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author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-12-19 15:00:15 +0100 |
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committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-12-19 16:16:50 +0100 |
commit | 6227a0d2e2e924cf717fa2a3d7c3e1223c4aed5f (patch) | |
tree | 09871d6e201ef05622f455f1b4a236958b16de00 /tests | |
parent | 09f19e48ac2a34ea2df9d19267599e05d64d45c6 (diff) |
Add test for invertPixels on indexed formats
It wasn't tested and behaves in a very particular way.
Change-Id: I60a31681e5b221cf9a86df77e410a76ee4c10864
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'tests')
-rw-r--r-- | tests/auto/gui/image/qimage/tst_qimage.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp index e9aa9aad30..bc964e0d5c 100644 --- a/tests/auto/gui/image/qimage/tst_qimage.cpp +++ b/tests/auto/gui/image/qimage/tst_qimage.cpp @@ -191,6 +191,8 @@ private slots: void invertPixelsRGB_data(); void invertPixelsRGB(); + void invertPixelsIndexed(); + void exifOrientation_data(); void exifOrientation(); @@ -3086,6 +3088,36 @@ void tst_QImage::invertPixelsRGB() QCOMPARE(qBlue(pixel) >> 4, (255 - 96) >> 4); } +void tst_QImage::invertPixelsIndexed() +{ + { + QImage image(1, 1, QImage::Format_Mono); + image.fill(Qt::color1); + image.invertPixels(); + QCOMPARE(image.pixelIndex(0, 0), 0); + } + { + QImage image(1, 1, QImage::Format_MonoLSB); + image.fill(Qt::color0); + image.invertPixels(); + QCOMPARE(image.pixelIndex(0, 0), 1); + } + { + QImage image(1, 1, QImage::Format_Indexed8); + image.setColorTable({0xff000000, 0xffffffff}); + image.fill(Qt::black); + image.invertPixels(); + QCOMPARE(image.pixelIndex(0, 0), 255); + } + { + QImage image(1, 1, QImage::Format_Indexed8); + image.setColorTable({0xff000000, 0xffffffff, 0x80000000, 0x80ffffff, 0x00000000}); + image.fill(Qt::white); + image.invertPixels(); + QCOMPARE(image.pixelIndex(0, 0), 254); + } +} + void tst_QImage::exifOrientation_data() { QTest::addColumn<QString>("fileName"); |