1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "font_int.h" 8 9 #include "core/include/fpdfapi/fpdf_module.h" 10 #include "core/include/fpdfapi/fpdf_page.h" 11 #include "core/include/fpdfapi/fpdf_resource.h" 12 #include "core/include/fxcrt/fx_ext.h" 13 #include "core/include/fxge/fx_freetype.h" 14 #include "core/include/fxge/fx_ge.h" 15 #include "core/src/fpdfapi/fpdf_cmaps/cmap_int.h" 16 17 namespace { 18 19 const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = 20 {nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"}; 21 22 const int g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200}; 23 24 class CPDF_PredefinedCMap { 25 public: 26 const FX_CHAR* m_pName; 27 CIDSet m_Charset; 28 int m_Coding; 29 CPDF_CMap::CodingScheme m_CodingScheme; 30 FX_DWORD m_LeadingSegCount; 31 uint8_t m_LeadingSegs[4]; 32 }; 33 34 const CPDF_PredefinedCMap g_PredefinedCMaps[] = { 35 {"GB-EUC", 36 CIDSET_GB1, 37 CIDCODING_GB, 38 CPDF_CMap::MixedTwoBytes, 39 1, 40 {0xa1, 0xfe}}, 41 {"GBpc-EUC", 42 CIDSET_GB1, 43 CIDCODING_GB, 44 CPDF_CMap::MixedTwoBytes, 45 1, 46 {0xa1, 0xfc}}, 47 {"GBK-EUC", 48 CIDSET_GB1, 49 CIDCODING_GB, 50 CPDF_CMap::MixedTwoBytes, 51 1, 52 {0x81, 0xfe}}, 53 {"GBKp-EUC", 54 CIDSET_GB1, 55 CIDCODING_GB, 56 CPDF_CMap::MixedTwoBytes, 57 1, 58 {0x81, 0xfe}}, 59 {"GBK2K-EUC", 60 CIDSET_GB1, 61 CIDCODING_GB, 62 CPDF_CMap::MixedTwoBytes, 63 1, 64 {0x81, 0xfe}}, 65 {"GBK2K", 66 CIDSET_GB1, 67 CIDCODING_GB, 68 CPDF_CMap::MixedTwoBytes, 69 1, 70 {0x81, 0xfe}}, 71 {"UniGB-UCS2", CIDSET_GB1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, 72 {"UniGB-UTF16", CIDSET_GB1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, 73 {"B5pc", 74 CIDSET_CNS1, 75 CIDCODING_BIG5, 76 CPDF_CMap::MixedTwoBytes, 77 1, 78 {0xa1, 0xfc}}, 79 {"HKscs-B5", 80 CIDSET_CNS1, 81 CIDCODING_BIG5, 82 CPDF_CMap::MixedTwoBytes, 83 1, 84 {0x88, 0xfe}}, 85 {"ETen-B5", 86 CIDSET_CNS1, 87 CIDCODING_BIG5, 88 CPDF_CMap::MixedTwoBytes, 89 1, 90 {0xa1, 0xfe}}, 91 {"ETenms-B5", 92 CIDSET_CNS1, 93 CIDCODING_BIG5, 94 CPDF_CMap::MixedTwoBytes, 95 1, 96 {0xa1, 0xfe}}, 97 {"UniCNS-UCS2", CIDSET_CNS1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, 98 {"UniCNS-UTF16", CIDSET_CNS1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, 99 {"83pv-RKSJ", 100 CIDSET_JAPAN1, 101 CIDCODING_JIS, 102 CPDF_CMap::MixedTwoBytes, 103 2, 104 {0x81, 0x9f, 0xe0, 0xfc}}, 105 {"90ms-RKSJ", 106 CIDSET_JAPAN1, 107 CIDCODING_JIS, 108 CPDF_CMap::MixedTwoBytes, 109 2, 110 {0x81, 0x9f, 0xe0, 0xfc}}, 111 {"90msp-RKSJ", 112 CIDSET_JAPAN1, 113 CIDCODING_JIS, 114 CPDF_CMap::MixedTwoBytes, 115 2, 116 {0x81, 0x9f, 0xe0, 0xfc}}, 117 {"90pv-RKSJ", 118 CIDSET_JAPAN1, 119 CIDCODING_JIS, 120 CPDF_CMap::MixedTwoBytes, 121 2, 122 {0x81, 0x9f, 0xe0, 0xfc}}, 123 {"Add-RKSJ", 124 CIDSET_JAPAN1, 125 CIDCODING_JIS, 126 CPDF_CMap::MixedTwoBytes, 127 2, 128 {0x81, 0x9f, 0xe0, 0xfc}}, 129 {"EUC", 130 CIDSET_JAPAN1, 131 CIDCODING_JIS, 132 CPDF_CMap::MixedTwoBytes, 133 2, 134 {0x8e, 0x8e, 0xa1, 0xfe}}, 135 {"H", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}}, 136 {"V", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}}, 137 {"Ext-RKSJ", 138 CIDSET_JAPAN1, 139 CIDCODING_JIS, 140 CPDF_CMap::MixedTwoBytes, 141 2, 142 {0x81, 0x9f, 0xe0, 0xfc}}, 143 {"UniJIS-UCS2", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, 144 {"UniJIS-UCS2-HW", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, 145 {"UniJIS-UTF16", CIDSET_JAPAN1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, 146 {"KSC-EUC", 147 CIDSET_KOREA1, 148 CIDCODING_KOREA, 149 CPDF_CMap::MixedTwoBytes, 150 1, 151 {0xa1, 0xfe}}, 152 {"KSCms-UHC", 153 CIDSET_KOREA1, 154 CIDCODING_KOREA, 155 CPDF_CMap::MixedTwoBytes, 156 1, 157 {0x81, 0xfe}}, 158 {"KSCms-UHC-HW", 159 CIDSET_KOREA1, 160 CIDCODING_KOREA, 161 CPDF_CMap::MixedTwoBytes, 162 1, 163 {0x81, 0xfe}}, 164 {"KSCpc-EUC", 165 CIDSET_KOREA1, 166 CIDCODING_KOREA, 167 CPDF_CMap::MixedTwoBytes, 168 1, 169 {0xa1, 0xfd}}, 170 {"UniKS-UCS2", CIDSET_KOREA1, CIDCODING_UCS2, CPDF_CMap::TwoBytes}, 171 {"UniKS-UTF16", CIDSET_KOREA1, CIDCODING_UTF16, CPDF_CMap::TwoBytes}, 172 }; 173 174 CIDSet CIDSetFromSizeT(size_t index) { 175 if (index >= CIDSET_NUM_SETS) { 176 NOTREACHED(); 177 return CIDSET_UNKNOWN; 178 } 179 return static_cast<CIDSet>(index); 180 } 181 182 CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) { 183 for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) { 184 if (ordering == CFX_ByteStringC(g_CharsetNames[charset])) 185 return CIDSetFromSizeT(charset); 186 } 187 return CIDSET_UNKNOWN; 188 } 189 190 CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) { 191 return word.Mid(1, word.GetLength() - 2); 192 } 193 194 int CompareDWORD(const void* data1, const void* data2) { 195 return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2); 196 } 197 198 int CompareCID(const void* key, const void* element) { 199 if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) { 200 return -1; 201 } 202 if ((*(FX_DWORD*)key) > 203 (*(FX_DWORD*)element) + ((FX_DWORD*)element)[1] / 65536) { 204 return 1; 205 } 206 return 0; 207 } 208 209 int CheckCodeRange(uint8_t* codes, 210 int size, 211 CMap_CodeRange* pRanges, 212 int nRanges) { 213 int iSeg = nRanges - 1; 214 while (iSeg >= 0) { 215 if (pRanges[iSeg].m_CharSize < size) { 216 --iSeg; 217 continue; 218 } 219 int iChar = 0; 220 while (iChar < size) { 221 if (codes[iChar] < pRanges[iSeg].m_Lower[iChar] || 222 codes[iChar] > pRanges[iSeg].m_Upper[iChar]) { 223 break; 224 } 225 ++iChar; 226 } 227 if (iChar == pRanges[iSeg].m_CharSize) 228 return 2; 229 230 if (iChar) 231 return (size == pRanges[iSeg].m_CharSize) ? 2 : 1; 232 iSeg--; 233 } 234 return 0; 235 } 236 237 int GetCharSizeImpl(FX_DWORD charcode, 238 CMap_CodeRange* pRanges, 239 int iRangesSize) { 240 if (!iRangesSize) 241 return 1; 242 243 uint8_t codes[4]; 244 codes[0] = codes[1] = 0x00; 245 codes[2] = (uint8_t)(charcode >> 8 & 0xFF); 246 codes[3] = (uint8_t)charcode; 247 int offset = 0; 248 int size = 4; 249 for (int i = 0; i < 4; ++i) { 250 int iSeg = iRangesSize - 1; 251 while (iSeg >= 0) { 252 if (pRanges[iSeg].m_CharSize < size) { 253 --iSeg; 254 continue; 255 } 256 int iChar = 0; 257 while (iChar < size) { 258 if (codes[offset + iChar] < pRanges[iSeg].m_Lower[iChar] || 259 codes[offset + iChar] > pRanges[iSeg].m_Upper[iChar]) { 260 break; 261 } 262 ++iChar; 263 } 264 if (iChar == pRanges[iSeg].m_CharSize) 265 return size; 266 --iSeg; 267 } 268 --size; 269 ++offset; 270 } 271 return 1; 272 } 273 274 bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) { 275 switch (charset) { 276 case CIDSET_GB1: 277 case CIDSET_CNS1: 278 case CIDSET_JAPAN1: 279 case CIDSET_KOREA1: 280 return true; 281 282 default: 283 return false; 284 } 285 } 286 287 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ 288 FX_DWORD EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, 289 CIDSet charset, 290 FX_WCHAR unicode) { 291 if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) 292 return 0; 293 294 CPDF_FontGlobals* pFontGlobals = 295 CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); 296 const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; 297 if (!pCodes) 298 return 0; 299 300 int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; 301 for (int i = 0; i < nCodes; ++i) { 302 if (pCodes[i] == unicode) { 303 FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i); 304 if (CharCode != 0) { 305 return CharCode; 306 } 307 } 308 } 309 return 0; 310 } 311 #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ 312 313 FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, 314 CIDSet charset, 315 FX_DWORD charcode) { 316 if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) 317 return 0; 318 319 FX_WORD cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode); 320 if (cid == 0) 321 return 0; 322 323 CPDF_FontGlobals* pFontGlobals = 324 CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); 325 const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; 326 if (!pCodes) 327 return 0; 328 329 if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) 330 return pCodes[cid]; 331 return 0; 332 } 333 334 void FT_UseCIDCharmap(FXFT_Face face, int coding) { 335 int encoding; 336 switch (coding) { 337 case CIDCODING_GB: 338 encoding = FXFT_ENCODING_GB2312; 339 break; 340 case CIDCODING_BIG5: 341 encoding = FXFT_ENCODING_BIG5; 342 break; 343 case CIDCODING_JIS: 344 encoding = FXFT_ENCODING_SJIS; 345 break; 346 case CIDCODING_KOREA: 347 encoding = FXFT_ENCODING_JOHAB; 348 break; 349 default: 350 encoding = FXFT_ENCODING_UNICODE; 351 } 352 int err = FXFT_Select_Charmap(face, encoding); 353 if (err) { 354 err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); 355 } 356 if (err && FXFT_Get_Face_Charmaps(face)) { 357 FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face)); 358 } 359 } 360 361 const struct CIDTransform { 362 FX_WORD CID; 363 uint8_t a, b, c, d, e, f; 364 } g_Japan1_VertCIDs[] = { 365 {97, 129, 0, 0, 127, 55, 0}, 366 {7887, 127, 0, 0, 127, 76, 89}, 367 {7888, 127, 0, 0, 127, 79, 94}, 368 {7889, 0, 129, 127, 0, 17, 127}, 369 {7890, 0, 129, 127, 0, 17, 127}, 370 {7891, 0, 129, 127, 0, 17, 127}, 371 {7892, 0, 129, 127, 0, 17, 127}, 372 {7893, 0, 129, 127, 0, 17, 127}, 373 {7894, 0, 129, 127, 0, 17, 127}, 374 {7895, 0, 129, 127, 0, 17, 127}, 375 {7896, 0, 129, 127, 0, 17, 127}, 376 {7897, 0, 129, 127, 0, 17, 127}, 377 {7898, 0, 129, 127, 0, 17, 127}, 378 {7899, 0, 129, 127, 0, 17, 104}, 379 {7900, 0, 129, 127, 0, 17, 127}, 380 {7901, 0, 129, 127, 0, 17, 104}, 381 {7902, 0, 129, 127, 0, 17, 127}, 382 {7903, 0, 129, 127, 0, 17, 127}, 383 {7904, 0, 129, 127, 0, 17, 127}, 384 {7905, 0, 129, 127, 0, 17, 114}, 385 {7906, 0, 129, 127, 0, 17, 127}, 386 {7907, 0, 129, 127, 0, 17, 127}, 387 {7908, 0, 129, 127, 0, 17, 127}, 388 {7909, 0, 129, 127, 0, 17, 127}, 389 {7910, 0, 129, 127, 0, 17, 127}, 390 {7911, 0, 129, 127, 0, 17, 127}, 391 {7912, 0, 129, 127, 0, 17, 127}, 392 {7913, 0, 129, 127, 0, 17, 127}, 393 {7914, 0, 129, 127, 0, 17, 127}, 394 {7915, 0, 129, 127, 0, 17, 114}, 395 {7916, 0, 129, 127, 0, 17, 127}, 396 {7917, 0, 129, 127, 0, 17, 127}, 397 {7918, 127, 0, 0, 127, 18, 25}, 398 {7919, 127, 0, 0, 127, 18, 25}, 399 {7920, 127, 0, 0, 127, 18, 25}, 400 {7921, 127, 0, 0, 127, 18, 25}, 401 {7922, 127, 0, 0, 127, 18, 25}, 402 {7923, 127, 0, 0, 127, 18, 25}, 403 {7924, 127, 0, 0, 127, 18, 25}, 404 {7925, 127, 0, 0, 127, 18, 25}, 405 {7926, 127, 0, 0, 127, 18, 25}, 406 {7927, 127, 0, 0, 127, 18, 25}, 407 {7928, 127, 0, 0, 127, 18, 25}, 408 {7929, 127, 0, 0, 127, 18, 25}, 409 {7930, 127, 0, 0, 127, 18, 25}, 410 {7931, 127, 0, 0, 127, 18, 25}, 411 {7932, 127, 0, 0, 127, 18, 25}, 412 {7933, 127, 0, 0, 127, 18, 25}, 413 {7934, 127, 0, 0, 127, 18, 25}, 414 {7935, 127, 0, 0, 127, 18, 25}, 415 {7936, 127, 0, 0, 127, 18, 25}, 416 {7937, 127, 0, 0, 127, 18, 25}, 417 {7938, 127, 0, 0, 127, 18, 25}, 418 {7939, 127, 0, 0, 127, 18, 25}, 419 {8720, 0, 129, 127, 0, 19, 102}, 420 {8721, 0, 129, 127, 0, 13, 127}, 421 {8722, 0, 129, 127, 0, 19, 108}, 422 {8723, 0, 129, 127, 0, 19, 102}, 423 {8724, 0, 129, 127, 0, 19, 102}, 424 {8725, 0, 129, 127, 0, 19, 102}, 425 {8726, 0, 129, 127, 0, 19, 102}, 426 {8727, 0, 129, 127, 0, 19, 102}, 427 {8728, 0, 129, 127, 0, 19, 114}, 428 {8729, 0, 129, 127, 0, 19, 114}, 429 {8730, 0, 129, 127, 0, 38, 108}, 430 {8731, 0, 129, 127, 0, 13, 108}, 431 {8732, 0, 129, 127, 0, 19, 108}, 432 {8733, 0, 129, 127, 0, 19, 108}, 433 {8734, 0, 129, 127, 0, 19, 108}, 434 {8735, 0, 129, 127, 0, 19, 108}, 435 {8736, 0, 129, 127, 0, 19, 102}, 436 {8737, 0, 129, 127, 0, 19, 102}, 437 {8738, 0, 129, 127, 0, 19, 102}, 438 {8739, 0, 129, 127, 0, 19, 102}, 439 {8740, 0, 129, 127, 0, 19, 102}, 440 {8741, 0, 129, 127, 0, 19, 102}, 441 {8742, 0, 129, 127, 0, 19, 102}, 442 {8743, 0, 129, 127, 0, 19, 102}, 443 {8744, 0, 129, 127, 0, 19, 102}, 444 {8745, 0, 129, 127, 0, 19, 102}, 445 {8746, 0, 129, 127, 0, 19, 114}, 446 {8747, 0, 129, 127, 0, 19, 114}, 447 {8748, 0, 129, 127, 0, 19, 102}, 448 {8749, 0, 129, 127, 0, 19, 102}, 449 {8750, 0, 129, 127, 0, 19, 102}, 450 {8751, 0, 129, 127, 0, 19, 102}, 451 {8752, 0, 129, 127, 0, 19, 102}, 452 {8753, 0, 129, 127, 0, 19, 102}, 453 {8754, 0, 129, 127, 0, 19, 102}, 454 {8755, 0, 129, 127, 0, 19, 102}, 455 {8756, 0, 129, 127, 0, 19, 102}, 456 {8757, 0, 129, 127, 0, 19, 102}, 457 {8758, 0, 129, 127, 0, 19, 102}, 458 {8759, 0, 129, 127, 0, 19, 102}, 459 {8760, 0, 129, 127, 0, 19, 102}, 460 {8761, 0, 129, 127, 0, 19, 102}, 461 {8762, 0, 129, 127, 0, 19, 102}, 462 {8763, 0, 129, 127, 0, 19, 102}, 463 {8764, 0, 129, 127, 0, 19, 102}, 464 {8765, 0, 129, 127, 0, 19, 102}, 465 {8766, 0, 129, 127, 0, 19, 102}, 466 {8767, 0, 129, 127, 0, 19, 102}, 467 {8768, 0, 129, 127, 0, 19, 102}, 468 {8769, 0, 129, 127, 0, 19, 102}, 469 {8770, 0, 129, 127, 0, 19, 102}, 470 {8771, 0, 129, 127, 0, 19, 102}, 471 {8772, 0, 129, 127, 0, 19, 102}, 472 {8773, 0, 129, 127, 0, 19, 102}, 473 {8774, 0, 129, 127, 0, 19, 102}, 474 {8775, 0, 129, 127, 0, 19, 102}, 475 {8776, 0, 129, 127, 0, 19, 102}, 476 {8777, 0, 129, 127, 0, 19, 102}, 477 {8778, 0, 129, 127, 0, 19, 102}, 478 {8779, 0, 129, 127, 0, 19, 114}, 479 {8780, 0, 129, 127, 0, 19, 108}, 480 {8781, 0, 129, 127, 0, 19, 114}, 481 {8782, 0, 129, 127, 0, 13, 114}, 482 {8783, 0, 129, 127, 0, 19, 108}, 483 {8784, 0, 129, 127, 0, 13, 114}, 484 {8785, 0, 129, 127, 0, 19, 108}, 485 {8786, 0, 129, 127, 0, 19, 108}, 486 {8787, 0, 129, 127, 0, 19, 108}, 487 {8788, 0, 129, 127, 0, 19, 108}, 488 {8789, 0, 129, 127, 0, 19, 108}, 489 {8790, 0, 129, 127, 0, 19, 108}, 490 {8791, 0, 129, 127, 0, 19, 108}, 491 {8792, 0, 129, 127, 0, 19, 108}, 492 {8793, 0, 129, 127, 0, 19, 108}, 493 {8794, 0, 129, 127, 0, 19, 108}, 494 {8795, 0, 129, 127, 0, 19, 108}, 495 {8796, 0, 129, 127, 0, 19, 108}, 496 {8797, 0, 129, 127, 0, 19, 108}, 497 {8798, 0, 129, 127, 0, 19, 108}, 498 {8799, 0, 129, 127, 0, 19, 108}, 499 {8800, 0, 129, 127, 0, 19, 108}, 500 {8801, 0, 129, 127, 0, 19, 108}, 501 {8802, 0, 129, 127, 0, 19, 108}, 502 {8803, 0, 129, 127, 0, 19, 108}, 503 {8804, 0, 129, 127, 0, 19, 108}, 504 {8805, 0, 129, 127, 0, 19, 108}, 505 {8806, 0, 129, 127, 0, 19, 108}, 506 {8807, 0, 129, 127, 0, 19, 108}, 507 {8808, 0, 129, 127, 0, 19, 108}, 508 {8809, 0, 129, 127, 0, 19, 108}, 509 {8810, 0, 129, 127, 0, 19, 108}, 510 {8811, 0, 129, 127, 0, 19, 114}, 511 {8812, 0, 129, 127, 0, 19, 102}, 512 {8813, 0, 129, 127, 0, 19, 114}, 513 {8814, 0, 129, 127, 0, 76, 102}, 514 {8815, 0, 129, 127, 0, 13, 121}, 515 {8816, 0, 129, 127, 0, 19, 114}, 516 {8817, 0, 129, 127, 0, 19, 127}, 517 {8818, 0, 129, 127, 0, 19, 114}, 518 {8819, 0, 129, 127, 0, 218, 108}, 519 }; 520 521 int CompareCIDTransform(const void* key, const void* element) { 522 FX_WORD CID = *static_cast<const FX_WORD*>(key); 523 return CID - static_cast<const struct CIDTransform*>(element)->CID; 524 } 525 526 } // namespace 527 528 CPDF_CMapManager::CPDF_CMapManager() { 529 m_bPrompted = FALSE; 530 FXSYS_memset(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps); 531 } 532 CPDF_CMapManager::~CPDF_CMapManager() { 533 for (const auto& pair : m_CMaps) { 534 delete pair.second; 535 } 536 m_CMaps.clear(); 537 for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) { 538 delete m_CID2UnicodeMaps[i]; 539 } 540 } 541 CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name, 542 FX_BOOL bPromptCJK) { 543 auto it = m_CMaps.find(name); 544 if (it != m_CMaps.end()) { 545 return it->second; 546 } 547 CPDF_CMap* pCMap = LoadPredefinedCMap(name, bPromptCJK); 548 if (!name.IsEmpty()) { 549 m_CMaps[name] = pCMap; 550 } 551 return pCMap; 552 } 553 CPDF_CMap* CPDF_CMapManager::LoadPredefinedCMap(const CFX_ByteString& name, 554 FX_BOOL bPromptCJK) { 555 CPDF_CMap* pCMap = new CPDF_CMap; 556 const FX_CHAR* pname = name; 557 if (*pname == '/') { 558 pname++; 559 } 560 pCMap->LoadPredefined(this, pname, bPromptCJK); 561 return pCMap; 562 } 563 564 void CPDF_CMapManager::ReloadAll() { 565 for (const auto& pair : m_CMaps) { 566 CPDF_CMap* pCMap = pair.second; 567 pCMap->LoadPredefined(this, pair.first, FALSE); 568 } 569 for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) { 570 if (CPDF_CID2UnicodeMap* pMap = m_CID2UnicodeMaps[i]) { 571 pMap->Load(this, CIDSetFromSizeT(i), FALSE); 572 } 573 } 574 } 575 CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset, 576 FX_BOOL bPromptCJK) { 577 if (!m_CID2UnicodeMaps[charset]) 578 m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK); 579 return m_CID2UnicodeMaps[charset]; 580 } 581 CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(CIDSet charset, 582 FX_BOOL bPromptCJK) { 583 CPDF_CID2UnicodeMap* pMap = new CPDF_CID2UnicodeMap(); 584 if (!pMap->Initialize()) { 585 delete pMap; 586 return NULL; 587 } 588 pMap->Load(this, charset, bPromptCJK); 589 return pMap; 590 } 591 CPDF_CMapParser::CPDF_CMapParser() { 592 m_pCMap = NULL; 593 m_Status = 0; 594 m_CodeSeq = 0; 595 } 596 FX_BOOL CPDF_CMapParser::Initialize(CPDF_CMap* pCMap) { 597 m_pCMap = pCMap; 598 m_Status = 0; 599 m_CodeSeq = 0; 600 m_AddMaps.EstimateSize(0, 10240); 601 return TRUE; 602 } 603 604 void CPDF_CMapParser::ParseWord(const CFX_ByteStringC& word) { 605 if (word.IsEmpty()) { 606 return; 607 } 608 if (word == "begincidchar") { 609 m_Status = 1; 610 m_CodeSeq = 0; 611 } else if (word == "begincidrange") { 612 m_Status = 2; 613 m_CodeSeq = 0; 614 } else if (word == "endcidrange" || word == "endcidchar") { 615 m_Status = 0; 616 } else if (word == "/WMode") { 617 m_Status = 6; 618 } else if (word == "/Registry") { 619 m_Status = 3; 620 } else if (word == "/Ordering") { 621 m_Status = 4; 622 } else if (word == "/Supplement") { 623 m_Status = 5; 624 } else if (word == "begincodespacerange") { 625 m_Status = 7; 626 m_CodeSeq = 0; 627 } else if (word == "usecmap") { 628 } else if (m_Status == 1 || m_Status == 2) { 629 m_CodePoints[m_CodeSeq] = CMap_GetCode(word); 630 m_CodeSeq++; 631 FX_DWORD StartCode, EndCode; 632 FX_WORD StartCID; 633 if (m_Status == 1) { 634 if (m_CodeSeq < 2) { 635 return; 636 } 637 EndCode = StartCode = m_CodePoints[0]; 638 StartCID = (FX_WORD)m_CodePoints[1]; 639 } else { 640 if (m_CodeSeq < 3) { 641 return; 642 } 643 StartCode = m_CodePoints[0]; 644 EndCode = m_CodePoints[1]; 645 StartCID = (FX_WORD)m_CodePoints[2]; 646 } 647 if (EndCode < 0x10000) { 648 for (FX_DWORD code = StartCode; code <= EndCode; code++) { 649 m_pCMap->m_pMapping[code] = (FX_WORD)(StartCID + code - StartCode); 650 } 651 } else { 652 FX_DWORD buf[2]; 653 buf[0] = StartCode; 654 buf[1] = ((EndCode - StartCode) << 16) + StartCID; 655 m_AddMaps.AppendBlock(buf, sizeof buf); 656 } 657 m_CodeSeq = 0; 658 } else if (m_Status == 3) { 659 CMap_GetString(word); 660 m_Status = 0; 661 } else if (m_Status == 4) { 662 m_pCMap->m_Charset = CharsetFromOrdering(CMap_GetString(word)); 663 m_Status = 0; 664 } else if (m_Status == 5) { 665 CMap_GetCode(word); 666 m_Status = 0; 667 } else if (m_Status == 6) { 668 m_pCMap->m_bVertical = CMap_GetCode(word); 669 m_Status = 0; 670 } else if (m_Status == 7) { 671 if (word == "endcodespacerange") { 672 int nSegs = m_CodeRanges.GetSize(); 673 if (nSegs > 1) { 674 m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes; 675 m_pCMap->m_nCodeRanges = nSegs; 676 m_pCMap->m_pLeadingBytes = 677 FX_Alloc2D(uint8_t, nSegs, sizeof(CMap_CodeRange)); 678 FXSYS_memcpy(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(), 679 nSegs * sizeof(CMap_CodeRange)); 680 } else if (nSegs == 1) { 681 m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2) 682 ? CPDF_CMap::TwoBytes 683 : CPDF_CMap::OneByte; 684 } 685 m_Status = 0; 686 } else { 687 if (word.GetLength() == 0 || word.GetAt(0) != '<') { 688 return; 689 } 690 if (m_CodeSeq % 2) { 691 CMap_CodeRange range; 692 if (CMap_GetCodeRange(range, m_LastWord, word)) { 693 m_CodeRanges.Add(range); 694 } 695 } 696 m_CodeSeq++; 697 } 698 } 699 m_LastWord = word; 700 } 701 702 // Static. 703 FX_DWORD CPDF_CMapParser::CMap_GetCode(const CFX_ByteStringC& word) { 704 int num = 0; 705 if (word.GetAt(0) == '<') { 706 for (int i = 1; i < word.GetLength() && std::isxdigit(word.GetAt(i)); ++i) 707 num = num * 16 + FXSYS_toHexDigit(word.GetAt(i)); 708 return num; 709 } 710 711 for (int i = 0; i < word.GetLength() && std::isdigit(word.GetAt(i)); ++i) 712 num = num * 10 + FXSYS_toDecimalDigit(word.GetAt(i)); 713 return num; 714 } 715 716 // Static. 717 bool CPDF_CMapParser::CMap_GetCodeRange(CMap_CodeRange& range, 718 const CFX_ByteStringC& first, 719 const CFX_ByteStringC& second) { 720 if (first.GetLength() == 0 || first.GetAt(0) != '<') 721 return false; 722 723 int i; 724 for (i = 1; i < first.GetLength(); ++i) { 725 if (first.GetAt(i) == '>') { 726 break; 727 } 728 } 729 range.m_CharSize = (i - 1) / 2; 730 if (range.m_CharSize > 4) 731 return false; 732 733 for (i = 0; i < range.m_CharSize; ++i) { 734 uint8_t digit1 = first.GetAt(i * 2 + 1); 735 uint8_t digit2 = first.GetAt(i * 2 + 2); 736 range.m_Lower[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2); 737 } 738 739 FX_DWORD size = second.GetLength(); 740 for (i = 0; i < range.m_CharSize; ++i) { 741 uint8_t digit1 = ((FX_DWORD)i * 2 + 1 < size) 742 ? second.GetAt((FX_STRSIZE)i * 2 + 1) 743 : '0'; 744 uint8_t digit2 = ((FX_DWORD)i * 2 + 2 < size) 745 ? second.GetAt((FX_STRSIZE)i * 2 + 2) 746 : '0'; 747 range.m_Upper[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2); 748 } 749 return true; 750 } 751 752 CPDF_CMap::CPDF_CMap() { 753 m_Charset = CIDSET_UNKNOWN; 754 m_Coding = CIDCODING_UNKNOWN; 755 m_CodingScheme = TwoBytes; 756 m_bVertical = 0; 757 m_bLoaded = FALSE; 758 m_pMapping = NULL; 759 m_pLeadingBytes = NULL; 760 m_pAddMapping = NULL; 761 m_pEmbedMap = NULL; 762 m_pUseMap = NULL; 763 m_nCodeRanges = 0; 764 } 765 CPDF_CMap::~CPDF_CMap() { 766 FX_Free(m_pMapping); 767 FX_Free(m_pAddMapping); 768 FX_Free(m_pLeadingBytes); 769 delete m_pUseMap; 770 } 771 void CPDF_CMap::Release() { 772 if (m_PredefinedCMap.IsEmpty()) { 773 delete this; 774 } 775 } 776 777 FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr, 778 const FX_CHAR* pName, 779 FX_BOOL bPromptCJK) { 780 m_PredefinedCMap = pName; 781 if (m_PredefinedCMap == "Identity-H" || m_PredefinedCMap == "Identity-V") { 782 m_Coding = CIDCODING_CID; 783 m_bVertical = pName[9] == 'V'; 784 m_bLoaded = TRUE; 785 return TRUE; 786 } 787 CFX_ByteString cmapid = m_PredefinedCMap; 788 m_bVertical = cmapid.Right(1) == "V"; 789 if (cmapid.GetLength() > 2) { 790 cmapid = cmapid.Left(cmapid.GetLength() - 2); 791 } 792 const CPDF_PredefinedCMap* map = nullptr; 793 for (size_t i = 0; i < FX_ArraySize(g_PredefinedCMaps); ++i) { 794 if (cmapid == CFX_ByteStringC(g_PredefinedCMaps[i].m_pName)) { 795 map = &g_PredefinedCMaps[i]; 796 break; 797 } 798 } 799 if (!map) 800 return FALSE; 801 802 m_Charset = map->m_Charset; 803 m_Coding = map->m_Coding; 804 m_CodingScheme = map->m_CodingScheme; 805 if (m_CodingScheme == MixedTwoBytes) { 806 m_pLeadingBytes = FX_Alloc(uint8_t, 256); 807 for (FX_DWORD i = 0; i < map->m_LeadingSegCount; ++i) { 808 const uint8_t* segs = map->m_LeadingSegs; 809 for (int b = segs[i * 2]; b <= segs[i * 2 + 1]; ++b) { 810 m_pLeadingBytes[b] = 1; 811 } 812 } 813 } 814 FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap); 815 if (m_pEmbedMap) { 816 m_bLoaded = TRUE; 817 return TRUE; 818 } 819 return FALSE; 820 } 821 FX_BOOL CPDF_CMap::LoadEmbedded(const uint8_t* pData, FX_DWORD size) { 822 m_pMapping = FX_Alloc(FX_WORD, 65536); 823 CPDF_CMapParser parser; 824 parser.Initialize(this); 825 CPDF_SimpleParser syntax(pData, size); 826 while (1) { 827 CFX_ByteStringC word = syntax.GetWord(); 828 if (word.IsEmpty()) { 829 break; 830 } 831 parser.ParseWord(word); 832 } 833 if (m_CodingScheme == MixedFourBytes && parser.m_AddMaps.GetSize()) { 834 m_pAddMapping = FX_Alloc(uint8_t, parser.m_AddMaps.GetSize() + 4); 835 *(FX_DWORD*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8; 836 FXSYS_memcpy(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(), 837 parser.m_AddMaps.GetSize()); 838 FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8, 839 CompareDWORD); 840 } 841 return TRUE; 842 } 843 844 FX_WORD CPDF_CMap::CIDFromCharCode(FX_DWORD charcode) const { 845 if (m_Coding == CIDCODING_CID) { 846 return (FX_WORD)charcode; 847 } 848 if (m_pEmbedMap) { 849 return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode); 850 } 851 if (!m_pMapping) { 852 return (FX_WORD)charcode; 853 } 854 if (charcode >> 16) { 855 if (m_pAddMapping) { 856 void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4, 857 *(FX_DWORD*)m_pAddMapping, 8, CompareCID); 858 if (!found) { 859 if (m_pUseMap) { 860 return m_pUseMap->CIDFromCharCode(charcode); 861 } 862 return 0; 863 } 864 return (FX_WORD)(((FX_DWORD*)found)[1] % 65536 + charcode - 865 *(FX_DWORD*)found); 866 } 867 if (m_pUseMap) 868 return m_pUseMap->CIDFromCharCode(charcode); 869 return 0; 870 } 871 FX_DWORD CID = m_pMapping[charcode]; 872 if (!CID && m_pUseMap) 873 return m_pUseMap->CIDFromCharCode(charcode); 874 return (FX_WORD)CID; 875 } 876 877 FX_DWORD CPDF_CMap::GetNextChar(const FX_CHAR* pString, 878 int nStrLen, 879 int& offset) const { 880 switch (m_CodingScheme) { 881 case OneByte: 882 return ((uint8_t*)pString)[offset++]; 883 case TwoBytes: 884 offset += 2; 885 return ((uint8_t*)pString)[offset - 2] * 256 + 886 ((uint8_t*)pString)[offset - 1]; 887 case MixedTwoBytes: { 888 uint8_t byte1 = ((uint8_t*)pString)[offset++]; 889 if (!m_pLeadingBytes[byte1]) { 890 return byte1; 891 } 892 uint8_t byte2 = ((uint8_t*)pString)[offset++]; 893 return byte1 * 256 + byte2; 894 } 895 case MixedFourBytes: { 896 uint8_t codes[4]; 897 int char_size = 1; 898 codes[0] = ((uint8_t*)pString)[offset++]; 899 CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes; 900 while (1) { 901 int ret = CheckCodeRange(codes, char_size, pRanges, m_nCodeRanges); 902 if (ret == 0) { 903 return 0; 904 } 905 if (ret == 2) { 906 FX_DWORD charcode = 0; 907 for (int i = 0; i < char_size; i++) { 908 charcode = (charcode << 8) + codes[i]; 909 } 910 return charcode; 911 } 912 if (char_size == 4 || offset == nStrLen) { 913 return 0; 914 } 915 codes[char_size++] = ((uint8_t*)pString)[offset++]; 916 } 917 break; 918 } 919 } 920 return 0; 921 } 922 int CPDF_CMap::GetCharSize(FX_DWORD charcode) const { 923 switch (m_CodingScheme) { 924 case OneByte: 925 return 1; 926 case TwoBytes: 927 return 2; 928 case MixedTwoBytes: 929 case MixedFourBytes: 930 if (charcode < 0x100) { 931 return 1; 932 } 933 if (charcode < 0x10000) { 934 return 2; 935 } 936 if (charcode < 0x1000000) { 937 return 3; 938 } 939 return 4; 940 } 941 return 1; 942 } 943 int CPDF_CMap::CountChar(const FX_CHAR* pString, int size) const { 944 switch (m_CodingScheme) { 945 case OneByte: 946 return size; 947 case TwoBytes: 948 return (size + 1) / 2; 949 case MixedTwoBytes: { 950 int count = 0; 951 for (int i = 0; i < size; i++) { 952 count++; 953 if (m_pLeadingBytes[((uint8_t*)pString)[i]]) { 954 i++; 955 } 956 } 957 return count; 958 } 959 case MixedFourBytes: { 960 int count = 0, offset = 0; 961 while (offset < size) { 962 GetNextChar(pString, size, offset); 963 count++; 964 } 965 return count; 966 } 967 } 968 return size; 969 } 970 971 int CPDF_CMap::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { 972 switch (m_CodingScheme) { 973 case OneByte: 974 str[0] = (uint8_t)charcode; 975 return 1; 976 case TwoBytes: 977 str[0] = (uint8_t)(charcode / 256); 978 str[1] = (uint8_t)(charcode % 256); 979 return 2; 980 case MixedTwoBytes: 981 case MixedFourBytes: 982 if (charcode < 0x100) { 983 CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes; 984 int iSize = GetCharSizeImpl(charcode, pRanges, m_nCodeRanges); 985 if (iSize == 0) { 986 iSize = 1; 987 } 988 if (iSize > 1) { 989 FXSYS_memset(str, 0, sizeof(uint8_t) * iSize); 990 } 991 str[iSize - 1] = (uint8_t)charcode; 992 return iSize; 993 } 994 if (charcode < 0x10000) { 995 str[0] = (uint8_t)(charcode >> 8); 996 str[1] = (uint8_t)charcode; 997 return 2; 998 } 999 if (charcode < 0x1000000) { 1000 str[0] = (uint8_t)(charcode >> 16); 1001 str[1] = (uint8_t)(charcode >> 8); 1002 str[2] = (uint8_t)charcode; 1003 return 3; 1004 } 1005 str[0] = (uint8_t)(charcode >> 24); 1006 str[1] = (uint8_t)(charcode >> 16); 1007 str[2] = (uint8_t)(charcode >> 8); 1008 str[3] = (uint8_t)charcode; 1009 return 4; 1010 } 1011 return 0; 1012 } 1013 CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap() { 1014 m_EmbeddedCount = 0; 1015 } 1016 CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap() {} 1017 FX_BOOL CPDF_CID2UnicodeMap::Initialize() { 1018 return TRUE; 1019 } 1020 FX_BOOL CPDF_CID2UnicodeMap::IsLoaded() { 1021 return m_EmbeddedCount != 0; 1022 } 1023 FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID) { 1024 if (m_Charset == CIDSET_UNICODE) { 1025 return CID; 1026 } 1027 if (CID < m_EmbeddedCount) { 1028 return m_pEmbeddedMap[CID]; 1029 } 1030 return 0; 1031 } 1032 1033 void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, 1034 CIDSet charset, 1035 FX_BOOL bPromptCJK) { 1036 m_Charset = charset; 1037 FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount); 1038 } 1039 1040 #include "ttgsubtable.h" 1041 CPDF_CIDFont::CPDF_CIDFont() : CPDF_Font(PDFFONT_CIDFONT) { 1042 m_pCMap = NULL; 1043 m_pAllocatedCMap = NULL; 1044 m_pCID2UnicodeMap = NULL; 1045 m_pAnsiWidths = NULL; 1046 m_pCIDToGIDMap = NULL; 1047 m_bCIDIsGID = FALSE; 1048 m_bAdobeCourierStd = FALSE; 1049 m_pTTGSUBTable = NULL; 1050 FXSYS_memset(m_CharBBox, 0xff, 256 * sizeof(FX_SMALL_RECT)); 1051 } 1052 CPDF_CIDFont::~CPDF_CIDFont() { 1053 if (m_pAnsiWidths) { 1054 FX_Free(m_pAnsiWidths); 1055 } 1056 delete m_pAllocatedCMap; 1057 delete m_pCIDToGIDMap; 1058 delete m_pTTGSUBTable; 1059 } 1060 FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const { 1061 if (!m_pCMap) { 1062 return (FX_WORD)charcode; 1063 } 1064 return m_pCMap->CIDFromCharCode(charcode); 1065 } 1066 FX_BOOL CPDF_CIDFont::IsVertWriting() const { 1067 return m_pCMap ? m_pCMap->IsVertWriting() : FALSE; 1068 } 1069 1070 FX_WCHAR CPDF_CIDFont::_UnicodeFromCharCode(FX_DWORD charcode) const { 1071 switch (m_pCMap->m_Coding) { 1072 case CIDCODING_UCS2: 1073 case CIDCODING_UTF16: 1074 return (FX_WCHAR)charcode; 1075 case CIDCODING_CID: 1076 if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { 1077 return 0; 1078 } 1079 return m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)charcode); 1080 } 1081 if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || 1082 !m_pCID2UnicodeMap->IsLoaded()) { 1083 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ 1084 FX_WCHAR unicode; 1085 int charsize = 1; 1086 if (charcode > 255) { 1087 charcode = (charcode % 256) * 256 + (charcode / 256); 1088 charsize = 2; 1089 } 1090 int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, 1091 (const FX_CHAR*)&charcode, charsize, 1092 &unicode, 1); 1093 if (ret != 1) { 1094 return 0; 1095 } 1096 return unicode; 1097 #endif 1098 if (m_pCMap->m_pEmbedMap) { 1099 return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, 1100 m_pCMap->m_Charset, charcode); 1101 } 1102 return 0; 1103 } 1104 return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode)); 1105 } 1106 FX_DWORD CPDF_CIDFont::_CharCodeFromUnicode(FX_WCHAR unicode) const { 1107 switch (m_pCMap->m_Coding) { 1108 case CIDCODING_UNKNOWN: 1109 return 0; 1110 case CIDCODING_UCS2: 1111 case CIDCODING_UTF16: 1112 return unicode; 1113 case CIDCODING_CID: { 1114 if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { 1115 return 0; 1116 } 1117 FX_DWORD CID = 0; 1118 while (CID < 65536) { 1119 FX_WCHAR this_unicode = m_pCID2UnicodeMap->UnicodeFromCID((FX_WORD)CID); 1120 if (this_unicode == unicode) { 1121 return CID; 1122 } 1123 CID++; 1124 } 1125 break; 1126 } 1127 } 1128 1129 if (unicode < 0x80) { 1130 return static_cast<FX_DWORD>(unicode); 1131 } 1132 if (m_pCMap->m_Coding == CIDCODING_CID) { 1133 return 0; 1134 } 1135 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ 1136 uint8_t buffer[32]; 1137 int ret = 1138 FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, 1139 (char*)buffer, 4, NULL, NULL); 1140 if (ret == 1) { 1141 return buffer[0]; 1142 } 1143 if (ret == 2) { 1144 return buffer[0] * 256 + buffer[1]; 1145 } 1146 #else 1147 if (m_pCMap->m_pEmbedMap) { 1148 return EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, 1149 unicode); 1150 } 1151 #endif 1152 return 0; 1153 } 1154 1155 FX_BOOL CPDF_CIDFont::_Load() { 1156 if (m_pFontDict->GetString("Subtype") == "TrueType") { 1157 return LoadGB2312(); 1158 } 1159 CPDF_Array* pFonts = m_pFontDict->GetArray("DescendantFonts"); 1160 if (!pFonts) { 1161 return FALSE; 1162 } 1163 if (pFonts->GetCount() != 1) { 1164 return FALSE; 1165 } 1166 CPDF_Dictionary* pCIDFontDict = pFonts->GetDict(0); 1167 if (!pCIDFontDict) { 1168 return FALSE; 1169 } 1170 m_BaseFont = pCIDFontDict->GetString("BaseFont"); 1171 if ((m_BaseFont.Compare("CourierStd") == 0 || 1172 m_BaseFont.Compare("CourierStd-Bold") == 0 || 1173 m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || 1174 m_BaseFont.Compare("CourierStd-Oblique") == 0) && 1175 !IsEmbedded()) { 1176 m_bAdobeCourierStd = TRUE; 1177 } 1178 CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDict("FontDescriptor"); 1179 if (pFontDesc) { 1180 LoadFontDescriptor(pFontDesc); 1181 } 1182 CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); 1183 if (!pEncoding) { 1184 return FALSE; 1185 } 1186 CFX_ByteString subtype = pCIDFontDict->GetString("Subtype"); 1187 m_bType1 = (subtype == "CIDFontType0"); 1188 1189 if (pEncoding->IsName()) { 1190 CFX_ByteString cmap = pEncoding->GetString(); 1191 m_pCMap = 1192 CPDF_ModuleMgr::Get() 1193 ->GetPageModule() 1194 ->GetFontGlobals() 1195 ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1); 1196 } else if (CPDF_Stream* pStream = pEncoding->AsStream()) { 1197 m_pAllocatedCMap = m_pCMap = new CPDF_CMap; 1198 CPDF_StreamAcc acc; 1199 acc.LoadAllData(pStream, FALSE); 1200 m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); 1201 } else { 1202 return FALSE; 1203 } 1204 if (!m_pCMap) { 1205 return FALSE; 1206 } 1207 m_Charset = m_pCMap->m_Charset; 1208 if (m_Charset == CIDSET_UNKNOWN) { 1209 CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDict("CIDSystemInfo"); 1210 if (pCIDInfo) { 1211 m_Charset = CharsetFromOrdering(pCIDInfo->GetString("Ordering")); 1212 } 1213 } 1214 if (m_Charset != CIDSET_UNKNOWN) 1215 m_pCID2UnicodeMap = 1216 CPDF_ModuleMgr::Get() 1217 ->GetPageModule() 1218 ->GetFontGlobals() 1219 ->m_CMapManager.GetCID2UnicodeMap( 1220 m_Charset, 1221 !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID || 1222 pCIDFontDict->KeyExist("W"))); 1223 if (m_Font.GetFace()) { 1224 if (m_bType1) { 1225 FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); 1226 } else { 1227 FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding); 1228 } 1229 } 1230 m_DefaultWidth = pCIDFontDict->GetInteger("DW", 1000); 1231 CPDF_Array* pWidthArray = pCIDFontDict->GetArray("W"); 1232 if (pWidthArray) { 1233 LoadMetricsArray(pWidthArray, m_WidthList, 1); 1234 } 1235 if (!IsEmbedded()) { 1236 LoadSubstFont(); 1237 } 1238 if (1) { 1239 if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { 1240 CPDF_Object* pmap = pCIDFontDict->GetElementValue("CIDToGIDMap"); 1241 if (pmap) { 1242 if (CPDF_Stream* pStream = pmap->AsStream()) { 1243 m_pCIDToGIDMap = new CPDF_StreamAcc; 1244 m_pCIDToGIDMap->LoadAllData(pStream, FALSE); 1245 } else if (pmap->GetString() == "Identity") { 1246 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ 1247 if (m_pFontFile) { 1248 m_bCIDIsGID = TRUE; 1249 } 1250 #else 1251 m_bCIDIsGID = TRUE; 1252 #endif 1253 } 1254 } 1255 } 1256 } 1257 CheckFontMetrics(); 1258 if (IsVertWriting()) { 1259 pWidthArray = pCIDFontDict->GetArray("W2"); 1260 if (pWidthArray) { 1261 LoadMetricsArray(pWidthArray, m_VertMetrics, 3); 1262 } 1263 CPDF_Array* pDefaultArray = pCIDFontDict->GetArray("DW2"); 1264 if (pDefaultArray) { 1265 m_DefaultVY = pDefaultArray->GetInteger(0); 1266 m_DefaultW1 = pDefaultArray->GetInteger(1); 1267 } else { 1268 m_DefaultVY = 880; 1269 m_DefaultW1 = -1000; 1270 } 1271 } 1272 return TRUE; 1273 } 1274 1275 void CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, FX_RECT& rect, int level) { 1276 if (charcode < 256 && m_CharBBox[charcode].Right != -1) { 1277 rect.bottom = m_CharBBox[charcode].Bottom; 1278 rect.left = m_CharBBox[charcode].Left; 1279 rect.right = m_CharBBox[charcode].Right; 1280 rect.top = m_CharBBox[charcode].Top; 1281 return; 1282 } 1283 FX_BOOL bVert = FALSE; 1284 int glyph_index = GlyphFromCharCode(charcode, &bVert); 1285 FXFT_Face face = m_Font.GetFace(); 1286 if (face) { 1287 rect.left = rect.bottom = rect.right = rect.top = 0; 1288 if (FXFT_Is_Face_Tricky(face)) { 1289 int err = FXFT_Load_Glyph(face, glyph_index, 1290 FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); 1291 if (!err) { 1292 FXFT_BBox cbox; 1293 FXFT_Glyph glyph; 1294 err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph); 1295 if (!err) { 1296 FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); 1297 int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem; 1298 int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem; 1299 if (pixel_size_x == 0 || pixel_size_y == 0) { 1300 rect.left = cbox.xMin; 1301 rect.right = cbox.xMax; 1302 rect.top = cbox.yMax; 1303 rect.bottom = cbox.yMin; 1304 } else { 1305 rect.left = cbox.xMin * 1000 / pixel_size_x; 1306 rect.right = cbox.xMax * 1000 / pixel_size_x; 1307 rect.top = cbox.yMax * 1000 / pixel_size_y; 1308 rect.bottom = cbox.yMin * 1000 / pixel_size_y; 1309 } 1310 if (rect.top > FXFT_Get_Face_Ascender(face)) { 1311 rect.top = FXFT_Get_Face_Ascender(face); 1312 } 1313 if (rect.bottom < FXFT_Get_Face_Descender(face)) { 1314 rect.bottom = FXFT_Get_Face_Descender(face); 1315 } 1316 FXFT_Done_Glyph(glyph); 1317 } 1318 } 1319 } else { 1320 int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE); 1321 if (err == 0) { 1322 rect.left = TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face); 1323 rect.right = TT2PDF( 1324 FXFT_Get_Glyph_HoriBearingX(face) + FXFT_Get_Glyph_Width(face), 1325 face); 1326 rect.top = TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face); 1327 rect.top += rect.top / 64; 1328 rect.bottom = TT2PDF( 1329 FXFT_Get_Glyph_HoriBearingY(face) - FXFT_Get_Glyph_Height(face), 1330 face); 1331 } 1332 } 1333 } else { 1334 rect = FX_RECT(0, 0, 0, 0); 1335 } 1336 if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) { 1337 FX_WORD CID = CIDFromCharCode(charcode); 1338 const uint8_t* pTransform = GetCIDTransform(CID); 1339 if (pTransform && !bVert) { 1340 CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]), 1341 CIDTransformToFloat(pTransform[1]), 1342 CIDTransformToFloat(pTransform[2]), 1343 CIDTransformToFloat(pTransform[3]), 1344 CIDTransformToFloat(pTransform[4]) * 1000, 1345 CIDTransformToFloat(pTransform[5]) * 1000); 1346 CFX_FloatRect rect_f(rect); 1347 rect_f.Transform(&matrix); 1348 rect = rect_f.GetOutterRect(); 1349 } 1350 } 1351 if (charcode < 256) { 1352 m_CharBBox[charcode].Bottom = (short)rect.bottom; 1353 m_CharBBox[charcode].Left = (short)rect.left; 1354 m_CharBBox[charcode].Right = (short)rect.right; 1355 m_CharBBox[charcode].Top = (short)rect.top; 1356 } 1357 } 1358 int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) { 1359 if (m_pAnsiWidths && charcode < 0x80) { 1360 return m_pAnsiWidths[charcode]; 1361 } 1362 FX_WORD cid = CIDFromCharCode(charcode); 1363 int size = m_WidthList.GetSize(); 1364 FX_DWORD* list = m_WidthList.GetData(); 1365 for (int i = 0; i < size; i += 3) { 1366 if (cid >= list[i] && cid <= list[i + 1]) { 1367 return (int)list[i + 2]; 1368 } 1369 } 1370 return m_DefaultWidth; 1371 } 1372 short CPDF_CIDFont::GetVertWidth(FX_WORD CID) const { 1373 FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; 1374 if (vertsize == 0) { 1375 return m_DefaultW1; 1376 } 1377 const FX_DWORD* pTable = m_VertMetrics.GetData(); 1378 for (FX_DWORD i = 0; i < vertsize; i++) 1379 if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { 1380 return (short)(int)pTable[i * 5 + 2]; 1381 } 1382 return m_DefaultW1; 1383 } 1384 void CPDF_CIDFont::GetVertOrigin(FX_WORD CID, short& vx, short& vy) const { 1385 FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; 1386 if (vertsize) { 1387 const FX_DWORD* pTable = m_VertMetrics.GetData(); 1388 for (FX_DWORD i = 0; i < vertsize; i++) 1389 if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { 1390 vx = (short)(int)pTable[i * 5 + 3]; 1391 vy = (short)(int)pTable[i * 5 + 4]; 1392 return; 1393 } 1394 } 1395 FX_DWORD dwWidth = m_DefaultWidth; 1396 int size = m_WidthList.GetSize(); 1397 const FX_DWORD* list = m_WidthList.GetData(); 1398 for (int i = 0; i < size; i += 3) { 1399 if (CID >= list[i] && CID <= list[i + 1]) { 1400 dwWidth = (FX_WORD)list[i + 2]; 1401 break; 1402 } 1403 } 1404 vx = (short)dwWidth / 2; 1405 vy = (short)m_DefaultVY; 1406 } 1407 int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) { 1408 if (pVertGlyph) { 1409 *pVertGlyph = FALSE; 1410 } 1411 FXFT_Face face = m_Font.GetFace(); 1412 int index = FXFT_Get_Char_Index(face, unicode); 1413 if (unicode == 0x2502) { 1414 return index; 1415 } 1416 if (index && IsVertWriting()) { 1417 if (m_pTTGSUBTable) { 1418 uint32_t vindex = 0; 1419 m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); 1420 if (vindex) { 1421 index = vindex; 1422 if (pVertGlyph) { 1423 *pVertGlyph = TRUE; 1424 } 1425 } 1426 return index; 1427 } 1428 if (!m_Font.GetSubData()) { 1429 unsigned long length = 0; 1430 int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, 1431 NULL, &length); 1432 if (!error) { 1433 m_Font.SetSubData(FX_Alloc(uint8_t, length)); 1434 } 1435 } 1436 int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, 1437 m_Font.GetSubData(), NULL); 1438 if (!error && m_Font.GetSubData()) { 1439 m_pTTGSUBTable = new CFX_CTTGSUBTable; 1440 m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData()); 1441 uint32_t vindex = 0; 1442 m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); 1443 if (vindex) { 1444 index = vindex; 1445 if (pVertGlyph) { 1446 *pVertGlyph = TRUE; 1447 } 1448 } 1449 } 1450 return index; 1451 } 1452 if (pVertGlyph) { 1453 *pVertGlyph = FALSE; 1454 } 1455 return index; 1456 } 1457 int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { 1458 if (pVertGlyph) { 1459 *pVertGlyph = FALSE; 1460 } 1461 if (!m_pFontFile && !m_pCIDToGIDMap) { 1462 FX_WORD cid = CIDFromCharCode(charcode); 1463 FX_WCHAR unicode = 0; 1464 if (m_bCIDIsGID) { 1465 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ 1466 return cid; 1467 #else 1468 if (m_Flags & PDFFONT_SYMBOLIC) { 1469 return cid; 1470 } 1471 CFX_WideString uni_str = UnicodeFromCharCode(charcode); 1472 if (uni_str.IsEmpty()) { 1473 return cid; 1474 } 1475 unicode = uni_str.GetAt(0); 1476 #endif 1477 } else { 1478 if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) { 1479 unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid); 1480 } 1481 if (unicode == 0) { 1482 unicode = _UnicodeFromCharCode(charcode); 1483 } 1484 if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) { 1485 unicode = UnicodeFromCharCode(charcode).GetAt(0); 1486 } 1487 } 1488 FXFT_Face face = m_Font.GetFace(); 1489 if (unicode == 0) { 1490 if (!m_bAdobeCourierStd) { 1491 return charcode == 0 ? -1 : (int)charcode; 1492 } 1493 charcode += 31; 1494 int index = 0, iBaseEncoding; 1495 FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1); 1496 FX_BOOL bMacRoman = FALSE; 1497 if (!bMSUnicode) { 1498 bMacRoman = FT_UseTTCharmap(face, 1, 0); 1499 } 1500 iBaseEncoding = PDFFONT_ENCODING_STANDARD; 1501 if (bMSUnicode) { 1502 iBaseEncoding = PDFFONT_ENCODING_WINANSI; 1503 } else if (bMacRoman) { 1504 iBaseEncoding = PDFFONT_ENCODING_MACROMAN; 1505 } 1506 const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode); 1507 if (!name) { 1508 return charcode == 0 ? -1 : (int)charcode; 1509 } 1510 FX_WORD unicode = PDF_UnicodeFromAdobeName(name); 1511 if (unicode) { 1512 if (bMSUnicode) { 1513 index = FXFT_Get_Char_Index(face, unicode); 1514 } else if (bMacRoman) { 1515 FX_DWORD maccode = 1516 FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode); 1517 index = !maccode ? FXFT_Get_Name_Index(face, (char*)name) 1518 : FXFT_Get_Char_Index(face, maccode); 1519 } else { 1520 return FXFT_Get_Char_Index(face, unicode); 1521 } 1522 } else { 1523 return charcode == 0 ? -1 : (int)charcode; 1524 } 1525 if (index == 0 || index == 0xffff) { 1526 return charcode == 0 ? -1 : (int)charcode; 1527 } 1528 return index; 1529 } 1530 if (m_Charset == CIDSET_JAPAN1) { 1531 if (unicode == '\\') { 1532 unicode = '/'; 1533 } 1534 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ 1535 else if (unicode == 0xa5) { 1536 unicode = 0x5c; 1537 } 1538 #endif 1539 } 1540 if (!face) 1541 return unicode; 1542 1543 int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); 1544 if (err != 0) { 1545 int i; 1546 for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) { 1547 FX_DWORD ret = FT_CharCodeFromUnicode( 1548 FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]), 1549 (FX_WCHAR)charcode); 1550 if (ret == 0) { 1551 continue; 1552 } 1553 FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]); 1554 unicode = (FX_WCHAR)ret; 1555 break; 1556 } 1557 if (i == FXFT_Get_Face_CharmapCount(face) && i) { 1558 FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); 1559 unicode = (FX_WCHAR)charcode; 1560 } 1561 } 1562 if (FXFT_Get_Face_Charmap(face)) { 1563 int index = GetGlyphIndex(unicode, pVertGlyph); 1564 if (index == 0) 1565 return -1; 1566 return index; 1567 } 1568 return unicode; 1569 } 1570 if (!m_Font.GetFace()) 1571 return -1; 1572 1573 FX_WORD cid = CIDFromCharCode(charcode); 1574 if (m_bType1) { 1575 if (!m_pCIDToGIDMap) { 1576 return cid; 1577 } 1578 } else { 1579 if (!m_pCIDToGIDMap) { 1580 if (m_pFontFile && !m_pCMap->m_pMapping) 1581 return cid; 1582 if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || 1583 !FXFT_Get_Face_Charmap(m_Font.GetFace())) { 1584 return cid; 1585 } 1586 if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) == 1587 FXFT_ENCODING_UNICODE) { 1588 CFX_WideString unicode_str = UnicodeFromCharCode(charcode); 1589 if (unicode_str.IsEmpty()) { 1590 return -1; 1591 } 1592 charcode = unicode_str.GetAt(0); 1593 } 1594 return GetGlyphIndex(charcode, pVertGlyph); 1595 } 1596 } 1597 FX_DWORD byte_pos = cid * 2; 1598 if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) 1599 return -1; 1600 1601 const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos; 1602 return pdata[0] * 256 + pdata[1]; 1603 } 1604 FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString, 1605 int nStrLen, 1606 int& offset) const { 1607 return m_pCMap->GetNextChar(pString, nStrLen, offset); 1608 } 1609 int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const { 1610 return m_pCMap->GetCharSize(charcode); 1611 } 1612 int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const { 1613 return m_pCMap->CountChar(pString, size); 1614 } 1615 int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { 1616 return m_pCMap->AppendChar(str, charcode); 1617 } 1618 FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const { 1619 if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || 1620 !m_pCID2UnicodeMap->IsLoaded()) { 1621 return m_pCMap->m_Coding != CIDCODING_UNKNOWN; 1622 } 1623 return TRUE; 1624 } 1625 FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const { 1626 return TRUE; 1627 } 1628 void CPDF_CIDFont::LoadSubstFont() { 1629 m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, 1630 g_CharsetCPs[m_Charset], IsVertWriting()); 1631 } 1632 void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, 1633 CFX_DWordArray& result, 1634 int nElements) { 1635 int width_status = 0; 1636 int iCurElement = 0; 1637 int first_code = 0, last_code; 1638 FX_DWORD count = pArray->GetCount(); 1639 for (FX_DWORD i = 0; i < count; i++) { 1640 CPDF_Object* pObj = pArray->GetElementValue(i); 1641 if (!pObj) 1642 continue; 1643 1644 if (CPDF_Array* pArray = pObj->AsArray()) { 1645 if (width_status != 1) 1646 return; 1647 1648 FX_DWORD count = pArray->GetCount(); 1649 for (FX_DWORD j = 0; j < count; j += nElements) { 1650 result.Add(first_code); 1651 result.Add(first_code); 1652 for (int k = 0; k < nElements; k++) { 1653 result.Add(pArray->GetInteger(j + k)); 1654 } 1655 first_code++; 1656 } 1657 width_status = 0; 1658 } else { 1659 if (width_status == 0) { 1660 first_code = pObj->GetInteger(); 1661 width_status = 1; 1662 } else if (width_status == 1) { 1663 last_code = pObj->GetInteger(); 1664 width_status = 2; 1665 iCurElement = 0; 1666 } else { 1667 if (!iCurElement) { 1668 result.Add(first_code); 1669 result.Add(last_code); 1670 } 1671 result.Add(pObj->GetInteger()); 1672 iCurElement++; 1673 if (iCurElement == nElements) { 1674 width_status = 0; 1675 } 1676 } 1677 } 1678 } 1679 } 1680 1681 // static 1682 FX_FLOAT CPDF_CIDFont::CIDTransformToFloat(uint8_t ch) { 1683 if (ch < 128) { 1684 return ch * 1.0f / 127; 1685 } 1686 return (-255 + ch) * 1.0f / 127; 1687 } 1688 1689 FX_BOOL CPDF_CIDFont::LoadGB2312() { 1690 m_BaseFont = m_pFontDict->GetString("BaseFont"); 1691 CPDF_Dictionary* pFontDesc = m_pFontDict->GetDict("FontDescriptor"); 1692 if (pFontDesc) { 1693 LoadFontDescriptor(pFontDesc); 1694 } 1695 m_Charset = CIDSET_GB1; 1696 m_bType1 = FALSE; 1697 m_pCMap = CPDF_ModuleMgr::Get() 1698 ->GetPageModule() 1699 ->GetFontGlobals() 1700 ->m_CMapManager.GetPredefinedCMap("GBK-EUC-H", FALSE); 1701 m_pCID2UnicodeMap = CPDF_ModuleMgr::Get() 1702 ->GetPageModule() 1703 ->GetFontGlobals() 1704 ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE); 1705 if (!IsEmbedded()) { 1706 LoadSubstFont(); 1707 } 1708 CheckFontMetrics(); 1709 m_DefaultWidth = 1000; 1710 m_pAnsiWidths = FX_Alloc(FX_WORD, 128); 1711 for (int i = 32; i < 127; i++) { 1712 m_pAnsiWidths[i] = 500; 1713 } 1714 return TRUE; 1715 } 1716 1717 const uint8_t* CPDF_CIDFont::GetCIDTransform(FX_WORD CID) const { 1718 if (m_Charset != CIDSET_JAPAN1 || m_pFontFile) 1719 return nullptr; 1720 1721 const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch( 1722 &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs), 1723 sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform); 1724 return found ? &found->a : nullptr; 1725 } 1726
