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| author | Olivier Goffart <ogoffart@trolltech.com> | 2009-10-15 08:05:12 (GMT) |
|---|---|---|
| committer | Olivier Goffart <ogoffart@trolltech.com> | 2010-01-06 09:34:30 (GMT) |
| commit | 3062035b9b38457196869b93650929f95cbd709f (patch) | |
| tree | 60c5cd418a2ccb5945406b0c5b00dfa2ae8e727c /src/gui/graphicsview/qgraphicsview.cpp | |
| parent | b167c8b31c6da7b3eb5083396c447c679f1a591a (diff) | |
| download | Qt-3062035b9b38457196869b93650929f95cbd709f.zip Qt-3062035b9b38457196869b93650929f95cbd709f.tar.gz Qt-3062035b9b38457196869b93650929f95cbd709f.tar.bz2 | |
Document the QGraphicsView::IndirectPainting flag
And that the QGraphics{View,Scene}::drawItems function are now obsolete.
Reviewed-by: Alexis
Diffstat (limited to 'src/gui/graphicsview/qgraphicsview.cpp')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsview.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp index 1569078..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. */ /*! @@ -3616,6 +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, |