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61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/* This file is part of the KDE libraries
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Copyright (c) 2006 Pascal Létourneau <pascal.letourneau@kdemail.net>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "svgcreator.h"
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#include <QImage>
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#include <QPainter>
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#include <QSvgRenderer>
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#include <kdemacros.h>
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extern "C"
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{
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KDE_EXPORT ThumbCreator *new_creator()
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{
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return new SvgCreator;
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}
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}
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bool SvgCreator::create(const QString &path, int w, int h, QImage &img)
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{
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QSvgRenderer r(path);
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if ( !r.isValid() )
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return false;
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// render using the correct ratio
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const double ratio = static_cast<double>(r.defaultSize().height()) /
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static_cast<double>(r.defaultSize().width());
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if (w < h)
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h = qRound(ratio * w);
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else
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w = qRound(h / ratio);
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QImage i(w, h, QImage::Format_ARGB32_Premultiplied);
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i.fill(0);
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QPainter p(&i);
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r.render(&p);
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img = i;
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return true;
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}
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ThumbCreator::Flags SvgCreator::flags() const
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{
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return None;
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}
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