Add simple autotest for QGraphicsColorizeEffect.

Reviewed-by: Bjørn Erik Nilsen

1 files changed, 25 insertions, 0 deletions

diff --git a/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp b/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp
index c0d23eb..5363fd6 100644
--- a/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp
+++ b/tests/auto/qgraphicseffect/tst_qgraphicseffect.cpp
@@ -64,6 +64,7 @@ private slots:
     void draw();
     void opacity();
     void grayscale();
+    void colorize();
 };
 
 void tst_QGraphicsEffect::initTestCase()
@@ -389,6 +390,30 @@ void tst_QGraphicsEffect::grayscale()
     QCOMPARE(image.pixel(10, 10), qRgb(148, 148, 148));
 }
 
+void tst_QGraphicsEffect::colorize()
+{
+    QGraphicsScene scene(0, 0, 100, 100);
+
+    QGraphicsRectItem *item = scene.addRect(0, 0, 50, 50);
+    item->setPen(Qt::NoPen);
+    item->setBrush(QColor(122, 193, 66)); // Qt light green
+
+    QGraphicsColorizeEffect *effect = new QGraphicsColorizeEffect;
+    effect->setColor(QColor(102, 153, 51)); // Qt dark green
+    item->setGraphicsEffect(effect);
+
+    QPainter painter;
+    QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
+
+    image.fill(0);
+    painter.begin(&image);
+    painter.setRenderHint(QPainter::Antialiasing);
+    scene.render(&painter);
+    painter.end();
+
+    QCOMPARE(image.pixel(10, 10), qRgb(191, 212, 169));
+}
+
 QTEST_MAIN(tst_QGraphicsEffect)
 #include "tst_qgraphicseffect.moc"