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103 lines
3.1 KiB
103 lines
3.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2005 Inge Wallin <inge@lysator.liu.se>
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Copyright (C) 2005 Fredrik Edemar <f_edemar@linux.se>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301 USA.
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*/
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#include <tqpicture.h>
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#include <tqpainter.h>
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#include <tdeapplication.h>
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#include <kmessagebox.h>
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#include <KoFilterChain.h>
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#include <KoStore.h>
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//#include <KoStoreDevice.h>
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#include <kgenericfactory.h>
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#include <kformulacontainer.h>
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#include "kformuladocument.h"
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#include "svgexport.h"
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typedef KGenericFactory<SvgExport, KoFilter> SvgExportFactory;
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K_EXPORT_COMPONENT_FACTORY( libkfosvgexport, SvgExportFactory( "svgexport" ) )
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SvgExport::SvgExport(KoFilter *, const char *, const TQStringList&)
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: KoFilter()
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{
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}
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SvgExport::~SvgExport()
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{
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}
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KoFilter::ConversionStatus
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SvgExport::convert(const TQCString& from, const TQCString& to)
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{
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// Check for proper conversion.
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if ( from != "application/x-kformula" || to != "image/svg+xml" )
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return KoFilter::NotImplemented;
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// Read the contents of the KFormula file
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KoStoreDevice* storeIn = m_chain->storageFile( "root", KoStore::Read );
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if ( !storeIn ) {
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KMessageBox::error( 0, i18n("Failed to read data." ),
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i18n( "SVG Export Error" ) );
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return KoFilter::FileNotFound;
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}
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// Get the XML tree.
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TQDomDocument domIn;
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domIn.setContent( storeIn );
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TQDomElement docNode = domIn.documentElement();
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// Read the document from the XML tree.
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KFormula::DocumentWrapper* wrapper = new KFormula::DocumentWrapper( kapp->config(), 0 );
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KFormula::Document* kformulaDoc = new KFormula::Document;
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wrapper->document( kformulaDoc );
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KFormula::Container* formula = kformulaDoc->createFormula();
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if ( !kformulaDoc->loadXML( domIn ) ) {
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KMessageBox::error( 0, i18n( "Malformed XML data." ),
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i18n( "SVG Export Error" ) );
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return KoFilter::WrongFormat;
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}
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// Draw the actual bitmap.
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TQPicture picture;
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TQPainter painter(&picture);
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TQRect rect(TQPoint(0, 0), TQPoint(500, 400));
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formula->draw( painter, rect, false );
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painter.end();
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// Save the image.
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if ( !picture.save( m_chain->outputFile(), "SVG" ) ) {
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KMessageBox::error( 0, i18n( "Failed to write file." ),
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i18n( "SVG Export Error" ) );
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}
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delete formula;
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delete wrapper;
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return KoFilter::OK;
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}
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#include <svgexport.moc>
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