# Re: Starting a discussion about SANE and TWAIN...

Oliver Rauch (oliver.rauch@Wolfsburg.DE)
Fri, 13 Aug 1999 23:44:39 +0200

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Andreas Beck wrote:

> > The other way round, i.e. a TWAIN frontend for SANE is trivial as
> > I understand. Why do not implement this as a first step?
>
> Yes. That's what I'm asking for. But it needs someone with good knowledge
> about the TWAIN API. I volunteer to help that person with all questions of
> SANE interfacing. To do it "right", we will need to define a "remote
> control API" for each architecture we want to run on, which will allow
> the TWAIN layer to interface with an arbitrary SANE frontend.

I am interested in adding a TWAIN-driver-level-interface to xsane.

> For having TWAIN style access to scanners on Unix (thus allowing application
> programmers to port their programs more easily), we'd need the
> abovementioned "remote control" for SANE frontends.
>

We should define a standard for the communication
between the TWAIN to SANE-FRONTEND wrapper
and sane frontends.

-- TWAIN-application layer
-> TWAIN-source-selection-layer
-> TWAIN to SANE-FRONTEND-wrapper
-> SANE-FRONTEND
-> ...

The wrapper and the standard has to be compatible to
all operating systems.

Bye
Oliver

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