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Sort glyphs by component depth before processing (#945)

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This commit is contained in:
Jens Kutilek 2017-05-03 19:13:49 +02:00
parent cfbe344216
commit 539ef3786a
1 changed files with 16 additions and 1 deletions
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17
Lib/fontTools/varLib/mutator.py
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@ -38,8 +38,23 @@ def main(args=None):
# Location is normalized now
print("Normalized location:", loc)
# Sort glyphs from simple to complex (regarding components), so they can be
# processed in the correct order
sort_tuples = []
for name, glyph in varfont['glyf'].glyphs.items():
if glyph.isComposite():
glyph.expand(varfont['glyf'])
_, _, component_depth = glyph.getCompositeMaxpValues(varfont['glyf'])
sort_tuples.append((component_depth, name))
else:
sort_tuples.append((0, name))
print("Glyph processing order:", sorted(sort_tuples))
gvar = varfont['gvar']
for glyphname,variations in gvar.variations.items():
glyphnames = [t[1] for t in sorted(sort_tuples) if t[1] in gvar.variations]
for glyphname in glyphnames:
variations = gvar.variations[glyphname]
coordinates,_ = _GetCoordinates(varfont, glyphname)
for var in variations:
scalar = supportScalar(loc, var.axes)