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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> and slideshowgl.{cpp|h} by Renchi Raju
* <renchi@pooh.tam.uiuc.edu>
*
* 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 SLIDESHOWKB_H
#define SLIDESHOWKB_H
// C++ includes.
#include <cstdlib>
// TQt includes.
#include <tqgl.h>
#include <tqtimer.h>
#include <tqvaluelist.h>
#include <tqpair.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqevent.h>
#include <tqmap.h>
// KDE includes.
#include <kconfig.h>
// Local includes.
#include "kbeffect.h"
#include "screenproperties.h"
namespace KIPISlideShowPlugin
{
class SmoothSlideSaver;
class ImageLoadThread;
// -------------------------------------------------------------------------
class ViewTrans
{
public:
ViewTrans(bool m_zoomIn, float relAspect);
float transX(float pos) const { return m_baseX + m_deltaX * pos; };
float transY(float pos) const { return m_baseY + m_deltaY * pos; };
float scale (float pos) const { return m_baseScale * (1.0 + m_deltaScale * pos); };
float m_xScaleCorrect() { return m_xScale; };
float m_yScaleCorrect() { return m_yScale; };
private:
double rnd() const { return (double)rand() / (double)RAND_MAX; };
double rndSign() const { return (rand() < RAND_MAX / 2) ? 1.0 : -1.0; };
private:
// delta and scale values (begin to end) and the needed offsets
double m_deltaX, m_deltaY, m_deltaScale;
double m_baseScale, m_baseX, m_baseY;
float m_xScale, m_yScale;
};
// -------------------------------------------------------------------------
class Image
{
public:
Image(ViewTrans *viewTrans, float aspect = 1.0);
~Image();
ViewTrans* m_viewTrans;
float m_aspect;
float m_pos;
float m_opacity;
bool m_paint;
GLuint m_texture;
};
// -------------------------------------------------------------------------
class SlideShowKB : public TQGLWidget
{
Q_OBJECT
TQ_OBJECT
public:
SlideShowKB(const TQValueList<TQPair<TQString, int> >& fileList,
const TQStringList& commentsList, bool ImagesHasComments);
~SlideShowKB();
static TQStringList effectNames();
static TQMap<TQString,TQString> effectNamesI18N();
private:
float aspect() { return (float)width() / (float)height(); };
bool setupNewImage(int imageIndex);
void startSlideShowOnce();
void swapImages();
void setNewKBEffect();
void endOfShow();
void initializeGL();
void paintGL();
void resizeGL(int w, int h);
void applyTexture(Image *img, const TQImage &image);
void paintTexture(Image *img);
unsigned suggestFrameRate(unsigned forceRate);
void readSettings();
protected:
void mousePressEvent(TQMouseEvent *event);
void mouseMoveEvent(TQMouseEvent *);
private slots:
void moveSlot();
void slotEndOfShow();
void slotMouseMoveTimeOut();
void slotClose();
private:
int m_deskX;
int m_deskY;
int m_deskWidth;
int m_deskHeight;
KConfig* m_config;
bool m_imagesHasComments;
TQStringList m_commentsList;
ScreenProperties* m_screen;
TQTimer *m_timer;
TQTimer *m_mouseMoveTimer;
ImageLoadThread *m_imageLoadThread;
bool m_haveImages;
Image *m_image[2];
KBEffect *m_effect;
int m_numKBEffectRepeated;
bool m_zoomIn, m_initialized;
float m_step;
bool m_endOfShow;
bool m_showingEnd;
// settings from config file
int m_delay;
bool m_disableFadeInOut;
bool m_disableCrossFade;
unsigned m_forceFrameRate;
friend class KBEffect;
};
} // NameSpace KIPISlideShowPlugin
#endif // SLIDESHOWKB_H
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