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+/****************************************************************************
+**
+** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+import SceneGraphRendering 1.0
+
+Item {
+ id: root
+
+ // The checkers background
+ ShaderEffect {
+ anchors.fill: parent
+
+ property real tileSize: 16
+ property color color1: Qt.rgba(0.9, 0.9, 0.9, 1);
+ property color color2: Qt.rgba(0.8, 0.8, 0.8, 1);
+
+ property size pixelSize: Qt.size(width / tileSize, height / tileSize);
+
+ fragmentShader:
+ "
+ uniform lowp vec4 color1;
+ uniform lowp vec4 color2;
+ uniform highp vec2 pixelSize;
+ varying highp vec2 qt_TexCoord0;
+ void main() {
+ highp vec2 tc = sign(sin(3.14152 * qt_TexCoord0 * pixelSize));
+ if (tc.x != tc.y)
+ gl_FragColor = color1;
+ else
+ gl_FragColor = color2;
+ }
+ "
+ }
+
+ width: 320
+ height: 480
+
+ Item {
+ id: box
+ width: root.width * 0.9
+ height: width
+
+ Rectangle {
+ anchors.centerIn: parent
+ width: parent.width * 0.9
+ height: parent.width * 0.4
+ radius: width * 0.1;
+ gradient: Gradient {
+ GradientStop { position: 0; color: Qt.hsla(0.6, 0.9, 0.9, 1); }
+ GradientStop { position: 1; color: Qt.hsla(0.6, 0.6, 0.3, 1); }
+ }
+ RotationAnimator on rotation { from: 0; to: 360; duration: 10000; loops: Animation.Infinite }
+ }
+
+ visible: false
+ layer.enabled: true
+ }
+
+ Item {
+ id: text
+ width: box.width
+ height: width
+ Text {
+ anchors.centerIn: parent
+ color: "black" // Qt.hsla(0.8, 0.8, 0.8);
+ text: "Qt\nQuick"
+
+ horizontalAlignment: Text.AlignHCenter
+
+ font.bold: true
+ font.pixelSize: text.width * 0.25
+ RotationAnimator on rotation { from: 360; to: 0; duration: 9000; loops: Animation.Infinite }
+ }
+ visible: false
+ layer.enabled: true
+ }
+
+ XorBlender {
+ anchors.horizontalCenter: parent.horizontalCenter
+ y: root.height * 0.05;
+ width: box.width
+ height: box.height
+ source1: box
+ source2: text
+ }
+
+ Rectangle {
+ id: labelFrame
+ anchors.margins: -10
+ radius: 10
+ color: "white"
+ border.color: "black"
+ opacity: 0.8
+ anchors.fill: description
+ }
+
+ Text {
+ id: description
+ anchors.left: parent.left
+ anchors.right: parent.right
+ anchors.bottom: parent.bottom
+ anchors.margins: 20
+ wrapMode: Text.WordWrap
+ text: "This example creates two animated items and sets 'layer.enabled: true' on both of them. " +
+ "This turns the items into texture providers and we can access their texture from C++ in a custom material. " +
+ "The XorBlender is a custom C++ item which uses performs an Xor blend between them."
+ }
+}