Qt 5.11 | Qt Quick | Qt Quick Examples - Shapes | item2.qml Example File

Qt 5.11.3 Reference Documentation

# item2.qml Example File

shapes/content/item2.qml

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      import QtQuick 2.9
      import QtQuick.Shapes 1.0

      Rectangle {
          color: "lightGray"

          Shape {
              id: circ1
              anchors.fill: parent

              ShapePath {
                  id: p1
                  fillColor: "transparent" // stroke only
                  strokeWidth: 4

                  SequentialAnimation on strokeColor {
                      loops: Animation.Infinite
                      ColorAnimation {
                          from: "black"
                          to: "yellow"
                          duration: 5000
                      }
                      ColorAnimation {
                          from: "yellow"
                          to: "green"
                          duration: 5000
                      }
                      ColorAnimation {
                          from: "green"
                          to: "black"
                          duration: 5000
                      }
                  }

                  property real r: 60
                  startX: circ1.width / 2 - r
                  startY: circ1.height / 2 - r
                  PathArc {
                      x: circ1.width / 2 + p1.r
                      y: circ1.height / 2 + p1.r
                      radiusX: p1.r; radiusY: p1.r
                      useLargeArc: true
                  }
                  PathArc {
                      x: circ1.width / 2 - p1.r
                      y: circ1.height / 2 - p1.r
                      radiusX: p1.r; radiusY: p1.r
                      useLargeArc: true
                  }
              }
          }

          Shape {
              id: circ2
              anchors.fill: parent

              SequentialAnimation on opacity {
                  loops: Animation.Infinite
                  NumberAnimation { from: 1.0; to: 0.0; duration: 5000 }
                  NumberAnimation { from: 0.0; to: 1.0; duration: 5000 }
              }

              ShapePath {
                  id: p2
                  strokeWidth: -1 // or strokeColor: "transparent"

                  SequentialAnimation on fillColor {
                      loops: Animation.Infinite
                      ColorAnimation {
                          from: "gray"
                          to: "purple"
                          duration: 3000
                      }
                      ColorAnimation {
                          from: "purple"
                          to: "red"
                          duration: 3000
                      }
                      ColorAnimation {
                          from: "red"
                          to: "gray"
                          duration: 3000
                      }
                  }

                  property real r: 40
                  startX: circ2.width / 2 - r
                  startY: circ2.height / 2 - r
                  PathArc {
                      x: circ2.width / 2 + p2.r
                      y: circ2.height / 2 + p2.r
                      radiusX: p2.r; radiusY: p2.r
                      useLargeArc: true
                  }
                  PathArc {
                      x: circ2.width / 2 - p2.r
                      y: circ2.height / 2 - p2.r
                      radiusX: p2.r; radiusY: p2.r
                      useLargeArc: true
                  }
              }
          }
      }