[sane-devel] SANE2 and filmscanners

Henning Meier-Geinitz henning@meier-geinitz.de
Tue, 24 Dec 2002 15:15:35 +0100


On Tue, Dec 24, 2002 at 08:29:28AM +0100, Michael Herder wrote:
> Jonathan Buzzard, Montag, 23. Dezember 2002 17:42:
> > henning@meier-geinitz.de said:
> > True but closely related to this is the fact that scanning a single frame
> > is a slow process; 10 minutes a frame is not unrealistic. Therefore
> > if I only want one frame scanning the lot is a massive pain. If I have
> > an APS film it will be horrendous if I just want frame 38 say. So you
> > also need a way to select individual frames from what ever is loaded.
> > On my scanner I have a holder for negatives, which has up to six frames,
> > a holder for slides which has four and an APS adaptor which can take
> > an APS film cartridge. From memory depending on which you insert into
> > the scanner Vuescan offers an appropriate list to scan from.
> Maybe we could allow an option value size > sizeof(SANE_Word) for options of 
> type SANE_TYPE_BOOL ? The frontends could then present e.g. a list of 
> checkboxes (or something similar) to the user, where (s)he can select the 
> desired frames from. 

I'm not sure, if this is the right approach. Can't this be done in the
frontend entirely? I mean, the frontend must know about the option
that selects the "frame" anyway so it can also provide a means to scan
several different ones one after the other.