kwin/effects/shadow.h

46 lines
1.4 KiB
C
Raw Normal View History

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#ifndef KWIN_SHADOW_H
#define KWIN_SHADOW_H
#include <kwineffects.h>
namespace KWin
{
class GLTexture;
class ShadowEffect
: public Effect
{
public:
ShadowEffect();
virtual void prePaintWindow( EffectWindow* w, int* mask, QRegion* paint, QRegion* clip, int time );
virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
virtual void postPaintWindow( EffectWindow* w );
virtual QRect transformWindowDamage( EffectWindow* w, const QRect& r );
private:
void drawShadow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
void addQuadVertices(QVector<float>& verts, float x1, float y1, float x2, float y2) const;
// transforms window rect -> shadow rect
QRect shadowRectangle(const QRect& windowRectangle) const;
int shadowXOffset, shadowYOffset;
float shadowOpacity;
int shadowFuzzyness;
GLTexture* mShadowTexture;
};
} // namespace
#endif