xcalib -version (return code: 0)
xcalib 0.8
xcalib -h (return code: 0)
xcalib 0.8
Copyright (C) 2004-2007 Stefan Doehla <stefan AT doehla DOT de>
THIS PROGRAM COMES WITH ABSOLUTELY NO WARRANTY!
usage: xcalib [-options] ICCPROFILE
or xcalib [-options] -alter
where the available options are:
-display <host:dpy> or -d
-screen <screen-#> or -s
-clear or -c
-noaction <LUT-size> or -n
-verbose or -v
-printramps or -p
-loss or -l
-invert or -i
-gammacor <gamma> or -gc
-brightness <percent> or -b
-contrast <percent> or -co
-red <gamma> <brightness-percent> <contrast-percent>
-green <gamma> <brightness-percent> <contrast-percent>
-blue <gamma> <brightness-percent> <contrast-percent>
-alter or -a
-help or -h
-version
last parameter must be an ICC profile containing a vcgt-tag
Example: ./xcalib -d :0 -s 0 -v bluish.icc
Example: ./xcalib -red 1.1 10.0 100.0