<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qgl.cpp --> <title>Obsolete Members for QGLContext | Qt OpenGL</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 5.12</td><td ><a href="qtopengl-index.html">Qt OpenGL</a></td><td ><a href="qtopengl-module.html">C++ Classes</a></td><td >QGLContext</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtopengl-index.html">Qt 5.12.2 Reference Documentation</a></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">Obsolete Members for QGLContext</h1> <p><b>The following members of class <a href="qglcontext.html">QGLContext</a> are obsolete.</b> They are provided to keep old source code working. We strongly advise against using them in new code.</p> <h2>Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code></td><td class="memItemRight bottomAlign"><b><a href="qglcontext-obsolete.html#QGLContext-1">QGLContext</a></b>(const QGLFormat &<i>format</i>, QPaintDevice *<i>device</i>)</td></tr> </table></div> <h2>Member Function Documentation</h2> <!-- $$$QGLContext$$$QGLContextconstQGLFormat&QPaintDevice* --> <h3 class="fn" id="QGLContext-1"><a name="QGLContext-1"></a>QGLContext::<span class="name">QGLContext</span>(const <span class="type"><a href="qglformat.html">QGLFormat</a></span> &<i>format</i>, <span class="type"><a href="../qtgui/qpaintdevice.html">QPaintDevice</a></span> *<i>device</i>)</h3> <p>This function is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.</p> <p>Constructs an OpenGL context for the given paint <i>device</i>, which can be a widget or a pixmap. The <i>format</i> specifies several display options for the context.</p> <p>If the underlying OpenGL/Window system cannot satisfy all the features requested in <i>format</i>, the nearest subset of features will be used. After creation, the <a href="qglcontext.html#format">format</a>() method will return the actual format obtained.</p> <p>Note that after a <a href="qglcontext.html">QGLContext</a> object has been constructed, <a href="qglcontext.html#create">create</a>() must be called explicitly to create the actual OpenGL context. The context will be <a href="qglcontext.html#isValid">invalid</a> if it was not possible to obtain a GL context at all.</p> <!-- @@@QGLContext --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 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>