[Openicc] printer, driver, CUPS, PPD, printing GUI, ICC-profiles, colord, Oyranos, taxi....

[edmund ronald]

At the moment we dont really need to *store* all the combinations of media
settings possible, it is more a cooking recipe generated on the fly.

Of course, a profile needs the parameters locked down, but we could
load in LUTs by name like a printer does for fonts.

Edmund


On 1/26/12, Robert Krawitz <rlk at alum.mit.edu> wrote:
> On Thu, 26 Jan 2012 14:55:50 +0100 (CET), Kai-Uwe Behrmann wrote:
>> Am 26.01.12, 08:31 -0500 schrieb Robert Krawitz:
>>> On Thu, 26 Jan 2012 09:27:27 +0100 (CET), Kai-Uwe Behrmann wrote:
>>>> Am 25.01.12, 21:28 +0100 schrieb edmund ronald:
>>>>> If the calibration data (presets) are dumped in an XML file, the
>>>>> current
>>>>> Gutenprint iteration should be able to do the job with very little
>>>>> software
>>>>> engineering. Anything else takes us into utopia.
>>>>
>>>> What is the size of a typical Gutenprint XML?
>>>
>>> It depends.  Worst case, if you wanted to express a lot of things as
>>> 16-bit LUTs, I could see it reaching several megabytes.  More likely, in
>>> the range of 10K, but it's going to depend upon exactly how finely you
>>> want to calibrate things.
>>>
>>> Honestly, even several megabytes strikes me as pretty small potatoes
>>> these days.
>>
>> While discussing about sizes, we have to consider distributors as
>> well. But given that amount of data is much less than equivalent
>> n-channel profiles, it is the only choice we have at the moment.
>
> If we used 8-bit LUTs, we'd probably be looking at tens of kilobytes.
>
> Multiplying this by number of printers and combinations of papers and
> resolutions, I can see the point.
> --
> Robert Krawitz                                     <rlk at alum.mit.edu>
>
> 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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