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Diffstat (limited to 'filters/karbon/png/pngexport.cpp')
-rw-r--r-- | filters/karbon/png/pngexport.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/filters/karbon/png/pngexport.cpp b/filters/karbon/png/pngexport.cpp new file mode 100644 index 000000000..89b43d03f --- /dev/null +++ b/filters/karbon/png/pngexport.cpp @@ -0,0 +1,96 @@ +/* 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" + |