[NTG-pdftex] ttf fonts reported as non-subsetted

[The Thanh Han]

Hi,

I must have thought of it while implementing the subset tags for type1
fonts. However, to be honest, I don't remember the reason why I left
name records of ttf fonts without subset tags (I guess laziness is the
correct answer :). Anyway it would be nice to have it fixed. I will
download the truetype specification again and look at this issue.

Regards,
Thanh

> Hi,
> 
> there seem to be a few inconsistencies in the way how pdftex handles
> Type1 vs. TT fonts:
> 
> 1. Subsetted Type1 fonts get a 6-character with + sign extension like
> 
> /BaseFont /FCLRSI+CMR10
> 
> in the PDF file, but TT fonts don't get this; there it's simply
> 
> /BaseFont /CMR10
> 
> Therefore even subsetted TT fonts are normally _not_ detected as
> subsetted by the viewer or pdffonts program.
> 
> So this should probably be added to the TTF routines...
> 
> 2. For Type1 fonts, the /BaseFont entry is always taken from the
> /FontName entry in the font. However for TT fonts the /BaseFont entry in
> the PDF file is copied from the tfmname (!) field in the mapline, if no
> psname is stated there, else it's taken from the psname of the mapline.
> E. g.
> 
> \pdfmapline{+Packa___ <8r.enc <PackardAntique.ttf}
> 
> gives in the PDF file:
> 
> /BaseFont /Packa___
> 
> (which should be PackardAntique-Regular), whereas
> 
> \pdfmapline{+Packa___ FOO <8r.enc <PackardAntique.ttf}
> 
> gives
> 
> /BaseFont /FOO
> 
> Here maybe always the /FontName from the TT font should be taken; it's
> an ASCII string with NameID 6 in the TTF name record. Then it would be
> consistent with Type1.
> 
> Regards, Hartmut
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> 
>