/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
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** GNU Lesser General Public License Usage
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** 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:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** 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
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** file. Please review the following information to ensure the GNU General
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****************************************************************************/
import QtQuick 1.0
import Qt.labs.shaders 1.0

Rectangle {
    anchors.fill: parent;
    color: "green"

    Timer {
        running: true
        interval: 2000
        repeat: true
        onTriggered: {
            //theSource.hideOriginal = !theSource.hideOriginal
            theSource.hideSource = !theSource.hideSource
        }
    }

    Rectangle {
        id: redRect
        anchors.fill: parent;
        color: "red"
    }

    ShaderEffectSource {
        id: theSource
        sourceItem: redRect
    }

    ShaderEffectItem {
        id: effect
        anchors.fill: parent;
        property variant source: theSource

        fragmentShader: "
        varying highp vec2 qt_TexCoord0;
        uniform sampler2D source;
        void main() {
            // Empty fragmentshader, we do not write any pixels via this effect item. We only observe hideoriginal functionality.
        }
        "
    }

    Rectangle {
        width: parent.width
        height: 40
        color: "#cc000000"

        Text {
             id: label
             anchors.centerIn:  parent
             //text: theSource.hideOriginal ? "Hideoriginal true (display should be green)" : "Hideoriginal false (display should be red)"
             text: theSource.hideSource ? "HideSource true (display should be green)" : "HideSource false (display should be red)"
             color: "white"
             font.bold: true
        }
   }
}