clang-format all pdfium code.

core/include/fpdfdoc/fpdf_vt.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef CORE_INCLUDE_FPDFDOC_FPDF_VT_H_
 #define CORE_INCLUDE_FPDFDOC_FPDF_VT_H_
 
 #include "../fpdfapi/fpdf_parser.h"
 #include "../fxge/fx_dib.h"
 
 class IPDF_VariableText;
 class IPDF_VariableText_Iterator;
 class IPDF_VariableText_Provider;
 struct CPVT_Line;
 struct CPVT_Section;
 struct CPVT_Word;
 struct CPVT_WordPlace;
 struct CPVT_WordRange;
 
 struct CPVT_WordPlace {
-
-    CPVT_WordPlace() : nSecIndex(-1), nLineIndex(-1), nWordIndex(-1)
-    {
-    }
-
-    CPVT_WordPlace(int32_t other_nSecIndex,
-                   int32_t other_nLineIndex,
-                   int32_t other_nWordIndex)
-    {
-        nSecIndex = other_nSecIndex;
-        nLineIndex = other_nLineIndex;
-        nWordIndex = other_nWordIndex;
-    }
-
-    void Default()
-    {
-        nSecIndex = nLineIndex = nWordIndex = -1;
-    }
-
-    FX_BOOL operator == (const CPVT_WordPlace & wp) const
-    {
-        return wp.nSecIndex == nSecIndex && wp.nLineIndex == nLineIndex && wp.nWordIndex == nWordIndex;
-    }
-
-    FX_BOOL operator != (const CPVT_WordPlace & wp) const
-    {
-        return wp.nSecIndex != nSecIndex || wp.nLineIndex != nLineIndex || wp.nWordIndex != nWordIndex;
-    }
-
-    inline int32_t WordCmp(const CPVT_WordPlace & wp) const
-    {
-        if (nSecIndex > wp.nSecIndex) {
-            return 1;
-        }
-        if (nSecIndex < wp.nSecIndex) {
-            return -1;
-        }
-        if (nLineIndex > wp.nLineIndex) {
-            return 1;
-        }
-        if (nLineIndex < wp.nLineIndex) {
-            return -1;
-        }
-        if (nWordIndex > wp.nWordIndex) {
-            return 1;
-        }
-        if (nWordIndex < wp.nWordIndex) {
-            return -1;
-        }
-        return 0;
-    }
-
-    inline int32_t LineCmp(const CPVT_WordPlace & wp) const
-    {
-        if (nSecIndex > wp.nSecIndex) {
-            return 1;
-        }
-        if (nSecIndex < wp.nSecIndex) {
-            return -1;
-        }
-        if (nLineIndex > wp.nLineIndex) {
-            return 1;
-        }
-        if (nLineIndex < wp.nLineIndex) {
-            return -1;
-        }
-        return 0;
-    }
-
-    inline int32_t SecCmp(const CPVT_WordPlace & wp) const
-    {
-        if (nSecIndex > wp.nSecIndex) {
-            return 1;
-        }
-        if (nSecIndex < wp.nSecIndex) {
-            return -1;
-        }
-        return 0;
-    }
-
-    int32_t                                                     nSecIndex;
-
-    int32_t                                                     nLineIndex;
-
-    int32_t                                                     nWordIndex;
+  CPVT_WordPlace() : nSecIndex(-1), nLineIndex(-1), nWordIndex(-1) {}
+
+  CPVT_WordPlace(int32_t other_nSecIndex,
+                 int32_t other_nLineIndex,
+                 int32_t other_nWordIndex) {
+    nSecIndex = other_nSecIndex;
+    nLineIndex = other_nLineIndex;
+    nWordIndex = other_nWordIndex;
+  }
+
+  void Default() { nSecIndex = nLineIndex = nWordIndex = -1; }
+
+  FX_BOOL operator==(const CPVT_WordPlace& wp) const {
+    return wp.nSecIndex == nSecIndex && wp.nLineIndex == nLineIndex &&
+           wp.nWordIndex == nWordIndex;
+  }
+
+  FX_BOOL operator!=(const CPVT_WordPlace& wp) const {
+    return wp.nSecIndex != nSecIndex || wp.nLineIndex != nLineIndex ||
+           wp.nWordIndex != nWordIndex;
+  }
+
+  inline int32_t WordCmp(const CPVT_WordPlace& wp) const {
+    if (nSecIndex > wp.nSecIndex) {
+      return 1;
+    }
+    if (nSecIndex < wp.nSecIndex) {
+      return -1;
+    }
+    if (nLineIndex > wp.nLineIndex) {
+      return 1;
+    }
+    if (nLineIndex < wp.nLineIndex) {
+      return -1;
+    }
+    if (nWordIndex > wp.nWordIndex) {
+      return 1;
+    }
+    if (nWordIndex < wp.nWordIndex) {
+      return -1;
+    }
+    return 0;
+  }
+
+  inline int32_t LineCmp(const CPVT_WordPlace& wp) const {
+    if (nSecIndex > wp.nSecIndex) {
+      return 1;
+    }
+    if (nSecIndex < wp.nSecIndex) {
+      return -1;
+    }
+    if (nLineIndex > wp.nLineIndex) {
+      return 1;
+    }
+    if (nLineIndex < wp.nLineIndex) {
+      return -1;
+    }
+    return 0;
+  }
+
+  inline int32_t SecCmp(const CPVT_WordPlace& wp) const {
+    if (nSecIndex > wp.nSecIndex) {
+      return 1;
+    }
+    if (nSecIndex < wp.nSecIndex) {
+      return -1;
+    }
+    return 0;
+  }
+
+  int32_t nSecIndex;
+
+  int32_t nLineIndex;
+
+  int32_t nWordIndex;
 };
 struct CPVT_WordRange {
-
-    CPVT_WordRange()
-    {
-    }
-
-    CPVT_WordRange(const CPVT_WordPlace & begin, const CPVT_WordPlace & end)
-    {
-        Set(begin, end);
-    }
-
-    void Default()
-    {
-        BeginPos.Default();
-        EndPos.Default();
-    }
-
-    void Set(const CPVT_WordPlace & begin, const CPVT_WordPlace & end)
-    {
-        BeginPos = begin;
-        EndPos = end;
-        SwapWordPlace();
-    }
-
-    void SetBeginPos(const CPVT_WordPlace & begin)
-    {
-        BeginPos = begin;
-        SwapWordPlace();
-    }
-
-    void SetEndPos(const CPVT_WordPlace & end)
-    {
-        EndPos = end;
-        SwapWordPlace();
-    }
-
-    FX_BOOL IsExist() const
-    {
-        return BeginPos != EndPos;
-    }
-
-    FX_BOOL operator != (const CPVT_WordRange & wr) const
-    {
-        return wr.BeginPos != BeginPos || wr.EndPos != EndPos;
-    }
-
-    void SwapWordPlace()
-    {
-        if (BeginPos.WordCmp(EndPos) > 0) {
-            CPVT_WordPlace place = EndPos;
-            EndPos = BeginPos;
-            BeginPos = place;
-        }
-    }
-
-    CPVT_WordPlace BeginPos;
-
-    CPVT_WordPlace EndPos;
-};
-struct CPVT_SecProps  {
-
-    CPVT_SecProps() : fLineLeading(0.0f), fLineIndent(0.0f), nAlignment(0)
-    {
-    }
-
-    CPVT_SecProps(FX_FLOAT lineLeading, FX_FLOAT lineIndent, int32_t alignment) :
-        fLineLeading(lineLeading), fLineIndent(lineIndent), nAlignment(alignment)
-    {
-    }
-
-    CPVT_SecProps(const CPVT_SecProps & other) :
-        fLineLeading(other.fLineLeading), fLineIndent(other.fLineIndent), nAlignment(other.nAlignment)
-    {
-    }
-
-    FX_FLOAT                    fLineLeading;
-
-    FX_FLOAT                    fLineIndent;
-
-    int32_t                     nAlignment;
-};
-struct CPVT_WordProps  {
-
-    CPVT_WordProps() : nFontIndex(-1), fFontSize(0.0f), dwWordColor(0), nScriptType(0), nWordStyle(0),
-        fCharSpace(0.0f), nHorzScale(0)
-    {
-    }
-
-    CPVT_WordProps(int32_t      fontIndex, FX_FLOAT fontSize, FX_COLORREF wordColor = 0, int32_t scriptType = 0, int32_t wordStyle = 0,
-                   FX_FLOAT charSpace = 0, int32_t horzScale = 100) :
-        nFontIndex(fontIndex), fFontSize(fontSize), dwWordColor(wordColor), nScriptType(scriptType),
-        nWordStyle(wordStyle), fCharSpace(charSpace), nHorzScale(horzScale)
-    {
-    }
-
-    CPVT_WordProps(const CPVT_WordProps & other) :
-        nFontIndex(other.nFontIndex), fFontSize(other.fFontSize), dwWordColor(other.dwWordColor),
-        nScriptType(other.nScriptType), nWordStyle(other.nWordStyle), fCharSpace(other.fCharSpace),
-        nHorzScale(other.nHorzScale)
-    {
-    }
-
-    int32_t                                     nFontIndex;
-
-    FX_FLOAT                                    fFontSize;
-
-    FX_COLORREF                                 dwWordColor;
-
-    int32_t                                     nScriptType;
-
-    int32_t                                     nWordStyle;
-
-    FX_FLOAT                                    fCharSpace;
-
-    int32_t                                     nHorzScale;
+  CPVT_WordRange() {}
+
+  CPVT_WordRange(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) {
+    Set(begin, end);
+  }
+
+  void Default() {
+    BeginPos.Default();
+    EndPos.Default();
+  }
+
+  void Set(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) {
+    BeginPos = begin;
+    EndPos = end;
+    SwapWordPlace();
+  }
+
+  void SetBeginPos(const CPVT_WordPlace& begin) {
+    BeginPos = begin;
+    SwapWordPlace();
+  }
+
+  void SetEndPos(const CPVT_WordPlace& end) {
+    EndPos = end;
+    SwapWordPlace();
+  }
+
+  FX_BOOL IsExist() const { return BeginPos != EndPos; }
+
+  FX_BOOL operator!=(const CPVT_WordRange& wr) const {
+    return wr.BeginPos != BeginPos || wr.EndPos != EndPos;
+  }
+
+  void SwapWordPlace() {
+    if (BeginPos.WordCmp(EndPos) > 0) {
+      CPVT_WordPlace place = EndPos;
+      EndPos = BeginPos;
+      BeginPos = place;
+    }
+  }
+
+  CPVT_WordPlace BeginPos;
+
+  CPVT_WordPlace EndPos;
+};
+struct CPVT_SecProps {
+  CPVT_SecProps() : fLineLeading(0.0f), fLineIndent(0.0f), nAlignment(0) {}
+
+  CPVT_SecProps(FX_FLOAT lineLeading, FX_FLOAT lineIndent, int32_t alignment)
+      : fLineLeading(lineLeading),
+        fLineIndent(lineIndent),
+        nAlignment(alignment) {}
+
+  CPVT_SecProps(const CPVT_SecProps& other)
+      : fLineLeading(other.fLineLeading),
+        fLineIndent(other.fLineIndent),
+        nAlignment(other.nAlignment) {}
+
+  FX_FLOAT fLineLeading;
+
+  FX_FLOAT fLineIndent;
+
+  int32_t nAlignment;
+};
+struct CPVT_WordProps {
+  CPVT_WordProps()
+      : nFontIndex(-1),
+        fFontSize(0.0f),
+        dwWordColor(0),
+        nScriptType(0),
+        nWordStyle(0),
+        fCharSpace(0.0f),
+        nHorzScale(0) {}
+
+  CPVT_WordProps(int32_t fontIndex,
+                 FX_FLOAT fontSize,
+                 FX_COLORREF wordColor = 0,
+                 int32_t scriptType = 0,
+                 int32_t wordStyle = 0,
+                 FX_FLOAT charSpace = 0,
+                 int32_t horzScale = 100)
+      : nFontIndex(fontIndex),
+        fFontSize(fontSize),
+        dwWordColor(wordColor),
+        nScriptType(scriptType),
+        nWordStyle(wordStyle),
+        fCharSpace(charSpace),
+        nHorzScale(horzScale) {}
+
+  CPVT_WordProps(const CPVT_WordProps& other)
+      : nFontIndex(other.nFontIndex),
+        fFontSize(other.fFontSize),
+        dwWordColor(other.dwWordColor),
+        nScriptType(other.nScriptType),
+        nWordStyle(other.nWordStyle),
+        fCharSpace(other.fCharSpace),
+        nHorzScale(other.nHorzScale) {}
+
+  int32_t nFontIndex;
+
+  FX_FLOAT fFontSize;
+
+  FX_COLORREF dwWordColor;
+
+  int32_t nScriptType;
+
+  int32_t nWordStyle;
+
+  FX_FLOAT fCharSpace;
+
+  int32_t nHorzScale;
 };
 struct CPVT_Word {
-
-    CPVT_Word() : Word(0), nCharset(0), ptWord(0, 0), fAscent(0.0f), fDescent(0.0f), fWidth(0.0f),
-        fFontSize(0), WordProps()
-    {
-    }
-
-    FX_WORD                                             Word;
-
-    int32_t                                     nCharset;
-
-    CPVT_WordPlace                              WordPlace;
-
-    CPDF_Point                                  ptWord;
-
-    FX_FLOAT                                    fAscent;
-
-    FX_FLOAT                                    fDescent;
-
-    FX_FLOAT                                    fWidth;
-
-    int32_t                                     nFontIndex;
-
-    FX_FLOAT                                    fFontSize;
-
-    CPVT_WordProps                              WordProps;
+  CPVT_Word()
+      : Word(0),
+        nCharset(0),
+        ptWord(0, 0),
+        fAscent(0.0f),
+        fDescent(0.0f),
+        fWidth(0.0f),
+        fFontSize(0),
+        WordProps() {}
+
+  FX_WORD Word;
+
+  int32_t nCharset;
+
+  CPVT_WordPlace WordPlace;
+
+  CPDF_Point ptWord;
+
+  FX_FLOAT fAscent;
+
+  FX_FLOAT fDescent;
+
+  FX_FLOAT fWidth;
+
+  int32_t nFontIndex;
+
+  FX_FLOAT fFontSize;
+
+  CPVT_WordProps WordProps;
 };
 struct CPVT_Line {
-
-    CPVT_Line() : ptLine(0, 0), fLineWidth(0.0f), fLineAscent(0.0f), fLineDescent(0.0f)
-    {
-    }
-
-    CPVT_WordPlace                              lineplace;
-
-    CPVT_WordPlace                              lineEnd;
-
-    CPDF_Point                                  ptLine;
-
-    FX_FLOAT                                    fLineWidth;
-
-    FX_FLOAT                                    fLineAscent;
-
-    FX_FLOAT                                    fLineDescent;
+  CPVT_Line()
+      : ptLine(0, 0), fLineWidth(0.0f), fLineAscent(0.0f), fLineDescent(0.0f) {}
+
+  CPVT_WordPlace lineplace;
+
+  CPVT_WordPlace lineEnd;
+
+  CPDF_Point ptLine;
+
+  FX_FLOAT fLineWidth;
+
+  FX_FLOAT fLineAscent;
+
+  FX_FLOAT fLineDescent;
 };
 struct CPVT_Section {
-
-    CPVT_WordPlace                              secplace;
-
-    CPDF_Rect                                   rcSection;
-
-    CPVT_SecProps                               SecProps;
-
-    CPVT_WordProps                              WordProps;
-};
-class IPDF_VariableText_Provider
-{
-public:
-    virtual ~IPDF_VariableText_Provider() { }
-
-    virtual int32_t                                             GetCharWidth(int32_t nFontIndex, FX_WORD word, int32_t nWordStyle) = 0;
-
-    virtual int32_t                                             GetTypeAscent(int32_t nFontIndex) = 0;
-
-    virtual int32_t                                             GetTypeDescent(int32_t nFontIndex) = 0;
-
-    virtual int32_t                                             GetWordFontIndex(FX_WORD word, int32_t charset, int32_t nFontIndex) = 0;
-
-    virtual FX_BOOL                                                     IsLatinWord(FX_WORD word) = 0;
-
-    virtual int32_t                                             GetDefaultFontIndex() = 0;
-};
-class IPDF_VariableText_Iterator
-{
-public:
-    virtual ~IPDF_VariableText_Iterator() { }
-
-    virtual FX_BOOL                                                     NextWord() = 0;
-
-    virtual FX_BOOL                                                     PrevWord() = 0;
-
-    virtual FX_BOOL                                                     NextLine() = 0;
-
-    virtual FX_BOOL                                                     PrevLine() = 0;
-
-    virtual FX_BOOL                                                     NextSection() = 0;
-
-    virtual FX_BOOL                                                     PrevSection() = 0;
-
-    virtual FX_BOOL                                                     GetWord(CPVT_Word & word) const = 0;
-
-    virtual FX_BOOL                                                     SetWord(const CPVT_Word & word) = 0;
-
-    virtual FX_BOOL                                                     GetLine(CPVT_Line & line) const = 0;
-
-    virtual FX_BOOL                                                     GetSection(CPVT_Section & section) const = 0;
-
-    virtual     FX_BOOL                                                 SetSection(const CPVT_Section & section) = 0;
-
-    virtual void                                                        SetAt(int32_t nWordIndex) = 0;
-
-    virtual void                                                        SetAt(const CPVT_WordPlace & place) = 0;
-
-    virtual const CPVT_WordPlace &                      GetAt() const = 0;
-};
-class IPDF_VariableText
-{
-public:
-    static IPDF_VariableText*                   NewVariableText();
-
-    static void                                                 DelVariableText(IPDF_VariableText* pVT);
-
-    virtual IPDF_VariableText_Provider*         SetProvider(IPDF_VariableText_Provider * pProvider) = 0;
-
-    virtual IPDF_VariableText_Iterator*         GetIterator() = 0;
-
-    virtual void                                                        SetPlateRect(const CPDF_Rect & rect) = 0;
-
-    virtual void                                                        SetAlignment(int32_t nFormat = 0) = 0;
-
-    virtual void                                                        SetPasswordChar(FX_WORD wSubWord = '*') = 0;
-
-    virtual void                                                        SetLimitChar(int32_t nLimitChar = 0) = 0;
-
-    virtual void                                                        SetCharArray(int32_t nCharArray = 0) = 0;
-
-    virtual void                                                        SetCharSpace(FX_FLOAT fCharSpace = 0.0f) = 0;
-
-    virtual void                                                        SetHorzScale(int32_t nHorzScale = 100) = 0;
-
-    virtual void                                                        SetMultiLine(FX_BOOL bMultiLine = TRUE) = 0;
-
-    virtual void                                                        SetAutoReturn(FX_BOOL bAuto = TRUE) = 0;
-
-    virtual void                                                        SetAutoFontSize(FX_BOOL bAuto = TRUE) = 0;
-
-    virtual void                                                        SetFontSize(FX_FLOAT fFontSize) = 0;
-
-    virtual void                                                        SetLineLeading(FX_FLOAT fLineLeading) = 0;
-
-    virtual void                                                        SetRichText(FX_BOOL bRichText) = 0;
-
-    virtual void                                                        Initialize() = 0;
-
-    virtual FX_BOOL                                                     IsValid() const = 0;
-
-    virtual FX_BOOL                                                     IsRichText() const = 0;
-
-    virtual void                                                        RearrangeAll() = 0;
-
-    virtual void                                                        RearrangePart(const CPVT_WordRange & PlaceRange) = 0;
-
-    virtual void                                                        ResetAll() = 0;
-
-    virtual void                                                        SetText(const FX_WCHAR* text, int32_t charset = 1, const CPVT_SecProps * pSecProps = NULL,
-            const CPVT_WordProps * pWordProps = NULL) = 0;
-
-    virtual CPVT_WordPlace                                      InsertWord(const CPVT_WordPlace & place, FX_WORD word, int32_t charset = 1,
-            const CPVT_WordProps * pWordProps = NULL) = 0;
-
-    virtual CPVT_WordPlace                                      InsertSection(const CPVT_WordPlace & place, const CPVT_SecProps * pSecProps = NULL,
-            const CPVT_WordProps * pWordProps = NULL) = 0;
-
-    virtual CPVT_WordPlace                                      InsertText(const CPVT_WordPlace & place, const FX_WCHAR* text, int32_t charset = 1,
-            const CPVT_SecProps * pSecProps = NULL,     const CPVT_WordProps * pWordProps = NULL) = 0;
-
-    virtual CPVT_WordPlace                                      DeleteWords(const CPVT_WordRange & PlaceRange) = 0;
-
-    virtual CPVT_WordPlace                                      DeleteWord(const CPVT_WordPlace & place) = 0;
-
-    virtual CPVT_WordPlace                                      BackSpaceWord(const CPVT_WordPlace & place) = 0;
-
-    virtual const CPDF_Rect &                           GetPlateRect() const = 0;
-
-    virtual CPDF_Rect                                           GetContentRect() const = 0;
-
-    virtual int32_t                                             GetTotalWords() const = 0;
-
-    virtual FX_FLOAT                                            GetFontSize() const = 0;
-
-    virtual int32_t                                             GetAlignment() const = 0;
-
-    virtual FX_WORD                                                     GetPasswordChar() const = 0;
-
-    virtual int32_t                                             GetCharArray() const = 0;
-
-    virtual int32_t                                             GetLimitChar() const = 0;
-
-    virtual FX_BOOL                                                     IsMultiLine() const = 0;
-
-    virtual int32_t                                             GetHorzScale() const = 0;
-
-    virtual FX_FLOAT                                            GetCharSpace() const = 0;
-
-    virtual CPVT_WordPlace                                      GetBeginWordPlace() const = 0;
-
-    virtual CPVT_WordPlace                                      GetEndWordPlace() const = 0;
-
-    virtual CPVT_WordPlace                                      GetPrevWordPlace(const CPVT_WordPlace & place) const = 0;
-
-    virtual CPVT_WordPlace                                      GetNextWordPlace(const CPVT_WordPlace & place) const = 0;
-
-    virtual CPVT_WordPlace                                      SearchWordPlace(const CPDF_Point & point) const = 0;
-
-    virtual CPVT_WordPlace                                      GetUpWordPlace(const CPVT_WordPlace & place, const CPDF_Point & point) const = 0;
-
-    virtual CPVT_WordPlace                                      GetDownWordPlace(const CPVT_WordPlace & place, const CPDF_Point & point) const = 0;
-
-    virtual CPVT_WordPlace                                      GetLineBeginPlace(const CPVT_WordPlace & place) const = 0;
-
-    virtual CPVT_WordPlace                                      GetLineEndPlace(const CPVT_WordPlace & place) const = 0;
-
-    virtual CPVT_WordPlace                                      GetSectionBeginPlace(const CPVT_WordPlace & place) const = 0;
-
-    virtual CPVT_WordPlace                                      GetSectionEndPlace(const CPVT_WordPlace & place) const = 0;
-
-    virtual void                                                        UpdateWordPlace(CPVT_WordPlace & place) const = 0;
-
-    virtual CPVT_WordPlace                                      AjustLineHeader(const CPVT_WordPlace & place, FX_BOOL bPrevOrNext) const = 0;
-
-    virtual int32_t                                             WordPlaceToWordIndex(const CPVT_WordPlace & place) const = 0;
-
-    virtual CPVT_WordPlace                                      WordIndexToWordPlace(int32_t index) const = 0;
-
-protected:
-    ~IPDF_VariableText() { }
+  CPVT_WordPlace secplace;
+
+  CPDF_Rect rcSection;
+
+  CPVT_SecProps SecProps;
+
+  CPVT_WordProps WordProps;
+};
+class IPDF_VariableText_Provider {
+ public:
+  virtual ~IPDF_VariableText_Provider() {}
+
+  virtual int32_t GetCharWidth(int32_t nFontIndex,
+                               FX_WORD word,
+                               int32_t nWordStyle) = 0;
+
+  virtual int32_t GetTypeAscent(int32_t nFontIndex) = 0;
+
+  virtual int32_t GetTypeDescent(int32_t nFontIndex) = 0;
+
+  virtual int32_t GetWordFontIndex(FX_WORD word,
+                                   int32_t charset,
+                                   int32_t nFontIndex) = 0;
+
+  virtual FX_BOOL IsLatinWord(FX_WORD word) = 0;
+
+  virtual int32_t GetDefaultFontIndex() = 0;
+};
+class IPDF_VariableText_Iterator {
+ public:
+  virtual ~IPDF_VariableText_Iterator() {}
+
+  virtual FX_BOOL NextWord() = 0;
+
+  virtual FX_BOOL PrevWord() = 0;
+
+  virtual FX_BOOL NextLine() = 0;
+
+  virtual FX_BOOL PrevLine() = 0;
+
+  virtual FX_BOOL NextSection() = 0;
+
+  virtual FX_BOOL PrevSection() = 0;
+
+  virtual FX_BOOL GetWord(CPVT_Word& word) const = 0;
+
+  virtual FX_BOOL SetWord(const CPVT_Word& word) = 0;
+
+  virtual FX_BOOL GetLine(CPVT_Line& line) const = 0;
+
+  virtual FX_BOOL GetSection(CPVT_Section& section) const = 0;
+
+  virtual FX_BOOL SetSection(const CPVT_Section& section) = 0;
+
+  virtual void SetAt(int32_t nWordIndex) = 0;
+
+  virtual void SetAt(const CPVT_WordPlace& place) = 0;
+
+  virtual const CPVT_WordPlace& GetAt() const = 0;
+};
+class IPDF_VariableText {
+ public:
+  static IPDF_VariableText* NewVariableText();
+
+  static void DelVariableText(IPDF_VariableText* pVT);
+
+  virtual IPDF_VariableText_Provider* SetProvider(
+      IPDF_VariableText_Provider* pProvider) = 0;
+
+  virtual IPDF_VariableText_Iterator* GetIterator() = 0;
+
+  virtual void SetPlateRect(const CPDF_Rect& rect) = 0;
+
+  virtual void SetAlignment(int32_t nFormat = 0) = 0;
+
+  virtual void SetPasswordChar(FX_WORD wSubWord = '*') = 0;
+
+  virtual void SetLimitChar(int32_t nLimitChar = 0) = 0;
+
+  virtual void SetCharArray(int32_t nCharArray = 0) = 0;
+
+  virtual void SetCharSpace(FX_FLOAT fCharSpace = 0.0f) = 0;
+
+  virtual void SetHorzScale(int32_t nHorzScale = 100) = 0;
+
+  virtual void SetMultiLine(FX_BOOL bMultiLine = TRUE) = 0;
+
+  virtual void SetAutoReturn(FX_BOOL bAuto = TRUE) = 0;
+
+  virtual void SetAutoFontSize(FX_BOOL bAuto = TRUE) = 0;
+
+  virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
+
+  virtual void SetLineLeading(FX_FLOAT fLineLeading) = 0;
+
+  virtual void SetRichText(FX_BOOL bRichText) = 0;
+
+  virtual void Initialize() = 0;
+
+  virtual FX_BOOL IsValid() const = 0;
+
+  virtual FX_BOOL IsRichText() const = 0;
+
+  virtual void RearrangeAll() = 0;
+
+  virtual void RearrangePart(const CPVT_WordRange& PlaceRange) = 0;
+
+  virtual void ResetAll() = 0;
+
+  virtual void SetText(const FX_WCHAR* text,
+                       int32_t charset = 1,
+                       const CPVT_SecProps* pSecProps = NULL,
+                       const CPVT_WordProps* pWordProps = NULL) = 0;
+
+  virtual CPVT_WordPlace InsertWord(
+      const CPVT_WordPlace& place,
+      FX_WORD word,
+      int32_t charset = 1,
+      const CPVT_WordProps* pWordProps = NULL) = 0;
+
+  virtual CPVT_WordPlace InsertSection(
+      const CPVT_WordPlace& place,
+      const CPVT_SecProps* pSecProps = NULL,
+      const CPVT_WordProps* pWordProps = NULL) = 0;
+
+  virtual CPVT_WordPlace InsertText(
+      const CPVT_WordPlace& place,
+      const FX_WCHAR* text,
+      int32_t charset = 1,
+      const CPVT_SecProps* pSecProps = NULL,
+      const CPVT_WordProps* pWordProps = NULL) = 0;
+
+  virtual CPVT_WordPlace DeleteWords(const CPVT_WordRange& PlaceRange) = 0;
+
+  virtual CPVT_WordPlace DeleteWord(const CPVT_WordPlace& place) = 0;
+
+  virtual CPVT_WordPlace BackSpaceWord(const CPVT_WordPlace& place) = 0;
+
+  virtual const CPDF_Rect& GetPlateRect() const = 0;
+
+  virtual CPDF_Rect GetContentRect() const = 0;
+
+  virtual int32_t GetTotalWords() const = 0;
+
+  virtual FX_FLOAT GetFontSize() const = 0;
+
+  virtual int32_t GetAlignment() const = 0;
+
+  virtual FX_WORD GetPasswordChar() const = 0;
+
+  virtual int32_t GetCharArray() const = 0;
+
+  virtual int32_t GetLimitChar() const = 0;
+
+  virtual FX_BOOL IsMultiLine() const = 0;
+
+  virtual int32_t GetHorzScale() const = 0;
+
+  virtual FX_FLOAT GetCharSpace() const = 0;
+
+  virtual CPVT_WordPlace GetBeginWordPlace() const = 0;
+
+  virtual CPVT_WordPlace GetEndWordPlace() const = 0;
+
+  virtual CPVT_WordPlace GetPrevWordPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  virtual CPVT_WordPlace GetNextWordPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  virtual CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const = 0;
+
+  virtual CPVT_WordPlace GetUpWordPlace(const CPVT_WordPlace& place,
+                                        const CPDF_Point& point) const = 0;
+
+  virtual CPVT_WordPlace GetDownWordPlace(const CPVT_WordPlace& place,
+                                          const CPDF_Point& point) const = 0;
+
+  virtual CPVT_WordPlace GetLineBeginPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  virtual CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace& place) const = 0;
+
+  virtual CPVT_WordPlace GetSectionBeginPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  virtual CPVT_WordPlace GetSectionEndPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  virtual void UpdateWordPlace(CPVT_WordPlace& place) const = 0;
+
+  virtual CPVT_WordPlace AjustLineHeader(const CPVT_WordPlace& place,
+                                         FX_BOOL bPrevOrNext) const = 0;
+
+  virtual int32_t WordPlaceToWordIndex(const CPVT_WordPlace& place) const = 0;
+
+  virtual CPVT_WordPlace WordIndexToWordPlace(int32_t index) const = 0;
+
+ protected:
+  ~IPDF_VariableText() {}
 };
 
 #endif  // CORE_INCLUDE_FPDFDOC_FPDF_VT_H_