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import Qt 4.7

Item {

    id: window

    width: 320; height: 480

    // The shadow for the smiley face

    Image {

        anchors.horizontalCenter: parent.horizontalCenter

        source: "../pics/shadow.png"; y: smiley.minHeight + 58

        // The scale property depends on the y position of the smiley face.

        scale: smiley.y * 0.5 / (smiley.minHeight - smiley.maxHeight)

    }

    Image {

        id: smiley

        property int maxHeight: window.height / 3

        property int minHeight: 2 * window.height / 3

        anchors.horizontalCenter: parent.horizontalCenter

        source: "../pics/face-smile.png"; y: minHeight

        // Animate the y property. Setting repeat to true makes the

        // animation repeat indefinitely, otherwise it would only run once.

        SequentialAnimation  on y {

            loops: Animation.Infinite

            // Move from minHeight to maxHeight in 300ms, using the OutExpo easing function

            NumberAnimation {

                from: smiley.minHeight; to: smiley.maxHeight

                easing.type: Easing.OutExpo; duration: 300

            }

            // Then move back to minHeight in 1 second, using the OutBounce easing function

            NumberAnimation {

                from: smiley.maxHeight; to: smiley.minHeight

                easing.type: Easing.OutBounce; duration: 1000

            }

            // Then pause for 500ms

            PauseAnimation { duration: 500 }

        }

    }

}