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tools/bake-vf.py: exit with error if fvar table has unexpected values

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Rasmus Andersson 2024-05-23 16:50:44 -07:00
parent c0c503302a
commit f054332d55
1 changed files with 10 additions and 5 deletions
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15
misc/tools/bake-vf.py
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@ -331,14 +331,16 @@ def gen_stat(ttfont):
def check_fvar(ttfont): def check_fvar(ttfont):
fvar = ttfont['fvar'] fvar = ttfont['fvar']
error = False ok = True
for i in fvar.instances: for i in fvar.instances:
actual_wght = i.coordinates['wght'] actual_wght = i.coordinates['wght']
expected_wght = round(actual_wght / 100) * 100 expected_wght = round(actual_wght / 100) * 100
if expected_wght != actual_wght: if expected_wght != actual_wght:
print(f"unexpected wght {actual_wght} (expected {expected_wght})", print(f"BAD wght {actual_wght} (expected {expected_wght})", i.coordinates)
ttfont, i.coordinates) ok = False
error = True # else:
# print(f"OK wght {actual_wght}", i.coordinates)
return ok
# def fixup_fvar(ttfont): # def fixup_fvar(ttfont):
@ -372,6 +374,8 @@ def main():
# load font # load font
ttfont = TTFont(args.input, recalcBBoxes=False, recalcTimestamp=False) ttfont = TTFont(args.input, recalcBBoxes=False, recalcTimestamp=False)
if not check_fvar(ttfont):
sys.exit(1)
# infer axis extremes # infer axis extremes
global OPSZ_MIN global OPSZ_MIN
@ -397,7 +401,8 @@ def main():
gen_stat(ttfont) gen_stat(ttfont)
# check fvar table # check fvar table
check_fvar(ttfont) if not check_fvar(ttfont):
sys.exit(1)
# # fixup OS/2 table (set usWeightClass) # # fixup OS/2 table (set usWeightClass)
# fixup_os2(ttfont) # fixup_os2(ttfont)