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