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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtDeclarative module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:BSD$

    10 ** You may use this file under the terms of the BSD license as follows:

    11 **

    12 ** "Redistribution and use in source and binary forms, with or without

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    21 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor

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    23 **     products derived from this software without specific prior written

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    26 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

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    37 ** $QT_END_LICENSE$

    38 **

    39 ****************************************************************************/

    40 

    41 import Qt 4.7

    42 

    43 Item {

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

    69 

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

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

    72     }

    73 

    74     Image {

    75         id: smiley

    76         property int maxHeight: window.height / 3

    77         property int minHeight: 2 * window.height / 3

    78 

    79         anchors.horizontalCenter: parent.horizontalCenter

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

    81 

    82         // Animate the y property. Setting loops to Animation.Infinite makes the

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

    84         SequentialAnimation on y {

    85             loops: Animation.Infinite

    86 

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

    88             NumberAnimation {

    89                 from: smiley.minHeight; to: smiley.maxHeight

    90                 easing.type: Easing.OutExpo; duration: 300

    91             }

    92 

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

    94             NumberAnimation {

    95                 from: smiley.maxHeight; to: smiley.minHeight

    96                 easing.type: Easing.OutBounce; duration: 1000

    97             }

    98 

    99             // Then pause for 500ms

   100             PauseAnimation { duration: 500 }

   101         }

   102     }

   103 }