<?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>grad.js Example File | Qt Script</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 ><a href="../qtdoc/index.html">Qt 5.11</a></td><td ><a href="qtscript-index.html">Qt Script</a></td><td ><a href="qtscript-script-context2d-example.html">Context2D Example</a></td><td >grad.js Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.11.2 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">grad.js Example File</h1> <span class="subtitle">script/context2d/scripts/grad.js</span> <!-- $$$script/context2d/scripts/grad.js-description --> <div class="descr"> <a name="details"></a> <pre class="js"> var <span class="name">ctx</span> = <span class="name">document</span>.<span class="name">getElementById</span>(<span class="string">'tutorial'</span>).<span class="name">getContext</span>(<span class="string">'2d'</span>); <span class="comment">// Create gradients</span> var <span class="name">lingrad</span> = <span class="name">ctx</span>.<span class="name">createLinearGradient</span>(<span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>,<span class="number">150</span>); <span class="name">lingrad</span>.<span class="name">addColorStop</span>(<span class="number">0</span>, <span class="string">'#00ABEB'</span>); <span class="name">lingrad</span>.<span class="name">addColorStop</span>(<span class="number">0.5</span>, <span class="string">'#fff'</span>); <span class="name">lingrad</span>.<span class="name">addColorStop</span>(<span class="number">0.5</span>, <span class="string">'#66CC00'</span>); <span class="name">lingrad</span>.<span class="name">addColorStop</span>(<span class="number">1</span>, <span class="string">'#fff'</span>); var <span class="name">lingrad2</span> = <span class="name">ctx</span>.<span class="name">createLinearGradient</span>(<span class="number">0</span>,<span class="number">50</span>,<span class="number">0</span>,<span class="number">95</span>); <span class="name">lingrad2</span>.<span class="name">addColorStop</span>(<span class="number">0.5</span>, <span class="string">'#000'</span>); <span class="name">lingrad2</span>.<span class="name">addColorStop</span>(<span class="number">1</span>, <span class="string">'rgba(0,0,0,0)'</span>); <span class="comment">// assign gradients to fill and stroke styles</span> <span class="name">ctx</span>.<span class="name">fillStyle</span> <span class="operator">=</span> <span class="name">lingrad</span>; <span class="name">ctx</span>.<span class="name">strokeStyle</span> <span class="operator">=</span> <span class="name">lingrad2</span>; <span class="comment">// draw shapes</span> <span class="name">ctx</span>.<span class="name">fillRect</span>(<span class="number">10</span>,<span class="number">10</span>,<span class="number">130</span>,<span class="number">130</span>); <span class="name">ctx</span>.<span class="name">strokeRect</span>(<span class="number">50</span>,<span class="number">50</span>,<span class="number">50</span>,<span class="number">50</span>); </pre> </div> <!-- @@@script/context2d/scripts/grad.js --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2018 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>