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<TITLE>sane-devel: Re: quick note from the TWAIN/SANE meeting at OLS</TITLE>
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<META NAME="Author" CONTENT="Nick Lamb (njl98r@ecs.soton.ac.uk)">
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<H1>Re: quick note from the TWAIN/SANE meeting at OLS</H1>
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<STRONG>From:</STRONG> Nick Lamb (<A HREF="mailto:njl98r@ecs.soton.ac.uk?Subject=Re:%20quick%20note%20from%20the%20TWAIN/SANE%20meeting%20at%20OLS&In-Reply-To=<20000802032514.A21765@ecs.soton.ac.uk>"><EM>njl98r@ecs.soton.ac.uk</EM></A>)<BR>
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<STRONG>Date:</STRONG> Tue Aug 01 2000 - 19:25:14 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0013.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0011.html">Karl Heinz Kremer: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0010.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0013.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0011.html">Karl Heinz Kremer: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0013.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<P>
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On Tue, Aug 01, 2000 at 02:02:14PM -0700, Stephen Williams wrote:
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<BR>
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<EM>> I just might. How 'bout a JPEG file backend (kinda like the PNG driver)
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</EM><BR>
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<P>PNM driver? Good idea, but I wouldn't recommend using the PNM driver
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<BR>
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as an example to crib from, except at a very surface level.
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<BR>
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<P><EM>> that can read jpeg files and supports passing JFIF or RGB to the app?
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</EM><BR>
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<P>Yes, great idea. The proposal for SANE 1.x / 2.x I wrote at
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<BR>
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<A HREF="http://www.ecs.soton.ac.uk/~njl98r/code/">http://www.ecs.soton.ac.uk/~njl98r/code/</A> suggests that the JFIF
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<BR>
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data would be sent in a frame of type
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<BR>
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SANE_FRAME_JPEG, a constant with the value 11, but you'd have to
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<BR>
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hard-code that in your backend for now I suppose.
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<BR>
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<P>Assuming previews (if they're supported at all) are RGB only, to
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<BR>
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add support for _FRAME_JPEG to Xsane and so on is not difficult
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<BR>
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either, once the JPEG backend exists.
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<BR>
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<P>A standard option for JFIF vs RGB (vs G3 ...) would be nice, and
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<BR>
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I didn't include one of those in that proposal, mostly because I
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<BR>
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hoped I'd get more feedback before continuing :(
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<BR>
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<P>What else that you'd want in a "first cut" driver for your hardware
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<BR>
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is missing from the revised SANE 1.x as proposed? I have never seen
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<BR>
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any other proposals extending 1.0 but it's obviously needed, so I
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<BR>
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submit what little I had done for further improvements.
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<BR>
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<P><EM>> In the process I would need to take it upon myself to define the file
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</EM><BR>
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<EM>> format interface and present it to the list. We have a discussion about
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</EM><BR>
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<EM>> this a while ago (remember?) so maybe I should just shut up and do it?-)
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> My desk is pretty full (I have my own GPL projects, too:-) but this
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</EM><BR>
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<EM>> just might qualify as work related, and that would free up some of my
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</EM><BR>
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<EM>> time.
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</EM><BR>
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<EM>> --
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</EM><BR>
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<EM>> Steve Williams "The woods are lovely, dark and deep.
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</EM><BR>
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<EM>> <A HREF="mailto:steve@icarus.com?Subject=Re:%20quick%20note%20from%20the%20TWAIN/SANE%20meeting%20at%20OLS&In-Reply-To=<20000802032514.A21765@ecs.soton.ac.uk>">steve@icarus.com</A> But I have promises to keep,
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</EM><BR>
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<EM>> <A HREF="mailto:steve@picturel.com?Subject=Re:%20quick%20note%20from%20the%20TWAIN/SANE%20meeting%20at%20OLS&In-Reply-To=<20000802032514.A21765@ecs.soton.ac.uk>">steve@picturel.com</A> and lines to code before I sleep,
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</EM><BR>
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<EM>> <A HREF="http://www.picturel.com">http://www.picturel.com</A> And lines to code before I sleep."
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> --
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</EM><BR>
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<EM>> Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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</EM><BR>
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<EM>> To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20quick%20note%20from%20the%20TWAIN/SANE%20meeting%20at%20OLS&In-Reply-To=<20000802032514.A21765@ecs.soton.ac.uk>">majordomo@mostang.com</A>
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</EM><BR>
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<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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20quick%20note%20from%20the%20TWAIN/SANE%20meeting%20at%20OLS&In-Reply-To=<20000802032514.A21765@ecs.soton.ac.uk>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0013.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0010.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0013.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0011.html">Karl Heinz Kremer: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0013.html">Stephen Williams: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Tue Aug 01 2000 - 19:15:46 PDT</EM>
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