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<td >Qt 5.9</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>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">Binder Class</h1>
<span class="small-subtitle">(<a href="qopenglvertexarrayobject-binder.html">QOpenGLVertexArrayObject::Binder</a>)<br/></span>
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<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>
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<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>
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<p><b>Note:</b> All functions in this class are reentrant.</p>
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<h2 id="public-functions">Public Functions</h2>
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<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>
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<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>
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<p><b>See also </b><a href="qopenglvertexarrayobject.html">QOpenGLVertexArrayObject</a>.</p>
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<h2>Member Function Documentation</h2>
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<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>
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<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>
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<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>
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<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>
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