e92aab0518
Based on earlier work done by Lubos Lunak and ideas by Lucas Murray. svn path=/trunk/KDE/kdebase/workspace/; revision=957680
117 lines
3.6 KiB
C++
117 lines
3.6 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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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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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-workspace.h>
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#include "scene.h"
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING
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#include <X11/extensions/Xrender.h>
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#include <X11/extensions/Xfixes.h>
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namespace KWin
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{
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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 bool initFailed() const;
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virtual CompositingType compositingType() const { return XRenderCompositing; }
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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 windowClosed( Toplevel*, Deleted* );
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virtual void windowDeleted( Deleted* );
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Picture bufferPicture();
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protected:
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virtual void paintBackground( QRegion region );
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virtual void paintGenericScreen( int mask, ScreenPaintData data );
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private:
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void paintTransformedScreen( int mask );
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void createBuffer();
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void flushBuffer( int mask, QRegion damage );
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bool selfCheck();
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void selfCheckSetup();
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bool selfCheckFinish();
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XRenderPictFormat* format;
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Picture front;
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static Picture buffer;
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static ScreenPaintData screen_paint;
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class Window;
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QHash< Toplevel*, Window* > windows;
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bool init_ok;
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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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virtual ~Window();
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virtual void performPaint( int mask, QRegion region, WindowPaintData data );
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void discardPicture();
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void discardAlpha();
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QRegion transformedShape() const;
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void setTransformedShape( const QRegion& shape );
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private:
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Picture picture();
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Picture alphaMask( double opacity );
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QRect mapToScreen(int mask, const WindowPaintData &data, const QRect &rect) const;
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QPoint mapToScreen(int mask, const WindowPaintData &data, const QPoint &point) const;
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void prepareTempPixmap(const QPixmap *left, const QPixmap *top, const QPixmap *right, const QPixmap *bottom);
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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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QRegion transformed_shape;
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static QPixmap *temp_pixmap;
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};
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inline
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Picture SceneXrender::bufferPicture()
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{
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return buffer;
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}
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inline
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QRegion SceneXrender::Window::transformedShape() const
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{
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return transformed_shape;
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}
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inline
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void SceneXrender::Window::setTransformedShape( const QRegion& shape )
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{
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transformed_shape = shape;
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}
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} // namespace
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#endif
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#endif
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