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<h1 class="title">main.qml Example File</h1>
<span class="subtitle">scenegraph/twotextureproviders/main.qml</span>
<!-- $$$scenegraph/twotextureproviders/main.qml-description -->
<div class="descr"> <a name="details"></a>
<pre class="qml">
/****************************************************************************
**
** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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
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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(3.14159265358979323846 * 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."
}
}
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<acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd.
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distrib
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Mageia
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7
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i586
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media
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core-updates
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by-pkgid
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6e2327ca1c896c6d674ae53117299f21
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files
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1680
