# Copyright 2013 Google, Inc. All Rights Reserved.
#
# Google Author(s): Behdad Esfahbod, Roozbeh Pournader
"""Font merger.
"""
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools import ttLib, cffLib
from fontTools.ttLib.tables import otTables, _h_e_a_d
from fontTools.ttLib.tables.DefaultTable import DefaultTable
from functools import reduce
import sys
import time
import operator
def _add_method(*clazzes, **kwargs):
"""Returns a decorator function that adds a new method to one or
more classes."""
allowDefault = kwargs.get('allowDefaultTable', False)
def wrapper(method):
for clazz in clazzes:
assert allowDefault or clazz != DefaultTable, 'Oops, table class not found.'
assert method.__name__ not in clazz.__dict__, \
"Oops, class '%s' has method '%s'." % (clazz.__name__,
method.__name__)
setattr(clazz, method.__name__, method)
return None
return wrapper
# General utility functions for merging values from different fonts
def equal(lst):
lst = list(lst)
t = iter(lst)
first = next(t)
assert all(item == first for item in t), "Expected all items to be equal: %s" % lst
return first
def first(lst):
return next(iter(lst))
def recalculate(lst):
return NotImplemented
def current_time(lst):
return int(time.time() - _h_e_a_d.mac_epoch_diff)
def bitwise_and(lst):
return reduce(operator.and_, lst)
def bitwise_or(lst):
return reduce(operator.or_, lst)
def avg_int(lst):
lst = list(lst)
return sum(lst) // len(lst)
def onlyExisting(func):
"""Returns a filter func that when called with a list,
only calls func on the non-NotImplemented items of the list,
and only so if there's at least one item remaining.
Otherwise returns NotImplemented."""
def wrapper(lst):
items = [item for item in lst if item is not NotImplemented]
return func(items) if items else NotImplemented
return wrapper
def sumLists(lst):
l = []
for item in lst:
l.extend(item)
return l
def sumDicts(lst):
d = {}
for item in lst:
d.update(item)
return d
def mergeObjects(lst):
lst = [item for item in lst if item is not NotImplemented]
if not lst:
return NotImplemented
lst = [item for item in lst if item is not None]
if not lst:
return None
clazz = lst[0].__class__
assert all(type(item) == clazz for item in lst), lst
logic = clazz.mergeMap
returnTable = clazz()
returnDict = {}
allKeys = set.union(set(), *(vars(table).keys() for table in lst))
for key in allKeys:
try:
mergeLogic = logic[key]
except KeyError:
try:
mergeLogic = logic['*']
except KeyError:
raise Exception("Don't know how to merge key %s of class %s" %
(key, clazz.__name__))
if mergeLogic is NotImplemented:
continue
value = mergeLogic(getattr(table, key, NotImplemented) for table in lst)
if value is not NotImplemented:
returnDict[key] = value
returnTable.__dict__ = returnDict
return returnTable
def mergeBits(bitmap):
def wrapper(lst):
lst = list(lst)
returnValue = 0
for bitNumber in range(bitmap['size']):
try:
mergeLogic = bitmap[bitNumber]
except KeyError:
try:
mergeLogic = bitmap['*']
except KeyError:
raise Exception("Don't know how to merge bit %s" % bitNumber)
shiftedBit = 1 << bitNumber
mergedValue = mergeLogic(bool(item & shiftedBit) for item in lst)
returnValue |= mergedValue << bitNumber
return returnValue
return wrapper
@_add_method(DefaultTable, allowDefaultTable=True)
def merge(self, m, tables):
if not hasattr(self, 'mergeMap'):
m.log("Don't know how to merge '%s'." % self.tableTag)
return NotImplemented
logic = self.mergeMap
if isinstance(logic, dict):
return m.mergeObjects(self, self.mergeMap, tables)
else:
return logic(tables)
ttLib.getTableClass('maxp').mergeMap = {
'*': max,
'tableTag': equal,
'tableVersion': equal,
'numGlyphs': sum,
'maxStorage': first,
'maxFunctionDefs': first,
'maxInstructionDefs': first,
# TODO When we correctly merge hinting data, update these values:
# maxFunctionDefs, maxInstructionDefs, maxSizeOfInstructions
}
headFlagsMergeBitMap = {
'size': 16,
'*': bitwise_or,
1: bitwise_and, # Baseline at y = 0
2: bitwise_and, # lsb at x = 0
3: bitwise_and, # Force ppem to integer values. FIXME?
5: bitwise_and, # Font is vertical
6: lambda bit: 0, # Always set to zero
11: bitwise_and, # Font data is 'lossless'
13: bitwise_and, # Optimized for ClearType
14: bitwise_and, # Last resort font. FIXME? equal or first may be better
15: lambda bit: 0, # Always set to zero
}
ttLib.getTableClass('head').mergeMap = {
'tableTag': equal,
'tableVersion': max,
'fontRevision': max,
'checkSumAdjustment': lambda lst: 0, # We need *something* here
'magicNumber': equal,
'flags': mergeBits(headFlagsMergeBitMap),
'unitsPerEm': equal,
'created': current_time,
'modified': current_time,
'xMin': min,
'yMin': min,
'xMax': max,
'yMax': max,
'macStyle': first,
'lowestRecPPEM': max,
'fontDirectionHint': lambda lst: 2,
'indexToLocFormat': recalculate,
'glyphDataFormat': equal,
}
ttLib.getTableClass('hhea').mergeMap = {
'*': equal,
'tableTag': equal,
'tableVersion': max,
'ascent': max,
'descent': min,
'lineGap': max,
'advanceWidthMax': max,
'minLeftSideBearing': min,
'minRightSideBearing': min,
'xMaxExtent': max,
'caretSlopeRise': first,
'caretSlopeRun': first,
'caretOffset': first,
'numberOfHMetrics': recalculate,
}
os2FsTypeMergeBitMap = {
'size': 16,
'*': lambda bit: 0,
1: bitwise_or, # no embedding permitted
2: bitwise_and, # allow previewing and printing documents
3: bitwise_and, # allow editing documents
8: bitwise_or, # no subsetting permitted
9: bitwise_or, # no embedding of outlines permitted
}
def mergeOs2FsType(lst):
lst = list(lst)
if all(item == 0 for item in lst):
return 0
# Compute least restrictive logic for each fsType value
for i in range(len(lst)):
# unset bit 1 (no embedding permitted) if either bit 2 or 3 is set
if lst[i] & 0x000C:
lst[i] &= ~0x0002
# set bit 2 (allow previewing) if bit 3 is set (allow editing)
elif lst[i] & 0x0008:
lst[i] |= 0x0004
# set bits 2 and 3 if everything is allowed
elif lst[i] == 0:
lst[i] = 0x000C
fsType = mergeBits(os2FsTypeMergeBitMap)(lst)
# unset bits 2 and 3 if bit 1 is set (some font is "no embedding")
if fsType & 0x0002:
fsType &= ~0x000C
return fsType
ttLib.getTableClass('OS/2').mergeMap = {
'*': first,
'tableTag': equal,
'version': max,
'xAvgCharWidth': avg_int, # Apparently fontTools doesn't recalc this
'fsType': mergeOs2FsType, # Will be overwritten
'panose': first, # FIXME: should really be the first Latin font
'ulUnicodeRange1': bitwise_or,
'ulUnicodeRange2': bitwise_or,
'ulUnicodeRange3': bitwise_or,
'ulUnicodeRange4': bitwise_or,
'fsFirstCharIndex': min,
'fsLastCharIndex': max,
'sTypoAscender': max,
'sTypoDescender': min,
'sTypoLineGap': max,
'usWinAscent': max,
'usWinDescent': max,
# Version 2,3,4
'ulCodePageRange1': onlyExisting(bitwise_or),
'ulCodePageRange2': onlyExisting(bitwise_or),
'usMaxContex': onlyExisting(max),
# TODO version 5
}
@_add_method(ttLib.getTableClass('OS/2'))
def merge(self, m, tables):
DefaultTable.merge(self, m, tables)
if self.version < 2:
# bits 8 and 9 are reserved and should be set to zero
self.fsType &= ~0x0300
if self.version >= 3:
# Only one of bits 1, 2, and 3 may be set. We already take
# care of bit 1 implications in mergeOs2FsType. So unset
# bit 2 if bit 3 is already set.
if self.fsType & 0x0008:
self.fsType &= ~0x0004
return self
ttLib.getTableClass('post').mergeMap = {
'*': first,
'tableTag': equal,
'formatType': max,
'isFixedPitch': min,
'minMemType42': max,
'maxMemType42': lambda lst: 0,
'minMemType1': max,
'maxMemType1': lambda lst: 0,
'mapping': onlyExisting(sumDicts),
'extraNames': lambda lst: [],
}
ttLib.getTableClass('vmtx').mergeMap = ttLib.getTableClass('hmtx').mergeMap = {
'tableTag': equal,
'metrics': sumDicts,
}
ttLib.getTableClass('gasp').mergeMap = {
'tableTag': equal,
'version': max,
'gaspRange': first, # FIXME? Appears irreconcilable
}
ttLib.getTableClass('name').mergeMap = {
'tableTag': equal,
'names': first, # FIXME? Does mixing name records make sense?
}
ttLib.getTableClass('loca').mergeMap = {
'*': recalculate,
'tableTag': equal,
}
ttLib.getTableClass('glyf').mergeMap = {
'tableTag': equal,
'glyphs': sumDicts,
'glyphOrder': sumLists,
}
@_add_method(ttLib.getTableClass('glyf'))
def merge(self, m, tables):
for i,table in enumerate(tables):
for g in table.glyphs.values():
if i:
# Drop hints for all but first font, since
# we don't map functions / CVT values.
g.removeHinting()
# Expand composite glyphs to load their
# composite glyph names.
if g.isComposite():
g.expand(table)
return DefaultTable.merge(self, m, tables)
ttLib.getTableClass('prep').mergeMap = lambda self, lst: first(lst)
ttLib.getTableClass('fpgm').mergeMap = lambda self, lst: first(lst)
ttLib.getTableClass('cvt ').mergeMap = lambda self, lst: first(lst)
@_add_method(ttLib.getTableClass('cmap'))
def merge(self, m, tables):
# TODO Handle format=14.
cmapTables = [(t,fontIdx) for fontIdx,table in enumerate(tables) for t in table.tables
if t.isUnicode()]
# TODO Better handle format-4 and format-12 coexisting in same font.
# TODO Insert both a format-4 and format-12 if needed.
module = ttLib.getTableModule('cmap')
assert all(t.format in [4, 12] for t,_ in cmapTables)
format = max(t.format for t,_ in cmapTables)
cmapTable = module.cmap_classes[format](format)
cmapTable.cmap = {}
cmapTable.platformID = 3
cmapTable.platEncID = max(t.platEncID for t,_ in cmapTables)
cmapTable.language = 0
cmap = cmapTable.cmap
for table,fontIdx in cmapTables:
# TODO handle duplicates.
for uni,gid in table.cmap.items():
oldgid = cmap.get(uni, None)
if oldgid is None:
cmap[uni] = gid
elif oldgid != gid:
# Char previously mapped to oldgid, now to gid.
# Record, to fix up in GSUB 'locl' later.
assert m.duplicateGlyphsPerFont[fontIdx].get(oldgid, gid) == gid
m.duplicateGlyphsPerFont[fontIdx][oldgid] = gid
self.tableVersion = 0
self.tables = [cmapTable]
self.numSubTables = len(self.tables)
return self
otTables.ScriptList.mergeMap = {
'ScriptCount': sum,
'ScriptRecord': lambda lst: sorted(sumLists(lst), key=lambda s: s.ScriptTag),
}
otTables.FeatureList.mergeMap = {
'FeatureCount': sum,
'FeatureRecord': sumLists,
}
otTables.LookupList.mergeMap = {
'LookupCount': sum,
'Lookup': sumLists,
}
otTables.Coverage.mergeMap = {
'glyphs': sumLists,
}
otTables.ClassDef.mergeMap = {
'classDefs': sumDicts,
}
otTables.LigCaretList.mergeMap = {
'Coverage': mergeObjects,
'LigGlyphCount': sum,
'LigGlyph': sumLists,
}
otTables.AttachList.mergeMap = {
'Coverage': mergeObjects,
'GlyphCount': sum,
'AttachPoint': sumLists,
}
# XXX Renumber MarkFilterSets of lookups
otTables.MarkGlyphSetsDef.mergeMap = {
'MarkSetTableFormat': equal,
'MarkSetCount': sum,
'Coverage': sumLists,
}
otTables.GDEF.mergeMap = {
'*': mergeObjects,
'Version': max,
}
otTables.GSUB.mergeMap = otTables.GPOS.mergeMap = {
'*': mergeObjects,
'Version': max,
}
ttLib.getTableClass('GDEF').mergeMap = \
ttLib.getTableClass('GSUB').mergeMap = \
ttLib.getTableClass('GPOS').mergeMap = \
ttLib.getTableClass('BASE').mergeMap = \
ttLib.getTableClass('JSTF').mergeMap = \
ttLib.getTableClass('MATH').mergeMap = \
{
'tableTag': onlyExisting(equal), # XXX clean me up
'table': mergeObjects,
}
@_add_method(ttLib.getTableClass('GSUB'))
def merge(self, m, tables):
assert len(tables) == len(m.duplicateGlyphsPerFont)
for i,(table,dups) in enumerate(zip(tables, m.duplicateGlyphsPerFont)):
if not dups: continue
assert (table is not None and table is not NotImplemented), "Have duplicates to resolve for font %d but no GSUB" % (i + 1)
lookupMap = dict((id(v),v) for v in table.table.LookupList.Lookup)
featureMap = dict((id(v),v) for v in table.table.FeatureList.FeatureRecord)
synthFeature = None
synthLookup = None
for script in table.table.ScriptList.ScriptRecord:
if script.ScriptTag == 'DFLT': continue # XXX
for langsys in [script.Script.DefaultLangSys] + [l.LangSys for l in script.Script.LangSysRecord]:
feature = [featureMap[v] for v in langsys.FeatureIndex if featureMap[v].FeatureTag == 'locl']
assert len(feature) <= 1
if feature:
feature = feature[0]
else:
if not synthFeature:
synthFeature = otTables.FeatureRecord()
synthFeature.FeatureTag = 'locl'
f = synthFeature.Feature = otTables.Feature()
f.FeatureParams = None
f.LookupCount = 0
f.LookupListIndex = []
langsys.FeatureIndex.append(id(synthFeature))
featureMap[id(synthFeature)] = synthFeature
langsys.FeatureIndex.sort(key=lambda v: featureMap[v].FeatureTag)
table.table.FeatureList.FeatureRecord.append(synthFeature)
table.table.FeatureList.FeatureCount += 1
feature = synthFeature
if not synthLookup:
subtable = otTables.SingleSubst()
subtable.mapping = dups
synthLookup = otTables.Lookup()
synthLookup.LookupFlag = 0
synthLookup.LookupType = 1
synthLookup.SubTableCount = 1
synthLookup.SubTable = [subtable]
table.table.LookupList.Lookup.append(synthLookup)
table.table.LookupList.LookupCount += 1
feature.Feature.LookupListIndex[:0] = [id(synthLookup)]
feature.Feature.LookupCount += 1
DefaultTable.merge(self, m, tables)
return self
@_add_method(otTables.SingleSubst,
otTables.MultipleSubst,
otTables.AlternateSubst,
otTables.LigatureSubst,
otTables.ReverseChainSingleSubst,
otTables.SinglePos,
otTables.PairPos,
otTables.CursivePos,
otTables.MarkBasePos,
otTables.MarkLigPos,
otTables.MarkMarkPos)
def mapLookups(self, lookupMap):
pass
# Copied and trimmed down from subset.py
@_add_method(otTables.ContextSubst,
otTables.ChainContextSubst,
otTables.ContextPos,
otTables.ChainContextPos)
def __classify_context(self):
class ContextHelper(object):
def __init__(self, klass, Format):
if klass.__name__.endswith('Subst'):
Typ = 'Sub'
Type = 'Subst'
else:
Typ = 'Pos'
Type = 'Pos'
if klass.__name__.startswith('Chain'):
Chain = 'Chain'
else:
Chain = ''
ChainTyp = Chain+Typ
self.Typ = Typ
self.Type = Type
self.Chain = Chain
self.ChainTyp = ChainTyp
self.LookupRecord = Type+'LookupRecord'
if Format == 1:
self.Rule = ChainTyp+'Rule'
self.RuleSet = ChainTyp+'RuleSet'
elif Format == 2:
self.Rule = ChainTyp+'ClassRule'
self.RuleSet = ChainTyp+'ClassSet'
if self.Format not in [1, 2, 3]:
return None # Don't shoot the messenger; let it go
if not hasattr(self.__class__, "__ContextHelpers"):
self.__class__.__ContextHelpers = {}
if self.Format not in self.__class__.__ContextHelpers:
helper = ContextHelper(self.__class__, self.Format)
self.__class__.__ContextHelpers[self.Format] = helper
return self.__class__.__ContextHelpers[self.Format]
@_add_method(otTables.ContextSubst,
otTables.ChainContextSubst,
otTables.ContextPos,
otTables.ChainContextPos)
def mapLookups(self, lookupMap):
c = self.__classify_context()
if self.Format in [1, 2]:
for rs in getattr(self, c.RuleSet):
if not rs: continue
for r in getattr(rs, c.Rule):
if not r: continue
for ll in getattr(r, c.LookupRecord):
if not ll: continue
ll.LookupListIndex = lookupMap[ll.LookupListIndex]
elif self.Format == 3:
for ll in getattr(self, c.LookupRecord):
if not ll: continue
ll.LookupListIndex = lookupMap[ll.LookupListIndex]
else:
assert 0, "unknown format: %s" % self.Format
@_add_method(otTables.Lookup)
def mapLookups(self, lookupMap):
for st in self.SubTable:
if not st: continue
st.mapLookups(lookupMap)
@_add_method(otTables.LookupList)
def mapLookups(self, lookupMap):
for l in self.Lookup:
if not l: continue
l.mapLookups(lookupMap)
@_add_method(otTables.Feature)
def mapLookups(self, lookupMap):
self.LookupListIndex = [lookupMap[i] for i in self.LookupListIndex]
@_add_method(otTables.FeatureList)
def mapLookups(self, lookupMap):
for f in self.FeatureRecord:
if not f or not f.Feature: continue
f.Feature.mapLookups(lookupMap)
@_add_method(otTables.DefaultLangSys,
otTables.LangSys)
def mapFeatures(self, featureMap):
self.FeatureIndex = [featureMap[i] for i in self.FeatureIndex]
if self.ReqFeatureIndex != 65535:
self.ReqFeatureIndex = featureMap[self.ReqFeatureIndex]
@_add_method(otTables.Script)
def mapFeatures(self, featureMap):
if self.DefaultLangSys:
self.DefaultLangSys.mapFeatures(featureMap)
for l in self.LangSysRecord:
if not l or not l.LangSys: continue
l.LangSys.mapFeatures(featureMap)
@_add_method(otTables.ScriptList)
def mapFeatures(self, featureMap):
for s in self.ScriptRecord:
if not s or not s.Script: continue
s.Script.mapFeatures(featureMap)
class Options(object):
class UnknownOptionError(Exception):
pass
def __init__(self, **kwargs):
self.set(**kwargs)
def set(self, **kwargs):
for k,v in kwargs.items():
if not hasattr(self, k):
raise self.UnknownOptionError("Unknown option '%s'" % k)
setattr(self, k, v)
def parse_opts(self, argv, ignore_unknown=False):
ret = []
opts = {}
for a in argv:
orig_a = a
if not a.startswith('--'):
ret.append(a)
continue
a = a[2:]
i = a.find('=')
op = '='
if i == -1:
if a.startswith("no-"):
k = a[3:]
v = False
else:
k = a
v = True
else:
k = a[:i]
if k[-1] in "-+":
op = k[-1]+'=' # Ops is '-=' or '+=' now.
k = k[:-1]
v = a[i+1:]
k = k.replace('-', '_')
if not hasattr(self, k):
if ignore_unknown == True or k in ignore_unknown:
ret.append(orig_a)
continue
else:
raise self.UnknownOptionError("Unknown option '%s'" % a)
ov = getattr(self, k)
if isinstance(ov, bool):
v = bool(v)
elif isinstance(ov, int):
v = int(v)
elif isinstance(ov, list):
vv = v.split(',')
if vv == ['']:
vv = []
vv = [int(x, 0) if len(x) and x[0] in "0123456789" else x for x in vv]
if op == '=':
v = vv
elif op == '+=':
v = ov
v.extend(vv)
elif op == '-=':
v = ov
for x in vv:
if x in v:
v.remove(x)
else:
assert 0
opts[k] = v
self.set(**opts)
return ret
class Merger(object):
def __init__(self, options=None, log=None):
if not log:
log = Logger()
if not options:
options = Options()
self.options = options
self.log = log
def merge(self, fontfiles):
mega = ttLib.TTFont()
#
# Settle on a mega glyph order.
#
fonts = [ttLib.TTFont(fontfile) for fontfile in fontfiles]
glyphOrders = [font.getGlyphOrder() for font in fonts]
megaGlyphOrder = self._mergeGlyphOrders(glyphOrders)
# Reload fonts and set new glyph names on them.
# TODO Is it necessary to reload font? I think it is. At least
# it's safer, in case tables were loaded to provide glyph names.
fonts = [ttLib.TTFont(fontfile) for fontfile in fontfiles]
for font,glyphOrder in zip(fonts, glyphOrders):
font.setGlyphOrder(glyphOrder)
mega.setGlyphOrder(megaGlyphOrder)
for font in fonts:
self._preMerge(font)
self.duplicateGlyphsPerFont = [{} for f in fonts]
allTags = reduce(set.union, (list(font.keys()) for font in fonts), set())
allTags.remove('GlyphOrder')
allTags.remove('cmap')
allTags.remove('GSUB')
allTags = ['cmap', 'GSUB'] + list(allTags)
for tag in allTags:
tables = [font.get(tag, NotImplemented) for font in fonts]
clazz = ttLib.getTableClass(tag)
table = clazz(tag).merge(self, tables)
# XXX Clean this up and use: table = mergeObjects(tables)
if table is not NotImplemented and table is not False:
mega[tag] = table
self.log("Merged '%s'." % tag)
else:
self.log("Dropped '%s'." % tag)
self.log.lapse("merge '%s'" % tag)
del self.duplicateGlyphsPerFont
self._postMerge(mega)
return mega
def _mergeGlyphOrders(self, glyphOrders):
"""Modifies passed-in glyphOrders to reflect new glyph names.
Returns glyphOrder for the merged font."""
# Simply append font index to the glyph name for now.
# TODO Even this simplistic numbering can result in conflicts.
# But then again, we have to improve this soon anyway.
mega = []
for n,glyphOrder in enumerate(glyphOrders):
for i,glyphName in enumerate(glyphOrder):
glyphName += "#" + repr(n)
glyphOrder[i] = glyphName
mega.append(glyphName)
return mega
def mergeObjects(self, returnTable, logic, tables):
# Right now we don't use self at all. Will use in the future
# for options and logging.
allKeys = set.union(set(), *(vars(table).keys() for table in tables if table is not NotImplemented))
for key in allKeys:
try:
mergeLogic = logic[key]
except KeyError:
try:
mergeLogic = logic['*']
except KeyError:
raise Exception("Don't know how to merge key %s of class %s" %
(key, returnTable.__class__.__name__))
if mergeLogic is NotImplemented:
continue
value = mergeLogic(getattr(table, key, NotImplemented) for table in tables)
if value is not NotImplemented:
setattr(returnTable, key, value)
return returnTable
def _preMerge(self, font):
# Map indices to references
GDEF = font.get('GDEF')
GSUB = font.get('GSUB')
GPOS = font.get('GPOS')
for t in [GSUB, GPOS]:
if not t: continue
if t.table.LookupList:
lookupMap = dict((i,id(v)) for i,v in enumerate(t.table.LookupList.Lookup))
t.table.LookupList.mapLookups(lookupMap)
if t.table.FeatureList:
# XXX Handle present FeatureList but absent LookupList
t.table.FeatureList.mapLookups(lookupMap)
if t.table.FeatureList and t.table.ScriptList:
featureMap = dict((i,id(v)) for i,v in enumerate(t.table.FeatureList.FeatureRecord))
t.table.ScriptList.mapFeatures(featureMap)
# TODO GDEF/Lookup MarkFilteringSets
# TODO FeatureParams nameIDs
def _postMerge(self, font):
# Map references back to indices
GDEF = font.get('GDEF')
GSUB = font.get('GSUB')
GPOS = font.get('GPOS')
for t in [GSUB, GPOS]:
if not t: continue
if t.table.LookupList:
lookupMap = dict((id(v),i) for i,v in enumerate(t.table.LookupList.Lookup))
t.table.LookupList.mapLookups(lookupMap)
if t.table.FeatureList:
# XXX Handle present FeatureList but absent LookupList
t.table.FeatureList.mapLookups(lookupMap)
if t.table.FeatureList and t.table.ScriptList:
# XXX Handle present ScriptList but absent FeatureList
featureMap = dict((id(v),i) for i,v in enumerate(t.table.FeatureList.FeatureRecord))
t.table.ScriptList.mapFeatures(featureMap)
# TODO GDEF/Lookup MarkFilteringSets
# TODO FeatureParams nameIDs
class Logger(object):
def __init__(self, verbose=False, xml=False, timing=False):
self.verbose = verbose
self.xml = xml
self.timing = timing
self.last_time = self.start_time = time.time()
def parse_opts(self, argv):
argv = argv[:]
for v in ['verbose', 'xml', 'timing']:
if "--"+v in argv:
setattr(self, v, True)
argv.remove("--"+v)
return argv
def __call__(self, *things):
if not self.verbose:
return
print(' '.join(str(x) for x in things))
def lapse(self, *things):
if not self.timing:
return
new_time = time.time()
print("Took %0.3fs to %s" %(new_time - self.last_time,
' '.join(str(x) for x in things)))
self.last_time = new_time
def font(self, font, file=sys.stdout):
if not self.xml:
return
from fontTools.misc import xmlWriter
writer = xmlWriter.XMLWriter(file)
font.disassembleInstructions = False # Work around ttLib bug
for tag in font.keys():
writer.begintag(tag)
writer.newline()
font[tag].toXML(writer, font)
writer.endtag(tag)
writer.newline()
__all__ = [
'Options',
'Merger',
'Logger',
'main'
]
def main(args):
log = Logger()
args = log.parse_opts(args)
options = Options()
args = options.parse_opts(args)
if len(args) < 1:
print("usage: pyftmerge font...", file=sys.stderr)
sys.exit(1)
merger = Merger(options=options, log=log)
font = merger.merge(args)
outfile = 'merged.ttf'
font.save(outfile)
log.lapse("compile and save font")
log.last_time = log.start_time
log.lapse("make one with everything(TOTAL TIME)")
if __name__ == "__main__":
main(sys.argv[1:])