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Adds font metrics to support font commands.

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This is part 1 of 3.  Rendering, screenshots, MathML, and unit tests will
follow in susbequent pull requests.
This commit is contained in:
Kevin Barabash
2015-07-04 15:20:05 -06:00
parent 549c2bf858
commit 67147b18ac
6 changed files with 579 additions and 15 deletions
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18
metrics/extract_tfms.py
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@@ -31,7 +31,11 @@ def main():
'cmsy10.tfm',
'cmti10.tfm',
'msam10.tfm',
'msbm10.tfm'
'msbm10.tfm',
'eufm10.tfm',
'cmtt10.tfm',
'rsfs10.tfm',
'cmss10.tfm',
]
# Extracted by running `\font\a=<font>` and then `\showthe\skewchar\a` in
@@ -48,7 +52,11 @@ def main():
'cmsy10': 48,
'cmti10': None,
'msam10': None,
'msbm10': None
'msbm10': None,
'eufm10': None,
'cmtt10': None,
'rsfs10': None,
'cmss10': None,
}
font_name_to_tfm = {}
@@ -68,7 +76,11 @@ def main():
tex_char_num = int(char_data['char'])
yshift = float(char_data['yshift'])
tfm_char = font_name_to_tfm[font].get_char_metrics(tex_char_num)
if family == "Script-Regular":
tfm_char = font_name_to_tfm[font].get_char_metrics(tex_char_num,
fix_rsfs=True)
else:
tfm_char = font_name_to_tfm[font].get_char_metrics(tex_char_num)
height = round(tfm_char.height + yshift / 1000.0, 5)
depth = round(tfm_char.depth - yshift / 1000.0, 5)