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-rw-r--r--tests/auto/gui/painting/qpainter/tst_qpainter.cpp162
1 files changed, 136 insertions, 26 deletions
diff --git a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
index 27c0f6e66a..91c06ab0b2 100644
--- a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
+++ b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
@@ -80,6 +80,7 @@
Q_DECLARE_METATYPE(QGradientStops)
Q_DECLARE_METATYPE(QPainterPath)
Q_DECLARE_METATYPE(QImage::Format)
+Q_DECLARE_METATYPE(QPainter::CompositionMode)
class tst_QPainter : public QObject
{
@@ -287,6 +288,9 @@ private slots:
void cosmeticStrokerClipping_data();
void cosmeticStrokerClipping();
+ void blendARGBonRGB_data();
+ void blendARGBonRGB();
+
private:
void fillData();
void setPenColor(QPainter& p);
@@ -511,7 +515,7 @@ void tst_QPainter::drawPixmap_comp()
bool different = false;
for (int y=0; y<result.height(); ++y)
for (int x=0; x<result.width(); ++x) {
- bool diff;
+ bool diff;
if (qAlpha(expected) == 0) {
diff = qAlpha(result.pixel(x, y)) != 0;
} else {
@@ -523,12 +527,12 @@ void tst_QPainter::drawPixmap_comp()
|| (qAbs(qBlue(pix) - qBlue(expected)) > off)
|| (qAbs(qAlpha(pix) - qAlpha(expected)) > off);
}
- if (diff && !different)
- qDebug( "Different at %d,%d pixel [%d,%d,%d,%d] expected [%d,%d,%d,%d]", x, y,
+ if (diff && !different)
+ qDebug( "Different at %d,%d pixel [%d,%d,%d,%d] expected [%d,%d,%d,%d]", x, y,
qRed(result.pixel(x, y)), qGreen(result.pixel(x, y)),
qBlue(result.pixel(x, y)), qAlpha(result.pixel(x, y)),
qRed(expected), qGreen(expected), qBlue(expected), qAlpha(expected));
- different |= diff;
+ different |= diff;
}
QVERIFY(!different);
@@ -560,24 +564,24 @@ void tst_QPainter::saveAndRestore_data()
QRect viewport = p.viewport();
QTest::newRow("Original") << font << pen << brush << backgroundColor << int(backgroundMode)
- << brushOrigin << clipRegion << window << viewport;
+ << brushOrigin << clipRegion << window << viewport;
QFont font2 = font;
font2.setPointSize( 24 );
QTest::newRow("Modified font.pointSize, brush, backgroundColor, backgroundMode")
<< font2 << pen << QBrush(Qt::red) << QColor(Qt::blue) << int(Qt::TransparentMode)
- << brushOrigin << clipRegion << window << viewport;
+ << brushOrigin << clipRegion << window << viewport;
font2 = font;
font2.setPixelSize( 20 );
QTest::newRow("Modified font.pixelSize, brushOrigin, pos")
<< font2 << pen << brush << backgroundColor << int(backgroundMode)
- << QPoint( 50, 32 ) << clipRegion << window << viewport;
+ << QPoint( 50, 32 ) << clipRegion << window << viewport;
QTest::newRow("Modified clipRegion, window, viewport")
<< font << pen << brush << backgroundColor << int(backgroundMode)
- << brushOrigin << clipRegion.subtracted(QRect(10,10,50,30))
- << QRect(-500, -500, 500, 500 ) << QRect( 0, 0, 50, 50 );
+ << brushOrigin << clipRegion.subtracted(QRect(10,10,50,30))
+ << QRect(-500, -500, 500, 500 ) << QRect( 0, 0, 50, 50 );
}
void tst_QPainter::saveAndRestore()
@@ -662,13 +666,13 @@ QBitmap tst_QPainter::getBitmap( const QString &dir, const QString &filename, bo
return QBitmap();
}
if ( mask ) {
- QBitmap mask;
- QString maskFilename = dir + QString( "/%1-mask.xbm" ).arg( filename );
- if ( !mask.load( maskFilename ) ) {
- QWARN(QString("Could not load mask '%1'").arg(maskFilename).toLatin1());
- return QBitmap();
- }
- bm.setMask( mask );
+ QBitmap mask;
+ QString maskFilename = dir + QString( "/%1-mask.xbm" ).arg( filename );
+ if (!mask.load(maskFilename)) {
+ QWARN(QString("Could not load mask '%1'").arg(maskFilename).toLatin1());
+ return QBitmap();
+ }
+ bm.setMask( mask );
}
return bm;
}
@@ -698,17 +702,17 @@ static QRect getPaintedSize(const QImage &image, const QColor &background)
uint color = background.rgba();
for ( int y = 0; y < image.height(); ++y ) {
- for ( int x = 0; x < image.width(); ++x ) {
+ for (int x = 0; x < image.width(); ++x) {
QRgb pixel = image.pixel( x, y );
- if ( pixel != color && x < xmin )
- xmin = x;
- if ( pixel != color && x > xmax )
- xmax = x;
- if ( pixel != color && y < ymin )
- ymin = y;
- if ( pixel != color && y > ymax )
- ymax = y;
- }
+ if (pixel != color && x < xmin)
+ xmin = x;
+ if (pixel != color && x > xmax)
+ xmax = x;
+ if (pixel != color && y < ymin)
+ ymin = y;
+ if (pixel != color && y > ymax)
+ ymax = y;
+ }
}
return QRect(xmin, ymin, xmax - xmin + 1, ymax - ymin + 1);
@@ -4528,6 +4532,112 @@ void tst_QPainter::QTBUG25153_drawLine()
}
}
+void tst_QPainter::blendARGBonRGB_data()
+{
+ QTest::addColumn<QImage::Format>("dst_format");
+ QTest::addColumn<QImage::Format>("src_format");
+ QTest::addColumn<QPainter::CompositionMode>("compositionMode");
+ QTest::addColumn<QRgb>("color");
+ QTest::addColumn<int>("expected_red");
+
+ QTest::newRow("ARGB over ARGB32") << QImage::Format_ARGB32 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceOver << qRgba(255, 0, 0, 127) << 127 ;
+ QTest::newRow("ARGB_PM over ARGB32") << QImage::Format_ARGB32 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceOver<< qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB source ARGB32") << QImage::Format_ARGB32 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_Source << qRgba(255, 0, 0, 127) << 255;
+ QTest::newRow("ARGB_PM source ARGB32") << QImage::Format_ARGB32 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_Source << qRgba(127, 0, 0, 127) << 255;
+ QTest::newRow("ARGB source-in ARGB32") << QImage::Format_ARGB32 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceIn << qRgba(255, 0, 0, 127) << 255 ;
+ QTest::newRow("ARGB_PM source-in ARGB32") << QImage::Format_ARGB32 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceIn << qRgba(127, 0, 0, 127) << 255;
+ // Only ARGB does inverse premultiply, on the rest over and source gives similar results:
+ QTest::newRow("ARGB over RGB32") << QImage::Format_RGB32 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceOver << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM over RGB32") << QImage::Format_RGB32 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceOver << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB source RGB32") << QImage::Format_RGB32 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_Source << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM source RGB32") << QImage::Format_RGB32 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_Source << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB source-in RGB32") << QImage::Format_RGB32 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceIn << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM source-in RGB32") << QImage::Format_RGB32 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceIn << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB over RGB888") << QImage::Format_RGB888 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceOver << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM over RGB888") << QImage::Format_RGB888 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceOver << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB source RGB888") << QImage::Format_RGB888 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_Source << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM source RGB888") << QImage::Format_RGB888 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_Source << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB source-in RGB888") << QImage::Format_RGB888 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceIn << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM source-in RGB888") << QImage::Format_RGB888 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceIn << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB over RGBx8888") << QImage::Format_RGBX8888 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceOver << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM over RGBx8888") << QImage::Format_RGBX8888 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceOver << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB source RGBx8888") << QImage::Format_RGBX8888 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_Source << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM source RGBx8888") << QImage::Format_RGBX8888 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_Source << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB source-in RGBx8888") << QImage::Format_RGBX8888 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceIn << qRgba(255, 0, 0, 127) << 127;
+ QTest::newRow("ARGB_PM source-in RGBx8888") << QImage::Format_RGBX8888 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceIn << qRgba(127, 0, 0, 127) << 127;
+ QTest::newRow("ARGB over RGB16") << QImage::Format_RGB16 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceOver << qRgba(255, 0, 0, 127) << 123;
+ QTest::newRow("ARGB_PM over RGB16") << QImage::Format_RGB16 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceOver << qRgba(127, 0, 0, 127) << 123;
+ QTest::newRow("ARGB source RGB16") << QImage::Format_RGB16 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_Source << qRgba(255, 0, 0, 127) << 123;
+ QTest::newRow("ARGB_PM source RGB16") << QImage::Format_RGB16 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_Source << qRgba(127, 0, 0, 127) << 123;
+ QTest::newRow("ARGB source-in RGB16") << QImage::Format_RGB16 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceIn << qRgba(255, 0, 0, 127) << 123;
+ QTest::newRow("ARGB_PM source-in RGB16") << QImage::Format_RGB16 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceIn << qRgba(127, 0, 0, 127) << 123;
+ QTest::newRow("ARGB over RGB666") << QImage::Format_RGB666 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceOver << qRgba(255, 0, 0, 127) << 125;
+ QTest::newRow("ARGB_PM over RGB666") << QImage::Format_RGB666 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceOver << qRgba(127, 0, 0, 127) << 125;
+ QTest::newRow("ARGB source RGB666") << QImage::Format_RGB666 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_Source << qRgba(255, 0, 0, 127) << 125;
+ QTest::newRow("ARGB_PM source RGB666") << QImage::Format_RGB666 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_Source << qRgba(127, 0, 0, 127) << 125;
+ QTest::newRow("ARGB source-in RGB666") << QImage::Format_RGB666 << QImage::Format_ARGB32
+ << QPainter::CompositionMode_SourceIn << qRgba(255, 0, 0, 127) << 125;
+ QTest::newRow("ARGB_PM source-in RGB666") << QImage::Format_RGB666 << QImage::Format_ARGB32_Premultiplied
+ << QPainter::CompositionMode_SourceIn << qRgba(127, 0, 0, 127) << 125;
+}
+
+void tst_QPainter::blendARGBonRGB()
+{
+ QFETCH(QImage::Format, dst_format);
+ QFETCH(QImage::Format, src_format);
+ QFETCH(QPainter::CompositionMode, compositionMode);
+ QFETCH(QRgb, color);
+ QFETCH(int, expected_red);
+
+ QImage imageRgb(16,16, dst_format);
+ QImage imageArgb(16,16, src_format);
+ QPainter painter;
+
+ imageArgb.fill(color);
+
+ imageRgb.fill(Qt::black);
+ painter.begin(&imageRgb);
+ painter.setCompositionMode(compositionMode);
+ painter.drawImage(0, 0, imageArgb);
+ painter.end();
+
+ QCOMPARE(qRed(imageRgb.pixel(0,0)), expected_red);
+}
+
enum CosmeticStrokerPaint
{
Antialiasing,
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-31 00:41:26 +0000