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+import Qt 4.7
+
+Item {
+ id: window
+ width: 320; height: 480
+
+ // Let's draw the sky...
+ Rectangle {
+ anchors { left: parent.left; top: parent.top; right: parent.right; bottom: parent.verticalCenter }
+ gradient: Gradient {
+ GradientStop { position: 0.0; color: "DeepSkyBlue" }
+ GradientStop { position: 1.0; color: "LightSkyBlue" }
+ }
+ }
+
+ // ...and the ground.
+ Rectangle {
+ anchors { left: parent.left; top: parent.verticalCenter; right: parent.right; bottom: parent.bottom }
+ gradient: Gradient {
+ GradientStop { position: 0.0; color: "ForestGreen" }
+ GradientStop { position: 1.0; color: "DarkGreen" }
+ }
+ }
+
+ // The shadow for the smiley face
+ Image {
+ anchors.horizontalCenter: parent.horizontalCenter
+ source: "images/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: "images/face-smile.png"; y: minHeight
+
+ // Animate the y property. Setting loops to Animation.Infinite 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 }
+ }
+ }
+}