diff options
Diffstat (limited to 'tests/auto/gui/painting/qpainter/tst_qpainter.cpp')
-rw-r--r-- | tests/auto/gui/painting/qpainter/tst_qpainter.cpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp index 91c06ab0b2..e4340451ce 100644 --- a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp +++ b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp @@ -202,6 +202,9 @@ private slots: void linearGradientSymmetry(); void gradientInterpolation(); + void gradientPixelFormat_data(); + void gradientPixelFormat(); + void fpe_pixmapTransform(); void fpe_zeroLengthLines(); void fpe_divByZero(); @@ -3727,6 +3730,49 @@ void tst_QPainter::linearGradientSymmetry() QCOMPARE(a, b); } +void tst_QPainter::gradientPixelFormat_data() +{ + QTest::addColumn<QImage::Format>("format"); + + QTest::newRow("argb32") << QImage::Format_ARGB32; + QTest::newRow("rgb32") << QImage::Format_RGB32; + QTest::newRow("rgb888") << QImage::Format_RGB888; + QTest::newRow("rgbx8888") << QImage::Format_RGBX8888; + QTest::newRow("rgba8888") << QImage::Format_RGBA8888; + QTest::newRow("rgba8888_pm") << QImage::Format_RGBA8888_Premultiplied; +} + +void tst_QPainter::gradientPixelFormat() +{ + QFETCH(QImage::Format, format); + + QImage a(8, 64, QImage::Format_ARGB32_Premultiplied); + QImage b(8, 64, format); + + + QGradientStops stops; + stops << qMakePair(qreal(0.0), QColor(Qt::blue)); + stops << qMakePair(qreal(0.3), QColor(Qt::red)); + stops << qMakePair(qreal(0.6), QColor(Qt::green)); + stops << qMakePair(qreal(1.0), QColor(Qt::black)); + + a.fill(0); + b.fill(0); + + QLinearGradient gradient(QRectF(b.rect()).topLeft(), QRectF(b.rect()).bottomLeft()); + gradient.setStops(stops); + + QPainter pa(&a); + pa.fillRect(a.rect(), gradient); + pa.end(); + + QPainter pb(&b); + pb.fillRect(b.rect(), gradient); + pb.end(); + + QCOMPARE(a, b.convertToFormat(QImage::Format_ARGB32_Premultiplied)); +} + void tst_QPainter::gradientInterpolation() { QImage image(256, 8, QImage::Format_ARGB32_Premultiplied); |