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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 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/font/cpdf_cidfont.h" | 7 #include "core/fpdfapi/font/cpdf_cidfont.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <vector> | 10 #include <vector> |
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355 if (pEncoding->IsName()) { | 355 if (pEncoding->IsName()) { |
356 CFX_ByteString cmap = pEncoding->GetString(); | 356 CFX_ByteString cmap = pEncoding->GetString(); |
357 bool bPromptCJK = m_pFontFile && m_bType1; | 357 bool bPromptCJK = m_pFontFile && m_bType1; |
358 m_pCMap = manager.GetPredefinedCMap(cmap, bPromptCJK); | 358 m_pCMap = manager.GetPredefinedCMap(cmap, bPromptCJK); |
359 if (!m_pCMap) | 359 if (!m_pCMap) |
360 return false; | 360 return false; |
361 } else if (CPDF_Stream* pStream = pEncoding->AsStream()) { | 361 } else if (CPDF_Stream* pStream = pEncoding->AsStream()) { |
362 m_pCMap = new CPDF_CMap; | 362 m_pCMap = new CPDF_CMap; |
363 m_pAllocatedCMap.reset(m_pCMap); | 363 m_pAllocatedCMap.reset(m_pCMap); |
364 CPDF_StreamAcc acc; | 364 CPDF_StreamAcc acc; |
365 acc.LoadAllData(pStream, FALSE); | 365 acc.LoadAllData(pStream, false); |
366 m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); | 366 m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize()); |
367 } else { | 367 } else { |
368 return false; | 368 return false; |
369 } | 369 } |
370 | 370 |
371 m_Charset = m_pCMap->m_Charset; | 371 m_Charset = m_pCMap->m_Charset; |
372 if (m_Charset == CIDSET_UNKNOWN) { | 372 if (m_Charset == CIDSET_UNKNOWN) { |
373 CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictFor("CIDSystemInfo"); | 373 CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictFor("CIDSystemInfo"); |
374 if (pCIDInfo) { | 374 if (pCIDInfo) { |
375 m_Charset = | 375 m_Charset = |
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392 if (pWidthArray) | 392 if (pWidthArray) |
393 LoadMetricsArray(pWidthArray, m_WidthList, 1); | 393 LoadMetricsArray(pWidthArray, m_WidthList, 1); |
394 if (!IsEmbedded()) | 394 if (!IsEmbedded()) |
395 LoadSubstFont(); | 395 LoadSubstFont(); |
396 | 396 |
397 if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { | 397 if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) { |
398 CPDF_Object* pmap = pCIDFontDict->GetDirectObjectFor("CIDToGIDMap"); | 398 CPDF_Object* pmap = pCIDFontDict->GetDirectObjectFor("CIDToGIDMap"); |
399 if (pmap) { | 399 if (pmap) { |
400 if (CPDF_Stream* pStream = pmap->AsStream()) { | 400 if (CPDF_Stream* pStream = pmap->AsStream()) { |
401 m_pStreamAcc.reset(new CPDF_StreamAcc); | 401 m_pStreamAcc.reset(new CPDF_StreamAcc); |
402 m_pStreamAcc->LoadAllData(pStream, FALSE); | 402 m_pStreamAcc->LoadAllData(pStream, false); |
403 } else if (pmap->GetString() == "Identity") { | 403 } else if (pmap->GetString() == "Identity") { |
404 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | 404 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
405 if (m_pFontFile) | 405 if (m_pFontFile) |
406 m_bCIDIsGID = true; | 406 m_bCIDIsGID = true; |
407 #else | 407 #else |
408 m_bCIDIsGID = true; | 408 m_bCIDIsGID = true; |
409 #endif | 409 #endif |
410 } | 410 } |
411 } | 411 } |
412 } | 412 } |
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593 return index; | 593 return index; |
594 | 594 |
595 index = vindex; | 595 index = vindex; |
596 if (pVertGlyph) | 596 if (pVertGlyph) |
597 *pVertGlyph = true; | 597 *pVertGlyph = true; |
598 return index; | 598 return index; |
599 } | 599 } |
600 | 600 |
601 int CPDF_CIDFont::GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) { | 601 int CPDF_CIDFont::GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) { |
602 if (pVertGlyph) | 602 if (pVertGlyph) |
603 *pVertGlyph = FALSE; | 603 *pVertGlyph = false; |
604 | 604 |
605 if (!m_pFontFile && !m_pStreamAcc) { | 605 if (!m_pFontFile && !m_pStreamAcc) { |
606 uint16_t cid = CIDFromCharCode(charcode); | 606 uint16_t cid = CIDFromCharCode(charcode); |
607 FX_WCHAR unicode = 0; | 607 FX_WCHAR unicode = 0; |
608 if (m_bCIDIsGID) { | 608 if (m_bCIDIsGID) { |
609 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ | 609 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ |
610 return cid; | 610 return cid; |
611 #else | 611 #else |
612 if (m_Flags & PDFFONT_SYMBOLIC) | 612 if (m_Flags & PDFFONT_SYMBOLIC) |
613 return cid; | 613 return cid; |
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843 if (m_Charset != CIDSET_JAPAN1 || m_pFontFile) | 843 if (m_Charset != CIDSET_JAPAN1 || m_pFontFile) |
844 return nullptr; | 844 return nullptr; |
845 | 845 |
846 const auto* pEnd = g_Japan1_VertCIDs + FX_ArraySize(g_Japan1_VertCIDs); | 846 const auto* pEnd = g_Japan1_VertCIDs + FX_ArraySize(g_Japan1_VertCIDs); |
847 const auto* pTransform = std::lower_bound( | 847 const auto* pTransform = std::lower_bound( |
848 g_Japan1_VertCIDs, pEnd, CID, | 848 g_Japan1_VertCIDs, pEnd, CID, |
849 [](const CIDTransform& entry, uint16_t cid) { return entry.cid < cid; }); | 849 [](const CIDTransform& entry, uint16_t cid) { return entry.cid < cid; }); |
850 return (pTransform < pEnd && CID == pTransform->cid) ? &pTransform->a | 850 return (pTransform < pEnd && CID == pTransform->cid) ? &pTransform->a |
851 : nullptr; | 851 : nullptr; |
852 } | 852 } |
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