Specifies the Client White Point. If NULL, the Client White
Point is to be assumed to be the same as the Screen White Point.
Note that the pixel member is ignored.
compression_client_data
Specifies client data for use by the gamut compression
procedure or NULL.
compression_proc
Specifies the gamut compression procedure that is to be applied
when a color lies outside the screen's color gamut. If NULL and
when functions using this CCC must convert a color specification to
a device-dependent format and encounters a color that lies outside
the screen's color gamut, that function will return
XcmsFailure.
screen_number
Specifies the appropriate screen number on the host
server.
visual
Specifies the visual type.
white_adjust_client_data
Specifies client data for use with the white point adjustment
procedure or NULL.
white_adjust_proc
Specifies the white adjustment procedure that is to be applied
when the Client White Point differs from the Screen White Point.
NULL indicates that no white point adjustment is desired.
The XcmsCreateCCC(3) function creates a CCC for the
specified display, screen, and visual.
The XcmsFreeCCC(3) function frees the memory used for
the specified CCC. Note that default CCCs and those currently
associated with colormaps are ignored.