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90 lines
2.5 KiB
90 lines
2.5 KiB
/* ============================================================
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*
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* This file is a part of kipi-plugins project
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* http://www.kipi-plugins.org
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*
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* Date : 2007-11-14
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* Description : a kipi plugin to slide images.
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*
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* Copyright (C) 2007 by Valerio Fuoglio <valerio dot fuoglio at gmail dot com>
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*
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* Parts of this code are based on smoothslidesaver by Carsten Weinhold
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* <carsten dot weinhold at gmx dot de>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option) any later version.
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*
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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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*
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* ============================================================ */
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#ifndef IMAGELOADTHREAD_H
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#define IMAGELOADTHREAD_H
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// QT includes.
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#include <tqimage.h>
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#include <tqthread.h>
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#include <tqwaitcondition.h>
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#include <tqmutex.h>
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#include <tqvaluelist.h>
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#include <tqpair.h>
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#include <tqstring.h>
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#include <tqobject.h>
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namespace KIPISlideShowPlugin
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{
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class ImageLoadThread : public TQObject, public TQThread
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{
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TQ_OBJECT
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public:
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ImageLoadThread(TQValueList<TQPair<TQString, int> >& fileList, int width, int height);
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void quit();
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void requestNewImage();
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bool grabImage() { m_imageLock.lock(); return m_haveImages; };
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void ungrabImage() { m_imageLock.unlock(); };
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bool ready() { return m_initialized; };
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const TQImage &image() { return m_texture; };
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float imageAspect() { return m_textureAspect; };
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signals:
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void endOfShow();
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protected:
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void run();
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bool loadImage();
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void invalidateCurrentImageName();
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private:
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int m_fileIndex;
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TQValueList<TQPair<TQString, int> > m_fileList;
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int m_width, m_height;
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TQWaitCondition m_imageRequest;
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TQMutex m_condLock, m_imageLock;
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bool m_initialized, m_needImage, m_haveImages, m_quitRequested, m_scanSubdirectories;
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float m_textureAspect;
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TQImage m_texture;
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};
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} // NameSpace KIPISlideShowPlugin
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#endif // IMAGELOADTHREAD_H
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