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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-29 00:31:00 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-29 00:31:00 -0600
commitb388516ca2691303a076a0764fd40bf7116fe43d (patch)
tree6f1615d1f12b325f4d1cd9c25d1519303794001a /pyuic3/embed.cpp
downloadpytqt-b388516ca2691303a076a0764fd40bf7116fe43d.tar.gz
pytqt-b388516ca2691303a076a0764fd40bf7116fe43d.zip
Initial import of python-qt3
Diffstat (limited to 'pyuic3/embed.cpp')
-rw-r--r--pyuic3/embed.cpp323
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diff --git a/pyuic3/embed.cpp b/pyuic3/embed.cpp
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+/**********************************************************************
+** 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 Qt 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 <qfile.h>
+#include <qimage.h>
+#include <qstringlist.h>
+#include <qdatetime.h>
+#include <qfileinfo.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 (QT_VERSION < 0x030100 || defined(Q_WS_QWS)) && !defined(QT_NO_IMAGE_COLLECTION_COMPRESSION)
+#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 )
+{
+ QString 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( QTextStream& out, const uchar* input, int nbytes )
+{
+#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION
+ QByteArray bazip( qCompress( input, nbytes ) );
+ uint len = bazip.size();
+#else
+ uint len = (uint)nbytes;
+#endif
+ static const char hexdigits[] = "0123456789abcdef";
+ QString 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 QT_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( 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 Uic::embed( QTextStream& out, const char* project, const QStringList& images )
+{
+
+ QString cProject = convertToCIdentifier( project );
+
+ QStringList::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: " << QDateTime::currentDateTime().toString() << "\n";
+ out << "# by: The PyQt User Interface Compiler (pyuic) " << PYQT_VERSION << "\n";
+ out << "#\n";
+ out << "# WARNING! All changes made in this file will be lost!\n";
+
+ out << "\n";
+ out << "\n";
+ out << "from qt import QImage, QMimeSourceFactory";
+#ifndef QT_NO_IMAGE_COLLECTION_COMPRESSION
+ out << ", qUncompress";
+#endif
+ out << "\n";
+ out << "\n";
+ out << "\n";
+
+
+ QPtrList<EmbedImage> list_image;
+ list_image.setAutoDelete( TRUE );
+ int image_count = 0;
+ for ( it = images.begin(); it != images.end(); ++it ) {
+ QImage img;
+ if ( !img.load( *it ) ) {
+ fprintf( stderr, "pyuic: 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();
+ memcpy(e->colorTable, img.colorTable(), e->numColors*sizeof(QRgb));
+ QFileInfo fi( *it );
+ e->name = fi.fileName();
+ e->cname = QString("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( "%s_data =",
+ (const char *)e->cname );
+#ifndef QT_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 QT_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 QT_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 QT_NO_IMAGE_COLLECTION_COMPRESSION
+ // Keep the data object alive until we have a deep copy of the image.
+ out << indent << "data = qUncompress(data).data()\n";
+#endif
+ out << indent << "img = QImage(data,w,h,depth,colTab,nrCol,QImage.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 QImage()\n";
+ --indent;
+ out << "\n";
+ out << "\n";
+
+ out << indent << "class MimeSourceFactory_" << cProject << "(QMimeSourceFactory):\n";
+ ++indent;
+ out << indent << "def __init__(self):\n";
+ ++indent;
+ out << indent << "QMimeSourceFactory.__init__(self)\n";
+ out << "\n";
+ --indent;
+ out << indent << "def data(self,abs_name):\n";
+ ++indent;
+ out << indent << "d = QMimeSourceFactory.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 QMimeSourceFactory.data(self,abs_name)\n";
+ --indent;
+ --indent;
+ out << "\n";
+ out << "\n";
+
+ out << indent << "factory = None\n";
+ out << "\n";
+
+ out << indent << "def qInitImages_" << 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 << "QMimeSourceFactory.defaultFactory().addFactory(factory)\n";
+ --indent;
+ --indent;
+ out << "\n";
+ out << "\n";
+
+ out << indent << "def qCleanupImages_" << cProject << "():\n";
+ ++indent;
+ out << indent << "global factory\n";
+ out << "\n";
+ out << indent << "if factory is not None:\n";
+ ++indent;
+ out << indent << "QMimeSourceFactory.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 = qCleanupImages_" << cProject << "\n";
+ out << indent << "qInitImages_" << 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";
+ }
+}