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<TITLE>sane-devel: The problem of xscanimage by CanoscanFB620S</TITLE>
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<META NAME="Author" CONTENT="Mitsuru$B!!(BOkaniw (m-okaniwa@bea.hi-ho.ne.jp)">
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<META NAME="Subject" CONTENT="The problem of xscanimage by CanoscanFB620S">
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<H1>The problem of xscanimage by CanoscanFB620S</H1>
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<!-- received="Wed Oct 4 01:33:51 2000" -->
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<STRONG>From:</STRONG> Mitsuru$B!!(BOkaniw (<A HREF="mailto:m-okaniwa@bea.hi-ho.ne.jp?Subject=Re:%20The%20problem%20of%20xscanimage%20by%20CanoscanFB620S&In-Reply-To=<000001c02dde$1c475380$6425530a@necpcuser>"><EM>m-okaniwa@bea.hi-ho.ne.jp</EM></A>)<BR>
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<STRONG>Date:</STRONG> Tue Oct 03 2000 - 21:13:31 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0040.html">Collins, Martin: "Lineart with xsane/mustek (Was: Patch for sane.tex (image polarit y))"</A>
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<UL>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0038.html">Douglas Gilbert: "Re: SCSI or Scanner???"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0047.html">Lawrence Glaister: "Re: The problem of xscanimage by CanoscanFB620S"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0047.html">Lawrence Glaister: "Re: The problem of xscanimage by CanoscanFB620S"</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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I'm trying to work xscanimage by CanoscanFB620S properly.
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<BR>
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The problem of xscanimage by CanoscanFB620S is that
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<BR>
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the scanimage made by FB620S is not a normal image.
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<BR>
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The image is the diagonal stripes against black.
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<BR>
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I tried to look up the debug-file and I thought that the cause of
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<BR>
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the diagonal stripes scanimage was a difference between
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<BR>
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number of 'bytes_per_line' and number of bytes of
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<BR>
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'sanei_scsi_req_wait'. I think the number of 'bytes_per_line' must be equal
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<BR>
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to the number of bytes of 'sanei_scsi_req_wait'.
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<BR>
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Is my thought wrong?
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<BR>
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Would anybody teach me the part of sane program which I change
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<BR>
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to fix the difference of 'bytes_per_line' and 'sanei_scsi_req_wait'
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<BR>
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if my thought is not wrong.
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<BR>
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Would anybody teach me the way of fix the difference.
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<BR>
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<P>The problem parts of the debug-file are as follows.
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<BR>
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---------------------------------------------------------
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<BR>
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[canon] sane_get_parameters: xres='75', yres='75', pixels_per_line='637',
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<BR>
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bytes_per_line='1911', <==== Look at this number !
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<BR>
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lines='876'
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<BR>
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[canon] << sane_get_parameters
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<BR>
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[dll] set_io_mode(handle=0x8099990,nonblocking=1)
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<BR>
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[canon] >> sane_set_io_mode
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<BR>
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[canon] << sane_set_io_mode
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<BR>
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[dll] read(handle=0x8099990,data=0xbfffcc1c,maxlen=8192,lenp=0xbfffcc18)
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<BR>
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[canon] >> sane_read
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<BR>
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[canon] >> read_data
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<BR>
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[sanei_scsi] scsi_req_enter: entered 0x8080e28
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<BR>
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[sanei_scsi] sanei_scsi_req_wait: waiting for 0x8080e28
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<BR>
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[sanei_scsi] sanei_scsi.issue: 0x8080e28
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<BR>
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[sanei_scsi] sanei_scsi_req_wait: read 8228 bytes <==== Look at this number
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<BR>
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!
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<BR>
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[canon] << read_data
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<BR>
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[canon] << sane_read
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<BR>
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[dll] read(handle=0x8099990,data=0xbfffcc1c,maxlen=8192,lenp=0xbfffcc18)
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<BR>
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<P>regards,
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<BR>
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<P>-----------------------------
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<BR>
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Mitsuru Okaniwa
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<BR>
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email : <A HREF="mailto:m-okaniwa@bea.hi-ho.ne.jp?Subject=Re:%20The%20problem%20of%20xscanimage%20by%20CanoscanFB620S&In-Reply-To=<000001c02dde$1c475380$6425530a@necpcuser>">m-okaniwa@bea.hi-ho.ne.jp</A>
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<BR>
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tel : (Japan)0566-26-6105
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<BR>
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-----------------------------
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<BR>
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<P><P><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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</PRE>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0040.html">Collins, Martin: "Lineart with xsane/mustek (Was: Patch for sane.tex (image polarit y))"</A>
|
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<LI><STRONG>Previous message:</STRONG> <A HREF="0038.html">Douglas Gilbert: "Re: SCSI or Scanner???"</A>
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<!-- nextthread="start" -->
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0047.html">Lawrence Glaister: "Re: The problem of xscanimage by CanoscanFB620S"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0047.html">Lawrence Glaister: "Re: The problem of xscanimage by CanoscanFB620S"</A>
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: <EM>Wed Oct 04 2000 - 01:35:34 PDT</EM>
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