filters

pngexport.cpp

00001 /* This file is part of the KDE project
00002    Copyright (C) 2005 Laurent Montel <montel@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include <qpixmap.h>
00021 #include <qpainter.h>
00022 
00023 #include <kmessagebox.h>
00024 
00025 #include <KoFilterChain.h>
00026 #include <KoStore.h>
00027 #include <kgenericfactory.h>
00028 #include <KoDocument.h>
00029 
00030 #include "pngexport.h"
00031 #include "exportsizedia.h"
00032 
00033 typedef KGenericFactory<PngExport, KoFilter> PngExportFactory;
00034 K_EXPORT_COMPONENT_FACTORY( libkchartpngexport, PngExportFactory( "pngexport" ) )
00035 
00036 PngExport::PngExport(KoFilter *fil, const char *name, const QStringList&lst)
00037     : ImageExport(fil,name,lst)
00038 {
00039 }
00040 
00041 PngExport::~PngExport()
00042 {
00043 }
00044 
00045 void PngExport::extraImageAttribute()
00046 {
00047     ExportSizeDia  *exportDialog = new ExportSizeDia( width, height,
00048                            0, "exportdialog");
00049     if (exportDialog->exec()) {
00050     width  = exportDialog->width();
00051     height = exportDialog->height();
00052 
00053     kdDebug() << "PNG Export: size = [" << width << "," << height << "]" << endl;
00054     }
00055     delete exportDialog;
00056 }
00057 
00058 const char * PngExport::exportFormat()
00059 {
00060     return "image/png";
00061 }
00062 
00063 bool PngExport::saveImage( QString fileName)
00064 {
00065     bool ret = pixmap.save( fileName, "PNG" );
00066     // Save the image.
00067     if ( !ret ) {
00068         KMessageBox::error( 0, i18n( "Failed to write file." ),
00069                             i18n( "PNG Export Error" ) );
00070     }
00071     return ret;
00072 }
00073 
00074 
00075 #include "pngexport.moc"
00076 
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