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X11R7.4 - man page for xcmssetwhiteadjustproc (x11r4 section 3)

XcmsSetWhitePoint(3)			  XLIB FUNCTIONS		     XcmsSetWhitePoint(3)

NAME
       XcmsSetWhitePoint, XcmsSetWhiteAdjustProc - modifying CCC attributes

SYNTAX
       Status XcmsSetWhitePoint(XcmsCCC ccc, XcmsColor *color);

       XcmsWhiteAdjustProc XcmsSetWhiteAdjustProc(XcmsCCC ccc, XcmsWhiteAdjustProc
	      white_adjust_proc, XPointer client_data);

ARGUMENTS
       ccc	 Specifies the CCC.

       client_data
		 Specifies client data for the white point adjustment procedure or NULL.

       color	 Specifies the new Client White Point.

       white_adjust_proc
		 Specifies the white point adjustment procedure.

DESCRIPTION
       The XcmsSetWhitePoint function changes the Client White Point in the specified CCC.  Note
       that the pixel member is ignored and that the color specification is left unchanged upon
       return.	The format for the new white point must be XcmsCIEXYZFormat, XcmsCIEuvYFormat,
       XcmsCIExyYFormat, or XcmsUndefinedFormat.  If the color argument is NULL, this function
       sets the format component of the Client White Point specification to XcmsUndefinedFormat,
       indicating that the Client White Point is assumed to be the same as the Screen White
       Point.

       This function returns nonzero status if the format for the new white point is valid; oth-
       erwise, it returns zero.

       The XcmsSetWhiteAdjustProc function first sets the white point adjustment procedure and
       client data in the specified CCC with the newly specified procedure and client data and
       then returns the old procedure.

SEE ALSO
       DisplayOfCCC(3X11), XcmsCCCOfColormap(3X11), XcmsConvertColors(3X11), XcmsCreateCCC(3X11),
       XcmsDefaultCCC(3X11)
       Xlib - C Language X Interface

X Version 11				   libX11 1.2.1 		     XcmsSetWhitePoint(3)


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