summaryrefslogtreecommitdiffstats
path: root/src/gui/graphicsview
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/graphicsview')
-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp4
-rw-r--r--src/gui/graphicsview/qgraphicsview.cpp4
2 files changed, 6 insertions, 2 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index a98ce6f..3c23884 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5126,7 +5126,9 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool
q->update(itemBoundingRect.translated(item->d_ptr->sceneTransform.dx(),
item->d_ptr->sceneTransform.dy()));
} else {
- q->update(item->d_ptr->sceneTransform.mapRect(itemBoundingRect));
+ QRectF rect = item->d_ptr->sceneTransform.mapRect(itemBoundingRect);
+ if (!rect.isEmpty())
+ q->update(rect);
}
} else {
QRectF dirtyRect;
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp
index 0674610..c8aca80 100644
--- a/src/gui/graphicsview/qgraphicsview.cpp
+++ b/src/gui/graphicsview/qgraphicsview.cpp
@@ -2596,9 +2596,11 @@ void QGraphicsView::updateScene(const QList<QRectF> &rects)
// Convert scene rects to viewport rects.
foreach (const QRectF &rect, rects) {
- QRect xrect = transform.mapRect(rect).toRect();
+ QRect xrect = transform.mapRect(rect).toAlignedRect();
if (!(d->optimizationFlags & DontAdjustForAntialiasing))
xrect.adjust(-2, -2, 2, 2);
+ else
+ xrect.adjust(-1, -1, 1, 1);
if (!viewportRect.intersects(xrect))
continue;
dirtyViewportRects << xrect;