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Status XcmsQueryColor\^(\^Display *display\^, Colormap colormap\^, XcmsColor *color_in_out\^, XcmsColorFormat result_format\^);
Status XcmsQueryColors\^(\^Display *display\^, Colormap colormap\^, XcmsColor colors_in_out\^[\^]\^, unsigned int ncolors\^, XcmsColorFormat result_format\^);
Status XcmsLookupColor\^(\^Display *display\^, Colormap colormap\^, _Xconst char *color_string\^, XcmsColor *color_exact_return\^, XcmsColor *color_screen_return\^, XcmsColorFormat result_format\^);
XcmsQueryColor and XcmsQueryColors can generate BadColor and BadValue errors.
The XcmsLookupColor function looks up the string name of a color with respect to the screen associated with the specified colormap. It returns both the exact color values and the closest values provided by the screen with respect to the visual type of the specified colormap. The values are returned in the format specified by result_format. If the color name is not in the Host Portable Character Encoding, the result is implementation-dependent. Use of uppercase or lowercase does not matter. XcmsLookupColor returns XcmsSuccess or XcmsSuccessWithCompression if the name is resolved; otherwise, it returns XcmsFailure . If XcmsSuccessWithCompression is returned, the color specification returned in color_screen_return is the result of gamut compression.
1i BadColor A value for a Colormap argument does not name a defined Colormap.
1i BadValue Some numeric value falls outside the range of values accepted by the request. Unless a specific range is specified for an argument, the full range defined by the argument's type is accepted. Any argument defined as a set of alternatives can generate this error.
\*(xL