xcmsdb man page on ElementaryOS

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XCMSDB(1)							     XCMSDB(1)

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

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

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_LINEAR_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.

OPTIONS
       xcmsdb program accepts the following options:

       -query  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.

       -remove This option attempts to remove  the  XDCCC  properties  on  the
	       screen's root window.

       -format 32|16|8
	       Specifies the property format (32, 16, or 8 bits per entry) for
	       the XDCCC_LINEAR_RGB_CORRECTION property.  Precision of encoded
	       floating	 point	values increases with the increase in bits per
	       entry.  The default is 32 bits per entry.

SEE ALSO
       xprop(1), Xlib documentation

ENVIRONMENT
       DISPLAY to figure out which display and screen to use.

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

X Version 11			 xcmsdb 1.0.4			     XCMSDB(1)
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