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| author | Bjørn Erik Nilsen <bjorn.nilsen@nokia.com> | 2009-08-03 08:12:09 (GMT) |
|---|---|---|
| committer | Bjørn Erik Nilsen <bjorn.nilsen@nokia.com> | 2009-08-03 08:12:09 (GMT) |
| commit | 3fcc03fb2d4b629fb7f0a72a6aa45916086c6d06 (patch) | |
| tree | c533d221eb71ebbab9489c2c8d7dae5bc5b63799 /src/gui | |
| parent | 2c277a362ff1961a4ffefe6f0787efbe40ebce1b (diff) | |
| download | Qt-3fcc03fb2d4b629fb7f0a72a6aa45916086c6d06.zip Qt-3fcc03fb2d4b629fb7f0a72a6aa45916086c6d06.tar.gz Qt-3fcc03fb2d4b629fb7f0a72a6aa45916086c6d06.tar.bz2 | |
Avoid painting on a null pixmap in QGraphicsShadowEffect.
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/graphicsview/qgraphicseffect.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/graphicsview/qgraphicseffect.cpp b/src/gui/graphicsview/qgraphicseffect.cpp index 37e3d8c..17506bc 100644 --- a/src/gui/graphicsview/qgraphicseffect.cpp +++ b/src/gui/graphicsview/qgraphicseffect.cpp @@ -726,6 +726,8 @@ void QGraphicsShadowEffect::draw(QPainter *painter, QGraphicsEffectSource *sourc // Clip to device rect to avoid huge pixmaps. effectRect &= source->deviceRect(); effectRect |= effectRect.translated(-shadowOffset); + if (effectRect.isEmpty()) + return; // nothing to paint; } QPixmap pixmap(effectRect.size()); |