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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@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.colorCount();
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.byteCount() );
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
|
