"""cffLib.py -- read/write tools for Adobe CFF fonts."""
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools.misc import sstruct
from fontTools.misc import psCharStrings
from fontTools.misc.textTools import safeEval
import struct
DEBUG = 0
cffHeaderFormat = """
major: B
minor: B
hdrSize: B
offSize: B
"""
class CFFFontSet(object):
def __init__(self):
pass
def decompile(self, file, otFont):
sstruct.unpack(cffHeaderFormat, file.read(4), self)
assert self.major == 1 and self.minor == 0, \
"unknown CFF format: %d.%d" % (self.major, self.minor)
file.seek(self.hdrSize)
self.fontNames = list(Index(file))
self.topDictIndex = TopDictIndex(file)
self.strings = IndexedStrings(file)
self.GlobalSubrs = GlobalSubrsIndex(file)
self.topDictIndex.strings = self.strings
self.topDictIndex.GlobalSubrs = self.GlobalSubrs
def __len__(self):
return len(self.fontNames)
def keys(self):
return list(self.fontNames)
def values(self):
return self.topDictIndex
def __getitem__(self, name):
try:
index = self.fontNames.index(name)
except ValueError:
raise KeyError(name)
return self.topDictIndex[index]
def compile(self, file, otFont):
strings = IndexedStrings()
writer = CFFWriter()
writer.add(sstruct.pack(cffHeaderFormat, self))
fontNames = Index()
for name in self.fontNames:
fontNames.append(name)
writer.add(fontNames.getCompiler(strings, None))
topCompiler = self.topDictIndex.getCompiler(strings, None)
writer.add(topCompiler)
writer.add(strings.getCompiler())
writer.add(self.GlobalSubrs.getCompiler(strings, None))
for topDict in self.topDictIndex:
if not hasattr(topDict, "charset") or topDict.charset is None:
charset = otFont.getGlyphOrder()
topDict.charset = charset
for child in topCompiler.getChildren(strings):
writer.add(child)
writer.toFile(file)
def toXML(self, xmlWriter, progress=None):
for fontName in self.fontNames:
xmlWriter.begintag("CFFFont", name=tostr(fontName))
xmlWriter.newline()
font = self[fontName]
font.toXML(xmlWriter, progress)
xmlWriter.endtag("CFFFont")
xmlWriter.newline()
xmlWriter.newline()
xmlWriter.begintag("GlobalSubrs")
xmlWriter.newline()
self.GlobalSubrs.toXML(xmlWriter, progress)
xmlWriter.endtag("GlobalSubrs")
xmlWriter.newline()
def fromXML(self, name, attrs, content):
if not hasattr(self, "GlobalSubrs"):
self.GlobalSubrs = GlobalSubrsIndex()
self.major = 1
self.minor = 0
self.hdrSize = 4
self.offSize = 4 # XXX ??
if name == "CFFFont":
if not hasattr(self, "fontNames"):
self.fontNames = []
self.topDictIndex = TopDictIndex()
fontName = attrs["name"]
topDict = TopDict(GlobalSubrs=self.GlobalSubrs)
topDict.charset = None # gets filled in later
self.fontNames.append(fontName)
self.topDictIndex.append(topDict)
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
topDict.fromXML(name, attrs, content)
elif name == "GlobalSubrs":
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
subr = psCharStrings.T2CharString()
subr.fromXML(name, attrs, content)
self.GlobalSubrs.append(subr)
class CFFWriter(object):
def __init__(self):
self.data = []
def add(self, table):
self.data.append(table)
def toFile(self, file):
lastPosList = None
count = 1
while True:
if DEBUG:
print("CFFWriter.toFile() iteration:", count)
count = count + 1
pos = 0
posList = [pos]
for item in self.data:
if hasattr(item, "getDataLength"):
endPos = pos + item.getDataLength()
else:
endPos = pos + len(item)
if hasattr(item, "setPos"):
item.setPos(pos, endPos)
pos = endPos
posList.append(pos)
if posList == lastPosList:
break
lastPosList = posList
if DEBUG:
print("CFFWriter.toFile() writing to file.")
begin = file.tell()
posList = [0]
for item in self.data:
if hasattr(item, "toFile"):
item.toFile(file)
else:
file.write(item)
posList.append(file.tell() - begin)
assert posList == lastPosList
def calcOffSize(largestOffset):
if largestOffset < 0x100:
offSize = 1
elif largestOffset < 0x10000:
offSize = 2
elif largestOffset < 0x1000000:
offSize = 3
else:
offSize = 4
return offSize
class IndexCompiler(object):
def __init__(self, items, strings, parent):
self.items = self.getItems(items, strings)
self.parent = parent
def getItems(self, items, strings):
return items
def getOffsets(self):
pos = 1
offsets = [pos]
for item in self.items:
if hasattr(item, "getDataLength"):
pos = pos + item.getDataLength()
else:
pos = pos + len(item)
offsets.append(pos)
return offsets
def getDataLength(self):
lastOffset = self.getOffsets()[-1]
offSize = calcOffSize(lastOffset)
dataLength = (
2 + # count
1 + # offSize
(len(self.items) + 1) * offSize + # the offsets
lastOffset - 1 # size of object data
)
return dataLength
def toFile(self, file):
offsets = self.getOffsets()
writeCard16(file, len(self.items))
offSize = calcOffSize(offsets[-1])
writeCard8(file, offSize)
offSize = -offSize
pack = struct.pack
for offset in offsets:
binOffset = pack(">l", offset)[offSize:]
assert len(binOffset) == -offSize
file.write(binOffset)
for item in self.items:
if hasattr(item, "toFile"):
item.toFile(file)
else:
file.write(tobytes(item, encoding="latin1"))
class IndexedStringsCompiler(IndexCompiler):
def getItems(self, items, strings):
return items.strings
class TopDictIndexCompiler(IndexCompiler):
def getItems(self, items, strings):
out = []
for item in items:
out.append(item.getCompiler(strings, self))
return out
def getChildren(self, strings):
children = []
for topDict in self.items:
children.extend(topDict.getChildren(strings))
return children
class FDArrayIndexCompiler(IndexCompiler):
def getItems(self, items, strings):
out = []
for item in items:
out.append(item.getCompiler(strings, self))
return out
def getChildren(self, strings):
children = []
for fontDict in self.items:
children.extend(fontDict.getChildren(strings))
return children
def toFile(self, file):
offsets = self.getOffsets()
writeCard16(file, len(self.items))
offSize = calcOffSize(offsets[-1])
writeCard8(file, offSize)
offSize = -offSize
pack = struct.pack
for offset in offsets:
binOffset = pack(">l", offset)[offSize:]
assert len(binOffset) == -offSize
file.write(binOffset)
for item in self.items:
if hasattr(item, "toFile"):
item.toFile(file)
else:
file.write(item)
def setPos(self, pos, endPos):
self.parent.rawDict["FDArray"] = pos
class GlobalSubrsCompiler(IndexCompiler):
def getItems(self, items, strings):
out = []
for cs in items:
cs.compile()
out.append(cs.bytecode)
return out
class SubrsCompiler(GlobalSubrsCompiler):
def setPos(self, pos, endPos):
offset = pos - self.parent.pos
self.parent.rawDict["Subrs"] = offset
class CharStringsCompiler(GlobalSubrsCompiler):
def setPos(self, pos, endPos):
self.parent.rawDict["CharStrings"] = pos
class Index(object):
"""This class represents what the CFF spec calls an INDEX."""
compilerClass = IndexCompiler
def __init__(self, file=None):
name = self.__class__.__name__
if file is None:
self.items = []
return
if DEBUG:
print("loading %s at %s" % (name, file.tell()))
self.file = file
count = readCard16(file)
self.count = count
self.items = [None] * count
if count == 0:
self.items = []
return
offSize = readCard8(file)
if DEBUG:
print(" index count: %s offSize: %s" % (count, offSize))
assert offSize <= 4, "offSize too large: %s" % offSize
self.offsets = offsets = []
pad = b'\0' * (4 - offSize)
for index in range(count+1):
chunk = file.read(offSize)
chunk = pad + chunk
offset, = struct.unpack(">L", chunk)
offsets.append(int(offset))
self.offsetBase = file.tell() - 1
file.seek(self.offsetBase + offsets[-1]) # pretend we've read the whole lot
if DEBUG:
print(" end of %s at %s" % (name, file.tell()))
def __len__(self):
return len(self.items)
def __getitem__(self, index):
item = self.items[index]
if item is not None:
return item
offset = self.offsets[index] + self.offsetBase
size = self.offsets[index+1] - self.offsets[index]
file = self.file
file.seek(offset)
data = file.read(size)
assert len(data) == size
item = self.produceItem(index, data, file, offset, size)
self.items[index] = item
return item
def produceItem(self, index, data, file, offset, size):
return data
def append(self, item):
self.items.append(item)
def getCompiler(self, strings, parent):
return self.compilerClass(self, strings, parent)
class GlobalSubrsIndex(Index):
compilerClass = GlobalSubrsCompiler
def __init__(self, file=None, globalSubrs=None, private=None, fdSelect=None, fdArray=None):
Index.__init__(self, file)
self.globalSubrs = globalSubrs
self.private = private
if fdSelect:
self.fdSelect = fdSelect
if fdArray:
self.fdArray = fdArray
def produceItem(self, index, data, file, offset, size):
if self.private is not None:
private = self.private
elif hasattr(self, 'fdArray') and self.fdArray is not None:
private = self.fdArray[self.fdSelect[index]].Private
else:
private = None
return psCharStrings.T2CharString(data, private=private, globalSubrs=self.globalSubrs)
def toXML(self, xmlWriter, progress):
xmlWriter.comment("The 'index' attribute is only for humans; it is ignored when parsed.")
xmlWriter.newline()
for i in range(len(self)):
subr = self[i]
if subr.needsDecompilation():
xmlWriter.begintag("CharString", index=i, raw=1)
else:
xmlWriter.begintag("CharString", index=i)
xmlWriter.newline()
subr.toXML(xmlWriter)
xmlWriter.endtag("CharString")
xmlWriter.newline()
def fromXML(self, name, attrs, content):
if name != "CharString":
return
subr = psCharStrings.T2CharString()
subr.fromXML(name, attrs, content)
self.append(subr)
def getItemAndSelector(self, index):
sel = None
if hasattr(self, 'fdSelect'):
sel = self.fdSelect[index]
return self[index], sel
class SubrsIndex(GlobalSubrsIndex):
compilerClass = SubrsCompiler
class TopDictIndex(Index):
compilerClass = TopDictIndexCompiler
def produceItem(self, index, data, file, offset, size):
top = TopDict(self.strings, file, offset, self.GlobalSubrs)
top.decompile(data)
return top
def toXML(self, xmlWriter, progress):
for i in range(len(self)):
xmlWriter.begintag("FontDict", index=i)
xmlWriter.newline()
self[i].toXML(xmlWriter, progress)
xmlWriter.endtag("FontDict")
xmlWriter.newline()
class FDArrayIndex(TopDictIndex):
compilerClass = FDArrayIndexCompiler
def fromXML(self, name, attrs, content):
if name != "FontDict":
return
fontDict = FontDict()
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
fontDict.fromXML(name, attrs, content)
self.append(fontDict)
class FDSelect:
def __init__(self, file = None, numGlyphs = None, format=None):
if file:
# read data in from file
self.format = readCard8(file)
if self.format == 0:
from array import array
self.gidArray = array("B", file.read(numGlyphs)).tolist()
elif self.format == 3:
gidArray = [None] * numGlyphs
nRanges = readCard16(file)
prev = None
for i in range(nRanges):
first = readCard16(file)
if prev is not None:
for glyphID in range(prev, first):
gidArray[glyphID] = fd
prev = first
fd = readCard8(file)
if prev is not None:
first = readCard16(file)
for glyphID in range(prev, first):
gidArray[glyphID] = fd
self.gidArray = gidArray
else:
assert False, "unsupported FDSelect format: %s" % format
else:
# reading from XML. Make empty gidArray,, and leave format as passed in.
# format is None will result in the smallest representation being used.
self.format = format
self.gidArray = []
def __len__(self):
return len(self.gidArray)
def __getitem__(self, index):
return self.gidArray[index]
def __setitem__(self, index, fdSelectValue):
self.gidArray[index] = fdSelectValue
def append(self, fdSelectValue):
self.gidArray.append(fdSelectValue)
class CharStrings(object):
def __init__(self, file, charset, globalSubrs, private, fdSelect, fdArray):
if file is not None:
self.charStringsIndex = SubrsIndex(file, globalSubrs, private, fdSelect, fdArray)
self.charStrings = charStrings = {}
for i in range(len(charset)):
charStrings[charset[i]] = i
self.charStringsAreIndexed = 1
else:
self.charStrings = {}
self.charStringsAreIndexed = 0
self.globalSubrs = globalSubrs
self.private = private
if fdSelect is not None:
self.fdSelect = fdSelect
if fdArray is not None:
self.fdArray = fdArray
def keys(self):
return list(self.charStrings.keys())
def values(self):
if self.charStringsAreIndexed:
return self.charStringsIndex
else:
return list(self.charStrings.values())
def has_key(self, name):
return name in self.charStrings
def __len__(self):
return len(self.charStrings)
def __getitem__(self, name):
charString = self.charStrings[name]
if self.charStringsAreIndexed:
charString = self.charStringsIndex[charString]
return charString
def __setitem__(self, name, charString):
if self.charStringsAreIndexed:
index = self.charStrings[name]
self.charStringsIndex[index] = charString
else:
self.charStrings[name] = charString
def getItemAndSelector(self, name):
if self.charStringsAreIndexed:
index = self.charStrings[name]
return self.charStringsIndex.getItemAndSelector(index)
else:
if hasattr(self, 'fdSelect'):
sel = self.fdSelect[index] # index is not defined at this point. Read R. ?
else:
raise KeyError("fdSelect array not yet defined.")
return self.charStrings[name], sel
def toXML(self, xmlWriter, progress):
names = sorted(self.keys())
i = 0
step = 10
numGlyphs = len(names)
for name in names:
charStr, fdSelectIndex = self.getItemAndSelector(name)
if charStr.needsDecompilation():
raw = [("raw", 1)]
else:
raw = []
if fdSelectIndex is None:
xmlWriter.begintag("CharString", [('name', name)] + raw)
else:
xmlWriter.begintag("CharString",
[('name', name), ('fdSelectIndex', fdSelectIndex)] + raw)
xmlWriter.newline()
charStr.toXML(xmlWriter)
xmlWriter.endtag("CharString")
xmlWriter.newline()
if not i % step and progress is not None:
progress.setLabel("Dumping 'CFF ' table... (%s)" % name)
progress.increment(step / numGlyphs)
i = i + 1
def fromXML(self, name, attrs, content):
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
if name != "CharString":
continue
fdID = -1
if hasattr(self, "fdArray"):
fdID = safeEval(attrs["fdSelectIndex"])
private = self.fdArray[fdID].Private
else:
private = self.private
glyphName = attrs["name"]
charString = psCharStrings.T2CharString(
private=private,
globalSubrs=self.globalSubrs)
charString.fromXML(name, attrs, content)
if fdID >= 0:
charString.fdSelectIndex = fdID
self[glyphName] = charString
def readCard8(file):
return byteord(file.read(1))
def readCard16(file):
value, = struct.unpack(">H", file.read(2))
return value
def writeCard8(file, value):
file.write(bytechr(value))
def writeCard16(file, value):
file.write(struct.pack(">H", value))
def packCard8(value):
return bytechr(value)
def packCard16(value):
return struct.pack(">H", value)
def buildOperatorDict(table):
d = {}
for op, name, arg, default, conv in table:
d[op] = (name, arg)
return d
def buildOpcodeDict(table):
d = {}
for op, name, arg, default, conv in table:
if isinstance(op, tuple):
op = bytechr(op[0]) + bytechr(op[1])
else:
op = bytechr(op)
d[name] = (op, arg)
return d
def buildOrder(table):
l = []
for op, name, arg, default, conv in table:
l.append(name)
return l
def buildDefaults(table):
d = {}
for op, name, arg, default, conv in table:
if default is not None:
d[name] = default
return d
def buildConverters(table):
d = {}
for op, name, arg, default, conv in table:
d[name] = conv
return d
class SimpleConverter(object):
def read(self, parent, value):
return value
def write(self, parent, value):
return value
def xmlWrite(self, xmlWriter, name, value, progress):
xmlWriter.simpletag(name, value=value)
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
return attrs["value"]
class ASCIIConverter(SimpleConverter):
def read(self, parent, value):
return tostr(value, encoding='ascii')
def write(self, parent, value):
return tobytes(value, encoding='ascii')
def xmlWrite(self, xmlWriter, name, value, progress):
xmlWriter.simpletag(name, value=tostr(value, encoding="ascii"))
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
return tobytes(attrs["value"], encoding=("ascii"))
class Latin1Converter(SimpleConverter):
def read(self, parent, value):
return tostr(value, encoding='latin1')
def write(self, parent, value):
return tobytes(value, encoding='latin1')
def xmlWrite(self, xmlWriter, name, value, progress):
xmlWriter.simpletag(name, value=tostr(value, encoding="latin1"))
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
return tobytes(attrs["value"], encoding=("latin1"))
def parseNum(s):
try:
value = int(s)
except:
value = float(s)
return value
class NumberConverter(SimpleConverter):
def xmlRead(self, name, attrs, content, parent):
return parseNum(attrs["value"])
class ArrayConverter(SimpleConverter):
def xmlWrite(self, xmlWriter, name, value, progress):
value = " ".join(map(str, value))
xmlWriter.simpletag(name, value=value)
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
values = attrs["value"].split()
return [parseNum(value) for value in values]
class TableConverter(SimpleConverter):
def xmlWrite(self, xmlWriter, name, value, progress):
xmlWriter.begintag(name)
xmlWriter.newline()
value.toXML(xmlWriter, progress)
xmlWriter.endtag(name)
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
ob = self.getClass()()
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
ob.fromXML(name, attrs, content)
return ob
class PrivateDictConverter(TableConverter):
def getClass(self):
return PrivateDict
def read(self, parent, value):
size, offset = value
file = parent.file
priv = PrivateDict(parent.strings, file, offset)
file.seek(offset)
data = file.read(size)
assert len(data) == size
priv.decompile(data)
return priv
def write(self, parent, value):
return (0, 0) # dummy value
class SubrsConverter(TableConverter):
def getClass(self):
return SubrsIndex
def read(self, parent, value):
file = parent.file
file.seek(parent.offset + value) # Offset(self)
return SubrsIndex(file)
def write(self, parent, value):
return 0 # dummy value
class CharStringsConverter(TableConverter):
def read(self, parent, value):
file = parent.file
charset = parent.charset
globalSubrs = parent.GlobalSubrs
if hasattr(parent, "ROS"):
fdSelect, fdArray = parent.FDSelect, parent.FDArray
private = None
else:
fdSelect, fdArray = None, None
private = parent.Private
file.seek(value) # Offset(0)
return CharStrings(file, charset, globalSubrs, private, fdSelect, fdArray)
def write(self, parent, value):
return 0 # dummy value
def xmlRead(self, name, attrs, content, parent):
if hasattr(parent, "ROS"):
# if it is a CID-keyed font, then the private Dict is extracted from the parent.FDArray
private, fdSelect, fdArray = None, parent.FDSelect, parent.FDArray
else:
# if it is a name-keyed font, then the private dict is in the top dict, and there is no fdArray.
private, fdSelect, fdArray = parent.Private, None, None
charStrings = CharStrings(None, None, parent.GlobalSubrs, private, fdSelect, fdArray)
charStrings.fromXML(name, attrs, content)
return charStrings
class CharsetConverter(object):
def read(self, parent, value):
isCID = hasattr(parent, "ROS")
if value > 2:
numGlyphs = parent.numGlyphs
file = parent.file
file.seek(value)
if DEBUG:
print("loading charset at %s" % value)
format = readCard8(file)
if format == 0:
charset = parseCharset0(numGlyphs, file, parent.strings, isCID)
elif format == 1 or format == 2:
charset = parseCharset(numGlyphs, file, parent.strings, isCID, format)
else:
raise NotImplementedError
assert len(charset) == numGlyphs
if DEBUG:
print(" charset end at %s" % file.tell())
else: # offset == 0 -> no charset data.
if isCID or "CharStrings" not in parent.rawDict:
assert value == 0 # We get here only when processing fontDicts from the FDArray of CFF-CID fonts. Only the real topDict references the chrset.
charset = None
elif value == 0:
charset = cffISOAdobeStrings
elif value == 1:
charset = cffIExpertStrings
elif value == 2:
charset = cffExpertSubsetStrings
return charset
def write(self, parent, value):
return 0 # dummy value
def xmlWrite(self, xmlWriter, name, value, progress):
# XXX only write charset when not in OT/TTX context, where we
# dump charset as a separate "GlyphOrder" table.
##xmlWriter.simpletag("charset")
xmlWriter.comment("charset is dumped separately as the 'GlyphOrder' element")
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
if 0:
return safeEval(attrs["value"])
class CharsetCompiler(object):
def __init__(self, strings, charset, parent):
assert charset[0] == '.notdef'
isCID = hasattr(parent.dictObj, "ROS")
data0 = packCharset0(charset, isCID, strings)
data = packCharset(charset, isCID, strings)
if len(data) < len(data0):
self.data = data
else:
self.data = data0
self.parent = parent
def setPos(self, pos, endPos):
self.parent.rawDict["charset"] = pos
def getDataLength(self):
return len(self.data)
def toFile(self, file):
file.write(self.data)
def getCIDfromName(name, strings):
return int(name[3:])
def getSIDfromName(name, strings):
return strings.getSID(name)
def packCharset0(charset, isCID, strings):
fmt = 0
data = [packCard8(fmt)]
if isCID:
getNameID = getCIDfromName
else:
getNameID = getSIDfromName
for name in charset[1:]:
data.append(packCard16(getNameID(name,strings)))
return bytesjoin(data)
def packCharset(charset, isCID, strings):
fmt = 1
ranges = []
first = None
end = 0
if isCID:
getNameID = getCIDfromName
else:
getNameID = getSIDfromName
for name in charset[1:]:
SID = getNameID(name, strings)
if first is None:
first = SID
elif end + 1 != SID:
nLeft = end - first
if nLeft > 255:
fmt = 2
ranges.append((first, nLeft))
first = SID
end = SID
nLeft = end - first
if nLeft > 255:
fmt = 2
ranges.append((first, nLeft))
data = [packCard8(fmt)]
if fmt == 1:
nLeftFunc = packCard8
else:
nLeftFunc = packCard16
for first, nLeft in ranges:
data.append(packCard16(first) + nLeftFunc(nLeft))
return bytesjoin(data)
def parseCharset0(numGlyphs, file, strings, isCID):
charset = [".notdef"]
if isCID:
for i in range(numGlyphs - 1):
CID = readCard16(file)
charset.append("cid" + str(CID).zfill(5))
else:
for i in range(numGlyphs - 1):
SID = readCard16(file)
charset.append(strings[SID])
return charset
def parseCharset(numGlyphs, file, strings, isCID, fmt):
charset = ['.notdef']
count = 1
if fmt == 1:
nLeftFunc = readCard8
else:
nLeftFunc = readCard16
while count < numGlyphs:
first = readCard16(file)
nLeft = nLeftFunc(file)
if isCID:
for CID in range(first, first+nLeft+1):
charset.append("cid" + str(CID).zfill(5))
else:
for SID in range(first, first+nLeft+1):
charset.append(strings[SID])
count = count + nLeft + 1
return charset
class EncodingCompiler(object):
def __init__(self, strings, encoding, parent):
assert not isinstance(encoding, basestring)
data0 = packEncoding0(parent.dictObj.charset, encoding, parent.strings)
data1 = packEncoding1(parent.dictObj.charset, encoding, parent.strings)
if len(data0) < len(data1):
self.data = data0
else:
self.data = data1
self.parent = parent
def setPos(self, pos, endPos):
self.parent.rawDict["Encoding"] = pos
def getDataLength(self):
return len(self.data)
def toFile(self, file):
file.write(self.data)
class EncodingConverter(SimpleConverter):
def read(self, parent, value):
if value == 0:
return "StandardEncoding"
elif value == 1:
return "ExpertEncoding"
else:
assert value > 1
file = parent.file
file.seek(value)
if DEBUG:
print("loading Encoding at %s" % value)
fmt = readCard8(file)
haveSupplement = fmt & 0x80
if haveSupplement:
raise NotImplementedError("Encoding supplements are not yet supported")
fmt = fmt & 0x7f
if fmt == 0:
encoding = parseEncoding0(parent.charset, file, haveSupplement,
parent.strings)
elif fmt == 1:
encoding = parseEncoding1(parent.charset, file, haveSupplement,
parent.strings)
return encoding
def write(self, parent, value):
if value == "StandardEncoding":
return 0
elif value == "ExpertEncoding":
return 1
return 0 # dummy value
def xmlWrite(self, xmlWriter, name, value, progress):
if value in ("StandardEncoding", "ExpertEncoding"):
xmlWriter.simpletag(name, name=value)
xmlWriter.newline()
return
xmlWriter.begintag(name)
xmlWriter.newline()
for code in range(len(value)):
glyphName = value[code]
if glyphName != ".notdef":
xmlWriter.simpletag("map", code=hex(code), name=glyphName)
xmlWriter.newline()
xmlWriter.endtag(name)
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
if "name" in attrs:
return attrs["name"]
encoding = [".notdef"] * 256
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
code = safeEval(attrs["code"])
glyphName = attrs["name"]
encoding[code] = glyphName
return encoding
def parseEncoding0(charset, file, haveSupplement, strings):
nCodes = readCard8(file)
encoding = [".notdef"] * 256
for glyphID in range(1, nCodes + 1):
code = readCard8(file)
if code != 0:
encoding[code] = charset[glyphID]
return encoding
def parseEncoding1(charset, file, haveSupplement, strings):
nRanges = readCard8(file)
encoding = [".notdef"] * 256
glyphID = 1
for i in range(nRanges):
code = readCard8(file)
nLeft = readCard8(file)
for glyphID in range(glyphID, glyphID + nLeft + 1):
encoding[code] = charset[glyphID]
code = code + 1
glyphID = glyphID + 1
return encoding
def packEncoding0(charset, encoding, strings):
fmt = 0
m = {}
for code in range(len(encoding)):
name = encoding[code]
if name != ".notdef":
m[name] = code
codes = []
for name in charset[1:]:
code = m.get(name)
codes.append(code)
while codes and codes[-1] is None:
codes.pop()
data = [packCard8(fmt), packCard8(len(codes))]
for code in codes:
if code is None:
code = 0
data.append(packCard8(code))
return bytesjoin(data)
def packEncoding1(charset, encoding, strings):
fmt = 1
m = {}
for code in range(len(encoding)):
name = encoding[code]
if name != ".notdef":
m[name] = code
ranges = []
first = None
end = 0
for name in charset[1:]:
code = m.get(name, -1)
if first is None:
first = code
elif end + 1 != code:
nLeft = end - first
ranges.append((first, nLeft))
first = code
end = code
nLeft = end - first
ranges.append((first, nLeft))
# remove unencoded glyphs at the end.
while ranges and ranges[-1][0] == -1:
ranges.pop()
data = [packCard8(fmt), packCard8(len(ranges))]
for first, nLeft in ranges:
if first == -1: # unencoded
first = 0
data.append(packCard8(first) + packCard8(nLeft))
return bytesjoin(data)
class FDArrayConverter(TableConverter):
def read(self, parent, value):
file = parent.file
file.seek(value)
fdArray = FDArrayIndex(file)
fdArray.strings = parent.strings
fdArray.GlobalSubrs = parent.GlobalSubrs
return fdArray
def write(self, parent, value):
return 0 # dummy value
def xmlRead(self, name, attrs, content, parent):
fdArray = FDArrayIndex()
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
fdArray.fromXML(name, attrs, content)
return fdArray
class FDSelectConverter(object):
def read(self, parent, value):
file = parent.file
file.seek(value)
fdSelect = FDSelect(file, parent.numGlyphs)
return fdSelect
def write(self, parent, value):
return 0 # dummy value
# The FDSelect glyph data is written out to XML in the charstring keys,
# so we write out only the format selector
def xmlWrite(self, xmlWriter, name, value, progress):
xmlWriter.simpletag(name, [('format', value.format)])
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
fmt = safeEval(attrs["format"])
file = None
numGlyphs = None
fdSelect = FDSelect(file, numGlyphs, fmt)
return fdSelect
def packFDSelect0(fdSelectArray):
fmt = 0
data = [packCard8(fmt)]
for index in fdSelectArray:
data.append(packCard8(index))
return bytesjoin(data)
def packFDSelect3(fdSelectArray):
fmt = 3
fdRanges = []
first = None
end = 0
lenArray = len(fdSelectArray)
lastFDIndex = -1
for i in range(lenArray):
fdIndex = fdSelectArray[i]
if lastFDIndex != fdIndex:
fdRanges.append([i, fdIndex])
lastFDIndex = fdIndex
sentinelGID = i + 1
data = [packCard8(fmt)]
data.append(packCard16( len(fdRanges) ))
for fdRange in fdRanges:
data.append(packCard16(fdRange[0]))
data.append(packCard8(fdRange[1]))
data.append(packCard16(sentinelGID))
return bytesjoin(data)
class FDSelectCompiler(object):
def __init__(self, fdSelect, parent):
fmt = fdSelect.format
fdSelectArray = fdSelect.gidArray
if fmt == 0:
self.data = packFDSelect0(fdSelectArray)
elif fmt == 3:
self.data = packFDSelect3(fdSelectArray)
else:
# choose smaller of the two formats
data0 = packFDSelect0(fdSelectArray)
data3 = packFDSelect3(fdSelectArray)
if len(data0) < len(data3):
self.data = data0
fdSelect.format = 0
else:
self.data = data3
fdSelect.format = 3
self.parent = parent
def setPos(self, pos, endPos):
self.parent.rawDict["FDSelect"] = pos
def getDataLength(self):
return len(self.data)
def toFile(self, file):
file.write(self.data)
class ROSConverter(SimpleConverter):
def xmlWrite(self, xmlWriter, name, value, progress):
registry, order, supplement = value
xmlWriter.simpletag(name, [('Registry', tostr(registry)), ('Order', tostr(order)),
('Supplement', supplement)])
xmlWriter.newline()
def xmlRead(self, name, attrs, content, parent):
return (attrs['Registry'], attrs['Order'], safeEval(attrs['Supplement']))
topDictOperators = [
# opcode name argument type default converter
((12, 30), 'ROS', ('SID','SID','number'), None, ROSConverter()),
((12, 20), 'SyntheticBase', 'number', None, None),
(0, 'version', 'SID', None, None),
(1, 'Notice', 'SID', None, Latin1Converter()),
((12, 0), 'Copyright', 'SID', None, Latin1Converter()),
(2, 'FullName', 'SID', None, None),
((12, 38), 'FontName', 'SID', None, None),
(3, 'FamilyName', 'SID', None, None),
(4, 'Weight', 'SID', None, None),
((12, 1), 'isFixedPitch', 'number', 0, None),
((12, 2), 'ItalicAngle', 'number', 0, None),
((12, 3), 'UnderlinePosition', 'number', None, None),
((12, 4), 'UnderlineThickness', 'number', 50, None),
((12, 5), 'PaintType', 'number', 0, None),
((12, 6), 'CharstringType', 'number', 2, None),
((12, 7), 'FontMatrix', 'array', [0.001,0,0,0.001,0,0], None),
(13, 'UniqueID', 'number', None, None),
(5, 'FontBBox', 'array', [0,0,0,0], None),
((12, 8), 'StrokeWidth', 'number', 0, None),
(14, 'XUID', 'array', None, None),
((12, 21), 'PostScript', 'SID', None, None),
((12, 22), 'BaseFontName', 'SID', None, None),
((12, 23), 'BaseFontBlend', 'delta', None, None),
((12, 31), 'CIDFontVersion', 'number', 0, None),
((12, 32), 'CIDFontRevision', 'number', 0, None),
((12, 33), 'CIDFontType', 'number', 0, None),
((12, 34), 'CIDCount', 'number', 8720, None),
(15, 'charset', 'number', 0, CharsetConverter()),
((12, 35), 'UIDBase', 'number', None, None),
(16, 'Encoding', 'number', 0, EncodingConverter()),
(18, 'Private', ('number','number'), None, PrivateDictConverter()),
((12, 37), 'FDSelect', 'number', None, FDSelectConverter()),
((12, 36), 'FDArray', 'number', None, FDArrayConverter()),
(17, 'CharStrings', 'number', None, CharStringsConverter()),
]
# Note! FDSelect and FDArray must both preceed CharStrings in the output XML build order,
# in order for the font to compile back from xml.
privateDictOperators = [
# opcode name argument type default converter
(6, 'BlueValues', 'delta', None, None),
(7, 'OtherBlues', 'delta', None, None),
(8, 'FamilyBlues', 'delta', None, None),
(9, 'FamilyOtherBlues', 'delta', None, None),
((12, 9), 'BlueScale', 'number', 0.039625, None),
((12, 10), 'BlueShift', 'number', 7, None),
((12, 11), 'BlueFuzz', 'number', 1, None),
(10, 'StdHW', 'number', None, None),
(11, 'StdVW', 'number', None, None),
((12, 12), 'StemSnapH', 'delta', None, None),
((12, 13), 'StemSnapV', 'delta', None, None),
((12, 14), 'ForceBold', 'number', 0, None),
((12, 15), 'ForceBoldThreshold', 'number', None, None), # deprecated
((12, 16), 'lenIV', 'number', None, None), # deprecated
((12, 17), 'LanguageGroup', 'number', 0, None),
((12, 18), 'ExpansionFactor', 'number', 0.06, None),
((12, 19), 'initialRandomSeed', 'number', 0, None),
(20, 'defaultWidthX', 'number', 0, None),
(21, 'nominalWidthX', 'number', 0, None),
(19, 'Subrs', 'number', None, SubrsConverter()),
]
def addConverters(table):
for i in range(len(table)):
op, name, arg, default, conv = table[i]
if conv is not None:
continue
if arg in ("delta", "array"):
conv = ArrayConverter()
elif arg == "number":
conv = NumberConverter()
elif arg == "SID":
conv = ASCIIConverter()
else:
assert False
table[i] = op, name, arg, default, conv
addConverters(privateDictOperators)
addConverters(topDictOperators)
class TopDictDecompiler(psCharStrings.DictDecompiler):
operators = buildOperatorDict(topDictOperators)
class PrivateDictDecompiler(psCharStrings.DictDecompiler):
operators = buildOperatorDict(privateDictOperators)
class DictCompiler(object):
def __init__(self, dictObj, strings, parent):
assert isinstance(strings, IndexedStrings)
self.dictObj = dictObj
self.strings = strings
self.parent = parent
rawDict = {}
for name in dictObj.order:
value = getattr(dictObj, name, None)
if value is None:
continue
conv = dictObj.converters[name]
value = conv.write(dictObj, value)
if value == dictObj.defaults.get(name):
continue
rawDict[name] = value
self.rawDict = rawDict
def setPos(self, pos, endPos):
pass
def getDataLength(self):
return len(self.compile("getDataLength"))
def compile(self, reason):
if DEBUG:
print("-- compiling %s for %s" % (self.__class__.__name__, reason))
print("in baseDict: ", self)
rawDict = self.rawDict
data = []
for name in self.dictObj.order:
value = rawDict.get(name)
if value is None:
continue
op, argType = self.opcodes[name]
if isinstance(argType, tuple):
l = len(argType)
assert len(value) == l, "value doesn't match arg type"
for i in range(l):
arg = argType[i]
v = value[i]
arghandler = getattr(self, "arg_" + arg)
data.append(arghandler(v))
else:
arghandler = getattr(self, "arg_" + argType)
data.append(arghandler(value))
data.append(op)
return bytesjoin(data)
def toFile(self, file):
file.write(self.compile("toFile"))
def arg_number(self, num):
return encodeNumber(num)
def arg_SID(self, s):
return psCharStrings.encodeIntCFF(self.strings.getSID(s))
def arg_array(self, value):
data = []
for num in value:
data.append(encodeNumber(num))
return bytesjoin(data)
def arg_delta(self, value):
out = []
last = 0
for v in value:
out.append(v - last)
last = v
data = []
for num in out:
data.append(encodeNumber(num))
return bytesjoin(data)
def encodeNumber(num):
if isinstance(num, float):
return psCharStrings.encodeFloat(num)
else:
return psCharStrings.encodeIntCFF(num)
class TopDictCompiler(DictCompiler):
opcodes = buildOpcodeDict(topDictOperators)
def getChildren(self, strings):
children = []
if hasattr(self.dictObj, "charset") and self.dictObj.charset:
children.append(CharsetCompiler(strings, self.dictObj.charset, self))
if hasattr(self.dictObj, "Encoding"):
encoding = self.dictObj.Encoding
if not isinstance(encoding, basestring):
children.append(EncodingCompiler(strings, encoding, self))
if hasattr(self.dictObj, "FDSelect"):
# I have not yet supported merging a ttx CFF-CID font, as there are interesting
# issues about merging the FDArrays. Here I assume that
# either the font was read from XML, and teh FDSelect indices are all
# in the charstring data, or the FDSelect array is already fully defined.
fdSelect = self.dictObj.FDSelect
if len(fdSelect) == 0: # probably read in from XML; assume fdIndex in CharString data
charStrings = self.dictObj.CharStrings
for name in self.dictObj.charset:
fdSelect.append(charStrings[name].fdSelectIndex)
fdSelectComp = FDSelectCompiler(fdSelect, self)
children.append(fdSelectComp)
if hasattr(self.dictObj, "CharStrings"):
items = []
charStrings = self.dictObj.CharStrings
for name in self.dictObj.charset:
items.append(charStrings[name])
charStringsComp = CharStringsCompiler(items, strings, self)
children.append(charStringsComp)
if hasattr(self.dictObj, "FDArray"):
# I have not yet supported merging a ttx CFF-CID font, as there are interesting
# issues about merging the FDArrays. Here I assume that the FDArray info is correct
# and complete.
fdArrayIndexComp = self.dictObj.FDArray.getCompiler(strings, self)
children.append(fdArrayIndexComp)
children.extend(fdArrayIndexComp.getChildren(strings))
if hasattr(self.dictObj, "Private"):
privComp = self.dictObj.Private.getCompiler(strings, self)
children.append(privComp)
children.extend(privComp.getChildren(strings))
return children
class FontDictCompiler(DictCompiler):
opcodes = buildOpcodeDict(topDictOperators)
def getChildren(self, strings):
children = []
if hasattr(self.dictObj, "Private"):
privComp = self.dictObj.Private.getCompiler(strings, self)
children.append(privComp)
children.extend(privComp.getChildren(strings))
return children
class PrivateDictCompiler(DictCompiler):
opcodes = buildOpcodeDict(privateDictOperators)
def setPos(self, pos, endPos):
size = endPos - pos
self.parent.rawDict["Private"] = size, pos
self.pos = pos
def getChildren(self, strings):
children = []
if hasattr(self.dictObj, "Subrs"):
children.append(self.dictObj.Subrs.getCompiler(strings, self))
return children
class BaseDict(object):
def __init__(self, strings=None, file=None, offset=None):
self.rawDict = {}
if DEBUG:
print("loading %s at %s" % (self.__class__.__name__, offset))
self.file = file
self.offset = offset
self.strings = strings
self.skipNames = []
def decompile(self, data):
if DEBUG:
print(" length %s is %s" % (self.__class__.__name__, len(data)))
dec = self.decompilerClass(self.strings)
dec.decompile(data)
self.rawDict = dec.getDict()
self.postDecompile()
def postDecompile(self):
pass
def getCompiler(self, strings, parent):
return self.compilerClass(self, strings, parent)
def __getattr__(self, name):
value = self.rawDict.get(name)
if value is None:
value = self.defaults.get(name)
if value is None:
raise AttributeError(name)
conv = self.converters[name]
value = conv.read(self, value)
setattr(self, name, value)
return value
def toXML(self, xmlWriter, progress):
for name in self.order:
if name in self.skipNames:
continue
value = getattr(self, name, None)
if value is None:
continue
conv = self.converters[name]
conv.xmlWrite(xmlWriter, name, value, progress)
def fromXML(self, name, attrs, content):
conv = self.converters[name]
value = conv.xmlRead(name, attrs, content, self)
setattr(self, name, value)
class TopDict(BaseDict):
defaults = buildDefaults(topDictOperators)
converters = buildConverters(topDictOperators)
order = buildOrder(topDictOperators)
decompilerClass = TopDictDecompiler
compilerClass = TopDictCompiler
def __init__(self, strings=None, file=None, offset=None, GlobalSubrs=None):
BaseDict.__init__(self, strings, file, offset)
self.GlobalSubrs = GlobalSubrs
def getGlyphOrder(self):
return self.charset
def postDecompile(self):
offset = self.rawDict.get("CharStrings")
if offset is None:
return
# get the number of glyphs beforehand.
self.file.seek(offset)
self.numGlyphs = readCard16(self.file)
def toXML(self, xmlWriter, progress):
if hasattr(self, "CharStrings"):
self.decompileAllCharStrings(progress)
if hasattr(self, "ROS"):
self.skipNames = ['Encoding']
if not hasattr(self, "ROS") or not hasattr(self, "CharStrings"):
# these values have default values, but I only want them to show up
# in CID fonts.
self.skipNames = ['CIDFontVersion', 'CIDFontRevision', 'CIDFontType',
'CIDCount']
BaseDict.toXML(self, xmlWriter, progress)
def decompileAllCharStrings(self, progress):
# XXX only when doing ttdump -i?
i = 0
for charString in self.CharStrings.values():
try:
charString.decompile()
except:
print("Error in charstring ", i)
import sys
typ, value = sys.exc_info()[0:2]
raise typ(value)
if not i % 30 and progress:
progress.increment(0) # update
i = i + 1
class FontDict(BaseDict):
defaults = buildDefaults(topDictOperators)
converters = buildConverters(topDictOperators)
order = buildOrder(topDictOperators)
decompilerClass = None
compilerClass = FontDictCompiler
def __init__(self, strings=None, file=None, offset=None, GlobalSubrs=None):
BaseDict.__init__(self, strings, file, offset)
self.GlobalSubrs = GlobalSubrs
def getGlyphOrder(self):
return self.charset
def toXML(self, xmlWriter, progress):
self.skipNames = ['Encoding']
BaseDict.toXML(self, xmlWriter, progress)
class PrivateDict(BaseDict):
defaults = buildDefaults(privateDictOperators)
converters = buildConverters(privateDictOperators)
order = buildOrder(privateDictOperators)
decompilerClass = PrivateDictDecompiler
compilerClass = PrivateDictCompiler
class IndexedStrings(object):
"""SID -> string mapping."""
def __init__(self, file=None):
if file is None:
strings = []
else:
strings = [tostr(s, encoding="latin1") for s in Index(file)]
self.strings = strings
def getCompiler(self):
return IndexedStringsCompiler(self, None, None)
def __len__(self):
return len(self.strings)
def __getitem__(self, SID):
if SID < cffStandardStringCount:
return cffStandardStrings[SID]
else:
return self.strings[SID - cffStandardStringCount]
def getSID(self, s):
if not hasattr(self, "stringMapping"):
self.buildStringMapping()
if s in cffStandardStringMapping:
SID = cffStandardStringMapping[s]
elif s in self.stringMapping:
SID = self.stringMapping[s]
else:
SID = len(self.strings) + cffStandardStringCount
self.strings.append(s)
self.stringMapping[s] = SID
return SID
def getStrings(self):
return self.strings
def buildStringMapping(self):
self.stringMapping = {}
for index in range(len(self.strings)):
self.stringMapping[self.strings[index]] = index + cffStandardStringCount
# The 391 Standard Strings as used in the CFF format.
# from Adobe Technical None #5176, version 1.0, 18 March 1998
cffStandardStrings = ['.notdef', 'space', 'exclam', 'quotedbl', 'numbersign',
'dollar', 'percent', 'ampersand', 'quoteright', 'parenleft', 'parenright',
'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero', 'one',
'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon',
'semicolon', 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C',
'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R',
'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash',
'bracketright', 'asciicircum', 'underscore', 'quoteleft', 'a', 'b', 'c',
'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright',
'asciitilde', 'exclamdown', 'cent', 'sterling', 'fraction', 'yen', 'florin',
'section', 'currency', 'quotesingle', 'quotedblleft', 'guillemotleft',
'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'endash', 'dagger',
'daggerdbl', 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase',
'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', 'perthousand',
'questiondown', 'grave', 'acute', 'circumflex', 'tilde', 'macron', 'breve',
'dotaccent', 'dieresis', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron',
'emdash', 'AE', 'ordfeminine', 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae',
'dotlessi', 'lslash', 'oslash', 'oe', 'germandbls', 'onesuperior',
'logicalnot', 'mu', 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn',
'onequarter', 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters',
'twosuperior', 'registered', 'minus', 'eth', 'multiply', 'threesuperior',
'copyright', 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring',
'Atilde', 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave',
'Iacute', 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute',
'Ocircumflex', 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute',
'Ucircumflex', 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron',
'aacute', 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla',
'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex',
'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', 'odieresis',
'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis', 'ugrave',
'yacute', 'ydieresis', 'zcaron', 'exclamsmall', 'Hungarumlautsmall',
'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', 'Acutesmall',
'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', 'onedotenleader',
'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle',
'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle',
'nineoldstyle', 'commasuperior', 'threequartersemdash', 'periodsuperior',
'questionsmall', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior',
'esuperior', 'isuperior', 'lsuperior', 'msuperior', 'nsuperior', 'osuperior',
'rsuperior', 'ssuperior', 'tsuperior', 'ff', 'ffi', 'ffl', 'parenleftinferior',
'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall',
'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall',
'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall',
'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', 'Xsmall',
'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', 'Tildesmall',
'exclamdownsmall', 'centoldstyle', 'Lslashsmall', 'Scaronsmall', 'Zcaronsmall',
'Dieresissmall', 'Brevesmall', 'Caronsmall', 'Dotaccentsmall', 'Macronsmall',
'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall', 'Cedillasmall',
'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', 'seveneighths',
'onethird', 'twothirds', 'zerosuperior', 'foursuperior', 'fivesuperior',
'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', 'zeroinferior',
'oneinferior', 'twoinferior', 'threeinferior', 'fourinferior', 'fiveinferior',
'sixinferior', 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior',
'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall',
'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall',
'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall',
'Edieresissmall', 'Igravesmall', 'Iacutesmall', 'Icircumflexsmall',
'Idieresissmall', 'Ethsmall', 'Ntildesmall', 'Ogravesmall', 'Oacutesmall',
'Ocircumflexsmall', 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall',
'Ugravesmall', 'Uacutesmall', 'Ucircumflexsmall', 'Udieresissmall',
'Yacutesmall', 'Thornsmall', 'Ydieresissmall', '001.000', '001.001', '001.002',
'001.003', 'Black', 'Bold', 'Book', 'Light', 'Medium', 'Regular', 'Roman',
'Semibold'
]
cffStandardStringCount = 391
assert len(cffStandardStrings) == cffStandardStringCount
# build reverse mapping
cffStandardStringMapping = {}
for _i in range(cffStandardStringCount):
cffStandardStringMapping[cffStandardStrings[_i]] = _i
cffISOAdobeStrings = [".notdef", "space", "exclam", "quotedbl", "numbersign",
"dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright",
"asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two",
"three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon",
"less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G",
"H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W",
"X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum",
"underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j",
"k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
"braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent",
"sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle",
"quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl",
"endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet",
"quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis",
"perthousand", "questiondown", "grave", "acute", "circumflex", "tilde",
"macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut",
"ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE",
"ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls",
"onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus",
"Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn",
"threequarters", "twosuperior", "registered", "minus", "eth", "multiply",
"threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave",
"Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave",
"Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute",
"Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute",
"Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute",
"acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute",
"ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis",
"igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde",
"scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis",
"zcaron"]
cffISOAdobeStringCount = 229
assert len(cffISOAdobeStrings) == cffISOAdobeStringCount
cffIExpertStrings = [".notdef", "space", "exclamsmall", "Hungarumlautsmall",
"dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall",
"parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader",
"comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle",
"twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle",
"sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon",
"commasuperior", "threequartersemdash", "periodsuperior", "questionsmall",
"asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior",
"lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior",
"tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior",
"parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall",
"Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall",
"Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall",
"Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall",
"Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall",
"exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall",
"Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall",
"figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall",
"onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth",
"threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds",
"zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior",
"fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior",
"zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior",
"fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior",
"centinferior", "dollarinferior", "periodinferior", "commainferior",
"Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall",
"Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall",
"Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall",
"Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall",
"Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall",
"Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall",
"Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall",
"Ydieresissmall"]
cffExpertStringCount = 166
assert len(cffIExpertStrings) == cffExpertStringCount
cffExpertSubsetStrings = [".notdef", "space", "dollaroldstyle",
"dollarsuperior", "parenleftsuperior", "parenrightsuperior", "twodotenleader",
"onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle",
"oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle",
"sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon",
"semicolon", "commasuperior", "threequartersemdash", "periodsuperior",
"asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior",
"lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior",
"tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior",
"parenrightinferior", "hyphensuperior", "colonmonetary", "onefitted", "rupiah",
"centoldstyle", "figuredash", "hypheninferior", "onequarter", "onehalf",
"threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths",
"onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior",
"threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior",
"eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior",
"threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior",
"eightinferior", "nineinferior", "centinferior", "dollarinferior",
"periodinferior", "commainferior"]
cffExpertSubsetStringCount = 87
assert len(cffExpertSubsetStrings) == cffExpertSubsetStringCount