[tex-live] Re: [Fontforge-devel] Re: UTF8 and (La)TeX backend?
hanwen at xs4all.nl
Wed Jan 5 00:40:56 CET 2005
gww at silcom.com writes:
> On Tue, 2005-01-04 at 14:11, Han-Wen Nienhuys wrote:
> > Hmm. I'd say it should contain all info from the TFM
> > * metrics (these are entirely unrelated to the extents of the
> > outlines)
> The advance widths have their natural place.
> Height/Depth information:
> Per glyph Bounding box information is stored before every glyph in a
> tt file (more accurately than in a tfm file). These data are not
> stored in a cff file but are easily calculated from outlines.
Then they have to be there in the CFF separately. The H/D can be
different from the outlines, eg. due to overshoot.
> > * 30 spacing parameters
> I'm not sure what you mean by this. Are these the font parameter words?
> If so there may be 8 or 23 or 14... Oh, perhaps I see, if you don't
> overload them then there are 30 of them.
in my TFM reader it says,
/* The maximum number of global font parameters we allow. */
#define TFM_MAX_FONTDIMENS 30
I guess they're font parameter words.
> > * checksum
> Why? It has no meaning in an sfnt. Sfnts have their own checksums.
Hmm. Good point. TeX reads checksums when it writes DVI files. I
suppose that they're moot as long as TeX itself doesn't read Sfnts
> Any thoughts on a tag for the table? "TEX ", "TeX ", "TFM " ...
TeX seems nice.
Han-Wen Nienhuys | hanwen at xs4all.nl | http://www.xs4all.nl/~hanwen
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