66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/*
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* Copyright © 2010 Fredrik Höglund <fredrik@kde.org>
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*
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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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*
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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 GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. if not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef BLUR_H
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#define BLUR_H
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#include <kwineffects.h>
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#include <kwinglutils.h>
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#include <QVector>
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#include <QVector2D>
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namespace KWin
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{
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class BlurShader;
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class BlurEffect : public KWin::Effect
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{
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public:
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BlurEffect();
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~BlurEffect();
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static bool supported();
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void windowAdded(EffectWindow *w);
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void propertyNotify(EffectWindow *w, long atom);
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void paintScreen(int mask, QRegion region, ScreenPaintData &data);
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void drawWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data);
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private:
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QRect expand(const QRect &rect) const;
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QRegion expand(const QRegion ®ion) const;
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QRegion blurRegion(const EffectWindow *w) const;
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void updateBlurRegion(EffectWindow *w) const;
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void drawRegion(const QRegion ®ion);
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private:
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BlurShader *shader;
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QVector<QVector2D> vertices;
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GLRenderTarget *target;
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GLTexture *tex;
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long net_wm_blur_region;
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int radius;
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};
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} // namespace KWin
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#endif
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