qtdeclarative/examples/quick/scenegraph/rendernode/main.qml

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import QtQuick 2.8
import SceneGraphRendering 2.0

Item {
    Rectangle {
        anchors.fill: parent
        gradient: Gradient {
            GradientStop { position: 0; color: "steelblue" }
            GradientStop { position: 1; color: "black" }
        }

        CustomRenderItem {
            id: renderer
            anchors.fill: parent
            anchors.margins: 10

            transform: [
                Rotation { id: rotation; axis.x: 0; axis.z: 0; axis.y: 1; angle: 0; origin.x: renderer.width / 2; origin.y: renderer.height / 2; },
                Translate { id: txOut; x: -renderer.width / 2; y: -renderer.height / 2 },
                Scale { id: scale; },
                Translate { id: txIn; x: renderer.width / 2; y: renderer.height / 2 }
            ]
        }

        SequentialAnimation {
            PauseAnimation { duration: 3000 }
            ParallelAnimation {
                NumberAnimation { target: scale; property: "xScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
                NumberAnimation { target: scale; property: "yScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
            }
            NumberAnimation { target: rotation; property: "angle"; to: 80; duration: 1000; easing.type: Easing.InOutCubic }
            NumberAnimation { target: rotation; property: "angle"; to: -80; duration: 1000; easing.type: Easing.InOutCubic }
            NumberAnimation { target: rotation; property: "angle"; to: 0; duration: 1000; easing.type: Easing.InOutCubic }
            NumberAnimation { target: renderer; property: "opacity"; to: 0.1; duration: 1000; easing.type: Easing.InOutCubic }
            PauseAnimation { duration: 1000 }
            NumberAnimation { target: renderer; property: "opacity"; to: 1.0; duration: 1000; easing.type: Easing.InOutCubic }
            ParallelAnimation {
                NumberAnimation { target: scale; property: "xScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
                NumberAnimation { target: scale; property: "yScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
            }
            running: true
            loops: Animation.Infinite
        }

        Text {
            id: label
            anchors.bottom: renderer.bottom
            anchors.left: renderer.left
            anchors.right: renderer.right
            anchors.margins: 20
            wrapMode: Text.WordWrap
            property int api: GraphicsInfo.api
            text: "Custom rendering via the graphics API "
                  + (api === GraphicsInfo.OpenGL ? "OpenGL"
                     : api === GraphicsInfo.Direct3D12 ? "Direct3D 12"
                     : api === GraphicsInfo.Software ? "Software" : "")
            color: "yellow"
        }
    }
}