diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/auto/gui/image/qimage/tst_qimage.cpp | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp index 254428958e..f7a672ad18 100644 --- a/tests/auto/gui/image/qimage/tst_qimage.cpp +++ b/tests/auto/gui/image/qimage/tst_qimage.cpp @@ -158,7 +158,10 @@ private slots: void inplaceMirrored_data(); void inplaceMirrored(); - void inplaceDoubleConversion(); + void inplaceRgbMirrored(); + + void inplaceConversion_data(); + void inplaceConversion(); void deepCopyWhenPaintingActive(); void scaled_QTBUG19157(); @@ -2342,7 +2345,7 @@ void tst_QImage::inplaceMirrored() #endif } -void tst_QImage::inplaceDoubleConversion() +void tst_QImage::inplaceRgbMirrored() { #if defined(Q_COMPILER_REF_QUALIFIERS) QImage image1(32, 32, QImage::Format_ARGB32); @@ -2357,6 +2360,47 @@ void tst_QImage::inplaceDoubleConversion() #endif } +void tst_QImage::inplaceConversion_data() +{ + QTest::addColumn<QImage::Format>("format"); + QTest::addColumn<QImage::Format>("dest_format"); + + QTest::newRow("Format_ARGB32 -> Format_RGBA8888") << QImage::Format_ARGB32 << QImage::Format_RGBA8888; + QTest::newRow("Format_RGB888 -> Format_ARGB6666_Premultiplied") << QImage::Format_RGB888 << QImage::Format_ARGB6666_Premultiplied; + QTest::newRow("Format_RGB16 -> Format_RGB555") << QImage::Format_RGB16 << QImage::Format_RGB555; + QTest::newRow("Format_RGB666 -> Format_RGB888") << QImage::Format_RGB666 << QImage::Format_RGB888; + QTest::newRow("Format_ARGB8565_Premultiplied, Format_ARGB8555_Premultiplied") << QImage::Format_ARGB8565_Premultiplied << QImage::Format_ARGB8555_Premultiplied; + QTest::newRow("Format_ARGB4444_Premultiplied, Format_RGB444") << QImage::Format_ARGB4444_Premultiplied << QImage::Format_RGB444; +} + +void tst_QImage::inplaceConversion() +{ + // Test that conversions between RGB formats of the same bitwidth can be done inplace. +#if defined(Q_COMPILER_REF_QUALIFIERS) + QFETCH(QImage::Format, format); + QFETCH(QImage::Format, dest_format); + + QImage image(16, 16, format); + + for (int i = 0; i < image.height(); ++i) + for (int j = 0; j < image.width(); ++j) + image.setPixel(j, i, qRgb(j*16, i*16, 0)); + + const uchar* originalPtr = image.constScanLine(0); + + QImage imageConverted = std::move(image).convertToFormat(dest_format); + for (int i = 0; i < imageConverted.height(); ++i) { + for (int j = 0; j < imageConverted.width(); ++j) { + QRgb convertedColor = imageConverted.pixel(j,i); + QCOMPARE(qRed(convertedColor) & 0xF0, j * 16); + QCOMPARE(qGreen(convertedColor) & 0xF0, i * 16); + } + } + + QCOMPARE(imageConverted.constScanLine(0), originalPtr); +#endif +} + void tst_QImage::deepCopyWhenPaintingActive() { QImage image(64, 64, QImage::Format_ARGB32_Premultiplied); |