kwin/effects/shadow.h
Luboš Luňák e6069e9cf6 Arghl. Again a stupid bug caused by float having poor precision.
Reverting r700026 and changing floats to doubles again. I'd probably like
to change even the ones interfacing with OpenGL which I've left for now.


svn path=/trunk/KDE/kdebase/workspace/; revision=707987
2007-09-03 15:00:43 +00:00

45 lines
1.4 KiB
C++

/*****************************************************************
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, WindowPrePaintData& data, 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;
double shadowOpacity;
int shadowFuzzyness;
GLTexture* mShadowTexture;
};
} // namespace
#endif