[sane-devel] CIS scanners: to calibrate or not to calibrate :) this is the question (my scanner is mad and lazy :)

[Rene Rebe]

litlle girl wrote:
>> The windows driver probably calibrates once, when the scanner is
>> first used, and stores the reference data somewhere (file, registry,
>> etc.).
>>
>> The SANE driver should try to do the same (not registry of course,
>> but some /var/... whatever file-system location.
>>
>> Yours,
>>
>> --
>>  René Rebe - ExactCODE GmbH - Europe, Germany, Berlin
>>  http://exactcode.de | http://t2-project.org | http://rene.rebe.name
>>
> 
> This is very good idea! :)
> I think "calibrate.conf" is good place to put calibrate data.
> 
> calibrate.conf structure:
> vendor, product, mode (Lineart,Gray,Color) calibrate data
> 
> Maybe "recalibrate" option will be needed :)

As proecssed run with normal user's ID have to be able to
write to it some Un*x a-like /var/state/sane/$backend-$model.raw
file should be more suitable.

But as I'm not in CPU-less scanners the backend authors
will probably figure out what they like most.

Yours,

-- 
   René Rebe - ExactCODE GmbH - Europe, Germany, Berlin
   http://exactcode.de | http://t2-project.org | http://rene.rebe.name