diff options
| -rw-r--r-- | src/gui/effects/qgraphicseffect.cpp | 10 | ||||
| -rw-r--r-- | src/gui/effects/qgraphicseffect_p.h | 11 | ||||
| -rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 7 |
3 files changed, 22 insertions, 6 deletions
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp index 4f7ffc8..dafea52 100644 --- a/src/gui/effects/qgraphicseffect.cpp +++ b/src/gui/effects/qgraphicseffect.cpp @@ -374,10 +374,14 @@ QGraphicsEffectSourcePrivate::~QGraphicsEffectSourcePrivate() invalidateCache(); } -void QGraphicsEffectSourcePrivate::invalidateCache(bool effectRectChanged) const +void QGraphicsEffectSourcePrivate::invalidateCache(InvalidateReason reason) const { - if (effectRectChanged && m_cachedMode != QGraphicsEffect::PadToEffectiveBoundingRect) + if (m_cachedMode != QGraphicsEffect::PadToEffectiveBoundingRect + && (reason == EffectRectChanged + || reason == TransformChanged + && m_cachedSystem == Qt::LogicalCoordinates)) return; + QPixmapCache::remove(m_cacheKey); } @@ -523,7 +527,7 @@ void QGraphicsEffect::updateBoundingRect() Q_D(QGraphicsEffect); if (d->source) { d->source->d_func()->effectBoundingRectChanged(); - d->source->d_func()->invalidateCache(true); + d->source->d_func()->invalidateCache(QGraphicsEffectSourcePrivate::EffectRectChanged); } } diff --git a/src/gui/effects/qgraphicseffect_p.h b/src/gui/effects/qgraphicseffect_p.h index 0011eef..cab7a48 100644 --- a/src/gui/effects/qgraphicseffect_p.h +++ b/src/gui/effects/qgraphicseffect_p.h @@ -108,6 +108,13 @@ public: , m_cachedMode(QGraphicsEffect::PadToTransparentBorder) {} + enum InvalidateReason + { + TransformChanged, + EffectRectChanged, + SourceChanged + }; + virtual ~QGraphicsEffectSourcePrivate(); virtual void detach() = 0; virtual QRectF boundingRect(Qt::CoordinateSystem system) const = 0; @@ -121,7 +128,9 @@ public: virtual QPixmap pixmap(Qt::CoordinateSystem system, QPoint *offset = 0, QGraphicsEffect::PixmapPadMode mode = QGraphicsEffect::PadToTransparentBorder) const = 0; virtual void effectBoundingRectChanged() = 0; - void invalidateCache(bool effectRectChanged = false) const; + + void invalidateCache(InvalidateReason reason = SourceChanged) const; + Qt::CoordinateSystem currentCachedSystem() const { return m_cachedSystem; } friend class QGraphicsScenePrivate; friend class QGraphicsItem; diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index 2af90b8..ff3c1bb 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -4658,10 +4658,13 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * painter->setWorldTransform(*transformPtr); painter->setOpacity(opacity); - if (sourced->lastEffectTransform != painter->worldTransform()) { + if (sourced->currentCachedSystem() != Qt::LogicalCoordinates + && sourced->lastEffectTransform != painter->worldTransform()) + { sourced->lastEffectTransform = painter->worldTransform(); - sourced->invalidateCache(); + sourced->invalidateCache(QGraphicsEffectSourcePrivate::TransformChanged); } + item->d_ptr->graphicsEffect->draw(painter); painter->setWorldTransform(restoreTransform); sourced->info = 0; |