diff options
Diffstat (limited to 'src/gui/graphicsview/qgraphicsview.cpp')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsview.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp index 3bb40fb..c8f2c7c 100644 --- a/src/gui/graphicsview/qgraphicsview.cpp +++ b/src/gui/graphicsview/qgraphicsview.cpp @@ -217,7 +217,9 @@ static const int QGRAPHICSVIEW_PREALLOC_STYLE_OPTIONS = 503; // largest prime < common side effect is that items that do draw with antialiasing can leave painting traces behind on the scene as they are moved. - \omitvalue IndirectPainting + \value IndirectPainting Since Qt 4.6, restore the old painting algorithm + that calls QGraphicsView::drawItems() and QGraphicsScene::drawItems(). + To be used only for compatibility with old code. */ /*! @@ -3365,7 +3367,8 @@ void QGraphicsView::paintEvent(QPaintEvent *event) #define X11 qt_x11Data #endif backgroundPainter.setCompositionMode(QPainter::CompositionMode_Source); - drawBackground(&backgroundPainter, exposedSceneRect); + QRectF backgroundExposedSceneRect = mapToScene(d->backgroundPixmapExposed.boundingRect()).boundingRect(); + drawBackground(&backgroundPainter, backgroundExposedSceneRect); d->backgroundPixmapExposed = QRegion(); } @@ -3615,6 +3618,10 @@ void QGraphicsView::drawForeground(QPainter *painter, const QRectF &rect) The default implementation calls the scene's drawItems() function. + \obsolete Since Qt 4.6, this function is not called anymore unless + the QGraphicsView::IndirectPainting flag is given as an Optimization + flag. + \sa drawForeground(), drawBackground(), QGraphicsScene::drawItems() */ void QGraphicsView::drawItems(QPainter *painter, int numItems, |