shapes: Add support for radial gradients

Task-number: QTBUG-61857
Change-Id: I580e503d8266a9dca69bb542c22228df4ff4bf94
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>

3 files changed, 56 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickshape/data/pathitem5.png b/tests/auto/quick/qquickshape/data/pathitem5.png
new file mode 100644
index 0000000000..cb5cfd25dc
--- /dev/null
+++ b/tests/auto/quick/qquickshape/data/pathitem5.png
diff --git a/tests/auto/quick/qquickshape/data/pathitem5.qml b/tests/auto/quick/qquickshape/data/pathitem5.qml
new file mode 100644
index 0000000000..1bd465d5c0
--- /dev/null
+++ b/tests/auto/quick/qquickshape/data/pathitem5.qml
@@ -0,0 +1,37 @@
+import QtQuick 2.9
+import tst_qquickpathitem 1.0
+
+Item {
+    width: 200
+    height: 150
+
+    Shape {
+        vendorExtensionsEnabled: false
+        objectName: "pathItem"
+        anchors.fill: parent
+
+        ShapePath {
+            strokeWidth: 4
+            strokeColor: "red"
+            fillGradient: RadialGradient {
+                centerX: 100; centerY: 100; centerRadius: 100
+                focalX: 100; focalY: 100; focalRadius: 10
+                GradientStop { position: 0; color: "#ffffff" }
+                GradientStop { position: 0.11; color: "#f9ffa0" }
+                GradientStop { position: 0.13; color: "#f9ff99" }
+                GradientStop { position: 0.14; color: "#f3ff86" }
+                GradientStop { position: 0.49; color: "#93b353" }
+                GradientStop { position: 0.87; color: "#264619" }
+                GradientStop { position: 0.96; color: "#0c1306" }
+                GradientStop { position: 1; color: "#000000" }
+            }
+            fillColor: "blue" // ignored with the gradient set
+            strokeStyle: ShapePath.DashLine
+            dashPattern: [ 1, 4 ]
+            startX: 20; startY: 20
+            PathLine { x: 180; y: 130 }
+            PathLine { x: 20; y: 130 }
+            PathLine { x: 20; y: 20 }
+        }
+    }
+}
diff --git a/tests/auto/quick/qquickshape/tst_qquickshape.cpp b/tests/auto/quick/qquickshape/tst_qquickshape.cpp
index dcc79e6599..a779b23abd 100644
--- a/tests/auto/quick/qquickshape/tst_qquickshape.cpp
+++ b/tests/auto/quick/qquickshape/tst_qquickshape.cpp
@@ -55,6 +55,7 @@ private slots:
     void changeSignals();
     void render();
     void renderWithMultipleSp();
+    void radialGrad();
 };
 
 tst_QQuickShape::tst_QQuickShape()
@@ -67,6 +68,7 @@ tst_QQuickShape::tst_QQuickShape()
     qmlRegisterType<QQuickShapePath>(uri, 1, 0, "ShapePath");
     qmlRegisterUncreatableType<QQuickShapeGradient>(uri, 1, 0, "ShapeGradient", QQuickShapeGradient::tr("ShapeGradient is an abstract base class"));
     qmlRegisterType<QQuickShapeLinearGradient>(uri, 1, 0, "LinearGradient");
+    qmlRegisterType<QQuickShapeRadialGradient>(uri, 1, 0, "RadialGradient");
 }
 
 void tst_QQuickShape::initValues()
@@ -245,6 +247,23 @@ void tst_QQuickShape::renderWithMultipleSp()
     QVERIFY(QQuickVisualTestUtil::compareImages(img.convertToFormat(refImg.format()), refImg));
 }
 
+void tst_QQuickShape::radialGrad()
+{
+    QScopedPointer<QQuickView> window(createView());
+
+    window->setSource(testFileUrl("pathitem5.qml"));
+    window->show();
+    QVERIFY(QTest::qWaitForWindowExposed(window.data()));
+
+    QImage img = window->grabWindow();
+    QVERIFY(!img.isNull());
+
+    QImage refImg(testFileUrl("pathitem5.png").toLocalFile());
+    QVERIFY(!refImg.isNull());
+
+    QVERIFY(QQuickVisualTestUtil::compareImages(img.convertToFormat(refImg.format()), refImg));
+}
+
 QTEST_MAIN(tst_QQuickShape)
 
 #include "tst_qquickshape.moc"