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Diffstat (limited to 'src/tools/uic3/embed.cpp')
| -rw-r--r-- | src/tools/uic3/embed.cpp | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/src/tools/uic3/embed.cpp b/src/tools/uic3/embed.cpp new file mode 100644 index 0000000..882328a --- /dev/null +++ b/src/tools/uic3/embed.cpp @@ -0,0 +1,336 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the tools applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "ui3reader.h" +#include <QFile> +#include <QImage> +#include <QStringList> +#include <QDateTime> +#include <QFileInfo> +#include <QVector> +#include <stdio.h> +#include <ctype.h> + +QT_BEGIN_NAMESPACE + +// 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 defined(Q_WS_QWS) && !defined(QT_NO_IMAGE_COLLECTION_COMPRESSION) +# define QT_NO_IMAGE_COLLECTION_COMPRESSION +#elif defined (QT_NO_COMPRESS) +# define QT_NO_IMAGE_COLLECTION_COMPRESSION +#endif + +struct EmbedImage +{ + ~EmbedImage() { delete[] colorTable; } + + int width, height, depth; + int numColors; + QRgb* colorTable; + QString name; + QString cname; + bool alpha; +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + ulong compressed; +#endif +}; + +static QString convertToCIdentifier( const char *s ) +{ + QByteArray r = s; + int len = r.length(); + if ( len > 0 && !isalpha( (char)r[0] ) ) + r[0] = '_'; + for ( int i=1; i<len; i++ ) { + if ( !isalnum( (char)r[i] ) ) + r[i] = '_'; + } + + return QString::fromAscii(r); +} + + +static ulong embedData( QTextStream& out, const uchar* input, int nbytes ) +{ +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + QByteArray bazip( qCompress( input, nbytes ) ); + ulong len = bazip.size(); +#else + ulong len = nbytes; +#endif + static const char hexdigits[] = "0123456789abcdef"; + QString s; + for ( int i=0; i<(int)len; i++ ) { + if ( (i%14) == 0 ) { + s += QLatin1String("\n "); + out << s.latin1(); + s.truncate( 0 ); + } + uint v = (uchar) +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + bazip +#else + input +#endif + [i]; + s += QLatin1String("0x"); + s += QLatin1Char(hexdigits[(v >> 4) & 15]); + s += QLatin1Char(hexdigits[v & 15]); + if ( i < (int)len-1 ) + s += QLatin1Char(','); + } + if ( s.length() ) + out << s.latin1(); + return len; +} + +static void embedData( QTextStream& out, const QRgb* input, int n ) +{ + out << hex; + const QRgb *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 Ui3Reader::embed(const char *project, const QStringList &images) +{ + + QString cProject = convertToCIdentifier( project ); + + QStringList::ConstIterator it; + out << "/****************************************************************************\n"; + 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: " << QDateTime::currentDateTime().toString() << "\n"; + out << "** by: The User Interface Compiler for Qt version " << QT_VERSION_STR << "\n"; + out << "**\n"; + out << "** WARNING! All changes made in this file will be lost!\n"; + out << "****************************************************************************/\n"; + out << "\n"; + + out << "#include <qimage.h>\n"; + out << "#include <qmime.h>\n"; + out << "#include <q3mimefactory.h>\n"; + out << "#include <q3dragobject.h>\n"; + out << "\n"; + + QList<EmbedImage*> list_image; + int image_count = 0; + for ( it = images.begin(); it != images.end(); ++it ) { + QImage img; + if ( !img.load( *it ) ) { + fprintf( stderr, "uic: cannot load image file %s\n", (*it).latin1() ); + continue; + } + EmbedImage *e = new EmbedImage; + e->width = img.width(); + e->height = img.height(); + e->depth = img.depth(); + e->numColors = img.numColors(); + e->colorTable = new QRgb[e->numColors]; + e->alpha = img.hasAlphaBuffer(); + QVector<QRgb> ct = img.colorTable(); + memcpy(e->colorTable, ct.constData(), e->numColors*sizeof(QRgb)); + QFileInfo fi( *it ); + e->name = fi.fileName(); + e->cname = QString::fromLatin1("image_%1").arg( image_count++); + list_image.append( e ); + out << "// " << *it << "\n"; + QString s; + if ( e->depth == 1 ) + img = img.convertBitOrder(QImage::BigEndian); + out << s.sprintf( "static const unsigned char %s_data[] = {", + e->cname.latin1() ); +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + e->compressed = +#endif + embedData( out, img.bits(), img.numBytes() ); + out << "\n};\n\n"; + if ( e->numColors ) { + out << s.sprintf( "static const QRgb %s_ctable[] = {", + e->cname.latin1() ); + embedData( out, e->colorTable, e->numColors ); + out << "\n};\n\n"; + } + } + + if ( !list_image.isEmpty() ) { + out << "static const struct EmbedImage {\n" + " int width, height, depth;\n" + " const unsigned char *data;\n" +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + " ulong compressed;\n" +#endif + " int numColors;\n" + " const QRgb *colorTable;\n" + " bool alpha;\n" + " const char *name;\n" + "} embed_image_vec[] = {\n"; + EmbedImage *e = 0; + int i; + for (i = 0; i < list_image.count(); ++i) { + e = list_image.at(i); + out << " { " + << e->width << ", " + << e->height << ", " + << e->depth << ", " + << "(const unsigned char*)" << e->cname << "_data, " +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + << e->compressed << ", " +#endif + << e->numColors << ", "; + if ( e->numColors ) + out << e->cname << "_ctable, "; + else + out << "0, "; + if ( e->alpha ) + out << "true, "; + else + out << "false, "; + out << "\"" << e->name << "\" },\n"; + delete e; + } +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + out << " { 0, 0, 0, 0, 0, 0, 0, 0, 0 }\n};\n"; +#else + out << " { 0, 0, 0, 0, 0, 0, 0, 0 }\n};\n"; +#endif + + out << "\n" + "static QImage uic_findImage( const QString& name )\n" + "{\n" + " for ( int i=0; embed_image_vec[i].data; i++ ) {\n" + " if ( QString::fromUtf8(embed_image_vec[i].name) == name ) {\n" +#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION + " QByteArray baunzip;\n" + " baunzip = qUncompress( embed_image_vec[i].data, \n" + " embed_image_vec[i].compressed );\n" + " QImage img((uchar*)baunzip.data(),\n" + " embed_image_vec[i].width,\n" + " embed_image_vec[i].height,\n" + " embed_image_vec[i].depth,\n" + " (QRgb*)embed_image_vec[i].colorTable,\n" + " embed_image_vec[i].numColors,\n" + " QImage::BigEndian\n" + " );\n" + " img = img.copy();\n" +#else + " QImage img((uchar*)embed_image_vec[i].data,\n" + " embed_image_vec[i].width,\n" + " embed_image_vec[i].height,\n" + " embed_image_vec[i].depth,\n" + " (QRgb*)embed_image_vec[i].colorTable,\n" + " embed_image_vec[i].numColors,\n" + " QImage::BigEndian\n" + " );\n" +#endif + " if ( embed_image_vec[i].alpha )\n" + " img.setAlphaBuffer(true);\n" + " return img;\n" + " }\n" + " }\n" + " return QImage();\n" + "}\n\n"; + + out << "class MimeSourceFactory_" << cProject << " : public Q3MimeSourceFactory\n"; + out << "{\n"; + out << "public:\n"; + out << " MimeSourceFactory_" << cProject << "() {}\n"; + out << " ~MimeSourceFactory_" << cProject << "() {}\n"; + out << " const QMimeSource* data( const QString& abs_name ) const {\n"; + out << "\tconst QMimeSource* d = Q3MimeSourceFactory::data( abs_name );\n"; + out << "\tif ( d || abs_name.isNull() ) return d;\n"; + out << "\tQImage img = uic_findImage( abs_name );\n"; + out << "\tif ( !img.isNull() )\n"; + out << "\t ((Q3MimeSourceFactory*)this)->setImage( abs_name, img );\n"; + out << "\treturn Q3MimeSourceFactory::data( abs_name );\n"; + out << " };\n"; + out << "};\n\n"; + + out << "static Q3MimeSourceFactory* factory = 0;\n"; + out << "\n"; + + out << "void qInitImages_" << cProject << "()\n"; + out << "{\n"; + out << " if ( !factory ) {\n"; + out << "\tfactory = new MimeSourceFactory_" << cProject << ";\n"; + out << "\tQ3MimeSourceFactory::defaultFactory()->addFactory( factory );\n"; + out << " }\n"; + out << "}\n\n"; + + out << "void qCleanupImages_" << cProject << "()\n"; + out << "{\n"; + out << " if ( factory ) {\n"; + out << "\tQ3MimeSourceFactory::defaultFactory()->removeFactory( factory );\n"; + out << "\tdelete factory;\n"; + out << "\tfactory = 0;\n"; + out << " }\n"; + out << "}\n\n"; + + out << "class StaticInitImages_" << cProject << "\n"; + out << "{\n"; + out << "public:\n"; + out << " StaticInitImages_" << cProject << "() { qInitImages_" << cProject << "(); }\n"; + out << "#if defined(Q_OS_SCO) || defined(Q_OS_UNIXWARE)\n"; + out << " ~StaticInitImages_" << cProject << "() { }\n"; + out << "#else\n"; + out << " ~StaticInitImages_" << cProject << "() { qCleanupImages_" << cProject << "(); }\n"; + out << "#endif\n"; + out << "};\n\n"; + + out << "static StaticInitImages_" << cProject << " staticImages;\n"; + } +} + +QT_END_NAMESPACE |