<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>shadereffects.qml Example File | Qt Quick 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-shadereffects-example.html">Qt Quick Examples - Shader Effects</a></td><td >shadereffects.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">shadereffects.qml Example File</h1> <span class="subtitle">shadereffects/shadereffects.qml</span> <!-- $$$shadereffects/shadereffects.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQuick module 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 ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> import QtQuick 2.0 import QtQml.Models 2.1 import "content" <span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> { <span class="name">id</span>: <span class="name">root</span> <span class="name">width</span>: <span class="number">320</span> <span class="name">height</span>: <span class="number">480</span> property <span class="type">color</span> <span class="name">col</span>: <span class="string">"lightsteelblue"</span> <span class="name">gradient</span>: <span class="name">Gradient</span> { <span class="type"><a href="qml-qtquick-gradientstop.html">GradientStop</a></span> { <span class="name">position</span>: <span class="number">0.0</span>; <span class="name">color</span>: <span class="name">Qt</span>.<span class="name">tint</span>(<span class="name">root</span>.<span class="name">col</span>, <span class="string">"#20FFFFFF"</span>) } <span class="type"><a href="qml-qtquick-gradientstop.html">GradientStop</a></span> { <span class="name">position</span>: <span class="number">0.1</span>; <span class="name">color</span>: <span class="name">Qt</span>.<span class="name">tint</span>(<span class="name">root</span>.<span class="name">col</span>, <span class="string">"#20AAAAAA"</span>) } <span class="type"><a href="qml-qtquick-gradientstop.html">GradientStop</a></span> { <span class="name">position</span>: <span class="number">0.9</span>; <span class="name">color</span>: <span class="name">Qt</span>.<span class="name">tint</span>(<span class="name">root</span>.<span class="name">col</span>, <span class="string">"#20666666"</span>) } <span class="type"><a href="qml-qtquick-gradientstop.html">GradientStop</a></span> { <span class="name">position</span>: <span class="number">1.0</span>; <span class="name">color</span>: <span class="name">Qt</span>.<span class="name">tint</span>(<span class="name">root</span>.<span class="name">col</span>, <span class="string">"#20000000"</span>) } } <span class="type"><a href="qml-qtquick-shadereffectsource.html">ShaderEffectSource</a></span> { <span class="name">id</span>: <span class="name">theSource</span> <span class="name">sourceItem</span>: <span class="name">theItem</span> } <span class="keyword">function</span> <span class="name">saturate</span>(<span class="name">x</span>) { <span class="keyword">return</span> <span class="name">Math</span>.<span class="name">min</span>(<span class="name">Math</span>.<span class="name">max</span>(<span class="name">x</span>, <span class="number">0</span>), <span class="number">1</span>) } <span class="keyword">function</span> <span class="name">sliderToColor</span>(<span class="name">x</span>) { <span class="keyword">return</span> <span class="name">Qt</span>.<span class="name">rgba</span>(<span class="name">saturate</span>(<span class="name">Math</span>.<span class="name">max</span>(<span class="number">2</span> <span class="operator">-</span> <span class="number">6</span> <span class="operator">*</span> <span class="name">x</span>, <span class="number">6</span> <span class="operator">*</span> <span class="name">x</span> <span class="operator">-</span> <span class="number">4</span>)), <span class="name">saturate</span>(<span class="name">Math</span>.<span class="name">min</span>(<span class="number">6</span> <span class="operator">*</span> <span class="name">x</span>, <span class="number">4</span> <span class="operator">-</span> <span class="number">6</span> <span class="operator">*</span> <span class="name">x</span>)), <span class="name">saturate</span>(<span class="name">Math</span>.<span class="name">min</span>(<span class="number">6</span> <span class="operator">*</span> <span class="name">x</span> <span class="operator">-</span> <span class="number">2</span>, <span class="number">6</span> <span class="operator">-</span> <span class="number">6</span> <span class="operator">*</span> <span class="name">x</span>))) } <span class="type"><a href="qml-qtquick-grid.html">Grid</a></span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span> <span class="name">columns</span>: <span class="number">2</span> <span class="type"><a href="qml-qtquick-item.html">Item</a></span> { <span class="name">id</span>: <span class="name">theItem</span> <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">160</span> <span class="type"><a href="qml-qtquick-listview.html">ListView</a></span> { <span class="name">anchors</span>.centerIn: <span class="name">parent</span> <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">140</span> <span class="name">clip</span>: <span class="number">true</span> <span class="name">snapMode</span>: <span class="name">ListView</span>.<span class="name">SnapOneItem</span> <span class="name">model</span>: <span class="name">ObjectModel</span> { <span class="type"><a href="qml-qtquick-text.html">Text</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">140</span> <span class="name">horizontalAlignment</span>: <span class="name">Text</span>.<span class="name">AlignHCenter</span> <span class="name">verticalAlignment</span>: <span class="name">Text</span>.<span class="name">AlignVCenter</span> <span class="name">font</span>.pixelSize: <span class="number">118</span> <span class="name">font</span>.family: <span class="string">"Times"</span> <span class="name">color</span>: <span class="string">"blue"</span> <span class="name">text</span>: <span class="string">"Qt"</span> } <span class="type"><a href="qml-qtquick-image.html">Image</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">140</span> <span class="name">source</span>: <span class="string">"content/qt-logo.png"</span> } <span class="type"><a href="qml-qtquick-image.html">Image</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">140</span> <span class="name">source</span>: <span class="string">"content/face-smile.png"</span> } } } } <span class="type"><a href="qml-qtquick-shadereffect.html">ShaderEffect</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">160</span> property <span class="type">variant</span> <span class="name">source</span>: <span class="name">theSource</span> property <span class="type">real</span> <span class="name">amplitude</span>: <span class="number">0.04</span> <span class="operator">*</span> <span class="name">wobbleSlider</span>.<span class="name">value</span> property <span class="type">real</span> <span class="name">frequency</span>: <span class="number">20</span> property <span class="type">real</span> <span class="name">time</span>: <span class="number">0</span> NumberAnimation on <span class="name">time</span> { <span class="name">loops</span>: <span class="name">Animation</span>.<span class="name">Infinite</span>; <span class="name">from</span>: <span class="number">0</span>; <span class="name">to</span>: <span class="name">Math</span>.<span class="name">PI</span> <span class="operator">*</span> <span class="number">2</span>; <span class="name">duration</span>: <span class="number">600</span> } <span class="name">fragmentShader</span>: <span class="string">"qrc:shadereffects/content/shaders/wobble.frag"</span> <span class="type">Slider</span> { <span class="name">id</span>: <span class="name">wobbleSlider</span> <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span> <span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span> <span class="name">height</span>: <span class="number">40</span> } } <span class="type"><a href="qml-qtquick-shadereffect.html">ShaderEffect</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">160</span> property <span class="type">variant</span> <span class="name">source</span>: <span class="name">theSource</span> property <span class="type">variant</span> <span class="name">shadow</span>: <span class="name">ShaderEffectSource</span> { <span class="name">sourceItem</span>: <span class="name">ShaderEffect</span> { <span class="name">width</span>: <span class="name">theItem</span>.<span class="name">width</span> <span class="name">height</span>: <span class="name">theItem</span>.<span class="name">height</span> property <span class="type">variant</span> <span class="name">delta</span>: <span class="name">Qt</span>.<span class="name">size</span>(<span class="number">0.0</span>, <span class="number">1.0</span> <span class="operator">/</span> <span class="name">height</span>) property <span class="type">variant</span> <span class="name">source</span>: <span class="name">ShaderEffectSource</span> { <span class="name">sourceItem</span>: <span class="name">ShaderEffect</span> { <span class="name">width</span>: <span class="name">theItem</span>.<span class="name">width</span> <span class="name">height</span>: <span class="name">theItem</span>.<span class="name">height</span> property <span class="type">variant</span> <span class="name">delta</span>: <span class="name">Qt</span>.<span class="name">size</span>(<span class="number">1.0</span> <span class="operator">/</span> <span class="name">width</span>, <span class="number">0.0</span>) property <span class="type">variant</span> <span class="name">source</span>: <span class="name">theSource</span> <span class="name">fragmentShader</span>: <span class="string">"qrc:shadereffects/content/shaders/blur.frag"</span> } } <span class="name">fragmentShader</span>: <span class="string">"qrc:shadereffects/content/shaders/blur.frag"</span> } } property <span class="type">real</span> <span class="name">angle</span>: <span class="number">0</span> property <span class="type">variant</span> <span class="name">offset</span>: <span class="name">Qt</span>.<span class="name">point</span>(<span class="number">15.0</span> <span class="operator">*</span> <span class="name">Math</span>.<span class="name">cos</span>(<span class="name">angle</span>), <span class="number">15.0</span> <span class="operator">*</span> <span class="name">Math</span>.<span class="name">sin</span>(<span class="name">angle</span>)) NumberAnimation on <span class="name">angle</span> { <span class="name">loops</span>: <span class="name">Animation</span>.<span class="name">Infinite</span>; <span class="name">from</span>: <span class="number">0</span>; <span class="name">to</span>: <span class="name">Math</span>.<span class="name">PI</span> <span class="operator">*</span> <span class="number">2</span>; <span class="name">duration</span>: <span class="number">6000</span> } property <span class="type">variant</span> <span class="name">delta</span>: <span class="name">Qt</span>.<span class="name">size</span>(<span class="name">offset</span>.<span class="name">x</span> <span class="operator">/</span> <span class="name">width</span>, <span class="name">offset</span>.<span class="name">y</span> <span class="operator">/</span> <span class="name">height</span>) property <span class="type">real</span> <span class="name">darkness</span>: <span class="name">shadowSlider</span>.<span class="name">value</span> <span class="name">fragmentShader</span>: <span class="string">"qrc:shadereffects/content/shaders/shadow.frag"</span> <span class="type">Slider</span> { <span class="name">id</span>: <span class="name">shadowSlider</span> <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span> <span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span> <span class="name">height</span>: <span class="number">40</span> } } <span class="type"><a href="qml-qtquick-shadereffect.html">ShaderEffect</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">160</span> property <span class="type">variant</span> <span class="name">source</span>: <span class="name">theSource</span> property <span class="type">variant</span> <span class="name">delta</span>: <span class="name">Qt</span>.<span class="name">size</span>(<span class="number">0.5</span> <span class="operator">/</span> <span class="name">width</span>, <span class="number">0.5</span> <span class="operator">/</span> <span class="name">height</span>) <span class="name">fragmentShader</span>: <span class="string">"qrc:shadereffects/content/shaders/outline.frag"</span> } <span class="type"><a href="qml-qtquick-shadereffect.html">ShaderEffect</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">160</span> property <span class="type">variant</span> <span class="name">source</span>: <span class="name">theSource</span> property <span class="type">color</span> <span class="name">tint</span>: <span class="name">root</span>.<span class="name">sliderToColor</span>(<span class="name">colorizeSlider</span>.<span class="name">value</span>) <span class="name">fragmentShader</span>: <span class="string">"qrc:shadereffects/content/shaders/colorize.frag"</span> <span class="type">Slider</span> { <span class="name">id</span>: <span class="name">colorizeSlider</span> <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span> <span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span> <span class="name">height</span>: <span class="number">40</span> } } <span class="type"><a href="qml-qtquick-shadereffect.html">ShaderEffect</a></span> { <span class="name">width</span>: <span class="number">160</span> <span class="name">height</span>: <span class="number">160</span> property <span class="type">variant</span> <span class="name">source</span>: <span class="name">theSource</span> property <span class="type">real</span> <span class="name">bend</span>: <span class="number">0</span> property <span class="type">real</span> <span class="name">minimize</span>: <span class="number">0</span> property <span class="type">real</span> <span class="name">side</span>: <span class="name">genieSlider</span>.<span class="name">value</span> SequentialAnimation on <span class="name">bend</span> { <span class="name">loops</span>: <span class="name">Animation</span>.<span class="name">Infinite</span> <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">to</span>: <span class="number">1</span>; <span class="name">duration</span>: <span class="number">700</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutSine</span> } <span class="type"><a href="qml-qtquick-pauseanimation.html">PauseAnimation</a></span> { <span class="name">duration</span>: <span class="number">1600</span> } <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">to</span>: <span class="number">0</span>; <span class="name">duration</span>: <span class="number">700</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutSine</span> } <span class="type"><a href="qml-qtquick-pauseanimation.html">PauseAnimation</a></span> { <span class="name">duration</span>: <span class="number">1000</span> } } SequentialAnimation on <span class="name">minimize</span> { <span class="name">loops</span>: <span class="name">Animation</span>.<span class="name">Infinite</span> <span class="type"><a href="qml-qtquick-pauseanimation.html">PauseAnimation</a></span> { <span class="name">duration</span>: <span class="number">300</span> } <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">to</span>: <span class="number">1</span>; <span class="name">duration</span>: <span class="number">700</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutSine</span> } <span class="type"><a href="qml-qtquick-pauseanimation.html">PauseAnimation</a></span> { <span class="name">duration</span>: <span class="number">1000</span> } <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">to</span>: <span class="number">0</span>; <span class="name">duration</span>: <span class="number">700</span>; <span class="name">easing</span>.type: <span class="name">Easing</span>.<span class="name">InOutSine</span> } <span class="type"><a href="qml-qtquick-pauseanimation.html">PauseAnimation</a></span> { <span class="name">duration</span>: <span class="number">1300</span> } } <span class="name">mesh</span>: <span class="name">Qt</span>.<span class="name">size</span>(<span class="number">10</span>, <span class="number">10</span>) <span class="name">vertexShader</span>: <span class="string">"qrc:shadereffects/content/shaders/genie.vert"</span> <span class="type">Slider</span> { <span class="name">id</span>: <span class="name">genieSlider</span> <span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span> <span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span> <span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span> <span class="name">height</span>: <span class="number">40</span> } } } } </pre> </div> <!-- @@@shadereffects/shadereffects.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>