112 lines
3.0 KiB
C++
112 lines
3.0 KiB
C++
/*
|
|
* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
|
|
* Copyright 2010 Marco Martin <notmart@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Library 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
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
/**
|
|
* @file This file contains the definition for the PixmapTransition effect.
|
|
*/
|
|
|
|
#ifndef PLASMA_ANIMATIONS_PIXMAPTRANSITION_P_H
|
|
#define PLASMA_ANIMATIONS_PIXMAPTRANSITION_P_H
|
|
|
|
#include <plasma/animations/easinganimation_p.h>
|
|
#include <plasma/plasma_export.h>
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
/**
|
|
* @class Fade plasma/animations/pixmaptransition.h
|
|
* @short PixmapTransition effect
|
|
*
|
|
* Effect that paints a transition between two pixmaps
|
|
*/
|
|
class PixmapTransition : public EasingAnimation
|
|
{
|
|
Q_OBJECT
|
|
Q_PROPERTY(QPixmap startPixmap READ startPixmap WRITE setStartPixmap)
|
|
Q_PROPERTY(QPixmap targetPixmap READ targetPixmap WRITE setTargetPixmap)
|
|
Q_PROPERTY(bool usesCache READ usesCache WRITE setUsesCache)
|
|
Q_PROPERTY(QPixmap currentPixmap READ currentPixmap)
|
|
|
|
public:
|
|
explicit PixmapTransition(QObject *parent = 0);
|
|
|
|
virtual ~PixmapTransition();
|
|
|
|
/**
|
|
* @return The first pixmap of the animation
|
|
*/
|
|
QPixmap startPixmap() const;
|
|
|
|
/**
|
|
* Set the first pixmap of the animation
|
|
*/
|
|
void setStartPixmap(const QPixmap &);
|
|
|
|
/**
|
|
* The pixmap the animation will evolve to
|
|
*/
|
|
QPixmap targetPixmap() const;
|
|
|
|
/**
|
|
* Set the pixmap the animation will evolve to
|
|
*/
|
|
void setTargetPixmap(const QPixmap &);
|
|
|
|
/**
|
|
* @return the current pixmap
|
|
*/
|
|
QPixmap currentPixmap() const;
|
|
|
|
/**
|
|
* Enable caching of the resulting pixmap, otherwise it will be regenerated on
|
|
* each call to currentPixmap; for elements which already have their own caching
|
|
* this is not a problem.
|
|
*/
|
|
void setUsesCache(bool cache);
|
|
|
|
/**
|
|
* @return whether or not caching is on
|
|
*/
|
|
bool usesCache() const;
|
|
|
|
protected:
|
|
void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
|
|
void updateEffectiveTime(int currentTime);
|
|
|
|
private:
|
|
QPixmap alignedTargetPixmap() const;
|
|
QPixmap alignedStartPixmap() const;
|
|
|
|
private:
|
|
QPixmap m_startPixmap;
|
|
QPixmap m_targetPixmap;
|
|
QPixmap m_currentPixmap;
|
|
QRect m_startRect;
|
|
QRect m_targetRect;
|
|
QSize m_pixmapSize;
|
|
bool m_cache;
|
|
bool m_dirty;
|
|
};
|
|
|
|
}
|
|
|
|
#endif // PLASMA_ANIMATIONS_PIXMAPTRANSITION_P_H
|