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authorMattias Andrée <maandree@kth.se>2019-10-22 15:04:45 +0200
committerMattias Andrée <maandree@kth.se>2019-10-22 15:04:45 +0200
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tree79f93e69b01d236e96037aa60332d214696e048b /doc/coopgammad.1
parentFix NULL-pointer bug in get_pathname when running with -mdrm (diff)
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Change license and style, reorganise file, make makefile portable, and fix bugs1.3
Signed-off-by: Mattias Andrée <maandree@kth.se>
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-.TH COOPGAMMAD 1 COOPGAMMAD
-.SH "NAME"
-coopgammad - Cooperative gamma server
-.SH "SYNPOSIS"
-.B coopgammad
-.RB [ -m
-.IR method ]
-.RB [ -s
-.IR site ]
-.RB [ -fkpq ]
-.SH "DESCRIPTION"
-Programs that desire to change the gamma adjustment
-on a display should use this program instead of
-talking directly with the display server (unless
-the display server is
-.BR mds ).
-By doing this, multiple programs can add filters to
-the display without overriding each others effects.
-.P
-By using
-.B coopgammad
-to apply adjustments, you can select whether the
-adjustment is persistent or shall be removed when
-your program disconnects from
-.BR coopgammad .
-Even if the adjustment is persistent it can be
-modified or removed later by another process.
-.SH "OPTIONS"
-.TP
-.B -f
-Don't fork the process to the background.
-If used, you can still detect when the
-process has been initialised be waiting
-for its stdout to close.
-.TP
-.B -k
-Do not close stderr when forking to the
-background.
-.TP
-\fB-m\fP \fIMETHOD\fP
-Adjustment method name or number. Recognised
-names include:
-.TS
-tab(:);
-l l.
-\fBdummy\fP:Dummy method
-\fBrandr\fP:X RAndR
-\fBvidmode\fP:X VidMode
-\fBdrm\fP:Linux DRM
-\fBgdi\fP:Windows GDI
-\fBquartz\fP:Quartz Core Graphics
-.TE
-
-The adjustment methods are supported via
-.BR libgamma (7).
-Only methods that were enabled when
-.B libgamma
-as compiled will be supported.
-.TP
-.B -p
-Add the current gamma adjustments to the
-filter list at priority 0. Even if this
-is not used, the gamma adjustments will
-not change for an output until a filter
-has been added for that output.
-.TP
-.B -q
-If used once, print the selected adjustment
-method for the first line to stdout, and
-if site's have names for that method, print
-the name of the selected site on the second
-line to stdout. The second line can be omitted
-if
-.B -s
-has not been used and the default site cannot
-be find.
-
-If used at least twice, print the pathname
-of the socket for the select method and site
-combination to stdout. Under unusual
-circumstances, the path may contain LF
-characters, but it will always be terminated
-by one extra LF to mark the end of the
-printed line.
-.TP
-\fB-s\fP \fISITE\fP
-Select the site to which to connect.
-For example
-.RB \(aq :0 \(aq,
-for local display 0 when using
-.BR X .
-.SH "SIGNALS"
-.TP
-.B SIGUSR1
-Reexecute the process to an updated version.
-.TP
-.BR SIGUSR2 ", " SIGINFO " if available"
-Dump the process state to standard error.
-.TP
-.B SIGRTMIN+0
-Disconnect from the display server or graphics
-card.
-.TP
-.B SIGRTMIN+1
-Reconnect to the display server or graphics card.
-.SH "RATIONALE"
-After reading the description section, the need for
-this should be obvious.
-.P
-I plan to reuse code written for this program when
-implementing
-.BR mds-coopgamma (1),
-therefore, the protocol is overly complicated,
-implementation-wise.
-.SH "SEE ALSO"
-.BR libcoopgamma (7),
-.BR cg-tools (7),
-.BR libgamma (7),
-.BR blueshift (1),
-.BR mds-coopgamma (1).