Qt 5.11 | Qt Quick | Qt Quick Examples - Image Elements | animatedimage.qml Example File

Qt 5.11.3 Reference Documentation

# animatedimage.qml Example File

imageelements/animatedimage.qml

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      import QtQuick 2.11
      import Qt.labs.handlers 1.0
      import "../shared" as Examples

      Column {
          width: 320
          height: 480
          spacing: 6
          y: 12

          AnimatedImage {
              id: animation
              source: "content/Uniflow_steam_engine.gif"
              anchors.horizontalCenter: parent.horizontalCenter
              speed: speedSlider.value
              TapHandler {
                  onTapped: animation.playing = !animation.playing
              }
          }

          Rectangle {
              id: timeline
              color: "steelblue"
              width: animation.width
              height: 1
              x: animation.x
              y: animation.height + 12
              visible: animation.playing

              Rectangle {
                  property int frames: animation.frameCount
                  width: 4; height: 8
                  x: (animation.width - width) * animation.currentFrame / frames
                  y: -4
                  color: "red"
              }
          }

          Examples.Slider {
              id: speedSlider
              name: "Speed"
              min: 0
              max: 5
              init: 1
              width: 240
              x: animation.x
              Text {
                  font.pointSize: 12
                  text: Math.round(animation.speed * 100) + "%"
                  x: animation.width - width
                  anchors.verticalCenter: parent.verticalCenter
                  anchors.margins: 6
              }
          }

          Examples.Button {
              text: "Reset"
              enabled: speedSlider.value !== 1
              anchors.horizontalCenter: parent.horizontalCenter
              onClicked: {
                  speedSlider.setValue(1)
                  animation.playing = true
              }
          }
      }