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/* ============================================================
*
* This file is a part of kipi-plugins project
* http://www.kipi-plugins.org
*
* Date : 2007-11-14
* Description : a kipi plugin to slide images.
*
* Copyright (C) 2007 by Valerio Fuoglio <valerio dot fuoglio at gmail dot com>
*
* Parts of this code are based on smoothslidesaver by Carsten Weinhold
* <carsten dot weinhold at gmx dot de>
*
* 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 IMAGELOADTHREAD_H
#define IMAGELOADTHREAD_H
// QT includes.
#include <tqimage.h>
#include <tqthread.h>
#include <tqwaitcondition.h>
#include <tqmutex.h>
#include <tqvaluelist.h>
#include <tqpair.h>
#include <tqstring.h>
#include <tqobject.h>
namespace KIPISlideShowPlugin
{
class ImageLoadThread : public TQObject, public TQThread
{
Q_OBJECT
public:
ImageLoadThread(TQValueList<TQPair<TQString, int> >& fileList, int width, int height);
void quit();
void requestNewImage();
bool grabImage() { m_imageLock.lock(); return m_haveImages; };
void ungrabImage() { m_imageLock.unlock(); };
bool ready() { return m_initialized; };
const TQImage &image() { return m_texture; };
float imageAspect() { return m_textureAspect; };
signals:
void endOfShow();
protected:
void run();
bool loadImage();
void invalidateCurrentImageName();
private:
int m_fileIndex;
TQValueList<TQPair<TQString, int> > m_fileList;
int m_width, m_height;
TQWaitCondition m_imageRequest;
TQMutex m_condLock, m_imageLock;
bool m_initialized, m_needImage, m_haveImages, m_quitRequested, m_scanSubdirectories;
float m_textureAspect;
TQImage m_texture;
};
} // NameSpace KIPISlideShowPlugin
#endif // IMAGELOADTHREAD_H
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