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/***************************************************************************
* Copyright (C) 2007, 2008, 2009, 2011, 2014 by Glad Deschrijver *
* <glad.deschrijver@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#include "tikzpreviewrenderer.h"
#include <QtGui/QImage>
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
#include <poppler-qt5.h>
#else
#include <poppler-qt4.h>
#endif
TikzPreviewRenderer::TikzPreviewRenderer()
{
moveToThread(&m_thread);
m_thread.start();
}
TikzPreviewRenderer::~TikzPreviewRenderer()
{
if (m_thread.isRunning())
{
m_thread.quit();
m_thread.wait();
}
}
void TikzPreviewRenderer::generatePreview(Poppler::Document *tikzPdfDoc, qreal zoomFactor, int currentPage)
{
Poppler::Page *pdfPage = tikzPdfDoc->page(currentPage);
const QImage tikzImage = pdfPage->renderToImage(zoomFactor * 72, zoomFactor * 72);
delete pdfPage;
Q_EMIT showPreview(tikzImage, zoomFactor);
}
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