[Openicc] Printing Plans GhostScript / sRGB / ICC

[edmund ronald]

Where I am shaking my head at the moment is that users here demand
sophisticated CMYK control, while Linux app developers see no reason
even for ... display compensation. Clearly there is a mismatch
somewhere.

Edmund

On Fri, Mar 4, 2011 at 9:05 PM, James Cloos <cloos at jhcloos.com> wrote:
>>>>>> "CM" == Chris Murphy <lists at colorremedies.com> writes:
>
> CM> I'm just shaking my head...I don't have a coherent response to a PPD
> CM> that looks like such utter bollocks.
>
> All of the postscript colour lasers I looked into work that way.
>
> And the docs show that the (usually pcl-generating) doze drivers offer
> the same options.
>
> CM> If this is a common PPD, we have our work cut out for us on another
> CM> front which is what options should and and should not appear in PPDs.
>
> Why shouldn’t they?  The out of box defaults are sane for most users.
> The ability to choose between expensive CMY or inexpensive K for RGB
> gray is clearly a feature demanded by users (using CMY for gray costs
> more than five times as much USD than using K, but gives noticeably
> better results in photographs and the like).
>
> Remember that papers (usually, I’m sure, due to author naïveté)
> frequently use images where a vecotr graphic should have been used.
> And when so they are essentially always in DeviceRGB.  So you can’t
> just say «use CMY for images and K for graphics».  The users need
> to be able to set a default, but still override that default on a
> per job basis.
>
> The manuacturers of RIP printers have now had, what, twenty years or
> so to figure out what controls the users want and how to present them.
>
> And for cups-based print flows, the only way *to* do those per-job
> overrides is via PPD options.
>
> (The PPDs use setpagedevice postscript snippets; the printers generally
> also support using PJL to set those options.)
>
> I just do not understand the complaint....
>
> -JimC
> --
> James Cloos <cloos at jhcloos.com>         OpenPGP: 1024D/ED7DAEA6
> _______________________________________________
> openicc mailing list
> openicc at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/openicc