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Diffstat (limited to 'pytquic3/embed.cpp')
| -rw-r--r-- | pytquic3/embed.cpp | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/pytquic3/embed.cpp b/pytquic3/embed.cpp new file mode 100644 index 0000000..9bf0071 --- /dev/null +++ b/pytquic3/embed.cpp @@ -0,0 +1,322 @@ +/********************************************************************** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** Copyright (c) 2001 Phil Thompson <phil@river-bank.demon.co.uk> +** Copyright (c) 2002 Riverbank Computing Limited <info@riverbankcomputing.co.uk> +** +** This file is part of TQt Designer. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#include "uic.h" +#include <tqfile.h> +#include <tqimage.h> +#include <tqstringlist.h> +#include <tqdatetime.h> +#include <tqfileinfo.h> +#include <stdio.h> +#include <ctype.h> + +// on embedded, we do not compress image data. Rationale: by mapping +// the ready-only data directly into memory we are both faster and +// more memory efficient +#if (TQT_VERSION < 0x030100 || defined(Q_WS_QWS)) && !defined(TQT_NO_IMAGE_COLLECTION_COMPRESSION) +#define TQT_NO_IMAGE_COLLECTION_COMPRESSION +#endif + +struct EmbedImage +{ + ~EmbedImage() { delete[] colorTable; } + int width, height, depth; + int numColors; + TQRgb* colorTable; + TQString name; + TQString cname; + bool alpha; +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + ulong compressed; +#endif +}; + +static TQString convertToCIdentifier( const char *s ) +{ + TQString r = s; + int len = r.length(); + if ( len > 0 && !isalpha( (char)r[0].latin1() ) ) + r[0] = '_'; + for ( int i=1; i<len; i++ ) { + if ( !isalnum( (char)r[i].latin1() ) ) + r[i] = '_'; + } + return r; +} + + +static ulong embedData( TQTextStream& out, const uchar* input, int nbytes ) +{ +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + TQByteArray bazip( tqCompress( input, nbytes ) ); + uint len = bazip.size(); +#else + uint len = (uint)nbytes; +#endif + static const char hexdigits[] = "0123456789abcdef"; + TQString s; + for ( uint i=0; i<len; i++ ) { + if ( (i%14) == 0 ) { + if (i) + s += '"'; + + s += " \\\n \""; + out << (const char*)s; + s.truncate( 0 ); + } + uint v = (uchar) +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + bazip +#else + input +#endif + [(int)i]; + s += "\\x"; + s += hexdigits[(v >> 4) & 15]; + s += hexdigits[v & 15]; + if ( i == len-1 ) + s += "\"\n"; + } + if ( s.length() ) + out << (const char*)s; + return (ulong)len; +} + +static void embedData( TQTextStream& out, const TQRgb* input, int n ) +{ + out << hex; + const TQRgb *v = input; + for ( int i=0; i<n; i++ ) { + if ( (i%14) == 0 ) + out << "\n "; + out << "0x"; + out << hex << *v++; + if ( i < n-1 ) + out << ','; + } + out << dec; // back to decimal mode +} + +void Uic::embed( TQTextStream& out, const char* project, const TQStringList& images ) +{ + + TQString cProject = convertToCIdentifier( project ); + + TQStringList::ConstIterator it; + out << "# Image collection for project '" << project << "'.\n"; + out << "#\n"; + out << "# Generated from reading image files: \n"; + for ( it = images.begin(); it != images.end(); ++it ) + out << "# " << *it << "\n"; + out << "#\n"; + out << "# Created by: The PyTQt User Interface Compiler (pytquic) " << PYTQT_VERSION << "\n"; + out << "#\n"; + out << "# WARNING! All changes made in this file will be lost!\n"; + + out << "\n"; + out << "\n"; + out << "from PyTQt.tqt import TQImage, TQMimeSourceFactory"; +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + out << ", tqUncompress"; +#endif + out << "\n"; + out << "\n"; + out << "\n"; + + + TQPtrList<EmbedImage> list_image; + list_image.setAutoDelete( TRUE ); + int image_count = 0; + for ( it = images.begin(); it != images.end(); ++it ) { + TQImage img; + if ( !img.load( *it ) ) { + fprintf( stderr, "pytquic: cannot load image file %s\n", (*it).utf8() ); + continue; + } + EmbedImage *e = new EmbedImage; + e->width = img.width(); + e->height = img.height(); + e->depth = img.depth(); + e->numColors = img.numColors(); + e->colorTable = new TQRgb[e->numColors]; + e->alpha = img.hasAlphaBuffer(); + memcpy(e->colorTable, img.colorTable(), e->numColors*sizeof(TQRgb)); + TQFileInfo fi( *it ); + e->name = fi.fileName(); + e->cname = TQString("image_%1").arg( image_count++); + list_image.append( e ); + out << "# " << *it << "\n"; + TQString s; + if ( e->depth == 1 ) + img = img.convertBitOrder(TQImage::BigEndian); + out << s.sprintf( "%s_data =", + (const char *)e->cname ); +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + e->compressed = +#endif + embedData( out, img.bits(), img.numBytes() ); + out << "\n"; + if ( e->numColors ) { + out << s.sprintf( "%s_ctable = [", + (const char *)e->cname ); + embedData( out, e->colorTable, e->numColors ); + out << "\n]\n\n"; + } + } + + if ( !list_image.isEmpty() ) { + out << indent << "embed_image_vec = [\n"; + ++indent; + EmbedImage *e = list_image.first(); + while ( e ) { + out << indent << "[" + << e->width << "," + << e->height << "," + << e->depth << "," + << e->cname << "_data," +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + << e->compressed << "," +#endif + << e->numColors << ","; + if ( e->numColors ) + out << e->cname << "_ctable,"; + else + out << "None,"; + if ( e->alpha ) + out << "1,"; + else + out << "0,"; + out << "\"" << e->name << "\"],\n"; + e = list_image.next(); + } + --indent; + out << indent << "]\n"; + + out << "\n" + "\n" + "def uic_findImage(name):\n"; + ++indent; + out << indent << "global embed_image_vec\n"; + out << "\n"; +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + out << indent << "for (w,h,depth,data,comp,nrCol,colTab,alpha,iname) in embed_image_vec:" << endl; +#else + out << indent << "for (w,h,depth,data,nrCol,colTab,alpha,iname) in embed_image_vec:" << endl; +#endif + ++indent; + out << indent << "if iname == str(name):" << endl; + ++indent; +#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION + // Keep the data object alive until we have a deep copy of the image. + out << indent << "data = tqUncompress(data).data()\n"; +#endif + out << indent << "img = TQImage(data,w,h,depth,colTab,nrCol,TQImage.BigEndian).copy()\n"; + out << "\n"; + out << indent << "if alpha:\n"; + ++indent; + out << indent << "img.setAlphaBuffer(1)\n"; + --indent; + out << "\n"; + out << indent << "return img\n"; + --indent; + --indent; + out << endl; + out << indent << "return TQImage()\n"; + --indent; + out << "\n"; + out << "\n"; + + out << indent << "class MimeSourceFactory_" << cProject << "(TQMimeSourceFactory):\n"; + ++indent; + out << indent << "def __init__(self):\n"; + ++indent; + out << indent << "TQMimeSourceFactory.__init__(self)\n"; + out << "\n"; + --indent; + out << indent << "def data(self,abs_name):\n"; + ++indent; + out << indent << "d = TQMimeSourceFactory.data(self,abs_name)\n"; + out << indent << "if d or abs_name.isNull():\n"; + ++indent; + out << indent << "return d\n"; + --indent; + out << "\n"; + out << indent << "img = uic_findImage(abs_name)\n"; + out << indent << "if not img.isNull():\n"; + ++indent; + out << indent << "self.setImage(abs_name,img)\n"; + --indent; + out << "\n"; + out << indent << "return TQMimeSourceFactory.data(self,abs_name)\n"; + --indent; + --indent; + out << "\n"; + out << "\n"; + + out << indent << "factory = None\n"; + out << "\n"; + + out << indent << "def tqInitImages_" << cProject << "():\n"; + ++indent; + out << indent << "global factory\n"; + out << "\n"; + out << indent << "if factory is None:\n"; + ++indent; + out << indent << "factory = MimeSourceFactory_" << cProject << "()\n"; + out << indent << "TQMimeSourceFactory.defaultFactory().addFactory(factory)\n"; + --indent; + --indent; + out << "\n"; + out << "\n"; + + out << indent << "def tqCleanupImages_" << cProject << "():\n"; + ++indent; + out << indent << "global factory\n"; + out << "\n"; + out << indent << "if factory is not None:\n"; + ++indent; + out << indent << "TQMimeSourceFactory.defaultFactory().removeFactory(factory)\n"; + out << indent << "factory = None\n"; + --indent; + --indent; + out << "\n"; + out << "\n"; + + out << indent << "class StaticInitImages_" << cProject << ":\n"; + ++indent; + out << indent << "def __init__(self):\n"; + ++indent; + out << indent << "self.cleanup = tqCleanupImages_" << cProject << "\n"; + out << indent << "tqInitImages_" << cProject << "()\n"; + --indent; + out << "\n"; + out << indent << "def __del__(self):\n"; + ++indent; + out << indent << "self.cleanup()\n"; + --indent; + --indent; + out << "\n"; + out << "\n"; + + out << "staticImages = StaticInitImages_" << cProject << "()\n"; + } +} |