Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

1 files changed, 1824 insertions, 0 deletions

diff --git a/xfa/fgas/layout/fgas_textbreak.cpp b/xfa/fgas/layout/fgas_textbreak.cpp
new file mode 100644
index 0000000000..0cc41980cb
--- /dev/null
+++ b/xfa/fgas/layout/fgas_textbreak.cpp
@@ -0,0 +1,1824 @@
+// 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/fgas/layout/fgas_textbreak.h"
+
+#include <algorithm>
+
+#include "core/include/fxcrt/fx_arb.h"
+#include "core/include/fxcrt/fx_memory.h"
+#include "xfa/fgas/layout/fgas_linebreak.h"
+#include "xfa/fgas/layout/fgas_unicode.h"
+
+namespace {
+
+class CFX_TxtLine {
+ public:
+  CFX_TxtLine(int32_t iBlockSize)
+      : m_iStart(0), m_iWidth(0), m_iArabicChars(0) {
+    m_pLineChars = new CFX_TxtCharArray;
+    m_pLinePieces = new CFX_TxtPieceArray(16);
+  }
+  ~CFX_TxtLine() {
+    RemoveAll();
+    delete m_pLineChars;
+    delete m_pLinePieces;
+  }
+  int32_t CountChars() const { return m_pLineChars->GetSize(); }
+  CFX_TxtChar* GetCharPtr(int32_t index) const {
+    FXSYS_assert(index > -1 && index < m_pLineChars->GetSize());
+    return m_pLineChars->GetDataPtr(index);
+  }
+  int32_t CountPieces() const { return m_pLinePieces->GetSize(); }
+  CFX_TxtPiece* GetPiecePtr(int32_t index) const {
+    FXSYS_assert(index > -1 && index < m_pLinePieces->GetSize());
+    return m_pLinePieces->GetPtrAt(index);
+  }
+  void GetString(CFX_WideString& wsStr) const {
+    int32_t iCount = m_pLineChars->GetSize();
+    FX_WCHAR* pBuf = wsStr.GetBuffer(iCount);
+    CFX_Char* pChar;
+    for (int32_t i = 0; i < iCount; i++) {
+      pChar = m_pLineChars->GetDataPtr(i);
+      *pBuf++ = (FX_WCHAR)pChar->m_wCharCode;
+    }
+    wsStr.ReleaseBuffer(iCount);
+  }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    m_pLineChars->RemoveAll();
+    m_pLinePieces->RemoveAll(bLeaveMemory);
+    m_iWidth = 0;
+    m_iArabicChars = 0;
+  }
+  CFX_TxtCharArray* m_pLineChars;
+  CFX_TxtPieceArray* m_pLinePieces;
+  int32_t m_iStart;
+  int32_t m_iWidth;
+  int32_t m_iArabicChars;
+};
+
+class CFX_TxtBreak : public IFX_TxtBreak {
+ public:
+  CFX_TxtBreak(FX_DWORD dwPolicies);
+  ~CFX_TxtBreak();
+  virtual void Release() { delete this; }
+  virtual void SetLineWidth(FX_FLOAT fLineWidth);
+  virtual void SetLinePos(FX_FLOAT fLinePos);
+  virtual FX_DWORD GetLayoutStyles() const { return m_dwLayoutStyles; }
+  virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles);
+  virtual void SetFont(IFX_Font* pFont);
+  virtual void SetFontSize(FX_FLOAT fFontSize);
+  virtual void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
+  virtual void SetDefaultChar(FX_WCHAR wch);
+  virtual void SetParagraphBreakChar(FX_WCHAR wch);
+  virtual void SetLineBreakTolerance(FX_FLOAT fTolerance);
+  virtual void SetHorizontalScale(int32_t iScale);
+  virtual void SetVerticalScale(int32_t iScale);
+  virtual void SetCharRotation(int32_t iCharRotation);
+  virtual void SetCharSpace(FX_FLOAT fCharSpace);
+  virtual void SetAlignment(int32_t iAlignment);
+  virtual FX_DWORD GetContextCharStyles() const;
+  virtual void SetContextCharStyles(FX_DWORD dwCharStyles);
+  virtual void SetCombWidth(FX_FLOAT fCombWidth);
+  virtual void SetUserData(void* pUserData);
+  virtual FX_DWORD AppendChar(FX_WCHAR wch);
+  virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_TXTBREAK_PieceBreak);
+  virtual int32_t CountBreakChars() const;
+  virtual int32_t CountBreakPieces() const;
+  virtual const CFX_TxtPiece* GetBreakPiece(int32_t index) const;
+  virtual void ClearBreakPieces();
+  virtual void Reset();
+  virtual int32_t GetDisplayPos(
+      const FX_TXTRUN* pTxtRun,
+      FXTEXT_CHARPOS* pCharPos,
+      FX_BOOL bCharCode = FALSE,
+      CFX_WideString* pWSForms = NULL,
+      FX_AdjustCharDisplayPos pAdjustPos = NULL) const;
+  virtual int32_t GetCharRects(const FX_TXTRUN* pTxtRun,
+                               CFX_RectFArray& rtArray,
+                               FX_BOOL bCharBBox = FALSE) const;
+  void AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps);
+  FX_DWORD AppendChar_Combination(CFX_Char* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Control(CFX_Char* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Arabic(CFX_Char* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Others(CFX_Char* pCurChar, int32_t iRotation);
+
+ protected:
+  FX_DWORD m_dwPolicies;
+  FX_BOOL m_bPagination;
+  IFX_ArabicChar* m_pArabicChar;
+  int32_t m_iLineWidth;
+  FX_DWORD m_dwLayoutStyles;
+  FX_BOOL m_bVertical;
+  FX_BOOL m_bArabicContext;
+  FX_BOOL m_bArabicShapes;
+  FX_BOOL m_bRTL;
+  FX_BOOL m_bSingleLine;
+  FX_BOOL m_bCombText;
+  int32_t m_iArabicContext;
+  int32_t m_iCurArabicContext;
+  IFX_Font* m_pFont;
+  int32_t m_iFontSize;
+  FX_BOOL m_bEquidistant;
+  int32_t m_iTabWidth;
+  FX_WCHAR m_wDefChar;
+  FX_WCHAR m_wParagBreakChar;
+  int32_t m_iDefChar;
+  int32_t m_iLineRotation;
+  int32_t m_iCharRotation;
+  int32_t m_iRotation;
+  int32_t m_iAlignment;
+  FX_DWORD m_dwContextCharStyles;
+  int32_t m_iCombWidth;
+  void* m_pUserData;
+  FX_DWORD m_dwCharType;
+  FX_BOOL m_bCurRTL;
+  int32_t m_iCurAlignment;
+  FX_BOOL m_bArabicNumber;
+  FX_BOOL m_bArabicComma;
+  CFX_TxtLine* m_pTxtLine1;
+  CFX_TxtLine* m_pTxtLine2;
+  CFX_TxtLine* m_pCurLine;
+  int32_t m_iReady;
+  int32_t m_iTolerance;
+  int32_t m_iHorScale;
+  int32_t m_iVerScale;
+  int32_t m_iCharSpace;
+  void SetBreakStatus();
+  int32_t GetLineRotation(FX_DWORD dwStyles) const;
+  CFX_TxtChar* GetLastChar(int32_t index, FX_BOOL bOmitChar = TRUE) const;
+  CFX_TxtLine* GetTxtLine(FX_BOOL bReady) const;
+  CFX_TxtPieceArray* GetTxtPieces(FX_BOOL bReady) const;
+  FX_DWORD GetUnifiedCharType(FX_DWORD dwType) const;
+  void ResetArabicContext();
+  void ResetContextCharStyles();
+  void EndBreak_UpdateArabicShapes();
+  FX_BOOL EndBreak_SplitLine(CFX_TxtLine* pNextLine,
+                             FX_BOOL bAllChars,
+                             FX_DWORD dwStatus);
+  void EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus);
+  void EndBreak_Alignment(CFX_TPOArray& tpos,
+                          FX_BOOL bAllChars,
+                          FX_DWORD dwStatus);
+  int32_t GetBreakPos(CFX_TxtCharArray& ca,
+                      int32_t& iEndPos,
+                      FX_BOOL bAllChars = FALSE,
+                      FX_BOOL bOnlyBrk = FALSE);
+  void SplitTextLine(CFX_TxtLine* pCurLine,
+                     CFX_TxtLine* pNextLine,
+                     FX_BOOL bAllChars = FALSE);
+};
+
+}  // namespace
+
+extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
+IFX_TxtBreak* IFX_TxtBreak::Create(FX_DWORD dwPolicies) {
+  return new CFX_TxtBreak(dwPolicies);
+}
+CFX_TxtBreak::CFX_TxtBreak(FX_DWORD dwPolicies)
+    : m_dwPolicies(dwPolicies),
+      m_pArabicChar(NULL),
+      m_iLineWidth(2000000),
+      m_dwLayoutStyles(0),
+      m_bVertical(FALSE),
+      m_bArabicContext(FALSE),
+      m_bArabicShapes(FALSE),
+      m_bRTL(FALSE),
+      m_bSingleLine(FALSE),
+      m_bCombText(FALSE),
+      m_iArabicContext(1),
+      m_iCurArabicContext(1),
+      m_pFont(NULL),
+      m_iFontSize(240),
+      m_bEquidistant(TRUE),
+      m_iTabWidth(720000),
+      m_wDefChar(0xFEFF),
+      m_wParagBreakChar(L'\n'),
+      m_iDefChar(0),
+      m_iLineRotation(0),
+      m_iCharRotation(0),
+      m_iRotation(0),
+      m_iAlignment(FX_TXTLINEALIGNMENT_Left),
+      m_dwContextCharStyles(0),
+      m_iCombWidth(360000),
+      m_pUserData(NULL),
+      m_dwCharType(0),
+      m_bArabicNumber(FALSE),
+      m_bArabicComma(FALSE),
+      m_pCurLine(NULL),
+      m_iReady(0),
+      m_iTolerance(0),
+      m_iHorScale(100),
+      m_iVerScale(100),
+      m_iCharSpace(0) {
+  m_bPagination = (m_dwPolicies & FX_TXTBREAKPOLICY_Pagination) != 0;
+  m_pArabicChar = IFX_ArabicChar::Create();
+  if (m_bPagination) {
+    m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_Char));
+    m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_Char));
+  } else {
+    m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_TxtChar));
+    m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_TxtChar));
+  }
+  m_pCurLine = m_pTxtLine1;
+  ResetArabicContext();
+}
+CFX_TxtBreak::~CFX_TxtBreak() {
+  Reset();
+  delete m_pTxtLine1;
+  delete m_pTxtLine2;
+  m_pArabicChar->Release();
+}
+void CFX_TxtBreak::SetLineWidth(FX_FLOAT fLineWidth) {
+  m_iLineWidth = FXSYS_round(fLineWidth * 20000.0f);
+  FXSYS_assert(m_iLineWidth >= 20000);
+}
+void CFX_TxtBreak::SetLinePos(FX_FLOAT fLinePos) {
+  int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
+  if (iLinePos < 0) {
+    iLinePos = 0;
+  }
+  if (iLinePos > m_iLineWidth) {
+    iLinePos = m_iLineWidth;
+  }
+  m_pCurLine->m_iStart = iLinePos;
+  m_pCurLine->m_iWidth += iLinePos;
+}
+void CFX_TxtBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) {
+  m_dwLayoutStyles = dwLayoutStyles;
+  m_bVertical = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
+  m_bArabicContext = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicContext) != 0;
+  m_bArabicShapes = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicShapes) != 0;
+  m_bRTL = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_RTLReadingOrder) != 0;
+  m_bSingleLine = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
+  m_bCombText = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
+  ResetArabicContext();
+  m_iLineRotation = GetLineRotation(m_dwLayoutStyles);
+  m_iRotation = m_iLineRotation + m_iCharRotation;
+  m_iRotation %= 4;
+}
+void CFX_TxtBreak::SetFont(IFX_Font* pFont) {
+  if (pFont == NULL) {
+    return;
+  }
+  if (m_pFont == pFont) {
+    return;
+  }
+  SetBreakStatus();
+  m_pFont = pFont;
+  m_iDefChar = 0;
+  if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
+    m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+    m_iDefChar *= m_iFontSize;
+  }
+}
+void CFX_TxtBreak::SetFontSize(FX_FLOAT fFontSize) {
+  int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+  if (m_iFontSize == iFontSize) {
+    return;
+  }
+  SetBreakStatus();
+  m_iFontSize = iFontSize;
+  m_iDefChar = 0;
+  if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
+    m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+    m_iDefChar *= m_iFontSize;
+  }
+}
+void CFX_TxtBreak::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
+  m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
+  if (m_iTabWidth < FX_TXTBREAK_MinimumTabWidth) {
+    m_iTabWidth = FX_TXTBREAK_MinimumTabWidth;
+  }
+  m_bEquidistant = bEquidistant;
+}
+void CFX_TxtBreak::SetDefaultChar(FX_WCHAR wch) {
+  m_wDefChar = wch;
+  m_iDefChar = 0;
+  if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
+    m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+    if (m_iDefChar < 0) {
+      m_iDefChar = 0;
+    } else {
+      m_iDefChar *= m_iFontSize;
+    }
+  }
+}
+void CFX_TxtBreak::SetParagraphBreakChar(FX_WCHAR wch) {
+  if (wch != L'\r' && wch != L'\n') {
+    return;
+  }
+  m_wParagBreakChar = wch;
+}
+void CFX_TxtBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) {
+  m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
+}
+void CFX_TxtBreak::SetCharRotation(int32_t iCharRotation) {
+  if (iCharRotation < 0) {
+    iCharRotation += (-iCharRotation / 4 + 1) * 4;
+  } else if (iCharRotation > 3) {
+    iCharRotation -= (iCharRotation / 4) * 4;
+  }
+  if (m_iCharRotation == iCharRotation) {
+    return;
+  }
+  SetBreakStatus();
+  m_iCharRotation = iCharRotation;
+  m_iRotation = m_iLineRotation + m_iCharRotation;
+  m_iRotation %= 4;
+}
+void CFX_TxtBreak::SetAlignment(int32_t iAlignment) {
+  FXSYS_assert(iAlignment >= FX_TXTLINEALIGNMENT_Left &&
+               iAlignment <= FX_TXTLINEALIGNMENT_Distributed);
+  m_iAlignment = iAlignment;
+  ResetArabicContext();
+}
+void CFX_TxtBreak::ResetContextCharStyles() {
+  m_dwContextCharStyles = m_bArabicContext ? m_iCurAlignment : m_iAlignment;
+  if (m_bArabicNumber) {
+    m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicNumber;
+  }
+  if (m_bArabicComma) {
+    m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
+  }
+  if ((m_bArabicContext && m_bCurRTL) || (!m_bArabicContext && m_bRTL)) {
+    m_dwContextCharStyles |= FX_TXTCHARSTYLE_RTLReadingOrder;
+  }
+  m_dwContextCharStyles |= (m_iArabicContext << 8);
+}
+FX_DWORD CFX_TxtBreak::GetContextCharStyles() const {
+  return m_dwContextCharStyles;
+}
+void CFX_TxtBreak::SetContextCharStyles(FX_DWORD dwCharStyles) {
+  m_iCurAlignment = dwCharStyles & 0x0F;
+  m_bArabicNumber = (dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
+  m_bArabicComma = (dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
+  m_bCurRTL = (dwCharStyles & FX_TXTCHARSTYLE_RTLReadingOrder) != 0;
+  m_iCurArabicContext = m_iArabicContext = ((dwCharStyles & 0x0300) >> 8);
+  ResetContextCharStyles();
+}
+void CFX_TxtBreak::SetCombWidth(FX_FLOAT fCombWidth) {
+  m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f);
+}
+void CFX_TxtBreak::SetUserData(void* pUserData) {
+  if (m_pUserData == pUserData) {
+    return;
+  }
+  SetBreakStatus();
+  m_pUserData = pUserData;
+}
+void CFX_TxtBreak::SetBreakStatus() {
+  if (m_bPagination) {
+    return;
+  }
+  int32_t iCount = m_pCurLine->CountChars();
+  if (iCount < 1) {
+    return;
+  }
+  CFX_TxtChar* pTC = (CFX_TxtChar*)m_pCurLine->GetCharPtr(iCount - 1);
+  if (pTC->m_dwStatus == 0) {
+    pTC->m_dwStatus = FX_TXTBREAK_PieceBreak;
+  }
+}
+void CFX_TxtBreak::SetHorizontalScale(int32_t iScale) {
+  if (iScale < 0) {
+    iScale = 0;
+  }
+  if (iScale == m_iHorScale) {
+    return;
+  }
+  SetBreakStatus();
+  m_iHorScale = iScale;
+}
+void CFX_TxtBreak::SetVerticalScale(int32_t iScale) {
+  if (iScale < 0) {
+    iScale = 0;
+  }
+  if (iScale == m_iHorScale) {
+    return;
+  }
+  SetBreakStatus();
+  m_iVerScale = iScale;
+}
+void CFX_TxtBreak::SetCharSpace(FX_FLOAT fCharSpace) {
+  m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
+}
+static const int32_t gs_FX_TxtLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
+int32_t CFX_TxtBreak::GetLineRotation(FX_DWORD dwStyles) const {
+  return gs_FX_TxtLineRotations[(dwStyles & 0x0E) >> 1];
+}
+CFX_TxtChar* CFX_TxtBreak::GetLastChar(int32_t index, FX_BOOL bOmitChar) const {
+  CFX_TxtCharArray& ca = *m_pCurLine->m_pLineChars;
+  int32_t iCount = ca.GetSize();
+  if (index < 0 || index >= iCount) {
+    return NULL;
+  }
+  CFX_TxtChar* pTC;
+  int32_t iStart = iCount - 1;
+  while (iStart > -1) {
+    pTC = ca.GetDataPtr(iStart--);
+    if (bOmitChar && pTC->GetCharType() == FX_CHARTYPE_Combination) {
+      continue;
+    }
+    if (--index < 0) {
+      return pTC;
+    }
+  }
+  return NULL;
+}
+CFX_TxtLine* CFX_TxtBreak::GetTxtLine(FX_BOOL bReady) const {
+  if (!bReady) {
+    return m_pCurLine;
+  }
+  if (m_iReady == 1) {
+    return m_pTxtLine1;
+  } else if (m_iReady == 2) {
+    return m_pTxtLine2;
+  } else {
+    return NULL;
+  }
+}
+CFX_TxtPieceArray* CFX_TxtBreak::GetTxtPieces(FX_BOOL bReady) const {
+  CFX_TxtLine* pTxtLine = GetTxtLine(bReady);
+  if (pTxtLine == NULL) {
+    return NULL;
+  }
+  return pTxtLine->m_pLinePieces;
+}
+inline FX_DWORD CFX_TxtBreak::GetUnifiedCharType(FX_DWORD dwType) const {
+  return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType;
+}
+void CFX_TxtBreak::ResetArabicContext() {
+  if (m_bArabicContext) {
+    m_bCurRTL = m_iCurArabicContext > 1;
+    m_iCurAlignment = m_iCurArabicContext > 1 ? FX_TXTLINEALIGNMENT_Right
+                                              : FX_TXTLINEALIGNMENT_Left;
+    m_iCurAlignment |= (m_iAlignment & FX_TXTLINEALIGNMENT_HigherMask);
+    m_bArabicNumber = m_iArabicContext >= 1 && m_bArabicShapes;
+  } else {
+    if (m_bPagination) {
+      m_bCurRTL = FALSE;
+      m_iCurAlignment = 0;
+    } else {
+      m_bCurRTL = m_bRTL;
+      m_iCurAlignment = m_iAlignment;
+    }
+    if (m_bRTL) {
+      m_bArabicNumber = m_iArabicContext >= 1;
+    } else {
+      m_bArabicNumber = m_iArabicContext > 1;
+    }
+    m_bArabicNumber = m_bArabicNumber && m_bArabicShapes;
+  }
+  m_bArabicComma = m_bArabicNumber;
+  ResetContextCharStyles();
+}
+void CFX_TxtBreak::AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps) {
+  if (!m_bPagination) {
+    ((CFX_TxtChar*)pCurChar)->m_dwStatus = 0;
+    ((CFX_TxtChar*)pCurChar)->m_pUserData = m_pUserData;
+  }
+  if (m_bArabicContext || m_bArabicShapes) {
+    int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
+    int32_t iArabicContext =
+        (iBidiCls == FX_BIDICLASS_R || iBidiCls == FX_BIDICLASS_AL)
+            ? 2
+            : ((iBidiCls == FX_BIDICLASS_L || iBidiCls == FX_BIDICLASS_S) ? 0
+                                                                          : 1);
+    if (iArabicContext != m_iArabicContext && iArabicContext != 1) {
+      m_iArabicContext = iArabicContext;
+      if (m_iCurArabicContext == 1) {
+        m_iCurArabicContext = iArabicContext;
+      }
+      ResetArabicContext();
+      if (!m_bPagination) {
+        CFX_TxtChar* pLastChar = (CFX_TxtChar*)GetLastChar(1, FALSE);
+        if (pLastChar != NULL && pLastChar->m_dwStatus < 1) {
+          pLastChar->m_dwStatus = FX_TXTBREAK_PieceBreak;
+        }
+      }
+    }
+  }
+  pCurChar->m_dwCharStyles = m_dwContextCharStyles;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Combination(CFX_Char* pCurChar,
+                                              int32_t iRotation) {
+  FXSYS_assert(pCurChar != NULL);
+  FX_WCHAR wch = pCurChar->m_wCharCode;
+  FX_WCHAR wForm;
+  int32_t iCharWidth = 0;
+  CFX_Char* pLastChar;
+  pCurChar->m_iCharWidth = -1;
+  if (m_bCombText) {
+    iCharWidth = m_iCombWidth;
+  } else {
+    if (m_bVertical != FX_IsOdd(iRotation)) {
+      iCharWidth = 1000;
+    } else {
+      wForm = wch;
+      if (!m_bPagination) {
+        pLastChar = GetLastChar(0, FALSE);
+        if (pLastChar != NULL &&
+            (((CFX_TxtChar*)pLastChar)->m_dwCharStyles &
+             FX_TXTCHARSTYLE_ArabicShadda) == 0) {
+          FX_BOOL bShadda = FALSE;
+          if (wch == 0x0651) {
+            FX_WCHAR wLast = pLastChar->m_wCharCode;
+            if (wLast >= 0x064C && wLast <= 0x0650) {
+              wForm = FX_GetArabicFromShaddaTable(wLast);
+              bShadda = TRUE;
+            }
+          } else if (wch >= 0x064C && wch <= 0x0650) {
+            if (pLastChar->m_wCharCode == 0x0651) {
+              wForm = FX_GetArabicFromShaddaTable(wch);
+              bShadda = TRUE;
+            }
+          }
+          if (bShadda) {
+            ((CFX_TxtChar*)pLastChar)->m_dwCharStyles |=
+                FX_TXTCHARSTYLE_ArabicShadda;
+            ((CFX_TxtChar*)pLastChar)->m_iCharWidth = 0;
+            ((CFX_TxtChar*)pCurChar)->m_dwCharStyles |=
+                FX_TXTCHARSTYLE_ArabicShadda;
+          }
+        }
+      }
+      if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
+        iCharWidth = 0;
+      }
+    }
+    iCharWidth *= m_iFontSize;
+    iCharWidth = iCharWidth * m_iHorScale / 100;
+  }
+  pCurChar->m_iCharWidth = -iCharWidth;
+  return FX_TXTBREAK_None;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation) {
+  m_dwCharType = FX_CHARTYPE_Tab;
+  if ((m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ExpandTab) == 0) {
+    return FX_TXTBREAK_None;
+  }
+  int32_t& iLineWidth = m_pCurLine->m_iWidth;
+  int32_t iCharWidth;
+  if (m_bCombText) {
+    iCharWidth = m_iCombWidth;
+  } else {
+    if (m_bEquidistant) {
+      iCharWidth = iLineWidth;
+      iCharWidth = m_iTabWidth * (iCharWidth / m_iTabWidth + 1) - iCharWidth;
+      if (iCharWidth < FX_TXTBREAK_MinimumTabWidth) {
+        iCharWidth += m_iTabWidth;
+      }
+    } else {
+      iCharWidth = m_iTabWidth;
+    }
+  }
+  pCurChar->m_iCharWidth = iCharWidth;
+  iLineWidth += iCharWidth;
+  if (!m_bSingleLine && iLineWidth >= m_iLineWidth + m_iTolerance) {
+    return EndBreak(FX_TXTBREAK_LineBreak);
+  }
+  return FX_TXTBREAK_None;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Control(CFX_Char* pCurChar,
+                                          int32_t iRotation) {
+  m_dwCharType = FX_CHARTYPE_Control;
+  FX_DWORD dwRet = FX_TXTBREAK_None;
+  if (!m_bSingleLine) {
+    FX_WCHAR wch = pCurChar->m_wCharCode;
+    switch (wch) {
+      case L'\v':
+      case 0x2028:
+        dwRet = FX_TXTBREAK_LineBreak;
+        break;
+      case L'\f':
+        dwRet = FX_TXTBREAK_PageBreak;
+        break;
+      case 0x2029:
+        dwRet = FX_TXTBREAK_ParagraphBreak;
+        break;
+      default:
+        if (wch == m_wParagBreakChar) {
+          dwRet = FX_TXTBREAK_ParagraphBreak;
+        }
+        break;
+    }
+    if (dwRet != FX_TXTBREAK_None) {
+      dwRet = EndBreak(dwRet);
+    }
+  }
+  return dwRet;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar,
+                                         int32_t iRotation) {
+  FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK);
+  int32_t& iLineWidth = m_pCurLine->m_iWidth;
+  FX_WCHAR wForm;
+  int32_t iCharWidth = 0;
+  CFX_Char* pLastChar = NULL;
+  FX_BOOL bAlef = FALSE;
+  if (!m_bCombText && m_dwCharType >= FX_CHARTYPE_ArabicAlef &&
+      m_dwCharType <= FX_CHARTYPE_ArabicDistortion) {
+    pLastChar = GetLastChar(1);
+    if (pLastChar != NULL) {
+      iCharWidth = pLastChar->m_iCharWidth;
+      if (iCharWidth > 0) {
+        iLineWidth -= iCharWidth;
+      }
+      CFX_Char* pPrevChar = GetLastChar(2);
+      wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar);
+      bAlef = (wForm == 0xFEFF &&
+               pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef);
+      int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation;
+      if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) {
+        iLastRotation++;
+      }
+      if (m_bVertical != FX_IsOdd(iLastRotation)) {
+        iCharWidth = 1000;
+      } else {
+        m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
+      }
+      if (wForm == 0xFEFF) {
+        iCharWidth = m_iDefChar;
+      }
+      iCharWidth *= m_iFontSize;
+      iCharWidth = iCharWidth * m_iHorScale / 100;
+      pLastChar->m_iCharWidth = iCharWidth;
+      iLineWidth += iCharWidth;
+      iCharWidth = 0;
+    }
+  }
+  m_dwCharType = dwType;
+  wForm = m_pArabicChar->GetFormChar(pCurChar, bAlef ? NULL : pLastChar, NULL);
+  if (m_bCombText) {
+    iCharWidth = m_iCombWidth;
+  } else {
+    if (m_bVertical != FX_IsOdd(iRotation)) {
+      iCharWidth = 1000;
+    } else {
+      m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
+    }
+    if (wForm == 0xFEFF) {
+      iCharWidth = m_iDefChar;
+    }
+    iCharWidth *= m_iFontSize;
+    iCharWidth = iCharWidth * m_iHorScale / 100;
+  }
+  pCurChar->m_iCharWidth = iCharWidth;
+  iLineWidth += iCharWidth;
+  m_pCurLine->m_iArabicChars++;
+  if (!m_bSingleLine && iLineWidth > m_iLineWidth + m_iTolerance) {
+    return EndBreak(FX_TXTBREAK_LineBreak);
+  }
+  return FX_TXTBREAK_None;
+}
+FX_DWORD CFX_TxtBreak::AppendChar_Others(CFX_Char* pCurChar,
+                                         int32_t iRotation) {
+  FX_DWORD dwProps = pCurChar->m_dwCharProps;
+  FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
+  int32_t& iLineWidth = m_pCurLine->m_iWidth;
+  int32_t iCharWidth = 0;
+  m_dwCharType = dwType;
+  FX_WCHAR wch = pCurChar->m_wCharCode;
+  FX_WCHAR wForm = wch;
+  if (dwType == FX_CHARTYPE_Numeric) {
+    if (m_bArabicNumber) {
+      wForm = wch + 0x0630;
+      pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicIndic;
+    }
+  } else if (wch == L',') {
+    if (m_bArabicShapes && m_iCurArabicContext > 0) {
+      wForm = 0x060C;
+      pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
+    }
+  } else if (m_bCurRTL || m_bVertical) {
+    wForm = FX_GetMirrorChar(wch, dwProps, m_bCurRTL, m_bVertical);
+  }
+  if (m_bCombText) {
+    iCharWidth = m_iCombWidth;
+  } else {
+    if (m_bVertical != FX_IsOdd(iRotation)) {
+      iCharWidth = 1000;
+    } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
+      iCharWidth = m_iDefChar;
+    }
+    iCharWidth *= m_iFontSize;
+    iCharWidth = iCharWidth * m_iHorScale / 100;
+  }
+  iCharWidth += m_iCharSpace;
+  pCurChar->m_iCharWidth = iCharWidth;
+  iLineWidth += iCharWidth;
+  FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space ||
+                    (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0);
+  if (!m_bSingleLine && bBreak && iLineWidth > m_iLineWidth + m_iTolerance) {
+    return EndBreak(FX_TXTBREAK_LineBreak);
+  }
+  return FX_TXTBREAK_None;
+}
+typedef FX_DWORD (CFX_TxtBreak::*FX_TxtBreak_LPFAppendChar)(CFX_Char* pCurChar,
+                                                            int32_t iRotation);
+static const FX_TxtBreak_LPFAppendChar g_FX_TxtBreak_lpfAppendChar[16] = {
+    &CFX_TxtBreak::AppendChar_Others,      &CFX_TxtBreak::AppendChar_Tab,
+    &CFX_TxtBreak::AppendChar_Others,      &CFX_TxtBreak::AppendChar_Control,
+    &CFX_TxtBreak::AppendChar_Combination, &CFX_TxtBreak::AppendChar_Others,
+    &CFX_TxtBreak::AppendChar_Others,      &CFX_TxtBreak::AppendChar_Arabic,
+    &CFX_TxtBreak::AppendChar_Arabic,      &CFX_TxtBreak::AppendChar_Arabic,
+    &CFX_TxtBreak::AppendChar_Arabic,      &CFX_TxtBreak::AppendChar_Arabic,
+    &CFX_TxtBreak::AppendChar_Arabic,      &CFX_TxtBreak::AppendChar_Others,
+    &CFX_TxtBreak::AppendChar_Others,      &CFX_TxtBreak::AppendChar_Others,
+};
+FX_DWORD CFX_TxtBreak::AppendChar(FX_WCHAR wch) {
+  FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch];
+  FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
+  CFX_TxtChar* pCurChar = m_pCurLine->m_pLineChars->AddSpace();
+  pCurChar->m_wCharCode = (FX_WORD)wch;
+  pCurChar->m_nRotation = m_iCharRotation;
+  pCurChar->m_dwCharProps = dwProps;
+  pCurChar->m_dwCharStyles = 0;
+  pCurChar->m_iCharWidth = 0;
+  pCurChar->m_iHorizontalScale = m_iHorScale;
+  pCurChar->m_iVertialScale = m_iVerScale;
+  pCurChar->m_dwStatus = 0;
+  pCurChar->m_iBidiClass = 0;
+  pCurChar->m_iBidiLevel = 0;
+  pCurChar->m_iBidiPos = 0;
+  pCurChar->m_iBidiOrder = 0;
+  pCurChar->m_pUserData = NULL;
+  AppendChar_PageLoad(pCurChar, dwProps);
+  FX_DWORD dwRet1 = FX_TXTBREAK_None;
+  if (dwType != FX_CHARTYPE_Combination &&
+      GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) {
+    if (m_dwCharType > 0 &&
+        m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance && !m_bSingleLine) {
+      if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) {
+        dwRet1 = EndBreak(FX_TXTBREAK_LineBreak);
+        int32_t iCount = m_pCurLine->CountChars();
+        if (iCount > 0) {
+          pCurChar = m_pCurLine->m_pLineChars->GetDataPtr(iCount - 1);
+        }
+      }
+    }
+  }
+  int32_t iRotation = m_iRotation;
+  if (m_bVertical && (dwProps & 0x8000) != 0) {
+    iRotation = (iRotation + 1) % 4;
+  }
+  FX_DWORD dwRet2 =
+      (this->*g_FX_TxtBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])(
+          pCurChar, iRotation);
+  return std::max(dwRet1, dwRet2);
+}
+void CFX_TxtBreak::EndBreak_UpdateArabicShapes() {
+  FXSYS_assert(m_bArabicShapes);
+  int32_t iCount = m_pCurLine->CountChars();
+  if (iCount < 2) {
+    return;
+  }
+  int32_t& iLineWidth = m_pCurLine->m_iWidth;
+  CFX_Char *pCur, *pNext;
+  pCur = m_pCurLine->GetCharPtr(0);
+  FX_BOOL bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
+  pCur = m_pCurLine->GetCharPtr(1);
+  FX_WCHAR wch, wForm;
+  FX_BOOL bNextNum;
+  int32_t i = 1, iCharWidth, iRotation;
+  do {
+    i++;
+    if (i < iCount) {
+      pNext = m_pCurLine->GetCharPtr(i);
+      bNextNum = (pNext->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
+    } else {
+      pNext = NULL;
+      bNextNum = FALSE;
+    }
+    wch = pCur->m_wCharCode;
+    if (wch == L'.') {
+      if (bPrevNum && bNextNum) {
+        iRotation = m_iRotation;
+        if (m_bVertical && (pCur->m_dwCharProps & 0x8000) != 0) {
+          iRotation = ((iRotation + 1) & 0x03);
+        }
+        wForm = wch == L'.' ? 0x066B : 0x066C;
+        iLineWidth -= pCur->m_iCharWidth;
+        if (m_bCombText) {
+          iCharWidth = m_iCombWidth;
+        } else {
+          if (m_bVertical != FX_IsOdd(iRotation)) {
+            iCharWidth = 1000;
+          } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
+            iCharWidth = m_iDefChar;
+          }
+          iCharWidth *= m_iFontSize;
+          iCharWidth = iCharWidth * m_iHorScale / 100;
+        }
+        pCur->m_iCharWidth = iCharWidth;
+        iLineWidth += iCharWidth;
+      }
+    }
+    bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
+    pCur = pNext;
+  } while (i < iCount);
+}
+FX_BOOL CFX_TxtBreak::EndBreak_SplitLine(CFX_TxtLine* pNextLine,
+                                         FX_BOOL bAllChars,
+                                         FX_DWORD dwStatus) {
+  int32_t iCount = m_pCurLine->CountChars();
+  FX_BOOL bDone = FALSE;
+  CFX_Char* pTC;
+  if (!m_bSingleLine && m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance) {
+    pTC = m_pCurLine->GetCharPtr(iCount - 1);
+    switch (pTC->GetCharType()) {
+      case FX_CHARTYPE_Tab:
+      case FX_CHARTYPE_Control:
+        break;
+      case FX_CHARTYPE_Space:
+        if ((m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0) {
+          SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+          bDone = TRUE;
+        }
+        break;
+      default:
+        SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+        bDone = TRUE;
+        break;
+    }
+  }
+  iCount = m_pCurLine->CountChars();
+  CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+  CFX_TxtPiece tp;
+  if (m_bPagination) {
+    tp.m_dwStatus = dwStatus;
+    tp.m_iStartPos = m_pCurLine->m_iStart;
+    tp.m_iWidth = m_pCurLine->m_iWidth;
+    tp.m_iStartChar = 0;
+    tp.m_iChars = iCount;
+    tp.m_pChars = m_pCurLine->m_pLineChars;
+    tp.m_pUserData = m_pUserData;
+    pTC = m_pCurLine->GetCharPtr(0);
+    tp.m_dwCharStyles = pTC->m_dwCharStyles;
+    tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+    tp.m_iVerticalScale = pTC->m_iVertialScale;
+    pCurPieces->Add(tp);
+    m_pCurLine = pNextLine;
+    m_dwCharType = 0;
+    return TRUE;
+  }
+  if (bAllChars && !bDone) {
+    int32_t iEndPos = m_pCurLine->m_iWidth;
+    GetBreakPos(*m_pCurLine->m_pLineChars, iEndPos, bAllChars, TRUE);
+  }
+  return FALSE;
+}
+void CFX_TxtBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) {
+  CFX_TxtPiece tp;
+  FX_TPO tpo;
+  CFX_TxtChar* pTC;
+  int32_t i, j;
+  CFX_TxtCharArray& chars = *m_pCurLine->m_pLineChars;
+  int32_t iCount = m_pCurLine->CountChars();
+  FX_BOOL bDone = (m_pCurLine->m_iArabicChars > 0 || m_bCurRTL);
+  if (!m_bPagination && bDone) {
+    int32_t iBidiNum = 0;
+    for (i = 0; i < iCount; i++) {
+      pTC = chars.GetDataPtr(i);
+      pTC->m_iBidiPos = i;
+      if (pTC->GetCharType() != FX_CHARTYPE_Control) {
+        iBidiNum = i;
+      }
+      if (i == 0) {
+        pTC->m_iBidiLevel = 1;
+      }
+    }
+    FX_BidiLine(chars, iBidiNum + 1, m_bCurRTL ? 1 : 0);
+  }
+  CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+  if (!m_bPagination &&
+      (bDone || (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_MutipleFormat) != 0)) {
+    tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
+    tp.m_iStartPos = m_pCurLine->m_iStart;
+    tp.m_pChars = m_pCurLine->m_pLineChars;
+    int32_t iBidiLevel = -1, iCharWidth;
+    i = 0, j = -1;
+    while (i < iCount) {
+      pTC = chars.GetDataPtr(i);
+      if (iBidiLevel < 0) {
+        iBidiLevel = pTC->m_iBidiLevel;
+        tp.m_iWidth = 0;
+        tp.m_iBidiLevel = iBidiLevel;
+        tp.m_iBidiPos = pTC->m_iBidiOrder;
+        tp.m_dwCharStyles = pTC->m_dwCharStyles;
+        tp.m_pUserData = pTC->m_pUserData;
+        tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+        tp.m_iVerticalScale = pTC->m_iVertialScale;
+        tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
+      }
+      if (iBidiLevel != pTC->m_iBidiLevel || pTC->m_dwStatus != 0) {
+        if (iBidiLevel == pTC->m_iBidiLevel) {
+          tp.m_dwStatus = pTC->m_dwStatus;
+          iCharWidth = pTC->m_iCharWidth;
+          if (iCharWidth > 0) {
+            tp.m_iWidth += iCharWidth;
+          }
+          i++;
+        }
+        tp.m_iChars = i - tp.m_iStartChar;
+        pCurPieces->Add(tp);
+        tp.m_iStartPos += tp.m_iWidth;
+        tp.m_iStartChar = i;
+        tpo.index = ++j;
+        tpo.pos = tp.m_iBidiPos;
+        tpos.Add(tpo);
+        iBidiLevel = -1;
+      } else {
+        iCharWidth = pTC->m_iCharWidth;
+        if (iCharWidth > 0) {
+          tp.m_iWidth += iCharWidth;
+        }
+        i++;
+      }
+    }
+    if (i > tp.m_iStartChar) {
+      tp.m_dwStatus = dwStatus;
+      tp.m_iChars = i - tp.m_iStartChar;
+      pCurPieces->Add(tp);
+      tpo.index = ++j;
+      tpo.pos = tp.m_iBidiPos;
+      tpos.Add(tpo);
+    }
+    if (j > -1) {
+      if (j > 0) {
+        FX_TEXTLAYOUT_PieceSort(tpos, 0, j);
+        int32_t iStartPos = 0;
+        for (i = 0; i <= j; i++) {
+          tpo = tpos.GetAt(i);
+          CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
+          ttp.m_iStartPos = iStartPos;
+          iStartPos += ttp.m_iWidth;
+        }
+      }
+      CFX_TxtPiece& ttp = pCurPieces->GetAt(j);
+      ttp.m_dwStatus = dwStatus;
+    }
+  } else {
+    tp.m_dwStatus = dwStatus;
+    tp.m_iStartPos = m_pCurLine->m_iStart;
+    tp.m_iWidth = m_pCurLine->m_iWidth;
+    tp.m_iStartChar = 0;
+    tp.m_iChars = iCount;
+    tp.m_pChars = m_pCurLine->m_pLineChars;
+    tp.m_pUserData = m_pUserData;
+    pTC = chars.GetDataPtr(0);
+    tp.m_dwCharStyles = pTC->m_dwCharStyles;
+    tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+    tp.m_iVerticalScale = pTC->m_iVertialScale;
+    pCurPieces->Add(tp);
+    tpo.index = 0;
+    tpo.pos = 0;
+    tpos.Add(tpo);
+  }
+}
+void CFX_TxtBreak::EndBreak_Alignment(CFX_TPOArray& tpos,
+                                      FX_BOOL bAllChars,
+                                      FX_DWORD dwStatus) {
+  int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
+  CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+  int32_t i, j, iCount = pCurPieces->GetSize();
+  FX_BOOL bFind = FALSE;
+  FX_TPO tpo;
+  CFX_TxtChar* pTC;
+  FX_DWORD dwCharType;
+  for (i = iCount - 1; i > -1; i--) {
+    tpo = tpos.GetAt(i);
+    CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
+    if (!bFind) {
+      iNetWidth = ttp.GetEndPos();
+    }
+    FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel);
+    j = bArabic ? 0 : ttp.m_iChars - 1;
+    while (j > -1 && j < ttp.m_iChars) {
+      pTC = ttp.GetCharPtr(j);
+      if (pTC->m_nBreakType == FX_LBT_DIRECT_BRK) {
+        iGapChars++;
+      }
+      if (!bFind || !bAllChars) {
+        dwCharType = pTC->GetCharType();
+        if (dwCharType == FX_CHARTYPE_Space ||
+            dwCharType == FX_CHARTYPE_Control) {
+          if (!bFind) {
+            iCharWidth = pTC->m_iCharWidth;
+            if (bAllChars && iCharWidth > 0) {
+              iNetWidth -= iCharWidth;
+            }
+          }
+        } else {
+          bFind = TRUE;
+          if (!bAllChars) {
+            break;
+          }
+        }
+      }
+      j += bArabic ? 1 : -1;
+    }
+    if (!bAllChars && bFind) {
+      break;
+    }
+  }
+  int32_t iOffset = m_iLineWidth - iNetWidth;
+  int32_t iLowerAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_LowerMask);
+  int32_t iHigherAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_HigherMask);
+  if (iGapChars > 0 && (iHigherAlignment == FX_TXTLINEALIGNMENT_Distributed ||
+                        (iHigherAlignment == FX_TXTLINEALIGNMENT_Justified &&
+                         dwStatus != FX_TXTBREAK_ParagraphBreak))) {
+    int32_t iStart = -1;
+    for (i = 0; i < iCount; i++) {
+      tpo = tpos.GetAt(i);
+      CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
+      if (iStart < -1) {
+        iStart = ttp.m_iStartPos;
+      } else {
+        ttp.m_iStartPos = iStart;
+      }
+      int32_t k;
+      for (j = 0; j < ttp.m_iChars; j++) {
+        pTC = ttp.GetCharPtr(j);
+        if (pTC->m_nBreakType != FX_LBT_DIRECT_BRK || pTC->m_iCharWidth < 0) {
+          continue;
+        }
+        k = iOffset / iGapChars;
+        pTC->m_iCharWidth += k;
+        ttp.m_iWidth += k;
+        iOffset -= k;
+        iGapChars--;
+        if (iGapChars < 1) {
+          break;
+        }
+      }
+      iStart += ttp.m_iWidth;
+    }
+  } else if (iLowerAlignment > FX_TXTLINEALIGNMENT_Left) {
+    if (iLowerAlignment == FX_TXTLINEALIGNMENT_Center) {
+      iOffset /= 2;
+    }
+    if (iOffset > 0) {
+      for (i = 0; i < iCount; i++) {
+        CFX_TxtPiece& ttp = pCurPieces->GetAt(i);
+        ttp.m_iStartPos += iOffset;
+      }
+    }
+  }
+}
+FX_DWORD CFX_TxtBreak::EndBreak(FX_DWORD dwStatus) {
+  FXSYS_assert(dwStatus >= FX_TXTBREAK_PieceBreak &&
+               dwStatus <= FX_TXTBREAK_PageBreak);
+  CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
+  int32_t iCount = pCurPieces->GetSize();
+  if (iCount > 0) {
+    CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount);
+    if (dwStatus > FX_TXTBREAK_PieceBreak) {
+      pLastPiece->m_dwStatus = dwStatus;
+    } else {
+      dwStatus = pLastPiece->m_dwStatus;
+    }
+    return dwStatus;
+  } else {
+    CFX_TxtLine* pLastLine = GetTxtLine(TRUE);
+    if (pLastLine != NULL) {
+      pCurPieces = pLastLine->m_pLinePieces;
+      iCount = pCurPieces->GetSize();
+      if (iCount-- > 0) {
+        CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(iCount);
+        if (dwStatus > FX_TXTBREAK_PieceBreak) {
+          pLastPiece->m_dwStatus = dwStatus;
+        } else {
+          dwStatus = pLastPiece->m_dwStatus;
+        }
+        return dwStatus;
+      }
+      return FX_TXTBREAK_None;
+    }
+    iCount = m_pCurLine->CountChars();
+    if (iCount < 1) {
+      return FX_TXTBREAK_None;
+    }
+    if (!m_bPagination) {
+      CFX_TxtChar* pTC = m_pCurLine->GetCharPtr(iCount - 1);
+      pTC->m_dwStatus = dwStatus;
+    }
+    if (dwStatus <= FX_TXTBREAK_PieceBreak) {
+      return dwStatus;
+    }
+  }
+  m_iReady = (m_pCurLine == m_pTxtLine1) ? 1 : 2;
+  CFX_TxtLine* pNextLine =
+      (m_pCurLine == m_pTxtLine1) ? m_pTxtLine2 : m_pTxtLine1;
+  FX_BOOL bAllChars = (m_iCurAlignment > FX_TXTLINEALIGNMENT_Right);
+  CFX_TPOArray tpos;
+  CFX_Char* pTC;
+  if (m_bArabicShapes) {
+    EndBreak_UpdateArabicShapes();
+  }
+  if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
+    goto EndBreak_Ret;
+  }
+  EndBreak_BidiLine(tpos, dwStatus);
+  if (!m_bPagination && m_iCurAlignment > FX_TXTLINEALIGNMENT_Left) {
+    EndBreak_Alignment(tpos, bAllChars, dwStatus);
+  }
+EndBreak_Ret:
+  m_pCurLine = pNextLine;
+  pTC = GetLastChar(0, FALSE);
+  m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType();
+  if (dwStatus == FX_TXTBREAK_ParagraphBreak) {
+    m_iArabicContext = m_iCurArabicContext = 1;
+    ResetArabicContext();
+  }
+  return dwStatus;
+}
+int32_t CFX_TxtBreak::GetBreakPos(CFX_TxtCharArray& ca,
+                                  int32_t& iEndPos,
+                                  FX_BOOL bAllChars,
+                                  FX_BOOL bOnlyBrk) {
+  int32_t iLength = ca.GetSize() - 1;
+  if (iLength < 1) {
+    return iLength;
+  }
+  int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1,
+          iLast = -1, iLastPos = -1;
+  if (m_bSingleLine || iEndPos <= m_iLineWidth) {
+    if (!bAllChars) {
+      return iLength;
+    }
+    iBreak = iLength;
+    iBreakPos = iEndPos;
+  }
+  FX_BOOL bSpaceBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0;
+  FX_BOOL bNumberBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_NumberBreak) != 0;
+  FX_LINEBREAKTYPE eType;
+  FX_DWORD nCodeProp, nCur, nNext;
+  CFX_Char* pCur = ca.GetDataPtr(iLength--);
+  if (bAllChars) {
+    pCur->m_nBreakType = FX_LBT_UNKNOWN;
+  }
+  nCodeProp = pCur->m_dwCharProps;
+  nNext = nCodeProp & 0x003F;
+  int32_t iCharWidth = pCur->m_iCharWidth;
+  if (iCharWidth > 0) {
+    iEndPos -= iCharWidth;
+  }
+  while (iLength >= 0) {
+    pCur = ca.GetDataPtr(iLength);
+    nCodeProp = pCur->m_dwCharProps;
+    nCur = nCodeProp & 0x003F;
+    if (nCur == FX_CBP_SP) {
+      if (nNext == FX_CBP_SP) {
+        eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
+      } else {
+        eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+                  (nCur << 5) + nNext);
+      }
+    } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) {
+      eType = FX_LBT_DIRECT_BRK;
+    } else {
+      if (nNext == FX_CBP_SP) {
+        eType = FX_LBT_PROHIBITED_BRK;
+      } else {
+        eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
+                  (nCur << 5) + nNext);
+      }
+    }
+    if (bAllChars) {
+      pCur->m_nBreakType = (uint8_t)eType;
+    }
+    if (!bOnlyBrk) {
+      if (m_bSingleLine || iEndPos <= m_iLineWidth ||
+          (nCur == FX_CBP_SP && !bSpaceBreak)) {
+        if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
+          iBreak = iLength;
+          iBreakPos = iEndPos;
+          if (!bAllChars) {
+            return iLength;
+          }
+        } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) {
+          iIndirect = iLength;
+          iIndirectPos = iEndPos;
+        }
+        if (iLast < 0) {
+          iLast = iLength;
+          iLastPos = iEndPos;
+        }
+      }
+      iCharWidth = pCur->m_iCharWidth;
+      if (iCharWidth > 0) {
+        iEndPos -= iCharWidth;
+      }
+    }
+    nNext = nCodeProp & 0x003F;
+    iLength--;
+  }
+  if (bOnlyBrk) {
+    return 0;
+  }
+  if (iBreak > -1) {
+    iEndPos = iBreakPos;
+    return iBreak;
+  }
+  if (iIndirect > -1) {
+    iEndPos = iIndirectPos;
+    return iIndirect;
+  }
+  if (iLast > -1) {
+    iEndPos = iLastPos;
+    return iLast;
+  }
+  return 0;
+}
+void CFX_TxtBreak::SplitTextLine(CFX_TxtLine* pCurLine,
+                                 CFX_TxtLine* pNextLine,
+                                 FX_BOOL bAllChars) {
+  FXSYS_assert(pCurLine != NULL && pNextLine != NULL);
+  int32_t iCount = pCurLine->CountChars();
+  if (iCount < 2) {
+    return;
+  }
+  int32_t iEndPos = pCurLine->m_iWidth;
+  CFX_TxtCharArray& curChars = *pCurLine->m_pLineChars;
+  int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE);
+  if (iCharPos < 0) {
+    iCharPos = 0;
+  }
+  iCharPos++;
+  if (iCharPos >= iCount) {
+    pNextLine->RemoveAll(TRUE);
+    CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1);
+    pTC->m_nBreakType = FX_LBT_UNKNOWN;
+    return;
+  }
+  CFX_TxtCharArray& nextChars = *pNextLine->m_pLineChars;
+  int cur_size = curChars.GetSize();
+  nextChars.SetSize(cur_size - iCharPos);
+  FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
+               (cur_size - iCharPos) * sizeof(CFX_TxtChar));
+  iCount -= iCharPos;
+  cur_size = curChars.GetSize();
+  curChars.RemoveAt(cur_size - iCount, iCount);
+  pCurLine->m_iWidth = iEndPos;
+  CFX_TxtChar* pTC = curChars.GetDataPtr(iCharPos - 1);
+  pTC->m_nBreakType = FX_LBT_UNKNOWN;
+  iCount = nextChars.GetSize();
+  int32_t iCharWidth, iWidth = 0;
+  for (int32_t i = 0; i < iCount; i++) {
+    pTC = nextChars.GetDataPtr(i);
+    if (pTC->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
+      pCurLine->m_iArabicChars--;
+      pNextLine->m_iArabicChars++;
+    }
+    iCharWidth = pTC->m_iCharWidth;
+    if (iCharWidth > 0) {
+      iWidth += iCharWidth;
+    }
+    if (m_bPagination) {
+      continue;
+    }
+    pTC->m_dwStatus = 0;
+  }
+  pNextLine->m_iWidth = iWidth;
+}
+int32_t CFX_TxtBreak::CountBreakChars() const {
+  CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
+  return pTxtLine == NULL ? 0 : pTxtLine->CountChars();
+}
+int32_t CFX_TxtBreak::CountBreakPieces() const {
+  CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
+  if (pTxtPieces == NULL) {
+    return 0;
+  }
+  return pTxtPieces->GetSize();
+}
+const CFX_TxtPiece* CFX_TxtBreak::GetBreakPiece(int32_t index) const {
+  CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
+  if (pTxtPieces == NULL) {
+    return NULL;
+  }
+  if (index < 0 || index >= pTxtPieces->GetSize()) {
+    return NULL;
+  }
+  return pTxtPieces->GetPtrAt(index);
+}
+void CFX_TxtBreak::ClearBreakPieces() {
+  CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
+  if (pTxtLine != NULL) {
+    pTxtLine->RemoveAll(TRUE);
+  }
+  m_iReady = 0;
+}
+void CFX_TxtBreak::Reset() {
+  m_dwCharType = 0;
+  m_iArabicContext = m_iCurArabicContext = 1;
+  ResetArabicContext();
+  m_pTxtLine1->RemoveAll(TRUE);
+  m_pTxtLine2->RemoveAll(TRUE);
+}
+
+struct FX_FORMCHAR {
+  FX_WORD wch;
+  FX_WORD wForm;
+  int32_t iWidth;
+};
+
+int32_t CFX_TxtBreak::GetDisplayPos(const FX_TXTRUN* pTxtRun,
+                                    FXTEXT_CHARPOS* pCharPos,
+                                    FX_BOOL bCharCode,
+                                    CFX_WideString* pWSForms,
+                                    FX_AdjustCharDisplayPos pAdjustPos) const {
+  if (pTxtRun == NULL || pTxtRun->iLength < 1) {
+    return 0;
+  }
+  IFX_TxtAccess* pAccess = pTxtRun->pAccess;
+  void* pIdentity = pTxtRun->pIdentity;
+  const FX_WCHAR* pStr = pTxtRun->pStr;
+  int32_t* pWidths = pTxtRun->pWidths;
+  int32_t iLength = pTxtRun->iLength - 1;
+  IFX_Font* pFont = pTxtRun->pFont;
+  FX_DWORD dwStyles = pTxtRun->dwStyles;
+  CFX_RectF rtText(*pTxtRun->pRect);
+  FX_BOOL bRTLPiece =
+      (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
+  FX_BOOL bArabicNumber =
+      (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
+  FX_BOOL bArabicComma =
+      (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
+  FX_FLOAT fFontSize = pTxtRun->fFontSize;
+  int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+  int32_t iAscent = pFont->GetAscent();
+  int32_t iDescent = pFont->GetDescent();
+  int32_t iMaxHeight = iAscent - iDescent;
+  FX_FLOAT fFontHeight = fFontSize;
+  FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight;
+  FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight;
+  FX_BOOL bVerticalDoc = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
+  FX_BOOL bVerticalChar = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
+  int32_t iRotation = GetLineRotation(dwStyles) + pTxtRun->iCharRotation;
+  int32_t iCharRotation;
+  FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm, wLast = 0xFEFF;
+  int32_t iWidth, iCharWidth, iCharHeight;
+  FX_FLOAT fX, fY, fCharWidth, fCharHeight;
+  int32_t iHorScale = pTxtRun->iHorizontalScale;
+  int32_t iVerScale = pTxtRun->iVerticalScale;
+  FX_BOOL bSkipSpace = pTxtRun->bSkipSpace;
+  FX_BOOL bEmptyChar, bShadda = FALSE, bLam = FALSE;
+  FX_DWORD dwProps, dwCharType;
+  FX_FORMCHAR formChars[3];
+  FX_FLOAT fYBase;
+  fX = rtText.left;
+  if (bVerticalDoc) {
+    fX += (rtText.width - fFontSize) / 2.0f;
+    fYBase = bRTLPiece ? rtText.bottom() : rtText.top;
+    fY = fYBase;
+  } else {
+    if (bRTLPiece) {
+      fX = rtText.right();
+    }
+    fYBase = rtText.top + (rtText.height - fFontSize) / 2.0f;
+    fY = fYBase + fAscent;
+  }
+  int32_t iCount = 0, iNext, iForms;
+  for (int32_t i = 0; i <= iLength; i++) {
+    if (pAccess != NULL) {
+      wch = pAccess->GetChar(pIdentity, i);
+      iWidth = pAccess->GetWidth(pIdentity, i);
+    } else {
+      wch = *pStr++;
+      iWidth = *pWidths++;
+    }
+    dwProps = FX_GetUnicodeProperties(wch);
+    dwCharType = (dwProps & FX_CHARTYPEBITSMASK);
+    if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
+      wPrev = 0xFEFF;
+      wLast = wch;
+      continue;
+    }
+    if (dwCharType >= FX_CHARTYPE_ArabicAlef) {
+      if (i < iLength) {
+        if (pAccess != NULL) {
+          iNext = i + 1;
+          while (iNext <= iLength) {
+            wNext = pAccess->GetChar(pIdentity, iNext);
+            dwProps = FX_GetUnicodeProperties(wNext);
+            if ((dwProps & FX_CHARTYPEBITSMASK) != FX_CHARTYPE_Combination) {
+              break;
+            }
+            iNext++;
+          }
+          if (iNext > iLength) {
+            wNext = 0xFEFF;
+          }
+        } else {
+          int32_t j = -1;
+          do {
+            j++;
+            if (i + j >= iLength) {
+              break;
+            }
+            wNext = pStr[j];
+            dwProps = FX_GetUnicodeProperties(wNext);
+          } while ((dwProps & FX_CHARTYPEBITSMASK) == FX_CHARTYPE_Combination);
+          if (i + j >= iLength) {
+            wNext = 0xFEFF;
+          }
+        }
+      } else {
+        wNext = 0xFEFF;
+      }
+      wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext);
+      bLam = (wPrev == 0x0644 && wch == 0x0644 && wNext == 0x0647);
+    } else if (dwCharType == FX_CHARTYPE_Combination) {
+      wForm = wch;
+      if (wch >= 0x064C && wch <= 0x0651) {
+        if (bShadda) {
+          wForm = 0xFEFF;
+          bShadda = FALSE;
+        } else {
+          wNext = 0xFEFF;
+          if (pAccess != NULL) {
+            iNext = i + 1;
+            if (iNext <= iLength) {
+              wNext = pAccess->GetChar(pIdentity, iNext);
+            }
+          } else {
+            if (i < iLength) {
+              wNext = *pStr;
+            }
+          }
+          if (wch == 0x0651) {
+            if (wNext >= 0x064C && wNext <= 0x0650) {
+              wForm = FX_GetArabicFromShaddaTable(wNext);
+              bShadda = TRUE;
+            }
+          } else {
+            if (wNext == 0x0651) {
+              wForm = FX_GetArabicFromShaddaTable(wch);
+              bShadda = TRUE;
+            }
+          }
+        }
+      } else {
+        bShadda = FALSE;
+      }
+    } else if (dwCharType == FX_CHARTYPE_Numeric) {
+      wForm = wch;
+      if (bArabicNumber) {
+        wForm += 0x0630;
+      }
+    } else if (wch == L'.') {
+      wForm = wch;
+      if (bArabicNumber) {
+        wNext = 0xFEFF;
+        if (pAccess != NULL) {
+          iNext = i + 1;
+          if (iNext <= iLength) {
+            wNext = pAccess->GetChar(pIdentity, iNext);
+          }
+        } else {
+          if (i < iLength) {
+            wNext = *pStr;
+          }
+        }
+        if (wNext >= L'0' && wNext <= L'9') {
+          wForm = 0x066B;
+        }
+      }
+    } else if (wch == L',') {
+      wForm = wch;
+      if (bArabicComma) {
+        wForm = 0x060C;
+      }
+    } else if (bRTLPiece || bVerticalChar) {
+      wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar);
+    } else {
+      wForm = wch;
+    }
+    if (dwCharType != FX_CHARTYPE_Combination) {
+      bShadda = FALSE;
+    }
+    if (dwCharType < FX_CHARTYPE_ArabicAlef) {
+      bLam = FALSE;
+    }
+    dwProps = FX_GetUnicodeProperties(wForm);
+    iCharRotation = iRotation;
+    if (bVerticalChar && (dwProps & 0x8000) != 0) {
+      iCharRotation++;
+    }
+    iCharRotation %= 4;
+    bEmptyChar =
+        (dwCharType >= FX_CHARTYPE_Tab && dwCharType <= FX_CHARTYPE_Control);
+    if (wForm == 0xFEFF) {
+      bEmptyChar = TRUE;
+    }
+    iForms = bLam ? 3 : 1;
+    iCount += (bEmptyChar && bSkipSpace) ? 0 : iForms;
+    if (pCharPos == NULL) {
+      if (iWidth > 0) {
+        wPrev = wch;
+      }
+      wLast = wch;
+      continue;
+    }
+    iCharWidth = iWidth;
+    if (iCharWidth < 0) {
+      iCharWidth = -iCharWidth;
+    }
+    iCharWidth /= iFontSize;
+    formChars[0].wch = wch;
+    formChars[0].wForm = wForm;
+    formChars[0].iWidth = iCharWidth;
+    if (bLam) {
+      formChars[1].wForm = 0x0651;
+      iCharWidth = 0;
+      pFont->GetCharWidth(0x0651, iCharWidth, FALSE);
+      formChars[1].iWidth = iCharWidth;
+      formChars[2].wForm = 0x0670;
+      iCharWidth = 0;
+      pFont->GetCharWidth(0x0670, iCharWidth, FALSE);
+      formChars[2].iWidth = iCharWidth;
+    }
+    for (int32_t j = 0; j < iForms; j++) {
+      wForm = (FX_WCHAR)formChars[j].wForm;
+      iCharWidth = formChars[j].iWidth;
+      if (j > 0) {
+        dwCharType = FX_CHARTYPE_Combination;
+        wch = wForm;
+        wLast = (FX_WCHAR)formChars[j - 1].wForm;
+      }
+      if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
+        pCharPos->m_GlyphIndex =
+            bCharCode ? wch : pFont->GetGlyphIndex(wForm, FALSE);
+        pCharPos->m_ExtGID = pCharPos->m_GlyphIndex;
+        pCharPos->m_FontCharWidth = iCharWidth;
+        if (pWSForms) {
+          *pWSForms += wForm;
+        }
+      }
+      if (bVerticalDoc) {
+        iCharHeight = iCharWidth;
+        iCharWidth = 1000;
+      } else {
+        iCharHeight = 1000;
+      }
+      fCharWidth = fFontSize * iCharWidth / 1000.0f;
+      fCharHeight = fFontSize * iCharHeight / 1000.0f;
+      if (bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+        if (bVerticalDoc) {
+          fY -= fCharHeight;
+        } else {
+          fX -= fCharWidth;
+        }
+      }
+      if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
+        pCharPos->m_OriginX = fX;
+        pCharPos->m_OriginY = fY;
+        if ((dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0) {
+          int32_t iFormWidth = iCharWidth;
+          pFont->GetCharWidth(wForm, iFormWidth, FALSE);
+          FX_FLOAT fOffset = fFontSize * (iCharWidth - iFormWidth) / 2000.0f;
+          if (bVerticalDoc) {
+            pCharPos->m_OriginY += fOffset;
+          } else {
+            pCharPos->m_OriginX += fOffset;
+          }
+        }
+        if (dwCharType == FX_CHARTYPE_Combination) {
+          CFX_Rect rtBBox;
+          rtBBox.Reset();
+          if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
+            pCharPos->m_OriginY =
+                fYBase + fFontSize -
+                fFontSize * (FX_FLOAT)rtBBox.height / (FX_FLOAT)iMaxHeight;
+          }
+          if (wForm == wch && wLast != 0xFEFF) {
+            FX_DWORD dwLastProps = FX_GetUnicodeProperties(wLast);
+            if ((dwLastProps & FX_CHARTYPEBITSMASK) ==
+                FX_CHARTYPE_Combination) {
+              CFX_Rect rtBBox;
+              rtBBox.Reset();
+              if (pFont->GetCharBBox(wLast, rtBBox, FALSE)) {
+                pCharPos->m_OriginY -= fFontSize * rtBBox.height / iMaxHeight;
+              }
+            }
+          }
+        }
+        CFX_PointF ptOffset;
+        FX_BOOL bAdjusted = FALSE;
+        if (pAdjustPos) {
+          bAdjusted = pAdjustPos(wForm, bCharCode, pFont, fFontSize,
+                                 bVerticalChar, ptOffset);
+        }
+        if (!bAdjusted && bVerticalChar && (dwProps & 0x00010000) != 0) {
+          CFX_Rect rtBBox;
+          rtBBox.Reset();
+          if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
+            ptOffset.x = fFontSize * (850 - rtBBox.right()) / iMaxHeight;
+            ptOffset.y = fFontSize * (iAscent - rtBBox.top - 150) / iMaxHeight;
+          }
+        }
+        pCharPos->m_OriginX += ptOffset.x;
+        pCharPos->m_OriginY -= ptOffset.y;
+      }
+      if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+        if (bVerticalDoc) {
+          fY += fCharHeight;
+        } else {
+          fX += fCharWidth;
+        }
+      }
+      if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
+        pCharPos->m_bGlyphAdjust = TRUE;
+        if (bVerticalDoc) {
+          if (iCharRotation == 0) {
+            pCharPos->m_AdjustMatrix[0] = -1;
+            pCharPos->m_AdjustMatrix[1] = 0;
+            pCharPos->m_AdjustMatrix[2] = 0;
+            pCharPos->m_AdjustMatrix[3] = 1;
+            pCharPos->m_OriginY += fAscent;
+          } else if (iCharRotation == 1) {
+            pCharPos->m_AdjustMatrix[0] = 0;
+            pCharPos->m_AdjustMatrix[1] = -1;
+            pCharPos->m_AdjustMatrix[2] = -1;
+            pCharPos->m_AdjustMatrix[3] = 0;
+            pCharPos->m_OriginX -= fDescent;
+          } else if (iCharRotation == 2) {
+            pCharPos->m_AdjustMatrix[0] = 1;
+            pCharPos->m_AdjustMatrix[1] = 0;
+            pCharPos->m_AdjustMatrix[2] = 0;
+            pCharPos->m_AdjustMatrix[3] = -1;
+            pCharPos->m_OriginX += fCharWidth;
+            pCharPos->m_OriginY += fAscent;
+          } else {
+            pCharPos->m_AdjustMatrix[0] = 0;
+            pCharPos->m_AdjustMatrix[1] = 1;
+            pCharPos->m_AdjustMatrix[2] = 1;
+            pCharPos->m_AdjustMatrix[3] = 0;
+            pCharPos->m_OriginX += fAscent;
+          }
+        } else {
+          if (iCharRotation == 0) {
+            pCharPos->m_AdjustMatrix[0] = -1;
+            pCharPos->m_AdjustMatrix[1] = 0;
+            pCharPos->m_AdjustMatrix[2] = 0;
+            pCharPos->m_AdjustMatrix[3] = 1;
+          } else if (iCharRotation == 1) {
+            pCharPos->m_AdjustMatrix[0] = 0;
+            pCharPos->m_AdjustMatrix[1] = -1;
+            pCharPos->m_AdjustMatrix[2] = -1;
+            pCharPos->m_AdjustMatrix[3] = 0;
+            pCharPos->m_OriginX -= fDescent;
+            pCharPos->m_OriginY -= fAscent + fDescent;
+          } else if (iCharRotation == 2) {
+            pCharPos->m_AdjustMatrix[0] = 1;
+            pCharPos->m_AdjustMatrix[1] = 0;
+            pCharPos->m_AdjustMatrix[2] = 0;
+            pCharPos->m_AdjustMatrix[3] = -1;
+            pCharPos->m_OriginX += fCharWidth;
+            pCharPos->m_OriginY -= fAscent;
+          } else {
+            pCharPos->m_AdjustMatrix[0] = 0;
+            pCharPos->m_AdjustMatrix[1] = 1;
+            pCharPos->m_AdjustMatrix[2] = 1;
+            pCharPos->m_AdjustMatrix[3] = 0;
+            pCharPos->m_OriginX += fAscent;
+          }
+        }
+        if (iHorScale != 100 || iVerScale != 100) {
+          pCharPos->m_AdjustMatrix[0] =
+              pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f;
+          pCharPos->m_AdjustMatrix[1] =
+              pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f;
+          pCharPos->m_AdjustMatrix[2] =
+              pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f;
+          pCharPos->m_AdjustMatrix[3] =
+              pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f;
+        }
+        pCharPos++;
+      }
+    }
+    if (iWidth > 0) {
+      wPrev = (FX_WCHAR)formChars[0].wch;
+    }
+    wLast = wch;
+  }
+  return iCount;
+}
+int32_t CFX_TxtBreak::GetCharRects(const FX_TXTRUN* pTxtRun,
+                                   CFX_RectFArray& rtArray,
+                                   FX_BOOL bCharBBox) const {
+  if (pTxtRun == NULL || pTxtRun->iLength < 1) {
+    return 0;
+  }
+  IFX_TxtAccess* pAccess = pTxtRun->pAccess;
+  void* pIdentity = pTxtRun->pIdentity;
+  const FX_WCHAR* pStr = pTxtRun->pStr;
+  int32_t* pWidths = pTxtRun->pWidths;
+  int32_t iLength = pTxtRun->iLength;
+  CFX_RectF rect(*pTxtRun->pRect);
+  FX_BOOL bRTLPiece =
+      (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
+  FX_FLOAT fFontSize = pTxtRun->fFontSize;
+  int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+  FX_FLOAT fScale = fFontSize / 1000.0f;
+  IFX_Font* pFont = pTxtRun->pFont;
+  if (pFont == NULL) {
+    bCharBBox = FALSE;
+  }
+  CFX_Rect bbox;
+  bbox.Set(0, 0, 0, 0);
+  if (bCharBBox) {
+    bCharBBox = pFont->GetBBox(bbox);
+  }
+  FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale);
+  FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale);
+  rtArray.RemoveAll();
+  rtArray.SetSize(iLength);
+  FX_BOOL bVertical =
+      (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
+  FX_BOOL bSingleLine = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
+  FX_BOOL bCombText = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
+  FX_WCHAR wch, wLineBreakChar = pTxtRun->wLineBreakChar;
+  int32_t iCharSize;
+  FX_FLOAT fCharSize, fStart;
+  if (bVertical) {
+    fStart = bRTLPiece ? rect.bottom() : rect.top;
+  } else {
+    fStart = bRTLPiece ? rect.right() : rect.left;
+  }
+  for (int32_t i = 0; i < iLength; i++) {
+    if (pAccess != NULL) {
+      wch = pAccess->GetChar(pIdentity, i);
+      iCharSize = pAccess->GetWidth(pIdentity, i);
+    } else {
+      wch = *pStr++;
+      iCharSize = *pWidths++;
+    }
+    fCharSize = (FX_FLOAT)iCharSize / 20000.0f;
+    FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch));
+    if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 ||
+          (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) {
+      bRet = FALSE;
+    }
+    if (bRet) {
+      iCharSize = iFontSize * 500;
+      fCharSize = fFontSize / 2.0f;
+    }
+    if (bVertical) {
+      rect.top = fStart;
+      if (bRTLPiece) {
+        rect.top -= fCharSize;
+        fStart -= fCharSize;
+      } else {
+        fStart += fCharSize;
+      }
+      rect.height = fCharSize;
+    } else {
+      rect.left = fStart;
+      if (bRTLPiece) {
+        rect.left -= fCharSize;
+        fStart -= fCharSize;
+      } else {
+        fStart += fCharSize;
+      }
+      rect.width = fCharSize;
+    }
+    if (bCharBBox && !bRet) {
+      int32_t iCharWidth = 1000;
+      pFont->GetCharWidth(wch, iCharWidth);
+      FX_FLOAT fRTLeft = 0, fCharWidth = 0;
+      if (iCharWidth > 0) {
+        fCharWidth = iCharWidth * fScale;
+        fRTLeft = fLeft;
+        if (bCombText) {
+          fRTLeft = (rect.width - fCharWidth) / 2.0f;
+        }
+      }
+      CFX_RectF rtBBoxF;
+      if (bVertical) {
+        rtBBoxF.top = rect.left + fRTLeft;
+        rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f;
+        rtBBoxF.height = fCharWidth;
+        rtBBoxF.width = fHeight;
+        rtBBoxF.left = std::max(rtBBoxF.left, 0.0f);
+      } else {
+        rtBBoxF.left = rect.left + fRTLeft;
+        rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f;
+        rtBBoxF.width = fCharWidth;
+        rtBBoxF.height = fHeight;
+        rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
+      }
+      rtArray.SetAt(i, rtBBoxF);
+      continue;
+    }
+    rtArray.SetAt(i, rect);
+  }
+  return iLength;
+}