mirror of
https://invent.kde.org/graphics/okular
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109 lines
3 KiB
C++
109 lines
3 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Tobias Koenig <tokoe@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "generator_fax.h"
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#include <QPainter>
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#include <QPrinter>
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#include <KAboutData>
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#include <KLocalizedString>
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#include <core/document.h>
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#include <core/page.h>
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OKULAR_EXPORT_PLUGIN(FaxGenerator, "libokularGenerator_fax.json")
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FaxGenerator::FaxGenerator( QObject *parent, const QVariantList &args )
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: Generator( parent, args )
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{
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setFeature( Threaded );
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setFeature( PrintNative );
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setFeature( PrintToFile );
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}
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FaxGenerator::~FaxGenerator()
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{
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}
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bool FaxGenerator::loadDocument( const QString & fileName, QVector<Okular::Page*> & pagesVector )
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{
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if ( fileName.toLower().endsWith( QLatin1String(".g3") ) )
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m_type = FaxDocument::G3;
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else
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m_type = FaxDocument::G4;
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FaxDocument faxDocument( fileName, m_type );
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if ( !faxDocument.load() )
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{
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emit error( i18n( "Unable to load document" ), -1 );
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return false;
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}
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m_img = faxDocument.image();
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pagesVector.resize( 1 );
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Okular::Page * page = new Okular::Page( 0, m_img.width(), m_img.height(), Okular::Rotation0 );
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pagesVector[0] = page;
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return true;
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}
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bool FaxGenerator::doCloseDocument()
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{
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m_img = QImage();
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return true;
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}
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QImage FaxGenerator::image( Okular::PixmapRequest * request )
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{
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// perform a smooth scaled generation
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int width = request->width();
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int height = request->height();
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if ( request->page()->rotation() % 2 == 1 )
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qSwap( width, height );
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return m_img.scaled( width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
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}
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Okular::DocumentInfo FaxGenerator::generateDocumentInfo( const QSet<Okular::DocumentInfo::Key> &keys ) const
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{
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Okular::DocumentInfo docInfo;
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if ( keys.contains( Okular::DocumentInfo::MimeType ) )
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{
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if ( m_type == FaxDocument::G3 )
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docInfo.set( Okular::DocumentInfo::MimeType, QStringLiteral("image/fax-g3") );
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else
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docInfo.set( Okular::DocumentInfo::MimeType, QStringLiteral("image/fax-g4") );
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}
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return docInfo;
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}
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bool FaxGenerator::print( QPrinter& printer )
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{
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QPainter p( &printer );
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QImage image( m_img );
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if ( ( image.width() > printer.width() ) || ( image.height() > printer.height() ) )
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image = image.scaled( printer.width(), printer.height(),
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Qt::KeepAspectRatio, Qt::SmoothTransformation );
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p.drawImage( 0, 0, image );
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return true;
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}
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#include "generator_fax.moc"
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