diff options
| -rw-r--r-- | src/gui/graphicsview/qgraphicsview.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp index 9b0e12d..aa5f069 100644 --- a/src/gui/graphicsview/qgraphicsview.cpp +++ b/src/gui/graphicsview/qgraphicsview.cpp @@ -928,6 +928,9 @@ void QGraphicsViewPrivate::updateAll() void QGraphicsViewPrivate::updateRegion(const QRegion &r) { + if (r.isEmpty()) + return; + Q_Q(QGraphicsView); // Rect intersects viewport - update everything? @@ -976,6 +979,9 @@ void QGraphicsViewPrivate::updateRegion(const QRegion &r) void QGraphicsViewPrivate::updateRect(const QRect &r) { + if (r.isEmpty()) + return; + Q_Q(QGraphicsView); // Rect intersects viewport - update everything? |