[tex-live] ICC profiles for PDF/A compliance

[Zdenek Wagner]

ne 9. 9. 2018 v 1:02 odesílatel Reinhard Kotucha <reinhard.kotucha at web.de>
napsal:

...

>
> Presumably HP shipped this file on CDs accompanied by their printers
> without further licensing information.
>

I have several ICC profiles coming with printers, scanners etc without
explicit license.

>
> The data in the file below is freely available, see
>
>   https://en.wikipedia.org/wiki/SRGB
>
> So if we don't find an ICC sRGB profile with an appropriate license we
> can create one ourselves with a license which makes everybody happy.
> All we need is a specification of the .icc binary format.
>

Little CMS (LCMS) is a free OpenSource tool, information on the .icc format
can probably be found there and the specification is hopefully freely
available.

Zdeněk Wagner
http://ttsm.icpf.cas.cz/team/wagner.shtml
http://icebearsoft.euweb.cz




>
> For the time being, Norbert, could you add the file
>
>   sRGB_IEC61966-2-1_black_scaled.icc
>
> to tlcontrib if you haven't done this already?
>
> Regards,
>   Reinhard
>
> =========================================================================
> % Copyright (C) 2001-2018 Artifex Software, Inc.
> % All Rights Reserved.
> %
> % This software is provided AS-IS with no warranty, either express or
> % implied.
> %
> % This software is distributed under license and may not be copied,
> % modified or distributed except as expressly authorized under the terms
> % of the license contained in the file LICENSE in this distribution.
> %
> % Refer to licensing information at http://www.artifex.com or contact
> % Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
> % CA 94945, U.S.A., +1(415)492-9861, for further information.
> %
>
> % sRGB color space derived from the public domain HP sample.
>
> currentglobal true setglobal
>
> /sRGB
> [ /CIEBasedABC
>   3 dict begin
>     /WhitePoint [ 0.9505 1 1.0890 ] def % D65
>
>     /DecodeLMN [  % sRGB gamma transform
>       { dup 0.03928 le { 12.92321 div } { 0.055 add 1.055 div 2.4 exp }
> ifelse }
>       bind dup dup ] def
>
>     /MatrixLMN [ % sRGB to XYZ (D65) matrix (ITU-R BT.709-2 Primaries)
>       0.412457 0.212673 0.019334
>       0.357576 0.715152 0.119192
>       0.180437 0.072175 0.950301 ] def
>   currentdict end
> ]
> /ColorSpace defineresource pop
>
> setglobal
> =========================================================================
>
>
> --
> ------------------------------------------------------------------
> Reinhard Kotucha                            Phone: +49-511-3373112
> Marschnerstr. 25
> D-30167 Hannover                    mailto:reinhard.kotucha at web.de
> ------------------------------------------------------------------
>
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