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Don't crop away the decoration shadows in the lanczos filter.

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svn path=/trunk/KDE/kdebase/workspace/; revision=1160557
This commit is contained in:
Martin Gräßlin 2010-08-08 09:59:03 +00:00
parent 37be26fdf6
commit f359d19a90
1 changed files with 22 additions and 8 deletions
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30
lanczosfilter.cpp
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@ -184,19 +184,33 @@ void LanczosFilter::performPaint( EffectWindowImpl* w, int mask, QRegion region,
init();
if ( m_shader )
{
int tx = data.xTranslate + w->x();
int ty = data.yTranslate + w->y();
int tw = w->width()*data.xScale;
int th = w->height()*data.yScale;
double left = 0;
double top = 0;
double right = w->width();
double bottom = w->height();
foreach( const WindowQuad& quad, data.quads )
{
// we need this loop to include the decoration padding
left = qMin(left, quad.left());
top = qMin(top, quad.top());
right = qMax(right, quad.right());
bottom = qMax(bottom, quad.bottom());
}
double width = right - left;
double height = bottom - top;
int tx = data.xTranslate + w->x() + left*data.xScale;
int ty = data.yTranslate + w->y() + top*data.yScale;
int tw = width*data.xScale;
int th = height*data.yScale;
int sw = w->width();
int sh = w->height();
int sw = width;
int sh = height;
WindowPaintData thumbData = data;
thumbData.xScale = 1.0;
thumbData.yScale = 1.0;
thumbData.xTranslate = -w->x();
thumbData.yTranslate = -w->y();
thumbData.xTranslate = -w->x() - left;
thumbData.yTranslate = -w->y() - top;
// Bind the offscreen FBO and draw the window on it unscaled
updateOffscreenSurfaces();