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| author | Joni Poikelin <joni.poikelin@qt.io> | 2023-10-16 12:44:03 +0300 |
|---|---|---|
| committer | Joni Poikelin <joni.poikelin@qt.io> | 2023-10-26 07:48:02 +0300 |
| commit | 799bfe94e8c17c0ff890c45b22d670d3bc8778c9 (patch) | |
| tree | 169ae73933557cb8da7c25acc393961170a5ed37 /tests/auto/gui | |
| parent | c5d9e4a7a78b82ed31e5225c169de4718dfe4f05 (diff) | |
Fix smooth scaling of Format_Mono and Format_MonoLSB
Fixes: QTBUG-117713
Pick-to: 6.6 6.5 6.2
Change-Id: I2fb071a4d2229da50dfacb0a92c51c3e4ea57a74
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'tests/auto/gui')
| -rw-r--r-- | tests/auto/gui/image/qimage/tst_qimage.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp index 2d1137bd09..fd155fbf1c 100644 --- a/tests/auto/gui/image/qimage/tst_qimage.cpp +++ b/tests/auto/gui/image/qimage/tst_qimage.cpp @@ -108,6 +108,8 @@ private slots: void smoothScaleAlpha(); void smoothScaleFormats_data(); void smoothScaleFormats(); + void smoothScaleNoConversion_data(); + void smoothScaleNoConversion(); void transformed_data(); void transformed(); @@ -2058,6 +2060,24 @@ void tst_QImage::smoothScaleFormats() QVERIFY(rotated.hasAlphaChannel()); } +void tst_QImage::smoothScaleNoConversion_data() +{ + QTest::addColumn<QImage::Format>("format"); + QTest::addRow("Mono") << QImage::Format_Mono; + QTest::addRow("MonoLSB") << QImage::Format_MonoLSB; + QTest::addRow("Indexed8") << QImage::Format_Indexed8; +} + +void tst_QImage::smoothScaleNoConversion() +{ + QFETCH(QImage::Format, format); + QImage img(128, 128, format); + img.fill(1); + img.setColorTable(QList<QRgb>() << qRgba(255,0,0,255) << qRgba(0,0,0,0)); + img = img.scaled(QSize(48, 48), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); + QVERIFY(img.hasAlphaChannel()); +} + static int count(const QImage &img, int x, int y, int dx, int dy, QRgb pixel) { int i = 0; |