[sane-devel] Suggestion for scanning frontends

[Oliver Rauch]

Henning Meier-Geinitz wrote:
> 
> Hi,
> 
> On Fri, Apr 12, 2002 at 07:31:29AM -0700, Matts wrote:
> > So my suggestion is that this is added to the planned fuatures list,
> > the possibility to select a number of areas and then scan them all at
> > once. It should also be possible to save the areas configuration,
> > since In many cased the areas are always the same, since the use the
> > use of a frameholder.
> 
> Probably there are tow ways to do this:
> 
> 1) Add this to SANE2, that means, change the SANE standard. Do all the
>    work in the backend. The fronetnd "only" selects and transmitts the
>    regions of the single images. The backend calculates the real scan
>    parameters and divides the scan data into single images.
> 
> 2) All the work is done in the frontend. Should be possible, too. So
>    the frontend scans only a big chunk of the image and divides it
>    into smaller pieces.



Hello.

I suggest not to do such things in a backend.
If we put it into a backend then we have a lot of
duplicate work that is not necessary.

In opposite, we should remove several functions from the
backends (emulated ananlog gamma functions etc).

May be it would be interesting to put such things in a meta backend,
then this has to be writte once and looks the same for all backends.

Bye
Oliver


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