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ufo: must scale max_err_em list by UPEM

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When the 'max_err_em' argument is a float, we multiply it
by the font.info.unitsPerEm. However we were not doing it when
the argument is a list of floats...
This commit is contained in:
Cosimo Lupo 2017-10-31 18:23:21 +00:00
parent fabada54b1
commit e648ef3f89
1 changed files with 7 additions and 4 deletions
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11
Lib/cu2qu/ufo.py
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@ -233,14 +233,17 @@ def fonts_to_quadratic(
max_err_em = DEFAULT_MAX_ERR
if isinstance(max_err, (list, tuple)):
assert len(max_err) == len(fonts)
max_errors = max_err
elif isinstance(max_err_em, (list, tuple)):
max_errors = max_err_em
elif max_err:
max_errors = [max_err] * len(fonts)
else:
if isinstance(max_err_em, (list, tuple)):
assert len(fonts) == len(max_err_em)
max_errors = [f.info.unitsPerEm * e
for f, e in zip(fonts, max_err_em)]
elif max_err_em:
max_errors = [f.info.unitsPerEm * max_err_em for f in fonts]
assert len(max_errors) == len(fonts)
modified = False
for name in set().union(*(f.keys() for f in fonts)):