def test_decompileTupleVariationStore_empty(self): self.assertEqual( decompileTupleVariationStore(tableTag="gvar", axisTags=[], tupleVariationCount=0, pointCount=5, sharedTuples=[], data=b"", pos=4, dataPos=4), [])
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_decompileTupleVariationStore_empty(self):
self.assertEqual(
decompileTupleVariationStore(tableTag="gvar",
axisTags=[],
tupleVariationCount=0,
pointCount=5,
sharedTuples=[],
data=b"",
pos=4,
dataPos=4), [])
def test_decompileTupleVariationStore_Skia_I(self):
tvar = decompileTupleVariationStore(
tableTag="gvar", axisTags=["wght", "wdth"],
tupleVariationCount=8, pointCount=18,
sharedTuples=SKIA_GVAR_SHARED_TUPLES,
data=SKIA_GVAR_I_DATA, pos=4, dataPos=36)
self.assertEqual(len(tvar), 8)
self.assertEqual(tvar[0].axes, {"wght": (0.0, 1.0, 1.0)})
self.assertEqual(
" ".join(["%d,%d" % c for c in tvar[0].coordinates]),
"257,0 -127,0 -128,58 -130,90 -130,62 -130,67 -130,32 -127,0 "
"257,0 259,14 260,64 260,21 260,69 258,124 0,0 130,0 0,0 0,0")
def test_decompileTupleVariationStore_Skia_I(self):
tvar = decompileTupleVariationStore(
tableTag="gvar", axisTags=["wght", "wdth"],
tupleVariationCount=8, pointCount=18,
sharedTuples=SKIA_GVAR_SHARED_TUPLES,
data=SKIA_GVAR_I_DATA, pos=4, dataPos=36)
self.assertEqual(len(tvar), 8)
self.assertEqual(tvar[0].axes, {"wght": (0.0, 1.0, 1.0)})
self.assertEqual(
" ".join(["%d,%d" % c for c in tvar[0].coordinates]),
"257,0 -127,0 -128,58 -130,90 -130,62 -130,67 -130,32 -127,0 "
"257,0 259,14 260,64 260,21 260,69 258,124 0,0 130,0 0,0 0,0")
def decompile(self, data, ttFont):
axisTags = [axis.axisTag for axis in ttFont["fvar"].axes]
header = {}
sstruct.unpack(CVAR_HEADER_FORMAT, data[0:CVAR_HEADER_SIZE], header)
self.majorVersion = header["majorVersion"]
self.minorVersion = header["minorVersion"]
assert self.majorVersion == 1, self.majorVersion
self.variations = decompileTupleVariationStore(
tableTag=self.tableTag, axisTags=axisTags,
tupleVariationCount=header["tupleVariationCount"],
pointCount=len(ttFont["cvt "].values), sharedTuples=None,
data=data, pos=CVAR_HEADER_SIZE, dataPos=header["offsetToData"])
def decompile(self, data, ttFont):
axisTags = [axis.axisTag for axis in ttFont["fvar"].axes]
header = {}
sstruct.unpack(CVAR_HEADER_FORMAT, data[0:CVAR_HEADER_SIZE], header)
self.majorVersion = header["majorVersion"]
self.minorVersion = header["minorVersion"]
assert self.majorVersion == 1, self.majorVersion
self.variations = decompileTupleVariationStore(
tableTag=self.tableTag,
axisTags=axisTags,
tupleVariationCount=header["tupleVariationCount"],
pointCount=len(ttFont["cvt "].values),
sharedTuples=None,
data=data,
pos=CVAR_HEADER_SIZE,
dataPos=header["offsetToData"])
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)
