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<TITLE>sane-devel: Re: Preview functionality</TITLE>
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<META NAME="Author" CONTENT="Oliver Rauch (oliver.rauch@Wolfsburg.DE)">
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<META NAME="Subject" CONTENT="Re: Preview functionality">
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<H1>Re: Preview functionality</H1>
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<!-- name="Oliver Rauch" -->
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<!-- subject="Re: Preview functionality" -->
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<STRONG>From:</STRONG> Oliver Rauch (<A HREF="mailto:oliver.rauch@Wolfsburg.DE?Subject=Re:%20Preview%20functionality&In-Reply-To=<38B1B1F5.5CBEEB8D@wolfsburg.de>"><EM>oliver.rauch@Wolfsburg.DE</EM></A>)<BR>
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<STRONG>Date:</STRONG> Mon Feb 21 2000 - 13:45:25 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0271.html">Oliver Rauch: "Lineart features of xsane."</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0269.html">Oliver Rauch: "Re: Xsane-0.55: scan resolution selection (Epson 1200S, CVS Sane)"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0268.html">Randolph Bentson: "Preview functionality"</A>
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<P>
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Randolph Bentson wrote:
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<BR>
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<P><EM>> I wrote the backend drivers for the Fujitsu scanners, but left
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</EM><BR>
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<EM>> out one significant function: preview. I did so because, absent
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</EM><BR>
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<EM>> a working scanner of some other type, it wasn't obvious to me what
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</EM><BR>
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<EM>> preview was all about. I didn't see what it did that a normal scan
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</EM><BR>
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<EM>> didn't. My cursory reading of other backends didn't reveal what
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</EM><BR>
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<EM>> was expected of this function, and since my interest was in the ADF
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</EM><BR>
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<EM>> capability which doesn't seem to mesh well with previewing, I left
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</EM><BR>
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<EM>> it out. If anyone would wish to point me to a clear description of
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</EM><BR>
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<EM>> what preview is all about, I'll look into adding this functionality.
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</EM><BR>
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<EM>>
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</EM><BR>
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<P>Hi Randolph,
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<BR>
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<P>some scanners have a special preview function that eg. does a fast calibration.
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<BR>
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<P>Another thing is that if your backend enables different x and y resolution
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<BR>
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the preview mode should/could set the same values for x and y. This is
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<BR>
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necessary because there is no well known option "yresolution", only "resolution"
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<BR>
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is defined.
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<BR>
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<P>But there is nothing that MUST be done.
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<BR>
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<P>Bye
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<BR>
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Oliver
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<BR>
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<P><P><PRE>
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--
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Homepage: <A HREF="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</A>
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sane-umax: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-umax.html">http://www.wolfsburg.de/~rauch/sane/sane-umax.html</A>
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xsane: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-xsane.html">http://www.wolfsburg.de/~rauch/sane/sane-xsane.html</A>
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E-Mail: mailto:<A HREF="mailto:Oliver.Rauch@Wolfsburg.DE?Subject=Re:%20Preview%20functionality&In-Reply-To=<38B1B1F5.5CBEEB8D@wolfsburg.de>">Oliver.Rauch@Wolfsburg.DE</A>
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<P><P><P><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:%20Preview%20functionality&In-Reply-To=<38B1B1F5.5CBEEB8D@wolfsburg.de>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0271.html">Oliver Rauch: "Lineart features of xsane."</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0269.html">Oliver Rauch: "Re: Xsane-0.55: scan resolution selection (Epson 1200S, CVS Sane)"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0268.html">Randolph Bentson: "Preview functionality"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Mon Feb 21 2000 - 13:42:06 PST</EM>
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