Split core/include/fpdfapi/fpdf_resource.h

core/fpdfapi/fpdf_font/fpdf_font_cid.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfapi/fpdf_font/font_int.h"
 
 #include "core/fpdfapi/fpdf_cmaps/cmap_int.h"
 #include "core/fpdfapi/fpdf_font/ttgsubtable.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
 #include "core/fpdfapi/include/cpdf_modulemgr.h"
 #include "core/fxcrt/include/fx_ext.h"
-#include "core/include/fpdfapi/fpdf_resource.h"
 #include "core/include/fxge/fx_freetype.h"
 #include "core/include/fxge/fx_ge.h"
 
 namespace {
 
 const FX_CHAR* const g_CharsetNames[CIDSET_NUM_SETS] = {
     nullptr, "GB1", "CNS1", "Japan1", "Korea1", "UCS"};
 
-const uint16_t g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200};
 
 class CPDF_PredefinedCMap {
  public:
   const FX_CHAR* m_pName;
   CIDSet m_Charset;
   CIDCoding m_Coding;
   CPDF_CMap::CodingScheme m_CodingScheme;
   uint8_t m_LeadingSegCount;
   uint8_t m_LeadingSegs[4];
 };
@@ skipping 149 matching lines @@
 };
 
 CIDSet CIDSetFromSizeT(size_t index) {
   if (index >= CIDSET_NUM_SETS) {
     NOTREACHED();
     return CIDSET_UNKNOWN;
   }
   return static_cast<CIDSet>(index);
 }
 
-CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) {
-  for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) {
-    if (ordering == CFX_ByteStringC(g_CharsetNames[charset]))
-      return CIDSetFromSizeT(charset);
-  }
-  return CIDSET_UNKNOWN;
-}
-
 CFX_ByteString CMap_GetString(const CFX_ByteStringC& word) {
   return word.Mid(1, word.GetLength() - 2);
 }
 
 int CompareDWORD(const void* data1, const void* data2) {
   return (*(FX_DWORD*)data1) - (*(FX_DWORD*)data2);
 }
 
 int CompareCID(const void* key, const void* element) {
   if ((*(FX_DWORD*)key) < (*(FX_DWORD*)element)) {
@@ skipping 64 matching lines @@
       if (iChar == pRanges[iSeg].m_CharSize)
         return size;
       --iSeg;
     }
     --size;
     ++offset;
   }
   return 1;
 }
 
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-
-bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) {
-  switch (charset) {
-    case CIDSET_GB1:
-    case CIDSET_CNS1:
-    case CIDSET_JAPAN1:
-    case CIDSET_KOREA1:
-      return true;
-
-    default:
-      return false;
-  }
-}
-
-FX_DWORD EmbeddedCharcodeFromUnicode(const FXCMAP_CMap* pEmbedMap,
-                                     CIDSet charset,
-                                     FX_WCHAR unicode) {
-  if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
-    return 0;
-
-  CPDF_FontGlobals* pFontGlobals =
-      CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
-  const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
-  if (!pCodes)
-    return 0;
-
-  int nCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count;
-  for (int i = 0; i < nCodes; ++i) {
-    if (pCodes[i] == unicode) {
-      FX_DWORD CharCode = FPDFAPI_CharCodeFromCID(pEmbedMap, i);
-      if (CharCode != 0) {
-        return CharCode;
-      }
-    }
-  }
-  return 0;
-}
-
-FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap,
-                                     CIDSet charset,
-                                     FX_DWORD charcode) {
-  if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
-    return 0;
-
-  uint16_t cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode);
-  if (cid == 0)
-    return 0;
-
-  CPDF_FontGlobals* pFontGlobals =
-      CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
-  const uint16_t* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
-  if (!pCodes)
-    return 0;
-
-  if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count)
-    return pCodes[cid];
-  return 0;
-}
-
-#endif  // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-
-void FT_UseCIDCharmap(FXFT_Face face, int coding) {
-  int encoding;
-  switch (coding) {
-    case CIDCODING_GB:
-      encoding = FXFT_ENCODING_GB2312;
-      break;
-    case CIDCODING_BIG5:
-      encoding = FXFT_ENCODING_BIG5;
-      break;
-    case CIDCODING_JIS:
-      encoding = FXFT_ENCODING_SJIS;
-      break;
-    case CIDCODING_KOREA:
-      encoding = FXFT_ENCODING_JOHAB;
-      break;
-    default:
-      encoding = FXFT_ENCODING_UNICODE;
-  }
-  int err = FXFT_Select_Charmap(face, encoding);
-  if (err) {
-    err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE);
-  }
-  if (err && FXFT_Get_Face_Charmaps(face)) {
-    FXFT_Set_Charmap(face, *FXFT_Get_Face_Charmaps(face));
-  }
-}
-
-const struct CIDTransform {
-  uint16_t CID;
-  uint8_t a, b, c, d, e, f;
-} g_Japan1_VertCIDs[] = {
-    {97, 129, 0, 0, 127, 55, 0},     {7887, 127, 0, 0, 127, 76, 89},
-    {7888, 127, 0, 0, 127, 79, 94},  {7889, 0, 129, 127, 0, 17, 127},
-    {7890, 0, 129, 127, 0, 17, 127}, {7891, 0, 129, 127, 0, 17, 127},
-    {7892, 0, 129, 127, 0, 17, 127}, {7893, 0, 129, 127, 0, 17, 127},
-    {7894, 0, 129, 127, 0, 17, 127}, {7895, 0, 129, 127, 0, 17, 127},
-    {7896, 0, 129, 127, 0, 17, 127}, {7897, 0, 129, 127, 0, 17, 127},
-    {7898, 0, 129, 127, 0, 17, 127}, {7899, 0, 129, 127, 0, 17, 104},
-    {7900, 0, 129, 127, 0, 17, 127}, {7901, 0, 129, 127, 0, 17, 104},
-    {7902, 0, 129, 127, 0, 17, 127}, {7903, 0, 129, 127, 0, 17, 127},
-    {7904, 0, 129, 127, 0, 17, 127}, {7905, 0, 129, 127, 0, 17, 114},
-    {7906, 0, 129, 127, 0, 17, 127}, {7907, 0, 129, 127, 0, 17, 127},
-    {7908, 0, 129, 127, 0, 17, 127}, {7909, 0, 129, 127, 0, 17, 127},
-    {7910, 0, 129, 127, 0, 17, 127}, {7911, 0, 129, 127, 0, 17, 127},
-    {7912, 0, 129, 127, 0, 17, 127}, {7913, 0, 129, 127, 0, 17, 127},
-    {7914, 0, 129, 127, 0, 17, 127}, {7915, 0, 129, 127, 0, 17, 114},
-    {7916, 0, 129, 127, 0, 17, 127}, {7917, 0, 129, 127, 0, 17, 127},
-    {7918, 127, 0, 0, 127, 18, 25},  {7919, 127, 0, 0, 127, 18, 25},
-    {7920, 127, 0, 0, 127, 18, 25},  {7921, 127, 0, 0, 127, 18, 25},
-    {7922, 127, 0, 0, 127, 18, 25},  {7923, 127, 0, 0, 127, 18, 25},
-    {7924, 127, 0, 0, 127, 18, 25},  {7925, 127, 0, 0, 127, 18, 25},
-    {7926, 127, 0, 0, 127, 18, 25},  {7927, 127, 0, 0, 127, 18, 25},
-    {7928, 127, 0, 0, 127, 18, 25},  {7929, 127, 0, 0, 127, 18, 25},
-    {7930, 127, 0, 0, 127, 18, 25},  {7931, 127, 0, 0, 127, 18, 25},
-    {7932, 127, 0, 0, 127, 18, 25},  {7933, 127, 0, 0, 127, 18, 25},
-    {7934, 127, 0, 0, 127, 18, 25},  {7935, 127, 0, 0, 127, 18, 25},
-    {7936, 127, 0, 0, 127, 18, 25},  {7937, 127, 0, 0, 127, 18, 25},
-    {7938, 127, 0, 0, 127, 18, 25},  {7939, 127, 0, 0, 127, 18, 25},
-    {8720, 0, 129, 127, 0, 19, 102}, {8721, 0, 129, 127, 0, 13, 127},
-    {8722, 0, 129, 127, 0, 19, 108}, {8723, 0, 129, 127, 0, 19, 102},
-    {8724, 0, 129, 127, 0, 19, 102}, {8725, 0, 129, 127, 0, 19, 102},
-    {8726, 0, 129, 127, 0, 19, 102}, {8727, 0, 129, 127, 0, 19, 102},
-    {8728, 0, 129, 127, 0, 19, 114}, {8729, 0, 129, 127, 0, 19, 114},
-    {8730, 0, 129, 127, 0, 38, 108}, {8731, 0, 129, 127, 0, 13, 108},
-    {8732, 0, 129, 127, 0, 19, 108}, {8733, 0, 129, 127, 0, 19, 108},
-    {8734, 0, 129, 127, 0, 19, 108}, {8735, 0, 129, 127, 0, 19, 108},
-    {8736, 0, 129, 127, 0, 19, 102}, {8737, 0, 129, 127, 0, 19, 102},
-    {8738, 0, 129, 127, 0, 19, 102}, {8739, 0, 129, 127, 0, 19, 102},
-    {8740, 0, 129, 127, 0, 19, 102}, {8741, 0, 129, 127, 0, 19, 102},
-    {8742, 0, 129, 127, 0, 19, 102}, {8743, 0, 129, 127, 0, 19, 102},
-    {8744, 0, 129, 127, 0, 19, 102}, {8745, 0, 129, 127, 0, 19, 102},
-    {8746, 0, 129, 127, 0, 19, 114}, {8747, 0, 129, 127, 0, 19, 114},
-    {8748, 0, 129, 127, 0, 19, 102}, {8749, 0, 129, 127, 0, 19, 102},
-    {8750, 0, 129, 127, 0, 19, 102}, {8751, 0, 129, 127, 0, 19, 102},
-    {8752, 0, 129, 127, 0, 19, 102}, {8753, 0, 129, 127, 0, 19, 102},
-    {8754, 0, 129, 127, 0, 19, 102}, {8755, 0, 129, 127, 0, 19, 102},
-    {8756, 0, 129, 127, 0, 19, 102}, {8757, 0, 129, 127, 0, 19, 102},
-    {8758, 0, 129, 127, 0, 19, 102}, {8759, 0, 129, 127, 0, 19, 102},
-    {8760, 0, 129, 127, 0, 19, 102}, {8761, 0, 129, 127, 0, 19, 102},
-    {8762, 0, 129, 127, 0, 19, 102}, {8763, 0, 129, 127, 0, 19, 102},
-    {8764, 0, 129, 127, 0, 19, 102}, {8765, 0, 129, 127, 0, 19, 102},
-    {8766, 0, 129, 127, 0, 19, 102}, {8767, 0, 129, 127, 0, 19, 102},
-    {8768, 0, 129, 127, 0, 19, 102}, {8769, 0, 129, 127, 0, 19, 102},
-    {8770, 0, 129, 127, 0, 19, 102}, {8771, 0, 129, 127, 0, 19, 102},
-    {8772, 0, 129, 127, 0, 19, 102}, {8773, 0, 129, 127, 0, 19, 102},
-    {8774, 0, 129, 127, 0, 19, 102}, {8775, 0, 129, 127, 0, 19, 102},
-    {8776, 0, 129, 127, 0, 19, 102}, {8777, 0, 129, 127, 0, 19, 102},
-    {8778, 0, 129, 127, 0, 19, 102}, {8779, 0, 129, 127, 0, 19, 114},
-    {8780, 0, 129, 127, 0, 19, 108}, {8781, 0, 129, 127, 0, 19, 114},
-    {8782, 0, 129, 127, 0, 13, 114}, {8783, 0, 129, 127, 0, 19, 108},
-    {8784, 0, 129, 127, 0, 13, 114}, {8785, 0, 129, 127, 0, 19, 108},
-    {8786, 0, 129, 127, 0, 19, 108}, {8787, 0, 129, 127, 0, 19, 108},
-    {8788, 0, 129, 127, 0, 19, 108}, {8789, 0, 129, 127, 0, 19, 108},
-    {8790, 0, 129, 127, 0, 19, 108}, {8791, 0, 129, 127, 0, 19, 108},
-    {8792, 0, 129, 127, 0, 19, 108}, {8793, 0, 129, 127, 0, 19, 108},
-    {8794, 0, 129, 127, 0, 19, 108}, {8795, 0, 129, 127, 0, 19, 108},
-    {8796, 0, 129, 127, 0, 19, 108}, {8797, 0, 129, 127, 0, 19, 108},
-    {8798, 0, 129, 127, 0, 19, 108}, {8799, 0, 129, 127, 0, 19, 108},
-    {8800, 0, 129, 127, 0, 19, 108}, {8801, 0, 129, 127, 0, 19, 108},
-    {8802, 0, 129, 127, 0, 19, 108}, {8803, 0, 129, 127, 0, 19, 108},
-    {8804, 0, 129, 127, 0, 19, 108}, {8805, 0, 129, 127, 0, 19, 108},
-    {8806, 0, 129, 127, 0, 19, 108}, {8807, 0, 129, 127, 0, 19, 108},
-    {8808, 0, 129, 127, 0, 19, 108}, {8809, 0, 129, 127, 0, 19, 108},
-    {8810, 0, 129, 127, 0, 19, 108}, {8811, 0, 129, 127, 0, 19, 114},
-    {8812, 0, 129, 127, 0, 19, 102}, {8813, 0, 129, 127, 0, 19, 114},
-    {8814, 0, 129, 127, 0, 76, 102}, {8815, 0, 129, 127, 0, 13, 121},
-    {8816, 0, 129, 127, 0, 19, 114}, {8817, 0, 129, 127, 0, 19, 127},
-    {8818, 0, 129, 127, 0, 19, 114}, {8819, 0, 129, 127, 0, 218, 108},
-};
-
-int CompareCIDTransform(const void* key, const void* element) {
-  uint16_t CID = *static_cast<const uint16_t*>(key);
-  return CID - static_cast<const struct CIDTransform*>(element)->CID;
-}
-
 }  // namespace
 
 CPDF_CMapManager::CPDF_CMapManager() {
   m_bPrompted = FALSE;
   FXSYS_memset(m_CID2UnicodeMaps, 0, sizeof m_CID2UnicodeMaps);
 }
 CPDF_CMapManager::~CPDF_CMapManager() {
   for (const auto& pair : m_CMaps) {
     delete pair.second;
   }
@@ skipping 494 matching lines @@
   return 0;
 }
 
 void CPDF_CID2UnicodeMap::Load(CPDF_CMapManager* pMgr,
                                CIDSet charset,
                                FX_BOOL bPromptCJK) {
   m_Charset = charset;
   FPDFAPI_LoadCID2UnicodeMap(charset, m_pEmbeddedMap, m_EmbeddedCount);
 }
 
-CPDF_CIDFont::CPDF_CIDFont()
-    : m_pCMap(nullptr),
-      m_pAllocatedCMap(nullptr),
-      m_pCID2UnicodeMap(nullptr),
-      m_pCIDToGIDMap(nullptr),
-      m_bCIDIsGID(FALSE),
-      m_pAnsiWidths(nullptr),
-      m_bAdobeCourierStd(FALSE),
-      m_pTTGSUBTable(nullptr) {}
-
-CPDF_CIDFont::~CPDF_CIDFont() {
-  if (m_pAnsiWidths) {
-    FX_Free(m_pAnsiWidths);
+CIDSet CharsetFromOrdering(const CFX_ByteString& ordering) {
+  for (size_t charset = 1; charset < FX_ArraySize(g_CharsetNames); ++charset) {
+    if (ordering == CFX_ByteStringC(g_CharsetNames[charset]))
+      return CIDSetFromSizeT(charset);
   }
-  delete m_pAllocatedCMap;
-  delete m_pCIDToGIDMap;
-  delete m_pTTGSUBTable;
+  return CIDSET_UNKNOWN;
 }
-
-bool CPDF_CIDFont::IsCIDFont() const {
-  return true;
-}
-
-const CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() const {
-  return this;
-}
-
-CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() {
-  return this;
-}
-
-uint16_t CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const {
-  if (!m_pCMap) {
-    return (uint16_t)charcode;
-  }
-  return m_pCMap->CIDFromCharCode(charcode);
-}
-
-FX_BOOL CPDF_CIDFont::IsVertWriting() const {
-  return m_pCMap ? m_pCMap->IsVertWriting() : FALSE;
-}
-
-CFX_WideString CPDF_CIDFont::UnicodeFromCharCode(FX_DWORD charcode) const {
-  CFX_WideString str = CPDF_Font::UnicodeFromCharCode(charcode);
-  if (!str.IsEmpty())
-    return str;
-  FX_WCHAR ret = GetUnicodeFromCharCode(charcode);
-  if (ret == 0)
-    return CFX_WideString();
-  return ret;
-}
-
-FX_WCHAR CPDF_CIDFont::GetUnicodeFromCharCode(FX_DWORD charcode) const {
-  switch (m_pCMap->m_Coding) {
-    case CIDCODING_UCS2:
-    case CIDCODING_UTF16:
-      return (FX_WCHAR)charcode;
-    case CIDCODING_CID:
-      if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) {
-        return 0;
-      }
-      return m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)charcode);
-  }
-  if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap ||
-      !m_pCID2UnicodeMap->IsLoaded()) {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-    FX_WCHAR unicode;
-    int charsize = 1;
-    if (charcode > 255) {
-      charcode = (charcode % 256) * 256 + (charcode / 256);
-      charsize = 2;
-    }
-    int ret = FXSYS_MultiByteToWideChar(g_CharsetCPs[m_pCMap->m_Coding], 0,
-                                        (const FX_CHAR*)&charcode, charsize,
-                                        &unicode, 1);
-    if (ret != 1) {
-      return 0;
-    }
-    return unicode;
-#else
-    if (m_pCMap->m_pEmbedMap) {
-      return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap,
-                                         m_pCMap->m_Charset, charcode);
-    }
-    return 0;
-#endif
-  }
-  return m_pCID2UnicodeMap->UnicodeFromCID(CIDFromCharCode(charcode));
-}
-
-FX_DWORD CPDF_CIDFont::CharCodeFromUnicode(FX_WCHAR unicode) const {
-  FX_DWORD charcode = CPDF_Font::CharCodeFromUnicode(unicode);
-  if (charcode)
-    return charcode;
-  switch (m_pCMap->m_Coding) {
-    case CIDCODING_UNKNOWN:
-      return 0;
-    case CIDCODING_UCS2:
-    case CIDCODING_UTF16:
-      return unicode;
-    case CIDCODING_CID: {
-      if (!m_pCID2UnicodeMap || !m_pCID2UnicodeMap->IsLoaded()) {
-        return 0;
-      }
-      FX_DWORD CID = 0;
-      while (CID < 65536) {
-        FX_WCHAR this_unicode =
-            m_pCID2UnicodeMap->UnicodeFromCID((uint16_t)CID);
-        if (this_unicode == unicode) {
-          return CID;
-        }
-        CID++;
-      }
-      break;
-    }
-  }
-
-  if (unicode < 0x80) {
-    return static_cast<FX_DWORD>(unicode);
-  }
-  if (m_pCMap->m_Coding == CIDCODING_CID) {
-    return 0;
-  }
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-  uint8_t buffer[32];
-  int ret =
-      FXSYS_WideCharToMultiByte(g_CharsetCPs[m_pCMap->m_Coding], 0, &unicode, 1,
-                                (char*)buffer, 4, NULL, NULL);
-  if (ret == 1) {
-    return buffer[0];
-  }
-  if (ret == 2) {
-    return buffer[0] * 256 + buffer[1];
-  }
-#else
-  if (m_pCMap->m_pEmbedMap) {
-    return EmbeddedCharcodeFromUnicode(m_pCMap->m_pEmbedMap, m_pCMap->m_Charset,
-                                       unicode);
-  }
-#endif
-  return 0;
-}
-
-FX_BOOL CPDF_CIDFont::Load() {
-  if (m_pFontDict->GetStringBy("Subtype") == "TrueType") {
-    return LoadGB2312();
-  }
-  CPDF_Array* pFonts = m_pFontDict->GetArrayBy("DescendantFonts");
-  if (!pFonts) {
-    return FALSE;
-  }
-  if (pFonts->GetCount() != 1) {
-    return FALSE;
-  }
-  CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0);
-  if (!pCIDFontDict) {
-    return FALSE;
-  }
-  m_BaseFont = pCIDFontDict->GetStringBy("BaseFont");
-  if ((m_BaseFont.Compare("CourierStd") == 0 ||
-       m_BaseFont.Compare("CourierStd-Bold") == 0 ||
-       m_BaseFont.Compare("CourierStd-BoldOblique") == 0 ||
-       m_BaseFont.Compare("CourierStd-Oblique") == 0) &&
-      !IsEmbedded()) {
-    m_bAdobeCourierStd = TRUE;
-  }
-  CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictBy("FontDescriptor");
-  if (pFontDesc) {
-    LoadFontDescriptor(pFontDesc);
-  }
-  CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding");
-  if (!pEncoding) {
-    return FALSE;
-  }
-  CFX_ByteString subtype = pCIDFontDict->GetStringBy("Subtype");
-  m_bType1 = (subtype == "CIDFontType0");
-
-  if (pEncoding->IsName()) {
-    CFX_ByteString cmap = pEncoding->GetString();
-    m_pCMap =
-        CPDF_ModuleMgr::Get()
-            ->GetPageModule()
-            ->GetFontGlobals()
-            ->m_CMapManager.GetPredefinedCMap(cmap, m_pFontFile && m_bType1);
-  } else if (CPDF_Stream* pStream = pEncoding->AsStream()) {
-    m_pAllocatedCMap = m_pCMap = new CPDF_CMap;
-    CPDF_StreamAcc acc;
-    acc.LoadAllData(pStream, FALSE);
-    m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize());
-  } else {
-    return FALSE;
-  }
-  if (!m_pCMap) {
-    return FALSE;
-  }
-  m_Charset = m_pCMap->m_Charset;
-  if (m_Charset == CIDSET_UNKNOWN) {
-    CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictBy("CIDSystemInfo");
-    if (pCIDInfo) {
-      m_Charset = CharsetFromOrdering(pCIDInfo->GetStringBy("Ordering"));
-    }
-  }
-  if (m_Charset != CIDSET_UNKNOWN)
-    m_pCID2UnicodeMap =
-        CPDF_ModuleMgr::Get()
-            ->GetPageModule()
-            ->GetFontGlobals()
-            ->m_CMapManager.GetCID2UnicodeMap(
-                m_Charset,
-                !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID ||
-                                 pCIDFontDict->KeyExist("W")));
-  if (m_Font.GetFace()) {
-    if (m_bType1) {
-      FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
-    } else {
-      FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding);
-    }
-  }
-  m_DefaultWidth = pCIDFontDict->GetIntegerBy("DW", 1000);
-  CPDF_Array* pWidthArray = pCIDFontDict->GetArrayBy("W");
-  if (pWidthArray) {
-    LoadMetricsArray(pWidthArray, m_WidthList, 1);
-  }
-  if (!IsEmbedded()) {
-    LoadSubstFont();
-  }
-  if (1) {
-    if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
-      CPDF_Object* pmap = pCIDFontDict->GetElementValue("CIDToGIDMap");
-      if (pmap) {
-        if (CPDF_Stream* pStream = pmap->AsStream()) {
-          m_pCIDToGIDMap = new CPDF_StreamAcc;
-          m_pCIDToGIDMap->LoadAllData(pStream, FALSE);
-        } else if (pmap->GetString() == "Identity") {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
-          if (m_pFontFile) {
-            m_bCIDIsGID = TRUE;
-          }
-#else
-          m_bCIDIsGID = TRUE;
-#endif
-        }
-      }
-    }
-  }
-  CheckFontMetrics();
-  if (IsVertWriting()) {
-    pWidthArray = pCIDFontDict->GetArrayBy("W2");
-    if (pWidthArray) {
-      LoadMetricsArray(pWidthArray, m_VertMetrics, 3);
-    }
-    CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayBy("DW2");
-    if (pDefaultArray) {
-      m_DefaultVY = pDefaultArray->GetIntegerAt(0);
-      m_DefaultW1 = pDefaultArray->GetIntegerAt(1);
-    } else {
-      m_DefaultVY = 880;
-      m_DefaultW1 = -1000;
-    }
-  }
-  return TRUE;
-}
-
-FX_RECT CPDF_CIDFont::GetCharBBox(FX_DWORD charcode, int level) {
-  if (charcode < 256 && m_CharBBox[charcode].right != FX_SMALL_RECT::kInvalid)
-    return FX_RECT(m_CharBBox[charcode]);
-
-  FX_RECT rect;
-  FX_BOOL bVert = FALSE;
-  int glyph_index = GlyphFromCharCode(charcode, &bVert);
-  FXFT_Face face = m_Font.GetFace();
-  if (face) {
-    if (FXFT_Is_Face_Tricky(face)) {
-      int err = FXFT_Load_Glyph(face, glyph_index,
-                                FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
-      if (!err) {
-        FXFT_BBox cbox;
-        FXFT_Glyph glyph;
-        err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph);
-        if (!err) {
-          FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
-          int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem;
-          int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem;
-          if (pixel_size_x == 0 || pixel_size_y == 0) {
-            rect = FX_RECT(cbox.xMin, cbox.yMax, cbox.xMax, cbox.yMin);
-          } else {
-            rect = FX_RECT(cbox.xMin * 1000 / pixel_size_x,
-                           cbox.yMax * 1000 / pixel_size_y,
-                           cbox.xMax * 1000 / pixel_size_x,
-                           cbox.yMin * 1000 / pixel_size_y);
-          }
-          if (rect.top > FXFT_Get_Face_Ascender(face)) {
-            rect.top = FXFT_Get_Face_Ascender(face);
-          }
-          if (rect.bottom < FXFT_Get_Face_Descender(face)) {
-            rect.bottom = FXFT_Get_Face_Descender(face);
-          }
-          FXFT_Done_Glyph(glyph);
-        }
-      }
-    } else {
-      int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE);
-      if (err == 0) {
-        rect = FX_RECT(TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face),
-                       TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face),
-                       TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) +
-                                  FXFT_Get_Glyph_Width(face),
-                              face),
-                       TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) -
-                                  FXFT_Get_Glyph_Height(face),
-                              face));
-        rect.top += rect.top / 64;
-      }
-    }
-  }
-  if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) {
-    uint16_t CID = CIDFromCharCode(charcode);
-    const uint8_t* pTransform = GetCIDTransform(CID);
-    if (pTransform && !bVert) {
-      CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]),
-                        CIDTransformToFloat(pTransform[1]),
-                        CIDTransformToFloat(pTransform[2]),
-                        CIDTransformToFloat(pTransform[3]),
-                        CIDTransformToFloat(pTransform[4]) * 1000,
-                        CIDTransformToFloat(pTransform[5]) * 1000);
-      CFX_FloatRect rect_f(rect);
-      rect_f.Transform(&matrix);
-      rect = rect_f.GetOutterRect();
-    }
-  }
-  if (charcode < 256)
-    m_CharBBox[charcode] = rect.ToSmallRect();
-
-  return rect;
-}
-int CPDF_CIDFont::GetCharWidthF(FX_DWORD charcode, int level) {
-  if (m_pAnsiWidths && charcode < 0x80) {
-    return m_pAnsiWidths[charcode];
-  }
-  uint16_t cid = CIDFromCharCode(charcode);
-  int size = m_WidthList.GetSize();
-  FX_DWORD* list = m_WidthList.GetData();
-  for (int i = 0; i < size; i += 3) {
-    if (cid >= list[i] && cid <= list[i + 1]) {
-      return (int)list[i + 2];
-    }
-  }
-  return m_DefaultWidth;
-}
-short CPDF_CIDFont::GetVertWidth(uint16_t CID) const {
-  FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
-  if (vertsize == 0) {
-    return m_DefaultW1;
-  }
-  const FX_DWORD* pTable = m_VertMetrics.GetData();
-  for (FX_DWORD i = 0; i < vertsize; i++)
-    if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
-      return (short)(int)pTable[i * 5 + 2];
-    }
-  return m_DefaultW1;
-}
-void CPDF_CIDFont::GetVertOrigin(uint16_t CID, short& vx, short& vy) const {
-  FX_DWORD vertsize = m_VertMetrics.GetSize() / 5;
-  if (vertsize) {
-    const FX_DWORD* pTable = m_VertMetrics.GetData();
-    for (FX_DWORD i = 0; i < vertsize; i++)
-      if (pTable[i * 5] <= CID && pTable[i * 5 + 1] >= CID) {
-        vx = (short)(int)pTable[i * 5 + 3];
-        vy = (short)(int)pTable[i * 5 + 4];
-        return;
-      }
-  }
-  FX_DWORD dwWidth = m_DefaultWidth;
-  int size = m_WidthList.GetSize();
-  const FX_DWORD* list = m_WidthList.GetData();
-  for (int i = 0; i < size; i += 3) {
-    if (CID >= list[i] && CID <= list[i + 1]) {
-      dwWidth = (uint16_t)list[i + 2];
-      break;
-    }
-  }
-  vx = (short)dwWidth / 2;
-  vy = (short)m_DefaultVY;
-}
-int CPDF_CIDFont::GetGlyphIndex(FX_DWORD unicode, FX_BOOL* pVertGlyph) {
-  if (pVertGlyph) {
-    *pVertGlyph = FALSE;
-  }
-  FXFT_Face face = m_Font.GetFace();
-  int index = FXFT_Get_Char_Index(face, unicode);
-  if (unicode == 0x2502) {
-    return index;
-  }
-  if (index && IsVertWriting()) {
-    if (m_pTTGSUBTable) {
-      uint32_t vindex = 0;
-      m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
-      if (vindex) {
-        index = vindex;
-        if (pVertGlyph) {
-          *pVertGlyph = TRUE;
-        }
-      }
-      return index;
-    }
-    if (!m_Font.GetSubData()) {
-      unsigned long length = 0;
-      int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0,
-                                       NULL, &length);
-      if (!error) {
-        m_Font.SetSubData(FX_Alloc(uint8_t, length));
-      }
-    }
-    int error = FXFT_Load_Sfnt_Table(face, FT_MAKE_TAG('G', 'S', 'U', 'B'), 0,
-                                     m_Font.GetSubData(), NULL);
-    if (!error && m_Font.GetSubData()) {
-      m_pTTGSUBTable = new CFX_CTTGSUBTable;
-      m_pTTGSUBTable->LoadGSUBTable((FT_Bytes)m_Font.GetSubData());
-      uint32_t vindex = 0;
-      m_pTTGSUBTable->GetVerticalGlyph(index, &vindex);
-      if (vindex) {
-        index = vindex;
-        if (pVertGlyph) {
-          *pVertGlyph = TRUE;
-        }
-      }
-    }
-    return index;
-  }
-  if (pVertGlyph) {
-    *pVertGlyph = FALSE;
-  }
-  return index;
-}
-int CPDF_CIDFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) {
-  if (pVertGlyph) {
-    *pVertGlyph = FALSE;
-  }
-  if (!m_pFontFile && !m_pCIDToGIDMap) {
-    uint16_t cid = CIDFromCharCode(charcode);
-    FX_WCHAR unicode = 0;
-    if (m_bCIDIsGID) {
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
-      return cid;
-#else
-      if (m_Flags & PDFFONT_SYMBOLIC) {
-        return cid;
-      }
-      CFX_WideString uni_str = UnicodeFromCharCode(charcode);
-      if (uni_str.IsEmpty()) {
-        return cid;
-      }
-      unicode = uni_str.GetAt(0);
-#endif
-    } else {
-      if (cid && m_pCID2UnicodeMap && m_pCID2UnicodeMap->IsLoaded()) {
-        unicode = m_pCID2UnicodeMap->UnicodeFromCID(cid);
-      }
-      if (unicode == 0) {
-        unicode = GetUnicodeFromCharCode(charcode);
-      }
-      if (unicode == 0 && !(m_Flags & PDFFONT_SYMBOLIC)) {
-        unicode = UnicodeFromCharCode(charcode).GetAt(0);
-      }
-    }
-    FXFT_Face face = m_Font.GetFace();
-    if (unicode == 0) {
-      if (!m_bAdobeCourierStd) {
-        return charcode == 0 ? -1 : (int)charcode;
-      }
-      charcode += 31;
-      int index = 0, iBaseEncoding;
-      FX_BOOL bMSUnicode = FT_UseTTCharmap(face, 3, 1);
-      FX_BOOL bMacRoman = FALSE;
-      if (!bMSUnicode) {
-        bMacRoman = FT_UseTTCharmap(face, 1, 0);
-      }
-      iBaseEncoding = PDFFONT_ENCODING_STANDARD;
-      if (bMSUnicode) {
-        iBaseEncoding = PDFFONT_ENCODING_WINANSI;
-      } else if (bMacRoman) {
-        iBaseEncoding = PDFFONT_ENCODING_MACROMAN;
-      }
-      const FX_CHAR* name = GetAdobeCharName(iBaseEncoding, NULL, charcode);
-      if (!name) {
-        return charcode == 0 ? -1 : (int)charcode;
-      }
-      uint16_t unicode = PDF_UnicodeFromAdobeName(name);
-      if (unicode) {
-        if (bMSUnicode) {
-          index = FXFT_Get_Char_Index(face, unicode);
-        } else if (bMacRoman) {
-          FX_DWORD maccode =
-              FT_CharCodeFromUnicode(FXFT_ENCODING_APPLE_ROMAN, unicode);
-          index = !maccode ? FXFT_Get_Name_Index(face, (char*)name)
-                           : FXFT_Get_Char_Index(face, maccode);
-        } else {
-          return FXFT_Get_Char_Index(face, unicode);
-        }
-      } else {
-        return charcode == 0 ? -1 : (int)charcode;
-      }
-      if (index == 0 || index == 0xffff) {
-        return charcode == 0 ? -1 : (int)charcode;
-      }
-      return index;
-    }
-    if (m_Charset == CIDSET_JAPAN1) {
-      if (unicode == '\\') {
-        unicode = '/';
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
-      } else if (unicode == 0xa5) {
-        unicode = 0x5c;
-#endif
-      }
-    }
-    if (!face)
-      return unicode;
-
-    int err = FXFT_Select_Charmap(face, FXFT_ENCODING_UNICODE);
-    if (err != 0) {
-      int i;
-      for (i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) {
-        FX_DWORD ret = FT_CharCodeFromUnicode(
-            FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i]),
-            (FX_WCHAR)charcode);
-        if (ret == 0) {
-          continue;
-        }
-        FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]);
-        unicode = (FX_WCHAR)ret;
-        break;
-      }
-      if (i == FXFT_Get_Face_CharmapCount(face) && i) {
-        FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]);
-        unicode = (FX_WCHAR)charcode;
-      }
-    }
-    if (FXFT_Get_Face_Charmap(face)) {
-      int index = GetGlyphIndex(unicode, pVertGlyph);
-      if (index == 0)
-        return -1;
-      return index;
-    }
-    return unicode;
-  }
-  if (!m_Font.GetFace())
-    return -1;
-
-  uint16_t cid = CIDFromCharCode(charcode);
-  if (m_bType1) {
-    if (!m_pCIDToGIDMap) {
-      return cid;
-    }
-  } else {
-    if (!m_pCIDToGIDMap) {
-      if (m_pFontFile && !m_pCMap->m_pMapping)
-        return cid;
-      if (m_pCMap->m_Coding == CIDCODING_UNKNOWN ||
-          !FXFT_Get_Face_Charmap(m_Font.GetFace())) {
-        return cid;
-      }
-      if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmap(m_Font.GetFace())) ==
-          FXFT_ENCODING_UNICODE) {
-        CFX_WideString unicode_str = UnicodeFromCharCode(charcode);
-        if (unicode_str.IsEmpty()) {
-          return -1;
-        }
-        charcode = unicode_str.GetAt(0);
-      }
-      return GetGlyphIndex(charcode, pVertGlyph);
-    }
-  }
-  FX_DWORD byte_pos = cid * 2;
-  if (byte_pos + 2 > m_pCIDToGIDMap->GetSize())
-    return -1;
-
-  const uint8_t* pdata = m_pCIDToGIDMap->GetData() + byte_pos;
-  return pdata[0] * 256 + pdata[1];
-}
-FX_DWORD CPDF_CIDFont::GetNextChar(const FX_CHAR* pString,
-                                   int nStrLen,
-                                   int& offset) const {
-  return m_pCMap->GetNextChar(pString, nStrLen, offset);
-}
-int CPDF_CIDFont::GetCharSize(FX_DWORD charcode) const {
-  return m_pCMap->GetCharSize(charcode);
-}
-int CPDF_CIDFont::CountChar(const FX_CHAR* pString, int size) const {
-  return m_pCMap->CountChar(pString, size);
-}
-int CPDF_CIDFont::AppendChar(FX_CHAR* str, FX_DWORD charcode) const {
-  return m_pCMap->AppendChar(str, charcode);
-}
-FX_BOOL CPDF_CIDFont::IsUnicodeCompatible() const {
-  if (!m_pCMap->IsLoaded() || !m_pCID2UnicodeMap ||
-      !m_pCID2UnicodeMap->IsLoaded()) {
-    return m_pCMap->m_Coding != CIDCODING_UNKNOWN;
-  }
-  return TRUE;
-}
-FX_BOOL CPDF_CIDFont::IsFontStyleFromCharCode(FX_DWORD charcode) const {
-  return TRUE;
-}
-void CPDF_CIDFont::LoadSubstFont() {
-  m_Font.LoadSubst(m_BaseFont, !m_bType1, m_Flags, m_StemV * 5, m_ItalicAngle,
-                   g_CharsetCPs[m_Charset], IsVertWriting());
-}
-void CPDF_CIDFont::LoadMetricsArray(CPDF_Array* pArray,
-                                    CFX_DWordArray& result,
-                                    int nElements) {
-  int width_status = 0;
-  int iCurElement = 0;
-  int first_code = 0;
-  int last_code = 0;
-  FX_DWORD count = pArray->GetCount();
-  for (FX_DWORD i = 0; i < count; i++) {
-    CPDF_Object* pObj = pArray->GetElementValue(i);
-    if (!pObj)
-      continue;
-
-    if (CPDF_Array* pArray = pObj->AsArray()) {
-      if (width_status != 1)
-        return;
-
-      FX_DWORD count = pArray->GetCount();
-      for (FX_DWORD j = 0; j < count; j += nElements) {
-        result.Add(first_code);
-        result.Add(first_code);
-        for (int k = 0; k < nElements; k++) {
-          result.Add(pArray->GetIntegerAt(j + k));
-        }
-        first_code++;
-      }
-      width_status = 0;
-    } else {
-      if (width_status == 0) {
-        first_code = pObj->GetInteger();
-        width_status = 1;
-      } else if (width_status == 1) {
-        last_code = pObj->GetInteger();
-        width_status = 2;
-        iCurElement = 0;
-      } else {
-        if (!iCurElement) {
-          result.Add(first_code);
-          result.Add(last_code);
-        }
-        result.Add(pObj->GetInteger());
-        iCurElement++;
-        if (iCurElement == nElements) {
-          width_status = 0;
-        }
-      }
-    }
-  }
-}
-
-// static
-FX_FLOAT CPDF_CIDFont::CIDTransformToFloat(uint8_t ch) {
-  if (ch < 128) {
-    return ch * 1.0f / 127;
-  }
-  return (-255 + ch) * 1.0f / 127;
-}
-
-FX_BOOL CPDF_CIDFont::LoadGB2312() {
-  m_BaseFont = m_pFontDict->GetStringBy("BaseFont");
-  CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
-  if (pFontDesc) {
-    LoadFontDescriptor(pFontDesc);
-  }
-  m_Charset = CIDSET_GB1;
-  m_bType1 = FALSE;
-  m_pCMap = CPDF_ModuleMgr::Get()
-                ->GetPageModule()
-                ->GetFontGlobals()
-                ->m_CMapManager.GetPredefinedCMap("GBK-EUC-H", FALSE);
-  m_pCID2UnicodeMap = CPDF_ModuleMgr::Get()
-                          ->GetPageModule()
-                          ->GetFontGlobals()
-                          ->m_CMapManager.GetCID2UnicodeMap(m_Charset, FALSE);
-  if (!IsEmbedded()) {
-    LoadSubstFont();
-  }
-  CheckFontMetrics();
-  m_DefaultWidth = 1000;
-  m_pAnsiWidths = FX_Alloc(uint16_t, 128);
-  for (int i = 32; i < 127; i++) {
-    m_pAnsiWidths[i] = 500;
-  }
-  return TRUE;
-}
-
-const uint8_t* CPDF_CIDFont::GetCIDTransform(uint16_t CID) const {
-  if (m_Charset != CIDSET_JAPAN1 || m_pFontFile)
-    return nullptr;
-
-  const struct CIDTransform* found = (const struct CIDTransform*)FXSYS_bsearch(
-      &CID, g_Japan1_VertCIDs, FX_ArraySize(g_Japan1_VertCIDs),
-      sizeof(g_Japan1_VertCIDs[0]), CompareCIDTransform);
-  return found ? &found->a : nullptr;
-}