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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 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, 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.
+**
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+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;
+ }"
+ }
+}