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86 lines
2.3 KiB
86 lines
2.3 KiB
/******************************************************************** |
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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) 2007 Rivo Laks <rivolaks@hot.ee> |
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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_BLUR_H |
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#define KWIN_BLUR_H |
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// Include with base class for effects. |
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#include <kwineffects.h> |
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#include <QRegion> |
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template< class T > class QVector; |
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namespace KWin |
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{ |
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class GLRenderTarget; |
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class GLTexture; |
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class GLShader; |
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/** |
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* Blurs the background of translucent windows |
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**/ |
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class BlurEffect : public Effect |
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{ |
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public: |
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BlurEffect(); |
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~BlurEffect(); |
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virtual void prePaintScreen( ScreenPrePaintData& data, int time ); |
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virtual void paintScreen( int mask, QRegion region, ScreenPaintData& data ); |
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virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time ); |
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virtual void drawWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data ); |
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static bool supported(); |
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protected: |
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bool loadData(); |
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GLShader* loadShader(const QString& name); |
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void updateBlurTexture(const QVector<QRect>& rects); |
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void updateBlurTexture(const QRegion& region); |
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QRegion expandedRegion( const QRegion& r ) const; |
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private: |
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GLTexture* mSceneTexture; |
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GLTexture* mTmpTexture; |
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GLTexture* mBlurTexture; |
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GLRenderTarget* mSceneTarget; |
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GLRenderTarget* mTmpTarget; |
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GLRenderTarget* mBlurTarget; |
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GLShader* mBlurShader; |
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GLShader* mWindowShader; |
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bool mValid; |
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int mBlurRadius; |
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int mTransparentWindows; |
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QRegion mBlurDirty; |
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QRegion mScreenDirty; |
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QRegion mBlurMask; |
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}; |
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} // namespace |
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#endif
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