diff options
Diffstat (limited to 'src/gui/graphicsview')
-rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 4 | ||||
-rw-r--r-- | src/gui/graphicsview/qgraphicsview.cpp | 4 |
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; |