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xcalib v0.11.0 {#xcalib}

NAME SYNOPSIS DESCRIPTION OPTIONS ENVIRONMENT VARIABLES EXAMPLES SEE ALSO AUTHOR

"xcalib" 1 "December 14, 2023" "User Commands"

NAME ↑

xcalib v0.11.0 - Monitor Calibration Loader

SYNOPSIS ↑

xcalib ICC_FILE_NAME
xcalib -c -d=STRING -s=NUMBER [-o=NUMBER] [-v]
xcalib -i -d=STRING -s=NUMBER [-o=NUMBER] [-v] [-n] [-p[=FORMAT]] [-l] ICC_FILE_NAME | -a
xcalib -g=NUMBER -b=NUMBER -k=NUMBER -d=STRING -s=NUMBER [-o=NUMBER] [-v] [-n] [-p[=FORMAT]] [-l] ICC_FILE_NAME | -a
xcalib -R=NUMBER -G=NUMBER -B=NUMBER -d=STRING -s=NUMBER [-S=NUMBER] [-T=NUMBER] [-H=NUMBER] [-I=NUMBER] [-C=NUMBER] [-D=NUMBER] [-o=NUMBER] [-v] [-n] [-p[=FORMAT]] [-l] ICC_FILE_NAME | -a
xcalib -p[=FORMAT] -d=STRING -s=NUMBER [-o=NUMBER] [-v]
xcalib -h[=synopsis|...] -V --render=STRING [-v]

DESCRIPTION ↑

The tool loads ’vcgt’‐tag of ICC profiles to the server using the XRandR/XVidMode/GDI Extension in order to load calibrate curves to your graphics card.

OPTIONS ↑

Set basic parameters

-d|--display=STRING host:dpy
-s|--screen=NUMBER Screen Number
-o|--output=NUMBER Output Number
It appears in the order as listed in xrandr tool.
-a|--alter Alter Table
Works according to parameters without ICC Profile.
-n|--noaction Do not alter video-LUTs.
Work's best in conjunction with -v!
-p|--printramps[=FORMAT] Print Values on stdout.
-p TEXT# TEXT
-p SVG# SVG
-l|--loss Print error introduced by applying ramps to stdout.

Assign

   xcalib ICC_FILE_NAME

ICC_FILE_NAME File Name of a ICC Profile

Clear

   xcalib -c -d=STRING -s=NUMBER [-o=NUMBER] [-v]

-c|--clear Clear Gamma LUT
Reset the Video Card Gamma Table (VCGT) to linear values.

Invert

   xcalib -i -d=STRING -s=NUMBER [-o=NUMBER] [-v] [-n] [-p[=FORMAT]] [-l] ICC_FILE_NAME | -a

-i|--invert Invert the LUT

Overall Appearance

   xcalib -g=NUMBER -b=NUMBER -k=NUMBER -d=STRING -s=NUMBER [-o=NUMBER] [-v] [-n] [-p[=FORMAT]] [-l] ICC_FILE_NAME | -a

-g|--gamma=NUMBER Specify Gamma: Global gamma correction value (use 2.2 for WinXP Color Control-like behaviour) (NUMBER:1 [≥0.1 ≤5 Δ0.1])
-b|--brightness=NUMBER Specify Lightness Percentage (NUMBER:0 [≥0 ≤99 Δ1])
-k|--contrast=NUMBER Specify Contrast Percentage: Set maximum value relative to brightness. (NUMBER:100 [≥1 ≤100 Δ1])

Per Channel Appearance

   xcalib -R=NUMBER -G=NUMBER -B=NUMBER -d=STRING -s=NUMBER [-S=NUMBER] [-T=NUMBER] [-H=NUMBER] [-I=NUMBER] [-C=NUMBER] [-D=NUMBER] [-o=NUMBER] [-v] [-n] [-p[=FORMAT]] [-l] ICC_FILE_NAME | -a

-R|--red-gamma=NUMBER Specify Red Gamma (NUMBER:1 [≥0.1 ≤5 Δ0.1])
-S|--red-brightness=NUMBER Specify Red Brightness Percentage (NUMBER:0 [≥0 ≤99 Δ1])
-T|--red-contrast=NUMBER Specify Red Contrast Percentage: Set maximum value relative to brightness. (NUMBER:100 [≥1 ≤100 Δ1])
-G|--green-gamma=NUMBER Specify Green Gamma (NUMBER:1 [≥0.1 ≤5 Δ0.1])
-H|--green-brightness=NUMBER Specify Green Brightness Percentage (NUMBER:0 [≥0 ≤99 Δ1])
-I|--green-contrast=NUMBER Specify Green Contrast Percentage: Set maximum value relative to brightness. (NUMBER:100 [≥1 ≤100 Δ1])
-B|--blue-gamma=NUMBER Specify Blue Gamma (NUMBER:1 [≥0.1 ≤5 Δ0.1])
-C|--blue-brightness=NUMBER Specify Blue Brightness Percentage (NUMBER:0 [≥0 ≤99 Δ1])
-D|--blue-contrast=NUMBER Specify Blue Contrast Percentage: Set maximum value relative to brightness. (NUMBER:100 [≥1 ≤100 Δ1])

Show

   xcalib -p[=FORMAT] -d=STRING -s=NUMBER [-o=NUMBER] [-v]

-p|--printramps[=FORMAT] Print Values on stdout.
-p TEXT# TEXT
-p SVG# SVG

General options

   xcalib -h[=synopsis|...] -V --render=STRING [-v]

-h|--help[=synopsis|...] Print help text
Show usage information and hints for the tool.
-h -# Full Help : Print help for all groups
-h synopsis# Synopsis : List groups - Show all groups including syntax
--render=STRING
-V|--version Version
-v|--verbose Verbose

ENVIRONMENT VARIABLES ↑

DISPLAY

  Under X11 systems this variable will hold the display name as used for the -d and -s option.

EXAMPLES ↑

Assign the VCGT curves of a ICC profile to a screen

  xcalib ‐d :0 ‐s 0 ‐v profile_with_vcgt_tag.icc

Reset a screens hardware LUT in order to do a calibration

  xcalib ‐d :0 ‐s 0 ‐c

SEE ALSO ↑

  oyjl-args(1)

AUTHOR ↑

Stefan Dohla http://www.etg.e‐technik.uni‐erlangen.de/web/doe/xcalib/