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-rw-r--r--tests/auto/qgraphicsview/tst_qgraphicsview.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp
index c77f76d..1c19fab 100644
--- a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp
+++ b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp
@@ -219,6 +219,7 @@ private slots:
void inputMethodSensitivity();
void inputContextReset();
void indirectPainting();
+ void compositionModeInDrawBackground();
// task specific tests below me
void task172231_untransformableItems();
@@ -3825,6 +3826,39 @@ void tst_QGraphicsView::indirectPainting()
QTRY_VERIFY(scene.drawCount > 0);
}
+void tst_QGraphicsView::compositionModeInDrawBackground()
+{
+ class MyView : public QGraphicsView
+ { public:
+ MyView(QGraphicsScene *scene) : QGraphicsView(scene),
+ painted(false), compositionMode(QPainter::CompositionMode_SourceOver) {}
+ bool painted;
+ QPainter::CompositionMode compositionMode;
+ void drawBackground(QPainter *painter, const QRectF &)
+ {
+ compositionMode = painter->compositionMode();
+ painted = true;
+ }
+ };
+
+ QGraphicsScene dummy;
+ MyView view(&dummy);
+ view.show();
+ QTest::qWaitForWindowShown(&view);
+
+ // Make sure the painter's composition mode is SourceOver in drawBackground.
+ QTRY_VERIFY(view.painted);
+ QCOMPARE(view.compositionMode, QPainter::CompositionMode_SourceOver);
+
+ view.painted = false;
+ view.setCacheMode(QGraphicsView::CacheBackground);
+ view.viewport()->update();
+
+ // Make sure the painter's composition mode is SourceOver in drawBackground
+ // with background cache enabled.
+ QTRY_VERIFY(view.painted);
+ QCOMPARE(view.compositionMode, QPainter::CompositionMode_SourceOver);
+}
void tst_QGraphicsView::task253415_reconnectUpdateSceneOnSceneChanged()
{
QGraphicsView view;