def __init__(self, otf, ufo):
self.ufo = ufo
stream = BytesIO()
otf.save(stream)
stream.seek(0)
self.otf = TTFont(stream)
self._postscriptNames = ufo.lib.get('public.postscriptNames')
def write_data(td):
"""Writes CharStrings from the TopDict td into a string that is easily
readable."""
out = BytesIO()
td.CharStrings.charStringsIndex.getCompiler(td.strings, None).toFile(out)
return out.getvalue()
def write_data(td):
"""Writes CharStrings from the TopDict td into a string that is easily
readable."""
out = BytesIO()
td.CharStrings.charStringsIndex.getCompiler(td.strings, None).toFile(out)
return out.getvalue()
def __init__(self, otf, ufo):
self.ufo = ufo
stream = BytesIO()
otf.save(stream)
stream.seek(0)
self.otf = TTFont(stream)
self._postscriptNames = ufo.lib.get('public.postscriptNames')
def __init__(self, otf, ufo, glyphSet=None):
self.ufo = ufo
self.glyphSet = glyphSet if glyphSet is not None else ufo
stream = BytesIO()
otf.save(stream)
stream.seek(0)
self.otf = TTFont(stream)
self._postscriptNames = ufo.lib.get("public.postscriptNames")
def write_data(td):
"""Writes CharStrings and FDSelect from the TopDict td into a string
that is easily readable."""
out = BytesIO()
td.CharStrings.charStringsIndex.getCompiler(td.strings, None).toFile(out)
try:
fdselect = struct.pack('B', len(td.FDArray)) + array.array('B', list(td.FDSelect)).tostring()
except AttributeError:
fdselect = struct.pack('B', 1)
out.write(fdselect)
return out.getvalue()
def importTTX(self):
"""
Merge TTX files from data directory "com.github.fonttools.ttx"
**This should not be called externally.** Subclasses
may override this method to handle the bounds creation
in a different way if desired.
"""
import os
import re
prefix = "com.github.fonttools.ttx"
sfntVersionRE = re.compile('(^<ttFont\s+)(sfntVersion=".*"\s+)(.*>$)',
flags=re.MULTILINE)
if not hasattr(self.ufo, "data"):
return
if not self.ufo.data.fileNames:
return
for path in self.ufo.data.fileNames:
foldername, filename = os.path.split(path)
if (foldername == prefix and filename.endswith(".ttx")):
ttx = self.ufo.data[path].decode('utf-8')
# strip 'sfntVersion' attribute from ttFont element,
# if present, to avoid overwriting the current value
ttx = sfntVersionRE.sub(r'\1\3', ttx)
fp = BytesIO(ttx.encode('utf-8'))
self.otf.importXML(fp)
def importTTX(self):
"""
Merge TTX files from data directory "com.github.fonttools.ttx"
**This should not be called externally.** Subclasses
may override this method to handle the bounds creation
in a different way if desired.
"""
import os
prefix = "com.github.fonttools.ttx"
if not hasattr(self.ufo, "data"):
return
if not self.ufo.data.fileNames:
return
for path in self.ufo.data.fileNames:
foldername, filename = os.path.split(path)
if (foldername == prefix and filename.endswith(".ttx")):
fp = BytesIO(self.ufo.data[path])
self.otf.importXML(fp)
def __init__(self, otf, ufo):
self.ufo = ufo
stream = BytesIO()
otf.save(stream)
stream.seek(0)
self.otf = TTFont(stream)
def lib_convertCFFToCFF2(cff, otFont):
# This assumes a decompiled CFF table.
cff2GetGlyphOrder = cff.otFont.getGlyphOrder
topDictData = TopDictIndex(None, cff2GetGlyphOrder, None)
topDictData.items = cff.topDictIndex.items
cff.topDictIndex = topDictData
topDict = topDictData[0]
if hasattr(topDict, 'Private'):
privateDict = topDict.Private
else:
privateDict = None
opOrder = buildOrder(topDictOperators2)
topDict.order = opOrder
topDict.cff2GetGlyphOrder = cff2GetGlyphOrder
if not hasattr(topDict, "FDArray"):
fdArray = topDict.FDArray = FDArrayIndex()
fdArray.strings = None
fdArray.GlobalSubrs = topDict.GlobalSubrs
topDict.GlobalSubrs.fdArray = fdArray
charStrings = topDict.CharStrings
if charStrings.charStringsAreIndexed:
charStrings.charStringsIndex.fdArray = fdArray
else:
charStrings.fdArray = fdArray
fontDict = FontDict()
fontDict.setCFF2(True)
fdArray.append(fontDict)
fontDict.Private = privateDict
privateOpOrder = buildOrder(privateDictOperators2)
for entry in privateDictOperators:
key = entry[1]
if key not in privateOpOrder:
if key in privateDict.rawDict:
# print "Removing private dict", key
del privateDict.rawDict[key]
if hasattr(privateDict, key):
delattr(privateDict, key)
# print "Removing privateDict attr", key
else:
# clean up the PrivateDicts in the fdArray
fdArray = topDict.FDArray
privateOpOrder = buildOrder(privateDictOperators2)
for fontDict in fdArray:
fontDict.setCFF2(True)
for key in fontDict.rawDict.keys():
if key not in fontDict.order:
del fontDict.rawDict[key]
if hasattr(fontDict, key):
delattr(fontDict, key)
privateDict = fontDict.Private
for entry in privateDictOperators:
key = entry[1]
if key not in privateOpOrder:
if key in privateDict.rawDict:
# print "Removing private dict", key
del privateDict.rawDict[key]
if hasattr(privateDict, key):
delattr(privateDict, key)
# print "Removing privateDict attr", key
# Now delete up the decrecated topDict operators from CFF 1.0
for entry in topDictOperators:
key = entry[1]
if key not in opOrder:
if key in topDict.rawDict:
del topDict.rawDict[key]
if hasattr(topDict, key):
delattr(topDict, key)
# At this point, the Subrs and Charstrings are all still T2Charstring class
# easiest to fix this by compiling, then decompiling again
cff.major = 2
file = BytesIO()
cff.compile(file, otFont, isCFF2=True)
file.seek(0)
cff.decompile(file, otFont, isCFF2=True)
def lib_convertCFFToCFF2(cff, otFont): # This assumes a decompiled CFF table. cff2GetGlyphOrder = cff.otFont.getGlyphOrder topDictData = TopDictIndex(None, cff2GetGlyphOrder, None) topDictData.items = cff.topDictIndex.items cff.topDictIndex = topDictData topDict = topDictData[0] if hasattr(topDict, 'Private'): privateDict = topDict.Private else: privateDict = None opOrder = buildOrder(topDictOperators2) topDict.order = opOrder topDict.cff2GetGlyphOrder = cff2GetGlyphOrder if not hasattr(topDict, "FDArray"): fdArray = topDict.FDArray = FDArrayIndex() fdArray.strings = None fdArray.GlobalSubrs = topDict.GlobalSubrs topDict.GlobalSubrs.fdArray = fdArray charStrings = topDict.CharStrings if charStrings.charStringsAreIndexed: charStrings.charStringsIndex.fdArray = fdArray else: charStrings.fdArray = fdArray fontDict = FontDict() fontDict.setCFF2(True) fdArray.append(fontDict) fontDict.Private = privateDict privateOpOrder = buildOrder(privateDictOperators2) for entry in privateDictOperators: key = entry[1] if key not in privateOpOrder: if key in privateDict.rawDict: # print "Removing private dict", key del privateDict.rawDict[key] if hasattr(privateDict, key): delattr(privateDict, key) # print "Removing privateDict attr", key else: # clean up the PrivateDicts in the fdArray fdArray = topDict.FDArray privateOpOrder = buildOrder(privateDictOperators2) for fontDict in fdArray: fontDict.setCFF2(True) for key in fontDict.rawDict.keys(): if key not in fontDict.order: del fontDict.rawDict[key] if hasattr(fontDict, key): delattr(fontDict, key) privateDict = fontDict.Private for entry in privateDictOperators: key = entry[1] if key not in privateOpOrder: if key in privateDict.rawDict: # print "Removing private dict", key del privateDict.rawDict[key] if hasattr(privateDict, key): delattr(privateDict, key) # print "Removing privateDict attr", key # Now delete up the decrecated topDict operators from CFF 1.0 for entry in topDictOperators: key = entry[1] if key not in opOrder: if key in topDict.rawDict: del topDict.rawDict[key] if hasattr(topDict, key): delattr(topDict, key) # At this point, the Subrs and Charstrings are all still T2Charstring class # easiest to fix this by compiling, then decompiling again cff.major = 2 file = BytesIO() cff.compile(file, otFont, isCFF2=True) file.seek(0) cff.decompile(file, otFont, isCFF2=True)
def __init__(self, otf, ufo):
self.ufo = ufo
stream = BytesIO()
otf.save(stream)
stream.seek(0)
self.otf = TTFont(stream)
