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KaTeX/metrics
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Emily Eisenberg b7e55607cc Add skew and italic metrics for ttfs 
Summary:
Add the ability to base the metrics for a TTF character on the metrics
from one of the TFM characters.

Test Plan:
 - Make sure the tests still work
 - Make sure huxley tests didn't change

Reviewers: alpert

Reviewed By: alpert

Differential Revision: http://phabricator.khanacademy.org/D13217
2014-09-16 17:40:20 -07:00
..
extract_tfms.py Add accents 2014-09-13 21:30:35 -07:00
extract_ttfs.py Add skew and italic metrics for ttfs 2014-09-16 17:40:20 -07:00
mapping.pl Update metrics using TeX metrics instead of TTF metrics 2014-09-03 20:12:00 -07:00
parse_tfm.py Add accents 2014-09-13 21:30:35 -07:00
README.md Add the ability to extract metrics from ttfs 2014-09-12 14:59:28 -07:00
replace_line.py Move js files into src/ 2014-09-15 02:50:34 -07:00

README.md

How to generate new metrics

There are several requirements for generating the metrics used by KaTeX.

  • You need to have an installation of TeX which supports kpathsea. You can check this by running tex --version, and seeing if it has a line that looks like

    kpathsea version 6.2.0

  • You need the JSON module for perl. You can install this either from CPAN or with your package manager.

  • You need the python fontforge module. This is probably either installed with fontforge or can be installed from your package manager.

Once you have these things, run

make metrics

which should generate new metrics and place them into fontMetrics.js. You're done!