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86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2007 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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// Self
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#include "exiv2imageloader.h"
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// Qt
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#include <QByteArray>
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#include <QString>
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// KDE
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// Exiv2
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#include <exiv2/error.hpp>
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#include <exiv2/types.hpp>
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// Local
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namespace Gwenview
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{
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struct Exiv2ImageLoaderPrivate
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{
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Exiv2::Image::AutoPtr mImage;
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QString mErrorMessage;
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};
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Exiv2ImageLoader::Exiv2ImageLoader()
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: d(new Exiv2ImageLoaderPrivate)
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{
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}
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Exiv2ImageLoader::~Exiv2ImageLoader()
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{
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delete d;
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}
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bool Exiv2ImageLoader::load(const QByteArray& data)
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{
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try {
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d->mImage = Exiv2::ImageFactory::open((unsigned char*)data.constData(), data.size());
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d->mImage->readMetadata();
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#if EXIV2_VERSION >= EXIV2_MAKE_VERSION(0, 14, 0)
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// For some unknown reason, trying to catch Exiv2::Error fails with Exiv2
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// >=0.14. For now, just catch std::exception. I would welcome any
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// explanation.
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} catch (const std::exception& error) {
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d->mErrorMessage = error.what();
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#else
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// In libexiv2 0.12, Exiv2::Error::what() returns an std::string.
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} catch (const Exiv2::Error& error) {
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d->mErrorMessage = error.what().c_str();
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#endif
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return false;
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}
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return true;
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}
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QString Exiv2ImageLoader::errorMessage() const
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{
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return d->mErrorMessage;
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}
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Exiv2::Image::AutoPtr Exiv2ImageLoader::popImage()
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{
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return d->mImage;
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}
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} // namespace
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