74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
|
|
* Copyright © 2010 Fredrik Höglund <fredrik@kde.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. if not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef BLUR_H
|
|
#define BLUR_H
|
|
|
|
#include <kwineffects.h>
|
|
#include <kwinglplatform.h>
|
|
#include <kwinglutils.h>
|
|
|
|
#include <QVector>
|
|
#include <QVector2D>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
class BlurShader;
|
|
|
|
class BlurEffect : public KWin::Effect
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
BlurEffect();
|
|
~BlurEffect();
|
|
|
|
static bool supported();
|
|
static bool enabledByDefault();
|
|
|
|
void reconfigure(ReconfigureFlags flags);
|
|
void prePaintScreen(ScreenPrePaintData &data, int time);
|
|
void drawWindow(EffectWindow *w, int mask, QRegion region, WindowPaintData &data);
|
|
void paintEffectFrame(EffectFrame *frame, QRegion region, double opacity, double frameOpacity);
|
|
|
|
public Q_SLOTS:
|
|
void slotWindowAdded(EffectWindow *w);
|
|
void slotPropertyNotify(EffectWindow *w, long atom);
|
|
|
|
private:
|
|
QRect expand(const QRect &rect) const;
|
|
QRegion expand(const QRegion ®ion) const;
|
|
QRegion blurRegion(const EffectWindow *w) const;
|
|
bool shouldBlur(const EffectWindow *w, int mask, const WindowPaintData &data) const;
|
|
void updateBlurRegion(EffectWindow *w) const;
|
|
void drawRegion(const QRegion ®ion);
|
|
void doBlur(const QRegion &shape, const QRect &screen, const float opacity);
|
|
|
|
private:
|
|
BlurShader *shader;
|
|
QVector<QVector2D> vertices;
|
|
GLRenderTarget *target;
|
|
GLTexture *tex;
|
|
long net_wm_blur_region;
|
|
};
|
|
|
|
} // namespace KWin
|
|
|
|
#endif
|
|
|