[Openicc] Gutenprint mission as Linux moves towards color managed workflows

[edmund ronald]

And he is in a position to get this done.

E.
On May 13, 2012 5:04 PM, "Robert Krawitz" <rlk at alum.mit.edu> wrote:

> On Sun, 13 May 2012 13:48:13 +0200, edmund ronald wrote:
> > Till,
> >
> >  100% in agreement with all your recommendations.
>
> At least Till has good sense here.
>
> >> What we need here then is a standardized CUPS filter option (like there
> >> are already options as "number-up", "page-ranges", ... in the CUPS
> filter
> >> system) to turn off color management. It could be a boolean option named
> >>
> >>   color-management
> >>
> >> which is set to "on" by default and sending a job with the command line
> >> option or IPP attribute
> >>
> >>   color-management=off
> >>
> >> would execute the job with the normal filter chain but all color
> >> management being turned off.
> >>
> >> Supplying this option makes CUPS simply add "color-management=off" to
> the
> >> fifth command line argument of all filters it calls, so the filters
> could
> >> react appropriately.
> >>
> >> The option default can be also changed with an entry in
> >> /etc/cups/printers.conf (which can be generated by the "lpadmin"
> command.
> >>
> >> On Linux systems these are all filters calling Ghostscript, which means
> >> gstoraster (ghostscript package), pdftops (cups-filters package),
> >> foomatic-rip (foomatic-filters package). They are all under my
> >> maintainership and I would add the option without problems. I would also
> >> contact free software driver developers to add the option if needed.
> >>
> >> Richard, could you help me to get the "color-management=off" option
> >> correctly implemented in the mentioned CUPS filters? Thanks.
> >>
> >> For Mac servers we will need to contact Mike Sweet, as filters of the
> >> Mac's proprietary PDF workflow will have to get changed.
> >>
> >> It would be also very easy to add a checkbox option to any printing
> dialog
> >> which makes the jobs being sent with "color-management=off" or
> >> "color-management=on" depending on the setting. I would call it
> something
> >> like
> >>
> >>   Turn off color management (for calibration)
> >>
> >> and put ity into some "Advanced" group. But this has to be decided by
> the
> >> desktop UI designers.
>
> --
> Robert Krawitz                                     <rlk at alum.mit.edu>
>
> MIT VI-3 1987 - Congratulations MIT Engineers men's hoops Final Four!
> Tall Clubs International  --  http://www.tall.org/ or 1-888-IM-TALL-2
> Member of the League for Programming Freedom  --  http://ProgFree.org
> Project lead for Gutenprint   --    http://gimp-print.sourceforge.net
>
> "Linux doesn't dictate how I work, I dictate how Linux works."
> --Eric Crampton
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