Add CurveRenderer item into shape antialiasing example

CurveRenderer has built-in antialiasing supports, so compare it here to
MSAA and SSAA.

Task-number: QTBUG-104122
Pick-to: 6.6
Change-Id: I207ab770cae052b195e9da8802dc594a91ce713b
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>

2 files changed, 51 insertions, 1 deletions

diff --git a/examples/quick/shapes/main.qml b/examples/quick/shapes/main.qml
index 90fcbd28f0..7dc644be1d 100644
--- a/examples/quick/shapes/main.qml
+++ b/examples/quick/shapes/main.qml
@@ -12,7 +12,7 @@ Item {
         Component.onCompleted: {
             addExample(qsTr("Shape Gallery"), qsTr("Simple path rendering examples"), Qt.resolvedUrl("shapegallery.qml"))
             addExample(qsTr("Interactive Shape"), qsTr("Dynamic, interactive path rendering examples"), Qt.resolvedUrl("interactive.qml"))
-            addExample(qsTr("Super- and multisampling"), qsTr("Improving quality"), Qt.resolvedUrl("sampling.qml"))
+            addExample(qsTr("Anti-aliasing"), qsTr("Improving quality"), Qt.resolvedUrl("sampling.qml"))
             addExample(qsTr("Clip My Tiger!"), qsTr("Clip examples, a.k.a. What Not To Do"), Qt.resolvedUrl("clippedtigers.qml"))
         }
     }
diff --git a/examples/quick/shapes/sampling.qml b/examples/quick/shapes/sampling.qml
index f58815e813..27515b6722 100644
--- a/examples/quick/shapes/sampling.qml
+++ b/examples/quick/shapes/sampling.qml
@@ -202,6 +202,56 @@ Rectangle {
                     }
                 }
             }
+            Text {
+                text: qsTr("CurveRenderer")
+            }
+
+            // Now let's use CurveRenderer with built-in antialiasing support.
+            Rectangle {
+                color: "lightGray"
+                width: 400
+                height: 200
+
+                Shape {
+                    x: 30
+                    y: 20
+                    width: 50
+                    height: 50
+                    scale: 2
+                    preferredRendererType: Shape.CurveRenderer
+                    antialiasing: true
+
+                    ShapePath {
+                        strokeColor: "green"
+                        NumberAnimation on strokeWidth {
+                            from: 1
+                            to: 20
+                            duration: 5000
+                        }
+                        fillColor: "transparent"
+                        capStyle: ShapePath.RoundCap
+
+                        startX: 40
+                        startY: 30
+                        PathQuad {
+                            x: 50
+                            y: 80
+                            controlX: 0
+                            controlY: 80
+                        }
+                        PathLine {
+                            x: 150
+                            y: 80
+                        }
+                        PathQuad {
+                            x: 160
+                            y: 30
+                            controlX: 200
+                            controlY: 80
+                        }
+                    }
+                }
+            }
         }
     }
 }