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)
if privateDict is not None:
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 list(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)
