diff -r dee5afe5301f -r 3f74d0d4af4c tests/auto/qgraphicsview/tst_qgraphicsview.cpp --- a/tests/auto/qgraphicsview/tst_qgraphicsview.cpp Mon Mar 15 12:43:09 2010 +0200 +++ b/tests/auto/qgraphicsview/tst_qgraphicsview.cpp Thu Apr 08 14:19:33 2010 +0300 @@ -218,6 +218,8 @@ void update(); void inputMethodSensitivity(); void inputContextReset(); + void indirectPainting(); + void compositionModeInDrawBackground(); // task specific tests below me void task172231_untransformableItems(); @@ -3799,6 +3801,64 @@ QCOMPARE(inputContext.resets, 0); } +void tst_QGraphicsView::indirectPainting() +{ + class MyScene : public QGraphicsScene + { public: + MyScene() : QGraphicsScene(), drawCount(0) {} + void drawItems(QPainter *, int, QGraphicsItem **, const QStyleOptionGraphicsItem *, QWidget *) + { ++drawCount; } + int drawCount; + }; + + MyScene scene; + QGraphicsItem *item = scene.addRect(0, 0, 50, 50); + + QGraphicsView view(&scene); + view.setOptimizationFlag(QGraphicsView::IndirectPainting); + view.show(); + QTest::qWaitForWindowShown(&view); + QTest::qWait(100); + + scene.drawCount = 0; + item->setPos(20, 20); + QApplication::processEvents(); + 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;