99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
/*****************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2006 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_SCENE_XRENDER_H
|
|
#define KWIN_SCENE_XRENDER_H
|
|
|
|
#include "config.h"
|
|
|
|
#include "scene.h"
|
|
|
|
#ifdef HAVE_XRENDER
|
|
#include <X11/extensions/Xrender.h>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
class Matrix;
|
|
|
|
class SceneXrender
|
|
: public Scene
|
|
{
|
|
public:
|
|
SceneXrender( Workspace* ws );
|
|
virtual ~SceneXrender();
|
|
virtual CompositingType compositingType() const { return XRenderCompositing; }
|
|
virtual void paint( QRegion damage, ToplevelList windows );
|
|
virtual void windowGeometryShapeChanged( Toplevel* );
|
|
virtual void windowOpacityChanged( Toplevel* );
|
|
virtual void windowAdded( Toplevel* );
|
|
virtual void windowClosed( Toplevel*, Deleted* );
|
|
virtual void windowDeleted( Deleted* );
|
|
Picture bufferPicture();
|
|
protected:
|
|
virtual void paintBackground( QRegion region );
|
|
virtual void paintGenericScreen( int mask, ScreenPaintData data );
|
|
private:
|
|
void paintTransformedScreen( int mask );
|
|
void createBuffer();
|
|
static XserverRegion toXserverRegion( QRegion region );
|
|
XRenderPictFormat* format;
|
|
Picture front;
|
|
static Picture buffer;
|
|
static ScreenPaintData screen_paint;
|
|
class Window;
|
|
QHash< Toplevel*, Window* > windows;
|
|
};
|
|
|
|
class SceneXrender::Window
|
|
: public Scene::Window
|
|
{
|
|
public:
|
|
Window( Toplevel* c );
|
|
virtual ~Window();
|
|
virtual void performPaint( int mask, QRegion region, WindowPaintData data );
|
|
void discardPicture();
|
|
void discardAlpha();
|
|
QRegion transformedShape() const;
|
|
void setTransformedShape( const QRegion& shape );
|
|
private:
|
|
Picture picture();
|
|
Picture alphaMask( double opacity );
|
|
Picture _picture;
|
|
XRenderPictFormat* format;
|
|
Picture alpha;
|
|
double alpha_cached_opacity;
|
|
QRegion transformed_shape;
|
|
};
|
|
|
|
inline
|
|
Picture SceneXrender::bufferPicture()
|
|
{
|
|
return buffer;
|
|
}
|
|
|
|
inline
|
|
QRegion SceneXrender::Window::transformedShape() const
|
|
{
|
|
return transformed_shape;
|
|
}
|
|
|
|
inline
|
|
void SceneXrender::Window::setTransformedShape( const QRegion& shape )
|
|
{
|
|
transformed_shape = shape;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
#endif
|
|
|
|
#endif
|