45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
""" TSI{0,1,2,3,5} are private tables used by Microsoft Visual TrueType (VTT)
|
|
tool to store its hinting source data.
|
|
|
|
TSI5 contains the VTT character groups.
|
|
"""
|
|
from fontTools.misc.py23 import *
|
|
from fontTools.misc.textTools import safeEval
|
|
from . import DefaultTable
|
|
import sys
|
|
import array
|
|
|
|
|
|
class table_T_S_I__5(DefaultTable.DefaultTable):
|
|
|
|
def decompile(self, data, ttFont):
|
|
numGlyphs = ttFont['maxp'].numGlyphs
|
|
assert len(data) == 2 * numGlyphs
|
|
a = array.array("H")
|
|
a.frombytes(data)
|
|
if sys.byteorder != "big": a.byteswap()
|
|
self.glyphGrouping = {}
|
|
for i in range(numGlyphs):
|
|
self.glyphGrouping[ttFont.getGlyphName(i)] = a[i]
|
|
|
|
def compile(self, ttFont):
|
|
glyphNames = ttFont.getGlyphOrder()
|
|
a = array.array("H")
|
|
for i in range(len(glyphNames)):
|
|
a.append(self.glyphGrouping.get(glyphNames[i], 0))
|
|
if sys.byteorder != "big": a.byteswap()
|
|
return a.tobytes()
|
|
|
|
def toXML(self, writer, ttFont):
|
|
names = sorted(self.glyphGrouping.keys())
|
|
for glyphName in names:
|
|
writer.simpletag("glyphgroup", name=glyphName, value=self.glyphGrouping[glyphName])
|
|
writer.newline()
|
|
|
|
def fromXML(self, name, attrs, content, ttFont):
|
|
if not hasattr(self, "glyphGrouping"):
|
|
self.glyphGrouping = {}
|
|
if name != "glyphgroup":
|
|
return
|
|
self.glyphGrouping[attrs["name"]] = safeEval(attrs["value"])
|