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3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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6** This file is part of the examples of the Qt Toolkit.
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40
41import QtQuick 2.0
42
43Item {
44    id: window
45    width: 320; height: 480
46
47    // Let's draw the sky...
48    Rectangle {
49        anchors { left: parent.left; top: parent.top; right: parent.right; bottom: parent.verticalCenter }
50        gradient: Gradient {
51            GradientStop { position: 0.0; color: "DeepSkyBlue" }
52            GradientStop { position: 1.0; color: "LightSkyBlue" }
53        }
54    }
55
56    // ...and the ground.
57    Rectangle {
58        anchors { left: parent.left; top: parent.verticalCenter; right: parent.right; bottom: parent.bottom }
59        gradient: Gradient {
60            GradientStop { position: 0.0; color: "ForestGreen" }
61            GradientStop { position: 1.0; color: "DarkGreen" }
62        }
63    }
64
65    // The shadow for the smiley face
66    Image {
67        anchors.horizontalCenter: parent.horizontalCenter
68        y: smiley.minHeight + 58
69        source: "images/shadow.png"
70
71        // The scale property depends on the y position of the smiley face.
72        scale: smiley.y * 0.5 / (smiley.minHeight - smiley.maxHeight)
73    }
74
75    Image {
76        id: smiley
77        property int maxHeight: window.height / 3
78        property int minHeight: 2 * window.height / 3
79
80        anchors.horizontalCenter: parent.horizontalCenter
81        y: minHeight
82        source: "images/face-smile.png"
83
84        //! [0]
85        // Animate the y property. Setting loops to Animation.Infinite makes the
86        // animation repeat indefinitely, otherwise it would only run once.
87        SequentialAnimation on y {
88            loops: Animation.Infinite
89
90            // Move from minHeight to maxHeight in 300ms, using the OutExpo easing function
91            NumberAnimation {
92                from: smiley.minHeight; to: smiley.maxHeight
93                easing.type: Easing.OutExpo; duration: 300
94            }
95
96            // Then move back to minHeight in 1 second, using the OutBounce easing function
97            NumberAnimation {
98                from: smiley.maxHeight; to: smiley.minHeight
99                easing.type: Easing.OutBounce; duration: 1000
100            }
101
102            // Then pause for 500ms
103            PauseAnimation { duration: 500 }
104        }
105        //! [0]
106    }
107}
108