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67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/* This file is part of the KDE project
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Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
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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 version 2, as published by the Free Software Foundation.
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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 "djvucreator.h"
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#include <QImage>
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#include <QProcess>
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#include <kstandarddirs.h>
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#include <kdebug.h>
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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 DjVuCreator();
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}
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}
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bool DjVuCreator::create(const QString &path, int width, int height, QImage &img)
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{
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const QString ddjvuexe = KStandardDirs::findExe("ddjvu");
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if (ddjvuexe.isEmpty()) {
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kWarning() << "DjVu is not available";
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return false;
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}
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const QStringList ddjvuargs = QStringList()
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<< QLatin1String("-page=1")
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<< QLatin1String("-format=ppm")
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<< (QLatin1String("-size=") + QString::number(width) + QLatin1Char('x') + QString::number(height))
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<< path;
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QProcess ddjvuprocess;
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ddjvuprocess.start(ddjvuexe, ddjvuargs);
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if (ddjvuprocess.waitForFinished() == false || ddjvuprocess.exitCode() != 0) {
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kWarning() << ddjvuprocess.readAllStandardError();
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return false;
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}
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const QByteArray ddjvuimage = ddjvuprocess.readAllStandardOutput();
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if (img.loadFromData(ddjvuimage, "PPM") == false) {
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kWarning() << "Could not load ddjvu image";
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return false;
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}
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return true;
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}
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ThumbCreator::Flags DjVuCreator::flags() const
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{
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return ThumbCreator::DrawFrame;
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}
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