1 files changed, 44 insertions, 3 deletions

diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp
index b84aa52465..71aaa23da4 100644
--- a/tests/auto/gui/image/qimage/tst_qimage.cpp
+++ b/tests/auto/gui/image/qimage/tst_qimage.cpp
@@ -32,7 +32,7 @@
 #include <qimage.h>
 #include <qimagereader.h>
 #include <qlist.h>
-#include <qmatrix.h>
+#include <qtransform.h>
 #include <qrandom.h>
 #include <stdio.h>
 
@@ -191,6 +191,8 @@ private slots:
     void invertPixelsRGB_data();
     void invertPixelsRGB();
 
+    void invertPixelsIndexed();
+
     void exifOrientation_data();
     void exifOrientation();
 
@@ -924,6 +926,9 @@ void tst_QImage::convertToFormat_data()
     QTest::newRow("blue rgb30 -> argb32") << int(QImage::Format_RGB30) << 0xff0000ff
                                           << int(QImage::Format_ARGB32) << 0xff0000ff;
 
+    QTest::newRow("semigray argb32 -> a2rgb30 pm") << int(QImage::Format_ARGB32) << 0x4c646565u
+                                                   << int(QImage::Format_A2RGB30_Premultiplied) << 0x55212222u;
+
     QTest::newRow("white gray8 -> argb pm") << int(QImage::Format_Grayscale8) << 0xfffffeffu
                                             << int(QImage::Format_ARGB32_Premultiplied) << 0xfffefefeu;
     QTest::newRow("gray gray8 -> argb pm") << int(QImage::Format_Grayscale8) << 0xff565557u
@@ -1199,7 +1204,7 @@ void tst_QImage::rotate()
     // original.save("rotated90_original.png", "png");
 
     // Initialize the matrix manually (do not use rotate) to avoid rounding errors
-    QMatrix matRotate90;
+    QTransform matRotate90;
     matRotate90.rotate(degrees);
     QImage dest = original;
     // And rotate it 4 times, then the image should be identical to the original
@@ -1213,7 +1218,7 @@ void tst_QImage::rotate()
     // dest.save("rotated90_result.png","png");
     QCOMPARE(original, dest);
 
-    // Test with QMatrix::rotate 90 also, since we trust that now
+    // Test with QTransform::rotate 90 also, since we trust that now
     matRotate90.rotate(degrees);
     dest = original;
     // And rotate it 4 times, then the image should be identical to the original
@@ -2132,6 +2137,12 @@ void tst_QImage::paintEngine()
 
     QCOMPARE(engine, img.paintEngine());
     QCOMPARE(img, expected);
+
+    {
+        QImage img1(16, 16, QImage::Format_ARGB32);
+        QImage img2 = img1;
+        QVERIFY(img2.paintEngine());
+    }
 }
 
 void tst_QImage::setAlphaChannelWhilePainting()
@@ -3077,6 +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");