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<!-- received="Thu May 7 19:13:55 1998 PDT" -->
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<!-- sent="Thu, 7 May 1998 22:47:43 +0200 (MET DST)" -->
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<!-- name="becka@rz.uni-duesseldorf.de" -->
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<!-- subject="Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16"" -->
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<!-- id="m0yXXZv-0000XrC@charon.beck-sw.de" -->
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<title>sane-devel: Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16"</title>
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<h1>Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16"</h1>
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<a href="mailto:becka@rz.uni-duesseldorf.de"><i>becka@rz.uni-duesseldorf.de</i></a><br>
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<i>Thu, 7 May 1998 22:47:43 +0200 (MET DST)</i>
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<p>
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<li> <b>Messages sorted by:</b> <a href="date.html#92">[ date ]</a><a href="index.html#92">[ thread ]</a><a href="subject.html#92">[ subject ]</a><a href="author.html#92">[ author ]</a>
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<li> <b>Next message:</b> <a href="0093.html">Paul D. Robertson: "Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16""</a>
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<li> <b>Previous message:</b> <a href="0091.html">David Mosberger-Tang: "Re: DS-7 Backend"</a>
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<li> <b>In reply to:</b> <a href="0078.html">Oliver.Rauch@Wolfsburg.DE: "Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16""</a>
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<i>> > There are several PC graphics cards and many UNIX workstations that</i><br>
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<i>> > provide 32-48 bits per pixel. The current limit for X-based systems</i><br>
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<i>> > is 32-bits per pixel.</i><br>
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<i>> </i><br>
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<i>> As far as I know the 32bit mod of the PC-graphic-cards is a</i><br>
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<i>> mode where the 3 of 4 bytes are used for 24-bit-rgb and the</i><br>
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<i>> 4.th byte isn't used. </i><br>
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<p>
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Yes. This is the common case. Only a few very new boards/chipsets are prepared<br>
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to have a 10:10:10 mapping for 30 bits precision.<br>
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<p>
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However there exist 16 bit greyscale systems for medical image processing<br>
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(X rays) and a few 3x16=48 bit systems used for similar purposes.<br>
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<p>
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However I'd start worrying about those when we come across them. SANE<br>
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is able to read >8bpp data from the device, so ...<br>
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<p>
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CU, ANdy<br>
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<p>
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<pre>
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--
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= Andreas Beck | Email : <<a href="mailto:andreas.beck@ggi-project.org">andreas.beck@ggi-project.org</a>> =
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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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To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a>
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</pre>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0093.html">Paul D. Robertson: "Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16""</a>
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<li> <b>Previous message:</b> <a href="0091.html">David Mosberger-Tang: "Re: DS-7 Backend"</a>
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<li> <b>In reply to:</b> <a href="0078.html">Oliver.Rauch@Wolfsburg.DE: "Re: [umax] Can't use 10-bit scan: "preview cannot handle depth 16""</a>
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</ul>
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