item12.qml Example File

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  import QtQuick 2.9
  import QtQuick.Shapes 1.0

  Rectangle {
      color: "lightGray"
      Rectangle {
          border.color: "black"
          width: 200
          height: 200
          anchors.centerIn: parent

          Shape {
              anchors.fill: parent

              ShapePath {
                  strokeColor: "transparent"

                  fillGradient: LinearGradient {
                      id: grad
                      y1: 50; y2: 150
                      GradientStop { position: 0; color: "black" }
                      GradientStop { position: 1; color: "red" }
                  }

                  startX: 10; startY: 10
                  PathLine { relativeX: 180; relativeY: 0 }
                  PathLine { relativeX: 0; relativeY: 180 }
                  PathLine { relativeX: -180; relativeY: 0 }
                  PathLine { relativeX: 0; relativeY: -180 }
              }
          }

          Timer {
              id: spreadTimer
              interval: 3000
              running: true
              repeat: true
              property variant spreads: [ ShapeGradient.PadSpread, ShapeGradient.RepeatSpread, ShapeGradient.ReflectSpread ]
              property variant spreadTexts: [ "PadSpread", "RepeatSpread", "ReflectSpread" ]
              property int spreadIdx: 0
              onTriggered: { spreadIdx = (spreadIdx + 1) % spreads.length; grad.spread = spreads[spreadIdx] }
          }

          Shape {
              anchors.fill: parent
              ShapePath {
                  strokeColor: "gray"
                  strokeWidth: 2
                  fillColor: "transparent"
                  PathMove { x: 0; y: 50 }
                  PathLine { relativeX: 200; relativeY: 0 }
                  PathMove { x: 0; y: 150 }
                  PathLine { relativeX: 200; relativeY: 0 }
              }
          }
      }

      Text {
          anchors.right: parent.right
          text: spreadTimer.spreadTexts[spreadTimer.spreadIdx]
      }
  }