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Diffstat (limited to 'kipi-plugins/slideshow/slideshowkb.h')
| -rw-r--r-- | kipi-plugins/slideshow/slideshowkb.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/kipi-plugins/slideshow/slideshowkb.h b/kipi-plugins/slideshow/slideshowkb.h new file mode 100644 index 0000000..58c2ce8 --- /dev/null +++ b/kipi-plugins/slideshow/slideshowkb.h @@ -0,0 +1,190 @@ +/* ============================================================ + * + * 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> + +// Qt includes. + +#include <qgl.h> +#include <qtimer.h> +#include <qvaluelist.h> +#include <qpair.h> +#include <qstring.h> +#include <qstringlist.h> +#include <qevent.h> +#include <qmap.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 QGLWidget + { + + Q_OBJECT + + public: + + SlideShowKB(const QValueList<QPair<QString, int> >& fileList, + const QStringList& commentsList, bool ImagesHasComments); + + ~SlideShowKB(); + + static QStringList effectNames(); + static QMap<QString,QString> 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 QImage &image); + void paintTexture(Image *img); + unsigned suggestFrameRate(unsigned forceRate); + + void readSettings(); + + protected: + + void mousePressEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *); + + 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; + QStringList m_commentsList; + + ScreenProperties* m_screen; + QTimer *m_timer; + QTimer *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 |