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Diffstat (limited to 'src/libs/dimg/dimg.cpp')
-rw-r--r-- | src/libs/dimg/dimg.cpp | 1700 |
1 files changed, 1700 insertions, 0 deletions
diff --git a/src/libs/dimg/dimg.cpp b/src/libs/dimg/dimg.cpp new file mode 100644 index 00000000..d61f2dd0 --- /dev/null +++ b/src/libs/dimg/dimg.cpp @@ -0,0 +1,1700 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-06-14 + * Description : digiKam 8/16 bits image management API + * + * Copyright (C) 2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu> + * Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com> + * Copyright (C) 2006-2007 by Marcel Wiesweg <marcel.wiesweg@gmx.de> + * + * This program is free software; you can redistribute it + * and/or modify it under the terms of the GNU General + * Public License as published by the Free Software Foundation; + * either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * ============================================================ */ + +// C ANSI includes. + +extern "C" +{ +#if !defined(__STDC_LIMIT_MACROS) +#define __STDC_LIMIT_MACROS +#endif +#include <stdint.h> +} + +// C++ includes. + +#include <cstdio> + +// TQt includes. + +#include <tqfile.h> +#include <tqfileinfo.h> +#include <tqmap.h> + +// LibKDcraw includes. + +#include <libkdcraw/version.h> +#include <libkdcraw/kdcraw.h> + +#if KDCRAW_VERSION < 0x000106 +#include <libkdcraw/dcrawbinary.h> +#endif + +// Local includes. + +#include "pngloader.h" +#include "jpegloader.h" +#include "tiffloader.h" +#include "ppmloader.h" +#include "rawloader.h" +#include "jp2kloader.h" +#include "qimageloader.h" +#include "icctransform.h" +#include "exposurecontainer.h" +#include "ddebug.h" +#include "dimgprivate.h" +#include "dimgloaderobserver.h" +#include "dimg.h" + +typedef uint64_t ullong; +typedef int64_t llong; + +namespace Digikam +{ + +DImg::DImg() + : m_priv(new DImgPrivate) +{ +} + +DImg::DImg(const TQCString& filePath, DImgLoaderObserver *observer, + DRawDecoding rawDecodingSettings) + : m_priv(new DImgPrivate) +{ + load(filePath, observer, rawDecodingSettings); +} + +DImg::DImg(const TQString& filePath, DImgLoaderObserver *observer, + DRawDecoding rawDecodingSettings) + : m_priv(new DImgPrivate) +{ + load(filePath, observer, rawDecodingSettings); +} + +DImg::DImg(const DImg& image) +{ + m_priv = image.m_priv; + m_priv->ref(); +} + +DImg::DImg(uint width, uint height, bool sixteenBit, bool alpha, uchar* data, bool copyData) + : m_priv(new DImgPrivate) +{ + putImageData(width, height, sixteenBit, alpha, data, copyData); +} + +DImg::DImg(const DImg &image, int w, int h) + : m_priv(new DImgPrivate) +{ + // This private constructor creates a copy of everything except the data. + // The image size is set to the given values and a buffer corresponding to these values is allocated. + // This is used by copy and scale. + copyImageData(image.m_priv); + copyMetaData(image.m_priv); + setImageDimension(w, h); + allocateData(); +} + +DImg::DImg(const TQImage& image) + : m_priv(new DImgPrivate) +{ + if (!image.isNull()) + { + TQImage target = image.convertDepth(32); + + uint w = target.width(); + uint h = target.height(); + uchar* data = new uchar[w*h*4]; + uint* sptr = (uint*)target.bits(); + uchar* dptr = data; + + for (uint i = 0 ; i < w*h ; i++) + { + dptr[0] = tqBlue(*sptr); + dptr[1] = tqGreen(*sptr); + dptr[2] = tqRed(*sptr); + dptr[3] = tqAlpha(*sptr); + + dptr += 4; + sptr++; + } + + putImageData(w, h, false, image.hasAlphaBuffer(), data, false); + } +} + +DImg::~DImg() +{ + if (m_priv->deref()) + delete m_priv; +} + + +//--------------------------------------------------------------------------------------------------- +// data management + + +DImg& DImg::operator=(const DImg& image) +{ + if (m_priv == image.m_priv) + return *this; + + if (m_priv->deref()) + { + delete m_priv; + m_priv = 0; + } + + m_priv = image.m_priv; + m_priv->ref(); + + return *this; +} + +bool DImg::operator==(const DImg& image) const +{ + return m_priv == image.m_priv; +} + +void DImg::reset(void) +{ + if (m_priv->deref()) + delete m_priv; + + m_priv = new DImgPrivate; +} + +void DImg::detach() +{ + // are we being shared? + if (m_priv->count <= 1) + { + return; + } + + DImgPrivate* old = m_priv; + + m_priv = new DImgPrivate; + copyImageData(old); + copyMetaData(old); + + if (old->data) + { + int size = allocateData(); + memcpy(m_priv->data, old->data, size); + } + + old->deref(); +} + +void DImg::putImageData(uint width, uint height, bool sixteenBit, bool alpha, uchar *data, bool copyData) +{ + // set image data, metadata is untouched + + bool null = (width == 0) || (height == 0); + // allocateData, or code below will set null to false + setImageData(true, width, height, sixteenBit, alpha); + + // replace data + delete [] m_priv->data; + if (null) + { + // image is null - no data + m_priv->data = 0; + } + else if (copyData) + { + int size = allocateData(); + if (data) + memcpy(m_priv->data, data, size); + } + else + { + if (data) + { + m_priv->data = data; + m_priv->null = false; + } + else + allocateData(); + } +} + +void DImg::putImageData(uchar *data, bool copyData) +{ + if (!data) + { + delete [] m_priv->data; + m_priv->data = 0; + m_priv->null = true; + } + else if (copyData) + { + memcpy(m_priv->data, data, numBytes()); + } + else + { + m_priv->data = data; + } +} + +void DImg::resetMetaData() +{ + m_priv->attributes.clear(); + m_priv->embeddedText.clear(); + m_priv->metaData.clear(); +} + +uchar *DImg::stripImageData() +{ + uchar *data = m_priv->data; + m_priv->data = 0; + m_priv->null = true; + return data; +} + +void DImg::copyMetaData(const DImgPrivate *src) +{ + m_priv->isReadOnly = src->isReadOnly; + m_priv->attributes = src->attributes; + m_priv->embeddedText = src->embeddedText; + + // since qbytearrays are explicitly shared, we need to make sure that they are + // detached from any shared references + + for (TQMap<int, TQByteArray>::const_iterator it = src->metaData.begin(); + it != src->metaData.end(); ++it) + { + m_priv->metaData.insert(it.key(), it.data().copy()); + } +} + +void DImg::copyImageData(const DImgPrivate *src) +{ + setImageData(src->null, src->width, src->height, src->sixteenBit, src->alpha); +} + +int DImg::allocateData() +{ + int size = m_priv->width * m_priv->height * (m_priv->sixteenBit ? 8 : 4); + m_priv->data = new uchar[size]; + m_priv->null = false; + return size; +} + +void DImg::setImageDimension(uint width, uint height) +{ + m_priv->width = width; + m_priv->height = height; +} + +void DImg::setImageData(bool null, uint width, uint height, bool sixteenBit, bool alpha) +{ + m_priv->null = null; + m_priv->width = width; + m_priv->height = height; + m_priv->alpha = alpha; + m_priv->sixteenBit = sixteenBit; +} + + +//--------------------------------------------------------------------------------------------------- +// load and save + + +bool DImg::load(const TQString& filePath, DImgLoaderObserver *observer, + DRawDecoding rawDecodingSettings) +{ + FORMAT format = fileFormat(filePath); + + switch (format) + { + case(NONE): + { + DDebug() << filePath << " : Unknown image format !!!" << endl; + return false; + break; + } + case(JPEG): + { + DDebug() << filePath << " : JPEG file identified" << endl; + JPEGLoader loader(this); + if (loader.load(filePath, observer)) + { + m_priv->null = false; + m_priv->alpha = loader.hasAlpha(); + m_priv->sixteenBit = loader.sixteenBit(); + m_priv->isReadOnly = loader.isReadOnly(); + return true; + } + break; + } + case(TIFF): + { + DDebug() << filePath << " : TIFF file identified" << endl; + TIFFLoader loader(this); + if (loader.load(filePath, observer)) + { + m_priv->null = false; + m_priv->alpha = loader.hasAlpha(); + m_priv->sixteenBit = loader.sixteenBit(); + m_priv->isReadOnly = loader.isReadOnly(); + return true; + } + break; + } + case(PNG): + { + DDebug() << filePath << " : PNG file identified" << endl; + PNGLoader loader(this); + if (loader.load(filePath, observer)) + { + m_priv->null = false; + m_priv->alpha = loader.hasAlpha(); + m_priv->sixteenBit = loader.sixteenBit(); + m_priv->isReadOnly = loader.isReadOnly(); + return true; + } + break; + } + case(PPM): + { + DDebug() << filePath << " : PPM file identified" << endl; + PPMLoader loader(this); + if (loader.load(filePath, observer)) + { + m_priv->null = false; + m_priv->alpha = loader.hasAlpha(); + m_priv->sixteenBit = loader.sixteenBit(); + m_priv->isReadOnly = loader.isReadOnly(); + return true; + } + break; + } + case(RAW): + { + DDebug() << filePath << " : RAW file identified" << endl; + RAWLoader loader(this, rawDecodingSettings); + if (loader.load(filePath, observer)) + { + m_priv->null = false; + m_priv->alpha = loader.hasAlpha(); + m_priv->sixteenBit = loader.sixteenBit(); + m_priv->isReadOnly = loader.isReadOnly(); + return true; + } + break; + } + case(JP2K): + { + DDebug() << filePath << " : JPEG2000 file identified" << endl; + JP2KLoader loader(this); + if (loader.load(filePath, observer)) + { + m_priv->null = false; + m_priv->alpha = loader.hasAlpha(); + m_priv->sixteenBit = loader.sixteenBit(); + m_priv->isReadOnly = loader.isReadOnly(); + return true; + } + break; + } + default: + { + DDebug() << filePath << " : TQIMAGE file identified" << endl; + TQImageLoader loader(this); + if (loader.load(filePath, observer)) + { + m_priv->null = false; + m_priv->alpha = loader.hasAlpha(); + m_priv->sixteenBit = loader.sixteenBit(); + m_priv->isReadOnly = loader.isReadOnly(); + return true; + } + break; + } + } + + return false; +} + +bool DImg::save(const TQString& filePath, const TQString& format, DImgLoaderObserver *observer) +{ + if (isNull()) + return false; + + if (format.isEmpty()) + return false; + + TQString frm = format.upper(); + + if (frm == "JPEG" || frm == "JPG" || frm == "JPE") + { + JPEGLoader loader(this); + return loader.save(filePath, observer); + } + else if (frm == "PNG") + { + PNGLoader loader(this); + return loader.save(filePath, observer); + } + else if (frm == "TIFF" || frm == "TIF") + { + TIFFLoader loader(this); + return loader.save(filePath, observer); + } + else if (frm == "PPM") + { + PPMLoader loader(this); + return loader.save(filePath, observer); + } + if (frm == "JP2" || frm == "JPX" || frm == "JPC" || frm == "PGX") + { + JP2KLoader loader(this); + return loader.save(filePath, observer); + } + else + { + setAttribute("format", format); + TQImageLoader loader(this); + return loader.save(filePath, observer); + } + + return false; +} + +DImg::FORMAT DImg::fileFormat(const TQString& filePath) +{ + if ( filePath.isNull() ) + return NONE; + + // In first we trying to check the file extension. This is mandatory because + // some tiff files are detected like RAW files by dcraw::identify method. + + TQFileInfo fileInfo(filePath); + if (!fileInfo.exists()) + { + DDebug() << k_funcinfo << "File \"" << filePath << "\" does not exist" << endl; + return NONE; + } + +#if KDCRAW_VERSION < 0x000106 + TQString rawFilesExt(KDcrawIface::DcrawBinary::instance()->rawFiles()); +#else + TQString rawFilesExt(KDcrawIface::KDcraw::rawFiles()); +#endif + TQString ext = fileInfo.extension(false).upper(); + + if (!ext.isEmpty()) + { + if (ext == TQString("JPEG") || ext == TQString("JPG") || ext == TQString("JPE")) + return JPEG; + else if (ext == TQString("PNG")) + return PNG; + else if (ext == TQString("TIFF") || ext == TQString("TIF")) + return TIFF; + else if (rawFilesExt.upper().contains(ext)) + return RAW; + if (ext == TQString("JP2") || ext == TQString("JPX") || // JPEG2000 file format + ext == TQString("JPC") || // JPEG2000 code stream + ext == TQString("PGX")) // JPEG2000 WM format + return JP2K; + } + + // In second, we trying to parse file header. + + FILE* f = fopen(TQFile::encodeName(filePath), "rb"); + + if (!f) + { + DDebug() << k_funcinfo << "Failed to open file \"" << filePath << "\"" << endl; + return NONE; + } + + const int headerLen = 9; + unsigned char header[headerLen]; + + if (fread(&header, headerLen, 1, f) != 1) + { + DDebug() << k_funcinfo << "Failed to read header of file \"" << filePath << "\"" << endl; + fclose(f); + return NONE; + } + + fclose(f); + + KDcrawIface::DcrawInfoContainer dcrawIdentify; + KDcrawIface::KDcraw::rawFileIdentify(dcrawIdentify, filePath); + uchar jpegID[2] = { 0xFF, 0xD8 }; + uchar tiffBigID[2] = { 0x4D, 0x4D }; + uchar tiffLilID[2] = { 0x49, 0x49 }; + uchar pngID[8] = { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A }; + uchar jp2ID[5] = { 0x6A, 0x50, 0x20, 0x20, 0x0D, }; + uchar jpcID[2] = { 0xFF, 0x4F }; + + if (memcmp(&header, &jpegID, 2) == 0) // JPEG file ? + { + return JPEG; + } + else if (memcmp(&header, &pngID, 8) == 0) // PNG file ? + { + return PNG; + } + else if (memcmp(&header[0], "P", 1) == 0 && + memcmp(&header[2], "\n", 1) == 0) // PPM 16 bits file ? + { + int width, height, rgbmax; + char nl; + FILE *file = fopen(TQFile::encodeName(filePath), "rb"); + + if (fscanf (file, "P6 %d %d %d%c", &width, &height, &rgbmax, &nl) == 4) + { + if (rgbmax > 255) + { + pclose (file); + return PPM; + } + } + + pclose (file); + } + else if (dcrawIdentify.isDecodable) + { + // RAW File test using dcraw::identify method. + // Need to test it before TIFF because any RAW file + // formats using TIFF header. + return RAW; + } + else if (memcmp(&header, &tiffBigID, 2) == 0 || // TIFF file ? + memcmp(&header, &tiffLilID, 2) == 0) + { + return TIFF; + } + else if (memcmp(&header[4], &jp2ID, 5) == 0 || // JPEG2000 file ? + memcmp(&header, &jpcID, 2) == 0) + { + return JP2K; + } + + // In others cases, TQImage will be used to try to open file. + return TQIMAGE; +} + + +//--------------------------------------------------------------------------------------------------- +// accessing properties + + +bool DImg::isNull() const +{ + return m_priv->null; +} + +uint DImg::width() const +{ + return m_priv->width; +} + +uint DImg::height() const +{ + return m_priv->height; +} + +TQSize DImg::size() const +{ + return TQSize(m_priv->width, m_priv->height); +} + +uchar* DImg::bits() const +{ + return m_priv->data; +} + +uchar* DImg::scanLine(uint i) const +{ + if ( i >= height() ) + return 0; + + uchar *data = bits() + (width() * bytesDepth() * i); + return data; +} + +bool DImg::hasAlpha() const +{ + return m_priv->alpha; +} + +bool DImg::sixteenBit() const +{ + return m_priv->sixteenBit; +} + +bool DImg::isReadOnly() const +{ + return m_priv->isReadOnly; +} + +bool DImg::getICCProfilFromFile(const TQString& filePath) +{ + TQFile file(filePath); + if ( !file.open(IO_ReadOnly) ) + return false; + + TQByteArray data(file.size()); + TQDataStream stream( &file ); + stream.readRawBytes(data.data(), data.size()); + setICCProfil(data); + file.close(); + return true; +} + +bool DImg::setICCProfilToFile(const TQString& filePath) +{ + TQFile file(filePath); + if ( !file.open(IO_WriteOnly) ) + return false; + + TQByteArray data(getICCProfil()); + TQDataStream stream( &file ); + stream.writeRawBytes(data.data(), data.size()); + file.close(); + return true; +} + +TQByteArray DImg::getComments() const +{ + return metadata(COM); +} + +TQByteArray DImg::getExif() const +{ + return metadata(EXIF); +} + +TQByteArray DImg::getIptc() const +{ + return metadata(IPTC); +} + +TQByteArray DImg::getICCProfil() const +{ + return metadata(ICC); +} + +void DImg::setComments(const TQByteArray& commentsData) +{ + m_priv->metaData.replace(COM, commentsData); +} + +void DImg::setExif(const TQByteArray& exifData) +{ + m_priv->metaData.replace(EXIF, exifData); +} + +void DImg::setIptc(const TQByteArray& iptcData) +{ + m_priv->metaData.replace(IPTC, iptcData); +} + +void DImg::setICCProfil(const TQByteArray& profile) +{ + m_priv->metaData.replace(ICC, profile); +} + +TQByteArray DImg::metadata(DImg::METADATA key) const +{ + typedef TQMap<int, TQByteArray> MetaDataMap; + + for (MetaDataMap::iterator it = m_priv->metaData.begin(); it != m_priv->metaData.end(); ++it) + { + if (it.key() == key) + return it.data(); + } + + return TQByteArray(); +} + +uint DImg::numBytes() const +{ + return (width() * height() * bytesDepth()); +} + +uint DImg::numPixels() const +{ + return (width() * height()); +} + +int DImg::bytesDepth() const +{ + if (sixteenBit()) + return 8; + + return 4; +} + +int DImg::bitsDepth() const +{ + if (sixteenBit()) + return 16; + + return 8; +} + +void DImg::setAttribute(const TQString& key, const TQVariant& value) +{ + m_priv->attributes.insert(key, value); +} + +TQVariant DImg::attribute(const TQString& key) const +{ + if (m_priv->attributes.contains(key)) + return m_priv->attributes[key]; + + return TQVariant(); +} + +void DImg::setEmbeddedText(const TQString& key, const TQString& text) +{ + m_priv->embeddedText.insert(key, text); +} + +TQString DImg::embeddedText(const TQString& key) const +{ + if (m_priv->embeddedText.contains(key)) + return m_priv->embeddedText[key]; + + return TQString(); +} + +DColor DImg::getPixelColor(uint x, uint y) const +{ + if (isNull() || x > width() || y > height()) + { + DDebug() << k_funcinfo << " : wrong pixel position!" << endl; + return DColor(); + } + + uchar *data = bits() + x*bytesDepth() + (width()*y*bytesDepth()); + + return( DColor(data, sixteenBit()) ); +} + +void DImg::setPixelColor(uint x, uint y, DColor color) +{ + if (isNull() || x > width() || y > height()) + { + DDebug() << k_funcinfo << " : wrong pixel position!" << endl; + return; + } + + if (color.sixteenBit() != sixteenBit()) + { + DDebug() << k_funcinfo << " : wrong color depth!" << endl; + return; + } + + uchar *data = bits() + x*bytesDepth() + (width()*y*bytesDepth()); + color.setPixel(data); +} + + +//--------------------------------------------------------------------------------------------------- +// copying operations + + +DImg DImg::copy() +{ + DImg img(*this); + img.detach(); + return img; +} + +DImg DImg::copyImageData() +{ + DImg img(width(), height(), sixteenBit(), hasAlpha(), bits(), true); + return img; +} + +DImg DImg::copyMetaData() +{ + DImg img; + // copy width, height, alpha, sixteenBit, null + img.copyImageData(m_priv); + // deeply copy metadata + img.copyMetaData(m_priv); + // set image to null + img.m_priv->null = true; + return img; +} + +DImg DImg::copy(TQRect rect) +{ + return copy(rect.x(), rect.y(), rect.width(), rect.height()); +} + +DImg DImg::copy(int x, int y, int w, int h) +{ + if ( isNull() || w <= 0 || h <= 0) + { + DDebug() << k_funcinfo << " : return null image!" << endl; + return DImg(); + } + + DImg image(*this, w, h); + image.bitBltImage(this, x, y, w, h, 0, 0); + + return image; +} + + +//--------------------------------------------------------------------------------------------------- +// bitwise operations + + +void DImg::bitBltImage(const DImg* src, int dx, int dy) +{ + bitBltImage(src, 0, 0, src->width(), src->height(), dx, dy); +} + +void DImg::bitBltImage(const DImg* src, int sx, int sy, int dx, int dy) +{ + bitBltImage(src, sx, sy, src->width() - sx, src->height() - sy, dx, dy); +} + +void DImg::bitBltImage(const DImg* src, int sx, int sy, int w, int h, int dx, int dy) +{ + if (isNull()) + return; + + if (src->sixteenBit() != sixteenBit()) + { + DWarning() << "Blitting from 8-bit to 16-bit or vice versa is not supported" << endl; + return; + } + + if (w == -1 && h == -1) + { + w = src->width(); + h = src->height(); + } + + bitBlt(src->bits(), bits(), sx, sy, w, h, dx, dy, + src->width(), src->height(), width(), height(), sixteenBit(), src->bytesDepth(), bytesDepth()); +} + +void DImg::bitBltImage(const uchar* src, int sx, int sy, int w, int h, int dx, int dy, + uint swidth, uint sheight, int sdepth) +{ + if (isNull()) + return; + + if (bytesDepth() != sdepth) + { + DWarning() << "Blitting from 8-bit to 16-bit or vice versa is not supported" << endl; + return; + } + + if (w == -1 && h == -1) + { + w = swidth; + h = sheight; + } + + bitBlt(src, bits(), sx, sy, w, h, dx, dy, swidth, sheight, width(), height(), sixteenBit(), sdepth, bytesDepth()); +} + +bool DImg::normalizeRegionArguments(int &sx, int &sy, int &w, int &h, int &dx, int &dy, + uint swidth, uint sheight, uint dwidth, uint dheight) +{ + if (sx < 0) + { + // sx is negative, so + is - and - is + + dx -= sx; + w += sx; + sx = 0; + } + + if (sy < 0) + { + dy -= sy; + h += sy; + sy = 0; + } + + if (dx < 0) + { + sx -= dx; + w += dx; + dx = 0; + } + + if (dy < 0) + { + sy -= dy; + h += dy; + dy = 0; + } + + if (sx + w > (int)swidth) + { + w = swidth - sx; + } + + if (sy + h > (int)sheight) + { + h = sheight - sy; + } + + if (dx + w > (int)dwidth) + { + w = dwidth - dx; + } + + if (dy + h > (int)dheight) + { + h = dheight - dy; + } + + // Nothing left to copy + if (w <= 0 || h <= 0) + return false; + + return true; +} + +void DImg::bitBlt (const uchar *src, uchar *dest, + int sx, int sy, int w, int h, int dx, int dy, + uint swidth, uint sheight, uint dwidth, uint dheight, + bool /*sixteenBit*/, int sdepth, int ddepth) +{ + // Normalize + if (!normalizeRegionArguments(sx, sy, w, h, dx, dy, swidth, sheight, dwidth, dheight)) + return; + + // Same pixels + if (src == dest && dx==sx && dy==sy) + return; + + const uchar *sptr; + uchar *dptr; + uint slinelength = swidth * sdepth; + uint dlinelength = dwidth * ddepth; + + int scurY = sy; + int dcurY = dy; + for (int j = 0 ; j < h ; j++, scurY++, dcurY++) + { + sptr = &src [ scurY * slinelength ] + sx * sdepth; + dptr = &dest[ dcurY * dlinelength ] + dx * ddepth; + + // plain and simple bitBlt + for (int i = 0; i < w * sdepth ; i++, sptr++, dptr++) + { + *dptr = *sptr; + } + } +} + +void DImg::bitBlendImage(DColorComposer *composer, const DImg* src, + int sx, int sy, int w, int h, int dx, int dy, + DColorComposer::MultiplicationFlags multiplicationFlags) +{ + if (isNull()) + return; + + if (src->sixteenBit() != sixteenBit()) + { + DWarning() << "Blending from 8-bit to 16-bit or vice versa is not supported" << endl; + return; + } + + bitBlend(composer, src->bits(), bits(), sx, sy, w, h, dx, dy, + src->width(), src->height(), width(), height(), sixteenBit(), + src->bytesDepth(), bytesDepth(), multiplicationFlags); +} + +void DImg::bitBlend (DColorComposer *composer, const uchar *src, uchar *dest, + int sx, int sy, int w, int h, int dx, int dy, + uint swidth, uint sheight, uint dwidth, uint dheight, + bool sixteenBit, int sdepth, int ddepth, + DColorComposer::MultiplicationFlags multiplicationFlags) +{ + // Normalize + if (!normalizeRegionArguments(sx, sy, w, h, dx, dy, swidth, sheight, dwidth, dheight)) + return; + + const uchar *sptr; + uchar *dptr; + uint slinelength = swidth * sdepth; + uint dlinelength = dwidth * ddepth; + + int scurY = sy; + int dcurY = dy; + for (int j = 0 ; j < h ; j++, scurY++, dcurY++) + { + sptr = &src [ scurY * slinelength ] + sx * sdepth; + dptr = &dest[ dcurY * dlinelength ] + dx * ddepth; + + // blend src and destination + for (int i = 0 ; i < w ; i++, sptr+=sdepth, dptr+=ddepth) + { + DColor src(sptr, sixteenBit); + DColor dst(dptr, sixteenBit); + + // blend colors + composer->compose(dst, src, multiplicationFlags); + + dst.setPixel(dptr); + } + } +} + + +//--------------------------------------------------------------------------------------------------- +// TQImage / TQPixmap access + + +TQImage DImg::copyTQImage() +{ + if (isNull()) + return TQImage(); + + if (sixteenBit()) + { + DImg img(*this); + img.detach(); + img.convertDepth(32); + return img.copyTQImage(); + } + + TQImage img(width(), height(), 32); + + uchar* sptr = bits(); + uint* dptr = (uint*)img.bits(); + + for (uint i=0; i < width()*height(); i++) + { + *dptr++ = tqRgba(sptr[2], sptr[1], sptr[0], sptr[3]); + sptr += 4; + } + + if (hasAlpha()) + { + img.setAlphaBuffer(true); + } + + return img; +} + +TQImage DImg::copyTQImage(TQRect rect) +{ + return (copyTQImage(rect.x(), rect.y(), rect.width(), rect.height())); +} + +TQImage DImg::copyTQImage(int x, int y, int w, int h) +{ + if (isNull()) + return TQImage(); + + DImg img = copy(x, y, w, h); + + if (img.sixteenBit()) + img.convertDepth(32); + + return img.copyTQImage(); +} + +TQPixmap DImg::convertToPixmap() +{ + if (isNull()) + return TQPixmap(); + + if (sixteenBit()) + { + // make fastaaaa.. + return TQPixmap(copyTQImage(0, 0, width(), height())); + } + + if (TQImage::systemByteOrder() == TQImage::BigEndian) + { + TQImage img(width(), height(), 32); + + uchar* sptr = bits(); + uint* dptr = (uint*)img.bits(); + + for (uint i=0; i<width()*height(); i++) + { + *dptr++ = tqRgba(sptr[2], sptr[1], sptr[0], sptr[3]); + sptr += 4; + } + + if (hasAlpha()) + { + img.setAlphaBuffer(true); + } + + return TQPixmap(img); + } + else + { + TQImage img(bits(), width(), height(), 32, 0, 0, TQImage::IgnoreEndian); + + if (hasAlpha()) + { + img.setAlphaBuffer(true); + } + + return TQPixmap(img); + } +} + +TQPixmap DImg::convertToPixmap(IccTransform *monitorICCtrans) +{ + if (isNull()) + return TQPixmap(); + + if (!monitorICCtrans->hasOutputProfile()) + { + DDebug() << k_funcinfo << " : no monitor ICC profile available!" << endl; + return convertToPixmap(); + } + + DImg img = copy(); + + // Without embedded profile + if (img.getICCProfil().isNull()) + { + TQByteArray fakeProfile; + monitorICCtrans->apply(img, fakeProfile, monitorICCtrans->getRenderingIntent(), + monitorICCtrans->getUseBPC(), false, + monitorICCtrans->inputProfile().isNull()); + } + // With embedded profile. + else + { + monitorICCtrans->getEmbeddedProfile( img ); + monitorICCtrans->apply( img ); + } + + return (img.convertToPixmap()); +} + +TQImage DImg::pureColorMask(ExposureSettingsContainer *expoSettings) +{ + if (isNull() || (!expoSettings->underExposureIndicator && !expoSettings->overExposureIndicator)) + return TQImage(); + + TQImage img(size(), 32); + img.fill(0x00000000); // Full transparent. + img.setAlphaBuffer(true); + + uchar *bits = img.bits(); + int max = sixteenBit() ? 65535 : 255; + int index; + DColor pix; + + for (uint x=0 ; x < width() ; x++) + { + for (uint y=0 ; y<height() ; y++) + { + pix = getPixelColor(x, y); + index = y*img.bytesPerLine() + x*4; + + if (expoSettings->underExposureIndicator && + pix.red() == 0 && pix.green() == 0 && pix.blue() == 0) + { + bits[index ] = expoSettings->underExposureColor.blue(); + bits[index + 1] = expoSettings->underExposureColor.green(); + bits[index + 2] = expoSettings->underExposureColor.red(); + bits[index + 3] = 0xFF; + } + + if (expoSettings->overExposureIndicator && + pix.red() == max && pix.green() == max && pix.blue() == max) + { + bits[index ] = expoSettings->overExposureColor.blue(); + bits[index + 1] = expoSettings->overExposureColor.green(); + bits[index + 2] = expoSettings->overExposureColor.red(); + bits[index + 3] = 0xFF; + } + } + } + + return img; +} + + +//--------------------------------------------------------------------------------------------------- +// basic imaging operations + + +void DImg::crop(TQRect rect) +{ + crop(rect.x(), rect.y(), rect.width(), rect.height()); +} + +void DImg::crop(int x, int y, int w, int h) +{ + if ( isNull() || w <= 0 || h <= 0) + return; + + uint oldw = width(); + uint oldh = height(); + uchar *old = stripImageData(); + + // set new image data, bits(), width(), height() change + setImageDimension(w, h); + allocateData(); + + // copy image region (x|y), wxh, from old data to point (0|0) of new data + bitBlt(old, bits(), x, y, w, h, 0, 0, oldw, oldh, width(), height(), sixteenBit(), bytesDepth(), bytesDepth()); + delete [] old; +} + +void DImg::resize(int w, int h) +{ + if ( w <= 0 || h <= 0) + return; + + DImg image = smoothScale(w, h); + + delete [] m_priv->data; + m_priv->data = image.stripImageData(); + setImageDimension(w, h); +} + +void DImg::rotate(ANGLE angle) +{ + if (isNull()) + return; + + switch (angle) + { + case(ROT90): + { + uint w = height(); + uint h = width(); + + if (sixteenBit()) + { + ullong* newData = new ullong[w*h]; + + ullong *from = (ullong*) m_priv->data; + ullong *to; + + for (int y = w-1; y >=0; y--) + { + to = newData + y; + + for (uint x=0; x < h; x++) + { + *to = *from++; + to += w; + } + } + + setImageDimension(w, h); + + delete [] m_priv->data; + m_priv->data = (uchar*)newData; + } + else + { + uint* newData = new uint[w*h]; + + uint *from = (uint*) m_priv->data; + uint *to; + + for (int y = w-1; y >=0; y--) + { + to = newData + y; + + for (uint x=0; x < h; x++) + { + *to = *from++; + to += w; + } + } + + setImageDimension(w, h); + + delete [] m_priv->data; + m_priv->data = (uchar*)newData; + } + + break; + } + case(ROT180): + { + uint w = width(); + uint h = height(); + + int middle_line = -1; + if (h % 2) + middle_line = h / 2; + + if (sixteenBit()) + { + ullong *line1; + ullong *line2; + + ullong* data = (ullong*) bits(); + ullong tmp; + + // can be done inplace + for (uint y = 0; y < (h+1)/2; y++) + { + line1 = data + y * w; + line2 = data + (h-y) * w; + for (uint x=0; x < w; x++) + { + tmp = *line1; + *line1 = *line2; + *line2 = tmp; + + line1++; + line2--; + if ((int)y == middle_line && x * 2 >= w) + break; + } + } + } + else + { + uint *line1; + uint *line2; + + uint* data = (uint*) bits(); + uint tmp; + + // can be done inplace + for (uint y = 0; y < (h+1)/2; y++) + { + line1 = data + y * w; + line2 = data + (h-y) * w; + + for (uint x=0; x < w; x++) + { + tmp = *line1; + *line1 = *line2; + *line2 = tmp; + + line1++; + line2--; + if ((int)y == middle_line && x * 2 >= w) + break; + } + } + } + + break; + } + case(ROT270): + { + uint w = height(); + uint h = width(); + + if (sixteenBit()) + { + ullong* newData = new ullong[w*h]; + + ullong *from = (ullong*) m_priv->data; + ullong *to; + + for (uint y = 0; y < w; y++) + { + to = newData + y + w*(h-1); + + for (uint x=0; x < h; x++) + { + *to = *from++; + to -= w; + } + } + + setImageDimension(w, h); + + delete [] m_priv->data; + m_priv->data = (uchar*)newData; + } + else + { + uint* newData = new uint[w*h]; + + uint *from = (uint*) m_priv->data; + uint *to; + + for (uint y = 0; y < w; y++) + { + to = newData + y + w*(h-1); + + for (uint x=0; x < h; x++) + { + *to = *from++; + to -= w; + } + } + + setImageDimension(w, h); + + delete [] m_priv->data; + m_priv->data = (uchar*)newData; + } + + break; + } + default: + break; + } +} + +// 15-11-2005: This method have been tested indeep with valgrind by Gilles. + +void DImg::flip(FLIP direction) +{ + if (isNull()) + return; + + switch (direction) + { + case(HORIZONTAL): + { + uint w = width(); + uint h = height(); + + if (sixteenBit()) + { + unsigned short tmp[4]; + unsigned short *beg; + unsigned short *end; + + unsigned short * data = (unsigned short *)bits(); + + // can be done inplace + for (uint y = 0 ; y < h ; y++) + { + beg = data + y * w * 4; + end = beg + (w-1) * 4; + + for (uint x=0 ; x < (w/2) ; x++) + { + memcpy(&tmp, beg, 8); + memcpy(beg, end, 8); + memcpy(end, &tmp, 8); + + beg+=4; + end-=4; + } + } + } + else + { + uchar tmp[4]; + uchar *beg; + uchar *end; + + uchar* data = bits(); + + // can be done inplace + for (uint y = 0 ; y < h ; y++) + { + beg = data + y * w * 4; + end = beg + (w-1) * 4; + + for (uint x=0 ; x < (w/2) ; x++) + { + memcpy(&tmp, beg, 4); + memcpy(beg, end, 4); + memcpy(end, &tmp, 4); + + beg+=4; + end-=4; + } + } + } + + break; + } + case(VERTICAL): + { + uint w = width(); + uint h = height(); + + if (sixteenBit()) + { + unsigned short tmp[4]; + unsigned short *line1; + unsigned short *line2; + + unsigned short* data = (unsigned short*) bits(); + + // can be done inplace + for (uint y = 0 ; y < (h/2) ; y++) + { + line1 = data + y * w * 4; + line2 = data + (h-y-1) * w * 4; + + for (uint x=0 ; x < w ; x++) + { + memcpy(&tmp, line1, 8); + memcpy(line1, line2, 8); + memcpy(line2, &tmp, 8); + + line1+=4; + line2+=4; + } + } + } + else + { + uchar tmp[4]; + uchar *line1; + uchar *line2; + + uchar* data = bits(); + + // can be done inplace + for (uint y = 0 ; y < (h/2) ; y++) + { + line1 = data + y * w * 4; + line2 = data + (h-y-1) * w * 4; + + for (uint x=0 ; x < w ; x++) + { + memcpy(&tmp, line1, 4); + memcpy(line1, line2, 4); + memcpy(line2, &tmp, 4); + + line1+=4; + line2+=4; + } + } + } + + break; + } + default: + break; + } +} + +void DImg::convertToSixteenBit() +{ + convertDepth(64); +} + +void DImg::convertToEightBit() +{ + convertDepth(32); +} + +void DImg::convertToDepthOfImage(const DImg *otherImage) +{ + if (otherImage->sixteenBit()) + convertToSixteenBit(); + else + convertToEightBit(); +} + +void DImg::convertDepth(int depth) +{ + if (isNull()) + return; + + if (depth != 32 && depth != 64) + { + DDebug() << k_funcinfo << " : wrong color depth!" << endl; + return; + } + + if (((depth == 32) && !sixteenBit()) || + ((depth == 64) && sixteenBit())) + return; + + if (depth == 32) + { + // downgrading from 16 bit to 8 bit + + uchar* data = new uchar[width()*height()*4]; + uchar* dptr = data; + ushort* sptr = (ushort*)bits(); + + for (uint i=0; i<width()*height()*4; i++) + { + *dptr++ = (*sptr++ * 255UL)/65535UL; + } + + delete [] m_priv->data; + m_priv->data = data; + m_priv->sixteenBit = false; + } + else if (depth == 64) + { + // upgrading from 8 bit to 16 bit + + uchar* data = new uchar[width()*height()*8]; + ushort* dptr = (ushort*)data; + uchar* sptr = bits(); + + for (uint i=0; i<width()*height()*4; i++) + { + *dptr++ = (*sptr++ * 65535ULL)/255ULL; + } + + delete [] m_priv->data; + m_priv->data = data; + m_priv->sixteenBit = true; + } +} + +void DImg::fill(DColor color) +{ + if (sixteenBit()) + { + unsigned short *imgData16 = (unsigned short *)m_priv->data; + + for (uint i = 0 ; i < width()*height()*4 ; i+=4) + { + imgData16[ i ] = (unsigned short)color.blue(); + imgData16[i+1] = (unsigned short)color.green(); + imgData16[i+2] = (unsigned short)color.red(); + imgData16[i+3] = (unsigned short)color.alpha(); + } + } + else + { + uchar *imgData = m_priv->data; + + for (uint i = 0 ; i < width()*height()*4 ; i+=4) + { + imgData[ i ] = (uchar)color.blue(); + imgData[i+1] = (uchar)color.green(); + imgData[i+2] = (uchar)color.red(); + imgData[i+3] = (uchar)color.alpha(); + } + } +} + +} // NameSpace Digikam |