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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
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
}
}
}
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