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effects/backgroundcontrast: Fix backgroundcontrast stripes when rounded window scaling

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Mouse Zhang 2022-10-21 17:55:27 +08:00 committed by Vlad Zahorodnii
parent 8468eeafdd
commit fcaf0cad9e
1 changed files with 3 additions and 2 deletions
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5
src/effects/backgroundcontrast/contrast.cpp
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@ -18,6 +18,7 @@
#include <QMatrix4x4>
#include <QTimer>
#include <QWindow>
#include <cmath> // for ceil()
namespace KWin
{
@ -381,8 +382,8 @@ void ContrastEffect::drawWindow(EffectWindow *w, int mask, const QRegion &region
for (QRect r : shape) {
r.moveTo(pt.x() + (r.x() - pt.x()) * data.xScale() + data.xTranslation(),
pt.y() + (r.y() - pt.y()) * data.yScale() + data.yTranslation());
r.setWidth(r.width() * data.xScale());
r.setHeight(r.height() * data.yScale());
r.setWidth(std::ceil(r.width() * data.xScale()));
r.setHeight(std::ceil(r.height() * data.yScale()));
scaledShape |= r;
}
shape = scaledShape & region;