| OLD | NEW |
| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "core/fpdfapi/fpdf_font/font_int.h" | 7 #include "core/fpdfapi/fpdf_font/font_int.h" |
| 8 | 8 |
| 9 #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" | 9 #include "core/fpdfapi/fpdf_cmaps/cmap_int.h" |
| 10 #include "core/fpdfapi/fpdf_font/ttgsubtable.h" | 10 #include "core/fpdfapi/fpdf_font/ttgsubtable.h" |
| 11 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" | 11 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" |
| 12 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" | 12 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" |
| 13 #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" | 13 #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" |
| 14 #include "core/fpdfapi/include/cpdf_modulemgr.h" | 14 #include "core/fpdfapi/include/cpdf_modulemgr.h" |
| 15 #include "core/include/fpdfapi/fpdf_resource.h" | |
| 16 #include "core/include/fxcrt/fx_ext.h" | 15 #include "core/include/fxcrt/fx_ext.h" |
| 17 #include "core/include/fxge/fx_freetype.h" | 16 #include "core/include/fxge/fx_freetype.h" |
| 18 #include "core/include/fxge/fx_ge.h" | 17 #include "core/include/fxge/fx_ge.h" |
| 19 | 18 |
| 20 namespace { | 19 namespace { |
| 21 | 20 |
| 22 const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = { | 21 const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = { |
| 23 nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"}; | 22 nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"}; |
| 24 | 23 |
| 25 const uint16_t g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200}; | |
| 26 | 24 |
| 27 class CPDF_PredefinedCMap { | 25 class CPDF_PredefinedCMap { |
| 28 public: | 26 public: |
| 29 const FX_CHAR* m_pName; | 27 const FX_CHAR* m_pName; |
| 30 CIDSet m_Charset; | 28 CIDSet m_Charset; |
| 31 CIDCoding m_Coding; | 29 CIDCoding m_Coding; |
| 32 CPDF_CMap::CodingScheme m_CodingScheme; | 30 CPDF_CMap::CodingScheme m_CodingScheme; |
| 33 uint8_t m_LeadingSegCount; | 31 uint8_t m_LeadingSegCount; |
| 34 uint8_t m_LeadingSegs[4]; | 32 uint8_t m_LeadingSegs[4]; |
| 35 }; | 33 }; |
| (...skipping 149 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 185 }; | 183 }; |
| 186 | 184 |
| 187 CIDSet CIDSetFromSizeT(size_t index) { | 185 CIDSet CIDSetFromSizeT(size_t index) { |
| 188 if (index >= CIDSET_NUM_SETS) { | 186 if (index >= CIDSET_NUM_SETS) { |
| 189 NOTREACHED(); | 187 NOTREACHED(); |
| 190 return CIDSET_UNKNOWN; | 188 return CIDSET_UNKNOWN; |
| 191 } | 189 } |
| 192 return static_cast<CIDSet>(index); | 190 return static_cast<CIDSet>(index); |
| 193 } | 191 } |
| 194 | 192 |
| 195 CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) { | |
| 196 for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) { | |
| 197 if (ordering == CFX_ByteStringC(g_CharsetNames[charset])) | |
| 198 return CIDSetFromSizeT(charset); | |
| 199 } | |
| 200 return CIDSET_UNKNOWN; | |
| 201 } | |
| 202 | |
| 203 CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) { | 193 CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) { |
| 204 return word.Mid(1, word.GetLength() - 2); | 194 return word.Mid(1, word.GetLength() - 2); |
| 205 } | 195 } |
| 206 | 196 |
| 207 int CompareDWORD(const void* data1, const void* data2) { | 197 int CompareDWORD(const void* data1, const void* data2) { |
| 208 return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2); | 198 return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2); |
| 209 } | 199 } |
| 210 | 200 |
| 211 int CompareCID(const void* key, const void* element) { | 201 int CompareCID(const void* key, const void* element) { |
| 212 if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) { | 202 if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) { |
| (...skipping 64 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 277 if (iChar == pRanges[iSeg].m_CharSize) | 267 if (iChar == pRanges[iSeg].m_CharSize) |
| 278 return size; | 268 return size; |
| 279 --iSeg; | 269 --iSeg; |
| 280 } | 270 } |
| 281 --size; | 271 --size; |
| 282 ++offset; | 272 ++offset; |
| 283 } | 273 } |
| 284 return 1; | 274 return 1; |
| 285 } | 275 } |
| 286 | 276 |
| 287 bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) { | |
| 288 switch (charset) { | |
| 289 case CIDSET_GB1: | |
| 290 case CIDSET_CNS1: | |
| 291 case CIDSET_JAPAN1: | |
| 292 case CIDSET_KOREA1: | |
| 293 return true; | |
| 294 | |
| 295 default: | |
| 296 return false; | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
| 301 FX_DWORD EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap, | |
| 302 CIDSet charset, | |
| 303 FX_WCHAR unicode) { | |
| 304 if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) | |
| 305 return 0; | |
| 306 | |
| 307 CPDF_FontGlobals* pFontGlobals = | |
| 308 CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); | |
| 309 const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; | |
| 310 if (!pCodes) | |
| 311 return 0; | |
| 312 | |
| 313 int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count; | |
| 314 for (int i = 0; i < nCodes; ++i) { | |
| 315 if (pCodes[i] == unicode) { | |
| 316 FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i); | |
| 317 if (CharCode != 0) { | |
| 318 return CharCode; | |
| 319 } | |
| 320 } | |
| 321 } | |
| 322 return 0; | |
| 323 } | |
| 324 #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
| 325 | |
| 326 FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap, | |
| 327 CIDSet charset, | |
| 328 FX_DWORD charcode) { | |
| 329 if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset)) | |
| 330 return 0; | |
| 331 | |
| 332 uint16_t cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode); | |
| 333 if (cid == 0) | |
| 334 return 0; | |
| 335 | |
| 336 CPDF_FontGlobals* pFontGlobals = | |
| 337 CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals(); | |
| 338 const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap; | |
| 339 if (!pCodes) | |
| 340 return 0; | |
| 341 | |
| 342 if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count) | |
| 343 return pCodes[cid]; | |
| 344 return 0; | |
| 345 } | |
| 346 | |
| 347 void FT_UseCIDCharmap(FXFT_Face face, int coding) { | |
| 348 int encoding; | |
| 349 switch (coding) { | |
| 350 case CIDCODING_GB: | |
| 351 encoding = FXFT_ENCODING_GB2312; | |
| 352 break; | |
| 353 case CIDCODING_BIG5: | |
| 354 encoding = FXFT_ENCODING_BIG5; | |
| 355 break; | |
| 356 case CIDCODING_JIS: | |
| 357 encoding = FXFT_ENCODING_SJIS; | |
| 358 break; | |
| 359 case CIDCODING_KOREA: | |
| 360 encoding = FXFT_ENCODING_JOHAB; | |
| 361 break; | |
| 362 default: | |
| 363 encoding = FXFT_ENCODING_UNICODE; | |
| 364 } | |
| 365 int err = FXFT_Select_Charmap(face, encoding); | |
| 366 if (err) { | |
| 367 err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); | |
| 368 } | |
| 369 if (err && FXFT_Get_Face_Charmaps(face)) { | |
| 370 FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face)); | |
| 371 } | |
| 372 } | |
| 373 | |
| 374 const struct CIDTransform { | |
| 375 uint16_t CID; | |
| 376 uint8_t a, b, c, d, e, f; | |
| 377 } g_Japan1_VertCIDs[] = { | |
| 378 {97, 129, 0, 0, 127, 55, 0}, {7887, 127, 0, 0, 127, 76, 89}, | |
| 379 {7888, 127, 0, 0, 127, 79, 94}, {7889, 0, 129, 127, 0, 17, 127}, | |
| 380 {7890, 0, 129, 127, 0, 17, 127}, {7891, 0, 129, 127, 0, 17, 127}, | |
| 381 {7892, 0, 129, 127, 0, 17, 127}, {7893, 0, 129, 127, 0, 17, 127}, | |
| 382 {7894, 0, 129, 127, 0, 17, 127}, {7895, 0, 129, 127, 0, 17, 127}, | |
| 383 {7896, 0, 129, 127, 0, 17, 127}, {7897, 0, 129, 127, 0, 17, 127}, | |
| 384 {7898, 0, 129, 127, 0, 17, 127}, {7899, 0, 129, 127, 0, 17, 104}, | |
| 385 {7900, 0, 129, 127, 0, 17, 127}, {7901, 0, 129, 127, 0, 17, 104}, | |
| 386 {7902, 0, 129, 127, 0, 17, 127}, {7903, 0, 129, 127, 0, 17, 127}, | |
| 387 {7904, 0, 129, 127, 0, 17, 127}, {7905, 0, 129, 127, 0, 17, 114}, | |
| 388 {7906, 0, 129, 127, 0, 17, 127}, {7907, 0, 129, 127, 0, 17, 127}, | |
| 389 {7908, 0, 129, 127, 0, 17, 127}, {7909, 0, 129, 127, 0, 17, 127}, | |
| 390 {7910, 0, 129, 127, 0, 17, 127}, {7911, 0, 129, 127, 0, 17, 127}, | |
| 391 {7912, 0, 129, 127, 0, 17, 127}, {7913, 0, 129, 127, 0, 17, 127}, | |
| 392 {7914, 0, 129, 127, 0, 17, 127}, {7915, 0, 129, 127, 0, 17, 114}, | |
| 393 {7916, 0, 129, 127, 0, 17, 127}, {7917, 0, 129, 127, 0, 17, 127}, | |
| 394 {7918, 127, 0, 0, 127, 18, 25}, {7919, 127, 0, 0, 127, 18, 25}, | |
| 395 {7920, 127, 0, 0, 127, 18, 25}, {7921, 127, 0, 0, 127, 18, 25}, | |
| 396 {7922, 127, 0, 0, 127, 18, 25}, {7923, 127, 0, 0, 127, 18, 25}, | |
| 397 {7924, 127, 0, 0, 127, 18, 25}, {7925, 127, 0, 0, 127, 18, 25}, | |
| 398 {7926, 127, 0, 0, 127, 18, 25}, {7927, 127, 0, 0, 127, 18, 25}, | |
| 399 {7928, 127, 0, 0, 127, 18, 25}, {7929, 127, 0, 0, 127, 18, 25}, | |
| 400 {7930, 127, 0, 0, 127, 18, 25}, {7931, 127, 0, 0, 127, 18, 25}, | |
| 401 {7932, 127, 0, 0, 127, 18, 25}, {7933, 127, 0, 0, 127, 18, 25}, | |
| 402 {7934, 127, 0, 0, 127, 18, 25}, {7935, 127, 0, 0, 127, 18, 25}, | |
| 403 {7936, 127, 0, 0, 127, 18, 25}, {7937, 127, 0, 0, 127, 18, 25}, | |
| 404 {7938, 127, 0, 0, 127, 18, 25}, {7939, 127, 0, 0, 127, 18, 25}, | |
| 405 {8720, 0, 129, 127, 0, 19, 102}, {8721, 0, 129, 127, 0, 13, 127}, | |
| 406 {8722, 0, 129, 127, 0, 19, 108}, {8723, 0, 129, 127, 0, 19, 102}, | |
| 407 {8724, 0, 129, 127, 0, 19, 102}, {8725, 0, 129, 127, 0, 19, 102}, | |
| 408 {8726, 0, 129, 127, 0, 19, 102}, {8727, 0, 129, 127, 0, 19, 102}, | |
| 409 {8728, 0, 129, 127, 0, 19, 114}, {8729, 0, 129, 127, 0, 19, 114}, | |
| 410 {8730, 0, 129, 127, 0, 38, 108}, {8731, 0, 129, 127, 0, 13, 108}, | |
| 411 {8732, 0, 129, 127, 0, 19, 108}, {8733, 0, 129, 127, 0, 19, 108}, | |
| 412 {8734, 0, 129, 127, 0, 19, 108}, {8735, 0, 129, 127, 0, 19, 108}, | |
| 413 {8736, 0, 129, 127, 0, 19, 102}, {8737, 0, 129, 127, 0, 19, 102}, | |
| 414 {8738, 0, 129, 127, 0, 19, 102}, {8739, 0, 129, 127, 0, 19, 102}, | |
| 415 {8740, 0, 129, 127, 0, 19, 102}, {8741, 0, 129, 127, 0, 19, 102}, | |
| 416 {8742, 0, 129, 127, 0, 19, 102}, {8743, 0, 129, 127, 0, 19, 102}, | |
| 417 {8744, 0, 129, 127, 0, 19, 102}, {8745, 0, 129, 127, 0, 19, 102}, | |
| 418 {8746, 0, 129, 127, 0, 19, 114}, {8747, 0, 129, 127, 0, 19, 114}, | |
| 419 {8748, 0, 129, 127, 0, 19, 102}, {8749, 0, 129, 127, 0, 19, 102}, | |
| 420 {8750, 0, 129, 127, 0, 19, 102}, {8751, 0, 129, 127, 0, 19, 102}, | |
| 421 {8752, 0, 129, 127, 0, 19, 102}, {8753, 0, 129, 127, 0, 19, 102}, | |
| 422 {8754, 0, 129, 127, 0, 19, 102}, {8755, 0, 129, 127, 0, 19, 102}, | |
| 423 {8756, 0, 129, 127, 0, 19, 102}, {8757, 0, 129, 127, 0, 19, 102}, | |
| 424 {8758, 0, 129, 127, 0, 19, 102}, {8759, 0, 129, 127, 0, 19, 102}, | |
| 425 {8760, 0, 129, 127, 0, 19, 102}, {8761, 0, 129, 127, 0, 19, 102}, | |
| 426 {8762, 0, 129, 127, 0, 19, 102}, {8763, 0, 129, 127, 0, 19, 102}, | |
| 427 {8764, 0, 129, 127, 0, 19, 102}, {8765, 0, 129, 127, 0, 19, 102}, | |
| 428 {8766, 0, 129, 127, 0, 19, 102}, {8767, 0, 129, 127, 0, 19, 102}, | |
| 429 {8768, 0, 129, 127, 0, 19, 102}, {8769, 0, 129, 127, 0, 19, 102}, | |
| 430 {8770, 0, 129, 127, 0, 19, 102}, {8771, 0, 129, 127, 0, 19, 102}, | |
| 431 {8772, 0, 129, 127, 0, 19, 102}, {8773, 0, 129, 127, 0, 19, 102}, | |
| 432 {8774, 0, 129, 127, 0, 19, 102}, {8775, 0, 129, 127, 0, 19, 102}, | |
| 433 {8776, 0, 129, 127, 0, 19, 102}, {8777, 0, 129, 127, 0, 19, 102}, | |
| 434 {8778, 0, 129, 127, 0, 19, 102}, {8779, 0, 129, 127, 0, 19, 114}, | |
| 435 {8780, 0, 129, 127, 0, 19, 108}, {8781, 0, 129, 127, 0, 19, 114}, | |
| 436 {8782, 0, 129, 127, 0, 13, 114}, {8783, 0, 129, 127, 0, 19, 108}, | |
| 437 {8784, 0, 129, 127, 0, 13, 114}, {8785, 0, 129, 127, 0, 19, 108}, | |
| 438 {8786, 0, 129, 127, 0, 19, 108}, {8787, 0, 129, 127, 0, 19, 108}, | |
| 439 {8788, 0, 129, 127, 0, 19, 108}, {8789, 0, 129, 127, 0, 19, 108}, | |
| 440 {8790, 0, 129, 127, 0, 19, 108}, {8791, 0, 129, 127, 0, 19, 108}, | |
| 441 {8792, 0, 129, 127, 0, 19, 108}, {8793, 0, 129, 127, 0, 19, 108}, | |
| 442 {8794, 0, 129, 127, 0, 19, 108}, {8795, 0, 129, 127, 0, 19, 108}, | |
| 443 {8796, 0, 129, 127, 0, 19, 108}, {8797, 0, 129, 127, 0, 19, 108}, | |
| 444 {8798, 0, 129, 127, 0, 19, 108}, {8799, 0, 129, 127, 0, 19, 108}, | |
| 445 {8800, 0, 129, 127, 0, 19, 108}, {8801, 0, 129, 127, 0, 19, 108}, | |
| 446 {8802, 0, 129, 127, 0, 19, 108}, {8803, 0, 129, 127, 0, 19, 108}, | |
| 447 {8804, 0, 129, 127, 0, 19, 108}, {8805, 0, 129, 127, 0, 19, 108}, | |
| 448 {8806, 0, 129, 127, 0, 19, 108}, {8807, 0, 129, 127, 0, 19, 108}, | |
| 449 {8808, 0, 129, 127, 0, 19, 108}, {8809, 0, 129, 127, 0, 19, 108}, | |
| 450 {8810, 0, 129, 127, 0, 19, 108}, {8811, 0, 129, 127, 0, 19, 114}, | |
| 451 {8812, 0, 129, 127, 0, 19, 102}, {8813, 0, 129, 127, 0, 19, 114}, | |
| 452 {8814, 0, 129, 127, 0, 76, 102}, {8815, 0, 129, 127, 0, 13, 121}, | |
| 453 {8816, 0, 129, 127, 0, 19, 114}, {8817, 0, 129, 127, 0, 19, 127}, | |
| 454 {8818, 0, 129, 127, 0, 19, 114}, {8819, 0, 129, 127, 0, 218, 108}, | |
| 455 }; | |
| 456 | |
| 457 int CompareCIDTransform(const void* key, const void* element) { | |
| 458 uint16_t CID = *static_cast<const uint16_t*>(key); | |
| 459 return CID - static_cast<const struct CIDTransform*>(element)->CID; | |
| 460 } | |
| 461 | |
| 462 } // namespace | 277 } // namespace |
| 463 | 278 |
| 464 CPDF_CMapManager::CPDF_CMapManager() { | 279 CPDF_CMapManager::CPDF_CMapManager() { |
| 465 m_bPrompted = FALSE; | 280 m_bPrompted = FALSE; |
| 466 FXSYS_memset(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps); | 281 FXSYS_memset(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps); |
| 467 } | 282 } |
| 468 CPDF_CMapManager::~CPDF_CMapManager() { | 283 CPDF_CMapManager::~CPDF_CMapManager() { |
| 469 for (const auto& pair : m_CMaps) { | 284 for (const auto& pair : m_CMaps) { |
| 470 delete pair.second; | 285 delete pair.second; |
| 471 } | 286 } |
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| 966 return 0; | 781 return 0; |
| 967 } | 782 } |
| 968 | 783 |
| 969 void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, | 784 void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr, |
| 970 CIDSet charset, | 785 CIDSet charset, |
| 971 FX_BOOL bPromptCJK) { | 786 FX_BOOL bPromptCJK) { |
| 972 m_Charset = charset; | 787 m_Charset = charset; |
| 973 FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount); | 788 FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount); |
| 974 } | 789 } |
| 975 | 790 |
| 976 CPDF_CIDFont::CPDF_CIDFont() | 791 CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) { |
| 977 : m_pCMap(nullptr), | 792 for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) { |
| 978 m_pAllocatedCMap(nullptr), | 793 if (ordering == CFX_ByteStringC(g_CharsetNames[charset])) |
| 979 m_pCID2UnicodeMap(nullptr), | 794 return CIDSetFromSizeT(charset); |
| 980 m_pCIDToGIDMap(nullptr), | |
| 981 m_bCIDIsGID(FALSE), | |
| 982 m_pAnsiWidths(nullptr), | |
| 983 m_bAdobeCourierStd(FALSE), | |
| 984 m_pTTGSUBTable(nullptr) {} | |
| 985 | |
| 986 CPDF_CIDFont::~CPDF_CIDFont() { | |
| 987 if (m_pAnsiWidths) { | |
| 988 FX_Free(m_pAnsiWidths); | |
| 989 } | 795 } |
| 990 delete m_pAllocatedCMap; | 796 return CIDSET_UNKNOWN; |
| 991 delete m_pCIDToGIDMap; | |
| 992 delete m_pTTGSUBTable; | |
| 993 } | 797 } |
| 994 | |
| 995 bool CPDF_CIDFont::IsCIDFont() const { | |
| 996 return true; | |
| 997 } | |
| 998 | |
| 999 const CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() const { | |
| 1000 return this; | |
| 1001 } | |
| 1002 | |
| 1003 CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() { | |
| 1004 return this; | |
| 1005 } | |
| 1006 | |
| 1007 uint16_t CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const { | |
| 1008 if (!m_pCMap) { | |
| 1009 return (uint16_t)charcode; | |
| 1010 } | |
| 1011 return m_pCMap->CIDFromCharCode(charcode); | |
| 1012 } | |
| 1013 | |
| 1014 FX_BOOL CPDF_CIDFont::IsVertWriting() const { | |
| 1015 return m_pCMap ? m_pCMap->IsVertWriting() : FALSE; | |
| 1016 } | |
| 1017 | |
| 1018 CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(FX_DWORD charcode) const { | |
| 1019 CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode); | |
| 1020 if (!str.IsEmpty()) | |
| 1021 return str; | |
| 1022 FX_WCHAR ret = GetUnicodeFromCharCode(charcode); | |
| 1023 if (ret == 0) | |
| 1024 return CFX_WideString(); | |
| 1025 return ret; | |
| 1026 } | |
| 1027 | |
| 1028 FX_WCHAR CPDF_CIDFont::GetUnicodeFromCharCode(FX_DWORD charcode) const { | |
| 1029 switch (m_pCMap->m_Coding) { | |
| 1030 case CIDCODING_UCS2: | |
| 1031 case CIDCODING_UTF16: | |
| 1032 return (FX_WCHAR)charcode; | |
| 1033 case CIDCODING_CID: | |
| 1034 if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { | |
| 1035 return 0; | |
| 1036 } | |
| 1037 return m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)charcode); | |
| 1038 } | |
| 1039 if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || | |
| 1040 !m_pCID2UnicodeMap->IsLoaded()) { | |
| 1041 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
| 1042 FX_WCHAR unicode; | |
| 1043 int charsize = 1; | |
| 1044 if (charcode > 255) { | |
| 1045 charcode = (charcode % 256) * 256 + (charcode / 256); | |
| 1046 charsize = 2; | |
| 1047 } | |
| 1048 int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0, | |
| 1049 (const FX_CHAR*)&charcode, charsize, | |
| 1050 &unicode, 1); | |
| 1051 if (ret != 1) { | |
| 1052 return 0; | |
| 1053 } | |
| 1054 return unicode; | |
| 1055 #endif | |
| 1056 if (m_pCMap->m_pEmbedMap) { | |
| 1057 return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap, | |
| 1058 m_pCMap->m_Charset, charcode); | |
| 1059 } | |
| 1060 return 0; | |
| 1061 } | |
| 1062 return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode)); | |
| 1063 } | |
| 1064 | |
| 1065 FX_DWORD CPDF_CIDFont::CharCodeFromUnicode(FX_WCHAR unicode) const { | |
| 1066 FX_DWORD charcode = CPDF_Font::CharCodeFromUnicode(unicode); | |
| 1067 if (charcode) | |
| 1068 return charcode; | |
| 1069 switch (m_pCMap->m_Coding) { | |
| 1070 case CIDCODING_UNKNOWN: | |
| 1071 return 0; | |
| 1072 case CIDCODING_UCS2: | |
| 1073 case CIDCODING_UTF16: | |
| 1074 return unicode; | |
| 1075 case CIDCODING_CID: { | |
| 1076 if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) { | |
| 1077 return 0; | |
| 1078 } | |
| 1079 FX_DWORD CID = 0; | |
| 1080 while (CID < 65536) { | |
| 1081 FX_WCHAR this_unicode = | |
| 1082 m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)CID); | |
| 1083 if (this_unicode == unicode) { | |
| 1084 return CID; | |
| 1085 } | |
| 1086 CID++; | |
| 1087 } | |
| 1088 break; | |
| 1089 } | |
| 1090 } | |
| 1091 | |
| 1092 if (unicode < 0x80) { | |
| 1093 return static_cast<FX_DWORD>(unicode); | |
| 1094 } | |
| 1095 if (m_pCMap->m_Coding == CIDCODING_CID) { | |
| 1096 return 0; | |
| 1097 } | |
| 1098 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | |
| 1099 uint8_t buffer[32]; | |
| 1100 int ret = | |
| 1101 FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1, | |
| 1102 (char*)buffer, 4, NULL, NULL); | |
| 1103 if (ret == 1) { | |
| 1104 return buffer[0]; | |
| 1105 } | |
| 1106 if (ret == 2) { | |
| 1107 return buffer[0] * 256 + buffer[1]; | |
| 1108 } | |
| 1109 #else | |
| 1110 if (m_pCMap->m_pEmbedMap) { | |
| 1111 return EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset, | |
| 1112 unicode); | |
| 1113 } | |
| 1114 #endif | |
| 1115 return 0; | |
| 1116 } | |
| 1117 | |
| 1118 FX_BOOL CPDF_CIDFont::Load() { | |
| 1119 if (m_pFontDict->GetStringBy("Subtype") == "TrueType") { | |
| 1120 return LoadGB2312(); | |
| 1121 } | |
| 1122 CPDF_Array* pFonts = m_pFontDict->GetArrayBy("DescendantFonts"); | |
| 1123 if (!pFonts) { | |
| 1124 return FALSE; | |
| 1125 } | |
| 1126 if (pFonts->GetCount() != 1) { | |
| 1127 return FALSE; | |
| 1128 } | |
| 1129 CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0); | |
| 1130 if (!pCIDFontDict) { | |
| 1131 return FALSE; | |
| 1132 } | |
| 1133 m_BaseFont = pCIDFontDict->GetStringBy("BaseFont"); | |
| 1134 if ((m_BaseFont.Compare("CourierStd") == 0 || | |
| 1135 m_BaseFont.Compare("CourierStd-Bold") == 0 || | |
| 1136 m_BaseFont.Compare("CourierStd-BoldOblique") == 0 || | |
| 1137 m_BaseFont.Compare("CourierStd-Oblique") == 0) && | |
| 1138 !IsEmbedded()) { | |
| 1139 m_bAdobeCourierStd = TRUE; | |
| 1140 } | |
| 1141 CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictBy("FontDescriptor"); | |
| 1142 if (pFontDesc) { | |
| 1143 LoadFontDescriptor(pFontDesc); | |
| 1144 } | |
| 1145 CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding"); | |
| 1146 if (!pEncoding) { | |
| 1147 return FALSE; | |
| 1148 } | |
| 1149 CFX_ByteString subtype = pCIDFontDict->GetStringBy("Subtype"); | |
| 1150 m_bType1 = (subtype == "CIDFontType0"); | |
| 1151 | |
| 1152 if (pEncoding->IsName()) { | |
| 1153 CFX_ByteString cmap = pEncoding->GetString(); | |
| 1154 m_pCMap = | |
| 1155 CPDF_ModuleMgr::Get() | |
| 1156 ->GetPageModule() | |
| 1157 ->GetFontGlobals() | |
| 1158 ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1); | |
| 1159 } else if (CPDF_Stream* pStream = pEncoding->AsStream()) { | |
| 1160 m_pAllocatedCMap = m_pCMap = new CPDF_CMap; | |
| 1161 CPDF_StreamAcc acc; | |
| 1162 acc.LoadAllData(pStream, FALSE); | |
| 1163 m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); | |
| 1164 } else { | |
| 1165 return FALSE; | |
| 1166 } | |
| 1167 if (!m_pCMap) { | |
| 1168 return FALSE; | |
| 1169 } | |
| 1170 m_Charset = m_pCMap->m_Charset; | |
| 1171 if (m_Charset == CIDSET_UNKNOWN) { | |
| 1172 CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictBy("CIDSystemInfo"); | |
| 1173 if (pCIDInfo) { | |
| 1174 m_Charset = CharsetFromOrdering(pCIDInfo->GetStringBy("Ordering")); | |
| 1175 } | |
| 1176 } | |
| 1177 if (m_Charset != CIDSET_UNKNOWN) | |
| 1178 m_pCID2UnicodeMap = | |
| 1179 CPDF_ModuleMgr::Get() | |
| 1180 ->GetPageModule() | |
| 1181 ->GetFontGlobals() | |
| 1182 ->m_CMapManager.GetCID2UnicodeMap( | |
| 1183 m_Charset, | |
| 1184 !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID || | |
| 1185 pCIDFontDict->KeyExist("W"))); | |
| 1186 if (m_Font.GetFace()) { | |
| 1187 if (m_bType1) { | |
| 1188 FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE); | |
| 1189 } else { | |
| 1190 FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding); | |
| 1191 } | |
| 1192 } | |
| 1193 m_DefaultWidth = pCIDFontDict->GetIntegerBy("DW", 1000); | |
| 1194 CPDF_Array* pWidthArray = pCIDFontDict->GetArrayBy("W"); | |
| 1195 if (pWidthArray) { | |
| 1196 LoadMetricsArray(pWidthArray, m_WidthList, 1); | |
| 1197 } | |
| 1198 if (!IsEmbedded()) { | |
| 1199 LoadSubstFont(); | |
| 1200 } | |
| 1201 if (1) { | |
| 1202 if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { | |
| 1203 CPDF_Object* pmap = pCIDFontDict->GetElementValue("CIDToGIDMap"); | |
| 1204 if (pmap) { | |
| 1205 if (CPDF_Stream* pStream = pmap->AsStream()) { | |
| 1206 m_pCIDToGIDMap = new CPDF_StreamAcc; | |
| 1207 m_pCIDToGIDMap->LoadAllData(pStream, FALSE); | |
| 1208 } else if (pmap->GetString() == "Identity") { | |
| 1209 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
| 1210 if (m_pFontFile) { | |
| 1211 m_bCIDIsGID = TRUE; | |
| 1212 } | |
| 1213 #else | |
| 1214 m_bCIDIsGID = TRUE; | |
| 1215 #endif | |
| 1216 } | |
| 1217 } | |
| 1218 } | |
| 1219 } | |
| 1220 CheckFontMetrics(); | |
| 1221 if (IsVertWriting()) { | |
| 1222 pWidthArray = pCIDFontDict->GetArrayBy("W2"); | |
| 1223 if (pWidthArray) { | |
| 1224 LoadMetricsArray(pWidthArray, m_VertMetrics, 3); | |
| 1225 } | |
| 1226 CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayBy("DW2"); | |
| 1227 if (pDefaultArray) { | |
| 1228 m_DefaultVY = pDefaultArray->GetIntegerAt(0); | |
| 1229 m_DefaultW1 = pDefaultArray->GetIntegerAt(1); | |
| 1230 } else { | |
| 1231 m_DefaultVY = 880; | |
| 1232 m_DefaultW1 = -1000; | |
| 1233 } | |
| 1234 } | |
| 1235 return TRUE; | |
| 1236 } | |
| 1237 | |
| 1238 FX_RECT CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, int level) { | |
| 1239 if (charcode < 256 && m_CharBBox[charcode].right != FX_SMALL_RECT::kInvalid) | |
| 1240 return FX_RECT(m_CharBBox[charcode]); | |
| 1241 | |
| 1242 FX_RECT rect; | |
| 1243 FX_BOOL bVert = FALSE; | |
| 1244 int glyph_index = GlyphFromCharCode(charcode, &bVert); | |
| 1245 FXFT_Face face = m_Font.GetFace(); | |
| 1246 if (face) { | |
| 1247 if (FXFT_Is_Face_Tricky(face)) { | |
| 1248 int err = FXFT_Load_Glyph(face, glyph_index, | |
| 1249 FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH); | |
| 1250 if (!err) { | |
| 1251 FXFT_BBox cbox; | |
| 1252 FXFT_Glyph glyph; | |
| 1253 err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph); | |
| 1254 if (!err) { | |
| 1255 FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox); | |
| 1256 int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem; | |
| 1257 int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem; | |
| 1258 if (pixel_size_x == 0 || pixel_size_y == 0) { | |
| 1259 rect = FX_RECT(cbox.xMin, cbox.yMax, cbox.xMax, cbox.yMin); | |
| 1260 } else { | |
| 1261 rect = FX_RECT(cbox.xMin * 1000 / pixel_size_x, | |
| 1262 cbox.yMax * 1000 / pixel_size_y, | |
| 1263 cbox.xMax * 1000 / pixel_size_x, | |
| 1264 cbox.yMin * 1000 / pixel_size_y); | |
| 1265 } | |
| 1266 if (rect.top > FXFT_Get_Face_Ascender(face)) { | |
| 1267 rect.top = FXFT_Get_Face_Ascender(face); | |
| 1268 } | |
| 1269 if (rect.bottom < FXFT_Get_Face_Descender(face)) { | |
| 1270 rect.bottom = FXFT_Get_Face_Descender(face); | |
| 1271 } | |
| 1272 FXFT_Done_Glyph(glyph); | |
| 1273 } | |
| 1274 } | |
| 1275 } else { | |
| 1276 int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE); | |
| 1277 if (err == 0) { | |
| 1278 rect = FX_RECT(TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face), | |
| 1279 TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face), | |
| 1280 TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) + | |
| 1281 FXFT_Get_Glyph_Width(face), | |
| 1282 face), | |
| 1283 TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) - | |
| 1284 FXFT_Get_Glyph_Height(face), | |
| 1285 face)); | |
| 1286 rect.top += rect.top / 64; | |
| 1287 } | |
| 1288 } | |
| 1289 } | |
| 1290 if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) { | |
| 1291 uint16_t CID = CIDFromCharCode(charcode); | |
| 1292 const uint8_t* pTransform = GetCIDTransform(CID); | |
| 1293 if (pTransform && !bVert) { | |
| 1294 CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]), | |
| 1295 CIDTransformToFloat(pTransform[1]), | |
| 1296 CIDTransformToFloat(pTransform[2]), | |
| 1297 CIDTransformToFloat(pTransform[3]), | |
| 1298 CIDTransformToFloat(pTransform[4]) * 1000, | |
| 1299 CIDTransformToFloat(pTransform[5]) * 1000); | |
| 1300 CFX_FloatRect rect_f(rect); | |
| 1301 rect_f.Transform(&matrix); | |
| 1302 rect = rect_f.GetOutterRect(); | |
| 1303 } | |
| 1304 } | |
| 1305 if (charcode < 256) | |
| 1306 m_CharBBox[charcode] = rect.ToSmallRect(); | |
| 1307 | |
| 1308 return rect; | |
| 1309 } | |
| 1310 int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) { | |
| 1311 if (m_pAnsiWidths && charcode < 0x80) { | |
| 1312 return m_pAnsiWidths[charcode]; | |
| 1313 } | |
| 1314 uint16_t cid = CIDFromCharCode(charcode); | |
| 1315 int size = m_WidthList.GetSize(); | |
| 1316 FX_DWORD* list = m_WidthList.GetData(); | |
| 1317 for (int i = 0; i < size; i += 3) { | |
| 1318 if (cid >= list[i] && cid <= list[i + 1]) { | |
| 1319 return (int)list[i + 2]; | |
| 1320 } | |
| 1321 } | |
| 1322 return m_DefaultWidth; | |
| 1323 } | |
| 1324 short CPDF_CIDFont::GetVertWidth(uint16_t CID) const { | |
| 1325 FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; | |
| 1326 if (vertsize == 0) { | |
| 1327 return m_DefaultW1; | |
| 1328 } | |
| 1329 const FX_DWORD* pTable = m_VertMetrics.GetData(); | |
| 1330 for (FX_DWORD i = 0; i < vertsize; i++) | |
| 1331 if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { | |
| 1332 return (short)(int)pTable[i * 5 + 2]; | |
| 1333 } | |
| 1334 return m_DefaultW1; | |
| 1335 } | |
| 1336 void CPDF_CIDFont::GetVertOrigin(uint16_t CID, short& vx, short& vy) const { | |
| 1337 FX_DWORD vertsize = m_VertMetrics.GetSize() / 5; | |
| 1338 if (vertsize) { | |
| 1339 const FX_DWORD* pTable = m_VertMetrics.GetData(); | |
| 1340 for (FX_DWORD i = 0; i < vertsize; i++) | |
| 1341 if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) { | |
| 1342 vx = (short)(int)pTable[i * 5 + 3]; | |
| 1343 vy = (short)(int)pTable[i * 5 + 4]; | |
| 1344 return; | |
| 1345 } | |
| 1346 } | |
| 1347 FX_DWORD dwWidth = m_DefaultWidth; | |
| 1348 int size = m_WidthList.GetSize(); | |
| 1349 const FX_DWORD* list = m_WidthList.GetData(); | |
| 1350 for (int i = 0; i < size; i += 3) { | |
| 1351 if (CID >= list[i] && CID <= list[i + 1]) { | |
| 1352 dwWidth = (uint16_t)list[i + 2]; | |
| 1353 break; | |
| 1354 } | |
| 1355 } | |
| 1356 vx = (short)dwWidth / 2; | |
| 1357 vy = (short)m_DefaultVY; | |
| 1358 } | |
| 1359 int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) { | |
| 1360 if (pVertGlyph) { | |
| 1361 *pVertGlyph = FALSE; | |
| 1362 } | |
| 1363 FXFT_Face face = m_Font.GetFace(); | |
| 1364 int index = FXFT_Get_Char_Index(face, unicode); | |
| 1365 if (unicode == 0x2502) { | |
| 1366 return index; | |
| 1367 } | |
| 1368 if (index && IsVertWriting()) { | |
| 1369 if (m_pTTGSUBTable) { | |
| 1370 uint32_t vindex = 0; | |
| 1371 m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); | |
| 1372 if (vindex) { | |
| 1373 index = vindex; | |
| 1374 if (pVertGlyph) { | |
| 1375 *pVertGlyph = TRUE; | |
| 1376 } | |
| 1377 } | |
| 1378 return index; | |
| 1379 } | |
| 1380 if (!m_Font.GetSubData()) { | |
| 1381 unsigned long length = 0; | |
| 1382 int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, | |
| 1383 NULL, &length); | |
| 1384 if (!error) { | |
| 1385 m_Font.SetSubData(FX_Alloc(uint8_t, length)); | |
| 1386 } | |
| 1387 } | |
| 1388 int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, | |
| 1389 m_Font.GetSubData(), NULL); | |
| 1390 if (!error && m_Font.GetSubData()) { | |
| 1391 m_pTTGSUBTable = new CFX_CTTGSUBTable; | |
| 1392 m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData()); | |
| 1393 uint32_t vindex = 0; | |
| 1394 m_pTTGSUBTable->GetVerticalGlyph(index, &vindex); | |
| 1395 if (vindex) { | |
| 1396 index = vindex; | |
| 1397 if (pVertGlyph) { | |
| 1398 *pVertGlyph = TRUE; | |
| 1399 } | |
| 1400 } | |
| 1401 } | |
| 1402 return index; | |
| 1403 } | |
| 1404 if (pVertGlyph) { | |
| 1405 *pVertGlyph = FALSE; | |
| 1406 } | |
| 1407 return index; | |
| 1408 } | |
| 1409 int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) { | |
| 1410 if (pVertGlyph) { | |
| 1411 *pVertGlyph = FALSE; | |
| 1412 } | |
| 1413 if (!m_pFontFile && !m_pCIDToGIDMap) { | |
| 1414 uint16_t cid = CIDFromCharCode(charcode); | |
| 1415 FX_WCHAR unicode = 0; | |
| 1416 if (m_bCIDIsGID) { | |
| 1417 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ | |
| 1418 return cid; | |
| 1419 #else | |
| 1420 if (m_Flags & PDFFONT_SYMBOLIC) { | |
| 1421 return cid; | |
| 1422 } | |
| 1423 CFX_WideString uni_str = UnicodeFromCharCode(charcode); | |
| 1424 if (uni_str.IsEmpty()) { | |
| 1425 return cid; | |
| 1426 } | |
| 1427 unicode = uni_str.GetAt(0); | |
| 1428 #endif | |
| 1429 } else { | |
| 1430 if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) { | |
| 1431 unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid); | |
| 1432 } | |
| 1433 if (unicode == 0) { | |
| 1434 unicode = GetUnicodeFromCharCode(charcode); | |
| 1435 } | |
| 1436 if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) { | |
| 1437 unicode = UnicodeFromCharCode(charcode).GetAt(0); | |
| 1438 } | |
| 1439 } | |
| 1440 FXFT_Face face = m_Font.GetFace(); | |
| 1441 if (unicode == 0) { | |
| 1442 if (!m_bAdobeCourierStd) { | |
| 1443 return charcode == 0 ? -1 : (int)charcode; | |
| 1444 } | |
| 1445 charcode += 31; | |
| 1446 int index = 0, iBaseEncoding; | |
| 1447 FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1); | |
| 1448 FX_BOOL bMacRoman = FALSE; | |
| 1449 if (!bMSUnicode) { | |
| 1450 bMacRoman = FT_UseTTCharmap(face, 1, 0); | |
| 1451 } | |
| 1452 iBaseEncoding = PDFFONT_ENCODING_STANDARD; | |
| 1453 if (bMSUnicode) { | |
| 1454 iBaseEncoding = PDFFONT_ENCODING_WINANSI; | |
| 1455 } else if (bMacRoman) { | |
| 1456 iBaseEncoding = PDFFONT_ENCODING_MACROMAN; | |
| 1457 } | |
| 1458 const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode); | |
| 1459 if (!name) { | |
| 1460 return charcode == 0 ? -1 : (int)charcode; | |
| 1461 } | |
| 1462 uint16_t unicode = PDF_UnicodeFromAdobeName(name); | |
| 1463 if (unicode) { | |
| 1464 if (bMSUnicode) { | |
| 1465 index = FXFT_Get_Char_Index(face, unicode); | |
| 1466 } else if (bMacRoman) { | |
| 1467 FX_DWORD maccode = | |
| 1468 FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode); | |
| 1469 index = !maccode ? FXFT_Get_Name_Index(face, (char*)name) | |
| 1470 : FXFT_Get_Char_Index(face, maccode); | |
| 1471 } else { | |
| 1472 return FXFT_Get_Char_Index(face, unicode); | |
| 1473 } | |
| 1474 } else { | |
| 1475 return charcode == 0 ? -1 : (int)charcode; | |
| 1476 } | |
| 1477 if (index == 0 || index == 0xffff) { | |
| 1478 return charcode == 0 ? -1 : (int)charcode; | |
| 1479 } | |
| 1480 return index; | |
| 1481 } | |
| 1482 if (m_Charset == CIDSET_JAPAN1) { | |
| 1483 if (unicode == '\\') { | |
| 1484 unicode = '/'; | |
| 1485 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ | |
| 1486 } else if (unicode == 0xa5) { | |
| 1487 unicode = 0x5c; | |
| 1488 #endif | |
| 1489 } | |
| 1490 } | |
| 1491 if (!face) | |
| 1492 return unicode; | |
| 1493 | |
| 1494 int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE); | |
| 1495 if (err != 0) { | |
| 1496 int i; | |
| 1497 for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) { | |
| 1498 FX_DWORD ret = FT_CharCodeFromUnicode( | |
| 1499 FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]), | |
| 1500 (FX_WCHAR)charcode); | |
| 1501 if (ret == 0) { | |
| 1502 continue; | |
| 1503 } | |
| 1504 FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]); | |
| 1505 unicode = (FX_WCHAR)ret; | |
| 1506 break; | |
| 1507 } | |
| 1508 if (i == FXFT_Get_Face_CharmapCount(face) && i) { | |
| 1509 FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]); | |
| 1510 unicode = (FX_WCHAR)charcode; | |
| 1511 } | |
| 1512 } | |
| 1513 if (FXFT_Get_Face_Charmap(face)) { | |
| 1514 int index = GetGlyphIndex(unicode, pVertGlyph); | |
| 1515 if (index == 0) | |
| 1516 return -1; | |
| 1517 return index; | |
| 1518 } | |
| 1519 return unicode; | |
| 1520 } | |
| 1521 if (!m_Font.GetFace()) | |
| 1522 return -1; | |
| 1523 | |
| 1524 uint16_t cid = CIDFromCharCode(charcode); | |
| 1525 if (m_bType1) { | |
| 1526 if (!m_pCIDToGIDMap) { | |
| 1527 return cid; | |
| 1528 } | |
| 1529 } else { | |
| 1530 if (!m_pCIDToGIDMap) { | |
| 1531 if (m_pFontFile && !m_pCMap->m_pMapping) | |
| 1532 return cid; | |
| 1533 if (m_pCMap->m_Coding == CIDCODING_UNKNOWN || | |
| 1534 !FXFT_Get_Face_Charmap(m_Font.GetFace())) { | |
| 1535 return cid; | |
| 1536 } | |
| 1537 if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) == | |
| 1538 FXFT_ENCODING_UNICODE) { | |
| 1539 CFX_WideString unicode_str = UnicodeFromCharCode(charcode); | |
| 1540 if (unicode_str.IsEmpty()) { | |
| 1541 return -1; | |
| 1542 } | |
| 1543 charcode = unicode_str.GetAt(0); | |
| 1544 } | |
| 1545 return GetGlyphIndex(charcode, pVertGlyph); | |
| 1546 } | |
| 1547 } | |
| 1548 FX_DWORD byte_pos = cid * 2; | |
| 1549 if (byte_pos + 2 > m_pCIDToGIDMap->GetSize()) | |
| 1550 return -1; | |
| 1551 | |
| 1552 const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos; | |
| 1553 return pdata[0] * 256 + pdata[1]; | |
| 1554 } | |
| 1555 FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString, | |
| 1556 int nStrLen, | |
| 1557 int& offset) const { | |
| 1558 return m_pCMap->GetNextChar(pString, nStrLen, offset); | |
| 1559 } | |
| 1560 int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const { | |
| 1561 return m_pCMap->GetCharSize(charcode); | |
| 1562 } | |
| 1563 int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const { | |
| 1564 return m_pCMap->CountChar(pString, size); | |
| 1565 } | |
| 1566 int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const { | |
| 1567 return m_pCMap->AppendChar(str, charcode); | |
| 1568 } | |
| 1569 FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const { | |
| 1570 if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap || | |
| 1571 !m_pCID2UnicodeMap->IsLoaded()) { | |
| 1572 return m_pCMap->m_Coding != CIDCODING_UNKNOWN; | |
| 1573 } | |
| 1574 return TRUE; | |
| 1575 } | |
| 1576 FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const { | |
| 1577 return TRUE; | |
| 1578 } | |
| 1579 void CPDF_CIDFont::LoadSubstFont() { | |
| 1580 m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle, | |
| 1581 g_CharsetCPs[m_Charset], IsVertWriting()); | |
| 1582 } | |
| 1583 void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray, | |
| 1584 CFX_DWordArray& result, | |
| 1585 int nElements) { | |
| 1586 int width_status = 0; | |
| 1587 int iCurElement = 0; | |
| 1588 int first_code = 0; | |
| 1589 int last_code = 0; | |
| 1590 FX_DWORD count = pArray->GetCount(); | |
| 1591 for (FX_DWORD i = 0; i < count; i++) { | |
| 1592 CPDF_Object* pObj = pArray->GetElementValue(i); | |
| 1593 if (!pObj) | |
| 1594 continue; | |
| 1595 | |
| 1596 if (CPDF_Array* pArray = pObj->AsArray()) { | |
| 1597 if (width_status != 1) | |
| 1598 return; | |
| 1599 | |
| 1600 FX_DWORD count = pArray->GetCount(); | |
| 1601 for (FX_DWORD j = 0; j < count; j += nElements) { | |
| 1602 result.Add(first_code); | |
| 1603 result.Add(first_code); | |
| 1604 for (int k = 0; k < nElements; k++) { | |
| 1605 result.Add(pArray->GetIntegerAt(j + k)); | |
| 1606 } | |
| 1607 first_code++; | |
| 1608 } | |
| 1609 width_status = 0; | |
| 1610 } else { | |
| 1611 if (width_status == 0) { | |
| 1612 first_code = pObj->GetInteger(); | |
| 1613 width_status = 1; | |
| 1614 } else if (width_status == 1) { | |
| 1615 last_code = pObj->GetInteger(); | |
| 1616 width_status = 2; | |
| 1617 iCurElement = 0; | |
| 1618 } else { | |
| 1619 if (!iCurElement) { | |
| 1620 result.Add(first_code); | |
| 1621 result.Add(last_code); | |
| 1622 } | |
| 1623 result.Add(pObj->GetInteger()); | |
| 1624 iCurElement++; | |
| 1625 if (iCurElement == nElements) { | |
| 1626 width_status = 0; | |
| 1627 } | |
| 1628 } | |
| 1629 } | |
| 1630 } | |
| 1631 } | |
| 1632 | |
| 1633 // static | |
| 1634 FX_FLOAT CPDF_CIDFont::CIDTransformToFloat(uint8_t ch) { | |
| 1635 if (ch < 128) { | |
| 1636 return ch * 1.0f / 127; | |
| 1637 } | |
| 1638 return (-255 + ch) * 1.0f / 127; | |
| 1639 } | |
| 1640 | |
| 1641 FX_BOOL CPDF_CIDFont::LoadGB2312() { | |
| 1642 m_BaseFont = m_pFontDict->GetStringBy("BaseFont"); | |
| 1643 CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor"); | |
| 1644 if (pFontDesc) { | |
| 1645 LoadFontDescriptor(pFontDesc); | |
| 1646 } | |
| 1647 m_Charset = CIDSET_GB1; | |
| 1648 m_bType1 = FALSE; | |
| 1649 m_pCMap = CPDF_ModuleMgr::Get() | |
| 1650 ->GetPageModule() | |
| 1651 ->GetFontGlobals() | |
| 1652 ->m_CMapManager.GetPredefinedCMap("GBK-EUC-H", FALSE); | |
| 1653 m_pCID2UnicodeMap = CPDF_ModuleMgr::Get() | |
| 1654 ->GetPageModule() | |
| 1655 ->GetFontGlobals() | |
| 1656 ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE); | |
| 1657 if (!IsEmbedded()) { | |
| 1658 LoadSubstFont(); | |
| 1659 } | |
| 1660 CheckFontMetrics(); | |
| 1661 m_DefaultWidth = 1000; | |
| 1662 m_pAnsiWidths = FX_Alloc(uint16_t, 128); | |
| 1663 for (int i = 32; i < 127; i++) { | |
| 1664 m_pAnsiWidths[i] = 500; | |
| 1665 } | |
| 1666 return TRUE; | |
| 1667 } | |
| 1668 | |
| 1669 const uint8_t* CPDF_CIDFont::GetCIDTransform(uint16_t CID) const { | |
| 1670 if (m_Charset != CIDSET_JAPAN1 || m_pFontFile) | |
| 1671 return nullptr; | |
| 1672 | |
| 1673 const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch( | |
| 1674 &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs), | |
| 1675 sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform); | |
| 1676 return found ? &found->a : nullptr; | |
| 1677 } | |
| OLD | NEW |