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[scale-upem] Add docstring

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This commit is contained in:
Behdad Esfahbod 2022-08-17 14:16:45 -06:00
parent 596c571c1c
commit adf6a67a7a
1 changed files with 7 additions and 1 deletions
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8
Snippets/scale-upem.py
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@ -1,3 +1,9 @@
"""Change the units-per-EM of a font.
Currently does not support CFF fonts. AAT, Graphite, or color tables are
not supported either."""
from fontTools.ttLib.ttVisitor import TTVisitor
import fontTools.ttLib as ttLib
import fontTools.ttLib.tables.otBase as otBase
@ -143,7 +149,7 @@ if __name__ == "__main__":
font = TTFont(sys.argv[1])
new_upem = int(sys.argv[2])
if 'CFF ' in font or 'CFF2' in font:
if "CFF " in font or "CFF2" in font:
print("scale-upem: CFF/CFF2 fonts are not supported.", file=sys.stderr)
sys.exit(1)