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-rw-r--r--filters/karbon/png/pngexport.cpp96
1 files changed, 96 insertions, 0 deletions
diff --git a/filters/karbon/png/pngexport.cpp b/filters/karbon/png/pngexport.cpp
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+++ b/filters/karbon/png/pngexport.cpp
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+/* This file is part of the KDE project
+ Copyright (C) 2002, The Karbon Developers
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#include <tqcstring.h>
+#include <tqdom.h>
+#include <tqfile.h>
+#include <tqstring.h>
+#include <tqvaluelist.h>
+#include <tqimage.h>
+
+#include <kgenericfactory.h>
+#include <KoFilter.h>
+#include <KoFilterChain.h>
+#include <KoStore.h>
+
+#include "pngexport.h"
+#include "vdocument.h"
+#include "vselection.h"
+#include "vkopainter.h"
+#include "vlayer.h"
+#include "vcomputeboundingbox.h"
+
+#include <kdebug.h>
+
+
+typedef KGenericFactory<PngExport, KoFilter> PngExportFactory;
+K_EXPORT_COMPONENT_FACTORY( libkarbonpngexport, PngExportFactory( "kofficefilters" ) )
+
+
+PngExport::PngExport( KoFilter*, const char*, const TQStringList& )
+ : KoFilter()
+{
+}
+
+KoFilter::ConversionStatus
+PngExport::convert( const TQCString& from, const TQCString& to )
+{
+ if ( to != "image/png" || from != "application/x-karbon" )
+ {
+ return KoFilter::NotImplemented;
+ }
+
+ KoStoreDevice* storeIn = m_chain->storageFile( "root", KoStore::Read );
+ if( !storeIn )
+ return KoFilter::StupidError;
+
+ TQDomDocument domIn;
+ domIn.setContent( storeIn );
+ TQDomElement docNode = domIn.documentElement();
+
+ // load the document and export it:
+ VDocument doc;
+ doc.load( docNode );
+
+ // calculate the documents bounding box
+ VComputeBoundingBox bbox( true );
+ doc.accept( bbox );
+ const KoRect &rect = bbox.boundingRect();
+
+ // create image with correct width and height
+ TQImage img( int( rect.width() ), int( rect.height() ), 32 );
+ //img.setAlphaBuffer( true );
+
+ // Create painter and set up objects to draw
+ VKoPainter p( img.bits(), rect.width(), rect.height() );
+ p.clear( tqRgba( 0xFF, 0xFF, 0xFF, 0xFF ) );
+ p.setWorldMatrix( TQWMatrix().translate( -rect.x(), -rect.y() ) );
+
+ doc.draw( &p, &rect );
+
+ TQImage image = img.swapRGB();
+ TQImage mirrored = image.mirror( false, true );
+ // save png
+ mirrored.save( m_chain->outputFile(), "PNG" );
+
+ return KoFilter::OK;
+}
+
+#include "pngexport.moc"
+