58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
from __future__ import print_function, division, absolute_import
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from fontTools import ttLib
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from fontTools.ttLib.tables import otTables as ot
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# VariationStore
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def buildVarRegionAxis(axisSupport):
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self = ot.VarRegionAxis()
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self.StartCoord, self.PeakCoord, self.EndCoord = axisSupport
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return self
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def buildVarRegion(support, axisTags):
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self = ot.VarRegion()
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self.VarRegionAxis = []
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for tag in axisTags:
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self.VarRegionAxis.append(buildVarRegionAxis(support.get(tag, (0,0,0))))
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self.VarRegionAxisCount = len(self.VarRegionAxis)
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return self
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def buildVarRegionList(supports, axisTags):
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self = ot.VarRegionList()
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self.AxisCount = len(axisTags)
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self.VarRegion = []
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for support in supports:
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self.VarRegion.append(buildVarRegion(support, axisTags))
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self.VarRegionCount = len(self.VarRegion)
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return self
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def buildVarDeltas(varTupleIndexes, items):
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self = ot.VarDeltas()
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self.Format = 1 if all(all(128 <= delta <= 127 for delta in item) for item in items) else 2
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self.VarRegionIndex = list(varTupleIndexes)
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tupleCount = self.VarRegionCount = len(self.VarRegionIndex)
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records = self.Item = []
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for item in items:
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assert len(item) == tupleCount
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record = ot.VarItemByteRecord() if self.Format == 1 else ot.VarItemShortRecord()
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record.Deltas = list(item)
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records.append(record)
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self.ItemCount = len(self.Item)
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return self
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def buildVarStore(varTupleList, varDeltasList):
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self = ot.VarStore()
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self.Format = 1
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self.Reserved = 0
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self.VarRegionList = varTupleList
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self.VarDeltas = list(varDeltasList)
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self.VarDeltasCount = len(self.VarDeltas)
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return self
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# Variation helpers
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def buildVarIdxMap(varIdxes):
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self = ot.VarIdxMap()
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self.mapping = list(varIdxes)
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return self
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