def setupTable_CFF(self):
"""Make the CFF table."""
self.otf["CFF "] = cff = newTable("CFF ")
cff = cff.cff
# set up the basics
cff.major = 1
cff.minor = 0
cff.hdrSize = 4
cff.offSize = 4
cff.fontNames = []
strings = IndexedStrings()
cff.strings = strings
private = PrivateDict(strings=strings)
private.rawDict.update(private.defaults)
globalSubrs = GlobalSubrsIndex(private=private)
topDict = TopDict(GlobalSubrs=globalSubrs, strings=strings)
topDict.Private = private
charStrings = topDict.CharStrings = CharStrings(
file=None,
charset=None,
globalSubrs=globalSubrs,
private=private,
fdSelect=None,
fdArray=None)
charStrings.charStringsAreIndexed = True
topDict.charset = []
charStringsIndex = charStrings.charStringsIndex = SubrsIndex(
private=private, globalSubrs=globalSubrs)
cff.topDictIndex = topDictIndex = TopDictIndex()
topDictIndex.append(topDict)
topDictIndex.strings = strings
cff.GlobalSubrs = globalSubrs
# populate naming data
info = self.ufo.info
psName = getAttrWithFallback(info, "postscriptFontName")
cff.fontNames.append(psName)
topDict = cff.topDictIndex[0]
topDict.version = "%d.%d" % (getAttrWithFallback(
info, "versionMajor"), getAttrWithFallback(info, "versionMinor"))
trademark = getAttrWithFallback(info, "trademark")
if trademark:
trademark = normalizeStringForPostscript(
trademark.replace("\u00A9", "Copyright"))
if trademark != self.ufo.info.trademark:
self.log.append(
"[Warning] The trademark was normalized for storage in the CFF table and consequently some characters were dropped: '%s'"
% trademark)
if trademark is None:
trademark = ""
topDict.Notice = trademark
copyright = getAttrWithFallback(info, "copyright")
if copyright:
copyright = normalizeStringForPostscript(
copyright.replace("\u00A9", "Copyright"))
if copyright != self.ufo.info.copyright:
self.log.append(
"[Warning] The copyright was normalized for storage in the CFF table and consequently some characters were dropped: '%s'"
% copyright)
if copyright is None:
copyright = ""
topDict.Copyright = copyright
topDict.FullName = getAttrWithFallback(info, "postscriptFullName")
topDict.FamilyName = getAttrWithFallback(
info, "openTypeNamePreferredFamilyName")
topDict.Weight = getAttrWithFallback(info, "postscriptWeightName")
topDict.FontName = psName
# populate various numbers
topDict.isFixedPitch = getAttrWithFallback(info,
"postscriptIsFixedPitch")
topDict.ItalicAngle = getAttrWithFallback(info, "italicAngle")
underlinePosition = getAttrWithFallback(info,
"postscriptUnderlinePosition")
topDict.UnderlinePosition = _roundInt(underlinePosition)
underlineThickness = getAttrWithFallback(
info, "postscriptUnderlineThickness")
topDict.UnderlineThickness = _roundInt(underlineThickness)
# populate font matrix
unitsPerEm = _roundInt(getAttrWithFallback(info, "unitsPerEm"))
topDict.FontMatrix = [1.0 / unitsPerEm, 0, 0, 1.0 / unitsPerEm, 0, 0]
# populate the width values
defaultWidthX = _roundInt(
getAttrWithFallback(info, "postscriptDefaultWidthX"))
if defaultWidthX:
private.rawDict["defaultWidthX"] = defaultWidthX
nominalWidthX = _roundInt(
getAttrWithFallback(info, "postscriptNominalWidthX"))
if nominalWidthX:
private.rawDict["nominalWidthX"] = nominalWidthX
# populate hint data
blueFuzz = _roundInt(getAttrWithFallback(info, "postscriptBlueFuzz"))
blueShift = _roundInt(getAttrWithFallback(info, "postscriptBlueShift"))
blueScale = getAttrWithFallback(info, "postscriptBlueScale")
forceBold = getAttrWithFallback(info, "postscriptForceBold")
blueValues = getAttrWithFallback(info, "postscriptBlueValues")
if isinstance(blueValues, list):
blueValues = [_roundInt(i) for i in blueValues]
otherBlues = getAttrWithFallback(info, "postscriptOtherBlues")
if isinstance(otherBlues, list):
otherBlues = [_roundInt(i) for i in otherBlues]
familyBlues = getAttrWithFallback(info, "postscriptFamilyBlues")
if isinstance(familyBlues, list):
familyBlues = [_roundInt(i) for i in familyBlues]
familyOtherBlues = getAttrWithFallback(info,
"postscriptFamilyOtherBlues")
if isinstance(familyOtherBlues, list):
familyOtherBlues = [_roundInt(i) for i in familyOtherBlues]
stemSnapH = getAttrWithFallback(info, "postscriptStemSnapH")
if isinstance(stemSnapH, list):
stemSnapH = [_roundInt(i) for i in stemSnapH]
stemSnapV = getAttrWithFallback(info, "postscriptStemSnapV")
if isinstance(stemSnapV, list):
stemSnapV = [_roundInt(i) for i in stemSnapV]
# only write the blues data if some blues are defined.
if (blueValues or otherBlues):
private.rawDict["BlueFuzz"] = blueFuzz
private.rawDict["BlueShift"] = blueShift
private.rawDict["BlueScale"] = blueScale
private.rawDict["ForceBold"] = forceBold
private.rawDict["BlueValues"] = blueValues
private.rawDict["OtherBlues"] = otherBlues
private.rawDict["FamilyBlues"] = familyBlues
private.rawDict["FamilyOtherBlues"] = familyOtherBlues
# only write the stems if both are defined.
if (stemSnapH and stemSnapV):
private.rawDict["StemSnapH"] = stemSnapH
private.rawDict["StdHW"] = stemSnapH[0]
private.rawDict["StemSnapV"] = stemSnapV
private.rawDict["StdVW"] = stemSnapV[0]
# populate glyphs
for glyphName in self.glyphOrder:
glyph = self.allGlyphs[glyphName]
unicodes = glyph.unicodes
charString = self.getCharStringForGlyph(glyph, private,
globalSubrs)
# add to the font
if glyphName in charStrings:
# XXX a glyph already has this name. should we choke?
glyphID = charStrings.charStrings[glyphName]
charStringsIndex.items[glyphID] = charString
else:
charStringsIndex.append(charString)
glyphID = len(topDict.charset)
charStrings.charStrings[glyphName] = glyphID
topDict.charset.append(glyphName)
topDict.FontBBox = self.fontBoundingBox
# write the glyph order
self.otf.setGlyphOrder(self.glyphOrder)
def build_CFF(self):
ctx = self.ctx
data = self.metadataProvider
self.otf["CFF "] = cff = ttLib.newTable("CFF ")
cff = cff.cff
cff.major = 1
cff.minor = 0
cff.hdrSize = 4
cff.offSize = 4
cff.fontNames = []
strings = IndexedStrings()
cff.strings = strings
private = PrivateDict(strings=strings)
private.rawDict.update(private.defaults)
globalSubrs = GlobalSubrsIndex(private=private)
topDict = TopDict(GlobalSubrs=globalSubrs, strings=strings)
topDict.Private = private
charStrings = topDict.CharStrings = CharStrings(
file=None,
charset=None,
globalSubrs=globalSubrs,
private=private,
fdSelect=None,
fdArray=None,
)
charStrings.charStringsAreIndexed = True
topDict.charset = []
charStringsIndex = charStrings.charStringsIndex = SubrsIndex(
private=private, globalSubrs=globalSubrs)
cff.topDictIndex = topDictIndex = TopDictIndex()
topDictIndex.append(topDict)
topDictIndex.strings = strings
cff.GlobalSubrs = globalSubrs
cff.fontNames.append(data.name_postscriptFontName(ctx))
topDict = cff.topDictIndex[0]
topDict.version = data.version(ctx)
topDict.Notice = conversion.to_postscript_string(
data.name_trademark(ctx), lambda result: ctx.log.append(
semlog.warning_attr_truncated(attr="trademark", result=result))
)
topDict.Copyright = conversion.to_postscript_string(
data.copyright(ctx), lambda result: ctx.log.append(
semlog.warning_attr_truncated(attr="copyright", result=result))
)
topDict.FullName = data.name_postscriptFullName(ctx)
topDict.FamilyName = data.CFF_postscriptFamilyName(ctx)
topDict.Weight = data.CFF_postscriptWeightName(ctx)
topDict.isFixedPitch = data.post_isFixedPitch(ctx)
topDict.ItalicAngle = data.italicAngle(ctx)
topDict.UnderlinePosition = otRound(data.post_underlinePosition(ctx))
topDict.UnderlineThickness = otRound(data.post_underlineThickness(ctx))
scale = 1.0 / otRound(data.unitsPerEm(ctx))
topDict.FontMatrix = [scale, 0, 0, scale, 0, 0]
defaultWidthX, nominalWidthX = FontProc.postscript_width_stats(
ctx, self.otf)
if defaultWidthX:
private.rawDict["defaultWidthX"] = defaultWidthX
if nominalWidthX:
private.rawDict["nominalWidthX"] = nominalWidthX
blueFuzz = otRound(data.CFF_postscriptBlueFuzz(ctx))
blueShift = otRound(data.CFF_postscriptBlueShift(ctx))
blueScale = data.CFF_postscriptBlueScale(ctx)
forceBold = data.CFF_postscriptForceBold(ctx)
blueValues = otRoundSequence(data.CFF_postscriptBlueValues(ctx))
otherBlues = otRoundSequence(data.CFF_postscriptOtherBlues(ctx))
familyBlues = otRoundSequence(data.CFF_postscriptFamilyBlues(ctx))
familyOtherBlues = otRoundSequence(
data.CFF_postscriptFamilyOtherBlues(ctx))
stemSnapH = otRoundSequence(data.CFF_postscriptStemSnapH(ctx))
stemSnapV = otRoundSequence(data.CFF_postscriptStemSnapV(ctx))
# only write the blues data if some blues are defined.
if any((blueValues, otherBlues, familyBlues, familyOtherBlues)):
private.rawDict["BlueFuzz"] = blueFuzz
private.rawDict["BlueShift"] = blueShift
private.rawDict["BlueScale"] = blueScale
private.rawDict["ForceBold"] = forceBold
if blueValues:
private.rawDict["BlueValues"] = blueValues
if otherBlues:
private.rawDict["OtherBlues"] = otherBlues
if familyBlues:
private.rawDict["FamilyBlues"] = familyBlues
if familyOtherBlues:
private.rawDict["FamilyOtherBlues"] = familyOtherBlues
# only write the stems if both are defined.
if stemSnapH and stemSnapV:
private.rawDict["StemSnapH"] = stemSnapH
private.rawDict["StdHW"] = stemSnapH[0]
private.rawDict["StemSnapV"] = stemSnapV
private.rawDict["StdVW"] = stemSnapV[0]
# populate glyphs
for glyphName in self.glyphOrder:
glyph = self.glyphMap[glyphName]
charString = self.draw_charstring(glyph, private, globalSubrs)
# add to the font
charStringsIndex.append(charString)
glyphID = len(topDict.charset)
charStrings.charStrings[glyphName] = glyphID
topDict.charset.append(glyphName)
bounds = self.fontBounds
topDict.FontBBox = (bounds.left, bounds.bottom, bounds.right,
bounds.top)
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)