Move core/src/ up to core/.

This CL moves the core/src/ files up to core/ and fixes up the include guards,
includes and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1800523005 .

8 files changed, 6348 insertions, 0 deletions

diff --git a/core/fpdfapi/fpdf_font/font_int.h b/core/fpdfapi/fpdf_font/font_int.h
new file mode 100644
index 0000000000..8ceefe353e
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/font_int.h
@@ -0,0 +1,203 @@
+// 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
+
+#ifndef CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_
+#define CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_
+
+#include <map>
+#include <memory>
+
+#include "core/include/fpdfapi/fpdf_resource.h"
+#include "core/include/fxcrt/fx_basic.h"
+
+class CPDF_CID2UnicodeMap;
+class CPDF_CMap;
+class CPDF_Font;
+class CPDF_Stream;
+
+typedef void* FXFT_Library;
+
+short TT2PDF(int m, FXFT_Face face);
+FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id);
+
+class CPDF_CMapManager {
+ public:
+  CPDF_CMapManager();
+  ~CPDF_CMapManager();
+  void* GetPackage(FX_BOOL bPrompt);
+  CPDF_CMap* GetPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK);
+  CPDF_CID2UnicodeMap* GetCID2UnicodeMap(CIDSet charset, FX_BOOL bPromptCJK);
+  void ReloadAll();
+
+ private:
+  CPDF_CMap* LoadPredefinedCMap(const CFX_ByteString& name, FX_BOOL bPromptCJK);
+  CPDF_CID2UnicodeMap* LoadCID2UnicodeMap(CIDSet charset, FX_BOOL bPromptCJK);
+
+  FX_BOOL m_bPrompted;
+  std::map<CFX_ByteString, CPDF_CMap*> m_CMaps;
+  CPDF_CID2UnicodeMap* m_CID2UnicodeMaps[6];
+};
+
+class CFX_StockFontArray {
+ public:
+  CFX_StockFontArray();
+  ~CFX_StockFontArray();
+
+  // Takes ownership of |pFont|.
+  void SetFont(int index, CPDF_Font* pFont);
+  CPDF_Font* GetFont(int index) const;
+
+ private:
+  std::unique_ptr<CPDF_Font> m_StockFonts[14];
+};
+
+class CPDF_FontGlobals {
+ public:
+  CPDF_FontGlobals();
+  ~CPDF_FontGlobals();
+
+  void Clear(CPDF_Document* pDoc);
+  CPDF_Font* Find(CPDF_Document* pDoc, int index);
+
+  // Takes ownership of |pFont|.
+  void Set(CPDF_Document* key, int index, CPDF_Font* pFont);
+
+  CPDF_CMapManager m_CMapManager;
+  struct {
+    const struct FXCMAP_CMap* m_pMapList;
+    int m_Count;
+  } m_EmbeddedCharsets[CIDSET_NUM_SETS];
+  struct {
+    const FX_WORD* m_pMap;
+    int m_Count;
+  } m_EmbeddedToUnicodes[CIDSET_NUM_SETS];
+
+ private:
+  std::map<CPDF_Document*, std::unique_ptr<CFX_StockFontArray>> m_StockMap;
+};
+
+struct CMap_CodeRange {
+  int m_CharSize;
+  uint8_t m_Lower[4];
+  uint8_t m_Upper[4];
+};
+
+class CPDF_CMapParser {
+ public:
+  CPDF_CMapParser();
+  ~CPDF_CMapParser() {}
+  FX_BOOL Initialize(CPDF_CMap* pMap);
+  void ParseWord(const CFX_ByteStringC& str);
+  CFX_BinaryBuf m_AddMaps;
+
+ private:
+  friend class fpdf_font_cid_CMap_GetCode_Test;
+  friend class fpdf_font_cid_CMap_GetCodeRange_Test;
+
+  static FX_DWORD CMap_GetCode(const CFX_ByteStringC& word);
+  static bool CMap_GetCodeRange(CMap_CodeRange& range,
+                                const CFX_ByteStringC& first,
+                                const CFX_ByteStringC& second);
+
+  CPDF_CMap* m_pCMap;
+  int m_Status;
+  int m_CodeSeq;
+  FX_DWORD m_CodePoints[4];
+  CFX_ArrayTemplate<CMap_CodeRange> m_CodeRanges;
+  CFX_ByteString m_Registry, m_Ordering, m_Supplement;
+  CFX_ByteString m_LastWord;
+};
+#define CIDCODING_UNKNOWN 0
+#define CIDCODING_GB 1
+#define CIDCODING_BIG5 2
+#define CIDCODING_JIS 3
+#define CIDCODING_KOREA 4
+#define CIDCODING_UCS2 5
+#define CIDCODING_CID 6
+#define CIDCODING_UTF16 7
+class CPDF_CMap {
+ public:
+  CPDF_CMap();
+  FX_BOOL LoadPredefined(CPDF_CMapManager* pMgr,
+                         const FX_CHAR* name,
+                         FX_BOOL bPromptCJK);
+  FX_BOOL LoadEmbedded(const uint8_t* pData, FX_DWORD dwSize);
+  void Release();
+  FX_BOOL IsLoaded() const { return m_bLoaded; }
+  FX_BOOL IsVertWriting() const { return m_bVertical; }
+  FX_WORD CIDFromCharCode(FX_DWORD charcode) const;
+  FX_DWORD CharCodeFromCID(FX_WORD CID) const;
+  int GetCharSize(FX_DWORD charcode) const;
+  FX_DWORD GetNextChar(const FX_CHAR* pString, int nStrLen, int& offset) const;
+  int CountChar(const FX_CHAR* pString, int size) const;
+  int AppendChar(FX_CHAR* str, FX_DWORD charcode) const;
+  typedef enum {
+    OneByte,
+    TwoBytes,
+    MixedTwoBytes,
+    MixedFourBytes
+  } CodingScheme;
+
+ protected:
+  ~CPDF_CMap();
+  friend class CPDF_CMapParser;
+  friend class CPDF_CMapManager;
+  friend class CPDF_CIDFont;
+
+ protected:
+  CFX_ByteString m_PredefinedCMap;
+  FX_BOOL m_bVertical;
+  CIDSet m_Charset;
+  int m_Coding;
+  CodingScheme m_CodingScheme;
+  int m_nCodeRanges;
+  uint8_t* m_pLeadingBytes;
+  FX_WORD* m_pMapping;
+  uint8_t* m_pAddMapping;
+  FX_BOOL m_bLoaded;
+  const FXCMAP_CMap* m_pEmbedMap;
+  CPDF_CMap* m_pUseMap;
+};
+
+class CPDF_CID2UnicodeMap {
+ public:
+  CPDF_CID2UnicodeMap();
+  ~CPDF_CID2UnicodeMap();
+  FX_BOOL Initialize();
+  FX_BOOL IsLoaded();
+  void Load(CPDF_CMapManager* pMgr, CIDSet charset, FX_BOOL bPromptCJK);
+  FX_WCHAR UnicodeFromCID(FX_WORD CID);
+
+ protected:
+  CIDSet m_Charset;
+  const FX_WORD* m_pEmbeddedMap;
+  FX_DWORD m_EmbeddedCount;
+};
+
+class CPDF_ToUnicodeMap {
+ public:
+  void Load(CPDF_Stream* pStream);
+  CFX_WideString Lookup(FX_DWORD charcode);
+  FX_DWORD ReverseLookup(FX_WCHAR unicode);
+
+ protected:
+  std::map<FX_DWORD, FX_DWORD> m_Map;
+  CPDF_CID2UnicodeMap* m_pBaseMap;
+  CFX_WideTextBuf m_MultiCharBuf;
+
+ private:
+  friend class fpdf_font_StringToCode_Test;
+  friend class fpdf_font_StringToWideString_Test;
+
+  static FX_DWORD StringToCode(const CFX_ByteStringC& str);
+  static CFX_WideString StringToWideString(const CFX_ByteStringC& str);
+};
+
+void FPDFAPI_LoadCID2UnicodeMap(CIDSet charset,
+                                const FX_WORD*& pMap,
+                                FX_DWORD& count);
+
+#endif  // CORE_FPDFAPI_FPDF_FONT_FONT_INT_H_
diff --git a/core/fpdfapi/fpdf_font/fpdf_font.cpp b/core/fpdfapi/fpdf_font/fpdf_font.cpp
new file mode 100644
index 0000000000..98411ef0f1
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/fpdf_font.cpp
@@ -0,0 +1,1814 @@
+// 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_page/pageint.h"
+#include "core/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/cpdf_name.h"
+#include "core/include/fpdfapi/cpdf_number.h"
+#include "core/include/fpdfapi/cpdf_simple_parser.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfapi/fpdf_page.h"
+#include "core/include/fpdfapi/fpdf_pageobj.h"
+#include "core/include/fpdfapi/fpdf_resource.h"
+#include "core/include/fxcrt/fx_ext.h"
+#include "core/include/fxge/fx_freetype.h"
+#include "third_party/base/stl_util.h"
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+#include "core/fxge/apple/apple_int.h"
+#endif
+
+namespace {
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+struct GlyphNameMap {
+  const FX_CHAR* m_pStrAdobe;
+  const FX_CHAR* m_pStrUnicode;
+};
+
+const GlyphNameMap g_GlyphNameSubsts[] = {{"ff", "uniFB00"},
+                                          {"fi", "uniFB01"},
+                                          {"fl", "uniFB02"},
+                                          {"ffi", "uniFB03"},
+                                          {"ffl", "uniFB04"}};
+
+int compareString(const void* key, const void* element) {
+  return FXSYS_stricmp((const FX_CHAR*)key,
+                       ((GlyphNameMap*)element)->m_pStrAdobe);
+}
+
+const FX_CHAR* GlyphNameRemap(const FX_CHAR* pStrAdobe) {
+  GlyphNameMap* found = (GlyphNameMap*)FXSYS_bsearch(
+      pStrAdobe, g_GlyphNameSubsts,
+      sizeof(g_GlyphNameSubsts) / sizeof(GlyphNameMap), sizeof(GlyphNameMap),
+      compareString);
+  if (found)
+    return found->m_pStrUnicode;
+  return NULL;
+}
+#endif
+
+const uint8_t ChineseFontNames[][5] = {{0xCB, 0xCE, 0xCC, 0xE5, 0x00},
+                                       {0xBF, 0xAC, 0xCC, 0xE5, 0x00},
+                                       {0xBA, 0xDA, 0xCC, 0xE5, 0x00},
+                                       {0xB7, 0xC2, 0xCB, 0xCE, 0x00},
+                                       {0xD0, 0xC2, 0xCB, 0xCE, 0x00}};
+
+FX_BOOL GetPredefinedEncoding(int& basemap, const CFX_ByteString& value) {
+  if (value == "WinAnsiEncoding") {
+    basemap = PDFFONT_ENCODING_WINANSI;
+  } else if (value == "MacRomanEncoding") {
+    basemap = PDFFONT_ENCODING_MACROMAN;
+  } else if (value == "MacExpertEncoding") {
+    basemap = PDFFONT_ENCODING_MACEXPERT;
+  } else if (value == "PDFDocEncoding") {
+    basemap = PDFFONT_ENCODING_PDFDOC;
+  } else {
+    return FALSE;
+  }
+  return TRUE;
+}
+
+FX_BOOL FT_UseType1Charmap(FXFT_Face face) {
+  if (FXFT_Get_Face_CharmapCount(face) == 0) {
+    return FALSE;
+  }
+  if (FXFT_Get_Face_CharmapCount(face) == 1 &&
+      FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) ==
+          FXFT_ENCODING_UNICODE) {
+    return FALSE;
+  }
+  if (FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[0]) ==
+      FXFT_ENCODING_UNICODE) {
+    FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[1]);
+  } else {
+    FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[0]);
+  }
+  return TRUE;
+}
+
+}  // namespace
+
+FX_BOOL FT_UseTTCharmap(FXFT_Face face, int platform_id, int encoding_id) {
+  for (int i = 0; i < FXFT_Get_Face_CharmapCount(face); i++) {
+    if (FXFT_Get_Charmap_PlatformID(FXFT_Get_Face_Charmaps(face)[i]) ==
+            platform_id &&
+        FXFT_Get_Charmap_EncodingID(FXFT_Get_Face_Charmaps(face)[i]) ==
+            encoding_id) {
+      FXFT_Set_Charmap(face, FXFT_Get_Face_Charmaps(face)[i]);
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+CFX_StockFontArray::CFX_StockFontArray() {}
+
+CFX_StockFontArray::~CFX_StockFontArray() {
+  for (size_t i = 0; i < FX_ArraySize(m_StockFonts); ++i) {
+    if (!m_StockFonts[i])
+      continue;
+    CPDF_Dictionary* pFontDict = m_StockFonts[i]->GetFontDict();
+    if (pFontDict)
+      pFontDict->Release();
+  }
+}
+
+CPDF_Font* CFX_StockFontArray::GetFont(int index) const {
+  if (index < 0 || index >= FX_ArraySize(m_StockFonts))
+    return nullptr;
+  return m_StockFonts[index].get();
+}
+
+void CFX_StockFontArray::SetFont(int index, CPDF_Font* font) {
+  if (index < 0 || index >= FX_ArraySize(m_StockFonts))
+    return;
+  m_StockFonts[index].reset(font);
+}
+
+CPDF_FontGlobals::CPDF_FontGlobals() {
+  FXSYS_memset(m_EmbeddedCharsets, 0, sizeof(m_EmbeddedCharsets));
+  FXSYS_memset(m_EmbeddedToUnicodes, 0, sizeof(m_EmbeddedToUnicodes));
+}
+
+CPDF_FontGlobals::~CPDF_FontGlobals() {}
+
+CPDF_Font* CPDF_FontGlobals::Find(CPDF_Document* pDoc, int index) {
+  auto it = m_StockMap.find(pDoc);
+  if (it == m_StockMap.end())
+    return nullptr;
+  return it->second ? it->second->GetFont(index) : nullptr;
+}
+
+void CPDF_FontGlobals::Set(CPDF_Document* pDoc, int index, CPDF_Font* pFont) {
+  if (!pdfium::ContainsKey(m_StockMap, pDoc))
+    m_StockMap[pDoc].reset(new CFX_StockFontArray);
+  m_StockMap[pDoc]->SetFont(index, pFont);
+}
+
+void CPDF_FontGlobals::Clear(CPDF_Document* pDoc) {
+  m_StockMap.erase(pDoc);
+}
+
+CPDF_Font::CPDF_Font()
+    : m_pFontFile(nullptr),
+      m_pFontDict(nullptr),
+      m_pToUnicodeMap(nullptr),
+      m_bToUnicodeLoaded(FALSE),
+      m_Flags(0),
+      m_StemV(0),
+      m_Ascent(0),
+      m_Descent(0),
+      m_ItalicAngle(0) {}
+
+CPDF_Font::~CPDF_Font() {
+  delete m_pToUnicodeMap;
+  m_pToUnicodeMap = NULL;
+
+  if (m_pFontFile) {
+    m_pDocument->GetPageData()->ReleaseFontFileStreamAcc(
+        const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream()));
+  }
+}
+
+bool CPDF_Font::IsType1Font() const {
+  return false;
+}
+
+bool CPDF_Font::IsTrueTypeFont() const {
+  return false;
+}
+
+bool CPDF_Font::IsType3Font() const {
+  return false;
+}
+
+bool CPDF_Font::IsCIDFont() const {
+  return false;
+}
+
+const CPDF_Type1Font* CPDF_Font::AsType1Font() const {
+  return nullptr;
+}
+
+CPDF_Type1Font* CPDF_Font::AsType1Font() {
+  return nullptr;
+}
+
+const CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() const {
+  return nullptr;
+}
+
+CPDF_TrueTypeFont* CPDF_Font::AsTrueTypeFont() {
+  return nullptr;
+}
+
+const CPDF_Type3Font* CPDF_Font::AsType3Font() const {
+  return nullptr;
+}
+
+CPDF_Type3Font* CPDF_Font::AsType3Font() {
+  return nullptr;
+}
+
+const CPDF_CIDFont* CPDF_Font::AsCIDFont() const {
+  return nullptr;
+}
+
+CPDF_CIDFont* CPDF_Font::AsCIDFont() {
+  return nullptr;
+}
+
+FX_BOOL CPDF_Font::IsUnicodeCompatible() const {
+  return FALSE;
+}
+
+int CPDF_Font::CountChar(const FX_CHAR* pString, int size) const {
+  return size;
+}
+
+int CPDF_Font::GetCharSize(FX_DWORD charcode) const {
+  return 1;
+}
+
+int CPDF_Font::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) {
+  ASSERT(false);
+  return 0;
+}
+
+int CPDF_Font::GlyphFromCharCodeExt(FX_DWORD charcode) {
+  return GlyphFromCharCode(charcode);
+}
+
+FX_BOOL CPDF_Font::IsVertWriting() const {
+  FX_BOOL bVertWriting = FALSE;
+  const CPDF_CIDFont* pCIDFont = AsCIDFont();
+  if (pCIDFont) {
+    bVertWriting = pCIDFont->IsVertWriting();
+  } else {
+    bVertWriting = m_Font.IsVertical();
+  }
+  return bVertWriting;
+}
+
+int CPDF_Font::AppendChar(FX_CHAR* buf, FX_DWORD charcode) const {
+  *buf = (FX_CHAR)charcode;
+  return 1;
+}
+
+void CPDF_Font::AppendChar(CFX_ByteString& str, FX_DWORD charcode) const {
+  char buf[4];
+  int len = AppendChar(buf, charcode);
+  if (len == 1) {
+    str += buf[0];
+  } else {
+    str += CFX_ByteString(buf, len);
+  }
+}
+
+CFX_WideString CPDF_Font::UnicodeFromCharCode(FX_DWORD charcode) const {
+  if (!m_bToUnicodeLoaded)
+    ((CPDF_Font*)this)->LoadUnicodeMap();
+
+  if (m_pToUnicodeMap)
+    return m_pToUnicodeMap->Lookup(charcode);
+  return CFX_WideString();
+}
+
+FX_DWORD CPDF_Font::CharCodeFromUnicode(FX_WCHAR unicode) const {
+  if (!m_bToUnicodeLoaded)
+    ((CPDF_Font*)this)->LoadUnicodeMap();
+
+  if (m_pToUnicodeMap)
+    return m_pToUnicodeMap->ReverseLookup(unicode);
+  return 0;
+}
+
+void CPDF_Font::LoadFontDescriptor(CPDF_Dictionary* pFontDesc) {
+  m_Flags = pFontDesc->GetIntegerBy("Flags", PDFFONT_NONSYMBOLIC);
+  int ItalicAngle = 0;
+  FX_BOOL bExistItalicAngle = FALSE;
+  if (pFontDesc->KeyExist("ItalicAngle")) {
+    ItalicAngle = pFontDesc->GetIntegerBy("ItalicAngle");
+    bExistItalicAngle = TRUE;
+  }
+  if (ItalicAngle < 0) {
+    m_Flags |= PDFFONT_ITALIC;
+    m_ItalicAngle = ItalicAngle;
+  }
+  FX_BOOL bExistStemV = FALSE;
+  if (pFontDesc->KeyExist("StemV")) {
+    m_StemV = pFontDesc->GetIntegerBy("StemV");
+    bExistStemV = TRUE;
+  }
+  FX_BOOL bExistAscent = FALSE;
+  if (pFontDesc->KeyExist("Ascent")) {
+    m_Ascent = pFontDesc->GetIntegerBy("Ascent");
+    bExistAscent = TRUE;
+  }
+  FX_BOOL bExistDescent = FALSE;
+  if (pFontDesc->KeyExist("Descent")) {
+    m_Descent = pFontDesc->GetIntegerBy("Descent");
+    bExistDescent = TRUE;
+  }
+  FX_BOOL bExistCapHeight = FALSE;
+  if (pFontDesc->KeyExist("CapHeight")) {
+    bExistCapHeight = TRUE;
+  }
+  if (bExistItalicAngle && bExistAscent && bExistCapHeight && bExistDescent &&
+      bExistStemV) {
+    m_Flags |= PDFFONT_USEEXTERNATTR;
+  }
+  if (m_Descent > 10) {
+    m_Descent = -m_Descent;
+  }
+  CPDF_Array* pBBox = pFontDesc->GetArrayBy("FontBBox");
+  if (pBBox) {
+    m_FontBBox.left = pBBox->GetIntegerAt(0);
+    m_FontBBox.bottom = pBBox->GetIntegerAt(1);
+    m_FontBBox.right = pBBox->GetIntegerAt(2);
+    m_FontBBox.top = pBBox->GetIntegerAt(3);
+  }
+
+  CPDF_Stream* pFontFile = pFontDesc->GetStreamBy("FontFile");
+  if (!pFontFile)
+    pFontFile = pFontDesc->GetStreamBy("FontFile2");
+  if (!pFontFile)
+    pFontFile = pFontDesc->GetStreamBy("FontFile3");
+  if (!pFontFile)
+    return;
+
+  m_pFontFile = m_pDocument->LoadFontFile(pFontFile);
+  if (!m_pFontFile)
+    return;
+
+  const uint8_t* pFontData = m_pFontFile->GetData();
+  FX_DWORD dwFontSize = m_pFontFile->GetSize();
+  if (!m_Font.LoadEmbedded(pFontData, dwFontSize)) {
+    m_pDocument->GetPageData()->ReleaseFontFileStreamAcc(
+        const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream()));
+    m_pFontFile = nullptr;
+  }
+}
+
+short TT2PDF(int m, FXFT_Face face) {
+  int upm = FXFT_Get_Face_UnitsPerEM(face);
+  if (upm == 0) {
+    return (short)m;
+  }
+  return (m * 1000 + upm / 2) / upm;
+}
+
+void CPDF_Font::CheckFontMetrics() {
+  if (m_FontBBox.top == 0 && m_FontBBox.bottom == 0 && m_FontBBox.left == 0 &&
+      m_FontBBox.right == 0) {
+    FXFT_Face face = m_Font.GetFace();
+    if (face) {
+      m_FontBBox.left = TT2PDF(FXFT_Get_Face_xMin(face), face);
+      m_FontBBox.bottom = TT2PDF(FXFT_Get_Face_yMin(face), face);
+      m_FontBBox.right = TT2PDF(FXFT_Get_Face_xMax(face), face);
+      m_FontBBox.top = TT2PDF(FXFT_Get_Face_yMax(face), face);
+      m_Ascent = TT2PDF(FXFT_Get_Face_Ascender(face), face);
+      m_Descent = TT2PDF(FXFT_Get_Face_Descender(face), face);
+    } else {
+      FX_BOOL bFirst = TRUE;
+      for (int i = 0; i < 256; i++) {
+        FX_RECT rect = GetCharBBox(i);
+        if (rect.left == rect.right) {
+          continue;
+        }
+        if (bFirst) {
+          m_FontBBox = rect;
+          bFirst = FALSE;
+        } else {
+          if (m_FontBBox.top < rect.top) {
+            m_FontBBox.top = rect.top;
+          }
+          if (m_FontBBox.right < rect.right) {
+            m_FontBBox.right = rect.right;
+          }
+          if (m_FontBBox.left > rect.left) {
+            m_FontBBox.left = rect.left;
+          }
+          if (m_FontBBox.bottom > rect.bottom) {
+            m_FontBBox.bottom = rect.bottom;
+          }
+        }
+      }
+    }
+  }
+  if (m_Ascent == 0 && m_Descent == 0) {
+    FX_RECT rect = GetCharBBox('A');
+    m_Ascent = rect.bottom == rect.top ? m_FontBBox.top : rect.top;
+    rect = GetCharBBox('g');
+    m_Descent = rect.bottom == rect.top ? m_FontBBox.bottom : rect.bottom;
+  }
+}
+
+void CPDF_Font::LoadUnicodeMap() {
+  m_bToUnicodeLoaded = TRUE;
+  CPDF_Stream* pStream = m_pFontDict->GetStreamBy("ToUnicode");
+  if (!pStream) {
+    return;
+  }
+  m_pToUnicodeMap = new CPDF_ToUnicodeMap;
+  m_pToUnicodeMap->Load(pStream);
+}
+
+int CPDF_Font::GetStringWidth(const FX_CHAR* pString, int size) {
+  int offset = 0;
+  int width = 0;
+  while (offset < size) {
+    FX_DWORD charcode = GetNextChar(pString, size, offset);
+    width += GetCharWidthF(charcode);
+  }
+  return width;
+}
+
+CPDF_Font* CPDF_Font::GetStockFont(CPDF_Document* pDoc,
+                                   const CFX_ByteStringC& name) {
+  CFX_ByteString fontname(name);
+  int font_id = PDF_GetStandardFontName(&fontname);
+  if (font_id < 0) {
+    return nullptr;
+  }
+  CPDF_FontGlobals* pFontGlobals =
+      CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
+  CPDF_Font* pFont = pFontGlobals->Find(pDoc, font_id);
+  if (pFont) {
+    return pFont;
+  }
+  CPDF_Dictionary* pDict = new CPDF_Dictionary;
+  pDict->SetAtName("Type", "Font");
+  pDict->SetAtName("Subtype", "Type1");
+  pDict->SetAtName("BaseFont", fontname);
+  pDict->SetAtName("Encoding", "WinAnsiEncoding");
+  pFont = CPDF_Font::CreateFontF(NULL, pDict);
+  pFontGlobals->Set(pDoc, font_id, pFont);
+  return pFont;
+}
+
+CPDF_Font* CPDF_Font::CreateFontF(CPDF_Document* pDoc,
+                                  CPDF_Dictionary* pFontDict) {
+  CFX_ByteString type = pFontDict->GetStringBy("Subtype");
+  CPDF_Font* pFont;
+  if (type == "TrueType") {
+    {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ || \
+    _FXM_PLATFORM_ == _FXM_PLATFORM_LINUX_ ||   \
+    _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_ || \
+    _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+      CFX_ByteString basefont = pFontDict->GetStringBy("BaseFont");
+      CFX_ByteString tag = basefont.Left(4);
+      int i;
+      int count = sizeof(ChineseFontNames) / sizeof(ChineseFontNames[0]);
+      for (i = 0; i < count; ++i) {
+        if (tag == CFX_ByteString((const FX_CHAR*)ChineseFontNames[i])) {
+          break;
+        }
+      }
+      if (i < count) {
+        CPDF_Dictionary* pFontDesc = pFontDict->GetDictBy("FontDescriptor");
+        if (!pFontDesc || !pFontDesc->KeyExist("FontFile2")) {
+          pFont = new CPDF_CIDFont;
+          pFont->m_pFontDict = pFontDict;
+          pFont->m_pDocument = pDoc;
+          pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont");
+          if (!pFont->Load()) {
+            delete pFont;
+            return NULL;
+          }
+          return pFont;
+        }
+      }
+#endif
+    }
+    pFont = new CPDF_TrueTypeFont;
+  } else if (type == "Type3") {
+    pFont = new CPDF_Type3Font;
+  } else if (type == "Type0") {
+    pFont = new CPDF_CIDFont;
+  } else {
+    pFont = new CPDF_Type1Font;
+  }
+  pFont->m_pFontDict = pFontDict;
+  pFont->m_pDocument = pDoc;
+  pFont->m_BaseFont = pFontDict->GetStringBy("BaseFont");
+  if (!pFont->Load()) {
+    delete pFont;
+    return NULL;
+  }
+  return pFont;
+}
+
+CFX_WideString CPDF_ToUnicodeMap::Lookup(FX_DWORD charcode) {
+  auto it = m_Map.find(charcode);
+  if (it != m_Map.end()) {
+    FX_DWORD value = it->second;
+    FX_WCHAR unicode = (FX_WCHAR)(value & 0xffff);
+    if (unicode != 0xffff) {
+      return unicode;
+    }
+    const FX_WCHAR* buf = m_MultiCharBuf.GetBuffer();
+    FX_DWORD buf_len = m_MultiCharBuf.GetLength();
+    if (!buf || buf_len == 0) {
+      return CFX_WideString();
+    }
+    FX_DWORD index = value >> 16;
+    if (index >= buf_len) {
+      return CFX_WideString();
+    }
+    FX_DWORD len = buf[index];
+    if (index + len < index || index + len >= buf_len) {
+      return CFX_WideString();
+    }
+    return CFX_WideString(buf + index + 1, len);
+  }
+  if (m_pBaseMap) {
+    return m_pBaseMap->UnicodeFromCID((FX_WORD)charcode);
+  }
+  return CFX_WideString();
+}
+
+FX_DWORD CPDF_ToUnicodeMap::ReverseLookup(FX_WCHAR unicode) {
+  for (const auto& pair : m_Map) {
+    if (pair.second == unicode)
+      return pair.first;
+  }
+  return 0;
+}
+
+// Static.
+FX_DWORD CPDF_ToUnicodeMap::StringToCode(const CFX_ByteStringC& str) {
+  const FX_CHAR* buf = str.GetCStr();
+  int len = str.GetLength();
+  if (len == 0)
+    return 0;
+
+  int result = 0;
+  if (buf[0] == '<') {
+    for (int i = 1; i < len && std::isxdigit(buf[i]); ++i)
+      result = result * 16 + FXSYS_toHexDigit(buf[i]);
+    return result;
+  }
+
+  for (int i = 0; i < len && std::isdigit(buf[i]); ++i)
+    result = result * 10 + FXSYS_toDecimalDigit(buf[i]);
+
+  return result;
+}
+
+static CFX_WideString StringDataAdd(CFX_WideString str) {
+  CFX_WideString ret;
+  int len = str.GetLength();
+  FX_WCHAR value = 1;
+  for (int i = len - 1; i >= 0; --i) {
+    FX_WCHAR ch = str[i] + value;
+    if (ch < str[i]) {
+      ret.Insert(0, 0);
+    } else {
+      ret.Insert(0, ch);
+      value = 0;
+    }
+  }
+  if (value) {
+    ret.Insert(0, value);
+  }
+  return ret;
+}
+
+// Static.
+CFX_WideString CPDF_ToUnicodeMap::StringToWideString(
+    const CFX_ByteStringC& str) {
+  const FX_CHAR* buf = str.GetCStr();
+  int len = str.GetLength();
+  if (len == 0)
+    return CFX_WideString();
+
+  CFX_WideString result;
+  if (buf[0] == '<') {
+    int byte_pos = 0;
+    FX_WCHAR ch = 0;
+    for (int i = 1; i < len && std::isxdigit(buf[i]); ++i) {
+      ch = ch * 16 + FXSYS_toHexDigit(buf[i]);
+      byte_pos++;
+      if (byte_pos == 4) {
+        result += ch;
+        byte_pos = 0;
+        ch = 0;
+      }
+    }
+    return result;
+  }
+  return result;
+}
+
+void CPDF_ToUnicodeMap::Load(CPDF_Stream* pStream) {
+  CIDSet cid_set = CIDSET_UNKNOWN;
+  CPDF_StreamAcc stream;
+  stream.LoadAllData(pStream, FALSE);
+  CPDF_SimpleParser parser(stream.GetData(), stream.GetSize());
+  while (1) {
+    CFX_ByteStringC word = parser.GetWord();
+    if (word.IsEmpty()) {
+      break;
+    }
+    if (word == "beginbfchar") {
+      while (1) {
+        word = parser.GetWord();
+        if (word.IsEmpty() || word == "endbfchar") {
+          break;
+        }
+        FX_DWORD srccode = StringToCode(word);
+        word = parser.GetWord();
+        CFX_WideString destcode = StringToWideString(word);
+        int len = destcode.GetLength();
+        if (len == 0) {
+          continue;
+        }
+        if (len == 1) {
+          m_Map[srccode] = destcode.GetAt(0);
+        } else {
+          m_Map[srccode] = m_MultiCharBuf.GetLength() * 0x10000 + 0xffff;
+          m_MultiCharBuf.AppendChar(destcode.GetLength());
+          m_MultiCharBuf << destcode;
+        }
+      }
+    } else if (word == "beginbfrange") {
+      while (1) {
+        CFX_ByteString low, high;
+        low = parser.GetWord();
+        if (low.IsEmpty() || low == "endbfrange") {
+          break;
+        }
+        high = parser.GetWord();
+        FX_DWORD lowcode = StringToCode(low);
+        FX_DWORD highcode =
+            (lowcode & 0xffffff00) | (StringToCode(high) & 0xff);
+        if (highcode == (FX_DWORD)-1) {
+          break;
+        }
+        CFX_ByteString start = parser.GetWord();
+        if (start == "[") {
+          for (FX_DWORD code = lowcode; code <= highcode; code++) {
+            CFX_ByteString dest = parser.GetWord();
+            CFX_WideString destcode = StringToWideString(dest);
+            int len = destcode.GetLength();
+            if (len == 0) {
+              continue;
+            }
+            if (len == 1) {
+              m_Map[code] = destcode.GetAt(0);
+            } else {
+              m_Map[code] = m_MultiCharBuf.GetLength() * 0x10000 + 0xffff;
+              m_MultiCharBuf.AppendChar(destcode.GetLength());
+              m_MultiCharBuf << destcode;
+            }
+          }
+          parser.GetWord();
+        } else {
+          CFX_WideString destcode = StringToWideString(start);
+          int len = destcode.GetLength();
+          FX_DWORD value = 0;
+          if (len == 1) {
+            value = StringToCode(start);
+            for (FX_DWORD code = lowcode; code <= highcode; code++) {
+              m_Map[code] = value++;
+            }
+          } else {
+            for (FX_DWORD code = lowcode; code <= highcode; code++) {
+              CFX_WideString retcode;
+              if (code == lowcode) {
+                retcode = destcode;
+              } else {
+                retcode = StringDataAdd(destcode);
+              }
+              m_Map[code] = m_MultiCharBuf.GetLength() * 0x10000 + 0xffff;
+              m_MultiCharBuf.AppendChar(retcode.GetLength());
+              m_MultiCharBuf << retcode;
+              destcode = retcode;
+            }
+          }
+        }
+      }
+    } else if (word == "/Adobe-Korea1-UCS2") {
+      cid_set = CIDSET_KOREA1;
+    } else if (word == "/Adobe-Japan1-UCS2") {
+      cid_set = CIDSET_JAPAN1;
+    } else if (word == "/Adobe-CNS1-UCS2") {
+      cid_set = CIDSET_CNS1;
+    } else if (word == "/Adobe-GB1-UCS2") {
+      cid_set = CIDSET_GB1;
+    }
+  }
+  if (cid_set) {
+    m_pBaseMap = CPDF_ModuleMgr::Get()
+                     ->GetPageModule()
+                     ->GetFontGlobals()
+                     ->m_CMapManager.GetCID2UnicodeMap(cid_set, FALSE);
+  } else {
+    m_pBaseMap = NULL;
+  }
+}
+
+FX_DWORD CPDF_Font::GetNextChar(const FX_CHAR* pString,
+                                int nStrLen,
+                                int& offset) const {
+  if (offset < 0 || nStrLen < 1) {
+    return 0;
+  }
+  uint8_t ch = offset < nStrLen ? pString[offset++] : pString[nStrLen - 1];
+  return static_cast<FX_DWORD>(ch);
+}
+
+void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding,
+                                int& iBaseEncoding,
+                                CFX_ByteString*& pCharNames,
+                                FX_BOOL bEmbedded,
+                                FX_BOOL bTrueType) {
+  if (!pEncoding) {
+    if (m_BaseFont == "Symbol") {
+      iBaseEncoding = bTrueType ? PDFFONT_ENCODING_MS_SYMBOL
+                                : PDFFONT_ENCODING_ADOBE_SYMBOL;
+    } else if (!bEmbedded && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) {
+      iBaseEncoding = PDFFONT_ENCODING_WINANSI;
+    }
+    return;
+  }
+  if (pEncoding->IsName()) {
+    if (iBaseEncoding == PDFFONT_ENCODING_ADOBE_SYMBOL ||
+        iBaseEncoding == PDFFONT_ENCODING_ZAPFDINGBATS) {
+      return;
+    }
+    if ((m_Flags & PDFFONT_SYMBOLIC) && m_BaseFont == "Symbol") {
+      if (!bTrueType) {
+        iBaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL;
+      }
+      return;
+    }
+    CFX_ByteString bsEncoding = pEncoding->GetString();
+    if (bsEncoding.Compare("MacExpertEncoding") == 0) {
+      bsEncoding = "WinAnsiEncoding";
+    }
+    GetPredefinedEncoding(iBaseEncoding, bsEncoding);
+    return;
+  }
+
+  CPDF_Dictionary* pDict = pEncoding->AsDictionary();
+  if (!pDict)
+    return;
+
+  if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL &&
+      iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) {
+    CFX_ByteString bsEncoding = pDict->GetStringBy("BaseEncoding");
+    if (bsEncoding.Compare("MacExpertEncoding") == 0 && bTrueType) {
+      bsEncoding = "WinAnsiEncoding";
+    }
+    GetPredefinedEncoding(iBaseEncoding, bsEncoding);
+  }
+  if ((!bEmbedded || bTrueType) && iBaseEncoding == PDFFONT_ENCODING_BUILTIN) {
+    iBaseEncoding = PDFFONT_ENCODING_STANDARD;
+  }
+  CPDF_Array* pDiffs = pDict->GetArrayBy("Differences");
+  if (!pDiffs) {
+    return;
+  }
+  pCharNames = new CFX_ByteString[256];
+  FX_DWORD cur_code = 0;
+  for (FX_DWORD i = 0; i < pDiffs->GetCount(); i++) {
+    CPDF_Object* pElement = pDiffs->GetElementValue(i);
+    if (!pElement)
+      continue;
+
+    if (CPDF_Name* pName = pElement->AsName()) {
+      if (cur_code < 256)
+        pCharNames[cur_code] = pName->GetString();
+      cur_code++;
+    } else {
+      cur_code = pElement->GetInteger();
+    }
+  }
+}
+
+FX_BOOL CPDF_Font::IsStandardFont() const {
+  if (!IsType1Font())
+    return FALSE;
+  if (m_pFontFile)
+    return FALSE;
+  if (AsType1Font()->GetBase14Font() < 0)
+    return FALSE;
+  return TRUE;
+}
+
+CPDF_SimpleFont::CPDF_SimpleFont()
+    : m_pCharNames(nullptr), m_BaseEncoding(PDFFONT_ENCODING_BUILTIN) {
+  FXSYS_memset(m_CharWidth, 0xff, sizeof m_CharWidth);
+  FXSYS_memset(m_GlyphIndex, 0xff, sizeof m_GlyphIndex);
+  FXSYS_memset(m_ExtGID, 0xff, sizeof m_ExtGID);
+}
+
+CPDF_SimpleFont::~CPDF_SimpleFont() {
+  delete[] m_pCharNames;
+}
+
+int CPDF_SimpleFont::GlyphFromCharCode(FX_DWORD charcode, FX_BOOL* pVertGlyph) {
+  if (pVertGlyph) {
+    *pVertGlyph = FALSE;
+  }
+  if (charcode > 0xff) {
+    return -1;
+  }
+  int index = m_GlyphIndex[(uint8_t)charcode];
+  if (index == 0xffff) {
+    return -1;
+  }
+  return index;
+}
+
+void CPDF_SimpleFont::LoadCharMetrics(int charcode) {
+  if (!m_Font.GetFace())
+    return;
+
+  if (charcode < 0 || charcode > 0xff) {
+    return;
+  }
+  int glyph_index = m_GlyphIndex[charcode];
+  if (glyph_index == 0xffff) {
+    if (!m_pFontFile && charcode != 32) {
+      LoadCharMetrics(32);
+      m_CharBBox[charcode] = m_CharBBox[32];
+      if (m_bUseFontWidth) {
+        m_CharWidth[charcode] = m_CharWidth[32];
+      }
+    }
+    return;
+  }
+  FXFT_Face face = m_Font.GetFace();
+  int err = FXFT_Load_Glyph(
+      face, glyph_index,
+      FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
+  if (err) {
+    return;
+  }
+  m_CharBBox[charcode] = FX_SMALL_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));
+
+  if (m_bUseFontWidth) {
+    int TT_Width = TT2PDF(FXFT_Get_Glyph_HoriAdvance(face), face);
+    if (m_CharWidth[charcode] == 0xffff) {
+      m_CharWidth[charcode] = TT_Width;
+    } else if (TT_Width && !IsEmbedded()) {
+      m_CharBBox[charcode].right =
+          m_CharBBox[charcode].right * m_CharWidth[charcode] / TT_Width;
+      m_CharBBox[charcode].left =
+          m_CharBBox[charcode].left * m_CharWidth[charcode] / TT_Width;
+    }
+  }
+}
+
+int CPDF_SimpleFont::GetCharWidthF(FX_DWORD charcode, int level) {
+  if (charcode > 0xff) {
+    charcode = 0;
+  }
+  if (m_CharWidth[charcode] == 0xffff) {
+    LoadCharMetrics(charcode);
+    if (m_CharWidth[charcode] == 0xffff) {
+      m_CharWidth[charcode] = 0;
+    }
+  }
+  return (int16_t)m_CharWidth[charcode];
+}
+
+FX_RECT CPDF_SimpleFont::GetCharBBox(FX_DWORD charcode, int level) {
+  if (charcode > 0xff)
+    charcode = 0;
+
+  if (m_CharBBox[charcode].left == FX_SMALL_RECT::kInvalid)
+    LoadCharMetrics(charcode);
+
+  return FX_RECT(m_CharBBox[charcode]);
+}
+
+const FX_CHAR* GetAdobeCharName(int iBaseEncoding,
+                                const CFX_ByteString* pCharNames,
+                                int charcode) {
+  ASSERT(charcode >= 0 && charcode < 256);
+  if (charcode < 0 || charcode >= 256) {
+    return NULL;
+  }
+  const FX_CHAR* name = NULL;
+  if (pCharNames) {
+    name = pCharNames[charcode];
+  }
+  if ((!name || name[0] == 0) && iBaseEncoding) {
+    name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode);
+  }
+  return name && name[0] ? name : nullptr;
+}
+
+FX_BOOL CPDF_SimpleFont::LoadCommon() {
+  CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
+  if (pFontDesc) {
+    LoadFontDescriptor(pFontDesc);
+  }
+  CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths");
+  int width_start = 0, width_end = -1;
+  m_bUseFontWidth = TRUE;
+  if (pWidthArray) {
+    m_bUseFontWidth = FALSE;
+    if (pFontDesc && pFontDesc->KeyExist("MissingWidth")) {
+      int MissingWidth = pFontDesc->GetIntegerBy("MissingWidth");
+      for (int i = 0; i < 256; i++) {
+        m_CharWidth[i] = MissingWidth;
+      }
+    }
+    width_start = m_pFontDict->GetIntegerBy("FirstChar", 0);
+    width_end = m_pFontDict->GetIntegerBy("LastChar", 0);
+    if (width_start >= 0 && width_start <= 255) {
+      if (width_end <= 0 ||
+          width_end >= width_start + (int)pWidthArray->GetCount()) {
+        width_end = width_start + pWidthArray->GetCount() - 1;
+      }
+      if (width_end > 255) {
+        width_end = 255;
+      }
+      for (int i = width_start; i <= width_end; i++) {
+        m_CharWidth[i] = pWidthArray->GetIntegerAt(i - width_start);
+      }
+    }
+  }
+  if (m_pFontFile) {
+    if (m_BaseFont.GetLength() > 8 && m_BaseFont[7] == '+') {
+      m_BaseFont = m_BaseFont.Mid(8);
+    }
+  } else {
+    LoadSubstFont();
+  }
+  if (!(m_Flags & PDFFONT_SYMBOLIC)) {
+    m_BaseEncoding = PDFFONT_ENCODING_STANDARD;
+  }
+  CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding");
+  LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, m_pFontFile != NULL,
+                  m_Font.IsTTFont());
+  LoadGlyphMap();
+  delete[] m_pCharNames;
+  m_pCharNames = NULL;
+  if (!m_Font.GetFace())
+    return TRUE;
+
+  if (m_Flags & PDFFONT_ALLCAP) {
+    unsigned char lowercases[] = {'a', 'z', 0xe0, 0xf6, 0xf8, 0xfd};
+    for (size_t range = 0; range < sizeof lowercases / 2; range++) {
+      for (int i = lowercases[range * 2]; i <= lowercases[range * 2 + 1]; i++) {
+        if (m_GlyphIndex[i] != 0xffff && m_pFontFile) {
+          continue;
+        }
+        m_GlyphIndex[i] = m_GlyphIndex[i - 32];
+        if (m_CharWidth[i - 32]) {
+          m_CharWidth[i] = m_CharWidth[i - 32];
+          m_CharBBox[i] = m_CharBBox[i - 32];
+        }
+      }
+    }
+  }
+  CheckFontMetrics();
+  return TRUE;
+}
+
+void CPDF_SimpleFont::LoadSubstFont() {
+  if (!m_bUseFontWidth && !(m_Flags & PDFFONT_FIXEDPITCH)) {
+    int width = 0, i;
+    for (i = 0; i < 256; i++) {
+      if (m_CharWidth[i] == 0 || m_CharWidth[i] == 0xffff) {
+        continue;
+      }
+      if (width == 0) {
+        width = m_CharWidth[i];
+      } else if (width != m_CharWidth[i]) {
+        break;
+      }
+    }
+    if (i == 256 && width) {
+      m_Flags |= PDFFONT_FIXEDPITCH;
+    }
+  }
+  int weight = m_StemV < 140 ? m_StemV * 5 : (m_StemV * 4 + 140);
+  m_Font.LoadSubst(m_BaseFont, IsTrueTypeFont(), m_Flags, weight, m_ItalicAngle,
+                   0);
+  if (m_Font.GetSubstFont()->m_SubstFlags & FXFONT_SUBST_NONSYMBOL) {
+  }
+}
+
+FX_BOOL CPDF_SimpleFont::IsUnicodeCompatible() const {
+  return m_BaseEncoding != PDFFONT_ENCODING_BUILTIN &&
+         m_BaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL &&
+         m_BaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS;
+}
+
+CFX_WideString CPDF_SimpleFont::UnicodeFromCharCode(FX_DWORD charcode) const {
+  CFX_WideString unicode = CPDF_Font::UnicodeFromCharCode(charcode);
+  if (!unicode.IsEmpty())
+    return unicode;
+  FX_WCHAR ret = m_Encoding.UnicodeFromCharCode((uint8_t)charcode);
+  if (ret == 0)
+    return CFX_WideString();
+  return ret;
+}
+
+FX_DWORD CPDF_SimpleFont::CharCodeFromUnicode(FX_WCHAR unicode) const {
+  FX_DWORD ret = CPDF_Font::CharCodeFromUnicode(unicode);
+  if (ret)
+    return ret;
+  return m_Encoding.CharCodeFromUnicode(unicode);
+}
+
+CPDF_Type1Font::CPDF_Type1Font() : m_Base14Font(-1) {}
+
+bool CPDF_Type1Font::IsType1Font() const {
+  return true;
+}
+
+const CPDF_Type1Font* CPDF_Type1Font::AsType1Font() const {
+  return this;
+}
+
+CPDF_Type1Font* CPDF_Type1Font::AsType1Font() {
+  return this;
+}
+
+FX_BOOL CPDF_Type1Font::Load() {
+  m_Base14Font = PDF_GetStandardFontName(&m_BaseFont);
+  if (m_Base14Font >= 0) {
+    CPDF_Dictionary* pFontDesc = m_pFontDict->GetDictBy("FontDescriptor");
+    if (pFontDesc && pFontDesc->KeyExist("Flags"))
+      m_Flags = pFontDesc->GetIntegerBy("Flags");
+    else
+      m_Flags = m_Base14Font >= 12 ? PDFFONT_SYMBOLIC : PDFFONT_NONSYMBOLIC;
+
+    if (m_Base14Font < 4) {
+      for (int i = 0; i < 256; i++)
+        m_CharWidth[i] = 600;
+    }
+    if (m_Base14Font == 12)
+      m_BaseEncoding = PDFFONT_ENCODING_ADOBE_SYMBOL;
+    else if (m_Base14Font == 13)
+      m_BaseEncoding = PDFFONT_ENCODING_ZAPFDINGBATS;
+    else if (m_Flags & PDFFONT_NONSYMBOLIC)
+      m_BaseEncoding = PDFFONT_ENCODING_STANDARD;
+  }
+  return LoadCommon();
+}
+
+int CPDF_Type1Font::GlyphFromCharCodeExt(FX_DWORD charcode) {
+  if (charcode > 0xff) {
+    return -1;
+  }
+  int index = m_ExtGID[(uint8_t)charcode];
+  if (index == 0xffff) {
+    return -1;
+  }
+  return index;
+}
+
+void CPDF_Type1Font::LoadGlyphMap() {
+  if (!m_Font.GetFace())
+    return;
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+  FX_BOOL bCoreText = TRUE;
+  CQuartz2D& quartz2d =
+      ((CApplePlatform*)CFX_GEModule::Get()->GetPlatformData())->_quartz2d;
+  if (!m_Font.GetPlatformFont()) {
+    if (m_Font.GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) {
+      bCoreText = FALSE;
+    }
+    m_Font.SetPlatformFont(
+        quartz2d.CreateFont(m_Font.GetFontData(), m_Font.GetSize()));
+    if (!m_Font.GetPlatformFont()) {
+      bCoreText = FALSE;
+    }
+  }
+#endif
+  if (!IsEmbedded() && (m_Base14Font < 12) && m_Font.IsTTFont()) {
+    if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) {
+      FX_BOOL bGotOne = FALSE;
+      for (int charcode = 0; charcode < 256; charcode++) {
+        const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2};
+        for (int j = 0; j < 4; j++) {
+          FX_WORD unicode = prefix[j] * 256 + charcode;
+          m_GlyphIndex[charcode] =
+              FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+          FX_CHAR name_glyph[256];
+          FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
+                              name_glyph, 256);
+          name_glyph[255] = 0;
+          CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+              kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
+              kCFAllocatorNull);
+          m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+              (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+          if (name_ct) {
+            CFRelease(name_ct);
+          }
+#endif
+          if (m_GlyphIndex[charcode]) {
+            bGotOne = TRUE;
+            break;
+          }
+        }
+      }
+      if (bGotOne) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+        if (!bCoreText) {
+          FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
+        }
+#endif
+        return;
+      }
+    }
+    FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
+    if (m_BaseEncoding == 0) {
+      m_BaseEncoding = PDFFONT_ENCODING_STANDARD;
+    }
+    for (int charcode = 0; charcode < 256; charcode++) {
+      const FX_CHAR* name =
+          GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+      if (!name) {
+        continue;
+      }
+      m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+      m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
+          m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+      FX_CHAR name_glyph[256];
+      FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode], name_glyph,
+                          256);
+      name_glyph[255] = 0;
+      CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+          kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
+          kCFAllocatorNull);
+      m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+          (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+      if (name_ct) {
+        CFRelease(name_ct);
+      }
+#endif
+      if (m_GlyphIndex[charcode] == 0 && FXSYS_strcmp(name, ".notdef") == 0) {
+        m_Encoding.m_Unicodes[charcode] = 0x20;
+        m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 0x20);
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+        FX_CHAR name_glyph[256];
+        FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
+                            name_glyph, 256);
+        name_glyph[255] = 0;
+        CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+            kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
+            kCFAllocatorNull);
+        m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+            (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+        if (name_ct) {
+          CFRelease(name_ct);
+        }
+#endif
+      }
+    }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+    if (!bCoreText) {
+      FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
+    }
+#endif
+    return;
+  }
+  FT_UseType1Charmap(m_Font.GetFace());
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+  if (bCoreText) {
+    if (m_Flags & PDFFONT_SYMBOLIC) {
+      for (int charcode = 0; charcode < 256; charcode++) {
+        const FX_CHAR* name =
+            GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+        if (name) {
+          m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+          m_GlyphIndex[charcode] =
+              FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
+          CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+              kCFAllocatorDefault, name, kCFStringEncodingASCII,
+              kCFAllocatorNull);
+          m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+              (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+          if (name_ct) {
+            CFRelease(name_ct);
+          }
+        } else {
+          m_GlyphIndex[charcode] =
+              FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
+          FX_WCHAR unicode = 0;
+          if (m_GlyphIndex[charcode]) {
+            unicode =
+                FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode);
+          }
+          FX_CHAR name_glyph[256];
+          FXSYS_memset(name_glyph, 0, sizeof(name_glyph));
+          FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
+                              name_glyph, 256);
+          name_glyph[255] = 0;
+          if (unicode == 0 && name_glyph[0] != 0) {
+            unicode = PDF_UnicodeFromAdobeName(name_glyph);
+          }
+          m_Encoding.m_Unicodes[charcode] = unicode;
+          CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+              kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
+              kCFAllocatorNull);
+          m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+              (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+          if (name_ct) {
+            CFRelease(name_ct);
+          }
+        }
+      }
+      return;
+    }
+    FX_BOOL bUnicode = FALSE;
+    if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) {
+      bUnicode = TRUE;
+    }
+    for (int charcode = 0; charcode < 256; charcode++) {
+      const FX_CHAR* name =
+          GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+      if (!name) {
+        continue;
+      }
+      m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+      const FX_CHAR* pStrUnicode = GlyphNameRemap(name);
+      if (pStrUnicode &&
+          0 == FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name)) {
+        name = pStrUnicode;
+      }
+      m_GlyphIndex[charcode] =
+          FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
+      CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+          kCFAllocatorDefault, name, kCFStringEncodingASCII, kCFAllocatorNull);
+      m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+          (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+      if (name_ct) {
+        CFRelease(name_ct);
+      }
+      if (m_GlyphIndex[charcode] == 0) {
+        if (FXSYS_strcmp(name, ".notdef") != 0 &&
+            FXSYS_strcmp(name, "space") != 0) {
+          m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
+              m_Font.GetFace(),
+              bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode);
+          FX_CHAR name_glyph[256];
+          FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
+                              name_glyph, 256);
+          name_glyph[255] = 0;
+          CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+              kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
+              kCFAllocatorNull);
+          m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+              (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+          if (name_ct) {
+            CFRelease(name_ct);
+          }
+        } else {
+          m_Encoding.m_Unicodes[charcode] = 0x20;
+          m_GlyphIndex[charcode] =
+              bUnicode ? FXFT_Get_Char_Index(m_Font.GetFace(), 0x20) : 0xffff;
+          FX_CHAR name_glyph[256];
+          FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
+                              name_glyph, 256);
+          name_glyph[255] = 0;
+          CFStringRef name_ct = CFStringCreateWithCStringNoCopy(
+              kCFAllocatorDefault, name_glyph, kCFStringEncodingASCII,
+              kCFAllocatorNull);
+          m_ExtGID[charcode] = CGFontGetGlyphWithGlyphName(
+              (CGFontRef)m_Font.GetPlatformFont(), name_ct);
+          if (name_ct) {
+            CFRelease(name_ct);
+          }
+        }
+      }
+    }
+    return;
+  }
+#endif
+  if (m_Flags & PDFFONT_SYMBOLIC) {
+    for (int charcode = 0; charcode < 256; charcode++) {
+      const FX_CHAR* name =
+          GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+      if (name) {
+        m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+        m_GlyphIndex[charcode] =
+            FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
+      } else {
+        m_GlyphIndex[charcode] =
+            FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
+        if (m_GlyphIndex[charcode]) {
+          FX_WCHAR unicode =
+              FT_UnicodeFromCharCode(PDFFONT_ENCODING_STANDARD, charcode);
+          if (unicode == 0) {
+            FX_CHAR name_glyph[256];
+            FXSYS_memset(name_glyph, 0, sizeof(name_glyph));
+            FXFT_Get_Glyph_Name(m_Font.GetFace(), m_GlyphIndex[charcode],
+                                name_glyph, 256);
+            name_glyph[255] = 0;
+            if (name_glyph[0] != 0) {
+              unicode = PDF_UnicodeFromAdobeName(name_glyph);
+            }
+          }
+          m_Encoding.m_Unicodes[charcode] = unicode;
+        }
+      }
+    }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+    if (!bCoreText) {
+      FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
+    }
+#endif
+    return;
+  }
+  FX_BOOL bUnicode = FALSE;
+  if (0 == FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE)) {
+    bUnicode = TRUE;
+  }
+  for (int charcode = 0; charcode < 256; charcode++) {
+    const FX_CHAR* name =
+        GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+    if (!name) {
+      continue;
+    }
+    m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+    m_GlyphIndex[charcode] = FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
+    if (m_GlyphIndex[charcode] == 0) {
+      if (FXSYS_strcmp(name, ".notdef") != 0 &&
+          FXSYS_strcmp(name, "space") != 0) {
+        m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
+            m_Font.GetFace(),
+            bUnicode ? m_Encoding.m_Unicodes[charcode] : charcode);
+      } else {
+        m_Encoding.m_Unicodes[charcode] = 0x20;
+        m_GlyphIndex[charcode] = 0xffff;
+      }
+    }
+  }
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+  if (!bCoreText) {
+    FXSYS_memcpy(m_ExtGID, m_GlyphIndex, 256);
+  }
+#endif
+}
+
+CPDF_FontEncoding::CPDF_FontEncoding() {
+  FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes));
+}
+
+int CPDF_FontEncoding::CharCodeFromUnicode(FX_WCHAR unicode) const {
+  for (int i = 0; i < 256; i++)
+    if (m_Unicodes[i] == unicode) {
+      return i;
+    }
+  return -1;
+}
+
+CPDF_FontEncoding::CPDF_FontEncoding(int PredefinedEncoding) {
+  const FX_WORD* pSrc = PDF_UnicodesForPredefinedCharSet(PredefinedEncoding);
+  if (!pSrc) {
+    FXSYS_memset(m_Unicodes, 0, sizeof(m_Unicodes));
+  } else {
+    for (int i = 0; i < 256; i++)
+      m_Unicodes[i] = pSrc[i];
+  }
+}
+
+FX_BOOL CPDF_FontEncoding::IsIdentical(CPDF_FontEncoding* pAnother) const {
+  return FXSYS_memcmp(m_Unicodes, pAnother->m_Unicodes, sizeof(m_Unicodes)) ==
+         0;
+}
+
+CPDF_Object* CPDF_FontEncoding::Realize() {
+  int predefined = 0;
+  for (int cs = PDFFONT_ENCODING_WINANSI; cs < PDFFONT_ENCODING_ZAPFDINGBATS;
+       cs++) {
+    const FX_WORD* pSrc = PDF_UnicodesForPredefinedCharSet(cs);
+    FX_BOOL match = TRUE;
+    for (int i = 0; i < 256; ++i) {
+      if (m_Unicodes[i] != pSrc[i]) {
+        match = FALSE;
+        break;
+      }
+    }
+    if (match) {
+      predefined = cs;
+      break;
+    }
+  }
+  if (predefined) {
+    if (predefined == PDFFONT_ENCODING_WINANSI) {
+      return new CPDF_Name("WinAnsiEncoding");
+    }
+    if (predefined == PDFFONT_ENCODING_MACROMAN) {
+      return new CPDF_Name("MacRomanEncoding");
+    }
+    if (predefined == PDFFONT_ENCODING_MACEXPERT) {
+      return new CPDF_Name("MacExpertEncoding");
+    }
+    return NULL;
+  }
+  const FX_WORD* pStandard =
+      PDF_UnicodesForPredefinedCharSet(PDFFONT_ENCODING_WINANSI);
+  CPDF_Array* pDiff = new CPDF_Array;
+  for (int i = 0; i < 256; i++) {
+    if (pStandard[i] == m_Unicodes[i]) {
+      continue;
+    }
+    pDiff->Add(new CPDF_Number(i));
+    pDiff->Add(new CPDF_Name(PDF_AdobeNameFromUnicode(m_Unicodes[i])));
+  }
+
+  CPDF_Dictionary* pDict = new CPDF_Dictionary;
+  pDict->SetAtName("BaseEncoding", "WinAnsiEncoding");
+  pDict->SetAt("Differences", pDiff);
+  return pDict;
+}
+
+CPDF_TrueTypeFont::CPDF_TrueTypeFont() {}
+
+bool CPDF_TrueTypeFont::IsTrueTypeFont() const {
+  return true;
+}
+
+const CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() const {
+  return this;
+}
+
+CPDF_TrueTypeFont* CPDF_TrueTypeFont::AsTrueTypeFont() {
+  return this;
+}
+
+FX_BOOL CPDF_TrueTypeFont::Load() {
+  return LoadCommon();
+}
+
+void CPDF_TrueTypeFont::LoadGlyphMap() {
+  if (!m_Font.GetFace())
+    return;
+
+  int baseEncoding = m_BaseEncoding;
+  if (m_pFontFile && m_Font.GetFace()->num_charmaps > 0 &&
+      (baseEncoding == PDFFONT_ENCODING_MACROMAN ||
+       baseEncoding == PDFFONT_ENCODING_WINANSI) &&
+      (m_Flags & PDFFONT_SYMBOLIC)) {
+    FX_BOOL bSupportWin = FALSE;
+    FX_BOOL bSupportMac = FALSE;
+    for (int i = 0; i < FXFT_Get_Face_CharmapCount(m_Font.GetFace()); i++) {
+      int platform_id = FXFT_Get_Charmap_PlatformID(
+          FXFT_Get_Face_Charmaps(m_Font.GetFace())[i]);
+      if (platform_id == 0 || platform_id == 3) {
+        bSupportWin = TRUE;
+      } else if (platform_id == 0 || platform_id == 1) {
+        bSupportMac = TRUE;
+      }
+    }
+    if (baseEncoding == PDFFONT_ENCODING_WINANSI && !bSupportWin) {
+      baseEncoding =
+          bSupportMac ? PDFFONT_ENCODING_MACROMAN : PDFFONT_ENCODING_BUILTIN;
+    } else if (baseEncoding == PDFFONT_ENCODING_MACROMAN && !bSupportMac) {
+      baseEncoding =
+          bSupportWin ? PDFFONT_ENCODING_WINANSI : PDFFONT_ENCODING_BUILTIN;
+    }
+  }
+  if (((baseEncoding == PDFFONT_ENCODING_MACROMAN ||
+        baseEncoding == PDFFONT_ENCODING_WINANSI) &&
+       !m_pCharNames) ||
+      (m_Flags & PDFFONT_NONSYMBOLIC)) {
+    if (!FXFT_Has_Glyph_Names(m_Font.GetFace()) &&
+        (!m_Font.GetFace()->num_charmaps || !m_Font.GetFace()->charmaps)) {
+      int nStartChar = m_pFontDict->GetIntegerBy("FirstChar");
+      if (nStartChar < 0 || nStartChar > 255)
+        return;
+
+      int charcode = 0;
+      for (; charcode < nStartChar; charcode++) {
+        m_GlyphIndex[charcode] = 0;
+      }
+      FX_WORD nGlyph = charcode - nStartChar + 3;
+      for (; charcode < 256; charcode++, nGlyph++) {
+        m_GlyphIndex[charcode] = nGlyph;
+      }
+      return;
+    }
+    FX_BOOL bMSUnicode = FT_UseTTCharmap(m_Font.GetFace(), 3, 1);
+    FX_BOOL bMacRoman = FALSE, bMSSymbol = FALSE;
+    if (!bMSUnicode) {
+      if (m_Flags & PDFFONT_NONSYMBOLIC) {
+        bMacRoman = FT_UseTTCharmap(m_Font.GetFace(), 1, 0);
+        bMSSymbol = !bMacRoman && FT_UseTTCharmap(m_Font.GetFace(), 3, 0);
+      } else {
+        bMSSymbol = FT_UseTTCharmap(m_Font.GetFace(), 3, 0);
+        bMacRoman = !bMSSymbol && FT_UseTTCharmap(m_Font.GetFace(), 1, 0);
+      }
+    }
+    FX_BOOL bToUnicode = m_pFontDict->KeyExist("ToUnicode");
+    for (int charcode = 0; charcode < 256; charcode++) {
+      const FX_CHAR* name =
+          GetAdobeCharName(baseEncoding, m_pCharNames, charcode);
+      if (!name) {
+        m_GlyphIndex[charcode] =
+            m_pFontFile ? FXFT_Get_Char_Index(m_Font.GetFace(), charcode) : -1;
+        continue;
+      }
+      m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+      if (bMSSymbol) {
+        const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2};
+        for (int j = 0; j < 4; j++) {
+          FX_WORD unicode = prefix[j] * 256 + charcode;
+          m_GlyphIndex[charcode] =
+              FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
+          if (m_GlyphIndex[charcode]) {
+            break;
+          }
+        }
+      } else if (m_Encoding.m_Unicodes[charcode]) {
+        if (bMSUnicode) {
+          m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
+              m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
+        } else if (bMacRoman) {
+          FX_DWORD maccode = FT_CharCodeFromUnicode(
+              FXFT_ENCODING_APPLE_ROMAN, m_Encoding.m_Unicodes[charcode]);
+          if (!maccode) {
+            m_GlyphIndex[charcode] =
+                FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
+          } else {
+            m_GlyphIndex[charcode] =
+                FXFT_Get_Char_Index(m_Font.GetFace(), maccode);
+          }
+        }
+      }
+      if ((m_GlyphIndex[charcode] == 0 || m_GlyphIndex[charcode] == 0xffff) &&
+          name) {
+        if (name[0] == '.' && FXSYS_strcmp(name, ".notdef") == 0) {
+          m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 32);
+        } else {
+          m_GlyphIndex[charcode] =
+              FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
+          if (m_GlyphIndex[charcode] == 0) {
+            if (bToUnicode) {
+              CFX_WideString wsUnicode = UnicodeFromCharCode(charcode);
+              if (!wsUnicode.IsEmpty()) {
+                m_GlyphIndex[charcode] =
+                    FXFT_Get_Char_Index(m_Font.GetFace(), wsUnicode[0]);
+                m_Encoding.m_Unicodes[charcode] = wsUnicode[0];
+              }
+            }
+            if (m_GlyphIndex[charcode] == 0) {
+              m_GlyphIndex[charcode] =
+                  FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
+            }
+          }
+        }
+      }
+    }
+    return;
+  }
+  if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) {
+    const uint8_t prefix[4] = {0x00, 0xf0, 0xf1, 0xf2};
+    FX_BOOL bGotOne = FALSE;
+    for (int charcode = 0; charcode < 256; charcode++) {
+      for (int j = 0; j < 4; j++) {
+        FX_WORD unicode = prefix[j] * 256 + charcode;
+        m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
+        if (m_GlyphIndex[charcode]) {
+          bGotOne = TRUE;
+          break;
+        }
+      }
+    }
+    if (bGotOne) {
+      if (baseEncoding != PDFFONT_ENCODING_BUILTIN) {
+        for (int charcode = 0; charcode < 256; charcode++) {
+          const FX_CHAR* name =
+              GetAdobeCharName(baseEncoding, m_pCharNames, charcode);
+          if (!name) {
+            continue;
+          }
+          m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+        }
+      } else if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) {
+        for (int charcode = 0; charcode < 256; charcode++) {
+          m_Encoding.m_Unicodes[charcode] =
+              FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode);
+        }
+      }
+      return;
+    }
+  }
+  if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) {
+    FX_BOOL bGotOne = FALSE;
+    for (int charcode = 0; charcode < 256; charcode++) {
+      m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
+      m_Encoding.m_Unicodes[charcode] =
+          FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode);
+      if (m_GlyphIndex[charcode]) {
+        bGotOne = TRUE;
+      }
+    }
+    if (m_pFontFile || bGotOne) {
+      return;
+    }
+  }
+  if (FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE) == 0) {
+    FX_BOOL bGotOne = FALSE;
+    const FX_WORD* pUnicodes = PDF_UnicodesForPredefinedCharSet(baseEncoding);
+    for (int charcode = 0; charcode < 256; charcode++) {
+      if (m_pFontFile) {
+        m_Encoding.m_Unicodes[charcode] = charcode;
+      } else {
+        const FX_CHAR* name = GetAdobeCharName(0, m_pCharNames, charcode);
+        if (name) {
+          m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
+        } else if (pUnicodes) {
+          m_Encoding.m_Unicodes[charcode] = pUnicodes[charcode];
+        }
+      }
+      m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
+          m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
+      if (m_GlyphIndex[charcode]) {
+        bGotOne = TRUE;
+      }
+    }
+    if (bGotOne) {
+      return;
+    }
+  }
+  for (int charcode = 0; charcode < 256; charcode++) {
+    m_GlyphIndex[charcode] = charcode;
+  }
+}
+
+CPDF_Type3Font::CPDF_Type3Font()
+    : m_pCharProcs(nullptr),
+      m_pPageResources(nullptr),
+      m_pFontResources(nullptr) {
+  FXSYS_memset(m_CharWidthL, 0, sizeof(m_CharWidthL));
+}
+
+CPDF_Type3Font::~CPDF_Type3Font() {
+  for (auto it : m_CacheMap)
+    delete it.second;
+}
+
+bool CPDF_Type3Font::IsType3Font() const {
+  return true;
+}
+
+const CPDF_Type3Font* CPDF_Type3Font::AsType3Font() const {
+  return this;
+}
+
+CPDF_Type3Font* CPDF_Type3Font::AsType3Font() {
+  return this;
+}
+
+FX_BOOL CPDF_Type3Font::Load() {
+  m_pFontResources = m_pFontDict->GetDictBy("Resources");
+  CPDF_Array* pMatrix = m_pFontDict->GetArrayBy("FontMatrix");
+  FX_FLOAT xscale = 1.0f, yscale = 1.0f;
+  if (pMatrix) {
+    m_FontMatrix = pMatrix->GetMatrix();
+    xscale = m_FontMatrix.a;
+    yscale = m_FontMatrix.d;
+  }
+  CPDF_Array* pBBox = m_pFontDict->GetArrayBy("FontBBox");
+  if (pBBox) {
+    m_FontBBox.left = (int32_t)(pBBox->GetNumberAt(0) * xscale * 1000);
+    m_FontBBox.bottom = (int32_t)(pBBox->GetNumberAt(1) * yscale * 1000);
+    m_FontBBox.right = (int32_t)(pBBox->GetNumberAt(2) * xscale * 1000);
+    m_FontBBox.top = (int32_t)(pBBox->GetNumberAt(3) * yscale * 1000);
+  }
+  int StartChar = m_pFontDict->GetIntegerBy("FirstChar");
+  CPDF_Array* pWidthArray = m_pFontDict->GetArrayBy("Widths");
+  if (pWidthArray && (StartChar >= 0 && StartChar < 256)) {
+    FX_DWORD count = pWidthArray->GetCount();
+    if (count > 256) {
+      count = 256;
+    }
+    if (StartChar + count > 256) {
+      count = 256 - StartChar;
+    }
+    for (FX_DWORD i = 0; i < count; i++) {
+      m_CharWidthL[StartChar + i] =
+          FXSYS_round(pWidthArray->GetNumberAt(i) * xscale * 1000);
+    }
+  }
+  m_pCharProcs = m_pFontDict->GetDictBy("CharProcs");
+  CPDF_Object* pEncoding = m_pFontDict->GetElementValue("Encoding");
+  if (pEncoding) {
+    LoadPDFEncoding(pEncoding, m_BaseEncoding, m_pCharNames, FALSE, FALSE);
+    if (m_pCharNames) {
+      for (int i = 0; i < 256; i++) {
+        m_Encoding.m_Unicodes[i] = PDF_UnicodeFromAdobeName(m_pCharNames[i]);
+        if (m_Encoding.m_Unicodes[i] == 0) {
+          m_Encoding.m_Unicodes[i] = i;
+        }
+      }
+    }
+  }
+  return TRUE;
+}
+
+void CPDF_Type3Font::CheckType3FontMetrics() {
+  CheckFontMetrics();
+}
+
+CPDF_Type3Char* CPDF_Type3Font::LoadChar(FX_DWORD charcode, int level) {
+  if (level >= _FPDF_MAX_TYPE3_FORM_LEVEL_)
+    return nullptr;
+
+  auto it = m_CacheMap.find(charcode);
+  if (it != m_CacheMap.end())
+    return it->second;
+
+  const FX_CHAR* name =
+      GetAdobeCharName(m_BaseEncoding, m_pCharNames, charcode);
+  if (!name)
+    return nullptr;
+
+  CPDF_Stream* pStream =
+      ToStream(m_pCharProcs ? m_pCharProcs->GetElementValue(name) : nullptr);
+  if (!pStream)
+    return nullptr;
+
+  std::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form(
+      m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources,
+      pStream, nullptr)));
+
+  // This can trigger recursion into this method. The content of |m_CacheMap|
+  // can change as a result. Thus after it returns, check the cache again for
+  // a cache hit.
+  pNewChar->m_pForm->ParseContent(nullptr, nullptr, pNewChar.get(), nullptr,
+                                  level + 1);
+  it = m_CacheMap.find(charcode);
+  if (it != m_CacheMap.end())
+    return it->second;
+
+  FX_FLOAT scale = m_FontMatrix.GetXUnit();
+  pNewChar->m_Width = (int32_t)(pNewChar->m_Width * scale + 0.5f);
+  FX_RECT& rcBBox = pNewChar->m_BBox;
+  CFX_FloatRect char_rect(
+      (FX_FLOAT)rcBBox.left / 1000.0f, (FX_FLOAT)rcBBox.bottom / 1000.0f,
+      (FX_FLOAT)rcBBox.right / 1000.0f, (FX_FLOAT)rcBBox.top / 1000.0f);
+  if (rcBBox.right <= rcBBox.left || rcBBox.bottom >= rcBBox.top)
+    char_rect = pNewChar->m_pForm->CalcBoundingBox();
+
+  char_rect.Transform(&m_FontMatrix);
+  rcBBox.left = FXSYS_round(char_rect.left * 1000);
+  rcBBox.right = FXSYS_round(char_rect.right * 1000);
+  rcBBox.top = FXSYS_round(char_rect.top * 1000);
+  rcBBox.bottom = FXSYS_round(char_rect.bottom * 1000);
+
+  ASSERT(!pdfium::ContainsKey(m_CacheMap, charcode));
+  CPDF_Type3Char* pCachedChar = pNewChar.release();
+  m_CacheMap[charcode] = pCachedChar;
+  if (pCachedChar->m_pForm->GetPageObjectList()->empty()) {
+    delete pCachedChar->m_pForm;
+    pCachedChar->m_pForm = nullptr;
+  }
+  return pCachedChar;
+}
+
+int CPDF_Type3Font::GetCharWidthF(FX_DWORD charcode, int level) {
+  if (charcode >= FX_ArraySize(m_CharWidthL))
+    charcode = 0;
+
+  if (m_CharWidthL[charcode])
+    return m_CharWidthL[charcode];
+
+  const CPDF_Type3Char* pChar = LoadChar(charcode, level);
+  return pChar ? pChar->m_Width : 0;
+}
+
+FX_RECT CPDF_Type3Font::GetCharBBox(FX_DWORD charcode, int level) {
+  const CPDF_Type3Char* pChar = LoadChar(charcode, level);
+  return pChar ? pChar->m_BBox : FX_RECT();
+}
+
+CPDF_Type3Char::CPDF_Type3Char(CPDF_Form* pForm)
+    : m_pForm(pForm), m_pBitmap(nullptr), m_bColored(FALSE) {}
+
+CPDF_Type3Char::~CPDF_Type3Char() {
+  delete m_pForm;
+  delete m_pBitmap;
+}
diff --git a/core/fpdfapi/fpdf_font/fpdf_font_charset.cpp b/core/fpdfapi/fpdf_font/fpdf_font_charset.cpp
new file mode 100644
index 0000000000..a4167914d1
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/fpdf_font_charset.cpp
@@ -0,0 +1,1782 @@
+// 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/include/fpdfapi/fpdf_page.h"
+#include "core/include/fpdfapi/fpdf_parser_decode.h"
+#include "core/include/fpdfapi/fpdf_resource.h"
+#include "core/include/fxge/fx_freetype.h"
+
+static const struct _UnicodeAlt {
+  FX_WORD m_Unicode;
+  const FX_CHAR* m_Alter;
+} UnicodeAlts[] = {
+    {0x00a0, " "},    {0x00a1, "!"},   {0x00a2, "c"},   {0x00a3, "P"},
+    {0x00a4, "o"},    {0x00a5, "Y"},   {0x00a6, "|"},   {0x00a7, "S"},
+    {0x00a9, "(C)"},  {0x00aa, "a"},   {0x00ab, "<<"},  {0x00ac, "-|"},
+    {0x00ae, "(R)"},  {0x00af, "-"},   {0x00b0, "o"},   {0x00b1, "+/-"},
+    {0x00b2, "^2"},   {0x00b3, "^3"},  {0x00b4, "'"},   {0x00b5, "u"},
+    {0x00b6, "P"},    {0x00b7, "."},   {0x00b9, "^1"},  {0x00ba, "o"},
+    {0x00bb, ">>"},   {0x00bc, "1/4"}, {0x00bd, "1/2"}, {0x00be, "3/4"},
+    {0x00bf, "?"},    {0x00c0, "A"},   {0x00c1, "A"},   {0x00c2, "A"},
+    {0x00c3, "A"},    {0x00c4, "A"},   {0x00c5, "A"},   {0x00c6, "AE"},
+    {0x00c7, "C"},    {0x00c8, "E"},   {0x00c9, "E"},   {0x00ca, "E"},
+    {0x00cb, "E"},    {0x00cc, "I"},   {0x00cd, "I"},   {0x00ce, "I"},
+    {0x00cf, "I"},    {0x00d1, "N"},   {0x00d2, "O"},   {0x00d3, "O"},
+    {0x00d4, "O"},    {0x00d5, "O"},   {0x00d6, "O"},   {0x00d7, "x"},
+    {0x00d8, "O"},    {0x00d9, "U"},   {0x00da, "U"},   {0x00db, "U"},
+    {0x00dc, "U"},    {0x00dd, "Y"},   {0x00df, "S"},   {0x00e0, "a"},
+    {0x00e1, "a"},    {0x00e2, "a"},   {0x00e3, "a"},   {0x00e4, "a"},
+    {0x00e5, "a"},    {0x00e6, "ae"},  {0x00e7, "c"},   {0x00e8, "e"},
+    {0x00e9, "e"},    {0x00ea, "e"},   {0x00eb, "e"},   {0x00ec, "i"},
+    {0x00ed, "i"},    {0x00ee, "i"},   {0x00ef, "i"},   {0x00f1, "n"},
+    {0x00f2, "o"},    {0x00f3, "o"},   {0x00f4, "o"},   {0x00f5, "o"},
+    {0x00f6, "o"},    {0x00f7, "/"},   {0x00f8, "o"},   {0x00f9, "u"},
+    {0x00fa, "u"},    {0x00fb, "u"},   {0x00fc, "u"},   {0x00fd, "y"},
+    {0x00ff, "y"},    {0x02b0, "h"},   {0x02b2, "j"},   {0x02b3, "r"},
+    {0x02b7, "w"},    {0x02b8, "y"},   {0x02b9, "'"},   {0x02ba, "\""},
+    {0x02bb, "'"},    {0x02bc, "'"},   {0x02bd, "'"},   {0x02be, "'"},
+    {0x02bf, "'"},    {0x02c2, "<"},   {0x02c3, ">"},   {0x02c4, "^"},
+    {0x02c5, "v"},    {0x02c6, "^"},   {0x02c7, "v"},   {0x02c8, "'"},
+    {0x02c9, "-"},    {0x02ca, "'"},   {0x02cb, "'"},   {0x02cc, "."},
+    {0x02cd, "_"},    {0x2010, "-"},   {0x2012, "-"},   {0x2013, "-"},
+    {0x2014, "--"},   {0x2015, "--"},  {0x2016, "|"},   {0x2017, "_"},
+    {0x2018, "'"},    {0x2019, "'"},   {0x201a, ","},   {0x201b, "'"},
+    {0x201c, "\""},   {0x201d, "\""},  {0x201e, ","},   {0x201f, "'"},
+    {0x2020, "+"},    {0x2021, "+"},   {0x2022, "*"},   {0x2023, ">"},
+    {0x2024, "."},    {0x2025, ".."},  {0x2027, "."},   {0x2032, "'"},
+    {0x2033, "\""},   {0x2035, "'"},   {0x2036, "\""},  {0x2038, "^"},
+    {0x2039, "<"},    {0x203a, ">"},   {0x203b, "*"},   {0x203c, "!!"},
+    {0x203d, "?!"},   {0x203e, "-"},   {0x2044, "/"},   {0x2047, "??"},
+    {0x2048, "?!"},   {0x2049, "!?"},  {0x204e, "*"},   {0x2052, "%"},
+    {0x2122, "(TM)"}, {0x2212, "-"},   {0x2215, "/"},   {0x2216, "\\"},
+    {0x2217, "*"},    {0x2218, "*"},   {0x2219, "*"},   {0x2223, "|"},
+    {0x22c5, "."},    {0x266f, "#"},   {0XF6D9, "(C)"}, {0XF6DA, "(C)"},
+    {0XF6DB, "(TM)"}, {0XF8E8, "(C)"}, {0xf8e9, "(C)"}, {0XF8EA, "(TM)"},
+    {0xfb01, "fi"},   {0xfb02, "fl"}};
+const FX_CHAR* FCS_GetAltStr(FX_WCHAR unicode) {
+  int begin = 0;
+  int end = sizeof UnicodeAlts / sizeof(struct _UnicodeAlt) - 1;
+  while (begin <= end) {
+    int middle = (begin + end) / 2;
+    FX_WORD middlecode = UnicodeAlts[middle].m_Unicode;
+    if (middlecode > unicode) {
+      end = middle - 1;
+    } else if (middlecode < unicode) {
+      begin = middle + 1;
+    } else {
+      return UnicodeAlts[middle].m_Alter;
+    }
+  }
+  return NULL;
+}
+static const FX_WORD StandardEncoding[256] = {
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x0022, 0x0023,
+    0x0024, 0x0025, 0x0026, 0x2019, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
+    0x002d, 0x002e, 0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+    0x0036, 0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e,
+    0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+    0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059,
+    0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x2018, 0x0061, 0x0062,
+    0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006a, 0x006b,
+    0x006c, 0x006d, 0x006e, 0x006f, 0x0070, 0x0071, 0x0072, 0x0073, 0x0074,
+    0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d,
+    0x007e, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00a1,
+    0x00a2, 0x00a3, 0x2044, 0x00a5, 0x0192, 0x00a7, 0x00a4, 0x0027, 0x201c,
+    0x00ab, 0x2039, 0x203a, 0xfb01, 0xfb02, 0x0000, 0x2013, 0x2020, 0x2021,
+    0x00b7, 0x0000, 0x00b6, 0x2022, 0x201a, 0x201e, 0x201d, 0x00bb, 0x2026,
+    0x2030, 0x0000, 0x00bf, 0x0000, 0x0060, 0x00b4, 0x02c6, 0x02dc, 0x00af,
+    0x02d8, 0x02d9, 0x00a8, 0x0000, 0x02da, 0x00b8, 0x0000, 0x02dd, 0x02db,
+    0x02c7, 0x2014, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x00c6, 0x0000, 0x00aa, 0x0000, 0x0000, 0x0000, 0x0000, 0x0141, 0x00d8,
+    0x0152, 0x00ba, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00e6, 0x0000,
+    0x0000, 0x0000, 0x0131, 0x0000, 0x0000, 0x0142, 0x00f8, 0x0153, 0x00df,
+    0x0000, 0x0000, 0x0000, 0x0000};
+static const FX_WORD MacRomanEncoding[256] = {
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x0022, 0x0023,
+    0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
+    0x002d, 0x002e, 0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+    0x0036, 0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e,
+    0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+    0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059,
+    0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0060, 0x0061, 0x0062,
+    0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006a, 0x006b,
+    0x006c, 0x006d, 0x006e, 0x006f, 0x0070, 0x0071, 0x0072, 0x0073, 0x0074,
+    0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d,
+    0x007e, 0x0000, 0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc,
+    0x00e1, 0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,
+    0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3, 0x00f2,
+    0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc, 0x2020, 0x00b0,
+    0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df, 0x00ae, 0x00a9, 0x2122,
+    0x00b4, 0x00a8, 0x0000, 0x00c6, 0x00d8, 0x0000, 0x00b1, 0x0000, 0x0000,
+    0x00a5, 0x00b5, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x00aa, 0x00ba,
+    0x0000, 0x00e6, 0x00f8, 0x00bf, 0x00a3, 0x00ac, 0x0000, 0x0192, 0x0000,
+    0x0000, 0x00ab, 0x00bb, 0x2026, 0x0020, 0x00c0, 0x00c3, 0x00d5, 0x0152,
+    0x0153, 0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x0000,
+    0x00ff, 0x0178, 0x2044, 0x00a4, 0x2039, 0x203a, 0xfb01, 0xfb02, 0x2021,
+    0x00b7, 0x201a, 0x201e, 0x2030, 0x00c2, 0x00ca, 0x00c1, 0x00cb, 0x00c8,
+    0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4, 0x0000, 0x00d2, 0x00da,
+    0x00db, 0x00d9, 0x0131, 0x02c6, 0x02dc, 0x00af, 0x02d8, 0x02d9, 0x02da,
+    0x00b8, 0x02dd, 0x02db, 0x02c7};
+static const FX_WORD AdobeWinAnsiEncoding[256] = {
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x0022, 0x0023,
+    0x0024, 0x0025, 0x0026, 0x0027, 0x0028, 0x0029, 0x002a, 0x002b, 0x002c,
+    0x002d, 0x002e, 0x002f, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+    0x0036, 0x0037, 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e,
+    0x003f, 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
+    0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f, 0x0050,
+    0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059,
+    0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f, 0x0060, 0x0061, 0x0062,
+    0x0063, 0x0064, 0x0065, 0x0066, 0x0067, 0x0068, 0x0069, 0x006a, 0x006b,
+    0x006c, 0x006d, 0x006e, 0x006f, 0x0070, 0x0071, 0x0072, 0x0073, 0x0074,
+    0x0075, 0x0076, 0x0077, 0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d,
+    0x007e, 0x2022, 0x20ac, 0x2022, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020,
+    0x2021, 0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0x2022, 0x017d, 0x2022,
+    0x2022, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014, 0x02dc,
+    0x2122, 0x0161, 0x203a, 0x0153, 0x2022, 0x017e, 0x0178, 0x0020, 0x00a1,
+    0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7, 0x00a8, 0x00a9, 0x00aa,
+    0x00ab, 0x00ac, 0x002d, 0x00ae, 0x00af, 0x00b0, 0x00b1, 0x00b2, 0x00b3,
+    0x00b4, 0x00b5, 0x00b6, 0x00b7, 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc,
+    0x00bd, 0x00be, 0x00bf, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5,
+    0x00c6, 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
+    0x00cf, 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
+    0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df, 0x00e0,
+    0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7, 0x00e8, 0x00e9,
+    0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef, 0x00f0, 0x00f1, 0x00f2,
+    0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb,
+    0x00fc, 0x00fd, 0x00fe, 0x00ff};
+static const FX_WORD MacExpertEncoding[256] = {
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0xf721, 0xf6f8, 0xf7a2,
+    0xf724, 0xf6e4, 0xf726, 0xf7b4, 0x207d, 0x207e, 0x2025, 0x2024, 0x002c,
+    0x002d, 0x002e, 0x2044, 0xf730, 0xf731, 0xf732, 0xf733, 0xf734, 0xf735,
+    0xf736, 0xf737, 0xf738, 0xf739, 0x003a, 0x003b, 0x0000, 0xf6de, 0x0000,
+    0xf73f, 0x0000, 0x0000, 0x0000, 0x0000, 0xf7f0, 0x0000, 0x0000, 0x00bc,
+    0x00bd, 0x00be, 0x215b, 0x215c, 0x215d, 0x215e, 0x2153, 0x2154, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfb00, 0xfb01, 0xfb02, 0xfb03,
+    0xfb04, 0x208d, 0x0000, 0x208e, 0xf6f6, 0xf6e5, 0xf760, 0xf761, 0xf762,
+    0xf763, 0xf764, 0xf765, 0xf766, 0xf767, 0xf768, 0xf769, 0xf76a, 0xf76b,
+    0xf76c, 0xf76d, 0xf76e, 0xf76f, 0xf770, 0xf771, 0xf772, 0xf773, 0xf774,
+    0xf775, 0xf776, 0xf777, 0xf778, 0xf779, 0xf77a, 0x20a1, 0xf6dc, 0xf6dd,
+    0xf6fe, 0x0000, 0x0000, 0xf6e9, 0xf6e0, 0x0000, 0x0000, 0x0000, 0x0000,
+    0xf7e1, 0xf7e0, 0xf7e2, 0xf7e4, 0xf7e3, 0xf7e5, 0xf7e7, 0xf7e9, 0xf7e8,
+    0xf7ea, 0xf7eb, 0xf7ed, 0xf7ec, 0xf7ee, 0xf7ef, 0xf7f1, 0xf7f3, 0xf7f2,
+    0xf7f4, 0xf7f6, 0xf7f5, 0xf7fa, 0xf7f9, 0xf7fb, 0xf7fc, 0x0000, 0x2078,
+    0x2084, 0x2083, 0x2086, 0x2088, 0x2087, 0xf6fd, 0x0000, 0xf6df, 0x2082,
+    0x0000, 0xf7a8, 0x0000, 0xf6f5, 0xf6fd, 0x2085, 0x0000, 0xf6e1, 0xf6e7,
+    0xf7fd, 0x0000, 0xf6e3, 0x0000, 0x0000, 0xf7fe, 0x0000, 0x2089, 0x2080,
+    0xf6ff, 0xf7e6, 0xf7f8, 0xf7bf, 0x2081, 0xf6e9, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0xf7b8, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0xf6fa, 0x2012, 0xf6e6, 0x0000, 0x0000, 0x0000, 0x0000, 0xf7a1, 0x0000,
+    0xf7ff, 0x0000, 0x00b9, 0x00b2, 0x00b3, 0x2074, 0x2075, 0x2076, 0x2077,
+    0x2079, 0x2070, 0x0000, 0xf6ec, 0xf6f1, 0x0000, 0x0000, 0x0000, 0xf6ed,
+    0xf6f2, 0xf6eb, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xf6ee, 0xf6fb,
+    0xf6f4, 0xf7af, 0xf6ea, 0x207f, 0xf6ef, 0xf6e2, 0xf6e8, 0xf6f7, 0xf6fc,
+    0x0000, 0x0000, 0x0000, 0x0000};
+static const FX_WORD AdobeSymbolEncoding[256] = {
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x0021, 0x2200, 0x0023,
+    0x2203, 0x0025, 0x0026, 0x220B, 0x0028, 0x0029, 0x2217, 0x002B, 0x002C,
+    0x2212, 0x002E, 0x002F, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035,
+    0x0036, 0x0037, 0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E,
+    0x003F, 0x2245, 0x0391, 0x0392, 0x03A7, 0x0394, 0x0395, 0x03A6, 0x0393,
+    0x0397, 0x0399, 0x03D1, 0x039A, 0x039B, 0x039C, 0x039D, 0x039F, 0x03A0,
+    0x0398, 0x03A1, 0x03A3, 0x03A4, 0x03A5, 0x03C2, 0x03A9, 0x039E, 0x03A8,
+    0x0396, 0x005B, 0x2234, 0x005D, 0x22A5, 0x005F, 0xF8E5, 0x03B1, 0x03B2,
+    0x03C7, 0x03B4, 0x03B5, 0x03C6, 0x03B3, 0x03B7, 0x03B9, 0x03D5, 0x03BA,
+    0x03BB, 0x03BC, 0x03BD, 0x03BF, 0x03C0, 0x03B8, 0x03C1, 0x03C3, 0x03C4,
+    0x03C5, 0x03D6, 0x03C9, 0x03BE, 0x03C8, 0x03B6, 0x007B, 0x007C, 0x007D,
+    0x223C, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x20AC, 0x03D2,
+    0x2032, 0x2264, 0x2044, 0x221E, 0x0192, 0x2663, 0x2666, 0x2665, 0x2660,
+    0x2194, 0x2190, 0x2191, 0x2192, 0x2193, 0x00B0, 0x00B1, 0x2033, 0x2265,
+    0x00D7, 0x221D, 0x2202, 0x2022, 0x00F7, 0x2260, 0x2261, 0x2248, 0x2026,
+    0xF8E6, 0xF8E7, 0x21B5, 0x2135, 0x2111, 0x211C, 0x2118, 0x2297, 0x2295,
+    0x2205, 0x2229, 0x222A, 0x2283, 0x2287, 0x2284, 0x2282, 0x2286, 0x2208,
+    0x2209, 0x2220, 0x2207, 0xF6DA, 0xF6D9, 0xF6DB, 0x220F, 0x221A, 0x22C5,
+    0x00AC, 0x2227, 0x2228, 0x21D4, 0x21D0, 0x21D1, 0x21D2, 0x21D3, 0x25CA,
+    0x2329, 0xF8E8, 0xF8E9, 0xF8EA, 0x2211, 0xF8EB, 0xF8EC, 0xF8ED, 0xF8EE,
+    0xF8EF, 0xF8F0, 0xF8F1, 0xF8F2, 0xF8F3, 0xF8F4, 0x0000, 0x232A, 0x222B,
+    0x2320, 0xF8F5, 0x2321, 0xF8F6, 0xF8F7, 0xF8F8, 0xF8F9, 0xF8FA, 0xF8FB,
+    0xF8FC, 0xF8FD, 0xF8FE, 0x0000,
+};
+static const FX_WORD ZapfEncoding[256] = {
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0020, 0x2701, 0x2702, 0x2703,
+    0x2704, 0x260E, 0x2706, 0x2707, 0x2708, 0x2709, 0x261B, 0x261E, 0x270C,
+    0x270D, 0x270E, 0x270F, 0x2710, 0x2711, 0x2712, 0x2713, 0x2714, 0x2715,
+    0x2716, 0x2717, 0x2718, 0x2719, 0x271A, 0x271B, 0x271C, 0x271D, 0x271E,
+    0x271F, 0x2720, 0x2721, 0x2722, 0x2723, 0x2724, 0x2725, 0x2726, 0x2727,
+    0x2605, 0x2729, 0x272A, 0x272B, 0x272C, 0x272D, 0x272E, 0x272F, 0x2730,
+    0x2731, 0x2732, 0x2733, 0x2734, 0x2735, 0x2736, 0x2737, 0x2738, 0x2739,
+    0x273A, 0x273B, 0x273C, 0x273D, 0x273E, 0x273F, 0x2740, 0x2741, 0x2742,
+    0x2743, 0x2744, 0x2745, 0x2746, 0x2747, 0x2748, 0x2749, 0x274A, 0x274B,
+    0x25CF, 0x274D, 0x25A0, 0x274F, 0x2750, 0x2751, 0x2752, 0x25B2, 0x25BC,
+    0x25C6, 0x2756, 0x25D7, 0x2758, 0x2759, 0x275A, 0x275B, 0x275C, 0x275D,
+    0x275E, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x2761,
+    0x2762, 0x2763, 0x2764, 0x2765, 0x2766, 0x2767, 0x2663, 0x2666, 0x2665,
+    0x2660, 0x2460, 0x2461, 0x2462, 0x2463, 0x2464, 0x2465, 0x2466, 0x2467,
+    0x2468, 0x2469, 0x2776, 0x2777, 0x2778, 0x2779, 0x277A, 0x277B, 0x277C,
+    0x277D, 0x277E, 0x277F, 0x2780, 0x2781, 0x2782, 0x2783, 0x2784, 0x2785,
+    0x2786, 0x2787, 0x2788, 0x2789, 0x278A, 0x278B, 0x278C, 0x278D, 0x278E,
+    0x278F, 0x2790, 0x2791, 0x2792, 0x2793, 0x2794, 0x2192, 0x2194, 0x2195,
+    0x2798, 0x2799, 0x279A, 0x279B, 0x279C, 0x279D, 0x279E, 0x279F, 0x27A0,
+    0x27A1, 0x27A2, 0x27A3, 0x27A4, 0x27A5, 0x27A6, 0x27A7, 0x27A8, 0x27A9,
+    0x27AA, 0x27AB, 0x27AC, 0x27AD, 0x27AE, 0x27AF, 0x0000, 0x27B1, 0x27B2,
+    0x27B3, 0x27B4, 0x27B5, 0x27B6, 0x27B7, 0x27B8, 0x27B9, 0x27BA, 0x27BB,
+    0x27BC, 0x27BD, 0x27BE, 0x0000,
+};
+static const FX_CHAR* const StandardEncodingNames[224] = {
+    "space",
+    "exclam",
+    "quotedbl",
+    "numbersign",
+    "dollar",
+    "percent",
+    "ampersand",
+    "quoteright",
+    "parenleft",
+    "parenright",
+    "asterisk",
+    "plus",
+    "comma",
+    "hyphen",
+    "period",
+    "slash",
+    "zero",
+    "one",
+    "two",
+    "three",
+    "four",
+    "five",
+    "six",
+    "seven",
+    "eight",
+    "nine",
+    "colon",
+    "semicolon",
+    "less",
+    "equal",
+    "greater",
+    "question",
+    "at",
+    "A",
+    "B",
+    "C",
+    "D",
+    "E",
+    "F",
+    "G",
+    "H",
+    "I",
+    "J",
+    "K",
+    "L",
+    "M",
+    "N",
+    "O",
+    "P",
+    "Q",
+    "R",
+    "S",
+    "T",
+    "U",
+    "V",
+    "W",
+    "X",
+    "Y",
+    "Z",
+    "bracketleft",
+    "backslash",
+    "bracketright",
+    "asciicircum",
+    "underscore",
+    "quoteleft",
+    "a",
+    "b",
+    "c",
+    "d",
+    "e",
+    "f",
+    "g",
+    "h",
+    "i",
+    "j",
+    "k",
+    "l",
+    "m",
+    "n",
+    "o",
+    "p",
+    "q",
+    "r",
+    "s",
+    "t",
+    "u",
+    "v",
+    "w",
+    "x",
+    "y",
+    "z",
+    "braceleft",
+    "bar",
+    "braceright",
+    "asciitilde",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "exclamdown",
+    "cent",
+    "sterling",
+    "fraction",
+    "yen",
+    "florin",
+    "section",
+    "currency",
+    "quotesingle",
+    "quotedblleft",
+    "guillemotleft",
+    "guilsinglleft",
+    "guilsinglright",
+    "fi",
+    "fl",
+    NULL,
+    "endash",
+    "dagger",
+    "daggerdbl",
+    "periodcentered",
+    NULL,
+    "paragraph",
+    "bullet",
+    "quotesinglbase",
+    "quotedblbase",
+    "quotedblright",
+    "guillemotright",
+    "ellipsis",
+    "perthousand",
+    NULL,
+    "questiondown",
+    NULL,
+    "grave",
+    "acute",
+    "circumflex",
+    "tilde",
+    "macron",
+    "breve",
+    "dotaccent",
+    "dieresis",
+    NULL,
+    "ring",
+    "cedilla",
+    NULL,
+    "hungarumlaut",
+    "ogonek",
+    "caron",
+    "emdash",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "AE",
+    NULL,
+    "ordfeminine",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "Lslash",
+    "Oslash",
+    "OE",
+    "ordmasculine",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "ae",
+    NULL,
+    NULL,
+    NULL,
+    "dotlessi",
+    NULL,
+    NULL,
+    "lslash",
+    "oslash",
+    "oe",
+    "germandbls",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+};
+static const FX_CHAR* const AdobeWinAnsiEncodingNames[224] = {
+    "space",
+    "exclam",
+    "quotedbl",
+    "numbersign",
+    "dollar",
+    "percent",
+    "ampersand",
+    "quotesingle",
+    "parenleft",
+    "parenright",
+    "asterisk",
+    "plus",
+    "comma",
+    "hyphen",
+    "period",
+    "slash",
+    "zero",
+    "one",
+    "two",
+    "three",
+    "four",
+    "five",
+    "six",
+    "seven",
+    "eight",
+    "nine",
+    "colon",
+    "semicolon",
+    "less",
+    "equal",
+    "greater",
+    "question",
+    "at",
+    "A",
+    "B",
+    "C",
+    "D",
+    "E",
+    "F",
+    "G",
+    "H",
+    "I",
+    "J",
+    "K",
+    "L",
+    "M",
+    "N",
+    "O",
+    "P",
+    "Q",
+    "R",
+    "S",
+    "T",
+    "U",
+    "V",
+    "W",
+    "X",
+    "Y",
+    "Z",
+    "bracketleft",
+    "backslash",
+    "bracketright",
+    "asciicircum",
+    "underscore",
+    "grave",
+    "a",
+    "b",
+    "c",
+    "d",
+    "e",
+    "f",
+    "g",
+    "h",
+    "i",
+    "j",
+    "k",
+    "l",
+    "m",
+    "n",
+    "o",
+    "p",
+    "q",
+    "r",
+    "s",
+    "t",
+    "u",
+    "v",
+    "w",
+    "x",
+    "y",
+    "z",
+    "braceleft",
+    "bar",
+    "braceright",
+    "asciitilde",
+    "bullet",
+    "Euro",
+    "bullet",
+    "quotesinglbase",
+    "florin",
+    "quotedblbase",
+    "ellipsis",
+    "dagger",
+    "daggerdbl",
+    "circumflex",
+    "perthousand",
+    "Scaron",
+    "guilsinglleft",
+    "OE",
+    "bullet",
+    "Zcaron",
+    "bullet",
+    "bullet",
+    "quoteleft",
+    "quoteright",
+    "quotedblleft",
+    "quotedblright",
+    "bullet",
+    "endash",
+    "emdash",
+    "tilde",
+    "trademark",
+    "scaron",
+    "guilsinglright",
+    "oe",
+    "bullet",
+    "zcaron",
+    "Ydieresis",
+    "space",
+    "exclamdown",
+    "cent",
+    "sterling",
+    "currency",
+    "yen",
+    "brokenbar",
+    "section",
+    "dieresis",
+    "copyright",
+    "ordfeminine",
+    "guillemotleft",
+    "logicalnot",
+    "hyphen",
+    "registered",
+    "macron",
+    "degree",
+    "plusminus",
+    "twosuperior",
+    "threesuperior",
+    "acute",
+    "mu",
+    "paragraph",
+    "periodcentered",
+    "cedilla",
+    "onesuperior",
+    "ordmasculine",
+    "guillemotright",
+    "onequarter",
+    "onehalf",
+    "threequarters",
+    "questiondown",
+    "Agrave",
+    "Aacute",
+    "Acircumflex",
+    "Atilde",
+    "Adieresis",
+    "Aring",
+    "AE",
+    "Ccedilla",
+    "Egrave",
+    "Eacute",
+    "Ecircumflex",
+    "Edieresis",
+    "Igrave",
+    "Iacute",
+    "Icircumflex",
+    "Idieresis",
+    "Eth",
+    "Ntilde",
+    "Ograve",
+    "Oacute",
+    "Ocircumflex",
+    "Otilde",
+    "Odieresis",
+    "multiply",
+    "Oslash",
+    "Ugrave",
+    "Uacute",
+    "Ucircumflex",
+    "Udieresis",
+    "Yacute",
+    "Thorn",
+    "germandbls",
+    "agrave",
+    "aacute",
+    "acircumflex",
+    "atilde",
+    "adieresis",
+    "aring",
+    "ae",
+    "ccedilla",
+    "egrave",
+    "eacute",
+    "ecircumflex",
+    "edieresis",
+    "igrave",
+    "iacute",
+    "icircumflex",
+    "idieresis",
+    "eth",
+    "ntilde",
+    "ograve",
+    "oacute",
+    "ocircumflex",
+    "otilde",
+    "odieresis",
+    "divide",
+    "oslash",
+    "ugrave",
+    "uacute",
+    "ucircumflex",
+    "udieresis",
+    "yacute",
+    "thorn",
+    "ydieresis",
+};
+static const FX_CHAR* const MacRomanEncodingNames[224] = {
+    "space",
+    "exclam",
+    "quotedbl",
+    "numbersign",
+    "dollar",
+    "percent",
+    "ampersand",
+    "quotesingle",
+    "parenleft",
+    "parenright",
+    "asterisk",
+    "plus",
+    "comma",
+    "hyphen",
+    "period",
+    "slash",
+    "zero",
+    "one",
+    "two",
+    "three",
+    "four",
+    "five",
+    "six",
+    "seven",
+    "eight",
+    "nine",
+    "colon",
+    "semicolon",
+    "less",
+    "equal",
+    "greater",
+    "question",
+    "at",
+    "A",
+    "B",
+    "C",
+    "D",
+    "E",
+    "F",
+    "G",
+    "H",
+    "I",
+    "J",
+    "K",
+    "L",
+    "M",
+    "N",
+    "O",
+    "P",
+    "Q",
+    "R",
+    "S",
+    "T",
+    "U",
+    "V",
+    "W",
+    "X",
+    "Y",
+    "Z",
+    "bracketleft",
+    "backslash",
+    "bracketright",
+    "asciicircum",
+    "underscore",
+    "grave",
+    "a",
+    "b",
+    "c",
+    "d",
+    "e",
+    "f",
+    "g",
+    "h",
+    "i",
+    "j",
+    "k",
+    "l",
+    "m",
+    "n",
+    "o",
+    "p",
+    "q",
+    "r",
+    "s",
+    "t",
+    "u",
+    "v",
+    "w",
+    "x",
+    "y",
+    "z",
+    "braceleft",
+    "bar",
+    "braceright",
+    "asciitilde",
+    NULL,
+    "Adieresis",
+    "Aring",
+    "Ccedilla",
+    "Eacute",
+    "Ntilde",
+    "Odieresis",
+    "Udieresis",
+    "aacute",
+    "agrave",
+    "acircumflex",
+    "adieresis",
+    "atilde",
+    "aring",
+    "ccedilla",
+    "eacute",
+    "egrave",
+    "ecircumflex",
+    "edieresis",
+    "iacute",
+    "igrave",
+    "icircumflex",
+    "idieresis",
+    "ntilde",
+    "oacute",
+    "ograve",
+    "ocircumflex",
+    "odieresis",
+    "otilde",
+    "uacute",
+    "ugrave",
+    "ucircumflex",
+    "udieresis",
+    "dagger",
+    "degree",
+    "cent",
+    "sterling",
+    "section",
+    "bullet",
+    "paragraph",
+    "germandbls",
+    "registered",
+    "copyright",
+    "trademark",
+    "acute",
+    "dieresis",
+    "notequal",
+    "AE",
+    "Oslash",
+    "infinity",
+    "plusminus",
+    "lessequal",
+    "greaterequal",
+    "yen",
+    "mu",
+    "partialdiff",
+    "summation",
+    "product",
+    "pi",
+    "integral",
+    "ordfeminine",
+    "ordmasculine",
+    "Omega",
+    "ae",
+    "oslash",
+    "questiondown",
+    "exclamdown",
+    "logicalnot",
+    "radical",
+    "florin",
+    "approxequal",
+    "Delta",
+    "guillemotleft",
+    "guillemotright",
+    "ellipsis",
+    "space",
+    "Agrave",
+    "Atilde",
+    "Otilde",
+    "OE",
+    "oe",
+    "endash",
+    "emdash",
+    "quotedblleft",
+    "quotedblright",
+    "quoteleft",
+    "quoteright",
+    "divide",
+    "lozenge",
+    "ydieresis",
+    "Ydieresis",
+    "fraction",
+    "currency",
+    "guilsinglleft",
+    "guilsinglright",
+    "fi",
+    "fl",
+    "daggerdbl",
+    "periodcentered",
+    "quotesinglbase",
+    "quotedblbase",
+    "perthousand",
+    "Acircumflex",
+    "Ecircumflex",
+    "Aacute",
+    "Edieresis",
+    "Egrave",
+    "Iacute",
+    "Icircumflex",
+    "Idieresis",
+    "Igrave",
+    "Oacute",
+    "Ocircumflex",
+    "apple",
+    "Ograve",
+    "Uacute",
+    "Ucircumflex",
+    "Ugrave",
+    "dotlessi",
+    "circumflex",
+    "tilde",
+    "macron",
+    "breve",
+    "dotaccent",
+    "ring",
+    "cedilla",
+    "hungarumlaut",
+    "ogonek",
+    "caron",
+};
+static const FX_CHAR* const MacExpertEncodingNames[224] = {
+    "space",
+    "exclamsmall",
+    "Hungarumlautsmall",
+    "centoldstyle",
+    "dollaroldstyle",
+    "dollarsuperior",
+    "ampersandsmall",
+    "Acutesmall",
+    "parenleftsuperior",
+    "parenrightsuperior",
+    "twodotenleader",
+    "onedotenleader",
+    "comma",
+    "hyphen",
+    "period",
+    "fraction",
+    "zerooldstyle",
+    "oneoldstyle",
+    "twooldstyle",
+    "threeoldstyle",
+    "fouroldstyle",
+    "fiveoldstyle",
+    "sixoldstyle",
+    "sevenoldstyle",
+    "eightoldstyle",
+    "nineoldstyle",
+    "colon",
+    "semicolon",
+    NULL,
+    "threequartersemdash",
+    NULL,
+    "questionsmall",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "Ethsmall",
+    NULL,
+    NULL,
+    "onequarter",
+    "onehalf",
+    "threequarters",
+    "oneeighth",
+    "threeeighths",
+    "fiveeighths",
+    "seveneighths",
+    "onethird",
+    "twothirds",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "ff",
+    "fi",
+    "fl",
+    "ffi",
+    "ffl",
+    "parenleftinferior",
+    NULL,
+    "parenrightinferior",
+    "Circumflexsmall",
+    "hypheninferior",
+    "Gravesmall",
+    "Asmall",
+    "Bsmall",
+    "Csmall",
+    "Dsmall",
+    "Esmall",
+    "Fsmall",
+    "Gsmall",
+    "Hsmall",
+    "Ismall",
+    "Jsmall",
+    "Ksmall",
+    "Lsmall",
+    "Msmall",
+    "Nsmall",
+    "Osmall",
+    "Psmall",
+    "Qsmall",
+    "Rsmall",
+    "Ssmall",
+    "Tsmall",
+    "Usmall",
+    "Vsmall",
+    "Wsmall",
+    "Xsmall",
+    "Ysmall",
+    "Zsmall",
+    "colonmonetary",
+    "onefitted",
+    "rupiah",
+    "Tildesmall",
+    NULL,
+    NULL,
+    "asuperior",
+    "centsuperior",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "Aacutesmall",
+    "Agravesmall",
+    "Acircumflexsmall",
+    "Adieresissmall",
+    "Atildesmall",
+    "Aringsmall",
+    "Ccedillasmall",
+    "Eacutesmall",
+    "Egravesmall",
+    "Ecircumflexsmall",
+    "Edieresissmall",
+    "Iacutesmall",
+    "Igravesmall",
+    "Icircumflexsmall",
+    "Idieresissmall",
+    "Ntildesmall",
+    "Oacutesmall",
+    "Ogravesmall",
+    "Ocircumflexsmall",
+    "Odieresissmall",
+    "Otildesmall",
+    "Uacutesmall",
+    "Ugravesmall",
+    "Ucircumflexsmall",
+    "Udieresissmall",
+    NULL,
+    "eightsuperior",
+    "fourinferior",
+    "threeinferior",
+    "sixinferior",
+    "eightinferior",
+    "seveninferior",
+    "Scaronsmall",
+    NULL,
+    "centinferior",
+    "twoinferior",
+    NULL,
+    "Dieresissmall",
+    NULL,
+    "Caronsmall",
+    "Scaronsmall",
+    "fiveinferior",
+    NULL,
+    "commainferior",
+    "periodinferior",
+    "Yacutesmall",
+    NULL,
+    "dollarinferior",
+    NULL,
+    NULL,
+    "Thornsmall",
+    NULL,
+    "nineinferior",
+    "zeroinferior",
+    "Zcaronsmall",
+    "AEsmall",
+    "Oslashsmall",
+    "questiondownsmall",
+    "oneinferior",
+    "asuperior",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "Cedillasmall",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "OEsmall",
+    "figuredash",
+    "hyphensuperior",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "exclamdownsmall",
+    NULL,
+    "Ydieresissmall",
+    NULL,
+    "onesuperior",
+    "twosuperior",
+    "threesuperior",
+    "foursuperior",
+    "fivesuperior",
+    "sixsuperior",
+    "sevensuperior",
+    "ninesuperior",
+    "zerosuperior",
+    NULL,
+    "esuperior",
+    "rsuperior",
+    NULL,
+    NULL,
+    NULL,
+    "isuperior",
+    "ssuperior",
+    "dsuperior",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "lsuperior",
+    "Ogoneksmall",
+    "Brevesmall",
+    "Macronsmall",
+    "bsuperior",
+    "nsuperior",
+    "msuperior",
+    "commasuperior",
+    "periodsuperior",
+    "Dotaccentsmall",
+    "Ringsmall",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+};
+static const FX_CHAR* const PDFDocEncodingNames[232] = {
+    "breve",
+    "caron",
+    "circumflex",
+    "dotaccent",
+    "hungarumlaut",
+    "ogonek",
+    "ring",
+    "tilde",
+    "space",
+    "exclam",
+    "quotedbl",
+    "numbersign",
+    "dollar",
+    "percent",
+    "ampersand",
+    "quotesingle",
+    "parenleft",
+    "parenright",
+    "asterisk",
+    "plus",
+    "comma",
+    "hyphen",
+    "period",
+    "slash",
+    "zero",
+    "one",
+    "two",
+    "three",
+    "four",
+    "five",
+    "six",
+    "seven",
+    "eight",
+    "nine",
+    "colon",
+    "semicolon",
+    "less",
+    "equal",
+    "greater",
+    "question",
+    "at",
+    "A",
+    "B",
+    "C",
+    "D",
+    "E",
+    "F",
+    "G",
+    "H",
+    "I",
+    "J",
+    "K",
+    "L",
+    "M",
+    "N",
+    "O",
+    "P",
+    "Q",
+    "R",
+    "S",
+    "T",
+    "U",
+    "V",
+    "W",
+    "X",
+    "Y",
+    "Z",
+    "bracketleft",
+    "backslash",
+    "bracketright",
+    "asciicircum",
+    "underscore",
+    "grave",
+    "a",
+    "b",
+    "c",
+    "d",
+    "e",
+    "f",
+    "g",
+    "h",
+    "i",
+    "j",
+    "k",
+    "l",
+    "m",
+    "n",
+    "o",
+    "p",
+    "q",
+    "r",
+    "s",
+    "t",
+    "u",
+    "v",
+    "w",
+    "x",
+    "y",
+    "z",
+    "braceleft",
+    "bar",
+    "braceright",
+    "asciitilde",
+    NULL,
+    "bullet3",
+    "dagger",
+    "daggerdbl",
+    "ellipsis",
+    "emdash",
+    "endash",
+    "florin",
+    "fraction",
+    "guilsinglleft",
+    "guilsinglright",
+    "minus",
+    "perthousand",
+    "quotedblbase",
+    "quotedblleft",
+    "quotedblright",
+    "quoteleft",
+    "quoteright",
+    "quotesinglbase",
+    "trademark",
+    "fi",
+    "fl",
+    "Lslash",
+    "OE",
+    "Scaron",
+    "Ydieresis",
+    "Zcaron2",
+    "dotlessi",
+    "lslash",
+    "oe",
+    "scaron",
+    "zcaron2",
+    NULL,
+    "Euro",
+    "exclamdown",
+    "cent",
+    "sterling",
+    "currency",
+    "yen",
+    "brokenbar",
+    "section",
+    "dieresis",
+    "copyright",
+    "ordfeminine",
+    "guillemotleft4",
+    "logicalnot",
+    NULL,
+    "registered",
+    "macron",
+    "degree",
+    "plusminus",
+    "twosuperior",
+    "threesuperior",
+    "acute",
+    "mu",
+    "paragraph",
+    "periodcentered",
+    "cedilla",
+    "onesuperior",
+    "ordmasculine",
+    "guillemotright4",
+    "onequarter",
+    "onehalf",
+    "threequarters",
+    "questiondown",
+    "Agrave",
+    "Aacute",
+    "Acircumflex",
+    "Atilde",
+    "Adieresis",
+    "Aring",
+    "AE",
+    "Ccedilla",
+    "Egrave",
+    "Eacute",
+    "Ecircumflex",
+    "Edieresis",
+    "Igrave",
+    "Iacute",
+    "Icircumflex",
+    "Idieresis",
+    "Eth",
+    "Ntilde",
+    "Ograve",
+    "Oacute",
+    "Ocircumflex",
+    "Otilde",
+    "Odieresis",
+    "multiply",
+    "Oslash",
+    "Ugrave",
+    "Uacute",
+    "Ucircumflex",
+    "Udieresis",
+    "Yacute",
+    "Thorn",
+    "germandbls",
+    "agrave",
+    "aacute",
+    "acircumflex",
+    "atilde",
+    "adieresis",
+    "aring",
+    "ae",
+    "ccedilla",
+    "egrave",
+    "eacute",
+    "ecircumflex",
+    "edieresis",
+    "igrave",
+    "iacute",
+    "icircumflex",
+    "idieresis",
+    "eth",
+    "ntilde",
+    "ograve",
+    "oacute",
+    "ocircumflex",
+    "otilde",
+    "odieresis",
+    "divide",
+    "oslash",
+    "ugrave",
+    "uacute",
+    "ucircumflex",
+    "udieresis",
+    "yacute",
+    "thorn",
+    "ydieresis",
+};
+static const FX_CHAR* const AdobeSymbolEncodingNames[224] = {
+    "space",
+    "exclam",
+    "universal",
+    "numbersign",
+    "existential",
+    "percent",
+    "ampersand",
+    "suchthat",
+    "parenleft",
+    "parenright",
+    "asteriskmath",
+    "plus",
+    "comma",
+    "minus",
+    "period",
+    "slash",
+    "zero",
+    "one",
+    "two",
+    "three",
+    "four",
+    "five",
+    "six",
+    "seven",
+    "eight",
+    "nine",
+    "colon",
+    "semicolon",
+    "less",
+    "equal",
+    "greater",
+    "question",
+    "congruent",
+    "Alpha",
+    "Beta",
+    "Chi",
+    "Delta",
+    "Epsilon",
+    "Phi",
+    "Gamma",
+    "Eta",
+    "Iota",
+    "theta1",
+    "Kappa",
+    "Lambda",
+    "Mu",
+    "Nu",
+    "Omicron",
+    "Pi",
+    "Theta",
+    "Rho",
+    "Sigma",
+    "Tau",
+    "Upsilon",
+    "sigma1",
+    "Omega",
+    "Xi",
+    "Psi",
+    "Zeta",
+    "bracketleft",
+    "therefore",
+    "bracketright",
+    "perpendicular",
+    "underscore",
+    "radicalex",
+    "alpha",
+    "beta",
+    "chi",
+    "delta",
+    "epsilon",
+    "phi",
+    "gamma",
+    "eta",
+    "iota",
+    "phi1",
+    "kappa",
+    "lambda",
+    "mu",
+    "nu",
+    "omicron",
+    "pi",
+    "theta",
+    "rho",
+    "sigma",
+    "tau",
+    "upsilon",
+    "omega1",
+    "omega",
+    "xi",
+    "psi",
+    "zeta",
+    "braceleft",
+    "bar",
+    "braceright",
+    "similar",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    "Euro",
+    "Upsilon1",
+    "minute",
+    "lessequal",
+    "fraction",
+    "infinity",
+    "florin",
+    "club",
+    "diamond",
+    "heart",
+    "spade",
+    "arrowboth",
+    "arrowleft",
+    "arrowup",
+    "arrowright",
+    "arrowdown",
+    "degree",
+    "plusminus",
+    "second",
+    "greaterequal",
+    "multiply",
+    "proportional",
+    "partialdiff",
+    "bullet",
+    "divide",
+    "notequal",
+    "equivalence",
+    "approxequal",
+    "ellipsis",
+    "arrowvertex",
+    "arrowhorizex",
+    "carriagereturn",
+    "aleph",
+    "Ifraktur",
+    "Rfraktur",
+    "weierstrass",
+    "circlemultiply",
+    "circleplus",
+    "emptyset",
+    "intersection",
+    "union",
+    "propersuperset",
+    "reflexsuperset",
+    "notsubset",
+    "propersubset",
+    "reflexsubset",
+    "element",
+    "notelement",
+    "angle",
+    "gradient",
+    "registerserif",
+    "copyrightserif",
+    "trademarkserif",
+    "product",
+    "radical",
+    "dotmath",
+    "logicalnot",
+    "logicaland",
+    "logicalor",
+    "arrowdblboth",
+    "arrowdblleft",
+    "arrowdblup",
+    "arrowdblright",
+    "arrowdbldown",
+    "lozenge",
+    "angleleft",
+    "registersans",
+    "copyrightsans",
+    "trademarksans",
+    "summation",
+    "parenlefttp",
+    "parenleftex",
+    "parenleftbt",
+    "bracketlefttp",
+    "bracketleftex",
+    "bracketleftbt",
+    "bracelefttp",
+    "braceleftmid",
+    "braceleftbt",
+    "braceex",
+    NULL,
+    "angleright",
+    "integral",
+    "integraltp",
+    "integralex",
+    "integralbt",
+    "parenrighttp",
+    "parenrightex",
+    "parenrightbt",
+    "bracketrighttp",
+    "bracketrightex",
+    "bracketrightbt",
+    "bracerighttp",
+    "bracerightmid",
+    "bracerightbt",
+    NULL,
+};
+static const FX_CHAR* const ZapfEncodingNames[224] = {
+    "space", "a1",   "a2",   "a202", "a3",   "a4",   "a5",   "a119", "a118",
+    "a117",  "a11",  "a12",  "a13",  "a14",  "a15",  "a16",  "a105", "a17",
+    "a18",   "a19",  "a20",  "a21",  "a22",  "a23",  "a24",  "a25",  "a26",
+    "a27",   "a28",  "a6",   "a7",   "a8",   "a9",   "a10",  "a29",  "a30",
+    "a31",   "a32",  "a33",  "a34",  "a35",  "a36",  "a37",  "a38",  "a39",
+    "a40",   "a41",  "a42",  "a43",  "a44",  "a45",  "a46",  "a47",  "a48",
+    "a49",   "a50",  "a51",  "a52",  "a53",  "a54",  "a55",  "a56",  "a57",
+    "a58",   "a59",  "a60",  "a61",  "a62",  "a63",  "a64",  "a65",  "a66",
+    "a67",   "a68",  "a69",  "a70",  "a71",  "a72",  "a73",  "a74",  "a203",
+    "a75",   "a204", "a76",  "a77",  "a78",  "a79",  "a81",  "a82",  "a83",
+    "a84",   "a97",  "a98",  "a99",  "a100", NULL,   "a89",  "a90",  "a93",
+    "a94",   "a91",  "a92",  "a205", "a85",  "a206", "a86",  "a87",  "a88",
+    "a95",   "a96",  NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
+    NULL,    NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
+    NULL,    NULL,   NULL,   "a101", "a102", "a103", "a104", "a106", "a107",
+    "a108",  "a112", "a111", "a110", "a109", "a120", "a121", "a122", "a123",
+    "a124",  "a125", "a126", "a127", "a128", "a129", "a130", "a131", "a132",
+    "a133",  "a134", "a135", "a136", "a137", "a138", "a139", "a140", "a141",
+    "a142",  "a143", "a144", "a145", "a146", "a147", "a148", "a149", "a150",
+    "a151",  "a152", "a153", "a154", "a155", "a156", "a157", "a158", "a159",
+    "a160",  "a161", "a163", "a164", "a196", "a165", "a192", "a166", "a167",
+    "a168",  "a169", "a170", "a171", "a172", "a173", "a162", "a174", "a175",
+    "a176",  "a177", "a178", "a179", "a193", "a180", "a199", "a181", "a200",
+    "a182",  NULL,   "a201", "a183", "a184", "a197", "a185", "a194", "a198",
+    "a186",  "a195", "a187", "a188", "a189", "a190", "a191", NULL};
+const FX_CHAR* PDF_CharNameFromPredefinedCharSet(int encoding,
+                                                 uint8_t charcode) {
+  if (encoding == PDFFONT_ENCODING_PDFDOC) {
+    if (charcode < 24) {
+      return NULL;
+    }
+    charcode -= 24;
+  } else {
+    if (charcode < 32) {
+      return NULL;
+    }
+    charcode -= 32;
+  }
+  switch (encoding) {
+    case PDFFONT_ENCODING_WINANSI:
+      return AdobeWinAnsiEncodingNames[charcode];
+    case PDFFONT_ENCODING_MACROMAN:
+      return MacRomanEncodingNames[charcode];
+    case PDFFONT_ENCODING_MACEXPERT:
+      return MacExpertEncodingNames[charcode];
+    case PDFFONT_ENCODING_STANDARD:
+      return StandardEncodingNames[charcode];
+    case PDFFONT_ENCODING_ADOBE_SYMBOL:
+      return AdobeSymbolEncodingNames[charcode];
+    case PDFFONT_ENCODING_ZAPFDINGBATS:
+      return ZapfEncodingNames[charcode];
+    case PDFFONT_ENCODING_PDFDOC:
+      return PDFDocEncodingNames[charcode];
+  }
+  return NULL;
+}
+FX_WCHAR FT_UnicodeFromCharCode(int encoding, FX_DWORD charcode) {
+  switch (encoding) {
+    case FXFT_ENCODING_UNICODE:
+      return (FX_WORD)charcode;
+    case FXFT_ENCODING_ADOBE_STANDARD:
+      return StandardEncoding[(uint8_t)charcode];
+    case FXFT_ENCODING_ADOBE_EXPERT:
+      return MacExpertEncoding[(uint8_t)charcode];
+    case FXFT_ENCODING_ADOBE_LATIN_1:
+      return AdobeWinAnsiEncoding[(uint8_t)charcode];
+    case FXFT_ENCODING_APPLE_ROMAN:
+      return MacRomanEncoding[(uint8_t)charcode];
+    case PDFFONT_ENCODING_PDFDOC:
+      return PDFDocEncoding[(uint8_t)charcode];
+  }
+  return 0;
+}
+static FX_DWORD PDF_FindCode(const FX_WORD* pCodes, FX_WORD unicode) {
+  for (FX_DWORD i = 0; i < 256; i++)
+    if (pCodes[i] == unicode) {
+      return i;
+    }
+  return 0;
+}
+static const FX_WORD MSSymbolEncoding[256] = {
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 32,     33,     8704,   35,
+    8707,   37,     38,     8715,   40,     41,     8727,   43,     44,
+    8722,   46,     47,     48,     49,     50,     51,     52,     53,
+    54,     55,     56,     57,     58,     59,     60,     61,     62,
+    63,     8773,   913,    914,    935,    916,    917,    934,    915,
+    919,    921,    977,    922,    923,    924,    925,    927,    928,
+    920,    929,    931,    932,    933,    962,    937,    926,    936,
+    918,    91,     8756,   93,     8869,   95,     8254,   945,    946,
+    967,    948,    949,    966,    947,    951,    953,    981,    954,
+    955,    956,    957,    959,    960,    952,    961,    963,    964,
+    965,    982,    969,    958,    968,    950,    123,    124,    125,
+    8764,   0,      0,      0,      0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+    0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 978,
+    8242,   8804,   8725,   8734,   402,    9827,   9830,   9828,   9824,
+    8596,   8592,   8593,   8594,   8595,   176,    177,    8243,   8805,
+    215,    8733,   8706,   8729,   247,    8800,   8801,   8776,   8943,
+    0,      0,      8629,   0,      8465,   8476,   8472,   8855,   8853,
+    8709,   8745,   8746,   8835,   8839,   8836,   8834,   8838,   8712,
+    8713,   8736,   8711,   174,    169,    8482,   8719,   8730,   8901,
+    172,    8743,   8744,   8660,   8656,   8657,   8658,   8659,   9674,
+    9001,   0,      0,      0,      8721,   0,      0,      0,      0,
+    0,      0,      0,      0,      0,      0,      0x0000, 9002,   8747,
+    8992,   0,      8993,   0,      0,      0,      0,      0,      0,
+    0x0000, 0x0000, 0x0000, 0x0000};
+FX_DWORD FT_CharCodeFromUnicode(int encoding, FX_WCHAR unicode) {
+  switch (encoding) {
+    case FXFT_ENCODING_UNICODE:
+      return unicode;
+    case FXFT_ENCODING_ADOBE_STANDARD:
+      return PDF_FindCode(StandardEncoding, unicode);
+    case FXFT_ENCODING_ADOBE_EXPERT:
+      return PDF_FindCode(MacExpertEncoding, unicode);
+    case FXFT_ENCODING_ADOBE_LATIN_1:
+      return PDF_FindCode(AdobeWinAnsiEncoding, unicode);
+    case FXFT_ENCODING_APPLE_ROMAN:
+      return PDF_FindCode(MacRomanEncoding, unicode);
+    case FXFT_ENCODING_ADOBE_CUSTOM:
+      return PDF_FindCode(PDFDocEncoding, unicode);
+    case FXFT_ENCODING_MS_SYMBOL:
+      return PDF_FindCode(MSSymbolEncoding, unicode);
+  }
+  return 0;
+}
+const FX_WORD* PDF_UnicodesForPredefinedCharSet(int encoding) {
+  switch (encoding) {
+    case PDFFONT_ENCODING_WINANSI:
+      return AdobeWinAnsiEncoding;
+    case PDFFONT_ENCODING_MACROMAN:
+      return MacRomanEncoding;
+    case PDFFONT_ENCODING_MACEXPERT:
+      return MacExpertEncoding;
+    case PDFFONT_ENCODING_STANDARD:
+      return StandardEncoding;
+    case PDFFONT_ENCODING_ADOBE_SYMBOL:
+      return AdobeSymbolEncoding;
+    case PDFFONT_ENCODING_ZAPFDINGBATS:
+      return ZapfEncoding;
+    case PDFFONT_ENCODING_PDFDOC:
+      return PDFDocEncoding;
+    case PDFFONT_ENCODING_MS_SYMBOL:
+      return MSSymbolEncoding;
+  }
+  return NULL;
+}
+FX_DWORD PDF_PredefinedCharCodeFromUnicode(int encoding, FX_WCHAR unicode) {
+  return PDF_FindCode(PDF_UnicodesForPredefinedCharSet(encoding), unicode);
+}
+FX_WCHAR PDF_UnicodeFromAdobeName(const FX_CHAR* name) {
+  return (FX_WCHAR)(FXFT_unicode_from_adobe_name(name) & 0x7FFFFFFF);
+}
+CFX_ByteString PDF_AdobeNameFromUnicode(FX_WCHAR unicode) {
+  char glyph_name[64];
+  FXFT_adobe_name_from_unicode(glyph_name, unicode);
+  return CFX_ByteString(glyph_name);
+}
diff --git a/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp
new file mode 100644
index 0000000000..91fb9fc2ae
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/fpdf_font_cid.cpp
@@ -0,0 +1,1676 @@
+// 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/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_dictionary.h"
+#include "core/include/fpdfapi/cpdf_simple_parser.h"
+#include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfapi/fpdf_page.h"
+#include "core/include/fpdfapi/fpdf_resource.h"
+#include "core/include/fxcrt/fx_ext.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 int g_CharsetCPs[CIDSET_NUM_SETS] = {0, 936, 950, 932, 949, 1200};
+
+class CPDF_PredefinedCMap {
+ public:
+  const FX_CHAR* m_pName;
+  CIDSet m_Charset;
+  int m_Coding;
+  CPDF_CMap::CodingScheme m_CodingScheme;
+  FX_DWORD m_LeadingSegCount;
+  uint8_t m_LeadingSegs[4];
+};
+
+const CPDF_PredefinedCMap g_PredefinedCMaps[] = {
+    {"GB-EUC",
+     CIDSET_GB1,
+     CIDCODING_GB,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0xa1, 0xfe}},
+    {"GBpc-EUC",
+     CIDSET_GB1,
+     CIDCODING_GB,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0xa1, 0xfc}},
+    {"GBK-EUC",
+     CIDSET_GB1,
+     CIDCODING_GB,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0x81, 0xfe}},
+    {"GBKp-EUC",
+     CIDSET_GB1,
+     CIDCODING_GB,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0x81, 0xfe}},
+    {"GBK2K-EUC",
+     CIDSET_GB1,
+     CIDCODING_GB,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0x81, 0xfe}},
+    {"GBK2K",
+     CIDSET_GB1,
+     CIDCODING_GB,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0x81, 0xfe}},
+    {"UniGB-UCS2", CIDSET_GB1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+    {"UniGB-UTF16", CIDSET_GB1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
+    {"B5pc",
+     CIDSET_CNS1,
+     CIDCODING_BIG5,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0xa1, 0xfc}},
+    {"HKscs-B5",
+     CIDSET_CNS1,
+     CIDCODING_BIG5,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0x88, 0xfe}},
+    {"ETen-B5",
+     CIDSET_CNS1,
+     CIDCODING_BIG5,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0xa1, 0xfe}},
+    {"ETenms-B5",
+     CIDSET_CNS1,
+     CIDCODING_BIG5,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0xa1, 0xfe}},
+    {"UniCNS-UCS2", CIDSET_CNS1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+    {"UniCNS-UTF16", CIDSET_CNS1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
+    {"83pv-RKSJ",
+     CIDSET_JAPAN1,
+     CIDCODING_JIS,
+     CPDF_CMap::MixedTwoBytes,
+     2,
+     {0x81, 0x9f, 0xe0, 0xfc}},
+    {"90ms-RKSJ",
+     CIDSET_JAPAN1,
+     CIDCODING_JIS,
+     CPDF_CMap::MixedTwoBytes,
+     2,
+     {0x81, 0x9f, 0xe0, 0xfc}},
+    {"90msp-RKSJ",
+     CIDSET_JAPAN1,
+     CIDCODING_JIS,
+     CPDF_CMap::MixedTwoBytes,
+     2,
+     {0x81, 0x9f, 0xe0, 0xfc}},
+    {"90pv-RKSJ",
+     CIDSET_JAPAN1,
+     CIDCODING_JIS,
+     CPDF_CMap::MixedTwoBytes,
+     2,
+     {0x81, 0x9f, 0xe0, 0xfc}},
+    {"Add-RKSJ",
+     CIDSET_JAPAN1,
+     CIDCODING_JIS,
+     CPDF_CMap::MixedTwoBytes,
+     2,
+     {0x81, 0x9f, 0xe0, 0xfc}},
+    {"EUC",
+     CIDSET_JAPAN1,
+     CIDCODING_JIS,
+     CPDF_CMap::MixedTwoBytes,
+     2,
+     {0x8e, 0x8e, 0xa1, 0xfe}},
+    {"H", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}},
+    {"V", CIDSET_JAPAN1, CIDCODING_JIS, CPDF_CMap::TwoBytes, 1, {0x21, 0x7e}},
+    {"Ext-RKSJ",
+     CIDSET_JAPAN1,
+     CIDCODING_JIS,
+     CPDF_CMap::MixedTwoBytes,
+     2,
+     {0x81, 0x9f, 0xe0, 0xfc}},
+    {"UniJIS-UCS2", CIDSET_JAPAN1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+    {"UniJIS-UCS2-HW",
+     CIDSET_JAPAN1,
+     CIDCODING_UCS2,
+     CPDF_CMap::TwoBytes,
+     0,
+     {}},
+    {"UniJIS-UTF16",
+     CIDSET_JAPAN1,
+     CIDCODING_UTF16,
+     CPDF_CMap::TwoBytes,
+     0,
+     {}},
+    {"KSC-EUC",
+     CIDSET_KOREA1,
+     CIDCODING_KOREA,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0xa1, 0xfe}},
+    {"KSCms-UHC",
+     CIDSET_KOREA1,
+     CIDCODING_KOREA,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0x81, 0xfe}},
+    {"KSCms-UHC-HW",
+     CIDSET_KOREA1,
+     CIDCODING_KOREA,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0x81, 0xfe}},
+    {"KSCpc-EUC",
+     CIDSET_KOREA1,
+     CIDCODING_KOREA,
+     CPDF_CMap::MixedTwoBytes,
+     1,
+     {0xa1, 0xfd}},
+    {"UniKS-UCS2", CIDSET_KOREA1, CIDCODING_UCS2, CPDF_CMap::TwoBytes, 0, {}},
+    {"UniKS-UTF16", CIDSET_KOREA1, CIDCODING_UTF16, CPDF_CMap::TwoBytes, 0, {}},
+};
+
+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)) {
+    return -1;
+  }
+  if ((*(FX_DWORD*)key) >
+      (*(FX_DWORD*)element) + ((FX_DWORD*)element)[1] / 65536) {
+    return 1;
+  }
+  return 0;
+}
+
+int CheckCodeRange(uint8_t* codes,
+                   int size,
+                   CMap_CodeRange* pRanges,
+                   int nRanges) {
+  int iSeg = nRanges - 1;
+  while (iSeg >= 0) {
+    if (pRanges[iSeg].m_CharSize < size) {
+      --iSeg;
+      continue;
+    }
+    int iChar = 0;
+    while (iChar < size) {
+      if (codes[iChar] < pRanges[iSeg].m_Lower[iChar] ||
+          codes[iChar] > pRanges[iSeg].m_Upper[iChar]) {
+        break;
+      }
+      ++iChar;
+    }
+    if (iChar == pRanges[iSeg].m_CharSize)
+      return 2;
+
+    if (iChar)
+      return (size == pRanges[iSeg].m_CharSize) ? 2 : 1;
+    iSeg--;
+  }
+  return 0;
+}
+
+int GetCharSizeImpl(FX_DWORD charcode,
+                    CMap_CodeRange* pRanges,
+                    int iRangesSize) {
+  if (!iRangesSize)
+    return 1;
+
+  uint8_t codes[4];
+  codes[0] = codes[1] = 0x00;
+  codes[2] = (uint8_t)(charcode >> 8 & 0xFF);
+  codes[3] = (uint8_t)charcode;
+  int offset = 0;
+  int size = 4;
+  for (int i = 0; i < 4; ++i) {
+    int iSeg = iRangesSize - 1;
+    while (iSeg >= 0) {
+      if (pRanges[iSeg].m_CharSize < size) {
+        --iSeg;
+        continue;
+      }
+      int iChar = 0;
+      while (iChar < size) {
+        if (codes[offset + iChar] < pRanges[iSeg].m_Lower[iChar] ||
+            codes[offset + iChar] > pRanges[iSeg].m_Upper[iChar]) {
+          break;
+        }
+        ++iChar;
+      }
+      if (iChar == pRanges[iSeg].m_CharSize)
+        return size;
+      --iSeg;
+    }
+    --size;
+    ++offset;
+  }
+  return 1;
+}
+
+bool IsValidEmbeddedCharcodeFromUnicodeCharset(CIDSet charset) {
+  switch (charset) {
+    case CIDSET_GB1:
+    case CIDSET_CNS1:
+    case CIDSET_JAPAN1:
+    case CIDSET_KOREA1:
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+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 FX_WORD* 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;
+}
+#endif  // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+
+FX_WCHAR EmbeddedUnicodeFromCharcode(const FXCMAP_CMap* pEmbedMap,
+                                     CIDSet charset,
+                                     FX_DWORD charcode) {
+  if (!IsValidEmbeddedCharcodeFromUnicodeCharset(charset))
+    return 0;
+
+  FX_WORD cid = FPDFAPI_CIDFromCharCode(pEmbedMap, charcode);
+  if (cid == 0)
+    return 0;
+
+  CPDF_FontGlobals* pFontGlobals =
+      CPDF_ModuleMgr::Get()->GetPageModule()->GetFontGlobals();
+  const FX_WORD* pCodes = pFontGlobals->m_EmbeddedToUnicodes[charset].m_pMap;
+  if (!pCodes)
+    return 0;
+
+  if (cid < pFontGlobals->m_EmbeddedToUnicodes[charset].m_Count)
+    return pCodes[cid];
+  return 0;
+}
+
+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 {
+  FX_WORD 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) {
+  FX_WORD CID = *static_cast<const FX_WORD*>(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;
+  }
+  m_CMaps.clear();
+  for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) {
+    delete m_CID2UnicodeMaps[i];
+  }
+}
+CPDF_CMap* CPDF_CMapManager::GetPredefinedCMap(const CFX_ByteString& name,
+                                               FX_BOOL bPromptCJK) {
+  auto it = m_CMaps.find(name);
+  if (it != m_CMaps.end()) {
+    return it->second;
+  }
+  CPDF_CMap* pCMap = LoadPredefinedCMap(name, bPromptCJK);
+  if (!name.IsEmpty()) {
+    m_CMaps[name] = pCMap;
+  }
+  return pCMap;
+}
+CPDF_CMap* CPDF_CMapManager::LoadPredefinedCMap(const CFX_ByteString& name,
+                                                FX_BOOL bPromptCJK) {
+  CPDF_CMap* pCMap = new CPDF_CMap;
+  const FX_CHAR* pname = name;
+  if (*pname == '/') {
+    pname++;
+  }
+  pCMap->LoadPredefined(this, pname, bPromptCJK);
+  return pCMap;
+}
+
+void CPDF_CMapManager::ReloadAll() {
+  for (const auto& pair : m_CMaps) {
+    CPDF_CMap* pCMap = pair.second;
+    pCMap->LoadPredefined(this, pair.first, FALSE);
+  }
+  for (size_t i = 0; i < FX_ArraySize(m_CID2UnicodeMaps); ++i) {
+    if (CPDF_CID2UnicodeMap* pMap = m_CID2UnicodeMaps[i]) {
+      pMap->Load(this, CIDSetFromSizeT(i), FALSE);
+    }
+  }
+}
+CPDF_CID2UnicodeMap* CPDF_CMapManager::GetCID2UnicodeMap(CIDSet charset,
+                                                         FX_BOOL bPromptCJK) {
+  if (!m_CID2UnicodeMaps[charset])
+    m_CID2UnicodeMaps[charset] = LoadCID2UnicodeMap(charset, bPromptCJK);
+  return m_CID2UnicodeMaps[charset];
+}
+CPDF_CID2UnicodeMap* CPDF_CMapManager::LoadCID2UnicodeMap(CIDSet charset,
+                                                          FX_BOOL bPromptCJK) {
+  CPDF_CID2UnicodeMap* pMap = new CPDF_CID2UnicodeMap();
+  if (!pMap->Initialize()) {
+    delete pMap;
+    return NULL;
+  }
+  pMap->Load(this, charset, bPromptCJK);
+  return pMap;
+}
+CPDF_CMapParser::CPDF_CMapParser() {
+  m_pCMap = NULL;
+  m_Status = 0;
+  m_CodeSeq = 0;
+}
+FX_BOOL CPDF_CMapParser::Initialize(CPDF_CMap* pCMap) {
+  m_pCMap = pCMap;
+  m_Status = 0;
+  m_CodeSeq = 0;
+  m_AddMaps.EstimateSize(0, 10240);
+  return TRUE;
+}
+
+void CPDF_CMapParser::ParseWord(const CFX_ByteStringC& word) {
+  if (word.IsEmpty()) {
+    return;
+  }
+  if (word == "begincidchar") {
+    m_Status = 1;
+    m_CodeSeq = 0;
+  } else if (word == "begincidrange") {
+    m_Status = 2;
+    m_CodeSeq = 0;
+  } else if (word == "endcidrange" || word == "endcidchar") {
+    m_Status = 0;
+  } else if (word == "/WMode") {
+    m_Status = 6;
+  } else if (word == "/Registry") {
+    m_Status = 3;
+  } else if (word == "/Ordering") {
+    m_Status = 4;
+  } else if (word == "/Supplement") {
+    m_Status = 5;
+  } else if (word == "begincodespacerange") {
+    m_Status = 7;
+    m_CodeSeq = 0;
+  } else if (word == "usecmap") {
+  } else if (m_Status == 1 || m_Status == 2) {
+    m_CodePoints[m_CodeSeq] = CMap_GetCode(word);
+    m_CodeSeq++;
+    FX_DWORD StartCode, EndCode;
+    FX_WORD StartCID;
+    if (m_Status == 1) {
+      if (m_CodeSeq < 2) {
+        return;
+      }
+      EndCode = StartCode = m_CodePoints[0];
+      StartCID = (FX_WORD)m_CodePoints[1];
+    } else {
+      if (m_CodeSeq < 3) {
+        return;
+      }
+      StartCode = m_CodePoints[0];
+      EndCode = m_CodePoints[1];
+      StartCID = (FX_WORD)m_CodePoints[2];
+    }
+    if (EndCode < 0x10000) {
+      for (FX_DWORD code = StartCode; code <= EndCode; code++) {
+        m_pCMap->m_pMapping[code] = (FX_WORD)(StartCID + code - StartCode);
+      }
+    } else {
+      FX_DWORD buf[2];
+      buf[0] = StartCode;
+      buf[1] = ((EndCode - StartCode) << 16) + StartCID;
+      m_AddMaps.AppendBlock(buf, sizeof buf);
+    }
+    m_CodeSeq = 0;
+  } else if (m_Status == 3) {
+    CMap_GetString(word);
+    m_Status = 0;
+  } else if (m_Status == 4) {
+    m_pCMap->m_Charset = CharsetFromOrdering(CMap_GetString(word));
+    m_Status = 0;
+  } else if (m_Status == 5) {
+    CMap_GetCode(word);
+    m_Status = 0;
+  } else if (m_Status == 6) {
+    m_pCMap->m_bVertical = CMap_GetCode(word);
+    m_Status = 0;
+  } else if (m_Status == 7) {
+    if (word == "endcodespacerange") {
+      int nSegs = m_CodeRanges.GetSize();
+      if (nSegs > 1) {
+        m_pCMap->m_CodingScheme = CPDF_CMap::MixedFourBytes;
+        m_pCMap->m_nCodeRanges = nSegs;
+        m_pCMap->m_pLeadingBytes =
+            FX_Alloc2D(uint8_t, nSegs, sizeof(CMap_CodeRange));
+        FXSYS_memcpy(m_pCMap->m_pLeadingBytes, m_CodeRanges.GetData(),
+                     nSegs * sizeof(CMap_CodeRange));
+      } else if (nSegs == 1) {
+        m_pCMap->m_CodingScheme = (m_CodeRanges[0].m_CharSize == 2)
+                                      ? CPDF_CMap::TwoBytes
+                                      : CPDF_CMap::OneByte;
+      }
+      m_Status = 0;
+    } else {
+      if (word.GetLength() == 0 || word.GetAt(0) != '<') {
+        return;
+      }
+      if (m_CodeSeq % 2) {
+        CMap_CodeRange range;
+        if (CMap_GetCodeRange(range, m_LastWord, word)) {
+          m_CodeRanges.Add(range);
+        }
+      }
+      m_CodeSeq++;
+    }
+  }
+  m_LastWord = word;
+}
+
+// Static.
+FX_DWORD CPDF_CMapParser::CMap_GetCode(const CFX_ByteStringC& word) {
+  int num = 0;
+  if (word.GetAt(0) == '<') {
+    for (int i = 1; i < word.GetLength() && std::isxdigit(word.GetAt(i)); ++i)
+      num = num * 16 + FXSYS_toHexDigit(word.GetAt(i));
+    return num;
+  }
+
+  for (int i = 0; i < word.GetLength() && std::isdigit(word.GetAt(i)); ++i)
+    num = num * 10 + FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(word.GetAt(i)));
+  return num;
+}
+
+// Static.
+bool CPDF_CMapParser::CMap_GetCodeRange(CMap_CodeRange& range,
+                                        const CFX_ByteStringC& first,
+                                        const CFX_ByteStringC& second) {
+  if (first.GetLength() == 0 || first.GetAt(0) != '<')
+    return false;
+
+  int i;
+  for (i = 1; i < first.GetLength(); ++i) {
+    if (first.GetAt(i) == '>') {
+      break;
+    }
+  }
+  range.m_CharSize = (i - 1) / 2;
+  if (range.m_CharSize > 4)
+    return false;
+
+  for (i = 0; i < range.m_CharSize; ++i) {
+    uint8_t digit1 = first.GetAt(i * 2 + 1);
+    uint8_t digit2 = first.GetAt(i * 2 + 2);
+    range.m_Lower[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2);
+  }
+
+  FX_DWORD size = second.GetLength();
+  for (i = 0; i < range.m_CharSize; ++i) {
+    uint8_t digit1 = ((FX_DWORD)i * 2 + 1 < size)
+                         ? second.GetAt((FX_STRSIZE)i * 2 + 1)
+                         : '0';
+    uint8_t digit2 = ((FX_DWORD)i * 2 + 2 < size)
+                         ? second.GetAt((FX_STRSIZE)i * 2 + 2)
+                         : '0';
+    range.m_Upper[i] = FXSYS_toHexDigit(digit1) * 16 + FXSYS_toHexDigit(digit2);
+  }
+  return true;
+}
+
+CPDF_CMap::CPDF_CMap() {
+  m_Charset = CIDSET_UNKNOWN;
+  m_Coding = CIDCODING_UNKNOWN;
+  m_CodingScheme = TwoBytes;
+  m_bVertical = 0;
+  m_bLoaded = FALSE;
+  m_pMapping = NULL;
+  m_pLeadingBytes = NULL;
+  m_pAddMapping = NULL;
+  m_pEmbedMap = NULL;
+  m_pUseMap = NULL;
+  m_nCodeRanges = 0;
+}
+CPDF_CMap::~CPDF_CMap() {
+  FX_Free(m_pMapping);
+  FX_Free(m_pAddMapping);
+  FX_Free(m_pLeadingBytes);
+  delete m_pUseMap;
+}
+void CPDF_CMap::Release() {
+  if (m_PredefinedCMap.IsEmpty()) {
+    delete this;
+  }
+}
+
+FX_BOOL CPDF_CMap::LoadPredefined(CPDF_CMapManager* pMgr,
+                                  const FX_CHAR* pName,
+                                  FX_BOOL bPromptCJK) {
+  m_PredefinedCMap = pName;
+  if (m_PredefinedCMap == "Identity-H" || m_PredefinedCMap == "Identity-V") {
+    m_Coding = CIDCODING_CID;
+    m_bVertical = pName[9] == 'V';
+    m_bLoaded = TRUE;
+    return TRUE;
+  }
+  CFX_ByteString cmapid = m_PredefinedCMap;
+  m_bVertical = cmapid.Right(1) == "V";
+  if (cmapid.GetLength() > 2) {
+    cmapid = cmapid.Left(cmapid.GetLength() - 2);
+  }
+  const CPDF_PredefinedCMap* map = nullptr;
+  for (size_t i = 0; i < FX_ArraySize(g_PredefinedCMaps); ++i) {
+    if (cmapid == CFX_ByteStringC(g_PredefinedCMaps[i].m_pName)) {
+      map = &g_PredefinedCMaps[i];
+      break;
+    }
+  }
+  if (!map)
+    return FALSE;
+
+  m_Charset = map->m_Charset;
+  m_Coding = map->m_Coding;
+  m_CodingScheme = map->m_CodingScheme;
+  if (m_CodingScheme == MixedTwoBytes) {
+    m_pLeadingBytes = FX_Alloc(uint8_t, 256);
+    for (FX_DWORD i = 0; i < map->m_LeadingSegCount; ++i) {
+      const uint8_t* segs = map->m_LeadingSegs;
+      for (int b = segs[i * 2]; b <= segs[i * 2 + 1]; ++b) {
+        m_pLeadingBytes[b] = 1;
+      }
+    }
+  }
+  FPDFAPI_FindEmbeddedCMap(pName, m_Charset, m_Coding, m_pEmbedMap);
+  if (m_pEmbedMap) {
+    m_bLoaded = TRUE;
+    return TRUE;
+  }
+  return FALSE;
+}
+FX_BOOL CPDF_CMap::LoadEmbedded(const uint8_t* pData, FX_DWORD size) {
+  m_pMapping = FX_Alloc(FX_WORD, 65536);
+  CPDF_CMapParser parser;
+  parser.Initialize(this);
+  CPDF_SimpleParser syntax(pData, size);
+  while (1) {
+    CFX_ByteStringC word = syntax.GetWord();
+    if (word.IsEmpty()) {
+      break;
+    }
+    parser.ParseWord(word);
+  }
+  if (m_CodingScheme == MixedFourBytes && parser.m_AddMaps.GetSize()) {
+    m_pAddMapping = FX_Alloc(uint8_t, parser.m_AddMaps.GetSize() + 4);
+    *(FX_DWORD*)m_pAddMapping = parser.m_AddMaps.GetSize() / 8;
+    FXSYS_memcpy(m_pAddMapping + 4, parser.m_AddMaps.GetBuffer(),
+                 parser.m_AddMaps.GetSize());
+    FXSYS_qsort(m_pAddMapping + 4, parser.m_AddMaps.GetSize() / 8, 8,
+                CompareDWORD);
+  }
+  return TRUE;
+}
+
+FX_WORD CPDF_CMap::CIDFromCharCode(FX_DWORD charcode) const {
+  if (m_Coding == CIDCODING_CID) {
+    return (FX_WORD)charcode;
+  }
+  if (m_pEmbedMap) {
+    return FPDFAPI_CIDFromCharCode(m_pEmbedMap, charcode);
+  }
+  if (!m_pMapping) {
+    return (FX_WORD)charcode;
+  }
+  if (charcode >> 16) {
+    if (m_pAddMapping) {
+      void* found = FXSYS_bsearch(&charcode, m_pAddMapping + 4,
+                                  *(FX_DWORD*)m_pAddMapping, 8, CompareCID);
+      if (!found) {
+        if (m_pUseMap) {
+          return m_pUseMap->CIDFromCharCode(charcode);
+        }
+        return 0;
+      }
+      return (FX_WORD)(((FX_DWORD*)found)[1] % 65536 + charcode -
+                       *(FX_DWORD*)found);
+    }
+    if (m_pUseMap)
+      return m_pUseMap->CIDFromCharCode(charcode);
+    return 0;
+  }
+  FX_DWORD CID = m_pMapping[charcode];
+  if (!CID && m_pUseMap)
+    return m_pUseMap->CIDFromCharCode(charcode);
+  return (FX_WORD)CID;
+}
+
+FX_DWORD CPDF_CMap::GetNextChar(const FX_CHAR* pString,
+                                int nStrLen,
+                                int& offset) const {
+  switch (m_CodingScheme) {
+    case OneByte:
+      return ((uint8_t*)pString)[offset++];
+    case TwoBytes:
+      offset += 2;
+      return ((uint8_t*)pString)[offset - 2] * 256 +
+             ((uint8_t*)pString)[offset - 1];
+    case MixedTwoBytes: {
+      uint8_t byte1 = ((uint8_t*)pString)[offset++];
+      if (!m_pLeadingBytes[byte1]) {
+        return byte1;
+      }
+      uint8_t byte2 = ((uint8_t*)pString)[offset++];
+      return byte1 * 256 + byte2;
+    }
+    case MixedFourBytes: {
+      uint8_t codes[4];
+      int char_size = 1;
+      codes[0] = ((uint8_t*)pString)[offset++];
+      CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes;
+      while (1) {
+        int ret = CheckCodeRange(codes, char_size, pRanges, m_nCodeRanges);
+        if (ret == 0) {
+          return 0;
+        }
+        if (ret == 2) {
+          FX_DWORD charcode = 0;
+          for (int i = 0; i < char_size; i++) {
+            charcode = (charcode << 8) + codes[i];
+          }
+          return charcode;
+        }
+        if (char_size == 4 || offset == nStrLen) {
+          return 0;
+        }
+        codes[char_size++] = ((uint8_t*)pString)[offset++];
+      }
+      break;
+    }
+  }
+  return 0;
+}
+int CPDF_CMap::GetCharSize(FX_DWORD charcode) const {
+  switch (m_CodingScheme) {
+    case OneByte:
+      return 1;
+    case TwoBytes:
+      return 2;
+    case MixedTwoBytes:
+    case MixedFourBytes:
+      if (charcode < 0x100) {
+        return 1;
+      }
+      if (charcode < 0x10000) {
+        return 2;
+      }
+      if (charcode < 0x1000000) {
+        return 3;
+      }
+      return 4;
+  }
+  return 1;
+}
+int CPDF_CMap::CountChar(const FX_CHAR* pString, int size) const {
+  switch (m_CodingScheme) {
+    case OneByte:
+      return size;
+    case TwoBytes:
+      return (size + 1) / 2;
+    case MixedTwoBytes: {
+      int count = 0;
+      for (int i = 0; i < size; i++) {
+        count++;
+        if (m_pLeadingBytes[((uint8_t*)pString)[i]]) {
+          i++;
+        }
+      }
+      return count;
+    }
+    case MixedFourBytes: {
+      int count = 0, offset = 0;
+      while (offset < size) {
+        GetNextChar(pString, size, offset);
+        count++;
+      }
+      return count;
+    }
+  }
+  return size;
+}
+
+int CPDF_CMap::AppendChar(FX_CHAR* str, FX_DWORD charcode) const {
+  switch (m_CodingScheme) {
+    case OneByte:
+      str[0] = (uint8_t)charcode;
+      return 1;
+    case TwoBytes:
+      str[0] = (uint8_t)(charcode / 256);
+      str[1] = (uint8_t)(charcode % 256);
+      return 2;
+    case MixedTwoBytes:
+    case MixedFourBytes:
+      if (charcode < 0x100) {
+        CMap_CodeRange* pRanges = (CMap_CodeRange*)m_pLeadingBytes;
+        int iSize = GetCharSizeImpl(charcode, pRanges, m_nCodeRanges);
+        if (iSize == 0) {
+          iSize = 1;
+        }
+        if (iSize > 1) {
+          FXSYS_memset(str, 0, sizeof(uint8_t) * iSize);
+        }
+        str[iSize - 1] = (uint8_t)charcode;
+        return iSize;
+      }
+      if (charcode < 0x10000) {
+        str[0] = (uint8_t)(charcode >> 8);
+        str[1] = (uint8_t)charcode;
+        return 2;
+      }
+      if (charcode < 0x1000000) {
+        str[0] = (uint8_t)(charcode >> 16);
+        str[1] = (uint8_t)(charcode >> 8);
+        str[2] = (uint8_t)charcode;
+        return 3;
+      }
+      str[0] = (uint8_t)(charcode >> 24);
+      str[1] = (uint8_t)(charcode >> 16);
+      str[2] = (uint8_t)(charcode >> 8);
+      str[3] = (uint8_t)charcode;
+      return 4;
+  }
+  return 0;
+}
+CPDF_CID2UnicodeMap::CPDF_CID2UnicodeMap() {
+  m_EmbeddedCount = 0;
+}
+CPDF_CID2UnicodeMap::~CPDF_CID2UnicodeMap() {}
+FX_BOOL CPDF_CID2UnicodeMap::Initialize() {
+  return TRUE;
+}
+FX_BOOL CPDF_CID2UnicodeMap::IsLoaded() {
+  return m_EmbeddedCount != 0;
+}
+FX_WCHAR CPDF_CID2UnicodeMap::UnicodeFromCID(FX_WORD CID) {
+  if (m_Charset == CIDSET_UNICODE) {
+    return CID;
+  }
+  if (CID < m_EmbeddedCount) {
+    return m_pEmbeddedMap[CID];
+  }
+  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);
+  }
+  delete m_pAllocatedCMap;
+  delete m_pCIDToGIDMap;
+  delete m_pTTGSUBTable;
+}
+
+bool CPDF_CIDFont::IsCIDFont() const {
+  return true;
+}
+
+const CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() const {
+  return this;
+}
+
+CPDF_CIDFont* CPDF_CIDFont::AsCIDFont() {
+  return this;
+}
+
+FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const {
+  if (!m_pCMap) {
+    return (FX_WORD)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((FX_WORD)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;
+#endif
+    if (m_pCMap->m_pEmbedMap) {
+      return EmbeddedUnicodeFromCharcode(m_pCMap->m_pEmbedMap,
+                                         m_pCMap->m_Charset, charcode);
+    }
+    return 0;
+  }
+  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((FX_WORD)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) {
+    FX_WORD 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];
+  }
+  FX_WORD 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(FX_WORD 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(FX_WORD 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 = (FX_WORD)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) {
+    FX_WORD 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;
+      }
+      FX_WORD 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;
+
+  FX_WORD 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, last_code;
+  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(FX_WORD, 128);
+  for (int i = 32; i < 127; i++) {
+    m_pAnsiWidths[i] = 500;
+  }
+  return TRUE;
+}
+
+const uint8_t* CPDF_CIDFont::GetCIDTransform(FX_WORD 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;
+}
diff --git a/core/fpdfapi/fpdf_font/fpdf_font_cid_unittest.cpp b/core/fpdfapi/fpdf_font/fpdf_font_cid_unittest.cpp
new file mode 100644
index 0000000000..c12b9c5eee
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/fpdf_font_cid_unittest.cpp
@@ -0,0 +1,65 @@
+// Copyright 2015 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.
+
+#include "core/fpdfapi/fpdf_font/font_int.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+bool uint_ranges_equal(uint8_t* a, uint8_t* b, size_t count) {
+  for (size_t i = 0; i < count; ++i) {
+    if (a[i] != b[i])
+      return false;
+  }
+  return true;
+}
+
+}  // namespace
+
+TEST(fpdf_font_cid, CMap_GetCode) {
+  EXPECT_EQ(0, CPDF_CMapParser::CMap_GetCode(""));
+  EXPECT_EQ(0, CPDF_CMapParser::CMap_GetCode("<"));
+  EXPECT_EQ(194, CPDF_CMapParser::CMap_GetCode("<c2"));
+  EXPECT_EQ(162, CPDF_CMapParser::CMap_GetCode("<A2"));
+  EXPECT_EQ(2802, CPDF_CMapParser::CMap_GetCode("<Af2"));
+  EXPECT_EQ(162, CPDF_CMapParser::CMap_GetCode("<A2z"));
+
+  EXPECT_EQ(12, CPDF_CMapParser::CMap_GetCode("12"));
+  EXPECT_EQ(12, CPDF_CMapParser::CMap_GetCode("12d"));
+  EXPECT_EQ(128, CPDF_CMapParser::CMap_GetCode("128"));
+}
+
+TEST(fpdf_font_cid, CMap_GetCodeRange) {
+  CMap_CodeRange range;
+
+  // Must start with a <
+  EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "", ""));
+  EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "A", ""));
+
+  // m_CharSize must be <= 4
+  EXPECT_FALSE(CPDF_CMapParser::CMap_GetCodeRange(range, "<aaaaaaaaaa>", ""));
+  EXPECT_EQ(5, range.m_CharSize);
+
+  EXPECT_TRUE(
+      CPDF_CMapParser::CMap_GetCodeRange(range, "<12345678>", "<87654321>"));
+  EXPECT_EQ(4, range.m_CharSize);
+  {
+    uint8_t lower[4] = {18, 52, 86, 120};
+    uint8_t upper[4] = {135, 101, 67, 33};
+    EXPECT_TRUE(uint_ranges_equal(lower, range.m_Lower, range.m_CharSize));
+    EXPECT_TRUE(uint_ranges_equal(upper, range.m_Upper, range.m_CharSize));
+  }
+
+  // Hex characters
+  EXPECT_TRUE(CPDF_CMapParser::CMap_GetCodeRange(range, "<a1>", "<F3>"));
+  EXPECT_EQ(1, range.m_CharSize);
+  EXPECT_EQ(161, range.m_Lower[0]);
+  EXPECT_EQ(243, range.m_Upper[0]);
+
+  // The second string should return 0's if it is shorter
+  EXPECT_TRUE(CPDF_CMapParser::CMap_GetCodeRange(range, "<a1>", ""));
+  EXPECT_EQ(1, range.m_CharSize);
+  EXPECT_EQ(161, range.m_Lower[0]);
+  EXPECT_EQ(0, range.m_Upper[0]);
+}
diff --git a/core/fpdfapi/fpdf_font/fpdf_font_unittest.cpp b/core/fpdfapi/fpdf_font/fpdf_font_unittest.cpp
new file mode 100644
index 0000000000..dd2119e0cf
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/fpdf_font_unittest.cpp
@@ -0,0 +1,30 @@
+// Copyright 2015 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.
+
+#include "core/fpdfapi/fpdf_font/font_int.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(fpdf_font, StringToCode) {
+  EXPECT_EQ(0, CPDF_ToUnicodeMap::StringToCode(""));
+  EXPECT_EQ(194, CPDF_ToUnicodeMap::StringToCode("<c2"));
+  EXPECT_EQ(162, CPDF_ToUnicodeMap::StringToCode("<A2"));
+  EXPECT_EQ(2802, CPDF_ToUnicodeMap::StringToCode("<Af2"));
+  EXPECT_EQ(12, CPDF_ToUnicodeMap::StringToCode("12"));
+  EXPECT_EQ(128, CPDF_ToUnicodeMap::StringToCode("128"));
+}
+
+TEST(fpdf_font, StringToWideString) {
+  EXPECT_EQ(L"", CPDF_ToUnicodeMap::StringToWideString(""));
+  EXPECT_EQ(L"", CPDF_ToUnicodeMap::StringToWideString("1234"));
+
+  EXPECT_EQ(L"", CPDF_ToUnicodeMap::StringToWideString("<c2"));
+
+  CFX_WideString res = L"\xc2ab";
+  EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2ab"));
+  EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2abab"));
+  EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2ab 1234"));
+
+  res += L"\xfaab";
+  EXPECT_EQ(res, CPDF_ToUnicodeMap::StringToWideString("<c2abFaAb"));
+}
diff --git a/core/fpdfapi/fpdf_font/ttgsubtable.cpp b/core/fpdfapi/fpdf_font/ttgsubtable.cpp
new file mode 100644
index 0000000000..24825ec14e
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/ttgsubtable.cpp
@@ -0,0 +1,415 @@
+// 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/ttgsubtable.h"
+
+#include <memory>
+
+#include "core/include/fxge/fx_freetype.h"
+#include "core/include/fxge/fx_ge.h"
+#include "third_party/base/stl_util.h"
+
+CFX_GlyphMap::CFX_GlyphMap() {}
+CFX_GlyphMap::~CFX_GlyphMap() {}
+extern "C" {
+static int _CompareInt(const void* p1, const void* p2) {
+  return (*(FX_DWORD*)p1) - (*(FX_DWORD*)p2);
+}
+};
+struct _IntPair {
+  int32_t key;
+  int32_t value;
+};
+void CFX_GlyphMap::SetAt(int key, int value) {
+  FX_DWORD count = m_Buffer.GetSize() / sizeof(_IntPair);
+  _IntPair* buf = (_IntPair*)m_Buffer.GetBuffer();
+  _IntPair pair = {key, value};
+  if (count == 0 || key > buf[count - 1].key) {
+    m_Buffer.AppendBlock(&pair, sizeof(_IntPair));
+    return;
+  }
+  int low = 0, high = count - 1;
+  while (low <= high) {
+    int mid = (low + high) / 2;
+    if (buf[mid].key < key) {
+      low = mid + 1;
+    } else if (buf[mid].key > key) {
+      high = mid - 1;
+    } else {
+      buf[mid].value = value;
+      return;
+    }
+  }
+  m_Buffer.InsertBlock(low * sizeof(_IntPair), &pair, sizeof(_IntPair));
+}
+FX_BOOL CFX_GlyphMap::Lookup(int key, int& value) {
+  void* pResult = FXSYS_bsearch(&key, m_Buffer.GetBuffer(),
+                                m_Buffer.GetSize() / sizeof(_IntPair),
+                                sizeof(_IntPair), _CompareInt);
+  if (!pResult) {
+    return FALSE;
+  }
+  value = ((FX_DWORD*)pResult)[1];
+  return TRUE;
+}
+bool CFX_CTTGSUBTable::LoadGSUBTable(FT_Bytes gsub) {
+  header.Version = gsub[0] << 24 | gsub[1] << 16 | gsub[2] << 8 | gsub[3];
+  if (header.Version != 0x00010000) {
+    return false;
+  }
+  header.ScriptList = gsub[4] << 8 | gsub[5];
+  header.FeatureList = gsub[6] << 8 | gsub[7];
+  header.LookupList = gsub[8] << 8 | gsub[9];
+  return Parse(&gsub[header.ScriptList], &gsub[header.FeatureList],
+               &gsub[header.LookupList]);
+}
+bool CFX_CTTGSUBTable::GetVerticalGlyph(uint32_t glyphnum,
+                                        uint32_t* vglyphnum) {
+  uint32_t tag[] = {
+      (uint8_t)'v' << 24 | (uint8_t)'r' << 16 | (uint8_t)'t' << 8 |
+          (uint8_t)'2',
+      (uint8_t)'v' << 24 | (uint8_t)'e' << 16 | (uint8_t)'r' << 8 |
+          (uint8_t)'t',
+  };
+  if (!m_bFeautureMapLoad) {
+    for (int i = 0; i < ScriptList.ScriptCount; i++) {
+      for (int j = 0; j < (ScriptList.ScriptRecord + i)->Script.LangSysCount;
+           ++j) {
+        for (int k = 0;
+             k < ((ScriptList.ScriptRecord + i)->Script.LangSysRecord + j)
+                     ->LangSys.FeatureCount;
+             ++k) {
+          FX_DWORD index =
+              *(((ScriptList.ScriptRecord + i)->Script.LangSysRecord + j)
+                    ->LangSys.FeatureIndex +
+                k);
+          if (FeatureList.FeatureRecord[index].FeatureTag == tag[0] ||
+              FeatureList.FeatureRecord[index].FeatureTag == tag[1]) {
+            if (!pdfium::ContainsKey(m_featureMap, index)) {
+              m_featureMap[index] = index;
+            }
+          }
+        }
+      }
+    }
+    if (m_featureMap.empty()) {
+      for (int i = 0; i < FeatureList.FeatureCount; i++) {
+        if (FeatureList.FeatureRecord[i].FeatureTag == tag[0] ||
+            FeatureList.FeatureRecord[i].FeatureTag == tag[1]) {
+          m_featureMap[i] = i;
+        }
+      }
+    }
+    m_bFeautureMapLoad = TRUE;
+  }
+  for (const auto& pair : m_featureMap) {
+    if (GetVerticalGlyphSub(glyphnum, vglyphnum,
+                            &FeatureList.FeatureRecord[pair.second].Feature)) {
+      return true;
+    }
+  }
+  return false;
+}
+bool CFX_CTTGSUBTable::GetVerticalGlyphSub(uint32_t glyphnum,
+                                           uint32_t* vglyphnum,
+                                           struct TFeature* Feature) {
+  for (int i = 0; i < Feature->LookupCount; i++) {
+    int index = Feature->LookupListIndex[i];
+    if (index < 0 || LookupList.LookupCount < index) {
+      continue;
+    }
+    if (LookupList.Lookup[index].LookupType == 1) {
+      if (GetVerticalGlyphSub2(glyphnum, vglyphnum,
+                               &LookupList.Lookup[index])) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+bool CFX_CTTGSUBTable::GetVerticalGlyphSub2(uint32_t glyphnum,
+                                            uint32_t* vglyphnum,
+                                            struct TLookup* Lookup) {
+  for (int i = 0; i < Lookup->SubTableCount; i++) {
+    switch (Lookup->SubTable[i]->SubstFormat) {
+      case 1: {
+        TSingleSubstFormat1* tbl1 = (TSingleSubstFormat1*)Lookup->SubTable[i];
+        if (GetCoverageIndex(tbl1->Coverage, glyphnum) >= 0) {
+          *vglyphnum = glyphnum + tbl1->DeltaGlyphID;
+          return true;
+        }
+        break;
+      }
+      case 2: {
+        TSingleSubstFormat2* tbl2 = (TSingleSubstFormat2*)Lookup->SubTable[i];
+        int index = -1;
+        index = GetCoverageIndex(tbl2->Coverage, glyphnum);
+        if (0 <= index && index < tbl2->GlyphCount) {
+          *vglyphnum = tbl2->Substitute[index];
+          return true;
+        }
+        break;
+      }
+    }
+  }
+  return false;
+}
+int CFX_CTTGSUBTable::GetCoverageIndex(struct TCoverageFormatBase* Coverage,
+                                       uint32_t g) {
+  int i = 0;
+  if (!Coverage) {
+    return -1;
+  }
+  switch (Coverage->CoverageFormat) {
+    case 1: {
+      TCoverageFormat1* c1 = (TCoverageFormat1*)Coverage;
+      for (i = 0; i < c1->GlyphCount; i++) {
+        if ((uint32_t)c1->GlyphArray[i] == g) {
+          return i;
+        }
+      }
+      return -1;
+    }
+    case 2: {
+      TCoverageFormat2* c2 = (TCoverageFormat2*)Coverage;
+      for (i = 0; i < c2->RangeCount; i++) {
+        uint32_t s = c2->RangeRecord[i].Start;
+        uint32_t e = c2->RangeRecord[i].End;
+        uint32_t si = c2->RangeRecord[i].StartCoverageIndex;
+        if (s <= g && g <= e) {
+          return si + g - s;
+        }
+      }
+      return -1;
+    }
+  }
+  return -1;
+}
+bool CFX_CTTGSUBTable::Parse(FT_Bytes scriptlist,
+                             FT_Bytes featurelist,
+                             FT_Bytes lookuplist) {
+  ParseScriptList(scriptlist, &ScriptList);
+  ParseFeatureList(featurelist, &FeatureList);
+  ParseLookupList(lookuplist, &LookupList);
+  return true;
+}
+void CFX_CTTGSUBTable::ParseScriptList(FT_Bytes raw, struct TScriptList* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  rec->ScriptCount = GetUInt16(sp);
+  if (rec->ScriptCount <= 0) {
+    return;
+  }
+  rec->ScriptRecord = new struct TScriptRecord[rec->ScriptCount];
+  for (i = 0; i < rec->ScriptCount; i++) {
+    rec->ScriptRecord[i].ScriptTag = GetUInt32(sp);
+    uint16_t offset = GetUInt16(sp);
+    ParseScript(&raw[offset], &rec->ScriptRecord[i].Script);
+  }
+}
+void CFX_CTTGSUBTable::ParseScript(FT_Bytes raw, struct TScript* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  rec->DefaultLangSys = GetUInt16(sp);
+  rec->LangSysCount = GetUInt16(sp);
+  if (rec->LangSysCount <= 0) {
+    return;
+  }
+  rec->LangSysRecord = new struct TLangSysRecord[rec->LangSysCount];
+  for (i = 0; i < rec->LangSysCount; i++) {
+    rec->LangSysRecord[i].LangSysTag = GetUInt32(sp);
+    uint16_t offset = GetUInt16(sp);
+    ParseLangSys(&raw[offset], &rec->LangSysRecord[i].LangSys);
+  }
+}
+void CFX_CTTGSUBTable::ParseLangSys(FT_Bytes raw, struct TLangSys* rec) {
+  FT_Bytes sp = raw;
+  rec->LookupOrder = GetUInt16(sp);
+  rec->ReqFeatureIndex = GetUInt16(sp);
+  rec->FeatureCount = GetUInt16(sp);
+  if (rec->FeatureCount <= 0) {
+    return;
+  }
+  rec->FeatureIndex = new uint16_t[rec->FeatureCount];
+  FXSYS_memset(rec->FeatureIndex, 0, sizeof(uint16_t) * rec->FeatureCount);
+  for (int i = 0; i < rec->FeatureCount; ++i) {
+    rec->FeatureIndex[i] = GetUInt16(sp);
+  }
+}
+void CFX_CTTGSUBTable::ParseFeatureList(FT_Bytes raw, TFeatureList* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  rec->FeatureCount = GetUInt16(sp);
+  if (rec->FeatureCount <= 0) {
+    return;
+  }
+  rec->FeatureRecord = new struct TFeatureRecord[rec->FeatureCount];
+  for (i = 0; i < rec->FeatureCount; i++) {
+    rec->FeatureRecord[i].FeatureTag = GetUInt32(sp);
+    uint16_t offset = GetUInt16(sp);
+    ParseFeature(&raw[offset], &rec->FeatureRecord[i].Feature);
+  }
+}
+void CFX_CTTGSUBTable::ParseFeature(FT_Bytes raw, TFeature* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  rec->FeatureParams = GetUInt16(sp);
+  rec->LookupCount = GetUInt16(sp);
+  if (rec->LookupCount <= 0) {
+    return;
+  }
+  rec->LookupListIndex = new uint16_t[rec->LookupCount];
+  for (i = 0; i < rec->LookupCount; i++) {
+    rec->LookupListIndex[i] = GetUInt16(sp);
+  }
+}
+void CFX_CTTGSUBTable::ParseLookupList(FT_Bytes raw, TLookupList* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  rec->LookupCount = GetUInt16(sp);
+  if (rec->LookupCount <= 0) {
+    return;
+  }
+  rec->Lookup = new struct TLookup[rec->LookupCount];
+  for (i = 0; i < rec->LookupCount; i++) {
+    uint16_t offset = GetUInt16(sp);
+    ParseLookup(&raw[offset], &rec->Lookup[i]);
+  }
+}
+void CFX_CTTGSUBTable::ParseLookup(FT_Bytes raw, TLookup* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  rec->LookupType = GetUInt16(sp);
+  rec->LookupFlag = GetUInt16(sp);
+  rec->SubTableCount = GetUInt16(sp);
+  if (rec->SubTableCount <= 0) {
+    return;
+  }
+  rec->SubTable = new struct TSubTableBase*[rec->SubTableCount];
+  for (i = 0; i < rec->SubTableCount; i++) {
+    rec->SubTable[i] = NULL;
+  }
+  if (rec->LookupType != 1) {
+    return;
+  }
+  for (i = 0; i < rec->SubTableCount; i++) {
+    uint16_t offset = GetUInt16(sp);
+    ParseSingleSubst(&raw[offset], &rec->SubTable[i]);
+  }
+}
+void CFX_CTTGSUBTable::ParseCoverage(FT_Bytes raw, TCoverageFormatBase** rec) {
+  FT_Bytes sp = raw;
+  uint16_t Format = GetUInt16(sp);
+  switch (Format) {
+    case 1:
+      *rec = new TCoverageFormat1();
+      ParseCoverageFormat1(raw, (TCoverageFormat1*)*rec);
+      break;
+    case 2:
+      *rec = new TCoverageFormat2();
+      ParseCoverageFormat2(raw, (TCoverageFormat2*)*rec);
+      break;
+  }
+}
+void CFX_CTTGSUBTable::ParseCoverageFormat1(FT_Bytes raw,
+                                            TCoverageFormat1* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  GetUInt16(sp);
+  rec->GlyphCount = GetUInt16(sp);
+  if (rec->GlyphCount <= 0) {
+    return;
+  }
+  rec->GlyphArray = new uint16_t[rec->GlyphCount];
+  for (i = 0; i < rec->GlyphCount; i++) {
+    rec->GlyphArray[i] = GetUInt16(sp);
+  }
+}
+void CFX_CTTGSUBTable::ParseCoverageFormat2(FT_Bytes raw,
+                                            TCoverageFormat2* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  GetUInt16(sp);
+  rec->RangeCount = GetUInt16(sp);
+  if (rec->RangeCount <= 0) {
+    return;
+  }
+  rec->RangeRecord = new TRangeRecord[rec->RangeCount];
+  for (i = 0; i < rec->RangeCount; i++) {
+    rec->RangeRecord[i].Start = GetUInt16(sp);
+    rec->RangeRecord[i].End = GetUInt16(sp);
+    rec->RangeRecord[i].StartCoverageIndex = GetUInt16(sp);
+  }
+}
+void CFX_CTTGSUBTable::ParseSingleSubst(FT_Bytes raw, TSubTableBase** rec) {
+  FT_Bytes sp = raw;
+  uint16_t Format = GetUInt16(sp);
+  switch (Format) {
+    case 1:
+      *rec = new TSingleSubstFormat1();
+      ParseSingleSubstFormat1(raw, (TSingleSubstFormat1*)*rec);
+      break;
+    case 2:
+      *rec = new TSingleSubstFormat2();
+      ParseSingleSubstFormat2(raw, (TSingleSubstFormat2*)*rec);
+      break;
+  }
+}
+void CFX_CTTGSUBTable::ParseSingleSubstFormat1(FT_Bytes raw,
+                                               TSingleSubstFormat1* rec) {
+  FT_Bytes sp = raw;
+  GetUInt16(sp);
+  uint16_t offset = GetUInt16(sp);
+  ParseCoverage(&raw[offset], &rec->Coverage);
+  rec->DeltaGlyphID = GetInt16(sp);
+}
+void CFX_CTTGSUBTable::ParseSingleSubstFormat2(FT_Bytes raw,
+                                               TSingleSubstFormat2* rec) {
+  int i;
+  FT_Bytes sp = raw;
+  GetUInt16(sp);
+  uint16_t offset = GetUInt16(sp);
+  ParseCoverage(&raw[offset], &rec->Coverage);
+  rec->GlyphCount = GetUInt16(sp);
+  if (rec->GlyphCount <= 0) {
+    return;
+  }
+  rec->Substitute = new uint16_t[rec->GlyphCount];
+  for (i = 0; i < rec->GlyphCount; i++) {
+    rec->Substitute[i] = GetUInt16(sp);
+  }
+}
+FX_BOOL CFX_GSUBTable::GetVerticalGlyph(FX_DWORD glyphnum,
+                                        FX_DWORD* vglyphnum) {
+  return m_GsubImp.GetVerticalGlyph(glyphnum, vglyphnum);
+}
+// static
+IFX_GSUBTable* IFX_GSUBTable::Create(CFX_Font* pFont) {
+  if (!pFont) {
+    return NULL;
+  }
+  if (!pFont->GetSubData()) {
+    unsigned long length = 0;
+    int error = FXFT_Load_Sfnt_Table(
+        pFont->GetFace(), FT_MAKE_TAG('G', 'S', 'U', 'B'), 0, NULL, &length);
+    if (!error) {
+      pFont->SetSubData(FX_Alloc(uint8_t, length));
+    }
+    if (!pFont->GetSubData()) {
+      return NULL;
+    }
+  }
+  int error =
+      FXFT_Load_Sfnt_Table(pFont->GetFace(), FT_MAKE_TAG('G', 'S', 'U', 'B'), 0,
+                           pFont->GetSubData(), NULL);
+  if (!error && pFont->GetSubData()) {
+    std::unique_ptr<CFX_GSUBTable> pGsubTable(new CFX_GSUBTable);
+    if (pGsubTable->m_GsubImp.LoadGSUBTable((FT_Bytes)pFont->GetSubData())) {
+      return pGsubTable.release();
+    }
+  }
+  return NULL;
+}
diff --git a/core/fpdfapi/fpdf_font/ttgsubtable.h b/core/fpdfapi/fpdf_font/ttgsubtable.h
new file mode 100644
index 0000000000..47ae5a1fa4
--- /dev/null
+++ b/core/fpdfapi/fpdf_font/ttgsubtable.h
@@ -0,0 +1,363 @@
+// 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
+
+#ifndef CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_
+#define CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_
+
+#include <stdint.h>
+
+#include <map>
+
+#include "core/include/fxcrt/fx_basic.h"
+#include "core/include/fxge/fx_font.h"
+#include "core/include/fxge/fx_freetype.h"
+
+class CFX_GlyphMap {
+ public:
+  CFX_GlyphMap();
+  ~CFX_GlyphMap();
+  void SetAt(int key, int value);
+  FX_BOOL Lookup(int key, int& value);
+
+ protected:
+  CFX_BinaryBuf m_Buffer;
+};
+class CFX_CTTGSUBTable {
+ public:
+  CFX_CTTGSUBTable(void) : m_bFeautureMapLoad(FALSE), loaded(false) {}
+  CFX_CTTGSUBTable(FT_Bytes gsub) : m_bFeautureMapLoad(FALSE), loaded(false) {
+    LoadGSUBTable(gsub);
+  }
+  virtual ~CFX_CTTGSUBTable() {}
+  bool IsOk(void) const { return loaded; }
+  bool LoadGSUBTable(FT_Bytes gsub);
+  bool GetVerticalGlyph(uint32_t glyphnum, uint32_t* vglyphnum);
+
+ private:
+  struct tt_gsub_header {
+    uint32_t Version;
+    uint16_t ScriptList;
+    uint16_t FeatureList;
+    uint16_t LookupList;
+  };
+  struct TLangSys {
+    uint16_t LookupOrder;
+    uint16_t ReqFeatureIndex;
+    uint16_t FeatureCount;
+    uint16_t* FeatureIndex;
+    TLangSys()
+        : LookupOrder(0),
+          ReqFeatureIndex(0),
+          FeatureCount(0),
+          FeatureIndex(NULL) {}
+    ~TLangSys() { delete[] FeatureIndex; }
+
+   private:
+    TLangSys(const TLangSys&);
+    TLangSys& operator=(const TLangSys&);
+  };
+  struct TLangSysRecord {
+    uint32_t LangSysTag;
+    struct TLangSys LangSys;
+    TLangSysRecord() : LangSysTag(0) {}
+
+   private:
+    TLangSysRecord(const TLangSysRecord&);
+    TLangSysRecord& operator=(const TLangSysRecord&);
+  };
+  struct TScript {
+    uint16_t DefaultLangSys;
+    uint16_t LangSysCount;
+    struct TLangSysRecord* LangSysRecord;
+    TScript() : DefaultLangSys(0), LangSysCount(0), LangSysRecord(NULL) {}
+    ~TScript() { delete[] LangSysRecord; }
+
+   private:
+    TScript(const TScript&);
+    TScript& operator=(const TScript&);
+  };
+  struct TScriptRecord {
+    uint32_t ScriptTag;
+    struct TScript Script;
+    TScriptRecord() : ScriptTag(0) {}
+
+   private:
+    TScriptRecord(const TScriptRecord&);
+    TScriptRecord& operator=(const TScriptRecord&);
+  };
+  struct TScriptList {
+    uint16_t ScriptCount;
+    struct TScriptRecord* ScriptRecord;
+    TScriptList() : ScriptCount(0), ScriptRecord(NULL) {}
+    ~TScriptList() { delete[] ScriptRecord; }
+
+   private:
+    TScriptList(const TScriptList&);
+    TScriptList& operator=(const TScriptList&);
+  };
+  struct TFeature {
+    uint16_t FeatureParams;
+    int LookupCount;
+    uint16_t* LookupListIndex;
+    TFeature() : FeatureParams(0), LookupCount(0), LookupListIndex(NULL) {}
+    ~TFeature() { delete[] LookupListIndex; }
+
+   private:
+    TFeature(const TFeature&);
+    TFeature& operator=(const TFeature&);
+  };
+  struct TFeatureRecord {
+    uint32_t FeatureTag;
+    struct TFeature Feature;
+    TFeatureRecord() : FeatureTag(0) {}
+
+   private:
+    TFeatureRecord(const TFeatureRecord&);
+    TFeatureRecord& operator=(const TFeatureRecord&);
+  };
+  struct TFeatureList {
+    int FeatureCount;
+    struct TFeatureRecord* FeatureRecord;
+    TFeatureList() : FeatureCount(0), FeatureRecord(NULL) {}
+    ~TFeatureList() { delete[] FeatureRecord; }
+
+   private:
+    TFeatureList(const TFeatureList&);
+    TFeatureList& operator=(const TFeatureList&);
+  };
+  enum TLookupFlag {
+    LOOKUPFLAG_RightToLeft = 0x0001,
+    LOOKUPFLAG_IgnoreBaseGlyphs = 0x0002,
+    LOOKUPFLAG_IgnoreLigatures = 0x0004,
+    LOOKUPFLAG_IgnoreMarks = 0x0008,
+    LOOKUPFLAG_Reserved = 0x00F0,
+    LOOKUPFLAG_MarkAttachmentType = 0xFF00,
+  };
+  struct TCoverageFormatBase {
+    uint16_t CoverageFormat;
+    CFX_GlyphMap m_glyphMap;
+    TCoverageFormatBase() : CoverageFormat(0) {}
+    virtual ~TCoverageFormatBase() {}
+
+   private:
+    TCoverageFormatBase(const TCoverageFormatBase&);
+    TCoverageFormatBase& operator=(const TCoverageFormatBase&);
+  };
+  struct TCoverageFormat1 : public TCoverageFormatBase {
+    uint16_t GlyphCount;
+    uint16_t* GlyphArray;
+    TCoverageFormat1() : GlyphCount(0), GlyphArray(NULL) { CoverageFormat = 1; }
+    ~TCoverageFormat1() override { delete[] GlyphArray; }
+
+   private:
+    TCoverageFormat1(const TCoverageFormat1&);
+    TCoverageFormat1& operator=(const TCoverageFormat1&);
+  };
+  struct TRangeRecord {
+    uint16_t Start;
+    uint16_t End;
+    uint16_t StartCoverageIndex;
+    TRangeRecord() : Start(0), End(0), StartCoverageIndex(0) {}
+    friend bool operator>(const TRangeRecord& r1, const TRangeRecord& r2) {
+      return r1.Start > r2.Start;
+    }
+
+   private:
+    TRangeRecord(const TRangeRecord&);
+  };
+  struct TCoverageFormat2 : public TCoverageFormatBase {
+    uint16_t RangeCount;
+    struct TRangeRecord* RangeRecord;
+    TCoverageFormat2() : RangeCount(0), RangeRecord(NULL) {
+      CoverageFormat = 2;
+    }
+    ~TCoverageFormat2() override { delete[] RangeRecord; }
+
+   private:
+    TCoverageFormat2(const TCoverageFormat2&);
+    TCoverageFormat2& operator=(const TCoverageFormat2&);
+  };
+  struct TClassDefFormatBase {
+    uint16_t ClassFormat;
+    TClassDefFormatBase() : ClassFormat(0) {}
+    virtual ~TClassDefFormatBase() {}
+
+   private:
+    TClassDefFormatBase(const TClassDefFormatBase&);
+    TClassDefFormatBase& operator=(const TClassDefFormatBase&);
+  };
+  struct TClassDefFormat1 : public TClassDefFormatBase {
+    uint16_t StartGlyph;
+    uint16_t GlyphCount;
+    uint16_t* ClassValueArray;
+    TClassDefFormat1() : StartGlyph(0), GlyphCount(0), ClassValueArray(NULL) {
+      ClassFormat = 1;
+    }
+    ~TClassDefFormat1() override { delete[] ClassValueArray; }
+
+   private:
+    TClassDefFormat1(const TClassDefFormat1&);
+    TClassDefFormat1& operator=(const TClassDefFormat1&);
+  };
+  struct TClassRangeRecord {
+    uint16_t Start;
+    uint16_t End;
+    uint16_t Class;
+    TClassRangeRecord() : Start(0), End(0), Class(0) {}
+
+   private:
+    TClassRangeRecord(const TClassRangeRecord&);
+    TClassRangeRecord& operator=(const TClassRangeRecord&);
+  };
+  struct TClassDefFormat2 : public TClassDefFormatBase {
+    uint16_t ClassRangeCount;
+    struct TClassRangeRecord* ClassRangeRecord;
+    TClassDefFormat2() : ClassRangeCount(0), ClassRangeRecord(NULL) {
+      ClassFormat = 2;
+    }
+    ~TClassDefFormat2() override { delete[] ClassRangeRecord; }
+
+   private:
+    TClassDefFormat2(const TClassDefFormat2&);
+    TClassDefFormat2& operator=(const TClassDefFormat2&);
+  };
+  struct TDevice {
+    uint16_t StartSize;
+    uint16_t EndSize;
+    uint16_t DeltaFormat;
+    TDevice() : StartSize(0), EndSize(0), DeltaFormat(0) {}
+
+   private:
+    TDevice(const TDevice&);
+    TDevice& operator=(const TDevice&);
+  };
+  struct TSubTableBase {
+    uint16_t SubstFormat;
+    TSubTableBase() : SubstFormat(0) {}
+    virtual ~TSubTableBase() {}
+
+   private:
+    TSubTableBase(const TSubTableBase&);
+    TSubTableBase& operator=(const TSubTableBase&);
+  };
+  struct TSingleSubstFormat1 : public TSubTableBase {
+    TCoverageFormatBase* Coverage;
+    int16_t DeltaGlyphID;
+    TSingleSubstFormat1() : Coverage(NULL), DeltaGlyphID(0) { SubstFormat = 1; }
+    ~TSingleSubstFormat1() override { delete Coverage; }
+
+   private:
+    TSingleSubstFormat1(const TSingleSubstFormat1&);
+    TSingleSubstFormat1& operator=(const TSingleSubstFormat1&);
+  };
+  struct TSingleSubstFormat2 : public TSubTableBase {
+    TCoverageFormatBase* Coverage;
+    uint16_t GlyphCount;
+    uint16_t* Substitute;
+    TSingleSubstFormat2() : Coverage(NULL), GlyphCount(0), Substitute(NULL) {
+      SubstFormat = 2;
+    }
+    ~TSingleSubstFormat2() override {
+      delete Coverage;
+      delete[] Substitute;
+    }
+
+   private:
+    TSingleSubstFormat2(const TSingleSubstFormat2&);
+    TSingleSubstFormat2& operator=(const TSingleSubstFormat2&);
+  };
+  struct TLookup {
+    uint16_t LookupType;
+    uint16_t LookupFlag;
+    uint16_t SubTableCount;
+    struct TSubTableBase** SubTable;
+    TLookup()
+        : LookupType(0), LookupFlag(0), SubTableCount(0), SubTable(NULL) {}
+    ~TLookup() {
+      if (SubTable) {
+        for (int i = 0; i < SubTableCount; ++i)
+          delete SubTable[i];
+        delete[] SubTable;
+      }
+    }
+
+   private:
+    TLookup(const TLookup&);
+    TLookup& operator=(const TLookup&);
+  };
+  struct TLookupList {
+    int LookupCount;
+    struct TLookup* Lookup;
+    TLookupList() : LookupCount(0), Lookup(NULL) {}
+    ~TLookupList() { delete[] Lookup; }
+
+   private:
+    TLookupList(const TLookupList&);
+    TLookupList& operator=(const TLookupList&);
+  };
+  bool Parse(FT_Bytes scriptlist, FT_Bytes featurelist, FT_Bytes lookuplist);
+  void ParseScriptList(FT_Bytes raw, TScriptList* rec);
+  void ParseScript(FT_Bytes raw, TScript* rec);
+  void ParseLangSys(FT_Bytes raw, TLangSys* rec);
+  void ParseFeatureList(FT_Bytes raw, TFeatureList* rec);
+  void ParseFeature(FT_Bytes raw, TFeature* rec);
+  void ParseLookupList(FT_Bytes raw, TLookupList* rec);
+  void ParseLookup(FT_Bytes raw, TLookup* rec);
+  void ParseCoverage(FT_Bytes raw, TCoverageFormatBase** rec);
+  void ParseCoverageFormat1(FT_Bytes raw, TCoverageFormat1* rec);
+  void ParseCoverageFormat2(FT_Bytes raw, TCoverageFormat2* rec);
+  void ParseSingleSubst(FT_Bytes raw, TSubTableBase** rec);
+  void ParseSingleSubstFormat1(FT_Bytes raw, TSingleSubstFormat1* rec);
+  void ParseSingleSubstFormat2(FT_Bytes raw, TSingleSubstFormat2* rec);
+  bool GetVerticalGlyphSub(uint32_t glyphnum,
+                           uint32_t* vglyphnum,
+                           struct TFeature* Feature);
+  bool GetVerticalGlyphSub2(uint32_t glyphnum,
+                            uint32_t* vglyphnum,
+                            struct TLookup* Lookup);
+  int GetCoverageIndex(struct TCoverageFormatBase* Coverage, uint32_t g);
+  uint8_t GetUInt8(FT_Bytes& p) const {
+    uint8_t ret = p[0];
+    p += 1;
+    return ret;
+  }
+  int16_t GetInt16(FT_Bytes& p) const {
+    uint16_t ret = p[0] << 8 | p[1];
+    p += 2;
+    return *(int16_t*)&ret;
+  }
+  uint16_t GetUInt16(FT_Bytes& p) const {
+    uint16_t ret = p[0] << 8 | p[1];
+    p += 2;
+    return ret;
+  }
+  int32_t GetInt32(FT_Bytes& p) const {
+    uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
+    p += 4;
+    return *(int32_t*)&ret;
+  }
+  uint32_t GetUInt32(FT_Bytes& p) const {
+    uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
+    p += 4;
+    return ret;
+  }
+  std::map<FX_DWORD, FX_DWORD> m_featureMap;
+  FX_BOOL m_bFeautureMapLoad;
+  bool loaded;
+  struct tt_gsub_header header;
+  struct TScriptList ScriptList;
+  struct TFeatureList FeatureList;
+  struct TLookupList LookupList;
+};
+class CFX_GSUBTable final : public IFX_GSUBTable {
+ public:
+  ~CFX_GSUBTable() override {}
+  FX_BOOL GetVerticalGlyph(FX_DWORD glyphnum, FX_DWORD* vglyphnum) override;
+
+  CFX_CTTGSUBTable m_GsubImp;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_