Qt 5.11 | Qt Quick | Qt Quick Examples - Shapes | clippedtigers.qml Example File

Qt 5.11.3 Reference Documentation

# clippedtigers.qml Example File

shapes/content/clippedtigers.qml

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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
              }
          }
      }