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Diffstat (limited to 'src/libs/greycstoration/CImg.h')
| -rw-r--r-- | src/libs/greycstoration/CImg.h | 36837 |
1 files changed, 36837 insertions, 0 deletions
diff --git a/src/libs/greycstoration/CImg.h b/src/libs/greycstoration/CImg.h new file mode 100644 index 00000000..9f6662e1 --- /dev/null +++ b/src/libs/greycstoration/CImg.h @@ -0,0 +1,36837 @@ +/* + # + # File : CImg.h + # ( C++ header file ) + # + # Description : The C++ Template Image Processing Library. + # This file is the main part of the CImg Library project. + # ( http://cimg.sourceforge.net ) + # + # Project manager : David Tschumperle. + # ( http://www.greyc.ensicaen.fr/~dtschump/ ) + # + # The complete contributor list can be seen in the 'README.txt' file. + # + # Licenses : This file is "dual-licensed", you have to choose one + # of the two licenses below to apply on this file. + # + # CeCILL-C + # The CeCILL-C license is close to the GNU LGPL. + # ( http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.html ) + # + # or CeCILL v2.0 + # The CeCILL license is compatible with the GNU GPL. + # ( http://www.cecill.info/licences/Licence_CeCILL_V2-en.html ) + # + # This software is governed either by the CeCILL or the CeCILL-C license + # under French law and abiding by the rules of distribution of free software. + # You can use, modify and or redistribute the software under the terms of + # the CeCILL or CeCILL-C licenses as circulated by CEA, CNRS and INRIA + # at the following URL : "http://www.cecill.info". + # + # As a counterpart to the access to the source code and rights to copy, + # modify and redistribute granted by the license, users are provided only + # with a limited warranty and the software's author, the holder of the + # economic rights, and the successive licensors have only limited + # liability. + # + # In this respect, the user's attention is drawn to the risks associated + # with loading, using, modifying and/or developing or reproducing the + # software by the user in light of its specific status of free software, + # that may mean that it is complicated to manipulate, and that also + # therefore means that it is reserved for developers and experienced + # professionals having in-depth computer knowledge. Users are therefore + # encouraged to load and test the software's suitability as regards their + # requirements in conditions enabling the security of their systems and/or + # data to be ensured and, more generally, to use and operate it in the + # same conditions as regards security. + # + # The fact that you are presently reading this means that you have had + # knowledge of the CeCILL and CeCILL-C licenses and that you accept its terms. + # +*/ + +// Define version number of the current file. +// +#ifndef cimg_version +#define cimg_version 130 + +/*----------------------------------------------------------- + # + # Test/auto-set CImg configuration variables + # and include required headers. + # + # If you find that default configuration variables are + # not adapted, you can override their values before including + # the header file "CImg.h" (using the #define directive). + # + ------------------------------------------------------------*/ + +// Include required standard C++ headers. +// +#include <cstdio> +#include <cstdlib> +#include <cstdarg> +#include <cstring> +#include <cmath> +#include <ctime> + +// Operating system configuration. +// +// Define 'cimg_OS' to : 0 for an unknown OS (will try to minize library dependancies). +// 1 for a Unix-like OS (Linux, Solaris, BSD, MacOSX, Irix, ...). +// 2 for Microsoft Windows. +// +#ifndef cimg_OS +#if defined(unix) || defined(__unix) || defined(__unix__) \ + || defined(linux) || defined(__linux) || defined(__linux__) \ + || defined(sun) || defined(__sun) \ + || defined(BSD) || defined(__OpenBSD__) || defined(__NetBSD__) \ + || defined(__FreeBSD__) || defined __DragonFly__ \ + || defined(sgi) || defined(__sgi) \ + || defined(__MACOSX__) || defined(__APPLE__) \ + || defined(__CYGWIN__) +#define cimg_OS 1 +#elif defined(_MSC_VER) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) \ + || defined(WIN64) || defined(_WIN64) || defined(__WIN64__) +#define cimg_OS 2 +#else +#define cimg_OS 0 +#endif +#elif !(cimg_OS==0 || cimg_OS==1 || cimg_OS==2) +#error CImg Library : Configuration variable 'cimg_OS' is badly defined. +#error (valid values are '0=unknown OS', '1=Unix-like OS', '2=Microsoft Windows'). +#endif + +// Compiler configuration. +// +// Try to detect Microsoft VC++ compilers. +// (lot of workarounds are needed afterwards to +// make CImg working, particularly with VC++ 6.0). +// +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable:4311) +#pragma warning(disable:4312) +#pragma warning(disable:4800) +#pragma warning(disable:4804) +#pragma warning(disable:4996) +#define _CRT_SECURE_NO_DEPRECATE 1 +#define _CRT_NONSTDC_NO_DEPRECATE 1 +#if _MSC_VER<1300 +#define cimg_use_visualcpp6 +#define cimg_std +#define _WIN32_WINNT 0x0500 +#endif +#endif + +// Include OS-specific headers. +// +#if cimg_OS==1 +#include <sys/time.h> +#include <unistd.h> +#elif cimg_OS==2 +#include <windows.h> +#ifndef _WIN32_IE +#define _WIN32_IE 0x0400 +#endif +#include <shlobj.h> +#endif + +// Define defaut pipe for output messages +// +// Define 'cimg_stdout' to : stdout to print CImg messages on the standard output. +// stderr to print CImg messages on the standart error output (default behavior). +// +#ifndef cimg_std +#define cimg_std std +#endif +#ifndef cimg_stdout +#define cimg_stdout stderr +#endif + +// Output messages configuration. +// +// Define 'cimg_debug' to : 0 to hide debug messages (quiet mode, but exceptions are still thrown). +// 1 to display debug messages on the console. +// 2 to display debug messages with dialog windows (default behavior). +// 3 to do as 1 + add extra warnings (may slow down the code !). +// 4 to do as 2 + add extra warnings (may slow down the code !). +// +// Define 'cimg_strict_warnings' to replace warning messages by exception throwns. +// +// Define 'cimg_use_vt100' to allow output of color messages (require VT100-compatible terminal). +// +#ifndef cimg_debug +#define cimg_debug 2 +#elif !(cimg_debug==0 || cimg_debug==1 || cimg_debug==2 || cimg_debug==3 || cimg_debug==4) +#error CImg Library : Configuration variable 'cimg_debug' is badly defined. +#error (valid values are '0=quiet', '1=console', '2=dialog', '3=console+warnings', '4=dialog+warnings'). +#endif + +// Display framework configuration. +// +// Define 'cimg_display' to : 0 to disable display capabilities. +// 1 to use X-Window framework (X11). +// 2 to use Microsoft GDI32 framework. +// 3 to use Apple Carbon framework. +// +#ifndef cimg_display +#if cimg_OS==0 +#define cimg_display 0 +#elif cimg_OS==1 +#if defined(__MACOSX__) || defined(__APPLE__) +#define cimg_display 1 +#else +#define cimg_display 1 +#endif +#elif cimg_OS==2 +#define cimg_display 2 +#endif +#elif !(cimg_display==0 || cimg_display==1 || cimg_display==2 || cimg_display==3) +#error CImg Library : Configuration variable 'cimg_display' is badly defined. +#error (valid values are '0=disable', '1=X-Window (X11)', '2=Microsoft GDI32', '3=Apple Carbon'). +#endif + +// Include display-specific headers. +// +#if cimg_display==1 +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/keysym.h> +#include <pthread.h> +#ifdef cimg_use_xshm +#include <sys/ipc.h> +#include <sys/shm.h> +#include <X11/extensions/XShm.h> +#endif +#ifdef cimg_use_xrandr +#include <X11/extensions/Xrandr.h> +#endif +#elif cimg_display==3 +#include <Carbon/Carbon.h> +#include <pthread.h> +#endif + +// OpenMP configuration. +// (http://www.openmp.org) +// +// Define 'cimg_use_openmp' to enable OpenMP support. +// +// OpenMP directives can be used in few CImg functions to get +// advantages of multi-core CPUs. Using OpenMP is not mandatory. +// +#ifdef cimg_use_openmp +#include "omp.h" +#endif + +// LibPNG configuration. +// (http://www.libpng.org) +// +// Define 'cimg_use_png' to enable LibPNG support. +// +// LibPNG can be used in functions 'CImg<T>::{load,save}_png()' +// to get a builtin support of PNG files. Using LibPNG is not mandatory. +// +#ifdef cimg_use_png +extern "C" { +#include "png.h" +} +#endif + +// LibJPEG configuration. +// (http://en.wikipedia.org/wiki/Libjpeg) +// +// Define 'cimg_use_jpeg' to enable LibJPEG support. +// +// LibJPEG can be used in functions 'CImg<T>::{load,save}_jpeg()' +// to get a builtin support of JPEG files. Using LibJPEG is not mandatory. +// +#ifdef cimg_use_jpeg +extern "C" { +#include "jpeglib.h" +} +#endif + +// LibTIFF configuration. +// (http://www.libtiff.org) +// +// Define 'cimg_use_tiff' to enable LibTIFF support. +// +// LibTIFF can be used in functions 'CImg[List]<T>::{load,save}_tiff()' +// to get a builtin support of TIFF files. Using LibTIFF is not mandatory. +// +#ifdef cimg_use_tiff +extern "C" { +#include "tiffio.h" +} +#endif + +// FFMPEG Avcodec and Avformat libraries configuration. +// (http://www.ffmpeg.org) +// +// Define 'cimg_use_ffmpeg' to enable FFMPEG lib support. +// +// Avcodec and Avformat libraries can be used in functions +// 'CImg[List]<T>::load_ffmpeg()' to get a builtin +// support of various image sequences files. +// Using FFMPEG libraries is not mandatory. +// +#ifdef cimg_use_ffmpeg +extern "C" { +#include "avformat.h" +#include "avcodec.h" +#include "swscale.h" +} +#endif + +// Zlib configuration +// (http://www.zlib.net) +// +// Define 'cimg_use_zlib' to enable Zlib support. +// +// Zlib can be used in functions 'CImg[List]<T>::{load,save}_cimg()' +// to allow compressed data in '.cimg' files. Using Zlib is not mandatory. +// +#ifdef cimg_use_zlib +extern "C" { +#include "zlib.h" +} +#endif + +// Magick++ configuration. +// (http://www.imagemagick.org/Magick++) +// +// Define 'cimg_use_magick' to enable Magick++ support. +// +// Magick++ library can be used in functions 'CImg<T>::{load,save}()' +// to get a builtin support of various image formats (PNG,JPEG,TIFF,...). +// Using Magick++ is not mandatory. +// +#ifdef cimg_use_magick +#include "Magick++.h" +#endif + +// FFTW3 configuration. +// (http://www.fftw.org) +// +// Define 'cimg_use_fftw3' to enable libFFTW3 support. +// +// FFTW3 library can be used in functions 'CImg[List]<T>::FFT()' to +// efficiently compile the Fast Fourier Transform of image data. +// +#ifdef cimg_use_fftw3 +extern "C" { +#include "fftw3.h" +} +#endif + +// Board configuration. +// (http://libboard.sourceforge.net/) +// +// Define 'cimg_use_board' to enable Board support. +// +// Board library can be used in functions 'CImg<T>::draw_object3d()' +// to draw objects 3D in vector-graphics canvas that can be saved +// as .PS or .SVG files afterwards. +// +#ifdef cimg_use_board +#include "Board.h" +#endif + +// Lapack configuration. +// (http://www.netlib.org/lapack) +// +// Define 'cimg_use_lapack' to enable LAPACK support. +// +// Lapack can be used in various CImg functions dealing with +// matrix computation and algorithms (eigenvalues, inverse, ...). +// Using Lapack is not mandatory. +// +#ifdef cimg_use_lapack +extern "C" { + extern void sgetrf_(int*, int*, float*, int*, int*, int*); + extern void sgetri_(int*, float*, int*, int*, float*, int*, int*); + extern void sgetrs_(char*, int*, int*, float*, int*, int*, float*, int*, int*); + extern void sgesvd_(char*, char*, int*, int*, float*, int*, float*, float*, int*, float*, int*, float*, int*, int*); + extern void ssyev_(char*, char*, int*, float*, int*, float*, float*, int*, int*); + extern void dgetrf_(int*, int*, double*, int*, int*, int*); + extern void dgetri_(int*, double*, int*, int*, double*, int*, int*); + extern void dgetrs_(char*, int*, int*, double*, int*, int*, double*, int*, int*); + extern void dgesvd_(char*, char*, int*, int*, double*, int*, double*, double*, int*, double*, int*, double*, int*, int*); + extern void dsyev_(char*, char*, int*, double*, int*, double*, double*, int*, int*); +} +#endif + +// Check if min/max macros are defined. +// +// CImg does not compile if macros 'min' or 'max' are defined, +// because min() and max() functions are also defined in the cimg:: namespace. +// so it '#undef' these macros if necessary, and restore them to reasonable +// values at the end of the file. +// +#ifdef min +#undef min +#define _cimg_redefine_min +#endif +#ifdef max +#undef max +#define _cimg_redefine_max +#endif + +// Set the current working directory for native MacOSX bundled applications. +// +// By default, MacOS bundled applications set the cwd at the root directory '/', +// the code below allows to set it to the current exec directory instead when +// a CImg-based program is executed. +// +#if cimg_OS==1 && cimg_display==3 +static struct _cimg_macosx_setcwd { + _cimg_macosx_setcwd() { + FSRef location; + ProcessSerialNumber psn; + char filePath[512]; + if (GetCurrentProcess(&psn)!=noErr) return; + if (GetProcessBundleLocation(&psn,&location)!=noErr) return; + FSRefMakePath(&location,(UInt8*)filePath,sizeof(filePath)-1); + int p = cimg_std::strlen(filePath); + while (filePath[p] != '/') --p; + filePath[p] = 0; + chdir(filePath); + } +} cimg_macosx_setcwd; +#endif + +/*------------------------------------------------------------------------------ + # + # Define user-friendly macros. + # + # User macros are prefixed by 'cimg_' and can be used in your own code. + # They are particularly useful for option parsing, and image loops creation. + # + ------------------------------------------------------------------------------*/ + +// Define the program usage, and retrieve command line arguments. +// +#define cimg_usage(usage) cimg_library::cimg::option((char*)0,argc,argv,(char*)0,usage) +#define cimg_help(str) cimg_library::cimg::option((char*)0,argc,argv,str,(char*)0) +#define cimg_option(name,defaut,usage) cimg_library::cimg::option(name,argc,argv,defaut,usage) +#define cimg_argument(pos) cimg_library::cimg::argument(pos,argc,argv) +#define cimg_argument1(pos,s0) cimg_library::cimg::argument(pos,argc,argv,1,s0) +#define cimg_argument2(pos,s0,s1) cimg_library::cimg::argument(pos,argc,argv,2,s0,s1) +#define cimg_argument3(pos,s0,s1,s2) cimg_library::cimg::argument(pos,argc,argv,3,s0,s1,s2) +#define cimg_argument4(pos,s0,s1,s2,s3) cimg_library::cimg::argument(pos,argc,argv,4,s0,s1,s2,s3) +#define cimg_argument5(pos,s0,s1,s2,s3,s4) cimg_library::cimg::argument(pos,argc,argv,5,s0,s1,s2,s3,s4) +#define cimg_argument6(pos,s0,s1,s2,s3,s4,s5) cimg_library::cimg::argument(pos,argc,argv,6,s0,s1,s2,s3,s4,s5) +#define cimg_argument7(pos,s0,s1,s2,s3,s4,s5,s6) cimg_library::cimg::argument(pos,argc,argv,7,s0,s1,s2,s3,s4,s5,s6) +#define cimg_argument8(pos,s0,s1,s2,s3,s4,s5,s6,s7) cimg_library::cimg::argument(pos,argc,argv,8,s0,s1,s2,s3,s4,s5,s6,s7) +#define cimg_argument9(pos,s0,s1,s2,s3,s4,s5,s6,s7,s8) cimg_library::cimg::argument(pos,argc,argv,9,s0,s1,s2,s3,s4,s5,s6,s7,s8) + +// Define and manipulate local neighborhoods. +// +#define CImg_2x2(I,T) T I[4]; \ + T& I##cc = I[0]; T& I##nc = I[1]; \ + T& I##cn = I[2]; T& I##nn = I[3]; \ + I##cc = I##nc = \ + I##cn = I##nn = 0 + +#define CImg_3x3(I,T) T I[9]; \ + T& I##pp = I[0]; T& I##cp = I[1]; T& I##np = I[2]; \ + T& I##pc = I[3]; T& I##cc = I[4]; T& I##nc = I[5]; \ + T& I##pn = I[6]; T& I##cn = I[7]; T& I##nn = I[8]; \ + I##pp = I##cp = I##np = \ + I##pc = I##cc = I##nc = \ + I##pn = I##cn = I##nn = 0 + +#define CImg_4x4(I,T) T I[16]; \ + T& I##pp = I[0]; T& I##cp = I[1]; T& I##np = I[2]; T& I##ap = I[3]; \ + T& I##pc = I[4]; T& I##cc = I[5]; T& I##nc = I[6]; T& I##ac = I[7]; \ + T& I##pn = I[8]; T& I##cn = I[9]; T& I##nn = I[10]; T& I##an = I[11]; \ + T& I##pa = I[12]; T& I##ca = I[13]; T& I##na = I[14]; T& I##aa = I[15]; \ + I##pp = I##cp = I##np = I##ap = \ + I##pc = I##cc = I##nc = I##ac = \ + I##pn = I##cn = I##nn = I##an = \ + I##pa = I##ca = I##na = I##aa = 0 + +#define CImg_5x5(I,T) T I[25]; \ + T& I##bb = I[0]; T& I##pb = I[1]; T& I##cb = I[2]; T& I##nb = I[3]; T& I##ab = I[4]; \ + T& I##bp = I[5]; T& I##pp = I[6]; T& I##cp = I[7]; T& I##np = I[8]; T& I##ap = I[9]; \ + T& I##bc = I[10]; T& I##pc = I[11]; T& I##cc = I[12]; T& I##nc = I[13]; T& I##ac = I[14]; \ + T& I##bn = I[15]; T& I##pn = I[16]; T& I##cn = I[17]; T& I##nn = I[18]; T& I##an = I[19]; \ + T& I##ba = I[20]; T& I##pa = I[21]; T& I##ca = I[22]; T& I##na = I[23]; T& I##aa = I[24]; \ + I##bb = I##pb = I##cb = I##nb = I##ab = \ + I##bp = I##pp = I##cp = I##np = I##ap = \ + I##bc = I##pc = I##cc = I##nc = I##ac = \ + I##bn = I##pn = I##cn = I##nn = I##an = \ + I##ba = I##pa = I##ca = I##na = I##aa = 0 + +#define CImg_2x2x2(I,T) T I[8]; \ + T& I##ccc = I[0]; T& I##ncc = I[1]; \ + T& I##cnc = I[2]; T& I##nnc = I[3]; \ + T& I##ccn = I[4]; T& I##ncn = I[5]; \ + T& I##cnn = I[6]; T& I##nnn = I[7]; \ + I##ccc = I##ncc = \ + I##cnc = I##nnc = \ + I##ccn = I##ncn = \ + I##cnn = I##nnn = 0 + +#define CImg_3x3x3(I,T) T I[27]; \ + T& I##ppp = I[0]; T& I##cpp = I[1]; T& I##npp = I[2]; \ + T& I##pcp = I[3]; T& I##ccp = I[4]; T& I##ncp = I[5]; \ + T& I##pnp = I[6]; T& I##cnp = I[7]; T& I##nnp = I[8]; \ + T& I##ppc = I[9]; T& I##cpc = I[10]; T& I##npc = I[11]; \ + T& I##pcc = I[12]; T& I##ccc = I[13]; T& I##ncc = I[14]; \ + T& I##pnc = I[15]; T& I##cnc = I[16]; T& I##nnc = I[17]; \ + T& I##ppn = I[18]; T& I##cpn = I[19]; T& I##npn = I[20]; \ + T& I##pcn = I[21]; T& I##ccn = I[22]; T& I##ncn = I[23]; \ + T& I##pnn = I[24]; T& I##cnn = I[25]; T& I##nnn = I[26]; \ + I##ppp = I##cpp = I##npp = \ + I##pcp = I##ccp = I##ncp = \ + I##pnp = I##cnp = I##nnp = \ + I##ppc = I##cpc = I##npc = \ + I##pcc = I##ccc = I##ncc = \ + I##pnc = I##cnc = I##nnc = \ + I##ppn = I##cpn = I##npn = \ + I##pcn = I##ccn = I##ncn = \ + I##pnn = I##cnn = I##nnn = 0 + +#define cimg_get2x2(img,x,y,z,v,I) \ + I[0] = (img)(x,y,z,v), I[1] = (img)(_n1##x,y,z,v), I[2] = (img)(x,_n1##y,z,v), I[3] = (img)(_n1##x,_n1##y,z,v) + +#define cimg_get3x3(img,x,y,z,v,I) \ + I[0] = (img)(_p1##x,_p1##y,z,v), I[1] = (img)(x,_p1##y,z,v), I[2] = (img)(_n1##x,_p1##y,z,v), I[3] = (img)(_p1##x,y,z,v), \ + I[4] = (img)(x,y,z,v), I[5] = (img)(_n1##x,y,z,v), I[6] = (img)(_p1##x,_n1##y,z,v), I[7] = (img)(x,_n1##y,z,v), \ + I[8] = (img)(_n1##x,_n1##y,z,v) + +#define cimg_get4x4(img,x,y,z,v,I) \ + I[0] = (img)(_p1##x,_p1##y,z,v), I[1] = (img)(x,_p1##y,z,v), I[2] = (img)(_n1##x,_p1##y,z,v), I[3] = (img)(_n2##x,_p1##y,z,v), \ + I[4] = (img)(_p1##x,y,z,v), I[5] = (img)(x,y,z,v), I[6] = (img)(_n1##x,y,z,v), I[7] = (img)(_n2##x,y,z,v), \ + I[8] = (img)(_p1##x,_n1##y,z,v), I[9] = (img)(x,_n1##y,z,v), I[10] = (img)(_n1##x,_n1##y,z,v), I[11] = (img)(_n2##x,_n1##y,z,v), \ + I[12] = (img)(_p1##x,_n2##y,z,v), I[13] = (img)(x,_n2##y,z,v), I[14] = (img)(_n1##x,_n2##y,z,v), I[15] = (img)(_n2##x,_n2##y,z,v) + +#define cimg_get5x5(img,x,y,z,v,I) \ + I[0] = (img)(_p2##x,_p2##y,z,v), I[1] = (img)(_p1##x,_p2##y,z,v), I[2] = (img)(x,_p2##y,z,v), I[3] = (img)(_n1##x,_p2##y,z,v), \ + I[4] = (img)(_n2##x,_p2##y,z,v), I[5] = (img)(_p2##x,_p1##y,z,v), I[6] = (img)(_p1##x,_p1##y,z,v), I[7] = (img)(x,_p1##y,z,v), \ + I[8] = (img)(_n1##x,_p1##y,z,v), I[9] = (img)(_n2##x,_p1##y,z,v), I[10] = (img)(_p2##x,y,z,v), I[11] = (img)(_p1##x,y,z,v), \ + I[12] = (img)(x,y,z,v), I[13] = (img)(_n1##x,y,z,v), I[14] = (img)(_n2##x,y,z,v), I[15] = (img)(_p2##x,_n1##y,z,v), \ + I[16] = (img)(_p1##x,_n1##y,z,v), I[17] = (img)(x,_n1##y,z,v), I[18] = (img)(_n1##x,_n1##y,z,v), I[19] = (img)(_n2##x,_n1##y,z,v), \ + I[20] = (img)(_p2##x,_n2##y,z,v), I[21] = (img)(_p1##x,_n2##y,z,v), I[22] = (img)(x,_n2##y,z,v), I[23] = (img)(_n1##x,_n2##y,z,v), \ + I[24] = (img)(_n2##x,_n2##y,z,v) + +#define cimg_get6x6(img,x,y,z,v,I) \ + I[0] = (img)(_p2##x,_p2##y,z,v), I[1] = (img)(_p1##x,_p2##y,z,v), I[2] = (img)(x,_p2##y,z,v), I[3] = (img)(_n1##x,_p2##y,z,v), \ + I[4] = (img)(_n2##x,_p2##y,z,v), I[5] = (img)(_n3##x,_p2##y,z,v), I[6] = (img)(_p2##x,_p1##y,z,v), I[7] = (img)(_p1##x,_p1##y,z,v), \ + I[8] = (img)(x,_p1##y,z,v), I[9] = (img)(_n1##x,_p1##y,z,v), I[10] = (img)(_n2##x,_p1##y,z,v), I[11] = (img)(_n3##x,_p1##y,z,v), \ + I[12] = (img)(_p2##x,y,z,v), I[13] = (img)(_p1##x,y,z,v), I[14] = (img)(x,y,z,v), I[15] = (img)(_n1##x,y,z,v), \ + I[16] = (img)(_n2##x,y,z,v), I[17] = (img)(_n3##x,y,z,v), I[18] = (img)(_p2##x,_n1##y,z,v), I[19] = (img)(_p1##x,_n1##y,z,v), \ + I[20] = (img)(x,_n1##y,z,v), I[21] = (img)(_n1##x,_n1##y,z,v), I[22] = (img)(_n2##x,_n1##y,z,v), I[23] = (img)(_n3##x,_n1##y,z,v), \ + I[24] = (img)(_p2##x,_n2##y,z,v), I[25] = (img)(_p1##x,_n2##y,z,v), I[26] = (img)(x,_n2##y,z,v), I[27] = (img)(_n1##x,_n2##y,z,v), \ + I[28] = (img)(_n2##x,_n2##y,z,v), I[29] = (img)(_n3##x,_n2##y,z,v), I[30] = (img)(_p2##x,_n3##y,z,v), I[31] = (img)(_p1##x,_n3##y,z,v), \ + I[32] = (img)(x,_n3##y,z,v), I[33] = (img)(_n1##x,_n3##y,z,v), I[34] = (img)(_n2##x,_n3##y,z,v), I[35] = (img)(_n3##x,_n3##y,z,v) + +#define cimg_get7x7(img,x,y,z,v,I) \ + I[0] = (img)(_p3##x,_p3##y,z,v), I[1] = (img)(_p2##x,_p3##y,z,v), I[2] = (img)(_p1##x,_p3##y,z,v), I[3] = (img)(x,_p3##y,z,v), \ + I[4] = (img)(_n1##x,_p3##y,z,v), I[5] = (img)(_n2##x,_p3##y,z,v), I[6] = (img)(_n3##x,_p3##y,z,v), I[7] = (img)(_p3##x,_p2##y,z,v), \ + I[8] = (img)(_p2##x,_p2##y,z,v), I[9] = (img)(_p1##x,_p2##y,z,v), I[10] = (img)(x,_p2##y,z,v), I[11] = (img)(_n1##x,_p2##y,z,v), \ + I[12] = (img)(_n2##x,_p2##y,z,v), I[13] = (img)(_n3##x,_p2##y,z,v), I[14] = (img)(_p3##x,_p1##y,z,v), I[15] = (img)(_p2##x,_p1##y,z,v), \ + I[16] = (img)(_p1##x,_p1##y,z,v), I[17] = (img)(x,_p1##y,z,v), I[18] = (img)(_n1##x,_p1##y,z,v), I[19] = (img)(_n2##x,_p1##y,z,v), \ + I[20] = (img)(_n3##x,_p1##y,z,v), I[21] = (img)(_p3##x,y,z,v), I[22] = (img)(_p2##x,y,z,v), I[23] = (img)(_p1##x,y,z,v), \ + I[24] = (img)(x,y,z,v), I[25] = (img)(_n1##x,y,z,v), I[26] = (img)(_n2##x,y,z,v), I[27] = (img)(_n3##x,y,z,v), \ + I[28] = (img)(_p3##x,_n1##y,z,v), I[29] = (img)(_p2##x,_n1##y,z,v), I[30] = (img)(_p1##x,_n1##y,z,v), I[31] = (img)(x,_n1##y,z,v), \ + I[32] = (img)(_n1##x,_n1##y,z,v), I[33] = (img)(_n2##x,_n1##y,z,v), I[34] = (img)(_n3##x,_n1##y,z,v), I[35] = (img)(_p3##x,_n2##y,z,v), \ + I[36] = (img)(_p2##x,_n2##y,z,v), I[37] = (img)(_p1##x,_n2##y,z,v), I[38] = (img)(x,_n2##y,z,v), I[39] = (img)(_n1##x,_n2##y,z,v), \ + I[40] = (img)(_n2##x,_n2##y,z,v), I[41] = (img)(_n3##x,_n2##y,z,v), I[42] = (img)(_p3##x,_n3##y,z,v), I[43] = (img)(_p2##x,_n3##y,z,v), \ + I[44] = (img)(_p1##x,_n3##y,z,v), I[45] = (img)(x,_n3##y,z,v), I[46] = (img)(_n1##x,_n3##y,z,v), I[47] = (img)(_n2##x,_n3##y,z,v), \ + I[48] = (img)(_n3##x,_n3##y,z,v) + +#define cimg_get8x8(img,x,y,z,v,I) \ + I[0] = (img)(_p3##x,_p3##y,z,v), I[1] = (img)(_p2##x,_p3##y,z,v), I[2] = (img)(_p1##x,_p3##y,z,v), I[3] = (img)(x,_p3##y,z,v), \ + I[4] = (img)(_n1##x,_p3##y,z,v), I[5] = (img)(_n2##x,_p3##y,z,v), I[6] = (img)(_n3##x,_p3##y,z,v), I[7] = (img)(_n4##x,_p3##y,z,v), \ + I[8] = (img)(_p3##x,_p2##y,z,v), I[9] = (img)(_p2##x,_p2##y,z,v), I[10] = (img)(_p1##x,_p2##y,z,v), I[11] = (img)(x,_p2##y,z,v), \ + I[12] = (img)(_n1##x,_p2##y,z,v), I[13] = (img)(_n2##x,_p2##y,z,v), I[14] = (img)(_n3##x,_p2##y,z,v), I[15] = (img)(_n4##x,_p2##y,z,v), \ + I[16] = (img)(_p3##x,_p1##y,z,v), I[17] = (img)(_p2##x,_p1##y,z,v), I[18] = (img)(_p1##x,_p1##y,z,v), I[19] = (img)(x,_p1##y,z,v), \ + I[20] = (img)(_n1##x,_p1##y,z,v), I[21] = (img)(_n2##x,_p1##y,z,v), I[22] = (img)(_n3##x,_p1##y,z,v), I[23] = (img)(_n4##x,_p1##y,z,v), \ + I[24] = (img)(_p3##x,y,z,v), I[25] = (img)(_p2##x,y,z,v), I[26] = (img)(_p1##x,y,z,v), I[27] = (img)(x,y,z,v), \ + I[28] = (img)(_n1##x,y,z,v), I[29] = (img)(_n2##x,y,z,v), I[30] = (img)(_n3##x,y,z,v), I[31] = (img)(_n4##x,y,z,v), \ + I[32] = (img)(_p3##x,_n1##y,z,v), I[33] = (img)(_p2##x,_n1##y,z,v), I[34] = (img)(_p1##x,_n1##y,z,v), I[35] = (img)(x,_n1##y,z,v), \ + I[36] = (img)(_n1##x,_n1##y,z,v), I[37] = (img)(_n2##x,_n1##y,z,v), I[38] = (img)(_n3##x,_n1##y,z,v), I[39] = (img)(_n4##x,_n1##y,z,v), \ + I[40] = (img)(_p3##x,_n2##y,z,v), I[41] = (img)(_p2##x,_n2##y,z,v), I[42] = (img)(_p1##x,_n2##y,z,v), I[43] = (img)(x,_n2##y,z,v), \ + I[44] = (img)(_n1##x,_n2##y,z,v), I[45] = (img)(_n2##x,_n2##y,z,v), I[46] = (img)(_n3##x,_n2##y,z,v), I[47] = (img)(_n4##x,_n2##y,z,v), \ + I[48] = (img)(_p3##x,_n3##y,z,v), I[49] = (img)(_p2##x,_n3##y,z,v), I[50] = (img)(_p1##x,_n3##y,z,v), I[51] = (img)(x,_n3##y,z,v), \ + I[52] = (img)(_n1##x,_n3##y,z,v), I[53] = (img)(_n2##x,_n3##y,z,v), I[54] = (img)(_n3##x,_n3##y,z,v), I[55] = (img)(_n4##x,_n3##y,z,v), \ + I[56] = (img)(_p3##x,_n4##y,z,v), I[57] = (img)(_p2##x,_n4##y,z,v), I[58] = (img)(_p1##x,_n4##y,z,v), I[59] = (img)(x,_n4##y,z,v), \ + I[60] = (img)(_n1##x,_n4##y,z,v), I[61] = (img)(_n2##x,_n4##y,z,v), I[62] = (img)(_n3##x,_n4##y,z,v), I[63] = (img)(_n4##x,_n4##y,z,v); + +#define cimg_get9x9(img,x,y,z,v,I) \ + I[0] = (img)(_p4##x,_p4##y,z,v), I[1] = (img)(_p3##x,_p4##y,z,v), I[2] = (img)(_p2##x,_p4##y,z,v), I[3] = (img)(_p1##x,_p4##y,z,v), \ + I[4] = (img)(x,_p4##y,z,v), I[5] = (img)(_n1##x,_p4##y,z,v), I[6] = (img)(_n2##x,_p4##y,z,v), I[7] = (img)(_n3##x,_p4##y,z,v), \ + I[8] = (img)(_n4##x,_p4##y,z,v), I[9] = (img)(_p4##x,_p3##y,z,v), I[10] = (img)(_p3##x,_p3##y,z,v), I[11] = (img)(_p2##x,_p3##y,z,v), \ + I[12] = (img)(_p1##x,_p3##y,z,v), I[13] = (img)(x,_p3##y,z,v), I[14] = (img)(_n1##x,_p3##y,z,v), I[15] = (img)(_n2##x,_p3##y,z,v), \ + I[16] = (img)(_n3##x,_p3##y,z,v), I[17] = (img)(_n4##x,_p3##y,z,v), I[18] = (img)(_p4##x,_p2##y,z,v), I[19] = (img)(_p3##x,_p2##y,z,v), \ + I[20] = (img)(_p2##x,_p2##y,z,v), I[21] = (img)(_p1##x,_p2##y,z,v), I[22] = (img)(x,_p2##y,z,v), I[23] = (img)(_n1##x,_p2##y,z,v), \ + I[24] = (img)(_n2##x,_p2##y,z,v), I[25] = (img)(_n3##x,_p2##y,z,v), I[26] = (img)(_n4##x,_p2##y,z,v), I[27] = (img)(_p4##x,_p1##y,z,v), \ + I[28] = (img)(_p3##x,_p1##y,z,v), I[29] = (img)(_p2##x,_p1##y,z,v), I[30] = (img)(_p1##x,_p1##y,z,v), I[31] = (img)(x,_p1##y,z,v), \ + I[32] = (img)(_n1##x,_p1##y,z,v), I[33] = (img)(_n2##x,_p1##y,z,v), I[34] = (img)(_n3##x,_p1##y,z,v), I[35] = (img)(_n4##x,_p1##y,z,v), \ + I[36] = (img)(_p4##x,y,z,v), I[37] = (img)(_p3##x,y,z,v), I[38] = (img)(_p2##x,y,z,v), I[39] = (img)(_p1##x,y,z,v), \ + I[40] = (img)(x,y,z,v), I[41] = (img)(_n1##x,y,z,v), I[42] = (img)(_n2##x,y,z,v), I[43] = (img)(_n3##x,y,z,v), \ + I[44] = (img)(_n4##x,y,z,v), I[45] = (img)(_p4##x,_n1##y,z,v), I[46] = (img)(_p3##x,_n1##y,z,v), I[47] = (img)(_p2##x,_n1##y,z,v), \ + I[48] = (img)(_p1##x,_n1##y,z,v), I[49] = (img)(x,_n1##y,z,v), I[50] = (img)(_n1##x,_n1##y,z,v), I[51] = (img)(_n2##x,_n1##y,z,v), \ + I[52] = (img)(_n3##x,_n1##y,z,v), I[53] = (img)(_n4##x,_n1##y,z,v), I[54] = (img)(_p4##x,_n2##y,z,v), I[55] = (img)(_p3##x,_n2##y,z,v), \ + I[56] = (img)(_p2##x,_n2##y,z,v), I[57] = (img)(_p1##x,_n2##y,z,v), I[58] = (img)(x,_n2##y,z,v), I[59] = (img)(_n1##x,_n2##y,z,v), \ + I[60] = (img)(_n2##x,_n2##y,z,v), I[61] = (img)(_n3##x,_n2##y,z,v), I[62] = (img)(_n4##x,_n2##y,z,v), I[63] = (img)(_p4##x,_n3##y,z,v), \ + I[64] = (img)(_p3##x,_n3##y,z,v), I[65] = (img)(_p2##x,_n3##y,z,v), I[66] = (img)(_p1##x,_n3##y,z,v), I[67] = (img)(x,_n3##y,z,v), \ + I[68] = (img)(_n1##x,_n3##y,z,v), I[69] = (img)(_n2##x,_n3##y,z,v), I[70] = (img)(_n3##x,_n3##y,z,v), I[71] = (img)(_n4##x,_n3##y,z,v), \ + I[72] = (img)(_p4##x,_n4##y,z,v), I[73] = (img)(_p3##x,_n4##y,z,v), I[74] = (img)(_p2##x,_n4##y,z,v), I[75] = (img)(_p1##x,_n4##y,z,v), \ + I[76] = (img)(x,_n4##y,z,v), I[77] = (img)(_n1##x,_n4##y,z,v), I[78] = (img)(_n2##x,_n4##y,z,v), I[79] = (img)(_n3##x,_n4##y,z,v), \ + I[80] = (img)(_n4##x,_n4##y,z,v) + +#define cimg_get2x2x2(img,x,y,z,v,I) \ + I[0] = (img)(x,y,z,v), I[1] = (img)(_n1##x,y,z,v), I[2] = (img)(x,_n1##y,z,v), I[3] = (img)(_n1##x,_n1##y,z,v), \ + I[4] = (img)(x,y,_n1##z,v), I[5] = (img)(_n1##x,y,_n1##z,v), I[6] = (img)(x,_n1##y,_n1##z,v), I[7] = (img)(_n1##x,_n1##y,_n1##z,v) + +#define cimg_get3x3x3(img,x,y,z,v,I) \ + I[0] = (img)(_p1##x,_p1##y,_p1##z,v), I[1] = (img)(x,_p1##y,_p1##z,v), I[2] = (img)(_n1##x,_p1##y,_p1##z,v), \ + I[3] = (img)(_p1##x,y,_p1##z,v), I[4] = (img)(x,y,_p1##z,v), I[5] = (img)(_n1##x,y,_p1##z,v), \ + I[6] = (img)(_p1##x,_n1##y,_p1##z,v), I[7] = (img)(x,_n1##y,_p1##z,v), I[8] = (img)(_n1##x,_n1##y,_p1##z,v), \ + I[9] = (img)(_p1##x,_p1##y,z,v), I[10] = (img)(x,_p1##y,z,v), I[11] = (img)(_n1##x,_p1##y,z,v), \ + I[12] = (img)(_p1##x,y,z,v), I[13] = (img)(x,y,z,v), I[14] = (img)(_n1##x,y,z,v), \ + I[15] = (img)(_p1##x,_n1##y,z,v), I[16] = (img)(x,_n1##y,z,v), I[17] = (img)(_n1##x,_n1##y,z,v), \ + I[18] = (img)(_p1##x,_p1##y,_n1##z,v), I[19] = (img)(x,_p1##y,_n1##z,v), I[20] = (img)(_n1##x,_p1##y,_n1##z,v), \ + I[21] = (img)(_p1##x,y,_n1##z,v), I[22] = (img)(x,y,_n1##z,v), I[23] = (img)(_n1##x,y,_n1##z,v), \ + I[24] = (img)(_p1##x,_n1##y,_n1##z,v), I[25] = (img)(x,_n1##y,_n1##z,v), I[26] = (img)(_n1##x,_n1##y,_n1##z,v) + +// Define various image loops. +// +// These macros generally avoid the use of iterators, but you are not forced to used them ! +// +#define cimg_for(img,ptr,T_ptr) for (T_ptr *ptr = (img).data + (img).size(); (ptr--)>(img).data; ) +#define cimg_foroff(img,off) for (unsigned int off = 0, _max##off = (unsigned int)(img).size(); off<_max##off; ++off) +#define cimglist_for(list,l) for (unsigned int l=0; l<(list).size; ++l) +#define cimglist_apply(list,fn) cimglist_for(list,__##fn) (list)[__##fn].fn + +#define cimg_for1(bound,i) for (int i = 0; i<(int)(bound); ++i) +#define cimg_forX(img,x) cimg_for1((img).width,x) +#define cimg_forY(img,y) cimg_for1((img).height,y) +#define cimg_forZ(img,z) cimg_for1((img).depth,z) +#define cimg_forV(img,v) cimg_for1((img).dim,v) +#define cimg_forXY(img,x,y) cimg_forY(img,y) cimg_forX(img,x) +#define cimg_forXZ(img,x,z) cimg_forZ(img,z) cimg_forX(img,x) +#define cimg_forYZ(img,y,z) cimg_forZ(img,z) cimg_forY(img,y) +#define cimg_forXV(img,x,v) cimg_forV(img,v) cimg_forX(img,x) +#define cimg_forYV(img,y,v) cimg_forV(img,v) cimg_forY(img,y) +#define cimg_forZV(img,z,v) cimg_forV(img,v) cimg_forZ(img,z) +#define cimg_forXYZ(img,x,y,z) cimg_forZ(img,z) cimg_forXY(img,x,y) +#define cimg_forXYV(img,x,y,v) cimg_forV(img,v) cimg_forXY(img,x,y) +#define cimg_forXZV(img,x,z,v) cimg_forV(img,v) cimg_forXZ(img,x,z) +#define cimg_forYZV(img,y,z,v) cimg_forV(img,v) cimg_forYZ(img,y,z) +#define cimg_forXYZV(img,x,y,z,v) cimg_forV(img,v) cimg_forXYZ(img,x,y,z) + +#define cimg_for_in1(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), _max##i = (int)(i1)<(int)(bound)?(int)(i1):(int)(bound)-1; i<=_max##i; ++i) +#define cimg_for_inX(img,x0,x1,x) cimg_for_in1((img).width,x0,x1,x) +#define cimg_for_inY(img,y0,y1,y) cimg_for_in1((img).height,y0,y1,y) +#define cimg_for_inZ(img,z0,z1,z) cimg_for_in1((img).depth,z0,z1,z) +#define cimg_for_inV(img,v0,v1,v) cimg_for_in1((img).dim,v0,v1,v) +#define cimg_for_inXY(img,x0,y0,x1,y1,x,y) cimg_for_inY(img,y0,y1,y) cimg_for_inX(img,x0,x1,x) +#define cimg_for_inXZ(img,x0,z0,x1,z1,x,z) cimg_for_inZ(img,z0,z1,z) cimg_for_inX(img,x0,x1,x) +#define cimg_for_inXV(img,x0,v0,x1,v1,x,v) cimg_for_inV(img,v0,v1,v) cimg_for_inX(img,x0,x1,x) +#define cimg_for_inYZ(img,y0,z0,y1,z1,y,z) cimg_for_inZ(img,x0,z1,z) cimg_for_inY(img,y0,y1,y) +#define cimg_for_inYV(img,y0,v0,y1,v1,y,v) cimg_for_inV(img,v0,v1,v) cimg_for_inY(img,y0,y1,y) +#define cimg_for_inZV(img,z0,v0,z1,v1,z,v) cimg_for_inV(img,v0,v1,v) cimg_for_inZ(img,z0,z1,z) +#define cimg_for_inXYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_inZ(img,z0,z1,z) cimg_for_inXY(img,x0,y0,x1,y1,x,y) +#define cimg_for_inXYV(img,x0,y0,v0,x1,y1,v1,x,y,v) cimg_for_inV(img,v0,v1,v) cimg_for_inXY(img,x0,y0,x1,y1,x,y) +#define cimg_for_inXZV(img,x0,z0,v0,x1,z1,v1,x,z,v) cimg_for_inV(img,v0,v1,v) cimg_for_inXZ(img,x0,z0,x1,z1,x,z) +#define cimg_for_inYZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_inV(img,v0,v1,v) cimg_for_inYZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_inXYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_inV(img,v0,v1,v) cimg_for_inXYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) +#define cimg_for_insideX(img,x,n) cimg_for_inX(img,n,(img).width-1-(n),x) +#define cimg_for_insideY(img,y,n) cimg_for_inY(img,n,(img).height-1-(n),y) +#define cimg_for_insideZ(img,z,n) cimg_for_inZ(img,n,(img).depth-1-(n),z) +#define cimg_for_insideV(img,v,n) cimg_for_inV(img,n,(img).dim-1-(n),v) +#define cimg_for_insideXY(img,x,y,n) cimg_for_inXY(img,n,n,(img).width-1-(n),(img).height-1-(n),x,y) +#define cimg_for_insideXYZ(img,x,y,z,n) cimg_for_inXYZ(img,n,n,n,(img).width-1-(n),(img).height-1-(n),(img).depth-1-(n),x,y,z) +#define cimg_for_insideXYZV(img,x,y,z,v,n) cimg_for_inXYZ(img,n,n,n,(img).width-1-(n),(img).height-1-(n),(img).depth-1-(n),x,y,z) + +#define cimg_for_out1(boundi,i0,i1,i) \ + for (int i = (int)(i0)>0?0:(int)(i1)+1; i<(int)(boundi); ++i, i = i==(int)(i0)?(int)(i1)+1:i) +#define cimg_for_out2(boundi,boundj,i0,j0,i1,j1,i,j) \ + for (int j = 0; j<(int)(boundj); ++j) \ + for (int _n1j = (int)(j<(int)(j0) || j>(int)(j1)), i = _n1j?0:(int)(i0)>0?0:(int)(i1)+1; i<(int)(boundi); \ + ++i, i = _n1j?i:(i==(int)(i0)?(int)(i1)+1:i)) +#define cimg_for_out3(boundi,boundj,boundk,i0,j0,k0,i1,j1,k1,i,j,k) \ + for (int k = 0; k<(int)(boundk); ++k) \ + for (int _n1k = (int)(k<(int)(k0) || k>(int)(k1)), j = 0; j<(int)(boundj); ++j) \ + for (int _n1j = (int)(j<(int)(j0) || j>(int)(j1)), i = _n1j || _n1k?0:(int)(i0)>0?0:(int)(i1)+1; i<(int)(boundi); \ + ++i, i = _n1j || _n1k?i:(i==(int)(i0)?(int)(i1)+1:i)) +#define cimg_for_out4(boundi,boundj,boundk,boundl,i0,j0,k0,l0,i1,j1,k1,l1,i,j,k,l) \ + for (int l = 0; l<(int)(boundl); ++l) \ + for (int _n1l = (int)(l<(int)(l0) || l>(int)(l1)), k = 0; k<(int)(boundk); ++k) \ + for (int _n1k = (int)(k<(int)(k0) || k>(int)(k1)), j = 0; j<(int)(boundj); ++j) \ + for (int _n1j = (int)(j<(int)(j0) || j>(int)(j1)), i = _n1j || _n1k || _n1l?0:(int)(i0)>0?0:(int)(i1)+1; i<(int)(boundi); \ + ++i, i = _n1j || _n1k || _n1l?i:(i==(int)(i0)?(int)(i1)+1:i)) +#define cimg_for_outX(img,x0,x1,x) cimg_for_out1((img).width,x0,x1,x) +#define cimg_for_outY(img,y0,y1,y) cimg_for_out1((img).height,y0,y1,y) +#define cimg_for_outZ(img,z0,z1,z) cimg_for_out1((img).depth,z0,z1,z) +#define cimg_for_outV(img,v0,v1,v) cimg_for_out1((img).dim,v0,v1,v) +#define cimg_for_outXY(img,x0,y0,x1,y1,x,y) cimg_for_out2((img).width,(img).height,x0,y0,x1,y1,x,y) +#define cimg_for_outXZ(img,x0,z0,x1,z1,x,z) cimg_for_out2((img).width,(img).depth,x0,z0,x1,z1,x,z) +#define cimg_for_outXV(img,x0,v0,x1,v1,x,v) cimg_for_out2((img).width,(img).dim,x0,v0,x1,v1,x,v) +#define cimg_for_outYZ(img,y0,z0,y1,z1,y,z) cimg_for_out2((img).height,(img).depth,y0,z0,y1,z1,y,z) +#define cimg_for_outYV(img,y0,v0,y1,v1,y,v) cimg_for_out2((img).height,(img).dim,y0,v0,y1,v1,y,v) +#define cimg_for_outZV(img,z0,v0,z1,v1,z,v) cimg_for_out2((img).depth,(img).dim,z0,v0,z1,v1,z,v) +#define cimg_for_outXYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_out3((img).width,(img).height,(img).depth,x0,y0,z0,x1,y1,z1,x,y,z) +#define cimg_for_outXYV(img,x0,y0,v0,x1,y1,v1,x,y,v) cimg_for_out3((img).width,(img).height,(img).dim,x0,y0,v0,x1,y1,v1,x,y,v) +#define cimg_for_outXZV(img,x0,z0,v0,x1,z1,v1,x,z,v) cimg_for_out3((img).width,(img).depth,(img).dim,x0,z0,v0,x1,z1,v1,x,z,v) +#define cimg_for_outYZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_out3((img).height,(img).depth,(img).dim,y0,z0,v0,y1,z1,v1,y,z,v) +#define cimg_for_outXYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) \ + cimg_for_out4((img).width,(img).height,(img).depth,(img).dim,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) +#define cimg_for_borderX(img,x,n) cimg_for_outX(img,n,(img).width-1-(n),x) +#define cimg_for_borderY(img,y,n) cimg_for_outY(img,n,(img).height-1-(n),y) +#define cimg_for_borderZ(img,z,n) cimg_for_outZ(img,n,(img).depth-1-(n),z) +#define cimg_for_borderV(img,v,n) cimg_for_outV(img,n,(img).dim-1-(n),v) +#define cimg_for_borderXY(img,x,y,n) cimg_for_outXY(img,n,n,(img).width-1-(n),(img).height-1-(n),x,y) +#define cimg_for_borderXYZ(img,x,y,z,n) cimg_for_outXYZ(img,n,n,n,(img).width-1-(n),(img).height-1-(n),(img).depth-1-(n),x,y,z) +#define cimg_for_borderXYZV(img,x,y,z,v,n) \ + cimg_for_outXYZV(img,n,n,n,n,(img).width-1-(n),(img).height-1-(n),(img).depth-1-(n),(img).dim-1-(n),x,y,z,v) + +#define cimg_for_spiralXY(img,x,y) \ + for (int x = 0, y = 0, _n1##x = 1, _n1##y = (int)((img).width*(img).height); _n1##y; \ + --_n1##y, _n1##x += (_n1##x>>2)-((!(_n1##x&3)?--y:((_n1##x&3)==1?(img).width-1-++x:((_n1##x&3)==2?(img).height-1-++y:--x))))?0:1) + +#define cimg_for_lineXY(x,y,x0,y0,x1,y1) \ + for (int x = (int)(x0), y = (int)(y0), _sx = 1, _sy = 1, _steep = 0, \ + _dx=(x1)>(x0)?(int)(x1)-(int)(x0):(_sx=-1,(int)(x0)-(int)(x1)), \ + _dy=(y1)>(y0)?(int)(y1)-(int)(y0):(_sy=-1,(int)(y0)-(int)(y1)), \ + _counter = _dx, \ + _err = _dx>_dy?(_dy>>1):((_steep=1),(_counter=_dy),(_dx>>1)); \ + _counter>=0; \ + --_counter, x+=_steep? \ + (y+=_sy,(_err-=_dx)<0?_err+=_dy,_sx:0): \ + (y+=(_err-=_dy)<0?_err+=_dx,_sy:0,_sx)) + +#define cimg_for2(bound,i) \ + for (int i = 0, _n1##i = 1>=(bound)?(int)(bound)-1:1; \ + _n1##i<(int)(bound) || i==--_n1##i; \ + ++i, ++_n1##i) +#define cimg_for2X(img,x) cimg_for2((img).width,x) +#define cimg_for2Y(img,y) cimg_for2((img).height,y) +#define cimg_for2Z(img,z) cimg_for2((img).depth,z) +#define cimg_for2V(img,v) cimg_for2((img).dim,v) +#define cimg_for2XY(img,x,y) cimg_for2Y(img,y) cimg_for2X(img,x) +#define cimg_for2XZ(img,x,z) cimg_for2Z(img,z) cimg_for2X(img,x) +#define cimg_for2XV(img,x,v) cimg_for2V(img,v) cimg_for2X(img,x) +#define cimg_for2YZ(img,y,z) cimg_for2Z(img,z) cimg_for2Y(img,y) +#define cimg_for2YV(img,y,v) cimg_for2V(img,v) cimg_for2Y(img,y) +#define cimg_for2ZV(img,z,v) cimg_for2V(img,v) cimg_for2Z(img,z) +#define cimg_for2XYZ(img,x,y,z) cimg_for2Z(img,z) cimg_for2XY(img,x,y) +#define cimg_for2XZV(img,x,z,v) cimg_for2V(img,v) cimg_for2XZ(img,x,z) +#define cimg_for2YZV(img,y,z,v) cimg_for2V(img,v) cimg_for2YZ(img,y,z) +#define cimg_for2XYZV(img,x,y,z,v) cimg_for2V(img,v) cimg_for2XYZ(img,x,y,z) + +#define cimg_for_in2(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1; \ + i<=(int)(i1) && (_n1##i<(int)(bound) || i==--_n1##i); \ + ++i, ++_n1##i) +#define cimg_for_in2X(img,x0,x1,x) cimg_for_in2((img).width,x0,x1,x) +#define cimg_for_in2Y(img,y0,y1,y) cimg_for_in2((img).height,y0,y1,y) +#define cimg_for_in2Z(img,z0,z1,z) cimg_for_in2((img).depth,z0,z1,z) +#define cimg_for_in2V(img,v0,v1,v) cimg_for_in2((img).dim,v0,v1,v) +#define cimg_for_in2XY(img,x0,y0,x1,y1,x,y) cimg_for_in2Y(img,y0,y1,y) cimg_for_in2X(img,x0,x1,x) +#define cimg_for_in2XZ(img,x0,z0,x1,z1,x,z) cimg_for_in2Z(img,z0,z1,z) cimg_for_in2X(img,x0,x1,x) +#define cimg_for_in2XV(img,x0,v0,x1,v1,x,v) cimg_for_in2V(img,v0,v1,v) cimg_for_in2X(img,x0,x1,x) +#define cimg_for_in2YZ(img,y0,z0,y1,z1,y,z) cimg_for_in2Z(img,z0,z1,z) cimg_for_in2Y(img,y0,y1,y) +#define cimg_for_in2YV(img,y0,v0,y1,v1,y,v) cimg_for_in2V(img,v0,v1,v) cimg_for_in2Y(img,y0,y1,y) +#define cimg_for_in2ZV(img,z0,v0,z1,v1,z,v) cimg_for_in2V(img,v0,v1,v) cimg_for_in2Z(img,z0,z1,z) +#define cimg_for_in2XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in2Z(img,z0,z1,z) cimg_for_in2XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in2XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in2V(img,v0,v1,v) cimg_for_in2XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in2YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in2V(img,v0,v1,v) cimg_for_in2YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in2XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in2V(img,v0,v1,v) cimg_for_in2XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for3(bound,i) \ + for (int i = 0, _p1##i = 0, \ + _n1##i = 1>=(bound)?(int)(bound)-1:1; \ + _n1##i<(int)(bound) || i==--_n1##i; \ + _p1##i = i++, ++_n1##i) +#define cimg_for3X(img,x) cimg_for3((img).width,x) +#define cimg_for3Y(img,y) cimg_for3((img).height,y) +#define cimg_for3Z(img,z) cimg_for3((img).depth,z) +#define cimg_for3V(img,v) cimg_for3((img).dim,v) +#define cimg_for3XY(img,x,y) cimg_for3Y(img,y) cimg_for3X(img,x) +#define cimg_for3XZ(img,x,z) cimg_for3Z(img,z) cimg_for3X(img,x) +#define cimg_for3XV(img,x,v) cimg_for3V(img,v) cimg_for3X(img,x) +#define cimg_for3YZ(img,y,z) cimg_for3Z(img,z) cimg_for3Y(img,y) +#define cimg_for3YV(img,y,v) cimg_for3V(img,v) cimg_for3Y(img,y) +#define cimg_for3ZV(img,z,v) cimg_for3V(img,v) cimg_for3Z(img,z) +#define cimg_for3XYZ(img,x,y,z) cimg_for3Z(img,z) cimg_for3XY(img,x,y) +#define cimg_for3XZV(img,x,z,v) cimg_for3V(img,v) cimg_for3XZ(img,x,z) +#define cimg_for3YZV(img,y,z,v) cimg_for3V(img,v) cimg_for3YZ(img,y,z) +#define cimg_for3XYZV(img,x,y,z,v) cimg_for3V(img,v) cimg_for3XYZ(img,x,y,z) + +#define cimg_for_in3(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _p1##i = i-1<0?0:i-1, \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1; \ + i<=(int)(i1) && (_n1##i<(int)(bound) || i==--_n1##i); \ + _p1##i = i++, ++_n1##i) +#define cimg_for_in3X(img,x0,x1,x) cimg_for_in3((img).width,x0,x1,x) +#define cimg_for_in3Y(img,y0,y1,y) cimg_for_in3((img).height,y0,y1,y) +#define cimg_for_in3Z(img,z0,z1,z) cimg_for_in3((img).depth,z0,z1,z) +#define cimg_for_in3V(img,v0,v1,v) cimg_for_in3((img).dim,v0,v1,v) +#define cimg_for_in3XY(img,x0,y0,x1,y1,x,y) cimg_for_in3Y(img,y0,y1,y) cimg_for_in3X(img,x0,x1,x) +#define cimg_for_in3XZ(img,x0,z0,x1,z1,x,z) cimg_for_in3Z(img,z0,z1,z) cimg_for_in3X(img,x0,x1,x) +#define cimg_for_in3XV(img,x0,v0,x1,v1,x,v) cimg_for_in3V(img,v0,v1,v) cimg_for_in3X(img,x0,x1,x) +#define cimg_for_in3YZ(img,y0,z0,y1,z1,y,z) cimg_for_in3Z(img,z0,z1,z) cimg_for_in3Y(img,y0,y1,y) +#define cimg_for_in3YV(img,y0,v0,y1,v1,y,v) cimg_for_in3V(img,v0,v1,v) cimg_for_in3Y(img,y0,y1,y) +#define cimg_for_in3ZV(img,z0,v0,z1,v1,z,v) cimg_for_in3V(img,v0,v1,v) cimg_for_in3Z(img,z0,z1,z) +#define cimg_for_in3XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in3Z(img,z0,z1,z) cimg_for_in3XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in3XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in3V(img,v0,v1,v) cimg_for_in3XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in3YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in3V(img,v0,v1,v) cimg_for_in3YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in3XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in3V(img,v0,v1,v) cimg_for_in3XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for4(bound,i) \ + for (int i = 0, _p1##i = 0, _n1##i = 1>=(bound)?(int)(bound)-1:1, \ + _n2##i = 2>=(bound)?(int)(bound)-1:2; \ + _n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i); \ + _p1##i = i++, ++_n1##i, ++_n2##i) +#define cimg_for4X(img,x) cimg_for4((img).width,x) +#define cimg_for4Y(img,y) cimg_for4((img).height,y) +#define cimg_for4Z(img,z) cimg_for4((img).depth,z) +#define cimg_for4V(img,v) cimg_for4((img).dim,v) +#define cimg_for4XY(img,x,y) cimg_for4Y(img,y) cimg_for4X(img,x) +#define cimg_for4XZ(img,x,z) cimg_for4Z(img,z) cimg_for4X(img,x) +#define cimg_for4XV(img,x,v) cimg_for4V(img,v) cimg_for4X(img,x) +#define cimg_for4YZ(img,y,z) cimg_for4Z(img,z) cimg_for4Y(img,y) +#define cimg_for4YV(img,y,v) cimg_for4V(img,v) cimg_for4Y(img,y) +#define cimg_for4ZV(img,z,v) cimg_for4V(img,v) cimg_for4Z(img,z) +#define cimg_for4XYZ(img,x,y,z) cimg_for4Z(img,z) cimg_for4XY(img,x,y) +#define cimg_for4XZV(img,x,z,v) cimg_for4V(img,v) cimg_for4XZ(img,x,z) +#define cimg_for4YZV(img,y,z,v) cimg_for4V(img,v) cimg_for4YZ(img,y,z) +#define cimg_for4XYZV(img,x,y,z,v) cimg_for4V(img,v) cimg_for4XYZ(img,x,y,z) + +#define cimg_for_in4(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _p1##i = i-1<0?0:i-1, \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1, \ + _n2##i = i+2>=(int)(bound)?(int)(bound)-1:i+2; \ + i<=(int)(i1) && (_n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i)); \ + _p1##i = i++, ++_n1##i, ++_n2##i) +#define cimg_for_in4X(img,x0,x1,x) cimg_for_in4((img).width,x0,x1,x) +#define cimg_for_in4Y(img,y0,y1,y) cimg_for_in4((img).height,y0,y1,y) +#define cimg_for_in4Z(img,z0,z1,z) cimg_for_in4((img).depth,z0,z1,z) +#define cimg_for_in4V(img,v0,v1,v) cimg_for_in4((img).dim,v0,v1,v) +#define cimg_for_in4XY(img,x0,y0,x1,y1,x,y) cimg_for_in4Y(img,y0,y1,y) cimg_for_in4X(img,x0,x1,x) +#define cimg_for_in4XZ(img,x0,z0,x1,z1,x,z) cimg_for_in4Z(img,z0,z1,z) cimg_for_in4X(img,x0,x1,x) +#define cimg_for_in4XV(img,x0,v0,x1,v1,x,v) cimg_for_in4V(img,v0,v1,v) cimg_for_in4X(img,x0,x1,x) +#define cimg_for_in4YZ(img,y0,z0,y1,z1,y,z) cimg_for_in4Z(img,z0,z1,z) cimg_for_in4Y(img,y0,y1,y) +#define cimg_for_in4YV(img,y0,v0,y1,v1,y,v) cimg_for_in4V(img,v0,v1,v) cimg_for_in4Y(img,y0,y1,y) +#define cimg_for_in4ZV(img,z0,v0,z1,v1,z,v) cimg_for_in4V(img,v0,v1,v) cimg_for_in4Z(img,z0,z1,z) +#define cimg_for_in4XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in4Z(img,z0,z1,z) cimg_for_in4XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in4XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in4V(img,v0,v1,v) cimg_for_in4XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in4YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in4V(img,v0,v1,v) cimg_for_in4YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in4XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in4V(img,v0,v1,v) cimg_for_in4XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for5(bound,i) \ + for (int i = 0, _p2##i = 0, _p1##i = 0, \ + _n1##i = 1>=(bound)?(int)(bound)-1:1, \ + _n2##i = 2>=(bound)?(int)(bound)-1:2; \ + _n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i); \ + _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i) +#define cimg_for5X(img,x) cimg_for5((img).width,x) +#define cimg_for5Y(img,y) cimg_for5((img).height,y) +#define cimg_for5Z(img,z) cimg_for5((img).depth,z) +#define cimg_for5V(img,v) cimg_for5((img).dim,v) +#define cimg_for5XY(img,x,y) cimg_for5Y(img,y) cimg_for5X(img,x) +#define cimg_for5XZ(img,x,z) cimg_for5Z(img,z) cimg_for5X(img,x) +#define cimg_for5XV(img,x,v) cimg_for5V(img,v) cimg_for5X(img,x) +#define cimg_for5YZ(img,y,z) cimg_for5Z(img,z) cimg_for5Y(img,y) +#define cimg_for5YV(img,y,v) cimg_for5V(img,v) cimg_for5Y(img,y) +#define cimg_for5ZV(img,z,v) cimg_for5V(img,v) cimg_for5Z(img,z) +#define cimg_for5XYZ(img,x,y,z) cimg_for5Z(img,z) cimg_for5XY(img,x,y) +#define cimg_for5XZV(img,x,z,v) cimg_for5V(img,v) cimg_for5XZ(img,x,z) +#define cimg_for5YZV(img,y,z,v) cimg_for5V(img,v) cimg_for5YZ(img,y,z) +#define cimg_for5XYZV(img,x,y,z,v) cimg_for5V(img,v) cimg_for5XYZ(img,x,y,z) + +#define cimg_for_in5(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _p2##i = i-2<0?0:i-2, \ + _p1##i = i-1<0?0:i-1, \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1, \ + _n2##i = i+2>=(int)(bound)?(int)(bound)-1:i+2; \ + i<=(int)(i1) && (_n2##i<(int)(bound) || _n1##i==--_n2##i || i==(_n2##i = --_n1##i)); \ + _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i) +#define cimg_for_in5X(img,x0,x1,x) cimg_for_in5((img).width,x0,x1,x) +#define cimg_for_in5Y(img,y0,y1,y) cimg_for_in5((img).height,y0,y1,y) +#define cimg_for_in5Z(img,z0,z1,z) cimg_for_in5((img).depth,z0,z1,z) +#define cimg_for_in5V(img,v0,v1,v) cimg_for_in5((img).dim,v0,v1,v) +#define cimg_for_in5XY(img,x0,y0,x1,y1,x,y) cimg_for_in5Y(img,y0,y1,y) cimg_for_in5X(img,x0,x1,x) +#define cimg_for_in5XZ(img,x0,z0,x1,z1,x,z) cimg_for_in5Z(img,z0,z1,z) cimg_for_in5X(img,x0,x1,x) +#define cimg_for_in5XV(img,x0,v0,x1,v1,x,v) cimg_for_in5V(img,v0,v1,v) cimg_for_in5X(img,x0,x1,x) +#define cimg_for_in5YZ(img,y0,z0,y1,z1,y,z) cimg_for_in5Z(img,z0,z1,z) cimg_for_in5Y(img,y0,y1,y) +#define cimg_for_in5YV(img,y0,v0,y1,v1,y,v) cimg_for_in5V(img,v0,v1,v) cimg_for_in5Y(img,y0,y1,y) +#define cimg_for_in5ZV(img,z0,v0,z1,v1,z,v) cimg_for_in5V(img,v0,v1,v) cimg_for_in5Z(img,z0,z1,z) +#define cimg_for_in5XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in5Z(img,z0,z1,z) cimg_for_in5XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in5XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in5V(img,v0,v1,v) cimg_for_in5XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in5YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in5V(img,v0,v1,v) cimg_for_in5YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in5XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in5V(img,v0,v1,v) cimg_for_in5XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for6(bound,i) \ + for (int i = 0, _p2##i = 0, _p1##i = 0, \ + _n1##i = 1>=(bound)?(int)(bound)-1:1, \ + _n2##i = 2>=(bound)?(int)(bound)-1:2, \ + _n3##i = 3>=(bound)?(int)(bound)-1:3; \ + _n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i); \ + _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) +#define cimg_for6X(img,x) cimg_for6((img).width,x) +#define cimg_for6Y(img,y) cimg_for6((img).height,y) +#define cimg_for6Z(img,z) cimg_for6((img).depth,z) +#define cimg_for6V(img,v) cimg_for6((img).dim,v) +#define cimg_for6XY(img,x,y) cimg_for6Y(img,y) cimg_for6X(img,x) +#define cimg_for6XZ(img,x,z) cimg_for6Z(img,z) cimg_for6X(img,x) +#define cimg_for6XV(img,x,v) cimg_for6V(img,v) cimg_for6X(img,x) +#define cimg_for6YZ(img,y,z) cimg_for6Z(img,z) cimg_for6Y(img,y) +#define cimg_for6YV(img,y,v) cimg_for6V(img,v) cimg_for6Y(img,y) +#define cimg_for6ZV(img,z,v) cimg_for6V(img,v) cimg_for6Z(img,z) +#define cimg_for6XYZ(img,x,y,z) cimg_for6Z(img,z) cimg_for6XY(img,x,y) +#define cimg_for6XZV(img,x,z,v) cimg_for6V(img,v) cimg_for6XZ(img,x,z) +#define cimg_for6YZV(img,y,z,v) cimg_for6V(img,v) cimg_for6YZ(img,y,z) +#define cimg_for6XYZV(img,x,y,z,v) cimg_for6V(img,v) cimg_for6XYZ(img,x,y,z) + +#define cimg_for_in6(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _p2##i = i-2<0?0:i-2, \ + _p1##i = i-1<0?0:i-1, \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1, \ + _n2##i = i+2>=(int)(bound)?(int)(bound)-1:i+2, \ + _n3##i = i+3>=(int)(bound)?(int)(bound)-1:i+3; \ + i<=(int)(i1) && (_n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i)); \ + _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) +#define cimg_for_in6X(img,x0,x1,x) cimg_for_in6((img).width,x0,x1,x) +#define cimg_for_in6Y(img,y0,y1,y) cimg_for_in6((img).height,y0,y1,y) +#define cimg_for_in6Z(img,z0,z1,z) cimg_for_in6((img).depth,z0,z1,z) +#define cimg_for_in6V(img,v0,v1,v) cimg_for_in6((img).dim,v0,v1,v) +#define cimg_for_in6XY(img,x0,y0,x1,y1,x,y) cimg_for_in6Y(img,y0,y1,y) cimg_for_in6X(img,x0,x1,x) +#define cimg_for_in6XZ(img,x0,z0,x1,z1,x,z) cimg_for_in6Z(img,z0,z1,z) cimg_for_in6X(img,x0,x1,x) +#define cimg_for_in6XV(img,x0,v0,x1,v1,x,v) cimg_for_in6V(img,v0,v1,v) cimg_for_in6X(img,x0,x1,x) +#define cimg_for_in6YZ(img,y0,z0,y1,z1,y,z) cimg_for_in6Z(img,z0,z1,z) cimg_for_in6Y(img,y0,y1,y) +#define cimg_for_in6YV(img,y0,v0,y1,v1,y,v) cimg_for_in6V(img,v0,v1,v) cimg_for_in6Y(img,y0,y1,y) +#define cimg_for_in6ZV(img,z0,v0,z1,v1,z,v) cimg_for_in6V(img,v0,v1,v) cimg_for_in6Z(img,z0,z1,z) +#define cimg_for_in6XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in6Z(img,z0,z1,z) cimg_for_in6XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in6XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in6V(img,v0,v1,v) cimg_for_in6XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in6YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in6V(img,v0,v1,v) cimg_for_in6YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in6XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in6V(img,v0,v1,v) cimg_for_in6XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for7(bound,i) \ + for (int i = 0, _p3##i = 0, _p2##i = 0, _p1##i = 0, \ + _n1##i = 1>=(bound)?(int)(bound)-1:1, \ + _n2##i = 2>=(bound)?(int)(bound)-1:2, \ + _n3##i = 3>=(bound)?(int)(bound)-1:3; \ + _n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i); \ + _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) +#define cimg_for7X(img,x) cimg_for7((img).width,x) +#define cimg_for7Y(img,y) cimg_for7((img).height,y) +#define cimg_for7Z(img,z) cimg_for7((img).depth,z) +#define cimg_for7V(img,v) cimg_for7((img).dim,v) +#define cimg_for7XY(img,x,y) cimg_for7Y(img,y) cimg_for7X(img,x) +#define cimg_for7XZ(img,x,z) cimg_for7Z(img,z) cimg_for7X(img,x) +#define cimg_for7XV(img,x,v) cimg_for7V(img,v) cimg_for7X(img,x) +#define cimg_for7YZ(img,y,z) cimg_for7Z(img,z) cimg_for7Y(img,y) +#define cimg_for7YV(img,y,v) cimg_for7V(img,v) cimg_for7Y(img,y) +#define cimg_for7ZV(img,z,v) cimg_for7V(img,v) cimg_for7Z(img,z) +#define cimg_for7XYZ(img,x,y,z) cimg_for7Z(img,z) cimg_for7XY(img,x,y) +#define cimg_for7XZV(img,x,z,v) cimg_for7V(img,v) cimg_for7XZ(img,x,z) +#define cimg_for7YZV(img,y,z,v) cimg_for7V(img,v) cimg_for7YZ(img,y,z) +#define cimg_for7XYZV(img,x,y,z,v) cimg_for7V(img,v) cimg_for7XYZ(img,x,y,z) + +#define cimg_for_in7(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _p3##i = i-3<0?0:i-3, \ + _p2##i = i-2<0?0:i-2, \ + _p1##i = i-1<0?0:i-1, \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1, \ + _n2##i = i+2>=(int)(bound)?(int)(bound)-1:i+2, \ + _n3##i = i+3>=(int)(bound)?(int)(bound)-1:i+3; \ + i<=(int)(i1) && (_n3##i<(int)(bound) || _n2##i==--_n3##i || _n1##i==--_n2##i || i==(_n3##i = _n2##i = --_n1##i)); \ + _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i) +#define cimg_for_in7X(img,x0,x1,x) cimg_for_in7((img).width,x0,x1,x) +#define cimg_for_in7Y(img,y0,y1,y) cimg_for_in7((img).height,y0,y1,y) +#define cimg_for_in7Z(img,z0,z1,z) cimg_for_in7((img).depth,z0,z1,z) +#define cimg_for_in7V(img,v0,v1,v) cimg_for_in7((img).dim,v0,v1,v) +#define cimg_for_in7XY(img,x0,y0,x1,y1,x,y) cimg_for_in7Y(img,y0,y1,y) cimg_for_in7X(img,x0,x1,x) +#define cimg_for_in7XZ(img,x0,z0,x1,z1,x,z) cimg_for_in7Z(img,z0,z1,z) cimg_for_in7X(img,x0,x1,x) +#define cimg_for_in7XV(img,x0,v0,x1,v1,x,v) cimg_for_in7V(img,v0,v1,v) cimg_for_in7X(img,x0,x1,x) +#define cimg_for_in7YZ(img,y0,z0,y1,z1,y,z) cimg_for_in7Z(img,z0,z1,z) cimg_for_in7Y(img,y0,y1,y) +#define cimg_for_in7YV(img,y0,v0,y1,v1,y,v) cimg_for_in7V(img,v0,v1,v) cimg_for_in7Y(img,y0,y1,y) +#define cimg_for_in7ZV(img,z0,v0,z1,v1,z,v) cimg_for_in7V(img,v0,v1,v) cimg_for_in7Z(img,z0,z1,z) +#define cimg_for_in7XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in7Z(img,z0,z1,z) cimg_for_in7XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in7XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in7V(img,v0,v1,v) cimg_for_in7XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in7YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in7V(img,v0,v1,v) cimg_for_in7YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in7XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in7V(img,v0,v1,v) cimg_for_in7XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for8(bound,i) \ + for (int i = 0, _p3##i = 0, _p2##i = 0, _p1##i = 0, \ + _n1##i = 1>=(bound)?(int)(bound)-1:1, \ + _n2##i = 2>=(bound)?(int)(bound)-1:2, \ + _n3##i = 3>=(bound)?(int)(bound)-1:3, \ + _n4##i = 4>=(bound)?(int)(bound)-1:4; \ + _n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ + i==(_n4##i = _n3##i = _n2##i = --_n1##i); \ + _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) +#define cimg_for8X(img,x) cimg_for8((img).width,x) +#define cimg_for8Y(img,y) cimg_for8((img).height,y) +#define cimg_for8Z(img,z) cimg_for8((img).depth,z) +#define cimg_for8V(img,v) cimg_for8((img).dim,v) +#define cimg_for8XY(img,x,y) cimg_for8Y(img,y) cimg_for8X(img,x) +#define cimg_for8XZ(img,x,z) cimg_for8Z(img,z) cimg_for8X(img,x) +#define cimg_for8XV(img,x,v) cimg_for8V(img,v) cimg_for8X(img,x) +#define cimg_for8YZ(img,y,z) cimg_for8Z(img,z) cimg_for8Y(img,y) +#define cimg_for8YV(img,y,v) cimg_for8V(img,v) cimg_for8Y(img,y) +#define cimg_for8ZV(img,z,v) cimg_for8V(img,v) cimg_for8Z(img,z) +#define cimg_for8XYZ(img,x,y,z) cimg_for8Z(img,z) cimg_for8XY(img,x,y) +#define cimg_for8XZV(img,x,z,v) cimg_for8V(img,v) cimg_for8XZ(img,x,z) +#define cimg_for8YZV(img,y,z,v) cimg_for8V(img,v) cimg_for8YZ(img,y,z) +#define cimg_for8XYZV(img,x,y,z,v) cimg_for8V(img,v) cimg_for8XYZ(img,x,y,z) + +#define cimg_for_in8(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _p3##i = i-3<0?0:i-3, \ + _p2##i = i-2<0?0:i-2, \ + _p1##i = i-1<0?0:i-1, \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1, \ + _n2##i = i+2>=(int)(bound)?(int)(bound)-1:i+2, \ + _n3##i = i+3>=(int)(bound)?(int)(bound)-1:i+3, \ + _n4##i = i+4>=(int)(bound)?(int)(bound)-1:i+4; \ + i<=(int)(i1) && (_n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ + i==(_n4##i = _n3##i = _n2##i = --_n1##i)); \ + _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) +#define cimg_for_in8X(img,x0,x1,x) cimg_for_in8((img).width,x0,x1,x) +#define cimg_for_in8Y(img,y0,y1,y) cimg_for_in8((img).height,y0,y1,y) +#define cimg_for_in8Z(img,z0,z1,z) cimg_for_in8((img).depth,z0,z1,z) +#define cimg_for_in8V(img,v0,v1,v) cimg_for_in8((img).dim,v0,v1,v) +#define cimg_for_in8XY(img,x0,y0,x1,y1,x,y) cimg_for_in8Y(img,y0,y1,y) cimg_for_in8X(img,x0,x1,x) +#define cimg_for_in8XZ(img,x0,z0,x1,z1,x,z) cimg_for_in8Z(img,z0,z1,z) cimg_for_in8X(img,x0,x1,x) +#define cimg_for_in8XV(img,x0,v0,x1,v1,x,v) cimg_for_in8V(img,v0,v1,v) cimg_for_in8X(img,x0,x1,x) +#define cimg_for_in8YZ(img,y0,z0,y1,z1,y,z) cimg_for_in8Z(img,z0,z1,z) cimg_for_in8Y(img,y0,y1,y) +#define cimg_for_in8YV(img,y0,v0,y1,v1,y,v) cimg_for_in8V(img,v0,v1,v) cimg_for_in8Y(img,y0,y1,y) +#define cimg_for_in8ZV(img,z0,v0,z1,v1,z,v) cimg_for_in8V(img,v0,v1,v) cimg_for_in8Z(img,z0,z1,z) +#define cimg_for_in8XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in8Z(img,z0,z1,z) cimg_for_in8XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in8XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in8V(img,v0,v1,v) cimg_for_in8XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in8YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in8V(img,v0,v1,v) cimg_for_in8YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in8XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in8V(img,v0,v1,v) cimg_for_in8XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for9(bound,i) \ + for (int i = 0, _p4##i = 0, _p3##i = 0, _p2##i = 0, _p1##i = 0, \ + _n1##i = 1>=(int)(bound)?(int)(bound)-1:1, \ + _n2##i = 2>=(int)(bound)?(int)(bound)-1:2, \ + _n3##i = 3>=(int)(bound)?(int)(bound)-1:3, \ + _n4##i = 4>=(int)(bound)?(int)(bound)-1:4; \ + _n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ + i==(_n4##i = _n3##i = _n2##i = --_n1##i); \ + _p4##i = _p3##i, _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) +#define cimg_for9X(img,x) cimg_for9((img).width,x) +#define cimg_for9Y(img,y) cimg_for9((img).height,y) +#define cimg_for9Z(img,z) cimg_for9((img).depth,z) +#define cimg_for9V(img,v) cimg_for9((img).dim,v) +#define cimg_for9XY(img,x,y) cimg_for9Y(img,y) cimg_for9X(img,x) +#define cimg_for9XZ(img,x,z) cimg_for9Z(img,z) cimg_for9X(img,x) +#define cimg_for9XV(img,x,v) cimg_for9V(img,v) cimg_for9X(img,x) +#define cimg_for9YZ(img,y,z) cimg_for9Z(img,z) cimg_for9Y(img,y) +#define cimg_for9YV(img,y,v) cimg_for9V(img,v) cimg_for9Y(img,y) +#define cimg_for9ZV(img,z,v) cimg_for9V(img,v) cimg_for9Z(img,z) +#define cimg_for9XYZ(img,x,y,z) cimg_for9Z(img,z) cimg_for9XY(img,x,y) +#define cimg_for9XZV(img,x,z,v) cimg_for9V(img,v) cimg_for9XZ(img,x,z) +#define cimg_for9YZV(img,y,z,v) cimg_for9V(img,v) cimg_for9YZ(img,y,z) +#define cimg_for9XYZV(img,x,y,z,v) cimg_for9V(img,v) cimg_for9XYZ(img,x,y,z) + +#define cimg_for_in9(bound,i0,i1,i) \ + for (int i = (int)(i0)<0?0:(int)(i0), \ + _p4##i = i-4<0?0:i-4, \ + _p3##i = i-3<0?0:i-3, \ + _p2##i = i-2<0?0:i-2, \ + _p1##i = i-1<0?0:i-1, \ + _n1##i = i+1>=(int)(bound)?(int)(bound)-1:i+1, \ + _n2##i = i+2>=(int)(bound)?(int)(bound)-1:i+2, \ + _n3##i = i+3>=(int)(bound)?(int)(bound)-1:i+3, \ + _n4##i = i+4>=(int)(bound)?(int)(bound)-1:i+4; \ + i<=(int)(i1) && (_n4##i<(int)(bound) || _n3##i==--_n4##i || _n2##i==--_n3##i || _n1##i==--_n2##i || \ + i==(_n4##i = _n3##i = _n2##i = --_n1##i)); \ + _p4##i = _p3##i, _p3##i = _p2##i, _p2##i = _p1##i, _p1##i = i++, ++_n1##i, ++_n2##i, ++_n3##i, ++_n4##i) +#define cimg_for_in9X(img,x0,x1,x) cimg_for_in9((img).width,x0,x1,x) +#define cimg_for_in9Y(img,y0,y1,y) cimg_for_in9((img).height,y0,y1,y) +#define cimg_for_in9Z(img,z0,z1,z) cimg_for_in9((img).depth,z0,z1,z) +#define cimg_for_in9V(img,v0,v1,v) cimg_for_in9((img).dim,v0,v1,v) +#define cimg_for_in9XY(img,x0,y0,x1,y1,x,y) cimg_for_in9Y(img,y0,y1,y) cimg_for_in9X(img,x0,x1,x) +#define cimg_for_in9XZ(img,x0,z0,x1,z1,x,z) cimg_for_in9Z(img,z0,z1,z) cimg_for_in9X(img,x0,x1,x) +#define cimg_for_in9XV(img,x0,v0,x1,v1,x,v) cimg_for_in9V(img,v0,v1,v) cimg_for_in9X(img,x0,x1,x) +#define cimg_for_in9YZ(img,y0,z0,y1,z1,y,z) cimg_for_in9Z(img,z0,z1,z) cimg_for_in9Y(img,y0,y1,y) +#define cimg_for_in9YV(img,y0,v0,y1,v1,y,v) cimg_for_in9V(img,v0,v1,v) cimg_for_in9Y(img,y0,y1,y) +#define cimg_for_in9ZV(img,z0,v0,z1,v1,z,v) cimg_for_in9V(img,v0,v1,v) cimg_for_in9Z(img,z0,z1,z) +#define cimg_for_in9XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) cimg_for_in9Z(img,z0,z1,z) cimg_for_in9XY(img,x0,y0,x1,y1,x,y) +#define cimg_for_in9XZV(img,x0,z0,v0,x1,y1,v1,x,z,v) cimg_for_in9V(img,v0,v1,v) cimg_for_in9XZ(img,x0,y0,x1,y1,x,z) +#define cimg_for_in9YZV(img,y0,z0,v0,y1,z1,v1,y,z,v) cimg_for_in9V(img,v0,v1,v) cimg_for_in9YZ(img,y0,z0,y1,z1,y,z) +#define cimg_for_in9XYZV(img,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) cimg_for_in9V(img,v0,v1,v) cimg_for_in9XYZ(img,x0,y0,z0,x1,y1,z1,x,y,z) + +#define cimg_for2x2(img,x,y,z,v,I) \ + cimg_for2((img).height,y) for (int x = 0, \ + _n1##x = (int)( \ + (I[0] = (img)(0,y,z,v)), \ + (I[2] = (img)(0,_n1##y,z,v)), \ + 1>=(img).width?(int)((img).width)-1:1); \ + (_n1##x<(int)((img).width) && ( \ + (I[1] = (img)(_n1##x,y,z,v)), \ + (I[3] = (img)(_n1##x,_n1##y,z,v)),1)) || \ + x==--_n1##x; \ + I[0] = I[1], \ + I[2] = I[3], \ + ++x, ++_n1##x) + +#define cimg_for_in2x2(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in2((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _n1##x = (int)( \ + (I[0] = (img)(x,y,z,v)), \ + (I[2] = (img)(x,_n1##y,z,v)), \ + x+1>=(int)(img).width?(int)((img).width)-1:x+1); \ + x<=(int)(x1) && ((_n1##x<(int)((img).width) && ( \ + (I[1] = (img)(_n1##x,y,z,v)), \ + (I[3] = (img)(_n1##x,_n1##y,z,v)),1)) || \ + x==--_n1##x); \ + I[0] = I[1], \ + I[2] = I[3], \ + ++x, ++_n1##x) + +#define cimg_for3x3(img,x,y,z,v,I) \ + cimg_for3((img).height,y) for (int x = 0, \ + _p1##x = 0, \ + _n1##x = (int)( \ + (I[0] = I[1] = (img)(0,_p1##y,z,v)), \ + (I[3] = I[4] = (img)(0,y,z,v)), \ + (I[6] = I[7] = (img)(0,_n1##y,z,v)), \ + 1>=(img).width?(int)((img).width)-1:1); \ + (_n1##x<(int)((img).width) && ( \ + (I[2] = (img)(_n1##x,_p1##y,z,v)), \ + (I[5] = (img)(_n1##x,y,z,v)), \ + (I[8] = (img)(_n1##x,_n1##y,z,v)),1)) || \ + x==--_n1##x; \ + I[0] = I[1], I[1] = I[2], \ + I[3] = I[4], I[4] = I[5], \ + I[6] = I[7], I[7] = I[8], \ + _p1##x = x++, ++_n1##x) + +#define cimg_for_in3x3(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in3((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = (int)( \ + (I[0] = (img)(_p1##x,_p1##y,z,v)), \ + (I[3] = (img)(_p1##x,y,z,v)), \ + (I[6] = (img)(_p1##x,_n1##y,z,v)), \ + (I[1] = (img)(x,_p1##y,z,v)), \ + (I[4] = (img)(x,y,z,v)), \ + (I[7] = (img)(x,_n1##y,z,v)), \ + x+1>=(int)(img).width?(int)((img).width)-1:x+1); \ + x<=(int)(x1) && ((_n1##x<(int)((img).width) && ( \ + (I[2] = (img)(_n1##x,_p1##y,z,v)), \ + (I[5] = (img)(_n1##x,y,z,v)), \ + (I[8] = (img)(_n1##x,_n1##y,z,v)),1)) || \ + x==--_n1##x); \ + I[0] = I[1], I[1] = I[2], \ + I[3] = I[4], I[4] = I[5], \ + I[6] = I[7], I[7] = I[8], \ + _p1##x = x++, ++_n1##x) + +#define cimg_for4x4(img,x,y,z,v,I) \ + cimg_for4((img).height,y) for (int x = 0, \ + _p1##x = 0, \ + _n1##x = 1>=(img).width?(int)((img).width)-1:1, \ + _n2##x = (int)( \ + (I[0] = I[1] = (img)(0,_p1##y,z,v)), \ + (I[4] = I[5] = (img)(0,y,z,v)), \ + (I[8] = I[9] = (img)(0,_n1##y,z,v)), \ + (I[12] = I[13] = (img)(0,_n2##y,z,v)), \ + (I[2] = (img)(_n1##x,_p1##y,z,v)), \ + (I[6] = (img)(_n1##x,y,z,v)), \ + (I[10] = (img)(_n1##x,_n1##y,z,v)), \ + (I[14] = (img)(_n1##x,_n2##y,z,v)), \ + 2>=(img).width?(int)((img).width)-1:2); \ + (_n2##x<(int)((img).width) && ( \ + (I[3] = (img)(_n2##x,_p1##y,z,v)), \ + (I[7] = (img)(_n2##x,y,z,v)), \ + (I[11] = (img)(_n2##x,_n1##y,z,v)), \ + (I[15] = (img)(_n2##x,_n2##y,z,v)),1)) || \ + _n1##x==--_n2##x || x==(_n2##x = --_n1##x); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], \ + I[4] = I[5], I[5] = I[6], I[6] = I[7], \ + I[8] = I[9], I[9] = I[10], I[10] = I[11], \ + I[12] = I[13], I[13] = I[14], I[14] = I[15], \ + _p1##x = x++, ++_n1##x, ++_n2##x) + +#define cimg_for_in4x4(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in4((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = x+1>=(int)(img).width?(int)((img).width)-1:x+1, \ + _n2##x = (int)( \ + (I[0] = (img)(_p1##x,_p1##y,z,v)), \ + (I[4] = (img)(_p1##x,y,z,v)), \ + (I[8] = (img)(_p1##x,_n1##y,z,v)), \ + (I[12] = (img)(_p1##x,_n2##y,z,v)), \ + (I[1] = (img)(x,_p1##y,z,v)), \ + (I[5] = (img)(x,y,z,v)), \ + (I[9] = (img)(x,_n1##y,z,v)), \ + (I[13] = (img)(x,_n2##y,z,v)), \ + (I[2] = (img)(_n1##x,_p1##y,z,v)), \ + (I[6] = (img)(_n1##x,y,z,v)), \ + (I[10] = (img)(_n1##x,_n1##y,z,v)), \ + (I[14] = (img)(_n1##x,_n2##y,z,v)), \ + x+2>=(int)(img).width?(int)((img).width)-1:x+2); \ + x<=(int)(x1) && ((_n2##x<(int)((img).width) && ( \ + (I[3] = (img)(_n2##x,_p1##y,z,v)), \ + (I[7] = (img)(_n2##x,y,z,v)), \ + (I[11] = (img)(_n2##x,_n1##y,z,v)), \ + (I[15] = (img)(_n2##x,_n2##y,z,v)),1)) || \ + _n1##x==--_n2##x || x==(_n2##x = --_n1##x)); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], \ + I[4] = I[5], I[5] = I[6], I[6] = I[7], \ + I[8] = I[9], I[9] = I[10], I[10] = I[11], \ + I[12] = I[13], I[13] = I[14], I[14] = I[15], \ + _p1##x = x++, ++_n1##x, ++_n2##x) + +#define cimg_for5x5(img,x,y,z,v,I) \ + cimg_for5((img).height,y) for (int x = 0, \ + _p2##x = 0, _p1##x = 0, \ + _n1##x = 1>=(img).width?(int)((img).width)-1:1, \ + _n2##x = (int)( \ + (I[0] = I[1] = I[2] = (img)(0,_p2##y,z,v)), \ + (I[5] = I[6] = I[7] = (img)(0,_p1##y,z,v)), \ + (I[10] = I[11] = I[12] = (img)(0,y,z,v)), \ + (I[15] = I[16] = I[17] = (img)(0,_n1##y,z,v)), \ + (I[20] = I[21] = I[22] = (img)(0,_n2##y,z,v)), \ + (I[3] = (img)(_n1##x,_p2##y,z,v)), \ + (I[8] = (img)(_n1##x,_p1##y,z,v)), \ + (I[13] = (img)(_n1##x,y,z,v)), \ + (I[18] = (img)(_n1##x,_n1##y,z,v)), \ + (I[23] = (img)(_n1##x,_n2##y,z,v)), \ + 2>=(img).width?(int)((img).width)-1:2); \ + (_n2##x<(int)((img).width) && ( \ + (I[4] = (img)(_n2##x,_p2##y,z,v)), \ + (I[9] = (img)(_n2##x,_p1##y,z,v)), \ + (I[14] = (img)(_n2##x,y,z,v)), \ + (I[19] = (img)(_n2##x,_n1##y,z,v)), \ + (I[24] = (img)(_n2##x,_n2##y,z,v)),1)) || \ + _n1##x==--_n2##x || x==(_n2##x = --_n1##x); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], \ + I[5] = I[6], I[6] = I[7], I[7] = I[8], I[8] = I[9], \ + I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], \ + I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], \ + I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], \ + _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x) + +#define cimg_for_in5x5(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in5((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _p2##x = x-2<0?0:x-2, \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = x+1>=(int)(img).width?(int)((img).width)-1:x+1, \ + _n2##x = (int)( \ + (I[0] = (img)(_p2##x,_p2##y,z,v)), \ + (I[5] = (img)(_p2##x,_p1##y,z,v)), \ + (I[10] = (img)(_p2##x,y,z,v)), \ + (I[15] = (img)(_p2##x,_n1##y,z,v)), \ + (I[20] = (img)(_p2##x,_n2##y,z,v)), \ + (I[1] = (img)(_p1##x,_p2##y,z,v)), \ + (I[6] = (img)(_p1##x,_p1##y,z,v)), \ + (I[11] = (img)(_p1##x,y,z,v)), \ + (I[16] = (img)(_p1##x,_n1##y,z,v)), \ + (I[21] = (img)(_p1##x,_n2##y,z,v)), \ + (I[2] = (img)(x,_p2##y,z,v)), \ + (I[7] = (img)(x,_p1##y,z,v)), \ + (I[12] = (img)(x,y,z,v)), \ + (I[17] = (img)(x,_n1##y,z,v)), \ + (I[22] = (img)(x,_n2##y,z,v)), \ + (I[3] = (img)(_n1##x,_p2##y,z,v)), \ + (I[8] = (img)(_n1##x,_p1##y,z,v)), \ + (I[13] = (img)(_n1##x,y,z,v)), \ + (I[18] = (img)(_n1##x,_n1##y,z,v)), \ + (I[23] = (img)(_n1##x,_n2##y,z,v)), \ + x+2>=(int)(img).width?(int)((img).width)-1:x+2); \ + x<=(int)(x1) && ((_n2##x<(int)((img).width) && ( \ + (I[4] = (img)(_n2##x,_p2##y,z,v)), \ + (I[9] = (img)(_n2##x,_p1##y,z,v)), \ + (I[14] = (img)(_n2##x,y,z,v)), \ + (I[19] = (img)(_n2##x,_n1##y,z,v)), \ + (I[24] = (img)(_n2##x,_n2##y,z,v)),1)) || \ + _n1##x==--_n2##x || x==(_n2##x = --_n1##x)); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], \ + I[5] = I[6], I[6] = I[7], I[7] = I[8], I[8] = I[9], \ + I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], \ + I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], \ + I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], \ + _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x) + +#define cimg_for6x6(img,x,y,z,v,I) \ + cimg_for6((img).height,y) for (int x = 0, \ + _p2##x = 0, _p1##x = 0, \ + _n1##x = 1>=(img).width?(int)((img).width)-1:1, \ + _n2##x = 2>=(img).width?(int)((img).width)-1:2, \ + _n3##x = (int)( \ + (I[0] = I[1] = I[2] = (img)(0,_p2##y,z,v)), \ + (I[6] = I[7] = I[8] = (img)(0,_p1##y,z,v)), \ + (I[12] = I[13] = I[14] = (img)(0,y,z,v)), \ + (I[18] = I[19] = I[20] = (img)(0,_n1##y,z,v)), \ + (I[24] = I[25] = I[26] = (img)(0,_n2##y,z,v)), \ + (I[30] = I[31] = I[32] = (img)(0,_n3##y,z,v)), \ + (I[3] = (img)(_n1##x,_p2##y,z,v)), \ + (I[9] = (img)(_n1##x,_p1##y,z,v)), \ + (I[15] = (img)(_n1##x,y,z,v)), \ + (I[21] = (img)(_n1##x,_n1##y,z,v)), \ + (I[27] = (img)(_n1##x,_n2##y,z,v)), \ + (I[33] = (img)(_n1##x,_n3##y,z,v)), \ + (I[4] = (img)(_n2##x,_p2##y,z,v)), \ + (I[10] = (img)(_n2##x,_p1##y,z,v)), \ + (I[16] = (img)(_n2##x,y,z,v)), \ + (I[22] = (img)(_n2##x,_n1##y,z,v)), \ + (I[28] = (img)(_n2##x,_n2##y,z,v)), \ + (I[34] = (img)(_n2##x,_n3##y,z,v)), \ + 3>=(img).width?(int)((img).width)-1:3); \ + (_n3##x<(int)((img).width) && ( \ + (I[5] = (img)(_n3##x,_p2##y,z,v)), \ + (I[11] = (img)(_n3##x,_p1##y,z,v)), \ + (I[17] = (img)(_n3##x,y,z,v)), \ + (I[23] = (img)(_n3##x,_n1##y,z,v)), \ + (I[29] = (img)(_n3##x,_n2##y,z,v)), \ + (I[35] = (img)(_n3##x,_n3##y,z,v)),1)) || \ + _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3## x = _n2##x = --_n1##x); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], \ + I[6] = I[7], I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], \ + I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], I[16] = I[17], \ + I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ + I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], \ + I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], I[34] = I[35], \ + _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) + +#define cimg_for_in6x6(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in6((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)x0, \ + _p2##x = x-2<0?0:x-2, \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = x+1>=(int)(img).width?(int)((img).width)-1:x+1, \ + _n2##x = x+2>=(int)(img).width?(int)((img).width)-1:x+2, \ + _n3##x = (int)( \ + (I[0] = (img)(_p2##x,_p2##y,z,v)), \ + (I[6] = (img)(_p2##x,_p1##y,z,v)), \ + (I[12] = (img)(_p2##x,y,z,v)), \ + (I[18] = (img)(_p2##x,_n1##y,z,v)), \ + (I[24] = (img)(_p2##x,_n2##y,z,v)), \ + (I[30] = (img)(_p2##x,_n3##y,z,v)), \ + (I[1] = (img)(_p1##x,_p2##y,z,v)), \ + (I[7] = (img)(_p1##x,_p1##y,z,v)), \ + (I[13] = (img)(_p1##x,y,z,v)), \ + (I[19] = (img)(_p1##x,_n1##y,z,v)), \ + (I[25] = (img)(_p1##x,_n2##y,z,v)), \ + (I[31] = (img)(_p1##x,_n3##y,z,v)), \ + (I[2] = (img)(x,_p2##y,z,v)), \ + (I[8] = (img)(x,_p1##y,z,v)), \ + (I[14] = (img)(x,y,z,v)), \ + (I[20] = (img)(x,_n1##y,z,v)), \ + (I[26] = (img)(x,_n2##y,z,v)), \ + (I[32] = (img)(x,_n3##y,z,v)), \ + (I[3] = (img)(_n1##x,_p2##y,z,v)), \ + (I[9] = (img)(_n1##x,_p1##y,z,v)), \ + (I[15] = (img)(_n1##x,y,z,v)), \ + (I[21] = (img)(_n1##x,_n1##y,z,v)), \ + (I[27] = (img)(_n1##x,_n2##y,z,v)), \ + (I[33] = (img)(_n1##x,_n3##y,z,v)), \ + (I[4] = (img)(_n2##x,_p2##y,z,v)), \ + (I[10] = (img)(_n2##x,_p1##y,z,v)), \ + (I[16] = (img)(_n2##x,y,z,v)), \ + (I[22] = (img)(_n2##x,_n1##y,z,v)), \ + (I[28] = (img)(_n2##x,_n2##y,z,v)), \ + (I[34] = (img)(_n2##x,_n3##y,z,v)), \ + x+3>=(int)(img).width?(int)((img).width)-1:x+3); \ + x<=(int)(x1) && ((_n3##x<(int)((img).width) && ( \ + (I[5] = (img)(_n3##x,_p2##y,z,v)), \ + (I[11] = (img)(_n3##x,_p1##y,z,v)), \ + (I[17] = (img)(_n3##x,y,z,v)), \ + (I[23] = (img)(_n3##x,_n1##y,z,v)), \ + (I[29] = (img)(_n3##x,_n2##y,z,v)), \ + (I[35] = (img)(_n3##x,_n3##y,z,v)),1)) || \ + _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3## x = _n2##x = --_n1##x)); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], \ + I[6] = I[7], I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], \ + I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], I[16] = I[17], \ + I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ + I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], \ + I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], I[34] = I[35], \ + _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) + +#define cimg_for7x7(img,x,y,z,v,I) \ + cimg_for7((img).height,y) for (int x = 0, \ + _p3##x = 0, _p2##x = 0, _p1##x = 0, \ + _n1##x = 1>=(img).width?(int)((img).width)-1:1, \ + _n2##x = 2>=(img).width?(int)((img).width)-1:2, \ + _n3##x = (int)( \ + (I[0] = I[1] = I[2] = I[3] = (img)(0,_p3##y,z,v)), \ + (I[7] = I[8] = I[9] = I[10] = (img)(0,_p2##y,z,v)), \ + (I[14] = I[15] = I[16] = I[17] = (img)(0,_p1##y,z,v)), \ + (I[21] = I[22] = I[23] = I[24] = (img)(0,y,z,v)), \ + (I[28] = I[29] = I[30] = I[31] = (img)(0,_n1##y,z,v)), \ + (I[35] = I[36] = I[37] = I[38] = (img)(0,_n2##y,z,v)), \ + (I[42] = I[43] = I[44] = I[45] = (img)(0,_n3##y,z,v)), \ + (I[4] = (img)(_n1##x,_p3##y,z,v)), \ + (I[11] = (img)(_n1##x,_p2##y,z,v)), \ + (I[18] = (img)(_n1##x,_p1##y,z,v)), \ + (I[25] = (img)(_n1##x,y,z,v)), \ + (I[32] = (img)(_n1##x,_n1##y,z,v)), \ + (I[39] = (img)(_n1##x,_n2##y,z,v)), \ + (I[46] = (img)(_n1##x,_n3##y,z,v)), \ + (I[5] = (img)(_n2##x,_p3##y,z,v)), \ + (I[12] = (img)(_n2##x,_p2##y,z,v)), \ + (I[19] = (img)(_n2##x,_p1##y,z,v)), \ + (I[26] = (img)(_n2##x,y,z,v)), \ + (I[33] = (img)(_n2##x,_n1##y,z,v)), \ + (I[40] = (img)(_n2##x,_n2##y,z,v)), \ + (I[47] = (img)(_n2##x,_n3##y,z,v)), \ + 3>=(img).width?(int)((img).width)-1:3); \ + (_n3##x<(int)((img).width) && ( \ + (I[6] = (img)(_n3##x,_p3##y,z,v)), \ + (I[13] = (img)(_n3##x,_p2##y,z,v)), \ + (I[20] = (img)(_n3##x,_p1##y,z,v)), \ + (I[27] = (img)(_n3##x,y,z,v)), \ + (I[34] = (img)(_n3##x,_n1##y,z,v)), \ + (I[41] = (img)(_n3##x,_n2##y,z,v)), \ + (I[48] = (img)(_n3##x,_n3##y,z,v)),1)) || \ + _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3##x = _n2##x = --_n1##x); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], \ + I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], \ + I[14] = I[15], I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], \ + I[21] = I[22], I[22] = I[23], I[23] = I[24], I[24] = I[25], I[25] = I[26], I[26] = I[27], \ + I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], \ + I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], I[40] = I[41], \ + I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], I[47] = I[48], \ + _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) + +#define cimg_for_in7x7(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in7((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _p3##x = x-3<0?0:x-3, \ + _p2##x = x-2<0?0:x-2, \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = x+1>=(int)(img).width?(int)((img).width)-1:x+1, \ + _n2##x = x+2>=(int)(img).width?(int)((img).width)-1:x+2, \ + _n3##x = (int)( \ + (I[0] = (img)(_p3##x,_p3##y,z,v)), \ + (I[7] = (img)(_p3##x,_p2##y,z,v)), \ + (I[14] = (img)(_p3##x,_p1##y,z,v)), \ + (I[21] = (img)(_p3##x,y,z,v)), \ + (I[28] = (img)(_p3##x,_n1##y,z,v)), \ + (I[35] = (img)(_p3##x,_n2##y,z,v)), \ + (I[42] = (img)(_p3##x,_n3##y,z,v)), \ + (I[1] = (img)(_p2##x,_p3##y,z,v)), \ + (I[8] = (img)(_p2##x,_p2##y,z,v)), \ + (I[15] = (img)(_p2##x,_p1##y,z,v)), \ + (I[22] = (img)(_p2##x,y,z,v)), \ + (I[29] = (img)(_p2##x,_n1##y,z,v)), \ + (I[36] = (img)(_p2##x,_n2##y,z,v)), \ + (I[43] = (img)(_p2##x,_n3##y,z,v)), \ + (I[2] = (img)(_p1##x,_p3##y,z,v)), \ + (I[9] = (img)(_p1##x,_p2##y,z,v)), \ + (I[16] = (img)(_p1##x,_p1##y,z,v)), \ + (I[23] = (img)(_p1##x,y,z,v)), \ + (I[30] = (img)(_p1##x,_n1##y,z,v)), \ + (I[37] = (img)(_p1##x,_n2##y,z,v)), \ + (I[44] = (img)(_p1##x,_n3##y,z,v)), \ + (I[3] = (img)(x,_p3##y,z,v)), \ + (I[10] = (img)(x,_p2##y,z,v)), \ + (I[17] = (img)(x,_p1##y,z,v)), \ + (I[24] = (img)(x,y,z,v)), \ + (I[31] = (img)(x,_n1##y,z,v)), \ + (I[38] = (img)(x,_n2##y,z,v)), \ + (I[45] = (img)(x,_n3##y,z,v)), \ + (I[4] = (img)(_n1##x,_p3##y,z,v)), \ + (I[11] = (img)(_n1##x,_p2##y,z,v)), \ + (I[18] = (img)(_n1##x,_p1##y,z,v)), \ + (I[25] = (img)(_n1##x,y,z,v)), \ + (I[32] = (img)(_n1##x,_n1##y,z,v)), \ + (I[39] = (img)(_n1##x,_n2##y,z,v)), \ + (I[46] = (img)(_n1##x,_n3##y,z,v)), \ + (I[5] = (img)(_n2##x,_p3##y,z,v)), \ + (I[12] = (img)(_n2##x,_p2##y,z,v)), \ + (I[19] = (img)(_n2##x,_p1##y,z,v)), \ + (I[26] = (img)(_n2##x,y,z,v)), \ + (I[33] = (img)(_n2##x,_n1##y,z,v)), \ + (I[40] = (img)(_n2##x,_n2##y,z,v)), \ + (I[47] = (img)(_n2##x,_n3##y,z,v)), \ + x+3>=(int)(img).width?(int)((img).width)-1:x+3); \ + x<=(int)(x1) && ((_n3##x<(int)((img).width) && ( \ + (I[6] = (img)(_n3##x,_p3##y,z,v)), \ + (I[13] = (img)(_n3##x,_p2##y,z,v)), \ + (I[20] = (img)(_n3##x,_p1##y,z,v)), \ + (I[27] = (img)(_n3##x,y,z,v)), \ + (I[34] = (img)(_n3##x,_n1##y,z,v)), \ + (I[41] = (img)(_n3##x,_n2##y,z,v)), \ + (I[48] = (img)(_n3##x,_n3##y,z,v)),1)) || \ + _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n3##x = _n2##x = --_n1##x)); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], \ + I[7] = I[8], I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], \ + I[14] = I[15], I[15] = I[16], I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], \ + I[21] = I[22], I[22] = I[23], I[23] = I[24], I[24] = I[25], I[25] = I[26], I[26] = I[27], \ + I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], \ + I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], I[40] = I[41], \ + I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], I[47] = I[48], \ + _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x) + +#define cimg_for8x8(img,x,y,z,v,I) \ + cimg_for8((img).height,y) for (int x = 0, \ + _p3##x = 0, _p2##x = 0, _p1##x = 0, \ + _n1##x = 1>=((img).width)?(int)((img).width)-1:1, \ + _n2##x = 2>=((img).width)?(int)((img).width)-1:2, \ + _n3##x = 3>=((img).width)?(int)((img).width)-1:3, \ + _n4##x = (int)( \ + (I[0] = I[1] = I[2] = I[3] = (img)(0,_p3##y,z,v)), \ + (I[8] = I[9] = I[10] = I[11] = (img)(0,_p2##y,z,v)), \ + (I[16] = I[17] = I[18] = I[19] = (img)(0,_p1##y,z,v)), \ + (I[24] = I[25] = I[26] = I[27] = (img)(0,y,z,v)), \ + (I[32] = I[33] = I[34] = I[35] = (img)(0,_n1##y,z,v)), \ + (I[40] = I[41] = I[42] = I[43] = (img)(0,_n2##y,z,v)), \ + (I[48] = I[49] = I[50] = I[51] = (img)(0,_n3##y,z,v)), \ + (I[56] = I[57] = I[58] = I[59] = (img)(0,_n4##y,z,v)), \ + (I[4] = (img)(_n1##x,_p3##y,z,v)), \ + (I[12] = (img)(_n1##x,_p2##y,z,v)), \ + (I[20] = (img)(_n1##x,_p1##y,z,v)), \ + (I[28] = (img)(_n1##x,y,z,v)), \ + (I[36] = (img)(_n1##x,_n1##y,z,v)), \ + (I[44] = (img)(_n1##x,_n2##y,z,v)), \ + (I[52] = (img)(_n1##x,_n3##y,z,v)), \ + (I[60] = (img)(_n1##x,_n4##y,z,v)), \ + (I[5] = (img)(_n2##x,_p3##y,z,v)), \ + (I[13] = (img)(_n2##x,_p2##y,z,v)), \ + (I[21] = (img)(_n2##x,_p1##y,z,v)), \ + (I[29] = (img)(_n2##x,y,z,v)), \ + (I[37] = (img)(_n2##x,_n1##y,z,v)), \ + (I[45] = (img)(_n2##x,_n2##y,z,v)), \ + (I[53] = (img)(_n2##x,_n3##y,z,v)), \ + (I[61] = (img)(_n2##x,_n4##y,z,v)), \ + (I[6] = (img)(_n3##x,_p3##y,z,v)), \ + (I[14] = (img)(_n3##x,_p2##y,z,v)), \ + (I[22] = (img)(_n3##x,_p1##y,z,v)), \ + (I[30] = (img)(_n3##x,y,z,v)), \ + (I[38] = (img)(_n3##x,_n1##y,z,v)), \ + (I[46] = (img)(_n3##x,_n2##y,z,v)), \ + (I[54] = (img)(_n3##x,_n3##y,z,v)), \ + (I[62] = (img)(_n3##x,_n4##y,z,v)), \ + 4>=((img).width)?(int)((img).width)-1:4); \ + (_n4##x<(int)((img).width) && ( \ + (I[7] = (img)(_n4##x,_p3##y,z,v)), \ + (I[15] = (img)(_n4##x,_p2##y,z,v)), \ + (I[23] = (img)(_n4##x,_p1##y,z,v)), \ + (I[31] = (img)(_n4##x,y,z,v)), \ + (I[39] = (img)(_n4##x,_n1##y,z,v)), \ + (I[47] = (img)(_n4##x,_n2##y,z,v)), \ + (I[55] = (img)(_n4##x,_n3##y,z,v)), \ + (I[63] = (img)(_n4##x,_n4##y,z,v)),1)) || \ + _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], \ + I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], \ + I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ + I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], \ + I[32] = I[33], I[33] = I[34], I[34] = I[35], I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], \ + I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], \ + I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], I[53] = I[54], I[54] = I[55], \ + I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], I[62] = I[63], \ + _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) + +#define cimg_for_in8x8(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in8((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _p3##x = x-3<0?0:x-3, \ + _p2##x = x-2<0?0:x-2, \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = x+1>=(int)((img).width)?(int)((img).width)-1:x+1, \ + _n2##x = x+2>=(int)((img).width)?(int)((img).width)-1:x+2, \ + _n3##x = x+3>=(int)((img).width)?(int)((img).width)-1:x+3, \ + _n4##x = (int)( \ + (I[0] = (img)(_p3##x,_p3##y,z,v)), \ + (I[8] = (img)(_p3##x,_p2##y,z,v)), \ + (I[16] = (img)(_p3##x,_p1##y,z,v)), \ + (I[24] = (img)(_p3##x,y,z,v)), \ + (I[32] = (img)(_p3##x,_n1##y,z,v)), \ + (I[40] = (img)(_p3##x,_n2##y,z,v)), \ + (I[48] = (img)(_p3##x,_n3##y,z,v)), \ + (I[56] = (img)(_p3##x,_n4##y,z,v)), \ + (I[1] = (img)(_p2##x,_p3##y,z,v)), \ + (I[9] = (img)(_p2##x,_p2##y,z,v)), \ + (I[17] = (img)(_p2##x,_p1##y,z,v)), \ + (I[25] = (img)(_p2##x,y,z,v)), \ + (I[33] = (img)(_p2##x,_n1##y,z,v)), \ + (I[41] = (img)(_p2##x,_n2##y,z,v)), \ + (I[49] = (img)(_p2##x,_n3##y,z,v)), \ + (I[57] = (img)(_p2##x,_n4##y,z,v)), \ + (I[2] = (img)(_p1##x,_p3##y,z,v)), \ + (I[10] = (img)(_p1##x,_p2##y,z,v)), \ + (I[18] = (img)(_p1##x,_p1##y,z,v)), \ + (I[26] = (img)(_p1##x,y,z,v)), \ + (I[34] = (img)(_p1##x,_n1##y,z,v)), \ + (I[42] = (img)(_p1##x,_n2##y,z,v)), \ + (I[50] = (img)(_p1##x,_n3##y,z,v)), \ + (I[58] = (img)(_p1##x,_n4##y,z,v)), \ + (I[3] = (img)(x,_p3##y,z,v)), \ + (I[11] = (img)(x,_p2##y,z,v)), \ + (I[19] = (img)(x,_p1##y,z,v)), \ + (I[27] = (img)(x,y,z,v)), \ + (I[35] = (img)(x,_n1##y,z,v)), \ + (I[43] = (img)(x,_n2##y,z,v)), \ + (I[51] = (img)(x,_n3##y,z,v)), \ + (I[59] = (img)(x,_n4##y,z,v)), \ + (I[4] = (img)(_n1##x,_p3##y,z,v)), \ + (I[12] = (img)(_n1##x,_p2##y,z,v)), \ + (I[20] = (img)(_n1##x,_p1##y,z,v)), \ + (I[28] = (img)(_n1##x,y,z,v)), \ + (I[36] = (img)(_n1##x,_n1##y,z,v)), \ + (I[44] = (img)(_n1##x,_n2##y,z,v)), \ + (I[52] = (img)(_n1##x,_n3##y,z,v)), \ + (I[60] = (img)(_n1##x,_n4##y,z,v)), \ + (I[5] = (img)(_n2##x,_p3##y,z,v)), \ + (I[13] = (img)(_n2##x,_p2##y,z,v)), \ + (I[21] = (img)(_n2##x,_p1##y,z,v)), \ + (I[29] = (img)(_n2##x,y,z,v)), \ + (I[37] = (img)(_n2##x,_n1##y,z,v)), \ + (I[45] = (img)(_n2##x,_n2##y,z,v)), \ + (I[53] = (img)(_n2##x,_n3##y,z,v)), \ + (I[61] = (img)(_n2##x,_n4##y,z,v)), \ + (I[6] = (img)(_n3##x,_p3##y,z,v)), \ + (I[14] = (img)(_n3##x,_p2##y,z,v)), \ + (I[22] = (img)(_n3##x,_p1##y,z,v)), \ + (I[30] = (img)(_n3##x,y,z,v)), \ + (I[38] = (img)(_n3##x,_n1##y,z,v)), \ + (I[46] = (img)(_n3##x,_n2##y,z,v)), \ + (I[54] = (img)(_n3##x,_n3##y,z,v)), \ + (I[62] = (img)(_n3##x,_n4##y,z,v)), \ + x+4>=(int)((img).width)?(int)((img).width)-1:x+4); \ + x<=(int)(x1) && ((_n4##x<(int)((img).width) && ( \ + (I[7] = (img)(_n4##x,_p3##y,z,v)), \ + (I[15] = (img)(_n4##x,_p2##y,z,v)), \ + (I[23] = (img)(_n4##x,_p1##y,z,v)), \ + (I[31] = (img)(_n4##x,y,z,v)), \ + (I[39] = (img)(_n4##x,_n1##y,z,v)), \ + (I[47] = (img)(_n4##x,_n2##y,z,v)), \ + (I[55] = (img)(_n4##x,_n3##y,z,v)), \ + (I[63] = (img)(_n4##x,_n4##y,z,v)),1)) || \ + _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x)); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], \ + I[8] = I[9], I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], \ + I[16] = I[17], I[17] = I[18], I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], \ + I[24] = I[25], I[25] = I[26], I[26] = I[27], I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], \ + I[32] = I[33], I[33] = I[34], I[34] = I[35], I[35] = I[36], I[36] = I[37], I[37] = I[38], I[38] = I[39], \ + I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], I[44] = I[45], I[45] = I[46], I[46] = I[47], \ + I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], I[53] = I[54], I[54] = I[55], \ + I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], I[62] = I[63], \ + _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) + +#define cimg_for9x9(img,x,y,z,v,I) \ + cimg_for9((img).height,y) for (int x = 0, \ + _p4##x = 0, _p3##x = 0, _p2##x = 0, _p1##x = 0, \ + _n1##x = 1>=((img).width)?(int)((img).width)-1:1, \ + _n2##x = 2>=((img).width)?(int)((img).width)-1:2, \ + _n3##x = 3>=((img).width)?(int)((img).width)-1:3, \ + _n4##x = (int)( \ + (I[0] = I[1] = I[2] = I[3] = I[4] = (img)(0,_p4##y,z,v)), \ + (I[9] = I[10] = I[11] = I[12] = I[13] = (img)(0,_p3##y,z,v)), \ + (I[18] = I[19] = I[20] = I[21] = I[22] = (img)(0,_p2##y,z,v)), \ + (I[27] = I[28] = I[29] = I[30] = I[31] = (img)(0,_p1##y,z,v)), \ + (I[36] = I[37] = I[38] = I[39] = I[40] = (img)(0,y,z,v)), \ + (I[45] = I[46] = I[47] = I[48] = I[49] = (img)(0,_n1##y,z,v)), \ + (I[54] = I[55] = I[56] = I[57] = I[58] = (img)(0,_n2##y,z,v)), \ + (I[63] = I[64] = I[65] = I[66] = I[67] = (img)(0,_n3##y,z,v)), \ + (I[72] = I[73] = I[74] = I[75] = I[76] = (img)(0,_n4##y,z,v)), \ + (I[5] = (img)(_n1##x,_p4##y,z,v)), \ + (I[14] = (img)(_n1##x,_p3##y,z,v)), \ + (I[23] = (img)(_n1##x,_p2##y,z,v)), \ + (I[32] = (img)(_n1##x,_p1##y,z,v)), \ + (I[41] = (img)(_n1##x,y,z,v)), \ + (I[50] = (img)(_n1##x,_n1##y,z,v)), \ + (I[59] = (img)(_n1##x,_n2##y,z,v)), \ + (I[68] = (img)(_n1##x,_n3##y,z,v)), \ + (I[77] = (img)(_n1##x,_n4##y,z,v)), \ + (I[6] = (img)(_n2##x,_p4##y,z,v)), \ + (I[15] = (img)(_n2##x,_p3##y,z,v)), \ + (I[24] = (img)(_n2##x,_p2##y,z,v)), \ + (I[33] = (img)(_n2##x,_p1##y,z,v)), \ + (I[42] = (img)(_n2##x,y,z,v)), \ + (I[51] = (img)(_n2##x,_n1##y,z,v)), \ + (I[60] = (img)(_n2##x,_n2##y,z,v)), \ + (I[69] = (img)(_n2##x,_n3##y,z,v)), \ + (I[78] = (img)(_n2##x,_n4##y,z,v)), \ + (I[7] = (img)(_n3##x,_p4##y,z,v)), \ + (I[16] = (img)(_n3##x,_p3##y,z,v)), \ + (I[25] = (img)(_n3##x,_p2##y,z,v)), \ + (I[34] = (img)(_n3##x,_p1##y,z,v)), \ + (I[43] = (img)(_n3##x,y,z,v)), \ + (I[52] = (img)(_n3##x,_n1##y,z,v)), \ + (I[61] = (img)(_n3##x,_n2##y,z,v)), \ + (I[70] = (img)(_n3##x,_n3##y,z,v)), \ + (I[79] = (img)(_n3##x,_n4##y,z,v)), \ + 4>=((img).width)?(int)((img).width)-1:4); \ + (_n4##x<(int)((img).width) && ( \ + (I[8] = (img)(_n4##x,_p4##y,z,v)), \ + (I[17] = (img)(_n4##x,_p3##y,z,v)), \ + (I[26] = (img)(_n4##x,_p2##y,z,v)), \ + (I[35] = (img)(_n4##x,_p1##y,z,v)), \ + (I[44] = (img)(_n4##x,y,z,v)), \ + (I[53] = (img)(_n4##x,_n1##y,z,v)), \ + (I[62] = (img)(_n4##x,_n2##y,z,v)), \ + (I[71] = (img)(_n4##x,_n3##y,z,v)), \ + (I[80] = (img)(_n4##x,_n4##y,z,v)),1)) || \ + _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], I[7] = I[8], \ + I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], I[16] = I[17], \ + I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], I[24] = I[25], I[25] = I[26], \ + I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], I[34] = I[35], \ + I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], \ + I[45] = I[46], I[46] = I[47], I[47] = I[48], I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], \ + I[54] = I[55], I[55] = I[56], I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], \ + I[63] = I[64], I[64] = I[65], I[65] = I[66], I[66] = I[67], I[67] = I[68], I[68] = I[69], I[69] = I[70], I[70] = I[71], \ + I[72] = I[73], I[73] = I[74], I[74] = I[75], I[75] = I[76], I[76] = I[77], I[77] = I[78], I[78] = I[79], I[79] = I[80], \ + _p4##x = _p3##x, _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) + +#define cimg_for_in9x9(img,x0,y0,x1,y1,x,y,z,v,I) \ + cimg_for_in9((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _p4##x = x-4<0?0:x-4, \ + _p3##x = x-3<0?0:x-3, \ + _p2##x = x-2<0?0:x-2, \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = x+1>=(int)((img).width)?(int)((img).width)-1:x+1, \ + _n2##x = x+2>=(int)((img).width)?(int)((img).width)-1:x+2, \ + _n3##x = x+3>=(int)((img).width)?(int)((img).width)-1:x+3, \ + _n4##x = (int)( \ + (I[0] = (img)(_p4##x,_p4##y,z,v)), \ + (I[9] = (img)(_p4##x,_p3##y,z,v)), \ + (I[18] = (img)(_p4##x,_p2##y,z,v)), \ + (I[27] = (img)(_p4##x,_p1##y,z,v)), \ + (I[36] = (img)(_p4##x,y,z,v)), \ + (I[45] = (img)(_p4##x,_n1##y,z,v)), \ + (I[54] = (img)(_p4##x,_n2##y,z,v)), \ + (I[63] = (img)(_p4##x,_n3##y,z,v)), \ + (I[72] = (img)(_p4##x,_n4##y,z,v)), \ + (I[1] = (img)(_p3##x,_p4##y,z,v)), \ + (I[10] = (img)(_p3##x,_p3##y,z,v)), \ + (I[19] = (img)(_p3##x,_p2##y,z,v)), \ + (I[28] = (img)(_p3##x,_p1##y,z,v)), \ + (I[37] = (img)(_p3##x,y,z,v)), \ + (I[46] = (img)(_p3##x,_n1##y,z,v)), \ + (I[55] = (img)(_p3##x,_n2##y,z,v)), \ + (I[64] = (img)(_p3##x,_n3##y,z,v)), \ + (I[73] = (img)(_p3##x,_n4##y,z,v)), \ + (I[2] = (img)(_p2##x,_p4##y,z,v)), \ + (I[11] = (img)(_p2##x,_p3##y,z,v)), \ + (I[20] = (img)(_p2##x,_p2##y,z,v)), \ + (I[29] = (img)(_p2##x,_p1##y,z,v)), \ + (I[38] = (img)(_p2##x,y,z,v)), \ + (I[47] = (img)(_p2##x,_n1##y,z,v)), \ + (I[56] = (img)(_p2##x,_n2##y,z,v)), \ + (I[65] = (img)(_p2##x,_n3##y,z,v)), \ + (I[74] = (img)(_p2##x,_n4##y,z,v)), \ + (I[3] = (img)(_p1##x,_p4##y,z,v)), \ + (I[12] = (img)(_p1##x,_p3##y,z,v)), \ + (I[21] = (img)(_p1##x,_p2##y,z,v)), \ + (I[30] = (img)(_p1##x,_p1##y,z,v)), \ + (I[39] = (img)(_p1##x,y,z,v)), \ + (I[48] = (img)(_p1##x,_n1##y,z,v)), \ + (I[57] = (img)(_p1##x,_n2##y,z,v)), \ + (I[66] = (img)(_p1##x,_n3##y,z,v)), \ + (I[75] = (img)(_p1##x,_n4##y,z,v)), \ + (I[4] = (img)(x,_p4##y,z,v)), \ + (I[13] = (img)(x,_p3##y,z,v)), \ + (I[22] = (img)(x,_p2##y,z,v)), \ + (I[31] = (img)(x,_p1##y,z,v)), \ + (I[40] = (img)(x,y,z,v)), \ + (I[49] = (img)(x,_n1##y,z,v)), \ + (I[58] = (img)(x,_n2##y,z,v)), \ + (I[67] = (img)(x,_n3##y,z,v)), \ + (I[76] = (img)(x,_n4##y,z,v)), \ + (I[5] = (img)(_n1##x,_p4##y,z,v)), \ + (I[14] = (img)(_n1##x,_p3##y,z,v)), \ + (I[23] = (img)(_n1##x,_p2##y,z,v)), \ + (I[32] = (img)(_n1##x,_p1##y,z,v)), \ + (I[41] = (img)(_n1##x,y,z,v)), \ + (I[50] = (img)(_n1##x,_n1##y,z,v)), \ + (I[59] = (img)(_n1##x,_n2##y,z,v)), \ + (I[68] = (img)(_n1##x,_n3##y,z,v)), \ + (I[77] = (img)(_n1##x,_n4##y,z,v)), \ + (I[6] = (img)(_n2##x,_p4##y,z,v)), \ + (I[15] = (img)(_n2##x,_p3##y,z,v)), \ + (I[24] = (img)(_n2##x,_p2##y,z,v)), \ + (I[33] = (img)(_n2##x,_p1##y,z,v)), \ + (I[42] = (img)(_n2##x,y,z,v)), \ + (I[51] = (img)(_n2##x,_n1##y,z,v)), \ + (I[60] = (img)(_n2##x,_n2##y,z,v)), \ + (I[69] = (img)(_n2##x,_n3##y,z,v)), \ + (I[78] = (img)(_n2##x,_n4##y,z,v)), \ + (I[7] = (img)(_n3##x,_p4##y,z,v)), \ + (I[16] = (img)(_n3##x,_p3##y,z,v)), \ + (I[25] = (img)(_n3##x,_p2##y,z,v)), \ + (I[34] = (img)(_n3##x,_p1##y,z,v)), \ + (I[43] = (img)(_n3##x,y,z,v)), \ + (I[52] = (img)(_n3##x,_n1##y,z,v)), \ + (I[61] = (img)(_n3##x,_n2##y,z,v)), \ + (I[70] = (img)(_n3##x,_n3##y,z,v)), \ + (I[79] = (img)(_n3##x,_n4##y,z,v)), \ + x+4>=(int)((img).width)?(int)((img).width)-1:x+4); \ + x<=(int)(x1) && ((_n4##x<(int)((img).width) && ( \ + (I[8] = (img)(_n4##x,_p4##y,z,v)), \ + (I[17] = (img)(_n4##x,_p3##y,z,v)), \ + (I[26] = (img)(_n4##x,_p2##y,z,v)), \ + (I[35] = (img)(_n4##x,_p1##y,z,v)), \ + (I[44] = (img)(_n4##x,y,z,v)), \ + (I[53] = (img)(_n4##x,_n1##y,z,v)), \ + (I[62] = (img)(_n4##x,_n2##y,z,v)), \ + (I[71] = (img)(_n4##x,_n3##y,z,v)), \ + (I[80] = (img)(_n4##x,_n4##y,z,v)),1)) || \ + _n3##x==--_n4##x || _n2##x==--_n3##x || _n1##x==--_n2##x || x==(_n4##x = _n3##x = _n2##x = --_n1##x)); \ + I[0] = I[1], I[1] = I[2], I[2] = I[3], I[3] = I[4], I[4] = I[5], I[5] = I[6], I[6] = I[7], I[7] = I[8], \ + I[9] = I[10], I[10] = I[11], I[11] = I[12], I[12] = I[13], I[13] = I[14], I[14] = I[15], I[15] = I[16], I[16] = I[17], \ + I[18] = I[19], I[19] = I[20], I[20] = I[21], I[21] = I[22], I[22] = I[23], I[23] = I[24], I[24] = I[25], I[25] = I[26], \ + I[27] = I[28], I[28] = I[29], I[29] = I[30], I[30] = I[31], I[31] = I[32], I[32] = I[33], I[33] = I[34], I[34] = I[35], \ + I[36] = I[37], I[37] = I[38], I[38] = I[39], I[39] = I[40], I[40] = I[41], I[41] = I[42], I[42] = I[43], I[43] = I[44], \ + I[45] = I[46], I[46] = I[47], I[47] = I[48], I[48] = I[49], I[49] = I[50], I[50] = I[51], I[51] = I[52], I[52] = I[53], \ + I[54] = I[55], I[55] = I[56], I[56] = I[57], I[57] = I[58], I[58] = I[59], I[59] = I[60], I[60] = I[61], I[61] = I[62], \ + I[63] = I[64], I[64] = I[65], I[65] = I[66], I[66] = I[67], I[67] = I[68], I[68] = I[69], I[69] = I[70], I[70] = I[71], \ + I[72] = I[73], I[73] = I[74], I[74] = I[75], I[75] = I[76], I[76] = I[77], I[77] = I[78], I[78] = I[79], I[79] = I[80], \ + _p4##x = _p3##x, _p3##x = _p2##x, _p2##x = _p1##x, _p1##x = x++, ++_n1##x, ++_n2##x, ++_n3##x, ++_n4##x) + +#define cimg_for2x2x2(img,x,y,z,v,I) \ + cimg_for2((img).depth,z) cimg_for2((img).height,y) for (int x = 0, \ + _n1##x = (int)( \ + (I[0] = (img)(0,y,z,v)), \ + (I[2] = (img)(0,_n1##y,z,v)), \ + (I[4] = (img)(0,y,_n1##z,v)), \ + (I[6] = (img)(0,_n1##y,_n1##z,v)), \ + 1>=(img).width?(int)((img).width)-1:1); \ + (_n1##x<(int)((img).width) && ( \ + (I[1] = (img)(_n1##x,y,z,v)), \ + (I[3] = (img)(_n1##x,_n1##y,z,v)), \ + (I[5] = (img)(_n1##x,y,_n1##z,v)), \ + (I[7] = (img)(_n1##x,_n1##y,_n1##z,v)),1)) || \ + x==--_n1##x; \ + I[0] = I[1], I[2] = I[3], I[4] = I[5], I[6] = I[7], \ + ++x, ++_n1##x) + +#define cimg_for_in2x2x2(img,x0,y0,z0,x1,y1,z1,x,y,z,v,I) \ + cimg_for_in2((img).depth,z0,z1,z) cimg_for_in2((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _n1##x = (int)( \ + (I[0] = (img)(x,y,z,v)), \ + (I[2] = (img)(x,_n1##y,z,v)), \ + (I[4] = (img)(x,y,_n1##z,v)), \ + (I[6] = (img)(x,_n1##y,_n1##z,v)), \ + x+1>=(int)(img).width?(int)((img).width)-1:x+1); \ + x<=(int)(x1) && ((_n1##x<(int)((img).width) && ( \ + (I[1] = (img)(_n1##x,y,z,v)), \ + (I[3] = (img)(_n1##x,_n1##y,z,v)), \ + (I[5] = (img)(_n1##x,y,_n1##z,v)), \ + (I[7] = (img)(_n1##x,_n1##y,_n1##z,v)),1)) || \ + x==--_n1##x); \ + I[0] = I[1], I[2] = I[3], I[4] = I[5], I[6] = I[7], \ + ++x, ++_n1##x) + +#define cimg_for3x3x3(img,x,y,z,v,I) \ + cimg_for3((img).depth,z) cimg_for3((img).height,y) for (int x = 0, \ + _p1##x = 0, \ + _n1##x = (int)( \ + (I[0] = I[1] = (img)(0,_p1##y,_p1##z,v)), \ + (I[3] = I[4] = (img)(0,y,_p1##z,v)), \ + (I[6] = I[7] = (img)(0,_n1##y,_p1##z,v)), \ + (I[9] = I[10] = (img)(0,_p1##y,z,v)), \ + (I[12] = I[13] = (img)(0,y,z,v)), \ + (I[15] = I[16] = (img)(0,_n1##y,z,v)), \ + (I[18] = I[19] = (img)(0,_p1##y,_n1##z,v)), \ + (I[21] = I[22] = (img)(0,y,_n1##z,v)), \ + (I[24] = I[25] = (img)(0,_n1##y,_n1##z,v)), \ + 1>=(img).width?(int)((img).width)-1:1); \ + (_n1##x<(int)((img).width) && ( \ + (I[2] = (img)(_n1##x,_p1##y,_p1##z,v)), \ + (I[5] = (img)(_n1##x,y,_p1##z,v)), \ + (I[8] = (img)(_n1##x,_n1##y,_p1##z,v)), \ + (I[11] = (img)(_n1##x,_p1##y,z,v)), \ + (I[14] = (img)(_n1##x,y,z,v)), \ + (I[17] = (img)(_n1##x,_n1##y,z,v)), \ + (I[20] = (img)(_n1##x,_p1##y,_n1##z,v)), \ + (I[23] = (img)(_n1##x,y,_n1##z,v)), \ + (I[26] = (img)(_n1##x,_n1##y,_n1##z,v)),1)) || \ + x==--_n1##x; \ + I[0] = I[1], I[1] = I[2], I[3] = I[4], I[4] = I[5], I[6] = I[7], I[7] = I[8], \ + I[9] = I[10], I[10] = I[11], I[12] = I[13], I[13] = I[14], I[15] = I[16], I[16] = I[17], \ + I[18] = I[19], I[19] = I[20], I[21] = I[22], I[22] = I[23], I[24] = I[25], I[25] = I[26], \ + _p1##x = x++, ++_n1##x) + +#define cimg_for_in3x3x3(img,x0,y0,z0,x1,y1,z1,x,y,z,v,I) \ + cimg_for_in3((img).depth,z0,z1,z) cimg_for_in3((img).height,y0,y1,y) for (int x = (int)(x0)<0?0:(int)(x0), \ + _p1##x = x-1<0?0:x-1, \ + _n1##x = (int)( \ + (I[0] = (img)(_p1##x,_p1##y,_p1##z,v)), \ + (I[3] = (img)(_p1##x,y,_p1##z,v)), \ + (I[6] = (img)(_p1##x,_n1##y,_p1##z,v)), \ + (I[9] = (img)(_p1##x,_p1##y,z,v)), \ + (I[12] = (img)(_p1##x,y,z,v)), \ + (I[15] = (img)(_p1##x,_n1##y,z,v)), \ + (I[18] = (img)(_p1##x,_p1##y,_n1##z,v)), \ + (I[21] = (img)(_p1##x,y,_n1##z,v)), \ + (I[24] = (img)(_p1##x,_n1##y,_n1##z,v)), \ + (I[1] = (img)(x,_p1##y,_p1##z,v)), \ + (I[4] = (img)(x,y,_p1##z,v)), \ + (I[7] = (img)(x,_n1##y,_p1##z,v)), \ + (I[10] = (img)(x,_p1##y,z,v)), \ + (I[13] = (img)(x,y,z,v)), \ + (I[16] = (img)(x,_n1##y,z,v)), \ + (I[19] = (img)(x,_p1##y,_n1##z,v)), \ + (I[22] = (img)(x,y,_n1##z,v)), \ + (I[25] = (img)(x,_n1##y,_n1##z,v)), \ + x+1>=(int)(img).width?(int)((img).width)-1:x+1); \ + x<=(int)(x1) && ((_n1##x<(int)((img).width) && ( \ + (I[2] = (img)(_n1##x,_p1##y,_p1##z,v)), \ + (I[5] = (img)(_n1##x,y,_p1##z,v)), \ + (I[8] = (img)(_n1##x,_n1##y,_p1##z,v)), \ + (I[11] = (img)(_n1##x,_p1##y,z,v)), \ + (I[14] = (img)(_n1##x,y,z,v)), \ + (I[17] = (img)(_n1##x,_n1##y,z,v)), \ + (I[20] = (img)(_n1##x,_p1##y,_n1##z,v)), \ + (I[23] = (img)(_n1##x,y,_n1##z,v)), \ + (I[26] = (img)(_n1##x,_n1##y,_n1##z,v)),1)) || \ + x==--_n1##x); \ + I[0] = I[1], I[1] = I[2], I[3] = I[4], I[4] = I[5], I[6] = I[7], I[7] = I[8], \ + I[9] = I[10], I[10] = I[11], I[12] = I[13], I[13] = I[14], I[15] = I[16], I[16] = I[17], \ + I[18] = I[19], I[19] = I[20], I[21] = I[22], I[22] = I[23], I[24] = I[25], I[25] = I[26], \ + _p1##x = x++, ++_n1##x) + +/*------------------------------------------------ + # + # + # Definition of the cimg_library:: namespace + # + # + -------------------------------------------------*/ +//! This namespace encompasses all classes and functions of the %CImg library. +/** + This namespace is defined to avoid functions and class names collisions + that could happen with the include of other C++ header files. + Anyway, it should not happen often and you should reasonnably start most of your + %CImg-based programs with + \code + #include "CImg.h" + using namespace cimg_library; + \endcode + to simplify the declaration of %CImg Library variables afterwards. +**/ +namespace cimg_library { + + // Declare the only four classes of the CImg Library. + // + template<typename T=float> struct CImg; + template<typename T=float> struct CImgList; + struct CImgDisplay; + struct CImgException; + + // (Pre)declare the cimg namespace. + // This is not the complete namespace declaration. It only contains some + // necessary stuffs to ensure a correct declaration order of classes and functions + // defined afterwards. + // + namespace cimg { + +#ifdef cimg_use_vt100 + const char t_normal[] = { 0x1b,'[','0',';','0',';','0','m','\0' }; + const char t_red[] = { 0x1b,'[','4',';','3','1',';','5','9','m','\0' }; + const char t_bold[] = { 0x1b,'[','1','m','\0' }; + const char t_purple[] = { 0x1b,'[','0',';','3','5',';','5','9','m','\0' }; + const char t_green[] = { 0x1b,'[','0',';','3','2',';','5','9','m','\0' }; +#else + const char t_normal[] = { '\0' }; + const char *const t_red = cimg::t_normal, *const t_bold = cimg::t_normal, + *const t_purple = cimg::t_normal, *const t_green = cimg::t_normal; +#endif + + inline void info(); + + //! Get/set the current CImg exception mode. + /** + The way error messages are handled by CImg can be changed dynamically, using this function. + Possible values are : + - 0 to hide debug messages (quiet mode, but exceptions are still thrown). + - 1 to display debug messages on standard error (console). + - 2 to display debug messages in modal windows (default behavior). + - 3 to do as 1 + add extra warnings (may slow down the code !). + - 4 to do as 2 + add extra warnings (may slow down the code !). + **/ + inline unsigned int& exception_mode() { static unsigned int mode = cimg_debug; return mode; } + + inline int dialog(const char *title, const char *msg, const char *button1_txt="OK", + const char *button2_txt=0, const char *button3_txt=0, + const char *button4_txt=0, const char *button5_txt=0, + const char *button6_txt=0, const bool centering=false); + } + + /*---------------------------------------------- + # + # Definition of the CImgException structures + # + ----------------------------------------------*/ + //! Instances of this class are thrown when errors occur during a %CImg library function call. + /** + \section ex1 Overview + + CImgException is the base class of %CImg exceptions. + Exceptions are thrown by the %CImg Library when an error occured in a %CImg library function call. + CImgException is seldom thrown itself. Children classes that specify the kind of error encountered + are generally used instead. These sub-classes are : + + - \b CImgInstanceException : Thrown when the instance associated to the called %CImg function is not + correctly defined. Generally, this exception is thrown when one tries to process \a empty images. The example + below will throw a \a CImgInstanceException. + \code + CImg<float> img; // Construct an empty image. + img.blur(10); // Try to blur the image. + \endcode + + - \b CImgArgumentException : Thrown when one of the arguments given to the called %CImg function is not correct. + Generally, this exception is thrown when arguments passed to the function are outside an admissible range of values. + The example below will throw a \a CImgArgumentException. + \code + CImg<float> img(100,100,1,3); // Define a 100x100 color image with float pixels. + img = 0; // Try to fill pixels from the 0 pointer (invalid argument to operator=() ). + \endcode + + - \b CImgIOException : Thrown when an error occured when trying to load or save image files. + The example below will throw a \a CImgIOException. + \code + CImg<float> img("file_doesnt_exist.jpg"); // Try to load a file that doesn't exist. + \endcode + + - \b CImgDisplayException : Thrown when an error occured when trying to display an image in a window. + This exception is thrown when image display request cannot be satisfied. + + The parent class CImgException may be thrown itself when errors that cannot be classified in one of + the above type occur. It is recommended not to throw CImgExceptions yourself, since there are normally + reserved to %CImg Library functions. + \b CImgInstanceException, \b CImgArgumentException, \b CImgIOException and \b CImgDisplayException are simple + subclasses of CImgException and are thus not detailled more in this reference documentation. + + \section ex2 Exception handling + + When an error occurs, the %CImg Library first displays the error in a modal window. + Then, it throws an instance of the corresponding exception class, generally leading the program to stop + (this is the default behavior). + You can bypass this default behavior by handling the exceptions yourself, + using a code block <tt>try { ... } catch() { ... }</tt>. + In this case, you can avoid the apparition of the modal window, by + defining the environment variable <tt>cimg_debug</tt> to 0 before including the %CImg header file. + The example below shows how to cleanly handle %CImg Library exceptions : + \code + #define cimg_debug 0 // Disable modal window in CImg exceptions. + #define "CImg.h" + int main() { + try { + ...; // Here, do what you want. + } + catch (CImgInstanceException &e) { + std::fprintf(stderr,"CImg Library Error : %s",e.message); // Display your own error message + ... // Do what you want now. + } + } + \endcode + **/ + struct CImgException { +#define _cimg_exception_err(etype,disp_flag) \ + cimg_std::va_list ap; va_start(ap,format); cimg_std::vsprintf(message,format,ap); va_end(ap); \ + switch (cimg::exception_mode()) { \ + case 0 : break; \ + case 2 : case 4 : try { cimg::dialog(etype,message,"Abort"); } catch (CImgException&) { \ + cimg_std::fprintf(cimg_stdout,"\n%s# %s%s :\n%s\n\n",cimg::t_red,etype,cimg::t_normal,message); \ + } break; \ + default : cimg_std::fprintf(cimg_stdout,"\n%s# %s%s :\n%s\n\n",cimg::t_red,etype,cimg::t_normal,message); \ + } \ + if (cimg::exception_mode()>=3) cimg_library::cimg::info(); + + char message[1024]; //!< Message associated with the error that thrown the exception. + CImgException() { message[0]='\0'; } + CImgException(const char *format, ...) { _cimg_exception_err("CImgException",true); } + }; + + // The \ref CImgInstanceException class is used to throw an exception related + // to a non suitable instance encountered in a library function call. + struct CImgInstanceException: public CImgException { + CImgInstanceException(const char *format, ...) { _cimg_exception_err("CImgInstanceException",true); } + }; + + // The \ref CImgArgumentException class is used to throw an exception related + // to invalid arguments encountered in a library function call. + struct CImgArgumentException: public CImgException { + CImgArgumentException(const char *format, ...) { _cimg_exception_err("CImgArgumentException",true); } + }; + + // The \ref CImgIOException class is used to throw an exception related + // to Input/Output file problems encountered in a library function call. + struct CImgIOException: public CImgException { + CImgIOException(const char *format, ...) { _cimg_exception_err("CImgIOException",true); } + }; + + // The CImgDisplayException class is used to throw an exception related to display problems + // encountered in a library function call. + struct CImgDisplayException: public CImgException { + CImgDisplayException(const char *format, ...) { _cimg_exception_err("CImgDisplayException",false); } + }; + + // The CImgWarningException class is used to throw an exception for warnings + // encountered in a library function call. + struct CImgWarningException: public CImgException { + CImgWarningException(const char *format, ...) { _cimg_exception_err("CImgWarningException",false); } + }; + + /*------------------------------------- + # + # Definition of the namespace 'cimg' + # + --------------------------------------*/ + //! Namespace that encompasses \a low-level functions and variables of the %CImg Library. + /** + Most of the functions and variables within this namespace are used by the library for low-level processing. + Nevertheless, documented variables and functions of this namespace may be used safely in your own source code. + + \warning Never write <tt>using namespace cimg_library::cimg;</tt> in your source code, since a lot of functions of the + <tt>cimg::</tt> namespace have prototypes similar to standard C functions that could defined in the global namespace <tt>::</tt>. + **/ + namespace cimg { + + // Define the traits that will be used to determine the best data type to work with. + // + template<typename T> struct type { + static const char* string() { + static const char* s[] = { "unknown", "unknown8", "unknown16", "unknown24", + "unknown32", "unknown40", "unknown48", "unknown56", + "unknown64", "unknown72", "unknown80", "unknown88", + "unknown96", "unknown104", "unknown112", "unknown120", + "unknown128" }; + return s[(sizeof(T)<17)?sizeof(T):0]; + } + static bool is_float() { return false; } + static T min() { return (T)-1>0?(T)0:(T)-1<<(8*sizeof(T)-1); } + static T max() { return (T)-1>0?(T)-1:~((T)-1<<(8*sizeof(T)-1)); } + static const char* format() { return "%s"; } + static const char* format(const T val) { static const char *s = "unknown"; return s; } + }; + + template<> struct type<bool> { + static const char* string() { static const char *const s = "bool"; return s; } + static bool is_float() { return false; } + static bool min() { return false; } + static bool max() { return true; } + static const char* format() { return "%s"; } + static const char* format(const bool val) { static const char* s[] = { "false", "true" }; return s[val?1:0]; } + }; + + template<> struct type<unsigned char> { + static const char* string() { static const char *const s = "unsigned char"; return s; } + static bool is_float() { return false; } + static unsigned char min() { return 0; } + static unsigned char max() { return (unsigned char)~0U; } + static const char* format() { return "%u"; } + static unsigned int format(const unsigned char val) { return (unsigned int)val; } + }; + + template<> struct type<char> { + static const char* string() { static const char *const s = "char"; return s; } + static bool is_float() { return false; } + static char min() { return (char)(-1L<<(8*sizeof(char)-1)); } + static char max() { return ~((char)(-1L<<(8*sizeof(char)-1))); } + static const char* format() { return "%d"; } + static int format(const char val) { return (int)val; } + }; + + template<> struct type<signed char> { + static const char* string() { static const char *const s = "signed char"; return s; } + static bool is_float() { return false; } + static signed char min() { return (signed char)(-1L<<(8*sizeof(signed char)-1)); } + static signed char max() { return ~((signed char)(-1L<<(8*sizeof(signed char)-1))); } + static const char* format() { return "%d"; } + static unsigned int format(const signed char val) { return (int)val; } + }; + + template<> struct type<unsigned short> { + static const char* string() { static const char *const s = "unsigned short"; return s; } + static bool is_float() { return false; } + static unsigned short min() { return 0; } + static unsigned short max() { return (unsigned short)~0U; } + static const char* format() { return "%u"; } + static unsigned int format(const unsigned short val) { return (unsigned int)val; } + }; + + template<> struct type<short> { + static const char* string() { static const char *const s = "short"; return s; } + static bool is_float() { return false; } + static short min() { return (short)(-1L<<(8*sizeof(short)-1)); } + static short max() { return ~((short)(-1L<<(8*sizeof(short)-1))); } + static const char* format() { return "%d"; } + static int format(const short val) { return (int)val; } + }; + + template<> struct type<unsigned int> { + static const char* string() { static const char *const s = "unsigned int"; return s; } + static bool is_float() { return false; } + static unsigned int min() { return 0; } + static unsigned int max() { return (unsigned int)~0U; } + static const char* format() { return "%u"; } + static unsigned int format(const unsigned int val) { return val; } + }; + + template<> struct type<int> { + static const char* string() { static const char *const s = "int"; return s; } + static bool is_float() { return false; } + static int min() { return (int)(-1L<<(8*sizeof(int)-1)); } + static int max() { return ~((int)(-1L<<(8*sizeof(int)-1))); } + static const char* format() { return "%d"; } + static int format(const int val) { return val; } + }; + + template<> struct type<unsigned long> { + static const char* string() { static const char *const s = "unsigned long"; return s; } + static bool is_float() { return false; } + static unsigned long min() { return 0; } + static unsigned long max() { return (unsigned long)~0UL; } + static const char* format() { return "%lu"; } + static unsigned long format(const unsigned long val) { return val; } + }; + + template<> struct type<long> { + static const char* string() { static const char *const s = "long"; return s; } + static bool is_float() { return false; } + static long min() { return (long)(-1L<<(8*sizeof(long)-1)); } + static long max() { return ~((long)(-1L<<(8*sizeof(long)-1))); } + static const char* format() { return "%ld"; } + static long format(const long val) { return val; } + }; + + template<> struct type<float> { + static const char* string() { static const char *const s = "float"; return s; } + static bool is_float() { return true; } + static float min() { return -3.4E38f; } + static float max() { return 3.4E38f; } + static const char* format() { return "%g"; } + static double format(const float val) { return (double)val; } + }; + + template<> struct type<double> { + static const char* string() { static const char *const s = "double"; return s; } + static bool is_float() { return true; } + static double min() { return -1.7E308; } + static double max() { return 1.7E308; } + static const char* format() { return "%g"; } + static double format(const double val) { return val; } + }; + + template<typename T, typename t> struct superset { typedef T type; }; + template<> struct superset<bool,unsigned char> { typedef unsigned char type; }; + template<> struct superset<bool,char> { typedef char type; }; + template<> struct superset<bool,signed char> { typedef signed char type; }; + template<> struct superset<bool,unsigned short> { typedef unsigned short type; }; + template<> struct superset<bool,short> { typedef short type; }; + template<> struct superset<bool,unsigned int> { typedef unsigned int type; }; + template<> struct superset<bool,int> { typedef int type; }; + template<> struct superset<bool,unsigned long> { typedef unsigned long type; }; + template<> struct superset<bool,long> { typedef long type; }; + template<> struct superset<bool,float> { typedef float type; }; + template<> struct superset<bool,double> { typedef double type; }; + template<> struct superset<unsigned char,char> { typedef short type; }; + template<> struct superset<unsigned char,signed char> { typedef short type; }; + template<> struct superset<unsigned char,unsigned short> { typedef unsigned short type; }; + template<> struct superset<unsigned char,short> { typedef short type; }; + template<> struct superset<unsigned char,unsigned int> { typedef unsigned int type; }; + template<> struct superset<unsigned char,int> { typedef int type; }; + template<> struct superset<unsigned char,unsigned long> { typedef unsigned long type; }; + template<> struct superset<unsigned char,long> { typedef long type; }; + template<> struct superset<unsigned char,float> { typedef float type; }; + template<> struct superset<unsigned char,double> { typedef double type; }; + template<> struct superset<signed char,unsigned char> { typedef short type; }; + template<> struct superset<signed char,char> { typedef short type; }; + template<> struct superset<signed char,unsigned short> { typedef int type; }; + template<> struct superset<signed char,short> { typedef short type; }; + template<> struct superset<signed char,unsigned int> { typedef long type; }; + template<> struct superset<signed char,int> { typedef int type; }; + template<> struct superset<signed char,unsigned long> { typedef long type; }; + template<> struct superset<signed char,long> { typedef long type; }; + template<> struct superset<signed char,float> { typedef float type; }; + template<> struct superset<signed char,double> { typedef double type; }; + template<> struct superset<char,unsigned char> { typedef short type; }; + template<> struct superset<char,signed char> { typedef short type; }; + template<> struct superset<char,unsigned short> { typedef int type; }; + template<> struct superset<char,short> { typedef short type; }; + template<> struct superset<char,unsigned int> { typedef long type; }; + template<> struct superset<char,int> { typedef int type; }; + template<> struct superset<char,unsigned long> { typedef long type; }; + template<> struct superset<char,long> { typedef long type; }; + template<> struct superset<char,float> { typedef float type; }; + template<> struct superset<char,double> { typedef double type; }; + template<> struct superset<unsigned short,char> { typedef int type; }; + template<> struct superset<unsigned short,signed char> { typedef int type; }; + template<> struct superset<unsigned short,short> { typedef int type; }; + template<> struct superset<unsigned short,unsigned int> { typedef unsigned int type; }; + template<> struct superset<unsigned short,int> { typedef int type; }; + template<> struct superset<unsigned short,unsigned long> { typedef unsigned long type; }; + template<> struct superset<unsigned short,long> { typedef long type; }; + template<> struct superset<unsigned short,float> { typedef float type; }; + template<> struct superset<unsigned short,double> { typedef double type; }; + template<> struct superset<short,unsigned short> { typedef int type; }; + template<> struct superset<short,unsigned int> { typedef long type; }; + template<> struct superset<short,int> { typedef int type; }; + template<> struct superset<short,unsigned long> { typedef long type; }; + template<> struct superset<short,long> { typedef long type; }; + template<> struct superset<short,float> { typedef float type; }; + template<> struct superset<short,double> { typedef double type; }; + template<> struct superset<unsigned int,char> { typedef long type; }; + template<> struct superset<unsigned int,signed char> { typedef long type; }; + template<> struct superset<unsigned int,short> { typedef long type; }; + template<> struct superset<unsigned int,int> { typedef long type; }; + template<> struct superset<unsigned int,unsigned long> { typedef unsigned long type; }; + template<> struct superset<unsigned int,long> { typedef long type; }; + template<> struct superset<unsigned int,float> { typedef float type; }; + template<> struct superset<unsigned int,double> { typedef double type; }; + template<> struct superset<int,unsigned int> { typedef long type; }; + template<> struct superset<int,unsigned long> { typedef long type; }; + template<> struct superset<int,long> { typedef long type; }; + template<> struct superset<int,float> { typedef float type; }; + template<> struct superset<int,double> { typedef double type; }; + template<> struct superset<unsigned long,char> { typedef long type; }; + template<> struct superset<unsigned long,signed char> { typedef long type; }; + template<> struct superset<unsigned long,short> { typedef long type; }; + template<> struct superset<unsigned long,int> { typedef long type; }; + template<> struct superset<unsigned long,long> { typedef long type; }; + template<> struct superset<unsigned long,float> { typedef float type; }; + template<> struct superset<unsigned long,double> { typedef double type; }; + template<> struct superset<long,float> { typedef float type; }; + template<> struct superset<long,double> { typedef double type; }; + template<> struct superset<float,double> { typedef double type; }; + + template<typename t1, typename t2, typename t3> struct superset2 { + typedef typename superset<t1, typename superset<t2,t3>::type>::type type; + }; + + template<typename t1, typename t2, typename t3, typename t4> struct superset3 { + typedef typename superset<t1, typename superset2<t2,t3,t4>::type>::type type; + }; + + template<typename t1, typename t2> struct last { typedef t2 type; }; + +#define _cimg_Tuchar typename cimg::superset<T,unsigned char>::type +#define _cimg_Tint typename cimg::superset<T,int>::type +#define _cimg_Tfloat typename cimg::superset<T,float>::type +#define _cimg_Tdouble typename cimg::superset<T,double>::type +#define _cimg_Tt typename cimg::superset<T,t>::type + + // Define internal library variables. + // +#if cimg_display==1 + struct X11info { + volatile unsigned int nb_wins; + pthread_t* event_thread; + CImgDisplay* wins[1024]; + Display* display; + unsigned int nb_bits; + GC* gc; + bool blue_first; + bool byte_order; + bool shm_enabled; +#ifdef cimg_use_xrandr + XRRScreenSize *resolutions; + Rotation curr_rotation; + unsigned int curr_resolution; + unsigned int nb_resolutions; +#endif + X11info():nb_wins(0),event_thread(0),display(0), + nb_bits(0),gc(0),blue_first(false),byte_order(false),shm_enabled(false) { +#ifdef cimg_use_xrandr + resolutions = 0; + curr_rotation = 0; + curr_resolution = nb_resolutions = 0; +#endif + } + }; +#if defined(cimg_module) + X11info& X11attr(); +#elif defined(cimg_main) + X11info& X11attr() { static X11info val; return val; } +#else + inline X11info& X11attr() { static X11info val; return val; } +#endif + +#elif cimg_display==2 + struct Win32info { + HANDLE wait_event; + Win32info() { wait_event = CreateEvent(0,FALSE,FALSE,0); } + }; +#if defined(cimg_module) + Win32info& Win32attr(); +#elif defined(cimg_main) + Win32info& Win32attr() { static Win32info val; return val; } +#else + inline Win32info& Win32attr() { static Win32info val; return val; } +#endif + +#elif cimg_display==3 + struct CarbonInfo { + MPCriticalRegionID windowListCR; // Protects access to the list of windows + int windowCount; // Count of displays used on the screen + pthread_t event_thread; // The background event thread + MPSemaphoreID sync_event; // Event used to perform tasks synchronizations + MPSemaphoreID wait_event; // Event used to notify that new events occured on the display + MPQueueID com_queue; // The message queue + CarbonInfo(): windowCount(0),event_thread(0),sync_event(0),com_queue(0) { + if (MPCreateCriticalRegion(&windowListCR) != noErr) // Create the critical region + throw CImgDisplayException("MPCreateCriticalRegion failed."); + if (MPCreateSemaphore(1, 0, &sync_event) != noErr) // Create the inter-thread sync object + throw CImgDisplayException("MPCreateSemaphore failed."); + if (MPCreateSemaphore(1, 0, &wait_event) != noErr) // Create the event sync object + throw CImgDisplayException("MPCreateSemaphore failed."); + if (MPCreateQueue(&com_queue) != noErr) // Create the shared queue + throw CImgDisplayException("MPCreateQueue failed."); + } + ~CarbonInfo() { + if (event_thread != 0) { // Terminates the resident thread, if needed + pthread_cancel(event_thread); + pthread_join(event_thread, NULL); + event_thread = 0; + } + if (MPDeleteCriticalRegion(windowListCR) != noErr) // Delete the critical region + throw CImgDisplayException("MPDeleteCriticalRegion failed."); + if (MPDeleteSemaphore(wait_event) != noErr) // Delete the event sync event + throw CImgDisplayException("MPDeleteEvent failed."); + if (MPDeleteSemaphore(sync_event) != noErr) // Delete the inter-thread sync event + throw CImgDisplayException("MPDeleteEvent failed."); + if (MPDeleteQueue(com_queue) != noErr) // Delete the shared queue + throw CImgDisplayException("MPDeleteQueue failed."); + } + }; +#if defined(cimg_module) + CarbonInfo& CarbonAttr(); +#elif defined(cimg_main) + CarbonInfo CarbonAttr() { static CarbonInfo val; return val; } +#else + inline CarbonInfo& CarbonAttr() { static CarbonInfo val; return val; } +#endif +#endif + +#if cimg_display==1 + // Keycodes for X11-based graphical systems. + // + const unsigned int keyESC = XK_Escape; + const unsigned int keyF1 = XK_F1; + const unsigned int keyF2 = XK_F2; + const unsigned int keyF3 = XK_F3; + const unsigned int keyF4 = XK_F4; + const unsigned int keyF5 = XK_F5; + const unsigned int keyF6 = XK_F6; + const unsigned int keyF7 = XK_F7; + const unsigned int keyF8 = XK_F8; + const unsigned int keyF9 = XK_F9; + const unsigned int keyF10 = XK_F10; + const unsigned int keyF11 = XK_F11; + const unsigned int keyF12 = XK_F12; + const unsigned int keyPAUSE = XK_Pause; + const unsigned int key1 = XK_1; + const unsigned int key2 = XK_2; + const unsigned int key3 = XK_3; + const unsigned int key4 = XK_4; + const unsigned int key5 = XK_5; + const unsigned int key6 = XK_6; + const unsigned int key7 = XK_7; + const unsigned int key8 = XK_8; + const unsigned int key9 = XK_9; + const unsigned int key0 = XK_0; + const unsigned int keyBACKSPACE = XK_BackSpace; + const unsigned int keyINSERT = XK_Insert; + const unsigned int keyHOME = XK_Home; + const unsigned int keyPAGEUP = XK_Page_Up; + const unsigned int keyTAB = XK_Tab; + const unsigned int keyQ = XK_q; + const unsigned int keyW = XK_w; + const unsigned int keyE = XK_e; + const unsigned int keyR = XK_r; + const unsigned int keyT = XK_t; + const unsigned int keyY = XK_y; + const unsigned int keyU = XK_u; + const unsigned int keyI = XK_i; + const unsigned int keyO = XK_o; + const unsigned int keyP = XK_p; + const unsigned int keyDELETE = XK_Delete; + const unsigned int keyEND = XK_End; + const unsigned int keyPAGEDOWN = XK_Page_Down; + const unsigned int keyCAPSLOCK = XK_Caps_Lock; + const unsigned int keyA = XK_a; + const unsigned int keyS = XK_s; + const unsigned int keyD = XK_d; + const unsigned int keyF = XK_f; + const unsigned int keyG = XK_g; + const unsigned int keyH = XK_h; + const unsigned int keyJ = XK_j; + const unsigned int keyK = XK_k; + const unsigned int keyL = XK_l; + const unsigned int keyENTER = XK_Return; + const unsigned int keySHIFTLEFT = XK_Shift_L; + const unsigned int keyZ = XK_z; + const unsigned int keyX = XK_x; + const unsigned int keyC = XK_c; + const unsigned int keyV = XK_v; + const unsigned int keyB = XK_b; + const unsigned int keyN = XK_n; + const unsigned int keyM = XK_m; + const unsigned int keySHIFTRIGHT = XK_Shift_R; + const unsigned int keyARROWUP = XK_Up; + const unsigned int keyCTRLLEFT = XK_Control_L; + const unsigned int keyAPPLEFT = XK_Super_L; + const unsigned int keyALT = XK_Alt_L; + const unsigned int keySPACE = XK_space; + const unsigned int keyALTGR = XK_Alt_R; + const unsigned int keyAPPRIGHT = XK_Super_R; + const unsigned int keyMENU = XK_Menu; + const unsigned int keyCTRLRIGHT = XK_Control_R; + const unsigned int keyARROWLEFT = XK_Left; + const unsigned int keyARROWDOWN = XK_Down; + const unsigned int keyARROWRIGHT = XK_Right; + const unsigned int keyPAD0 = XK_KP_0; + const unsigned int keyPAD1 = XK_KP_1; + const unsigned int keyPAD2 = XK_KP_2; + const unsigned int keyPAD3 = XK_KP_3; + const unsigned int keyPAD4 = XK_KP_4; + const unsigned int keyPAD5 = XK_KP_5; + const unsigned int keyPAD6 = XK_KP_6; + const unsigned int keyPAD7 = XK_KP_7; + const unsigned int keyPAD8 = XK_KP_8; + const unsigned int keyPAD9 = XK_KP_9; + const unsigned int keyPADADD = XK_KP_Add; + const unsigned int keyPADSUB = XK_KP_Subtract; + const unsigned int keyPADMUL = XK_KP_Multiply; + const unsigned int keyPADDIV = XK_KP_Divide; + +#elif cimg_display==2 + // Keycodes for Windows. + // + const unsigned int keyESC = VK_ESCAPE; + const unsigned int keyF1 = VK_F1; + const unsigned int keyF2 = VK_F2; + const unsigned int keyF3 = VK_F3; + const unsigned int keyF4 = VK_F4; + const unsigned int keyF5 = VK_F5; + const unsigned int keyF6 = VK_F6; + const unsigned int keyF7 = VK_F7; + const unsigned int keyF8 = VK_F8; + const unsigned int keyF9 = VK_F9; + const unsigned int keyF10 = VK_F10; + const unsigned int keyF11 = VK_F11; + const unsigned int keyF12 = VK_F12; + const unsigned int keyPAUSE = VK_PAUSE; + const unsigned int key1 = '1'; + const unsigned int key2 = '2'; + const unsigned int key3 = '3'; + const unsigned int key4 = '4'; + const unsigned int key5 = '5'; + const unsigned int key6 = '6'; + const unsigned int key7 = '7'; + const unsigned int key8 = '8'; + const unsigned int key9 = '9'; + const unsigned int key0 = '0'; + const unsigned int keyBACKSPACE = VK_BACK; + const unsigned int keyINSERT = VK_INSERT; + const unsigned int keyHOME = VK_HOME; + const unsigned int keyPAGEUP = VK_PRIOR; + const unsigned int keyTAB = VK_TAB; + const unsigned int keyQ = 'Q'; + const unsigned int keyW = 'W'; + const unsigned int keyE = 'E'; + const unsigned int keyR = 'R'; + const unsigned int keyT = 'T'; + const unsigned int keyY = 'Y'; + const unsigned int keyU = 'U'; + const unsigned int keyI = 'I'; + const unsigned int keyO = 'O'; + const unsigned int keyP = 'P'; + const unsigned int keyDELETE = VK_DELETE; + const unsigned int keyEND = VK_END; + const unsigned int keyPAGEDOWN = VK_NEXT; + const unsigned int keyCAPSLOCK = VK_CAPITAL; + const unsigned int keyA = 'A'; + const unsigned int keyS = 'S'; + const unsigned int keyD = 'D'; + const unsigned int keyF = 'F'; + const unsigned int keyG = 'G'; + const unsigned int keyH = 'H'; + const unsigned int keyJ = 'J'; + const unsigned int keyK = 'K'; + const unsigned int keyL = 'L'; + const unsigned int keyENTER = VK_RETURN; + const unsigned int keySHIFTLEFT = VK_SHIFT; + const unsigned int keyZ = 'Z'; + const unsigned int keyX = 'X'; + const unsigned int keyC = 'C'; + const unsigned int keyV = 'V'; + const unsigned int keyB = 'B'; + const unsigned int keyN = 'N'; + const unsigned int keyM = 'M'; + const unsigned int keySHIFTRIGHT = VK_SHIFT; + const unsigned int keyARROWUP = VK_UP; + const unsigned int keyCTRLLEFT = VK_CONTROL; + const unsigned int keyAPPLEFT = VK_LWIN; + const unsigned int keyALT = VK_LMENU; + const unsigned int keySPACE = VK_SPACE; + const unsigned int keyALTGR = VK_CONTROL; + const unsigned int keyAPPRIGHT = VK_RWIN; + const unsigned int keyMENU = VK_APPS; + const unsigned int keyCTRLRIGHT = VK_CONTROL; + const unsigned int keyARROWLEFT = VK_LEFT; + const unsigned int keyARROWDOWN = VK_DOWN; + const unsigned int keyARROWRIGHT = VK_RIGHT; + const unsigned int keyPAD0 = 0x60; + const unsigned int keyPAD1 = 0x61; + const unsigned int keyPAD2 = 0x62; + const unsigned int keyPAD3 = 0x63; + const unsigned int keyPAD4 = 0x64; + const unsigned int keyPAD5 = 0x65; + const unsigned int keyPAD6 = 0x66; + const unsigned int keyPAD7 = 0x67; + const unsigned int keyPAD8 = 0x68; + const unsigned int keyPAD9 = 0x69; + const unsigned int keyPADADD = VK_ADD; + const unsigned int keyPADSUB = VK_SUBTRACT; + const unsigned int keyPADMUL = VK_MULTIPLY; + const unsigned int keyPADDIV = VK_DIVIDE; + +#elif cimg_display==3 + // Keycodes for MacOSX, when using the Carbon framework. + // + const unsigned int keyESC = kEscapeCharCode; + const unsigned int keyF1 = 2U; + const unsigned int keyF2 = 3U; + const unsigned int keyF3 = 4U; + const unsigned int keyF4 = 5U; + const unsigned int keyF5 = 6U; + const unsigned int keyF6 = 7U; + const unsigned int keyF7 = 8U; + const unsigned int keyF8 = 9U; + const unsigned int keyF9 = 10U; + const unsigned int keyF10 = 11U; + const unsigned int keyF11 = 12U; + const unsigned int keyF12 = 13U; + const unsigned int keyPAUSE = 14U; + const unsigned int key1 = '1'; + const unsigned int key2 = '2'; + const unsigned int key3 = '3'; + const unsigned int key4 = '4'; + const unsigned int key5 = '5'; + const unsigned int key6 = '6'; + const unsigned int key7 = '7'; + const unsigned int key8 = '8'; + const unsigned int key9 = '9'; + const unsigned int key0 = '0'; + const unsigned int keyBACKSPACE = kBackspaceCharCode; + const unsigned int keyINSERT = 26U; + const unsigned int keyHOME = kHomeCharCode; + const unsigned int keyPAGEUP = kPageUpCharCode; + const unsigned int keyTAB = kTabCharCode; + const unsigned int keyQ = 'q'; + const unsigned int keyW = 'w'; + const unsigned int keyE = 'e'; + const unsigned int keyR = 'r'; + const unsigned int keyT = 't'; + const unsigned int keyY = 'y'; + const unsigned int keyU = 'u'; + const unsigned int keyI = 'i'; + const unsigned int keyO = 'o'; + const unsigned int keyP = 'p'; + const unsigned int keyDELETE = kDeleteCharCode; + const unsigned int keyEND = kEndCharCode; + const unsigned int keyPAGEDOWN = kPageDownCharCode; + const unsigned int keyCAPSLOCK = 43U; + const unsigned int keyA = 'a'; + const unsigned int keyS = 's'; + const unsigned int keyD = 'd'; + const unsigned int keyF = 'f'; + const unsigned int keyG = 'g'; + const unsigned int keyH = 'h'; + const unsigned int keyJ = 'j'; + const unsigned int keyK = 'k'; + const unsigned int keyL = 'l'; + const unsigned int keyENTER = kEnterCharCode; + const unsigned int keySHIFTLEFT = 54U; //Macintosh modifier key, emulated + const unsigned int keyZ = 'z'; + const unsigned int keyX = 'x'; + const unsigned int keyC = 'c'; + const unsigned int keyV = 'v'; + const unsigned int keyB = 'b'; + const unsigned int keyN = 'n'; + const unsigned int keyM = 'm'; + const unsigned int keySHIFTRIGHT = 62U; //Macintosh modifier key, emulated + const unsigned int keyARROWUP = kUpArrowCharCode; + const unsigned int keyCTRLLEFT = 64U; //Macintosh modifier key, emulated + const unsigned int keyAPPLEFT = 65U; //Macintosh modifier key, emulated + const unsigned int keyALT = 66U; + const unsigned int keySPACE = kSpaceCharCode; + const unsigned int keyALTGR = 67U; //Macintosh modifier key, emulated + const unsigned int keyAPPRIGHT = 68U; //Aliased on keyAPPLEFT + const unsigned int keyMENU = 69U; + const unsigned int keyCTRLRIGHT = 70U; //Macintosh modifier key, emulated + const unsigned int keyARROWLEFT = kLeftArrowCharCode; + const unsigned int keyARROWDOWN = kDownArrowCharCode; + const unsigned int keyARROWRIGHT = kRightArrowCharCode; + const unsigned int keyPAD0 = 74U; + const unsigned int keyPAD1 = 75U; + const unsigned int keyPAD2 = 76U; + const unsigned int keyPAD3 = 77U; + const unsigned int keyPAD4 = 78U; + const unsigned int keyPAD5 = 79U; + const unsigned int keyPAD6 = 80U; + const unsigned int keyPAD7 = 81U; + const unsigned int keyPAD8 = 82U; + const unsigned int keyPAD9 = 83U; + const unsigned int keyPADADD = 84U; + const unsigned int keyPADSUB = 85U; + const unsigned int keyPADMUL = 86U; + const unsigned int keyPADDIV = 87U; + +#else + // Define unknow keycodes when no display are available. + // (should rarely be used then !). + // + const unsigned int keyESC = 1U; + const unsigned int keyF1 = 2U; + const unsigned int keyF2 = 3U; + const unsigned int keyF3 = 4U; + const unsigned int keyF4 = 5U; + const unsigned int keyF5 = 6U; + const unsigned int keyF6 = 7U; + const unsigned int keyF7 = 8U; + const unsigned int keyF8 = 9U; + const unsigned int keyF9 = 10U; + const unsigned int keyF10 = 11U; + const unsigned int keyF11 = 12U; + const unsigned int keyF12 = 13U; + const unsigned int keyPAUSE = 14U; + const unsigned int key1 = 15U; + const unsigned int key2 = 16U; + const unsigned int key3 = 17U; + const unsigned int key4 = 18U; + const unsigned int key5 = 19U; + const unsigned int key6 = 20U; + const unsigned int key7 = 21U; + const unsigned int key8 = 22U; + const unsigned int key9 = 23U; + const unsigned int key0 = 24U; + const unsigned int keyBACKSPACE = 25U; + const unsigned int keyINSERT = 26U; + const unsigned int keyHOME = 27U; + const unsigned int keyPAGEUP = 28U; + const unsigned int keyTAB = 29U; + const unsigned int keyQ = 30U; + const unsigned int keyW = 31U; + const unsigned int keyE = 32U; + const unsigned int keyR = 33U; + const unsigned int keyT = 34U; + const unsigned int keyY = 35U; + const unsigned int keyU = 36U; + const unsigned int keyI = 37U; + const unsigned int keyO = 38U; + const unsigned int keyP = 39U; + const unsigned int keyDELETE = 40U; + const unsigned int keyEND = 41U; + const unsigned int keyPAGEDOWN = 42U; + const unsigned int keyCAPSLOCK = 43U; + const unsigned int keyA = 44U; + const unsigned int keyS = 45U; + const unsigned int keyD = 46U; + const unsigned int keyF = 47U; + const unsigned int keyG = 48U; + const unsigned int keyH = 49U; + const unsigned int keyJ = 50U; + const unsigned int keyK = 51U; + const unsigned int keyL = 52U; + const unsigned int keyENTER = 53U; + const unsigned int keySHIFTLEFT = 54U; + const unsigned int keyZ = 55U; + const unsigned int keyX = 56U; + const unsigned int keyC = 57U; + const unsigned int keyV = 58U; + const unsigned int keyB = 59U; + const unsigned int keyN = 60U; + const unsigned int keyM = 61U; + const unsigned int keySHIFTRIGHT = 62U; + const unsigned int keyARROWUP = 63U; + const unsigned int keyCTRLLEFT = 64U; + const unsigned int keyAPPLEFT = 65U; + const unsigned int keyALT = 66U; + const unsigned int keySPACE = 67U; + const unsigned int keyALTGR = 68U; + const unsigned int keyAPPRIGHT = 69U; + const unsigned int keyMENU = 70U; + const unsigned int keyCTRLRIGHT = 71U; + const unsigned int keyARROWLEFT = 72U; + const unsigned int keyARROWDOWN = 73U; + const unsigned int keyARROWRIGHT = 74U; + const unsigned int keyPAD0 = 75U; + const unsigned int keyPAD1 = 76U; + const unsigned int keyPAD2 = 77U; + const unsigned int keyPAD3 = 78U; + const unsigned int keyPAD4 = 79U; + const unsigned int keyPAD5 = 80U; + const unsigned int keyPAD6 = 81U; + const unsigned int keyPAD7 = 82U; + const unsigned int keyPAD8 = 83U; + const unsigned int keyPAD9 = 84U; + const unsigned int keyPADADD = 85U; + const unsigned int keyPADSUB = 86U; + const unsigned int keyPADMUL = 87U; + const unsigned int keyPADDIV = 88U; +#endif + + const double valuePI = 3.14159265358979323846; //!< Definition of the mathematical constant PI + + // Definition of a 7x11 font, used to return a default font for drawing text. + const unsigned int font7x11[7*11*256/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x90,0x0,0x7f0000,0x40000,0x0,0x0,0x4010c0a4,0x82000040,0x11848402,0x18480050,0x80430292,0x8023,0x9008000, + 0x40218140,0x4000040,0x21800402,0x18000051,0x1060500,0x8083,0x10000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x24002,0x4031,0x80000000,0x10000, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7,0x81c0400,0x40020000,0x80070080,0x40440e00,0x0,0x0,0x1,0x88180000,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x200000,0x0,0x0,0x80000,0x0,0x0,0x20212140,0x5000020,0x22400204,0x240000a0,0x40848500,0x4044,0x80010038,0x20424285,0xa000020, + 0x42428204,0x2428e0a0,0x82090a14,0x4104,0x85022014,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10240a7,0x88484040,0x40800000,0x270c3,0x87811e0e, + 0x7c70e000,0x78,0x3c23c1ef,0x1f3e1e89,0xf1c44819,0xa23cf0f3,0xc3cff120,0xc18307f4,0x4040400,0x20000,0x80080080,0x40200,0x0, + 0x40000,0x2,0x8040000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8188,0x50603800,0xf3c00000,0x1c004003,0xc700003e,0x18180,0xc993880,0x10204081, + 0x2071ef9,0xf3e7cf9f,0x3e7c7911,0xe3c78f1e,0x7d1224,0x48906048,0x0,0x4000000,0x0,0x9000,0x0,0x0,0x2000,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x10240aa,0x14944080,0x23610000,0x68940,0x40831010,0x8891306,0x802044,0x44522208,0x90202088,0x40448819,0xb242890a,0x24011111, + 0x49448814,0x4040a00,0xe2c3c7,0x8e3f3cb9,0xc1c44216,0xee38b0f2,0xe78f9120,0xc18507e2,0x8040000,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x101c207,0x88a04001,0x9c00000,0x2200a041,0x8200113a,0x8240,0x50a3110,0x2850a142,0x850c2081,0x2040204,0x8104592,0x142850a1, + 0x42cd1224,0x4888bc48,0x70e1c387,0xe3b3c70,0xe1c38e1c,0x38707171,0xc3870e1c,0x10791224,0x48906c41,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x10003ee,0x15140080,0x21810000,0x48840,0x40851020,0x8911306,0x31fd804,0x9c522408,0x90204088,0x4045081a,0xba42890a,0x24011111, + 0x49285024,0x2041b00,0x132408,0x910844c8,0x4044821b,0x7244c913,0x24041111,0x49488822,0x8040000,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x28204,0x85006001,0x6a414000,0x3a004043,0xc700113a,0x8245,0x50a3a00,0x2850a142,0x850c4081,0x2040204,0x81045d2,0x142850a1, + 0x24951224,0x48852250,0x8102040,0x81054089,0x12244204,0x8108992,0x24489122,0x991224,0x4888b222,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x1000143,0xa988080,0x2147c01f,0x88840,0x83091c2c,0x1070f000,0xc000608,0xa48bc408,0x9e3c46f8,0x40460816,0xaa42f10b,0xc3811111, + 0x35102044,0x1041100,0xf22408,0x9f084488,0x40470212,0x62448912,0x6041111,0x55308846,0x8061c80,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x1028704,0x8f805801,0x4be28fdf,0x220001f0,0x111a,0x60000182,0x82c5c710,0x44891224,0x489640f1,0xe3c78204,0x810e552,0x142850a1, + 0x18a51224,0x48822250,0x78f1e3c7,0x8f1f40f9,0xf3e7c204,0x8108912,0x24489122,0x7ea91224,0x4888a222,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x10007e2,0x85648080,0x20010000,0x88841,0x8f8232,0x20881000,0xc1fc610,0xbefa2408,0x90204288,0x40450816,0xa642810a,0x4041110a, + 0x36282084,0x1042080,0x1122408,0x90084488,0x40450212,0x62448912,0x184110a,0x55305082,0x8042700,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x1028207,0x82004801,0x68050040,0x1c000040,0x110a,0x60000001,0x45484d10,0x7cf9f3e7,0xcf944081,0x2040204,0x8104532,0x142850a1, + 0x18a51224,0x48822248,0x89122448,0x91244081,0x2040204,0x8108912,0x24489122,0xc91224,0x48852214,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x282, + 0x89630080,0x20010c00,0x30108842,0x810222,0x20882306,0x3001800,0x408a2208,0x90202288,0x40448814,0xa642810a,0x2041110a,0x26442104, + 0x840000,0x1122408,0x90084488,0x40448212,0x62448912,0x84130a,0x36485102,0x8040000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x101c208,0x4f802801, + 0x8028040,0x40,0x130a,0x2,0x85e897a0,0x44891224,0x489c2081,0x2040204,0x8104532,0x142850a1,0x24cd1224,0x48823c44,0x89122448, + 0x91244081,0x2040204,0x8108912,0x24489122,0xc93264,0xc9852214,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x100028f,0x109f0080,0x20010c00, + 0x303071f3,0xc7011c1c,0x4071c306,0x802010,0x3907c1ef,0x1f201e89,0xf3844f90,0xa23c80f2,0x17810e04,0x228223f4,0x840000,0xfbc3c7, + 0x8f083c88,0x40444212,0x6238f0f2,0x7039d04,0x228423e2,0x8040000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1008780,0x2201800,0xf0014000,0x1f0, + 0x1d0a,0x5,0x851e140,0x83060c18,0x30671ef9,0xf3e7cf9f,0x3e7c7911,0xe3c78f1e,0x42f8e1c3,0x8702205c,0x7cf9f3e7,0xcf9b3c78,0xf1e3c204, + 0x8107111,0xc3870e1c,0x10f1d3a7,0x4e823c08,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x2,0x40,0x40000400,0x200000,0x0,0x2,0x0,0x0,0x0,0x0,0x18, + 0x0,0x4,0x44007f,0x0,0x400,0x400000,0x8010,0x0,0x6002,0x8040000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1000000,0x200800,0x0,0x0,0x100a, + 0x400000,0x44,0x0,0x400,0x0,0x0,0x0,0x0,0x0,0x0,0x800,0x0,0x0,0x0,0x0,0x62018,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x31,0x80000800, + 0x400000,0x0,0x4,0x0,0x0,0x0,0x0,0xc,0x0,0x7,0x3c0000,0x0,0x3800,0x3800000,0x8010,0x0,0x1c001,0x881c0000,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x207000,0x0,0x0,0x100a,0xc00000,0x3c,0x0,0xc00,0x0,0x0,0x0,0x0,0x0,0x0,0x1800,0x0,0x0,0x0,0x0,0x1c2070 + }; + + // Definition of a 10x13 font (used in dialog boxes). + const unsigned int font10x13[256*10*13/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80100c0, + 0x68000300,0x801,0xc00010,0x100c000,0x68100,0x100c0680,0x2,0x403000,0x1000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xfc,0x0,0x0,0x0,0x0,0x0,0x4020120, + 0x58120480,0x402,0x1205008,0x2012050,0x58080,0x20120581,0x40000001,0x804812,0x2000000,0x0,0x300,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x140,0x80000,0x200402,0x800000,0x10,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x7010,0x7000000,0x8000200,0x20000,0xc0002000,0x8008,0x0,0x0,0x0,0x0,0x808,0x4000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x80000000,0x0,0x0,0x0,0x40000,0x0,0x0,0x0,0x0,0x480,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x70,0x80100c0,0x68000480,0x1001, + 0xc00010,0x1018000,0x68100,0x100c0680,0x4,0x403000,0x1020000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20140,0x28081883,0x200801, + 0x2a00000,0x10,0x1c0201c0,0x70040f80,0xc0f81c07,0x0,0x70,0x3e0303c0,0x3c3c0f83,0xe03c2107,0xe08810,0x18c31070,0x3c0703c0, + 0x783e0842,0x22222208,0x83e04010,0x1008000,0x4000200,0x20001,0x2002,0x408008,0x0,0x0,0x100000,0x0,0x1008,0x2000000,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20080,0x38000880,0x8078140f,0x81c00000,0x3e000,0xc020180,0x60080001,0xe0000002,0xc00042,0x108e2010, + 0xc0300c0,0x300c0303,0xf83c3e0f,0x83e0f81c,0x701c070,0x3c0c41c0,0x701c0701,0xc0001d08,0x42108421,0x8820088,0x4020120,0x58140480, + 0x802,0x1205008,0x3014050,0xc058080,0x20120581,0x40000002,0x804814,0x2020050,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20140, + 0x281e2484,0x80200801,0x1c02000,0x10,0x22060220,0x880c0801,0x82208,0x80000001,0x20008,0x41030220,0x40220802,0x402102,0x209010, + 0x18c31088,0x22088220,0x80080842,0x22222208,0x80204010,0x1014000,0x200,0x20001,0x2000,0x8008,0x0,0x0,0x100000,0x0,0x1008, + 0x2000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80,0x40000500,0x80800010,0x40200000,0x41000,0x12020040,0x10000003,0xa0000006, + 0x12000c4,0x31014000,0xc0300c0,0x300c0302,0x80402008,0x2008008,0x2008020,0x220c4220,0x88220882,0x20002208,0x42108421,0x8820088, + 0x0,0x300,0x0,0x0,0x0,0x14000000,0x0,0x200200,0x0,0x20000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000,0xfc282504,0x80001000, + 0x82a02000,0x20,0x22020020,0x8140802,0x102208,0x80801006,0x18008,0x9c848220,0x80210802,0x802102,0x20a010,0x15429104,0x22104220, + 0x80080842,0x22221405,0x404008,0x1022000,0x703c0,0x381e0701,0xc0783c02,0xc09008,0x1d83c070,0x3c078140,0x381c0882,0x21242208, + 0x81e01008,0x2000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x201e0,0x40220500,0x80800027,0x20e02800,0x9c800,0x12020040, + 0x20000883,0xa0200002,0x120a044,0x11064010,0x12048120,0x48120484,0x80802008,0x2008008,0x2008020,0x210a4411,0x4411044,0x10884508, + 0x42108421,0x503c0b0,0x1c0701c0,0x701c0707,0x70381c07,0x1c07008,0x2008020,0x20f01c0,0x701c0701,0xc0201c08,0x82208822,0x883c088, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000,0x50281903,0x20001000,0x80802000,0x20,0x22020040,0x30240f03,0xc0101c08,0x80801018, + 0x1fc06010,0xa48483c0,0x80210f03,0xe0803f02,0x20c010,0x15429104,0x22104220,0x70080841,0x41540805,0x804008,0x1041000,0x8220, + 0x40220881,0x882202,0x40a008,0x12422088,0x22088180,0x40100882,0x21241408,0x80201008,0x2031000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x20280,0x401c0200,0x700028,0x21205000,0x92800,0xc1fc080,0x10000883,0xa0200002,0x1205049,0x12c19010,0x12048120,0x48120484, + 0xf0803c0f,0x3c0f008,0x2008020,0x790a4411,0x4411044,0x10504908,0x42108421,0x5022088,0x2008020,0x8020080,0x88402208,0x82208808, + 0x2008020,0x1e088220,0x88220882,0x20002608,0x82208822,0x8822088,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000,0x501c0264, + 0xa0001000,0x8001fc00,0x7000020,0x22020080,0x83e0082,0x20202207,0x80000020,0x1020,0xa4848220,0x80210802,0x9c2102,0x20c010, + 0x12425104,0x3c1043c0,0x8080841,0x41540802,0x804008,0x1000000,0x78220,0x40220f81,0x882202,0x40c008,0x12422088,0x22088100, + 0x60100881,0x41540805,0x406008,0x1849000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20280,0xf0140200,0x880028,0x20e0a03f,0x709c800, + 0x201c0,0x60000881,0xa0000007,0xc0284b,0x122eb020,0x12048120,0x48120487,0x80802008,0x2008008,0x2008020,0x21094411,0x4411044, + 0x10204908,0x42108421,0x2022088,0x1e0781e0,0x781e0787,0xf8403e0f,0x83e0f808,0x2008020,0x22088220,0x88220882,0x21fc2a08,0x82208822, + 0x5022050,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20001,0xf80a0294,0x40001000,0x80002000,0x20,0x22020100,0x8040082,0x20202200, + 0x80000018,0x1fc06020,0xa48fc220,0x80210802,0x842102,0x20a010,0x12425104,0x20104240,0x8080841,0x41541402,0x1004008,0x1000000, + 0x88220,0x40220801,0x882202,0x40a008,0x12422088,0x22088100,0x18100881,0x41540805,0x801008,0x2046000,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x20280,0x401c0f80,0x80880028,0x20005001,0x94800,0x20000,0x880,0xa0000000,0x5015,0x4215040,0x3f0fc3f0,0xfc3f0fc8, + 0x80802008,0x2008008,0x2008020,0x21094411,0x4411044,0x10505108,0x42108421,0x203c088,0x22088220,0x88220888,0x80402008,0x2008008, + 0x2008020,0x22088220,0x88220882,0x20002a08,0x82208822,0x5022050,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xa00a0494,0x60001000, + 0x80002004,0x8020,0x22020200,0x88040882,0x20402201,0x801006,0x18000,0x9f084220,0x40220802,0x442102,0x209010,0x10423088,0x20088220, + 0x8080840,0x80882202,0x2004008,0x1000000,0x88220,0x40220881,0x882202,0x409008,0x12422088,0x22088100,0x8100880,0x80881402, + 0x1001008,0x2000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20280,0x40220200,0x80700027,0x20002801,0x92800,0x1fc000,0x980, + 0xa0000000,0xa017,0x84417840,0x21084210,0x84210848,0x80402008,0x2008008,0x2008020,0x2208c220,0x88220882,0x20882208,0x42108421, + 0x2020088,0x22088220,0x88220888,0xc8402208,0x82208808,0x2008020,0x22088220,0x88220882,0x20203208,0x82208822,0x2022020,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000,0xa03c0463,0x90000801,0x2004,0x8040,0x1c0703e0,0x70040701,0xc0401c06,0x801001,0x20020, + 0x400843c0,0x3c3c0f82,0x3c2107,0x1c0881e,0x10423070,0x20070210,0xf0080780,0x80882202,0x3e04004,0x1000000,0x783c0,0x381e0701, + 0x782202,0x408808,0x12422070,0x3c078100,0x700c0780,0x80882202,0x1e01008,0x2000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x201e0, + 0xf8000200,0x80080010,0x40000001,0x41000,0x0,0xe80,0xa0000000,0x21,0x8e21038,0x21084210,0x84210848,0xf83c3e0f,0x83e0f81c, + 0x701c070,0x3c08c1c0,0x701c0701,0xc0005c07,0x81e0781e,0x20200b0,0x1e0781e0,0x781e0787,0x30381c07,0x1c07008,0x2008020,0x1c0881c0, + 0x701c0701,0xc0201c07,0x81e0781e,0x203c020,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80000,0x801,0x4,0x40,0x0,0x0,0x0,0x1000, + 0x0,0x3c000000,0x0,0x0,0x0,0x0,0x10000,0x0,0x0,0x4004,0x1000000,0x0,0x0,0x80000,0x400000,0x0,0x20008000,0x0,0x4,0x1008,0x2000000, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80,0x0,0x8008000f,0x80000000,0x3e000,0x0,0x800,0xa0000400,0x0,0x0,0x0,0x0,0x80000,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x100000,0x0,0x0,0x0,0x0,0x2000,0x0,0x4020040,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80000, + 0x402,0x8,0x40,0x0,0x0,0x0,0x2000,0x0,0x0,0x0,0x0,0x0,0x0,0xc000,0x0,0x0,0x7004,0x70000fc,0x0,0x0,0x700000,0x800000,0x0,0x20008000, + 0x0,0x4,0x808,0x4000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80,0x0,0x80f00000,0x0,0x0,0x0,0x800,0xa0001800,0x0,0x0,0x0,0x0, + 0x300000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x600000,0x0,0x0,0x0,0x0,0x0,0x0,0x4020040 + }; + + // Definition of a 8x17 font. + const unsigned int font8x17[8*17*256/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x2400,0x2400,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20081834,0x1c0000,0x20081800,0x20081800,0x342008, + 0x18340000,0x200818,0x80000,0x0,0x180000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4200000,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x380000,0x4000,0x2000c00,0x40100840,0x70000000,0x0,0x0,0x1c,0x10700000,0x7,0x0, + 0x1800,0x1800,0x0,0x0,0x0,0x14,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1010242c,0x14140000,0x10102414,0x10102414,0x2c1010,0x242c1400, + 0x101024,0x14100038,0x0,0x240000,0x0,0x0,0x30000000,0x0,0x0,0x4000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x12,0x0,0x8100000,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10,0x80000,0x10004000,0x2001000,0x40000040,0x10000000,0x0,0x0,0x10,0x10100000,0x4, + 0x0,0x18000000,0x0,0x0,0x0,0x34002400,0x2400,0x0,0x0,0x0,0x3c,0x0,0x8000000,0x0,0x60607800,0x0,0x140000,0x0,0x0,0x0,0x0,0x0, + 0x44,0x10081834,0x240000,0x10081800,0x10081800,0x1c341008,0x18340000,0x100818,0x84000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x102812, + 0x8601c10,0x8100800,0x2,0x1c383e3e,0x67e1e7f,0x3e3c0000,0x38,0x1e087e1e,0x7c7f7f1e,0x417c1c42,0x4063611c,0x7e1c7e3e,0xfe414181, + 0x63827f10,0x40081000,0x8004000,0x2001000,0x40000040,0x10000000,0x0,0x10000000,0x10,0x10100000,0x3c000008,0x0,0x24003e00, + 0x3f007f00,0x0,0x0,0x2ce91800,0x1882,0x10101c,0xc2103c,0x143c3c00,0x3c00,0x18003c3c,0x10001f00,0x181c00,0x20200810,0x8080808, + 0x8083e1e,0x7f7f7f7f,0x7c7c7c7c,0x7c611c1c,0x1c1c1c00,0x1e414141,0x41824044,0x810242c,0x14180000,0x8102414,0x8102414,0x382c0810, + 0x242c1400,0x81024,0x14104014,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x102816,0x3e902010,0x10084910,0x4,0x22084343,0xa402102,0x41620000, + 0x44,0x33144121,0x42404021,0x41100444,0x40636122,0x43224361,0x10416381,0x22440310,0x20082800,0x4000,0x2001000,0x40000040, + 0x10000000,0x0,0x10000000,0x10,0x10100000,0x24000008,0x0,0x606100,0x68000300,0x8106c,0x34000000,0x4f0000,0x44,0x101020,0x441040, + 0x420200,0x4200,0x24000404,0x7d00,0x82200,0x20203010,0x14141414,0x14082821,0x40404040,0x10101010,0x42612222,0x22222200,0x23414141, + 0x41447e48,0x0,0x0,0x0,0x0,0x4000000,0x18,0x0,0x4000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10287f,0x49902010,0x10083e10,0x4,0x41080101, + 0x1a404002,0x41411818,0x1004004,0x21144140,0x41404040,0x41100448,0x40555141,0x41414140,0x10412281,0x14280610,0x20084400,0x1c7c1c, + 0x3e3c7c3a,0x5c703844,0x107f5c3c,0x7c3e3c3c,0x7e424281,0x66427e10,0x10100000,0x40100008,0x1010,0xa04000,0x48100610,0x100c3024, + 0x24000000,0x4f3c00,0x2c107e28,0x3820,0x42281060,0x9d1e12,0xbd00,0x24100818,0x427d00,0x82248,0x20200800,0x14141414,0x14142840, + 0x40404040,0x10101010,0x41514141,0x41414142,0x43414141,0x41284350,0x1c1c1c1c,0x1c1c6c1c,0x3c3c3c3c,0x70707070,0x3c5c3c3c, + 0x3c3c3c18,0x3e424242,0x42427c42,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x102824,0x48623010,0x10081c10,0x8,0x41080103,0x127c5e04, + 0x41411818,0xe7f3808,0x4f144140,0x41404040,0x41100450,0x40555141,0x41414160,0x1041225a,0x1c280410,0x1008c600,0x226622,0x66661066, + 0x62100848,0x10496266,0x66663242,0x10426681,0x24220260,0x100c0000,0xf8280008,0x1010,0x606000,0x48280428,0x28042014,0x48000000, + 0x494200,0x52280228,0x105420,0x3cee1058,0xa12236,0xa500,0x18101004,0x427d00,0x8226c,0x76767e10,0x14141414,0x14142840,0x40404040, + 0x10101010,0x41514141,0x41414124,0x45414141,0x41284150,0x22222222,0x22221222,0x66666666,0x10101010,0x66626666,0x66666600, + 0x66424242,0x42226622,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x100024,0x381c4900,0x10086bfe,0x8,0x4908021c,0x22036304,0x3e630000, + 0x70000710,0x51227e40,0x417f7f43,0x7f100470,0x40554941,0x43417e3e,0x1041225a,0x8100810,0x10080000,0x24240,0x42421042,0x42100850, + 0x10494242,0x42422040,0x1042245a,0x18240410,0x10103900,0x407c003e,0x1818,0x1c3e10,0x4f7c087c,0x7c002010,0x48000000,0x4008, + 0x527c0410,0x105078,0x2410104c,0xa13e6c,0x7f00b900,0xfe3c3c,0x421d18,0x1c1c36,0x38383810,0x22222222,0x22144e40,0x7f7f7f7f, + 0x10101010,0xf1494141,0x41414118,0x49414141,0x4110435c,0x2020202,0x2021240,0x42424242,0x10101010,0x42424242,0x424242ff,0x4e424242, + 0x42244224,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1000fe,0xe664d00,0x10080810,0x380010,0x41080c03,0x42014108,0x633d0000,0x70000710, + 0x51224140,0x41404041,0x41100448,0x40494541,0x7e414203,0x1041145a,0x14101010,0x10080000,0x3e4240,0x427e1042,0x42100870,0x10494242, + 0x4242203c,0x1042245a,0x18241810,0x10104600,0xf8f60008,0x1010,0x600320,0x48f610f6,0xf6000000,0x187eff,0x3c04,0x5ef61810,0x105020, + 0x24fe0064,0x9d006c,0x138ad00,0x100000,0x420518,0x36,0xc0c0c020,0x22222222,0x22224840,0x40404040,0x10101010,0x41454141,0x41414118, + 0x51414141,0x41107e46,0x3e3e3e3e,0x3e3e7e40,0x7e7e7e7e,0x10101010,0x42424242,0x42424200,0x5a424242,0x42244224,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x28,0x9094500,0x10080010,0x10,0x41081801,0x7f014118,0x41010000,0xe7f3800,0x513e4140,0x41404041,0x41100444, + 0x40414541,0x40414101,0x10411466,0x36103010,0x8080000,0x424240,0x42401042,0x42100848,0x10494242,0x42422002,0x10423c5a,0x18142010, + 0x10100000,0x407c0010,0x1010,0x260140,0x487c307c,0x7c000000,0x180000,0x202,0x507c2010,0x105020,0x3c10003c,0x423e36,0x1004200, + 0x100000,0x420500,0x3e6c,0x41e0440,0x3e3e3e3e,0x3e3e7840,0x40404040,0x10101010,0x41454141,0x41414124,0x61414141,0x41104042, + 0x42424242,0x42425040,0x40404040,0x10101010,0x42424242,0x42424218,0x72424242,0x42144214,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x100048, + 0x49096200,0x8100010,0x18001810,0x22082043,0x2432310,0x61421818,0x1004010,0x4f634121,0x42404021,0x41104444,0x40414322,0x40234143, + 0x10411466,0x22106010,0x8080000,0x466622,0x66621066,0x42100844,0x10494266,0x66662042,0x10461824,0x24184010,0x10100000,0x24381010, + 0x34001018,0xda4320,0x68386038,0x38000000,0x0,0x4204,0x50384010,0x105420,0x4210100c,0x3c0012,0x3c00,0x0,0x460500,0x48,0xc020c44, + 0x63636363,0x63228821,0x40404040,0x10101010,0x42432222,0x22222242,0x62414141,0x41104042,0x46464646,0x46465022,0x62626262, + 0x10101010,0x66426666,0x66666618,0x66464646,0x46186618,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x100048,0x3e063d00,0x8100000,0x18001820, + 0x1c3e7f3e,0x23c1e20,0x3e3c1818,0x10,0x20417e1e,0x7c7f401e,0x417c3842,0x7f41431c,0x401e40be,0x103e0866,0x41107f10,0x4080000, + 0x3a5c1c,0x3a3c103a,0x427c0842,0xe49423c,0x7c3e203c,0xe3a1824,0x66087e10,0x10100000,0x3c103010,0x245a1010,0x5a3e10,0x3f107f10, + 0x10000000,0x0,0x3c08,0x2e107e10,0x1038fc,0x101004,0x0,0x0,0xfe0000,0x7f0500,0x0,0x14041438,0x41414141,0x41418e1e,0x7f7f7f7f, + 0x7c7c7c7c,0x7c431c1c,0x1c1c1c00,0xbc3e3e3e,0x3e10405c,0x3a3a3a3a,0x3a3a6e1c,0x3c3c3c3c,0x7c7c7c7c,0x3c423c3c,0x3c3c3c00, + 0x7c3a3a3a,0x3a087c08,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8000000,0x4200000,0x10000020,0x0,0x0,0x10,0x0,0x30000000,0x0, + 0x0,0x0,0x60000,0x0,0x1c,0x4380000,0x0,0x2,0x800,0x0,0x40020000,0x0,0x8000c,0x10600000,0x2010,0x48000000,0x240000,0x0,0x0, + 0x0,0x0,0x0,0x1000,0x1078,0x0,0x0,0x0,0x400500,0x0,0x1e081e00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x84008,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8000000,0x0,0x20000040,0x0,0x0,0x20,0x0,0x1e000000,0x0,0x0,0x0,0x20000,0x0, + 0x0,0x2000000,0x0,0x26,0x800,0x0,0x40020000,0x0,0x100000,0x10000000,0x2030,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1000,0x1000,0x0, + 0x0,0x0,0x400000,0x8000000,0x41e0400,0x0,0x4,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4,0x0,0x0,0x0,0x0,0x0,0x104010,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xfe,0x0,0x1c,0x7000,0x0,0x40020000,0x0,0x300000, + 0x0,0xe0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1000,0x0,0x0,0x0,0x400000,0x38000000,0x0,0x0,0x1c,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x1c,0x0,0x0,0x0,0x0,0x0,0x304030,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0 }; + + // Definition of a 10x19 font. + const unsigned int font10x19[10*19*256/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3600000,0x36000,0x0,0x0,0x0,0x0,0x6c,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x180181c0,0xe81b0300,0x1801,0x81c06c18,0x181c06c,0xe8180,0x181c0e81,0xb0000006,0x60701b,0x1800000,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c00000,0x1c000,0x0,0x0,0x0,0x0,0x6c,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0xc030360,0xb81b0480,0xc03,0x3606c0c,0x303606c,0xb80c0,0x30360b81,0xb0000003,0xc0d81b,0x3000000,0x0, + 0x300,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x30000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x800,0x0,0x0,0x0,0x0,0x0,0x2200000, + 0x22000,0x0,0x0,0x0,0x0,0x0,0x0,0x30000,0x0,0xe0,0x38078000,0x0,0x480,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3000c080,0x480,0x3000, + 0xc0800030,0xc08000,0x300,0xc080000,0xc,0x302000,0xc00000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20120,0x41c01,0xe020060c, + 0x800000,0x4,0x1e0703e0,0xf8060fc1,0xe1fe1e07,0x80000000,0x78,0x307e0,0x3c7c1fe7,0xf83c408f,0x80f10440,0x18660878,0x7e0787e0, + 0x78ff9024,0xa0140a0,0x27f83840,0x700e000,0x18000400,0x8000,0x70004002,0x410078,0x0,0x0,0x0,0x0,0x1808,0xc000000,0xf000000, + 0xe000000,0x1400,0x1e0001f,0x8007f800,0x0,0x0,0x3a3b,0x61400000,0x14202,0x20000,0x38002020,0x3c1b00,0x3e00000,0xf8,0x1c0001c0, + 0x78060001,0xf800000e,0x1e00020,0x8004020,0xc0300c0,0x300c0301,0xf83c7f9f,0xe7f9fe3e,0xf83e0f8,0x7c1821e0,0x781e0781,0xe0001f10, + 0x24090240,0xa02400f8,0x18018140,0xe81b0480,0x1801,0x81406c18,0x181406c,0x190e8180,0x18140e81,0xb0000006,0x60501b,0x184006c, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20120,0x26042202,0x200c06,0x800000,0x8,0x210d0611,0x40e0803,0x10026188,0x40000000, + 0x8c,0xf030418,0xc6431004,0xc64082,0x110840,0x18660884,0x41084410,0x8c081024,0xa012110,0x40082020,0x101b000,0xc000400,0x8000, + 0x80004002,0x410008,0x0,0x0,0x100000,0x0,0x2008,0x2000000,0x18800000,0x10000000,0x2200,0x2300024,0x800,0x0,0x0,0x2e13,0x60800000, + 0x8104,0x20040,0x64001040,0x80401b07,0x80100000,0x1e000,0x22000020,0x40c0003,0xc8000002,0x3300020,0x8004020,0xc0300c0,0x300c0301, + 0x40c64010,0x4010008,0x2008020,0x43182210,0x84210842,0x10002190,0x24090240,0x9044018c,0xc030220,0xb81b0300,0xc03,0x2206c0c, + 0x302206c,0x1e0b80c0,0x30220b81,0xb0000003,0xc0881b,0x304006c,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20120,0x241f2202, + 0x200802,0x4900000,0x8,0x21010408,0x20a0802,0x44090,0x20000000,0x4,0x11878408,0x80411004,0x804082,0x111040,0x1ce50986,0x40986409, + 0x81022,0x12012108,0x80102020,0x1031800,0x400,0x8000,0x80004000,0x10008,0x0,0x0,0x100000,0x0,0x2008,0x2000000,0x10000000, + 0x10000000,0x18,0x4000044,0x1000,0x30180,0xd81b0000,0x13,0xe0000000,0x88,0x40,0x400018c0,0x80400018,0x61f00000,0x61800,0x22020020, + 0x4000007,0xc8000002,0x2100020,0x8038000,0x1e0781e0,0x781e0301,0x40804010,0x4010008,0x2008020,0x41142619,0x86619866,0x18002190, + 0x24090240,0x8887e104,0x0,0x0,0x0,0x0,0x0,0x2000000,0x0,0x0,0x0,0x40000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20120,0x2434a202, + 0x200802,0x3e00000,0x10,0x40810008,0x21a0804,0x44090,0x20000000,0x80040004,0x20848409,0x409004,0x1004082,0x112040,0x14a50902, + 0x40902409,0x81022,0x11321208,0x80202010,0x1060c00,0x7c5e0,0x781e8783,0xf07a5f0e,0x1c10808,0xfc5f078,0x5e07a170,0x7c7e1024, + 0xa016190,0x27f82008,0x2000000,0x20000000,0x10000000,0x80200024,0x4000044,0x2000,0x18180,0xc8320000,0x12,0xa1f00037,0x7f888, + 0x1e0,0x40410880,0x80600017,0xa2100000,0x5e800,0x22020040,0x38001027,0xc8000002,0x2100020,0x8004020,0x12048120,0x48120482, + 0x41004010,0x4010008,0x2008020,0x40942409,0x2409024,0x9044390,0x24090240,0x88841918,0x1f07c1f0,0x7c1f07c3,0x70781e07,0x81e07838, + 0xe0380e0,0x1f17c1e0,0x781e0781,0xe0001f90,0x24090240,0x9025e102,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20001,0xff241c41, + 0x1001,0x1c02000,0x10,0x40810008,0x6120f85,0xe0086190,0x20c03007,0x8007800c,0x27848419,0x409004,0x1004082,0x114040,0x14a48902, + 0x40902409,0x81022,0x11321205,0x602010,0x1000000,0x86610,0x84218840,0x80866182,0x411008,0x9261884,0x61086189,0x82101022,0x12012108, + 0x40082008,0x2000000,0x20030000,0x20000000,0x80200024,0x4000044,0x3006030,0xc018100,0x4c260000,0x12,0x26080048,0x83000850, + 0x20250,0x403e0500,0x8078002c,0x12302200,0x92400,0x1c0200c0,0x4001027,0xc8000002,0x3308820,0x8004020,0x12048120,0x48120482, + 0x41004010,0x4010008,0x2008020,0x40922409,0x2409024,0x8884690,0x24090240,0x85040920,0x21886218,0x86218860,0x88842108,0x42108408, + 0x2008020,0x21186210,0x84210842,0x10302190,0x24090240,0x88461084,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000,0x4c240182, + 0x80001001,0x6b02000,0x20,0x4c810010,0x78220846,0x10081e10,0x20c0301c,0x1fe0e018,0x4d8487e1,0x409fe7,0xf9007f82,0x11a040, + 0x13248902,0x41102418,0xe0081022,0x11320c05,0x402008,0x1000000,0x2409,0x409020,0x81024082,0x412008,0x9240902,0x40902101,0x101022, + 0x11321208,0x40102008,0x2000000,0x7e0c8000,0xfc000003,0xf0fc0018,0x43802047,0x8c8040c8,0x32008300,0x44240000,0x0,0x4000048, + 0x8c801050,0x20440,0x40221dc0,0x808c0028,0x11d0667f,0x8009c400,0x1fc180,0x4001023,0xc8300002,0x1e0ccfb,0x3ec7b020,0x12048120, + 0x48120482,0x79007f9f,0xe7f9fe08,0x2008020,0xf0922409,0x2409024,0x8504490,0x24090240,0x85040920,0x802008,0x2008020,0x89004090, + 0x24090208,0x2008020,0x40902409,0x2409024,0x8304390,0x24090240,0x88440884,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000, + 0x481c0606,0xc8001001,0x802000,0x20,0x4c810020,0x4220024,0x8102108,0x60000070,0x3820,0x48884419,0x409004,0x10e4082,0x112040, + 0x13244902,0x7e1027e0,0x3c081021,0x21320c02,0x802008,0x1000000,0x7e409,0x409020,0x81024082,0x414008,0x9240902,0x40902101, + 0x80101022,0x11320c08,0x40202008,0x2038800,0x200bc000,0x20000000,0x80200003,0x80f04044,0xbc080bc,0x2f000200,0x0,0x0,0x6001048, + 0x8bc02020,0x20441,0xf8220200,0x80820028,0x1000cc00,0x80094400,0x201e0,0x78001021,0xc830000f,0x8000663c,0xf03c0c0,0x21084210, + 0x84210846,0x41004010,0x4010008,0x2008020,0x40912409,0x2409024,0x8204890,0x24090240,0x82040930,0x1f87e1f8,0x7e1f87e0,0x89004090, + 0x24090208,0x2008020,0x40902409,0x2409024,0x8004690,0x24090240,0x88440884,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000, + 0x480719c4,0x48001001,0x81fc00,0x7800020,0x40810040,0x2420024,0x8104087,0xa0000070,0x3820,0x48884409,0x409004,0x1024082,0x111040, + 0x13244902,0x40102410,0x2081021,0x214a1202,0x1802008,0x1000000,0x182409,0x409fe0,0x81024082,0x41a008,0x9240902,0x40902100, + 0xf8101021,0x214a0c04,0x80c0c008,0x1847000,0x7c1ee000,0x20000000,0x8020000c,0x8c044,0x1ee181ee,0x7b800000,0x707,0xf3ff0000, + 0x3e0084f,0x9ee0c020,0x20440,0x40221fc0,0xc2002c,0x13f11000,0x87892400,0x20000,0x1020,0x48000000,0x3f011c6,0x31cc6180,0x21084210, + 0x84210844,0x41004010,0x4010008,0x2008020,0x40912409,0x2409024,0x8505090,0x24090240,0x8204191c,0x60982609,0x82609823,0xf9007f9f, + 0xe7f9fe08,0x2008020,0x40902409,0x2409024,0x9fe4c90,0x24090240,0x84840848,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3,0xfe048224, + 0x28001001,0x2000,0x40,0x40810080,0x27f8024,0x8104080,0x2000001c,0x1fe0e020,0x488fc409,0x409004,0x1024082,0x110840,0x10242902, + 0x40102408,0x2081021,0x214a1202,0x1002004,0x1000000,0x102409,0x409000,0x81024082,0x411008,0x9240902,0x40902100,0x6101021, + 0x214a0c04,0x81002008,0x2000000,0x201dc000,0x20000000,0x80200000,0x98044,0x1dc101dc,0x77000000,0x700,0x0,0x180448,0x1dc10020, + 0x20440,0x403e0200,0x620017,0xa000cc00,0x80052800,0x20000,0x1020,0x48000000,0x6606,0x206100,0x3f0fc3f0,0xfc3f0fc7,0xc1004010, + 0x4010008,0x2008020,0x4090a409,0x2409024,0x8886090,0x24090240,0x8207e106,0x40902409,0x2409024,0x81004010,0x4010008,0x2008020, + 0x40902409,0x2409024,0x8005890,0x24090240,0x84840848,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x98048224,0x30001001,0x2000, + 0x40,0x21010100,0x2020024,0x8204080,0x40000007,0x80078000,0x48884408,0x80411004,0x824082,0x110840,0x10242986,0x40086409,0x2081021, + 0xe14a2102,0x2002004,0x1000000,0x106409,0x409000,0x81024082,0x410808,0x9240902,0x40902100,0x2101021,0x214a1202,0x82002008, + 0x2000000,0x300f8000,0x20000000,0x80fc001d,0xe4088044,0xf8200f8,0x3e000000,0x300,0x0,0x80c48,0xf820020,0x20640,0x40410200, + 0x803c0018,0x60006600,0x61800,0x0,0x1020,0x48000000,0xcc0a,0x20a100,0x21084210,0x84210844,0x40804010,0x4010008,0x2008020, + 0x4110a619,0x86619866,0x19046110,0x24090240,0x82040102,0x41906419,0x6419064,0x81004010,0x4010008,0x2008020,0x40902409,0x2409024, + 0x8307090,0x24090240,0x82840828,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20000,0x90248222,0x30000802,0x200c,0xc080,0x21010301, + 0x4021042,0x10202108,0xc0c03000,0x80040020,0x4d902418,0xc6431004,0xc24082,0x6210440,0x10241884,0x40084409,0x86080840,0xc0842102, + 0x4002002,0x1000000,0x18e610,0x84218820,0x80864082,0x410408,0x9240884,0x61086101,0x6101860,0xc0842103,0x4002008,0x2000000, + 0x10850180,0x20330000,0x80200013,0x26184024,0x5040050,0x14000000,0x0,0x0,0x4180848,0x85040020,0x20350,0x40000200,0x800c0007, + 0x80002200,0x1e000,0x0,0x1860,0x48000000,0x880a,0x40a188,0x40902409,0x2409028,0x40c64010,0x4010008,0x2008020,0x43106210,0x84210842, + 0x10006108,0x42108421,0x2040102,0x6398e639,0x8e6398e4,0x88842088,0x22088208,0x2008020,0x21102210,0x84210842,0x10306118,0x66198661, + 0x83061030,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x20001,0x901f01c1,0xe8000802,0xc,0xc080,0x1e07c7f8,0xf8020f81,0xe0401e07, + 0x80c03000,0x20,0x279027e0,0x3c7c1fe4,0x3c408f,0x83c1027f,0x90241878,0x4007c404,0xf8080780,0xc0844082,0x7f82002,0x1000000, + 0xfa5e0,0x781e87c0,0x807a409f,0xc0410207,0x9240878,0x5e07a100,0xf80e0fa0,0xc0846183,0x7f82008,0x2000000,0xf020100,0x40321360, + 0x80200014,0xa3e0201f,0x8207f820,0x8000000,0x0,0x0,0x3e01037,0x207f820,0x201e1,0xfc000200,0x80040000,0x0,0x0,0x1fc000,0x17b0, + 0x48000000,0x12,0xc120f0,0x40902409,0x2409028,0x783c7f9f,0xe7f9fe3e,0xf83e0f8,0x7c1061e0,0x781e0781,0xe000be07,0x81e0781e, + 0x204017c,0x3e8fa3e8,0xfa3e8fa3,0x70781f07,0xc1f07c7f,0x1fc7f1fc,0x1e1021e0,0x781e0781,0xe0007e0f,0xa3e8fa3e,0x8305e030,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x40000,0xc06,0xc,0x100,0x0,0x0,0x0,0x3000,0x0,0x20000000,0x0,0x0,0x0,0x0,0xc000, + 0x0,0x0,0x2001,0x1000000,0x0,0x0,0x20000,0x400000,0x0,0x40002000,0x0,0x1,0x2008,0x2000000,0x100,0x40240000,0x80200008,0x40000000, + 0x0,0x0,0x0,0x0,0x0,0x0,0x40,0x0,0x80040000,0x0,0x0,0x0,0x1000,0x48000000,0x1f,0x181f000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1040010,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x40000,0x60c,0x18,0x0, + 0x0,0x0,0x0,0x6000,0x0,0x10000000,0x0,0x0,0x0,0x0,0x4000,0x0,0x0,0x3800,0x7000000,0x0,0x0,0x840000,0x400000,0x0,0x40002000, + 0x0,0x2,0x2008,0x2000000,0x200,0x40440000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x40,0x0,0x80780000,0x0,0x0,0x0,0x1000,0x48000400, + 0x2,0x1e02000,0x0,0x0,0x80000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80000,0x0,0x0,0x0,0x0,0x0,0x0,0x2040020,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10,0x0,0x0,0x0,0x0,0x4000,0x0,0xf000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x780000,0x3800000,0x0,0x40002000,0x0,0xe,0x1808,0xc000000,0x3,0x80000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x80000000, + 0x0,0x0,0x0,0x1000,0x1c00,0x0,0x0,0x0,0x0,0x380000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x380000,0x0,0x0,0x0,0x0,0x0,0x0,0xe0400e0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3fc, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0 }; + + // Definition of a 12x24 font. + const unsigned int font12x24[12*24*256/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x19,0x80000000,0x198000,0x0,0x0,0x0,0x0, + 0x0,0x198,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc001806,0xc81980,0x60000000,0xc001806,0x1980c00,0x18060198,0xc80c, + 0x180600,0xc8198000,0xc001,0x80601980,0x18000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xf,0x0,0xf0000,0x0,0x0,0x0,0x0,0x0,0x198,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x600300f,0x1301980,0x90000000,0x600300f,0x1980600,0x300f0198,0x13006,0x300f01,0x30198000,0x6003, + 0xf01980,0x30000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x6,0x0,0x60000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7007,0x3c0000,0x3006019, + 0x80000000,0x90000000,0x3006019,0x80000300,0x60198000,0x3,0x601980,0x0,0x3006,0x1980000,0x60000000,0x0,0x0,0xe0000000,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x18000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000000, + 0x0,0x0,0x0,0x0,0x0,0xc800019,0x80000000,0x198000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc0,0x0,0x0,0x1001,0x420000,0x0,0x0,0x90000000, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x18000c06,0xc80001,0x10000000,0x18000c06,0x1800,0xc060000,0xc818,0xc0600,0xc8000000, + 0x18000,0xc0600000,0xc000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6019,0x80660207,0x800f8060,0x300c004,0x0,0x6, + 0xe00703f,0x3f00383,0xf80f07fc,0x1f01f000,0x0,0xf8,0x607f,0x7c7e07,0xfe7fe0f8,0x6063fc1f,0x86066007,0xe7060f0,0x7f80f07f, + 0x81f8fff6,0x6606c03,0x70ee077f,0xe0786000,0xf0070000,0xc000060,0xc0,0x3e000,0x60006003,0x600fc00,0x0,0x0,0x0,0x0,0x0,0x3c0603, + 0xc0000000,0x7800000,0xf0000,0x0,0xf00001f,0x80001fe0,0x7fe000,0x0,0x0,0x0,0x168fe609,0x0,0x90e07,0x6000,0x3c000e,0x70000f8, + 0x1980001f,0x0,0x1f8,0xf00000f,0xf00180,0xfe000,0xe00e,0x1001,0x20060,0x6006006,0x600600,0x600fe07c,0x7fe7fe7f,0xe7fe3fc3, + 0xfc3fc3fc,0x7e07060f,0xf00f00,0xf00f0000,0xf360660,0x6606606e,0x76001e0,0xc00180f,0x1681981,0x10000000,0xc00180f,0x1980c00, + 0x180f0198,0x3801680c,0x180f01,0x68198000,0xc001,0x80f01980,0x18600198,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6019, + 0x8044020c,0xc01f8060,0x2004004,0x0,0xc,0x3f81f07f,0x87f80383,0xf81f87fc,0x3f83f800,0x0,0x1fc,0x780607f,0x81fe7f87,0xfe7fe1fc, + 0x6063fc1f,0x860c6007,0xe7061f8,0x7fc1f87f,0xc3fcfff6,0x6606c03,0x30c6067f,0xe0783000,0xf00d8000,0x6000060,0xc0,0x7e000,0x60006003, + 0x600fc00,0x0,0x0,0xc00,0x0,0x0,0x7c0603,0xe0000000,0xfc00000,0x1f0000,0x0,0x900003f,0xc0003fe0,0x7fe000,0x0,0x0,0x0,0x1302660f, + 0x0,0xf0606,0x6004,0x7e0006,0x60601f8,0x19800001,0x80000000,0x1f8,0x19800010,0x81080300,0x3f2000,0x2011,0x1001,0x1c0060,0x6006006, + 0x600600,0x601fe1fe,0x7fe7fe7f,0xe7fe3fc3,0xfc3fc3fc,0x7f87061f,0x81f81f81,0xf81f8000,0x3fa60660,0x66066066,0x66003f0,0x6003009, + 0x1301981,0x10000000,0x6003009,0x1980600,0x30090198,0x1f013006,0x300901,0x30198000,0x6003,0x901980,0x30600198,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6019,0x80cc0f8c,0xc0180060,0x6006044,0x40000000,0xc,0x3181b041,0xc41c0783,0x388018, + 0x71c71800,0x0,0x106,0x18c0f061,0xc38261c6,0x600384,0x60606001,0x86186007,0xe78630c,0x60e30c60,0xe7040606,0x630cc03,0x39c30c00, + 0xc0603000,0x3018c000,0x3000060,0xc0,0x60000,0x60000000,0x6000c00,0x0,0x0,0xc00,0x0,0x0,0x600600,0x60000000,0x18400000,0x180000, + 0x0,0x19800070,0x40003600,0xc000,0x0,0x0,0x0,0x25a06,0x0,0x6030c,0x4,0xe20007,0xe060180,0xf000,0x80000000,0xf0000,0x10800000, + 0x80080600,0x7f2000,0x2020,0x80001001,0x20000,0xf00f00f,0xf00f00,0x601b0382,0x60060060,0x6000600,0x60060060,0x61c78630,0xc30c30c3, + 0xc30c000,0x30e60660,0x66066063,0xc600738,0x3006019,0x80000000,0xe0000000,0x3006019,0x80000300,0x60198000,0x3e000003,0x601980, + 0x0,0x3006,0x1980000,0x60600000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6019,0x80cc1fcc,0xc0180060,0x6006035,0x80000000, + 0x18,0x71c03000,0xc00c0583,0x300018,0x60c60c00,0x0,0x6,0x3060f060,0xc30060c6,0x600300,0x60606001,0x86306007,0x9e78670e,0x60670e60, + 0x66000606,0x630c606,0x19830c01,0xc0601800,0x30306000,0x60,0xc0,0x60000,0x60000000,0x6000c00,0x0,0x0,0xc00,0x0,0x0,0x600600, + 0x60000000,0x18000000,0x300000,0x0,0x78060,0x6600,0x1c000,0x300c,0x39819c0,0x0,0x25a00,0x0,0x30c,0x4,0xc00003,0xc060180,0x30c1f, + 0x80000000,0x30c000,0x10800001,0x80700000,0x7f2000,0x2020,0x80001001,0x20060,0xf00f00f,0xf00f00,0xf01b0300,0x60060060,0x6000600, + 0x60060060,0x60c78670,0xe70e70e7,0xe70e000,0x70c60660,0x66066063,0xc7f8618,0x0,0x0,0x0,0x0,0x0,0x0,0x7000000,0x0,0x0,0x0, + 0x0,0x600000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6019,0x87ff3a4c,0xc0180060,0x400600e,0x600000,0x18,0x60c03000, + 0xc00c0d83,0x700018,0x60c60c00,0x20,0x400006,0x3060f060,0xc6006066,0x600600,0x60606001,0x86606006,0x966c6606,0x60660660,0x66000606, + 0x630c666,0xf019801,0x80601800,0x30603000,0x1f06f,0xf01ec0,0xf03fe1ec,0x6703e01f,0x61c0c06,0xdc6701f0,0x6f01ec0c,0xe1f87fc6, + 0xc60cc03,0x71c60c7f,0xc0600600,0x60000000,0x30000000,0x300000,0x40040,0x88060,0x6600,0x18000,0x300c,0x1981980,0x0,0x2421f, + 0x80003ce0,0x7fc198,0x601f,0xc02021,0x980600c0,0x40230,0x80000000,0x402000,0x19806003,0x80006,0xc7f2000,0x2020,0x80001001, + 0x420060,0xf00f00f,0xf00f00,0xf01b0600,0x60060060,0x6000600,0x60060060,0x6066c660,0x66066066,0x6606208,0x60e60660,0x66066061, + 0x987fc670,0x1f01f01f,0x1f01f01,0xf039c0f0,0xf00f00f,0xf03e03,0xe03e03e0,0x1f06701f,0x1f01f01,0xf01f0060,0x1e660c60,0xc60c60c6, + 0xc6f060c,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0x7ff3207,0x8c0c0000,0xc00300e,0x600000,0x30,0x60c03000, + 0xc01c0983,0xf0600030,0x31860c06,0x6001e0,0x78000e,0x23e1f861,0xc6006066,0x600600,0x60606001,0x86c06006,0x966c6606,0x60660660, + 0xe7000606,0x630c666,0xf01f803,0x600c00,0x30000000,0x3f87f,0x83f83fc3,0xf83fe3fc,0x7f83e01f,0x6380c07,0xfe7f83f8,0x7f83fc0d, + 0xf3fc7fc6,0xc71cc03,0x3183187f,0xc0600600,0x60000000,0xff806000,0x300000,0x40040,0x88070,0x6600,0x60030060,0x6001818,0x1883180, + 0x0,0x2423f,0xc0007ff0,0x607fc1f8,0x603f,0x80c01fc1,0xf80601e0,0x5f220,0x80420000,0x5f2000,0xf006006,0x80006,0xc7f2000,0x2020, + 0x82107c07,0xc03c0060,0x1f81f81f,0x81f81f80,0xf03b0600,0x60060060,0x6000600,0x60060060,0x6066c660,0x66066066,0x660671c,0x61660660, + 0x66066061,0xf860e6c0,0x3f83f83f,0x83f83f83,0xf87fe3f8,0x3f83f83f,0x83f83e03,0xe03e03e0,0x3f87f83f,0x83f83f83,0xf83f8060, + 0x3fc60c60,0xc60c60c3,0x187f8318,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0x883200,0x300c0000,0xc003035,0x80600000, + 0x30,0x66c03001,0xc0f81983,0xf86f0030,0x1f071c06,0x600787,0xfe1e001c,0x6261987f,0x86006067,0xfe7fc600,0x7fe06001,0x87c06006, + 0xf6646606,0x60e6067f,0xc3e00606,0x61986f6,0x600f007,0x600c00,0x30000000,0x21c71,0x830831c3,0x1c06031c,0x71c06003,0x6700c06, + 0x6671c318,0x71831c0f,0x16040c06,0xc318606,0x1b031803,0x80600600,0x60000000,0x30009000,0x300000,0x40040,0x7003e,0x67e0,0x90070090, + 0x9001818,0x8c3100,0x0,0x60,0x4000e730,0x900380f0,0x6034,0x80c018c7,0xfe060338,0xb0121,0x80c60000,0x909000,0x6008,0x1080006, + 0xc3f2000,0x2011,0x3180060,0x60060e0,0x19819819,0x81981981,0x9833c600,0x7fe7fe7f,0xe7fe0600,0x60060060,0x60664660,0x66066066, + 0x66063b8,0x62660660,0x66066060,0xf06066c0,0x21c21c21,0xc21c21c2,0x1c466308,0x31c31c31,0xc31c0600,0x60060060,0x31871c31,0x83183183, + 0x18318000,0x71860c60,0xc60c60c3,0x18718318,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0x1981a00,0xe03e0000,0xc003044, + 0x40600000,0x60,0x66c03001,0x80f03182,0x1c7f8030,0x3f83fc06,0x601e07,0xfe078038,0x6661987f,0x86006067,0xfe7fc61e,0x7fe06001, + 0x87e06006,0x66666606,0x7fc6067f,0x81f80606,0x61986f6,0x6006006,0x600600,0x30000000,0xc60,0xc60060c6,0xc06060c,0x60c06003, + 0x6e00c06,0x6660c60c,0x60c60c0e,0x6000c06,0xc318666,0x1f031803,0x600600,0x603c2000,0x30016800,0x1fe0000,0x1f81f8,0x1c1f,0x804067e1, + 0x68060168,0x16800810,0xc42300,0x0,0x60,0x20c331,0x68030060,0x6064,0x3fc1040,0xf006031c,0xa011e,0x818c7fe0,0x909000,0x7fe1f, + 0x80f00006,0xc0f2060,0xf80e,0x18c0780,0x780781c0,0x19819819,0x81981981,0x9833c600,0x7fe7fe7f,0xe7fe0600,0x60060060,0xfc666660, + 0x66066066,0x66061f0,0x66660660,0x66066060,0x606066e0,0xc00c00,0xc00c00c0,0xc066600,0x60c60c60,0xc60c0600,0x60060060,0x60c60c60, + 0xc60c60c6,0xc60c000,0x61c60c60,0xc60c60c3,0x1860c318,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0x1980f81,0x80373000, + 0xc003004,0x7fe0001,0xf0000060,0x60c03003,0x183180,0xc71c060,0x3181ec00,0x7000,0xe070,0x66619860,0xc6006066,0x60061e,0x60606001, + 0x87606006,0x66626606,0x7f860661,0xc01c0606,0x6198696,0xf00600e,0x600600,0x30000000,0x1fc60,0xc60060c7,0xfc06060c,0x60c06003, + 0x7c00c06,0x6660c60c,0x60c60c0c,0x7f00c06,0xc3b8666,0xe01b007,0x3c00600,0x3c7fe000,0xff03ec00,0x1fe0000,0x40040,0xe001,0xc0806603, + 0xec0e03ec,0x3ec00010,0x0,0x60000000,0x7f,0x10c3f3,0xec070060,0x6064,0x3fc1040,0x6000030c,0xa0100,0x3187fe1,0xf09f1000,0x7fe00, + 0x6,0xc012060,0x0,0xc63c03,0xc03c0380,0x19819819,0x81981981,0x98330600,0x60060060,0x6000600,0x60060060,0xfc662660,0x66066066, + 0x66060e0,0x6c660660,0x66066060,0x6060e630,0x1fc1fc1f,0xc1fc1fc1,0xfc3fe600,0x7fc7fc7f,0xc7fc0600,0x60060060,0x60c60c60,0xc60c60c6, + 0xc60c7fe,0x62c60c60,0xc60c60c1,0xb060c1b0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0xffe02c6,0x3c633000,0xc003004, + 0x7fe0001,0xf00000c0,0x60c03006,0xc6180,0xc60c060,0x60c00c00,0x7000,0xe060,0x66639c60,0x66006066,0x600606,0x60606001,0x86306006, + 0x66636606,0x60060660,0xc0060606,0x61f8696,0xf00600c,0x600300,0x30000000,0x3fc60,0xc60060c7,0xfc06060c,0x60c06003,0x7c00c06, + 0x6660c60c,0x60c60c0c,0x1f80c06,0xc1b0666,0xe01b00e,0x3c00600,0x3c43c000,0x3007de00,0x600000,0x40040,0x30000,0x61006607,0xde0c07de, + 0x7de00000,0x0,0xf07fefff,0x1f,0x8008c3f7,0xde0e0060,0x6064,0xc01047,0xfe00018c,0xb013f,0x86300061,0xf0911000,0x6000,0x6, + 0xc012060,0x3f,0x8063c0cc,0x3cc0c700,0x39c39c39,0xc39c39c1,0x98630600,0x60060060,0x6000600,0x60060060,0x60663660,0x66066066, + 0x66061f0,0x78660660,0x66066060,0x607fc618,0x3fc3fc3f,0xc3fc3fc3,0xfc7fe600,0x7fc7fc7f,0xc7fc0600,0x60060060,0x60c60c60,0xc60c60c6, + 0xc60c7fe,0x64c60c60,0xc60c60c1,0xb060c1b0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0xffe0260,0x6661b000,0xc003000, + 0x600000,0xc0,0x60c0300c,0xc7fe0,0xc60c060,0x60c01c00,0x1e07,0xfe078060,0x6663fc60,0x66006066,0x600606,0x60606001,0x86386006, + 0x6636606,0x60060660,0xe0060606,0x60f039c,0x1b806018,0x600300,0x30000000,0x70c60,0xc60060c6,0x6060c,0x60c06003,0x7600c06, + 0x6660c60c,0x60c60c0c,0x1c0c06,0xc1b03fc,0xe01f01c,0xe00600,0x70000000,0x3007fc00,0x600000,0x40040,0x0,0x62006607,0xfc1807fc, + 0x7fc00000,0x0,0xf0000000,0x1,0xc004c307,0xfc1c0060,0x6064,0xc018c0,0x600000d8,0x5f200,0x3180060,0x50a000,0x6000,0x6,0xc012000, + 0x0,0xc601c0,0x4201c600,0x3fc3fc3f,0xc3fc3fc3,0xfc7f0600,0x60060060,0x6000600,0x60060060,0x60663660,0x66066066,0x66063b8, + 0x70660660,0x66066060,0x607f860c,0x70c70c70,0xc70c70c7,0xcc60600,0x60060060,0x6000600,0x60060060,0x60c60c60,0xc60c60c6,0xc60c000, + 0x68c60c60,0xc60c60c1,0xf060c1f0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3300260,0x6661e000,0xc003000,0x600000, + 0x180,0x71c03018,0xc7fe0,0xc60c0c0,0x60c01800,0x787,0xfe1e0060,0x6663fc60,0x630060c6,0x600306,0x60606001,0x86186006,0x661e70e, + 0x60070c60,0x60060606,0x60f039c,0x19806038,0x600180,0x30000000,0x60c60,0xc60060c6,0x6060c,0x60c06003,0x6700c06,0x6660c60c, + 0x60c60c0c,0xc0c06,0xc1b039c,0x1f00e018,0x600600,0x60000000,0x1803f800,0x600000,0x40040,0x39e00,0x63006603,0xf83803f8,0x3f800000, + 0x0,0x60000000,0x0,0xc00cc303,0xf8180060,0x6064,0xc01fc0,0x60060070,0x40200,0x18c0060,0x402000,0x6000,0x6,0xc012000,0x0,0x18c0140, + 0x2014600,0x3fc3fc3f,0xc3fc3fc3,0xfc7f0300,0x60060060,0x6000600,0x60060060,0x60c61e70,0xe70e70e7,0xe70e71c,0x60e60660,0x66066060, + 0x6060060c,0x60c60c60,0xc60c60c6,0xcc60600,0x60060060,0x6000600,0x60060060,0x60c60c60,0xc60c60c6,0xc60c000,0x70c60c60,0xc60c60c0, + 0xe060c0e0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x33022e0,0x6670c000,0xc003000,0x600600,0x60180,0x31803030, + 0x41c0184,0x1831c0c0,0x71c23806,0x6001e0,0x780000,0x62630c60,0xe38261c6,0x600386,0x60606043,0x860c6006,0x661e30c,0x60030c60, + 0x740e0607,0xe0f039c,0x31c06030,0x600180,0x30000000,0x61c71,0x830831c3,0x406031c,0x60c06003,0x6300c06,0x6660c318,0x71831c0c, + 0x41c0c07,0x1c0e039c,0x1b00e030,0x600600,0x60000000,0x1c41b00e,0x601cc0,0x401f8,0x45240,0xe1803601,0xb03001b0,0x1b000000, + 0x0,0x0,0x41,0xc008e711,0xb0300060,0x6034,0x80c02020,0x60060030,0x30c00,0xc60000,0x30c000,0x0,0x7,0x1c012000,0x0,0x3180240, + 0x6024608,0x30c30c30,0xc30c30c3,0xc630382,0x60060060,0x6000600,0x60060060,0x61c61e30,0xc30c30c3,0xc30c208,0x70c70e70,0xe70e70e0, + 0x6060068c,0x61c61c61,0xc61c61c6,0x1cc62308,0x30430430,0x43040600,0x60060060,0x31860c31,0x83183183,0x18318060,0x31c71c71, + 0xc71c71c0,0xe07180e0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0x2203fc0,0x663f6000,0x6006000,0x600600,0x60300, + 0x3f81fe7f,0xc7f80187,0xf83f80c0,0x3f83f006,0x600020,0x400060,0x33e6067f,0xc1fe7f87,0xfe6001fe,0x6063fc7f,0x60e7fe6,0x660e3f8, + 0x6001f860,0x37fc0603,0xfc06030c,0x30c0607f,0xe06000c0,0x30000000,0x7fc7f,0x83f83fc3,0xfc0603fc,0x60c7fe03,0x61807c6,0x6660c3f8, + 0x7f83fc0c,0x7f80fc3,0xfc0e039c,0x3180607f,0xc0600600,0x60000000,0xfc0e00c,0x601986,0x66040040,0x4527f,0xc0803fe0,0xe07fe0e0, + 0xe000000,0x0,0x0,0x7f,0x80107ff0,0xe07fc060,0x603f,0x83fe0000,0x60060018,0xf000,0x420000,0xf0000,0x7fe00,0x7,0xfe012000, + 0x0,0x2100640,0xc0643f8,0x60660660,0x66066067,0xec3e1fe,0x7fe7fe7f,0xe7fe3fc3,0xfc3fc3fc,0x7f860e3f,0x83f83f83,0xf83f8000, + 0x5fc3fc3f,0xc3fc3fc0,0x606006fc,0x7fc7fc7f,0xc7fc7fc7,0xfcffe3f8,0x3fc3fc3f,0xc3fc7fe7,0xfe7fe7fe,0x3f860c3f,0x83f83f83, + 0xf83f8060,0x7f83fc3f,0xc3fc3fc0,0x607f8060,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6000,0x2201f80,0x3c1e7000,0x6006000, + 0x600,0x60300,0xe01fe7f,0xc3f00183,0xe01f0180,0x1f01e006,0x600000,0x60,0x3006067f,0x807c7e07,0xfe6000f8,0x6063fc3e,0x6067fe6, + 0x660e0f0,0x6000f060,0x3bf80601,0xf806030c,0x60e0607f,0xe06000c0,0x30000000,0x1ec6f,0xf01ec0,0xf80601ec,0x60c7fe03,0x61c03c6, + 0x6660c1f0,0x6f01ec0c,0x3f007c1,0xcc0e030c,0x71c0c07f,0xc0600600,0x60000000,0x7804018,0xe01186,0x66040040,0x39e3f,0x80401fe0, + 0x407fe040,0x4000000,0x0,0x0,0x3f,0x203ce0,0x407fc060,0x601f,0x3fe0000,0x60060018,0x0,0x0,0x0,0x7fe00,0x6,0xe6012000,0x0, + 0x7e0,0x1807e1f0,0x60660660,0x66066066,0x6c3e07c,0x7fe7fe7f,0xe7fe3fc3,0xfc3fc3fc,0x7e060e0f,0xf00f00,0xf00f0000,0x8f01f81f, + 0x81f81f80,0x60600670,0x1ec1ec1e,0xc1ec1ec1,0xec79c0f0,0xf80f80f,0x80f87fe7,0xfe7fe7fe,0x1f060c1f,0x1f01f01,0xf01f0000,0x4f01cc1c, + 0xc1cc1cc0,0xc06f00c0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x200,0x0,0x6006000,0x600,0x600,0x0,0x0,0x0,0x0, + 0x600000,0x0,0x18000000,0x0,0x0,0x0,0x0,0x0,0x1800,0x0,0x0,0x0,0x600060,0x30000000,0x0,0x0,0xc,0x3,0x0,0x0,0x60000c00,0x0, + 0x0,0xc000,0x600600,0x60000000,0x18,0xc03100,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4,0x0,0x601f8,0x0,0x0,0x0,0x0,0x6, + 0x12000,0x2000000,0x40,0x20004000,0x0,0x0,0x10,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x10,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0xc06000c0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x200,0x0,0x2004000,0xc00,0x0,0x0,0x0,0x0,0x0,0xc00000, + 0x0,0x1c000000,0x0,0x0,0x0,0x0,0x0,0xc00,0x0,0x0,0x0,0x780000,0xf0000000,0x0,0x0,0x21c,0x3,0x0,0x0,0x60000c00,0x0,0x0,0xc000, + 0x7c0603,0xe0000000,0x10,0xc02300,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4,0x0,0x601f0,0x0,0x0,0x0,0x0,0x6,0x12000,0x1000000, + 0x40,0x7e004000,0x0,0x0,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc06000c0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x200,0x0,0x300c000,0xc00,0x0,0x0,0x0,0x0,0x0,0xc00000,0x0,0x7800000,0x0, + 0x0,0x0,0x0,0x0,0x800,0x0,0x0,0x0,0x780000,0xf0000000,0x0,0x0,0x3f8,0x3e,0x0,0x0,0x60000c00,0x0,0x0,0x38000,0x3c0603,0xc0000000, + 0x10,0xfc00000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x4,0x0,0x60000,0x0,0x0,0x0,0x0,0x6,0x0,0x1000000,0x0,0x0,0x0,0x0, + 0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3,0x80600380,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xffc,0x0, + 0x0,0x1f0,0x3c,0x0,0x0,0x60000c00,0x0,0x0,0x38000,0x600,0x0,0x0,0xf000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x6,0x0,0xe000000,0x0,0x0,0x0,0x0,0x70,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x70,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x3,0x80600380,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xffc,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x600,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0 }; + + // Definition of a 16x32 font. + const unsigned int font16x32[16*32*256/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc300000,0x0,0xc300000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe70,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x70000e0,0x3c00730,0xe7001c0,0x0,0x70000e0,0x3c00e70,0x70000e0,0x3c00e70,0x730,0x70000e0,0x3c00730, + 0xe700000,0x700,0xe003c0,0xe7000e0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x6600000,0x0,0x6600000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe70,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x18001c0,0x6600ff0,0xe7003e0,0x0,0x18001c0,0x6600e70,0x18001c0,0x6600e70,0xff0,0x18001c0,0x6600ff0,0xe700000,0x180, + 0x1c00660,0xe7001c0,0x0,0x0,0x0,0x380,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3c00000, + 0x0,0x3c00000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe70,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c00380, + 0xc300ce0,0xe700630,0x0,0x1c00380,0xc300e70,0x1c00380,0xc300e70,0xce0,0x1c00380,0xc300ce0,0xe700000,0x1c0,0x3800c30,0xe700380, + 0x0,0x0,0x0,0x7c0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0xe000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1800000,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0xc300000,0x0,0xc300000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x700000,0x0,0x0,0x0,0x7c007c00,0x3e000000, + 0x0,0x0,0x630,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe000070,0x1800000,0xc60,0x0,0xe000070,0x1800000,0xe000070, + 0x1800000,0x0,0xe000070,0x1800000,0x0,0xe00,0x700180,0x70,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x800000,0x0,0x600600,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x3f0,0xfc0,0x0,0x7000000,0x38000000,0x1c0000,0xfc0000,0x380001c0,0xe01c00,0x7f800000,0x0,0x0,0x0,0x0,0x0,0x0,0x7c, + 0x1801f00,0x0,0x0,0x1c,0x0,0x0,0x3c00000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7300000,0x6600000,0x0,0x6600000,0x0,0x0,0x0,0x0,0xe700000, + 0x0,0x0,0x0,0x0,0x0,0xe00000,0x0,0x0,0x0,0xc000c00,0x43800000,0x0,0x0,0x630,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0xf80,0x70000e0,0x3c00730,0xe700c60,0x0,0x70000e0,0x3c00e70,0x70000e0,0x3c00e70,0xe000730,0x70000e0,0x3c00730,0xe700000,0x700, + 0xe003c0,0xe7000e0,0x38000e70,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c0,0x6300000,0x803c00,0x7c00180, + 0xc00300,0x1000000,0x0,0x1c,0x3c007c0,0xfc007e0,0xe01ff8,0x3f03ffc,0x7e007c0,0x0,0x0,0x7c0,0x1c0,0x7f8003f0,0x7f007ff8,0x7ff803f0, + 0x70381ffc,0xff0700e,0x7000783c,0x783807c0,0x7fc007c0,0x7fc00fc0,0x7fff7038,0x700ee007,0x780f780f,0x7ffc03f0,0x70000fc0,0x3c00000, + 0x3000000,0x38000000,0x1c0000,0x1fc0000,0x380001c0,0xe01c00,0x7f800000,0x0,0x0,0x0,0x0,0x0,0x0,0xfc,0x1801f80,0x0,0x1f80000, + 0x7e,0x0,0x0,0x2400000,0xfc00000,0x7ff0000,0x7ffc0000,0x0,0x0,0x0,0x0,0xf30fb0c,0x2400000,0x0,0x240780f,0x1c0,0xfc,0x780f, + 0x18003f0,0xe700000,0x7c00000,0x0,0xff0,0x3c00000,0x78007c0,0xc00000,0xff80000,0xf80,0x7c00000,0xc000c00,0x18001c0,0x1c001c0, + 0x1c001c0,0x1c003e0,0x7fe03f0,0x7ff87ff8,0x7ff87ff8,0x1ffc1ffc,0x1ffc1ffc,0x7f007838,0x7c007c0,0x7c007c0,0x7c00000,0x7c67038, + 0x70387038,0x7038780f,0x70001fe0,0x30000c0,0x2400f30,0xe700c60,0x0,0x30000c0,0x2400e70,0x30000c0,0x2400e70,0xf700f30,0x30000c0, + 0x2400f30,0xe700000,0x300,0xc00240,0xe7000c0,0x38000e70,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c0, + 0x630018c,0x807e00,0xfe00180,0xc00300,0x1000000,0x0,0x38,0xff01fc0,0x3ff01ff0,0x1e01ff8,0x7f83ffc,0x1ff80ff0,0x0,0x0,0xff0, + 0x1f003e0,0x7fe00ff8,0x7fc07ff8,0x7ff80ff8,0x70381ffc,0xff0701c,0x7000783c,0x78381ff0,0x7fe01ff0,0x7fe01ff0,0x7fff7038,0x781ee007, + 0x3c1e380e,0x7ffc0380,0x380001c0,0x3c00000,0x1800000,0x38000000,0x1c0000,0x3c00000,0x380001c0,0xe01c00,0x3800000,0x0,0x0, + 0x0,0x7000000,0x0,0x0,0x1e0,0x18003c0,0x0,0x3fc0000,0x70,0x0,0x0,0x6600000,0x1ff00000,0x1fff0000,0x7ffc0000,0x0,0x0,0x0,0x0, + 0xcf0239c,0x3c00000,0x0,0x3c0380e,0x1c0,0x2001fe,0x380e,0x18007f8,0xe700000,0x8600000,0x0,0xff0,0x7e00000,0x8c00870,0x1800000, + 0x1ff80000,0x180,0xc600000,0xc000c00,0x38001c0,0x3e003e0,0x3e003e0,0x3e001c0,0x7fe0ff8,0x7ff87ff8,0x7ff87ff8,0x1ffc1ffc,0x1ffc1ffc, + 0x7fc07838,0x1ff01ff0,0x1ff01ff0,0x1ff00000,0x1fec7038,0x70387038,0x7038380e,0x70003ce0,0x1800180,0x6600cf0,0xe7007c0,0x0, + 0x1800180,0x6600e70,0x1800180,0x6600e70,0x7c00cf0,0x1800180,0x6600cf0,0xe700000,0x180,0x1800660,0xe700180,0x38000e70,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c0,0x630030c,0x3f0e700,0x1e200180,0x1800180,0x21100000,0x0, + 0x38,0x1e7819c0,0x38781038,0x1e01c00,0xf080038,0x1c381c38,0x0,0x0,0x1878,0x7fc03e0,0x70e01e18,0x70e07000,0x70001e18,0x703801c0, + 0x707038,0x70007c7c,0x7c381c70,0x70701c70,0x70703830,0x1c07038,0x381ce007,0x1c1c3c1e,0x3c0380,0x380001c0,0x7e00000,0xc00000, + 0x38000000,0x1c0000,0x3800000,0x38000000,0x1c00,0x3800000,0x0,0x0,0x0,0x7000000,0x0,0x0,0x1c0,0x18001c0,0x0,0x70c0000,0xe0, + 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0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x800000,0x0,0xc00300,0x0,0x3000000,0x3800,0x0,0x0,0x0,0x0, + 0x0,0x300,0x0,0x0,0x1c000000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xe0,0x0,0x0,0x0,0x0,0x380,0x3801c0,0x0,0x0,0x0,0x0,0x1c,0x0,0xe00000, + 0x0,0x0,0x3800001c,0x0,0x0,0x0,0x700,0x1c0,0x18001c0,0x0,0x0,0xe000700,0x18600000,0x1000100,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x200000,0x0,0x1800ff0,0x0,0x0,0x0,0x0,0x0,0x0,0x3800,0x1980000,0x1800000,0x0,0x6300070,0x6300000,0x0, + 0x0,0x0,0xc0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xc0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x40000000, + 0x0,0x700,0x38000700,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x800000,0x0,0xc00300,0x0,0x7000000, + 0x7000,0x0,0x0,0x0,0x0,0x0,0x700,0x0,0x0,0xf040000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x78,0x0,0x0,0x0,0x0,0x3f0,0x1c0fc0,0x0,0x0, + 0x0,0x0,0x1c,0x0,0xe00000,0x0,0x0,0x3800001c,0x0,0x0,0x0,0x700,0x1e0,0x18003c0,0x0,0x0,0xc000700,0x18c00000,0x1000000,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x200000,0x0,0x18007e0,0x0,0x0,0x0,0x0,0x0,0x0,0x3800,0x1980000,0xc00000, + 0x0,0x7f800e0,0x7f80000,0x0,0x0,0x0,0x60,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x60,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x700,0x38000700,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x800000, + 0x0,0x600600,0x0,0x6000000,0x0,0x0,0x0,0x0,0x0,0x0,0x600,0x0,0x0,0x7fc0000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x30,0x0,0x0,0x0,0x0, + 0x3f0,0xfc0,0x0,0x0,0x0,0x0,0x838,0x0,0x1e00000,0x0,0x0,0x3800001c,0x0,0x0,0x0,0xf00,0xfc,0x1801f80,0x0,0x0,0x8008e00,0x30c00000, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x200000,0x0,0x1800000,0x0,0x0,0x0,0x0,0x0,0x0,0x3800,0x1980000,0xc00000, + 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0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xfff8,0x0,0x0,0x0,0x7e0,0x0,0x1f000000, + 0x0,0x0,0x3800001c,0x0,0x0,0x0,0x3c00,0x0,0x1800000,0x0,0x0,0x7800,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3800,0x0,0x7800000,0x0,0x0,0x0,0x0,0x0,0x0,0x3c0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3c0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3c00,0x38003c00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0xfff8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1800000,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0 }; + + // Definition of a 19x38 font. + const unsigned int font19x38[19*38*256/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c380000,0x0,0x1c380,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3800007,0x3c003,0x86000000, + 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0x600000,0x0,0x4000010,0x38,0x1c00e07f,0x80700e0e,0x38070,0x38000700,0xe00038,0x3801c00,0x381c1c,0x1c000ec,0x1b8ec0e0,0xe01c1c01, + 0xc38070e0,0x1c1c0000,0xe007007,0x701c380,0xe078e01,0xc1c0003c,0xe00070,0xe003,0x83800000,0x7f,0x71f000,0x3e003e38,0x3f007ff, + 0xe01f1c1c,0x7801fc00,0x3fc00701,0xe01c0077,0x8f071e00,0xf801c7c,0x7c700e,0x3e01fc03,0xfff8380e,0xe007700,0x73c0787,0x387ffc, + 0x70000e,0x1c000,0x0,0xe000000,0x0,0x1c000000,0x10,0x20000,0xc2000,0xe0000000,0x3838000,0x3c0,0x0,0xf000f,0x78e00,0x70e00000, + 0x0,0x3,0xc980fe0,0x1f0,0xf8000007,0xffc07070,0x0,0x3f801,0xc0000000,0x1e3c0038,0x700000,0x70070,0x7fc0000,0x0,0xe00e0,0x606, + 0x1c0000,0x70007c00,0x380e,0xff8c000,0x0,0xc00300c,0x60,0xc0000,0x70000000,0x3fc007f,0x800ff001,0xfe003fc0,0x73801ce,0xe0001c, + 0x38000,0x70000e00,0xe0001,0xc0003800,0x7003807,0x7607070,0xe0e01c1,0xc0383807,0x700e000,0x1c0387,0x70e00e,0x1c01c380,0x381c1c07, + 0xffc0e0f8,0x3f8007f,0xfe001,0xfc003f80,0x7f007e3,0xe003e001,0xf8003f00,0x7e000fc,0xfe001f,0xc003f800,0x7f00003c,0x38f0007, + 0xc000f800,0x1f0003e0,0x7c0007,0x8003f0c3,0x80e0701c,0xe0381c0,0x70700387,0x1f01c00e,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x1c701f,0xfff1c600,0xc0c00380,0x70000,0xe0000e00,0x3c00070,0x0,0x0,0xe03c07, + 0x800e0000,0xe000380,0x1ce03800,0x7000000,0x701c0707,0x7003c0,0x780000,0x3c00001e,0x38,0x18006073,0x80700e0e,0x38070,0x38000700, + 0xe00038,0x3801c00,0x381c38,0x1c000ee,0x3b8ee0e1,0xe01e1c01,0xc78078e0,0x1c1c0000,0xe007007,0x701c387,0xe03de00,0xe3800038, + 0xe00070,0xe007,0x1c00000,0x1ff,0xc077f801,0xff807fb8,0xff807ff,0xe03fdc1d,0xfc01fc00,0x3fc00703,0xc01c007f,0xdf877f00,0x3fe01dfe, + 0xff700e,0xff07ff03,0xfff8380e,0x700f700,0x71e0f03,0x80707ffc,0x70000e,0x1c000,0x0,0x1c000008,0x0,0x1c000000,0x10,0x20000, + 0x82000,0xe0000000,0x7038000,0x80000380,0x2000040,0x7000e,0x38700,0xf1e00000,0x0,0x3,0xc183ff8,0x3fd,0xfc008007,0xffc038e0, + 0x0,0xffc01,0xc0008008,0xe380038,0x380000,0xe3e38,0x1ffc0040,0x80000000,0x1cfc70,0x606,0x1c0000,0xe0007c00,0x380e,0xff8c000, + 0x0,0xc00300c,0x8100060,0xc0000,0x30000700,0x39c0073,0x800e7001,0xce0039c0,0x73801ce,0xe0001c,0x38000,0x70000e00,0xe0001, + 0xc0003800,0x7003807,0x77070f0,0xf1e01e3,0xc03c7807,0x8f00f080,0x83c0787,0x70e00e,0x1c01c380,0x380e3807,0xffe0e1c0,0xffe01ff, + 0xc03ff807,0xff00ffe0,0x1ffc0ff7,0xf01ff807,0xfc00ff80,0x1ff003fe,0xfe001f,0xc003f800,0x7f0003fc,0x3bf801f,0xf003fe00,0x7fc00ff8, + 0x1ff0007,0x8007fd83,0x80e0701c,0xe0381c0,0x70380707,0x7f80e01c,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x1c,0x1c701f,0xfff1c600,0x618081c0,0x70000,0xe0000e00,0x3c00070,0x0,0x0,0xe03803,0x800e0000,0xe000380,0x18e03800, + 0xf000000,0xf01c0707,0x7003c0,0x780000,0xfc00001f,0x80000078,0x301e6073,0x80700e1c,0x38038,0x38000700,0x1c00038,0x3801c00, + 0x381c70,0x1c000e6,0x338ee0e1,0xc00e1c01,0xc70038e0,0x1c1c0000,0xe007007,0x701c387,0xe01dc00,0xf7800078,0xe00070,0xe00e,0xe00000, + 0x3ff,0xe07ffc03,0xffc0fff8,0x1ffc07ff,0xe07ffc1d,0xfe01fc00,0x3fc00707,0x801c007f,0xdf877f80,0x7ff01fff,0x1fff00e,0xff07ff03, + 0xfff8380e,0x700e380,0xe0e0e03,0x80707ffc,0x70000e,0x1c000,0x0,0x7ffc001c,0x0,0x1c000000,0x10,0x20000,0x82000,0xe0000000, + 0x7038001,0xc0000780,0x70000e0,0x3800e,0x38700,0xe1c00000,0x0,0x3,0xc183ff8,0x7ff,0xfc01c007,0xffc03de0,0x0,0x1ffc01,0xc001c01c, + 0xf780038,0x3c0000,0xcff18,0x380c00c1,0x80000000,0x18fe30,0x30c,0x1c0001,0xc0000e00,0x380e,0xff8c000,0x0,0xc00300c,0xc180060, + 0xc0000,0x30000700,0x39c0073,0x800e7001,0xce0039c0,0xe1c038e,0x1c0001c,0x38000,0x70000e00,0xe0001,0xc0003800,0x7003803,0x877070e0, + 0x71c00e3,0x801c7003,0x8e0071c0,0x1c380fc7,0x70e00e,0x1c01c380,0x380f7807,0x1e0e380,0x1fff03ff,0xe07ffc0f,0xff81fff0,0x3ffe0fff, + 0xf03ffc0f,0xfe01ffc0,0x3ff807ff,0xfe001f,0xc003f800,0x7f0007fe,0x3bfc03f,0xf807ff00,0xffe01ffc,0x3ff8007,0x800fff83,0x80e0701c, + 0xe0381c0,0x70380707,0xffc0e01c,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x1c701f, + 0xfff1c600,0x7f8381e0,0x70000,0xc0000600,0xff00070,0x0,0x0,0x1c03803,0x800e0000,0xe000f00,0x38e03fe0,0xe000000,0xe00e0e07, + 0x7003c0,0x780007,0xf0ffff87,0xf00000f0,0x307fe0f3,0xc0703c1c,0x38038,0x38000700,0x1c00038,0x3801c00,0x381ce0,0x1c000e6,0x338e70e1, + 0xc00e1c01,0xc70038e0,0x3c1e0000,0xe007007,0x783c38f,0x8e01fc00,0x770000f0,0xe00038,0xe01c,0x700000,0x381,0xe07c1e07,0xc0c1e0f8, + 0x3c1e0038,0xf07c1f,0xe001c00,0x1c0070f,0x1c0079,0xf3c7c380,0xf0781f07,0x83c1f00f,0xc10f0300,0x1c00380e,0x700e380,0xe0f1e03, + 0xc0f00078,0x70000e,0x1c000,0x0,0xfff8003e,0x0,0x3c000000,0x10,0x20000,0xc6000,0xf0000000,0x7038003,0xe0000f00,0xf8001f0, + 0x3801c,0x18300,0xe1800000,0x0,0x3,0xc187818,0x70f,0x9e03e000,0x7801dc0,0x1c,0x3cc401,0xc000efb8,0x7f7f0038,0x3f0000,0x1ce11c, + 0x300c01c3,0x80000000,0x38c638,0x3fc,0x1c0003,0x80000600,0x380e,0xff8c000,0x0,0xc00300c,0xe1c0060,0xc0010,0x70000700,0x79e00f3, + 0xc01e7803,0xcf0079e0,0xe1c038e,0x1c0001c,0x38000,0x70000e00,0xe0001,0xc0003800,0x7003803,0x873870e0,0x71c00e3,0x801c7003, + 0x8e0070e0,0x38381dc7,0x70e00e,0x1c01c380,0x38077007,0xf0e700,0x1c0f0381,0xe0703c0e,0x781c0f0,0x381e083e,0x787c0c1e,0xf03c1e0, + 0x783c0f07,0x800e0001,0xc0003800,0x7000fff,0x3e1c078,0x3c0f0781,0xe0f03c1e,0x783c000,0x1e0f03,0x80e0701c,0xe0381c0,0x70380f07, + 0xc1e0e03c,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x1,0x8701c600,0x1e0f01e0,0x1, + 0xc0000700,0x3dbc0070,0x0,0x0,0x1c03803,0x800e0000,0x1e01fe00,0x70e03ff8,0xe3e0001,0xe007fc07,0x80f003c0,0x78001f,0xc0ffff81, + 0xfc0001e0,0x30e1e0e1,0xc07ff81c,0x38038,0x3ffe07ff,0xc1c0003f,0xff801c00,0x381de0,0x1c000e7,0x738e70e1,0xc00e1c03,0xc70038e0, + 0x780f8000,0xe007007,0x383838d,0x8e00f800,0x7f0000e0,0xe00038,0xe000,0x0,0x200,0xf0780e07,0x8041c078,0x380e0038,0xe03c1e, + 0xf001c00,0x1c0071e,0x1c0070,0xe1c783c0,0xe0381e03,0x8380f00f,0xe0000,0x1c00380e,0x381c380,0xe07bc01,0xc0e00078,0x70000e, + 0x1c000,0x0,0x1c000061,0x0,0x38000000,0x10,0x20000,0x7c000,0x7c000000,0x703fc06,0x10000e00,0x18400308,0x1801c,0x1c381,0xc3800000, + 0x0,0x0,0x7000,0xe0f,0xe061000,0x7801fc0,0x1c,0x38c001,0xc0007ff0,0x7fff0038,0x77c000,0x19c00c,0x301c0387,0x0,0x30c618,0xf0, + 0x1c0007,0x600,0x380e,0x7f8c007,0x80000000,0xc001818,0x70e03fc,0x387f871f,0xe0e00700,0x70e00e1,0xc01c3803,0x870070e0,0xe1c038f, + 0xe1c0001f,0xff03ffe0,0x7ffc0fff,0x800e0001,0xc0003800,0x7003803,0x873870e0,0x71c00e3,0x801c7003,0x8e007070,0x703839c7,0x70e00e, + 0x1c01c380,0x3807f007,0x70e700,0x10078200,0xf0401e08,0x3c10078,0x200f001c,0x3878041c,0x70380e0,0x701c0e03,0x800e0001,0xc0003800, + 0x7001e0f,0x3c1e070,0x1c0e0381,0xc070380e,0x701c000,0x1c0f03,0x80e0701c,0xe0381c0,0x701c0e07,0x80e07038,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x3,0x8600e600,0x7803f0,0x1,0xc0000700,0x718e0070,0x0,0x0,0x38038c3, + 0x800e0000,0x3c01f800,0x60e03ffc,0xeff8001,0xc001f003,0xc1f003c0,0x7800fe,0xffff80,0x3f8003c0,0x60c0e0e1,0xc07fe01c,0x38038, + 0x3ffe07ff,0xc1c07e3f,0xff801c00,0x381fe0,0x1c000e3,0x638e30e1,0xc00e1c07,0x870038ff,0xf00ff800,0xe007007,0x38381cd,0x9c007000, + 0x3e0001e0,0xe0001c,0xe000,0x0,0x0,0x70780f0f,0x3c078,0x70070038,0x1e03c1c,0x7001c00,0x1c0073c,0x1c0070,0xe1c701c1,0xe03c1e03, + 0xc780f00f,0xe0000,0x1c00380e,0x381c387,0xe03f801,0xc0e000f0,0x70000e,0x1c007,0xe0100000,0x1c0000cd,0x80000003,0xffc00000, + 0x3ff,0x807ff000,0xe0,0x7fc00060,0x703fc0c,0xd8001e00,0x3360066c,0x1c018,0xc181,0x83000000,0x0,0x0,0x7000,0x300e07,0xe0cd800, + 0xf000f80,0x1c,0x78c00f,0xff0038e0,0x3e00038,0xe1e000,0x19800c,0x383c070e,0x7fffc00,0x30fc18,0x0,0xffff80e,0x20e00,0x380e, + 0x7f8c007,0x80000000,0xc001c38,0x38703ff,0xf87fff0f,0xcfe00f00,0x70e00e1,0xc01c3803,0x870070e0,0x1e1e078f,0xe1c0001f,0xff03ffe0, + 0x7ffc0fff,0x800e0001,0xc0003800,0x700ff83,0x871870e0,0x71c00e3,0x801c7003,0x8e007038,0xe03871c7,0x70e00e,0x1c01c380,0x3803e007, + 0x70e700,0x38000,0x70000e00,0x1c00038,0x7001c,0x38f00038,0x3870070,0xe00e1c01,0xc00e0001,0xc0003800,0x7001c07,0x380e0f0,0x1e1e03c3, + 0xc078780f,0xf01e000,0x3c0f03,0x80e0701c,0xe0381c0,0x701c0e07,0x80f07038,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x3,0x8600ff00,0x1e00778,0x38000001,0xc0000700,0x21843fff,0xe0000000,0x0,0x38039e3,0x800e0000, + 0x7c01fe00,0xe0e0203e,0xeffc001,0xc00ffe03,0xff700000,0x7f0,0x0,0x7f00380,0x618060e1,0xc07ffc1c,0x38038,0x3ffe07ff,0xc1c07e3f, + 0xff801c00,0x381ff0,0x1c000e3,0x638e38e1,0xc00e1fff,0x870038ff,0xc003fe00,0xe007007,0x38381cd,0x9c00f800,0x3e0003c0,0xe0001c, + 0xe000,0x0,0x0,0x7070070e,0x38038,0x70070038,0x1c01c1c,0x7001c00,0x1c00778,0x1c0070,0xe1c701c1,0xc01c1c01,0xc700700e,0xfc000, + 0x1c00380e,0x381c3c7,0x1e01f001,0xe1e001e0,0xf0000e,0x1e01f,0xf8300000,0x1c00019c,0xc0000003,0xffc00000,0x10,0x20000,0x700, + 0x1ff000c0,0x703fc19,0xcc003c00,0x67300ce6,0xc038,0xc181,0x83000000,0x0,0x0,0x7e00,0x180e07,0xe19cc00,0x1e000f80,0x1c,0x70c00f, + 0xff007070,0x3e00038,0xe0f000,0x19800c,0x1fec0e1c,0x7fffc00,0x30f818,0x0,0xffff81f,0xf003fc00,0x380e,0x3f8c007,0x80000000, + 0x7f800ff0,0x1c3803f,0xe007fc00,0xff800e00,0x70e00e1,0xc01c3803,0x870070e0,0x1c0e070f,0xe1c0001f,0xff03ffe0,0x7ffc0fff,0x800e0001, + 0xc0003800,0x700ff83,0x871c70e0,0x71c00e3,0x801c7003,0x8e00701d,0xc038e1c7,0x70e00e,0x1c01c380,0x3803e007,0x70e3c0,0x38000, + 0x70000e00,0x1c00038,0x7001c,0x38e00038,0x3870070,0xe00e1c01,0xc00e0001,0xc0003800,0x7003c07,0x8380e0e0,0xe1c01c3,0x80387007, + 0xe00e1ff,0xfe381b83,0x80e0701c,0xe0381c0,0x701e1e07,0x707878,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x1c,0x3,0xe007fe0,0x7800e3c,0x38000001,0xc0000700,0x1803fff,0xe0000000,0x0,0x70039c3,0x800e0000,0xf8000f80, + 0xc0e0000e,0xf83c003,0xc01e0f01,0xff700000,0x7c0,0x0,0x1f00780,0x618061c0,0xe0701e1c,0x38038,0x38000700,0x1c07e38,0x3801c00, + 0x381e78,0x1c000e3,0xe38e18e1,0xc00e1fff,0x70038ff,0xe0007f80,0xe007007,0x1c701dd,0x9c00f800,0x1c000780,0xe0000e,0xe000,0x0, + 0x7f,0xf070070e,0x38038,0x7fff0038,0x1c01c1c,0x7001c00,0x1c007f8,0x1c0070,0xe1c701c1,0xc01c1c01,0xc700700e,0x7fc00,0x1c00380e, + 0x1c381c7,0x1c01f000,0xe1c001c0,0xfe0000e,0xfe1f,0xfff00000,0x7ff003fc,0xe0000003,0xffc00000,0x10,0x20000,0x3800,0x3fc0180, + 0x703803f,0xce007800,0xff381fe7,0x30,0x0,0xc0,0x0,0x0,0x3fe0,0xc0e07,0xfe3fce00,0x1c000700,0x1c,0x70c00f,0xff006030,0x1c00000, + 0xe07800,0x19800c,0xfcc1c38,0x7fffc00,0x30d818,0x0,0xffff81f,0xf001f800,0x380e,0xf8c007,0x80000000,0x7f8007e0,0xe1c3fe,0x7fc00f, + 0xf8001e00,0xe0701c0,0xe0381c07,0x380e070,0x1c0e070e,0x1c0001c,0x38000,0x70000e00,0xe0001,0xc0003800,0x700ff83,0x870c70e0, + 0x71c00e3,0x801c7003,0x8e00700f,0x8038c1c7,0x70e00e,0x1c01c380,0x3801c007,0xf0e3e0,0x3ff807f,0xf00ffe01,0xffc03ff8,0x7ff03ff, + 0xf8e0003f,0xff87fff0,0xfffe1fff,0xc00e0001,0xc0003800,0x7003803,0x8380e0e0,0xe1c01c3,0x80387007,0xe00e1ff,0xfe383383,0x80e0701c, + 0xe0381c0,0x700e1c07,0x703870,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x3,0xc000ff0, + 0x3c1e1c1c,0x38000001,0xc0000700,0x1803fff,0xe0000007,0xf8000000,0x7003803,0x800e0001,0xf0000381,0xc0e00007,0xf01e003,0x801c0700, + 0x7c700000,0x7c0,0x0,0x1f00700,0x618061c0,0xe0700e1c,0x38038,0x38000700,0x1c00e38,0x3801c00,0x381e38,0x1c000e1,0xc38e1ce1, + 0xc00e1ffc,0x70038e0,0xf0000780,0xe007007,0x1c701dd,0xdc01fc00,0x1c000780,0xe0000e,0xe000,0x0,0x1ff,0xf070070e,0x38038,0x7fff0038, + 0x1c01c1c,0x7001c00,0x1c007f8,0x1c0070,0xe1c701c1,0xc01c1c01,0xc700700e,0x3ff00,0x1c00380e,0x1c381cd,0x9c00e000,0xe1c003c0, + 0xf80000e,0x3e18,0x3ff00000,0xffe007fd,0xf0000000,0x38000000,0x10,0x20000,0x1c000,0x3c0300,0x703807f,0xdf007801,0xff7c3fef, + 0x80000000,0x0,0x3e0,0x7ffe7ff,0xff000000,0x1ff8,0x60e07,0xfe7fdf00,0x3c000700,0x1c,0x70c001,0xc0006030,0x7fff0000,0xf03800, + 0x19800c,0x1c38,0x1c07,0xf830cc18,0x0,0x1c0000,0x0,0x380e,0x18c007,0x80000000,0x0,0xe1cfe0,0x1fc003f,0x80003c00,0xe0701c0, + 0xe0381c07,0x380e070,0x1c0e070e,0x1c0001c,0x38000,0x70000e00,0xe0001,0xc0003800,0x7003803,0x870e70e0,0x71c00e3,0x801c7003, + 0x8e007007,0x3981c7,0x70e00e,0x1c01c380,0x3801c007,0x1e0e0f8,0xfff81ff,0xf03ffe07,0xffc0fff8,0x1fff07ff,0xf8e0003f,0xff87fff0, + 0xfffe1fff,0xc00e0001,0xc0003800,0x7003803,0x8380e0e0,0xe1c01c3,0x80387007,0xe00e1ff,0xfe386383,0x80e0701c,0xe0381c0,0x700e1c07, + 0x703870,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1c,0x7f,0xffc00678,0x707f9c1e,0x38000001, + 0xc0000700,0x70,0x7,0xf8000000,0xe003803,0x800e0003,0xe00001c3,0x80e00007,0xe00e007,0x80380380,0x700000,0x7f0,0x0,0x7f00700, + 0x618061ff,0xe070071c,0x38038,0x38000700,0x1c00e38,0x3801c00,0x381c3c,0x1c000e1,0xc38e1ce1,0xc00e1c00,0x70038e0,0x700003c0, + 0xe007007,0x1c701d8,0xdc03dc00,0x1c000f00,0xe00007,0xe000,0x0,0x3ff,0xf070070e,0x38038,0x7fff0038,0x1c01c1c,0x7001c00,0x1c007fc, + 0x1c0070,0xe1c701c1,0xc01c1c01,0xc700700e,0x3f00,0x1c00380e,0x1c381cd,0x9c01f000,0x73800780,0xfe0000e,0xfe10,0x7c00000,0x1c000ffb, + 0xf8000000,0x38000000,0x10,0x20000,0x20000,0x1e0700,0x70380ff,0xbf80f003,0xfefe7fdf,0xc0000000,0x0,0x3f0,0x7ffe7ff,0xff000000, + 0x1f8,0x30e07,0xfeffbf80,0x78000700,0x1c,0x70c001,0xc0006030,0x7fff0000,0x783800,0x1ce11c,0xe1c,0x1c07,0xf838ce38,0x0,0x1c0000, + 0x0,0x380e,0x18c000,0x0,0x0,0x1c38c00,0x1800030,0x7800,0xfff01ff,0xe03ffc07,0xff80fff0,0x3fff0ffe,0x1c0001c,0x38000,0x70000e00, + 0xe0001,0xc0003800,0x7003803,0x870e70e0,0x71c00e3,0x801c7003,0x8e00700f,0x803b81c7,0x70e00e,0x1c01c380,0x3801c007,0xffe0e03c, + 0x1fff83ff,0xf07ffe0f,0xffc1fff8,0x3fff0fff,0xf8e0003f,0xff87fff0,0xfffe1fff,0xc00e0001,0xc0003800,0x7003803,0x8380e0e0,0xe1c01c3, + 0x80387007,0xe00e000,0x38c383,0x80e0701c,0xe0381c0,0x70073807,0x701ce0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7f,0xffc0063c,0x40619c0f,0x30000001,0xc0000700,0x70,0x7,0xf8000000,0xe003803,0x800e0007,0xc00001c3, + 0xfffc0007,0xe00e007,0x380380,0xf00000,0xfe,0xffff80,0x3f800700,0x618063ff,0xf070071c,0x38038,0x38000700,0x1c00e38,0x3801c00, + 0x381c1e,0x1c000e0,0x38e0ee1,0xc00e1c00,0x70038e0,0x380001c0,0xe007007,0x1ef01d8,0xdc038e00,0x1c001e00,0xe00007,0xe000,0x0, + 0x7c0,0x7070070e,0x38038,0x70000038,0x1c01c1c,0x7001c00,0x1c0079e,0x1c0070,0xe1c701c1,0xc01c1c01,0xc700700e,0x780,0x1c00380e, + 0xe701cd,0x9c01f000,0x73800f00,0xe0000e,0xe000,0x0,0x1c0007f7,0xf0000000,0x70000000,0x10,0x20000,0x0,0xe0e00,0x703807f,0x7f01e001, + 0xfdfc3fbf,0x80000000,0x0,0x7f0,0x0,0x0,0x3c,0x18e07,0x7f7f00,0xf0000700,0x1c,0x70c001,0xc0007070,0x1c00000,0x3e7000,0xcff18, + 0x3ffc070e,0x1c07,0xf818c630,0x0,0x1c0000,0x0,0x380e,0x18c000,0x0,0x3ffc,0x3870000,0xe000fc00,0x380f000,0x1fff83ff,0xf07ffe0f, + 0xffc1fff8,0x3fff0ffe,0x1c0001c,0x38000,0x70000e00,0xe0001,0xc0003800,0x7003803,0x870770e0,0x71c00e3,0x801c7003,0x8e00701d, + 0xc03f01c7,0x70e00e,0x1c01c380,0x3801c007,0xffc0e01c,0x3e0387c0,0x70f80e1f,0x1c3e038,0x7c071e1c,0xe00038,0x70000,0xe0001c00, + 0xe0001,0xc0003800,0x7003803,0x8380e0e0,0xe1c01c3,0x80387007,0xe00e000,0x398383,0x80e0701c,0xe0381c0,0x70073807,0x701ce0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7f,0xffc0061c,0xc0dc07,0xf0000001,0xc0000700, + 0x70,0x0,0x0,0x1c003c07,0x800e000f,0x1c3,0xfffc0007,0xe00e007,0x380380,0xe00000,0x1f,0xc0ffff81,0xfc000700,0x618063ff,0xf070070e, + 0x38070,0x38000700,0xe00e38,0x3801c00,0x381c0e,0x1c000e0,0x38e0ee1,0xe01e1c00,0x78078e0,0x380001c0,0xe007007,0xee01f8,0xfc078f00, + 0x1c001c00,0xe00003,0x8000e000,0x0,0x700,0x7070070e,0x38038,0x70000038,0x1c01c1c,0x7001c00,0x1c0070e,0x1c0070,0xe1c701c1, + 0xc01c1c01,0xc700700e,0x380,0x1c00380e,0xe700ed,0xb803f800,0x77800f00,0x70000e,0x1c000,0x0,0xe0003f7,0xe0000000,0x70000000, + 0x10,0x20000,0x1c0e0,0xe1c00,0x703803f,0x7e01c000,0xfdf81fbf,0x0,0x0,0x3f0,0x0,0x0,0x1c,0x1ce07,0x3f7e00,0xf0000700,0x1c, + 0x70c001,0xc00038e0,0x1c00038,0xf7000,0xe3e38,0x3ffc0387,0x1c00,0x1cc770,0x0,0x1c0000,0x0,0x380e,0x18c000,0x0,0x3ffc,0x70e0001, + 0xe001fe00,0x780e000,0x1fff83ff,0xf07ffe0f,0xffc1fff8,0x3fff0ffe,0xe0001c,0x38000,0x70000e00,0xe0001,0xc0003800,0x7003807, + 0x70770f0,0xf1e01e3,0xc03c7807,0x8f00f038,0xe03e03c7,0x70e00e,0x1c01c380,0x3801c007,0xff00e00e,0x38038700,0x70e00e1c,0x1c38038, + 0x70071c1c,0xe00038,0x70000,0xe0001c00,0xe0001,0xc0003800,0x7003803,0x8380e0e0,0xe1c01c3,0x80387007,0xe00e000,0x3b0383,0x80e0701c, + 0xe0381c0,0x70077807,0x701de0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x6,0x1c00061c, + 0xc0de03,0xe0000001,0xc0000700,0x70,0x0,0x0,0x1c001c07,0xe001e,0x1c3,0xfffc0007,0x600e00e,0x380380,0xe00000,0x7,0xf0ffff87, + 0xf0000000,0x60c0e380,0x7070070e,0x38070,0x38000700,0xe00e38,0x3801c00,0x381c0f,0x1c000e0,0x38e06e0,0xe01c1c00,0x38070e0, + 0x1c0001c0,0xe007007,0xee00f8,0xf80f0700,0x1c003c00,0xe00003,0x8000e000,0x0,0x700,0x70780f0f,0x3c078,0x70000038,0x1e03c1c, + 0x7001c00,0x1c0070f,0x1c0070,0xe1c701c1,0xe03c1e03,0xc780f00e,0x380,0x1c00380e,0xe700f8,0xf807bc00,0x3f001e00,0x70000e,0x1c000, + 0x0,0xe0001ff,0xc0000000,0x70000000,0x10,0x20000,0x33110,0xe0e00,0x383801f,0xfc03c000,0x7ff00ffe,0x0,0x0,0x3e0,0x0,0x0,0x1c, + 0x38e07,0x1ffc01,0xe0000700,0x1c,0x78c001,0xc0007ff0,0x1c00038,0x7c000,0x70070,0x1c3,0x80001c00,0xe00e0,0x0,0x1c0000,0x0, + 0x380e,0x18c000,0x0,0x0,0xe1c0001,0xe0010700,0x780e000,0x1c038380,0x70700e0e,0x1c1c038,0x78070e0e,0xe0001c,0x38000,0x70000e00, + 0xe0001,0xc0003800,0x7003807,0x7037070,0xe0e01c1,0xc0383807,0x700e070,0x701c0387,0x70e00e,0x1c01c380,0x3801c007,0xe00e,0x38038700, + 0x70e00e1c,0x1c38038,0x70071c1c,0xf00038,0x70000,0xe0001c00,0xe0001,0xc0003800,0x7003c07,0x8380e0f0,0x1e1e03c3,0xc078780f, + 0xf01e007,0x803e0783,0x80e0701c,0xe0381c0,0x7003f007,0x80f00fc0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x6,0x1800061c,0xc0de01,0xc0000000,0xc0000e00,0x70,0xf0000,0x3c00,0x38001c0f,0xe003c,0x3c0,0xe0000e,0x701e00e, + 0x3c0780,0x1e003c0,0x780000,0xfc00001f,0x80000000,0x60e1e780,0x78700f07,0x4380f0,0x38000700,0xf00e38,0x3801c00,0xc0781c07, + 0x81c000e0,0x38e07e0,0xe03c1c00,0x380f0e0,0x1e0003c0,0xe00780f,0xee00f0,0x780e0780,0x1c007800,0xe00001,0xc000e000,0x0,0x700, + 0xf0780e07,0x8041c078,0x38020038,0xe03c1c,0x7001c00,0x1c00707,0x801c0070,0xe1c701c0,0xe0381e03,0x8380f00e,0x80380,0x1c003c1e, + 0x7e00f8,0xf80f1e00,0x3f003c00,0x70000e,0x1c000,0x0,0xf0100f7,0x80078000,0x700078f0,0x10,0x7ff000,0x61208,0x1e0700,0x383800f, + 0x78078000,0x3de007bc,0x0,0x0,0x0,0x0,0x0,0x401c,0x70e0f,0xf7803,0xc0000700,0x1c,0x38c001,0xc000efb8,0x1c00038,0x1e000,0x3c1e0, + 0xc1,0x80000000,0x783c0,0x0,0x0,0x0,0x3c1e,0x18c000,0x0,0x0,0xc180003,0x60000300,0xd80e010,0x3c03c780,0x78f00f1e,0x1e3c03c, + 0x70039c0e,0x70041c,0x38000,0x70000e00,0xe0001,0xc0003800,0x700380f,0x703f070,0x1e0e03c1,0xc078380f,0x701e0e0,0x381c0787, + 0x80f0f01e,0x1e03c3c0,0x7801c007,0xe00e,0x38078700,0xf0e01e1c,0x3c38078,0x700f1c1c,0x78041c,0x1038020,0x70040e00,0x800e0001, + 0xc0003800,0x7001c07,0x380e070,0x1c0e0381,0xc070380e,0x701c007,0x801e0703,0xc1e0783c,0xf0781e0,0xf003f007,0x80e00fc0,0x0, + 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0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0 }; + + // Definition of a 29x57 font. + const unsigned int font29x57[29*57*256/32] = { + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x781e00,0x0,0x0,0x7,0x81e00000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 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0x3f800001,0xfc00003f,0xf80000ff,0xffc003ff,0xe007ffff,0xc03ffffe,0x1fffff0,0xfffff80,0x7fffe003,0xffff001f,0xfff800ff,0xffc01ffc, + 0xfc00,0x3c001ffc,0xffe0,0x7ff00,0x3ff800,0x1ffc000,0x0,0x7ff8f0f0,0x3c0780,0x1e03c00,0xf01e000,0x783e0001,0xf01e0000,0xffe00, + 0x3c0000,0xf0000,0x7700001,0xfe38001f,0xf800070,0x1c000000,0x0,0x3c00,0xf00,0x77000,0x3e1f000,0x3c00000,0xf00000,0x7700003e, + 0x1f0000f8,0xc0007f8,0xe0000f00,0x3c0,0x1dc00,0x7f8e00,0x7c3e000,0x0,0x1,0xe0000000,0x7800003b,0x80001f0f,0x800000f0,0x1e0000, + 0x3e1f00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x780000,0x3c1e0000,0x1e070000,0x300001f0,0x7ff,0xc00001e0,0x1e0,0x7c000,0x1c000,0x0,0x0,0x0,0x0,0x3c000ff,0xf80007fe, + 0x3ffff,0x801ffff8,0x1f80,0x3ffff80,0x3fff803,0xfffff801,0xfffc000f,0xffc00000,0x0,0x0,0x0,0x0,0x7fff80,0x0,0xfe0003,0xffff0000, + 0xffff01ff,0xfc0003ff,0xffe01fff,0xff000fff,0xf01e0007,0x803ffff0,0xfff80,0x3c001f80,0x7800001f,0xc007f07e,0x1e001f,0xff0007ff, + 0xfc0007ff,0xc007fffc,0x3fffc,0x7fffffe,0xf0003c1,0xf0000f9e,0xf0f,0x8003e1e0,0x1e01ff,0xfff8003f,0xf001e000,0x7fe0,0x3f00, + 0x0,0x1e0000,0x1,0xe0000000,0x0,0x780000,0x1f,0xfe000000,0x78000,0x3c00,0xf000,0x7800003,0xffe00000,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0xf,0xfc0000f0,0x3ff00,0x0,0x0,0x1fff80,0x0,0x0,0xffe000,0x0,0x0,0x0,0x3de0,0x0,0x7fff80,0x0,0xfffff80, + 0x1f,0xffff8000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0xe7bc07ff,0x3e1f000f,0x78000000,0x0,0x0,0xf780,0x7800078,0x0,0x780000,0x180000, + 0x1fff8000,0x1e00,0x1e0003c,0xfff,0xc001f0f8,0x0,0x7ffe00,0x0,0x0,0x0,0x3f,0xff00007f,0xf0000000,0x3ffc,0xfff0,0x3c00,0x0, + 0x7fffc00,0x0,0x7,0xf800003f,0xfe000000,0x1c00,0xe000,0xe00,0xf000,0x1fc000,0xfe0000,0x7f00000,0x3f800001,0xfc00001f,0xe00001ff, + 0xffc00fff,0xf007ffff,0xc03ffffe,0x1fffff0,0xfffff80,0x7fffe003,0xffff001f,0xfff800ff,0xffc01fff,0xc000fc00,0x3c003ffe,0x1fff0, + 0xfff80,0x7ffc00,0x3ffe000,0x0,0xfffce0f0,0x3c0780,0x1e03c00,0xf01e000,0x781e0001,0xe01e0000,0x3fff00,0x1e0000,0x1e0000,0xf780003, + 0xcf78001f,0xf800078,0x3c000000,0x0,0x1e00,0x1e00,0xf7800,0x3e1f000,0x1e00000,0x1e00000,0xf780003e,0x1f0000fc,0x7c000f3d, + 0xe0000780,0x780,0x3de00,0xf3de00,0x7c3e000,0x0,0x0,0xf0000000,0xf000007b,0xc0001f0f,0x800001e0,0x1e0000,0x3e1f00,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x780000, + 0x3c1e0000,0x1e0f0000,0x300007fc,0xfff,0xc00001e0,0x1e0,0x3c000,0x1c000,0x0,0x0,0x0,0x0,0x3c001ff,0xfc001ffe,0x3ffff,0xc01ffffc, + 0x3f80,0x3ffff80,0x7fff803,0xfffff803,0xfffe001f,0xffe00000,0x0,0x0,0x0,0x0,0xffff80,0x7f800,0xfe0003,0xffff8001,0xffff01ff, + 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0x80f1e000,0x780,0x3c00,0x1e000,0xf0000,0x780000,0x3c0001e,0x3c07c00,0xf0007,0x8078003c,0x3c001e0,0x1e000f00,0x780000,0x3c00000, + 0x1e000000,0xf0000f80,0x1f003e00,0x3c03c003,0xc01e001e,0xf000f0,0x7800780,0x3c003c00,0xf,0x3f003c,0x3c01e0,0x1e00f00,0xf007800, + 0x7803c007,0x801f000f,0xf001e0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x780000,0x1,0xe078003f,0xb0000000,0xfc003cf0,0x0,0x3c00,0x1e00,0x101c040,0x1e0000,0x0,0x0,0x1, + 0xe0001e1f,0x83c0001e,0x7,0xe000fff0,0x3c0780,0x3c03f80,0x7fc0fc00,0x1e0000,0xfff80078,0xfe0007,0xe000003f,0x7fe0,0x1fffff, + 0xf0000ffc,0xfc00,0x780f81f0,0xf01e003,0xffff003c,0x1e0,0x3c03ff,0xffc01fff,0xfe03c000,0x1fffff,0x80007800,0x780,0x3ffc0000, + 0x7800001e,0x1ef0f078,0x3c1e03c0,0x780780,0x1fc0f000,0x1e07ffff,0x7ff00,0xf000,0xf0003c0,0xf00f007,0xc3b87c00,0x7c00001,0xfe000000, + 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0xff800fff,0xf001ffff,0x800ffffc,0x7fffe0,0x3ffff00,0xfffffc07,0xffffe03f,0xffff01ff,0xfff803ff,0xfc003c00,0x3c00ffff,0x7fff8, + 0x3fffc0,0x1fffe00,0xffff000,0x1f,0xfffc001f,0xffbc00ff,0xfde007ff,0xef003fff,0x780007e0,0x1ffffc,0x1f800,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x780000,0x1e,0x700003f, + 0xffc00000,0x7fc01fff,0x9f800000,0xf80,0xf800,0x0,0x0,0xfc0000,0x0,0x7e0000f0,0xff,0xf8000fff,0xfc03ffff,0xf83ffff8,0x780, + 0xffffe00,0x7fff000,0xf000003,0xfffe001f,0xffc00007,0xe000003f,0x0,0x0,0x0,0x3c000,0xf000003,0xe0000f83,0xffff0000,0xffff01ff, + 0xfc0003ff,0xffe01e00,0xfff,0xf01e0007,0x803ffff0,0x7fffc00,0x3c0007c0,0x7ffffe1e,0xf078,0x7e003f,0xff000780,0x7ff,0xe0078000, + 0x3c3ffff8,0xf000,0x1fffe00,0x7e0000,0xf803e03e,0x1f000,0x780003ff,0xfffc003c,0x7,0x800001e0,0x0,0x0,0x0,0x3fff3c01,0xefff8000, + 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0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0, + 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0 }; + + // Definition of a 40x38 'danger' color logo. + const unsigned char logo40x38[4576] = { + 177,200,200,200,3,123,123,0,36,200,200,200,1,123,123,0,2,255,255,0,1,189,189,189,1,0,0,0,34,200,200,200, + 1,123,123,0,4,255,255,0,1,189,189,189,1,0,0,0,1,123,123,123,32,200,200,200,1,123,123,0,5,255,255,0,1,0,0, + 0,2,123,123,123,30,200,200,200,1,123,123,0,6,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,29,200,200,200, + 1,123,123,0,7,255,255,0,1,0,0,0,2,123,123,123,28,200,200,200,1,123,123,0,8,255,255,0,1,189,189,189,1,0,0,0, + 2,123,123,123,27,200,200,200,1,123,123,0,9,255,255,0,1,0,0,0,2,123,123,123,26,200,200,200,1,123,123,0,10,255, + 255,0,1,189,189,189,1,0,0,0,2,123,123,123,25,200,200,200,1,123,123,0,3,255,255,0,1,189,189,189,3,0,0,0,1,189, + 189,189,3,255,255,0,1,0,0,0,2,123,123,123,24,200,200,200,1,123,123,0,4,255,255,0,5,0,0,0,3,255,255,0,1,189, + 189,189,1,0,0,0,2,123,123,123,23,200,200,200,1,123,123,0,4,255,255,0,5,0,0,0,4,255,255,0,1,0,0,0,2,123,123,123, + 22,200,200,200,1,123,123,0,5,255,255,0,5,0,0,0,4,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,21,200,200,200, + 1,123,123,0,5,255,255,0,5,0,0,0,5,255,255,0,1,0,0,0,2,123,123,123,20,200,200,200,1,123,123,0,6,255,255,0,5,0,0, + 0,5,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,19,200,200,200,1,123,123,0,6,255,255,0,1,123,123,0,3,0,0,0,1, + 123,123,0,6,255,255,0,1,0,0,0,2,123,123,123,18,200,200,200,1,123,123,0,7,255,255,0,1,189,189,189,3,0,0,0,1,189, + 189,189,6,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,17,200,200,200,1,123,123,0,8,255,255,0,3,0,0,0,8,255,255, + 0,1,0,0,0,2,123,123,123,16,200,200,200,1,123,123,0,9,255,255,0,1,123,123,0,1,0,0,0,1,123,123,0,8,255,255,0,1,189, + 189,189,1,0,0,0,2,123,123,123,15,200,200,200,1,123,123,0,9,255,255,0,1,189,189,189,1,0,0,0,1,189,189,189,9,255,255, + 0,1,0,0,0,2,123,123,123,14,200,200,200,1,123,123,0,11,255,255,0,1,0,0,0,10,255,255,0,1,189,189,189,1,0,0,0,2,123, + 123,123,13,200,200,200,1,123,123,0,23,255,255,0,1,0,0,0,2,123,123,123,12,200,200,200,1,123,123,0,11,255,255,0,1,189, + 189,189,2,0,0,0,1,189,189,189,9,255,255,0,1,189,189,189,1,0,0,0,2,123,123,123,11,200,200,200,1,123,123,0,11,255,255, + 0,4,0,0,0,10,255,255,0,1,0,0,0,2,123,123,123,10,200,200,200,1,123,123,0,12,255,255,0,4,0,0,0,10,255,255,0,1,189,189, + 189,1,0,0,0,2,123,123,123,9,200,200,200,1,123,123,0,12,255,255,0,1,189,189,189,2,0,0,0,1,189,189,189,11,255,255,0,1, + 0,0,0,2,123,123,123,9,200,200,200,1,123,123,0,27,255,255,0,1,0,0,0,3,123,123,123,8,200,200,200,1,123,123,0,26,255, + 255,0,1,189,189,189,1,0,0,0,3,123,123,123,9,200,200,200,1,123,123,0,24,255,255,0,1,189,189,189,1,0,0,0,4,123,123, + 123,10,200,200,200,1,123,123,0,24,0,0,0,5,123,123,123,12,200,200,200,27,123,123,123,14,200,200,200,25,123,123,123,86, + 200,200,200,91,49,124,118,124,71,32,124,95,49,56,114,52,82,121,0}; + + //! Display a warning message. + /** + \param format is a C-string describing the format of the message, as in <tt>std::printf()</tt>. + **/ + inline void warn(const char *format, ...) { + if (cimg::exception_mode()>=1) { + char message[8192]; + cimg_std::va_list ap; + va_start(ap,format); + cimg_std::vsprintf(message,format,ap); + va_end(ap); +#ifdef cimg_strict_warnings + throw CImgWarningException(message); +#else + cimg_std::fprintf(cimg_stdout,"\n%s# CImg Warning%s :\n%s\n",cimg::t_red,cimg::t_normal,message); +#endif + } + } + + // Execute an external system command. + /** + \note This function is similar to <tt>std::system()</tt> + and is here because using the <tt>std::</tt> version on + Windows may open undesired consoles. + **/ + inline int system(const char *const command, const char *const module_name=0) { +#if cimg_OS==2 + PROCESS_INFORMATION pi; + STARTUPINFO si; + cimg_std::memset(&pi,0,sizeof(PROCESS_INFORMATION)); + cimg_std::memset(&si,0,sizeof(STARTUPINFO)); + GetStartupInfo(&si); + si.cb = sizeof(si); + si.wShowWindow = SW_HIDE; + si.dwFlags |= SW_HIDE; + const BOOL res = CreateProcess((LPCTSTR)module_name,(LPTSTR)command,0,0,FALSE,0,0,0,&si,&pi); + if (res) { + WaitForSingleObject(pi.hProcess, INFINITE); + CloseHandle(pi.hThread); + CloseHandle(pi.hProcess); + return 0; + } else +#endif + return cimg_std::system(command); + return module_name?0:1; + } + + //! Return a reference to a temporary variable of type T. + template<typename T> + inline T& temporary(const T&) { + static T temp; + return temp; + } + + //! Exchange values of variables \p a and \p b. + template<typename T> + inline void swap(T& a, T& b) { T t = a; a = b; b = t; } + + //! Exchange values of variables (\p a1,\p a2) and (\p b1,\p b2). + template<typename T1, typename T2> + inline void swap(T1& a1, T1& b1, T2& a2, T2& b2) { + cimg::swap(a1,b1); cimg::swap(a2,b2); + } + + //! Exchange values of variables (\p a1,\p a2,\p a3) and (\p b1,\p b2,\p b3). + template<typename T1, typename T2, typename T3> + inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3) { + cimg::swap(a1,b1,a2,b2); cimg::swap(a3,b3); + } + + //! Exchange values of variables (\p a1,\p a2,...,\p a4) and (\p b1,\p b2,...,\p b4). + template<typename T1, typename T2, typename T3, typename T4> + inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4) { + cimg::swap(a1,b1,a2,b2,a3,b3); cimg::swap(a4,b4); + } + + //! Exchange values of variables (\p a1,\p a2,...,\p a5) and (\p b1,\p b2,...,\p b5). + template<typename T1, typename T2, typename T3, typename T4, typename T5> + inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5) { + cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4); cimg::swap(a5,b5); + } + + //! Exchange values of variables (\p a1,\p a2,...,\p a6) and (\p b1,\p b2,...,\p b6). + template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6> + inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5, T6& a6, T6& b6) { + cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4,a5,b5); cimg::swap(a6,b6); + } + + //! Exchange values of variables (\p a1,\p a2,...,\p a7) and (\p b1,\p b2,...,\p b7). + template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7> + inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5, T6& a6, T6& b6, + T7& a7, T7& b7) { + cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4,a5,b5,a6,b6); cimg::swap(a7,b7); + } + + //! Exchange values of variables (\p a1,\p a2,...,\p a8) and (\p b1,\p b2,...,\p b8). + template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8> + inline void swap(T1& a1, T1& b1, T2& a2, T2& b2, T3& a3, T3& b3, T4& a4, T4& b4, T5& a5, T5& b5, T6& a6, T6& b6, + T7& a7, T7& b7, T8& a8, T8& b8) { + cimg::swap(a1,b1,a2,b2,a3,b3,a4,b4,a5,b5,a6,b6,a7,b7); cimg::swap(a8,b8); + } + + //! Return the current endianness of the CPU. + /** + \return \c false for "Little Endian", \c true for "Big Endian". + **/ + inline bool endianness() { + const int x = 1; + return ((unsigned char*)&x)[0]?false:true; + } + + //! Invert endianness of a memory buffer. + template<typename T> + inline void invert_endianness(T* const buffer, const unsigned int size) { + if (size) switch (sizeof(T)) { + case 1 : break; + case 2 : { for (unsigned short *ptr = (unsigned short*)buffer+size; ptr>(unsigned short*)buffer; ) { + const unsigned short val = *(--ptr); + *ptr = (unsigned short)((val>>8)|((val<<8))); + }} break; + case 4 : { for (unsigned int *ptr = (unsigned int*)buffer+size; ptr>(unsigned int*)buffer; ) { + const unsigned int val = *(--ptr); + *ptr = (val>>24)|((val>>8)&0xff00)|((val<<8)&0xff0000)|(val<<24); + }} break; + default : { for (T* ptr = buffer+size; ptr>buffer; ) { + unsigned char *pb = (unsigned char*)(--ptr), *pe = pb + sizeof(T); + for (int i=0; i<(int)sizeof(T)/2; ++i) swap(*(pb++),*(--pe)); + }} + } + } + + //! Invert endianness of a single variable. + template<typename T> + inline T& invert_endianness(T& a) { + invert_endianness(&a,1); + return a; + } + + //! Get the value of a system timer with a millisecond precision. + inline unsigned long time() { +#if cimg_OS==1 + struct timeval st_time; + gettimeofday(&st_time,0); + return (unsigned long)(st_time.tv_usec/1000 + st_time.tv_sec*1000); +#elif cimg_OS==2 + static SYSTEMTIME st_time; + GetSystemTime(&st_time); + return (unsigned long)(st_time.wMilliseconds + 1000*(st_time.wSecond + 60*(st_time.wMinute + 60*st_time.wHour))); +#else + return 0; +#endif + } + + //! Sleep for a certain numbers of milliseconds. + /** + This function frees the CPU ressources during the sleeping time. + It may be used to temporize your program properly, without wasting CPU time. + **/ + inline void sleep(const unsigned int milliseconds) { +#if cimg_OS==1 + struct timespec tv; + tv.tv_sec = milliseconds/1000; + tv.tv_nsec = (milliseconds%1000)*1000000; + nanosleep(&tv,0); +#elif cimg_OS==2 + Sleep(milliseconds); +#endif + } + + inline unsigned int _sleep(const unsigned int milliseconds, unsigned long& timer) { + if (!timer) timer = cimg::time(); + const unsigned long current_time = cimg::time(); + if (current_time>=timer+milliseconds) { timer = current_time; return 0; } + const unsigned long time_diff = timer + milliseconds - current_time; + timer = current_time + time_diff; + cimg::sleep(time_diff); + return (unsigned int)time_diff; + } + + //! Wait for a certain number of milliseconds since the last call. + /** + This function is equivalent to sleep() but the waiting time is computed with regard to the last call + of wait(). It may be used to temporize your program properly. + **/ + inline unsigned int wait(const unsigned int milliseconds) { + static unsigned long timer = 0; + if (!timer) timer = cimg::time(); + return _sleep(milliseconds,timer); + } + + // Use a specific srand initialization to avoid multi-threads to have to the + // same series of random numbers (executed only once for a single program). + inline void srand() { + static bool first_time = true; + if (first_time) { + cimg_std::srand(cimg::time()); + unsigned char *const rand_ptr = new unsigned char[1+cimg_std::rand()%2048]; + cimg_std::srand((unsigned int)cimg_std::rand() + *(unsigned int*)(void*)rand_ptr); + delete[] rand_ptr; + first_time = false; + } + } + + //! Return a left bitwise-rotated number. + template<typename T> + inline const T rol(const T a, const unsigned int n=1) { + return n?(T)((a<<n)|(a>>((sizeof(T)<<3)-n))):a; + } + + //! Return a right bitwise-rotated number. + template<typename T> + inline const T ror(const T a, const unsigned int n=1) { + return n?(T)((a>>n)|(a<<((sizeof(T)<<3)-n))):a; + } + + //! Return the absolute value of a number. + /** + \note This function is different from <tt>std::abs()</tt> or <tt>std::fabs()</tt> + because it is able to consider a variable of any type, without cast needed. + **/ + template<typename T> + inline T abs(const T a) { + return a>=0?a:-a; + } + inline bool abs(const bool a) { + return a; + } + inline unsigned char abs(const unsigned char a) { + return a; + } + inline unsigned short abs(const unsigned short a) { + return a; + } + inline unsigned int abs(const unsigned int a) { + return a; + } + inline unsigned long abs(const unsigned long a) { + return a; + } + inline double abs(const double a) { + return cimg_std::fabs(a); + } + inline float abs(const float a) { + return (float)cimg_std::fabs((double)a); + } + inline int abs(const int a) { + return cimg_std::abs(a); + } + + //! Return the square of a number. + template<typename T> + inline T sqr(const T val) { + return val*val; + } + + //! Return 1 + log_10(x). + inline int xln(const int x) { + return x>0?(int)(1+cimg_std::log10((double)x)):1; + } + + //! Return the minimum value between two numbers. + template<typename t1, typename t2> + inline typename cimg::superset<t1,t2>::type min(const t1& a, const t2& b) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return (t1t2)(a<=b?a:b); + } + + //! Return the minimum value between three numbers. + template<typename t1, typename t2, typename t3> + inline typename cimg::superset2<t1,t2,t3>::type min(const t1& a, const t2& b, const t3& c) { + typedef typename cimg::superset2<t1,t2,t3>::type t1t2t3; + return (t1t2t3)cimg::min(cimg::min(a,b),c); + } + + //! Return the minimum value between four numbers. + template<typename t1, typename t2, typename t3, typename t4> + inline typename cimg::superset3<t1,t2,t3,t4>::type min(const t1& a, const t2& b, const t3& c, const t4& d) { + typedef typename cimg::superset3<t1,t2,t3,t4>::type t1t2t3t4; + return (t1t2t3t4)cimg::min(cimg::min(a,b,c),d); + } + + //! Return the maximum value between two numbers. + template<typename t1, typename t2> + inline typename cimg::superset<t1,t2>::type max(const t1& a, const t2& b) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return (t1t2)(a>=b?a:b); + } + + //! Return the maximum value between three numbers. + template<typename t1, typename t2, typename t3> + inline typename cimg::superset2<t1,t2,t3>::type max(const t1& a, const t2& b, const t3& c) { + typedef typename cimg::superset2<t1,t2,t3>::type t1t2t3; + return (t1t2t3)cimg::max(cimg::max(a,b),c); + } + + //! Return the maximum value between four numbers. + template<typename t1, typename t2, typename t3, typename t4> + inline typename cimg::superset3<t1,t2,t3,t4>::type max(const t1& a, const t2& b, const t3& c, const t4& d) { + typedef typename cimg::superset3<t1,t2,t3,t4>::type t1t2t3t4; + return (t1t2t3t4)cimg::max(cimg::max(a,b,c),d); + } + + //! Return the sign of a number. + template<typename T> + inline T sign(const T x) { + return (x<0)?(T)(-1):(x==0?(T)0:(T)1); + } + + //! Return the nearest power of 2 higher than a given number. + template<typename T> + inline unsigned long nearest_pow2(const T x) { + unsigned long i = 1; + while (x>i) i<<=1; + return i; + } + + //! Return the modulo of a number. + /** + \note This modulo function accepts negative and floating-points modulo numbers, as well as + variable of any type. + **/ + template<typename T> + inline T mod(const T& x, const T& m) { + const double dx = (double)x, dm = (double)m; + if (x<0) { return (T)(dm+dx+dm*cimg_std::floor(-dx/dm)); } + return (T)(dx-dm*cimg_std::floor(dx/dm)); + } + inline int mod(const bool x, const bool m) { + return m?(x?1:0):0; + } + inline int mod(const char x, const char m) { + return x>=0?x%m:(x%m?m+x%m:0); + } + inline int mod(const short x, const short m) { + return x>=0?x%m:(x%m?m+x%m:0); + } + inline int mod(const int x, const int m) { + return x>=0?x%m:(x%m?m+x%m:0); + } + inline int mod(const long x, const long m) { + return x>=0?x%m:(x%m?m+x%m:0); + } + inline int mod(const unsigned char x, const unsigned char m) { + return x%m; + } + inline int mod(const unsigned short x, const unsigned short m) { + return x%m; + } + inline int mod(const unsigned int x, const unsigned int m) { + return x%m; + } + inline int mod(const unsigned long x, const unsigned long m) { + return x%m; + } + + //! Return the minmod of two numbers. + /** + <i>minmod(\p a,\p b)</i> is defined to be : + - <i>minmod(\p a,\p b) = min(\p a,\p b)</i>, if \p a and \p b have the same sign. + - <i>minmod(\p a,\p b) = 0</i>, if \p a and \p b have different signs. + **/ + template<typename T> + inline T minmod(const T a, const T b) { + return a*b<=0?0:(a>0?(a<b?a:b):(a<b?b:a)); + } + + //! Return a random variable between [0,1] with respect to an uniform distribution. + inline double rand() { + static bool first_time = true; + if (first_time) { cimg::srand(); first_time = false; } + return (double)cimg_std::rand()/RAND_MAX; + } + + //! Return a random variable between [-1,1] with respect to an uniform distribution. + inline double crand() { + return 1-2*cimg::rand(); + } + + //! Return a random variable following a gaussian distribution and a standard deviation of 1. + inline double grand() { + double x1, w; + do { + const double x2 = 2*cimg::rand() - 1.0; + x1 = 2*cimg::rand()-1.0; + w = x1*x1 + x2*x2; + } while (w<=0 || w>=1.0); + return x1*cimg_std::sqrt((-2*cimg_std::log(w))/w); + } + + //! Return a random variable following a Poisson distribution of parameter z. + inline unsigned int prand(const double z) { + if (z<=1.0e-10) return 0; + if (z>100.0) return (unsigned int)((std::sqrt(z) * cimg::grand()) + z); + unsigned int k = 0; + const double y = std::exp(-z); + for (double s = 1.0; s>=y; ++k) s*=cimg::rand(); + return k-1; + } + + //! Return a rounded number. + /** + \param x is the number to be rounded. + \param y is the rounding precision. + \param rounding_type defines the type of rounding (0=nearest, -1=backward, 1=forward). + **/ + inline double round(const double x, const double y, const int rounding_type=0) { + if (y<=0) return x; + const double delta = cimg::mod(x,y); + if (delta==0.0) return x; + const double + backward = x - delta, + forward = backward + y; + return rounding_type<0?backward:(rounding_type>0?forward:(2*delta<y?backward:forward)); + } + + inline double _pythagore(double a, double b) { + const double absa = cimg::abs(a), absb = cimg::abs(b); + if (absa>absb) { const double tmp = absb/absa; return absa*cimg_std::sqrt(1.0+tmp*tmp); } + else { const double tmp = absa/absb; return (absb==0?0:absb*cimg_std::sqrt(1.0+tmp*tmp)); } + } + + //! Remove the 'case' of an ASCII character. + inline char uncase(const char x) { + return (char)((x<'A'||x>'Z')?x:x-'A'+'a'); + } + + //! Remove the 'case' of a C string. + /** + Acts in-place. + **/ + inline void uncase(char *const string) { + if (string) for (char *ptr = string; *ptr; ++ptr) *ptr = uncase(*ptr); + } + + //! Read a float number from a C-string. + /** + \note This function is quite similar to <tt>std::atof()</tt>, + but that it allows the retrieval of fractions as in "1/2". + **/ + inline float atof(const char *const str) { + float x = 0,y = 1; + if (!str) return 0; else { cimg_std::sscanf(str,"%g/%g",&x,&y); return x/y; } + } + + //! Compute the length of a C-string. + /** + \note This function is similar to <tt>std::strlen()</tt> + and is here because some old compilers do not + define the <tt>std::</tt> version. + **/ + inline int strlen(const char *const s) { + if (!s) return -1; + int k = 0; + for (const char *ns = s; *ns; ++ns) ++k; + return k; + } + + //! Compare the first \p n characters of two C-strings. + /** + \note This function is similar to <tt>std::strncmp()</tt> + and is here because some old compilers do not + define the <tt>std::</tt> version. + **/ + inline int strncmp(const char *const s1, const char *const s2, const int l) { + if (!s1) return s2?-1:0; + const char *ns1 = s1, *ns2 = s2; + int k, diff = 0; for (k = 0; k<l && !(diff = *ns1-*ns2); ++k) { ++ns1; ++ns2; } + return k!=l?diff:0; + } + + //! Compare the first \p n characters of two C-strings, ignoring the case. + /** + \note This function is similar to <tt>std::strncasecmp()</tt> + and is here because some old compilers do not + define the <tt>std::</tt> version. + **/ + inline int strncasecmp(const char *const s1, const char *const s2, const int l) { + if (!s1) return s2?-1:0; + const char *ns1 = s1, *ns2 = s2; + int k, diff = 0; for (k = 0; k<l && !(diff = uncase(*ns1)-uncase(*ns2)); ++k) { ++ns1; ++ns2; } + return k!=l?diff:0; + } + + //! Compare two C-strings. + /** + \note This function is similar to <tt>std::strcmp()</tt> + and is here because some old compilers do not + define the <tt>std::</tt> version. + **/ + inline int strcmp(const char *const s1, const char *const s2) { + const int l1 = cimg::strlen(s1), l2 = cimg::strlen(s2); + return cimg::strncmp(s1,s2,1+(l1<l2?l1:l2)); + } + + //! Compare two C-strings, ignoring the case. + /** + \note This function is similar to <tt>std::strcasecmp()</tt> + and is here because some old compilers do not + define the <tt>std::</tt> version. + **/ + inline int strcasecmp(const char *const s1, const char *const s2) { + const int l1 = cimg::strlen(s1), l2 = cimg::strlen(s2); + return cimg::strncasecmp(s1,s2,1+(l1<l2?l1:l2)); + } + + //! Find a character in a C-string. + inline int strfind(const char *const s, const char c) { + if (!s) return -1; + int l; for (l = cimg::strlen(s); l>=0 && s[l]!=c; --l) {} + return l; + } + + //! Remove useless delimiters on the borders of a C-string + inline bool strpare(char *const s, const char delimiter=' ', const bool symmetric=false) { + if (!s) return false; + const int l = cimg::strlen(s); + int p, q; + if (symmetric) for (p = 0, q = l-1; p<q && s[p]==delimiter && s[q]==delimiter; ++p) --q; + else { + for (p = 0; p<l && s[p]==delimiter; ) ++p; + for (q = l-1; q>p && s[q]==delimiter; ) --q; + } + const int n = q - p + 1; + if (n!=l) { cimg_std::memmove(s,s+p,n); s[n] = '\0'; return true; } + return false; + } + + //! Remove useless spaces and symmetric delimiters ', " and ` from a C-string. + inline void strclean(char *const s) { + if (!s) return; + strpare(s,' ',false); + for (bool need_iter = true; need_iter; ) { + need_iter = false; + need_iter |= strpare(s,'\'',true); + need_iter |= strpare(s,'\"',true); + need_iter |= strpare(s,'`',true); + } + } + + //! Replace explicit escape sequences '\x' in C-strings (where x in [ntvbrfa?'"0]). + inline void strescape(char *const s) { +#define cimg_strescape(ci,co) case ci: *nd = co; break; + char *ns, *nd; + for (ns = nd = s; *ns; ++ns, ++nd) + if (*ns=='\\') switch (*(++ns)) { + cimg_strescape('n','\n'); + cimg_strescape('t','\t'); + cimg_strescape('v','\v'); + cimg_strescape('b','\b'); + cimg_strescape('r','\r'); + cimg_strescape('f','\f'); + cimg_strescape('a','\a'); + cimg_strescape('\\','\\'); + cimg_strescape('\?','\?'); + cimg_strescape('\'','\''); + cimg_strescape('\"','\"'); + cimg_strescape('\0','\0'); + } + else *nd = *ns; + *nd = 0; + } + + //! Compute the basename of a filename. + inline const char* basename(const char *const s) { + return (cimg_OS!=2)?(s?s+1+cimg::strfind(s,'/'):0):(s?s+1+cimg::strfind(s,'\\'):0); + } + + // Generate a random filename. + inline const char* filenamerand() { + static char id[9] = { 0,0,0,0,0,0,0,0,0 }; + cimg::srand(); + for (unsigned int k=0; k<8; ++k) { + const int v = (int)cimg_std::rand()%3; + id[k] = (char)(v==0?('0'+(cimg_std::rand()%10)):(v==1?('a'+(cimg_std::rand()%26)):('A'+(cimg_std::rand()%26)))); + } + return id; + } + + // Convert filename into a Windows-style filename. + inline void winformat_string(char *const s) { + if (s && s[0]) { +#if cimg_OS==2 + char *const ns = new char[MAX_PATH]; + if (GetShortPathNameA(s,ns,MAX_PATH)) cimg_std::strcpy(s,ns); +#endif + } + } + + //! Return or set path to store temporary files. + inline const char* temporary_path(const char *const user_path=0, const bool reinit_path=false) { +#define _cimg_test_temporary_path(p) \ + if (!path_found) { \ + cimg_std::sprintf(st_path,"%s",p); \ + cimg_std::sprintf(tmp,"%s%s%s",st_path,cimg_OS==2?"\\":"/",filetmp); \ + if ((file=cimg_std::fopen(tmp,"wb"))!=0) { cimg_std::fclose(file); cimg_std::remove(tmp); path_found = true; } \ + } + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + char tmp[1024], filetmp[512]; + cimg_std::FILE *file = 0; + cimg_std::sprintf(filetmp,"%s.tmp",cimg::filenamerand()); + char *tmpPath = getenv("TMP"); + if (!tmpPath) { tmpPath = getenv("TEMP"); winformat_string(tmpPath); } + if (tmpPath) _cimg_test_temporary_path(tmpPath); +#if cimg_OS==2 + _cimg_test_temporary_path("C:\\WINNT\\Temp"); + _cimg_test_temporary_path("C:\\WINDOWS\\Temp"); + _cimg_test_temporary_path("C:\\Temp"); + _cimg_test_temporary_path("C:"); + _cimg_test_temporary_path("D:\\WINNT\\Temp"); + _cimg_test_temporary_path("D:\\WINDOWS\\Temp"); + _cimg_test_temporary_path("D:\\Temp"); + _cimg_test_temporary_path("D:"); +#else + _cimg_test_temporary_path("/tmp"); + _cimg_test_temporary_path("/var/tmp"); +#endif + if (!path_found) { + st_path[0]='\0'; + cimg_std::strcpy(tmp,filetmp); + if ((file=cimg_std::fopen(tmp,"wb"))!=0) { cimg_std::fclose(file); cimg_std::remove(tmp); path_found = true; } + } + if (!path_found) + throw CImgIOException("cimg::temporary_path() : Unable to find a temporary path accessible for writing\n" + "you have to set the macro 'cimg_temporary_path' to a valid path where you have writing access :\n" + "#define cimg_temporary_path \"path\" (before including 'CImg.h')"); + } + return st_path; + } + + // Return or set path to the "Program files/" directory (windows only). +#if cimg_OS==2 + inline const char* programfiles_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[MAX_PATH]; + cimg_std::memset(st_path,0,MAX_PATH); + // Note : in the following line, 0x26 = CSIDL_PROGRAM_FILES (not defined on every compiler). +#if !defined(__INTEL_COMPILER) + if (!SHGetSpecialFolderPathA(0,st_path,0x0026,false)) { + const char *pfPath = getenv("PROGRAMFILES"); + if (pfPath) cimg_std::strncpy(st_path,pfPath,MAX_PATH-1); + else cimg_std::strcpy(st_path,"C:\\PROGRA~1"); + } +#else + cimg_std::strcpy(st_path,"C:\\PROGRA~1"); +#endif + } + return st_path; + } +#endif + + //! Return or set path to the ImageMagick's \c convert tool. + inline const char* imagemagick_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + cimg_std::FILE *file = 0; +#if cimg_OS==2 + const char *pf_path = programfiles_path(); + if (!path_found) { + cimg_std::sprintf(st_path,".\\convert.exe"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\IMAGEM~1.%.2d-\\convert.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\IMAGEM~1.%d-Q\\convert.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\IMAGEM~1.%d\\convert.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\IMAGEM~1.%.2d-\\VISUA~1\\BIN\\convert.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\IMAGEM~1.%d-Q\\VISUA~1\\BIN\\convert.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\IMAGEM~1.%d\\VISUA~1\\BIN\\convert.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\IMAGEM~1.%.2d-\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\IMAGEM~1.%d-Q\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\IMAGEM~1.%d\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\IMAGEM~1.%.2d-\\VISUA~1\\BIN\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\IMAGEM~1.%d-Q\\VISUA~1\\BIN\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\IMAGEM~1.%d\\VISUA~1\\BIN\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\IMAGEM~1.%.2d-\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\IMAGEM~1.%d-Q\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\IMAGEM~1.%d\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\IMAGEM~1.%.2d-\\VISUA~1\\BIN\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\IMAGEM~1.%d-Q\\VISUA~1\\BIN\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\IMAGEM~1.%d\\VISUA~1\\BIN\\convert.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + if (!path_found) cimg_std::strcpy(st_path,"convert.exe"); +#else + if (!path_found) { + cimg_std::sprintf(st_path,"./convert"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"convert"); +#endif + winformat_string(st_path); + } + return st_path; + } + + //! Return path of the GraphicsMagick's \c gm tool. + inline const char* graphicsmagick_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + cimg_std::FILE *file = 0; +#if cimg_OS==2 + const char* pf_path = programfiles_path(); + if (!path_found) { + cimg_std::sprintf(st_path,".\\gm.exe"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\GRAPHI~1.%.2d-\\gm.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\GRAPHI~1.%d-Q\\gm.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\GRAPHI~1.%d\\gm.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\GRAPHI~1.%.2d-\\VISUA~1\\BIN\\gm.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\GRAPHI~1.%d-Q\\VISUA~1\\BIN\\gm.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"%s\\GRAPHI~1.%d\\VISUA~1\\BIN\\gm.exe",pf_path,k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\GRAPHI~1.%.2d-\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\GRAPHI~1.%d-Q\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\GRAPHI~1.%d\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\GRAPHI~1.%.2d-\\VISUA~1\\BIN\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\GRAPHI~1.%d-Q\\VISUA~1\\BIN\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"C:\\GRAPHI~1.%d\\VISUA~1\\BIN\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\GRAPHI~1.%.2d-\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\GRAPHI~1.%d-Q\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\GRAPHI~1.%d\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=10 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\GRAPHI~1.%.2d-\\VISUA~1\\BIN\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=9; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\GRAPHI~1.%d-Q\\VISUA~1\\BIN\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + { for (int k=32; k>=0 && !path_found; --k) { + cimg_std::sprintf(st_path,"D:\\GRAPHI~1.%d\\VISUA~1\\BIN\\gm.exe",k); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + }} + if (!path_found) cimg_std::strcpy(st_path,"gm.exe"); +#else + if (!path_found) { + cimg_std::sprintf(st_path,"./gm"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"gm"); +#endif + winformat_string(st_path); + } + return st_path; + } + + //! Return or set path of the \c XMedcon tool. + inline const char* medcon_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + cimg_std::FILE *file = 0; +#if cimg_OS==2 + const char* pf_path = programfiles_path(); + if (!path_found) { + cimg_std::sprintf(st_path,".\\medcon.bat"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) { + cimg_std::sprintf(st_path,".\\medcon.exe"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) { + cimg_std::sprintf(st_path,"%s\\XMedCon\\bin\\medcon.bat",pf_path); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) { + cimg_std::sprintf(st_path,"%s\\XMedCon\\bin\\medcon.exe",pf_path); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"medcon.bat"); +#else + if (!path_found) { + cimg_std::sprintf(st_path,"./medcon"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"medcon"); +#endif + winformat_string(st_path); + } + return st_path; + } + + //! Return or set path to the 'ffmpeg' command. + inline const char *ffmpeg_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + cimg_std::FILE *file = 0; +#if cimg_OS==2 + if (!path_found) { + cimg_std::sprintf(st_path,".\\ffmpeg.exe"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"ffmpeg.exe"); +#else + if (!path_found) { + cimg_std::sprintf(st_path,"./ffmpeg"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"ffmpeg"); +#endif + winformat_string(st_path); + } + return st_path; + } + + //! Return or set path to the 'gzip' command. + inline const char *gzip_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + cimg_std::FILE *file = 0; +#if cimg_OS==2 + if (!path_found) { + cimg_std::sprintf(st_path,".\\gzip.exe"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"gzip.exe"); +#else + if (!path_found) { + cimg_std::sprintf(st_path,"./gzip"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"gzip"); +#endif + winformat_string(st_path); + } + return st_path; + } + + //! Return or set path to the 'gunzip' command. + inline const char *gunzip_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + cimg_std::FILE *file = 0; +#if cimg_OS==2 + if (!path_found) { + cimg_std::sprintf(st_path,".\\gunzip.exe"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"gunzip.exe"); +#else + if (!path_found) { + cimg_std::sprintf(st_path,"./gunzip"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"gunzip"); +#endif + winformat_string(st_path); + } + return st_path; + } + + //! Return or set path to the 'dcraw' command. + inline const char *dcraw_path(const char *const user_path=0, const bool reinit_path=false) { + static char *st_path = 0; + if (reinit_path && st_path) { delete[] st_path; st_path = 0; } + if (user_path) { + if (!st_path) st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + cimg_std::strncpy(st_path,user_path,1023); + } else if (!st_path) { + st_path = new char[1024]; + cimg_std::memset(st_path,0,1024); + bool path_found = false; + cimg_std::FILE *file = 0; +#if cimg_OS==2 + if (!path_found) { + cimg_std::sprintf(st_path,".\\dcraw.exe"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"dcraw.exe"); +#else + if (!path_found) { + cimg_std::sprintf(st_path,"./dcraw"); + if ((file=cimg_std::fopen(st_path,"r"))!=0) { cimg_std::fclose(file); path_found = true; } + } + if (!path_found) cimg_std::strcpy(st_path,"dcraw"); +#endif + winformat_string(st_path); + } + return st_path; + } + + //! Split a filename into two strings 'body' and 'extension'. + inline const char *split_filename(const char *const filename, char *const body=0) { + if (!filename) { if (body) body[0]='\0'; return 0; } + int l = cimg::strfind(filename,'.'); + if (l>=0) { if (body) { cimg_std::strncpy(body,filename,l); body[l]='\0'; }} + else { if (body) cimg_std::strcpy(body,filename); l = (int)cimg::strlen(filename)-1; } + return filename+l+1; + } + + //! Create a numbered version of a filename. + inline char* number_filename(const char *const filename, const int number, const unsigned int n, char *const string) { + if (!filename) { if (string) string[0]='\0'; return 0; } + char format[1024],body[1024]; + const char *ext = cimg::split_filename(filename,body); + if (n>0) cimg_std::sprintf(format,"%s_%%.%ud.%s",body,n,ext); + else cimg_std::sprintf(format,"%s_%%d.%s",body,ext); + cimg_std::sprintf(string,format,number); + return string; + } + + //! Open a file, and check for possible errors. + inline cimg_std::FILE *fopen(const char *const path, const char *const mode) { + if(!path || !mode) + throw CImgArgumentException("cimg::fopen() : File '%s', cannot open with mode '%s'.", + path?path:"(null)",mode?mode:"(null)"); + if (path[0]=='-') return (mode[0]=='r')?stdin:stdout; + cimg_std::FILE *dest = cimg_std::fopen(path,mode); + if (!dest) + throw CImgIOException("cimg::fopen() : File '%s', cannot open file %s", + path,mode[0]=='r'?"for reading.":(mode[0]=='w'?"for writing.":"."),path); + return dest; + } + + //! Close a file, and check for possible errors. + inline int fclose(cimg_std::FILE *file) { + if (!file) warn("cimg::fclose() : Can't close (null) file"); + if (!file || file==stdin || file==stdout) return 0; + const int errn = cimg_std::fclose(file); + if (errn!=0) warn("cimg::fclose() : Error %d during file closing",errn); + return errn; + } + + //! Try to guess the image format of a filename, using its magick numbers. + inline const char *file_type(cimg_std::FILE *const file, const char *const filename) { + static const char + *const _pnm = "pnm", + *const _bmp = "bmp", + *const _gif = "gif", + *const _jpeg = "jpeg", + *const _off = "off", + *const _pan = "pan", + *const _png = "png", + *const _tiff = "tiff"; + if (!filename && !file) throw CImgArgumentException("cimg::file_type() : Cannot load (null) filename."); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + const char *ftype = 0, *head; + char header[2048], item[1024]; + const unsigned char *const uheader = (unsigned char*)header; + int err; + const unsigned int siz = (unsigned int)cimg_std::fread(header,2048,1,nfile); // Read first 2048 bytes. + if (!file) cimg::fclose(nfile); + if (!ftype) { // Check for BMP format. + if (header[0]=='B' && header[1]=='M') ftype = _bmp; + } + if (!ftype) { // Check for GIF format. + if (header[0]=='G' && header[1]=='I' && header[2]=='F' && header[3]=='8' && header[5]=='a' && + (header[4]=='7' || header[4]=='9')) ftype = _gif; + } + if (!ftype) { // Check for JPEG format. + if (uheader[0]==0xFF && uheader[1]==0xD8 && uheader[2]==0xFF) ftype = _jpeg; + } + if (!ftype) { // Check for OFF format. + if (header[0]=='O' && header[1]=='F' && header[2]=='F' && header[3]=='\n') ftype = _off; + } + if (!ftype) { // Check for PAN format. + if (header[0]=='P' && header[1]=='A' && header[2]=='N' && header[3]=='D' && header[4]=='O' && + header[5]=='R' && header[6]=='E') ftype = _pan; + } + if (!ftype) { // Check for PNG format. + if (uheader[0]==0x89 && uheader[1]==0x50 && uheader[2]==0x4E && uheader[3]==0x47 && + uheader[4]==0x0D && uheader[5]==0x0A && uheader[6]==0x1A && uheader[7]==0x0A) ftype = _png; + } + if (!ftype) { // Check for PNM format. + head = header; + while (head<header+siz && (err=cimg_std::sscanf(head,"%1023[^\n]",item))!=EOF && (item[0]=='#' || !err)) + head+=1+(err?cimg::strlen(item):0); + if (cimg_std::sscanf(item," P%d",&err)==1) ftype = _pnm; + } + if (!ftype) { // Check for TIFF format. + if ((uheader[0]==0x49 && uheader[1]==0x49) || (uheader[0]==0x4D && uheader[1]==0x4D)) ftype = _tiff; + } + return ftype; + } + + //! Read file data, and check for possible errors. + template<typename T> + inline int fread(T *const ptr, const unsigned int nmemb, cimg_std::FILE *stream) { + if (!ptr || nmemb<=0 || !stream) + throw CImgArgumentException("cimg::fread() : Can't read %u x %u bytes of file pointer '%p' in buffer '%p'", + nmemb,sizeof(T),stream,ptr); + const unsigned long wlimitT = 63*1024*1024, wlimit = wlimitT/sizeof(T); + unsigned int toread = nmemb, alread = 0, ltoread = 0, lalread = 0; + do { + ltoread = (toread*sizeof(T))<wlimitT?toread:wlimit; + lalread = (unsigned int)cimg_std::fread((void*)(ptr+alread),sizeof(T),ltoread,stream); + alread+=lalread; + toread-=lalread; + } while (ltoread==lalread && toread>0); + if (toread>0) warn("cimg::fread() : File reading problems, only %u/%u elements read",alread,nmemb); + return alread; + } + + //! Write data to a file, and check for possible errors. + template<typename T> + inline int fwrite(const T *ptr, const unsigned int nmemb, cimg_std::FILE *stream) { + if (!ptr || !stream) + throw CImgArgumentException("cimg::fwrite() : Can't write %u x %u bytes of file pointer '%p' from buffer '%p'", + nmemb,sizeof(T),stream,ptr); + if (nmemb<=0) return 0; + const unsigned long wlimitT = 63*1024*1024, wlimit = wlimitT/sizeof(T); + unsigned int towrite = nmemb, alwrite = 0, ltowrite = 0, lalwrite = 0; + do { + ltowrite = (towrite*sizeof(T))<wlimitT?towrite:wlimit; + lalwrite = (unsigned int)cimg_std::fwrite((void*)(ptr+alwrite),sizeof(T),ltowrite,stream); + alwrite+=lalwrite; + towrite-=lalwrite; + } while (ltowrite==lalwrite && towrite>0); + if (towrite>0) warn("cimg::fwrite() : File writing problems, only %u/%u elements written",alwrite,nmemb); + return alwrite; + } + + inline const char* option(const char *const name, const int argc, const char *const *const argv, + const char *defaut, const char *const usage=0) { + static bool first = true, visu = false; + const char *res = 0; + if (first) { + first=false; + visu = (cimg::option("-h",argc,argv,(char*)0)!=0); + visu |= (cimg::option("-help",argc,argv,(char*)0)!=0); + visu |= (cimg::option("--help",argc,argv,(char*)0)!=0); + } + if (!name && visu) { + if (usage) { + cimg_std::fprintf(cimg_stdout,"\n %s%s%s",cimg::t_red,cimg::basename(argv[0]),cimg::t_normal); + cimg_std::fprintf(cimg_stdout," : %s",usage); + cimg_std::fprintf(cimg_stdout," (%s, %s)\n\n",__DATE__,__TIME__); + } + if (defaut) cimg_std::fprintf(cimg_stdout,"%s\n",defaut); + } + if (name) { + if (argc>0) { + int k = 0; + while (k<argc && cimg::strcmp(argv[k],name)) ++k; + res = (k++==argc?defaut:(k==argc?argv[--k]:argv[k])); + } else res = defaut; + if (visu && usage) cimg_std::fprintf(cimg_stdout," %s%-16s%s %-24s %s%s%s\n", + cimg::t_bold,name,cimg::t_normal,res?res:"0",cimg::t_green,usage,cimg::t_normal); + } + return res; + } + + inline bool option(const char *const name, const int argc, const char *const *const argv, + const bool defaut, const char *const usage=0) { + const char *s = cimg::option(name,argc,argv,(char*)0); + const bool res = s?(cimg::strcasecmp(s,"false") && cimg::strcasecmp(s,"off") && cimg::strcasecmp(s,"0")):defaut; + cimg::option(name,0,0,res?"true":"false",usage); + return res; + } + + inline int option(const char *const name, const int argc, const char *const *const argv, + const int defaut, const char *const usage=0) { + const char *s = cimg::option(name,argc,argv,(char*)0); + const int res = s?cimg_std::atoi(s):defaut; + char tmp[256]; + cimg_std::sprintf(tmp,"%d",res); + cimg::option(name,0,0,tmp,usage); + return res; + } + + inline char option(const char *const name, const int argc, const char *const *const argv, + const char defaut, const char *const usage=0) { + const char *s = cimg::option(name,argc,argv,(char*)0); + const char res = s?s[0]:defaut; + char tmp[8]; + tmp[0] = res; tmp[1] ='\0'; + cimg::option(name,0,0,tmp,usage); + return res; + } + + inline float option(const char *const name, const int argc, const char *const *const argv, + const float defaut, const char *const usage=0) { + const char *s = cimg::option(name,argc,argv,(char*)0); + const float res = s?cimg::atof(s):defaut; + char tmp[256]; + cimg_std::sprintf(tmp,"%g",res); + cimg::option(name,0,0,tmp,usage); + return res; + } + + inline double option(const char *const name, const int argc, const char *const *const argv, + const double defaut, const char *const usage=0) { + const char *s = cimg::option(name,argc,argv,(char*)0); + const double res = s?cimg::atof(s):defaut; + char tmp[256]; + cimg_std::sprintf(tmp,"%g",res); + cimg::option(name,0,0,tmp,usage); + return res; + } + + inline const char* argument(const unsigned int nb, const int argc, const char *const *const argv, const unsigned int nb_singles=0, ...) { + for (int k = 1, pos = 0; k<argc;) { + const char *const item = argv[k]; + bool option = (*item=='-'), single_option = false; + if (option) { + va_list ap; + va_start(ap,nb_singles); + for (unsigned int i=0; i<nb_singles; ++i) if (!cimg::strcasecmp(item,va_arg(ap,char*))) { single_option = true; break; } + va_end(ap); + } + if (option) { ++k; if (!single_option) ++k; } + else { if (pos++==(int)nb) return item; else ++k; } + } + return 0; + } + + //! Print informations about %CImg environement variables. + /** + Printing is done on the standard error output. + **/ + inline void info() { + char tmp[1024] = { 0 }; + cimg_std::fprintf(cimg_stdout,"\n %sCImg Library %u.%u.%u%s, compiled %s ( %s ) with the following flags :\n\n", + cimg::t_red,cimg_version/100,(cimg_version/10)%10,cimg_version%10, + cimg::t_normal,__DATE__,__TIME__); + + cimg_std::fprintf(cimg_stdout," > Operating System : %s%-13s%s %s('cimg_OS'=%d)%s\n", + cimg::t_bold, + cimg_OS==1?"Unix":(cimg_OS==2?"Windows":"Unknow"), + cimg::t_normal,cimg::t_green, + cimg_OS, + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > CPU endianness : %s%s Endian%s\n", + cimg::t_bold, + cimg::endianness()?"Big":"Little", + cimg::t_normal); + +#ifdef cimg_use_visualcpp6 + cimg_std::fprintf(cimg_stdout," > Using Visual C++ 6.0 : %s%-13s%s %s('cimg_use_visualcpp6' defined)%s\n", + cimg::t_bold,"Yes",cimg::t_normal,cimg::t_green,cimg::t_normal); +#endif + + cimg_std::fprintf(cimg_stdout," > Debug messages : %s%-13s%s %s('cimg_debug'=%d)%s\n", + cimg::t_bold, + cimg_debug==0?"Quiet":(cimg_debug==1?"Console":(cimg_debug==2?"Dialog":(cimg_debug==3?"Console+Warnings":"Dialog+Warnings"))), + cimg::t_normal,cimg::t_green, + cimg_debug, + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Stricts warnings : %s%-13s%s %s('cimg_strict_warnings' %s)%s\n", + cimg::t_bold, +#ifdef cimg_strict_warnings + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Using VT100 messages : %s%-13s%s %s('cimg_use_vt100' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_vt100 + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Display type : %s%-13s%s %s('cimg_display'=%d)%s\n", + cimg::t_bold, + cimg_display==0?"No display": + (cimg_display==1?"X11": + (cimg_display==2?"Windows GDI": + (cimg_display==3?"Carbon":"Unknow"))), + cimg::t_normal,cimg::t_green, + cimg_display, + cimg::t_normal); + +#if cimg_display==1 + cimg_std::fprintf(cimg_stdout," > Using XShm for X11 : %s%-13s%s %s('cimg_use_xshm' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_xshm + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Using XRand for X11 : %s%-13s%s %s('cimg_use_xrandr' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_xrandr + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); +#endif + cimg_std::fprintf(cimg_stdout," > Using OpenMP : %s%-13s%s %s('cimg_use_openmp' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_openmp + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + cimg_std::fprintf(cimg_stdout," > Using PNG library : %s%-13s%s %s('cimg_use_png' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_png + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + cimg_std::fprintf(cimg_stdout," > Using JPEG library : %s%-13s%s %s('cimg_use_jpeg' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_jpeg + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Using TIFF library : %s%-13s%s %s('cimg_use_tiff' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_tiff + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Using Magick++ library : %s%-13s%s %s('cimg_use_magick' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_magick + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Using FFTW3 library : %s%-13s%s %s('cimg_use_fftw3' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_fftw3 + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout," > Using LAPACK library : %s%-13s%s %s('cimg_use_lapack' %s)%s\n", + cimg::t_bold, +#ifdef cimg_use_lapack + "Yes",cimg::t_normal,cimg::t_green,"defined", +#else + "No",cimg::t_normal,cimg::t_green,"undefined", +#endif + cimg::t_normal); + + cimg_std::sprintf(tmp,"\"%.1020s\"",cimg::imagemagick_path()); + cimg_std::fprintf(cimg_stdout," > Path of ImageMagick : %s%-13s%s\n", + cimg::t_bold, + tmp, + cimg::t_normal); + + cimg_std::sprintf(tmp,"\"%.1020s\"",cimg::graphicsmagick_path()); + cimg_std::fprintf(cimg_stdout," > Path of GraphicsMagick : %s%-13s%s\n", + cimg::t_bold, + tmp, + cimg::t_normal); + + cimg_std::sprintf(tmp,"\"%.1020s\"",cimg::medcon_path()); + cimg_std::fprintf(cimg_stdout," > Path of 'medcon' : %s%-13s%s\n", + cimg::t_bold, + tmp, + cimg::t_normal); + + cimg_std::sprintf(tmp,"\"%.1020s\"",cimg::temporary_path()); + cimg_std::fprintf(cimg_stdout," > Temporary path : %s%-13s%s\n", + cimg::t_bold, + tmp, + cimg::t_normal); + + cimg_std::fprintf(cimg_stdout,"\n"); + } + + // Declare LAPACK function signatures if necessary. + // +#ifdef cimg_use_lapack + template<typename T> + inline void getrf(int &N, T *lapA, int *IPIV, int &INFO) { + dgetrf_(&N,&N,lapA,&N,IPIV,&INFO); + } + + inline void getrf(int &N, float *lapA, int *IPIV, int &INFO) { + sgetrf_(&N,&N,lapA,&N,IPIV,&INFO); + } + + template<typename T> + inline void getri(int &N, T *lapA, int *IPIV, T* WORK, int &LWORK, int &INFO) { + dgetri_(&N,lapA,&N,IPIV,WORK,&LWORK,&INFO); + } + + inline void getri(int &N, float *lapA, int *IPIV, float* WORK, int &LWORK, int &INFO) { + sgetri_(&N,lapA,&N,IPIV,WORK,&LWORK,&INFO); + } + + template<typename T> + inline void gesvd(char &JOB, int &M, int &N, T *lapA, int &MN, + T *lapS, T *lapU, T *lapV, T *WORK, int &LWORK, int &INFO) { + dgesvd_(&JOB,&JOB,&M,&N,lapA,&MN,lapS,lapU,&M,lapV,&N,WORK,&LWORK,&INFO); + } + + inline void gesvd(char &JOB, int &M, int &N, float *lapA, int &MN, + float *lapS, float *lapU, float *lapV, float *WORK, int &LWORK, int &INFO) { + sgesvd_(&JOB,&JOB,&M,&N,lapA,&MN,lapS,lapU,&M,lapV,&N,WORK,&LWORK,&INFO); + } + + template<typename T> + inline void getrs(char &TRANS, int &N, T *lapA, int *IPIV, T *lapB, int &INFO) { + int one = 1; + dgetrs_(&TRANS,&N,&one,lapA,&N,IPIV,lapB,&N,&INFO); + } + + inline void getrs(char &TRANS, int &N, float *lapA, int *IPIV, float *lapB, int &INFO) { + int one = 1; + sgetrs_(&TRANS,&N,&one,lapA,&N,IPIV,lapB,&N,&INFO); + } + + template<typename T> + inline void syev(char &JOB, char &UPLO, int &N, T *lapA, T *lapW, T *WORK, int &LWORK, int &INFO) { + dsyev_(&JOB,&UPLO,&N,lapA,&N,lapW,WORK,&LWORK,&INFO); + } + + inline void syev(char &JOB, char &UPLO, int &N, float *lapA, float *lapW, float *WORK, int &LWORK, int &INFO) { + ssyev_(&JOB,&UPLO,&N,lapA,&N,lapW,WORK,&LWORK,&INFO); + } +#endif + + // End of the 'cimg' namespace + } + + /*------------------------------------------------ + # + # + # Definition of mathematical operators and + # external functions. + # + # + -------------------------------------------------*/ + // + // These functions are extern to any classes and can be used for a "functional-style" programming, + // such as writting : + // cos(img); + // instead of img.get_cos(); + // + // Note that only the arithmetic operators and functions are implemented here. + // + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator+(const CImg<t>& img, const t val) { + return CImg<t>(img,false)+=val; + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator+(const CImg<t1>& img, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img,false)+=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator+(const t val, const CImg<t>& img) { + return img + val; + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator+(const t1 val, const CImg<t2>& img) { + return img + val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<t> operator+(const CImgList<t>& list, const t val) { + return CImgList<t>(list)+=val; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator+(const CImgList<t1>& list, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list)+=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<t> operator+(const t val, const CImgList<t>& list) { + return list + val; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator+(const t1 val, const CImgList<t2>& list) { + return list + val; + } +#endif + + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator+(const CImg<t1>& img1, const CImg<t2>& img2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img1,false)+=img2; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator+(const CImg<t1>& img, const CImgList<t2>& list) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list)+=img; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator+(const CImgList<t1>& list, const CImg<t2>& img) { + return img + list; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator+(const CImgList<t1>& list1, const CImgList<t2>& list2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list1)+=list2; + } + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator-(const CImg<t>& img, const t val) { + return CImg<t>(img,false)-=val; + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator-(const CImg<t1>& img, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img,false)-=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator-(const t val, const CImg<t>& img) { + return CImg<t>(img.width,img.height,img.depth,img.dim,val)-=img; + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator-(const t1 val, const CImg<t2>& img) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img.width,img.height,img.depth,img.dim,(t1t2)val)-=img; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<t> operator-(const CImgList<t>& list, const t val) { + return CImgList<t>(list)-=val; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator-(const CImgList<t1>& list, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list)-=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<double> operator-(const t val, const CImgList<t>& list) { + CImgList<t> res(list.size); + cimglist_for(res,l) res[l] = val - list[l]; + return res; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator-(const t1 val, const CImgList<t2>& list) { + typedef typename cimg::superset<t1,t2>::type t1t2; + CImgList<t1t2> res(list.size); + cimglist_for(res,l) res[l] = val - list[l]; + return res; + } +#endif + + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator-(const CImg<t1>& img1, const CImg<t2>& img2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img1,false)-=img2; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator-(const CImg<t1>& img, const CImgList<t2>& list) { + typedef typename cimg::superset<t1,t2>::type t1t2; + CImgList<t1t2> res(list.size); + cimglist_for(res,l) res[l] = img - list[l]; + return res; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator-(const CImgList<t1>& list, const CImg<t2>& img) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list)-=img; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator-(const CImgList<t1>& list1, const CImgList<t2>& list2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list1)-=list2; + } + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator*(const CImg<t>& img, const double val) { + return CImg<t>(img,false)*=val; + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator*(const CImg<t1>& img, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img,false)*=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator*(const double val, const CImg<t>& img) { + return img*val; + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator*(const t1 val, const CImg<t2>& img) { + return img*val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<t> operator*(const CImgList<t>& list, const double val) { + return CImgList<t>(list)*=val; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator*(const CImgList<t1>& list, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list)*=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<t> operator*(const double val, const CImgList<t>& list) { + return list*val; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator*(const t1 val, const CImgList<t2>& list) { + return list*val; + } +#endif + + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator*(const CImg<t1>& img1, const CImg<t2>& img2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + if (img1.width!=img2.height) + throw CImgArgumentException("operator*() : can't multiply a matrix (%ux%u) by a matrix (%ux%u)", + img1.width,img1.height,img2.width,img2.height); + CImg<t1t2> res(img2.width,img1.height); + t1t2 val; +#ifdef cimg_use_openmp +#pragma omp parallel for if (img1.size()>=1000 && img2.size()>=1000) private(val) +#endif + cimg_forXY(res,i,j) { val = 0; cimg_forX(img1,k) val+=img1(k,j)*img2(i,k); res(i,j) = val; } + return res; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator*(const CImg<t1>& img, const CImgList<t2>& list) { + typedef typename cimg::superset<t1,t2>::type t1t2; + CImgList<t1t2> res(list.size); + cimglist_for(res,l) res[l] = img*list[l]; + return res; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator*(const CImgList<t1>& list, const CImg<t2>& img) { + typedef typename cimg::superset<t1,t2>::type t1t2; + CImgList<t1t2> res(list.size); + cimglist_for(res,l) res[l] = list[l]*img; + return res; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator*(const CImgList<t1>& list1, const CImgList<t2>& list2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + CImgList<t1t2> res(cimg::min(list1.size,list2.size)); + cimglist_for(res,l) res[l] = list1[l]*list2[l]; + return res; + } + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator/(const CImg<t>& img, const double val) { + return CImg<t>(img,false)/=val; + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator/(const CImg<t1>& img, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img,false)/=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImg<t> operator/(const double val, CImg<t>& img) { + return val*img.get_invert(); + } +#else + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator/(const t1 val, CImg<t2>& img) { + return val*img.get_invert(); + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<t> operator/(const CImgList<t>& list, const double val) { + return CImgList<t>(list)/=val; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator/(const CImgList<t1>& list, const t2 val) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list)/=val; + } +#endif + +#ifdef cimg_use_visualcpp6 + template<typename t> + inline CImgList<t> operator/(const double val, const CImgList<t>& list) { + CImgList<t> res(list.size); + cimglist_for(res,l) res[l] = val/list[l]; + return res; + } +#else + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator/(const t1 val, const CImgList<t2>& list) { + typedef typename cimg::superset<t1,t2>::type t1t2; + CImgList<t1t2> res(list.size); + cimglist_for(res,l) res[l] = val/list[l]; + return res; + } +#endif + + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator/(const CImg<t1>& img1, const CImg<t2>& img2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImg<t1t2>(img1,false)*=img2.get_invert(); + } + + template<typename t1, typename t2> + inline CImg<typename cimg::superset<t1,t2>::type> operator/(const CImg<t1>& img, const CImgList<t2>& list) { + typedef typename cimg::superset<t1,t2>::type t1t2; + CImgList<t1t2> res(list.size); + cimglist_for(res,l) res[l] = img/list[l]; + return res; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator/(const CImgList<t1>& list, const CImg<t2>& img) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list)/=img; + } + + template<typename t1, typename t2> + inline CImgList<typename cimg::superset<t1,t2>::type> operator/(const CImgList<t1>& list1, const CImgList<t2>& list2) { + typedef typename cimg::superset<t1,t2>::type t1t2; + return CImgList<t1t2>(list1)/=list2; + } + + template<typename T> + inline CImg<_cimg_Tfloat> sqr(const CImg<T>& instance) { + return instance.get_sqr(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> sqrt(const CImg<T>& instance) { + return instance.get_sqrt(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> exp(const CImg<T>& instance) { + return instance.get_exp(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> log(const CImg<T>& instance) { + return instance.get_log(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> log10(const CImg<T>& instance) { + return instance.get_log10(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> abs(const CImg<T>& instance) { + return instance.get_abs(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> cos(const CImg<T>& instance) { + return instance.get_cos(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> sin(const CImg<T>& instance) { + return instance.get_sin(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> tan(const CImg<T>& instance) { + return instance.get_tan(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> acos(const CImg<T>& instance) { + return instance.get_acos(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> asin(const CImg<T>& instance) { + return instance.get_asin(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> atan(const CImg<T>& instance) { + return instance.get_atan(); + } + + template<typename T> + inline CImg<T> transpose(const CImg<T>& instance) { + return instance.get_transpose(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> invert(const CImg<T>& instance) { + return instance.get_invert(); + } + + template<typename T> + inline CImg<_cimg_Tfloat> pseudoinvert(const CImg<T>& instance) { + return instance.get_pseudoinvert(); + } + + /*------------------------------------------- + # + # + # + # Definition of the CImgDisplay structure + # + # + # + --------------------------------------------*/ + + //! This class represents a window which can display \ref CImg images and handles mouse and keyboard events. + /** + Creating a \c CImgDisplay instance opens a window that can be used to display a \c CImg<T> image + of a \c CImgList<T> image list inside. When a display is created, associated window events + (such as mouse motion, keyboard and window size changes) are handled and can be easily + detected by testing specific \c CImgDisplay data fields. + See \ref cimg_displays for a complete tutorial on using the \c CImgDisplay class. + **/ + + struct CImgDisplay { + + //! Width of the display + unsigned int width; + + //! Height of the display + unsigned int height; + + //! Normalization type used for the display + unsigned int normalization; + + //! Display title + char* title; + + //! X-pos of the display on the screen + volatile int window_x; + + //! Y-pos of the display on the screen + volatile int window_y; + + //! Width of the underlying window + volatile unsigned int window_width; + + //! Height of the underlying window + volatile unsigned int window_height; + + //! X-coordinate of the mouse pointer on the display + volatile int mouse_x; + + //! Y-coordinate of the mouse pointer on the display + volatile int mouse_y; + + //! Button state of the mouse + volatile unsigned int buttons[512]; + volatile unsigned int& button; + + //! Wheel state of the mouse + volatile int wheel; + + //! Key value if pressed + volatile unsigned int& key; + volatile unsigned int keys[512]; + + //! Key value if released + volatile unsigned int& released_key; + volatile unsigned int released_keys[512]; + + //! Closed state of the window + volatile bool is_closed; + + //! Resized state of the window + volatile bool is_resized; + + //! Moved state of the window + volatile bool is_moved; + + //! Event state of the window + volatile bool is_event; + + //! Current state of the corresponding key (exists for all referenced keys). + volatile bool is_keyESC; + volatile bool is_keyF1; + volatile bool is_keyF2; + volatile bool is_keyF3; + volatile bool is_keyF4; + volatile bool is_keyF5; + volatile bool is_keyF6; + volatile bool is_keyF7; + volatile bool is_keyF8; + volatile bool is_keyF9; + volatile bool is_keyF10; + volatile bool is_keyF11; + volatile bool is_keyF12; + volatile bool is_keyPAUSE; + volatile bool is_key1; + volatile bool is_key2; + volatile bool is_key3; + volatile bool is_key4; + volatile bool is_key5; + volatile bool is_key6; + volatile bool is_key7; + volatile bool is_key8; + volatile bool is_key9; + volatile bool is_key0; + volatile bool is_keyBACKSPACE; + volatile bool is_keyINSERT; + volatile bool is_keyHOME; + volatile bool is_keyPAGEUP; + volatile bool is_keyTAB; + volatile bool is_keyQ; + volatile bool is_keyW; + volatile bool is_keyE; + volatile bool is_keyR; + volatile bool is_keyT; + volatile bool is_keyY; + volatile bool is_keyU; + volatile bool is_keyI; + volatile bool is_keyO; + volatile bool is_keyP; + volatile bool is_keyDELETE; + volatile bool is_keyEND; + volatile bool is_keyPAGEDOWN; + volatile bool is_keyCAPSLOCK; + volatile bool is_keyA; + volatile bool is_keyS; + volatile bool is_keyD; + volatile bool is_keyF; + volatile bool is_keyG; + volatile bool is_keyH; + volatile bool is_keyJ; + volatile bool is_keyK; + volatile bool is_keyL; + volatile bool is_keyENTER; + volatile bool is_keySHIFTLEFT; + volatile bool is_keyZ; + volatile bool is_keyX; + volatile bool is_keyC; + volatile bool is_keyV; + volatile bool is_keyB; + volatile bool is_keyN; + volatile bool is_keyM; + volatile bool is_keySHIFTRIGHT; + volatile bool is_keyARROWUP; + volatile bool is_keyCTRLLEFT; + volatile bool is_keyAPPLEFT; + volatile bool is_keyALT; + volatile bool is_keySPACE; + volatile bool is_keyALTGR; + volatile bool is_keyAPPRIGHT; + volatile bool is_keyMENU; + volatile bool is_keyCTRLRIGHT; + volatile bool is_keyARROWLEFT; + volatile bool is_keyARROWDOWN; + volatile bool is_keyARROWRIGHT; + volatile bool is_keyPAD0; + volatile bool is_keyPAD1; + volatile bool is_keyPAD2; + volatile bool is_keyPAD3; + volatile bool is_keyPAD4; + volatile bool is_keyPAD5; + volatile bool is_keyPAD6; + volatile bool is_keyPAD7; + volatile bool is_keyPAD8; + volatile bool is_keyPAD9; + volatile bool is_keyPADADD; + volatile bool is_keyPADSUB; + volatile bool is_keyPADMUL; + volatile bool is_keyPADDIV; + + //! Fullscreen state of the display + bool is_fullscreen; + + float fps_fps, min, max; + unsigned long timer, fps_frames, fps_timer; + +#ifdef cimgdisplay_plugin +#include cimgdisplay_plugin +#endif +#ifdef cimgdisplay_plugin1 +#include cimgdisplay_plugin1 +#endif +#ifdef cimgdisplay_plugin2 +#include cimgdisplay_plugin2 +#endif +#ifdef cimgdisplay_plugin3 +#include cimgdisplay_plugin3 +#endif +#ifdef cimgdisplay_plugin4 +#include cimgdisplay_plugin4 +#endif +#ifdef cimgdisplay_plugin5 +#include cimgdisplay_plugin5 +#endif +#ifdef cimgdisplay_plugin6 +#include cimgdisplay_plugin6 +#endif +#ifdef cimgdisplay_plugin7 +#include cimgdisplay_plugin7 +#endif +#ifdef cimgdisplay_plugin8 +#include cimgdisplay_plugin8 +#endif + + //! Create an empty display window. + CImgDisplay(): + width(0),height(0),normalization(0),title(0), + window_x(0),window_y(0),window_width(0),window_height(0), + mouse_x(0),mouse_y(0),button(*buttons),wheel(0),key(*keys),released_key(*released_keys), + is_closed(true),is_resized(false),is_moved(false),is_event(false),is_fullscreen(false), + min(0),max(0) {} + + //! Create a display window with a specified size \p pwidth x \p height. + /** \param dimw Width of the display window. + \param dimh Height of the display window. + \param title Title of the display window. + \param normalization_type Normalization type of the display window (0=none, 1=always, 2=once). + \param fullscreen_flag : Fullscreen mode. + \param closed_flag : Initially visible mode. + A black image will be initially displayed in the display window. + **/ + CImgDisplay(const unsigned int dimw, const unsigned int dimh, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false): + width(0),height(0),normalization(0),title(0), + window_x(0),window_y(0),window_width(0),window_height(0), + mouse_x(0),mouse_y(0),button(*buttons),wheel(0),key(*keys),released_key(*released_keys), + is_closed(true),is_resized(false),is_moved(false),is_event(false),is_fullscreen(false), + min(0),max(0) { + assign(dimw,dimh,title,normalization_type,fullscreen_flag,closed_flag); + } + + //! Create a display window from an image. + /** \param img : Image that will be used to create the display window. + \param title : Title of the display window + \param normalization_type : Normalization type of the display window. + \param fullscreen_flag : Fullscreen mode. + \param closed_flag : Initially visible mode. + **/ + template<typename T> + CImgDisplay(const CImg<T>& img, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false): + width(0),height(0),normalization(0),title(0), + window_x(0),window_y(0),window_width(0),window_height(0), + mouse_x(0),mouse_y(0),button(*buttons),wheel(0),key(*keys),released_key(*released_keys), + is_closed(true),is_resized(false),is_moved(false),is_event(false),is_fullscreen(false),min(0),max(0) { + assign(img,title,normalization_type,fullscreen_flag,closed_flag); + } + + //! Create a display window from an image list. + /** \param list : The list of images to display. + \param title : Title of the display window + \param normalization_type : Normalization type of the display window. + \param fullscreen_flag : Fullscreen mode. + \param closed_flag : Initially visible mode. + **/ + template<typename T> + CImgDisplay(const CImgList<T>& list, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false): + width(0),height(0),normalization(0),title(0), + window_x(0),window_y(0),window_width(0),window_height(0), + mouse_x(0),mouse_y(0),button(*buttons),wheel(0),key(*keys),released_key(*released_keys), + is_closed(true),is_resized(false),is_moved(false),is_event(false),is_fullscreen(false),min(0),max(0) { + assign(list,title,normalization_type,fullscreen_flag,closed_flag); + } + + //! Create a display window by copying another one. + /** + \param disp : Display window to copy. + **/ + CImgDisplay(const CImgDisplay& disp): + width(0),height(0),normalization(0),title(0), + window_x(0),window_y(0),window_width(0),window_height(0), + mouse_x(0),mouse_y(0),button(*buttons),wheel(0),key(*keys),released_key(*released_keys), + is_closed(true),is_resized(false),is_moved(false),is_event(false),is_fullscreen(false),min(0),max(0) { + assign(disp); + } + + //! Destructor. + ~CImgDisplay() { + assign(); + } + + //! Assignment operator. + CImgDisplay& operator=(const CImgDisplay& disp) { + return assign(disp); + } + + //! Return true is display is empty. + bool is_empty() const { + return (!width || !height); + } + + //! Return true if display is not empty. + operator bool() const { + return !is_empty(); + } + + //! Return display width. + int dimx() const { + return (int)width; + } + + //! Return display height. + int dimy() const { + return (int)height; + } + + //! Return display window width. + int window_dimx() const { + return (int)window_width; + } + + //! Return display window height. + int window_dimy() const { + return (int)window_height; + } + + //! Return X-coordinate of the window. + int window_posx() const { + return window_x; + } + + //! Return Y-coordinate of the window. + int window_posy() const { + return window_y; + } + + //! Synchronized waiting function. Same as cimg::wait(). + CImgDisplay& wait(const unsigned int milliseconds) { + cimg::_sleep(milliseconds,timer); + return *this; + } + + //! Wait for an event occuring on the current display. + CImgDisplay& wait() { + if (!is_empty()) wait(*this); + return *this; + } + + //! Wait for any event occuring on the display \c disp1. + static void wait(CImgDisplay& disp1) { + disp1.is_event = 0; + while (!disp1.is_event) wait_all(); + } + + //! Wait for any event occuring either on the display \c disp1 or \c disp2. + static void wait(CImgDisplay& disp1, CImgDisplay& disp2) { + disp1.is_event = disp2.is_event = 0; + while (!disp1.is_event && !disp2.is_event) wait_all(); + } + + //! Wait for any event occuring either on the display \c disp1, \c disp2 or \c disp3. + static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3) { + disp1.is_event = disp2.is_event = disp3.is_event = 0; + while (!disp1.is_event && !disp2.is_event && !disp3.is_event) wait_all(); + } + + //! Wait for any event occuring either on the display \c disp1, \c disp2, \c disp3 or \c disp4. + static void wait(CImgDisplay& disp1, CImgDisplay& disp2, CImgDisplay& disp3, CImgDisplay& disp4) { + disp1.is_event = disp2.is_event = disp3.is_event = disp4.is_event = 0; + while (!disp1.is_event && !disp2.is_event && !disp3.is_event && !disp4.is_event) wait_all(); + } + + //! Return the frame per second rate. + float frames_per_second() { + if (!fps_timer) fps_timer = cimg::time(); + const float delta = (cimg::time()-fps_timer)/1000.0f; + ++fps_frames; + if (delta>=1) { + fps_fps = fps_frames/delta; + fps_frames = 0; + fps_timer = cimg::time(); + } + return fps_fps; + } + + //! Display an image list CImgList<T> into a display window. + /** First, all images of the list are appended into a single image used for visualization, + then this image is displayed in the current display window. + \param list : The list of images to display. + \param axis : The axis used to append the image for visualization. Can be 'x' (default),'y','z' or 'v'. + \param align : Defines the relative alignment of images when displaying images of different sizes. + Can be '\p c' (centered, which is the default), '\p p' (top alignment) and '\p n' (bottom aligment). + **/ + template<typename T> + CImgDisplay& display(const CImgList<T>& list, const char axis='x', const char align='p') { + return display(list.get_append(axis,align)); + } + + //! Display an image CImg<T> into a display window. + template<typename T> + CImgDisplay& operator<<(const CImg<T>& img) { + return display(img); + } + + //! Display an image CImg<T> into a display window. + template<typename T> + CImgDisplay& operator<<(const CImgList<T>& list) { + return display(list); + } + + //! Resize a display window with the size of an image. + /** \param img : Input image. \p image.width and \p image.height give the new dimensions of the display window. + \param redraw : If \p true (default), the current displayed image in the display window will + be bloc-interpolated to fit the new dimensions. If \p false, a black image will be drawn in the resized window. + **/ + template<typename T> + CImgDisplay& resize(const CImg<T>& img, const bool redraw=true) { + return resize(img.width,img.height,redraw); + } + + //! Resize a display window using the size of the given display \p disp. + CImgDisplay& resize(const CImgDisplay& disp, const bool redraw=true) { + return resize(disp.width,disp.height,redraw); + } + + //! Resize a display window in its current size. + CImgDisplay& resize(const bool redraw=true) { + resize(window_width,window_height,redraw); + return *this; + } + + //! Set fullscreen mode. + CImgDisplay& fullscreen(const bool redraw=true) { + if (is_empty() || is_fullscreen) return *this; + return toggle_fullscreen(redraw); + } + + //! Set normal screen mode. + CImgDisplay& normalscreen(const bool redraw=true) { + if (is_empty() || !is_fullscreen) return *this; + return toggle_fullscreen(redraw); + } + + // Inner routine used for fast resizing of buffer to display size. + template<typename t, typename T> + static void _render_resize(const T *ptrs, const unsigned int ws, const unsigned int hs, + t *ptrd, const unsigned int wd, const unsigned int hd) { + unsigned int *const offx = new unsigned int[wd], *const offy = new unsigned int[hd+1], *poffx, *poffy; + float s, curr, old; + s = (float)ws/wd; + poffx = offx; curr = 0; for (unsigned int x=0; x<wd; ++x) { old=curr; curr+=s; *(poffx++) = (unsigned int)curr-(unsigned int)old; } + s = (float)hs/hd; + poffy = offy; curr = 0; for (unsigned int y=0; y<hd; ++y) { old=curr; curr+=s; *(poffy++) = ws*((unsigned int)curr-(unsigned int)old); } + *poffy = 0; + poffy = offy; + {for (unsigned int y=0; y<hd; ) { + const T *ptr = ptrs; + poffx = offx; + for (unsigned int x=0; x<wd; ++x) { *(ptrd++) = *ptr; ptr+=*(poffx++); } + ++y; + unsigned int dy=*(poffy++); + for (;!dy && y<hd; cimg_std::memcpy(ptrd, ptrd-wd, sizeof(t)*wd), ++y, ptrd+=wd, dy=*(poffy++)) {} + ptrs+=dy; + }} + delete[] offx; delete[] offy; + } + + //! Clear all events of the current display. + CImgDisplay& flush() { + cimg_std::memset((void*)buttons,0,512*sizeof(unsigned int)); + cimg_std::memset((void*)keys,0,512*sizeof(unsigned int)); + cimg_std::memset((void*)released_keys,0,512*sizeof(unsigned int)); + is_keyESC = is_keyF1 = is_keyF2 = is_keyF3 = is_keyF4 = is_keyF5 = is_keyF6 = is_keyF7 = is_keyF8 = is_keyF9 = + is_keyF10 = is_keyF11 = is_keyF12 = is_keyPAUSE = is_key1 = is_key2 = is_key3 = is_key4 = is_key5 = is_key6 = + is_key7 = is_key8 = is_key9 = is_key0 = is_keyBACKSPACE = is_keyINSERT = is_keyHOME = is_keyPAGEUP = is_keyTAB = + is_keyQ = is_keyW = is_keyE = is_keyR = is_keyT = is_keyY = is_keyU = is_keyI = is_keyO = is_keyP = is_keyDELETE = + is_keyEND = is_keyPAGEDOWN = is_keyCAPSLOCK = is_keyA = is_keyS = is_keyD = is_keyF = is_keyG = is_keyH = is_keyJ = + is_keyK = is_keyL = is_keyENTER = is_keySHIFTLEFT = is_keyZ = is_keyX = is_keyC = is_keyV = is_keyB = is_keyN = + is_keyM = is_keySHIFTRIGHT = is_keyARROWUP = is_keyCTRLLEFT = is_keyAPPLEFT = is_keyALT = is_keySPACE = is_keyALTGR = is_keyAPPRIGHT = + is_keyMENU = is_keyCTRLRIGHT = is_keyARROWLEFT = is_keyARROWDOWN = is_keyARROWRIGHT = is_keyPAD0 = is_keyPAD1 = is_keyPAD2 = + is_keyPAD3 = is_keyPAD4 = is_keyPAD5 = is_keyPAD6 = is_keyPAD7 = is_keyPAD8 = is_keyPAD9 = is_keyPADADD = is_keyPADSUB = + is_keyPADMUL = is_keyPADDIV = false; + is_resized = is_moved = is_event = false; + fps_timer = fps_frames = timer = wheel = 0; + mouse_x = mouse_y = -1; + fps_fps = 0; + return *this; + } + + // Update 'is_key' fields. + void update_iskey(const unsigned int key, const bool pressed=true) { +#define _cimg_iskey_case(k) if (key==cimg::key##k) is_key##k = pressed; + _cimg_iskey_case(ESC); _cimg_iskey_case(F1); _cimg_iskey_case(F2); _cimg_iskey_case(F3); + _cimg_iskey_case(F4); _cimg_iskey_case(F5); _cimg_iskey_case(F6); _cimg_iskey_case(F7); + _cimg_iskey_case(F8); _cimg_iskey_case(F9); _cimg_iskey_case(F10); _cimg_iskey_case(F11); + _cimg_iskey_case(F12); _cimg_iskey_case(PAUSE); _cimg_iskey_case(1); _cimg_iskey_case(2); + _cimg_iskey_case(3); _cimg_iskey_case(4); _cimg_iskey_case(5); _cimg_iskey_case(6); + _cimg_iskey_case(7); _cimg_iskey_case(8); _cimg_iskey_case(9); _cimg_iskey_case(0); + _cimg_iskey_case(BACKSPACE); _cimg_iskey_case(INSERT); _cimg_iskey_case(HOME); + _cimg_iskey_case(PAGEUP); _cimg_iskey_case(TAB); _cimg_iskey_case(Q); _cimg_iskey_case(W); + _cimg_iskey_case(E); _cimg_iskey_case(R); _cimg_iskey_case(T); _cimg_iskey_case(Y); + _cimg_iskey_case(U); _cimg_iskey_case(I); _cimg_iskey_case(O); _cimg_iskey_case(P); + _cimg_iskey_case(DELETE); _cimg_iskey_case(END); _cimg_iskey_case(PAGEDOWN); + _cimg_iskey_case(CAPSLOCK); _cimg_iskey_case(A); _cimg_iskey_case(S); _cimg_iskey_case(D); + _cimg_iskey_case(F); _cimg_iskey_case(G); _cimg_iskey_case(H); _cimg_iskey_case(J); + _cimg_iskey_case(K); _cimg_iskey_case(L); _cimg_iskey_case(ENTER); + _cimg_iskey_case(SHIFTLEFT); _cimg_iskey_case(Z); _cimg_iskey_case(X); _cimg_iskey_case(C); + _cimg_iskey_case(V); _cimg_iskey_case(B); _cimg_iskey_case(N); _cimg_iskey_case(M); + _cimg_iskey_case(SHIFTRIGHT); _cimg_iskey_case(ARROWUP); _cimg_iskey_case(CTRLLEFT); + _cimg_iskey_case(APPLEFT); _cimg_iskey_case(ALT); _cimg_iskey_case(SPACE); _cimg_iskey_case(ALTGR); + _cimg_iskey_case(APPRIGHT); _cimg_iskey_case(MENU); _cimg_iskey_case(CTRLRIGHT); + _cimg_iskey_case(ARROWLEFT); _cimg_iskey_case(ARROWDOWN); _cimg_iskey_case(ARROWRIGHT); + _cimg_iskey_case(PAD0); _cimg_iskey_case(PAD1); _cimg_iskey_case(PAD2); + _cimg_iskey_case(PAD3); _cimg_iskey_case(PAD4); _cimg_iskey_case(PAD5); + _cimg_iskey_case(PAD6); _cimg_iskey_case(PAD7); _cimg_iskey_case(PAD8); + _cimg_iskey_case(PAD9); _cimg_iskey_case(PADADD); _cimg_iskey_case(PADSUB); + _cimg_iskey_case(PADMUL); _cimg_iskey_case(PADDIV); + } + + //! Test if any key has been pressed. + bool is_key(const bool remove=false) { + for (unsigned int *ptrs=(unsigned int*)keys+512-1; ptrs>=keys; --ptrs) if (*ptrs) { if (remove) *ptrs = 0; return true; } + return false; + } + + //! Test if a key has been pressed. + bool is_key(const unsigned int key1, const bool remove) { + for (unsigned int *ptrs=(unsigned int*)keys+512-1; ptrs>=keys; --ptrs) if (*ptrs==key1) { if (remove) *ptrs = 0; return true; } + return false; + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const bool remove) { + const unsigned int seq[] = { key1, key2 }; + return is_key(seq,2,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const unsigned int key3, const bool remove) { + const unsigned int seq[] = { key1, key2, key3 }; + return is_key(seq,3,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const unsigned int key3, + const unsigned int key4, const bool remove) { + const unsigned int seq[] = { key1, key2, key3, key4 }; + return is_key(seq,4,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const unsigned int key3, + const unsigned int key4, const unsigned int key5, const bool remove) { + const unsigned int seq[] = { key1, key2, key3, key4, key5 }; + return is_key(seq,5,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const unsigned int key3, + const unsigned int key4, const unsigned int key5, const unsigned int key6, const bool remove) { + const unsigned int seq[] = { key1, key2, key3, key4, key5, key6 }; + return is_key(seq,6,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const unsigned int key3, + const unsigned int key4, const unsigned int key5, const unsigned int key6, + const unsigned int key7, const bool remove) { + const unsigned int seq[] = { key1, key2, key3, key4, key5, key6, key7 }; + return is_key(seq,7,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const unsigned int key3, + const unsigned int key4, const unsigned int key5, const unsigned int key6, + const unsigned int key7, const unsigned int key8, const bool remove) { + const unsigned int seq[] = { key1, key2, key3, key4, key5, key6, key7, key8 }; + return is_key(seq,8,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int key1, const unsigned int key2, const unsigned int key3, + const unsigned int key4, const unsigned int key5, const unsigned int key6, + const unsigned int key7, const unsigned int key8, const unsigned int key9, const bool remove) { + const unsigned int seq[] = { key1, key2, key3, key4, key5, key6, key7, key8, key9 }; + return is_key(seq,9,remove); + } + + //! Test if a key sequence has been typed. + bool is_key(const unsigned int *const keyseq, const unsigned int N, const bool remove=true) { + if (keyseq && N) { + const unsigned int *const ps_end = keyseq+N-1, k = *ps_end, *const pk_end = (unsigned int*)keys+1+512-N; + for (unsigned int *pk = (unsigned int*)keys; pk<pk_end; ) { + if (*(pk++)==k) { + bool res = true; + const unsigned int *ps = ps_end, *pk2 = pk; + for (unsigned int i=1; i<N; ++i) res = (*(--ps)==*(pk2++)); + if (res) { + if (remove) cimg_std::memset((void*)(pk-1),0,sizeof(unsigned int)*N); + return true; + } + } + } + } + return false; + } + + // Find the good width and height of a window to display an image (internal routine). +#define cimg_fitscreen(dx,dy,dz) CImgDisplay::_fitscreen(dx,dy,dz,128,-85,false),CImgDisplay::_fitscreen(dx,dy,dz,128,-85,true) + static unsigned int _fitscreen(const unsigned int dx, const unsigned int dy=1, const unsigned int dz=1, + const int dmin=128, const int dmax=-85,const bool return_last=false) { + unsigned int nw = dx + (dz>1?dz:0), nh = dy + (dz>1?dz:0); + const unsigned int + sw = CImgDisplay::screen_dimx(), sh = CImgDisplay::screen_dimy(), + mw = dmin<0?(unsigned int)(sw*-dmin/100):(unsigned int)dmin, + mh = dmin<0?(unsigned int)(sh*-dmin/100):(unsigned int)dmin, + Mw = dmax<0?(unsigned int)(sw*-dmax/100):(unsigned int)dmax, + Mh = dmax<0?(unsigned int)(sh*-dmax/100):(unsigned int)dmax; + if (nw<mw) { nh = nh*mw/nw; nh+=(nh==0); nw = mw; } + if (nh<mh) { nw = nw*mh/nh; nw+=(nw==0); nh = mh; } + if (nw>Mw) { nh = nh*Mw/nw; nh+=(nh==0); nw = Mw; } + if (nh>Mh) { nw = nw*Mh/nh; nw+=(nw==0); nh = Mh; } + if (nw<mw) nw = mw; + if (nh<mh) nh = mh; + if (return_last) return nh; + return nw; + } + + // When no display available + //--------------------------- +#if cimg_display==0 + + //! Return the width of the screen resolution. + static int screen_dimx() { + return 0; + } + + //! Return the height of the screen resolution. + static int screen_dimy() { + return 0; + } + + //! Wait for a window event in any CImg window. + static void wait_all() {} + + //! In-place version of the destructor. + CImgDisplay& assign() { + return *this; + } + + //! In-place version of the previous constructor. + CImgDisplay& assign(const unsigned int dimw, const unsigned int dimh, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + throw CImgDisplayException("CImgDisplay() : Display has been required but is not available (cimg_display=0)"); + const char* avoid_warning = title + dimw + dimh + normalization_type + (int)fullscreen_flag + (int)closed_flag; + avoid_warning = 0; + return *this; + } + + //! In-place version of the previous constructor. + template<typename T> + CImgDisplay& assign(const CImg<T>& img, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + throw CImgDisplayException("CImgDisplay()::assign() : Display has been required but is not available (cimg_display=0)"); + const char* avoid_warning = title + img.width + normalization_type + (int)fullscreen_flag + (int)closed_flag; + avoid_warning = 0; + return assign(0,0); + } + + //! In-place version of the previous constructor. + template<typename T> + CImgDisplay& assign(const CImgList<T>& list, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + throw CImgDisplayException("CImgDisplay()::assign() : Display has been required but is not available (cimg_display=0)"); + const char* avoid_warning = title + list.size + normalization_type + (int)fullscreen_flag + (int)closed_flag; + avoid_warning = 0; + return assign(0,0); + } + + //! In-place version of the previous constructor. + CImgDisplay& assign(const CImgDisplay &disp) { + return assign(disp.width,disp.height); + } + + //! Resize window. + CImgDisplay& resize(const int width, const int height, const bool redraw=true) { + int avoid_warning = width | height | (int)redraw; + avoid_warning = 0; + return *this; + } + + //! Toggle fullscreen mode. + CImgDisplay& toggle_fullscreen(const bool redraw=true) { + bool avoid_warning = redraw; + avoid_warning = false; + return *this; + } + + //! Show a closed display. + CImgDisplay& show() { + return *this; + } + + //! Close a visible display. + CImgDisplay& close() { + return *this; + } + + //! Move window. + CImgDisplay& move(const int posx, const int posy) { + int avoid_warning = posx | posy; + avoid_warning = 0; + return *this; + } + + //! Show mouse pointer. + CImgDisplay& show_mouse() { + return *this; + } + + //! Hide mouse pointer. + CImgDisplay& hide_mouse() { + return *this; + } + + //! Move mouse pointer to a specific location. + CImgDisplay& set_mouse(const int posx, const int posy) { + int avoid_warning = posx | posy; + avoid_warning = 0; + return *this; + } + + //! Set the window title. + CImgDisplay& set_title(const char *format, ...) { + const char *avoid_warning = format; + avoid_warning = 0; + return *this; + } + + //! Display an image in a window. + template<typename T> + CImgDisplay& display(const CImg<T>& img) { + unsigned int avoid_warning = img.width; + avoid_warning = 0; + return *this; + } + + //! Re-paint image content in window. + CImgDisplay& paint() { + return *this; + } + + //! Render image buffer into GDI native image format. + template<typename T> + CImgDisplay& render(const CImg<T>& img) { + unsigned int avoid_warning = img.width; + avoid_warning = 0; + return *this; + } + + //! Take a snapshot of the display in the specified image. + template<typename T> + const CImgDisplay& snapshot(CImg<T>& img) const { + img.assign(width,height,1,3,0); + return *this; + } + + // X11-based display + //------------------- +#elif cimg_display==1 + Atom wm_delete_window, wm_delete_protocol; + Window window, background_window; + Colormap colormap; + XImage *image; + void *data; +#ifdef cimg_use_xshm + XShmSegmentInfo *shminfo; +#endif + + static int screen_dimx() { + int res = 0; + if (!cimg::X11attr().display) { + Display *disp = XOpenDisplay((cimg_std::getenv("DISPLAY")?cimg_std::getenv("DISPLAY"):":0.0")); + if (!disp) + throw CImgDisplayException("CImgDisplay::screen_dimx() : Can't open X11 display."); + res = DisplayWidth(disp,DefaultScreen(disp)); + XCloseDisplay(disp); + } else { +#ifdef cimg_use_xrandr + if (cimg::X11attr().resolutions && cimg::X11attr().curr_resolution) + res = cimg::X11attr().resolutions[cimg::X11attr().curr_resolution].width; + else +#endif + res = DisplayWidth(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)); + } + return res; + } + + static int screen_dimy() { + int res = 0; + if (!cimg::X11attr().display) { + Display *disp = XOpenDisplay((cimg_std::getenv("DISPLAY") ? cimg_std::getenv("DISPLAY") : ":0.0")); + if (!disp) + throw CImgDisplayException("CImgDisplay::screen_dimy() : Can't open X11 display."); + res = DisplayHeight(disp,DefaultScreen(disp)); + XCloseDisplay(disp); + } else { +#ifdef cimg_use_xrandr + if (cimg::X11attr().resolutions && cimg::X11attr().curr_resolution) + res = cimg::X11attr().resolutions[cimg::X11attr().curr_resolution].height; + else +#endif + res = DisplayHeight(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)); + } + return res; + } + + static void wait_all() { + if (cimg::X11attr().display) { + XLockDisplay(cimg::X11attr().display); + bool flag = true; + XEvent event; + while (flag) { + XNextEvent(cimg::X11attr().display, &event); + for (unsigned int i = 0; i<cimg::X11attr().nb_wins; ++i) + if (!cimg::X11attr().wins[i]->is_closed && event.xany.window==cimg::X11attr().wins[i]->window) { + cimg::X11attr().wins[i]->_handle_events(&event); + if (cimg::X11attr().wins[i]->is_event) flag = false; + } + } + XUnlockDisplay(cimg::X11attr().display); + } + } + + void _handle_events(const XEvent *const pevent) { + XEvent event = *pevent; + switch (event.type) { + case ClientMessage : { + if ((int)event.xclient.message_type==(int)wm_delete_protocol && + (int)event.xclient.data.l[0]==(int)wm_delete_window) { + XUnmapWindow(cimg::X11attr().display,window); + mouse_x = mouse_y = -1; + if (button) { cimg_std::memmove((void*)(buttons+1),(void*)buttons,512-1); button = 0; } + if (key) { cimg_std::memmove((void*)(keys+1),(void*)keys,512-1); key = 0; } + if (released_key) { cimg_std::memmove((void*)(released_keys+1),(void*)released_keys,512-1); released_key = 0; } + is_closed = is_event = true; + } + } break; + case ConfigureNotify : { + while (XCheckWindowEvent(cimg::X11attr().display,window,StructureNotifyMask,&event)) {} + const unsigned int + nw = event.xconfigure.width, + nh = event.xconfigure.height; + const int + nx = event.xconfigure.x, + ny = event.xconfigure.y; + if (nw && nh && (nw!=window_width || nh!=window_height)) { + window_width = nw; + window_height = nh; + mouse_x = mouse_y = -1; + XResizeWindow(cimg::X11attr().display,window,window_width,window_height); + is_resized = is_event = true; + } + if (nx!=window_x || ny!=window_y) { + window_x = nx; + window_y = ny; + is_moved = is_event = true; + } + } break; + case Expose : { + while (XCheckWindowEvent(cimg::X11attr().display,window,ExposureMask,&event)) {} + _paint(false); + if (is_fullscreen) { + XWindowAttributes attr; + XGetWindowAttributes(cimg::X11attr().display, window, &attr); + while (attr.map_state != IsViewable) XSync(cimg::X11attr().display, False); + XSetInputFocus(cimg::X11attr().display, window, RevertToParent, CurrentTime); + } + } break; + case ButtonPress : { + do { + mouse_x = event.xmotion.x; + mouse_y = event.xmotion.y; + if (mouse_x<0 || mouse_y<0 || mouse_x>=dimx() || mouse_y>=dimy()) mouse_x = mouse_y = -1; + switch (event.xbutton.button) { + case 1 : cimg_std::memmove((void*)(buttons+1),(void*)buttons,512-1); button|=1; is_event = true; break; + case 2 : cimg_std::memmove((void*)(buttons+1),(void*)buttons,512-1); button|=4; is_event = true; break; + case 3 : cimg_std::memmove((void*)(buttons+1),(void*)buttons,512-1); button|=2; is_event = true; break; + } + } while (XCheckWindowEvent(cimg::X11attr().display,window,ButtonPressMask,&event)); + } break; + case ButtonRelease : { + do { + mouse_x = event.xmotion.x; + mouse_y = event.xmotion.y; + if (mouse_x<0 || mouse_y<0 || mouse_x>=dimx() || mouse_y>=dimy()) mouse_x = mouse_y = -1; + switch (event.xbutton.button) { + case 1 : cimg_std::memmove((void*)(buttons+1),(void*)buttons,512-1); button&=~1U; is_event = true; break; + case 2 : cimg_std::memmove((void*)(buttons+1),(void*)buttons,512-1); button&=~4U; is_event = true; break; + case 3 : cimg_std::memmove((void*)(buttons+1),(void*)buttons,512-1); button&=~2U; is_event = true; break; + case 4 : ++wheel; is_event = true; break; + case 5 : --wheel; is_event = true; break; + } + } while (XCheckWindowEvent(cimg::X11attr().display,window,ButtonReleaseMask,&event)); + } break; + case KeyPress : { + char tmp; + KeySym ksym; + XLookupString(&event.xkey,&tmp,1,&ksym,0); + update_iskey((unsigned int)ksym,true); + if (key) cimg_std::memmove((void*)(keys+1),(void*)keys,512-1); + key = (unsigned int)ksym; + if (released_key) { cimg_std::memmove((void*)(released_keys+1),(void*)released_keys,512-1); released_key = 0; } + is_event = true; + } break; + case KeyRelease : { + char tmp; + KeySym ksym; + XLookupString(&event.xkey,&tmp,1,&ksym,0); + update_iskey((unsigned int)ksym,false); + if (key) { cimg_std::memmove((void*)(keys+1),(void*)keys,512-1); key = 0; } + if (released_key) cimg_std::memmove((void*)(released_keys+1),(void*)released_keys,512-1); + released_key = (unsigned int)ksym; + is_event = true; + } break; + case EnterNotify: { + while (XCheckWindowEvent(cimg::X11attr().display,window,EnterWindowMask,&event)) {} + mouse_x = event.xmotion.x; + mouse_y = event.xmotion.y; + if (mouse_x<0 || mouse_y<0 || mouse_x>=dimx() || mouse_y>=dimy()) mouse_x = mouse_y = -1; + } break; + case LeaveNotify : { + while (XCheckWindowEvent(cimg::X11attr().display,window,LeaveWindowMask,&event)) {} + mouse_x = mouse_y =-1; + is_event = true; + } break; + case MotionNotify : { + while (XCheckWindowEvent(cimg::X11attr().display,window,PointerMotionMask,&event)) {} + mouse_x = event.xmotion.x; + mouse_y = event.xmotion.y; + if (mouse_x<0 || mouse_y<0 || mouse_x>=dimx() || mouse_y>=dimy()) mouse_x = mouse_y = -1; + is_event = true; + } break; + } + } + + static void* _events_thread(void *arg) { + arg = 0; + XEvent event; + pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,0); + pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,0); + for (;;) { + XLockDisplay(cimg::X11attr().display); + bool event_flag = XCheckTypedEvent(cimg::X11attr().display, ClientMessage, &event); + if (!event_flag) event_flag = XCheckMaskEvent(cimg::X11attr().display, + ExposureMask|StructureNotifyMask|ButtonPressMask| + KeyPressMask|PointerMotionMask|EnterWindowMask|LeaveWindowMask| + ButtonReleaseMask|KeyReleaseMask,&event); + if (event_flag) { + for (unsigned int i=0; i<cimg::X11attr().nb_wins; ++i) + if (!cimg::X11attr().wins[i]->is_closed && event.xany.window==cimg::X11attr().wins[i]->window) + cimg::X11attr().wins[i]->_handle_events(&event); + } + XUnlockDisplay(cimg::X11attr().display); + pthread_testcancel(); + cimg::sleep(7); + } + return 0; + } + + void _set_colormap(Colormap& colormap, const unsigned int dim) { + XColor palette[256]; + switch (dim) { + case 1 : { // palette for greyscale images + for (unsigned int index=0; index<256; ++index) { + palette[index].pixel = index; + palette[index].red = palette[index].green = palette[index].blue = (unsigned short)(index<<8); + palette[index].flags = DoRed | DoGreen | DoBlue; + } + } break; + case 2 : { // palette for RG images + for (unsigned int index=0, r=8; r<256; r+=16) + for (unsigned int g=8; g<256; g+=16) { + palette[index].pixel = index; + palette[index].red = palette[index].blue = (unsigned short)(r<<8); + palette[index].green = (unsigned short)(g<<8); + palette[index++].flags = DoRed | DoGreen | DoBlue; + } + } break; + default : { // palette for RGB images + for (unsigned int index=0, r=16; r<256; r+=32) + for (unsigned int g=16; g<256; g+=32) + for (unsigned int b=32; b<256; b+=64) { + palette[index].pixel = index; + palette[index].red = (unsigned short)(r<<8); + palette[index].green = (unsigned short)(g<<8); + palette[index].blue = (unsigned short)(b<<8); + palette[index++].flags = DoRed | DoGreen | DoBlue; + } + } + } + XStoreColors(cimg::X11attr().display,colormap,palette,256); + } + + void _map_window() { + XWindowAttributes attr; + XEvent event; + bool exposed = false, mapped = false; + XMapRaised(cimg::X11attr().display,window); + XSync(cimg::X11attr().display,False); + do { + XWindowEvent(cimg::X11attr().display,window,StructureNotifyMask | ExposureMask,&event); + switch (event.type) { + case MapNotify : mapped = true; break; + case Expose : exposed = true; break; + default : XSync(cimg::X11attr().display, False); cimg::sleep(10); + } + } while (!(exposed && mapped)); + do { + XGetWindowAttributes(cimg::X11attr().display, window, &attr); + if (attr.map_state!=IsViewable) { XSync(cimg::X11attr().display,False); cimg::sleep(10); } + } while (attr.map_state != IsViewable); + window_x = attr.x; + window_y = attr.y; + } + + void _paint(const bool wait_expose=true) { + if (!is_closed) { + if (wait_expose) { + static XEvent event; + event.xexpose.type = Expose; + event.xexpose.serial = 0; + event.xexpose.send_event = True; + event.xexpose.display = cimg::X11attr().display; + event.xexpose.window = window; + event.xexpose.x = 0; + event.xexpose.y = 0; + event.xexpose.width = dimx(); + event.xexpose.height = dimy(); + event.xexpose.count = 0; + XSendEvent(cimg::X11attr().display, window, False, 0, &event); + } else { +#ifdef cimg_use_xshm + if (shminfo) XShmPutImage(cimg::X11attr().display,window,*cimg::X11attr().gc,image,0,0,0,0,width,height,False); + else +#endif + XPutImage(cimg::X11attr().display,window,*cimg::X11attr().gc,image,0,0,0,0,width,height); + XSync(cimg::X11attr().display, False); + } + } + } + + template<typename T> + void _resize(T foo, const unsigned int ndimx, const unsigned int ndimy, const bool redraw) { + foo = 0; +#ifdef cimg_use_xshm + if (shminfo) { + XShmSegmentInfo *nshminfo = new XShmSegmentInfo; + XImage *nimage = XShmCreateImage(cimg::X11attr().display,DefaultVisual(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)), + cimg::X11attr().nb_bits,ZPixmap,0,nshminfo,ndimx,ndimy); + if (!nimage) { + delete nshminfo; + return; + } else { + nshminfo->shmid = shmget(IPC_PRIVATE, ndimx*ndimy*sizeof(T), IPC_CREAT | 0777); + if (nshminfo->shmid==-1) { + XDestroyImage(nimage); + delete nshminfo; + return; + } else { + nshminfo->shmaddr = nimage->data = (char*)shmat(nshminfo->shmid,0,0); + if (nshminfo->shmaddr==(char*)-1) { + shmctl(nshminfo->shmid,IPC_RMID,0); + XDestroyImage(nimage); + delete nshminfo; + return; + } else { + nshminfo->readOnly = False; + cimg::X11attr().shm_enabled = true; + XErrorHandler oldXErrorHandler = XSetErrorHandler(_assign_xshm); + XShmAttach(cimg::X11attr().display, nshminfo); + XSync(cimg::X11attr().display, False); + XSetErrorHandler(oldXErrorHandler); + if (!cimg::X11attr().shm_enabled) { + shmdt(nshminfo->shmaddr); + shmctl(nshminfo->shmid,IPC_RMID,0); + XDestroyImage(nimage); + delete nshminfo; + return; + } else { + T *const ndata = (T*)nimage->data; + if (redraw) _render_resize((T*)data,width,height,ndata,ndimx,ndimy); + else cimg_std::memset(ndata,0,sizeof(T)*ndimx*ndimy); + XShmDetach(cimg::X11attr().display, shminfo); + XDestroyImage(image); + shmdt(shminfo->shmaddr); + shmctl(shminfo->shmid,IPC_RMID,0); + delete shminfo; + shminfo = nshminfo; + image = nimage; + data = (void*)ndata; + } + } + } + } + } else +#endif + { + T *ndata = (T*)cimg_std::malloc(ndimx*ndimy*sizeof(T)); + if (redraw) _render_resize((T*)data,width,height,ndata,ndimx,ndimy); + else cimg_std::memset(ndata,0,sizeof(T)*ndimx*ndimy); + data = (void*)ndata; + XDestroyImage(image); + image = XCreateImage(cimg::X11attr().display,DefaultVisual(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)), + cimg::X11attr().nb_bits,ZPixmap,0,(char*)data,ndimx,ndimy,8,0); + } + } + + void _init_fullscreen() { + background_window = 0; + if (is_fullscreen && !is_closed) { +#ifdef cimg_use_xrandr + int foo; + if (XRRQueryExtension(cimg::X11attr().display,&foo,&foo)) { + XRRRotations(cimg::X11attr().display, DefaultScreen(cimg::X11attr().display), &cimg::X11attr().curr_rotation); + if (!cimg::X11attr().resolutions) { + cimg::X11attr().resolutions = XRRSizes(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display),&foo); + cimg::X11attr().nb_resolutions = (unsigned int)foo; + } + if (cimg::X11attr().resolutions) { + cimg::X11attr().curr_resolution = 0; + for (unsigned int i=0; i<cimg::X11attr().nb_resolutions; ++i) { + const unsigned int + nw = (unsigned int)(cimg::X11attr().resolutions[i].width), + nh = (unsigned int)(cimg::X11attr().resolutions[i].height); + if (nw>=width && nh>=height && + nw<=(unsigned int)(cimg::X11attr().resolutions[cimg::X11attr().curr_resolution].width) && + nh<=(unsigned int)(cimg::X11attr().resolutions[cimg::X11attr().curr_resolution].height)) + cimg::X11attr().curr_resolution = i; + } + if (cimg::X11attr().curr_resolution>0) { + XRRScreenConfiguration *config = XRRGetScreenInfo(cimg::X11attr().display, DefaultRootWindow(cimg::X11attr().display)); + XRRSetScreenConfig(cimg::X11attr().display, config, DefaultRootWindow(cimg::X11attr().display), + cimg::X11attr().curr_resolution, cimg::X11attr().curr_rotation, CurrentTime); + XRRFreeScreenConfigInfo(config); + XSync(cimg::X11attr().display, False); + } + } + } + if (!cimg::X11attr().resolutions) + cimg::warn("CImgDisplay::_create_window() : Xrandr extension is not supported by the X server."); +#endif + const unsigned int sx = screen_dimx(), sy = screen_dimy(); + XSetWindowAttributes winattr; + winattr.override_redirect = True; + if (sx!=width || sy!=height) { + background_window = XCreateWindow(cimg::X11attr().display, + RootWindow(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)),0,0, + sx,sy,0,0,InputOutput,CopyFromParent,CWOverrideRedirect,&winattr); + const unsigned int bufsize = sx*sy*(cimg::X11attr().nb_bits==8?1:(cimg::X11attr().nb_bits==16?2:4)); + void *background_data = cimg_std::malloc(bufsize); + cimg_std::memset(background_data,0,bufsize); + XImage *background_image = XCreateImage(cimg::X11attr().display,DefaultVisual(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)), + cimg::X11attr().nb_bits,ZPixmap,0,(char*)background_data,sx,sy,8,0); + XEvent event; + XSelectInput(cimg::X11attr().display,background_window,StructureNotifyMask); + XMapRaised(cimg::X11attr().display,background_window); + do XWindowEvent(cimg::X11attr().display,background_window,StructureNotifyMask,&event); + while (event.type!=MapNotify); +#ifdef cimg_use_xshm + if (shminfo) XShmPutImage(cimg::X11attr().display,background_window,*cimg::X11attr().gc,background_image,0,0,0,0,sx,sy,False); + else +#endif + XPutImage(cimg::X11attr().display,background_window,*cimg::X11attr().gc,background_image,0,0,0,0,sx,sy); + XWindowAttributes attr; + XGetWindowAttributes(cimg::X11attr().display, background_window, &attr); + while (attr.map_state != IsViewable) XSync(cimg::X11attr().display, False); + XDestroyImage(background_image); + } + } + } + + void _desinit_fullscreen() { + if (is_fullscreen) { + XUngrabKeyboard(cimg::X11attr().display,CurrentTime); +#ifdef cimg_use_xrandr + if (cimg::X11attr().resolutions && cimg::X11attr().curr_resolution) { + XRRScreenConfiguration *config = XRRGetScreenInfo(cimg::X11attr().display, DefaultRootWindow(cimg::X11attr().display)); + XRRSetScreenConfig(cimg::X11attr().display, config, DefaultRootWindow(cimg::X11attr().display), + 0, cimg::X11attr().curr_rotation, CurrentTime); + XRRFreeScreenConfigInfo(config); + XSync(cimg::X11attr().display, False); + cimg::X11attr().curr_resolution = 0; + } +#endif + if (background_window) XDestroyWindow(cimg::X11attr().display,background_window); + background_window = 0; + is_fullscreen = false; + } + } + + static int _assign_xshm(Display *dpy, XErrorEvent *error) { + dpy = 0; error = 0; + cimg::X11attr().shm_enabled = false; + return 0; + } + + void _assign(const unsigned int dimw, const unsigned int dimh, const char *ptitle=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + + // Allocate space for window title + const int s = cimg::strlen(ptitle)+1; + char *tmp_title = s?new char[s]:0; + if (s) cimg_std::memcpy(tmp_title,ptitle,s*sizeof(char)); + + // Destroy previous display window if existing + if (!is_empty()) assign(); + + // Open X11 display if necessary. + if (!cimg::X11attr().display) { + static bool xinit_threads = false; + if (!xinit_threads) { XInitThreads(); xinit_threads = true; } + cimg::X11attr().nb_wins = 0; + cimg::X11attr().display = XOpenDisplay((cimg_std::getenv("DISPLAY")?cimg_std::getenv("DISPLAY"):":0.0")); + if (!cimg::X11attr().display) + throw CImgDisplayException("CImgDisplay::_create_window() : Can't open X11 display"); + cimg::X11attr().nb_bits = DefaultDepth(cimg::X11attr().display, DefaultScreen(cimg::X11attr().display)); + if (cimg::X11attr().nb_bits!=8 && cimg::X11attr().nb_bits!=16 && cimg::X11attr().nb_bits!=24 && cimg::X11attr().nb_bits!=32) + throw CImgDisplayException("CImgDisplay::_create_window() : %u bits mode is not supported " + "(only 8, 16, 24 and 32 bits modes are supported)",cimg::X11attr().nb_bits); + cimg::X11attr().gc = new GC; + *cimg::X11attr().gc = DefaultGC(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)); + Visual *visual = DefaultVisual(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)); + XVisualInfo vtemplate; + vtemplate.visualid = XVisualIDFromVisual(visual); + int nb_visuals; + XVisualInfo *vinfo = XGetVisualInfo(cimg::X11attr().display,VisualIDMask,&vtemplate,&nb_visuals); + if (vinfo && vinfo->red_mask<vinfo->blue_mask) cimg::X11attr().blue_first = true; + cimg::X11attr().byte_order = ImageByteOrder(cimg::X11attr().display); + XFree(vinfo); + XLockDisplay(cimg::X11attr().display); + cimg::X11attr().event_thread = new pthread_t; + pthread_create(cimg::X11attr().event_thread,0,_events_thread,0); + } else XLockDisplay(cimg::X11attr().display); + + // Set display variables + width = cimg::min(dimw,(unsigned int)screen_dimx()); + height = cimg::min(dimh,(unsigned int)screen_dimy()); + normalization = normalization_type<4?normalization_type:3; + is_fullscreen = fullscreen_flag; + window_x = window_y = 0; + is_closed = closed_flag; + title = tmp_title; + flush(); + + // Create X11 window and palette (if 8bits display) + if (is_fullscreen) { + if (!is_closed) _init_fullscreen(); + const unsigned int sx = screen_dimx(), sy = screen_dimy(); + XSetWindowAttributes winattr; + winattr.override_redirect = True; + window = XCreateWindow(cimg::X11attr().display, + RootWindow(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)), + (sx-width)/2,(sy-height)/2, + width,height,0,0,InputOutput,CopyFromParent,CWOverrideRedirect,&winattr); + } else + window = XCreateSimpleWindow(cimg::X11attr().display, + RootWindow(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)), + 0,0,width,height,2,0,0x0L); + XStoreName(cimg::X11attr().display,window,title?title:" "); + if (cimg::X11attr().nb_bits==8) { + colormap = XCreateColormap(cimg::X11attr().display,window,DefaultVisual(cimg::X11attr().display, + DefaultScreen(cimg::X11attr().display)),AllocAll); + _set_colormap(colormap,3); + XSetWindowColormap(cimg::X11attr().display,window,colormap); + } + window_width = width; + window_height = height; + + // Create XImage + const unsigned int bufsize = width*height*(cimg::X11attr().nb_bits==8?1:(cimg::X11attr().nb_bits==16?2:4)); +#ifdef cimg_use_xshm + shminfo = 0; + if (XShmQueryExtension(cimg::X11attr().display)) { + shminfo = new XShmSegmentInfo; + image = XShmCreateImage(cimg::X11attr().display,DefaultVisual(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)), + cimg::X11attr().nb_bits,ZPixmap,0,shminfo,width,height); + if (!image) { + delete shminfo; + shminfo = 0; + } else { + shminfo->shmid = shmget(IPC_PRIVATE, bufsize, IPC_CREAT | 0777); + if (shminfo->shmid==-1) { + XDestroyImage(image); + delete shminfo; + shminfo = 0; + } else { + shminfo->shmaddr = image->data = (char*)(data = shmat(shminfo->shmid,0,0)); + if (shminfo->shmaddr==(char*)-1) { + shmctl(shminfo->shmid,IPC_RMID,0); + XDestroyImage(image); + delete shminfo; + shminfo = 0; + } else { + shminfo->readOnly = False; + cimg::X11attr().shm_enabled = true; + XErrorHandler oldXErrorHandler = XSetErrorHandler(_assign_xshm); + XShmAttach(cimg::X11attr().display, shminfo); + XSync(cimg::X11attr().display, False); + XSetErrorHandler(oldXErrorHandler); + if (!cimg::X11attr().shm_enabled) { + shmdt(shminfo->shmaddr); + shmctl(shminfo->shmid,IPC_RMID,0); + XDestroyImage(image); + delete shminfo; + shminfo = 0; + } + } + } + } + } + if (!shminfo) +#endif + { + data = cimg_std::malloc(bufsize); + image = XCreateImage(cimg::X11attr().display,DefaultVisual(cimg::X11attr().display,DefaultScreen(cimg::X11attr().display)), + cimg::X11attr().nb_bits,ZPixmap,0,(char*)data,width,height,8,0); + } + + wm_delete_window = XInternAtom(cimg::X11attr().display, "WM_DELETE_WINDOW", False); + wm_delete_protocol = XInternAtom(cimg::X11attr().display, "WM_PROTOCOLS", False); + XSetWMProtocols(cimg::X11attr().display, window, &wm_delete_window, 1); + XSelectInput(cimg::X11attr().display,window, + ExposureMask | StructureNotifyMask | ButtonPressMask | KeyPressMask | PointerMotionMask | + EnterWindowMask | LeaveWindowMask | ButtonReleaseMask | KeyReleaseMask); + if (is_fullscreen) XGrabKeyboard(cimg::X11attr().display, window, True, GrabModeAsync, GrabModeAsync, CurrentTime); + cimg::X11attr().wins[cimg::X11attr().nb_wins++]=this; + if (!is_closed) _map_window(); else { window_x = window_y = cimg::type<int>::min(); } + XUnlockDisplay(cimg::X11attr().display); + } + + CImgDisplay& assign() { + if (is_empty()) return *this; + XLockDisplay(cimg::X11attr().display); + + // Remove display window from event thread list. + unsigned int i; + for (i = 0; i<cimg::X11attr().nb_wins && cimg::X11attr().wins[i]!=this; ++i) {} + for (; i<cimg::X11attr().nb_wins-1; ++i) cimg::X11attr().wins[i] = cimg::X11attr().wins[i+1]; + --cimg::X11attr().nb_wins; + + // Destroy window, image, colormap and title. + if (is_fullscreen && !is_closed) _desinit_fullscreen(); + XDestroyWindow(cimg::X11attr().display,window); + window = 0; +#ifdef cimg_use_xshm + if (shminfo) { + XShmDetach(cimg::X11attr().display, shminfo); + XDestroyImage(image); + shmdt(shminfo->shmaddr); + shmctl(shminfo->shmid,IPC_RMID,0); + delete shminfo; + shminfo = 0; + } else +#endif + XDestroyImage(image); + data = 0; image = 0; + if (cimg::X11attr().nb_bits==8) XFreeColormap(cimg::X11attr().display,colormap); + colormap = 0; + XSync(cimg::X11attr().display, False); + + // Reset display variables + if (title) delete[] title; + width = height = normalization = window_width = window_height = 0; + window_x = window_y = 0; + is_fullscreen = false; + is_closed = true; + min = max = 0; + title = 0; + flush(); + + // End event thread and close display if necessary + XUnlockDisplay(cimg::X11attr().display); + + /* The code below was used to close the X11 display when not used anymore, + unfortunately, since the latest Xorg versions, it randomely hangs, so + I prefer to remove it. A fix would be needed anyway. + + if (!cimg::X11attr().nb_wins) { + // Kill event thread + pthread_cancel(*cimg::X11attr().event_thread); + XUnlockDisplay(cimg::X11attr().display); + pthread_join(*cimg::X11attr().event_thread,0); + delete cimg::X11attr().event_thread; + cimg::X11attr().event_thread = 0; + XCloseDisplay(cimg::X11attr().display); + cimg::X11attr().display = 0; + delete cimg::X11attr().gc; + cimg::X11attr().gc = 0; + } else XUnlockDisplay(cimg::X11attr().display); + */ + return *this; + } + + CImgDisplay& assign(const unsigned int dimw, const unsigned int dimh, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!dimw || !dimh) return assign(); + _assign(dimw,dimh,title,normalization_type,fullscreen_flag,closed_flag); + min = max = 0; + cimg_std::memset(data,0,(cimg::X11attr().nb_bits==8?sizeof(unsigned char): + (cimg::X11attr().nb_bits==16?sizeof(unsigned short):sizeof(unsigned int)))*width*height); + return paint(); + } + + template<typename T> + CImgDisplay& assign(const CImg<T>& img, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!img) return assign(); + CImg<T> tmp; + const CImg<T>& nimg = (img.depth==1)?img:(tmp=img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + _assign(nimg.width,nimg.height,title,normalization_type,fullscreen_flag,closed_flag); + if (normalization==2) min = (float)nimg.minmax(max); + return render(nimg).paint(); + } + + template<typename T> + CImgDisplay& assign(const CImgList<T>& list, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!list) return assign(); + CImg<T> tmp; + const CImg<T> img = list.get_append('x','p'), + &nimg = (img.depth==1)?img:(tmp=img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + _assign(nimg.width,nimg.height,title,normalization_type,fullscreen_flag,closed_flag); + if (normalization==2) min = (float)nimg.minmax(max); + return render(nimg).paint(); + } + + CImgDisplay& assign(const CImgDisplay& win) { + if (!win) return assign(); + _assign(win.width,win.height,win.title,win.normalization,win.is_fullscreen,win.is_closed); + cimg_std::memcpy(data,win.data,(cimg::X11attr().nb_bits==8?sizeof(unsigned char): + cimg::X11attr().nb_bits==16?sizeof(unsigned short): + sizeof(unsigned int))*width*height); + return paint(); + } + + CImgDisplay& resize(const int nwidth, const int nheight, const bool redraw=true) { + if (!nwidth || !nheight || (is_empty() && (nwidth<0 || nheight<0))) return assign(); + if (is_empty()) return assign(nwidth,nheight); + const unsigned int + tmpdimx = (nwidth>0)?nwidth:(-nwidth*width/100), + tmpdimy = (nheight>0)?nheight:(-nheight*height/100), + dimx = tmpdimx?tmpdimx:1, + dimy = tmpdimy?tmpdimy:1; + XLockDisplay(cimg::X11attr().display); + if (window_width!=dimx || window_height!=dimy) XResizeWindow(cimg::X11attr().display,window,dimx,dimy); + if (width!=dimx || height!=dimy) switch (cimg::X11attr().nb_bits) { + case 8 : { unsigned char foo = 0; _resize(foo,dimx,dimy,redraw); } break; + case 16 : { unsigned short foo = 0; _resize(foo,dimx,dimy,redraw); } break; + default : { unsigned int foo = 0; _resize(foo,dimx,dimy,redraw); } + } + window_width = width = dimx; window_height = height = dimy; + is_resized = false; + XUnlockDisplay(cimg::X11attr().display); + if (is_fullscreen) move((screen_dimx()-width)/2,(screen_dimy()-height)/2); + if (redraw) return paint(); + return *this; + } + + CImgDisplay& toggle_fullscreen(const bool redraw=true) { + if (is_empty()) return *this; + if (redraw) { + const unsigned int bufsize = width*height*(cimg::X11attr().nb_bits==8?1:(cimg::X11attr().nb_bits==16?2:4)); + void *odata = cimg_std::malloc(bufsize); + cimg_std::memcpy(odata,data,bufsize); + assign(width,height,title,normalization,!is_fullscreen,false); + cimg_std::memcpy(data,odata,bufsize); + cimg_std::free(odata); + return paint(false); + } + return assign(width,height,title,normalization,!is_fullscreen,false); + } + + CImgDisplay& show() { + if (!is_empty() && is_closed) { + XLockDisplay(cimg::X11attr().display); + if (is_fullscreen) _init_fullscreen(); + _map_window(); + is_closed = false; + XUnlockDisplay(cimg::X11attr().display); + return paint(); + } + return *this; + } + + CImgDisplay& close() { + if (!is_empty() && !is_closed) { + XLockDisplay(cimg::X11attr().display); + if (is_fullscreen) _desinit_fullscreen(); + XUnmapWindow(cimg::X11attr().display,window); + window_x = window_y = -1; + is_closed = true; + XUnlockDisplay(cimg::X11attr().display); + } + return *this; + } + + CImgDisplay& move(const int posx, const int posy) { + if (is_empty()) return *this; + show(); + XLockDisplay(cimg::X11attr().display); + XMoveWindow(cimg::X11attr().display,window,posx,posy); + window_x = posx; window_y = posy; + is_moved = false; + XUnlockDisplay(cimg::X11attr().display); + return paint(); + } + + CImgDisplay& show_mouse() { + if (is_empty()) return *this; + XLockDisplay(cimg::X11attr().display); + XDefineCursor(cimg::X11attr().display,window,None); + XUnlockDisplay(cimg::X11attr().display); + return *this; + } + + CImgDisplay& hide_mouse() { + if (is_empty()) return *this; + XLockDisplay(cimg::X11attr().display); + const char pix_data[8] = { 0 }; + XColor col; + col.red = col.green = col.blue = 0; + Pixmap pix = XCreateBitmapFromData(cimg::X11attr().display,window,pix_data,8,8); + Cursor cur = XCreatePixmapCursor(cimg::X11attr().display,pix,pix,&col,&col,0,0); + XFreePixmap(cimg::X11attr().display,pix); + XDefineCursor(cimg::X11attr().display,window,cur); + XUnlockDisplay(cimg::X11attr().display); + return *this; + } + + CImgDisplay& set_mouse(const int posx, const int posy) { + if (is_empty() || is_closed) return *this; + XLockDisplay(cimg::X11attr().display); + XWarpPointer(cimg::X11attr().display,None,window,0,0,0,0,posx,posy); + mouse_x = posx; mouse_y = posy; + is_moved = false; + XSync(cimg::X11attr().display, False); + XUnlockDisplay(cimg::X11attr().display); + return *this; + } + + CImgDisplay& set_title(const char *format, ...) { + if (is_empty()) return *this; + char tmp[1024] = {0}; + va_list ap; + va_start(ap, format); + cimg_std::vsprintf(tmp,format,ap); + va_end(ap); + if (title) delete[] title; + const int s = cimg::strlen(tmp)+1; + title = new char[s]; + cimg_std::memcpy(title,tmp,s*sizeof(char)); + XLockDisplay(cimg::X11attr().display); + XStoreName(cimg::X11attr().display,window,tmp); + XUnlockDisplay(cimg::X11attr().display); + return *this; + } + + template<typename T> + CImgDisplay& display(const CImg<T>& img) { + if (img.is_empty()) + throw CImgArgumentException("CImgDisplay::display() : Cannot display empty image."); + if (is_empty()) assign(img.width,img.height); + return render(img).paint(false); + } + + CImgDisplay& paint(const bool wait_expose=true) { + if (is_empty()) return *this; + XLockDisplay(cimg::X11attr().display); + _paint(wait_expose); + XUnlockDisplay(cimg::X11attr().display); + return *this; + } + + template<typename T> + CImgDisplay& render(const CImg<T>& img, const bool flag8=false) { + if (is_empty()) return *this; + if (!img) + throw CImgArgumentException("CImgDisplay::_render_image() : Specified input image (%u,%u,%u,%u,%p) is empty.", + img.width,img.height,img.depth,img.dim,img.data); + if (img.depth!=1) return render(img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + if (cimg::X11attr().nb_bits==8 && (img.width!=width || img.height!=height)) return render(img.get_resize(width,height,1,-100,1)); + if (cimg::X11attr().nb_bits==8 && !flag8 && img.dim==3) return render(img.get_RGBtoLUT(true),true); + + const T + *data1 = img.data, + *data2 = (img.dim>1)?img.ptr(0,0,0,1):data1, + *data3 = (img.dim>2)?img.ptr(0,0,0,2):data1; + + if (cimg::X11attr().blue_first) cimg::swap(data1,data3); + XLockDisplay(cimg::X11attr().display); + + if (!normalization || (normalization==3 && cimg::type<T>::string()==cimg::type<unsigned char>::string())) { + min = max = 0; + switch (cimg::X11attr().nb_bits) { + case 8 : { // 256 color palette, no normalization + _set_colormap(colormap,img.dim); + unsigned char *const ndata = (img.width==width && img.height==height)?(unsigned char*)data:new unsigned char[img.width*img.height]; + unsigned char *ptrd = (unsigned char*)ndata; + switch (img.dim) { + case 1 : for (unsigned int xy = img.width*img.height; xy>0; --xy) (*ptrd++) = (unsigned char)*(data1++); + break; + case 2 : for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char R = (unsigned char)*(data1++), G = (unsigned char)*(data2++); + (*ptrd++) = (R&0xf0) | (G>>4); + } break; + default : for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char R = (unsigned char)*(data1++), G = (unsigned char)*(data2++), B = (unsigned char)*(data3++); + (*ptrd++) = (R&0xe0) | ((G>>5)<<2) | (B>>6); + } + } + if (ndata!=data) { _render_resize(ndata,img.width,img.height,(unsigned char*)data,width,height); delete[] ndata; } + } break; + case 16 : { // 16 bits colors, no normalization + unsigned short *const ndata = (img.width==width && img.height==height)?(unsigned short*)data:new unsigned short[img.width*img.height]; + unsigned char *ptrd = (unsigned char*)ndata; + const unsigned int M = 248; + switch (img.dim) { + case 1 : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)*(data1++), G = val>>2; + *(ptrd++) = (val&M) | (G>>3); + *(ptrd++) = (G<<5) | (G>>1); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)*(data1++), G = val>>2; + *(ptrd++) = (G<<5) | (G>>1); + *(ptrd++) = (val&M) | (G>>3); + } + break; + case 2 : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)*(data2++)>>2; + *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); + *(ptrd++) = (G<<5); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)*(data2++)>>2; + *(ptrd++) = (G<<5); + *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); + } + break; + default : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)*(data2++)>>2; + *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); + *(ptrd++) = (G<<5) | ((unsigned char)*(data3++)>>3); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)*(data2++)>>2; + *(ptrd++) = (G<<5) | ((unsigned char)*(data3++)>>3); + *(ptrd++) = ((unsigned char)*(data1++)&M) | (G>>3); + } + } + if (ndata!=data) { _render_resize(ndata,img.width,img.height,(unsigned short*)data,width,height); delete[] ndata; } + } break; + default : { // 24 bits colors, no normalization + unsigned int *const ndata = (img.width==width && img.height==height)?(unsigned int*)data:new unsigned int[img.width*img.height]; + if (sizeof(int)==4) { // 32 bits int uses optimized version + unsigned int *ptrd = ndata; + switch (img.dim) { + case 1 : + if (cimg::X11attr().byte_order==cimg::endianness()) + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)*(data1++); + *(ptrd++) = (val<<16) | (val<<8) | val; + } + else + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)*(data1++)<<8; + *(ptrd++) = (val<<16) | (val<<8) | val; + } + break; + case 2 : + if (cimg::X11attr().byte_order==cimg::endianness()) + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = ((unsigned char)*(data1++)<<16) | ((unsigned char)*(data2++)<<8); + else + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = ((unsigned char)*(data2++)<<16) | ((unsigned char)*(data1++)<<8); + break; + default : + if (cimg::X11attr().byte_order==cimg::endianness()) + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = ((unsigned char)*(data1++)<<16) | ((unsigned char)*(data2++)<<8) | (unsigned char)*(data3++); + else + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = ((unsigned char)*(data3++)<<24) | ((unsigned char)*(data2++)<<16) | ((unsigned char)*(data1++)<<8); + } + } else { + unsigned char *ptrd = (unsigned char*)ndata; + switch (img.dim) { + case 1 : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + *(ptrd++) = 0; + *(ptrd++) = (unsigned char)*(data1++); + *(ptrd++) = 0; + *(ptrd++) = 0; + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + *(ptrd++) = 0; + *(ptrd++) = 0; + *(ptrd++) = (unsigned char)*(data1++); + *(ptrd++) = 0; + } + break; + case 2 : + if (cimg::X11attr().byte_order) cimg::swap(data1,data2); + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + *(ptrd++) = 0; + *(ptrd++) = (unsigned char)*(data2++); + *(ptrd++) = (unsigned char)*(data1++); + *(ptrd++) = 0; + } + break; + default : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + *(ptrd++) = 0; + *(ptrd++) = (unsigned char)*(data1++); + *(ptrd++) = (unsigned char)*(data2++); + *(ptrd++) = (unsigned char)*(data3++); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + *(ptrd++) = (unsigned char)*(data3++); + *(ptrd++) = (unsigned char)*(data2++); + *(ptrd++) = (unsigned char)*(data1++); + *(ptrd++) = 0; + } + } + } + if (ndata!=data) { _render_resize(ndata,img.width,img.height,(unsigned int*)data,width,height); delete[] ndata; } + } + }; + } else { + if (normalization==3) { + if (cimg::type<T>::is_float()) min = (float)img.minmax(max); + else { min = (float)cimg::type<T>::min(); max = (float)cimg::type<T>::max(); } + } else if ((min>max) || normalization==1) min = (float)img.minmax(max); + const float delta = max-min, mm = delta?delta:1.0f; + switch (cimg::X11attr().nb_bits) { + case 8 : { // 256 color palette, with normalization + _set_colormap(colormap,img.dim); + unsigned char *const ndata = (img.width==width && img.height==height)?(unsigned char*)data:new unsigned char[img.width*img.height]; + unsigned char *ptrd = (unsigned char*)ndata; + switch (img.dim) { + case 1 : for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char R = (unsigned char)(255*(*(data1++)-min)/mm); + *(ptrd++) = R; + } break; + case 2 : for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char + R = (unsigned char)(255*(*(data1++)-min)/mm), + G = (unsigned char)(255*(*(data2++)-min)/mm); + (*ptrd++) = (R&0xf0) | (G>>4); + } break; + default : + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char + R = (unsigned char)(255*(*(data1++)-min)/mm), + G = (unsigned char)(255*(*(data2++)-min)/mm), + B = (unsigned char)(255*(*(data3++)-min)/mm); + *(ptrd++) = (R&0xe0) | ((G>>5)<<2) | (B>>6); + } + } + if (ndata!=data) { _render_resize(ndata,img.width,img.height,(unsigned char*)data,width,height); delete[] ndata; } + } break; + case 16 : { // 16 bits colors, with normalization + unsigned short *const ndata = (img.width==width && img.height==height)?(unsigned short*)data:new unsigned short[img.width*img.height]; + unsigned char *ptrd = (unsigned char*)ndata; + const unsigned int M = 248; + switch (img.dim) { + case 1 : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)(255*(*(data1++)-min)/mm), G = val>>2; + *(ptrd++) = (val&M) | (G>>3); + *(ptrd++) = (G<<5) | (val>>3); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)(255*(*(data1++)-min)/mm), G = val>>2; + *(ptrd++) = (G<<5) | (val>>3); + *(ptrd++) = (val&M) | (G>>3); + } + break; + case 2 : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)(255*(*(data2++)-min)/mm)>>2; + *(ptrd++) = ((unsigned char)(255*(*(data1++)-min)/mm)&M) | (G>>3); + *(ptrd++) = (G<<5); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)(255*(*(data2++)-min)/mm)>>2; + *(ptrd++) = (G<<5); + *(ptrd++) = ((unsigned char)(255*(*(data1++)-min)/mm)&M) | (G>>3); + } + break; + default : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)(255*(*(data2++)-min)/mm)>>2; + *(ptrd++) = ((unsigned char)(255*(*(data1++)-min)/mm)&M) | (G>>3); + *(ptrd++) = (G<<5) | ((unsigned char)(255*(*(data3++)-min)/mm)>>3); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char G = (unsigned char)(255*(*(data2++)-min)/mm)>>2; + *(ptrd++) = (G<<5) | ((unsigned char)(255*(*(data3++)-min)/mm)>>3); + *(ptrd++) = ((unsigned char)(255*(*(data1++)-min)/mm)&M) | (G>>3); + } + } + if (ndata!=data) { _render_resize(ndata,img.width,img.height,(unsigned short*)data,width,height); delete[] ndata; } + } break; + default : { // 24 bits colors, with normalization + unsigned int *const ndata = (img.width==width && img.height==height)?(unsigned int*)data:new unsigned int[img.width*img.height]; + if (sizeof(int)==4) { // 32 bits int uses optimized version + unsigned int *ptrd = ndata; + switch (img.dim) { + case 1 : + if (cimg::X11attr().byte_order==cimg::endianness()) + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)(255*(*(data1++)-min)/mm); + *(ptrd++) = (val<<16) | (val<<8) | val; + } + else + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)(255*(*(data1++)-min)/mm); + *(ptrd++) = (val<<24) | (val<<16) | (val<<8); + } + break; + case 2 : + if (cimg::X11attr().byte_order==cimg::endianness()) + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = + ((unsigned char)(255*(*(data1++)-min)/mm)<<16) | + ((unsigned char)(255*(*(data2++)-min)/mm)<<8); + else + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = + ((unsigned char)(255*(*(data2++)-min)/mm)<<16) | + ((unsigned char)(255*(*(data1++)-min)/mm)<<8); + break; + default : + if (cimg::X11attr().byte_order==cimg::endianness()) + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = + ((unsigned char)(255*(*(data1++)-min)/mm)<<16) | + ((unsigned char)(255*(*(data2++)-min)/mm)<<8) | + (unsigned char)(255*(*(data3++)-min)/mm); + else + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = + ((unsigned char)(255*(*(data3++)-min)/mm)<<24) | + ((unsigned char)(255*(*(data2++)-min)/mm)<<16) | + ((unsigned char)(255*(*(data1++)-min)/mm)<<8); + } + } else { + unsigned char *ptrd = (unsigned char*)ndata; + switch (img.dim) { + case 1 : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)(255*(*(data1++)-min)/mm); + (*ptrd++) = 0; + (*ptrd++) = val; + (*ptrd++) = val; + (*ptrd++) = val; + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)(255*(*(data1++)-min)/mm); + (*ptrd++) = val; + (*ptrd++) = val; + (*ptrd++) = val; + (*ptrd++) = 0; + } + break; + case 2 : + if (cimg::X11attr().byte_order) cimg::swap(data1,data2); + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + (*ptrd++) = 0; + (*ptrd++) = (unsigned char)(255*(*(data2++)-min)/mm); + (*ptrd++) = (unsigned char)(255*(*(data1++)-min)/mm); + (*ptrd++) = 0; + } + break; + default : + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + (*ptrd++) = 0; + (*ptrd++) = (unsigned char)(255*(*(data1++)-min)/mm); + (*ptrd++) = (unsigned char)(255*(*(data2++)-min)/mm); + (*ptrd++) = (unsigned char)(255*(*(data3++)-min)/mm); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + (*ptrd++) = (unsigned char)(255*(*(data3++)-min)/mm); + (*ptrd++) = (unsigned char)(255*(*(data2++)-min)/mm); + (*ptrd++) = (unsigned char)(255*(*(data1++)-min)/mm); + (*ptrd++) = 0; + } + } + } + if (ndata!=data) { _render_resize(ndata,img.width,img.height,(unsigned int*)data,width,height); delete[] ndata; } + } + } + } + XUnlockDisplay(cimg::X11attr().display); + return *this; + } + + template<typename T> + const CImgDisplay& snapshot(CImg<T>& img) const { + if (is_empty()) img.assign(); + else { + img.assign(width,height,1,3); + T + *data1 = img.ptr(0,0,0,0), + *data2 = img.ptr(0,0,0,1), + *data3 = img.ptr(0,0,0,2); + if (cimg::X11attr().blue_first) cimg::swap(data1,data3); + switch (cimg::X11attr().nb_bits) { + case 8 : { + unsigned char *ptrs = (unsigned char*)data; + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = *(ptrs++); + *(data1++) = val&0xe0; + *(data2++) = (val&0x1c)<<3; + *(data3++) = val<<6; + } + } break; + case 16 : { + unsigned char *ptrs = (unsigned char*)data; + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val0 = *(ptrs++), val1 = *(ptrs++); + *(data1++) = val0&0xf8; + *(data2++) = (val0<<5) | ((val1&0xe0)>>5); + *(data3++) = val1<<3; + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned short val0 = *(ptrs++), val1 = *(ptrs++); + *(data1++) = val1&0xf8; + *(data2++) = (val1<<5) | ((val0&0xe0)>>5); + *(data3++) = val0<<3; + } + } break; + default : { + unsigned char *ptrs = (unsigned char*)data; + if (cimg::X11attr().byte_order) for (unsigned int xy = img.width*img.height; xy>0; --xy) { + ++ptrs; + *(data1++) = *(ptrs++); + *(data2++) = *(ptrs++); + *(data3++) = *(ptrs++); + } else for (unsigned int xy = img.width*img.height; xy>0; --xy) { + *(data3++) = *(ptrs++); + *(data2++) = *(ptrs++); + *(data1++) = *(ptrs++); + ++ptrs; + } + } + } + } + return *this; + } + + // Windows-based display + //----------------------- +#elif cimg_display==2 + CLIENTCREATESTRUCT ccs; + BITMAPINFO bmi; + unsigned int *data; + DEVMODE curr_mode; + HWND window; + HWND background_window; + HDC hdc; + HANDLE thread; + HANDLE created; + HANDLE mutex; + bool mouse_tracking; + bool visible_cursor; + + static int screen_dimx() { + DEVMODE mode; + mode.dmSize = sizeof(DEVMODE); + mode.dmDriverExtra = 0; + EnumDisplaySettings(0,ENUM_CURRENT_SETTINGS,&mode); + return mode.dmPelsWidth; + } + + static int screen_dimy() { + DEVMODE mode; + mode.dmSize = sizeof(DEVMODE); + mode.dmDriverExtra = 0; + EnumDisplaySettings(0,ENUM_CURRENT_SETTINGS,&mode); + return mode.dmPelsHeight; + } + + static void wait_all() { + WaitForSingleObject(cimg::Win32attr().wait_event,INFINITE); + } + + static LRESULT APIENTRY _handle_events(HWND window,UINT msg,WPARAM wParam,LPARAM lParam) { +#ifdef _WIN64 + CImgDisplay* disp = (CImgDisplay*)GetWindowLongPtr(window,GWLP_USERDATA); +#else + CImgDisplay* disp = (CImgDisplay*)GetWindowLong(window,GWL_USERDATA); +#endif + MSG st_msg; + + switch (msg) { + case WM_CLOSE : + disp->mouse_x = disp->mouse_y = -1; + disp->window_x = disp->window_y = 0; + if (disp->button) { + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button = 0; + } + if (disp->key) { + cimg_std::memmove((void*)(disp->keys+1),(void*)disp->keys,512-1); + disp->key = 0; + } + if (disp->released_key) { cimg_std::memmove((void*)(disp->released_keys+1),(void*)disp->released_keys,512-1); disp->released_key = 0; } + disp->is_closed = true; + ReleaseMutex(disp->mutex); + ShowWindow(disp->window,SW_HIDE); + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + return 0; + case WM_SIZE : { + while (PeekMessage(&st_msg,window,WM_SIZE,WM_SIZE,PM_REMOVE)) {} + WaitForSingleObject(disp->mutex,INFINITE); + const unsigned int nw = LOWORD(lParam),nh = HIWORD(lParam); + if (nw && nh && (nw!=disp->width || nh!=disp->height)) { + disp->window_width = nw; + disp->window_height = nh; + disp->mouse_x = disp->mouse_y = -1; + disp->is_resized = disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + } + ReleaseMutex(disp->mutex); + } break; + case WM_MOVE : { + while (PeekMessage(&st_msg,window,WM_SIZE,WM_SIZE,PM_REMOVE)) {} + WaitForSingleObject(disp->mutex,INFINITE); + const int nx = (int)(short)(LOWORD(lParam)), ny = (int)(short)(HIWORD(lParam)); + if (nx!=disp->window_x || ny!=disp->window_y) { + disp->window_x = nx; + disp->window_y = ny; + disp->is_moved = disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + } + ReleaseMutex(disp->mutex); + } break; + case WM_PAINT : + disp->paint(); + break; + case WM_KEYDOWN : + disp->update_iskey((unsigned int)wParam,true); + if (disp->key) cimg_std::memmove((void*)(disp->keys+1),(void*)disp->keys,512-1); + disp->key = (unsigned int)wParam; + if (disp->released_key) { cimg_std::memmove((void*)(disp->released_keys+1),(void*)disp->released_keys,512-1); disp->released_key = 0; } + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case WM_MOUSEMOVE : { + while (PeekMessage(&st_msg,window,WM_MOUSEMOVE,WM_MOUSEMOVE,PM_REMOVE)) {} + disp->mouse_x = LOWORD(lParam); + disp->mouse_y = HIWORD(lParam); +#if (_WIN32_WINNT>=0x0400) && !defined(NOTRACKMOUSEEVENT) + if (!disp->mouse_tracking) { + TRACKMOUSEEVENT tme; + tme.cbSize = sizeof(TRACKMOUSEEVENT); + tme.dwFlags = TME_LEAVE; + tme.hwndTrack = disp->window; + if (TrackMouseEvent(&tme)) disp->mouse_tracking = true; + } +#endif + if (disp->mouse_x<0 || disp->mouse_y<0 || disp->mouse_x>=disp->dimx() || disp->mouse_y>=disp->dimy()) + disp->mouse_x = disp->mouse_y = -1; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + } break; + case WM_MOUSELEAVE : { + disp->mouse_x = disp->mouse_y = -1; + disp->mouse_tracking = false; + } break; + case WM_LBUTTONDOWN : + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button|=1U; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case WM_RBUTTONDOWN : + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button|=2U; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case WM_MBUTTONDOWN : + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button|=4U; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case 0x020A : // WM_MOUSEWHEEL: + disp->wheel+=(int)((short)HIWORD(wParam))/120; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + case WM_KEYUP : + disp->update_iskey((unsigned int)wParam,false); + if (disp->key) { cimg_std::memmove((void*)(disp->keys+1),(void*)disp->keys,512-1); disp->key = 0; } + if (disp->released_key) cimg_std::memmove((void*)(disp->released_keys+1),(void*)disp->released_keys,512-1); + disp->released_key = (unsigned int)wParam; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case WM_LBUTTONUP : + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button&=~1U; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case WM_RBUTTONUP : + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button&=~2U; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case WM_MBUTTONUP : + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button&=~4U; + disp->is_event = true; + SetEvent(cimg::Win32attr().wait_event); + break; + case WM_SETCURSOR : + if (disp->visible_cursor) ShowCursor(TRUE); + else ShowCursor(FALSE); + break; + } + return DefWindowProc(window,msg,wParam,lParam); + } + + static DWORD WINAPI _events_thread(void* arg) { + CImgDisplay *disp = (CImgDisplay*)(((void**)arg)[0]); + const char *title = (const char*)(((void**)arg)[1]); + MSG msg; + delete[] (void**)arg; + disp->bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + disp->bmi.bmiHeader.biWidth = disp->width; + disp->bmi.bmiHeader.biHeight = -(int)disp->height; + disp->bmi.bmiHeader.biPlanes = 1; + disp->bmi.bmiHeader.biBitCount = 32; + disp->bmi.bmiHeader.biCompression = BI_RGB; + disp->bmi.bmiHeader.biSizeImage = 0; + disp->bmi.bmiHeader.biXPelsPerMeter = 1; + disp->bmi.bmiHeader.biYPelsPerMeter = 1; + disp->bmi.bmiHeader.biClrUsed = 0; + disp->bmi.bmiHeader.biClrImportant = 0; + disp->data = new unsigned int[disp->width*disp->height]; + if (!disp->is_fullscreen) { // Normal window + RECT rect; + rect.left = rect.top = 0; rect.right = disp->width-1; rect.bottom = disp->height-1; + AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); + const int border1 = (rect.right-rect.left+1-disp->width)/2, border2 = rect.bottom-rect.top+1-disp->height-border1; + disp->window = CreateWindowA("MDICLIENT",title?title:" ", + WS_OVERLAPPEDWINDOW | (disp->is_closed?0:WS_VISIBLE), CW_USEDEFAULT,CW_USEDEFAULT, + disp->width + 2*border1, disp->height + border1 + border2, + 0,0,0,&(disp->ccs)); + if (!disp->is_closed) { + GetWindowRect(disp->window,&rect); + disp->window_x = rect.left + border1; + disp->window_y = rect.top + border2; + } else disp->window_x = disp->window_y = 0; + } else { // Fullscreen window + const unsigned int sx = screen_dimx(), sy = screen_dimy(); + disp->window = CreateWindowA("MDICLIENT",title?title:" ", + WS_POPUP | (disp->is_closed?0:WS_VISIBLE), (sx-disp->width)/2, (sy-disp->height)/2, + disp->width,disp->height,0,0,0,&(disp->ccs)); + disp->window_x = disp->window_y = 0; + } + SetForegroundWindow(disp->window); + disp->hdc = GetDC(disp->window); + disp->window_width = disp->width; + disp->window_height = disp->height; + disp->flush(); +#ifdef _WIN64 + SetWindowLongPtr(disp->window,GWLP_USERDATA,(LONG_PTR)disp); + SetWindowLongPtr(disp->window,GWLP_WNDPROC,(LONG_PTR)_handle_events); +#else + SetWindowLong(disp->window,GWL_USERDATA,(LONG)disp); + SetWindowLong(disp->window,GWL_WNDPROC,(LONG)_handle_events); +#endif + SetEvent(disp->created); + while (GetMessage(&msg,0,0,0)) DispatchMessage(&msg); + return 0; + } + + CImgDisplay& _update_window_pos() { + if (!is_closed) { + RECT rect; + rect.left = rect.top = 0; rect.right = width-1; rect.bottom = height-1; + AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); + const int border1 = (rect.right-rect.left+1-width)/2, border2 = rect.bottom-rect.top+1-height-border1; + GetWindowRect(window,&rect); + window_x = rect.left + border1; + window_y = rect.top + border2; + } else window_x = window_y = -1; + return *this; + } + + void _init_fullscreen() { + background_window = 0; + if (is_fullscreen && !is_closed) { + DEVMODE mode; + unsigned int imode = 0, ibest = 0, bestbpp = 0, bw = ~0U, bh = ~0U; + for (mode.dmSize = sizeof(DEVMODE), mode.dmDriverExtra = 0; EnumDisplaySettings(0,imode,&mode); ++imode) { + const unsigned int nw = mode.dmPelsWidth, nh = mode.dmPelsHeight; + if (nw>=width && nh>=height && mode.dmBitsPerPel>=bestbpp && nw<=bw && nh<=bh) { + bestbpp = mode.dmBitsPerPel; + ibest = imode; + bw = nw; bh = nh; + } + } + if (bestbpp) { + curr_mode.dmSize = sizeof(DEVMODE); curr_mode.dmDriverExtra = 0; + EnumDisplaySettings(0,ENUM_CURRENT_SETTINGS,&curr_mode); + EnumDisplaySettings(0,ibest,&mode); + ChangeDisplaySettings(&mode,0); + } else curr_mode.dmSize = 0; + + const unsigned int sx = screen_dimx(), sy = screen_dimy(); + if (sx!=width || sy!=height) { + CLIENTCREATESTRUCT background_ccs; + background_window = CreateWindowA("MDICLIENT","",WS_POPUP | WS_VISIBLE, 0,0,sx,sy,0,0,0,&background_ccs); + SetForegroundWindow(background_window); + } + } else curr_mode.dmSize = 0; + } + + void _desinit_fullscreen() { + if (is_fullscreen) { + if (background_window) DestroyWindow(background_window); + background_window = 0; + if (curr_mode.dmSize) ChangeDisplaySettings(&curr_mode,0); + is_fullscreen = false; + } + } + + CImgDisplay& _assign(const unsigned int dimw, const unsigned int dimh, const char *ptitle=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + + // Allocate space for window title + const int s = cimg::strlen(ptitle)+1; + char *tmp_title = s?new char[s]:0; + if (s) cimg_std::memcpy(tmp_title,ptitle,s*sizeof(char)); + + // Destroy previous window if existing + if (!is_empty()) assign(); + + // Set display variables + width = cimg::min(dimw,(unsigned int)screen_dimx()); + height = cimg::min(dimh,(unsigned int)screen_dimy()); + normalization = normalization_type<4?normalization_type:3; + is_fullscreen = fullscreen_flag; + window_x = window_y = 0; + is_closed = closed_flag; + visible_cursor = true; + mouse_tracking = false; + title = tmp_title; + flush(); + if (is_fullscreen) _init_fullscreen(); + + // Create event thread + void *arg = (void*)(new void*[2]); + ((void**)arg)[0]=(void*)this; + ((void**)arg)[1]=(void*)title; + unsigned long ThreadID = 0; + mutex = CreateMutex(0,FALSE,0); + created = CreateEvent(0,FALSE,FALSE,0); + thread = CreateThread(0,0,_events_thread,arg,0,&ThreadID); + WaitForSingleObject(created,INFINITE); + return *this; + } + + CImgDisplay& assign() { + if (is_empty()) return *this; + DestroyWindow(window); + TerminateThread(thread,0); + if (data) delete[] data; + if (title) delete[] title; + if (is_fullscreen) _desinit_fullscreen(); + width = height = normalization = window_width = window_height = 0; + window_x = window_y = 0; + is_fullscreen = false; + is_closed = true; + min = max = 0; + title = 0; + flush(); + return *this; + } + + CImgDisplay& assign(const unsigned int dimw, const unsigned int dimh, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!dimw || !dimh) return assign(); + _assign(dimw,dimh,title,normalization_type,fullscreen_flag,closed_flag); + min = max = 0; + cimg_std::memset(data,0,sizeof(unsigned int)*width*height); + return paint(); + } + + template<typename T> + CImgDisplay& assign(const CImg<T>& img, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!img) return assign(); + CImg<T> tmp; + const CImg<T>& nimg = (img.depth==1)?img:(tmp=img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + _assign(nimg.width,nimg.height,title,normalization_type,fullscreen_flag,closed_flag); + if (normalization==2) min = (float)nimg.minmax(max); + return display(nimg); + } + + template<typename T> + CImgDisplay& assign(const CImgList<T>& list, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!list) return assign(); + CImg<T> tmp; + const CImg<T> img = list.get_append('x','p'), + &nimg = (img.depth==1)?img:(tmp=img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + _assign(nimg.width,nimg.height,title,normalization_type,fullscreen_flag,closed_flag); + if (normalization==2) min = (float)nimg.minmax(max); + return display(nimg); + } + + CImgDisplay& assign(const CImgDisplay& win) { + if (!win) return assign(); + _assign(win.width,win.height,win.title,win.normalization,win.is_fullscreen,win.is_closed); + cimg_std::memcpy(data,win.data,sizeof(unsigned int)*width*height); + return paint(); + } + + CImgDisplay& resize(const int nwidth, const int nheight, const bool redraw=true) { + if (!nwidth || !nheight || (is_empty() && (nwidth<0 || nheight<0))) return assign(); + if (is_empty()) return assign(nwidth,nheight); + const unsigned int + tmpdimx=(nwidth>0)?nwidth:(-nwidth*width/100), + tmpdimy=(nheight>0)?nheight:(-nheight*height/100), + dimx = tmpdimx?tmpdimx:1, + dimy = tmpdimy?tmpdimy:1; + if (window_width!=dimx || window_height!=dimy) { + RECT rect; rect.left = rect.top = 0; rect.right = dimx-1; rect.bottom = dimy-1; + AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); + const int cwidth = rect.right-rect.left+1, cheight = rect.bottom-rect.top+1; + SetWindowPos(window,0,0,0,cwidth,cheight,SWP_NOMOVE | SWP_NOZORDER | SWP_NOCOPYBITS); + } + if (width!=dimx || height!=dimy) { + unsigned int *ndata = new unsigned int[dimx*dimy]; + if (redraw) _render_resize(data,width,height,ndata,dimx,dimy); + else cimg_std::memset(ndata,0x80,sizeof(unsigned int)*dimx*dimy); + delete[] data; + data = ndata; + bmi.bmiHeader.biWidth = dimx; + bmi.bmiHeader.biHeight = -(int)dimy; + width = dimx; + height = dimy; + } + window_width = dimx; window_height = dimy; + is_resized = false; + if (is_fullscreen) move((screen_dimx()-width)/2,(screen_dimy()-height)/2); + if (redraw) return paint(); + return *this; + } + + CImgDisplay& toggle_fullscreen(const bool redraw=true) { + if (is_empty()) return *this; + if (redraw) { + const unsigned int bufsize = width*height*4; + void *odata = cimg_std::malloc(bufsize); + cimg_std::memcpy(odata,data,bufsize); + assign(width,height,title,normalization,!is_fullscreen,false); + cimg_std::memcpy(data,odata,bufsize); + cimg_std::free(odata); + return paint(); + } + return assign(width,height,title,normalization,!is_fullscreen,false); + } + + CImgDisplay& show() { + if (is_empty()) return *this; + if (is_closed) { + is_closed = false; + if (is_fullscreen) _init_fullscreen(); + ShowWindow(window,SW_SHOW); + _update_window_pos(); + } + return paint(); + } + + CImgDisplay& close() { + if (is_empty()) return *this; + if (!is_closed && !is_fullscreen) { + if (is_fullscreen) _desinit_fullscreen(); + ShowWindow(window,SW_HIDE); + is_closed = true; + window_x = window_y = 0; + } + return *this; + } + + CImgDisplay& move(const int posx, const int posy) { + if (is_empty()) return *this; + if (!is_fullscreen) { + RECT rect; rect.left = rect.top = 0; rect.right=window_width-1; rect.bottom=window_height-1; + AdjustWindowRect(&rect,WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX,false); + const int border1 = (rect.right-rect.left+1-width)/2, border2 = rect.bottom-rect.top+1-height-border1; + SetWindowPos(window,0,posx-border1,posy-border2,0,0,SWP_NOSIZE | SWP_NOZORDER); + } else SetWindowPos(window,0,posx,posy,0,0,SWP_NOSIZE | SWP_NOZORDER); + window_x = posx; + window_y = posy; + is_moved = false; + return show(); + } + + CImgDisplay& show_mouse() { + if (is_empty()) return *this; + visible_cursor = true; + ShowCursor(TRUE); + SendMessage(window,WM_SETCURSOR,0,0); + return *this; + } + + CImgDisplay& hide_mouse() { + if (is_empty()) return *this; + visible_cursor = false; + ShowCursor(FALSE); + SendMessage(window,WM_SETCURSOR,0,0); + return *this; + } + + CImgDisplay& set_mouse(const int posx, const int posy) { + if (!is_closed && posx>=0 && posy>=0) { + _update_window_pos(); + const int res = (int)SetCursorPos(window_x+posx,window_y+posy); + if (res) { mouse_x = posx; mouse_y = posy; } + } + return *this; + } + + CImgDisplay& set_title(const char *format, ...) { + if (is_empty()) return *this; + char tmp[1024] = {0}; + va_list ap; + va_start(ap, format); + cimg_std::vsprintf(tmp,format,ap); + va_end(ap); + if (title) delete[] title; + const int s = cimg::strlen(tmp)+1; + title = new char[s]; + cimg_std::memcpy(title,tmp,s*sizeof(char)); + SetWindowTextA(window, tmp); + return *this; + } + + template<typename T> + CImgDisplay& display(const CImg<T>& img) { + if (img.is_empty()) + throw CImgArgumentException("CImgDisplay::display() : Cannot display empty image."); + if (is_empty()) assign(img.width,img.height); + return render(img).paint(); + } + + CImgDisplay& paint() { + if (!is_closed) { + WaitForSingleObject(mutex,INFINITE); + SetDIBitsToDevice(hdc,0,0,width,height,0,0,0,height,data,&bmi,DIB_RGB_COLORS); + ReleaseMutex(mutex); + } + return *this; + } + + template<typename T> + CImgDisplay& render(const CImg<T>& img) { + if (is_empty()) return *this; + if (!img) + throw CImgArgumentException("CImgDisplay::_render_image() : Specified input image (%u,%u,%u,%u,%p) is empty.", + img.width,img.height,img.depth,img.dim,img.data); + if (img.depth!=1) return render(img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + + const T + *data1 = img.data, + *data2 = (img.dim>=2)?img.ptr(0,0,0,1):data1, + *data3 = (img.dim>=3)?img.ptr(0,0,0,2):data1; + + WaitForSingleObject(mutex,INFINITE); + unsigned int + *const ndata = (img.width==width && img.height==height)?data:new unsigned int[img.width*img.height], + *ptrd = ndata; + + if (!normalization || (normalization==3 && cimg::type<T>::string()==cimg::type<unsigned char>::string())) { + min = max = 0; + switch (img.dim) { + case 1 : { + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)*(data1++); + *(ptrd++) = (val<<16) | (val<<8) | val; + }} break; + case 2 : { + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = ((unsigned char)*(data1++)<<16) | ((unsigned char)*(data2++)<<8); + } break; + default : { + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = ((unsigned char)*(data1++)<<16) | ((unsigned char)*(data2++)<<8) | (unsigned char)*(data3++); + } + } + } else { + if (normalization==3) { + if (cimg::type<T>::is_float()) min = (float)img.minmax(max); + else { min = (float)cimg::type<T>::min(); max = (float)cimg::type<T>::max(); } + } else if ((min>max) || normalization==1) min = (float)img.minmax(max); + const float delta = max-min, mm = delta?delta:1.0f; + switch (img.dim) { + case 1 : { + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char val = (unsigned char)(255*(*(data1++)-min)/mm); + *(ptrd++) = (val<<16) | (val<<8) | val; + }} break; + case 2 : { + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char + R = (unsigned char)(255*(*(data1++)-min)/mm), + G = (unsigned char)(255*(*(data2++)-min)/mm); + *(ptrd++) = (R<<16) | (G<<8); + }} break; + default : { + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char + R = (unsigned char)(255*(*(data1++)-min)/mm), + G = (unsigned char)(255*(*(data2++)-min)/mm), + B = (unsigned char)(255*(*(data3++)-min)/mm); + *(ptrd++) = (R<<16) | (G<<8) | B; + }} + } + } + if (ndata!=data) { _render_resize(ndata,img.width,img.height,data,width,height); delete[] ndata; } + ReleaseMutex(mutex); + return *this; + } + + template<typename T> + const CImgDisplay& snapshot(CImg<T>& img) const { + if (is_empty()) img.assign(); + else { + img.assign(width,height,1,3); + T + *data1 = img.ptr(0,0,0,0), + *data2 = img.ptr(0,0,0,1), + *data3 = img.ptr(0,0,0,2); + unsigned int *ptrs = data; + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned int val = *(ptrs++); + *(data1++) = (unsigned char)(val>>16); + *(data2++) = (unsigned char)((val>>8)&0xFF); + *(data3++) = (unsigned char)(val&0xFF); + } + } + return *this; + } + + // MacOSX - Carbon-based display + //------------------------------- + // (Code by Adrien Reboisson && Romain Blei, supervised by Jean-Marie Favreau) + // +#elif cimg_display==3 + unsigned int *data; // The bits of the picture + WindowRef carbonWindow; // The opaque carbon window struct associated with the display + MPCriticalRegionID paintCriticalRegion; // Critical section used when drawing + CGColorSpaceRef csr; // Needed for painting + CGDataProviderRef dataProvider; // Needed for painting + CGImageRef imageRef; // The image + UInt32 lastKeyModifiers; // Buffer storing modifiers state + + // Define the kind of the queries which can be serialized using the event thread. + typedef enum { + COM_CREATEWINDOW = 0, // Create window query + COM_RELEASEWINDOW, // Release window query + COM_SHOWWINDOW, // Show window query + COM_HIDEWINDOW, // Hide window query + COM_SHOWMOUSE, // Show mouse query + COM_HIDEMOUSE, // Hide mouse query + COM_RESIZEWINDOW, // Resize window query + COM_MOVEWINDOW, // Move window query + COM_SETTITLE, // Set window title query + COM_SETMOUSEPOS // Set cursor position query + } CImgCarbonQueryKind; + + // The query destructor send to the event thread. + struct CbSerializedQuery { + CImgDisplay* sender; // Query's sender + CImgCarbonQueryKind kind; // The kind of the query sent to the background thread + short x, y; // X:Y values for move/resize operations + char *c; // Char values for window title + bool createFullScreenWindow; // Boolean value used for full-screen window creation + bool createClosedWindow; // Boolean value used for closed-window creation + bool update; // Boolean value used for resize + bool success; // Succes or failure of the message, used as return value + CbSerializedQuery(CImgDisplay *s, CImgCarbonQueryKind k):sender(s),kind(k),success(false) {}; + + inline static CbSerializedQuery BuildReleaseWindowQuery(CImgDisplay* sender) { + return CbSerializedQuery(sender, COM_RELEASEWINDOW); + } + inline static CbSerializedQuery BuildCreateWindowQuery(CImgDisplay* sender, const bool fullscreen, const bool closed) { + CbSerializedQuery q(sender, COM_CREATEWINDOW); + q.createFullScreenWindow = fullscreen; + q.createClosedWindow = closed; + return q; + } + inline static CbSerializedQuery BuildShowWindowQuery(CImgDisplay* sender) { + return CbSerializedQuery(sender, COM_SHOWWINDOW); + } + inline static CbSerializedQuery BuildHideWindowQuery(CImgDisplay* sender) { + return CbSerializedQuery(sender, COM_HIDEWINDOW); + } + inline static CbSerializedQuery BuildShowMouseQuery(CImgDisplay* sender) { + return CbSerializedQuery(sender, COM_SHOWMOUSE); + } + inline static CbSerializedQuery BuildHideMouseQuery(CImgDisplay* sender) { + return CbSerializedQuery(sender, COM_HIDEMOUSE); + } + inline static CbSerializedQuery BuildResizeWindowQuery(CImgDisplay* sender, const int x, const int y, bool update) { + CbSerializedQuery q(sender, COM_RESIZEWINDOW); + q.x = x, q.y = y; + q.update = update; + return q; + } + inline static CbSerializedQuery BuildMoveWindowQuery(CImgDisplay* sender, const int x, const int y) { + CbSerializedQuery q(sender, COM_MOVEWINDOW); + q.x = x, q.y = y; + return q; + } + inline static CbSerializedQuery BuildSetWindowTitleQuery(CImgDisplay* sender, char* c) { + CbSerializedQuery q(sender, COM_SETTITLE); + q.c = c; + return q; + } + inline static CbSerializedQuery BuildSetWindowPosQuery(CImgDisplay* sender, const int x, const int y) { + CbSerializedQuery q(sender, COM_SETMOUSEPOS); + q.x = x, q.y = y; + return q; + } + }; + + // Send a serialized query in a synchroneous way. + // @param c Application Carbon global settings. + // @param m The query to send. + // @result Success/failure of the operation returned by the event thread. + bool _CbSendMsg(cimg::CarbonInfo& c, CbSerializedQuery m) { + MPNotifyQueue(c.com_queue,&m,0,0); // Send the given message + MPWaitOnSemaphore(c.sync_event,kDurationForever); // Wait end of processing notification + return m.success; + } + + // Free the window attached to the current display. + // @param c Application Carbon global settings. + // @result Success/failure of the operation. + bool _CbFreeAttachedWindow(cimg::CarbonInfo& c) { + if (!_CbSendMsg(c, CbSerializedQuery::BuildReleaseWindowQuery(this))) // Ask the main thread to free the given window + throw CImgDisplayException("Cannot release window associated with the current display."); + // If a window existed, ask to release it + MPEnterCriticalRegion(c.windowListCR,kDurationForever); // Lock the list of the windows + --c.windowCount; //Decrement the window count + MPExitCriticalRegion(c.windowListCR); // Unlock the list + return c.windowCount == 0; + } + + // Create the window attached to the current display. + // @param c Application Carbon global settings. + // @param title The window title, if any. + // @param fullscreen Shoud we start in fullscreen mode ? + // @param create_closed If true, the window is created but not displayed. + // @result Success/failure of the operation. + void _CbCreateAttachedWindow(cimg::CarbonInfo& c, const char* title, const bool fullscreen, const bool create_closed) { + if (!_CbSendMsg(c,CbSerializedQuery::BuildCreateWindowQuery(this,fullscreen,create_closed))) // Ask the main thread to create the window + throw CImgDisplayException("Cannot create the window associated with the current display."); + if (title) set_title(title); // Set the title, if any + // Now we can register the window + MPEnterCriticalRegion(c.windowListCR,kDurationForever); // Lock the list of the windows + ++c.windowCount; //Increment the window count + MPExitCriticalRegion(c.windowListCR); // Unlock the list + } + + // Destroy graphic objects previously allocated. We free the image, the data provider, then the colorspace. + void _CbFinalizeGraphics() { + CGImageRelease (imageRef); // Release the picture + CGDataProviderRelease(dataProvider); // Release the DP + CGColorSpaceRelease(csr); // Free the cs + } + + // Create graphic objects associated to a display. We have to create a colormap, a data provider, and the image. + void _CbInitializeGraphics() { + csr = CGColorSpaceCreateDeviceRGB(); // Create the color space first + if (!csr) + throw CImgDisplayException("CGColorSpaceCreateDeviceRGB() failed."); + // Create the DP + dataProvider = CGDataProviderCreateWithData(0,data,height*width*sizeof(unsigned int),0); + if (!dataProvider) + throw CImgDisplayException("CGDataProviderCreateWithData() failed."); + // ... and finally the image. + if (cimg::endianness()) + imageRef = CGImageCreate(width,height,8,32,width*sizeof(unsigned int),csr, + kCGImageAlphaNoneSkipFirst,dataProvider,0,false,kCGRenderingIntentDefault); + else + imageRef = CGImageCreate(width,height,8,32,width*sizeof(unsigned int),csr, + kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host,dataProvider,0,false,kCGRenderingIntentDefault); + if (!imageRef) + throw CImgDisplayException("CGImageCreate() failed."); + } + + // Reinit graphic objects. Free them, then reallocate all. + // This is used when image bounds are changed or when data source get invalid. + void _CbReinitGraphics() { + MPEnterCriticalRegion(paintCriticalRegion, kDurationForever); + _CbFinalizeGraphics(); + _CbInitializeGraphics(); + MPExitCriticalRegion(paintCriticalRegion); + } + + // Convert a point having global coordonates into the window coordonates. + // We use this function to replace the deprecated GlobalToLocal QuickDraw API. + // @param mouseEvent The mouse event which triggered the event handler. + // @param window The window where the event occured. + // @param point The modified point struct. + // @result True if the point struct has been converted successfully. + static bool _CbToLocalPointFromMouseEvent(EventRef mouseEvent, WindowRef window, HIPoint* point) { + Rect bounds; + if (GetWindowBounds(window,kWindowStructureRgn,&bounds)==noErr) { + point->x -= bounds.left; + point->y -= bounds.top; + HIViewRef view = NULL; + if (HIViewGetViewForMouseEvent(HIViewGetRoot(window),mouseEvent,&view)==noErr) + return HIViewConvertPoint(point, NULL, view) == noErr; + } + return false; + } + + static int screen_dimx() { + return CGDisplayPixelsWide(kCGDirectMainDisplay); + } + + static int screen_dimy() { + return CGDisplayPixelsHigh(kCGDirectMainDisplay); + } + + CImgDisplay& assign(const unsigned int dimw, const unsigned int dimh, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!dimw || !dimh) return assign(); + _assign(dimw,dimh,title,normalization_type,fullscreen_flag,closed_flag); + min = max = 0; + cimg_std::memset(data,0,sizeof(unsigned int)*width*height); + return paint(); + } + + template<typename T> + CImgDisplay& assign(const CImg<T>& img, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!img) return assign(); + CImg<T> tmp; + const CImg<T>& nimg = (img.depth==1)?img:(tmp=img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + _assign(nimg.width,nimg.height,title,normalization_type,fullscreen_flag,closed_flag); + if (normalization==2) min = (float)nimg.minmax(max); + return display(nimg); + } + + template<typename T> + CImgDisplay& assign(const CImgList<T>& list, const char *title=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + if (!list) return assign(); + CImg<T> tmp; + const CImg<T> img = list.get_append('x','p'), + &nimg = (img.depth==1)?img:(tmp=img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + _assign(nimg.width,nimg.height,title,normalization_type,fullscreen_flag,closed_flag); + if (normalization==2) min = (float)nimg.minmax(max); + return display(nimg); + } + + CImgDisplay& assign(const CImgDisplay &win) { + if (!win) return assign(); + _assign(win.width,win.height,win.title,win.normalization,win.is_fullscreen,win.is_closed); + cimg_std::memcpy(data,win.data,sizeof(unsigned int)*width*height); + return paint(); + } + + template<typename T> + CImgDisplay& display(const CImg<T>& img) { + if (is_empty()) assign(img.width,img.height); + return render(img).paint(); + } + + CImgDisplay& resize(const int nwidth, const int nheight, const bool redraw=true) { + if (!nwidth || !nheight || (is_empty() && (nwidth<0 || nheight<0))) return assign(); + if (is_empty()) return assign(nwidth,nheight); + const unsigned int + tmpdimx = (nwidth>0)?nwidth:(-nwidth*width/100), + tmpdimy = (nheight>0)?nheight:(-nheight*height/100), + dimx = tmpdimx?tmpdimx:1, + dimy = tmpdimy?tmpdimy:1; + cimg::CarbonInfo& c = cimg::CarbonAttr(); + + if ((window_width!=dimx || window_height!=dimy) && + !_CbSendMsg(c,CbSerializedQuery::BuildResizeWindowQuery(this,dimx,dimy,redraw))) + throw CImgDisplayException("CImgDisplay::resize() : Cannot resize the window associated to the current display."); + + if (width!=dimx || height!=dimy) { + unsigned int *ndata = new unsigned int[dimx*dimy]; + if (redraw) _render_resize(data,width,height,ndata,dimx,dimy); + else cimg_std::memset(ndata,0x80,sizeof(unsigned int)*dimx*dimy); + unsigned int const* old_data = data; + data = ndata; + delete[] old_data; + _CbReinitGraphics(); + } + window_width = width = dimx; window_height = height = dimy; + is_resized = false; + if (is_fullscreen) move((screen_dimx()-width)/2,(screen_dimy()-height)/2); + if (redraw) return paint(); + return *this; + } + + CImgDisplay& move(const int posx, const int posy) { + if (is_empty()) return *this; + if (!is_fullscreen) { + // If the operation succeeds, window_x and window_y are updated by the event thread + cimg::CarbonInfo& c = cimg::CarbonAttr(); + // Send the query + if (!_CbSendMsg(c,CbSerializedQuery::BuildMoveWindowQuery(this,posx,posy))) + throw CImgDisplayException("CImgDisplay::move() : Cannot move the window associated to the current display."); + } + return show(); + } + + CImgDisplay& set_mouse(const int posx, const int posy) { + if (!is_closed && posx>=0 && posy>=0) { + // If the operation succeeds, mouse_x and mouse_y are updated by the event thread + cimg::CarbonInfo& c = cimg::CarbonAttr(); + // Send the query + if (!_CbSendMsg(c,CbSerializedQuery::BuildSetWindowPosQuery(this,posx,posy))) + throw CImgDisplayException("CImgDisplay::set_mouse() : Cannot set the mouse position to the current display."); + } + return *this; + } + + CImgDisplay& hide_mouse() { + if (is_empty()) return *this; + cimg::CarbonInfo& c = cimg::CarbonAttr(); + // Send the query + if (!_CbSendMsg(c,CbSerializedQuery::BuildHideMouseQuery(this))) + throw CImgDisplayException("CImgDisplay::hide_mouse() : Cannot hide the mouse associated to the current display."); + return *this; + } + + CImgDisplay& show_mouse() { + if (is_empty()) return *this; + cimg::CarbonInfo& c = cimg::CarbonAttr(); + // Send the query + if (!_CbSendMsg(c,CbSerializedQuery::BuildShowMouseQuery(this))) + throw CImgDisplayException("CImgDisplay::show_mouse() : Cannot show the mouse associated to the current display."); + return *this; + } + + static void wait_all() { + cimg::CarbonInfo& c = cimg::CarbonAttr(); + MPWaitOnSemaphore(c.wait_event,kDurationForever); + } + + CImgDisplay& show() { + if (is_empty()) return *this; + if (is_closed) { + cimg::CarbonInfo& c = cimg::CarbonAttr(); + if (!_CbSendMsg(c,CbSerializedQuery::BuildShowWindowQuery(this))) + throw CImgDisplayException("CImgDisplay::show() : Cannot show the window associated to the current display."); + } + return paint(); + } + + CImgDisplay& close() { + if (is_empty()) return *this; + if (!is_closed && !is_fullscreen) { + cimg::CarbonInfo& c = cimg::CarbonAttr(); + // If the operation succeeds, window_x and window_y are updated on the event thread + if (!_CbSendMsg(c,CbSerializedQuery::BuildHideWindowQuery(this))) + throw CImgDisplayException("CImgDisplay::close() : Cannot hide the window associated to the current display."); + } + return *this; + } + + CImgDisplay& set_title(const char *format, ...) { + if (is_empty()) return *this; + char tmp[1024] = {0}; + va_list ap; + va_start(ap, format); + cimg_std::vsprintf(tmp,format,ap); + va_end(ap); + if (title) delete[] title; + const int s = cimg::strlen(tmp)+1; + title = new char[s]; + cimg_std::memcpy(title,tmp,s*sizeof(char)); + cimg::CarbonInfo& c = cimg::CarbonAttr(); + if (!_CbSendMsg(c,CbSerializedQuery::BuildSetWindowTitleQuery(this,tmp))) + throw CImgDisplayException("CImgDisplay::set_title() : Cannot set the window title associated to the current display."); + return *this; + } + + CImgDisplay& paint() { + if (!is_closed) { + MPEnterCriticalRegion(paintCriticalRegion,kDurationForever); + CGrafPtr portPtr = GetWindowPort(carbonWindow); + CGContextRef currentContext = 0; + TQDBeginCGContext(portPtr,¤tContext); + CGContextSetRGBFillColor(currentContext,255,255,255,255); + CGContextFillRect(currentContext,CGRectMake(0,0,window_width,window_height)); + CGContextDrawImage(currentContext,CGRectMake(0,int(window_height-height)<0?0:window_height-height,width,height),imageRef); + CGContextFlush(currentContext); + TQDEndCGContext(portPtr, ¤tContext); + MPExitCriticalRegion(paintCriticalRegion); + } + return *this; + } + + template<typename T> + CImgDisplay& render(const CImg<T>& img) { + if (is_empty()) return *this; + if (!img) + throw CImgArgumentException("CImgDisplay::_render_image() : Specified input image (%u,%u,%u,%u,%p) is empty.", + img.width,img.height,img.depth,img.dim,img.data); + if (img.depth!=1) return render(img.get_projections2d(img.width/2,img.height/2,img.depth/2)); + const T + *data1 = img.data, + *data2 = (img.dim>=2)?img.ptr(0,0,0,1):data1, + *data3 = (img.dim>=3)?img.ptr(0,0,0,2):data1; + MPEnterCriticalRegion(paintCriticalRegion, kDurationForever); + unsigned int + *const ndata = (img.width==width && img.height==height)?data:new unsigned int[img.width*img.height], + *ptrd = ndata; + if (!normalization || (normalization==3 && cimg::type<T>::string()==cimg::type<unsigned char>::string())) { + min = max = 0; + for (unsigned int xy = img.width*img.height; xy>0; --xy) + *(ptrd++) = ((unsigned char)*(data1++)<<16) | ((unsigned char)*(data2++)<<8) | (unsigned char)*(data3++); + } else { + if (normalization==3) { + if (cimg::type<T>::is_float()) min = (float)img.minmax(max); + else { + min = (float)cimg::type<T>::min(); + max = (float)cimg::type<T>::max(); + } + } else if ((min>max) || normalization==1) min = (float)img.minmax(max); + const float delta = max-min, mm = delta?delta:1.0f; + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned char + R = (unsigned char)(255*(*(data1++)-min)/mm), + G = (unsigned char)(255*(*(data2++)-min)/mm), + B = (unsigned char)(255*(*(data3++)-min)/mm); + *(ptrd++) = (R<<16) | (G<<8) | (B); + } + } + if (ndata!=data) { + _render_resize(ndata,img.width,img.height,data,width,height); + delete[] ndata; + } + MPExitCriticalRegion(paintCriticalRegion); + return *this; + } + + template<typename T> + const CImgDisplay& snapshot(CImg<T>& img) const { + if (is_empty()) img.assign(); + else { + img.assign(width,height,1,3); + T + *data1 = img.ptr(0,0,0,0), + *data2 = img.ptr(0,0,0,1), + *data3 = img.ptr(0,0,0,2); + unsigned int *ptrs = data; + for (unsigned int xy = img.width*img.height; xy>0; --xy) { + const unsigned int val = *(ptrs++); + *(data1++) = (unsigned char)(val>>16); + *(data2++) = (unsigned char)((val>>8)&0xFF); + *(data3++) = (unsigned char)(val&0xFF); + } + } + return *this; + } + + CImgDisplay& toggle_fullscreen(const bool redraw=true) { + if (is_empty()) return *this; + if (redraw) { + const unsigned int bufsize = width*height*4; + void *odata = cimg_std::malloc(bufsize); + cimg_std::memcpy(odata,data,bufsize); + assign(width,height,title,normalization,!is_fullscreen,false); + cimg_std::memcpy(data,odata,bufsize); + cimg_std::free(odata); + return paint(); + } + return assign(width,height,title,normalization,!is_fullscreen,false); + } + + static OSStatus CarbonEventHandler(EventHandlerCallRef myHandler, EventRef theEvent, void* userData) { + OSStatus result = eventNotHandledErr; + CImgDisplay* disp = (CImgDisplay*) userData; + (void)myHandler; // Avoid "unused parameter" + cimg::CarbonInfo& c = cimg::CarbonAttr(); + // Gets the associated display + if (disp) { + // Window events are always handled + if (GetEventClass(theEvent)==kEventClassWindow) switch (GetEventKind (theEvent)) { + case kEventWindowClose : + disp->mouse_x = disp->mouse_y = -1; + disp->window_x = disp->window_y = 0; + if (disp->button) { + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + disp->button = 0; + } + if (disp->key) { + cimg_std::memmove((void*)(disp->keys+1),(void*)disp->keys,512-1); + disp->key = 0; + } + if (disp->released_key) { cimg_std::memmove((void*)(disp->released_keys+1),(void*)disp->released_keys,512-1); disp->released_key = 0; } + disp->is_closed = true; + HideWindow(disp->carbonWindow); + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + result = noErr; + break; + // There is a lot of case where we have to redraw our window + case kEventWindowBoundsChanging : + case kEventWindowResizeStarted : + case kEventWindowCollapsed : //Not sure it's really needed :-) + break; + case kEventWindowZoomed : + case kEventWindowExpanded : + case kEventWindowResizeCompleted : { + MPEnterCriticalRegion(disp->paintCriticalRegion, kDurationForever); + // Now we retrieve the new size of the window + Rect newContentRect; + GetWindowBounds(disp->carbonWindow,kWindowContentRgn,&newContentRect); + const unsigned int + nw = (unsigned int)(newContentRect.right - newContentRect.left), + nh = (unsigned int)(newContentRect.bottom - newContentRect.top); + + // Then we update CImg internal settings + if (nw && nh && (nw!=disp->width || nh!=disp->height)) { + disp->window_width = nw; + disp->window_height = nh; + disp->mouse_x = disp->mouse_y = -1; + disp->is_resized = true; + } + disp->is_event = true; + MPExitCriticalRegion(disp->paintCriticalRegion); + disp->paint(); // Coords changed, must update the screen + MPSignalSemaphore(c.wait_event); + result = noErr; + } break; + case kEventWindowDragStarted : + case kEventWindowDragCompleted : { + MPEnterCriticalRegion(disp->paintCriticalRegion, kDurationForever); + // Now we retrieve the new size of the window + Rect newContentRect ; + GetWindowBounds(disp->carbonWindow,kWindowStructureRgn,&newContentRect); + const int nx = (int)(newContentRect.left), ny = (int)(newContentRect.top); + // Then we update CImg internal settings + if (nx!=disp->window_x || ny!=disp->window_y) { + disp->window_x = nx; + disp->window_y = ny; + disp->is_moved = true; + } + disp->is_event = true; + MPExitCriticalRegion(disp->paintCriticalRegion); + disp->paint(); // Coords changed, must update the screen + MPSignalSemaphore(c.wait_event); + result = noErr; + } break; + case kEventWindowPaint : + disp->paint(); + break; + } + + switch (GetEventClass(theEvent)) { + case kEventClassKeyboard : { + if (GetEventKind(theEvent)==kEventRawKeyModifiersChanged) { + // Apple has special keys named "notifiers", we have to convert this (exotic ?) key handling into the regular CImg processing. + UInt32 newModifiers; + if (GetEventParameter(theEvent,kEventParamKeyModifiers,typeUInt32,0,sizeof(UInt32),0,&newModifiers)==noErr) { + int newKeyCode = -1; + UInt32 changed = disp->lastKeyModifiers^newModifiers; + // Find what changed here + if ((changed & rightShiftKey)!=0) newKeyCode = cimg::keySHIFTRIGHT; + if ((changed & shiftKey)!=0) newKeyCode = cimg::keySHIFTLEFT; + + // On the Mac, the "option" key = the ALT key + if ((changed & (optionKey | rightOptionKey))!=0) newKeyCode = cimg::keyALTGR; + if ((changed & controlKey)!=0) newKeyCode = cimg::keyCTRLLEFT; + if ((changed & rightControlKey)!=0) newKeyCode = cimg::keyCTRLRIGHT; + if ((changed & cmdKey)!=0) newKeyCode = cimg::keyAPPLEFT; + if ((changed & alphaLock)!=0) newKeyCode = cimg::keyCAPSLOCK; + if (newKeyCode != -1) { // Simulate keystroke + if (disp->key) cimg_std::memmove((void*)(disp->keys+1),(void*)disp->keys,512-1); + disp->key = (int)newKeyCode; + } + disp->lastKeyModifiers = newModifiers; // Save current state + } + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + } + if (GetEventKind(theEvent)==kEventRawKeyDown || GetEventKind(theEvent)==kEventRawKeyRepeat) { + char keyCode; + if (GetEventParameter(theEvent,kEventParamKeyMacCharCodes,typeChar,0,sizeof(keyCode),0,&keyCode)==noErr) { + disp->update_iskey((unsigned int)keyCode,true); + if (disp->key) cimg_std::memmove((void*)(disp->keys+1),(void*)disp->keys,512-1); + disp->key = (unsigned int)keyCode; + if (disp->released_key) { cimg_std::memmove((void*)(disp->released_keys+1),(void*)disp->released_keys,512-1); disp->released_key = 0; } + } + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + } + } break; + + case kEventClassMouse : + switch (GetEventKind(theEvent)) { + case kEventMouseDragged : + // When you push the main button on the Apple mouse while moving it, you got NO kEventMouseMoved msg, + // but a kEventMouseDragged one. So we merge them here. + case kEventMouseMoved : + HIPoint point; + if (GetEventParameter(theEvent,kEventParamMouseLocation,typeHIPoint,0,sizeof(point),0,&point)==noErr) { + if (_CbToLocalPointFromMouseEvent(theEvent,disp->carbonWindow,&point)) { + disp->mouse_x = (int)point.x; + disp->mouse_y = (int)point.y; + if (disp->mouse_x<0 || disp->mouse_y<0 || disp->mouse_x>=disp->dimx() || disp->mouse_y>=disp->dimy()) + disp->mouse_x = disp->mouse_y = -1; + } else disp->mouse_x = disp->mouse_y = -1; + } + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + break; + case kEventMouseDown : + UInt16 btn; + if (GetEventParameter(theEvent,kEventParamMouseButton,typeMouseButton,0,sizeof(btn),0,&btn)==noErr) { + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + if (btn==kEventMouseButtonPrimary) disp->button|=1U; + // For those who don't have a multi-mouse button (as me), I think it's better to allow the user + // to emulate a right click by using the Control key + if ((disp->lastKeyModifiers & (controlKey | rightControlKey))!=0) + cimg::warn("CImgDisplay::CarbonEventHandler() : Will emulate right click now [Down]"); + if (btn==kEventMouseButtonSecondary || ((disp->lastKeyModifiers & (controlKey | rightControlKey))!=0)) disp->button|=2U; + if (btn==kEventMouseButtonTertiary) disp->button|=4U; + } + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + break; + case kEventMouseWheelMoved : + EventMouseWheelAxis wheelax; + SInt32 delta; + if (GetEventParameter(theEvent,kEventParamMouseWheelAxis,typeMouseWheelAxis,0,sizeof(wheelax),0,&wheelax)==noErr) + if (wheelax==kEventMouseWheelAxisY) { + if (GetEventParameter(theEvent,kEventParamMouseWheelDelta,typeLongInteger,0,sizeof(delta),0,&delta)==noErr) + if (delta>0) disp->wheel+=delta/120; //FIXME: why 120 ? + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + } + break; + } + } + + switch (GetEventClass(theEvent)) { + case kEventClassKeyboard : + if (GetEventKind(theEvent)==kEventRawKeyUp) { + UInt32 keyCode; + if (GetEventParameter(theEvent,kEventParamKeyCode,typeUInt32,0,sizeof(keyCode),0,&keyCode)==noErr) { + disp->update_iskey((unsigned int)keyCode,false); + if (disp->key) { cimg_std::memmove((void*)(disp->keys+1),(void*)disp->keys,512-1); disp->key = 0; } + if (disp->released_key) cimg_std::memmove((void*)(disp->released_keys+1),(void*)disp->released_keys,512-1); + disp->released_key = (int)keyCode; + } + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + } + break; + + case kEventClassMouse : + switch (GetEventKind(theEvent)) { + case kEventMouseUp : + UInt16 btn; + if (GetEventParameter(theEvent,kEventParamMouseButton,typeMouseButton,0,sizeof(btn),0,&btn)==noErr) { + cimg_std::memmove((void*)(disp->buttons+1),(void*)disp->buttons,512-1); + if (btn==kEventMouseButtonPrimary) disp->button&=~1U; + // See note in kEventMouseDown handler. + if ((disp->lastKeyModifiers & (controlKey | rightControlKey))!=0) + cimg::warn("CImgDisplay::CarbonEventHandler() : Will emulate right click now [Up]"); + if (btn==kEventMouseButtonSecondary || ((disp->lastKeyModifiers & (controlKey | rightControlKey))!=0)) disp->button&=~2U; + if (btn==kEventMouseButtonTertiary) disp->button&=~2U; + } + disp->is_event = true; + MPSignalSemaphore(c.wait_event); + break; + } + } + } + return (result); + } + + static void* _events_thread(void* args) { + (void)args; // Make the compiler happy + cimg::CarbonInfo& c = cimg::CarbonAttr(); + pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,0); + pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,0); + MPSignalSemaphore(c.sync_event); // Notify the caller that all goes fine + EventRef theEvent; + EventTargetRef theTarget; + OSStatus err; + CbSerializedQuery* query; + theTarget = GetEventDispatcherTarget(); + + // Enter in the main loop + while (true) { + pthread_testcancel(); /* Check if cancelation happens */ + err = ReceiveNextEvent(0,0,kDurationImmediate,true,&theEvent); // Fetch new events + if (err==noErr) { // Received a carbon event, so process it ! + SendEventToEventTarget (theEvent, theTarget); + ReleaseEvent(theEvent); + } else if (err == eventLoopTimedOutErr) { // There is no event to process, so check if there is new messages to process + OSStatus r =MPWaitOnQueue(c.com_queue,(void**)&query,0,0,10*kDurationMillisecond); + if (r!=noErr) continue; //nothing in the queue or an error.., bye + // If we're here, we've something to do now. + if (query) { + switch (query->kind) { + case COM_SETMOUSEPOS : { // change the cursor position + query->success = CGDisplayMoveCursorToPoint(kCGDirectMainDisplay,CGPointMake(query->sender->window_x+query->x,query->sender->window_y+query->y)) + == kCGErrorSuccess; + if (query->success) { + query->sender->mouse_x = query->x; + query->sender->mouse_y = query->y; + } else cimg::warn("CImgDisplay::_events_thread() : CGDisplayMoveCursorToPoint failed."); + } break; + case COM_SETTITLE : { // change the title bar caption + CFStringRef windowTitle = CFStringCreateWithCString(0,query->c,kCFStringEncodingMacRoman); + query->success = SetWindowTitleWithCFString(query->sender->carbonWindow,windowTitle)==noErr; + if (!query->success) + cimg::warn("CImgDisplay::_events_thread() : SetWindowTitleWithCFString failed."); + CFRelease(windowTitle); + } break; + case COM_RESIZEWINDOW : { // Resize a window + SizeWindow(query->sender->carbonWindow,query->x,query->y,query->update); + // If the window has been resized successfully, update display informations + query->sender->window_width = query->x; + query->sender->window_height = query->y; + query->success = true; + } break; + case COM_MOVEWINDOW : { // Move a window + MoveWindow(query->sender->carbonWindow,query->x,query->y,false); + query->sender->window_x = query->x; + query->sender->window_y = query->y; + query->sender->is_moved = false; + query->success = true; + } break; + case COM_SHOWMOUSE : { // Show the mouse + query->success = CGDisplayShowCursor(kCGDirectMainDisplay)==noErr; + if (!query->success) + cimg::warn("CImgDisplay::_events_thread() : CGDisplayShowCursor failed."); + } break; + case COM_HIDEMOUSE : { // Hide the mouse + query->success = CGDisplayHideCursor(kCGDirectMainDisplay)==noErr; + if (!query->success) + cimg::warn("CImgDisplay::_events_thread() : CGDisplayHideCursor failed."); + } break; + case COM_SHOWWINDOW : { // We've to show a window + ShowWindow(query->sender->carbonWindow); + query->success = true; + query->sender->is_closed = false; + } break; + case COM_HIDEWINDOW : { // We've to show a window + HideWindow(query->sender->carbonWindow); + query->sender->is_closed = true; + query->sender->window_x = query->sender->window_y = 0; + query->success = true; + } break; + case COM_RELEASEWINDOW : { // We have to release a given window handle + query->success = true; + CFRelease(query->sender->carbonWindow); + } break; + case COM_CREATEWINDOW : { // We have to create a window + query->success = true; + WindowAttributes windowAttrs; + Rect contentRect; + if (query->createFullScreenWindow) { + // To simulate a "true" full screen, we remove menus and close boxes + windowAttrs = (1L << 9); //Why ? kWindowNoTitleBarAttribute seems to be not defined on 10.3 + // Define a full screen bound rect + SetRect(&contentRect,0,0,CGDisplayPixelsWide(kCGDirectMainDisplay),CGDisplayPixelsHigh(kCGDirectMainDisplay)); + } else { // Set the window size + SetRect(&contentRect,0,0,query->sender->width,query->sender->height); // Window will be centered with RepositionWindow. + // Use default attributes + windowAttrs = kWindowStandardDocumentAttributes | kWindowStandardHandlerAttribute | kWindowInWindowMenuAttribute | kWindowLiveResizeAttribute; + } + // Update window position + if (query->createClosedWindow) query->sender->window_x = query->sender->window_y = 0; + else { + query->sender->window_x = contentRect.left; + query->sender->window_y = contentRect.top; + } + // Update window flags + query->sender->window_width = query->sender->width; + query->sender->window_height = query->sender->height; + query->sender->flush(); + // Create the window + if (CreateNewWindow(kDocumentWindowClass,windowAttrs,&contentRect,&query->sender->carbonWindow)!=noErr) { + query->success = false; + cimg::warn("CImgDisplay::_events_thread() : CreateNewWindow() failed."); + } + // Send it to the foreground + if (RepositionWindow(query->sender->carbonWindow,0,kWindowCenterOnMainScreen)!=noErr) query->success = false; + // Show it, if needed + if (!query->createClosedWindow) ShowWindow(query->sender->carbonWindow); + + // Associate a valid event handler + EventTypeSpec eventList[] = { + { kEventClassWindow, kEventWindowClose }, + { kEventClassWindow, kEventWindowResizeStarted }, + { kEventClassWindow, kEventWindowResizeCompleted }, + { kEventClassWindow, kEventWindowDragStarted}, + { kEventClassWindow, kEventWindowDragCompleted }, + { kEventClassWindow, kEventWindowPaint }, + { kEventClassWindow, kEventWindowBoundsChanging }, + { kEventClassWindow, kEventWindowCollapsed }, + { kEventClassWindow, kEventWindowExpanded }, + { kEventClassWindow, kEventWindowZoomed }, + { kEventClassKeyboard, kEventRawKeyDown }, + { kEventClassKeyboard, kEventRawKeyUp }, + { kEventClassKeyboard, kEventRawKeyRepeat }, + { kEventClassKeyboard, kEventRawKeyModifiersChanged }, + { kEventClassMouse, kEventMouseMoved }, + { kEventClassMouse, kEventMouseDown }, + { kEventClassMouse, kEventMouseUp }, + { kEventClassMouse, kEventMouseDragged } + }; + + // Set up the handler + if (InstallWindowEventHandler(query->sender->carbonWindow,NewEventHandlerUPP(CarbonEventHandler),GetEventTypeCount(eventList), + eventList,(void*)query->sender,0)!=noErr) { + query->success = false; + cimg::warn("CImgDisplay::_events_thread() : InstallWindowEventHandler failed."); + } + + // Paint + query->sender->paint(); + } break; + default : + cimg::warn("CImgDisplay::_events_thread() : Received unknow code %d.",query->kind); + } + // Signal that the message has been processed + MPSignalSemaphore(c.sync_event); + } + } + } + // If we are here, the application is now finished + pthread_exit(0); + } + + CImgDisplay& assign() { + if (is_empty()) return *this; + cimg::CarbonInfo& c = cimg::CarbonAttr(); + // Destroy the window associated to the display + _CbFreeAttachedWindow(c); + // Don't destroy the background thread here. + // If you check whether _CbFreeAttachedWindow() returned true, + // - saying that there were no window left on screen - and + // you destroy the background thread here, ReceiveNextEvent won't + // work anymore if you create a new window after. So the + // background thread must be killed (pthread_cancel() + pthread_join()) + // only on the application shutdown. + + // Finalize graphics + _CbFinalizeGraphics(); + + // Do some cleanup + if (data) delete[] data; + if (title) delete[] title; + width = height = normalization = window_width = window_height = 0; + window_x = window_y = 0; + is_fullscreen = false; + is_closed = true; + min = max = 0; + title = 0; + flush(); + if (MPDeleteCriticalRegion(paintCriticalRegion)!=noErr) + throw CImgDisplayException("CImgDisplay()::assign() : MPDeleteCriticalRegion failed."); + return *this; + } + + CImgDisplay& _assign(const unsigned int dimw, const unsigned int dimh, const char *ptitle=0, + const unsigned int normalization_type=3, + const bool fullscreen_flag=false, const bool closed_flag=false) { + cimg::CarbonInfo& c = cimg::CarbonAttr(); + + // Allocate space for window title + const int s = cimg::strlen(ptitle)+1; + char *tmp_title = s?new char[s]:0; + if (s) cimg_std::memcpy(tmp_title,ptitle,s*sizeof(char)); + + // Destroy previous window if existing + if (!is_empty()) assign(); + + // Set display variables + width = cimg::min(dimw,(unsigned int)screen_dimx()); + height = cimg::min(dimh,(unsigned int)screen_dimy()); + normalization = normalization_type<4?normalization_type:3; + is_fullscreen = fullscreen_flag; + is_closed = closed_flag; + lastKeyModifiers = 0; + title = tmp_title; + flush(); + + // Create the paint CR + if (MPCreateCriticalRegion(&paintCriticalRegion) != noErr) + throw CImgDisplayException("CImgDisplay::_assign() : MPCreateCriticalRegion() failed."); + + // Create the thread if it's not already created + if (c.event_thread==0) { + // Background thread does not exists, so create it ! + if (pthread_create(&c.event_thread,0,_events_thread,0)!=0) + throw CImgDisplayException("CImgDisplay::_assign() : pthread_create() failed."); + // Wait for thread initialization + MPWaitOnSemaphore(c.sync_event, kDurationForever); + } + + // Init disp. graphics + data = new unsigned int[width*height]; + _CbInitializeGraphics(); + + // Now ask the thread to create the window + _CbCreateAttachedWindow(c,ptitle,fullscreen_flag,closed_flag); + return *this; + } + +#endif + + }; + + /* + #-------------------------------------- + # + # + # + # Definition of the CImg<T> structure + # + # + # + #-------------------------------------- + */ + + //! Class representing an image (up to 4 dimensions wide), each pixel being of type \c T. + /** + This is the main class of the %CImg Library. It declares and constructs + an image, allows access to its pixel values, and is able to perform various image operations. + + \par Image representation + + A %CImg image is defined as an instance of the container \ref CImg<\c T>, which contains a regular grid of pixels, + each pixel value being of type \c T. The image grid can have up to 4 dimensions : width, height, depth + and number of channels. + Usually, the three first dimensions are used to describe spatial coordinates <tt>(x,y,z)</tt>, while the number of channels + is rather used as a vector-valued dimension (it may describe the R,G,B color channels for instance). + If you need a fifth dimension, you can use image lists \ref CImgList<\c T> rather than simple images \ref CImg<\c T>. + + Thus, the \ref CImg<\c T> class is able to represent volumetric images of vector-valued pixels, + as well as images with less dimensions (1D scalar signal, 2D color images, ...). + Most member functions of the class CImg<\c T> are designed to handle this maximum case of (3+1) dimensions. + + Concerning the pixel value type \c T : + fully supported template types are the basic C++ types : <tt>unsigned char, char, short, unsigned int, int, + unsigned long, long, float, double, ... </tt>. + Typically, fast image display can be done using <tt>CImg<unsigned char></tt> images, + while complex image processing algorithms may be rather coded using <tt>CImg<float></tt> or <tt>CImg<double></tt> + images that have floating-point pixel values. The default value for the template T is \c float. + Using your own template types may be possible. However, you will certainly have to define the complete set + of arithmetic and logical operators for your class. + + \par Image structure + + The \ref CImg<\c T> structure contains \a six fields : + - \ref width defines the number of \a columns of the image (size along the X-axis). + - \ref height defines the number of \a rows of the image (size along the Y-axis). + - \ref depth defines the number of \a slices of the image (size along the Z-axis). + - \ref dim defines the number of \a channels of the image (size along the V-axis). + - \ref data defines a \a pointer to the \a pixel \a data (of type \c T). + - \ref is_shared is a boolean that tells if the memory buffer \ref data is shared with + another image. + + You can access these fields publicly although it is recommended to use the dedicated functions + dimx(), dimy(), dimz(), dimv() and ptr() to do so. + Image dimensions are not limited to a specific range (as long as you got enough available memory). + A value of \e 1 usually means that the corresponding dimension is \a flat. + If one of the dimensions is \e 0, or if the data pointer is null, the image is considered as \e empty. + Empty images should not contain any pixel data and thus, will not be processed by CImg member functions + (a CImgInstanceException will be thrown instead). + Pixel data are stored in memory, in a non interlaced mode (See \ref cimg_storage). + + \par Image declaration and construction + + Declaring an image can be done by using one of the several available constructors. + Here is a list of the most used : + + - Construct images from arbitrary dimensions : + - <tt>CImg<char> img;</tt> declares an empty image. + - <tt>CImg<unsigned char> img(128,128);</tt> declares a 128x128 greyscale image with + \c unsigned \c char pixel values. + - <tt>CImg<double> img(3,3);</tt> declares a 3x3 matrix with \c double coefficients. + - <tt>CImg<unsigned char> img(256,256,1,3);</tt> declares a 256x256x1x3 (color) image + (colors are stored as an image with three channels). + - <tt>CImg<double> img(128,128,128);</tt> declares a 128x128x128 volumetric and greyscale image + (with \c double pixel values). + - <tt>CImg<> img(128,128,128,3);</tt> declares a 128x128x128 volumetric color image + (with \c float pixels, which is the default value of the template parameter \c T). + - \b Note : images pixels are <b>not automatically initialized to 0</b>. You may use the function \ref fill() to + do it, or use the specific constructor taking 5 parameters like this : + <tt>CImg<> img(128,128,128,3,0);</tt> declares a 128x128x128 volumetric color image with all pixel values to 0. + + - Construct images from filenames : + - <tt>CImg<unsigned char> img("image.jpg");</tt> reads a JPEG color image from the file "image.jpg". + - <tt>CImg<float> img("analyze.hdr");</tt> reads a volumetric image (ANALYZE7.5 format) from the file "analyze.hdr". + - \b Note : You need to install <a href="http://www.imagemagick.org">ImageMagick</a> + to be able to read common compressed image formats (JPG,PNG, ...) (See \ref cimg_files_io). + + - Construct images from C-style arrays : + - <tt>CImg<int> img(data_buffer,256,256);</tt> constructs a 256x256 greyscale image from a \c int* buffer + \c data_buffer (of size 256x256=65536). + - <tt>CImg<unsigned char> img(data_buffer,256,256,1,3,false);</tt> constructs a 256x256 color image + from a \c unsigned \c char* buffer \c data_buffer (where R,G,B channels follow each others). + - <tt>CImg<unsigned char> img(data_buffer,256,256,1,3,true);</tt> constructs a 256x256 color image + from a \c unsigned \c char* buffer \c data_buffer (where R,G,B channels are multiplexed). + + The complete list of constructors can be found <a href="#constructors">here</a>. + + \par Most useful functions + + The \ref CImg<\c T> class contains a lot of functions that operates on images. + Some of the most useful are : + + - operator()(), operator[]() : allows to access or write pixel values. + - display() : displays the image in a new window. + **/ + template<typename T> + struct CImg { + + //! Variable representing the width of the instance image (i.e. dimensions along the X-axis). + /** + \remark + - Prefer using the function CImg<T>::dimx() to get information about the width of an image. + - Use function CImg<T>::resize() to set a new width for an image. Setting directly the variable \c width would probably + result in a library crash. + - Empty images have \c width defined to \c 0. + **/ + unsigned int width; + + //! Variable representing the height of the instance image (i.e. dimensions along the Y-axis). + /** + \remark + - Prefer using the function CImg<T>::dimy() to get information about the height of an image. + - Use function CImg<T>::resize() to set a new height for an image. Setting directly the variable \c height would probably + result in a library crash. + - 1D signals have \c height defined to \c 1. + - Empty images have \c height defined to \c 0. + **/ + unsigned int height; + + //! Variable representing the depth of the instance image (i.e. dimensions along the Z-axis). + /** + \remark + - Prefer using the function CImg<T>::dimz() to get information about the depth of an image. + - Use function CImg<T>::resize() to set a new depth for an image. Setting directly the variable \c depth would probably + result in a library crash. + - Classical 2D images have \c depth defined to \c 1. + - Empty images have \c depth defined to \c 0. + **/ + unsigned int depth; + + //! Variable representing the number of channels of the instance image (i.e. dimensions along the V-axis). + /** + \remark + - Prefer using the function CImg<T>::dimv() to get information about the depth of an image. + - Use function CImg<T>::resize() to set a new vector dimension for an image. Setting directly the variable \c dim would probably + result in a library crash. + - Scalar-valued images (one value per pixel) have \c dim defined to \c 1. + - Empty images have \c depth defined to \c 0. + **/ + unsigned int dim; + + //! Variable telling if pixel buffer of the instance image is shared with another one. + bool is_shared; + + //! Pointer to the first pixel of the pixel buffer. + T *data; + + //! Iterator type for CImg<T>. + /** + \remark + - An \p iterator is a <tt>T*</tt> pointer (address of a pixel value in the pixel buffer). + - Iterators are not directly used in %CImg functions, they have been introduced for compatibility with the STL. + **/ + typedef T* iterator; + + //! Const iterator type for CImg<T>. + /** + \remark + - A \p const_iterator is a <tt>const T*</tt> pointer (address of a pixel value in the pixel buffer). + - Iterators are not directly used in %CImg functions, they have been introduced for compatibility with the STL. + **/ + typedef const T* const_iterator; + + //! Get value type + typedef T value_type; + + // Define common T-dependant types. + typedef typename cimg::superset<T,bool>::type Tbool; + typedef typename cimg::superset<T,unsigned char>::type Tuchar; + typedef typename cimg::superset<T,char>::type Tchar; + typedef typename cimg::superset<T,unsigned short>::type Tushort; + typedef typename cimg::superset<T,short>::type Tshort; + typedef typename cimg::superset<T,unsigned int>::type Tuint; + typedef typename cimg::superset<T,int>::type Tint; + typedef typename cimg::superset<T,unsigned long>::type Tulong; + typedef typename cimg::superset<T,long>::type Tlong; + typedef typename cimg::superset<T,float>::type Tfloat; + typedef typename cimg::superset<T,double>::type Tdouble; + typedef typename cimg::last<T,bool>::type boolT; + typedef typename cimg::last<T,unsigned char>::type ucharT; + typedef typename cimg::last<T,char>::type charT; + typedef typename cimg::last<T,unsigned short>::type ushortT; + typedef typename cimg::last<T,short>::type shortT; + typedef typename cimg::last<T,unsigned int>::type uintT; + typedef typename cimg::last<T,int>::type intT; + typedef typename cimg::last<T,unsigned long>::type ulongT; + typedef typename cimg::last<T,long>::type longT; + typedef typename cimg::last<T,float>::type floatT; + typedef typename cimg::last<T,double>::type doubleT; + + //@} + //--------------------------- + // + //! \name Plugins + //@{ + //--------------------------- +#ifdef cimg_plugin +#include cimg_plugin +#endif +#ifdef cimg_plugin1 +#include cimg_plugin1 +#endif +#ifdef cimg_plugin2 +#include cimg_plugin2 +#endif +#ifdef cimg_plugin3 +#include cimg_plugin3 +#endif +#ifdef cimg_plugin4 +#include cimg_plugin4 +#endif +#ifdef cimg_plugin5 +#include cimg_plugin5 +#endif +#ifdef cimg_plugin6 +#include cimg_plugin6 +#endif +#ifdef cimg_plugin7 +#include cimg_plugin7 +#endif +#ifdef cimg_plugin8 +#include cimg_plugin8 +#endif +#ifndef cimg_plugin_greycstoration +#define cimg_plugin_greycstoration_count +#endif +#ifndef cimg_plugin_greycstoration_lock +#define cimg_plugin_greycstoration_lock +#endif +#ifndef cimg_plugin_greycstoration_unlock +#define cimg_plugin_greycstoration_unlock +#endif + + //@} + + //-------------------------------------- + // + //! \name Constructors-Destructor-Copy + //@{ + //-------------------------------------- + + //! Destructor. + /** + The destructor destroys the instance image. + \remark + - Destructing an empty or shared image does nothing. + - Otherwise, all memory used to store the pixel data of the instance image is freed. + - When destroying a non-shared image, be sure that every shared instances of the same image are + also destroyed to avoid further access to desallocated memory buffers. + **/ + ~CImg() { + if (data && !is_shared) delete[] data; + } + + //! Default constructor. + /** + The default constructor creates an empty instance image. + \remark + - An empty image does not contain any data and has all of its dimensions \ref width, \ref height, \ref depth, \ref dim + set to 0 as well as its pointer to the pixel buffer \ref data. + - An empty image is non-shared. + **/ + CImg(): + width(0),height(0),depth(0),dim(0),is_shared(false),data(0) {} + + //! Constructs a new image with given size (\p dx,\p dy,\p dz,\p dv). + /** + This constructors create an instance image of size (\p dx,\p dy,\p dz,\p dv) with pixels of type \p T. + \param dx Desired size along the X-axis, i.e. the \ref width of the image. + \param dy Desired size along the Y-axis, i.e. the \ref height of the image. + \param dz Desired size along the Z-axis, i.e. the \ref depth of the image. + \param dv Desired size along the V-axis, i.e. the number of image channels \ref dim. + \remark + - If one of the input dimension \p dx,\p dy,\p dz or \p dv is set to 0, the created image is empty + and all has its dimensions set to 0. No memory for pixel data is then allocated. + - This constructor creates only non-shared images. + - Image pixels allocated by this constructor are \b not \b initialized. + Use the constructor CImg(const unsigned int,const unsigned int,const unsigned int,const unsigned int,const T) + to get an image of desired size with pixels set to a particular value. + **/ + explicit CImg(const unsigned int dx, const unsigned int dy=1, const unsigned int dz=1, const unsigned int dv=1): + is_shared(false) { + const unsigned long siz = dx*dy*dz*dv; + if (siz) { width = dx; height = dy; depth = dz; dim = dv; data = new T[siz]; } + else { width = height = depth = dim = 0; data = 0; } + } + + //! Construct an image with given size (\p dx,\p dy,\p dz,\p dv) and with pixel having a default value \p val. + /** + This constructor creates an instance image of size (\p dx,\p dy,\p dz,\p dv) with pixels of type \p T and sets all pixel + values of the created instance image to \p val. + \param dx Desired size along the X-axis, i.e. the \ref width of the image. + \param dy Desired size along the Y-axis, i.e. the \ref height of the image. + \param dz Desired size along the Z-axis, i.e. the \ref depth of the image. + \param dv Desired size along the V-axis, i.e. the number of image channels \p dim. + \param val Default value for image pixels. + \remark + - This constructor has the same properties as CImg(const unsigned int,const unsigned int,const unsigned int,const unsigned int). + **/ + CImg(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv, const T val): + is_shared(false) { + const unsigned long siz = dx*dy*dz*dv; + if (siz) { width = dx; height = dy; depth = dz; dim = dv; data = new T[siz]; fill(val); } + else { width = height = depth = dim = 0; data = 0; } + } + + //! Construct an image with given size (\p dx,\p dy,\p dz,\p dv) and with specified pixel values (int version). + CImg(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv, + const int val0, const int val1, ...):width(0),height(0),depth(0),dim(0),is_shared(false),data(0) { +#define _CImg_stdarg(img,a0,a1,N,t) { \ + unsigned int _siz = (unsigned int)N; \ + if (_siz--) { \ + va_list ap; \ + va_start(ap,a1); \ + T *ptrd = (img).data; \ + *(ptrd++) = (T)a0; \ + if (_siz--) { \ + *(ptrd++) = (T)a1; \ + for (; _siz; --_siz) *(ptrd++) = (T)va_arg(ap,t); \ + } \ + va_end(ap); \ + }} + assign(dx,dy,dz,dv); + _CImg_stdarg(*this,val0,val1,dx*dy*dz*dv,int); + } + + //! Construct an image with given size (\p dx,\p dy,\p dz,\p dv) and with specified pixel values (double version). + CImg(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv, + const double val0, const double val1, ...):width(0),height(0),depth(0),dim(0),is_shared(false),data(0) { + assign(dx,dy,dz,dv); + _CImg_stdarg(*this,val0,val1,dx*dy*dz*dv,double); + } + + //! Construct an image with given size and with specified values given in a string. + CImg(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv, + const char *const values, const bool repeat_pattern):is_shared(false) { + const unsigned long siz = dx*dy*dz*dv; + if (siz) { width = dx; height = dy; depth = dz; dim = dv; data = new T[siz]; fill(values,repeat_pattern); } + else { width = height = depth = dim = 0; data = 0; } + } + + //! Construct an image from a raw memory buffer. + /** + This constructor creates an instance image of size (\p dx,\p dy,\p dz,\p dv) and fill its pixel buffer by + copying data values from the input raw pixel buffer \p data_buffer. + **/ + template<typename t> + CImg(const t *const data_buffer, const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1, const bool shared=false):is_shared(false) { + if (shared) + throw CImgArgumentException("CImg<%s>::CImg() : Cannot construct a shared instance image from a (%s*) buffer " + "(different pixel types).", + pixel_type(),CImg<t>::pixel_type()); + const unsigned long siz = dx*dy*dz*dv; + if (data_buffer && siz) { + width = dx; height = dy; depth = dz; dim = dv; data = new T[siz]; + const t *ptrs = data_buffer + siz; cimg_for(*this,ptrd,T) *ptrd = (T)*(--ptrs); + } else { width = height = depth = dim = 0; data = 0; } + } + +#ifndef cimg_use_visualcpp6 + CImg(const T *const data_buffer, const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1, const bool shared=false) +#else + CImg(const T *const data_buffer, const unsigned int dx, const unsigned int dy, + const unsigned int dz, const unsigned int dv, const bool shared) +#endif + { + const unsigned long siz = dx*dy*dz*dv; + if (data_buffer && siz) { + width = dx; height = dy; depth = dz; dim = dv; is_shared = shared; + if (is_shared) data = const_cast<T*>(data_buffer); + else { data = new T[siz]; cimg_std::memcpy(data,data_buffer,siz*sizeof(T)); } + } else { width = height = depth = dim = 0; is_shared = false; data = 0; } + } + + //! Default copy constructor. + /** + The default copy constructor creates a new instance image having same dimensions + (\ref width, \ref height, \ref depth, \ref dim) and same pixel values as the input image \p img. + \param img The input image to copy. + \remark + - If the input image \p img is non-shared or have a different template type \p t != \p T, + the default copy constructor allocates a new pixel buffer and copy the pixel data + of \p img into it. In this case, the pointers \ref data to the pixel buffers of the two images are different + and the resulting instance image is non-shared. + - If the input image \p img is shared and has the same template type \p t == \p T, + the default copy constructor does not allocate a new pixel buffer and the resulting instance image + shares its pixel buffer with the input image \p img, which means that modifying pixels of \p img also modifies + the created instance image. + - Copying an image having a different template type \p t != \p T performs a crude static cast conversion of each pixel value from + type \p t to type \p T. + - Copying an image having the same template type \p t == \p T is significantly faster. + **/ + template<typename t> + CImg(const CImg<t>& img):is_shared(false) { + const unsigned int siz = img.size(); + if (img.data && siz) { + width = img.width; height = img.height; depth = img.depth; dim = img.dim; data = new T[siz]; + const t *ptrs = img.data + siz; cimg_for(*this,ptrd,T) *ptrd = (T)*(--ptrs); + } else { width = height = depth = dim = 0; data = 0; } + } + + CImg(const CImg<T>& img) { + const unsigned int siz = img.size(); + if (img.data && siz) { + width = img.width; height = img.height; depth = img.depth; dim = img.dim; is_shared = img.is_shared; + if (is_shared) data = const_cast<T*>(img.data); + else { data = new T[siz]; cimg_std::memcpy(data,img.data,siz*sizeof(T)); } + } else { width = height = depth = dim = 0; is_shared = false; data = 0; } + } + + //! Advanced copy constructor. + /** + The advanced copy constructor - as the default constructor CImg(const CImg< t >&) - creates a new instance image having same dimensions + \ref width, \ref height, \ref depth, \ref dim and same pixel values as the input image \p img. + But it also decides if the created instance image shares its memory with the input image \p img (if the input parameter + \p shared is set to \p true) or not (if the input parameter \p shared is set to \p false). + \param img The input image to copy. + \param shared Boolean flag that decides if the copy is shared on non-shared. + \remark + - It is not possible to create a shared copy if the input image \p img is empty or has a different pixel type \p t != \p T. + - If a non-shared copy of the input image \p img is created, a new memory buffer is allocated for pixel data. + - If a shared copy of the input image \p img is created, no extra memory is allocated and the pixel buffer of the instance + image is the same as the one used by the input image \p img. + **/ + template<typename t> + CImg(const CImg<t>& img, const bool shared):is_shared(false) { + if (shared) + throw CImgArgumentException("CImg<%s>::CImg() : Cannot construct a shared instance image from a CImg<%s> instance " + "(different pixel types).", + pixel_type(),CImg<t>::pixel_type()); + const unsigned int siz = img.size(); + if (img.data && siz) { + width = img.width; height = img.height; depth = img.depth; dim = img.dim; data = new T[siz]; + const t *ptrs = img.data + siz; cimg_for(*this,ptrd,T) *ptrd = (T)*(--ptrs); + } else { width = height = depth = dim = 0; data = 0; } + } + + CImg(const CImg<T>& img, const bool shared) { + const unsigned int siz = img.size(); + if (img.data && siz) { + width = img.width; height = img.height; depth = img.depth; dim = img.dim; is_shared = shared; + if (is_shared) data = const_cast<T*>(img.data); + else { data = new T[siz]; cimg_std::memcpy(data,img.data,siz*sizeof(T)); } + } else { width = height = depth = dim = 0; is_shared = false; data = 0; } + } + + //! Construct an image using dimensions of another image + template<typename t> + CImg(const CImg<t>& img, const char *const dimensions):width(0),height(0),depth(0),dim(0),is_shared(false),data(0) { + assign(img,dimensions); + } + + //! Construct an image using dimensions of another image, and fill it with a default value + template<typename t> + CImg(const CImg<t>& img, const char *const dimensions, const T val): + width(0),height(0),depth(0),dim(0),is_shared(false),data(0) { + assign(img,dimensions).fill(val); + } + + //! Construct an image from an image file. + /** + This constructor creates an instance image by reading it from a file. + \param filename Filename of the image file. + \remark + - The image format is deduced from the filename only by looking for the filename extension i.e. without + analyzing the file itself. + - Recognized image formats depend on the tools installed on your system or the external libraries you use to link your code with. + More informations on this topic can be found in cimg_files_io. + - If the filename is not found, a CImgIOException is thrown by this constructor. + **/ + CImg(const char *const filename):width(0),height(0),depth(0),dim(0),is_shared(false),data(0) { + assign(filename); + } + + //! Construct an image from the content of a CImgDisplay instance. + CImg(const CImgDisplay &disp):width(0),height(0),depth(0),dim(0),is_shared(false),data(0) { + disp.snapshot(*this); + } + + //! In-place version of the default constructor/destructor. + /** + This function replaces the instance image by an empty image. + \remark + - Memory used by the previous content of the instance image is freed if necessary. + - If the instance image was initially shared, it is replaced by a (non-shared) empty image. + - This function is useful to free memory used by an image that is not of use, but which + has been created in the current code scope (i.e. not destroyed yet). + **/ + CImg<T>& assign() { + if (data && !is_shared) delete[] data; + width = height = depth = dim = 0; is_shared = false; data = 0; + return *this; + } + + //! In-place version of the default constructor. + /** + This function is strictly equivalent to \ref assign() and has been + introduced for having a STL-compliant function name. + **/ + CImg<T>& clear() { + return assign(); + } + + //! In-place version of the previous constructor. + /** + This function replaces the instance image by a new image of size (\p dx,\p dy,\p dz,\p dv) with pixels of type \p T. + \param dx Desired size along the X-axis, i.e. the \ref width of the image. + \param dy Desired size along the Y-axis, i.e. the \ref height of the image. + \param dz Desired size along the Z-axis, i.e. the \ref depth of the image. + \param dv Desired size along the V-axis, i.e. the number of image channels \p dim. + - If one of the input dimension \p dx,\p dy,\p dz or \p dv is set to 0, the instance image becomes empty + and all has its dimensions set to 0. No memory for pixel data is then allocated. + - Memory buffer used to store previous pixel values is freed if necessary. + - If the instance image is shared, this constructor actually does nothing more than verifying + that new and old image dimensions fit. + - Image pixels allocated by this function are \b not \b initialized. + Use the function assign(const unsigned int,const unsigned int,const unsigned int,const unsigned int,const T) + to assign an image of desired size with pixels set to a particular value. + **/ + CImg<T>& assign(const unsigned int dx, const unsigned int dy=1, const unsigned int dz=1, const unsigned int dv=1) { + const unsigned long siz = dx*dy*dz*dv; + if (!siz) return assign(); + const unsigned long curr_siz = size(); + if (siz!=curr_siz) { + if (is_shared) + throw CImgArgumentException("CImg<%s>::assign() : Cannot assign image (%u,%u,%u,%u) to shared instance image (%u,%u,%u,%u,%p).", + pixel_type(),dx,dy,dz,dv,width,height,depth,dim,data); + else { if (data) delete[] data; data = new T[siz]; } + } + width = dx; height = dy; depth = dz; dim = dv; + return *this; + } + + //! In-place version of the previous constructor. + /** + This function replaces the instance image by a new image of size (\p dx,\p dy,\p dz,\p dv) with pixels of type \p T + and sets all pixel values of the instance image to \p val. + \param dx Desired size along the X-axis, i.e. the \ref width of the image. + \param dy Desired size along the Y-axis, i.e. the \ref height of the image. + \param dz Desired size along the Z-axis, i.e. the \ref depth of the image. + \param dv Desired size along the V-axis, i.e. the number of image channels \p dim. + \param val Default value for image pixels. + \remark + - This function has the same properties as assign(const unsigned int,const unsigned int,const unsigned int,const unsigned int). + **/ + CImg<T>& assign(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv, const T val) { + return assign(dx,dy,dz,dv).fill(val); + } + + //! In-place version of the previous constructor. + CImg<T>& assign(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv, + const int val0, const int val1, ...) { + assign(dx,dy,dz,dv); + _CImg_stdarg(*this,val0,val1,dx*dy*dz*dv,int); + return *this; + } + + //! In-place version of the previous constructor. + CImg<T>& assign(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv, + const double val0, const double val1, ...) { + assign(dx,dy,dz,dv); + _CImg_stdarg(*this,val0,val1,dx*dy*dz*dv,double); + return *this; + } + + //! In-place version of the previous constructor. + template<typename t> + CImg<T>& assign(const t *const data_buffer, const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1) { + const unsigned long siz = dx*dy*dz*dv; + if (!data_buffer || !siz) return assign(); + assign(dx,dy,dz,dv); + const t *ptrs = data_buffer + siz; cimg_for(*this,ptrd,T) *ptrd = (T)*(--ptrs); + return *this; + } + +#ifndef cimg_use_visualcpp6 + CImg<T>& assign(const T *const data_buffer, const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1) +#else + CImg<T>& assign(const T *const data_buffer, const unsigned int dx, const unsigned int dy, + const unsigned int dz, const unsigned int dv) +#endif + { + const unsigned long siz = dx*dy*dz*dv; + if (!data_buffer || !siz) return assign(); + const unsigned long curr_siz = size(); + if (data_buffer==data && siz==curr_siz) return assign(dx,dy,dz,dv); + if (is_shared || data_buffer+siz<data || data_buffer>=data+size()) { + assign(dx,dy,dz,dv); + if (is_shared) cimg_std::memmove(data,data_buffer,siz*sizeof(T)); + else cimg_std::memcpy(data,data_buffer,siz*sizeof(T)); + } else { + T *new_data = new T[siz]; + cimg_std::memcpy(new_data,data_buffer,siz*sizeof(T)); + delete[] data; data = new_data; width = dx; height = dy; depth = dz; dim = dv; + } + return *this; + } + + //! In-place version of the previous constructor, allowing to force the shared state of the instance image. + template<typename t> + CImg<T>& assign(const t *const data_buffer, const unsigned int dx, const unsigned int dy, + const unsigned int dz, const unsigned int dv, const bool shared) { + if (shared) + throw CImgArgumentException("CImg<%s>::assign() : Cannot assign buffer (%s*) to shared instance image (%u,%u,%u,%u,%p)" + "(different pixel types).", + pixel_type(),CImg<t>::pixel_type(),width,height,depth,dim,data); + return assign(data_buffer,dx,dy,dz,dv); + } + + CImg<T>& assign(const T *const data_buffer, const unsigned int dx, const unsigned int dy, + const unsigned int dz, const unsigned int dv, const bool shared) { + const unsigned long siz = dx*dy*dz*dv; + if (!data_buffer || !siz) return assign(); + if (!shared) { if (is_shared) assign(); assign(data_buffer,dx,dy,dz,dv); } + else { + if (!is_shared) { + if (data_buffer+siz<data || data_buffer>=data+size()) assign(); + else cimg::warn("CImg<%s>::assign() : Shared instance image has overlapping memory !", + pixel_type()); + } + width = dx; height = dy; depth = dz; dim = dv; is_shared = true; + data = const_cast<T*>(data_buffer); + } + return *this; + } + + //! In-place version of the default copy constructor. + /** + This function assigns a copy of the input image \p img to the current instance image. + \param img The input image to copy. + \remark + - If the instance image is not shared, the content of the input image \p img is copied into a new buffer + becoming the new pixel buffer of the instance image, while the old pixel buffer is freed if necessary. + - If the instance image is shared, the content of the input image \p img is copied into the current (shared) pixel buffer + of the instance image, modifying then the image referenced by the shared instance image. The instance image still remains shared. + **/ + template<typename t> + CImg<T>& assign(const CImg<t>& img) { + return assign(img.data,img.width,img.height,img.depth,img.dim); + } + + //! In-place version of the advanced constructor. + /** + This function - as the simpler function assign(const CImg< t >&) - assigns a copy of the input image \p img to the + current instance image. But it also decides if the copy is shared (if the input parameter \p shared is set to \c true) + or non-shared (if the input parameter \p shared is set to \c false). + \param img The input image to copy. + \param shared Boolean flag that decides if the copy is shared or non-shared. + \remark + - It is not possible to assign a shared copy if the input image \p img is empty or has a different pixel type \p t != \p T. + - If a non-shared copy of the input image \p img is assigned, a new memory buffer is allocated for pixel data. + - If a shared copy of the input image \p img is assigned, no extra memory is allocated and the pixel buffer of the instance + image is the same as the one used by the input image \p img. + **/ + template<typename t> + CImg<T>& assign(const CImg<t>& img, const bool shared) { + return assign(img.data,img.width,img.height,img.depth,img.dim,shared); + } + + //! In-place version of the previous constructor. + template<typename t> + CImg<T>& assign(const CImg<t>& img, const char *const dimensions) { + if (dimensions) { + unsigned int siz[4] = { 0,1,1,1 }; + const char *s = dimensions; + char tmp[256] = { 0 }, c = 0; + int val = 0; + for (unsigned int k=0; k<4; ++k) { + const int err = cimg_std::sscanf(s,"%[-0-9]%c",tmp,&c); + if (err>=1) { + const int err = cimg_std::sscanf(s,"%d",&val); + if (err==1) { + int val2 = val<0?-val:(c=='%'?val:-1); + if (val2>=0) { + val = (int)((k==0?img.width:(k==1?img.height:(k==2?img.depth:img.dim)))*val2/100); + if (c!='%' && !val) val = 1; + } + siz[k] = val; + } + s+=cimg::strlen(tmp); + if (c=='%') ++s; + } + if (!err) { + if (!cimg::strncasecmp(s,"x",1)) { ++s; siz[k] = img.width; } + else if (!cimg::strncasecmp(s,"y",1)) { ++s; siz[k] = img.height; } + else if (!cimg::strncasecmp(s,"z",1)) { ++s; siz[k] = img.depth; } + else if (!cimg::strncasecmp(s,"v",1)) { ++s; siz[k] = img.dim; } + else if (!cimg::strncasecmp(s,"dx",2)) { s+=2; siz[k] = img.width; } + else if (!cimg::strncasecmp(s,"dy",2)) { s+=2; siz[k] = img.height; } + else if (!cimg::strncasecmp(s,"dz",2)) { s+=2; siz[k] = img.depth; } + else if (!cimg::strncasecmp(s,"dv",2)) { s+=2; siz[k] = img.dim; } + else if (!cimg::strncasecmp(s,"dimx",4)) { s+=4; siz[k] = img.width; } + else if (!cimg::strncasecmp(s,"dimy",4)) { s+=4; siz[k] = img.height; } + else if (!cimg::strncasecmp(s,"dimz",4)) { s+=4; siz[k] = img.depth; } + else if (!cimg::strncasecmp(s,"dimv",4)) { s+=4; siz[k] = img.dim; } + else if (!cimg::strncasecmp(s,"width",5)) { s+=5; siz[k] = img.width; } + else if (!cimg::strncasecmp(s,"height",6)) { s+=6; siz[k] = img.height; } + else if (!cimg::strncasecmp(s,"depth",5)) { s+=5; siz[k] = img.depth; } + else if (!cimg::strncasecmp(s,"dim",3)) { s+=3; siz[k] = img.dim; } + else { ++s; --k; } + } + } + return assign(siz[0],siz[1],siz[2],siz[3]); + } + return assign(); + } + + //! In-place version of the previous constructor. + template<typename t> + CImg<T>& assign(const CImg<t>& img, const char *const dimensions, const T val) { + return assign(img,dimensions).fill(val); + } + + //! In-place version of the previous constructor. + /** + This function replaces the instance image by the one that have been read from the given file. + \param filename Filename of the image file. + - The image format is deduced from the filename only by looking for the filename extension i.e. without + analyzing the file itself. + - Recognized image formats depend on the tools installed on your system or the external libraries you use to link your code with. + More informations on this topic can be found in cimg_files_io. + - If the filename is not found, a CImgIOException is thrown by this constructor. + **/ + CImg<T>& assign(const char *const filename) { + return load(filename); + } + + //! In-place version of the previous constructor. + CImg<T>& assign(const CImgDisplay &disp) { + disp.snapshot(*this); + return *this; + } + + //! Transfer the content of the instance image into another one in a way that memory copies are avoided if possible. + /** + The instance image is always empty after a call to this function. + **/ + template<typename t> + CImg<t>& transfer_to(CImg<t>& img) { + img.assign(*this); + assign(); + return img; + } + + CImg<T>& transfer_to(CImg<T>& img) { + if (is_shared || img.is_shared) { img.assign(*this); assign(); } else { img.assign(); swap(img); } + return img; + } + + //! Swap all fields of two images. Use with care ! + CImg<T>& swap(CImg<T>& img) { + cimg::swap(width,img.width); + cimg::swap(height,img.height); + cimg::swap(depth,img.depth); + cimg::swap(dim,img.dim); + cimg::swap(data,img.data); + cimg::swap(is_shared,img.is_shared); + return img; + } + + //@} + //------------------------------------- + // + //! \name Image Informations + //@{ + //------------------------------------- + + //! Return the type of the pixel values. + /** + \return a string describing the type of the image pixels (template parameter \p T). + - The string returned may contains spaces (<tt>"unsigned char"</tt>). + - If the template parameter T does not correspond to a registered type, the string <tt>"unknown"</tt> is returned. + **/ + static const char* pixel_type() { + return cimg::type<T>::string(); + } + + //! Return the total number of pixel values in an image. + /** + - Equivalent to : dimx() * dimy() * dimz() * dimv(). + + \par example: + \code + CImg<> img(100,100,1,3); + if (img.size()==100*100*3) std::fprintf(stderr,"This statement is true"); + \endcode + **/ + unsigned long size() const { + return width*height*depth*dim; + } + + //! Return the number of columns of the instance image (size along the X-axis, i.e image width). + int dimx() const { + return (int)width; + } + + //! Return the number of rows of the instance image (size along the Y-axis, i.e image height). + int dimy() const { + return (int)height; + } + + //! Return the number of slices of the instance image (size along the Z-axis). + int dimz() const { + return (int)depth; + } + + //! Return the number of vector channels of the instance image (size along the V-axis). + int dimv() const { + return (int)dim; + } + + //! Return \c true if image (*this) has the specified width. + bool is_sameX(const unsigned int dx) const { + return (width==dx); + } + + //! Return \c true if images \c (*this) and \c img have same width. + template<typename t> + bool is_sameX(const CImg<t>& img) const { + return is_sameX(img.width); + } + + //! Return \c true if images \c (*this) and the display \c disp have same width. + bool is_sameX(const CImgDisplay& disp) const { + return is_sameX(disp.width); + } + + //! Return \c true if image (*this) has the specified height. + bool is_sameY(const unsigned int dy) const { + return (height==dy); + } + + //! Return \c true if images \c (*this) and \c img have same height. + template<typename t> + bool is_sameY(const CImg<t>& img) const { + return is_sameY(img.height); + } + + //! Return \c true if images \c (*this) and the display \c disp have same height. + bool is_sameY(const CImgDisplay& disp) const { + return is_sameY(disp.height); + } + + //! Return \c true if image (*this) has the specified depth. + bool is_sameZ(const unsigned int dz) const { + return (depth==dz); + } + + //! Return \c true if images \c (*this) and \c img have same depth. + template<typename t> + bool is_sameZ(const CImg<t>& img) const { + return is_sameZ(img.depth); + } + + //! Return \c true if image (*this) has the specified number of channels. + bool is_sameV(const unsigned int dv) const { + return (dim==dv); + } + + //! Return \c true if images \c (*this) and \c img have same dim. + template<typename t> + bool is_sameV(const CImg<t>& img) const { + return is_sameV(img.dim); + } + + //! Return \c true if image (*this) has the specified width and height. + bool is_sameXY(const unsigned int dx, const unsigned int dy) const { + return (is_sameX(dx) && is_sameY(dy)); + } + + //! Return \c true if images have same width and same height. + template<typename t> + bool is_sameXY(const CImg<t>& img) const { + return (is_sameX(img) && is_sameY(img)); + } + + //! Return \c true if image \c (*this) and the display \c disp have same width and same height. + bool is_sameXY(const CImgDisplay& disp) const { + return (is_sameX(disp) && is_sameY(disp)); + } + + //! Return \c true if image (*this) has the specified width and depth. + bool is_sameXZ(const unsigned int dx, const unsigned int dz) const { + return (is_sameX(dx) && is_sameZ(dz)); + } + + //! Return \c true if images have same width and same depth. + template<typename t> + bool is_sameXZ(const CImg<t>& img) const { + return (is_sameX(img) && is_sameZ(img)); + } + + //! Return \c true if image (*this) has the specified width and number of channels. + bool is_sameXV(const unsigned int dx, const unsigned int dv) const { + return (is_sameX(dx) && is_sameV(dv)); + } + + //! Return \c true if images have same width and same number of channels. + template<typename t> + bool is_sameXV(const CImg<t>& img) const { + return (is_sameX(img) && is_sameV(img)); + } + + //! Return \c true if image (*this) has the specified height and depth. + bool is_sameYZ(const unsigned int dy, const unsigned int dz) const { + return (is_sameY(dy) && is_sameZ(dz)); + } + + //! Return \c true if images have same height and same depth. + template<typename t> + bool is_sameYZ(const CImg<t>& img) const { + return (is_sameY(img) && is_sameZ(img)); + } + + //! Return \c true if image (*this) has the specified height and number of channels. + bool is_sameYV(const unsigned int dy, const unsigned int dv) const { + return (is_sameY(dy) && is_sameV(dv)); + } + + //! Return \c true if images have same height and same number of channels. + template<typename t> + bool is_sameYV(const CImg<t>& img) const { + return (is_sameY(img) && is_sameV(img)); + } + + //! Return \c true if image (*this) has the specified depth and number of channels. + bool is_sameZV(const unsigned int dz, const unsigned int dv) const { + return (is_sameZ(dz) && is_sameV(dv)); + } + + //! Return \c true if images have same depth and same number of channels. + template<typename t> + bool is_sameZV(const CImg<t>& img) const { + return (is_sameZ(img) && is_sameV(img)); + } + + //! Return \c true if image (*this) has the specified width, height and depth. + bool is_sameXYZ(const unsigned int dx, const unsigned int dy, const unsigned int dz) const { + return (is_sameXY(dx,dy) && is_sameZ(dz)); + } + + //! Return \c true if images have same width, same height and same depth. + template<typename t> + bool is_sameXYZ(const CImg<t>& img) const { + return (is_sameXY(img) && is_sameZ(img)); + } + + //! Return \c true if image (*this) has the specified width, height and depth. + bool is_sameXYV(const unsigned int dx, const unsigned int dy, const unsigned int dv) const { + return (is_sameXY(dx,dy) && is_sameV(dv)); + } + + //! Return \c true if images have same width, same height and same number of channels. + template<typename t> + bool is_sameXYV(const CImg<t>& img) const { + return (is_sameXY(img) && is_sameV(img)); + } + + //! Return \c true if image (*this) has the specified width, height and number of channels. + bool is_sameXZV(const unsigned int dx, const unsigned int dz, const unsigned int dv) const { + return (is_sameXZ(dx,dz) && is_sameV(dv)); + } + + //! Return \c true if images have same width, same depth and same number of channels. + template<typename t> + bool is_sameXZV(const CImg<t>& img) const { + return (is_sameXZ(img) && is_sameV(img)); + } + + //! Return \c true if image (*this) has the specified height, depth and number of channels. + bool is_sameYZV(const unsigned int dy, const unsigned int dz, const unsigned int dv) const { + return (is_sameYZ(dy,dz) && is_sameV(dv)); + } + + //! Return \c true if images have same height, same depth and same number of channels. + template<typename t> + bool is_sameYZV(const CImg<t>& img) const { + return (is_sameYZ(img) && is_sameV(img)); + } + + //! Return \c true if image (*this) has the specified width, height, depth and number of channels. + bool is_sameXYZV(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv) const { + return (is_sameXYZ(dx,dy,dz) && is_sameV(dv)); + } + + //! Return \c true if images \c (*this) and \c img have same width, same height, same depth and same number of channels. + template<typename t> + bool is_sameXYZV(const CImg<t>& img) const { + return (is_sameXYZ(img) && is_sameV(img)); + } + + //! Return \c true if current image is empty. + bool is_empty() const { + return !(data && width && height && depth && dim); + } + + //! Return \p true if image is not empty. + operator bool() const { + return !is_empty(); + } + + //! Return an iterator to the first image pixel + iterator begin() { + return data; + } + + const_iterator begin() const { + return data; + } + + //! Return reference to the first image pixel + const T& first() const { + return *data; + } + + T& first() { + return *data; + } + + //! Return an iterator pointing after the last image pixel + iterator end() { + return data + size(); + } + + const_iterator end() const { + return data + size(); + } + + //! Return a reference to the last image pixel + const T& last() const { + return data[size() - 1]; + } + + T& last() { + return data[size() - 1]; + } + + //! Return a pointer to the pixel buffer. + T* ptr() { + return data; + } + + const T* ptr() const { + return data; + } + + //! Return a pointer to the pixel value located at (\p x,\p y,\p z,\p v). + /** + \param x X-coordinate of the pixel. + \param y Y-coordinate of the pixel. + \param z Z-coordinate of the pixel. + \param v V-coordinate of the pixel. + + - When called without parameters, ptr() returns a pointer to the begining of the pixel buffer. + - If the macro \c 'cimg_debug'>=3, boundary checking is performed and warning messages may appear if + given coordinates are outside the image range (but function performances decrease). + + \par example: + \code + CImg<float> img(100,100,1,1,0); // Define a 100x100 greyscale image with float-valued pixels. + float *ptr = ptr(10,10); // Get a pointer to the pixel located at (10,10). + float val = *ptr; // Get the pixel value. + \endcode + **/ +#if cimg_debug>=3 + T* ptr(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) { + const long off = offset(x,y,z,v); + if (off<0 || off>=(long)size()) { + cimg::warn("CImg<%s>::ptr() : Asked for a pointer at coordinates (%u,%u,%u,%u) (offset=%ld), " + "outside image range (%u,%u,%u,%u) (size=%lu)", + pixel_type(),x,y,z,v,off,width,height,depth,dim,size()); + return data; + } + return data + off; + } + + const T* ptr(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) const { + return const_cast<CImg<T>*>(this)->ptr(x,y,z,v); + } +#else + T* ptr(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) { + return data + (long)x + (long)y*width + (long)z*width*height + (long)v*width*height*depth; + } + + const T* ptr(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) const { + return data + (long)x + (long)y*width + (long)z*width*height + (long)v*width*height*depth; + } +#endif + + //! Return \c true if the memory buffers of the two images overlaps. + /** + May happen when using shared images. + **/ + template<typename t> + bool is_overlapped(const CImg<t>& img) const { + const unsigned long csiz = size(), isiz = img.size(); + return !((void*)(data+csiz)<=(void*)img.data || (void*)data>=(void*)(img.data+isiz)); + } + + //! Return the offset of the pixel coordinates (\p x,\p y,\p z,\p v) with respect to the data pointer \c data. + /** + \param x X-coordinate of the pixel. + \param y Y-coordinate of the pixel. + \param z Z-coordinate of the pixel. + \param v V-coordinate of the pixel. + + - No checking is done on the validity of the given coordinates. + + \par Example: + \code + CImg<float> img(100,100,1,3,0); // Define a 100x100 color image with float-valued black pixels. + long off = img.offset(10,10,0,2); // Get the offset of the blue value of the pixel located at (10,10). + float val = img[off]; // Get the blue value of the pixel. + \endcode + **/ + long offset(const int x, const int y=0, const int z=0, const int v=0) const { + return (long)x + (long)y*width + (long)z*width*height + (long)v*width*height*depth; + } + + //! Fast access to pixel value for reading or writing. + /** + \param x X-coordinate of the pixel. + \param y Y-coordinate of the pixel. + \param z Z-coordinate of the pixel. + \param v V-coordinate of the pixel. + + - If one image dimension is equal to 1, it can be omitted in the coordinate list (see example below). + - If the macro \c 'cimg_debug'>=3, boundary checking is performed and warning messages may appear + (but function performances decrease). + + \par example: + \code + CImg<float> img(100,100,1,3,0); // Define a 100x100 color image with float-valued black pixels. + const float valR = img(10,10,0,0); // Read the red component at coordinates (10,10). + const float valG = img(10,10,0,1); // Read the green component at coordinates (10,10) + const float valB = img(10,10,2); // Read the blue component at coordinates (10,10) (Z-coordinate omitted here). + const float avg = (valR + valG + valB)/3; // Compute average pixel value. + img(10,10,0) = img(10,10,1) = img(10,10,2) = avg; // Replace the pixel (10,10) by the average grey value. + \endcode + **/ +#if cimg_debug>=3 + T& operator()(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) { + const long off = offset(x,y,z,v); + if (!data || off>=(long)size()) { + cimg::warn("CImg<%s>::operator() : Pixel access requested at (%u,%u,%u,%u) (offset=%ld) " + "outside the image range (%u,%u,%u,%u) (size=%lu)", + pixel_type(),x,y,z,v,off,width,height,depth,dim,size()); + return *data; + } + else return data[off]; + } + + const T& operator()(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) const { + return const_cast<CImg<T>*>(this)->operator()(x,y,z,v); + } +#else + T& operator()(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) { + return data[(long)x + (long)y*width + (long)z*width*height + (long)v*width*height*depth]; + } + + const T& operator()(const unsigned int x, const unsigned int y=0, const unsigned int z=0, const unsigned int v=0) const { + return data[(long)x + (long)y*width + (long)z*width*height + (long)v*width*height*depth]; + } +#endif + + //! Fast access to pixel value for reading or writing, using an offset to the image pixel. + /** + \param off Offset of the pixel according to the begining of the pixel buffer, given by ptr(). + + - If the macro \c 'cimg_debug'>=3, boundary checking is performed and warning messages may appear + (but function performances decrease). + - As pixel values are aligned in memory, this operator can sometime useful to access values easier than + with operator()() (see example below). + + \par example: + \code + CImg<float> vec(1,10); // Define a vector of float values (10 lines, 1 row). + const float val1 = vec(0,4); // Get the fifth element using operator()(). + const float val2 = vec[4]; // Get the fifth element using operator[]. Here, val2==val1. + \endcode + **/ +#if cimg_debug>=3 + T& operator[](const unsigned long off) { + if (!data || off>=size()) { + cimg::warn("CImg<%s>::operator[] : Pixel access requested at offset=%lu " + "outside the image range (%u,%u,%u,%u) (size=%lu)", + pixel_type(),off,width,height,depth,dim,size()); + return *data; + } + else return data[off]; + } + + const T& operator[](const unsigned long off) const { + return const_cast<CImg<T>*>(this)->operator[](off); + } +#else + T& operator[](const unsigned long off) { + return data[off]; + } + + const T& operator[](const unsigned long off) const { + return data[off]; + } +#endif + + //! Return a reference to the last image value + T& back() { + return operator()(size()-1); + } + + const T& back() const { + return operator()(size()-1); + } + + //! Return a reference to the first image value + T& front() { + return *data; + } + + const T& front() const { + return *data; + } + + //! Return \c true if pixel (x,y,z,v) is inside image boundaries. + bool containsXYZV(const int x, const int y=0, const int z=0, const int v=0) const { + return !is_empty() && x>=0 && x<dimx() && y>=0 && y<dimy() && z>=0 && z<dimz() && v>=0 && v<dimv(); + } + + //! Return \c true if specified referenced value is inside image boundaries. If true, returns pixel coordinates in (x,y,z,v). + template<typename t> + bool contains(const T& pixel, t& x, t& y, t& z, t& v) const { + const unsigned long wh = width*height, whz = wh*depth, siz = whz*dim; + const T *const ppixel = &pixel; + if (is_empty() || ppixel<data || ppixel>=data+siz) return false; + unsigned long off = (unsigned long)(ppixel - data); + const unsigned long nv = off/whz; + off%=whz; + const unsigned long nz = off/wh; + off%=wh; + const unsigned long ny = off/width, nx = off%width; + x = (t)nx; y = (t)ny; z = (t)nz; v = (t)nv; + return true; + } + + //! Return \c true if specified referenced value is inside image boundaries. If true, returns pixel coordinates in (x,y,z). + template<typename t> + bool contains(const T& pixel, t& x, t& y, t& z) const { + const unsigned long wh = width*height, whz = wh*depth, siz = whz*dim; + const T *const ppixel = &pixel; + if (is_empty() || ppixel<data || ppixel>=data+siz) return false; + unsigned long off = ((unsigned long)(ppixel - data))%whz; + const unsigned long nz = off/wh; + off%=wh; + const unsigned long ny = off/width, nx = off%width; + x = (t)nx; y = (t)ny; z = (t)nz; + return true; + } + + //! Return \c true if specified referenced value is inside image boundaries. If true, returns pixel coordinates in (x,y). + template<typename t> + bool contains(const T& pixel, t& x, t& y) const { + const unsigned long wh = width*height, siz = wh*depth*dim; + const T *const ppixel = &pixel; + if (is_empty() || ppixel<data || ppixel>=data+siz) return false; + unsigned long off = ((unsigned long)(ppixel - data))%wh; + const unsigned long ny = off/width, nx = off%width; + x = (t)nx; y = (t)ny; + return true; + } + + //! Return \c true if specified referenced value is inside image boundaries. If true, returns pixel coordinates in (x). + template<typename t> + bool contains(const T& pixel, t& x) const { + const T *const ppixel = &pixel; + if (is_empty() || ppixel<data || ppixel>=data+size()) return false; + x = (t)(((unsigned long)(ppixel - data))%width); + return true; + } + + //! Return \c true if specified referenced value is inside the image boundaries. + bool contains(const T& pixel) const { + const T *const ppixel = &pixel; + return !is_empty() && ppixel>=data && ppixel<data+size(); + } + + //! Read a pixel value with Dirichlet boundary conditions. + T& at(const int off, const T out_val) { + return (off<0 || off>=(int)size())?(cimg::temporary(out_val)=out_val):(*this)[off]; + } + + T at(const int off, const T out_val) const { + return (off<0 || off>=(int)size())?out_val:(*this)[off]; + } + + //! Read a pixel value with Neumann boundary conditions. + T& at(const int off) { + if (!size()) + throw CImgInstanceException("CImg<%s>::at() : Instance image is empty.", + pixel_type()); + return _at(off); + } + + T at(const int off) const { + if (!size()) + throw CImgInstanceException("CImg<%s>::at() : Instance image is empty.", + pixel_type()); + return _at(off); + } + + T& _at(const int off) { + const unsigned int siz = (unsigned int)size(); + return (*this)[off<0?0:(unsigned int)off>=siz?siz-1:off]; + } + + T _at(const int off) const { + const unsigned int siz = (unsigned int)size(); + return (*this)[off<0?0:(unsigned int)off>=siz?siz-1:off]; + } + + //! Read a pixel value with Dirichlet boundary conditions. + T& atXYZV(const int x, const int y, const int z, const int v, const T out_val) { + return (x<0 || y<0 || z<0 || v<0 || x>=dimx() || y>=dimy() || z>=dimz() || v>=dimv())? + (cimg::temporary(out_val)=out_val):(*this)(x,y,z,v); + } + + T atXYZV(const int x, const int y, const int z, const int v, const T out_val) const { + return (x<0 || y<0 || z<0 || v<0 || x>=dimx() || y>=dimy() || z>=dimz() || v>=dimv())?out_val:(*this)(x,y,z,v); + } + + //! Read a pixel value with Neumann boundary conditions. + T& atXYZV(const int x, const int y, const int z, const int v) { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atXYZV() : Instance image is empty.", + pixel_type()); + return _atXYZV(x,y,z,v); + } + + T atXYZV(const int x, const int y, const int z, const int v) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atXYZV() : Instance image is empty.", + pixel_type()); + return _atXYZV(x,y,z,v); + } + + T& _atXYZV(const int x, const int y, const int z, const int v) { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x), y<0?0:(y>=dimy()?dimy()-1:y), + z<0?0:(z>=dimz()?dimz()-1:z), v<0?0:(v>=dimv()?dimv()-1:v)); + } + + T _atXYZV(const int x, const int y, const int z, const int v) const { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x), y<0?0:(y>=dimy()?dimy()-1:y), + z<0?0:(z>=dimz()?dimz()-1:z), v<0?0:(v>=dimv()?dimv()-1:v)); + } + + //! Read a pixel value with Dirichlet boundary conditions for the three first coordinates (\c x,\c y,\c z). + T& atXYZ(const int x, const int y, const int z, const int v, const T out_val) { + return (x<0 || y<0 || z<0 || x>=dimx() || y>=dimy() || z>=dimz())? + (cimg::temporary(out_val)=out_val):(*this)(x,y,z,v); + } + + T atXYZ(const int x, const int y, const int z, const int v, const T out_val) const { + return (x<0 || y<0 || z<0 || x>=dimx() || y>=dimy() || z>=dimz())?out_val:(*this)(x,y,z,v); + } + + //! Read a pixel value with Neumann boundary conditions for the three first coordinates (\c x,\c y,\c z). + T& atXYZ(const int x, const int y, const int z, const int v=0) { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atXYZ() : Instance image is empty.", + pixel_type()); + return _atXYZ(x,y,z,v); + } + + T atXYZ(const int x, const int y, const int z, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atXYZ() : Instance image is empty.", + pixel_type()); + return _atXYZ(x,y,z,v); + } + + T& _atXYZ(const int x, const int y, const int z, const int v=0) { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x),y<0?0:(y>=dimy()?dimy()-1:y), + z<0?0:(z>=dimz()?dimz()-1:z),v); + } + + T _atXYZ(const int x, const int y, const int z, const int v=0) const { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x),y<0?0:(y>=dimy()?dimy()-1:y), + z<0?0:(z>=dimz()?dimz()-1:z),v); + } + + //! Read a pixel value with Dirichlet boundary conditions for the two first coordinates (\c x,\c y). + T& atXY(const int x, const int y, const int z, const int v, const T out_val) { + return (x<0 || y<0 || x>=dimx() || y>=dimy())?(cimg::temporary(out_val)=out_val):(*this)(x,y,z,v); + } + + T atXY(const int x, const int y, const int z, const int v, const T out_val) const { + return (x<0 || y<0 || x>=dimx() || y>=dimy())?out_val:(*this)(x,y,z,v); + } + + //! Read a pixel value with Neumann boundary conditions for the two first coordinates (\c x,\c y). + T& atXY(const int x, const int y, const int z=0, const int v=0) { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atXY() : Instance image is empty.", + pixel_type()); + return _atXY(x,y,z,v); + } + + T atXY(const int x, const int y, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atXY() : Instance image is empty.", + pixel_type()); + return _atXY(x,y,z,v); + } + + T& _atXY(const int x, const int y, const int z=0, const int v=0) { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x), y<0?0:(y>=dimy()?dimy()-1:y),z,v); + } + + T _atXY(const int x, const int y, const int z=0, const int v=0) const { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x), y<0?0:(y>=dimy()?dimy()-1:y),z,v); + } + + //! Read a pixel value with Dirichlet boundary conditions for the first coordinates (\c x). + T& atX(const int x, const int y, const int z, const int v, const T out_val) { + return (x<0 || x>=dimx())?(cimg::temporary(out_val)=out_val):(*this)(x,y,z,v); + } + + T atX(const int x, const int y, const int z, const int v, const T out_val) const { + return (x<0 || x>=dimx())?out_val:(*this)(x,y,z,v); + } + + //! Read a pixel value with Neumann boundary conditions for the first coordinates (\c x). + T& atX(const int x, const int y=0, const int z=0, const int v=0) { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atX() : Instance image is empty.", + pixel_type()); + return _atX(x,y,z,v); + } + + T atX(const int x, const int y=0, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::atX() : Instance image is empty.", + pixel_type()); + return _atX(x,y,z,v); + } + + T& _atX(const int x, const int y=0, const int z=0, const int v=0) { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x),y,z,v); + } + + T _atX(const int x, const int y=0, const int z=0, const int v=0) const { + return (*this)(x<0?0:(x>=dimx()?dimx()-1:x),y,z,v); + } + + //! Read a pixel value using linear interpolation and Dirichlet boundary conditions. + Tfloat linear_atXYZV(const float fx, const float fy, const float fz, const float fv, const T out_val) const { + const int + x = (int)fx-(fx>=0?0:1), nx = x+1, + y = (int)fy-(fy>=0?0:1), ny = y+1, + z = (int)fz-(fz>=0?0:1), nz = z+1, + v = (int)fv-(fv>=0?0:1), nv = v+1; + const float + dx = fx-x, + dy = fy-y, + dz = fz-z, + dv = fv-v; + const Tfloat + Icccc = (Tfloat)atXYZV(x,y,z,v,out_val), Inccc = (Tfloat)atXYZV(nx,y,z,v,out_val), + Icncc = (Tfloat)atXYZV(x,ny,z,v,out_val), Inncc = (Tfloat)atXYZV(nx,ny,z,v,out_val), + Iccnc = (Tfloat)atXYZV(x,y,nz,v,out_val), Incnc = (Tfloat)atXYZV(nx,y,nz,v,out_val), + Icnnc = (Tfloat)atXYZV(x,ny,nz,v,out_val), Innnc = (Tfloat)atXYZV(nx,ny,nz,v,out_val), + Icccn = (Tfloat)atXYZV(x,y,z,nv,out_val), Inccn = (Tfloat)atXYZV(nx,y,z,nv,out_val), + Icncn = (Tfloat)atXYZV(x,ny,z,nv,out_val), Inncn = (Tfloat)atXYZV(nx,ny,z,nv,out_val), + Iccnn = (Tfloat)atXYZV(x,y,nz,nv,out_val), Incnn = (Tfloat)atXYZV(nx,y,nz,nv,out_val), + Icnnn = (Tfloat)atXYZV(x,ny,nz,nv,out_val), Innnn = (Tfloat)atXYZV(nx,ny,nz,nv,out_val); + return Icccc + + dx*(Inccc-Icccc + + dy*(Icccc+Inncc-Icncc-Inccc + + dz*(Iccnc+Innnc+Icncc+Inccc-Icnnc-Incnc-Icccc-Inncc + + dv*(Iccnn+Innnn+Icncn+Inccn+Icnnc+Incnc+Icccc+Inncc-Icnnn-Incnn-Icccn-Inncn-Iccnc-Innnc-Icncc-Inccc)) + + dv*(Icccn+Inncn+Icncc+Inccc-Icncn-Inccn-Icccc-Inncc)) + + dz*(Icccc+Incnc-Iccnc-Inccc + + dv*(Icccn+Incnn+Iccnc+Inccc-Iccnn-Inccn-Icccc-Incnc)) + + dv*(Icccc+Inccn-Inccc-Icccn)) + + dy*(Icncc-Icccc + + dz*(Icccc+Icnnc-Iccnc-Icncc + + dv*(Icccn+Icnnn+Iccnc+Icncc-Iccnn-Icncn-Icccc-Icnnc)) + + dv*(Icccc+Icncn-Icncc-Icccn)) + + dz*(Iccnc-Icccc + + dv*(Icccc+Iccnn-Iccnc-Icccn)) + + dv*(Icccn-Icccc); + } + + //! Read a pixel value using linear interpolation and Neumann boundary conditions. + Tfloat linear_atXYZV(const float fx, const float fy=0, const float fz=0, const float fv=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::linear_atXYZV() : Instance image is empty.", + pixel_type()); + return _linear_atXYZV(fx,fy,fz,fv); + } + + Tfloat _linear_atXYZV(const float fx, const float fy=0, const float fz=0, const float fv=0) const { + const float + nfx = fx<0?0:(fx>width-1?width-1:fx), + nfy = fy<0?0:(fy>height-1?height-1:fy), + nfz = fz<0?0:(fz>depth-1?depth-1:fz), + nfv = fv<0?0:(fv>dim-1?dim-1:fv); + const unsigned int + x = (unsigned int)nfx, + y = (unsigned int)nfy, + z = (unsigned int)nfz, + v = (unsigned int)nfv; + const float + dx = nfx-x, + dy = nfy-y, + dz = nfz-z, + dv = nfv-v; + const unsigned int + nx = dx>0?x+1:x, + ny = dy>0?y+1:y, + nz = dz>0?z+1:z, + nv = dv>0?v+1:v; + const Tfloat + Icccc = (Tfloat)(*this)(x,y,z,v), Inccc = (Tfloat)(*this)(nx,y,z,v), + Icncc = (Tfloat)(*this)(x,ny,z,v), Inncc = (Tfloat)(*this)(nx,ny,z,v), + Iccnc = (Tfloat)(*this)(x,y,nz,v), Incnc = (Tfloat)(*this)(nx,y,nz,v), + Icnnc = (Tfloat)(*this)(x,ny,nz,v), Innnc = (Tfloat)(*this)(nx,ny,nz,v), + Icccn = (Tfloat)(*this)(x,y,z,nv), Inccn = (Tfloat)(*this)(nx,y,z,nv), + Icncn = (Tfloat)(*this)(x,ny,z,nv), Inncn = (Tfloat)(*this)(nx,ny,z,nv), + Iccnn = (Tfloat)(*this)(x,y,nz,nv), Incnn = (Tfloat)(*this)(nx,y,nz,nv), + Icnnn = (Tfloat)(*this)(x,ny,nz,nv), Innnn = (Tfloat)(*this)(nx,ny,nz,nv); + return Icccc + + dx*(Inccc-Icccc + + dy*(Icccc+Inncc-Icncc-Inccc + + dz*(Iccnc+Innnc+Icncc+Inccc-Icnnc-Incnc-Icccc-Inncc + + dv*(Iccnn+Innnn+Icncn+Inccn+Icnnc+Incnc+Icccc+Inncc-Icnnn-Incnn-Icccn-Inncn-Iccnc-Innnc-Icncc-Inccc)) + + dv*(Icccn+Inncn+Icncc+Inccc-Icncn-Inccn-Icccc-Inncc)) + + dz*(Icccc+Incnc-Iccnc-Inccc + + dv*(Icccn+Incnn+Iccnc+Inccc-Iccnn-Inccn-Icccc-Incnc)) + + dv*(Icccc+Inccn-Inccc-Icccn)) + + dy*(Icncc-Icccc + + dz*(Icccc+Icnnc-Iccnc-Icncc + + dv*(Icccn+Icnnn+Iccnc+Icncc-Iccnn-Icncn-Icccc-Icnnc)) + + dv*(Icccc+Icncn-Icncc-Icccn)) + + dz*(Iccnc-Icccc + + dv*(Icccc+Iccnn-Iccnc-Icccn)) + + dv*(Icccn-Icccc); + } + + //! Read a pixel value using linear interpolation and Dirichlet boundary conditions (first three coordinates). + Tfloat linear_atXYZ(const float fx, const float fy, const float fz, const int v, const T out_val) const { + const int + x = (int)fx-(fx>=0?0:1), nx = x+1, + y = (int)fy-(fy>=0?0:1), ny = y+1, + z = (int)fz-(fz>=0?0:1), nz = z+1; + const float + dx = fx-x, + dy = fy-y, + dz = fz-z; + const Tfloat + Iccc = (Tfloat)atXYZ(x,y,z,v,out_val), Incc = (Tfloat)atXYZ(nx,y,z,v,out_val), + Icnc = (Tfloat)atXYZ(x,ny,z,v,out_val), Innc = (Tfloat)atXYZ(nx,ny,z,v,out_val), + Iccn = (Tfloat)atXYZ(x,y,nz,v,out_val), Incn = (Tfloat)atXYZ(nx,y,nz,v,out_val), + Icnn = (Tfloat)atXYZ(x,ny,nz,v,out_val), Innn = (Tfloat)atXYZ(nx,ny,nz,v,out_val); + return Iccc + + dx*(Incc-Iccc + + dy*(Iccc+Innc-Icnc-Incc + + dz*(Iccn+Innn+Icnc+Incc-Icnn-Incn-Iccc-Innc)) + + dz*(Iccc+Incn-Iccn-Incc)) + + dy*(Icnc-Iccc + + dz*(Iccc+Icnn-Iccn-Icnc)) + + dz*(Iccn-Iccc); + } + + //! Read a pixel value using linear interpolation and Neumann boundary conditions (first three coordinates). + Tfloat linear_atXYZ(const float fx, const float fy=0, const float fz=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::linear_atXYZ() : Instance image is empty.", + pixel_type()); + return _linear_atXYZ(fx,fy,fz,v); + } + + Tfloat _linear_atXYZ(const float fx, const float fy=0, const float fz=0, const int v=0) const { + const float + nfx = fx<0?0:(fx>width-1?width-1:fx), + nfy = fy<0?0:(fy>height-1?height-1:fy), + nfz = fz<0?0:(fz>depth-1?depth-1:fz); + const unsigned int + x = (unsigned int)nfx, + y = (unsigned int)nfy, + z = (unsigned int)nfz; + const float + dx = nfx-x, + dy = nfy-y, + dz = nfz-z; + const unsigned int + nx = dx>0?x+1:x, + ny = dy>0?y+1:y, + nz = dz>0?z+1:z; + const Tfloat + Iccc = (Tfloat)(*this)(x,y,z,v), Incc = (Tfloat)(*this)(nx,y,z,v), + Icnc = (Tfloat)(*this)(x,ny,z,v), Innc = (Tfloat)(*this)(nx,ny,z,v), + Iccn = (Tfloat)(*this)(x,y,nz,v), Incn = (Tfloat)(*this)(nx,y,nz,v), + Icnn = (Tfloat)(*this)(x,ny,nz,v), Innn = (Tfloat)(*this)(nx,ny,nz,v); + return Iccc + + dx*(Incc-Iccc + + dy*(Iccc+Innc-Icnc-Incc + + dz*(Iccn+Innn+Icnc+Incc-Icnn-Incn-Iccc-Innc)) + + dz*(Iccc+Incn-Iccn-Incc)) + + dy*(Icnc-Iccc + + dz*(Iccc+Icnn-Iccn-Icnc)) + + dz*(Iccn-Iccc); + } + + //! Read a pixel value using linear interpolation and Dirichlet boundary conditions (first two coordinates). + Tfloat linear_atXY(const float fx, const float fy, const int z, const int v, const T out_val) const { + const int + x = (int)fx-(fx>=0?0:1), nx = x+1, + y = (int)fy-(fy>=0?0:1), ny = y+1; + const float + dx = fx-x, + dy = fy-y; + const Tfloat + Icc = (Tfloat)atXY(x,y,z,v,out_val), Inc = (Tfloat)atXY(nx,y,z,v,out_val), + Icn = (Tfloat)atXY(x,ny,z,v,out_val), Inn = (Tfloat)atXY(nx,ny,z,v,out_val); + return Icc + dx*(Inc-Icc + dy*(Icc+Inn-Icn-Inc)) + dy*(Icn-Icc); + } + + //! Read a pixel value using linear interpolation and Neumann boundary conditions (first two coordinates). + Tfloat linear_atXY(const float fx, const float fy, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::linear_atXY() : Instance image is empty.", + pixel_type()); + return _linear_atXY(fx,fy,z,v); + } + + Tfloat _linear_atXY(const float fx, const float fy, const int z=0, const int v=0) const { + const float + nfx = fx<0?0:(fx>width-1?width-1:fx), + nfy = fy<0?0:(fy>height-1?height-1:fy); + const unsigned int + x = (unsigned int)nfx, + y = (unsigned int)nfy; + const float + dx = nfx-x, + dy = nfy-y; + const unsigned int + nx = dx>0?x+1:x, + ny = dy>0?y+1:y; + const Tfloat + Icc = (Tfloat)(*this)(x,y,z,v), Inc = (Tfloat)(*this)(nx,y,z,v), + Icn = (Tfloat)(*this)(x,ny,z,v), Inn = (Tfloat)(*this)(nx,ny,z,v); + return Icc + dx*(Inc-Icc + dy*(Icc+Inn-Icn-Inc)) + dy*(Icn-Icc); + } + + //! Read a pixel value using linear interpolation and Dirichlet boundary conditions (first coordinate). + Tfloat linear_atX(const float fx, const int y, const int z, const int v, const T out_val) const { + const int + x = (int)fx-(fx>=0?0:1), nx = x+1; + const float + dx = fx-x; + const Tfloat + Ic = (Tfloat)atX(x,y,z,v,out_val), In = (Tfloat)atXY(nx,y,z,v,out_val); + return Ic + dx*(In-Ic); + } + + //! Read a pixel value using linear interpolation and Neumann boundary conditions (first coordinate). + Tfloat linear_atX(const float fx, const int y=0, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::linear_atX() : Instance image is empty.", + pixel_type()); + return _linear_atX(fx,y,z,v); + } + + Tfloat _linear_atX(const float fx, const int y=0, const int z=0, const int v=0) const { + const float + nfx = fx<0?0:(fx>width-1?width-1:fx); + const unsigned int + x = (unsigned int)nfx; + const float + dx = nfx-x; + const unsigned int + nx = dx>0?x+1:x; + const Tfloat + Ic = (Tfloat)(*this)(x,y,z,v), In = (Tfloat)(*this)(nx,y,z,v); + return Ic + dx*(In-Ic); + } + + //! Read a pixel value using cubic interpolation and Dirichlet boundary conditions. + Tfloat cubic_atXY(const float fx, const float fy, const int z, const int v, const T out_val) const { + const int + x = (int)fx-(fx>=0?0:1), px = x-1, nx = x+1, ax = x+2, + y = (int)fy-(fy>=0?0:1), py = y-1, ny = y+1, ay = y+2; + const float + dx = fx-x, dx2 = dx*dx, dx3 = dx2*dx, + dy = fy-y; + const Tfloat + Ipp = (Tfloat)atXY(px,py,z,v,out_val), Icp = (Tfloat)atXY(x,py,z,v,out_val), + Inp = (Tfloat)atXY(nx,py,z,v,out_val), Iap = (Tfloat)atXY(ax,py,z,v,out_val), + Ipc = (Tfloat)atXY(px,y,z,v,out_val), Icc = (Tfloat)atXY(x,y,z,v,out_val), + Inc = (Tfloat)atXY(nx,y,z,v,out_val), Iac = (Tfloat)atXY(ax,y,z,v,out_val), + Ipn = (Tfloat)atXY(px,ny,z,v,out_val), Icn = (Tfloat)atXY(x,ny,z,v,out_val), + Inn = (Tfloat)atXY(nx,ny,z,v,out_val), Ian = (Tfloat)atXY(ax,ny,z,v,out_val), + Ipa = (Tfloat)atXY(px,ay,z,v,out_val), Ica = (Tfloat)atXY(x,ay,z,v,out_val), + Ina = (Tfloat)atXY(nx,ay,z,v,out_val), Iaa = (Tfloat)atXY(ax,ay,z,v,out_val), + valm = cimg::min(cimg::min(Ipp,Icp,Inp,Iap),cimg::min(Ipc,Icc,Inc,Iac),cimg::min(Ipn,Icn,Inn,Ian),cimg::min(Ipa,Ica,Ina,Iaa)), + valM = cimg::max(cimg::max(Ipp,Icp,Inp,Iap),cimg::max(Ipc,Icc,Inc,Iac),cimg::max(Ipn,Icn,Inn,Ian),cimg::max(Ipa,Ica,Ina,Iaa)), + u0p = Icp - Ipp, + u1p = Iap - Inp, + ap = 2*(Icp-Inp) + u0p + u1p, + bp = 3*(Inp-Icp) - 2*u0p - u1p, + u0c = Icc - Ipc, + u1c = Iac - Inc, + ac = 2*(Icc-Inc) + u0c + u1c, + bc = 3*(Inc-Icc) - 2*u0c - u1c, + u0n = Icn - Ipn, + u1n = Ian - Inn, + an = 2*(Icn-Inn) + u0n + u1n, + bn = 3*(Inn-Icn) - 2*u0n - u1n, + u0a = Ica - Ipa, + u1a = Iaa - Ina, + aa = 2*(Ica-Ina) + u0a + u1a, + ba = 3*(Ina-Ica) - 2*u0a - u1a, + valp = ap*dx3 + bp*dx2 + u0p*dx + Icp, + valc = ac*dx3 + bc*dx2 + u0c*dx + Icc, + valn = an*dx3 + bn*dx2 + u0n*dx + Icn, + vala = aa*dx3 + ba*dx2 + u0a*dx + Ica, + u0 = valc - valp, + u1 = vala - valn, + a = 2*(valc-valn) + u0 + u1, + b = 3*(valn-valc) - 2*u0 - u1, + val = a*dy*dy*dy + b*dy*dy + u0*dy + valc; + return val<valm?valm:(val>valM?valM:val); + } + + //! Read a pixel value using cubic interpolation and Neumann boundary conditions. + Tfloat cubic_atXY(const float fx, const float fy, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::cubic_atXY() : Instance image is empty.", + pixel_type()); + return _cubic_atXY(fx,fy,z,v); + } + + Tfloat _cubic_atXY(const float fx, const float fy, const int z=0, const int v=0) const { + const float + nfx = fx<0?0:(fx>width-1?width-1:fx), + nfy = fy<0?0:(fy>height-1?height-1:fy); + const int + x = (int)nfx, + y = (int)nfy; + const float + dx = nfx-x, dx2 = dx*dx, dx3 = dx2*dx, + dy = nfy-y; + const int + px = x-1<0?0:x-1, nx = dx>0?x+1:x, ax = x+2>=dimx()?dimx()-1:x+2, + py = y-1<0?0:y-1, ny = dy>0?y+1:y, ay = y+2>=dimy()?dimy()-1:y+2; + const Tfloat + Ipp = (Tfloat)(*this)(px,py,z,v), Icp = (Tfloat)(*this)(x,py,z,v), + Inp = (Tfloat)(*this)(nx,py,z,v), Iap = (Tfloat)(*this)(ax,py,z,v), + Ipc = (Tfloat)(*this)(px,y,z,v), Icc = (Tfloat)(*this)(x,y,z,v), + Inc = (Tfloat)(*this)(nx,y,z,v), Iac = (Tfloat)(*this)(ax,y,z,v), + Ipn = (Tfloat)(*this)(px,ny,z,v), Icn = (Tfloat)(*this)(x,ny,z,v), + Inn = (Tfloat)(*this)(nx,ny,z,v), Ian = (Tfloat)(*this)(ax,ny,z,v), + Ipa = (Tfloat)(*this)(px,ay,z,v), Ica = (Tfloat)(*this)(x,ay,z,v), + Ina = (Tfloat)(*this)(nx,ay,z,v), Iaa = (Tfloat)(*this)(ax,ay,z,v), + valm = cimg::min(cimg::min(Ipp,Icp,Inp,Iap),cimg::min(Ipc,Icc,Inc,Iac),cimg::min(Ipn,Icn,Inn,Ian),cimg::min(Ipa,Ica,Ina,Iaa)), + valM = cimg::max(cimg::max(Ipp,Icp,Inp,Iap),cimg::max(Ipc,Icc,Inc,Iac),cimg::max(Ipn,Icn,Inn,Ian),cimg::max(Ipa,Ica,Ina,Iaa)), + u0p = Icp - Ipp, + u1p = Iap - Inp, + ap = 2*(Icp-Inp) + u0p + u1p, + bp = 3*(Inp-Icp) - 2*u0p - u1p, + u0c = Icc - Ipc, + u1c = Iac - Inc, + ac = 2*(Icc-Inc) + u0c + u1c, + bc = 3*(Inc-Icc) - 2*u0c - u1c, + u0n = Icn - Ipn, + u1n = Ian - Inn, + an = 2*(Icn-Inn) + u0n + u1n, + bn = 3*(Inn-Icn) - 2*u0n - u1n, + u0a = Ica - Ipa, + u1a = Iaa - Ina, + aa = 2*(Ica-Ina) + u0a + u1a, + ba = 3*(Ina-Ica) - 2*u0a - u1a, + valp = ap*dx3 + bp*dx2 + u0p*dx + Icp, + valc = ac*dx3 + bc*dx2 + u0c*dx + Icc, + valn = an*dx3 + bn*dx2 + u0n*dx + Icn, + vala = aa*dx3 + ba*dx2 + u0a*dx + Ica, + u0 = valc - valp, + u1 = vala - valn, + a = 2*(valc-valn) + u0 + u1, + b = 3*(valn-valc) - 2*u0 - u1, + val = a*dy*dy*dy + b*dy*dy + u0*dy + valc; + return val<valm?valm:(val>valM?valM:val); + } + + //! Read a pixel value using cubic interpolation and Dirichlet boundary conditions (first coordinates). + Tfloat cubic_atX(const float fx, const int y, const int z, const int v, const T out_val) const { + const int + x = (int)fx-(fx>=0?0:1), px = x-1, nx = x+1, ax = x+2; + const float + dx = fx-x; + const Tfloat + Ip = (Tfloat)atX(px,y,z,v,out_val), Ic = (Tfloat)atX(x,y,z,v,out_val), + In = (Tfloat)atX(nx,y,z,v,out_val), Ia = (Tfloat)atX(ax,y,z,v,out_val), + valm = cimg::min(Ip,In,Ic,Ia), valM = cimg::max(Ip,In,Ic,Ia), + u0 = Ic - Ip, + u1 = Ia - In, + a = 2*(Ic-In) + u0 + u1, + b = 3*(In-Ic) - 2*u0 - u1, + val = a*dx*dx*dx + b*dx*dx + u0*dx + Ic; + return val<valm?valm:(val>valM?valM:val); + } + + //! Read a pixel value using cubic interpolation and Neumann boundary conditions (first coordinates). + Tfloat cubic_atX(const float fx, const int y=0, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::cubic_atX() : Instance image is empty.", + pixel_type()); + return _cubic_atX(fx,y,z,v); + } + + Tfloat _cubic_atX(const float fx, const int y=0, const int z=0, const int v=0) const { + const float + nfx = fx<0?0:(fx>width-1?width-1:fx); + const int + x = (int)nfx; + const float + dx = nfx-x; + const int + px = x-1<0?0:x-1, nx = dx>0?x+1:x, ax = x+2>=dimx()?dimx()-1:x+2; + const Tfloat + Ip = (Tfloat)(*this)(px,y,z,v), Ic = (Tfloat)(*this)(x,y,z,v), + In = (Tfloat)(*this)(nx,y,z,v), Ia = (Tfloat)(*this)(ax,y,z,v), + valm = cimg::min(Ip,In,Ic,Ia), valM = cimg::max(Ip,In,Ic,Ia), + u0 = Ic - Ip, + u1 = Ia - In, + a = 2*(Ic-In) + u0 + u1, + b = 3*(In-Ic) - 2*u0 - u1, + val = a*dx*dx*dx + b*dx*dx + u0*dx + Ic; + return val<valm?valm:(val>valM?valM:val); + } + + //! Set a pixel value, with 3D float coordinates, using linear interpolation. + CImg& set_linear_atXYZ(const T& val, const float fx, const float fy=0, const float fz=0, const int v=0, + const bool add=false) { + const int + x = (int)fx-(fx>=0?0:1), nx = x+1, + y = (int)fy-(fy>=0?0:1), ny = y+1, + z = (int)fz-(fz>=0?0:1), nz = z+1; + const float + dx = fx-x, + dy = fy-y, + dz = fz-z; + if (v>=0 && v<dimv()) { + if (z>=0 && z<dimz()) { + if (y>=0 && y<dimy()) { + if (x>=0 && x<dimx()) { + const float w1 = (1-dx)*(1-dy)*(1-dz), w2 = add?1:(1-w1); + (*this)(x,y,z,v) = (T)(w1*val + w2*(*this)(x,y,z,v)); + } + if (nx>=0 && nx<dimx()) { + const float w1 = dx*(1-dy)*(1-dz), w2 = add?1:(1-w1); + (*this)(nx,y,z,v) = (T)(w1*val + w2*(*this)(nx,y,z,v)); + } + } + if (ny>=0 && ny<dimy()) { + if (x>=0 && x<dimx()) { + const float w1 = (1-dx)*dy*(1-dz), w2 = add?1:(1-w1); + (*this)(x,ny,z,v) = (T)(w1*val + w2*(*this)(x,ny,z,v)); + } + if (nx>=0 && nx<dimx()) { + const float w1 = dx*dy*(1-dz), w2 = add?1:(1-w1); + (*this)(nx,ny,z,v) = (T)(w1*val + w2*(*this)(nx,ny,z,v)); + } + } + } + if (nz>=0 && nz<dimz()) { + if (y>=0 && y<dimy()) { + if (x>=0 && x<dimx()) { + const float w1 = (1-dx)*(1-dy), w2 = add?1:(1-w1); + (*this)(x,y,nz,v) = (T)(w1*val + w2*(*this)(x,y,nz,v)); + } + if (nx>=0 && nx<dimx()) { + const float w1 = dx*(1-dy), w2 = add?1:(1-w1); + (*this)(nx,y,nz,v) = (T)(w1*val + w2*(*this)(nx,y,nz,v)); + } + } + if (ny>=0 && ny<dimy()) { + if (x>=0 && x<dimx()) { + const float w1 = (1-dx)*dy, w2 = add?1:(1-w1); + (*this)(x,ny,nz,v) = (T)(w1*val + w2*(*this)(x,ny,nz,v)); + } + if (nx>=0 && nx<dimx()) { + const float w1 = dx*dy, w2 = add?1:(1-w1); + (*this)(nx,ny,nz,v) = (T)(w1*val + w2*(*this)(nx,ny,nz,v)); + } + } + } + } + return *this; + } + + //! Set a pixel value, with 2D float coordinates, using linear interpolation. + CImg& set_linear_atXY(const T& val, const float fx, const float fy=0, const int z=0, const int v=0, + const bool add=false) { + const int + x = (int)fx-(fx>=0?0:1), nx = x+1, + y = (int)fy-(fy>=0?0:1), ny = y+1; + const float + dx = fx-x, + dy = fy-y; + if (z>=0 && z<dimz() && v>=0 && v<dimv()) { + if (y>=0 && y<dimy()) { + if (x>=0 && x<dimx()) { + const float w1 = (1-dx)*(1-dy), w2 = add?1:(1-w1); + (*this)(x,y,z,v) = (T)(w1*val + w2*(*this)(x,y,z,v)); + } + if (nx>=0 && nx<dimx()) { + const float w1 = dx*(1-dy), w2 = add?1:(1-w1); + (*this)(nx,y,z,v) = (T)(w1*val + w2*(*this)(nx,y,z,v)); + } + } + if (ny>=0 && ny<dimy()) { + if (x>=0 && x<dimx()) { + const float w1 = (1-dx)*dy, w2 = add?1:(1-w1); + (*this)(x,ny,z,v) = (T)(w1*val + w2*(*this)(x,ny,z,v)); + } + if (nx>=0 && nx<dimx()) { + const float w1 = dx*dy, w2 = add?1:(1-w1); + (*this)(nx,ny,z,v) = (T)(w1*val + w2*(*this)(nx,ny,z,v)); + } + } + } + return *this; + } + + //! Return a reference to the minimum pixel value of the instance image + const T& min() const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::min() : Instance image is empty.", + pixel_type()); + const T *ptrmin = data; + T min_value = *ptrmin; + cimg_for(*this,ptr,T) if ((*ptr)<min_value) min_value = *(ptrmin=ptr); + return *ptrmin; + } + + //! Return a reference to the minimum pixel value of the instance image + T& min() { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::min() : Instance image is empty.", + pixel_type()); + T *ptrmin = data; + T min_value = *ptrmin; + cimg_for(*this,ptr,T) if ((*ptr)<min_value) min_value = *(ptrmin=ptr); + return *ptrmin; + } + + //! Return a reference to the maximum pixel value of the instance image + const T& max() const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::max() : Instance image is empty.", + pixel_type()); + const T *ptrmax = data; + T max_value = *ptrmax; + cimg_for(*this,ptr,T) if ((*ptr)>max_value) max_value = *(ptrmax=ptr); + return *ptrmax; + } + + //! Return a reference to the maximum pixel value of the instance image + T& max() { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::max() : Instance image is empty.", + pixel_type()); + T *ptrmax = data; + T max_value = *ptrmax; + cimg_for(*this,ptr,T) if ((*ptr)>max_value) max_value = *(ptrmax=ptr); + return *ptrmax; + } + + //! Return a reference to the minimum pixel value and return also the maximum pixel value. + template<typename t> + const T& minmax(t& max_val) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::minmax() : Instance image is empty.", + pixel_type()); + const T *ptrmin = data; + T min_value = *ptrmin, max_value = min_value; + cimg_for(*this,ptr,T) { + const T val = *ptr; + if (val<min_value) { min_value = val; ptrmin = ptr; } + if (val>max_value) max_value = val; + } + max_val = (t)max_value; + return *ptrmin; + } + + //! Return a reference to the minimum pixel value and return also the maximum pixel value. + template<typename t> + T& minmax(t& max_val) { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::minmax() : Instance image is empty.", + pixel_type()); + T *ptrmin = data; + T min_value = *ptrmin, max_value = min_value; + cimg_for(*this,ptr,T) { + const T val = *ptr; + if (val<min_value) { min_value = val; ptrmin = ptr; } + if (val>max_value) max_value = val; + } + max_val = (t)max_value; + return *ptrmin; + } + + //! Return a reference to the maximum pixel value and return also the minimum pixel value. + template<typename t> + const T& maxmin(t& min_val) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::maxmin() : Instance image is empty.", + pixel_type()); + const T *ptrmax = data; + T max_value = *ptrmax, min_value = max_value; + cimg_for(*this,ptr,T) { + const T val = *ptr; + if (val>max_value) { max_value = val; ptrmax = ptr; } + if (val<min_value) min_value = val; + } + min_val = (t)min_value; + return *ptrmax; + } + + //! Return a reference to the maximum pixel value and return also the minimum pixel value. + template<typename t> + T& maxmin(t& min_val) { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::maxmin() : Instance image is empty.", + pixel_type()); + T *ptrmax = data; + T max_value = *ptrmax, min_value = max_value; + cimg_for(*this,ptr,T) { + const T val = *ptr; + if (val>max_value) { max_value = val; ptrmax = ptr; } + if (val<min_value) min_value = val; + } + min_val = (t)min_value; + return *ptrmax; + } + + //! Return the sum of all the pixel values in an image. + Tfloat sum() const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::sum() : Instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + Tfloat res = 0; + cimg_for(*this,ptr,T) res+=*ptr; + return res; + } + + //! Return the mean pixel value of the instance image. + Tfloat mean() const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::mean() : Instance image is empty.", + pixel_type()); + Tfloat val = 0; + cimg_for(*this,ptr,T) val+=*ptr; + return val/size(); + } + + //! Return the variance of the image. + /** + @param variance_method Determines how to calculate the variance + <table border="0"> + <tr><td>0</td> + <td>Second moment: + @f$ v = 1/N \sum\limits_{k=1}^{N} (x_k - \bar x)^2 + = 1/N \left( \sum\limits_{k=1}^N x_k^2 - \left( \sum\limits_{k=1}^N x_k \right)^2 / N \right) @f$ + with @f$ \bar x = 1/N \sum\limits_{k=1}^N x_k \f$</td></tr> + <tr><td>1</td> + <td>Best unbiased estimator: @f$ v = \frac{1}{N-1} \sum\limits_{k=1}^{N} (x_k - \bar x)^2 @f$</td></tr> + <tr><td>2</td> + <td>Least median of squares</td></tr> + <tr><td>3</td> + <td>Least trimmed of squares</td></tr> + </table> + */ + Tfloat variance(const unsigned int variance_method=1) const { + Tfloat foo; + return variancemean(variance_method,foo); + } + + //! Return the variance and the mean of the image. + template<typename t> + Tfloat variancemean(const unsigned int variance_method, t& mean) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::variance() : Instance image is empty.", + pixel_type()); + Tfloat variance = 0, average = 0; + const unsigned int siz = size(); + switch (variance_method) { + case 3 : { // Least trimmed of Squares + CImg<Tfloat> buf(*this); + const unsigned int siz2 = siz>>1; + { cimg_for(buf,ptrs,Tfloat) { const Tfloat val = *ptrs; (*ptrs)*=val; average+=val; }} + buf.sort(); + Tfloat a = 0; + const Tfloat *ptrs = buf.ptr(); + for (unsigned int j = 0; j<siz2; ++j) a+=*(ptrs++); + const Tfloat sig = (Tfloat)(2.6477*cimg_std::sqrt(a/siz2)); + variance = sig*sig; + } break; + case 2 : { // Least Median of Squares (MAD) + CImg<Tfloat> buf(*this); + buf.sort(); + const unsigned int siz2 = siz>>1; + const Tfloat med_i = buf[siz2]; + cimg_for(buf,ptrs,Tfloat) { const Tfloat val = *ptrs; *ptrs = cimg::abs(val - med_i); average+=val; } + buf.sort(); + const Tfloat sig = (Tfloat)(1.4828*buf[siz2]); + variance = sig*sig; + } break; + case 1 : { // Least mean square (robust definition) + Tfloat S = 0, S2 = 0; + cimg_for(*this,ptr,T) { const Tfloat val = (Tfloat)*ptr; S+=val; S2+=val*val; } + variance = siz>1?(S2 - S*S/siz)/(siz - 1):0; + average = S; + } break; + case 0 :{ // Least mean square (standard definition) + Tfloat S = 0, S2 = 0; + cimg_for(*this,ptr,T) { const Tfloat val = (Tfloat)*ptr; S+=val; S2+=val*val; } + variance = (S2 - S*S/siz)/siz; + average = S; + } break; + default : + throw CImgArgumentException("CImg<%s>::variancemean() : Incorrect parameter 'variance_method = %d' (correct values are 0,1,2 or 3).", + pixel_type(),variance_method); + } + mean = (t)(average/siz); + return variance>0?variance:0; + } + + //! Return the kth smallest element of the image. + // (Adapted from the numerical recipies for CImg) + T kth_smallest(const unsigned int k) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::kth_smallest() : Instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + CImg<T> arr(*this); + unsigned long l = 0, ir = size()-1; + for (;;) { + if (ir<=l+1) { + if (ir==l+1 && arr[ir]<arr[l]) cimg::swap(arr[l],arr[ir]); + return arr[k]; + } else { + const unsigned long mid = (l+ir)>>1; + cimg::swap(arr[mid],arr[l+1]); + if (arr[l]>arr[ir]) cimg::swap(arr[l],arr[ir]); + if (arr[l+1]>arr[ir]) cimg::swap(arr[l+1],arr[ir]); + if (arr[l]>arr[l+1]) cimg::swap(arr[l],arr[l+1]); + unsigned long i = l+1, j = ir; + const T pivot = arr[l+1]; + for (;;) { + do ++i; while (arr[i]<pivot); + do --j; while (arr[j]>pivot); + if (j<i) break; + cimg::swap(arr[i],arr[j]); + } + arr[l+1] = arr[j]; + arr[j] = pivot; + if (j>=k) ir=j-1; + if (j<=k) l=i; + } + } + return 0; + } + + //! Compute a statistics vector (min,max,mean,variance,xmin,ymin,zmin,vmin,xmax,ymax,zmax,vmax). + CImg<T>& stats(const unsigned int variance_method=1) { + return get_stats(variance_method).transfer_to(*this); + } + + CImg<Tfloat> get_stats(const unsigned int variance_method=1) const { + if (is_empty()) return CImg<Tfloat>(); + const unsigned long siz = size(); + const T *const odata = data; + const T *pm = odata, *pM = odata; + Tfloat S = 0, S2 = 0; + T m = *pm, M = m; + cimg_for(*this,ptr,T) { + const T val = *ptr; + const Tfloat fval = (Tfloat)val; + if (val<m) { m = val; pm = ptr; } + if (val>M) { M = val; pM = ptr; } + S+=fval; + S2+=fval*fval; + } + const Tfloat + mean_value = S/siz, + _variance_value = variance_method==0?(S2 - S*S/siz)/siz: + (variance_method==1?(siz>1?(S2 - S*S/siz)/(siz - 1):0): + variance(variance_method)), + variance_value = _variance_value>0?_variance_value:0; + int + xm = 0, ym = 0, zm = 0, vm = 0, + xM = 0, yM = 0, zM = 0, vM = 0; + contains(*pm,xm,ym,zm,vm); + contains(*pM,xM,yM,zM,vM); + return CImg<Tfloat>(1,12).fill((Tfloat)m,(Tfloat)M,mean_value,variance_value, + (Tfloat)xm,(Tfloat)ym,(Tfloat)zm,(Tfloat)vm, + (Tfloat)xM,(Tfloat)yM,(Tfloat)zM,(Tfloat)vM); + } + + //! Return the median value of the image. + T median() const { + const unsigned int s = size(); + const T res = kth_smallest(s>>1); + return (s%2)?res:((res+kth_smallest((s>>1)-1))/2); + } + + //! Compute the MSE (Mean-Squared Error) between two images. + template<typename t> + Tfloat MSE(const CImg<t>& img) const { + if (img.size()!=size()) + throw CImgArgumentException("CImg<%s>::MSE() : Instance image (%u,%u,%u,%u) and given image (%u,%u,%u,%u) have different dimensions.", + pixel_type(),width,height,depth,dim,img.width,img.height,img.depth,img.dim); + + Tfloat vMSE = 0; + const t* ptr2 = img.end(); + cimg_for(*this,ptr1,T) { + const Tfloat diff = (Tfloat)*ptr1 - (Tfloat)*(--ptr2); + vMSE += diff*diff; + } + vMSE/=img.size(); + return vMSE; + } + + //! Compute the PSNR between two images. + template<typename t> + Tfloat PSNR(const CImg<t>& img, const Tfloat valmax=(Tfloat)255) const { + const Tfloat vMSE = (Tfloat)cimg_std::sqrt(MSE(img)); + return (vMSE!=0)?(Tfloat)(20*cimg_std::log10(valmax/vMSE)):(Tfloat)(cimg::type<Tfloat>::max()); + } + + //! Return the trace of the image, viewed as a matrix. + Tfloat trace() const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::trace() : Instance matrix (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + Tfloat res = 0; + cimg_forX(*this,k) res+=(*this)(k,k); + return res; + } + + //! Return the dot product of the current vector/matrix with the vector/matrix \p img. + template<typename t> + Tfloat dot(const CImg<t>& img) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::dot() : Instance object (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + if (!img) + throw CImgArgumentException("CImg<%s>::trace() : Specified argument (%u,%u,%u,%u,%p) is empty.", + pixel_type(),img.width,img.height,img.depth,img.dim,img.data); + const unsigned long nb = cimg::min(size(),img.size()); + Tfloat res = 0; + for (unsigned long off = 0; off<nb; ++off) res+=(Tfloat)data[off]*(Tfloat)img[off]; + return res; + } + + //! Return the determinant of the image, viewed as a matrix. + Tfloat det() const { + if (is_empty() || width!=height || depth!=1 || dim!=1) + throw CImgInstanceException("CImg<%s>::det() : Instance matrix (%u,%u,%u,%u,%p) is not square or is empty.", + pixel_type(),width,height,depth,dim,data); + switch (width) { + case 1 : return (Tfloat)((*this)(0,0)); + case 2 : return (Tfloat)((*this)(0,0))*(Tfloat)((*this)(1,1)) - (Tfloat)((*this)(0,1))*(Tfloat)((*this)(1,0)); + case 3 : { + const Tfloat + a = (Tfloat)data[0], d = (Tfloat)data[1], g = (Tfloat)data[2], + b = (Tfloat)data[3], e = (Tfloat)data[4], h = (Tfloat)data[5], + c = (Tfloat)data[6], f = (Tfloat)data[7], i = (Tfloat)data[8]; + return i*a*e - a*h*f - i*b*d + b*g*f + c*d*h - c*g*e; + } + default : { + CImg<Tfloat> lu(*this); + CImg<uintT> indx; + bool d; + lu._LU(indx,d); + Tfloat res = d?(Tfloat)1:(Tfloat)-1; + cimg_forX(lu,i) res*=lu(i,i); + return res; + } + } + return 0; + } + + //! Return the norm of the current vector/matrix. \p ntype = norm type (0=L2, 1=L1, -1=Linf). + Tfloat norm(const int norm_type=2) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::norm() : Instance object (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + Tfloat res = 0; + switch (norm_type) { + case -1 : { + cimg_foroff(*this,off) { + const Tfloat tmp = cimg::abs((Tfloat)data[off]); + if (tmp>res) res = tmp; + } + return res; + } break; + case 1 : { + cimg_foroff(*this,off) res+=cimg::abs((Tfloat)data[off]); + return res; + } break; + case 2 : return (Tfloat)cimg_std::sqrt(dot(*this)); break; + default : + throw CImgArgumentException("CImg<%s>::norm() : Incorrect parameter 'norm_type=%d' (correct values are -1,1 or 2).", + pixel_type(),norm_type); + } + return 0; + } + + //! Return a C-string containing the values of the instance image. + CImg<charT> value_string(const char separator=',', const unsigned int max_size=0) const { + if (is_empty()) return CImg<charT>(1,1,1,1,0); + const unsigned int siz = (unsigned int)size(); + CImgList<charT> items; + char item[256] = { 0 }; + const T *ptrs = ptr(); + for (unsigned int off = 0; off<siz-1; ++off) { + cimg_std::sprintf(item,cimg::type<T>::format(),cimg::type<T>::format(*(ptrs++))); + const int l = cimg::strlen(item); + items.insert(CImg<charT>(item,l+1)); + items[items.size-1](l) = separator; + } + cimg_std::sprintf(item,cimg::type<T>::format(),cimg::type<T>::format(*ptrs)); + items.insert(CImg<charT>(item,cimg::strlen(item)+1)); + CImg<ucharT> res = items.get_append('x'); + if (max_size) { res.crop(0,max_size); res(max_size) = 0; } + return res; + } + + //! Display informations about the image on the standard error output. + /** + \param title Name for the considered image (optional). + \param display_stats Compute and display image statistics (optional). + **/ + const CImg<T>& print(const char *title=0, const bool display_stats=true) const { + int xm = 0, ym = 0, zm = 0, vm = 0, xM = 0, yM = 0, zM = 0, vM = 0; + static CImg<doubleT> st; + if (!is_empty() && display_stats) { + st = get_stats(); + xm = (int)st[4]; ym = (int)st[5], zm = (int)st[6], vm = (int)st[7]; + xM = (int)st[8]; yM = (int)st[9], zM = (int)st[10], vM = (int)st[11]; + } + const unsigned long siz = size(), msiz = siz*sizeof(T), siz1 = siz-1; + const unsigned int mdisp = msiz<8*1024?0:(msiz<8*1024*1024?1:2), width1 = width-1; + char ntitle[64] = { 0 }; + if (!title) cimg_std::sprintf(ntitle,"CImg<%s>",pixel_type()); + cimg_std::fprintf(cimg_stdout,"%s: this = %p, size = (%u,%u,%u,%u) [%lu %s], data = (%s*)%p (%s) = [ ", + title?title:ntitle,(void*)this,width,height,depth,dim, + mdisp==0?msiz:(mdisp==1?(msiz>>10):(msiz>>20)), + mdisp==0?"b":(mdisp==1?"Kb":"Mb"), + pixel_type(),(void*)data,is_shared?"shared":"not shared"); + if (!is_empty()) cimg_foroff(*this,off) { + cimg_std::fprintf(cimg_stdout,cimg::type<T>::format(),cimg::type<T>::format(data[off])); + if (off!=siz1) cimg_std::fprintf(cimg_stdout,"%s",off%width==width1?" ; ":" "); + if (off==7 && siz>16) { off = siz1-8; if (off!=7) cimg_std::fprintf(cimg_stdout,"... "); } + } + if (!is_empty() && display_stats) + cimg_std::fprintf(cimg_stdout," ], min = %g, max = %g, mean = %g, std = %g, coords(min) = (%u,%u,%u,%u), coords(max) = (%u,%u,%u,%u).\n", + st[0],st[1],st[2],cimg_std::sqrt(st[3]),xm,ym,zm,vm,xM,yM,zM,vM); + else cimg_std::fprintf(cimg_stdout,"%s].\n",is_empty()?"":" "); + return *this; + } + + //@} + //------------------------------------------ + // + //! \name Arithmetic and Boolean Operators + //@{ + //------------------------------------------ + + //! Assignment operator. + /** + This operator assigns a copy of the input image \p img to the current instance image. + \param img The input image to copy. + \remark + - This operator is strictly equivalent to the function assign(const CImg< t >&) and has exactly the same properties. + **/ + template<typename t> + CImg<T>& operator=(const CImg<t>& img) { + return assign(img); + } + + CImg<T>& operator=(const CImg<T>& img) { + return assign(img); + } + + //! Assign values of a C-array to the instance image. + /** + \param buf Pointer to a C-style array having a size of (at least) <tt>this->size()</tt>. + + - Replace pixel values by the content of the array \c buf. + - Warning : the value types in the array and in the image must be the same. + + \par example: + \code + float tab[4*4] = { 1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16 }; // Define a 4x4 matrix in C-style. + CImg<float> matrice(4,4); // Define a 4x4 greyscale image. + matrice = tab; // Fill the image by the values in tab. + \endcode + **/ + CImg<T>& operator=(const T *buf) { + return assign(buf,width,height,depth,dim); + } + + //! Assign a value to each image pixel of the instance image. + CImg<T>& operator=(const T val) { + return fill(val); + } + + //! Operator+ + /** + \remark + - This operator can be used to get a non-shared copy of an image. + **/ + CImg<T> operator+() const { + return CImg<T>(*this,false); + } + + //! Operator+=; +#ifdef cimg_use_visualcpp6 + CImg<T>& operator+=(const T val) +#else + template<typename t> + CImg<T>& operator+=(const t val) +#endif + { + cimg_for(*this,ptr,T) (*ptr) = (T)((*ptr)+val); + return *this; + } + + //! Operator+= + template<typename t> + CImg<T>& operator+=(const CImg<t>& img) { + if (is_overlapped(img)) return *this+=+img; + const unsigned int smin = cimg::min(size(),img.size()); + t *ptrs = img.data + smin; + for (T *ptrd = data + smin; ptrd>data; --ptrd, (*ptrd)=(T)((*ptrd)+(*(--ptrs)))) {} + return *this; + } + + //! Operator++ (prefix) + CImg<T>& operator++() { + cimg_for(*this,ptr,T) ++(*ptr); + return *this; + } + + //! Operator++ (postfix) + CImg<T> operator++(int) { + const CImg<T> copy(*this,false); + ++*this; + return copy; + } + + //! Operator-. + CImg<T> operator-() const { + return CImg<T>(width,height,depth,dim,0)-=*this; + } + + //! Operator-=. +#ifdef cimg_use_visualcpp6 + CImg<T>& operator-=(const T val) +#else + template<typename t> + CImg<T>& operator-=(const t val) +#endif + { + cimg_for(*this,ptr,T) (*ptr) = (T)((*ptr)-val); + return *this; + } + + //! Operator-=. + template<typename t> + CImg<T>& operator-=(const CImg<t>& img) { + if (is_overlapped(img)) return *this-=+img; + const unsigned int smin = cimg::min(size(),img.size()); + t *ptrs = img.data+smin; + for (T *ptrd = data+smin; ptrd>data; --ptrd, (*ptrd) = (T)((*ptrd)-(*(--ptrs)))) {} + return *this; + } + + //! Operator-- (prefix). + CImg<T>& operator--() { + cimg_for(*this,ptr,T) *ptr = *ptr-(T)1; + return *this; + } + + //! Operator-- (postfix). + CImg<T> operator--(int) { + CImg<T> copy(*this,false); + --*this; + return copy; + } + + //! Operator*=. +#ifdef cimg_use_visualcpp6 + CImg<T>& operator*=(const double val) +#else + template<typename t> + CImg<T>& operator*=(const t val) +#endif + { + cimg_for(*this,ptr,T) (*ptr) = (T)((*ptr)*val); + return *this; + } + + //! Operator*=. + template<typename t> + CImg<T>& operator*=(const CImg<t>& img) { + return ((*this)*img).transfer_to(*this); + } + + //! Operator/=. +#ifdef cimg_use_visualcpp6 + CImg<T>& operator/=(const double val) +#else + template<typename t> + CImg<T>& operator/=(const t val) +#endif + { + cimg_for(*this,ptr,T) (*ptr) = (T)((*ptr)/val); + return *this; + } + + //! Operator/=. + template<typename t> + CImg<T>& operator/=(const CImg<t>& img) { + return assign(*this*img.get_invert()); + } + + //! Modulo. + template<typename t> + CImg<typename cimg::superset<T,t>::type> operator%(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false)%=img; + } + + //! Modulo. + CImg<T> operator%(const T val) const { + return (+*this)%=val; + } + + //! In-place modulo. + CImg<T>& operator%=(const T val) { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg::mod(*ptr,val); + return *this; + } + + //! In-place modulo. + template<typename t> + CImg<T>& operator%=(const CImg<t>& img) { + if (is_overlapped(img)) return *this%=+img; + typedef typename cimg::superset<T,t>::type Tt; + const unsigned int smin = cimg::min(size(),img.size()); + const t *ptrs = img.data + smin; + for (T *ptrd = data + smin; ptrd>data; ) { + T& val = *(--ptrd); + val = (T)cimg::mod((Tt)val,(Tt)*(--ptrs)); + } + return *this; + } + + //! Bitwise AND. + template<typename t> + CImg<typename cimg::superset<T,t>::type> operator&(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false)&=img; + } + + //! Bitwise AND. + CImg<T> operator&(const T val) const { + return (+*this)&=val; + } + + //! In-place bitwise AND. + template<typename t> + CImg<T>& operator&=(const CImg<t>& img) { + if (is_overlapped(img)) return *this&=+img; + const unsigned int smin = cimg::min(size(),img.size()); + const t *ptrs = img.data + smin; + for (T *ptrd = data + smin; ptrd>data; ) { + T& val = *(--ptrd); + val = (T)((unsigned long)val & (unsigned long)*(--ptrs)); + } + return *this; + } + + //! In-place bitwise AND. + CImg<T>& operator&=(const T val) { + cimg_for(*this,ptr,T) *ptr = (T)((unsigned long)*ptr & (unsigned long)val); + return *this; + } + + //! Bitwise OR. + template<typename t> + CImg<typename cimg::superset<T,t>::type> operator|(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false)|=img; + } + + //! Bitwise OR. + CImg<T> operator|(const T val) const { + return (+*this)|=val; + } + + //! In-place bitwise OR. + template<typename t> + CImg<T>& operator|=(const CImg<t>& img) { + if (is_overlapped(img)) return *this|=+img; + const unsigned int smin = cimg::min(size(),img.size()); + const t *ptrs = img.data + smin; + for (T *ptrd = data + smin; ptrd>data; ) { + T& val = *(--ptrd); + val = (T)((unsigned long)val | (unsigned long)*(--ptrs)); + } + return *this; + } + + //! In-place bitwise OR. + CImg<T>& operator|=(const T val) { + cimg_for(*this,ptr,T) *ptr = (T)((unsigned long)*ptr | (unsigned long)val); + return *this; + } + + //! Bitwise XOR. + template<typename t> + CImg<typename cimg::superset<T,t>::type> operator^(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false)^=img; + } + + //! Bitwise XOR. + CImg<T> operator^(const T val) const { + return (+*this)^=val; + } + + //! In-place bitwise XOR. + template<typename t> + CImg<T>& operator^=(const CImg<t>& img) { + if (is_overlapped(img)) return *this^=+img; + const unsigned int smin = cimg::min(size(),img.size()); + const t *ptrs = img.data + smin; + for (T *ptrd = data+smin; ptrd>data; ) { + T& val = *(--ptrd); + val =(T)((unsigned long)val ^ (unsigned long)*(--ptrs)); + } + return *this; + } + + //! In-place bitwise XOR. + CImg<T>& operator^=(const T val) { + cimg_for(*this,ptr,T) *ptr = (T)((unsigned long)*ptr ^ (unsigned long)val); + return *this; + } + + //! Bitwise NOT. + CImg<T> operator~() const { + CImg<T> res(width,height,depth,dim); + const T *ptrs = end(); + cimg_for(res,ptrd,T) { const unsigned long val = (unsigned long)*(--ptrs); *ptrd = (T)~val; } + return res; + } + + //! Bitwise left shift. + CImg<T>& operator<<=(const int n) { + cimg_for(*this,ptr,T) *ptr = (T)(((long)*ptr)<<n); + return *this; + } + + //! Bitwise left shift. + CImg<T> operator<<(const int n) const { + return (+*this)<<=n; + } + + //! Bitwise right shift. + CImg<T>& operator>>=(const int n) { + cimg_for(*this,ptr,T) *ptr = (T)(((long)*ptr)>>n); + return *this; + } + + //! Bitwise right shift. + CImg<T> operator>>(const int n) const { + return (+*this)>>=n; + } + + //! Boolean equality. + template<typename t> + bool operator==(const CImg<t>& img) const { + const unsigned int siz = size(); + bool vequal = true; + if (siz!=img.size()) return false; + t *ptrs = img.data + siz; + for (T *ptrd = data + siz; vequal && ptrd>data; vequal = vequal && ((*(--ptrd))==(*(--ptrs)))) {} + return vequal; + } + + //! Boolean difference. + template<typename t> + bool operator!=(const CImg<t>& img) const { + return !((*this)==img); + } + + //! Return a list of two images { *this, img }. + template<typename t> + CImgList<typename cimg::superset<T,t>::type> operator<<(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImgList<Tt>(*this,img); + } + + //! Return a copy of \p list, where image *this has been inserted at first position. + template<typename t> + CImgList<typename cimg::superset<T,t>::type> operator<<(const CImgList<t>& list) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImgList<Tt>(list).insert(*this,0); + } + + //! Return a list of two images { *this, img }. + template<typename t> + CImgList<typename cimg::superset<T,t>::type> operator>>(const CImg<t>& img) const { + return (*this)<<img; + } + + //! Insert an image into the begining of an image list. + template<typename t> + CImgList<t>& operator>>(const CImgList<t>& list) const { + return list.insert(*this,0); + } + + //! Display an image into a CImgDisplay. + const CImg<T>& operator>>(CImgDisplay& disp) const { + return display(disp); + } + + //@} + //--------------------------------------- + // + //! \name Usual Mathematics Functions + //@{ + //--------------------------------------- + + //! Apply a R->R function on all pixel values. + template<typename t> + CImg<T>& apply(t& func) { + cimg_for(*this,ptr,T) *ptr = func(*ptr); + return *this; + } + + template<typename t> + CImg<T> get_apply(t& func) const { + return (+*this).apply(func); + } + + //! Pointwise multiplication between two images. + template<typename t> + CImg<T>& mul(const CImg<t>& img) { + if (is_overlapped(img)) return mul(+img); + t *ptrs = img.data; + T *ptrf = data + cimg::min(size(),img.size()); + for (T* ptrd = data; ptrd<ptrf; ++ptrd) (*ptrd) = (T)(*ptrd*(*(ptrs++))); + return *this; + } + + template<typename t> + CImg<typename cimg::superset<T,t>::type> get_mul(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false).mul(img); + } + + //! Pointwise division between two images. + template<typename t> + CImg<T>& div(const CImg<t>& img) { + if (is_overlapped(img)) return div(+img); + t *ptrs = img.data; + T *ptrf = data + cimg::min(size(),img.size()); + for (T* ptrd = data; ptrd<ptrf; ++ptrd) (*ptrd) = (T)(*ptrd/(*(ptrs++))); + return *this; + } + + template<typename t> + CImg<typename cimg::superset<T,t>::type> get_div(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false).div(img); + } + + //! Pointwise max operator between two images. + template<typename t> + CImg<T>& max(const CImg<t>& img) { + if (is_overlapped(img)) return max(+img); + t *ptrs = img.data; + T *ptrf = data + cimg::min(size(),img.size()); + for (T* ptrd = data; ptrd<ptrf; ++ptrd) (*ptrd) = cimg::max((T)*(ptrs++),*ptrd); + return *this; + } + + template<typename t> + CImg<typename cimg::superset<T,t>::type> get_max(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false).max(img); + } + + //! Pointwise max operator between an image and a value. + CImg<T>& max(const T val) { + cimg_for(*this,ptr,T) (*ptr) = cimg::max(*ptr,val); + return *this; + } + + CImg<T> get_max(const T val) const { + return (+*this).max(val); + } + + //! Pointwise min operator between two images. + template<typename t> + CImg<T>& min(const CImg<t>& img) { + if (is_overlapped(img)) return min(+img); + t *ptrs = img.data; + T *ptrf = data + cimg::min(size(),img.size()); + for (T* ptrd = data; ptrd<ptrf; ++ptrd) (*ptrd) = cimg::min((T)*(ptrs++),*ptrd); + return *this; + } + + template<typename t> + CImg<typename cimg::superset<T,t>::type> get_min(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this,false).min(img); + } + + //! Pointwise min operator between an image and a value. + CImg<T>& min(const T val) { + cimg_for(*this,ptr,T) (*ptr) = cimg::min(*ptr,val); + return *this; + } + + CImg<T> get_min(const T val) const { + return (+*this).min(val); + } + + //! Compute the square value of each pixel. + CImg<T>& sqr() { + cimg_for(*this,ptr,T) { const T val = *ptr; *ptr = (T)(val*val); }; + return *this; + } + + CImg<Tfloat> get_sqr() const { + return CImg<Tfloat>(*this,false).sqr(); + } + + //! Compute the square root of each pixel value. + CImg<T>& sqrt() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::sqrt((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_sqrt() const { + return CImg<Tfloat>(*this,false).sqrt(); + } + + //! Compute the exponential of each pixel value. + CImg<T>& exp() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::exp((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_exp() const { + return CImg<Tfloat>(*this,false).exp(); + } + + //! Compute the log of each each pixel value. + CImg<T>& log() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::log((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_log() const { + return CImg<Tfloat>(*this,false).log(); + } + + //! Compute the log10 of each each pixel value. + CImg<T>& log10() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::log10((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_log10() const { + return CImg<Tfloat>(*this,false).log10(); + } + + //! Compute the power by p of each pixel value. + CImg<T>& pow(const double p) { + if (p==0) return fill(1); + if (p==0.5) { cimg_for(*this,ptr,T) { const T val = *ptr; *ptr = (T)cimg_std::sqrt((double)val); } return *this; } + if (p==1) return *this; + if (p==2) { cimg_for(*this,ptr,T) { const T val = *ptr; *ptr = val*val; } return *this; } + if (p==3) { cimg_for(*this,ptr,T) { const T val = *ptr; *ptr = val*val*val; } return *this; } + if (p==4) { cimg_for(*this,ptr,T) { const T val = *ptr; *ptr = val*val*val*val; } return *this; } + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::pow((double)(*ptr),p); + return *this; + } + + CImg<Tfloat> get_pow(const double p) const { + return CImg<Tfloat>(*this,false).pow(p); + } + + //! Compute the power of each pixel value. + template<typename t> + CImg<T>& pow(const CImg<t>& img) { + if (is_overlapped(img)) return pow(+img); + t *ptrs = img.data; + T *ptrf = data + cimg::min(size(),img.size()); + for (T* ptrd = data; ptrd<ptrf; ++ptrd) (*ptrd) = (T)cimg_std::pow((double)*ptrd,(double)(*(ptrs++))); + return *this; + } + + template<typename t> + CImg<Tfloat> get_pow(const CImg<t>& img) const { + return CImg<Tfloat>(*this,false).pow(img); + } + + //! Compute the absolute value of each pixel value. + CImg<T>& abs() { + cimg_for(*this,ptr,T) (*ptr) = cimg::abs(*ptr); + return *this; + } + + CImg<Tfloat> get_abs() const { + return CImg<Tfloat>(*this,false).abs(); + } + + //! Compute the cosinus of each pixel value. + CImg<T>& cos() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::cos((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_cos() const { + return CImg<Tfloat>(*this,false).cos(); + } + + //! Compute the sinus of each pixel value. + CImg<T>& sin() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::sin((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_sin() const { + return CImg<Tfloat>(*this,false).sin(); + } + + //! Compute the tangent of each pixel. + CImg<T>& tan() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::tan((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_tan() const { + return CImg<Tfloat>(*this,false).tan(); + } + + //! Compute the arc-cosine of each pixel value. + CImg<T>& acos() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::acos((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_acos() const { + return CImg<Tfloat>(*this,false).acos(); + } + + //! Compute the arc-sinus of each pixel value. + CImg<T>& asin() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::asin((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_asin() const { + return CImg<Tfloat>(*this,false).asin(); + } + + //! Compute the arc-tangent of each pixel. + CImg<T>& atan() { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg_std::atan((double)(*ptr)); + return *this; + } + + CImg<Tfloat> get_atan() const { + return CImg<Tfloat>(*this,false).atan(); + } + + //! Compute image with rounded pixel values. + /** + \param x Rounding precision. + \param rounding_type Roundin type, can be 0 (nearest), 1 (forward), -1(backward). + **/ + CImg<T>& round(const float x, const int rounding_type=0) { + cimg_for(*this,ptr,T) (*ptr) = (T)cimg::round(*ptr,x,rounding_type); + return *this; + } + + CImg<T> get_round(const float x, const unsigned int rounding_type=0) const { + return (+*this).round(x,rounding_type); + } + + //! Fill the instance image with random values between specified range. + CImg<T>& rand(const T val_min, const T val_max) { + const float delta = (float)val_max - (float)val_min; + cimg_for(*this,ptr,T) *ptr = (T)(val_min + cimg::rand()*delta); + return *this; + } + + CImg<T> get_rand(const T val_min, const T val_max) const { + return (+*this).rand(val_min,val_max); + } + + //@} + //----------------------------------- + // + //! \name Usual Image Transformations + //@{ + //----------------------------------- + + //! Fill an image by a value \p val. + /** + \param val = fill value + \note All pixel values of the instance image will be initialized by \p val. + **/ + CImg<T>& fill(const T val) { + if (is_empty()) return *this; + if (val && sizeof(T)!=1) cimg_for(*this,ptr,T) *ptr = val; + else cimg_std::memset(data,(int)val,size()*sizeof(T)); + return *this; + } + + CImg<T> get_fill(const T val) const { + return CImg<T>(width,height,depth,dim).fill(val); + } + + //! Fill sequentially all pixel values with values \a val0 and \a val1 respectively. + CImg<T>& fill(const T val0, const T val1) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-1; + for (ptr = data; ptr<ptr_end; ) { *(ptr++) = val0; *(ptr++) = val1; } + if (ptr!=ptr_end+1) *(ptr++) = val0; + return *this; + } + + CImg<T> get_fill(const T val0, const T val1) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1); + } + + //! Fill sequentially all pixel values with values \a val0 and \a val1 and \a val2. + CImg<T>& fill(const T val0, const T val1, const T val2) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-2; + for (ptr = data; ptr<ptr_end; ) { *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; } + ptr_end+=2; + switch (ptr_end-ptr) { + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2); + } + + //! Fill sequentially all pixel values with values \a val0 and \a val1 and \a val2 and \a val3. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-3; + for (ptr = data; ptr<ptr_end; ) { *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; } + ptr_end+=3; + switch (ptr_end-ptr) { + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3); + } + + //! Fill sequentially all pixel values with values \a val0 and \a val1 and \a val2 and \a val3 and \a val4. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-4; + for (ptr = data; ptr<ptr_end; ) { *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; } + ptr_end+=4; + switch (ptr_end-ptr) { + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4); + } + + //! Fill sequentially all pixel values with values \a val0 and \a val1 and \a val2 and \a val3 and \a val4 and \a val5. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-5; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; + } + ptr_end+=5; + switch (ptr_end-ptr) { + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-6; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; *(ptr++) = val6; + } + ptr_end+=6; + switch (ptr_end-ptr) { + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-7; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; + *(ptr++) = val4; *(ptr++) = val5; *(ptr++) = val6; *(ptr++) = val7; + } + ptr_end+=7; + switch (ptr_end-ptr) { + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-8; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; + *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; + *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; + } + ptr_end+=8; + switch (ptr_end-ptr) { + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-9; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; + *(ptr++) = val5; *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; *(ptr++) = val9; + } + ptr_end+=9; + switch (ptr_end-ptr) { + case 9 : *(--ptr_end) = val8; + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-10; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; + *(ptr++) = val5; *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; *(ptr++) = val9; + *(ptr++) = val10; + } + ptr_end+=10; + switch (ptr_end-ptr) { + case 10 : *(--ptr_end) = val9; + case 9 : *(--ptr_end) = val8; + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-11; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; + *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; *(ptr++) = val9; *(ptr++) = val10; *(ptr++) = val11; + } + ptr_end+=11; + switch (ptr_end-ptr) { + case 11 : *(--ptr_end) = val10; + case 10 : *(--ptr_end) = val9; + case 9 : *(--ptr_end) = val8; + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10,val11); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-12; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; + *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; *(ptr++) = val9; *(ptr++) = val10; *(ptr++) = val11; + *(ptr++) = val12; + } + ptr_end+=12; + switch (ptr_end-ptr) { + case 12 : *(--ptr_end) = val11; + case 11 : *(--ptr_end) = val10; + case 10 : *(--ptr_end) = val9; + case 9 : *(--ptr_end) = val8; + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10,val11,val12); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12, + const T val13) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-13; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; + *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; *(ptr++) = val9; *(ptr++) = val10; *(ptr++) = val11; + *(ptr++) = val12; *(ptr++) = val13; + } + ptr_end+=13; + switch (ptr_end-ptr) { + case 13 : *(--ptr_end) = val12; + case 12 : *(--ptr_end) = val11; + case 11 : *(--ptr_end) = val10; + case 10 : *(--ptr_end) = val9; + case 9 : *(--ptr_end) = val8; + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12, + const T val13) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10,val11,val12, + val13); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12, + const T val13, const T val14) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-14; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; + *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; *(ptr++) = val9; *(ptr++) = val10; *(ptr++) = val11; + *(ptr++) = val12; *(ptr++) = val13; *(ptr++) = val14; + } + ptr_end+=14; + switch (ptr_end-ptr) { + case 14 : *(--ptr_end) = val13; + case 13 : *(--ptr_end) = val12; + case 12 : *(--ptr_end) = val11; + case 11 : *(--ptr_end) = val10; + case 10 : *(--ptr_end) = val9; + case 9 : *(--ptr_end) = val8; + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12, + const T val13, const T val14) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10,val11,val12, + val13,val14); + } + + //! Fill sequentially pixel values. + CImg<T>& fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12, + const T val13, const T val14, const T val15) { + if (is_empty()) return *this; + T *ptr, *ptr_end = end()-15; + for (ptr = data; ptr<ptr_end; ) { + *(ptr++) = val0; *(ptr++) = val1; *(ptr++) = val2; *(ptr++) = val3; *(ptr++) = val4; *(ptr++) = val5; + *(ptr++) = val6; *(ptr++) = val7; *(ptr++) = val8; *(ptr++) = val9; *(ptr++) = val10; *(ptr++) = val11; + *(ptr++) = val12; *(ptr++) = val13; *(ptr++) = val14; *(ptr++) = val15; + } + ptr_end+=15; + switch (ptr_end-ptr) { + case 15 : *(--ptr_end) = val14; + case 14 : *(--ptr_end) = val13; + case 13 : *(--ptr_end) = val12; + case 12 : *(--ptr_end) = val11; + case 11 : *(--ptr_end) = val10; + case 10 : *(--ptr_end) = val9; + case 9 : *(--ptr_end) = val8; + case 8 : *(--ptr_end) = val7; + case 7 : *(--ptr_end) = val6; + case 6 : *(--ptr_end) = val5; + case 5 : *(--ptr_end) = val4; + case 4 : *(--ptr_end) = val3; + case 3 : *(--ptr_end) = val2; + case 2 : *(--ptr_end) = val1; + case 1 : *(--ptr_end) = val0; + } + return *this; + } + + CImg<T> get_fill(const T val0, const T val1, const T val2, const T val3, const T val4, const T val5, const T val6, + const T val7, const T val8, const T val9, const T val10, const T val11, const T val12, + const T val13, const T val14, const T val15) const { + return CImg<T>(width,height,depth,dim).fill(val0,val1,val2,val3,val4,val5,val6,val7,val8,val9,val10,val11,val12, + val13,val14,val15); + } + + //! Fill image values according to the values found in the specified string. + CImg<T>& fill(const char *const values, const bool repeat_pattern) { + if (is_empty() || !values) return *this; + T *ptrd = data, *ptr_end = data + size(); + const char *nvalues = values; + const unsigned int siz = size(); + char cval[64] = { 0 }, sep = 0; + int err = 0; double val = 0; unsigned int nb = 0; + while ((err=cimg_std::sscanf(nvalues,"%63[ \n\t0-9e.+-]%c",cval,&sep))>0 && + cimg_std::sscanf(cval,"%lf",&val)>0 && nb<siz) { + nvalues += cimg::strlen(cval); + *(ptrd++) = (T)val; + ++nb; + if (err!=2) break; else ++nvalues; + } + if (repeat_pattern && nb) for (T *ptrs = data; ptrd<ptr_end; ++ptrs) *(ptrd++) = *ptrs; + return *this; + } + + CImg<T> get_fill(const char *const values, const bool repeat_pattern) const { + return repeat_pattern?CImg<T>(width,height,depth,dim).fill(values,repeat_pattern):(+*this).fill(values,repeat_pattern); + } + + //! Fill image values according to the values found in the specified image. + template<typename t> + CImg<T>& fill(const CImg<t>& values, const bool repeat_pattern=true) { + if (is_empty() || !values) return *this; + T *ptrd = data, *ptrd_end = ptrd + size(); + for (t *ptrs = values.data, *ptrs_end = ptrs + values.size(); ptrs<ptrs_end && ptrd<ptrd_end; ++ptrs) *(ptrd++) = (T)*ptrs; + if (repeat_pattern && ptrd<ptrd_end) for (T *ptrs = data; ptrd<ptrd_end; ++ptrs) *(ptrd++) = *ptrs; + return *this; + } + + template<typename t> + CImg<T> get_fill(const CImg<t>& values, const bool repeat_pattern=true) const { + return repeat_pattern?CImg<T>(width,height,depth,dim).fill(values,repeat_pattern):(+*this).fill(values,repeat_pattern); + } + + //! Fill image values along the X-axis at the specified pixel position (y,z,v). + CImg<T>& fillX(const unsigned int y, const unsigned int z, const unsigned int v, const int a0, ...) { +#define _cimg_fill1(x,y,z,v,off,siz,t) { \ + va_list ap; va_start(ap,a0); T *ptrd = ptr(x,y,z,v); *ptrd = (T)a0; \ + for (unsigned int k = 1; k<siz; ++k) { ptrd+=off; *ptrd = (T)va_arg(ap,t); } \ + va_end(ap); } + if (y<height && z<depth && v<dim) _cimg_fill1(0,y,z,v,1,width,int); + return *this; + } + + CImg<T>& fillX(const unsigned int y, const unsigned int z, const unsigned int v, const double a0, ...) { + if (y<height && z<depth && v<dim) _cimg_fill1(0,y,z,v,1,width,double); + return *this; + } + + //! Fill image values along the Y-axis at the specified pixel position (x,z,v). + CImg<T>& fillY(const unsigned int x, const unsigned int z, const unsigned int v, const int a0, ...) { + if (x<width && z<depth && v<dim) _cimg_fill1(x,0,z,v,width,height,int); + return *this; + } + + CImg<T>& fillY(const unsigned int x, const unsigned int z, const unsigned int v, const double a0, ...) { + if (x<width && z<depth && v<dim) _cimg_fill1(x,0,z,v,width,height,double); + return *this; + } + + //! Fill image values along the Z-axis at the specified pixel position (x,y,v). + CImg<T>& fillZ(const unsigned int x, const unsigned int y, const unsigned int v, const int a0, ...) { + const unsigned int wh = width*height; + if (x<width && y<height && v<dim) _cimg_fill1(x,y,0,v,wh,depth,int); + return *this; + } + + CImg<T>& fillZ(const unsigned int x, const unsigned int y, const unsigned int v, const double a0, ...) { + const unsigned int wh = width*height; + if (x<width && y<height && v<dim) _cimg_fill1(x,y,0,v,wh,depth,double); + return *this; + } + + //! Fill image values along the V-axis at the specified pixel position (x,y,z). + CImg<T>& fillV(const unsigned int x, const unsigned int y, const unsigned int z, const int a0, ...) { + const unsigned int whz = width*height*depth; + if (x<width && y<height && z<depth) _cimg_fill1(x,y,z,0,whz,dim,int); + return *this; + } + + CImg<T>& fillV(const unsigned int x, const unsigned int y, const unsigned int z, const double a0, ...) { + const unsigned int whz = width*height*depth; + if (x<width && y<height && z<depth) _cimg_fill1(x,y,z,0,whz,dim,double); + return *this; + } + + //! Linear normalization of the pixel values between \a a and \a b. + CImg<T>& normalize(const T a, const T b) { + if (is_empty()) return *this; + const T na = a<b?a:b, nb = a<b?b:a; + T m, M = maxmin(m); + const Tfloat fm = (Tfloat)m, fM = (Tfloat)M; + if (m==M) return fill(0); + if (m!=na || M!=nb) cimg_for(*this,ptr,T) *ptr = (T)((*ptr-fm)/(fM-fm)*(nb-na)+na); + return *this; + } + + CImg<T> get_normalize(const T a, const T b) const { + return (+*this).normalize(a,b); + } + + //! Cut pixel values between \a a and \a b. + CImg<T>& cut(const T a, const T b) { + if (is_empty()) return *this; + const T na = a<b?a:b, nb = a<b?b:a; + cimg_for(*this,ptr,T) *ptr = (*ptr<na)?na:((*ptr>nb)?nb:*ptr); + return *this; + } + + CImg<T> get_cut(const T a, const T b) const { + return (+*this).cut(a,b); + } + + //! Quantize pixel values into \n levels. + CImg<T>& quantize(const unsigned int n, const bool keep_range=true) { + if (is_empty()) return *this; + if (!n) + throw CImgArgumentException("CImg<%s>::quantize() : Cannot quantize image to 0 values.", + pixel_type()); + Tfloat m, M = (Tfloat)maxmin(m), range = M - m; + if (range>0) { + if (keep_range) cimg_for(*this,ptr,T) { + const unsigned int val = (unsigned int)((*ptr-m)*n/range); + *ptr = (T)(m + cimg::min(val,n-1)*range/n); + } else cimg_for(*this,ptr,T) { + const unsigned int val = (unsigned int)((*ptr-m)*n/range); + *ptr = (T)cimg::min(val,n-1); + } + } + return *this; + } + + CImg<T> get_quantize(const unsigned int n, const bool keep_range=true) const { + return (+*this).quantize(n,keep_range); + } + + //! Threshold the image. + /** + \param value Threshold value. + \param soft Enable soft thresholding. + \param strict Tells if the threshold is strict. + **/ + CImg<T>& threshold(const T value, const bool soft=false, const bool strict=false) { + if (is_empty()) return *this; + if (strict) { + if (soft) cimg_for(*this,ptr,T) { const T v = *ptr; *ptr = v>value?(T)(v-value):v<-value?(T)(v+value):(T)0; } + else cimg_for(*this,ptr,T) *ptr = *ptr>value?(T)1:(T)0; + } else { + if (soft) cimg_for(*this,ptr,T) { const T v = *ptr; *ptr = v>=value?(T)(v-value):v<=-value?(T)(v+value):(T)0; } + else cimg_for(*this,ptr,T) *ptr = *ptr>=value?(T)1:(T)0; + } + return *this; + } + + CImg<T> get_threshold(const T value, const bool soft=false, const bool strict=false) const { + return (+*this).threshold(value,soft,strict); + } + + //! Rotate an image. + /** + \param angle = rotation angle (in degrees). + \param cond = rotation type. can be : + - 0 = zero-value at borders + - 1 = nearest pixel. + - 2 = Fourier style. + \note Returned image will probably have a different size than the instance image *this. + **/ + CImg<T>& rotate(const float angle, const unsigned int border_conditions=3, const unsigned int interpolation=1) { + return get_rotate(angle,border_conditions,interpolation).transfer_to(*this); + } + + CImg<T> get_rotate(const float angle, const unsigned int border_conditions=3, const unsigned int interpolation=1) const { + if (is_empty()) return *this; + CImg<T> dest; + const float nangle = cimg::mod(angle,360.0f); + if (border_conditions!=1 && cimg::mod(nangle,90.0f)==0) { // optimized version for orthogonal angles + const int wm1 = dimx()-1, hm1 = dimy()-1; + const int iangle = (int)nangle/90; + switch (iangle) { + case 1 : { + dest.assign(height,width,depth,dim); + cimg_forXYZV(dest,x,y,z,v) dest(x,y,z,v) = (*this)(y,hm1-x,z,v); + } break; + case 2 : { + dest.assign(width,height,depth,dim); + cimg_forXYZV(dest,x,y,z,v) dest(x,y,z,v) = (*this)(wm1-x,hm1-y,z,v); + } break; + case 3 : { + dest.assign(height,width,depth,dim); + cimg_forXYZV(dest,x,y,z,v) dest(x,y,z,v) = (*this)(wm1-y,x,z,v); + } break; + default : + return *this; + } + } else { // generic version + const float + rad = (float)(nangle*cimg::valuePI/180.0), + ca = (float)cimg_std::cos(rad), + sa = (float)cimg_std::sin(rad), + ux = cimg::abs(width*ca), uy = cimg::abs(width*sa), + vx = cimg::abs(height*sa), vy = cimg::abs(height*ca), + w2 = 0.5f*width, h2 = 0.5f*height, + dw2 = 0.5f*(ux+vx), dh2 = 0.5f*(uy+vy); + dest.assign((int)(ux+vx), (int)(uy+vy),depth,dim); + switch (border_conditions) { + case 0 : { + switch (interpolation) { + case 2 : { + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)cubic_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,v,0); + } break; + case 1 : { + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)linear_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,v,0); + } break; + default : { + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = atXY((int)(w2 + (x-dw2)*ca + (y-dh2)*sa),(int)(h2 - (x-dw2)*sa + (y-dh2)*ca),z,v,0); + } + } + } break; + case 1 : { + switch (interpolation) { + case 2 : + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)cubic_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,v); + break; + case 1 : + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)linear_atXY(w2 + (x-dw2)*ca + (y-dh2)*sa,h2 - (x-dw2)*sa + (y-dh2)*ca,z,v); + break; + default : + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = atXY((int)(w2 + (x-dw2)*ca + (y-dh2)*sa),(int)(h2 - (x-dw2)*sa + (y-dh2)*ca),z,v); + } + } break; + case 2 : { + switch (interpolation) { + case 2 : + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)cubic_atXY(cimg::mod(w2 + (x-dw2)*ca + (y-dh2)*sa,(float)dimx()), + cimg::mod(h2 - (x-dw2)*sa + (y-dh2)*ca,(float)dimy()),z,v); + break; + case 1 : + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)linear_atXY(cimg::mod(w2 + (x-dw2)*ca + (y-dh2)*sa,(float)dimx()), + cimg::mod(h2 - (x-dw2)*sa + (y-dh2)*ca,(float)dimy()),z,v); + break; + default : + cimg_forXY(dest,x,y) cimg_forZV(*this,z,v) + dest(x,y,z,v) = (*this)(cimg::mod((int)(w2 + (x-dw2)*ca + (y-dh2)*sa),dimx()), + cimg::mod((int)(h2 - (x-dw2)*sa + (y-dh2)*ca),dimy()),z,v); + } + } break; + default : + throw CImgArgumentException("CImg<%s>::get_rotate() : Invalid border conditions %d (should be 0,1 or 2).", + pixel_type(),border_conditions); + } + } + return dest; + } + + //! Rotate an image around a center point (\c cx,\c cy). + /** + \param angle = rotation angle (in degrees). + \param cx = X-coordinate of the rotation center. + \param cy = Y-coordinate of the rotation center. + \param zoom = zoom. + \param cond = rotation type. can be : + - 0 = zero-value at borders + - 1 = repeat image at borders + - 2 = zero-value at borders and linear interpolation + **/ + CImg<T>& rotate(const float angle, const float cx, const float cy, const float zoom, + const unsigned int border_conditions=3, const unsigned int interpolation=1) { + return get_rotate(angle,cx,cy,zoom,border_conditions,interpolation).transfer_to(*this); + } + + CImg<T> get_rotate(const float angle, const float cx, const float cy, const float zoom, + const unsigned int border_conditions=3, const unsigned int interpolation=1) const { + if (interpolation>2) + throw CImgArgumentException("CImg<%s>::get_rotate() : Invalid interpolation parameter %d (should be {0=none, 1=linear or 2=cubic}).", + pixel_type(),interpolation); + if (is_empty()) return *this; + CImg<T> dest(width,height,depth,dim); + const float nangle = cimg::mod(angle,360.0f); + if (border_conditions!=1 && zoom==1 && cimg::mod(nangle,90.0f)==0) { // optimized version for orthogonal angles + const int iangle = (int)nangle/90; + switch (iangle) { + case 1 : { + dest.fill(0); + const unsigned int + xmin = cimg::max(0,(dimx()-dimy())/2), xmax = cimg::min(width,xmin+height), + ymin = cimg::max(0,(dimy()-dimx())/2), ymax = cimg::min(height,ymin+width), + xoff = xmin + cimg::min(0,(dimx()-dimy())/2), + yoff = ymin + cimg::min(0,(dimy()-dimx())/2); + cimg_forZV(dest,z,v) for (unsigned int y = ymin; y<ymax; ++y) for (unsigned int x = xmin; x<xmax; ++x) + dest(x,y,z,v) = (*this)(y-yoff,height-1-x+xoff,z,v); + } break; + case 2 : { + cimg_forXYZV(dest,x,y,z,v) dest(x,y,z,v) = (*this)(width-1-x,height-1-y,z,v); + } break; + case 3 : { + dest.fill(0); + const unsigned int + xmin = cimg::max(0,(dimx()-dimy())/2), xmax = cimg::min(width,xmin+height), + ymin = cimg::max(0,(dimy()-dimx())/2), ymax = cimg::min(height,ymin+width), + xoff = xmin + cimg::min(0,(dimx()-dimy())/2), + yoff = ymin + cimg::min(0,(dimy()-dimx())/2); + cimg_forZV(dest,z,v) for (unsigned int y = ymin; y<ymax; ++y) for (unsigned int x = xmin; x<xmax; ++x) + dest(x,y,z,v) = (*this)(width-1-y+yoff,x-xoff,z,v); + } break; + default : + return *this; + } + } else { + const float + rad = (float)((nangle*cimg::valuePI)/180.0), + ca = (float)cimg_std::cos(rad)/zoom, + sa = (float)cimg_std::sin(rad)/zoom; + switch (border_conditions) { // generic version + case 0 : { + switch (interpolation) { + case 2 : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)cubic_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,v,0); + } break; + case 1 : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)linear_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,v,0); + } break; + default : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = atXY((int)(cx + (x-cx)*ca + (y-cy)*sa),(int)(cy - (x-cx)*sa + (y-cy)*ca),z,v,0); + } + } + } break; + case 1 : { + switch (interpolation) { + case 2 : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)cubic_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,v); + } break; + case 1 : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)linear_atXY(cx + (x-cx)*ca + (y-cy)*sa,cy - (x-cx)*sa + (y-cy)*ca,z,v); + } break; + default : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = atXY((int)(cx + (x-cx)*ca + (y-cy)*sa),(int)(cy - (x-cx)*sa + (y-cy)*ca),z,v); + } + } + } break; + case 2 : { + switch (interpolation) { + case 2 : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)cubic_atXY(cimg::mod(cx + (x-cx)*ca + (y-cy)*sa,(float)dimx()), + cimg::mod(cy - (x-cx)*sa + (y-cy)*ca,(float)dimy()),z,v); + } break; + case 1 : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = (T)linear_atXY(cimg::mod(cx + (x-cx)*ca + (y-cy)*sa,(float)dimx()), + cimg::mod(cy - (x-cx)*sa + (y-cy)*ca,(float)dimy()),z,v); + } break; + default : { + cimg_forXY(dest,x,y) + cimg_forZV(*this,z,v) + dest(x,y,z,v) = (*this)(cimg::mod((int)(cx + (x-cx)*ca + (y-cy)*sa),dimx()), + cimg::mod((int)(cy - (x-cx)*sa + (y-cy)*ca),dimy()),z,v); + } + } + } break; + default : + throw CImgArgumentException("CImg<%s>::get_rotate() : Incorrect border conditions %d (should be 0,1 or 2).", + pixel_type(),border_conditions); + } + } + return dest; + } + + //! Resize an image. + /** + \param pdx Number of columns (new size along the X-axis). + \param pdy Number of rows (new size along the Y-axis). + \param pdz Number of slices (new size along the Z-axis). + \param pdv Number of vector-channels (new size along the V-axis). + \param interpolation_type Method of interpolation : + - -1 = no interpolation : raw memory resizing. + - 0 = no interpolation : additional space is filled according to \p border_condition. + - 1 = bloc interpolation (nearest point). + - 2 = moving average interpolation. + - 3 = linear interpolation. + - 4 = grid interpolation. + - 5 = bi-cubic interpolation. + \param border_condition Border condition type. + \param center Set centering type (only if \p interpolation_type=0). + \note If pd[x,y,z,v]<0, it corresponds to a percentage of the original size (the default value is -100). + **/ + CImg<T>& resize(const int pdx, const int pdy=-100, const int pdz=-100, const int pdv=-100, + const int interpolation_type=1, const int border_condition=-1, const bool center=false) { + if (!pdx || !pdy || !pdz || !pdv) return assign(); + const unsigned int + tdx = pdx<0?-pdx*width/100:pdx, + tdy = pdy<0?-pdy*height/100:pdy, + tdz = pdz<0?-pdz*depth/100:pdz, + tdv = pdv<0?-pdv*dim/100:pdv, + dx = tdx?tdx:1, + dy = tdy?tdy:1, + dz = tdz?tdz:1, + dv = tdv?tdv:1; + if (width==dx && height==dy && depth==dz && dim==dv) return *this; + if (interpolation_type==-1 && dx*dy*dz*dv==size()) { + width = dx; height = dy; depth = dz; dim = dv; + return *this; + } + return get_resize(dx,dy,dz,dv,interpolation_type,border_condition,center).transfer_to(*this); + } + + CImg<T> get_resize(const int pdx, const int pdy=-100, const int pdz=-100, const int pdv=-100, + const int interpolation_type=1, const int border_condition=-1, const bool center=false) const { + if (!pdx || !pdy || !pdz || !pdv) return CImg<T>(); + const unsigned int + tdx = pdx<0?-pdx*width/100:pdx, + tdy = pdy<0?-pdy*height/100:pdy, + tdz = pdz<0?-pdz*depth/100:pdz, + tdv = pdv<0?-pdv*dim/100:pdv, + dx = tdx?tdx:1, + dy = tdy?tdy:1, + dz = tdz?tdz:1, + dv = tdv?tdv:1; + if (width==dx && height==dy && depth==dz && dim==dv) return +*this; + if (is_empty()) return CImg<T>(dx,dy,dz,dv,0); + + CImg<T> res; + + switch (interpolation_type) { + case -1 : // Raw resizing + cimg_std::memcpy(res.assign(dx,dy,dz,dv,0).data,data,sizeof(T)*cimg::min(size(),(long unsigned int)dx*dy*dz*dv)); + break; + + case 0 : { // No interpolation + const unsigned int bx = width-1, by = height-1, bz = depth-1, bv = dim-1; + res.assign(dx,dy,dz,dv); + switch (border_condition) { + case 1 : { + if (center) { + const int + x0 = (res.dimx()-dimx())/2, + y0 = (res.dimy()-dimy())/2, + z0 = (res.dimz()-dimz())/2, + v0 = (res.dimv()-dimv())/2, + x1 = x0 + (int)bx, + y1 = y0 + (int)by, + z1 = z0 + (int)bz, + v1 = v0 + (int)bv; + res.draw_image(x0,y0,z0,v0,*this); + cimg_for_outXYZV(res,x0,y0,z0,v0,x1,y1,z1,v1,x,y,z,v) res(x,y,z,v) = _atXYZV(x-x0,y-y0,z-z0,v-v0); + } else { + res.draw_image(*this); + cimg_for_outXYZV(res,0,0,0,0,bx,by,bz,bv,x,y,z,v) res(x,y,z,v) = _atXYZV(x,y,z,v); + } + } break; + case 2 : { + int nx0 = 0, ny0 = 0, nz0 = 0, nv0 = 0; + if (center) { + const int + x0 = (res.dimx()-dimx())/2, + y0 = (res.dimy()-dimy())/2, + z0 = (res.dimz()-dimz())/2, + v0 = (res.dimv()-dimv())/2; + nx0 = x0>0?x0-(1+x0/width)*width:x0; + ny0 = y0>0?y0-(1+y0/height)*height:y0; + nz0 = z0>0?z0-(1+z0/depth)*depth:z0; + nv0 = v0>0?v0-(1+v0/dim)*dim:v0; + } + for (int k = nv0; k<(int)dv; k+=dimv()) + for (int z = nz0; z<(int)dz; z+=dimz()) + for (int y = ny0; y<(int)dy; y+=dimy()) + for (int x = nx0; x<(int)dx; x+=dimx()) res.draw_image(x,y,z,k,*this); + } break; + default : { + res.fill(0); + if (center) res.draw_image((res.dimx()-dimx())/2,(res.dimy()-dimy())/2,(res.dimz()-dimz())/2,(res.dimv()-dimv())/2,*this); + else res.draw_image(*this); + } + } + } break; + + case 1 : { // Nearest-neighbor interpolation + res.assign(dx,dy,dz,dv); + unsigned int + *const offx = new unsigned int[dx], + *const offy = new unsigned int[dy+1], + *const offz = new unsigned int[dz+1], + *const offv = new unsigned int[dv+1], + *poffx, *poffy, *poffz, *poffv, + curr, old; + const unsigned int wh = width*height, whd = width*height*depth, rwh = dx*dy, rwhd = dx*dy*dz; + poffx = offx; curr = 0; { cimg_forX(res,x) { old=curr; curr=(x+1)*width/dx; *(poffx++) = (unsigned int)curr-(unsigned int)old; }} + poffy = offy; curr = 0; { cimg_forY(res,y) { old=curr; curr=(y+1)*height/dy; *(poffy++) = width*((unsigned int)curr-(unsigned int)old); }} *poffy=0; + poffz = offz; curr = 0; { cimg_forZ(res,z) { old=curr; curr=(z+1)*depth/dz; *(poffz++) = wh*((unsigned int)curr-(unsigned int)old); }} *poffz=0; + poffv = offv; curr = 0; { cimg_forV(res,k) { old=curr; curr=(k+1)*dim/dv; *(poffv++) = whd*((unsigned int)curr-(unsigned int)old); }} *poffv=0; + T *ptrd = res.data; + const T* ptrv = data; + poffv = offv; + for (unsigned int k=0; k<dv; ) { + const T *ptrz = ptrv; + poffz = offz; + for (unsigned int z=0; z<dz; ) { + const T *ptry = ptrz; + poffy = offy; + for (unsigned int y=0; y<dy; ) { + const T *ptrx = ptry; + poffx = offx; + cimg_forX(res,x) { *(ptrd++) = *ptrx; ptrx+=*(poffx++); } + ++y; + unsigned int dy = *(poffy++); + for (;!dy && y<dy; cimg_std::memcpy(ptrd, ptrd-dx, sizeof(T)*dx), ++y, ptrd+=dx, dy=*(poffy++)) {} + ptry+=dy; + } + ++z; + unsigned int dz = *(poffz++); + for (;!dz && z<dz; cimg_std::memcpy(ptrd, ptrd-rwh, sizeof(T)*rwh), ++z, ptrd+=rwh, dz=*(poffz++)) {} + ptrz+=dz; + } + ++k; + unsigned int dv = *(poffv++); + for (;!dv && k<dv; cimg_std::memcpy(ptrd, ptrd-rwhd, sizeof(T)*rwhd), ++k, ptrd+=rwhd, dv=*(poffv++)) {} + ptrv+=dv; + } + delete[] offx; delete[] offy; delete[] offz; delete[] offv; + } break; + + case 2 : { // Moving average + bool instance_first = true; + if (dx!=width) { + CImg<Tfloat> tmp(dx,height,depth,dim,0); + for (unsigned int a = width*dx, b = width, c = dx, s = 0, t = 0; a; ) { + const unsigned int d = cimg::min(b,c); + a-=d; b-=d; c-=d; + cimg_forYZV(tmp,y,z,v) tmp(t,y,z,v)+=(Tfloat)(*this)(s,y,z,v)*d; + if (!b) { cimg_forYZV(tmp,y,z,v) tmp(t,y,z,v)/=width; ++t; b = width; } + if (!c) { ++s; c = dx; } + } + tmp.transfer_to(res); + instance_first = false; + } + if (dy!=height) { + CImg<Tfloat> tmp(dx,dy,depth,dim,0); + for (unsigned int a = height*dy, b = height, c = dy, s = 0, t = 0; a; ) { + const unsigned int d = cimg::min(b,c); + a-=d; b-=d; c-=d; + if (instance_first) cimg_forXZV(tmp,x,z,v) tmp(x,t,z,v)+=(Tfloat)(*this)(x,s,z,v)*d; + else cimg_forXZV(tmp,x,z,v) tmp(x,t,z,v)+=(Tfloat)res(x,s,z,v)*d; + if (!b) { cimg_forXZV(tmp,x,z,v) tmp(x,t,z,v)/=height; ++t; b = height; } + if (!c) { ++s; c = dy; } + } + tmp.transfer_to(res); + instance_first = false; + } + if (dz!=depth) { + CImg<Tfloat> tmp(dx,dy,dz,dim,0); + for (unsigned int a = depth*dz, b = depth, c = dz, s = 0, t = 0; a; ) { + const unsigned int d = cimg::min(b,c); + a-=d; b-=d; c-=d; + if (instance_first) cimg_forXYV(tmp,x,y,v) tmp(x,y,t,v)+=(Tfloat)(*this)(x,y,s,v)*d; + else cimg_forXYV(tmp,x,y,v) tmp(x,y,t,v)+=(Tfloat)res(x,y,s,v)*d; + if (!b) { cimg_forXYV(tmp,x,y,v) tmp(x,y,t,v)/=depth; ++t; b = depth; } + if (!c) { ++s; c = dz; } + } + tmp.transfer_to(res); + instance_first = false; + } + if (dv!=dim) { + CImg<Tfloat> tmp(dx,dy,dz,dv,0); + for (unsigned int a = dim*dv, b = dim, c = dv, s = 0, t = 0; a; ) { + const unsigned int d = cimg::min(b,c); + a-=d; b-=d; c-=d; + if (instance_first) cimg_forXYZ(tmp,x,y,z) tmp(x,y,z,t)+=(Tfloat)(*this)(x,y,z,s)*d; + else cimg_forXYZ(tmp,x,y,z) tmp(x,y,z,t)+=(Tfloat)res(x,y,z,s)*d; + if (!b) { cimg_forXYZ(tmp,x,y,z) tmp(x,y,z,t)/=dim; ++t; b = dim; } + if (!c) { ++s; c = dv; } + } + tmp.transfer_to(res); + instance_first = false; + } + } break; + + case 3 : { // Linear interpolation + const unsigned int dimmax = cimg::max(dx,dy,dz,dv); + const float + sx = (border_condition<0 && dx>width )?(dx>1?(width-1.0f)/(dx-1) :0):(float)width/dx, + sy = (border_condition<0 && dy>height)?(dy>1?(height-1.0f)/(dy-1):0):(float)height/dy, + sz = (border_condition<0 && dz>depth )?(dz>1?(depth-1.0f)/(dz-1) :0):(float)depth/dz, + sv = (border_condition<0 && dv>dim )?(dv>1?(dim-1.0f)/(dv-1) :0):(float)dim/dv; + + unsigned int *const off = new unsigned int[dimmax], *poff; + float *const foff = new float[dimmax], *pfoff, old, curr; + CImg<T> resx, resy, resz, resv; + T *ptrd; + + if (dx!=width) { + if (width==1) resx = get_resize(dx,height,depth,dim,1,0); + else { + resx.assign(dx,height,depth,dim); + curr = old = 0; poff = off; pfoff = foff; + cimg_forX(resx,x) { *(pfoff++) = curr-(unsigned int)curr; old = curr; curr+=sx; *(poff++) = (unsigned int)curr-(unsigned int)old; } + ptrd = resx.data; + const T *ptrs0 = data; + cimg_forYZV(resx,y,z,k) { + poff = off; pfoff = foff; + const T *ptrs = ptrs0, *const ptrsmax = ptrs0 + (width-1); + cimg_forX(resx,x) { + const float alpha = *(pfoff++); + const T val1 = *ptrs, val2 = ptrs<ptrsmax?*(ptrs+1):(border_condition?val1:(T)0); + *(ptrd++) = (T)((1-alpha)*val1 + alpha*val2); + ptrs+=*(poff++); + } + ptrs0+=width; + } + } + } else resx.assign(*this,true); + + if (dy!=height) { + if (height==1) resy = resx.get_resize(dx,dy,depth,dim,1,0); + else { + resy.assign(dx,dy,depth,dim); + curr = old = 0; poff = off; pfoff = foff; + cimg_forY(resy,y) { *(pfoff++) = curr-(unsigned int)curr; old = curr; curr+=sy; *(poff++) = dx*((unsigned int)curr-(unsigned int)old); } + cimg_forXZV(resy,x,z,k) { + ptrd = resy.ptr(x,0,z,k); + const T *ptrs = resx.ptr(x,0,z,k), *const ptrsmax = ptrs + (height-1)*dx; + poff = off; pfoff = foff; + cimg_forY(resy,y) { + const float alpha = *(pfoff++); + const T val1 = *ptrs, val2 = ptrs<ptrsmax?*(ptrs+dx):(border_condition?val1:(T)0); + *ptrd = (T)((1-alpha)*val1 + alpha*val2); + ptrd+=dx; + ptrs+=*(poff++); + } + } + } + resx.assign(); + } else resy.assign(resx,true); + + if (dz!=depth) { + if (depth==1) resz = resy.get_resize(dx,dy,dz,dim,1,0); + else { + const unsigned int wh = dx*dy; + resz.assign(dx,dy,dz,dim); + curr = old = 0; poff = off; pfoff = foff; + cimg_forZ(resz,z) { *(pfoff++) = curr-(unsigned int)curr; old = curr; curr+=sz; *(poff++) = wh*((unsigned int)curr-(unsigned int)old); } + cimg_forXYV(resz,x,y,k) { + ptrd = resz.ptr(x,y,0,k); + const T *ptrs = resy.ptr(x,y,0,k), *const ptrsmax = ptrs + (depth-1)*wh; + poff = off; pfoff = foff; + cimg_forZ(resz,z) { + const float alpha = *(pfoff++); + const T val1 = *ptrs, val2 = ptrs<ptrsmax?*(ptrs+wh):(border_condition?val1:(T)0); + *ptrd = (T)((1-alpha)*val1 + alpha*val2); + ptrd+=wh; + ptrs+=*(poff++); + } + } + } + resy.assign(); + } else resz.assign(resy,true); + + if (dv!=dim) { + if (dim==1) resv = resz.get_resize(dx,dy,dz,dv,1,0); + else { + const unsigned int whd = dx*dy*dz; + resv.assign(dx,dy,dz,dv); + curr = old = 0; poff = off; pfoff = foff; + cimg_forV(resv,k) { *(pfoff++) = curr-(unsigned int)curr; old = curr; curr+=sv; *(poff++) = whd*((unsigned int)curr-(unsigned int)old); } + cimg_forXYZ(resv,x,y,z) { + ptrd = resv.ptr(x,y,z,0); + const T *ptrs = resz.ptr(x,y,z,0), *const ptrsmax = ptrs + (dim-1)*whd; + poff = off; pfoff = foff; + cimg_forV(resv,k) { + const float alpha = *(pfoff++); + const T val1 = *ptrs, val2 = ptrs<ptrsmax?*(ptrs+whd):(border_condition?val1:(T)0); + *ptrd = (T)((1-alpha)*val1 + alpha*val2); + ptrd+=whd; + ptrs+=*(poff++); + } + } + } + resz.assign(); + } else resv.assign(resz,true); + + delete[] off; delete[] foff; + return resv.is_shared?(resz.is_shared?(resy.is_shared?(resx.is_shared?(+(*this)):resx):resy):resz):resv; + } break; + + case 4 : { // Grid filling + res.assign(dx,dy,dz,dv,0); + cimg_forXYZV(*this,x,y,z,k) res(x*dx/width,y*dy/height,z*dz/depth,k*dv/dim) = (*this)(x,y,z,k); + } break; + + case 5 : { // Cubic interpolation + const float + sx = (border_condition<0 && dx>width )?(dx>1?(width-1.0f)/(dx-1) :0):(float)width/dx, + sy = (border_condition<0 && dy>height)?(dy>1?(height-1.0f)/(dy-1):0):(float)height/dy, + sz = (border_condition<0 && dz>depth )?(dz>1?(depth-1.0f)/(dz-1) :0):(float)depth/dz, + sv = (border_condition<0 && dv>dim )?(dv>1?(dim-1.0f)/(dv-1) :0):(float)dim/dv; + res.assign(dx,dy,dz,dv); + T *ptrd = res.ptr(); + float cx, cy, cz, ck = 0; + cimg_forV(res,k) { cz = 0; + cimg_forZ(res,z) { cy = 0; + cimg_forY(res,y) { cx = 0; + cimg_forX(res,x) { + *(ptrd++) = (T)(border_condition?_cubic_atXY(cx,cy,(int)cz,(int)ck):cubic_atXY(cx,cy,(int)cz,(int)ck,0)); + cx+=sx; + } cy+=sy; + } cz+=sz; + } ck+=sv; + } + } break; + + default : // Invalid interpolation method + throw CImgArgumentException("CImg<%s>::resize() : Invalid interpolation_type %d " + "(should be { -1=raw, 0=zero, 1=nearest, 2=average, 3=linear, 4=grid, 5=bicubic}).", + pixel_type(),interpolation_type); + } + return res; + } + + //! Resize an image. + /** + \param src Image giving the geometry of the resize. + \param interpolation_type Interpolation method : + - 1 = raw memory + - 0 = no interpolation : additional space is filled with 0. + - 1 = bloc interpolation (nearest point). + - 2 = mosaic : image is repeated if necessary. + - 3 = linear interpolation. + - 4 = grid interpolation. + - 5 = bi-cubic interpolation. + \param border_condition Border condition type. + \note If pd[x,y,z,v]<0, it corresponds to a percentage of the original size (the default value is -100). + **/ + template<typename t> + CImg<T>& resize(const CImg<t>& src, const int interpolation_type=1, + const int border_condition=-1, const bool center=false) { + return resize(src.width,src.height,src.depth,src.dim,interpolation_type,border_condition,center); + } + + template<typename t> + CImg<T> get_resize(const CImg<t>& src, const int interpolation_type=1, + const int border_condition=-1, const bool center=false) const { + return get_resize(src.width,src.height,src.depth,src.dim,interpolation_type,border_condition,center); + } + + //! Resize an image. + /** + \param disp = Display giving the geometry of the resize. + \param interpolation_type = Resizing type : + - 0 = no interpolation : additional space is filled with 0. + - 1 = bloc interpolation (nearest point). + - 2 = mosaic : image is repeated if necessary. + - 3 = linear interpolation. + - 4 = grid interpolation. + - 5 = bi-cubic interpolation. + - 6 = moving average (best quality for photographs) + \param border_condition Border condition type. + \note If pd[x,y,z,v]<0, it corresponds to a percentage of the original size (the default value is -100). + **/ + CImg<T>& resize(const CImgDisplay& disp, const int interpolation_type=1, + const int border_condition=-1, const bool center=false) { + return resize(disp.width,disp.height,depth,dim,interpolation_type,border_condition,center); + } + + CImg<T> get_resize(const CImgDisplay& disp, const int interpolation_type=1, + const int border_condition=-1, const bool center=false) const { + return get_resize(disp.width,disp.height,depth,dim,interpolation_type,border_condition,center); + } + + //! Half-resize an image, using a special optimized filter. + CImg<T>& resize_halfXY() { + return get_resize_halfXY().transfer_to(*this); + } + + CImg<T> get_resize_halfXY() const { + if (is_empty()) return *this; + const Tfloat mask[9] = { 0.07842776544f, 0.1231940459f, 0.07842776544f, + 0.1231940459f, 0.1935127547f, 0.1231940459f, + 0.07842776544f, 0.1231940459f, 0.07842776544f }; + T I[9] = { 0 }; + CImg<T> dest(width/2,height/2,depth,dim); + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) + if (x%2 && y%2) dest(x/2,y/2,z,k) = (T) + (I[0]*mask[0] + I[1]*mask[1] + I[2]*mask[2] + + I[3]*mask[3] + I[4]*mask[4] + I[5]*mask[5] + + I[6]*mask[6] + I[7]*mask[7] + I[8]*mask[8]); + return dest; + } + + //! Upscale an image by a factor 2x. + /** + Use anisotropic upscaling algorithm described at + http://scale2x.sourceforge.net/algorithm.html + **/ + CImg<T>& resize_doubleXY() { + return get_resize_doubleXY().transfer_to(*this); + } + + CImg<T> get_resize_doubleXY() const { +#define _cimg_gs2x_for3(bound,i) \ + for (int i = 0, _p1##i = 0, \ + _n1##i = 1>=(bound)?(int)(bound)-1:1; \ + _n1##i<(int)(bound) || i==--_n1##i; \ + _p1##i = i++, ++_n1##i, ptrd1+=(res).width, ptrd2+=(res).width) + +#define _cimg_gs2x_for3x3(img,x,y,z,v,I) \ + _cimg_gs2x_for3((img).height,y) for (int x = 0, \ + _p1##x = 0, \ + _n1##x = (int)( \ + (I[1] = (img)(0,_p1##y,z,v)), \ + (I[3] = I[4] = (img)(0,y,z,v)), \ + (I[7] = (img)(0,_n1##y,z,v)), \ + 1>=(img).width?(int)((img).width)-1:1); \ + (_n1##x<(int)((img).width) && ( \ + (I[2] = (img)(_n1##x,_p1##y,z,v)), \ + (I[5] = (img)(_n1##x,y,z,v)), \ + (I[8] = (img)(_n1##x,_n1##y,z,v)),1)) || \ + x==--_n1##x; \ + I[1] = I[2], \ + I[3] = I[4], I[4] = I[5], \ + I[7] = I[8], \ + _p1##x = x++, ++_n1##x) + + if (is_empty()) return *this; + CImg<T> res(2*width,2*height,depth,dim); + CImg_3x3(I,T); + cimg_forZV(*this,z,k) { + T + *ptrd1 = res.ptr(0,0,0,k), + *ptrd2 = ptrd1 + res.width; + _cimg_gs2x_for3x3(*this,x,y,0,k,I) { + if (Icp!=Icn && Ipc!=Inc) { + *(ptrd1++) = Ipc==Icp?Ipc:Icc; + *(ptrd1++) = Icp==Inc?Inc:Icc; + *(ptrd2++) = Ipc==Icn?Ipc:Icc; + *(ptrd2++) = Icn==Inc?Inc:Icc; + } else { *(ptrd1++) = Icc; *(ptrd1++) = Icc; *(ptrd2++) = Icc; *(ptrd2++) = Icc; } + } + } + return res; + } + + //! Upscale an image by a factor 3x. + /** + Use anisotropic upscaling algorithm described at + http://scale2x.sourceforge.net/algorithm.html + **/ + CImg<T>& resize_tripleXY() { + return get_resize_tripleXY().transfer_to(*this); + } + + CImg<T> get_resize_tripleXY() const { +#define _cimg_gs3x_for3(bound,i) \ + for (int i = 0, _p1##i = 0, \ + _n1##i = 1>=(bound)?(int)(bound)-1:1; \ + _n1##i<(int)(bound) || i==--_n1##i; \ + _p1##i = i++, ++_n1##i, ptrd1+=2*(res).width, ptrd2+=2*(res).width, ptrd3+=2*(res).width) + +#define _cimg_gs3x_for3x3(img,x,y,z,v,I) \ + _cimg_gs3x_for3((img).height,y) for (int x = 0, \ + _p1##x = 0, \ + _n1##x = (int)( \ + (I[0] = I[1] = (img)(0,_p1##y,z,v)), \ + (I[3] = I[4] = (img)(0,y,z,v)), \ + (I[6] = I[7] = (img)(0,_n1##y,z,v)), \ + 1>=(img).width?(int)((img).width)-1:1); \ + (_n1##x<(int)((img).width) && ( \ + (I[2] = (img)(_n1##x,_p1##y,z,v)), \ + (I[5] = (img)(_n1##x,y,z,v)), \ + (I[8] = (img)(_n1##x,_n1##y,z,v)),1)) || \ + x==--_n1##x; \ + I[0] = I[1], I[1] = I[2], \ + I[3] = I[4], I[4] = I[5], \ + I[6] = I[7], I[7] = I[8], \ + _p1##x = x++, ++_n1##x) + + if (is_empty()) return *this; + CImg<T> res(3*width,3*height,depth,dim); + CImg_3x3(I,T); + cimg_forZV(*this,z,k) { + T + *ptrd1 = res.ptr(0,0,0,k), + *ptrd2 = ptrd1 + res.width, + *ptrd3 = ptrd2 + res.width; + _cimg_gs3x_for3x3(*this,x,y,0,k,I) { + if (Icp != Icn && Ipc != Inc) { + *(ptrd1++) = Ipc==Icp?Ipc:Icc; + *(ptrd1++) = (Ipc==Icp && Icc!=Inp) || (Icp==Inc && Icc!=Ipp)?Icp:Icc; + *(ptrd1++) = Icp==Inc?Inc:Icc; + *(ptrd2++) = (Ipc==Icp && Icc!=Ipn) || (Ipc==Icn && Icc!=Ipp)?Ipc:Icc; + *(ptrd2++) = Icc; + *(ptrd2++) = (Icp==Inc && Icc!=Inn) || (Icn==Inc && Icc!=Inp)?Inc:Icc; + *(ptrd3++) = Ipc==Icn?Ipc:Icc; + *(ptrd3++) = (Ipc==Icn && Icc!=Inn) || (Icn==Inc && Icc!=Ipn)?Icn:Icc; + *(ptrd3++) = Icn==Inc?Inc:Icc; + } else { + *(ptrd1++) = Icc; *(ptrd1++) = Icc; *(ptrd1++) = Icc; + *(ptrd2++) = Icc; *(ptrd2++) = Icc; *(ptrd2++) = Icc; + *(ptrd3++) = Icc; *(ptrd3++) = Icc; *(ptrd3++) = Icc; + } + } + } + return res; + } + + // Warp an image. + template<typename t> + CImg<T>& warp(const CImg<t>& warp, const bool relative=false, + const bool interpolation=true, const unsigned int border_conditions=0) { + return get_warp(warp,relative,interpolation,border_conditions).transfer_to(*this); + } + + template<typename t> + CImg<T> get_warp(const CImg<t>& warp, const bool relative=false, + const bool interpolation=true, const unsigned int border_conditions=0) const { + if (is_empty() || !warp) return *this; + if (!is_sameXYZ(warp)) + throw CImgArgumentException("CImg<%s>::warp() : Instance image (%u,%u,%u,%u,%p) and warping field (%u,%u,%u,%u,%p) " + "have different XYZ dimensions.", + pixel_type(),width,height,depth,dim,data, + warp.width,warp.height,warp.depth,warp.dim,warp.data); + CImg<T> res(width,height,depth,dim); + switch (warp.dim) { + case 1 : // 1D warping. + if (relative) { // Relative warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atX(cimg::mod(x-(float)warp(x,y,z,0),(float)width),y,z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atX(x-(float)warp(x,y,z,0),y,z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atX(x-(float)warp(x,y,z,0),y,z,v,0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod(x-(int)warp(x,y,z,0),(int)width),y,z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atX(x-(int)warp(x,y,z,0),y,z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atX(x-(int)warp(x,y,z,0),y,z,v,0); + } + } + } else { // Absolute warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atX(cimg::mod((float)warp(x,y,z,0),(float)width),y,z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atX((float)warp(x,y,z,0),y,z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atX((float)warp(x,y,z,0),y,z,v,0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod((int)warp(x,y,z,0),(int)width),y,z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atX((int)warp(x,y,z,0),y,z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atX((int)warp(x,y,z,0),y,z,v,0); + } + } + } + break; + + case 2 : // 2D warping + if (relative) { // Relative warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXY(cimg::mod(x-(float)warp(x,y,z,0),(float)width), + cimg::mod(y-(float)warp(x,y,z,1),(float)height),z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXY(x-(float)warp(x,y,z,0),y-(float)warp(x,y,z,1),z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atXY(x-(float)warp(x,y,z,0),y-(float)warp(x,y,z,1),z,v,0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod(x-(int)warp(x,y,z,0),(int)width), + cimg::mod(y-(int)warp(x,y,z,1),(int)height),z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atXY(x-(int)warp(x,y,z,0),y-(int)warp(x,y,z,1),z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atXY(x-(int)warp(x,y,z,0),y-(int)warp(x,y,z,1),z,v,0); + } + } + } else { // Absolute warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXY(cimg::mod((float)warp(x,y,z,0),(float)width), + cimg::mod((float)warp(x,y,z,1),(float)height),z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXY((float)warp(x,y,z,0),(float)warp(x,y,z,1),z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atXY((float)warp(x,y,z,0),(float)warp(x,y,z,1),z,v,0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod((int)warp(x,y,z,0),(int)width), + cimg::mod((int)warp(x,y,z,1),(int)depth),z,v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atXY((int)warp(x,y,z,0),(int)warp(x,y,z,1),z,v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atXY((int)warp(x,y,z,0),(int)warp(x,y,z,1),z,v,0); + } + } + } + break; + + case 3 : // 3D warping + if (relative) { // Relative warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZ(cimg::mod(x-(float)warp(x,y,z,0),(float)width), + cimg::mod(y-(float)warp(x,y,z,1),(float)height), + cimg::mod(z-(float)warp(x,y,z,2),(float)depth),v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZ(x-(float)warp(x,y,z,0),y-(float)warp(x,y,z,1),z-(float)warp(x,y,z,2),v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atXYZ(x-(float)warp(x,y,z,0),y-(float)warp(x,y,z,1),z-(float)warp(x,y,z,2),v,0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod(x-(int)warp(x,y,z,0),(int)width), + cimg::mod(y-(int)warp(x,y,z,1),(int)height), + cimg::mod(z-(int)warp(x,y,z,2),(int)depth),v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atXYZ(x-(int)warp(x,y,z,0),y-(int)warp(x,y,z,1),z-(int)warp(x,y,z,2),v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atXYZ(x-(int)warp(x,y,z,0),y-(int)warp(x,y,z,1),z-(int)warp(x,y,z,2),v,0); + } + } + } else { // Absolute warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZ(cimg::mod((float)warp(x,y,z,0),(float)width), + cimg::mod((float)warp(x,y,z,1),(float)height), + cimg::mod((float)warp(x,y,z,2),(float)depth),v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZ((float)warp(x,y,z,0),(float)warp(x,y,z,1),(float)warp(x,y,z,2),v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atXYZ((float)warp(x,y,z,0),(float)warp(x,y,z,1),(float)warp(x,y,z,2),v,0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod((int)warp(x,y,z,0),(int)width), + cimg::mod((int)warp(x,y,z,1),(int)height), + cimg::mod((int)warp(x,y,z,2),(int)depth),v); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atXYZ((int)warp(x,y,z,0),(int)warp(x,y,z,1),(int)warp(x,y,z,2),v); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atXYZ((int)warp(x,y,z,0),(int)warp(x,y,z,1),(int)warp(x,y,z,2),v,0); + } + } + } + break; + + default : // 4D warping + if (relative) { // Relative warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZV(cimg::mod(x-(float)warp(x,y,z,0),(float)width), + cimg::mod(y-(float)warp(x,y,z,1),(float)height), + cimg::mod(z-(float)warp(x,y,z,2),(float)depth), + cimg::mod(z-(float)warp(x,y,z,3),(float)dim)); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZV(x-(float)warp(x,y,z,0),y-(float)warp(x,y,z,1),z-(float)warp(x,y,z,2),v-(float)warp(x,y,z,3)); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atXYZV(x-(float)warp(x,y,z,0),y-(float)warp(x,y,z,1),z-(float)warp(x,y,z,2),v-(float)warp(x,y,z,3),0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod(x-(int)warp(x,y,z,0),(int)width), + cimg::mod(y-(int)warp(x,y,z,1),(int)height), + cimg::mod(z-(int)warp(x,y,z,2),(int)depth), + cimg::mod(v-(int)warp(x,y,z,3),(int)dim)); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atXYZV(x-(int)warp(x,y,z,0),y-(int)warp(x,y,z,1),z-(int)warp(x,y,z,2),v-(int)warp(x,y,z,3)); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atXYZ(x-(int)warp(x,y,z,0),y-(int)warp(x,y,z,1),z-(int)warp(x,y,z,2),v-(int)warp(x,y,z,3),0); + } + } + } else { // Absolute warp coordinates + if (interpolation) switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZV(cimg::mod((float)warp(x,y,z,0),(float)width), + cimg::mod((float)warp(x,y,z,1),(float)height), + cimg::mod((float)warp(x,y,z,2),(float)depth), + cimg::mod((float)warp(x,y,z,3),(float)dim)); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)_linear_atXYZV((float)warp(x,y,z,0),(float)warp(x,y,z,1),(float)warp(x,y,z,2),(float)warp(x,y,z,3)); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (T)linear_atXYZV((float)warp(x,y,z,0),(float)warp(x,y,z,1),(float)warp(x,y,z,2),(float)warp(x,y,z,3),0); + } + } else switch (border_conditions) { + case 2 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = (*this)(cimg::mod((int)warp(x,y,z,0),(int)width), + cimg::mod((int)warp(x,y,z,1),(int)height), + cimg::mod((int)warp(x,y,z,2),(int)depth), + cimg::mod((int)warp(x,y,z,3),(int)dim)); + } break; + case 1 : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = _atXYZV((int)warp(x,y,z,0),(int)warp(x,y,z,1),(int)warp(x,y,z,2),(int)warp(x,y,z,3)); + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) + res(x,y,z,v) = atXYZV((int)warp(x,y,z,0),(int)warp(x,y,z,1),(int)warp(x,y,z,2),(int)warp(x,y,z,3),0); + } + } + } + } + return res; + } + + // Permute axes order (internal). + template<typename t> + CImg<t> _get_permute_axes(const char *permut, const t&) const { + if (is_empty() || !permut) return CImg<t>(*this,false); + CImg<t> res; + const T* ptrs = data; + if (!cimg::strncasecmp(permut,"xyzv",4)) return (+*this); + if (!cimg::strncasecmp(permut,"xyvz",4)) { + res.assign(width,height,dim,depth); + cimg_forXYZV(*this,x,y,z,v) res(x,y,v,z) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"xzyv",4)) { + res.assign(width,depth,height,dim); + cimg_forXYZV(*this,x,y,z,v) res(x,z,y,v) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"xzvy",4)) { + res.assign(width,depth,dim,height); + cimg_forXYZV(*this,x,y,z,v) res(x,z,v,y) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"xvyz",4)) { + res.assign(width,dim,height,depth); + cimg_forXYZV(*this,x,y,z,v) res(x,v,y,z) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"xvzy",4)) { + res.assign(width,dim,depth,height); + cimg_forXYZV(*this,x,y,z,v) res(x,v,z,y) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"yxzv",4)) { + res.assign(height,width,depth,dim); + cimg_forXYZV(*this,x,y,z,v) res(y,x,z,v) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"yxvz",4)) { + res.assign(height,width,dim,depth); + cimg_forXYZV(*this,x,y,z,v) res(y,x,v,z) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"yzxv",4)) { + res.assign(height,depth,width,dim); + cimg_forXYZV(*this,x,y,z,v) res(y,z,x,v) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"yzvx",4)) { + res.assign(height,depth,dim,width); + switch (width) { + case 1 : { + t *ptrR = res.ptr(0,0,0,0); + for (unsigned long siz = height*depth*dim; siz; --siz) { + *(ptrR++) = (t)*(ptrs++); + } + } break; + case 2 : { + t *ptrR = res.ptr(0,0,0,0), *ptrG = res.ptr(0,0,0,1); + for (unsigned long siz = height*depth*dim; siz; --siz) { + *(ptrR++) = (t)*(ptrs++); *(ptrG++) = (t)*(ptrs++); + } + } break; + case 3 : { // Optimization for the classical conversion from interleaved RGB to planar RGB + t *ptrR = res.ptr(0,0,0,0), *ptrG = res.ptr(0,0,0,1), *ptrB = res.ptr(0,0,0,2); + for (unsigned long siz = height*depth*dim; siz; --siz) { + *(ptrR++) = (t)*(ptrs++); *(ptrG++) = (t)*(ptrs++); *(ptrB++) = (t)*(ptrs++); + } + } break; + case 4 : { // Optimization for the classical conversion from interleaved RGBA to planar RGBA + t *ptrR = res.ptr(0,0,0,0), *ptrG = res.ptr(0,0,0,1), *ptrB = res.ptr(0,0,0,2), *ptrA = res.ptr(0,0,0,3); + for (unsigned long siz = height*depth*dim; siz; --siz) { + *(ptrR++) = (t)*(ptrs++); *(ptrG++) = (t)*(ptrs++); *(ptrB++) = (t)*(ptrs++); *(ptrA++) = (t)*(ptrs++); + } + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) res(y,z,v,x) = *(ptrs++); + return res; + } + } + } + if (!cimg::strncasecmp(permut,"yvxz",4)) { + res.assign(height,dim,width,depth); + cimg_forXYZV(*this,x,y,z,v) res(y,v,x,z) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"yvzx",4)) { + res.assign(height,dim,depth,width); + cimg_forXYZV(*this,x,y,z,v) res(y,v,z,x) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"zxyv",4)) { + res.assign(depth,width,height,dim); + cimg_forXYZV(*this,x,y,z,v) res(z,x,y,v) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"zxvy",4)) { + res.assign(depth,width,dim,height); + cimg_forXYZV(*this,x,y,z,v) res(z,x,v,y) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"zyxv",4)) { + res.assign(depth,height,width,dim); + cimg_forXYZV(*this,x,y,z,v) res(z,y,x,v) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"zyvx",4)) { + res.assign(depth,height,dim,width); + cimg_forXYZV(*this,x,y,z,v) res(z,y,v,x) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"zvxy",4)) { + res.assign(depth,dim,width,height); + cimg_forXYZV(*this,x,y,z,v) res(z,v,x,y) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"zvyx",4)) { + res.assign(depth,dim,height,width); + cimg_forXYZV(*this,x,y,z,v) res(z,v,y,x) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"vxyz",4)) { + res.assign(dim,width,height,depth); + switch (dim) { + case 1 : { + const T *ptrR = ptr(0,0,0,0); + t *ptrd = res.ptr(); + for (unsigned long siz = width*height*depth; siz; --siz) { + *(ptrd++) = (t)*(ptrR++); + } + } break; + case 2 : { + const T *ptrR = ptr(0,0,0,0), *ptrG = ptr(0,0,0,1); + t *ptrd = res.ptr(); + for (unsigned long siz = width*height*depth; siz; --siz) { + *(ptrd++) = (t)*(ptrR++); *(ptrd++) = (t)*(ptrG++); + } + } break; + case 3 : { // Optimization for the classical conversion from planar RGB to interleaved RGB + const T *ptrR = ptr(0,0,0,0), *ptrG = ptr(0,0,0,1), *ptrB = ptr(0,0,0,2); + t *ptrd = res.ptr(); + for (unsigned long siz = width*height*depth; siz; --siz) { + *(ptrd++) = (t)*(ptrR++); *(ptrd++) = (t)*(ptrG++); *(ptrd++) = (t)*(ptrB++); + } + } break; + case 4 : { // Optimization for the classical conversion from planar RGBA to interleaved RGBA + const T *ptrR = ptr(0,0,0,0), *ptrG = ptr(0,0,0,1), *ptrB = ptr(0,0,0,2), *ptrA = ptr(0,0,0,3); + t *ptrd = res.ptr(); + for (unsigned long siz = width*height*depth; siz; --siz) { + *(ptrd++) = (t)*(ptrR++); *(ptrd++) = (t)*(ptrG++); *(ptrd++) = (t)*(ptrB++); *(ptrd++) = (t)*(ptrA++); + } + } break; + default : { + cimg_forXYZV(*this,x,y,z,v) res(v,x,y,z) = (t)*(ptrs++); + } + } + } + if (!cimg::strncasecmp(permut,"vxzy",4)) { + res.assign(dim,width,depth,height); + cimg_forXYZV(*this,x,y,z,v) res(v,x,z,y) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"vyxz",4)) { + res.assign(dim,height,width,depth); + cimg_forXYZV(*this,x,y,z,v) res(v,y,x,z) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"vyzx",4)) { + res.assign(dim,height,depth,width); + cimg_forXYZV(*this,x,y,z,v) res(v,y,z,x) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"vzxy",4)) { + res.assign(dim,depth,width,height); + cimg_forXYZV(*this,x,y,z,v) res(v,z,x,y) = (t)*(ptrs++); + } + if (!cimg::strncasecmp(permut,"vzyx",4)) { + res.assign(dim,depth,height,width); + cimg_forXYZV(*this,x,y,z,v) res(v,z,y,x) = (t)*(ptrs++); + } + if (!res) + throw CImgArgumentException("CImg<%s>::permute_axes() : Invalid input permutation '%s'.", + pixel_type(),permut); + return res; + } + + //! Permute axes order. + /** + This function permutes image axes. + \param permut = String describing the permutation (4 characters). + **/ + CImg<T>& permute_axes(const char *order) { + return get_permute_axes(order).transfer_to(*this); + } + + CImg<T> get_permute_axes(const char *order) const { + const T foo = (T)0; + return _get_permute_axes(order,foo); + } + + //! Invert endianness. + CImg<T>& invert_endianness() { + cimg::invert_endianness(data,size()); + return *this; + } + + CImg<T> get_invert_endianness() const { + return (+*this).invert_endianness(); + } + + //! Mirror an image along the specified axis. + CImg<T>& mirror(const char axis) { + if (is_empty()) return *this; + T *pf, *pb, *buf = 0; + switch (cimg::uncase(axis)) { + case 'x' : { + pf = data; pb = ptr(width-1); + const unsigned int width2 = width/2; + for (unsigned int yzv = 0; yzv<height*depth*dim; ++yzv) { + for (unsigned int x = 0; x<width2; ++x) { const T val = *pf; *(pf++) = *pb; *(pb--) = val; } + pf+=width - width2; + pb+=width + width2; + } + } break; + case 'y' : { + buf = new T[width]; + pf = data; pb = ptr(0,height-1); + const unsigned int height2 = height/2; + for (unsigned int zv=0; zv<depth*dim; ++zv) { + for (unsigned int y=0; y<height2; ++y) { + cimg_std::memcpy(buf,pf,width*sizeof(T)); + cimg_std::memcpy(pf,pb,width*sizeof(T)); + cimg_std::memcpy(pb,buf,width*sizeof(T)); + pf+=width; + pb-=width; + } + pf+=width*(height - height2); + pb+=width*(height + height2); + } + } break; + case 'z' : { + buf = new T[width*height]; + pf = data; pb = ptr(0,0,depth-1); + const unsigned int depth2 = depth/2; + cimg_forV(*this,v) { + for (unsigned int z=0; z<depth2; ++z) { + cimg_std::memcpy(buf,pf,width*height*sizeof(T)); + cimg_std::memcpy(pf,pb,width*height*sizeof(T)); + cimg_std::memcpy(pb,buf,width*height*sizeof(T)); + pf+=width*height; + pb-=width*height; + } + pf+=width*height*(depth - depth2); + pb+=width*height*(depth + depth2); + } + } break; + case 'v' : { + buf = new T[width*height*depth]; + pf = data; pb = ptr(0,0,0,dim-1); + const unsigned int dim2 = dim/2; + for (unsigned int v=0; v<dim2; ++v) { + cimg_std::memcpy(buf,pf,width*height*depth*sizeof(T)); + cimg_std::memcpy(pf,pb,width*height*depth*sizeof(T)); + cimg_std::memcpy(pb,buf,width*height*depth*sizeof(T)); + pf+=width*height*depth; + pb-=width*height*depth; + } + } break; + default : + throw CImgArgumentException("CImg<%s>::mirror() : unknow axis '%c', must be 'x','y','z' or 'v'.", + pixel_type(),axis); + } + if (buf) delete[] buf; + return *this; + } + + CImg<T> get_mirror(const char axis) const { + return (+*this).mirror(axis); + } + + //! Translate the image. + /** + \param deltax Amount of displacement along the X-axis. + \param deltay Amount of displacement along the Y-axis. + \param deltaz Amount of displacement along the Z-axis. + \param deltav Amount of displacement along the V-axis. + \param border_condition Border condition. + + - \c border_condition can be : + - 0 : Zero border condition (Dirichlet). + - 1 : Nearest neighbors (Neumann). + - 2 : Repeat Pattern (Fourier style). + **/ + CImg<T>& translate(const int deltax, const int deltay=0, const int deltaz=0, const int deltav=0, + const int border_condition=0) { + if (is_empty()) return *this; + if (deltax) // Translate along X-axis + switch (border_condition) { + case 0 : + if (cimg::abs(deltax)>=dimx()) return fill(0); + if (deltax>0) cimg_forYZV(*this,y,z,k) { + cimg_std::memmove(ptr(0,y,z,k),ptr(deltax,y,z,k),(width-deltax)*sizeof(T)); + cimg_std::memset(ptr(width-deltax,y,z,k),0,deltax*sizeof(T)); + } else cimg_forYZV(*this,y,z,k) { + cimg_std::memmove(ptr(-deltax,y,z,k),ptr(0,y,z,k),(width+deltax)*sizeof(T)); + cimg_std::memset(ptr(0,y,z,k),0,-deltax*sizeof(T)); + } + break; + case 1 : + if (deltax>0) { + const int ndeltax = (deltax>=dimx())?width-1:deltax; + if (!ndeltax) return *this; + cimg_forYZV(*this,y,z,k) { + cimg_std::memmove(ptr(0,y,z,k),ptr(ndeltax,y,z,k),(width-ndeltax)*sizeof(T)); + T *ptrd = ptr(width-1,y,z,k); + const T val = *ptrd; + for (int l = 0; l<ndeltax-1; ++l) *(--ptrd) = val; + } + } else { + const int ndeltax = (-deltax>=dimx())?width-1:-deltax; + if (!ndeltax) return *this; + cimg_forYZV(*this,y,z,k) { + cimg_std::memmove(ptr(ndeltax,y,z,k),ptr(0,y,z,k),(width-ndeltax)*sizeof(T)); + T *ptrd = ptr(0,y,z,k); + const T val = *ptrd; + for (int l = 0; l<ndeltax-1; ++l) *(++ptrd) = val; + } + } + break; + case 2 : { + const int ml = cimg::mod(deltax,dimx()), ndeltax = (ml<=dimx()/2)?ml:(ml-dimx()); + if (!ndeltax) return *this; + T* buf = new T[cimg::abs(ndeltax)]; + if (ndeltax>0) cimg_forYZV(*this,y,z,k) { + cimg_std::memcpy(buf,ptr(0,y,z,k),ndeltax*sizeof(T)); + cimg_std::memmove(ptr(0,y,z,k),ptr(ndeltax,y,z,k),(width-ndeltax)*sizeof(T)); + cimg_std::memcpy(ptr(width-ndeltax,y,z,k),buf,ndeltax*sizeof(T)); + } else cimg_forYZV(*this,y,z,k) { + cimg_std::memcpy(buf,ptr(width+ndeltax,y,z,k),-ndeltax*sizeof(T)); + cimg_std::memmove(ptr(-ndeltax,y,z,k),ptr(0,y,z,k),(width+ndeltax)*sizeof(T)); + cimg_std::memcpy(ptr(0,y,z,k),buf,-ndeltax*sizeof(T)); + } + delete[] buf; + } break; + } + + if (deltay) // Translate along Y-axis + switch (border_condition) { + case 0 : + if (cimg::abs(deltay)>=dimy()) return fill(0); + if (deltay>0) cimg_forZV(*this,z,k) { + cimg_std::memmove(ptr(0,0,z,k),ptr(0,deltay,z,k),width*(height-deltay)*sizeof(T)); + cimg_std::memset(ptr(0,height-deltay,z,k),0,width*deltay*sizeof(T)); + } else cimg_forZV(*this,z,k) { + cimg_std::memmove(ptr(0,-deltay,z,k),ptr(0,0,z,k),width*(height+deltay)*sizeof(T)); + cimg_std::memset(ptr(0,0,z,k),0,-deltay*width*sizeof(T)); + } + break; + case 1 : + if (deltay>0) { + const int ndeltay = (deltay>=dimy())?height-1:deltay; + if (!ndeltay) return *this; + cimg_forZV(*this,z,k) { + cimg_std::memmove(ptr(0,0,z,k),ptr(0,ndeltay,z,k),width*(height-ndeltay)*sizeof(T)); + T *ptrd = ptr(0,height-ndeltay,z,k), *ptrs = ptr(0,height-1,z,k); + for (int l = 0; l<ndeltay-1; ++l) { cimg_std::memcpy(ptrd,ptrs,width*sizeof(T)); ptrd+=width; } + } + } else { + const int ndeltay = (-deltay>=dimy())?height-1:-deltay; + if (!ndeltay) return *this; + cimg_forZV(*this,z,k) { + cimg_std::memmove(ptr(0,ndeltay,z,k),ptr(0,0,z,k),width*(height-ndeltay)*sizeof(T)); + T *ptrd = ptr(0,1,z,k), *ptrs = ptr(0,0,z,k); + for (int l = 0; l<ndeltay-1; ++l) { cimg_std::memcpy(ptrd,ptrs,width*sizeof(T)); ptrd+=width; } + } + } + break; + case 2 : { + const int ml = cimg::mod(deltay,dimy()), ndeltay = (ml<=dimy()/2)?ml:(ml-dimy()); + if (!ndeltay) return *this; + T* buf = new T[width*cimg::abs(ndeltay)]; + if (ndeltay>0) cimg_forZV(*this,z,k) { + cimg_std::memcpy(buf,ptr(0,0,z,k),width*ndeltay*sizeof(T)); + cimg_std::memmove(ptr(0,0,z,k),ptr(0,ndeltay,z,k),width*(height-ndeltay)*sizeof(T)); + cimg_std::memcpy(ptr(0,height-ndeltay,z,k),buf,width*ndeltay*sizeof(T)); + } else cimg_forZV(*this,z,k) { + cimg_std::memcpy(buf,ptr(0,height+ndeltay,z,k),-ndeltay*width*sizeof(T)); + cimg_std::memmove(ptr(0,-ndeltay,z,k),ptr(0,0,z,k),width*(height+ndeltay)*sizeof(T)); + cimg_std::memcpy(ptr(0,0,z,k),buf,-ndeltay*width*sizeof(T)); + } + delete[] buf; + } break; + } + + if (deltaz) // Translate along Z-axis + switch (border_condition) { + case 0 : + if (cimg::abs(deltaz)>=dimz()) return fill(0); + if (deltaz>0) cimg_forV(*this,k) { + cimg_std::memmove(ptr(0,0,0,k),ptr(0,0,deltaz,k),width*height*(depth-deltaz)*sizeof(T)); + cimg_std::memset(ptr(0,0,depth-deltaz,k),0,width*height*deltaz*sizeof(T)); + } else cimg_forV(*this,k) { + cimg_std::memmove(ptr(0,0,-deltaz,k),ptr(0,0,0,k),width*height*(depth+deltaz)*sizeof(T)); + cimg_std::memset(ptr(0,0,0,k),0,-deltaz*width*height*sizeof(T)); + } + break; + case 1 : + if (deltaz>0) { + const int ndeltaz = (deltaz>=dimz())?depth-1:deltaz; + if (!ndeltaz) return *this; + cimg_forV(*this,k) { + cimg_std::memmove(ptr(0,0,0,k),ptr(0,0,ndeltaz,k),width*height*(depth-ndeltaz)*sizeof(T)); + T *ptrd = ptr(0,0,depth-ndeltaz,k), *ptrs = ptr(0,0,depth-1,k); + for (int l = 0; l<ndeltaz-1; ++l) { cimg_std::memcpy(ptrd,ptrs,width*height*sizeof(T)); ptrd+=width*height; } + } + } else { + const int ndeltaz = (-deltaz>=dimz())?depth-1:-deltaz; + if (!ndeltaz) return *this; + cimg_forV(*this,k) { + cimg_std::memmove(ptr(0,0,ndeltaz,k),ptr(0,0,0,k),width*height*(depth-ndeltaz)*sizeof(T)); + T *ptrd = ptr(0,0,1,k), *ptrs = ptr(0,0,0,k); + for (int l = 0; l<ndeltaz-1; ++l) { cimg_std::memcpy(ptrd,ptrs,width*height*sizeof(T)); ptrd+=width*height; } + } + } + break; + case 2 : { + const int ml = cimg::mod(deltaz,dimz()), ndeltaz = (ml<=dimz()/2)?ml:(ml-dimz()); + if (!ndeltaz) return *this; + T* buf = new T[width*height*cimg::abs(ndeltaz)]; + if (ndeltaz>0) cimg_forV(*this,k) { + cimg_std::memcpy(buf,ptr(0,0,0,k),width*height*ndeltaz*sizeof(T)); + cimg_std::memmove(ptr(0,0,0,k),ptr(0,0,ndeltaz,k),width*height*(depth-ndeltaz)*sizeof(T)); + cimg_std::memcpy(ptr(0,0,depth-ndeltaz,k),buf,width*height*ndeltaz*sizeof(T)); + } else cimg_forV(*this,k) { + cimg_std::memcpy(buf,ptr(0,0,depth+ndeltaz,k),-ndeltaz*width*height*sizeof(T)); + cimg_std::memmove(ptr(0,0,-ndeltaz,k),ptr(0,0,0,k),width*height*(depth+ndeltaz)*sizeof(T)); + cimg_std::memcpy(ptr(0,0,0,k),buf,-ndeltaz*width*height*sizeof(T)); + } + delete[] buf; + } break; + } + + if (deltav) // Translate along V-axis + switch (border_condition) { + case 0 : + if (cimg::abs(deltav)>=dimv()) return fill(0); + if (deltav>0) { + cimg_std::memmove(data,ptr(0,0,0,deltav),width*height*depth*(dim-deltav)*sizeof(T)); + cimg_std::memset(ptr(0,0,0,dim-deltav),0,width*height*depth*deltav*sizeof(T)); + } else cimg_forV(*this,k) { + cimg_std::memmove(ptr(0,0,0,-deltav),data,width*height*depth*(dim+deltav)*sizeof(T)); + cimg_std::memset(data,0,-deltav*width*height*depth*sizeof(T)); + } + break; + case 1 : + if (deltav>0) { + const int ndeltav = (deltav>=dimv())?dim-1:deltav; + if (!ndeltav) return *this; + cimg_std::memmove(data,ptr(0,0,0,ndeltav),width*height*depth*(dim-ndeltav)*sizeof(T)); + T *ptrd = ptr(0,0,0,dim-ndeltav), *ptrs = ptr(0,0,0,dim-1); + for (int l = 0; l<ndeltav-1; ++l) { cimg_std::memcpy(ptrd,ptrs,width*height*depth*sizeof(T)); ptrd+=width*height*depth; } + } else { + const int ndeltav = (-deltav>=dimv())?dim-1:-deltav; + if (!ndeltav) return *this; + cimg_std::memmove(ptr(0,0,0,ndeltav),data,width*height*depth*(dim-ndeltav)*sizeof(T)); + T *ptrd = ptr(0,0,0,1); + for (int l = 0; l<ndeltav-1; ++l) { cimg_std::memcpy(ptrd,data,width*height*depth*sizeof(T)); ptrd+=width*height*depth; } + } + break; + case 2 : { + const int ml = cimg::mod(deltav,dimv()), ndeltav = (ml<=dimv()/2)?ml:(ml-dimv()); + if (!ndeltav) return *this; + T* buf = new T[width*height*depth*cimg::abs(ndeltav)]; + if (ndeltav>0) { + cimg_std::memcpy(buf,data,width*height*depth*ndeltav*sizeof(T)); + cimg_std::memmove(data,ptr(0,0,0,ndeltav),width*height*depth*(dim-ndeltav)*sizeof(T)); + cimg_std::memcpy(ptr(0,0,0,dim-ndeltav),buf,width*height*depth*ndeltav*sizeof(T)); + } else { + cimg_std::memcpy(buf,ptr(0,0,0,dim+ndeltav),-ndeltav*width*height*depth*sizeof(T)); + cimg_std::memmove(ptr(0,0,0,-ndeltav),data,width*height*depth*(dim+ndeltav)*sizeof(T)); + cimg_std::memcpy(data,buf,-ndeltav*width*height*depth*sizeof(T)); + } + delete[] buf; + } break; + } + return *this; + } + + CImg<T> get_translate(const int deltax, const int deltay=0, const int deltaz=0, const int deltav=0, + const int border_condition=0) const { + return (+*this).translate(deltax,deltay,deltaz,deltav,border_condition); + } + + //! Get a square region of the image. + /** + \param x0 = X-coordinate of the upper-left crop rectangle corner. + \param y0 = Y-coordinate of the upper-left crop rectangle corner. + \param z0 = Z-coordinate of the upper-left crop rectangle corner. + \param v0 = V-coordinate of the upper-left crop rectangle corner. + \param x1 = X-coordinate of the lower-right crop rectangle corner. + \param y1 = Y-coordinate of the lower-right crop rectangle corner. + \param z1 = Z-coordinate of the lower-right crop rectangle corner. + \param v1 = V-coordinate of the lower-right crop rectangle corner. + \param border_condition = Dirichlet (false) or Neumann border conditions. + **/ + CImg<T>& crop(const int x0, const int y0, const int z0, const int v0, + const int x1, const int y1, const int z1, const int v1, + const bool border_condition=false) { + return get_crop(x0,y0,z0,v0,x1,y1,z1,v1,border_condition).transfer_to(*this); + } + + CImg<T> get_crop(const int x0, const int y0, const int z0, const int v0, + const int x1, const int y1, const int z1, const int v1, + const bool border_condition=false) const { + if (is_empty()) return *this; + const int + nx0 = x0<x1?x0:x1, nx1 = x0^x1^nx0, + ny0 = y0<y1?y0:y1, ny1 = y0^y1^ny0, + nz0 = z0<z1?z0:z1, nz1 = z0^z1^nz0, + nv0 = v0<v1?v0:v1, nv1 = v0^v1^nv0; + CImg<T> dest(1U+nx1-nx0,1U+ny1-ny0,1U+nz1-nz0,1U+nv1-nv0); + if (nx0<0 || nx1>=dimx() || ny0<0 || ny1>=dimy() || nz0<0 || nz1>=dimz() || nv0<0 || nv1>=dimv()) { + if (border_condition) cimg_forXYZV(dest,x,y,z,v) dest(x,y,z,v) = _atXYZV(nx0+x,ny0+y,nz0+z,nv0+v); + else dest.fill(0).draw_image(-nx0,-ny0,-nz0,-nv0,*this); + } else dest.draw_image(-nx0,-ny0,-nz0,-nv0,*this); + return dest; + } + + //! Get a rectangular part of the instance image. + /** + \param x0 = X-coordinate of the upper-left crop rectangle corner. + \param y0 = Y-coordinate of the upper-left crop rectangle corner. + \param z0 = Z-coordinate of the upper-left crop rectangle corner. + \param x1 = X-coordinate of the lower-right crop rectangle corner. + \param y1 = Y-coordinate of the lower-right crop rectangle corner. + \param z1 = Z-coordinate of the lower-right crop rectangle corner. + \param border_condition = determine the type of border condition if + some of the desired region is outside the image. + **/ + CImg<T>& crop(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const bool border_condition=false) { + return crop(x0,y0,z0,0,x1,y1,z1,dim-1,border_condition); + } + + CImg<T> get_crop(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const bool border_condition=false) const { + return get_crop(x0,y0,z0,0,x1,y1,z1,dim-1,border_condition); + } + + //! Get a rectangular part of the instance image. + /** + \param x0 = X-coordinate of the upper-left crop rectangle corner. + \param y0 = Y-coordinate of the upper-left crop rectangle corner. + \param x1 = X-coordinate of the lower-right crop rectangle corner. + \param y1 = Y-coordinate of the lower-right crop rectangle corner. + \param border_condition = determine the type of border condition if + some of the desired region is outside the image. + **/ + CImg<T>& crop(const int x0, const int y0, + const int x1, const int y1, + const bool border_condition=false) { + return crop(x0,y0,0,0,x1,y1,depth-1,dim-1,border_condition); + } + + CImg<T> get_crop(const int x0, const int y0, + const int x1, const int y1, + const bool border_condition=false) const { + return get_crop(x0,y0,0,0,x1,y1,depth-1,dim-1,border_condition); + } + + //! Get a rectangular part of the instance image. + /** + \param x0 = X-coordinate of the upper-left crop rectangle corner. + \param x1 = X-coordinate of the lower-right crop rectangle corner. + \param border_condition = determine the type of border condition if + some of the desired region is outside the image. + **/ + CImg<T>& crop(const int x0, const int x1, const bool border_condition=false) { + return crop(x0,0,0,0,x1,height-1,depth-1,dim-1,border_condition); + } + + CImg<T> get_crop(const int x0, const int x1, const bool border_condition=false) const { + return get_crop(x0,0,0,0,x1,height-1,depth-1,dim-1,border_condition); + } + + //! Autocrop an image, regarding of the specified backround value. + CImg<T>& autocrop(const T value, const char *const axes="vzyx") { + if (is_empty()) return *this; + const int lmax = cimg::strlen(axes); + for (int l = 0; l<lmax; ++l) autocrop(value,axes[l]); + return *this; + } + + CImg<T> get_autocrop(const T value, const char *const axes="vzyx") const { + return (+*this).autocrop(value,axes); + } + + //! Autocrop an image, regarding of the specified backround color. + CImg<T>& autocrop(const T *const color, const char *const axes="zyx") { + if (is_empty()) return *this; + const int lmax = cimg::strlen(axes); + for (int l = 0; l<lmax; ++l) autocrop(color,axes[l]); + return *this; + } + + CImg<T> get_autocrop(const T *const color, const char *const axes="zyx") const { + return (+*this).autocrop(color,axes); + } + + //! Autocrop an image, regarding of the specified backround color. + template<typename t> CImg<T>& autocrop(const CImg<t>& color, const char *const axes="zyx") { + return get_autocrop(color,axes).transfer_to(*this); + } + + template<typename t> CImg<T> get_autocrop(const CImg<t>& color, const char *const axes="zyx") const { + return get_autocrop(color.data,axes); + } + + //! Autocrop an image along specified axis, regarding of the specified backround value. + CImg<T>& autocrop(const T value, const char axis) { + return get_autocrop(value,axis).transfer_to(*this); + } + + CImg<T> get_autocrop(const T value, const char axis) const { + if (is_empty()) return *this; + CImg<T> res; + const CImg<intT> coords = _get_autocrop(value,axis); + switch (cimg::uncase(axis)) { + case 'x' : { + const int x0 = coords[0], x1 = coords[1]; + if (x0>=0 && x1>=0) res = get_crop(x0,x1); + } break; + case 'y' : { + const int y0 = coords[0], y1 = coords[1]; + if (y0>=0 && y1>=0) res = get_crop(0,y0,width-1,y1); + } break; + case 'z' : { + const int z0 = coords[0], z1 = coords[1]; + if (z0>=0 && z1>=0) res = get_crop(0,0,z0,width-1,height-1,z1); + } break; + case 'v' : { + const int v0 = coords[0], v1 = coords[1]; + if (v0>=0 && v1>=0) res = get_crop(0,0,0,v0,width-1,height-1,depth-1,v1); + } break; + } + return res; + } + + //! Autocrop an image along specified axis, regarding of the specified backround color. + CImg<T>& autocrop(const T *const color, const char axis) { + return get_autocrop(color,axis).transfer_to(*this); + } + + CImg<T> get_autocrop(const T *const color, const char axis) const { + if (is_empty()) return *this; + CImg<T> res; + switch (cimg::uncase(axis)) { + case 'x' : { + int x0 = width, x1 = -1; + cimg_forV(*this,k) { + const CImg<intT> coords = get_shared_channel(k)._get_autocrop(color[k],axis); + const int nx0 = coords[0], nx1 = coords[1]; + if (nx0>=0 && nx1>=0) { x0 = cimg::min(x0,nx0); x1 = cimg::max(x1,nx1); } + } + if (x0<=x1) res = get_crop(x0,x1); + } break; + case 'y' : { + int y0 = height, y1 = -1; + cimg_forV(*this,k) { + const CImg<intT> coords = get_shared_channel(k)._get_autocrop(color[k],axis); + const int ny0 = coords[0], ny1 = coords[1]; + if (ny0>=0 && ny1>=0) { y0 = cimg::min(y0,ny0); y1 = cimg::max(y1,ny1); } + } + if (y0<=y1) res = get_crop(0,y0,width-1,y1); + } break; + case 'z' : { + int z0 = depth, z1 = -1; + cimg_forV(*this,k) { + const CImg<intT> coords = get_shared_channel(k)._get_autocrop(color[k],axis); + const int nz0 = coords[0], nz1 = coords[1]; + if (nz0>=0 && nz1>=0) { z0 = cimg::min(z0,nz0); z1 = cimg::max(z1,nz1); } + } + if (z0<=z1) res = get_crop(0,0,z0,width-1,height-1,z1); + } break; + default : + throw CImgArgumentException("CImg<%s>::autocrop() : Invalid axis '%c', must be 'x','y' or 'z'.", + pixel_type(),axis); + } + return res; + } + + //! Autocrop an image along specified axis, regarding of the specified backround color. + template<typename t> CImg<T>& autocrop(const CImg<t>& color, const char axis) { + return get_autocrop(color,axis).transfer_to(*this); + } + + template<typename t> CImg<T> get_autocrop(const CImg<t>& color, const char axis) const { + return get_autocrop(color.data,axis); + } + + CImg<intT> _get_autocrop(const T value, const char axis) const { + CImg<intT> res; + int x0 = -1, y0 = -1, z0 = -1, v0 = -1, x1 = -1, y1 = -1, z1 = -1, v1 = -1; + switch (cimg::uncase(axis)) { + case 'x' : { + cimg_forX(*this,x) cimg_forYZV(*this,y,z,v) + if ((*this)(x,y,z,v)!=value) { x0 = x; x = dimx(); y = dimy(); z = dimz(); v = dimv(); } + if (x0>=0) { + for (int x = dimx()-1; x>=0; --x) cimg_forYZV(*this,y,z,v) + if ((*this)(x,y,z,v)!=value) { x1 = x; x = 0; y = dimy(); z = dimz(); v = dimv(); } + } + res = CImg<intT>::vector(x0,x1); + } break; + case 'y' : { + cimg_forY(*this,y) cimg_forXZV(*this,x,z,v) + if ((*this)(x,y,z,v)!=value) { y0 = y; x = dimx(); y = dimy(); z = dimz(); v = dimv(); } + if (y0>=0) { + for (int y = dimy()-1; y>=0; --y) cimg_forXZV(*this,x,z,v) + if ((*this)(x,y,z,v)!=value) { y1 = y; x = dimx(); y = 0; z = dimz(); v = dimv(); } + } + res = CImg<intT>::vector(y0,y1); + } break; + case 'z' : { + cimg_forZ(*this,z) cimg_forXYV(*this,x,y,v) + if ((*this)(x,y,z,v)!=value) { z0 = z; x = dimx(); y = dimy(); z = dimz(); v = dimv(); } + if (z0>=0) { + for (int z = dimz()-1; z>=0; --z) cimg_forXYV(*this,x,y,v) + if ((*this)(x,y,z,v)!=value) { z1 = z; x = dimx(); y = dimy(); z = 0; v = dimv(); } + } + res = CImg<intT>::vector(z0,z1); + } break; + case 'v' : { + cimg_forV(*this,v) cimg_forXYZ(*this,x,y,z) + if ((*this)(x,y,z,v)!=value) { v0 = v; x = dimx(); y = dimy(); z = dimz(); v = dimv(); } + if (v0>=0) { + for (int v = dimv()-1; v>=0; --v) cimg_forXYZ(*this,x,y,z) + if ((*this)(x,y,z,v)!=value) { v1 = v; x = dimx(); y = dimy(); z = dimz(); v = 0; } + } + res = CImg<intT>::vector(v0,v1); + } break; + default : + throw CImgArgumentException("CImg<%s>::autocrop() : unknow axis '%c', must be 'x','y','z' or 'v'", + pixel_type(),axis); + } + return res; + } + + //! Get a set of columns. + CImg<T>& columns(const unsigned int x0, const unsigned int x1) { + return get_columns(x0,x1).transfer_to(*this); + } + + CImg<T> get_columns(const unsigned int x0, const unsigned int x1) const { + return get_crop((int)x0,0,0,0,(int)x1,dimy()-1,dimz()-1,dimv()-1); + } + + //! Get one column. + CImg<T>& column(const unsigned int x0) { + return columns(x0,x0); + } + + CImg<T> get_column(const unsigned int x0) const { + return get_columns(x0,x0); + } + + //! Get a set of lines. + CImg<T>& lines(const unsigned int y0, const unsigned int y1) { + return get_lines(y0,y1).transfer_to(*this); + } + + CImg<T> get_lines(const unsigned int y0, const unsigned int y1) const { + return get_crop(0,(int)y0,0,0,dimx()-1,(int)y1,dimz()-1,dimv()-1); + } + + //! Get a line. + CImg<T>& line(const unsigned int y0) { + return lines(y0,y0); + } + + CImg<T> get_line(const unsigned int y0) const { + return get_lines(y0,y0); + } + + //! Get a set of slices. + CImg<T>& slices(const unsigned int z0, const unsigned int z1) { + return get_slices(z0,z1).transfer_to(*this); + } + + CImg<T> get_slices(const unsigned int z0, const unsigned int z1) const { + return get_crop(0,0,(int)z0,0,dimx()-1,dimy()-1,(int)z1,dimv()-1); + } + + //! Get a slice. + CImg<T>& slice(const unsigned int z0) { + return slices(z0,z0); + } + + CImg<T> get_slice(const unsigned int z0) const { + return get_slices(z0,z0); + } + + //! Get a set of channels. + CImg<T>& channels(const unsigned int v0, const unsigned int v1) { + return get_channels(v0,v1).transfer_to(*this); + } + + CImg<T> get_channels(const unsigned int v0, const unsigned int v1) const { + return get_crop(0,0,0,(int)v0,dimx()-1,dimy()-1,dimz()-1,(int)v1); + } + + //! Get a channel. + CImg<T>& channel(const unsigned int v0) { + return channels(v0,v0); + } + + CImg<T> get_channel(const unsigned int v0) const { + return get_channels(v0,v0); + } + + //! Get a shared-memory image referencing a set of points of the instance image. + CImg<T> get_shared_points(const unsigned int x0, const unsigned int x1, + const unsigned int y0=0, const unsigned int z0=0, const unsigned int v0=0) { + const unsigned long beg = offset(x0,y0,z0,v0), end = offset(x1,y0,z0,v0); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_points() : Cannot return a shared-memory subset (%u->%u,%u,%u,%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),x0,x1,y0,z0,v0,width,height,depth,dim); + return CImg<T>(data+beg,x1-x0+1,1,1,1,true); + } + + const CImg<T> get_shared_points(const unsigned int x0, const unsigned int x1, + const unsigned int y0=0, const unsigned int z0=0, const unsigned int v0=0) const { + const unsigned long beg = offset(x0,y0,z0,v0), end = offset(x1,y0,z0,v0); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_points() : Cannot return a shared-memory subset (%u->%u,%u,%u,%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),x0,x1,y0,z0,v0,width,height,depth,dim); + return CImg<T>(data+beg,x1-x0+1,1,1,1,true); + } + + //! Return a shared-memory image referencing a set of lines of the instance image. + CImg<T> get_shared_lines(const unsigned int y0, const unsigned int y1, + const unsigned int z0=0, const unsigned int v0=0) { + const unsigned long beg = offset(0,y0,z0,v0), end = offset(0,y1,z0,v0); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_lines() : Cannot return a shared-memory subset (0->%u,%u->%u,%u,%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),width-1,y0,y1,z0,v0,width,height,depth,dim); + return CImg<T>(data+beg,width,y1-y0+1,1,1,true); + } + + const CImg<T> get_shared_lines(const unsigned int y0, const unsigned int y1, + const unsigned int z0=0, const unsigned int v0=0) const { + const unsigned long beg = offset(0,y0,z0,v0), end = offset(0,y1,z0,v0); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_lines() : Cannot return a shared-memory subset (0->%u,%u->%u,%u,%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),width-1,y0,y1,z0,v0,width,height,depth,dim); + return CImg<T>(data+beg,width,y1-y0+1,1,1,true); + } + + //! Return a shared-memory image referencing one particular line (y0,z0,v0) of the instance image. + CImg<T> get_shared_line(const unsigned int y0, const unsigned int z0=0, const unsigned int v0=0) { + return get_shared_lines(y0,y0,z0,v0); + } + + const CImg<T> get_shared_line(const unsigned int y0, const unsigned int z0=0, const unsigned int v0=0) const { + return get_shared_lines(y0,y0,z0,v0); + } + + //! Return a shared memory image referencing a set of planes (z0->z1,v0) of the instance image. + CImg<T> get_shared_planes(const unsigned int z0, const unsigned int z1, const unsigned int v0=0) { + const unsigned long beg = offset(0,0,z0,v0), end = offset(0,0,z1,v0); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_planes() : Cannot return a shared-memory subset (0->%u,0->%u,%u->%u,%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),width-1,height-1,z0,z1,v0,width,height,depth,dim); + return CImg<T>(data+beg,width,height,z1-z0+1,1,true); + } + + const CImg<T> get_shared_planes(const unsigned int z0, const unsigned int z1, const unsigned int v0=0) const { + const unsigned long beg = offset(0,0,z0,v0), end = offset(0,0,z1,v0); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_planes() : Cannot return a shared-memory subset (0->%u,0->%u,%u->%u,%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),width-1,height-1,z0,z1,v0,width,height,depth,dim); + return CImg<T>(data+beg,width,height,z1-z0+1,1,true); + } + + //! Return a shared-memory image referencing one plane (z0,v0) of the instance image. + CImg<T> get_shared_plane(const unsigned int z0, const unsigned int v0=0) { + return get_shared_planes(z0,z0,v0); + } + + const CImg<T> get_shared_plane(const unsigned int z0, const unsigned int v0=0) const { + return get_shared_planes(z0,z0,v0); + } + + //! Return a shared-memory image referencing a set of channels (v0->v1) of the instance image. + CImg<T> get_shared_channels(const unsigned int v0, const unsigned int v1) { + const unsigned long beg = offset(0,0,0,v0), end = offset(0,0,0,v1); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_channels() : Cannot return a shared-memory subset (0->%u,0->%u,0->%u,%u->%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),width-1,height-1,depth-1,v0,v1,width,height,depth,dim); + return CImg<T>(data+beg,width,height,depth,v1-v0+1,true); + } + + const CImg<T> get_shared_channels(const unsigned int v0, const unsigned int v1) const { + const unsigned long beg = offset(0,0,0,v0), end = offset(0,0,0,v1); + if (beg>end || beg>=size() || end>=size()) + throw CImgArgumentException("CImg<%s>::get_shared_channels() : Cannot return a shared-memory subset (0->%u,0->%u,0->%u,%u->%u) from " + "a (%u,%u,%u,%u) image.", + pixel_type(),width-1,height-1,depth-1,v0,v1,width,height,depth,dim); + return CImg<T>(data+beg,width,height,depth,v1-v0+1,true); + } + + //! Return a shared-memory image referencing one channel v0 of the instance image. + CImg<T> get_shared_channel(const unsigned int v0) { + return get_shared_channels(v0,v0); + } + + const CImg<T> get_shared_channel(const unsigned int v0) const { + return get_shared_channels(v0,v0); + } + + //! Return a shared version of the instance image. + CImg<T> get_shared() { + return CImg<T>(data,width,height,depth,dim,true); + } + + const CImg<T> get_shared() const { + return CImg<T>(data,width,height,depth,dim,true); + } + + //! Return a 2D representation of a 3D image, with three slices. + CImg<T>& projections2d(const unsigned int x0, const unsigned int y0, const unsigned int z0, + const int dx=-100, const int dy=-100, const int dz=-100) { + return get_projections2d(x0,y0,z0,dx,dy,dz).transfer_to(*this); + } + + CImg<T> get_projections2d(const unsigned int x0, const unsigned int y0, const unsigned int z0, + const int dx=-100, const int dy=-100, const int dz=-100) const { + if (is_empty()) return *this; + const unsigned int + nx0 = (x0>=width)?width-1:x0, + ny0 = (y0>=height)?height-1:y0, + nz0 = (z0>=depth)?depth-1:z0; + CImg<T> + imgxy(width,height,1,dim), + imgzy(depth,height,1,dim), + imgxz(width,depth,1,dim); + { cimg_forXYV(*this,x,y,k) imgxy(x,y,k) = (*this)(x,y,nz0,k); } + { cimg_forYZV(*this,y,z,k) imgzy(z,y,k) = (*this)(nx0,y,z,k); } + { cimg_forXZV(*this,x,z,k) imgxz(x,z,k) = (*this)(x,ny0,z,k); } + imgxy.resize(dx,dy,1,dim,1); + imgzy.resize(dz,dy,1,dim,1); + imgxz.resize(dx,dz,1,dim,1); + return CImg<T>(imgxy.width+imgzy.width,imgxy.height+imgxz.height,1,dim,0). + draw_image(imgxy).draw_image(imgxy.width,imgzy).draw_image(0,imgxy.height,imgxz); + } + + //! Compute the image histogram. + /** + The histogram H of an image I is a 1D-function where H(x) is the number of + occurences of the value x in I. + \param nblevels = Number of different levels of the computed histogram. + For classical images, this value is 256. You should specify more levels + if you are working with CImg<float> or images with high range of pixel values. + \param val_min = Minimum value considered for the histogram computation. All pixel values lower than val_min + won't be counted. + \param val_max = Maximum value considered for the histogram computation. All pixel values higher than val_max + won't be counted. + \note If val_min==val_max==0 (default values), the function first estimates the minimum and maximum + pixel values of the current image, then uses these values for the histogram computation. + \result The histogram is returned as a 1D CImg<float> image H, having a size of (nblevels,1,1,1) such that + H(0) and H(nblevels-1) are respectively equal to the number of occurences of the values val_min and val_max in I. + \note Histogram computation always returns a 1D function. Histogram of multi-valued (such as color) images + are not multi-dimensional. + **/ + CImg<T>& histogram(const unsigned int nblevels, const T val_min=(T)0, const T val_max=(T)0) { + return get_histogram(nblevels,val_min,val_max).transfer_to(*this); + } + + CImg<floatT> get_histogram(const unsigned int nblevels, const T val_min=(T)0, const T val_max=(T)0) const { + if (is_empty()) return CImg<floatT>(); + if (!nblevels) + throw CImgArgumentException("CImg<%s>::get_histogram() : Can't compute an histogram with 0 levels", + pixel_type()); + T vmin = val_min, vmax = val_max; + CImg<floatT> res(nblevels,1,1,1,0); + if (vmin>=vmax && vmin==0) vmin = minmax(vmax); + if (vmin<vmax) cimg_for(*this,ptr,T) { + const int pos = (int)((*ptr-vmin)*(nblevels-1)/(vmax-vmin)); + if (pos>=0 && pos<(int)nblevels) ++res[pos]; + } else res[0]+=size(); + return res; + } + + //! Compute the histogram-equalized version of the instance image. + /** + The histogram equalization is a classical image processing algorithm that enhances the image contrast + by expanding its histogram. + \param nblevels = Number of different levels of the computed histogram. + For classical images, this value is 256. You should specify more levels + if you are working with CImg<float> or images with high range of pixel values. + \param val_min = Minimum value considered for the histogram computation. All pixel values lower than val_min + won't be changed. + \param val_max = Maximum value considered for the histogram computation. All pixel values higher than val_max + won't be changed. + \note If val_min==val_max==0 (default values), the function acts on all pixel values of the image. + \return A new image with same size is returned, where pixels have been equalized. + **/ + CImg<T>& equalize(const unsigned int nblevels, const T val_min=(T)0, const T val_max=(T)0) { + if (is_empty()) return *this; + T vmin = val_min, vmax = val_max; + if (vmin==vmax && vmin==0) vmin = minmax(vmax); + if (vmin<vmax) { + CImg<floatT> hist = get_histogram(nblevels,vmin,vmax); + float cumul = 0; + cimg_forX(hist,pos) { cumul+=hist[pos]; hist[pos]=cumul; } + cimg_for(*this,ptr,T) { + const int pos = (unsigned int)((*ptr-vmin)*(nblevels-1)/(vmax-vmin)); + if (pos>=0 && pos<(int)nblevels) *ptr = (T)(vmin + (vmax-vmin)*hist[pos]/size()); + } + } + return *this; + } + + CImg<T> get_equalize(const unsigned int nblevels, const T val_min=(T)0, const T val_max=(T)0) const { + return (+*this).equalize(nblevels,val_min,val_max); + } + + //! Get a label map of disconnected regions with same intensities. + CImg<T>& label_regions() { + return get_label_regions().transfer_to(*this); + } + + CImg<uintT> get_label_regions() const { +#define _cimg_get_label_test(p,q) { \ + flag = true; \ + const T *ptr1 = ptr(x,y) + siz, *ptr2 = ptr(p,q) + siz; \ + for (unsigned int i = dim; flag && i; --i) { ptr1-=wh; ptr2-=wh; flag = (*ptr1==*ptr2); } \ +} + if (depth>1) + throw CImgInstanceException("CImg<%s>::label_regions() : Instance image must be a 2D image"); + CImg<uintT> res(width,height,depth,1,0); + unsigned int label = 1; + const unsigned int wh = width*height, siz = width*height*dim; + const int W1 = dimx()-1, H1 = dimy()-1; + bool flag; + cimg_forXY(*this,x,y) { + bool done = false; + if (y) { + _cimg_get_label_test(x,y-1); + if (flag) { + const unsigned int lab = (res(x,y) = res(x,y-1)); + done = true; + if (x && res(x-1,y)!=lab) { + _cimg_get_label_test(x-1,y); + if (flag) { + const unsigned int lold = res(x-1,y), *const cptr = res.ptr(x,y); + for (unsigned int *ptr = res.ptr(); ptr<cptr; ++ptr) if (*ptr==lold) *ptr = lab; + } + } + } + } + if (x && !done) { _cimg_get_label_test(x-1,y); if (flag) { res(x,y) = res(x-1,y); done = true; }} + if (!done) res(x,y) = label++; + } + { for (int y = H1; y>=0; --y) for (int x=W1; x>=0; --x) { + bool done = false; + if (y<H1) { + _cimg_get_label_test(x,y+1); + if (flag) { + const unsigned int lab = (res(x,y) = res(x,y+1)); + done = true; + if (x<W1 && res(x+1,y)!=lab) { + _cimg_get_label_test(x+1,y); + if (flag) { + const unsigned int lold = res(x+1,y), *const cptr = res.ptr(x,y); + for (unsigned int *ptr = res.ptr()+res.size()-1; ptr>cptr; --ptr) if (*ptr==lold) *ptr = lab; + } + } + } + } + if (x<W1 && !done) { _cimg_get_label_test(x+1,y); if (flag) res(x,y) = res(x+1,y); done = true; } + }} + const unsigned int lab0 = res.max()+1; + label = lab0; + cimg_foroff(res,off) { // Relabel regions + const unsigned int lab = res[off]; + if (lab<lab0) { cimg_for(res,ptr,unsigned int) if (*ptr==lab) *ptr = label; ++label; } + } + return (res-=lab0); + } + + //! Compute the scalar image of vector norms. + /** + When dealing with vector-valued images (i.e images with dimv()>1), this function computes the L1,L2 or Linf norm of each + vector-valued pixel. + \param norm_type = Type of the norm being computed (1 = L1, 2 = L2, -1 = Linf). + \return A scalar-valued image CImg<float> with size (dimx(),dimy(),dimz(),1), where each pixel is the norm + of the corresponding pixels in the original vector-valued image. + **/ + CImg<T>& pointwise_norm(int norm_type=2) { + return get_pointwise_norm(norm_type).transfer_to(*this); + } + + CImg<Tfloat> get_pointwise_norm(int norm_type=2) const { + if (is_empty()) return *this; + if (dim==1) return get_abs(); + CImg<Tfloat> res(width,height,depth); + switch (norm_type) { + case -1 : { // Linf norm + cimg_forXYZ(*this,x,y,z) { + Tfloat n = 0; cimg_forV(*this,v) { + const Tfloat tmp = (Tfloat)cimg::abs((*this)(x,y,z,v)); + if (tmp>n) n=tmp; res(x,y,z) = n; + } + } + } break; + case 1 : { // L1 norm + cimg_forXYZ(*this,x,y,z) { + Tfloat n = 0; cimg_forV(*this,v) n+=cimg::abs((*this)(x,y,z,v)); res(x,y,z) = n; + } + } break; + default : { // L2 norm + cimg_forXYZ(*this,x,y,z) { + Tfloat n = 0; cimg_forV(*this,v) n+=(*this)(x,y,z,v)*(*this)(x,y,z,v); res(x,y,z) = (Tfloat)cimg_std::sqrt((double)n); + } + } + } + return res; + } + + //! Compute the image of normalized vectors. + /** + When dealing with vector-valued images (i.e images with dimv()>1), this function return the image of normalized vectors + (unit vectors). Null vectors are unchanged. The L2-norm is computed for the normalization. + \return A new vector-valued image with same size, where each vector-valued pixels have been normalized. + **/ + CImg<T>& pointwise_orientation() { + cimg_forXYZ(*this,x,y,z) { + float n = 0; + cimg_forV(*this,v) n+=(float)((*this)(x,y,z,v)*(*this)(x,y,z,v)); + n = (float)cimg_std::sqrt(n); + if (n>0) cimg_forV(*this,v) (*this)(x,y,z,v) = (T)((*this)(x,y,z,v)/n); + else cimg_forV(*this,v) (*this)(x,y,z,v) = 0; + } + return *this; + } + + CImg<Tfloat> get_pointwise_orientation() const { + if (is_empty()) return *this; + return CImg<Tfloat>(*this,false).pointwise_orientation(); + } + + //! Split image into a list. + CImgList<T> get_split(const char axis, const unsigned int nb=0) const { + if (is_empty()) return CImgList<T>(); + CImgList<T> res; + switch (cimg::uncase(axis)) { + case 'x' : { + if (nb>width) + throw CImgArgumentException("CImg<%s>::get_split() : Cannot split instance image (%u,%u,%u,%u,%p) along 'x' into %u images.", + pixel_type(),width,height,depth,dim,data,nb); + res.assign(nb?nb:width); + const unsigned int delta = (unsigned int)cimg::round((float)width/res.size,1); + unsigned int l, x; + for (l = 0, x = 0; l<res.size-1; ++l, x+=delta) res[l] = get_crop(x,0,0,0,x+delta-1,height-1,depth-1,dim-1); + res[res.size-1] = get_crop(x,0,0,0,width-1,height-1,depth-1,dim-1); + } break; + case 'y' : { + if (nb>height) + throw CImgArgumentException("CImg<%s>::get_split() : Cannot split instance image (%u,%u,%u,%u,%p) along 'y' into %u images.", + pixel_type(),width,height,depth,dim,data,nb); + res.assign(nb?nb:height); + const unsigned int delta = (unsigned int)cimg::round((float)height/res.size,1); + unsigned int l, y; + for (l = 0, y = 0; l<res.size-1; ++l, y+=delta) res[l] = get_crop(0,y,0,0,width-1,y+delta-1,depth-1,dim-1); + res[res.size-1] = get_crop(0,y,0,0,width-1,height-1,depth-1,dim-1); + } break; + case 'z' : { + if (nb>depth) + throw CImgArgumentException("CImg<%s>::get_split() : Cannot split instance image (%u,%u,%u,%u,%p) along 'z' into %u images.", + pixel_type(),width,height,depth,dim,data,nb); + res.assign(nb?nb:depth); + const unsigned int delta = (unsigned int)cimg::round((float)depth/res.size,1); + unsigned int l, z; + for (l = 0, z = 0; l<res.size-1; ++l, z+=delta) res[l] = get_crop(0,0,z,0,width-1,height-1,z+delta-1,dim-1); + res[res.size-1] = get_crop(0,0,z,0,width-1,height-1,depth-1,dim-1); + } break; + case 'v' : { + if (nb>dim) + throw CImgArgumentException("CImg<%s>::get_split() : Cannot split instance image (%u,%u,%u,%u,%p) along 'v' into %u images.", + pixel_type(),width,height,depth,dim,data,nb); + res.assign(nb?nb:dim); + const unsigned int delta = (unsigned int)cimg::round((float)dim/res.size,1); + unsigned int l, v; + for (l = 0, v = 0; l<res.size-1; ++l, v+=delta) res[l] = get_crop(0,0,0,v,width-1,height-1,depth-1,v+delta-1); + res[res.size-1] = get_crop(0,0,0,v,width-1,height-1,depth-1,dim-1); + } break; + default : + throw CImgArgumentException("CImg<%s>::get_split() : Unknow axis '%c', must be 'x','y','z' or 'v'", + pixel_type(),axis); + } + return res; + } + + // Split image into a list of vectors, according to a given splitting value. + CImgList<T> get_split(const T value, const bool keep_values, const bool shared) const { + CImgList<T> res; + const T *ptr0 = data, *const ptr_end = data + size(); + while (ptr0<ptr_end) { + const T *ptr1 = ptr0; + while (ptr1<ptr_end && *ptr1==value) ++ptr1; + const unsigned int siz0 = ptr1 - ptr0; + if (siz0 && keep_values) res.insert(CImg<T>(ptr0,1,siz0,1,1,shared)); + ptr0 = ptr1; + while (ptr1<ptr_end && *ptr1!=value) ++ptr1; + const unsigned int siz1 = ptr1 - ptr0; + if (siz1) res.insert(CImg<T>(ptr0,1,siz1,1,1,shared),~0U,shared); + ptr0 = ptr1; + } + return res; + } + + //! Append an image to another one. + CImg<T>& append(const CImg<T>& img, const char axis, const char align='p') { + if (!img) return *this; + if (is_empty()) return (*this=img); + return get_append(img,axis,align).transfer_to(*this); + } + + CImg<T> get_append(const CImg<T>& img, const char axis, const char align='p') const { + if (!img) return *this; + if (is_empty()) return img; + CImgList<T> temp(2); + temp[0].width = width; temp[0].height = height; temp[0].depth = depth; + temp[0].dim = dim; temp[0].data = data; + temp[1].width = img.width; temp[1].height = img.height; temp[1].depth = img.depth; + temp[1].dim = img.dim; temp[1].data = img.data; + const CImg<T> res = temp.get_append(axis,align); + temp[0].width = temp[0].height = temp[0].depth = temp[0].dim = 0; temp[0].data = 0; + temp[1].width = temp[1].height = temp[1].depth = temp[1].dim = 0; temp[1].data = 0; + return res; + } + + //! Compute the list of images, corresponding to the XY-gradients of an image. + /** + \param scheme = Numerical scheme used for the gradient computation : + - -1 = Backward finite differences + - 0 = Centered finite differences + - 1 = Forward finite differences + - 2 = Using Sobel masks + - 3 = Using rotation invariant masks + - 4 = Using Deriche recusrsive filter. + **/ + CImgList<Tfloat> get_gradient(const char *const axes=0, const int scheme=3) const { + CImgList<Tfloat> grad(2,width,height,depth,dim); + bool threed = false; + if (axes) { + for (unsigned int a = 0; axes[a]; ++a) { + const char axis = cimg::uncase(axes[a]); + switch (axis) { + case 'x' : case 'y' : break; + case 'z' : threed = true; break; + default : + throw CImgArgumentException("CImg<%s>::get_gradient() : Unknown specified axis '%c'.", + pixel_type(),axis); + } + } + } else threed = (depth>1); + if (threed) { + grad.insert(1); grad[2].assign(width,height,depth,dim); + switch (scheme) { // Compute 3D gradient + case -1 : { // backward finite differences + CImg_3x3x3(I,T); + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) { + grad[0](x,y,z,k) = (Tfloat)Iccc - Ipcc; + grad[1](x,y,z,k) = (Tfloat)Iccc - Icpc; + grad[2](x,y,z,k) = (Tfloat)Iccc - Iccp; + } + } break; + case 1 : { // forward finite differences + CImg_2x2x2(I,T); + cimg_forV(*this,k) cimg_for2x2x2(*this,x,y,z,k,I) { + grad[0](x,y,z,k) = (Tfloat)Incc - Iccc; + grad[1](x,y,z,k) = (Tfloat)Icnc - Iccc; + grad[2](x,y,z,k) = (Tfloat)Iccn - Iccc; + } + } break; + case 4 : { // using Deriche filter with low standard variation + grad[0] = get_deriche(0,1,'x'); + grad[1] = get_deriche(0,1,'y'); + grad[2] = get_deriche(0,1,'z'); + } break; + default : { // central finite differences + CImg_3x3x3(I,T); + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) { + grad[0](x,y,z,k) = 0.5f*((Tfloat)Incc - Ipcc); + grad[1](x,y,z,k) = 0.5f*((Tfloat)Icnc - Icpc); + grad[2](x,y,z,k) = 0.5f*((Tfloat)Iccn - Iccp); + } + } + } + } else switch (scheme) { // Compute 2D-gradient + case -1 : { // backward finite differences + CImg_3x3(I,T); + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) { + grad[0](x,y,z,k) = (Tfloat)Icc - Ipc; + grad[1](x,y,z,k) = (Tfloat)Icc - Icp; + } + } break; + case 1 : { // forward finite differences + CImg_2x2(I,T); + cimg_forZV(*this,z,k) cimg_for2x2(*this,x,y,z,k,I) { + grad[0](x,y,0,k) = (Tfloat)Inc - Icc; + grad[1](x,y,z,k) = (Tfloat)Icn - Icc; + } + } break; + case 2 : { // using Sobel mask + CImg_3x3(I,T); + const Tfloat a = 1, b = 2; + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) { + grad[0](x,y,z,k) = -a*Ipp - b*Ipc - a*Ipn + a*Inp + b*Inc + a*Inn; + grad[1](x,y,z,k) = -a*Ipp - b*Icp - a*Inp + a*Ipn + b*Icn + a*Inn; + } + } break; + case 3 : { // using rotation invariant mask + CImg_3x3(I,T); + const Tfloat a = (Tfloat)(0.25f*(2-cimg_std::sqrt(2.0f))), b = (Tfloat)(0.5f*(cimg_std::sqrt(2.0f)-1)); + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) { + grad[0](x,y,z,k) = -a*Ipp - b*Ipc - a*Ipn + a*Inp + b*Inc + a*Inn; + grad[1](x,y,z,k) = -a*Ipp - b*Icp - a*Inp + a*Ipn + b*Icn + a*Inn; + } + } break; + case 4 : { // using Deriche filter with low standard variation + grad[0] = get_deriche(0,1,'x'); + grad[1] = get_deriche(0,1,'y'); + } break; + default : { // central finite differences + CImg_3x3(I,T); + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) { + grad[0](x,y,z,k) = 0.5f*((Tfloat)Inc - Ipc); + grad[1](x,y,z,k) = 0.5f*((Tfloat)Icn - Icp); + } + } + } + if (!axes) return grad; + CImgList<Tfloat> res; + for (unsigned int l = 0; axes[l]; ++l) { + const char axis = cimg::uncase(axes[l]); + switch (axis) { + case 'x' : res.insert(grad[0]); break; + case 'y' : res.insert(grad[1]); break; + case 'z' : res.insert(grad[2]); break; + } + } + grad.assign(); + return res; + } + + //! Compute the structure tensor field of an image. + CImg<T>& structure_tensor(const bool central_scheme=false) { + return get_structure_tensor(central_scheme).transfer_to(*this); + } + + CImg<Tfloat> get_structure_tensor(const bool central_scheme=false) const { + if (is_empty()) return *this; + CImg<Tfloat> res; + if (depth>1) { // 3D version + res.assign(width,height,depth,6,0); + CImg_3x3x3(I,T); + if (central_scheme) cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) { // classical central finite differences + const Tfloat + ix = 0.5f*((Tfloat)Incc - Ipcc), + iy = 0.5f*((Tfloat)Icnc - Icpc), + iz = 0.5f*((Tfloat)Iccn - Iccp); + res(x,y,z,0)+=ix*ix; + res(x,y,z,1)+=ix*iy; + res(x,y,z,2)+=ix*iz; + res(x,y,z,3)+=iy*iy; + res(x,y,z,4)+=iy*iz; + res(x,y,z,5)+=iz*iz; + } else cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) { // Precise forward/backward finite differences + const Tfloat + ixf = (Tfloat)Incc - Iccc, ixb = (Tfloat)Iccc - Ipcc, + iyf = (Tfloat)Icnc - Iccc, iyb = (Tfloat)Iccc - Icpc, + izf = (Tfloat)Iccn - Iccc, izb = (Tfloat)Iccc - Iccp; + res(x,y,z,0) += 0.5f*(ixf*ixf + ixb*ixb); + res(x,y,z,1) += 0.25f*(ixf*iyf + ixf*iyb + ixb*iyf + ixb*iyb); + res(x,y,z,2) += 0.25f*(ixf*izf + ixf*izb + ixb*izf + ixb*izb); + res(x,y,z,3) += 0.5f*(iyf*iyf + iyb*iyb); + res(x,y,z,4) += 0.25f*(iyf*izf + iyf*izb + iyb*izf + iyb*izb); + res(x,y,z,5) += 0.5f*(izf*izf + izb*izb); + } + } else { // 2D version + res.assign(width,height,depth,3,0); + CImg_3x3(I,T); + if (central_scheme) cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) { // classical central finite differences + const Tfloat + ix = 0.5f*((Tfloat)Inc - Ipc), + iy = 0.5f*((Tfloat)Icn - Icp); + res(x,y,0,0)+=ix*ix; + res(x,y,0,1)+=ix*iy; + res(x,y,0,2)+=iy*iy; + } else cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) { // Precise forward/backward finite differences + const Tfloat + ixf = (Tfloat)Inc - Icc, ixb = (Tfloat)Icc - Ipc, + iyf = (Tfloat)Icn - Icc, iyb = (Tfloat)Icc - Icp; + res(x,y,0,0) += 0.5f*(ixf*ixf+ixb*ixb); + res(x,y,0,1) += 0.25f*(ixf*iyf+ixf*iyb+ixb*iyf+ixb*iyb); + res(x,y,0,2) += 0.5f*(iyf*iyf+iyb*iyb); + } + } + return res; + } + + //! Get components of the Hessian matrix of an image. + CImgList<Tfloat> get_hessian(const char *const axes=0) const { + const char *naxes = axes, *const def_axes2d = "xxxyyy", *const def_axes3d = "xxxyxzyyyzzz"; + if (!axes) naxes = depth>1?def_axes3d:def_axes2d; + CImgList<Tfloat> res; + const int lmax = cimg::strlen(naxes); + if (lmax%2) + throw CImgArgumentException("CImg<%s>::get_hessian() : Incomplete parameter axes = '%s'.", + pixel_type(),naxes); + res.assign(lmax/2,width,height,depth,dim); + if (!cimg::strcasecmp(naxes,def_axes3d)) { // Default 3D version + CImg_3x3x3(I,T); + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) { + res[0](x,y,z,k) = (Tfloat)Ipcc + Incc - 2*Iccc; // Ixx + res[1](x,y,z,k) = 0.25f*((Tfloat)Ippc + Innc - Ipnc - Inpc); // Ixy + res[2](x,y,z,k) = 0.25f*((Tfloat)Ipcp + Incn - Ipcn - Incp); // Ixz + res[3](x,y,z,k) = (Tfloat)Icpc + Icnc - 2*Iccc; // Iyy + res[4](x,y,z,k) = 0.25f*((Tfloat)Icpp + Icnn - Icpn - Icnp); // Iyz + res[5](x,y,z,k) = (Tfloat)Iccn + Iccp - 2*Iccc; // Izz + } + } else if (!cimg::strcasecmp(naxes,def_axes2d)) { // Default 2D version + CImg_3x3(I,T); + cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) { + res[0](x,y,0,k) = (Tfloat)Ipc + Inc - 2*Icc; // Ixx + res[1](x,y,0,k) = 0.25f*((Tfloat)Ipp + Inn - Ipn - Inp); // Ixy + res[2](x,y,0,k) = (Tfloat)Icp + Icn - 2*Icc; // Iyy + } + } else for (int l = 0; l<lmax; ) { // Version with custom axes. + const int l2 = l/2; + char axis1 = naxes[l++], axis2 = naxes[l++]; + if (axis1>axis2) cimg::swap(axis1,axis2); + bool valid_axis = false; + if (axis1=='x' && axis2=='x') { // Ixx + valid_axis = true; CImg_3x3(I,T); + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) res[l2](x,y,z,k) = (Tfloat)Ipc + Inc - 2*Icc; + } + else if (axis1=='x' && axis2=='y') { // Ixy + valid_axis = true; CImg_3x3(I,T); + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) res[l2](x,y,z,k) = 0.25f*((Tfloat)Ipp + Inn - Ipn - Inp); + } + else if (axis1=='x' && axis2=='z') { // Ixz + valid_axis = true; CImg_3x3x3(I,T); + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) res[l2](x,y,z,k) = 0.25f*((Tfloat)Ipcp + Incn - Ipcn - Incp); + } + else if (axis1=='y' && axis2=='y') { // Iyy + valid_axis = true; CImg_3x3(I,T); + cimg_forZV(*this,z,k) cimg_for3x3(*this,x,y,z,k,I) res[l2](x,y,z,k) = (Tfloat)Icp + Icn - 2*Icc; + } + else if (axis1=='y' && axis2=='z') { // Iyz + valid_axis = true; CImg_3x3x3(I,T); + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) res[l2](x,y,z,k) = 0.25f*((Tfloat)Icpp + Icnn - Icpn - Icnp); + } + else if (axis1=='z' && axis2=='z') { // Izz + valid_axis = true; CImg_3x3x3(I,T); + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) res[l2](x,y,z,k) = (Tfloat)Iccn + Iccp - 2*Iccc; + } + else if (!valid_axis) throw CImgArgumentException("CImg<%s>::get_hessian() : Invalid parameter axes = '%s'.", + pixel_type(),naxes); + } + return res; + } + + //! Compute distance function from 0-valued isophotes by the application of an Hamilton-Jacobi PDE. + CImg<T>& distance_hamilton(const unsigned int nb_iter, const float band_size=0, const float precision=0.5f) { + if (is_empty()) return *this; + CImg<Tfloat> veloc(*this); + for (unsigned int iter = 0; iter<nb_iter; ++iter) { + veloc.fill(0); + if (depth>1) { // 3D version + CImg_3x3x3(I,T); + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) if (band_size<=0 || cimg::abs(Iccc)<band_size) { + const Tfloat + gx = 0.5f*((Tfloat)Incc - Ipcc), + gy = 0.5f*((Tfloat)Icnc - Icpc), + gz = 0.5f*((Tfloat)Iccn - Iccp), + sgn = -cimg::sign((Tfloat)Iccc), + ix = gx*sgn>0?(Tfloat)Incc - Iccc:(Tfloat)Iccc - Ipcc, + iy = gy*sgn>0?(Tfloat)Icnc - Iccc:(Tfloat)Iccc - Icpc, + iz = gz*sgn>0?(Tfloat)Iccn - Iccc:(Tfloat)Iccc - Iccp, + ng = 1e-5f + (Tfloat)cimg_std::sqrt(gx*gx + gy*gy + gz*gz), + ngx = gx/ng, + ngy = gy/ng, + ngz = gz/ng; + veloc(x,y,z,k) = sgn*(ngx*ix + ngy*iy + ngz*iz - 1); + } + } else { // 2D version + CImg_3x3(I,T); + cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) if (band_size<=0 || cimg::abs(Icc)<band_size) { + const Tfloat + gx = 0.5f*((Tfloat)Inc - Ipc), + gy = 0.5f*((Tfloat)Icn - Icp), + sgn = -cimg::sign((Tfloat)Icc), + ix = gx*sgn>0?(Tfloat)Inc - Icc:(Tfloat)Icc - Ipc, + iy = gy*sgn>0?(Tfloat)Icn - Icc:(Tfloat)Icc - Icp, + ng = 1e-5f + (Tfloat)cimg_std::sqrt(gx*gx + gy*gy), + ngx = gx/ng, + ngy = gy/ng; + veloc(x,y,k) = sgn*(ngx*ix + ngy*iy - 1); + } + } + float m, M = (float)veloc.maxmin(m), xdt = precision/(float)cimg::max(cimg::abs(m),cimg::abs(M)); + *this+=(veloc*=xdt); + } + return *this; + } + + CImg<Tfloat> get_distance_hamilton(const unsigned int nb_iter, const float band_size=0, const float precision=0.5f) const { + return CImg<Tfloat>(*this,false).distance_hamilton(nb_iter,band_size,precision); + } + + //! Compute the Euclidean distance map to a shape of specified isovalue. + CImg<T>& distance(const T isovalue, + const float sizex=1, const float sizey=1, const float sizez=1, + const bool compute_sqrt=true) { + return get_distance(isovalue,sizex,sizey,sizez,compute_sqrt).transfer_to(*this); + } + + CImg<floatT> get_distance(const T isovalue, + const float sizex=1, const float sizey=1, const float sizez=1, + const bool compute_sqrt=true) const { + if (is_empty()) return *this; + const int dx = dimx(), dy = dimy(), dz = dimz(); + CImg<floatT> res(dx,dy,dz,dim); + const float maxdist = (float)cimg_std::sqrt((float)dx*dx + dy*dy + dz*dz); + cimg_forV(*this,k) { + bool is_isophote = false; + + if (depth>1) { // 3D version + { cimg_forYZ(*this,y,z) { + if ((*this)(0,y,z,k)==isovalue) { is_isophote = true; res(0,y,z,k) = 0; } else res(0,y,z,k) = maxdist; + for (int x = 1; x<dx; ++x) if ((*this)(x,y,z,k)==isovalue) { is_isophote = true; res(x,y,z,k) = 0; } + else res(x,y,z,k) = res(x-1,y,z,k) + sizex; + { for (int x = dx-2; x>=0; --x) if (res(x+1,y,z,k)<res(x,y,z,k)) res(x,y,z,k) = res(x+1,y,z,k) + sizex; } + }} + if (!is_isophote) { res.get_shared_channel(k).fill(cimg::type<float>::max()); continue; } + CImg<floatT> tmp(cimg::max(dy,dz)); + CImg<intT> s(tmp.width), t(s.width); + { cimg_forXZ(*this,x,z) { + { cimg_forY(*this,y) tmp[y] = res(x,y,z,k); } + int q = s[0] = t[0] = 0; + { for (int y = 1; y<dy; ++y) { + const float val = tmp[y], val2 = val*val; + while (q>=0 && _distance_f(t[q],s[q],cimg::sqr(tmp[s[q]]),sizey)>_distance_f(t[q],y,val2,sizey)) --q; + if (q<0) { q = 0; s[0] = y; } + else { + const int w = 1 + _distance_sep(s[q],y,(int)cimg::sqr(tmp[s[q]]),(int)val2,sizey); + if (w<dy) { s[++q] = y; t[q] = w; } + } + }} + { for (int y = dy - 1; y>=0; --y) { + res(x,y,z,k) = _distance_f(y,s[q],cimg::sqr(tmp[s[q]]),sizey); + if (y==t[q]) --q; + }} + }} + { cimg_forXY(*this,x,y) { + { cimg_forZ(*this,z) tmp[z] = res(x,y,z,k); } + int q = s[0] = t[0] = 0; + { for (int z = 1; z<dz; ++z) { + const float val = tmp[z]; + while (q>=0 && _distance_f(t(q),s[q],tmp[s[q]],sizez)>_distance_f(t[q],z,tmp[z],sizez)) --q; + if (q<0) { q = 0; s[0] = z; } + else { + const int w = 1 + _distance_sep(s[q],z,(int)tmp[s[q]],(int)val,sizez); + if (w<dz) { s[++q] = z; t[q] = w; } + } + }} + { for (int z = dz - 1; z>=0; --z) { + const float val = _distance_f(z,s[q],tmp[s[q]],sizez); + res(x,y,z,k) = compute_sqrt?(float)cimg_std::sqrt(val):val; + if (z==t[q]) --q; + }} + }} + } else { // 2D version (with small optimizations) + cimg_forX(*this,x) { + const T *ptrs = ptr(x,0,0,k); + float *ptrd = res.ptr(x,0,0,k), d = *ptrd = *ptrs==isovalue?(is_isophote=true),0:maxdist; + for (int y = 1; y<dy; ++y) { ptrs+=width; ptrd+=width; d = *ptrd = *ptrs==isovalue?(is_isophote=true),0:d+sizey; } + { for (int y = dy - 2; y>=0; --y) { ptrd-=width; if (d<*ptrd) *ptrd = (d+=sizey); else d = *ptrd; }} + } + if (!is_isophote) { res.get_shared_channel(k).fill(cimg::type<float>::max()); continue; } + CImg<floatT> tmp(dx); + CImg<intT> s(dx), t(dx); + cimg_forY(*this,y) { + float *ptmp = tmp.ptr(); + cimg_std::memcpy(ptmp,res.ptr(0,y,0,k),sizeof(float)*dx); + int q = s[0] = t[0] = 0; + for (int x = 1; x<dx; ++x) { + const float val = *(++ptmp), val2 = val*val; + while (q>=0 && _distance_f(t[q],s[q],cimg::sqr(tmp[s[q]]),sizex)>_distance_f(t[q],x,val2,sizex)) --q; + if (q<0) { q = 0; s[0] = x; } + else { + const int w = 1 + _distance_sep(s[q],x,(int)cimg::sqr(tmp[s[q]]),(int)val2,sizex); + if (w<dx) { q++; s[q] = x; t[q] = w; } + } + } + float *pres = res.ptr(0,y,0,k) + width; + { for (int x = dx - 1; x>=0; --x) { + const float val = _distance_f(x,s[q],cimg::sqr(tmp[s[q]]),sizex); + *(--pres) = compute_sqrt?(float)cimg_std::sqrt(val):val; + if (x==t[q]) --q; + }} + } + } + } + return res; + } + + static float _distance_f(const int x, const int i, const float gi2, const float fact) { + const float xmi = fact*((float)x - i); + return xmi*xmi + gi2; + } + static int _distance_sep(const int i, const int u, const int gi2, const int gu2, const float fact) { + const float fact2 = fact*fact; + return (int)(fact2*(u*u - i*i) + gu2 - gi2)/(int)(2*fact2*(u - i)); + } + + //! Compute minimal path in a graph, using the Dijkstra algorithm. + /** + \param distance An object having operator()(unsigned int i, unsigned int j) which returns distance between two nodes (i,j). + \param nb_nodes Number of graph nodes. + \param starting_node Indice of the starting node. + \param ending_node Indice of the ending node (set to ~0U to ignore ending node). + \param previous Array that gives the previous node indice in the path to the starting node (optional parameter). + \return Array of distances of each node to the starting node. + **/ + template<typename tf, typename t> + static CImg<T> dijkstra(const tf& distance, const unsigned int nb_nodes, + const unsigned int starting_node, const unsigned int ending_node, + CImg<t>& previous) { + + CImg<T> dist(1,nb_nodes,1,1,cimg::type<T>::max()); + dist(starting_node) = 0; + previous.assign(1,nb_nodes,1,1,(t)-1); + previous(starting_node) = (t)starting_node; + CImg<uintT> Q(nb_nodes); + cimg_forX(Q,u) Q(u) = u; + cimg::swap(Q(starting_node),Q(0)); + unsigned int sizeQ = nb_nodes; + while (sizeQ) { + // Update neighbors from minimal vertex + const unsigned int umin = Q(0); + if (umin==ending_node) sizeQ = 0; + else { + const T dmin = dist(umin); + const T infty = cimg::type<T>::max(); + for (unsigned int q=1; q<sizeQ; ++q) { + const unsigned int v = Q(q); + const T d = (T)distance(v,umin); + if (d<infty) { + const T alt = dmin + d; + if (alt<dist(v)) { + dist(v) = alt; + previous(v) = (t)umin; + const T distpos = dist(Q(q)); + for (unsigned int pos = q, par = 0; pos && distpos<dist(Q(par=(pos+1)/2-1)); pos=par) cimg::swap(Q(pos),Q(par)); + } + } + } + // Remove minimal vertex from queue + Q(0) = Q(--sizeQ); + const T distpos = dist(Q(0)); + for (unsigned int pos = 0, left = 0, right = 0; + ((right=2*(pos+1),(left=right-1))<sizeQ && distpos>dist(Q(left))) || (right<sizeQ && distpos>dist(Q(right)));) { + if (right<sizeQ) { + if (dist(Q(left))<dist(Q(right))) { cimg::swap(Q(pos),Q(left)); pos = left; } + else { cimg::swap(Q(pos),Q(right)); pos = right; } + } else { cimg::swap(Q(pos),Q(left)); pos = left; } + } + } + } + return dist; + } + + //! Return minimal path in a graph, using the Dijkstra algorithm. + template<typename tf, typename t> + static CImg<T> dijkstra(const tf& distance, const unsigned int nb_nodes, + const unsigned int starting_node, const unsigned int ending_node=~0U) { + CImg<uintT> foo; + return dijkstra(distance,nb_nodes,starting_node,ending_node,foo); + } + + //! Return minimal path in a graph, using the Dijkstra algorithm. + /** + Instance image corresponds to the adjacency matrix of the graph. + \param starting_node Indice of the starting node. + \param previous Array that gives the previous node indice in the path to the starting node (optional parameter). + \return Array of distances of each node to the starting node. + **/ + template<typename t> + CImg<T>& dijkstra(const unsigned int starting_node, const unsigned int ending_node, CImg<t>& previous) { + return get_dijkstra(starting_node,ending_node,previous).transfer_to(*this); + } + + template<typename t> + CImg<T> get_dijkstra(const unsigned int starting_node, const unsigned int ending_node, CImg<t>& previous) const { + if (width!=height || depth!=1 || dim!=1) + throw CImgInstanceException("CImg<%s>::dijkstra() : Instance image (%u,%u,%u,%u,%p) is not a graph adjacency matrix", + pixel_type(),width,height,depth,dim,data); + return dijkstra(*this,width,starting_node,ending_node,previous); + } + + //! Return minimal path in a graph, using the Dijkstra algorithm. + CImg<T>& dijkstra(const unsigned int starting_node, const unsigned int ending_node=~0U) { + return get_dijkstra(starting_node,ending_node).transfer_to(*this); + } + + CImg<Tfloat> get_dijkstra(const unsigned int starting_node, const unsigned int ending_node=~0U) const { + CImg<uintT> foo; + return get_dijkstra(starting_node,ending_node,foo); + } + + //@} + //------------------------------------- + // + //! \name Meshes and Triangulations + //@{ + //------------------------------------- + + //! Return a 3D centered cube. + template<typename tf> + static CImg<floatT> cube3d(CImgList<tf>& primitives, const float size=100) { + const double s = size/2.0; + primitives.assign(6,1,4,1,1, 0,3,2,1, 4,5,6,7, 0,1,5,4, 3,7,6,2, 0,4,7,3, 1,2,6,5); + return CImg<floatT>(8,3,1,1, + -s,s,s,-s,-s,s,s,-s, + -s,-s,s,s,-s,-s,s,s, + -s,-s,-s,-s,s,s,s,s); + } + + //! Return a 3D centered cuboid. + template<typename tf> + static CImg<floatT> cuboid3d(CImgList<tf>& primitives, const float sizex=200, + const float sizey=100, const float sizez=100) { + const double sx = sizex/2.0, sy = sizey/2.0, sz = sizez/2.0; + primitives.assign(6,1,4,1,1, 0,3,2,1, 4,5,6,7, 0,1,5,4, 3,7,6,2, 0,4,7,3, 1,2,6,5); + return CImg<floatT>(8,3,1,1, + -sx,sx,sx,-sx,-sx,sx,sx,-sx, + -sy,-sy,sy,sy,-sy,-sy,sy,sy, + -sz,-sz,-sz,-sz,sz,sz,sz,sz); + } + + //! Return a 3D centered cone. + template<typename tf> + static CImg<floatT> cone3d(CImgList<tf>& primitives, const float radius=50, const float height=100, + const unsigned int subdivisions=24, const bool symetrize=false) { + primitives.assign(); + if (!subdivisions) return CImg<floatT>(); + const double r = (double)radius, h = (double)height/2; + CImgList<floatT> points(2,1,3,1,1, + 0.0,0.0,h, + 0.0,0.0,-h); + const float delta = 360.0f/subdivisions, nh = symetrize?0:-(float)h; + for (float angle = 0; angle<360; angle+=delta) { + const float a = (float)(angle*cimg::valuePI/180); + points.insert(CImg<floatT>::vector((float)(r*cimg_std::cos(a)),(float)(r*cimg_std::sin(a)),nh)); + } + const unsigned int nbr = points.size-2; + for (unsigned int p = 0; p<nbr; ++p) { + const unsigned int curr = 2+p, next = 2+((p+1)%nbr); + primitives.insert(CImg<tf>::vector(1,next,curr)). + insert(CImg<tf>::vector(0,curr,next)); + } + return points.get_append('x'); + } + + //! Return a 3D centered cylinder. + template<typename tf> + static CImg<floatT> cylinder3d(CImgList<tf>& primitives, const float radius=50, const float height=100, + const unsigned int subdivisions=24) { + primitives.assign(); + if (!subdivisions) return CImg<floatT>(); + const double r = (double)radius, h = (double)height/2; + CImgList<floatT> points(2,1,3,1,1, + 0.0,0.0,-h, + 0.0,0.0,h); + + const float delta = 360.0f/subdivisions; + for (float angle = 0; angle<360; angle+=delta) { + const float a = (float)(angle*cimg::valuePI/180); + points.insert(CImg<floatT>::vector((float)(r*cimg_std::cos(a)),(float)(r*cimg_std::sin(a)),-(float)h)); + points.insert(CImg<floatT>::vector((float)(r*cimg_std::cos(a)),(float)(r*cimg_std::sin(a)),(float)h)); + } + const unsigned int nbr = (points.size-2)/2; + for (unsigned int p = 0; p<nbr; ++p) { + const unsigned int curr = 2+2*p, next = 2+(2*((p+1)%nbr)); + primitives.insert(CImg<tf>::vector(0,next,curr)). + insert(CImg<tf>::vector(1,curr+1,next+1)). + insert(CImg<tf>::vector(curr,next,next+1,curr+1)); + } + return points.get_append('x'); + } + + //! Return a 3D centered torus. + template<typename tf> + static CImg<floatT> torus3d(CImgList<tf>& primitives, const float radius1=100, const float radius2=30, + const unsigned int subdivisions1=24, const unsigned int subdivisions2=12) { + primitives.assign(); + if (!subdivisions1 || !subdivisions2) return CImg<floatT>(); + CImgList<floatT> points; + for (unsigned int v = 0; v<subdivisions1; ++v) { + const float + beta = (float)(v*2*cimg::valuePI/subdivisions1), + xc = radius1*(float)cimg_std::cos(beta), + yc = radius1*(float)cimg_std::sin(beta); + for (unsigned int u=0; u<subdivisions2; ++u) { + const float + alpha = (float)(u*2*cimg::valuePI/subdivisions2), + x = xc + radius2*(float)(cimg_std::cos(alpha)*cimg_std::cos(beta)), + y = yc + radius2*(float)(cimg_std::cos(alpha)*cimg_std::sin(beta)), + z = radius2*(float)cimg_std::sin(alpha); + points.insert(CImg<floatT>::vector(x,y,z)); + } + } + for (unsigned int vv = 0; vv<subdivisions1; ++vv) { + const unsigned int nv = (vv+1)%subdivisions1; + for (unsigned int uu = 0; uu<subdivisions2; ++uu) { + const unsigned int nu = (uu+1)%subdivisions2, svv = subdivisions2*vv, snv = subdivisions2*nv; + primitives.insert(CImg<tf>::vector(svv+nu,svv+uu,snv+uu)); + primitives.insert(CImg<tf>::vector(svv+nu,snv+uu,snv+nu)); + } + } + return points.get_append('x'); + } + + //! Return a 3D centered XY plane. + template<typename tf> + static CImg<floatT> plane3d(CImgList<tf>& primitives, const float sizex=100, const float sizey=100, + const unsigned int subdivisionsx=3, const unsigned int subdivisionsy=3, + const bool double_sided=false) { + primitives.assign(); + if (!subdivisionsx || !subdivisionsy) return CImg<floatT>(); + CImgList<floatT> points; + const unsigned int w = subdivisionsx + 1, h = subdivisionsy + 1; + const float w2 = subdivisionsx/2.0f, h2 = subdivisionsy/2.0f, fx = (float)sizex/w, fy = (float)sizey/h; + for (unsigned int yy = 0; yy<h; ++yy) + for (unsigned int xx = 0; xx<w; ++xx) + points.insert(CImg<floatT>::vector(fx*(xx-w2),fy*(yy-h2),0)); + for (unsigned int y = 0; y<subdivisionsy; ++y) for (unsigned int x = 0; x<subdivisionsx; ++x) { + const int off1 = x+y*w, off2 = x+1+y*w, off3 = x+1+(y+1)*w, off4 = x+(y+1)*w; + primitives.insert(CImg<tf>::vector(off1,off4,off3,off2)); + if (double_sided) primitives.insert(CImg<tf>::vector(off1,off2,off3,off4)); + } + return points.get_append('x'); + } + + //! Return a 3D centered sphere. + template<typename tf> + static CImg<floatT> sphere3d(CImgList<tf>& primitives, const float radius=50, const unsigned int subdivisions=3) { + + // Create initial icosahedron + primitives.assign(); + if (!subdivisions) return CImg<floatT>(); + const double tmp = (1+cimg_std::sqrt(5.0f))/2, a = 1.0/cimg_std::sqrt(1+tmp*tmp), b = tmp*a; + CImgList<floatT> points(12,1,3,1,1, b,a,0.0, -b,a,0.0, -b,-a,0.0, b,-a,0.0, a,0.0,b, a,0.0,-b, + -a,0.0,-b, -a,0.0,b, 0.0,b,a, 0.0,-b,a, 0.0,-b,-a, 0.0,b,-a); + primitives.assign(20,1,3,1,1, 4,8,7, 4,7,9, 5,6,11, 5,10,6, 0,4,3, 0,3,5, 2,7,1, 2,1,6, + 8,0,11, 8,11,1, 9,10,3, 9,2,10, 8,4,0, 11,0,5, 4,9,3, + 5,3,10, 7,8,1, 6,1,11, 7,2,9, 6,10,2); + + // Recurse subdivisions + for (unsigned int i = 0; i<subdivisions; ++i) { + const unsigned int L = primitives.size; + for (unsigned int l = 0; l<L; ++l) { + const unsigned int + p0 = (unsigned int)primitives(0,0), p1 = (unsigned int)primitives(0,1), p2 = (unsigned int)primitives(0,2); + const float + x0 = points(p0,0), y0 = points(p0,1), z0 = points(p0,2), + x1 = points(p1,0), y1 = points(p1,1), z1 = points(p1,2), + x2 = points(p2,0), y2 = points(p2,1), z2 = points(p2,2), + tnx0 = (x0+x1)/2, tny0 = (y0+y1)/2, tnz0 = (z0+z1)/2, nn0 = (float)cimg_std::sqrt(tnx0*tnx0+tny0*tny0+tnz0*tnz0), + tnx1 = (x0+x2)/2, tny1 = (y0+y2)/2, tnz1 = (z0+z2)/2, nn1 = (float)cimg_std::sqrt(tnx1*tnx1+tny1*tny1+tnz1*tnz1), + tnx2 = (x1+x2)/2, tny2 = (y1+y2)/2, tnz2 = (z1+z2)/2, nn2 = (float)cimg_std::sqrt(tnx2*tnx2+tny2*tny2+tnz2*tnz2), + nx0 = tnx0/nn0, ny0 = tny0/nn0, nz0 = tnz0/nn0, + nx1 = tnx1/nn1, ny1 = tny1/nn1, nz1 = tnz1/nn1, + nx2 = tnx2/nn2, ny2 = tny2/nn2, nz2 = tnz2/nn2; + int i0 = -1, i1 = -1, i2 = -1; + cimglist_for(points,p) { + const float x = (float)points(p,0), y = (float)points(p,1), z = (float)points(p,2); + if (x==nx0 && y==ny0 && z==nz0) i0 = p; + if (x==nx1 && y==ny1 && z==nz1) i1 = p; + if (x==nx2 && y==ny2 && z==nz2) i2 = p; + } + if (i0<0) { points.insert(CImg<floatT>::vector(nx0,ny0,nz0)); i0 = points.size-1; } + if (i1<0) { points.insert(CImg<floatT>::vector(nx1,ny1,nz1)); i1 = points.size-1; } + if (i2<0) { points.insert(CImg<floatT>::vector(nx2,ny2,nz2)); i2 = points.size-1; } + primitives.remove(0); + primitives.insert(CImg<tf>::vector(p0,i0,i1)). + insert(CImg<tf>::vector((tf)i0,(tf)p1,(tf)i2)). + insert(CImg<tf>::vector((tf)i1,(tf)i2,(tf)p2)). + insert(CImg<tf>::vector((tf)i1,(tf)i0,(tf)i2)); + } + } + return points.get_append('x')*=radius; + } + + //! Return a 3D centered ellipsoid. + template<typename tf, typename t> + static CImg<floatT> ellipsoid3d(CImgList<tf>& primitives, const CImg<t>& tensor, + const unsigned int subdivisions=3) { + primitives.assign(); + if (!subdivisions) return CImg<floatT>(); + typedef typename cimg::superset<t,float>::type tfloat; + CImg<tfloat> S,V; + tensor.symmetric_eigen(S,V); + const tfloat l0 = S[0], l1 = S[1], l2 = S[2]; + CImg<floatT> points = sphere(primitives,subdivisions); + cimg_forX(points,p) { + points(p,0) = (float)(points(p,0)*l0); + points(p,1) = (float)(points(p,1)*l1); + points(p,2) = (float)(points(p,2)*l2); + } + V.transpose(); + points = V*points; + return points; + } + + //! Return a 3D elevation object of the instance image. + template<typename tf, typename tc, typename te> + CImg<floatT> get_elevation3d(CImgList<tf>& primitives, CImgList<tc>& colors, const CImg<te>& elevation) const { + primitives.assign(); + colors.assign(); + if (is_empty()) return *this; + if (depth>1) + throw CImgInstanceException("CImg<%s>::get_elevation3d() : Instance image (%u,%u,%u,%u,%p) is not a 2D image.", + pixel_type(),width,height,depth,dim,data); + if (!is_sameXY(elevation)) + throw CImgArgumentException("CImg<%s>::get_elevation3d() : Elevation image (%u,%u,%u,%u,%p) and instance image (%u,%u,%u,%u,%p) " + "have different sizes.",pixel_type(), + elevation.width,elevation.height,elevation.depth,elevation.dim,elevation.data, + width,height,depth,dim,data,pixel_type()); + float m, M = (float)maxmin(m); + if (M==m) ++M; + const unsigned int w = width + 1, h = height + 1; + CImg<floatT> points(w*h,3); + cimg_forXY(*this,x,y) { + const int yw = y*w, xpyw = x + yw, xpyww = xpyw + w; + points(xpyw,0) = points(xpyw+1,0) = points(xpyww+1,0) = points(xpyww,0) = (float)x; + points(xpyw,1) = points(xpyw+1,1) = points(xpyww+1,1) = points(xpyww,1) = (float)y; + points(xpyw,2) = points(xpyw+1,2) = points(xpyww+1,2) = points(xpyww,2) = (float)elevation(x,y); + primitives.insert(CImg<tf>::vector(xpyw,xpyw+1,xpyww+1,xpyww)); + const unsigned char + r = (unsigned char)(((*this)(x,y,0) - m)*255/(M-m)), + g = dim>1?(unsigned char)(((*this)(x,y,1) - m)*255/(M-m)):r, + b = dim>2?(unsigned char)(((*this)(x,y,2) - m)*255/(M-m)):(dim>1?0:r); + colors.insert(CImg<tc>::vector((tc)r,(tc)g,(tc)b)); + } + return points; + } + + // Inner routine used by the Marching square algorithm. + template<typename t> + static int _marching_squares_indice(const unsigned int edge, const CImg<t>& indices1, const CImg<t>& indices2, + const unsigned int x, const unsigned int nx) { + switch (edge) { + case 0 : return (int)indices1(x,0); + case 1 : return (int)indices1(nx,1); + case 2 : return (int)indices2(x,0); + case 3 : return (int)indices1(x,1); + } + return 0; + } + + //! Polygonize an implicit 2D function by the marching squares algorithm. + template<typename tf, typename tfunc> + static CImg<floatT> marching_squares(CImgList<tf>& primitives, const tfunc& func, const float isovalue, + const float x0, const float y0, + const float x1, const float y1, + const float resx, const float resy) { + static unsigned int edges[16] = { 0x0, 0x9, 0x3, 0xa, 0x6, 0xf, 0x5, 0xc, 0xc, 0x5, 0xf, 0x6, 0xa, 0x3, 0x9, 0x0 }; + static int segments[16][4] = { { -1,-1,-1,-1 }, { 0,3,-1,-1 }, { 0,1,-1,-1 }, { 1,3,-1,-1 }, + { 1,2,-1,-1 }, { 0,1,2,3 }, { 0,2,-1,-1 }, { 2,3,-1,-1 }, + { 2,3,-1,-1 }, { 0,2,-1,-1}, { 0,3,1,2 }, { 1,2,-1,-1 }, + { 1,3,-1,-1 }, { 0,1,-1,-1}, { 0,3,-1,-1}, { -1,-1,-1,-1 } }; + const unsigned int + nx = (unsigned int)((x1-x0+1)/resx), nxm1 = nx-1, + ny = (unsigned int)((y1-y0+1)/resy), nym1 = ny-1; + if (!nxm1 || !nym1) return CImg<floatT>(); + + primitives.assign(); + CImgList<floatT> points; + CImg<intT> indices1(nx,1,1,2,-1), indices2(nx,1,1,2); + CImg<floatT> values1(nx), values2(nx); + float X = 0, Y = 0, nX = 0, nY = 0; + + // Fill first line with values + cimg_forX(values1,x) { values1(x) = (float)func(X,Y); X+=resx; } + + // Run the marching squares algorithm + Y = y0; nY = Y + resy; + for (unsigned int yi = 0, nyi = 1; yi<nym1; ++yi, ++nyi, Y=nY, nY+=resy) { + X = x0; nX = X + resx; + indices2.fill(-1); + for (unsigned int xi = 0, nxi = 1; xi<nxm1; ++xi, ++nxi, X=nX, nX+=resx) { + + // Determine cube configuration + const float + val0 = values1(xi), val1 = values1(nxi), + val2 = values2(nxi) = (float)func(nX,nY), + val3 = values2(xi) = (float)func(X,nY); + + const unsigned int configuration = (val0<isovalue?1:0) | (val1<isovalue?2:0) | (val2<isovalue?4:0) | (val3<isovalue?8:0), + edge = edges[configuration]; + + // Compute intersection points + if (edge) { + if ((edge&1) && indices1(xi,0)<0) { + const float Xi = X + (isovalue-val0)*resx/(val1-val0); + indices1(xi,0) = points.size; + points.insert(CImg<floatT>::vector(Xi,Y)); + } + if ((edge&2) && indices1(nxi,1)<0) { + const float Yi = Y + (isovalue-val1)*resy/(val2-val1); + indices1(nxi,1) = points.size; + points.insert(CImg<floatT>::vector(nX,Yi)); + } + if ((edge&4) && indices2(xi,0)<0) { + const float Xi = X + (isovalue-val3)*resx/(val2-val3); + indices2(xi,0) = points.size; + points.insert(CImg<floatT>::vector(Xi,nY)); + } + if ((edge&8) && indices1(xi,1)<0) { + const float Yi = Y + (isovalue-val0)*resy/(val3-val0); + indices1(xi,1) = points.size; + points.insert(CImg<floatT>::vector(X,Yi)); + } + + // Create segments + for (int *segment = segments[configuration]; *segment!=-1; ) { + const unsigned int p0 = *(segment++), p1 = *(segment++); + const tf + i0 = (tf)(_marching_squares_indice(p0,indices1,indices2,xi,nxi)), + i1 = (tf)(_marching_squares_indice(p1,indices1,indices2,xi,nxi)); + primitives.insert(CImg<tf>::vector(i0,i1)); + } + } + } + values1.swap(values2); + indices1.swap(indices2); + } + return points.get_append('x'); + } + + // Inner routine used by the Marching cube algorithm. + template<typename t> + static int _marching_cubes_indice(const unsigned int edge, const CImg<t>& indices1, const CImg<t>& indices2, + const unsigned int x, const unsigned int y, const unsigned int nx, const unsigned int ny) { + switch (edge) { + case 0 : return indices1(x,y,0); + case 1 : return indices1(nx,y,1); + case 2 : return indices1(x,ny,0); + case 3 : return indices1(x,y,1); + case 4 : return indices2(x,y,0); + case 5 : return indices2(nx,y,1); + case 6 : return indices2(x,ny,0); + case 7 : return indices2(x,y,1); + case 8 : return indices1(x,y,2); + case 9 : return indices1(nx,y,2); + case 10 : return indices1(nx,ny,2); + case 11 : return indices1(x,ny,2); + } + return 0; + } + + //! Polygonize an implicit function + // This function uses the Marching Cubes Tables published on the web page : + // http://astronomy.swin.edu.au/~pbourke/modelling/polygonise/ + template<typename tf, typename tfunc> + static CImg<floatT> marching_cubes(CImgList<tf>& primitives, + const tfunc& func, const float isovalue, + const float x0, const float y0, const float z0, + const float x1, const float y1, const float z1, + const float resx, const float resy, const float resz, + const bool invert_faces=false) { + + static unsigned int edges[256] = { + 0x000, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c, 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00, + 0x190, 0x99 , 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c, 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90, + 0x230, 0x339, 0x33 , 0x13a, 0x636, 0x73f, 0x435, 0x53c, 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30, + 0x3a0, 0x2a9, 0x1a3, 0xaa , 0x7a6, 0x6af, 0x5a5, 0x4ac, 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0, + 0x460, 0x569, 0x663, 0x76a, 0x66 , 0x16f, 0x265, 0x36c, 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60, + 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff , 0x3f5, 0x2fc, 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0, + 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55 , 0x15c, 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950, + 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc , 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0, + 0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc, 0xcc , 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0, + 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c, 0x15c, 0x55 , 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650, + 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc, 0x2fc, 0x3f5, 0xff , 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0, + 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c, 0x36c, 0x265, 0x16f, 0x66 , 0x76a, 0x663, 0x569, 0x460, + 0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac, 0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa , 0x1a3, 0x2a9, 0x3a0, + 0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c, 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33 , 0x339, 0x230, + 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c, 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99 , 0x190, + 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c, 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x000 }; + + static int triangles[256][16] = + {{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 0, 1, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 1, 8, 3, 9, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 3, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 2, 10, 0, 2, 9, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 2, 8, 3, 2, 10, 8, 10, 9, 8, -1, -1, -1, -1, -1, -1, -1 }, + { 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 11, 2, 8, 11, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 9, 0, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 1, 11, 2, 1, 9, 11, 9, 8, 11, -1, -1, -1, -1, -1, -1, -1 }, + { 3, 10, 1, 11, 10, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 10, 1, 0, 8, 10, 8, 11, 10, -1, -1, -1, -1, -1, -1, -1 }, + { 3, 9, 0, 3, 11, 9, 11, 10, 9, -1, -1, -1, -1, -1, -1, -1 }, { 9, 8, 10, 10, 8, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 4, 3, 0, 7, 3, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 0, 1, 9, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 4, 1, 9, 4, 7, 1, 7, 3, 1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 2, 10, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 3, 4, 7, 3, 0, 4, 1, 2, 10, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 2, 10, 9, 0, 2, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1 }, { 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, -1, -1, -1, -1 }, + { 8, 4, 7, 3, 11, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 11, 4, 7, 11, 2, 4, 2, 0, 4, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 0, 1, 8, 4, 7, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1 }, { 4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, -1, -1, -1, -1 }, + { 3, 10, 1, 3, 11, 10, 7, 8, 4, -1, -1, -1, -1, -1, -1, -1 }, { 1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, -1, -1, -1, -1 }, + { 4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, -1, -1, -1, -1 }, { 4, 7, 11, 4, 11, 9, 9, 11, 10, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 9, 5, 4, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 0, 5, 4, 1, 5, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 8, 5, 4, 8, 3, 5, 3, 1, 5, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 2, 10, 9, 5, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 3, 0, 8, 1, 2, 10, 4, 9, 5, -1, -1, -1, -1, -1, -1, -1 }, + { 5, 2, 10, 5, 4, 2, 4, 0, 2, -1, -1, -1, -1, -1, -1, -1 }, { 2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, -1, -1, -1, -1 }, + { 9, 5, 4, 2, 3, 11, -1, -1, -1, -1, -1, -1, -1, -1, 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2, 9, 2, 0, 2, 7, 11, -1, -1, -1, -1 }, + { 2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, -1, -1, -1, -1 }, { 11, 2, 1, 11, 1, 7, 7, 1, 5, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, -1, -1, -1, -1 }, { 5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, -1 }, + { 11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, -1 }, { 11, 10, 5, 7, 11, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 3, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 0, 1, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 1, 8, 3, 1, 9, 8, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 6, 5, 2, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 1, 6, 5, 1, 2, 6, 3, 0, 8, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 6, 5, 9, 0, 6, 0, 2, 6, -1, -1, -1, -1, -1, -1, -1 }, { 5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, -1, -1, -1, -1 }, + { 2, 3, 11, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 11, 0, 8, 11, 2, 0, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1 }, + { 0, 1, 9, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1, -1, -1, -1 }, { 5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, -1, -1, -1, -1 }, + { 6, 3, 11, 6, 5, 3, 5, 1, 3, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, -1, -1, -1, -1 }, + { 3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, -1, -1, -1, -1 }, { 6, 5, 9, 6, 9, 11, 11, 9, 8, -1, -1, -1, -1, -1, -1, -1 }, + { 5, 10, 6, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 4, 3, 0, 4, 7, 3, 6, 5, 10, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 9, 0, 5, 10, 6, 8, 4, 7, -1, -1, -1, -1, -1, -1, -1 }, { 10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, -1, -1, -1, -1 }, + { 6, 1, 2, 6, 5, 1, 4, 7, 8, -1, -1, -1, -1, -1, -1, -1 }, { 1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, -1, -1, -1, -1 }, + { 8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, -1, -1, -1, -1 }, { 7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, -1 }, + { 3, 11, 2, 7, 8, 4, 10, 6, 5, -1, -1, -1, -1, -1, -1, -1 }, { 5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, -1, -1, -1, -1 }, + { 0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, -1, -1, -1, -1 }, { 9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, -1 }, + { 8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, -1, -1, -1, -1 }, { 5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, -1 }, + { 0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, -1 }, { 6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, -1, -1, -1, -1 }, + { 10, 4, 9, 6, 4, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 4, 10, 6, 4, 9, 10, 0, 8, 3, -1, -1, -1, -1, -1, -1, -1 }, + { 10, 0, 1, 10, 6, 0, 6, 4, 0, -1, -1, -1, -1, -1, -1, -1 }, { 8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, -1, -1, -1, -1 }, + { 1, 4, 9, 1, 2, 4, 2, 6, 4, -1, -1, -1, -1, -1, -1, -1 }, { 3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, -1, -1, -1, -1 }, + { 0, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 8, 3, 2, 8, 2, 4, 4, 2, 6, -1, -1, -1, -1, -1, -1, -1 }, + { 10, 4, 9, 10, 6, 4, 11, 2, 3, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, -1, -1, -1, -1 }, + { 3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, -1, -1, -1, -1 }, { 6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, -1 }, + { 9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, -1, -1, -1, -1 }, { 8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, -1 }, + { 3, 11, 6, 3, 6, 0, 0, 6, 4, -1, -1, -1, -1, -1, -1, -1 }, { 6, 4, 8, 11, 6, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 7, 10, 6, 7, 8, 10, 8, 9, 10, -1, -1, -1, -1, -1, -1, -1 }, { 0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, -1, -1, -1, -1 }, + { 10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, -1, -1, -1, -1 }, { 10, 6, 7, 10, 7, 1, 1, 7, 3, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, -1, -1, -1, -1 }, { 2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, -1 }, + { 7, 8, 0, 7, 0, 6, 6, 0, 2, -1, -1, -1, -1, -1, -1, -1 }, { 7, 3, 2, 6, 7, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, -1, -1, -1, -1 }, { 2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, -1 }, + { 1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, -1 }, { 11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, -1, -1, -1, -1 }, + { 8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, -1 }, { 0, 9, 1, 11, 6, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, -1, -1, -1, -1 }, { 7, 11, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 3, 0, 8, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 0, 1, 9, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 8, 1, 9, 8, 3, 1, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1 }, + { 10, 1, 2, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 1, 2, 10, 3, 0, 8, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1 }, + { 2, 9, 0, 2, 10, 9, 6, 11, 7, -1, -1, -1, -1, -1, -1, -1 }, { 6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, -1, -1, -1, -1 }, + { 7, 2, 3, 6, 2, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 7, 0, 8, 7, 6, 0, 6, 2, 0, -1, -1, -1, -1, -1, -1, -1 }, + { 2, 7, 6, 2, 3, 7, 0, 1, 9, -1, -1, -1, -1, -1, -1, -1 }, { 1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, -1, -1, -1, -1 }, + { 10, 7, 6, 10, 1, 7, 1, 3, 7, -1, -1, -1, -1, -1, -1, -1 }, { 10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, -1, -1, -1, -1 }, + { 0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, -1, -1, -1, -1 }, { 7, 6, 10, 7, 10, 8, 8, 10, 9, -1, -1, -1, -1, -1, -1, -1 }, + { 6, 8, 4, 11, 8, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 3, 6, 11, 3, 0, 6, 0, 4, 6, -1, -1, -1, -1, -1, -1, -1 }, + { 8, 6, 11, 8, 4, 6, 9, 0, 1, -1, -1, -1, -1, -1, -1, -1 }, { 9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, -1, -1, -1, -1 }, + { 6, 8, 4, 6, 11, 8, 2, 10, 1, -1, -1, -1, -1, -1, -1, -1 }, { 1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, -1, -1, -1, -1 }, + { 4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, -1, -1, -1, -1 }, { 10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, -1 }, + { 8, 2, 3, 8, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1 }, { 0, 4, 2, 4, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, -1, -1, -1, -1 }, { 1, 9, 4, 1, 4, 2, 2, 4, 6, -1, -1, -1, -1, -1, -1, -1 }, + { 8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, -1, -1, -1, -1 }, { 10, 1, 0, 10, 0, 6, 6, 0, 4, -1, -1, -1, -1, -1, -1, -1 }, + { 4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, -1 }, { 10, 9, 4, 6, 10, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 4, 9, 5, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 3, 4, 9, 5, 11, 7, 6, -1, -1, -1, -1, -1, -1, -1 }, + { 5, 0, 1, 5, 4, 0, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1 }, { 11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, -1, -1, -1, -1 }, + { 9, 5, 4, 10, 1, 2, 7, 6, 11, -1, -1, -1, -1, -1, -1, -1 }, { 6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, -1, -1, -1, -1 }, + { 7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, -1, -1, -1, -1 }, { 3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, -1 }, + { 7, 2, 3, 7, 6, 2, 5, 4, 9, -1, -1, -1, -1, -1, -1, -1 }, { 9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, -1, -1, -1, -1 }, + { 3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, -1, -1, -1, -1 }, { 6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, -1 }, + { 9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, -1, -1, -1, -1 }, { 1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, -1 }, + { 4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, -1 }, { 7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, -1, -1, -1, -1 }, + { 6, 9, 5, 6, 11, 9, 11, 8, 9, -1, -1, -1, -1, -1, -1, -1 }, { 3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, -1, -1, -1, -1 }, + { 0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, -1, -1, -1, -1 }, { 6, 11, 3, 6, 3, 5, 5, 3, 1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, -1, -1, -1, -1 }, { 0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, -1 }, + { 11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, -1 }, { 6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, -1, -1, -1, -1 }, + { 5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, -1, -1, -1, -1 }, { 9, 5, 6, 9, 6, 0, 0, 6, 2, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, -1 }, { 1, 5, 6, 2, 1, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, -1 }, { 10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, -1, -1, -1, -1 }, + { 0, 3, 8, 5, 6, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 10, 5, 6, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 11, 5, 10, 7, 5, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 11, 5, 10, 11, 7, 5, 8, 3, 0, -1, -1, -1, -1, -1, -1, -1 }, + { 5, 11, 7, 5, 10, 11, 1, 9, 0, -1, -1, -1, -1, -1, -1, -1 }, { 10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, -1, -1, -1, -1 }, + { 11, 1, 2, 11, 7, 1, 7, 5, 1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, -1, -1, -1, -1 }, + { 9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, -1, -1, -1, -1 }, { 7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, -1 }, + { 2, 5, 10, 2, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1 }, { 8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, -1, -1, -1, -1 }, + { 9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, -1, -1, -1, -1 }, { 9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, -1 }, + { 1, 3, 5, 3, 7, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 7, 0, 7, 1, 1, 7, 5, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 0, 3, 9, 3, 5, 5, 3, 7, -1, -1, -1, -1, -1, -1, -1 }, { 9, 8, 7, 5, 9, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 5, 8, 4, 5, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1 }, { 5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, -1, -1, -1, -1 }, + { 0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, -1, -1, -1, -1 }, { 10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, -1 }, + { 2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, -1, -1, -1, -1 }, { 0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, -1 }, + { 0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, -1 }, { 9, 4, 5, 2, 11, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, -1, -1, -1, -1 }, { 5, 10, 2, 5, 2, 4, 4, 2, 0, -1, -1, -1, -1, -1, -1, -1 }, + { 3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, -1 }, { 5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, -1, -1, -1, -1 }, + { 8, 4, 5, 8, 5, 3, 3, 5, 1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 4, 5, 1, 0, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, -1, -1, -1, -1 }, { 9, 4, 5, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 4, 11, 7, 4, 9, 11, 9, 10, 11, -1, -1, -1, -1, -1, -1, -1 }, { 0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, -1, -1, -1, -1 }, + { 1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, -1, -1, -1, -1 }, { 3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, -1 }, + { 4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, -1, -1, -1, -1 }, { 9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, -1 }, + { 11, 7, 4, 11, 4, 2, 2, 4, 0, -1, -1, -1, -1, -1, -1, -1 }, { 11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, -1, -1, -1, -1 }, + { 2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, -1, -1, -1, -1 }, { 9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, -1 }, + { 3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, -1 }, { 1, 10, 2, 8, 7, 4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 4, 9, 1, 4, 1, 7, 7, 1, 3, -1, -1, -1, -1, -1, -1, -1 }, { 4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, -1, -1, -1, -1 }, + { 4, 0, 3, 7, 4, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 4, 8, 7, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 9, 10, 8, 10, 11, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 3, 0, 9, 3, 9, 11, 11, 9, 10, -1, -1, -1, -1, -1, -1, -1 }, + { 0, 1, 10, 0, 10, 8, 8, 10, 11, -1, -1, -1, -1, -1, -1, -1 }, { 3, 1, 10, 11, 3, 10, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 2, 11, 1, 11, 9, 9, 11, 8, -1, -1, -1, -1, -1, -1, -1 }, { 3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, -1, -1, -1, -1 }, + { 0, 2, 11, 8, 0, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 3, 2, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 2, 3, 8, 2, 8, 10, 10, 8, 9, -1, -1, -1, -1, -1, -1, -1 }, { 9, 10, 2, 0, 9, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, -1, -1, -1, -1 }, { 1, 10, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 1, 3, 8, 9, 1, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { 0, 9, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { 0, 3, 8, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }}; + + const unsigned int + nx = (unsigned int)((x1-x0+1)/resx), nxm1 = nx-1, + ny = (unsigned int)((y1-y0+1)/resy), nym1 = ny-1, + nz = (unsigned int)((z1-z0+1)/resz), nzm1 = nz-1; + if (!nxm1 || !nym1 || !nzm1) return CImg<floatT>(); + + primitives.assign(); + CImgList<floatT> points; + CImg<intT> indices1(nx,ny,1,3,-1), indices2(indices1); + CImg<floatT> values1(nx,ny), values2(nx,ny); + float X = 0, Y = 0, Z = 0, nX = 0, nY = 0, nZ = 0; + + // Fill the first plane with function values + Y = y0; + cimg_forY(values1,y) { + X = x0; + cimg_forX(values1,x) { values1(x,y) = (float)func(X,Y,z0); X+=resx; } + Y+=resy; + } + + // Run Marching Cubes algorithm + Z = z0; nZ = Z + resz; + for (unsigned int zi = 0; zi<nzm1; ++zi, Z = nZ, nZ+=resz) { + Y = y0; nY = Y + resy; + indices2.fill(-1); + for (unsigned int yi = 0, nyi = 1; yi<nym1; ++yi, ++nyi, Y = nY, nY+=resy) { + X = x0; nX = X + resx; + for (unsigned int xi = 0, nxi = 1; xi<nxm1; ++xi, ++nxi, X = nX, nX+=resx) { + + // Determine cube configuration + const float + val0 = values1(xi,yi), val1 = values1(nxi,yi), val2 = values1(nxi,nyi), val3 = values1(xi,nyi), + val4 = values2(xi,yi) = (float)func(X,Y,nZ), + val5 = values2(nxi,yi) = (float)func(nX,Y,nZ), + val6 = values2(nxi,nyi) = (float)func(nX,nY,nZ), + val7 = values2(xi,nyi) = (float)func(X,nY,nZ); + + const unsigned int configuration = + (val0<isovalue?1:0) | (val1<isovalue?2:0) | (val2<isovalue?4:0) | (val3<isovalue?8:0) | + (val4<isovalue?16:0) | (val5<isovalue?32:0) | (val6<isovalue?64:0) | (val7<isovalue?128:0), + edge = edges[configuration]; + + // Compute intersection points + if (edge) { + if ((edge&1) && indices1(xi,yi,0)<0) { + const float Xi = X + (isovalue-val0)*resx/(val1-val0); + indices1(xi,yi,0) = points.size; + points.insert(CImg<floatT>::vector(Xi,Y,Z)); + } + if ((edge&2) && indices1(nxi,yi,1)<0) { + const float Yi = Y + (isovalue-val1)*resy/(val2-val1); + indices1(nxi,yi,1) = points.size; + points.insert(CImg<floatT>::vector(nX,Yi,Z)); + } + if ((edge&4) && indices1(xi,nyi,0)<0) { + const float Xi = X + (isovalue-val3)*resx/(val2-val3); + indices1(xi,nyi,0) = points.size; + points.insert(CImg<floatT>::vector(Xi,nY,Z)); + } + if ((edge&8) && indices1(xi,yi,1)<0) { + const float Yi = Y + (isovalue-val0)*resy/(val3-val0); + indices1(xi,yi,1) = points.size; + points.insert(CImg<floatT>::vector(X,Yi,Z)); + } + if ((edge&16) && indices2(xi,yi,0)<0) { + const float Xi = X + (isovalue-val4)*resx/(val5-val4); + indices2(xi,yi,0) = points.size; + points.insert(CImg<floatT>::vector(Xi,Y,nZ)); + } + if ((edge&32) && indices2(nxi,yi,1)<0) { + const float Yi = Y + (isovalue-val5)*resy/(val6-val5); + indices2(nxi,yi,1) = points.size; + points.insert(CImg<floatT>::vector(nX,Yi,nZ)); + } + if ((edge&64) && indices2(xi,nyi,0)<0) { + const float Xi = X + (isovalue-val7)*resx/(val6-val7); + indices2(xi,nyi,0) = points.size; + points.insert(CImg<floatT>::vector(Xi,nY,nZ)); + } + if ((edge&128) && indices2(xi,yi,1)<0) { + const float Yi = Y + (isovalue-val4)*resy/(val7-val4); + indices2(xi,yi,1) = points.size; + points.insert(CImg<floatT>::vector(X,Yi,nZ)); + } + if ((edge&256) && indices1(xi,yi,2)<0) { + const float Zi = Z+ (isovalue-val0)*resz/(val4-val0); + indices1(xi,yi,2) = points.size; + points.insert(CImg<floatT>::vector(X,Y,Zi)); + } + if ((edge&512) && indices1(nxi,yi,2)<0) { + const float Zi = Z + (isovalue-val1)*resz/(val5-val1); + indices1(nxi,yi,2) = points.size; + points.insert(CImg<floatT>::vector(nX,Y,Zi)); + } + if ((edge&1024) && indices1(nxi,nyi,2)<0) { + const float Zi = Z + (isovalue-val2)*resz/(val6-val2); + indices1(nxi,nyi,2) = points.size; + points.insert(CImg<floatT>::vector(nX,nY,Zi)); + } + if ((edge&2048) && indices1(xi,nyi,2)<0) { + const float Zi = Z + (isovalue-val3)*resz/(val7-val3); + indices1(xi,nyi,2) = points.size; + points.insert(CImg<floatT>::vector(X,nY,Zi)); + } + + // Create triangles + for (int *triangle = triangles[configuration]; *triangle!=-1; ) { + const unsigned int p0 = *(triangle++), p1 = *(triangle++), p2 = *(triangle++); + const tf + i0 = (tf)(_marching_cubes_indice(p0,indices1,indices2,xi,yi,nxi,nyi)), + i1 = (tf)(_marching_cubes_indice(p1,indices1,indices2,xi,yi,nxi,nyi)), + i2 = (tf)(_marching_cubes_indice(p2,indices1,indices2,xi,yi,nxi,nyi)); + if (invert_faces) primitives.insert(CImg<tf>::vector(i0,i1,i2)); + else primitives.insert(CImg<tf>::vector(i0,i2,i1)); + } + } + } + } + cimg::swap(values1,values2); + cimg::swap(indices1,indices2); + } + return points.get_append('x'); + } + + struct _marching_squares_func { + const CImg<T>& ref; + _marching_squares_func(const CImg<T>& pref):ref(pref) {} + float operator()(const float x, const float y) const { + return (float)ref((int)x,(int)y); + } + }; + + struct _marching_cubes_func { + const CImg<T>& ref; + _marching_cubes_func(const CImg<T>& pref):ref(pref) {} + float operator()(const float x, const float y, const float z) const { + return (float)ref((int)x,(int)y,(int)z); + } + }; + + struct _marching_squares_func_float { + const CImg<T>& ref; + _marching_squares_func_float(const CImg<T>& pref):ref(pref) {} + float operator()(const float x, const float y) const { + return (float)ref._linear_atXY(x,y); + } + }; + + struct _marching_cubes_func_float { + const CImg<T>& ref; + _marching_cubes_func_float(const CImg<T>& pref):ref(pref) {} + float operator()(const float x, const float y, const float z) const { + return (float)ref._linear_atXYZ(x,y,z); + } + }; + + //! Compute a vectorization of an implicit function. + template<typename tf> + CImg<floatT> get_isovalue3d(CImgList<tf>& primitives, const float isovalue, + const float resx=1, const float resy=1, const float resz=1, + const bool invert_faces=false) const { + primitives.assign(); + if (is_empty()) return *this; + if (dim>1) + throw CImgInstanceException("CImg<%s>::get_isovalue3d() : Instance image (%u,%u,%u,%u,%p) is not a scalar image.", + pixel_type(),width,height,depth,dim,data); + CImg<floatT> points; + if (depth>1) { + if (resx==1 && resy==1 && resz==1) { + const _marching_cubes_func func(*this); + points = marching_cubes(primitives,func,isovalue,0,0,0,dimx()-1.0f,dimy()-1.0f,dimz()-1.0f,resx,resy,resz,invert_faces); + } else { + const _marching_cubes_func_float func(*this); + points = marching_cubes(primitives,func,isovalue,0,0,0,dimx()-1.0f,dimy()-1.0f,dimz()-1.0f,resx,resy,resz,invert_faces); + } + } else { + if (resx==1 && resy==1) { + const _marching_squares_func func(*this); + points = marching_squares(primitives,func,isovalue,0,0,dimx()-1.0f,dimy()-1.0f,resx,resy); + } else { + const _marching_squares_func_float func(*this); + points = marching_squares(primitives,func,isovalue,0,0,dimx()-1.0f,dimy()-1.0f,resx,resy); + } + if (points) points.resize(-100,3,1,1,0); + } + return points; + } + + //! Translate a 3D object. + CImg<T>& translate_object3d(const float tx, const float ty=0, const float tz=0) { + get_shared_line(0)+=tx; get_shared_line(1)+=ty; get_shared_line(2)+=tz; + return *this; + } + + CImg<Tfloat> get_translate_object3d(const float tx, const float ty=0, const float tz=0) const { + return CImg<Tfloat>(*this,false).translate_object3d(tx,ty,tz); + } + + //! Translate a 3D object so that it becomes centered. + CImg<T>& translate_object3d() { + CImg<T> xcoords = get_shared_line(0), ycoords = get_shared_line(1), zcoords = get_shared_line(2); + float xm, xM = (float)xcoords.maxmin(xm), ym, yM = (float)ycoords.maxmin(ym), zm, zM = (float)zcoords.maxmin(zm); + xcoords-=(xm + xM)/2; ycoords-=(ym + yM)/2; zcoords-=(zm + zM)/2; + return *this; + } + + CImg<Tfloat> get_translate_object3d() const { + return CImg<Tfloat>(*this,false).translate_object3d(); + } + + //! Resize a 3D object. + CImg<T>& resize_object3d(const float sx, const float sy=-100, const float sz=-100) { + CImg<T> xcoords = get_shared_line(0), ycoords = get_shared_line(1), zcoords = get_shared_line(2); + float xm, xM = (float)xcoords.maxmin(xm), ym, yM = (float)ycoords.maxmin(ym), zm, zM = (float)zcoords.maxmin(zm); + if (xm<xM) { if (sx>0) xcoords*=sx/(xM-xm); else xcoords*=-sx/100; } + if (ym<yM) { if (sy>0) ycoords*=sy/(yM-ym); else ycoords*=-sy/100; } + if (zm<zM) { if (sz>0) zcoords*=sz/(zM-zm); else zcoords*=-sz/100; } + return *this; + } + + CImg<Tfloat> get_resize_object3d(const float sx, const float sy=-100, const float sz=-100) const { + return CImg<Tfloat>(*this,false).resize_object3d(sx,sy,sz); + } + + // Resize a 3D object so that its max dimension if one. + CImg<T> resize_object3d() const { + CImg<T> xcoords = get_shared_line(0), ycoords = get_shared_line(1), zcoords = get_shared_line(2); + float xm, xM = (float)xcoords.maxmin(xm), ym, yM = (float)ycoords.maxmin(ym), zm, zM = (float)zcoords.maxmin(zm); + const float dx = xM - xm, dy = yM - ym, dz = zM - zm, dmax = cimg::max(dx,dy,dz); + if (dmax>0) { xcoords/=dmax; ycoords/=dmax; zcoords/=dmax; } + return *this; + } + + CImg<Tfloat> get_resize_object3d() const { + return CImg<Tfloat>(*this,false).resize_object3d(); + } + + //! Append a 3D object to another one. + template<typename tf, typename tp, typename tff> + CImg<T>& append_object3d(CImgList<tf>& primitives, const CImg<tp>& obj_points, const CImgList<tff>& obj_primitives) { + const unsigned int P = width; + append(obj_points,'x'); + const unsigned int N = primitives.size; + primitives.insert(obj_primitives); + for (unsigned int i = N; i<primitives.size; ++i) { + CImg<tf> &p = primitives[i]; + if (p.size()!=5) p+=P; + else { p[0]+=P; if (p[2]==0) p[1]+=P; } + } + return *this; + } + + //@} + //---------------------------- + // + //! \name Color bases + //@{ + //---------------------------- + + //! Return a default indexed color palette with 256 (R,G,B) entries. + /** + The default color palette is used by %CImg when displaying images on 256 colors displays. + It consists in the quantification of the (R,G,B) color space using 3:3:2 bits for color coding + (i.e 8 levels for the Red and Green and 4 levels for the Blue). + \return a 1x256x1x3 color image defining the palette entries. + **/ + static CImg<Tuchar> default_LUT8() { + static CImg<Tuchar> palette; + if (!palette) { + palette.assign(1,256,1,3); + for (unsigned int index = 0, r = 16; r<256; r+=32) + for (unsigned int g = 16; g<256; g+=32) + for (unsigned int b = 32; b<256; b+=64) { + palette(0,index,0) = (Tuchar)r; + palette(0,index,1) = (Tuchar)g; + palette(0,index++,2) = (Tuchar)b; + } + } + return palette; + } + + //! Return a rainbow color palette with 256 (R,G,B) entries. + static CImg<Tuchar> rainbow_LUT8() { + static CImg<Tuchar> palette; + if (!palette) { + CImg<Tint> tmp(1,256,1,3,1); + tmp.get_shared_channel(0).sequence(0,359); + palette = tmp.HSVtoRGB(); + } + return palette; + } + + //! Return a contrasted color palette with 256 (R,G,B) entries. + static CImg<Tuchar> contrast_LUT8() { + static const unsigned char pal[] = { + 217,62,88,75,1,237,240,12,56,160,165,116,1,1,204,2,15,248,148,185,133,141,46,246,222,116,16,5,207,226, + 17,114,247,1,214,53,238,0,95,55,233,235,109,0,17,54,33,0,90,30,3,0,94,27,19,0,68,212,166,130,0,15,7,119, + 238,2,246,198,0,3,16,10,13,2,25,28,12,6,2,99,18,141,30,4,3,140,12,4,30,233,7,10,0,136,35,160,168,184,20, + 233,0,1,242,83,90,56,180,44,41,0,6,19,207,5,31,214,4,35,153,180,75,21,76,16,202,218,22,17,2,136,71,74, + 81,251,244,148,222,17,0,234,24,0,200,16,239,15,225,102,230,186,58,230,110,12,0,7,129,249,22,241,37,219, + 1,3,254,210,3,212,113,131,197,162,123,252,90,96,209,60,0,17,0,180,249,12,112,165,43,27,229,77,40,195,12, + 87,1,210,148,47,80,5,9,1,137,2,40,57,205,244,40,8,252,98,0,40,43,206,31,187,0,180,1,69,70,227,131,108,0, + 223,94,228,35,248,243,4,16,0,34,24,2,9,35,73,91,12,199,51,1,249,12,103,131,20,224,2,70,32, + 233,1,165,3,8,154,246,233,196,5,0,6,183,227,247,195,208,36,0,0,226,160,210,198,69,153,210,1,23,8,192,2,4, + 137,1,0,52,2,249,241,129,0,0,234,7,238,71,7,32,15,157,157,252,158,2,250,6,13,30,11,162,0,199,21,11,27,224, + 4,157,20,181,111,187,218,3,0,11,158,230,196,34,223,22,248,135,254,210,157,219,0,117,239,3,255,4,227,5,247, + 11,4,3,188,111,11,105,195,2,0,14,1,21,219,192,0,183,191,113,241,1,12,17,248,0,48,7,19,1,254,212,0,239,246, + 0,23,0,250,165,194,194,17,3,253,0,24,6,0,141,167,221,24,212,2,235,243,0,0,205,1,251,133,204,28,4,6,1,10, + 141,21,74,12,236,254,228,19,1,0,214,1,186,13,13,6,13,16,27,209,6,216,11,207,251,59,32,9,155,23,19,235,143, + 116,6,213,6,75,159,23,6,0,228,4,10,245,249,1,7,44,234,4,102,174,0,19,239,103,16,15,18,8,214,22,4,47,244, + 255,8,0,251,173,1,212,252,250,251,252,6,0,29,29,222,233,246,5,149,0,182,180,13,151,0,203,183,0,35,149,0, + 235,246,254,78,9,17,203,73,11,195,0,3,5,44,0,0,237,5,106,6,130,16,214,20,168,247,168,4,207,11,5,1,232,251, + 129,210,116,231,217,223,214,27,45,38,4,177,186,249,7,215,172,16,214,27,249,230,236,2,34,216,217,0,175,30, + 243,225,244,182,20,212,2,226,21,255,20,0,2,13,62,13,191,14,76,64,20,121,4,118,0,216,1,147,0,2,210,1,215, + 95,210,236,225,184,46,0,248,24,11,1,9,141,250,243,9,221,233,160,11,147,2,55,8,23,12,253,9,0,54,0,231,6,3, + 141,8,2,246,9,180,5,11,8,227,8,43,110,242,1,130,5,97,36,10,6,219,86,133,11,108,6,1,5,244,67,19,28,0,174, + 154,16,127,149,252,188,196,196,228,244,9,249,0,0,0,37,170,32,250,0,73,255,23,3,224,234,38,195,198,0,255,87, + 33,221,174,31,3,0,189,228,6,153,14,144,14,108,197,0,9,206,245,254,3,16,253,178,248,0,95,125,8,0,3,168,21, + 23,168,19,50,240,244,185,0,1,144,10,168,31,82,1,13 }; + static const CImg<Tuchar> palette(pal,1,256,1,3,false); + return palette; + } + + //! Convert (R,G,B) color image to indexed color image. + template<typename t> + CImg<T>& RGBtoLUT(const CImg<t>& palette, const bool dithering=true, const bool indexing=false) { + return get_RGBtoLUT(palette,dithering,indexing).transfer_to(*this); + } + + template<typename t> + CImg<t> get_RGBtoLUT(const CImg<t>& palette, const bool dithering=true, const bool indexing=false) const { + if (is_empty()) return CImg<t>(); + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoLUT() : Input image dimension is dim=%u, " + "should be a (R,G,B) image.", + pixel_type(),dim); + if (palette.data && palette.dim!=3) + throw CImgArgumentException("CImg<%s>::RGBtoLUT() : Given palette dimension is dim=%u, " + "should be a (R,G,B) palette", + pixel_type(),palette.dim); + CImg<t> res(width,height,depth,indexing?1:3); + float *line1 = new float[3*width], *line2 = new float[3*width]; + t *pRd = res.ptr(0,0,0,0), *pGd = indexing?pRd:res.ptr(0,0,0,1), *pBd = indexing?pRd:res.ptr(0,0,0,2); + cimg_forZ(*this,z) { + const T *pRs = ptr(0,0,z,0), *pGs = ptr(0,0,z,1), *pBs = ptr(0,0,z,2); + float *ptrd = line2; cimg_forX(*this,x) { *(ptrd++) = (float)*(pRs++); *(ptrd++) = (float)*(pGs++); *(ptrd++) = (float)*(pBs++); } + cimg_forY(*this,y) { + cimg::swap(line1,line2); + if (y<dimy()-1) { + const int ny = y + 1; + const T *pRs = ptr(0,ny,z,0), *pGs = ptr(0,ny,z,1), *pBs = ptr(0,ny,z,2); + float *ptrd = line2; cimg_forX(*this,x) { *(ptrd++) = (float)*(pRs++); *(ptrd++) = (float)*(pGs++); *(ptrd++) = (float)*(pBs++); } + } + float *ptr1 = line1, *ptr2 = line2; + cimg_forX(*this,x) { + float R = *(ptr1++), G = *(ptr1++), B = *(ptr1++); + R = R<0?0:(R>255?255:R); G = G<0?0:(G>255?255:G); B = B<0?0:(B>255?255:B); + t Rbest = 0, Gbest = 0, Bbest = 0; + int best_index = 0; + if (palette) { // find best match in given color palette + const t *pRs = palette.ptr(0,0,0,0), *pGs = palette.ptr(0,0,0,1), *pBs = palette.ptr(0,0,0,2); + const unsigned int Npal = palette.width*palette.height*palette.depth; + float min = cimg::type<float>::max(); + for (unsigned int off = 0; off<Npal; ++off) { + const t Rp = *(pRs++), Gp = *(pGs++), Bp = *(pBs++); + const float error = cimg::sqr((float)Rp-(float)R) + cimg::sqr((float)Gp-(float)G) + cimg::sqr((float)Bp-(float)B); + if (error<min) { min = error; best_index = off; Rbest = Rp; Gbest = Gp; Bbest = Bp; } + } + } else { + Rbest = (t)((unsigned char)R&0xe0); Gbest = (t)((unsigned char)G&0xe0); Bbest = (t)((unsigned char)B&0xc0); + best_index = (unsigned char)Rbest | ((unsigned char)Gbest>>3) | ((unsigned char)Bbest>>6); + } + if (indexing) *(pRd++) = (t)best_index; else { *(pRd++) = Rbest; *(pGd++) = Gbest; *(pBd++) = Bbest; } + if (dithering) { // apply dithering to neighborhood pixels if needed + const float dR = (float)(R-Rbest), dG = (float)(G-Gbest), dB = (float)(B-Bbest); + if (x<dimx()-1) { *(ptr1++)+= dR*7/16; *(ptr1++)+= dG*7/16; *(ptr1++)+= dB*7/16; ptr1-=3; } + if (y<dimy()-1) { + *(ptr2++)+= dR*5/16; *(ptr2++)+= dG*5/16; *ptr2+= dB*5/16; ptr2-=2; + if (x>0) { *(--ptr2)+= dB*3/16; *(--ptr2)+= dG*3/16; *(--ptr2)+= dR*3/16; ptr2+=3; } + if (x<dimx()-1) { ptr2+=3; *(ptr2++)+= dR/16; *(ptr2++)+= dG/16; *ptr2+= dB/16; ptr2-=5; } + } + } + ptr2+=3; + } + } + } + delete[] line1; delete[] line2; + return res; + } + + //! Convert color pixels from (R,G,B) to match the default palette. + CImg<T>& RGBtoLUT(const bool dithering=true, const bool indexing=false) { + return get_RGBtoLUT(dithering,indexing).transfer_to(*this); + } + + CImg<Tuchar> get_RGBtoLUT(const bool dithering=true, const bool indexing=false) const { + static const CImg<Tuchar> empty; + return get_RGBtoLUT(empty,dithering,indexing); + } + + //! Convert an indexed image to a (R,G,B) image using the specified color palette. + CImg<T>& LUTtoRGB(const CImg<T>& palette) { + return get_LUTtoRGB(palette).transfer_to(*this); + } + + template<typename t> + CImg<t> get_LUTtoRGB(const CImg<t>& palette) const { + if (is_empty()) return CImg<t>(); + if (dim!=1) + throw CImgInstanceException("CImg<%s>::LUTtoRGB() : Input image dimension is dim=%u, " + "should be a LUT image", + pixel_type(),dim); + if (palette.data && palette.dim!=3) + throw CImgArgumentException("CImg<%s>::LUTtoRGB() : Given palette dimension is dim=%u, " + "should be a (R,G,B) palette", + pixel_type(),palette.dim); + const CImg<t> pal = palette.data?palette:CImg<t>(default_LUT8()); + CImg<t> res(width,height,depth,3); + const t *pRs = pal.ptr(0,0,0,0), *pGs = pal.ptr(0,0,0,1), *pBs = pal.ptr(0,0,0,2); + t *pRd = res.ptr(0,0,0,1), *pGd = pRd + width*height*depth, *pBd = pGd + width*height*depth; + const unsigned int Npal = palette.width*palette.height*palette.depth; + cimg_for(*this,ptr,T) { + const unsigned int index = ((unsigned int)*ptr)%Npal; + *(--pRd) = pRs[index]; *(--pGd) = pGs[index]; *(--pBd) = pBs[index]; + } + return res; + } + + //! Convert an indexed image (with the default palette) to a (R,G,B) image. + CImg<T>& LUTtoRGB() { + return get_LUTtoRGB().transfer_to(*this); + } + + CImg<Tuchar> get_LUTtoRGB() const { + static const CImg<Tuchar> empty; + return get_LUTtoRGB(empty); + } + + //! Convert color pixels from (R,G,B) to (H,S,V). + CImg<T>& RGBtoHSV() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoHSV() : Input image dimension is dim=%u, " + "should be a (R,G,B) image.", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + R = (Tfloat)*p1, + G = (Tfloat)*p2, + B = (Tfloat)*p3, + nR = (R<0?0:(R>255?255:R))/255, + nG = (G<0?0:(G>255?255:G))/255, + nB = (B<0?0:(B>255?255:B))/255, + m = cimg::min(nR,nG,nB), + M = cimg::max(nR,nG,nB); + Tfloat H = 0, S = 0; + if (M!=m) { + const Tfloat + f = (nR==m)?(nG-nB):((nG==m)?(nB-nR):(nR-nG)), + i = (Tfloat)((nR==m)?3:((nG==m)?5:1)); + H = (i-f/(M-m)); + if (H>=6) H-=6; + H*=60; + S = (M-m)/M; + } + *(p1++) = (T)H; + *(p2++) = (T)S; + *(p3++) = (T)M; + } + return *this; + } + + CImg<Tfloat> get_RGBtoHSV() const { + return CImg<Tfloat>(*this,false).RGBtoHSV(); + } + + //! Convert color pixels from (H,S,V) to (R,G,B). + CImg<T>& HSVtoRGB() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::HSVtoRGB() : Input image dimension is dim=%u, " + "should be a (H,S,V) image", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + Tfloat + H = (Tfloat)*p1, + S = (Tfloat)*p2, + V = (Tfloat)*p3, + R = 0, G = 0, B = 0; + if (H==0 && S==0) R = G = B = V; + else { + H/=60; + const int i = (int)cimg_std::floor(H); + const Tfloat + f = (i&1)?(H-i):(1-H+i), + m = V*(1-S), + n = V*(1-S*f); + switch (i) { + case 6 : + case 0 : R = V; G = n; B = m; break; + case 1 : R = n; G = V; B = m; break; + case 2 : R = m; G = V; B = n; break; + case 3 : R = m; G = n; B = V; break; + case 4 : R = n; G = m; B = V; break; + case 5 : R = V; G = m; B = n; break; + } + } + R*=255; G*=255; B*=255; + *(p1++) = (T)(R<0?0:(R>255?255:R)); + *(p2++) = (T)(G<0?0:(G>255?255:G)); + *(p3++) = (T)(B<0?0:(B>255?255:B)); + } + return *this; + } + + CImg<Tuchar> get_HSVtoRGB() const { + return CImg<Tuchar>(*this,false).HSVtoRGB(); + } + + //! Convert color pixels from (R,G,B) to (H,S,L). + CImg<T>& RGBtoHSL() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoHSL() : Input image dimension is dim=%u, " + "should be a (R,G,B) image.", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + R = (Tfloat)*p1, + G = (Tfloat)*p2, + B = (Tfloat)*p3, + nR = (R<0?0:(R>255?255:R))/255, + nG = (G<0?0:(G>255?255:G))/255, + nB = (B<0?0:(B>255?255:B))/255, + m = cimg::min(nR,nG,nB), + M = cimg::max(nR,nG,nB), + L = (m+M)/2; + Tfloat H = 0, S = 0; + if (M==m) H = S = 0; + else { + const Tfloat + f = (nR==m)?(nG-nB):((nG==m)?(nB-nR):(nR-nG)), + i = (nR==m)?3.0f:((nG==m)?5.0f:1.0f); + H = (i-f/(M-m)); + if (H>=6) H-=6; + H*=60; + S = (2*L<=1)?((M-m)/(M+m)):((M-m)/(2-M-m)); + } + *(p1++) = (T)H; + *(p2++) = (T)S; + *(p3++) = (T)L; + } + return *this; + } + + CImg<Tfloat> get_RGBtoHSL() const { + return CImg< Tfloat>(*this,false).RGBtoHSL(); + } + + //! Convert color pixels from (H,S,L) to (R,G,B). + CImg<T>& HSLtoRGB() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::HSLtoRGB() : Input image dimension is dim=%u, " + "should be a (H,S,V) image", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + H = (Tfloat)*p1, + S = (Tfloat)*p2, + L = (Tfloat)*p3, + q = 2*L<1?L*(1+S):(L+S-L*S), + p = 2*L-q, + h = H/360, + tr = h + 1.0f/3, + tg = h, + tb = h - 1.0f/3, + ntr = tr<0?tr+1:(tr>1?tr-1:tr), + ntg = tg<0?tg+1:(tg>1?tg-1:tg), + ntb = tb<0?tb+1:(tb>1?tb-1:tb), + R = 255*(6*ntr<1?p+(q-p)*6*ntr:(2*ntr<1?q:(3*ntr<2?p+(q-p)*6*(2.0f/3-ntr):p))), + G = 255*(6*ntg<1?p+(q-p)*6*ntg:(2*ntg<1?q:(3*ntg<2?p+(q-p)*6*(2.0f/3-ntg):p))), + B = 255*(6*ntb<1?p+(q-p)*6*ntb:(2*ntb<1?q:(3*ntb<2?p+(q-p)*6*(2.0f/3-ntb):p))); + *(p1++) = (T)(R<0?0:(R>255?255:R)); + *(p2++) = (T)(G<0?0:(G>255?255:G)); + *(p3++) = (T)(B<0?0:(B>255?255:B)); + } + return *this; + } + + CImg<Tuchar> get_HSLtoRGB() const { + return CImg<Tuchar>(*this,false).HSLtoRGB(); + } + + //! Convert color pixels from (R,G,B) to (H,S,I). + //! Reference: "Digital Image Processing, 2nd. edition", R. Gonzalez and R. Woods. Prentice Hall, 2002. + CImg<T>& RGBtoHSI() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoHSI() : Input image dimension is dim=%u, " + "should be a (R,G,B) image.", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + R = (Tfloat)*p1, + G = (Tfloat)*p2, + B = (Tfloat)*p3, + nR = (R<0?0:(R>255?255:R))/255, + nG = (G<0?0:(G>255?255:G))/255, + nB = (B<0?0:(B>255?255:B))/255, + m = cimg::min(nR,nG,nB), + theta = (Tfloat)(cimg_std::acos(0.5f*((nR-nG)+(nR-nB))/cimg_std::sqrt(cimg_std::pow(nR-nG,2)+(nR-nB)*(nG-nB)))*180/cimg::valuePI), + sum = nR + nG + nB; + Tfloat H = 0, S = 0, I = 0; + if (theta>0) H = (nB<=nG)?theta:360-theta; + if (sum>0) S = 1 - 3/sum*m; + I = sum/3; + *(p1++) = (T)H; + *(p2++) = (T)S; + *(p3++) = (T)I; + } + return *this; + } + + CImg<Tfloat> get_RGBtoHSI() const { + return CImg<Tfloat>(*this,false).RGBtoHSI(); + } + + //! Convert color pixels from (H,S,I) to (R,G,B). + CImg<T>& HSItoRGB() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::HSItoRGB() : Input image dimension is dim=%u, " + "should be a (H,S,I) image", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + Tfloat + H = (Tfloat)*p1, + S = (Tfloat)*p2, + I = (Tfloat)*p3, + a = I*(1-S), + R = 0, G = 0, B = 0; + if (H<120) { + B = a; + R = (Tfloat)(I*(1+S*cimg_std::cos(H*cimg::valuePI/180)/cimg_std::cos((60-H)*cimg::valuePI/180))); + G = 3*I-(R+B); + } else if (H<240) { + H-=120; + R = a; + G = (Tfloat)(I*(1+S*cimg_std::cos(H*cimg::valuePI/180)/cimg_std::cos((60-H)*cimg::valuePI/180))); + B = 3*I-(R+G); + } else { + H-=240; + G = a; + B = (Tfloat)(I*(1+S*cimg_std::cos(H*cimg::valuePI/180)/cimg_std::cos((60-H)*cimg::valuePI/180))); + R = 3*I-(G+B); + } + R*=255; G*=255; B*=255; + *(p1++) = (T)(R<0?0:(R>255?255:R)); + *(p2++) = (T)(G<0?0:(G>255?255:G)); + *(p3++) = (T)(B<0?0:(B>255?255:B)); + } + return *this; + } + + CImg<Tfloat> get_HSItoRGB() const { + return CImg< Tuchar>(*this,false).HSItoRGB(); + } + + //! Convert color pixels from (R,G,B) to (Y,Cb,Cr)_8. + CImg<T>& RGBtoYCbCr() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoYCbCr() : Input image dimension is dim=%u, " + "should be a (R,G,B) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + R = (Tfloat)*p1, + G = (Tfloat)*p2, + B = (Tfloat)*p3, + Y = (66*R + 129*G + 25*B + 128)/256 + 16, + Cb = (-38*R - 74*G + 112*B + 128)/256 + 128, + Cr = (112*R - 94*G - 18*B + 128)/256 + 128; + *(p1++) = (T)(Y<0?0:(Y>255?255:Y)); + *(p2++) = (T)(Cb<0?0:(Cb>255?255:Cb)); + *(p3++) = (T)(Cr<0?0:(Cr>255?255:Cr)); + } + return *this; + } + + CImg<Tuchar> get_RGBtoYCbCr() const { + return CImg<Tuchar>(*this,false).RGBtoYCbCr(); + } + + //! Convert color pixels from (R,G,B) to (Y,Cb,Cr)_8. + CImg<T>& YCbCrtoRGB() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::YCbCrtoRGB() : Input image dimension is dim=%u, " + "should be a (Y,Cb,Cr)_8 image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + Y = (Tfloat)*p1 - 16, + Cb = (Tfloat)*p2 - 128, + Cr = (Tfloat)*p3 - 128, + R = (298*Y + 409*Cr + 128)/256, + G = (298*Y - 100*Cb - 208*Cr + 128)/256, + B = (298*Y + 516*Cb + 128)/256; + *(p1++) = (T)(R<0?0:(R>255?255:R)); + *(p2++) = (T)(G<0?0:(G>255?255:G)); + *(p3++) = (T)(B<0?0:(B>255?255:B)); + } + return *this; + } + + CImg<Tuchar> get_YCbCrtoRGB() const { + return CImg<Tuchar>(*this,false).YCbCrtoRGB(); + } + + //! Convert color pixels from (R,G,B) to (Y,U,V). + CImg<T>& RGBtoYUV() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoYUV() : Input image dimension is dim=%u, " + "should be a (R,G,B) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + R = (Tfloat)*p1/255, + G = (Tfloat)*p2/255, + B = (Tfloat)*p3/255, + Y = 0.299f*R + 0.587f*G + 0.114f*B; + *(p1++) = (T)Y; + *(p2++) = (T)(0.492f*(B-Y)); + *(p3++) = (T)(0.877*(R-Y)); + } + return *this; + } + + CImg<Tfloat> get_RGBtoYUV() const { + return CImg<Tfloat>(*this,false).RGBtoYUV(); + } + + //! Convert color pixels from (Y,U,V) to (R,G,B). + CImg<T>& YUVtoRGB() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::YUVtoRGB() : Input image dimension is dim=%u, " + "should be a (Y,U,V) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + Y = (Tfloat)*p1, + U = (Tfloat)*p2, + V = (Tfloat)*p3, + R = (Y + 1.140f*V)*255, + G = (Y - 0.395f*U - 0.581f*V)*255, + B = (Y + 2.032f*U)*255; + *(p1++) = (T)(R<0?0:(R>255?255:R)); + *(p2++) = (T)(G<0?0:(G>255?255:G)); + *(p3++) = (T)(B<0?0:(B>255?255:B)); + } + return *this; + } + + CImg<Tuchar> get_YUVtoRGB() const { + return CImg< Tuchar>(*this,false).YUVtoRGB(); + } + + //! Convert color pixels from (R,G,B) to (C,M,Y). + CImg<T>& RGBtoCMY() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoCMY() : Input image dimension is dim=%u, " + "should be a (R,G,B) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + R = (Tfloat)*p1/255, + G = (Tfloat)*p2/255, + B = (Tfloat)*p3/255; + *(p1++) = (T)(1 - R); + *(p2++) = (T)(1 - G); + *(p3++) = (T)(1 - B); + } + return *this; + } + + CImg<Tfloat> get_RGBtoCMY() const { + return CImg<Tfloat>(*this,false).RGBtoCMY(); + } + + //! Convert (C,M,Y) pixels of a color image into the (R,G,B) color space. + CImg<T>& CMYtoRGB() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::CMYtoRGB() : Input image dimension is dim=%u, " + "should be a (C,M,Y) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + C = (Tfloat)*p1, + M = (Tfloat)*p2, + Y = (Tfloat)*p3, + R = 255*(1 - C), + G = 255*(1 - M), + B = 255*(1 - Y); + *(p1++) = (T)(R<0?0:(R>255?255:R)); + *(p2++) = (T)(G<0?0:(G>255?255:G)); + *(p3++) = (T)(B<0?0:(B>255?255:B)); + } + return *this; + } + + CImg<Tuchar> get_CMYtoRGB() const { + return CImg<Tuchar>(*this,false).CMYtoRGB(); + } + + //! Convert color pixels from (C,M,Y) to (C,M,Y,K). + CImg<T>& CMYtoCMYK() { + return get_CMYtoCMYK().transfer_to(*this); + } + + CImg<Tfloat> get_CMYtoCMYK() const { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::CMYtoCMYK() : Input image dimension is dim=%u, " + "should be a (C,M,Y) image (dim=3)", + pixel_type(),dim); + CImg<Tfloat> res(width,height,depth,4); + const T *ps1 = ptr(0,0,0,0), *ps2 = ptr(0,0,0,1), *ps3 = ptr(0,0,0,2); + Tfloat *pd1 = res.ptr(0,0,0,0), *pd2 = res.ptr(0,0,0,1), *pd3 = res.ptr(0,0,0,2), *pd4 = res.ptr(0,0,0,3); + for (unsigned long N = width*height*depth; N; --N) { + Tfloat + C = (Tfloat)*(ps1++), + M = (Tfloat)*(ps2++), + Y = (Tfloat)*(ps3++), + K = cimg::min(C,M,Y); + if (K==1) C = M = Y = 0; + else { const Tfloat K1 = 1 - K; C = (C - K)/K1; M = (M - K)/K1; Y = (Y - K)/K1; } + *(pd1++) = C; + *(pd2++) = M; + *(pd3++) = Y; + *(pd4++) = K; + } + return res; + } + + //! Convert (C,M,Y,K) pixels of a color image into the (C,M,Y) color space. + CImg<T>& CMYKtoCMY() { + return get_CMYKtoCMY().transfer_to(*this); + } + + CImg<Tfloat> get_CMYKtoCMY() const { + if (is_empty()) return *this; + if (dim!=4) + throw CImgInstanceException("CImg<%s>::CMYKtoCMY() : Input image dimension is dim=%u, " + "should be a (C,M,Y,K) image (dim=4)", + pixel_type(),dim); + CImg<Tfloat> res(width,height,depth,3); + const T *ps1 = ptr(0,0,0,0), *ps2 = ptr(0,0,0,1), *ps3 = ptr(0,0,0,2), *ps4 = ptr(0,0,0,3); + Tfloat *pd1 = res.ptr(0,0,0,0), *pd2 = res.ptr(0,0,0,1), *pd3 = res.ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + C = (Tfloat)*ps1, + M = (Tfloat)*ps2, + Y = (Tfloat)*ps3, + K = (Tfloat)*ps4, + K1 = 1 - K; + *(pd1++) = C*K1 + K; + *(pd2++) = M*K1 + K; + *(pd3++) = Y*K1 + K; + } + return res; + } + + //! Convert color pixels from (R,G,B) to (X,Y,Z)_709. + CImg<T>& RGBtoXYZ() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoXYZ() : Input image dimension is dim=%u, " + "should be a (R,G,B) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + R = (Tfloat)*p1/255, + G = (Tfloat)*p2/255, + B = (Tfloat)*p3/255; + *(p1++) = (T)(0.412453f*R + 0.357580f*G + 0.180423f*B); + *(p2++) = (T)(0.212671f*R + 0.715160f*G + 0.072169f*B); + *(p3++) = (T)(0.019334f*R + 0.119193f*G + 0.950227f*B); + } + return *this; + } + + CImg<Tfloat> get_RGBtoXYZ() const { + return CImg<Tfloat>(*this,false).RGBtoXYZ(); + } + + //! Convert (X,Y,Z)_709 pixels of a color image into the (R,G,B) color space. + CImg<T>& XYZtoRGB() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::XYZtoRGB() : Input image dimension is dim=%u, " + "should be a (X,Y,Z) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + X = (Tfloat)*p1*255, + Y = (Tfloat)*p2*255, + Z = (Tfloat)*p3*255, + R = 3.240479f*X - 1.537150f*Y - 0.498535f*Z, + G = -0.969256f*X + 1.875992f*Y + 0.041556f*Z, + B = 0.055648f*X - 0.204043f*Y + 1.057311f*Z; + *(p1++) = (T)(R<0?0:(R>255?255:R)); + *(p2++) = (T)(G<0?0:(G>255?255:G)); + *(p3++) = (T)(B<0?0:(B>255?255:B)); + } + return *this; + } + + CImg<Tuchar> get_XYZtoRGB() const { + return CImg<Tuchar>(*this,false).XYZtoRGB(); + } + + //! Convert (X,Y,Z)_709 pixels of a color image into the (L*,a*,b*) color space. + CImg<T>& XYZtoLab() { +#define _cimg_Labf(x) ((x)>=0.008856f?(cimg_std::pow(x,(Tfloat)1/3)):(7.787f*(x)+16.0f/116)) + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::XYZtoLab() : Input image dimension is dim=%u, " + "should be a (X,Y,Z) image (dim=3)", + pixel_type(),dim); + const Tfloat + Xn = (Tfloat)(0.412453f + 0.357580f + 0.180423f), + Yn = (Tfloat)(0.212671f + 0.715160f + 0.072169f), + Zn = (Tfloat)(0.019334f + 0.119193f + 0.950227f); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + X = (Tfloat)*p1, + Y = (Tfloat)*p2, + Z = (Tfloat)*p3, + XXn = X/Xn, YYn = Y/Yn, ZZn = Z/Zn, + fX = (Tfloat)_cimg_Labf(XXn), + fY = (Tfloat)_cimg_Labf(YYn), + fZ = (Tfloat)_cimg_Labf(ZZn); + *(p1++) = (T)(116*fY - 16); + *(p2++) = (T)(500*(fX - fY)); + *(p3++) = (T)(200*(fY - fZ)); + } + return *this; + } + + CImg<Tfloat> get_XYZtoLab() const { + return CImg<Tfloat>(*this,false).XYZtoLab(); + } + + //! Convert (L,a,b) pixels of a color image into the (X,Y,Z) color space. + CImg<T>& LabtoXYZ() { +#define _cimg_Labfi(x) ((x)>=0.206893f?((x)*(x)*(x)):(((x)-16.0f/116)/7.787f)) + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::LabtoXYZ() : Input image dimension is dim=%u, " + "should be a (X,Y,Z) image (dim=3)", + pixel_type(),dim); + const Tfloat + Xn = (Tfloat)(0.412453f + 0.357580f + 0.180423f), + Yn = (Tfloat)(0.212671f + 0.715160f + 0.072169f), + Zn = (Tfloat)(0.019334f + 0.119193f + 0.950227f); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + L = (Tfloat)*p1, + a = (Tfloat)*p2, + b = (Tfloat)*p3, + cY = (L + 16)/116, + Y = (Tfloat)(Yn*_cimg_Labfi(cY)), + pY = (Tfloat)cimg_std::pow(Y/Yn,(Tfloat)1/3), + cX = a/500 + pY, + X = Xn*cX*cX*cX, + cZ = pY - b/200, + Z = Zn*cZ*cZ*cZ; + *(p1++) = (T)(X); + *(p2++) = (T)(Y); + *(p3++) = (T)(Z); + } + return *this; + } + + CImg<Tfloat> get_LabtoXYZ() const { + return CImg<Tfloat>(*this,false).LabtoXYZ(); + } + + //! Convert (X,Y,Z)_709 pixels of a color image into the (x,y,Y) color space. + CImg<T>& XYZtoxyY() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::XYZtoxyY() : Input image dimension is dim=%u, " + "should be a (X,Y,Z) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + X = (Tfloat)*p1, + Y = (Tfloat)*p2, + Z = (Tfloat)*p3, + sum = (X+Y+Z), + nsum = sum>0?sum:1; + *(p1++) = (T)(X/nsum); + *(p2++) = (T)(Y/nsum); + *(p3++) = (T)Y; + } + return *this; + } + + CImg<Tfloat> get_XYZtoxyY() const { + return CImg<Tfloat>(*this,false).XYZtoxyY(); + } + + //! Convert (x,y,Y) pixels of a color image into the (X,Y,Z)_709 color space. + CImg<T>& xyYtoXYZ() { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::xyYtoXYZ() : Input image dimension is dim=%u, " + "should be a (x,y,Y) image (dim=3)", + pixel_type(),dim); + T *p1 = ptr(0,0,0,0), *p2 = ptr(0,0,0,1), *p3 = ptr(0,0,0,2); + for (unsigned long N = width*height*depth; N; --N) { + const Tfloat + px = (Tfloat)*p1, + py = (Tfloat)*p2, + Y = (Tfloat)*p3, + ny = py>0?py:1; + *(p1++) = (T)(px*Y/ny); + *(p2++) = (T)Y; + *(p3++) = (T)((1-px-py)*Y/ny); + } + return *this; + } + + CImg<Tfloat> get_xyYtoXYZ() const { + return CImg<Tfloat>(*this,false).xyYtoXYZ(); + } + + //! Convert a (R,G,B) image to a (L,a,b) one. + CImg<T>& RGBtoLab() { + return RGBtoXYZ().XYZtoLab(); + } + + CImg<Tfloat> get_RGBtoLab() const { + return CImg<Tfloat>(*this,false).RGBtoLab(); + } + + //! Convert a (L,a,b) image to a (R,G,B) one. + CImg<T>& LabtoRGB() { + return LabtoXYZ().XYZtoRGB(); + } + + CImg<Tuchar> get_LabtoRGB() const { + return CImg<Tuchar>(*this,false).LabtoRGB(); + } + + //! Convert a (R,G,B) image to a (x,y,Y) one. + CImg<T>& RGBtoxyY() { + return RGBtoXYZ().XYZtoxyY(); + } + + CImg<Tfloat> get_RGBtoxyY() const { + return CImg<Tfloat>(*this,false).RGBtoxyY(); + } + + //! Convert a (x,y,Y) image to a (R,G,B) one. + CImg<T>& xyYtoRGB() { + return xyYtoXYZ().XYZtoRGB(); + } + + CImg<Tuchar> get_xyYtoRGB() const { + return CImg<Tuchar>(*this,false).xyYtoRGB(); + } + + //! Convert a (R,G,B) image to a (C,M,Y,K) one. + CImg<T>& RGBtoCMYK() { + return RGBtoCMY().CMYtoCMYK(); + } + + CImg<Tfloat> get_RGBtoCMYK() const { + return CImg<Tfloat>(*this,false).RGBtoCMYK(); + } + + //! Convert a (C,M,Y,K) image to a (R,G,B) one. + CImg<T>& CMYKtoRGB() { + return CMYKtoCMY().CMYtoRGB(); + } + + CImg<Tuchar> get_CMYKtoRGB() const { + return CImg<Tuchar>(*this,false).CMYKtoRGB(); + } + + //! Convert a (R,G,B) image to a Bayer-coded representation. + /** + \note First (upper-left) pixel if the red component of the pixel color. + **/ + CImg<T>& RGBtoBayer() { + return get_RGBtoBayer().transfer_to(*this); + } + + CImg<T> get_RGBtoBayer() const { + if (is_empty()) return *this; + if (dim!=3) + throw CImgInstanceException("CImg<%s>::RGBtoBayer() : Input image dimension is dim=%u, " + "should be a (R,G,B) image (dim=3)", + pixel_type(),dim); + CImg<T> res(width,height,depth,1); + const T *pR = ptr(0,0,0,0), *pG = ptr(0,0,0,1), *pB = ptr(0,0,0,2); + T *ptrd = res.data; + cimg_forXYZ(*this,x,y,z) { + if (y%2) { + if (x%2) *(ptrd++) = *pB; + else *(ptrd++) = *pG; + } else { + if (x%2) *(ptrd++) = *pG; + else *(ptrd++) = *pR; + } + ++pR; ++pG; ++pB; + } + return res; + } + + //! Convert a Bayer-coded image to a (R,G,B) color image. + CImg<T>& BayertoRGB(const unsigned int interpolation_type=3) { + return get_BayertoRGB(interpolation_type).transfer_to(*this); + } + + CImg<Tuchar> get_BayertoRGB(const unsigned int interpolation_type=3) const { + if (is_empty()) return *this; + if (dim!=1) + throw CImgInstanceException("CImg<%s>::BayertoRGB() : Input image dimension is dim=%u, " + "should be a Bayer image (dim=1)", + pixel_type(),dim); + CImg<Tuchar> res(width,height,depth,3); + CImg_3x3(I,T); + Tuchar *pR = res.ptr(0,0,0,0), *pG = res.ptr(0,0,0,1), *pB = res.ptr(0,0,0,2); + switch (interpolation_type) { + case 3 : { // Edge-directed + CImg_3x3(R,T); + CImg_3x3(G,T); + CImg_3x3(B,T); + cimg_forXYZ(*this,x,y,z) { + const int _p1x = x?x-1:1, _p1y = y?y-1:1, _n1x = x<dimx()-1?x+1:x-1, _n1y = y<dimy()-1?y+1:y-1; + cimg_get3x3(*this,x,y,z,0,I); + if (y%2) { + if (x%2) { + const Tfloat alpha = cimg::sqr((Tfloat)Inc - Ipc), beta = cimg::sqr((Tfloat)Icn - Icp), cx = 1/(1+alpha), cy = 1/(1+beta); + *pG = (Tuchar)((cx*(Inc+Ipc) + cy*(Icn+Icp))/(2*(cx+cy))); + } else *pG = (Tuchar)Icc; + } else { + if (x%2) *pG = (Tuchar)Icc; + else { + const Tfloat alpha = cimg::sqr((Tfloat)Inc - Ipc), beta = cimg::sqr((Tfloat)Icn - Icp), cx = 1/(1+alpha), cy = 1/(1+beta); + *pG = (Tuchar)((cx*(Inc+Ipc) + cy*(Icn+Icp))/(2*(cx+cy))); + } + } + ++pG; + } + cimg_forXYZ(*this,x,y,z) { + const int _p1x = x?x-1:1, _p1y = y?y-1:1, _n1x = x<dimx()-1?x+1:x-1, _n1y = y<dimy()-1?y+1:y-1; + cimg_get3x3(*this,x,y,z,0,I); + cimg_get3x3(res,x,y,z,1,G); + if (y%2) { + if (x%2) *pB = (Tuchar)Icc; + else { *pR = (Tuchar)((Icn+Icp)/2); *pB = (Tuchar)((Inc+Ipc)/2); } + } else { + if (x%2) { *pR = (Tuchar)((Inc+Ipc)/2); *pB = (Tuchar)((Icn+Icp)/2); } + else *pR = (Tuchar)Icc; + } + ++pR; ++pB; + } + pR = res.ptr(0,0,0,0); + pG = res.ptr(0,0,0,1); + pB = res.ptr(0,0,0,2); + cimg_forXYZ(*this,x,y,z) { + const int _p1x = x?x-1:1, _p1y = y?y-1:1, _n1x = x<dimx()-1?x+1:x-1, _n1y = y<dimy()-1?y+1:y-1; + cimg_get3x3(res,x,y,z,0,R); + cimg_get3x3(res,x,y,z,1,G); + cimg_get3x3(res,x,y,z,2,B); + if (y%2) { + if (x%2) { + const float alpha = (float)cimg::sqr(Rnc-Rpc), beta = (float)cimg::sqr(Rcn-Rcp), cx = 1/(1+alpha), cy = 1/(1+beta); + *pR = (Tuchar)((cx*(Rnc+Rpc) + cy*(Rcn+Rcp))/(2*(cx+cy))); + } + } else { + if (!(x%2)) { + const float alpha = (float)cimg::sqr(Bnc-Bpc), beta = (float)cimg::sqr(Bcn-Bcp), cx = 1/(1+alpha), cy = 1/(1+beta); + *pB = (Tuchar)((cx*(Bnc+Bpc) + cy*(Bcn+Bcp))/(2*(cx+cy))); + } + } + ++pR; ++pG; ++pB; + } + } break; + case 2 : { // Linear interpolation + cimg_forXYZ(*this,x,y,z) { + const int _p1x = x?x-1:1, _p1y = y?y-1:1, _n1x = x<dimx()-1?x+1:x-1, _n1y = y<dimy()-1?y+1:y-1; + cimg_get3x3(*this,x,y,z,0,I); + if (y%2) { + if (x%2) { *pR = (Tuchar)((Ipp+Inn+Ipn+Inp)/4); *pG = (Tuchar)((Inc+Ipc+Icn+Icp)/4); *pB = (Tuchar)Icc; } + else { *pR = (Tuchar)((Icp+Icn)/2); *pG = (Tuchar)Icc; *pB = (Tuchar)((Inc+Ipc)/2); } + } else { + if (x%2) { *pR = (Tuchar)((Ipc+Inc)/2); *pG = (Tuchar)Icc; *pB = (Tuchar)((Icn+Icp)/2); } + else { *pR = (Tuchar)Icc; *pG = (Tuchar)((Inc+Ipc+Icn+Icp)/4); *pB = (Tuchar)((Ipp+Inn+Ipn+Inp)/4); } + } + ++pR; ++pG; ++pB; + } + } break; + case 1 : { // Nearest neighbor interpolation + cimg_forXYZ(*this,x,y,z) { + const int _p1x = x?x-1:1, _p1y = y?y-1:1, _n1x = x<dimx()-1?x+1:x-1, _n1y = y<dimy()-1?y+1:y-1; + cimg_get3x3(*this,x,y,z,0,I); + if (y%2) { + if (x%2) { *pR = (Tuchar)cimg::min(Ipp,Inn,Ipn,Inp); *pG = (Tuchar)cimg::min(Inc,Ipc,Icn,Icp); *pB = (Tuchar)Icc; } + else { *pR = (Tuchar)cimg::min(Icn,Icp); *pG = (Tuchar)Icc; *pB = (Tuchar)cimg::min(Inc,Ipc); } + } else { + if (x%2) { *pR = (Tuchar)cimg::min(Inc,Ipc); *pG = (Tuchar)Icc; *pB = (Tuchar)cimg::min(Icn,Icp); } + else { *pR = (Tuchar)Icc; *pG = (Tuchar)cimg::min(Inc,Ipc,Icn,Icp); *pB = (Tuchar)cimg::min(Ipp,Inn,Ipn,Inp); } + } + ++pR; ++pG; ++pB; + } + } break; + default : { // 0-filling interpolation + const T *ptrs = data; + res.fill(0); + cimg_forXYZ(*this,x,y,z) { + const T val = *(ptrs++); + if (y%2) { if (x%2) *pB = val; else *pG = val; } else { if (x%2) *pG = val; else *pR = val; } + ++pR; ++pG; ++pB; + } + } + } + return res; + } + + //@} + //------------------- + // + //! \name Drawing + //@{ + //------------------- + + // The following _draw_scanline() routines are *non user-friendly functions*, used only for internal purpose. + // Pre-requisites : x0<x1, y-coordinate is valid, col is valid. + template<typename tc> + CImg<T>& _draw_scanline(const int x0, const int x1, const int y, + const tc *const color, const float opacity=1, + const float brightness=1, const bool init=false) { + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + static float nopacity = 0, copacity = 0; + static unsigned int whz = 0; + static const tc *col = 0; + if (init) { + nopacity = cimg::abs(opacity); + copacity = 1 - cimg::max(opacity,0); + whz = width*height*depth; + } else { + const int nx0 = x0>0?x0:0, nx1 = x1<dimx()?x1:dimx()-1, dx = nx1 - nx0; + if (dx>=0) { + col = color; + const unsigned int off = whz-dx-1; + T *ptrd = ptr(nx0,y); + if (opacity>=1) { // ** Opaque drawing ** + if (brightness==1) { // Brightness==1 + if (sizeof(T)!=1) cimg_forV(*this,k) { + const T val = (T)*(col++); + for (int x = dx; x>=0; --x) *(ptrd++) = val; + ptrd+=off; + } else cimg_forV(*this,k) { + const T val = (T)*(col++); + cimg_std::memset(ptrd,(int)val,dx+1); + ptrd+=whz; + } + } else if (brightness<1) { // Brightness<1 + if (sizeof(T)!=1) cimg_forV(*this,k) { + const T val = (T)(*(col++)*brightness); + for (int x = dx; x>=0; --x) *(ptrd++) = val; + ptrd+=off; + } else cimg_forV(*this,k) { + const T val = (T)(*(col++)*brightness); + cimg_std::memset(ptrd,(int)val,dx+1); + ptrd+=whz; + } + } else { // Brightness>1 + if (sizeof(T)!=1) cimg_forV(*this,k) { + const T val = (T)((2-brightness)**(col++) + (brightness-1)*maxval); + for (int x = dx; x>=0; --x) *(ptrd++) = val; + ptrd+=off; + } else cimg_forV(*this,k) { + const T val = (T)((2-brightness)**(col++) + (brightness-1)*maxval); + cimg_std::memset(ptrd,(int)val,dx+1); + ptrd+=whz; + } + } + } else { // ** Transparent drawing ** + if (brightness==1) { // Brightness==1 + cimg_forV(*this,k) { + const T val = (T)*(col++); + for (int x = dx; x>=0; --x) { *ptrd = (T)(val*nopacity + *ptrd*copacity); ++ptrd; } + ptrd+=off; + } + } else if (brightness<=1) { // Brightness<1 + cimg_forV(*this,k) { + const T val = (T)(*(col++)*brightness); + for (int x = dx; x>=0; --x) { *ptrd = (T)(val*nopacity + *ptrd*copacity); ++ptrd; } + ptrd+=off; + } + } else { // Brightness>1 + cimg_forV(*this,k) { + const T val = (T)((2-brightness)**(col++) + (brightness-1)*maxval); + for (int x = dx; x>=0; --x) { *ptrd = (T)(val*nopacity + *ptrd*copacity); ++ptrd; } + ptrd+=off; + } + } + } + } + } + return *this; + } + + template<typename tc> + CImg<T>& _draw_scanline(const tc *const color, const float opacity=1) { + return _draw_scanline(0,0,0,color,opacity,0,true); + } + + //! Draw a 2D colored point (pixel). + /** + \param x0 X-coordinate of the point. + \param y0 Y-coordinate of the point. + \param color Pointer to \c dimv() consecutive values, defining the color values. + \param opacity Drawing opacity (optional). + \note + - Clipping is supported. + - To set pixel values without clipping needs, you should use the faster CImg::operator()() function. + \par Example: + \code + CImg<unsigned char> img(100,100,1,3,0); + const unsigned char color[] = { 255,128,64 }; + img.draw_point(50,50,color); + \endcode + **/ + template<typename tc> + CImg<T>& draw_point(const int x0, const int y0, + const tc *const color, const float opacity=1) { + return draw_point(x0,y0,0,color,opacity); + } + + //! Draw a 2D colored point (pixel). + template<typename tc> + CImg<T>& draw_point(const int x0, const int y0, + const CImg<tc>& color, const float opacity=1) { + return draw_point(x0,y0,color.data,opacity); + } + + //! Draw a 3D colored point (voxel). + template<typename tc> + CImg<T>& draw_point(const int x0, const int y0, const int z0, + const tc *const color, const float opacity=1) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_point() : Specified color is (null)", + pixel_type()); + if (x0>=0 && y0>=0 && z0>=0 && x0<dimx() && y0<dimy() && z0<dimz()) { + const unsigned int whz = width*height*depth; + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + T *ptrd = ptr(x0,y0,z0,0); + const tc *col = color; + if (opacity>=1) cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=whz; } + else cimg_forV(*this,k) { *ptrd = (T)(*(col++)*nopacity + *ptrd*copacity); ptrd+=whz; } + } + return *this; + } + + //! Draw a 3D colored point (voxel). + template<typename tc> + CImg<T>& draw_point(const int x0, const int y0, const int z0, + const CImg<tc>& color, const float opacity=1) { + return draw_point(x0,y0,z0,color.data,opacity); + } + + // Draw a cloud of colored point (internal). + template<typename t, typename tc> + CImg<T>& _draw_point(const t& points, const unsigned int W, const unsigned int H, + const tc *const color, const float opacity) { + if (is_empty() || !points || !W) return *this; + switch (H) { + case 0 : case 1 : + throw CImgArgumentException("CImg<%s>::draw_point() : Given list of points is not valid.", + pixel_type()); + case 2 : { + for (unsigned int i = 0; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1); + draw_point(x,y,color,opacity); + } + } break; + default : { + for (unsigned int i = 0; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1), z = (int)points(i,2); + draw_point(x,y,z,color,opacity); + } + } + } + return *this; + } + + //! Draw a cloud of colored points. + /** + \param points Coordinates of vertices, stored as a list of vectors. + \param color Pointer to \c dimv() consecutive values of type \c T, defining the drawing color. + \param opacity Drawing opacity (optional). + \note + - This function uses several call to the single CImg::draw_point() procedure, + depending on the vectors size in \p points. + \par Example: + \code + CImg<unsigned char> img(100,100,1,3,0); + const unsigned char color[] = { 255,128,64 }; + CImgList<int> points; + points.insert(CImg<int>::vector(0,0)). + .insert(CImg<int>::vector(70,10)). + .insert(CImg<int>::vector(80,60)). + .insert(CImg<int>::vector(10,90)); + img.draw_point(points,color); + \endcode + **/ + template<typename t, typename tc> + CImg<T>& draw_point(const CImgList<t>& points, + const tc *const color, const float opacity=1) { + unsigned int H = ~0U; cimglist_for(points,p) H = cimg::min(H,(unsigned int)(points[p].size())); + return _draw_point(points,points.size,H,color,opacity); + } + + //! Draw a cloud of colored points. + template<typename t, typename tc> + CImg<T>& draw_point(const CImgList<t>& points, + const CImg<tc>& color, const float opacity=1) { + return draw_point(points,color.data,opacity); + } + + //! Draw a cloud of colored points. + /** + \note + - Similar to the previous function, where the N vertex coordinates are stored as a Nx2 or Nx3 image + (sequence of vectors aligned along the x-axis). + **/ + template<typename t, typename tc> + CImg<T>& draw_point(const CImg<t>& points, + const tc *const color, const float opacity=1) { + return _draw_point(points,points.width,points.height,color,opacity); + } + + //! Draw a cloud of colored points. + template<typename t, typename tc> + CImg<T>& draw_point(const CImg<t>& points, + const CImg<tc>& color, const float opacity=1) { + return draw_point(points,color.data,opacity); + } + + //! Draw a 2D colored line. + /** + \param x0 X-coordinate of the starting line point. + \param y0 Y-coordinate of the starting line point. + \param x1 X-coordinate of the ending line point. + \param y1 Y-coordinate of the ending line point. + \param color Pointer to \c dimv() consecutive values of type \c T, defining the drawing color. + \param opacity Drawing opacity (optional). + \param pattern An integer whose bits describe the line pattern (optional). + \param init_hatch Flag telling if a reinitialization of the hash state must be done (optional). + \note + - Clipping is supported. + - Line routine uses Bresenham's algorithm. + - Set \p init_hatch = false to draw consecutive hatched segments without breaking the line pattern. + \par Example: + \code + CImg<unsigned char> img(100,100,1,3,0); + const unsigned char color[] = { 255,128,64 }; + img.draw_line(40,40,80,70,color); + \endcode + **/ + template<typename tc> + CImg<T>& draw_line(const int x0, const int y0, + const int x1, const int y1, + const tc *const color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_line() : Specified color is (null)", + pixel_type()); + static unsigned int hatch = ~0U - (~0U>>1); + if (init_hatch) hatch = ~0U - (~0U>>1); + const bool xdir = x0<x1, ydir = y0<y1; + int + nx0 = x0, nx1 = x1, ny0 = y0, ny1 = y1, + &xleft = xdir?nx0:nx1, &yleft = xdir?ny0:ny1, + &xright = xdir?nx1:nx0, &yright = xdir?ny1:ny0, + &xup = ydir?nx0:nx1, &yup = ydir?ny0:ny1, + &xdown = ydir?nx1:nx0, &ydown = ydir?ny1:ny0; + if (xright<0 || xleft>=dimx()) return *this; + if (xleft<0) { yleft-=xleft*(yright - yleft)/(xright - xleft); xleft = 0; } + if (xright>=dimx()) { yright-=(xright - dimx())*(yright - yleft)/(xright - xleft); xright = dimx()-1; } + if (ydown<0 || yup>=dimy()) return *this; + if (yup<0) { xup-=yup*(xdown - xup)/(ydown - yup); yup = 0; } + if (ydown>=dimy()) { xdown-=(ydown - dimy())*(xdown - xup)/(ydown - yup); ydown = dimy()-1; } + T *ptrd0 = ptr(nx0,ny0); + int dx = xright - xleft, dy = ydown - yup; + const bool steep = dy>dx; + if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); + const int + offx = (nx0<nx1?1:-1)*(steep?width:1), + offy = (ny0<ny1?1:-1)*(steep?1:width), + wh = width*height; + if (opacity>=1) { + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + if (pattern&hatch) { T *ptrd = ptrd0; const tc* col = color; cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=wh; }} + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + T *ptrd = ptrd0; const tc* col = color; cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=wh; } + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } + } else { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + if (pattern&hatch) { + T *ptrd = ptrd0; const tc* col = color; + cimg_forV(*this,k) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + T *ptrd = ptrd0; const tc* col = color; cimg_forV(*this,k) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } + } + return *this; + } + + //! Draw a 2D colored line. + template<typename tc> + CImg<T>& draw_line(const int x0, const int y0, + const int x1, const int y1, + const CImg<tc>& color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_line(x0,y0,x1,y1,color.data,opacity,pattern,init_hatch); + } + + //! Draw a 2D colored line, with z-buffering. + template<typename tc> + CImg<T>& draw_line(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const tc *const color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + if (!is_empty() && z0>0 && z1>0) { + if (!color) + throw CImgArgumentException("CImg<%s>::draw_line() : Specified color is (null).", + pixel_type()); + static unsigned int hatch = ~0U - (~0U>>1); + if (init_hatch) hatch = ~0U - (~0U>>1); + const bool xdir = x0<x1, ydir = y0<y1; + int + nx0 = x0, nx1 = x1, ny0 = y0, ny1 = y1, + &xleft = xdir?nx0:nx1, &yleft = xdir?ny0:ny1, + &xright = xdir?nx1:nx0, &yright = xdir?ny1:ny0, + &xup = ydir?nx0:nx1, &yup = ydir?ny0:ny1, + &xdown = ydir?nx1:nx0, &ydown = ydir?ny1:ny0; + float + Z0 = 1/z0, Z1 = 1/z1, nz0 = Z0, nz1 = Z1, dz = Z1 - Z0, + &zleft = xdir?nz0:nz1, + &zright = xdir?nz1:nz0, + &zup = ydir?nz0:nz1, + &zdown = ydir?nz1:nz0; + if (xright<0 || xleft>=dimx()) return *this; + if (xleft<0) { + const int D = xright - xleft; + yleft-=xleft*(yright - yleft)/D; + zleft-=xleft*(zright - zleft)/D; + xleft = 0; + } + if (xright>=dimx()) { + const int d = xright - dimx(), D = xright - xleft; + yright-=d*(yright - yleft)/D; + zright-=d*(zright - zleft)/D; + xright = dimx()-1; + } + if (ydown<0 || yup>=dimy()) return *this; + if (yup<0) { + const int D = ydown - yup; + xup-=yup*(xdown - xup)/D; + zup-=yup*(zdown - zup)/D; + yup = 0; + } + if (ydown>=dimy()) { + const int d = ydown - dimy(), D = ydown - yup; + xdown-=d*(xdown - xup)/D; + zdown-=d*(zdown - zup)/D; + ydown = dimy()-1; + } + T *ptrd0 = ptr(nx0,ny0); + float *ptrz = zbuffer + nx0 + ny0*width; + int dx = xright - xleft, dy = ydown - yup; + const bool steep = dy>dx; + if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); + const int + offx = (nx0<nx1?1:-1)*(steep?width:1), + offy = (ny0<ny1?1:-1)*(steep?1:width), + wh = width*height, + ndx = dx>0?dx:1; + if (opacity>=1) { + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz && pattern&hatch) { + *ptrz = z; + T *ptrd = ptrd0; const tc *col = color; + cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=wh; } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz) { + *ptrz = z; + T *ptrd = ptrd0; const tc *col = color; + cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=wh; } + } + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } + } + } else { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz && pattern&hatch) { + *ptrz = z; + T *ptrd = ptrd0; const tc *col = color; + cimg_forV(*this,k) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz) { + *ptrz = z; + T *ptrd = ptrd0; const tc *col = color; + cimg_forV(*this,k) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=wh; } + } + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } + } + } + } + return *this; + } + + //! Draw a 2D colored line, with z-buffering. + template<typename tc> + CImg<T>& draw_line(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const CImg<tc>& color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color.data,opacity,pattern,init_hatch); + } + + //! Draw a 3D colored line. + template<typename tc> + CImg<T>& draw_line(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const tc *const color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_line() : Specified color is (null)", + pixel_type()); + static unsigned int hatch = ~0U - (~0U>>1); + if (init_hatch) hatch = ~0U - (~0U>>1); + int nx0 = x0, ny0 = y0, nz0 = z0, nx1 = x1, ny1 = y1, nz1 = z1; + if (nx0>nx1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); + if (nx1<0 || nx0>=dimx()) return *this; + if (nx0<0) { const int D = 1 + nx1 - nx0; ny0-=nx0*(1 + ny1 - ny0)/D; nz0-=nx0*(1 + nz1 - nz0)/D; nx0 = 0; } + if (nx1>=dimx()) { const int d = nx1-dimx(), D = 1 + nx1 - nx0; ny1+=d*(1 + ny0 - ny1)/D; nz1+=d*(1 + nz0 - nz1)/D; nx1 = dimx()-1; } + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); + if (ny1<0 || ny0>=dimy()) return *this; + if (ny0<0) { const int D = 1 + ny1 - ny0; nx0-=ny0*(1 + nx1 - nx0)/D; nz0-=ny0*(1 + nz1 - nz0)/D; ny0 = 0; } + if (ny1>=dimy()) { const int d = ny1-dimy(), D = 1 + ny1 - ny0; nx1+=d*(1 + nx0 - nx1)/D; nz1+=d*(1 + nz0 - nz1)/D; ny1 = dimy()-1; } + if (nz0>nz1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); + if (nz1<0 || nz0>=dimz()) return *this; + if (nz0<0) { const int D = 1 + nz1 - nz0; nx0-=nz0*(1 + nx1 - nx0)/D; ny0-=nz0*(1 + ny1 - ny0)/D; nz0 = 0; } + if (nz1>=dimz()) { const int d = nz1-dimz(), D = 1 + nz1 - nz0; nx1+=d*(1 + nx0 - nx1)/D; ny1+=d*(1 + ny0 - ny1)/D; nz1 = dimz()-1; } + const unsigned int dmax = cimg::max(cimg::abs(nx1 - nx0),cimg::abs(ny1 - ny0),nz1 - nz0), whz = width*height*depth; + const float px = (nx1 - nx0)/(float)dmax, py = (ny1 - ny0)/(float)dmax, pz = (nz1 - nz0)/(float)dmax; + float x = (float)nx0, y = (float)ny0, z = (float)nz0; + if (opacity>=1) for (unsigned int t = 0; t<=dmax; ++t) { + if (!(~pattern) || (~pattern && pattern&hatch)) { + T* ptrd = ptr((unsigned int)x,(unsigned int)y,(unsigned int)z); + const tc *col = color; cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=whz; } + } + x+=px; y+=py; z+=pz; if (pattern) { hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); } + } else { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + for (unsigned int t = 0; t<=dmax; ++t) { + if (!(~pattern) || (~pattern && pattern&hatch)) { + T* ptrd = ptr((unsigned int)x,(unsigned int)y,(unsigned int)z); + const tc *col = color; cimg_forV(*this,k) { *ptrd = (T)(*(col++)*nopacity + *ptrd*copacity); ptrd+=whz; } + } + x+=px; y+=py; z+=pz; if (pattern) { hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); } + } + } + return *this; + } + + //! Draw a 3D colored line. + template<typename tc> + CImg<T>& draw_line(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const CImg<tc>& color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_line(x0,y0,z0,x1,y1,z1,color.data,opacity,pattern,init_hatch); + } + + //! Draw a 2D textured line. + /** + \param x0 X-coordinate of the starting line point. + \param y0 Y-coordinate of the starting line point. + \param x1 X-coordinate of the ending line point. + \param y1 Y-coordinate of the ending line point. + \param texture Texture image defining the pixel colors. + \param tx0 X-coordinate of the starting texture point. + \param ty0 Y-coordinate of the starting texture point. + \param tx1 X-coordinate of the ending texture point. + \param ty1 Y-coordinate of the ending texture point. + \param opacity Drawing opacity (optional). + \param pattern An integer whose bits describe the line pattern (optional). + \param init_hatch Flag telling if the hash variable must be reinitialized (optional). + \note + - Clipping is supported but not for texture coordinates. + - Line routine uses the well known Bresenham's algorithm. + \par Example: + \code + CImg<unsigned char> img(100,100,1,3,0), texture("texture256x256.ppm"); + const unsigned char color[] = { 255,128,64 }; + img.draw_line(40,40,80,70,texture,0,0,255,255); + \endcode + **/ + template<typename tc> + CImg<T>& draw_line(const int x0, const int y0, + const int x1, const int y1, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + if (is_empty()) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_line() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_line(x0,y0,x1,y1,+texture,tx0,ty0,tx1,ty1,opacity,pattern,init_hatch); + static unsigned int hatch = ~0U - (~0U>>1); + if (init_hatch) hatch = ~0U - (~0U>>1); + const bool xdir = x0<x1, ydir = y0<y1; + int + dtx = tx1-tx0, dty = ty1-ty0, + nx0 = x0, nx1 = x1, ny0 = y0, ny1 = y1, + tnx0 = tx0, tnx1 = tx1, tny0 = ty0, tny1 = ty1, + &xleft = xdir?nx0:nx1, &yleft = xdir?ny0:ny1, &xright = xdir?nx1:nx0, &yright = xdir?ny1:ny0, + &txleft = xdir?tnx0:tnx1, &tyleft = xdir?tny0:tny1, &txright = xdir?tnx1:tnx0, &tyright = xdir?tny1:tny0, + &xup = ydir?nx0:nx1, &yup = ydir?ny0:ny1, &xdown = ydir?nx1:nx0, &ydown = ydir?ny1:ny0, + &txup = ydir?tnx0:tnx1, &tyup = ydir?tny0:tny1, &txdown = ydir?tnx1:tnx0, &tydown = ydir?tny1:tny0; + if (xright<0 || xleft>=dimx()) return *this; + if (xleft<0) { + const int D = xright - xleft; + yleft-=xleft*(yright - yleft)/D; + txleft-=xleft*(txright - txleft)/D; + tyleft-=xleft*(tyright - tyleft)/D; + xleft = 0; + } + if (xright>=dimx()) { + const int d = xright - dimx(), D = xright - xleft; + yright-=d*(yright - yleft)/D; + txright-=d*(txright - txleft)/D; + tyright-=d*(tyright - tyleft)/D; + xright = dimx()-1; + } + if (ydown<0 || yup>=dimy()) return *this; + if (yup<0) { + const int D = ydown - yup; + xup-=yup*(xdown - xup)/D; + txup-=yup*(txdown - txup)/D; + tyup-=yup*(tydown - tyup)/D; + yup = 0; + } + if (ydown>=dimy()) { + const int d = ydown - dimy(), D = ydown - yup; + xdown-=d*(xdown - xup)/D; + txdown-=d*(txdown - txup)/D; + tydown-=d*(tydown - tyup)/D; + ydown = dimy()-1; + } + T *ptrd0 = ptr(nx0,ny0); + int dx = xright - xleft, dy = ydown - yup; + const bool steep = dy>dx; + if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); + const int + offx = (nx0<nx1?1:-1)*(steep?width:1), + offy = (ny0<ny1?1:-1)*(steep?1:width), + wh = width*height, + ndx = dx>0?dx:1; + if (opacity>=1) { + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + if (pattern&hatch) { + T *ptrd = ptrd0; + const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; + cimg_forV(*this,k) { *ptrd = (T)texture(tx,ty,0,k); ptrd+=wh; } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + T *ptrd = ptrd0; + const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; + cimg_forV(*this,k) { *ptrd = (T)texture(tx,ty,0,k); ptrd+=wh; } + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } + } else { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + T *ptrd = ptrd0; + if (pattern&hatch) { + const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; + cimg_forV(*this,k) { *ptrd = (T)(nopacity*texture(tx,ty,0,k) + *ptrd*copacity); ptrd+=wh; } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + T *ptrd = ptrd0; + const int tx = tx0 + x*dtx/ndx, ty = ty0 + x*dty/ndx; + cimg_forV(*this,k) { *ptrd = (T)(nopacity*texture(tx,ty,0,k) + *ptrd*copacity); ptrd+=wh; } + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } + } + return *this; + } + + //! Draw a 2D textured line, with perspective correction. + template<typename tc> + CImg<T>& draw_line(const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + if (is_empty() && z0<=0 && z1<=0) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_line() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_line(x0,y0,z0,x1,y1,z1,+texture,tx0,ty0,tx1,ty1,opacity,pattern,init_hatch); + static unsigned int hatch = ~0U - (~0U>>1); + if (init_hatch) hatch = ~0U - (~0U>>1); + const bool xdir = x0<x1, ydir = y0<y1; + int + nx0 = x0, nx1 = x1, ny0 = y0, ny1 = y1, + &xleft = xdir?nx0:nx1, &yleft = xdir?ny0:ny1, + &xright = xdir?nx1:nx0, &yright = xdir?ny1:ny0, + &xup = ydir?nx0:nx1, &yup = ydir?ny0:ny1, + &xdown = ydir?nx1:nx0, &ydown = ydir?ny1:ny0; + float + Tx0 = tx0/z0, Tx1 = tx1/z1, + Ty0 = ty0/z0, Ty1 = ty1/z1, + Z0 = 1/z0, Z1 = 1/z1, + dz = Z1 - Z0, dtx = Tx1 - Tx0, dty = Ty1 - Ty0, + tnx0 = Tx0, tnx1 = Tx1, tny0 = Ty0, tny1 = Ty1, nz0 = Z0, nz1 = Z1, + &zleft = xdir?nz0:nz1, &txleft = xdir?tnx0:tnx1, &tyleft = xdir?tny0:tny1, + &zright = xdir?nz1:nz0, &txright = xdir?tnx1:tnx0, &tyright = xdir?tny1:tny0, + &zup = ydir?nz0:nz1, &txup = ydir?tnx0:tnx1, &tyup = ydir?tny0:tny1, + &zdown = ydir?nz1:nz0, &txdown = ydir?tnx1:tnx0, &tydown = ydir?tny1:tny0; + if (xright<0 || xleft>=dimx()) return *this; + if (xleft<0) { + const int D = xright - xleft; + yleft-=xleft*(yright - yleft)/D; + zleft-=xleft*(zright - zleft)/D; + txleft-=xleft*(txright - txleft)/D; + tyleft-=xleft*(tyright - tyleft)/D; + xleft = 0; + } + if (xright>=dimx()) { + const int d = xright - dimx(), D = xright - xleft; + yright-=d*(yright - yleft)/D; + zright-=d*(zright - zleft)/D; + txright-=d*(txright - txleft)/D; + tyright-=d*(tyright - tyleft)/D; + xright = dimx()-1; + } + if (ydown<0 || yup>=dimy()) return *this; + if (yup<0) { + const int D = ydown - yup; + xup-=yup*(xdown - xup)/D; + zup-=yup*(zdown - zup)/D; + txup-=yup*(txdown - txup)/D; + tyup-=yup*(tydown - tyup)/D; + yup = 0; + } + if (ydown>=dimy()) { + const int d = ydown - dimy(), D = ydown - yup; + xdown-=d*(xdown - xup)/D; + zdown-=d*(zdown - zup)/D; + txdown-=d*(txdown - txup)/D; + tydown-=d*(tydown - tyup)/D; + ydown = dimy()-1; + } + T *ptrd0 = ptr(nx0,ny0); + int dx = xright - xleft, dy = ydown - yup; + const bool steep = dy>dx; + if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); + const int + offx = (nx0<nx1?1:-1)*(steep?width:1), + offy = (ny0<ny1?1:-1)*(steep?1:width), + wh = width*height, + ndx = dx>0?dx:1; + if (opacity>=1) { + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + if (pattern&hatch) { + const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; cimg_forV(*this,k) { *ptrd = (T)texture((int)(tx/z),(int)(ty/z),0,k); ptrd+=wh; } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; cimg_forV(*this,k) { *ptrd = (T)texture((int)(tx/z),(int)(ty/z),0,k); ptrd+=wh; } + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } + } else { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + if (pattern&hatch) { + const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; cimg_forV(*this,k) { *ptrd = (T)(nopacity*texture((int)(tx/z),(int)(ty/z),0,k) + *ptrd*copacity); ptrd+=wh; } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx, tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; + cimg_forV(*this,k) { *ptrd = (T)(nopacity*texture((int)(tx/z),(int)(ty/z),0,k) + *ptrd*copacity); ptrd+=wh; } + ptrd0+=offx; + if ((error-=dy)<0) { ptrd0+=offy; error+=dx; } + } + } + return *this; + } + + //! Draw a 2D textured line, with z-buffering and perspective correction. + template<typename tc> + CImg<T>& draw_line(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + if (!is_empty() && z0>0 && z1>0) { + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_line() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_line(zbuffer,x0,y0,z0,x1,y1,z1,+texture,tx0,ty0,tx1,ty1,opacity,pattern,init_hatch); + static unsigned int hatch = ~0U - (~0U>>1); + if (init_hatch) hatch = ~0U - (~0U>>1); + const bool xdir = x0<x1, ydir = y0<y1; + int + nx0 = x0, nx1 = x1, ny0 = y0, ny1 = y1, + &xleft = xdir?nx0:nx1, &yleft = xdir?ny0:ny1, + &xright = xdir?nx1:nx0, &yright = xdir?ny1:ny0, + &xup = ydir?nx0:nx1, &yup = ydir?ny0:ny1, + &xdown = ydir?nx1:nx0, &ydown = ydir?ny1:ny0; + float + Tx0 = tx0/z0, Tx1 = tx1/z1, + Ty0 = ty0/z0, Ty1 = ty1/z1, + Z0 = 1/z0, Z1 = 1/z1, + dz = Z1 - Z0, dtx = Tx1 - Tx0, dty = Ty1 - Ty0, + tnx0 = Tx0, tnx1 = Tx1, tny0 = Ty0, tny1 = Ty1, nz0 = Z0, nz1 = Z1, + &zleft = xdir?nz0:nz1, &txleft = xdir?tnx0:tnx1, &tyleft = xdir?tny0:tny1, + &zright = xdir?nz1:nz0, &txright = xdir?tnx1:tnx0, &tyright = xdir?tny1:tny0, + &zup = ydir?nz0:nz1, &txup = ydir?tnx0:tnx1, &tyup = ydir?tny0:tny1, + &zdown = ydir?nz1:nz0, &txdown = ydir?tnx1:tnx0, &tydown = ydir?tny1:tny0; + if (xright<0 || xleft>=dimx()) return *this; + if (xleft<0) { + const int D = xright - xleft; + yleft-=xleft*(yright - yleft)/D; + zleft-=xleft*(zright - zleft)/D; + txleft-=xleft*(txright - txleft)/D; + tyleft-=xleft*(tyright - tyleft)/D; + xleft = 0; + } + if (xright>=dimx()) { + const int d = xright - dimx(), D = xright - xleft; + yright-=d*(yright - yleft)/D; + zright-=d*(zright - zleft)/D; + txright-=d*(txright - txleft)/D; + tyright-=d*(tyright - tyleft)/D; + xright = dimx()-1; + } + if (ydown<0 || yup>=dimy()) return *this; + if (yup<0) { + const int D = ydown - yup; + xup-=yup*(xdown - xup)/D; + zup-=yup*(zdown - zup)/D; + txup-=yup*(txdown - txup)/D; + tyup-=yup*(tydown - tyup)/D; + yup = 0; + } + if (ydown>=dimy()) { + const int d = ydown - dimy(), D = ydown - yup; + xdown-=d*(xdown - xup)/D; + zdown-=d*(zdown - zup)/D; + txdown-=d*(txdown - txup)/D; + tydown-=d*(tydown - tyup)/D; + ydown = dimy()-1; + } + T *ptrd0 = ptr(nx0,ny0); + float *ptrz = zbuffer + nx0 + ny0*width; + int dx = xright - xleft, dy = ydown - yup; + const bool steep = dy>dx; + if (steep) cimg::swap(nx0,ny0,nx1,ny1,dx,dy); + const int + offx = (nx0<nx1?1:-1)*(steep?width:1), + offy = (ny0<ny1?1:-1)*(steep?1:width), + wh = width*height, + ndx = dx>0?dx:1; + if (opacity>=1) { + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + if (pattern&hatch) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz) { + *ptrz = z; + const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; cimg_forV(*this,k) { *ptrd = (T)texture((int)(tx/z),(int)(ty/z),0,k); ptrd+=wh; } + } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz) { + *ptrz = z; + const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; cimg_forV(*this,k) { *ptrd = (T)texture((int)(tx/z),(int)(ty/z),0,k); ptrd+=wh; } + } + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } + } + } else { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + if (~pattern) for (int error = dx>>1, x = 0; x<=dx; ++x) { + if (pattern&hatch) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz) { + *ptrz = z; + const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; cimg_forV(*this,k) { *ptrd = (T)(nopacity*texture((int)(tx/z),(int)(ty/z),0,k) + *ptrd*copacity); ptrd+=wh; } + } + } + hatch>>=1; if (!hatch) hatch = ~0U - (~0U>>1); + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offy; error+=dx; } + } else for (int error = dx>>1, x = 0; x<=dx; ++x) { + const float z = Z0 + x*dz/ndx; + if (z>*ptrz) { + *ptrz = z; + const float tx = Tx0 + x*dtx/ndx, ty = Ty0 + x*dty/ndx; + T *ptrd = ptrd0; cimg_forV(*this,k) { *ptrd = (T)(nopacity*texture((int)(tx/z),(int)(ty/z),0,k) + *ptrd*copacity); ptrd+=wh; } + } + ptrd0+=offx; ptrz+=offx; + if ((error-=dy)<0) { ptrd0+=offy; ptrz+=offx; error+=dx; } + } + } + } + return *this; + } + + // Inner routine for drawing set of consecutive lines with generic type for coordinates. + template<typename t, typename tc> + CImg<T>& _draw_line(const t& points, const unsigned int W, const unsigned int H, + const tc *const color, const float opacity, + const unsigned int pattern, const bool init_hatch) { + if (is_empty() || !points || W<2) return *this; + bool ninit_hatch = init_hatch; + switch (H) { + case 0 : case 1 : + throw CImgArgumentException("CImg<%s>::draw_line() : Given list of points is not valid.", + pixel_type()); + case 2 : { + const int x0 = (int)points(0,0), y0 = (int)points(0,1); + int ox = x0, oy = y0; + for (unsigned int i = 1; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1); + draw_line(ox,oy,x,y,color,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = x; oy = y; + } + } break; + default : { + const int x0 = (int)points(0,0), y0 = (int)points(0,1), z0 = (int)points(0,2); + int ox = x0, oy = y0, oz = z0; + for (unsigned int i = 1; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1), z = (int)points(i,2); + draw_line(ox,oy,oz,x,y,z,color,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = x; oy = y; oz = z; + } + } + } + return *this; + } + + //! Draw a set of consecutive colored lines in the instance image. + /** + \param points Coordinates of vertices, stored as a list of vectors. + \param color Pointer to \c dimv() consecutive values of type \c T, defining the drawing color. + \param opacity Drawing opacity (optional). + \param pattern An integer whose bits describe the line pattern (optional). + \param init_hatch If set to true, init hatch motif. + \note + - This function uses several call to the single CImg::draw_line() procedure, + depending on the vectors size in \p points. + \par Example: + \code + CImg<unsigned char> img(100,100,1,3,0); + const unsigned char color[] = { 255,128,64 }; + CImgList<int> points; + points.insert(CImg<int>::vector(0,0)). + .insert(CImg<int>::vector(70,10)). + .insert(CImg<int>::vector(80,60)). + .insert(CImg<int>::vector(10,90)); + img.draw_line(points,color); + \endcode + **/ + template<typename t, typename tc> + CImg<T>& draw_line(const CImgList<t>& points, + const tc *const color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + unsigned int H = ~0U; cimglist_for(points,p) H = cimg::min(H,(unsigned int)(points[p].size())); + return _draw_line(points,points.size,H,color,opacity,pattern,init_hatch); + } + + //! Draw a set of consecutive colored lines in the instance image. + template<typename t, typename tc> + CImg<T>& draw_line(const CImgList<t>& points, + const CImg<tc>& color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_line(points,color.data,opacity,pattern,init_hatch); + } + + //! Draw a set of consecutive colored lines in the instance image. + /** + \note + - Similar to the previous function, where the N vertex coordinates are stored as a Nx2 or Nx3 image + (sequence of vectors aligned along the x-axis). + **/ + template<typename t, typename tc> + CImg<T>& draw_line(const CImg<t>& points, + const tc *const color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return _draw_line(points,points.width,points.height,color,opacity,pattern,init_hatch); + } + + //! Draw a set of consecutive colored lines in the instance image. + template<typename t, typename tc> + CImg<T>& draw_line(const CImg<t>& points, + const CImg<tc>& color, const float opacity=1, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_line(points,color.data,opacity,pattern,init_hatch); + } + + // Inner routine for a drawing filled polygon with generic type for coordinates. + template<typename t, typename tc> + CImg<T>& _draw_polygon(const t& points, const unsigned int N, + const tc *const color, const float opacity) { + if (is_empty() || !points || N<3) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_polygon() : Specified color is (null).", + pixel_type()); + _draw_scanline(color,opacity); + int xmin = (int)(~0U>>1), xmax = 0, ymin = (int)(~0U>>1), ymax = 0; + { for (unsigned int p = 0; p<N; ++p) { + const int x = (int)points(p,0), y = (int)points(p,1); + if (x<xmin) xmin = x; + if (x>xmax) xmax = x; + if (y<ymin) ymin = y; + if (y>ymax) ymax = y; + }} + if (xmax<0 || xmin>=dimx() || ymax<0 || ymin>=dimy()) return *this; + const unsigned int + nymin = ymin<0?0:(unsigned int)ymin, + nymax = ymax>=dimy()?height-1:(unsigned int)ymax, + dy = 1 + nymax - nymin; + CImg<intT> X(1+2*N,dy,1,1,0), tmp; + int cx = (int)points(0,0), cy = (int)points(0,1); + for (unsigned int cp = 0, p = 0; p<N; ++p) { + const unsigned int np = (p!=N-1)?p+1:0, ap = (np!=N-1)?np+1:0; + const int + nx = (int)points(np,0), ny = (int)points(np,1), ay = (int)points(ap,1), + y0 = cy - nymin, y1 = ny - nymin; + if (y0!=y1) { + const int countermin = ((ny<ay && cy<ny) || (ny>ay && cy>ny))?1:0; + for (int x = cx, y = y0, _sx = 1, _sy = 1, + _dx = nx>cx?nx-cx:((_sx=-1),cx-nx), + _dy = y1>y0?y1-y0:((_sy=-1),y0-y1), + _counter = ((_dx-=_dy?_dy*(_dx/_dy):0),_dy), + _err = _dx>>1, + _rx = _dy?(nx-cx)/_dy:0; + _counter>=countermin; + --_counter, y+=_sy, x+=_rx + ((_err-=_dx)<0?_err+=_dy,_sx:0)) + if (y>=0 && y<(int)dy) X(++X(0,y),y) = x; + cp = np; cx = nx; cy = ny; + } else { + const int pp = (cp?cp-1:N-1), py = (int)points(pp,1); + if ((cy>py && ay>cy) || (cy<py && ay<cy)) X(++X(0,y0),y0) = nx; + if (cy!=ay) { cp = np; cx = nx; cy = ny; } + } + } + for (int y = 0; y<(int)dy; ++y) { + tmp.assign(X.ptr(1,y),X(0,y),1,1,1,true).sort(); + for (int i = 1; i<=X(0,y); ) { + const int xb = X(i++,y), xe = X(i++,y); + _draw_scanline(xb,xe,nymin+y,color,opacity); + } + } + return *this; + } + + //! Draw a filled polygon in the instance image. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImgList<t>& points, + const tc *const color, const float opacity=1) { + if (!points.is_sameY(2)) + throw CImgArgumentException("CImg<%s>::draw_polygon() : Given list of points is not valid.", + pixel_type()); + return _draw_polygon(points,points.size,color,opacity); + } + + //! Draw a filled polygon in the instance image. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImgList<t>& points, + const CImg<tc>& color, const float opacity=1) { + return draw_polygon(points,color.data,opacity); + } + + //! Draw a filled polygon in the instance image. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImg<t>& points, + const tc *const color, const float opacity=1) { + if (points.height<2) + throw CImgArgumentException("CImg<%s>::draw_polygon() : Given list of points is not valid.", + pixel_type()); + return _draw_polygon(points,points.width,color,opacity); + } + + //! Draw a filled polygon in the instance image. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImg<t>& points, + const CImg<tc>& color, const float opacity=1) { + return draw_polygon(points,color.data,opacity); + } + + // Inner routine for drawing an outlined polygon with generic point coordinates. + template<typename t, typename tc> + CImg<T>& _draw_polygon(const t& points, const unsigned int W, const unsigned int H, + const tc *const color, const float opacity, + const unsigned int pattern) { + if (is_empty() || !points || W<3) return *this; + bool ninit_hatch = true; + switch (H) { + case 0 : case 1 : + throw CImgArgumentException("CImg<%s>::draw_polygon() : Given list of points is not valid.", + pixel_type()); + case 2 : { + const int x0 = (int)points(0,0), y0 = (int)points(0,1); + int ox = x0, oy = y0; + for (unsigned int i = 1; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1); + draw_line(ox,oy,x,y,color,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = x; oy = y; + } + draw_line(ox,oy,x0,y0,color,opacity,pattern,false); + } break; + default : { + const int x0 = (int)points(0,0), y0 = (int)points(0,1), z0 = (int)points(0,2); + int ox = x0, oy = y0, oz = z0; + for (unsigned int i = 1; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1), z = (int)points(i,2); + draw_line(ox,oy,oz,x,y,z,color,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = x; oy = y; oz = z; + } + draw_line(ox,oy,oz,x0,y0,z0,color,opacity,pattern,false); + } + } + return *this; + } + + //! Draw a polygon outline. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImgList<t>& points, + const tc *const color, const float opacity, + const unsigned int pattern) { + unsigned int H = ~0U; cimglist_for(points,p) H = cimg::min(H,(unsigned int)(points[p].size())); + return _draw_polygon(points,points.size,H,color,opacity,pattern); + } + + //! Draw a polygon outline. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImgList<t>& points, + const CImg<tc>& color, const float opacity, + const unsigned int pattern) { + return draw_polygon(points,color.data,opacity,pattern); + } + + //! Draw a polygon outline. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImg<t>& points, + const tc *const color, const float opacity, + const unsigned int pattern) { + return _draw_polygon(points,points.width,points.height,color,opacity,pattern); + } + + //! Draw a polygon outline. + template<typename t, typename tc> + CImg<T>& draw_polygon(const CImg<t>& points, + const CImg<tc>& color, const float opacity, + const unsigned int pattern) { + return draw_polygon(points,color.data,opacity,pattern); + } + + //! Draw a cubic spline curve in the instance image. + /** + \param x0 X-coordinate of the starting curve point + \param y0 Y-coordinate of the starting curve point + \param u0 X-coordinate of the starting velocity + \param v0 Y-coordinate of the starting velocity + \param x1 X-coordinate of the ending curve point + \param y1 Y-coordinate of the ending curve point + \param u1 X-coordinate of the ending velocity + \param v1 Y-coordinate of the ending velocity + \param color Pointer to \c dimv() consecutive values of type \c T, defining the drawing color. + \param precision Curve drawing precision (optional). + \param opacity Drawing opacity (optional). + \param pattern An integer whose bits describe the line pattern (optional). + \param init_hatch If \c true, init hatch motif. + \note + - The curve is a 2D cubic Bezier spline, from the set of specified starting/ending points + and corresponding velocity vectors. + - The spline is drawn as a serie of connected segments. The \p precision parameter sets the + average number of pixels in each drawn segment. + - A cubic Bezier curve is sometimes defined by a set of 4 points { (\p x0,\p y0), (\p xa,\p ya), (\p xb,\p yb), (\p x1,\p y1) } + where (\p x0,\p y0) is the starting point, (\p x1,\p y1) is the ending point and (\p xa,\p ya), (\p xb,\p yb) are two + \e control points. + The starting and ending velocities (\p u0,\p v0) and (\p u1,\p v1) can be deduced easily from the control points as + \p u0 = (\p xa - \p x0), \p v0 = (\p ya - \p y0), \p u1 = (\p x1 - \p xb) and \p v1 = (\p y1 - \p yb). + \par Example: + \code + CImg<unsigned char> img(100,100,1,3,0); + const unsigned char color[] = { 255,255,255 }; + img.draw_spline(30,30,0,100,90,40,0,-100,color); + \endcode + **/ + template<typename tc> + CImg<T>& draw_spline(const int x0, const int y0, const float u0, const float v0, + const int x1, const int y1, const float u1, const float v1, + const tc *const color, const float opacity=1, + const float precision=4, const unsigned int pattern=~0U, + const bool init_hatch=true) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_spline() : Specified color is (null)", + pixel_type()); + bool ninit_hatch = init_hatch; + const float + dx = (float)(x1 - x0), + dy = (float)(y1 - y0), + dmax = cimg::max(cimg::abs(dx),cimg::abs(dy)), + ax = -2*dx + u0 + u1, + bx = 3*dx - 2*u0 - u1, + ay = -2*dy + v0 + v1, + by = 3*dy - 2*v0 - v1, + xprecision = dmax>0?precision/dmax:1.0f, + tmax = 1 + (dmax>0?xprecision:0.0f); + int ox = x0, oy = y0; + for (float t = 0; t<tmax; t+=xprecision) { + const float + t2 = t*t, + t3 = t2*t; + const int + nx = (int)(ax*t3 + bx*t2 + u0*t + x0), + ny = (int)(ay*t3 + by*t2 + v0*t + y0); + draw_line(ox,oy,nx,ny,color,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = nx; oy = ny; + } + return *this; + } + + //! Draw a cubic spline curve in the instance image. + template<typename tc> + CImg<T>& draw_spline(const int x0, const int y0, const float u0, const float v0, + const int x1, const int y1, const float u1, const float v1, + const CImg<tc>& color, const float opacity=1, + const float precision=4, const unsigned int pattern=~0U, + const bool init_hatch=true) { + return draw_spline(x0,y0,u0,v0,x1,y1,u1,v1,color.data,opacity,precision,pattern,init_hatch); + } + + //! Draw a cubic spline curve in the instance image (for volumetric images). + /** + \note + - Similar to CImg::draw_spline() for a 3D spline in a volumetric image. + **/ + template<typename tc> + CImg<T>& draw_spline(const int x0, const int y0, const int z0, const float u0, const float v0, const float w0, + const int x1, const int y1, const int z1, const float u1, const float v1, const float w1, + const tc *const color, const float opacity=1, + const float precision=4, const unsigned int pattern=~0U, + const bool init_hatch=true) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_spline() : Specified color is (null)", + pixel_type()); + bool ninit_hatch = init_hatch; + const float + dx = (float)(x1 - x0), + dy = (float)(y1 - y0), + dz = (float)(z1 - z0), + dmax = cimg::max(cimg::abs(dx),cimg::abs(dy),cimg::abs(dz)), + ax = -2*dx + u0 + u1, + bx = 3*dx - 2*u0 - u1, + ay = -2*dy + v0 + v1, + by = 3*dy - 2*v0 - v1, + az = -2*dz + w0 + w1, + bz = 3*dz - 2*w0 - w1, + xprecision = dmax>0?precision/dmax:1.0f, + tmax = 1 + (dmax>0?xprecision:0.0f); + int ox = x0, oy = y0, oz = z0; + for (float t = 0; t<tmax; t+=xprecision) { + const float + t2 = t*t, + t3 = t2*t; + const int + nx = (int)(ax*t3 + bx*t2 + u0*t + x0), + ny = (int)(ay*t3 + by*t2 + v0*t + y0), + nz = (int)(az*t3 + bz*t2 + w0*t + z0); + draw_line(ox,oy,oz,nx,ny,nz,color,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = nx; oy = ny; oz = nz; + } + return *this; + } + + //! Draw a cubic spline curve in the instance image (for volumetric images). + template<typename tc> + CImg<T>& draw_spline(const int x0, const int y0, const int z0, const float u0, const float v0, const float w0, + const int x1, const int y1, const int z1, const float u1, const float v1, const float w1, + const CImg<tc>& color, const float opacity=1, + const float precision=4, const unsigned int pattern=~0U, + const bool init_hatch=true) { + return draw_spline(x0,y0,z0,u0,v0,w0,x1,y1,z1,u1,v1,w1,color.data,opacity,precision,pattern,init_hatch); + } + + //! Draw a cubic spline curve in the instance image. + /** + \param x0 X-coordinate of the starting curve point + \param y0 Y-coordinate of the starting curve point + \param u0 X-coordinate of the starting velocity + \param v0 Y-coordinate of the starting velocity + \param x1 X-coordinate of the ending curve point + \param y1 Y-coordinate of the ending curve point + \param u1 X-coordinate of the ending velocity + \param v1 Y-coordinate of the ending velocity + \param texture Texture image defining line pixel colors. + \param tx0 X-coordinate of the starting texture point. + \param ty0 Y-coordinate of the starting texture point. + \param tx1 X-coordinate of the ending texture point. + \param ty1 Y-coordinate of the ending texture point. + \param precision Curve drawing precision (optional). + \param opacity Drawing opacity (optional). + \param pattern An integer whose bits describe the line pattern (optional). + \param init_hatch if \c true, reinit hatch motif. + **/ + template<typename t> + CImg<T>& draw_spline(const int x0, const int y0, const float u0, const float v0, + const int x1, const int y1, const float u1, const float v1, + const CImg<t>& texture, + const int tx0, const int ty0, const int tx1, const int ty1, + const float opacity=1, + const float precision=4, const unsigned int pattern=~0U, + const bool init_hatch=true) { + if (is_empty()) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_line() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_spline(x0,y0,u0,v0,x1,y1,u1,v1,+texture,tx0,ty0,tx1,ty1,precision,opacity,pattern,init_hatch); + bool ninit_hatch = true; + const float + dx = (float)(x1 - x0), + dy = (float)(y1 - y0), + dmax = cimg::max(cimg::abs(dx),cimg::abs(dy)), + ax = -2*dx + u0 + u1, + bx = 3*dx - 2*u0 - u1, + ay = -2*dy + v0 + v1, + by = 3*dy - 2*v0 - v1, + xprecision = dmax>0?precision/dmax:1.0f, + tmax = 1 + (dmax>0?xprecision:0.0f); + int ox = x0, oy = y0, otx = tx0, oty = ty0; + for (float t1 = 0; t1<tmax; t1+=xprecision) { + const float + t2 = t1*t1, + t3 = t2*t1; + const int + nx = (int)(ax*t3 + bx*t2 + u0*t1 + x0), + ny = (int)(ay*t3 + by*t2 + v0*t1 + y0), + ntx = tx0 + (int)((tx1-tx0)*t1/tmax), + nty = ty0 + (int)((ty1-ty0)*t1/tmax); + draw_line(ox,oy,nx,ny,texture,otx,oty,ntx,nty,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = nx; oy = ny; otx = ntx; oty = nty; + } + return *this; + } + + // Draw a set of connected spline curves in the instance image (internal). + template<typename tp, typename tt, typename tc> + CImg<T>& _draw_spline(const tp& points, const tt& tangents, const unsigned int W, const unsigned int H, + const tc *const color, const float opacity, + const bool close_set, const float precision, + const unsigned int pattern, const bool init_hatch) { + if (is_empty() || !points || !tangents || W<2) return *this; + bool ninit_hatch = init_hatch; + switch (H) { + case 0 : case 1 : + throw CImgArgumentException("CImg<%s>::draw_spline() : Given list of points or tangents is not valid.", + pixel_type()); + case 2 : { + const int x0 = (int)points(0,0), y0 = (int)points(0,1); + const float u0 = (float)tangents(0,0), v0 = (float)tangents(0,1); + int ox = x0, oy = y0; + float ou = u0, ov = v0; + for (unsigned int i = 1; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1); + const float u = (float)tangents(i,0), v = (float)tangents(i,1); + draw_spline(ox,oy,ou,ov,x,y,u,v,color,precision,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = x; oy = y; ou = u; ov = v; + } + if (close_set) draw_spline(ox,oy,ou,ov,x0,y0,u0,v0,color,precision,opacity,pattern,false); + } break; + default : { + const int x0 = (int)points(0,0), y0 = (int)points(0,1), z0 = (int)points(0,2); + const float u0 = (float)tangents(0,0), v0 = (float)tangents(0,1), w0 = (float)tangents(0,2); + int ox = x0, oy = y0, oz = z0; + float ou = u0, ov = v0, ow = w0; + for (unsigned int i = 1; i<W; ++i) { + const int x = (int)points(i,0), y = (int)points(i,1), z = (int)points(i,2); + const float u = (float)tangents(i,0), v = (float)tangents(i,1), w = (float)tangents(i,2); + draw_spline(ox,oy,oz,ou,ov,ow,x,y,z,u,v,w,color,opacity,pattern,ninit_hatch); + ninit_hatch = false; + ox = x; oy = y; oz = z; ou = u; ov = v; ow = w; + } + if (close_set) draw_spline(ox,oy,oz,ou,ov,ow,x0,y0,z0,u0,v0,w0,color,precision,opacity,pattern,false); + } + } + return *this; + } + + // Draw a set of connected spline curves in the instance image (internal). + template<typename tp, typename tc> + CImg<T>& _draw_spline(const tp& points, const unsigned int W, const unsigned int H, + const tc *const color, const float opacity, + const bool close_set, const float precision, + const unsigned int pattern, const bool init_hatch) { + if (is_empty() || !points || W<2) return *this; + CImg<Tfloat> tangents; + switch (H) { + case 0 : case 1 : + throw CImgArgumentException("CImg<%s>::draw_spline() : Given list of points or tangents is not valid.", + pixel_type()); + case 2 : { + tangents.assign(W,H); + for (unsigned int p = 0; p<W; ++p) { + const unsigned int + p0 = close_set?(p+W-1)%W:(p?p-1:0), + p1 = close_set?(p+1)%W:(p+1<W?p+1:p); + const float + x = (float)points(p,0), + y = (float)points(p,1), + x0 = (float)points(p0,0), + y0 = (float)points(p0,1), + x1 = (float)points(p1,0), + y1 = (float)points(p1,1), + u0 = x - x0, + v0 = y - y0, + n0 = 1e-8f + (float)cimg_std::sqrt(u0*u0 + v0*v0), + u1 = x1 - x, + v1 = y1 - y, + n1 = 1e-8f + (float)cimg_std::sqrt(u1*u1 + v1*v1), + u = u0/n0 + u1/n1, + v = v0/n0 + v1/n1, + n = 1e-8f + (float)cimg_std::sqrt(u*u + v*v), + fact = 0.5f*(n0 + n1); + tangents(p,0) = (Tfloat)(fact*u/n); + tangents(p,1) = (Tfloat)(fact*v/n); + } + } break; + default : { + tangents.assign(W,H); + for (unsigned int p = 0; p<W; ++p) { + const unsigned int + p0 = close_set?(p+W-1)%W:(p?p-1:0), + p1 = close_set?(p+1)%W:(p+1<W?p+1:p); + const float + x = (float)points(p,0), + y = (float)points(p,1), + z = (float)points(p,2), + x0 = (float)points(p0,0), + y0 = (float)points(p0,1), + z0 = (float)points(p0,2), + x1 = (float)points(p1,0), + y1 = (float)points(p1,1), + z1 = (float)points(p1,2), + u0 = x - x0, + v0 = y - y0, + w0 = z - z0, + n0 = 1e-8f + (float)cimg_std::sqrt(u0*u0 + v0*v0 + w0*w0), + u1 = x1 - x, + v1 = y1 - y, + w1 = z1 - z, + n1 = 1e-8f + (float)cimg_std::sqrt(u1*u1 + v1*v1 + w1*w1), + u = u0/n0 + u1/n1, + v = v0/n0 + v1/n1, + w = w0/n0 + w1/n1, + n = 1e-8f + (float)cimg_std::sqrt(u*u + v*v + w*w), + fact = 0.5f*(n0 + n1); + tangents(p,0) = (Tfloat)(fact*u/n); + tangents(p,1) = (Tfloat)(fact*v/n); + tangents(p,2) = (Tfloat)(fact*w/n); + } + } + } + return _draw_spline(points,tangents,W,H,color,opacity,close_set,precision,pattern,init_hatch); + } + + //! Draw a set of consecutive colored splines in the instance image. + template<typename tp, typename tt, typename tc> + CImg<T>& draw_spline(const CImgList<tp>& points, const CImgList<tt>& tangents, + const tc *const color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + unsigned int H = ~0U; cimglist_for(points,p) H = cimg::min(H,(unsigned int)(points[p].size()),(unsigned int)(tangents[p].size())); + return _draw_spline(points,tangents,color,opacity,close_set,precision,pattern,init_hatch,points.size,H); + } + + //! Draw a set of consecutive colored splines in the instance image. + template<typename tp, typename tt, typename tc> + CImg<T>& draw_spline(const CImgList<tp>& points, const CImgList<tt>& tangents, + const CImg<tc>& color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_spline(points,tangents,color.data,opacity,close_set,precision,pattern,init_hatch); + } + + //! Draw a set of consecutive colored splines in the instance image. + template<typename tp, typename tt, typename tc> + CImg<T>& draw_spline(const CImg<tp>& points, const CImg<tt>& tangents, + const tc *const color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return _draw_spline(points,tangents,color,opacity,close_set,precision,pattern,init_hatch,points.width,points.height); + } + + //! Draw a set of consecutive colored splines in the instance image. + template<typename tp, typename tt, typename tc> + CImg<T>& draw_spline(const CImg<tp>& points, const CImg<tt>& tangents, + const CImg<tc>& color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_spline(points,tangents,color.data,opacity,close_set,precision,pattern,init_hatch); + } + + //! Draw a set of consecutive colored splines in the instance image. + template<typename t, typename tc> + CImg<T>& draw_spline(const CImgList<t>& points, + const tc *const color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + unsigned int H = ~0U; + cimglist_for(points,p) { const unsigned int s = points[p].size(); if (s<H) H = s; } + return _draw_spline(points,color,opacity,close_set,precision,pattern,init_hatch,points.size,H); + } + + //! Draw a set of consecutive colored splines in the instance image. + template<typename t, typename tc> + CImg<T>& draw_spline(const CImgList<t>& points, + CImg<tc>& color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_spline(points,color.data,opacity,close_set,precision,pattern,init_hatch); + } + + //! Draw a set of consecutive colored lines in the instance image. + template<typename t, typename tc> + CImg<T>& draw_spline(const CImg<t>& points, + const tc *const color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return _draw_spline(points,color,opacity,close_set,precision,pattern,init_hatch,points.width,points.height); + } + + //! Draw a set of consecutive colored lines in the instance image. + template<typename t, typename tc> + CImg<T>& draw_spline(const CImg<t>& points, + const CImg<tc>& color, const float opacity=1, + const bool close_set=false, const float precision=4, + const unsigned int pattern=~0U, const bool init_hatch=true) { + return draw_spline(points,color.data,opacity,close_set,precision,pattern,init_hatch); + } + + //! Draw a colored arrow in the instance image. + /** + \param x0 X-coordinate of the starting arrow point (tail). + \param y0 Y-coordinate of the starting arrow point (tail). + \param x1 X-coordinate of the ending arrow point (head). + \param y1 Y-coordinate of the ending arrow point (head). + \param color Pointer to \c dimv() consecutive values of type \c T, defining the drawing color. + \param angle Aperture angle of the arrow head (optional). + \param length Length of the arrow head. If negative, describes a percentage of the arrow length (optional). + \param opacity Drawing opacity (optional). + \param pattern An integer whose bits describe the line pattern (optional). + \note + - Clipping is supported. + **/ + template<typename tc> + CImg<T>& draw_arrow(const int x0, const int y0, + const int x1, const int y1, + const tc *const color, const float opacity=1, + const float angle=30, const float length=-10, + const unsigned int pattern=~0U) { + if (is_empty()) return *this; + const float u = (float)(x0 - x1), v = (float)(y0 - y1), sq = u*u + v*v, + deg = (float)(angle*cimg::valuePI/180), ang = (sq>0)?(float)cimg_std::atan2(v,u):0.0f, + l = (length>=0)?length:-length*(float)cimg_std::sqrt(sq)/100; + if (sq>0) { + const float + cl = (float)cimg_std::cos(ang - deg), sl = (float)cimg_std::sin(ang - deg), + cr = (float)cimg_std::cos(ang + deg), sr = (float)cimg_std::sin(ang + deg); + const int + xl = x1 + (int)(l*cl), yl = y1 + (int)(l*sl), + xr = x1 + (int)(l*cr), yr = y1 + (int)(l*sr), + xc = x1 + (int)((l+1)*(cl+cr))/2, yc = y1 + (int)((l+1)*(sl+sr))/2; + draw_line(x0,y0,xc,yc,color,opacity,pattern).draw_triangle(x1,y1,xl,yl,xr,yr,color,opacity); + } else draw_point(x0,y0,color,opacity); + return *this; + } + + //! Draw a colored arrow in the instance image. + template<typename tc> + CImg<T>& draw_arrow(const int x0, const int y0, + const int x1, const int y1, + const CImg<tc>& color, const float opacity=1, + const float angle=30, const float length=-10, + const unsigned int pattern=~0U) { + return draw_arrow(x0,y0,x1,y1,color.data,opacity,angle,length,pattern); + } + + //! Draw an image. + /** + \param sprite Sprite image. + \param x0 X-coordinate of the sprite position. + \param y0 Y-coordinate of the sprite position. + \param z0 Z-coordinate of the sprite position. + \param v0 V-coordinate of the sprite position. + \param opacity Drawing opacity (optional). + \note + - Clipping is supported. + **/ + template<typename t> + CImg<T>& draw_image(const int x0, const int y0, const int z0, const int v0, + const CImg<t>& sprite, const float opacity=1) { + if (is_empty()) return *this; + if (!sprite) + throw CImgArgumentException("CImg<%s>::draw_image() : Specified sprite image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),sprite.width,sprite.height,sprite.depth,sprite.dim,sprite.data); + if (is_overlapped(sprite)) return draw_image(x0,y0,z0,v0,+sprite,opacity); + const bool bx = (x0<0), by = (y0<0), bz = (z0<0), bv = (v0<0); + const int + lX = sprite.dimx() - (x0 + sprite.dimx()>dimx()?x0 + sprite.dimx() - dimx():0) + (bx?x0:0), + lY = sprite.dimy() - (y0 + sprite.dimy()>dimy()?y0 + sprite.dimy() - dimy():0) + (by?y0:0), + lZ = sprite.dimz() - (z0 + sprite.dimz()>dimz()?z0 + sprite.dimz() - dimz():0) + (bz?z0:0), + lV = sprite.dimv() - (v0 + sprite.dimv()>dimv()?v0 + sprite.dimv() - dimv():0) + (bv?v0:0); + const t + *ptrs = sprite.data - + (bx?x0:0) - + (by?y0*sprite.dimx():0) - + (bz?z0*sprite.dimx()*sprite.dimy():0) - + (bv?v0*sprite.dimx()*sprite.dimy()*sprite.dimz():0); + const unsigned int + offX = width - lX, soffX = sprite.width - lX, + offY = width*(height - lY), soffY = sprite.width*(sprite.height - lY), + offZ = width*height*(depth - lZ), soffZ = sprite.width*sprite.height*(sprite.depth - lZ); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + if (lX>0 && lY>0 && lZ>0 && lV>0) { + T *ptrd = ptr(x0<0?0:x0,y0<0?0:y0,z0<0?0:z0,v0<0?0:v0); + for (int v = 0; v<lV; ++v) { + for (int z = 0; z<lZ; ++z) { + for (int y = 0; y<lY; ++y) { + if (opacity>=1) for (int x = 0; x<lX; ++x) *(ptrd++) = (T)*(ptrs++); + else for (int x = 0; x<lX; ++x) { *ptrd = (T)(nopacity*(*(ptrs++)) + *ptrd*copacity); ++ptrd; } + ptrd+=offX; ptrs+=soffX; + } + ptrd+=offY; ptrs+=soffY; + } + ptrd+=offZ; ptrs+=soffZ; + } + } + return *this; + } + +#ifndef cimg_use_visualcpp6 + // Otimized version (internal). + CImg<T>& draw_image(const int x0, const int y0, const int z0, const int v0, + const CImg<T>& sprite, const float opacity=1) { + if (is_empty()) return *this; + if (!sprite) + throw CImgArgumentException("CImg<%s>::draw_image() : Specified sprite image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),sprite.width,sprite.height,sprite.depth,sprite.dim,sprite.data); + if (is_overlapped(sprite)) return draw_image(x0,y0,z0,v0,+sprite,opacity); + const bool bx = (x0<0), by = (y0<0), bz = (z0<0), bv = (v0<0); + const int + lX = sprite.dimx() - (x0 + sprite.dimx()>dimx()?x0 + sprite.dimx() - dimx():0) + (bx?x0:0), + lY = sprite.dimy() - (y0 + sprite.dimy()>dimy()?y0 + sprite.dimy() - dimy():0) + (by?y0:0), + lZ = sprite.dimz() - (z0 + sprite.dimz()>dimz()?z0 + sprite.dimz() - dimz():0) + (bz?z0:0), + lV = sprite.dimv() - (v0 + sprite.dimv()>dimv()?v0 + sprite.dimv() - dimv():0) + (bv?v0:0); + const T + *ptrs = sprite.data - + (bx?x0:0) - + (by?y0*sprite.dimx():0) - + (bz?z0*sprite.dimx()*sprite.dimy():0) - + (bv?v0*sprite.dimx()*sprite.dimy()*sprite.dimz():0); + const unsigned int + offX = width - lX, soffX = sprite.width - lX, + offY = width*(height - lY), soffY = sprite.width*(sprite.height - lY), + offZ = width*height*(depth - lZ), soffZ = sprite.width*sprite.height*(sprite.depth - lZ), + slX = lX*sizeof(T); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + if (lX>0 && lY>0 && lZ>0 && lV>0) { + T *ptrd = ptr(x0<0?0:x0,y0<0?0:y0,z0<0?0:z0,v0<0?0:v0); + for (int v = 0; v<lV; ++v) { + for (int z = 0; z<lZ; ++z) { + if (opacity>=1) for (int y = 0; y<lY; ++y) { cimg_std::memcpy(ptrd,ptrs,slX); ptrd+=width; ptrs+=sprite.width; } + else for (int y = 0; y<lY; ++y) { + for (int x = 0; x<lX; ++x) { *ptrd = (T)(nopacity*(*(ptrs++)) + *ptrd*copacity); ++ptrd; } + ptrd+=offX; ptrs+=soffX; + } + ptrd+=offY; ptrs+=soffY; + } + ptrd+=offZ; ptrs+=soffZ; + } + } + return *this; + } +#endif + + //! Draw an image. + template<typename t> + CImg<T>& draw_image(const int x0, const int y0, const int z0, + const CImg<t>& sprite, const float opacity=1) { + return draw_image(x0,y0,z0,0,sprite,opacity); + } + + //! Draw an image. + template<typename t> + CImg<T>& draw_image(const int x0, const int y0, + const CImg<t>& sprite, const float opacity=1) { + return draw_image(x0,y0,0,sprite,opacity); + } + + //! Draw an image. + template<typename t> + CImg<T>& draw_image(const int x0, + const CImg<t>& sprite, const float opacity=1) { + return draw_image(x0,0,sprite,opacity); + } + + //! Draw an image. + template<typename t> + CImg<T>& draw_image(const CImg<t>& sprite, const float opacity=1) { + return draw_image(0,sprite,opacity); + } + + //! Draw a sprite image in the instance image (masked version). + /** + \param sprite Sprite image. + \param mask Mask image. + \param x0 X-coordinate of the sprite position in the instance image. + \param y0 Y-coordinate of the sprite position in the instance image. + \param z0 Z-coordinate of the sprite position in the instance image. + \param v0 V-coordinate of the sprite position in the instance image. + \param mask_valmax Maximum pixel value of the mask image \c mask (optional). + \param opacity Drawing opacity. + \note + - Pixel values of \c mask set the opacity of the corresponding pixels in \c sprite. + - Clipping is supported. + - Dimensions along x,y and z of \p sprite and \p mask must be the same. + **/ + template<typename ti, typename tm> + CImg<T>& draw_image(const int x0, const int y0, const int z0, const int v0, + const CImg<ti>& sprite, const CImg<tm>& mask, const float opacity=1, + const float mask_valmax=1) { + if (is_empty()) return *this; + if (!sprite) + throw CImgArgumentException("CImg<%s>::draw_image() : Specified sprite image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),sprite.width,sprite.height,sprite.depth,sprite.dim,sprite.data); + if (!mask) + throw CImgArgumentException("CImg<%s>::draw_image() : Specified mask image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),mask.width,mask.height,mask.depth,mask.dim,mask.data); + if (is_overlapped(sprite)) return draw_image(x0,y0,z0,v0,+sprite,mask,opacity,mask_valmax); + if (is_overlapped(mask)) return draw_image(x0,y0,z0,v0,sprite,+mask,opacity,mask_valmax); + if (mask.width!=sprite.width || mask.height!=sprite.height || mask.depth!=sprite.depth) + throw CImgArgumentException("CImg<%s>::draw_image() : Mask dimension is (%u,%u,%u,%u), while sprite is (%u,%u,%u,%u)", + pixel_type(),mask.width,mask.height,mask.depth,mask.dim,sprite.width,sprite.height,sprite.depth,sprite.dim); + const bool bx = (x0<0), by = (y0<0), bz = (z0<0), bv = (v0<0); + const int + lX = sprite.dimx() - (x0 + sprite.dimx()>dimx()?x0 + sprite.dimx() - dimx():0) + (bx?x0:0), + lY = sprite.dimy() - (y0 + sprite.dimy()>dimy()?y0 + sprite.dimy() - dimy():0) + (by?y0:0), + lZ = sprite.dimz() - (z0 + sprite.dimz()>dimz()?z0 + sprite.dimz() - dimz():0) + (bz?z0:0), + lV = sprite.dimv() - (v0 + sprite.dimv()>dimv()?v0 + sprite.dimv() - dimv():0) + (bv?v0:0); + const int + coff = -(bx?x0:0)-(by?y0*mask.dimx():0)-(bz?z0*mask.dimx()*mask.dimy():0)-(bv?v0*mask.dimx()*mask.dimy()*mask.dimz():0), + ssize = mask.dimx()*mask.dimy()*mask.dimz(); + const ti *ptrs = sprite.data + coff; + const tm *ptrm = mask.data + coff; + const unsigned int + offX = width - lX, soffX = sprite.width - lX, + offY = width*(height - lY), soffY = sprite.width*(sprite.height - lY), + offZ = width*height*(depth - lZ), soffZ = sprite.width*sprite.height*(sprite.depth - lZ); + if (lX>0 && lY>0 && lZ>0 && lV>0) { + T *ptrd = ptr(x0<0?0:x0,y0<0?0:y0,z0<0?0:z0,v0<0?0:v0); + for (int v = 0; v<lV; ++v) { + ptrm = mask.data + (ptrm - mask.data)%ssize; + for (int z = 0; z<lZ; ++z) { + for (int y = 0; y<lY; ++y) { + for (int x=0; x<lX; ++x) { + const float mopacity = (float)(*(ptrm++)*opacity), + nopacity = cimg::abs(mopacity), copacity = mask_valmax - cimg::max(mopacity,0); + *ptrd = (T)((nopacity*(*(ptrs++)) + *ptrd*copacity)/mask_valmax); + ++ptrd; + } + ptrd+=offX; ptrs+=soffX; ptrm+=soffX; + } + ptrd+=offY; ptrs+=soffY; ptrm+=soffY; + } + ptrd+=offZ; ptrs+=soffZ; ptrm+=soffZ; + } + } + return *this; + } + + //! Draw an image. + template<typename ti, typename tm> + CImg<T>& draw_image(const int x0, const int y0, const int z0, + const CImg<ti>& sprite, const CImg<tm>& mask, const float opacity=1, + const float mask_valmax=1) { + return draw_image(x0,y0,z0,0,sprite,mask,opacity,mask_valmax); + } + + //! Draw an image. + template<typename ti, typename tm> + CImg<T>& draw_image(const int x0, const int y0, + const CImg<ti>& sprite, const CImg<tm>& mask, const float opacity=1, + const float mask_valmax=1) { + return draw_image(x0,y0,0,sprite,mask,opacity,mask_valmax); + } + + //! Draw an image. + template<typename ti, typename tm> + CImg<T>& draw_image(const int x0, + const CImg<ti>& sprite, const CImg<tm>& mask, const float opacity=1, + const float mask_valmax=1) { + return draw_image(x0,0,sprite,mask,opacity,mask_valmax); + } + + //! Draw an image. + template<typename ti, typename tm> + CImg<T>& draw_image(const CImg<ti>& sprite, const CImg<tm>& mask, const float opacity=1, + const float mask_valmax=1) { + return draw_image(0,sprite,mask,opacity,mask_valmax); + } + + //! Draw a 4D filled rectangle in the instance image, at coordinates (\c x0,\c y0,\c z0,\c v0)-(\c x1,\c y1,\c z1,\c v1). + /** + \param x0 X-coordinate of the upper-left rectangle corner. + \param y0 Y-coordinate of the upper-left rectangle corner. + \param z0 Z-coordinate of the upper-left rectangle corner. + \param v0 V-coordinate of the upper-left rectangle corner. + \param x1 X-coordinate of the lower-right rectangle corner. + \param y1 Y-coordinate of the lower-right rectangle corner. + \param z1 Z-coordinate of the lower-right rectangle corner. + \param v1 V-coordinate of the lower-right rectangle corner. + \param val Scalar value used to fill the rectangle area. + \param opacity Drawing opacity (optional). + \note + - Clipping is supported. + **/ + CImg<T>& draw_rectangle(const int x0, const int y0, const int z0, const int v0, + const int x1, const int y1, const int z1, const int v1, + const T val, const float opacity=1) { + if (is_empty()) return *this; + const bool bx = (x0<x1), by = (y0<y1), bz = (z0<z1), bv = (v0<v1); + const int + nx0 = bx?x0:x1, nx1 = bx?x1:x0, + ny0 = by?y0:y1, ny1 = by?y1:y0, + nz0 = bz?z0:z1, nz1 = bz?z1:z0, + nv0 = bv?v0:v1, nv1 = bv?v1:v0; + const int + lX = (1 + nx1 - nx0) + (nx1>=dimx()?dimx() - 1 - nx1:0) + (nx0<0?nx0:0), + lY = (1 + ny1 - ny0) + (ny1>=dimy()?dimy() - 1 - ny1:0) + (ny0<0?ny0:0), + lZ = (1 + nz1 - nz0) + (nz1>=dimz()?dimz() - 1 - nz1:0) + (nz0<0?nz0:0), + lV = (1 + nv1 - nv0) + (nv1>=dimv()?dimv() - 1 - nv1:0) + (nv0<0?nv0:0); + const unsigned int offX = width - lX, offY = width*(height - lY), offZ = width*height*(depth - lZ); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + T *ptrd = ptr(nx0<0?0:nx0,ny0<0?0:ny0,nz0<0?0:nz0,nv0<0?0:nv0); + if (lX>0 && lY>0 && lZ>0 && lV>0) + for (int v = 0; v<lV; ++v) { + for (int z = 0; z<lZ; ++z) { + for (int y = 0; y<lY; ++y) { + if (opacity>=1) { + if (sizeof(T)!=1) { for (int x = 0; x<lX; ++x) *(ptrd++) = val; ptrd+=offX; } + else { cimg_std::memset(ptrd,(int)val,lX); ptrd+=width; } + } else { for (int x = 0; x<lX; ++x) { *ptrd = (T)(nopacity*val + *ptrd*copacity); ++ptrd; } ptrd+=offX; } + } + ptrd+=offY; + } + ptrd+=offZ; + } + return *this; + } + + //! Draw a 3D filled colored rectangle in the instance image, at coordinates (\c x0,\c y0,\c z0)-(\c x1,\c y1,\c z1). + /** + \param x0 X-coordinate of the upper-left rectangle corner. + \param y0 Y-coordinate of the upper-left rectangle corner. + \param z0 Z-coordinate of the upper-left rectangle corner. + \param x1 X-coordinate of the lower-right rectangle corner. + \param y1 Y-coordinate of the lower-right rectangle corner. + \param z1 Z-coordinate of the lower-right rectangle corner. + \param color Pointer to \c dimv() consecutive values of type \c T, defining the drawing color. + \param opacity Drawing opacity (optional). + \note + - Clipping is supported. + **/ + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const tc *const color, const float opacity=1) { + if (!color) + throw CImgArgumentException("CImg<%s>::draw_rectangle : specified color is (null)", + pixel_type()); + cimg_forV(*this,k) draw_rectangle(x0,y0,z0,k,x1,y1,z1,k,color[k],opacity); + return *this; + } + + //! Draw a 3D filled colored rectangle in the instance image, at coordinates (\c x0,\c y0,\c z0)-(\c x1,\c y1,\c z1). + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const CImg<tc>& color, const float opacity=1) { + return draw_rectangle(x0,y0,z0,x1,y1,z1,color.data,opacity); + } + + //! Draw a 3D outlined colored rectangle in the instance image. + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const tc *const color, const float opacity, + const unsigned int pattern) { + return draw_line(x0,y0,z0,x1,y0,z0,color,opacity,pattern,true). + draw_line(x1,y0,z0,x1,y1,z0,color,opacity,pattern,false). + draw_line(x1,y1,z0,x0,y1,z0,color,opacity,pattern,false). + draw_line(x0,y1,z0,x0,y0,z0,color,opacity,pattern,false). + draw_line(x0,y0,z1,x1,y0,z1,color,opacity,pattern,true). + draw_line(x1,y0,z1,x1,y1,z1,color,opacity,pattern,false). + draw_line(x1,y1,z1,x0,y1,z1,color,opacity,pattern,false). + draw_line(x0,y1,z1,x0,y0,z1,color,opacity,pattern,false). + draw_line(x0,y0,z0,x0,y0,z1,color,opacity,pattern,true). + draw_line(x1,y0,z0,x1,y0,z1,color,opacity,pattern,true). + draw_line(x1,y1,z0,x1,y1,z1,color,opacity,pattern,true). + draw_line(x0,y1,z0,x0,y1,z1,color,opacity,pattern,true); + } + + //! Draw a 3D outlined colored rectangle in the instance image. + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1, + const CImg<tc>& color, const float opacity, + const unsigned int pattern) { + return draw_rectangle(x0,y0,z0,x1,y1,z1,color.data,opacity,pattern); + } + + //! Draw a 2D filled colored rectangle in the instance image, at coordinates (\c x0,\c y0)-(\c x1,\c y1). + /** + \param x0 X-coordinate of the upper-left rectangle corner. + \param y0 Y-coordinate of the upper-left rectangle corner. + \param x1 X-coordinate of the lower-right rectangle corner. + \param y1 Y-coordinate of the lower-right rectangle corner. + \param color Pointer to \c dimv() consecutive values of type \c T, defining the drawing color. + \param opacity Drawing opacity (optional). + \note + - Clipping is supported. + **/ + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, + const int x1, const int y1, + const tc *const color, const float opacity=1) { + return draw_rectangle(x0,y0,0,x1,y1,depth-1,color,opacity); + } + + //! Draw a 2D filled colored rectangle in the instance image, at coordinates (\c x0,\c y0)-(\c x1,\c y1). + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, + const int x1, const int y1, + const CImg<tc>& color, const float opacity=1) { + return draw_rectangle(x0,y0,x1,y1,color.data,opacity); + } + + //! Draw a 2D outlined colored rectangle. + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, + const int x1, const int y1, + const tc *const color, const float opacity, + const unsigned int pattern) { + if (is_empty()) return *this; + if (y0==y1) return draw_line(x0,y0,x1,y0,color,opacity,pattern,true); + if (x0==x1) return draw_line(x0,y0,x0,y1,color,opacity,pattern,true); + const bool bx = (x0<x1), by = (y0<y1); + const int + nx0 = bx?x0:x1, nx1 = bx?x1:x0, + ny0 = by?y0:y1, ny1 = by?y1:y0; + if (ny1==ny0+1) return draw_line(nx0,ny0,nx1,ny0,color,opacity,pattern,true). + draw_line(nx1,ny1,nx0,ny1,color,opacity,pattern,false); + return draw_line(nx0,ny0,nx1,ny0,color,opacity,pattern,true). + draw_line(nx1,ny0+1,nx1,ny1-1,color,opacity,pattern,false). + draw_line(nx1,ny1,nx0,ny1,color,opacity,pattern,false). + draw_line(nx0,ny1-1,nx0,ny0+1,color,opacity,pattern,false); + } + + //! Draw a 2D outlined colored rectangle. + template<typename tc> + CImg<T>& draw_rectangle(const int x0, const int y0, + const int x1, const int y1, + const CImg<tc>& color, const float opacity, + const unsigned int pattern) { + return draw_rectangle(x0,y0,x1,y1,color.data,opacity,pattern); + } + + // Inner macro for drawing triangles. +#define _cimg_for_triangle1(img,xl,xr,y,x0,y0,x1,y1,x2,y2) \ + for (int y = y0<0?0:y0, \ + xr = y0>=0?x0:(x0-y0*(x2-x0)/(y2-y0)), \ + xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0-y0*(x1-x0)/(y1-y0))):(x1-y1*(x2-x1)/(y2-y1)), \ + _sxn=1, \ + _sxr=1, \ + _sxl=1, \ + _dxn = x2>x1?x2-x1:(_sxn=-1,x1-x2), \ + _dxr = x2>x0?x2-x0:(_sxr=-1,x0-x2), \ + _dxl = x1>x0?x1-x0:(_sxl=-1,x0-x1), \ + _dyn = y2-y1, \ + _dyr = y2-y0, \ + _dyl = y1-y0, \ + _counter = (_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ + _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ + _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ + cimg::min((int)(img).height-y-1,y2-y)), \ + _errn = _dyn/2, \ + _errr = _dyr/2, \ + _errl = _dyl/2, \ + _rxn = _dyn?(x2-x1)/_dyn:0, \ + _rxr = _dyr?(x2-x0)/_dyr:0, \ + _rxl = (y0!=y1 && y1>0)?(_dyl?(x1-x0)/_dyl:0): \ + (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn); \ + _counter>=0; --_counter, ++y, \ + xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ + xl+=(y!=y1)?_rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0): \ + (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1-xl)) + +#define _cimg_for_triangle2(img,xl,cl,xr,cr,y,x0,y0,c0,x1,y1,c1,x2,y2,c2) \ + for (int y = y0<0?0:y0, \ + xr = y0>=0?x0:(x0-y0*(x2-x0)/(y2-y0)), \ + cr = y0>=0?c0:(c0-y0*(c2-c0)/(y2-y0)), \ + xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0-y0*(x1-x0)/(y1-y0))):(x1-y1*(x2-x1)/(y2-y1)), \ + cl = y1>=0?(y0>=0?(y0==y1?c1:c0):(c0-y0*(c1-c0)/(y1-y0))):(c1-y1*(c2-c1)/(y2-y1)), \ + _sxn=1, _scn=1, \ + _sxr=1, _scr=1, \ + _sxl=1, _scl=1, \ + _dxn = x2>x1?x2-x1:(_sxn=-1,x1-x2), \ + _dxr = x2>x0?x2-x0:(_sxr=-1,x0-x2), \ + _dxl = x1>x0?x1-x0:(_sxl=-1,x0-x1), \ + _dcn = c2>c1?c2-c1:(_scn=-1,c1-c2), \ + _dcr = c2>c0?c2-c0:(_scr=-1,c0-c2), \ + _dcl = c1>c0?c1-c0:(_scl=-1,c0-c1), \ + _dyn = y2-y1, \ + _dyr = y2-y0, \ + _dyl = y1-y0, \ + _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ + _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ + _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ + _dcn-=_dyn?_dyn*(_dcn/_dyn):0, \ + _dcr-=_dyr?_dyr*(_dcr/_dyr):0, \ + _dcl-=_dyl?_dyl*(_dcl/_dyl):0, \ + cimg::min((int)(img).height-y-1,y2-y)), \ + _errn = _dyn/2, _errcn = _errn, \ + _errr = _dyr/2, _errcr = _errr, \ + _errl = _dyl/2, _errcl = _errl, \ + _rxn = _dyn?(x2-x1)/_dyn:0, \ + _rcn = _dyn?(c2-c1)/_dyn:0, \ + _rxr = _dyr?(x2-x0)/_dyr:0, \ + _rcr = _dyr?(c2-c0)/_dyr:0, \ + _rxl = (y0!=y1 && y1>0)?(_dyl?(x1-x0)/_dyl:0): \ + (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ + _rcl = (y0!=y1 && y1>0)?(_dyl?(c1-c0)/_dyl:0): \ + (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcn ); \ + _counter>=0; --_counter, ++y, \ + xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ + cr+=_rcr+((_errcr-=_dcr)<0?_errcr+=_dyr,_scr:0), \ + xl+=(y!=y1)?(cl+=_rcl+((_errcl-=_dcl)<0?(_errcl+=_dyl,_scl):0), \ + _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ + (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcl=_rcn, cl=c1, \ + _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1-xl)) + +#define _cimg_for_triangle3(img,xl,txl,tyl,xr,txr,tyr,y,x0,y0,tx0,ty0,x1,y1,tx1,ty1,x2,y2,tx2,ty2) \ + for (int y = y0<0?0:y0, \ + xr = y0>=0?x0:(x0-y0*(x2-x0)/(y2-y0)), \ + txr = y0>=0?tx0:(tx0-y0*(tx2-tx0)/(y2-y0)), \ + tyr = y0>=0?ty0:(ty0-y0*(ty2-ty0)/(y2-y0)), \ + xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0-y0*(x1-x0)/(y1-y0))):(x1-y1*(x2-x1)/(y2-y1)), \ + txl = y1>=0?(y0>=0?(y0==y1?tx1:tx0):(tx0-y0*(tx1-tx0)/(y1-y0))):(tx1-y1*(tx2-tx1)/(y2-y1)), \ + tyl = y1>=0?(y0>=0?(y0==y1?ty1:ty0):(ty0-y0*(ty1-ty0)/(y1-y0))):(ty1-y1*(ty2-ty1)/(y2-y1)), \ + _sxn=1, _stxn=1, _styn=1, \ + _sxr=1, _stxr=1, _styr=1, \ + _sxl=1, _stxl=1, _styl=1, \ + _dxn = x2>x1?x2-x1:(_sxn=-1,x1-x2), \ + _dxr = x2>x0?x2-x0:(_sxr=-1,x0-x2), \ + _dxl = x1>x0?x1-x0:(_sxl=-1,x0-x1), \ + _dtxn = tx2>tx1?tx2-tx1:(_stxn=-1,tx1-tx2), \ + _dtxr = tx2>tx0?tx2-tx0:(_stxr=-1,tx0-tx2), \ + _dtxl = tx1>tx0?tx1-tx0:(_stxl=-1,tx0-tx1), \ + _dtyn = ty2>ty1?ty2-ty1:(_styn=-1,ty1-ty2), \ + _dtyr = ty2>ty0?ty2-ty0:(_styr=-1,ty0-ty2), \ + _dtyl = ty1>ty0?ty1-ty0:(_styl=-1,ty0-ty1), \ + _dyn = y2-y1, \ + _dyr = y2-y0, \ + _dyl = y1-y0, \ + _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ + _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ + _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ + _dtxn-=_dyn?_dyn*(_dtxn/_dyn):0, \ + _dtxr-=_dyr?_dyr*(_dtxr/_dyr):0, \ + _dtxl-=_dyl?_dyl*(_dtxl/_dyl):0, \ + _dtyn-=_dyn?_dyn*(_dtyn/_dyn):0, \ + _dtyr-=_dyr?_dyr*(_dtyr/_dyr):0, \ + _dtyl-=_dyl?_dyl*(_dtyl/_dyl):0, \ + cimg::min((int)(img).height-y-1,y2-y)), \ + _errn = _dyn/2, _errtxn = _errn, _errtyn = _errn, \ + _errr = _dyr/2, _errtxr = _errr, _errtyr = _errr, \ + _errl = _dyl/2, _errtxl = _errl, _errtyl = _errl, \ + _rxn = _dyn?(x2-x1)/_dyn:0, \ + _rtxn = _dyn?(tx2-tx1)/_dyn:0, \ + _rtyn = _dyn?(ty2-ty1)/_dyn:0, \ + _rxr = _dyr?(x2-x0)/_dyr:0, \ + _rtxr = _dyr?(tx2-tx0)/_dyr:0, \ + _rtyr = _dyr?(ty2-ty0)/_dyr:0, \ + _rxl = (y0!=y1 && y1>0)?(_dyl?(x1-x0)/_dyl:0): \ + (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ + _rtxl = (y0!=y1 && y1>0)?(_dyl?(tx1-tx0)/_dyl:0): \ + (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxn ), \ + _rtyl = (y0!=y1 && y1>0)?(_dyl?(ty1-ty0)/_dyl:0): \ + (_errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyn ); \ + _counter>=0; --_counter, ++y, \ + xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ + txr+=_rtxr+((_errtxr-=_dtxr)<0?_errtxr+=_dyr,_stxr:0), \ + tyr+=_rtyr+((_errtyr-=_dtyr)<0?_errtyr+=_dyr,_styr:0), \ + xl+=(y!=y1)?(txl+=_rtxl+((_errtxl-=_dtxl)<0?(_errtxl+=_dyl,_stxl):0), \ + tyl+=_rtyl+((_errtyl-=_dtyl)<0?(_errtyl+=_dyl,_styl):0), \ + _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ + (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxl=_rtxn, txl=tx1, \ + _errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyl=_rtyn, tyl=ty1,\ + _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1-xl)) + +#define _cimg_for_triangle4(img,xl,cl,txl,tyl,xr,cr,txr,tyr,y,x0,y0,c0,tx0,ty0,x1,y1,c1,tx1,ty1,x2,y2,c2,tx2,ty2) \ + for (int y = y0<0?0:y0, \ + xr = y0>=0?x0:(x0-y0*(x2-x0)/(y2-y0)), \ + cr = y0>=0?c0:(c0-y0*(c2-c0)/(y2-y0)), \ + txr = y0>=0?tx0:(tx0-y0*(tx2-tx0)/(y2-y0)), \ + tyr = y0>=0?ty0:(ty0-y0*(ty2-ty0)/(y2-y0)), \ + xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0-y0*(x1-x0)/(y1-y0))):(x1-y1*(x2-x1)/(y2-y1)), \ + cl = y1>=0?(y0>=0?(y0==y1?c1:c0):(c0-y0*(c1-c0)/(y1-y0))):(c1-y1*(c2-c1)/(y2-y1)), \ + txl = y1>=0?(y0>=0?(y0==y1?tx1:tx0):(tx0-y0*(tx1-tx0)/(y1-y0))):(tx1-y1*(tx2-tx1)/(y2-y1)), \ + tyl = y1>=0?(y0>=0?(y0==y1?ty1:ty0):(ty0-y0*(ty1-ty0)/(y1-y0))):(ty1-y1*(ty2-ty1)/(y2-y1)), \ + _sxn=1, _scn=1, _stxn=1, _styn=1, \ + _sxr=1, _scr=1, _stxr=1, _styr=1, \ + _sxl=1, _scl=1, _stxl=1, _styl=1, \ + _dxn = x2>x1?x2-x1:(_sxn=-1,x1-x2), \ + _dxr = x2>x0?x2-x0:(_sxr=-1,x0-x2), \ + _dxl = x1>x0?x1-x0:(_sxl=-1,x0-x1), \ + _dcn = c2>c1?c2-c1:(_scn=-1,c1-c2), \ + _dcr = c2>c0?c2-c0:(_scr=-1,c0-c2), \ + _dcl = c1>c0?c1-c0:(_scl=-1,c0-c1), \ + _dtxn = tx2>tx1?tx2-tx1:(_stxn=-1,tx1-tx2), \ + _dtxr = tx2>tx0?tx2-tx0:(_stxr=-1,tx0-tx2), \ + _dtxl = tx1>tx0?tx1-tx0:(_stxl=-1,tx0-tx1), \ + _dtyn = ty2>ty1?ty2-ty1:(_styn=-1,ty1-ty2), \ + _dtyr = ty2>ty0?ty2-ty0:(_styr=-1,ty0-ty2), \ + _dtyl = ty1>ty0?ty1-ty0:(_styl=-1,ty0-ty1), \ + _dyn = y2-y1, \ + _dyr = y2-y0, \ + _dyl = y1-y0, \ + _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ + _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ + _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ + _dcn-=_dyn?_dyn*(_dcn/_dyn):0, \ + _dcr-=_dyr?_dyr*(_dcr/_dyr):0, \ + _dcl-=_dyl?_dyl*(_dcl/_dyl):0, \ + _dtxn-=_dyn?_dyn*(_dtxn/_dyn):0, \ + _dtxr-=_dyr?_dyr*(_dtxr/_dyr):0, \ + _dtxl-=_dyl?_dyl*(_dtxl/_dyl):0, \ + _dtyn-=_dyn?_dyn*(_dtyn/_dyn):0, \ + _dtyr-=_dyr?_dyr*(_dtyr/_dyr):0, \ + _dtyl-=_dyl?_dyl*(_dtyl/_dyl):0, \ + cimg::min((int)(img).height-y-1,y2-y)), \ + _errn = _dyn/2, _errcn = _errn, _errtxn = _errn, _errtyn = _errn, \ + _errr = _dyr/2, _errcr = _errr, _errtxr = _errr, _errtyr = _errr, \ + _errl = _dyl/2, _errcl = _errl, _errtxl = _errl, _errtyl = _errl, \ + _rxn = _dyn?(x2-x1)/_dyn:0, \ + _rcn = _dyn?(c2-c1)/_dyn:0, \ + _rtxn = _dyn?(tx2-tx1)/_dyn:0, \ + _rtyn = _dyn?(ty2-ty1)/_dyn:0, \ + _rxr = _dyr?(x2-x0)/_dyr:0, \ + _rcr = _dyr?(c2-c0)/_dyr:0, \ + _rtxr = _dyr?(tx2-tx0)/_dyr:0, \ + _rtyr = _dyr?(ty2-ty0)/_dyr:0, \ + _rxl = (y0!=y1 && y1>0)?(_dyl?(x1-x0)/_dyl:0): \ + (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ + _rcl = (y0!=y1 && y1>0)?(_dyl?(c1-c0)/_dyl:0): \ + (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcn ), \ + _rtxl = (y0!=y1 && y1>0)?(_dyl?(tx1-tx0)/_dyl:0): \ + (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxn ), \ + _rtyl = (y0!=y1 && y1>0)?(_dyl?(ty1-ty0)/_dyl:0): \ + (_errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyn ); \ + _counter>=0; --_counter, ++y, \ + xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ + cr+=_rcr+((_errcr-=_dcr)<0?_errcr+=_dyr,_scr:0), \ + txr+=_rtxr+((_errtxr-=_dtxr)<0?_errtxr+=_dyr,_stxr:0), \ + tyr+=_rtyr+((_errtyr-=_dtyr)<0?_errtyr+=_dyr,_styr:0), \ + xl+=(y!=y1)?(cl+=_rcl+((_errcl-=_dcl)<0?(_errcl+=_dyl,_scl):0), \ + txl+=_rtxl+((_errtxl-=_dtxl)<0?(_errtxl+=_dyl,_stxl):0), \ + tyl+=_rtyl+((_errtyl-=_dtyl)<0?(_errtyl+=_dyl,_styl):0), \ + _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ + (_errcl=_errcn, _dcl=_dcn, _dyl=_dyn, _scl=_scn, _rcl=_rcn, cl=c1, \ + _errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxl=_rtxn, txl=tx1, \ + _errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyl=_rtyn, tyl=ty1, \ + _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1-xl)) + +#define _cimg_for_triangle5(img,xl,txl,tyl,lxl,lyl,xr,txr,tyr,lxr,lyr,y,x0,y0,tx0,ty0,lx0,ly0,x1,y1,tx1,ty1,lx1,ly1,x2,y2,tx2,ty2,lx2,ly2) \ + for (int y = y0<0?0:y0, \ + xr = y0>=0?x0:(x0-y0*(x2-x0)/(y2-y0)), \ + txr = y0>=0?tx0:(tx0-y0*(tx2-tx0)/(y2-y0)), \ + tyr = y0>=0?ty0:(ty0-y0*(ty2-ty0)/(y2-y0)), \ + lxr = y0>=0?lx0:(lx0-y0*(lx2-lx0)/(y2-y0)), \ + lyr = y0>=0?ly0:(ly0-y0*(ly2-ly0)/(y2-y0)), \ + xl = y1>=0?(y0>=0?(y0==y1?x1:x0):(x0-y0*(x1-x0)/(y1-y0))):(x1-y1*(x2-x1)/(y2-y1)), \ + txl = y1>=0?(y0>=0?(y0==y1?tx1:tx0):(tx0-y0*(tx1-tx0)/(y1-y0))):(tx1-y1*(tx2-tx1)/(y2-y1)), \ + tyl = y1>=0?(y0>=0?(y0==y1?ty1:ty0):(ty0-y0*(ty1-ty0)/(y1-y0))):(ty1-y1*(ty2-ty1)/(y2-y1)), \ + lxl = y1>=0?(y0>=0?(y0==y1?lx1:lx0):(lx0-y0*(lx1-lx0)/(y1-y0))):(lx1-y1*(lx2-lx1)/(y2-y1)), \ + lyl = y1>=0?(y0>=0?(y0==y1?ly1:ly0):(ly0-y0*(ly1-ly0)/(y1-y0))):(ly1-y1*(ly2-ly1)/(y2-y1)), \ + _sxn=1, _stxn=1, _styn=1, _slxn=1, _slyn=1, \ + _sxr=1, _stxr=1, _styr=1, _slxr=1, _slyr=1, \ + _sxl=1, _stxl=1, _styl=1, _slxl=1, _slyl=1, \ + _dxn = x2>x1?x2-x1:(_sxn=-1,x1-x2), _dyn = y2-y1, \ + _dxr = x2>x0?x2-x0:(_sxr=-1,x0-x2), _dyr = y2-y0, \ + _dxl = x1>x0?x1-x0:(_sxl=-1,x0-x1), _dyl = y1-y0, \ + _dtxn = tx2>tx1?tx2-tx1:(_stxn=-1,tx1-tx2), \ + _dtxr = tx2>tx0?tx2-tx0:(_stxr=-1,tx0-tx2), \ + _dtxl = tx1>tx0?tx1-tx0:(_stxl=-1,tx0-tx1), \ + _dtyn = ty2>ty1?ty2-ty1:(_styn=-1,ty1-ty2), \ + _dtyr = ty2>ty0?ty2-ty0:(_styr=-1,ty0-ty2), \ + _dtyl = ty1>ty0?ty1-ty0:(_styl=-1,ty0-ty1), \ + _dlxn = lx2>lx1?lx2-lx1:(_slxn=-1,lx1-lx2), \ + _dlxr = lx2>lx0?lx2-lx0:(_slxr=-1,lx0-lx2), \ + _dlxl = lx1>lx0?lx1-lx0:(_slxl=-1,lx0-lx1), \ + _dlyn = ly2>ly1?ly2-ly1:(_slyn=-1,ly1-ly2), \ + _dlyr = ly2>ly0?ly2-ly0:(_slyr=-1,ly0-ly2), \ + _dlyl = ly1>ly0?ly1-ly0:(_slyl=-1,ly0-ly1), \ + _counter =(_dxn-=_dyn?_dyn*(_dxn/_dyn):0, \ + _dxr-=_dyr?_dyr*(_dxr/_dyr):0, \ + _dxl-=_dyl?_dyl*(_dxl/_dyl):0, \ + _dtxn-=_dyn?_dyn*(_dtxn/_dyn):0, \ + _dtxr-=_dyr?_dyr*(_dtxr/_dyr):0, \ + _dtxl-=_dyl?_dyl*(_dtxl/_dyl):0, \ + _dtyn-=_dyn?_dyn*(_dtyn/_dyn):0, \ + _dtyr-=_dyr?_dyr*(_dtyr/_dyr):0, \ + _dtyl-=_dyl?_dyl*(_dtyl/_dyl):0, \ + _dlxn-=_dyn?_dyn*(_dlxn/_dyn):0, \ + _dlxr-=_dyr?_dyr*(_dlxr/_dyr):0, \ + _dlxl-=_dyl?_dyl*(_dlxl/_dyl):0, \ + _dlyn-=_dyn?_dyn*(_dlyn/_dyn):0, \ + _dlyr-=_dyr?_dyr*(_dlyr/_dyr):0, \ + _dlyl-=_dyl?_dyl*(_dlyl/_dyl):0, \ + cimg::min((int)(img).height-y-1,y2-y)), \ + _errn = _dyn/2, _errtxn = _errn, _errtyn = _errn, _errlxn = _errn, _errlyn = _errn, \ + _errr = _dyr/2, _errtxr = _errr, _errtyr = _errr, _errlxr = _errr, _errlyr = _errr, \ + _errl = _dyl/2, _errtxl = _errl, _errtyl = _errl, _errlxl = _errl, _errlyl = _errl, \ + _rxn = _dyn?(x2-x1)/_dyn:0, \ + _rtxn = _dyn?(tx2-tx1)/_dyn:0, \ + _rtyn = _dyn?(ty2-ty1)/_dyn:0, \ + _rlxn = _dyn?(lx2-lx1)/_dyn:0, \ + _rlyn = _dyn?(ly2-ly1)/_dyn:0, \ + _rxr = _dyr?(x2-x0)/_dyr:0, \ + _rtxr = _dyr?(tx2-tx0)/_dyr:0, \ + _rtyr = _dyr?(ty2-ty0)/_dyr:0, \ + _rlxr = _dyr?(lx2-lx0)/_dyr:0, \ + _rlyr = _dyr?(ly2-ly0)/_dyr:0, \ + _rxl = (y0!=y1 && y1>0)?(_dyl?(x1-x0)/_dyl:0): \ + (_errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxn), \ + _rtxl = (y0!=y1 && y1>0)?(_dyl?(tx1-tx0)/_dyl:0): \ + (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxn ), \ + _rtyl = (y0!=y1 && y1>0)?(_dyl?(ty1-ty0)/_dyl:0): \ + (_errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyn ), \ + _rlxl = (y0!=y1 && y1>0)?(_dyl?(lx1-lx0)/_dyl:0): \ + (_errlxl=_errlxn, _dlxl=_dlxn, _dyl=_dyn, _slxl=_slxn, _rlxn ), \ + _rlyl = (y0!=y1 && y1>0)?(_dyl?(ly1-ly0)/_dyl:0): \ + (_errlyl=_errlyn, _dlyl=_dlyn, _dyl=_dyn, _slyl=_slyn, _rlyn ); \ + _counter>=0; --_counter, ++y, \ + xr+=_rxr+((_errr-=_dxr)<0?_errr+=_dyr,_sxr:0), \ + txr+=_rtxr+((_errtxr-=_dtxr)<0?_errtxr+=_dyr,_stxr:0), \ + tyr+=_rtyr+((_errtyr-=_dtyr)<0?_errtyr+=_dyr,_styr:0), \ + lxr+=_rlxr+((_errlxr-=_dlxr)<0?_errlxr+=_dyr,_slxr:0), \ + lyr+=_rlyr+((_errlyr-=_dlyr)<0?_errlyr+=_dyr,_slyr:0), \ + xl+=(y!=y1)?(txl+=_rtxl+((_errtxl-=_dtxl)<0?(_errtxl+=_dyl,_stxl):0), \ + tyl+=_rtyl+((_errtyl-=_dtyl)<0?(_errtyl+=_dyl,_styl):0), \ + lxl+=_rlxl+((_errlxl-=_dlxl)<0?(_errlxl+=_dyl,_slxl):0), \ + lyl+=_rlyl+((_errlyl-=_dlyl)<0?(_errlyl+=_dyl,_slyl):0), \ + _rxl+((_errl-=_dxl)<0?(_errl+=_dyl,_sxl):0)): \ + (_errtxl=_errtxn, _dtxl=_dtxn, _dyl=_dyn, _stxl=_stxn, _rtxl=_rtxn, txl=tx1, \ + _errtyl=_errtyn, _dtyl=_dtyn, _dyl=_dyn, _styl=_styn, _rtyl=_rtyn, tyl=ty1, \ + _errlxl=_errlxn, _dlxl=_dlxn, _dyl=_dyn, _slxl=_slxn, _rlxl=_rlxn, lxl=lx1, \ + _errlyl=_errlyn, _dlyl=_dlyn, _dyl=_dyn, _slyl=_slyn, _rlyl=_rlyn, lyl=ly1, \ + _errl=_errn, _dxl=_dxn, _dyl=_dyn, _sxl=_sxn, _rxl=_rxn, x1-xl)) + + // Draw a colored triangle (inner routine, uses bresenham's algorithm). + template<typename tc> + CImg<T>& _draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const tc *const color, const float opacity, + const float brightness) { + _draw_scanline(color,opacity); + const float nbrightness = brightness<0?0:(brightness>2?2:brightness); + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2); + if (ny0<dimy() && ny2>=0) { + if ((nx1 - nx0)*(ny2 - ny0) - (nx2 - nx0)*(ny1 - ny0)<0) + _cimg_for_triangle1(*this,xl,xr,y,nx0,ny0,nx1,ny1,nx2,ny2) _draw_scanline(xl,xr,y,color,opacity,nbrightness); + else + _cimg_for_triangle1(*this,xl,xr,y,nx0,ny0,nx1,ny1,nx2,ny2) _draw_scanline(xr,xl,y,color,opacity,nbrightness); + } + return *this; + } + + //! Draw a 2D filled colored triangle. + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const tc *const color, const float opacity=1) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_triangle : Specified color is (null).", + pixel_type()); + _draw_triangle(x0,y0,x1,y1,x2,y2,color,opacity,1); + return *this; + } + + //! Draw a 2D filled colored triangle. + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const CImg<tc>& color, const float opacity=1) { + return draw_triangle(x0,y0,x1,y1,x2,y2,color.data,opacity); + } + + //! Draw a 2D outlined colored triangle. + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const tc *const color, const float opacity, + const unsigned int pattern) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_triangle : Specified color is (null).", + pixel_type()); + draw_line(x0,y0,x1,y1,color,opacity,pattern,true). + draw_line(x1,y1,x2,y2,color,opacity,pattern,false). + draw_line(x2,y2,x0,y0,color,opacity,pattern,false); + return *this; + } + + //! Draw a 2D outlined colored triangle. + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const CImg<tc>& color, const float opacity, + const unsigned int pattern) { + return draw_triangle(x0,y0,x1,y1,x2,y2,color.data,opacity,pattern); + } + + //! Draw a 2D filled colored triangle, with z-buffering. + template<typename tc> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const tc *const color, const float opacity=1, + const float brightness=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified color is (null).", + pixel_type()); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float + nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), + nbrightness = brightness<0?0:(brightness>2?2:brightness); + const int whz = width*height*depth, offx = dim*whz; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; + float nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nz0,nz2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nz1,nz2); + if (ny0>=dimy() || ny2<0) return *this; + float + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); + _cimg_for_triangle1(*this,xleft0,xright0,y,nx0,ny0,nx1,ny1,nx2,ny2) { + if (y==ny1) { zl = nz1; pzl = pzn; } + int xleft = xleft0, xright = xright0; + float zleft = zl, zright = zr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright); + const int dx = xright - xleft; + const float pentez = (zright - zleft)/dx; + if (xleft<0 && dx) zleft-=xleft*(zright - zleft)/dx; + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + float *ptrz = zbuffer + xleft + y*width; + if (opacity>=1) { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=whz; } + ptrd-=offx; + } + zleft+=pentez; + } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; cimg_forV(*this,k) { *ptrd = (T)(nbrightness*(*col++)); ptrd+=whz; } + ptrd-=offx; + } + zleft+=pentez; + } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; cimg_forV(*this,k) { *ptrd = (T)((2-nbrightness)**(col++) + (nbrightness-1)*maxval); ptrd+=whz; } + ptrd-=offx; + } + zleft+=pentez; + } + } else { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; cimg_forV(*this,k) { *ptrd = (T)(nopacity**(col++) + *ptrd*copacity); ptrd+=whz; } + ptrd-=offx; + } + zleft+=pentez; + } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; cimg_forV(*this,k) { *ptrd = (T)(nopacity*nbrightness**(col++) + *ptrd*copacity); ptrd+=whz; } + ptrd-=offx; + } + zleft+=pentez; + } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; + cimg_forV(*this,k) { + const T val = (T)((2-nbrightness)**(col++) + (nbrightness-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; + } + ptrd-=offx; + } + zleft+=pentez; + } + } + zr+=pzr; zl+=pzl; + } + return *this; + } + + //! Draw a 2D filled colored triangle, with z-buffering. + template<typename tc> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& color, const float opacity=1, + const float brightness=1) { + return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color.data,opacity,brightness); + } + + //! Draw a 2D Gouraud-shaded colored triangle. + /** + \param x0 = X-coordinate of the first corner in the instance image. + \param y0 = Y-coordinate of the first corner in the instance image. + \param x1 = X-coordinate of the second corner in the instance image. + \param y1 = Y-coordinate of the second corner in the instance image. + \param x2 = X-coordinate of the third corner in the instance image. + \param y2 = Y-coordinate of the third corner in the instance image. + \param color = array of dimv() values of type \c T, defining the global drawing color. + \param brightness0 = brightness of the first corner (in [0,2]). + \param brightness1 = brightness of the second corner (in [0,2]). + \param brightness2 = brightness of the third corner (in [0,2]). + \param opacity = opacity of the drawing. + \note Clipping is supported. + **/ + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const tc *const color, + const float brightness0, + const float brightness1, + const float brightness2, + const float opacity=1) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_triangle : Specified color is (null).", + pixel_type()); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, offx = dim*whz-1; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nc0 = (int)((brightness0<0?0:(brightness0>2?2:brightness0))*256), + nc1 = (int)((brightness1<0?0:(brightness1>2?2:brightness1))*256), + nc2 = (int)((brightness2<0?0:(brightness2>2?2:brightness2))*256); + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nc0,nc1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nc0,nc2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nc1,nc2); + if (ny0>=dimy() || ny2<0) return *this; + _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { + int xleft = xleft0, xright = xright0, cleft = cleft0, cright = cright0; + if (xright<xleft) cimg::swap(xleft,xright,cleft,cright); + const int + dx = xright - xleft, + dc = cright>cleft?cright - cleft:cleft - cright, + rc = dx?(cright - cleft)/dx:0, + sc = cright>cleft?1:-1, + ndc = dc-(dx?dx*(dc/dx):0); + int errc = dx>>1; + if (xleft<0 && dx) cleft-=xleft*(cright - cleft)/dx; + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y); + if (opacity>=1) for (int x = xleft; x<=xright; ++x) { + const tc *col = color; + cimg_forV(*this,k) { + *ptrd = (T)(cleft<256?cleft**(col++)/256:((512-cleft)**(col++)+(cleft-256)*maxval)/256); + ptrd+=whz; + } + ptrd-=offx; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } else for (int x = xleft; x<=xright; ++x) { + const tc *col = color; + cimg_forV(*this,k) { + const T val = (T)(cleft<256?cleft**(col++)/256:((512-cleft)**(col++)+(cleft-256)*maxval)/256); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; + } + ptrd-=offx; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } + } + return *this; + } + + //! Draw a 2D Gouraud-shaded colored triangle. + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const CImg<tc>& color, + const float brightness0, + const float brightness1, + const float brightness2, + const float opacity=1) { + return draw_triangle(x0,y0,x1,y1,x2,y2,color.data,brightness0,brightness1,brightness2,opacity); + } + + //! Draw a 2D Gouraud-shaded colored triangle, with z-buffering. + template<typename tc> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const tc *const color, + const float brightness0, + const float brightness1, + const float brightness2, + const float opacity=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified color is (null).", + pixel_type()); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, offx = dim*whz; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nc0 = (int)((brightness0<0?0:(brightness0>2?2:brightness0))*256), + nc1 = (int)((brightness1<0?0:(brightness1>2?2:brightness1))*256), + nc2 = (int)((brightness2<0?0:(brightness2>2?2:brightness2))*256); + float nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nz0,nz1,nc0,nc1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nz0,nz2,nc0,nc2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nz1,nz2,nc1,nc2); + if (ny0>=dimy() || ny2<0) return *this; + float + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); + _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { + if (y==ny1) { zl = nz1; pzl = pzn; } + int xleft = xleft0, xright = xright0, cleft = cleft0, cright = cright0; + float zleft = zl, zright = zr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,cleft,cright); + const int + dx = xright - xleft, + dc = cright>cleft?cright - cleft:cleft - cright, + rc = dx?(cright-cleft)/dx:0, + sc = cright>cleft?1:-1, + ndc = dc-(dx?dx*(dc/dx):0); + const float pentez = (zright - zleft)/dx; + int errc = dx>>1; + if (xleft<0 && dx) { + cleft-=xleft*(cright - cleft)/dx; + zleft-=xleft*(zright - zleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T *ptrd = ptr(xleft,y); + float *ptrz = zbuffer + xleft + y*width; + if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; + cimg_forV(*this,k) { + *ptrd = (T)(cleft<256?cleft**(col++)/256:((512-cleft)**(col++)+(cleft-256)*maxval)/256); + ptrd+=whz; + } + ptrd-=offx; + } + zleft+=pentez; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } else for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tc *col = color; + cimg_forV(*this,k) { + const T val = (T)(cleft<256?cleft**(col++)/256:((512-cleft)**(col++)+(cleft-256)*maxval)/256); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; + } + ptrd-=offx; + } + zleft+=pentez; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } + zr+=pzr; zl+=pzl; + } + return *this; + } + + //! Draw a Gouraud triangle with z-buffer consideration. + template<typename tc> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& color, + const float brightness0, + const float brightness1, + const float brightness2, + const float opacity=1) { + return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color.data,brightness0,brightness1,brightness2,opacity); + } + + //! Draw a 2D textured triangle. + /** + \param x0 = X-coordinate of the first corner in the instance image. + \param y0 = Y-coordinate of the first corner in the instance image. + \param x1 = X-coordinate of the second corner in the instance image. + \param y1 = Y-coordinate of the second corner in the instance image. + \param x2 = X-coordinate of the third corner in the instance image. + \param y2 = Y-coordinate of the third corner in the instance image. + \param texture = texture image used to fill the triangle. + \param tx0 = X-coordinate of the first corner in the texture image. + \param ty0 = Y-coordinate of the first corner in the texture image. + \param tx1 = X-coordinate of the second corner in the texture image. + \param ty1 = Y-coordinate of the second corner in the texture image. + \param tx2 = X-coordinate of the third corner in the texture image. + \param ty2 = Y-coordinate of the third corner in the texture image. + \param opacity = opacity of the drawing. + \param brightness = brightness of the drawing (in [0,2]). + \note Clipping is supported, but texture coordinates do not support clipping. + **/ + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const float opacity=1, + const float brightness=1) { + if (is_empty()) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_triangle(x0,y0,x1,y1,x2,y2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,opacity,brightness); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float + nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), + nbrightness = brightness<0?0:(brightness>2?2:brightness); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz-1; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + ntx0 = tx0, nty0 = ty0, ntx1 = tx1, nty1 = ty1, ntx2 = tx2, nty2 = ty2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2); + if (ny0>=dimy() || ny2<0) return *this; + _cimg_for_triangle3(*this,xleft0,txleft0,tyleft0,xright0,txright0,tyright0,y, + nx0,ny0,ntx0,nty0,nx1,ny1,ntx1,nty1,nx2,ny2,ntx2,nty2) { + int + xleft = xleft0, xright = xright0, + txleft = txleft0, txright = txright0, + tyleft = tyleft0, tyright = tyright0; + if (xright<xleft) cimg::swap(xleft,xright,txleft,txright,tyleft,tyright); + const int + dx = xright - xleft, + dtx = txright>txleft?txright - txleft:txleft - txright, + dty = tyright>tyleft?tyright - tyleft:tyleft - tyright, + rtx = dx?(txright - txleft)/dx:0, + rty = dx?(tyright - tyleft)/dx:0, + stx = txright>txleft?1:-1, + sty = tyright>tyleft?1:-1, + ndtx = dtx - (dx?dx*(dtx/dx):0), + ndty = dty - (dx?dx*(dty/dx):0); + int errtx = dx>>1, errty = errtx; + if (xleft<0 && dx) { + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + if (opacity>=1) { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + *ptrd = (T)*col; + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + *ptrd = (T)(nbrightness**col); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } else for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + *ptrd = (T)((2-nbrightness)**(col++) + (nbrightness-1)*maxval); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } + } else { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + *ptrd = (T)(nopacity**col + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + *ptrd = (T)(nopacity*nbrightness**col + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } else for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + const T val = (T)((2-nbrightness)**(col++) + (nbrightness-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } + } + } + return *this; + } + + //! Draw a 2D textured triangle, with perspective correction. + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const float opacity=1, + const float brightness=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,opacity,brightness); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float + nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), + nbrightness = brightness<0?0:(brightness>2?2:brightness); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz-1; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; + float + ntx0 = tx0/z0, nty0 = ty0/z0, + ntx1 = tx1/z1, nty1 = ty1/z1, + ntx2 = tx2/z2, nty2 = ty2/z2, + nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2); + if (ny0>=dimy() || ny2<0) return *this; + float + ptxl = (ntx1 - ntx0)/(ny1 - ny0), + ptxr = (ntx2 - ntx0)/(ny2 - ny0), + ptxn = (ntx2 - ntx1)/(ny2 - ny1), + ptyl = (nty1 - nty0)/(ny1 - ny0), + ptyr = (nty2 - nty0)/(ny2 - ny0), + ptyn = (nty2 - nty1)/(ny2 - ny1), + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), + tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), + txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))):(ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), + tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))):(ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); + _cimg_for_triangle1(*this,xleft0,xright0,y,nx0,ny0,nx1,ny1,nx2,ny2) { + if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } + int xleft = xleft0, xright = xright0; + float + zleft = zl, zright = zr, + txleft = txl, txright = txr, + tyleft = tyl, tyright = tyr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,txleft,txright,tyleft,tyright); + const int dx = xright - xleft; + const float + pentez = (zright - zleft)/dx, + pentetx = (txright - txleft)/dx, + pentety = (tyright - tyleft)/dx; + if (xleft<0 && dx) { + zleft-=xleft*(zright - zleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + if (opacity>=1) { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)*col; + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else if (nbrightness<1) for (int x=xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(nbrightness**col); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)((2-nbrightness)**col + (nbrightness-1)*maxval); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } + } else { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(nopacity**col + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(nopacity*nbrightness**col + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + const T val = (T)((2-nbrightness)**col + (nbrightness-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } + } + zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; + } + return *this; + } + + //! Draw a 2D textured triangle, with z-buffering and perspective correction. + template<typename tc> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const float opacity=1, + const float brightness=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,opacity,brightness); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float + nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), + nbrightness = brightness<0?0:(brightness>2?2:brightness); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2; + float + ntx0 = tx0/z0, nty0 = ty0/z0, + ntx1 = tx1/z1, nty1 = ty1/z1, + ntx2 = tx2/z2, nty2 = ty2/z2, + nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2); + if (ny0>=dimy() || ny2<0) return *this; + float + ptxl = (ntx1 - ntx0)/(ny1 - ny0), + ptxr = (ntx2 - ntx0)/(ny2 - ny0), + ptxn = (ntx2 - ntx1)/(ny2 - ny1), + ptyl = (nty1 - nty0)/(ny1 - ny0), + ptyr = (nty2 - nty0)/(ny2 - ny0), + ptyn = (nty2 - nty1)/(ny2 - ny1), + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), + tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), + txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))):(ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), + tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))):(ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); + _cimg_for_triangle1(*this,xleft0,xright0,y,nx0,ny0,nx1,ny1,nx2,ny2) { + if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } + int xleft = xleft0, xright = xright0; + float + zleft = zl, zright = zr, + txleft = txl, txright = txr, + tyleft = tyl, tyright = tyr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,txleft,txright,tyleft,tyright); + const int dx = xright - xleft; + const float + pentez = (zright - zleft)/dx, + pentetx = (txright - txleft)/dx, + pentety = (tyright - tyleft)/dx; + if (xleft<0 && dx) { + zleft-=xleft*(zright - zleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T *ptrd = ptr(xleft,y,0,0); + float *ptrz = zbuffer + xleft + y*width; + if (opacity>=1) { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)*col; + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(nbrightness**col); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)((2-nbrightness)**col + (nbrightness-1)*maxval); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } + } else { + if (nbrightness==1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(nopacity**col + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else if (nbrightness<1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(nopacity*nbrightness**col + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + const T val = (T)((2-nbrightness)**col + (nbrightness-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + } + } + zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; + } + return *this; + } + + //! Draw a 2D Pseudo-Phong-shaded triangle. + /** + \param x0 = X-coordinate of the first corner in the instance image. + \param y0 = Y-coordinate of the first corner in the instance image. + \param x1 = X-coordinate of the second corner in the instance image. + \param y1 = Y-coordinate of the second corner in the instance image. + \param x2 = X-coordinate of the third corner in the instance image. + \param y2 = Y-coordinate of the third corner in the instance image. + \param color = array of dimv() values of type \c T, defining the global drawing color. + \param light = light image. + \param lx0 = X-coordinate of the first corner in the light image. + \param ly0 = Y-coordinate of the first corner in the light image. + \param lx1 = X-coordinate of the second corner in the light image. + \param ly1 = Y-coordinate of the second corner in the light image. + \param lx2 = X-coordinate of the third corner in the light image. + \param ly2 = Y-coordinate of the third corner in the light image. + \param opacity = opacity of the drawing. + \note Clipping is supported, but texture coordinates do not support clipping. + **/ + template<typename tc, typename tl> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const tc *const color, + const CImg<tl>& light, + const int lx0, const int ly0, + const int lx1, const int ly1, + const int lx2, const int ly2, + const float opacity=1) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_triangle : Specified color is (null).", + pixel_type()); + if (!light) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified light texture (%u,%u,%u,%u,%p) is empty.", + pixel_type(),light.width,light.height,light.depth,light.dim,light.data); + if (is_overlapped(light)) return draw_triangle(x0,y0,x1,y1,x2,y2,color,+light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; + const int whz = width*height*depth, offx = dim*whz-1; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nlx0,nlx1,nly0,nly1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nlx0,nlx2,nly0,nly2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nlx1,nlx2,nly1,nly2); + if (ny0>=dimy() || ny2<0) return *this; + _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, + nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { + int + xleft = xleft0, xright = xright0, + lxleft = lxleft0, lxright = lxright0, + lyleft = lyleft0, lyright = lyright0; + if (xright<xleft) cimg::swap(xleft,xright,lxleft,lxright,lyleft,lyright); + const int + dx = xright - xleft, + dlx = lxright>lxleft?lxright - lxleft:lxleft - lxright, + dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, + rlx = dx?(lxright - lxleft)/dx:0, + rly = dx?(lyright - lyleft)/dx:0, + slx = lxright>lxleft?1:-1, + sly = lyright>lyleft?1:-1, + ndlx = dlx - (dx?dx*(dlx/dx):0), + ndly = dly - (dx?dx*(dly/dx):0); + int errlx = dx>>1, errly = errlx; + if (xleft<0 && dx) { + lxleft-=xleft*(lxright - lxleft)/dx; + lyleft-=xleft*(lyright - lyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + if (opacity>=1) for (int x = xleft; x<=xright; ++x) { + const tl l = light(lxleft,lyleft); + const tc *col = color; + cimg_forV(*this,k) { + *ptrd = (T)(l<1?l**(col++):((2-l)**(col++)+(l-1)*maxval)); + ptrd+=whz; + } + ptrd-=offx; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } else for (int x = xleft; x<=xright; ++x) { + const tl l = light(lxleft,lyleft); + const tc *col = color; + cimg_forV(*this,k) { + const T val = (T)(l<1?l**(col++):((2-l)**(col++)+(l-1)*maxval)); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; + } + ptrd-=offx; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } + } + return *this; + } + + //! Draw a 2D Pseudo-Phong-shaded triangle. + template<typename tc, typename tl> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const CImg<tc>& color, + const CImg<tl>& light, + const int lx0, const int ly0, + const int lx1, const int ly1, + const int lx2, const int ly2, + const float opacity=1) { + return draw_triangle(x0,y0,x1,y1,x2,y2,color.data,light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + } + + //! Draw a 2D Pseudo-Phong-shaded triangle, with z-buffering. + template<typename tc, typename tl> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const tc *const color, + const CImg<tl>& light, + const int lx0, const int ly0, + const int lx1, const int ly1, + const int lx2, const int ly2, + const float opacity=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified color is (null).", + pixel_type()); + if (!light) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified light texture (%u,%u,%u,%u,%p) is empty.", + pixel_type(),light.width,light.height,light.depth,light.dim,light.data); + if (is_overlapped(light)) return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color, + +light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, offx = dim*whz; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; + float nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,nlx0,nlx1,nly0,nly1,nz0,nz1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,nlx0,nlx2,nly0,nly2,nz0,nz2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,nlx1,nlx2,nly1,nly2,nz1,nz2); + if (ny0>=dimy() || ny2<0) return *this; + float + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))); + _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, + nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { + if (y==ny1) { zl = nz1; pzl = pzn; } + int + xleft = xleft0, xright = xright0, + lxleft = lxleft0, lxright = lxright0, + lyleft = lyleft0, lyright = lyright0; + float zleft = zl, zright = zr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,lxleft,lxright,lyleft,lyright); + const int + dx = xright - xleft, + dlx = lxright>lxleft?lxright - lxleft:lxleft - lxright, + dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, + rlx = dx?(lxright - lxleft)/dx:0, + rly = dx?(lyright - lyleft)/dx:0, + slx = lxright>lxleft?1:-1, + sly = lyright>lyleft?1:-1, + ndlx = dlx - (dx?dx*(dlx/dx):0), + ndly = dly - (dx?dx*(dly/dx):0); + const float pentez = (zright - zleft)/dx; + int errlx = dx>>1, errly = errlx; + if (xleft<0 && dx) { + zleft-=xleft*(zright - zleft)/dx; + lxleft-=xleft*(lxright - lxleft)/dx; + lyleft-=xleft*(lyright - lyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T *ptrd = ptr(xleft,y,0,0); + float *ptrz = zbuffer + xleft + y*width; + if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tl l = light(lxleft,lyleft); + const tc *col = color; + cimg_forV(*this,k) { + const tc cval = *(col++); + *ptrd = (T)(l<1?l*cval:(2-l)*cval+(l-1)*maxval); + ptrd+=whz; + } + ptrd-=offx; + } + zleft+=pentez; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const tl l = light(lxleft,lyleft); + const tc *col = color; + cimg_forV(*this,k) { + const tc cval = *(col++); + const T val = (T)(l<1?l*cval:(2-l)*cval+(l-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; + } + ptrd-=offx; + } + zleft+=pentez; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } + zr+=pzr; zl+=pzl; + } + return *this; + } + + //! Draw a 2D Pseudo-Phong-shaded triangle, with z-buffering. + template<typename tc, typename tl> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& color, + const CImg<tl>& light, + const int lx0, const int ly0, + const int lx1, const int ly1, + const int lx2, const int ly2, + const float opacity=1) { + return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color.data,light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + } + + //! Draw a 2D Gouraud-shaded textured triangle. + /** + \param x0 = X-coordinate of the first corner in the instance image. + \param y0 = Y-coordinate of the first corner in the instance image. + \param x1 = X-coordinate of the second corner in the instance image. + \param y1 = Y-coordinate of the second corner in the instance image. + \param x2 = X-coordinate of the third corner in the instance image. + \param y2 = Y-coordinate of the third corner in the instance image. + \param texture = texture image used to fill the triangle. + \param tx0 = X-coordinate of the first corner in the texture image. + \param ty0 = Y-coordinate of the first corner in the texture image. + \param tx1 = X-coordinate of the second corner in the texture image. + \param ty1 = Y-coordinate of the second corner in the texture image. + \param tx2 = X-coordinate of the third corner in the texture image. + \param ty2 = Y-coordinate of the third corner in the texture image. + \param brightness0 = brightness value of the first corner. + \param brightness1 = brightness value of the second corner. + \param brightness2 = brightness value of the third corner. + \param opacity = opacity of the drawing. + \note Clipping is supported, but texture coordinates do not support clipping. + **/ + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const float brightness0, + const float brightness1, + const float brightness2, + const float opacity=1) { + if (is_empty()) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) + return draw_triangle(x0,y0,x1,y1,x2,y2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,brightness0,brightness1,brightness2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz-1; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + ntx0 = tx0, nty0 = ty0, ntx1 = tx1, nty1 = ty1, ntx2 = tx2, nty2 = ty2, + nc0 = (int)((brightness0<0?0:(brightness0>2?2:brightness0))*256), + nc1 = (int)((brightness1<0?0:(brightness1>2?2:brightness1))*256), + nc2 = (int)((brightness2<0?0:(brightness2>2?2:brightness2))*256); + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nc0,nc1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nc0,nc2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nc1,nc2); + if (ny0>=dimy() || ny2<0) return *this; + _cimg_for_triangle4(*this,xleft0,cleft0,txleft0,tyleft0,xright0,cright0,txright0,tyright0,y, + nx0,ny0,nc0,ntx0,nty0,nx1,ny1,nc1,ntx1,nty1,nx2,ny2,nc2,ntx2,nty2) { + int + xleft = xleft0, xright = xright0, + cleft = cleft0, cright = cright0, + txleft = txleft0, txright = txright0, + tyleft = tyleft0, tyright = tyright0; + if (xright<xleft) cimg::swap(xleft,xright,cleft,cright,txleft,txright,tyleft,tyright); + const int + dx = xright - xleft, + dc = cright>cleft?cright - cleft:cleft - cright, + dtx = txright>txleft?txright - txleft:txleft - txright, + dty = tyright>tyleft?tyright - tyleft:tyleft - tyright, + rc = dx?(cright - cleft)/dx:0, + rtx = dx?(txright - txleft)/dx:0, + rty = dx?(tyright - tyleft)/dx:0, + sc = cright>cleft?1:-1, + stx = txright>txleft?1:-1, + sty = tyright>tyleft?1:-1, + ndc = dc - (dx?dx*(dc/dx):0), + ndtx = dtx - (dx?dx*(dtx/dx):0), + ndty = dty - (dx?dx*(dty/dx):0); + int errc = dx>>1, errtx = errc, errty = errc; + if (xleft<0 && dx) { + cleft-=xleft*(cright - cleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + if (opacity>=1) for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + *ptrd = (T)(cleft<256?cleft**col/256:((512-cleft)**col+(cleft-256)*maxval)/256); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } else for (int x = xleft; x<=xright; ++x) { + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + const T val = (T)(cleft<256?cleft**col/256:((512-cleft)**col+(cleft-256)*maxval)/256); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } + } + return *this; + } + + //! Draw a 2D Gouraud-shaded textured triangle, with perspective correction. + template<typename tc> + CImg<T>& draw_triangle(const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const float brightness0, + const float brightness1, + const float brightness2, + const float opacity=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2, + brightness0,brightness1,brightness2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz-1; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nc0 = (int)((brightness0<0?0:(brightness0>2?2:brightness0))*256), + nc1 = (int)((brightness1<0?0:(brightness1>2?2:brightness1))*256), + nc2 = (int)((brightness2<0?0:(brightness2>2?2:brightness2))*256); + float + ntx0 = tx0/z0, nty0 = ty0/z0, + ntx1 = tx1/z1, nty1 = ty1/z1, + ntx2 = tx2/z2, nty2 = ty2/z2, + nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1,nc0,nc1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2,nc0,nc2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2,nc1,nc2); + if (ny0>=dimy() || ny2<0) return *this; + float + ptxl = (ntx1 - ntx0)/(ny1 - ny0), + ptxr = (ntx2 - ntx0)/(ny2 - ny0), + ptxn = (ntx2 - ntx1)/(ny2 - ny1), + ptyl = (nty1 - nty0)/(ny1 - ny0), + ptyr = (nty2 - nty0)/(ny2 - ny0), + ptyn = (nty2 - nty1)/(ny2 - ny1), + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), + tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), + txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))):(ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), + tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))):(ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); + _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { + if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } + int + xleft = xleft0, xright = xright0, + cleft = cleft0, cright = cright0; + float + zleft = zl, zright = zr, + txleft = txl, txright = txr, + tyleft = tyl, tyright = tyr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,txleft,txright,tyleft,tyright,cleft,cright); + const int + dx = xright - xleft, + dc = cright>cleft?cright - cleft:cleft - cright, + rc = dx?(cright - cleft)/dx:0, + sc = cright>cleft?1:-1, + ndc = dc - (dx?dx*(dc/dx):0); + const float + pentez = (zright - zleft)/dx, + pentetx = (txright - txleft)/dx, + pentety = (tyright - tyleft)/dx; + int errc = dx>>1; + if (xleft<0 && dx) { + cleft-=xleft*(cright - cleft)/dx; + zleft-=xleft*(zright - zleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + if (opacity>=1) for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(cleft<256?cleft**col/256:((512-cleft)**col+(cleft-256)*maxval)/256); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } else for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + const T val = (T)(cleft<256?cleft**col/256:((512-cleft)**col+(cleft-256)*maxval)/256); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } + zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; + } + return *this; + } + + //! Draw a 2D Gouraud-shaded textured triangle, with z-buffering and perspective correction. + template<typename tc> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const float brightness0, + const float brightness1, + const float brightness2, + const float opacity=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (is_overlapped(texture)) return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2, + brightness0,brightness1,brightness2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nc0 = (int)((brightness0<0?0:(brightness0>2?2:brightness0))*256), + nc1 = (int)((brightness1<0?0:(brightness1>2?2:brightness1))*256), + nc2 = (int)((brightness2<0?0:(brightness2>2?2:brightness2))*256); + float + ntx0 = tx0/z0, nty0 = ty0/z0, + ntx1 = tx1/z1, nty1 = ty1/z1, + ntx2 = tx2/z2, nty2 = ty2/z2, + nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nz0,nz1,nc0,nc1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nz0,nz2,nc0,nc2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nz1,nz2,nc1,nc2); + if (ny0>=dimy() || ny2<0) return *this; + float + ptxl = (ntx1 - ntx0)/(ny1 - ny0), + ptxr = (ntx2 - ntx0)/(ny2 - ny0), + ptxn = (ntx2 - ntx1)/(ny2 - ny1), + ptyl = (nty1 - nty0)/(ny1 - ny0), + ptyr = (nty2 - nty0)/(ny2 - ny0), + ptyn = (nty2 - nty1)/(ny2 - ny1), + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), + tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), + txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))):(ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), + tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))):(ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); + _cimg_for_triangle2(*this,xleft0,cleft0,xright0,cright0,y,nx0,ny0,nc0,nx1,ny1,nc1,nx2,ny2,nc2) { + if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } + int + xleft = xleft0, xright = xright0, + cleft = cleft0, cright = cright0; + float + zleft = zl, zright = zr, + txleft = txl, txright = txr, + tyleft = tyl, tyright = tyr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,txleft,txright,tyleft,tyright,cleft,cright); + const int + dx = xright - xleft, + dc = cright>cleft?cright - cleft:cleft - cright, + rc = dx?(cright - cleft)/dx:0, + sc = cright>cleft?1:-1, + ndc = dc - (dx?dx*(dc/dx):0); + const float + pentez = (zright - zleft)/dx, + pentetx = (txright - txleft)/dx, + pentety = (tyright - tyleft)/dx; + int errc = dx>>1; + if (xleft<0 && dx) { + cleft-=xleft*(cright - cleft)/dx; + zleft-=xleft*(zright - zleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y); + float *ptrz = zbuffer + xleft + y*width; + if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(cleft<256?cleft**col/256:((512-cleft)**col+(cleft-256)*maxval)/256); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } else for (int x = xleft; x<=xright; ++x, ++ptrd, ++ptrz) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + const T val = (T)(cleft<256?cleft**col/256:((512-cleft)**col+(cleft-256)*maxval)/256); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + cleft+=rc+((errc-=ndc)<0?errc+=dx,sc:0); + } + zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; + } + return *this; + } + + //! Draw a 2D Pseudo-Phong-shaded textured triangle. + /** + \param x0 = X-coordinate of the first corner in the instance image. + \param y0 = Y-coordinate of the first corner in the instance image. + \param x1 = X-coordinate of the second corner in the instance image. + \param y1 = Y-coordinate of the second corner in the instance image. + \param x2 = X-coordinate of the third corner in the instance image. + \param y2 = Y-coordinate of the third corner in the instance image. + \param texture = texture image used to fill the triangle. + \param tx0 = X-coordinate of the first corner in the texture image. + \param ty0 = Y-coordinate of the first corner in the texture image. + \param tx1 = X-coordinate of the second corner in the texture image. + \param ty1 = Y-coordinate of the second corner in the texture image. + \param tx2 = X-coordinate of the third corner in the texture image. + \param ty2 = Y-coordinate of the third corner in the texture image. + \param light = light image. + \param lx0 = X-coordinate of the first corner in the light image. + \param ly0 = Y-coordinate of the first corner in the light image. + \param lx1 = X-coordinate of the second corner in the light image. + \param ly1 = Y-coordinate of the second corner in the light image. + \param lx2 = X-coordinate of the third corner in the light image. + \param ly2 = Y-coordinate of the third corner in the light image. + \param opacity = opacity of the drawing. + \note Clipping is supported, but texture coordinates do not support clipping. + **/ + template<typename tc, typename tl> + CImg<T>& draw_triangle(const int x0, const int y0, + const int x1, const int y1, + const int x2, const int y2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const CImg<tl>& light, + const int lx0, const int ly0, + const int lx1, const int ly1, + const int lx2, const int ly2, + const float opacity=1) { + if (is_empty()) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (!light) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified light texture (%u,%u,%u,%u,%p) is empty.", + pixel_type(),light.width,light.height,light.depth,light.dim,light.data); + if (is_overlapped(texture)) return draw_triangle(x0,y0,x1,y1,x2,y2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + if (is_overlapped(light)) return draw_triangle(x0,y0,x1,y1,x2,y2,texture,tx0,ty0,tx1,ty1,tx2,ty2,+light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz-1; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + ntx0 = tx0, nty0 = ty0, ntx1 = tx1, nty1 = ty1, ntx2 = tx2, nty2 = ty2, + nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nlx0,nlx1,nly0,nly1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nlx0,nlx2,nly0,nly2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nlx1,nlx2,nly1,nly2); + if (ny0>=dimy() || ny2<0) return *this; + _cimg_for_triangle5(*this,xleft0,lxleft0,lyleft0,txleft0,tyleft0,xright0,lxright0,lyright0,txright0,tyright0,y, + nx0,ny0,nlx0,nly0,ntx0,nty0,nx1,ny1,nlx1,nly1,ntx1,nty1,nx2,ny2,nlx2,nly2,ntx2,nty2) { + int + xleft = xleft0, xright = xright0, + lxleft = lxleft0, lxright = lxright0, + lyleft = lyleft0, lyright = lyright0, + txleft = txleft0, txright = txright0, + tyleft = tyleft0, tyright = tyright0; + if (xright<xleft) cimg::swap(xleft,xright,lxleft,lxright,lyleft,lyright,txleft,txright,tyleft,tyright); + const int + dx = xright - xleft, + dlx = lxright>lxleft?lxright - lxleft:lxleft - lxright, + dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, + dtx = txright>txleft?txright - txleft:txleft - txright, + dty = tyright>tyleft?tyright - tyleft:tyleft - tyright, + rlx = dx?(lxright - lxleft)/dx:0, + rly = dx?(lyright - lyleft)/dx:0, + rtx = dx?(txright - txleft)/dx:0, + rty = dx?(tyright - tyleft)/dx:0, + slx = lxright>lxleft?1:-1, + sly = lyright>lyleft?1:-1, + stx = txright>txleft?1:-1, + sty = tyright>tyleft?1:-1, + ndlx = dlx - (dx?dx*(dlx/dx):0), + ndly = dly - (dx?dx*(dly/dx):0), + ndtx = dtx - (dx?dx*(dtx/dx):0), + ndty = dty - (dx?dx*(dty/dx):0); + int errlx = dx>>1, errly = errlx, errtx = errlx, errty = errlx; + if (xleft<0 && dx) { + lxleft-=xleft*(lxright - lxleft)/dx; + lyleft-=xleft*(lyright - lyleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + if (opacity>=1) for (int x = xleft; x<=xright; ++x) { + const tl l = light(lxleft,lyleft); + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + *ptrd = (T)(l<1?l**col:(2-l)**col+(l-1)*maxval); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } else for (int x = xleft; x<=xright; ++x) { + const tl l = light(lxleft,lyleft); + const tc *col = texture.ptr(txleft,tyleft); + cimg_forV(*this,k) { + const T val = (T)(l<1?l**col:(2-l)**col+(l-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + txleft+=rtx+((errtx-=ndtx)<0?errtx+=dx,stx:0); + tyleft+=rty+((errty-=ndty)<0?errty+=dx,sty:0); + } + } + return *this; + } + + //! Draw a 2D Pseudo-Phong-shaded textured triangle, with perspective correction. + template<typename tc, typename tl> + CImg<T>& draw_triangle(const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const CImg<tl>& light, + const int lx0, const int ly0, + const int lx1, const int ly1, + const int lx2, const int ly2, + const float opacity=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (!light) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified light texture (%u,%u,%u,%u,%p) is empty.", + pixel_type(),light.width,light.height,light.depth,light.dim,light.data); + if (is_overlapped(texture)) return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,+texture,tx0,ty0,tx1,ty1,tx2,ty2,light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + if (is_overlapped(light)) return draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,texture,tx0,ty0,tx1,ty1,tx2,ty2,+light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz-1; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; + float + ntx0 = tx0/z0, nty0 = ty0/z0, + ntx1 = tx1/z1, nty1 = ty1/z1, + ntx2 = tx2/z2, nty2 = ty2/z2, + nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nlx0,nlx1,nly0,nly1,nz0,nz1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nlx0,nlx2,nly0,nly2,nz0,nz2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nlx1,nlx2,nly1,nly2,nz1,nz2); + if (ny0>=dimy() || ny2<0) return *this; + float + ptxl = (ntx1 - ntx0)/(ny1 - ny0), + ptxr = (ntx2 - ntx0)/(ny2 - ny0), + ptxn = (ntx2 - ntx1)/(ny2 - ny1), + ptyl = (nty1 - nty0)/(ny1 - ny0), + ptyr = (nty2 - nty0)/(ny2 - ny0), + ptyn = (nty2 - nty1)/(ny2 - ny1), + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), + tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), + txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))):(ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), + tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))):(ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); + _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, + nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { + if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } + int + xleft = xleft0, xright = xright0, + lxleft = lxleft0, lxright = lxright0, + lyleft = lyleft0, lyright = lyright0; + float + zleft = zl, zright = zr, + txleft = txl, txright = txr, + tyleft = tyl, tyright = tyr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,txleft,txright,tyleft,tyright,lxleft,lxright,lyleft,lyright); + const int + dx = xright - xleft, + dlx = lxright>lxleft?lxright - lxleft:lxleft - lxright, + dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, + rlx = dx?(lxright - lxleft)/dx:0, + rly = dx?(lyright - lyleft)/dx:0, + slx = lxright>lxleft?1:-1, + sly = lyright>lyleft?1:-1, + ndlx = dlx - (dx?dx*(dlx/dx):0), + ndly = dly - (dx?dx*(dly/dx):0); + const float + pentez = (zright - zleft)/dx, + pentetx = (txright - txleft)/dx, + pentety = (tyright - tyleft)/dx; + int errlx = dx>>1, errly = errlx; + if (xleft<0 && dx) { + zleft-=xleft*(zright - zleft)/dx; + lxleft-=xleft*(lxright - lxleft)/dx; + lyleft-=xleft*(lyright - lyleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y,0,0); + if (opacity>=1) for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tl l = light(lxleft,lyleft); + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(l<1?l**col:(2-l)**col+(l-1)*maxval); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } else for (int x = xleft; x<=xright; ++x) { + const float invz = 1/zleft; + const tl l = light(lxleft,lyleft); + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + const T val = (T)(l<1?l**col:(2-l)**col+(l-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } + zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; + } + return *this; + } + + //! Draw a 2D Pseudo-Phong-shaded textured triangle, with z-buffering and perspective correction. + template<typename tc, typename tl> + CImg<T>& draw_triangle(float *const zbuffer, + const int x0, const int y0, const float z0, + const int x1, const int y1, const float z1, + const int x2, const int y2, const float z2, + const CImg<tc>& texture, + const int tx0, const int ty0, + const int tx1, const int ty1, + const int tx2, const int ty2, + const CImg<tl>& light, + const int lx0, const int ly0, + const int lx1, const int ly1, + const int lx2, const int ly2, + const float opacity=1) { + if (is_empty() || z0<=0 || z1<=0 || z2<=0) return *this; + if (!texture || texture.dim<dim) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified texture (%u,%u,%u,%u,%p) is not a valid argument.", + pixel_type(),texture.width,texture.height,texture.depth,texture.dim,texture.data); + if (!light) + throw CImgArgumentException("CImg<%s>::draw_triangle() : Specified light texture (%u,%u,%u,%u,%p) is empty.", + pixel_type(),light.width,light.height,light.depth,light.dim,light.data); + if (is_overlapped(texture)) return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2, + +texture,tx0,ty0,tx1,ty1,tx2,ty2,light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + if (is_overlapped(light)) return draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2, + texture,tx0,ty0,tx1,ty1,tx2,ty2,+light,lx0,ly0,lx1,ly1,lx2,ly2,opacity); + static const T maxval = (T)cimg::min(cimg::type<T>::max(),cimg::type<tc>::max()); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const int whz = width*height*depth, twhz = texture.width*texture.height*texture.depth, offx = dim*whz; + int nx0 = x0, ny0 = y0, nx1 = x1, ny1 = y1, nx2 = x2, ny2 = y2, + nlx0 = lx0, nly0 = ly0, nlx1 = lx1, nly1 = ly1, nlx2 = lx2, nly2 = ly2; + float + ntx0 = tx0/z0, nty0 = ty0/z0, + ntx1 = tx1/z1, nty1 = ty1/z1, + ntx2 = tx2/z2, nty2 = ty2/z2, + nz0 = 1/z0, nz1 = 1/z1, nz2 = 1/z2; + if (ny0>ny1) cimg::swap(nx0,nx1,ny0,ny1,ntx0,ntx1,nty0,nty1,nlx0,nlx1,nly0,nly1,nz0,nz1); + if (ny0>ny2) cimg::swap(nx0,nx2,ny0,ny2,ntx0,ntx2,nty0,nty2,nlx0,nlx2,nly0,nly2,nz0,nz2); + if (ny1>ny2) cimg::swap(nx1,nx2,ny1,ny2,ntx1,ntx2,nty1,nty2,nlx1,nlx2,nly1,nly2,nz1,nz2); + if (ny0>=dimy() || ny2<0) return *this; + float + ptxl = (ntx1 - ntx0)/(ny1 - ny0), + ptxr = (ntx2 - ntx0)/(ny2 - ny0), + ptxn = (ntx2 - ntx1)/(ny2 - ny1), + ptyl = (nty1 - nty0)/(ny1 - ny0), + ptyr = (nty2 - nty0)/(ny2 - ny0), + ptyn = (nty2 - nty1)/(ny2 - ny1), + pzl = (nz1 - nz0)/(ny1 - ny0), + pzr = (nz2 - nz0)/(ny2 - ny0), + pzn = (nz2 - nz1)/(ny2 - ny1), + zr = ny0>=0?nz0:(nz0 - ny0*(nz2 - nz0)/(ny2 - ny0)), + txr = ny0>=0?ntx0:(ntx0 - ny0*(ntx2 - ntx0)/(ny2 - ny0)), + tyr = ny0>=0?nty0:(nty0 - ny0*(nty2 - nty0)/(ny2 - ny0)), + zl = ny1>=0?(ny0>=0?nz0:(nz0 - ny0*(nz1 - nz0)/(ny1 - ny0))):(pzl=pzn,(nz1 - ny1*(nz2 - nz1)/(ny2 - ny1))), + txl = ny1>=0?(ny0>=0?ntx0:(ntx0 - ny0*(ntx1 - ntx0)/(ny1 - ny0))):(ptxl=ptxn,(ntx1 - ny1*(ntx2 - ntx1)/(ny2 - ny1))), + tyl = ny1>=0?(ny0>=0?nty0:(nty0 - ny0*(nty1 - nty0)/(ny1 - ny0))):(ptyl=ptyn,(nty1 - ny1*(nty2 - nty1)/(ny2 - ny1))); + _cimg_for_triangle3(*this,xleft0,lxleft0,lyleft0,xright0,lxright0,lyright0,y, + nx0,ny0,nlx0,nly0,nx1,ny1,nlx1,nly1,nx2,ny2,nlx2,nly2) { + if (y==ny1) { zl = nz1; txl = ntx1; tyl = nty1; pzl = pzn; ptxl = ptxn; ptyl = ptyn; } + int + xleft = xleft0, xright = xright0, + lxleft = lxleft0, lxright = lxright0, + lyleft = lyleft0, lyright = lyright0; + float + zleft = zl, zright = zr, + txleft = txl, txright = txr, + tyleft = tyl, tyright = tyr; + if (xright<xleft) cimg::swap(xleft,xright,zleft,zright,txleft,txright,tyleft,tyright,lxleft,lxright,lyleft,lyright); + const int + dx = xright - xleft, + dlx = lxright>lxleft?lxright - lxleft:lxleft - lxright, + dly = lyright>lyleft?lyright - lyleft:lyleft - lyright, + rlx = dx?(lxright - lxleft)/dx:0, + rly = dx?(lyright - lyleft)/dx:0, + slx = lxright>lxleft?1:-1, + sly = lyright>lyleft?1:-1, + ndlx = dlx - (dx?dx*(dlx/dx):0), + ndly = dly - (dx?dx*(dly/dx):0); + const float + pentez = (zright - zleft)/dx, + pentetx = (txright - txleft)/dx, + pentety = (tyright - tyleft)/dx; + int errlx = dx>>1, errly = errlx; + if (xleft<0 && dx) { + zleft-=xleft*(zright - zleft)/dx; + lxleft-=xleft*(lxright - lxleft)/dx; + lyleft-=xleft*(lyright - lyleft)/dx; + txleft-=xleft*(txright - txleft)/dx; + tyleft-=xleft*(tyright - tyleft)/dx; + } + if (xleft<0) xleft = 0; + if (xright>=dimx()-1) xright = dimx()-1; + T* ptrd = ptr(xleft,y); + float *ptrz = zbuffer + xleft + y*width; + if (opacity>=1) for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tl l = light(lxleft,lyleft); + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + *ptrd = (T)(l<1?l**col:(2-l)**col+(l-1)*maxval); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } else for (int x = xleft; x<=xright; ++x, ++ptrz, ++ptrd) { + if (zleft>*ptrz) { + *ptrz = zleft; + const float invz = 1/zleft; + const tl l = light(lxleft,lyleft); + const tc *col = texture.ptr((int)(txleft*invz),(int)(tyleft*invz)); + cimg_forV(*this,k) { + const T val = (T)(l<1?l**col:(2-l)**col+(l-1)*maxval); + *ptrd = (T)(nopacity*val + *ptrd*copacity); + ptrd+=whz; col+=twhz; + } + ptrd-=offx; + } + zleft+=pentez; txleft+=pentetx; tyleft+=pentety; + lxleft+=rlx+((errlx-=ndlx)<0?errlx+=dx,slx:0); + lyleft+=rly+((errly-=ndly)<0?errly+=dx,sly:0); + } + zr+=pzr; txr+=ptxr; tyr+=ptyr; zl+=pzl; txl+=ptxl; tyl+=ptyl; + } + return *this; + } + + // Draw a 2D ellipse (inner routine). + template<typename tc> + CImg<T>& _draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float ru, const float rv, + const tc *const color, const float opacity, + const unsigned int pattern) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_ellipse : Specified color is (null).", + pixel_type()); + _draw_scanline(color,opacity); + const float + nr1 = cimg::abs(r1), nr2 = cimg::abs(r2), + norm = (float)cimg_std::sqrt(ru*ru+rv*rv), + u = norm>0?ru/norm:1, + v = norm>0?rv/norm:0, + rmax = cimg::max(nr1,nr2), + l1 = (float)cimg_std::pow(rmax/(nr1>0?nr1:1e-6),2), + l2 = (float)cimg_std::pow(rmax/(nr2>0?nr2:1e-6),2), + a = l1*u*u + l2*v*v, + b = u*v*(l1-l2), + c = l1*v*v + l2*u*u; + const int + yb = (int)cimg_std::sqrt(a*rmax*rmax/(a*c-b*b)), + tymin = y0 - yb - 1, + tymax = y0 + yb + 1, + ymin = tymin<0?0:tymin, + ymax = tymax>=dimy()?height-1:tymax; + int oxmin = 0, oxmax = 0; + bool first_line = true; + for (int y = ymin; y<=ymax; ++y) { + const float + Y = y-y0 + (y<y0?0.5f:-0.5f), + delta = b*b*Y*Y-a*(c*Y*Y-rmax*rmax), + sdelta = delta>0?(float)cimg_std::sqrt(delta)/a:0.0f, + bY = b*Y/a, + fxmin = x0-0.5f-bY-sdelta, + fxmax = x0+0.5f-bY+sdelta; + const int xmin = (int)fxmin, xmax = (int)fxmax; + if (!pattern) _draw_scanline(xmin,xmax,y,color,opacity); + else { + if (first_line) { + if (y0-yb>=0) _draw_scanline(xmin,xmax,y,color,opacity); + else draw_point(xmin,y,color,opacity).draw_point(xmax,y,color,opacity); + first_line = false; + } else { + if (xmin<oxmin) _draw_scanline(xmin,oxmin-1,y,color,opacity); + else _draw_scanline(oxmin+(oxmin==xmin?0:1),xmin,y,color,opacity); + if (xmax<oxmax) _draw_scanline(xmax,oxmax-1,y,color,opacity); + else _draw_scanline(oxmax+(oxmax==xmax?0:1),xmax,y,color,opacity); + if (y==tymax) _draw_scanline(xmin+1,xmax-1,y,color,opacity); + } + } + oxmin = xmin; oxmax = xmax; + } + return *this; + } + + //! Draw a filled ellipse. + /** + \param x0 = X-coordinate of the ellipse center. + \param y0 = Y-coordinate of the ellipse center. + \param r1 = First radius of the ellipse. + \param r2 = Second radius of the ellipse. + \param ru = X-coordinate of the orientation vector related to the first radius. + \param rv = Y-coordinate of the orientation vector related to the first radius. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param opacity = opacity of the drawing. + **/ + template<typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float ru, const float rv, + const tc *const color, const float opacity=1) { + return _draw_ellipse(x0,y0,r1,r2,ru,rv,color,opacity,0U); + } + + //! Draw a filled ellipse. + template<typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float ru, const float rv, + const CImg<tc>& color, const float opacity=1) { + return draw_ellipse(x0,y0,r1,r2,ru,rv,color.data,opacity); + } + + //! Draw a filled ellipse. + /** + \param x0 = X-coordinate of the ellipse center. + \param y0 = Y-coordinate of the ellipse center. + \param tensor = Diffusion tensor describing the ellipse. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param opacity = opacity of the drawing. + **/ + template<typename t, typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const CImg<t> &tensor, + const tc *const color, const float opacity=1) { + CImgList<t> eig = tensor.get_symmetric_eigen(); + const CImg<t> &val = eig[0], &vec = eig[1]; + return draw_ellipse(x0,y0,val(0),val(1),vec(0,0),vec(0,1),color,opacity); + } + + //! Draw a filled ellipse. + template<typename t, typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const CImg<t> &tensor, + const CImg<tc>& color, const float opacity=1) { + return draw_ellipse(x0,y0,tensor,color.data,opacity); + } + + //! Draw an outlined ellipse. + /** + \param x0 = X-coordinate of the ellipse center. + \param y0 = Y-coordinate of the ellipse center. + \param r1 = First radius of the ellipse. + \param r2 = Second radius of the ellipse. + \param ru = X-coordinate of the orientation vector related to the first radius. + \param rv = Y-coordinate of the orientation vector related to the first radius. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param pattern = If zero, the ellipse is filled, else pattern is an integer whose bits describe the outline pattern. + \param opacity = opacity of the drawing. + **/ + template<typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float ru, const float rv, + const tc *const color, const float opacity, + const unsigned int pattern) { + if (pattern) _draw_ellipse(x0,y0,r1,r2,ru,rv,color,opacity,pattern); + return *this; + } + + //! Draw an outlined ellipse. + template<typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const float r1, const float r2, const float ru, const float rv, + const CImg<tc>& color, const float opacity, + const unsigned int pattern) { + return draw_ellipse(x0,y0,r1,r2,ru,rv,color.data,opacity,pattern); + } + + //! Draw an outlined ellipse. + /** + \param x0 = X-coordinate of the ellipse center. + \param y0 = Y-coordinate of the ellipse center. + \param tensor = Diffusion tensor describing the ellipse. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param pattern = If zero, the ellipse is filled, else pattern is an integer whose bits describe the outline pattern. + \param opacity = opacity of the drawing. + **/ + template<typename t, typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const CImg<t> &tensor, + const tc *const color, const float opacity, + const unsigned int pattern) { + CImgList<t> eig = tensor.get_symmetric_eigen(); + const CImg<t> &val = eig[0], &vec = eig[1]; + return draw_ellipse(x0,y0,val(0),val(1),vec(0,0),vec(0,1),color,opacity,pattern); + } + + //! Draw an outlined ellipse. + template<typename t, typename tc> + CImg<T>& draw_ellipse(const int x0, const int y0, const CImg<t> &tensor, + const CImg<tc>& color, const float opacity, + const unsigned int pattern) { + return draw_ellipse(x0,y0,tensor,color.data,opacity,pattern); + } + + //! Draw a filled circle. + /** + \param x0 X-coordinate of the circle center. + \param y0 Y-coordinate of the circle center. + \param radius Circle radius. + \param color Array of dimv() values of type \c T, defining the drawing color. + \param opacity Drawing opacity. + \note + - Circle version of the Bresenham's algorithm is used. + **/ + template<typename tc> + CImg<T>& draw_circle(const int x0, const int y0, int radius, + const tc *const color, const float opacity=1) { + if (!is_empty()) { + if (!color) + throw CImgArgumentException("CImg<%s>::draw_circle : Specified color is (null).", + pixel_type()); + _draw_scanline(color,opacity); + if (radius<0 || x0-radius>=dimx() || y0+radius<0 || y0-radius>=dimy()) return *this; + if (y0>=0 && y0<dimy()) _draw_scanline(x0-radius,x0+radius,y0,color,opacity); + for (int f=1-radius, ddFx=0, ddFy=-(radius<<1), x=0, y=radius; x<y; ) { + if (f>=0) { + const int x1 = x0-x, x2 = x0+x, y1 = y0-y, y2 = y0+y; + if (y1>=0 && y1<dimy()) _draw_scanline(x1,x2,y1,color,opacity); + if (y2>=0 && y2<dimy()) _draw_scanline(x1,x2,y2,color,opacity); + f+=(ddFy+=2); --y; + } + const bool no_diag = y!=(x++); + ++(f+=(ddFx+=2)); + const int x1 = x0-y, x2 = x0+y, y1 = y0-x, y2 = y0+x; + if (no_diag) { + if (y1>=0 && y1<dimy()) _draw_scanline(x1,x2,y1,color,opacity); + if (y2>=0 && y2<dimy()) _draw_scanline(x1,x2,y2,color,opacity); + } + } + } + return *this; + } + + //! Draw a filled circle. + template<typename tc> + CImg<T>& draw_circle(const int x0, const int y0, int radius, + const CImg<tc>& color, const float opacity=1) { + return draw_circle(x0,y0,radius,color.data,opacity); + } + + //! Draw an outlined circle. + /** + \param x0 X-coordinate of the circle center. + \param y0 Y-coordinate of the circle center. + \param radius Circle radius. + \param color Array of dimv() values of type \c T, defining the drawing color. + \param opacity Drawing opacity. + **/ + template<typename tc> + CImg<T>& draw_circle(const int x0, const int y0, int radius, + const tc *const color, const float opacity, + const unsigned int) { + if (!is_empty()) { + if (!color) + throw CImgArgumentException("CImg<%s>::draw_circle : Specified color is (null).", + pixel_type()); + if (radius<0 || x0-radius>=dimx() || y0+radius<0 || y0-radius>=dimy()) return *this; + if (!radius) return draw_point(x0,y0,color,opacity); + draw_point(x0-radius,y0,color,opacity).draw_point(x0+radius,y0,color,opacity). + draw_point(x0,y0-radius,color,opacity).draw_point(x0,y0+radius,color,opacity); + if (radius==1) return *this; + for (int f=1-radius, ddFx=0, ddFy=-(radius<<1), x=0, y=radius; x<y; ) { + if (f>=0) { f+=(ddFy+=2); --y; } + ++x; ++(f+=(ddFx+=2)); + if (x!=y+1) { + const int x1 = x0-y, x2 = x0+y, y1 = y0-x, y2 = y0+x, x3 = x0-x, x4 = x0+x, y3 = y0-y, y4 = y0+y; + draw_point(x1,y1,color,opacity).draw_point(x1,y2,color,opacity). + draw_point(x2,y1,color,opacity).draw_point(x2,y2,color,opacity); + if (x!=y) + draw_point(x3,y3,color,opacity).draw_point(x4,y4,color,opacity). + draw_point(x4,y3,color,opacity).draw_point(x3,y4,color,opacity); + } + } + } + return *this; + } + + //! Draw an outlined circle. + template<typename tc> + CImg<T>& draw_circle(const int x0, const int y0, int radius, const CImg<tc>& color, + const float opacity, + const unsigned int pattern) { + return draw_circle(x0,y0,radius,color.data,opacity,pattern); + } + + // Draw a text (internal). + template<typename tc1, typename tc2, typename t> + CImg<T>& _draw_text(const int x0, const int y0, const char *const text, + const tc1 *const foreground_color, const tc2 *const background_color, + const float opacity, const CImgList<t>& font) { + if (!text) return *this; + if (!font) + throw CImgArgumentException("CImg<%s>::draw_text() : Specified font (%u,%p) is empty.", + pixel_type(),font.size,font.data); + const int text_length = cimg::strlen(text); + + if (is_empty()) { + // If needed, pre-compute necessary size of the image + int x = 0, y = 0, w = 0; + unsigned char c = 0; + for (int i = 0; i<text_length; ++i) { + c = text[i]; + switch (c) { + case '\n' : y+=font[' '].height; if (x>w) w = x; x = 0; break; + case '\t' : x+=4*font[' '].width; break; + default : if (c<font.size) x+=font[c].width; + } + } + if (x!=0 || c=='\n') { + if (x>w) w=x; + y+=font[' '].height; + } + assign(x0+w,y0+y,1,font[' '].dim,0); + if (background_color) cimg_forV(*this,k) get_shared_channel(k).fill((T)background_color[k]); + } + + int x = x0, y = y0; + CImg<T> letter; + for (int i = 0; i<text_length; ++i) { + const unsigned char c = text[i]; + switch (c) { + case '\n' : y+=font[' '].height; x = x0; break; + case '\t' : x+=4*font[' '].width; break; + default : if (c<font.size) { + letter = font[c]; + const CImg<T>& mask = (c+256)<(int)font.size?font[c+256]:font[c]; + if (foreground_color) for (unsigned int p = 0; p<letter.width*letter.height; ++p) + if (mask(p)) cimg_forV(*this,k) letter(p,0,0,k) = (T)(letter(p,0,0,k)*foreground_color[k]); + if (background_color) for (unsigned int p = 0; p<letter.width*letter.height; ++p) + if (!mask(p)) cimg_forV(*this,k) letter(p,0,0,k) = (T)background_color[k]; + if (!background_color && font.size>=512) draw_image(x,y,letter,mask,opacity,(T)1); + else draw_image(x,y,letter,opacity); + x+=letter.width; + } + } + } + return *this; + } + + //! Draw a text. + /** + \param x0 X-coordinate of the text in the instance image. + \param y0 Y-coordinate of the text in the instance image. + \param foreground_color Array of dimv() values of type \c T, defining the foreground color (0 means 'transparent'). + \param background_color Array of dimv() values of type \c T, defining the background color (0 means 'transparent'). + \param font Font used for drawing text. + \param opacity Drawing opacity. + \param format 'printf'-style format string, followed by arguments. + \note Clipping is supported. + **/ + template<typename tc1, typename tc2, typename t> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const tc1 *const foreground_color, const tc2 *const background_color, + const float opacity, const CImgList<t>& font, ...) { + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font); + cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,foreground_color,background_color,opacity,font); + } + + //! Draw a text. + template<typename tc1, typename tc2, typename t> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const CImg<tc1>& foreground_color, const CImg<tc2>& background_color, + const float opacity, const CImgList<t>& font, ...) { + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font); + cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,foreground_color,background_color,opacity,font); + } + + //! Draw a text. + template<typename tc, typename t> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const tc *const foreground_color, const int background_color, + const float opacity, const CImgList<t>& font, ...) { + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font); + cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,foreground_color,(tc*)background_color,opacity,font); + } + + //! Draw a text. + template<typename tc, typename t> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const int foreground_color, const tc *const background_color, + const float opacity, const CImgList<t>& font, ...) { + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font); + cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,(tc*)foreground_color,background_color,opacity,font); + } + + //! Draw a text. + /** + \param x0 X-coordinate of the text in the instance image. + \param y0 Y-coordinate of the text in the instance image. + \param foreground_color Array of dimv() values of type \c T, defining the foreground color (0 means 'transparent'). + \param background_color Array of dimv() values of type \c T, defining the background color (0 means 'transparent'). + \param font_size Size of the font (nearest match). + \param opacity Drawing opacity. + \param format 'printf'-style format string, followed by arguments. + \note Clipping is supported. + **/ + template<typename tc1, typename tc2> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const tc1 *const foreground_color, const tc2 *const background_color, + const float opacity=1, const unsigned int font_size=11, ...) { + static CImgList<T> font; + static unsigned int fsize = 0; + if (fsize!=font_size) { font = CImgList<T>::font(font_size); fsize = font_size; } + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font_size); cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,foreground_color,background_color,opacity,font); + } + + //! Draw a text. + template<typename tc1, typename tc2> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const CImg<tc1>& foreground_color, const CImg<tc2>& background_color, + const float opacity=1, const unsigned int font_size=11, ...) { + static CImgList<T> font; + static unsigned int fsize = 0; + if (fsize!=font_size) { font = CImgList<T>::font(font_size); fsize = font_size; } + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font_size); cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,foreground_color.data,background_color.data,opacity,font); + } + + //! Draw a text. + template<typename tc> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const tc *const foreground_color, const int background_color=0, + const float opacity=1, const unsigned int font_size=11, ...) { + static CImgList<T> font; + static unsigned int fsize = 0; + if (fsize!=font_size) { font = CImgList<T>::font(font_size); fsize = font_size; } + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font_size); cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,foreground_color,(const tc*)background_color,opacity,font); + } + + //! Draw a text. + template<typename tc> + CImg<T>& draw_text(const int x0, const int y0, const char *const text, + const int foreground_color, const tc *const background_color, + const float opacity=1, const unsigned int font_size=11, ...) { + static CImgList<T> font; + static unsigned int fsize = 0; + if (fsize!=font_size) { font = CImgList<T>::font(font_size); fsize = font_size; } + char tmp[2048] = { 0 }; cimg_std::va_list ap; va_start(ap,font_size); cimg_std::vsprintf(tmp,text,ap); va_end(ap); + return _draw_text(x0,y0,tmp,(tc*)foreground_color,background_color,opacity,font); + } + + //! Draw a vector field in the instance image, using a colormap. + /** + \param flow Image of 2d vectors used as input data. + \param color Image of dimv()-D vectors corresponding to the color of each arrow. + \param sampling Length (in pixels) between each arrow. + \param factor Length factor of each arrow (if <0, computed as a percentage of the maximum length). + \param quiver_type Type of plot. Can be 0 (arrows) or 1 (segments). + \param opacity Opacity of the drawing. + \param pattern Used pattern to draw lines. + \note Clipping is supported. + **/ + template<typename t1, typename t2> + CImg<T>& draw_quiver(const CImg<t1>& flow, + const t2 *const color, const float opacity=1, + const unsigned int sampling=25, const float factor=-20, + const int quiver_type=0, const unsigned int pattern=~0U) { + return draw_quiver(flow,CImg<t2>(color,dim,1,1,1,true),opacity,sampling,factor,quiver_type,pattern); + } + + //! Draw a vector field in the instance image, using a colormap. + /** + \param flow Image of 2d vectors used as input data. + \param color Image of dimv()-D vectors corresponding to the color of each arrow. + \param sampling Length (in pixels) between each arrow. + \param factor Length factor of each arrow (if <0, computed as a percentage of the maximum length). + \param quiver_type Type of plot. Can be 0 (arrows) or 1 (segments). + \param opacity Opacity of the drawing. + \param pattern Used pattern to draw lines. + \note Clipping is supported. + **/ + template<typename t1, typename t2> + CImg<T>& draw_quiver(const CImg<t1>& flow, + const CImg<t2>& color, const float opacity=1, + const unsigned int sampling=25, const float factor=-20, + const int quiver_type=0, const unsigned int pattern=~0U) { + if (!is_empty()) { + if (!flow || flow.dim!=2) + throw CImgArgumentException("CImg<%s>::draw_quiver() : Specified flow (%u,%u,%u,%u,%p) has wrong dimensions.", + pixel_type(),flow.width,flow.height,flow.depth,flow.dim,flow.data); + if (sampling<=0) + throw CImgArgumentException("CImg<%s>::draw_quiver() : Incorrect sampling value = %g", + pixel_type(),sampling); + const bool colorfield = (color.width==flow.width && color.height==flow.height && color.depth==1 && color.dim==dim); + if (is_overlapped(flow)) return draw_quiver(+flow,color,opacity,sampling,factor,quiver_type,pattern); + + float vmax,fact; + if (factor<=0) { + float m, M = (float)flow.get_pointwise_norm(2).maxmin(m); + vmax = (float)cimg::max(cimg::abs(m),cimg::abs(M)); + fact = -factor; + } else { fact = factor; vmax = 1; } + + for (unsigned int y=sampling/2; y<height; y+=sampling) + for (unsigned int x=sampling/2; x<width; x+=sampling) { + const unsigned int X = x*flow.width/width, Y = y*flow.height/height; + float u = (float)flow(X,Y,0,0)*fact/vmax, v = (float)flow(X,Y,0,1)*fact/vmax; + if (!quiver_type) { + const int xx = x+(int)u, yy = y+(int)v; + if (colorfield) draw_arrow(x,y,xx,yy,color.get_vector_at(X,Y).data,opacity,45,sampling/5.0f,pattern); + else draw_arrow(x,y,xx,yy,color,opacity,45,sampling/5.0f,pattern); + } else { + if (colorfield) draw_line((int)(x-0.5*u),(int)(y-0.5*v),(int)(x+0.5*u),(int)(y+0.5*v),color.get_vector_at(X,Y),opacity,pattern); + else draw_line((int)(x-0.5*u),(int)(y-0.5*v),(int)(x+0.5*u),(int)(y+0.5*v),color,opacity,pattern); + } + } + } + return *this; + } + + //! Draw a 1D graph on the instance image. + /** + \param data Image containing the graph values I = f(x). + \param color Array of dimv() values of type \c T, defining the drawing color. + \param gtype Define the type of the plot : + - 0 = Plot using points clouds. + - 1 = Plot using linear interpolation (segments). + - 2 = Plot with bars. + - 3 = Plot using cubic interpolation (3-polynomials). + - 4 = Plot using cross clouds. + \param ymin Lower bound of the y-range. + \param ymax Upper bound of the y-range. + \param opacity Drawing opacity. + \param pattern Drawing pattern. + \note + - if \c ymin==ymax==0, the y-range is computed automatically from the input sample. + **/ + template<typename t, typename tc> + CImg<T>& draw_graph(const CImg<t>& data, + const tc *const color, const float opacity=1, + const unsigned int plot_type=1, const unsigned int vertex_type=1, + const double ymin=0, const double ymax=0, + const unsigned int pattern=~0U) { + if (is_empty() || height<=1) return *this;; + const unsigned long siz = data.size(); + if (!color) + throw CImgArgumentException("CImg<%s>::draw_graph() : Specified color is (null)", + pixel_type()); + tc *color1 = 0, *color2 = 0; + if (plot_type==3) { + color1 = new tc[dim]; color2 = new tc[dim]; + cimg_forV(*this,k) { color1[k] = (tc)(color[k]*0.6f); color2[k] = (tc)(color[k]*0.3f); } + } + + double m = ymin, M = ymax; + if (ymin==ymax) m = (double)data.maxmin(M); + if (m==M) { --m; ++M; } + const float ca = (float)(M-m)/(height-1); + bool init_hatch = true; + + // Draw graph edges + switch (plot_type%4) { + case 1 : { // Segments + int oX = 0, oY = (int)((data[0]-m)/ca); + for (unsigned long off = 1; off<siz; ++off) { + const int + X = (int)(off*width/siz), + Y = (int)((data[off]-m)/ca); + draw_line(oX,oY,X,Y,color,opacity,pattern,init_hatch); + oX = X; oY = Y; + init_hatch = false; + } + } break; + case 2 : { // Spline + const CImg<t> ndata = data.get_shared_points(0,siz-1); + int oY = (int)((data[0]-m)/ca); + cimg_forX(*this,x) { + const int Y = (int)((ndata._cubic_atX((float)x*ndata.width/width)-m)/ca); + if (x>0) draw_line(x,oY,x+1,Y,color,opacity,pattern,init_hatch); + init_hatch = false; + oY = Y; + } + } break; + case 3 : { // Bars + const int Y0 = (int)(-m/ca); + int oX = 0; + cimg_foroff(data,off) { + const int + X = (off+1)*width/siz-1, + Y = (int)((data[off]-m)/ca); + draw_rectangle(oX,Y0,X,Y,color1,opacity). + draw_line(oX,Y,oX,Y0,color2,opacity). + draw_line(oX,Y0,X,Y0,Y<=Y0?color2:color,opacity). + draw_line(X,Y,X,Y0,color,opacity). + draw_line(oX,Y,X,Y,Y<=Y0?color:color2,opacity); + oX = X+1; + } + } break; + default : break; // No edges + } + + // Draw graph points + switch (vertex_type%8) { + case 1 : { // Point + cimg_foroff(data,off) { + const int X = off*width/siz, Y = (int)((data[off]-m)/ca); + draw_point(X,Y,color,opacity); + } + } break; + case 2 : { // Standard Cross + cimg_foroff(data,off) { + const int X = off*width/siz, Y = (int)((data[off]-m)/ca); + draw_line(X-3,Y,X+3,Y,color,opacity).draw_line(X,Y-3,X,Y+3,color,opacity); + } + } break; + case 3 : { // Rotated Cross + cimg_foroff(data,off) { + const int X = off*width/siz, Y = (int)((data[off]-m)/ca); + draw_line(X-3,Y-3,X+3,Y+3,color,opacity).draw_line(X-3,Y+3,X+3,Y-3,color,opacity); + } + } break; + case 4 : { // Filled Circle + cimg_foroff(data,off) { + const int X = off*width/siz, Y = (int)((data[off]-m)/ca); + draw_circle(X,Y,3,color,opacity); + } + } break; + case 5 : { // Outlined circle + cimg_foroff(data,off) { + const int X = off*width/siz, Y = (int)((data[off]-m)/ca); + draw_circle(X,Y,3,color,opacity,0U); + } + } break; + case 6 : { // Square + cimg_foroff(data,off) { + const int X = off*width/siz, Y = (int)((data[off]-m)/ca); + draw_rectangle(X-3,Y-3,X+3,Y+3,color,opacity,~0U); + } + } break; + case 7 : { // Diamond + cimg_foroff(data,off) { + const int X = off*width/siz, Y = (int)((data[off]-m)/ca); + draw_line(X,Y-4,X+4,Y,color,opacity). + draw_line(X+4,Y,X,Y+4,color,opacity). + draw_line(X,Y+4,X-4,Y,color,opacity). + draw_line(X-4,Y,X,Y-4,color,opacity); + } + } break; + default : break; // No vertices + } + + if (color1) delete[] color1; if (color2) delete[] color2; + return *this; + } + + //! Draw a 1D graph on the instance image. + template<typename t, typename tc> + CImg<T>& draw_graph(const CImg<t>& data, + const CImg<tc>& color, const float opacity=1, + const unsigned int plot_type=1, const unsigned int vertex_type=1, + const double ymin=0, const double ymax=0, + const unsigned int pattern=~0U) { + return draw_graph(data,color.data,opacity,plot_type,vertex_type,ymin,ymax,pattern); + } + + //! Draw a labeled horizontal axis on the instance image. + /** + \param xvalues Lower bound of the x-range. + \param y Y-coordinate of the horizontal axis in the instance image. + \param color Array of dimv() values of type \c T, defining the drawing color. + \param opacity Drawing opacity. + \param pattern Drawing pattern. + \param opacity_out Drawing opacity of 'outside' axes. + \note if \c precision==0, precision of the labels is automatically computed. + **/ + template<typename t, typename tc> + CImg<T>& draw_axis(const CImg<t>& xvalues, const int y, + const tc *const color, const float opacity=1, + const unsigned int pattern=~0U) { + if (!is_empty()) { + int siz = (int)xvalues.size()-1; + if (siz<=0) draw_line(0,y,width-1,y,color,opacity,pattern); + else { + if (xvalues[0]<xvalues[siz]) draw_arrow(0,y,width-1,y,color,opacity,30,5,pattern); + else draw_arrow(width-1,y,0,y,color,opacity,30,5,pattern); + const int yt = (y+14)<dimy()?(y+3):(y-14); + char txt[32]; + cimg_foroff(xvalues,x) { + cimg_std::sprintf(txt,"%g",(double)xvalues(x)); + const int xi = (int)(x*(width-1)/siz), xt = xi-(int)cimg::strlen(txt)*3; + draw_point(xi,y-1,color,opacity).draw_point(xi,y+1,color,opacity). + draw_text(xt<0?0:xt,yt,txt,color,(tc*)0,opacity,11); + } + } + } + return *this; + } + + //! Draw a labeled horizontal axis on the instance image. + template<typename t, typename tc> + CImg<T>& draw_axis(const CImg<t>& xvalues, const int y, + const CImg<tc>& color, const float opacity=1, + const unsigned int pattern=~0U) { + return draw_axis(xvalues,y,color.data,opacity,pattern); + } + + //! Draw a labeled vertical axis on the instance image. + template<typename t, typename tc> + CImg<T>& draw_axis(const int x, const CImg<t>& yvalues, + const tc *const color, const float opacity=1, + const unsigned int pattern=~0U) { + if (!is_empty()) { + int siz = (int)yvalues.size()-1; + if (siz<=0) draw_line(x,0,x,height-1,color,opacity,pattern); + else { + if (yvalues[0]<yvalues[siz]) draw_arrow(x,0,x,height-1,color,opacity,30,5,pattern); + else draw_arrow(x,height-1,x,0,color,opacity,30,5,pattern); + char txt[32]; + cimg_foroff(yvalues,y) { + cimg_std::sprintf(txt,"%g",(double)yvalues(y)); + const int + yi = (int)(y*(height-1)/siz), + tmp = yi-5, + nyi = tmp<0?0:(tmp>=dimy()-11?dimy()-11:tmp), + xt = x-(int)cimg::strlen(txt)*7; + draw_point(x-1,yi,color,opacity).draw_point(x+1,yi,color,opacity); + if (xt>0) draw_text(xt,nyi,txt,color,(tc*)0,opacity,11); + else draw_text(x+3,nyi,txt,color,(tc*)0,opacity,11); + } + } + } + return *this; + } + + //! Draw a labeled vertical axis on the instance image. + template<typename t, typename tc> + CImg<T>& draw_axis(const int x, const CImg<t>& yvalues, + const CImg<tc>& color, const float opacity=1, + const unsigned int pattern=~0U) { + return draw_axis(x,yvalues,color.data,opacity,pattern); + } + + //! Draw a labeled horizontal+vertical axis on the instance image. + template<typename tx, typename ty, typename tc> + CImg<T>& draw_axis(const CImg<tx>& xvalues, const CImg<ty>& yvalues, + const tc *const color, const float opacity=1, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + if (!is_empty()) { + const CImg<tx> nxvalues(xvalues.data,xvalues.size(),1,1,1,true); + const int sizx = (int)xvalues.size()-1, wm1 = (int)(width)-1; + if (sizx>0) { + float ox = (float)nxvalues[0]; + for (unsigned int x = 1; x<width; ++x) { + const float nx = (float)nxvalues._linear_atX((float)x*sizx/wm1); + if (nx*ox<=0) { draw_axis(nx==0?x:x-1,yvalues,color,opacity,patterny); break; } + ox = nx; + } + } + const CImg<ty> nyvalues(yvalues.data,yvalues.size(),1,1,1,true); + const int sizy = (int)yvalues.size()-1, hm1 = (int)(height)-1; + if (sizy>0) { + float oy = (float)nyvalues[0]; + for (unsigned int y = 1; y<height; ++y) { + const float ny = (float)nyvalues._linear_atX((float)y*sizy/hm1); + if (ny*oy<=0) { draw_axis(xvalues,ny==0?y:y-1,color,opacity,patternx); break; } + oy = ny; + } + } + } + return *this; + } + + //! Draw a labeled horizontal+vertical axis on the instance image. + template<typename tx, typename ty, typename tc> + CImg<T>& draw_axis(const CImg<tx>& xvalues, const CImg<ty>& yvalues, + const CImg<tc>& color, const float opacity=1, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + return draw_axis(xvalues,yvalues,color.data,opacity,patternx,patterny); + } + + //! Draw a labeled horizontal+vertical axis on the instance image. + template<typename tc> + CImg<T>& draw_axis(const float x0, const float x1, const float y0, const float y1, + const tc *const color, const float opacity=1, + const int subdivisionx=-60, const int subdivisiony=-60, + const float precisionx=0, const float precisiony=0, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + if (!is_empty()) { + const float + dx = cimg::abs(x1-x0), dy = cimg::abs(y1-y0), + px = (precisionx==0)?(float)cimg_std::pow(10.0,(int)cimg_std::log10(dx)-2.0):precisionx, + py = (precisiony==0)?(float)cimg_std::pow(10.0,(int)cimg_std::log10(dy)-2.0):precisiony; + draw_axis(CImg<floatT>::sequence(subdivisionx>0?subdivisionx:1-dimx()/subdivisionx,x0,x1).round(px), + CImg<floatT>::sequence(subdivisiony>0?subdivisiony:1-dimy()/subdivisiony,y0,y1).round(py), + color,opacity,patternx,patterny); + } + return *this; + } + + //! Draw a labeled horizontal+vertical axis on the instance image. + template<typename tc> + CImg<T>& draw_axis(const float x0, const float x1, const float y0, const float y1, + const CImg<tc>& color, const float opacity=1, + const int subdivisionx=-60, const int subdivisiony=-60, + const float precisionx=0, const float precisiony=0, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + return draw_axis(x0,x1,y0,y1,color.data,opacity,subdivisionx,subdivisiony,precisionx,precisiony,patternx,patterny); + } + + //! Draw grid. + template<typename tx, typename ty, typename tc> + CImg<T>& draw_grid(const CImg<tx>& xvalues, const CImg<ty>& yvalues, + const tc *const color, const float opacity=1, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + if (!is_empty()) { + if (xvalues) cimg_foroff(xvalues,x) { + const int xi = (int)xvalues[x]; + if (xi>=0 && xi<dimx()) draw_line(xi,0,xi,height-1,color,opacity,patternx); + } + if (yvalues) cimg_foroff(yvalues,y) { + const int yi = (int)yvalues[y]; + if (yi>=0 && yi<dimy()) draw_line(0,yi,width-1,yi,color,opacity,patterny); + } + } + return *this; + } + + //! Draw grid. + template<typename tx, typename ty, typename tc> + CImg<T>& draw_grid(const CImg<tx>& xvalues, const CImg<ty>& yvalues, + const CImg<tc>& color, const float opacity=1, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + return draw_grid(xvalues,yvalues,color.data,opacity,patternx,patterny); + } + + //! Draw grid. + template<typename tc> + CImg<T>& draw_grid(const float deltax, const float deltay, + const float offsetx, const float offsety, + const bool invertx, const bool inverty, + const tc *const color, const float opacity=1, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + CImg<uintT> seqx, seqy; + if (deltax!=0) { + const float dx = deltax>0?deltax:width*-deltax/100; + const unsigned int nx = (unsigned int)(width/dx); + seqx = CImg<uintT>::sequence(1+nx,0,(unsigned int)(dx*nx)); + if (offsetx) cimg_foroff(seqx,x) seqx(x) = (unsigned int)cimg::mod(seqx(x)+offsetx,(float)width); + if (invertx) cimg_foroff(seqx,x) seqx(x) = width-1-seqx(x); + } + + if (deltay!=0) { + const float dy = deltay>0?deltay:height*-deltay/100; + const unsigned int ny = (unsigned int)(height/dy); + seqy = CImg<uintT>::sequence(1+ny,0,(unsigned int)(dy*ny)); + if (offsety) cimg_foroff(seqy,y) seqy(y) = (unsigned int)cimg::mod(seqy(y)+offsety,(float)height); + if (inverty) cimg_foroff(seqy,y) seqy(y) = height-1-seqy(y); + } + return draw_grid(seqx,seqy,color,opacity,patternx,patterny); + } + + //! Draw grid. + template<typename tc> + CImg<T>& draw_grid(const float deltax, const float deltay, + const float offsetx, const float offsety, + const bool invertx, const bool inverty, + const CImg<tc>& color, const float opacity=1, + const unsigned int patternx=~0U, const unsigned int patterny=~0U) { + return draw_grid(deltax,deltay,offsetx,offsety,invertx,inverty,color.data,opacity,patternx,patterny); + } + + //! Draw a 3D filled region starting from a point (\c x,\c y,\ z) in the instance image. + /** + \param x X-coordinate of the starting point of the region to fill. + \param y Y-coordinate of the starting point of the region to fill. + \param z Z-coordinate of the starting point of the region to fill. + \param color An array of dimv() values of type \c T, defining the drawing color. + \param region Image that will contain the mask of the filled region mask, as an output. + \param sigma Tolerance concerning neighborhood values. + \param opacity Opacity of the drawing. + \param high_connexity Tells if 8-connexity must be used (only for 2D images). + \return \p region is initialized with the binary mask of the filled region. + **/ + template<typename tc, typename t> + CImg<T>& draw_fill(const int x, const int y, const int z, + const tc *const color, const float opacity, + CImg<t>& region, const float sigma=0, + const bool high_connexity=false) { + +#define _cimg_draw_fill_test(x,y,z,res) if (region(x,y,z)) res = false; else { \ + res = true; \ + const T *reference_col = reference_color.ptr() + dim, *ptrs = ptr(x,y,z) + siz; \ + for (unsigned int i = dim; res && i; --i) { ptrs-=whz; res = (cimg::abs(*ptrs - *(--reference_col))<=sigma); } \ + region(x,y,z) = (t)(res?1:noregion); \ +} + +#define _cimg_draw_fill_set(x,y,z) { \ + const tc *col = color; \ + T *ptrd = ptr(x,y,z); \ + if (opacity>=1) cimg_forV(*this,k) { *ptrd = (T)*(col++); ptrd+=whz; } \ + else cimg_forV(*this,k) { *ptrd = (T)(*(col++)*nopacity + *ptrd*copacity); ptrd+=whz; } \ +} + +#define _cimg_draw_fill_insert(x,y,z) { \ + if (posr1>=remaining.height) remaining.resize(3,remaining.height<<1,1,1,0); \ + unsigned int *ptrr = remaining.ptr(0,posr1); \ + *(ptrr++) = x; *(ptrr++) = y; *(ptrr++) = z; ++posr1; \ +} + +#define _cimg_draw_fill_test_neighbor(x,y,z,cond) if (cond) { \ + const unsigned int tx = x, ty = y, tz = z; \ + _cimg_draw_fill_test(tx,ty,tz,res); if (res) _cimg_draw_fill_insert(tx,ty,tz); \ +} + + if (!color) + throw CImgArgumentException("CImg<%s>::draw_fill() : Specified color is (null).", + pixel_type()); + region.assign(width,height,depth,1,(t)0); + if (x>=0 && x<dimx() && y>=0 && y<dimy() && z>=0 && z<dimz()) { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const unsigned int whz = width*height*depth, siz = dim*whz, W1 = width-1, H1 = height-1, D1 = depth-1; + const bool threed = depth>1; + const CImg<T> reference_color = get_vector_at(x,y,z); + CImg<uintT> remaining(3,512,1,1,0); + remaining(0,0) = x; remaining(1,0) = y; remaining(2,0) = z; + unsigned int posr0 = 0, posr1 = 1; + region(x,y,z) = (t)1; + const t noregion = ((t)1==(t)2)?(t)0:(t)(-1); + if (threed) do { // 3D version of the filling algorithm + const unsigned int *pcurr = remaining.ptr(0,posr0++), xc = *(pcurr++), yc = *(pcurr++), zc = *(pcurr++); + if (posr0>=512) { remaining.translate(0,posr0); posr1-=posr0; posr0 = 0; } + bool cont, res; + unsigned int nxc = xc; + do { // X-backward + _cimg_draw_fill_set(nxc,yc,zc); + _cimg_draw_fill_test_neighbor(nxc,yc-1,zc,yc!=0); + _cimg_draw_fill_test_neighbor(nxc,yc+1,zc,yc<H1); + _cimg_draw_fill_test_neighbor(nxc,yc,zc-1,zc!=0); + _cimg_draw_fill_test_neighbor(nxc,yc,zc+1,zc<D1); + if (nxc) { --nxc; _cimg_draw_fill_test(nxc,yc,zc,cont); } else cont = false; + } while (cont); + nxc = xc; + do { // X-forward + if ((++nxc)<=W1) { _cimg_draw_fill_test(nxc,yc,zc,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(nxc,yc,zc); + _cimg_draw_fill_test_neighbor(nxc,yc-1,zc,yc!=0); + _cimg_draw_fill_test_neighbor(nxc,yc+1,zc,yc<H1); + _cimg_draw_fill_test_neighbor(nxc,yc,zc-1,zc!=0); + _cimg_draw_fill_test_neighbor(nxc,yc,zc+1,zc<D1); + } + } while (cont); + unsigned int nyc = yc; + do { // Y-backward + if (nyc) { --nyc; _cimg_draw_fill_test(xc,nyc,zc,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(xc,nyc,zc); + _cimg_draw_fill_test_neighbor(xc-1,nyc,zc,xc!=0); + _cimg_draw_fill_test_neighbor(xc+1,nyc,zc,xc<W1); + _cimg_draw_fill_test_neighbor(xc,nyc,zc-1,zc!=0); + _cimg_draw_fill_test_neighbor(xc,nyc,zc+1,zc<D1); + } + } while (cont); + nyc = yc; + do { // Y-forward + if ((++nyc)<=H1) { _cimg_draw_fill_test(xc,nyc,zc,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(xc,nyc,zc); + _cimg_draw_fill_test_neighbor(xc-1,nyc,zc,xc!=0); + _cimg_draw_fill_test_neighbor(xc+1,nyc,zc,xc<W1); + _cimg_draw_fill_test_neighbor(xc,nyc,zc-1,zc!=0); + _cimg_draw_fill_test_neighbor(xc,nyc,zc+1,zc<D1); + } + } while (cont); + unsigned int nzc = zc; + do { // Z-backward + if (nzc) { --nzc; _cimg_draw_fill_test(xc,yc,nzc,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(xc,yc,nzc); + _cimg_draw_fill_test_neighbor(xc-1,yc,nzc,xc!=0); + _cimg_draw_fill_test_neighbor(xc+1,yc,nzc,xc<W1); + _cimg_draw_fill_test_neighbor(xc,yc-1,nzc,yc!=0); + _cimg_draw_fill_test_neighbor(xc,yc+1,nzc,yc<H1); + } + } while (cont); + nzc = zc; + do { // Z-forward + if ((++nzc)<=D1) { _cimg_draw_fill_test(xc,yc,nzc,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(xc,nyc,zc); + _cimg_draw_fill_test_neighbor(xc-1,yc,nzc,xc!=0); + _cimg_draw_fill_test_neighbor(xc+1,yc,nzc,xc<W1); + _cimg_draw_fill_test_neighbor(xc,yc-1,nzc,yc!=0); + _cimg_draw_fill_test_neighbor(xc,yc+1,nzc,yc<H1); + } + } while (cont); + } while (posr1>posr0); + else do { // 2D version of the filling algorithm + const unsigned int *pcurr = remaining.ptr(0,posr0++), xc = *(pcurr++), yc = *(pcurr++); + if (posr0>=512) { remaining.translate(0,posr0); posr1-=posr0; posr0 = 0; } + bool cont, res; + unsigned int nxc = xc; + do { // X-backward + _cimg_draw_fill_set(nxc,yc,0); + _cimg_draw_fill_test_neighbor(nxc,yc-1,0,yc!=0); + _cimg_draw_fill_test_neighbor(nxc,yc+1,0,yc<H1); + if (high_connexity) { + _cimg_draw_fill_test_neighbor(nxc-1,yc-1,0,(nxc!=0 && yc!=0)); + _cimg_draw_fill_test_neighbor(nxc+1,yc-1,0,(nxc<W1 && yc!=0)); + _cimg_draw_fill_test_neighbor(nxc-1,yc+1,0,(nxc!=0 && yc<H1)); + _cimg_draw_fill_test_neighbor(nxc+1,yc+1,0,(nxc<W1 && yc<H1)); + } + if (nxc) { --nxc; _cimg_draw_fill_test(nxc,yc,0,cont); } else cont = false; + } while (cont); + nxc = xc; + do { // X-forward + if ((++nxc)<=W1) { _cimg_draw_fill_test(nxc,yc,0,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(nxc,yc,0); + _cimg_draw_fill_test_neighbor(nxc,yc-1,0,yc!=0); + _cimg_draw_fill_test_neighbor(nxc,yc+1,0,yc<H1); + if (high_connexity) { + _cimg_draw_fill_test_neighbor(nxc-1,yc-1,0,(nxc!=0 && yc!=0)); + _cimg_draw_fill_test_neighbor(nxc+1,yc-1,0,(nxc<W1 && yc!=0)); + _cimg_draw_fill_test_neighbor(nxc-1,yc+1,0,(nxc!=0 && yc<H1)); + _cimg_draw_fill_test_neighbor(nxc+1,yc+1,0,(nxc<W1 && yc<H1)); + } + } + } while (cont); + unsigned int nyc = yc; + do { // Y-backward + if (nyc) { --nyc; _cimg_draw_fill_test(xc,nyc,0,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(xc,nyc,0); + _cimg_draw_fill_test_neighbor(xc-1,nyc,0,xc!=0); + _cimg_draw_fill_test_neighbor(xc+1,nyc,0,xc<W1); + if (high_connexity) { + _cimg_draw_fill_test_neighbor(xc-1,nyc-1,0,(xc!=0 && nyc!=0)); + _cimg_draw_fill_test_neighbor(xc+1,nyc-1,0,(xc<W1 && nyc!=0)); + _cimg_draw_fill_test_neighbor(xc-1,nyc+1,0,(xc!=0 && nyc<H1)); + _cimg_draw_fill_test_neighbor(xc+1,nyc+1,0,(xc<W1 && nyc<H1)); + } + } + } while (cont); + nyc = yc; + do { // Y-forward + if ((++nyc)<=H1) { _cimg_draw_fill_test(xc,nyc,0,cont); } else cont = false; + if (cont) { + _cimg_draw_fill_set(xc,nyc,0); + _cimg_draw_fill_test_neighbor(xc-1,nyc,0,xc!=0); + _cimg_draw_fill_test_neighbor(xc+1,nyc,0,xc<W1); + if (high_connexity) { + _cimg_draw_fill_test_neighbor(xc-1,nyc-1,0,(xc!=0 && nyc!=0)); + _cimg_draw_fill_test_neighbor(xc+1,nyc-1,0,(xc<W1 && nyc!=0)); + _cimg_draw_fill_test_neighbor(xc-1,nyc+1,0,(xc!=0 && nyc<H1)); + _cimg_draw_fill_test_neighbor(xc+1,nyc+1,0,(xc<W1 && nyc<H1)); + } + } + } while (cont); + } while (posr1>posr0); + if (noregion) cimg_for(region,ptr,t) if (*ptr==noregion) *ptr = (t)0; + } + return *this; + } + + //! Draw a 3D filled region starting from a point (\c x,\c y,\ z) in the instance image. + template<typename tc, typename t> + CImg<T>& draw_fill(const int x, const int y, const int z, + const CImg<tc>& color, const float opacity, + CImg<t>& region, const float sigma=0, const bool high_connexity=false) { + return draw_fill(x,y,z,color.data,opacity,region,sigma,high_connexity); + } + + //! Draw a 3D filled region starting from a point (\c x,\c y,\ z) in the instance image. + /** + \param x = X-coordinate of the starting point of the region to fill. + \param y = Y-coordinate of the starting point of the region to fill. + \param z = Z-coordinate of the starting point of the region to fill. + \param color = an array of dimv() values of type \c T, defining the drawing color. + \param sigma = tolerance concerning neighborhood values. + \param opacity = opacity of the drawing. + **/ + template<typename tc> + CImg<T>& draw_fill(const int x, const int y, const int z, + const tc *const color, const float opacity=1, + const float sigma=0, const bool high_connexity=false) { + CImg<boolT> tmp; + return draw_fill(x,y,z,color,opacity,tmp,sigma,high_connexity); + } + + //! Draw a 3D filled region starting from a point (\c x,\c y,\ z) in the instance image. + template<typename tc> + CImg<T>& draw_fill(const int x, const int y, const int z, + const CImg<tc>& color, const float opacity=1, + const float sigma=0, const bool high_connexity=false) { + return draw_fill(x,y,z,color.data,opacity,sigma,high_connexity); + } + + //! Draw a 2D filled region starting from a point (\c x,\c y) in the instance image. + /** + \param x = X-coordinate of the starting point of the region to fill. + \param y = Y-coordinate of the starting point of the region to fill. + \param color = an array of dimv() values of type \c T, defining the drawing color. + \param sigma = tolerance concerning neighborhood values. + \param opacity = opacity of the drawing. + **/ + template<typename tc> + CImg<T>& draw_fill(const int x, const int y, + const tc *const color, const float opacity=1, + const float sigma=0, const bool high_connexity=false) { + CImg<boolT> tmp; + return draw_fill(x,y,0,color,opacity,tmp,sigma,high_connexity); + } + + //! Draw a 2D filled region starting from a point (\c x,\c y) in the instance image. + template<typename tc> + CImg<T>& draw_fill(const int x, const int y, + const CImg<tc>& color, const float opacity=1, + const float sigma=0, const bool high_connexity=false) { + return draw_fill(x,y,color.data,opacity,sigma,high_connexity); + } + + //! Draw a plasma random texture. + /** + \param x0 = X-coordinate of the upper-left corner of the plasma. + \param y0 = Y-coordinate of the upper-left corner of the plasma. + \param x1 = X-coordinate of the lower-right corner of the plasma. + \param y1 = Y-coordinate of the lower-right corner of the plasma. + \param alpha = Alpha-parameter of the plasma. + \param beta = Beta-parameter of the plasma. + \param opacity = opacity of the drawing. + **/ + CImg<T>& draw_plasma(const int x0, const int y0, const int x1, const int y1, + const float alpha=1, const float beta=1, + const float opacity=1) { + if (!is_empty()) { + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + int nx0 = x0, nx1 = x1, ny0 = y0, ny1 = y1; + if (nx1<nx0) cimg::swap(nx0,nx1); + if (ny1<ny0) cimg::swap(ny0,ny1); + if (nx0<0) nx0 = 0; + if (nx1>=dimx()) nx1 = width-1; + if (ny0<0) ny0 = 0; + if (ny1>=dimy()) ny1 = height-1; + const int xc = (nx0+nx1)/2, yc = (ny0+ny1)/2, dx = (xc-nx0), dy = (yc-ny0); + const Tfloat dc = (Tfloat)(cimg_std::sqrt((float)(dx*dx+dy*dy))*alpha + beta); + Tfloat val = 0; + cimg_forV(*this,k) { + if (opacity>=1) { + const Tfloat + val0 = (Tfloat)((*this)(nx0,ny0,0,k)), val1 = (Tfloat)((*this)(nx1,ny0,0,k)), + val2 = (Tfloat)((*this)(nx0,ny1,0,k)), val3 = (Tfloat)((*this)(nx1,ny1,0,k)); + (*this)(xc,ny0,0,k) = (T)((val0+val1)/2); + (*this)(xc,ny1,0,k) = (T)((val2+val3)/2); + (*this)(nx0,yc,0,k) = (T)((val0+val2)/2); + (*this)(nx1,yc,0,k) = (T)((val1+val3)/2); + do { + val = (Tfloat)(0.25f*((Tfloat)((*this)(nx0,ny0,0,k)) + + (Tfloat)((*this)(nx1,ny0,0,k)) + + (Tfloat)((*this)(nx1,ny1,0,k)) + + (Tfloat)((*this)(nx0,ny1,0,k))) + + dc*cimg::grand()); + } while (val<(Tfloat)cimg::type<T>::min() || val>(Tfloat)cimg::type<T>::max()); + (*this)(xc,yc,0,k) = (T)val; + } else { + const Tfloat + val0 = (Tfloat)((*this)(nx0,ny0,0,k)), val1 = (Tfloat)((*this)(nx1,ny0,0,k)), + val2 = (Tfloat)((*this)(nx0,ny1,0,k)), val3 = (Tfloat)((*this)(nx1,ny1,0,k)); + (*this)(xc,ny0,0,k) = (T)(((val0+val1)*nopacity + copacity*(*this)(xc,ny0,0,k))/2); + (*this)(xc,ny1,0,k) = (T)(((val2+val3)*nopacity + copacity*(*this)(xc,ny1,0,k))/2); + (*this)(nx0,yc,0,k) = (T)(((val0+val2)*nopacity + copacity*(*this)(nx0,yc,0,k))/2); + (*this)(nx1,yc,0,k) = (T)(((val1+val3)*nopacity + copacity*(*this)(nx1,yc,0,k))/2); + do { + val = (Tfloat)(0.25f*(((Tfloat)((*this)(nx0,ny0,0,k)) + + (Tfloat)((*this)(nx1,ny0,0,k)) + + (Tfloat)((*this)(nx1,ny1,0,k)) + + (Tfloat)((*this)(nx0,ny1,0,k))) + + dc*cimg::grand())*nopacity + copacity*(*this)(xc,yc,0,k)); + } while (val<(Tfloat)cimg::type<T>::min() || val>(Tfloat)cimg::type<T>::max()); + (*this)(xc,yc,0,k) = (T)val; + } + } + if (xc!=nx0 || yc!=ny0) { + draw_plasma(nx0,ny0,xc,yc,alpha,beta,opacity); + draw_plasma(xc,ny0,nx1,yc,alpha,beta,opacity); + draw_plasma(nx0,yc,xc,ny1,alpha,beta,opacity); + draw_plasma(xc,yc,nx1,ny1,alpha,beta,opacity); + } + } + return *this; + } + + //! Draw a plasma random texture. + /** + \param alpha = Alpha-parameter of the plasma. + \param beta = Beta-parameter of the plasma. + \param opacity = opacity of the drawing. + **/ + CImg<T>& draw_plasma(const float alpha=1, const float beta=1, + const float opacity=1) { + return draw_plasma(0,0,width-1,height-1,alpha,beta,opacity); + } + + //! Draw a quadratic Mandelbrot or Julia fractal set, computed using the Escape Time Algorithm. + template<typename tc> + CImg<T>& draw_mandelbrot(const int x0, const int y0, const int x1, const int y1, + const CImg<tc>& color_palette, const float opacity=1, + const double z0r=-2, const double z0i=-2, const double z1r=2, const double z1i=2, + const unsigned int itermax=255, + const bool normalized_iteration=false, + const bool julia_set=false, + const double paramr=0, const double parami=0) { + if (is_empty()) return *this; + CImg<tc> palette; + if (color_palette) palette.assign(color_palette.data,color_palette.size()/color_palette.dim,1,1,color_palette.dim,true); + if (palette && palette.dim!=dim) + throw CImgArgumentException("CImg<%s>::draw_mandelbrot() : Specified color palette (%u,%u,%u,%u,%p) is not \n" + "compatible with instance image (%u,%u,%u,%u,%p).", + pixel_type(),color_palette.width,color_palette.height,color_palette.depth,color_palette.dim, + color_palette.data,width,height,depth,dim,data); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0), ln2 = (float)cimg_std::log(2.0); + unsigned int iter = 0; + cimg_for_inXY(*this,x0,y0,x1,y1,p,q) { + const double x = z0r + p*(z1r-z0r)/width, y = z0i + q*(z1i-z0i)/height; + double zr, zi, cr, ci; + if (julia_set) { zr = x; zi = y; cr = paramr; ci = parami; } + else { zr = paramr; zi = parami; cr = x; ci = y; } + for (iter=1; zr*zr + zi*zi<=4 && iter<=itermax; ++iter) { + const double temp = zr*zr - zi*zi + cr; + zi = 2*zr*zi + ci; + zr = temp; + } + if (iter>itermax) { + if (palette) { + if (opacity>=1) cimg_forV(*this,k) (*this)(p,q,0,k) = (T)palette(0,k); + else cimg_forV(*this,k) (*this)(p,q,0,k) = (T)(palette(0,k)*nopacity + (*this)(p,q,0,k)*copacity); + } else { + if (opacity>=1) cimg_forV(*this,k) (*this)(p,q,0,k) = (T)0; + else cimg_forV(*this,k) (*this)(p,q,0,k) = (T)((*this)(p,q,0,k)*copacity); + } + } else if (normalized_iteration) { + const float + normz = (float)cimg::abs(zr*zr+zi*zi), + niter = (float)(iter + 1 - cimg_std::log(cimg_std::log(normz))/ln2); + if (palette) { + if (opacity>=1) cimg_forV(*this,k) (*this)(p,q,0,k) = (T)palette._linear_atX(niter,k); + else cimg_forV(*this,k) (*this)(p,q,0,k) = (T)(palette._linear_atX(niter,k)*nopacity + (*this)(p,q,0,k)*copacity); + } else { + if (opacity>=1) cimg_forV(*this,k) (*this)(p,q,0,k) = (T)niter; + else cimg_forV(*this,k) (*this)(p,q,0,k) = (T)(niter*nopacity + (*this)(p,q,0,k)*copacity); + } + } else { + if (palette) { + if (opacity>=1) cimg_forV(*this,k) (*this)(p,q,0,k) = (T)palette._atX(iter,k); + else cimg_forV(*this,k) (*this)(p,q,0,k) = (T)(palette(iter,k)*nopacity + (*this)(p,q,0,k)*copacity); + } else { + if (opacity>=1) cimg_forV(*this,k) (*this)(p,q,0,k) = (T)iter; + else cimg_forV(*this,k) (*this)(p,q,0,k) = (T)(iter*nopacity + (*this)(p,q,0,k)*copacity); + } + } + } + return *this; + } + + //! Draw a quadratic Mandelbrot or Julia fractal set, computed using the Escape Time Algorithm. + template<typename tc> + CImg<T>& draw_mandelbrot(const CImg<tc>& color_palette, const float opacity=1, + const double z0r=-2, const double z0i=-2, const double z1r=2, const double z1i=2, + const unsigned int itermax=255, + const bool normalized_iteration=false, + const bool julia_set=false, + const double paramr=0, const double parami=0) { + return draw_mandelbrot(0,0,width-1,height-1,color_palette,opacity,z0r,z0i,z1r,z1i,itermax,normalized_iteration,julia_set,paramr,parami); + } + + //! Draw a 1D gaussian function in the instance image. + /** + \param xc = X-coordinate of the gaussian center. + \param sigma = Standard variation of the gaussian distribution. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param opacity = opacity of the drawing. + **/ + template<typename tc> + CImg<T>& draw_gaussian(const float xc, const float sigma, + const tc *const color, const float opacity=1) { + if (is_empty()) return *this; + if (!color) + throw CImgArgumentException("CImg<%s>::draw_gaussian() : Specified color is (null)", + pixel_type()); + const float sigma2 = 2*sigma*sigma, nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const unsigned int whz = width*height*depth; + const tc *col = color; + cimg_forX(*this,x) { + const float dx = (x - xc), val = (float)cimg_std::exp(-dx*dx/sigma2); + T *ptrd = ptr(x,0,0,0); + if (opacity>=1) cimg_forV(*this,k) { *ptrd = (T)(val*(*col++)); ptrd+=whz; } + else cimg_forV(*this,k) { *ptrd = (T)(nopacity*val*(*col++) + *ptrd*copacity); ptrd+=whz; } + col-=dim; + } + return *this; + } + + //! Draw a 1D gaussian function in the instance image. + template<typename tc> + CImg<T>& draw_gaussian(const float xc, const float sigma, + const CImg<tc>& color, const float opacity=1) { + return draw_gaussian(xc,sigma,color.data,opacity); + } + + //! Draw an anisotropic 2D gaussian function. + /** + \param xc = X-coordinate of the gaussian center. + \param yc = Y-coordinate of the gaussian center. + \param tensor = 2x2 covariance matrix. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param opacity = opacity of the drawing. + **/ + template<typename t, typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const CImg<t>& tensor, + const tc *const color, const float opacity=1) { + if (is_empty()) return *this; + typedef typename cimg::superset<t,float>::type tfloat; + if (tensor.width!=2 || tensor.height!=2 || tensor.depth!=1 || tensor.dim!=1) + throw CImgArgumentException("CImg<%s>::draw_gaussian() : Tensor parameter (%u,%u,%u,%u,%p) is not a 2x2 matrix.", + pixel_type(),tensor.width,tensor.height,tensor.depth,tensor.dim,tensor.data); + if (!color) + throw CImgArgumentException("CImg<%s>::draw_gaussian() : Specified color is (null)", + pixel_type()); + const CImg<tfloat> invT = tensor.get_invert(), invT2 = (invT*invT)/(-2.0); + const tfloat a = invT2(0,0), b = 2*invT2(1,0), c = invT2(1,1); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const unsigned int whz = width*height*depth; + const tc *col = color; + float dy = -yc; + cimg_forY(*this,y) { + float dx = -xc; + cimg_forX(*this,x) { + const float val = (float)cimg_std::exp(a*dx*dx + b*dx*dy + c*dy*dy); + T *ptrd = ptr(x,y,0,0); + if (opacity>=1) cimg_forV(*this,k) { *ptrd = (T)(val*(*col++)); ptrd+=whz; } + else cimg_forV(*this,k) { *ptrd = (T)(nopacity*val*(*col++) + *ptrd*copacity); ptrd+=whz; } + col-=dim; + ++dx; + } + ++dy; + } + return *this; + } + + //! Draw an anisotropic 2D gaussian function. + template<typename t, typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const CImg<t>& tensor, + const CImg<tc>& color, const float opacity=1) { + return draw_gaussian(xc,yc,tensor,color.data,opacity); + } + + //! Draw an anisotropic 2D gaussian function. + template<typename tc> + CImg<T>& draw_gaussian(const int xc, const int yc, const float r1, const float r2, const float ru, const float rv, + const tc *const color, const float opacity=1) { + const double + a = r1*ru*ru + r2*rv*rv, + b = (r1-r2)*ru*rv, + c = r1*rv*rv + r2*ru*ru; + const CImg<Tfloat> tensor(2,2,1,1, a,b,b,c); + return draw_gaussian(xc,yc,tensor,color,opacity); + } + + //! Draw an anisotropic 2D gaussian function. + template<typename tc> + CImg<T>& draw_gaussian(const int xc, const int yc, const float r1, const float r2, const float ru, const float rv, + const CImg<tc>& color, const float opacity=1) { + return draw_gaussian(xc,yc,r1,r2,ru,rv,color.data,opacity); + } + + //! Draw an isotropic 2D gaussian function. + /** + \param xc = X-coordinate of the gaussian center. + \param yc = Y-coordinate of the gaussian center. + \param sigma = standard variation of the gaussian distribution. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param opacity = opacity of the drawing. + **/ + template<typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const float sigma, + const tc *const color, const float opacity=1) { + return draw_gaussian(xc,yc,CImg<floatT>::diagonal(sigma,sigma),color,opacity); + } + + //! Draw an isotropic 2D gaussian function. + template<typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const float sigma, + const CImg<tc>& color, const float opacity=1) { + return draw_gaussian(xc,yc,sigma,color.data,opacity); + } + + //! Draw an anisotropic 3D gaussian function. + /** + \param xc = X-coordinate of the gaussian center. + \param yc = Y-coordinate of the gaussian center. + \param zc = Z-coordinate of the gaussian center. + \param tensor = 3x3 covariance matrix. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param opacity = opacity of the drawing. + **/ + template<typename t, typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const float zc, const CImg<t>& tensor, + const tc *const color, const float opacity=1) { + if (is_empty()) return *this; + typedef typename cimg::superset<t,float>::type tfloat; + if (tensor.width!=3 || tensor.height!=3 || tensor.depth!=1 || tensor.dim!=1) + throw CImgArgumentException("CImg<%s>::draw_gaussian() : Tensor parameter (%u,%u,%u,%u,%p) is not a 3x3 matrix.", + pixel_type(),tensor.width,tensor.height,tensor.depth,tensor.dim,tensor.data); + const CImg<tfloat> invT = tensor.get_invert(), invT2 = (invT*invT)/(-2.0); + const tfloat a = invT(0,0), b = 2*invT(1,0), c = 2*invT(2,0), d = invT(1,1), e = 2*invT(2,1), f = invT(2,2); + const float nopacity = cimg::abs(opacity), copacity = 1 - cimg::max(opacity,0); + const unsigned int whz = width*height*depth; + const tc *col = color; + cimg_forXYZ(*this,x,y,z) { + const float + dx = (x - xc), dy = (y - yc), dz = (z - zc), + val = (float)cimg_std::exp(a*dx*dx + b*dx*dy + c*dx*dz + d*dy*dy + e*dy*dz + f*dz*dz); + T *ptrd = ptr(x,y,z,0); + if (opacity>=1) cimg_forV(*this,k) { *ptrd = (T)(val*(*col++)); ptrd+=whz; } + else cimg_forV(*this,k) { *ptrd = (T)(nopacity*val*(*col++) + *ptrd*copacity); ptrd+=whz; } + col-=dim; + } + return *this; + } + + //! Draw an anisotropic 3D gaussian function. + template<typename t, typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const float zc, const CImg<t>& tensor, + const CImg<tc>& color, const float opacity=1) { + return draw_gaussian(xc,yc,zc,tensor,color.data,opacity); + } + + //! Draw an isotropic 3D gaussian function. + /** + \param xc = X-coordinate of the gaussian center. + \param yc = Y-coordinate of the gaussian center. + \param zc = Z-coordinate of the gaussian center. + \param sigma = standard variation of the gaussian distribution. + \param color = array of dimv() values of type \c T, defining the drawing color. + \param opacity = opacity of the drawing. + **/ + template<typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const float zc, const float sigma, + const tc *const color, const float opacity=1) { + return draw_gaussian(xc,yc,zc,CImg<floatT>::diagonal(sigma,sigma,sigma),color,opacity); + } + + //! Draw an isotropic 3D gaussian function. + template<typename tc> + CImg<T>& draw_gaussian(const float xc, const float yc, const float zc, const float sigma, + const CImg<tc>& color, const float opacity=1) { + return draw_gaussian(xc,yc,zc,sigma,color.data,opacity); + } + + // Draw a 3D object (internal) + template<typename tc, typename to> + void _draw_object3d_sprite(const int x, const int y, + const CImg<tc>& color, const CImg<to>& opacity, const CImg<T>& sprite) { + if (opacity.width==color.width && opacity.height==color.height) + draw_image(x,y,sprite,opacity.get_resize(sprite.width,sprite.height,1,sprite.dim,1)); + else + draw_image(x,y,sprite,opacity(0)); + } + + template<typename tc> + void _draw_object3d_sprite(const int x, const int y, + const CImg<tc>& color, const float opacity, const CImg<T>& sprite) { + if (color) draw_image(x,y,sprite,opacity); + } + + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& _draw_object3d(void *const pboard, float *const zbuffer, + const float X, const float Y, const float Z, + const tp& points, const unsigned int nb_points, + const CImgList<tf>& primitives, + const CImgList<tc>& colors, + const to& opacities, const unsigned int nb_opacities, + const unsigned int render_type, + const bool double_sided, const float focale, + const float lightx, const float lighty, const float lightz, + const float specular_light, const float specular_shine) { + if (is_empty()) return *this; +#ifndef cimg_use_board + if (pboard) return *this; +#endif + const float + nspec = 1-(specular_light<0?0:(specular_light>1?1:specular_light)), + nspec2 = 1+(specular_shine<0?0:specular_shine), + nsl1 = (nspec2-1)/cimg::sqr(nspec-1), + nsl2 = (1-2*nsl1*nspec), + nsl3 = nspec2-nsl1-nsl2; + + // Create light texture for phong-like rendering + static CImg<floatT> light_texture; + if (render_type==5) { + if (colors.size>primitives.size) light_texture.assign(colors[primitives.size])/=255; + else { + static float olightx = 0, olighty = 0, olightz = 0, ospecular_shine = 0; + if (!light_texture || lightx!=olightx || lighty!=olighty || lightz!=olightz || specular_shine!=ospecular_shine) { + light_texture.assign(512,512); + const float white[] = { 1 }, + dlx = lightx-X, dly = lighty-Y, dlz = lightz-Z, + nl = (float)cimg_std::sqrt(dlx*dlx+dly*dly+dlz*dlz), + nlx = light_texture.width/2*(1+dlx/nl), + nly = light_texture.height/2*(1+dly/nl); + light_texture.draw_gaussian(nlx,nly,light_texture.width/3.0f,white); + cimg_forXY(light_texture,x,y) { + const float factor = light_texture(x,y); + if (factor>nspec) light_texture(x,y) = cimg::min(2,nsl1*factor*factor+nsl2*factor+nsl3); + } + olightx = lightx; olighty = lighty; olightz = lightz; ospecular_shine = specular_shine; + } + } + } + + // Compute 3D to 2D projection + CImg<floatT> projections(nb_points,2); + cimg_forX(projections,l) { + const float + x = (float)points(l,0), + y = (float)points(l,1), + z = (float)points(l,2); + const float projectedz = z + Z + focale; + projections(l,1) = Y + focale*y/projectedz; + projections(l,0) = X + focale*x/projectedz; + } + + // Compute and sort visible primitives + CImg<uintT> visibles(primitives.size); + CImg<floatT> zrange(primitives.size); + unsigned int nb_visibles = 0; + const float zmin = -focale+1.5f; + { cimglist_for(primitives,l) { + const CImg<tf>& primitive = primitives[l]; + switch (primitive.size()) { + + case 1 : { // Point + const unsigned int i0 = (unsigned int)primitive(0); + const float x0 = projections(i0,0), y0 = projections(i0,1), z0 = (float)(Z+points(i0,2)); + if (z0>zmin && x0>=0 && x0<width && y0>=0 && y0<height) { + visibles(nb_visibles) = (unsigned int)l; + zrange(nb_visibles++) = z0; + } + } break; + case 5 : { // Sphere + const unsigned int + i0 = (unsigned int)primitive(0), + i1 = (unsigned int)primitive(1), + i2 = (unsigned int)primitive(2); + const float x0 = projections(i0,0), y0 = projections(i0,1), z0 = (float)(Z+points(i0,2)); + int radius; + if (i2) radius = (int)(i2*focale/(z0+focale)); + else { + const float x1 = projections(i1,0), y1 = projections(i1,1); + const int deltax = (int)(x1-x0), deltay = (int)(y1-y0); + radius = (int)cimg_std::sqrt((float)(deltax*deltax + deltay*deltay)); + } + if (z0>zmin && x0+radius>=0 && x0-radius<width && y0+radius>=0 && y0-radius<height) { + visibles(nb_visibles) = (unsigned int)l; + zrange(nb_visibles++) = z0; + } + } break; + case 2 : // Line + case 6 : { + const unsigned int + i0 = (unsigned int)primitive(0), + i1 = (unsigned int)primitive(1); + const float + x0 = projections(i0,0), y0 = projections(i0,1), z0 = (float)(Z+points(i0,2)), + x1 = projections(i1,0), y1 = projections(i1,1), z1 = (float)(Z+points(i1,2)); + float xm, xM, ym, yM; + if (x0<x1) { xm = x0; xM = x1; } else { xm = x1; xM = x0; } + if (y0<y1) { ym = y0; yM = y1; } else { ym = y1; yM = y0; } + if (z0>zmin && z1>zmin && xM>=0 && xm<width && yM>=0 && ym<height) { + visibles(nb_visibles) = (unsigned int)l; + zrange(nb_visibles++) = 0.5f*(z0+z1); + } + } break; + case 3 : // Triangle + case 9 : { + const unsigned int + i0 = (unsigned int)primitive(0), + i1 = (unsigned int)primitive(1), + i2 = (unsigned int)primitive(2); + const float + x0 = projections(i0,0), y0 = projections(i0,1), z0 = (float)(Z+points(i0,2)), + x1 = projections(i1,0), y1 = projections(i1,1), z1 = (float)(Z+points(i1,2)), + x2 = projections(i2,0), y2 = projections(i2,1), z2 = (float)(Z+points(i2,2)); + float xm, xM, ym, yM; + if (x0<x1) { xm = x0; xM = x1; } else { xm = x1; xM = x0; } + if (x2<xm) xm = x2; + if (x2>xM) xM = x2; + if (y0<y1) { ym = y0; yM = y1; } else { ym = y1; yM = y0; } + if (y2<ym) ym = y2; + if (y2>yM) yM = y2; + if (z0>zmin && z1>zmin && z2>zmin && xM>=0 && xm<width && yM>=0 && ym<height) { + const float d = (x1-x0)*(y2-y0)-(x2-x0)*(y1-y0); + if (double_sided || d<0) { + visibles(nb_visibles) = (unsigned int)l; + zrange(nb_visibles++) = (z0+z1+z2)/3; + } + } + } break; + case 4 : // Rectangle + case 12 : { + const unsigned int + i0 = (unsigned int)primitive(0), + i1 = (unsigned int)primitive(1), + i2 = (unsigned int)primitive(2), + i3 = (unsigned int)primitive(3); + const float + x0 = projections(i0,0), y0 = projections(i0,1), z0 = (float)(Z+points(i0,2)), + x1 = projections(i1,0), y1 = projections(i1,1), z1 = (float)(Z+points(i1,2)), + x2 = projections(i2,0), y2 = projections(i2,1), z2 = (float)(Z+points(i2,2)), + x3 = projections(i3,0), y3 = projections(i3,1), z3 = (float)(Z+points(i3,2)); + float xm, xM, ym, yM; + if (x0<x1) { xm = x0; xM = x1; } else { xm = x1; xM = x0; } + if (x2<xm) xm = x2; + if (x2>xM) xM = x2; + if (x3<xm) xm = x3; + if (x3>xM) xM = x3; + if (y0<y1) { ym = y0; yM = y1; } else { ym = y1; yM = y0; } + if (y2<ym) ym = y2; + if (y2>yM) yM = y2; + if (y3<ym) ym = y3; + if (y3>yM) yM = y3; + if (z0>zmin && z1>zmin && z2>zmin && z3>zmin && xM>=0 && xm<width && yM>=0 && ym<height) { + const float d = (x1 - x0)*(y2 - y0) - (x2 - x0)*(y1 - y0); + if (double_sided || d<0) { + visibles(nb_visibles) = (unsigned int)l; + zrange(nb_visibles++) = (z0 + z1 + z2 + z3)/4; + } + } + } break; + default : + throw CImgArgumentException("CImg<%s>::draw_object3d() : Primitive %u is invalid (size = %u, can be 1,2,3,4,5,6,9 or 12)", + pixel_type(),l,primitive.size()); + }} + } + if (nb_visibles<=0) return *this; + CImg<uintT> permutations; + CImg<floatT>(zrange.data,nb_visibles,1,1,1,true).sort(permutations,false); + + // Compute light properties + CImg<floatT> lightprops; + switch (render_type) { + case 3 : { // Flat Shading + lightprops.assign(nb_visibles); + cimg_forX(lightprops,l) { + const CImg<tf>& primitive = primitives(visibles(permutations(l))); + const unsigned int psize = primitive.size(); + if (psize==3 || psize==4 || psize==9 || psize==12) { + const unsigned int + i0 = (unsigned int)primitive(0), + i1 = (unsigned int)primitive(1), + i2 = (unsigned int)primitive(2); + const float + x0 = (float)points(i0,0), y0 = (float)points(i0,1), z0 = (float)points(i0,2), + x1 = (float)points(i1,0), y1 = (float)points(i1,1), z1 = (float)points(i1,2), + x2 = (float)points(i2,0), y2 = (float)points(i2,1), z2 = (float)points(i2,2), + dx1 = x1 - x0, dy1 = y1 - y0, dz1 = z1 - z0, + dx2 = x2 - x0, dy2 = y2 - y0, dz2 = z2 - z0, + nx = dy1*dz2 - dz1*dy2, + ny = dz1*dx2 - dx1*dz2, + nz = dx1*dy2 - dy1*dx2, + norm = (float)cimg_std::sqrt(1e-5f + nx*nx + ny*ny + nz*nz), + lx = X + (x0 + x1 + x2)/3 - lightx, + ly = Y + (y0 + y1 + y2)/3 - lighty, + lz = Z + (z0 + z1 + z2)/3 - lightz, + nl = (float)cimg_std::sqrt(1e-5f + lx*lx + ly*ly + lz*lz), + factor = cimg::max(cimg::abs(-lx*nx-ly*ny-lz*nz)/(norm*nl),0); + lightprops[l] = factor<=nspec?factor:(nsl1*factor*factor + nsl2*factor + nsl3); + } else lightprops[l] = 1; + } + } break; + + case 4 : // Gouraud Shading + case 5 : { // Phong-Shading + CImg<floatT> points_normals(nb_points,3,1,1,0); + for (unsigned int l=0; l<nb_visibles; ++l) { + const CImg<tf>& primitive = primitives[visibles(l)]; + const unsigned int psize = primitive.size(); + const bool + triangle_flag = (psize==3) || (psize==9), + rectangle_flag = (psize==4) || (psize==12); + if (triangle_flag || rectangle_flag) { + const unsigned int + i0 = (unsigned int)primitive(0), + i1 = (unsigned int)primitive(1), + i2 = (unsigned int)primitive(2), + i3 = rectangle_flag?(unsigned int)primitive(3):0; + const float + x0 = (float)points(i0,0), y0 = (float)points(i0,1), z0 = (float)points(i0,2), + x1 = (float)points(i1,0), y1 = (float)points(i1,1), z1 = (float)points(i1,2), + x2 = (float)points(i2,0), y2 = (float)points(i2,1), z2 = (float)points(i2,2), + dx1 = x1 - x0, dy1 = y1 - y0, dz1 = z1 - z0, + dx2 = x2 - x0, dy2 = y2 - y0, dz2 = z2 - z0, + nnx = dy1*dz2 - dz1*dy2, + nny = dz1*dx2 - dx1*dz2, + nnz = dx1*dy2 - dy1*dx2, + norm = 1e-5f + (float)cimg_std::sqrt(nnx*nnx + nny*nny + nnz*nnz), + nx = nnx/norm, + ny = nny/norm, + nz = nnz/norm; + points_normals(i0,0)+=nx; points_normals(i0,1)+=ny; points_normals(i0,2)+=nz; + points_normals(i1,0)+=nx; points_normals(i1,1)+=ny; points_normals(i1,2)+=nz; + points_normals(i2,0)+=nx; points_normals(i2,1)+=ny; points_normals(i2,2)+=nz; + if (rectangle_flag) { points_normals(i3,0)+=nx; points_normals(i3,1)+=ny; points_normals(i3,2)+=nz; } + } + } + + if (double_sided) cimg_forX(points_normals,p) if (points_normals(p,2)>0) { + points_normals(p,0) = -points_normals(p,0); + points_normals(p,1) = -points_normals(p,1); + points_normals(p,2) = -points_normals(p,2); + } + + if (render_type==4) { + lightprops.assign(nb_points); + cimg_forX(lightprops,ll) { + const float + nx = points_normals(ll,0), + ny = points_normals(ll,1), + nz = points_normals(ll,2), + norm = (float)cimg_std::sqrt(1e-5f + nx*nx + ny*ny + nz*nz), + lx = (float)(X + points(ll,0) - lightx), + ly = (float)(Y + points(ll,1) - lighty), + lz = (float)(Z + points(ll,2) - lightz), + nl = (float)cimg_std::sqrt(1e-5f + lx*lx + ly*ly + lz*lz), + factor = cimg::max((-lx*nx-ly*ny-lz*nz)/(norm*nl),0); + lightprops[ll] = factor<=nspec?factor:(nsl1*factor*factor + nsl2*factor + nsl3); + } + } else { + const unsigned int + lw2 = light_texture.width/2 - 1, + lh2 = light_texture.height/2 - 1; + lightprops.assign(nb_points,2); + cimg_forX(lightprops,ll) { + const float + nx = points_normals(ll,0), + ny = points_normals(ll,1), + nz = points_normals(ll,2), + norm = (float)cimg_std::sqrt(1e-5f + nx*nx + ny*ny + nz*nz), + nnx = nx/norm, + nny = ny/norm; + lightprops(ll,0) = lw2*(1 + nnx); + lightprops(ll,1) = lh2*(1 + nny); + } + } + } break; + } + + // Draw visible primitives + const CImg<tc> default_color(1,dim,1,1,(tc)200); + { for (unsigned int l = 0; l<nb_visibles; ++l) { + const unsigned int n_primitive = visibles(permutations(l)); + const CImg<tf>& primitive = primitives[n_primitive]; + const CImg<tc>& color = n_primitive<colors.size?colors[n_primitive]:default_color; + const float opac = n_primitive<nb_opacities?opacities(n_primitive,0):1.0f; +#ifdef cimg_use_board + BoardLib::Board &board = *(BoardLib::Board*)pboard; +#endif + + switch (primitive.size()) { + case 1 : { // Colored point or sprite + const unsigned int n0 = (unsigned int)primitive[0]; + const int x0 = (int)projections(n0,0), y0 = (int)projections(n0,1); + if (color.size()==dim) { + draw_point(x0,y0,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.fillCircle((float)x0,dimy()-(float)y0,0); + } +#endif + } else { + const float z = Z + points(n0,2); + const int + factor = (int)(focale*100/(z+focale)), + sw = color.width*factor/200, + sh = color.height*factor/200; + if (x0+sw>=0 && x0-sw<dimx() && y0+sh>=0 && y0-sh<dimy()) { + const CImg<T> sprite = color.get_resize(-factor,-factor,1,-100,render_type<=3?1:3); + _draw_object3d_sprite(x0-sw,y0-sh,color,opacities[n_primitive%nb_opacities],sprite); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128); + board.setFillColor(BoardLib::Color::none); + board.drawRectangle((float)x0-sw,dimy()-(float)y0+sh,sw,sh); + } +#endif + } + } + } break; + case 2 : { // Colored line + const unsigned int + n0 = (unsigned int)primitive[0], + n1 = (unsigned int)primitive[1]; + const int + x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), + x1 = (int)projections(n1,0), y1 = (int)projections(n1,1); + const float + z0 = points(n0,2) + Z + focale, + z1 = points(n1,2) + Z + focale; + if (render_type) { + if (zbuffer) draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,opac); + else draw_line(x0,y0,x1,y1,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.drawLine((float)x0,dimy()-(float)y0,x1,dimy()-(float)y1); + } +#endif + } else { + draw_point(x0,y0,color,opac).draw_point(x1,y1,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.drawCircle((float)x0,dimy()-(float)y0,0); + board.drawCircle((float)x1,dimy()-(float)y1,0); + } +#endif + } + } break; + case 5 : { // Colored sphere + const unsigned int + n0 = (unsigned int)primitive[0], + n1 = (unsigned int)primitive[1], + n2 = (unsigned int)primitive[2]; + const int + x0 = (int)projections(n0,0), y0 = (int)projections(n0,1); + int radius; + if (n2) radius = (int)(n2*focale/(Z+points(n0,2)+focale)); + else { + const int + x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), + deltax = x1-x0, deltay = y1-y0; + radius = (int)cimg_std::sqrt((float)(deltax*deltax + deltay*deltay)); + } + switch (render_type) { + case 0 : + draw_point(x0,y0,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.fillCircle((float)x0,dimy()-(float)y0,0); + } +#endif + break; + case 1 : + draw_circle(x0,y0,radius,color,opac,~0U); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.setFillColor(BoardLib::Color::none); + board.drawCircle((float)x0,dimy()-(float)y0,(float)radius); + } +#endif + break; + default : + draw_circle(x0,y0,radius,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.fillCircle((float)x0,dimy()-(float)y0,(float)radius); + } +#endif + break; + } + } break; + case 6 : { // Textured line + const unsigned int + n0 = (unsigned int)primitive[0], + n1 = (unsigned int)primitive[1], + tx0 = (unsigned int)primitive[2], + ty0 = (unsigned int)primitive[3], + tx1 = (unsigned int)primitive[4], + ty1 = (unsigned int)primitive[5]; + const int + x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), + x1 = (int)projections(n1,0), y1 = (int)projections(n1,1); + const float + z0 = points(n0,2) + Z + focale, + z1 = points(n1,2) + Z + focale; + if (render_type) { + if (zbuffer) draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opac); + else draw_line(x0,y0,x1,y1,color,tx0,ty0,tx1,ty1,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.drawLine((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1); + } +#endif + } else { + draw_point(x0,y0,color.get_vector_at(tx0,ty0),opac). + draw_point(x1,y1,color.get_vector_at(tx1,ty1),opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.drawCircle((float)x0,dimy()-(float)y0,0); + board.drawCircle((float)x1,dimy()-(float)y1,0); + } +#endif + } + } break; + case 3 : { // Colored triangle + const unsigned int + n0 = (unsigned int)primitive[0], + n1 = (unsigned int)primitive[1], + n2 = (unsigned int)primitive[2]; + const int + x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), + x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), + x2 = (int)projections(n2,0), y2 = (int)projections(n2,1); + const float + z0 = points(n0,2) + Z + focale, + z1 = points(n1,2) + Z + focale, + z2 = points(n2,2) + Z + focale; + switch (render_type) { + case 0 : + draw_point(x0,y0,color,opac).draw_point(x1,y1,color,opac).draw_point(x2,y2,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.drawCircle((float)x0,dimy()-(float)y0,0); + board.drawCircle((float)x1,dimy()-(float)y1,0); + board.drawCircle((float)x2,dimy()-(float)y2,0); + } +#endif + break; + case 1 : + if (zbuffer) + draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,opac).draw_line(zbuffer,x0,y0,z0,x2,y2,z2,color,opac). + draw_line(zbuffer,x1,y1,z1,x2,y2,z2,color,opac); + else + draw_line(x0,y0,x1,y1,color,opac).draw_line(x0,y0,x2,y2,color,opac). + draw_line(x1,y1,x2,y2,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.drawLine((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1); + board.drawLine((float)x0,dimy()-(float)y0,(float)x2,dimy()-(float)y2); + board.drawLine((float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + } +#endif + break; + case 2 : + if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,opac); + else draw_triangle(x0,y0,x1,y1,x2,y2,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + } +#endif + break; + case 3 : + if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color.data,opac,lightprops(l)); + else _draw_triangle(x0,y0,x1,y1,x2,y2,color.data,opac,lightprops(l)); +#ifdef cimg_use_board + if (pboard) { + const float lp = cimg::min(lightprops(l),1); + board.setPenColorRGBi((unsigned char)(color[0]*lp), + (unsigned char)(color[1]*lp), + (unsigned char)(color[2]*lp), + (unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + } +#endif + break; + case 4 : + if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,lightprops(n0),lightprops(n1),lightprops(n2),opac); + else draw_triangle(x0,y0,x1,y1,x2,y2,color,lightprops(n0),lightprops(n1),lightprops(n2),opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi((unsigned char)(color[0]), + (unsigned char)(color[1]), + (unsigned char)(color[2]), + (unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,lightprops(n0), + (float)x1,dimy()-(float)y1,lightprops(n1), + (float)x2,dimy()-(float)y2,lightprops(n2)); + } +#endif + break; + case 5 : { + const unsigned int + lx0 = (unsigned int)lightprops(n0,0), ly0 = (unsigned int)lightprops(n0,1), + lx1 = (unsigned int)lightprops(n1,0), ly1 = (unsigned int)lightprops(n1,1), + lx2 = (unsigned int)lightprops(n2,0), ly2 = (unsigned int)lightprops(n2,1); + if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opac); + else draw_triangle(x0,y0,x1,y1,x2,y2,color,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opac); +#ifdef cimg_use_board + if (pboard) { + const float + l0 = light_texture((int)(light_texture.dimx()/2*(1+lightprops(n0,0))), (int)(light_texture.dimy()/2*(1+lightprops(n0,1)))), + l1 = light_texture((int)(light_texture.dimx()/2*(1+lightprops(n1,0))), (int)(light_texture.dimy()/2*(1+lightprops(n1,1)))), + l2 = light_texture((int)(light_texture.dimx()/2*(1+lightprops(n2,0))), (int)(light_texture.dimy()/2*(1+lightprops(n2,1)))); + board.setPenColorRGBi((unsigned char)(color[0]), + (unsigned char)(color[1]), + (unsigned char)(color[2]), + (unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,l0, + (float)x1,dimy()-(float)y1,l1, + (float)x2,dimy()-(float)y2,l2); + } +#endif + } break; + } + } break; + case 4 : { // Colored rectangle + const unsigned int + n0 = (unsigned int)primitive[0], + n1 = (unsigned int)primitive[1], + n2 = (unsigned int)primitive[2], + n3 = (unsigned int)primitive[3]; + const int + x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), + x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), + x2 = (int)projections(n2,0), y2 = (int)projections(n2,1), + x3 = (int)projections(n3,0), y3 = (int)projections(n3,1); + const float + z0 = points(n0,2) + Z + focale, + z1 = points(n1,2) + Z + focale, + z2 = points(n2,2) + Z + focale, + z3 = points(n3,2) + Z + focale; + switch (render_type) { + case 0 : + draw_point(x0,y0,color,opac).draw_point(x1,y1,color,opac). + draw_point(x2,y2,color,opac).draw_point(x3,y3,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.drawCircle((float)x0,dimy()-(float)y0,0); + board.drawCircle((float)x1,dimy()-(float)y1,0); + board.drawCircle((float)x2,dimy()-(float)y2,0); + board.drawCircle((float)x3,dimy()-(float)y3,0); + } +#endif + break; + case 1 : + if (zbuffer) + draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,opac).draw_line(zbuffer,x1,y1,z1,x2,y2,z2,color,opac). + draw_line(zbuffer,x2,y2,z2,x3,y3,z3,color,opac).draw_line(zbuffer,x3,y3,z3,x0,y0,z0,color,opac); + else + draw_line(x0,y0,x1,y1,color,opac).draw_line(x1,y1,x2,y2,color,opac). + draw_line(x2,y2,x3,y3,color,opac).draw_line(x3,y3,x0,y0,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.drawLine((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1); + board.drawLine((float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + board.drawLine((float)x2,dimy()-(float)y2,(float)x3,dimy()-(float)y3); + board.drawLine((float)x3,dimy()-(float)y3,(float)x0,dimy()-(float)y0); + } +#endif + break; + case 2 : + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,opac).draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,opac); + else + draw_triangle(x0,y0,x1,y1,x2,y2,color,opac).draw_triangle(x0,y0,x2,y2,x3,y3,color,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(color[0],color[1],color[2],(unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x2,dimy()-(float)y2,(float)x3,dimy()-(float)y3); + } +#endif + break; + case 3 : + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color.data,opac,lightprops(l)). + draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color.data,opac,lightprops(l)); + else + _draw_triangle(x0,y0,x1,y1,x2,y2,color.data,opac,lightprops(l)). + _draw_triangle(x0,y0,x2,y2,x3,y3,color.data,opac,lightprops(l)); +#ifdef cimg_use_board + if (pboard) { + const float lp = cimg::min(lightprops(l),1); + board.setPenColorRGBi((unsigned char)(color[0]*lp), + (unsigned char)(color[1]*lp), + (unsigned char)(color[2]*lp),(unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x2,dimy()-(float)y2,(float)x3,dimy()-(float)y3); + } +#endif + break; + case 4 : { + const float + lightprop0 = lightprops(n0), lightprop1 = lightprops(n1), + lightprop2 = lightprops(n2), lightprop3 = lightprops(n3); + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,lightprop0,lightprop1,lightprop2,opac). + draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,lightprop0,lightprop2,lightprop3,opac); + else + draw_triangle(x0,y0,x1,y1,x2,y2,color,lightprop0,lightprop1,lightprop2,opac). + draw_triangle(x0,y0,x2,y2,x3,y3,color,lightprop0,lightprop2,lightprop3,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi((unsigned char)(color[0]), + (unsigned char)(color[1]), + (unsigned char)(color[2]), + (unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,lightprop0, + (float)x1,dimy()-(float)y1,lightprop1, + (float)x2,dimy()-(float)y2,lightprop2); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,lightprop0, + (float)x2,dimy()-(float)y2,lightprop2, + (float)x3,dimy()-(float)y3,lightprop3); + } +#endif + } break; + case 5 : { + const unsigned int + lx0 = (unsigned int)lightprops(n0,0), ly0 = (unsigned int)lightprops(n0,1), + lx1 = (unsigned int)lightprops(n1,0), ly1 = (unsigned int)lightprops(n1,1), + lx2 = (unsigned int)lightprops(n2,0), ly2 = (unsigned int)lightprops(n2,1), + lx3 = (unsigned int)lightprops(n3,0), ly3 = (unsigned int)lightprops(n3,1); + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opac). + draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opac); + else + draw_triangle(x0,y0,x1,y1,x2,y2,color,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opac). + draw_triangle(x0,y0,x2,y2,x3,y3,color,light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opac); +#ifdef cimg_use_board + if (pboard) { + const float + l0 = light_texture((int)(light_texture.dimx()/2*(1+lx0)), (int)(light_texture.dimy()/2*(1+ly0))), + l1 = light_texture((int)(light_texture.dimx()/2*(1+lx1)), (int)(light_texture.dimy()/2*(1+ly1))), + l2 = light_texture((int)(light_texture.dimx()/2*(1+lx2)), (int)(light_texture.dimy()/2*(1+ly2))), + l3 = light_texture((int)(light_texture.dimx()/2*(1+lx3)), (int)(light_texture.dimy()/2*(1+ly3))); + board.setPenColorRGBi((unsigned char)(color[0]), + (unsigned char)(color[1]), + (unsigned char)(color[2]), + (unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,l0, + (float)x1,dimy()-(float)y1,l1, + (float)x2,dimy()-(float)y2,l2); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,l0, + (float)x2,dimy()-(float)y2,l2, + (float)x3,dimy()-(float)y3,l3); + } +#endif + } break; + } + } break; + case 9 : { // Textured triangle + const unsigned int + n0 = (unsigned int)primitive[0], + n1 = (unsigned int)primitive[1], + n2 = (unsigned int)primitive[2], + tx0 = (unsigned int)primitive[3], + ty0 = (unsigned int)primitive[4], + tx1 = (unsigned int)primitive[5], + ty1 = (unsigned int)primitive[6], + tx2 = (unsigned int)primitive[7], + ty2 = (unsigned int)primitive[8]; + const int + x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), + x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), + x2 = (int)projections(n2,0), y2 = (int)projections(n2,1); + const float + z0 = points(n0,2) + Z + focale, + z1 = points(n1,2) + Z + focale, + z2 = points(n2,2) + Z + focale; + switch (render_type) { + case 0 : + draw_point(x0,y0,color.get_vector_at(tx0,ty0),opac). + draw_point(x1,y1,color.get_vector_at(tx1,ty1),opac). + draw_point(x2,y2,color.get_vector_at(tx2,ty2),opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.drawCircle((float)x0,dimy()-(float)y0,0); + board.drawCircle((float)x1,dimy()-(float)y1,0); + board.drawCircle((float)x2,dimy()-(float)y2,0); + } +#endif + break; + case 1 : + if (zbuffer) + draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opac). + draw_line(zbuffer,x0,y0,z0,x2,y2,z2,color,tx0,ty0,tx2,ty2,opac). + draw_line(zbuffer,x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opac); + else + draw_line(x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opac). + draw_line(x0,y0,z0,x2,y2,z2,color,tx0,ty0,tx2,ty2,opac). + draw_line(x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.drawLine((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1); + board.drawLine((float)x0,dimy()-(float)y0,(float)x2,dimy()-(float)y2); + board.drawLine((float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + } +#endif + break; + case 2 : + if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac); + else draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + } +#endif + break; + case 3 : + if (zbuffer) draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac,lightprops(l)); + else draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac,lightprops(l)); +#ifdef cimg_use_board + if (pboard) { + const float lp = cimg::min(lightprops(l),1); + board.setPenColorRGBi((unsigned char)(128*lp), + (unsigned char)(128*lp), + (unsigned char)(128*lp), + (unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + } +#endif + break; + case 4 : + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,lightprops(n0),lightprops(n1),lightprops(n2),opac); + else + draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,lightprops(n0),lightprops(n1),lightprops(n2),opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,lightprops(n0), + (float)x1,dimy()-(float)y1,lightprops(n1), + (float)x2,dimy()-(float)y2,lightprops(n2)); + } +#endif + break; + case 5 : + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,light_texture, + (unsigned int)lightprops(n0,0), (unsigned int)lightprops(n0,1), + (unsigned int)lightprops(n1,0), (unsigned int)lightprops(n1,1), + (unsigned int)lightprops(n2,0), (unsigned int)lightprops(n2,1), + opac); + else + draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,light_texture, + (unsigned int)lightprops(n0,0), (unsigned int)lightprops(n0,1), + (unsigned int)lightprops(n1,0), (unsigned int)lightprops(n1,1), + (unsigned int)lightprops(n2,0), (unsigned int)lightprops(n2,1), + opac); +#ifdef cimg_use_board + if (pboard) { + const float + l0 = light_texture((int)(light_texture.dimx()/2*(1+lightprops(n0,0))), (int)(light_texture.dimy()/2*(1+lightprops(n0,1)))), + l1 = light_texture((int)(light_texture.dimx()/2*(1+lightprops(n1,0))), (int)(light_texture.dimy()/2*(1+lightprops(n1,1)))), + l2 = light_texture((int)(light_texture.dimx()/2*(1+lightprops(n2,0))), (int)(light_texture.dimy()/2*(1+lightprops(n2,1)))); + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,l0,(float)x1,dimy()-(float)y1,l1,(float)x2,dimy()-(float)y2,l2); + } +#endif + break; + } + } break; + case 12 : { // Textured rectangle + const unsigned int + n0 = (unsigned int)primitive[0], + n1 = (unsigned int)primitive[1], + n2 = (unsigned int)primitive[2], + n3 = (unsigned int)primitive[3], + tx0 = (unsigned int)primitive[4], + ty0 = (unsigned int)primitive[5], + tx1 = (unsigned int)primitive[6], + ty1 = (unsigned int)primitive[7], + tx2 = (unsigned int)primitive[8], + ty2 = (unsigned int)primitive[9], + tx3 = (unsigned int)primitive[10], + ty3 = (unsigned int)primitive[11]; + const int + x0 = (int)projections(n0,0), y0 = (int)projections(n0,1), + x1 = (int)projections(n1,0), y1 = (int)projections(n1,1), + x2 = (int)projections(n2,0), y2 = (int)projections(n2,1), + x3 = (int)projections(n3,0), y3 = (int)projections(n3,1); + const float + z0 = points(n0,2) + Z + focale, + z1 = points(n1,2) + Z + focale, + z2 = points(n2,2) + Z + focale, + z3 = points(n3,2) + Z + focale; + switch (render_type) { + case 0 : + draw_point(x0,y0,color.get_vector_at(tx0,ty0),opac). + draw_point(x1,y1,color.get_vector_at(tx1,ty1),opac). + draw_point(x2,y2,color.get_vector_at(tx2,ty2),opac). + draw_point(x3,y3,color.get_vector_at(tx3,ty3),opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.drawCircle((float)x0,dimy()-(float)y0,0); + board.drawCircle((float)x1,dimy()-(float)y1,0); + board.drawCircle((float)x2,dimy()-(float)y2,0); + board.drawCircle((float)x3,dimy()-(float)y3,0); + } +#endif + break; + case 1 : + if (zbuffer) + draw_line(zbuffer,x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opac). + draw_line(zbuffer,x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opac). + draw_line(zbuffer,x2,y2,z2,x3,y3,z3,color,tx2,ty2,tx3,ty3,opac). + draw_line(zbuffer,x3,y3,z3,x0,y0,z0,color,tx3,ty3,tx0,ty0,opac); + else + draw_line(x0,y0,z0,x1,y1,z1,color,tx0,ty0,tx1,ty1,opac). + draw_line(x1,y1,z1,x2,y2,z2,color,tx1,ty1,tx2,ty2,opac). + draw_line(x2,y2,z2,x3,y3,z3,color,tx2,ty2,tx3,ty3,opac). + draw_line(x3,y3,z3,x0,y0,z0,color,tx3,ty3,tx0,ty0,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.drawLine((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1); + board.drawLine((float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + board.drawLine((float)x2,dimy()-(float)y2,(float)x3,dimy()-(float)y3); + board.drawLine((float)x3,dimy()-(float)y3,(float)x0,dimy()-(float)y0); + } +#endif + break; + case 2 : + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac). + draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opac); + else + draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac). + draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x2,dimy()-(float)y2,(float)x3,dimy()-(float)y3); + } +#endif + break; + case 3 : + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac,lightprops(l)). + draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opac,lightprops(l)); + else + draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,opac,lightprops(l)). + draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,opac,lightprops(l)); +#ifdef cimg_use_board + if (pboard) { + const float lp = cimg::min(lightprops(l),1); + board.setPenColorRGBi((unsigned char)(128*lp), + (unsigned char)(128*lp), + (unsigned char)(128*lp), + (unsigned char)(opac*255)); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x1,dimy()-(float)y1,(float)x2,dimy()-(float)y2); + board.fillTriangle((float)x0,dimy()-(float)y0,(float)x2,dimy()-(float)y2,(float)x3,dimy()-(float)y3); + } +#endif + break; + case 4 : { + const float + lightprop0 = lightprops(n0), lightprop1 = lightprops(n1), + lightprop2 = lightprops(n2), lightprop3 = lightprops(n3); + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,lightprop0,lightprop1,lightprop2,opac). + draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,lightprop0,lightprop2,lightprop3,opac); + else + draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,lightprop0,lightprop1,lightprop2,opac). + draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,lightprop0,lightprop2,lightprop3,opac); +#ifdef cimg_use_board + if (pboard) { + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,lightprop0, + (float)x1,dimy()-(float)y1,lightprop1, + (float)x2,dimy()-(float)y2,lightprop2); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,lightprop0, + (float)x2,dimy()-(float)y2,lightprop2, + (float)x3,dimy()-(float)y3,lightprop3); + } +#endif + } break; + case 5 : { + const unsigned int + lx0 = (unsigned int)lightprops(n0,0), ly0 = (unsigned int)lightprops(n0,1), + lx1 = (unsigned int)lightprops(n1,0), ly1 = (unsigned int)lightprops(n1,1), + lx2 = (unsigned int)lightprops(n2,0), ly2 = (unsigned int)lightprops(n2,1), + lx3 = (unsigned int)lightprops(n3,0), ly3 = (unsigned int)lightprops(n3,1); + if (zbuffer) + draw_triangle(zbuffer,x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opac). + draw_triangle(zbuffer,x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opac); + else + draw_triangle(x0,y0,z0,x1,y1,z1,x2,y2,z2,color,tx0,ty0,tx1,ty1,tx2,ty2,light_texture,lx0,ly0,lx1,ly1,lx2,ly2,opac). + draw_triangle(x0,y0,z0,x2,y2,z2,x3,y3,z3,color,tx0,ty0,tx2,ty2,tx3,ty3,light_texture,lx0,ly0,lx2,ly2,lx3,ly3,opac); +#ifdef cimg_use_board + if (pboard) { + const float + l0 = light_texture((int)(light_texture.dimx()/2*(1+lx0)), (int)(light_texture.dimy()/2*(1+ly0))), + l1 = light_texture((int)(light_texture.dimx()/2*(1+lx1)), (int)(light_texture.dimy()/2*(1+ly1))), + l2 = light_texture((int)(light_texture.dimx()/2*(1+lx2)), (int)(light_texture.dimy()/2*(1+ly2))), + l3 = light_texture((int)(light_texture.dimx()/2*(1+lx3)), (int)(light_texture.dimy()/2*(1+ly3))); + board.setPenColorRGBi(128,128,128,(unsigned char)(opac*255)); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,l0, + (float)x1,dimy()-(float)y1,l1, + (float)x2,dimy()-(float)y2,l2); + board.fillGouraudTriangle((float)x0,dimy()-(float)y0,l0, + (float)x2,dimy()-(float)y2,l2, + (float)x3,dimy()-(float)y3,l3); + } +#endif + } break; + } + } break; + } + } + } + return *this; + } + + //! Draw a 3D object. + /** + \param X = X-coordinate of the 3d object position + \param Y = Y-coordinate of the 3d object position + \param Z = Z-coordinate of the 3d object position + \param points = Image N*3 describing 3D point coordinates + \param primitives = List of P primitives + \param colors = List of P color (or textures) + \param opacities = Image of P opacities + \param render_type = Render type (0=Points, 1=Lines, 2=Faces (no light), 3=Faces (flat), 4=Faces(Gouraud) + \param double_sided = Tell if object faces have two sides or are oriented. + \param focale = length of the focale + \param lightx = X-coordinate of the light + \param lighty = Y-coordinate of the light + \param lightz = Z-coordinate of the light + \param specular_shine = Shininess of the object + **/ + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(const float x0, const float y0, const float z0, + const CImg<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImgList<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d(0,zbuffer,x0,y0,z0,points.height<3?points:points.get_resize(-100,3,1,1,0),points.width, + primitives,colors,opacities,opacities.size, + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } + +#ifdef cimg_use_board + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(BoardLib::Board& board, + const float x0, const float y0, const float z0, + const CImg<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImgList<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d((void*)&board,zbuffer,x0,y0,z0,points.height<3?points:points.get_resize(-100,3,1,1,0),points.width, + primitives,colors,opacities,opacities.size, + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } +#endif + + //! Draw a 3D object. + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(const float x0, const float y0, const float z0, + const CImgList<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImgList<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d(0,zbuffer,x0,y0,z0,points,points.size,primitives,colors,opacities,opacities.size, + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } + +#ifdef cimg_use_board + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(BoardLib::Board& board, + const float x0, const float y0, const float z0, + const CImgList<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImgList<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d((void*)&board,zbuffer,x0,y0,z0,points,points.size,primitives,colors,opacities,opacities.size, + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } +#endif + + //! Draw a 3D object. + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(const float x0, const float y0, const float z0, + const CImg<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImg<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d(0,zbuffer,x0,y0,z0,points.height<3?points:points.get_resize(-100,3,1,1,0),points.width, + primitives,colors,opacities,opacities.size(), + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } + +#ifdef cimg_use_board + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(BoardLib::Board& board, + const float x0, const float y0, const float z0, + const CImg<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImg<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d((void*)&board,zbuffer,x0,y0,z0,points.height<3?points:points.get_resize(-100,3,1,1,0),points.width + ,primitives,colors,opacities,opacities.size(), + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } +#endif + + //! Draw a 3D object. + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(const float x0, const float y0, const float z0, + const CImgList<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImg<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d(0,zbuffer,x0,y0,z0,points,points.size,primitives,colors,opacities,opacities.size(), + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } + +#ifdef cimg_use_board + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(BoardLib::Board& board, + const float x0, const float y0, const float z0, + const CImgList<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const CImg<to>& opacities, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + if (!points) return *this; + return _draw_object3d((void*)&board,zbuffer,x0,y0,z0,points,points.size,primitives,colors,opacities,opacities.size(), + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine); + } +#endif + + //! Draw a 3D object. + template<typename tp, typename tf, typename tc> + CImg<T>& draw_object3d(const float x0, const float y0, const float z0, + const tp& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + static const CImg<floatT> opacities; + return draw_object3d(x0,y0,z0,points,primitives,colors,opacities, + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine,zbuffer); + } + +#ifdef cimg_use_board + template<typename tp, typename tf, typename tc, typename to> + CImg<T>& draw_object3d(BoardLib::Board& board, + const float x0, const float y0, const float z0, + const tp& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, + const unsigned int render_type=4, + const bool double_sided=false, const float focale=500, + const float lightx=0, const float lighty=0, const float lightz=-5000, + const float specular_light=0.2f, const float specular_shine=0.1f, + float *const zbuffer=0) { + static const CImg<floatT> opacities; + return draw_object3d(x0,y0,z0,points,primitives,colors,opacities, + render_type,double_sided,focale,lightx,lighty,lightz,specular_light,specular_shine,zbuffer); + } +#endif + + //@} + //---------------------------- + // + //! \name Image Filtering + //@{ + //---------------------------- + + //! Compute the correlation of the instance image by a mask. + /** + The correlation of the instance image \p *this by the mask \p mask is defined to be : + + res(x,y,z) = sum_{i,j,k} (*this)(x+i,y+j,z+k)*mask(i,j,k) + + \param mask = the correlation kernel. + \param cond = the border condition type (0=zero, 1=dirichlet) + \param weighted_correl = enable local normalization. + **/ + template<typename t> + CImg<T>& correlate(const CImg<t>& mask, const unsigned int cond=1, const bool weighted_correl=false) { + return get_correlate(mask,cond,weighted_correl).transfer_to(*this); + } + + template<typename t> + CImg<typename cimg::superset2<T,t,float>::type> get_correlate(const CImg<t>& mask, const unsigned int cond=1, + const bool weighted_correl=false) const { + typedef typename cimg::superset2<T,t,float>::type Ttfloat; + if (is_empty()) return *this; + if (!mask || mask.dim!=1) + throw CImgArgumentException("CImg<%s>::correlate() : Specified mask (%u,%u,%u,%u,%p) is not scalar.", + pixel_type(),mask.width,mask.height,mask.depth,mask.dim,mask.data); + CImg<Ttfloat> dest(width,height,depth,dim); + if (cond && mask.width==mask.height && ((mask.depth==1 && mask.width<=5) || (mask.depth==mask.width && mask.width<=3))) { + // A special optimization is done for 2x2, 3x3, 4x4, 5x5, 2x2x2 and 3x3x3 mask (with cond=1) + switch (mask.depth) { + case 3 : { + T I[27] = { 0 }; + cimg_forZV(*this,z,v) cimg_for3x3x3(*this,x,y,z,v,I) dest(x,y,z,v) = (Ttfloat) + (I[ 0]*mask[ 0] + I[ 1]*mask[ 1] + I[ 2]*mask[ 2] + + I[ 3]*mask[ 3] + I[ 4]*mask[ 4] + I[ 5]*mask[ 5] + + I[ 6]*mask[ 6] + I[ 7]*mask[ 7] + I[ 8]*mask[ 8] + + I[ 9]*mask[ 9] + I[10]*mask[10] + I[11]*mask[11] + + I[12]*mask[12] + I[13]*mask[13] + I[14]*mask[14] + + I[15]*mask[15] + I[16]*mask[16] + I[17]*mask[17] + + I[18]*mask[18] + I[19]*mask[19] + I[20]*mask[20] + + I[21]*mask[21] + I[22]*mask[22] + I[23]*mask[23] + + I[24]*mask[24] + I[25]*mask[25] + I[26]*mask[26]); + if (weighted_correl) cimg_forZV(*this,z,v) cimg_for3x3x3(*this,x,y,z,v,I) { + const double weight = (double)(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + + I[ 3]*I[ 3] + I[ 4]*I[ 4] + I[ 5]*I[ 5] + + I[ 6]*I[ 6] + I[ 7]*I[ 7] + I[ 8]*I[ 8] + + I[ 9]*I[ 9] + I[10]*I[10] + I[11]*I[11] + + I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + + I[15]*I[15] + I[16]*I[16] + I[17]*I[17] + + I[18]*I[18] + I[19]*I[19] + I[20]*I[20] + + I[21]*I[21] + I[22]*I[22] + I[23]*I[23] + + I[24]*I[24] + I[25]*I[25] + I[26]*I[26]); + if (weight>0) dest(x,y,z,v)/=(Ttfloat)cimg_std::sqrt(weight); + } + } break; + case 2 : { + T I[8] = { 0 }; + cimg_forZV(*this,z,v) cimg_for2x2x2(*this,x,y,z,v,I) dest(x,y,z,v) = (Ttfloat) + (I[0]*mask[0] + I[1]*mask[1] + + I[2]*mask[2] + I[3]*mask[3] + + I[4]*mask[4] + I[5]*mask[5] + + I[6]*mask[6] + I[7]*mask[7]); + if (weighted_correl) cimg_forZV(*this,z,v) cimg_for2x2x2(*this,x,y,z,v,I) { + const double weight = (double)(I[0]*I[0] + I[1]*I[1] + + I[2]*I[2] + I[3]*I[3] + + I[4]*I[4] + I[5]*I[5] + + I[6]*I[6] + I[7]*I[7]); + if (weight>0) dest(x,y,z,v)/=(Ttfloat)cimg_std::sqrt(weight); + } + } break; + default : + case 1 : + switch (mask.width) { + case 6 : { + T I[36] = { 0 }; + cimg_forZV(*this,z,v) cimg_for6x6(*this,x,y,z,v,I) dest(x,y,z,v) = (Ttfloat) + (I[ 0]*mask[ 0] + I[ 1]*mask[ 1] + I[ 2]*mask[ 2] + I[ 3]*mask[ 3] + I[ 4]*mask[ 4] + I[ 5]*mask[ 5] + + I[ 6]*mask[ 6] + I[ 7]*mask[ 7] + I[ 8]*mask[ 8] + I[ 9]*mask[ 9] + I[10]*mask[10] + I[11]*mask[11] + + I[12]*mask[12] + I[13]*mask[13] + I[14]*mask[14] + I[15]*mask[15] + I[16]*mask[16] + I[17]*mask[17] + + I[18]*mask[18] + I[19]*mask[19] + I[20]*mask[20] + I[21]*mask[21] + I[22]*mask[22] + I[23]*mask[23] + + I[24]*mask[24] + I[25]*mask[25] + I[26]*mask[26] + I[27]*mask[27] + I[28]*mask[28] + I[29]*mask[29] + + I[30]*mask[30] + I[31]*mask[31] + I[32]*mask[32] + I[33]*mask[33] + I[34]*mask[34] + I[35]*mask[35]); + if (weighted_correl) cimg_forZV(*this,z,v) cimg_for5x5(*this,x,y,z,v,I) { + const double weight = (double)(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + I[ 3]*I[ 3] + I[ 4]*I[ 4] + I[ 5]*I[ 5] + + I[ 6]*I[ 6] + I[ 7]*I[ 7] + I[ 8]*I[ 8] + I[ 9]*I[ 9] + I[10]*I[10] + I[11]*I[11] + + I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + I[15]*I[15] + I[16]*I[16] + I[17]*I[17] + + I[18]*I[18] + I[19]*I[19] + I[20]*I[20] + I[21]*I[21] + I[22]*I[22] + I[23]*I[23] + + I[24]*I[24] + I[25]*I[25] + I[26]*I[26] + I[27]*I[27] + I[28]*I[28] + I[29]*I[29] + + I[30]*I[30] + I[31]*I[31] + I[32]*I[32] + I[33]*I[33] + I[34]*I[34] + I[35]*I[35]); + if (weight>0) dest(x,y,z,v)/=(Ttfloat)cimg_std::sqrt(weight); + } + } break; + case 5 : { + T I[25] = { 0 }; + cimg_forZV(*this,z,v) cimg_for5x5(*this,x,y,z,v,I) dest(x,y,z,v) = (Ttfloat) + (I[ 0]*mask[ 0] + I[ 1]*mask[ 1] + I[ 2]*mask[ 2] + I[ 3]*mask[ 3] + I[ 4]*mask[ 4] + + I[ 5]*mask[ 5] + I[ 6]*mask[ 6] + I[ 7]*mask[ 7] + I[ 8]*mask[ 8] + I[ 9]*mask[ 9] + + I[10]*mask[10] + I[11]*mask[11] + I[12]*mask[12] + I[13]*mask[13] + I[14]*mask[14] + + I[15]*mask[15] + I[16]*mask[16] + I[17]*mask[17] + I[18]*mask[18] + I[19]*mask[19] + + I[20]*mask[20] + I[21]*mask[21] + I[22]*mask[22] + I[23]*mask[23] + I[24]*mask[24]); + if (weighted_correl) cimg_forZV(*this,z,v) cimg_for5x5(*this,x,y,z,v,I) { + const double weight = (double)(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + I[ 3]*I[ 3] + I[ 4]*I[ 4] + + I[ 5]*I[ 5] + I[ 6]*I[ 6] + I[ 7]*I[ 7] + I[ 8]*I[ 8] + I[ 9]*I[ 9] + + I[10]*I[10] + I[11]*I[11] + I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + + I[15]*I[15] + I[16]*I[16] + I[17]*I[17] + I[18]*I[18] + I[19]*I[19] + + I[20]*I[20] + I[21]*I[21] + I[22]*I[22] + I[23]*I[23] + I[24]*I[24]); + if (weight>0) dest(x,y,z,v)/=(Ttfloat)cimg_std::sqrt(weight); + } + } break; + case 4 : { + T I[16] = { 0 }; + cimg_forZV(*this,z,v) cimg_for4x4(*this,x,y,z,v,I) dest(x,y,z,v) = (Ttfloat) + (I[ 0]*mask[ 0] + I[ 1]*mask[ 1] + I[ 2]*mask[ 2] + I[ 3]*mask[ 3] + + I[ 4]*mask[ 4] + I[ 5]*mask[ 5] + I[ 6]*mask[ 6] + I[ 7]*mask[ 7] + + I[ 8]*mask[ 8] + I[ 9]*mask[ 9] + I[10]*mask[10] + I[11]*mask[11] + + I[12]*mask[12] + I[13]*mask[13] + I[14]*mask[14] + I[15]*mask[15]); + if (weighted_correl) cimg_forZV(*this,z,v) cimg_for4x4(*this,x,y,z,v,I) { + const double weight = (double)(I[ 0]*I[ 0] + I[ 1]*I[ 1] + I[ 2]*I[ 2] + I[ 3]*I[ 3] + + I[ 4]*I[ 4] + I[ 5]*I[ 5] + I[ 6]*I[ 6] + I[ 7]*I[ 7] + + I[ 8]*I[ 8] + I[ 9]*I[ 9] + I[10]*I[10] + I[11]*I[11] + + I[12]*I[12] + I[13]*I[13] + I[14]*I[14] + I[15]*I[15]); + if (weight>0) dest(x,y,z,v)/=(Ttfloat)cimg_std::sqrt(weight); + } + } break; + case 3 : { + T I[9] = { 0 }; + cimg_forZV(*this,z,v) cimg_for3x3(*this,x,y,z,v,I) dest(x,y,z,v) = (Ttfloat) + (I[0]*mask[0] + I[1]*mask[1] + I[2]*mask[2] + + I[3]*mask[3] + I[4]*mask[4] + I[5]*mask[5] + + I[6]*mask[6] + I[7]*mask[7] + I[8]*mask[8]); + if (weighted_correl) cimg_forZV(*this,z,v) cimg_for3x3(*this,x,y,z,v,I) { + const double weight = (double)(I[0]*I[0] + I[1]*I[1] + I[2]*I[2] + + I[3]*I[3] + I[4]*I[4] + I[5]*I[5] + + I[6]*I[6] + I[7]*I[7] + I[8]*I[8]); + if (weight>0) dest(x,y,z,v)/=(Ttfloat)cimg_std::sqrt(weight); + } + } break; + case 2 : { + T I[4] = { 0 }; + cimg_forZV(*this,z,v) cimg_for2x2(*this,x,y,z,v,I) dest(x,y,z,v) = (Ttfloat) + (I[0]*mask[0] + I[1]*mask[1] + + I[2]*mask[2] + I[3]*mask[3]); + if (weighted_correl) cimg_forZV(*this,z,v) cimg_for2x2(*this,x,y,z,v,I) { + const double weight = (double)(I[0]*I[0] + I[1]*I[1] + + I[2]*I[2] + I[3]*I[3]); + if (weight>0) dest(x,y,z,v)/=(Ttfloat)cimg_std::sqrt(weight); + } + } break; + case 1 : (dest.assign(*this))*=mask(0); break; + } + } + } else { // Generic version for other masks + const int + mx2 = mask.dimx()/2, my2 = mask.dimy()/2, mz2 = mask.dimz()/2, + mx1 = mx2 - 1 + (mask.dimx()%2), my1 = my2 - 1 + (mask.dimy()%2), mz1 = mz2 - 1 + (mask.dimz()%2), + mxe = dimx() - mx2, mye = dimy() - my2, mze = dimz() - mz2; + cimg_forV(*this,v) + if (!weighted_correl) { // Classical correlation + for (int z = mz1; z<mze; ++z) for (int y = my1; y<mye; ++y) for (int x = mx1; x<mxe; ++x) { + Ttfloat val = 0; + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) + val+=(*this)(x+xm,y+ym,z+zm,v)*mask(mx1+xm,my1+ym,mz1+zm); + dest(x,y,z,v) = (Ttfloat)val; + } + if (cond) + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Ttfloat val = 0; + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) + val+=_atXYZ(x+xm,y+ym,z+zm,v)*mask(mx1+xm,my1+ym,mz1+zm); + dest(x,y,z,v) = (Ttfloat)val; + } + else + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Ttfloat val = 0; + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) + val+=atXYZ(x+xm,y+ym,z+zm,v,0)*mask(mx1+xm,my1+ym,mz1+zm); + dest(x,y,z,v) = (Ttfloat)val; + } + } else { // Weighted correlation + for (int z = mz1; z<mze; ++z) for (int y = my1; y<mye; ++y) for (int x = mx1; x<mxe; ++x) { + Ttfloat val = 0, weight = 0; + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const Ttfloat cval = (Ttfloat)(*this)(x+xm,y+ym,z+zm,v); + val+=cval*mask(mx1+xm,my1+ym,mz1+zm); + weight+=cval*cval; + } + dest(x,y,z,v) = (weight>(Ttfloat)0)?(Ttfloat)(val/cimg_std::sqrt((double)weight)):(Ttfloat)0; + } + if (cond) + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Ttfloat val = 0, weight = 0; + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const Ttfloat cval = (Ttfloat)_atXYZ(x+xm,y+ym,z+zm,v); + val+=cval*mask(mx1+xm,my1+ym,mz1+zm); + weight+=cval*cval; + } + dest(x,y,z,v) = (weight>(Ttfloat)0)?(Ttfloat)(val/cimg_std::sqrt((double)weight)):(Ttfloat)0; + } + else + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Ttfloat val = 0, weight = 0; + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const Ttfloat cval = (Ttfloat)atXYZ(x+xm,y+ym,z+zm,v,0); + val+=cval*mask(mx1+xm,my1+ym,mz1+zm); + weight+=cval*cval; + } + dest(x,y,z,v) = (weight>(Ttfloat)0)?(Ttfloat)(val/cimg_std::sqrt((double)weight)):(Ttfloat)0; + } + } + } + return dest; + } + + //! Compute the convolution of the image by a mask. + /** + The result \p res of the convolution of an image \p img by a mask \p mask is defined to be : + + res(x,y,z) = sum_{i,j,k} img(x-i,y-j,z-k)*mask(i,j,k) + + \param mask = the correlation kernel. + \param cond = the border condition type (0=zero, 1=dirichlet) + \param weighted_convol = enable local normalization. + **/ + template<typename t> + CImg<T>& convolve(const CImg<t>& mask, const unsigned int cond=1, const bool weighted_convol=false) { + return get_convolve(mask,cond,weighted_convol).transfer_to(*this); + } + + template<typename t> + CImg<typename cimg::superset2<T,t,float>::type> get_convolve(const CImg<t>& mask, const unsigned int cond=1, + const bool weighted_convol=false) const { + typedef typename cimg::superset2<T,t,float>::type Ttfloat; + if (is_empty()) return *this; + if (!mask || mask.dim!=1) + throw CImgArgumentException("CImg<%s>::convolve() : Specified mask (%u,%u,%u,%u,%p) is not scalar.", + pixel_type(),mask.width,mask.height,mask.depth,mask.dim,mask.data); + return get_correlate(CImg<t>(mask.ptr(),mask.size(),1,1,1,true).get_mirror('x').resize(mask,-1),cond,weighted_convol); + } + + //! Return the erosion of the image by a structuring element. + template<typename t> + CImg<T>& erode(const CImg<t>& mask, const unsigned int cond=1, const bool weighted_erosion=false) { + return get_erode(mask,cond,weighted_erosion).transfer_to(*this); + } + + template<typename t> + CImg<typename cimg::superset<T,t>::type> get_erode(const CImg<t>& mask, const unsigned int cond=1, + const bool weighted_erosion=false) const { + typedef typename cimg::superset<T,t>::type Tt; + if (is_empty()) return *this; + if (!mask || mask.dim!=1) + throw CImgArgumentException("CImg<%s>::erode() : Specified mask (%u,%u,%u,%u,%p) is not a scalar image.", + pixel_type(),mask.width,mask.height,mask.depth,mask.dim,mask.data); + CImg<Tt> dest(width,height,depth,dim); + const int + mx2 = mask.dimx()/2, my2 = mask.dimy()/2, mz2 = mask.dimz()/2, + mx1 = mx2 - 1 + (mask.dimx()%2), my1 = my2 - 1 + (mask.dimy()%2), mz1 = mz2 - 1 + (mask.dimz()%2), + mxe = dimx() - mx2, mye = dimy() - my2, mze = dimz() - mz2; + cimg_forV(*this,v) + if (!weighted_erosion) { // Classical erosion + for (int z = mz1; z<mze; ++z) for (int y = my1; y<mye; ++y) for (int x = mx1; x<mxe; ++x) { + Tt min_val = cimg::type<Tt>::max(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const Tt cval = (Tt)(*this)(x+xm,y+ym,z+zm,v); + if (mask(mx1+xm,my1+ym,mz1+zm) && cval<min_val) min_val = cval; + } + dest(x,y,z,v) = min_val; + } + if (cond) + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt min_val = cimg::type<Tt>::max(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const T cval = (Tt)_atXYZ(x+xm,y+ym,z+zm,v); + if (mask(mx1+xm,my1+ym,mz1+zm) && cval<min_val) min_val = cval; + } + dest(x,y,z,v) = min_val; + } + else + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt min_val = cimg::type<Tt>::max(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const T cval = (Tt)atXYZ(x+xm,y+ym,z+zm,v,0); + if (mask(mx1+xm,my1+ym,mz1+zm) && cval<min_val) min_val = cval; + } + dest(x,y,z,v) = min_val; + } + } else { // Weighted erosion + for (int z = mz1; z<mze; ++z) for (int y = my1; y<mye; ++y) for (int x = mx1; x<mxe; ++x) { + Tt min_val = cimg::type<Tt>::max(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const t mval = mask(mx1+xm,my1+ym,mz1+zm); + const Tt cval = (Tt)((*this)(x+xm,y+ym,z+zm,v) + mval); + if (mval && cval<min_val) min_val = cval; + } + dest(x,y,z,v) = min_val; + } + if (cond) + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt min_val = cimg::type<Tt>::max(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const t mval = mask(mx1+xm,my1+ym,mz1+zm); + const Tt cval = (Tt)(_atXYZ(x+xm,y+ym,z+zm,v) + mval); + if (mval && cval<min_val) min_val = cval; + } + dest(x,y,z,v) = min_val; + } + else + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt min_val = cimg::type<Tt>::max(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const t mval = mask(mx1+xm,my1+ym,mz1+zm); + const Tt cval = (Tt)(atXYZ(x+xm,y+ym,z+zm,v,0) + mval); + if (mval && cval<min_val) min_val = cval; + } + dest(x,y,z,v) = min_val; + } + } + return dest; + } + + //! Erode the image by a square structuring element of size n. + CImg<T>& erode(const unsigned int n, const unsigned int cond=1) { + if (n<2) return *this; + return get_erode(n,cond).transfer_to(*this); + } + + CImg<T> get_erode(const unsigned int n, const unsigned int cond=1) const { + static CImg<T> mask; + if (n<2) return *this; + if (mask.width!=n) mask.assign(n,n,1,1,1); + const CImg<T> res = get_erode(mask,cond,false); + if (n>20) mask.assign(); + return res; + } + + //! Dilate the image by a structuring element. + template<typename t> + CImg<T>& dilate(const CImg<t>& mask, const unsigned int cond=1, const bool weighted_dilatation=false) { + return get_dilate(mask,cond,weighted_dilatation).transfer_to(*this); + } + + template<typename t> + CImg<typename cimg::superset<T,t>::type> get_dilate(const CImg<t>& mask, const unsigned int cond=1, + const bool weighted_dilatation=false) const { + typedef typename cimg::superset<T,t>::type Tt; + if (is_empty()) return *this; + if (!mask || mask.dim!=1) + throw CImgArgumentException("CImg<%s>::dilate() : Specified mask (%u,%u,%u,%u,%p) is not a scalar image.", + pixel_type(),mask.width,mask.height,mask.depth,mask.dim,mask.data); + CImg<Tt> dest(width,height,depth,dim); + const int + mx2 = mask.dimx()/2, my2 = mask.dimy()/2, mz2 = mask.dimz()/2, + mx1 = mx2 - 1 + (mask.dimx()%2), my1 = my2 - 1 + (mask.dimy()%2), mz1 = mz2 - 1 + (mask.dimz()%2), + mxe = dimx() - mx2, mye = dimy() - my2, mze = dimz() - mz2; + cimg_forV(*this,v) + if (!weighted_dilatation) { // Classical dilatation + for (int z = mz1; z<mze; ++z) for (int y = my1; y<mye; ++y) for (int x = mx1; x<mxe; ++x) { + Tt max_val = cimg::type<Tt>::min(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const Tt cval = (Tt)(*this)(x+xm,y+ym,z+zm,v); + if (mask(mx1+xm,my1+ym,mz1+zm) && cval>max_val) max_val = cval; + } + dest(x,y,z,v) = max_val; + } + if (cond) + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt max_val = cimg::type<Tt>::min(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const T cval = (Tt)_atXYZ(x+xm,y+ym,z+zm,v); + if (mask(mx1+xm,my1+ym,mz1+zm) && cval>max_val) max_val = cval; + } + dest(x,y,z,v) = max_val; + } + else + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt max_val = cimg::type<Tt>::min(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const T cval = (Tt)atXYZ(x+xm,y+ym,z+zm,v,0); + if (mask(mx1+xm,my1+ym,mz1+zm) && cval>max_val) max_val = cval; + } + dest(x,y,z,v) = max_val; + } + } else { // Weighted dilatation + for (int z = mz1; z<mze; ++z) for (int y = my1; y<mye; ++y) for (int x = mx1; x<mxe; ++x) { + Tt max_val = cimg::type<Tt>::min(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const t mval = mask(mx1+xm,my1+ym,mz1+zm); + const Tt cval = (Tt)((*this)(x+xm,y+ym,z+zm,v) - mval); + if (mval && cval>max_val) max_val = cval; + } + dest(x,y,z,v) = max_val; + } + if (cond) + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt max_val = cimg::type<Tt>::min(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const t mval = mask(mx1+xm,my1+ym,mz1+zm); + const Tt cval = (Tt)(_atXYZ(x+xm,y+ym,z+zm,v) - mval); + if (mval && cval>max_val) max_val = cval; + } + dest(x,y,z,v) = max_val; + } + else + cimg_forYZV(*this,y,z,v) + for (int x = 0; x<dimx(); (y<my1 || y>=mye || z<mz1 || z>=mze)?++x:((x<mx1-1 || x>=mxe)?++x:(x=mxe))) { + Tt max_val = cimg::type<Tt>::min(); + for (int zm = -mz1; zm<=mz2; ++zm) for (int ym = -my1; ym<=my2; ++ym) for (int xm = -mx1; xm<=mx2; ++xm) { + const t mval = mask(mx1+xm,my1+ym,mz1+zm); + const Tt cval = (Tt)(atXYZ(x+xm,y+ym,z+zm,v,0) - mval); + if (mval && cval>max_val) max_val = cval; + } + dest(x,y,z,v) = max_val; + } + } + return dest; + } + + //! Dilate the image by a square structuring element of size n. + CImg<T>& dilate(const unsigned int n, const unsigned int cond=1) { + if (n<2) return *this; + return get_dilate(n,cond).transfer_to(*this); + } + + CImg<T> get_dilate(const unsigned int n, const unsigned int cond=1) const { + static CImg<T> mask; + if (n<2) return *this; + if (mask.width!=n) mask.assign(n,n,1,1,1); + const CImg<T> res = get_dilate(mask,cond,false); + if (n>20) mask.assign(); + return res; + } + + //! Add noise to the image. + /** + \param sigma = power of the noise. if sigma<0, it corresponds to the percentage of the maximum image value. + \param ntype = noise type. can be 0=gaussian, 1=uniform or 2=Salt and Pepper, 3=Poisson, 4=Rician. + \return A noisy version of the instance image. + **/ + CImg<T>& noise(const double sigma, const unsigned int noise_type=0) { + if (!is_empty()) { + double nsigma = sigma, max = (double)cimg::type<T>::max(), min = (double)cimg::type<T>::min(); + Tfloat m = 0, M = 0; + if (nsigma==0 && noise_type!=3) return *this; + if (nsigma<0 || noise_type==2) m = (Tfloat)minmax(M); + if (nsigma<0) nsigma = -nsigma*(M-m)/100.0; + switch (noise_type) { + case 0 : { // Gaussian noise + cimg_for(*this,ptr,T) { + double val = *ptr + nsigma*cimg::grand(); + if (val>max) val = max; + if (val<min) val = min; + *ptr = (T)val; + } + } break; + case 1 : { // Uniform noise + cimg_for(*this,ptr,T) { + double val = *ptr + nsigma*cimg::crand(); + if (val>max) val = max; + if (val<min) val = min; + *ptr = (T)val; + } + } break; + case 2 : { // Salt & Pepper noise + if (nsigma<0) nsigma = -nsigma; + if (M==m) { m = 0; M = (float)(cimg::type<T>::is_float()?1:cimg::type<T>::max()); } + cimg_for(*this,ptr,T) if (cimg::rand()*100<nsigma) *ptr = (T)(cimg::rand()<0.5?M:m); + } break; + + case 3 : { // Poisson Noise + cimg_for(*this,ptr,T) *ptr = (T)cimg::prand(*ptr); + } break; + + case 4 : { // Rice noise + const double sqrt2 = (double)cimg_std::sqrt(2.0); + cimg_for(*this,ptr,T) { + const double + val0 = (double)*ptr/sqrt2, + re = val0 + nsigma*cimg::grand(), + im = val0 + nsigma*cimg::grand(); + double val = cimg_std::sqrt(re*re + im*im); + if (val>max) val = max; + if (val<min) val = min; + *ptr = (T)val; + } + } break; + default : + throw CImgArgumentException("CImg<%s>::noise() : Invalid noise type %d " + "(should be {0=Gaussian, 1=Uniform, 2=Salt&Pepper, 3=Poisson}).",pixel_type(),noise_type); + } + } + return *this; + } + + CImg<T> get_noise(const double sigma, const unsigned int noise_type=0) const { + return (+*this).noise(sigma,noise_type); + } + + //! Compute the result of the Deriche filter. + /** + The Canny-Deriche filter is a recursive algorithm allowing to compute blurred derivatives of + order 0,1 or 2 of an image. + **/ + CImg<T>& deriche(const float sigma, const int order=0, const char axis='x', const bool cond=true) { +#define _cimg_deriche2_apply \ + Tfloat *ptrY = Y.data, yb = 0, yp = 0; \ + T xp = (T)0; \ + if (cond) { xp = *ptrX; yb = yp = (Tfloat)(coefp*xp); } \ + for (int m=0; m<N; ++m) { \ + const T xc = *ptrX; ptrX+=off; \ + const Tfloat yc = *(ptrY++) = (Tfloat)(a0*xc + a1*xp - b1*yp - b2*yb); \ + xp = xc; yb = yp; yp = yc; \ + } \ + T xn = (T)0, xa = (T)0; \ + Tfloat yn = 0, ya = 0; \ + if (cond) { xn = xa = *(ptrX-off); yn = ya = (Tfloat)coefn*xn; } \ + for (int n=N-1; n>=0; --n) { \ + const T xc = *(ptrX-=off); \ + const Tfloat yc = (Tfloat)(a2*xn + a3*xa - b1*yn - b2*ya); \ + xa = xn; xn = xc; ya = yn; yn = yc; \ + *ptrX = (T)(*(--ptrY)+yc); \ + } + if (sigma<0) + throw CImgArgumentException("CImg<%s>::deriche() : Given filter variance (sigma = %g) is negative", + pixel_type(),sigma); + if (is_empty() || (sigma<0.1 && !order)) return *this; + const float + nsigma = sigma<0.1f?0.1f:sigma, + alpha = 1.695f/nsigma, + ema = (float)cimg_std::exp(-alpha), + ema2 = (float)cimg_std::exp(-2*alpha), + b1 = -2*ema, + b2 = ema2; + float a0 = 0, a1 = 0, a2 = 0, a3 = 0, coefp = 0, coefn = 0; + switch (order) { + case 0 : { + const float k = (1-ema)*(1-ema)/(1+2*alpha*ema-ema2); + a0 = k; + a1 = k*(alpha-1)*ema; + a2 = k*(alpha+1)*ema; + a3 = -k*ema2; + } break; + case 1 : { + const float k = (1-ema)*(1-ema)/ema; + a0 = k*ema; + a1 = a3 = 0; + a2 = -a0; + } break; + case 2 : { + const float + ea = (float)cimg_std::exp(-alpha), + k = -(ema2-1)/(2*alpha*ema), + kn = (-2*(-1+3*ea-3*ea*ea+ea*ea*ea)/(3*ea+1+3*ea*ea+ea*ea*ea)); + a0 = kn; + a1 = -kn*(1+k*alpha)*ema; + a2 = kn*(1-k*alpha)*ema; + a3 = -kn*ema2; + } break; + default : + throw CImgArgumentException("CImg<%s>::deriche() : Given filter order (order = %u) must be 0,1 or 2", + pixel_type(),order); + } + coefp = (a0+a1)/(1+b1+b2); + coefn = (a2+a3)/(1+b1+b2); + switch (cimg::uncase(axis)) { + case 'x' : { + const int N = width, off = 1; + CImg<Tfloat> Y(N); + cimg_forYZV(*this,y,z,v) { T *ptrX = ptr(0,y,z,v); _cimg_deriche2_apply; } + } break; + case 'y' : { + const int N = height, off = width; + CImg<Tfloat> Y(N); + cimg_forXZV(*this,x,z,v) { T *ptrX = ptr(x,0,z,v); _cimg_deriche2_apply; } + } break; + case 'z' : { + const int N = depth, off = width*height; + CImg<Tfloat> Y(N); + cimg_forXYV(*this,x,y,v) { T *ptrX = ptr(x,y,0,v); _cimg_deriche2_apply; } + } break; + case 'v' : { + const int N = dim, off = width*height*depth; + CImg<Tfloat> Y(N); + cimg_forXYZ(*this,x,y,z) { T *ptrX = ptr(x,y,z,0); _cimg_deriche2_apply; } + } break; + } + return *this; + } + + CImg<Tfloat> get_deriche(const float sigma, const int order=0, const char axis='x', const bool cond=true) const { + return CImg<Tfloat>(*this,false).deriche(sigma,order,axis,cond); + } + + //! Return a blurred version of the image, using a Canny-Deriche filter. + /** + Blur the image with an anisotropic exponential filter (Deriche filter of order 0). + **/ + CImg<T>& blur(const float sigmax, const float sigmay, const float sigmaz, const bool cond=true) { + if (!is_empty()) { + if (width>1 && sigmax>0) deriche(sigmax,0,'x',cond); + if (height>1 && sigmay>0) deriche(sigmay,0,'y',cond); + if (depth>1 && sigmaz>0) deriche(sigmaz,0,'z',cond); + } + return *this; + } + + CImg<Tfloat> get_blur(const float sigmax, const float sigmay, const float sigmaz, + const bool cond=true) const { + return CImg<Tfloat>(*this,false).blur(sigmax,sigmay,sigmaz,cond); + } + + //! Return a blurred version of the image, using a Canny-Deriche filter. + CImg<T>& blur(const float sigma, const bool cond=true) { + return blur(sigma,sigma,sigma,cond); + } + + CImg<Tfloat> get_blur(const float sigma, const bool cond=true) const { + return CImg<Tfloat>(*this,false).blur(sigma,cond); + } + + //! Blur the image anisotropically following a field of diffusion tensors. + /** + \param G = Field of square roots of diffusion tensors used to drive the smoothing. + \param amplitude = amplitude of the smoothing. + \param dl = spatial discretization. + \param da = angular discretization. + \param gauss_prec = precision of the gaussian function. + \param interpolation Used interpolation scheme (0 = nearest-neighbor, 1 = linear, 2 = Runge-Kutta) + \param fast_approx = Tell to use the fast approximation or not. + **/ + template<typename t> + CImg<T>& blur_anisotropic(const CImg<t>& G, const float amplitude=60, const float dl=0.8f, const float da=30, + const float gauss_prec=2, const unsigned int interpolation_type=0, const bool fast_approx=true) { +#define _cimg_valign2d(i,j) \ + { Tfloat &u = W(i,j,0,0), &v = W(i,j,0,1); \ + if (u*curru + v*currv<0) { u=-u; v=-v; }} +#define _cimg_valign3d(i,j,k) \ + { Tfloat &u = W(i,j,k,0), &v = W(i,j,k,1), &w = W(i,j,k,2); \ + if (u*curru + v*currv + w*currw<0) { u=-u; v=-v; w=-w; }} + + // Check arguments and init variables + if (!is_empty() && amplitude>0) { + if (!G || (G.dim!=3 && G.dim!=6) || G.width!=width || G.height!=height || G.depth!=depth) + throw CImgArgumentException("CImg<%s>::blur_anisotropic() : Specified tensor field (%u,%u,%u,%u) is not valid.", + pixel_type(),G.width,G.height,G.depth,G.dim); + + const float sqrt2amplitude = (float)cimg_std::sqrt(2*amplitude); + const bool threed = (G.dim>=6); + const int + dx1 = dimx()-1, + dy1 = dimy()-1, + dz1 = dimz()-1; + CImg<Tfloat> + dest(width,height,depth,dim,0), + W(width,height,depth,threed?4:3), + tmp(dim); + int N = 0; + + if (threed) + // 3D version of the algorithm + for (float phi=(180%(int)da)/2.0f; phi<=180; phi+=da) { + const float + phir = (float)(phi*cimg::valuePI/180), + datmp = (float)(da/cimg_std::cos(phir)), + da2 = datmp<1?360.0f:datmp; + + for (float theta=0; theta<360; (theta+=da2),++N) { + const float + thetar = (float)(theta*cimg::valuePI/180), + vx = (float)(cimg_std::cos(thetar)*cimg_std::cos(phir)), + vy = (float)(cimg_std::sin(thetar)*cimg_std::cos(phir)), + vz = (float)cimg_std::sin(phir); + const t + *pa = G.ptr(0,0,0,0), + *pb = G.ptr(0,0,0,1), + *pc = G.ptr(0,0,0,2), + *pd = G.ptr(0,0,0,3), + *pe = G.ptr(0,0,0,4), + *pf = G.ptr(0,0,0,5); + Tfloat + *pd0 = W.ptr(0,0,0,0), + *pd1 = W.ptr(0,0,0,1), + *pd2 = W.ptr(0,0,0,2), + *pd3 = W.ptr(0,0,0,3); + cimg_forXYZ(G,xg,yg,zg) { + const t + a = *(pa++), b = *(pb++), c = *(pc++), + d = *(pd++), e = *(pe++), f = *(pf++); + const float + u = (float)(a*vx + b*vy + c*vz), + v = (float)(b*vx + d*vy + e*vz), + w = (float)(c*vx + e*vy + f*vz), + n = (float)cimg_std::sqrt(1e-5+u*u+v*v+w*w), + dln = dl/n; + *(pd0++) = (Tfloat)(u*dln); + *(pd1++) = (Tfloat)(v*dln); + *(pd2++) = (Tfloat)(w*dln); + *(pd3++) = (Tfloat)n; + } + + cimg_forXYZ(*this,x,y,z) { + tmp.fill(0); + const float + cu = (float)W(x,y,z,0), + cv = (float)W(x,y,z,1), + cw = (float)W(x,y,z,2), + n = (float)W(x,y,z,3), + fsigma = (float)(n*sqrt2amplitude), + length = gauss_prec*fsigma, + fsigma2 = 2*fsigma*fsigma; + float + S = 0, + pu = cu, + pv = cv, + pw = cw, + X = (float)x, + Y = (float)y, + Z = (float)z; + + switch (interpolation_type) { + case 0 : { + // Nearest neighbor + for (float l=0; l<length && X>=0 && X<=dx1 && Y>=0 && Y<=dy1 && Z>=0 && Z<=dz1; l+=dl) { + const int + cx = (int)(X+0.5f), + cy = (int)(Y+0.5f), + cz = (int)(Z+0.5f); + float + u = (float)W(cx,cy,cz,0), + v = (float)W(cx,cy,cz,1), + w = (float)W(cx,cy,cz,2); + if ((pu*u + pv*v + pw*w)<0) { u=-u; v=-v; w=-w; } + if (fast_approx) { cimg_forV(*this,k) tmp[k]+=(Tfloat)(*this)(cx,cy,cz,k); ++S; } + else { + const float coef = (float)cimg_std::exp(-l*l/fsigma2); + cimg_forV(*this,k) tmp[k]+=(Tfloat)(coef*(*this)(cx,cy,cz,k)); + S+=coef; + } + X+=(pu=u); Y+=(pv=v); Z+=(pw=w); + } + } break; + + case 1 : { + // Linear interpolation + for (float l=0; l<length && X>=0 && X<=dx1 && Y>=0 && Y<=dy1 && Z>=0 && Z<=dz1; l+=dl) { + const int + cx = (int)X, px = (cx-1<0)?0:cx-1, nx = (cx+1>dx1)?dx1:cx+1, + cy = (int)Y, py = (cy-1<0)?0:cy-1, ny = (cy+1>dy1)?dy1:cy+1, + cz = (int)Z, pz = (cz-1<0)?0:cz-1, nz = (cz+1>dz1)?dz1:cz+1; + const float + curru = (float)W(cx,cy,cz,0), + currv = (float)W(cx,cy,cz,1), + currw = (float)W(cx,cy,cz,2); + _cimg_valign3d(px,py,pz); _cimg_valign3d(cx,py,pz); _cimg_valign3d(nx,py,pz); + _cimg_valign3d(px,cy,pz); _cimg_valign3d(cx,cy,pz); _cimg_valign3d(nx,cy,pz); + _cimg_valign3d(px,ny,pz); _cimg_valign3d(cx,ny,pz); _cimg_valign3d(nx,ny,pz); + _cimg_valign3d(px,py,cz); _cimg_valign3d(cx,py,cz); _cimg_valign3d(nx,py,cz); + _cimg_valign3d(px,cy,cz); _cimg_valign3d(nx,cy,cz); + _cimg_valign3d(px,ny,cz); _cimg_valign3d(cx,ny,cz); _cimg_valign3d(nx,ny,cz); + _cimg_valign3d(px,py,nz); _cimg_valign3d(cx,py,nz); _cimg_valign3d(nx,py,nz); + _cimg_valign3d(px,cy,nz); _cimg_valign3d(cx,cy,nz); _cimg_valign3d(nx,cy,nz); + _cimg_valign3d(px,ny,nz); _cimg_valign3d(cx,ny,nz); _cimg_valign3d(nx,ny,nz); + float + u = (float)(W._linear_atXYZ(X,Y,Z,0)), + v = (float)(W._linear_atXYZ(X,Y,Z,1)), + w = (float)(W._linear_atXYZ(X,Y,Z,2)); + if ((pu*u + pv*v + pw*w)<0) { u=-u; v=-v; w=-w; } + if (fast_approx) { cimg_forV(*this,k) tmp[k]+=(Tfloat)_linear_atXYZ(X,Y,Z,k); ++S; } + else { + const float coef = (float)cimg_std::exp(-l*l/fsigma2); + cimg_forV(*this,k) tmp[k]+=(Tfloat)(coef*_linear_atXYZ(X,Y,Z,k)); + S+=coef; + } + X+=(pu=u); Y+=(pv=v); Z+=(pw=w); + } + } break; + + default : { + // 2nd order Runge Kutta + for (float l=0; l<length && X>=0 && X<=dx1 && Y>=0 && Y<=dy1 && Z>=0 && Z<=dz1; l+=dl) { + const int + cx = (int)X, px = (cx-1<0)?0:cx-1, nx = (cx+1>dx1)?dx1:cx+1, + cy = (int)Y, py = (cy-1<0)?0:cy-1, ny = (cy+1>dy1)?dy1:cy+1, + cz = (int)Z, pz = (cz-1<0)?0:cz-1, nz = (cz+1>dz1)?dz1:cz+1; + const float + curru = (float)W(cx,cy,cz,0), + currv = (float)W(cx,cy,cz,1), + currw = (float)W(cx,cy,cz,2); + _cimg_valign3d(px,py,pz); _cimg_valign3d(cx,py,pz); _cimg_valign3d(nx,py,pz); + _cimg_valign3d(px,cy,pz); _cimg_valign3d(cx,cy,pz); _cimg_valign3d(nx,cy,pz); + _cimg_valign3d(px,ny,pz); _cimg_valign3d(cx,ny,pz); _cimg_valign3d(nx,ny,pz); + _cimg_valign3d(px,py,cz); _cimg_valign3d(cx,py,cz); _cimg_valign3d(nx,py,cz); + _cimg_valign3d(px,cy,cz); _cimg_valign3d(nx,cy,cz); + _cimg_valign3d(px,ny,cz); _cimg_valign3d(cx,ny,cz); _cimg_valign3d(nx,ny,cz); + _cimg_valign3d(px,py,nz); _cimg_valign3d(cx,py,nz); _cimg_valign3d(nx,py,nz); + _cimg_valign3d(px,cy,nz); _cimg_valign3d(cx,cy,nz); _cimg_valign3d(nx,cy,nz); + _cimg_valign3d(px,ny,nz); _cimg_valign3d(cx,ny,nz); _cimg_valign3d(nx,ny,nz); + const float + u0 = (float)(0.5f*W._linear_atXYZ(X,Y,Z,0)), + v0 = (float)(0.5f*W._linear_atXYZ(X,Y,Z,1)), + w0 = (float)(0.5f*W._linear_atXYZ(X,Y,Z,2)); + float + u = (float)(W._linear_atXYZ(X+u0,Y+v0,Z+w0,0)), + v = (float)(W._linear_atXYZ(X+u0,Y+v0,Z+w0,1)), + w = (float)(W._linear_atXYZ(X+u0,Y+v0,Z+w0,2)); + if ((pu*u + pv*v + pw*w)<0) { u=-u; v=-v; w=-w; } + if (fast_approx) { cimg_forV(*this,k) tmp[k]+=(Tfloat)_linear_atXYZ(X,Y,Z,k); ++S; } + else { + const float coef = (float)cimg_std::exp(-l*l/fsigma2); + cimg_forV(*this,k) tmp[k]+=(Tfloat)(coef*_linear_atXYZ(X,Y,Z,k)); + S+=coef; + } + X+=(pu=u); Y+=(pv=v); Z+=(pw=w); + } + } break; + } + if (S>0) cimg_forV(dest,k) dest(x,y,z,k)+=tmp[k]/S; + else cimg_forV(dest,k) dest(x,y,z,k)+=(Tfloat)((*this)(x,y,z,k)); + cimg_plugin_greycstoration_count; + } + } + } else + // 2D version of the algorithm + for (float theta=(360%(int)da)/2.0f; theta<360; (theta+=da),++N) { + const float + thetar = (float)(theta*cimg::valuePI/180), + vx = (float)(cimg_std::cos(thetar)), + vy = (float)(cimg_std::sin(thetar)); + const t + *pa = G.ptr(0,0,0,0), + *pb = G.ptr(0,0,0,1), + *pc = G.ptr(0,0,0,2); + Tfloat + *pd0 = W.ptr(0,0,0,0), + *pd1 = W.ptr(0,0,0,1), + *pd2 = W.ptr(0,0,0,2); + cimg_forXY(G,xg,yg) { + const t a = *(pa++), b = *(pb++), c = *(pc++); + const float + u = (float)(a*vx + b*vy), + v = (float)(b*vx + c*vy), + n = (float)cimg_std::sqrt(1e-5+u*u+v*v), + dln = dl/n; + *(pd0++) = (Tfloat)(u*dln); + *(pd1++) = (Tfloat)(v*dln); + *(pd2++) = (Tfloat)n; + } + + cimg_forXY(*this,x,y) { + tmp.fill(0); + const float + cu = (float)W(x,y,0,0), + cv = (float)W(x,y,0,1), + n = (float)W(x,y,0,2), + fsigma = (float)(n*sqrt2amplitude), + length = gauss_prec*fsigma, + fsigma2 = 2*fsigma*fsigma; + float + S = 0, + pu = cu, + pv = cv, + X = (float)x, + Y = (float)y; + + switch (interpolation_type) { + + case 0 : { + // Nearest-neighbor interpolation for 2D images + for (float l=0; l<length && X>=0 && X<=dx1 && Y>=0 && Y<=dy1; l+=dl) { + const int + cx = (int)(X+0.5f), + cy = (int)(Y+0.5f); + float + u = (float)W(cx,cy,0,0), + v = (float)W(cx,cy,0,1); + if ((pu*u + pv*v)<0) { u=-u; v=-v; } + if (fast_approx) { cimg_forV(*this,k) tmp[k]+=(Tfloat)(*this)(cx,cy,0,k); ++S; } + else { + const float coef = (float)cimg_std::exp(-l*l/fsigma2); + cimg_forV(*this,k) tmp[k]+=(Tfloat)(coef*(*this)(cx,cy,0,k)); + S+=coef; + } + X+=(pu=u); Y+=(pv=v); + } + } break; + + case 1 : { + // Linear interpolation for 2D images + for (float l=0; l<length && X>=0 && X<=dx1 && Y>=0 && Y<=dy1; l+=dl) { + const int + cx = (int)X, px = (cx-1<0)?0:cx-1, nx = (cx+1>dx1)?dx1:cx+1, + cy = (int)Y, py = (cy-1<0)?0:cy-1, ny = (cy+1>dy1)?dy1:cy+1; + const float + curru = (float)W(cx,cy,0,0), + currv = (float)W(cx,cy,0,1); + _cimg_valign2d(px,py); _cimg_valign2d(cx,py); _cimg_valign2d(nx,py); + _cimg_valign2d(px,cy); _cimg_valign2d(nx,cy); + _cimg_valign2d(px,ny); _cimg_valign2d(cx,ny); _cimg_valign2d(nx,ny); + float + u = (float)(W._linear_atXY(X,Y,0,0)), + v = (float)(W._linear_atXY(X,Y,0,1)); + if ((pu*u + pv*v)<0) { u=-u; v=-v; } + if (fast_approx) { cimg_forV(*this,k) tmp[k]+=(Tfloat)_linear_atXY(X,Y,0,k); ++S; } + else { + const float coef = (float)cimg_std::exp(-l*l/fsigma2); + cimg_forV(*this,k) tmp[k]+=(Tfloat)(coef*_linear_atXY(X,Y,0,k)); + S+=coef; + } + X+=(pu=u); Y+=(pv=v); + } + } break; + + default : { + // 2nd-order Runge-kutta interpolation for 2D images + for (float l=0; l<length && X>=0 && X<=dx1 && Y>=0 && Y<=dy1; l+=dl) { + const int + cx = (int)X, px = (cx-1<0)?0:cx-1, nx = (cx+1>dx1)?dx1:cx+1, + cy = (int)Y, py = (cy-1<0)?0:cy-1, ny = (cy+1>dy1)?dy1:cy+1; + const float + curru = (float)W(cx,cy,0,0), + currv = (float)W(cx,cy,0,1); + _cimg_valign2d(px,py); _cimg_valign2d(cx,py); _cimg_valign2d(nx,py); + _cimg_valign2d(px,cy); _cimg_valign2d(nx,cy); + _cimg_valign2d(px,ny); _cimg_valign2d(cx,ny); _cimg_valign2d(nx,ny); + const float + u0 = (float)(0.5f*W._linear_atXY(X,Y,0,0)), + v0 = (float)(0.5f*W._linear_atXY(X,Y,0,1)); + float + u = (float)(W._linear_atXY(X+u0,Y+v0,0,0)), + v = (float)(W._linear_atXY(X+u0,Y+v0,0,1)); + if ((pu*u + pv*v)<0) { u=-u; v=-v; } + if (fast_approx) { cimg_forV(*this,k) tmp[k]+=(Tfloat)_linear_atXY(X,Y,0,k); ++S; } + else { + const float coef = (float)cimg_std::exp(-l*l/fsigma2); + cimg_forV(*this,k) tmp[k]+=(Tfloat)(coef*_linear_atXY(X,Y,0,k)); + S+=coef; + } + X+=(pu=u); Y+=(pv=v); + } + } + } + if (S>0) cimg_forV(dest,k) dest(x,y,0,k)+=tmp[k]/S; + else cimg_forV(dest,k) dest(x,y,0,k)+=(Tfloat)((*this)(x,y,0,k)); + cimg_plugin_greycstoration_count; + } + } + const Tfloat *ptrs = dest.data+dest.size(); + const T m = cimg::type<T>::min(), M = cimg::type<T>::max(); + cimg_for(*this,ptrd,T) { const Tfloat val = *(--ptrs)/N; *ptrd = val<m?m:(val>M?M:(T)val); } + } + return *this; + } + + template<typename t> + CImg<T> get_blur_anisotropic(const CImg<t>& G, const float amplitude=60, const float dl=0.8f, const float da=30, + const float gauss_prec=2, const unsigned int interpolation_type=0, const bool fast_approx=true) const { + return (+*this).blur_anisotropic(G,amplitude,dl,da,gauss_prec,interpolation_type,fast_approx); + } + + //! Blur an image in an anisotropic way. + /** + \param mask Binary mask. + \param amplitude Amplitude of the anisotropic blur. + \param sharpness Contour preservation. + \param anisotropy Smoothing anisotropy. + \param alpha Image pre-blurring (gaussian). + \param sigma Regularity of the tensor-valued geometry. + \param dl Spatial discretization. + \param da Angular discretization. + \param gauss_prec Precision of the gaussian function. + \param interpolation_type Used interpolation scheme (0 = nearest-neighbor, 1 = linear, 2 = Runge-Kutta) + \param fast_approx Tell to use the fast approximation or not + \param geom_factor Geometry factor. + **/ + template<typename tm> + CImg<T>& blur_anisotropic(const CImg<tm>& mask, const float amplitude, const float sharpness=0.7f, const float anisotropy=0.3f, + const float alpha=0.6f, const float sigma=1.1f, const float dl=0.8f, const float da=30, + const float gauss_prec=2, const unsigned int interpolation_type=0, const bool fast_approx=true, + const float geom_factor=1) { + if (!is_empty() && amplitude>0) { + if (amplitude==0) return *this; + if (amplitude<0 || sharpness<0 || anisotropy<0 || anisotropy>1 || alpha<0 || sigma<0 || dl<0 || da<0 || gauss_prec<0) + throw CImgArgumentException("CImg<%s>::blur_anisotropic() : Given parameters are amplitude(%g), sharpness(%g), " + "anisotropy(%g), alpha(%g), sigma(%g), dl(%g), da(%g), gauss_prec(%g).\n" + "Admissible parameters are in the range : amplitude>0, sharpness>0, anisotropy in [0,1], " + "alpha>0, sigma>0, dl>0, da>0, gauss_prec>0.", + pixel_type(),amplitude,sharpness,anisotropy,alpha,sigma,dl,da,gauss_prec); + const bool threed = (depth>1), no_mask = mask.is_empty(); + const float nsharpness = cimg::max(sharpness,1e-5f), power1 = 0.5f*nsharpness, power2 = power1/(1e-7f+1-anisotropy); + CImg<floatT> blurred = CImg<floatT>(*this,false).blur(alpha); + if (geom_factor>0) blurred*=geom_factor; + else blurred.normalize(0,-geom_factor); + + if (threed) { // Field for 3D volumes + cimg_plugin_greycstoration_lock; + CImg<floatT> val(3), vec(3,3), G(blurred.get_structure_tensor()); + if (sigma>0) G.blur(sigma); + cimg_forXYZ(*this,x,y,z) { + if (no_mask || mask(x,y,z)) { + G.get_tensor_at(x,y,z).symmetric_eigen(val,vec); + const float l1 = val[2], l2 = val[1], l3 = val[0], + ux = vec(0,0), uy = vec(0,1), uz = vec(0,2), + vx = vec(1,0), vy = vec(1,1), vz = vec(1,2), + wx = vec(2,0), wy = vec(2,1), wz = vec(2,2), + n1 = (float)cimg_std::pow(1+l1+l2+l3,-power1), + n2 = (float)cimg_std::pow(1+l1+l2+l3,-power2); + G(x,y,z,0) = n1*(ux*ux + vx*vx) + n2*wx*wx; + G(x,y,z,1) = n1*(ux*uy + vx*vy) + n2*wx*wy; + G(x,y,z,2) = n1*(ux*uz + vx*vz) + n2*wx*wz; + G(x,y,z,3) = n1*(uy*uy + vy*vy) + n2*wy*wy; + G(x,y,z,4) = n1*(uy*uz + vy*vz) + n2*wy*wz; + G(x,y,z,5) = n1*(uz*uz + vz*vz) + n2*wz*wz; + } else G(x,y,z,0) = G(x,y,z,1) = G(x,y,z,2) = G(x,y,z,3) = G(x,y,z,4) = G(x,y,z,5) = 0; + cimg_plugin_greycstoration_count; + } + cimg_plugin_greycstoration_unlock; + blur_anisotropic(G,amplitude,dl,da,gauss_prec,interpolation_type,fast_approx); + } else { // Field for 2D images + cimg_plugin_greycstoration_lock; + CImg<floatT> val(2), vec(2,2), G(blurred.get_structure_tensor()); + if (sigma>0) G.blur(sigma); + cimg_forXY(*this,x,y) { + if (no_mask || mask(x,y)) { + G.get_tensor_at(x,y).symmetric_eigen(val,vec); + const float l1 = val[1], l2 = val[0], + ux = vec(1,0), uy = vec(1,1), + vx = vec(0,0), vy = vec(0,1), + n1 = (float)cimg_std::pow(1+l1+l2,-power1), + n2 = (float)cimg_std::pow(1+l1+l2,-power2); + G(x,y,0,0) = n1*ux*ux + n2*vx*vx; + G(x,y,0,1) = n1*ux*uy + n2*vx*vy; + G(x,y,0,2) = n1*uy*uy + n2*vy*vy; + } else G(x,y,0,0) = G(x,y,0,1) = G(x,y,0,2) = 0; + cimg_plugin_greycstoration_count; + } + cimg_plugin_greycstoration_unlock; + blur_anisotropic(G,amplitude,dl,da,gauss_prec,interpolation_type,fast_approx); + } + } + return *this; + } + + template<typename tm> + CImg<T> get_blur_anisotropic(const CImg<tm>& mask, const float amplitude, const float sharpness=0.7f, const float anisotropy=0.3f, + const float alpha=0.6f, const float sigma=1.1f, const float dl=0.8f, + const float da=30, const float gauss_prec=2, const unsigned int interpolation_type=0, + const bool fast_approx=true, const float geom_factor=1) const { + return (+*this).blur_anisotropic(mask,amplitude,sharpness,anisotropy,alpha,sigma,dl,da,gauss_prec,interpolation_type,fast_approx,geom_factor); + } + + //! Blur an image following in an anisotropic way. + CImg<T>& blur_anisotropic(const float amplitude, const float sharpness=0.7f, const float anisotropy=0.3f, + const float alpha=0.6f, const float sigma=1.1f, const float dl=0.8f, const float da=30, + const float gauss_prec=2, const unsigned int interpolation_type=0, const bool fast_approx=true, + const float geom_factor=1) { + return blur_anisotropic(CImg<T>(),amplitude,sharpness,anisotropy,alpha,sigma,dl,da,gauss_prec,interpolation_type,fast_approx,geom_factor); + } + + CImg<T> get_blur_anisotropic(const float amplitude, const float sharpness=0.7f, const float anisotropy=0.3f, + const float alpha=0.6f, const float sigma=1.1f, const float dl=0.8f, + const float da=30, const float gauss_prec=2, const unsigned int interpolation_type=0, + const bool fast_approx=true, const float geom_factor=1) const { + return (+*this).blur_anisotropic(amplitude,sharpness,anisotropy,alpha,sigma,dl,da,gauss_prec,interpolation_type,fast_approx,geom_factor); + } + + //! Blur an image using the bilateral filter. + /** + \param sigmax Amount of blur along the X-axis. + \param sigmay Amount of blur along the Y-axis. + \param sigmaz Amount of blur along the Z-axis. + \param sigmar Amount of blur along the range axis. + \param bgridx Size of the bilateral grid along the X-axis. + \param bgridy Size of the bilateral grid along the Y-axis. + \param bgridz Size of the bilateral grid along the Z-axis. + \param bgridr Size of the bilateral grid along the range axis. + \param interpolation_type Use interpolation for image slicing. + \note This algorithm uses the optimisation technique proposed by S. Paris and F. Durand, in ECCV'2006 + (extended for 3D volumetric images). + **/ + CImg<T>& blur_bilateral(const float sigmax, const float sigmay, const float sigmaz, const float sigmar, + const int bgridx, const int bgridy, const int bgridz, const int bgridr, + const bool interpolation_type=true) { + T m, M = maxmin(m); + const float range = (float)(1.0f+M-m); + const unsigned int + bx0 = bgridx>=0?bgridx:width*(-bgridx)/100, + by0 = bgridy>=0?bgridy:height*(-bgridy)/100, + bz0 = bgridz>=0?bgridz:depth*(-bgridz)/100, + br0 = bgridr>=0?bgridr:(int)(-range*bgridr/100), + bx = bx0>0?bx0:1, + by = by0>0?by0:1, + bz = bz0>0?bz0:1, + br = br0>0?br0:1; + const float + nsigmax = sigmax*bx/width, + nsigmay = sigmay*by/height, + nsigmaz = sigmaz*bz/depth, + nsigmar = sigmar*br/range; + if (nsigmax>0 || nsigmay>0 || nsigmaz>0 || nsigmar>0) { + const bool threed = depth>1; + if (threed) { // 3d version of the algorithm + CImg<floatT> bgrid(bx,by,bz,br), bgridw(bx,by,bz,br); + cimg_forV(*this,k) { + bgrid.fill(0); bgridw.fill(0); + cimg_forXYZ(*this,x,y,z) { + const T val = (*this)(x,y,z,k); + const int X = x*bx/width, Y = y*by/height, Z = z*bz/depth, R = (int)((val-m)*br/range); + bgrid(X,Y,Z,R) = (float)val; + bgridw(X,Y,Z,R) = 1; + } + bgrid.blur(nsigmax,nsigmay,nsigmaz,true).deriche(nsigmar,0,'v',false); + bgridw.blur(nsigmax,nsigmay,nsigmaz,true).deriche(nsigmar,0,'v',false); + if (interpolation_type) cimg_forXYZ(*this,x,y,z) { + const T val = (*this)(x,y,z,k); + const float X = (float)x*bx/width, Y = (float)y*by/height, Z = (float)z*bz/depth, R = (float)((val-m)*br/range), + bval0 = bgrid._linear_atXYZV(X,Y,Z,R), bval1 = bgridw._linear_atXYZV(X,Y,Z,R); + (*this)(x,y,z,k) = (T)(bval0/bval1); + } else cimg_forXYZ(*this,x,y,z) { + const T val = (*this)(x,y,z,k); + const int X = x*bx/width, Y = y*by/height, Z = z*bz/depth, R = (int)((val-m)*br/range); + const float bval0 = bgrid(X,Y,Z,R), bval1 = bgridw(X,Y,Z,R); + (*this)(x,y,z,k) = (T)(bval0/bval1); + } + } + } else { // 2d version of the algorithm + CImg<floatT> bgrid(bx,by,br,2); + cimg_forV(*this,k) { + bgrid.fill(0); + cimg_forXY(*this,x,y) { + const T val = (*this)(x,y,k); + const int X = x*bx/width, Y = y*by/height, R = (int)((val-m)*br/range); + bgrid(X,Y,R,0) = (float)val; + bgrid(X,Y,R,1) = 1; + } + bgrid.blur(nsigmax,nsigmay,0,true).blur(0,0,nsigmar,false); + if (interpolation_type) cimg_forXY(*this,x,y) { + const T val = (*this)(x,y,k); + const float X = (float)x*bx/width, Y = (float)y*by/height, R = (float)((val-m)*br/range), + bval0 = bgrid._linear_atXYZ(X,Y,R,0), bval1 = bgrid._linear_atXYZ(X,Y,R,1); + (*this)(x,y,k) = (T)(bval0/bval1); + } else cimg_forXY(*this,x,y) { + const T val = (*this)(x,y,k); + const int X = x*bx/width, Y = y*by/height, R = (int)((val-m)*br/range); + const float bval0 = bgrid(X,Y,R,0), bval1 = bgrid(X,Y,R,1); + (*this)(x,y,k) = (T)(bval0/bval1); + } + } + } + } + return *this; + } + + CImg<T> get_blur_bilateral(const float sigmax, const float sigmay, const float sigmaz, const float sigmar, + const int bgridx, const int bgridy, const int bgridz, const int bgridr, + const bool interpolation_type=true) const { + return (+*this).blur_bilateral(sigmax,sigmay,sigmaz,sigmar,bgridx,bgridy,bgridz,bgridr,interpolation_type); + } + + //! Blur an image using the bilateral filter. + CImg<T>& blur_bilateral(const float sigmas, const float sigmar, const int bgrids=-33, const int bgridr=32, + const bool interpolation_type=true) { + return blur_bilateral(sigmas,sigmas,sigmas,sigmar,bgrids,bgrids,bgrids,bgridr,interpolation_type); + } + + CImg<T> get_blur_bilateral(const float sigmas, const float sigmar, const int bgrids=-33, const int bgridr=32, + const bool interpolation_type=true) const { + return (+*this).blur_bilateral(sigmas,sigmas,sigmas,sigmar,bgrids,bgrids,bgrids,bgridr,interpolation_type); + } + + //! Blur an image in its patch-based space. + CImg<T>& blur_patch(const unsigned int patch_size, const float sigma_p, const float sigma_s=10, + const unsigned int lookup_size=4, const bool fast_approx=true) { + +#define _cimg_blur_patch_fastfunc(x) ((x)>3?0:1) +#define _cimg_blur_patch_slowfunc(x) cimg_std::exp(-(x)) +#define _cimg_blur_patch3d(N,func) { \ + const unsigned int N3 = N*N*N; \ + cimg_for##N##XYZ(*this,x,y,z) { \ + cimg_plugin_greycstoration_count; \ + cimg_forV(*this,k) cimg_get##N##x##N##x##N(*this,x,y,z,k,P.ptr(N3*k)); \ + const int x0 = x - rsize1, y0 = y - rsize1, z0 = z - rsize1, x1 = x + rsize2, y1 = y + rsize2, z1 = z + rsize2; \ + float sum_weights = 0; \ + cimg_for_in##N##XYZ(*this,x0,y0,z0,x1,y1,z1,p,q,r) { \ + cimg_forV(*this,k) cimg_get##N##x##N##x##N(*this,p,q,r,k,Q.ptr(N3*k)); \ + float distance2 = 0; \ + const T *pQ = Q.end(); \ + cimg_for(P,pP,T) { const float dI = (float)*pP - (float)*(--pQ); distance2+=dI*dI; } \ + distance2/=Pnorm; \ + const float dx = (float)p - x, dy = (float)q - y, dz = (float)r - z, \ + alldist = distance2 + (dx*dx + dy*dy + dz*dz)/sigma_s2, weight = (float)func(alldist); \ + sum_weights+=weight; \ + { cimg_forV(*this,k) res(x,y,z,k)+=weight*(*this)(p,q,r,k); } \ + } \ + if (sum_weights>0) cimg_forV(*this,k) res(x,y,z,k)/=sum_weights; else cimg_forV(*this,k) res(x,y,z,k) = (Tfloat)((*this)(x,y,z,k)); \ + }} +#define _cimg_blur_patch2d(N,func) { \ + const unsigned int N2 = N*N; \ + cimg_for##N##XY(*this,x,y) { \ + cimg_plugin_greycstoration_count; \ + cimg_forV(*this,k) cimg_get##N##x##N(*this,x,y,0,k,P.ptr(N2*k)); \ + const int x0 = x-rsize1, y0 = y-rsize1, x1 = x+rsize2, y1 = y+rsize2; \ + float sum_weights = 0; \ + cimg_for_in##N##XY(*this,x0,y0,x1,y1,p,q) { \ + cimg_forV(*this,k) cimg_get##N##x##N(*this,p,q,0,k,Q.ptr(N2*k)); \ + float distance2 = 0; \ + const T *pQ = Q.end(); \ + cimg_for(P,pP,T) { const float dI = (float)*pP-(float)*(--pQ); distance2+=dI*dI; } \ + distance2/=Pnorm; \ + const float dx = (float)p-x, dy = (float)q-y, \ + alldist = distance2 + (dx*dx+dy*dy)/sigma_s2, weight = (float)func(alldist); \ + sum_weights+=weight; \ + { cimg_forV(*this,k) res(x,y,k)+=weight*(*this)(p,q,k); } \ + } \ + if (sum_weights>0) cimg_forV(*this,k) res(x,y,k)/=sum_weights; else cimg_forV(*this,k) res(x,y,k) = (Tfloat)((*this)(x,y,k)); \ + }} + + CImg<Tfloat> res(width,height,depth,dim,0); + CImg<T> P(patch_size*patch_size*dim), Q(P); + const float sigma_s2 = sigma_s*sigma_s, sigma_p2 = sigma_p*sigma_p, Pnorm = P.size()*sigma_p2; + const int rsize2 = (int)lookup_size/2, rsize1 = rsize2-1+(lookup_size%2); + if (depth>1) switch (patch_size) { // 3D version + case 2 : + if (fast_approx) { _cimg_blur_patch3d(2,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch3d(2,_cimg_blur_patch_slowfunc); } + break; + case 3 : + if (fast_approx) { _cimg_blur_patch3d(3,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch3d(3,_cimg_blur_patch_slowfunc); } + break; + default : { + const int psize1 = (int)patch_size/2, psize0 = psize1-1+(patch_size%2); + cimg_forXYZ(*this,x,y,z) { + cimg_plugin_greycstoration_count; + P = get_crop(x - psize0,y - psize0,z - psize0,x + psize1,y + psize1,z + psize1,true); + const int x0 = x - rsize1, y0 = y - rsize1, z0 = z - rsize1, x1 = x + rsize2, y1 = y + rsize2, z1 = z + rsize2; + float sum_weights = 0; + cimg_for_inXYZ(*this,x0,y0,z0,x1,y1,z1,p,q,r) { + (Q = get_crop(p - psize0,q - psize0,r - psize0,p + psize1,q + psize1,r + psize1,true))-=P; + const float + dx = (float)x - p, dy = (float)y - q, dz = (float)z - r, + distance2 = (float)(Q.pow(2).sum()/Pnorm + (dx*dx + dy*dy + dz*dz)/sigma_s2), + weight = (float)cimg_std::exp(-distance2); + sum_weights+=weight; + cimg_forV(*this,k) res(x,y,z,k)+=weight*(*this)(p,q,r,k); + } + if (sum_weights>0) cimg_forV(*this,k) res(x,y,z,k)/=sum_weights; else cimg_forV(*this,k) res(x,y,z,k) = (Tfloat)((*this)(x,y,z,k)); + } + } + } else switch (patch_size) { // 2D version + case 2 : + if (fast_approx) { _cimg_blur_patch2d(2,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(2,_cimg_blur_patch_slowfunc); } + break; + case 3 : + if (fast_approx) { _cimg_blur_patch2d(3,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(3,_cimg_blur_patch_slowfunc); } + break; + case 4 : + if (fast_approx) { _cimg_blur_patch2d(4,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(4,_cimg_blur_patch_slowfunc); } + break; + case 5 : + if (fast_approx) { _cimg_blur_patch2d(5,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(5,_cimg_blur_patch_slowfunc); } + break; + case 6 : + if (fast_approx) { _cimg_blur_patch2d(6,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(6,_cimg_blur_patch_slowfunc); } + break; + case 7 : + if (fast_approx) { _cimg_blur_patch2d(7,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(7,_cimg_blur_patch_slowfunc); } + break; + case 8 : + if (fast_approx) { _cimg_blur_patch2d(8,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(8,_cimg_blur_patch_slowfunc); } + break; + case 9 : + if (fast_approx) { _cimg_blur_patch2d(9,_cimg_blur_patch_fastfunc); } + else { _cimg_blur_patch2d(9,_cimg_blur_patch_slowfunc); } + break; + default : { + const int psize1 = (int)patch_size/2, psize0 = psize1-1+(patch_size%2); + cimg_forXY(*this,x,y) { + cimg_plugin_greycstoration_count; + P = get_crop(x - psize0,y - psize0,x + psize1,y + psize1,true); + const int x0 = x - rsize1, y0 = y - rsize1, x1 = x + rsize2, y1 = y + rsize2; + float sum_weights = 0; + cimg_for_inXY(*this,x0,y0,x1,y1,p,q) { + (Q = get_crop(p - psize0,q - psize0,p + psize1,q + psize1,true))-=P; + const float + dx = (float)x - p, dy = (float)y - q, + distance2 = (float)(Q.pow(2).sum()/Pnorm + (dx*dx + dy*dy)/sigma_s2), + weight = (float)cimg_std::exp(-distance2); + sum_weights+=weight; + cimg_forV(*this,k) res(x,y,0,k)+=weight*(*this)(p,q,0,k); + } + if (sum_weights>0) cimg_forV(*this,k) res(x,y,0,k)/=sum_weights; else cimg_forV(*this,k) res(x,y,0,k) = (Tfloat)((*this)(x,y,0,k)); + } + } + } + return res.transfer_to(*this); + } + + CImg<T> get_blur_patch(const unsigned int patch_size, const float sigma_p, const float sigma_s=10, + const unsigned int lookup_size=4, const bool fast_approx=true) const { + return (+*this).blur_patch(patch_size,sigma_p,sigma_s,lookup_size,fast_approx); + } + + //! Compute the Fast Fourier Transform of an image (along a specified axis). + CImgList<Tfloat> get_FFT(const char axis, const bool invert=false) const { + return CImgList<Tfloat>(*this).FFT(axis,invert); + } + + //! Compute the Fast Fourier Transform on an image. + CImgList<Tfloat> get_FFT(const bool invert=false) const { + return CImgList<Tfloat>(*this).FFT(invert); + } + + //! Apply a median filter. + CImg<T>& blur_median(const unsigned int n) { + return get_blur_median(n).transfer_to(*this); + } + + CImg<T> get_blur_median(const unsigned int n) { + CImg<T> res(width,height,depth,dim); + if (!n || n==1) return *this; + const int hl=n/2, hr=hl-1+n%2; + if (res.depth!=1) { // 3D median filter + CImg<T> vois; + cimg_forXYZV(*this,x,y,z,k) { + const int + x0 = x - hl, y0 = y - hl, z0 = z-hl, x1 = x + hr, y1 = y + hr, z1 = z+hr, + nx0 = x0<0?0:x0, ny0 = y0<0?0:y0, nz0 = z0<0?0:z0, + nx1 = x1>=dimx()?dimx()-1:x1, ny1 = y1>=dimy()?dimy()-1:y1, nz1 = z1>=dimz()?dimz()-1:z1; + vois = get_crop(nx0,ny0,nz0,k,nx1,ny1,nz1,k); + res(x,y,z,k) = vois.median(); + } + } else { +#define _cimg_median_sort(a,b) if ((a)>(b)) cimg::swap(a,b) + if (res.height!=1) switch (n) { // 2D median filter + case 3 : { + T I[9] = { 0 }; + CImg_3x3(J,T); + cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) { + cimg_std::memcpy(J,I,9*sizeof(T)); + _cimg_median_sort(Jcp, Jnp); _cimg_median_sort(Jcc, Jnc); _cimg_median_sort(Jcn, Jnn); + _cimg_median_sort(Jpp, Jcp); _cimg_median_sort(Jpc, Jcc); _cimg_median_sort(Jpn, Jcn); + _cimg_median_sort(Jcp, Jnp); _cimg_median_sort(Jcc, Jnc); _cimg_median_sort(Jcn, Jnn); + _cimg_median_sort(Jpp, Jpc); _cimg_median_sort(Jnc, Jnn); _cimg_median_sort(Jcc, Jcn); + _cimg_median_sort(Jpc, Jpn); _cimg_median_sort(Jcp, Jcc); _cimg_median_sort(Jnp, Jnc); + _cimg_median_sort(Jcc, Jcn); _cimg_median_sort(Jcc, Jnp); _cimg_median_sort(Jpn, Jcc); + _cimg_median_sort(Jcc, Jnp); + res(x,y,0,k) = Jcc; + } + } break; + case 5 : { + T I[25] = { 0 }; + CImg_5x5(J,T); + cimg_forV(*this,k) cimg_for5x5(*this,x,y,0,k,I) { + cimg_std::memcpy(J,I,25*sizeof(T)); + _cimg_median_sort(Jbb, Jpb); _cimg_median_sort(Jnb, Jab); _cimg_median_sort(Jcb, Jab); _cimg_median_sort(Jcb, Jnb); + _cimg_median_sort(Jpp, Jcp); _cimg_median_sort(Jbp, Jcp); _cimg_median_sort(Jbp, Jpp); _cimg_median_sort(Jap, Jbc); + _cimg_median_sort(Jnp, Jbc); _cimg_median_sort(Jnp, Jap); _cimg_median_sort(Jcc, Jnc); _cimg_median_sort(Jpc, Jnc); + _cimg_median_sort(Jpc, Jcc); _cimg_median_sort(Jbn, Jpn); _cimg_median_sort(Jac, Jpn); _cimg_median_sort(Jac, Jbn); + _cimg_median_sort(Jnn, Jan); _cimg_median_sort(Jcn, Jan); _cimg_median_sort(Jcn, Jnn); _cimg_median_sort(Jpa, Jca); + _cimg_median_sort(Jba, Jca); _cimg_median_sort(Jba, Jpa); _cimg_median_sort(Jna, Jaa); _cimg_median_sort(Jcb, Jbp); + _cimg_median_sort(Jnb, Jpp); _cimg_median_sort(Jbb, Jpp); _cimg_median_sort(Jbb, Jnb); _cimg_median_sort(Jab, Jcp); + _cimg_median_sort(Jpb, Jcp); _cimg_median_sort(Jpb, Jab); _cimg_median_sort(Jpc, Jac); _cimg_median_sort(Jnp, Jac); + _cimg_median_sort(Jnp, Jpc); _cimg_median_sort(Jcc, Jbn); _cimg_median_sort(Jap, Jbn); _cimg_median_sort(Jap, Jcc); + _cimg_median_sort(Jnc, Jpn); _cimg_median_sort(Jbc, Jpn); _cimg_median_sort(Jbc, Jnc); _cimg_median_sort(Jba, Jna); + _cimg_median_sort(Jcn, Jna); _cimg_median_sort(Jcn, Jba); _cimg_median_sort(Jpa, Jaa); _cimg_median_sort(Jnn, Jaa); + _cimg_median_sort(Jnn, Jpa); _cimg_median_sort(Jan, Jca); _cimg_median_sort(Jnp, Jcn); _cimg_median_sort(Jap, Jnn); + _cimg_median_sort(Jbb, Jnn); _cimg_median_sort(Jbb, Jap); _cimg_median_sort(Jbc, Jan); _cimg_median_sort(Jpb, Jan); + _cimg_median_sort(Jpb, Jbc); _cimg_median_sort(Jpc, Jba); _cimg_median_sort(Jcb, Jba); _cimg_median_sort(Jcb, Jpc); + _cimg_median_sort(Jcc, Jpa); _cimg_median_sort(Jnb, Jpa); _cimg_median_sort(Jnb, Jcc); _cimg_median_sort(Jnc, Jca); + _cimg_median_sort(Jab, Jca); _cimg_median_sort(Jab, Jnc); _cimg_median_sort(Jac, Jna); _cimg_median_sort(Jbp, Jna); + _cimg_median_sort(Jbp, Jac); _cimg_median_sort(Jbn, Jaa); _cimg_median_sort(Jpp, Jaa); _cimg_median_sort(Jpp, Jbn); + _cimg_median_sort(Jcp, Jpn); _cimg_median_sort(Jcp, Jan); _cimg_median_sort(Jnc, Jpa); _cimg_median_sort(Jbn, Jna); + _cimg_median_sort(Jcp, Jnc); _cimg_median_sort(Jcp, Jbn); _cimg_median_sort(Jpb, Jap); _cimg_median_sort(Jnb, Jpc); + _cimg_median_sort(Jbp, Jcn); _cimg_median_sort(Jpc, Jcn); _cimg_median_sort(Jap, Jcn); _cimg_median_sort(Jab, Jbc); + _cimg_median_sort(Jpp, Jcc); _cimg_median_sort(Jcp, Jac); _cimg_median_sort(Jab, Jpp); _cimg_median_sort(Jab, Jcp); + _cimg_median_sort(Jcc, Jac); _cimg_median_sort(Jbc, Jac); _cimg_median_sort(Jpp, Jcp); _cimg_median_sort(Jbc, Jcc); + _cimg_median_sort(Jpp, Jbc); _cimg_median_sort(Jpp, Jcn); _cimg_median_sort(Jcc, Jcn); _cimg_median_sort(Jcp, Jcn); + _cimg_median_sort(Jcp, Jbc); _cimg_median_sort(Jcc, Jnn); _cimg_median_sort(Jcp, Jcc); _cimg_median_sort(Jbc, Jnn); + _cimg_median_sort(Jcc, Jba); _cimg_median_sort(Jbc, Jba); _cimg_median_sort(Jbc, Jcc); + res(x,y,0,k) = Jcc; + } + } break; + default : { + CImg<T> vois; + cimg_forXYV(*this,x,y,k) { + const int + x0 = x - hl, y0 = y - hl, x1 = x + hr, y1 = y + hr, + nx0 = x0<0?0:x0, ny0 = y0<0?0:y0, + nx1 = x1>=dimx()?dimx()-1:x1, ny1 = y1>=dimy()?dimy()-1:y1; + vois = get_crop(nx0,ny0,0,k,nx1,ny1,0,k); + res(x,y,0,k) = vois.median(); + } + } + } else switch (n) { // 1D median filter + case 2 : { + T I[4] = { 0 }; + cimg_forV(*this,k) cimg_for2x2(*this,x,y,0,k,I) res(x,0,0,k) = (T)(0.5f*(I[0]+I[1])); + } break; + case 3 : { + T I[9] = { 0 }; + cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) { + res(x,0,0,k) = I[3]<I[4]? + (I[4]<I[5]?I[4]: + (I[3]<I[5]?I[5]:I[3])): + (I[3]<I[5]?I[3]: + (I[4]<I[5]?I[5]:I[4])); + } + } break; + default : { + CImg<T> vois; + cimg_forXV(*this,x,k) { + const int + x0 = x - hl, x1 = x + hr, + nx0 = x0<0?0:x0, nx1 = x1>=dimx()?dimx()-1:x1; + vois = get_crop(nx0,0,0,k,nx1,0,0,k); + res(x,0,0,k) = vois.median(); + } + } + } + } + return res; + } + + //! Sharpen image using anisotropic shock filters or inverse diffusion. + CImg<T>& sharpen(const float amplitude, const bool sharpen_type=false, const float edge=1, const float alpha=0, const float sigma=0) { + if (is_empty()) return *this; + T valm, valM = maxmin(valm); + const bool threed = (depth>1); + const float nedge = 0.5f*edge; + CImg<Tfloat> val, vec, veloc(width,height,depth,dim); + + if (threed) { + CImg_3x3x3(I,T); + if (sharpen_type) { // 3D Shock filter. + CImg<Tfloat> G = (alpha>0?get_blur(alpha).get_structure_tensor():get_structure_tensor()); + if (sigma>0) G.blur(sigma); + + cimg_forXYZ(G,x,y,z) { + G.get_tensor_at(x,y,z).symmetric_eigen(val,vec); + G(x,y,z,0) = vec(0,0); + G(x,y,z,1) = vec(0,1); + G(x,y,z,2) = vec(0,2); + G(x,y,z,3) = 1 - (Tfloat)cimg_std::pow(1+val[0]+val[1]+val[2],-(Tfloat)nedge); + } + cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) { + const Tfloat + u = G(x,y,z,0), + v = G(x,y,z,1), + w = G(x,y,z,2), + amp = G(x,y,z,3), + ixx = (Tfloat)Incc + Ipcc - 2*Iccc, + ixy = 0.25f*((Tfloat)Innc + Ippc - Inpc - Ipnc), + ixz = 0.25f*((Tfloat)Incn + Ipcp - Incp - Ipcn), + iyy = (Tfloat)Icnc + Icpc - 2*Iccc, + iyz = 0.25f*((Tfloat)Icnn + Icpp - Icnp - Icpn), + izz = (Tfloat)Iccn + Iccp - 2*Iccc, + ixf = (Tfloat)Incc - Iccc, + ixb = (Tfloat)Iccc - Ipcc, + iyf = (Tfloat)Icnc - Iccc, + iyb = (Tfloat)Iccc - Icpc, + izf = (Tfloat)Iccn - Iccc, + izb = (Tfloat)Iccc - Iccp, + itt = u*u*ixx + v*v*iyy + w*w*izz + 2*u*v*ixy + 2*u*w*ixz + 2*v*w*iyz, + it = u*cimg::minmod(ixf,ixb) + v*cimg::minmod(iyf,iyb) + w*cimg::minmod(izf,izb); + veloc(x,y,z,k) = -amp*cimg::sign(itt)*cimg::abs(it); + } + } else cimg_forV(*this,k) cimg_for3x3x3(*this,x,y,z,k,I) veloc(x,y,z,k) = -(Tfloat)Ipcc-Incc-Icpc-Icnc-Iccp-Iccn+6*Iccc; // 3D Inverse diffusion. + } else { + CImg_3x3(I,T); + if (sharpen_type) { // 2D Shock filter. + CImg<Tfloat> G = (alpha>0?get_blur(alpha).get_structure_tensor():get_structure_tensor()); + if (sigma>0) G.blur(sigma); + cimg_forXY(G,x,y) { + G.get_tensor_at(x,y).symmetric_eigen(val,vec); + G(x,y,0) = vec(0,0); + G(x,y,1) = vec(0,1); + G(x,y,2) = 1 - (Tfloat)cimg_std::pow(1+val[0]+val[1],-(Tfloat)nedge); + } + cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) { + const Tfloat + u = G(x,y,0), + v = G(x,y,1), + amp = G(x,y,2), + ixx = (Tfloat)Inc + Ipc - 2*Icc, + ixy = 0.25f*((Tfloat)Inn + Ipp - Inp - Ipn), + iyy = (Tfloat)Icn + Icp - 2*Icc, + ixf = (Tfloat)Inc - Icc, + ixb = (Tfloat)Icc - Ipc, + iyf = (Tfloat)Icn - Icc, + iyb = (Tfloat)Icc - Icp, + itt = u*u*ixx + v*v*iyy + 2*u*v*ixy, + it = u*cimg::minmod(ixf,ixb) + v*cimg::minmod(iyf,iyb); + veloc(x,y,k) = -amp*cimg::sign(itt)*cimg::abs(it); + } + } else cimg_forV(*this,k) cimg_for3x3(*this,x,y,0,k,I) veloc(x,y,k) = -(Tfloat)Ipc-Inc-Icp-Icn+4*Icc; // 3D Inverse diffusion. + } + float m, M = (float)veloc.maxmin(m); + const float vmax = (float)cimg::max(cimg::abs(m),cimg::abs(M)); + if (vmax!=0) { veloc*=amplitude/vmax; (*this)+=veloc; } + return cut(valm,valM); + } + + CImg<T> get_sharpen(const float amplitude, const bool sharpen_type=false, const float edge=1, const float alpha=0, const float sigma=0) const { + return (+*this).sharpen(amplitude,sharpen_type,edge,alpha,sigma); + } + + //! Compute the Haar multiscale wavelet transform (monodimensional version). + /** + \param axis Axis considered for the transform. + \param invert Set inverse of direct transform. + \param nb_scales Number of scales used for the transform. + **/ + CImg<T>& haar(const char axis, const bool invert=false, const unsigned int nb_scales=1) { + return get_haar(axis,invert,nb_scales).transfer_to(*this); + } + + CImg<Tfloat> get_haar(const char axis, const bool invert=false, const unsigned int nb_scales=1) const { + if (is_empty() || !nb_scales) return *this; + CImg<Tfloat> res; + + if (nb_scales==1) { + switch (cimg::uncase(axis)) { // Single scale transform + case 'x' : { + const unsigned int w = width/2; + if (w) { + if (w%2) + throw CImgInstanceException("CImg<%s>::haar() : Sub-image width = %u is not even at a particular scale (=%u).", + pixel_type(),w); + res.assign(width,height,depth,dim); + if (invert) cimg_forYZV(*this,y,z,v) { // Inverse transform along X + for (unsigned int x=0, xw=w, x2=0; x<w; ++x, ++xw) { + const Tfloat val0 = (Tfloat)(*this)(x,y,z,v), val1 = (Tfloat)(*this)(xw,y,z,v); + res(x2++,y,z,v) = val0 - val1; + res(x2++,y,z,v) = val0 + val1; + } + } else cimg_forYZV(*this,y,z,v) { // Direct transform along X + for (unsigned int x=0, xw=w, x2=0; x<w; ++x, ++xw) { + const Tfloat val0 = (Tfloat)(*this)(x2++,y,z,v), val1 = (Tfloat)(*this)(x2++,y,z,v); + res(x,y,z,v) = (val0 + val1)/2; + res(xw,y,z,v) = (val1 - val0)/2; + } + } + } else return *this; + } break; + case 'y' : { + const unsigned int h = height/2; + if (h) { + if (h%2) + throw CImgInstanceException("CImg<%s>::haar() : Sub-image height = %u is not even at a particular scale.", + pixel_type(),h); + res.assign(width,height,depth,dim); + if (invert) cimg_forXZV(*this,x,z,v) { // Inverse transform along Y + for (unsigned int y=0, yh=h, y2=0; y<h; ++y, ++yh) { + const Tfloat val0 = (Tfloat)(*this)(x,y,z,v), val1 = (Tfloat)(*this)(x,yh,z,v); + res(x,y2++,z,v) = val0 - val1; + res(x,y2++,z,v) = val0 + val1; + } + } else cimg_forXZV(*this,x,z,v) { + for (unsigned int y=0, yh=h, y2=0; y<h; ++y, ++yh) { // Direct transform along Y + const Tfloat val0 = (Tfloat)(*this)(x,y2++,z,v), val1 = (Tfloat)(*this)(x,y2++,z,v); + res(x,y,z,v) = (val0 + val1)/2; + res(x,yh,z,v) = (val1 - val0)/2; + } + } + } else return *this; + } break; + case 'z' : { + const unsigned int d = depth/2; + if (d) { + if (d%2) + throw CImgInstanceException("CImg<%s>::haar() : Sub-image depth = %u is not even at a particular scale.", + pixel_type(),d); + res.assign(width,height,depth,dim); + if (invert) cimg_forXYV(*this,x,y,v) { // Inverse transform along Z + for (unsigned int z=0, zd=d, z2=0; z<d; ++z, ++zd) { + const Tfloat val0 = (Tfloat)(*this)(x,y,z,v), val1 = (Tfloat)(*this)(x,y,zd,v); + res(x,y,z2++,v) = val0 - val1; + res(x,y,z2++,v) = val0 + val1; + } + } else cimg_forXYV(*this,x,y,v) { + for (unsigned int z=0, zd=d, z2=0; z<d; ++z, ++zd) { // Direct transform along Z + const Tfloat val0 = (Tfloat)(*this)(x,y,z2++,v), val1 = (Tfloat)(*this)(x,y,z2++,v); + res(x,y,z,v) = (val0 + val1)/2; + res(x,y,zd,v) = (val1 - val0)/2; + } + } + } else return *this; + } break; + default : + throw CImgArgumentException("CImg<%s>::haar() : Invalid axis '%c', must be 'x','y' or 'z'.", + pixel_type(),axis); + } + } else { // Multi-scale version + if (invert) { + res.assign(*this); + switch (cimg::uncase(axis)) { + case 'x' : { + unsigned int w = width; + for (unsigned int s=1; w && s<nb_scales; ++s) w/=2; + for (w=w?w:1; w<=width; w*=2) res.draw_image(res.get_crop(0,w-1).get_haar('x',true,1)); + } break; + case 'y' : { + unsigned int h = width; + for (unsigned int s=1; h && s<nb_scales; ++s) h/=2; + for (h=h?h:1; h<=height; h*=2) res.draw_image(res.get_crop(0,0,width-1,h-1).get_haar('y',true,1)); + } break; + case 'z' : { + unsigned int d = depth; + for (unsigned int s=1; d && s<nb_scales; ++s) d/=2; + for (d=d?d:1; d<=depth; d*=2) res.draw_image(res.get_crop(0,0,0,width-1,height-1,d-1).get_haar('z',true,1)); + } break; + default : + throw CImgArgumentException("CImg<%s>::haar() : Invalid axis '%c', must be 'x','y' or 'z'.", + pixel_type(),axis); + } + } else { // Direct transform + res = get_haar(axis,false,1); + switch (cimg::uncase(axis)) { + case 'x' : { + for (unsigned int s=1, w=width/2; w && s<nb_scales; ++s, w/=2) res.draw_image(res.get_crop(0,w-1).get_haar('x',false,1)); + } break; + case 'y' : { + for (unsigned int s=1, h=height/2; h && s<nb_scales; ++s, h/=2) res.draw_image(res.get_crop(0,0,width-1,h-1).get_haar('y',false,1)); + } break; + case 'z' : { + for (unsigned int s=1, d=depth/2; d && s<nb_scales; ++s, d/=2) res.draw_image(res.get_crop(0,0,0,width-1,height-1,d-1).get_haar('z',false,1)); + } break; + default : + throw CImgArgumentException("CImg<%s>::haar() : Invalid axis '%c', must be 'x','y' or 'z'.", + pixel_type(),axis); + } + } + } + return res; + } + + //! Compute the Haar multiscale wavelet transform. + /** + \param invert Set inverse of direct transform. + \param nb_scales Number of scales used for the transform. + **/ + CImg<T>& haar(const bool invert=false, const unsigned int nb_scales=1) { + return get_haar(invert,nb_scales).transfer_to(*this); + } + + CImg<Tfloat> get_haar(const bool invert=false, const unsigned int nb_scales=1) const { + CImg<Tfloat> res; + + if (nb_scales==1) { // Single scale transform + if (width>1) get_haar('x',invert,1).transfer_to(res); + if (height>1) { if (res) res.get_haar('y',invert,1).transfer_to(res); else get_haar('y',invert,1).transfer_to(res); } + if (depth>1) { if (res) res.get_haar('z',invert,1).transfer_to(res); else get_haar('z',invert,1).transfer_to(res); } + if (res) return res; + } else { // Multi-scale transform + if (invert) { // Inverse transform + res.assign(*this); + if (width>1) { + if (height>1) { + if (depth>1) { + unsigned int w = width, h = height, d = depth; for (unsigned int s=1; w && h && d && s<nb_scales; ++s) { w/=2; h/=2; d/=2; } + for (w=w?w:1, h=h?h:1, d=d?d:1; w<=width && h<=height && d<=depth; w*=2, h*=2, d*=2) + res.draw_image(res.get_crop(0,0,0,w-1,h-1,d-1).get_haar(true,1)); + } else { + unsigned int w = width, h = height; for (unsigned int s=1; w && h && s<nb_scales; ++s) { w/=2; h/=2; } + for (w=w?w:1, h=h?h:1; w<=width && h<=height; w*=2, h*=2) + res.draw_image(res.get_crop(0,0,0,w-1,h-1,0).get_haar(true,1)); + } + } else { + if (depth>1) { + unsigned int w = width, d = depth; for (unsigned int s=1; w && d && s<nb_scales; ++s) { w/=2; d/=2; } + for (w=w?w:1, d=d?d:1; w<=width && d<=depth; w*=2, d*=2) + res.draw_image(res.get_crop(0,0,0,w-1,0,d-1).get_haar(true,1)); + } else { + unsigned int w = width; for (unsigned int s=1; w && s<nb_scales; ++s) w/=2; + for (w=w?w:1; w<=width; w*=2) + res.draw_image(res.get_crop(0,0,0,w-1,0,0).get_haar(true,1)); + } + } + } else { + if (height>1) { + if (depth>1) { + unsigned int h = height, d = depth; for (unsigned int s=1; h && d && s<nb_scales; ++s) { h/=2; d/=2; } + for (h=h?h:1, d=d?d:1; h<=height && d<=depth; h*=2, d*=2) + res.draw_image(res.get_crop(0,0,0,0,h-1,d-1).get_haar(true,1)); + } else { + unsigned int h = height; for (unsigned int s=1; h && s<nb_scales; ++s) h/=2; + for (h=h?h:1; h<=height; h*=2) + res.draw_image(res.get_crop(0,0,0,0,h-1,0).get_haar(true,1)); + } + } else { + if (depth>1) { + unsigned int d = depth; for (unsigned int s=1; d && s<nb_scales; ++s) d/=2; + for (d=d?d:1; d<=depth; d*=2) + res.draw_image(res.get_crop(0,0,0,0,0,d-1).get_haar(true,1)); + } else return *this; + } + } + } else { // Direct transform + res = get_haar(false,1); + if (width>1) { + if (height>1) { + if (depth>1) for (unsigned int s=1, w=width/2, h=height/2, d=depth/2; w && h && d && s<nb_scales; ++s, w/=2, h/=2, d/=2) + res.draw_image(res.get_crop(0,0,0,w-1,h-1,d-1).haar(false,1)); + else for (unsigned int s=1, w=width/2, h=height/2; w && h && s<nb_scales; ++s, w/=2, h/=2) + res.draw_image(res.get_crop(0,0,0,w-1,h-1,0).haar(false,1)); + } else { + if (depth>1) for (unsigned int s=1, w=width/2, d=depth/2; w && d && s<nb_scales; ++s, w/=2, d/=2) + res.draw_image(res.get_crop(0,0,0,w-1,0,d-1).haar(false,1)); + else for (unsigned int s=1, w=width/2; w && s<nb_scales; ++s, w/=2) + res.draw_image(res.get_crop(0,0,0,w-1,0,0).haar(false,1)); + } + } else { + if (height>1) { + if (depth>1) for (unsigned int s=1, h=height/2, d=depth/2; h && d && s<nb_scales; ++s, h/=2, d/=2) + res.draw_image(res.get_crop(0,0,0,0,h-1,d-1).haar(false,1)); + else for (unsigned int s=1, h=height/2; h && s<nb_scales; ++s, h/=2) + res.draw_image(res.get_crop(0,0,0,0,h-1,0).haar(false,1)); + } else { + if (depth>1) for (unsigned int s=1, d=depth/2; d && s<nb_scales; ++s, d/=2) + res.draw_image(res.get_crop(0,0,0,0,0,d-1).haar(false,1)); + else return *this; + } + } + } + return res; + } + return *this; + } + + //! Estimate a displacement field between instance image and given target image. + CImg<T>& displacement_field(const CImg<T>& target, const float smooth=0.1f, const float precision=0.1f, + const unsigned int nb_scales=0, const unsigned int itermax=10000) { + return get_displacement_field(target,smooth,precision,nb_scales,itermax).transfer_to(*this); + } + + CImg<Tfloat> get_displacement_field(const CImg<T>& target, + const float smoothness=0.1f, const float precision=0.1f, + const unsigned int nb_scales=0, const unsigned int itermax=10000) const { + if (is_empty() || !target) return *this; + if (!is_sameXYZV(target)) + throw CImgArgumentException("CImg<%s>::displacement_field() : Instance image (%u,%u,%u,%u,%p) and target image (%u,%u,%u,%u,%p) " + "have different size.", + pixel_type(),width,height,depth,dim,data, + target.width,target.height,target.depth,target.dim,target.data); + if (smoothness<0) + throw CImgArgumentException("CImg<%s>::displacement_field() : Smoothness parameter %g is negative.", + pixel_type(),smoothness); + if (precision<0) + throw CImgArgumentException("CImg<%s>::displacement_field() : Precision parameter %g is negative.", + pixel_type(),precision); + + const unsigned int nscales = nb_scales>0?nb_scales:(unsigned int)(2*cimg_std::log((double)(cimg::max(width,height,depth)))); + Tfloat m1, M1 = (Tfloat)maxmin(m1), m2, M2 = (Tfloat)target.maxmin(m2); + const Tfloat factor = cimg::max(cimg::abs(m1),cimg::abs(M1),cimg::abs(m2),cimg::abs(M2)); + CImg<Tfloat> U0; + const bool threed = (depth>1); + + // Begin multi-scale motion estimation + for (int scale = (int)nscales-1; scale>=0; --scale) { + const float sfactor = (float)cimg_std::pow(1.5f,(float)scale), sprecision = (float)(precision/cimg_std::pow(2.25,1+scale)); + const int + sw = (int)(width/sfactor), sh = (int)(height/sfactor), sd = (int)(depth/sfactor), + swidth = sw?sw:1, sheight = sh?sh:1, sdepth = sd?sd:1; + CImg<Tfloat> + I1 = get_resize(swidth,sheight,sdepth,-100,2), + I2 = target.get_resize(swidth,sheight,sdepth,-100,2); + I1/=factor; I2/=factor; + CImg<Tfloat> U; + if (U0) U = (U0*=1.5f).get_resize(I1.dimx(),I1.dimy(),I1.dimz(),-100,3); + else U.assign(I1.dimx(),I1.dimy(),I1.dimz(),threed?3:2,0); + + // Begin single-scale motion estimation + CImg<Tfloat> veloc(U); + float dt = 2, Energy = cimg::type<float>::max(); + const CImgList<Tfloat> dI = I2.get_gradient(); + for (unsigned int iter=0; iter<itermax; iter++) { + veloc.fill(0); + float nEnergy = 0; + if (threed) { + cimg_for3XYZ(U,x,y,z) { + const float X = (float)(x + U(x,y,z,0)), Y = (float)(y + U(x,y,z,1)), Z = (float)(z + U(x,y,z,2)); + cimg_forV(U,k) { + const Tfloat + Ux = 0.5f*(U(_n1x,y,z,k) - U(_p1x,y,z,k)), + Uy = 0.5f*(U(x,_n1y,z,k) - U(x,_p1y,z,k)), + Uz = 0.5f*(U(x,y,_n1z,k) - U(x,y,_p1z,k)), + Uxx = U(_n1x,y,z,k) + U(_p1x,y,z,k) - 2*U(x,y,z,k), + Uyy = U(x,_n1y,z,k) + U(x,_p1y,z,k) - 2*U(x,y,z,k), + Uzz = U(x,y,_n1z,k) + U(x,y,_n1z,k) - 2*U(x,y,z,k); + nEnergy += (float)(smoothness*(Ux*Ux + Uy*Uy + Uz*Uz)); + Tfloat deltaIgrad = 0; + cimg_forV(I1,i) { + const Tfloat deltaIi = (float)(I2._linear_atXYZ(X,Y,Z,i) - I1(x,y,z,i)); + nEnergy += (float)(deltaIi*deltaIi/2); + deltaIgrad+=-deltaIi*dI[k]._linear_atXYZ(X,Y,Z,i); + } + veloc(x,y,z,k) = deltaIgrad + smoothness*(Uxx + Uyy + Uzz); + } + } + } else { + cimg_for3XY(U,x,y) { + const float X = (float)(x + U(x,y,0)), Y = (float)(y + U(x,y,1)); + cimg_forV(U,k) { + const Tfloat + Ux = 0.5f*(U(_n1x,y,k) - U(_p1x,y,k)), + Uy = 0.5f*(U(x,_n1y,k) - U(x,_p1y,k)), + Uxx = U(_n1x,y,k) + U(_p1x,y,k) - 2*U(x,y,k), + Uyy = U(x,_n1y,k) + U(x,_p1y,k) - 2*U(x,y,k); + nEnergy += (float)(smoothness*(Ux*Ux + Uy*Uy)); + Tfloat deltaIgrad = 0; + cimg_forV(I1,i) { + const Tfloat deltaIi = (float)(I2._linear_atXY(X,Y,i) - I1(x,y,i)); + nEnergy += (float)(deltaIi*deltaIi/2); + deltaIgrad+=-deltaIi*dI[k]._linear_atXY(X,Y,i); + } + veloc(x,y,k) = deltaIgrad + smoothness*(Uxx + Uyy); + } + } + } + const Tfloat vmax = cimg::max(cimg::abs(veloc.min()), cimg::abs(veloc.max())); + U+=(veloc*=dt/vmax); + if (cimg::abs(nEnergy-Energy)<sprecision) break; + if (nEnergy<Energy) dt*=0.5f; + Energy = nEnergy; + } + U.transfer_to(U0); + } + return U0; + } + + //@} + //----------------------------- + // + //! \name Matrix and Vectors + //@{ + //----------------------------- + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0) { + static CImg<T> r(1,1); r[0] = a0; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1) { + static CImg<T> r(1,2); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2) { + static CImg<T> r(1,3); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3) { + static CImg<T> r(1,4); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4) { + static CImg<T> r(1,5); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; *(ptr++) = a4; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4, const T& a5) { + static CImg<T> r(1,6); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; *(ptr++) = a4; *(ptr++) = a5; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6) { + static CImg<T> r(1,7); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7) { + static CImg<T> r(1,8); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8) { + static CImg<T> r(1,9); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9) { + static CImg<T> r(1,10); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9, const T& a10) { + static CImg<T> r(1,11); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9, const T& a10, const T& a11) { + static CImg<T> r(1,12); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9, const T& a10, const T& a11, + const T& a12) { + static CImg<T> r(1,13); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; + *(ptr++) = a12; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9, const T& a10, const T& a11, + const T& a12, const T& a13) { + static CImg<T> r(1,14); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; + *(ptr++) = a12; *(ptr++) = a13; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9, const T& a10, const T& a11, + const T& a12, const T& a13, const T& a14) { + static CImg<T> r(1,15); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; + *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; + return r; + } + + //! Return a vector with specified coefficients. + static CImg<T> vector(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9, const T& a10, const T& a11, + const T& a12, const T& a13, const T& a14, const T& a15) { + static CImg<T> r(1,16); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; + *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; *(ptr++) = a15; + return r; + } + + //! Return a 1x1 square matrix with specified coefficients. + static CImg<T> matrix(const T& a0) { + return vector(a0); + } + + //! Return a 2x2 square matrix with specified coefficients. + static CImg<T> matrix(const T& a0, const T& a1, + const T& a2, const T& a3) { + static CImg<T> r(2,2); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; + *(ptr++) = a2; *(ptr++) = a3; + return r; + } + + //! Return a 3x3 square matrix with specified coefficients. + static CImg<T> matrix(const T& a0, const T& a1, const T& a2, + const T& a3, const T& a4, const T& a5, + const T& a6, const T& a7, const T& a8) { + static CImg<T> r(3,3); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; + *(ptr++) = a3; *(ptr++) = a4; *(ptr++) = a5; + *(ptr++) = a6; *(ptr++) = a7; *(ptr++) = a8; + return r; + } + + //! Return a 4x4 square matrix with specified coefficients. + static CImg<T> matrix(const T& a0, const T& a1, const T& a2, const T& a3, + const T& a4, const T& a5, const T& a6, const T& a7, + const T& a8, const T& a9, const T& a10, const T& a11, + const T& a12, const T& a13, const T& a14, const T& a15) { + static CImg<T> r(4,4); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; + *(ptr++) = a4; *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; + *(ptr++) = a8; *(ptr++) = a9; *(ptr++) = a10; *(ptr++) = a11; + *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; *(ptr++) = a15; + return r; + } + + //! Return a 5x5 square matrix with specified coefficients. + static CImg<T> matrix(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4, + const T& a5, const T& a6, const T& a7, const T& a8, const T& a9, + const T& a10, const T& a11, const T& a12, const T& a13, const T& a14, + const T& a15, const T& a16, const T& a17, const T& a18, const T& a19, + const T& a20, const T& a21, const T& a22, const T& a23, const T& a24) { + static CImg<T> r(5,5); T *ptr = r.data; + *(ptr++) = a0; *(ptr++) = a1; *(ptr++) = a2; *(ptr++) = a3; *(ptr++) = a4; + *(ptr++) = a5; *(ptr++) = a6; *(ptr++) = a7; *(ptr++) = a8; *(ptr++) = a9; + *(ptr++) = a10; *(ptr++) = a11; *(ptr++) = a12; *(ptr++) = a13; *(ptr++) = a14; + *(ptr++) = a15; *(ptr++) = a16; *(ptr++) = a17; *(ptr++) = a18; *(ptr++) = a19; + *(ptr++) = a20; *(ptr++) = a21; *(ptr++) = a22; *(ptr++) = a23; *(ptr++) = a24; + return r; + } + + //! Return a 1x1 symmetric matrix with specified coefficients. + static CImg<T> tensor(const T& a1) { + return matrix(a1); + } + + //! Return a 2x2 symmetric matrix tensor with specified coefficients. + static CImg<T> tensor(const T& a1, const T& a2, const T& a3) { + return matrix(a1,a2,a2,a3); + } + + //! Return a 3x3 symmetric matrix with specified coefficients. + static CImg<T> tensor(const T& a1, const T& a2, const T& a3, const T& a4, const T& a5, const T& a6) { + return matrix(a1,a2,a3,a2,a4,a5,a3,a5,a6); + } + + //! Return a 1x1 diagonal matrix with specified coefficients. + static CImg<T> diagonal(const T& a0) { + return matrix(a0); + } + + //! Return a 2x2 diagonal matrix with specified coefficients. + static CImg<T> diagonal(const T& a0, const T& a1) { + return matrix(a0,0,0,a1); + } + + //! Return a 3x3 diagonal matrix with specified coefficients. + static CImg<T> diagonal(const T& a0, const T& a1, const T& a2) { + return matrix(a0,0,0,0,a1,0,0,0,a2); + } + + //! Return a 4x4 diagonal matrix with specified coefficients. + static CImg<T> diagonal(const T& a0, const T& a1, const T& a2, const T& a3) { + return matrix(a0,0,0,0,0,a1,0,0,0,0,a2,0,0,0,0,a3); + } + + //! Return a 5x5 diagonal matrix with specified coefficients. + static CImg<T> diagonal(const T& a0, const T& a1, const T& a2, const T& a3, const T& a4) { + return matrix(a0,0,0,0,0,0,a1,0,0,0,0,0,a2,0,0,0,0,0,a3,0,0,0,0,0,a4); + } + + //! Return a NxN identity matrix. + static CImg<T> identity_matrix(const unsigned int N) { + CImg<T> res(N,N,1,1,0); + cimg_forX(res,x) res(x,x) = 1; + return res; + } + + //! Return a N-numbered sequence vector from \p a0 to \p a1. + static CImg<T> sequence(const unsigned int N, const T a0, const T a1) { + if (N) return CImg<T>(1,N).sequence(a0,a1); + return CImg<T>(); + } + + //! Return a 3x3 rotation matrix along the (x,y,z)-axis with an angle w. + static CImg<T> rotation_matrix(const float x, const float y, const float z, const float w, const bool quaternion_data=false) { + float X,Y,Z,W; + if (!quaternion_data) { + const float norm = (float)cimg_std::sqrt(x*x + y*y + z*z), + nx = norm>0?x/norm:0, + ny = norm>0?y/norm:0, + nz = norm>0?z/norm:1, + nw = norm>0?w:0, + sina = (float)cimg_std::sin(nw/2), + cosa = (float)cimg_std::cos(nw/2); + X = nx*sina; + Y = ny*sina; + Z = nz*sina; + W = cosa; + } else { + const float norm = (float)cimg_std::sqrt(x*x + y*y + z*z + w*w); + if (norm>0) { X = x/norm; Y = y/norm; Z = z/norm; W = w/norm; } + else { X = Y = Z = 0; W = 1; } + } + const float xx = X*X, xy = X*Y, xz = X*Z, xw = X*W, yy = Y*Y, yz = Y*Z, yw = Y*W, zz = Z*Z, zw = Z*W; + return CImg<T>::matrix((T)(1-2*(yy+zz)), (T)(2*(xy+zw)), (T)(2*(xz-yw)), + (T)(2*(xy-zw)), (T)(1-2*(xx+zz)), (T)(2*(yz+xw)), + (T)(2*(xz+yw)), (T)(2*(yz-xw)), (T)(1-2*(xx+yy))); + } + + //! Return a new image corresponding to the vector located at (\p x,\p y,\p z) of the current vector-valued image. + CImg<T> get_vector_at(const unsigned int x, const unsigned int y=0, const unsigned int z=0) const { + static CImg<T> dest; + if (dest.height!=dim) dest.assign(1,dim); + const unsigned int whz = width*height*depth; + const T *ptrs = ptr(x,y,z); + T *ptrd = dest.data; + cimg_forV(*this,k) { *(ptrd++) = *ptrs; ptrs+=whz; } + return dest; + } + + //! Set the image \p vec as the \a vector \a valued pixel located at (\p x,\p y,\p z) of the current vector-valued image. + template<typename t> + CImg<T>& set_vector_at(const CImg<t>& vec, const unsigned int x, const unsigned int y=0, const unsigned int z=0) { + if (x<width && y<height && z<depth) { + const unsigned int whz = width*height*depth; + const t *ptrs = vec.data; + T *ptrd = ptr(x,y,z); + for (unsigned int k=cimg::min((unsigned int)vec.size(),dim); k; --k) { *ptrd = (T)*(ptrs++); ptrd+=whz; } + } + return *this; + } + + //! Return a new image corresponding to the \a square \a matrix located at (\p x,\p y,\p z) of the current vector-valued image. + CImg<T> get_matrix_at(const unsigned int x=0, const unsigned int y=0, const unsigned int z=0) const { + const int n = (int)cimg_std::sqrt((double)dim); + CImg<T> dest(n,n); + cimg_forV(*this,k) dest[k]=(*this)(x,y,z,k); + return dest; + } + + //! Set the image \p vec as the \a square \a matrix-valued pixel located at (\p x,\p y,\p z) of the current vector-valued image. + template<typename t> + CImg<T>& set_matrix_at(const CImg<t>& mat, const unsigned int x=0, const unsigned int y=0, const unsigned int z=0) { + return set_vector_at(mat,x,y,z); + } + + //! Return a new image corresponding to the \a diffusion \a tensor located at (\p x,\p y,\p z) of the current vector-valued image. + CImg<T> get_tensor_at(const unsigned int x, const unsigned int y=0, const unsigned int z=0) const { + if (dim==6) return tensor((*this)(x,y,z,0),(*this)(x,y,z,1),(*this)(x,y,z,2), + (*this)(x,y,z,3),(*this)(x,y,z,4),(*this)(x,y,z,5)); + if (dim==3) return tensor((*this)(x,y,z,0),(*this)(x,y,z,1),(*this)(x,y,z,2)); + return tensor((*this)(x,y,z,0)); + } + + //! Set the image \p vec as the \a tensor \a valued pixel located at (\p x,\p y,\p z) of the current vector-valued image. + template<typename t> + CImg<T>& set_tensor_at(const CImg<t>& ten, const unsigned int x=0, const unsigned int y=0, const unsigned int z=0) { + if (ten.height==2) { + (*this)(x,y,z,0) = (T)ten[0]; + (*this)(x,y,z,1) = (T)ten[1]; + (*this)(x,y,z,2) = (T)ten[3]; + } + else { + (*this)(x,y,z,0) = (T)ten[0]; + (*this)(x,y,z,1) = (T)ten[1]; + (*this)(x,y,z,2) = (T)ten[2]; + (*this)(x,y,z,3) = (T)ten[4]; + (*this)(x,y,z,4) = (T)ten[5]; + (*this)(x,y,z,5) = (T)ten[8]; + } + return *this; + } + + //! Unroll all images values into a one-column vector. + CImg<T>& vector() { + return unroll('y'); + } + + CImg<T> get_vector() const { + return get_unroll('y'); + } + + //! Realign pixel values of the instance image as a square matrix + CImg<T>& matrix() { + const unsigned int siz = size(); + switch (siz) { + case 1 : break; + case 4 : width = height = 2; break; + case 9 : width = height = 3; break; + case 16 : width = height = 4; break; + case 25 : width = height = 5; break; + case 36 : width = height = 6; break; + case 49 : width = height = 7; break; + case 64 : width = height = 8; break; + case 81 : width = height = 9; break; + case 100 : width = height = 10; break; + default : { + unsigned int i = 11, i2 = i*i; + while (i2<siz) { i2+=2*i+1; ++i; } + if (i2==siz) width = height = i; + else throw CImgInstanceException("CImg<%s>::matrix() : Image size = %u is not a square number", + pixel_type(),siz); + } + } + return *this; + } + + CImg<T> get_matrix() const { + return (+*this).matrix(); + } + + //! Realign pixel values of the instance image as a symmetric tensor. + CImg<T>& tensor() { + return get_tensor().transfer_to(*this); + } + + CImg<T> get_tensor() const { + CImg<T> res; + const unsigned int siz = size(); + switch (siz) { + case 1 : break; + case 3 : + res.assign(2,2); + res(0,0) = (*this)(0); + res(1,0) = res(0,1) = (*this)(1); + res(1,1) = (*this)(2); + break; + case 6 : + res.assign(3,3); + res(0,0) = (*this)(0); + res(1,0) = res(0,1) = (*this)(1); + res(2,0) = res(0,2) = (*this)(2); + res(1,1) = (*this)(3); + res(2,1) = res(1,2) = (*this)(4); + res(2,2) = (*this)(5); + break; + default : + throw CImgInstanceException("CImg<%s>::tensor() : Wrong vector dimension = %u in instance image.", + pixel_type(), dim); + } + return res; + } + + //! Unroll all images values into specified axis. + CImg<T>& unroll(const char axis) { + const unsigned int siz = size(); + if (siz) switch (axis) { + case 'x' : width = siz; height=depth=dim=1; break; + case 'y' : height = siz; width=depth=dim=1; break; + case 'z' : depth = siz; width=height=dim=1; break; + case 'v' : dim = siz; width=height=depth=1; break; + default : + throw CImgArgumentException("CImg<%s>::unroll() : Given axis is '%c' which is not 'x','y','z' or 'v'", + pixel_type(),axis); + } + return *this; + } + + CImg<T> get_unroll(const char axis) const { + return (+*this).unroll(axis); + } + + //! Get a diagonal matrix, whose diagonal coefficients are the coefficients of the input image. + CImg<T>& diagonal() { + return get_diagonal().transfer_to(*this); + } + + CImg<T> get_diagonal() const { + if (is_empty()) return *this; + CImg<T> res(size(),size(),1,1,0); + cimg_foroff(*this,off) res(off,off) = (*this)(off); + return res; + } + + //! Get an identity matrix having same dimension than instance image. + CImg<T>& identity_matrix() { + return identity_matrix(cimg::max(width,height)).transfer_to(*this); + } + + CImg<T> get_identity_matrix() const { + return identity_matrix(cimg::max(width,height)); + } + + //! Return a N-numbered sequence vector from \p a0 to \p a1. + CImg<T>& sequence(const T a0, const T a1) { + if (is_empty()) return *this; + const unsigned int siz = size() - 1; + T* ptr = data; + if (siz) { + const Tfloat delta = (Tfloat)a1 - a0; + cimg_foroff(*this,l) *(ptr++) = (T)(a0 + delta*l/siz); + } else *ptr = a0; + return *this; + } + + CImg<T> get_sequence(const T a0, const T a1) const { + return (+*this).sequence(a0,a1); + } + + //! Transpose the current matrix. + CImg<T>& transpose() { + if (width==1) { width=height; height=1; return *this; } + if (height==1) { height=width; width=1; return *this; } + if (width==height) { + cimg_forYZV(*this,y,z,v) for (int x=y; x<dimx(); ++x) cimg::swap((*this)(x,y,z,v),(*this)(y,x,z,v)); + return *this; + } + return get_transpose().transfer_to(*this); + } + + CImg<T> get_transpose() const { + return get_permute_axes("yxzv"); + } + + //! Invert the current matrix. + CImg<T>& invert(const bool use_LU=true) { + if (!is_empty()) { + if (width!=height || depth!=1 || dim!=1) + throw CImgInstanceException("CImg<%s>::invert() : Instance matrix (%u,%u,%u,%u,%p) is not square.", + pixel_type(),width,height,depth,dim,data); +#ifdef cimg_use_lapack + int INFO = (int)use_LU, N = width, LWORK = 4*N, *IPIV = new int[N]; + Tfloat + *lapA = new Tfloat[N*N], + *WORK = new Tfloat[LWORK]; + cimg_forXY(*this,k,l) lapA[k*N+l] = (Tfloat)((*this)(k,l)); + cimg::getrf(N,lapA,IPIV,INFO); + if (INFO) + cimg::warn("CImg<%s>::invert() : LAPACK library function dgetrf_() returned error code %d.", + pixel_type(),INFO); + else { + cimg::getri(N,lapA,IPIV,WORK,LWORK,INFO); + if (INFO) + cimg::warn("CImg<%s>::invert() : LAPACK library function dgetri_() returned Error code %d", + pixel_type(),INFO); + } + if (!INFO) cimg_forXY(*this,k,l) (*this)(k,l) = (T)(lapA[k*N+l]); else fill(0); + delete[] IPIV; delete[] lapA; delete[] WORK; +#else + const double dete = width>3?-1.0:det(); + if (dete!=0.0 && width==2) { + const double + a = data[0], c = data[1], + b = data[2], d = data[3]; + data[0] = (T)(d/dete); data[1] = (T)(-c/dete); + data[2] = (T)(-b/dete); data[3] = (T)(a/dete); + } else if (dete!=0.0 && width==3) { + const double + a = data[0], d = data[1], g = data[2], + b = data[3], e = data[4], h = data[5], + c = data[6], f = data[7], i = data[8]; + data[0] = (T)((i*e-f*h)/dete), data[1] = (T)((g*f-i*d)/dete), data[2] = (T)((d*h-g*e)/dete); + data[3] = (T)((h*c-i*b)/dete), data[4] = (T)((i*a-c*g)/dete), data[5] = (T)((g*b-a*h)/dete); + data[6] = (T)((b*f-e*c)/dete), data[7] = (T)((d*c-a*f)/dete), data[8] = (T)((a*e-d*b)/dete); + } else { + if (use_LU) { // LU-based inverse computation + CImg<Tfloat> A(*this), indx, col(1,width); + bool d; + A._LU(indx,d); + cimg_forX(*this,j) { + col.fill(0); + col(j) = 1; + col._solve(A,indx); + cimg_forX(*this,i) (*this)(j,i) = (T)col(i); + } + } else { // SVD-based inverse computation + CImg<Tfloat> U(width,width), S(1,width), V(width,width); + SVD(U,S,V,false); + U.transpose(); + cimg_forY(S,k) if (S[k]!=0) S[k]=1/S[k]; + S.diagonal(); + *this = V*S*U; + } + } +#endif + } + return *this; + } + + CImg<Tfloat> get_invert(const bool use_LU=true) const { + return CImg<Tfloat>(*this,false).invert(use_LU); + } + + //! Compute the pseudo-inverse (Moore-Penrose) of the matrix. + CImg<T>& pseudoinvert() { + return get_pseudoinvert().transfer_to(*this); + } + + CImg<Tfloat> get_pseudoinvert() const { + CImg<Tfloat> U, S, V; + SVD(U,S,V); + cimg_forX(V,x) { + const Tfloat s = S(x), invs = s!=0?1/s:(Tfloat)0; + cimg_forY(V,y) V(x,y)*=invs; + } + return V*U.transpose(); + } + + //! Compute the cross product between two 3d vectors. + template<typename t> + CImg<T>& cross(const CImg<t>& img) { + if (width!=1 || height<3 || img.width!=1 || img.height<3) + throw CImgInstanceException("CImg<%s>::cross() : Arguments (%u,%u,%u,%u,%p) and (%u,%u,%u,%u,%p) must be both 3d vectors.", + pixel_type(),width,height,depth,dim,data,img.width,img.height,img.depth,img.dim,img.data); + const T x = (*this)[0], y = (*this)[1], z = (*this)[2]; + (*this)[0] = (T)(y*img[2]-z*img[1]); + (*this)[1] = (T)(z*img[0]-x*img[2]); + (*this)[2] = (T)(x*img[1]-y*img[0]); + return *this; + } + + template<typename t> + CImg<typename cimg::superset<T,t>::type> get_cross(const CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImg<Tt>(*this).cross(img); + } + + //! Solve a linear system AX=B where B=*this. + template<typename t> + CImg<T>& solve(const CImg<t>& A) { + if (width!=1 || depth!=1 || dim!=1 || height!=A.height || A.depth!=1 || A.dim!=1) + throw CImgArgumentException("CImg<%s>::solve() : Instance matrix size is (%u,%u,%u,%u) while " + "size of given matrix A is (%u,%u,%u,%u).", + pixel_type(),width,height,depth,dim,A.width,A.height,A.depth,A.dim); + + typedef typename cimg::superset2<T,t,float>::type Ttfloat; + if (A.width==A.height) { +#ifdef cimg_use_lapack + char TRANS='N'; + int INFO, N = height, LWORK = 4*N, one = 1, *IPIV = new int[N]; + Ttfloat + *lapA = new Ttfloat[N*N], + *lapB = new Ttfloat[N], + *WORK = new Ttfloat[LWORK]; + cimg_forXY(A,k,l) lapA[k*N+l] = (Ttfloat)(A(k,l)); + cimg_forY(*this,i) lapB[i] = (Ttfloat)((*this)(i)); + cimg::getrf(N,lapA,IPIV,INFO); + if (INFO) + cimg::warn("CImg<%s>::solve() : LAPACK library function dgetrf_() returned error code %d.", + pixel_type(),INFO); + if (!INFO) { + cimg::getrs(TRANS,N,lapA,IPIV,lapB,INFO); + if (INFO) + cimg::warn("CImg<%s>::solve() : LAPACK library function dgetrs_() returned Error code %d", + pixel_type(),INFO); + } + if (!INFO) cimg_forY(*this,i) (*this)(i) = (T)(lapB[i]); else fill(0); + delete[] IPIV; delete[] lapA; delete[] lapB; delete[] WORK; +#else + CImg<Ttfloat> lu(A); + CImg<Ttfloat> indx; + bool d; + lu._LU(indx,d); + _solve(lu,indx); +#endif + } else assign(A.get_pseudoinvert()*(*this)); + return *this; + } + + template<typename t> + CImg<typename cimg::superset2<T,t,float>::type> get_solve(const CImg<t>& A) const { + typedef typename cimg::superset2<T,t,float>::type Ttfloat; + return CImg<Ttfloat>(*this,false).solve(A); + } + + template<typename t, typename ti> + CImg<T>& _solve(const CImg<t>& A, const CImg<ti>& indx) { + typedef typename cimg::superset2<T,t,float>::type Ttfloat; + const int N = size(); + int ii = -1; + Ttfloat sum; + for (int i=0; i<N; ++i) { + const int ip = (int)indx[i]; + Ttfloat sum = (*this)(ip); + (*this)(ip) = (*this)(i); + if (ii>=0) for (int j=ii; j<=i-1; ++j) sum-=A(j,i)*(*this)(j); + else if (sum!=0) ii=i; + (*this)(i) = (T)sum; + } + { for (int i=N-1; i>=0; --i) { + sum = (*this)(i); + for (int j=i+1; j<N; ++j) sum-=A(j,i)*(*this)(j); + (*this)(i) = (T)(sum/A(i,i)); + }} + return *this; + } + + //! Solve a linear system AX=B where B=*this and A is a tridiagonal matrix A = [ b0,c0,0,...; a1,b1,c1,0,... ; ... ; ...,0,aN,bN ]. + // (Use the Thomas Algorithm). + template<typename t> + CImg<T>& solve_tridiagonal(const CImg<t>& a, const CImg<t>& b, const CImg<t>& c) { + const int siz = (int)size(); + if ((int)a.size()!=siz || (int)b.size()!=siz || (int)c.size()!=siz) + throw CImgArgumentException("CImg<%s>::solve_tridiagonal() : arrays of triagonal coefficients have different size.",pixel_type); + typedef typename cimg::superset2<T,t,float>::type Ttfloat; + CImg<Ttfloat> nc(siz); + const T *ptra = a.data, *ptrb = b.data, *ptrc = c.data; + T *ptrnc = nc.data, *ptrd = data; + const Ttfloat valb0 = (Ttfloat)*(ptrb++); + *ptrnc = *(ptrc++)/valb0; + Ttfloat vald = (Ttfloat)(*(ptrd++)/=valb0); + for (int i = 1; i<siz; ++i) { + const Ttfloat + vala = (Tfloat)*(ptra++), + id = 1/(*(ptrb++) - *(ptrnc++)*vala); + *ptrnc = *(ptrc++)*id; + vald = ((*ptrd-=vala*vald)*=id); + ++ptrd; + } + vald = *(--ptrd); + for (int i = siz-2; i>=0; --i) vald = (*(--ptrd)-=*(--ptrnc)*vald); + return *this; + } + + template<typename t> + CImg<typename cimg::superset2<T,t,float>::type> get_solve_tridiagonal(const CImg<t>& a, const CImg<t>& b, const CImg<t>& c) const { + typedef typename cimg::superset2<T,t,float>::type Ttfloat; + return CImg<Ttfloat>(*this,false).solve_tridiagonal(a,b,c); + } + + //! Sort values of a vector and get permutations. + template<typename t> + CImg<T>& sort(CImg<t>& permutations, const bool increasing=true) { + if (is_empty()) permutations.assign(); + else { + if (permutations.size()!=size()) permutations.assign(size()); + cimg_foroff(permutations,off) permutations[off] = (t)off; + _quicksort(0,size()-1,permutations,increasing); + } + return *this; + } + + template<typename t> + CImg<T> get_sort(CImg<t>& permutations, const bool increasing=true) const { + return (+*this).sort(permutations,increasing); + } + + // Sort image values. + CImg<T>& sort(const bool increasing=true) { + CImg<T> foo; + return sort(foo,increasing); + } + + CImg<T> get_sort(const bool increasing=true) const { + return (+*this).sort(increasing); + } + + template<typename t> + CImg<T>& _quicksort(const int min, const int max, CImg<t>& permutations, const bool increasing) { + if (min<max) { + const int mid = (min+max)/2; + if (increasing) { + if ((*this)[min]>(*this)[mid]) { + cimg::swap((*this)[min],(*this)[mid]); cimg::swap(permutations[min],permutations[mid]); } + if ((*this)[mid]>(*this)[max]) { + cimg::swap((*this)[max],(*this)[mid]); cimg::swap(permutations[max],permutations[mid]); } + if ((*this)[min]>(*this)[mid]) { + cimg::swap((*this)[min],(*this)[mid]); cimg::swap(permutations[min],permutations[mid]); } + } else { + if ((*this)[min]<(*this)[mid]) { + cimg::swap((*this)[min],(*this)[mid]); cimg::swap(permutations[min],permutations[mid]); } + if ((*this)[mid]<(*this)[max]) { + cimg::swap((*this)[max],(*this)[mid]); cimg::swap(permutations[max],permutations[mid]); } + if ((*this)[min]<(*this)[mid]) { + cimg::swap((*this)[min],(*this)[mid]); cimg::swap(permutations[min],permutations[mid]); } + } + if (max-min>=3) { + const T pivot = (*this)[mid]; + int i = min, j = max; + if (increasing) { + do { + while ((*this)[i]<pivot) ++i; + while ((*this)[j]>pivot) --j; + if (i<=j) { + cimg::swap((*this)[i],(*this)[j]); + cimg::swap(permutations[i++],permutations[j--]); + } + } while (i<=j); + } else { + do { + while ((*this)[i]>pivot) ++i; + while ((*this)[j]<pivot) --j; + if (i<=j) { + cimg::swap((*this)[i],(*this)[j]); + cimg::swap(permutations[i++],permutations[j--]); + } + } while (i<=j); + } + if (min<j) _quicksort(min,j,permutations,increasing); + if (i<max) _quicksort(i,max,permutations,increasing); + } + } + return *this; + } + + //! Get a permutation of the pixels. + template<typename t> + CImg<T>& permute(const CImg<t>& permutation) { + return get_permute(permutation).transfer_to(*this); + } + + template<typename t> + CImg<T> get_permute(const CImg<t>& permutation) const { + if (permutation.size()!=size()) + throw CImgArgumentException("CImg<%s>::permute() : Instance image (%u,%u,%u,%u,%p) and permutation (%u,%u,%u,%u,%p)" + "have different sizes.", + pixel_type(),width,height,depth,dim,data, + permutation.width,permutation.height,permutation.depth,permutation.dim,permutation.data); + CImg<T> res(width,height,depth,dim); + const t *p = permutation.ptr(permutation.size()); + cimg_for(res,ptr,T) *ptr = (*this)[*(--p)]; + return res; + } + + //! Compute the SVD of a general matrix. + template<typename t> + const CImg<T>& SVD(CImg<t>& U, CImg<t>& S, CImg<t>& V, + const bool sorting=true, const unsigned int max_iter=40, const float lambda=0) const { + if (is_empty()) { U.assign(); S.assign(); V.assign(); } + else { + U = *this; + if (lambda!=0) { + const unsigned int delta = cimg::min(U.width,U.height); + for (unsigned int i=0; i<delta; ++i) U(i,i) = (t)(U(i,i) + lambda); + } + if (S.size()<width) S.assign(1,width); + if (V.width<width || V.height<height) V.assign(width,width); + CImg<t> rv1(width); + t anorm = 0, c, f, g = 0, h, s, scale = 0; + int l = 0, nm = 0; + + cimg_forX(U,i) { + l = i+1; rv1[i] = scale*g; g = s = scale = 0; + if (i<dimy()) { + for (int k=i; k<dimy(); ++k) scale+= cimg::abs(U(i,k)); + if (scale) { + for (int k=i; k<dimy(); ++k) { U(i,k)/=scale; s+= U(i,k)*U(i,k); } + f = U(i,i); g = (t)((f>=0?-1:1)*cimg_std::sqrt(s)); h=f*g-s; U(i,i) = f-g; + for (int j=l; j<dimx(); ++j) { + s = 0; for (int k=i; k<dimy(); ++k) s+= U(i,k)*U(j,k); + f = s/h; + { for (int k=i; k<dimy(); ++k) U(j,k)+= f*U(i,k); } + } + { for (int k=i; k<dimy(); ++k) U(i,k)*= scale; } + } + } + S[i]=scale*g; + + g = s = scale = 0; + if (i<dimy() && i!=dimx()-1) { + for (int k=l; k<dimx(); ++k) scale += cimg::abs(U(k,i)); + if (scale) { + for (int k=l; k<dimx(); ++k) { U(k,i)/= scale; s+= U(k,i)*U(k,i); } + f = U(l,i); g = (t)((f>=0?-1:1)*cimg_std::sqrt(s)); h = f*g-s; U(l,i) = f-g; + { for (int k=l; k<dimx(); ++k) rv1[k]=U(k,i)/h; } + for (int j=l; j<dimy(); ++j) { + s = 0; for (int k=l; k<dimx(); ++k) s+= U(k,j)*U(k,i); + { for (int k=l; k<dimx(); ++k) U(k,j)+= s*rv1[k]; } + } + { for (int k=l; k<dimx(); ++k) U(k,i)*= scale; } + } + } + anorm = (t)cimg::max((float)anorm,(float)(cimg::abs(S[i])+cimg::abs(rv1[i]))); + } + + { for (int i=dimx()-1; i>=0; --i) { + if (i<dimx()-1) { + if (g) { + { for (int j=l; j<dimx(); ++j) V(i,j) =(U(j,i)/U(l,i))/g; } + for (int j=l; j<dimx(); ++j) { + s = 0; for (int k=l; k<dimx(); ++k) s+= U(k,i)*V(j,k); + { for (int k=l; k<dimx(); ++k) V(j,k)+= s*V(i,k); } + } + } + for (int j=l; j<dimx(); ++j) V(j,i) = V(i,j) = (t)0.0; + } + V(i,i) = (t)1.0; g = rv1[i]; l = i; + } + } + + { for (int i=cimg::min(dimx(),dimy())-1; i>=0; --i) { + l = i+1; g = S[i]; + for (int j=l; j<dimx(); ++j) U(j,i) = 0; + if (g) { + g = 1/g; + for (int j=l; j<dimx(); ++j) { + s = 0; for (int k=l; k<dimy(); ++k) s+= U(i,k)*U(j,k); + f = (s/U(i,i))*g; + { for (int k=i; k<dimy(); ++k) U(j,k)+= f*U(i,k); } + } + { for (int j=i; j<dimy(); ++j) U(i,j)*= g; } + } else for (int j=i; j<dimy(); ++j) U(i,j) = 0; + ++U(i,i); + } + } + + for (int k=dimx()-1; k>=0; --k) { + for (unsigned int its=0; its<max_iter; ++its) { + bool flag = true; + for (l=k; l>=1; --l) { + nm = l-1; + if ((cimg::abs(rv1[l])+anorm)==anorm) { flag = false; break; } + if ((cimg::abs(S[nm])+anorm)==anorm) break; + } + if (flag) { + c = 0; s = 1; + for (int i=l; i<=k; ++i) { + f = s*rv1[i]; rv1[i] = c*rv1[i]; + if ((cimg::abs(f)+anorm)==anorm) break; + g = S[i]; h = (t)cimg::_pythagore(f,g); S[i] = h; h = 1/h; c = g*h; s = -f*h; + cimg_forY(U,j) { const t y = U(nm,j), z = U(i,j); U(nm,j) = y*c+z*s; U(i,j) = z*c-y*s; } + } + } + const t z = S[k]; + if (l==k) { if (z<0) { S[k] = -z; cimg_forX(U,j) V(k,j) = -V(k,j); } break; } + nm = k-1; + t x = S[l], y = S[nm]; + g = rv1[nm]; h = rv1[k]; + f = ((y-z)*(y+z)+(g-h)*(g+h))/(2*h*y); + g = (t)cimg::_pythagore(f,1.0); + f = ((x-z)*(x+z)+h*((y/(f+ (f>=0?g:-g)))-h))/x; + c = s = 1; + for (int j=l; j<=nm; ++j) { + const int i = j+1; + g = rv1[i]; h = s*g; g = c*g; + t y = S[i]; + t z = (t)cimg::_pythagore(f,h); + rv1[j] = z; c = f/z; s = h/z; + f = x*c+g*s; g = g*c-x*s; h = y*s; y*=c; + cimg_forX(U,jj) { const t x = V(j,jj), z = V(i,jj); V(j,jj) = x*c+z*s; V(i,jj) = z*c-x*s; } + z = (t)cimg::_pythagore(f,h); S[j] = z; + if (z) { z = 1/z; c = f*z; s = h*z; } + f = c*g+s*y; x = c*y-s*g; + { cimg_forY(U,jj) { const t y = U(j,jj); z = U(i,jj); U(j,jj) = y*c+z*s; U(i,jj) = z*c-y*s; }} + } + rv1[l] = 0; rv1[k]=f; S[k]=x; + } + } + + if (sorting) { + CImg<intT> permutations(width); + CImg<t> tmp(width); + S.sort(permutations,false); + cimg_forY(U,k) { + cimg_forX(permutations,x) tmp(x) = U(permutations(x),k); + cimg_std::memcpy(U.ptr(0,k),tmp.data,sizeof(t)*width); + } + { cimg_forY(V,k) { + cimg_forX(permutations,x) tmp(x) = V(permutations(x),k); + cimg_std::memcpy(V.ptr(0,k),tmp.data,sizeof(t)*width); + }} + } + } + return *this; + } + + //! Compute the SVD of a general matrix. + template<typename t> + const CImg<T>& SVD(CImgList<t>& USV) const { + if (USV.size<3) USV.assign(3); + return SVD(USV[0],USV[1],USV[2]); + } + + //! Compute the SVD of a general matrix. + CImgList<Tfloat> get_SVD(const bool sorting=true) const { + CImgList<Tfloat> res(3); + SVD(res[0],res[1],res[2],sorting); + return res; + } + + // INNER ROUTINE : Compute the LU decomposition of a permuted matrix (c.f. numerical recipies) + template<typename t> + CImg<T>& _LU(CImg<t>& indx, bool& d) { + const int N = dimx(); + int imax = 0; + CImg<Tfloat> vv(N); + indx.assign(N); + d = true; + cimg_forX(*this,i) { + Tfloat vmax = 0; + cimg_forX(*this,j) { + const Tfloat tmp = cimg::abs((*this)(j,i)); + if (tmp>vmax) vmax = tmp; + } + if (vmax==0) { indx.fill(0); return fill(0); } + vv[i] = 1/vmax; + } + cimg_forX(*this,j) { + for (int i=0; i<j; ++i) { + Tfloat sum=(*this)(j,i); + for (int k=0; k<i; ++k) sum-=(*this)(k,i)*(*this)(j,k); + (*this)(j,i) = (T)sum; + } + Tfloat vmax = 0; + { for (int i=j; i<dimx(); ++i) { + Tfloat sum=(*this)(j,i); + for (int k=0; k<j; ++k) sum-=(*this)(k,i)*(*this)(j,k); + (*this)(j,i) = (T)sum; + const Tfloat tmp = vv[i]*cimg::abs(sum); + if (tmp>=vmax) { vmax=tmp; imax=i; } + }} + if (j!=imax) { + cimg_forX(*this,k) cimg::swap((*this)(k,imax),(*this)(k,j)); + d =!d; + vv[imax] = vv[j]; + } + indx[j] = (t)imax; + if ((*this)(j,j)==0) (*this)(j,j) = (T)1e-20; + if (j<N) { + const Tfloat tmp = 1/(Tfloat)(*this)(j,j); + for (int i=j+1; i<N; ++i) (*this)(j,i) = (T)((*this)(j,i)*tmp); + } + } + return *this; + } + + //! Compute the eigenvalues and eigenvectors of a matrix. + template<typename t> + const CImg<T>& eigen(CImg<t>& val, CImg<t> &vec) const { + if (is_empty()) { val.assign(); vec.assign(); } + else { + if (width!=height || depth>1 || dim>1) + throw CImgInstanceException("CImg<%s>::eigen() : Instance object (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + if (val.size()<width) val.assign(1,width); + if (vec.size()<width*width) vec.assign(width,width); + switch (width) { + case 1 : { val[0]=(t)(*this)[0]; vec[0]=(t)1; } break; + case 2 : { + const double a = (*this)[0], b = (*this)[1], c = (*this)[2], d = (*this)[3], e = a+d; + double f = e*e-4*(a*d-b*c); + if (f<0) + cimg::warn("CImg<%s>::eigen() : Complex eigenvalues", + pixel_type()); + f = cimg_std::sqrt(f); + const double l1 = 0.5*(e-f), l2 = 0.5*(e+f); + const double theta1 = cimg_std::atan2(l2-a,b), theta2 = cimg_std::atan2(l1-a,b); + val[0]=(t)l2; + val[1]=(t)l1; + vec(0,0) = (t)cimg_std::cos(theta1); + vec(0,1) = (t)cimg_std::sin(theta1); + vec(1,0) = (t)cimg_std::cos(theta2); + vec(1,1) = (t)cimg_std::sin(theta2); + } break; + default : + throw CImgInstanceException("CImg<%s>::eigen() : Eigenvalues computation of general matrices is limited" + "to 2x2 matrices (given is %ux%u)", + pixel_type(),width,height); + } + } + return *this; + } + + //! Compute the eigenvalues and eigenvectors of a matrix. + CImgList<Tfloat> get_eigen() const { + CImgList<Tfloat> res(2); + eigen(res[0],res[1]); + return res; + } + + //! Compute the eigenvalues and eigenvectors of a symmetric matrix. + template<typename t> + const CImg<T>& symmetric_eigen(CImg<t>& val, CImg<t>& vec) const { + if (is_empty()) { val.assign(); vec.assign(); } + else { +#ifdef cimg_use_lapack + char JOB = 'V', UPLO = 'U'; + int N = width, LWORK = 4*N, INFO; + Tfloat + *lapA = new Tfloat[N*N], + *lapW = new Tfloat[N], + *WORK = new Tfloat[LWORK]; + cimg_forXY(*this,k,l) lapA[k*N+l] = (Tfloat)((*this)(k,l)); + cimg::syev(JOB,UPLO,N,lapA,lapW,WORK,LWORK,INFO); + if (INFO) + cimg::warn("CImg<%s>::symmetric_eigen() : LAPACK library function dsyev_() returned error code %d.", + pixel_type(),INFO); + val.assign(1,N); + vec.assign(N,N); + if (!INFO) { + cimg_forY(val,i) val(i) = (T)lapW[N-1-i]; + cimg_forXY(vec,k,l) vec(k,l) = (T)(lapA[(N-1-k)*N+l]); + } else { val.fill(0); vec.fill(0); } + delete[] lapA; delete[] lapW; delete[] WORK; +#else + if (width!=height || depth>1 || dim>1) + throw CImgInstanceException("CImg<%s>::eigen() : Instance object (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + val.assign(1,width); + if (vec.data) vec.assign(width,width); + if (width<3) return eigen(val,vec); + CImg<t> V(width,width); + SVD(vec,val,V,false); + bool ambiguous = false; + float eig = 0; + cimg_forY(val,p) { // check for ambiguous cases. + if (val[p]>eig) eig = (float)val[p]; + t scal = 0; + cimg_forY(vec,y) scal+=vec(p,y)*V(p,y); + if (cimg::abs(scal)<0.9f) ambiguous = true; + if (scal<0) val[p] = -val[p]; + } + if (ambiguous) { + (eig*=2)++; + SVD(vec,val,V,false,40,eig); + val-=eig; + } + CImg<intT> permutations(width); // sort eigenvalues in decreasing order + CImg<t> tmp(width); + val.sort(permutations,false); + cimg_forY(vec,k) { + cimg_forX(permutations,x) tmp(x) = vec(permutations(x),k); + cimg_std::memcpy(vec.ptr(0,k),tmp.data,sizeof(t)*width); + } +#endif + } + return *this; + } + + //! Compute the eigenvalues and eigenvectors of a symmetric matrix. + CImgList<Tfloat> get_symmetric_eigen() const { + CImgList<Tfloat> res(2); + symmetric_eigen(res[0],res[1]); + return res; + } + + //@} + //------------------- + // + //! \name Display + //@{ + //------------------- + + //! Display an image into a CImgDisplay window. + const CImg<T>& display(CImgDisplay& disp) const { + disp.display(*this); + return *this; + } + + //! Display an image in a window with a title \p title, and wait a 'is_closed' or 'keyboard' event.\n + const CImg<T>& display(CImgDisplay &disp, const bool display_info) const { + return _display(disp,0,display_info); + } + + //! Display an image in a window with a title \p title, and wait a 'is_closed' or 'keyboard' event.\n + const CImg<T>& display(const char *const title=0, const bool display_info=true) const { + CImgDisplay disp; + return _display(disp,title,display_info); + } + + const CImg<T>& _display(CImgDisplay &disp, const char *const title, const bool display_info) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::display() : Instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + unsigned int oldw = 0, oldh = 0, XYZ[3], key = 0, mkey = 0; + int x0 = 0, y0 = 0, z0 = 0, x1 = dimx()-1, y1 = dimy()-1, z1 = dimz()-1; + float frametiming = 5; + + char ntitle[256] = { 0 }; + if (!disp) { + if (!title) cimg_std::sprintf(ntitle,"CImg<%s>",pixel_type()); + disp.assign(cimg_fitscreen(width,height,depth),title?title:ntitle,1); + } + cimg_std::strncpy(ntitle,disp.title,255); + if (display_info) print(ntitle); + + CImg<T> zoom; + for (bool reset_view = true, resize_disp = false; !key && !disp.is_closed; ) { + if (reset_view) { + XYZ[0] = (x0 + x1)/2; XYZ[1] = (y0 + y1)/2; XYZ[2] = (z0 + z1)/2; + x0 = 0; y0 = 0; z0 = 0; x1 = width-1; y1 = height-1; z1 = depth-1; + oldw = disp.width; oldh = disp.height; + reset_view = false; + } + if (!x0 && !y0 && !z0 && x1==dimx()-1 && y1==dimy()-1 && z1==dimz()-1) zoom.assign(); + else zoom = get_crop(x0,y0,z0,x1,y1,z1); + + const unsigned int + dx = 1 + x1 - x0, dy = 1 + y1 - y0, dz = 1 + z1 - z0, + tw = dx + (dz>1?dz:0), th = dy + (dz>1?dz:0); + if (resize_disp) { + const unsigned int + ttw = tw*disp.width/oldw, tth = th*disp.height/oldh, + dM = cimg::max(ttw,tth), diM = cimg::max(disp.width,disp.height), + imgw = cimg::max(16U,ttw*diM/dM), imgh = cimg::max(16U,tth*diM/dM); + disp.normalscreen().resize(cimg_fitscreen(imgw,imgh,1),false); + resize_disp = false; + } + oldw = tw; oldh = th; + + bool + go_up = false, go_down = false, go_left = false, go_right = false, + go_inc = false, go_dec = false, go_in = false, go_out = false, + go_in_center = false; + const CImg<T>& visu = zoom?zoom:*this; + const CImg<intT> selection = visu._get_select(disp,0,2,XYZ,0,x0,y0,z0); + if (disp.wheel) { + if (disp.is_keyCTRLLEFT) { if (!mkey || mkey==1) go_out = !(go_in = disp.wheel>0); go_in_center = false; mkey = 1; } + else if (disp.is_keySHIFTLEFT) { if (!mkey || mkey==2) go_right = !(go_left = disp.wheel>0); mkey = 2; } + else if (disp.is_keyALT || depth==1) { if (!mkey || mkey==3) go_down = !(go_up = disp.wheel>0); mkey = 3; } + else mkey = 0; + disp.wheel = 0; + } else mkey = 0; + const int + sx0 = selection(0), sy0 = selection(1), sz0 = selection(2), + sx1 = selection(3), sy1 = selection(4), sz1 = selection(5); + if (sx0>=0 && sy0>=0 && sz0>=0 && sx1>=0 && sy1>=0 && sz1>=0) { + x1 = x0 + sx1; y1 = y0 + sy1; z1 = z0 + sz1; x0+=sx0; y0+=sy0; z0+=sz0; + if (sx0==sx1 && sy0==sy1 && sz0==sz1) reset_view = true; + resize_disp = true; + } else switch (key = disp.key) { + case 0 : case cimg::keyCTRLLEFT : case cimg::keyPAD5 : case cimg::keySHIFTLEFT : case cimg::keyALT : disp.key = key = 0; break; + case cimg::keyP : if (visu.depth>1 && disp.is_keyCTRLLEFT) { // Special mode : play stack of frames + const unsigned int + w1 = visu.width*disp.width/(visu.width+(visu.depth>1?visu.depth:0)), + h1 = visu.height*disp.height/(visu.height+(visu.depth>1?visu.depth:0)); + disp.resize(cimg_fitscreen(w1,h1,1),false).key = disp.wheel = key = 0; + for (unsigned int timer = 0; !key && !disp.is_closed && !disp.button; ) { + if (disp.is_resized) disp.resize(); + if (!timer) { + visu.get_slice(XYZ[2]).display(disp.set_title("%s | z=%d",ntitle,XYZ[2])); + if (++XYZ[2]>=visu.depth) XYZ[2] = 0; + } + if (++timer>(unsigned int)frametiming) timer = 0; + if (disp.wheel) { frametiming-=disp.wheel/3.0f; disp.wheel = 0; } + switch (key = disp.key) { + case 0 : case cimg::keyCTRLLEFT : disp.key = key = 0; break; + case cimg::keyPAGEUP : frametiming-=0.3f; key = 0; break; + case cimg::keyPAGEDOWN : frametiming+=0.3f; key = 0; break; + case cimg::keyD : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,false), + CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,true),false); + disp.key = key = 0; + } break; + case cimg::keyC : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(2*disp.width/3,2*disp.height/3,1),false); + disp.key = key = 0; + } break; + case cimg::keyR : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(width,height,depth),false); + disp.key = key = 0; + } break; + case cimg::keyF : if (disp.is_keyCTRLLEFT) { + disp.resize(disp.screen_dimx(),disp.screen_dimy()).toggle_fullscreen(); + disp.key = key = 0; + } break; + } + frametiming = frametiming<1?1:(frametiming>39?39:frametiming); + disp.wait(20); + } + const unsigned int + w2 = (visu.width + (visu.depth>1?visu.depth:0))*disp.width/visu.width, + h2 = (visu.height + (visu.depth>1?visu.depth:0))*disp.height/visu.height; + disp.resize(cimg_fitscreen(w2,h2,1),false).set_title(ntitle); + key = disp.key = disp.button = disp.wheel = 0; + } break; + case cimg::keyHOME : case cimg::keyBACKSPACE : reset_view = resize_disp = true; key = 0; break; + case cimg::keyPADADD : go_in = true; go_in_center = true; key = 0; break; + case cimg::keyPADSUB : go_out = true; key = 0; break; + case cimg::keyARROWLEFT : case cimg::keyPAD4: go_left = true; key = 0; break; + case cimg::keyARROWRIGHT : case cimg::keyPAD6: go_right = true; key = 0; break; + case cimg::keyARROWUP : case cimg::keyPAD8: go_up = true; key = 0; break; + case cimg::keyARROWDOWN : case cimg::keyPAD2: go_down = true; key = 0; break; + case cimg::keyPAD7 : go_up = go_left = true; key = 0; break; + case cimg::keyPAD9 : go_up = go_right = true; key = 0; break; + case cimg::keyPAD1 : go_down = go_left = true; key = 0; break; + case cimg::keyPAD3 : go_down = go_right = true; key = 0; break; + case cimg::keyPAGEUP : go_inc = true; key = 0; break; + case cimg::keyPAGEDOWN : go_dec = true; key = 0; break; + } + if (go_in) { + const int + mx = go_in_center?disp.dimx()/2:disp.mouse_x, + my = go_in_center?disp.dimy()/2:disp.mouse_y, + mX = mx*(width+(depth>1?depth:0))/disp.width, + mY = my*(height+(depth>1?depth:0))/disp.height; + int X = XYZ[0], Y = XYZ[1], Z = XYZ[2]; + if (mX<dimx() && mY<dimy()) { X = x0 + mX*(1+x1-x0)/width; Y = y0 + mY*(1+y1-y0)/height; Z = XYZ[2]; } + if (mX<dimx() && mY>=dimy()) { X = x0 + mX*(1+x1-x0)/width; Z = z0 + (mY-height)*(1+z1-z0)/depth; Y = XYZ[1]; } + if (mX>=dimx() && mY<dimy()) { Y = y0 + mY*(1+y1-y0)/height; Z = z0 + (mX-width)*(1+z1-z0)/depth; X = XYZ[0]; } + if (x1-x0>4) { x0 = X - 7*(X-x0)/8; x1 = X + 7*(x1-X)/8; } + if (y1-y0>4) { y0 = Y - 7*(Y-y0)/8; y1 = Y + 7*(y1-Y)/8; } + if (z1-z0>4) { z0 = Z - 7*(Z-z0)/8; z1 = Z + 7*(z1-Z)/8; } + } + if (go_out) { + const int + deltax = (x1-x0)/8, deltay = (y1-y0)/8, deltaz = (z1-z0)/8, + ndeltax = deltax?deltax:(width>1?1:0), + ndeltay = deltay?deltay:(height>1?1:0), + ndeltaz = deltaz?deltaz:(depth>1?1:0); + x0-=ndeltax; y0-=ndeltay; z0-=ndeltaz; + x1+=ndeltax; y1+=ndeltay; z1+=ndeltaz; + if (x0<0) { x1-=x0; x0 = 0; if (x1>=dimx()) x1 = dimx()-1; } + if (y0<0) { y1-=y0; y0 = 0; if (y1>=dimy()) y1 = dimy()-1; } + if (z0<0) { z1-=z0; z0 = 0; if (z1>=dimz()) z1 = dimz()-1; } + if (x1>=dimx()) { x0-=(x1-dimx()+1); x1 = dimx()-1; if (x0<0) x0 = 0; } + if (y1>=dimy()) { y0-=(y1-dimy()+1); y1 = dimy()-1; if (y0<0) y0 = 0; } + if (z1>=dimz()) { z0-=(z1-dimz()+1); z1 = dimz()-1; if (z0<0) z0 = 0; } + } + if (go_left) { + const int delta = (x1-x0)/5, ndelta = delta?delta:(width>1?1:0); + if (x0-ndelta>=0) { x0-=ndelta; x1-=ndelta; } + else { x1-=x0; x0 = 0; } + } + if (go_right) { + const int delta = (x1-x0)/5, ndelta = delta?delta:(width>1?1:0); + if (x1+ndelta<dimx()) { x0+=ndelta; x1+=ndelta; } + else { x0+=(dimx()-1-x1); x1 = dimx()-1; } + } + if (go_up) { + const int delta = (y1-y0)/5, ndelta = delta?delta:(height>1?1:0); + if (y0-ndelta>=0) { y0-=ndelta; y1-=ndelta; } + else { y1-=y0; y0 = 0; } + } + if (go_down) { + const int delta = (y1-y0)/5, ndelta = delta?delta:(height>1?1:0); + if (y1+ndelta<dimy()) { y0+=ndelta; y1+=ndelta; } + else { y0+=(dimy()-1-y1); y1 = dimy()-1; } + } + if (go_inc) { + const int delta = (z1-z0)/5, ndelta = delta?delta:(depth>1?1:0); + if (z0-ndelta>=0) { z0-=ndelta; z1-=ndelta; } + else { z1-=z0; z0 = 0; } + } + if (go_dec) { + const int delta = (z1-z0)/5, ndelta = delta?delta:(depth>1?1:0); + if (z1+ndelta<dimz()) { z0+=ndelta; z1+=ndelta; } + else { z0+=(depth-1-z1); z1 = depth-1; } + } + } + disp.key = key; + return *this; + } + + //! Simple interface to select a shape from an image. + /** + \param selection Array of 6 values containing the selection result + \param coords_type Determine shape type to select (0=point, 1=vector, 2=rectangle, 3=circle) + \param disp Display window used to make the selection + \param XYZ Initial XYZ position (for volumetric images only) + \param color Color of the shape selector. + **/ + CImg<T>& select(CImgDisplay &disp, + const int select_type=2, unsigned int *const XYZ=0, + const unsigned char *const color=0) { + return get_select(disp,select_type,XYZ,color).transfer_to(*this); + } + + //! Simple interface to select a shape from an image. + CImg<T>& select(const char *const title, + const int select_type=2, unsigned int *const XYZ=0, + const unsigned char *const color=0) { + return get_select(title,select_type,XYZ,color).transfer_to(*this); + } + + //! Simple interface to select a shape from an image. + CImg<intT> get_select(CImgDisplay &disp, + const int select_type=2, unsigned int *const XYZ=0, + const unsigned char *const color=0) const { + return _get_select(disp,0,select_type,XYZ,color,0,0,0); + } + + //! Simple interface to select a shape from an image. + CImg<intT> get_select(const char *const title, + const int select_type=2, unsigned int *const XYZ=0, + const unsigned char *const color=0) const { + CImgDisplay disp; + return _get_select(disp,title,select_type,XYZ,color,0,0,0); + } + + CImg<intT> _get_select(CImgDisplay &disp, const char *const title, + const int coords_type, unsigned int *const XYZ, + const unsigned char *const color, + const int origX, const int origY, const int origZ) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::select() : Instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + if (!disp) { + char ntitle[64] = { 0 }; if (!title) { cimg_std::sprintf(ntitle,"CImg<%s>",pixel_type()); } + disp.assign(cimg_fitscreen(width,height,depth),title?title:ntitle,1); + } + + const unsigned int + old_normalization = disp.normalization, + hatch = 0x55555555; + + bool old_is_resized = disp.is_resized; + disp.normalization = 0; + disp.show().key = 0; + + unsigned char foreground_color[] = { 255,255,105 }, background_color[] = { 0,0,0 }; + if (color) cimg_std::memcpy(foreground_color,color,sizeof(unsigned char)*cimg::min(3,dimv())); + + int area = 0, clicked_area = 0, phase = 0, + X0 = (int)((XYZ?XYZ[0]:width/2)%width), Y0 = (int)((XYZ?XYZ[1]:height/2)%height), Z0 = (int)((XYZ?XYZ[2]:depth/2)%depth), + X1 =-1, Y1 = -1, Z1 = -1, + X = -1, Y = -1, Z = -1, + oX = X, oY = Y, oZ = Z; + unsigned int old_button = 0, key = 0; + + bool shape_selected = false, text_down = false; + CImg<ucharT> visu, visu0; + char text[1024] = { 0 }; + + while (!key && !disp.is_closed && !shape_selected) { + + // Handle mouse motion and selection + oX = X; oY = Y; oZ = Z; + int mx = disp.mouse_x, my = disp.mouse_y; + const int mX = mx*(width+(depth>1?depth:0))/disp.width, mY = my*(height+(depth>1?depth:0))/disp.height; + + area = 0; + if (mX<dimx() && mY<dimy()) { area = 1; X = mX; Y = mY; Z = phase?Z1:Z0; } + if (mX<dimx() && mY>=dimy()) { area = 2; X = mX; Z = mY-height; Y = phase?Y1:Y0; } + if (mX>=dimx() && mY<dimy()) { area = 3; Y = mY; Z = mX-width; X = phase?X1:X0; } + + switch (key = disp.key) { + case 0 : case cimg::keyCTRLLEFT : disp.key = key = 0; break; + case cimg::keyPAGEUP : if (disp.is_keyCTRLLEFT) { ++disp.wheel; key = 0; } break; + case cimg::keyPAGEDOWN : if (disp.is_keyCTRLLEFT) { --disp.wheel; key = 0; } break; + case cimg::keyD : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,false), + CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,true),false).is_resized = true; + disp.key = key = 0; + } break; + case cimg::keyC : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(2*disp.width/3,2*disp.height/3,1),false).is_resized = true; + disp.key = key = 0; visu0.assign(); + } break; + case cimg::keyR : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(width,height,depth),false).is_resized = true; + disp.key = key = 0; visu0.assign(); + } break; + case cimg::keyF : if (disp.is_keyCTRLLEFT) { + disp.resize(disp.screen_dimx(),disp.screen_dimy(),false).toggle_fullscreen().is_resized = true; + disp.key = key = 0; visu0.assign(); + } break; + case cimg::keyS : if (disp.is_keyCTRLLEFT) { + static unsigned int snap_number = 0; + char filename[32] = { 0 }; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filename,"CImg_%.4u.bmp",snap_number++); + if ((file=cimg_std::fopen(filename,"r"))!=0) cimg_std::fclose(file); + } while (file); + if (visu0) { + visu.draw_text(2,2,"Saving snapshot...",foreground_color,background_color,0.8f,11).display(disp); + visu0.save(filename); + visu.draw_text(2,2,"Snapshot '%s' saved.",foreground_color,background_color,0.8f,11,filename).display(disp); + } + disp.key = key = 0; + } break; + case cimg::keyO : if (disp.is_keyCTRLLEFT) { + static unsigned int snap_number = 0; + char filename[32] = { 0 }; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filename,"CImg_%.4u.cimg",snap_number++); + if ((file=cimg_std::fopen(filename,"r"))!=0) cimg_std::fclose(file); + } while (file); + visu.draw_text(2,2,"Saving instance...",foreground_color,background_color,0.8f,11).display(disp); + save(filename); + visu.draw_text(2,2,"Instance '%s' saved.",foreground_color,background_color,0.8f,11,filename).display(disp); + disp.key = key = 0; + } break; + } + + if (!area) mx = my = X = Y = Z = -1; + else { + if (disp.button&1 && phase<2) { X1 = X; Y1 = Y; Z1 = Z; } + if (!(disp.button&1) && phase>=2) { + switch (clicked_area) { + case 1 : Z1 = Z; break; + case 2 : Y1 = Y; break; + case 3 : X1 = X; break; + } + } + if (disp.button&2) { if (phase) { X1 = X; Y1 = Y; Z1 = Z; } else { X0 = X; Y0 = Y; Z0 = Z; } } + if (disp.button&4) { oX = X = X0; oY = Y = Y0; oZ = Z = Z0; phase = 0; visu.assign(); } + if (disp.wheel) { + if (depth>1 && !disp.is_keyCTRLLEFT && !disp.is_keySHIFTLEFT && !disp.is_keyALT) { + switch (area) { + case 1 : if (phase) Z = (Z1+=disp.wheel); else Z = (Z0+=disp.wheel); break; + case 2 : if (phase) Y = (Y1+=disp.wheel); else Y = (Y0+=disp.wheel); break; + case 3 : if (phase) X = (X1+=disp.wheel); else X = (X0+=disp.wheel); break; + } + disp.wheel = 0; + } else key = ~0U; + } + if ((disp.button&1)!=old_button) { + switch (phase++) { + case 0 : X0 = X1 = X; Y0 = Y1 = Y; Z0 = Z1 = Z; clicked_area = area; break; + case 1 : X1 = X; Y1 = Y; Z1 = Z; break; + } + old_button = disp.button&1; + } + if (depth>1 && (X!=oX || Y!=oY || Z!=oZ)) visu0.assign(); + } + + if (phase) { + if (!coords_type) shape_selected = phase?true:false; + else { + if (depth>1) shape_selected = (phase==3)?true:false; + else shape_selected = (phase==2)?true:false; + } + } + + if (X0<0) X0 = 0; if (X0>=dimx()) X0 = dimx()-1; if (Y0<0) Y0 = 0; if (Y0>=dimy()) Y0 = dimy()-1; + if (Z0<0) Z0 = 0; if (Z0>=dimz()) Z0 = dimz()-1; + if (X1<1) X1 = 0; if (X1>=dimx()) X1 = dimx()-1; if (Y1<0) Y1 = 0; if (Y1>=dimy()) Y1 = dimy()-1; + if (Z1<0) Z1 = 0; if (Z1>=dimz()) Z1 = dimz()-1; + + // Draw visualization image on the display + if (oX!=X || oY!=Y || oZ!=Z || !visu0) { + if (!visu0) { + CImg<Tuchar> tmp, tmp0; + if (depth!=1) { + tmp0 = (!phase)?get_projections2d(X0,Y0,Z0):get_projections2d(X1,Y1,Z1); + tmp = tmp0.get_channels(0,cimg::min(2U,dim-1)); + } else tmp = get_channels(0,cimg::min(2U,dim-1)); + switch (old_normalization) { + case 0 : visu0 = tmp; break; + case 3 : + if (cimg::type<T>::is_float()) visu0 = tmp.normalize(0,(T)255); + else { + const float m = (float)cimg::type<T>::min(), M = (float)cimg::type<T>::max(); + visu0.assign(tmp.width,tmp.height,1,tmp.dim); + unsigned char *ptrd = visu0.end(); + cimg_for(tmp,ptrs,Tuchar) *(--ptrd) = (unsigned char)((*ptrs-m)*255.0f/(M-m)); + } break; + default : visu0 = tmp.normalize(0,255); + } + visu0.resize(disp); + } + visu = visu0; + if (!color) { + if (visu.mean()<200) { + foreground_color[0] = foreground_color[1] = foreground_color[2] = 255; + background_color[0] = background_color[1] = background_color[2] = 0; + } else { + foreground_color[0] = foreground_color[1] = foreground_color[2] = 0; + background_color[0] = background_color[1] = background_color[2] = 255; + } + } + + const int d = (depth>1)?depth:0; + if (phase) switch (coords_type) { + case 1 : { + const int + x0 = (int)((X0+0.5f)*disp.width/(width+d)), + y0 = (int)((Y0+0.5f)*disp.height/(height+d)), + x1 = (int)((X1+0.5f)*disp.width/(width+d)), + y1 = (int)((Y1+0.5f)*disp.height/(height+d)); + visu.draw_arrow(x0,y0,x1,y1,foreground_color,0.6f,30,5,hatch); + if (d) { + const int + zx0 = (int)((width+Z0+0.5f)*disp.width/(width+d)), + zx1 = (int)((width+Z1+0.5f)*disp.width/(width+d)), + zy0 = (int)((height+Z0+0.5f)*disp.height/(height+d)), + zy1 = (int)((height+Z1+0.5f)*disp.height/(height+d)); + visu.draw_arrow(zx0,y0,zx1,y1,foreground_color,0.6f,30,5,hatch). + draw_arrow(x0,zy0,x1,zy1,foreground_color,0.6f,30,5,hatch); + } + } break; + case 2 : { + const int + x0 = (X0<X1?X0:X1)*disp.width/(width+d), y0 = (Y0<Y1?Y0:Y1)*disp.height/(height+d), + x1 = ((X0<X1?X1:X0)+1)*disp.width/(width+d)-1, y1 = ((Y0<Y1?Y1:Y0)+1)*disp.height/(height+d)-1; + visu.draw_rectangle(x0,y0,x1,y1,foreground_color,0.2f).draw_rectangle(x0,y0,x1,y1,foreground_color,0.6f,hatch); + if (d) { + const int + zx0 = (int)((width+(Z0<Z1?Z0:Z1))*disp.width/(width+d)), + zy0 = (int)((height+(Z0<Z1?Z0:Z1))*disp.height/(height+d)), + zx1 = (int)((width+(Z0<Z1?Z1:Z0)+1)*disp.width/(width+d))-1, + zy1 = (int)((height+(Z0<Z1?Z1:Z0)+1)*disp.height/(height+d))-1; + visu.draw_rectangle(zx0,y0,zx1,y1,foreground_color,0.2f).draw_rectangle(zx0,y0,zx1,y1,foreground_color,0.6f,hatch); + visu.draw_rectangle(x0,zy0,x1,zy1,foreground_color,0.2f).draw_rectangle(x0,zy0,x1,zy1,foreground_color,0.6f,hatch); + } + } break; + case 3 : { + const int + x0 = X0*disp.width/(width+d), + y0 = Y0*disp.height/(height+d), + x1 = X1*disp.width/(width+d)-1, + y1 = Y1*disp.height/(height+d)-1; + visu.draw_ellipse(x0,y0,(float)(x1-x0),(float)(y1-y0),1,0,foreground_color,0.2f). + draw_ellipse(x0,y0,(float)(x1-x0),(float)(y1-y0),1,0,foreground_color,0.6f,hatch); + if (d) { + const int + zx0 = (int)((width+Z0)*disp.width/(width+d)), + zy0 = (int)((height+Z0)*disp.height/(height+d)), + zx1 = (int)((width+Z1+1)*disp.width/(width+d))-1, + zy1 = (int)((height+Z1+1)*disp.height/(height+d))-1; + visu.draw_ellipse(zx0,y0,(float)(zx1-zx0),(float)(y1-y0),1,0,foreground_color,0.2f). + draw_ellipse(zx0,y0,(float)(zx1-zx0),(float)(y1-y0),1,0,foreground_color,0.6f,hatch). + draw_ellipse(x0,zy0,(float)(x1-x0),(float)(zy1-zy0),1,0,foreground_color,0.2f). + draw_ellipse(x0,zy0,(float)(x1-x0),(float)(zy1-zy0),1,0,foreground_color,0.6f,hatch); + } + } break; + } else { + const int + x0 = X*disp.width/(width+d), + y0 = Y*disp.height/(height+d), + x1 = (X+1)*disp.width/(width+d)-1, + y1 = (Y+1)*disp.height/(height+d)-1; + if (x1-x0>=4 && y1-y0>=4) visu.draw_rectangle(x0,y0,x1,y1,foreground_color,0.4f,~0U); + } + + if (my<12) text_down = true; + if (my>=visu.dimy()-11) text_down = false; + if (!coords_type || !phase) { + if (X>=0 && Y>=0 && Z>=0 && X<dimx() && Y<dimy() && Z<dimz()) { + if (depth>1) cimg_std::sprintf(text,"Point (%d,%d,%d) = [ ",origX+X,origY+Y,origZ+Z); + else cimg_std::sprintf(text,"Point (%d,%d) = [ ",origX+X,origY+Y); + char *ctext = text + cimg::strlen(text), *const ltext = text + 512; + for (unsigned int k=0; k<dim && ctext<ltext; ++k) { + cimg_std::sprintf(ctext,cimg::type<T>::format(),cimg::type<T>::format((*this)(X,Y,Z,k))); + ctext = text + cimg::strlen(text); + *(ctext++) = ' '; *ctext = '\0'; + } + cimg_std::sprintf(text + cimg::strlen(text),"]"); + } + } else switch (coords_type) { + case 1 : { + const double dX = (double)(X0 - X1), dY = (double)(Y0 - Y1), dZ = (double)(Z0 - Z1), norm = cimg_std::sqrt(dX*dX+dY*dY+dZ*dZ); + if (depth>1) cimg_std::sprintf(text,"Vect (%d,%d,%d)-(%d,%d,%d), Norm = %g", + origX+X0,origY+Y0,origZ+Z0,origX+X1,origY+Y1,origZ+Z1,norm); + else cimg_std::sprintf(text,"Vect (%d,%d)-(%d,%d), Norm = %g", + origX+X0,origY+Y0,origX+X1,origY+Y1,norm); + } break; + case 2 : + if (depth>1) cimg_std::sprintf(text,"Box (%d,%d,%d)-(%d,%d,%d), Size = (%d,%d,%d)", + origX+(X0<X1?X0:X1),origY+(Y0<Y1?Y0:Y1),origZ+(Z0<Z1?Z0:Z1), + origX+(X0<X1?X1:X0),origY+(Y0<Y1?Y1:Y0),origZ+(Z0<Z1?Z1:Z0), + 1+cimg::abs(X0-X1),1+cimg::abs(Y0-Y1),1+cimg::abs(Z0-Z1)); + else cimg_std::sprintf(text,"Box (%d,%d)-(%d,%d), Size = (%d,%d)", + origX+(X0<X1?X0:X1),origY+(Y0<Y1?Y0:Y1),origX+(X0<X1?X1:X0),origY+(Y0<Y1?Y1:Y0), + 1+cimg::abs(X0-X1),1+cimg::abs(Y0-Y1)); + break; + default : + if (depth>1) cimg_std::sprintf(text,"Ellipse (%d,%d,%d)-(%d,%d,%d), Radii = (%d,%d,%d)", + origX+X0,origY+Y0,origZ+Z0,origX+X1,origY+Y1,origZ+Z1, + 1+cimg::abs(X0-X1),1+cimg::abs(Y0-Y1),1+cimg::abs(Z0-Z1)); + else cimg_std::sprintf(text,"Ellipse (%d,%d)-(%d,%d), Radii = (%d,%d)", + origX+X0,origY+Y0,origX+X1,origY+Y1,1+cimg::abs(X0-X1),1+cimg::abs(Y0-Y1)); + + } + if (phase || (mx>=0 && my>=0)) visu.draw_text(0,text_down?visu.dimy()-11:0,text,foreground_color,background_color,0.7f,11); + disp.display(visu).wait(25); + } else if (!shape_selected) disp.wait(); + + if (disp.is_resized) { disp.resize(false); old_is_resized = true; disp.is_resized = false; visu0.assign(); } + } + + // Return result + CImg<intT> res(1,6,1,1,-1); + if (XYZ) { XYZ[0] = (unsigned int)X0; XYZ[1] = (unsigned int)Y0; XYZ[2] = (unsigned int)Z0; } + if (shape_selected) { + if (coords_type==2) { + if (X0>X1) cimg::swap(X0,X1); + if (Y0>Y1) cimg::swap(Y0,Y1); + if (Z0>Z1) cimg::swap(Z0,Z1); + } + if (X1<0 || Y1<0 || Z1<0) X0 = Y0 = Z0 = X1 = Y1 = Z1 = -1; + switch (coords_type) { + case 1 : + case 2 : res[3] = X1; res[4] = Y1; res[5] = Z1; + default : res[0] = X0; res[1] = Y0; res[2] = Z0; + } + } + disp.button = 0; + disp.normalization = old_normalization; + disp.is_resized = old_is_resized; + if (key!=~0U) disp.key = key; + return res; + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf, typename tc, typename to> + const CImg<T>& display_object3d(CImgDisplay& disp, + const CImg<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const to& opacities, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return _display_object3d(disp,0,points,points.width,primitives,colors,opacities,centering,render_static, + render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf, typename tc, typename to> + const CImg<T>& display_object3d(const char *const title, + const CImg<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const to& opacities, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + CImgDisplay disp; + return _display_object3d(disp,title,points,points.width,primitives,colors,opacities,centering,render_static, + render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf, typename tc, typename to> + const CImg<T>& display_object3d(CImgDisplay& disp, + const CImgList<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const to& opacities, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return _display_object3d(disp,0,points,points.size,primitives,colors,opacities,centering,render_static, + render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf, typename tc, typename to> + const CImg<T>& display_object3d(const char *const title, + const CImgList<tp>& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, const to& opacities, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + CImgDisplay disp; + return _display_object3d(disp,title,points,points.size,primitives,colors,opacities,centering,render_static, + render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf, typename tc> + const CImg<T>& display_object3d(CImgDisplay &disp, + const tp& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return display_object3d(disp,points,primitives,colors,CImg<floatT>(),centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf, typename tc> + const CImg<T>& display_object3d(const char *const title, + const tp& points, const CImgList<tf>& primitives, + const CImgList<tc>& colors, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return display_object3d(title,points,primitives,colors,CImg<floatT>(),centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf> + const CImg<T>& display_object3d(CImgDisplay &disp, + const tp& points, const CImgList<tf>& primitives, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return display_object3d(disp,points,primitives,CImgList<T>(),centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp, typename tf> + const CImg<T>& display_object3d(const char *const title, + const tp& points, const CImgList<tf>& primitives, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return display_object3d(title,points,primitives,CImgList<T>(),centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp> + const CImg<T>& display_object3d(CImgDisplay &disp, + const tp& points, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return display_object3d(disp,points,CImgList<uintT>(),centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + //! High-level interface for displaying a 3d object. + template<typename tp> + const CImg<T>& display_object3d(const char *const title, + const tp& points, + const bool centering=true, + const int render_static=4, const int render_motion=1, + const bool double_sided=false, const float focale=500, + const float specular_light=0.2f, const float specular_shine=0.1f, + const bool display_axes=true, float *const pose_matrix=0) const { + return display_object3d(title,points,CImgList<uintT>(),centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + + T _display_object3d_at2(const int i, const int j) const { + return atXY(i,j,0,0,0); + } + + template<typename tp, typename tf, typename tc, typename to> + const CImg<T>& _display_object3d(CImgDisplay& disp, const char *const title, + const tp& points, const unsigned int Npoints, + const CImgList<tf>& primitives, + const CImgList<tc>& colors, const to& opacities, + const bool centering, + const int render_static, const int render_motion, + const bool double_sided, const float focale, + const float specular_light, const float specular_shine, + const bool display_axes, float *const pose_matrix) const { + + // Check input arguments + if (!points || !Npoints) + throw CImgArgumentException("CImg<%s>::display_object3d() : Given points are empty.", + pixel_type()); + if (is_empty()) { + if (disp) return CImg<T>(disp.width,disp.height,1,colors[0].size(),0). + _display_object3d(disp,title,points,Npoints,primitives,colors,opacities,centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + else return CImg<T>(cimg_fitscreen(640,480,1),1,colors[0].size(),0). + _display_object3d(disp,title,points,Npoints,primitives,colors,opacities,centering, + render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + if (!primitives) { + CImgList<tf> nprimitives(Npoints,1,1,1,1); + cimglist_for(nprimitives,l) nprimitives(l,0) = l; + return _display_object3d(disp,title,points,Npoints,nprimitives,colors,opacities, + centering,render_static,render_motion,double_sided,focale,specular_light,specular_shine, + display_axes,pose_matrix); + } + if (!disp) { + char ntitle[64] = { 0 }; if (!title) { cimg_std::sprintf(ntitle,"CImg<%s>",pixel_type()); } + disp.assign(cimg_fitscreen(width,height,depth),title?title:ntitle,1); + } + + CImgList<tc> _colors; + if (!colors) _colors.insert(primitives.size,CImg<tc>::vector(200,200,200)); + const CImgList<tc> &ncolors = colors?colors:_colors; + + // Init 3D objects and compute object statistics + CImg<floatT> + pose, rot_mat, zbuffer, + centered_points = centering?CImg<floatT>(Npoints,3):CImg<floatT>(), + rotated_points(Npoints,3), + bbox_points, rotated_bbox_points, + axes_points, rotated_axes_points, + bbox_opacities, axes_opacities; + CImgList<uintT> bbox_primitives, axes_primitives; + CImgList<T> bbox_colors, bbox_colors2, axes_colors; + float dx = 0, dy = 0, dz = 0, ratio = 1; + + T minval = (T)0, maxval = (T)255; + if (disp.normalization && colors) { + minval = colors.minmax(maxval); + if (minval==maxval) { minval = (T)0; maxval = (T)255; } + } + const float meanval = (float)mean(); + bool color_model = true; + if (cimg::abs(meanval-minval)>cimg::abs(meanval-maxval)) color_model = false; + const CImg<T> + background_color(1,1,1,dim,color_model?minval:maxval), + foreground_color(1,1,1,dim,color_model?maxval:minval); + + float xm = cimg::type<float>::max(), xM = 0, ym = xm, yM = 0, zm = xm, zM = 0; + for (unsigned int i = 0; i<Npoints; ++i) { + const float + x = points._display_object3d_at2(i,0), + y = points._display_object3d_at2(i,1), + z = points._display_object3d_at2(i,2); + if (x<xm) xm = x; + if (x>xM) xM = x; + if (y<ym) ym = y; + if (y>yM) yM = y; + if (z<zm) zm = z; + if (z>zM) zM = z; + } + const float delta = cimg::max(xM-xm,yM-ym,zM-zm); + + if (display_axes) { + rotated_axes_points = axes_points.assign(7,3,1,1, + 0,20,0,0,22,-6,-6, + 0,0,20,0,-6,22,-6, + 0,0,0,20,0,0,22); + axes_opacities.assign(3,1,1,1,1); + axes_colors.assign(3,dim,1,1,1,foreground_color[0]); + axes_primitives.assign(3,1,2,1,1, 0,1, 0,2, 0,3); + } + + // Begin user interaction loop + CImg<T> visu0(*this), visu; + bool init = true, clicked = false, redraw = true; + unsigned int key = 0; + int x0 = 0, y0 = 0, x1 = 0, y1 = 0; + disp.show().flush(); + + while (!disp.is_closed && !key) { + + // Init object position and scale if necessary + if (init) { + ratio = delta>0?(2.0f*cimg::min(disp.width,disp.height)/(3.0f*delta)):0; + dx = 0.5f*(xM + xm); dy = 0.5f*(yM + ym); dz = 0.5f*(zM + zm); + if (centering) { + cimg_forX(centered_points,l) { + centered_points(l,0) = (float)((points(l,0) - dx)*ratio); + centered_points(l,1) = (float)((points(l,1) - dy)*ratio); + centered_points(l,2) = (float)((points(l,2) - dz)*ratio); + } + } + + if (render_static<0 || render_motion<0) { + rotated_bbox_points = bbox_points.assign(8,3,1,1, + xm,xM,xM,xm,xm,xM,xM,xm, + ym,ym,yM,yM,ym,ym,yM,yM, + zm,zm,zm,zm,zM,zM,zM,zM); + bbox_primitives.assign(6,1,4,1,1, 0,3,2,1, 4,5,6,7, 1,2,6,5, 0,4,7,3, 0,1,5,4, 2,3,7,6); + bbox_colors.assign(6,dim,1,1,1,background_color[0]); + bbox_colors2.assign(6,dim,1,1,1,foreground_color[0]); + bbox_opacities.assign(bbox_colors.size,1,1,1,0.3f); + } + + if (!pose) { + if (pose_matrix) pose = CImg<floatT>(pose_matrix,4,4,1,1,false); + else pose = CImg<floatT>::identity_matrix(4); + } + init = false; + redraw = true; + } + + // Rotate and Draw 3D object + if (redraw) { + const float + r00 = pose(0,0), r10 = pose(1,0), r20 = pose(2,0), r30 = pose(3,0), + r01 = pose(0,1), r11 = pose(1,1), r21 = pose(2,1), r31 = pose(3,1), + r02 = pose(0,2), r12 = pose(1,2), r22 = pose(2,2), r32 = pose(3,2); + if ((clicked && render_motion>=0) || (!clicked && render_static>=0)) { + if (centering) cimg_forX(centered_points,l) { + const float x = centered_points(l,0), y = centered_points(l,1), z = centered_points(l,2); + rotated_points(l,0) = r00*x + r10*y + r20*z + r30; + rotated_points(l,1) = r01*x + r11*y + r21*z + r31; + rotated_points(l,2) = r02*x + r12*y + r22*z + r32; + } else for (unsigned int l = 0; l<Npoints; ++l) { + const float + x = (float)points._display_object3d_at2(l,0), + y = (float)points._display_object3d_at2(l,1), + z = (float)points._display_object3d_at2(l,2); + rotated_points(l,0) = r00*x + r10*y + r20*z + r30; + rotated_points(l,1) = r01*x + r11*y + r21*z + r31; + rotated_points(l,2) = r02*x + r12*y + r22*z + r32; + } + } else { + if (!centering) cimg_forX(bbox_points,l) { + const float x = bbox_points(l,0), y = bbox_points(l,1), z = bbox_points(l,2); + rotated_bbox_points(l,0) = r00*x + r10*y + r20*z + r30; + rotated_bbox_points(l,1) = r01*x + r11*y + r21*z + r31; + rotated_bbox_points(l,2) = r02*x + r12*y + r22*z + r32; + } else cimg_forX(bbox_points,l) { + const float x = (bbox_points(l,0)-dx)*ratio, y = (bbox_points(l,1)-dy)*ratio, z = (bbox_points(l,2)-dz)*ratio; + rotated_bbox_points(l,0) = r00*x + r10*y + r20*z + r30; + rotated_bbox_points(l,1) = r01*x + r11*y + r21*z + r31; + rotated_bbox_points(l,2) = r02*x + r12*y + r22*z + r32; + } + } + + // Draw object + visu = visu0; + if ((clicked && render_motion<0) || (!clicked && render_static<0)) + visu.draw_object3d(visu.width/2.0f,visu.height/2.0f,0,rotated_bbox_points,bbox_primitives,bbox_colors,bbox_opacities,2,false,focale). + draw_object3d(visu.width/2.0f,visu.height/2.0f,0,rotated_bbox_points,bbox_primitives,bbox_colors2,1,false,focale); + else visu.draw_object3d(visu.width/2.0f,visu.height/2.0f,0, + rotated_points,primitives,ncolors,opacities,clicked?render_motion:render_static, + double_sided,focale,visu.dimx()/2.0f,visu.dimy()/2.0f,-5000,specular_light,specular_shine, + (!clicked && render_static>0)?zbuffer.fill(0).ptr():0); + + // Draw axes + if (display_axes) { + const float Xaxes = 25, Yaxes = visu.height - 35.0f; + cimg_forX(axes_points,l) { + const float x = axes_points(l,0), y = axes_points(l,1), z = axes_points(l,2); + rotated_axes_points(l,0) = r00*x + r10*y + r20*z; + rotated_axes_points(l,1) = r01*x + r11*y + r21*z; + rotated_axes_points(l,2) = r02*x + r12*y + r22*z; + } + axes_opacities(0,0) = (rotated_axes_points(1,2)>0)?0.5f:1.0f; + axes_opacities(1,0) = (rotated_axes_points(2,2)>0)?0.5f:1.0f; + axes_opacities(2,0) = (rotated_axes_points(3,2)>0)?0.5f:1.0f; + visu.draw_object3d(Xaxes,Yaxes,0,rotated_axes_points,axes_primitives,axes_colors,axes_opacities,1,false,focale). + draw_text((int)(Xaxes+rotated_axes_points(4,0)), + (int)(Yaxes+rotated_axes_points(4,1)), + "X",axes_colors[0].data,0,axes_opacities(0,0),11). + draw_text((int)(Xaxes+rotated_axes_points(5,0)), + (int)(Yaxes+rotated_axes_points(5,1)), + "Y",axes_colors[1].data,0,axes_opacities(1,0),11). + draw_text((int)(Xaxes+rotated_axes_points(6,0)), + (int)(Yaxes+rotated_axes_points(6,1)), + "Z",axes_colors[2].data,0,axes_opacities(2,0),11); + } + visu.display(disp); + if (!clicked || render_motion==render_static) redraw = false; + } + + // Handle user interaction + disp.wait(); + if ((disp.button || disp.wheel) && disp.mouse_x>=0 && disp.mouse_y>=0) { + redraw = true; + if (!clicked) { x0 = x1 = disp.mouse_x; y0 = y1 = disp.mouse_y; if (!disp.wheel) clicked = true; } + else { x1 = disp.mouse_x; y1 = disp.mouse_y; } + if (disp.button&1) { + const float + R = 0.45f*cimg::min(disp.width,disp.height), + R2 = R*R, + u0 = (float)(x0-disp.dimx()/2), + v0 = (float)(y0-disp.dimy()/2), + u1 = (float)(x1-disp.dimx()/2), + v1 = (float)(y1-disp.dimy()/2), + n0 = (float)cimg_std::sqrt(u0*u0+v0*v0), + n1 = (float)cimg_std::sqrt(u1*u1+v1*v1), + nu0 = n0>R?(u0*R/n0):u0, + nv0 = n0>R?(v0*R/n0):v0, + nw0 = (float)cimg_std::sqrt(cimg::max(0,R2-nu0*nu0-nv0*nv0)), + nu1 = n1>R?(u1*R/n1):u1, + nv1 = n1>R?(v1*R/n1):v1, + nw1 = (float)cimg_std::sqrt(cimg::max(0,R2-nu1*nu1-nv1*nv1)), + u = nv0*nw1-nw0*nv1, + v = nw0*nu1-nu0*nw1, + w = nv0*nu1-nu0*nv1, + n = (float)cimg_std::sqrt(u*u+v*v+w*w), + alpha = (float)cimg_std::asin(n/R2); + rot_mat = CImg<floatT>::rotation_matrix(u,v,w,alpha); + rot_mat *= pose.get_crop(0,0,2,2); + pose.draw_image(rot_mat); + x0=x1; y0=y1; + } + if (disp.button&2) { pose(3,2)+=(y1-y0); x0 = x1; y0 = y1; } + if (disp.wheel) { pose(3,2)-=focale*disp.wheel/10; disp.wheel = 0; } + if (disp.button&4) { pose(3,0)+=(x1-x0); pose(3,1)+=(y1-y0); x0 = x1; y0 = y1; } + if ((disp.button&1) && (disp.button&2)) { init = true; disp.button = 0; x0 = x1; y0 = y1; pose = CImg<floatT>::identity_matrix(4); } + } else if (clicked) { x0 = x1; y0 = y1; clicked = false; redraw = true; } + + switch (key = disp.key) { + case 0 : case cimg::keyCTRLLEFT : disp.key = key = 0; break; + case cimg::keyD: if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,false), + CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,true),false).is_resized = true; + disp.key = key = 0; + } break; + case cimg::keyC : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(2*disp.width/3,2*disp.height/3,1),false).is_resized = true; + disp.key = key = 0; + } break; + case cimg::keyR : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(width,height,depth),false).is_resized = true; + disp.key = key = 0; + } break; + case cimg::keyF : if (disp.is_keyCTRLLEFT) { + disp.resize(disp.screen_dimx(),disp.screen_dimy()).toggle_fullscreen().is_resized = true; + disp.key = key = 0; + } break; + case cimg::keyZ : if (disp.is_keyCTRLLEFT) { // Enable/Disable Z-buffer + if (zbuffer) zbuffer.assign(); + else zbuffer.assign(disp.width,disp.height); + disp.key = key = 0; redraw = true; + } break; + case cimg::keyS : if (disp.is_keyCTRLLEFT) { // Save snapshot + static unsigned int snap_number = 0; + char filename[32] = { 0 }; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filename,"CImg_%.4u.bmp",snap_number++); + if ((file=cimg_std::fopen(filename,"r"))!=0) cimg_std::fclose(file); + } while (file); + (+visu).draw_text(2,2,"Saving BMP snapshot...",foreground_color,background_color,1,11).display(disp); + visu.save(filename); + visu.draw_text(2,2,"Snapshot '%s' saved.",foreground_color,background_color,1,11,filename).display(disp); + disp.key = key = 0; + } break; + case cimg::keyO : if (disp.is_keyCTRLLEFT) { // Save object as an .OFF file + static unsigned int snap_number = 0; + char filename[32] = { 0 }; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filename,"CImg_%.4u.off",snap_number++); + if ((file=cimg_std::fopen(filename,"r"))!=0) cimg_std::fclose(file); + } while (file); + visu.draw_text(2,2,"Saving object...",foreground_color,background_color,1,11).display(disp); + points.save_off(filename,primitives,ncolors); + visu.draw_text(2,2,"Object '%s' saved.",foreground_color,background_color,1,11,filename).display(disp); + disp.key = key = 0; + } break; +#ifdef cimg_use_board + case cimg::keyP : if (disp.is_keyCTRLLEFT) { // Save object as a .EPS file + static unsigned int snap_number = 0; + char filename[32] = { 0 }; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filename,"CImg_%.4u.eps",snap_number++); + if ((file=cimg_std::fopen(filename,"r"))!=0) cimg_std::fclose(file); + } while (file); + visu.draw_text(2,2,"Saving EPS snapshot...",foreground_color,background_color,1,11).display(disp); + BoardLib::Board board; + (+visu).draw_object3d(board,visu.width/2.0f, visu.height/2.0f, 0, + rotated_points,primitives,ncolors,opacities,clicked?render_motion:render_static, + double_sided,focale,visu.dimx()/2.0f,visu.dimy()/2.0f,-5000,specular_light,specular_shine, + zbuffer.fill(0).ptr()); + board.saveEPS(filename); + visu.draw_text(2,2,"Object '%s' saved.",foreground_color,background_color,1,11,filename).display(disp); + disp.key = key = 0; + } break; + case cimg::keyV : if (disp.is_keyCTRLLEFT) { // Save object as a .SVG file + static unsigned int snap_number = 0; + char filename[32] = { 0 }; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filename,"CImg_%.4u.svg",snap_number++); + if ((file=cimg_std::fopen(filename,"r"))!=0) cimg_std::fclose(file); + } while (file); + visu.draw_text(2,2,"Saving SVG snapshot...",foreground_color,background_color,1,11).display(disp); + BoardLib::Board board; + (+visu).draw_object3d(board,visu.width/2.0f, visu.height/2.0f, 0, + rotated_points,primitives,ncolors,opacities,clicked?render_motion:render_static, + double_sided,focale,visu.dimx()/2.0f,visu.dimy()/2.0f,-5000,specular_light,specular_shine, + zbuffer.fill(0).ptr()); + board.saveSVG(filename); + visu.draw_text(2,2,"Object '%s' saved.",foreground_color,background_color,1,11,filename).display(disp); + disp.key = key = 0; + } break; +#endif + } + if (disp.is_resized) { disp.resize(false); visu0 = get_resize(disp,1); if (zbuffer) zbuffer.assign(disp.width,disp.height); redraw = true; } + } + if (pose_matrix) cimg_std::memcpy(pose_matrix,pose.data,16*sizeof(float)); + disp.button = 0; + disp.key = key; + return *this; + } + + //! High-level interface for displaying a graph. + const CImg<T>& display_graph(CImgDisplay &disp, + const unsigned int plot_type=1, const unsigned int vertex_type=1, + const char *const labelx=0, const double xmin=0, const double xmax=0, + const char *const labely=0, const double ymin=0, const double ymax=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::display_graph() : Instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + const unsigned int siz = width*height*depth, onormalization = disp.normalization; + if (!disp) { char ntitle[64] = { 0 }; cimg_std::sprintf(ntitle,"CImg<%s>",pixel_type()); disp.assign(640,480,ntitle,0); } + disp.show().flush().normalization = 0; + double y0 = ymin, y1 = ymax, nxmin = xmin, nxmax = xmax; + if (nxmin==nxmax) { nxmin = 0; nxmax = siz - 1.0; } + int x0 = 0, x1 = size()/dimv()-1, key = 0; + + for (bool reset_view = true, resize_disp = false; !key && !disp.is_closed; ) { + if (reset_view) { x0 = 0; x1 = size()/dimv()-1; y0 = ymin; y1 = ymax; reset_view = false; } + CImg<T> zoom(x1-x0+1,1,1,dimv()); + cimg_forV(*this,k) zoom.get_shared_channel(k) = CImg<T>(ptr(x0,0,0,k),x1-x0+1,1,1,1,true); + + if (y0==y1) y0 = zoom.minmax(y1); + if (y0==y1) { --y0; ++y1; } + const CImg<intT> selection = zoom.get_select_graph(disp,plot_type,vertex_type, + labelx,nxmin + x0*(nxmax-nxmin)/siz,nxmin + x1*(nxmax-nxmin)/siz, + labely,y0,y1); + + const int mouse_x = disp.mouse_x, mouse_y = disp.mouse_y; + if (selection[0]>=0 && selection[2]>=0) { + x1 = x0 + selection[2]; + x0 += selection[0]; + if (x0==x1) reset_view = true; + if (selection[1]>=0 && selection[3]>=0) { + y0 = y1 - selection[3]*(y1-y0)/(disp.dimy()-32); + y1 -= selection[1]*(y1-y0)/(disp.dimy()-32); + } + } else { + bool go_in = false, go_out = false, go_left = false, go_right = false, go_up = false, go_down = false; + switch (key = disp.key) { + case cimg::keyHOME : case cimg::keyBACKSPACE : reset_view = resize_disp = true; key = 0; break; + case cimg::keyPADADD : go_in = true; key = 0; break; + case cimg::keyPADSUB : go_out = true; key = 0; break; + case cimg::keyARROWLEFT : case cimg::keyPAD4 : go_left = true; key = 0; break; + case cimg::keyARROWRIGHT : case cimg::keyPAD6 : go_right = true; key = 0; break; + case cimg::keyARROWUP : case cimg::keyPAD8 : go_up = true; key = 0; break; + case cimg::keyARROWDOWN : case cimg::keyPAD2 : go_down = true; key = 0; break; + case cimg::keyPAD7 : go_left = true; go_up = true; key = 0; break; + case cimg::keyPAD9 : go_right = true; go_up = true; key = 0; break; + case cimg::keyPAD1 : go_left = true; go_down = true; key = 0; break; + case cimg::keyPAD3 : go_right = true; go_down = true; key = 0; break; + } + if (disp.wheel) go_out = !(go_in = disp.wheel>0); + + if (go_in) { + const int + xsiz = x1 - x0, + mx = (mouse_x-16)*xsiz/(disp.dimx()-32), + cx = x0 + (mx<0?0:(mx>=xsiz?xsiz:mx)); + if (x1-x0>4) { + x0 = cx - 7*(cx-x0)/8; x1 = cx + 7*(x1-cx)/8; + if (disp.is_keyCTRLLEFT) { + const double + ysiz = y1 - y0, + my = (mouse_y-16)*ysiz/(disp.dimy()-32), + cy = y1 - (my<0?0:(my>=ysiz?ysiz:my)); + y0 = cy - 7*(cy-y0)/8; y1 = cy + 7*(y1-cy)/8; + } else y0 = y1 = 0; + } + } + if (go_out) { + const int deltax = (x1-x0)/8, ndeltax = deltax?deltax:(siz>1?1:0); + x0-=ndeltax; x1+=ndeltax; + if (x0<0) { x1-=x0; x0 = 0; if (x1>=(int)siz) x1 = (int)siz-1; } + if (x1>=(int)siz) { x0-=(x1-siz+1); x1 = (int)siz-1; if (x0<0) x0 = 0; } + if (disp.is_keyCTRLLEFT) { + const double deltay = (y1-y0)/8, ndeltay = deltay?deltay:0.01; + y0-=ndeltay; y1+=ndeltay; + } + } + if (go_left) { + const int delta = (x1-x0)/5, ndelta = delta?delta:1; + if (x0-ndelta>=0) { x0-=ndelta; x1-=ndelta; } + else { x1-=x0; x0 = 0; } + go_left = false; + } + if (go_right) { + const int delta = (x1-x0)/5, ndelta = delta?delta:1; + if (x1+ndelta<(int)siz) { x0+=ndelta; x1+=ndelta; } + else { x0+=(siz-1-x1); x1 = siz-1; } + go_right = false; + } + if (go_up) { + const double delta = (y1-y0)/10, ndelta = delta?delta:1; + y0+=ndelta; y1+=ndelta; + go_up = false; + } + if (go_down) { + const double delta = (y1-y0)/10, ndelta = delta?delta:1; + y0-=ndelta; y1-=ndelta; + go_down = false; + } + } + } + disp.normalization = onormalization; + return *this; + } + + //! High-level interface for displaying a graph. + const CImg<T>& display_graph(const char *const title=0, + const unsigned int plot_type=1, const unsigned int vertex_type=1, + const char *const labelx=0, const double xmin=0, const double xmax=0, + const char *const labely=0, const double ymin=0, const double ymax=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::display_graph() : Instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + char ntitle[64] = { 0 }; if (!title) cimg_std::sprintf(ntitle,"CImg<%s>",pixel_type()); + CImgDisplay disp(cimg_fitscreen(640,480,1),title?title:ntitle,0); + return display_graph(disp,plot_type,vertex_type,labelx,xmin,xmax,labely,ymin,ymax); + } + + //! Select sub-graph in a graph. + CImg<intT> get_select_graph(CImgDisplay &disp, + const unsigned int plot_type=1, const unsigned int vertex_type=1, + const char *const labelx=0, const double xmin=0, const double xmax=0, + const char *const labely=0, const double ymin=0, const double ymax=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::display_graph() : Instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),width,height,depth,dim,data); + const unsigned int siz = width*height*depth, onormalization = disp.normalization; + if (!disp) { char ntitle[64] = { 0 }; cimg_std::sprintf(ntitle,"CImg<%s>",pixel_type()); disp.assign(640,480,ntitle,0); } + disp.show().key = disp.normalization = disp.button = disp.wheel = 0; // Must keep 'key' field unchanged. + double nymin = ymin, nymax = ymax, nxmin = xmin, nxmax = xmax; + if (nymin==nymax) nymin = (Tfloat)minmax(nymax); + if (nymin==nymax) { --nymin; ++nymax; } + if (nxmin==nxmax && nxmin==0) { nxmin = 0; nxmax = siz - 1.0; } + + const unsigned char black[] = { 0,0,0 }, white[] = { 255,255,255 }, gray[] = { 220,220,220 }; + const unsigned char gray2[] = { 110,110,110 }, ngray[] = { 35,35,35 }; + static unsigned int odimv = 0; + static CImg<ucharT> palette; + if (odimv!=dim) { + odimv = dim; + palette = CImg<ucharT>(3,dim,1,1,120).noise(70,1); + if (dim==1) { palette[0] = palette[1] = 120; palette[2] = 200; } + else { + palette(0,0) = 220; palette(1,0) = 10; palette(2,0) = 10; + if (dim>1) { palette(0,1) = 10; palette(1,1) = 220; palette(2,1) = 10; } + if (dim>2) { palette(0,2) = 10; palette(1,2) = 10; palette(2,2) = 220; } + } + } + + CImg<ucharT> visu0, visu, graph, text, axes; + const unsigned int whz = width*height*depth; + int x0 = -1, x1 = -1, y0 = -1, y1 = -1, omouse_x = -2, omouse_y = -2; + char message[1024] = { 0 }; + unsigned int okey = 0, obutton = 0; + CImg_3x3(I,unsigned char); + + for (bool selected = false; !selected && !disp.is_closed && !okey && !disp.wheel; ) { + const int mouse_x = disp.mouse_x, mouse_y = disp.mouse_y; + const unsigned int key = disp.key, button = disp.button; + + // Generate graph representation. + if (!visu0) { + visu0.assign(disp.dimx(),disp.dimy(),1,3,220); + const int gdimx = disp.dimx() - 32, gdimy = disp.dimy() - 32; + if (gdimx>0 && gdimy>0) { + graph.assign(gdimx,gdimy,1,3,255); + graph.draw_grid(-10,-10,0,0,false,true,black,0.2f,0x33333333,0x33333333); + cimg_forV(*this,k) graph.draw_graph(get_shared_channel(k),&palette(0,k),(plot_type!=3 || dim==1)?1:0.6f, + plot_type,vertex_type,nymax,nymin); + + axes.assign(gdimx,gdimy,1,1,0); + const float + dx = (float)cimg::abs(nxmax-nxmin), dy = (float)cimg::abs(nymax-nymin), + px = (float)cimg_std::pow(10.0,(int)cimg_std::log10(dx)-2.0), + py = (float)cimg_std::pow(10.0,(int)cimg_std::log10(dy)-2.0); + const CImg<Tdouble> + seqx = CImg<Tdouble>::sequence(1 + gdimx/60,nxmin,nxmax).round(px), + seqy = CImg<Tdouble>::sequence(1 + gdimy/60,nymax,nymin).round(py); + axes.draw_axis(seqx,seqy,white); + if (nymin>0) axes.draw_axis(seqx,gdimy-1,gray); + if (nymax<0) axes.draw_axis(seqx,0,gray); + if (nxmin>0) axes.draw_axis(0,seqy,gray); + if (nxmax<0) axes.draw_axis(gdimx-1,seqy,gray); + + cimg_for3x3(axes,x,y,0,0,I) + if (Icc) { + if (Icc==255) cimg_forV(graph,k) graph(x,y,k) = 0; + else cimg_forV(graph,k) graph(x,y,k) = (unsigned char)(2*graph(x,y,k)/3); + } + else if (Ipc || Inc || Icp || Icn || Ipp || Inn || Ipn || Inp) cimg_forV(graph,k) graph(x,y,k) = (graph(x,y,k)+255)/2; + + visu0.draw_image(16,16,graph); + visu0.draw_line(15,15,16+gdimx,15,gray2).draw_line(16+gdimx,15,16+gdimx,16+gdimy,gray2). + draw_line(16+gdimx,16+gdimy,15,16+gdimy,white).draw_line(15,16+gdimy,15,15,white); + } else graph.assign(); + text.assign().draw_text(0,0,labelx?labelx:"X-axis",white,ngray,1); + visu0.draw_image((visu0.dimx()-text.dimx())/2,visu0.dimy()-14,~text); + text.assign().draw_text(0,0,labely?labely:"Y-axis",white,ngray,1).rotate(-90); + visu0.draw_image(2,(visu0.dimy()-text.dimy())/2,~text); + visu.assign(); + } + + // Generate and display current view. + if (!visu) { + visu.assign(visu0); + if (graph && x0>=0 && x1>=0) { + const int + nx0 = x0<=x1?x0:x1, + nx1 = x0<=x1?x1:x0, + ny0 = y0<=y1?y0:y1, + ny1 = y0<=y1?y1:y0, + sx0 = 16 + nx0*(visu.dimx()-32)/whz, + sx1 = 15 + (nx1+1)*(visu.dimx()-32)/whz, + sy0 = 16 + ny0, + sy1 = 16 + ny1; + + if (y0>=0 && y1>=0) + visu.draw_rectangle(sx0,sy0,sx1,sy1,gray,0.5f).draw_rectangle(sx0,sy0,sx1,sy1,black,0.5f,0xCCCCCCCCU); + else visu.draw_rectangle(sx0,0,sx1,visu.dimy()-17,gray,0.5f). + draw_line(sx0,16,sx0,visu.dimy()-17,black,0.5f,0xCCCCCCCCU). + draw_line(sx1,16,sx1,visu.dimy()-17,black,0.5f,0xCCCCCCCCU); + } + if (mouse_x>=16 && mouse_y>=16 && mouse_x<visu.dimx()-16 && mouse_y<visu.dimy()-16) { + if (graph) visu.draw_line(mouse_x,16,mouse_x,visu.dimy()-17,black,0.5f,0x55555555U); + const unsigned x = (mouse_x-16)*whz/(disp.dimx()-32); + const double cx = nxmin + x*(nxmax-nxmin)/whz; + if (dim>=7) + cimg_std::sprintf(message,"Value[%g] = ( %g %g %g ... %g %g %g )",cx, + (double)(*this)(x,0,0,0),(double)(*this)(x,0,0,1),(double)(*this)(x,0,0,2), + (double)(*this)(x,0,0,dim-4),(double)(*this)(x,0,0,dim-3),(double)(*this)(x,0,0,dim-1)); + else { + cimg_std::sprintf(message,"Value[%g] = ( ",cx); + cimg_forV(*this,k) cimg_std::sprintf(message+cimg::strlen(message),"%g ",(double)(*this)(x,0,0,k)); + cimg_std::sprintf(message+cimg::strlen(message),")"); + } + if (x0>=0 && x1>=0) { + const int + nx0 = x0<=x1?x0:x1, + nx1 = x0<=x1?x1:x0, + ny0 = y0<=y1?y0:y1, + ny1 = y0<=y1?y1:y0; + const double + cx0 = nxmin + nx0*(nxmax-nxmin)/(visu.dimx()-32), + cx1 = nxmin + nx1*(nxmax-nxmin)/(visu.dimx()-32), + cy0 = nymax - ny0*(nymax-nymin)/(visu.dimy()-32), + cy1 = nymax - ny1*(nymax-nymin)/(visu.dimy()-32); + if (y0>=0 && y1>=0) + cimg_std::sprintf(message+cimg::strlen(message)," - Range ( %g, %g ) - ( %g, %g )",cx0,cy0,cx1,cy1); + else + cimg_std::sprintf(message+cimg::strlen(message)," - Range [ %g - %g ]",cx0,cx1); + } + text.assign().draw_text(0,0,message,white,ngray,1); + visu.draw_image((visu.dimx()-text.dimx())/2,2,~text); + } + visu.display(disp); + } + + // Test keys. + switch (okey = key) { + case cimg::keyCTRLLEFT : okey = 0; break; + case cimg::keyD : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,false), + CImgDisplay::_fitscreen(3*disp.width/2,3*disp.height/2,1,128,-100,true),false).is_resized = true; + disp.key = okey = 0; + } break; + case cimg::keyC : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(2*disp.width/3,2*disp.height/3,1),false).is_resized = true; + disp.key = okey = 0; + } break; + case cimg::keyR : if (disp.is_keyCTRLLEFT) { + disp.normalscreen().resize(cimg_fitscreen(640,480,1),false).is_resized = true; + disp.key = okey = 0; + } break; + case cimg::keyF : if (disp.is_keyCTRLLEFT) { + disp.resize(disp.screen_dimx(),disp.screen_dimy()).toggle_fullscreen().is_resized = true; + disp.key = okey = 0; + } break; + case cimg::keyS : if (disp.is_keyCTRLLEFT) { + static unsigned int snap_number = 0; + if (visu || visu0) { + CImg<ucharT> &screen = visu?visu:visu0; + char filename[32] = { 0 }; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filename,"CImg_%.4u.bmp",snap_number++); + if ((file=cimg_std::fopen(filename,"r"))!=0) cimg_std::fclose(file); + } while (file); + (+screen).draw_text(2,2,"Saving BMP snapshot...",black,gray,1,11).display(disp); + screen.save(filename); + screen.draw_text(2,2,"Snapshot '%s' saved.",black,gray,1,11,filename).display(disp); + } + disp.key = okey = 0; + } break; + } + + // Handle mouse motion and mouse buttons + if (obutton!=button || omouse_x!=mouse_x || omouse_y!=mouse_y) { + visu.assign(); + if (disp.mouse_x>=0 && disp.mouse_y>=0) { + const int + mx = (mouse_x-16)*(int)whz/(disp.dimx()-32), + cx = mx<0?0:(mx>=(int)whz?whz-1:mx), + my = mouse_y-16, + cy = my<=0?0:(my>=(disp.dimy()-32)?(disp.dimy()-32):my); + if (button&1) { if (!obutton) { x0 = cx; y0 = -1; } else { x1 = cx; y1 = -1; }} + else if (button&2) { if (!obutton) { x0 = cx; y0 = cy; } else { x1 = cx; y1 = cy; }} + else if (obutton) { x1 = cx; y1 = y1>=0?cy:-1; selected = true; } + } else if (!button && obutton) selected = true; + obutton = button; omouse_x = mouse_x; omouse_y = mouse_y; + } + if (disp.is_resized) { disp.resize(false); visu0.assign(); } + if (visu && visu0) disp.wait(); + } + disp.normalization = onormalization; + if (x1<x0) cimg::swap(x0,x1); + if (y1<y0) cimg::swap(y0,y1); + disp.key = okey; + return CImg<intT>(4,1,1,1,x0,y0,x1,y1); + } + + //@} + //--------------------------- + // + //! \name Image File Loading + //@{ + //--------------------------- + + //! Load an image from a file. + /** + \param filename is the name of the image file to load. + \note The extension of \c filename defines the file format. If no filename + extension is provided, CImg<T>::get_load() will try to load a .cimg file. + **/ + CImg<T>& load(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load() : Cannot load (null) filename.", + pixel_type()); + const char *ext = cimg::split_filename(filename); + const unsigned int odebug = cimg::exception_mode(); + cimg::exception_mode() = 0; + assign(); + try { +#ifdef cimg_load_plugin + cimg_load_plugin(filename); +#endif +#ifdef cimg_load_plugin1 + cimg_load_plugin1(filename); +#endif +#ifdef cimg_load_plugin2 + cimg_load_plugin2(filename); +#endif +#ifdef cimg_load_plugin3 + cimg_load_plugin3(filename); +#endif +#ifdef cimg_load_plugin4 + cimg_load_plugin4(filename); +#endif +#ifdef cimg_load_plugin5 + cimg_load_plugin5(filename); +#endif +#ifdef cimg_load_plugin6 + cimg_load_plugin6(filename); +#endif +#ifdef cimg_load_plugin7 + cimg_load_plugin7(filename); +#endif +#ifdef cimg_load_plugin8 + cimg_load_plugin8(filename); +#endif + // ASCII formats + if (!cimg::strcasecmp(ext,"asc")) load_ascii(filename); + if (!cimg::strcasecmp(ext,"dlm") || + !cimg::strcasecmp(ext,"txt")) load_dlm(filename); + + // 2D binary formats + if (!cimg::strcasecmp(ext,"bmp")) load_bmp(filename); + if (!cimg::strcasecmp(ext,"jpg") || + !cimg::strcasecmp(ext,"jpeg") || + !cimg::strcasecmp(ext,"jpe") || + !cimg::strcasecmp(ext,"jfif") || + !cimg::strcasecmp(ext,"jif")) load_jpeg(filename); + if (!cimg::strcasecmp(ext,"png")) load_png(filename); + if (!cimg::strcasecmp(ext,"ppm") || + !cimg::strcasecmp(ext,"pgm") || + !cimg::strcasecmp(ext,"pnm")) load_pnm(filename); + if (!cimg::strcasecmp(ext,"tif") || + !cimg::strcasecmp(ext,"tiff")) load_tiff(filename); + if (!cimg::strcasecmp(ext,"cr2") || + !cimg::strcasecmp(ext,"crw") || + !cimg::strcasecmp(ext,"dcr") || + !cimg::strcasecmp(ext,"mrw") || + !cimg::strcasecmp(ext,"nef") || + !cimg::strcasecmp(ext,"orf") || + !cimg::strcasecmp(ext,"pix") || + !cimg::strcasecmp(ext,"ptx") || + !cimg::strcasecmp(ext,"raf") || + !cimg::strcasecmp(ext,"srf")) load_dcraw_external(filename); + + // 3D binary formats + if (!cimg::strcasecmp(ext,"dcm") || + !cimg::strcasecmp(ext,"dicom")) load_medcon_external(filename); + if (!cimg::strcasecmp(ext,"hdr") || + !cimg::strcasecmp(ext,"nii")) load_analyze(filename); + if (!cimg::strcasecmp(ext,"par") || + !cimg::strcasecmp(ext,"rec")) load_parrec(filename); + if (!cimg::strcasecmp(ext,"inr")) load_inr(filename); + if (!cimg::strcasecmp(ext,"pan")) load_pandore(filename); + if (!cimg::strcasecmp(ext,"cimg") || + !cimg::strcasecmp(ext,"cimgz") || + *ext=='\0') return load_cimg(filename); + + // Archive files + if (!cimg::strcasecmp(ext,"gz")) load_gzip_external(filename); + + // Image sequences + if (!cimg::strcasecmp(ext,"avi") || + !cimg::strcasecmp(ext,"mov") || + !cimg::strcasecmp(ext,"asf") || + !cimg::strcasecmp(ext,"divx") || + !cimg::strcasecmp(ext,"flv") || + !cimg::strcasecmp(ext,"mpg") || + !cimg::strcasecmp(ext,"m1v") || + !cimg::strcasecmp(ext,"m2v") || + !cimg::strcasecmp(ext,"m4v") || + !cimg::strcasecmp(ext,"mjp") || + !cimg::strcasecmp(ext,"mkv") || + !cimg::strcasecmp(ext,"mpe") || + !cimg::strcasecmp(ext,"movie") || + !cimg::strcasecmp(ext,"ogm") || + !cimg::strcasecmp(ext,"qt") || + !cimg::strcasecmp(ext,"rm") || + !cimg::strcasecmp(ext,"vob") || + !cimg::strcasecmp(ext,"wmv") || + !cimg::strcasecmp(ext,"xvid") || + !cimg::strcasecmp(ext,"mpeg")) load_ffmpeg(filename); + if (is_empty()) throw CImgIOException("CImg<%s>::load()",pixel_type()); + } catch (CImgException& e) { + if (!cimg::strncasecmp(e.message,"cimg::fopen()",13)) { + cimg::exception_mode() = odebug; + throw CImgIOException("CImg<%s>::load() : File '%s' cannot be opened.",pixel_type(),filename); + } else try { + const char *const ftype = cimg::file_type(0,filename); + assign(); + if (!cimg::strcmp(ftype,"pnm")) load_pnm(filename); + if (!cimg::strcmp(ftype,"bmp")) load_bmp(filename); + if (!cimg::strcmp(ftype,"jpeg")) load_jpeg(filename); + if (!cimg::strcmp(ftype,"pan")) load_pandore(filename); + if (!cimg::strcmp(ftype,"png")) load_png(filename); + if (!cimg::strcmp(ftype,"tiff")) load_tiff(filename); + if (is_empty()) throw CImgIOException("CImg<%s>::load()",pixel_type()); + } catch (CImgException&) { + try { + load_other(filename); + } catch (CImgException&) { + assign(); + } + } + } + cimg::exception_mode() = odebug; + if (is_empty()) + throw CImgIOException("CImg<%s>::load() : File '%s', format not recognized.",pixel_type(),filename); + return *this; + } + + static CImg<T> get_load(const char *const filename) { + return CImg<T>().load(filename); + } + + //! Load an image from an ASCII file. + CImg<T>& load_ascii(const char *const filename) { + return _load_ascii(0,filename); + } + + static CImg<T> get_load_ascii(const char *const filename) { + return CImg<T>().load_ascii(filename); + } + + //! Load an image from an ASCII file. + CImg<T>& load_ascii(cimg_std::FILE *const file) { + return _load_ascii(file,0); + } + + static CImg<T> get_load_ascii(cimg_std::FILE *const file) { + return CImg<T>().load_ascii(file); + } + + CImg<T>& _load_ascii(cimg_std::FILE *const file, const char *const filename) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_ascii() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + char line[256] = { 0 }; + int err = cimg_std::fscanf(nfile,"%*[^0-9]%255[^\n]",line); + unsigned int off, dx = 0, dy = 1, dz = 1, dv = 1; + cimg_std::sscanf(line,"%u%*c%u%*c%u%*c%u",&dx,&dy,&dz,&dv); + err = cimg_std::fscanf(nfile,"%*[^0-9.+-]"); + if (!dx || !dy || !dz || !dv) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_ascii() : File '%s', invalid .ASC header, specified image dimensions are (%u,%u,%u,%u).", + pixel_type(),filename?filename:"(FILE*)",dx,dy,dz,dv); + } + assign(dx,dy,dz,dv); + const unsigned long siz = size(); + double val; + T *ptr = data; + for (err = 1, off = 0; off<siz && err==1; ++off) { + err = cimg_std::fscanf(nfile,"%lf%*[^0-9.+-]",&val); + *(ptr++) = (T)val; + } + if (err!=1) + cimg::warn("CImg<%s>::load_ascii() : File '%s', only %u/%lu values read.", + pixel_type(),filename?filename:"(FILE*)",off-1,siz); + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a DLM file. + CImg<T>& load_dlm(const char *const filename) { + return _load_dlm(0,filename); + } + + static CImg<T> get_load_dlm(const char *const filename) { + return CImg<T>().load_dlm(filename); + } + + //! Load an image from a DLM file. + CImg<T>& load_dlm(cimg_std::FILE *const file) { + return _load_dlm(file,0); + } + + static CImg<T> get_load_dlm(cimg_std::FILE *const file) { + return CImg<T>().load_dlm(file); + } + + CImg<T>& _load_dlm(cimg_std::FILE *const file, const char *const filename) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_dlm() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"r"); + assign(256,256); + char c, delimiter[256] = { 0 }, tmp[256]; + unsigned int cdx = 0, dx = 0, dy = 0; + int oerr = 0, err; + double val; + while ((err = cimg_std::fscanf(nfile,"%lf%255[^0-9.+-]",&val,delimiter))!=EOF) { + oerr = err; + if (err>0) (*this)(cdx++,dy) = (T)val; + if (cdx>=width) resize(width+256,1,1,1,0); + c = 0; if (!cimg_std::sscanf(delimiter,"%255[^\n]%c",tmp,&c) || c=='\n') { + dx = cimg::max(cdx,dx); + ++dy; + if (dy>=height) resize(width,height+256,1,1,0); + cdx = 0; + } + } + if (cdx && oerr==1) { dx=cdx; ++dy; } + if (!dx || !dy) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_dlm() : File '%s', invalid DLM file, specified image dimensions are (%u,%u).", + pixel_type(),filename?filename:"(FILE*)",dx,dy); + } + resize(dx,dy,1,1,0); + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a BMP file. + CImg<T>& load_bmp(const char *const filename) { + return _load_bmp(0,filename); + } + + static CImg<T> get_load_bmp(const char *const filename) { + return CImg<T>().load_bmp(filename); + } + + //! Load an image from a BMP file. + CImg<T>& load_bmp(cimg_std::FILE *const file) { + return _load_bmp(file,0); + } + + static CImg<T> get_load_bmp(cimg_std::FILE *const file) { + return CImg<T>().load_bmp(file); + } + + CImg<T>& _load_bmp(cimg_std::FILE *const file, const char *const filename) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_bmp() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + unsigned char header[64]; + cimg::fread(header,54,nfile); + if (header[0]!='B' || header[1]!='M') { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_bmp() : Invalid valid BMP file (filename '%s').", + pixel_type(),filename?filename:"(FILE*)"); + } + assign(); + + // Read header and pixel buffer + int + file_size = header[0x02] + (header[0x03]<<8) + (header[0x04]<<16) + (header[0x05]<<24), + offset = header[0x0A] + (header[0x0B]<<8) + (header[0x0C]<<16) + (header[0x0D]<<24), + dx = header[0x12] + (header[0x13]<<8) + (header[0x14]<<16) + (header[0x15]<<24), + dy = header[0x16] + (header[0x17]<<8) + (header[0x18]<<16) + (header[0x19]<<24), + compression = header[0x1E] + (header[0x1F]<<8) + (header[0x20]<<16) + (header[0x21]<<24), + nb_colors = header[0x2E] + (header[0x2F]<<8) + (header[0x30]<<16) + (header[0x31]<<24), + bpp = header[0x1C] + (header[0x1D]<<8), + *palette = 0; + const int + dx_bytes = (bpp==1)?(dx/8+(dx%8?1:0)):((bpp==4)?(dx/2+(dx%2?1:0)):(dx*bpp/8)), + align = (4-dx_bytes%4)%4, + buf_size = cimg::min(cimg::abs(dy)*(dx_bytes+align),file_size-offset); + + if (bpp<16) { if (!nb_colors) nb_colors=1<<bpp; } else nb_colors = 0; + if (nb_colors) { palette = new int[nb_colors]; cimg::fread(palette,nb_colors,nfile); } + const int xoffset = offset-54-4*nb_colors; + if (xoffset>0) cimg_std::fseek(nfile,xoffset,SEEK_CUR); + unsigned char *buffer = new unsigned char[buf_size], *ptrs = buffer; + cimg::fread(buffer,buf_size,nfile); + if (!file) cimg::fclose(nfile); + + // Decompress buffer (if necessary) + if (compression) { + delete[] buffer; + if (file) { + throw CImgIOException("CImg<%s>::load_bmp() : Not able to read a compressed BMP file using a *FILE input", + pixel_type()); + } else return load_other(filename); + } + + // Read pixel data + assign(dx,cimg::abs(dy),1,3); + switch (bpp) { + case 1 : { // Monochrome + for (int y=height-1; y>=0; --y) { + unsigned char mask = 0x80, val = 0; + cimg_forX(*this,x) { + if (mask==0x80) val = *(ptrs++); + const unsigned char *col = (unsigned char*)(palette+(val&mask?1:0)); + (*this)(x,y,2) = (T)*(col++); + (*this)(x,y,1) = (T)*(col++); + (*this)(x,y,0) = (T)*(col++); + mask = cimg::ror(mask); + } ptrs+=align; } + } break; + case 4 : { // 16 colors + for (int y=height-1; y>=0; --y) { + unsigned char mask = 0xF0, val = 0; + cimg_forX(*this,x) { + if (mask==0xF0) val = *(ptrs++); + const unsigned char color = (unsigned char)((mask<16)?(val&mask):((val&mask)>>4)); + unsigned char *col = (unsigned char*)(palette+color); + (*this)(x,y,2) = (T)*(col++); + (*this)(x,y,1) = (T)*(col++); + (*this)(x,y,0) = (T)*(col++); + mask = cimg::ror(mask,4); + } ptrs+=align; } + } break; + case 8 : { // 256 colors + for (int y=height-1; y>=0; --y) { cimg_forX(*this,x) { + const unsigned char *col = (unsigned char*)(palette+*(ptrs++)); + (*this)(x,y,2) = (T)*(col++); + (*this)(x,y,1) = (T)*(col++); + (*this)(x,y,0) = (T)*(col++); + } ptrs+=align; } + } break; + case 16 : { // 16 bits colors + for (int y=height-1; y>=0; --y) { cimg_forX(*this,x) { + const unsigned char c1 = *(ptrs++), c2 = *(ptrs++); + const unsigned short col = (unsigned short)(c1|(c2<<8)); + (*this)(x,y,2) = (T)(col&0x1F); + (*this)(x,y,1) = (T)((col>>5)&0x1F); + (*this)(x,y,0) = (T)((col>>10)&0x1F); + } ptrs+=align; } + } break; + case 24 : { // 24 bits colors + for (int y=height-1; y>=0; --y) { cimg_forX(*this,x) { + (*this)(x,y,2) = (T)*(ptrs++); + (*this)(x,y,1) = (T)*(ptrs++); + (*this)(x,y,0) = (T)*(ptrs++); + } ptrs+=align; } + } break; + case 32 : { // 32 bits colors + for (int y=height-1; y>=0; --y) { cimg_forX(*this,x) { + (*this)(x,y,2) = (T)*(ptrs++); + (*this)(x,y,1) = (T)*(ptrs++); + (*this)(x,y,0) = (T)*(ptrs++); + ++ptrs; + } ptrs+=align; } + } break; + } + if (palette) delete[] palette; + delete[] buffer; + if (dy<0) mirror('y'); + return *this; + } + + //! Load an image from a JPEG file. + CImg<T>& load_jpeg(const char *const filename) { + return _load_jpeg(0,filename); + } + + static CImg<T> get_load_jpeg(const char *const filename) { + return CImg<T>().load_jpeg(filename); + } + + //! Load an image from a JPEG file. + CImg<T>& load_jpeg(cimg_std::FILE *const file) { + return _load_jpeg(file,0); + } + + static CImg<T> get_load_jpeg(cimg_std::FILE *const file) { + return CImg<T>().load_jpeg(file); + } + + CImg<T>& _load_jpeg(cimg_std::FILE *const file, const char *const filename) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_jpeg() : Cannot load (null) filename.", + pixel_type()); +#ifndef cimg_use_jpeg + if (file) + throw CImgIOException("CImg<%s>::load_jpeg() : File '(FILE*)' cannot be read without using libjpeg.", + pixel_type()); + else return load_other(filename); +#else + struct jpeg_decompress_struct cinfo; + struct jpeg_error_mgr jerr; + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + + cinfo.err = jpeg_std_error(&jerr); + jpeg_create_decompress(&cinfo); + jpeg_stdio_src(&cinfo,nfile); + jpeg_read_header(&cinfo,TRUE); + jpeg_start_decompress(&cinfo); + + if (cinfo.output_components!=1 && cinfo.output_components!=3 && cinfo.output_components!=4) { + cimg::warn("CImg<%s>::load_jpeg() : Don't know how to read image '%s' with libpeg, trying ImageMagick's convert", + pixel_type(),filename?filename:"(FILE*)"); + if (!file) return load_other(filename); + else { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_jpeg() : Cannot read JPEG image '%s' using a *FILE input.", + pixel_type(),filename?filename:"(FILE*)"); + } + } + + const unsigned int row_stride = cinfo.output_width * cinfo.output_components; + unsigned char *buf = new unsigned char[cinfo.output_width*cinfo.output_height*cinfo.output_components], *buf2 = buf; + JSAMPROW row_pointer[1]; + while (cinfo.output_scanline < cinfo.output_height) { + row_pointer[0] = &buf[cinfo.output_scanline*row_stride]; + jpeg_read_scanlines(&cinfo,row_pointer,1); + } + jpeg_finish_decompress(&cinfo); + jpeg_destroy_decompress(&cinfo); + if (!file) cimg::fclose(nfile); + + assign(cinfo.output_width,cinfo.output_height,1,cinfo.output_components); + switch (dim) { + case 1 : { + T *ptr_g = data; + cimg_forXY(*this,x,y) *(ptr_g++) = (T)*(buf2++); + } break; + case 3 : { + T *ptr_r = ptr(0,0,0,0), *ptr_g = ptr(0,0,0,1), *ptr_b = ptr(0,0,0,2); + cimg_forXY(*this,x,y) { + *(ptr_r++) = (T)*(buf2++); + *(ptr_g++) = (T)*(buf2++); + *(ptr_b++) = (T)*(buf2++); + } + } break; + case 4 : { + T *ptr_r = ptr(0,0,0,0), *ptr_g = ptr(0,0,0,1), + *ptr_b = ptr(0,0,0,2), *ptr_a = ptr(0,0,0,3); + cimg_forXY(*this,x,y) { + *(ptr_r++) = (T)*(buf2++); + *(ptr_g++) = (T)*(buf2++); + *(ptr_b++) = (T)*(buf2++); + *(ptr_a++) = (T)*(buf2++); + } + } break; + } + delete[] buf; + return *this; +#endif + } + + //! Load an image from a file, using Magick++ library. + // Added April/may 2006 by Christoph Hormann <chris_hormann@gmx.de> + // This is experimental code, not much tested, use with care. + CImg<T>& load_magick(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load_magick() : Cannot load (null) filename.", + pixel_type()); +#ifdef cimg_use_magick + Magick::Image image(filename); + const unsigned int W = image.size().width(), H = image.size().height(); + switch (image.type()) { + case Magick::PaletteMatteType : + case Magick::TrueColorMatteType : + case Magick::ColorSeparationType : { + assign(W,H,1,4); + T *rdata = ptr(0,0,0,0), *gdata = ptr(0,0,0,1), *bdata = ptr(0,0,0,2), *adata = ptr(0,0,0,3); + Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); + for (unsigned int off = W*H; off; --off) { + *(rdata++) = (T)(pixels->red); + *(gdata++) = (T)(pixels->green); + *(bdata++) = (T)(pixels->blue); + *(adata++) = (T)(pixels->opacity); + ++pixels; + } + } break; + case Magick::PaletteType : + case Magick::TrueColorType : { + assign(W,H,1,3); + T *rdata = ptr(0,0,0,0), *gdata = ptr(0,0,0,1), *bdata = ptr(0,0,0,2); + Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); + for (unsigned int off = W*H; off; --off) { + *(rdata++) = (T)(pixels->red); + *(gdata++) = (T)(pixels->green); + *(bdata++) = (T)(pixels->blue); + ++pixels; + } + } break; + case Magick::GrayscaleMatteType : { + assign(W,H,1,2); + T *data = ptr(0,0,0,0), *adata = ptr(0,0,0,1); + Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); + for (unsigned int off = W*H; off; --off) { + *(data++) = (T)(pixels->red); + *(adata++) = (T)(pixels->opacity); + ++pixels; + } + } break; + default : { + assign(W,H,1,1); + T *data = ptr(0,0,0,0); + Magick::PixelPacket *pixels = image.getPixels(0,0,W,H); + for (unsigned int off = W*H; off; --off) { + *(data++) = (T)(pixels->red); + ++pixels; + } + } + } +#else + throw CImgIOException("CImg<%s>::load_magick() : File '%s', Magick++ library has not been linked.", + pixel_type(),filename); +#endif + return *this; + } + + static CImg<T> get_load_magick(const char *const filename) { + return CImg<T>().load_magick(filename); + } + + //! Load an image from a PNG file. + CImg<T>& load_png(const char *const filename) { + return _load_png(0,filename); + } + + static CImg<T> get_load_png(const char *const filename) { + return CImg<T>().load_png(filename); + } + + //! Load an image from a PNG file. + CImg<T>& load_png(cimg_std::FILE *const file) { + return _load_png(file,0); + } + + static CImg<T> get_load_png(cimg_std::FILE *const file) { + return CImg<T>().load_png(file); + } + + // (Note : Most of this function has been written by Eric Fausett) + CImg<T>& _load_png(cimg_std::FILE *const file, const char *const filename) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_png() : Cannot load (null) filename.", + pixel_type()); +#ifndef cimg_use_png + if (file) + throw CImgIOException("CImg<%s>::load_png() : File '(FILE*)' cannot be read without using libpng.", + pixel_type()); + else return load_other(filename); +#else + // Open file and check for PNG validity + const char *volatile nfilename = filename; // two 'volatile' here to remove a g++ warning due to 'setjmp'. + cimg_std::FILE *volatile nfile = file?file:cimg::fopen(nfilename,"rb"); + + unsigned char pngCheck[8]; + cimg::fread(pngCheck,8,(cimg_std::FILE*)nfile); + if (png_sig_cmp(pngCheck,0,8)) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_png() : File '%s' is not a valid PNG file.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + + // Setup PNG structures for read + png_voidp user_error_ptr = 0; + png_error_ptr user_error_fn = 0, user_warning_fn = 0; + png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,user_error_ptr,user_error_fn,user_warning_fn); + if (!png_ptr) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_png() : File '%s', trouble initializing 'png_ptr' data structure.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + png_infop info_ptr = png_create_info_struct(png_ptr); + if (!info_ptr) { + if (!file) cimg::fclose(nfile); + png_destroy_read_struct(&png_ptr,(png_infopp)0,(png_infopp)0); + throw CImgIOException("CImg<%s>::load_png() : File '%s', trouble initializing 'info_ptr' data structure.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + png_infop end_info = png_create_info_struct(png_ptr); + if (!end_info) { + if (!file) cimg::fclose(nfile); + png_destroy_read_struct(&png_ptr,&info_ptr,(png_infopp)0); + throw CImgIOException("CImg<%s>::load_png() : File '%s', trouble initializing 'end_info' data structure.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + + // Error handling callback for png file reading + if (setjmp(png_jmpbuf(png_ptr))) { + if (!file) cimg::fclose((cimg_std::FILE*)nfile); + png_destroy_read_struct(&png_ptr, &end_info, (png_infopp)0); + throw CImgIOException("CImg<%s>::load_png() : File '%s', unknown fatal error.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + png_init_io(png_ptr, nfile); + png_set_sig_bytes(png_ptr, 8); + + // Get PNG Header Info up to data block + png_read_info(png_ptr,info_ptr); + png_uint_32 W, H; + int bit_depth, color_type, interlace_type; + png_get_IHDR(png_ptr,info_ptr,&W,&H,&bit_depth,&color_type,&interlace_type,int_p_NULL,int_p_NULL); + int new_bit_depth = bit_depth; + int new_color_type = color_type; + + // Transforms to unify image data + if (new_color_type == PNG_COLOR_TYPE_PALETTE){ + png_set_palette_to_rgb(png_ptr); + new_color_type -= PNG_COLOR_MASK_PALETTE; + new_bit_depth = 8; + } + if (new_color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8){ + png_set_expand_gray_1_2_4_to_8(png_ptr); + new_bit_depth = 8; + } + if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) + png_set_tRNS_to_alpha(png_ptr); + if (new_color_type == PNG_COLOR_TYPE_GRAY || new_color_type == PNG_COLOR_TYPE_GRAY_ALPHA){ + png_set_gray_to_rgb(png_ptr); + new_color_type |= PNG_COLOR_MASK_COLOR; + } + if (new_color_type == PNG_COLOR_TYPE_RGB) + png_set_filler(png_ptr, 0xffffU, PNG_FILLER_AFTER); + png_read_update_info(png_ptr,info_ptr); + if (!(new_bit_depth==8 || new_bit_depth==16)) { + if (!file) cimg::fclose(nfile); + png_destroy_read_struct(&png_ptr, &end_info, (png_infopp)0); + throw CImgIOException("CImg<%s>::load_png() : File '%s', wrong bit coding (bit_depth=%u)", + pixel_type(),nfilename?nfilename:"(FILE*)",new_bit_depth); + } + const int byte_depth = new_bit_depth>>3; + + // Allocate Memory for Image Read + png_bytep *imgData = new png_bytep[H]; + for (unsigned int row = 0; row<H; ++row) imgData[row] = new png_byte[byte_depth*4*W]; + png_read_image(png_ptr,imgData); + png_read_end(png_ptr,end_info); + + // Read pixel data + if (!(new_color_type==PNG_COLOR_TYPE_RGB || new_color_type==PNG_COLOR_TYPE_RGB_ALPHA)) { + if (!file) cimg::fclose(nfile); + png_destroy_read_struct(&png_ptr,&end_info,(png_infopp)0); + throw CImgIOException("CImg<%s>::load_png() : File '%s', wrong color coding (new_color_type=%u)", + pixel_type(),nfilename?nfilename:"(FILE*)",new_color_type); + } + const bool no_alpha_channel = (new_color_type==PNG_COLOR_TYPE_RGB); + assign(W,H,1,no_alpha_channel?3:4); + T *ptr1 = ptr(0,0,0,0), *ptr2 = ptr(0,0,0,1), *ptr3 = ptr(0,0,0,2), *ptr4 = ptr(0,0,0,3); + switch (new_bit_depth) { + case 8 : { + cimg_forY(*this,y){ + const unsigned char *ptrs = (unsigned char*)imgData[y]; + cimg_forX(*this,x){ + *(ptr1++) = (T)*(ptrs++); + *(ptr2++) = (T)*(ptrs++); + *(ptr3++) = (T)*(ptrs++); + if (no_alpha_channel) ++ptrs; else *(ptr4++) = (T)*(ptrs++); + } + } + } break; + case 16 : { + cimg_forY(*this,y){ + const unsigned short *ptrs = (unsigned short*)(imgData[y]); + if (!cimg::endianness()) cimg::invert_endianness(ptrs,4*width); + cimg_forX(*this,x){ + *(ptr1++) = (T)*(ptrs++); + *(ptr2++) = (T)*(ptrs++); + *(ptr3++) = (T)*(ptrs++); + if (no_alpha_channel) ++ptrs; else *(ptr4++) = (T)*(ptrs++); + } + } + } break; + } + png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); + + // Deallocate Image Read Memory + cimg_forY(*this,n) delete[] imgData[n]; + delete[] imgData; + if (!file) cimg::fclose(nfile); + return *this; +#endif + } + + //! Load an image from a PNM file. + CImg<T>& load_pnm(const char *const filename) { + return _load_pnm(0,filename); + } + + static CImg<T> get_load_pnm(const char *const filename) { + return CImg<T>().load_pnm(filename); + } + + //! Load an image from a PNM file. + CImg<T>& load_pnm(cimg_std::FILE *const file) { + return _load_pnm(file,0); + } + + static CImg<T> get_load_pnm(cimg_std::FILE *const file) { + return CImg<T>().load_pnm(file); + } + + CImg<T>& _load_pnm(cimg_std::FILE *const file, const char *const filename) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_pnm() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + unsigned int ppm_type, W, H, colormax = 255; + char item[1024] = { 0 }; + int err, rval, gval, bval; + const int cimg_iobuffer = 12*1024*1024; + while ((err=cimg_std::fscanf(nfile,"%1023[^\n]",item))!=EOF && (item[0]=='#' || !err)) cimg_std::fgetc(nfile); + if (cimg_std::sscanf(item," P%u",&ppm_type)!=1) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_pnm() : File '%s', PNM header 'P?' not found.", + pixel_type(),filename?filename:"(FILE*)"); + } + while ((err=cimg_std::fscanf(nfile," %1023[^\n]",item))!=EOF && (item[0]=='#' || !err)) cimg_std::fgetc(nfile); + if ((err=cimg_std::sscanf(item," %u %u %u",&W,&H,&colormax))<2) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_pnm() : File '%s', WIDTH and HEIGHT fields are not defined in PNM header.", + pixel_type(),filename?filename:"(FILE*)"); + } + if (err==2) { + while ((err=cimg_std::fscanf(nfile," %1023[^\n]",item))!=EOF && (item[0]=='#' || !err)) cimg_std::fgetc(nfile); + if (cimg_std::sscanf(item,"%u",&colormax)!=1) + cimg::warn("CImg<%s>::load_pnm() : File '%s', COLORMAX field is not defined in PNM header.", + pixel_type(),filename?filename:"(FILE*)"); + } + cimg_std::fgetc(nfile); + assign(); + + switch (ppm_type) { + case 2 : { // Grey Ascii + assign(W,H,1,1); + T* rdata = data; + cimg_foroff(*this,off) { if (cimg_std::fscanf(nfile,"%d",&rval)>0) *(rdata++) = (T)rval; else break; } + } break; + case 3 : { // Color Ascii + assign(W,H,1,3); + T *rdata = ptr(0,0,0,0), *gdata = ptr(0,0,0,1), *bdata = ptr(0,0,0,2); + cimg_forXY(*this,x,y) { + if (cimg_std::fscanf(nfile,"%d %d %d",&rval,&gval,&bval)==3) { *(rdata++) = (T)rval; *(gdata++) = (T)gval; *(bdata++) = (T)bval; } + else break; + } + } break; + case 5 : { // Grey Binary + if (colormax<256) { // 8 bits + CImg<ucharT> raw; + assign(W,H,1,1); + T *ptrd = ptr(0,0,0,0); + for (int toread = (int)size(); toread>0; ) { + raw.assign(cimg::min(toread,cimg_iobuffer)); + cimg::fread(raw.data,raw.width,nfile); + toread-=raw.width; + const unsigned char *ptrs = raw.data; + for (unsigned int off = raw.width; off; --off) *(ptrd++) = (T)*(ptrs++); + } + } else { // 16 bits + CImg<ushortT> raw; + assign(W,H,1,1); + T *ptrd = ptr(0,0,0,0); + for (int toread = (int)size(); toread>0; ) { + raw.assign(cimg::min(toread,cimg_iobuffer/2)); + cimg::fread(raw.data,raw.width,nfile); + if (!cimg::endianness()) cimg::invert_endianness(raw.data,raw.width); + toread-=raw.width; + const unsigned short *ptrs = raw.data; + for (unsigned int off = raw.width; off; --off) *(ptrd++) = (T)*(ptrs++); + } + } + } break; + case 6 : { // Color Binary + if (colormax<256) { // 8 bits + CImg<ucharT> raw; + assign(W,H,1,3); + T + *ptr_r = ptr(0,0,0,0), + *ptr_g = ptr(0,0,0,1), + *ptr_b = ptr(0,0,0,2); + for (int toread = (int)size(); toread>0; ) { + raw.assign(cimg::min(toread,cimg_iobuffer)); + cimg::fread(raw.data,raw.width,nfile); + toread-=raw.width; + const unsigned char *ptrs = raw.data; + for (unsigned int off = raw.width/3; off; --off) { + *(ptr_r++) = (T)*(ptrs++); + *(ptr_g++) = (T)*(ptrs++); + *(ptr_b++) = (T)*(ptrs++); + } + } + } else { // 16 bits + CImg<ushortT> raw; + assign(W,H,1,3); + T + *ptr_r = ptr(0,0,0,0), + *ptr_g = ptr(0,0,0,1), + *ptr_b = ptr(0,0,0,2); + for (int toread = (int)size(); toread>0; ) { + raw.assign(cimg::min(toread,cimg_iobuffer/2)); + cimg::fread(raw.data,raw.width,nfile); + if (!cimg::endianness()) cimg::invert_endianness(raw.data,raw.width); + toread-=raw.width; + const unsigned short *ptrs = raw.data; + for (unsigned int off = raw.width/3; off; --off) { + *(ptr_r++) = (T)*(ptrs++); + *(ptr_g++) = (T)*(ptrs++); + *(ptr_b++) = (T)*(ptrs++); + } + } + } + } break; + default : + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_pnm() : File '%s', PPM type 'P%d' not supported.", + pixel_type(),filename?filename:"(FILE*)",ppm_type); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a RGB file. + CImg<T>& load_rgb(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { + return _load_rgb(0,filename,dimw,dimh); + } + + static CImg<T> get_load_rgb(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { + return CImg<T>().load_rgb(filename,dimw,dimh); + } + + //! Load an image from a RGB file. + CImg<T>& load_rgb(cimg_std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { + return _load_rgb(file,0,dimw,dimh); + } + + static CImg<T> get_load_rgb(cimg_std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { + return CImg<T>().load_rgb(file,dimw,dimh); + } + + CImg<T>& _load_rgb(cimg_std::FILE *const file, const char *const filename, const unsigned int dimw, const unsigned int dimh) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_rgb() : Cannot load (null) filename.", + pixel_type()); + if (!dimw || !dimh) return assign(); + const int cimg_iobuffer = 12*1024*1024; + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + CImg<ucharT> raw; + assign(dimw,dimh,1,3); + T + *ptr_r = ptr(0,0,0,0), + *ptr_g = ptr(0,0,0,1), + *ptr_b = ptr(0,0,0,2); + for (int toread = (int)size(); toread>0; ) { + raw.assign(cimg::min(toread,cimg_iobuffer)); + cimg::fread(raw.data,raw.width,nfile); + toread-=raw.width; + const unsigned char *ptrs = raw.data; + for (unsigned int off = raw.width/3; off; --off) { + *(ptr_r++) = (T)*(ptrs++); + *(ptr_g++) = (T)*(ptrs++); + *(ptr_b++) = (T)*(ptrs++); + } + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a RGBA file. + CImg<T>& load_rgba(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { + return _load_rgba(0,filename,dimw,dimh); + } + + static CImg<T> get_load_rgba(const char *const filename, const unsigned int dimw, const unsigned int dimh=1) { + return CImg<T>().load_rgba(filename,dimw,dimh); + } + + //! Load an image from a RGBA file. + CImg<T>& load_rgba(cimg_std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { + return _load_rgba(file,0,dimw,dimh); + } + + static CImg<T> get_load_rgba(cimg_std::FILE *const file, const unsigned int dimw, const unsigned int dimh=1) { + return CImg<T>().load_rgba(file,dimw,dimh); + } + + CImg<T>& _load_rgba(cimg_std::FILE *const file, const char *const filename, const unsigned int dimw, const unsigned int dimh) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_rgba() : Cannot load (null) filename.", + pixel_type()); + if (!dimw || !dimh) return assign(); + const int cimg_iobuffer = 12*1024*1024; + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + CImg<ucharT> raw; + assign(dimw,dimh,1,4); + T + *ptr_r = ptr(0,0,0,0), + *ptr_g = ptr(0,0,0,1), + *ptr_b = ptr(0,0,0,2), + *ptr_a = ptr(0,0,0,3); + for (int toread = (int)size(); toread>0; ) { + raw.assign(cimg::min(toread,cimg_iobuffer)); + cimg::fread(raw.data,raw.width,nfile); + toread-=raw.width; + const unsigned char *ptrs = raw.data; + for (unsigned int off = raw.width/4; off; --off) { + *(ptr_r++) = (T)*(ptrs++); + *(ptr_g++) = (T)*(ptrs++); + *(ptr_b++) = (T)*(ptrs++); + *(ptr_a++) = (T)*(ptrs++); + } + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a TIFF file. + CImg<T>& load_tiff(const char *const filename, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load_tiff() : Cannot load (null) filename.", + pixel_type()); + const unsigned int + nfirst_frame = first_frame<last_frame?first_frame:last_frame, + nstep_frame = step_frame?step_frame:1; + unsigned int nlast_frame = first_frame<last_frame?last_frame:first_frame; + +#ifndef cimg_use_tiff + if (nfirst_frame || nlast_frame!=~0U || nstep_frame>1) + throw CImgArgumentException("CImg<%s>::load_tiff() : File '%s', reading sub-images from a tiff file requires the use of libtiff.\n" + "('cimg_use_tiff' must be defined).", + pixel_type(),filename); + return load_other(filename); +#else + TIFF *tif = TIFFOpen(filename,"r"); + if (tif) { + unsigned int nb_images = 0; + do ++nb_images; while (TIFFReadDirectory(tif)); + if (nfirst_frame>=nb_images || (nlast_frame!=~0U && nlast_frame>=nb_images)) + cimg::warn("CImg<%s>::load_tiff() : File '%s' contains %u image(s), specified frame range is [%u,%u] (step %u).", + pixel_type(),filename,nb_images,nfirst_frame,nlast_frame,nstep_frame); + if (nfirst_frame>=nb_images) return assign(); + if (nlast_frame>=nb_images) nlast_frame = nb_images-1; + TIFFSetDirectory(tif,0); + CImg<T> frame; + for (unsigned int l = nfirst_frame; l<=nlast_frame; l+=nstep_frame) { + frame._load_tiff(tif,l); + if (l==nfirst_frame) assign(frame.width,frame.height,1+(nlast_frame-nfirst_frame)/nstep_frame,frame.dim); + if (frame.width>width || frame.height>height || frame.dim>dim) + resize(cimg::max(frame.width,width),cimg::max(frame.height,height),-100,cimg::max(frame.dim,dim),0); + draw_image(0,0,(l-nfirst_frame)/nstep_frame,frame); + } + TIFFClose(tif); + } else throw CImgException("CImg<%s>::load_tiff() : File '%s' cannot be opened.", + pixel_type(),filename); + return *this; +#endif + } + + static CImg<T> get_load_tiff(const char *const filename, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1) { + return CImg<T>().load_tiff(filename,first_frame,last_frame,step_frame); + } + + // (Original contribution by Jerome Boulanger). +#ifdef cimg_use_tiff + CImg<T>& _load_tiff(TIFF *tif, const unsigned int directory) { + if (!TIFFSetDirectory(tif,directory)) return assign(); + uint16 samplesperpixel, bitspersample; + uint32 nx,ny; + const char *const filename = TIFFFileName(tif); + TIFFGetField(tif,TIFFTAG_IMAGEWIDTH,&nx); + TIFFGetField(tif,TIFFTAG_IMAGELENGTH,&ny); + TIFFGetField(tif,TIFFTAG_SAMPLESPERPIXEL,&samplesperpixel); + if (samplesperpixel!=1 && samplesperpixel!=3 && samplesperpixel!=4) { + cimg::warn("CImg<%s>::load_tiff() : File '%s', unknow value for tag : TIFFTAG_SAMPLESPERPIXEL, will force it to 1.", + pixel_type(),filename); + samplesperpixel = 1; + } + TIFFGetFieldDefaulted(tif,TIFFTAG_BITSPERSAMPLE,&bitspersample); + assign(nx,ny,1,samplesperpixel); + if (bitspersample!=8 || !(samplesperpixel==3 || samplesperpixel==4)) { + uint16 photo, config; + TIFFGetField(tif,TIFFTAG_PLANARCONFIG,&config); + TIFFGetField(tif,TIFFTAG_PHOTOMETRIC,&photo); + if (TIFFIsTiled(tif)) { + uint32 tw, th; + TIFFGetField(tif,TIFFTAG_TILEWIDTH,&tw); + TIFFGetField(tif,TIFFTAG_TILELENGTH,&th); + if (config==PLANARCONFIG_CONTIG) switch (bitspersample) { + case 8 : { + unsigned char *buf = (unsigned char*)_TIFFmalloc(TIFFTileSize(tif)); + if (buf) { + for (unsigned int row = 0; row<ny; row+=th) + for (unsigned int col = 0; col<nx; col+=tw) { + if (TIFFReadTile(tif,buf,col,row,0,0)<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a tile.", + pixel_type(),filename); + } else { + unsigned char *ptr = buf; + for (unsigned int rr = row; rr<cimg::min((unsigned int)(row+th),(unsigned int)ny); ++rr) + for (unsigned int cc = col; cc<cimg::min((unsigned int)(col+tw),(unsigned int)nx); ++cc) + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + (*this)(cc,rr,vv) = (T)(float)(ptr[(rr-row)*th*samplesperpixel + (cc-col)*samplesperpixel + vv]); + } + } + _TIFFfree(buf); + } + } break; + case 16 : { + unsigned short *buf = (unsigned short*)_TIFFmalloc(TIFFTileSize(tif)); + if (buf) { + for (unsigned int row = 0; row<ny; row+=th) + for (unsigned int col = 0; col<nx; col+=tw) { + if (TIFFReadTile(tif,buf,col,row,0,0)<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a tile.", + pixel_type(),filename); + } else { + unsigned short *ptr = buf; + for (unsigned int rr = row; rr<cimg::min((unsigned int)(row+th),(unsigned int)ny); ++rr) + for (unsigned int cc = col; cc<cimg::min((unsigned int)(col+tw),(unsigned int)nx); ++cc) + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + (*this)(cc,rr,vv) = (T)(float)(ptr[(rr-row)*th*samplesperpixel + (cc-col)*samplesperpixel + vv]); + } + } + _TIFFfree(buf); + } + } break; + case 32 : { + float *buf = (float*)_TIFFmalloc(TIFFTileSize(tif)); + if (buf) { + for (unsigned int row = 0; row<ny; row+=th) + for (unsigned int col = 0; col<nx; col+=tw) { + if (TIFFReadTile(tif,buf,col,row,0,0)<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a tile.", + pixel_type(),filename); + } else { + float *ptr = buf; + for (unsigned int rr = row; rr<cimg::min((unsigned int)(row+th),(unsigned int)ny); ++rr) + for (unsigned int cc = col; cc<cimg::min((unsigned int)(col+tw),(unsigned int)nx); ++cc) + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + (*this)(cc,rr,vv) = (T)(float)(ptr[(rr-row)*th*samplesperpixel + (cc-col)*samplesperpixel + vv]); + } + } + _TIFFfree(buf); + } + } break; + } else switch (bitspersample) { + case 8 : { + unsigned char *buf = (unsigned char*)_TIFFmalloc(TIFFTileSize(tif)); + if (buf) { + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + for (unsigned int row = 0; row<ny; row+=th) + for (unsigned int col = 0; col<nx; col+=tw) { + if (TIFFReadTile(tif,buf,col,row,0,vv)<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a tile.", + pixel_type(),filename); + } else { + unsigned char *ptr = buf; + for (unsigned int rr = row; rr<cimg::min((unsigned int)(row+th),(unsigned int)ny); ++rr) + for (unsigned int cc = col; cc<cimg::min((unsigned int)(col+tw),(unsigned int)nx); ++cc) + (*this)(cc,rr,vv) = (T)(float)*(ptr++); + } + } + _TIFFfree(buf); + } + } break; + case 16 : { + unsigned short *buf = (unsigned short*)_TIFFmalloc(TIFFTileSize(tif)); + if (buf) { + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + for (unsigned int row = 0; row<ny; row+=th) + for (unsigned int col = 0; col<nx; col+=tw) { + if (TIFFReadTile(tif,buf,col,row,0,vv)<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a tile.", + pixel_type(),filename); + } else { + unsigned short *ptr = buf; + for (unsigned int rr = row; rr<cimg::min((unsigned int)(row+th),(unsigned int)ny); ++rr) + for (unsigned int cc = col; cc<cimg::min((unsigned int)(col+tw),(unsigned int)nx); ++cc) + (*this)(cc,rr,vv) = (T)(float)*(ptr++); + } + } + _TIFFfree(buf); + } + } break; + case 32 : { + float *buf = (float*)_TIFFmalloc(TIFFTileSize(tif)); + if (buf) { + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + for (unsigned int row = 0; row<ny; row+=th) + for (unsigned int col = 0; col<nx; col+=tw) { + if (TIFFReadTile(tif,buf,col,row,0,vv)<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a tile.", + pixel_type(),filename); + } else { + float *ptr = buf; + for (unsigned int rr = row; rr<cimg::min((unsigned int)(row+th),(unsigned int)ny); ++rr) + for (unsigned int cc = col; cc<cimg::min((unsigned int)(col+tw),(unsigned int)nx); ++cc) + (*this)(cc,rr,vv) = (T)(float)*(ptr++); + } + } + _TIFFfree(buf); + } + } break; + } + } else { + if (config==PLANARCONFIG_CONTIG) switch (bitspersample) { + case 8 : { + unsigned char *buf = (unsigned char*)_TIFFmalloc(TIFFStripSize(tif)); + if (buf) { + uint32 row, rowsperstrip = (uint32)-1; + TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); + for (row = 0; row<ny; row+= rowsperstrip) { + uint32 nrow = (row+rowsperstrip>ny?ny-row:rowsperstrip); + tstrip_t strip = TIFFComputeStrip(tif, row, 0); + if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a strip.", + pixel_type(),filename); + } + unsigned char *ptr = buf; + for (unsigned int rr = 0; rr<nrow; ++rr) + for (unsigned int cc = 0; cc<nx; ++cc) + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) (*this)(cc,row+rr,vv) = (T)(float)*(ptr++); + } + _TIFFfree(buf); + } + } break; + case 16 : { + unsigned short *buf = (unsigned short*)_TIFFmalloc(TIFFStripSize(tif)); + if (buf) { + uint32 row, rowsperstrip = (uint32)-1; + TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); + for (row = 0; row<ny; row+= rowsperstrip) { + uint32 nrow = (row+rowsperstrip>ny?ny-row:rowsperstrip); + tstrip_t strip = TIFFComputeStrip(tif, row, 0); + if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', error while reading a strip.", + pixel_type(),filename); + } + unsigned short *ptr = buf; + for (unsigned int rr = 0; rr<nrow; ++rr) + for (unsigned int cc = 0; cc<nx; ++cc) + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) (*this)(cc,row+rr,vv) = (T)(float)*(ptr++); + } + _TIFFfree(buf); + } + } break; + case 32 : { + float *buf = (float*)_TIFFmalloc(TIFFStripSize(tif)); + if (buf) { + uint32 row, rowsperstrip = (uint32)-1; + TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); + for (row = 0; row<ny; row+= rowsperstrip) { + uint32 nrow = (row+rowsperstrip>ny?ny-row:rowsperstrip); + tstrip_t strip = TIFFComputeStrip(tif, row, 0); + if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', error while reading a strip.", + pixel_type(),filename); + } + float *ptr = buf; + for (unsigned int rr = 0; rr<nrow; ++rr) + for (unsigned int cc = 0; cc<nx; ++cc) + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) (*this)(cc,row+rr,vv) = (T)(float)*(ptr++); + } + _TIFFfree(buf); + } + } break; + } else switch (bitspersample){ + case 8 : { + unsigned char *buf = (unsigned char*)_TIFFmalloc(TIFFStripSize(tif)); + if (buf) { + uint32 row, rowsperstrip = (uint32)-1; + TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); + for (unsigned int vv=0; vv<samplesperpixel; ++vv) + for (row = 0; row<ny; row+= rowsperstrip) { + uint32 nrow = (row+rowsperstrip>ny?ny-row:rowsperstrip); + tstrip_t strip = TIFFComputeStrip(tif, row, vv); + if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', an error occure while reading a strip.", + pixel_type(),filename); + } + unsigned char *ptr = buf; + for (unsigned int rr = 0;rr<nrow; ++rr) + for (unsigned int cc = 0; cc<nx; ++cc) + (*this)(cc,row+rr,vv) = (T)(float)*(ptr++); + } + _TIFFfree(buf); + } + } break; + case 16 : { + unsigned short *buf = (unsigned short*)_TIFFmalloc(TIFFStripSize(tif)); + if (buf) { + uint32 row, rowsperstrip = (uint32)-1; + TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + for (row = 0; row<ny; row+= rowsperstrip) { + uint32 nrow = (row+rowsperstrip>ny?ny-row:rowsperstrip); + tstrip_t strip = TIFFComputeStrip(tif, row, vv); + if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', error while reading a strip.", + pixel_type(),filename); + } + unsigned short *ptr = buf; + for (unsigned int rr = 0; rr<nrow; ++rr) + for (unsigned int cc = 0; cc<nx; ++cc) + (*this)(cc,row+rr,vv) = (T)(float)*(ptr++); + } + _TIFFfree(buf); + } + } break; + case 32 : { + float *buf = (float*)_TIFFmalloc(TIFFStripSize(tif)); + if (buf) { + uint32 row, rowsperstrip = (uint32)-1; + TIFFGetField(tif,TIFFTAG_ROWSPERSTRIP,&rowsperstrip); + for (unsigned int vv = 0; vv<samplesperpixel; ++vv) + for (row = 0; row<ny; row+= rowsperstrip) { + uint32 nrow = (row+rowsperstrip>ny?ny-row:rowsperstrip); + tstrip_t strip = TIFFComputeStrip(tif, row, vv); + if ((TIFFReadEncodedStrip(tif,strip,buf,-1))<0) { + _TIFFfree(buf); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', error while reading a strip.", + pixel_type(),filename); + } + float *ptr = buf; + for (unsigned int rr = 0; rr<nrow; ++rr) for (unsigned int cc = 0; cc<nx; ++cc) + (*this)(cc,row+rr,vv) = (T)(float)*(ptr++); + } + _TIFFfree(buf); + } + } break; + } + } + } else { + uint32* raster = (uint32*)_TIFFmalloc(nx * ny * sizeof (uint32)); + if (!raster) { + _TIFFfree(raster); TIFFClose(tif); + throw CImgException("CImg<%s>::load_tiff() : File '%s', not enough memory for buffer allocation.", + pixel_type(),filename); + } + TIFFReadRGBAImage(tif,nx,ny,raster,0); + switch (samplesperpixel) { + case 1 : { + cimg_forXY(*this,x,y) (*this)(x,y) = (T)(float)((raster[nx*(ny-1-y)+x]+ 128) / 257); + } break; + case 3 : { + cimg_forXY(*this,x,y) { + (*this)(x,y,0) = (T)(float)TIFFGetR(raster[nx*(ny-1-y)+x]); + (*this)(x,y,1) = (T)(float)TIFFGetG(raster[nx*(ny-1-y)+x]); + (*this)(x,y,2) = (T)(float)TIFFGetB(raster[nx*(ny-1-y)+x]); + } + } break; + case 4 : { + cimg_forXY(*this,x,y) { + (*this)(x,y,0) = (T)(float)TIFFGetR(raster[nx*(ny-1-y)+x]); + (*this)(x,y,1) = (T)(float)TIFFGetG(raster[nx*(ny-1-y)+x]); + (*this)(x,y,2) = (T)(float)TIFFGetB(raster[nx*(ny-1-y)+x]); + (*this)(x,y,3) = (T)(float)TIFFGetA(raster[nx*(ny-1-y)+x]); + } + } break; + } + _TIFFfree(raster); + } + return *this; + } +#endif + + //! Load an image from an ANALYZE7.5/NIFTI file. + CImg<T>& load_analyze(const char *const filename, float *const voxsize=0) { + return _load_analyze(0,filename,voxsize); + } + + static CImg<T> get_load_analyze(const char *const filename, float *const voxsize=0) { + return CImg<T>().load_analyze(filename,voxsize); + } + + //! Load an image from an ANALYZE7.5/NIFTI file. + CImg<T>& load_analyze(cimg_std::FILE *const file, float *const voxsize=0) { + return _load_analyze(file,0,voxsize); + } + + static CImg<T> get_load_analyze(cimg_std::FILE *const file, float *const voxsize=0) { + return CImg<T>().load_analyze(file,voxsize); + } + + CImg<T>& _load_analyze(cimg_std::FILE *const file, const char *const filename, float *const voxsize=0) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_analyze() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *nfile_header = 0, *nfile = 0; + if (!file) { + char body[1024]; + const char *ext = cimg::split_filename(filename,body); + if (!cimg::strcasecmp(ext,"hdr")) { // File is an Analyze header file. + nfile_header = cimg::fopen(filename,"rb"); + cimg_std::sprintf(body+cimg::strlen(body),".img"); + nfile = cimg::fopen(body,"rb"); + } else if (!cimg::strcasecmp(ext,"img")) { // File is an Analyze data file. + nfile = cimg::fopen(filename,"rb"); + cimg_std::sprintf(body+cimg::strlen(body),".hdr"); + nfile_header = cimg::fopen(body,"rb"); + } else nfile_header = nfile = cimg::fopen(filename,"rb"); // File is a Niftii file. + } else nfile_header = nfile = file; // File is a Niftii file. + if (!nfile || !nfile_header) + throw CImgIOException("CImg<%s>::load_analyze() : File '%s', not recognized as an Analyze7.5 or NIFTI file.", + pixel_type(),filename?filename:"(FILE*)"); + + // Read header. + bool endian = false; + unsigned int header_size; + cimg::fread(&header_size,1,nfile_header); + if (!header_size) + throw CImgIOException("CImg<%s>::load_analyze() : File '%s', zero-sized header found.", + pixel_type(),filename?filename:"(FILE*)"); + if (header_size>=4096) { endian = true; cimg::invert_endianness(header_size); } + unsigned char *header = new unsigned char[header_size]; + cimg::fread(header+4,header_size-4,nfile_header); + if (!file && nfile_header!=nfile) cimg::fclose(nfile_header); + if (endian) { + cimg::invert_endianness((short*)(header+40),5); + cimg::invert_endianness((short*)(header+70),1); + cimg::invert_endianness((short*)(header+72),1); + cimg::invert_endianness((float*)(header+76),4); + cimg::invert_endianness((float*)(header+112),1); + } + unsigned short *dim = (unsigned short*)(header+40), dimx = 1, dimy = 1, dimz = 1, dimv = 1; + if (!dim[0]) + cimg::warn("CImg<%s>::load_analyze() : File '%s', tells that image has zero dimensions.", + pixel_type(),filename?filename:"(FILE*)"); + if (dim[0]>4) + cimg::warn("CImg<%s>::load_analyze() : File '%s', number of image dimension is %u, reading only the 4 first dimensions", + pixel_type(),filename?filename:"(FILE*)",dim[0]); + if (dim[0]>=1) dimx = dim[1]; + if (dim[0]>=2) dimy = dim[2]; + if (dim[0]>=3) dimz = dim[3]; + if (dim[0]>=4) dimv = dim[4]; + float scalefactor = *(float*)(header+112); if (scalefactor==0) scalefactor=1; + const unsigned short datatype = *(short*)(header+70); + if (voxsize) { + const float *vsize = (float*)(header+76); + voxsize[0] = vsize[1]; voxsize[1] = vsize[2]; voxsize[2] = vsize[3]; + } + delete[] header; + + // Read pixel data. + assign(dimx,dimy,dimz,dimv); + switch (datatype) { + case 2 : { + unsigned char *buffer = new unsigned char[dimx*dimy*dimz*dimv]; + cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); + cimg_foroff(*this,off) data[off] = (T)(buffer[off]*scalefactor); + delete[] buffer; + } break; + case 4 : { + short *buffer = new short[dimx*dimy*dimz*dimv]; + cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); + if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); + cimg_foroff(*this,off) data[off] = (T)(buffer[off]*scalefactor); + delete[] buffer; + } break; + case 8 : { + int *buffer = new int[dimx*dimy*dimz*dimv]; + cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); + if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); + cimg_foroff(*this,off) data[off] = (T)(buffer[off]*scalefactor); + delete[] buffer; + } break; + case 16 : { + float *buffer = new float[dimx*dimy*dimz*dimv]; + cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); + if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); + cimg_foroff(*this,off) data[off] = (T)(buffer[off]*scalefactor); + delete[] buffer; + } break; + case 64 : { + double *buffer = new double[dimx*dimy*dimz*dimv]; + cimg::fread(buffer,dimx*dimy*dimz*dimv,nfile); + if (endian) cimg::invert_endianness(buffer,dimx*dimy*dimz*dimv); + cimg_foroff(*this,off) data[off] = (T)(buffer[off]*scalefactor); + delete[] buffer; + } break; + default : + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_analyze() : File '%s', cannot read images with 'datatype = %d'", + pixel_type(),filename?filename:"(FILE*)",datatype); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image (list) from a .cimg file. + CImg<T>& load_cimg(const char *const filename, const char axis='z', const char align='p') { + CImgList<T> list; + list.load_cimg(filename); + if (list.size==1) return list[0].transfer_to(*this); + return assign(list.get_append(axis,align)); + } + + static CImg<T> get_load_cimg(const char *const filename, const char axis='z', const char align='p') { + return CImg<T>().load_cimg(filename,axis,align); + } + + //! Load an image (list) from a .cimg file. + CImg<T>& load_cimg(cimg_std::FILE *const file, const char axis='z', const char align='p') { + CImgList<T> list; + list.load_cimg(file); + if (list.size==1) return list[0].transfer_to(*this); + return assign(list.get_append(axis,align)); + } + + static CImg<T> get_load_cimg(cimg_std::FILE *const file, const char axis='z', const char align='p') { + return CImg<T>().load_cimg(file,axis,align); + } + + //! Load a sub-image (list) from a .cimg file. + CImg<T>& load_cimg(const char *const filename, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1, + const char axis='z', const char align='p') { + CImgList<T> list; + list.load_cimg(filename,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1); + if (list.size==1) return list[0].transfer_to(*this); + return assign(list.get_append(axis,align)); + } + + static CImg<T> get_load_cimg(const char *const filename, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1, + const char axis='z', const char align='p') { + return CImg<T>().load_cimg(filename,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1,axis,align); + } + + //! Load a sub-image (list) from a non-compressed .cimg file. + CImg<T>& load_cimg(cimg_std::FILE *const file, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1, + const char axis='z', const char align='p') { + CImgList<T> list; + list.load_cimg(file,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1); + if (list.size==1) return list[0].transfer_to(*this); + return assign(list.get_append(axis,align)); + } + + static CImg<T> get_load_cimg(cimg_std::FILE *const file, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1, + const char axis='z', const char align='p') { + return CImg<T>().load_cimg(file,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1,axis,align); + } + + //! Load an image from an INRIMAGE-4 file. + CImg<T>& load_inr(const char *const filename, float *const voxsize=0) { + return _load_inr(0,filename,voxsize); + } + + static CImg<T> get_load_inr(const char *const filename, float *const voxsize=0) { + return CImg<T>().load_inr(filename,voxsize); + } + + //! Load an image from an INRIMAGE-4 file. + CImg<T>& load_inr(cimg_std::FILE *const file, float *const voxsize=0) { + return _load_inr(file,0,voxsize); + } + + static CImg<T> get_load_inr(cimg_std::FILE *const file, float *voxsize=0) { + return CImg<T>().load_inr(file,voxsize); + } + + // Load an image from an INRIMAGE-4 file (internal). + static void _load_inr_header(cimg_std::FILE *file, int out[8], float *const voxsize) { + char item[1024], tmp1[64], tmp2[64]; + out[0] = cimg_std::fscanf(file,"%63s",item); + out[0] = out[1] = out[2] = out[3] = out[5] = 1; out[4] = out[6] = out[7] = -1; + if(cimg::strncasecmp(item,"#INRIMAGE-4#{",13)!=0) + throw CImgIOException("CImg<%s>::load_inr() : File does not appear to be a valid INR file.\n" + "(INRIMAGE-4 identifier not found)", + pixel_type()); + while (cimg_std::fscanf(file," %63[^\n]%*c",item)!=EOF && cimg::strncmp(item,"##}",3)) { + cimg_std::sscanf(item," XDIM%*[^0-9]%d",out); + cimg_std::sscanf(item," YDIM%*[^0-9]%d",out+1); + cimg_std::sscanf(item," ZDIM%*[^0-9]%d",out+2); + cimg_std::sscanf(item," VDIM%*[^0-9]%d",out+3); + cimg_std::sscanf(item," PIXSIZE%*[^0-9]%d",out+6); + if (voxsize) { + cimg_std::sscanf(item," VX%*[^0-9.+-]%f",voxsize); + cimg_std::sscanf(item," VY%*[^0-9.+-]%f",voxsize+1); + cimg_std::sscanf(item," VZ%*[^0-9.+-]%f",voxsize+2); + } + if (cimg_std::sscanf(item," CPU%*[ =]%s",tmp1)) out[7]=cimg::strncasecmp(tmp1,"sun",3)?0:1; + switch (cimg_std::sscanf(item," TYPE%*[ =]%s %s",tmp1,tmp2)) { + case 0 : break; + case 2 : out[5] = cimg::strncasecmp(tmp1,"unsigned",8)?1:0; cimg_std::strcpy(tmp1,tmp2); + case 1 : + if (!cimg::strncasecmp(tmp1,"int",3) || !cimg::strncasecmp(tmp1,"fixed",5)) out[4] = 0; + if (!cimg::strncasecmp(tmp1,"float",5) || !cimg::strncasecmp(tmp1,"double",6)) out[4] = 1; + if (!cimg::strncasecmp(tmp1,"packed",6)) out[4] = 2; + if (out[4]>=0) break; + default : + throw CImgIOException("cimg::inr_header_read() : Invalid TYPE '%s'",tmp2); + } + } + if(out[0]<0 || out[1]<0 || out[2]<0 || out[3]<0) + throw CImgIOException("CImg<%s>::load_inr() : Bad dimensions in .inr file = ( %d , %d , %d , %d )", + pixel_type(),out[0],out[1],out[2],out[3]); + if(out[4]<0 || out[5]<0) + throw CImgIOException("CImg<%s>::load_inr() : TYPE is not fully defined", + pixel_type()); + if(out[6]<0) + throw CImgIOException("CImg<%s>::load_inr() : PIXSIZE is not fully defined", + pixel_type()); + if(out[7]<0) + throw CImgIOException("CImg<%s>::load_inr() : Big/Little Endian coding type is not defined", + pixel_type()); + } + + CImg<T>& _load_inr(cimg_std::FILE *const file, const char *const filename, float *const voxsize) { +#define _cimg_load_inr_case(Tf,sign,pixsize,Ts) \ + if (!loaded && fopt[6]==pixsize && fopt[4]==Tf && fopt[5]==sign) { \ + Ts *xval, *val = new Ts[fopt[0]*fopt[3]]; \ + cimg_forYZ(*this,y,z) { \ + cimg::fread(val,fopt[0]*fopt[3],nfile); \ + if (fopt[7]!=endian) cimg::invert_endianness(val,fopt[0]*fopt[3]); \ + xval = val; cimg_forX(*this,x) cimg_forV(*this,k) (*this)(x,y,z,k) = (T)*(xval++); \ + } \ + delete[] val; \ + loaded = true; \ + } + + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_inr() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + int fopt[8], endian=cimg::endianness()?1:0; + bool loaded = false; + if (voxsize) voxsize[0]=voxsize[1]=voxsize[2]=1; + _load_inr_header(nfile,fopt,voxsize); + assign(fopt[0],fopt[1],fopt[2],fopt[3]); + _cimg_load_inr_case(0,0,8, unsigned char); + _cimg_load_inr_case(0,1,8, char); + _cimg_load_inr_case(0,0,16,unsigned short); + _cimg_load_inr_case(0,1,16,short); + _cimg_load_inr_case(0,0,32,unsigned int); + _cimg_load_inr_case(0,1,32,int); + _cimg_load_inr_case(1,0,32,float); + _cimg_load_inr_case(1,1,32,float); + _cimg_load_inr_case(1,0,64,double); + _cimg_load_inr_case(1,1,64,double); + if (!loaded) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_inr() : File '%s', cannot read images of the type specified in the file", + pixel_type(),filename?filename:"(FILE*)"); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a PANDORE file. + CImg<T>& load_pandore(const char *const filename) { + return _load_pandore(0,filename); + } + + static CImg<T> get_load_pandore(const char *const filename) { + return CImg<T>().load_pandore(filename); + } + + //! Load an image from a PANDORE file. + CImg<T>& load_pandore(cimg_std::FILE *const file) { + return _load_pandore(file,0); + } + + static CImg<T> get_load_pandore(cimg_std::FILE *const file) { + return CImg<T>().load_pandore(file); + } + + CImg<T>& _load_pandore(cimg_std::FILE *const file, const char *const filename) { +#define __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,ndim,stype) \ + cimg::fread(dims,nbdim,nfile); \ + if (endian) cimg::invert_endianness(dims,nbdim); \ + assign(nwidth,nheight,ndepth,ndim); \ + const unsigned int siz = size(); \ + stype *buffer = new stype[siz]; \ + cimg::fread(buffer,siz,nfile); \ + if (endian) cimg::invert_endianness(buffer,siz); \ + T *ptrd = data; \ + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); \ + buffer-=siz; \ + delete[] buffer + +#define _cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype1,stype2,stype3,ltype) { \ + if (sizeof(stype1)==ltype) { __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype1); } \ + else if (sizeof(stype2)==ltype) { __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype2); } \ + else if (sizeof(stype3)==ltype) { __cimg_load_pandore_case(nbdim,nwidth,nheight,ndepth,dim,stype3); } \ + else throw CImgIOException("CImg<%s>::load_pandore() : File '%s' cannot be read, datatype not supported on this architecture.", \ + pixel_type(),filename?filename:"(FILE*)"); } + + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_pandore() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + typedef unsigned char uchar; + typedef unsigned short ushort; + typedef unsigned int uint; + typedef unsigned long ulong; + char header[32]; + cimg::fread(header,12,nfile); + if (cimg::strncasecmp("PANDORE",header,7)) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_pandore() : File '%s' is not a valid PANDORE file, " + "(PANDORE identifier not found).", + pixel_type(),filename?filename:"(FILE*)"); + } + unsigned int imageid, dims[8]; + cimg::fread(&imageid,1,nfile); + const bool endian = (imageid>255); + if (endian) cimg::invert_endianness(imageid); + cimg::fread(header,20,nfile); + + switch (imageid) { + case 2: _cimg_load_pandore_case(2,dims[1],1,1,1,uchar,uchar,uchar,1); break; + case 3: _cimg_load_pandore_case(2,dims[1],1,1,1,long,int,short,4); break; + case 4: _cimg_load_pandore_case(2,dims[1],1,1,1,double,float,float,4); break; + case 5: _cimg_load_pandore_case(3,dims[2],dims[1],1,1,uchar,uchar,uchar,1); break; + case 6: _cimg_load_pandore_case(3,dims[2],dims[1],1,1,long,int,short,4); break; + case 7: _cimg_load_pandore_case(3,dims[2],dims[1],1,1,double,float,float,4); break; + case 8: _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],1,uchar,uchar,uchar,1); break; + case 9: _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],1,long,int,short,4); break; + case 10: _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],1,double,float,float,4); break; + case 11 : { // Region 1D + cimg::fread(dims,3,nfile); + if (endian) cimg::invert_endianness(dims,3); + assign(dims[1],1,1,1); + const unsigned siz = size(); + if (dims[2]<256) { + unsigned char *buffer = new unsigned char[siz]; + cimg::fread(buffer,siz,nfile); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } else { + if (dims[2]<65536) { + unsigned short *buffer = new unsigned short[siz]; + cimg::fread(buffer,siz,nfile); + if (endian) cimg::invert_endianness(buffer,siz); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } else { + unsigned int *buffer = new unsigned int[siz]; + cimg::fread(buffer,siz,nfile); + if (endian) cimg::invert_endianness(buffer,siz); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } + } + } + break; + case 12 : { // Region 2D + cimg::fread(dims,4,nfile); + if (endian) cimg::invert_endianness(dims,4); + assign(dims[2],dims[1],1,1); + const unsigned int siz = size(); + if (dims[3]<256) { + unsigned char *buffer = new unsigned char[siz]; + cimg::fread(buffer,siz,nfile); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } else { + if (dims[3]<65536) { + unsigned short *buffer = new unsigned short[siz]; + cimg::fread(buffer,siz,nfile); + if (endian) cimg::invert_endianness(buffer,siz); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } else { + unsigned long *buffer = new unsigned long[siz]; + cimg::fread(buffer,siz,nfile); + if (endian) cimg::invert_endianness(buffer,siz); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } + } + } + break; + case 13 : { // Region 3D + cimg::fread(dims,5,nfile); + if (endian) cimg::invert_endianness(dims,5); + assign(dims[3],dims[2],dims[1],1); + const unsigned int siz = size(); + if (dims[4]<256) { + unsigned char *buffer = new unsigned char[siz]; + cimg::fread(buffer,siz,nfile); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } else { + if (dims[4]<65536) { + unsigned short *buffer = new unsigned short[siz]; + cimg::fread(buffer,siz,nfile); + if (endian) cimg::invert_endianness(buffer,siz); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } else { + unsigned int *buffer = new unsigned int[siz]; + cimg::fread(buffer,siz,nfile); + if (endian) cimg::invert_endianness(buffer,siz); + T *ptrd = data; + cimg_foroff(*this,off) *(ptrd++) = (T)*(buffer++); + buffer-=siz; + delete[] buffer; + } + } + } + break; + case 16: _cimg_load_pandore_case(4,dims[2],dims[1],1,3,uchar,uchar,uchar,1); break; + case 17: _cimg_load_pandore_case(4,dims[2],dims[1],1,3,long,int,short,4); break; + case 18: _cimg_load_pandore_case(4,dims[2],dims[1],1,3,double,float,float,4); break; + case 19: _cimg_load_pandore_case(5,dims[3],dims[2],dims[1],3,uchar,uchar,uchar,1); break; + case 20: _cimg_load_pandore_case(5,dims[3],dims[2],dims[1],3,long,int,short,4); break; + case 21: _cimg_load_pandore_case(5,dims[3],dims[2],dims[1],3,double,float,float,4); break; + case 22: _cimg_load_pandore_case(2,dims[1],1,1,dims[0],uchar,uchar,uchar,1); break; + case 23: _cimg_load_pandore_case(2,dims[1],1,1,dims[0],long,int,short,4); + case 24: _cimg_load_pandore_case(2,dims[1],1,1,dims[0],ulong,uint,ushort,4); break; + case 25: _cimg_load_pandore_case(2,dims[1],1,1,dims[0],double,float,float,4); break; + case 26: _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],uchar,uchar,uchar,1); break; + case 27: _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],long,int,short,4); break; + case 28: _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],ulong,uint,ushort,4); break; + case 29: _cimg_load_pandore_case(3,dims[2],dims[1],1,dims[0],double,float,float,4); break; + case 30: _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],uchar,uchar,uchar,1); break; + case 31: _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],long,int,short,4); break; + case 32: _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],ulong,uint,ushort,4); break; + case 33: _cimg_load_pandore_case(4,dims[3],dims[2],dims[1],dims[0],double,float,float,4); break; + case 34 : { // Points 1D + int ptbuf[4]; + cimg::fread(ptbuf,1,nfile); + if (endian) cimg::invert_endianness(ptbuf,1); + assign(1); (*this)(0) = (T)ptbuf[0]; + } break; + case 35 : { // Points 2D + int ptbuf[4]; + cimg::fread(ptbuf,2,nfile); + if (endian) cimg::invert_endianness(ptbuf,2); + assign(2); (*this)(0) = (T)ptbuf[1]; (*this)(1) = (T)ptbuf[0]; + } break; + case 36 : { // Points 3D + int ptbuf[4]; + cimg::fread(ptbuf,3,nfile); + if (endian) cimg::invert_endianness(ptbuf,3); + assign(3); (*this)(0) = (T)ptbuf[2]; (*this)(1) = (T)ptbuf[1]; (*this)(2) = (T)ptbuf[0]; + } break; + default : + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_pandore() : File '%s', cannot read images with ID_type = %u", + pixel_type(),filename?filename:"(FILE*)",imageid); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a PAR-REC (Philips) file. + CImg<T>& load_parrec(const char *const filename, const char axis='v', const char align='p') { + CImgList<T> list; + list.load_parrec(filename); + if (list.size==1) return list[0].transfer_to(*this); + return assign(list.get_append(axis,align)); + } + + static CImg<T> get_load_parrec(const char *const filename, const char axis='v', const char align='p') { + return CImg<T>().load_parrec(filename,axis,align); + } + + //! Load an image from a .RAW file. + CImg<T>& load_raw(const char *const filename, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int sizez=1, const unsigned int sizev=1, + const bool multiplexed=false, const bool invert_endianness=false) { + return _load_raw(0,filename,sizex,sizey,sizez,sizev,multiplexed,invert_endianness); + } + + static CImg<T> get_load_raw(const char *const filename, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int sizez=1, const unsigned int sizev=1, + const bool multiplexed=false, const bool invert_endianness=false) { + return CImg<T>().load_raw(filename,sizex,sizey,sizez,sizev,multiplexed,invert_endianness); + } + + //! Load an image from a .RAW file. + CImg<T>& load_raw(cimg_std::FILE *const file, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int sizez=1, const unsigned int sizev=1, + const bool multiplexed=false, const bool invert_endianness=false) { + return _load_raw(file,0,sizex,sizey,sizez,sizev,multiplexed,invert_endianness); + } + + static CImg<T> get_load_raw(cimg_std::FILE *const file, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int sizez=1, const unsigned int sizev=1, + const bool multiplexed=false, const bool invert_endianness=false) { + return CImg<T>().load_raw(file,sizex,sizey,sizez,sizev,multiplexed,invert_endianness); + } + + CImg<T>& _load_raw(cimg_std::FILE *const file, const char *const filename, + const unsigned int sizex, const unsigned int sizey, + const unsigned int sizez, const unsigned int sizev, + const bool multiplexed, const bool invert_endianness) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_raw() : Cannot load (null) filename.", + pixel_type()); + assign(sizex,sizey,sizez,sizev,0); + const unsigned int siz = size(); + if (siz) { + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + if (!multiplexed) { + cimg::fread(data,siz,nfile); + if (invert_endianness) cimg::invert_endianness(data,siz); + } + else { + CImg<T> buf(1,1,1,sizev); + cimg_forXYZ(*this,x,y,z) { + cimg::fread(buf.data,sizev,nfile); + if (invert_endianness) cimg::invert_endianness(buf.data,sizev); + set_vector_at(buf,x,y,z); } + } + if (!file) cimg::fclose(nfile); + } + return *this; + } + + //! Load a video sequence using FFMPEG av's libraries. + CImg<T>& load_ffmpeg(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool pixel_format=true, const bool resume=false, + const char axis='z', const char align='p') { + return get_load_ffmpeg(filename,first_frame,last_frame,step_frame,pixel_format,resume,axis,align).transfer_to(*this); + } + + static CImg<T> get_load_ffmpeg(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool pixel_format=true, const bool resume=false, + const char axis='z', const char align='p') { + return CImgList<T>().load_ffmpeg(filename,first_frame,last_frame,step_frame,pixel_format,resume).get_append(axis,align); + } + + //! Load an image sequence from a YUV file. + CImg<T>& load_yuv(const char *const filename, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z', const char align='p') { + return get_load_yuv(filename,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb,axis,align).transfer_to(*this); + } + + static CImg<T> get_load_yuv(const char *const filename, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z', const char align='p') { + return CImgList<T>().load_yuv(filename,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb).get_append(axis,align); + } + + //! Load an image sequence from a YUV file. + CImg<T>& load_yuv(cimg_std::FILE *const file, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z', const char align='p') { + return get_load_yuv(file,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb,axis,align).transfer_to(*this); + } + + static CImg<T> get_load_yuv(cimg_std::FILE *const file, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true, const char axis='z', const char align='p') { + return CImgList<T>().load_yuv(file,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb).get_append(axis,align); + } + + //! Load a 3D object from a .OFF file. + template<typename tf, typename tc> + CImg<T>& load_off(const char *const filename, CImgList<tf>& primitives, CImgList<tc>& colors, const bool invert_faces=false) { + return _load_off(0,filename,primitives,colors,invert_faces); + } + + template<typename tf, typename tc> + static CImg<T> get_load_off(const char *const filename, CImgList<tf>& primitives, CImgList<tc>& colors, + const bool invert_faces=false) { + return CImg<T>().load_off(filename,primitives,colors,invert_faces); + } + + //! Load a 3D object from a .OFF file. + template<typename tf, typename tc> + CImg<T>& load_off(cimg_std::FILE *const file, CImgList<tf>& primitives, CImgList<tc>& colors, const bool invert_faces=false) { + return _load_off(file,0,primitives,colors,invert_faces); + } + + template<typename tf, typename tc> + static CImg<T> get_load_off(cimg_std::FILE *const file, CImgList<tf>& primitives, CImgList<tc>& colors, + const bool invert_faces=false) { + return CImg<T>().load_off(file,primitives,colors,invert_faces); + } + + template<typename tf, typename tc> + CImg<T>& _load_off(cimg_std::FILE *const file, const char *const filename, + CImgList<tf>& primitives, CImgList<tc>& colors, const bool invert_faces) { + if (!filename && !file) + throw CImgArgumentException("CImg<%s>::load_off() : Cannot load (null) filename.", + pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"r"); + unsigned int nb_points = 0, nb_primitives = 0, nb_read = 0; + char line[256] = { 0 }; + int err; + + // Skip comments, and read magic string OFF + do { err = cimg_std::fscanf(nfile,"%255[^\n] ",line); } while (!err || (err==1 && line[0]=='#')); + if (cimg::strncasecmp(line,"OFF",3) && cimg::strncasecmp(line,"COFF",4)) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_off() : File '%s', keyword 'OFF' not found.", + pixel_type(),filename?filename:"(FILE*)"); + } + do { err = cimg_std::fscanf(nfile,"%255[^\n] ",line); } while (!err || (err==1 && line[0]=='#')); + if ((err = cimg_std::sscanf(line,"%u%u%*[^\n] ",&nb_points,&nb_primitives))!=2) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_off() : File '%s', invalid vertices/primitives numbers.", + pixel_type(),filename?filename:"(FILE*)"); + } + + // Read points data + assign(nb_points,3); + float X = 0, Y = 0, Z = 0; + cimg_forX(*this,l) { + do { err = cimg_std::fscanf(nfile,"%255[^\n] ",line); } while (!err || (err==1 && line[0]=='#')); + if ((err = cimg_std::sscanf(line,"%f%f%f%*[^\n] ",&X,&Y,&Z))!=3) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::load_off() : File '%s', cannot read point %u/%u.\n", + pixel_type(),filename?filename:"(FILE*)",l+1,nb_points); + } + (*this)(l,0) = (T)X; (*this)(l,1) = (T)Y; (*this)(l,2) = (T)Z; + } + + // Read primitive data + primitives.assign(); + colors.assign(); + bool stopflag = false; + while (!stopflag) { + float c0 = 0.7f, c1 = 0.7f, c2 = 0.7f; + unsigned int prim = 0, i0 = 0, i1 = 0, i2 = 0, i3 = 0, i4 = 0, i5 = 0, i6 = 0, i7 = 0; + line[0]='\0'; + if ((err = cimg_std::fscanf(nfile,"%u",&prim))!=1) stopflag=true; + else { + ++nb_read; + switch (prim) { + case 1 : { + if ((err = cimg_std::fscanf(nfile,"%u%255[^\n] ",&i0,line))<2) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + primitives.insert(CImg<tf>::vector(i0)); + colors.insert(CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255))); + } + } break; + case 2 : { + if ((err = cimg_std::fscanf(nfile,"%u%u%255[^\n] ",&i0,&i1,line))<2) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + primitives.insert(CImg<tf>::vector(i0,i1)); + colors.insert(CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255))); + } + } break; + case 3 : { + if ((err = cimg_std::fscanf(nfile,"%u%u%u%255[^\n] ",&i0,&i1,&i2,line))<3) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + if (invert_faces) primitives.insert(CImg<tf>::vector(i0,i1,i2)); + else primitives.insert(CImg<tf>::vector(i0,i2,i1)); + colors.insert(CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255))); + } + } break; + case 4 : { + if ((err = cimg_std::fscanf(nfile,"%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,line))<4) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + if (invert_faces) primitives.insert(CImg<tf>::vector(i0,i1,i2,i3)); + else primitives.insert(CImg<tf>::vector(i0,i3,i2,i1)); + colors.insert(CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255),(tc)(c2*255))); + } + } break; + case 5 : { + if ((err = cimg_std::fscanf(nfile,"%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,line))<5) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + if (invert_faces) { + primitives.insert(CImg<tf>::vector(i0,i1,i2,i3)); + primitives.insert(CImg<tf>::vector(i0,i3,i4)); + } + else { + primitives.insert(CImg<tf>::vector(i0,i3,i2,i1)); + primitives.insert(CImg<tf>::vector(i0,i4,i3)); + } + colors.insert(2,CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255),(tc)(c2*255))); + ++nb_primitives; + } + } break; + case 6 : { + if ((err = cimg_std::fscanf(nfile,"%u%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,&i5,line))<6) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + if (invert_faces) { + primitives.insert(CImg<tf>::vector(i0,i1,i2,i3)); + primitives.insert(CImg<tf>::vector(i0,i3,i4,i5)); + } + else { + primitives.insert(CImg<tf>::vector(i0,i3,i2,i1)); + primitives.insert(CImg<tf>::vector(i0,i5,i4,i3)); + } + colors.insert(2,CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255),(tc)(c2*255))); + ++nb_primitives; + } + } break; + case 7 : { + if ((err = cimg_std::fscanf(nfile,"%u%u%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,&i5,&i6,line))<7) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + if (invert_faces) { + primitives.insert(CImg<tf>::vector(i0,i1,i3,i4)); + primitives.insert(CImg<tf>::vector(i0,i4,i5,i6)); + primitives.insert(CImg<tf>::vector(i1,i2,i3)); + } + else { + primitives.insert(CImg<tf>::vector(i0,i4,i3,i1)); + primitives.insert(CImg<tf>::vector(i0,i6,i5,i4)); + primitives.insert(CImg<tf>::vector(i3,i2,i1)); + } + colors.insert(2,CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255),(tc)(c2*255))); + ++(++nb_primitives); + } + } break; + case 8 : { + if ((err = cimg_std::fscanf(nfile,"%u%u%u%u%u%u%u%u%255[^\n] ",&i0,&i1,&i2,&i3,&i4,&i5,&i6,&i7,line))<7) { + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u.", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } else { + err = cimg_std::sscanf(line,"%f%f%f",&c0,&c1,&c2); + if (invert_faces) { + primitives.insert(CImg<tf>::vector(i0,i1,i2,i3)); + primitives.insert(CImg<tf>::vector(i0,i3,i4,i5)); + primitives.insert(CImg<tf>::vector(i0,i5,i6,i7)); + } + else { + primitives.insert(CImg<tf>::vector(i0,i3,i2,i1)); + primitives.insert(CImg<tf>::vector(i0,i5,i4,i3)); + primitives.insert(CImg<tf>::vector(i0,i7,i6,i5)); + } + colors.insert(2,CImg<tc>::vector((tc)(c0*255),(tc)(c1*255),(tc)(c2*255),(tc)(c2*255))); + ++(++nb_primitives); + } + } break; + default : + cimg::warn("CImg<%s>::load_off() : File '%s', invalid primitive %u/%u (%u vertices).", + pixel_type(),filename?filename:"(FILE*)",nb_read,nb_primitives,prim); + err = cimg_std::fscanf(nfile,"%*[^\n] "); + } + } + } + if (!file) cimg::fclose(nfile); + if (primitives.size!=nb_primitives) + cimg::warn("CImg<%s>::load_off() : File '%s', read only %u primitives instead of %u as claimed in the header.", + pixel_type(),filename?filename:"(FILE*)",primitives.size,nb_primitives); + return *this; + } + + //! Load a video sequence using FFMPEG's external tool 'ffmpeg'. + CImg<T>& load_ffmpeg_external(const char *const filename, const char axis='z', const char align='p') { + return get_load_ffmpeg_external(filename,axis,align).transfer_to(*this); + } + + static CImg<T> get_load_ffmpeg_external(const char *const filename, const char axis='z', const char align='p') { + return CImgList<T>().load_ffmpeg_external(filename).get_append(axis,align); + } + + //! Load an image using GraphicsMagick's external tool 'gm'. + CImg<T>& load_graphicsmagick_external(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load_graphicsmagick_external() : Cannot load (null) filename.", + pixel_type()); + char command[1024], filetmp[512]; + cimg_std::FILE *file = 0; +#if cimg_OS==1 + cimg_std::sprintf(command,"%s convert \"%s\" ppm:-",cimg::graphicsmagick_path(),filename); + file = popen(command,"r"); + if (file) { load_pnm(file); pclose(file); return *this; } +#endif + do { + cimg_std::sprintf(filetmp,"%s%s%s.ppm",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand()); + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + cimg_std::sprintf(command,"%s convert \"%s\" %s",cimg::graphicsmagick_path(),filename,filetmp); + cimg::system(command,cimg::graphicsmagick_path()); + if (!(file = cimg_std::fopen(filetmp,"rb"))) { + cimg::fclose(cimg::fopen(filename,"r")); + throw CImgIOException("CImg<%s>::load_graphicsmagick_external() : Failed to open image '%s'.\n\n" + "Path of 'GraphicsMagick's gm' : \"%s\"\n" + "Path of temporary filename : \"%s\"", + pixel_type(),filename,cimg::graphicsmagick_path(),filetmp); + } else cimg::fclose(file); + load_pnm(filetmp); + cimg_std::remove(filetmp); + return *this; + } + + static CImg<T> get_load_graphicsmagick_external(const char *const filename) { + return CImg<T>().load_graphicsmagick_external(filename); + } + + //! Load a gzipped image file, using external tool 'gunzip'. + CImg<T>& load_gzip_external(const char *const filename) { + if (!filename) + throw CImgIOException("CImg<%s>::load_gzip_external() : Cannot load (null) filename.", + pixel_type()); + char command[1024], filetmp[512], body[512]; + const char + *ext = cimg::split_filename(filename,body), + *ext2 = cimg::split_filename(body,0); + cimg_std::FILE *file = 0; + do { + if (!cimg::strcasecmp(ext,"gz")) { + if (*ext2) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext2); + else cimg_std::sprintf(filetmp,"%s%s%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } else { + if (*ext) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext); + else cimg_std::sprintf(filetmp,"%s%s%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + cimg_std::sprintf(command,"%s -c \"%s\" > %s",cimg::gunzip_path(),filename,filetmp); + cimg::system(command); + if (!(file = cimg_std::fopen(filetmp,"rb"))) { + cimg::fclose(cimg::fopen(filename,"r")); + throw CImgIOException("CImg<%s>::load_gzip_external() : File '%s' cannot be opened.", + pixel_type(),filename); + } else cimg::fclose(file); + load(filetmp); + cimg_std::remove(filetmp); + return *this; + } + + static CImg<T> get_load_gzip_external(const char *const filename) { + return CImg<T>().load_gzip_external(filename); + } + + //! Load an image using ImageMagick's external tool 'convert'. + CImg<T>& load_imagemagick_external(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load_imagemagick_external() : Cannot load (null) filename.", + pixel_type()); + char command[1024], filetmp[512]; + cimg_std::FILE *file = 0; +#if cimg_OS==1 + cimg_std::sprintf(command,"%s \"%s\" ppm:-",cimg::imagemagick_path(),filename); + file = popen(command,"r"); + if (file) { load_pnm(file); pclose(file); return *this; } +#endif + do { + cimg_std::sprintf(filetmp,"%s%s%s.ppm",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand()); + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + cimg_std::sprintf(command,"%s \"%s\" %s",cimg::imagemagick_path(),filename,filetmp); + cimg::system(command,cimg::imagemagick_path()); + if (!(file = cimg_std::fopen(filetmp,"rb"))) { + cimg::fclose(cimg::fopen(filename,"r")); + throw CImgIOException("CImg<%s>::load_imagemagick_external() : Failed to open image '%s'.\n\n" + "Path of 'ImageMagick's convert' : \"%s\"\n" + "Path of temporary filename : \"%s\"", + pixel_type(),filename,cimg::imagemagick_path(),filetmp); + } else cimg::fclose(file); + load_pnm(filetmp); + cimg_std::remove(filetmp); + return *this; + } + + static CImg<T> get_load_imagemagick_external(const char *const filename) { + return CImg<T>().load_imagemagick_external(filename); + } + + //! Load a DICOM image file, using XMedcon's external tool 'medcon'. + CImg<T>& load_medcon_external(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load_medcon_external() : Cannot load (null) filename.", + pixel_type()); + char command[1024], filetmp[512], body[512]; + cimg::fclose(cimg::fopen(filename,"r")); + cimg_std::FILE *file = 0; + do { + cimg_std::sprintf(filetmp,"%s.hdr",cimg::filenamerand()); + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + cimg_std::sprintf(command,"%s -w -c anlz -o %s -f %s",cimg::medcon_path(),filetmp,filename); + cimg::system(command); + cimg::split_filename(filetmp,body); + cimg_std::sprintf(command,"m000-%s.hdr",body); + file = cimg_std::fopen(command,"rb"); + if (!file) { + throw CImgIOException("CImg<%s>::load_medcon_external() : Failed to open image '%s'.\n\n" + "Path of 'medcon' : \"%s\"\n" + "Path of temporary filename : \"%s\"", + pixel_type(),filename,cimg::medcon_path(),filetmp); + } else cimg::fclose(file); + load_analyze(command); + cimg_std::remove(command); + cimg_std::sprintf(command,"m000-%s.img",body); + cimg_std::remove(command); + return *this; + } + + static CImg<T> get_load_medcon_external(const char *const filename) { + return CImg<T>().load_medcon_external(filename); + } + + //! Load a RAW Color Camera image file, using external tool 'dcraw'. + CImg<T>& load_dcraw_external(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load_dcraw_external() : Cannot load (null) filename.", + pixel_type()); + char command[1024], filetmp[512]; + cimg_std::FILE *file = 0; +#if cimg_OS==1 + cimg_std::sprintf(command,"%s -4 -c \"%s\"",cimg::dcraw_path(),filename); + file = popen(command,"r"); + if (file) { load_pnm(file); pclose(file); return *this; } +#endif + do { + cimg_std::sprintf(filetmp,"%s%s%s.ppm",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand()); + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + cimg_std::sprintf(command,"%s -4 -c \"%s\" > %s",cimg::dcraw_path(),filename,filetmp); + cimg::system(command,cimg::dcraw_path()); + if (!(file = cimg_std::fopen(filetmp,"rb"))) { + cimg::fclose(cimg::fopen(filename,"r")); + throw CImgIOException("CImg<%s>::load_dcraw_external() : Failed to open image '%s'.\n\n" + "Path of 'dcraw' : \"%s\"\n" + "Path of temporary filename : \"%s\"", + pixel_type(),filename,cimg::dcraw_path(),filetmp); + } else cimg::fclose(file); + load_pnm(filetmp); + cimg_std::remove(filetmp); + return *this; + } + + static CImg<T> get_load_dcraw_external(const char *const filename) { + return CImg<T>().load_dcraw_external(filename); + } + + //! Load an image using ImageMagick's or GraphicsMagick's executables. + CImg<T>& load_other(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImg<%s>::load_other() : Cannot load (null) filename.", + pixel_type()); + const unsigned int odebug = cimg::exception_mode(); + cimg::exception_mode() = 0; + try { load_magick(filename); } + catch (CImgException&) { + try { load_imagemagick_external(filename); } + catch (CImgException&) { + try { load_graphicsmagick_external(filename); } + catch (CImgException&) { + assign(); + } + } + } + cimg::exception_mode() = odebug; + if (is_empty()) + throw CImgIOException("CImg<%s>::load_other() : File '%s' cannot be opened.", + pixel_type(),filename); + return *this; + } + + static CImg<T> get_load_other(const char *const filename) { + return CImg<T>().load_other(filename); + } + + //@} + //--------------------------- + // + //! \name Image File Saving + //@{ + //--------------------------- + + //! Save the image as a file. + /** + The used file format is defined by the file extension in the filename \p filename. + Parameter \p number can be used to add a 6-digit number to the filename before saving. + **/ + const CImg<T>& save(const char *const filename, const int number=-1) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save() : Instance image (%u,%u,%u,%u,%p) cannot be saved as a (null) filename.", + pixel_type(),width,height,depth,dim,data); + const char *ext = cimg::split_filename(filename); + char nfilename[1024]; + const char *const fn = (number>=0)?cimg::number_filename(filename,number,6,nfilename):filename; +#ifdef cimg_save_plugin + cimg_save_plugin(fn); +#endif +#ifdef cimg_save_plugin1 + cimg_save_plugin1(fn); +#endif +#ifdef cimg_save_plugin2 + cimg_save_plugin2(fn); +#endif +#ifdef cimg_save_plugin3 + cimg_save_plugin3(fn); +#endif +#ifdef cimg_save_plugin4 + cimg_save_plugin4(fn); +#endif +#ifdef cimg_save_plugin5 + cimg_save_plugin5(fn); +#endif +#ifdef cimg_save_plugin6 + cimg_save_plugin6(fn); +#endif +#ifdef cimg_save_plugin7 + cimg_save_plugin7(fn); +#endif +#ifdef cimg_save_plugin8 + cimg_save_plugin8(fn); +#endif + // ASCII formats + if (!cimg::strcasecmp(ext,"asc")) return save_ascii(fn); + if (!cimg::strcasecmp(ext,"dlm") || + !cimg::strcasecmp(ext,"txt")) return save_dlm(fn); + if (!cimg::strcasecmp(ext,"cpp") || + !cimg::strcasecmp(ext,"hpp") || + !cimg::strcasecmp(ext,"h") || + !cimg::strcasecmp(ext,"c")) return save_cpp(fn); + + // 2D binary formats + if (!cimg::strcasecmp(ext,"bmp")) return save_bmp(fn); + if (!cimg::strcasecmp(ext,"jpg") || + !cimg::strcasecmp(ext,"jpeg") || + !cimg::strcasecmp(ext,"jpe") || + !cimg::strcasecmp(ext,"jfif") || + !cimg::strcasecmp(ext,"jif")) return save_jpeg(fn); + if (!cimg::strcasecmp(ext,"rgb")) return save_rgb(fn); + if (!cimg::strcasecmp(ext,"rgba")) return save_rgba(fn); + if (!cimg::strcasecmp(ext,"png")) return save_png(fn); + if (!cimg::strcasecmp(ext,"pgm") || + !cimg::strcasecmp(ext,"ppm") || + !cimg::strcasecmp(ext,"pnm")) return save_pnm(fn); + if (!cimg::strcasecmp(ext,"tif") || + !cimg::strcasecmp(ext,"tiff")) return save_tiff(fn); + + // 3D binary formats + if (!cimg::strcasecmp(ext,"cimgz")) return save_cimg(fn,true); + if (!cimg::strcasecmp(ext,"cimg") || ext[0]=='\0') return save_cimg(fn,false); + if (!cimg::strcasecmp(ext,"dcm")) return save_medcon_external(fn); + if (!cimg::strcasecmp(ext,"hdr") || + !cimg::strcasecmp(ext,"nii")) return save_analyze(fn); + if (!cimg::strcasecmp(ext,"inr")) return save_inr(fn); + if (!cimg::strcasecmp(ext,"pan")) return save_pandore(fn); + if (!cimg::strcasecmp(ext,"raw")) return save_raw(fn); + + // Archive files + if (!cimg::strcasecmp(ext,"gz")) return save_gzip_external(fn); + + // Image sequences + if (!cimg::strcasecmp(ext,"yuv")) return save_yuv(fn,true); + if (!cimg::strcasecmp(ext,"avi") || + !cimg::strcasecmp(ext,"mov") || + !cimg::strcasecmp(ext,"asf") || + !cimg::strcasecmp(ext,"divx") || + !cimg::strcasecmp(ext,"flv") || + !cimg::strcasecmp(ext,"mpg") || + !cimg::strcasecmp(ext,"m1v") || + !cimg::strcasecmp(ext,"m2v") || + !cimg::strcasecmp(ext,"m4v") || + !cimg::strcasecmp(ext,"mjp") || + !cimg::strcasecmp(ext,"mkv") || + !cimg::strcasecmp(ext,"mpe") || + !cimg::strcasecmp(ext,"movie") || + !cimg::strcasecmp(ext,"ogm") || + !cimg::strcasecmp(ext,"qt") || + !cimg::strcasecmp(ext,"rm") || + !cimg::strcasecmp(ext,"vob") || + !cimg::strcasecmp(ext,"wmv") || + !cimg::strcasecmp(ext,"xvid") || + !cimg::strcasecmp(ext,"mpeg")) return save_ffmpeg(fn); + return save_other(fn); + } + + // Save the image as an ASCII file (ASCII Raw + simple header) (internal). + const CImg<T>& _save_ascii(cimg_std::FILE *const file, const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_ascii() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_ascii() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); + cimg_std::fprintf(nfile,"%u %u %u %u\n",width,height,depth,dim); + const T* ptrs = data; + cimg_forYZV(*this,y,z,v) { + cimg_forX(*this,x) cimg_std::fprintf(nfile,"%g ",(double)*(ptrs++)); + cimg_std::fputc('\n',nfile); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as an ASCII file (ASCII Raw + simple header). + const CImg<T>& save_ascii(const char *const filename) const { + return _save_ascii(0,filename); + } + + //! Save the image as an ASCII file (ASCII Raw + simple header). + const CImg<T>& save_ascii(cimg_std::FILE *const file) const { + return _save_ascii(file,0); + } + + // Save the image as a C or CPP source file (internal). + const CImg<T>& _save_cpp(cimg_std::FILE *const file, const char *const filename) const { + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_cpp() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_cpp() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); + char varname[1024] = { 0 }; + if (filename) cimg_std::sscanf(cimg::basename(filename),"%1023[a-zA-Z0-9_]",varname); + if (varname[0]=='\0') cimg_std::sprintf(varname,"unnamed"); + cimg_std::fprintf(nfile, + "/* Define image '%s' of size %ux%ux%ux%u and type '%s' */\n" + "%s data_%s[] = { \n ", + varname,width,height,depth,dim,pixel_type(),pixel_type(),varname); + for (unsigned long off = 0, siz = size()-1; off<=siz; ++off) { + cimg_std::fprintf(nfile,cimg::type<T>::format(),cimg::type<T>::format((*this)[off])); + if (off==siz) cimg_std::fprintf(nfile," };\n"); + else if (!((off+1)%16)) cimg_std::fprintf(nfile,",\n "); + else cimg_std::fprintf(nfile,", "); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as a CPP source file. + const CImg<T>& save_cpp(const char *const filename) const { + return _save_cpp(0,filename); + } + + //! Save the image as a CPP source file. + const CImg<T>& save_cpp(cimg_std::FILE *const file) const { + return _save_cpp(file,0); + } + + // Save the image as a DLM file (internal). + const CImg<T>& _save_dlm(cimg_std::FILE *const file, const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_dlm() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_dlm() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + if (depth>1) + cimg::warn("CImg<%s>::save_dlm() : File '%s', instance image (%u,%u,%u,%u,%p) is volumetric. Pixel values along Z will be unrolled.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (dim>1) + cimg::warn("CImg<%s>::save_dlm() : File '%s', instance image (%u,%u,%u,%u,%p) is multispectral. " + "Pixel values along V will be unrolled.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); + const T* ptrs = data; + cimg_forYZV(*this,y,z,v) { + cimg_forX(*this,x) cimg_std::fprintf(nfile,"%g%s",(double)*(ptrs++),(x==dimx()-1)?"":","); + cimg_std::fputc('\n',nfile); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as a DLM file. + const CImg<T>& save_dlm(const char *const filename) const { + return _save_dlm(0,filename); + } + + //! Save the image as a DLM file. + const CImg<T>& save_dlm(cimg_std::FILE *const file) const { + return _save_dlm(file,0); + } + + // Save the image as a BMP file (internal). + const CImg<T>& _save_bmp(cimg_std::FILE *const file, const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_bmp() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_bmp() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + if (depth>1) + cimg::warn("CImg<%s>::save_bmp() : File '%s', instance image (%u,%u,%u,%u,%p) is volumetric. Only the first slice will be saved.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (dim>3) + cimg::warn("CImg<%s>::save_bmp() : File '%s', instance image (%u,%u,%u,%u,%p) is multispectral. Only the three first channels will be saved.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + unsigned char header[54] = { 0 }, align_buf[4] = { 0 }; + const unsigned int + align = (4 - (3*width)%4)%4, + buf_size = (3*width+align)*dimy(), + file_size = 54 + buf_size; + header[0] = 'B'; header[1] = 'M'; + header[0x02] = file_size&0xFF; + header[0x03] = (file_size>>8)&0xFF; + header[0x04] = (file_size>>16)&0xFF; + header[0x05] = (file_size>>24)&0xFF; + header[0x0A] = 0x36; + header[0x0E] = 0x28; + header[0x12] = width&0xFF; + header[0x13] = (width>>8)&0xFF; + header[0x14] = (width>>16)&0xFF; + header[0x15] = (width>>24)&0xFF; + header[0x16] = height&0xFF; + header[0x17] = (height>>8)&0xFF; + header[0x18] = (height>>16)&0xFF; + header[0x19] = (height>>24)&0xFF; + header[0x1A] = 1; + header[0x1B] = 0; + header[0x1C] = 24; + header[0x1D] = 0; + header[0x22] = buf_size&0xFF; + header[0x23] = (buf_size>>8)&0xFF; + header[0x24] = (buf_size>>16)&0xFF; + header[0x25] = (buf_size>>24)&0xFF; + header[0x27] = 0x1; + header[0x2B] = 0x1; + cimg::fwrite(header,54,nfile); + + const T + *pR = ptr(0,height-1,0,0), + *pG = (dim>=2)?ptr(0,height-1,0,1):0, + *pB = (dim>=3)?ptr(0,height-1,0,2):0; + + switch (dim) { + case 1 : { + cimg_forY(*this,y) { cimg_forX(*this,x) { + const unsigned char val = (unsigned char)*(pR++); + cimg_std::fputc(val,nfile); cimg_std::fputc(val,nfile); cimg_std::fputc(val,nfile); + } + cimg::fwrite(align_buf,align,nfile); + pR-=2*width; + }} break; + case 2 : { + cimg_forY(*this,y) { cimg_forX(*this,x) { + cimg_std::fputc(0,nfile); + cimg_std::fputc((unsigned char)(*(pG++)),nfile); + cimg_std::fputc((unsigned char)(*(pR++)),nfile); + } + cimg::fwrite(align_buf,align,nfile); + pR-=2*width; pG-=2*width; + }} break; + default : { + cimg_forY(*this,y) { cimg_forX(*this,x) { + cimg_std::fputc((unsigned char)(*(pB++)),nfile); + cimg_std::fputc((unsigned char)(*(pG++)),nfile); + cimg_std::fputc((unsigned char)(*(pR++)),nfile); + } + cimg::fwrite(align_buf,align,nfile); + pR-=2*width; pG-=2*width; pB-=2*width; + } + } + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as a BMP file. + const CImg<T>& save_bmp(const char *const filename) const { + return _save_bmp(0,filename); + } + + //! Save the image as a BMP file. + const CImg<T>& save_bmp(cimg_std::FILE *const file) const { + return _save_bmp(file,0); + } + + // Save a file in JPEG format (internal). + const CImg<T>& _save_jpeg(cimg_std::FILE *const file, const char *const filename, const unsigned int quality) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_jpeg() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_jpeg() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + if (depth>1) + cimg::warn("CImg<%s>::save_jpeg() : File '%s, instance image (%u,%u,%u,%u,%p) is volumetric. Only the first slice will be saved.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); +#ifndef cimg_use_jpeg + if (!file) return save_other(filename,quality); + else throw CImgIOException("CImg<%s>::save_jpeg() : Cannot save a JPEG image in a *FILE output. Use libjpeg instead.", + pixel_type()); +#else + // Fill pixel buffer + unsigned char *buf; + unsigned int dimbuf = 0; + J_COLOR_SPACE colortype = JCS_RGB; + switch (dim) { + case 1 : { // Greyscale images + unsigned char *buf2 = buf = new unsigned char[width*height*(dimbuf=1)]; + colortype = JCS_GRAYSCALE; + const T *ptr_g = data; + cimg_forXY(*this,x,y) *(buf2++) = (unsigned char)*(ptr_g++); + } break; + case 2 : { // RG images + unsigned char *buf2 = buf = new unsigned char[width*height*(dimbuf=3)]; + const T *ptr_r = ptr(0,0,0,0), *ptr_g = ptr(0,0,0,1); + colortype = JCS_RGB; + cimg_forXY(*this,x,y) { + *(buf2++) = (unsigned char)*(ptr_r++); + *(buf2++) = (unsigned char)*(ptr_g++); + *(buf2++) = 0; + } + } break; + case 3 : { // RGB images + unsigned char *buf2 = buf = new unsigned char[width*height*(dimbuf=3)]; + const T *ptr_r = ptr(0,0,0,0), *ptr_g = ptr(0,0,0,1), *ptr_b = ptr(0,0,0,2); + colortype = JCS_RGB; + cimg_forXY(*this,x,y) { + *(buf2++) = (unsigned char)*(ptr_r++); + *(buf2++) = (unsigned char)*(ptr_g++); + *(buf2++) = (unsigned char)*(ptr_b++); + } + } break; + default : { // CMYK images + unsigned char *buf2 = buf = new unsigned char[width*height*(dimbuf=4)]; + const T *ptr_r = ptr(0,0,0,0), *ptr_g = ptr(0,0,0,1), *ptr_b = ptr(0,0,0,2), *ptr_a = ptr(0,0,0,3); + colortype = JCS_CMYK; + cimg_forXY(*this,x,y) { + *(buf2++) = (unsigned char)*(ptr_r++); + *(buf2++) = (unsigned char)*(ptr_g++); + *(buf2++) = (unsigned char)*(ptr_b++); + *(buf2++) = (unsigned char)*(ptr_a++); + } + } + } + + // Call libjpeg functions + struct jpeg_compress_struct cinfo; + struct jpeg_error_mgr jerr; + cinfo.err = jpeg_std_error(&jerr); + jpeg_create_compress(&cinfo); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + jpeg_stdio_dest(&cinfo,nfile); + cinfo.image_width = width; + cinfo.image_height = height; + cinfo.input_components = dimbuf; + cinfo.in_color_space = colortype; + jpeg_set_defaults(&cinfo); + jpeg_set_quality(&cinfo,quality<100?quality:100,TRUE); + jpeg_start_compress(&cinfo,TRUE); + + const unsigned int row_stride = width*dimbuf; + JSAMPROW row_pointer[1]; + while (cinfo.next_scanline < cinfo.image_height) { + row_pointer[0] = &buf[cinfo.next_scanline*row_stride]; + jpeg_write_scanlines(&cinfo,row_pointer,1); + } + jpeg_finish_compress(&cinfo); + + delete[] buf; + if (!file) cimg::fclose(nfile); + jpeg_destroy_compress(&cinfo); + return *this; +#endif + } + + //! Save a file in JPEG format. + const CImg<T>& save_jpeg(const char *const filename, const unsigned int quality=100) const { + return _save_jpeg(0,filename,quality); + } + + //! Save a file in JPEG format. + const CImg<T>& save_jpeg(cimg_std::FILE *const file, const unsigned int quality=100) const { + return _save_jpeg(file,0,quality); + } + + //! Save the image using built-in ImageMagick++ library. + const CImg<T>& save_magick(const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_magick() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_magick() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); +#ifdef cimg_use_magick + Magick::Image image(Magick::Geometry(width,height),"black"); + image.type(Magick::TrueColorType); + const T + *rdata = ptr(0,0,0,0), + *gdata = dim>1?ptr(0,0,0,1):0, + *bdata = dim>2?ptr(0,0,0,2):0; + Magick::PixelPacket *pixels = image.getPixels(0,0,width,height); + switch (dim) { + case 1 : // Scalar images + for (unsigned int off = width*height; off; --off) { + pixels->red = pixels->green = pixels->blue = Magick::Color::scaleDoubleToQuantum(*(rdata++)/255.0); + ++pixels; + } + break; + case 2 : // RG images + for (unsigned int off = width*height; off; --off) { + pixels->red = Magick::Color::scaleDoubleToQuantum(*(rdata++)/255.0); + pixels->green = Magick::Color::scaleDoubleToQuantum(*(gdata++)/255.0); + pixels->blue = 0; + ++pixels; + } + break; + default : // RGB images + for (unsigned int off = width*height; off; --off) { + pixels->red = Magick::Color::scaleDoubleToQuantum(*(rdata++)/255.0); + pixels->green = Magick::Color::scaleDoubleToQuantum(*(gdata++)/255.0); + pixels->blue = Magick::Color::scaleDoubleToQuantum(*(bdata++)/255.0); + ++pixels; + } + } + image.syncPixels(); + image.write(filename); +#else + throw CImgIOException("CImg<%s>::save_magick() : File '%s', Magick++ library has not been linked.", + pixel_type(),filename); +#endif + return *this; + } + + // Save an image to a PNG file (internal). + // Most of this function has been written by Eric Fausett + const CImg<T>& _save_png(cimg_std::FILE *const file, const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_png() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_png() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + if (depth>1) + cimg::warn("CImg<%s>::save_png() : File '%s', instance image (%u,%u,%u,%u,%p) is volumetric. Only the first slice will be saved.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); +#ifndef cimg_use_png + if (!file) return save_other(filename); + else throw CImgIOException("CImg<%s>::save_png() : Cannot save a PNG image in a *FILE output. You must use 'libpng' to do this instead.", + pixel_type()); +#else + const char *volatile nfilename = filename; // two 'volatile' here to remove a g++ warning due to 'setjmp'. + cimg_std::FILE *volatile nfile = file?file:cimg::fopen(nfilename,"wb"); + + // Setup PNG structures for write + png_voidp user_error_ptr = 0; + png_error_ptr user_error_fn = 0, user_warning_fn = 0; + png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,user_error_ptr, user_error_fn, user_warning_fn); + if(!png_ptr){ + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::save_png() : File '%s', error when initializing 'png_ptr' data structure.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + png_infop info_ptr = png_create_info_struct(png_ptr); + if (!info_ptr) { + png_destroy_write_struct(&png_ptr,(png_infopp)0); + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::save_png() : File '%s', error when initializing 'info_ptr' data structure.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + if (setjmp(png_jmpbuf(png_ptr))) { + png_destroy_write_struct(&png_ptr, &info_ptr); + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::save_png() : File '%s', unknown fatal error.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + png_init_io(png_ptr, nfile); + png_uint_32 width = dimx(), height = dimy(); + float vmin, vmax = (float)maxmin(vmin); + const int bit_depth = (vmin<0 || vmax>=256)?16:8; + int color_type; + switch (dimv()) { + case 1 : color_type = PNG_COLOR_TYPE_GRAY; break; + case 2 : color_type = PNG_COLOR_TYPE_GRAY_ALPHA; break; + case 3 : color_type = PNG_COLOR_TYPE_RGB; break; + default : color_type = PNG_COLOR_TYPE_RGB_ALPHA; + } + const int interlace_type = PNG_INTERLACE_NONE; + const int compression_type = PNG_COMPRESSION_TYPE_DEFAULT; + const int filter_method = PNG_FILTER_TYPE_DEFAULT; + png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, color_type, interlace_type,compression_type, filter_method); + png_write_info(png_ptr, info_ptr); + const int byte_depth = bit_depth>>3; + const int numChan = dimv()>4?4:dimv(); + const int pixel_bit_depth_flag = numChan * (bit_depth-1); + + // Allocate Memory for Image Save and Fill pixel data + png_bytep *imgData = new png_byte*[height]; + for (unsigned int row = 0; row<height; ++row) imgData[row] = new png_byte[byte_depth*numChan*width]; + const T *pC0 = ptr(0,0,0,0); + switch (pixel_bit_depth_flag) { + case 7 : { // Gray 8-bit + cimg_forY(*this,y) { + unsigned char *ptrd = imgData[y]; + cimg_forX(*this,x) *(ptrd++) = (unsigned char)*(pC0++); + } + } break; + case 14 : { // Gray w/ Alpha 8-bit + const T *pC1 = ptr(0,0,0,1); + cimg_forY(*this,y) { + unsigned char *ptrd = imgData[y]; + cimg_forX(*this,x) { + *(ptrd++) = (unsigned char)*(pC0++); + *(ptrd++) = (unsigned char)*(pC1++); + } + } + } break; + case 21 : { // RGB 8-bit + const T *pC1 = ptr(0,0,0,1), *pC2 = ptr(0,0,0,2); + cimg_forY(*this,y) { + unsigned char *ptrd = imgData[y]; + cimg_forX(*this,x) { + *(ptrd++) = (unsigned char)*(pC0++); + *(ptrd++) = (unsigned char)*(pC1++); + *(ptrd++) = (unsigned char)*(pC2++); + } + } + } break; + case 28 : { // RGB x/ Alpha 8-bit + const T *pC1 = ptr(0,0,0,1), *pC2 = ptr(0,0,0,2), *pC3 = ptr(0,0,0,3); + cimg_forY(*this,y){ + unsigned char *ptrd = imgData[y]; + cimg_forX(*this,x){ + *(ptrd++) = (unsigned char)*(pC0++); + *(ptrd++) = (unsigned char)*(pC1++); + *(ptrd++) = (unsigned char)*(pC2++); + *(ptrd++) = (unsigned char)*(pC3++); + } + } + } break; + case 15 : { // Gray 16-bit + cimg_forY(*this,y){ + unsigned short *ptrd = (unsigned short*)(imgData[y]); + cimg_forX(*this,x) *(ptrd++) = (unsigned short)*(pC0++); + if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],width); + } + } break; + case 30 : { // Gray w/ Alpha 16-bit + const T *pC1 = ptr(0,0,0,1); + cimg_forY(*this,y){ + unsigned short *ptrd = (unsigned short*)(imgData[y]); + cimg_forX(*this,x) { + *(ptrd++) = (unsigned short)*(pC0++); + *(ptrd++) = (unsigned short)*(pC1++); + } + if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],2*width); + } + } break; + case 45 : { // RGB 16-bit + const T *pC1 = ptr(0,0,0,1), *pC2 = ptr(0,0,0,2); + cimg_forY(*this,y) { + unsigned short *ptrd = (unsigned short*)(imgData[y]); + cimg_forX(*this,x) { + *(ptrd++) = (unsigned short)*(pC0++); + *(ptrd++) = (unsigned short)*(pC1++); + *(ptrd++) = (unsigned short)*(pC2++); + } + if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],3*width); + } + } break; + case 60 : { // RGB w/ Alpha 16-bit + const T *pC1 = ptr(0,0,0,1), *pC2 = ptr(0,0,0,2), *pC3 = ptr(0,0,0,3); + cimg_forY(*this,y) { + unsigned short *ptrd = (unsigned short*)(imgData[y]); + cimg_forX(*this,x) { + *(ptrd++) = (unsigned short)*(pC0++); + *(ptrd++) = (unsigned short)*(pC1++); + *(ptrd++) = (unsigned short)*(pC2++); + *(ptrd++) = (unsigned short)*(pC3++); + } + if (!cimg::endianness()) cimg::invert_endianness((unsigned short*)imgData[y],4*width); + } + } break; + default : + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImg<%s>::save_png() : File '%s', unknown fatal error.", + pixel_type(),nfilename?nfilename:"(FILE*)"); + } + png_write_image(png_ptr, imgData); + png_write_end(png_ptr, info_ptr); + png_destroy_write_struct(&png_ptr, &info_ptr); + + // Deallocate Image Write Memory + cimg_forY(*this,n) delete[] imgData[n]; + delete[] imgData; + if (!file) cimg::fclose(nfile); + return *this; +#endif + } + + //! Save a file in PNG format + const CImg<T>& save_png(const char *const filename) const { + return _save_png(0,filename); + } + + //! Save a file in PNG format + const CImg<T>& save_png(cimg_std::FILE *const file) const { + return _save_png(file,0); + } + + // Save the image as a PNM file (internal function). + const CImg<T>& _save_pnm(cimg_std::FILE *const file, const char *const filename) const { + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_pnm() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_pnm() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + double stmin, stmax = (double)maxmin(stmin); + if (depth>1) + cimg::warn("CImg<%s>::save_pnm() : File '%s', instance image (%u,%u,%u,%u,%p) is volumetric. Only the first slice will be saved.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (dim>3) + cimg::warn("CImg<%s>::save_pnm() : File '%s', instance image (%u,%u,%u,%u,%p) is multispectral. Only the three first channels will be saved.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (stmin<0 || stmax>65535) + cimg::warn("CImg<%s>::save_pnm() : File '%s', instance image (%u,%u,%u,%u,%p) has pixel values in [%g,%g]. Probable type overflow.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data,stmin,stmax); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + const T + *ptrR = ptr(0,0,0,0), + *ptrG = (dim>=2)?ptr(0,0,0,1):0, + *ptrB = (dim>=3)?ptr(0,0,0,2):0; + const unsigned int buf_size = width*height*(dim==1?1:3); + + cimg_std::fprintf(nfile,"P%c\n# CREATOR: CImg Library (original size = %ux%ux%ux%u)\n%u %u\n%u\n", + (dim==1?'5':'6'),width,height,depth,dim,width,height,stmax<256?255:(stmax<4096?4095:65535)); + + switch (dim) { + case 1 : { // Scalar image + if (stmax<256) { // Binary PGM 8 bits + unsigned char *ptrd = new unsigned char[buf_size], *xptrd = ptrd; + cimg_forXY(*this,x,y) *(xptrd++) = (unsigned char)*(ptrR++); + cimg::fwrite(ptrd,buf_size,nfile); + delete[] ptrd; + } else { // Binary PGM 16 bits + unsigned short *ptrd = new unsigned short[buf_size], *xptrd = ptrd; + cimg_forXY(*this,x,y) *(xptrd++) = (unsigned short)*(ptrR++); + if (!cimg::endianness()) cimg::invert_endianness(ptrd,buf_size); + cimg::fwrite(ptrd,buf_size,nfile); + delete[] ptrd; + } + } break; + case 2 : { // RG image + if (stmax<256) { // Binary PPM 8 bits + unsigned char *ptrd = new unsigned char[buf_size], *xptrd = ptrd; + cimg_forXY(*this,x,y) { + *(xptrd++) = (unsigned char)*(ptrR++); + *(xptrd++) = (unsigned char)*(ptrG++); + *(xptrd++) = 0; + } + cimg::fwrite(ptrd,buf_size,nfile); + delete[] ptrd; + } else { // Binary PPM 16 bits + unsigned short *ptrd = new unsigned short[buf_size], *xptrd = ptrd; + cimg_forXY(*this,x,y) { + *(xptrd++) = (unsigned short)*(ptrR++); + *(xptrd++) = (unsigned short)*(ptrG++); + *(xptrd++) = 0; + } + if (!cimg::endianness()) cimg::invert_endianness(ptrd,buf_size); + cimg::fwrite(ptrd,buf_size,nfile); + delete[] ptrd; + } + } break; + default : { // RGB image + if (stmax<256) { // Binary PPM 8 bits + unsigned char *ptrd = new unsigned char[buf_size], *xptrd = ptrd; + cimg_forXY(*this,x,y) { + *(xptrd++) = (unsigned char)*(ptrR++); + *(xptrd++) = (unsigned char)*(ptrG++); + *(xptrd++) = (unsigned char)*(ptrB++); + } + cimg::fwrite(ptrd,buf_size,nfile); + delete[] ptrd; + } else { // Binary PPM 16 bits + unsigned short *ptrd = new unsigned short[buf_size], *xptrd = ptrd; + cimg_forXY(*this,x,y) { + *(xptrd++) = (unsigned short)*(ptrR++); + *(xptrd++) = (unsigned short)*(ptrG++); + *(xptrd++) = (unsigned short)*(ptrB++); + } + if (!cimg::endianness()) cimg::invert_endianness(ptrd,buf_size); + cimg::fwrite(ptrd,buf_size,nfile); + delete[] ptrd; + } + } + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as a PNM file. + const CImg<T>& save_pnm(const char *const filename) const { + return _save_pnm(0,filename); + } + + //! Save the image as a PNM file. + const CImg<T>& save_pnm(cimg_std::FILE *const file) const { + return _save_pnm(file,0); + } + + // Save the image as a RGB file (internal). + const CImg<T>& _save_rgb(cimg_std::FILE *const file, const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_rgb() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_rgb() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + if (dim!=3) + cimg::warn("CImg<%s>::save_rgb() : File '%s', instance image (%u,%u,%u,%u,%p) has not exactly 3 channels.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + const unsigned int wh = width*height; + unsigned char *buffer = new unsigned char[3*wh], *nbuffer=buffer; + const T + *ptr1 = ptr(0,0,0,0), + *ptr2 = dim>1?ptr(0,0,0,1):0, + *ptr3 = dim>2?ptr(0,0,0,2):0; + switch (dim) { + case 1 : { // Scalar image + for (unsigned int k=0; k<wh; ++k) { + const unsigned char val = (unsigned char)*(ptr1++); + *(nbuffer++) = val; + *(nbuffer++) = val; + *(nbuffer++) = val; + }} break; + case 2 : { // RG image + for (unsigned int k=0; k<wh; ++k) { + *(nbuffer++) = (unsigned char)(*(ptr1++)); + *(nbuffer++) = (unsigned char)(*(ptr2++)); + *(nbuffer++) = 0; + }} break; + default : { // RGB image + for (unsigned int k=0; k<wh; ++k) { + *(nbuffer++) = (unsigned char)(*(ptr1++)); + *(nbuffer++) = (unsigned char)(*(ptr2++)); + *(nbuffer++) = (unsigned char)(*(ptr3++)); + } + } + } + cimg::fwrite(buffer,3*wh,nfile); + if (!file) cimg::fclose(nfile); + delete[] buffer; + return *this; + } + + //! Save the image as a RGB file. + const CImg<T>& save_rgb(const char *const filename) const { + return _save_rgb(0,filename); + } + + //! Save the image as a RGB file. + const CImg<T>& save_rgb(cimg_std::FILE *const file) const { + return _save_rgb(file,0); + } + + // Save the image as a RGBA file (internal). + const CImg<T>& _save_rgba(cimg_std::FILE *const file, const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_rgba() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_rgba() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + if (dim!=4) + cimg::warn("CImg<%s>::save_rgba() : File '%s, instance image (%u,%u,%u,%u,%p) has not exactly 4 channels.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + const unsigned int wh = width*height; + unsigned char *buffer = new unsigned char[4*wh], *nbuffer=buffer; + const T + *ptr1 = ptr(0,0,0,0), + *ptr2 = dim>1?ptr(0,0,0,1):0, + *ptr3 = dim>2?ptr(0,0,0,2):0, + *ptr4 = dim>3?ptr(0,0,0,3):0; + switch (dim) { + case 1 : { // Scalar images + for (unsigned int k=0; k<wh; ++k) { + const unsigned char val = (unsigned char)*(ptr1++); + *(nbuffer++) = val; + *(nbuffer++) = val; + *(nbuffer++) = val; + *(nbuffer++) = 255; + }} break; + case 2 : { // RG images + for (unsigned int k=0; k<wh; ++k) { + *(nbuffer++) = (unsigned char)(*(ptr1++)); + *(nbuffer++) = (unsigned char)(*(ptr2++)); + *(nbuffer++) = 0; + *(nbuffer++) = 255; + }} break; + case 3 : { // RGB images + for (unsigned int k=0; k<wh; ++k) { + *(nbuffer++) = (unsigned char)(*(ptr1++)); + *(nbuffer++) = (unsigned char)(*(ptr2++)); + *(nbuffer++) = (unsigned char)(*(ptr3++)); + *(nbuffer++) = 255; + }} break; + default : { // RGBA images + for (unsigned int k=0; k<wh; ++k) { + *(nbuffer++) = (unsigned char)(*(ptr1++)); + *(nbuffer++) = (unsigned char)(*(ptr2++)); + *(nbuffer++) = (unsigned char)(*(ptr3++)); + *(nbuffer++) = (unsigned char)(*(ptr4++)); + } + } + } + cimg::fwrite(buffer,4*wh,nfile); + if (!file) cimg::fclose(nfile); + delete[] buffer; + return *this; + } + + //! Save the image as a RGBA file. + const CImg<T>& save_rgba(const char *const filename) const { + return _save_rgba(0,filename); + } + + //! Save the image as a RGBA file. + const CImg<T>& save_rgba(cimg_std::FILE *const file) const { + return _save_rgba(file,0); + } + + // Save a plane into a tiff file +#ifdef cimg_use_tiff + const CImg<T>& _save_tiff(TIFF *tif, const unsigned int directory) const { + if (is_empty() || !tif) return *this; + const char *const filename = TIFFFileName(tif); + uint32 rowsperstrip = (uint32)-1; + uint16 spp = dim, bpp = sizeof(T)*8, photometric, compression = COMPRESSION_NONE; + if (spp==3 || spp==4) photometric = PHOTOMETRIC_RGB; + else photometric = PHOTOMETRIC_MINISBLACK; + TIFFSetDirectory(tif,directory); + TIFFSetField(tif,TIFFTAG_IMAGEWIDTH,width); + TIFFSetField(tif,TIFFTAG_IMAGELENGTH,height); + TIFFSetField(tif,TIFFTAG_ORIENTATION,ORIENTATION_TOPLEFT); + TIFFSetField(tif,TIFFTAG_SAMPLESPERPIXEL,spp); + if (cimg::type<T>::is_float()) TIFFSetField(tif,TIFFTAG_SAMPLEFORMAT,3); + else if (cimg::type<T>::min()==0) TIFFSetField(tif,TIFFTAG_SAMPLEFORMAT,1); + else TIFFSetField(tif,TIFFTAG_SAMPLEFORMAT,2); + TIFFSetField(tif,TIFFTAG_BITSPERSAMPLE,bpp); + TIFFSetField(tif,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG); + TIFFSetField(tif,TIFFTAG_PHOTOMETRIC,photometric); + TIFFSetField(tif,TIFFTAG_COMPRESSION,compression); + rowsperstrip = TIFFDefaultStripSize(tif,rowsperstrip); + TIFFSetField(tif,TIFFTAG_ROWSPERSTRIP,rowsperstrip); + TIFFSetField(tif,TIFFTAG_FILLORDER,FILLORDER_MSB2LSB); + TIFFSetField(tif,TIFFTAG_SOFTWARE,"CImg"); + T *buf = (T*)_TIFFmalloc(TIFFStripSize(tif)); + if (buf){ + for (unsigned int row = 0; row<height; row+=rowsperstrip) { + uint32 nrow = (row+rowsperstrip>height?height-row:rowsperstrip); + tstrip_t strip = TIFFComputeStrip(tif,row,0); + tsize_t i = 0; + for (unsigned int rr = 0; rr<nrow; ++rr) + for (unsigned int cc = 0; cc<width; ++cc) + for (unsigned int vv = 0; vv<spp; ++vv) + buf[i++] = (*this)(cc,row+rr,vv); + if (TIFFWriteEncodedStrip(tif,strip,buf,i*sizeof(T))<0) + throw CImgException("CImg<%s>::save_tiff() : File '%s', an error has occured while writing a strip.", + pixel_type(),filename?filename:"(FILE*)"); + } + _TIFFfree(buf); + } + TIFFWriteDirectory(tif); + return (*this); + } +#endif + + //! Save a file in TIFF format. + const CImg<T>& save_tiff(const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_tiff() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_tiff() : Specified filename is (null) for instance image (%u,%u,%u,%u,%p).", + pixel_type(),width,height,depth,dim,data); +#ifdef cimg_use_tiff + TIFF *tif = TIFFOpen(filename,"w"); + if (tif) { + cimg_forZ(*this,z) get_slice(z)._save_tiff(tif,z); + TIFFClose(tif); + } else throw CImgException("CImg<%s>::save_tiff() : File '%s', error while opening file stream for writing.", + pixel_type(),filename); +#else + return save_other(filename); +#endif + return *this; + } + + //! Save the image as an ANALYZE7.5 or NIFTI file. + const CImg<T>& save_analyze(const char *const filename, const float *const voxsize=0) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_analyze() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_analyze() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + cimg_std::FILE *file; + char header[348], hname[1024], iname[1024]; + const char *ext = cimg::split_filename(filename); + short datatype=-1; + cimg_std::memset(header,0,348); + if (!ext[0]) { cimg_std::sprintf(hname,"%s.hdr",filename); cimg_std::sprintf(iname,"%s.img",filename); } + if (!cimg::strncasecmp(ext,"hdr",3)) { + cimg_std::strcpy(hname,filename); cimg_std::strcpy(iname,filename); cimg_std::sprintf(iname+cimg::strlen(iname)-3,"img"); + } + if (!cimg::strncasecmp(ext,"img",3)) { + cimg_std::strcpy(hname,filename); cimg_std::strcpy(iname,filename); cimg_std::sprintf(hname+cimg::strlen(iname)-3,"hdr"); + } + if (!cimg::strncasecmp(ext,"nii",3)) { + cimg_std::strcpy(hname,filename); iname[0] = 0; + } + ((int*)(header))[0] = 348; + cimg_std::sprintf(header+4,"CImg"); + cimg_std::sprintf(header+14," "); + ((short*)(header+36))[0] = 4096; + ((char*)(header+38))[0] = 114; + ((short*)(header+40))[0] = 4; + ((short*)(header+40))[1] = width; + ((short*)(header+40))[2] = height; + ((short*)(header+40))[3] = depth; + ((short*)(header+40))[4] = dim; + if (!cimg::strcasecmp(pixel_type(),"bool")) datatype = 2; + if (!cimg::strcasecmp(pixel_type(),"unsigned char")) datatype = 2; + if (!cimg::strcasecmp(pixel_type(),"char")) datatype = 2; + if (!cimg::strcasecmp(pixel_type(),"unsigned short")) datatype = 4; + if (!cimg::strcasecmp(pixel_type(),"short")) datatype = 4; + if (!cimg::strcasecmp(pixel_type(),"unsigned int")) datatype = 8; + if (!cimg::strcasecmp(pixel_type(),"int")) datatype = 8; + if (!cimg::strcasecmp(pixel_type(),"unsigned long")) datatype = 8; + if (!cimg::strcasecmp(pixel_type(),"long")) datatype = 8; + if (!cimg::strcasecmp(pixel_type(),"float")) datatype = 16; + if (!cimg::strcasecmp(pixel_type(),"double")) datatype = 64; + if (datatype<0) + throw CImgIOException("CImg<%s>::save_analyze() : Cannot save image '%s' since pixel type (%s)" + "is not handled in Analyze7.5 specifications.\n", + pixel_type(),filename,pixel_type()); + ((short*)(header+70))[0] = datatype; + ((short*)(header+72))[0] = sizeof(T); + ((float*)(header+112))[0] = 1; + ((float*)(header+76))[0] = 0; + if (voxsize) { + ((float*)(header+76))[1] = voxsize[0]; + ((float*)(header+76))[2] = voxsize[1]; + ((float*)(header+76))[3] = voxsize[2]; + } else ((float*)(header+76))[1] = ((float*)(header+76))[2] = ((float*)(header+76))[3] = 1; + file = cimg::fopen(hname,"wb"); + cimg::fwrite(header,348,file); + if (iname[0]) { cimg::fclose(file); file = cimg::fopen(iname,"wb"); } + cimg::fwrite(data,size(),file); + cimg::fclose(file); + return *this; + } + + //! Save the image as a .cimg file. + const CImg<T>& save_cimg(const char *const filename, const bool compress=false) const { + CImgList<T>(*this,true).save_cimg(filename,compress); + return *this; + } + + // Save the image as a .cimg file. + const CImg<T>& save_cimg(cimg_std::FILE *const file, const bool compress=false) const { + CImgList<T>(*this,true).save_cimg(file,compress); + return *this; + } + + //! Insert the image into an existing .cimg file, at specified coordinates. + const CImg<T>& save_cimg(const char *const filename, + const unsigned int n0, + const unsigned int x0, const unsigned int y0, + const unsigned int z0, const unsigned int v0) const { + CImgList<T>(*this,true).save_cimg(filename,n0,x0,y0,z0,v0); + return *this; + } + + //! Insert the image into an existing .cimg file, at specified coordinates. + const CImg<T>& save_cimg(cimg_std::FILE *const file, + const unsigned int n0, + const unsigned int x0, const unsigned int y0, + const unsigned int z0, const unsigned int v0) const { + CImgList<T>(*this,true).save_cimg(file,n0,x0,y0,z0,v0); + return *this; + } + + //! Save an empty .cimg file with specified dimensions. + static void save_empty_cimg(const char *const filename, + const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1) { + return CImgList<T>::save_empty_cimg(filename,1,dx,dy,dz,dv); + } + + //! Save an empty .cimg file with specified dimensions. + static void save_empty_cimg(cimg_std::FILE *const file, + const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1) { + return CImgList<T>::save_empty_cimg(file,1,dx,dy,dz,dv); + } + + // Save the image as an INRIMAGE-4 file (internal). + const CImg<T>& _save_inr(cimg_std::FILE *const file, const char *const filename, const float *const voxsize) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_inr() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_inr() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + int inrpixsize=-1; + const char *inrtype = "unsigned fixed\nPIXSIZE=8 bits\nSCALE=2**0"; + if (!cimg::strcasecmp(pixel_type(),"unsigned char")) { inrtype = "unsigned fixed\nPIXSIZE=8 bits\nSCALE=2**0"; inrpixsize = 1; } + if (!cimg::strcasecmp(pixel_type(),"char")) { inrtype = "fixed\nPIXSIZE=8 bits\nSCALE=2**0"; inrpixsize = 1; } + if (!cimg::strcasecmp(pixel_type(),"unsigned short")) { inrtype = "unsigned fixed\nPIXSIZE=16 bits\nSCALE=2**0";inrpixsize = 2; } + if (!cimg::strcasecmp(pixel_type(),"short")) { inrtype = "fixed\nPIXSIZE=16 bits\nSCALE=2**0"; inrpixsize = 2; } + if (!cimg::strcasecmp(pixel_type(),"unsigned int")) { inrtype = "unsigned fixed\nPIXSIZE=32 bits\nSCALE=2**0";inrpixsize = 4; } + if (!cimg::strcasecmp(pixel_type(),"int")) { inrtype = "fixed\nPIXSIZE=32 bits\nSCALE=2**0"; inrpixsize = 4; } + if (!cimg::strcasecmp(pixel_type(),"float")) { inrtype = "float\nPIXSIZE=32 bits"; inrpixsize = 4; } + if (!cimg::strcasecmp(pixel_type(),"double")) { inrtype = "float\nPIXSIZE=64 bits"; inrpixsize = 8; } + if (inrpixsize<=0) + throw CImgIOException("CImg<%s>::save_inr() : Don't know how to save images of '%s'", + pixel_type(),pixel_type()); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + char header[257]; + int err = cimg_std::sprintf(header,"#INRIMAGE-4#{\nXDIM=%u\nYDIM=%u\nZDIM=%u\nVDIM=%u\n",width,height,depth,dim); + if (voxsize) err += cimg_std::sprintf(header+err,"VX=%g\nVY=%g\nVZ=%g\n",voxsize[0],voxsize[1],voxsize[2]); + err += cimg_std::sprintf(header+err,"TYPE=%s\nCPU=%s\n",inrtype,cimg::endianness()?"sun":"decm"); + cimg_std::memset(header+err,'\n',252-err); + cimg_std::memcpy(header+252,"##}\n",4); + cimg::fwrite(header,256,nfile); + cimg_forXYZ(*this,x,y,z) cimg_forV(*this,k) cimg::fwrite(&((*this)(x,y,z,k)),1,nfile); + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as an INRIMAGE-4 file. + const CImg<T>& save_inr(const char *const filename, const float *const voxsize=0) const { + return _save_inr(0,filename,voxsize); + } + + //! Save the image as an INRIMAGE-4 file. + const CImg<T>& save_inr(cimg_std::FILE *const file, const float *const voxsize=0) const { + return _save_inr(file,0,voxsize); + } + + // Save the image as a PANDORE-5 file (internal). + unsigned int _save_pandore_header_length(unsigned int id, unsigned int *dims, const unsigned int colorspace) const { + unsigned int nbdims = 0; + if (id==2 || id==3 || id==4) { dims[0] = 1; dims[1] = width; nbdims = 2; } + if (id==5 || id==6 || id==7) { dims[0] = 1; dims[1] = height; dims[2] = width; nbdims=3; } + if (id==8 || id==9 || id==10) { dims[0] = dim; dims[1] = depth; dims[2] = height; dims[3] = width; nbdims = 4; } + if (id==16 || id==17 || id==18) { dims[0] = 3; dims[1] = height; dims[2] = width; dims[3] = colorspace; nbdims = 4; } + if (id==19 || id==20 || id==21) { dims[0] = 3; dims[1] = depth; dims[2] = height; dims[3] = width; dims[4] = colorspace; nbdims = 5; } + if (id==22 || id==23 || id==25) { dims[0] = dim; dims[1] = width; nbdims = 2; } + if (id==26 || id==27 || id==29) { dims[0] = dim; dims[1] = height; dims[2] = width; nbdims=3; } + if (id==30 || id==31 || id==33) { dims[0] = dim; dims[1] = depth; dims[2] = height; dims[3] = width; nbdims = 4; } + return nbdims; + } + + const CImg<T>& _save_pandore(cimg_std::FILE *const file, const char *const filename, const unsigned int colorspace) const { + typedef unsigned char uchar; + typedef unsigned short ushort; + typedef unsigned int uint; + typedef unsigned long ulong; + +#define __cimg_save_pandore_case(dtype) \ + dtype *buffer = new dtype[size()]; \ + const T *ptrs = data; \ + cimg_foroff(*this,off) *(buffer++) = (dtype)(*(ptrs++)); \ + buffer-=size(); \ + cimg::fwrite(buffer,size(),nfile); \ + delete[] buffer + +#define _cimg_save_pandore_case(sy,sz,sv,stype,id) \ + if (!saved && (sy?(sy==height):true) && (sz?(sz==depth):true) && (sv?(sv==dim):true) && !cimg::strcmp(stype,pixel_type())) { \ + unsigned int *iheader = (unsigned int*)(header+12); \ + nbdims = _save_pandore_header_length((*iheader=id),dims,colorspace); \ + cimg::fwrite(header,36,nfile); \ + if (sizeof(ulong)==4) { ulong ndims[5]; for (int d = 0; d<5; ++d) ndims[d] = (ulong)dims[d]; cimg::fwrite(ndims,nbdims,nfile); } \ + else if (sizeof(uint)==4) { uint ndims[5]; for (int d = 0; d<5; ++d) ndims[d] = (uint)dims[d]; cimg::fwrite(ndims,nbdims,nfile); } \ + else if (sizeof(ushort)==4) { ushort ndims[5]; for (int d = 0; d<5; ++d) ndims[d] = (ushort)dims[d]; cimg::fwrite(ndims,nbdims,nfile); } \ + else throw CImgIOException("CImg<%s>::save_pandore() : File '%s', instance image (%u,%u,%u,%u,%p), output type is not" \ + "supported on this architecture.",pixel_type(),filename?filename:"(FILE*)",width,height, \ + depth,dim,data); \ + if (id==2 || id==5 || id==8 || id==16 || id==19 || id==22 || id==26 || id==30) { \ + __cimg_save_pandore_case(uchar); \ + } else if (id==3 || id==6 || id==9 || id==17 || id==20 || id==23 || id==27 || id==31) { \ + if (sizeof(ulong)==4) { __cimg_save_pandore_case(ulong); } \ + else if (sizeof(uint)==4) { __cimg_save_pandore_case(uint); } \ + else if (sizeof(ushort)==4) { __cimg_save_pandore_case(ushort); } \ + else throw CImgIOException("CImg<%s>::save_pandore() : File '%s', instance image (%u,%u,%u,%u,%p), output type is not" \ + "supported on this architecture.",pixel_type(),filename?filename:"(FILE*)",width,height, \ + depth,dim,data); \ + } else if (id==4 || id==7 || id==10 || id==18 || id==21 || id==25 || id==29 || id==33) { \ + if (sizeof(double)==4) { __cimg_save_pandore_case(double); } \ + else if (sizeof(float)==4) { __cimg_save_pandore_case(float); } \ + else throw CImgIOException("CImg<%s>::save_pandore() : File '%s', instance image (%u,%u,%u,%u,%p), output type is not" \ + "supported on this architecture.",pixel_type(),filename?filename:"(FILE*)",width,height, \ + depth,dim,data); \ + } \ + saved = true; \ + } + + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_pandore() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_pandore() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + unsigned char header[36] = { 'P','A','N','D','O','R','E','0','4',0,0,0, + 0,0,0,0,'C','I','m','g',0,0,0,0,0,'N','o',' ','d','a','t','e',0,0,0,0 }; + unsigned int nbdims, dims[5]; + bool saved = false; + _cimg_save_pandore_case(1,1,1,"unsigned char",2); + _cimg_save_pandore_case(1,1,1,"char",3); + _cimg_save_pandore_case(1,1,1,"short",3); + _cimg_save_pandore_case(1,1,1,"unsigned short",3); + _cimg_save_pandore_case(1,1,1,"unsigned int",3); + _cimg_save_pandore_case(1,1,1,"int",3); + _cimg_save_pandore_case(1,1,1,"unsigned long",4); + _cimg_save_pandore_case(1,1,1,"long",3); + _cimg_save_pandore_case(1,1,1,"float",4); + _cimg_save_pandore_case(1,1,1,"double",4); + + _cimg_save_pandore_case(0,1,1,"unsigned char",5); + _cimg_save_pandore_case(0,1,1,"char",6); + _cimg_save_pandore_case(0,1,1,"short",6); + _cimg_save_pandore_case(0,1,1,"unsigned short",6); + _cimg_save_pandore_case(0,1,1,"unsigned int",6); + _cimg_save_pandore_case(0,1,1,"int",6); + _cimg_save_pandore_case(0,1,1,"unsigned long",7); + _cimg_save_pandore_case(0,1,1,"long",6); + _cimg_save_pandore_case(0,1,1,"float",7); + _cimg_save_pandore_case(0,1,1,"double",7); + + _cimg_save_pandore_case(0,0,1,"unsigned char",8); + _cimg_save_pandore_case(0,0,1,"char",9); + _cimg_save_pandore_case(0,0,1,"short",9); + _cimg_save_pandore_case(0,0,1,"unsigned short",9); + _cimg_save_pandore_case(0,0,1,"unsigned int",9); + _cimg_save_pandore_case(0,0,1,"int",9); + _cimg_save_pandore_case(0,0,1,"unsigned long",10); + _cimg_save_pandore_case(0,0,1,"long",9); + _cimg_save_pandore_case(0,0,1,"float",10); + _cimg_save_pandore_case(0,0,1,"double",10); + + _cimg_save_pandore_case(0,1,3,"unsigned char",16); + _cimg_save_pandore_case(0,1,3,"char",17); + _cimg_save_pandore_case(0,1,3,"short",17); + _cimg_save_pandore_case(0,1,3,"unsigned short",17); + _cimg_save_pandore_case(0,1,3,"unsigned int",17); + _cimg_save_pandore_case(0,1,3,"int",17); + _cimg_save_pandore_case(0,1,3,"unsigned long",18); + _cimg_save_pandore_case(0,1,3,"long",17); + _cimg_save_pandore_case(0,1,3,"float",18); + _cimg_save_pandore_case(0,1,3,"double",18); + + _cimg_save_pandore_case(0,0,3,"unsigned char",19); + _cimg_save_pandore_case(0,0,3,"char",20); + _cimg_save_pandore_case(0,0,3,"short",20); + _cimg_save_pandore_case(0,0,3,"unsigned short",20); + _cimg_save_pandore_case(0,0,3,"unsigned int",20); + _cimg_save_pandore_case(0,0,3,"int",20); + _cimg_save_pandore_case(0,0,3,"unsigned long",21); + _cimg_save_pandore_case(0,0,3,"long",20); + _cimg_save_pandore_case(0,0,3,"float",21); + _cimg_save_pandore_case(0,0,3,"double",21); + + _cimg_save_pandore_case(1,1,0,"unsigned char",22); + _cimg_save_pandore_case(1,1,0,"char",23); + _cimg_save_pandore_case(1,1,0,"short",23); + _cimg_save_pandore_case(1,1,0,"unsigned short",23); + _cimg_save_pandore_case(1,1,0,"unsigned int",23); + _cimg_save_pandore_case(1,1,0,"int",23); + _cimg_save_pandore_case(1,1,0,"unsigned long",25); + _cimg_save_pandore_case(1,1,0,"long",23); + _cimg_save_pandore_case(1,1,0,"float",25); + _cimg_save_pandore_case(1,1,0,"double",25); + + _cimg_save_pandore_case(0,1,0,"unsigned char",26); + _cimg_save_pandore_case(0,1,0,"char",27); + _cimg_save_pandore_case(0,1,0,"short",27); + _cimg_save_pandore_case(0,1,0,"unsigned short",27); + _cimg_save_pandore_case(0,1,0,"unsigned int",27); + _cimg_save_pandore_case(0,1,0,"int",27); + _cimg_save_pandore_case(0,1,0,"unsigned long",29); + _cimg_save_pandore_case(0,1,0,"long",27); + _cimg_save_pandore_case(0,1,0,"float",29); + _cimg_save_pandore_case(0,1,0,"double",29); + + _cimg_save_pandore_case(0,0,0,"unsigned char",30); + _cimg_save_pandore_case(0,0,0,"char",31); + _cimg_save_pandore_case(0,0,0,"short",31); + _cimg_save_pandore_case(0,0,0,"unsigned short",31); + _cimg_save_pandore_case(0,0,0,"unsigned int",31); + _cimg_save_pandore_case(0,0,0,"int",31); + _cimg_save_pandore_case(0,0,0,"unsigned long",33); + _cimg_save_pandore_case(0,0,0,"long",31); + _cimg_save_pandore_case(0,0,0,"float",33); + _cimg_save_pandore_case(0,0,0,"double",33); + + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as a PANDORE-5 file. + const CImg<T>& save_pandore(const char *const filename, const unsigned int colorspace=0) const { + return _save_pandore(0,filename,colorspace); + } + + //! Save the image as a PANDORE-5 file. + const CImg<T>& save_pandore(cimg_std::FILE *const file, const unsigned int colorspace=0) const { + return _save_pandore(file,0,colorspace); + } + + // Save the image as a RAW file (internal). + const CImg<T>& _save_raw(cimg_std::FILE *const file, const char *const filename, const bool multiplexed) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_raw() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_raw() : Instance image (%u,%u,%u,%u,%p), specified file is (null).", + pixel_type(),width,height,depth,dim,data); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + if (!multiplexed) cimg::fwrite(data,size(),nfile); + else { + CImg<T> buf(dim); + cimg_forXYZ(*this,x,y,z) { + cimg_forV(*this,k) buf[k] = (*this)(x,y,z,k); + cimg::fwrite(buf.data,dim,nfile); + } + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save the image as a RAW file. + const CImg<T>& save_raw(const char *const filename, const bool multiplexed=false) const { + return _save_raw(0,filename,multiplexed); + } + + //! Save the image as a RAW file. + const CImg<T>& save_raw(cimg_std::FILE *const file, const bool multiplexed=false) const { + return _save_raw(file,0,multiplexed); + } + + //! Save the image as a video sequence file, using FFMPEG library. + const CImg<T>& save_ffmpeg(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int fps=25) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_ffmpeg() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_ffmpeg() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + if (!fps) + throw CImgArgumentException("CImg<%s>::save_ffmpeg() : File '%s', specified framerate is 0.", + pixel_type(),filename); +#ifndef cimg_use_ffmpeg + return save_ffmpeg_external(filename,first_frame,last_frame); +#else + get_split('z').save_ffmpeg(filename,first_frame,last_frame,fps); +#endif + return *this; + } + + //! Save the image as a YUV video sequence file. + const CImg<T>& save_yuv(const char *const filename, const bool rgb2yuv=true) const { + get_split('z').save_yuv(filename,rgb2yuv); + return *this; + } + + //! Save the image as a YUV video sequence file. + const CImg<T>& save_yuv(cimg_std::FILE *const file, const bool rgb2yuv=true) const { + get_split('z').save_yuv(file,rgb2yuv); + return *this; + } + + // Save OFF files (internal). + template<typename tf, typename tc> + const CImg<T>& _save_off(cimg_std::FILE *const file, const char *const filename, + const CImgList<tf>& primitives, const CImgList<tc>& colors, const bool invert_faces) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_off() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",width,height,depth,dim,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_off() : Specified filename is (null).", + pixel_type()); + if (height<3) return get_resize(-100,3,1,1,0)._save_off(file,filename,primitives,colors,invert_faces); + CImgList<tc> _colors; + if (!colors) _colors.insert(primitives.size,CImg<tc>::vector(200,200,200)); + const CImgList<tc>& ncolors = colors?colors:_colors; + + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"w"); + cimg_std::fprintf(nfile,"OFF\n%u %u %u\n",width,primitives.size,3*primitives.size); + cimg_forX(*this,i) cimg_std::fprintf(nfile,"%f %f %f\n",(float)((*this)(i,0)),(float)((*this)(i,1)),(float)((*this)(i,2))); + cimglist_for(primitives,l) { + const unsigned int prim = primitives[l].size(); + const bool textured = (prim>4); + const CImg<tc>& color = ncolors[l]; + const unsigned int s = textured?color.dimv():color.size(); + const float + r = textured?(s>0?(float)(color.get_shared_channel(0).mean()/255.0f):1.0f):(s>0?(float)(color(0)/255.0f):1.0f), + g = textured?(s>1?(float)(color.get_shared_channel(1).mean()/255.0f):r) :(s>1?(float)(color(1)/255.0f):r), + b = textured?(s>2?(float)(color.get_shared_channel(2).mean()/255.0f):r) :(s>2?(float)(color(2)/255.0f):r); + + switch (prim) { + case 1 : + cimg_std::fprintf(nfile,"1 %u %f %f %f\n",(unsigned int)primitives(l,0),r,g,b); + break; + case 2 : case 6 : + cimg_std::fprintf(nfile,"2 %u %u %f %f %f\n",(unsigned int)primitives(l,0),(unsigned int)primitives(l,1),r,g,b); + break; + case 3 : case 9 : + if (invert_faces) + cimg_std::fprintf(nfile,"3 %u %u %u %f %f %f\n",(unsigned int)primitives(l,0),(unsigned int)primitives(l,1),(unsigned int)primitives(l,2),r,g,b); + else + cimg_std::fprintf(nfile,"3 %u %u %u %f %f %f\n",(unsigned int)primitives(l,0),(unsigned int)primitives(l,2),(unsigned int)primitives(l,1),r,g,b); + break; + case 4 : case 12 : + if (invert_faces) + cimg_std::fprintf(nfile,"4 %u %u %u %u %f %f %f\n", + (unsigned int)primitives(l,0),(unsigned int)primitives(l,1),(unsigned int)primitives(l,2),(unsigned int)primitives(l,3),r,g,b); + else + cimg_std::fprintf(nfile,"4 %u %u %u %u %f %f %f\n", + (unsigned int)primitives(l,0),(unsigned int)primitives(l,3),(unsigned int)primitives(l,2),(unsigned int)primitives(l,1),r,g,b); + break; + } + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save OFF files. + template<typename tf, typename tc> + const CImg<T>& save_off(const char *const filename, + const CImgList<tf>& primitives, const CImgList<tc>& colors, const bool invert_faces=false) const { + return _save_off(0,filename,primitives,colors,invert_faces); + } + + //! Save OFF files. + template<typename tf, typename tc> + const CImg<T>& save_off(cimg_std::FILE *const file, + const CImgList<tf>& primitives, const CImgList<tc>& colors, const bool invert_faces=false) const { + return _save_off(file,0,primitives,colors,invert_faces); + } + + //! Save the image as a video sequence file, using the external tool 'ffmpeg'. + const CImg<T>& save_ffmpeg_external(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const char *const codec="mpeg2video") const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_ffmpeg_external() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_ffmpeg_external() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + get_split('z').save_ffmpeg_external(filename,first_frame,last_frame,codec); + return *this; + } + + //! Save the image using GraphicsMagick's gm. + /** Function that saves the image for other file formats that are not natively handled by CImg, + using the tool 'gm' from the GraphicsMagick package.\n + This is the case for all compressed image formats (GIF,PNG,JPG,TIF, ...). You need to install + the GraphicsMagick package in order to get + this function working properly (see http://www.graphicsmagick.org ). + **/ + const CImg<T>& save_graphicsmagick_external(const char *const filename, const unsigned int quality=100) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_graphicsmagick_external() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_graphicsmagick_external() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + char command[1024],filetmp[512]; + cimg_std::FILE *file; + do { + if (dim==1) cimg_std::sprintf(filetmp,"%s%s%s.pgm",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand()); + else cimg_std::sprintf(filetmp,"%s%s%s.ppm",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand()); + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + save_pnm(filetmp); + cimg_std::sprintf(command,"%s -quality %u%% %s \"%s\"",cimg::graphicsmagick_path(),quality,filetmp,filename); + cimg::system(command); + file = cimg_std::fopen(filename,"rb"); + if (!file) + throw CImgIOException("CImg<%s>::save_graphicsmagick_external() : Failed to save image '%s'.\n\n" + "Path of 'gm' : \"%s\"\n" + "Path of temporary filename : \"%s\"\n", + pixel_type(),filename,cimg::graphicsmagick_path(),filetmp); + if (file) cimg::fclose(file); + cimg_std::remove(filetmp); + return *this; + } + + //! Save an image as a gzipped file, using external tool 'gzip'. + const CImg<T>& save_gzip_external(const char *const filename) const { + if (!filename) + throw CImgIOException("CImg<%s>::save_gzip_external() : Cannot save (null) filename.", + pixel_type()); + char command[1024], filetmp[512], body[512]; + const char + *ext = cimg::split_filename(filename,body), + *ext2 = cimg::split_filename(body,0); + cimg_std::FILE *file; + do { + if (!cimg::strcasecmp(ext,"gz")) { + if (*ext2) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext2); + else cimg_std::sprintf(filetmp,"%s%s%s.cimg",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } else { + if (*ext) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext); + else cimg_std::sprintf(filetmp,"%s%s%s.cimg",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + save(filetmp); + cimg_std::sprintf(command,"%s -c %s > \"%s\"",cimg::gzip_path(),filetmp,filename); + cimg::system(command); + file = cimg_std::fopen(filename,"rb"); + if (!file) + throw CImgIOException("CImgList<%s>::save_gzip_external() : File '%s' cannot be saved.", + pixel_type(),filename); + else cimg::fclose(file); + cimg_std::remove(filetmp); + return *this; + } + + //! Save the image using ImageMagick's convert. + /** Function that saves the image for other file formats that are not natively handled by CImg, + using the tool 'convert' from the ImageMagick package.\n + This is the case for all compressed image formats (GIF,PNG,JPG,TIF, ...). You need to install + the ImageMagick package in order to get + this function working properly (see http://www.imagemagick.org ). + **/ + const CImg<T>& save_imagemagick_external(const char *const filename, const unsigned int quality=100) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_imagemagick_external() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_imagemagick_external() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + char command[1024], filetmp[512]; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand(),dim==1?"pgm":"ppm"); + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + save_pnm(filetmp); + cimg_std::sprintf(command,"%s -quality %u%% %s \"%s\"",cimg::imagemagick_path(),quality,filetmp,filename); + cimg::system(command); + file = cimg_std::fopen(filename,"rb"); + if (!file) + throw CImgIOException("CImg<%s>::save_imagemagick_external() : Failed to save image '%s'.\n\n" + "Path of 'convert' : \"%s\"\n" + "Path of temporary filename : \"%s\"\n", + pixel_type(),filename,cimg::imagemagick_path(),filetmp); + if (file) cimg::fclose(file); + cimg_std::remove(filetmp); + return *this; + } + + //! Save an image as a Dicom file (need '(X)Medcon' : http://xmedcon.sourceforge.net ) + const CImg<T>& save_medcon_external(const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_medcon_external() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save_medcon_external() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type(),width,height,depth,dim,data); + + char command[1024], filetmp[512], body[512]; + cimg_std::FILE *file; + do { + cimg_std::sprintf(filetmp,"%s.hdr",cimg::filenamerand()); + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + save_analyze(filetmp); + cimg_std::sprintf(command,"%s -w -c dicom -o %s -f %s",cimg::medcon_path(),filename,filetmp); + cimg::system(command); + cimg_std::remove(filetmp); + cimg::split_filename(filetmp,body); + cimg_std::sprintf(filetmp,"%s.img",body); + cimg_std::remove(filetmp); + cimg_std::sprintf(command,"m000-%s",filename); + file = cimg_std::fopen(command,"rb"); + if (!file) { + cimg::fclose(cimg::fopen(filename,"r")); + throw CImgIOException("CImg<%s>::save_medcon_external() : Failed to save image '%s'.\n\n" + "Path of 'medcon' : \"%s\"\n" + "Path of temporary filename : \"%s\"", + pixel_type(),filename,cimg::medcon_path(),filetmp); + } else cimg::fclose(file); + cimg_std::rename(command,filename); + return *this; + } + + // Try to save the image if other extension is provided. + const CImg<T>& save_other(const char *const filename, const unsigned int quality=100) const { + if (is_empty()) + throw CImgInstanceException("CImg<%s>::save_other() : File '%s', instance image (%u,%u,%u,%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",width,height,depth,dim,data); + if (!filename) + throw CImgIOException("CImg<%s>::save_other() : Instance image (%u,%u,%u,%u,%p), specified filename is (null).", + pixel_type()); + const unsigned int odebug = cimg::exception_mode(); + bool is_saved = true; + cimg::exception_mode() = 0; + try { save_magick(filename); } + catch (CImgException&) { + try { save_imagemagick_external(filename,quality); } + catch (CImgException&) { + try { save_graphicsmagick_external(filename,quality); } + catch (CImgException&) { + is_saved = false; + } + } + } + cimg::exception_mode() = odebug; + if (!is_saved) + throw CImgIOException("CImg<%s>::save_other() : File '%s' cannot be saved.\n" + "Check you have either the ImageMagick or GraphicsMagick package installed.", + pixel_type(),filename); + return *this; + } + + // Get a 40x38 color logo of a 'danger' item (internal). + static CImg<T> logo40x38() { + static bool first_time = true; + static CImg<T> res(40,38,1,3); + if (first_time) { + const unsigned char *ptrs = cimg::logo40x38; + T *ptr1 = res.ptr(0,0,0,0), *ptr2 = res.ptr(0,0,0,1), *ptr3 = res.ptr(0,0,0,2); + for (unsigned int off = 0; off<res.width*res.height;) { + const unsigned char n = *(ptrs++), r = *(ptrs++), g = *(ptrs++), b = *(ptrs++); + for (unsigned int l=0; l<n; ++off, ++l) { *(ptr1++) = (T)r; *(ptr2++) = (T)g; *(ptr3++) = (T)b; } + } + first_time = false; + } + return res; + } + + }; + + /* + #----------------------------------------- + # + # + # + # Definition of the CImgList<> structure + # + # + # + #------------------------------------------ + */ + + //! Class representing list of images CImg<T>. + template<typename T> + struct CImgList { + + //! Size of the list (number of elements inside). + unsigned int size; + + //! Allocation size of the list. + unsigned int allocsize; + + //! Pointer to the first list element. + CImg<T> *data; + + //! Define a CImgList<T>::iterator. + typedef CImg<T>* iterator; + + //! Define a CImgList<T>::const_iterator. + typedef const CImg<T>* const_iterator; + + //! Get value type. + typedef T value_type; + + // Define common T-dependant types. + typedef typename cimg::superset<T,bool>::type Tbool; + typedef typename cimg::superset<T,unsigned char>::type Tuchar; + typedef typename cimg::superset<T,char>::type Tchar; + typedef typename cimg::superset<T,unsigned short>::type Tushort; + typedef typename cimg::superset<T,short>::type Tshort; + typedef typename cimg::superset<T,unsigned int>::type Tuint; + typedef typename cimg::superset<T,int>::type Tint; + typedef typename cimg::superset<T,unsigned long>::type Tulong; + typedef typename cimg::superset<T,long>::type Tlong; + typedef typename cimg::superset<T,float>::type Tfloat; + typedef typename cimg::superset<T,double>::type Tdouble; + typedef typename cimg::last<T,bool>::type boolT; + typedef typename cimg::last<T,unsigned char>::type ucharT; + typedef typename cimg::last<T,char>::type charT; + typedef typename cimg::last<T,unsigned short>::type ushortT; + typedef typename cimg::last<T,short>::type shortT; + typedef typename cimg::last<T,unsigned int>::type uintT; + typedef typename cimg::last<T,int>::type intT; + typedef typename cimg::last<T,unsigned long>::type ulongT; + typedef typename cimg::last<T,long>::type longT; + typedef typename cimg::last<T,float>::type floatT; + typedef typename cimg::last<T,double>::type doubleT; + + //@} + //--------------------------- + // + //! \name Plugins + //@{ + //--------------------------- +#ifdef cimglist_plugin +#include cimglist_plugin +#endif +#ifdef cimglist_plugin1 +#include cimglist_plugin1 +#endif +#ifdef cimglist_plugin2 +#include cimglist_plugin2 +#endif +#ifdef cimglist_plugin3 +#include cimglist_plugin3 +#endif +#ifdef cimglist_plugin4 +#include cimglist_plugin4 +#endif +#ifdef cimglist_plugin5 +#include cimglist_plugin5 +#endif +#ifdef cimglist_plugin6 +#include cimglist_plugin6 +#endif +#ifdef cimglist_plugin7 +#include cimglist_plugin7 +#endif +#ifdef cimglist_plugin8 +#include cimglist_plugin8 +#endif + //@} + + //------------------------------------------ + // + //! \name Constructors - Destructor - Copy + //@{ + //------------------------------------------ + + //! Destructor. + ~CImgList() { + if (data) delete[] data; + } + + //! Default constructor. + CImgList(): + size(0),allocsize(0),data(0) {} + + //! Construct an image list containing n empty images. + explicit CImgList(const unsigned int n): + size(n) { + data = new CImg<T>[allocsize = cimg::max(16UL,cimg::nearest_pow2(n))]; + } + + //! Default copy constructor. + template<typename t> + CImgList(const CImgList<t>& list): + size(0),allocsize(0),data(0) { + assign(list.size); + cimglist_for(*this,l) data[l].assign(list[l],false); + } + + CImgList(const CImgList<T>& list): + size(0),allocsize(0),data(0) { + assign(list.size); + cimglist_for(*this,l) data[l].assign(list[l],list[l].is_shared); + } + + //! Advanced copy constructor. + template<typename t> + CImgList(const CImgList<t>& list, const bool shared): + size(0),allocsize(0),data(0) { + assign(list.size); + if (shared) + throw CImgArgumentException("CImgList<%s>::CImgList() : Cannot construct a list instance with shared images from " + "a CImgList<%s> (different pixel types).", + pixel_type(),CImgList<t>::pixel_type()); + cimglist_for(*this,l) data[l].assign(list[l],false); + } + + CImgList(const CImgList<T>& list, const bool shared): + size(0),allocsize(0),data(0) { + assign(list.size); + cimglist_for(*this,l) data[l].assign(list[l],shared); + } + + //! Construct an image list containing n images with specified size. + CImgList(const unsigned int n, const unsigned int width, const unsigned int height=1, + const unsigned int depth=1, const unsigned int dim=1): + size(0),allocsize(0),data(0) { + assign(n); + cimglist_for(*this,l) data[l].assign(width,height,depth,dim); + } + + //! Construct an image list containing n images with specified size, filled with specified value. + CImgList(const unsigned int n, const unsigned int width, const unsigned int height, + const unsigned int depth, const unsigned int dim, const T val): + size(0),allocsize(0),data(0) { + assign(n); + cimglist_for(*this,l) data[l].assign(width,height,depth,dim,val); + } + + //! Construct an image list containing n images with specified size and specified pixel values (int version). + CImgList(const unsigned int n, const unsigned int width, const unsigned int height, + const unsigned int depth, const unsigned int dim, const int val0, const int val1, ...): + size(0),allocsize(0),data(0) { +#define _CImgList_stdarg(t) { \ + assign(n,width,height,depth,dim); \ + const unsigned int siz = width*height*depth*dim, nsiz = siz*n; \ + T *ptrd = data->data; \ + va_list ap; \ + va_start(ap,val1); \ + for (unsigned int l=0, s=0, i=0; i<nsiz; ++i) { \ + *(ptrd++) = (T)(i==0?val0:(i==1?val1:va_arg(ap,t))); \ + if ((++s)==siz) { ptrd = data[++l].data; s=0; } \ + } \ + va_end(ap); \ + } + _CImgList_stdarg(int); + } + + //! Construct an image list containing n images with specified size and specified pixel values (double version). + CImgList(const unsigned int n, const unsigned int width, const unsigned int height, + const unsigned int depth, const unsigned int dim, const double val0, const double val1, ...): + size(0),allocsize(0),data(0) { + _CImgList_stdarg(double); + } + + //! Construct a list containing n copies of the image img. + template<typename t> + CImgList(const unsigned int n, const CImg<t>& img): + size(0),allocsize(0),data(0) { + assign(n); + cimglist_for(*this,l) data[l].assign(img,img.is_shared); + } + + //! Construct a list containing n copies of the image img, forcing the shared state. + template<typename t> + CImgList(const unsigned int n, const CImg<t>& img, const bool shared): + size(0),allocsize(0),data(0) { + assign(n); + cimglist_for(*this,l) data[l].assign(img,shared); + } + + //! Construct an image list from one image. + template<typename t> + explicit CImgList(const CImg<t>& img): + size(0),allocsize(0),data(0) { + assign(1); + data[0].assign(img,img.is_shared); + } + + //! Construct an image list from one image, forcing the shared state. + template<typename t> + explicit CImgList(const CImg<t>& img, const bool shared): + size(0),allocsize(0),data(0) { + assign(1); + data[0].assign(img,shared); + } + + //! Construct an image list from two images. + template<typename t1, typename t2> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2): + size(0),allocsize(0),data(0) { + assign(2); + data[0].assign(img1,img1.is_shared); data[1].assign(img2,img2.is_shared); + } + + //! Construct an image list from two images, forcing the shared state. + template<typename t1, typename t2> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const bool shared): + size(0),allocsize(0),data(0) { + assign(2); + data[0].assign(img1,shared); data[1].assign(img2,shared); + } + + //! Construct an image list from three images. + template<typename t1, typename t2, typename t3> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3): + size(0),allocsize(0),data(0) { + assign(3); + data[0].assign(img1,img1.is_shared); data[1].assign(img2,img2.is_shared); data[2].assign(img3,img3.is_shared); + } + + //! Construct an image list from three images, forcing the shared state. + template<typename t1, typename t2, typename t3> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const bool shared): + size(0),allocsize(0),data(0) { + assign(3); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); + } + + //! Construct an image list from four images. + template<typename t1, typename t2, typename t3, typename t4> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4): + size(0),allocsize(0),data(0) { + assign(4); + data[0].assign(img1,img1.is_shared); data[1].assign(img2,img2.is_shared); data[2].assign(img3,img3.is_shared); data[3].assign(img4,img4.is_shared); + } + + //! Construct an image list from four images, forcing the shared state. + template<typename t1, typename t2, typename t3, typename t4> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, const bool shared): + size(0),allocsize(0),data(0) { + assign(4); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + } + + //! Construct an image list from five images. + template<typename t1, typename t2, typename t3, typename t4, typename t5> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5): + size(0),allocsize(0),data(0) { + assign(5); + data[0].assign(img1,img1.is_shared); data[1].assign(img2,img2.is_shared); data[2].assign(img3,img3.is_shared); data[3].assign(img4,img4.is_shared); + data[4].assign(img5,img5.is_shared); + } + + //! Construct an image list from five images, forcing the shared state. + template<typename t1, typename t2, typename t3, typename t4, typename t5> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const bool shared): + size(0),allocsize(0),data(0) { + assign(5); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); + } + + //! Construct an image list from six images. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6): + size(0),allocsize(0),data(0) { + assign(6); + data[0].assign(img1,img1.is_shared); data[1].assign(img2,img2.is_shared); data[2].assign(img3,img3.is_shared); data[3].assign(img4,img4.is_shared); + data[4].assign(img5,img5.is_shared); data[5].assign(img6,img6.is_shared); + } + + //! Construct an image list from six images, forcing the shared state. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const bool shared): + size(0),allocsize(0),data(0) { + assign(6); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); data[5].assign(img6,shared); + } + + //! Construct an image list from seven images. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6, typename t7> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const CImg<t7>& img7): + size(0),allocsize(0),data(0) { + assign(7); + data[0].assign(img1,img1.is_shared); data[1].assign(img2,img2.is_shared); data[2].assign(img3,img3.is_shared); data[3].assign(img4,img4.is_shared); + data[4].assign(img5,img5.is_shared); data[5].assign(img6,img6.is_shared); data[6].assign(img7,img7.is_shared); + } + + //! Construct an image list from seven images, forcing the shared state. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6, typename t7> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const CImg<t7>& img7, const bool shared): + size(0),allocsize(0),data(0) { + assign(7); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); data[5].assign(img6,shared); data[6].assign(img7,shared); + } + + //! Construct an image list from eight images. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6, typename t7, typename t8> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const CImg<t7>& img7, const CImg<t8>& img8): + size(0),allocsize(0),data(0) { + assign(8); + data[0].assign(img1,img1.is_shared); data[1].assign(img2,img2.is_shared); data[2].assign(img3,img3.is_shared); data[3].assign(img4,img4.is_shared); + data[4].assign(img5,img5.is_shared); data[5].assign(img6,img6.is_shared); data[6].assign(img7,img7.is_shared); data[7].assign(img8,img8.is_shared); + } + + //! Construct an image list from eight images, forcing the shared state. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6, typename t7, typename t8> + CImgList(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const CImg<t7>& img7, const CImg<t8>& img8, const bool shared): + size(0),allocsize(0),data(0) { + assign(8); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); data[5].assign(img6,shared); data[6].assign(img7,shared); data[7].assign(img8,shared); + } + + //! Construct an image list from a filename. + CImgList(const char *const filename): + size(0),allocsize(0),data(0) { + assign(filename); + } + + //! In-place version of the default constructor and default destructor. + CImgList<T>& assign() { + if (data) delete[] data; + size = allocsize = 0; + data = 0; + return *this; + } + + //! Equivalent to assign() (STL-compliant name). + CImgList<T>& clear() { + return assign(); + } + + //! In-place version of the corresponding constructor. + CImgList<T>& assign(const unsigned int n) { + if (n) { + if (allocsize<n || allocsize>(n<<2)) { + if (data) delete[] data; + data = new CImg<T>[allocsize=cimg::max(16UL,cimg::nearest_pow2(n))]; + } + size = n; + } else assign(); + return *this; + } + + //! In-place version of the corresponding constructor. + CImgList<T>& assign(const unsigned int n, const unsigned int width, const unsigned int height=1, + const unsigned int depth=1, const unsigned int dim=1) { + assign(n); + cimglist_for(*this,l) data[l].assign(width,height,depth,dim); + return *this; + } + + //! In-place version of the corresponding constructor. + CImgList<T>& assign(const unsigned int n, const unsigned int width, const unsigned int height, + const unsigned int depth, const unsigned int dim, const T val) { + assign(n); + cimglist_for(*this,l) data[l].assign(width,height,depth,dim,val); + return *this; + } + + //! In-place version of the corresponding constructor. + CImgList<T>& assign(const unsigned int n, const unsigned int width, const unsigned int height, + const unsigned int depth, const unsigned int dim, const int val0, const int val1, ...) { + _CImgList_stdarg(int); + return *this; + } + + //! In-place version of the corresponding constructor. + CImgList<T>& assign(const unsigned int n, const unsigned int width, const unsigned int height, + const unsigned int depth, const unsigned int dim, const double val0, const double val1, ...) { + _CImgList_stdarg(double); + return *this; + } + + //! In-place version of the copy constructor. + template<typename t> + CImgList<T>& assign(const CImgList<t>& list) { + assign(list.size); + cimglist_for(*this,l) data[l].assign(list[l],list[l].is_shared); + return *this; + } + + //! In-place version of the copy constructor. + template<typename t> + CImgList<T>& assign(const CImgList<t>& list, const bool shared) { + assign(list.size); + cimglist_for(*this,l) data[l].assign(list[l],shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t> + CImgList<T>& assign(const unsigned int n, const CImg<t>& img, const bool shared=false) { + assign(n); + cimglist_for(*this,l) data[l].assign(img,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t> + CImgList<T>& assign(const CImg<t>& img, const bool shared=false) { + assign(1); + data[0].assign(img,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t1, typename t2> + CImgList<T>& assign(const CImg<t1>& img1, const CImg<t2>& img2, const bool shared=false) { + assign(2); + data[0].assign(img1,shared); data[1].assign(img2,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t1, typename t2, typename t3> + CImgList<T>& assign(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const bool shared=false) { + assign(3); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t1, typename t2, typename t3, typename t4> + CImgList<T>& assign(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const bool shared=false) { + assign(4); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t1, typename t2, typename t3, typename t4, typename t5> + CImgList<T>& assign(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const bool shared=false) { + assign(5); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6> + CImgList<T>& assign(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const bool shared=false) { + assign(6); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); data[5].assign(img6,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6, typename t7> + CImgList<T>& assign(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const CImg<t7>& img7, const bool shared=false) { + assign(7); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); data[5].assign(img6,shared); data[6].assign(img7,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + template<typename t1, typename t2, typename t3, typename t4, typename t5, typename t6, typename t7, typename t8> + CImgList<T>& assign(const CImg<t1>& img1, const CImg<t2>& img2, const CImg<t3>& img3, const CImg<t4>& img4, + const CImg<t5>& img5, const CImg<t6>& img6, const CImg<t7>& img7, const CImg<t8>& img8, const bool shared=false) { + assign(8); + data[0].assign(img1,shared); data[1].assign(img2,shared); data[2].assign(img3,shared); data[3].assign(img4,shared); + data[4].assign(img5,shared); data[5].assign(img6,shared); data[6].assign(img7,shared); data[7].assign(img8,shared); + return *this; + } + + //! In-place version of the corresponding constructor. + CImgList<T>& assign(const char *const filename) { + return load(filename); + } + + //! Transfer the content of the instance image list into another one. + template<typename t> + CImgList<T>& transfer_to(CImgList<t>& list) { + list.assign(*this); + assign(); + return list; + } + + CImgList<T>& transfer_to(CImgList<T>& list) { + list.assign(); + return swap(list); + } + + //! Swap all fields of two CImgList instances (use with care !) + CImgList<T>& swap(CImgList<T>& list) { + cimg::swap(size,list.size); + cimg::swap(allocsize,list.allocsize); + cimg::swap(data,list.data); + return list; + } + + //! Return a string describing the type of the image pixels in the list (template parameter \p T). + static const char* pixel_type() { + return cimg::type<T>::string(); + } + + //! Return \p true if list is empty. + bool is_empty() const { + return (!data || !size); + } + + //! Return \p true if list is not empty. + operator bool() const { + return !is_empty(); + } + + //! Return \p true if list if of specified size. + bool is_sameN(const unsigned int n) const { + return (size==n); + } + + //! Return \p true if list if of specified size. + template<typename t> + bool is_sameN(const CImgList<t>& list) const { + return (size==list.size); + } + + // Define useful dimension check functions. + // (not documented because they are macro-generated). +#define _cimglist_def_is_same1(axis) \ + bool is_same##axis(const unsigned int val) const { \ + bool res = true; for (unsigned int l = 0; l<size && res; ++l) res = data[l].is_same##axis(val); return res; \ + } \ + bool is_sameN##axis(const unsigned int n, const unsigned int val) const { \ + return is_sameN(n) && is_same##axis(val); \ + } \ + +#define _cimglist_def_is_same2(axis1,axis2) \ + bool is_same##axis1##axis2(const unsigned int val1, const unsigned int val2) const { \ + bool res = true; for (unsigned int l = 0; l<size && res; ++l) res = data[l].is_same##axis1##axis2(val1,val2); return res; \ + } \ + bool is_sameN##axis1##axis2(const unsigned int n, const unsigned int val1, const unsigned int val2) const { \ + return is_sameN(n) && is_same##axis1##axis2(val1,val2); \ + } \ + +#define _cimglist_def_is_same3(axis1,axis2,axis3) \ + bool is_same##axis1##axis2##axis3(const unsigned int val1, const unsigned int val2, const unsigned int val3) const { \ + bool res = true; for (unsigned int l = 0; l<size && res; ++l) res = data[l].is_same##axis1##axis2##axis3(val1,val2,val3); return res; \ + } \ + bool is_sameN##axis1##axis2##axis3(const unsigned int n, const unsigned int val1, const unsigned int val2, const unsigned int val3) const { \ + return is_sameN(n) && is_same##axis1##axis2##axis3(val1,val2,val3); \ + } \ + +#define _cimglist_def_is_same(axis) \ + template<typename t> bool is_same##axis(const CImg<t>& img) const { \ + bool res = true; for (unsigned int l = 0; l<size && res; ++l) res = data[l].is_same##axis(img); return res; \ + } \ + template<typename t> bool is_same##axis(const CImgList<t>& list) const { \ + const unsigned int lmin = cimg::min(size,list.size); \ + bool res = true; for (unsigned int l = 0; l<lmin && res; ++l) res = data[l].is_same##axis(list[l]); return res; \ + } \ + template<typename t> bool is_sameN##axis(const unsigned int n, const CImg<t>& img) const { \ + return (is_sameN(n) && is_same##axis(img)); \ + } \ + template<typename t> bool is_sameN##axis(const CImgList<t>& list) const { \ + return (is_sameN(list) && is_same##axis(list)); \ + } + + _cimglist_def_is_same(XY) + _cimglist_def_is_same(XZ) + _cimglist_def_is_same(XV) + _cimglist_def_is_same(YZ) + _cimglist_def_is_same(YV) + _cimglist_def_is_same(XYZ) + _cimglist_def_is_same(XYV) + _cimglist_def_is_same(YZV) + _cimglist_def_is_same(XYZV) + _cimglist_def_is_same1(X) + _cimglist_def_is_same1(Y) + _cimglist_def_is_same1(Z) + _cimglist_def_is_same1(V) + _cimglist_def_is_same2(X,Y) + _cimglist_def_is_same2(X,Z) + _cimglist_def_is_same2(X,V) + _cimglist_def_is_same2(Y,Z) + _cimglist_def_is_same2(Y,V) + _cimglist_def_is_same2(Z,V) + _cimglist_def_is_same3(X,Y,Z) + _cimglist_def_is_same3(X,Y,V) + _cimglist_def_is_same3(X,Z,V) + _cimglist_def_is_same3(Y,Z,V) + + bool is_sameXYZV(const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv) const { + bool res = true; + for (unsigned int l = 0; l<size && res; ++l) res = data[l].is_sameXYZV(dx,dy,dz,dv); + return res; + } + + bool is_sameNXYZV(const unsigned int n, const unsigned int dx, const unsigned int dy, const unsigned int dz, const unsigned int dv) const { + return is_sameN(n) && is_sameXYZV(dx,dy,dz,dv); + } + + //! Return \c true if the list contains the pixel (n,x,y,z,v). + bool containsNXYZV(const int n, const int x=0, const int y=0, const int z=0, const int v=0) const { + if (is_empty()) return false; + return n>=0 && n<(int)size && x>=0 && x<data[n].dimx() && y>=0 && y<data[n].dimy() && z>=0 && z<data[n].dimz() && v>=0 && v<data[n].dimv(); + } + + //! Return \c true if the list contains the image (n). + bool containsN(const int n) const { + if (is_empty()) return false; + return n>=0 && n<(int)size; + } + + //! Return \c true if one of the image list contains the specified referenced value. If true, set coordinates (n,x,y,z,v). + template<typename t> + bool contains(const T& pixel, t& n, t& x, t&y, t& z, t& v) const { + if (is_empty()) return false; + cimglist_for(*this,l) if (data[l].contains(pixel,x,y,z,v)) { n = (t)l; return true; } + return false; + } + + //! Return \c true if one of the image list contains the specified referenced value. If true, set coordinates (n,x,y,z). + template<typename t> + bool contains(const T& pixel, t& n, t& x, t&y, t& z) const { + t v; + return contains(pixel,n,x,y,z,v); + } + + //! Return \c true if one of the image list contains the specified referenced value. If true, set coordinates (n,x,y). + template<typename t> + bool contains(const T& pixel, t& n, t& x, t&y) const { + t z,v; + return contains(pixel,n,x,y,z,v); + } + + //! Return \c true if one of the image list contains the specified referenced value. If true, set coordinates (n,x). + template<typename t> + bool contains(const T& pixel, t& n, t& x) const { + t y,z,v; + return contains(pixel,n,x,y,z,v); + } + + //! Return \c true if one of the image list contains the specified referenced value. If true, set coordinates (n). + template<typename t> + bool contains(const T& pixel, t& n) const { + t x,y,z,v; + return contains(pixel,n,x,y,z,v); + } + + //! Return \c true if one of the image list contains the specified referenced value. + bool contains(const T& pixel) const { + unsigned int n,x,y,z,v; + return contains(pixel,n,x,y,z,v); + } + + //! Return \c true if the list contains the image 'img'. If true, returns the position (n) of the image in the list. + template<typename t> + bool contains(const CImg<T>& img, t& n) const { + if (is_empty()) return false; + const CImg<T> *const ptr = &img; + cimglist_for(*this,i) if (data+i==ptr) { n = (t)i; return true; } + return false; + } + + //! Return \c true if the list contains the image img. + bool contains(const CImg<T>& img) const { + unsigned int n; + return contains(img,n); + } + + //@} + //------------------------------ + // + //! \name Arithmetics Operators + //@{ + //------------------------------ + + //! Assignment operator + template<typename t> + CImgList<T>& operator=(const CImgList<t>& list) { + return assign(list); + } + + CImgList<T>& operator=(const CImgList<T>& list) { + return assign(list); + } + + //! Assignment operator. + template<typename t> + CImgList<T>& operator=(const CImg<t>& img) { + cimglist_for(*this,l) data[l] = img; + return *this; + } + + //! Assignment operator. + CImgList<T>& operator=(const T val) { + cimglist_for(*this,l) data[l].fill(val); + return *this; + } + + //! Operator+. + CImgList<T> operator+() const { + return CImgList<T>(*this); + } + + //! Operator+=. +#ifdef cimg_use_visualcpp6 + CImgList<T>& operator+=(const T val) +#else + template<typename t> + CImgList<T>& operator+=(const t val) +#endif + { + cimglist_for(*this,l) (*this)[l]+=val; + return *this; + } + + //! Operator+=. + template<typename t> + CImgList<T>& operator+=(const CImgList<t>& list) { + const unsigned int sizemax = cimg::min(size,list.size); + for (unsigned int l=0; l<sizemax; ++l) (*this)[l]+=list[l]; + return *this; + } + + //! Operator++ (prefix). + CImgList<T>& operator++() { + cimglist_for(*this,l) ++(*this)[l]; + return *this; + } + + //! Operator++ (postfix). + CImgList<T> operator++(int) { + CImgList<T> copy(*this); + ++*this; + return copy; + } + + //! Operator-. + CImgList<T> operator-() const { + CImgList<T> res(size); + cimglist_for(res,l) res[l].assign(-data[l]); + return res; + } + + //! Operator-=. +#ifdef cimg_use_visualcpp6 + CImgList<T>& operator-=(const T val) +#else + template<typename t> + CImgList<T>& operator-=(const t val) +#endif + { + cimglist_for(*this,l) (*this)[l]-=val; + return *this; + } + + //! Operator-=. + template<typename t> + CImgList<T>& operator-=(const CImgList<t>& list) { + const unsigned int sizemax = min(size,list.size); + for (unsigned int l=0; l<sizemax; ++l) (*this)[l]-=list[l]; + return *this; + } + + //! Operator-- (prefix). + CImgList<T>& operator--() { + cimglist_for(*this,l) --(*this)[l]; + return *this; + } + + //! Operator-- (postfix). + CImgList<T> operator--(int) { + CImgList<T> copy(*this); + --*this; + return copy; + } + + //! Operator*=. +#ifdef cimg_use_visualcpp6 + CImgList<T>& operator*=(const double val) +#else + template<typename t> + CImgList<T>& operator*=(const t val) +#endif + { + cimglist_for(*this,l) (*this)[l]*=val; + return *this; + } + + //! Operator*=. + template<typename t> + CImgList<T>& operator*=(const CImgList<t>& list) { + const unsigned int N = cimg::min(size,list.size); + for (unsigned int l=0; l<N; ++l) (*this)[l]*=list[l]; + return this; + } + + //! Operator/=. +#ifdef cimg_use_visualcpp6 + CImgList<T>& operator/=(const double val) +#else + template<typename t> + CImgList<T>& operator/=(const t val) +#endif + { + cimglist_for(*this,l) (*this)[l]/=val; + return *this; + } + + //! Operator/=. + template<typename t> + CImgList<T>& operator/=(const CImgList<t>& list) { + const unsigned int N = cimg::min(size,list.size); + for (unsigned int l=0; l<N; ++l) (*this)[l]/=list[l]; + return this; + } + + //! Return a reference to the maximum pixel value of the instance list. + const T& max() const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::max() : Instance image list is empty.", + pixel_type()); + const T *ptrmax = data->data; + T max_value = *ptrmax; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) if ((*ptr)>max_value) max_value = *(ptrmax=ptr); + } + return *ptrmax; + } + + //! Return a reference to the maximum pixel value of the instance list. + T& max() { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::max() : Instance image list is empty.", + pixel_type()); + T *ptrmax = data->data; + T max_value = *ptrmax; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) if ((*ptr)>max_value) max_value = *(ptrmax=ptr); + } + return *ptrmax; + } + + //! Return a reference to the minimum pixel value of the instance list. + const T& min() const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::min() : Instance image list is empty.", + pixel_type()); + const T *ptrmin = data->data; + T min_value = *ptrmin; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) if ((*ptr)<min_value) min_value = *(ptrmin=ptr); + } + return *ptrmin; + } + + //! Return a reference to the minimum pixel value of the instance list. + T& min() { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::min() : Instance image list is empty.", + pixel_type()); + T *ptrmin = data->data; + T min_value = *ptrmin; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) if ((*ptr)<min_value) min_value = *(ptrmin=ptr); + } + return *ptrmin; + } + + //! Return a reference to the minimum pixel value of the instance list. + template<typename t> + const T& minmax(t& max_val) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::minmax() : Instance image list is empty.", + pixel_type()); + const T *ptrmin = data->data; + T min_value = *ptrmin, max_value = min_value; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) { + const T val = *ptr; + if (val<min_value) { min_value = val; ptrmin = ptr; } + if (val>max_value) max_value = val; + } + } + max_val = (t)max_value; + return *ptrmin; + } + + //! Return a reference to the minimum pixel value of the instance list. + template<typename t> + T& minmax(t& max_val) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::minmax() : Instance image list is empty.", + pixel_type()); + T *ptrmin = data->data; + T min_value = *ptrmin, max_value = min_value; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) { + const T val = *ptr; + if (val<min_value) { min_value = val; ptrmin = ptr; } + if (val>max_value) max_value = val; + } + } + max_val = (t)max_value; + return *ptrmin; + } + + //! Return a reference to the minimum pixel value of the instance list. + template<typename t> + const T& maxmin(t& min_val) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::maxmin() : Instance image list is empty.", + pixel_type()); + const T *ptrmax = data->data; + T min_value = *ptrmax, max_value = min_value; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) { + const T val = *ptr; + if (val>max_value) { max_value = val; ptrmax = ptr; } + if (val<min_value) min_value = val; + } + } + min_val = (t)min_value; + return *ptrmax; + } + + //! Return a reference to the minimum pixel value of the instance list. + template<typename t> + T& maxmin(t& min_val) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::maxmin() : Instance image list is empty.", + pixel_type()); + T *ptrmax = data->data; + T min_value = *ptrmax, max_value = min_value; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) { + const T val = *ptr; + if (val>max_value) { max_value = val; ptrmax = ptr; } + if (val<min_value) min_value = val; + } + } + min_val = (t)min_value; + return *ptrmax; + } + + //! Return the mean pixel value of the instance list. + double mean() const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::mean() : Instance image list is empty.", + pixel_type()); + double val = 0; + unsigned int siz = 0; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) val+=(double)*ptr; + siz+=img.size(); + } + return val/siz; + } + + //! Return the variance of the instance list. + double variance() { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::variance() : Instance image list is empty.", + pixel_type()); + double res = 0; + unsigned int siz = 0; + double S = 0, S2 = 0; + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_for(img,ptr,T) { const double val = (double)*ptr; S+=val; S2+=val*val; } + siz+=img.size(); + } + res = (S2 - S*S/siz)/siz; + return res; + } + + //! Compute a list of statistics vectors (min,max,mean,variance,xmin,ymin,zmin,vmin,xmax,ymax,zmax,vmax). + CImgList<T>& stats(const unsigned int variance_method=1) { + if (is_empty()) return *this; + cimglist_for(*this,l) data[l].stats(variance_method); + return *this; + } + + CImgList<Tfloat> get_stats(const unsigned int variance_method=1) const { + CImgList<Tfloat> res(size); + cimglist_for(*this,l) res[l] = data[l].get_stats(variance_method); + return res; + } + + //@} + //------------------------- + // + //! \name List Manipulation + //@{ + //------------------------- + + //! Return a reference to the i-th element of the image list. + CImg<T>& operator[](const unsigned int pos) { +#if cimg_debug>=3 + if (pos>=size) { + cimg::warn("CImgList<%s>::operator[] : bad list position %u, in a list of %u images", + pixel_type(),pos,size); + return *data; + } +#endif + return data[pos]; + } + + const CImg<T>& operator[](const unsigned int pos) const { +#if cimg_debug>=3 + if (pos>=size) { + cimg::warn("CImgList<%s>::operator[] : bad list position %u, in a list of %u images", + pixel_type(),pos,size); + return *data; + } +#endif + return data[pos]; + } + + //! Equivalent to CImgList<T>::operator[] + CImg<T>& operator()(const unsigned int pos) { + return (*this)[pos]; + } + + const CImg<T>& operator()(const unsigned int pos) const { + return (*this)[pos]; + } + + //! Return a reference to (x,y,z,v) pixel of the pos-th image of the list + T& operator()(const unsigned int pos, const unsigned int x, const unsigned int y=0, + const unsigned int z=0, const unsigned int v=0) { + return (*this)[pos](x,y,z,v); + } + const T& operator()(const unsigned int pos, const unsigned int x, const unsigned int y=0, + const unsigned int z=0, const unsigned int v=0) const { + return (*this)[pos](x,y,z,v); + } + + // This function is only here for template tricks. + T _display_object3d_at2(const int i, const int j) const { + return atNXY(i,0,j,0,0,0); + } + + //! Read an image in specified position. + CImg<T>& at(const int pos) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::at() : Instance list is empty.", + pixel_type()); + return data[pos<0?0:pos>=(int)size?(int)size-1:pos]; + } + + //! Read a pixel value with Dirichlet boundary conditions. + T& atNXYZV(const int pos, const int x, const int y, const int z, const int v, const T out_val) { + return (pos<0 || pos>=(int)size)?(cimg::temporary(out_val)=out_val):data[pos].atXYZV(x,y,z,v,out_val); + } + + T atNXYZV(const int pos, const int x, const int y, const int z, const int v, const T out_val) const { + return (pos<0 || pos>=(int)size)?out_val:data[pos].atXYZV(x,y,z,v,out_val); + } + + //! Read a pixel value with Neumann boundary conditions. + T& atNXYZV(const int pos, const int x, const int y, const int z, const int v) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNXYZV() : Instance list is empty.", + pixel_type()); + return _atNXYZV(pos,x,y,z,v); + } + + T atNXYZV(const int pos, const int x, const int y, const int z, const int v) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNXYZV() : Instance list is empty.", + pixel_type()); + return _atNXYZV(pos,x,y,z,v); + } + + T& _atNXYZV(const int pos, const int x, const int y, const int z, const int v) { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atXYZV(x,y,z,v); + } + + T _atNXYZV(const int pos, const int x, const int y, const int z, const int v) const { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atXYZV(x,y,z,v); + } + + //! Read a pixel value with Dirichlet boundary conditions for the four first coordinates (\c pos, \c x,\c y,\c z). + T& atNXYZ(const int pos, const int x, const int y, const int z, const int v, const T out_val) { + return (pos<0 || pos>=(int)size)?(cimg::temporary(out_val)=out_val):data[pos].atXYZ(x,y,z,v,out_val); + } + + T atNXYZ(const int pos, const int x, const int y, const int z, const int v, const T out_val) const { + return (pos<0 || pos>=(int)size)?out_val:data[pos].atXYZ(x,y,z,v,out_val); + } + + //! Read a pixel value with Neumann boundary conditions for the four first coordinates (\c pos, \c x,\c y,\c z). + T& atNXYZ(const int pos, const int x, const int y, const int z, const int v=0) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNXYZ() : Instance list is empty.", + pixel_type()); + return _atNXYZ(pos,x,y,z,v); + } + + T atNXYZ(const int pos, const int x, const int y, const int z, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNXYZ() : Instance list is empty.", + pixel_type()); + return _atNXYZ(pos,x,y,z,v); + } + + T& _atNXYZ(const int pos, const int x, const int y, const int z, const int v=0) { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atXYZ(x,y,z,v); + } + + T _atNXYZ(const int pos, const int x, const int y, const int z, const int v=0) const { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atXYZ(x,y,z,v); + } + + //! Read a pixel value with Dirichlet boundary conditions for the three first coordinates (\c pos, \c x,\c y). + T& atNXY(const int pos, const int x, const int y, const int z, const int v, const T out_val) { + return (pos<0 || pos>=(int)size)?(cimg::temporary(out_val)=out_val):data[pos].atXY(x,y,z,v,out_val); + } + + T atNXY(const int pos, const int x, const int y, const int z, const int v, const T out_val) const { + return (pos<0 || pos>=(int)size)?out_val:data[pos].atXY(x,y,z,v,out_val); + } + + //! Read a pixel value with Neumann boundary conditions for the three first coordinates (\c pos, \c x,\c y). + T& atNXY(const int pos, const int x, const int y, const int z=0, const int v=0) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNXY() : Instance list is empty.", + pixel_type()); + return _atNXY(pos,x,y,z,v); + } + + T atNXY(const int pos, const int x, const int y, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNXY() : Instance list is empty.", + pixel_type()); + return _atNXY(pos,x,y,z,v); + } + + T& _atNXY(const int pos, const int x, const int y, const int z=0, const int v=0) { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atXY(x,y,z,v); + } + + T _atNXY(const int pos, const int x, const int y, const int z=0, const int v=0) const { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atXY(x,y,z,v); + } + + //! Read a pixel value with Dirichlet boundary conditions for the two first coordinates (\c pos,\c x). + T& atNX(const int pos, const int x, const int y, const int z, const int v, const T out_val) { + return (pos<0 || pos>=(int)size)?(cimg::temporary(out_val)=out_val):data[pos].atX(x,y,z,v,out_val); + } + + T atNX(const int pos, const int x, const int y, const int z, const int v, const T out_val) const { + return (pos<0 || pos>=(int)size)?out_val:data[pos].atX(x,y,z,v,out_val); + } + + //! Read a pixel value with Neumann boundary conditions for the two first coordinates (\c pos, \c x). + T& atNX(const int pos, const int x, const int y=0, const int z=0, const int v=0) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNX() : Instance list is empty.", + pixel_type()); + return _atNX(pos,x,y,z,v); + } + + T atNX(const int pos, const int x, const int y=0, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atNX() : Instance list is empty.", + pixel_type()); + return _atNX(pos,x,y,z,v); + } + + T& _atNX(const int pos, const int x, const int y=0, const int z=0, const int v=0) { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atX(x,y,z,v); + } + + T _atNX(const int pos, const int x, const int y=0, const int z=0, const int v=0) const { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)].atX(x,y,z,v); + } + + //! Read a pixel value with Dirichlet boundary conditions for the first coordinates (\c pos). + T& atN(const int pos, const int x, const int y, const int z, const int v, const T out_val) { + return (pos<0 || pos>=(int)size)?(cimg::temporary(out_val)=out_val):(*this)(pos,x,y,z,v); + } + + T atN(const int pos, const int x, const int y, const int z, const int v, const T out_val) const { + return (pos<0 || pos>=(int)size)?out_val:(*this)(pos,x,y,z,v); + } + + //! Read a pixel value with Neumann boundary conditions for the first coordinates (\c pos). + T& atN(const int pos, const int x=0, const int y=0, const int z=0, const int v=0) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atN() : Instance list is empty.", + pixel_type()); + return _atN(pos,x,y,z,v); + } + + T atN(const int pos, const int x=0, const int y=0, const int z=0, const int v=0) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::atN() : Instance list is empty.", + pixel_type()); + return _atN(pos,x,y,z,v); + } + + T& _atN(const int pos, const int x=0, const int y=0, const int z=0, const int v=0) { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)](x,y,z,v); + } + + T _atN(const int pos, const int x=0, const int y=0, const int z=0, const int v=0) const { + return data[pos<0?0:(pos>=(int)size?(int)size-1:pos)](x,y,z,v); + } + + //! Returns a reference to the last element. + CImg<T>& back() { + return (*this)(size-1); + } + + const CImg<T>& back() const { + return (*this)(size-1); + } + + //! Returns a reference to the first element. + CImg<T>& front() { + return *data; + } + + const CImg<T>& front() const { + return *data; + } + + //! Returns an iterator to the beginning of the vector. + iterator begin() { + return data; + } + + const_iterator begin() const { + return data; + } + + //! Return a reference to the first image. + const CImg<T>& first() const { + return *data; + } + + CImg<T>& first() { + return *data; + } + + //! Returns an iterator just past the last element. + iterator end() { + return data + size; + } + + const_iterator end() const { + return data + size; + } + + //! Return a reference to the last image. + const CImg<T>& last() const { + return data[size - 1]; + } + + CImg<T>& last() { + return data[size - 1]; + } + + //! Insert a copy of the image \p img into the current image list, at position \p pos. + template<typename t> + CImgList<T>& insert(const CImg<t>& img, const unsigned int pos, const bool shared) { + const unsigned int npos = pos==~0U?size:pos; + if (npos>size) + throw CImgArgumentException("CImgList<%s>::insert() : Cannot insert at position %u into a list with %u elements", + pixel_type(),npos,size); + if (shared) + throw CImgArgumentException("CImgList<%s>::insert(): Cannot insert a shared image CImg<%s> into a CImgList<%s>", + pixel_type(),img.pixel_type(),pixel_type()); + CImg<T> *new_data = (++size>allocsize)?new CImg<T>[allocsize?(allocsize<<=1):(allocsize=16)]:0; + if (!size || !data) { + data = new_data; + *data = img; + } else { + if (new_data) { + if (npos) cimg_std::memcpy(new_data,data,sizeof(CImg<T>)*npos); + if (npos!=size-1) cimg_std::memcpy(new_data+npos+1,data+npos,sizeof(CImg<T>)*(size-1-npos)); + cimg_std::memset(data,0,sizeof(CImg<T>)*(size-1)); + delete[] data; + data = new_data; + } + else if (npos!=size-1) cimg_std::memmove(data+npos+1,data+npos,sizeof(CImg<T>)*(size-1-npos)); + data[npos].width = data[npos].height = data[npos].depth = data[npos].dim = 0; data[npos].data = 0; + data[npos] = img; + } + return *this; + } + + CImgList<T>& insert(const CImg<T>& img, const unsigned int pos, const bool shared) { + const unsigned int npos = pos==~0U?size:pos; + if (npos>size) + throw CImgArgumentException("CImgList<%s>::insert() : Can't insert at position %u into a list with %u elements", + pixel_type(),npos,size); + if (&img>=data && &img<data+size) return insert(+img,pos,shared); + CImg<T> *new_data = (++size>allocsize)?new CImg<T>[allocsize?(allocsize<<=1):(allocsize=16)]:0; + if (!size || !data) { + data = new_data; + if (shared && img) { + data->width = img.width; data->height = img.height; data->depth = img.depth; data->dim = img.dim; + data->is_shared = true; data->data = img.data; + } else *data = img; + } + else { + if (new_data) { + if (npos) cimg_std::memcpy(new_data,data,sizeof(CImg<T>)*npos); + if (npos!=size-1) cimg_std::memcpy(new_data+npos+1,data+npos,sizeof(CImg<T>)*(size-1-npos)); + if (shared && img) { + new_data[npos].width = img.width; new_data[npos].height = img.height; new_data[npos].depth = img.depth; + new_data[npos].dim = img.dim; new_data[npos].is_shared = true; new_data[npos].data = img.data; + } else { + new_data[npos].width = new_data[npos].height = new_data[npos].depth = new_data[npos].dim = 0; new_data[npos].data = 0; + new_data[npos] = img; + } + cimg_std::memset(data,0,sizeof(CImg<T>)*(size-1)); + delete[] data; + data = new_data; + } else { + if (npos!=size-1) cimg_std::memmove(data+npos+1,data+npos,sizeof(CImg<T>)*(size-1-npos)); + if (shared && img) { + data[npos].width = img.width; data[npos].height = img.height; data[npos].depth = img.depth; data[npos].dim = img.dim; + data[npos].is_shared = true; data[npos].data = img.data; + } else { + data[npos].width = data[npos].height = data[npos].depth = data[npos].dim = 0; data[npos].data = 0; + data[npos] = img; + } + } + } + return *this; + } + + // The two functions below are necessary due to Visual C++ 6.0 function overloading bugs, when + // default parameters are used in function signatures. + template<typename t> + CImgList<T>& insert(const CImg<t>& img, const unsigned int pos) { + return insert(img,pos,false); + } + + //! Insert a copy of the image \p img into the current image list, at position \p pos. + template<typename t> + CImgList<T>& insert(const CImg<t>& img) { + return insert(img,~0U,false); + } + + template<typename t> + CImgList<T> get_insert(const CImg<t>& img, const unsigned int pos=~0U, const bool shared=false) const { + return (+*this).insert(img,pos,shared); + } + + //! Insert n empty images img into the current image list, at position \p pos. + CImgList<T>& insert(const unsigned int n, const unsigned int pos=~0U) { + CImg<T> foo; + if (!n) return *this; + const unsigned int npos = pos==~0U?size:pos; + for (unsigned int i=0; i<n; ++i) insert(foo,npos+i); + return *this; + } + + CImgList<T> get_insert(const unsigned int n, const unsigned int pos=~0U) const { + return (+*this).insert(n,pos); + } + + //! Insert n copies of the image \p img into the current image list, at position \p pos. + template<typename t> + CImgList<T>& insert(const unsigned int n, const CImg<t>& img, const unsigned int pos=~0U, const bool shared=false) { + if (!n) return *this; + const unsigned int npos = pos==~0U?size:pos; + insert(img,npos,shared); + for (unsigned int i=1; i<n; ++i) insert(data[npos],npos+i,shared); + return *this; + } + + template<typename t> + CImgList<T> get_insert(const unsigned int n, const CImg<t>& img, const unsigned int pos=~0U, const bool shared=false) const { + return (+*this).insert(n,img,pos,shared); + } + + //! Insert a copy of the image list \p list into the current image list, starting from position \p pos. + template<typename t> + CImgList<T>& insert(const CImgList<t>& list, const unsigned int pos=~0U, const bool shared=false) { + const unsigned int npos = pos==~0U?size:pos; + if ((void*)this!=(void*)&list) cimglist_for(list,l) insert(list[l],npos+l,shared); + else insert(CImgList<T>(list),npos,shared); + return *this; + } + + template<typename t> + CImgList<T> get_insert(const CImgList<t>& list, const unsigned int pos=~0U, const bool shared=false) const { + return (+*this).insert(list,pos,shared); + } + + //! Insert n copies of the list \p list at position \p pos of the current list. + template<typename t> + CImgList<T>& insert(const unsigned int n, const CImgList<t>& list, const unsigned int pos=~0U, const bool shared=false) { + if (!n) return *this; + const unsigned int npos = pos==~0U?size:pos; + for (unsigned int i=0; i<n; ++i) insert(list,npos,shared); + return *this; + } + + template<typename t> + CImgList<T> get_insert(const unsigned int n, const CImgList<t>& list, const unsigned int pos=~0U, const bool shared=false) const { + return (+*this).insert(n,list,pos,shared); + } + + //! Insert a copy of the image \p img at the end of the current image list. + template<typename t> + CImgList<T>& operator<<(const CImg<t>& img) { + return insert(img); + } + + //! Insert a copy of the image list \p list at the end of the current image list. + template<typename t> + CImgList<T>& operator<<(const CImgList<t>& list) { + return insert(list); + } + + //! Return a copy of the current image list, where the image \p img has been inserted at the end. + template<typename t> + CImgList<T>& operator>>(CImg<t>& img) const { + typedef typename cimg::superset<T,t>::type Tt; + return CImgList<Tt>(*this).insert(img); + } + + //! Insert a copy of the current image list at the beginning of the image list \p list. + template<typename t> + CImgList<T>& operator>>(CImgList<t>& list) const { + return list.insert(*this,0); + } + + //! Remove the images at positions \p pos1 to \p pos2 from the image list. + CImgList<T>& remove(const unsigned int pos1, const unsigned int pos2) { + const unsigned int + npos1 = pos1<pos2?pos1:pos2, + tpos2 = pos1<pos2?pos2:pos1, + npos2 = tpos2<size?tpos2:size-1; + if (npos1>=size) + cimg::warn("CImgList<%s>::remove() : Cannot remove images from a list (%p,%u), at positions %u->%u.", + pixel_type(),data,size,npos1,tpos2); + else { + if (tpos2>=size) + cimg::warn("CImgList<%s>::remove() : Cannot remove all images from a list (%p,%u), at positions %u->%u.", + pixel_type(),data,size,npos1,tpos2); + for (unsigned int k = npos1; k<=npos2; ++k) data[k].assign(); + const unsigned int nb = 1 + npos2 - npos1; + if (!(size-=nb)) return assign(); + if (size>(allocsize>>2) || allocsize<=8) { // Removing items without reallocation. + if (npos1!=size) cimg_std::memmove(data+npos1,data+npos2+1,sizeof(CImg<T>)*(size-npos1)); + cimg_std::memset(data+size,0,sizeof(CImg<T>)*nb); + } else { // Removing items with reallocation. + allocsize>>=2; + while (allocsize>8 && size<(allocsize>>1)) allocsize>>=1; + CImg<T> *new_data = new CImg<T>[allocsize]; + if (npos1) cimg_std::memcpy(new_data,data,sizeof(CImg<T>)*npos1); + if (npos1!=size) cimg_std::memcpy(new_data+npos1,data+npos2+1,sizeof(CImg<T>)*(size-npos1)); + if (size!=allocsize) cimg_std::memset(new_data+size,0,sizeof(allocsize-size)); + cimg_std::memset(data,0,sizeof(CImg<T>)*(size+nb)); + delete[] data; + data = new_data; + } + } + return *this; + } + + CImgList<T> get_remove(const unsigned int pos1, const unsigned int pos2) const { + return (+*this).remove(pos1,pos2); + } + + //! Remove the image at position \p pos from the image list. + CImgList<T>& remove(const unsigned int pos) { + return remove(pos,pos); + } + + CImgList<T> get_remove(const unsigned int pos) const { + return (+*this).remove(pos); + } + + //! Remove the last image from the image list. + CImgList<T>& remove() { + if (size) return remove(size-1); + else cimg::warn("CImgList<%s>::remove() : List is empty", + pixel_type()); + return *this; + } + + CImgList<T> get_remove() const { + return (+*this).remove(); + } + + //! Reverse list order. + CImgList<T>& reverse() { + for (unsigned int l=0; l<size/2; ++l) (*this)[l].swap((*this)[size-1-l]); + return *this; + } + + CImgList<T> get_reverse() const { + return (+*this).reverse(); + } + + //! Get a sub-list. + CImgList<T>& crop(const unsigned int i0, const unsigned int i1, const bool shared=false) { + return get_crop(i0,i1,shared).transfer_to(*this); + } + + CImgList<T> get_crop(const unsigned int i0, const unsigned int i1, const bool shared=false) const { + if (i0>i1 || i1>=size) + throw CImgArgumentException("CImgList<%s>::crop() : Cannot crop a sub-list (%u->%u) from a list (%u,%p)", + pixel_type(),i0,i1,size,data); + CImgList<T> res(i1-i0+1); + cimglist_for(res,l) res[l].assign((*this)[i0+l],shared); + return res; + } + + //! Get sub-images of a sublist. + CImgList<T>& crop(const unsigned int i0, const unsigned int i1, + const int x0, const int y0, const int z0, const int v0, + const int x1, const int y1, const int z1, const int v1) { + return get_crop(i0,i1,x0,y0,z0,v0,x1,y1,z1,v1).transfer_to(*this); + } + + CImgList<T> get_crop(const unsigned int i0, const unsigned int i1, + const int x0, const int y0, const int z0, const int v0, + const int x1, const int y1, const int z1, const int v1) const { + if (i0>i1 || i1>=size) + throw CImgArgumentException("CImgList<%s>::crop() : Cannot crop a sub-list (%u->%u) from a list (%u,%p)", + pixel_type(),i0,i1,size,data); + CImgList<T> res(i1-i0+1); + cimglist_for(res,l) res[l] = (*this)[i0+l].get_crop(x0,y0,z0,v0,x1,y1,z1,v1); + return res; + } + + //! Get sub-images of a sublist. + CImgList<T>& crop(const unsigned int i0, const unsigned int i1, + const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1) { + return get_crop(i0,i1,x0,y0,z0,x1,y1,z1).transfer_to(*this); + } + + CImgList<T> get_crop(const unsigned int i0, const unsigned int i1, + const int x0, const int y0, const int z0, + const int x1, const int y1, const int z1) const { + if (i0>i1 || i1>=size) + throw CImgArgumentException("CImgList<%s>::crop() : Cannot crop a sub-list (%u->%u) from a list (%u,%p)", + pixel_type(),i0,i1,size,data); + CImgList<T> res(i1-i0+1); + cimglist_for(res,l) res[l] = (*this)[i0+l].get_crop(x0,y0,z0,x1,y1,z1); + return res; + } + + //! Get sub-images of a sublist. + CImgList<T>& crop(const unsigned int i0, const unsigned int i1, + const int x0, const int y0, + const int x1, const int y1) { + return get_crop(i0,i1,x0,y0,x1,y1).transfer_to(*this); + } + + CImgList<T> get_crop(const unsigned int i0, const unsigned int i1, + const int x0, const int y0, + const int x1, const int y1) const { + if (i0>i1 || i1>=size) + throw CImgArgumentException("CImgList<%s>::crop() : Cannot crop a sub-list (%u->%u) from a list (%u,%p)", + pixel_type(),i0,i1,size,data); + CImgList<T> res(i1-i0+1); + cimglist_for(res,l) res[l] = (*this)[i0+l].get_crop(x0,y0,x1,y1); + return res; + } + + //! Get sub-images of a sublist. + CImgList<T>& crop(const unsigned int i0, const unsigned int i1, + const int x0, const int x1) { + return get_crop(i0,i1,x0,x1).transfer_to(*this); + } + + CImgList<T> get_crop(const unsigned int i0, const unsigned int i1, + const int x0, const int x1) const { + if (i0>i1 || i1>=size) + throw CImgArgumentException("CImgList<%s>::crop() : Cannot crop a sub-list (%u->%u) from a list (%u,%p)", + pixel_type(),i0,i1,size,data); + CImgList<T> res(i1-i0+1); + cimglist_for(res,l) res[l] = (*this)[i0+l].get_crop(x0,x1); + return res; + } + + //! Display an image list into a CImgDisplay. + const CImgList<T>& operator>>(CImgDisplay& disp) const { + return display(disp); + } + + //! Insert image \p img at the end of the list. + template<typename t> + CImgList<T>& push_back(const CImg<t>& img) { + return insert(img); + } + + //! Insert image \p img at the front of the list. + template<typename t> + CImgList<T>& push_front(const CImg<t>& img) { + return insert(img,0); + } + + //! Insert list \p list at the end of the current list. + template<typename t> + CImgList<T>& push_back(const CImgList<t>& list) { + return insert(list); + } + + //! Insert list \p list at the front of the current list. + template<typename t> + CImgList<T>& push_front(const CImgList<t>& list) { + return insert(list,0); + } + + //! Remove last element of the list. + CImgList<T>& pop_back() { + return remove(size-1); + } + + //! Remove first element of the list. + CImgList<T>& pop_front() { + return remove(0); + } + + //! Remove the element pointed by iterator \p iter. + CImgList<T>& erase(const iterator iter) { + return remove(iter-data); + } + + //@} + //---------------------------- + // + //! \name Fourier Transforms + //@{ + //---------------------------- + + //! Compute the Fast Fourier Transform (along the specified axis). + CImgList<T>& FFT(const char axis, const bool invert=false) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::FFT() : Instance list (%u,%p) is empty", + pixel_type(),size,data); + if (!data[0]) + throw CImgInstanceException("CImgList<%s>::FFT() : Real part (%u,%u,%u,%u,%p) is empty", + pixel_type(),data[0].width,data[0].height,data[0].depth,data[0].dim,data[0].data); + if (size>2) + cimg::warn("CImgList<%s>::FFT() : Instance list (%u,%p) have more than 2 images", + pixel_type(),size,data); + if (size==1) insert(CImg<T>(data[0].width,data[0].height,data[0].depth,data[0].dim,0)); + CImg<T> &Ir = data[0], &Ii = data[1]; + if (Ir.width!=Ii.width || Ir.height!=Ii.height || Ir.depth!=Ii.depth || Ir.dim!=Ii.dim) + throw CImgInstanceException("CImgList<%s>::FFT() : Real part (%u,%u,%u,%u,%p) and imaginary part (%u,%u,%u,%u,%p)" + "have different dimensions", + pixel_type(),Ir.width,Ir.height,Ir.depth,Ir.dim,Ir.data,Ii.width,Ii.height,Ii.depth,Ii.dim,Ii.data); + +#ifdef cimg_use_fftw3 + fftw_complex *data_in; + fftw_plan data_plan; + + switch (cimg::uncase(axis)) { + case 'x' : { + data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex)*Ir.width); + data_plan = fftw_plan_dft_1d(Ir.width,data_in,data_in,invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); + cimg_forYZV(Ir,y,z,k) { + T *ptrr = Ir.ptr(0,y,z,k), *ptri = Ii.ptr(0,y,z,k); + double *ptrd = (double*)data_in; + cimg_forX(Ir,x) { *(ptrd++) = (double)*(ptrr++); *(ptrd++) = (double)*(ptri++); } + fftw_execute(data_plan); + const unsigned int fact = Ir.width; + if (invert) { cimg_forX(Ir,x) { *(--ptri) = (T)(*(--ptrd)/fact); *(--ptrr) = (T)(*(--ptrd)/fact); }} + else { cimg_forX(Ir,x) { *(--ptri) = (T)*(--ptrd); *(--ptrr) = (T)*(--ptrd); }} + } + } break; + + case 'y' : { + data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * Ir.height); + data_plan = fftw_plan_dft_1d(Ir.height,data_in,data_in,invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); + const unsigned int off = Ir.width; + cimg_forXZV(Ir,x,z,k) { + T *ptrr = Ir.ptr(x,0,z,k), *ptri = Ii.ptr(x,0,z,k); + double *ptrd = (double*)data_in; + cimg_forY(Ir,y) { *(ptrd++) = (double)*ptrr; *(ptrd++) = (double)*ptri; ptrr+=off; ptri+=off; } + fftw_execute(data_plan); + const unsigned int fact = Ir.height; + if (invert) { cimg_forY(Ir,y) { ptrr-=off; ptri-=off; *ptri = (T)(*(--ptrd)/fact); *ptrr = (T)(*(--ptrd)/fact); }} + else { cimg_forY(Ir,y) { ptrr-=off; ptri-=off; *ptri = (T)*(--ptrd); *ptrr = (T)*(--ptrd); }} + } + } break; + + case 'z' : { + data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * Ir.depth); + data_plan = fftw_plan_dft_1d(Ir.depth,data_in,data_in,invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); + const unsigned int off = Ir.width*Ir.height; + cimg_forXYV(Ir,x,y,k) { + T *ptrr = Ir.ptr(x,y,0,k), *ptri = Ii.ptr(x,y,0,k); + double *ptrd = (double*)data_in; + cimg_forZ(Ir,z) { *(ptrd++) = (double)*ptrr; *(ptrd++) = (double)*ptri; ptrr+=off; ptri+=off; } + fftw_execute(data_plan); + const unsigned int fact = Ir.depth; + if (invert) { cimg_forZ(Ir,z) { ptrr-=off; ptri-=off; *ptri = (T)(*(--ptrd)/fact); *ptrr = (T)(*(--ptrd)/fact); }} + else { cimg_forZ(Ir,z) { ptrr-=off; ptri-=off; *ptri = (T)*(--ptrd); *ptrr = (T)*(--ptrd); }} + } + } break; + + case 'v' : { + data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * Ir.dim); + data_plan = fftw_plan_dft_1d(Ir.dim,data_in,data_in,invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); + const unsigned int off = Ir.width*Ir.height*Ir.depth; + cimg_forXYZ(Ir,x,y,z) { + T *ptrr = Ir.ptr(x,y,z,0), *ptri = Ii.ptr(x,y,z,0); + double *ptrd = (double*)data_in; + cimg_forV(Ir,k) { *(ptrd++) = (double)*ptrr; *(ptrd++) = (double)*ptri; ptrr+=off; ptri+=off; } + fftw_execute(data_plan); + const unsigned int fact = Ir.dim; + if (invert) { cimg_forV(Ir,k) { ptrr-=off; ptri-=off; *ptri = (T)(*(--ptrd)/fact); *ptrr = (T)(*(--ptrd)/fact); }} + else { cimg_forV(Ir,k) { ptrr-=off; ptri-=off; *ptri = (T)*(--ptrd); *ptrr = (T)*(--ptrd); }} + } + } break; + } + + fftw_destroy_plan(data_plan); + fftw_free(data_in); +#else + switch (cimg::uncase(axis)) { + case 'x' : { // Fourier along X + const unsigned int N = Ir.width, N2 = (N>>1); + if (((N-1)&N) && N!=1) + throw CImgInstanceException("CImgList<%s>::FFT() : Dimension of instance image along 'x' is %d != 2^N", + pixel_type(),N); + for (unsigned int i=0, j=0; i<N2; ++i) { + if (j>i) cimg_forYZV(Ir,y,z,v) { cimg::swap(Ir(i,y,z,v),Ir(j,y,z,v)); cimg::swap(Ii(i,y,z,v),Ii(j,y,z,v)); + if (j<N2) { + const unsigned int ri = N-1-i, rj = N-1-j; + cimg::swap(Ir(ri,y,z,v),Ir(rj,y,z,v)); cimg::swap(Ii(ri,y,z,v),Ii(rj,y,z,v)); + }} + for (unsigned int m=N, n=N2; (j+=n)>=m; j-=m, m=n, n>>=1) {} + } + for (unsigned int delta=2; delta<=N; delta<<=1) { + const unsigned int delta2 = (delta>>1); + for (unsigned int i=0; i<N; i+=delta) { + float wr = 1, wi = 0; + const float angle = (float)((invert?+1:-1)*2*cimg::valuePI/delta), + ca = (float)cimg_std::cos(angle), + sa = (float)cimg_std::sin(angle); + for (unsigned int k=0; k<delta2; ++k) { + const unsigned int j = i + k, nj = j + delta2; + cimg_forYZV(Ir,y,z,k) { + T &ir = Ir(j,y,z,k), &ii = Ii(j,y,z,k), &nir = Ir(nj,y,z,k), &nii = Ii(nj,y,z,k); + const float tmpr = (float)(wr*nir - wi*nii), tmpi = (float)(wr*nii + wi*nir); + nir = (T)(ir - tmpr); + nii = (T)(ii - tmpi); + ir += (T)tmpr; + ii += (T)tmpi; + } + const float nwr = wr*ca-wi*sa; + wi = wi*ca + wr*sa; + wr = nwr; + } + } + } + if (invert) (*this)/=N; + } break; + + case 'y' : { // Fourier along Y + const unsigned int N = Ir.height, N2 = (N>>1); + if (((N-1)&N) && N!=1) + throw CImgInstanceException("CImgList<%s>::FFT() : Dimension of instance image(s) along 'y' is %d != 2^N", + pixel_type(),N); + for (unsigned int i=0, j=0; i<N2; ++i) { + if (j>i) cimg_forXZV(Ir,x,z,v) { cimg::swap(Ir(x,i,z,v),Ir(x,j,z,v)); cimg::swap(Ii(x,i,z,v),Ii(x,j,z,v)); + if (j<N2) { + const unsigned int ri = N-1-i, rj = N-1-j; + cimg::swap(Ir(x,ri,z,v),Ir(x,rj,z,v)); cimg::swap(Ii(x,ri,z,v),Ii(x,rj,z,v)); + }} + for (unsigned int m=N, n=N2; (j+=n)>=m; j-=m, m=n, n>>=1) {} + } + for (unsigned int delta=2; delta<=N; delta<<=1) { + const unsigned int delta2 = (delta>>1); + for (unsigned int i=0; i<N; i+=delta) { + float wr = 1, wi = 0; + const float angle = (float)((invert?+1:-1)*2*cimg::valuePI/delta), + ca = (float)cimg_std::cos(angle), sa = (float)cimg_std::sin(angle); + for (unsigned int k=0; k<delta2; ++k) { + const unsigned int j = i + k, nj = j + delta2; + cimg_forXZV(Ir,x,z,k) { + T &ir = Ir(x,j,z,k), &ii = Ii(x,j,z,k), &nir = Ir(x,nj,z,k), &nii = Ii(x,nj,z,k); + const float tmpr = (float)(wr*nir - wi*nii), tmpi = (float)(wr*nii + wi*nir); + nir = (T)(ir - tmpr); + nii = (T)(ii - tmpi); + ir += (T)tmpr; + ii += (T)tmpi; + } + const float nwr = wr*ca-wi*sa; + wi = wi*ca + wr*sa; + wr = nwr; + } + } + } + if (invert) (*this)/=N; + } break; + + case 'z' : { // Fourier along Z + const unsigned int N = Ir.depth, N2 = (N>>1); + if (((N-1)&N) && N!=1) + throw CImgInstanceException("CImgList<%s>::FFT() : Dimension of instance image(s) along 'z' is %d != 2^N", + pixel_type(),N); + for (unsigned int i=0, j=0; i<N2; ++i) { + if (j>i) cimg_forXYV(Ir,x,y,v) { cimg::swap(Ir(x,y,i,v),Ir(x,y,j,v)); cimg::swap(Ii(x,y,i,v),Ii(x,y,j,v)); + if (j<N2) { + const unsigned int ri = N-1-i, rj = N-1-j; + cimg::swap(Ir(x,y,ri,v),Ir(x,y,rj,v)); cimg::swap(Ii(x,y,ri,v),Ii(x,y,rj,v)); + }} + for (unsigned int m=N, n=N2; (j+=n)>=m; j-=m, m=n, n>>=1) {} + } + for (unsigned int delta=2; delta<=N; delta<<=1) { + const unsigned int delta2 = (delta>>1); + for (unsigned int i=0; i<N; i+=delta) { + float wr = 1, wi = 0; + const float angle = (float)((invert?+1:-1)*2*cimg::valuePI/delta), + ca = (float)cimg_std::cos(angle), sa = (float)cimg_std::sin(angle); + for (unsigned int k=0; k<delta2; ++k) { + const unsigned int j = i + k, nj = j + delta2; + cimg_forXYV(Ir,x,y,k) { + T &ir = Ir(x,y,j,k), &ii = Ii(x,y,j,k), &nir = Ir(x,y,nj,k), &nii = Ii(x,y,nj,k); + const float tmpr = (float)(wr*nir - wi*nii), tmpi = (float)(wr*nii + wi*nir); + nir = (T)(ir - tmpr); + nii = (T)(ii - tmpi); + ir += (T)tmpr; + ii += (T)tmpi; + } + const float nwr = wr*ca-wi*sa; + wi = wi*ca + wr*sa; + wr = nwr; + } + } + } + if (invert) (*this)/=N; + } break; + + default : + throw CImgArgumentException("CImgList<%s>::FFT() : Invalid axis '%c', must be 'x','y' or 'z'."); + } +#endif + return *this; + } + + CImgList<Tfloat> get_FFT(const char axis, const bool invert=false) const { + return CImgList<Tfloat>(*this).FFT(axis,invert); + } + + //! Compute the Fast Fourier Transform of a complex image. + CImgList<T>& FFT(const bool invert=false) { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::FFT() : Instance list (%u,%p) is empty", + pixel_type(),size,data); + if (size>2) + cimg::warn("CImgList<%s>::FFT() : Instance list (%u,%p) have more than 2 images", + pixel_type(),size,data); + if (size==1) insert(CImg<T>(data->width,data->height,data->depth,data->dim,0)); + CImg<T> &Ir = data[0], &Ii = data[1]; + if (Ii.width!=Ir.width || Ii.height!=Ir.height || Ii.depth!=Ir.depth || Ii.dim!=Ir.dim) + throw CImgInstanceException("CImgList<%s>::FFT() : Real (%u,%u,%u,%u,%p) and Imaginary (%u,%u,%u,%u,%p) parts " + "of the instance image have different dimensions", + pixel_type(),Ir.width,Ir.height,Ir.depth,Ir.dim,Ir.data, + Ii.width,Ii.height,Ii.depth,Ii.dim,Ii.data); +#ifdef cimg_use_fftw3 + fftw_complex *data_in = (fftw_complex*)fftw_malloc(sizeof(fftw_complex) * Ir.width*Ir.height*Ir.depth); + fftw_plan data_plan; + const unsigned int w = Ir.width, wh = w*Ir.height, whd = wh*Ir.depth; + data_plan = fftw_plan_dft_3d(Ir.width,Ir.height,Ir.depth,data_in,data_in,invert?FFTW_BACKWARD:FFTW_FORWARD,FFTW_ESTIMATE); + cimg_forV(Ir,k) { + T *ptrr = Ir.ptr(0,0,0,k), *ptri = Ii.ptr(0,0,0,k); + double *ptrd = (double*)data_in; + for (unsigned int x = 0; x<Ir.width; ++x, ptrr-=wh-1, ptri-=wh-1) + for (unsigned int y = 0; y<Ir.height; ++y, ptrr-=whd-w, ptri-=whd-w) + for (unsigned int z = 0; z<Ir.depth; ++z, ptrr+=wh, ptri+=wh) { + *(ptrd++) = (double)*ptrr; *(ptrd++) = (double)*ptri; + } + fftw_execute(data_plan); + ptrd = (double*)data_in; + ptrr = Ir.ptr(0,0,0,k); + ptri = Ii.ptr(0,0,0,k); + if (!invert) for (unsigned int x = 0; x<Ir.width; ++x, ptrr-=wh-1, ptri-=wh-1) + for (unsigned int y = 0; y<Ir.height; ++y, ptrr-=whd-w, ptri-=whd-w) + for (unsigned int z = 0; z<Ir.depth; ++z, ptrr+=wh, ptri+=wh) { + *ptrr = (T)*(ptrd++); *ptri = (T)*(ptrd++); + } + else for (unsigned int x = 0; x<Ir.width; ++x, ptrr-=wh-1, ptri-=wh-1) + for (unsigned int y = 0; y<Ir.height; ++y, ptrr-=whd-w, ptri-=whd-w) + for (unsigned int z = 0; z<Ir.depth; ++z, ptrr+=wh, ptri+=wh) { + *ptrr = (T)(*(ptrd++)/whd); *ptri = (T)(*(ptrd++)/whd); + } + } + fftw_destroy_plan(data_plan); + fftw_free(data_in); +#else + if (Ir.depth>1) FFT('z',invert); + if (Ir.height>1) FFT('y',invert); + if (Ir.width>1) FFT('x',invert); +#endif + return *this; + } + + CImgList<Tfloat> get_FFT(const bool invert=false) const { + return CImgList<Tfloat>(*this).FFT(invert); + } + + // Return a list where each image has been split along the specified axis. + CImgList<T>& split(const char axis) { + return get_split(axis).transfer_to(*this); + } + + CImgList<T> get_split(const char axis) const { + CImgList<T> res; + cimglist_for(*this,l) { + CImgList<T> tmp = data[l].get_split(axis); + const unsigned int pos = res.size; + res.insert(tmp.size); + cimglist_for(tmp,i) tmp[i].transfer_to(data[pos+i]); + } + return res; + } + + //! Return a single image which is the concatenation of all images of the current CImgList instance. + /** + \param axis : specify the axis for image concatenation. Can be 'x','y','z' or 'v'. + \param align : specify the alignment for image concatenation. Can be 'p' (top), 'c' (center) or 'n' (bottom). + \return A CImg<T> image corresponding to the concatenation is returned. + **/ + CImg<T> get_append(const char axis, const char align='p') const { + if (is_empty()) return CImg<T>(); + if (size==1) return +((*this)[0]); + unsigned int dx = 0, dy = 0, dz = 0, dv = 0, pos = 0; + CImg<T> res; + switch (cimg::uncase(axis)) { + case 'x' : { + switch (cimg::uncase(align)) { + case 'x' : { dy = dz = dv = 1; cimglist_for(*this,l) dx+=(*this)[l].size(); } break; + case 'y' : { dx = size; dz = dv = 1; cimglist_for(*this,l) dy = cimg::max(dy,(unsigned int)(*this)[l].size()); } break; + case 'z' : { dx = size; dy = dv = 1; cimglist_for(*this,l) dz = cimg::max(dz,(unsigned int)(*this)[l].size()); } break; + case 'v' : { dx = size; dy = dz = 1; cimglist_for(*this,l) dv = cimg::max(dz,(unsigned int)(*this)[l].size()); } break; + default : + cimglist_for(*this,l) { + const CImg<T>& img = (*this)[l]; + dx += img.width; + dy = cimg::max(dy,img.height); + dz = cimg::max(dz,img.depth); + dv = cimg::max(dv,img.dim); + } + } + res.assign(dx,dy,dz,dv,0); + switch (cimg::uncase(align)) { + case 'x' : { + cimglist_for(*this,l) { + res.draw_image(pos,CImg<T>((*this)[l],true).unroll('x')); + pos+=(*this)[l].size(); + } + } break; + case 'y' : { + cimglist_for(*this,l) res.draw_image(pos++,CImg<T>((*this)[l],true).unroll('y')); + } break; + case 'z' : { + cimglist_for(*this,l) res.draw_image(pos++,CImg<T>((*this)[l],true).unroll('z')); + } break; + case 'v' : { + cimglist_for(*this,l) res.draw_image(pos++,CImg<T>((*this)[l],true).unroll('v')); + } break; + case 'p' : { + cimglist_for(*this,l) { res.draw_image(pos,(*this)[l]); pos+=(*this)[l].width; } + } break; + case 'n' : { + cimglist_for(*this,l) { + res.draw_image(pos,dy-(*this)[l].height,dz-(*this)[l].depth,dv-(*this)[l].dim,(*this)[l]); + pos+=(*this)[l].width; + } + } break; + default : { + cimglist_for(*this,l) { + res.draw_image(pos,(dy-(*this)[l].height)/2,(dz-(*this)[l].depth)/2,(dv-(*this)[l].dim)/2,(*this)[l]); + pos+=(*this)[l].width; + } + } break; + } + } break; + + case 'y' : { + switch (cimg::uncase(align)) { + case 'x' : { dy = size; dz = dv = 1; cimglist_for(*this,l) dx = cimg::max(dx,(unsigned int)(*this)[l].size()); } break; + case 'y' : { dx = dz = dv = 1; cimglist_for(*this,l) dy+=(*this)[l].size(); } break; + case 'z' : { dy = size; dx = dv = 1; cimglist_for(*this,l) dz = cimg::max(dz,(unsigned int)(*this)[l].size()); } break; + case 'v' : { dy = size; dx = dz = 1; cimglist_for(*this,l) dv = cimg::max(dv,(unsigned int)(*this)[l].size()); } break; + default : + cimglist_for(*this,l) { + const CImg<T>& img = (*this)[l]; + dx = cimg::max(dx,img.width); + dy += img.height; + dz = cimg::max(dz,img.depth); + dv = cimg::max(dv,img.dim); + } + } + res.assign(dx,dy,dz,dv,0); + switch (cimg::uncase(align)) { + case 'x' : { + cimglist_for(*this,l) res.draw_image(0,++pos,CImg<T>((*this)[l],true).unroll('x')); + } break; + case 'y' : { + cimglist_for(*this,l) { + res.draw_image(0,pos,CImg<T>((*this)[l],true).unroll('y')); + pos+=(*this)[l].size(); + } + } break; + case 'z' : { + cimglist_for(*this,l) res.draw_image(0,pos++,CImg<T>((*this)[l],true).unroll('z')); + } break; + case 'v' : { + cimglist_for(*this,l) res.draw_image(0,pos++,CImg<T>((*this)[l],true).unroll('v')); + } break; + case 'p' : { + cimglist_for(*this,l) { res.draw_image(0,pos,(*this)[l]); pos+=(*this)[l].height; } + } break; + case 'n' : { + cimglist_for(*this,l) { + res.draw_image(dx-(*this)[l].width,pos,dz-(*this)[l].depth,dv-(*this)[l].dim,(*this)[l]); + pos+=(*this)[l].height; + } + } break; + default : { + cimglist_for(*this,l) { + res.draw_image((dx-(*this)[l].width)/2,pos,(dz-(*this)[l].depth)/2,(dv-(*this)[l].dim)/2,(*this)[l]); + pos+=(*this)[l].height; + } + } break; + } + } break; + + case 'z' : { + switch (cimg::uncase(align)) { + case 'x' : { dz = size; dy = dv = 1; cimglist_for(*this,l) dx = cimg::max(dx,(unsigned int)(*this)[l].size()); } break; + case 'y' : { dz = size; dx = dv = 1; cimglist_for(*this,l) dy = cimg::max(dz,(unsigned int)(*this)[l].size()); } break; + case 'z' : { dx = dy = dv = 1; cimglist_for(*this,l) dz+=(*this)[l].size(); } break; + case 'v' : { dz = size; dx = dz = 1; cimglist_for(*this,l) dv = cimg::max(dv,(unsigned int)(*this)[l].size()); } break; + default : + cimglist_for(*this,l) { + const CImg<T>& img = (*this)[l]; + dx = cimg::max(dx,img.width); + dy = cimg::max(dy,img.height); + dz += img.depth; + dv = cimg::max(dv,img.dim); + } + } + res.assign(dx,dy,dz,dv,0); + switch (cimg::uncase(align)) { + case 'x' : { + cimglist_for(*this,l) res.draw_image(0,0,pos++,CImg<T>((*this)[l],true).unroll('x')); + } break; + case 'y' : { + cimglist_for(*this,l) res.draw_image(0,0,pos++,CImg<T>((*this)[l],true).unroll('y')); + } break; + case 'z' : { + cimglist_for(*this,l) { + res.draw_image(0,0,pos,CImg<T>((*this)[l],true).unroll('z')); + pos+=(*this)[l].size(); + } + } break; + case 'v' : { + cimglist_for(*this,l) res.draw_image(0,0,pos++,CImg<T>((*this)[l],true).unroll('v')); + } break; + case 'p' : { + cimglist_for(*this,l) { res.draw_image(0,0,pos,(*this)[l]); pos+=(*this)[l].depth; } + } break; + case 'n' : { + cimglist_for(*this,l) { + res.draw_image(dx-(*this)[l].width,dy-(*this)[l].height,pos,dv-(*this)[l].dim,(*this)[l]); + pos+=(*this)[l].depth; + } + } break; + case 'c' : { + cimglist_for(*this,l) { + res.draw_image((dx-(*this)[l].width)/2,(dy-(*this)[l].height)/2,pos,(dv-(*this)[l].dim)/2,(*this)[l]); + pos+=(*this)[l].depth; + } + } break; + } + } break; + + case 'v' : { + switch (cimg::uncase(align)) { + case 'x' : { dv = size; dy = dv = 1; cimglist_for(*this,l) dx = cimg::max(dx,(unsigned int)(*this)[l].size()); } break; + case 'y' : { dv = size; dx = dv = 1; cimglist_for(*this,l) dy = cimg::max(dz,(unsigned int)(*this)[l].size()); } break; + case 'z' : { dv = size; dx = dv = 1; cimglist_for(*this,l) dz = cimg::max(dv,(unsigned int)(*this)[l].size()); } break; + case 'v' : { dx = dy = dz = 1; cimglist_for(*this,l) dv+=(*this)[l].size(); } break; + default : + cimglist_for(*this,l) { + const CImg<T>& img = (*this)[l]; + dx = cimg::max(dx,img.width); + dy = cimg::max(dy,img.height); + dz = cimg::max(dz,img.depth); + dv += img.dim; + } + } + res.assign(dx,dy,dz,dv,0); + switch (cimg::uncase(align)) { + case 'x' : { + cimglist_for(*this,l) res.draw_image(0,0,0,pos++,CImg<T>((*this)[l],true).unroll('x')); + } break; + case 'y' : { + cimglist_for(*this,l) res.draw_image(0,0,0,pos++,CImg<T>((*this)[l],true).unroll('y')); + } break; + case 'z' : { + cimglist_for(*this,l) res.draw_image(0,0,0,pos++,CImg<T>((*this)[l],true).unroll('v')); + } break; + case 'v' : { + cimglist_for(*this,l) { + res.draw_image(0,0,0,pos,CImg<T>((*this)[l],true).unroll('z')); + pos+=(*this)[l].size(); + } + } break; + case 'p' : { + cimglist_for(*this,l) { res.draw_image(0,0,0,pos,(*this)[l]); pos+=(*this)[l].dim; } + } break; + case 'n' : { + cimglist_for(*this,l) { + res.draw_image(dx-(*this)[l].width,dy-(*this)[l].height,dz-(*this)[l].depth,pos,(*this)[l]); + pos+=(*this)[l].dim; + } + } break; + case 'c' : { + cimglist_for(*this,l) { + res.draw_image((dx-(*this)[l].width)/2,(dy-(*this)[l].height)/2,(dz-(*this)[l].depth)/2,pos,(*this)[l]); + pos+=(*this)[l].dim; + } + } break; + } + } break; + default : + throw CImgArgumentException("CImgList<%s>::get_append() : unknow axis '%c', must be 'x','y','z' or 'v'", + pixel_type(),axis); + } + return res; + } + + //! Create an auto-cropped font (along the X axis) from a input font \p font. + CImgList<T>& crop_font() { + return get_crop_font().transfer_to(*this); + } + + CImgList<T> get_crop_font() const { + CImgList<T> res; + cimglist_for(*this,l) { + const CImg<T>& letter = (*this)[l]; + int xmin = letter.width, xmax = 0; + cimg_forXY(letter,x,y) if (letter(x,y)) { if (x<xmin) xmin=x; if (x>xmax) xmax=x; } + if (xmin>xmax) res.insert(CImg<T>(letter.width,letter.height,1,letter.dim,0)); + else res.insert(letter.get_crop(xmin,0,xmax,letter.height-1)); + } + res[' '].resize(res['f'].width); + res[' '+256].resize(res['f'].width); + return res; + } + + //! Invert primitives orientation of a 3D object. + CImgList<T>& invert_object3d() { + cimglist_for(*this,l) { + CImg<T>& p = data[l]; + const unsigned int siz = p.size(); + if (siz==2 || siz==3 || siz==6 || siz==9) cimg::swap(p[0],p[1]); + else if (siz==4 || siz==12) cimg::swap(p[0],p[3],p[1],p[2]); + } + return *this; + } + + CImgList<T> get_invert_object3d() const { + return (+*this).invert_object3d(); + } + + //! Return a CImg pre-defined font with desired size. + /** + \param font_height = height of the desired font (can be 11,13,24,38 or 57) + \param fixed_size = tell if the font has a fixed or variable width. + **/ + static CImgList<T> font(const unsigned int font_width, const bool variable_size=true) { + if (font_width<=11) { + static CImgList<T> font7x11, nfont7x11; + if (!variable_size && !font7x11) font7x11 = _font(cimg::font7x11,7,11,1,0,false); + if (variable_size && !nfont7x11) nfont7x11 = _font(cimg::font7x11,7,11,1,0,true); + return variable_size?nfont7x11:font7x11; + } + if (font_width<=13) { + static CImgList<T> font10x13, nfont10x13; + if (!variable_size && !font10x13) font10x13 = _font(cimg::font10x13,10,13,1,0,false); + if (variable_size && !nfont10x13) nfont10x13 = _font(cimg::font10x13,10,13,1,0,true); + return variable_size?nfont10x13:font10x13; + } + if (font_width<=17) { + static CImgList<T> font8x17, nfont8x17; + if (!variable_size && !font8x17) font8x17 = _font(cimg::font8x17,8,17,1,0,false); + if (variable_size && !nfont8x17) nfont8x17 = _font(cimg::font8x17,8,17,1,0,true); + return variable_size?nfont8x17:font8x17; + } + if (font_width<=19) { + static CImgList<T> font10x19, nfont10x19; + if (!variable_size && !font10x19) font10x19 = _font(cimg::font10x19,10,19,2,0,false); + if (variable_size && !nfont10x19) nfont10x19 = _font(cimg::font10x19,10,19,2,0,true); + return variable_size?nfont10x19:font10x19; + } + if (font_width<=24) { + static CImgList<T> font12x24, nfont12x24; + if (!variable_size && !font12x24) font12x24 = _font(cimg::font12x24,12,24,2,0,false); + if (variable_size && !nfont12x24) nfont12x24 = _font(cimg::font12x24,12,24,2,0,true); + return variable_size?nfont12x24:font12x24; + } + if (font_width<=32) { + static CImgList<T> font16x32, nfont16x32; + if (!variable_size && !font16x32) font16x32 = _font(cimg::font16x32,16,32,2,0,false); + if (variable_size && !nfont16x32) nfont16x32 = _font(cimg::font16x32,16,32,2,0,true); + return variable_size?nfont16x32:font16x32; + } + if (font_width<=38) { + static CImgList<T> font19x38, nfont19x38; + if (!variable_size && !font19x38) font19x38 = _font(cimg::font19x38,19,38,3,0,false); + if (variable_size && !nfont19x38) nfont19x38 = _font(cimg::font19x38,19,38,3,0,true); + return variable_size?nfont19x38:font19x38; + } + static CImgList<T> font29x57, nfont29x57; + if (!variable_size && !font29x57) font29x57 = _font(cimg::font29x57,29,57,5,0,false); + if (variable_size && !nfont29x57) nfont29x57 = _font(cimg::font29x57,29,57,5,0,true); + return variable_size?nfont29x57:font29x57; + } + + static CImgList<T> _font(const unsigned int *const font, const unsigned int w, const unsigned int h, + const unsigned int paddingx, const unsigned int paddingy, const bool variable_size=true) { + CImgList<T> res = CImgList<T>(256,w,h,1,3).insert(CImgList<T>(256,w,h,1,1)); + const unsigned int *ptr = font; + unsigned int m = 0, val = 0; + for (unsigned int y=0; y<h; ++y) + for (unsigned int x=0; x<256*w; ++x) { + m>>=1; if (!m) { m = 0x80000000; val = *(ptr++); } + CImg<T>& img = res[x/w], &mask = res[x/w+256]; + unsigned int xm = x%w; + img(xm,y,0) = img(xm,y,1) = img(xm,y,2) = mask(xm,y,0) = (T)((val&m)?1:0); + } + if (variable_size) res.crop_font(); + if (paddingx || paddingy) cimglist_for(res,l) res[l].resize(res[l].dimx()+paddingx, res[l].dimy()+paddingy,1,-100,0); + return res; + } + + //! Display the current CImgList instance in an existing CImgDisplay window (by reference). + /** + This function displays the list images of the current CImgList instance into an existing CImgDisplay window. + Images of the list are concatenated in a single temporarly image for visualization purposes. + The function returns immediately. + \param disp : reference to an existing CImgDisplay instance, where the current image list will be displayed. + \param axis : specify the axis for image concatenation. Can be 'x','y','z' or 'v'. + \param align : specify the alignment for image concatenation. Can be 'p' (top), 'c' (center) or 'n' (bottom). + \return A reference to the current CImgList instance is returned. + **/ + const CImgList<T>& display(CImgDisplay& disp, const char axis='x', const char align='p') const { + get_append(axis,align).display(disp); + return *this; + } + + //! Display the current CImgList instance in a new display window. + /** + This function opens a new window with a specific title and displays the list images of the current CImgList instance into it. + Images of the list are concatenated in a single temporarly image for visualization purposes. + The function returns when a key is pressed or the display window is closed by the user. + \param title : specify the title of the opening display window. + \param axis : specify the axis for image concatenation. Can be 'x','y','z' or 'v'. + \param align : specify the alignment for image concatenation. Can be 'p' (top), 'c' (center) or 'n' (bottom). + \return A reference to the current CImgList instance is returned. + **/ + const CImgList<T>& display(CImgDisplay &disp, + const bool display_info, const char axis='x', const char align='p') const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::display() : Instance list (%u,%u) is empty.", + pixel_type(),size,data); + const CImg<T> visu = get_append(axis,align); + if (display_info) print(disp.title); + visu.display(disp,false); + return *this; + } + + //! Display the current CImgList instance in a new display window. + const CImgList<T>& display(const char *const title=0, + const bool display_info=true, const char axis='x', const char align='p') const { + const CImg<T> visu = get_append(axis,align); + char ntitle[64] = { 0 }; + if (!title) cimg_std::sprintf(ntitle,"CImgList<%s>",pixel_type()); + if (display_info) print(title?title:ntitle); + visu.display(title?title:ntitle,false); + return *this; + } + + //@} + //---------------------------------- + // + //! \name Input-Output + //@{ + //---------------------------------- + + //! Return a C-string containing the values of all images in the instance list. + CImg<charT> value_string(const char separator=',', const unsigned int max_size=0) const { + if (is_empty()) return CImg<ucharT>(1,1,1,1,0); + CImgList<charT> items; + for (unsigned int l = 0; l<size-1; ++l) { + CImg<charT> item = data[l].value_string(separator,0); + item[item.size()-1] = separator; + items.insert(item); + } + items.insert(data[size-1].value_string(separator,0)); + CImg<charT> res = items.get_append('x'); + if (max_size) { res.crop(0,max_size); res(max_size) = 0; } + return res; + } + + //! Print informations about the list on the standard output. + const CImgList<T>& print(const char* title=0, const bool display_stats=true) const { + unsigned long msiz = 0; + cimglist_for(*this,l) msiz += data[l].size(); + msiz*=sizeof(T); + const unsigned int mdisp = msiz<8*1024?0:(msiz<8*1024*1024?1:2); + char ntitle[64] = { 0 }; + if (!title) cimg_std::sprintf(ntitle,"CImgList<%s>",pixel_type()); + cimg_std::fprintf(cimg_stdout,"%s: this = %p, size = %u [%lu %s], data = (CImg<%s>*)%p.\n", + title?title:ntitle,(void*)this,size, + mdisp==0?msiz:(mdisp==1?(msiz>>10):(msiz>>20)), + mdisp==0?"b":(mdisp==1?"Kb":"Mb"), + pixel_type(),(void*)data); + char tmp[16] = { 0 }; + cimglist_for(*this,ll) { + cimg_std::sprintf(tmp,"[%d]",ll); + cimg_std::fprintf(cimg_stdout," "); + data[ll].print(tmp,display_stats); + if (ll==3 && size>8) { ll = size-5; cimg_std::fprintf(cimg_stdout," ...\n"); } + } + return *this; + } + + //! Load an image list from a file. + CImgList<T>& load(const char *const filename) { + const char *ext = cimg::split_filename(filename); + const unsigned int odebug = cimg::exception_mode(); + cimg::exception_mode() = 0; + assign(); + try { +#ifdef cimglist_load_plugin + cimglist_load_plugin(filename); +#endif +#ifdef cimglist_load_plugin1 + cimglist_load_plugin1(filename); +#endif +#ifdef cimglist_load_plugin2 + cimglist_load_plugin2(filename); +#endif +#ifdef cimglist_load_plugin3 + cimglist_load_plugin3(filename); +#endif +#ifdef cimglist_load_plugin4 + cimglist_load_plugin4(filename); +#endif +#ifdef cimglist_load_plugin5 + cimglist_load_plugin5(filename); +#endif +#ifdef cimglist_load_plugin6 + cimglist_load_plugin6(filename); +#endif +#ifdef cimglist_load_plugin7 + cimglist_load_plugin7(filename); +#endif +#ifdef cimglist_load_plugin8 + cimglist_load_plugin8(filename); +#endif + if (!cimg::strcasecmp(ext,"tif") || + !cimg::strcasecmp(ext,"tiff")) load_tiff(filename); + if (!cimg::strcasecmp(ext,"cimg") || + !cimg::strcasecmp(ext,"cimgz") || + !ext[0]) load_cimg(filename); + if (!cimg::strcasecmp(ext,"rec") || + !cimg::strcasecmp(ext,"par")) load_parrec(filename); + if (!cimg::strcasecmp(ext,"avi") || + !cimg::strcasecmp(ext,"mov") || + !cimg::strcasecmp(ext,"asf") || + !cimg::strcasecmp(ext,"divx") || + !cimg::strcasecmp(ext,"flv") || + !cimg::strcasecmp(ext,"mpg") || + !cimg::strcasecmp(ext,"m1v") || + !cimg::strcasecmp(ext,"m2v") || + !cimg::strcasecmp(ext,"m4v") || + !cimg::strcasecmp(ext,"mjp") || + !cimg::strcasecmp(ext,"mkv") || + !cimg::strcasecmp(ext,"mpe") || + !cimg::strcasecmp(ext,"movie") || + !cimg::strcasecmp(ext,"ogm") || + !cimg::strcasecmp(ext,"qt") || + !cimg::strcasecmp(ext,"rm") || + !cimg::strcasecmp(ext,"vob") || + !cimg::strcasecmp(ext,"wmv") || + !cimg::strcasecmp(ext,"xvid") || + !cimg::strcasecmp(ext,"mpeg")) load_ffmpeg(filename); + if (!cimg::strcasecmp(ext,"gz")) load_gzip_external(filename); + if (is_empty()) throw CImgIOException("CImgList<%s>::load()",pixel_type()); + } catch (CImgIOException& e) { + if (!cimg::strncasecmp(e.message,"cimg::fopen()",13)) { + cimg::exception_mode() = odebug; + throw CImgIOException("CImgList<%s>::load() : File '%s' cannot be opened.",pixel_type(),filename); + } else try { + assign(1); + data->load(filename); + } catch (CImgException&) { + assign(); + } + } + cimg::exception_mode() = odebug; + if (is_empty()) + throw CImgIOException("CImgList<%s>::load() : File '%s', format not recognized.",pixel_type(),filename); + return *this; + } + + static CImgList<T> get_load(const char *const filename) { + return CImgList<T>().load(filename); + } + + //! Load an image list from a .cimg file. + CImgList<T>& load_cimg(const char *const filename) { + return _load_cimg(0,filename); + } + + static CImgList<T> get_load_cimg(const char *const filename) { + return CImgList<T>().load_cimg(filename); + } + + //! Load an image list from a .cimg file. + CImgList<T>& load_cimg(cimg_std::FILE *const file) { + return _load_cimg(file,0); + } + + static CImgList<T> get_load_cimg(cimg_std::FILE *const file) { + return CImgList<T>().load_cimg(file); + } + + CImgList<T>& _load_cimg(cimg_std::FILE *const file, const char *const filename) { +#ifdef cimg_use_zlib +#define _cimgz_load_cimg_case(Tss) { \ + Bytef *const cbuf = new Bytef[csiz]; \ + cimg::fread(cbuf,csiz,nfile); \ + raw.assign(W,H,D,V); \ + unsigned long destlen = raw.size()*sizeof(T); \ + uncompress((Bytef*)raw.data,&destlen,cbuf,csiz); \ + delete[] cbuf; \ + const Tss *ptrs = raw.data; \ + for (unsigned int off = raw.size(); off; --off) *(ptrd++) = (T)*(ptrs++); \ +} +#else +#define _cimgz_load_cimg_case(Tss) \ + throw CImgIOException("CImgList<%s>::load_cimg() : File '%s' contains compressed data, zlib must be used",\ + pixel_type(),filename?filename:"(FILE*)"); +#endif + +#define _cimg_load_cimg_case(Ts,Tss) \ + if (!loaded && !cimg::strcasecmp(Ts,str_pixeltype)) { \ + for (unsigned int l = 0; l<N; ++l) { \ + j = 0; while ((i=cimg_std::fgetc(nfile))!='\n' && i>=0) tmp[j++] = (char)i; tmp[j] = '\0'; \ + W = H = D = V = 0; csiz = 0; \ + if ((err = cimg_std::sscanf(tmp,"%u %u %u %u #%u",&W,&H,&D,&V,&csiz))<4) \ + throw CImgIOException("CImgList<%s>::load_cimg() : File '%s', Image %u has an invalid size (%u,%u,%u,%u)\n", \ + pixel_type(),filename?filename:("(FILE*)"),W,H,D,V); \ + if (W*H*D*V>0) { \ + CImg<Tss> raw; \ + CImg<T> &img = data[l]; \ + img.assign(W,H,D,V); \ + T *ptrd = img.data; \ + if (err==5) _cimgz_load_cimg_case(Tss) \ + else for (int toread = (int)img.size(); toread>0; ) { \ + raw.assign(cimg::min(toread,cimg_iobuffer)); \ + cimg::fread(raw.data,raw.width,nfile); \ + if (endian!=cimg::endianness()) cimg::invert_endianness(raw.data,raw.width); \ + toread-=raw.width; \ + const Tss *ptrs = raw.data; \ + for (unsigned int off = raw.width; off; --off) *(ptrd++) = (T)*(ptrs++); \ + } \ + } \ + } \ + loaded = true; \ + } + + if (!filename && !file) + throw CImgArgumentException("CImgList<%s>::load_cimg() : Cannot load (null) filename.", + pixel_type()); + typedef unsigned char uchar; + typedef unsigned short ushort; + typedef unsigned int uint; + typedef unsigned long ulong; + const int cimg_iobuffer = 12*1024*1024; + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + bool loaded = false, endian = cimg::endianness(); + char tmp[256], str_pixeltype[256], str_endian[256]; + unsigned int j, err, N = 0, W, H, D, V, csiz; + int i; + j = 0; while((i=cimg_std::fgetc(nfile))!='\n' && i!=EOF && j<256) tmp[j++] = (char)i; tmp[j] = '\0'; + err = cimg_std::sscanf(tmp,"%u%*c%255[A-Za-z_]%*c%255[sA-Za-z_ ]",&N,str_pixeltype,str_endian); + if (err<2) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImgList<%s>::load_cimg() : File '%s', Unknow CImg RAW header.", + pixel_type(),filename?filename:"(FILE*)"); + } + if (!cimg::strncasecmp("little",str_endian,6)) endian = false; + else if (!cimg::strncasecmp("big",str_endian,3)) endian = true; + assign(N); + _cimg_load_cimg_case("bool",bool); + _cimg_load_cimg_case("unsigned_char",uchar); + _cimg_load_cimg_case("uchar",uchar); + _cimg_load_cimg_case("char",char); + _cimg_load_cimg_case("unsigned_short",ushort); + _cimg_load_cimg_case("ushort",ushort); + _cimg_load_cimg_case("short",short); + _cimg_load_cimg_case("unsigned_int",uint); + _cimg_load_cimg_case("uint",uint); + _cimg_load_cimg_case("int",int); + _cimg_load_cimg_case("unsigned_long",ulong); + _cimg_load_cimg_case("ulong",ulong); + _cimg_load_cimg_case("long",long); + _cimg_load_cimg_case("float",float); + _cimg_load_cimg_case("double",double); + if (!loaded) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImgList<%s>::load_cimg() : File '%s', cannot read images of pixels coded as '%s'.", + pixel_type(),filename?filename:"(FILE*)",str_pixeltype); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load a sub-image list from a non compressed .cimg file. + CImgList<T>& load_cimg(const char *const filename, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1) { + return _load_cimg(0,filename,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1); + } + + static CImgList<T> get_load_cimg(const char *const filename, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1) { + return CImgList<T>().load_cimg(filename,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1); + } + + //! Load a sub-image list from a non compressed .cimg file. + CImgList<T>& load_cimg(cimg_std::FILE *const file, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1) { + return _load_cimg(file,0,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1); + } + + static CImgList<T> get_load_cimg(cimg_std::FILE *const file, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1) { + return CImgList<T>().load_cimg(file,n0,n1,x0,y0,z0,v0,x1,y1,z1,v1); + } + + CImgList<T>& _load_cimg(cimg_std::FILE *const file, const char *const filename, + const unsigned int n0, const unsigned int n1, + const unsigned int x0, const unsigned int y0, const unsigned int z0, const unsigned int v0, + const unsigned int x1, const unsigned int y1, const unsigned int z1, const unsigned int v1) { +#define _cimg_load_cimg_case2(Ts,Tss) \ + if (!loaded && !cimg::strcasecmp(Ts,str_pixeltype)) { \ + for (unsigned int l = 0; l<=nn1; ++l) { \ + j = 0; while ((i=cimg_std::fgetc(nfile))!='\n' && i>=0) tmp[j++] = (char)i; tmp[j] = '\0'; \ + W = H = D = V = 0; \ + if (cimg_std::sscanf(tmp,"%u %u %u %u",&W,&H,&D,&V)!=4) \ + throw CImgIOException("CImgList<%s>::load_cimg() : File '%s', Image %u has an invalid size (%u,%u,%u,%u)\n", \ + pixel_type(), filename?filename:("(FILE*)"), W, H, D, V); \ + if (W*H*D*V>0) { \ + if (l<n0 || x0>=W || y0>=H || z0>=D || v0>=D) cimg_std::fseek(nfile,W*H*D*V*sizeof(Tss),SEEK_CUR); \ + else { \ + const unsigned int \ + nx1 = x1>=W?W-1:x1, \ + ny1 = y1>=H?H-1:y1, \ + nz1 = z1>=D?D-1:z1, \ + nv1 = v1>=V?V-1:v1; \ + CImg<Tss> raw(1+nx1-x0); \ + CImg<T> &img = data[l-n0]; \ + img.assign(1+nx1-x0,1+ny1-y0,1+nz1-z0,1+nv1-v0); \ + T *ptrd = img.data; \ + const unsigned int skipvb = v0*W*H*D*sizeof(Tss); \ + if (skipvb) cimg_std::fseek(nfile,skipvb,SEEK_CUR); \ + for (unsigned int v=1+nv1-v0; v; --v) { \ + const unsigned int skipzb = z0*W*H*sizeof(Tss); \ + if (skipzb) cimg_std::fseek(nfile,skipzb,SEEK_CUR); \ + for (unsigned int z=1+nz1-z0; z; --z) { \ + const unsigned int skipyb = y0*W*sizeof(Tss); \ + if (skipyb) cimg_std::fseek(nfile,skipyb,SEEK_CUR); \ + for (unsigned int y=1+ny1-y0; y; --y) { \ + const unsigned int skipxb = x0*sizeof(Tss); \ + if (skipxb) cimg_std::fseek(nfile,skipxb,SEEK_CUR); \ + cimg::fread(raw.data,raw.width,nfile); \ + if (endian!=cimg::endianness()) cimg::invert_endianness(raw.data,raw.width); \ + const Tss *ptrs = raw.data; \ + for (unsigned int off = raw.width; off; --off) *(ptrd++) = (T)*(ptrs++); \ + const unsigned int skipxe = (W-1-nx1)*sizeof(Tss); \ + if (skipxe) cimg_std::fseek(nfile,skipxe,SEEK_CUR); \ + } \ + const unsigned int skipye = (H-1-ny1)*W*sizeof(Tss); \ + if (skipye) cimg_std::fseek(nfile,skipye,SEEK_CUR); \ + } \ + const unsigned int skipze = (D-1-nz1)*W*H*sizeof(Tss); \ + if (skipze) cimg_std::fseek(nfile,skipze,SEEK_CUR); \ + } \ + const unsigned int skipve = (V-1-nv1)*W*H*D*sizeof(Tss); \ + if (skipve) cimg_std::fseek(nfile,skipve,SEEK_CUR); \ + } \ + } \ + } \ + loaded = true; \ + } + + if (!filename && !file) + throw CImgArgumentException("CImgList<%s>::load_cimg() : Cannot load (null) filename.", + pixel_type()); + typedef unsigned char uchar; + typedef unsigned short ushort; + typedef unsigned int uint; + typedef unsigned long ulong; + if (n1<n0 || x1<x0 || y1<y0 || z1<z0 || v1<v0) + throw CImgArgumentException("CImgList<%s>::load_cimg() : File '%s', Bad sub-region coordinates [%u->%u] " + "(%u,%u,%u,%u)->(%u,%u,%u,%u).", + pixel_type(),filename?filename:"(FILE*)", + n0,n1,x0,y0,z0,v0,x1,y1,z1,v1); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + bool loaded = false, endian = cimg::endianness(); + char tmp[256], str_pixeltype[256], str_endian[256]; + unsigned int j, err, N, W, H, D, V; + int i; + j = 0; while((i=cimg_std::fgetc(nfile))!='\n' && i!=EOF && j<256) tmp[j++] = (char)i; tmp[j] = '\0'; + err = cimg_std::sscanf(tmp,"%u%*c%255[A-Za-z_]%*c%255[sA-Za-z_ ]",&N,str_pixeltype,str_endian); + if (err<2) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImgList<%s>::load_cimg() : File '%s', Unknow CImg RAW header.", + pixel_type(),filename?filename:"(FILE*)"); + } + if (!cimg::strncasecmp("little",str_endian,6)) endian = false; + else if (!cimg::strncasecmp("big",str_endian,3)) endian = true; + const unsigned int nn1 = n1>=N?N-1:n1; + assign(1+nn1-n0); + _cimg_load_cimg_case2("bool",bool); + _cimg_load_cimg_case2("unsigned_char",uchar); + _cimg_load_cimg_case2("uchar",uchar); + _cimg_load_cimg_case2("char",char); + _cimg_load_cimg_case2("unsigned_short",ushort); + _cimg_load_cimg_case2("ushort",ushort); + _cimg_load_cimg_case2("short",short); + _cimg_load_cimg_case2("unsigned_int",uint); + _cimg_load_cimg_case2("uint",uint); + _cimg_load_cimg_case2("int",int); + _cimg_load_cimg_case2("unsigned_long",ulong); + _cimg_load_cimg_case2("ulong",ulong); + _cimg_load_cimg_case2("long",long); + _cimg_load_cimg_case2("float",float); + _cimg_load_cimg_case2("double",double); + if (!loaded) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImgList<%s>::load_cimg() : File '%s', cannot read images of pixels coded as '%s'.", + pixel_type(),filename?filename:"(FILE*)",str_pixeltype); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image list from a PAR/REC (Philips) file. + CImgList<T>& load_parrec(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImgList<%s>::load_parrec() : Cannot load (null) filename.", + pixel_type()); + char body[1024], filenamepar[1024], filenamerec[1024]; + const char *ext = cimg::split_filename(filename,body); + if (!cimg::strcmp(ext,"par")) { cimg_std::strcpy(filenamepar,filename); cimg_std::sprintf(filenamerec,"%s.rec",body); } + if (!cimg::strcmp(ext,"PAR")) { cimg_std::strcpy(filenamepar,filename); cimg_std::sprintf(filenamerec,"%s.REC",body); } + if (!cimg::strcmp(ext,"rec")) { cimg_std::strcpy(filenamerec,filename); cimg_std::sprintf(filenamepar,"%s.par",body); } + if (!cimg::strcmp(ext,"REC")) { cimg_std::strcpy(filenamerec,filename); cimg_std::sprintf(filenamepar,"%s.PAR",body); } + cimg_std::FILE *file = cimg::fopen(filenamepar,"r"); + + // Parse header file + CImgList<floatT> st_slices; + CImgList<uintT> st_global; + int err; + char line[256] = { 0 }; + do { err=cimg_std::fscanf(file,"%255[^\n]%*c",line); } while (err!=EOF && (line[0]=='#' || line[0]=='.')); + do { + unsigned int sn,sizex,sizey,pixsize; + float rs,ri,ss; + err = cimg_std::fscanf(file,"%u%*u%*u%*u%*u%*u%*u%u%*u%u%u%g%g%g%*[^\n]",&sn,&pixsize,&sizex,&sizey,&ri,&rs,&ss); + if (err==7) { + st_slices.insert(CImg<floatT>::vector((float)sn,(float)pixsize,(float)sizex,(float)sizey, + ri,rs,ss,0)); + unsigned int i; for (i=0; i<st_global.size && sn<=st_global[i][2]; ++i) {} + if (i==st_global.size) st_global.insert(CImg<uintT>::vector(sizex,sizey,sn)); + else { + CImg<uintT> &vec = st_global[i]; + if (sizex>vec[0]) vec[0] = sizex; + if (sizey>vec[1]) vec[1] = sizey; + vec[2] = sn; + } + st_slices[st_slices.size-1][7] = (float)i; + } + } while (err==7); + + // Read data + cimg_std::FILE *file2 = cimg::fopen(filenamerec,"rb"); + { cimglist_for(st_global,l) { + const CImg<uintT>& vec = st_global[l]; + insert(CImg<T>(vec[0],vec[1],vec[2])); + }} + + cimglist_for(st_slices,l) { + const CImg<floatT>& vec = st_slices[l]; + const unsigned int + sn = (unsigned int)vec[0]-1, + pixsize = (unsigned int)vec[1], + sizex = (unsigned int)vec[2], + sizey = (unsigned int)vec[3], + imn = (unsigned int)vec[7]; + const float ri = vec[4], rs = vec[5], ss = vec[6]; + switch (pixsize) { + case 8 : { + CImg<ucharT> buf(sizex,sizey); + cimg::fread(buf.data,sizex*sizey,file2); + if (cimg::endianness()) cimg::invert_endianness(buf.data,sizex*sizey); + CImg<T>& img = (*this)[imn]; + cimg_forXY(img,x,y) img(x,y,sn) = (T)(( buf(x,y)*rs + ri )/(rs*ss)); + } break; + case 16 : { + CImg<ushortT> buf(sizex,sizey); + cimg::fread(buf.data,sizex*sizey,file2); + if (cimg::endianness()) cimg::invert_endianness(buf.data,sizex*sizey); + CImg<T>& img = (*this)[imn]; + cimg_forXY(img,x,y) img(x,y,sn) = (T)(( buf(x,y)*rs + ri )/(rs*ss)); + } break; + case 32 : { + CImg<uintT> buf(sizex,sizey); + cimg::fread(buf.data,sizex*sizey,file2); + if (cimg::endianness()) cimg::invert_endianness(buf.data,sizex*sizey); + CImg<T>& img = (*this)[imn]; + cimg_forXY(img,x,y) img(x,y,sn) = (T)(( buf(x,y)*rs + ri )/(rs*ss)); + } break; + default : + cimg::fclose(file); + cimg::fclose(file2); + throw CImgIOException("CImg<%s>::load_parrec() : File '%s', cannot handle image with pixsize = %d bits.", + pixel_type(),filename,pixsize); + } + } + cimg::fclose(file); + cimg::fclose(file2); + if (!size) + throw CImgIOException("CImg<%s>::load_parrec() : File '%s' does not appear to be a valid PAR-REC file.", + pixel_type(),filename); + return *this; + } + + static CImgList<T> get_load_parrec(const char *const filename) { + return CImgList<T>().load_parrec(filename); + } + + //! Load an image sequence from a YUV file. + CImgList<T>& load_yuv(const char *const filename, + const unsigned int sizex, const unsigned int sizey, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true) { + return _load_yuv(0,filename,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb); + } + + static CImgList<T> get_load_yuv(const char *const filename, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true) { + return CImgList<T>().load_yuv(filename,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb); + } + + //! Load an image sequence from a YUV file. + CImgList<T>& load_yuv(cimg_std::FILE *const file, + const unsigned int sizex, const unsigned int sizey, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true) { + return _load_yuv(file,0,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb); + } + + static CImgList<T> get_load_yuv(cimg_std::FILE *const file, + const unsigned int sizex, const unsigned int sizey=1, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool yuv2rgb=true) { + return CImgList<T>().load_yuv(file,sizex,sizey,first_frame,last_frame,step_frame,yuv2rgb); + } + + CImgList<T>& _load_yuv(cimg_std::FILE *const file, const char *const filename, + const unsigned int sizex, const unsigned int sizey, + const unsigned int first_frame, const unsigned int last_frame, + const unsigned int step_frame, const bool yuv2rgb) { + if (!filename && !file) + throw CImgArgumentException("CImgList<%s>::load_yuv() : Cannot load (null) filename.", + pixel_type()); + if (sizex%2 || sizey%2) + throw CImgArgumentException("CImgList<%s>::load_yuv() : File '%s', image dimensions along X and Y must be " + "even numbers (given are %ux%u)\n", + pixel_type(),filename?filename:"(FILE*)",sizex,sizey); + if (!sizex || !sizey) + throw CImgArgumentException("CImgList<%s>::load_yuv() : File '%s', given image sequence size (%u,%u) is invalid", + pixel_type(),filename?filename:"(FILE*)",sizex,sizey); + + const unsigned int + nfirst_frame = first_frame<last_frame?first_frame:last_frame, + nlast_frame = first_frame<last_frame?last_frame:first_frame, + nstep_frame = step_frame?step_frame:1; + + CImg<ucharT> tmp(sizex,sizey,1,3), UV(sizex/2,sizey/2,1,2); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb"); + bool stopflag = false; + int err; + if (nfirst_frame) { + err = cimg_std::fseek(nfile,nfirst_frame*(sizex*sizey + sizex*sizey/2),SEEK_CUR); + if (err) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImgList<%s>::load_yuv() : File '%s' doesn't contain frame number %u " + "(out of range error).", + pixel_type(),filename?filename:"(FILE*)",nfirst_frame); + } + } + unsigned int frame; + for (frame = nfirst_frame; !stopflag && frame<=nlast_frame; frame+=nstep_frame) { + tmp.fill(0); + // *TRY* to read the luminance part, do not replace by cimg::fread ! + err = (int)cimg_std::fread((void*)(tmp.data),1,(size_t)(tmp.width*tmp.height),nfile); + if (err!=(int)(tmp.width*tmp.height)) { + stopflag = true; + if (err>0) + cimg::warn("CImgList<%s>::load_yuv() : File '%s' contains incomplete data," + " or given image dimensions (%u,%u) are incorrect.", + pixel_type(),filename?filename:"(FILE*)",sizex,sizey); + } else { + UV.fill(0); + // *TRY* to read the luminance part, do not replace by cimg::fread ! + err = (int)cimg_std::fread((void*)(UV.data),1,(size_t)(UV.size()),nfile); + if (err!=(int)(UV.size())) { + stopflag = true; + if (err>0) + cimg::warn("CImgList<%s>::load_yuv() : File '%s' contains incomplete data," + " or given image dimensions (%u,%u) are incorrect.", + pixel_type(),filename?filename:"(FILE*)",sizex,sizey); + } else { + cimg_forXY(UV,x,y) { + const int x2 = x*2, y2 = y*2; + tmp(x2,y2,1) = tmp(x2+1,y2,1) = tmp(x2,y2+1,1) = tmp(x2+1,y2+1,1) = UV(x,y,0); + tmp(x2,y2,2) = tmp(x2+1,y2,2) = tmp(x2,y2+1,2) = tmp(x2+1,y2+1,2) = UV(x,y,1); + } + if (yuv2rgb) tmp.YCbCrtoRGB(); + insert(tmp); + if (nstep_frame>1) cimg_std::fseek(nfile,(nstep_frame-1)*(sizex*sizey + sizex*sizey/2),SEEK_CUR); + } + } + } + if (stopflag && nlast_frame!=~0U && frame!=nlast_frame) + cimg::warn("CImgList<%s>::load_yuv() : File '%s', frame %d not reached since only %u frames were found in the file.", + pixel_type(),filename?filename:"(FILE*)",nlast_frame,frame-1,filename); + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Load an image from a video file, using ffmpeg libraries. + // This piece of code has been firstly created by David Starweather (starkdg(at)users(dot)sourceforge(dot)net) + // I modified it afterwards for direct inclusion in the library core. + CImgList<T>& load_ffmpeg(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool pixel_format=true, const bool resume=false) { + if (!filename) + throw CImgArgumentException("CImgList<%s>::load_ffmpeg() : Cannot load (null) filename.", + pixel_type()); + const unsigned int + nfirst_frame = first_frame<last_frame?first_frame:last_frame, + nlast_frame = first_frame<last_frame?last_frame:first_frame, + nstep_frame = step_frame?step_frame:1; + assign(); + +#ifndef cimg_use_ffmpeg + if ((nfirst_frame || nlast_frame!=~0U || nstep_frame>1) || (resume && (pixel_format || !pixel_format))) + throw CImgArgumentException("CImg<%s>::load_ffmpeg() : File '%s', reading sub-frames from a video file requires the use of ffmpeg.\n" + "('cimg_use_ffmpeg' must be defined).", + pixel_type(),filename); + return load_ffmpeg_external(filename); +#else + const unsigned int ffmpeg_pixfmt = pixel_format?PIX_FMT_RGB24:PIX_FMT_GRAY8; + avcodec_register_all(); + av_register_all(); + static AVFormatContext *format_ctx = 0; + static AVCodecContext *codec_ctx = 0; + static AVCodec *codec = 0; + static AVFrame *avframe = avcodec_alloc_frame(), *converted_frame = avcodec_alloc_frame(); + static int vstream = 0; + + if (resume) { + if (!format_ctx || !codec_ctx || !codec || !avframe || !converted_frame) + throw CImgArgumentException("CImgList<%s>::load_ffmpeg() : File '%s', cannot resume due to unallocated FFMPEG structures.", + pixel_type(),filename); + } else { + // Open video file, find main video stream and codec. + if (format_ctx) av_close_input_file(format_ctx); + if (av_open_input_file(&format_ctx,filename,0,0,0)!=0) + throw CImgIOException("CImgList<%s>::load_ffmpeg() : File '%s' cannot be opened.", + pixel_type(),filename); + if (!avframe || !converted_frame || av_find_stream_info(format_ctx)<0) { + av_close_input_file(format_ctx); format_ctx = 0; + cimg::warn("CImgList<%s>::load_ffmpeg() : File '%s', cannot retrieve stream information.\n" + "Trying with external ffmpeg executable.", + pixel_type(),filename); + return load_ffmpeg_external(filename); + } +#if cimg_debug>=3 + dump_format(format_ctx,0,0,0); +#endif + + // Special command : Return informations on main video stream. + // as a vector 1x4 containing : (nb_frames,width,height,fps). + if (!first_frame && !last_frame && !step_frame) { + for (vstream = 0; vstream<(int)(format_ctx->nb_streams); ++vstream) + if (format_ctx->streams[vstream]->codec->codec_type==CODEC_TYPE_VIDEO) break; + if (vstream==(int)format_ctx->nb_streams) assign(); + else { + CImgList<doubleT> timestamps; + int nb_frames; + AVPacket packet; + // Count frames and store timestamps. + for (nb_frames = 0; av_read_frame(format_ctx,&packet)>=0; av_free_packet(&packet)) + if (packet.stream_index==vstream) { + timestamps.insert(CImg<doubleT>::vector((double)packet.pts)); + ++nb_frames; + } + // Get frame with, height and fps. + const int + framew = format_ctx->streams[vstream]->codec->width, + frameh = format_ctx->streams[vstream]->codec->height; + const float + num = (float)(format_ctx->streams[vstream]->r_frame_rate).num, + den = (float)(format_ctx->streams[vstream]->r_frame_rate).den, + fps = num/den; + // Return infos as a list. + assign(2); + (*this)[0].assign(1,4).fill((T)nb_frames,(T)framew,(T)frameh,(T)fps); + (*this)[1] = timestamps.get_append('y'); + } + av_close_input_file(format_ctx); format_ctx = 0; + return *this; + } + + for (vstream = 0; vstream<(int)(format_ctx->nb_streams) && + format_ctx->streams[vstream]->codec->codec_type!=CODEC_TYPE_VIDEO; ) ++vstream; + if (vstream==(int)format_ctx->nb_streams) { + cimg::warn("CImgList<%s>::load_ffmpeg() : File '%s', cannot retrieve video stream.\n" + "Trying with external ffmpeg executable.", + pixel_type(),filename); + av_close_input_file(format_ctx); format_ctx = 0; + return load_ffmpeg_external(filename); + } + codec_ctx = format_ctx->streams[vstream]->codec; + codec = avcodec_find_decoder(codec_ctx->codec_id); + if (!codec) { + cimg::warn("CImgList<%s>::load_ffmpeg() : File '%s', cannot find video codec.\n" + "Trying with external ffmpeg executable.", + pixel_type(),filename); + return load_ffmpeg_external(filename); + } + if (avcodec_open(codec_ctx,codec)<0) { // Open codec + cimg::warn("CImgList<%s>::load_ffmpeg() : File '%s', cannot open video codec.\n" + "Trying with external ffmpeg executable.", + pixel_type(),filename); + return load_ffmpeg_external(filename); + } + } + + // Read video frames + const unsigned int numBytes = avpicture_get_size(ffmpeg_pixfmt,codec_ctx->width,codec_ctx->height); + uint8_t *const buffer = new uint8_t[numBytes]; + avpicture_fill((AVPicture *)converted_frame,buffer,ffmpeg_pixfmt,codec_ctx->width,codec_ctx->height); + const T foo = (T)0; + AVPacket packet; + for (unsigned int frame = 0, next_frame = nfirst_frame; frame<=nlast_frame && av_read_frame(format_ctx,&packet)>=0; ) { + if (packet.stream_index==(int)vstream) { + int decoded = 0; + avcodec_decode_video(codec_ctx,avframe,&decoded,packet.data,packet.size); + if (decoded) { + if (frame==next_frame) { + SwsContext *c = sws_getContext(codec_ctx->width,codec_ctx->height,codec_ctx->pix_fmt,codec_ctx->width, + codec_ctx->height,ffmpeg_pixfmt,1,0,0,0); + sws_scale(c,avframe->data,avframe->linesize,0,codec_ctx->height,converted_frame->data,converted_frame->linesize); + if (ffmpeg_pixfmt==PIX_FMT_RGB24) { + CImg<ucharT> next_image(*converted_frame->data,3,codec_ctx->width,codec_ctx->height,1,true); + insert(next_image._get_permute_axes("yzvx",foo)); + } else { + CImg<ucharT> next_image(*converted_frame->data,1,codec_ctx->width,codec_ctx->height,1,true); + insert(next_image._get_permute_axes("yzvx",foo)); + } + next_frame+=nstep_frame; + } + ++frame; + } + av_free_packet(&packet); + if (next_frame>nlast_frame) break; + } + } + delete[] buffer; +#endif + return *this; + } + + static CImgList<T> get_load_ffmpeg(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1, const bool pixel_format=true) { + return CImgList<T>().load_ffmpeg(filename,first_frame,last_frame,step_frame,pixel_format); + } + + //! Load an image from a video file (MPEG,AVI) using the external tool 'ffmpeg'. + CImgList<T>& load_ffmpeg_external(const char *const filename) { + if (!filename) + throw CImgArgumentException("CImgList<%s>::load_ffmpeg_external() : Cannot load (null) filename.", + pixel_type()); + char command[1024], filetmp[512], filetmp2[512]; + cimg_std::FILE *file = 0; + do { + cimg_std::sprintf(filetmp,"%s%s%s",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand()); + cimg_std::sprintf(filetmp2,"%s_000001.ppm",filetmp); + if ((file=cimg_std::fopen(filetmp2,"rb"))!=0) cimg_std::fclose(file); + } while (file); + cimg_std::sprintf(filetmp2,"%s_%%6d.ppm",filetmp); +#if cimg_OS!=2 + cimg_std::sprintf(command,"%s -i \"%s\" %s >/dev/null 2>&1",cimg::ffmpeg_path(),filename,filetmp2); +#else + cimg_std::sprintf(command,"\"%s -i \"%s\" %s\" >NUL 2>&1",cimg::ffmpeg_path(),filename,filetmp2); +#endif + cimg::system(command,0); + const unsigned int odebug = cimg::exception_mode(); + cimg::exception_mode() = 0; + assign(); + unsigned int i = 1; + for (bool stopflag = false; !stopflag; ++i) { + cimg_std::sprintf(filetmp2,"%s_%.6u.ppm",filetmp,i); + CImg<T> img; + try { img.load_pnm(filetmp2); } + catch (CImgException&) { stopflag = true; } + if (img) { insert(img); cimg_std::remove(filetmp2); } + } + cimg::exception_mode() = odebug; + if (is_empty()) + throw CImgIOException("CImgList<%s>::load_ffmpeg_external() : Failed to open image sequence '%s'.\n" + "Check the filename and if the 'ffmpeg' tool is installed on your system.", + pixel_type(),filename); + return *this; + } + + static CImgList<T> get_load_ffmpeg_external(const char *const filename) { + return CImgList<T>().load_ffmpeg_external(filename); + } + + //! Load a gzipped list, using external tool 'gunzip'. + CImgList<T>& load_gzip_external(const char *const filename) { + if (!filename) + throw CImgIOException("CImg<%s>::load_gzip_external() : Cannot load (null) filename.", + pixel_type()); + char command[1024], filetmp[512], body[512]; + const char + *ext = cimg::split_filename(filename,body), + *ext2 = cimg::split_filename(body,0); + cimg_std::FILE *file = 0; + do { + if (!cimg::strcasecmp(ext,"gz")) { + if (*ext2) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext2); + else cimg_std::sprintf(filetmp,"%s%s%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } else { + if (*ext) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext); + else cimg_std::sprintf(filetmp,"%s%s%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + cimg_std::sprintf(command,"%s -c \"%s\" > %s",cimg::gunzip_path(),filename,filetmp); + cimg::system(command); + if (!(file = cimg_std::fopen(filetmp,"rb"))) { + cimg::fclose(cimg::fopen(filename,"r")); + throw CImgIOException("CImg<%s>::load_gzip_external() : File '%s' cannot be opened.", + pixel_type(),filename); + } else cimg::fclose(file); + load(filetmp); + cimg_std::remove(filetmp); + return *this; + } + + static CImgList<T> get_load_gzip_external(const char *const filename) { + return CImgList<T>().load_gzip_external(filename); + } + + //! Load a 3D object from a .OFF file. + template<typename tf, typename tc> + CImgList<T>& load_off(const char *const filename, + CImgList<tf>& primitives, CImgList<tc>& colors, + const bool invert_faces=false) { + return get_load_off(filename,primitives,colors,invert_faces).transfer_to(*this); + } + + template<typename tf, typename tc> + static CImgList<T> get_load_off(const char *const filename, + CImgList<tf>& primitives, CImgList<tc>& colors, + const bool invert_faces=false) { + return CImg<T>().load_off(filename,primitives,colors,invert_faces).get_split('x'); + } + + //! Load a TIFF file. + CImgList<T>& load_tiff(const char *const filename, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1) { + const unsigned int + nfirst_frame = first_frame<last_frame?first_frame:last_frame, + nstep_frame = step_frame?step_frame:1; + unsigned int nlast_frame = first_frame<last_frame?last_frame:first_frame; +#ifndef cimg_use_tiff + if (nfirst_frame || nlast_frame!=~0U || nstep_frame!=1) + throw CImgArgumentException("CImgList<%s>::load_tiff() : File '%s', reading sub-images from a tiff file requires the use of libtiff.\n" + "('cimg_use_tiff' must be defined).", + pixel_type(),filename); + return assign(CImg<T>::get_load_tiff(filename)); +#else + TIFF *tif = TIFFOpen(filename,"r"); + if (tif) { + unsigned int nb_images = 0; + do ++nb_images; while (TIFFReadDirectory(tif)); + if (nfirst_frame>=nb_images || (nlast_frame!=~0U && nlast_frame>=nb_images)) + cimg::warn("CImgList<%s>::load_tiff() : File '%s' contains %u image(s), specified frame range is [%u,%u] (step %u).", + pixel_type(),filename,nb_images,nfirst_frame,nlast_frame,nstep_frame); + if (nfirst_frame>=nb_images) return assign(); + if (nlast_frame>=nb_images) nlast_frame = nb_images-1; + assign(1+(nlast_frame-nfirst_frame)/nstep_frame); + TIFFSetDirectory(tif,0); +#if cimg_debug>=3 + TIFFSetWarningHandler(0); + TIFFSetErrorHandler(0); +#endif + cimglist_for(*this,l) data[l]._load_tiff(tif,nfirst_frame+l*nstep_frame); + TIFFClose(tif); + } else throw CImgException("CImgList<%s>::load_tiff() : File '%s' cannot be opened.", + pixel_type(),filename); + return *this; +#endif + } + + static CImgList<T> get_load_tiff(const char *const filename, + const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int step_frame=1) { + return CImgList<T>().load_tiff(filename,first_frame,last_frame,step_frame); + } + + //! Save an image list into a file. + /** + Depending on the extension of the given filename, a file format is chosen for the output file. + **/ + const CImgList<T>& save(const char *const filename, const int number=-1) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::save() : File '%s, instance list (%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",size,data); + if (!filename) + throw CImgArgumentException("CImg<%s>::save() : Instance list (%u,%p), specified filename is (null).", + pixel_type(),size,data); + const char *ext = cimg::split_filename(filename); + char nfilename[1024]; + const char *const fn = (number>=0)?cimg::number_filename(filename,number,6,nfilename):filename; +#ifdef cimglist_save_plugin + cimglist_save_plugin(fn); +#endif +#ifdef cimglist_save_plugin1 + cimglist_save_plugin1(fn); +#endif +#ifdef cimglist_save_plugin2 + cimglist_save_plugin2(fn); +#endif +#ifdef cimglist_save_plugin3 + cimglist_save_plugin3(fn); +#endif +#ifdef cimglist_save_plugin4 + cimglist_save_plugin4(fn); +#endif +#ifdef cimglist_save_plugin5 + cimglist_save_plugin5(fn); +#endif +#ifdef cimglist_save_plugin6 + cimglist_save_plugin6(fn); +#endif +#ifdef cimglist_save_plugin7 + cimglist_save_plugin7(fn); +#endif +#ifdef cimglist_save_plugin8 + cimglist_save_plugin8(fn); +#endif +#ifdef cimg_use_tiff + if (!cimg::strcasecmp(ext,"tif") || + !cimg::strcasecmp(ext,"tiff")) return save_tiff(fn); +#endif + if (!cimg::strcasecmp(ext,"cimgz")) return save_cimg(fn,true); + if (!cimg::strcasecmp(ext,"cimg") || !ext[0]) return save_cimg(fn,false); + if (!cimg::strcasecmp(ext,"yuv")) return save_yuv(fn,true); + if (!cimg::strcasecmp(ext,"avi") || + !cimg::strcasecmp(ext,"mov") || + !cimg::strcasecmp(ext,"asf") || + !cimg::strcasecmp(ext,"divx") || + !cimg::strcasecmp(ext,"flv") || + !cimg::strcasecmp(ext,"mpg") || + !cimg::strcasecmp(ext,"m1v") || + !cimg::strcasecmp(ext,"m2v") || + !cimg::strcasecmp(ext,"m4v") || + !cimg::strcasecmp(ext,"mjp") || + !cimg::strcasecmp(ext,"mkv") || + !cimg::strcasecmp(ext,"mpe") || + !cimg::strcasecmp(ext,"movie") || + !cimg::strcasecmp(ext,"ogm") || + !cimg::strcasecmp(ext,"qt") || + !cimg::strcasecmp(ext,"rm") || + !cimg::strcasecmp(ext,"vob") || + !cimg::strcasecmp(ext,"wmv") || + !cimg::strcasecmp(ext,"xvid") || + !cimg::strcasecmp(ext,"mpeg")) return save_ffmpeg(fn); + if (!cimg::strcasecmp(ext,"gz")) return save_gzip_external(fn); + if (size==1) data[0].save(fn,-1); else cimglist_for(*this,l) data[l].save(fn,l); + return *this; + } + + //! Save an image sequence, using FFMPEG library. + // This piece of code has been originally written by David. G. Starkweather. + const CImgList<T>& save_ffmpeg(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const unsigned int fps=25) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::save_ffmpeg() : File '%s', instance list (%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",size,data); + if (!filename) + throw CImgArgumentException("CImgList<%s>::save_ffmpeg() : Instance list (%u,%p), specified filename is (null).", + pixel_type(),size,data); + if (!fps) + throw CImgArgumentException("CImgList<%s>::save_ffmpeg() : File '%s', specified framerate is 0.", + pixel_type(),filename); + const unsigned int nlast_frame = last_frame==~0U?size-1:last_frame; + if (first_frame>=size || nlast_frame>=size) + throw CImgArgumentException("CImgList<%s>::save_ffmpeg() : File '%s', specified frames [%u,%u] are out of list range (%u elements).", + pixel_type(),filename,first_frame,last_frame,size); + for (unsigned int ll = first_frame; ll<=nlast_frame; ++ll) if (!data[ll].is_sameXYZ(data[0])) + throw CImgInstanceException("CImgList<%s>::save_ffmpeg() : File '%s', images of the sequence have different dimensions.", + pixel_type(),filename); + +#ifndef cimg_use_ffmpeg + return save_ffmpeg_external(filename,first_frame,last_frame); +#else + avcodec_register_all(); + av_register_all(); + const int + frame_dimx = data[first_frame].dimx(), + frame_dimy = data[first_frame].dimy(), + frame_dimv = data[first_frame].dimv(); + if (frame_dimv!=1 && frame_dimv!=3) + throw CImgInstanceException("CImgList<%s>::save_ffmpeg() : File '%s', image[0] (%u,%u,%u,%u,%p) has not 1 or 3 channels.", + pixel_type(),filename,data[0].width,data[0].height,data[0].depth,data[0].dim,data); + + PixelFormat dest_pxl_fmt = PIX_FMT_YUV420P; + PixelFormat src_pxl_fmt = (frame_dimv == 3)?PIX_FMT_RGB24:PIX_FMT_GRAY8; + + int sws_flags = SWS_FAST_BILINEAR; // Interpolation method (keeping same size images for now). + AVOutputFormat *fmt = 0; + fmt = guess_format(0,filename,0); + if (!fmt) fmt = guess_format("mpeg",0,0); // Default format "mpeg". + if (!fmt) + throw CImgArgumentException("CImgList<%s>::save_ffmpeg() : File '%s', could not determine file format from filename.", + pixel_type(),filename); + + AVFormatContext *oc = 0; + oc = av_alloc_format_context(); + if (!oc) // Failed to allocate format context. + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to allocate structure for format context.", + pixel_type(),filename); + + AVCodec *codec = 0; + AVFrame *picture = 0; + AVFrame *tmp_pict = 0; + oc->oformat = fmt; + cimg_std::sprintf(oc->filename,"%s",filename); + + // Add video stream. + int stream_index = 0; + AVStream *video_str = 0; + if (fmt->video_codec!=CODEC_ID_NONE) { + video_str = av_new_stream(oc,stream_index); + if (!video_str) { // Failed to allocate stream. + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to allocate video stream structure.", + pixel_type(),filename); + } + } else { // No codec identified. + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', no proper codec identified.", + pixel_type(),filename); + } + + AVCodecContext *c = video_str->codec; + c->codec_id = fmt->video_codec; + c->codec_type = CODEC_TYPE_VIDEO; + c->bit_rate = 400000; + c->width = frame_dimx; + c->height = frame_dimy; + c->time_base.num = 1; + c->time_base.den = fps; + c->gop_size = 12; + c->pix_fmt = dest_pxl_fmt; + if (c->codec_id == CODEC_ID_MPEG2VIDEO) c->max_b_frames = 2; + if (c->codec_id == CODEC_ID_MPEG1VIDEO) c->mb_decision = 2; + + if (av_set_parameters(oc,0)<0) { // Parameters not properly set. + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', parameters for avcodec not properly set.", + pixel_type(),filename); + } + + // Open codecs and alloc buffers. + codec = avcodec_find_encoder(c->codec_id); + if (!codec) { // Failed to find codec. + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', no codec found.", + pixel_type(),filename); + } + if (avcodec_open(c,codec)<0) // Failed to open codec. + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to open codec.", + pixel_type(),filename); + tmp_pict = avcodec_alloc_frame(); + if (!tmp_pict) { // Failed to allocate memory for tmp_pict frame. + avcodec_close(video_str->codec); + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to allocate memory for data buffer.", + pixel_type(),filename); + } + tmp_pict->linesize[0] = (src_pxl_fmt==PIX_FMT_RGB24)?3*frame_dimx:frame_dimx; + tmp_pict->type = FF_BUFFER_TYPE_USER; + int tmp_size = avpicture_get_size(src_pxl_fmt,frame_dimx,frame_dimy); + uint8_t *tmp_buffer = (uint8_t*)av_malloc(tmp_size); + if (!tmp_buffer) { // Failed to allocate memory for tmp buffer. + av_free(tmp_pict); + avcodec_close(video_str->codec); + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to allocate memory for data buffer.", + pixel_type(),filename); + } + + // Associate buffer with tmp_pict. + avpicture_fill((AVPicture*)tmp_pict,tmp_buffer,src_pxl_fmt,frame_dimx,frame_dimy); + picture = avcodec_alloc_frame(); + if (!picture) { // Failed to allocate picture frame. + av_free(tmp_pict->data[0]); + av_free(tmp_pict); + avcodec_close(video_str->codec); + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to allocate memory for picture frame.", + pixel_type(),filename); + } + + int size = avpicture_get_size(c->pix_fmt,frame_dimx,frame_dimy); + uint8_t *buffer = (uint8_t*)av_malloc(size); + if (!buffer) { // Failed to allocate picture frame buffer. + av_free(picture); + av_free(tmp_pict->data[0]); + av_free(tmp_pict); + avcodec_close(video_str->codec); + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to allocate memory for picture frame buffer.", + pixel_type(),filename); + } + + // Associate the buffer with picture. + avpicture_fill((AVPicture*)picture,buffer,c->pix_fmt,frame_dimx,frame_dimy); + + // Open file. + if (!(fmt->flags&AVFMT_NOFILE)) { + if (url_fopen(&oc->pb,filename,URL_WRONLY)<0) + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s' cannot be opened.", + pixel_type(),filename); + } + + if (av_write_header(oc)<0) + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', could not write header.", + pixel_type(),filename); + double video_pts; + SwsContext *img_convert_context = 0; + img_convert_context = sws_getContext(frame_dimx,frame_dimy,src_pxl_fmt, + c->width,c->height,c->pix_fmt,sws_flags,0,0,0); + if (!img_convert_context) { // Failed to get swscale context. + // if (!(fmt->flags & AVFMT_NOFILE)) url_fclose(&oc->pb); + av_free(picture->data); + av_free(picture); + av_free(tmp_pict->data[0]); + av_free(tmp_pict); + avcodec_close(video_str->codec); + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%', failed to get conversion context.", + pixel_type(),filename); + } + int ret = 0, out_size; + uint8_t *video_outbuf = 0; + int video_outbuf_size = 1000000; + video_outbuf = (uint8_t*)av_malloc(video_outbuf_size); + if (!video_outbuf) { + // if (!(fmt->flags & AVFMT_NOFILE)) url_fclose(&oc->pb); + av_free(picture->data); + av_free(picture); + av_free(tmp_pict->data[0]); + av_free(tmp_pict); + avcodec_close(video_str->codec); + av_free(oc); + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', memory allocation error.", + pixel_type(),filename); + } + + // Loop through each desired image in list. + for (unsigned int i = first_frame; i<=nlast_frame; ++i) { + CImg<uint8_t> currentIm = data[i], red, green, blue, gray; + if (src_pxl_fmt == PIX_FMT_RGB24) { + red = currentIm.get_shared_channel(0); + green = currentIm.get_shared_channel(1); + blue = currentIm.get_shared_channel(2); + cimg_forXY(currentIm,X,Y) { // Assign pizel values to data buffer in interlaced RGBRGB ... format. + tmp_pict->data[0][Y*tmp_pict->linesize[0] + 3*X] = red(X,Y); + tmp_pict->data[0][Y*tmp_pict->linesize[0] + 3*X + 1] = green(X,Y); + tmp_pict->data[0][Y*tmp_pict->linesize[0] + 3*X + 2] = blue(X,Y); + } + } else { + gray = currentIm.get_shared_channel(0); + cimg_forXY(currentIm,X,Y) tmp_pict->data[0][Y*tmp_pict->linesize[0] + X] = gray(X,Y); + } + + if (video_str) video_pts = (video_str->pts.val * video_str->time_base.num)/(video_str->time_base.den); + else video_pts = 0.0; + if (!video_str) break; + if (sws_scale(img_convert_context,tmp_pict->data,tmp_pict->linesize,0,c->height,picture->data,picture->linesize)<0) break; + out_size = avcodec_encode_video(c,video_outbuf,video_outbuf_size,picture); + if (out_size>0) { + AVPacket pkt; + av_init_packet(&pkt); + pkt.pts = av_rescale_q(c->coded_frame->pts,c->time_base,video_str->time_base); + if (c->coded_frame->key_frame) pkt.flags|=PKT_FLAG_KEY; + pkt.stream_index = video_str->index; + pkt.data = video_outbuf; + pkt.size = out_size; + ret = av_write_frame(oc,&pkt); + } else if (out_size<0) break; + if (ret) break; // Error occured in writing frame. + } + + // Close codec. + if (video_str) { + avcodec_close(video_str->codec); + av_free(picture->data[0]); + av_free(picture); + av_free(tmp_pict->data[0]); + av_free(tmp_pict); + } + if (av_write_trailer(oc)<0) + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to write trailer.", + pixel_type(),filename); + av_freep(&oc->streams[stream_index]->codec); + av_freep(&oc->streams[stream_index]); + if (!(fmt->flags&AVFMT_NOFILE)) { + /*if (url_fclose(oc->pb)<0) + throw CImgIOException("CImgList<%s>::save_ffmpeg() : File '%s', failed to close file.", + pixel_type(),filename); + */ + } + av_free(oc); + av_free(video_outbuf); +#endif + return *this; + } + + // Save an image sequence into a YUV file (internal). + const CImgList<T>& _save_yuv(cimg_std::FILE *const file, const char *const filename, const bool rgb2yuv) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::save_yuv() : File '%s', instance list (%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",size,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_yuv() : Instance list (%u,%p), specified file is (null).", + pixel_type(),size,data); + if ((*this)[0].dimx()%2 || (*this)[0].dimy()%2) + throw CImgInstanceException("CImgList<%s>::save_yuv() : File '%s', image dimensions must be even numbers (current are %ux%u).", + pixel_type(),filename?filename:"(FILE*)",(*this)[0].dimx(),(*this)[0].dimy()); + + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + cimglist_for(*this,l) { + CImg<ucharT> YCbCr((*this)[l]); + if (rgb2yuv) YCbCr.RGBtoYCbCr(); + cimg::fwrite(YCbCr.data,YCbCr.width*YCbCr.height,nfile); + cimg::fwrite(YCbCr.get_resize(YCbCr.width/2, YCbCr.height/2,1,3,3).ptr(0,0,0,1), + YCbCr.width*YCbCr.height/2,nfile); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save an image sequence into a YUV file. + const CImgList<T>& save_yuv(const char *const filename=0, const bool rgb2yuv=true) const { + return _save_yuv(0,filename,rgb2yuv); + } + + //! Save an image sequence into a YUV file. + const CImgList<T>& save_yuv(cimg_std::FILE *const file, const bool rgb2yuv=true) const { + return _save_yuv(file,0,rgb2yuv); + } + + //! Save an image list into a .cimg file. + /** + A CImg RAW file is a simple uncompressed binary file that may be used to save list of CImg<T> images. + \param filename : name of the output file. + \return A reference to the current CImgList instance is returned. + **/ + const CImgList<T>& _save_cimg(cimg_std::FILE *const file, const char *const filename, const bool compression) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::save_cimg() : File '%s', instance list (%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",size,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_cimg() : Instance list (%u,%p), specified file is (null).", + pixel_type(),size,data); + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + const char *const ptype = pixel_type(), *const etype = cimg::endianness()?"big":"little"; + if (cimg_std::strstr(ptype,"unsigned")==ptype) cimg_std::fprintf(nfile,"%u unsigned_%s %s_endian\n",size,ptype+9,etype); + else cimg_std::fprintf(nfile,"%u %s %s_endian\n",size,ptype,etype); + cimglist_for(*this,l) { + const CImg<T>& img = data[l]; + cimg_std::fprintf(nfile,"%u %u %u %u",img.width,img.height,img.depth,img.dim); + if (img.data) { + CImg<T> tmp; + if (cimg::endianness()) { tmp = img; cimg::invert_endianness(tmp.data,tmp.size()); } + const CImg<T>& ref = cimg::endianness()?tmp:img; + bool compressed = false; + if (compression) { +#ifdef cimg_use_zlib + const unsigned long siz = sizeof(T)*ref.size(); + unsigned long csiz = siz + siz/10 + 16; + Bytef *const cbuf = new Bytef[csiz]; + if (compress(cbuf,&csiz,(Bytef*)ref.data,siz)) { + cimg::warn("CImgList<%s>::save_cimg() : File '%s', failed to save compressed data.\n Data will be saved uncompressed.", + pixel_type(),filename?filename:"(FILE*)"); + compressed = false; + } else { + cimg_std::fprintf(nfile," #%lu\n",csiz); + cimg::fwrite(cbuf,csiz,nfile); + delete[] cbuf; + compressed = true; + } +#else + cimg::warn("CImgList<%s>::save_cimg() : File '%s', cannot save compressed data unless zlib is used " + "('cimg_use_zlib' must be defined).\n Data will be saved uncompressed.", + pixel_type(),filename?filename:"(FILE*)"); + compressed = false; +#endif + } + if (!compressed) { + cimg_std::fputc('\n',nfile); + cimg::fwrite(ref.data,ref.size(),nfile); + } + } else cimg_std::fputc('\n',nfile); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Save an image list into a CImg file (RAW binary file + simple header) + const CImgList<T>& save_cimg(cimg_std::FILE *file, const bool compress=false) const { + return _save_cimg(file,0,compress); + } + + //! Save an image list into a CImg file (RAW binary file + simple header) + const CImgList<T>& save_cimg(const char *const filename, const bool compress=false) const { + return _save_cimg(0,filename,compress); + } + + // Insert the instance image into into an existing .cimg file, at specified coordinates. + const CImgList<T>& _save_cimg(cimg_std::FILE *const file, const char *const filename, + const unsigned int n0, + const unsigned int x0, const unsigned int y0, + const unsigned int z0, const unsigned int v0) const { +#define _cimg_save_cimg_case(Ts,Tss) \ + if (!saved && !cimg::strcasecmp(Ts,str_pixeltype)) { \ + for (unsigned int l=0; l<lmax; ++l) { \ + j = 0; while((i=cimg_std::fgetc(nfile))!='\n') tmp[j++]=(char)i; tmp[j]='\0'; \ + W = H = D = V = 0; \ + if (cimg_std::sscanf(tmp,"%u %u %u %u",&W,&H,&D,&V)!=4) \ + throw CImgIOException("CImgList<%s>::save_cimg() : File '%s', Image %u has an invalid size (%u,%u,%u,%u)\n", \ + pixel_type(), filename?filename:("(FILE*)"), W, H, D, V); \ + if (W*H*D*V>0) { \ + if (l<n0 || x0>=W || y0>=H || z0>=D || v0>=D) cimg_std::fseek(nfile,W*H*D*V*sizeof(Tss),SEEK_CUR); \ + else { \ + const CImg<T>& img = (*this)[l-n0]; \ + const T *ptrs = img.data; \ + const unsigned int \ + x1 = x0 + img.width - 1, \ + y1 = y0 + img.height - 1, \ + z1 = z0 + img.depth - 1, \ + v1 = v0 + img.dim - 1, \ + nx1 = x1>=W?W-1:x1, \ + ny1 = y1>=H?H-1:y1, \ + nz1 = z1>=D?D-1:z1, \ + nv1 = v1>=V?V-1:v1; \ + CImg<Tss> raw(1+nx1-x0); \ + const unsigned int skipvb = v0*W*H*D*sizeof(Tss); \ + if (skipvb) cimg_std::fseek(nfile,skipvb,SEEK_CUR); \ + for (unsigned int v=1+nv1-v0; v; --v) { \ + const unsigned int skipzb = z0*W*H*sizeof(Tss); \ + if (skipzb) cimg_std::fseek(nfile,skipzb,SEEK_CUR); \ + for (unsigned int z=1+nz1-z0; z; --z) { \ + const unsigned int skipyb = y0*W*sizeof(Tss); \ + if (skipyb) cimg_std::fseek(nfile,skipyb,SEEK_CUR); \ + for (unsigned int y=1+ny1-y0; y; --y) { \ + const unsigned int skipxb = x0*sizeof(Tss); \ + if (skipxb) cimg_std::fseek(nfile,skipxb,SEEK_CUR); \ + raw.assign(ptrs, raw.width); \ + ptrs+=img.width; \ + if (endian) cimg::invert_endianness(raw.data,raw.width); \ + cimg::fwrite(raw.data,raw.width,nfile); \ + const unsigned int skipxe = (W-1-nx1)*sizeof(Tss); \ + if (skipxe) cimg_std::fseek(nfile,skipxe,SEEK_CUR); \ + } \ + const unsigned int skipye = (H-1-ny1)*W*sizeof(Tss); \ + if (skipye) cimg_std::fseek(nfile,skipye,SEEK_CUR); \ + } \ + const unsigned int skipze = (D-1-nz1)*W*H*sizeof(Tss); \ + if (skipze) cimg_std::fseek(nfile,skipze,SEEK_CUR); \ + } \ + const unsigned int skipve = (V-1-nv1)*W*H*D*sizeof(Tss); \ + if (skipve) cimg_std::fseek(nfile,skipve,SEEK_CUR); \ + } \ + } \ + } \ + saved = true; \ + } + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::save_cimg() : File '%s', instance list (%u,%p) is empty.", + pixel_type(),filename?filename:"(FILE*)",size,data); + if (!file && !filename) + throw CImgArgumentException("CImg<%s>::save_cimg() : Instance list (%u,%p), specified file is (null).", + pixel_type(),size,data); + typedef unsigned char uchar; + typedef unsigned short ushort; + typedef unsigned int uint; + typedef unsigned long ulong; + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"rb+"); + bool saved = false, endian = cimg::endianness(); + char tmp[256], str_pixeltype[256], str_endian[256]; + unsigned int j, err, N, W, H, D, V; + int i; + j = 0; while((i=cimg_std::fgetc(nfile))!='\n' && i!=EOF && j<256) tmp[j++] = (char)i; tmp[j] = '\0'; + err = cimg_std::sscanf(tmp,"%u%*c%255[A-Za-z_]%*c%255[sA-Za-z_ ]",&N,str_pixeltype,str_endian); + if (err<2) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImgList<%s>::save_cimg() : File '%s', Unknow CImg RAW header.", + pixel_type(),filename?filename:"(FILE*)"); + } + if (!cimg::strncasecmp("little",str_endian,6)) endian = false; + else if (!cimg::strncasecmp("big",str_endian,3)) endian = true; + const unsigned int lmax = cimg::min(N,n0+size); + _cimg_save_cimg_case("bool",bool); + _cimg_save_cimg_case("unsigned_char",uchar); + _cimg_save_cimg_case("uchar",uchar); + _cimg_save_cimg_case("char",char); + _cimg_save_cimg_case("unsigned_short",ushort); + _cimg_save_cimg_case("ushort",ushort); + _cimg_save_cimg_case("short",short); + _cimg_save_cimg_case("unsigned_int",uint); + _cimg_save_cimg_case("uint",uint); + _cimg_save_cimg_case("int",int); + _cimg_save_cimg_case("unsigned_long",ulong); + _cimg_save_cimg_case("ulong",ulong); + _cimg_save_cimg_case("long",long); + _cimg_save_cimg_case("float",float); + _cimg_save_cimg_case("double",double); + if (!saved) { + if (!file) cimg::fclose(nfile); + throw CImgIOException("CImgList<%s>::save_cimg() : File '%s', cannot save images of pixels coded as '%s'.", + pixel_type(),filename?filename:"(FILE*)",str_pixeltype); + } + if (!file) cimg::fclose(nfile); + return *this; + } + + //! Insert the instance image into into an existing .cimg file, at specified coordinates. + const CImgList<T>& save_cimg(const char *const filename, + const unsigned int n0, + const unsigned int x0, const unsigned int y0, + const unsigned int z0, const unsigned int v0) const { + return _save_cimg(0,filename,n0,x0,y0,z0,v0); + } + + //! Insert the instance image into into an existing .cimg file, at specified coordinates. + const CImgList<T>& save_cimg(cimg_std::FILE *const file, + const unsigned int n0, + const unsigned int x0, const unsigned int y0, + const unsigned int z0, const unsigned int v0) const { + return _save_cimg(file,0,n0,x0,y0,z0,v0); + } + + // Create an empty .cimg file with specified dimensions (internal) + static void _save_empty_cimg(cimg_std::FILE *const file, const char *const filename, + const unsigned int nb, + const unsigned int dx, const unsigned int dy, + const unsigned int dz, const unsigned int dv) { + cimg_std::FILE *const nfile = file?file:cimg::fopen(filename,"wb"); + const unsigned int siz = dx*dy*dz*dv*sizeof(T); + cimg_std::fprintf(nfile,"%u %s\n",nb,pixel_type()); + for (unsigned int i=nb; i; --i) { + cimg_std::fprintf(nfile,"%u %u %u %u\n",dx,dy,dz,dv); + for (unsigned int off=siz; off; --off) cimg_std::fputc(0,nfile); + } + if (!file) cimg::fclose(nfile); + } + + //! Create an empty .cimg file with specified dimensions. + static void save_empty_cimg(const char *const filename, + const unsigned int nb, + const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1) { + return _save_empty_cimg(0,filename,nb,dx,dy,dz,dv); + } + + //! Create an empty .cimg file with specified dimensions. + static void save_empty_cimg(cimg_std::FILE *const file, + const unsigned int nb, + const unsigned int dx, const unsigned int dy=1, + const unsigned int dz=1, const unsigned int dv=1) { + return _save_empty_cimg(file,0,nb,dx,dy,dz,dv); + } + + //! Save a file in TIFF format. +#ifdef cimg_use_tiff + const CImgList<T>& save_tiff(const char *const filename) const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::save_tiff() : File '%s', instance list (%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",size,data); + if (!filename) + throw CImgArgumentException("CImgList<%s>::save_tiff() : Specified filename is (null) for instance list (%u,%p).", + pixel_type(),size,data); + TIFF *tif = TIFFOpen(filename,"w"); + if (tif) { + for (unsigned int dir=0, l=0; l<size; ++l) { + const CImg<T>& img = (*this)[l]; + if (img) { + if (img.depth==1) img._save_tiff(tif,dir++); + else cimg_forZ(img,z) img.get_slice(z)._save_tiff(tif,dir++); + } + } + TIFFClose(tif); + } else + throw CImgException("CImgList<%s>::save_tiff() : File '%s', error while opening stream for tiff file.", + pixel_type(),filename); + return *this; + } +#endif + + //! Save an image list as a gzipped file, using external tool 'gzip'. + const CImgList<T>& save_gzip_external(const char *const filename) const { + if (!filename) + throw CImgIOException("CImg<%s>::save_gzip_external() : Cannot save (null) filename.", + pixel_type()); + char command[1024], filetmp[512], body[512]; + const char + *ext = cimg::split_filename(filename,body), + *ext2 = cimg::split_filename(body,0); + cimg_std::FILE *file; + do { + if (!cimg::strcasecmp(ext,"gz")) { + if (*ext2) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext2); + else cimg_std::sprintf(filetmp,"%s%s%s.cimg",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } else { + if (*ext) cimg_std::sprintf(filetmp,"%s%s%s.%s",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand(),ext); + else cimg_std::sprintf(filetmp,"%s%s%s.cimg",cimg::temporary_path(),cimg_OS==2?"\\":"/", + cimg::filenamerand()); + } + if ((file=cimg_std::fopen(filetmp,"rb"))!=0) cimg_std::fclose(file); + } while (file); + save(filetmp); + cimg_std::sprintf(command,"%s -c %s > \"%s\"",cimg::gzip_path(),filetmp,filename); + cimg::system(command); + file = cimg_std::fopen(filename,"rb"); + if (!file) + throw CImgIOException("CImgList<%s>::save_gzip_external() : File '%s' cannot be saved.", + pixel_type(),filename); + else cimg::fclose(file); + cimg_std::remove(filetmp); + return *this; + } + + //! Save an image list into a OFF file. + template<typename tf, typename tc> + const CImgList<T>& save_off(const char *const filename, + const CImgList<tf>& primitives, const CImgList<tc>& colors, const bool invert_faces=false) const { + get_append('x','y').save_off(filename,primitives,colors,invert_faces); + return *this; + } + + //! Save an image list into a OFF file. + template<typename tf, typename tc> + const CImgList<T>& save_off(cimg_std::FILE *const file, + const CImgList<tf>& primitives, const CImgList<tc>& colors, const bool invert_faces=false) const { + get_append('x','y').save_off(file,primitives,colors,invert_faces); + return *this; + } + + //! Save an image sequence using the external tool 'ffmpeg'. + const CImgList<T>& save_ffmpeg_external(const char *const filename, const unsigned int first_frame=0, const unsigned int last_frame=~0U, + const char *const codec="mpeg2video") const { + if (is_empty()) + throw CImgInstanceException("CImgList<%s>::save_ffmpeg_external() : File '%s', instance list (%u,%p) is empty.", + pixel_type(),filename?filename:"(null)",size,data); + if (!filename) + throw CImgArgumentException("CImgList<%s>::save_ffmpeg_external() : Instance list (%u,%p), specified filename is (null).", + pixel_type(),size,data); + char command[1024], filetmp[512], filetmp2[512]; + cimg_std::FILE *file = 0; + const unsigned int nlast_frame = last_frame==~0U?size-1:last_frame; + if (first_frame>=size || nlast_frame>=size) + throw CImgArgumentException("CImgList<%s>::save_ffmpeg_external() : File '%s', specified frames [%u,%u] are out of list range (%u elements).", + pixel_type(),filename,first_frame,last_frame,size); + for (unsigned int ll = first_frame; ll<=nlast_frame; ++ll) if (!data[ll].is_sameXYZ(data[0])) + throw CImgInstanceException("CImgList<%s>::save_ffmpeg_external() : File '%s', all images of the sequence must be of the same dimension.", + pixel_type(),filename); + do { + cimg_std::sprintf(filetmp,"%s%s%s",cimg::temporary_path(),cimg_OS==2?"\\":"/",cimg::filenamerand()); + cimg_std::sprintf(filetmp2,"%s_000001.ppm",filetmp); + if ((file=cimg_std::fopen(filetmp2,"rb"))!=0) cimg_std::fclose(file); + } while (file); + for (unsigned int l = first_frame; l<=nlast_frame; ++l) { + cimg_std::sprintf(filetmp2,"%s_%.6u.ppm",filetmp,l+1); + if (data[l].depth>1 || data[l].dim!=3) data[l].get_resize(-100,-100,1,3).save_pnm(filetmp2); + else data[l].save_pnm(filetmp2); + } +#if cimg_OS!=2 + cimg_std::sprintf(command,"ffmpeg -i %s_%%6d.ppm -vcodec %s -sameq -y \"%s\" >/dev/null 2>&1",filetmp,codec,filename); +#else + cimg_std::sprintf(command,"\"ffmpeg -i %s_%%6d.ppm -vcodec %s -sameq -y \"%s\"\" >NUL 2>&1",filetmp,codec,filename); +#endif + cimg::system(command); + file = cimg_std::fopen(filename,"rb"); + if (!file) + throw CImgIOException("CImg<%s>::save_ffmpeg_external() : Failed to save image sequence '%s'.\n\n", + pixel_type(),filename); + else cimg::fclose(file); + cimglist_for(*this,lll) { cimg_std::sprintf(filetmp2,"%s_%.6u.ppm",filetmp,lll+1); cimg_std::remove(filetmp2); } + return *this; + } + + }; + + /* + #--------------------------------------------- + # + # Completion of previously declared functions + # + #---------------------------------------------- + */ + +namespace cimg { + + //! Display a dialog box, where a user can click standard buttons. + /** + Up to 6 buttons can be defined in the dialog window. + This function returns when a user clicked one of the button or closed the dialog window. + \param title = Title of the dialog window. + \param msg = Main message displayed inside the dialog window. + \param button1_txt = Label of the 1st button. + \param button2_txt = Label of the 2nd button. + \param button3_txt = Label of the 3rd button. + \param button4_txt = Label of the 4th button. + \param button5_txt = Label of the 5th button. + \param button6_txt = Label of the 6th button. + \param logo = Logo image displayed at the left of the main message. This parameter is optional. + \param centering = Tell to center the dialog window on the screen. + \return The button number (from 0 to 5), or -1 if the dialog window has been closed by the user. + \note If a button text is set to 0, then the corresponding button (and the followings) won't appear in + the dialog box. At least one button is necessary. + **/ + + template<typename t> + inline int dialog(const char *title, const char *msg, + const char *button1_txt, const char *button2_txt, + const char *button3_txt, const char *button4_txt, + const char *button5_txt, const char *button6_txt, + const CImg<t>& logo, const bool centering = false) { +#if cimg_display!=0 + const unsigned char + black[] = { 0,0,0 }, white[] = { 255,255,255 }, gray[] = { 200,200,200 }, gray2[] = { 150,150,150 }; + + // Create buttons and canvas graphics + CImgList<unsigned char> buttons, cbuttons, sbuttons; + if (button1_txt) { buttons.insert(CImg<unsigned char>().draw_text(0,0,button1_txt,black,gray,1,13)); + if (button2_txt) { buttons.insert(CImg<unsigned char>().draw_text(0,0,button2_txt,black,gray,1,13)); + if (button3_txt) { buttons.insert(CImg<unsigned char>().draw_text(0,0,button3_txt,black,gray,1,13)); + if (button4_txt) { buttons.insert(CImg<unsigned char>().draw_text(0,0,button4_txt,black,gray,1,13)); + if (button5_txt) { buttons.insert(CImg<unsigned char>().draw_text(0,0,button5_txt,black,gray,1,13)); + if (button6_txt) { buttons.insert(CImg<unsigned char>().draw_text(0,0,button6_txt,black,gray,1,13)); + }}}}}} + if (!buttons.size) + throw CImgArgumentException("cimg::dialog() : No buttons have been defined. At least one is necessary"); + + unsigned int bw = 0, bh = 0; + cimglist_for(buttons,l) { bw = cimg::max(bw,buttons[l].width); bh = cimg::max(bh,buttons[l].height); } + bw+=8; bh+=8; + if (bw<64) bw=64; + if (bw>128) bw=128; + if (bh<24) bh=24; + if (bh>48) bh=48; + + CImg<unsigned char> button(bw,bh,1,3); + button.draw_rectangle(0,0,bw-1,bh-1,gray); + button.draw_line(0,0,bw-1,0,white).draw_line(0,bh-1,0,0,white); + button.draw_line(bw-1,0,bw-1,bh-1,black).draw_line(bw-1,bh-1,0,bh-1,black); + button.draw_line(1,bh-2,bw-2,bh-2,gray2).draw_line(bw-2,bh-2,bw-2,1,gray2); + CImg<unsigned char> sbutton(bw,bh,1,3); + sbutton.draw_rectangle(0,0,bw-1,bh-1,gray); + sbutton.draw_line(0,0,bw-1,0,black).draw_line(bw-1,0,bw-1,bh-1,black); + sbutton.draw_line(bw-1,bh-1,0,bh-1,black).draw_line(0,bh-1,0,0,black); + sbutton.draw_line(1,1,bw-2,1,white).draw_line(1,bh-2,1,1,white); + sbutton.draw_line(bw-2,1,bw-2,bh-2,black).draw_line(bw-2,bh-2,1,bh-2,black); + sbutton.draw_line(2,bh-3,bw-3,bh-3,gray2).draw_line(bw-3,bh-3,bw-3,2,gray2); + sbutton.draw_line(4,4,bw-5,4,black,1,0xAAAAAAAA,true).draw_line(bw-5,4,bw-5,bh-5,black,1,0xAAAAAAAA,false); + sbutton.draw_line(bw-5,bh-5,4,bh-5,black,1,0xAAAAAAAA,false).draw_line(4,bh-5,4,4,black,1,0xAAAAAAAA,false); + CImg<unsigned char> cbutton(bw,bh,1,3); + cbutton.draw_rectangle(0,0,bw-1,bh-1,black).draw_rectangle(1,1,bw-2,bh-2,gray2).draw_rectangle(2,2,bw-3,bh-3,gray); + cbutton.draw_line(4,4,bw-5,4,black,1,0xAAAAAAAA,true).draw_line(bw-5,4,bw-5,bh-5,black,1,0xAAAAAAAA,false); + cbutton.draw_line(bw-5,bh-5,4,bh-5,black,1,0xAAAAAAAA,false).draw_line(4,bh-5,4,4,black,1,0xAAAAAAAA,false); + + cimglist_for(buttons,ll) { + cbuttons.insert(CImg<unsigned char>(cbutton).draw_image(1+(bw-buttons[ll].dimx())/2,1+(bh-buttons[ll].dimy())/2,buttons[ll])); + sbuttons.insert(CImg<unsigned char>(sbutton).draw_image((bw-buttons[ll].dimx())/2,(bh-buttons[ll].dimy())/2,buttons[ll])); + buttons[ll] = CImg<unsigned char>(button).draw_image((bw-buttons[ll].dimx())/2,(bh-buttons[ll].dimy())/2,buttons[ll]); + } + + CImg<unsigned char> canvas; + if (msg) canvas = CImg<unsigned char>().draw_text(0,0,msg,black,gray,1,13); + const unsigned int + bwall = (buttons.size-1)*(12+bw) + bw, + w = cimg::max(196U,36+logo.width+canvas.width, 24+bwall), + h = cimg::max(96U,36+canvas.height+bh,36+logo.height+bh), + lx = 12 + (canvas.data?0:((w-24-logo.width)/2)), + ly = (h-12-bh-logo.height)/2, + tx = lx+logo.width+12, + ty = (h-12-bh-canvas.height)/2, + bx = (w-bwall)/2, + by = h-12-bh; + + if (canvas.data) + canvas = CImg<unsigned char>(w,h,1,3). + draw_rectangle(0,0,w-1,h-1,gray). + draw_line(0,0,w-1,0,white).draw_line(0,h-1,0,0,white). + draw_line(w-1,0,w-1,h-1,black).draw_line(w-1,h-1,0,h-1,black). + draw_image(tx,ty,canvas); + else + canvas = CImg<unsigned char>(w,h,1,3). + draw_rectangle(0,0,w-1,h-1,gray). + draw_line(0,0,w-1,0,white).draw_line(0,h-1,0,0,white). + draw_line(w-1,0,w-1,h-1,black).draw_line(w-1,h-1,0,h-1,black); + if (logo.data) canvas.draw_image(lx,ly,logo); + + unsigned int xbuttons[6]; + cimglist_for(buttons,lll) { xbuttons[lll] = bx+(bw+12)*lll; canvas.draw_image(xbuttons[lll],by,buttons[lll]); } + + // Open window and enter events loop + CImgDisplay disp(canvas,title?title:" ",0,false,centering?true:false); + if (centering) disp.move((CImgDisplay::screen_dimx()-disp.dimx())/2, + (CImgDisplay::screen_dimy()-disp.dimy())/2); + bool stopflag = false, refresh = false; + int oselected = -1, oclicked = -1, selected = -1, clicked = -1; + while (!disp.is_closed && !stopflag) { + if (refresh) { + if (clicked>=0) CImg<unsigned char>(canvas).draw_image(xbuttons[clicked],by,cbuttons[clicked]).display(disp); + else { + if (selected>=0) CImg<unsigned char>(canvas).draw_image(xbuttons[selected],by,sbuttons[selected]).display(disp); + else canvas.display(disp); + } + refresh = false; + } + disp.wait(15); + if (disp.is_resized) disp.resize(disp); + + if (disp.button&1) { + oclicked = clicked; + clicked = -1; + cimglist_for(buttons,l) + if (disp.mouse_y>=(int)by && disp.mouse_y<(int)(by+bh) && + disp.mouse_x>=(int)xbuttons[l] && disp.mouse_x<(int)(xbuttons[l]+bw)) { + clicked = selected = l; + refresh = true; + } + if (clicked!=oclicked) refresh = true; + } else if (clicked>=0) stopflag = true; + + if (disp.key) { + oselected = selected; + switch (disp.key) { + case cimg::keyESC : selected=-1; stopflag=true; break; + case cimg::keyENTER : if (selected<0) selected = 0; stopflag = true; break; + case cimg::keyTAB : + case cimg::keyARROWRIGHT : + case cimg::keyARROWDOWN : selected = (selected+1)%buttons.size; break; + case cimg::keyARROWLEFT : + case cimg::keyARROWUP : selected = (selected+buttons.size-1)%buttons.size; break; + } + disp.key = 0; + if (selected!=oselected) refresh = true; + } + } + if (!disp) selected = -1; + return selected; +#else + cimg_std::fprintf(cimg_stdout,"<%s>\n\n%s\n\n",title,msg); + return -1+0*(int)(button1_txt-button2_txt+button3_txt-button4_txt+button5_txt-button6_txt+logo.width+(int)centering); +#endif + } + + inline int dialog(const char *title, const char *msg, + const char *button1_txt, const char *button2_txt, const char *button3_txt, + const char *button4_txt, const char *button5_txt, const char *button6_txt, + const bool centering) { + return dialog(title,msg,button1_txt,button2_txt,button3_txt,button4_txt,button5_txt,button6_txt, + CImg<unsigned char>::logo40x38(),centering); + } + + // End of cimg:: namespace +} + + // End of cimg_library:: namespace +} + +#ifdef _cimg_redefine_min +#define min(a,b) (((a)<(b))?(a):(b)) +#endif +#ifdef _cimg_redefine_max +#define max(a,b) (((a)>(b))?(a):(b)) +#endif + +#endif |