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| ** |
| ** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org> |
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| ** This file is part of the examples of the Qt Toolkit. |
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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." |
| } |
| } |