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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
Rectangle {
id: window
width: 400
height: 200
gradient: Gradient {
GradientStop { position: 0; color: "lightsteelblue" }
GradientStop { position: 1; color: "black" }
}
Column {
id: column
opacity: 0.99 // work around QTBUG-29037
y: 50
width: 200
anchors.horizontalCenter: parent.horizontalCenter
TextBox {
id: input1
width: parent.width
height: 30
focus: true
label: "A QML text box.."
nextInFocus: input2;
}
TextBox {
id: input2
width: parent.width
height: 30
label: "Another QML text box.."
nextInFocus: input1;
}
layer.enabled: true
layer.smooth: true
}
ShaderEffect {
anchors.top: column.bottom
width: column.width
height: column.height;
anchors.left: column.left
property variant source: column;
property size sourceSize: Qt.size(0.5 / column.width, 0.5 / column.height);
fragmentShader: "
varying highp vec2 qt_TexCoord0;
uniform lowp sampler2D source;
uniform lowp vec2 sourceSize;
uniform lowp float qt_Opacity;
void main() {
lowp vec2 tc = qt_TexCoord0 * vec2(1, -1) + vec2(0, 1);
lowp vec4 col = 0.25 * (texture2D(source, tc + sourceSize)
+ texture2D(source, tc- sourceSize)
+ texture2D(source, tc + sourceSize * vec2(1, -1))
+ texture2D(source, tc + sourceSize * vec2(-1, 1))
);
gl_FragColor = col * qt_Opacity * (1.0 - qt_TexCoord0.y) * 0.2;
}"
}
}
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