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Diffstat (limited to 'src/gui/graphicsview/qgraphicsscene.cpp')
-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp18
1 files changed, 14 insertions, 4 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 71a4f08..d9d31ef 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5306,6 +5306,16 @@ void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, b
}
}
+static inline bool updateHelper(QGraphicsViewPrivate *view, QGraphicsItemPrivate *item,
+ const QRectF &rect, const QTransform &xform)
+{
+ Q_ASSERT(view);
+ Q_ASSERT(item);
+ if (item->hasBoundingRegionGranularity)
+ return view->updateRegion(xform.map(QRegion(rect.toRect())));
+ return view->updateRect(xform.mapRect(rect).toRect());
+}
+
void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool dirtyAncestorContainsChildren,
qreal parentOpacity)
{
@@ -5401,14 +5411,14 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool
bool valid = false;
if (untransformableItem) {
- valid = item->d_ptr->updateHelper(viewPrivate, dirtyRect,
- item->deviceTransform(view->viewportTransform()));
+ valid = updateHelper(viewPrivate, item->d_ptr, dirtyRect,
+ item->deviceTransform(view->viewportTransform()));
} else if (!view->isTransformed()) {
- valid = item->d_ptr->updateHelper(viewPrivate, dirtyRect, item->d_ptr->sceneTransform);
+ valid = updateHelper(viewPrivate, item->d_ptr, dirtyRect, item->d_ptr->sceneTransform);
} else {
QTransform deviceTransform = item->d_ptr->sceneTransform;
deviceTransform *= view->viewportTransform();
- valid = !item->d_ptr->updateHelper(viewPrivate, dirtyRect, deviceTransform);
+ valid = updateHelper(viewPrivate, item->d_ptr, dirtyRect, deviceTransform);
}
if (!valid)
paintedViewBoundingRect = QRect();