Cleanup FDE interfaces.

This CL removes IFDE_TextOut, IFDE_Path, IFDE_RenderContext, IFDE_RenderDevice,
and IFDE_VisualSetIterator in favour of the concrete classes.

BUG=pdfium:468

Review URL: https://codereview.chromium.org/1896893003

2 files changed, 172 insertions, 248 deletions

diff --git a/xfa/fde/tto/fde_textout.cpp b/xfa/fde/tto/fde_textout.cpp
index 7895b785f3..a18fbbd0ae 100644
--- a/xfa/fde/tto/fde_textout.cpp
+++ b/xfa/fde/tto/fde_textout.cpp
@@ -10,180 +10,13 @@
 
 #include "core/fxcrt/include/fx_coordinates.h"
 #include "core/fxcrt/include/fx_system.h"
+#include "xfa/fde/cfde_path.h"
+#include "xfa/fde/fde_gedevice.h"
 #include "xfa/fde/fde_object.h"
-#include "xfa/fde/fde_renderdevice.h"
 #include "xfa/fgas/crt/fgas_memory.h"
 #include "xfa/fgas/crt/fgas_utils.h"
 #include "xfa/fgas/layout/fgas_textbreak.h"
 
-namespace {
-
-struct FDE_TTOPIECE {
- public:
-  int32_t iStartChar;
-  int32_t iChars;
-  uint32_t dwCharStyles;
-  CFX_RectF rtPiece;
-};
-typedef FDE_TTOPIECE* FDE_LPTTOPIECE;
-typedef CFX_MassArrayTemplate<FDE_TTOPIECE> CFDE_TTOPieceArray;
-
-class CFDE_TTOLine : public CFX_Target {
- public:
-  CFDE_TTOLine();
-  CFDE_TTOLine(const CFDE_TTOLine& ttoLine);
-  ~CFDE_TTOLine();
-  int32_t AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece);
-  int32_t GetSize() const;
-  FDE_LPTTOPIECE GetPtrAt(int32_t index);
-  void RemoveLast(int32_t iCount);
-  void RemoveAll(FX_BOOL bLeaveMemory);
-  FX_BOOL m_bNewReload;
-  CFDE_TTOPieceArray m_pieces;
-
- protected:
-  int32_t m_iPieceCount;
-};
-typedef CFX_ObjectMassArrayTemplate<CFDE_TTOLine> CFDE_TTOLineArray;
-
-class CFDE_TextOut : public IFDE_TextOut, public CFX_Target {
- public:
-  CFDE_TextOut();
-  ~CFDE_TextOut();
-  virtual void Release() { delete this; }
-  virtual void SetFont(IFX_Font* pFont);
-  virtual void SetFontSize(FX_FLOAT fFontSize);
-  virtual void SetTextColor(FX_ARGB color);
-  virtual void SetStyles(uint32_t dwStyles);
-  virtual void SetTabWidth(FX_FLOAT fTabWidth);
-  virtual void SetEllipsisString(const CFX_WideString& wsEllipsis);
-  virtual void SetParagraphBreakChar(FX_WCHAR wch);
-  virtual void SetAlignment(int32_t iAlignment);
-  virtual void SetLineSpace(FX_FLOAT fLineSpace);
-  virtual void SetDIBitmap(CFX_DIBitmap* pDIB);
-  virtual void SetRenderDevice(CFX_RenderDevice* pDevice);
-  virtual void SetClipRect(const CFX_Rect& rtClip);
-  virtual void SetClipRect(const CFX_RectF& rtClip);
-  virtual void SetMatrix(const CFX_Matrix& matrix);
-  virtual void SetLineBreakTolerance(FX_FLOAT fTolerance);
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_Size& size);
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_SizeF& size);
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_Rect& rect);
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_RectF& rect);
-
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        int32_t x,
-                        int32_t y);
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        FX_FLOAT x,
-                        FX_FLOAT y);
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        const CFX_Rect& rect);
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        const CFX_RectF& rect);
-
-  virtual void SetLogicClipRect(const CFX_RectF& rtClip);
-  virtual void CalcLogicSize(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             CFX_SizeF& size);
-  virtual void CalcLogicSize(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             CFX_RectF& rect);
-  virtual void DrawLogicText(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             FX_FLOAT x,
-                             FX_FLOAT y);
-  virtual void DrawLogicText(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             const CFX_RectF& rect);
-  virtual int32_t GetTotalLines();
-
- protected:
-  void CalcTextSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
-  FX_BOOL RetrieveLineWidth(uint32_t dwBreakStatus,
-                            FX_FLOAT& fStartPos,
-                            FX_FLOAT& fWidth,
-                            FX_FLOAT& fHeight);
-  void SetLineWidth(CFX_RectF& rect);
-  void DrawText(const FX_WCHAR* pwsStr,
-                int32_t iLength,
-                const CFX_RectF& rect,
-                const CFX_RectF& rtClip);
-  void LoadText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_RectF& rect);
-  void LoadEllipsis();
-  void ExpandBuffer(int32_t iSize, int32_t iType);
-  void RetrieveEllPieces(int32_t*& pCharWidths);
-
-  void Reload(const CFX_RectF& rect);
-  void ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect);
-  FX_BOOL RetriecePieces(uint32_t dwBreakStatus,
-                         int32_t& iStartChar,
-                         int32_t& iPieceWidths,
-                         FX_BOOL bReload,
-                         const CFX_RectF& rect);
-  void AppendPiece(const FDE_TTOPIECE& ttoPiece,
-                   FX_BOOL bNeedReload,
-                   FX_BOOL bEnd);
-  void ReplaceWidthEllipsis();
-  void DoAlignment(const CFX_RectF& rect);
-  void OnDraw(const CFX_RectF& rtClip);
-  int32_t GetDisplayPos(FDE_LPTTOPIECE pPiece);
-  int32_t GetCharRects(FDE_LPTTOPIECE pPiece);
-
-  FX_TXTRUN ToTextRun(const FDE_LPTTOPIECE pPiece);
-  void DrawLine(const FDE_LPTTOPIECE pPiece, CFDE_Pen*& pPen);
-
-  CFX_TxtBreak* m_pTxtBreak;
-  IFX_Font* m_pFont;
-  FX_FLOAT m_fFontSize;
-  FX_FLOAT m_fLineSpace;
-  FX_FLOAT m_fLinePos;
-  FX_FLOAT m_fTolerance;
-  int32_t m_iAlignment;
-  int32_t m_iTxtBkAlignment;
-  int32_t* m_pCharWidths;
-  int32_t m_iChars;
-  int32_t* m_pEllCharWidths;
-  int32_t m_iEllChars;
-  FX_WCHAR m_wParagraphBkChar;
-  FX_ARGB m_TxtColor;
-  uint32_t m_dwStyles;
-  uint32_t m_dwTxtBkStyles;
-  CFX_WideString m_wsEllipsis;
-  FX_BOOL m_bElliChanged;
-  int32_t m_iEllipsisWidth;
-  CFX_WideString m_wsText;
-  CFX_RectF m_rtClip;
-  CFX_RectF m_rtLogicClip;
-  CFX_Matrix m_Matrix;
-  CFDE_TTOLineArray m_ttoLines;
-  int32_t m_iCurLine;
-  int32_t m_iCurPiece;
-  int32_t m_iTotalLines;
-  FXTEXT_CHARPOS* m_pCharPos;
-  int32_t m_iCharPosSize;
-  IFDE_RenderDevice* m_pRenderDevice;
-  CFX_Int32Array m_hotKeys;
-  CFX_RectFArray m_rectArray;
-};
-
-}  // namespace
-
-IFDE_TextOut* IFDE_TextOut::Create() {
-  return new CFDE_TextOut;
-}
 CFDE_TextOut::CFDE_TextOut()
     : m_pFont(NULL),
       m_fFontSize(12.0f),
@@ -299,19 +132,25 @@ void CFDE_TextOut::SetLineSpace(FX_FLOAT fLineSpace) {
   m_fLineSpace = fLineSpace;
 }
 void CFDE_TextOut::SetDIBitmap(CFX_DIBitmap* pDIB) {
-  FXSYS_assert(pDIB != NULL);
-  if (m_pRenderDevice != NULL) {
+  FXSYS_assert(pDIB);
+
+  if (m_pRenderDevice)
     m_pRenderDevice->Release();
-  }
-  m_pRenderDevice = IFDE_RenderDevice::Create(pDIB);
+
+  CFX_FxgeDevice* device = new CFX_FxgeDevice;
+  device->Attach(pDIB, 0, FALSE);
+  m_pRenderDevice = new CFDE_RenderDevice(device, FALSE);
 }
+
 void CFDE_TextOut::SetRenderDevice(CFX_RenderDevice* pDevice) {
-  FXSYS_assert(pDevice != NULL);
-  if (m_pRenderDevice != NULL) {
+  FXSYS_assert(pDevice);
+
+  if (m_pRenderDevice)
     m_pRenderDevice->Release();
-  }
-  m_pRenderDevice = IFDE_RenderDevice::Create(pDevice);
+
+  m_pRenderDevice = new CFDE_RenderDevice(pDevice, FALSE);
 }
+
 void CFDE_TextOut::SetClipRect(const CFX_Rect& rtClip) {
   m_rtClip.Set((FX_FLOAT)rtClip.left, (FX_FLOAT)rtClip.top,
                (FX_FLOAT)rtClip.Width(), (FX_FLOAT)rtClip.Height());
@@ -834,7 +673,7 @@ void CFDE_TextOut::ReplaceWidthEllipsis() {
     int32_t iCharCount = 0;
     int32_t iPiece = pLine->GetSize();
     while (iPiece-- > 0) {
-      FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(iPiece);
+      FDE_TTOPIECE* pPiece = pLine->GetPtrAt(iPiece);
       if (pPiece == NULL) {
         break;
       }
@@ -876,7 +715,7 @@ void CFDE_TextOut::ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect) {
   const FX_WCHAR* pwsStr = m_wsText.c_str();
   FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout);
   int32_t iPieceWidths = 0;
-  FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(0);
+  FDE_TTOPIECE* pPiece = pLine->GetPtrAt(0);
   int32_t iStartChar = pPiece->iStartChar;
   m_fLinePos = bVertical ? pPiece->rtPiece.left : pPiece->rtPiece.top;
   int32_t iPieceCount = pLine->GetSize();
@@ -911,7 +750,7 @@ void CFDE_TextOut::DoAlignment(const CFX_RectF& rect) {
     return;
   }
   CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(iLines - 1);
-  FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(0);
+  FDE_TTOPIECE* pPiece = pLine->GetPtrAt(0);
   if (pPiece == NULL) {
     return;
   }
@@ -931,7 +770,7 @@ void CFDE_TextOut::DoAlignment(const CFX_RectF& rect) {
     CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i);
     int32_t iPieces = pLine->GetSize();
     for (int32_t j = 0; j < iPieces; j++) {
-      FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j);
+      FDE_TTOPIECE* pPiece = pLine->GetPtrAt(j);
       if (bVertical) {
         pPiece->rtPiece.left += fInc;
       } else {
@@ -959,7 +798,7 @@ void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) {
     CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i);
     int32_t iPieces = pLine->GetSize();
     for (int32_t j = 0; j < iPieces; j++) {
-      FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j);
+      FDE_TTOPIECE* pPiece = pLine->GetPtrAt(j);
       if (pPiece == NULL) {
         continue;
       }
@@ -976,19 +815,19 @@ void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) {
   delete pPen;
 }
 
-int32_t CFDE_TextOut::GetDisplayPos(FDE_LPTTOPIECE pPiece) {
+int32_t CFDE_TextOut::GetDisplayPos(FDE_TTOPIECE* pPiece) {
   FX_TXTRUN tr = ToTextRun(pPiece);
   ExpandBuffer(tr.iLength, 2);
   return m_pTxtBreak->GetDisplayPos(&tr, m_pCharPos);
 }
 
-int32_t CFDE_TextOut::GetCharRects(FDE_LPTTOPIECE pPiece) {
+int32_t CFDE_TextOut::GetCharRects(const FDE_TTOPIECE* pPiece) {
   FX_TXTRUN tr = ToTextRun(pPiece);
   m_rectArray.RemoveAll();
   return m_pTxtBreak->GetCharRects(&tr, m_rectArray);
 }
 
-FX_TXTRUN CFDE_TextOut::ToTextRun(const FDE_LPTTOPIECE pPiece) {
+FX_TXTRUN CFDE_TextOut::ToTextRun(const FDE_TTOPIECE* pPiece) {
   FX_TXTRUN tr;
   tr.wsStr = m_wsText + pPiece->iStartChar;
   tr.pWidths = m_pCharWidths + pPiece->iStartChar;
@@ -1002,7 +841,7 @@ FX_TXTRUN CFDE_TextOut::ToTextRun(const FDE_LPTTOPIECE pPiece) {
   return tr;
 }
 
-void CFDE_TextOut::DrawLine(const FDE_LPTTOPIECE pPiece, CFDE_Pen*& pPen) {
+void CFDE_TextOut::DrawLine(const FDE_TTOPIECE* pPiece, CFDE_Pen*& pPen) {
   FX_BOOL bUnderLine = !!(m_dwStyles & FDE_TTOSTYLE_Underline);
   FX_BOOL bStrikeOut = !!(m_dwStyles & FDE_TTOSTYLE_Strikeout);
   FX_BOOL bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey);
@@ -1014,7 +853,7 @@ void CFDE_TextOut::DrawLine(const FDE_LPTTOPIECE pPiece, CFDE_Pen*& pPen) {
     pPen = new CFDE_Pen;
     pPen->SetColor(m_TxtColor);
   }
-  IFDE_Path* pPath = IFDE_Path::Create();
+  CFDE_Path* pPath = new CFDE_Path;
   int32_t iLineCount = 0;
   CFX_RectF rtText = pPiece->rtPiece;
   CFX_PointF pt1, pt2;
@@ -1100,7 +939,7 @@ int32_t CFDE_TTOLine::AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece) {
 int32_t CFDE_TTOLine::GetSize() const {
   return m_iPieceCount;
 }
-FDE_LPTTOPIECE CFDE_TTOLine::GetPtrAt(int32_t index) {
+FDE_TTOPIECE* CFDE_TTOLine::GetPtrAt(int32_t index) {
   if (index >= m_iPieceCount) {
     return NULL;
   }
diff --git a/xfa/fde/tto/fde_textout.h b/xfa/fde/tto/fde_textout.h
index e20c00a2e0..e3e87a780a 100644
--- a/xfa/fde/tto/fde_textout.h
+++ b/xfa/fde/tto/fde_textout.h
@@ -9,7 +9,10 @@
 
 #include "core/fxge/include/fx_dib.h"
 #include "core/fxge/include/fx_ge.h"
+#include "xfa/fde/fde_object.h"
+#include "xfa/fgas/crt/fgas_utils.h"
 #include "xfa/fgas/font/fgas_font.h"
+#include "xfa/fgas/layout/fgas_textbreak.h"
 
 #define FDE_TTOSTYLE_Underline 0x0001
 #define FDE_TTOSTYLE_Strikeout 0x0002
@@ -36,67 +39,149 @@
 #define FDE_TTOALIGNMENT_BottomRight 10
 #define FDE_TTOALIGNMENT_BottomAuto 11
 
-class IFDE_TextOut {
+class CFDE_RenderDevice;
+class CFX_TxtBreak;
+
+struct FDE_TTOPIECE {
+  int32_t iStartChar;
+  int32_t iChars;
+  uint32_t dwCharStyles;
+  CFX_RectF rtPiece;
+};
+typedef CFX_MassArrayTemplate<FDE_TTOPIECE> CFDE_TTOPieceArray;
+
+class CFDE_TTOLine : public CFX_Target {
+ public:
+  CFDE_TTOLine();
+  CFDE_TTOLine(const CFDE_TTOLine& ttoLine);
+  ~CFDE_TTOLine();
+  int32_t AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece);
+  int32_t GetSize() const;
+  FDE_TTOPIECE* GetPtrAt(int32_t index);
+  void RemoveLast(int32_t iCount);
+  void RemoveAll(FX_BOOL bLeaveMemory);
+
+  FX_BOOL m_bNewReload;
+  CFDE_TTOPieceArray m_pieces;
+
+ protected:
+  int32_t m_iPieceCount;
+};
+typedef CFX_ObjectMassArrayTemplate<CFDE_TTOLine> CFDE_TTOLineArray;
+
+class CFDE_TextOut : public CFX_Target {
  public:
-  static IFDE_TextOut* Create();
-  virtual ~IFDE_TextOut() {}
-  virtual void Release() = 0;
-  virtual void SetFont(IFX_Font* pFont) = 0;
-  virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
-  virtual void SetTextColor(FX_ARGB color) = 0;
-  virtual void SetStyles(uint32_t dwStyles) = 0;
-  virtual void SetTabWidth(FX_FLOAT fTabWidth) = 0;
-  virtual void SetEllipsisString(const CFX_WideString& wsEllipsis) = 0;
-  virtual void SetParagraphBreakChar(FX_WCHAR wch) = 0;
-  virtual void SetAlignment(int32_t iAlignment) = 0;
-  virtual void SetLineSpace(FX_FLOAT fLineSpace) = 0;
-  virtual void SetDIBitmap(CFX_DIBitmap* pDIB) = 0;
-  virtual void SetRenderDevice(CFX_RenderDevice* pDevice) = 0;
-  virtual void SetClipRect(const CFX_Rect& rtClip) = 0;
-  virtual void SetClipRect(const CFX_RectF& rtClip) = 0;
-  virtual void SetMatrix(const CFX_Matrix& matrix) = 0;
-  virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0;
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_Size& size) = 0;
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_SizeF& size) = 0;
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_Rect& rect) = 0;
-  virtual void CalcSize(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        CFX_RectF& rect) = 0;
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        int32_t x,
-                        int32_t y) = 0;
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        FX_FLOAT x,
-                        FX_FLOAT y) = 0;
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        const CFX_Rect& rect) = 0;
-  virtual void DrawText(const FX_WCHAR* pwsStr,
-                        int32_t iLength,
-                        const CFX_RectF& rect) = 0;
-  virtual void SetLogicClipRect(const CFX_RectF& rtClip) = 0;
-  virtual void CalcLogicSize(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             CFX_SizeF& size) = 0;
-  virtual void CalcLogicSize(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             CFX_RectF& rect) = 0;
-  virtual void DrawLogicText(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             FX_FLOAT x,
-                             FX_FLOAT y) = 0;
-  virtual void DrawLogicText(const FX_WCHAR* pwsStr,
-                             int32_t iLength,
-                             const CFX_RectF& rect) = 0;
-  virtual int32_t GetTotalLines() = 0;
+  CFDE_TextOut();
+  ~CFDE_TextOut();
+
+  void Release() { delete this; }
+  void SetFont(IFX_Font* pFont);
+  void SetFontSize(FX_FLOAT fFontSize);
+  void SetTextColor(FX_ARGB color);
+  void SetStyles(uint32_t dwStyles);
+  void SetTabWidth(FX_FLOAT fTabWidth);
+  void SetEllipsisString(const CFX_WideString& wsEllipsis);
+  void SetParagraphBreakChar(FX_WCHAR wch);
+  void SetAlignment(int32_t iAlignment);
+  void SetLineSpace(FX_FLOAT fLineSpace);
+  void SetDIBitmap(CFX_DIBitmap* pDIB);
+  void SetRenderDevice(CFX_RenderDevice* pDevice);
+  void SetClipRect(const CFX_Rect& rtClip);
+  void SetClipRect(const CFX_RectF& rtClip);
+  void SetMatrix(const CFX_Matrix& matrix);
+  void SetLineBreakTolerance(FX_FLOAT fTolerance);
+  void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_Size& size);
+  void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_SizeF& size);
+  void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_Rect& rect);
+  void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
+
+  void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, int32_t x, int32_t y);
+  void DrawText(const FX_WCHAR* pwsStr,
+                int32_t iLength,
+                FX_FLOAT x,
+                FX_FLOAT y);
+  void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_Rect& rect);
+  void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_RectF& rect);
+
+  void SetLogicClipRect(const CFX_RectF& rtClip);
+  void CalcLogicSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_SizeF& size);
+  void CalcLogicSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
+  void DrawLogicText(const FX_WCHAR* pwsStr,
+                     int32_t iLength,
+                     FX_FLOAT x,
+                     FX_FLOAT y);
+  void DrawLogicText(const FX_WCHAR* pwsStr,
+                     int32_t iLength,
+                     const CFX_RectF& rect);
+  int32_t GetTotalLines();
+
+ protected:
+  void CalcTextSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
+  FX_BOOL RetrieveLineWidth(uint32_t dwBreakStatus,
+                            FX_FLOAT& fStartPos,
+                            FX_FLOAT& fWidth,
+                            FX_FLOAT& fHeight);
+  void SetLineWidth(CFX_RectF& rect);
+  void DrawText(const FX_WCHAR* pwsStr,
+                int32_t iLength,
+                const CFX_RectF& rect,
+                const CFX_RectF& rtClip);
+  void LoadText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_RectF& rect);
+  void LoadEllipsis();
+  void ExpandBuffer(int32_t iSize, int32_t iType);
+  void RetrieveEllPieces(int32_t*& pCharWidths);
+
+  void Reload(const CFX_RectF& rect);
+  void ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect);
+  FX_BOOL RetriecePieces(uint32_t dwBreakStatus,
+                         int32_t& iStartChar,
+                         int32_t& iPieceWidths,
+                         FX_BOOL bReload,
+                         const CFX_RectF& rect);
+  void AppendPiece(const FDE_TTOPIECE& ttoPiece,
+                   FX_BOOL bNeedReload,
+                   FX_BOOL bEnd);
+  void ReplaceWidthEllipsis();
+  void DoAlignment(const CFX_RectF& rect);
+  void OnDraw(const CFX_RectF& rtClip);
+  int32_t GetDisplayPos(FDE_TTOPIECE* pPiece);
+  int32_t GetCharRects(const FDE_TTOPIECE* pPiece);
+
+  FX_TXTRUN ToTextRun(const FDE_TTOPIECE* pPiece);
+  void DrawLine(const FDE_TTOPIECE* pPiece, CFDE_Pen*& pPen);
+
+  CFX_TxtBreak* m_pTxtBreak;
+  IFX_Font* m_pFont;
+  FX_FLOAT m_fFontSize;
+  FX_FLOAT m_fLineSpace;
+  FX_FLOAT m_fLinePos;
+  FX_FLOAT m_fTolerance;
+  int32_t m_iAlignment;
+  int32_t m_iTxtBkAlignment;
+  int32_t* m_pCharWidths;
+  int32_t m_iChars;
+  int32_t* m_pEllCharWidths;
+  int32_t m_iEllChars;
+  FX_WCHAR m_wParagraphBkChar;
+  FX_ARGB m_TxtColor;
+  uint32_t m_dwStyles;
+  uint32_t m_dwTxtBkStyles;
+  CFX_WideString m_wsEllipsis;
+  FX_BOOL m_bElliChanged;
+  int32_t m_iEllipsisWidth;
+  CFX_WideString m_wsText;
+  CFX_RectF m_rtClip;
+  CFX_RectF m_rtLogicClip;
+  CFX_Matrix m_Matrix;
+  CFDE_TTOLineArray m_ttoLines;
+  int32_t m_iCurLine;
+  int32_t m_iCurPiece;
+  int32_t m_iTotalLines;
+  FXTEXT_CHARPOS* m_pCharPos;
+  int32_t m_iCharPosSize;
+  CFDE_RenderDevice* m_pRenderDevice;
+  CFX_Int32Array m_hotKeys;
+  CFX_RectFArray m_rectArray;
 };
 
 #endif  // XFA_FDE_TTO_FDE_TEXTOUT_H_