97 lines
3.8 KiB
Groff
97 lines
3.8 KiB
Groff
.\" $Xorg: xcmsdb.man,v 1.4 2001/02/09 02:05:39 xorgcvs Exp $
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.\" Copyright 1990, Tektronix Inc.
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.\" Copyright 1993, 1998 The Open Group
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.\"
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.\" Permission to use, copy, modify, distribute, and sell this software and its
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.\" documentation for any purpose is hereby granted without fee, provided that
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.\" the above copyright notice appear in all copies and that both that
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.\" copyright notice and this permission notice appear in supporting
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.\" documentation.
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.\"
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.\" The above copyright notice and this permission notice shall be included in
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.\" all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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.\" WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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.\" OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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.\" SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of The Open Group shall not
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.\" be used in advertising or otherwise to promote the sale, use or other
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.\" dealing in this Software without prior written authorization from the
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.\" The Open Group.
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.\"
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.\" $XFree86: xc/programs/xcmsdb/xcmsdb.man,v 1.6 2001/01/27 18:21:09 dawes Exp $
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.\"
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.TH XCMSDB 1 __xorgversion__
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.SH NAME
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xcmsdb \- Device Color Characterization utility for X Color Management System
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.SH SYNOPSIS
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.B xcmsdb
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[ \fB\-query\fP ] [ \fB\-remove\fP ]
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[ \fB\-format\032\fP|\fB16\fP|\fB8\fP ]
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[ \fIfilename\fP ]
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.SH DESCRIPTION
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.I xcmsdb
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is used to load, query, or remove Device Color Characterization data
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stored in properties on the root window of the screen as specified
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in section 7, Device Color Characterization, of the ICCCM.
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Device Color Characterization data (also called the Device Profile)
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is an integral part of Xlib's X Color Management System (Xcms), necessary
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for proper conversion of color specification between device-independent
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and device-dependent forms.
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Xcms uses 3x3 matrices stored in the XDCCC_LINEAR_RGB_MATRICES property to
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convert color specifications between CIEXYZ and RGB Intensity (XcmsRGBi, also
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referred to as linear RGB).
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Xcms then uses display gamma information stored in the
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XDCCC_LINEAR_RGB_CORRECTION property to convert color specifications between
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RGBi and RGB device (XcmsRGB, also referred to as device RGB).
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.LP
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Note that Xcms allows clients to register \fIfunction sets\fP
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in addition to its
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built-in function set for CRT color monitors. Additional function sets
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may store their device profile information in other properties in function
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set specific format.
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This utility is unaware of these non-standard properties.
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.LP
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The ASCII readable contents of
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.I filename
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(or the standard input if no input file is given)
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are appropriately transformed for storage in properties, provided the
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.B \-query
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or
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.B \-remove
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options are not specified.
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.SH "OPTIONS"
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.I xcmsdb
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program accepts the following options:
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.TP 8
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.B \-query
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This option attempts to read the XDCCC properties off the screen's root
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window.
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If successful, it transforms the data into a more readable format, then
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sends the data to standard out.
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.TP 8
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.B \-remove
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This option attempts to remove the XDCCC properties on the screen's root
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window.
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.TP 8
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\fB\-format\032\fP|\fB16\fP|\fB8\fP
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Specifies the property format (32, 16, or 8 bits per entry) for the
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XDCCC_LINEAR_RGB_CORRECTION property.
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Precision of encoded floating point values increases with the increase
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in bits per entry.
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The default is 32 bits per entry.
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.SH "SEE ALSO"
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xprop(1), Xlib documentation
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.SH ENVIRONMENT
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.TP 8
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.B DISPLAY
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to figure out which display and screen to use.
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.SH AUTHOR
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Chuck Adams, Tektronix Inc.
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Al Tabayoyon, SynChromatics Inc. (added multi-visual support)
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