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author jpayne
date Tue, 18 Mar 2025 16:23:26 -0400
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jpayne@68 1 .\"Shiju P. Nair September 30, 2004
jpayne@68 2 .\"Thomas Weber <tweber@debian.org> April 23, 2014
jpayne@68 3 .TH LINKICC 1 "September 30, 2004"
jpayne@68 4 .SH NAME
jpayne@68 5 linkicc - little cms device link generator.
jpayne@68 6 .SH SYNOPSIS
jpayne@68 7 .B linkicc
jpayne@68 8 .RI [ options ] " profiles"
jpayne@68 9 .SH DESCRIPTION
jpayne@68 10 lcms is a standalone CMM engine, which deals with the color management.
jpayne@68 11 It implements a fast transformation between ICC profiles.
jpayne@68 12 .B linkicc
jpayne@68 13 is a little cms device link generator.
jpayne@68 14 .P
jpayne@68 15 Links two or more profiles into a single devicelink profile.
jpayne@68 16 Colorspaces must be paired except Lab/XYZ, that can be interchanged.
jpayne@68 17 .SH OPTIONS
jpayne@68 18 .TP
jpayne@68 19 .BR \-a\ NUM
jpayne@68 20 Observer adaptation state (abs.col. only), (0..1.0, float value) [defaults to 1.0].
jpayne@68 21 .TP
jpayne@68 22 .B \-b
jpayne@68 23 Black point compensation.
jpayne@68 24 .TP
jpayne@68 25 .BI \-c\ precision
jpayne@68 26 Precision (0=LowRes, 1=Normal, 2=Hi-res) [defaults to 1].
jpayne@68 27 .TP
jpayne@68 28 .BI \-d\ description
jpayne@68 29 Description text (quotes can be used).
jpayne@68 30 .TP
jpayne@68 31 .BI \-h\ NUM
jpayne@68 32 Show summary of options and examples (0=help, 1=Built-in profiles, 2=Examples, 3=Contact information)
jpayne@68 33 .TP
jpayne@68 34 .BI \-k\ inklimit
jpayne@68 35 Ink-limiting in % (CMYK only), (0..400.0, float value) [default 400.0].
jpayne@68 36 .TP
jpayne@68 37 .B \-l
jpayne@68 38 Use linearization curves (may affect accuracy).
jpayne@68 39 .TP
jpayne@68 40 .BI \-n\ gridpoints
jpayne@68 41 Alternate way to set precision, number of CLUT points.
jpayne@68 42 .TP
jpayne@68 43 .BI \-o\ profile
jpayne@68 44 Output devicelink profile [defaults to 'devicelink.icm'].
jpayne@68 45 .TP
jpayne@68 46 .BI \-r\ profileversion
jpayne@68 47 Profile version. (CAUTION: may change the profile implementation), (2.0..4.3, float value) [defaults to 4.3].
jpayne@68 48 .TP
jpayne@68 49 .BI \-t\ NUM
jpayne@68 50 Rendering intent
jpayne@68 51 .nf
jpayne@68 52 .RS
jpayne@68 53 0=Perceptual [default]
jpayne@68 54 1=Relative colorimetric
jpayne@68 55 2=Saturation
jpayne@68 56 3=Absolute colorimetric
jpayne@68 57 10=Perceptual preserving black ink
jpayne@68 58 11=Relative colorimetric preserving black ink
jpayne@68 59 12=Saturation preserving black ink
jpayne@68 60 13=Perceptual preserving black plane
jpayne@68 61 14=Relative colorimetric preserving black plane
jpayne@68 62 15=Saturation preserving black plane
jpayne@68 63 .RE
jpayne@68 64 .fi
jpayne@68 65 .TP
jpayne@68 66 .BI \-v\ verbosity
jpayne@68 67 Verbosity level, (0=None, 1=Normal, 2=High, 3=Very High) [defaults to 0].
jpayne@68 68 .TP
jpayne@68 69 .B \-x
jpayne@68 70 Creatively, guess deviceclass of resulting profile.
jpayne@68 71 .TP
jpayne@68 72 .BI \-y\ copyright
jpayne@68 73 Copyright notice (quotes can be used) ["No copyright, use freely"].
jpayne@68 74 .TP
jpayne@68 75 .B \-8
jpayne@68 76 Creates 8-bit devicelink.
jpayne@68 77 .SH BUILT-IN PROFILES
jpayne@68 78 .nf
jpayne@68 79 *Lab2 -- D50-based v2 CIEL*a*b
jpayne@68 80 *Lab4 -- D50-based v4 CIEL*a*b
jpayne@68 81 *Lab -- D50-based v4 CIEL*a*b
jpayne@68 82 *XYZ -- CIE XYZ (PCS)
jpayne@68 83 *sRGB -- sRGB color space
jpayne@68 84 *Gray22 - Monochrome of Gamma 2.2
jpayne@68 85 *Gray30 - Monochrome of Gamma 3.0
jpayne@68 86 *null - Monochrome black for all input
jpayne@68 87 *Lin2222- CMYK linearization of gamma 2.2 on each channel
jpayne@68 88 .fi
jpayne@68 89 .SH EXAMPLES
jpayne@68 90 .nf
jpayne@68 91 To create 'devicelink.icm' from a.icc to b.icc:
jpayne@68 92 linkicc a.icc b.icc
jpayne@68 93
jpayne@68 94 To create 'out.icc' from sRGB to cmyk.icc:
jpayne@68 95 linkicc -o out.icc *sRGB cmyk.icc
jpayne@68 96
jpayne@68 97 To create a sRGB input profile working in Lab:
jpayne@68 98 linkicc -x -o sRGBLab.icc *sRGB *Lab
jpayne@68 99
jpayne@68 100 To create a XYZ -> sRGB output profile:
jpayne@68 101 linkicc -x -o sRGBLab.icc *XYZ *sRGB
jpayne@68 102
jpayne@68 103 To create a abstract profile doing softproof for cmyk.icc:
jpayne@68 104 linkicc -t1 -x -o softproof.icc *Lab cmyk.icc cmyk.icc *Lab
jpayne@68 105
jpayne@68 106 To create a 'grayer' sRGB input profile:
jpayne@68 107 linkicc -x -o grayer.icc *sRGB gray.icc gray.icc *Lab
jpayne@68 108
jpayne@68 109 To embed ink limiting into a cmyk output profile:
jpayne@68 110 linkicc -x -o cmyklimited.icc -k 250 cmyk.icc *Lab
jpayne@68 111
jpayne@68 112 .fi
jpayne@68 113 .SH NOTES
jpayne@68 114 For suggestions, comments, bug reports etc. send mail to
jpayne@68 115 info@littlecms.com.
jpayne@68 116 .SH SEE ALSO
jpayne@68 117 .BR jpgicc (1),
jpayne@68 118 .BR psicc (1),
jpayne@68 119 .BR tificc (1),
jpayne@68 120 .BR transicc (1)
jpayne@68 121 .SH AUTHOR
jpayne@68 122 This manual page was written by Shiju p. Nair <shiju.p@gmail.com>,
jpayne@68 123 for the Debian project.