Initial import of python-qt3

1 files changed, 323 insertions, 0 deletions

diff --git a/pyuic3/embed.cpp b/pyuic3/embed.cpp
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+++ 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";
+    }
+}