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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Digia Plc 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 2.0
Rectangle {
id: root
color: "white"
width: 600
height: 300
Image {
id: background
width: parent.width/2
height: parent.height
source: "resources/Qt.png"
anchors {
right: parent.right
top: parent.top
}
}
ShaderEffect {
id: shaderEffect
width: parent.width/2
height: parent.height
anchors {
left: parent.left
top: parent.top
}
property variant source: background
property real frequency: 20
property real amplitude: 0.05
property real time
NumberAnimation on time {
from: 0; to: Math.PI * 2
duration: 1000
loops: Animation.Infinite
}
fragmentShader:
"varying highp vec2 qt_TexCoord0;
uniform sampler2D source;
uniform lowp float qt_Opacity;
uniform highp float frequency;
uniform highp float amplitude;
uniform highp float time;
void main(){
vec2 p= sin(time + frequency * qt_TexCoord0);
gl_FragColor = texture2D(source, qt_TexCoord0 + amplitude *vec2(p.y, -p.x))* qt_Opacity;
}";
}
}
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