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102 lines
3.4 KiB
102 lines
3.4 KiB
/*************************************************************************** |
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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::addRequest(const GSRendererThreadRequest &req) |
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{ |
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m_queueMutex.lock(); |
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m_queue.enqueue(req); |
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m_queueMutex.unlock(); |
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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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bool goAhead = true; |
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do |
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{ |
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m_queueMutex.lock(); |
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GSRendererThreadRequest req = m_queue.dequeue(); |
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goAhead = !m_queue.isEmpty(); |
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m_queueMutex.unlock(); |
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spectre_render_context_set_scale(m_renderContext, req.magnify, req.magnify); |
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spectre_render_context_set_use_platform_fonts(m_renderContext, req.platformFonts); |
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spectre_render_context_set_antialias_bits(m_renderContext, req.graphicsAAbits, req.textAAbits); |
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spectre_render_context_set_rotation(m_renderContext, req.rotation); |
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unsigned char *data = NULL; |
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int row_length = 0; |
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int wantedWidth = req.request->width(); |
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int wantedHeight = req.request->height(); |
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spectre_page_render(req.spectrePage, 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).nospace() << "Generated image does not match wanted size: " |
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<< "[" << image->width() << "x" << image->height() << "] vs requested " |
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<< "[" << req.request->width() << "x" << req.request->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, req.request); |
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spectre_page_free(req.spectrePage); |
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} while (goAhead); |
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} |
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} |
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#include "rendererthread.moc"
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