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<TITLE>sane-devel: Re: Questions about include/sane files</TITLE>
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<H1>Re: Questions about include/sane files</H1>
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<STRONG>From:</STRONG> <A HREF="mailto:becka@rz.uni-duesseldorf.de?Subject=Re:%20Questions%20about%20include/sane%20files&In-Reply-To=<200003091102.MAA07166@zeus.rz.uni-duesseldorf.de>"><EM>becka@rz.uni-duesseldorf.de</EM></A><BR>
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<STRONG>Date:</STRONG> Thu Mar 09 2000 - 03:02:39 PST
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0089.html">Oliver Rauch: "Re: Questions about include/sane files"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0087.html">Christoph Hintermüller: "Addition to may qestion aboaut HL-P2x00"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0084.html">Henning Meier-Geinitz: "Questions about include/sane files"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0089.html">Oliver Rauch: "Re: Questions about include/sane files"</A>
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<P>
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Hi !
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<BR>
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<P><EM>> sanei_codec_bin.h and sanei_codec_ascii.h say they are part oft the SANE
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</EM><BR>
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<EM>> API. Is this correct?
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</EM><BR>
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<P>They are part of the SANE net protocol and define two possible encodings for
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<BR>
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the RPC stream.
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<BR>
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<P><EM>> saneopt.h looks like this:
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</EM><BR>
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<EM>> [...]
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</EM><BR>
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<EM>> #define SANE_NAME_SCAN_RESOLUTION "resolution"
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</EM><BR>
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<EM>> #define SANE_NAME_SCAN_X_RESOLUTION "resolution"
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</EM><BR>
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<EM>> #define SANE_NAME_SCAN_Y_RESOLUTION "y-resolution"
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</EM><BR>
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<EM>> [...]
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</EM><BR>
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<EM>> Shouldn't this be "x-resolution" for the second line?
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</EM><BR>
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<P>No. The idea is to have "resolution" as a standard option in both devices that
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<BR>
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can control both values and devices that can only control one of them.
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<BR>
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<P>This is handy for scripting and similar stuff. IMHO a backend for devices that
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<BR>
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can control both, should keep both in sync until there is a write access to
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<BR>
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y-resolution. This gives expected behaviour for scripts.
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<BR>
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<P><EM>> A license question. If I understood correctly, the SANE API is public domain
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</EM><BR>
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<EM>> (sane.h + sane_net.h), the rest should be GPL (+exception for linking).
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</EM><BR>
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<P>That is the idea. The standard itself should be open, so that commercial
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<BR>
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drivers are possible, but commercial drivers shouldn't just be done by
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<BR>
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ripping our sources.
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<BR>
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<P><EM>> Looking at the header files in include/sane some have the GPL (+exception)
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</EM><BR>
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<EM>> note, some have a pure GPL and some don't mention any sort of license. Is
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</EM><BR>
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<EM>> this done intensionally or shouldn't all but the API files files have the
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</EM><BR>
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<EM>> GPL (+exception) License?
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</EM><BR>
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<P>Hmm - actually there isn't much point in licensing headers (which is close to
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<BR>
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patenting the wheel IMHO), but to be sure one should at least hint at the
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<BR>
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appropriate licensing there.
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<BR>
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<P>CU, ANdy
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<BR>
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<P><PRE>
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--
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Andreas Beck | Email : <<A HREF="mailto:Andreas.Beck@ggi-project.org?Subject=Re:%20Questions%20about%20include/sane%20files&In-Reply-To=<200003091102.MAA07166@zeus.rz.uni-duesseldorf.de>">Andreas.Beck@ggi-project.org</A>>
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<P>--
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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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20Questions%20about%20include/sane%20files&In-Reply-To=<200003091102.MAA07166@zeus.rz.uni-duesseldorf.de>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0089.html">Oliver Rauch: "Re: Questions about include/sane files"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0084.html">Henning Meier-Geinitz: "Questions about include/sane files"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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