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<HTML><HEAD><TITLE>Xlib Programming Manual: XGetStandardColormap</TITLE></HEAD><BODY><H1 ALIGN=center>XGetStandardColormap</H1>This function has been superseded by<B><A HREF="../../ICC/standard-colormaps/XGetRGBColormaps.html">XGetRGBColormaps()</A></B>.<H2>Syntax</H2><!.IN "XGetStandardColormap" "" "@DEF@"><CODE><PRE>Status XGetStandardColormap(<I>display</I>, <I>w</I>, <I>colormap_return</I>, <I>property</I>) <A HREF="../../display/opening.html#Display">Display</A> *<I>display</I>; Window <I>w</I>; <B><A HREF="../../ICC/standard-colormaps/#XStandardColormap">XStandardColormap</A></B> *<I>colormap_return</I>; Atom <I>property</I>; /* RGB_BEST_MAP, etc. */</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <I>display</I><TD> Specifies the connection to the X server.<TR><TD> <I>w</I><TD> Specifies the window.<TR><TD> <I>colormap_return</I><TD> Returns the colormap associated with the specified atom.<TR><TD> <I>property</I><TD> Specifies the property name.</TABLE><H2>Description</H2>The<B>XGetStandardColormap()</B>function returns the colormap definition associated with the atom suppliedas the property argument.<B>XGetStandardColormap()</B>returns a nonzero status if successful and zero otherwise.For example,to fetch the standard<B><A HREF="../../window/visual-types.html">GrayScale</A></B>colormap for a display,you use<B>XGetStandardColormap()</B>with the following syntax:<CODE><PRE>XGetStandardColormap(dpy, DefaultRootWindow(dpy), &cmap, XA_RGB_GRAY_MAP);</PRE></CODE>See section "<A HREF="../../ICC/standard-colormaps/">Standard Colormaps</A>" for the semantics of standard colormaps.<P><B>XGetStandardColormap()</B>can generate<B>BadAtom</B>and<B>BadWindow</B> errors.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadAtom</B><TD> A value for an Atom argument does not name a defined Atom.<TR><TD><B>BadWindow</B><TD>A value for a Window argument does not name a defined Window.</TABLE><H2>See also</H2>"<A HREF="d.html">Compatibility Functions</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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