clippedtigers.qml Example File

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  import QtQuick 2.9
  import QtQuick.Shapes 1.0

  Rectangle {
      id: root
      width: 1024
      height: 768

      property color col: "lightsteelblue"
      gradient: Gradient {
          GradientStop { position: 0.0; color: Qt.tint(root.col, "#20FFFFFF") }
          GradientStop { position: 0.1; color: Qt.tint(root.col, "#20AAAAAA") }
          GradientStop { position: 0.9; color: Qt.tint(root.col, "#20666666") }
          GradientStop { position: 1.0; color: Qt.tint(root.col, "#20000000") }
      }

      Rectangle {
          id: scissorRect
          width: 200
          height: 200
          x: 150
          property real centerY: parent.height / 2 - height / 2
          property real dy: 0
          y: centerY + dy
          clip: true

          Loader {
              id: loader1
              width: parent.width
              height: parent.height
              y: 25 - scissorRect.dy
              source: "tiger.qml"
              asynchronous: true
              visible: status === Loader.Ready
          }

          SequentialAnimation on dy {
              loops: Animation.Infinite
              running: loader1.status === Loader.Ready && loader1.item.status === Shape.Ready
              NumberAnimation {
                  from: 0
                  to: -scissorRect.centerY
                  duration: 2000
              }
              NumberAnimation {
                  from: -scissorRect.centerY
                  to: scissorRect.centerY
                  duration: 4000
              }
              NumberAnimation {
                  from: scissorRect.centerY
                  to: 0
                  duration: 2000
              }
          }
      }

      // With a more complex transformation (like rotation), stenciling is used
      // instead of scissoring, this is more expensive. It may also trigger a
      // slower code path for Shapes, depending on the path rendering backend
      // in use, and may affect rendering quality as well.
      Rectangle {
          id: stencilRect
          width: 300
          height: 200
          anchors.right: parent.right
          anchors.rightMargin: 100
          anchors.verticalCenter: parent.verticalCenter
          clip: true // NB! still clips to bounding rect (not shape)

          Loader {
              id: loader2
              width: parent.width
              height: parent.height
              source: "tiger.qml"
              asynchronous: true
              visible: status === Loader.Ready
          }

          NumberAnimation on rotation {
              from: 0
              to: 360
              duration: 5000
              loops: Animation.Infinite
          }
      }
  }