181 lines
3.7 KiB
HTML
181 lines
3.7 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of xgamma</TITLE>
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</HEAD><BODY>
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<H1>xgamma</H1>
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Section: User Commands (1)<BR>Updated: xgamma 1.0.6<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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xgamma - Alter a monitor's gamma correction through the X server
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<A NAME="lbAC"> </A>
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<H2>SYNOPSIS</H2>
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<B>xgamma</B>
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[-display <I>display</I>] [-screen <I>screen</I>] [-quiet] [-version]
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[-gamma f.f | [[-rgamma f.f] [-ggamma f.f] [-bgamma f.f]]]
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<A NAME="lbAD"> </A>
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<H2>DESCRIPTION</H2>
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<P>
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<B>xgamma</B>
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allows X users to query and alter the gamma correction of a monitor via
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the X video mode extension (XFree86-VidModeExtension).
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<P>
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Note that the <B>xgamma</B> utility is obsolete and deficient, <B>xrandr</B>
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should be used with drivers that support the <B>XRandr</B> extension.
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<P>
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If no value for the gamma correction is given via the
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<I>-gamma</I>
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or
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<I>-rgamma</I>/<I>-ggamma</I>/<I>-bgamma</I>
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options,
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<B>xgamma</B>
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prints the current gamma correction of the display.
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<A NAME="lbAE"> </A>
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<H2>OPTIONS</H2>
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<P>
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<DL COMPACT>
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<DT id="1"><B>-display </B><I>display</I>
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<DD>
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This argument allows you to specify the server to connect to; see <I><A HREF="/cgi-bin/man/man2html?7+X">X</A>(7)</I>.
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</DL>
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<P>
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<DL COMPACT>
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<DT id="2"><B>-screen </B><I>screen</I>
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<DD>
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When multiple displays are configured as a single logical display, this option
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allows you to select the screen you wish to change.
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</DL>
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<P>
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<DL COMPACT>
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<DT id="3"><B>-quiet</B>
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<DD>
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Silence the normal output of
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<B>xgamma</B>
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</DL>
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<P>
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<DL COMPACT>
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<DT id="4"><B>-help</B>
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<DD>
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Print out the `Usage:' command syntax summary.
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</DL>
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<P>
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<DL COMPACT>
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<DT id="5"><B>-version</B>
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<DD>
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Print out the program version and exit.
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</DL>
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<P>
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<DL COMPACT>
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<DT id="6"><B>-gamma f.f</B>
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<DD>
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The gamma correction can either be defined as a single value, or
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separately for the red, green and blue components. This argument
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specifies the gamma correction as a single value.
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</DL>
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<P>
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<DL COMPACT>
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<DT id="7"><B>-rgamma f.f</B>
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<DD>
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This argument specifies the red component of the gamma correction.
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</DL>
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<P>
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<DL COMPACT>
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<DT id="8"><B>-ggamma f.f</B>
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<DD>
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This argument specifies the green component of the gamma correction.
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</DL>
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<P>
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<DL COMPACT>
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<DT id="9"><B>-bgamma f.f</B>
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<DD>
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This argument specifies the blue component of the gamma correction.
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</DL>
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<A NAME="lbAF"> </A>
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<H2>ENVIRONMENT</H2>
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<P>
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<DL COMPACT>
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<DT id="10"><B>DISPLAY</B>
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<DD>
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To get default host and display number.
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</DL>
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<A NAME="lbAG"> </A>
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<H2>BUGS</H2>
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<P>
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This client changes the internal values of the gamma correction for the
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Xserver. Whether or not these values are respected depends on the video
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drivers.
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<P>
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The gamma values are passed to the Xserver with 3 decimal places of
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accuracy.
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<A NAME="lbAH"> </A>
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<H2>SEE ALSO</H2>
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<A HREF="/cgi-bin/man/man2html?1+xvidtune">xvidtune</A>(1),
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<A HREF="/cgi-bin/man/man2html?1+xrandr">xrandr</A>(1)
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<A NAME="lbAI"> </A>
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<H2>AUTHORS</H2>
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Kaleb S. Keithley, X Consortium.
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<BR>
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David Dawes, David Bateman
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="11"><A HREF="#lbAB">NAME</A><DD>
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<DT id="12"><A HREF="#lbAC">SYNOPSIS</A><DD>
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<DT id="13"><A HREF="#lbAD">DESCRIPTION</A><DD>
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<DT id="14"><A HREF="#lbAE">OPTIONS</A><DD>
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<DT id="15"><A HREF="#lbAF">ENVIRONMENT</A><DD>
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<DT id="16"><A HREF="#lbAG">BUGS</A><DD>
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<DT id="17"><A HREF="#lbAH">SEE ALSO</A><DD>
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<DT id="18"><A HREF="#lbAI">AUTHORS</A><DD>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:30 GMT, March 31, 2021
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</BODY>
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</HTML>
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