kopia lustrzana https://gitlab.com/sane-project/website
70 wiersze
3.1 KiB
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70 wiersze
3.1 KiB
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<!-- received="Thu May 13 06:22:42 1999 PDT" -->
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<!-- sent="Thu, 13 May 1999 16:23:48 +0300" -->
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<!-- name="Milon Firikis" -->
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<!-- subject="Re: [Announce] WinSANE 0.1.0.0 Release" -->
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<!-- inreplyto="[Announce] WinSANE 0.1.0.0 Release" -->
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<title>sane-devel: Re: [Announce] WinSANE 0.1.0.0 Release</title>
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<h1>Re: [Announce] WinSANE 0.1.0.0 Release</h1>
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<b>Milon Firikis</b> (<a href="mailto:milonf@ariadne-t.gr"><i>milonf@ariadne-t.gr</i></a>)<br>
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<i>Thu, 13 May 1999 16:23:48 +0300</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#124">[ date ]</a><a href="index.html#124">[ thread ]</a><a href="subject.html#124">[ subject ]</a><a href="author.html#124">[ author ]</a>
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<li> <b>Next message:</b> <a href="0125.html">John Stoffel: "preview window feature request"</a>
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<li> <b>Previous message:</b> <a href="0123.html">Ewald R. de Wit: "Re: Coolscan LS-30 + best scanner"</a>
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<li> <b>Maybe in reply to:</b> <a href="0070.html">Brian Macy: "[Announce] WinSANE 0.1.0.0 Release"</a>
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</ul>
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Nick Lamb wrote:<br>
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<i>> </i><br>
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<i>> On Wed, 12 May 1999, Milon Firikis wrote:</i><br>
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<i>> </i><br>
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<i>> > For gray images:</i><br>
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<i>> > white --> 0</i><br>
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<i>> > black --> 255 (240)</i><br>
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<i>> </i><br>
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<i>> Milon - please enlighten us as to why we should believe you and not</i><br>
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<i>> (1) Most existing hardware and software</i><br>
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<i>> (2) The SANE standard documents</i><br>
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<i>> </i><br>
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<i>> ?</i><br>
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<i>> </i><br>
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<p>
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AHA! it seems that my backend managed to confused me this time. Of<br>
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course you are right and I am wrong. In gray scale images pixel values<br>
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represents intensity. Full intensity (255) is white and not black. The<br>
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reason I get confused is that apple scanners do it the other way around<br>
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and I failed to see where exactly I made the conversion in the byte<br>
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stream.<br>
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<p>
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Looks like a good idea to me to have this details either implemented or<br>
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at least documented. The macros could be something like<br>
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SANE_SCALE_TO_8(4bit value) // Multiplying with 17 as Matthias Fleischer<br>
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proposed<br>
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SANE_SCALE_TO_16(xbit value where x, 8<x<16) // As proposed by Andreas<br>
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Beck in <a href="http://www.mostang.com/mail-archive/sane-devel/1999-04/0097.html">http://www.mostang.com/mail-archive/sane-devel/1999-04/0097.html</a><br>
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<p>
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<p>
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MF<br>
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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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<!-- 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="0125.html">John Stoffel: "preview window feature request"</a>
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<li> <b>Previous message:</b> <a href="0123.html">Ewald R. de Wit: "Re: Coolscan LS-30 + best scanner"</a>
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<li> <b>Maybe in reply to:</b> <a href="0070.html">Brian Macy: "[Announce] WinSANE 0.1.0.0 Release"</a>
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<!-- nextthread="start" -->
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<!-- reply="end" -->
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</ul>
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