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<?xml version="1.0" encoding="ISO-8859-1"?>
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><head><title>glutPostRedisplay</title><link rel="stylesheet" href="style.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.59.1"/><link rel="home" href="index.xml" title="PyOpenGL 2.0.1.07 Man Pages"/><link rel="up" href="reference-GLUT.xml" title="GLUT"/><link rel="previous" href="glutPostOverlayRedisplay.3GLUT.xml" title="glutPostOverlayRedisplay"/><link rel="next" href="glutRemoveMenuItem.3GLUT.xml" title="glutRemoveMenuItem"/></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">glutPostRedisplay</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glutPostOverlayRedisplay.3GLUT.xml">Prev</a></td><th width="60%" align="center">GLUT</th><td width="20%" align="right"><a accesskey="n" href="glutRemoveMenuItem.3GLUT.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="glutPostRedisplay.3GLUT"/><div class="titlepage"/><div class="refnamediv"><a name="glutPostRedisplay.3GLUT-name"/><h2>Name</h2><p>glutPostRedisplay, glutPostWindowRedisplay — marks the current or specified window as needing to be redisplayed.</p></div><div class="refsynopsisdiv"><a name="glutPostRedisplay.3GLUT-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void<tt>glutPostRedisplay</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>);</code></td></tr></table><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void<tt>glutPostWindowRedisplay</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>int<i><tt>win</tt></i>);</code></td></tr></table></div><div class="refsynopsisdiv"><a name="glutPostRedisplay.3GLUT-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glutPostRedisplay</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>) →<tt>None</tt></code></td></tr></table><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glutPostWindowRedisplay</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code><i><tt>win</tt></i>) →<tt>None</tt></code></td></tr></table></div><div class="refsect1" lang="en"><a name="glutPostRedisplay.3GLUT-description"/><h2>Description</h2><p>
<tt>glutPostRedisplay</tt> marks the normal plane of current window as needing to be redisplayed.
<tt>glutPostWindowRedisplay</tt> works the specified window as needing to be redisplayed. After either
call, the next iteration through <a href="glutMainLoop.3GLUT.xml"><tt>glutMainLoop</tt></a>, the window's display callback
will be called to redisplay the window's normal plane. Multiple calls to <tt>glutPostRedisplay</tt> before
the next display callback opportunity generates only a single redisplay callback.
<tt>glutPostRedisplay</tt> may be called within a window's display or overlay display callback to re-mark
that window for redisplay.
</p><p>
Logically, normal plane damage notification for a window is treated as a <tt>glutPostRedisplay</tt> on the
damaged window. Unlike damage reported by the window system, <tt>glutPostRedisplay</tt> will not set to
true the normal plane's damaged status (returned by <tt>glutLayerGet(GLUT_NORMAL_DAMAGED)</tt>.
</p><p>
If the window you want to post a redisplay on is not already current (and you do not require it to be immediately made
current), using <tt>glutPostWindowRedisplay</tt> is more efficient that calling <a href="glutSetWindow.3GLUT.xml"><tt>glutSetWindow</tt></a> to the desired window and then calling
<tt>glutPostRedisplay</tt>.
</p></div><div class="refsect1" lang="en"><a name="glutPostRedisplay.3GLUT-see_also"/><h2>See Also</h2><p>
<span class="simplelist"><a href="glutPostOverlayRedisplay.3GLUT.xml">glutPostOverlayRedisplay</a>, <a href="glutDisplayFunc.3GLUT.xml">glutDisplayFunc</a></span>
</p></div></div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="glutPostOverlayRedisplay.3GLUT.xml">Prev</a></td><td width="20%" align="center"><a accesskey="u" href="reference-GLUT.xml">Up</a></td><td width="40%" align="right"><a accesskey="n" href="glutRemoveMenuItem.3GLUT.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glutPostOverlayRedisplay</td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top">glutRemoveMenuItem</td></tr></table></div></body></html>
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