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<TITLE>sane-devel: Re: Epson 610 color output truncated with scanimage</TITLE>
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<META NAME="Author" CONTENT="Kees Lemmens (C.W.J.Lemmens@its.tudelft.nl)">
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<META NAME="Subject" CONTENT="Re: Epson 610 color output truncated with scanimage">
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<H1>Re: Epson 610 color output truncated with scanimage</H1>
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<!-- received="Sun Feb 18 04:46:55 2001" -->
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<!-- isoreceived="20010218124655" -->
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<!-- sent="Sun, 18 Feb 2001 13:45:31 +0100" -->
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<!-- isosent="20010218124531" -->
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<!-- name="Kees Lemmens" -->
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<!-- email="C.W.J.Lemmens@its.tudelft.nl" -->
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<!-- subject="Re: Epson 610 color output truncated with scanimage" -->
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<!-- id="01021813542600.02535@giant" -->
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<!-- inreplyto="Epson 610 color output truncated with scanimage" -->
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<STRONG>From:</STRONG> Kees Lemmens (<A HREF="mailto:C.W.J.Lemmens@its.tudelft.nl?Subject=Re:%20Epson%20610%20color%20output%20truncated%20with%20scanimage&In-Reply-To=<01021813542600.02535@giant>"><EM>C.W.J.Lemmens@its.tudelft.nl</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun Feb 18 2001 - 04:45:31 PST
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0177.html">j.steindlberger@gmx.de: "Re: HP5300C - USB-problems?"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0175.html">Shea Martin: "preview in b/w"</A>
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<HR NOSHADE><P>
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<P>
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Hi,
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<BR>
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<P>Sorry to bother you again, but I improved the scanimage color hack for Epson
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<BR>
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Perfection 610 somewhat to work for all resolutions (75-150-300-600).
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<BR>
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<P>It may be useful for other people with a Perfection 610, so that is why I
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<BR>
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bother you all once more.
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<BR>
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<P>static void
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<BR>
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write_pnm_header (SANE_Frame format, int width, int height, int depth)
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<BR>
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{
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<BR>
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/* The netpbm-package does not define raw image data with maxval > 255. */
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<BR>
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/* But writing maxval 65535 for 16bit data gives at least a chance */
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<BR>
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/* to read the image. */
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<BR>
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+ #ifdef EPSON610_COLOR_HACK
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<BR>
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+ static int get_resolution (void);
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<BR>
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+ #endif
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<BR>
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<P> switch (format)
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<BR>
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{
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<BR>
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case SANE_FRAME_RED:
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<BR>
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case SANE_FRAME_GREEN:
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<BR>
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case SANE_FRAME_BLUE:
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<BR>
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case SANE_FRAME_RGB:
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<BR>
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printf ("P6\n# SANE data follows\n%d %d\n%d\n",
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<BR>
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+ #ifdef EPSON610_COLOR_HACK
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<BR>
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+ width,height -get_resolution() / 15,
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<BR>
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+ #else
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<BR>
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width,height,
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<BR>
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+ #endif
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<BR>
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(depth <= 8) ? 255 : 65535);
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<BR>
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break;
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<BR>
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<P>Now recompiling with with -DEPSON610_COLOR_HACK produces ppm files with the
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<BR>
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height parameter adjusted to fit (more or less) the actual image size (only for
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<BR>
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color !)
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<BR>
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<P>best regards,
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<BR>
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<PRE>
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--
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Kees Lemmens,
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Email: <A HREF="mailto:C.W.J.Lemmens@its.tudelft.nl?Subject=Re:%20Epson%20610%20color%20output%20truncated%20with%20scanimage&In-Reply-To=<01021813542600.02535@giant>">C.W.J.Lemmens@its.tudelft.nl</A>,
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WWW : <A HREF="http://ta.twi.tudelft.nl/DV/Staff/Lemmens/index.html">http://ta.twi.tudelft.nl/DV/Staff/Lemmens/index.html</A>
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Home : 010-4742919/4740254, Office: 015-2787224, Fax/XOIP: 020-8666099
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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:%20Epson%20610%20color%20output%20truncated%20with%20scanimage&In-Reply-To=<01021813542600.02535@giant>">majordomo@mostang.com</A>
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</PRE>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Sun Feb 18 2001 - 04:51:59 PST</EM>
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