[Openicc] CUPS Color Management under Linux... (what is to do ?)

[Leonard Rosenthol]

On Thu, Feb 10, 2011 at 2:03 PM, Chris Murphy <lists at colorremedies.com>wrote:

> As I think about it, the most reliable "no color management" tag is a
> message directly to the thing that does the conversions. And that's the CMM.
> So the message would be a particular kind of ICC profile.
>
> Of course we'd be best off getting such a profile endorsed by the ICC, but
> I don't know that's necessary. If we get lcms on board, that's 1/2 the
> battle right there since it seems our focus for a color managed print
> pipeline right now is CUPS+GhostScript+lcms. We know ICC profiles are
> passing through all the way to the CMM or we wouldn't get conversions
> (assumed or otherwise), so this makes some sense.
>
>
If you mean a "null" profile (or null transform), there is already a concept
of that in ICC...



> My preference is that this ICC profile would be a header only profile, no
> body, and class 'spac' (ColorSpace Conversion) to differentiate it and
> hopefully avoid it being obviously useable and embeddable like very common
> 'mntr' (display device) class, and 'prtr' (output device profile) class
> profiles are. I'm not sure what the PDF spec thinks about 'spac' class
> profiles however...could be a sticking point.
>
>
PDFs can only use mntr & prtr profiles.

Leonard
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