[Openicc] color-policy / RGB to CMYK

[Graeme Gill]

Leonard Rosenthol wrote:
>         UNLESS the color managing software (Scribus in this case), is 
> smart enough to special case R==G==B and handle it as a direct map to [0 
> 0 0 1-R].  This is similar in concept to what the Windows PS driver or 
> tools such as PDF Enhancer (http://www.pdfenhancer.com) do.

But you aren't correcting for the device response! You at least
need a 1D curve to gamut compress and adjust between source
and destination responses.

>         Yes, but it's also a complex operation that most users won't 
> understand.  Most folks don't get color management as is - and adding 
> something like Black Gen is just going to confuse them...

So what ? Is the choice really just between simple and wrong, or
confusing and right ? How about actually taking on the challenge
of creating user interfaces and documentation that allow serious
users the control they need, and not confusing those who have
more moderate demands ?

Graeme Gill.