xcmsdb man page on DigitalUNIX

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xcmsdb(1X)							    xcmsdb(1X)

NAME
       xcmsdb  -  Device Color Characterization utility for X Color Management
       System

SYNOPSIS
       xcmsdb [-query] [-remove] [-format 32 | 16 | 8] [filename]

OPTIONS
       xcmsdb program accepts the following options: This option  attempts  to
       read  the XDCCC properties off the screen's root window. If successful,
       it transforms the data into a more readable format, then sends the data
       to  standard  out.  This option attempts to remove the XDCCC properties
       on the screen's root window.  Specifies the property format (32, 16, or
       8  bits per entry) for the XDCCC_LINEAR_RGB_CORRECTION property. Preci‐
       sion of encoded floating point values increases with  the  increase  in
       bits per entry. The default is 32 bits per entry.

DESCRIPTION
       xcmsdb  is used to load, query, or remove Device Color Characterization
       data stored in properties on the root window of the screen as specified
       in section 7, Device Color Characterization, of the ICCCM. Device Color
       Characterization data (also called the Device Profile) is  an  integral
       part  of	 Xlib's X Color Management System (Xcms), necessary for proper
       conversion  of  color  specification  between  device-independent   and
       device-dependent	  forms.    Xcms  uses	3x3  matrices  stored  in  the
       XDCCC_LINEAR_RGB_MATRICES  property  to	convert	 color	specifications
       between	CIEXYZ and RGB Intensity (XcmsRGBi, also referred to as linear
       RGB). Xcms then uses display gamma information stored in the XDCCC_LIN‐
       EAR_RGB_CORRECTION  property  to	 convert  color specifications between
       RGBi and RGB device (XcmsRGB, also referred to as device RGB).

       Note that Xcms allows clients to register function sets in addition  to
       its  built-in function set for CRT color monitors.  Additional function
       sets may store their device profile information in other properties  in
       function	 set  specific	format.	 This utility is unaware of these non-
       standard properties.

       The ASCII readable contents of filename (or the standard	 input	if  no
       input file is given) are appropriately transformed for storage in prop‐
       erties, provided the -query or -remove options are not specified.

ENVIRONMENT
       to figure out which display and screen to use.

SEE ALSO
       xprop(1X)

AUTHOR
       Chuck Adams, Tektronix Inc.; Al Tabayoyon,  SynChromatics  Inc.	(added
       multi-visual support)

								    xcmsdb(1X)
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