MirOS Manual: XcmsSetWhiteAdjustProc(3), XcmsSetWhitePoint(3)

XcmsSetWhitePoint(3X11)  XLIB FUNCTIONS   XcmsSetWhitePoint(3X11)


     XcmsSetWhitePoint, XcmsSetWhiteAdjustProc - modifying CCC


     Status XcmsSetWhitePoint(XcmsCCC ccc, XcmsColor *color);

     XcmsWhiteAdjustProc XcmsSetWhiteAdjustProc(XcmsCCC ccc,
          XcmsWhiteAdjustProc white_adjust_proc, XPointer


     ccc       Specifies the CCC.

               Specifies client data for the white point adjust-
               ment procedure or NULL.

     color     Specifies the new Client White Point.

               Specifies the white point adjustment procedure.


     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; otherwise, 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.


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

XFree86                   Version 4.5.0                         1

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