animatedimage.qml Example File

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 import QtQuick 2.12
 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
         }
     }
 }