Cleanup FDE interfaces.

xfa/fde/tto/fde_textout.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 XFA_FDE_TTO_FDE_TEXTOUT_H_
 #define XFA_FDE_TTO_FDE_TEXTOUT_H_
 
 #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
 #define FDE_TTOSTYLE_VerticalLayout 0x0004
 #define FDE_TTOSTYLE_SingleLine 0x0010
 #define FDE_TTOSTYLE_ExpandTab 0x0020
 #define FDE_TTOSTYLE_HotKey 0x0040
 #define FDE_TTOSTYLE_Ellipsis 0x0080
 #define FDE_TTOSTYLE_LineWrap 0x0100
 #define FDE_TTOSTYLE_ArabicShapes 0x0200
 #define FDE_TTOSTYLE_RTL 0x0400
 #define FDE_TTOSTYLE_ArabicContext 0x0800
 #define FDE_TTOSTYLE_LastLineHeight 0x1000
 #define FDE_TTOALIGNMENT_TopLeft 0
 #define FDE_TTOALIGNMENT_TopCenter 1
 #define FDE_TTOALIGNMENT_TopRight 2
 #define FDE_TTOALIGNMENT_TopAuto 3
 #define FDE_TTOALIGNMENT_CenterLeft 4
 #define FDE_TTOALIGNMENT_Center 5
 #define FDE_TTOALIGNMENT_CenterRight 6
 #define FDE_TTOALIGNMENT_CenterAuto 7
 #define FDE_TTOALIGNMENT_BottomLeft 8
 #define FDE_TTOALIGNMENT_BottomCenter 9
 #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:
-  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_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:
+  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_