17842e56b97ce677b83bdab09cda48bc2d89ac75aJust"""Module for reading and writing AFM files.""" 27842e56b97ce677b83bdab09cda48bc2d89ac75aJust 37842e56b97ce677b83bdab09cda48bc2d89ac75aJust# XXX reads AFM's generated by Fog, not tested with much else. 47842e56b97ce677b83bdab09cda48bc2d89ac75aJust# It does not implement the full spec (Adobe Technote 5004, Adobe Font Metrics 57842e56b97ce677b83bdab09cda48bc2d89ac75aJust# File Format Specification). Still, it should read most "common" AFM files. 67842e56b97ce677b83bdab09cda48bc2d89ac75aJust 71ae29591efbb29492ce05378909ccf4028d7c1eeBehdad Esfahbodfrom __future__ import print_function, division, absolute_import 87ed91eca1eaa96b79eae780778e89bb9ec44c1eeBehdad Esfahbodfrom fontTools.misc.py23 import * 930e691edd056ba22fa8970280e986747817bec3dBehdad Esfahbodimport re 107842e56b97ce677b83bdab09cda48bc2d89ac75aJust 117842e56b97ce677b83bdab09cda48bc2d89ac75aJust# every single line starts with a "word" 127842e56b97ce677b83bdab09cda48bc2d89ac75aJustidentifierRE = re.compile("^([A-Za-z]+).*") 137842e56b97ce677b83bdab09cda48bc2d89ac75aJust 147842e56b97ce677b83bdab09cda48bc2d89ac75aJust# regular expression to parse char lines 157842e56b97ce677b83bdab09cda48bc2d89ac75aJustcharRE = re.compile( 167842e56b97ce677b83bdab09cda48bc2d89ac75aJust "(-?\d+)" # charnum 177842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s*;\s*WX\s+" # ; WX 1831ad351b75c56d7bf0d2d059e156baff14eafe68jvr "(-?\d+)" # width 197842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s*;\s*N\s+" # ; N 203c3c32c5a4db928ab702d54adddb32e9a3cf2beajvr "([.A-Za-z0-9_]+)" # charname 217842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s*;\s*B\s+" # ; B 227842e56b97ce677b83bdab09cda48bc2d89ac75aJust "(-?\d+)" # left 237842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s+" # 247842e56b97ce677b83bdab09cda48bc2d89ac75aJust "(-?\d+)" # bottom 257842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s+" # 267842e56b97ce677b83bdab09cda48bc2d89ac75aJust "(-?\d+)" # right 277842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s+" # 287842e56b97ce677b83bdab09cda48bc2d89ac75aJust "(-?\d+)" # top 297842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s*;\s*" # ; 307842e56b97ce677b83bdab09cda48bc2d89ac75aJust ) 317842e56b97ce677b83bdab09cda48bc2d89ac75aJust 327842e56b97ce677b83bdab09cda48bc2d89ac75aJust# regular expression to parse kerning lines 337842e56b97ce677b83bdab09cda48bc2d89ac75aJustkernRE = re.compile( 347842e56b97ce677b83bdab09cda48bc2d89ac75aJust "([.A-Za-z0-9_]+)" # leftchar 357842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s+" # 367842e56b97ce677b83bdab09cda48bc2d89ac75aJust "([.A-Za-z0-9_]+)" # rightchar 377842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s+" # 387842e56b97ce677b83bdab09cda48bc2d89ac75aJust "(-?\d+)" # value 397842e56b97ce677b83bdab09cda48bc2d89ac75aJust "\s*" # 407842e56b97ce677b83bdab09cda48bc2d89ac75aJust ) 417842e56b97ce677b83bdab09cda48bc2d89ac75aJust 4232f868492ce3f4a06aaf97fac1e4655c281c233aJust# regular expressions to parse composite info lines of the form: 4332f868492ce3f4a06aaf97fac1e4655c281c233aJust# Aacute 2 ; PCC A 0 0 ; PCC acute 182 211 ; 4432f868492ce3f4a06aaf97fac1e4655c281c233aJustcompositeRE = re.compile( 4532f868492ce3f4a06aaf97fac1e4655c281c233aJust "([.A-Za-z0-9_]+)" # char name 4632f868492ce3f4a06aaf97fac1e4655c281c233aJust "\s+" # 4732f868492ce3f4a06aaf97fac1e4655c281c233aJust "(\d+)" # number of parts 4832f868492ce3f4a06aaf97fac1e4655c281c233aJust "\s*;\s*" # 4932f868492ce3f4a06aaf97fac1e4655c281c233aJust ) 5032f868492ce3f4a06aaf97fac1e4655c281c233aJustcomponentRE = re.compile( 5132f868492ce3f4a06aaf97fac1e4655c281c233aJust "PCC\s+" # PPC 5232f868492ce3f4a06aaf97fac1e4655c281c233aJust "([.A-Za-z0-9_]+)" # base char name 5332f868492ce3f4a06aaf97fac1e4655c281c233aJust "\s+" # 5432f868492ce3f4a06aaf97fac1e4655c281c233aJust "(-?\d+)" # x offset 5532f868492ce3f4a06aaf97fac1e4655c281c233aJust "\s+" # 5632f868492ce3f4a06aaf97fac1e4655c281c233aJust "(-?\d+)" # y offset 5732f868492ce3f4a06aaf97fac1e4655c281c233aJust "\s*;\s*" # 5832f868492ce3f4a06aaf97fac1e4655c281c233aJust ) 5932f868492ce3f4a06aaf97fac1e4655c281c233aJust 6032f868492ce3f4a06aaf97fac1e4655c281c233aJustpreferredAttributeOrder = [ 6132f868492ce3f4a06aaf97fac1e4655c281c233aJust "FontName", 6232f868492ce3f4a06aaf97fac1e4655c281c233aJust "FullName", 6332f868492ce3f4a06aaf97fac1e4655c281c233aJust "FamilyName", 6432f868492ce3f4a06aaf97fac1e4655c281c233aJust "Weight", 6532f868492ce3f4a06aaf97fac1e4655c281c233aJust "ItalicAngle", 6632f868492ce3f4a06aaf97fac1e4655c281c233aJust "IsFixedPitch", 6732f868492ce3f4a06aaf97fac1e4655c281c233aJust "FontBBox", 6832f868492ce3f4a06aaf97fac1e4655c281c233aJust "UnderlinePosition", 6932f868492ce3f4a06aaf97fac1e4655c281c233aJust "UnderlineThickness", 7032f868492ce3f4a06aaf97fac1e4655c281c233aJust "Version", 7132f868492ce3f4a06aaf97fac1e4655c281c233aJust "Notice", 7232f868492ce3f4a06aaf97fac1e4655c281c233aJust "EncodingScheme", 7332f868492ce3f4a06aaf97fac1e4655c281c233aJust "CapHeight", 7432f868492ce3f4a06aaf97fac1e4655c281c233aJust "XHeight", 7532f868492ce3f4a06aaf97fac1e4655c281c233aJust "Ascender", 7632f868492ce3f4a06aaf97fac1e4655c281c233aJust "Descender", 7732f868492ce3f4a06aaf97fac1e4655c281c233aJust] 7832f868492ce3f4a06aaf97fac1e4655c281c233aJust 7932f868492ce3f4a06aaf97fac1e4655c281c233aJust 8032f868492ce3f4a06aaf97fac1e4655c281c233aJustclass error(Exception): pass 8132f868492ce3f4a06aaf97fac1e4655c281c233aJust 827842e56b97ce677b83bdab09cda48bc2d89ac75aJust 83e388db566b9ba42669c7e353db4293cf27bc2a5bBehdad Esfahbodclass AFM(object): 847842e56b97ce677b83bdab09cda48bc2d89ac75aJust 855910f971461cd3df60be89acd73672a22b62cba1jvr _attrs = None 865910f971461cd3df60be89acd73672a22b62cba1jvr 877842e56b97ce677b83bdab09cda48bc2d89ac75aJust _keywords = ['StartFontMetrics', 887842e56b97ce677b83bdab09cda48bc2d89ac75aJust 'EndFontMetrics', 897842e56b97ce677b83bdab09cda48bc2d89ac75aJust 'StartCharMetrics', 907842e56b97ce677b83bdab09cda48bc2d89ac75aJust 'EndCharMetrics', 917842e56b97ce677b83bdab09cda48bc2d89ac75aJust 'StartKernData', 927842e56b97ce677b83bdab09cda48bc2d89ac75aJust 'StartKernPairs', 937842e56b97ce677b83bdab09cda48bc2d89ac75aJust 'EndKernPairs', 9432f868492ce3f4a06aaf97fac1e4655c281c233aJust 'EndKernData', 9532f868492ce3f4a06aaf97fac1e4655c281c233aJust 'StartComposites', 9632f868492ce3f4a06aaf97fac1e4655c281c233aJust 'EndComposites', 9732f868492ce3f4a06aaf97fac1e4655c281c233aJust ] 987842e56b97ce677b83bdab09cda48bc2d89ac75aJust 9932f868492ce3f4a06aaf97fac1e4655c281c233aJust def __init__(self, path=None): 1007842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._attrs = {} 1017842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._chars = {} 1027842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._kerning = {} 1037842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._index = {} 1047842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._comments = [] 10532f868492ce3f4a06aaf97fac1e4655c281c233aJust self._composites = {} 1067842e56b97ce677b83bdab09cda48bc2d89ac75aJust if path is not None: 1077842e56b97ce677b83bdab09cda48bc2d89ac75aJust self.read(path) 1087842e56b97ce677b83bdab09cda48bc2d89ac75aJust 1097842e56b97ce677b83bdab09cda48bc2d89ac75aJust def read(self, path): 1107842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines = readlines(path) 1117842e56b97ce677b83bdab09cda48bc2d89ac75aJust for line in lines: 11214fb031125b773f0a15eb19be4f02ed8540b2db6Behdad Esfahbod if not line.strip(): 1137842e56b97ce677b83bdab09cda48bc2d89ac75aJust continue 1147842e56b97ce677b83bdab09cda48bc2d89ac75aJust m = identifierRE.match(line) 1157842e56b97ce677b83bdab09cda48bc2d89ac75aJust if m is None: 116dc7e6f3e5563a853477ebe26166b002c158dbe8bBehdad Esfahbod raise error("syntax error in AFM file: " + repr(line)) 1177842e56b97ce677b83bdab09cda48bc2d89ac75aJust 1187842e56b97ce677b83bdab09cda48bc2d89ac75aJust pos = m.regs[1][1] 1197842e56b97ce677b83bdab09cda48bc2d89ac75aJust word = line[:pos] 12014fb031125b773f0a15eb19be4f02ed8540b2db6Behdad Esfahbod rest = line[pos:].strip() 1217842e56b97ce677b83bdab09cda48bc2d89ac75aJust if word in self._keywords: 1227842e56b97ce677b83bdab09cda48bc2d89ac75aJust continue 12332f868492ce3f4a06aaf97fac1e4655c281c233aJust if word == "C": 1247842e56b97ce677b83bdab09cda48bc2d89ac75aJust self.parsechar(rest) 1257842e56b97ce677b83bdab09cda48bc2d89ac75aJust elif word == "KPX": 1267842e56b97ce677b83bdab09cda48bc2d89ac75aJust self.parsekernpair(rest) 12732f868492ce3f4a06aaf97fac1e4655c281c233aJust elif word == "CC": 12832f868492ce3f4a06aaf97fac1e4655c281c233aJust self.parsecomposite(rest) 1297842e56b97ce677b83bdab09cda48bc2d89ac75aJust else: 1307842e56b97ce677b83bdab09cda48bc2d89ac75aJust self.parseattr(word, rest) 1317842e56b97ce677b83bdab09cda48bc2d89ac75aJust 1327842e56b97ce677b83bdab09cda48bc2d89ac75aJust def parsechar(self, rest): 1337842e56b97ce677b83bdab09cda48bc2d89ac75aJust m = charRE.match(rest) 1347842e56b97ce677b83bdab09cda48bc2d89ac75aJust if m is None: 135dc7e6f3e5563a853477ebe26166b002c158dbe8bBehdad Esfahbod raise error("syntax error in AFM file: " + repr(rest)) 1367842e56b97ce677b83bdab09cda48bc2d89ac75aJust things = [] 1377842e56b97ce677b83bdab09cda48bc2d89ac75aJust for fr, to in m.regs[1:]: 1387842e56b97ce677b83bdab09cda48bc2d89ac75aJust things.append(rest[fr:to]) 1397842e56b97ce677b83bdab09cda48bc2d89ac75aJust charname = things[2] 1407842e56b97ce677b83bdab09cda48bc2d89ac75aJust del things[2] 14114fb031125b773f0a15eb19be4f02ed8540b2db6Behdad Esfahbod charnum, width, l, b, r, t = (int(thing) for thing in things) 1427842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._chars[charname] = charnum, width, (l, b, r, t) 1437842e56b97ce677b83bdab09cda48bc2d89ac75aJust 1447842e56b97ce677b83bdab09cda48bc2d89ac75aJust def parsekernpair(self, rest): 1457842e56b97ce677b83bdab09cda48bc2d89ac75aJust m = kernRE.match(rest) 1467842e56b97ce677b83bdab09cda48bc2d89ac75aJust if m is None: 147dc7e6f3e5563a853477ebe26166b002c158dbe8bBehdad Esfahbod raise error("syntax error in AFM file: " + repr(rest)) 1487842e56b97ce677b83bdab09cda48bc2d89ac75aJust things = [] 1497842e56b97ce677b83bdab09cda48bc2d89ac75aJust for fr, to in m.regs[1:]: 1507842e56b97ce677b83bdab09cda48bc2d89ac75aJust things.append(rest[fr:to]) 1517842e56b97ce677b83bdab09cda48bc2d89ac75aJust leftchar, rightchar, value = things 15214fb031125b773f0a15eb19be4f02ed8540b2db6Behdad Esfahbod value = int(value) 1537842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._kerning[(leftchar, rightchar)] = value 1547842e56b97ce677b83bdab09cda48bc2d89ac75aJust 1557842e56b97ce677b83bdab09cda48bc2d89ac75aJust def parseattr(self, word, rest): 1567842e56b97ce677b83bdab09cda48bc2d89ac75aJust if word == "FontBBox": 15714fb031125b773f0a15eb19be4f02ed8540b2db6Behdad Esfahbod l, b, r, t = [int(thing) for thing in rest.split()] 1587842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._attrs[word] = l, b, r, t 1597842e56b97ce677b83bdab09cda48bc2d89ac75aJust elif word == "Comment": 1607842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._comments.append(rest) 1617842e56b97ce677b83bdab09cda48bc2d89ac75aJust else: 1627842e56b97ce677b83bdab09cda48bc2d89ac75aJust try: 16314fb031125b773f0a15eb19be4f02ed8540b2db6Behdad Esfahbod value = int(rest) 1647842e56b97ce677b83bdab09cda48bc2d89ac75aJust except (ValueError, OverflowError): 1657842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._attrs[word] = rest 1667842e56b97ce677b83bdab09cda48bc2d89ac75aJust else: 1677842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._attrs[word] = value 1687842e56b97ce677b83bdab09cda48bc2d89ac75aJust 16932f868492ce3f4a06aaf97fac1e4655c281c233aJust def parsecomposite(self, rest): 17032f868492ce3f4a06aaf97fac1e4655c281c233aJust m = compositeRE.match(rest) 17132f868492ce3f4a06aaf97fac1e4655c281c233aJust if m is None: 172dc7e6f3e5563a853477ebe26166b002c158dbe8bBehdad Esfahbod raise error("syntax error in AFM file: " + repr(rest)) 17332f868492ce3f4a06aaf97fac1e4655c281c233aJust charname = m.group(1) 17432f868492ce3f4a06aaf97fac1e4655c281c233aJust ncomponents = int(m.group(2)) 17532f868492ce3f4a06aaf97fac1e4655c281c233aJust rest = rest[m.regs[0][1]:] 17632f868492ce3f4a06aaf97fac1e4655c281c233aJust components = [] 177ac1b4359467ca3deab03186a15eae1d55eb35567Behdad Esfahbod while True: 17832f868492ce3f4a06aaf97fac1e4655c281c233aJust m = componentRE.match(rest) 17932f868492ce3f4a06aaf97fac1e4655c281c233aJust if m is None: 180dc7e6f3e5563a853477ebe26166b002c158dbe8bBehdad Esfahbod raise error("syntax error in AFM file: " + repr(rest)) 18132f868492ce3f4a06aaf97fac1e4655c281c233aJust basechar = m.group(1) 18232f868492ce3f4a06aaf97fac1e4655c281c233aJust xoffset = int(m.group(2)) 18332f868492ce3f4a06aaf97fac1e4655c281c233aJust yoffset = int(m.group(3)) 18432f868492ce3f4a06aaf97fac1e4655c281c233aJust components.append((basechar, xoffset, yoffset)) 18532f868492ce3f4a06aaf97fac1e4655c281c233aJust rest = rest[m.regs[0][1]:] 18632f868492ce3f4a06aaf97fac1e4655c281c233aJust if not rest: 18732f868492ce3f4a06aaf97fac1e4655c281c233aJust break 18832f868492ce3f4a06aaf97fac1e4655c281c233aJust assert len(components) == ncomponents 18932f868492ce3f4a06aaf97fac1e4655c281c233aJust self._composites[charname] = components 19032f868492ce3f4a06aaf97fac1e4655c281c233aJust 1916175debd674004b3e88a4fea1338a090fc4b9da8Just def write(self, path, sep='\r'): 1927842e56b97ce677b83bdab09cda48bc2d89ac75aJust import time 1937842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines = [ "StartFontMetrics 2.0", 194ea48dba61d3c36a2cb2a7e0df0ce81093b8bd405Khaled Hosny "Comment Generated by afmLib; at %s" % ( 1957842e56b97ce677b83bdab09cda48bc2d89ac75aJust time.strftime("%m/%d/%Y %H:%M:%S", 1967842e56b97ce677b83bdab09cda48bc2d89ac75aJust time.localtime(time.time())))] 1977842e56b97ce677b83bdab09cda48bc2d89ac75aJust 19832f868492ce3f4a06aaf97fac1e4655c281c233aJust # write comments, assuming (possibly wrongly!) they should 19932f868492ce3f4a06aaf97fac1e4655c281c233aJust # all appear at the top 20032f868492ce3f4a06aaf97fac1e4655c281c233aJust for comment in self._comments: 20132f868492ce3f4a06aaf97fac1e4655c281c233aJust lines.append("Comment " + comment) 20232f868492ce3f4a06aaf97fac1e4655c281c233aJust 20332f868492ce3f4a06aaf97fac1e4655c281c233aJust # write attributes, first the ones we know about, in 20432f868492ce3f4a06aaf97fac1e4655c281c233aJust # a preferred order 20532f868492ce3f4a06aaf97fac1e4655c281c233aJust attrs = self._attrs 20632f868492ce3f4a06aaf97fac1e4655c281c233aJust for attr in preferredAttributeOrder: 207bc5e1cb195c0bfa1c8e7507326d5a9ad05aecb4bBehdad Esfahbod if attr in attrs: 20832f868492ce3f4a06aaf97fac1e4655c281c233aJust value = attrs[attr] 20932f868492ce3f4a06aaf97fac1e4655c281c233aJust if attr == "FontBBox": 21032f868492ce3f4a06aaf97fac1e4655c281c233aJust value = "%s %s %s %s" % value 21132f868492ce3f4a06aaf97fac1e4655c281c233aJust lines.append(attr + " " + str(value)) 21232f868492ce3f4a06aaf97fac1e4655c281c233aJust # then write the attributes we don't know about, 21332f868492ce3f4a06aaf97fac1e4655c281c233aJust # in alphabetical order 214ac1b4359467ca3deab03186a15eae1d55eb35567Behdad Esfahbod items = sorted(attrs.items()) 2157842e56b97ce677b83bdab09cda48bc2d89ac75aJust for attr, value in items: 21632f868492ce3f4a06aaf97fac1e4655c281c233aJust if attr in preferredAttributeOrder: 21732f868492ce3f4a06aaf97fac1e4655c281c233aJust continue 2187842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append(attr + " " + str(value)) 2197842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2207842e56b97ce677b83bdab09cda48bc2d89ac75aJust # write char metrics 221dc7e6f3e5563a853477ebe26166b002c158dbe8bBehdad Esfahbod lines.append("StartCharMetrics " + repr(len(self._chars))) 222e5ca79699d00fdf7ac6eaceaed372aea8d6bc1fdBehdad Esfahbod items = [(charnum, (charname, width, box)) for charname, (charnum, width, box) in self._chars.items()] 2237842e56b97ce677b83bdab09cda48bc2d89ac75aJust 224b7fd2e19138b177403689bdd6989cfd2402aa2b3Behdad Esfahbod def myKey(a): 225b7fd2e19138b177403689bdd6989cfd2402aa2b3Behdad Esfahbod """Custom key function to make sure unencoded chars (-1) 2267842e56b97ce677b83bdab09cda48bc2d89ac75aJust end up at the end of the list after sorting.""" 2277842e56b97ce677b83bdab09cda48bc2d89ac75aJust if a[0] == -1: 2287842e56b97ce677b83bdab09cda48bc2d89ac75aJust a = (0xffff,) + a[1:] # 0xffff is an arbitrary large number 229b7fd2e19138b177403689bdd6989cfd2402aa2b3Behdad Esfahbod return a 230b7fd2e19138b177403689bdd6989cfd2402aa2b3Behdad Esfahbod items.sort(key=myKey) 2317842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2327842e56b97ce677b83bdab09cda48bc2d89ac75aJust for charnum, (charname, width, (l, b, r, t)) in items: 2337842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append("C %d ; WX %d ; N %s ; B %d %d %d %d ;" % 2347842e56b97ce677b83bdab09cda48bc2d89ac75aJust (charnum, width, charname, l, b, r, t)) 2357842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append("EndCharMetrics") 2367842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2377842e56b97ce677b83bdab09cda48bc2d89ac75aJust # write kerning info 2387842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append("StartKernData") 239dc7e6f3e5563a853477ebe26166b002c158dbe8bBehdad Esfahbod lines.append("StartKernPairs " + repr(len(self._kerning))) 240c2297cd41d6c00b95f857b65bc9fd4b57559ac5eBehdad Esfahbod items = sorted(self._kerning.items()) 2417842e56b97ce677b83bdab09cda48bc2d89ac75aJust for (leftchar, rightchar), value in items: 2427842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append("KPX %s %s %d" % (leftchar, rightchar, value)) 2437842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append("EndKernPairs") 2447842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append("EndKernData") 24532f868492ce3f4a06aaf97fac1e4655c281c233aJust 24632f868492ce3f4a06aaf97fac1e4655c281c233aJust if self._composites: 247ac1b4359467ca3deab03186a15eae1d55eb35567Behdad Esfahbod composites = sorted(self._composites.items()) 24832f868492ce3f4a06aaf97fac1e4655c281c233aJust lines.append("StartComposites %s" % len(self._composites)) 24932f868492ce3f4a06aaf97fac1e4655c281c233aJust for charname, components in composites: 25032f868492ce3f4a06aaf97fac1e4655c281c233aJust line = "CC %s %s ;" % (charname, len(components)) 25132f868492ce3f4a06aaf97fac1e4655c281c233aJust for basechar, xoffset, yoffset in components: 25232f868492ce3f4a06aaf97fac1e4655c281c233aJust line = line + " PCC %s %s %s ;" % (basechar, xoffset, yoffset) 25332f868492ce3f4a06aaf97fac1e4655c281c233aJust lines.append(line) 25432f868492ce3f4a06aaf97fac1e4655c281c233aJust lines.append("EndComposites") 25532f868492ce3f4a06aaf97fac1e4655c281c233aJust 2567842e56b97ce677b83bdab09cda48bc2d89ac75aJust lines.append("EndFontMetrics") 2577842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2587842e56b97ce677b83bdab09cda48bc2d89ac75aJust writelines(path, lines, sep) 2597842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2607842e56b97ce677b83bdab09cda48bc2d89ac75aJust def has_kernpair(self, pair): 261bc5e1cb195c0bfa1c8e7507326d5a9ad05aecb4bBehdad Esfahbod return pair in self._kerning 2627842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2637842e56b97ce677b83bdab09cda48bc2d89ac75aJust def kernpairs(self): 264c2297cd41d6c00b95f857b65bc9fd4b57559ac5eBehdad Esfahbod return list(self._kerning.keys()) 2657842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2667842e56b97ce677b83bdab09cda48bc2d89ac75aJust def has_char(self, char): 267bc5e1cb195c0bfa1c8e7507326d5a9ad05aecb4bBehdad Esfahbod return char in self._chars 2687842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2697842e56b97ce677b83bdab09cda48bc2d89ac75aJust def chars(self): 270c2297cd41d6c00b95f857b65bc9fd4b57559ac5eBehdad Esfahbod return list(self._chars.keys()) 2717842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2727842e56b97ce677b83bdab09cda48bc2d89ac75aJust def comments(self): 2737842e56b97ce677b83bdab09cda48bc2d89ac75aJust return self._comments 2747842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2756175debd674004b3e88a4fea1338a090fc4b9da8Just def addComment(self, comment): 2766175debd674004b3e88a4fea1338a090fc4b9da8Just self._comments.append(comment) 2776175debd674004b3e88a4fea1338a090fc4b9da8Just 2786175debd674004b3e88a4fea1338a090fc4b9da8Just def addComposite(self, glyphName, components): 2796175debd674004b3e88a4fea1338a090fc4b9da8Just self._composites[glyphName] = components 2806175debd674004b3e88a4fea1338a090fc4b9da8Just 2817842e56b97ce677b83bdab09cda48bc2d89ac75aJust def __getattr__(self, attr): 282bc5e1cb195c0bfa1c8e7507326d5a9ad05aecb4bBehdad Esfahbod if attr in self._attrs: 2837842e56b97ce677b83bdab09cda48bc2d89ac75aJust return self._attrs[attr] 2847842e56b97ce677b83bdab09cda48bc2d89ac75aJust else: 285cd5aad92f23737ff93a110d5c73d624658a28da8Behdad Esfahbod raise AttributeError(attr) 2867842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2877842e56b97ce677b83bdab09cda48bc2d89ac75aJust def __setattr__(self, attr, value): 2887842e56b97ce677b83bdab09cda48bc2d89ac75aJust # all attrs *not* starting with "_" are consider to be AFM keywords 2897842e56b97ce677b83bdab09cda48bc2d89ac75aJust if attr[:1] == "_": 2907842e56b97ce677b83bdab09cda48bc2d89ac75aJust self.__dict__[attr] = value 2917842e56b97ce677b83bdab09cda48bc2d89ac75aJust else: 2927842e56b97ce677b83bdab09cda48bc2d89ac75aJust self._attrs[attr] = value 2937842e56b97ce677b83bdab09cda48bc2d89ac75aJust 2946175debd674004b3e88a4fea1338a090fc4b9da8Just def __delattr__(self, attr): 2956175debd674004b3e88a4fea1338a090fc4b9da8Just # all attrs *not* starting with "_" are consider to be AFM keywords 2966175debd674004b3e88a4fea1338a090fc4b9da8Just if attr[:1] == "_": 2976175debd674004b3e88a4fea1338a090fc4b9da8Just try: 2986175debd674004b3e88a4fea1338a090fc4b9da8Just del self.__dict__[attr] 2996175debd674004b3e88a4fea1338a090fc4b9da8Just except KeyError: 300cd5aad92f23737ff93a110d5c73d624658a28da8Behdad Esfahbod raise AttributeError(attr) 3016175debd674004b3e88a4fea1338a090fc4b9da8Just else: 3026175debd674004b3e88a4fea1338a090fc4b9da8Just try: 3036175debd674004b3e88a4fea1338a090fc4b9da8Just del self._attrs[attr] 3046175debd674004b3e88a4fea1338a090fc4b9da8Just except KeyError: 305cd5aad92f23737ff93a110d5c73d624658a28da8Behdad Esfahbod raise AttributeError(attr) 3066175debd674004b3e88a4fea1338a090fc4b9da8Just 3077842e56b97ce677b83bdab09cda48bc2d89ac75aJust def __getitem__(self, key): 308002c32fd0d869e280783777ec57916a9267aaea5Behdad Esfahbod if isinstance(key, tuple): 3097842e56b97ce677b83bdab09cda48bc2d89ac75aJust # key is a tuple, return the kernpair 3106175debd674004b3e88a4fea1338a090fc4b9da8Just return self._kerning[key] 3117842e56b97ce677b83bdab09cda48bc2d89ac75aJust else: 3127842e56b97ce677b83bdab09cda48bc2d89ac75aJust # return the metrics instead 3136175debd674004b3e88a4fea1338a090fc4b9da8Just return self._chars[key] 3146175debd674004b3e88a4fea1338a090fc4b9da8Just 3156175debd674004b3e88a4fea1338a090fc4b9da8Just def __setitem__(self, key, value): 316002c32fd0d869e280783777ec57916a9267aaea5Behdad Esfahbod if isinstance(key, tuple): 3176175debd674004b3e88a4fea1338a090fc4b9da8Just # key is a tuple, set kernpair 3186175debd674004b3e88a4fea1338a090fc4b9da8Just self._kerning[key] = value 3196175debd674004b3e88a4fea1338a090fc4b9da8Just else: 3206175debd674004b3e88a4fea1338a090fc4b9da8Just # set char metrics 3216175debd674004b3e88a4fea1338a090fc4b9da8Just self._chars[key] = value 3226175debd674004b3e88a4fea1338a090fc4b9da8Just 3236175debd674004b3e88a4fea1338a090fc4b9da8Just def __delitem__(self, key): 324002c32fd0d869e280783777ec57916a9267aaea5Behdad Esfahbod if isinstance(key, tuple): 3256175debd674004b3e88a4fea1338a090fc4b9da8Just # key is a tuple, del kernpair 3266175debd674004b3e88a4fea1338a090fc4b9da8Just del self._kerning[key] 3276175debd674004b3e88a4fea1338a090fc4b9da8Just else: 3286175debd674004b3e88a4fea1338a090fc4b9da8Just # del char metrics 3296175debd674004b3e88a4fea1338a090fc4b9da8Just del self._chars[key] 3307842e56b97ce677b83bdab09cda48bc2d89ac75aJust 3317842e56b97ce677b83bdab09cda48bc2d89ac75aJust def __repr__(self): 3327842e56b97ce677b83bdab09cda48bc2d89ac75aJust if hasattr(self, "FullName"): 3337842e56b97ce677b83bdab09cda48bc2d89ac75aJust return '<AFM object for %s>' % self.FullName 3347842e56b97ce677b83bdab09cda48bc2d89ac75aJust else: 3357842e56b97ce677b83bdab09cda48bc2d89ac75aJust return '<AFM object at %x>' % id(self) 3367842e56b97ce677b83bdab09cda48bc2d89ac75aJust 3377842e56b97ce677b83bdab09cda48bc2d89ac75aJust 3387842e56b97ce677b83bdab09cda48bc2d89ac75aJustdef readlines(path): 3397842e56b97ce677b83bdab09cda48bc2d89ac75aJust f = open(path, 'rb') 3407842e56b97ce677b83bdab09cda48bc2d89ac75aJust data = f.read() 3417842e56b97ce677b83bdab09cda48bc2d89ac75aJust f.close() 3427842e56b97ce677b83bdab09cda48bc2d89ac75aJust # read any text file, regardless whether it's formatted for Mac, Unix or Dos 3437842e56b97ce677b83bdab09cda48bc2d89ac75aJust sep = "" 3447842e56b97ce677b83bdab09cda48bc2d89ac75aJust if '\r' in data: 3457842e56b97ce677b83bdab09cda48bc2d89ac75aJust sep = sep + '\r' # mac or dos 3467842e56b97ce677b83bdab09cda48bc2d89ac75aJust if '\n' in data: 3477842e56b97ce677b83bdab09cda48bc2d89ac75aJust sep = sep + '\n' # unix or dos 34814fb031125b773f0a15eb19be4f02ed8540b2db6Behdad Esfahbod return data.split(sep) 3497842e56b97ce677b83bdab09cda48bc2d89ac75aJust 35032f868492ce3f4a06aaf97fac1e4655c281c233aJustdef writelines(path, lines, sep='\r'): 3517842e56b97ce677b83bdab09cda48bc2d89ac75aJust f = open(path, 'wb') 3527842e56b97ce677b83bdab09cda48bc2d89ac75aJust for line in lines: 3537842e56b97ce677b83bdab09cda48bc2d89ac75aJust f.write(line + sep) 3547842e56b97ce677b83bdab09cda48bc2d89ac75aJust f.close() 3557842e56b97ce677b83bdab09cda48bc2d89ac75aJust 3567842e56b97ce677b83bdab09cda48bc2d89ac75aJust 3577842e56b97ce677b83bdab09cda48bc2d89ac75aJust 3587842e56b97ce677b83bdab09cda48bc2d89ac75aJustif __name__ == "__main__": 35991bca4244286fb519c93fe92329da96b0e6f32eejvr import EasyDialogs 36091bca4244286fb519c93fe92329da96b0e6f32eejvr path = EasyDialogs.AskFileForOpen() 36191bca4244286fb519c93fe92329da96b0e6f32eejvr if path: 3627842e56b97ce677b83bdab09cda48bc2d89ac75aJust afm = AFM(path) 3637842e56b97ce677b83bdab09cda48bc2d89ac75aJust char = 'A' 3647842e56b97ce677b83bdab09cda48bc2d89ac75aJust if afm.has_char(char): 3653ec6a258238b6068e4eef3fe579f1f5c0a06bbbaBehdad Esfahbod print(afm[char]) # print charnum, width and boundingbox 3667842e56b97ce677b83bdab09cda48bc2d89ac75aJust pair = ('A', 'V') 3677842e56b97ce677b83bdab09cda48bc2d89ac75aJust if afm.has_kernpair(pair): 3683ec6a258238b6068e4eef3fe579f1f5c0a06bbbaBehdad Esfahbod print(afm[pair]) # print kerning value for pair 3693ec6a258238b6068e4eef3fe579f1f5c0a06bbbaBehdad Esfahbod print(afm.Version) # various other afm entries have become attributes 3703ec6a258238b6068e4eef3fe579f1f5c0a06bbbaBehdad Esfahbod print(afm.Weight) 3717842e56b97ce677b83bdab09cda48bc2d89ac75aJust # afm.comments() returns a list of all Comment lines found in the AFM 3723ec6a258238b6068e4eef3fe579f1f5c0a06bbbaBehdad Esfahbod print(afm.comments()) 3737842e56b97ce677b83bdab09cda48bc2d89ac75aJust #print afm.chars() 3747842e56b97ce677b83bdab09cda48bc2d89ac75aJust #print afm.kernpairs() 3753ec6a258238b6068e4eef3fe579f1f5c0a06bbbaBehdad Esfahbod print(afm) 37632f868492ce3f4a06aaf97fac1e4655c281c233aJust afm.write(path + ".muck") 3777842e56b97ce677b83bdab09cda48bc2d89ac75aJust 378