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<!-- received="Wed Aug 18 10:57:09 1999 PDT" -->
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<!-- sent="Wed, 18 Aug 1999 18:58:58 +0100 (GMT)" -->
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<!-- name="Nick Lamb" -->
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<!-- email="njl98r@ecs.soton.ac.uk" -->
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<!-- subject="Re: SANE V2" -->
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<!-- inreplyto="19990818194000.B502@rz.uni-duesseldorf.de" -->
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<title>sane-devel: Re: SANE V2</title>
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<h1>Re: SANE V2</h1>
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<b>Nick Lamb</b> (<a href="mailto:njl98r@ecs.soton.ac.uk"><i>njl98r@ecs.soton.ac.uk</i></a>)<br>
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<i>Wed, 18 Aug 1999 18:58:58 +0100 (GMT)</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#229">[ date ]</a><a href="index.html#229">[ thread ]</a><a href="subject.html#229">[ subject ]</a><a href="author.html#229">[ author ]</a>
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<li> <b>Next message:</b> <a href="0230.html">Andreas Beck: "Re: Mustek Paragon 1200SP"</a>
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<li> <b>Previous message:</b> <a href="0228.html">Andreas Beck: "Re: SANE V2"</a>
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</ul>
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On Wed, 18 Aug 1999, Andreas Beck wrote:<br>
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<p>
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<i>> > > 1. Medium-Old frontends that do not know format xxx together with a</i><br>
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<i>> > > driver that does. Those frontends cannot do anything reasonable with</i><br>
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<i>> > > the data the driver offers in format xxx. </i><br>
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<i>> </i><br>
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<i>> > ... and won't get it because they don't ask for it.</i><br>
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<i>> </i><br>
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<i>> I will not be able to get a format the backend _can_ do, just because my</i><br>
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<i>> frontend can't be smart about it ?</i><br>
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<p>
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Depends on the frontend. If the frontend is Corel-Magic-Scan-Importer<br>
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and all it can do is take RGB/ GREY and insert it into a Corel App as<br>
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a graphics object, then NO of course it can't help you here.<br>
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<p>
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If the frontend was e.g. XSane, I would expect that it will leave the<br>
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Format selector as described previously (ie a SANE option) in the<br>
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Advanced dialog, if you want to play with it. Then you will receive an<br>
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unknown FRAME_ type, and it will say "Save?" or whatever...<br>
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<p>
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<i>> Note, that there is a question of how you ask for a frame format. Options</i><br>
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<i>> are global stuff. If you transfer multiframe stuff, you might get things you</i><br>
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<i>> did not specifically ask for, at least not in an (for the mind of a</i><br>
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<i>> program) obvious manner.</i><br>
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<p>
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I'll assume you mean multi-image (just how hard is it to get terminology<br>
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straight on this list?) in which case you need loads of options anyway for<br>
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scanners like the ones described recently.<br>
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<p>
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/-Area 1------------------\ <br>
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<i>| Format [JPEG] | NB It is NOT as has already been said</i><br>
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<i>| Top left [ 50] [ 50]| enough times, the intention that</i><br>
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<i>| Bottom right [105] [ 94]| the same interface would be used for</i><br>
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<i>| | my Coolscan III slide scanner as for</i><br>
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--Area 2------------------- a $5000 high speed doc scanner.<br>
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<i>| Format [G3 ] | </i><br>
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<i>| Top left [ 0] [ 0]| Just so long as they are united by a</i><br>
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<i>| Bottom right [ 50] [ 50]| common API standard.</i><br>
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\-------------------------/<br>
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<p>
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The SANE standard, or for the lack of one <sigh> common sense, will dictate<br>
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that no scanner will send me SANE_FRAME_FOO unless I asked for it. With<br>
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an interface like XSane, I can ask for it from Advanced options, and with<br>
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a custom-built interface as will doubtless be used for the B&H scanners in<br>
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some cases, the frontend app can be bright enough to do this for me.<br>
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<p>
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It's doubtfull that an interface like XSane would even support selecting<br>
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more than one image to send (SANE doesn't yet specify tlx[1] -- tlx[9]<br>
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or any similar mechanism) so for that case your argument is moot.<br>
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<p>
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Nick.<br>
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<p>
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<p>
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<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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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0230.html">Andreas Beck: "Re: Mustek Paragon 1200SP"</a>
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<li> <b>Previous message:</b> <a href="0228.html">Andreas Beck: "Re: SANE V2"</a>
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<!-- nextthread="start" -->
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<!-- reply="end" -->
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</ul>
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