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authorSamuel Rødal <sroedal@trolltech.com>2009-12-07 09:06:12 (GMT)
committerSamuel Rødal <sroedal@trolltech.com>2009-12-14 14:18:35 (GMT)
commitbe525c78c8ac44e7c188a45a4e04a1d80ad9ba51 (patch)
tree72d8d1976cd8a74aafa4d92fb237141183b8d73f /tests/auto/qgraphicseffect
parent693ad0f9ca5ee424dc1e3c7aca88adb4915f5cdc (diff)
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Optimize QGraphicsItemEffectSourcePrivate::pixmap() for QGraphicsPixmapItems.
Even for DeviceCoordinate mode we can return the raw pixmap if the graphics item size is untransformed. Reviewed-by: Bjørn Erik Nilsen
Diffstat (limited to 'tests/auto/qgraphicseffect')
-rw-r--r--tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp49
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp b/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp
index 259df4d..69fc118 100644
--- a/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp
+++ b/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp
@@ -69,6 +69,7 @@ private slots:
void opacity();
void grayscale();
void colorize();
+ void drawPixmapItem();
};
void tst_QGraphicsEffect::initTestCase()
@@ -465,6 +466,54 @@ void tst_QGraphicsEffect::colorize()
QCOMPARE(image.pixel(10, 10), qRgb(122, 193, 66));
}
+class PixmapItemEffect : public QGraphicsEffect
+{
+public:
+ PixmapItemEffect(const QPixmap &source)
+ : QGraphicsEffect()
+ , pixmap(source)
+ , repaints(0)
+ {}
+
+ QRectF boundingRectFor(const QRectF &rect) const
+ { return rect; }
+
+ void draw(QPainter *painter)
+ {
+ QVERIFY(sourcePixmap(Qt::LogicalCoordinates).pixmapData() == pixmap.pixmapData());
+ QVERIFY((painter->worldTransform().type() <= QTransform::TxTranslate) == (sourcePixmap(Qt::DeviceCoordinates).pixmapData() == pixmap.pixmapData()));
+
+ ++repaints;
+ }
+ QPixmap pixmap;
+ int repaints;
+};
+
+void tst_QGraphicsEffect::drawPixmapItem()
+{
+ QImage image(32, 32, QImage::Format_RGB32);
+ QPainter p(&image);
+ p.fillRect(0, 0, 32, 16, Qt::blue);
+ p.fillRect(0, 16, 32, 16, Qt::red);
+ p.end();
+
+ QGraphicsScene scene;
+ QGraphicsPixmapItem *item = new QGraphicsPixmapItem(QPixmap::fromImage(image));
+ scene.addItem(item);
+
+ PixmapItemEffect *effect = new PixmapItemEffect(item->pixmap());
+ item->setGraphicsEffect(effect);
+
+ QGraphicsView view(&scene);
+ view.show();
+ QTest::qWaitForWindowShown(&view);
+
+ item->rotate(180);
+ QTest::qWait(50);
+
+ QTRY_VERIFY(effect->repaints >= 2);
+}
+
QTEST_MAIN(tst_QGraphicsEffect)
#include "tst_qgraphicseffect.moc"