16 files changed, 2941 insertions, 0 deletions
diff --git a/xfa/src/fgas/include/fgas.h b/xfa/src/fgas/include/fgas.h
new file mode 100644
index 0000000000..adc4d2bd95
--- /dev/null
+++ b/xfa/src/fgas/include/fgas.h
@@ -0,0 +1,26 @@
+// 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
+
+// TODO(thestig): Remove this file and do IWYU.
+
+#ifndef _FGAS_
+#define _FGAS_
+#include "fx_sys.h"
+#include "fx_mem.h"
+#include "fx_lgg.h"
+#include "fx_utl.h"
+#include "fx_alg.h"
+#include "fx_cpg.h"
+#include "fx_stm.h"
+#include "fx_datetime.h"
+#include "fx_locale.h"
+#include "fx_sax.h"
+#include "fx_fnt.h"
+#include "fx_ucd.h"
+#include "fx_lbk.h"
+#include "fx_tbk.h"
+#include "fx_rbk.h"
+#endif
diff --git a/xfa/src/fgas/include/fx_alg.h b/xfa/src/fgas/include/fx_alg.h
new file mode 100644
index 0000000000..11ccdc63a7
--- /dev/null
+++ b/xfa/src/fgas/include/fx_alg.h
@@ -0,0 +1,47 @@
+// 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 _FX_ALGORITHM
+#define _FX_ALGORITHM
+#define FX_IsOdd(a) ((a)&1)
+#ifdef __cplusplus
+extern "C" {
+#endif
+int32_t FX_Base64EncodeA(const uint8_t* pSrc, int32_t iSrcLen, FX_CHAR* pDst);
+int32_t FX_Base64DecodeA(const FX_CHAR* pSrc, int32_t iSrcLen, uint8_t* pDst);
+int32_t FX_Base64DecodeW(const FX_WCHAR* pSrc, int32_t iSrcLen, uint8_t* pDst);
+uint8_t FX_Hex2Dec(uint8_t hexHigh, uint8_t hexLow);
+int32_t FX_SeparateStringW(const FX_WCHAR* pStr,
+                           int32_t iStrLen,
+                           FX_WCHAR delimiter,
+                           CFX_WideStringArray& pieces);
+#ifdef __cplusplus
+};
+#endif
+template <class baseType>
+class CFX_DSPATemplate {
+ public:
+  int32_t Lookup(const baseType& find, const baseType* pArray, int32_t iCount) {
+    FXSYS_assert(pArray != NULL);
+    if (iCount < 1) {
+      return -1;
+    }
+    int32_t iStart = 0, iEnd = iCount - 1, iMid;
+    do {
+      iMid = (iStart + iEnd) / 2;
+      const baseType& v = pArray[iMid];
+      if (find == v) {
+        return iMid;
+      } else if (find < v) {
+        iEnd = iMid - 1;
+      } else {
+        iStart = iMid + 1;
+      }
+    } while (iStart <= iEnd);
+    return -1;
+  }
+};
+#endif
diff --git a/xfa/src/fgas/include/fx_cpg.h b/xfa/src/fgas/include/fx_cpg.h
new file mode 100644
index 0000000000..357ffd820a
--- /dev/null
+++ b/xfa/src/fgas/include/fx_cpg.h
@@ -0,0 +1,248 @@
+// 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 _FX_CODEPAGE
+#define _FX_CODEPAGE
+class IFX_CodePage;
+#define FX_CODEPAGE_DefANSI 0
+#define FX_CODEPAGE_DefOEM 1
+#define FX_CODEPAGE_DefMAC 2
+#define FX_CODEPAGE_Thread 3
+#define FX_CODEPAGE_Symbol 42
+#define FX_CODEPAGE_MSDOS_US 437
+#define FX_CODEPAGE_Arabic_ASMO708 708
+#define FX_CODEPAGE_Arabic_ASMO449Plus 709
+#define FX_CODEPAGE_Arabic_Transparent 710
+#define FX_CODEPAGE_Arabic_NafithaEnhanced 711
+#define FX_CODEPAGE_Arabic_TransparentASMO 720
+#define FX_CODEPAGE_MSDOS_Greek1 737
+#define FX_CODEPAGE_MSDOS_Baltic 775
+#define FX_CODEPAGE_MSWin31_WesternEuropean 819
+#define FX_CODEPAGE_MSDOS_WesternEuropean 850
+#define FX_CODEPAGE_MSDOS_EasternEuropean 852
+#define FX_CODEPAGE_MSDOS_Latin3 853
+#define FX_CODEPAGE_MSDOS_Cyrillic 855
+#define FX_CODEPAGE_MSDOS_Turkish 857
+#define FX_CODEPAGE_MSDOS_Latin1Euro 858
+#define FX_CODEPAGE_MSDOS_Portuguese 860
+#define FX_CODEPAGE_MSDOS_Icelandic 861
+#define FX_CODEPAGE_MSDOS_Hebrew 862
+#define FX_CODEPAGE_MSDOS_FrenchCanadian 863
+#define FX_CODEPAGE_MSDOS_Arabic 864
+#define FX_CODEPAGE_MSDOS_Norwegian 865
+#define FX_CODEPAGE_MSDOS_Russian 866
+#define FX_CODEPAGE_MSDOS_Greek2 869
+#define FX_CODEPAGE_MSDOS_Thai 874
+#define FX_CODEPAGE_MSDOS_KamenickyCS 895
+#define FX_CODEPAGE_ShiftJIS 932
+#define FX_CODEPAGE_ChineseSimplified 936
+#define FX_CODEPAGE_Korean 949
+#define FX_CODEPAGE_ChineseTraditional 950
+#define FX_CODEPAGE_UTF16LE 1200
+#define FX_CODEPAGE_UTF16BE 1201
+#define FX_CODEPAGE_MSWin_EasternEuropean 1250
+#define FX_CODEPAGE_MSWin_Cyrillic 1251
+#define FX_CODEPAGE_MSWin_WesternEuropean 1252
+#define FX_CODEPAGE_MSWin_Greek 1253
+#define FX_CODEPAGE_MSWin_Turkish 1254
+#define FX_CODEPAGE_MSWin_Hebrew 1255
+#define FX_CODEPAGE_MSWin_Arabic 1256
+#define FX_CODEPAGE_MSWin_Baltic 1257
+#define FX_CODEPAGE_MSWin_Vietnamese 1258
+#define FX_CODEPAGE_Johab 1361
+#define FX_CODEPAGE_MAC_Roman 10000
+#define FX_CODEPAGE_MAC_ShiftJIS 10001
+#define FX_CODEPAGE_MAC_ChineseTraditional 10002
+#define FX_CODEPAGE_MAC_Korean 10003
+#define FX_CODEPAGE_MAC_Arabic 10004
+#define FX_CODEPAGE_MAC_Hebrew 10005
+#define FX_CODEPAGE_MAC_Greek 10006
+#define FX_CODEPAGE_MAC_Cyrillic 10007
+#define FX_CODEPAGE_MAC_ChineseSimplified 10008
+#define FX_CODEPAGE_MAC_Thai 10021
+#define FX_CODEPAGE_MAC_EasternEuropean 10029
+#define FX_CODEPAGE_MAC_Turkish 10081
+#define FX_CODEPAGE_UTF32LE 12000
+#define FX_CODEPAGE_UTF32BE 12001
+#define FX_CODEPAGE_ISO8859_1 28591
+#define FX_CODEPAGE_ISO8859_2 28592
+#define FX_CODEPAGE_ISO8859_3 28593
+#define FX_CODEPAGE_ISO8859_4 28594
+#define FX_CODEPAGE_ISO8859_5 28595
+#define FX_CODEPAGE_ISO8859_6 28596
+#define FX_CODEPAGE_ISO8859_7 28597
+#define FX_CODEPAGE_ISO8859_8 28598
+#define FX_CODEPAGE_ISO8859_9 28599
+#define FX_CODEPAGE_ISO8859_10 28600
+#define FX_CODEPAGE_ISO8859_11 28601
+#define FX_CODEPAGE_ISO8859_12 28602
+#define FX_CODEPAGE_ISO8859_13 28603
+#define FX_CODEPAGE_ISO8859_14 28604
+#define FX_CODEPAGE_ISO8859_15 28605
+#define FX_CODEPAGE_ISO8859_16 28606
+#define FX_CODEPAGE_ISCII_Devanagari 57002
+#define FX_CODEPAGE_ISCII_Bengali 57003
+#define FX_CODEPAGE_ISCII_Tamil 57004
+#define FX_CODEPAGE_ISCII_Telugu 57005
+#define FX_CODEPAGE_ISCII_Assamese 57006
+#define FX_CODEPAGE_ISCII_Oriya 57007
+#define FX_CODEPAGE_ISCII_Kannada 57008
+#define FX_CODEPAGE_ISCII_Malayalam 57009
+#define FX_CODEPAGE_ISCII_Gujarati 57010
+#define FX_CODEPAGE_ISCII_Punjabi 57011
+#define FX_CODEPAGE_UTF7 65000
+#define FX_CODEPAGE_UTF8 65001
+#define FX_CHARSET_ANSI 0
+#define FX_CHARSET_Default 1
+#define FX_CHARSET_Symbol 2
+#define FX_CHARSET_MAC_Roman 77
+#define FX_CHARSET_MAC_ShiftJIS 78
+#define FX_CHARSET_MAC_Korean 79
+#define FX_CHARSET_MAC_ChineseSimplified 80
+#define FX_CHARSET_MAC_ChineseTriditional 81
+#define FX_CHARSET_MAC_Johab 82
+#define FX_CHARSET_MAC_Hebrew 83
+#define FX_CHARSET_MAC_Arabic 84
+#define FX_CHARSET_MAC_Greek 85
+#define FX_CHARSET_MAC_Turkish 86
+#define FX_CHARSET_MAC_Thai 87
+#define FX_CHARSET_MAC_EasternEuropean 88
+#define FX_CHARSET_MAC_Cyrillic 89
+#define FX_CHARSET_ShiftJIS 128
+#define FX_CHARSET_Korean 129
+#define FX_CHARSET_Johab 130
+#define FX_CHARSET_ChineseSimplified 134
+#define FX_CHARSET_ChineseTriditional 136
+#define FX_CHARSET_MSWin_Greek 161
+#define FX_CHARSET_MSWin_Turkish 162
+#define FX_CHARSET_MSWin_Vietnamese 163
+#define FX_CHARSET_MSWin_Hebrew 177
+#define FX_CHARSET_MSWin_Arabic 178
+#define FX_CHARSET_ArabicTraditional 179
+#define FX_CHARSET_ArabicUser 180
+#define FX_CHARSET_HebrewUser 181
+#define FX_CHARSET_MSWin_Baltic 186
+#define FX_CHARSET_MSWin_Cyrillic 204
+#define FX_CHARSET_Thai 222
+#define FX_CHARSET_MSWin_EasterEuropean 238
+#define FX_CHARSET_US 254
+#define FX_CHARSET_OEM 255
+FX_WORD FX_GetCodePageFromCharset(uint8_t charset);
+FX_WORD FX_GetCharsetFromCodePage(FX_WORD codepage);
+FX_WORD FX_GetCodePageFromStringA(const FX_CHAR* pStr, int32_t iLength);
+FX_WORD FX_GetCodePageFormStringW(const FX_WCHAR* pStr, int32_t iLength);
+FX_WORD FX_GetDefCodePageByLanguage(FX_WORD wLanguage);
+void FX_SwapByteOrder(FX_WCHAR* pStr, int32_t iLength);
+void FX_SwapByteOrderCopy(const FX_WCHAR* pSrc,
+                          FX_WCHAR* pDst,
+                          int32_t iLength);
+void FX_UTF16ToWChar(void* pBuffer, int32_t iLength);
+void FX_UTF16ToWCharCopy(const FX_WORD* pUTF16,
+                         FX_WCHAR* pWChar,
+                         int32_t iLength);
+void FX_WCharToUTF16(void* pBuffer, int32_t iLength);
+void FX_WCharToUTF16Copy(const FX_WCHAR* pWChar,
+                         FX_WORD* pUTF16,
+                         int32_t iLength);
+int32_t FX_DecodeString(FX_WORD wCodePage,
+                        const FX_CHAR* pSrc,
+                        int32_t* pSrcLen,
+                        FX_WCHAR* pDst,
+                        int32_t* pDstLen,
+                        FX_BOOL bErrBreak = FALSE);
+int32_t FX_UTF8Decode(const FX_CHAR* pSrc,
+                      int32_t* pSrcLen,
+                      FX_WCHAR* pDst,
+                      int32_t* pDstLen);
+enum FX_CODESYSTEM {
+  FX_MBCS = 0,
+  FX_SBCS,
+  FX_DBCS,
+};
+typedef struct _FX_CODEPAGE_HEADER {
+  uint16_t uCPID;
+  uint8_t uMinCharBytes;
+  uint8_t uMaxCharBytes;
+  FX_CODESYSTEM eCPType;
+  FX_BOOL bHasLeadByte;
+  FX_WCHAR wMinChar;
+  FX_WCHAR wMaxChar;
+  FX_WCHAR wDefChar;
+  FX_WCHAR wMinUnicode;
+  FX_WCHAR wMaxUnicode;
+  FX_WCHAR wDefUnicode;
+} FX_CODEPAGE_HEADER;
+#define FX_CPMAPTYPE_Consecution 1
+#define FX_CPMAPTYPE_Strict 2
+#define FX_CPMAPTYPE_NoMapping 3
+#define FX_CPMAPTYPE_Delta 4
+typedef struct _FX_CPCU_MAPTABLE1 {
+  uint16_t uMapType;
+  uint16_t uUniocde;
+} FX_CPCU_MAPTABLE1;
+typedef struct _FX_CPCU_MAPTABLE2 {
+  uint8_t uTrailByte;
+  uint8_t uMapType;
+  uint16_t uOffset;
+} FX_CPCU_MAPTABLE2;
+typedef struct _FX_CPCU_MAPINFO {
+  FX_CPCU_MAPTABLE1* pMapTable1;
+  FX_CPCU_MAPTABLE2* pMapTable2;
+  const uint8_t* pMapData;
+} FX_CPCU_MAPINFO;
+typedef struct _FX_CPUC_MAPTABLE {
+  uint16_t uStartUnicode;
+  uint16_t uEndUnicode;
+  uint16_t uMapType;
+  uint16_t uOffset;
+} FX_CPUC_MAPTABLE;
+typedef struct _FX_CPUC_MAPINFO {
+  uint32_t uMapCount;
+  FX_CPUC_MAPTABLE* pMapTable;
+  const uint8_t* pMapData;
+} FX_CPUC_MAPINFO;
+typedef struct _FX_CODEPAGE {
+  FX_CODEPAGE_HEADER const* pCPHeader;
+  FX_CPCU_MAPINFO const* pCPCUMapInfo;
+  FX_CPUC_MAPINFO const* pCPUCMapInfo;
+} FX_CODEPAGE, *FX_LPCODEPAGE;
+typedef FX_CODEPAGE const* FX_LPCCODEPAGE;
+typedef struct _FX_STR2CPHASH {
+  uint32_t uHash;
+  uint32_t uCodePage;
+} FX_STR2CPHASH;
+typedef struct _FX_CHARSET_MAP {
+  uint16_t charset;
+  uint16_t codepage;
+} FX_CHARSET_MAP;
+typedef struct _FX_LANG2CPMAP {
+  FX_WORD wLanguage;
+  FX_WORD wCodepage;
+} FX_LANG2CPMAP;
+
+class IFX_CodePage {
+ public:
+  static IFX_CodePage* Create(FX_WORD wCodePage);
+  virtual ~IFX_CodePage() {}
+  virtual void Release() = 0;
+  virtual FX_WORD GetCodePageNumber() const = 0;
+  virtual FX_CODESYSTEM GetCodeSystemType() const = 0;
+  virtual FX_BOOL HasLeadByte() const = 0;
+  virtual FX_BOOL IsLeadByte(uint8_t byte) const = 0;
+  virtual int32_t GetMinBytesPerChar() const = 0;
+  virtual int32_t GetMaxBytesPerChar() const = 0;
+  virtual FX_WCHAR GetMinCharcode() const = 0;
+  virtual FX_WCHAR GetMaxCharcode() const = 0;
+  virtual FX_WCHAR GetDefCharcode() const = 0;
+  virtual FX_WCHAR GetMinUnicode() const = 0;
+  virtual FX_WCHAR GetMaxUnicode() const = 0;
+  virtual FX_WCHAR GetDefUnicode() const = 0;
+  virtual FX_BOOL IsValidCharcode(FX_WORD wCharcode) const = 0;
+  virtual FX_WCHAR GetUnicode(FX_WORD wCharcode) const = 0;
+  virtual FX_BOOL IsValidUnicode(FX_WCHAR wUnicode) const = 0;
+  virtual FX_WORD GetCharcode(FX_WCHAR wUnicode) const = 0;
+};
+#endif
diff --git a/xfa/src/fgas/include/fx_datetime.h b/xfa/src/fgas/include/fx_datetime.h
new file mode 100644
index 0000000000..773acbd2fb
--- /dev/null
+++ b/xfa/src/fgas/include/fx_datetime.h
@@ -0,0 +1,392 @@
+// 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 _FX_DATETIME_H_
+#define _FX_DATETIME_H_
+class CFX_Unitime;
+class CFX_DateTime;
+typedef int64_t FX_UNITIME;
+enum FX_WEEKDAY {
+  FX_Sunday = 0,
+  FX_Monday,
+  FX_Tuesday,
+  FX_Wednesday,
+  FX_Thursday,
+  FX_Friday,
+  FX_Saturday,
+};
+FX_BOOL FX_IsLeapYear(int32_t iYear);
+int32_t FX_DaysInYear(int32_t iYear);
+uint8_t FX_DaysInMonth(int32_t iYear, uint8_t iMonth);
+class CFX_Unitime {
+ public:
+  CFX_Unitime() { m_iUnitime = 0; }
+  CFX_Unitime(FX_UNITIME iUnitime) { m_iUnitime = iUnitime; }
+  CFX_Unitime(const CFX_Unitime& unitime) { m_iUnitime = unitime.m_iUnitime; }
+  operator FX_UNITIME*() { return &m_iUnitime; }
+  operator FX_UNITIME const*() const { return &m_iUnitime; }
+  operator FX_UNITIME&() { return m_iUnitime; }
+  operator const FX_UNITIME&() const { return m_iUnitime; }
+  CFX_Unitime& operator=(const CFX_Unitime& t) {
+    m_iUnitime = t.m_iUnitime;
+    return *this;
+  }
+  CFX_Unitime& operator=(FX_UNITIME t) {
+    m_iUnitime = t;
+    return *this;
+  }
+  CFX_Unitime& operator+=(const CFX_Unitime& t) {
+    m_iUnitime += t.m_iUnitime;
+    return *this;
+  }
+  CFX_Unitime& operator+=(FX_UNITIME t) {
+    m_iUnitime += t;
+    return *this;
+  }
+  CFX_Unitime& operator-=(const CFX_Unitime& t) {
+    m_iUnitime -= t.m_iUnitime;
+    return *this;
+  }
+  CFX_Unitime& operator-=(FX_UNITIME t) {
+    m_iUnitime -= t;
+    return *this;
+  }
+  void Now();
+  void SetGMTime();
+  void Set(int32_t year,
+           uint8_t month,
+           uint8_t day,
+           uint8_t hour = 0,
+           uint8_t minute = 0,
+           uint8_t second = 0,
+           FX_WORD millisecond = 0);
+  void Set(FX_UNITIME t);
+  int32_t GetYear() const;
+  uint8_t GetMonth() const;
+  uint8_t GetDay() const;
+  FX_WEEKDAY GetDayOfWeek() const;
+  FX_WORD GetDayOfYear() const;
+  int64_t GetDayOfAD() const;
+  uint8_t GetHour() const;
+  uint8_t GetMinute() const;
+  uint8_t GetSecond() const;
+  FX_WORD GetMillisecond() const;
+  FX_BOOL AddYears(int32_t iYears);
+  FX_BOOL AddMonths(int32_t iMonths);
+  FX_BOOL AddDays(int32_t iDays);
+  FX_BOOL AddHours(int32_t iHours);
+  FX_BOOL AddMinutes(int32_t iMinutes);
+  FX_BOOL AddSeconds(int32_t iSeconds);
+  FX_BOOL AddMilliseconds(int32_t iMilliseconds);
+  friend CFX_Unitime operator+(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return CFX_Unitime(t1.m_iUnitime + t2.m_iUnitime);
+  }
+  friend CFX_Unitime operator+(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return CFX_Unitime(t1.m_iUnitime + t2);
+  }
+  friend CFX_Unitime operator+(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return CFX_Unitime(t1 + t2.m_iUnitime);
+  }
+  friend CFX_Unitime operator-(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return CFX_Unitime(t1.m_iUnitime + t2.m_iUnitime);
+  }
+  friend CFX_Unitime operator-(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return CFX_Unitime(t1.m_iUnitime + t2);
+  }
+  friend CFX_Unitime operator-(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return CFX_Unitime(t1 + t2.m_iUnitime);
+  }
+  friend FX_BOOL operator==(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return t1.m_iUnitime == t2.m_iUnitime;
+  }
+  friend FX_BOOL operator==(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return t1.m_iUnitime == t2;
+  }
+  friend FX_BOOL operator==(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return t1 == t2.m_iUnitime;
+  }
+  friend FX_BOOL operator!=(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return t1.m_iUnitime != t2.m_iUnitime;
+  }
+  friend FX_BOOL operator!=(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return t1.m_iUnitime != t2;
+  }
+  friend FX_BOOL operator!=(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return t1 != t2.m_iUnitime;
+  }
+  friend FX_BOOL operator>(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return t1.m_iUnitime > t2.m_iUnitime;
+  }
+  friend FX_BOOL operator>(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return t1.m_iUnitime > t2;
+  }
+  friend FX_BOOL operator>(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return t1 > t2.m_iUnitime;
+  }
+  friend FX_BOOL operator>=(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return t1.m_iUnitime >= t2.m_iUnitime;
+  }
+  friend FX_BOOL operator>=(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return t1.m_iUnitime >= t2;
+  }
+  friend FX_BOOL operator>=(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return t1 >= t2.m_iUnitime;
+  }
+  friend FX_BOOL operator<(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return t1.m_iUnitime < t2.m_iUnitime;
+  }
+  friend FX_BOOL operator<(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return t1.m_iUnitime < t2;
+  }
+  friend FX_BOOL operator<(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return t1 < t2.m_iUnitime;
+  }
+  friend FX_BOOL operator<=(const CFX_Unitime& t1, const CFX_Unitime& t2) {
+    return t1.m_iUnitime <= t2.m_iUnitime;
+  }
+  friend FX_BOOL operator<=(const CFX_Unitime& t1, FX_UNITIME t2) {
+    return t1.m_iUnitime <= t2;
+  }
+  friend FX_BOOL operator<=(FX_UNITIME t1, const CFX_Unitime& t2) {
+    return t1 <= t2.m_iUnitime;
+  }
+
+ private:
+  FX_UNITIME m_iUnitime;
+};
+#if _FX_OS_ != _FX_ANDROID_
+#pragma pack(push, 1)
+#endif
+typedef struct _FX_DATE {
+  int32_t year;
+  uint8_t month;
+  uint8_t day;
+} FX_DATE, *FX_LPDATE;
+typedef FX_DATE const* FX_LPCDATE;
+typedef struct _FX_TIME {
+  uint8_t hour;
+  uint8_t minute;
+  uint8_t second;
+  FX_WORD millisecond;
+} FX_TIME, *FX_LPTIME;
+typedef FX_TIME const* FX_LPCTIME;
+typedef struct _FX_TIMEZONE {
+  int8_t tzHour;
+  uint8_t tzMinute;
+} FX_TIMEZONE, *FX_LPTIMEZONE;
+typedef FX_TIMEZONE const* FX_LPCTIMEZONE;
+typedef struct _FX_DATETIME {
+  union {
+    struct {
+      int32_t year;
+      uint8_t month;
+      uint8_t day;
+    } sDate;
+    FX_DATE aDate;
+  } Date;
+  union {
+    struct {
+      uint8_t hour;
+      uint8_t minute;
+      uint8_t second;
+      FX_WORD millisecond;
+    } sTime;
+    FX_TIME aTime;
+  } Time;
+} FX_DATETIME, *FX_LPDATETIME;
+typedef FX_DATETIME const* FX_LPCDATETIME;
+typedef struct _FX_DATETIMEZONE {
+  union {
+    struct {
+      union {
+        struct {
+          int32_t year;
+          uint8_t month;
+          uint8_t day;
+        };
+        FX_DATE date;
+      };
+      union {
+        struct {
+          uint8_t hour;
+          uint8_t minute;
+          uint8_t second;
+          FX_WORD millisecond;
+        };
+        FX_TIME time;
+      };
+    };
+    FX_DATETIME dt;
+  };
+  union {
+    struct {
+      int8_t tzHour;
+      uint8_t tzMinute;
+    };
+    FX_TIMEZONE tz;
+  };
+} FX_DATETIMEZONE, *FX_LPDATETIMEZONE;
+typedef FX_DATETIMEZONE const* FX_LPCDATETIMEZONE;
+#if _FX_OS_ != _FX_ANDROID_
+#pragma pack(pop)
+#endif
+class CFX_DateTime {
+ public:
+  CFX_DateTime() {}
+  CFX_DateTime(const FX_DATETIME& dt) { m_DateTime = dt; }
+  CFX_DateTime(const CFX_DateTime& dt) { m_DateTime = dt.m_DateTime; }
+  virtual ~CFX_DateTime() {}
+  operator FX_DATETIME*() { return &m_DateTime; }
+  operator FX_DATETIME const*() const { return &m_DateTime; }
+  operator FX_DATETIME&() { return m_DateTime; }
+  operator const FX_DATETIME&() const { return m_DateTime; }
+  CFX_DateTime& operator=(const CFX_DateTime& dt) {
+    m_DateTime = dt.m_DateTime;
+    return *this;
+  }
+  CFX_DateTime& operator=(const FX_DATETIME& dt) {
+    m_DateTime = dt;
+    return *this;
+  }
+  CFX_DateTime& operator+=(const CFX_DateTime& dt) {
+    FromUnitime(ToUnitime() + dt.ToUnitime());
+    return *this;
+  }
+  CFX_DateTime& operator+=(const FX_DATETIME& dt) {
+    FromUnitime(ToUnitime() + ((const CFX_DateTime&)dt).ToUnitime());
+    return *this;
+  }
+  CFX_DateTime& operator-=(const CFX_DateTime& dt) {
+    FromUnitime(ToUnitime() - dt.ToUnitime());
+    return *this;
+  }
+  CFX_DateTime& operator-=(const FX_DATETIME& dt) {
+    FromUnitime(ToUnitime() - ((const CFX_DateTime&)dt).ToUnitime());
+    return *this;
+  }
+  virtual FX_BOOL Set(int32_t year,
+                      uint8_t month,
+                      uint8_t day,
+                      uint8_t hour = 0,
+                      uint8_t minute = 0,
+                      uint8_t second = 0,
+                      FX_WORD millisecond = 0);
+  virtual FX_BOOL FromUnitime(FX_UNITIME t);
+  virtual FX_UNITIME ToUnitime() const;
+  virtual int32_t GetYear() const;
+  virtual uint8_t GetMonth() const;
+  virtual uint8_t GetDay() const;
+  virtual FX_WEEKDAY GetDayOfWeek() const;
+  virtual FX_WORD GetDayOfYear() const;
+  virtual int64_t GetDayOfAD() const;
+  virtual uint8_t GetHour() const;
+  virtual uint8_t GetMinute() const;
+  virtual uint8_t GetSecond() const;
+  virtual FX_WORD GetMillisecond() const;
+  virtual FX_BOOL AddYears(int32_t iYears);
+  virtual FX_BOOL AddMonths(int32_t iMonths);
+  virtual FX_BOOL AddDays(int32_t iDays);
+  virtual FX_BOOL AddHours(int32_t iHours);
+  virtual FX_BOOL AddMinutes(int32_t iMinutes);
+  virtual FX_BOOL AddSeconds(int32_t iSeconds);
+  virtual FX_BOOL AddMilliseconds(int32_t iMilliseconds);
+  friend CFX_DateTime operator+(const CFX_DateTime& dt1,
+                                const CFX_DateTime& dt2) {
+    CFX_DateTime dt;
+    dt.FromUnitime(dt1.ToUnitime() + dt2.ToUnitime());
+    return dt;
+  }
+  friend CFX_DateTime operator+(const CFX_DateTime& dt1,
+                                const FX_DATETIME& dt2) {
+    CFX_DateTime dt;
+    dt.FromUnitime(dt1.ToUnitime() + ((const CFX_DateTime&)dt2).ToUnitime());
+    return dt;
+  }
+  friend CFX_DateTime operator+(const FX_DATETIME& dt1,
+                                const CFX_DateTime& dt2) {
+    CFX_DateTime dt;
+    dt.FromUnitime(((const CFX_DateTime&)dt1).ToUnitime() + dt2.ToUnitime());
+    return dt;
+  }
+  friend CFX_DateTime operator-(const CFX_DateTime& dt1,
+                                const CFX_DateTime& dt2) {
+    CFX_DateTime dt;
+    dt.FromUnitime(dt1.ToUnitime() - dt2.ToUnitime());
+    return dt;
+  }
+  friend CFX_DateTime operator-(const CFX_DateTime& dt1,
+                                const FX_DATETIME& dt2) {
+    CFX_DateTime dt;
+    dt.FromUnitime(dt1.ToUnitime() - ((const CFX_DateTime&)dt2).ToUnitime());
+    return dt;
+  }
+  friend CFX_DateTime operator-(const FX_DATETIME& dt1,
+                                const CFX_DateTime& dt2) {
+    CFX_DateTime dt;
+    dt.FromUnitime(((const CFX_DateTime&)dt1).ToUnitime() - dt2.ToUnitime());
+    return dt;
+  }
+  friend FX_BOOL operator==(const CFX_DateTime& dt1, const CFX_DateTime& dt2) {
+    return FXSYS_memcmp((FX_LPCDATETIME)dt1, (FX_LPCDATETIME)dt2,
+                        sizeof(FX_DATETIME)) == 0;
+  }
+  friend FX_BOOL operator==(const CFX_DateTime& dt1, const FX_DATETIME& dt2) {
+    return FXSYS_memcmp((FX_LPCDATETIME)dt1, &dt2, sizeof(FX_DATETIME)) == 0;
+  }
+  friend FX_BOOL operator==(const FX_DATETIME& dt1, const CFX_DateTime& dt2) {
+    return FXSYS_memcmp(&dt1, (FX_LPCDATETIME)dt2, sizeof(FX_DATETIME)) == 0;
+  }
+  friend FX_BOOL operator!=(const CFX_DateTime& dt1, const CFX_DateTime& dt2) {
+    return FXSYS_memcmp((FX_LPCDATETIME)dt1, (FX_LPCDATETIME)dt2,
+                        sizeof(FX_DATETIME)) != 0;
+  }
+  friend FX_BOOL operator!=(const CFX_DateTime& dt1, const FX_DATETIME& dt2) {
+    return FXSYS_memcmp((FX_LPCDATETIME)dt1, &dt2, sizeof(FX_DATETIME)) != 0;
+  }
+  friend FX_BOOL operator!=(const FX_DATETIME& dt1, const CFX_DateTime& dt2) {
+    return FXSYS_memcmp(&dt1, (FX_LPCDATETIME)dt2, sizeof(FX_DATETIME)) != 0;
+  }
+  friend FX_BOOL operator>(const CFX_DateTime& dt1, const CFX_DateTime& dt2) {
+    return dt1.ToUnitime() > dt2.ToUnitime();
+  }
+  friend FX_BOOL operator>(const CFX_DateTime& dt1, const FX_DATETIME& dt2) {
+    return dt1.ToUnitime() > ((const CFX_DateTime&)dt2).ToUnitime();
+  }
+  friend FX_BOOL operator>(const FX_DATETIME& dt1, const CFX_DateTime& dt2) {
+    return ((const CFX_DateTime&)dt1).ToUnitime() > dt2.ToUnitime();
+  }
+  friend FX_BOOL operator>=(const CFX_DateTime& dt1, const CFX_DateTime& dt2) {
+    return dt1.ToUnitime() >= dt2.ToUnitime();
+  }
+  friend FX_BOOL operator>=(const CFX_DateTime& dt1, const FX_DATETIME& dt2) {
+    return dt1.ToUnitime() >= ((const CFX_DateTime&)dt2).ToUnitime();
+  }
+  friend FX_BOOL operator>=(const FX_DATETIME& dt1, const CFX_DateTime& dt2) {
+    return ((const CFX_DateTime&)dt1).ToUnitime() >= dt2.ToUnitime();
+  }
+  friend FX_BOOL operator<(const CFX_DateTime& dt1, const CFX_DateTime& dt2) {
+    return dt1.ToUnitime() < dt2.ToUnitime();
+  }
+  friend FX_BOOL operator<(const CFX_DateTime& dt1, const FX_DATETIME& dt2) {
+    return dt1.ToUnitime() < ((const CFX_DateTime&)dt2).ToUnitime();
+  }
+  friend FX_BOOL operator<(const FX_DATETIME& dt1, const CFX_DateTime& dt2) {
+    return ((const CFX_DateTime&)dt1).ToUnitime() < dt2.ToUnitime();
+  }
+  friend FX_BOOL operator<=(const CFX_DateTime& dt1, const CFX_DateTime& dt2) {
+    return dt1.ToUnitime() <= dt2.ToUnitime();
+  }
+  friend FX_BOOL operator<=(const CFX_DateTime& dt1, const FX_DATETIME& dt2) {
+    return dt1.ToUnitime() <= ((const CFX_DateTime&)dt2).ToUnitime();
+  }
+  friend FX_BOOL operator<=(const FX_DATETIME& dt1, const CFX_DateTime& dt2) {
+    return ((const CFX_DateTime&)dt1).ToUnitime() <= dt2.ToUnitime();
+  }
+
+ private:
+  FX_DATETIME m_DateTime;
+};
+#endif
diff --git a/xfa/src/fgas/include/fx_fnt.h b/xfa/src/fgas/include/fx_fnt.h
new file mode 100644
index 0000000000..894ad183f5
--- /dev/null
+++ b/xfa/src/fgas/include/fx_fnt.h
@@ -0,0 +1,264 @@
+// 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 _FX_FONT
+#define _FX_FONT
+class IFX_Font;
+class IFX_FontMgr;
+#define FX_FONTSTYLE_Normal 0x00
+#define FX_FONTSTYLE_FixedPitch 0x01
+#define FX_FONTSTYLE_Serif 0x02
+#define FX_FONTSTYLE_Symbolic 0x04
+#define FX_FONTSTYLE_Script 0x08
+#define FX_FONTSTYLE_Italic 0x40
+#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 IFX_FontProvider {
+ public:
+  virtual ~IFX_FontProvider() {}
+  virtual FX_BOOL GetCharWidth(IFX_Font* pFont,
+                               FX_WCHAR wUnicode,
+                               int32_t& iWidth,
+                               FX_BOOL bCharCode = FALSE) = 0;
+};
+
+class IFX_Font {
+ public:
+  static IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily,
+                            FX_DWORD dwFontStyles,
+                            FX_WORD wCodePage,
+                            IFX_FontMgr* pFontMgr);
+  static IFX_Font* LoadFont(const uint8_t* pBuffer,
+                            int32_t iLength,
+                            IFX_FontMgr* pFontMgr);
+  static IFX_Font* LoadFont(const FX_WCHAR* pszFileName, IFX_FontMgr* pFontMgr);
+  static IFX_Font* LoadFont(IFX_Stream* pFontStream,
+                            IFX_FontMgr* pFontMgr,
+                            FX_BOOL bSaveStream = FALSE);
+  static IFX_Font* LoadFont(CFX_Font* pExtFont,
+                            IFX_FontMgr* pFontMgr,
+                            FX_BOOL bTakeOver = FALSE);
+  virtual ~IFX_Font() {}
+  virtual void Release() = 0;
+  virtual IFX_Font* Retain() = 0;
+  virtual IFX_Font* Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0) = 0;
+  virtual void GetFamilyName(CFX_WideString& wsFamily) const = 0;
+  virtual void GetPsName(CFX_WideString& wsName) const = 0;
+  virtual FX_DWORD 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 IFX_Font* GetSubstFont(int32_t iGlyphIndex) const = 0;
+  virtual void* GetDevFont() const = 0;
+  virtual void SetFontProvider(IFX_FontProvider* pProvider) = 0;
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+  virtual void SetLogicalFontStyle(FX_DWORD dwLogFontStyle) = 0;
+#endif
+};
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+typedef struct _FX_FONTMATCHPARAMS {
+  const FX_WCHAR* pwsFamily;
+  FX_DWORD dwFontStyles;
+  FX_DWORD dwUSB;
+  FX_DWORD dwMatchFlags;
+  FX_WCHAR wUnicode;
+  FX_WORD wCodePage;
+} FX_FONTMATCHPARAMS, *FX_LPFONTMATCHPARAMS;
+typedef FX_FONTMATCHPARAMS const* FX_LPCFONTMATCHPARAMS;
+typedef struct _FX_FONTSIGNATURE : public CFX_Target {
+  FX_DWORD fsUsb[4];
+  FX_DWORD fsCsb[2];
+} FX_FONTSIGNATURE;
+typedef struct _FX_FONTDESCRIPTOR : public CFX_Target {
+  FX_WCHAR wsFontFace[32];
+  FX_DWORD dwFontStyles;
+  uint8_t uCharSet;
+  FX_FONTSIGNATURE FontSignature;
+} FX_FONTDESCRIPTOR, *FX_LPFONTDESCRIPTOR;
+typedef FX_FONTDESCRIPTOR const* FX_LPCFONTDESCRIPTOR;
+typedef CFX_MassArrayTemplate<FX_FONTDESCRIPTOR> CFX_FontDescriptors;
+inline FX_BOOL operator==(const FX_FONTDESCRIPTOR& left,
+                          const FX_FONTDESCRIPTOR& right) {
+  return left.uCharSet == right.uCharSet &&
+         left.dwFontStyles == right.dwFontStyles &&
+         FXSYS_wcscmp(left.wsFontFace, right.wsFontFace) == 0 &&
+         FXSYS_memcmp(&left.FontSignature, &right.FontSignature,
+                      sizeof(FX_FONTSIGNATURE)) == 0;
+}
+#define FX_FONTMATCHPARA_MacthStyle 0x01
+#define FX_FONTMATCHPARA_MacthFamily 0x02
+#define FX_FONTMATCHPARA_MacthUnicode 0x04
+typedef void (*FX_LPEnumAllFonts)(CFX_FontDescriptors& fonts,
+                                  void* pUserData,
+                                  const FX_WCHAR* pwsFaceName,
+                                  FX_WCHAR wUnicode);
+FX_LPEnumAllFonts FX_GetDefFontEnumerator();
+typedef FX_LPCFONTDESCRIPTOR (*FX_LPMatchFont)(FX_LPFONTMATCHPARAMS pParams,
+                                               const CFX_FontDescriptors& fonts,
+                                               void* pUserData);
+FX_LPMatchFont FX_GetDefFontMatchor();
+class IFX_FontMgr {
+ public:
+  static IFX_FontMgr* Create(FX_LPEnumAllFonts pEnumerator,
+                             FX_LPMatchFont pMatcher = NULL,
+                             void* pUserData = NULL);
+  virtual ~IFX_FontMgr() {}
+  virtual void Release() = 0;
+  virtual IFX_Font* GetDefFontByCodePage(
+      FX_WORD wCodePage,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByCharset(
+      uint8_t nCharset,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByUnicode(
+      FX_WCHAR wUnicode,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByLanguage(
+      FX_WORD wLanguage,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily,
+                             FX_DWORD dwFontStyles,
+                             FX_WORD wCodePage = 0xFFFF) = 0;
+  virtual IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0;
+  virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName) = 0;
+  virtual IFX_Font* LoadFont(IFX_Stream* pFontStream,
+                             const FX_WCHAR* pszFontAlias = NULL,
+                             FX_DWORD dwFontStyles = 0,
+                             FX_WORD wCodePage = 0,
+                             FX_BOOL bSaveStream = FALSE) = 0;
+  virtual IFX_Font* LoadFont(IFX_Font* pSrcFont,
+                             FX_DWORD dwFontStyles,
+                             FX_WORD wCodePage = 0xFFFF) = 0;
+  virtual void ClearFontCache() = 0;
+  virtual void RemoveFont(IFX_Font* pFont) = 0;
+};
+#else
+class IFX_FontMgrDelegate {
+ public:
+  virtual ~IFX_FontMgrDelegate() {}
+  virtual IFX_Font* GetDefFontByCodePage(
+      IFX_FontMgr* pFontMgr,
+      FX_WORD wCodePage,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByCharset(
+      IFX_FontMgr* pFontMgr,
+      uint8_t nCharset,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByUnicode(
+      IFX_FontMgr* pFontMgr,
+      FX_WCHAR wUnicode,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByLanguage(
+      IFX_FontMgr* pFontMgr,
+      FX_WORD wLanguage,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+};
+class IFX_FontSourceEnum {
+ public:
+  virtual ~IFX_FontSourceEnum() {}
+  virtual void Release() = 0;
+  virtual FX_POSITION GetStartPosition(void* pUserData = NULL) = 0;
+  virtual IFX_FileAccess* GetNext(FX_POSITION& pos, void* pUserData = NULL) = 0;
+};
+IFX_FontSourceEnum* FX_CreateDefaultFontSourceEnum();
+class IFX_FontMgr {
+ public:
+  static IFX_FontMgr* Create(IFX_FontSourceEnum* pFontEnum,
+                             IFX_FontMgrDelegate* pDelegate = NULL,
+                             void* pUserData = NULL);
+  virtual ~IFX_FontMgr() {}
+  virtual void Release() = 0;
+  virtual IFX_Font* GetDefFontByCodePage(
+      FX_WORD wCodePage,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByCharset(
+      uint8_t nCharset,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByUnicode(
+      FX_WCHAR wUnicode,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetDefFontByLanguage(
+      FX_WORD wLanguage,
+      FX_DWORD dwFontStyles,
+      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetFontByCodePage(FX_WORD wCodePage,
+                                      FX_DWORD dwFontStyles,
+                                      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  inline IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily,
+                            FX_DWORD dwFontStyles,
+                            FX_WORD wCodePage) {
+    return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
+  }
+  virtual IFX_Font* GetFontByCharset(uint8_t nCharset,
+                                     FX_DWORD dwFontStyles,
+                                     const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetFontByUnicode(FX_WCHAR wUnicode,
+                                     FX_DWORD dwFontStyles,
+                                     const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* GetFontByLanguage(FX_WORD wLanguage,
+                                      FX_DWORD dwFontStyles,
+                                      const FX_WCHAR* pszFontFamily = NULL) = 0;
+  virtual IFX_Font* LoadFont(const uint8_t* pBuffer,
+                             int32_t iLength,
+                             int32_t iFaceIndex,
+                             int32_t* pFaceCount = NULL) = 0;
+  virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName,
+                             int32_t iFaceIndex,
+                             int32_t* pFaceCount = NULL) = 0;
+  virtual IFX_Font* LoadFont(IFX_Stream* pFontStream,
+                             int32_t iFaceIndex,
+                             int32_t* pFaceCount = NULL,
+                             FX_BOOL bSaveStream = FALSE) = 0;
+
+  virtual void ClearFontCache() = 0;
+  virtual void RemoveFont(IFX_Font* pFont) = 0;
+};
+#endif
+#endif
diff --git a/xfa/src/fgas/include/fx_lbk.h b/xfa/src/fgas/include/fx_lbk.h
new file mode 100644
index 0000000000..2f0a300cd4
--- /dev/null
+++ b/xfa/src/fgas/include/fx_lbk.h
@@ -0,0 +1,39 @@
+// 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 _FX_LINEBREAK
+#define _FX_LINEBREAK
+
+#include "core/include/fxcrt/fx_system.h"
+#include "xfa/src/fgas/include/fx_utl.h"
+
+enum FX_LINEBREAKTYPE {
+  FX_LBT_UNKNOWN = 0x00,
+  FX_LBT_DIRECT_BRK = 0x1A,
+  FX_LBT_INDIRECT_BRK = 0x2B,
+  FX_LBT_COM_INDIRECT_BRK = 0x3C,
+  FX_LBT_COM_PROHIBITED_BRK = 0x4D,
+  FX_LBT_PROHIBITED_BRK = 0x5E,
+  FX_LBT_HANGUL_SPACE_BRK = 0x6F,
+};
+
+#define FX_LBUN FX_LBT_UNKNOWN
+#define FX_LBDB FX_LBT_DIRECT_BRK
+#define FX_LBIB FX_LBT_INDIRECT_BRK
+#define FX_LBCB FX_LBT_COM_INDIRECT_BRK
+#define FX_LBCP FX_LBT_COM_PROHIBITED_BRK
+#define FX_LBPB FX_LBT_PROHIBITED_BRK
+#define FX_LBHS FX_LBT_HANGUL_SPACE_BRK
+
+extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
+
+void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
+                              FX_LINEBREAKTYPE* pBrkType,
+                              int32_t iLength);
+void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
+                              int32_t iLength,
+                              CFX_Int32MassArray& bp);
+#endif
diff --git a/xfa/src/fgas/include/fx_lgg.h b/xfa/src/fgas/include/fx_lgg.h
new file mode 100644
index 0000000000..ff30c53bc7
--- /dev/null
+++ b/xfa/src/fgas/include/fx_lgg.h
@@ -0,0 +1,267 @@
+// 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 _FX_LANGUAGE
+#define _FX_LANGUAGE
+#define FX_LANG_Neutral 0x0000
+#define FX_LANG_Invariant 0x007f
+#define FX_LANG_UserDefault 0x0400
+#define FX_LANG_SystemDefault 0x0800
+#define FX_LANG_Afrikaans_SouthAfrica 0x0436
+#define FX_LANG_Albanian_Albania 0x041c
+#define FX_LANG_Alsatian_France 0x0484
+#define FX_LANG_Amharic_Ethiopia 0x045e
+#define FX_LANG_Arabic_Algeria 0x1401
+#define FX_LANG_Arabic_Bahrain 0x3c01
+#define FX_LANG_Arabic_Egypt 0x0c01
+#define FX_LANG_Arabic_Iraq 0x0801
+#define FX_LANG_Arabic_Jordan 0x2c01
+#define FX_LANG_Arabic_Kuwait 0x3401
+#define FX_LANG_Arabic_Lebanon 0x3001
+#define FX_LANG_Arabic_Libya 0x1001
+#define FX_LANG_Arabic_Morocco 0x1801
+#define FX_LANG_Arabic_Oman 0x2001
+#define FX_LANG_Arabic_Qatar 0x4001
+#define FX_LANG_Arabic_SaudiArabia 0x0401
+#define FX_LANG_Arabic_Syria 0x2801
+#define FX_LANG_Arabic_Tunisia 0x1c01
+#define FX_LANG_Arabic_UAE 0x3801
+#define FX_LANG_Arabic_Yemen 0x2401
+#define FX_LANG_Armenian_Armenia 0x042b
+#define FX_LANG_Assamese_India 0x044d
+#define FX_LANG_Azerbaijan_Cyrillic 0x082c
+#define FX_LANG_Azerbaijan_Latin 0x042c
+#define FX_LANG_Bashkir_Russia 0x046d
+#define FX_LANG_Basque_Basque 0x042d
+#define FX_LANG_Belarusian_Belarus 0x0423
+#define FX_LANG_Bengali_Bangladesh 0x0845
+#define FX_LANG_Bengali_India 0x0445
+#define FX_LANG_Bosnia_Herzegovina 0x101a
+#define FX_LANG_Bosnian_Cyrillic 0x201a
+#define FX_LANG_Bosnian_Latin 0x141a
+#define FX_LANG_Breton_France 0x047e
+#define FX_LANG_Bulgarian_Bulgaria 0x0402
+#define FX_LANG_Burmese 0x0455
+#define FX_LANG_Catalan_Catalan 0x0403
+#define FX_LANG_Cherokee 0x045c
+#define FX_LANG_Chinese_HongKong 0x0c04
+#define FX_LANG_Chinese_Macao 0x1404
+#define FX_LANG_Chinese_PRC 0x0804
+#define FX_LANG_Chinese_Singapore 0x1004
+#define FX_LANG_Chinese_Taiwan 0x0404
+#define FX_LANG_Corsican_France 0x0483
+#define FX_LANG_Croatian_Croatia 0x041a
+#define FX_LANG_Croatian_Latin 0x101a
+#define FX_LANG_CustomCurrent 0x0c00
+#define FX_LANG_CzechRepublic 0x0405
+#define FX_LANG_Danish_Denmark 0x0406
+#define FX_LANG_Dari_Afghanistan 0x048c
+#define FX_LANG_Divehi_Maldives 0x0465
+#define FX_LANG_Dutch_Belgium 0x0813
+#define FX_LANG_Dutch_Netherlands 0x0413
+#define FX_LANG_Dutch_Preferred 0x0013
+#define FX_LANG_Dzongkha 0x0851
+#define FX_LANG_Edo 0x0466
+#define FX_LANG_English_Australia 0x0c09
+#define FX_LANG_English_Belize 0x2809
+#define FX_LANG_English_Canada 0x1009
+#define FX_LANG_English_Caribbean 0x2409
+#define FX_LANG_English_HongKong 0x3c09
+#define FX_LANG_English_India 0x4009
+#define FX_LANG_English_Indonesia 0x3809
+#define FX_LANG_English_Ireland 0x1809
+#define FX_LANG_English_Jamaica 0x2009
+#define FX_LANG_English_Malaysia 0x4409
+#define FX_LANG_English_NewZealand 0x1409
+#define FX_LANG_English_Philippines 0x3409
+#define FX_LANG_English_Singapore 0x4809
+#define FX_LANG_English_SouthAfrica 0x1c09
+#define FX_LANG_English_TrinidadTobago 0x2c09
+#define FX_LANG_English_UnitedKingdom 0x0809
+#define FX_LANG_English_UnitedStates 0x0409
+#define FX_LANG_English_Zimbabwe 0x3009
+#define FX_LANG_Estonian_Estonia 0x0425
+#define FX_LANG_Faroese_FaroeIslands 0x0438
+#define FX_LANG_Filipino_Philippines 0x0464
+#define FX_LANG_Finnish_Finland 0x040b
+#define FX_LANG_French_Belgium 0x080c
+#define FX_LANG_French_Cameroon 0x2c0c
+#define FX_LANG_French_Canada 0x0c0c
+#define FX_LANG_French_CongoDRC 0x240c
+#define FX_LANG_French_CotedIvoire 0x300c
+#define FX_LANG_French_France 0x040c
+#define FX_LANG_French_Haiti 0x3c0c
+#define FX_LANG_French_Luxembourg 0x140c
+#define FX_LANG_French_Mali 0x340c
+#define FX_LANG_French_Monaco 0x180c
+#define FX_LANG_French_Morocco 0x380c
+#define FX_LANG_French_Reunion 0x200c
+#define FX_LANG_French_Senegal 0x280c
+#define FX_LANG_French_Switzerland 0x100c
+#define FX_LANG_French_WestIndies 0x1c0c
+#define FX_LANG_Frisian_Netherlands 0x0462
+#define FX_LANG_Fulfulde 0x0467
+#define FX_LANG_Gaelic_Ireland 0x083c
+#define FX_LANG_Gaelic_Scotland 0x043c
+#define FX_LANG_Galician_Galician 0x0456
+#define FX_LANG_Georgian_Georgia 0x0437
+#define FX_LANG_German_Austria 0x0c07
+#define FX_LANG_German_Germany 0x0407
+#define FX_LANG_German_Liechtenstein 0x1407
+#define FX_LANG_German_Luxembourg 0x1007
+#define FX_LANG_German_Switzerland 0x0807
+#define FX_LANG_Greek_Greece 0x0408
+#define FX_LANG_Greenlandic_Greenland 0x046f
+#define FX_LANG_Guarani 0x0474
+#define FX_LANG_Gujarati_India 0x0447
+#define FX_LANG_Hausa_LatinNigeria 0x0468
+#define FX_LANG_Hawaiian 0x0475
+#define FX_LANG_Hebrew_Israel 0x040d
+#define FX_LANG_Hindi_India 0x0439
+#define FX_LANG_Hungarian_Hungary 0x040e
+#define FX_LANG_Ibibio_Nigeria 0x0469
+#define FX_LANG_Icelandic_Iceland 0x040f
+#define FX_LANG_Igbo_Nigeria 0x0470
+#define FX_LANG_Indonesian_Indonesia 0x0421
+#define FX_LANG_Inuktitut_LatinCanada 0x085d
+#define FX_LANG_Inuktitut_SyllabicsCanada 0x045d
+#define FX_LANG_IsiXhosa_SouthAfrica 0x0434
+#define FX_LANG_IsiZulu_SouthAfrica 0x0435
+#define FX_LANG_Italian_Italy 0x0410
+#define FX_LANG_Italian_Switzerland 0x0810
+#define FX_LANG_Japanese_Japan 0x0411
+#define FX_LANG_Kannada_India 0x044b
+#define FX_LANG_Kanuri 0x0471
+#define FX_LANG_Kashmiri 0x0860
+#define FX_LANG_Kashmiri_Arabic 0x0460
+#define FX_LANG_Kazakh_Kazakhstan 0x043f
+#define FX_LANG_Khmer_Cambodia 0x0453
+#define FX_LANG_Kiche_Guatemala 0x0486
+#define FX_LANG_Kinyarwanda_Rwanda 0x0487
+#define FX_LANG_Kiswahili_Kenya 0x0441
+#define FX_LANG_Konkani_India 0x0457
+#define FX_LANG_Korean_Korea 0x0412
+#define FX_LANG_Kyrgyz_Kyrgyzstan 0x0440
+#define FX_LANG_Lao_LaoPDR 0x0454
+#define FX_LANG_Latin 0x0476
+#define FX_LANG_Latvian_Latvia 0x0426
+#define FX_LANG_Lithuanian_Lithuania 0x0427
+#define FX_LANG_LithuanianTrad 0x0827
+#define FX_LANG_Lower Sorbian_Germany 0x082e
+#define FX_LANG_Luxembourgish_Luxembourg 0x046e
+#define FX_LANG_Macedonian 0x042f
+#define FX_LANG_Malay_BruneiDarussalam 0x083e
+#define FX_LANG_Malay_Malaysia 0x043e
+#define FX_LANG_Malayalam_India 0x044c
+#define FX_LANG_Maldivian 0x0465
+#define FX_LANG_Maltese_Malta 0x043a
+#define FX_LANG_Manipuri 0x0458
+#define FX_LANG_Maori_NewZealand 0x0481
+#define FX_LANG_Mapudungun_Chile 0x047a
+#define FX_LANG_Marathi_India 0x044e
+#define FX_LANG_Mohawk_Mohawk 0x047c
+#define FX_LANG_Mongolian_CyrillicMongolia 0x0450
+#define FX_LANG_Mongolian_TraditionalMongolian 0x0850
+#define FX_LANG_Nepali_India 0x0861
+#define FX_LANG_Nepali_Nepal 0x0461
+#define FX_LANG_Norwegian_Bokmal 0x0414
+#define FX_LANG_Norwegian_Nynorsk 0x0814
+#define FX_LANG_Occitan_France 0x0482
+#define FX_LANG_Oriya_India 0x0448
+#define FX_LANG_Oromo 0x0472
+#define FX_LANG_Papiamentu 0x0479
+#define FX_LANG_Pashto_Afghanistan 0x0463
+#define FX_LANG_Persian 0x0429
+#define FX_LANG_Polish_Poland 0x0415
+#define FX_LANG_Portuguese_Brazil 0x0416
+#define FX_LANG_Portuguese_Portugal 0x0816
+#define FX_LANG_Punjabi_India 0x0446
+#define FX_LANG_Punjabi_Pakistan 0x0846
+#define FX_LANG_Quechua_Bolivia 0x046b
+#define FX_LANG_Quechua_Ecuador 0x086b
+#define FX_LANG_Quechua_Peru 0x0c6b
+#define FX_LANG_Romanian_Moldova 0x0818
+#define FX_LANG_Romanian_Romania 0x0418
+#define FX_LANG_Romansh_Switzerland 0x0417
+#define FX_LANG_Russian_Moldova 0x0819
+#define FX_LANG_Russian_Russia 0x0419
+#define FX_LANG_Sami_InariFinland 0x243b
+#define FX_LANG_Sami_LuleNorway 0x103b
+#define FX_LANG_Sami_LuleSweden 0x143b
+#define FX_LANG_Sami_NorthernFinland 0x0c3b
+#define FX_LANG_Sami_NorthernNorway 0x043b
+#define FX_LANG_Sami_NorthernSweden 0x083b
+#define FX_LANG_Sami_SkoltFinland 0x203b
+#define FX_LANG_Sami_SouthernNorway 0x183b
+#define FX_LANG_Sami_SouthernSweden 0x1c3b
+#define FX_LANG_SanskritIndia 0x044f
+#define FX_LANG_SerbianCyrillic_BosniaHerzegovina 0x1c1a
+#define FX_LANG_SerbianCyrillic_Serbia 0x0c1a
+#define FX_LANG_SerbianLatin_BosniaHerzegovina 0x181a
+#define FX_LANG_SerbianLatin_Serbia 0x081a
+#define FX_LANG_SesothoSaLeboa 0x046c
+#define FX_LANG_Setswana_SouthAfrica 0x0432
+#define FX_LANG_Sindhi_Arabic 0x0859
+#define FX_LANG_Sindhi_Devanagari 0x0459
+#define FX_LANG_Sinhala_SriLanka 0x045b
+#define FX_LANG_Slovak_Slovakia 0x041b
+#define FX_LANG_Slovenian_Slovenia 0x0424
+#define FX_LANG_Somali 0x0477
+#define FX_LANG_Spanish_Argentina 0x2c0a
+#define FX_LANG_Spanish_Bolivia 0x400a
+#define FX_LANG_Spanish_Chile 0x340a
+#define FX_LANG_Spanish_Colombia 0x240a
+#define FX_LANG_Spanish_CostaRica 0x140a
+#define FX_LANG_Spanish_DominicanRepublic 0x1c0a
+#define FX_LANG_Spanish_Ecuador 0x300a
+#define FX_LANG_Spanish_ElSalvador 0x440a
+#define FX_LANG_Spanish_Guatemala 0x100a
+#define FX_LANG_Spanish_Honduras 0x480a
+#define FX_LANG_Spanish_Mexico 0x080a
+#define FX_LANG_Spanish_Nicaragua 0x4c0a
+#define FX_LANG_Spanish_Panama 0x180a
+#define FX_LANG_Spanish_Paraguay 0x3c0a
+#define FX_LANG_Spanish_Peru 0x280a
+#define FX_LANG_Spanish_PuertoRico 0x500a
+#define FX_LANG_Spanish_InternationalSort 0x0c0a
+#define FX_LANG_Spanish_TraditionalSort 0x040a
+#define FX_LANG_Spanish_UnitedStates 0x540a
+#define FX_LANG_Spanish_Uruguay 0x380a
+#define FX_LANG_Spanish_Venezuela 0x200a
+#define FX_LANG_Sutu_SouthAfrica 0x0430
+#define FX_LANG_Swedish_Finland 0x081d
+#define FX_LANG_Swedish_Sweden 0x041d
+#define FX_LANG_Syriac_Syria 0x045a
+#define FX_LANG_Tajik_CyrillicTajikistan 0x0428
+#define FX_LANG_Tamazight_ArabicMorocco 0x045f
+#define FX_LANG_Tamazight_LatinAlgeria 0x085f
+#define FX_LANG_Tamil_India 0x0449
+#define FX_LANG_Tatar_Russia 0x0444
+#define FX_LANG_Telugu_India 0x044a
+#define FX_LANG_Thai_Thailand 0x041e
+#define FX_LANG_TibetanPRC 0x0451
+#define FX_LANG_Tigrigna_Eritrea 0x0873
+#define FX_LANG_Tigrigna_Ethiopia 0x0473
+#define FX_LANG_Tsonga 0x0431
+#define FX_LANG_Turkish_Turkey 0x041f
+#define FX_LANG_Turkmen_Turkmenistan 0x0442
+#define FX_LANG_UighurPRC 0x0480
+#define FX_LANG_Ukrainian_Ukraine 0x0422
+#define FX_LANG_UpperSorbian_Germany 0x042e
+#define FX_LANG_Urdu_Pakistan 0x0420
+#define FX_LANG_Urdu_India 0x0820
+#define FX_LANG_Uzbek_CyrillicUzbekistan 0x0843
+#define FX_LANG_Uzbek_LatinUzbekistan 0x0443
+#define FX_LANG_Venda 0x0433
+#define FX_LANG_Vietnamese_Vietnam 0x042a
+#define FX_LANG_Welsh_UnitedKingdom 0x0452
+#define FX_LANG_Wolof_Senegal 0x0488
+#define FX_LANG_Xhosa 0x0434
+#define FX_LANG_Yakut_Russia 0x0485
+#define FX_LANG_YiPRC 0x0478
+#define FX_LANG_Yiddish 0x043d
+#define FX_LANG_Yoruba_Nigeria 0x046a
+#endif
diff --git a/xfa/src/fgas/include/fx_locale.h b/xfa/src/fgas/include/fx_locale.h
new file mode 100644
index 0000000000..7ead311c53
--- /dev/null
+++ b/xfa/src/fgas/include/fx_locale.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 _FX_LOCALE_H_
+#define _FX_LOCALE_H_
+class CFX_Unitime;
+class IFX_Locale;
+class IFX_FormatString;
+class IFX_LocaleMgr;
+enum FX_LOCALENUMSYMBOL {
+  FX_LOCALENUMSYMBOL_Decimal,
+  FX_LOCALENUMSYMBOL_Grouping,
+  FX_LOCALENUMSYMBOL_Percent,
+  FX_LOCALENUMSYMBOL_Minus,
+  FX_LOCALENUMSYMBOL_Zero,
+  FX_LOCALENUMSYMBOL_CurrencySymbol,
+  FX_LOCALENUMSYMBOL_CurrencyName,
+};
+enum FX_LOCALEDATETIMESUBCATEGORY {
+  FX_LOCALEDATETIMESUBCATEGORY_Default,
+  FX_LOCALEDATETIMESUBCATEGORY_Short,
+  FX_LOCALEDATETIMESUBCATEGORY_Medium,
+  FX_LOCALEDATETIMESUBCATEGORY_Full,
+  FX_LOCALEDATETIMESUBCATEGORY_Long,
+};
+enum FX_LOCALENUMSUBCATEGORY {
+  FX_LOCALENUMPATTERN_Percent,
+  FX_LOCALENUMPATTERN_Currency,
+  FX_LOCALENUMPATTERN_Decimal,
+  FX_LOCALENUMPATTERN_Integer,
+};
+enum FX_LOCALECATEGORY {
+  FX_LOCALECATEGORY_Unknown,
+  FX_LOCALECATEGORY_Date,
+  FX_LOCALECATEGORY_Time,
+  FX_LOCALECATEGORY_DateTime,
+  FX_LOCALECATEGORY_Num,
+  FX_LOCALECATEGORY_Text,
+  FX_LOCALECATEGORY_Zero,
+  FX_LOCALECATEGORY_Null,
+};
+enum FX_DATETIMETYPE {
+  FX_DATETIMETYPE_Unknown,
+  FX_DATETIMETYPE_Date,
+  FX_DATETIMETYPE_Time,
+  FX_DATETIMETYPE_DateTime,
+  FX_DATETIMETYPE_TimeDate,
+};
+
+class IFX_Locale {
+ public:
+  static IFX_Locale* Create(CXML_Element* pLocaleData);
+
+  virtual ~IFX_Locale() {}
+  virtual void Release() = 0;
+
+  virtual CFX_WideString GetName() = 0;
+
+  virtual void GetNumbericSymbol(FX_LOCALENUMSYMBOL eType,
+                                 CFX_WideString& wsNumSymbol) const = 0;
+  virtual void GetDateTimeSymbols(CFX_WideString& wsDtSymbol) const = 0;
+  virtual void GetMonthName(int32_t nMonth,
+                            CFX_WideString& wsMonthName,
+                            FX_BOOL bAbbr = TRUE) const = 0;
+  virtual void GetDayName(int32_t nWeek,
+                          CFX_WideString& wsDayName,
+                          FX_BOOL bAbbr = TRUE) const = 0;
+  virtual void GetMeridiemName(CFX_WideString& wsMeridiemName,
+                               FX_BOOL bAM = TRUE) const = 0;
+  virtual void GetTimeZone(FX_TIMEZONE& tz) const = 0;
+  virtual void GetEraName(CFX_WideString& wsEraName,
+                          FX_BOOL bAD = TRUE) const = 0;
+  virtual void GetDatePattern(FX_LOCALEDATETIMESUBCATEGORY eType,
+                              CFX_WideString& wsPattern) const = 0;
+  virtual void GetTimePattern(FX_LOCALEDATETIMESUBCATEGORY eType,
+                              CFX_WideString& wsPattern) const = 0;
+  virtual void GetNumPattern(FX_LOCALENUMSUBCATEGORY eType,
+                             CFX_WideString& wsPattern) const = 0;
+};
+
+class IFX_LocaleMgr {
+ public:
+  virtual ~IFX_LocaleMgr() {}
+  virtual void Release() = 0;
+  virtual FX_WORD GetDefLocaleID() = 0;
+  virtual IFX_Locale* GetDefLocale() = 0;
+  virtual IFX_Locale* GetLocale(FX_WORD lcid) = 0;
+  virtual IFX_Locale* GetLocaleByName(const CFX_WideStringC& wsLocaleName) = 0;
+};
+IFX_LocaleMgr* FX_LocaleMgr_Create(const FX_WCHAR* pszLocalPath,
+                                   FX_WORD wDefaultLCID);
+void FX_ParseNumString(const CFX_WideString& wsNum, CFX_WideString& wsResult);
+FX_BOOL FX_DateFromCanonical(const CFX_WideString& wsDate,
+                             CFX_Unitime& datetime);
+FX_BOOL FX_TimeFromCanonical(const CFX_WideStringC& wsTime,
+                             CFX_Unitime& datetime,
+                             IFX_Locale* pLocale);
+class IFX_FormatString {
+ public:
+  static IFX_FormatString* Create(IFX_LocaleMgr* pLocaleMgr, FX_BOOL bUseLCID);
+
+  virtual ~IFX_FormatString() {}
+  virtual void Release() = 0;
+  virtual void SplitFormatString(const CFX_WideString& wsFormatString,
+                                 CFX_WideStringArray& wsPatterns) = 0;
+  virtual FX_LOCALECATEGORY GetCategory(const CFX_WideString& wsPattern) = 0;
+  virtual FX_WORD GetLCID(const CFX_WideString& wsPattern) = 0;
+  virtual CFX_WideString GetLocaleName(const CFX_WideString& wsPattern) = 0;
+  virtual FX_BOOL ParseText(const CFX_WideString& wsSrcText,
+                            const CFX_WideString& wsPattern,
+                            CFX_WideString& wsValue) = 0;
+  virtual FX_BOOL ParseNum(const CFX_WideString& wsSrcNum,
+                           const CFX_WideString& wsPattern,
+                           FX_FLOAT& fValue) = 0;
+  virtual FX_BOOL ParseNum(const CFX_WideString& wsSrcNum,
+                           const CFX_WideString& wsPattern,
+                           CFX_WideString& wsValue) = 0;
+  virtual FX_BOOL ParseDateTime(const CFX_WideString& wsSrcDateTime,
+                                const CFX_WideString& wsPattern,
+                                FX_DATETIMETYPE eDateTimeType,
+                                CFX_Unitime& dtValue) = 0;
+  virtual FX_BOOL ParseZero(const CFX_WideString& wsSrcText,
+                            const CFX_WideString& wsPattern) = 0;
+  virtual FX_BOOL ParseNull(const CFX_WideString& wsSrcText,
+                            const CFX_WideString& wsPattern) = 0;
+  virtual FX_BOOL FormatText(const CFX_WideString& wsSrcText,
+                             const CFX_WideString& wsPattern,
+                             CFX_WideString& wsOutput) = 0;
+  virtual FX_BOOL FormatNum(const CFX_WideString& wsSrcNum,
+                            const CFX_WideString& wsPattern,
+                            CFX_WideString& wsOutput) = 0;
+  virtual FX_BOOL FormatNum(FX_FLOAT fNum,
+                            const CFX_WideString& wsPattern,
+                            CFX_WideString& wsOutput) = 0;
+  virtual FX_BOOL FormatDateTime(const CFX_WideString& wsSrcDateTime,
+                                 const CFX_WideString& wsPattern,
+                                 CFX_WideString& wsOutput) = 0;
+  virtual FX_BOOL FormatDateTime(const CFX_WideString& wsSrcDateTime,
+                                 const CFX_WideString& wsPattern,
+                                 CFX_WideString& wsOutput,
+                                 FX_DATETIMETYPE eDateTimeType) = 0;
+  virtual FX_BOOL FormatDateTime(const CFX_Unitime& dt,
+                                 const CFX_WideString& wsPattern,
+                                 CFX_WideString& wsOutput) = 0;
+  virtual FX_BOOL FormatZero(const CFX_WideString& wsPattern,
+                             CFX_WideString& wsOutput) = 0;
+  virtual FX_BOOL FormatNull(const CFX_WideString& wsPattern,
+                             CFX_WideString& wsOutput) = 0;
+};
+class CFX_Decimal {
+ public:
+  CFX_Decimal();
+  CFX_Decimal(uint32_t val);
+  CFX_Decimal(uint64_t val);
+  CFX_Decimal(int32_t val);
+  CFX_Decimal(int64_t val);
+  CFX_Decimal(FX_FLOAT val, uint8_t scale = 3);
+  CFX_Decimal(const CFX_WideStringC& str);
+  CFX_Decimal(const CFX_ByteStringC& str);
+  operator CFX_WideString() const;
+  operator double() const;
+  FX_BOOL operator==(const CFX_Decimal& val) const;
+  FX_BOOL operator<=(const CFX_Decimal& val) const;
+  FX_BOOL operator>=(const CFX_Decimal& val) const;
+  FX_BOOL operator!=(const CFX_Decimal& val) const;
+  FX_BOOL operator<(const CFX_Decimal& val) const;
+  FX_BOOL operator>(const CFX_Decimal& val) const;
+  CFX_Decimal operator+(const CFX_Decimal& val) const;
+  CFX_Decimal operator-(const CFX_Decimal& val) const;
+  CFX_Decimal operator*(const CFX_Decimal& val) const;
+  CFX_Decimal operator/(const CFX_Decimal& val) const;
+  CFX_Decimal operator%(const CFX_Decimal& val) const;
+  void SetScale(uint8_t newScale);
+  uint8_t GetScale();
+  void SetAbs();
+  void SetNegate();
+  void SetFloor();
+  void SetCeiling();
+  void SetTruncate();
+
+ protected:
+  CFX_Decimal(uint32_t hi,
+              uint32_t mid,
+              uint32_t lo,
+              FX_BOOL neg,
+              uint8_t scale);
+  inline FX_BOOL IsNotZero() const { return m_uHi || m_uMid || m_uLo; }
+  inline int8_t Compare(const CFX_Decimal& val) const;
+  inline void Swap(CFX_Decimal& val);
+  inline void FloorOrCeil(FX_BOOL bFloor);
+  CFX_Decimal AddOrMinus(const CFX_Decimal& val, FX_BOOL isAdding) const;
+  CFX_Decimal Multiply(const CFX_Decimal& val) const;
+  CFX_Decimal Divide(const CFX_Decimal& val) const;
+  CFX_Decimal Modulus(const CFX_Decimal& val) const;
+  uint32_t m_uFlags;
+  uint32_t m_uHi;
+  uint32_t m_uLo;
+  uint32_t m_uMid;
+};
+#endif
diff --git a/xfa/src/fgas/include/fx_mem.h b/xfa/src/fgas/include/fx_mem.h
new file mode 100644
index 0000000000..5d933dc06c
--- /dev/null
+++ b/xfa/src/fgas/include/fx_mem.h
@@ -0,0 +1,56 @@
+// 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 _FX_MEMORY
+#define _FX_MEMORY
+
+#include "core/include/fxcrt/fx_memory.h"  // For FX_Alloc().
+
+class IFX_MEMAllocator;
+class CFX_Target;
+enum FX_ALLOCTYPE {
+  FX_ALLOCTYPE_Default = 0,
+  FX_ALLOCTYPE_Static,
+  FX_ALLOCTYPE_Fixed,
+  FX_ALLOCTYPE_Dynamic,
+};
+
+class IFX_MEMAllocator {
+ public:
+  virtual ~IFX_MEMAllocator() {}
+  virtual void Release() = 0;
+  virtual void* Alloc(size_t size) = 0;
+  virtual void Free(void* pBlock) = 0;
+  virtual size_t GetBlockSize() const = 0;
+  virtual size_t GetDefChunkSize() const = 0;
+  virtual size_t SetDefChunkSize(size_t size) = 0;
+  virtual size_t GetCurrentDataSize() const = 0;
+};
+
+IFX_MEMAllocator* FX_CreateAllocator(FX_ALLOCTYPE eType,
+                                     size_t chunkSize,
+                                     size_t blockSize);
+class CFX_Target {
+ public:
+  virtual ~CFX_Target() {}
+  void* operator new(size_t size) { return FX_Alloc(uint8_t, size); }
+  void operator delete(void* p) { FX_Free(p); }
+  void* operator new(size_t size, IFX_MEMAllocator* pAllocator) {
+    return pAllocator->Alloc(size);
+  }
+  void operator delete(void* p, IFX_MEMAllocator* pAllocator) {
+    pAllocator->Free(p);
+  }
+  void* operator new(size_t size, void* place) { return place; }
+  void operator delete(void* p, void* place) {}
+};
+#define FXTARGET_NewWith(__allocator__) new (__allocator__)
+#define FXTARGET_DeleteWith(__class__, __allocator__, pointer) \
+  {                                                            \
+    (pointer)->~__class__();                                   \
+    (pointer)->operator delete((pointer), (__allocator__));    \
+  }
+#endif
diff --git a/xfa/src/fgas/include/fx_rbk.h b/xfa/src/fgas/include/fx_rbk.h
new file mode 100644
index 0000000000..e344959830
--- /dev/null
+++ b/xfa/src/fgas/include/fx_rbk.h
@@ -0,0 +1,228 @@
+// 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 _FX_RTFBREAK
+#define _FX_RTFBREAK
+class IFX_Unknown;
+class IFX_Font;
+class CFX_Char;
+class CFX_RTFChar;
+class CFX_RTFBreakPiece;
+class IFX_RTFBreak;
+#define FX_RTFBREAKPOLICY_None 0x00
+#define FX_RTFBREAKPOLICY_SpaceBreak 0x01
+#define FX_RTFBREAKPOLICY_NumberBreak 0x02
+#define FX_RTFBREAKPOLICY_InfixBreak 0x04
+#define FX_RTFBREAKPOLICY_TabBreak 0x08
+#define FX_RTFBREAKPOLICY_OrphanPositionedTab 0x10
+#define FX_RTFBREAK_None 0x00
+#define FX_RTFBREAK_PieceBreak 0x01
+#define FX_RTFBREAK_LineBreak 0x02
+#define FX_RTFBREAK_ParagraphBreak 0x03
+#define FX_RTFBREAK_PageBreak 0x04
+#define FX_RTFLAYOUTSTYLE_Pagination 0x01
+#define FX_RTFLAYOUTSTYLE_VerticalLayout 0x02
+#define FX_RTFLAYOUTSTYLE_VerticalChars 0x04
+#define FX_RTFLAYOUTSTYLE_LineDirection 0x08
+#define FX_RTFLAYOUTSTYLE_ExpandTab 0x10
+#define FX_RTFLAYOUTSTYLE_ArabicNumber 0x20
+#define FX_RTFLAYOUTSTYLE_SingleLine 0x40
+#define FX_RTFLAYOUTSTYLE_MBCSCode 0x80
+#define FX_RTFCHARSTYLE_Alignment 0x000F
+#define FX_RTFCHARSTYLE_ArabicNumber 0x0010
+#define FX_RTFCHARSTYLE_ArabicShadda 0x0020
+#define FX_RTFCHARSTYLE_OddBidiLevel 0x0040
+#define FX_RTFCHARSTYLE_RTLReadingOrder 0x0080
+#define FX_RTFCHARSTYLE_ArabicContext 0x0300
+#define FX_RTFCHARSTYLE_ArabicIndic 0x0400
+#define FX_RTFCHARSTYLE_ArabicComma 0x0800
+#define FX_RTFLINEALIGNMENT_Left 0
+#define FX_RTFLINEALIGNMENT_Center 1
+#define FX_RTFLINEALIGNMENT_Right 2
+#define FX_RTFLINEALIGNMENT_Justified (1 << 2)
+#define FX_RTFLINEALIGNMENT_Distributed (2 << 2)
+#define FX_RTFLINEALIGNMENT_JustifiedLeft \
+  (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Justified)
+#define FX_RTFLINEALIGNMENT_JustifiedCenter \
+  (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Justified)
+#define FX_RTFLINEALIGNMENT_JustifiedRight \
+  (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Justified)
+#define FX_RTFLINEALIGNMENT_DistributedLeft \
+  (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Distributed)
+#define FX_RTFLINEALIGNMENT_DistributedCenter \
+  (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Distributed)
+#define FX_RTFLINEALIGNMENT_DistributedRight \
+  (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Distributed)
+#define FX_RTFLINEALIGNMENT_LowerMask 0x03
+#define FX_RTFLINEALIGNMENT_HigherMask 0x0C
+typedef struct _FX_RTFTEXTOBJ {
+  _FX_RTFTEXTOBJ() {
+    pStr = NULL;
+    pWidths = NULL;
+    iLength = 0;
+    pFont = NULL;
+    fFontSize = 12.0f;
+    dwLayoutStyles = 0;
+    iCharRotation = 0;
+    iBidiLevel = 0;
+    pRect = NULL;
+    wLineBreakChar = L'\n';
+    iHorizontalScale = 100;
+    iVerticalScale = 100;
+  }
+  const FX_WCHAR* pStr;
+  int32_t* pWidths;
+  int32_t iLength;
+  IFX_Font* pFont;
+  FX_FLOAT fFontSize;
+  FX_DWORD dwLayoutStyles;
+  int32_t iCharRotation;
+  int32_t iBidiLevel;
+  FX_LPCRECTF pRect;
+  FX_WCHAR wLineBreakChar;
+  int32_t iHorizontalScale;
+  int32_t iVerticalScale;
+} FX_RTFTEXTOBJ, *FX_LPRTFTEXTOBJ;
+typedef FX_RTFTEXTOBJ const* FX_LPCRTFTEXTOBJ;
+class CFX_RTFPiece : public CFX_Target {
+ public:
+  CFX_RTFPiece()
+      : m_dwStatus(FX_RTFBREAK_PieceBreak),
+        m_iStartPos(0),
+        m_iWidth(-1),
+        m_iStartChar(0),
+        m_iChars(0),
+        m_iBidiLevel(0),
+        m_iBidiPos(0),
+        m_iFontSize(0),
+        m_iFontHeight(0),
+        m_iHorizontalScale(100),
+        m_iVerticalScale(100),
+        m_dwLayoutStyles(0),
+        m_dwIdentity(0),
+        m_pChars(NULL),
+        m_pUserData(NULL) {}
+  ~CFX_RTFPiece() { Reset(); }
+  void AppendChar(const CFX_RTFChar& tc) {
+    FXSYS_assert(m_pChars != NULL);
+    m_pChars->Add(tc);
+    if (m_iWidth < 0) {
+      m_iWidth = tc.m_iCharWidth;
+    } else {
+      m_iWidth += tc.m_iCharWidth;
+    }
+    m_iChars++;
+  }
+  int32_t GetEndPos() const {
+    return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth;
+  }
+  int32_t GetLength() const { return m_iChars; }
+  int32_t GetEndChar() const { return m_iStartChar + m_iChars; }
+  CFX_RTFChar& GetChar(int32_t index) {
+    FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL);
+    return *m_pChars->GetDataPtr(m_iStartChar + index);
+  }
+  CFX_RTFChar* GetCharPtr(int32_t index) const {
+    FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL);
+    return m_pChars->GetDataPtr(m_iStartChar + index);
+  }
+  void GetString(FX_WCHAR* pText) const {
+    FXSYS_assert(pText != NULL);
+    int32_t iEndChar = m_iStartChar + m_iChars;
+    CFX_RTFChar* pChar;
+    for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+      pChar = m_pChars->GetDataPtr(i);
+      *pText++ = (FX_WCHAR)pChar->m_wCharCode;
+    }
+  }
+  void GetString(CFX_WideString& wsText) const {
+    FX_WCHAR* pText = wsText.GetBuffer(m_iChars);
+    GetString(pText);
+    wsText.ReleaseBuffer(m_iChars);
+  }
+  void GetWidths(int32_t* pWidths) const {
+    FXSYS_assert(pWidths != NULL);
+    int32_t iEndChar = m_iStartChar + m_iChars;
+    CFX_RTFChar* pChar;
+    for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+      pChar = m_pChars->GetDataPtr(i);
+      *pWidths++ = pChar->m_iCharWidth;
+    }
+  }
+  void Reset() {
+    m_dwStatus = FX_RTFBREAK_PieceBreak;
+    if (m_iWidth > -1) {
+      m_iStartPos += m_iWidth;
+    }
+    m_iWidth = -1;
+    m_iStartChar += m_iChars;
+    m_iChars = 0;
+    m_iBidiLevel = 0;
+    m_iBidiPos = 0;
+    m_iHorizontalScale = 100;
+    m_iVerticalScale = 100;
+  }
+  FX_DWORD m_dwStatus;
+  int32_t m_iStartPos;
+  int32_t m_iWidth;
+  int32_t m_iStartChar;
+  int32_t m_iChars;
+  int32_t m_iBidiLevel;
+  int32_t m_iBidiPos;
+  int32_t m_iFontSize;
+  int32_t m_iFontHeight;
+  int32_t m_iHorizontalScale;
+  int32_t m_iVerticalScale;
+  FX_DWORD m_dwLayoutStyles;
+  FX_DWORD m_dwIdentity;
+  CFX_RTFCharArray* m_pChars;
+  IFX_Unknown* m_pUserData;
+};
+typedef CFX_BaseArrayTemplate<CFX_RTFPiece> CFX_RTFPieceArray;
+class IFX_RTFBreak {
+ public:
+  static IFX_RTFBreak* Create(FX_DWORD dwPolicies);
+  virtual ~IFX_RTFBreak() {}
+  virtual void Release() = 0;
+  virtual void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) = 0;
+  virtual void SetLineStartPos(FX_FLOAT fLinePos) = 0;
+  virtual FX_DWORD GetLayoutStyles() const = 0;
+  virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles) = 0;
+  virtual void SetFont(IFX_Font* pFont) = 0;
+  virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
+  virtual void SetTabWidth(FX_FLOAT fTabWidth) = 0;
+  virtual void AddPositionedTab(FX_FLOAT fTabPos) = 0;
+  virtual void SetPositionedTabs(const CFX_FloatArray& tabs) = 0;
+  virtual void ClearPositionedTabs() = 0;
+  virtual void SetDefaultChar(FX_WCHAR wch) = 0;
+  virtual void SetLineBreakChar(FX_WCHAR wch) = 0;
+  virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0;
+  virtual void SetHorizontalScale(int32_t iScale) = 0;
+  virtual void SetVerticalScale(int32_t iScale) = 0;
+  virtual void SetCharRotation(int32_t iCharRotation) = 0;
+  virtual void SetCharSpace(FX_FLOAT fCharSpace) = 0;
+  virtual void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) = 0;
+  virtual void SetReadingOrder(FX_BOOL bRTL = FALSE) = 0;
+  virtual void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) = 0;
+  virtual void SetUserData(IFX_Unknown* pUserData) = 0;
+  virtual FX_DWORD AppendChar(FX_WCHAR wch) = 0;
+  virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) = 0;
+  virtual int32_t CountBreakPieces() const = 0;
+  virtual const CFX_RTFPiece* GetBreakPiece(int32_t index) const = 0;
+  virtual void GetLineRect(CFX_RectF& rect) const = 0;
+  virtual void ClearBreakPieces() = 0;
+  virtual void Reset() = 0;
+  virtual int32_t GetDisplayPos(
+      FX_LPCRTFTEXTOBJ pText,
+      FXTEXT_CHARPOS* pCharPos,
+      FX_BOOL bCharCode = FALSE,
+      CFX_WideString* pWSForms = NULL,
+      FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0;
+  virtual int32_t GetCharRects(FX_LPCRTFTEXTOBJ pText,
+                               CFX_RectFArray& rtArray,
+                               FX_BOOL bCharBBox = FALSE) const = 0;
+};
+#endif
diff --git a/xfa/src/fgas/include/fx_sax.h b/xfa/src/fgas/include/fx_sax.h
new file mode 100644
index 0000000000..70978a017b
--- /dev/null
+++ b/xfa/src/fgas/include/fx_sax.h
@@ -0,0 +1,63 @@
+// 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 _FX_SAX_
+#define _FX_SAX_
+class IFX_SAXReaderHandler;
+class IFX_SAXReader;
+#define FX_SAXPARSEMODE_NotConvert_amp 0x0001
+#define FX_SAXPARSEMODE_NotConvert_lt 0x0002
+#define FX_SAXPARSEMODE_NotConvert_gt 0x0004
+#define FX_SAXPARSEMODE_NotConvert_apos 0x0008
+#define FX_SAXPARSEMODE_NotConvert_quot 0x0010
+#define FX_SAXPARSEMODE_NotConvert_sharp 0x0020
+#define FX_SAXPARSEMODE_NotSkipSpace 0x0100
+enum FX_SAXNODE {
+  FX_SAXNODE_Unknown = 0,
+  FX_SAXNODE_Instruction,
+  FX_SAXNODE_Declaration,
+  FX_SAXNODE_Comment,
+  FX_SAXNODE_Tag,
+  FX_SAXNODE_Text,
+  FX_SAXNODE_CharData,
+};
+class IFX_SAXReaderHandler {
+ public:
+  virtual ~IFX_SAXReaderHandler() {}
+  virtual void* OnTagEnter(const CFX_ByteStringC& bsTagName,
+                           FX_SAXNODE eType,
+                           FX_DWORD dwStartPos) = 0;
+  virtual void OnTagAttribute(void* pTag,
+                              const CFX_ByteStringC& bsAttri,
+                              const CFX_ByteStringC& bsValue) = 0;
+  virtual void OnTagBreak(void* pTag) = 0;
+  virtual void OnTagData(void* pTag,
+                         FX_SAXNODE eType,
+                         const CFX_ByteStringC& bsData,
+                         FX_DWORD dwStartPos) = 0;
+  virtual void OnTagClose(void* pTag, FX_DWORD dwEndPos) = 0;
+  virtual void OnTagEnd(void* pTag,
+                        const CFX_ByteStringC& bsTagName,
+                        FX_DWORD dwEndPos) = 0;
+  virtual void OnTargetData(void* pTag,
+                            FX_SAXNODE eType,
+                            const CFX_ByteStringC& bsData,
+                            FX_DWORD dwStartPos) = 0;
+};
+class IFX_SAXReader {
+ public:
+  virtual ~IFX_SAXReader() {}
+  virtual void Release() = 0;
+  virtual int32_t StartParse(IFX_FileRead* pFile,
+                             FX_DWORD dwStart = 0,
+                             FX_DWORD dwLen = -1,
+                             FX_DWORD dwParseMode = 0) = 0;
+  virtual int32_t ContinueParse(IFX_Pause* pPause = NULL) = 0;
+  virtual void SkipCurrentNode() = 0;
+  virtual void SetHandler(IFX_SAXReaderHandler* pHandler) = 0;
+};
+IFX_SAXReader* FX_SAXReader_Create();
+#endif
diff --git a/xfa/src/fgas/include/fx_stm.h b/xfa/src/fgas/include/fx_stm.h
new file mode 100644
index 0000000000..43a2c8de08
--- /dev/null
+++ b/xfa/src/fgas/include/fx_stm.h
@@ -0,0 +1,72 @@
+// 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 _FX_STREAM
+#define _FX_STREAM
+class IFX_Stream;
+IFX_FileRead* FX_CreateFileRead(IFX_Stream* pBaseStream,
+                                FX_BOOL bReleaseStream = FALSE);
+IFX_FileRead* FX_CreateFileRead(IFX_BufferRead* pBufferRead,
+                                FX_FILESIZE iFileSize = -1,
+                                FX_BOOL bReleaseStream = TRUE);
+IFX_FileWrite* FX_CreateFileWrite(IFX_Stream* pBaseStream,
+                                  FX_BOOL bReleaseStream = FALSE);
+enum FX_STREAMACCESS {
+  FX_STREAMACCESS_Binary = 0x00,
+  FX_STREAMACCESS_Text = 0x01,
+  FX_STREAMACCESS_Read = 0x02,
+  FX_STREAMACCESS_Write = 0x04,
+  FX_STREAMACCESS_Truncate = 0x10,
+  FX_STREAMACCESS_Append = 0x20,
+  FX_STREAMACCESS_Create = 0x80,
+};
+enum FX_STREAMSEEK {
+  FX_STREAMSEEK_Begin = 0,
+  FX_STREAMSEEK_Current,
+  FX_STREAMSEEK_End,
+};
+class IFX_Stream {
+ public:
+  static IFX_Stream* CreateStream(IFX_FileRead* pFileRead, FX_DWORD dwAccess);
+  static IFX_Stream* CreateStream(IFX_FileWrite* pFileWrite, FX_DWORD dwAccess);
+  static IFX_Stream* CreateStream(const FX_WCHAR* pszFileName,
+                                  FX_DWORD dwAccess);
+  static IFX_Stream* CreateStream(uint8_t* pData,
+                                  int32_t length,
+                                  FX_DWORD dwAccess);
+  static IFX_Stream* CreateStream(IFX_BufferRead* pBufferRead,
+                                  FX_DWORD dwAccess,
+                                  int32_t iFileSize = -1,
+                                  FX_BOOL bReleaseBufferRead = TRUE);
+  static IFX_Stream* CreateTextStream(IFX_Stream* pBaseStream,
+                                      FX_BOOL bDeleteOnRelease);
+  virtual ~IFX_Stream() {}
+  virtual void Release() = 0;
+  virtual IFX_Stream* Retain() = 0;
+  virtual FX_DWORD GetAccessModes() const = 0;
+  virtual int32_t GetLength() const = 0;
+  virtual int32_t Seek(FX_STREAMSEEK eSeek, int32_t iOffset) = 0;
+  virtual int32_t GetPosition() = 0;
+  virtual FX_BOOL IsEOF() const = 0;
+  virtual int32_t ReadData(uint8_t* pBuffer, int32_t iBufferSize) = 0;
+  virtual int32_t ReadString(FX_WCHAR* pStr,
+                             int32_t iMaxLength,
+                             FX_BOOL& bEOS,
+                             int32_t const* pByteSize = NULL) = 0;
+  virtual int32_t WriteData(const uint8_t* pBuffer, int32_t iBufferSize) = 0;
+  virtual int32_t WriteString(const FX_WCHAR* pStr, int32_t iLength) = 0;
+  virtual void Flush() = 0;
+  virtual FX_BOOL SetLength(int32_t iLength) = 0;
+  virtual int32_t GetBOM(uint8_t bom[4]) const = 0;
+  virtual FX_WORD GetCodePage() const = 0;
+  virtual FX_WORD SetCodePage(FX_WORD wCodePage) = 0;
+  virtual void Lock() = 0;
+  virtual void Unlock() = 0;
+  virtual IFX_Stream* CreateSharedStream(FX_DWORD dwAccess,
+                                         int32_t iOffset,
+                                         int32_t iLength) = 0;
+};
+#endif
diff --git a/xfa/src/fgas/include/fx_sys.h b/xfa/src/fgas/include/fx_sys.h
new file mode 100644
index 0000000000..f2fe2157c6
--- /dev/null
+++ b/xfa/src/fgas/include/fx_sys.h
@@ -0,0 +1,65 @@
+// 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 _FX_SYSTEM
+#define _FX_SYSTEM
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define FX_RAD2DEG(r) ((r)*180.0f / FX_PI)
+#define FX_DEG2RAD(a) ((a)*FX_PI / 180.0f)
+typedef int8_t* FX_LPINT8;
+typedef int8_t const* FX_LPCINT8;
+typedef int32_t* FX_LPINT32;
+typedef int32_t const* FX_LPCINT32;
+typedef long FX_LONG;
+typedef FX_LONG* FX_LPLONG;
+typedef FX_LONG const* FX_LPCLONG;
+typedef FX_FLOAT const* FX_LPCFLOAT;
+typedef double FX_DOUBLE;
+typedef FX_DOUBLE* FX_LPDOUBLE;
+typedef FX_DOUBLE const* FX_LPCDOUBLE;
+FX_FLOAT FX_tan(FX_FLOAT a);
+FX_FLOAT FX_log(FX_FLOAT b, FX_FLOAT x);
+FX_FLOAT FX_strtof(const FX_CHAR* pcsStr,
+                   int32_t iLength = -1,
+                   int32_t* pUsedLen = NULL);
+FX_FLOAT FX_wcstof(const FX_WCHAR* pwsStr,
+                   int32_t iLength = -1,
+                   int32_t* pUsedLen = NULL);
+FX_WCHAR* FX_wcsncpy(FX_WCHAR* dstStr, const FX_WCHAR* srcStr, size_t count);
+int32_t FX_wcsnicmp(const FX_WCHAR* s1, const FX_WCHAR* s2, size_t count);
+int32_t FX_strnicmp(const FX_CHAR* s1, const FX_CHAR* s2, size_t count);
+inline FX_BOOL FX_islower(int32_t ch) {
+  return ch >= 'a' && ch <= 'z';
+}
+inline FX_BOOL FX_isupper(int32_t ch) {
+  return ch >= 'A' && ch <= 'Z';
+}
+inline int32_t FX_tolower(int32_t ch) {
+  return FX_isupper(ch) ? (ch + 0x20) : ch;
+}
+inline int32_t FX_toupper(int32_t ch) {
+  return FX_islower(ch) ? (ch - 0x20) : ch;
+}
+int32_t FX_filelength(FXSYS_FILE* file);
+FX_BOOL FX_fsetsize(FXSYS_FILE* file, int32_t size);
+void FX_memset(void* pBuf, int32_t iValue, size_t size);
+void FX_memcpy(void* pDst, const void* pSrc, size_t size);
+FX_BOOL FX_IsRelativePath(const CFX_WideStringC& wsPath);
+FX_BOOL FX_JoinPath(const CFX_WideStringC& wsBasePath,
+                    const CFX_WideStringC& wsRelativePath,
+                    CFX_WideString& wsAbsolutePath);
+typedef struct _FX_VERSION {
+  FX_DWORD dwMajorVersion;
+  FX_DWORD dwMinorVersion;
+  FX_DWORD dwBuildVersion;
+} FX_VERSION, *FX_LPVERSION;
+typedef FX_VERSION const* FX_LPCVERSION;
+#ifdef __cplusplus
+};
+#endif
+#endif
diff --git a/xfa/src/fgas/include/fx_tbk.h b/xfa/src/fgas/include/fx_tbk.h
new file mode 100644
index 0000000000..d9fef51f65
--- /dev/null
+++ b/xfa/src/fgas/include/fx_tbk.h
@@ -0,0 +1,214 @@
+// 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 _FX_TEXTBREAK
+#define _FX_TEXTBREAK
+
+#include "core/include/fxcrt/fx_ucd.h"
+
+class IFX_Font;
+class CFX_Char;
+class IFX_TxtAccess;
+class CFX_TxtChar;
+class CFX_TxtPiece;
+class IFX_TxtBreak;
+#define FX_TXTBREAKPOLICY_None 0x00
+#define FX_TXTBREAKPOLICY_Pagination 0x01
+#define FX_TXTBREAKPOLICY_SpaceBreak 0x02
+#define FX_TXTBREAKPOLICY_NumberBreak 0x04
+#define FX_TXTBREAK_None 0x00
+#define FX_TXTBREAK_PieceBreak 0x01
+#define FX_TXTBREAK_LineBreak 0x02
+#define FX_TXTBREAK_ParagraphBreak 0x03
+#define FX_TXTBREAK_PageBreak 0x04
+#define FX_TXTBREAK_ControlChar 0x10
+#define FX_TXTBREAK_BreakChar 0x20
+#define FX_TXTBREAK_UnknownChar 0x40
+#define FX_TXTBREAK_RemoveChar 0x80
+#define FX_TXTLAYOUTSTYLE_MutipleFormat 0x0001
+#define FX_TXTLAYOUTSTYLE_VerticalLayout 0x0002
+#define FX_TXTLAYOUTSTYLE_VerticalChars 0x0004
+#define FX_TXTLAYOUTSTYLE_ReverseLine 0x0008
+#define FX_TXTLAYOUTSTYLE_ArabicContext 0x0010
+#define FX_TXTLAYOUTSTYLE_ArabicShapes 0x0020
+#define FX_TXTLAYOUTSTYLE_RTLReadingOrder 0x0040
+#define FX_TXTLAYOUTSTYLE_ExpandTab 0x0100
+#define FX_TXTLAYOUTSTYLE_SingleLine 0x0200
+#define FX_TXTLAYOUTSTYLE_CombText 0x0400
+#define FX_TXTCHARSTYLE_Alignment 0x000F
+#define FX_TXTCHARSTYLE_ArabicNumber 0x0010
+#define FX_TXTCHARSTYLE_ArabicShadda 0x0020
+#define FX_TXTCHARSTYLE_OddBidiLevel 0x0040
+#define FX_TXTCHARSTYLE_RTLReadingOrder 0x0080
+#define FX_TXTCHARSTYLE_ArabicContext 0x0300
+#define FX_TXTCHARSTYLE_ArabicIndic 0x0400
+#define FX_TXTCHARSTYLE_ArabicComma 0x0800
+#define FX_TXTLINEALIGNMENT_Left 0
+#define FX_TXTLINEALIGNMENT_Center 1
+#define FX_TXTLINEALIGNMENT_Right 2
+#define FX_TXTLINEALIGNMENT_Justified (1 << 2)
+#define FX_TXTLINEALIGNMENT_Distributed (2 << 2)
+#define FX_TXTLINEALIGNMENT_JustifiedLeft \
+  (FX_TXTLINEALIGNMENT_Left | FX_TXTLINEALIGNMENT_Justified)
+#define FX_TXTLINEALIGNMENT_JustifiedCenter \
+  (FX_TXTLINEALIGNMENT_Center | FX_TXTLINEALIGNMENT_Justified)
+#define FX_TXTLINEALIGNMENT_JustifiedRight \
+  (FX_TXTLINEALIGNMENT_Right | FX_TXTLINEALIGNMENT_Justified)
+#define FX_TXTLINEALIGNMENT_DistributedLeft \
+  (FX_TXTLINEALIGNMENT_Left | FX_TXTLINEALIGNMENT_Distributed)
+#define FX_TXTLINEALIGNMENT_DistributedCenter \
+  (FX_TXTLINEALIGNMENT_Center | FX_TXTLINEALIGNMENT_Distributed)
+#define FX_TXTLINEALIGNMENT_DistributedRight \
+  (FX_TXTLINEALIGNMENT_Right | FX_TXTLINEALIGNMENT_Distributed)
+#define FX_TXTLINEALIGNMENT_LowerMask 0x03
+#define FX_TXTLINEALIGNMENT_HigherMask 0x0C
+#define FX_TXTBREAK_MinimumTabWidth 160000
+
+class IFX_TxtAccess {
+ public:
+  virtual ~IFX_TxtAccess() {}
+  virtual FX_WCHAR GetChar(void* pIdentity, int32_t index) const = 0;
+  virtual int32_t GetWidth(void* pIdentity, int32_t index) const = 0;
+};
+typedef struct _FX_TXTRUN {
+  _FX_TXTRUN() {
+    pAccess = NULL;
+    pIdentity = NULL;
+    pStr = NULL;
+    pWidths = NULL;
+    iLength = 0;
+    pFont = NULL;
+    fFontSize = 12;
+    dwStyles = 0;
+    iHorizontalScale = 100;
+    iVerticalScale = 100;
+    iCharRotation = 0;
+    dwCharStyles = 0;
+    pRect = NULL;
+    wLineBreakChar = L'\n';
+    bSkipSpace = TRUE;
+  }
+  IFX_TxtAccess* pAccess;
+  void* pIdentity;
+  const FX_WCHAR* pStr;
+  int32_t* pWidths;
+  int32_t iLength;
+  IFX_Font* pFont;
+  FX_FLOAT fFontSize;
+  FX_DWORD dwStyles;
+  int32_t iHorizontalScale;
+  int32_t iVerticalScale;
+  int32_t iCharRotation;
+  FX_DWORD dwCharStyles;
+  FX_LPCRECTF pRect;
+  FX_WCHAR wLineBreakChar;
+  FX_BOOL bSkipSpace;
+} FX_TXTRUN, *FX_LPTXTRUN;
+typedef FX_TXTRUN const* FX_LPCTXTRUN;
+class CFX_TxtPiece : public CFX_Target {
+ public:
+  CFX_TxtPiece()
+      : m_dwStatus(FX_TXTBREAK_PieceBreak),
+        m_iStartPos(0),
+        m_iWidth(-1),
+        m_iStartChar(0),
+        m_iChars(0),
+        m_iBidiLevel(0),
+        m_iBidiPos(0),
+        m_iHorizontalScale(100),
+        m_iVerticalScale(100),
+        m_dwCharStyles(0),
+        m_pChars(NULL),
+        m_pUserData(NULL) {}
+  int32_t GetEndPos() const {
+    return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth;
+  }
+  int32_t GetLength() const { return m_iChars; }
+  int32_t GetEndChar() const { return m_iStartChar + m_iChars; }
+  CFX_TxtChar* GetCharPtr(int32_t index) const {
+    FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL);
+    return m_pChars->GetDataPtr(m_iStartChar + index);
+  }
+  void GetString(FX_WCHAR* pText) const {
+    FXSYS_assert(pText != NULL);
+    int32_t iEndChar = m_iStartChar + m_iChars;
+    CFX_Char* pChar;
+    for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+      pChar = m_pChars->GetDataPtr(i);
+      *pText++ = (FX_WCHAR)pChar->m_wCharCode;
+    }
+  }
+
+  void GetString(CFX_WideString& wsText) const {
+    FX_WCHAR* pText = wsText.GetBuffer(m_iChars);
+    GetString(pText);
+    wsText.ReleaseBuffer(m_iChars);
+  }
+  void GetWidths(int32_t* pWidths) const {
+    FXSYS_assert(pWidths != NULL);
+    int32_t iEndChar = m_iStartChar + m_iChars;
+    CFX_Char* pChar;
+    for (int32_t i = m_iStartChar; i < iEndChar; i++) {
+      pChar = m_pChars->GetDataPtr(i);
+      *pWidths++ = pChar->m_iCharWidth;
+    }
+  }
+  FX_DWORD m_dwStatus;
+  int32_t m_iStartPos;
+  int32_t m_iWidth;
+  int32_t m_iStartChar;
+  int32_t m_iChars;
+  int32_t m_iBidiLevel;
+  int32_t m_iBidiPos;
+  int32_t m_iHorizontalScale;
+  int32_t m_iVerticalScale;
+  FX_DWORD m_dwCharStyles;
+  CFX_TxtCharArray* m_pChars;
+  void* m_pUserData;
+};
+typedef CFX_BaseArrayTemplate<CFX_TxtPiece> CFX_TxtPieceArray;
+class IFX_TxtBreak {
+ public:
+  static IFX_TxtBreak* Create(FX_DWORD dwPolicies);
+  virtual ~IFX_TxtBreak() {}
+  virtual void Release() = 0;
+  virtual void SetLineWidth(FX_FLOAT fLineWidth) = 0;
+  virtual void SetLinePos(FX_FLOAT fLinePos) = 0;
+  virtual FX_DWORD GetLayoutStyles() const = 0;
+  virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles) = 0;
+  virtual void SetFont(IFX_Font* pFont) = 0;
+  virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
+  virtual void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) = 0;
+  virtual void SetDefaultChar(FX_WCHAR wch) = 0;
+  virtual void SetParagraphBreakChar(FX_WCHAR wch) = 0;
+  virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0;
+  virtual void SetHorizontalScale(int32_t iScale) = 0;
+  virtual void SetVerticalScale(int32_t iScale) = 0;
+  virtual void SetCharRotation(int32_t iCharRotation) = 0;
+  virtual void SetCharSpace(FX_FLOAT fCharSpace) = 0;
+  virtual void SetAlignment(int32_t iAlignment) = 0;
+  virtual FX_DWORD GetContextCharStyles() const = 0;
+  virtual void SetContextCharStyles(FX_DWORD dwCharStyles) = 0;
+  virtual void SetCombWidth(FX_FLOAT fCombWidth) = 0;
+  virtual void SetUserData(void* pUserData) = 0;
+  virtual FX_DWORD AppendChar(FX_WCHAR wch) = 0;
+  virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_TXTBREAK_PieceBreak) = 0;
+  virtual int32_t CountBreakChars() const = 0;
+  virtual int32_t CountBreakPieces() const = 0;
+  virtual const CFX_TxtPiece* GetBreakPiece(int32_t index) const = 0;
+  virtual void ClearBreakPieces() = 0;
+  virtual void Reset() = 0;
+  virtual int32_t GetDisplayPos(
+      FX_LPCTXTRUN pTxtRun,
+      FXTEXT_CHARPOS* pCharPos,
+      FX_BOOL bCharCode = FALSE,
+      CFX_WideString* pWSForms = NULL,
+      FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0;
+  virtual int32_t GetCharRects(FX_LPCTXTRUN pTxtRun,
+                               CFX_RectFArray& rtArray,
+                               FX_BOOL bCharBBox = FALSE) const = 0;
+};
+#endif
diff --git a/xfa/src/fgas/include/fx_ucd.h b/xfa/src/fgas/include/fx_ucd.h
new file mode 100644
index 0000000000..6aa11ce8b4
--- /dev/null
+++ b/xfa/src/fgas/include/fx_ucd.h
@@ -0,0 +1,33 @@
+// 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 _FGAS_UNICODE_
+#define _FGAS_UNICODE_
+#define FX_JAPCHARPROPERTYEX_Left 0x01
+#define FX_JAPCHARPROPERTYEX_Center 0x02
+#define FX_JAPCHARPROPERTYEX_Right 0x03
+#define FX_JAPCHARPROPERTYEX_Top 0x10
+#define FX_JAPCHARPROPERTYEX_Middle 0x20
+#define FX_JAPCHARPROPERTYEX_Bottom 0x30
+typedef struct _FX_JAPCHARPROPERTYEX {
+  FX_WCHAR wChar;
+  uint8_t uAlign;
+} FX_JAPCHARPROPERTYEX, *FX_LPJAPCHARPROPERTYEX;
+typedef FX_JAPCHARPROPERTYEX const* FX_LPCJAPCHARPROPERTYEX;
+FX_LPCJAPCHARPROPERTYEX FX_GetJapCharPropertyEx(FX_WCHAR wch);
+typedef FX_BOOL (*FX_AdjustCharDisplayPos)(FX_WCHAR wch,
+                                           FX_BOOL bMBCSCode,
+                                           IFX_Font* pFont,
+                                           FX_FLOAT fFontSize,
+                                           FX_BOOL bVertical,
+                                           CFX_PointF& ptOffset);
+FX_BOOL FX_AdjustJapCharDisplayPos(FX_WCHAR wch,
+                                   FX_BOOL bMBCSCode,
+                                   IFX_Font* pFont,
+                                   FX_FLOAT fFontSize,
+                                   FX_BOOL bVertical,
+                                   CFX_PointF& ptOffset);
+#endif
diff --git a/xfa/src/fgas/include/fx_utl.h b/xfa/src/fgas/include/fx_utl.h
new file mode 100644
index 0000000000..0e4a35a651
--- /dev/null
+++ b/xfa/src/fgas/include/fx_utl.h
@@ -0,0 +1,724 @@
+// 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 _FX_UTILS
+#define _FX_UTILS
+
+#include "fx_mem.h"
+#include "core/include/fxcrt/fx_coordinates.h"  // For CFX_Rect.
+
+class CFX_ThreadLock;
+class CFX_BaseArray;
+template <class baseType>
+class CFX_BaseArrayTemplate;
+template <class baseType>
+class CFX_ObjectBaseArrayTemplate;
+class CFX_BaseMassArray;
+class CFX_BaseMassArrayImp;
+template <class baseType>
+class CFX_MassArrayTemplate;
+template <class baseType>
+class CFX_ObjectMassArrayTemplate;
+class CFX_BaseDiscreteArray;
+template <class baseType>
+class CFX_DiscreteArrayTemplate;
+class CFX_BaseStack;
+template <class baseType>
+class CFX_StackTemplate;
+template <class baseType>
+class CFX_ObjectStackTemplate;
+template <class baseType>
+class CFX_CPLTreeNode;
+template <class baseType>
+class CFX_CPLTree;
+class FX_BASEARRAYDATA;
+
+class CFX_ThreadLock {
+ public:
+  CFX_ThreadLock();
+  virtual ~CFX_ThreadLock();
+  void Lock();
+  void Unlock();
+};
+class CFX_BaseArray : public CFX_Target {
+ protected:
+  CFX_BaseArray(int32_t iGrowSize, int32_t iBlockSize);
+  ~CFX_BaseArray();
+  int32_t GetSize() const;
+  int32_t GetBlockSize() const;
+  uint8_t* AddSpaceTo(int32_t index);
+  uint8_t* GetAt(int32_t index) const;
+  uint8_t* GetBuffer() const;
+  int32_t Append(const CFX_BaseArray& src,
+                 int32_t iStart = 0,
+                 int32_t iCount = -1);
+  int32_t Copy(const CFX_BaseArray& src,
+               int32_t iStart = 0,
+               int32_t iCount = -1);
+  int32_t RemoveLast(int32_t iCount = -1);
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE);
+
+  FX_BASEARRAYDATA* m_pData;
+};
+template <class baseType>
+class CFX_BaseArrayTemplate : public CFX_BaseArray {
+ public:
+  CFX_BaseArrayTemplate(int32_t iGrowSize = 100)
+      : CFX_BaseArray(iGrowSize, sizeof(baseType)) {}
+  CFX_BaseArrayTemplate(int32_t iGrowSize, int32_t iBlockSize)
+      : CFX_BaseArray(iGrowSize, iBlockSize) {}
+  int32_t GetSize() const { return CFX_BaseArray::GetSize(); }
+  int32_t GetBlockSize() const { return CFX_BaseArray::GetBlockSize(); }
+  baseType* AddSpace() {
+    return (baseType*)CFX_BaseArray::AddSpaceTo(CFX_BaseArray::GetSize());
+  }
+  int32_t Add(const baseType& element) {
+    int32_t index = CFX_BaseArray::GetSize();
+    *(baseType*)CFX_BaseArray::AddSpaceTo(index) = element;
+    return index;
+  }
+  baseType* GetBuffer() const { return (baseType*)CFX_BaseArray::GetBuffer(); }
+  baseType& GetAt(int32_t index) const {
+    return *(baseType*)CFX_BaseArray::GetAt(index);
+  }
+  baseType* GetPtrAt(int32_t index) const {
+    return (baseType*)CFX_BaseArray::GetAt(index);
+  }
+  void SetAt(int32_t index, const baseType& element) {
+    *(baseType*)CFX_BaseArray::GetAt(index) = element;
+  }
+  void SetAtGrow(int32_t index, const baseType& element) {
+    *(baseType*)CFX_BaseArray::AddSpaceTo(index) = element;
+  }
+  int32_t Append(const CFX_BaseArrayTemplate& src,
+                 int32_t iStart = 0,
+                 int32_t iCount = -1) {
+    return CFX_BaseArray::Append(src, iStart, iCount);
+  }
+  int32_t Copy(const CFX_BaseArrayTemplate& src,
+               int32_t iStart = 0,
+               int32_t iCount = -1) {
+    return CFX_BaseArray::Copy(src, iStart, iCount);
+  }
+  int32_t RemoveLast(int32_t iCount = -1) {
+    return CFX_BaseArray::RemoveLast(iCount);
+  }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    CFX_BaseArray::RemoveAll(bLeaveMemory);
+  }
+};
+typedef CFX_BaseArrayTemplate<void*> CFDE_PtrArray;
+typedef CFX_BaseArrayTemplate<FX_DWORD> CFDE_DWordArray;
+typedef CFX_BaseArrayTemplate<FX_WORD> CFDE_WordArray;
+template <class baseType>
+class CFX_ObjectBaseArrayTemplate : public CFX_BaseArray {
+ public:
+  CFX_ObjectBaseArrayTemplate(int32_t iGrowSize = 100)
+      : CFX_BaseArray(iGrowSize, sizeof(baseType)) {}
+  ~CFX_ObjectBaseArrayTemplate() { RemoveAll(FALSE); }
+  int32_t GetSize() const { return CFX_BaseArray::GetSize(); }
+  int32_t GetBlockSize() const { return CFX_BaseArray::GetBlockSize(); }
+  int32_t Add(const baseType& element) {
+    int32_t index = CFX_BaseArray::GetSize();
+    baseType* p = (baseType*)CFX_BaseArray::AddSpaceTo(index);
+    new ((void*)p) baseType(element);
+    return index;
+  }
+  baseType& GetAt(int32_t index) const {
+    return *(baseType*)CFX_BaseArray::GetAt(index);
+  }
+  baseType* GetPtrAt(int32_t index) const {
+    return (baseType*)CFX_BaseArray::GetAt(index);
+  }
+  int32_t Append(const CFX_ObjectBaseArrayTemplate& src,
+                 int32_t iStart = 0,
+                 int32_t iCount = -1) {
+    FXSYS_assert(GetBlockSize() == src.GetBlockSize());
+    if (iCount == 0) {
+      return 0;
+    }
+    int32_t iSize = src.GetSize();
+    FXSYS_assert(iStart > -1 && iStart < iSize);
+    if (iCount < 0) {
+      iCount = iSize;
+    }
+    if (iStart + iCount > iSize) {
+      iCount = iSize - iStart;
+    }
+    if (iCount < 1) {
+      return 0;
+    }
+    iSize = CFX_BaseArray::GetSize();
+    CFX_BaseArray::AddSpaceTo(iSize + iCount - 1);
+    uint8_t** pStart = CFX_BaseArray::GetAt(iSize);
+    int32_t iBlockSize = CFX_BaseArray::GetBlockSize();
+    iSize = iStart + iCount;
+    for (int32_t i = iStart; i < iSize; i++) {
+      FXTARGET_NewWith((void*)pStart) baseType(src.GetAt(i));
+      pStart += iBlockSize;
+    }
+    return iCount;
+  }
+  int32_t Copy(const CFX_ObjectBaseArrayTemplate& src,
+               int32_t iStart = 0,
+               int32_t iCount = -1) {
+    FXSYS_assert(GetBlockSize() == src.GetBlockSize());
+    if (iCount == 0) {
+      return 0;
+    }
+    int32_t iSize = src.GetSize();
+    FXSYS_assert(iStart > -1 && iStart < iSize);
+    if (iCount < 0) {
+      iCount = iSize;
+    }
+    if (iStart + iCount > iSize) {
+      iCount = iSize - iStart;
+    }
+    if (iCount < 1) {
+      return 0;
+    }
+    RemoveAll(TRUE);
+    CFX_BaseArray::AddSpaceTo(iCount - 1);
+    uint8_t** pStart = CFX_BaseArray::GetAt(0);
+    int32_t iBlockSize = CFX_BaseArray::GetBlockSize();
+    iSize = iStart + iCount;
+    for (int32_t i = iStart; i < iSize; i++) {
+      new ((void*)pStart) baseType(src.GetAt(i));
+      pStart += iBlockSize;
+    }
+    return iCount;
+  }
+  int32_t RemoveLast(int32_t iCount = -1) {
+    int32_t iSize = CFX_BaseArray::GetSize();
+    if (iCount < 0 || iCount > iSize) {
+      iCount = iSize;
+    }
+    if (iCount == 0) {
+      return iSize;
+    }
+    for (int32_t i = iSize - iCount; i < iSize; i++) {
+      ((baseType*)GetPtrAt(i))->~baseType();
+    }
+    return CFX_BaseArray::RemoveLast(iCount);
+  }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    int32_t iSize = CFX_BaseArray::GetSize();
+    for (int32_t i = 0; i < iSize; i++) {
+      ((baseType*)GetPtrAt(i))->~baseType();
+    }
+    CFX_BaseArray::RemoveAll(bLeaveMemory);
+  }
+};
+class CFX_BaseMassArray : public CFX_Target {
+ protected:
+  CFX_BaseMassArray(int32_t iChunkSize, int32_t iBlockSize);
+  ~CFX_BaseMassArray();
+  int32_t GetSize() const;
+  uint8_t* AddSpaceTo(int32_t index);
+  uint8_t* GetAt(int32_t index) const;
+  int32_t Append(const CFX_BaseMassArray& src,
+                 int32_t iStart = 0,
+                 int32_t iCount = -1);
+  int32_t Copy(const CFX_BaseMassArray& src,
+               int32_t iStart = 0,
+               int32_t iCount = -1);
+  int32_t RemoveLast(int32_t iCount = -1);
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE);
+  CFX_BaseMassArrayImp* m_pData;
+};
+template <class baseType>
+class CFX_MassArrayTemplate : public CFX_BaseMassArray {
+ public:
+  CFX_MassArrayTemplate(int32_t iChunkSize = 100)
+      : CFX_BaseMassArray(iChunkSize, sizeof(baseType)) {}
+  CFX_MassArrayTemplate(int32_t iChunkSize, int32_t iBlockSize)
+      : CFX_BaseMassArray(iChunkSize, iBlockSize) {}
+  int32_t GetSize() const { return CFX_BaseMassArray::GetSize(); }
+  baseType* AddSpace() {
+    return (baseType*)CFX_BaseMassArray::AddSpaceTo(
+        CFX_BaseMassArray::GetSize());
+  }
+  int32_t Add(const baseType& element) {
+    int32_t index = CFX_BaseMassArray::GetSize();
+    *(baseType*)CFX_BaseMassArray::AddSpaceTo(index) = element;
+    return index;
+  }
+  baseType& GetAt(int32_t index) const {
+    return *(baseType*)CFX_BaseMassArray::GetAt(index);
+  }
+  baseType* GetPtrAt(int32_t index) const {
+    return (baseType*)CFX_BaseMassArray::GetAt(index);
+  }
+  void SetAt(int32_t index, const baseType& element) {
+    *(baseType*)CFX_BaseMassArray::GetAt(index) = element;
+  }
+  void SetAtGrow(int32_t index, const baseType& element) {
+    *(baseType*)CFX_BaseMassArray::AddSpaceTo(index) = element;
+  }
+  int32_t Append(const CFX_MassArrayTemplate& src,
+                 int32_t iStart = 0,
+                 int32_t iCount = -1) {
+    return CFX_BaseMassArray::Append(src, iStart, iCount);
+  }
+  int32_t Copy(const CFX_MassArrayTemplate& src,
+               int32_t iStart = 0,
+               int32_t iCount = -1) {
+    return CFX_BaseMassArray::Copy(src, iStart, iCount);
+  }
+  int32_t RemoveLast(int32_t iCount = -1) {
+    return CFX_BaseMassArray::RemoveLast(iCount);
+  }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    CFX_BaseMassArray::RemoveAll(bLeaveMemory);
+  }
+};
+typedef CFX_MassArrayTemplate<void*> CFX_PtrMassArray;
+typedef CFX_MassArrayTemplate<int32_t> CFX_Int32MassArray;
+typedef CFX_MassArrayTemplate<FX_DWORD> CFX_DWordMassArray;
+typedef CFX_MassArrayTemplate<FX_WORD> CFX_WordMassArray;
+typedef CFX_MassArrayTemplate<CFX_Rect> CFX_RectMassArray;
+typedef CFX_MassArrayTemplate<CFX_RectF> CFX_RectFMassArray;
+template <class baseType>
+class CFX_ObjectMassArrayTemplate : public CFX_BaseMassArray {
+ public:
+  CFX_ObjectMassArrayTemplate(int32_t iChunkSize = 100)
+      : CFX_BaseMassArray(iChunkSize, sizeof(baseType)) {}
+  ~CFX_ObjectMassArrayTemplate() { RemoveAll(FALSE); }
+  int32_t GetSize() const { return CFX_BaseMassArray::GetSize(); }
+  int32_t Add(const baseType& element) {
+    int32_t index = CFX_BaseMassArray::GetSize();
+    baseType* p = (baseType*)CFX_BaseMassArray::AddSpaceTo(index);
+    new ((void*)p) baseType(element);
+    return index;
+  }
+  baseType& GetAt(int32_t index) const {
+    return *(baseType*)CFX_BaseMassArray::GetAt(index);
+  }
+  baseType* GetPtrAt(int32_t index) const {
+    return (baseType*)CFX_BaseMassArray::GetAt(index);
+  }
+  int32_t Append(const CFX_ObjectMassArrayTemplate& src,
+                 int32_t iStart = 0,
+                 int32_t iCount = -1) {
+    if (iCount == 0) {
+      return CFX_BaseMassArray::GetSize();
+    }
+    int32_t iSize = src.GetSize();
+    FXSYS_assert(iStart > -1 && iStart < iSize);
+    if (iCount < 0) {
+      iCount = iSize;
+    }
+    int32_t iEnd = iStart + iCount;
+    if (iEnd > iSize) {
+      iEnd = iSize;
+    }
+    for (int32_t i = iStart; i < iEnd; i++) {
+      Add(src.GetAt(i));
+    }
+    return CFX_BaseMassArray::GetSize();
+  }
+  int32_t Copy(const CFX_ObjectMassArrayTemplate& src,
+               int32_t iStart = 0,
+               int32_t iCount = -1) {
+    if (iCount == 0) {
+      return CFX_BaseMassArray::GetSize();
+    }
+    int32_t iSize = src.GetSize();
+    FXSYS_assert(iStart > -1 && iStart < iSize);
+    if (iCount < 0) {
+      iCount = iSize;
+    }
+    int32_t iEnd = iStart + iCount;
+    if (iEnd > iSize) {
+      iEnd = iSize;
+    }
+    RemoveAll(TRUE);
+    for (int32_t i = iStart; i < iEnd; i++) {
+      Add(src.GetAt(i));
+    }
+    return CFX_BaseMassArray::GetSize();
+  }
+  int32_t RemoveLast(int32_t iCount = -1) {
+    int32_t iSize = CFX_BaseMassArray::GetSize();
+    if (iCount < 0 || iCount > iSize) {
+      iCount = iSize;
+    }
+    if (iCount == 0) {
+      return iSize;
+    }
+    for (int32_t i = iSize - iCount; i < iSize; i++) {
+      ((baseType*)GetPtrAt(i))->~baseType();
+    }
+    return CFX_BaseMassArray::RemoveLast(iCount);
+  }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    int32_t iSize = CFX_BaseMassArray::GetSize();
+    for (int32_t i = 0; i < iSize; i++) {
+      ((baseType*)GetPtrAt(i))->~baseType();
+    }
+    CFX_BaseMassArray::RemoveAll(bLeaveMemory);
+  }
+};
+class CFX_BaseDiscreteArray : public CFX_Target {
+ protected:
+  CFX_BaseDiscreteArray(int32_t iChunkSize, int32_t iBlockSize);
+  ~CFX_BaseDiscreteArray();
+  uint8_t* AddSpaceTo(int32_t index);
+  uint8_t* GetAt(int32_t index) const;
+  void RemoveAll();
+  void* m_pData;
+};
+template <class baseType>
+class CFX_DiscreteArrayTemplate : public CFX_BaseDiscreteArray {
+ public:
+  CFX_DiscreteArrayTemplate(int32_t iChunkSize = 100)
+      : CFX_BaseDiscreteArray(iChunkSize, sizeof(baseType)) {}
+  baseType& GetAt(int32_t index, const baseType& defValue) const {
+    baseType* p = (baseType*)CFX_BaseDiscreteArray::GetAt(index);
+    return p == NULL ? (baseType&)defValue : *p;
+  }
+  baseType* GetPtrAt(int32_t index) const {
+    return (baseType*)CFX_BaseDiscreteArray::GetAt(index);
+  }
+  void SetAtGrow(int32_t index, const baseType& element) {
+    *(baseType*)CFX_BaseDiscreteArray::AddSpaceTo(index) = element;
+  }
+  void RemoveAll() { CFX_BaseDiscreteArray::RemoveAll(); }
+};
+typedef CFX_DiscreteArrayTemplate<void*> CFX_PtrDiscreteArray;
+typedef CFX_DiscreteArrayTemplate<FX_DWORD> CFX_DWordDiscreteArray;
+typedef CFX_DiscreteArrayTemplate<FX_WORD> CFX_WordDiscreteArray;
+class CFX_BaseStack : public CFX_Target {
+ protected:
+  CFX_BaseStack(int32_t iChunkSize, int32_t iBlockSize);
+  ~CFX_BaseStack();
+  uint8_t* Push();
+  void Pop();
+  uint8_t* GetTopElement() const;
+  int32_t GetSize() const;
+  uint8_t* GetAt(int32_t index) const;
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE);
+  CFX_BaseMassArrayImp* m_pData;
+};
+template <class baseType>
+class CFX_StackTemplate : public CFX_BaseStack {
+ public:
+  CFX_StackTemplate(int32_t iChunkSize = 100)
+      : CFX_BaseStack(iChunkSize, sizeof(baseType)) {}
+  int32_t Push(const baseType& element) {
+    int32_t index = CFX_BaseStack::GetSize();
+    *(baseType*)CFX_BaseStack::Push() = element;
+    return index;
+  }
+  void Pop() { CFX_BaseStack::Pop(); }
+  baseType* GetTopElement() const {
+    return (baseType*)CFX_BaseStack::GetTopElement();
+  }
+  int32_t GetSize() const { return CFX_BaseStack::GetSize(); }
+  baseType* GetAt(int32_t index) const {
+    return (baseType*)CFX_BaseStack::GetAt(index);
+  }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    CFX_BaseStack::RemoveAll(bLeaveMemory);
+  }
+};
+typedef CFX_StackTemplate<void*> CFX_PtrStack;
+typedef CFX_StackTemplate<FX_DWORD> CFX_DWordStack;
+typedef CFX_StackTemplate<FX_WORD> CFX_WordStack;
+typedef CFX_StackTemplate<int32_t> CFX_Int32Stack;
+template <class baseType>
+class CFX_ObjectStackTemplate : public CFX_BaseStack {
+ public:
+  CFX_ObjectStackTemplate(int32_t iChunkSize = 100)
+      : CFX_BaseStack(iChunkSize, sizeof(baseType)) {}
+  ~CFX_ObjectStackTemplate() { RemoveAll(); }
+  int32_t Push(const baseType& element) {
+    int32_t index = CFX_BaseStack::GetSize();
+    baseType* p = (baseType*)CFX_BaseStack::Push();
+    new ((void*)p) baseType(element);
+    return index;
+  }
+  void Pop() {
+    baseType* p = (baseType*)CFX_BaseStack::GetTopElement();
+    if (p != NULL) {
+      p->~baseType();
+    }
+    CFX_BaseStack::Pop();
+  }
+  baseType* GetTopElement() const {
+    return (baseType*)CFX_BaseStack::GetTopElement();
+  }
+  int32_t GetSize() const { return CFX_BaseStack::GetSize(); }
+  baseType* GetAt(int32_t index) const {
+    return (baseType*)CFX_BaseStack::GetAt(index);
+  }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    int32_t iSize = CFX_BaseStack::GetSize();
+    for (int32_t i = 0; i < iSize; i++) {
+      ((baseType*)CFX_BaseStack::GetAt(i))->~baseType();
+    }
+    CFX_BaseStack::RemoveAll(bLeaveMemory);
+  }
+  int32_t Copy(const CFX_ObjectStackTemplate& src,
+               int32_t iStart = 0,
+               int32_t iCount = -1) {
+    if (iCount == 0) {
+      return CFX_BaseStack::GetSize();
+    }
+    int32_t iSize = src.GetSize();
+    FXSYS_assert(iStart > -1 && iStart < iSize);
+    if (iCount < 0) {
+      iCount = iSize;
+    }
+    int32_t iEnd = iStart + iCount;
+    if (iEnd > iSize) {
+      iEnd = iSize;
+    }
+    RemoveAll(TRUE);
+    for (int32_t i = iStart; i < iEnd; i++) {
+      Push(*src.GetAt(i));
+    }
+    return CFX_BaseStack::GetSize();
+  }
+};
+template <class baseType>
+class CFX_CPLTreeNode : public CFX_Target {
+ public:
+  typedef CFX_CPLTreeNode<baseType> CPLTreeNode;
+  CFX_CPLTreeNode()
+      : m_pParentNode(NULL),
+        m_pChildNode(NULL),
+        m_pPrevNode(NULL),
+        m_pNextNode(NULL),
+        m_Data() {}
+  enum TreeNode {
+    Root = 0,
+    Parent,
+    FirstSibling,
+    PreviousSibling,
+    NextSibling,
+    LastSibling,
+    FirstNeighbor,
+    PreviousNeighbor,
+    NextNeighbor,
+    LastNeighbor,
+    FirstChild,
+    LastChild
+  };
+  CPLTreeNode* GetNode(TreeNode eNode) const {
+    switch (eNode) {
+      case Root: {
+        CPLTreeNode* pParent = (CPLTreeNode*)this;
+        CPLTreeNode* pTemp;
+        while ((pTemp = pParent->m_pParentNode) != NULL) {
+          pParent = pTemp;
+        }
+        return pParent;
+      }
+      case Parent:
+        return m_pParentNode;
+      case FirstSibling: {
+        CPLTreeNode* pNode = (CPLTreeNode*)this;
+        CPLTreeNode* pTemp;
+        while ((pTemp = pNode->m_pPrevNode) != NULL) {
+          pNode = pTemp;
+        }
+        return pNode == (CPLTreeNode*)this ? NULL : pNode;
+      }
+      case PreviousSibling:
+        return m_pPrevNode;
+      case NextSibling:
+        return m_pNextNode;
+      case LastSibling: {
+        CPLTreeNode* pNode = (CPLTreeNode*)this;
+        CPLTreeNode* pTemp;
+        while ((pTemp = pNode->m_pNextNode) != NULL) {
+          pNode = pTemp;
+        }
+        return pNode == (CPLTreeNode*)this ? NULL : pNode;
+      }
+      case FirstNeighbor: {
+        CPLTreeNode* pParent = (CPLTreeNode*)this;
+        CPLTreeNode* pTemp;
+        while ((pTemp = pParent->m_pParentNode) != NULL) {
+          pParent = pTemp;
+        }
+        return pParent == (CPLTreeNode*)this ? NULL : pParent;
+      }
+      case PreviousNeighbor: {
+        if (m_pPrevNode == NULL) {
+          return m_pParentNode;
+        }
+        CPLTreeNode* pNode = m_pPrevNode;
+        CPLTreeNode* pTemp;
+        while ((pTemp = pNode->m_pChildNode) != NULL) {
+          pNode = pTemp;
+          while ((pTemp = pNode->m_pNextNode) != NULL) {
+            pNode = pTemp;
+          }
+        }
+        return pNode;
+      }
+      case NextNeighbor: {
+        if (m_pChildNode != NULL) {
+          return m_pChildNode;
+        }
+        if (m_pNextNode != NULL) {
+          return m_pNextNode;
+        }
+        CPLTreeNode* pNode = m_pParentNode;
+        while (pNode != NULL) {
+          if (pNode->m_pNextNode != NULL) {
+            return pNode->m_pNextNode;
+          }
+          pNode = pNode->m_pParentNode;
+        }
+        return NULL;
+      }
+      case LastNeighbor: {
+        CPLTreeNode* pNode = (CPLTreeNode*)this;
+        CPLTreeNode* pTemp;
+        while ((pTemp = pNode->m_pParentNode) != NULL) {
+          pNode = pTemp;
+        }
+        while (TRUE) {
+          CPLTreeNode* pTemp;
+          while ((pTemp = pNode->m_pNextNode) != NULL) {
+            pNode = pTemp;
+          }
+          if (pNode->m_pChildNode == NULL) {
+            break;
+          }
+          pNode = pNode->m_pChildNode;
+        }
+        return pNode == (CPLTreeNode*)this ? NULL : pNode;
+      }
+      case FirstChild:
+        return m_pChildNode;
+      case LastChild: {
+        if (m_pChildNode == NULL) {
+          return NULL;
+        }
+        CPLTreeNode* pChild = m_pChildNode;
+        CPLTreeNode* pTemp;
+        while ((pTemp = pChild->m_pNextNode) != NULL) {
+          pChild = pTemp;
+        }
+        return pChild;
+      }
+      default:
+        break;
+    }
+    return NULL;
+  }
+  void SetParentNode(CPLTreeNode* pNode) { m_pParentNode = pNode; }
+  int32_t CountChildNodes() const {
+    int32_t iCount = 0;
+    CPLTreeNode* pNode = m_pChildNode;
+    while (pNode) {
+      iCount++;
+      pNode = pNode->m_pNextNode;
+    }
+    return iCount;
+  }
+  CPLTreeNode* GetChildNode(int32_t iIndex) const {
+    int32_t iCount = 0;
+    CPLTreeNode* pNode = m_pChildNode;
+    while (pNode) {
+      if (iIndex == iCount) {
+        return pNode;
+      }
+      iCount++;
+      pNode = pNode->m_pNextNode;
+    }
+    return NULL;
+  }
+  int32_t GetNodeIndex() const {
+    int32_t index = 0;
+    CPLTreeNode* pNode = m_pPrevNode;
+    while (pNode != NULL) {
+      index++;
+      pNode = pNode->m_pPrevNode;
+    }
+    return index;
+  }
+  FX_BOOL IsParentNode(const CPLTreeNode* pNode) const {
+    CPLTreeNode* pParent = m_pParentNode;
+    while (pParent != NULL) {
+      if (pParent == pNode) {
+        return TRUE;
+      }
+      pParent = pParent->GetTreeNode(Parent);
+    }
+    return FALSE;
+  }
+  FX_BOOL IsChildNode(const CPLTreeNode* pNode) const {
+    if (pNode == NULL) {
+      return FALSE;
+    }
+    return pNode->IsParentNode((const CPLTreeNode*)this);
+  }
+  void SetChildNode(CPLTreeNode* pNode) { m_pChildNode = pNode; }
+  void SetPrevNode(CPLTreeNode* pNode) { m_pPrevNode = pNode; }
+  void SetNextNode(CPLTreeNode* pNode) { m_pNextNode = pNode; }
+  int32_t GetNodeLevel() const {
+    int32_t iLevel = 0;
+    CPLTreeNode* pNode = (CPLTreeNode*)this;
+    while ((pNode = pNode->m_pParentNode) != NULL) {
+      iLevel++;
+    }
+    return iLevel;
+  }
+  FX_BOOL IsRootNode() const { return m_pParentNode == NULL; }
+  baseType GetData() const { return m_Data; }
+  void SetData(baseType data) { m_Data = data; }
+
+ protected:
+  CPLTreeNode* m_pParentNode;
+  CPLTreeNode* m_pChildNode;
+  CPLTreeNode* m_pPrevNode;
+  CPLTreeNode* m_pNextNode;
+  baseType m_Data;
+  friend class CFX_CPLTree<baseType>;
+};
+template <class baseType>
+class CFX_CPLTree {
+ public:
+  typedef CFX_CPLTreeNode<baseType> CPLTreeNode;
+  CFX_CPLTree() : m_Root() {}
+  ~CFX_CPLTree() {
+    CPLTreeNode* pNode = m_Root.GetNode(CPLTreeNode::LastNeighbor);
+    while (pNode != NULL) {
+      if (pNode->IsRootNode()) {
+        break;
+      }
+      CPLTreeNode* pTemp = pNode->GetNode(CPLTreeNode::PreviousNeighbor);
+      delete pNode;
+      pNode = pTemp;
+    }
+  }
+  CPLTreeNode* GetRoot() { return &m_Root; }
+  CPLTreeNode* AddChild(baseType data, CPLTreeNode* pParent = NULL) {
+    if (pParent == NULL) {
+      pParent = &m_Root;
+    }
+    CPLTreeNode* pChild = new CPLTreeNode;
+    pChild->SetParentNode(pParent);
+    pChild->SetData(data);
+    if (pParent->m_pChildNode == NULL) {
+      pParent->m_pChildNode = pChild;
+    } else {
+      CPLTreeNode* pLast = pParent->GetNode(CPLTreeNode::LastChild);
+      pChild->SetPrevNode(pLast);
+      pLast->SetNextNode(pChild);
+    }
+    return pChild;
+  }
+
+ protected:
+  CPLTreeNode m_Root;
+};
+#endif