Cleanup FDE interfaces.

xfa/fde/tto/fde_textout.cpp

 // 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
 
 #include "xfa/fde/tto/fde_textout.h"
 
 #include <algorithm>
 
 #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);
-
-  void ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr);
-  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),
       m_fLineSpace(m_fFontSize),
       m_fLinePos(0.0f),
       m_fTolerance(0.0f),
       m_iAlignment(0),
       m_iTxtBkAlignment(0),
       m_pCharWidths(NULL),
       m_iChars(0),
@@ skipping 95 matching lines @@
       m_iTxtBkAlignment = FX_TXTLINEALIGNMENT_Left;
       break;
   }
   m_pTxtBreak->SetAlignment(m_iTxtBkAlignment);
 }
 void CFDE_TextOut::SetLineSpace(FX_FLOAT fLineSpace) {
   FXSYS_assert(fLineSpace > 1.0f);
   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());
 }
 void CFDE_TextOut::SetClipRect(const CFX_RectF& rtClip) {
   m_rtClip = rtClip;
 }
 void CFDE_TextOut::SetLogicClipRect(const CFX_RectF& rtClip) {
   m_rtLogicClip = rtClip;
 }
@@ skipping 502 matching lines @@
   for (int32_t i = 0; i < iLines; i++) {
     CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i);
     if (!pLine->m_bNewReload) {
       continue;
     }
     int32_t iEllipsisCharIndex = iLength - 1;
     int32_t iCharWidth = 0;
     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;
       }
       for (int32_t j = pPiece->iChars - 1; j >= 0; j--) {
         if (iEllipsisCharIndex < 0) {
           break;
         }
         int32_t index = pPiece->iStartChar + j;
         iCharWidth += m_pCharWidths[index];
         iCharCount++;
@@ skipping 21 matching lines @@
     }
     m_iCurLine = i;
     m_iCurPiece = 0;
     ReloadLinePiece(pLine, rect);
   }
 }
 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();
   int32_t iPieceIndex = 0;
   uint32_t dwBreakStatus = 0;
   FX_WCHAR wch;
   while (iPieceIndex < iPieceCount) {
     int32_t iStar = iStartChar;
     int32_t iEnd = pPiece->iChars + iStar;
     while (iStar < iEnd) {
@@ skipping 14 matching lines @@
   m_pTxtBreak->Reset();
 }
 void CFDE_TextOut::DoAlignment(const CFX_RectF& rect) {
   FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout);
   FX_FLOAT fLineStopS = bVertical ? rect.right() : rect.bottom();
   int32_t iLines = m_ttoLines.GetSize();
   if (iLines < 1) {
     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;
   }
   FX_FLOAT fLineStopD =
       bVertical ? pPiece->rtPiece.right() : pPiece->rtPiece.bottom();
   FX_FLOAT fInc = fLineStopS - fLineStopD;
   if (m_iAlignment >= FDE_TTOALIGNMENT_CenterLeft &&
       m_iAlignment < FDE_TTOALIGNMENT_BottomLeft) {
     fInc /= 2.0f;
   } else if (m_iAlignment < FDE_TTOALIGNMENT_CenterLeft) {
     fInc = 0.0f;
   }
   if (fInc < 1.0f) {
     return;
   }
   for (int32_t i = 0; i < iLines; i++) {
     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 {
         pPiece->rtPiece.top += fInc;
       }
     }
   }
 }
 void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) {
   if (m_pRenderDevice == NULL) {
     return;
   }
   int32_t iLines = m_ttoLines.GetSize();
   if (iLines < 1) {
     return;
   }
   CFDE_Brush* pBrush = new CFDE_Brush;
   pBrush->SetColor(m_TxtColor);
   CFDE_Pen* pPen = NULL;
   FDE_HDEVICESTATE hDev = m_pRenderDevice->SaveState();
   if (rtClip.Width() > 0.0f && rtClip.Height() > 0.0f) {
     m_pRenderDevice->SetClipRect(rtClip);
   }
   for (int32_t i = 0; i < iLines; i++) {
     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;
       }
       int32_t iCount = GetDisplayPos(pPiece);
       if (iCount > 0) {
         m_pRenderDevice->DrawString(pBrush, m_pFont, m_pCharPos, iCount,
                                     m_fFontSize, &m_Matrix);
       }
       DrawLine(pPiece, pPen);
     }
   }
   m_pRenderDevice->RestoreState(hDev);
   delete pBrush;
   delete pPen;
 }
-int32_t CFDE_TextOut::GetDisplayPos(FDE_LPTTOPIECE pPiece) {
+int32_t CFDE_TextOut::GetDisplayPos(FDE_TTOPIECE* pPiece) {
   FX_TXTRUN tr;
   ToTextRun(pPiece, tr);
   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, tr);
   m_rectArray.RemoveAll();
   return m_pTxtBreak->GetCharRects(&tr, m_rectArray);
 }
-void CFDE_TextOut::ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr) {
+void CFDE_TextOut::ToTextRun(const FDE_TTOPIECE* pPiece, FX_TXTRUN& tr) {
   tr.pAccess = NULL;
   tr.pIdentity = NULL;
   tr.pStr = (m_wsText + pPiece->iStartChar).c_str();
   tr.pWidths = m_pCharWidths + pPiece->iStartChar;
   tr.iLength = pPiece->iChars;
   tr.pFont = m_pFont;
   tr.fFontSize = m_fFontSize;
   tr.dwStyles = m_dwTxtBkStyles;
   tr.iCharRotation = 0;
   tr.dwCharStyles = pPiece->dwCharStyles;
   tr.wLineBreakChar = m_wParagraphBkChar;
   tr.pRect = &pPiece->rtPiece;
 }
-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);
   FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout);
   if (!bUnderLine && !bStrikeOut && !bHotKey) {
     return;
   }
   if (pPen == NULL) {
     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;
   if (bUnderLine) {
     if (bVertical) {
       pt1.x = rtText.left;
       pt1.y = rtText.top;
       pt2.x = rtText.left;
       pt2.y = rtText.bottom();
     } else {
@@ skipping 65 matching lines @@
     m_iPieceCount++;
   } else {
     FDE_TTOPIECE& piece = m_pieces.GetAt(index);
     piece = ttoPiece;
   }
   return index;
 }
 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;
   }
   return m_pieces.GetPtrAt(index);
 }
 void CFDE_TTOLine::RemoveLast(int32_t iCount) {
   m_pieces.RemoveLast(iCount);
 }
 void CFDE_TTOLine::RemoveAll(FX_BOOL bLeaveMemory) {
   m_pieces.RemoveAll(bLeaveMemory);
 }