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<TITLE>sane-devel: Re: image data format polarity</TITLE>
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<META NAME="Author" CONTENT="Petter Reinholdtsen (pere@hungry.com)">
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<META NAME="Subject" CONTENT="Re: image data format polarity">
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<H1>Re: image data format polarity</H1>
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<STRONG>From:</STRONG> Petter Reinholdtsen (<A HREF="mailto:pere@hungry.com?Subject=Re:%20image%20data%20format%20polarity&In-Reply-To=<200009110436.MAA24131@localhost.localdomain>"><EM>pere@hungry.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun Sep 10 2000 - 21:36:03 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0094.html">Steve Underwood: "Re: SnapScan Backend"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0092.html">Russ Burdick: "Re: SnapScan Backend"</A>
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<LI><STRONG>Maybe in reply to:</STRONG> <A HREF="0076.html">David Paschal: "image data format polarity"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0096.html">Ingo Wilken: "Re: image data format polarity"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0096.html">Ingo Wilken: "Re: image data format polarity"</A>
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[David Paschal]
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<EM>> On the other hand, for 1-bit depths (lineart, halftone), 0 means
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</EM><BR>
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<EM>> white and 1 means black. Is there any particular reason for this,
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</EM><BR>
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<EM>> especially since xsane and xscanimage both end up having to invert
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</EM><BR>
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<EM>> it anyway in order to display a preview?
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</EM><BR>
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<P>This sounds like a bug to me. The only partly sensible reason I can
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<BR>
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make up on the fly to use a encoding like this is to make sure black
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<BR>
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writing on white paper give mostly 0 bits.
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<BR>
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<P><EM>> In any case, I think this requirement should be mentioned in the
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</EM><BR>
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<EM>> SANE Standard document.
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</EM><BR>
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<P>Suggest a wording, post a patch. :-)
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<BR>
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<PRE>
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--
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##> Petter Reinholdtsen <## | <A HREF="mailto:pere@td.org.uit.no?Subject=Re:%20image%20data%20format%20polarity&In-Reply-To=<200009110436.MAA24131@localhost.localdomain>">pere@td.org.uit.no</A>
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<P>--
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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?Subject=Re:%20image%20data%20format%20polarity&In-Reply-To=<200009110436.MAA24131@localhost.localdomain>">majordomo@mostang.com</A>
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<LI><STRONG>Next message:</STRONG> <A HREF="0094.html">Steve Underwood: "Re: SnapScan Backend"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0092.html">Russ Burdick: "Re: SnapScan Backend"</A>
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<LI><STRONG>Maybe in reply to:</STRONG> <A HREF="0076.html">David Paschal: "image data format polarity"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0096.html">Ingo Wilken: "Re: image data format polarity"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0096.html">Ingo Wilken: "Re: image data format polarity"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Sun Sep 10 2000 - 21:31:45 PDT</EM>
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