sane-project-website/old-archive/2001-03/0122.html

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<H1>Re: Have a &quot;scan&quot; button? Read this...</H1>
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<STRONG>From:</STRONG> Karl Heinz Kremer (<A HREF="mailto:khk@khk.net?Subject=Re:%20Have%20a%20&quot;scan&quot;%20button?%20Read%20this...&In-Reply-To=&lt;20010308171156.A26081@khk.net&gt;"><EM>khk@khk.net</EM></A>)<BR>
<STRONG>Date:</STRONG> Thu Mar 08 2001 - 14:11:56 PST
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On Thu, Mar 08, 2001 at 09:42:57PM +0000, Tim Waugh wrote:
<BR>
<EM>&gt; On Thu, Mar 08, 2001 at 09:39:16PM +0000, Frederik Ramm wrote:
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; &gt; I hadn't seen it before but you're right, gbuttond does for HP
</EM><BR>
<EM>&gt; &gt; scanners what my application does for the Fujitsu. I'll talk to the
</EM><BR>
<EM>&gt; &gt; guy and maybe we can merge it into one application. Thanks for
</EM><BR>
<EM>&gt; &gt; pointing it out.
</EM><BR>
<EM>&gt;
</EM><BR>
<EM>&gt; Oh, I'd missed that they were each for specific types of scanner.
</EM><BR>
<P>... and this is IMHO the wrong approach. The right way to do it would
<BR>
be to implement one function in the backend that would report the
<BR>
button status. This way the &quot;button scan daemon&quot; would work with
<BR>
every backend that supports this function.
<BR>
<P>The Fujitsu approach wont work with USB scanners, by adding it into
<BR>
the backend the interface type does no longer matter, because the
<BR>
backend would know how to query the scanner.
<BR>
<P>Karl Heinz
<BR>
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