47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
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import DefaultTable
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import struct
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from fontTools.misc.textTools import safeEval
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GASP_DOGRAY = 0x0002
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GASP_GRIDFIT = 0x0001
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class table__g_a_s_p(DefaultTable.DefaultTable):
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def decompile(self, data, ttFont):
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self.version, numRanges = struct.unpack(">HH", data[:4])
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assert self.version == 0, "unknown 'gasp' format: %s" % self.version
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data = data[4:]
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self.gaspRange = {}
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for i in range(numRanges):
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rangeMaxPPEM, rangeGaspBehavior = struct.unpack(">HH", data[:4])
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self.gaspRange[int(rangeMaxPPEM)] = int(rangeGaspBehavior)
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data = data[4:]
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assert not data, "too much data"
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def compile(self, ttFont):
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numRanges = len(self.gaspRange)
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data = struct.pack(">HH", 0, numRanges)
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items = self.gaspRange.items()
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items.sort()
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for rangeMaxPPEM, rangeGaspBehavior in items:
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data = data + struct.pack(">HH", rangeMaxPPEM, rangeGaspBehavior)
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return data
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def toXML(self, writer, ttFont):
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items = self.gaspRange.items()
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items.sort()
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for rangeMaxPPEM, rangeGaspBehavior in items:
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writer.simpletag("gaspRange", [
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("rangeMaxPPEM", rangeMaxPPEM),
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("rangeGaspBehavior", rangeGaspBehavior)])
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writer.newline()
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def fromXML(self, (name, attrs, content), ttFont):
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if name <> "gaspRange":
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return
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if not hasattr(self, "gaspRange"):
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self.gaspRange = {}
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self.gaspRange[safeEval(attrs["rangeMaxPPEM"])] = safeEval(attrs["rangeGaspBehavior"])
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