def test_compileTupleVariationStore_roundTrip_gvar(self):
deltas = [(1, 1), (2, 2), (3, 3), (4, 4)]
variations = [
TupleVariation({
"wght": (0.5, 1.0, 1.0),
"wdth": (1.0, 1.0, 1.0)
}, deltas),
TupleVariation({
"wght": (1.0, 1.0, 1.0),
"wdth": (1.0, 1.0, 1.0)
}, deltas)
]
tupleVariationCount, tuples, data = compileTupleVariationStore(
variations,
pointCount=4,
axisTags=["wght", "wdth"],
sharedTupleIndices={})
self.assertEqual(
decompileTupleVariationStore("gvar", ["wght", "wdth"],
tupleVariationCount,
pointCount=4,
sharedTuples={},
data=(tuples + data),
pos=0,
dataPos=len(tuples)), variations)
def test_compileTupleVariationStore_allVariationsRedundant(self):
axes = {"wght": (0.3, 0.4, 0.5), "opsz": (0.7, 0.8, 0.9)}
variations = [
TupleVariation(axes, [None] * 4),
TupleVariation(axes, [None] * 4),
TupleVariation(axes, [None] * 4)
]
self.assertEqual(
compileTupleVariationStore(variations, pointCount=8,
axisTags=["wght", "opsz"],
sharedTupleIndices={}),
(0, b"", b""))
def test_compileTupleVariationStore_allVariationsRedundant(self):
axes = {"wght": (0.3, 0.4, 0.5), "opsz": (0.7, 0.8, 0.9)}
variations = [
TupleVariation(axes, [None] * 4),
TupleVariation(axes, [None] * 4),
TupleVariation(axes, [None] * 4)
]
self.assertEqual(
compileTupleVariationStore(variations, pointCount=8,
axisTags=["wght", "opsz"],
sharedTupleIndices={}),
(0, b"", b""))
def compile(self, ttFont):
tupleVariationCount, tuples, data = compileTupleVariationStore(
variations=[v for v in self.variations if v.hasImpact()],
pointCount=len(ttFont["cvt "].values),
axisTags=[axis.axisTag for axis in ttFont["fvar"].axes],
sharedTupleIndices={})
header = {
"majorVersion": self.majorVersion,
"minorVersion": self.minorVersion,
"tupleVariationCount": tupleVariationCount,
"offsetToData": CVAR_HEADER_SIZE + len(tuples),
}
return bytesjoin(
[sstruct.pack(CVAR_HEADER_FORMAT, header), tuples, data])
def test_compileTupleVariationStore_roundTrip_gvar(self):
deltas = [(1,1), (2,2), (3,3), (4,4)]
variations = [
TupleVariation({"wght": (0.5, 1.0, 1.0), "wdth": (1.0, 1.0, 1.0)},
deltas),
TupleVariation({"wght": (1.0, 1.0, 1.0), "wdth": (1.0, 1.0, 1.0)},
deltas)
]
tupleVariationCount, tuples, data = compileTupleVariationStore(
variations, pointCount=4, axisTags=["wght", "wdth"],
sharedTupleIndices={})
self.assertEqual(
decompileTupleVariationStore("gvar", ["wght", "wdth"],
tupleVariationCount, pointCount=4,
sharedTuples={}, data=(tuples + data),
pos=0, dataPos=len(tuples)),
variations)
def compile(self, ttFont):
tupleVariationCount, tuples, data = compileTupleVariationStore(
variations=[v for v in self.variations if v.hasImpact()],
pointCount=len(ttFont["cvt "].values),
axisTags=[axis.axisTag for axis in ttFont["fvar"].axes],
sharedTupleIndices={})
header = {
"majorVersion": self.majorVersion,
"minorVersion": self.minorVersion,
"tupleVariationCount": tupleVariationCount,
"offsetToData": CVAR_HEADER_SIZE + len(tuples),
}
return bytesjoin([
sstruct.pack(CVAR_HEADER_FORMAT, header),
tuples,
data
])
def test_compileTupleVariationStore_noVariations(self):
self.assertEqual(
compileTupleVariationStore(variations=[], pointCount=8,
axisTags=["wght", "opsz"],
sharedTupleIndices={}),
(0, b"", b""))
def test_compileTupleVariationStore_noVariations(self):
self.assertEqual(
compileTupleVariationStore(variations=[], pointCount=8,
axisTags=["wght", "opsz"],
sharedTupleIndices={}),
(0, b"", b""))
