diff options
Diffstat (limited to 'tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp')
| -rw-r--r-- | tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp b/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp index 38abc3d..c5e57f7 100644 --- a/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp +++ b/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp @@ -280,6 +280,7 @@ private slots: void task160653_selectionChanged(); void task250680_childClip(); void taskQTBUG_5904_crashWithDeviceCoordinateCache(); + void taskQT657_paintIntoCacheWithTransparentParts(); }; void tst_QGraphicsScene::initTestCase() @@ -1462,6 +1463,7 @@ void tst_QGraphicsScene::focusItemLostFocus() class ClearTestItem : public QGraphicsRectItem { public: + ClearTestItem(QGraphicsItem *parent = 0) : QGraphicsRectItem(parent) {} ~ClearTestItem() { qDeleteAll(items); } QList<QGraphicsItem *> items; }; @@ -1486,6 +1488,11 @@ void tst_QGraphicsScene::clear() scene.addItem(secondItem); QCOMPARE(scene.items().at(0), firstItem); QCOMPARE(scene.items().at(1), secondItem); + + ClearTestItem *thirdItem = new ClearTestItem(firstItem); + QGraphicsItem *forthItem = new QGraphicsRectItem(firstItem); + thirdItem->items += forthItem; + // must not crash even if firstItem deletes secondItem scene.clear(); QVERIFY(scene.items().isEmpty()); @@ -4264,5 +4271,43 @@ void tst_QGraphicsScene::taskQTBUG_5904_crashWithDeviceCoordinateCache() // No crash, then it passed! } +void tst_QGraphicsScene::taskQT657_paintIntoCacheWithTransparentParts() +{ + QWidget *w = new QWidget(); + w->setPalette(Qt::blue); + w->setGeometry(0, 0, 50, 50); + + QGraphicsScene *scene = new QGraphicsScene(); + QGraphicsView *view = new QGraphicsView(scene); + + QGraphicsProxyWidget *proxy = scene->addWidget(w); + proxy->setCacheMode(QGraphicsItem::DeviceCoordinateCache); + proxy->rotate(15); + + view->show(); + QTest::qWaitForWindowShown(view); + w->update(10,10,10,10); + QTest::qWait(50); + + QPixmap pix; + QGraphicsItemPrivate* itemp = QGraphicsItemPrivate::get(proxy); + QPixmapCache::Key key = itemp->extraItemCache()->deviceData.value(view->viewport()).key; + QVERIFY(QPixmapCache::find(key, &pix)); + + QTransform t = proxy->sceneTransform(); + // Map from scene coordinates to pixmap coordinates. + // X origin in the pixmap is the most-left point + // of the item's boundingRect in the scene. + qreal adjust = t.mapRect(proxy->boundingRect().toRect()).left(); + QRect rect = t.mapRect(QRect(10, 10, 10, 10)).adjusted(-adjust, 0, -adjust + 1, 1); + QPixmap subpix = pix.copy(rect); + + QImage im = subpix.toImage(); + for(int i = 0; i < im.width(); i++) { + for(int j = 0; j < im.height(); j++) + QCOMPARE(qAlpha(im.pixel(i, j)), 255); + } +} + QTEST_MAIN(tst_QGraphicsScene) #include "tst_qgraphicsscene.moc" |