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kipi-plugins/kipi-plugins/slideshow/slideshowloader.h

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/* ============================================================
*
* This file is a part of kipi-plugins project
* http://www.kipi-plugins.org
*
* Date : 2007-11-11
* Description : a kipi plugin to slide images.
*
* Copyright (C) 2007 by Valerio Fuoglio <valerio dot fuoglio at gmail dot com>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
#ifndef SLIDESHOWLOADER_H
#define SLIDESHOWLOADER_H
// QT includes
#include <tqmap.h>
#include <tqmutex.h>
#include <tqimage.h>
#include <tqpixmap.h>
#include <tqthread.h>
#include <tqvaluelist.h>
#include <tqpair.h>
// KDE includes
#include <kurl.h>
typedef TQPair<TQString, int> FileAnglePair;
typedef TQValueList<FileAnglePair> FileList;
namespace KIPISlideShowPlugin
{
typedef TQMap<KURL, TQImage> LoadedImages;
class LoadThread : public TQThread
{
public:
LoadThread(LoadedImages* loadedImages, TQMutex* imageLock, const KURL path,
const int angle, int width, int height);
~LoadThread();
protected:
void run();
private:
TQMutex* m_imageLock;
LoadedImages* m_loadedImages;
KURL m_path;
TQString m_filename;
int m_angle;
int m_swidth;
int m_sheight;
};
typedef TQMap<KURL, LoadThread*> LoadingThreads;
class SlideShowLoader
{
public:
SlideShowLoader(FileList &pathList, uint cacheSize, int width, int height, int beginAtIndex=0);
~SlideShowLoader();
void next();
void prev();
TQImage getCurrent();
TQString currFileName();
KURL currPath();
private:
void checkIsIn(int index);
LoadingThreads* m_loadingThreads;
LoadedImages* m_loadedImages;
FileList m_pathList;
TQMutex* m_imageLock;
TQMutex* m_threadLock;
uint m_cacheSize;
int m_currIndex;
int m_swidth;
int m_sheight;
};
} // NameSpace KIPISlideShowPlugin
#endif // SLIDESHOWLOADER_H