Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 1 | """cffLib.py -- read/write tools for Adobe CFF fonts.""" |
| 2 | |
Behdad Esfahbod | 1ae2959 | 2014-01-14 15:07:50 +0800 | [diff] [blame] | 3 | from __future__ import print_function, division, absolute_import |
Behdad Esfahbod | 30e691e | 2013-11-27 17:27:45 -0500 | [diff] [blame] | 4 | from fontTools.misc.py23 import * |
Behdad Esfahbod | 8413c10 | 2013-09-17 16:59:39 -0400 | [diff] [blame] | 5 | from fontTools.misc import sstruct |
Just | 528614e | 2000-01-16 22:14:02 +0000 | [diff] [blame] | 6 | from fontTools.misc import psCharStrings |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 7 | from fontTools.misc.textTools import safeEval |
Behdad Esfahbod | 30e691e | 2013-11-27 17:27:45 -0500 | [diff] [blame] | 8 | import struct |
Behdad Esfahbod | 2a9b868 | 2013-11-27 05:52:33 -0500 | [diff] [blame] | 9 | |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 10 | DEBUG = 0 |
| 11 | |
| 12 | |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 13 | cffHeaderFormat = """ |
| 14 | major: B |
| 15 | minor: B |
| 16 | hdrSize: B |
| 17 | offSize: B |
| 18 | """ |
| 19 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 20 | class CFFFontSet(object): |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 21 | |
| 22 | def __init__(self): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 23 | pass |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 24 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 25 | def decompile(self, file, otFont): |
jvr | a2a75b3 | 2002-05-13 11:25:17 +0000 | [diff] [blame] | 26 | sstruct.unpack(cffHeaderFormat, file.read(4), self) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 27 | assert self.major == 1 and self.minor == 0, \ |
| 28 | "unknown CFF format: %d.%d" % (self.major, self.minor) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 29 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 30 | file.seek(self.hdrSize) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 31 | self.fontNames = list(Index(file)) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 32 | self.topDictIndex = TopDictIndex(file) |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 33 | self.strings = IndexedStrings(file) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 34 | self.GlobalSubrs = GlobalSubrsIndex(file) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 35 | self.topDictIndex.strings = self.strings |
jvr | 016ca76 | 2002-05-16 18:38:03 +0000 | [diff] [blame] | 36 | self.topDictIndex.GlobalSubrs = self.GlobalSubrs |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 37 | |
| 38 | def __len__(self): |
| 39 | return len(self.fontNames) |
| 40 | |
| 41 | def keys(self): |
jvr | ce52241 | 2003-08-25 07:37:25 +0000 | [diff] [blame] | 42 | return list(self.fontNames) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 43 | |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 44 | def values(self): |
| 45 | return self.topDictIndex |
| 46 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 47 | def __getitem__(self, name): |
| 48 | try: |
| 49 | index = self.fontNames.index(name) |
| 50 | except ValueError: |
Behdad Esfahbod | cd5aad9 | 2013-11-27 02:42:28 -0500 | [diff] [blame] | 51 | raise KeyError(name) |
jvr | 016ca76 | 2002-05-16 18:38:03 +0000 | [diff] [blame] | 52 | return self.topDictIndex[index] |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 53 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 54 | def compile(self, file, otFont): |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 55 | strings = IndexedStrings() |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 56 | writer = CFFWriter() |
| 57 | writer.add(sstruct.pack(cffHeaderFormat, self)) |
| 58 | fontNames = Index() |
| 59 | for name in self.fontNames: |
| 60 | fontNames.append(name) |
| 61 | writer.add(fontNames.getCompiler(strings, None)) |
| 62 | topCompiler = self.topDictIndex.getCompiler(strings, None) |
| 63 | writer.add(topCompiler) |
| 64 | writer.add(strings.getCompiler()) |
| 65 | writer.add(self.GlobalSubrs.getCompiler(strings, None)) |
| 66 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 67 | for topDict in self.topDictIndex: |
| 68 | if not hasattr(topDict, "charset") or topDict.charset is None: |
| 69 | charset = otFont.getGlyphOrder() |
| 70 | topDict.charset = charset |
| 71 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 72 | for child in topCompiler.getChildren(strings): |
| 73 | writer.add(child) |
| 74 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 75 | writer.toFile(file) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 76 | |
| 77 | def toXML(self, xmlWriter, progress=None): |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 78 | for fontName in self.fontNames: |
Behdad Esfahbod | 024d153 | 2013-11-28 07:10:53 -0500 | [diff] [blame] | 79 | xmlWriter.begintag("CFFFont", name=tostr(fontName)) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 80 | xmlWriter.newline() |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 81 | font = self[fontName] |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 82 | font.toXML(xmlWriter, progress) |
| 83 | xmlWriter.endtag("CFFFont") |
| 84 | xmlWriter.newline() |
| 85 | xmlWriter.newline() |
| 86 | xmlWriter.begintag("GlobalSubrs") |
| 87 | xmlWriter.newline() |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 88 | self.GlobalSubrs.toXML(xmlWriter, progress) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 89 | xmlWriter.endtag("GlobalSubrs") |
| 90 | xmlWriter.newline() |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 91 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 92 | def fromXML(self, name, attrs, content): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 93 | if not hasattr(self, "GlobalSubrs"): |
| 94 | self.GlobalSubrs = GlobalSubrsIndex() |
| 95 | self.major = 1 |
| 96 | self.minor = 0 |
| 97 | self.hdrSize = 4 |
| 98 | self.offSize = 4 # XXX ?? |
| 99 | if name == "CFFFont": |
| 100 | if not hasattr(self, "fontNames"): |
| 101 | self.fontNames = [] |
| 102 | self.topDictIndex = TopDictIndex() |
| 103 | fontName = attrs["name"] |
| 104 | topDict = TopDict(GlobalSubrs=self.GlobalSubrs) |
| 105 | topDict.charset = None # gets filled in later |
| 106 | self.fontNames.append(fontName) |
| 107 | self.topDictIndex.append(topDict) |
| 108 | for element in content: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 109 | if isinstance(element, basestring): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 110 | continue |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 111 | name, attrs, content = element |
| 112 | topDict.fromXML(name, attrs, content) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 113 | elif name == "GlobalSubrs": |
| 114 | for element in content: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 115 | if isinstance(element, basestring): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 116 | continue |
| 117 | name, attrs, content = element |
jvr | 489d76a | 2003-08-24 19:56:16 +0000 | [diff] [blame] | 118 | subr = psCharStrings.T2CharString() |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 119 | subr.fromXML(name, attrs, content) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 120 | self.GlobalSubrs.append(subr) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 121 | |
| 122 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 123 | class CFFWriter(object): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 124 | |
| 125 | def __init__(self): |
| 126 | self.data = [] |
| 127 | |
| 128 | def add(self, table): |
| 129 | self.data.append(table) |
| 130 | |
| 131 | def toFile(self, file): |
| 132 | lastPosList = None |
| 133 | count = 1 |
Behdad Esfahbod | ac1b435 | 2013-11-27 04:15:34 -0500 | [diff] [blame] | 134 | while True: |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 135 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 136 | print("CFFWriter.toFile() iteration:", count) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 137 | count = count + 1 |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 138 | pos = 0 |
| 139 | posList = [pos] |
| 140 | for item in self.data: |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 141 | if hasattr(item, "getDataLength"): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 142 | endPos = pos + item.getDataLength() |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 143 | else: |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 144 | endPos = pos + len(item) |
| 145 | if hasattr(item, "setPos"): |
| 146 | item.setPos(pos, endPos) |
| 147 | pos = endPos |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 148 | posList.append(pos) |
| 149 | if posList == lastPosList: |
| 150 | break |
| 151 | lastPosList = posList |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 152 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 153 | print("CFFWriter.toFile() writing to file.") |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 154 | begin = file.tell() |
| 155 | posList = [0] |
| 156 | for item in self.data: |
| 157 | if hasattr(item, "toFile"): |
| 158 | item.toFile(file) |
| 159 | else: |
| 160 | file.write(item) |
| 161 | posList.append(file.tell() - begin) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 162 | assert posList == lastPosList |
| 163 | |
| 164 | |
| 165 | def calcOffSize(largestOffset): |
| 166 | if largestOffset < 0x100: |
| 167 | offSize = 1 |
| 168 | elif largestOffset < 0x10000: |
| 169 | offSize = 2 |
| 170 | elif largestOffset < 0x1000000: |
| 171 | offSize = 3 |
| 172 | else: |
| 173 | offSize = 4 |
| 174 | return offSize |
| 175 | |
| 176 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 177 | class IndexCompiler(object): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 178 | |
| 179 | def __init__(self, items, strings, parent): |
| 180 | self.items = self.getItems(items, strings) |
| 181 | self.parent = parent |
| 182 | |
| 183 | def getItems(self, items, strings): |
| 184 | return items |
| 185 | |
| 186 | def getOffsets(self): |
| 187 | pos = 1 |
| 188 | offsets = [pos] |
| 189 | for item in self.items: |
| 190 | if hasattr(item, "getDataLength"): |
| 191 | pos = pos + item.getDataLength() |
| 192 | else: |
| 193 | pos = pos + len(item) |
| 194 | offsets.append(pos) |
| 195 | return offsets |
| 196 | |
| 197 | def getDataLength(self): |
| 198 | lastOffset = self.getOffsets()[-1] |
| 199 | offSize = calcOffSize(lastOffset) |
| 200 | dataLength = ( |
| 201 | 2 + # count |
| 202 | 1 + # offSize |
| 203 | (len(self.items) + 1) * offSize + # the offsets |
| 204 | lastOffset - 1 # size of object data |
| 205 | ) |
| 206 | return dataLength |
| 207 | |
| 208 | def toFile(self, file): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 209 | offsets = self.getOffsets() |
| 210 | writeCard16(file, len(self.items)) |
| 211 | offSize = calcOffSize(offsets[-1]) |
| 212 | writeCard8(file, offSize) |
| 213 | offSize = -offSize |
| 214 | pack = struct.pack |
| 215 | for offset in offsets: |
| 216 | binOffset = pack(">l", offset)[offSize:] |
| 217 | assert len(binOffset) == -offSize |
| 218 | file.write(binOffset) |
| 219 | for item in self.items: |
| 220 | if hasattr(item, "toFile"): |
| 221 | item.toFile(file) |
| 222 | else: |
Behdad Esfahbod | 85a64db | 2013-12-16 00:03:15 -0500 | [diff] [blame] | 223 | file.write(tobytes(item, encoding="latin1")) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 224 | |
| 225 | |
| 226 | class IndexedStringsCompiler(IndexCompiler): |
| 227 | |
| 228 | def getItems(self, items, strings): |
| 229 | return items.strings |
| 230 | |
| 231 | |
| 232 | class TopDictIndexCompiler(IndexCompiler): |
| 233 | |
| 234 | def getItems(self, items, strings): |
| 235 | out = [] |
| 236 | for item in items: |
| 237 | out.append(item.getCompiler(strings, self)) |
| 238 | return out |
| 239 | |
| 240 | def getChildren(self, strings): |
| 241 | children = [] |
| 242 | for topDict in self.items: |
| 243 | children.extend(topDict.getChildren(strings)) |
| 244 | return children |
| 245 | |
| 246 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 247 | class FDArrayIndexCompiler(IndexCompiler): |
| 248 | |
| 249 | def getItems(self, items, strings): |
| 250 | out = [] |
| 251 | for item in items: |
| 252 | out.append(item.getCompiler(strings, self)) |
| 253 | return out |
| 254 | |
| 255 | def getChildren(self, strings): |
| 256 | children = [] |
| 257 | for fontDict in self.items: |
| 258 | children.extend(fontDict.getChildren(strings)) |
| 259 | return children |
| 260 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 261 | def toFile(self, file): |
| 262 | offsets = self.getOffsets() |
| 263 | writeCard16(file, len(self.items)) |
| 264 | offSize = calcOffSize(offsets[-1]) |
| 265 | writeCard8(file, offSize) |
| 266 | offSize = -offSize |
| 267 | pack = struct.pack |
| 268 | for offset in offsets: |
| 269 | binOffset = pack(">l", offset)[offSize:] |
| 270 | assert len(binOffset) == -offSize |
| 271 | file.write(binOffset) |
| 272 | for item in self.items: |
| 273 | if hasattr(item, "toFile"): |
| 274 | item.toFile(file) |
| 275 | else: |
| 276 | file.write(item) |
| 277 | |
| 278 | def setPos(self, pos, endPos): |
| 279 | self.parent.rawDict["FDArray"] = pos |
| 280 | |
| 281 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 282 | class GlobalSubrsCompiler(IndexCompiler): |
| 283 | def getItems(self, items, strings): |
| 284 | out = [] |
| 285 | for cs in items: |
| 286 | cs.compile() |
| 287 | out.append(cs.bytecode) |
| 288 | return out |
| 289 | |
| 290 | class SubrsCompiler(GlobalSubrsCompiler): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 291 | def setPos(self, pos, endPos): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 292 | offset = pos - self.parent.pos |
| 293 | self.parent.rawDict["Subrs"] = offset |
| 294 | |
| 295 | class CharStringsCompiler(GlobalSubrsCompiler): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 296 | def setPos(self, pos, endPos): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 297 | self.parent.rawDict["CharStrings"] = pos |
| 298 | |
| 299 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 300 | class Index(object): |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 301 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 302 | """This class represents what the CFF spec calls an INDEX.""" |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 303 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 304 | compilerClass = IndexCompiler |
| 305 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 306 | def __init__(self, file=None): |
| 307 | name = self.__class__.__name__ |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 308 | if file is None: |
| 309 | self.items = [] |
| 310 | return |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 311 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 312 | print("loading %s at %s" % (name, file.tell())) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 313 | self.file = file |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 314 | count = readCard16(file) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 315 | self.count = count |
| 316 | self.items = [None] * count |
| 317 | if count == 0: |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 318 | self.items = [] |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 319 | return |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 320 | offSize = readCard8(file) |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 321 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 322 | print(" index count: %s offSize: %s" % (count, offSize)) |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 323 | assert offSize <= 4, "offSize too large: %s" % offSize |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 324 | self.offsets = offsets = [] |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 325 | pad = b'\0' * (4 - offSize) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 326 | for index in range(count+1): |
| 327 | chunk = file.read(offSize) |
| 328 | chunk = pad + chunk |
| 329 | offset, = struct.unpack(">L", chunk) |
| 330 | offsets.append(int(offset)) |
| 331 | self.offsetBase = file.tell() - 1 |
| 332 | file.seek(self.offsetBase + offsets[-1]) # pretend we've read the whole lot |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 333 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 334 | print(" end of %s at %s" % (name, file.tell())) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 335 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 336 | def __len__(self): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 337 | return len(self.items) |
jvr | a2a75b3 | 2002-05-13 11:25:17 +0000 | [diff] [blame] | 338 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 339 | def __getitem__(self, index): |
| 340 | item = self.items[index] |
| 341 | if item is not None: |
| 342 | return item |
| 343 | offset = self.offsets[index] + self.offsetBase |
| 344 | size = self.offsets[index+1] - self.offsets[index] |
| 345 | file = self.file |
| 346 | file.seek(offset) |
| 347 | data = file.read(size) |
| 348 | assert len(data) == size |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 349 | item = self.produceItem(index, data, file, offset, size) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 350 | self.items[index] = item |
| 351 | return item |
| 352 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 353 | def produceItem(self, index, data, file, offset, size): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 354 | return data |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 355 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 356 | def append(self, item): |
| 357 | self.items.append(item) |
| 358 | |
| 359 | def getCompiler(self, strings, parent): |
| 360 | return self.compilerClass(self, strings, parent) |
| 361 | |
| 362 | |
| 363 | class GlobalSubrsIndex(Index): |
| 364 | |
| 365 | compilerClass = GlobalSubrsCompiler |
| 366 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 367 | def __init__(self, file=None, globalSubrs=None, private=None, fdSelect=None, fdArray=None): |
| 368 | Index.__init__(self, file) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 369 | self.globalSubrs = globalSubrs |
| 370 | self.private = private |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 371 | if fdSelect: |
| 372 | self.fdSelect = fdSelect |
| 373 | if fdArray: |
| 374 | self.fdArray = fdArray |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 375 | |
| 376 | def produceItem(self, index, data, file, offset, size): |
| 377 | if self.private is not None: |
| 378 | private = self.private |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 379 | elif hasattr(self, 'fdArray') and self.fdArray is not None: |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 380 | private = self.fdArray[self.fdSelect[index]].Private |
| 381 | else: |
| 382 | private = None |
jvr | 489d76a | 2003-08-24 19:56:16 +0000 | [diff] [blame] | 383 | return psCharStrings.T2CharString(data, private=private, globalSubrs=self.globalSubrs) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 384 | |
| 385 | def toXML(self, xmlWriter, progress): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 386 | xmlWriter.comment("The 'index' attribute is only for humans; it is ignored when parsed.") |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 387 | xmlWriter.newline() |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 388 | for i in range(len(self)): |
jvr | b58176e | 2002-05-24 11:55:37 +0000 | [diff] [blame] | 389 | subr = self[i] |
| 390 | if subr.needsDecompilation(): |
| 391 | xmlWriter.begintag("CharString", index=i, raw=1) |
| 392 | else: |
| 393 | xmlWriter.begintag("CharString", index=i) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 394 | xmlWriter.newline() |
jvr | b58176e | 2002-05-24 11:55:37 +0000 | [diff] [blame] | 395 | subr.toXML(xmlWriter) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 396 | xmlWriter.endtag("CharString") |
| 397 | xmlWriter.newline() |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 398 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 399 | def fromXML(self, name, attrs, content): |
Behdad Esfahbod | 180ace6 | 2013-11-27 02:40:30 -0500 | [diff] [blame] | 400 | if name != "CharString": |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 401 | return |
jvr | 489d76a | 2003-08-24 19:56:16 +0000 | [diff] [blame] | 402 | subr = psCharStrings.T2CharString() |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 403 | subr.fromXML(name, attrs, content) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 404 | self.append(subr) |
| 405 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 406 | def getItemAndSelector(self, index): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 407 | sel = None |
| 408 | if hasattr(self, 'fdSelect'): |
| 409 | sel = self.fdSelect[index] |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 410 | return self[index], sel |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 411 | |
jvr | e2ca9b5 | 2002-09-09 14:18:39 +0000 | [diff] [blame] | 412 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 413 | class SubrsIndex(GlobalSubrsIndex): |
| 414 | compilerClass = SubrsCompiler |
| 415 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 416 | |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 417 | class TopDictIndex(Index): |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 418 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 419 | compilerClass = TopDictIndexCompiler |
| 420 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 421 | def produceItem(self, index, data, file, offset, size): |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 422 | top = TopDict(self.strings, file, offset, self.GlobalSubrs) |
| 423 | top.decompile(data) |
| 424 | return top |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 425 | |
| 426 | def toXML(self, xmlWriter, progress): |
| 427 | for i in range(len(self)): |
| 428 | xmlWriter.begintag("FontDict", index=i) |
| 429 | xmlWriter.newline() |
| 430 | self[i].toXML(xmlWriter, progress) |
| 431 | xmlWriter.endtag("FontDict") |
| 432 | xmlWriter.newline() |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 433 | |
| 434 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 435 | class FDArrayIndex(TopDictIndex): |
| 436 | |
| 437 | compilerClass = FDArrayIndexCompiler |
| 438 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 439 | def fromXML(self, name, attrs, content): |
Behdad Esfahbod | 180ace6 | 2013-11-27 02:40:30 -0500 | [diff] [blame] | 440 | if name != "FontDict": |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 441 | return |
| 442 | fontDict = FontDict() |
| 443 | for element in content: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 444 | if isinstance(element, basestring): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 445 | continue |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 446 | name, attrs, content = element |
| 447 | fontDict.fromXML(name, attrs, content) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 448 | self.append(fontDict) |
| 449 | |
| 450 | |
| 451 | class FDSelect: |
| 452 | def __init__(self, file = None, numGlyphs = None, format=None): |
| 453 | if file: |
| 454 | # read data in from file |
| 455 | self.format = readCard8(file) |
| 456 | if self.format == 0: |
| 457 | from array import array |
| 458 | self.gidArray = array("B", file.read(numGlyphs)).tolist() |
| 459 | elif self.format == 3: |
| 460 | gidArray = [None] * numGlyphs |
| 461 | nRanges = readCard16(file) |
| 462 | prev = None |
| 463 | for i in range(nRanges): |
| 464 | first = readCard16(file) |
| 465 | if prev is not None: |
| 466 | for glyphID in range(prev, first): |
| 467 | gidArray[glyphID] = fd |
| 468 | prev = first |
| 469 | fd = readCard8(file) |
| 470 | if prev is not None: |
| 471 | first = readCard16(file) |
| 472 | for glyphID in range(prev, first): |
| 473 | gidArray[glyphID] = fd |
| 474 | self.gidArray = gidArray |
| 475 | else: |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 476 | assert False, "unsupported FDSelect format: %s" % format |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 477 | else: |
| 478 | # reading from XML. Make empty gidArray,, and leave format as passed in. |
Behdad Esfahbod | 9e6ef94 | 2013-12-04 16:31:44 -0500 | [diff] [blame] | 479 | # format is None will result in the smallest representation being used. |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 480 | self.format = format |
| 481 | self.gidArray = [] |
| 482 | |
| 483 | |
| 484 | def __len__(self): |
| 485 | return len(self.gidArray) |
| 486 | |
| 487 | def __getitem__(self, index): |
| 488 | return self.gidArray[index] |
| 489 | |
| 490 | def __setitem__(self, index, fdSelectValue): |
| 491 | self.gidArray[index] = fdSelectValue |
| 492 | |
| 493 | def append(self, fdSelectValue): |
| 494 | self.gidArray.append(fdSelectValue) |
| 495 | |
| 496 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 497 | class CharStrings(object): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 498 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 499 | def __init__(self, file, charset, globalSubrs, private, fdSelect, fdArray): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 500 | if file is not None: |
| 501 | self.charStringsIndex = SubrsIndex(file, globalSubrs, private, fdSelect, fdArray) |
| 502 | self.charStrings = charStrings = {} |
| 503 | for i in range(len(charset)): |
| 504 | charStrings[charset[i]] = i |
| 505 | self.charStringsAreIndexed = 1 |
| 506 | else: |
| 507 | self.charStrings = {} |
| 508 | self.charStringsAreIndexed = 0 |
| 509 | self.globalSubrs = globalSubrs |
| 510 | self.private = private |
Behdad Esfahbod | 9e6ef94 | 2013-12-04 16:31:44 -0500 | [diff] [blame] | 511 | if fdSelect is not None: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 512 | self.fdSelect = fdSelect |
Behdad Esfahbod | 9e6ef94 | 2013-12-04 16:31:44 -0500 | [diff] [blame] | 513 | if fdArray is not None: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 514 | self.fdArray = fdArray |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 515 | |
| 516 | def keys(self): |
Behdad Esfahbod | c2297cd | 2013-11-27 06:26:55 -0500 | [diff] [blame] | 517 | return list(self.charStrings.keys()) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 518 | |
jvr | 016ca76 | 2002-05-16 18:38:03 +0000 | [diff] [blame] | 519 | def values(self): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 520 | if self.charStringsAreIndexed: |
| 521 | return self.charStringsIndex |
| 522 | else: |
Behdad Esfahbod | c2297cd | 2013-11-27 06:26:55 -0500 | [diff] [blame] | 523 | return list(self.charStrings.values()) |
jvr | 016ca76 | 2002-05-16 18:38:03 +0000 | [diff] [blame] | 524 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 525 | def has_key(self, name): |
Behdad Esfahbod | bc5e1cb | 2013-11-27 02:33:03 -0500 | [diff] [blame] | 526 | return name in self.charStrings |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 527 | |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 528 | def __len__(self): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 529 | return len(self.charStrings) |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 530 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 531 | def __getitem__(self, name): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 532 | charString = self.charStrings[name] |
| 533 | if self.charStringsAreIndexed: |
| 534 | charString = self.charStringsIndex[charString] |
| 535 | return charString |
| 536 | |
| 537 | def __setitem__(self, name, charString): |
| 538 | if self.charStringsAreIndexed: |
| 539 | index = self.charStrings[name] |
| 540 | self.charStringsIndex[index] = charString |
| 541 | else: |
| 542 | self.charStrings[name] = charString |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 543 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 544 | def getItemAndSelector(self, name): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 545 | if self.charStringsAreIndexed: |
| 546 | index = self.charStrings[name] |
| 547 | return self.charStringsIndex.getItemAndSelector(index) |
| 548 | else: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 549 | if hasattr(self, 'fdSelect'): |
jvr | 91bca42 | 2012-10-18 12:49:22 +0000 | [diff] [blame] | 550 | sel = self.fdSelect[index] # index is not defined at this point. Read R. ? |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 551 | else: |
| 552 | raise KeyError("fdSelect array not yet defined.") |
| 553 | return self.charStrings[name], sel |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 554 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 555 | def toXML(self, xmlWriter, progress): |
Behdad Esfahbod | ac1b435 | 2013-11-27 04:15:34 -0500 | [diff] [blame] | 556 | names = sorted(self.keys()) |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 557 | i = 0 |
| 558 | step = 10 |
| 559 | numGlyphs = len(names) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 560 | for name in names: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 561 | charStr, fdSelectIndex = self.getItemAndSelector(name) |
jvr | b58176e | 2002-05-24 11:55:37 +0000 | [diff] [blame] | 562 | if charStr.needsDecompilation(): |
| 563 | raw = [("raw", 1)] |
| 564 | else: |
| 565 | raw = [] |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 566 | if fdSelectIndex is None: |
jvr | b58176e | 2002-05-24 11:55:37 +0000 | [diff] [blame] | 567 | xmlWriter.begintag("CharString", [('name', name)] + raw) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 568 | else: |
| 569 | xmlWriter.begintag("CharString", |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 570 | [('name', name), ('fdSelectIndex', fdSelectIndex)] + raw) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 571 | xmlWriter.newline() |
jvr | b58176e | 2002-05-24 11:55:37 +0000 | [diff] [blame] | 572 | charStr.toXML(xmlWriter) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 573 | xmlWriter.endtag("CharString") |
| 574 | xmlWriter.newline() |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 575 | if not i % step and progress is not None: |
| 576 | progress.setLabel("Dumping 'CFF ' table... (%s)" % name) |
Behdad Esfahbod | 32c10ee | 2013-11-27 17:46:17 -0500 | [diff] [blame] | 577 | progress.increment(step / numGlyphs) |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 578 | i = i + 1 |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 579 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 580 | def fromXML(self, name, attrs, content): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 581 | for element in content: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 582 | if isinstance(element, basestring): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 583 | continue |
| 584 | name, attrs, content = element |
Behdad Esfahbod | 180ace6 | 2013-11-27 02:40:30 -0500 | [diff] [blame] | 585 | if name != "CharString": |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 586 | continue |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 587 | fdID = -1 |
| 588 | if hasattr(self, "fdArray"): |
| 589 | fdID = safeEval(attrs["fdSelectIndex"]) |
| 590 | private = self.fdArray[fdID].Private |
| 591 | else: |
| 592 | private = self.private |
| 593 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 594 | glyphName = attrs["name"] |
jvr | 489d76a | 2003-08-24 19:56:16 +0000 | [diff] [blame] | 595 | charString = psCharStrings.T2CharString( |
| 596 | private=private, |
| 597 | globalSubrs=self.globalSubrs) |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 598 | charString.fromXML(name, attrs, content) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 599 | if fdID >= 0: |
| 600 | charString.fdSelectIndex = fdID |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 601 | self[glyphName] = charString |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 602 | |
| 603 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 604 | def readCard8(file): |
Behdad Esfahbod | 319c5fd | 2013-11-27 18:13:48 -0500 | [diff] [blame] | 605 | return byteord(file.read(1)) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 606 | |
| 607 | def readCard16(file): |
| 608 | value, = struct.unpack(">H", file.read(2)) |
| 609 | return value |
| 610 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 611 | def writeCard8(file, value): |
Behdad Esfahbod | b7a2d79 | 2013-11-27 15:19:40 -0500 | [diff] [blame] | 612 | file.write(bytechr(value)) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 613 | |
| 614 | def writeCard16(file, value): |
| 615 | file.write(struct.pack(">H", value)) |
| 616 | |
| 617 | def packCard8(value): |
Behdad Esfahbod | b7a2d79 | 2013-11-27 15:19:40 -0500 | [diff] [blame] | 618 | return bytechr(value) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 619 | |
| 620 | def packCard16(value): |
| 621 | return struct.pack(">H", value) |
| 622 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 623 | def buildOperatorDict(table): |
| 624 | d = {} |
| 625 | for op, name, arg, default, conv in table: |
| 626 | d[op] = (name, arg) |
| 627 | return d |
| 628 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 629 | def buildOpcodeDict(table): |
| 630 | d = {} |
| 631 | for op, name, arg, default, conv in table: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 632 | if isinstance(op, tuple): |
Behdad Esfahbod | b7a2d79 | 2013-11-27 15:19:40 -0500 | [diff] [blame] | 633 | op = bytechr(op[0]) + bytechr(op[1]) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 634 | else: |
Behdad Esfahbod | b7a2d79 | 2013-11-27 15:19:40 -0500 | [diff] [blame] | 635 | op = bytechr(op) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 636 | d[name] = (op, arg) |
| 637 | return d |
| 638 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 639 | def buildOrder(table): |
| 640 | l = [] |
| 641 | for op, name, arg, default, conv in table: |
| 642 | l.append(name) |
| 643 | return l |
| 644 | |
| 645 | def buildDefaults(table): |
| 646 | d = {} |
| 647 | for op, name, arg, default, conv in table: |
| 648 | if default is not None: |
| 649 | d[name] = default |
| 650 | return d |
| 651 | |
| 652 | def buildConverters(table): |
| 653 | d = {} |
| 654 | for op, name, arg, default, conv in table: |
| 655 | d[name] = conv |
| 656 | return d |
| 657 | |
| 658 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 659 | class SimpleConverter(object): |
jvr | 7ce02ea | 2002-05-17 20:04:05 +0000 | [diff] [blame] | 660 | def read(self, parent, value): |
| 661 | return value |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 662 | def write(self, parent, value): |
| 663 | return value |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 664 | def xmlWrite(self, xmlWriter, name, value, progress): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 665 | xmlWriter.simpletag(name, value=value) |
| 666 | xmlWriter.newline() |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 667 | def xmlRead(self, name, attrs, content, parent): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 668 | return attrs["value"] |
| 669 | |
Behdad Esfahbod | 024d153 | 2013-11-28 07:10:53 -0500 | [diff] [blame] | 670 | class ASCIIConverter(SimpleConverter): |
| 671 | def read(self, parent, value): |
| 672 | return tostr(value, encoding='ascii') |
| 673 | def write(self, parent, value): |
| 674 | return tobytes(value, encoding='ascii') |
Behdad Esfahbod | 8c5c966 | 2013-10-28 13:20:00 +0100 | [diff] [blame] | 675 | def xmlWrite(self, xmlWriter, name, value, progress): |
Behdad Esfahbod | 024d153 | 2013-11-28 07:10:53 -0500 | [diff] [blame] | 676 | xmlWriter.simpletag(name, value=tostr(value, encoding="ascii")) |
Behdad Esfahbod | 8c5c966 | 2013-10-28 13:20:00 +0100 | [diff] [blame] | 677 | xmlWriter.newline() |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 678 | def xmlRead(self, name, attrs, content, parent): |
Behdad Esfahbod | 024d153 | 2013-11-28 07:10:53 -0500 | [diff] [blame] | 679 | return tobytes(attrs["value"], encoding=("ascii")) |
| 680 | |
| 681 | class Latin1Converter(SimpleConverter): |
| 682 | def read(self, parent, value): |
| 683 | return tostr(value, encoding='latin1') |
| 684 | def write(self, parent, value): |
| 685 | return tobytes(value, encoding='latin1') |
| 686 | def xmlWrite(self, xmlWriter, name, value, progress): |
| 687 | xmlWriter.simpletag(name, value=tostr(value, encoding="latin1")) |
| 688 | xmlWriter.newline() |
| 689 | def xmlRead(self, name, attrs, content, parent): |
| 690 | return tobytes(attrs["value"], encoding=("latin1")) |
jvr | e2ca9b5 | 2002-09-09 14:18:39 +0000 | [diff] [blame] | 691 | |
| 692 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 693 | def parseNum(s): |
| 694 | try: |
| 695 | value = int(s) |
| 696 | except: |
| 697 | value = float(s) |
| 698 | return value |
| 699 | |
| 700 | class NumberConverter(SimpleConverter): |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 701 | def xmlRead(self, name, attrs, content, parent): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 702 | return parseNum(attrs["value"]) |
| 703 | |
| 704 | class ArrayConverter(SimpleConverter): |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 705 | def xmlWrite(self, xmlWriter, name, value, progress): |
Behdad Esfahbod | e5ca796 | 2013-11-27 04:38:16 -0500 | [diff] [blame] | 706 | value = " ".join(map(str, value)) |
| 707 | xmlWriter.simpletag(name, value=value) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 708 | xmlWriter.newline() |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 709 | def xmlRead(self, name, attrs, content, parent): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 710 | values = attrs["value"].split() |
Behdad Esfahbod | e5ca796 | 2013-11-27 04:38:16 -0500 | [diff] [blame] | 711 | return [parseNum(value) for value in values] |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 712 | |
| 713 | class TableConverter(SimpleConverter): |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 714 | def xmlWrite(self, xmlWriter, name, value, progress): |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 715 | xmlWriter.begintag(name) |
| 716 | xmlWriter.newline() |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 717 | value.toXML(xmlWriter, progress) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 718 | xmlWriter.endtag(name) |
| 719 | xmlWriter.newline() |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 720 | def xmlRead(self, name, attrs, content, parent): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 721 | ob = self.getClass()() |
| 722 | for element in content: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 723 | if isinstance(element, basestring): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 724 | continue |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 725 | name, attrs, content = element |
| 726 | ob.fromXML(name, attrs, content) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 727 | return ob |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 728 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 729 | class PrivateDictConverter(TableConverter): |
| 730 | def getClass(self): |
| 731 | return PrivateDict |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 732 | def read(self, parent, value): |
| 733 | size, offset = value |
| 734 | file = parent.file |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 735 | priv = PrivateDict(parent.strings, file, offset) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 736 | file.seek(offset) |
| 737 | data = file.read(size) |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 738 | assert len(data) == size |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 739 | priv.decompile(data) |
| 740 | return priv |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 741 | def write(self, parent, value): |
| 742 | return (0, 0) # dummy value |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 743 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 744 | class SubrsConverter(TableConverter): |
| 745 | def getClass(self): |
| 746 | return SubrsIndex |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 747 | def read(self, parent, value): |
| 748 | file = parent.file |
| 749 | file.seek(parent.offset + value) # Offset(self) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 750 | return SubrsIndex(file) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 751 | def write(self, parent, value): |
| 752 | return 0 # dummy value |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 753 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 754 | class CharStringsConverter(TableConverter): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 755 | def read(self, parent, value): |
| 756 | file = parent.file |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 757 | charset = parent.charset |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 758 | globalSubrs = parent.GlobalSubrs |
| 759 | if hasattr(parent, "ROS"): |
| 760 | fdSelect, fdArray = parent.FDSelect, parent.FDArray |
| 761 | private = None |
| 762 | else: |
| 763 | fdSelect, fdArray = None, None |
| 764 | private = parent.Private |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 765 | file.seek(value) # Offset(0) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 766 | return CharStrings(file, charset, globalSubrs, private, fdSelect, fdArray) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 767 | def write(self, parent, value): |
| 768 | return 0 # dummy value |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 769 | def xmlRead(self, name, attrs, content, parent): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 770 | if hasattr(parent, "ROS"): |
| 771 | # if it is a CID-keyed font, then the private Dict is extracted from the parent.FDArray |
| 772 | private, fdSelect, fdArray = None, parent.FDSelect, parent.FDArray |
| 773 | else: |
| 774 | # if it is a name-keyed font, then the private dict is in the top dict, and there is no fdArray. |
| 775 | private, fdSelect, fdArray = parent.Private, None, None |
| 776 | charStrings = CharStrings(None, None, parent.GlobalSubrs, private, fdSelect, fdArray) |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 777 | charStrings.fromXML(name, attrs, content) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 778 | return charStrings |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 779 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 780 | class CharsetConverter(object): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 781 | def read(self, parent, value): |
| 782 | isCID = hasattr(parent, "ROS") |
| 783 | if value > 2: |
| 784 | numGlyphs = parent.numGlyphs |
| 785 | file = parent.file |
| 786 | file.seek(value) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 787 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 788 | print("loading charset at %s" % value) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 789 | format = readCard8(file) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 790 | if format == 0: |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 791 | charset = parseCharset0(numGlyphs, file, parent.strings, isCID) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 792 | elif format == 1 or format == 2: |
| 793 | charset = parseCharset(numGlyphs, file, parent.strings, isCID, format) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 794 | else: |
jvr | 1890b95 | 2002-05-15 07:41:30 +0000 | [diff] [blame] | 795 | raise NotImplementedError |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 796 | assert len(charset) == numGlyphs |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 797 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 798 | print(" charset end at %s" % file.tell()) |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 799 | else: # offset == 0 -> no charset data. |
Behdad Esfahbod | bc5e1cb | 2013-11-27 02:33:03 -0500 | [diff] [blame] | 800 | if isCID or "CharStrings" not in parent.rawDict: |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 801 | assert value == 0 # We get here only when processing fontDicts from the FDArray of CFF-CID fonts. Only the real topDict references the chrset. |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 802 | charset = None |
| 803 | elif value == 0: |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 804 | charset = cffISOAdobeStrings |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 805 | elif value == 1: |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 806 | charset = cffIExpertStrings |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 807 | elif value == 2: |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 808 | charset = cffExpertSubsetStrings |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 809 | return charset |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 810 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 811 | def write(self, parent, value): |
| 812 | return 0 # dummy value |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 813 | def xmlWrite(self, xmlWriter, name, value, progress): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 814 | # XXX only write charset when not in OT/TTX context, where we |
| 815 | # dump charset as a separate "GlyphOrder" table. |
| 816 | ##xmlWriter.simpletag("charset") |
| 817 | xmlWriter.comment("charset is dumped separately as the 'GlyphOrder' element") |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 818 | xmlWriter.newline() |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 819 | def xmlRead(self, name, attrs, content, parent): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 820 | if 0: |
| 821 | return safeEval(attrs["value"]) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 822 | |
| 823 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 824 | class CharsetCompiler(object): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 825 | |
| 826 | def __init__(self, strings, charset, parent): |
| 827 | assert charset[0] == '.notdef' |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 828 | isCID = hasattr(parent.dictObj, "ROS") |
| 829 | data0 = packCharset0(charset, isCID, strings) |
| 830 | data = packCharset(charset, isCID, strings) |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 831 | if len(data) < len(data0): |
| 832 | self.data = data |
| 833 | else: |
| 834 | self.data = data0 |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 835 | self.parent = parent |
| 836 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 837 | def setPos(self, pos, endPos): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 838 | self.parent.rawDict["charset"] = pos |
| 839 | |
| 840 | def getDataLength(self): |
| 841 | return len(self.data) |
| 842 | |
| 843 | def toFile(self, file): |
| 844 | file.write(self.data) |
| 845 | |
| 846 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 847 | def getCIDfromName(name, strings): |
| 848 | return int(name[3:]) |
| 849 | |
| 850 | def getSIDfromName(name, strings): |
| 851 | return strings.getSID(name) |
| 852 | |
| 853 | def packCharset0(charset, isCID, strings): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 854 | fmt = 0 |
| 855 | data = [packCard8(fmt)] |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 856 | if isCID: |
| 857 | getNameID = getCIDfromName |
| 858 | else: |
| 859 | getNameID = getSIDfromName |
| 860 | |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 861 | for name in charset[1:]: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 862 | data.append(packCard16(getNameID(name,strings))) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 863 | return bytesjoin(data) |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 864 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 865 | |
| 866 | def packCharset(charset, isCID, strings): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 867 | fmt = 1 |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 868 | ranges = [] |
| 869 | first = None |
| 870 | end = 0 |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 871 | if isCID: |
| 872 | getNameID = getCIDfromName |
| 873 | else: |
| 874 | getNameID = getSIDfromName |
| 875 | |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 876 | for name in charset[1:]: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 877 | SID = getNameID(name, strings) |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 878 | if first is None: |
| 879 | first = SID |
Behdad Esfahbod | 180ace6 | 2013-11-27 02:40:30 -0500 | [diff] [blame] | 880 | elif end + 1 != SID: |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 881 | nLeft = end - first |
| 882 | if nLeft > 255: |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 883 | fmt = 2 |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 884 | ranges.append((first, nLeft)) |
| 885 | first = SID |
| 886 | end = SID |
| 887 | nLeft = end - first |
| 888 | if nLeft > 255: |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 889 | fmt = 2 |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 890 | ranges.append((first, nLeft)) |
| 891 | |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 892 | data = [packCard8(fmt)] |
| 893 | if fmt == 1: |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 894 | nLeftFunc = packCard8 |
| 895 | else: |
| 896 | nLeftFunc = packCard16 |
| 897 | for first, nLeft in ranges: |
| 898 | data.append(packCard16(first) + nLeftFunc(nLeft)) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 899 | return bytesjoin(data) |
jvr | 6004baf | 2002-05-24 10:35:13 +0000 | [diff] [blame] | 900 | |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 901 | def parseCharset0(numGlyphs, file, strings, isCID): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 902 | charset = [".notdef"] |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 903 | if isCID: |
| 904 | for i in range(numGlyphs - 1): |
| 905 | CID = readCard16(file) |
Behdad Esfahbod | 14fb031 | 2013-11-27 05:47:34 -0500 | [diff] [blame] | 906 | charset.append("cid" + str(CID).zfill(5)) |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 907 | else: |
| 908 | for i in range(numGlyphs - 1): |
| 909 | SID = readCard16(file) |
| 910 | charset.append(strings[SID]) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 911 | return charset |
| 912 | |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 913 | def parseCharset(numGlyphs, file, strings, isCID, fmt): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 914 | charset = ['.notdef'] |
| 915 | count = 1 |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 916 | if fmt == 1: |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 917 | nLeftFunc = readCard8 |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 918 | else: |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 919 | nLeftFunc = readCard16 |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 920 | while count < numGlyphs: |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 921 | first = readCard16(file) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 922 | nLeft = nLeftFunc(file) |
| 923 | if isCID: |
| 924 | for CID in range(first, first+nLeft+1): |
Behdad Esfahbod | 14fb031 | 2013-11-27 05:47:34 -0500 | [diff] [blame] | 925 | charset.append("cid" + str(CID).zfill(5)) |
jvr | 1890b95 | 2002-05-15 07:41:30 +0000 | [diff] [blame] | 926 | else: |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 927 | for SID in range(first, first+nLeft+1): |
| 928 | charset.append(strings[SID]) |
| 929 | count = count + nLeft + 1 |
| 930 | return charset |
| 931 | |
| 932 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 933 | class EncodingCompiler(object): |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 934 | |
| 935 | def __init__(self, strings, encoding, parent): |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 936 | assert not isinstance(encoding, basestring) |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 937 | data0 = packEncoding0(parent.dictObj.charset, encoding, parent.strings) |
| 938 | data1 = packEncoding1(parent.dictObj.charset, encoding, parent.strings) |
| 939 | if len(data0) < len(data1): |
| 940 | self.data = data0 |
| 941 | else: |
| 942 | self.data = data1 |
| 943 | self.parent = parent |
| 944 | |
| 945 | def setPos(self, pos, endPos): |
| 946 | self.parent.rawDict["Encoding"] = pos |
| 947 | |
| 948 | def getDataLength(self): |
| 949 | return len(self.data) |
| 950 | |
| 951 | def toFile(self, file): |
| 952 | file.write(self.data) |
| 953 | |
| 954 | |
| 955 | class EncodingConverter(SimpleConverter): |
| 956 | |
| 957 | def read(self, parent, value): |
| 958 | if value == 0: |
| 959 | return "StandardEncoding" |
| 960 | elif value == 1: |
| 961 | return "ExpertEncoding" |
| 962 | else: |
| 963 | assert value > 1 |
| 964 | file = parent.file |
| 965 | file.seek(value) |
| 966 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 967 | print("loading Encoding at %s" % value) |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 968 | fmt = readCard8(file) |
| 969 | haveSupplement = fmt & 0x80 |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 970 | if haveSupplement: |
Behdad Esfahbod | cd5aad9 | 2013-11-27 02:42:28 -0500 | [diff] [blame] | 971 | raise NotImplementedError("Encoding supplements are not yet supported") |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 972 | fmt = fmt & 0x7f |
| 973 | if fmt == 0: |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 974 | encoding = parseEncoding0(parent.charset, file, haveSupplement, |
| 975 | parent.strings) |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 976 | elif fmt == 1: |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 977 | encoding = parseEncoding1(parent.charset, file, haveSupplement, |
| 978 | parent.strings) |
| 979 | return encoding |
| 980 | |
| 981 | def write(self, parent, value): |
| 982 | if value == "StandardEncoding": |
| 983 | return 0 |
| 984 | elif value == "ExpertEncoding": |
| 985 | return 1 |
| 986 | return 0 # dummy value |
| 987 | |
| 988 | def xmlWrite(self, xmlWriter, name, value, progress): |
| 989 | if value in ("StandardEncoding", "ExpertEncoding"): |
| 990 | xmlWriter.simpletag(name, name=value) |
| 991 | xmlWriter.newline() |
| 992 | return |
| 993 | xmlWriter.begintag(name) |
| 994 | xmlWriter.newline() |
| 995 | for code in range(len(value)): |
| 996 | glyphName = value[code] |
| 997 | if glyphName != ".notdef": |
| 998 | xmlWriter.simpletag("map", code=hex(code), name=glyphName) |
| 999 | xmlWriter.newline() |
| 1000 | xmlWriter.endtag(name) |
| 1001 | xmlWriter.newline() |
| 1002 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 1003 | def xmlRead(self, name, attrs, content, parent): |
Behdad Esfahbod | bc5e1cb | 2013-11-27 02:33:03 -0500 | [diff] [blame] | 1004 | if "name" in attrs: |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1005 | return attrs["name"] |
| 1006 | encoding = [".notdef"] * 256 |
| 1007 | for element in content: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 1008 | if isinstance(element, basestring): |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1009 | continue |
| 1010 | name, attrs, content = element |
| 1011 | code = safeEval(attrs["code"]) |
| 1012 | glyphName = attrs["name"] |
| 1013 | encoding[code] = glyphName |
| 1014 | return encoding |
| 1015 | |
| 1016 | |
| 1017 | def parseEncoding0(charset, file, haveSupplement, strings): |
| 1018 | nCodes = readCard8(file) |
| 1019 | encoding = [".notdef"] * 256 |
| 1020 | for glyphID in range(1, nCodes + 1): |
| 1021 | code = readCard8(file) |
| 1022 | if code != 0: |
| 1023 | encoding[code] = charset[glyphID] |
| 1024 | return encoding |
| 1025 | |
| 1026 | def parseEncoding1(charset, file, haveSupplement, strings): |
| 1027 | nRanges = readCard8(file) |
| 1028 | encoding = [".notdef"] * 256 |
| 1029 | glyphID = 1 |
| 1030 | for i in range(nRanges): |
| 1031 | code = readCard8(file) |
| 1032 | nLeft = readCard8(file) |
| 1033 | for glyphID in range(glyphID, glyphID + nLeft + 1): |
| 1034 | encoding[code] = charset[glyphID] |
| 1035 | code = code + 1 |
| 1036 | glyphID = glyphID + 1 |
| 1037 | return encoding |
| 1038 | |
| 1039 | def packEncoding0(charset, encoding, strings): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1040 | fmt = 0 |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1041 | m = {} |
| 1042 | for code in range(len(encoding)): |
| 1043 | name = encoding[code] |
| 1044 | if name != ".notdef": |
| 1045 | m[name] = code |
| 1046 | codes = [] |
| 1047 | for name in charset[1:]: |
| 1048 | code = m.get(name) |
| 1049 | codes.append(code) |
| 1050 | |
| 1051 | while codes and codes[-1] is None: |
| 1052 | codes.pop() |
| 1053 | |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1054 | data = [packCard8(fmt), packCard8(len(codes))] |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1055 | for code in codes: |
| 1056 | if code is None: |
| 1057 | code = 0 |
| 1058 | data.append(packCard8(code)) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 1059 | return bytesjoin(data) |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1060 | |
| 1061 | def packEncoding1(charset, encoding, strings): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1062 | fmt = 1 |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1063 | m = {} |
| 1064 | for code in range(len(encoding)): |
| 1065 | name = encoding[code] |
| 1066 | if name != ".notdef": |
| 1067 | m[name] = code |
| 1068 | ranges = [] |
| 1069 | first = None |
| 1070 | end = 0 |
| 1071 | for name in charset[1:]: |
| 1072 | code = m.get(name, -1) |
| 1073 | if first is None: |
| 1074 | first = code |
Behdad Esfahbod | 180ace6 | 2013-11-27 02:40:30 -0500 | [diff] [blame] | 1075 | elif end + 1 != code: |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1076 | nLeft = end - first |
| 1077 | ranges.append((first, nLeft)) |
| 1078 | first = code |
| 1079 | end = code |
| 1080 | nLeft = end - first |
| 1081 | ranges.append((first, nLeft)) |
| 1082 | |
| 1083 | # remove unencoded glyphs at the end. |
| 1084 | while ranges and ranges[-1][0] == -1: |
| 1085 | ranges.pop() |
| 1086 | |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1087 | data = [packCard8(fmt), packCard8(len(ranges))] |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1088 | for first, nLeft in ranges: |
| 1089 | if first == -1: # unencoded |
| 1090 | first = 0 |
| 1091 | data.append(packCard8(first) + packCard8(nLeft)) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 1092 | return bytesjoin(data) |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1093 | |
| 1094 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1095 | class FDArrayConverter(TableConverter): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1096 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 1097 | def read(self, parent, value): |
| 1098 | file = parent.file |
| 1099 | file.seek(value) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1100 | fdArray = FDArrayIndex(file) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 1101 | fdArray.strings = parent.strings |
| 1102 | fdArray.GlobalSubrs = parent.GlobalSubrs |
| 1103 | return fdArray |
| 1104 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1105 | def write(self, parent, value): |
| 1106 | return 0 # dummy value |
| 1107 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 1108 | def xmlRead(self, name, attrs, content, parent): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1109 | fdArray = FDArrayIndex() |
| 1110 | for element in content: |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 1111 | if isinstance(element, basestring): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1112 | continue |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 1113 | name, attrs, content = element |
| 1114 | fdArray.fromXML(name, attrs, content) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1115 | return fdArray |
| 1116 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 1117 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 1118 | class FDSelectConverter(object): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1119 | |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 1120 | def read(self, parent, value): |
| 1121 | file = parent.file |
| 1122 | file.seek(value) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1123 | fdSelect = FDSelect(file, parent.numGlyphs) |
| 1124 | return fdSelect |
| 1125 | |
| 1126 | def write(self, parent, value): |
| 1127 | return 0 # dummy value |
| 1128 | |
| 1129 | # The FDSelect glyph data is written out to XML in the charstring keys, |
| 1130 | # so we write out only the format selector |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 1131 | def xmlWrite(self, xmlWriter, name, value, progress): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1132 | xmlWriter.simpletag(name, [('format', value.format)]) |
| 1133 | xmlWriter.newline() |
| 1134 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 1135 | def xmlRead(self, name, attrs, content, parent): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1136 | fmt = safeEval(attrs["format"]) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1137 | file = None |
| 1138 | numGlyphs = None |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1139 | fdSelect = FDSelect(file, numGlyphs, fmt) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1140 | return fdSelect |
| 1141 | |
| 1142 | |
| 1143 | def packFDSelect0(fdSelectArray): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1144 | fmt = 0 |
| 1145 | data = [packCard8(fmt)] |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1146 | for index in fdSelectArray: |
| 1147 | data.append(packCard8(index)) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 1148 | return bytesjoin(data) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1149 | |
| 1150 | |
| 1151 | def packFDSelect3(fdSelectArray): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1152 | fmt = 3 |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1153 | fdRanges = [] |
| 1154 | first = None |
| 1155 | end = 0 |
| 1156 | lenArray = len(fdSelectArray) |
| 1157 | lastFDIndex = -1 |
| 1158 | for i in range(lenArray): |
| 1159 | fdIndex = fdSelectArray[i] |
| 1160 | if lastFDIndex != fdIndex: |
| 1161 | fdRanges.append([i, fdIndex]) |
| 1162 | lastFDIndex = fdIndex |
| 1163 | sentinelGID = i + 1 |
| 1164 | |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1165 | data = [packCard8(fmt)] |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1166 | data.append(packCard16( len(fdRanges) )) |
| 1167 | for fdRange in fdRanges: |
| 1168 | data.append(packCard16(fdRange[0])) |
| 1169 | data.append(packCard8(fdRange[1])) |
| 1170 | data.append(packCard16(sentinelGID)) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 1171 | return bytesjoin(data) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1172 | |
| 1173 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 1174 | class FDSelectCompiler(object): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1175 | |
| 1176 | def __init__(self, fdSelect, parent): |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1177 | fmt = fdSelect.format |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1178 | fdSelectArray = fdSelect.gidArray |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1179 | if fmt == 0: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1180 | self.data = packFDSelect0(fdSelectArray) |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1181 | elif fmt == 3: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1182 | self.data = packFDSelect3(fdSelectArray) |
| 1183 | else: |
| 1184 | # choose smaller of the two formats |
| 1185 | data0 = packFDSelect0(fdSelectArray) |
| 1186 | data3 = packFDSelect3(fdSelectArray) |
| 1187 | if len(data0) < len(data3): |
| 1188 | self.data = data0 |
| 1189 | fdSelect.format = 0 |
| 1190 | else: |
| 1191 | self.data = data3 |
| 1192 | fdSelect.format = 3 |
| 1193 | |
| 1194 | self.parent = parent |
| 1195 | |
| 1196 | def setPos(self, pos, endPos): |
| 1197 | self.parent.rawDict["FDSelect"] = pos |
| 1198 | |
| 1199 | def getDataLength(self): |
| 1200 | return len(self.data) |
| 1201 | |
| 1202 | def toFile(self, file): |
| 1203 | file.write(self.data) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 1204 | |
| 1205 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1206 | class ROSConverter(SimpleConverter): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1207 | |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 1208 | def xmlWrite(self, xmlWriter, name, value, progress): |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1209 | registry, order, supplement = value |
Behdad Esfahbod | 024d153 | 2013-11-28 07:10:53 -0500 | [diff] [blame] | 1210 | xmlWriter.simpletag(name, [('Registry', tostr(registry)), ('Order', tostr(order)), |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1211 | ('Supplement', supplement)]) |
jvr | 4afb257 | 2002-05-18 20:07:01 +0000 | [diff] [blame] | 1212 | xmlWriter.newline() |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1213 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 1214 | def xmlRead(self, name, attrs, content, parent): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1215 | return (attrs['Registry'], attrs['Order'], safeEval(attrs['Supplement'])) |
| 1216 | |
| 1217 | |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1218 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1219 | topDictOperators = [ |
| 1220 | # opcode name argument type default converter |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1221 | ((12, 30), 'ROS', ('SID','SID','number'), None, ROSConverter()), |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1222 | ((12, 20), 'SyntheticBase', 'number', None, None), |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1223 | (0, 'version', 'SID', None, None), |
jvr | e2ca9b5 | 2002-09-09 14:18:39 +0000 | [diff] [blame] | 1224 | (1, 'Notice', 'SID', None, Latin1Converter()), |
| 1225 | ((12, 0), 'Copyright', 'SID', None, Latin1Converter()), |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1226 | (2, 'FullName', 'SID', None, None), |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1227 | ((12, 38), 'FontName', 'SID', None, None), |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1228 | (3, 'FamilyName', 'SID', None, None), |
| 1229 | (4, 'Weight', 'SID', None, None), |
| 1230 | ((12, 1), 'isFixedPitch', 'number', 0, None), |
| 1231 | ((12, 2), 'ItalicAngle', 'number', 0, None), |
| 1232 | ((12, 3), 'UnderlinePosition', 'number', None, None), |
| 1233 | ((12, 4), 'UnderlineThickness', 'number', 50, None), |
| 1234 | ((12, 5), 'PaintType', 'number', 0, None), |
| 1235 | ((12, 6), 'CharstringType', 'number', 2, None), |
| 1236 | ((12, 7), 'FontMatrix', 'array', [0.001,0,0,0.001,0,0], None), |
| 1237 | (13, 'UniqueID', 'number', None, None), |
| 1238 | (5, 'FontBBox', 'array', [0,0,0,0], None), |
| 1239 | ((12, 8), 'StrokeWidth', 'number', 0, None), |
| 1240 | (14, 'XUID', 'array', None, None), |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1241 | ((12, 21), 'PostScript', 'SID', None, None), |
| 1242 | ((12, 22), 'BaseFontName', 'SID', None, None), |
| 1243 | ((12, 23), 'BaseFontBlend', 'delta', None, None), |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1244 | ((12, 31), 'CIDFontVersion', 'number', 0, None), |
| 1245 | ((12, 32), 'CIDFontRevision', 'number', 0, None), |
| 1246 | ((12, 33), 'CIDFontType', 'number', 0, None), |
| 1247 | ((12, 34), 'CIDCount', 'number', 8720, None), |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1248 | (15, 'charset', 'number', 0, CharsetConverter()), |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1249 | ((12, 35), 'UIDBase', 'number', None, None), |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1250 | (16, 'Encoding', 'number', 0, EncodingConverter()), |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1251 | (18, 'Private', ('number','number'), None, PrivateDictConverter()), |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1252 | ((12, 37), 'FDSelect', 'number', None, FDSelectConverter()), |
| 1253 | ((12, 36), 'FDArray', 'number', None, FDArrayConverter()), |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1254 | (17, 'CharStrings', 'number', None, CharStringsConverter()), |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1255 | ] |
| 1256 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1257 | # Note! FDSelect and FDArray must both preceed CharStrings in the output XML build order, |
| 1258 | # in order for the font to compile back from xml. |
| 1259 | |
| 1260 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1261 | privateDictOperators = [ |
| 1262 | # opcode name argument type default converter |
| 1263 | (6, 'BlueValues', 'delta', None, None), |
| 1264 | (7, 'OtherBlues', 'delta', None, None), |
| 1265 | (8, 'FamilyBlues', 'delta', None, None), |
| 1266 | (9, 'FamilyOtherBlues', 'delta', None, None), |
| 1267 | ((12, 9), 'BlueScale', 'number', 0.039625, None), |
| 1268 | ((12, 10), 'BlueShift', 'number', 7, None), |
| 1269 | ((12, 11), 'BlueFuzz', 'number', 1, None), |
| 1270 | (10, 'StdHW', 'number', None, None), |
| 1271 | (11, 'StdVW', 'number', None, None), |
| 1272 | ((12, 12), 'StemSnapH', 'delta', None, None), |
| 1273 | ((12, 13), 'StemSnapV', 'delta', None, None), |
| 1274 | ((12, 14), 'ForceBold', 'number', 0, None), |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1275 | ((12, 15), 'ForceBoldThreshold', 'number', None, None), # deprecated |
| 1276 | ((12, 16), 'lenIV', 'number', None, None), # deprecated |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1277 | ((12, 17), 'LanguageGroup', 'number', 0, None), |
| 1278 | ((12, 18), 'ExpansionFactor', 'number', 0.06, None), |
| 1279 | ((12, 19), 'initialRandomSeed', 'number', 0, None), |
| 1280 | (20, 'defaultWidthX', 'number', 0, None), |
| 1281 | (21, 'nominalWidthX', 'number', 0, None), |
| 1282 | (19, 'Subrs', 'number', None, SubrsConverter()), |
| 1283 | ] |
| 1284 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1285 | def addConverters(table): |
| 1286 | for i in range(len(table)): |
| 1287 | op, name, arg, default, conv = table[i] |
| 1288 | if conv is not None: |
| 1289 | continue |
| 1290 | if arg in ("delta", "array"): |
| 1291 | conv = ArrayConverter() |
| 1292 | elif arg == "number": |
| 1293 | conv = NumberConverter() |
| 1294 | elif arg == "SID": |
Behdad Esfahbod | 024d153 | 2013-11-28 07:10:53 -0500 | [diff] [blame] | 1295 | conv = ASCIIConverter() |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1296 | else: |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1297 | assert False |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1298 | table[i] = op, name, arg, default, conv |
| 1299 | |
| 1300 | addConverters(privateDictOperators) |
| 1301 | addConverters(topDictOperators) |
| 1302 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1303 | |
| 1304 | class TopDictDecompiler(psCharStrings.DictDecompiler): |
| 1305 | operators = buildOperatorDict(topDictOperators) |
| 1306 | |
| 1307 | |
| 1308 | class PrivateDictDecompiler(psCharStrings.DictDecompiler): |
| 1309 | operators = buildOperatorDict(privateDictOperators) |
| 1310 | |
| 1311 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 1312 | class DictCompiler(object): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1313 | |
| 1314 | def __init__(self, dictObj, strings, parent): |
| 1315 | assert isinstance(strings, IndexedStrings) |
| 1316 | self.dictObj = dictObj |
| 1317 | self.strings = strings |
| 1318 | self.parent = parent |
| 1319 | rawDict = {} |
| 1320 | for name in dictObj.order: |
| 1321 | value = getattr(dictObj, name, None) |
| 1322 | if value is None: |
| 1323 | continue |
| 1324 | conv = dictObj.converters[name] |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1325 | value = conv.write(dictObj, value) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1326 | if value == dictObj.defaults.get(name): |
| 1327 | continue |
| 1328 | rawDict[name] = value |
| 1329 | self.rawDict = rawDict |
| 1330 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1331 | def setPos(self, pos, endPos): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1332 | pass |
| 1333 | |
| 1334 | def getDataLength(self): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1335 | return len(self.compile("getDataLength")) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1336 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1337 | def compile(self, reason): |
| 1338 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 1339 | print("-- compiling %s for %s" % (self.__class__.__name__, reason)) |
| 1340 | print("in baseDict: ", self) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1341 | rawDict = self.rawDict |
| 1342 | data = [] |
| 1343 | for name in self.dictObj.order: |
| 1344 | value = rawDict.get(name) |
| 1345 | if value is None: |
| 1346 | continue |
| 1347 | op, argType = self.opcodes[name] |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 1348 | if isinstance(argType, tuple): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1349 | l = len(argType) |
| 1350 | assert len(value) == l, "value doesn't match arg type" |
| 1351 | for i in range(l): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1352 | arg = argType[i] |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1353 | v = value[i] |
| 1354 | arghandler = getattr(self, "arg_" + arg) |
| 1355 | data.append(arghandler(v)) |
| 1356 | else: |
| 1357 | arghandler = getattr(self, "arg_" + argType) |
| 1358 | data.append(arghandler(value)) |
| 1359 | data.append(op) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 1360 | return bytesjoin(data) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1361 | |
| 1362 | def toFile(self, file): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1363 | file.write(self.compile("toFile")) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1364 | |
| 1365 | def arg_number(self, num): |
| 1366 | return encodeNumber(num) |
| 1367 | def arg_SID(self, s): |
| 1368 | return psCharStrings.encodeIntCFF(self.strings.getSID(s)) |
| 1369 | def arg_array(self, value): |
| 1370 | data = [] |
| 1371 | for num in value: |
| 1372 | data.append(encodeNumber(num)) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 1373 | return bytesjoin(data) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1374 | def arg_delta(self, value): |
| 1375 | out = [] |
| 1376 | last = 0 |
| 1377 | for v in value: |
| 1378 | out.append(v - last) |
| 1379 | last = v |
| 1380 | data = [] |
| 1381 | for num in out: |
| 1382 | data.append(encodeNumber(num)) |
Behdad Esfahbod | 18316aa | 2013-11-27 21:17:35 -0500 | [diff] [blame] | 1383 | return bytesjoin(data) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1384 | |
| 1385 | |
| 1386 | def encodeNumber(num): |
jvr | f6ff48b | 2008-03-07 19:49:25 +0000 | [diff] [blame] | 1387 | if isinstance(num, float): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1388 | return psCharStrings.encodeFloat(num) |
| 1389 | else: |
| 1390 | return psCharStrings.encodeIntCFF(num) |
| 1391 | |
| 1392 | |
| 1393 | class TopDictCompiler(DictCompiler): |
| 1394 | |
| 1395 | opcodes = buildOpcodeDict(topDictOperators) |
| 1396 | |
| 1397 | def getChildren(self, strings): |
| 1398 | children = [] |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1399 | if hasattr(self.dictObj, "charset") and self.dictObj.charset: |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1400 | children.append(CharsetCompiler(strings, self.dictObj.charset, self)) |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1401 | if hasattr(self.dictObj, "Encoding"): |
| 1402 | encoding = self.dictObj.Encoding |
jvr | 2a9bcde | 2008-03-07 19:56:17 +0000 | [diff] [blame] | 1403 | if not isinstance(encoding, basestring): |
jvr | b9702ba | 2003-01-03 20:56:01 +0000 | [diff] [blame] | 1404 | children.append(EncodingCompiler(strings, encoding, self)) |
jvr | ce52241 | 2003-08-25 07:37:25 +0000 | [diff] [blame] | 1405 | if hasattr(self.dictObj, "FDSelect"): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1406 | # I have not yet supported merging a ttx CFF-CID font, as there are interesting |
| 1407 | # issues about merging the FDArrays. Here I assume that |
| 1408 | # either the font was read from XML, and teh FDSelect indices are all |
| 1409 | # in the charstring data, or the FDSelect array is already fully defined. |
| 1410 | fdSelect = self.dictObj.FDSelect |
| 1411 | if len(fdSelect) == 0: # probably read in from XML; assume fdIndex in CharString data |
| 1412 | charStrings = self.dictObj.CharStrings |
| 1413 | for name in self.dictObj.charset: |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1414 | fdSelect.append(charStrings[name].fdSelectIndex) |
| 1415 | fdSelectComp = FDSelectCompiler(fdSelect, self) |
| 1416 | children.append(fdSelectComp) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1417 | if hasattr(self.dictObj, "CharStrings"): |
| 1418 | items = [] |
| 1419 | charStrings = self.dictObj.CharStrings |
| 1420 | for name in self.dictObj.charset: |
| 1421 | items.append(charStrings[name]) |
| 1422 | charStringsComp = CharStringsCompiler(items, strings, self) |
| 1423 | children.append(charStringsComp) |
jvr | ce52241 | 2003-08-25 07:37:25 +0000 | [diff] [blame] | 1424 | if hasattr(self.dictObj, "FDArray"): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1425 | # I have not yet supported merging a ttx CFF-CID font, as there are interesting |
| 1426 | # issues about merging the FDArrays. Here I assume that the FDArray info is correct |
| 1427 | # and complete. |
| 1428 | fdArrayIndexComp = self.dictObj.FDArray.getCompiler(strings, self) |
| 1429 | children.append(fdArrayIndexComp) |
| 1430 | children.extend(fdArrayIndexComp.getChildren(strings)) |
| 1431 | if hasattr(self.dictObj, "Private"): |
| 1432 | privComp = self.dictObj.Private.getCompiler(strings, self) |
| 1433 | children.append(privComp) |
| 1434 | children.extend(privComp.getChildren(strings)) |
| 1435 | return children |
| 1436 | |
| 1437 | |
| 1438 | class FontDictCompiler(DictCompiler): |
| 1439 | |
| 1440 | opcodes = buildOpcodeDict(topDictOperators) |
| 1441 | |
| 1442 | def getChildren(self, strings): |
| 1443 | children = [] |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1444 | if hasattr(self.dictObj, "Private"): |
| 1445 | privComp = self.dictObj.Private.getCompiler(strings, self) |
| 1446 | children.append(privComp) |
| 1447 | children.extend(privComp.getChildren(strings)) |
| 1448 | return children |
| 1449 | |
| 1450 | |
| 1451 | class PrivateDictCompiler(DictCompiler): |
| 1452 | |
| 1453 | opcodes = buildOpcodeDict(privateDictOperators) |
| 1454 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1455 | def setPos(self, pos, endPos): |
| 1456 | size = endPos - pos |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1457 | self.parent.rawDict["Private"] = size, pos |
| 1458 | self.pos = pos |
| 1459 | |
| 1460 | def getChildren(self, strings): |
| 1461 | children = [] |
| 1462 | if hasattr(self.dictObj, "Subrs"): |
| 1463 | children.append(self.dictObj.Subrs.getCompiler(strings, self)) |
| 1464 | return children |
| 1465 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1466 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 1467 | class BaseDict(object): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1468 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1469 | def __init__(self, strings=None, file=None, offset=None): |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1470 | self.rawDict = {} |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 1471 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 1472 | print("loading %s at %s" % (self.__class__.__name__, offset)) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1473 | self.file = file |
| 1474 | self.offset = offset |
| 1475 | self.strings = strings |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1476 | self.skipNames = [] |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1477 | |
| 1478 | def decompile(self, data): |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1479 | if DEBUG: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 1480 | print(" length %s is %s" % (self.__class__.__name__, len(data))) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1481 | dec = self.decompilerClass(self.strings) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1482 | dec.decompile(data) |
| 1483 | self.rawDict = dec.getDict() |
| 1484 | self.postDecompile() |
| 1485 | |
| 1486 | def postDecompile(self): |
| 1487 | pass |
| 1488 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1489 | def getCompiler(self, strings, parent): |
| 1490 | return self.compilerClass(self, strings, parent) |
| 1491 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1492 | def __getattr__(self, name): |
| 1493 | value = self.rawDict.get(name) |
| 1494 | if value is None: |
| 1495 | value = self.defaults.get(name) |
| 1496 | if value is None: |
Behdad Esfahbod | cd5aad9 | 2013-11-27 02:42:28 -0500 | [diff] [blame] | 1497 | raise AttributeError(name) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1498 | conv = self.converters[name] |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1499 | value = conv.read(self, value) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1500 | setattr(self, name, value) |
| 1501 | return value |
| 1502 | |
| 1503 | def toXML(self, xmlWriter, progress): |
| 1504 | for name in self.order: |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1505 | if name in self.skipNames: |
| 1506 | continue |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1507 | value = getattr(self, name, None) |
| 1508 | if value is None: |
| 1509 | continue |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1510 | conv = self.converters[name] |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 1511 | conv.xmlWrite(xmlWriter, name, value, progress) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1512 | |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 1513 | def fromXML(self, name, attrs, content): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1514 | conv = self.converters[name] |
Behdad Esfahbod | 3a9fd30 | 2013-11-27 03:19:32 -0500 | [diff] [blame] | 1515 | value = conv.xmlRead(name, attrs, content, self) |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1516 | setattr(self, name, value) |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1517 | |
| 1518 | |
| 1519 | class TopDict(BaseDict): |
| 1520 | |
| 1521 | defaults = buildDefaults(topDictOperators) |
| 1522 | converters = buildConverters(topDictOperators) |
| 1523 | order = buildOrder(topDictOperators) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1524 | decompilerClass = TopDictDecompiler |
| 1525 | compilerClass = TopDictCompiler |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 1526 | |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1527 | def __init__(self, strings=None, file=None, offset=None, GlobalSubrs=None): |
jvr | 016ca76 | 2002-05-16 18:38:03 +0000 | [diff] [blame] | 1528 | BaseDict.__init__(self, strings, file, offset) |
| 1529 | self.GlobalSubrs = GlobalSubrs |
| 1530 | |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 1531 | def getGlyphOrder(self): |
| 1532 | return self.charset |
| 1533 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1534 | def postDecompile(self): |
| 1535 | offset = self.rawDict.get("CharStrings") |
| 1536 | if offset is None: |
| 1537 | return |
| 1538 | # get the number of glyphs beforehand. |
| 1539 | self.file.seek(offset) |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 1540 | self.numGlyphs = readCard16(self.file) |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 1541 | |
jvr | 016ca76 | 2002-05-16 18:38:03 +0000 | [diff] [blame] | 1542 | def toXML(self, xmlWriter, progress): |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1543 | if hasattr(self, "CharStrings"): |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 1544 | self.decompileAllCharStrings(progress) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1545 | if hasattr(self, "ROS"): |
| 1546 | self.skipNames = ['Encoding'] |
jvr | 155aa75 | 2002-05-17 19:58:49 +0000 | [diff] [blame] | 1547 | if not hasattr(self, "ROS") or not hasattr(self, "CharStrings"): |
| 1548 | # these values have default values, but I only want them to show up |
| 1549 | # in CID fonts. |
| 1550 | self.skipNames = ['CIDFontVersion', 'CIDFontRevision', 'CIDFontType', |
| 1551 | 'CIDCount'] |
jvr | 016ca76 | 2002-05-16 18:38:03 +0000 | [diff] [blame] | 1552 | BaseDict.toXML(self, xmlWriter, progress) |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 1553 | |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 1554 | def decompileAllCharStrings(self, progress): |
jvr | 4e5af60 | 2002-05-24 09:58:04 +0000 | [diff] [blame] | 1555 | # XXX only when doing ttdump -i? |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 1556 | i = 0 |
jvr | a2ad544 | 2002-05-17 18:36:07 +0000 | [diff] [blame] | 1557 | for charString in self.CharStrings.values(): |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1558 | try: |
| 1559 | charString.decompile() |
| 1560 | except: |
Behdad Esfahbod | 3ec6a25 | 2013-11-27 04:57:33 -0500 | [diff] [blame] | 1561 | print("Error in charstring ", i) |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1562 | import sys |
Behdad Esfahbod | 153ec40 | 2013-12-04 01:15:46 -0500 | [diff] [blame] | 1563 | typ, value = sys.exc_info()[0:2] |
| 1564 | raise typ(value) |
jvr | 7ce0a13 | 2002-07-23 16:42:11 +0000 | [diff] [blame] | 1565 | if not i % 30 and progress: |
| 1566 | progress.increment(0) # update |
| 1567 | i = i + 1 |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 1568 | |
| 1569 | |
jvr | ed10151 | 2003-08-22 19:53:32 +0000 | [diff] [blame] | 1570 | class FontDict(BaseDict): |
| 1571 | |
| 1572 | defaults = buildDefaults(topDictOperators) |
| 1573 | converters = buildConverters(topDictOperators) |
| 1574 | order = buildOrder(topDictOperators) |
| 1575 | decompilerClass = None |
| 1576 | compilerClass = FontDictCompiler |
| 1577 | |
| 1578 | def __init__(self, strings=None, file=None, offset=None, GlobalSubrs=None): |
| 1579 | BaseDict.__init__(self, strings, file, offset) |
| 1580 | self.GlobalSubrs = GlobalSubrs |
| 1581 | |
| 1582 | def getGlyphOrder(self): |
| 1583 | return self.charset |
| 1584 | |
| 1585 | def toXML(self, xmlWriter, progress): |
| 1586 | self.skipNames = ['Encoding'] |
| 1587 | BaseDict.toXML(self, xmlWriter, progress) |
| 1588 | |
| 1589 | |
| 1590 | |
jvr | 4756b3a | 2002-05-16 18:17:32 +0000 | [diff] [blame] | 1591 | class PrivateDict(BaseDict): |
| 1592 | defaults = buildDefaults(privateDictOperators) |
| 1593 | converters = buildConverters(privateDictOperators) |
| 1594 | order = buildOrder(privateDictOperators) |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1595 | decompilerClass = PrivateDictDecompiler |
| 1596 | compilerClass = PrivateDictCompiler |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 1597 | |
| 1598 | |
Behdad Esfahbod | e388db5 | 2013-11-28 14:26:58 -0500 | [diff] [blame] | 1599 | class IndexedStrings(object): |
jvr | e327558 | 2002-05-14 12:22:03 +0000 | [diff] [blame] | 1600 | |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 1601 | """SID -> string mapping.""" |
| 1602 | |
| 1603 | def __init__(self, file=None): |
| 1604 | if file is None: |
jvr | e327558 | 2002-05-14 12:22:03 +0000 | [diff] [blame] | 1605 | strings = [] |
jvr | 767102e | 2002-05-17 07:06:32 +0000 | [diff] [blame] | 1606 | else: |
Behdad Esfahbod | 617ec41 | 2013-12-10 18:54:26 -0500 | [diff] [blame] | 1607 | strings = [tostr(s, encoding="latin1") for s in Index(file)] |
jvr | e327558 | 2002-05-14 12:22:03 +0000 | [diff] [blame] | 1608 | self.strings = strings |
| 1609 | |
jvr | f2cf9c5 | 2002-05-23 21:50:36 +0000 | [diff] [blame] | 1610 | def getCompiler(self): |
| 1611 | return IndexedStringsCompiler(self, None, None) |
| 1612 | |
| 1613 | def __len__(self): |
| 1614 | return len(self.strings) |
| 1615 | |
jvr | e327558 | 2002-05-14 12:22:03 +0000 | [diff] [blame] | 1616 | def __getitem__(self, SID): |
| 1617 | if SID < cffStandardStringCount: |
| 1618 | return cffStandardStrings[SID] |
| 1619 | else: |
| 1620 | return self.strings[SID - cffStandardStringCount] |
| 1621 | |
| 1622 | def getSID(self, s): |
| 1623 | if not hasattr(self, "stringMapping"): |
| 1624 | self.buildStringMapping() |
Behdad Esfahbod | bc5e1cb | 2013-11-27 02:33:03 -0500 | [diff] [blame] | 1625 | if s in cffStandardStringMapping: |
jvr | e327558 | 2002-05-14 12:22:03 +0000 | [diff] [blame] | 1626 | SID = cffStandardStringMapping[s] |
Behdad Esfahbod | bc5e1cb | 2013-11-27 02:33:03 -0500 | [diff] [blame] | 1627 | elif s in self.stringMapping: |
jvr | e327558 | 2002-05-14 12:22:03 +0000 | [diff] [blame] | 1628 | SID = self.stringMapping[s] |
| 1629 | else: |
| 1630 | SID = len(self.strings) + cffStandardStringCount |
| 1631 | self.strings.append(s) |
| 1632 | self.stringMapping[s] = SID |
| 1633 | return SID |
| 1634 | |
| 1635 | def getStrings(self): |
| 1636 | return self.strings |
| 1637 | |
| 1638 | def buildStringMapping(self): |
| 1639 | self.stringMapping = {} |
| 1640 | for index in range(len(self.strings)): |
| 1641 | self.stringMapping[self.strings[index]] = index + cffStandardStringCount |
| 1642 | |
| 1643 | |
Just | 7842e56 | 1999-12-16 21:34:53 +0000 | [diff] [blame] | 1644 | # The 391 Standard Strings as used in the CFF format. |
| 1645 | # from Adobe Technical None #5176, version 1.0, 18 March 1998 |
| 1646 | |
| 1647 | cffStandardStrings = ['.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', |
| 1648 | 'dollar', 'percent', 'ampersand', 'quoteright', 'parenleft', 'parenright', |
| 1649 | 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', |
| 1650 | 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', |
| 1651 | 'semicolon', 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', |
| 1652 | 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', |
| 1653 | 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', |
| 1654 | 'bracketright', 'asciicircum', 'underscore', 'quoteleft', 'a', 'b', 'c', |
| 1655 | 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', |
| 1656 | 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', |
| 1657 | 'asciitilde', 'exclamdown', 'cent', 'sterling', 'fraction', 'yen', 'florin', |
| 1658 | 'section', 'currency', 'quotesingle', 'quotedblleft', 'guillemotleft', |
| 1659 | 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', |
| 1660 | 'daggerdbl', 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase', |
| 1661 | 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', 'perthousand', |
| 1662 | 'questiondown', 'grave', 'acute', 'circumflex', 'tilde', 'macron', 'breve', |
| 1663 | 'dotaccent', 'dieresis', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', |
| 1664 | 'emdash', 'AE', 'ordfeminine', 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', |
| 1665 | 'dotlessi', 'lslash', 'oslash', 'oe', 'germandbls', 'onesuperior', |
| 1666 | 'logicalnot', 'mu', 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', |
| 1667 | 'onequarter', 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', |
| 1668 | 'twosuperior', 'registered', 'minus', 'eth', 'multiply', 'threesuperior', |
| 1669 | 'copyright', 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', |
| 1670 | 'Atilde', 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', |
| 1671 | 'Iacute', 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', |
| 1672 | 'Ocircumflex', 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', |
| 1673 | 'Ucircumflex', 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', |
| 1674 | 'aacute', 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla', |
| 1675 | 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex', |
| 1676 | 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', 'odieresis', |
| 1677 | 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis', 'ugrave', |
| 1678 | 'yacute', 'ydieresis', 'zcaron', 'exclamsmall', 'Hungarumlautsmall', |
| 1679 | 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', 'Acutesmall', |
| 1680 | 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', 'onedotenleader', |
| 1681 | 'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle', |
| 1682 | 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', |
| 1683 | 'nineoldstyle', 'commasuperior', 'threequartersemdash', 'periodsuperior', |
| 1684 | 'questionsmall', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior', |
| 1685 | 'esuperior', 'isuperior', 'lsuperior', 'msuperior', 'nsuperior', 'osuperior', |
| 1686 | 'rsuperior', 'ssuperior', 'tsuperior', 'ff', 'ffi', 'ffl', 'parenleftinferior', |
| 1687 | 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', |
| 1688 | 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', |
| 1689 | 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', |
| 1690 | 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', 'Xsmall', |
| 1691 | 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', 'Tildesmall', |
| 1692 | 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', 'Scaronsmall', 'Zcaronsmall', |
| 1693 | 'Dieresissmall', 'Brevesmall', 'Caronsmall', 'Dotaccentsmall', 'Macronsmall', |
| 1694 | 'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall', 'Cedillasmall', |
| 1695 | 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', 'seveneighths', |
| 1696 | 'onethird', 'twothirds', 'zerosuperior', 'foursuperior', 'fivesuperior', |
| 1697 | 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', 'zeroinferior', |
| 1698 | 'oneinferior', 'twoinferior', 'threeinferior', 'fourinferior', 'fiveinferior', |
| 1699 | 'sixinferior', 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior', |
| 1700 | 'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall', |
| 1701 | 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall', |
| 1702 | 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall', |
| 1703 | 'Edieresissmall', 'Igravesmall', 'Iacutesmall', 'Icircumflexsmall', |
| 1704 | 'Idieresissmall', 'Ethsmall', 'Ntildesmall', 'Ogravesmall', 'Oacutesmall', |
| 1705 | 'Ocircumflexsmall', 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall', |
| 1706 | 'Ugravesmall', 'Uacutesmall', 'Ucircumflexsmall', 'Udieresissmall', |
| 1707 | 'Yacutesmall', 'Thornsmall', 'Ydieresissmall', '001.000', '001.001', '001.002', |
| 1708 | '001.003', 'Black', 'Bold', 'Book', 'Light', 'Medium', 'Regular', 'Roman', |
| 1709 | 'Semibold' |
| 1710 | ] |
| 1711 | |
| 1712 | cffStandardStringCount = 391 |
| 1713 | assert len(cffStandardStrings) == cffStandardStringCount |
| 1714 | # build reverse mapping |
| 1715 | cffStandardStringMapping = {} |
| 1716 | for _i in range(cffStandardStringCount): |
| 1717 | cffStandardStringMapping[cffStandardStrings[_i]] = _i |
jvr | c60a44f | 2006-10-21 13:41:18 +0000 | [diff] [blame] | 1718 | |
| 1719 | cffISOAdobeStrings = [".notdef", "space", "exclam", "quotedbl", "numbersign", |
| 1720 | "dollar", "percent", "ampersand", "quoteright", "parenleft", "parenright", |
| 1721 | "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", |
| 1722 | "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", |
| 1723 | "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", |
| 1724 | "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", |
| 1725 | "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", |
| 1726 | "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", |
| 1727 | "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", |
| 1728 | "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent", |
| 1729 | "sterling", "fraction", "yen", "florin", "section", "currency", "quotesingle", |
| 1730 | "quotedblleft", "guillemotleft", "guilsinglleft", "guilsinglright", "fi", "fl", |
| 1731 | "endash", "dagger", "daggerdbl", "periodcentered", "paragraph", "bullet", |
| 1732 | "quotesinglbase", "quotedblbase", "quotedblright", "guillemotright", "ellipsis", |
| 1733 | "perthousand", "questiondown", "grave", "acute", "circumflex", "tilde", |
| 1734 | "macron", "breve", "dotaccent", "dieresis", "ring", "cedilla", "hungarumlaut", |
| 1735 | "ogonek", "caron", "emdash", "AE", "ordfeminine", "Lslash", "Oslash", "OE", |
| 1736 | "ordmasculine", "ae", "dotlessi", "lslash", "oslash", "oe", "germandbls", |
| 1737 | "onesuperior", "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", |
| 1738 | "Thorn", "onequarter", "divide", "brokenbar", "degree", "thorn", |
| 1739 | "threequarters", "twosuperior", "registered", "minus", "eth", "multiply", |
| 1740 | "threesuperior", "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", |
| 1741 | "Aring", "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave", |
| 1742 | "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute", |
| 1743 | "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute", |
| 1744 | "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron", "aacute", |
| 1745 | "acircumflex", "adieresis", "agrave", "aring", "atilde", "ccedilla", "eacute", |
| 1746 | "ecircumflex", "edieresis", "egrave", "iacute", "icircumflex", "idieresis", |
| 1747 | "igrave", "ntilde", "oacute", "ocircumflex", "odieresis", "ograve", "otilde", |
| 1748 | "scaron", "uacute", "ucircumflex", "udieresis", "ugrave", "yacute", "ydieresis", |
| 1749 | "zcaron"] |
| 1750 | |
| 1751 | cffISOAdobeStringCount = 229 |
| 1752 | assert len(cffISOAdobeStrings) == cffISOAdobeStringCount |
| 1753 | |
| 1754 | cffIExpertStrings = [".notdef", "space", "exclamsmall", "Hungarumlautsmall", |
| 1755 | "dollaroldstyle", "dollarsuperior", "ampersandsmall", "Acutesmall", |
| 1756 | "parenleftsuperior", "parenrightsuperior", "twodotenleader", "onedotenleader", |
| 1757 | "comma", "hyphen", "period", "fraction", "zerooldstyle", "oneoldstyle", |
| 1758 | "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle", |
| 1759 | "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", "semicolon", |
| 1760 | "commasuperior", "threequartersemdash", "periodsuperior", "questionsmall", |
| 1761 | "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", |
| 1762 | "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", |
| 1763 | "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", |
| 1764 | "parenrightinferior", "Circumflexsmall", "hyphensuperior", "Gravesmall", |
| 1765 | "Asmall", "Bsmall", "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", |
| 1766 | "Ismall", "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall", |
| 1767 | "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall", "Xsmall", |
| 1768 | "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah", "Tildesmall", |
| 1769 | "exclamdownsmall", "centoldstyle", "Lslashsmall", "Scaronsmall", "Zcaronsmall", |
| 1770 | "Dieresissmall", "Brevesmall", "Caronsmall", "Dotaccentsmall", "Macronsmall", |
| 1771 | "figuredash", "hypheninferior", "Ogoneksmall", "Ringsmall", "Cedillasmall", |
| 1772 | "onequarter", "onehalf", "threequarters", "questiondownsmall", "oneeighth", |
| 1773 | "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds", |
| 1774 | "zerosuperior", "onesuperior", "twosuperior", "threesuperior", "foursuperior", |
| 1775 | "fivesuperior", "sixsuperior", "sevensuperior", "eightsuperior", "ninesuperior", |
| 1776 | "zeroinferior", "oneinferior", "twoinferior", "threeinferior", "fourinferior", |
| 1777 | "fiveinferior", "sixinferior", "seveninferior", "eightinferior", "nineinferior", |
| 1778 | "centinferior", "dollarinferior", "periodinferior", "commainferior", |
| 1779 | "Agravesmall", "Aacutesmall", "Acircumflexsmall", "Atildesmall", |
| 1780 | "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall", "Egravesmall", |
| 1781 | "Eacutesmall", "Ecircumflexsmall", "Edieresissmall", "Igravesmall", |
| 1782 | "Iacutesmall", "Icircumflexsmall", "Idieresissmall", "Ethsmall", "Ntildesmall", |
| 1783 | "Ogravesmall", "Oacutesmall", "Ocircumflexsmall", "Otildesmall", |
| 1784 | "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall", "Uacutesmall", |
| 1785 | "Ucircumflexsmall", "Udieresissmall", "Yacutesmall", "Thornsmall", |
| 1786 | "Ydieresissmall"] |
| 1787 | |
| 1788 | cffExpertStringCount = 166 |
| 1789 | assert len(cffIExpertStrings) == cffExpertStringCount |
| 1790 | |
| 1791 | cffExpertSubsetStrings = [".notdef", "space", "dollaroldstyle", |
| 1792 | "dollarsuperior", "parenleftsuperior", "parenrightsuperior", "twodotenleader", |
| 1793 | "onedotenleader", "comma", "hyphen", "period", "fraction", "zerooldstyle", |
| 1794 | "oneoldstyle", "twooldstyle", "threeoldstyle", "fouroldstyle", "fiveoldstyle", |
| 1795 | "sixoldstyle", "sevenoldstyle", "eightoldstyle", "nineoldstyle", "colon", |
| 1796 | "semicolon", "commasuperior", "threequartersemdash", "periodsuperior", |
| 1797 | "asuperior", "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior", |
| 1798 | "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior", |
| 1799 | "tsuperior", "ff", "fi", "fl", "ffi", "ffl", "parenleftinferior", |
| 1800 | "parenrightinferior", "hyphensuperior", "colonmonetary", "onefitted", "rupiah", |
| 1801 | "centoldstyle", "figuredash", "hypheninferior", "onequarter", "onehalf", |
| 1802 | "threequarters", "oneeighth", "threeeighths", "fiveeighths", "seveneighths", |
| 1803 | "onethird", "twothirds", "zerosuperior", "onesuperior", "twosuperior", |
| 1804 | "threesuperior", "foursuperior", "fivesuperior", "sixsuperior", "sevensuperior", |
| 1805 | "eightsuperior", "ninesuperior", "zeroinferior", "oneinferior", "twoinferior", |
| 1806 | "threeinferior", "fourinferior", "fiveinferior", "sixinferior", "seveninferior", |
| 1807 | "eightinferior", "nineinferior", "centinferior", "dollarinferior", |
| 1808 | "periodinferior", "commainferior"] |
| 1809 | |
| 1810 | cffExpertSubsetStringCount = 87 |
| 1811 | assert len(cffExpertSubsetStrings) == cffExpertSubsetStringCount |