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<TITLE>sane-devel: Re: TWAIN on Unix ?</TITLE>
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<META NAME="Author" CONTENT="Christoph Hintermüller (hinzge@sbox.tu-graz.ac.at)">
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<META NAME="Subject" CONTENT="Re: TWAIN on Unix ?">
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<H1>Re: TWAIN on Unix ?</H1>
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<!-- subject="Re: TWAIN on Unix ?" -->
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<STRONG>From:</STRONG> Christoph Hintermüller (<A HREF="mailto:hinzge@sbox.tu-graz.ac.at?Subject=Re:%20TWAIN%20on%20Unix%20?&In-Reply-To=<38D105D7.6489C149@sbox.tu-graz.ac.at>"><EM>hinzge@sbox.tu-graz.ac.at</EM></A>)<BR>
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<STRONG>Date:</STRONG> Thu Mar 16 2000 - 08:03:35 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0155.html">Dirk Jakobsmeier: "Re: Linux Magazine Scanner story"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0153.html">becka@rz.uni-duesseldorf.de: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0153.html">becka@rz.uni-duesseldorf.de: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0157.html">Stephen Williams: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0156.html">Stephen Williams: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0157.html">Stephen Williams: "Re: TWAIN on Unix ?"</A>
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<A HREF="mailto:becka@rz.uni-duesseldorf.de?Subject=Re:%20TWAIN%20on%20Unix%20?&In-Reply-To=<38D105D7.6489C149@sbox.tu-graz.ac.at>">becka@rz.uni-duesseldorf.de</A> wrote:
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<BR>
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<P><EM>> HI !
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> > PR >and keep woundering if it would be a good idea to adapt the TWAIN API
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</EM><BR>
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<EM>> > PR >as the high level API for scanners on UNIX.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Hmm - I am not too convinced about using the TWAIN API for that purpose.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> It is interesting for using SANE on Windows and for quickly porting existing
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</EM><BR>
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<EM>> applications, but in that case the main porting effort will not be the
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</EM><BR>
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<EM>> scanning part, but the GUI stuff that makes up the rest of the application.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Basically I would rather suggest to have a standard way for "remote-
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</EM><BR>
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<EM>> controlling" SANE frontends, so that an application would be able to
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</EM><BR>
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<EM>> spawn off any SANE frontend the user likes, tell it to set some options
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</EM><BR>
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<EM>> to preset values and then get back an image from the frontend - either after
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</EM><BR>
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<EM>> user interaction or directly.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> This is more or less what TWAIN does, but much cleaner for a Unixish
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</EM><BR>
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<EM>> environment. TWAIN had to use quite some ugly clutches (single entrypoint,
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</EM><BR>
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<EM>> piture handed back either in a large memory buffer or in a file, ...) that
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</EM><BR>
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<EM>> originated form the system environment it was designed to run on.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Such a standard remote control API could then as well be exploited by a
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</EM><BR>
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<EM>> TWAIN layer to export a true TWAIN source on Win.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> > PR >We would only need to implement one TWAIN driver - the SANE driver,
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</EM><BR>
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<EM>> > PR >and a TWAIN API library to use this.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Please all interested parties: have a look at the TWAIN specs first, then
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</EM><BR>
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<EM>> continue discussing it. The old discussion suffered of a lack of knowledge
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</EM><BR>
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<EM>> about some TWAIN specifics in some points. The specs are openly available.
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</EM><BR>
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<EM>> Oliver Rauch, with whom I had discussed this topic at great length before
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</EM><BR>
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<EM>> I stopped active participation in the SANE project, should have pointers
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</EM><BR>
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<EM>> and copies of old conversations.
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</EM><BR>
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<EM>>
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</EM><BR>
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<P>Hi
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<BR>
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Twain is purely windows so it would be enough enabling the network midend to be
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<BR>
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able running on windows and this specific version or network module transforms
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<BR>
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sane backend outputs to twain output.
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<BR>
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Would be farely enough .
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<BR>
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cu
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<BR>
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Christopher Hintermüller
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<BR>
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<P><P><P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0155.html">Dirk Jakobsmeier: "Re: Linux Magazine Scanner story"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0153.html">becka@rz.uni-duesseldorf.de: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0153.html">becka@rz.uni-duesseldorf.de: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0157.html">Stephen Williams: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0156.html">Stephen Williams: "Re: TWAIN on Unix ?"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0157.html">Stephen Williams: "Re: TWAIN on Unix ?"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Thu Mar 16 2000 - 07:53:10 PST</EM>
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