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108 lines
3.0 KiB
108 lines
3.0 KiB
/*************************************************************************** |
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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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