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[subset] Add --no-layout-closure

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As oft requested.

I think this fixes https://github.com/fonttools/fonttools/issues/43
This commit is contained in:
Behdad Esfahbod 2018-09-10 15:09:11 +02:00
parent 388e0893fb
commit 022536212b
1 changed files with 6 additions and 1 deletions
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7
Lib/fontTools/subset/__init__.py
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@ -145,6 +145,10 @@ Glyph set expansion:
--no-recommended-glyphs
Do not add glyphs 0, 1, 2, and 3 to the subset, unless specified in
glyph set. [default]
--no-layout-closure
Do not expand glyph set to add glyphs produced by OpenType layout
features. Instead, OpenType layout features will be subset to only
rules that are relevant to the otherwise-specified glyph set.
--layout-features[+|-]=<feature>[,<feature>...]
Specify (=), add to (+=) or exclude from (-=) the comma-separated
set of OpenType layout feature tags that will be preserved.
@ -2769,6 +2773,7 @@ class Options(object):
self.passthrough_tables = False # keep/drop tables we can't subset
self.hinting_tables = self._hinting_tables_default[:]
self.legacy_kern = False # drop 'kern' table if GPOS available
self.layout_closure = True
self.layout_features = self._layout_features_default[:]
self.layout_scripts = ['*']
self.ignore_missing_glyphs = False
@ -2979,7 +2984,7 @@ class Subsetter(object):
self.glyphs.add(font.getGlyphName(i))
log.info("Added first four glyphs to subset")
if 'GSUB' in font:
if self.options.layout_closure and 'GSUB' in font:
with timer("close glyph list over 'GSUB'"):
log.info("Closing glyph list over 'GSUB': %d glyphs before",
len(self.glyphs))