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Message from discussion Maxicode question
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Terry Burton  
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 More options Jan 19 2008, 9:34 am
From: "Terry Burton" <t...@terryburton.co.uk>
Date: Sat, 19 Jan 2008 14:34:22 +0000
Local: Sat, Jan 19 2008 9:34 am
Subject: Re: [postscriptbarcode] Maxicode question
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On Jan 17, 2008 9:17 PM, coyotegrin <CoyoteG...@gmail.com> wrote:

> According to the Maxicode specification, mode 4 should be the one with
> 93 codewords, whereas mode 5 allows only 77 codewords.  As such, if
> I'm not mistaken the code should actually read:

> % First symbol is the mode and the remainder are the padded message
> /cws [ mode 4 eq {94} {78} ifelse {33} repeat ] def
> cws 0 mode put
> cws 1 msg maxiparse putinterval

Hi Jean-Francois,

Well spotted - it was indeed a bug in the PostScript. Your supplied
fix is not quite correct because it does not take account for mode 6
which basically operates the same as mode 4, so in fact the correct
fix is:

/cws [ mode 5 eq {78} {94} ifelse {33} repeat ] def
cws 0 mode put
cws 1 msg maxiparse putinterval

I have put the fix into trunk and tagged the new release as 2007-01-19.

Thanks again,

Tez


 
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