mirror of
https://invent.kde.org/graphics/okular
synced 2024-10-02 06:03:47 +00:00
066beaa1dd
- no need for a private empty constructor - move the signalRequestDone 'signal' to a protected visibility, as it's not meant to be called from outside a generator - KPDF_EXPORT_PLUGIN -> OKULAR_EXPORT_PLUGIN svn path=/trunk/playground/graphics/okular/; revision=553077
86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/***************************************************************************
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* Copyright (C) 2005 by Albert Astals Cid <tsdgeos@terra.es> *
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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 <qpainter.h>
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#include <qpixmap.h>
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#include <qimage.h>
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#include <kimageeffect.h>
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#include <kprinter.h>
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#include "core/page.h"
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#include "generator_kimgio.h"
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OKULAR_EXPORT_PLUGIN(KIMGIOGenerator)
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KIMGIOGenerator::KIMGIOGenerator( KPDFDocument * document ) : Generator( document )
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{
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}
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KIMGIOGenerator::~KIMGIOGenerator()
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{
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delete m_pix;
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}
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bool KIMGIOGenerator::loadDocument( const QString & fileName, QVector<KPDFPage*> & pagesVector )
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{
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m_pix = new QPixmap(fileName);
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pagesVector.resize( 1 );
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KPDFPage * page = new KPDFPage( 0, m_pix->width(), m_pix->height(), 0 );
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pagesVector[0] = page;
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return true;
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}
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bool KIMGIOGenerator::canGeneratePixmap( bool /* async */ )
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{
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return true;
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}
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void KIMGIOGenerator::generatePixmap( PixmapRequest * request )
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{
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// perform a smooth scaled generation
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QImage smoothImage = m_pix->toImage().scaled( request->width, request->height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
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// rotate, if necessary
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int rotation = m_document->rotation();
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QImage finalImage = rotation > 0
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? KImageEffect::rotate( smoothImage, (KImageEffect::RotateDirection)( rotation - 1 ) )
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: smoothImage;
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QPixmap * p = new QPixmap();
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*p = QPixmap::fromImage( finalImage );
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request->page->setPixmap(request->id, p);
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// signal that the request has been accomplished
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signalRequestDone(request);
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}
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void KIMGIOGenerator::setOrientation( QVector<KPDFPage*> & pagesVector, int orientation )
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{
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int w = m_pix->width();
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int h = m_pix->height();
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if ( orientation % 2 == 1 )
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qSwap( w, h );
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delete pagesVector[0];
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KPDFPage * page = new KPDFPage( 0, w, h, orientation );
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pagesVector[0] = page;
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}
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bool KIMGIOGenerator::print( KPrinter& printer )
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{
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QPainter p(&printer);
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p.drawPixmap(0, 0, *m_pix);
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return true;
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}
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#include "generator_kimgio.moc"
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