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XcmsSetWhitePoint(3X11)
X11R6
NAME
  XcmsSetWhitePoint, XcmsSetWhiteAdjustProc - modifying CCC attributes

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

  XcmsWhiteAdjustProc XcmsSetWhiteAdjustProc(ccc, white_adjust_proc,
  client_data)
	  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; 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.

SEE ALSO
  DisplayOfCCC(3X11), XcmsCCCOfColormap(3X11), XcmsConvertColors(3X11),
  XcmsCreateCCC(3X11), XcmsDefaultCCC(3X11)

  Xlib -- C Language X Interface

Index for Section 3X11

Alphabetical listing for X

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