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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_parser/include/cpdf_document.h" | 7 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 #include <set> | 10 #include <set> |
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193 if (widths[i] != *widths) | 193 if (widths[i] != *widths) |
194 break; | 194 break; |
195 } | 195 } |
196 if (i == size) { | 196 if (i == size) { |
197 int first = pWidthArray->GetIntegerAt(pWidthArray->GetCount() - 1); | 197 int first = pWidthArray->GetIntegerAt(pWidthArray->GetCount() - 1); |
198 pWidthArray->AddInteger(first + size - 1); | 198 pWidthArray->AddInteger(first + size - 1); |
199 pWidthArray->AddInteger(*widths); | 199 pWidthArray->AddInteger(*widths); |
200 } else { | 200 } else { |
201 CPDF_Array* pWidthArray1 = new CPDF_Array; | 201 CPDF_Array* pWidthArray1 = new CPDF_Array; |
202 pWidthArray->Add(pWidthArray1); | 202 pWidthArray->Add(pWidthArray1); |
203 for (i = 0; i < size; i++) { | 203 for (i = 0; i < size; i++) |
204 pWidthArray1->AddInteger(widths[i]); | 204 pWidthArray1->AddInteger(widths[i]); |
205 } | |
206 } | 205 } |
207 FX_Free(widths); | 206 FX_Free(widths); |
208 } | 207 } |
209 | 208 |
210 CFX_ByteString FPDF_GetPSNameFromTT(HDC hDC) { | 209 CFX_ByteString FPDF_GetPSNameFromTT(HDC hDC) { |
211 CFX_ByteString result; | 210 CFX_ByteString result; |
212 DWORD size = ::GetFontData(hDC, 'eman', 0, nullptr, 0); | 211 DWORD size = ::GetFontData(hDC, 'eman', 0, nullptr, 0); |
213 if (size != GDI_ERROR) { | 212 if (size != GDI_ERROR) { |
214 LPBYTE buffer = FX_Alloc(BYTE, size); | 213 LPBYTE buffer = FX_Alloc(BYTE, size); |
215 ::GetFontData(hDC, 'eman', 0, buffer, size); | 214 ::GetFontData(hDC, 'eman', 0, buffer, size); |
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293 nPagesToGo -= nPages; | 292 nPagesToGo -= nPages; |
294 } | 293 } |
295 } | 294 } |
296 return 0; | 295 return 0; |
297 } | 296 } |
298 | 297 |
299 int InsertNewPage(CPDF_Document* pDoc, | 298 int InsertNewPage(CPDF_Document* pDoc, |
300 int iPage, | 299 int iPage, |
301 CPDF_Dictionary* pPageDict, | 300 CPDF_Dictionary* pPageDict, |
302 CFX_ArrayTemplate<uint32_t>& pageList) { | 301 CFX_ArrayTemplate<uint32_t>& pageList) { |
303 CPDF_Dictionary* pRoot = pDoc->GetRoot(); | 302 CPDF_Dictionary* pPages = pDoc->GetPagesDict(); |
304 if (!pRoot) | |
305 return -1; | |
306 | |
307 CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages"); | |
308 if (!pPages) | 303 if (!pPages) |
309 return -1; | 304 return -1; |
310 | 305 |
311 int nPages = pDoc->GetPageCount(); | 306 int nPages = pDoc->GetPageCount(); |
312 if (iPage < 0 || iPage > nPages) | 307 if (iPage < 0 || iPage > nPages) |
313 return -1; | 308 return -1; |
314 | 309 |
315 if (iPage == nPages) { | 310 if (iPage == nPages) { |
316 CPDF_Array* pPagesList = pPages->GetArrayBy("Kids"); | 311 CPDF_Array* pPagesList = pPages->GetArrayBy("Kids"); |
317 if (!pPagesList) { | 312 if (!pPagesList) { |
318 pPagesList = new CPDF_Array; | 313 pPagesList = new CPDF_Array; |
319 pPages->SetAt("Kids", pPagesList); | 314 pPages->SetAt("Kids", pPagesList); |
320 } | 315 } |
321 pPagesList->Add(pPageDict, pDoc); | 316 pPagesList->Add(pPageDict, pDoc); |
322 pPages->SetAtInteger("Count", nPages + 1); | 317 pPages->SetAtInteger("Count", nPages + 1); |
323 pPageDict->SetAtReference("Parent", pDoc, pPages->GetObjNum()); | 318 pPageDict->SetAtReference("Parent", pDoc, pPages->GetObjNum()); |
324 } else { | 319 } else { |
325 std::set<CPDF_Dictionary*> stack = {pPages}; | 320 std::set<CPDF_Dictionary*> stack = {pPages}; |
326 if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, &stack) < 0) | 321 if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, &stack) < 0) |
327 return -1; | 322 return -1; |
328 } | 323 } |
329 pageList.InsertAt(iPage, pPageDict->GetObjNum()); | 324 pageList.InsertAt(iPage, pPageDict->GetObjNum()); |
330 return iPage; | 325 return iPage; |
331 } | 326 } |
332 | 327 |
333 int CountPages(CPDF_Dictionary* pPages, | 328 int CountPages(CPDF_Dictionary* pPages, |
334 std::set<CPDF_Dictionary*>* visited_pages) { | 329 std::set<CPDF_Dictionary*>* visited_pages) { |
335 int count = pPages->GetIntegerBy("Count"); | 330 int count = pPages->GetIntegerBy("Count"); |
336 if (count > 0 && count < FPDF_PAGE_MAX_NUM) { | 331 if (count > 0 && count < FPDF_PAGE_MAX_NUM) |
337 return count; | 332 return count; |
338 } | |
339 CPDF_Array* pKidList = pPages->GetArrayBy("Kids"); | 333 CPDF_Array* pKidList = pPages->GetArrayBy("Kids"); |
340 if (!pKidList) { | 334 if (!pKidList) |
341 return 0; | 335 return 0; |
342 } | |
343 count = 0; | 336 count = 0; |
344 for (size_t i = 0; i < pKidList->GetCount(); i++) { | 337 for (size_t i = 0; i < pKidList->GetCount(); i++) { |
345 CPDF_Dictionary* pKid = pKidList->GetDictAt(i); | 338 CPDF_Dictionary* pKid = pKidList->GetDictAt(i); |
346 if (!pKid || pdfium::ContainsKey(*visited_pages, pKid)) { | 339 if (!pKid || pdfium::ContainsKey(*visited_pages, pKid)) |
347 continue; | 340 continue; |
348 } | |
349 if (pKid->KeyExist("Kids")) { | 341 if (pKid->KeyExist("Kids")) { |
350 // Use |visited_pages| to help detect circular references of pages. | 342 // Use |visited_pages| to help detect circular references of pages. |
351 pdfium::ScopedSetInsertion<CPDF_Dictionary*> local_add(visited_pages, | 343 pdfium::ScopedSetInsertion<CPDF_Dictionary*> local_add(visited_pages, |
352 pKid); | 344 pKid); |
353 count += CountPages(pKid, visited_pages); | 345 count += CountPages(pKid, visited_pages); |
354 } else { | 346 } else { |
355 // This page is a leaf node. | 347 // This page is a leaf node. |
356 count++; | 348 count++; |
357 } | 349 } |
358 } | 350 } |
359 pPages->SetAtInteger("Count", count); | 351 pPages->SetAtInteger("Count", count); |
360 return count; | 352 return count; |
361 } | 353 } |
362 | 354 |
355 int CalculateFlags(bool bold, | |
356 bool italic, | |
357 bool fixedPitch, | |
358 bool serif, | |
359 bool script, | |
360 bool symbolic) { | |
361 int flags = 0; | |
362 if (bold) | |
363 flags |= PDFFONT_FORCEBOLD; | |
364 if (italic) | |
365 flags |= PDFFONT_ITALIC; | |
366 if (fixedPitch) | |
367 flags |= PDFFONT_FIXEDPITCH; | |
368 if (serif) | |
369 flags |= PDFFONT_SERIF; | |
370 if (script) | |
371 flags |= PDFFONT_SCRIPT; | |
372 if (symbolic) | |
373 flags |= PDFFONT_SYMBOLIC; | |
374 else | |
375 flags |= PDFFONT_NONSYMBOLIC; | |
376 return flags; | |
377 } | |
378 | |
379 void ProcessNonbCJK(CPDF_Dictionary* pBaseDict, | |
380 bool bold, | |
381 bool italic, | |
382 CFX_ByteString basefont, | |
383 CPDF_Array* pWidths) { | |
384 if (bold && italic) | |
385 basefont += ",BoldItalic"; | |
386 else if (bold) | |
387 basefont += ",Bold"; | |
388 else if (italic) | |
389 basefont += ",Italic"; | |
390 pBaseDict->SetAtName("Subtype", "TrueType"); | |
391 pBaseDict->SetAtName("BaseFont", basefont); | |
392 pBaseDict->SetAtNumber("FirstChar", 32); | |
393 pBaseDict->SetAtNumber("LastChar", 255); | |
394 pBaseDict->SetAt("Widths", pWidths); | |
395 } | |
396 | |
363 } // namespace | 397 } // namespace |
364 | 398 |
365 CPDF_Document::CPDF_Document(std::unique_ptr<CPDF_Parser> pParser) | 399 CPDF_Document::CPDF_Document(std::unique_ptr<CPDF_Parser> pParser) |
366 : CPDF_IndirectObjectHolder(), | 400 : CPDF_IndirectObjectHolder(), |
367 m_pParser(std::move(pParser)), | 401 m_pParser(std::move(pParser)), |
368 m_pRootDict(nullptr), | 402 m_pRootDict(nullptr), |
369 m_pInfoDict(nullptr), | 403 m_pInfoDict(nullptr), |
370 m_bLinearized(false), | 404 m_bLinearized(false), |
371 m_iFirstPageNo(0), | 405 m_iFirstPageNo(0), |
372 m_dwFirstPageObjNum(0), | 406 m_dwFirstPageObjNum(0), |
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439 | 473 |
440 if (level >= FX_MAX_PAGE_LEVEL) | 474 if (level >= FX_MAX_PAGE_LEVEL) |
441 return nullptr; | 475 return nullptr; |
442 | 476 |
443 for (size_t i = 0; i < pKidList->GetCount(); i++) { | 477 for (size_t i = 0; i < pKidList->GetCount(); i++) { |
444 CPDF_Dictionary* pKid = pKidList->GetDictAt(i); | 478 CPDF_Dictionary* pKid = pKidList->GetDictAt(i); |
445 if (!pKid) { | 479 if (!pKid) { |
446 nPagesToGo--; | 480 nPagesToGo--; |
447 continue; | 481 continue; |
448 } | 482 } |
449 if (pKid == pPages) { | 483 if (pKid == pPages) |
450 continue; | 484 continue; |
451 } | |
452 if (!pKid->KeyExist("Kids")) { | 485 if (!pKid->KeyExist("Kids")) { |
453 if (nPagesToGo == 0) { | 486 if (nPagesToGo == 0) |
454 return pKid; | 487 return pKid; |
455 } | 488 |
456 m_PageList.SetAt(iPage - nPagesToGo, pKid->GetObjNum()); | 489 m_PageList.SetAt(iPage - nPagesToGo, pKid->GetObjNum()); |
457 nPagesToGo--; | 490 nPagesToGo--; |
458 } else { | 491 } else { |
459 int nPages = pKid->GetIntegerBy("Count"); | 492 int nPages = pKid->GetIntegerBy("Count"); |
460 if (nPagesToGo < nPages) { | 493 if (nPagesToGo < nPages) |
461 return FindPDFPage(pKid, iPage, nPagesToGo, level + 1); | 494 return FindPDFPage(pKid, iPage, nPagesToGo, level + 1); |
462 } | 495 |
463 nPagesToGo -= nPages; | 496 nPagesToGo -= nPages; |
464 } | 497 } |
465 } | 498 } |
466 return nullptr; | 499 return nullptr; |
467 } | 500 } |
468 | 501 |
502 CPDF_Dictionary* CPDF_Document::GetPagesDict() const { | |
503 CPDF_Dictionary* pRoot = GetRoot(); | |
504 if (!pRoot) | |
505 return nullptr; | |
506 return pRoot->GetDictBy("Pages"); | |
dsinclair
2016/09/09 00:21:06
return pRoot ? pRoot->GetDictBy("Pages") : nullptr
npm
2016/09/09 14:24:15
Done.
| |
507 } | |
508 | |
469 CPDF_Dictionary* CPDF_Document::GetPage(int iPage) { | 509 CPDF_Dictionary* CPDF_Document::GetPage(int iPage) { |
470 if (iPage < 0 || iPage >= m_PageList.GetSize()) | 510 if (iPage < 0 || iPage >= m_PageList.GetSize()) |
471 return nullptr; | 511 return nullptr; |
472 | 512 |
473 if (m_bLinearized && (iPage == m_iFirstPageNo)) { | 513 if (m_bLinearized && (iPage == m_iFirstPageNo)) { |
474 if (CPDF_Dictionary* pDict = | 514 if (CPDF_Dictionary* pDict = |
475 ToDictionary(GetOrParseIndirectObject(m_dwFirstPageObjNum))) { | 515 ToDictionary(GetOrParseIndirectObject(m_dwFirstPageObjNum))) { |
476 return pDict; | 516 return pDict; |
477 } | 517 } |
478 } | 518 } |
479 | 519 |
480 int objnum = m_PageList.GetAt(iPage); | 520 int objnum = m_PageList.GetAt(iPage); |
481 if (objnum) { | 521 if (objnum) { |
482 if (CPDF_Dictionary* pDict = ToDictionary(GetOrParseIndirectObject(objnum))) | 522 if (CPDF_Dictionary* pDict = ToDictionary(GetOrParseIndirectObject(objnum))) |
483 return pDict; | 523 return pDict; |
484 } | 524 } |
485 | 525 |
486 CPDF_Dictionary* pRoot = GetRoot(); | 526 CPDF_Dictionary* pPages = GetPagesDict(); |
487 if (!pRoot) | |
488 return nullptr; | |
489 | |
490 CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages"); | |
491 if (!pPages) | 527 if (!pPages) |
492 return nullptr; | 528 return nullptr; |
493 | 529 |
494 CPDF_Dictionary* pPage = FindPDFPage(pPages, iPage, iPage, 0); | 530 CPDF_Dictionary* pPage = FindPDFPage(pPages, iPage, iPage, 0); |
495 if (!pPage) | 531 if (!pPage) |
496 return nullptr; | 532 return nullptr; |
497 | 533 |
498 m_PageList.SetAt(iPage, pPage->GetObjNum()); | 534 m_PageList.SetAt(iPage, pPage->GetObjNum()); |
499 return pPage; | 535 return pPage; |
500 } | 536 } |
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559 for (uint32_t i = 0; i < nPages; i++) { | 595 for (uint32_t i = 0; i < nPages; i++) { |
560 uint32_t objnum1 = m_PageList.GetAt(i); | 596 uint32_t objnum1 = m_PageList.GetAt(i); |
561 if (objnum1 == objnum) | 597 if (objnum1 == objnum) |
562 return i; | 598 return i; |
563 | 599 |
564 if (!bSkipped && objnum1 == 0) { | 600 if (!bSkipped && objnum1 == 0) { |
565 skip_count = i; | 601 skip_count = i; |
566 bSkipped = true; | 602 bSkipped = true; |
567 } | 603 } |
568 } | 604 } |
569 CPDF_Dictionary* pRoot = GetRoot(); | 605 CPDF_Dictionary* pPages = GetPagesDict(); |
570 if (!pRoot) | |
571 return -1; | |
572 | |
573 CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages"); | |
574 if (!pPages) | 606 if (!pPages) |
575 return -1; | 607 return -1; |
576 | 608 |
577 int index = 0; | 609 int index = 0; |
578 return FindPageIndex(pPages, skip_count, objnum, index); | 610 return FindPageIndex(pPages, skip_count, objnum, index); |
579 } | 611 } |
580 | 612 |
581 int CPDF_Document::GetPageCount() const { | 613 int CPDF_Document::GetPageCount() const { |
582 return m_PageList.GetSize(); | 614 return m_PageList.GetSize(); |
583 } | 615 } |
584 | 616 |
585 int CPDF_Document::RetrievePageCount() const { | 617 int CPDF_Document::RetrievePageCount() const { |
586 CPDF_Dictionary* pRoot = GetRoot(); | 618 CPDF_Dictionary* pPages = GetPagesDict(); |
587 if (!pRoot) | |
588 return 0; | |
589 | |
590 CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages"); | |
591 if (!pPages) | 619 if (!pPages) |
592 return 0; | 620 return 0; |
593 | 621 |
594 if (!pPages->KeyExist("Kids")) | 622 if (!pPages->KeyExist("Kids")) |
595 return 1; | 623 return 1; |
596 | 624 |
597 std::set<CPDF_Dictionary*> visited_pages; | 625 std::set<CPDF_Dictionary*> visited_pages; |
598 visited_pages.insert(pPages); | 626 visited_pages.insert(pPages); |
599 return CountPages(pPages, &visited_pages); | 627 return CountPages(pPages, &visited_pages); |
600 } | 628 } |
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663 pDict->SetAtName("Type", "Page"); | 691 pDict->SetAtName("Type", "Page"); |
664 uint32_t dwObjNum = AddIndirectObject(pDict); | 692 uint32_t dwObjNum = AddIndirectObject(pDict); |
665 if (InsertNewPage(this, iPage, pDict, m_PageList) < 0) { | 693 if (InsertNewPage(this, iPage, pDict, m_PageList) < 0) { |
666 ReleaseIndirectObject(dwObjNum); | 694 ReleaseIndirectObject(dwObjNum); |
667 return nullptr; | 695 return nullptr; |
668 } | 696 } |
669 return pDict; | 697 return pDict; |
670 } | 698 } |
671 | 699 |
672 void CPDF_Document::DeletePage(int iPage) { | 700 void CPDF_Document::DeletePage(int iPage) { |
673 CPDF_Dictionary* pRoot = GetRoot(); | 701 CPDF_Dictionary* pPages = GetPagesDict(); |
674 if (!pRoot) | |
675 return; | |
676 | |
677 CPDF_Dictionary* pPages = pRoot->GetDictBy("Pages"); | |
678 if (!pPages) | 702 if (!pPages) |
679 return; | 703 return; |
680 | 704 |
681 int nPages = pPages->GetIntegerBy("Count"); | 705 int nPages = pPages->GetIntegerBy("Count"); |
682 if (iPage < 0 || iPage >= nPages) | 706 if (iPage < 0 || iPage >= nPages) |
683 return; | 707 return; |
684 | 708 |
685 std::set<CPDF_Dictionary*> stack = {pPages}; | 709 std::set<CPDF_Dictionary*> stack = {pPages}; |
686 if (InsertDeletePDFPage(this, pPages, iPage, nullptr, FALSE, &stack) < 0) | 710 if (InsertDeletePDFPage(this, pPages, iPage, nullptr, FALSE, &stack) < 0) |
687 return; | 711 return; |
688 | 712 |
689 m_PageList.RemoveAt(iPage); | 713 m_PageList.RemoveAt(iPage); |
690 } | 714 } |
691 | 715 |
692 CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font, | 716 CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font, |
693 CPDF_FontEncoding* pEncoding) { | 717 CPDF_FontEncoding* pEncoding) { |
694 CFX_ByteString name(font); | 718 CFX_ByteString name(font); |
695 if (PDF_GetStandardFontName(&name) < 0) | 719 if (PDF_GetStandardFontName(&name) < 0) |
696 return nullptr; | 720 return nullptr; |
697 return GetPageData()->GetStandardFont(name, pEncoding); | 721 return GetPageData()->GetStandardFont(name, pEncoding); |
698 } | 722 } |
699 | 723 |
724 size_t CPDF_Document::CalculateEncodingDict(int charset, | |
725 CPDF_Dictionary* pBaseDict) { | |
726 size_t i; | |
727 for (i = 0; i < FX_ArraySize(g_FX_CharsetUnicodes); ++i) { | |
728 if (g_FX_CharsetUnicodes[i].m_Charset == charset) | |
729 break; | |
730 } | |
731 if (i < FX_ArraySize(g_FX_CharsetUnicodes)) { | |
dsinclair
2016/09/09 00:21:06
if (i >= FX_ArraySize(g_FX_CharsetUnicodes)
retu
npm
2016/09/09 14:24:15
Done.
| |
732 CPDF_Dictionary* pEncodingDict = new CPDF_Dictionary; | |
733 pEncodingDict->SetAtName("BaseEncoding", "WinAnsiEncoding"); | |
734 CPDF_Array* pArray = new CPDF_Array; | |
735 pArray->AddInteger(128); | |
736 const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; | |
737 for (int j = 0; j < 128; j++) { | |
738 CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]); | |
739 pArray->AddName(name.IsEmpty() ? ".notdef" : name); | |
740 } | |
741 pEncodingDict->SetAt("Differences", pArray); | |
742 AddIndirectObject(pEncodingDict); | |
743 pBaseDict->SetAtReference("Encoding", this, pEncodingDict); | |
744 } | |
745 return i; | |
746 } | |
747 | |
700 CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) { | 748 CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) { |
701 if (!pFont) | 749 if (!pFont) |
702 return nullptr; | 750 return nullptr; |
703 | 751 |
704 bool bCJK = charset == FXFONT_CHINESEBIG5_CHARSET || | 752 bool bCJK = charset == FXFONT_CHINESEBIG5_CHARSET || |
705 charset == FXFONT_GB2312_CHARSET || | 753 charset == FXFONT_GB2312_CHARSET || |
706 charset == FXFONT_HANGEUL_CHARSET || | 754 charset == FXFONT_HANGEUL_CHARSET || |
707 charset == FXFONT_SHIFTJIS_CHARSET; | 755 charset == FXFONT_SHIFTJIS_CHARSET; |
708 CFX_ByteString basefont = pFont->GetFamilyName(); | 756 CFX_ByteString basefont = pFont->GetFamilyName(); |
709 basefont.Replace(" ", ""); | 757 basefont.Replace(" ", ""); |
710 int flags = 0; | 758 int flags = |
711 if (pFont->IsBold()) | 759 CalculateFlags(pFont->IsBold(), pFont->IsItalic(), pFont->IsFixedWidth(), |
712 flags |= PDFFONT_FORCEBOLD; | 760 false, false, charset == FXFONT_SYMBOL_CHARSET); |
713 if (pFont->IsItalic()) | |
714 flags |= PDFFONT_ITALIC; | |
715 if (pFont->IsFixedWidth()) | |
716 flags |= PDFFONT_FIXEDPITCH; | |
717 | 761 |
718 CPDF_Dictionary* pBaseDict = new CPDF_Dictionary; | 762 CPDF_Dictionary* pBaseDict = new CPDF_Dictionary; |
719 pBaseDict->SetAtName("Type", "Font"); | 763 pBaseDict->SetAtName("Type", "Font"); |
720 std::unique_ptr<CFX_UnicodeEncoding> pEncoding( | 764 std::unique_ptr<CFX_UnicodeEncoding> pEncoding( |
721 new CFX_UnicodeEncoding(pFont)); | 765 new CFX_UnicodeEncoding(pFont)); |
722 CPDF_Dictionary* pFontDict = pBaseDict; | 766 CPDF_Dictionary* pFontDict = pBaseDict; |
723 if (!bCJK) { | 767 if (!bCJK) { |
724 CPDF_Array* pWidths = new CPDF_Array; | 768 CPDF_Array* pWidths = new CPDF_Array; |
725 for (int charcode = 32; charcode < 128; charcode++) { | 769 for (int charcode = 32; charcode < 128; charcode++) { |
726 int glyph_index = pEncoding->GlyphFromCharCode(charcode); | 770 int glyph_index = pEncoding->GlyphFromCharCode(charcode); |
727 int char_width = pFont->GetGlyphWidth(glyph_index); | 771 int char_width = pFont->GetGlyphWidth(glyph_index); |
728 pWidths->AddInteger(char_width); | 772 pWidths->AddInteger(char_width); |
729 } | 773 } |
730 if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET || | 774 if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET || |
731 charset == FXFONT_SYMBOL_CHARSET) { | 775 charset == FXFONT_SYMBOL_CHARSET) { |
732 if (charset == FXFONT_SYMBOL_CHARSET) { | |
733 flags |= PDFFONT_SYMBOLIC; | |
734 } else { | |
735 flags |= PDFFONT_NONSYMBOLIC; | |
736 } | |
737 pBaseDict->SetAtName("Encoding", "WinAnsiEncoding"); | 776 pBaseDict->SetAtName("Encoding", "WinAnsiEncoding"); |
738 for (int charcode = 128; charcode <= 255; charcode++) { | 777 for (int charcode = 128; charcode <= 255; charcode++) { |
739 int glyph_index = pEncoding->GlyphFromCharCode(charcode); | 778 int glyph_index = pEncoding->GlyphFromCharCode(charcode); |
740 int char_width = pFont->GetGlyphWidth(glyph_index); | 779 int char_width = pFont->GetGlyphWidth(glyph_index); |
741 pWidths->AddInteger(char_width); | 780 pWidths->AddInteger(char_width); |
742 } | 781 } |
743 } else { | 782 } else { |
744 flags |= PDFFONT_NONSYMBOLIC; | 783 size_t i = CalculateEncodingDict(charset, pBaseDict); |
745 size_t i; | |
746 for (i = 0; i < FX_ArraySize(g_FX_CharsetUnicodes); ++i) { | |
747 if (g_FX_CharsetUnicodes[i].m_Charset == charset) | |
748 break; | |
749 } | |
750 if (i < FX_ArraySize(g_FX_CharsetUnicodes)) { | 784 if (i < FX_ArraySize(g_FX_CharsetUnicodes)) { |
751 CPDF_Dictionary* pEncodingDict = new CPDF_Dictionary; | |
752 pEncodingDict->SetAtName("BaseEncoding", "WinAnsiEncoding"); | |
753 CPDF_Array* pArray = new CPDF_Array; | |
754 pArray->AddInteger(128); | |
755 const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; | 785 const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; |
756 for (int j = 0; j < 128; j++) { | 786 for (int j = 0; j < 128; j++) { |
757 CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]); | |
758 pArray->AddName(name.IsEmpty() ? ".notdef" : name); | |
759 int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]); | 787 int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]); |
760 int char_width = pFont->GetGlyphWidth(glyph_index); | 788 int char_width = pFont->GetGlyphWidth(glyph_index); |
761 pWidths->AddInteger(char_width); | 789 pWidths->AddInteger(char_width); |
762 } | 790 } |
763 pEncodingDict->SetAt("Differences", pArray); | |
764 AddIndirectObject(pEncodingDict); | |
765 pBaseDict->SetAtReference("Encoding", this, pEncodingDict); | |
766 } | 791 } |
767 } | 792 } |
768 if (pFont->IsBold() && pFont->IsItalic()) | 793 ProcessNonbCJK(pBaseDict, pFont->IsBold(), pFont->IsItalic(), basefont, |
769 basefont += ",BoldItalic"; | 794 pWidths); |
770 else if (pFont->IsBold()) | |
771 basefont += ",Bold"; | |
772 else if (pFont->IsItalic()) | |
773 basefont += ",Italic"; | |
774 | |
775 pBaseDict->SetAtName("Subtype", "TrueType"); | |
776 pBaseDict->SetAtName("BaseFont", basefont); | |
777 pBaseDict->SetAtNumber("FirstChar", 32); | |
778 pBaseDict->SetAtNumber("LastChar", 255); | |
779 pBaseDict->SetAt("Widths", pWidths); | |
780 } else { | 795 } else { |
781 flags |= PDFFONT_NONSYMBOLIC; | 796 flags |= PDFFONT_NONSYMBOLIC; |
782 pFontDict = new CPDF_Dictionary; | 797 pFontDict = new CPDF_Dictionary; |
783 CFX_ByteString cmap; | 798 CFX_ByteString cmap; |
784 CFX_ByteString ordering; | 799 CFX_ByteString ordering; |
785 int supplement = 0; | 800 int supplement = 0; |
786 CPDF_Array* pWidthArray = new CPDF_Array; | 801 CPDF_Array* pWidthArray = new CPDF_Array; |
787 switch (charset) { | 802 switch (charset) { |
788 case FXFONT_CHINESEBIG5_CHARSET: | 803 case FXFONT_CHINESEBIG5_CHARSET: |
789 cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; | 804 cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; |
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861 if (pFont->GetSubstFont()) { | 876 if (pFont->GetSubstFont()) { |
862 nStemV = pFont->GetSubstFont()->m_Weight / 5; | 877 nStemV = pFont->GetSubstFont()->m_Weight / 5; |
863 } else { | 878 } else { |
864 static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'}; | 879 static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'}; |
865 const size_t count = FX_ArraySize(stem_chars); | 880 const size_t count = FX_ArraySize(stem_chars); |
866 uint32_t glyph = pEncoding->GlyphFromCharCode(stem_chars[0]); | 881 uint32_t glyph = pEncoding->GlyphFromCharCode(stem_chars[0]); |
867 nStemV = pFont->GetGlyphWidth(glyph); | 882 nStemV = pFont->GetGlyphWidth(glyph); |
868 for (size_t i = 1; i < count; i++) { | 883 for (size_t i = 1; i < count; i++) { |
869 glyph = pEncoding->GlyphFromCharCode(stem_chars[i]); | 884 glyph = pEncoding->GlyphFromCharCode(stem_chars[i]); |
870 int width = pFont->GetGlyphWidth(glyph); | 885 int width = pFont->GetGlyphWidth(glyph); |
871 if (width > 0 && width < nStemV) { | 886 if (width > 0 && width < nStemV) |
872 nStemV = width; | 887 nStemV = width; |
873 } | |
874 } | 888 } |
875 } | 889 } |
876 pFontDesc->SetAtInteger("StemV", nStemV); | 890 pFontDesc->SetAtInteger("StemV", nStemV); |
877 AddIndirectObject(pFontDesc); | 891 AddIndirectObject(pFontDesc); |
878 pFontDict->SetAtReference("FontDescriptor", this, pFontDesc); | 892 pFontDict->SetAtReference("FontDescriptor", this, pFontDesc); |
879 return LoadFont(pBaseDict); | 893 return LoadFont(pBaseDict); |
880 } | 894 } |
881 | 895 |
882 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 896 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
883 CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTW* pLogFont, | 897 CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTW* pLogFont, |
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903 hFont = SelectObject(hDC, hFont); | 917 hFont = SelectObject(hDC, hFont); |
904 int tm_size = GetOutlineTextMetrics(hDC, 0, nullptr); | 918 int tm_size = GetOutlineTextMetrics(hDC, 0, nullptr); |
905 if (tm_size == 0) { | 919 if (tm_size == 0) { |
906 hFont = SelectObject(hDC, hFont); | 920 hFont = SelectObject(hDC, hFont); |
907 DeleteObject(hFont); | 921 DeleteObject(hFont); |
908 DeleteDC(hDC); | 922 DeleteDC(hDC); |
909 return nullptr; | 923 return nullptr; |
910 } | 924 } |
911 | 925 |
912 LPBYTE tm_buf = FX_Alloc(BYTE, tm_size); | 926 LPBYTE tm_buf = FX_Alloc(BYTE, tm_size); |
913 OUTLINETEXTMETRIC* ptm = (OUTLINETEXTMETRIC*)tm_buf; | 927 OUTLINETEXTMETRIC* ptm = reinterpret_cast<OUTLINETEXTMETRIC*>(tm_buf); |
914 GetOutlineTextMetrics(hDC, tm_size, ptm); | 928 GetOutlineTextMetrics(hDC, tm_size, ptm); |
915 int flags = 0, italicangle, ascend, descend, capheight, bbox[4]; | 929 int flags = CalculateFlags(false, pLogFont->lfItalic != 0, |
916 if (pLogFont->lfItalic) | 930 (pLogFont->lfPitchAndFamily & 3) == FIXED_PITCH, |
917 flags |= PDFFONT_ITALIC; | 931 (pLogFont->lfPitchAndFamily & 0xf8) == FF_ROMAN, |
918 if ((pLogFont->lfPitchAndFamily & 3) == FIXED_PITCH) | 932 (pLogFont->lfPitchAndFamily & 0xf8) == FF_SCRIPT, |
919 flags |= PDFFONT_FIXEDPITCH; | 933 pLogFont->lfCharSet == SYMBOL_CHARSET); |
dsinclair
2016/09/09 00:21:06
I think this needs a !bCJK && pLogFont->lfCharSet
npm
2016/09/09 14:24:15
By definition of bCJK, if lfCharSet==SYMBOL_CHARSE
| |
920 if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_ROMAN) | 934 int italicangle, ascend, descend, capheight, bbox[4]; |
dsinclair
2016/09/09 00:21:06
nit: one per line
int italicangle;
int ascend;
..
npm
2016/09/09 14:24:15
Done.
| |
921 flags |= PDFFONT_SERIF; | |
922 if ((pLogFont->lfPitchAndFamily & 0xf8) == FF_SCRIPT) | |
923 flags |= PDFFONT_SCRIPT; | |
924 | 935 |
925 bool bCJK = pLogFont->lfCharSet == CHINESEBIG5_CHARSET || | 936 bool bCJK = pLogFont->lfCharSet == CHINESEBIG5_CHARSET || |
926 pLogFont->lfCharSet == GB2312_CHARSET || | 937 pLogFont->lfCharSet == GB2312_CHARSET || |
927 pLogFont->lfCharSet == HANGEUL_CHARSET || | 938 pLogFont->lfCharSet == HANGEUL_CHARSET || |
928 pLogFont->lfCharSet == SHIFTJIS_CHARSET; | 939 pLogFont->lfCharSet == SHIFTJIS_CHARSET; |
929 CFX_ByteString basefont; | 940 CFX_ByteString basefont; |
930 if (bTranslateName && bCJK) | 941 if (bTranslateName && bCJK) |
931 basefont = FPDF_GetPSNameFromTT(hDC); | 942 basefont = FPDF_GetPSNameFromTT(hDC); |
932 | 943 |
933 if (basefont.IsEmpty()) | 944 if (basefont.IsEmpty()) |
934 basefont = pLogFont->lfFaceName; | 945 basefont = pLogFont->lfFaceName; |
935 | 946 |
936 italicangle = ptm->otmItalicAngle / 10; | 947 italicangle = ptm->otmItalicAngle / 10; |
937 ascend = ptm->otmrcFontBox.top; | 948 ascend = ptm->otmrcFontBox.top; |
938 descend = ptm->otmrcFontBox.bottom; | 949 descend = ptm->otmrcFontBox.bottom; |
939 capheight = ptm->otmsCapEmHeight; | 950 capheight = ptm->otmsCapEmHeight; |
940 bbox[0] = ptm->otmrcFontBox.left; | 951 bbox[0] = ptm->otmrcFontBox.left; |
941 bbox[1] = ptm->otmrcFontBox.bottom; | 952 bbox[1] = ptm->otmrcFontBox.bottom; |
942 bbox[2] = ptm->otmrcFontBox.right; | 953 bbox[2] = ptm->otmrcFontBox.right; |
943 bbox[3] = ptm->otmrcFontBox.top; | 954 bbox[3] = ptm->otmrcFontBox.top; |
944 FX_Free(tm_buf); | 955 FX_Free(tm_buf); |
945 basefont.Replace(" ", ""); | 956 basefont.Replace(" ", ""); |
946 CPDF_Dictionary* pBaseDict = new CPDF_Dictionary; | 957 CPDF_Dictionary* pBaseDict = new CPDF_Dictionary; |
947 pBaseDict->SetAtName("Type", "Font"); | 958 pBaseDict->SetAtName("Type", "Font"); |
948 CPDF_Dictionary* pFontDict = pBaseDict; | 959 CPDF_Dictionary* pFontDict = pBaseDict; |
949 if (!bCJK) { | 960 if (!bCJK) { |
950 if (pLogFont->lfCharSet == ANSI_CHARSET || | 961 if (pLogFont->lfCharSet == ANSI_CHARSET || |
951 pLogFont->lfCharSet == DEFAULT_CHARSET || | 962 pLogFont->lfCharSet == DEFAULT_CHARSET || |
952 pLogFont->lfCharSet == SYMBOL_CHARSET) { | 963 pLogFont->lfCharSet == SYMBOL_CHARSET) { |
953 if (pLogFont->lfCharSet == SYMBOL_CHARSET) | |
954 flags |= PDFFONT_SYMBOLIC; | |
955 else | |
956 flags |= PDFFONT_NONSYMBOLIC; | |
957 pBaseDict->SetAtName("Encoding", "WinAnsiEncoding"); | 964 pBaseDict->SetAtName("Encoding", "WinAnsiEncoding"); |
958 } else { | 965 } else { |
959 flags |= PDFFONT_NONSYMBOLIC; | 966 CalculateEncodingDict(pLogFont->lfCharSet, pBaseDict); |
960 size_t i; | |
961 for (i = 0; i < FX_ArraySize(g_FX_CharsetUnicodes); ++i) { | |
962 if (g_FX_CharsetUnicodes[i].m_Charset == pLogFont->lfCharSet) | |
963 break; | |
964 } | |
965 if (i < FX_ArraySize(g_FX_CharsetUnicodes)) { | |
966 CPDF_Dictionary* pEncoding = new CPDF_Dictionary; | |
967 pEncoding->SetAtName("BaseEncoding", "WinAnsiEncoding"); | |
968 CPDF_Array* pArray = new CPDF_Array; | |
969 pArray->AddInteger(128); | |
970 const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes; | |
971 for (int j = 0; j < 128; j++) { | |
972 CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]); | |
973 pArray->AddName(name.IsEmpty() ? ".notdef" : name); | |
974 } | |
975 pEncoding->SetAt("Differences", pArray); | |
976 AddIndirectObject(pEncoding); | |
977 pBaseDict->SetAtReference("Encoding", this, pEncoding); | |
978 } | |
979 } | 967 } |
980 if (pLogFont->lfWeight > FW_MEDIUM && pLogFont->lfItalic) | |
981 basefont += ",BoldItalic"; | |
982 else if (pLogFont->lfWeight > FW_MEDIUM) | |
983 basefont += ",Bold"; | |
984 else if (pLogFont->lfItalic) | |
985 basefont += ",Italic"; | |
986 | |
987 pBaseDict->SetAtName("Subtype", "TrueType"); | |
988 pBaseDict->SetAtName("BaseFont", basefont); | |
989 pBaseDict->SetAtNumber("FirstChar", 32); | |
990 pBaseDict->SetAtNumber("LastChar", 255); | |
991 int char_widths[224]; | 968 int char_widths[224]; |
992 GetCharWidth(hDC, 32, 255, char_widths); | 969 GetCharWidth(hDC, 32, 255, char_widths); |
993 CPDF_Array* pWidths = new CPDF_Array; | 970 CPDF_Array* pWidths = new CPDF_Array; |
994 for (size_t i = 0; i < 224; i++) | 971 for (size_t i = 0; i < 224; i++) |
995 pWidths->AddInteger(char_widths[i]); | 972 pWidths->AddInteger(char_widths[i]); |
996 | 973 ProcessNonbCJK(pBaseDict, pLogFont->lfWeight > FW_MEDIUM, |
997 pBaseDict->SetAt("Widths", pWidths); | 974 pLogFont->lfItalic != 0, basefont, pWidths); |
998 } else { | 975 } else { |
999 flags |= PDFFONT_NONSYMBOLIC; | |
1000 pFontDict = new CPDF_Dictionary; | 976 pFontDict = new CPDF_Dictionary; |
1001 CFX_ByteString cmap; | 977 CFX_ByteString cmap; |
1002 CFX_ByteString ordering; | 978 CFX_ByteString ordering; |
1003 int supplement = 0; | 979 int supplement = 0; |
1004 CPDF_Array* pWidthArray = new CPDF_Array; | 980 CPDF_Array* pWidthArray = new CPDF_Array; |
1005 switch (pLogFont->lfCharSet) { | 981 switch (pLogFont->lfCharSet) { |
1006 case CHINESEBIG5_CHARSET: | 982 case CHINESEBIG5_CHARSET: |
1007 cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; | 983 cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H"; |
1008 ordering = "CNS1"; | 984 ordering = "CNS1"; |
1009 supplement = 4; | 985 supplement = 4; |
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1055 pBaseDict->SetAt("DescendantFonts", pArray); | 1031 pBaseDict->SetAt("DescendantFonts", pArray); |
1056 AddIndirectObject(pFontDict); | 1032 AddIndirectObject(pFontDict); |
1057 pArray->AddReference(this, pFontDict); | 1033 pArray->AddReference(this, pFontDict); |
1058 } | 1034 } |
1059 AddIndirectObject(pBaseDict); | 1035 AddIndirectObject(pBaseDict); |
1060 CPDF_Dictionary* pFontDesc = new CPDF_Dictionary; | 1036 CPDF_Dictionary* pFontDesc = new CPDF_Dictionary; |
1061 pFontDesc->SetAtName("Type", "FontDescriptor"); | 1037 pFontDesc->SetAtName("Type", "FontDescriptor"); |
1062 pFontDesc->SetAtName("FontName", basefont); | 1038 pFontDesc->SetAtName("FontName", basefont); |
1063 pFontDesc->SetAtInteger("Flags", flags); | 1039 pFontDesc->SetAtInteger("Flags", flags); |
1064 CPDF_Array* pBBox = new CPDF_Array; | 1040 CPDF_Array* pBBox = new CPDF_Array; |
1065 for (int i = 0; i < 4; i++) { | 1041 for (int i = 0; i < 4; i++) |
1066 pBBox->AddInteger(bbox[i]); | 1042 pBBox->AddInteger(bbox[i]); |
1067 } | |
1068 pFontDesc->SetAt("FontBBox", pBBox); | 1043 pFontDesc->SetAt("FontBBox", pBBox); |
1069 pFontDesc->SetAtInteger("ItalicAngle", italicangle); | 1044 pFontDesc->SetAtInteger("ItalicAngle", italicangle); |
1070 pFontDesc->SetAtInteger("Ascent", ascend); | 1045 pFontDesc->SetAtInteger("Ascent", ascend); |
1071 pFontDesc->SetAtInteger("Descent", descend); | 1046 pFontDesc->SetAtInteger("Descent", descend); |
1072 pFontDesc->SetAtInteger("CapHeight", capheight); | 1047 pFontDesc->SetAtInteger("CapHeight", capheight); |
1073 pFontDesc->SetAtInteger("StemV", pLogFont->lfWeight / 5); | 1048 pFontDesc->SetAtInteger("StemV", pLogFont->lfWeight / 5); |
1074 AddIndirectObject(pFontDesc); | 1049 AddIndirectObject(pFontDesc); |
1075 pFontDict->SetAtReference("FontDescriptor", this, pFontDesc); | 1050 pFontDict->SetAtReference("FontDescriptor", this, pFontDesc); |
1076 hFont = SelectObject(hDC, hFont); | 1051 hFont = SelectObject(hDC, hFont); |
1077 DeleteObject(hFont); | 1052 DeleteObject(hFont); |
1078 DeleteDC(hDC); | 1053 DeleteDC(hDC); |
1079 return LoadFont(pBaseDict); | 1054 return LoadFont(pBaseDict); |
1080 } | 1055 } |
1081 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ | 1056 #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
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