<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qopenglvertexarrayobject.cpp --> <title>Binder Class | Qt GUI 5.12.6</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="qtgui-index.html">Qt GUI</a></td><td ><a href="qtgui-module.html">C++ Classes</a></td><td >Binder</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtgui-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">Binder Class</h1> <span class="small-subtitle">(<a href="qopenglvertexarrayobject-binder.html">QOpenGLVertexArrayObject::Binder</a>)<br/></span> <!-- $$$Binder-brief --> <p>The <a href="qopenglvertexarrayobject-binder.html">QOpenGLVertexArrayObject::Binder</a> class is a convenience class to help with the binding and releasing of OpenGL Vertex Array Objects. <a href="#details">More...</a></p> <!-- @@@Binder --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <Binder></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += gui</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.1</td></tr></table></div><ul> <li><a href="qopenglvertexarrayobject-binder-members.html">List of all members, including inherited members</a></li> </ul> <p><b>Note:</b> All functions in this class are reentrant.</p> <a name="public-functions"></a> <h2 id="public-functions">Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qopenglvertexarrayobject-binder.html#Binder">Binder</a></b>(QOpenGLVertexArrayObject *<i>v</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qopenglvertexarrayobject-binder.html#dtor.Binder">~Binder</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qopenglvertexarrayobject-binder.html#rebind">rebind</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qopenglvertexarrayobject-binder.html#release">release</a></b>()</td></tr> </table></div> <a name="details"></a> <!-- $$$Binder-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qopenglvertexarrayobject-binder.html">QOpenGLVertexArrayObject::Binder</a> class is a convenience class to help with the binding and releasing of OpenGL Vertex Array Objects.</p> <p><a href="qopenglvertexarrayobject-binder.html">QOpenGLVertexArrayObject::Binder</a> is a simple convenience class that can be used to assist with the binding and releasing of <a href="qopenglvertexarrayobject.html">QOpenGLVertexArrayObject</a> instances. This class is to <a href="qopenglvertexarrayobject.html">QOpenGLVertexArrayObject</a> as <a href="../qtcore/qmutexlocker.html">QMutexLocker</a> is to <a href="../qtcore/qmutex.html">QMutex</a>.</p> <p>This class implements the RAII principle which helps to ensure behavior in complex code or in the presence of exceptions.</p> <p>The constructor of this class accepts a <a href="qopenglvertexarrayobject.html">QOpenGLVertexArrayObject</a> (VAO) as an argument and attempts to bind the VAO, calling <a href="qopenglvertexarrayobject.html#create">QOpenGLVertexArrayObject::create</a>() if necessary. The destructor of this class calls <a href="qopenglvertexarrayobject.html#release">QOpenGLVertexArrayObject::release</a>() which unbinds the VAO.</p> <p>If needed the VAO can be temporarily unbound with the <a href="qopenglvertexarrayobject-binder.html#release">release</a>() function and bound once more with <a href="qopenglvertexarrayobject-binder.html#rebind">rebind</a>().</p> </div> <p><b>See also </b><a href="qopenglvertexarrayobject.html">QOpenGLVertexArrayObject</a>.</p> <!-- @@@Binder --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$Binder[overload1]$$$BinderQOpenGLVertexArrayObject* --> <h3 class="fn" id="Binder"><a name="Binder"></a>Binder::<span class="name">Binder</span>(<span class="type"><a href="qopenglvertexarrayobject.html#QOpenGLVertexArrayObject">QOpenGLVertexArrayObject</a></span> *<i>v</i>)</h3> <p>Creates a <a href="qopenglvertexarrayobject-binder.html">QOpenGLVertexArrayObject::Binder</a> object and binds <i>v</i> by calling <a href="qopenglvertexarrayobject.html#bind">QOpenGLVertexArrayObject::bind</a>(). If necessary it first calls <a href="qopenglvertexarrayobject.html#create">QOpenGLVertexArrayObject::create</a>().</p> <!-- @@@Binder --> <!-- $$$~Binder[overload1]$$$~Binder --> <h3 class="fn" id="dtor.Binder"><a name="dtor.Binder"></a>Binder::<span class="name">~Binder</span>()</h3> <p>Destroys the <a href="qopenglvertexarrayobject-binder.html">QOpenGLVertexArrayObject::Binder</a> and releases the associated vertex array object.</p> <!-- @@@~Binder --> <!-- $$$rebind[overload1]$$$rebind --> <h3 class="fn" id="rebind"><a name="rebind"></a><span class="type">void</span> Binder::<span class="name">rebind</span>()</h3> <p>Can be used to rebind the associated vertex array object.</p> <p><b>See also </b><a href="qopenglvertexarrayobject-binder.html#release">release</a>().</p> <!-- @@@rebind --> <!-- $$$release[overload1]$$$release --> <h3 class="fn" id="release"><a name="release"></a><span class="type">void</span> Binder::<span class="name">release</span>()</h3> <p>Can be used to temporarily release the associated vertex array object.</p> <p><b>See also </b><a href="qopenglvertexarrayobject-binder.html#rebind">rebind</a>().</p> <!-- @@@release --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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