[Openicc] Profiling not permitted under Linux?

[edmund ronald]

Update:

Robert informs me that "if you use lp or lpr to print a CMYK PDF, it works
fine.  It's only printing CMYK image files, by any mechanism, that
fails."

Edmund

On Fri, Sep 27, 2013 at 2:31 PM, edmund ronald <edmundronald at gmail.com> wrote:
> Hi Guys,
>
>  the famous CM-off flag is still not implemented officially; it seems
> it is not a priority. this means that as the color guy at Gutenprint I
> cannot (without a workaround)  stuff, which means that we cannot move
> Gutenprint to a profiled workflow with less manual tuning.
>
>  I don't get it; really I don't. People here have been working like
> crazy to implement profiled printing, but then they won't give the
> printer guys the tools to profile?
>
> BTW, I spent a couple of weeks this summer doing CMYK profiles for
> Gutenprint. Why? To get rid of CM built-in reliably of course. I found
> out a couple of things.
>
> - Proprietary vendor RGB driver color is really really good these days.
> - Naked CMYK files break most distributions "lp" but can be printed
> via Okulus or Acroread.
> - CMYK profiling is a pain to get right on Gutenprint with the current
> ink curves, and should probably not be attempted seriously until more
> tools are available, at which point it will still be a job for
> experts.  RGB profiling is the way to go  - but seems politically
> unacceptable
>
>  So maybe you guys want to lobby Canon and Epson and ask them to
> supply drivers, because I for one see little reason to waste time on a
> printer driver which I cannot profile because the politics are broken.
>
> Edmund