Re: partial downloading with dvips

["Berthold K.P. Horn" <bkph@ai.mit.edu>]

Hi:

I believe the problem may be that true Adobe PS interpreters
used in some popular Apple printers made during a certain
period cannot handle more than two elements in the
StemSnapH and StemSnapV lists.  This font has:

/StemSnapH [ 19 21 28 33 52 ] ND
/StemSnapV [ 17 18 19 36 39 45 52 129 212 ] ND

There is code one can add to test for printers of this type
and then use shortened lists, but this font does not use this
(tedious) refinement
(there are other problems with this font such as
many reversed contours, and truly chaotic "auto-hinting",
but that should not affect the printer or DVIPS
except in quality of output).

Regards, Berthold.

At 18:25 2000-08-22 -0400, Tom Kacvinsky wrote:
> Hi Werner,
>
> The short answer is "I don't know!".
>
> That may sound flippant, but the problem is that the subsetting 
> code
> (t1part.c) is very senstive to overly long comments, etc... that
> reside in the fonts, and there were some minor bugs in early
> versions
> on dvips 5.86.  I did a fair amount os scrutinizing, and gave up
> on
> some of the problems (because it would require a *very* robust PS
> tokenizer to fix the problem sin t1part.c). Han The Thanh's
> writet1.c
> is now used for font subsetting, and is more robust than t1part.c.
>
> I suspect that the font you are having problems with was generated
> in
> Fontographer.  If so, use the t1utils tools to disassemble the
> font,
> clean out the crufty comments in the eexec portion, and add the
> line:
>
> 0 1 255 {1 index exch /.notdef put} for
>
> immediately after the /Encoding 256 array line.
>
> Then reassemble the font and try again.
>
> If you still have problems, let me know.
>
> Regards,
>
> Tom
>
> P.S.  I am forwarding this to the tex-k mailing list, because there
> are
> others there that might find this useful.
>
> On Tue, 22 Aug 2000, Werner LEMBERG wrote:
>
> > 
> > Dear friends,
> > 
> > 
> > which prerequisites are necessary to make a font partially
> > downloadable by dvips?  I have a font which works with -j0, but
> my old
> > Apple printer with an original Adobe PS interpreter rejects
> documents
> > created with -j1.  GhostScript works fine, and pdfTeX also
> produces
> > results viewable with Acroread.
> > 
> > I'm using the latest teTeX beta with dvipsk 5.86d.
> > 
> > 
> >     Werner
> >

--

Berthold K.P. Horn
mailto:bkph@ai.mit.edu
http://www.ai.mit.edu/people/bkph (NC)