Qt Reference Documentation

# Smiley.qml Example File

declarative/modelviews/parallax/qml/Smiley.qml

     /****************************************************************************
     **
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
     **     the names of its contributors may be used to endorse or promote
     **     products derived from this software without specific prior written
     **     permission.
     **
     ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     import QtQuick 1.0

     // This is taken from the declarative animation/basics/property-animation.qml
     // example

     Item {
         id: window
         width: 320; height: 480

         Image {
             anchors.horizontalCenter: parent.horizontalCenter
             y: smiley.minHeight + 58
             source: "../pics/shadow.png"

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

             SequentialAnimation on y {
                 loops: Animation.Infinite

                 NumberAnimation {
                     from: smiley.minHeight; to: smiley.maxHeight
                     easing.type: Easing.OutExpo; duration: 300
                 }

                 NumberAnimation {
                     from: smiley.maxHeight; to: smiley.minHeight
                     easing.type: Easing.OutBounce; duration: 1000
                 }

                 PauseAnimation { duration: 500 }
             }
         }
     }