[scale-upem] Err on CFF fonts

2022-08-15 14:30:04 -06:00 · 2022-08-15 14:30:04 -06:00 · e2850886d9
commit e2850886d9
parent 4b472cbc3a
1 changed files with 4 additions and 0 deletions
--- a/Snippets/scale-upem.py
+++ b/Snippets/scale-upem.py
@ -143,6 +143,10 @@ if __name__ == "__main__":
    font = TTFont(sys.argv[1])
    new_upem = int(sys.argv[2])

+    if 'CFF ' in font or 'CFF2' in font:
+        print("scale-upem: CFF/CFF2 fonts are not supported.", file=sys.stderr)
+        sys.exit(1)
+
    upem = font["head"].unitsPerEm

    visitor = ScalerVisitor(new_upem / upem)