[gvar/cvar] Rename decompileVariationTuples to decompileVariationTupleStore

For consistency with the terminology of the OpenType 1.8 specification,
and for symetry with the compileVariationTupleStore function.

Lib/fontTools/ttLib/tables/TupleVariation.py

@@ -529,8 +529,8 @@ def compileTupleVariationStore(variations, pointCount,
 	return result
 
 
-def decompileTupleVariations(pointCount, sharedTuples,
-							 tableTag, axisTags, data):
+def decompileTupleVariationStore(pointCount, sharedTuples,
+							     tableTag, axisTags, data):
 	if len(data) < 4:
 		return []
 	numAxes = len(axisTags)

Lib/fontTools/ttLib/tables/TupleVariation_test.py

@@ -7,7 +7,7 @@ from fontTools.misc.textTools import deHexStr, hexStr
 from fontTools.misc.xmlWriter import XMLWriter
 from fontTools.ttLib.tables.TupleVariation import \
 	log, TupleVariation, compileSharedTuples, decompileSharedTuples, \
-	compileTupleVariationStore, decompileTupleVariations, inferRegion_
+	compileTupleVariationStore, decompileTupleVariationStore, inferRegion_
 import random
 import unittest
 
@@ -548,13 +548,13 @@ class TupleVariationTest(unittest.TestCase):
 		                                  axisTags=["wght", "wdth"],
 		                                  sharedCoordIndices={})
 		self.assertEqual(
-			decompileTupleVariations(pointCount=4, sharedTuples={},
-									 tableTag="gvar",
-                                     axisTags=["wght", "wdth"], data=data),
+			decompileTupleVariationStore(pointCount=4, sharedTuples={},
+									     tableTag="gvar",
+                                         axisTags=["wght", "wdth"], data=data),
             variations)
 
-	def test_decompileTupleVariations_Skia_I(self):
-		tvar = decompileTupleVariations(
+	def test_decompileTupleVariationStore_Skia_I(self):
+		tvar = decompileTupleVariationStore(
 			pointCount=18, sharedTuples=SKIA_GVAR_SHARED_TUPLES,
 			tableTag="gvar", axisTags=["wght", "wdth"], data=SKIA_GVAR_I_DATA)
 		self.assertEqual(len(tvar), 8)
@@ -564,10 +564,11 @@ class TupleVariationTest(unittest.TestCase):
 			"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_decompileTupleVariations_empty(self):
+	def test_decompileTupleVariationStore_empty(self):
 		self.assertEqual(
-			decompileTupleVariations(pointCount=5, sharedTuples=[],
-									 tableTag="gvar", axisTags=[], data=b""),
+			decompileTupleVariationStore(pointCount=5, sharedTuples=[],
+									     tableTag="gvar", axisTags=[],
+                                         data=b""),
 			[])
 
 	def test_getTupleSize(self):

Lib/fontTools/ttLib/tables/_g_v_a_r.py

@@ -103,7 +103,7 @@ class table__g_v_a_r(DefaultTable.DefaultTable):
 			glyph = ttFont["glyf"][glyphName]
 			numPointsInGlyph = self.getNumPoints_(glyph)
 			gvarData = data[offsetToData + offsets[i] : offsetToData + offsets[i + 1]]
-			self.variations[glyphName] = tv.decompileTupleVariations(
+			self.variations[glyphName] = tv.decompileTupleVariationStore(
 				numPointsInGlyph, sharedCoords, "gvar", axisTags, gvarData)
 
 	@staticmethod