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96 lines
2.3 KiB
C++
96 lines
2.3 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 2012 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, Cambridge, MA 02110-1301, USA.
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*/
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#ifndef THUMBNAILGENERATOR_H
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#define THUMBNAILGENERATOR_H
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// Local
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#include <lib/thumbnailgroup.h>
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// KDE
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#include <KFileItem>
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// Qt
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#include <QImage>
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#include <QMutex>
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#include <QThread>
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#include <QWaitCondition>
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namespace Gwenview
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{
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struct ThumbnailContext {
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QImage mImage;
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int mOriginalWidth;
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int mOriginalHeight;
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bool mNeedCaching;
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bool load(const QString &pixPath, int pixelSize);
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};
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class ThumbnailGenerator : public QThread
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{
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Q_OBJECT
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public:
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ThumbnailGenerator();
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void load(
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const QString& originalUri,
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time_t originalTime,
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KIO::filesize_t originalFileSize,
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const QString& originalMimeType,
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const QString& pixPath,
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const QString& thumbnailPath,
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ThumbnailGroup::Enum group);
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void cancel();
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QString originalUri() const;
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time_t originalTime() const;
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KIO::filesize_t originalFileSize() const;
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QString originalMimeType() const;
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protected:
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virtual void run();
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Q_SIGNALS:
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void done(const QImage&, const QSize&);
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void thumbnailReadyToBeCached(const QString& thumbnailPath, const QImage&);
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private:
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bool testCancel();
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void cacheThumbnail();
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QImage mImage;
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QString mPixPath;
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QString mThumbnailPath;
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QString mOriginalUri;
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time_t mOriginalTime;
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KIO::filesize_t mOriginalFileSize;
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QString mOriginalMimeType;
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int mOriginalWidth;
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int mOriginalHeight;
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QMutex mMutex;
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QWaitCondition mCond;
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ThumbnailGroup::Enum mThumbnailGroup;
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bool mCancel;
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};
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} // namespace
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#endif /* THUMBNAILGENERATOR_H */
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