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[subset] Fix CFF hint-stripping

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Was causing OTS failure when subsetting 'apple' glyph of
InformaPro-Light.otf for example.
This commit is contained in:
Behdad Esfahbod 2013-10-28 15:18:07 +01:00
parent 8c5c966471
commit 2a70f4a45f
1 changed files with 9 additions and 1 deletions
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10
Lib/fontTools/subset.py
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@ -1290,6 +1290,8 @@ def drop_hints(self):
continue
i += 1
# TODO: we currently don't drop calls to "empty" subroutines.
assert len(self.program)
del self._hints
@ -1405,7 +1407,7 @@ class _DehintingT2Decompiler(psCharStrings.SimpleT2Decompiler):
# We are an implicit vstem
hints.last_hint = index + 1
hints.status = 0
hints.last_checked = index + 1
hints.last_checked = index + 1
def processHint(self, index):
cs = self.callingStack[-1]
@ -1445,6 +1447,12 @@ class _DehintingT2Decompiler(psCharStrings.SimpleT2Decompiler):
hints.status = 2
break;
hints.last_checked = index
if hints.status != 2:
# Decide where to chop off from
if subr_hints.status == 0:
hints.last_hint = index
else:
hints.last_hint = index - 2 # Leave the subr call in
@_add_method(ttLib.getTableClass('CFF '))
def prune_post_subset(self, options):