def test_optimize_isComposite(self):
# when a composite glyph's deltas are all (0, 0), we still want
# to write out an entry in gvar, else macOS doesn't apply any
# variations to the composite glyph (even if its individual components
# do vary).
# https://github.com/fonttools/fonttools/issues/1381
var = TupleVariation({"wght": (0.0, 1.0, 1.0)}, [(0, 0)] * 5)
var.optimize([(0, 0)] * 5, [0], isComposite=True)
self.assertEqual(var.coordinates, [(0, 0)] * 5)
# it takes more than 128 (0, 0) deltas before the optimized tuple with
# (None) inferred deltas (except for the first) becomes smaller than
# the un-optimized one that has all deltas explicitly set to (0, 0).
var = TupleVariation({"wght": (0.0, 1.0, 1.0)}, [(0, 0)] * 129)
var.optimize([(0, 0)] * 129, list(range(129 - 4)), isComposite=True)
self.assertEqual(var.coordinates, [(0, 0)] + [None] * 128)
def test_optimize(self):
var = TupleVariation({"wght": (0.0, 1.0, 1.0)}, [(0, 0)] * 5)
var.optimize([(0, 0)] * 5, [0])
self.assertEqual(var.coordinates, [None, None, None, None, None])