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<title>sane-devel: Re: Output filters for xscanimage:a simple attempt</title>
<h1>Re: Output filters for xscanimage:a simple attempt</h1>
<b>Stefan Illy</b> (<a href="mailto:stefan.illy@itp.fzk.de"><i>stefan.illy@itp.fzk.de</i></a>)<br>
<i>Thu, 19 Nov 1998 09:09:48 +0100 (MET)</i>
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<i>&gt; Date: Mon, 16 Nov 1998 11:46:45 +0100</i><br>
<i>&gt; From: wolfgang rapp &lt;<a href="mailto:w1.rapp@von.ulm.de">w1.rapp@von.ulm.de</a>&gt;</i><br>
<i>&gt;</i><br>
<i>&gt; Hi,</i><br>
<i>&gt; Think this will not work in general with all backends.</i><br>
<i>&gt; Have a look to xscanimage.c What are you doing with the fseek calls on</i><br>
<i>&gt; your pipes? You may buffer all data from the scanner like scanimage and</i><br>
<i>&gt; then put to the pipe. But at this point you can call the image</i><br>
<i>&gt; generation libs from inside xscanimage direct.</i><br>
<p>
You are right, thank you for pointing that out.<br>
<p>
I tried the code only with the microtek2 backend and had no<br>
problems (up to now). I will have a deeper look at xscanimage.c.<br>
<p>
What is the reason for using fseek (and also ftell) in xscanimage.c?<br>
Is there a possibility for avoiding this in future releases of sane?<br>
<p>
Best wishes, Stefan<br>
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--
Stefan Illy | Institut fuer Technische Physik (ITP)
e-mail: <a href="mailto:stefan.illy@itp.fzk.de">stefan.illy@itp.fzk.de</a> | Forschungszentrum Karlsruhe GmbH
phone: (+49) 07247/82-4165 | Hermann-von-Helmholtz-Platz 1
fax: (+49) 07247/82-2849 | D-76344 Eggenstein-Leopoldshafen, Germany
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