Image ColorSpace bindings for Quick/QML

Adds a ColorSpace type mapped to QColorSpace, and adds a property to
Image nodes to read and change it, converting the image if necessary
on read.

Fixes: QTBUG-80616
Change-Id: Ie80c8bc045f66de01de3a5d2c4a9974f07d2871d
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

2 files changed, 29 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickimage/data/ProPhoto.jpg b/tests/auto/quick/qquickimage/data/ProPhoto.jpg
new file mode 100644
index 0000000000..481d35ca8e
--- /dev/null
+++ b/tests/auto/quick/qquickimage/data/ProPhoto.jpg
diff --git a/tests/auto/quick/qquickimage/tst_qquickimage.cpp b/tests/auto/quick/qquickimage/tst_qquickimage.cpp
index abc7cd86bd..bab1f1445d 100644
--- a/tests/auto/quick/qquickimage/tst_qquickimage.cpp
+++ b/tests/auto/quick/qquickimage/tst_qquickimage.cpp
@@ -99,6 +99,7 @@ private slots:
     void urlInterceptor();
     void multiFrame_data();
     void multiFrame();
+    void colorSpace();
 
 private:
     QQmlEngine engine;
@@ -1190,6 +1191,34 @@ void tst_qquickimage::multiFrame()
     QVERIFY(qBlue(color) < 0xc0);
 }
 
+void tst_qquickimage::colorSpace()
+{
+    QString componentStr1 = "import QtQuick 2.15\n"
+                            "Image { source: srcImage; }";
+    QQmlComponent component1(&engine);
+    component1.setData(componentStr1.toLatin1(), QUrl::fromLocalFile(""));
+    engine.rootContext()->setContextProperty("srcImage", testFileUrl("ProPhoto.jpg"));
+
+    QScopedPointer<QQuickImage> object1 { qobject_cast<QQuickImage*>(component1.create())};
+    QVERIFY(object1);
+    QTRY_COMPARE(object1->status(), QQuickImageBase::Ready);
+    QCOMPARE(object1->colorSpace(), QColorSpace(QColorSpace::ProPhotoRgb));
+
+    QString componentStr2 = "import QtQuick 2.15\n"
+                            "Image {\n"
+                            "  source: srcImage;\n"
+                            "  colorSpace.namedColorSpace: ColorSpace.SRgb;\n"
+                            "}";
+
+    QQmlComponent component2(&engine);
+    component2.setData(componentStr2.toLatin1(), QUrl::fromLocalFile(""));
+
+    QScopedPointer<QQuickImage> object2 { qobject_cast<QQuickImage*>(component2.create())};
+    QVERIFY(object2);
+    QTRY_COMPARE(object2->status(), QQuickImageBase::Ready);
+    QCOMPARE(object2->colorSpace(), QColorSpace(QColorSpace::SRgb));
+}
+
 QTEST_MAIN(tst_qquickimage)
 
 #include "tst_qquickimage.moc"