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><head><title>glutCopyColormap</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="glutChangeToSubMenu.3GLUT.xml" title="glutChangeToSubMenu"/><link rel="next" href="glutCreateMenu.3GLUT.xml" title="glutCreateMenu"/></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">glutCopyColormap</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glutChangeToSubMenu.3GLUT.xml">Prev</a> </td><th width="60%" align="center">GLUT</th><td width="20%" align="right"> <a accesskey="n" href="glutCreateMenu.3GLUT.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="glutCopyColormap.3GLUT"/><div class="titlepage"/><div class="refnamediv"><a name="glutCopyColormap.3GLUT-name"/><h2>Name</h2><p>glutCopyColormap &#8212; copies the logical colormap for the layer in use from a specified window to the current window.</p></div><div class="refsynopsisdiv"><a name="glutCopyColormap.3GLUT-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void <tt>glutCopyColormap</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="glutCopyColormap.3GLUT-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glutCopyColormap</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code><i><tt>win</tt></i>) &#8594; <tt>None</tt></code></td></tr></table></div><div class="refsect1" lang="en"><a name="glutCopyColormap.3GLUT-parameters"/><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><i><tt>win</tt></i></span></dt><dd>
						The identifier of the window to copy the logical colormap from.
					</dd></dl></div></div><div class="refsect1" lang="en"><a name="glutCopyColormap.3GLUT-description"/><h2>Description</h2><p>
			<tt>glutCopyColormap</tt> copies (lazily if possible to promote sharing) the logical colormap from a
			specified window to the current window's layer in use. The copy will be from the normal plane to the normal plane; or
			from the overlay to the overlay (never across different layers). Once a colormap has been copied, avoid setting cells
			in the colormap with <a href="glutSetColor.3GLUT.xml"><tt>glutSetColor</tt></a> since that will force an actual copy of the
			colormap if it was previously copied by reference. <tt>glutCopyColormap</tt> should only be called when
			both the current window and the win window are color index windows.
		</p></div><div class="refsect1" lang="en"><a name="glutCopyColormap.3GLUT-example"/><h2>Example</h2><p>
			Here is an example of how to create two color index GLUT windows with their colormaps loaded identically and so that
			the windows are likely to share the same colormap:
		</p><pre class="programlisting">int win1, win2;
glutInitDisplayMode(GLUT_INDEX);
win1 = glutCreateWindow("first color index win");
glutSetColor(0, 0.0, 0.0, 0.0); /* black */
glutSetColor(1, 0.5, 0.5, 0.5); /* gray */
glutSetColor(2, 1.0, 1.0, 1.0); /* black */
glutSetColor(3, 1.0, 0.0, 0.0); /* red */
win2 = glutCreateWindow("second color index win");
glutCopyColormap(win1);</pre></div><div class="refsect1" lang="en"><a name="glutCopyColormap.3GLUT-see_also"/><h2>See Also</h2><p>
			<span class="simplelist"><a href="glutSetColor.3GLUT.xml">glutSetColor</a>, <a href="glutGetColor.3GLUT.xml">glutGetColor</a>, <a href="glutCreateWindow.3GLUT.xml">glutCreateWindow</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="glutChangeToSubMenu.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="glutCreateMenu.3GLUT.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glutChangeToSubMenu </td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top"> glutCreateMenu</td></tr></table></div></body></html>