mirror of
https://invent.kde.org/graphics/okular
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109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 by Albert Astals Cid <aacid@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 "rendererthread.h"
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#include <qimage.h>
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#include <kdebug.h>
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#include "core/generator.h"
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#include "core/page.h"
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#include "core/utils.h"
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GSRendererThread *GSRendererThread::theRenderer = 0;
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GSRendererThread *GSRendererThread::getCreateRenderer()
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{
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if (!theRenderer) theRenderer = new GSRendererThread();
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return theRenderer;
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}
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GSRendererThread::GSRendererThread()
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{
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m_renderContext = spectre_render_context_new();
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}
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GSRendererThread::~GSRendererThread()
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{
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spectre_render_context_free(m_renderContext);
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}
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void GSRendererThread::setMagnify(double magnify)
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{
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spectre_render_context_set_scale(m_renderContext, magnify);
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}
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void GSRendererThread::setPlatformFonts(bool pfonts)
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{
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spectre_render_context_set_use_platform_fonts(m_renderContext, pfonts);
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}
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void GSRendererThread::setAABits(int text, int graphics)
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{
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spectre_render_context_set_antialias_bits(m_renderContext, graphics, text);
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}
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void GSRendererThread::setRotation(int rotation)
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{
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spectre_render_context_set_rotation(m_renderContext, rotation);
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}
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void GSRendererThread::startRequest(Okular::PixmapRequest *request, SpectrePage *page)
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{
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m_nextRequest = request;
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m_nextPage = page;
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m_semaphore.release();
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}
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void GSRendererThread::run()
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{
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while(1)
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{
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m_semaphore.acquire();
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m_currentRequest = m_nextRequest;
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m_currentPage = m_nextPage;
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unsigned char *data = NULL;
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int row_length;
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int wantedWidth = m_currentRequest->width();
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int wantedHeight = m_currentRequest->height();
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spectre_page_render(m_currentPage, m_renderContext, &data, &row_length);
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QImage img;
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if (row_length == wantedWidth * 4)
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{
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img = QImage(data, wantedWidth, wantedHeight, QImage::Format_RGB32 );
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}
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else
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{
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// In case this ends up beign very slow we can try with some memmove
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QImage aux(data, row_length / 4, wantedHeight, QImage::Format_RGB32 );
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img = QImage(aux.copy(0, 0, wantedWidth, wantedHeight));
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}
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QImage *image = new QImage(img.copy());
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free(data);
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if (image->width() != wantedWidth || image->height() != wantedHeight)
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{
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kWarning(4711) << "Generated image does not match wanted size " << image->width() << " " << m_currentRequest->width() << " " << image->height() << " " << m_currentRequest->height() ;
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QImage aux = image->scaled(wantedWidth, wantedHeight);
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delete image;
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image = new QImage(aux);
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}
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emit imageDone(image, m_currentRequest);
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spectre_page_free(m_currentPage);
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}
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}
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#include "rendererthread.moc"
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