89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*****************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
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You can Freely distribute this program under the GNU General Public
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License. See the file "COPYING" for the exact licensing terms.
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******************************************************************/
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#ifndef KWIN_SCENE_XRENDER_H
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#define KWIN_SCENE_XRENDER_H
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#include "config.h"
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#ifdef HAVE_XRENDER
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#include <X11/extensions/Xrender.h>
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#include "scene.h"
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#include "effects.h"
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namespace KWinInternal
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{
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class Matrix;
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class SceneXrender
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: public Scene
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{
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public:
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SceneXrender( Workspace* ws );
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virtual ~SceneXrender();
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virtual void paint( QRegion damage, ToplevelList windows );
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virtual void windowGeometryShapeChanged( Toplevel* );
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virtual void windowOpacityChanged( Toplevel* );
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virtual void windowAdded( Toplevel* );
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virtual void windowDeleted( Toplevel* );
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private:
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void createBuffer();
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void paintGenericScreen();
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void paintSimpleScreen( QRegion region );
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void paintBackground( QRegion region );
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class Window;
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void paintWindow( Window* w, int mask, QRegion region );
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static XserverRegion toXserverRegion( QRegion region );
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XRenderPictFormat* format;
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Picture front;
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static Picture buffer;
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QMap< Toplevel*, Window > windows;
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QVector< Window* > stacking_order;
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typedef Scene::Phase2Data< Window > Phase2Data;
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class WrapperEffect;
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};
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class SceneXrender::Window
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: public Scene::Window
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{
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public:
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Window( Toplevel* c );
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void free(); // is often copied by value, use manually instead of dtor
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void performPaint( QRegion region, int mask );
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void discardPicture();
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void discardAlpha();
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Window() {} // QMap sucks even in Qt4
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private:
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Picture picture();
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Picture alphaMask();
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Picture _picture;
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XRenderPictFormat* format;
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Picture alpha;
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double alpha_cached_opacity;
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};
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// a special effect that is last in the order that'll actually call the painting functions
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class SceneXrender::WrapperEffect
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: public Effect
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{
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public:
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virtual void prePaintScreen( int* mask, QRegion* region );
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virtual void paintScreen( int mask, QRegion region, ScreenPaintData& data );
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virtual void prePaintWindow( Scene::Window* w, int* mask, QRegion* region );
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virtual void paintWindow( Scene::Window* w, int mask, QRegion region, WindowPaintData& data );
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};
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} // namespace
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#endif
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#endif
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