Qt Reference Documentation

- Qt 4.8
- ALL VERSIONS

- A
- A
- A
- Print

# RadialWave.qml Example File

declarative/shadereffects/qml/shadereffects/RadialWave.qml

     /****************************************************************************
     **
     ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:LGPL$
     ** Commercial License Usage
     ** Licensees holding valid commercial Qt licenses may use this file in
     ** accordance with the commercial license agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Digia.  For licensing terms and
     ** conditions see http://qt.digia.com/licensing.  For further information
     ** use the contact form at http://qt.digia.com/contact-us.
     **
     ** GNU Lesser General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU Lesser
     ** General Public License version 2.1 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.LGPL included in the
     ** packaging of this file.  Please review the following information to
     ** ensure the GNU Lesser General Public License version 2.1 requirements
     ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
     **
     ** In addition, as a special exception, Digia gives you certain additional
     ** rights.  These rights are described in the Digia Qt LGPL Exception
     ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License version 3.0 as published by the Free Software
     ** Foundation and appearing in the file LICENSE.GPL included in the
     ** packaging of this file.  Please review the following information to
     ** ensure the GNU General Public License version 3.0 requirements will be
     ** met: http://www.gnu.org/copyleft/gpl.html.
     **
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     import QtQuick 1.0
     import Qt.labs.shaders 1.0

     Item {
         id: main
         anchors.fill: parent

         ShaderEffectSource {
             id: thesource
             sourceItem: Image { source: "images/wave.jpg" }
             live: false
             hideSource: true
         }

         RadialWaveEffect {
             id: layer
             anchors.fill: parent;
             source: thesource

             wave: 0.0
             waveOriginX: 0.5
             waveOriginY: 0.5
             waveWidth: 0.01

             NumberAnimation on wave {
                 id: waveAnim
                 running: true
                 loops: Animation.Infinite
                 easing.type: "Linear"
                 from: 0.0000; to: 2.0000;
                 duration: 2500
             }
         }

         MouseArea {
             anchors.fill: parent
             onPressed: {
                 waveAnim.stop()
                 layer.waveOriginX = mouseX / main.width
                 layer.waveOriginY = mouseY / main.height
                 waveAnim.start()
             }
         }
     }