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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QML Shaders plugin of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 1.0
import Qt.labs.shaders 1.0
Rectangle {
anchors.fill: parent;
color: "white"
Timer {
running: true
interval: 2000
repeat: true
onTriggered: {
effect.fragmentShader == effect.redFragmentShader ? effect.fragmentShader = effect.greenFragmentShader : effect.fragmentShader = effect.redFragmentShader
}
}
ShaderEffectItem {
id: effect
anchors.fill: parent;
property string redFragmentShader: "
varying highp vec2 qt_TexCoord0;
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
"
property string greenFragmentShader: "
varying highp vec2 qt_TexCoord0;
void main() {
gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
}
"
fragmentShader: redFragmentShader
}
Rectangle {
width: parent.width
height: 40
color: "#cc000000"
Text {
id: label
anchors.centerIn: parent
text: effect.fragmentShader == effect.redFragmentShader ? "Effect (display should be red)" : "Effect (display should be green)"
color: "white"
font.bold: true
}
}
}
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