diff options
| -rw-r--r-- | src/gui/effects/qgraphicseffect.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp index e181b18..78a18d3 100644 --- a/src/gui/effects/qgraphicseffect.cpp +++ b/src/gui/effects/qgraphicseffect.cpp @@ -210,7 +210,23 @@ const QStyleOption *QGraphicsEffectSource::styleOption() const */ void QGraphicsEffectSource::draw(QPainter *painter) { - d_func()->draw(painter); + Q_D(const QGraphicsEffectSource); + + QPixmap pm; + if (QPixmapCache::find(d->m_cacheKey, &pm)) { + QTransform restoreTransform; + if (d->m_cachedSystem == Qt::DeviceCoordinates) { + restoreTransform = painter->worldTransform(); + painter->setWorldTransform(QTransform()); + } + + painter->drawPixmap(d->m_cachedOffset, pm); + + if (d->m_cachedSystem == Qt::DeviceCoordinates) + painter->setWorldTransform(restoreTransform); + } else { + d_func()->draw(painter); + } } /*! |