[cl-pdf-devel] Using zpb-ttf to load Unicode ttf files

[Marc Battyani]

Hi all,

I apologize for the 7 years delay to add this into the cl-pdf repository!

It's now committed and pushed into the official cl-pdf repository which
is currently on github:
https://github.com/mbattyani/cl-pdf

BTW if you know about other stuff I forgot to add to
cl-pdf/cl-typesetting please let me know.

Marc

On 3/2/06, 17:33, Peter Heslin wrote:
> A couple of weeks ago, Zach Beane announced the release of his zpb-ttf
> library for reading TrueType Unicode font files.  cl-pdf already has
> support for using these fonts, but the metrics have to be read in via
> a "ufm" file, which has to be generated with a hacked version of
> ttf2pt1 -- a less than ideal situation.
>
> So I tried to get zpb-ttf to load the ttf font metrics.  I'll attach
> the file I came up with, which now allows a pure Lisp solution to
> using truetype fonts in cl-pdf.  I've tested it on just a few fonts,
> but it seems to work fine.
>
> Health warning: I don't have a deep understanding of all of the parts
> of this code, much of which was munged around and adapted from various
> parts of font-metrics.lisp.  It would be good if someone else who
> understands the issues were to review it.
>
> One thing I did notice is that zpb-ttf reports a different value for
> the font's descender, as compared to the ufm file generated by
> ttf2pt1.  Also, I used zpb-ttf's line-gap for (leading font-metric),
> but that's a guess.
>
>
>
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