1 files changed, 51 insertions, 0 deletions
diff --git a/Lib/fontTools/ttLib/tables/L_T_S_H_.py b/Lib/fontTools/ttLib/tables/L_T_S_H_.py
new file mode 100644
index 00000000..de792367
--- /dev/null
+++ b/Lib/fontTools/ttLib/tables/L_T_S_H_.py
@@ -0,0 +1,51 @@
+from __future__ import print_function, division, absolute_import
+from fontTools.misc.py23 import *
+from fontTools.misc.textTools import safeEval
+from . import DefaultTable
+import struct
+import array
+
+# XXX I've lowered the strictness, to make sure Apple's own Chicago
+# XXX gets through. They're looking into it, I hope to raise the standards
+# XXX back to normal eventually.
+
+class table_L_T_S_H_(DefaultTable.DefaultTable):
+	
+	def decompile(self, data, ttFont):
+		version, numGlyphs = struct.unpack(">HH", data[:4])
+		data = data[4:]
+		assert version == 0, "unknown version: %s" % version
+		assert (len(data) % numGlyphs) < 4, "numGlyphs doesn't match data length"
+		# ouch: the assertion is not true in Chicago!
+		#assert numGlyphs == ttFont['maxp'].numGlyphs
+		yPels = array.array("B")
+		yPels.fromstring(data)
+		self.yPels = {}
+		for i in range(numGlyphs):
+			self.yPels[ttFont.getGlyphName(i)] = yPels[i]
+	
+	def compile(self, ttFont):
+		version = 0
+		names = list(self.yPels.keys())
+		numGlyphs = len(names)
+		yPels = [0] * numGlyphs
+		# ouch: the assertion is not true in Chicago!
+		#assert len(self.yPels) == ttFont['maxp'].numGlyphs == numGlyphs
+		for name in names:
+			yPels[ttFont.getGlyphID(name)] = self.yPels[name]
+		yPels = array.array("B", yPels)
+		return struct.pack(">HH", version, numGlyphs) + yPels.tostring()
+	
+	def toXML(self, writer, ttFont):
+		names = sorted(self.yPels.keys())
+		for name in names:
+			writer.simpletag("yPel", name=name, value=self.yPels[name])
+			writer.newline()
+	
+	def fromXML(self, name, attrs, content, ttFont):
+		if not hasattr(self, "yPels"):
+			self.yPels = {}
+		if name != "yPel":
+			return # ignore unknown tags
+		self.yPels[attrs["name"]] = safeEval(attrs["value"])
+