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ShowPaint effect supports QPainter Compositing

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This commit is contained in:
Martin Gräßlin 2013-06-21 14:23:36 +02:00
parent 79358541ea
commit 3776160bb7
2 changed files with 14 additions and 0 deletions
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13
effects/showpaint/showpaint.cpp
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@ -31,6 +31,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <math.h> #include <math.h>
#include <qcolor.h> #include <qcolor.h>
#include <QPainter>
namespace KWin namespace KWin
{ {
@ -60,6 +61,9 @@ void ShowPaintEffect::paintScreen(int mask, QRegion region, ScreenPaintData& dat
if (effects->compositingType() == XRenderCompositing) if (effects->compositingType() == XRenderCompositing)
paintXrender(); paintXrender();
#endif #endif
if (effects->compositingType() == QPainterCompositing) {
paintQPainter();
}
if (++color_index == sizeof(colors) / sizeof(colors[ 0 ])) if (++color_index == sizeof(colors) / sizeof(colors[ 0 ]))
color_index = 0; color_index = 0;
} }
@ -115,4 +119,13 @@ void ShowPaintEffect::paintXrender()
#endif #endif
} }
void ShowPaintEffect::paintQPainter()
{
QColor color = colors[ color_index ];
color.setAlphaF(0.2);
foreach (const QRect & r, painted.rects()) {
effects->scenePainter()->fillRect(r, color);
}
}
} // namespace } // namespace

1
effects/showpaint/showpaint.h
View file

@ -37,6 +37,7 @@ public:
private: private:
void paintGL(); void paintGL();
void paintXrender(); void paintXrender();
void paintQPainter();
QRegion painted; // what's painted in one pass QRegion painted; // what's painted in one pass
int color_index; int color_index;
}; };