Replace IFGAS_Font with underlying concrete type

Review-Url: https://codereview.chromium.org/2037563002

10 files changed, 356 insertions, 400 deletions

diff --git a/xfa/fgas/font/fgas_font.h b/xfa/fgas/font/fgas_font.h
index 5d3a44092d..049c5a06ff 100644
--- a/xfa/fgas/font/fgas_font.h
+++ b/xfa/fgas/font/fgas_font.h
@@ -16,8 +16,8 @@
 #endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 
 class CFX_FontSourceEnum_File;
+class CFGAS_GEFont;
 class CXFA_PDFFontMgr;
-class IFGAS_Font;
 class IFGAS_FontMgr;
 
 #define FX_FONTSTYLE_Normal 0x00
@@ -29,71 +29,6 @@ class IFGAS_FontMgr;
 #define FX_FONTSTYLE_Bold 0x40000
 #define FX_FONTSTYLE_BoldItalic (FX_FONTSTYLE_Bold | FX_FONTSTYLE_Italic)
 #define FX_FONTSTYLE_ExactMatch 0x80000000
-#define FX_FONTDECORATION_Underline 0x00000001
-#define FX_FONTDECORATION_Strikeout 0x00000002
-#define FX_FONTDECORATION_Overline 0x00000004
-#define FX_FONTDECORATION_Emphasis 0x00000008
-#define FX_FONTDECORATION_Superscript 0x00000010
-#define FX_FONTDECORATION_Subscript 0x00000020
-#define FX_FONTDECORATION_SmallCapital 0x00000040
-#define FX_FONTDECORATION_Capital 0x00000080
-#define FX_FONTDECORATION_Lowercase 0x000000C0
-#define FX_FONTDECORATION_Raised 0x00000100
-#define FX_FONTDECORATION_Sunken 0x00000200
-#define FX_FONTDECORATION_Shadow 0x00000400
-#define FX_FONTDECORATION_BoundingShape 0x20000000
-#define FX_FONTDECORATION_Hide 0x40000000
-#define FX_FONTDECORATION_StrokeFill 0x80000000
-#define FX_BOUNDINGSHAPE_None 0
-#define FX_BOUNDINGSHAPE_Circle 1
-#define FX_BOUNDINGSHAPE_Square 2
-#define FX_BOUNDINGSHAPE_Triangle 3
-#define FX_BOUNDINGSHAPE_Diamond 4
-
-class IFGAS_Font {
- public:
-  static IFGAS_Font* LoadFont(const FX_WCHAR* pszFontFamily,
-                              uint32_t dwFontStyles,
-                              uint16_t wCodePage,
-                              IFGAS_FontMgr* pFontMgr);
-  static IFGAS_Font* LoadFont(const uint8_t* pBuffer,
-                              int32_t iLength,
-                              IFGAS_FontMgr* pFontMgr);
-  static IFGAS_Font* LoadFont(const FX_WCHAR* pszFileName,
-                              IFGAS_FontMgr* pFontMgr);
-  static IFGAS_Font* LoadFont(IFX_Stream* pFontStream,
-                              IFGAS_FontMgr* pFontMgr,
-                              FX_BOOL bSaveStream = FALSE);
-  static IFGAS_Font* LoadFont(CFX_Font* pExtFont,
-                              IFGAS_FontMgr* pFontMgr,
-                              FX_BOOL bTakeOver = FALSE);
-  virtual ~IFGAS_Font() {}
-  virtual void Release() = 0;
-  virtual IFGAS_Font* Retain() = 0;
-  virtual IFGAS_Font* Derive(uint32_t dwFontStyles, uint16_t wCodePage = 0) = 0;
-  virtual void GetFamilyName(CFX_WideString& wsFamily) const = 0;
-  virtual uint32_t GetFontStyles() const = 0;
-  virtual uint8_t GetCharSet() const = 0;
-  virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
-                               int32_t& iWidth,
-                               FX_BOOL bCharCode = FALSE) = 0;
-  virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode,
-                                FX_BOOL bCharCode = FALSE) = 0;
-  virtual int32_t GetAscent() const = 0;
-  virtual int32_t GetDescent() const = 0;
-  virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
-                              CFX_Rect& bbox,
-                              FX_BOOL bCharCode = FALSE) = 0;
-  virtual FX_BOOL GetBBox(CFX_Rect& bbox) = 0;
-  virtual int32_t GetItalicAngle() const = 0;
-  virtual void Reset() = 0;
-  virtual IFGAS_Font* GetSubstFont(int32_t iGlyphIndex) const = 0;
-  virtual CFX_Font* GetDevFont() const = 0;
-  virtual void SetFontProvider(CXFA_PDFFontMgr* pProvider) = 0;
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-  virtual void SetLogicalFontStyle(uint32_t dwLogFontStyle) = 0;
-#endif
-};
 
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 struct FX_FONTMATCHPARAMS {
@@ -150,37 +85,37 @@ class IFGAS_FontMgr {
   static IFGAS_FontMgr* Create(FX_LPEnumAllFonts pEnumerator);
   virtual ~IFGAS_FontMgr() {}
   virtual void Release() = 0;
-  virtual IFGAS_Font* GetDefFontByCodePage(
+  virtual CFGAS_GEFont* GetDefFontByCodePage(
       uint16_t wCodePage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetDefFontByCharset(
+  virtual CFGAS_GEFont* GetDefFontByCharset(
       uint8_t nCharset,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetDefFontByUnicode(
+  virtual CFGAS_GEFont* GetDefFontByUnicode(
       FX_WCHAR wUnicode,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetDefFontByLanguage(
+  virtual CFGAS_GEFont* GetDefFontByLanguage(
       uint16_t wLanguage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* LoadFont(const FX_WCHAR* pszFontFamily,
-                               uint32_t dwFontStyles,
-                               uint16_t wCodePage = 0xFFFF) = 0;
-  virtual IFGAS_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0;
-  virtual IFGAS_Font* LoadFont(const FX_WCHAR* pszFileName) = 0;
-  virtual IFGAS_Font* LoadFont(IFX_Stream* pFontStream,
-                               const FX_WCHAR* pszFontAlias = NULL,
-                               uint32_t dwFontStyles = 0,
-                               uint16_t wCodePage = 0,
-                               FX_BOOL bSaveStream = FALSE) = 0;
-  virtual IFGAS_Font* LoadFont(IFGAS_Font* pSrcFont,
-                               uint32_t dwFontStyles,
-                               uint16_t wCodePage = 0xFFFF) = 0;
+  virtual CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
+                                 uint32_t dwFontStyles,
+                                 uint16_t wCodePage = 0xFFFF) = 0;
+  virtual CFGAS_GEFont* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0;
+  virtual CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFileName) = 0;
+  virtual CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
+                                 const FX_WCHAR* pszFontAlias = NULL,
+                                 uint32_t dwFontStyles = 0,
+                                 uint16_t wCodePage = 0,
+                                 FX_BOOL bSaveStream = FALSE) = 0;
+  virtual CFGAS_GEFont* LoadFont(CFGAS_GEFont* pSrcFont,
+                                 uint32_t dwFontStyles,
+                                 uint16_t wCodePage = 0xFFFF) = 0;
   virtual void ClearFontCache() = 0;
-  virtual void RemoveFont(IFGAS_Font* pFont) = 0;
+  virtual void RemoveFont(CFGAS_GEFont* pFont) = 0;
 };
 
 #else   //  _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
@@ -190,57 +125,57 @@ class IFGAS_FontMgr {
   static IFGAS_FontMgr* Create(CFX_FontSourceEnum_File* pFontEnum);
   virtual ~IFGAS_FontMgr() {}
   virtual void Release() = 0;
-  virtual IFGAS_Font* GetDefFontByCodePage(
+  virtual CFGAS_GEFont* GetDefFontByCodePage(
       uint16_t wCodePage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetDefFontByCharset(
+  virtual CFGAS_GEFont* GetDefFontByCharset(
       uint8_t nCharset,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetDefFontByUnicode(
+  virtual CFGAS_GEFont* GetDefFontByUnicode(
       FX_WCHAR wUnicode,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetDefFontByLanguage(
+  virtual CFGAS_GEFont* GetDefFontByLanguage(
       uint16_t wLanguage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetFontByCodePage(
+  virtual CFGAS_GEFont* GetFontByCodePage(
       uint16_t wCodePage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  inline IFGAS_Font* LoadFont(const FX_WCHAR* pszFontFamily,
-                              uint32_t dwFontStyles,
-                              uint16_t wCodePage) {
+  inline CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
+                                uint32_t dwFontStyles,
+                                uint16_t wCodePage) {
     return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
   }
-  virtual IFGAS_Font* GetFontByCharset(
+  virtual CFGAS_GEFont* GetFontByCharset(
       uint8_t nCharset,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetFontByUnicode(
+  virtual CFGAS_GEFont* GetFontByUnicode(
       FX_WCHAR wUnicode,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* GetFontByLanguage(
+  virtual CFGAS_GEFont* GetFontByLanguage(
       uint16_t wLanguage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) = 0;
-  virtual IFGAS_Font* LoadFont(const uint8_t* pBuffer,
-                               int32_t iLength,
-                               int32_t iFaceIndex,
-                               int32_t* pFaceCount = NULL) = 0;
-  virtual IFGAS_Font* LoadFont(const FX_WCHAR* pszFileName,
-                               int32_t iFaceIndex,
-                               int32_t* pFaceCount = NULL) = 0;
-  virtual IFGAS_Font* LoadFont(IFX_Stream* pFontStream,
-                               int32_t iFaceIndex,
-                               int32_t* pFaceCount = NULL,
-                               FX_BOOL bSaveStream = FALSE) = 0;
+  virtual CFGAS_GEFont* LoadFont(const uint8_t* pBuffer,
+                                 int32_t iLength,
+                                 int32_t iFaceIndex,
+                                 int32_t* pFaceCount = NULL) = 0;
+  virtual CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFileName,
+                                 int32_t iFaceIndex,
+                                 int32_t* pFaceCount = NULL) = 0;
+  virtual CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
+                                 int32_t iFaceIndex,
+                                 int32_t* pFaceCount = NULL,
+                                 FX_BOOL bSaveStream = FALSE) = 0;
 
   virtual void ClearFontCache() = 0;
-  virtual void RemoveFont(IFGAS_Font* pFont) = 0;
+  virtual void RemoveFont(CFGAS_GEFont* pFont) = 0;
 };
 #endif  //  _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 
diff --git a/xfa/fgas/font/fgas_gefont.cpp b/xfa/fgas/font/fgas_gefont.cpp
index ae6465c13f..c26ad15c66 100644
--- a/xfa/fgas/font/fgas_gefont.cpp
+++ b/xfa/fgas/font/fgas_gefont.cpp
@@ -10,10 +10,11 @@
 #include "xfa/fgas/font/fgas_fontutils.h"
 #include "xfa/fxfa/include/xfa_fontmgr.h"
 
-IFGAS_Font* IFGAS_Font::LoadFont(const FX_WCHAR* pszFontFamily,
-                                 uint32_t dwFontStyles,
-                                 uint16_t wCodePage,
-                                 IFGAS_FontMgr* pFontMgr) {
+// static
+CFGAS_GEFont* CFGAS_GEFont::LoadFont(const FX_WCHAR* pszFontFamily,
+                                     uint32_t dwFontStyles,
+                                     uint16_t wCodePage,
+                                     IFGAS_FontMgr* pFontMgr) {
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
   if (NULL != pFontMgr) {
     return pFontMgr->GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
@@ -28,66 +29,54 @@ IFGAS_Font* IFGAS_Font::LoadFont(const FX_WCHAR* pszFontFamily,
   return pFont;
 #endif
 }
-IFGAS_Font* IFGAS_Font::LoadFont(const uint8_t* pBuffer,
-                                 int32_t iLength,
-                                 IFGAS_FontMgr* pFontMgr) {
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-  if (NULL != pFontMgr) {
-    return pFontMgr->LoadFont(pBuffer, iLength, 0, NULL);
-  }
-  return NULL;
-#else
+
+// static
+CFGAS_GEFont* CFGAS_GEFont::LoadFont(CFX_Font* pExtFont,
+                                     IFGAS_FontMgr* pFontMgr,
+                                     FX_BOOL bTakeOver) {
   CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
-  if (!pFont->LoadFont(pBuffer, iLength)) {
+  if (!pFont->LoadFont(pExtFont, bTakeOver)) {
     pFont->Release();
     return NULL;
   }
   return pFont;
-#endif
 }
-IFGAS_Font* IFGAS_Font::LoadFont(const FX_WCHAR* pszFileName,
-                                 IFGAS_FontMgr* pFontMgr) {
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-  if (NULL != pFontMgr) {
-    return pFontMgr->LoadFont(pszFileName, 0, NULL);
-  }
-  return NULL;
-#else
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+// static
+CFGAS_GEFont* CFGAS_GEFont::LoadFont(const uint8_t* pBuffer,
+                                     int32_t iLength,
+                                     IFGAS_FontMgr* pFontMgr) {
   CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
-  if (!pFont->LoadFont(pszFileName)) {
+  if (!pFont->LoadFont(pBuffer, iLength)) {
     pFont->Release();
-    return NULL;
+    return nullptr;
   }
   return pFont;
-#endif
 }
-IFGAS_Font* IFGAS_Font::LoadFont(IFX_Stream* pFontStream,
-                                 IFGAS_FontMgr* pFontMgr,
-                                 FX_BOOL bSaveStream) {
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-  if (NULL != pFontMgr) {
-    return pFontMgr->LoadFont(pFontStream, 0, NULL);
-  }
-  return NULL;
-#else
-  CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
-  if (!pFont->LoadFont(pFontStream, bSaveStream)) {
+
+// static
+CFGAS_GEFont* CFGAS_GEFont::LoadFont(const FX_WCHAR* pszFileName) {
+  CFGAS_GEFont* pFont = new CFGAS_GEFont(nullptr);
+  if (!pFont->LoadFontInternal(pszFileName)) {
     pFont->Release();
-    return NULL;
+    return nullptr;
   }
   return pFont;
-#endif
 }
-IFGAS_Font* IFGAS_Font::LoadFont(CFX_Font* pExtFont,
-                                 IFGAS_FontMgr* pFontMgr,
-                                 FX_BOOL bTakeOver) {
+
+// static
+CFGAS_GEFont* CFGAS_GEFont::LoadFont(IFX_Stream* pFontStream,
+                                     IFGAS_FontMgr* pFontMgr,
+                                     FX_BOOL bSaveStream) {
   CFGAS_GEFont* pFont = new CFGAS_GEFont(pFontMgr);
-  if (!pFont->LoadFont(pExtFont, bTakeOver)) {
+  if (!pFont->LoadFont(pFontStream, bSaveStream)) {
     pFont->Release();
-    return NULL;
+    return nullptr;
   }
   return pFont;
 }
+#endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 
 CFGAS_GEFont::CFGAS_GEFont(IFGAS_FontMgr* pFontMgr)
     :
@@ -171,10 +160,12 @@ void CFGAS_GEFont::Release() {
     delete this;
   }
 }
-IFGAS_Font* CFGAS_GEFont::Retain() {
+CFGAS_GEFont* CFGAS_GEFont::Retain() {
   ++m_iRefCount;
   return this;
 }
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 FX_BOOL CFGAS_GEFont::LoadFont(const FX_WCHAR* pszFontFamily,
                                uint32_t dwFontStyles,
                                uint16_t wCodePage) {
@@ -229,6 +220,7 @@ FX_BOOL CFGAS_GEFont::LoadFont(const FX_WCHAR* pszFontFamily,
   }
   return bRet;
 }
+
 FX_BOOL CFGAS_GEFont::LoadFont(const uint8_t* pBuffer, int32_t length) {
   if (m_pFont) {
     return FALSE;
@@ -241,7 +233,8 @@ FX_BOOL CFGAS_GEFont::LoadFont(const uint8_t* pBuffer, int32_t length) {
   m_wCharSet = 0xFFFF;
   return bRet;
 }
-FX_BOOL CFGAS_GEFont::LoadFont(const FX_WCHAR* pszFileName) {
+
+FX_BOOL CFGAS_GEFont::LoadFontInternal(const FX_WCHAR* pszFileName) {
   if (m_pFont || m_pStream || m_pFileRead) {
     return FALSE;
   }
@@ -262,6 +255,7 @@ FX_BOOL CFGAS_GEFont::LoadFont(const FX_WCHAR* pszFileName) {
   m_wCharSet = 0xFFFF;
   return bRet;
 }
+
 FX_BOOL CFGAS_GEFont::LoadFont(IFX_Stream* pFontStream, FX_BOOL bSaveStream) {
   if (m_pFont || m_pFileRead || !pFontStream || pFontStream->GetLength() < 1) {
     return FALSE;
@@ -281,6 +275,8 @@ FX_BOOL CFGAS_GEFont::LoadFont(IFX_Stream* pFontStream, FX_BOOL bSaveStream) {
   m_wCharSet = 0xFFFF;
   return bRet;
 }
+#endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+
 FX_BOOL CFGAS_GEFont::LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver) {
   if (m_pFont || !pExtFont) {
     return FALSE;
@@ -296,6 +292,7 @@ FX_BOOL CFGAS_GEFont::LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver) {
   m_wCharSet = 0xFFFF;
   return bRet;
 }
+
 FX_BOOL CFGAS_GEFont::InitFont() {
   if (!m_pFont)
     return FALSE;
@@ -313,7 +310,7 @@ FX_BOOL CFGAS_GEFont::InitFont() {
 
   return TRUE;
 }
-IFGAS_Font* CFGAS_GEFont::Derive(uint32_t dwFontStyles, uint16_t wCodePage) {
+CFGAS_GEFont* CFGAS_GEFont::Derive(uint32_t dwFontStyles, uint16_t wCodePage) {
   if (GetFontStyles() == dwFontStyles) {
     return Retain();
   }
@@ -366,27 +363,27 @@ uint32_t CFGAS_GEFont::GetFontStyles() const {
 FX_BOOL CFGAS_GEFont::GetCharWidth(FX_WCHAR wUnicode,
                                    int32_t& iWidth,
                                    FX_BOOL bCharCode) {
-  return GetCharWidth(wUnicode, iWidth, TRUE, bCharCode);
+  return GetCharWidthInternal(wUnicode, iWidth, TRUE, bCharCode);
 }
-FX_BOOL CFGAS_GEFont::GetCharWidth(FX_WCHAR wUnicode,
-                                   int32_t& iWidth,
-                                   FX_BOOL bRecursive,
-                                   FX_BOOL bCharCode) {
+FX_BOOL CFGAS_GEFont::GetCharWidthInternal(FX_WCHAR wUnicode,
+                                           int32_t& iWidth,
+                                           FX_BOOL bRecursive,
+                                           FX_BOOL bCharCode) {
   ASSERT(m_pCharWidthMap != NULL);
   iWidth = m_pCharWidthMap->GetAt(wUnicode, 0);
   if (iWidth < 1) {
     if (!m_pProvider ||
         !m_pProvider->GetCharWidth(this, wUnicode, iWidth, bCharCode)) {
-      IFGAS_Font* pFont = NULL;
+      CFGAS_GEFont* pFont = NULL;
       int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
       if (iGlyph != 0xFFFF && pFont != NULL) {
-        if (pFont == (IFGAS_Font*)this) {
+        if (pFont == this) {
           iWidth = m_pFont->GetGlyphWidth(iGlyph);
           if (iWidth < 0) {
             iWidth = -1;
           }
-        } else if (((CFGAS_GEFont*)pFont)
-                       ->GetCharWidth(wUnicode, iWidth, FALSE, bCharCode)) {
+        } else if (pFont->GetCharWidthInternal(wUnicode, iWidth, FALSE,
+                                               bCharCode)) {
           return TRUE;
         }
       } else {
@@ -402,20 +399,20 @@ FX_BOOL CFGAS_GEFont::GetCharWidth(FX_WCHAR wUnicode,
 FX_BOOL CFGAS_GEFont::GetCharBBox(FX_WCHAR wUnicode,
                                   CFX_Rect& bbox,
                                   FX_BOOL bCharCode) {
-  return GetCharBBox(wUnicode, bbox, TRUE, bCharCode);
+  return GetCharBBoxInternal(wUnicode, bbox, TRUE, bCharCode);
 }
-FX_BOOL CFGAS_GEFont::GetCharBBox(FX_WCHAR wUnicode,
-                                  CFX_Rect& bbox,
-                                  FX_BOOL bRecursive,
-                                  FX_BOOL bCharCode) {
+FX_BOOL CFGAS_GEFont::GetCharBBoxInternal(FX_WCHAR wUnicode,
+                                          CFX_Rect& bbox,
+                                          FX_BOOL bRecursive,
+                                          FX_BOOL bCharCode) {
   ASSERT(m_pRectArray != NULL);
   ASSERT(m_pBBoxMap != NULL);
   void* pRect = NULL;
   if (!m_pBBoxMap->Lookup((void*)(uintptr_t)wUnicode, pRect)) {
-    IFGAS_Font* pFont = NULL;
+    CFGAS_GEFont* pFont = NULL;
     int32_t iGlyph = GetGlyphIndex(wUnicode, TRUE, &pFont, bCharCode);
     if (iGlyph != 0xFFFF && pFont != NULL) {
-      if (pFont == (IFGAS_Font*)this) {
+      if (pFont == this) {
         FX_RECT rtBBox;
         if (m_pFont->GetGlyphBBox(iGlyph, rtBBox)) {
           CFX_Rect rt;
@@ -424,8 +421,7 @@ FX_BOOL CFGAS_GEFont::GetCharBBox(FX_WCHAR wUnicode,
           pRect = m_pRectArray->GetPtrAt(index);
           m_pBBoxMap->SetAt((void*)(uintptr_t)wUnicode, pRect);
         }
-      } else if (((CFGAS_GEFont*)pFont)
-                     ->GetCharBBox(wUnicode, bbox, FALSE, bCharCode)) {
+      } else if (pFont->GetCharBBoxInternal(wUnicode, bbox, FALSE, bCharCode)) {
         return TRUE;
       }
     }
@@ -458,13 +454,13 @@ int32_t CFGAS_GEFont::GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode) {
 }
 int32_t CFGAS_GEFont::GetGlyphIndex(FX_WCHAR wUnicode,
                                     FX_BOOL bRecursive,
-                                    IFGAS_Font** ppFont,
+                                    CFGAS_GEFont** ppFont,
                                     FX_BOOL bCharCode) {
   ASSERT(m_pFontEncoding != NULL);
   int32_t iGlyphIndex = m_pFontEncoding->GlyphFromCharCode(wUnicode);
   if (iGlyphIndex > 0) {
     if (ppFont != NULL) {
-      *ppFont = (IFGAS_Font*)this;
+      *ppFont = this;
     }
     return iGlyphIndex;
   }
@@ -477,10 +473,9 @@ int32_t CFGAS_GEFont::GetGlyphIndex(FX_WCHAR wUnicode,
     return 0xFFFF;
   }
   auto it = m_FontMapper.find(wUnicode);
-  IFGAS_Font* pFont = it != m_FontMapper.end() ? it->second : nullptr;
+  CFGAS_GEFont* pFont = it != m_FontMapper.end() ? it->second : nullptr;
   if (pFont && pFont != this) {
-    iGlyphIndex =
-        ((CFGAS_GEFont*)pFont)->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
+    iGlyphIndex = pFont->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
     if (iGlyphIndex != 0xFFFF) {
       int32_t i = m_SubstFonts.Find(pFont);
       if (i > -1) {
@@ -495,11 +490,11 @@ int32_t CFGAS_GEFont::GetGlyphIndex(FX_WCHAR wUnicode,
     CFX_WideString wsFamily;
     GetFamilyName(wsFamily);
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-    pFont = m_pFontMgr->GetDefFontByUnicode(wUnicode, GetFontStyles(),
-                                            wsFamily.c_str());
+    CFGAS_GEFont* pFont = m_pFontMgr->GetDefFontByUnicode(
+        wUnicode, GetFontStyles(), wsFamily.c_str());
 #else
-    pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(),
-                                         wsFamily.c_str());
+    CFGAS_GEFont* pFont = m_pFontMgr->GetFontByUnicode(
+        wUnicode, GetFontStyles(), wsFamily.c_str());
     if (!pFont)
       pFont = m_pFontMgr->GetFontByUnicode(wUnicode, GetFontStyles(), NULL);
 #endif
@@ -511,8 +506,7 @@ int32_t CFGAS_GEFont::GetGlyphIndex(FX_WCHAR wUnicode,
       m_FontMapper[wUnicode] = pFont;
       int32_t i = m_SubstFonts.GetSize();
       m_SubstFonts.Add(pFont);
-      iGlyphIndex = ((CFGAS_GEFont*)pFont)
-                        ->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
+      iGlyphIndex = pFont->GetGlyphIndex(wUnicode, FALSE, NULL, bCharCode);
       if (iGlyphIndex != 0xFFFF) {
         iGlyphIndex |= ((i + 1) << 24);
         if (ppFont)
@@ -530,11 +524,8 @@ int32_t CFGAS_GEFont::GetDescent() const {
   return m_pFont->GetDescent();
 }
 void CFGAS_GEFont::Reset() {
-  int32_t iCount = m_SubstFonts.GetSize();
-  for (int32_t i = 0; i < iCount; i++) {
-    IFGAS_Font* pFont = m_SubstFonts[i];
-    ((CFGAS_GEFont*)pFont)->Reset();
-  }
+  for (int32_t i = 0; i < m_SubstFonts.GetSize(); i++)
+    m_SubstFonts[i]->Reset();
   if (m_pCharWidthMap != NULL) {
     m_pCharWidthMap->RemoveAll();
   }
@@ -545,7 +536,7 @@ void CFGAS_GEFont::Reset() {
     m_pRectArray->RemoveAll();
   }
 }
-IFGAS_Font* CFGAS_GEFont::GetSubstFont(int32_t iGlyphIndex) const {
+CFGAS_GEFont* CFGAS_GEFont::GetSubstFont(int32_t iGlyphIndex) const {
   iGlyphIndex = ((uint32_t)iGlyphIndex) >> 24;
   return iGlyphIndex == 0 ? const_cast<CFGAS_GEFont*>(this)
                           : m_SubstFonts[iGlyphIndex - 1];
diff --git a/xfa/fgas/font/fgas_gefont.h b/xfa/fgas/font/fgas_gefont.h
index c818b6286d..877d292890 100644
--- a/xfa/fgas/font/fgas_gefont.h
+++ b/xfa/fgas/font/fgas_gefont.h
@@ -16,51 +16,82 @@
 
 class CXFA_PDFFontMgr;
 
-class CFGAS_GEFont : public IFGAS_Font {
+class CFGAS_GEFont {
  public:
-  CFGAS_GEFont(const CFGAS_GEFont& src, uint32_t dwFontStyles);
-  explicit CFGAS_GEFont(IFGAS_FontMgr* pFontMgr);
+  static CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
+                                uint32_t dwFontStyles,
+                                uint16_t wCodePage,
+                                IFGAS_FontMgr* pFontMgr);
+  static CFGAS_GEFont* LoadFont(CFX_Font* pExtFont,
+                                IFGAS_FontMgr* pFontMgr,
+                                FX_BOOL bTakeOver);
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+  static CFGAS_GEFont* LoadFont(const uint8_t* pBuffer,
+                                int32_t iLength,
+                                IFGAS_FontMgr* pFontMgr);
+  static CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFileName);
+  static CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
+                                IFGAS_FontMgr* pFontMgr,
+                                FX_BOOL bSaveStream);
+#endif
+
   ~CFGAS_GEFont();
 
-  // IFGAS_Font:
-  virtual void Release();
-  virtual IFGAS_Font* Retain();
+  void Release();
+  CFGAS_GEFont* Retain();
+  CFGAS_GEFont* Derive(uint32_t dwFontStyles, uint16_t wCodePage = 0);
+  void GetFamilyName(CFX_WideString& wsFamily) const;
+  uint32_t GetFontStyles() const;
+  uint8_t GetCharSet() const;
+  FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
+                       int32_t& iWidth,
+                       FX_BOOL bCharCode = FALSE);
+  int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE);
+  int32_t GetAscent() const;
+  int32_t GetDescent() const;
+  FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
+                      CFX_Rect& bbox,
+                      FX_BOOL bCharCode = FALSE);
+  FX_BOOL GetBBox(CFX_Rect& bbox);
+  int32_t GetItalicAngle() const;
+  void Reset();
+  CFGAS_GEFont* GetSubstFont(int32_t iGlyphIndex) const;
+  CFX_Font* GetDevFont() const { return m_pFont; }
+  void SetFontProvider(CXFA_PDFFontMgr* pProvider) { m_pProvider = pProvider; }
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+  void SetLogicalFontStyle(uint32_t dwLogFontStyle) {
+    m_bUseLogFontStyle = TRUE;
+    m_dwLogFontStyle = dwLogFontStyle;
+  }
+#endif
+
+ protected:
+  explicit CFGAS_GEFont(IFGAS_FontMgr* pFontMgr);
+  CFGAS_GEFont(const CFGAS_GEFont& src, uint32_t dwFontStyles);
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
   FX_BOOL LoadFont(const FX_WCHAR* pszFontFamily,
                    uint32_t dwFontStyles,
                    uint16_t wCodePage);
   FX_BOOL LoadFont(const uint8_t* pBuffer, int32_t length);
-  FX_BOOL LoadFont(const FX_WCHAR* pszFileName);
+  FX_BOOL LoadFontInternal(const FX_WCHAR* pszFileName);
   FX_BOOL LoadFont(IFX_Stream* pFontStream, FX_BOOL bSaveStream);
-  FX_BOOL LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver = FALSE);
-  virtual IFGAS_Font* Derive(uint32_t dwFontStyles, uint16_t wCodePage = 0);
-  virtual void GetFamilyName(CFX_WideString& wsFamily) const;
-  virtual uint32_t GetFontStyles() const;
-  virtual uint8_t GetCharSet() const;
-  virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
-                               int32_t& iWidth,
-                               FX_BOOL bCharCode = FALSE);
-  virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE);
-  virtual int32_t GetAscent() const;
-  virtual int32_t GetDescent() const;
-  virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
+#endif
+  FX_BOOL LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver);
+  FX_BOOL InitFont();
+  FX_BOOL GetCharBBoxInternal(FX_WCHAR wUnicode,
                               CFX_Rect& bbox,
+                              FX_BOOL bRecursive,
                               FX_BOOL bCharCode = FALSE);
-  virtual FX_BOOL GetBBox(CFX_Rect& bbox);
-  virtual int32_t GetItalicAngle() const;
-  virtual void Reset();
-  virtual IFGAS_Font* GetSubstFont(int32_t iGlyphIndex) const;
-  virtual CFX_Font* GetDevFont() const { return m_pFont; }
-  virtual void SetFontProvider(CXFA_PDFFontMgr* pProvider) {
-    m_pProvider = pProvider;
-  }
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-  virtual void SetLogicalFontStyle(uint32_t dwLogFontStyle) {
-    m_bUseLogFontStyle = TRUE;
-    m_dwLogFontStyle = dwLogFontStyle;
-  }
-#endif
+  FX_BOOL GetCharWidthInternal(FX_WCHAR wUnicode,
+                               int32_t& iWidth,
+                               FX_BOOL bRecursive,
+                               FX_BOOL bCharCode = FALSE);
+  int32_t GetGlyphIndex(FX_WCHAR wUnicode,
+                        FX_BOOL bRecursive,
+                        CFGAS_GEFont** ppFont,
+                        FX_BOOL bCharCode = FALSE);
 
- protected:
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
   FX_BOOL m_bUseLogFontStyle;
   uint32_t m_dwLogFontStyle;
@@ -77,21 +108,8 @@ class CFGAS_GEFont : public IFGAS_Font {
   CFX_MapPtrToPtr* m_pBBoxMap;
   CXFA_PDFFontMgr* m_pProvider;
   uint16_t m_wCharSet;
-  CFX_ArrayTemplate<IFGAS_Font*> m_SubstFonts;
-  std::map<FX_WCHAR, IFGAS_Font*> m_FontMapper;
-  FX_BOOL InitFont();
-  FX_BOOL GetCharBBox(FX_WCHAR wUnicode,
-                      CFX_Rect& bbox,
-                      FX_BOOL bRecursive,
-                      FX_BOOL bCharCode = FALSE);
-  FX_BOOL GetCharWidth(FX_WCHAR wUnicode,
-                       int32_t& iWidth,
-                       FX_BOOL bRecursive,
-                       FX_BOOL bCharCode = FALSE);
-  int32_t GetGlyphIndex(FX_WCHAR wUnicode,
-                        FX_BOOL bRecursive,
-                        IFGAS_Font** ppFont,
-                        FX_BOOL bCharCode = FALSE);
+  CFX_ArrayTemplate<CFGAS_GEFont*> m_SubstFonts;
+  std::map<FX_WCHAR, CFGAS_GEFont*> m_FontMapper;
 };
 
 #endif  // XFA_FGAS_FONT_FGAS_GEFONT_H_
diff --git a/xfa/fgas/font/fgas_stdfontmgr.cpp b/xfa/fgas/font/fgas_stdfontmgr.cpp
index 9ea37cf32b..17bd204889 100644
--- a/xfa/fgas/font/fgas_stdfontmgr.cpp
+++ b/xfa/fgas/font/fgas_stdfontmgr.cpp
@@ -1,4 +1,4 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
+// 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.
 
@@ -10,6 +10,7 @@
 #include "core/fxge/include/fx_ge.h"
 #include "xfa/fgas/crt/fgas_codepage.h"
 #include "xfa/fgas/font/fgas_fontutils.h"
+#include "xfa/fgas/font/fgas_gefont.h"
 
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 IFGAS_FontMgr* IFGAS_FontMgr::Create(FX_LPEnumAllFonts pEnumerator) {
@@ -43,12 +44,12 @@ CFGAS_StdFontMgrImp::~CFGAS_StdFontMgrImp() {
     m_Fonts[i]->Release();
 }
 
-IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByCodePage(
+CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByCodePage(
     uint16_t wCodePage,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
   uint32_t dwHash = FGAS_GetFontHashCode(wCodePage, dwFontStyles);
-  IFGAS_Font* pFont = NULL;
+  CFGAS_GEFont* pFont = NULL;
   if (m_CPFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont)) {
     return pFont ? LoadFont(pFont, dwFontStyles, wCodePage) : NULL;
   }
@@ -60,7 +61,8 @@ IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByCodePage(
     }
   }
   ASSERT(pFD);
-  pFont = IFGAS_Font::LoadFont(pFD->wsFontFace, dwFontStyles, wCodePage, this);
+  pFont =
+      CFGAS_GEFont::LoadFont(pFD->wsFontFace, dwFontStyles, wCodePage, this);
   if (pFont) {
     m_Fonts.Add(pFont);
     m_CPFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
@@ -70,7 +72,7 @@ IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByCodePage(
   }
   return NULL;
 }
-IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByCharset(
+CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByCharset(
     uint8_t nCharset,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
@@ -78,7 +80,7 @@ IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByCharset(
                               pszFontFamily);
 }
 
-IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByUnicode(
+CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByUnicode(
     FX_WCHAR wUnicode,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
@@ -88,7 +90,7 @@ IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByUnicode(
 
   uint32_t dwHash =
       FGAS_GetFontFamilyHash(pszFontFamily, dwFontStyles, pRet->wBitField);
-  IFGAS_Font* pFont = nullptr;
+  CFGAS_GEFont* pFont = nullptr;
   if (m_UnicodeFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont))
     return pFont ? LoadFont(pFont, dwFontStyles, pRet->wCodePage) : nullptr;
 
@@ -104,7 +106,7 @@ IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByUnicode(
 
   uint16_t wCodePage = FX_GetCodePageFromCharset(pFD->uCharSet);
   const FX_WCHAR* pFontFace = pFD->wsFontFace;
-  pFont = IFGAS_Font::LoadFont(pFontFace, dwFontStyles, wCodePage, this);
+  pFont = CFGAS_GEFont::LoadFont(pFontFace, dwFontStyles, wCodePage, this);
   if (pFont) {
     m_Fonts.Add(pFont);
     m_UnicodeFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
@@ -117,19 +119,19 @@ IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByUnicode(
   return nullptr;
 }
 
-IFGAS_Font* CFGAS_StdFontMgrImp::GetDefFontByLanguage(
+CFGAS_GEFont* CFGAS_StdFontMgrImp::GetDefFontByLanguage(
     uint16_t wLanguage,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
   return GetDefFontByCodePage(FX_GetDefCodePageByLanguage(wLanguage),
                               dwFontStyles, pszFontFamily);
 }
-IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFontFamily,
-                                          uint32_t dwFontStyles,
-                                          uint16_t wCodePage) {
+CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFontFamily,
+                                            uint32_t dwFontStyles,
+                                            uint16_t wCodePage) {
   uint32_t dwHash =
       FGAS_GetFontFamilyHash(pszFontFamily, dwFontStyles, wCodePage);
-  IFGAS_Font* pFont = NULL;
+  CFGAS_GEFont* pFont = NULL;
   if (m_FamilyFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont)) {
     return pFont ? LoadFont(pFont, dwFontStyles, wCodePage) : NULL;
   }
@@ -144,7 +146,8 @@ IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFontFamily,
   if (wCodePage == 0xFFFF) {
     wCodePage = FX_GetCodePageFromCharset(pFD->uCharSet);
   }
-  pFont = IFGAS_Font::LoadFont(pFD->wsFontFace, dwFontStyles, wCodePage, this);
+  pFont =
+      CFGAS_GEFont::LoadFont(pFD->wsFontFace, dwFontStyles, wCodePage, this);
   if (pFont) {
     m_Fonts.Add(pFont);
     m_FamilyFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
@@ -154,16 +157,16 @@ IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFontFamily,
   }
   return NULL;
 }
-IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(const uint8_t* pBuffer,
-                                          int32_t iLength) {
+CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(const uint8_t* pBuffer,
+                                            int32_t iLength) {
   ASSERT(pBuffer && iLength > 0);
-  IFGAS_Font* pFont = NULL;
+  CFGAS_GEFont* pFont = NULL;
   if (m_BufferFonts.Lookup((void*)pBuffer, (void*&)pFont)) {
     if (pFont) {
       return pFont->Retain();
     }
   }
-  pFont = IFGAS_Font::LoadFont(pBuffer, iLength, this);
+  pFont = CFGAS_GEFont::LoadFont(pBuffer, iLength, this);
   if (pFont) {
     m_Fonts.Add(pFont);
     m_BufferFonts.SetAt((void*)pBuffer, pFont);
@@ -171,16 +174,16 @@ IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(const uint8_t* pBuffer,
   }
   return NULL;
 }
-IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFileName) {
+CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFileName) {
   ASSERT(pszFileName);
   uint32_t dwHash = FX_HashCode_GetW(pszFileName, false);
-  IFGAS_Font* pFont = NULL;
+  CFGAS_GEFont* pFont = NULL;
   if (m_FileFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont)) {
     if (pFont) {
       return pFont->Retain();
     }
   }
-  pFont = IFGAS_Font::LoadFont(pszFileName, NULL);
+  pFont = CFGAS_GEFont::LoadFont(pszFileName);
   if (pFont) {
     m_Fonts.Add(pFont);
     m_FileFonts.SetAt((void*)(uintptr_t)dwHash, (void*)pFont);
@@ -188,13 +191,13 @@ IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(const FX_WCHAR* pszFileName) {
   }
   return NULL;
 }
-IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(IFX_Stream* pFontStream,
-                                          const FX_WCHAR* pszFontAlias,
-                                          uint32_t dwFontStyles,
-                                          uint16_t wCodePage,
-                                          FX_BOOL bSaveStream) {
+CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(IFX_Stream* pFontStream,
+                                            const FX_WCHAR* pszFontAlias,
+                                            uint32_t dwFontStyles,
+                                            uint16_t wCodePage,
+                                            FX_BOOL bSaveStream) {
   ASSERT(pFontStream && pFontStream->GetLength() > 0);
-  IFGAS_Font* pFont = NULL;
+  CFGAS_GEFont* pFont = NULL;
   if (m_StreamFonts.Lookup((void*)pFontStream, (void*&)pFont)) {
     if (pFont) {
       if (pszFontAlias) {
@@ -205,7 +208,7 @@ IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(IFX_Stream* pFontStream,
       return LoadFont(pFont, dwFontStyles, wCodePage);
     }
   }
-  pFont = IFGAS_Font::LoadFont(pFontStream, this, bSaveStream);
+  pFont = CFGAS_GEFont::LoadFont(pFontStream, this, bSaveStream);
   if (pFont) {
     m_Fonts.Add(pFont);
     m_StreamFonts.SetAt((void*)pFontStream, (void*)pFont);
@@ -218,9 +221,9 @@ IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(IFX_Stream* pFontStream,
   }
   return NULL;
 }
-IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(IFGAS_Font* pSrcFont,
-                                          uint32_t dwFontStyles,
-                                          uint16_t wCodePage) {
+CFGAS_GEFont* CFGAS_StdFontMgrImp::LoadFont(CFGAS_GEFont* pSrcFont,
+                                            uint32_t dwFontStyles,
+                                            uint16_t wCodePage) {
   ASSERT(pSrcFont);
   if (pSrcFont->GetFontStyles() == dwFontStyles) {
     return pSrcFont->Retain();
@@ -229,7 +232,7 @@ IFGAS_Font* CFGAS_StdFontMgrImp::LoadFont(IFGAS_Font* pSrcFont,
                      (void*)(uintptr_t)wCodePage};
   uint32_t dwHash = FX_HashCode_GetA(
       CFX_ByteStringC((uint8_t*)buffer, sizeof(buffer)), false);
-  IFGAS_Font* pFont = NULL;
+  CFGAS_GEFont* pFont = NULL;
   if (m_DeriveFonts.GetCount() > 0) {
     m_DeriveFonts.Lookup((void*)(uintptr_t)dwHash, (void*&)pFont);
     if (pFont) {
@@ -255,7 +258,7 @@ void CFGAS_StdFontMgrImp::ClearFontCache() {
 }
 
 void CFGAS_StdFontMgrImp::RemoveFont(CFX_MapPtrToPtr& fontMap,
-                                     IFGAS_Font* pFont) {
+                                     CFGAS_GEFont* pFont) {
   FX_POSITION pos = fontMap.GetStartPosition();
   void* pKey;
   void* pFind;
@@ -269,7 +272,7 @@ void CFGAS_StdFontMgrImp::RemoveFont(CFX_MapPtrToPtr& fontMap,
     break;
   }
 }
-void CFGAS_StdFontMgrImp::RemoveFont(IFGAS_Font* pFont) {
+void CFGAS_StdFontMgrImp::RemoveFont(CFGAS_GEFont* pFont) {
   RemoveFont(m_CPFonts, pFont);
   RemoveFont(m_FamilyFonts, pFont);
   RemoveFont(m_UnicodeFonts, pFont);
@@ -631,7 +634,7 @@ void CFGAS_FontMgrImp::Release() {
   pos = m_Hash2Fonts.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
-    CFX_ArrayTemplate<IFGAS_Font*>* pFonts;
+    CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts;
     m_Hash2Fonts.GetNextAssoc(pos, dwHash, pFonts);
     delete pFonts;
   }
@@ -648,7 +651,7 @@ void CFGAS_FontMgrImp::Release() {
   pos = m_FileAccess2IFXFont.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
-    IFGAS_Font* pFont;
+    CFGAS_GEFont* pFont;
     m_FileAccess2IFXFont.GetNextAssoc(pos, dwHash, pFont);
     if (NULL != pFont) {
       pFont->Release();
@@ -656,46 +659,47 @@ void CFGAS_FontMgrImp::Release() {
   }
   pos = m_IFXFont2FileRead.GetStartPosition();
   while (pos) {
-    IFGAS_Font* pFont;
+    CFGAS_GEFont* pFont;
     IFX_FileRead* pFileRead;
     m_IFXFont2FileRead.GetNextAssoc(pos, pFont, pFileRead);
     pFileRead->Release();
   }
   delete this;
 }
-IFGAS_Font* CFGAS_FontMgrImp::GetDefFontByCodePage(
+CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByCodePage(
     uint16_t wCodePage,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
   return nullptr;
 }
-IFGAS_Font* CFGAS_FontMgrImp::GetDefFontByCharset(
+CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByCharset(
     uint8_t nCharset,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
   return nullptr;
 }
-IFGAS_Font* CFGAS_FontMgrImp::GetDefFontByUnicode(
+CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByUnicode(
     FX_WCHAR wUnicode,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
   return nullptr;
 }
-IFGAS_Font* CFGAS_FontMgrImp::GetDefFontByLanguage(
+CFGAS_GEFont* CFGAS_FontMgrImp::GetDefFontByLanguage(
     uint16_t wLanguage,
     uint32_t dwFontStyles,
     const FX_WCHAR* pszFontFamily) {
   return nullptr;
 }
 
-IFGAS_Font* CFGAS_FontMgrImp::GetFontByCodePage(uint16_t wCodePage,
-                                                uint32_t dwFontStyles,
-                                                const FX_WCHAR* pszFontFamily) {
+CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByCodePage(
+    uint16_t wCodePage,
+    uint32_t dwFontStyles,
+    const FX_WCHAR* pszFontFamily) {
   CFX_ByteString bsHash;
   bsHash.Format("%d, %d", wCodePage, dwFontStyles);
   bsHash += CFX_WideString(pszFontFamily).UTF8Encode();
   uint32_t dwHash = FX_HashCode_GetA(bsHash.AsStringC(), false);
-  CFX_ArrayTemplate<IFGAS_Font*>* pFonts = nullptr;
+  CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts = nullptr;
   if (m_Hash2Fonts.Lookup(dwHash, pFonts)) {
     if (!pFonts)
       return nullptr;
@@ -705,7 +709,7 @@ IFGAS_Font* CFGAS_FontMgrImp::GetFontByCodePage(uint16_t wCodePage,
   }
 
   if (!pFonts)
-    pFonts = new CFX_ArrayTemplate<IFGAS_Font*>;
+    pFonts = new CFX_ArrayTemplate<CFGAS_GEFont*>;
 
   m_Hash2Fonts.SetAt(dwHash, pFonts);
   CFX_FontDescriptorInfos* sortedFonts = nullptr;
@@ -719,7 +723,7 @@ IFGAS_Font* CFGAS_FontMgrImp::GetFontByCodePage(uint16_t wCodePage,
     return nullptr;
 
   CFX_FontDescriptor* pDesc = sortedFonts->GetAt(0).pFont;
-  IFGAS_Font* pFont =
+  CFGAS_GEFont* pFont =
       pDesc->m_pFileAccess
           ? LoadFont(pDesc->m_pFileAccess, pDesc->m_nFaceIndex, nullptr)
           : LoadFont(pDesc->m_wsFaceName, pDesc->m_nFaceIndex, nullptr);
@@ -729,16 +733,18 @@ IFGAS_Font* CFGAS_FontMgrImp::GetFontByCodePage(uint16_t wCodePage,
   pFonts->Add(pFont);
   return pFont;
 }
-IFGAS_Font* CFGAS_FontMgrImp::GetFontByCharset(uint8_t nCharset,
-                                               uint32_t dwFontStyles,
-                                               const FX_WCHAR* pszFontFamily) {
+CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByCharset(
+    uint8_t nCharset,
+    uint32_t dwFontStyles,
+    const FX_WCHAR* pszFontFamily) {
   return GetFontByCodePage(FX_GetCodePageFromCharset(nCharset), dwFontStyles,
                            pszFontFamily);
 }
-IFGAS_Font* CFGAS_FontMgrImp::GetFontByUnicode(FX_WCHAR wUnicode,
-                                               uint32_t dwFontStyles,
-                                               const FX_WCHAR* pszFontFamily) {
-  IFGAS_Font* pFont = nullptr;
+CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByUnicode(
+    FX_WCHAR wUnicode,
+    uint32_t dwFontStyles,
+    const FX_WCHAR* pszFontFamily) {
+  CFGAS_GEFont* pFont = nullptr;
   if (m_FailedUnicodes2NULL.Lookup(wUnicode, pFont))
     return nullptr;
   const FGAS_FONTUSB* x = FGAS_GetUnicodeBitField(wUnicode);
@@ -751,7 +757,7 @@ IFGAS_Font* CFGAS_FontMgrImp::GetFontByUnicode(FX_WCHAR wUnicode,
     bsHash.Format("%d, %d", wCodePage, dwFontStyles);
   bsHash += CFX_WideString(pszFontFamily).UTF8Encode();
   uint32_t dwHash = FX_HashCode_GetA(bsHash.AsStringC(), false);
-  CFX_ArrayTemplate<IFGAS_Font*>* pFonts = nullptr;
+  CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts = nullptr;
   if (m_Hash2Fonts.Lookup(dwHash, pFonts)) {
     if (!pFonts)
       return nullptr;
@@ -761,7 +767,7 @@ IFGAS_Font* CFGAS_FontMgrImp::GetFontByUnicode(FX_WCHAR wUnicode,
     }
   }
   if (!pFonts)
-    pFonts = new CFX_ArrayTemplate<IFGAS_Font*>;
+    pFonts = new CFX_ArrayTemplate<CFGAS_GEFont*>;
   m_Hash2Fonts.SetAt(dwHash, pFonts);
   CFX_FontDescriptorInfos* sortedFonts = nullptr;
   if (!m_Hash2CandidateList.Lookup(dwHash, sortedFonts)) {
@@ -809,7 +815,8 @@ FX_BOOL CFGAS_FontMgrImp::VerifyUnicode(CFX_FontDescriptor* pDesc,
   return !retCharmap && retIndex;
 }
 
-FX_BOOL CFGAS_FontMgrImp::VerifyUnicode(IFGAS_Font* pFont, FX_WCHAR wcUnicode) {
+FX_BOOL CFGAS_FontMgrImp::VerifyUnicode(CFGAS_GEFont* pFont,
+                                        FX_WCHAR wcUnicode) {
   if (!pFont)
     return FALSE;
 
@@ -825,17 +832,18 @@ FX_BOOL CFGAS_FontMgrImp::VerifyUnicode(IFGAS_Font* pFont, FX_WCHAR wcUnicode) {
   return TRUE;
 }
 
-IFGAS_Font* CFGAS_FontMgrImp::GetFontByLanguage(uint16_t wLanguage,
-                                                uint32_t dwFontStyles,
-                                                const FX_WCHAR* pszFontFamily) {
+CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByLanguage(
+    uint16_t wLanguage,
+    uint32_t dwFontStyles,
+    const FX_WCHAR* pszFontFamily) {
   return GetFontByCodePage(FX_GetDefCodePageByLanguage(wLanguage), dwFontStyles,
                            pszFontFamily);
 }
 
-IFGAS_Font* CFGAS_FontMgrImp::LoadFont(const uint8_t* pBuffer,
-                                       int32_t iLength,
-                                       int32_t iFaceIndex,
-                                       int32_t* pFaceCount) {
+CFGAS_GEFont* CFGAS_FontMgrImp::LoadFont(const uint8_t* pBuffer,
+                                         int32_t iLength,
+                                         int32_t iFaceIndex,
+                                         int32_t* pFaceCount) {
   void* Hash[2] = {(void*)(uintptr_t)pBuffer, (void*)(uintptr_t)iLength};
   uint32_t dwHash =
       FX_HashCode_GetA(CFX_ByteStringC((uint8_t*)Hash, sizeof(Hash)), false);
@@ -845,9 +853,9 @@ IFGAS_Font* CFGAS_FontMgrImp::LoadFont(const uint8_t* pBuffer,
                      : nullptr;
 }
 
-IFGAS_Font* CFGAS_FontMgrImp::LoadFont(const FX_WCHAR* pszFileName,
-                                       int32_t iFaceIndex,
-                                       int32_t* pFaceCount) {
+CFGAS_GEFont* CFGAS_FontMgrImp::LoadFont(const FX_WCHAR* pszFileName,
+                                         int32_t iFaceIndex,
+                                         int32_t* pFaceCount) {
   CFX_ByteString bsHash;
   bsHash += CFX_WideString(pszFileName).UTF8Encode();
 
@@ -862,10 +870,10 @@ IFGAS_Font* CFGAS_FontMgrImp::LoadFont(const FX_WCHAR* pszFileName,
                      : nullptr;
 }
 
-IFGAS_Font* CFGAS_FontMgrImp::LoadFont(IFX_Stream* pFontStream,
-                                       int32_t iFaceIndex,
-                                       int32_t* pFaceCount,
-                                       FX_BOOL bSaveStream) {
+CFGAS_GEFont* CFGAS_FontMgrImp::LoadFont(IFX_Stream* pFontStream,
+                                         int32_t iFaceIndex,
+                                         int32_t* pFaceCount,
+                                         FX_BOOL bSaveStream) {
   void* Hash[1] = {(void*)(uintptr_t)pFontStream};
   uint32_t dwHash =
       FX_HashCode_GetA(CFX_ByteStringC((uint8_t*)Hash, sizeof(Hash)), false);
@@ -876,12 +884,12 @@ IFGAS_Font* CFGAS_FontMgrImp::LoadFont(IFX_Stream* pFontStream,
                      : nullptr;
 }
 
-IFGAS_Font* CFGAS_FontMgrImp::LoadFont(IFX_FileAccess* pFontAccess,
-                                       int32_t iFaceIndex,
-                                       int32_t* pFaceCount,
-                                       FX_BOOL bWantCache) {
+CFGAS_GEFont* CFGAS_FontMgrImp::LoadFont(IFX_FileAccess* pFontAccess,
+                                         int32_t iFaceIndex,
+                                         int32_t* pFaceCount,
+                                         FX_BOOL bWantCache) {
   uint32_t dwHash = 0;
-  IFGAS_Font* pFont = nullptr;
+  CFGAS_GEFont* pFont = nullptr;
   if (bWantCache) {
     CFX_ByteString bsHash;
     bsHash.Format("%d, %d", (uintptr_t)pFontAccess, iFaceIndex);
@@ -907,7 +915,7 @@ IFGAS_Font* CFGAS_FontMgrImp::LoadFont(IFX_FileAccess* pFontAccess,
     pFontStream->Release();
     return nullptr;
   }
-  pFont = IFGAS_Font::LoadFont(pInternalFont, this, TRUE);
+  pFont = CFGAS_GEFont::LoadFont(pInternalFont, this, TRUE);
   if (!pFont) {
     delete pInternalFont;
     pFontStream->Release();
@@ -923,9 +931,9 @@ IFGAS_Font* CFGAS_FontMgrImp::LoadFont(IFX_FileAccess* pFontAccess,
   return pFont;
 }
 
-IFGAS_Font* CFGAS_FontMgrImp::LoadFont(const CFX_WideString& wsFaceName,
-                                       int32_t iFaceIndex,
-                                       int32_t* pFaceCount) {
+CFGAS_GEFont* CFGAS_FontMgrImp::LoadFont(const CFX_WideString& wsFaceName,
+                                         int32_t iFaceIndex,
+                                         int32_t* pFaceCount) {
   CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
   CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
   if (!pFontMapper)
@@ -950,7 +958,7 @@ IFGAS_Font* CFGAS_FontMgrImp::LoadFont(const CFX_WideString& wsFaceName,
     return nullptr;
   }
 
-  IFGAS_Font* pFont = IFGAS_Font::LoadFont(pInternalFont, this, FALSE);
+  CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(pInternalFont, this, FALSE);
   if (!pFont) {
     pFontStream->Release();
     return nullptr;
@@ -1214,7 +1222,7 @@ void CFGAS_FontMgrImp::ClearFontCache() {
   pos = m_FileAccess2IFXFont.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
-    IFGAS_Font* pFont;
+    CFGAS_GEFont* pFont;
     m_FileAccess2IFXFont.GetNextAssoc(pos, dwHash, pFont);
     if (NULL != pFont) {
       pFont->Release();
@@ -1222,13 +1230,13 @@ void CFGAS_FontMgrImp::ClearFontCache() {
   }
   pos = m_IFXFont2FileRead.GetStartPosition();
   while (pos) {
-    IFGAS_Font* pFont;
+    CFGAS_GEFont* pFont;
     IFX_FileRead* pFileRead;
     m_IFXFont2FileRead.GetNextAssoc(pos, pFont, pFileRead);
     pFileRead->Release();
   }
 }
-void CFGAS_FontMgrImp::RemoveFont(IFGAS_Font* pEFont) {
+void CFGAS_FontMgrImp::RemoveFont(CFGAS_GEFont* pEFont) {
   if (NULL == pEFont) {
     return;
   }
@@ -1241,7 +1249,7 @@ void CFGAS_FontMgrImp::RemoveFont(IFGAS_Font* pEFont) {
   pos = m_FileAccess2IFXFont.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
-    IFGAS_Font* pCFont;
+    CFGAS_GEFont* pCFont;
     m_FileAccess2IFXFont.GetNextAssoc(pos, dwHash, pCFont);
     if (pCFont == pEFont) {
       m_FileAccess2IFXFont.RemoveKey(dwHash);
@@ -1251,7 +1259,7 @@ void CFGAS_FontMgrImp::RemoveFont(IFGAS_Font* pEFont) {
   pos = m_Hash2Fonts.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
-    CFX_ArrayTemplate<IFGAS_Font*>* pFonts;
+    CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts;
     m_Hash2Fonts.GetNextAssoc(pos, dwHash, pFonts);
     if (NULL != pFonts) {
       for (int32_t i = 0; i < pFonts->GetSize(); i++) {
diff --git a/xfa/fgas/font/fgas_stdfontmgr.h b/xfa/fgas/font/fgas_stdfontmgr.h
index 2aea2078aa..cbc10584ec 100644
--- a/xfa/fgas/font/fgas_stdfontmgr.h
+++ b/xfa/fgas/font/fgas_stdfontmgr.h
@@ -25,52 +25,52 @@ class CFGAS_StdFontMgrImp : public IFGAS_FontMgr {
 
   // IFGAS_FontMgr:
   void Release() override { delete this; }
-  IFGAS_Font* GetDefFontByCodePage(
+  CFGAS_GEFont* GetDefFontByCodePage(
       uint16_t wCodePage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetDefFontByCharset(
+  CFGAS_GEFont* GetDefFontByCharset(
       uint8_t nCharset,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetDefFontByUnicode(
+  CFGAS_GEFont* GetDefFontByUnicode(
       FX_WCHAR wUnicode,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetDefFontByLanguage(
+  CFGAS_GEFont* GetDefFontByLanguage(
       uint16_t wLanguage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* LoadFont(const FX_WCHAR* pszFontFamily,
-                       uint32_t dwFontStyles,
-                       uint16_t wCodePage = 0xFFFF) override;
-  IFGAS_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength) override;
-  IFGAS_Font* LoadFont(const FX_WCHAR* pszFileName) override;
-  IFGAS_Font* LoadFont(IFX_Stream* pFontStream,
-                       const FX_WCHAR* pszFontAlias = NULL,
-                       uint32_t dwFontStyles = 0,
-                       uint16_t wCodePage = 0,
-                       FX_BOOL bSaveStream = FALSE) override;
-  IFGAS_Font* LoadFont(IFGAS_Font* pSrcFont,
-                       uint32_t dwFontStyles,
-                       uint16_t wCodePage = 0xFFFF) override;
+  CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
+                         uint32_t dwFontStyles,
+                         uint16_t wCodePage = 0xFFFF) override;
+  CFGAS_GEFont* LoadFont(const uint8_t* pBuffer, int32_t iLength) override;
+  CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFileName) override;
+  CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
+                         const FX_WCHAR* pszFontAlias = NULL,
+                         uint32_t dwFontStyles = 0,
+                         uint16_t wCodePage = 0,
+                         FX_BOOL bSaveStream = FALSE) override;
+  CFGAS_GEFont* LoadFont(CFGAS_GEFont* pSrcFont,
+                         uint32_t dwFontStyles,
+                         uint16_t wCodePage = 0xFFFF) override;
 
   void ClearFontCache() override;
-  void RemoveFont(IFGAS_Font* pFont) override;
+  void RemoveFont(CFGAS_GEFont* pFont) override;
 
  protected:
-  void RemoveFont(CFX_MapPtrToPtr& fontMap, IFGAS_Font* pFont);
+  void RemoveFont(CFX_MapPtrToPtr& fontMap, CFGAS_GEFont* pFont);
   FX_FONTDESCRIPTOR const* FindFont(const FX_WCHAR* pszFontFamily,
                                     uint32_t dwFontStyles,
                                     uint32_t dwMatchFlags,
                                     uint16_t wCodePage,
                                     uint32_t dwUSB = 999,
                                     FX_WCHAR wUnicode = 0);
-  IFGAS_Font* GetFont(FX_FONTDESCRIPTOR const* pFD, uint32_t dwFontStyles);
+  CFGAS_GEFont* GetFont(FX_FONTDESCRIPTOR const* pFD, uint32_t dwFontStyles);
 
   FX_LPEnumAllFonts m_pEnumerator;
   CFX_FontDescriptors m_FontFaces;
-  CFX_ArrayTemplate<IFGAS_Font*> m_Fonts;
+  CFX_ArrayTemplate<CFGAS_GEFont*> m_Fonts;
   CFX_MapPtrToPtr m_CPFonts;
   CFX_MapPtrToPtr m_FamilyFonts;
   CFX_MapPtrToPtr m_UnicodeFonts;
@@ -155,51 +155,53 @@ class CFGAS_FontMgrImp : public IFGAS_FontMgr {
 
   // IFGAS_FontMgr:
   void Release() override;
-  IFGAS_Font* GetDefFontByCodePage(
+  CFGAS_GEFont* GetDefFontByCodePage(
       uint16_t wCodePage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetDefFontByCharset(
+  CFGAS_GEFont* GetDefFontByCharset(
       uint8_t nCharset,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetDefFontByUnicode(
+  CFGAS_GEFont* GetDefFontByUnicode(
       FX_WCHAR wUnicode,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetDefFontByLanguage(
+  CFGAS_GEFont* GetDefFontByLanguage(
       uint16_t wLanguage,
       uint32_t dwFontStyles,
       const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByCodePage(uint16_t wCodePage,
-                                uint32_t dwFontStyles,
-                                const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByCharset(uint8_t nCharset,
-                               uint32_t dwFontStyles,
-                               const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByUnicode(FX_WCHAR wUnicode,
-                               uint32_t dwFontStyles,
-                               const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByLanguage(uint16_t wLanguage,
-                                uint32_t dwFontStyles,
-                                const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* LoadFont(const uint8_t* pBuffer,
-                       int32_t iLength,
-                       int32_t iFaceIndex,
-                       int32_t* pFaceCount) override;
-  IFGAS_Font* LoadFont(const FX_WCHAR* pszFileName,
-                       int32_t iFaceIndex,
-                       int32_t* pFaceCount) override;
-  IFGAS_Font* LoadFont(IFX_Stream* pFontStream,
-                       int32_t iFaceIndex,
-                       int32_t* pFaceCount,
-                       FX_BOOL bSaveStream = FALSE) override;
+  CFGAS_GEFont* GetFontByCodePage(
+      uint16_t wCodePage,
+      uint32_t dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) override;
+  CFGAS_GEFont* GetFontByCharset(uint8_t nCharset,
+                                 uint32_t dwFontStyles,
+                                 const FX_WCHAR* pszFontFamily = NULL) override;
+  CFGAS_GEFont* GetFontByUnicode(FX_WCHAR wUnicode,
+                                 uint32_t dwFontStyles,
+                                 const FX_WCHAR* pszFontFamily = NULL) override;
+  CFGAS_GEFont* GetFontByLanguage(
+      uint16_t wLanguage,
+      uint32_t dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) override;
+  CFGAS_GEFont* LoadFont(const uint8_t* pBuffer,
+                         int32_t iLength,
+                         int32_t iFaceIndex,
+                         int32_t* pFaceCount) override;
+  CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFileName,
+                         int32_t iFaceIndex,
+                         int32_t* pFaceCount) override;
+  CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
+                         int32_t iFaceIndex,
+                         int32_t* pFaceCount,
+                         FX_BOOL bSaveStream = FALSE) override;
   void ClearFontCache() override;
-  void RemoveFont(IFGAS_Font* pFont) override;
+  void RemoveFont(CFGAS_GEFont* pFont) override;
 
-  IFGAS_Font* LoadFont(const CFX_WideString& wsFaceName,
-                       int32_t iFaceIndex,
-                       int32_t* pFaceCount);
+  CFGAS_GEFont* LoadFont(const CFX_WideString& wsFaceName,
+                         int32_t iFaceIndex,
+                         int32_t* pFaceCount);
   FX_BOOL EnumFonts();
   FX_BOOL EnumFontsFromFontMapper();
   FX_BOOL EnumFontsFromFiles();
@@ -217,7 +219,7 @@ class CFGAS_FontMgrImp : public IFGAS_FontMgr {
   uint32_t GetFlags(FXFT_Face pFace);
   CFX_FontDescriptors m_InstalledFonts;
   FX_BOOL VerifyUnicode(CFX_FontDescriptor* pDesc, FX_WCHAR wcUnicode);
-  FX_BOOL VerifyUnicode(IFGAS_Font* pFont, FX_WCHAR wcUnicode);
+  FX_BOOL VerifyUnicode(CFGAS_GEFont* pFont, FX_WCHAR wcUnicode);
   int32_t IsPartName(const CFX_WideString& Name1, const CFX_WideString& Name2);
   int32_t MatchFonts(CFX_FontDescriptorInfos& MatchedFonts,
                      uint16_t wCodePage,
@@ -229,10 +231,10 @@ class CFGAS_FontMgrImp : public IFGAS_FontMgr {
                       uint32_t dwFontStyles,
                       const CFX_WideString& FontName,
                       FX_WCHAR wcUnicode = 0xFFFE);
-  IFGAS_Font* LoadFont(IFX_FileAccess* pFontAccess,
-                       int32_t iFaceIndex,
-                       int32_t* pFaceCount,
-                       FX_BOOL bWantCache = FALSE);
+  CFGAS_GEFont* LoadFont(IFX_FileAccess* pFontAccess,
+                         int32_t iFaceIndex,
+                         int32_t* pFaceCount,
+                         FX_BOOL bWantCache = FALSE);
   FXFT_Face LoadFace(IFX_FileRead* pFontStream, int32_t iFaceIndex);
   IFX_FileRead* CreateFontStream(CFX_FontMapper* pFontMapper,
                                  IFX_SystemFontInfo* pSystemFontInfo,
@@ -240,11 +242,11 @@ class CFGAS_FontMgrImp : public IFGAS_FontMgr {
   IFX_FileRead* CreateFontStream(const CFX_ByteString& bsFaceName);
 
   CFX_MapPtrTemplate<uint32_t, CFX_FontDescriptorInfos*> m_Hash2CandidateList;
-  CFX_MapPtrTemplate<uint32_t, CFX_ArrayTemplate<IFGAS_Font*>*> m_Hash2Fonts;
+  CFX_MapPtrTemplate<uint32_t, CFX_ArrayTemplate<CFGAS_GEFont*>*> m_Hash2Fonts;
   CFX_MapPtrTemplate<uint32_t, IFX_FileAccess*> m_Hash2FileAccess;
-  CFX_MapPtrTemplate<uint32_t, IFGAS_Font*> m_FileAccess2IFXFont;
-  CFX_MapPtrTemplate<IFGAS_Font*, IFX_FileRead*> m_IFXFont2FileRead;
-  CFX_MapPtrTemplate<FX_WCHAR, IFGAS_Font*> m_FailedUnicodes2NULL;
+  CFX_MapPtrTemplate<uint32_t, CFGAS_GEFont*> m_FileAccess2IFXFont;
+  CFX_MapPtrTemplate<CFGAS_GEFont*, IFX_FileRead*> m_IFXFont2FileRead;
+  CFX_MapPtrTemplate<FX_WCHAR, CFGAS_GEFont*> m_FailedUnicodes2NULL;
   CFX_FontSourceEnum_File* const m_pFontSource;
 };
 #endif
diff --git a/xfa/fgas/layout/fgas_rtfbreak.cpp b/xfa/fgas/layout/fgas_rtfbreak.cpp
index 514c9f0925..388a3be6f9 100644
--- a/xfa/fgas/layout/fgas_rtfbreak.cpp
+++ b/xfa/fgas/layout/fgas_rtfbreak.cpp
@@ -10,6 +10,7 @@
 
 #include "core/fxcrt/include/fx_arabic.h"
 #include "core/fxcrt/include/fx_arb.h"
+#include "xfa/fgas/font/fgas_gefont.h"
 #include "xfa/fgas/layout/fgas_linebreak.h"
 #include "xfa/fgas/layout/fgas_unicode.h"
 
@@ -86,7 +87,7 @@ void CFX_RTFBreak::SetLayoutStyles(uint32_t dwLayoutStyles) {
   m_iRotation = m_iLineRotation + m_iCharRotation;
   m_iRotation %= 4;
 }
-void CFX_RTFBreak::SetFont(IFGAS_Font* pFont) {
+void CFX_RTFBreak::SetFont(CFGAS_GEFont* pFont) {
   if (pFont == NULL) {
     return;
   }
@@ -1184,7 +1185,7 @@ int32_t CFX_RTFBreak::GetDisplayPos(const FX_RTFTEXTOBJ* pText,
   const FX_WCHAR* pStr = pText->pStr;
   int32_t* pWidths = pText->pWidths;
   int32_t iLength = pText->iLength - 1;
-  IFGAS_Font* pFont = pText->pFont;
+  CFGAS_GEFont* pFont = pText->pFont;
   uint32_t dwStyles = pText->dwLayoutStyles;
   CFX_RectF rtText(*pText->pRect);
   FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
@@ -1430,7 +1431,7 @@ int32_t CFX_RTFBreak::GetCharRects(const FX_RTFTEXTOBJ* pText,
   FX_FLOAT fFontSize = pText->fFontSize;
   int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
   FX_FLOAT fScale = fFontSize / 1000.0f;
-  IFGAS_Font* pFont = pText->pFont;
+  CFGAS_GEFont* pFont = pText->pFont;
   if (pFont == NULL) {
     bCharBBox = FALSE;
   }
diff --git a/xfa/fgas/layout/fgas_rtfbreak.h b/xfa/fgas/layout/fgas_rtfbreak.h
index d2041615d0..83d83a6c45 100644
--- a/xfa/fgas/layout/fgas_rtfbreak.h
+++ b/xfa/fgas/layout/fgas_rtfbreak.h
@@ -14,7 +14,7 @@
 #include "xfa/fgas/layout/fgas_textbreak.h"
 #include "xfa/fgas/layout/fgas_unicode.h"
 
-class IFGAS_Font;
+class CFGAS_GEFont;
 
 #define FX_RTFBREAKPOLICY_None 0x00
 #define FX_RTFBREAKPOLICY_SpaceBreak 0x01
@@ -82,7 +82,7 @@ struct FX_RTFTEXTOBJ {
   const FX_WCHAR* pStr;
   int32_t* pWidths;
   int32_t iLength;
-  IFGAS_Font* pFont;
+  CFGAS_GEFont* pFont;
   FX_FLOAT fFontSize;
   uint32_t dwLayoutStyles;
   int32_t iCharRotation;
@@ -250,7 +250,7 @@ class CFX_RTFBreak {
   void SetLineStartPos(FX_FLOAT fLinePos);
   uint32_t GetLayoutStyles() const { return m_dwLayoutStyles; }
   void SetLayoutStyles(uint32_t dwLayoutStyles);
-  void SetFont(IFGAS_Font* pFont);
+  void SetFont(CFGAS_GEFont* pFont);
   void SetFontSize(FX_FLOAT fFontSize);
   void SetTabWidth(FX_FLOAT fTabWidth);
   void AddPositionedTab(FX_FLOAT fTabPos);
@@ -298,7 +298,7 @@ class CFX_RTFBreak {
   FX_BOOL m_bVertical;
   FX_BOOL m_bSingleLine;
   FX_BOOL m_bCharCode;
-  IFGAS_Font* m_pFont;
+  CFGAS_GEFont* m_pFont;
   int32_t m_iFontHeight;
   int32_t m_iFontSize;
   int32_t m_iTabWidth;
diff --git a/xfa/fgas/layout/fgas_textbreak.cpp b/xfa/fgas/layout/fgas_textbreak.cpp
index 85cff44349..8ba3ae818d 100644
--- a/xfa/fgas/layout/fgas_textbreak.cpp
+++ b/xfa/fgas/layout/fgas_textbreak.cpp
@@ -11,6 +11,7 @@
 #include "core/fxcrt/include/fx_arabic.h"
 #include "core/fxcrt/include/fx_arb.h"
 #include "core/fxcrt/include/fx_memory.h"
+#include "xfa/fgas/font/fgas_gefont.h"
 #include "xfa/fgas/layout/fgas_linebreak.h"
 #include "xfa/fgas/layout/fgas_unicode.h"
 
@@ -93,7 +94,7 @@ void CFX_TxtBreak::SetLayoutStyles(uint32_t dwLayoutStyles) {
   m_iRotation = m_iLineRotation + m_iCharRotation;
   m_iRotation %= 4;
 }
-void CFX_TxtBreak::SetFont(IFGAS_Font* pFont) {
+void CFX_TxtBreak::SetFont(CFGAS_GEFont* pFont) {
   if (pFont == NULL) {
     return;
   }
@@ -1174,7 +1175,7 @@ int32_t CFX_TxtBreak::GetDisplayPos(const FX_TXTRUN* pTxtRun,
   const FX_WCHAR* pStr = pTxtRun->wsStr.c_str();
   int32_t* pWidths = pTxtRun->pWidths;
   int32_t iLength = pTxtRun->iLength - 1;
-  IFGAS_Font* pFont = pTxtRun->pFont;
+  CFGAS_GEFont* pFont = pTxtRun->pFont;
   uint32_t dwStyles = pTxtRun->dwStyles;
   CFX_RectF rtText(*pTxtRun->pRect);
   FX_BOOL bRTLPiece =
@@ -1565,7 +1566,7 @@ int32_t CFX_TxtBreak::GetCharRects(const FX_TXTRUN* pTxtRun,
   FX_FLOAT fFontSize = pTxtRun->fFontSize;
   int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
   FX_FLOAT fScale = fFontSize / 1000.0f;
-  IFGAS_Font* pFont = pTxtRun->pFont;
+  CFGAS_GEFont* pFont = pTxtRun->pFont;
   if (pFont == NULL) {
     bCharBBox = FALSE;
   }
diff --git a/xfa/fgas/layout/fgas_textbreak.h b/xfa/fgas/layout/fgas_textbreak.h
index db0b7f604e..9943eab2c7 100644
--- a/xfa/fgas/layout/fgas_textbreak.h
+++ b/xfa/fgas/layout/fgas_textbreak.h
@@ -13,9 +13,9 @@
 #include "xfa/fgas/layout/fgas_unicode.h"
 
 class CFX_Char;
+class CFGAS_GEFont;
 class CFX_TxtChar;
 class CFX_TxtPiece;
-class IFGAS_Font;
 class IFX_TxtAccess;
 
 #define FX_TXTBREAKPOLICY_None 0x00
@@ -103,7 +103,7 @@ struct FX_TXTRUN {
   CFX_WideString wsStr;
   int32_t* pWidths;
   int32_t iLength;
-  IFGAS_Font* pFont;
+  CFGAS_GEFont* pFont;
   FX_FLOAT fFontSize;
   uint32_t dwStyles;
   int32_t iHorizontalScale;
@@ -232,7 +232,7 @@ class CFX_TxtBreak {
   void SetLinePos(FX_FLOAT fLinePos);
   uint32_t GetLayoutStyles() const { return m_dwLayoutStyles; }
   void SetLayoutStyles(uint32_t dwLayoutStyles);
-  void SetFont(IFGAS_Font* pFont);
+  void SetFont(CFGAS_GEFont* pFont);
   void SetFontSize(FX_FLOAT fFontSize);
   void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
   void SetDefaultChar(FX_WCHAR wch);
@@ -306,7 +306,7 @@ class CFX_TxtBreak {
   FX_BOOL m_bCombText;
   int32_t m_iArabicContext;
   int32_t m_iCurArabicContext;
-  IFGAS_Font* m_pFont;
+  CFGAS_GEFont* m_pFont;
   int32_t m_iFontSize;
   FX_BOOL m_bEquidistant;
   int32_t m_iTabWidth;
diff --git a/xfa/fgas/layout/fgas_unicode.h b/xfa/fgas/layout/fgas_unicode.h
index 463cb33bc6..650943a72f 100644
--- a/xfa/fgas/layout/fgas_unicode.h
+++ b/xfa/fgas/layout/fgas_unicode.h
@@ -20,7 +20,7 @@ void FX_TEXTLAYOUT_PieceSort(CFX_TPOArray& tpos, int32_t iStart, int32_t iEnd);
 
 typedef FX_BOOL (*FX_AdjustCharDisplayPos)(FX_WCHAR wch,
                                            FX_BOOL bMBCSCode,
-                                           IFGAS_Font* pFont,
+                                           CFGAS_GEFont* pFont,
                                            FX_FLOAT fFontSize,
                                            FX_BOOL bVertical,
                                            CFX_PointF& ptOffset);