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 <H1>Re: TWAIN on Unix ?</H1>
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 <STRONG>From:</STRONG> Oliver Rauch (<A HREF="mailto:oliver.rauch@Wolfsburg.DE?Subject=Re:%20TWAIN%20on%20Unix%20?&In-Reply-To=&lt;38D16802.312A1F9F@wolfsburg.de&gt;"><EM>oliver.rauch@Wolfsburg.DE</EM></A>)<BR>
 <STRONG>Date:</STRONG> Thu Mar 16 2000 - 15:02:26 PST
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 Petter Reinholdtsen wrote:
 <BR>
 <P><EM>&gt; I've been watching the unix ODBC drivers currently being developed,
 </EM><BR>
 <EM>&gt; and keep woundering if it would be a good idea to adapt the TWAIN API
 </EM><BR>
 <EM>&gt; as the high level API for scanners on UNIX.
 </EM><BR>
 <EM>&gt;
 </EM><BR>
 <EM>&gt; We would only need to implement one TWAIN driver - the SANE driver,
 </EM><BR>
 <EM>&gt; and a TWAIN API library to use this.
 </EM><BR>
 <EM>&gt;
 </EM><BR>
 <EM>&gt; I guess if we write the TWAIN driver using a cross-platform GUI
 </EM><BR>
 <EM>&gt; library, we could use the same driver on Unix and Windows - making the
 </EM><BR>
 <EM>&gt; SANE devices available on Windows as well. :-)
 </EM><BR>
 <EM>&gt;
 </EM><BR>
 <EM>&gt; Any ideas?  Is there anyone on this list with TWAIN experience?  Are
 </EM><BR>
 <EM>&gt; there any example programs using the TWAIN API available?
 </EM><BR>
 <EM>&gt; --
 </EM><BR>
 <EM>&gt;
 </EM><BR>
 <P>Hi Petter,
 <BR>
 <P>we already had that discussion where a chairman of the TWAIN organization
 <BR>
 has been involved.
 <BR>
 <P>The problem is that the Windows TWAIN API depends on the Windows API (IPC).
 <BR>
 The TWAIN org wanted to implement the same API for unix what would be very bad.
 <BR>
 The problem is that on windows the driver is a part of the frontend-process and so all
 <BR>
 events have to be passed through to the backend.
 <BR>
 <P>There already is a second TWAIN interface for the apple mac that is not compatible to
 <BR>
 the windows TWAIN API.
 <BR>
 <P>We suggested to create a unix TWAIN API that is as compatible as possible to the WIN TWAIN
 <BR>
 but with some differences that use the special functions of unix systems.
 <BR>
 <P>I still would like to add a WIN and a UNIX TWAIN API to xsane but in the near future I do not
 <BR>
 have the time to work on it.
 <BR>
 <P>After all: it is not so simple like it looks at first.
 <BR>
 <P>Bye
 <BR>
 Oliver
 <BR>
 <P><P><PRE>
 --
 Homepage:       <A HREF="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</A>
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 <P><P><P>--
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143 wiersze 5.5 KiB HTML Czysty Wina Historia

143 wiersze

5.5 KiB

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Czysty Wina Historia