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935b228484
the proxy class Plasma::EasingAnimation is simply redundant, just one more virtual function call which slows the animations Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/*
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* Copyright 2009 Mehmet Ali Akmanalp <makmanalp@wpi.edu>
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* Copyright 2010 Marco Martin <notmart@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* @file This file contains the definition for the PixmapTransition effect.
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*/
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#ifndef PLASMA_ANIMATIONS_PIXMAPTRANSITION_P_H
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#define PLASMA_ANIMATIONS_PIXMAPTRANSITION_P_H
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#include "animations/animation.h"
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namespace Plasma
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{
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/**
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* @class Fade plasma/animations/pixmaptransition.h
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* @short PixmapTransition effect
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*
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* Effect that paints a transition between two pixmaps
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*/
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class PixmapTransition : public Animation
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{
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Q_OBJECT
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Q_PROPERTY(QPixmap startPixmap READ startPixmap WRITE setStartPixmap)
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Q_PROPERTY(QPixmap targetPixmap READ targetPixmap WRITE setTargetPixmap)
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Q_PROPERTY(bool usesCache READ usesCache WRITE setUsesCache)
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Q_PROPERTY(QPixmap currentPixmap READ currentPixmap)
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public:
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explicit PixmapTransition(QObject *parent = nullptr);
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/**
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* @return The first pixmap of the animation
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*/
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QPixmap startPixmap() const;
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/**
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* Set the first pixmap of the animation
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*/
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void setStartPixmap(const QPixmap &pixmap);
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/**
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* The pixmap the animation will evolve to
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*/
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QPixmap targetPixmap() const;
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/**
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* Set the pixmap the animation will evolve to
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*/
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void setTargetPixmap(const QPixmap &pixmap);
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/**
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* @return the current pixmap
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*/
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QPixmap currentPixmap() const;
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/**
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* Enable caching of the resulting pixmap, otherwise it will be regenerated on
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* each call to currentPixmap; for elements which already have their own caching
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* this is not a problem.
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*/
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void setUsesCache(bool cache);
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/**
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* @return whether or not caching is on
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*/
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bool usesCache() const;
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protected:
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void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
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void updateCurrentTime(int currentTime);
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private:
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QPixmap alignedTargetPixmap() const;
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QPixmap alignedStartPixmap() const;
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private:
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QPixmap m_startPixmap;
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QPixmap m_targetPixmap;
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QPixmap m_currentPixmap;
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QRect m_startRect;
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QRect m_targetRect;
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QSize m_pixmapSize;
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bool m_cache;
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bool m_dirty;
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};
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}
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#endif // PLASMA_ANIMATIONS_PIXMAPTRANSITION_P_H
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