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koffice/filters/kformula/png/pngexport.cc

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/* This file is part of the KDE project
Copyright (C) 2002 Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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 <tqstring.h>
#include <tqtextstream.h>
#include <tqfile.h>
#include <tqobject.h>
#include <tdeapplication.h>
#include <kdebug.h>
#include <kgenericfactory.h>
#include <tdemessagebox.h>
#include <KoFilterChain.h>
#include <KoStore.h>
#include <KoStoreDevice.h>
#include "pngexport.h"
#include "pngexportdia.h"
typedef KGenericFactory<PNGExport, KoFilter> PNGExportFactory;
K_EXPORT_COMPONENT_FACTORY( libkfopngexport, PNGExportFactory( "kofficefilters" ) )
PNGExport::PNGExport( KoFilter */*parent*/, const char */*name*/, const TQStringList& )
: KoFilter()
{
}
KoFilter::ConversionStatus PNGExport::convert( const TQCString& from, const TQCString& to )
{
if ( to != "image/png" || from != "application/x-kformula" )
return KoFilter::NotImplemented;
KoStoreDevice* in = m_chain->storageFile( "root", KoStore::Read );
if(!in) {
kapp->restoreOverrideCursor();
KMessageBox::error( 0, i18n( "Failed to read data." ), i18n( "PNG Export Error" ) );
return KoFilter::FileNotFound;
}
TQDomDocument dom( "KFORMULA" );
if ( !dom.setContent( in, false ) ) {
kapp->restoreOverrideCursor();
KMessageBox::error( 0, i18n( "Malformed XML data." ), i18n( "PNG Export Error" ) );
return KoFilter::WrongFormat;
}
PNGExportDia* dialog = new PNGExportDia( dom, m_chain->outputFile() );
dialog->exec();
delete dialog;
return KoFilter::OK;
}
#include "pngexport.moc"