diff options
| -rw-r--r-- | src/gui/effects/qgraphicseffect.cpp | 9 | ||||
| -rw-r--r-- | src/gui/effects/qgraphicseffect_p.h | 2 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp index 3a6bab5..c8e39da 100644 --- a/src/gui/effects/qgraphicseffect.cpp +++ b/src/gui/effects/qgraphicseffect.cpp @@ -279,6 +279,13 @@ QPixmap QGraphicsEffectSource::pixmap(Qt::CoordinateSystem system, QPoint *offse return pm; } +void QGraphicsEffectSourcePrivate::invalidateCache(bool effectRectChanged) const +{ + if (effectRectChanged && m_cachedMode != QGraphicsEffectSource::ExpandToEffectRectPadMode) + return; + QPixmapCache::remove(m_cacheKey); +} + /*! Constructs a new QGraphicsEffect instance having the specified \a parent. @@ -418,7 +425,7 @@ void QGraphicsEffect::updateBoundingRect() Q_D(QGraphicsEffect); if (d->source) { d->source->d_func()->effectBoundingRectChanged(); - d->source->d_func()->invalidateCache(); + d->source->d_func()->invalidateCache(true); } } diff --git a/src/gui/effects/qgraphicseffect_p.h b/src/gui/effects/qgraphicseffect_p.h index 1ed7103..0ff5794 100644 --- a/src/gui/effects/qgraphicseffect_p.h +++ b/src/gui/effects/qgraphicseffect_p.h @@ -85,7 +85,7 @@ public: virtual QPixmap pixmap(Qt::CoordinateSystem system, QPoint *offset = 0, QGraphicsEffectSource::PixmapPadMode mode = QGraphicsEffectSource::ExpandToTransparentBorderPadMode) const = 0; virtual void effectBoundingRectChanged() = 0; - void invalidateCache() const { QPixmapCache::remove(m_cacheKey); } + void invalidateCache(bool effectRectChanged = false) const; friend class QGraphicsScenePrivate; friend class QGraphicsItem; |