diff options
Diffstat (limited to 'tests/auto/gui/image/qimage/tst_qimage.cpp')
| -rw-r--r-- | tests/auto/gui/image/qimage/tst_qimage.cpp | 226 |
1 files changed, 217 insertions, 9 deletions
diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp index 415f016519..3e3d0a49bc 100644 --- a/tests/auto/gui/image/qimage/tst_qimage.cpp +++ b/tests/auto/gui/image/qimage/tst_qimage.cpp @@ -1,5 +1,5 @@ // Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #include <QTest> @@ -108,6 +108,8 @@ private slots: void smoothScaleAlpha(); void smoothScaleFormats_data(); void smoothScaleFormats(); + void smoothScaleNoConversion_data(); + void smoothScaleNoConversion(); void transformed_data(); void transformed(); @@ -167,6 +169,11 @@ private slots: void largeInplaceRgbConversion_data(); void largeInplaceRgbConversion(); + void colorSpaceRgbConversion_data(); + void colorSpaceRgbConversion(); + void colorSpaceCmykConversion_data(); + void colorSpaceCmykConversion(); + void deepCopyWhenPaintingActive(); void scaled_QTBUG19157(); @@ -229,6 +236,7 @@ private slots: void largeRasterScale(); void metadataChangeWithReadOnlyPixels(); + void scaleIndexed(); #if defined(Q_OS_WIN) void toWinHBITMAP_data(); @@ -236,6 +244,9 @@ private slots: void fromMonoHBITMAP(); #endif // Q_OS_WIN + void tofromPremultipliedFormat_data(); + void tofromPremultipliedFormat(); + private: const QString m_prefix; }; @@ -315,7 +326,9 @@ static QLatin1String formatToString(QImage::Format format) return QLatin1String("RGBA32FPx4"); case QImage::Format_RGBA32FPx4_Premultiplied: return QLatin1String("RGBA32FPx4pm"); - default: + case QImage::Format_CMYK8888: + return QLatin1String("CMYK8888"); + case QImage::NImageFormats: break; }; Q_UNREACHABLE(); @@ -1133,10 +1146,9 @@ void tst_QImage::rotate_data() QTest::addColumn<QImage::Format>("format"); QTest::addColumn<int>("degrees"); - QList<int> degrees; - degrees << 0 << 90 << 180 << 270; + constexpr int degrees[] = {0, 90, 180, 270}; - foreach (int d, degrees) { + for (int d : degrees) { const QString dB = QString::number(d); for (int i = QImage::Format_Indexed8; i < QImage::NImageFormats; i++) { QImage::Format format = static_cast<QImage::Format>(i); @@ -1502,6 +1514,8 @@ void tst_QImage::setPixelWithAlpha_data() continue; if (c == QImage::Format_Alpha8) continue; + if (c == QImage::Format_CMYK8888) + continue; QTest::newRow(qPrintable(formatToString(QImage::Format(c)))) << QImage::Format(c); } } @@ -2059,6 +2073,24 @@ 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; @@ -2545,7 +2577,8 @@ void tst_QImage::rgbSwapped_data() for (int i = QImage::Format_Indexed8; i < QImage::NImageFormats; ++i) { if (i == QImage::Format_Alpha8 || i == QImage::Format_Grayscale8 - || i == QImage::Format_Grayscale16) { + || i == QImage::Format_Grayscale16 + || i == QImage::Format_CMYK8888) { continue; } QTest::addRow("%s", formatToString(QImage::Format(i)).data()) << QImage::Format(i); @@ -3027,13 +3060,15 @@ void tst_QImage::inplaceRgbConversion_data() for (int i = QImage::Format_RGB32; i < QImage::NImageFormats; ++i) { if (i == QImage::Format_Alpha8 || i == QImage::Format_Grayscale8 - || i == QImage::Format_Grayscale16) { + || i == QImage::Format_Grayscale16 + || i == QImage::Format_CMYK8888) { continue; } for (int j = QImage::Format_RGB32; j < QImage::NImageFormats; ++j) { if (j == QImage::Format_Alpha8 || j == QImage::Format_Grayscale8 - || j == QImage::Format_Grayscale16) { + || j == QImage::Format_Grayscale16 + || j == QImage::Format_CMYK8888) { continue; } if (i == j) @@ -3214,6 +3249,144 @@ void tst_QImage::largeInplaceRgbConversion() } } +void tst_QImage::colorSpaceRgbConversion_data() +{ + QTest::addColumn<QImage::Format>("fromFormat"); + QTest::addColumn<QImage::Format>("toFormat"); + + // The various possible code paths for color space conversions compatible with RGB color spaces: + QImage::Format formats[] = { + QImage::Format_RGB32, + QImage::Format_ARGB32, + QImage::Format_ARGB32_Premultiplied, + QImage::Format_RGBX64, + QImage::Format_RGBA64, + QImage::Format_RGBA64_Premultiplied, + QImage::Format_RGBX32FPx4, + QImage::Format_RGBA32FPx4, + QImage::Format_RGBA32FPx4_Premultiplied, + QImage::Format_Grayscale8, + QImage::Format_Grayscale16, + }; + + for (auto fromFormat : formats) { + const QLatin1String formatI = formatToString(fromFormat); + for (auto toFormat : formats) { + QTest::addRow("%s -> %s", formatI.data(), formatToString(toFormat).data()) + << fromFormat << toFormat; + } + } +} + +void tst_QImage::colorSpaceRgbConversion() +{ + // Test that all color space conversions work + QFETCH(QImage::Format, fromFormat); + QFETCH(QImage::Format, toFormat); + + bool srcGrayscale = fromFormat == QImage::Format_Grayscale8 || fromFormat == QImage::Format_Grayscale16; + bool dstGrayscale = toFormat == QImage::Format_Grayscale8 || toFormat == QImage::Format_Grayscale16; + + QImage image(16, 16, fromFormat); + image.setColorSpace(QColorSpace::SRgb); + + for (int i = 0; i < image.height(); ++i) { + for (int j = 0; j < image.width(); ++j) { + if (srcGrayscale || dstGrayscale) + image.setPixel(j, i, qRgb((i + j) * 8, (i + j) * 8, (i + j) * 8)); + else + image.setPixel(j, i, qRgb(j * 16, i * 16, (i + j) * 8)); + } + } + + QImage imageConverted = image.convertedToColorSpace(QColorSpace::DisplayP3, toFormat); + QCOMPARE(imageConverted.format(), toFormat); + QCOMPARE(imageConverted.size(), image.size()); + if (dstGrayscale) { + int gray = 0; + for (int x = 0; x < image.width(); ++x) { + int newGray = qGray(imageConverted.pixel(x, 6)); + QCOMPARE_GE(newGray, gray); + gray = newGray; + } + } else { + int red = 0; + int blue = 0; + for (int x = 0; x < image.width(); ++x) { + int newRed = qRed(imageConverted.pixel(x, 5)); + int newBlue = qBlue(imageConverted.pixel(x, 7)); + QCOMPARE_GE(newBlue, blue); + QCOMPARE_GE(newRed, red); + blue = newBlue; + red = newRed; + } + } +} + + +void tst_QImage::colorSpaceCmykConversion_data() +{ + QTest::addColumn<QImage::Format>("toFormat"); + + QImage::Format formats[] = { + QImage::Format_RGB32, + QImage::Format_ARGB32, + QImage::Format_ARGB32_Premultiplied, + QImage::Format_RGBX64, + QImage::Format_RGBA64, + QImage::Format_RGBA64_Premultiplied, + QImage::Format_RGBX32FPx4, + QImage::Format_RGBA32FPx4, + QImage::Format_RGBA32FPx4_Premultiplied, + QImage::Format_Grayscale8, + QImage::Format_Grayscale16, + }; + + for (auto toFormat : formats) + QTest::addRow("CMYK8888 -> %s", formatToString(toFormat).data()) << toFormat; +} + +void tst_QImage::colorSpaceCmykConversion() +{ + QFETCH(QImage::Format, toFormat); + + bool dstGrayscale = toFormat == QImage::Format_Grayscale8 || toFormat == QImage::Format_Grayscale16; + + QImage image(16, 16, QImage::Format_CMYK8888); + QFile iccProfile(m_prefix +"CGATS001Compat-v2-micro.icc"); + iccProfile.open(QIODevice::ReadOnly); + image.setColorSpace(QColorSpace::fromIccProfile(iccProfile.readAll())); + QVERIFY(image.colorSpace().isValid()); + + for (int i = 0; i < image.height(); ++i) { + for (int j = 0; j < image.width(); ++j) { + if (dstGrayscale) + image.setPixel(j, i, qRgb((i + j) * 8, (i + j) * 8, (i + j) * 8)); + else + image.setPixel(j, i, qRgb(j * 16, i * 16, (i + j) * 8)); + } + } + + QImage imageConverted = image.convertedToColorSpace(QColorSpace::SRgb, toFormat); + QCOMPARE(imageConverted.format(), toFormat); + QCOMPARE(imageConverted.size(), image.size()); + if (dstGrayscale) { + int gray = 0; + for (int x = 0; x < image.width(); ++x) { + int newGray = qGray(imageConverted.pixel(x, 6)); + QCOMPARE_GE(newGray, gray); + gray = newGray; + } + } else { + int red = 0; + for (int x = 0; x < image.width(); ++x) { + int newRed = qRed(imageConverted.pixel(x, 5)); + QCOMPARE_GE(newRed, red); + red = newRed; + } + } +} + void tst_QImage::deepCopyWhenPaintingActive() { QImage image(64, 64, QImage::Format_ARGB32_Premultiplied); @@ -3322,7 +3495,8 @@ void tst_QImage::invertPixelsRGB_data() for (int i = QImage::Format_RGB32; i < QImage::NImageFormats; ++i) { if (i == QImage::Format_Alpha8 || i == QImage::Format_Grayscale8 - || i == QImage::Format_Grayscale16) { + || i == QImage::Format_Grayscale16 + || i == QImage::Format_CMYK8888) { continue; } QTest::addRow("%s", formatToString(QImage::Format(i)).data()) << QImage::Format(i); @@ -3689,10 +3863,12 @@ void tst_QImage::metadataPassthrough() QCOMPARE(alphaMask.dotsPerMeterY(), a.dotsPerMeterY()); QCOMPARE(alphaMask.devicePixelRatio(), a.devicePixelRatio()); +#ifndef QT_NO_IMAGE_HEURISTIC_MASK QImage heuristicMask = a.createHeuristicMask(); QCOMPARE(heuristicMask.dotsPerMeterX(), a.dotsPerMeterX()); QCOMPARE(heuristicMask.dotsPerMeterY(), a.dotsPerMeterY()); QCOMPARE(heuristicMask.devicePixelRatio(), a.devicePixelRatio()); +#endif QImage maskFromColor = a.createMaskFromColor(qRgb(0, 0, 0)); QCOMPARE(maskFromColor.dotsPerMeterX(), a.dotsPerMeterX()); @@ -4080,6 +4256,16 @@ void tst_QImage::metadataChangeWithReadOnlyPixels() QCOMPARE(image.constBits(), (const uchar *)data); } +void tst_QImage::scaleIndexed() +{ + QImage image(10, 10, QImage::Format_Indexed8); + image.setColor(0, qRgb(0,0,0)); + image.setColor(1, qRgb(1,1,1)); + image.fill(1); + image.setDevicePixelRatio(2); + QImage image2 = image.scaled(20, 20, Qt::KeepAspectRatio, Qt::SmoothTransformation); // do not crash +} + #if defined(Q_OS_WIN) static inline QColor COLORREFToQColor(COLORREF cr) @@ -4192,5 +4378,27 @@ void tst_QImage::fromMonoHBITMAP() // QTBUG-72343, corruption for mono bitmaps #endif // Q_OS_WIN +void tst_QImage::tofromPremultipliedFormat_data() +{ + QTest::addColumn<QImage::Format>("unpremul"); + QTest::addColumn<QImage::Format>("premul"); + + // Test all available formats with both premultiplied and unpremultiplied versions + QTest::newRow("argb32") << QImage::Format_ARGB32 << QImage::Format_ARGB32_Premultiplied; + QTest::newRow("rgba8888") << QImage::Format_RGBA8888 << QImage::Format_RGBA8888_Premultiplied; + QTest::newRow("rgba64") << QImage::Format_RGBA64 << QImage::Format_RGBA64_Premultiplied; + QTest::newRow("rgba16fpx4") << QImage::Format_RGBA16FPx4 << QImage::Format_RGBA16FPx4_Premultiplied; + QTest::newRow("rgba32fpx4") << QImage::Format_RGBA32FPx4 << QImage::Format_RGBA32FPx4_Premultiplied; +} + +void tst_QImage::tofromPremultipliedFormat() +{ + QFETCH(QImage::Format, unpremul); + QFETCH(QImage::Format, premul); + + QCOMPARE(qt_toPremultipliedFormat(unpremul), premul); + QCOMPARE(qt_toUnpremultipliedFormat(premul), unpremul); +} + QTEST_GUILESS_MAIN(tst_QImage) #include "tst_qimage.moc" |