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<HTML><HEAD><TITLE>Xlib Programming Manual: XFreeColormap</TITLE></HEAD><BODY><H1 ALIGN=center>XFreeColormap</H1><H2>Syntax</H2><!.IN "XFreeColormap" "" "@DEF@"><CODE><PRE>XFreeColormap(<B>display</B>, <B>colormap</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; <A HREF="./#colormap">Colormap</A> <B>colormap</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>colormap</B><TD> Specifies the colormap that you want to destroy.</TABLE><H2>Description</H2>The<B>XFreeColormap()</B>function deletes the association between the colormap resource ID and the colormap and frees the colormap storage.However, this function has no effect on the default colormap for a screen.If the specified colormap is an installed map for a screen,it is uninstalled (see<B><A HREF="../window-and-session-manager/XUninstallColormap.html">XUninstallColormap()</A></B>).If the specified colormap is defined as the colormap for a window (by<B><A HREF="../window/XCreateWindow.html">XCreateWindow()</A></B>,<B><A HREF="../window/XSetWindowColormap.html">XSetWindowColormap()</A></B>,or<B><A HREF="../window/XChangeWindowAttributes.html">XChangeWindowAttributes()</A></B>),<B>XFreeColormap()</B>changes the colormap associated with the window to<B>None</B> and generates a<B><A HREF="../events/colormap-state.html">ColormapNotify</A></B>event.X does not define the colors displayed for a window with a colormap of<B>None</B> .<P><B>XFreeColormap()</B>can generate a<B>BadColor</B> error.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadColor</B><TD> A value for a Colormap argument does not name a defined Colormap.</TABLE><H2>See also</H2><B><A HREF="XAllocColor.html">XAllocColor()</A></B>,<B><A HREF="../window/XChangeWindowAttributes.html">XChangeWindowAttributes()</A></B>,<B><A HREF="XCopyColormapAndFree.html">XCopyColormapAndFree()</A></B>,<B><A HREF="XCreateColormap.html">XCreateColormap()</A></B>,<B><A HREF="../window/XCreateWindow.html">XCreateWindow()</A></B>,<B><A HREF="XQueryColor.html">XQueryColor()</A></B>,<B><A HREF="XStoreColors.html">XStoreColors()</A></B>,"<A HREF="colormap.html">Creating, Copying, and Destroying Colormaps</A>".<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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