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, 1691 insertions, 0 deletions

diff --git a/xfa/fgas/layout/fgas_rtfbreak.cpp b/xfa/fgas/layout/fgas_rtfbreak.cpp
new file mode 100644
index 0000000000..f57a1335fb
--- /dev/null
+++ b/xfa/fgas/layout/fgas_rtfbreak.cpp
@@ -0,0 +1,1691 @@
+// 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_rtfbreak.h"
+
+#include <algorithm>
+
+#include "core/include/fxcrt/fx_arb.h"
+#include "xfa/fgas/layout/fgas_linebreak.h"
+#include "xfa/fgas/layout/fgas_unicode.h"
+
+namespace {
+
+class CFX_RTFLine {
+ public:
+  CFX_RTFLine()
+      : m_LinePieces(16),
+        m_iStart(0),
+        m_iWidth(0),
+        m_iArabicChars(0),
+        m_iMBCSChars(0) {}
+  ~CFX_RTFLine() { RemoveAll(); }
+  int32_t CountChars() const { return m_LineChars.GetSize(); }
+  CFX_RTFChar& GetChar(int32_t index) {
+    FXSYS_assert(index > -1 && index < m_LineChars.GetSize());
+    return *m_LineChars.GetDataPtr(index);
+  }
+  CFX_RTFChar* GetCharPtr(int32_t index) {
+    FXSYS_assert(index > -1 && index < m_LineChars.GetSize());
+    return m_LineChars.GetDataPtr(index);
+  }
+  int32_t CountPieces() const { return m_LinePieces.GetSize(); }
+  CFX_RTFPiece& GetPiece(int32_t index) const {
+    FXSYS_assert(index > -1 && index < m_LinePieces.GetSize());
+    return m_LinePieces.GetAt(index);
+  }
+  CFX_RTFPiece* GetPiecePtr(int32_t index) const {
+    FXSYS_assert(index > -1 && index < m_LinePieces.GetSize());
+    return m_LinePieces.GetPtrAt(index);
+  }
+  int32_t GetLineEnd() const { return m_iStart + m_iWidth; }
+  void RemoveAll(FX_BOOL bLeaveMemory = FALSE) {
+    CFX_RTFChar* pChar;
+    IFX_Unknown* pUnknown;
+    int32_t iCount = m_LineChars.GetSize();
+    for (int32_t i = 0; i < iCount; i++) {
+      pChar = m_LineChars.GetDataPtr(i);
+      if ((pUnknown = pChar->m_pUserData) != NULL) {
+        pUnknown->Release();
+      }
+    }
+    m_LineChars.RemoveAll();
+    m_LinePieces.RemoveAll(bLeaveMemory);
+    m_iWidth = 0;
+    m_iArabicChars = 0;
+    m_iMBCSChars = 0;
+  }
+  CFX_RTFCharArray m_LineChars;
+  CFX_RTFPieceArray m_LinePieces;
+  int32_t m_iStart;
+  int32_t m_iWidth;
+  int32_t m_iArabicChars;
+  int32_t m_iMBCSChars;
+};
+
+class CFX_RTFBreak : public IFX_RTFBreak {
+ public:
+  CFX_RTFBreak(FX_DWORD dwPolicies);
+  ~CFX_RTFBreak();
+  void Release() override { delete this; }
+  void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) override;
+  void SetLineStartPos(FX_FLOAT fLinePos) override;
+  FX_DWORD GetLayoutStyles() const override { return m_dwLayoutStyles; }
+  void SetLayoutStyles(FX_DWORD dwLayoutStyles) override;
+  void SetFont(IFX_Font* pFont) override;
+  void SetFontSize(FX_FLOAT fFontSize) override;
+  void SetTabWidth(FX_FLOAT fTabWidth) override;
+  void AddPositionedTab(FX_FLOAT fTabPos) override;
+  void SetPositionedTabs(const CFX_FloatArray& tabs) override;
+  void ClearPositionedTabs() override;
+  void SetDefaultChar(FX_WCHAR wch) override;
+  void SetLineBreakChar(FX_WCHAR wch) override;
+  void SetLineBreakTolerance(FX_FLOAT fTolerance) override;
+  void SetHorizontalScale(int32_t iScale) override;
+  void SetVerticalScale(int32_t iScale) override;
+  void SetCharRotation(int32_t iCharRotation) override;
+  void SetCharSpace(FX_FLOAT fCharSpace) override;
+  void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) override;
+  void SetReadingOrder(FX_BOOL bRTL = FALSE) override;
+  void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) override;
+  void SetUserData(IFX_Unknown* pUserData) override;
+  FX_DWORD AppendChar(FX_WCHAR wch) override;
+  FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) override;
+  int32_t CountBreakPieces() const override;
+  const CFX_RTFPiece* GetBreakPiece(int32_t index) const override;
+  void GetLineRect(CFX_RectF& rect) const override;
+  void ClearBreakPieces() override;
+  void Reset() override;
+  int32_t GetDisplayPos(
+      const FX_RTFTEXTOBJ* pText,
+      FXTEXT_CHARPOS* pCharPos,
+      FX_BOOL bCharCode = FALSE,
+      CFX_WideString* pWSForms = NULL,
+      FX_AdjustCharDisplayPos pAdjustPos = NULL) const override;
+  int32_t GetCharRects(const FX_RTFTEXTOBJ* pText,
+                       CFX_RectFArray& rtArray,
+                       FX_BOOL bCharBBox = FALSE) const override;
+  FX_DWORD AppendChar_CharCode(FX_WCHAR wch);
+  FX_DWORD AppendChar_Combination(CFX_RTFChar* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Tab(CFX_RTFChar* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Control(CFX_RTFChar* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Arabic(CFX_RTFChar* pCurChar, int32_t iRotation);
+  FX_DWORD AppendChar_Others(CFX_RTFChar* pCurChar, int32_t iRotation);
+
+ protected:
+  FX_DWORD m_dwPolicies;
+  IFX_ArabicChar* m_pArabicChar;
+  int32_t m_iBoundaryStart;
+  int32_t m_iBoundaryEnd;
+  FX_DWORD m_dwLayoutStyles;
+  FX_BOOL m_bPagination;
+  FX_BOOL m_bVertical;
+  FX_BOOL m_bSingleLine;
+  FX_BOOL m_bCharCode;
+  IFX_Font* m_pFont;
+  int32_t m_iFontHeight;
+  int32_t m_iFontSize;
+  int32_t m_iTabWidth;
+  CFX_Int32Array m_PositionedTabs;
+  FX_BOOL m_bOrphanLine;
+  FX_WCHAR m_wDefChar;
+  int32_t m_iDefChar;
+  FX_WCHAR m_wLineBreakChar;
+  int32_t m_iHorizontalScale;
+  int32_t m_iVerticalScale;
+  int32_t m_iLineRotation;
+  int32_t m_iCharRotation;
+  int32_t m_iRotation;
+  int32_t m_iCharSpace;
+  FX_BOOL m_bWordSpace;
+  int32_t m_iWordSpace;
+  FX_BOOL m_bRTL;
+  int32_t m_iAlignment;
+  IFX_Unknown* m_pUserData;
+  FX_DWORD m_dwCharType;
+  FX_DWORD m_dwIdentity;
+  CFX_RTFLine m_RTFLine1;
+  CFX_RTFLine m_RTFLine2;
+  CFX_RTFLine* m_pCurLine;
+  int32_t m_iReady;
+  int32_t m_iTolerance;
+  int32_t GetLineRotation(FX_DWORD dwStyles) const;
+  void SetBreakStatus();
+  CFX_RTFChar* GetLastChar(int32_t index) const;
+  CFX_RTFLine* GetRTFLine(FX_BOOL bReady) const;
+  CFX_RTFPieceArray* GetRTFPieces(FX_BOOL bReady) const;
+  FX_DWORD GetUnifiedCharType(FX_DWORD dwType) const;
+  int32_t GetLastPositionedTab() const;
+  FX_BOOL GetPositionedTab(int32_t& iTabPos) const;
+  int32_t GetBreakPos(CFX_RTFCharArray& tca,
+                      int32_t& iEndPos,
+                      FX_BOOL bAllChars = FALSE,
+                      FX_BOOL bOnlyBrk = FALSE);
+  void SplitTextLine(CFX_RTFLine* pCurLine,
+                     CFX_RTFLine* pNextLine,
+                     FX_BOOL bAllChars = FALSE);
+  FX_BOOL EndBreak_SplitLine(CFX_RTFLine* 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);
+};
+
+}  // namespace
+
+IFX_RTFBreak* IFX_RTFBreak::Create(FX_DWORD dwPolicies) {
+  return new CFX_RTFBreak(dwPolicies);
+}
+CFX_RTFBreak::CFX_RTFBreak(FX_DWORD dwPolicies)
+    : m_dwPolicies(dwPolicies),
+      m_pArabicChar(NULL),
+      m_iBoundaryStart(0),
+      m_iBoundaryEnd(2000000),
+      m_dwLayoutStyles(0),
+      m_bPagination(FALSE),
+      m_bVertical(FALSE),
+      m_bSingleLine(FALSE),
+      m_bCharCode(FALSE),
+      m_pFont(NULL),
+      m_iFontHeight(240),
+      m_iFontSize(240),
+      m_iTabWidth(720000),
+      m_PositionedTabs(),
+      m_bOrphanLine(FALSE),
+      m_wDefChar(0xFEFF),
+      m_iDefChar(0),
+      m_wLineBreakChar(L'\n'),
+      m_iHorizontalScale(100),
+      m_iVerticalScale(100),
+      m_iLineRotation(0),
+      m_iCharRotation(0),
+      m_iRotation(0),
+      m_iCharSpace(0),
+      m_bWordSpace(FALSE),
+      m_iWordSpace(0),
+      m_bRTL(FALSE),
+      m_iAlignment(FX_RTFLINEALIGNMENT_Left),
+      m_pUserData(NULL),
+      m_dwCharType(0),
+      m_dwIdentity(0),
+      m_RTFLine1(),
+      m_RTFLine2(),
+      m_pCurLine(NULL),
+      m_iReady(0),
+      m_iTolerance(0) {
+  m_pArabicChar = IFX_ArabicChar::Create();
+  m_pCurLine = &m_RTFLine1;
+}
+CFX_RTFBreak::~CFX_RTFBreak() {
+  Reset();
+  m_PositionedTabs.RemoveAll();
+  m_pArabicChar->Release();
+  if (m_pUserData != NULL) {
+    m_pUserData->Release();
+  }
+}
+void CFX_RTFBreak::SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) {
+  if (fLineStart > fLineEnd)
+    return;
+  m_iBoundaryStart = FXSYS_round(fLineStart * 20000.0f);
+  m_iBoundaryEnd = FXSYS_round(fLineEnd * 20000.0f);
+  m_pCurLine->m_iStart = std::min(m_pCurLine->m_iStart, m_iBoundaryEnd);
+  m_pCurLine->m_iStart = std::max(m_pCurLine->m_iStart, m_iBoundaryStart);
+}
+void CFX_RTFBreak::SetLineStartPos(FX_FLOAT fLinePos) {
+  int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
+  iLinePos = std::min(iLinePos, m_iBoundaryEnd);
+  iLinePos = std::max(iLinePos, m_iBoundaryStart);
+  m_pCurLine->m_iStart = iLinePos;
+}
+void CFX_RTFBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) {
+  if (m_dwLayoutStyles == dwLayoutStyles) {
+    return;
+  }
+  SetBreakStatus();
+  m_dwLayoutStyles = dwLayoutStyles;
+  m_bPagination = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_Pagination) != 0;
+  m_bVertical = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0;
+  m_bSingleLine = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0;
+  m_bCharCode = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0;
+  m_iLineRotation = GetLineRotation(m_dwLayoutStyles);
+  m_iRotation = m_iLineRotation + m_iCharRotation;
+  m_iRotation %= 4;
+}
+void CFX_RTFBreak::SetFont(IFX_Font* pFont) {
+  if (pFont == NULL) {
+    return;
+  }
+  if (m_pFont == pFont) {
+    return;
+  }
+  SetBreakStatus();
+  m_pFont = pFont;
+  m_iDefChar = 0;
+  if (m_pFont != NULL) {
+    m_iFontHeight = m_iFontSize;
+    if (m_wDefChar != 0xFEFF) {
+      m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+      m_iDefChar *= m_iFontSize;
+    }
+  }
+}
+void CFX_RTFBreak::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_pFont != NULL) {
+    m_iFontHeight = m_iFontSize;
+    if (m_wDefChar != 0xFEFF) {
+      m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
+      m_iDefChar *= m_iFontSize;
+    }
+  }
+}
+void CFX_RTFBreak::SetTabWidth(FX_FLOAT fTabWidth) {
+  m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
+}
+void CFX_RTFBreak::AddPositionedTab(FX_FLOAT fTabPos) {
+  int32_t iLineEnd = m_iBoundaryEnd;
+  int32_t iTabPos = FXSYS_round(fTabPos * 20000.0f) + m_iBoundaryStart;
+  if (iTabPos > iLineEnd) {
+    iTabPos = iLineEnd;
+  }
+  if (m_PositionedTabs.Find(iTabPos, 0) > -1) {
+    return;
+  }
+  int32_t iCount = m_PositionedTabs.GetSize();
+  int32_t iFind = 0;
+  for (; iFind < iCount; iFind++) {
+    if (m_PositionedTabs[iFind] > iTabPos) {
+      break;
+    }
+  }
+  m_PositionedTabs.InsertAt(iFind, iTabPos);
+  if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) {
+    m_bOrphanLine = GetLastPositionedTab() >= iLineEnd;
+  } else {
+    m_bOrphanLine = FALSE;
+  }
+}
+void CFX_RTFBreak::SetPositionedTabs(const CFX_FloatArray& tabs) {
+  m_PositionedTabs.RemoveAll();
+  int32_t iCount = tabs.GetSize();
+  m_PositionedTabs.SetSize(iCount);
+  int32_t iLineEnd = m_iBoundaryEnd;
+  int32_t iTabPos;
+  for (int32_t i = 0; i < iCount; i++) {
+    iTabPos = FXSYS_round(tabs[i] * 20000.0f) + m_iBoundaryStart;
+    if (iTabPos > iLineEnd) {
+      iTabPos = iLineEnd;
+    }
+    m_PositionedTabs[i] = iTabPos;
+  }
+  if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) {
+    m_bOrphanLine = GetLastPositionedTab() >= iLineEnd;
+  } else {
+    m_bOrphanLine = FALSE;
+  }
+}
+void CFX_RTFBreak::ClearPositionedTabs() {
+  m_PositionedTabs.RemoveAll();
+  m_bOrphanLine = FALSE;
+}
+void CFX_RTFBreak::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_RTFBreak::SetLineBreakChar(FX_WCHAR wch) {
+  if (wch != L'\r' && wch != L'\n') {
+    return;
+  }
+  m_wLineBreakChar = wch;
+}
+void CFX_RTFBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) {
+  m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
+}
+void CFX_RTFBreak::SetHorizontalScale(int32_t iScale) {
+  if (iScale < 0) {
+    iScale = 0;
+  }
+  if (m_iHorizontalScale == iScale) {
+    return;
+  }
+  SetBreakStatus();
+  m_iHorizontalScale = iScale;
+}
+void CFX_RTFBreak::SetVerticalScale(int32_t iScale) {
+  if (iScale < 0) {
+    iScale = 0;
+  }
+  if (m_iVerticalScale == iScale) {
+    return;
+  }
+  SetBreakStatus();
+  m_iVerticalScale = iScale;
+}
+void CFX_RTFBreak::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_RTFBreak::SetCharSpace(FX_FLOAT fCharSpace) {
+  m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
+}
+void CFX_RTFBreak::SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) {
+  m_bWordSpace = !bDefault;
+  m_iWordSpace = FXSYS_round(fWordSpace * 20000.0f);
+}
+void CFX_RTFBreak::SetReadingOrder(FX_BOOL bRTL) {
+  m_bRTL = bRTL;
+}
+void CFX_RTFBreak::SetAlignment(int32_t iAlignment) {
+  FXSYS_assert(iAlignment >= FX_RTFLINEALIGNMENT_Left &&
+               iAlignment <= FX_RTFLINEALIGNMENT_Distributed);
+  m_iAlignment = iAlignment;
+}
+void CFX_RTFBreak::SetUserData(IFX_Unknown* pUserData) {
+  if (m_pUserData == pUserData) {
+    return;
+  }
+  SetBreakStatus();
+  if (m_pUserData != NULL) {
+    m_pUserData->Release();
+  }
+  m_pUserData = pUserData;
+  if (m_pUserData != NULL) {
+    m_pUserData->AddRef();
+  }
+}
+static const int32_t gs_FX_RTFLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
+int32_t CFX_RTFBreak::GetLineRotation(FX_DWORD dwStyles) const {
+  return gs_FX_RTFLineRotations[(dwStyles & 0x0E) >> 1];
+}
+void CFX_RTFBreak::SetBreakStatus() {
+  m_dwIdentity++;
+  int32_t iCount = m_pCurLine->CountChars();
+  if (iCount < 1) {
+    return;
+  }
+  CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1);
+  if (tc.m_dwStatus == 0) {
+    tc.m_dwStatus = FX_RTFBREAK_PieceBreak;
+  }
+}
+CFX_RTFChar* CFX_RTFBreak::GetLastChar(int32_t index) const {
+  CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
+  int32_t iCount = tca.GetSize();
+  if (index < 0 || index >= iCount) {
+    return NULL;
+  }
+  CFX_RTFChar* pTC;
+  int32_t iStart = iCount - 1;
+  while (iStart > -1) {
+    pTC = tca.GetDataPtr(iStart--);
+    if (pTC->m_iCharWidth >= 0 ||
+        pTC->GetCharType() != FX_CHARTYPE_Combination) {
+      if (--index < 0) {
+        return pTC;
+      }
+    }
+  }
+  return NULL;
+}
+CFX_RTFLine* CFX_RTFBreak::GetRTFLine(FX_BOOL bReady) const {
+  if (bReady) {
+    if (m_iReady == 1) {
+      return (CFX_RTFLine*)&m_RTFLine1;
+    } else if (m_iReady == 2) {
+      return (CFX_RTFLine*)&m_RTFLine2;
+    } else {
+      return NULL;
+    }
+  }
+  FXSYS_assert(m_pCurLine != NULL);
+  return m_pCurLine;
+}
+CFX_RTFPieceArray* CFX_RTFBreak::GetRTFPieces(FX_BOOL bReady) const {
+  CFX_RTFLine* pRTFLine = GetRTFLine(bReady);
+  if (pRTFLine == NULL) {
+    return NULL;
+  }
+  return &pRTFLine->m_LinePieces;
+}
+inline FX_DWORD CFX_RTFBreak::GetUnifiedCharType(FX_DWORD dwType) const {
+  return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType;
+}
+int32_t CFX_RTFBreak::GetLastPositionedTab() const {
+  int32_t iCount = m_PositionedTabs.GetSize();
+  if (iCount < 1) {
+    return m_iBoundaryStart;
+  }
+  return m_PositionedTabs[iCount - 1];
+}
+FX_BOOL CFX_RTFBreak::GetPositionedTab(int32_t& iTabPos) const {
+  int32_t iCount = m_PositionedTabs.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    if (m_PositionedTabs[i] > iTabPos) {
+      iTabPos = m_PositionedTabs[i];
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+typedef FX_DWORD (CFX_RTFBreak::*FX_RTFBreak_LPFAppendChar)(
+    CFX_RTFChar* pCurChar,
+    int32_t iRotation);
+static const FX_RTFBreak_LPFAppendChar g_FX_RTFBreak_lpfAppendChar[16] = {
+    &CFX_RTFBreak::AppendChar_Others,      &CFX_RTFBreak::AppendChar_Tab,
+    &CFX_RTFBreak::AppendChar_Others,      &CFX_RTFBreak::AppendChar_Control,
+    &CFX_RTFBreak::AppendChar_Combination, &CFX_RTFBreak::AppendChar_Others,
+    &CFX_RTFBreak::AppendChar_Others,      &CFX_RTFBreak::AppendChar_Arabic,
+    &CFX_RTFBreak::AppendChar_Arabic,      &CFX_RTFBreak::AppendChar_Arabic,
+    &CFX_RTFBreak::AppendChar_Arabic,      &CFX_RTFBreak::AppendChar_Arabic,
+    &CFX_RTFBreak::AppendChar_Arabic,      &CFX_RTFBreak::AppendChar_Others,
+    &CFX_RTFBreak::AppendChar_Others,      &CFX_RTFBreak::AppendChar_Others,
+};
+FX_DWORD CFX_RTFBreak::AppendChar(FX_WCHAR wch) {
+  FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL && m_pArabicChar != NULL);
+  if (m_bCharCode) {
+    return AppendChar_CharCode(wch);
+  }
+  FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch];
+  FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
+  CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
+  CFX_RTFChar* pCurChar = tca.AddSpace();
+  pCurChar->m_dwStatus = 0;
+  pCurChar->m_wCharCode = wch;
+  pCurChar->m_dwCharProps = dwProps;
+  pCurChar->m_dwCharStyles = 0;
+  pCurChar->m_dwLayoutStyles = 0;
+  pCurChar->m_iFontSize = m_iFontSize;
+  pCurChar->m_iFontHeight = m_iFontHeight;
+  pCurChar->m_iHorizontalScale = m_iHorizontalScale;
+  pCurChar->m_iVertialScale = m_iVerticalScale;
+  pCurChar->m_nRotation = m_iCharRotation;
+  pCurChar->m_iCharWidth = 0;
+  pCurChar->m_dwIdentity = m_dwIdentity;
+  if (m_pUserData != NULL) {
+    m_pUserData->AddRef();
+  }
+  pCurChar->m_pUserData = m_pUserData;
+  FX_DWORD dwRet1 = FX_RTFBREAK_None;
+  if (dwType != FX_CHARTYPE_Combination &&
+      GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) {
+    if (!m_bSingleLine && !m_bOrphanLine && m_dwCharType > 0 &&
+        m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+      if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) {
+        dwRet1 = EndBreak(FX_RTFBREAK_LineBreak);
+        int32_t iCount = m_pCurLine->CountChars();
+        if (iCount > 0) {
+          pCurChar = m_pCurLine->m_LineChars.GetDataPtr(iCount - 1);
+        }
+      }
+    }
+  }
+  int32_t iRotation = m_iRotation;
+  if (m_bVertical && (dwProps & 0x8000) != 0) {
+    iRotation = (iRotation + 1) % 4;
+  }
+  FX_DWORD dwRet2 =
+      (this->*g_FX_RTFBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])(
+          pCurChar, iRotation);
+  m_dwCharType = dwType;
+  return std::max(dwRet1, dwRet2);
+}
+FX_DWORD CFX_RTFBreak::AppendChar_CharCode(FX_WCHAR wch) {
+  FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL);
+  FXSYS_assert(m_bCharCode);
+  m_pCurLine->m_iMBCSChars++;
+  CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
+  CFX_RTFChar* pCurChar = tca.AddSpace();
+  pCurChar->m_dwStatus = 0;
+  pCurChar->m_wCharCode = wch;
+  pCurChar->m_dwCharProps = 0;
+  pCurChar->m_dwCharStyles = 0;
+  pCurChar->m_dwLayoutStyles = m_dwLayoutStyles;
+  pCurChar->m_iFontSize = m_iFontSize;
+  pCurChar->m_iFontHeight = m_iFontHeight;
+  pCurChar->m_iHorizontalScale = m_iHorizontalScale;
+  pCurChar->m_iVertialScale = m_iVerticalScale;
+  pCurChar->m_nRotation = m_iCharRotation;
+  pCurChar->m_iCharWidth = 0;
+  pCurChar->m_dwIdentity = m_dwIdentity;
+  if (m_pUserData != NULL) {
+    m_pUserData->AddRef();
+  }
+  pCurChar->m_pUserData = m_pUserData;
+  int32_t iCharWidth = 0;
+  if (m_bVertical != FX_IsOdd(m_iRotation)) {
+    iCharWidth = 1000;
+  } else {
+    if (!m_pFont->GetCharWidth(wch, iCharWidth, TRUE)) {
+      iCharWidth = m_iDefChar;
+    }
+  }
+  iCharWidth *= m_iFontSize;
+  iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+  iCharWidth += m_iCharSpace;
+  pCurChar->m_iCharWidth = iCharWidth;
+  m_pCurLine->m_iWidth += iCharWidth;
+  m_dwCharType = 0;
+  if (!m_bSingleLine &&
+      m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+    return EndBreak(FX_RTFBREAK_LineBreak);
+  }
+  return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar* pCurChar,
+                                              int32_t iRotation) {
+  int32_t iCharWidth = 0;
+  if (m_bVertical != FX_IsOdd(iRotation)) {
+    iCharWidth = 1000;
+  } else {
+    if (!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth,
+                               m_bCharCode)) {
+      iCharWidth = 0;
+    }
+  }
+  iCharWidth *= m_iFontSize;
+  iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+  CFX_RTFChar* pLastChar = GetLastChar(0);
+  if (pLastChar != NULL && pLastChar->GetCharType() > FX_CHARTYPE_Combination) {
+    iCharWidth = -iCharWidth;
+  } else {
+    m_dwCharType = FX_CHARTYPE_Combination;
+  }
+  pCurChar->m_iCharWidth = iCharWidth;
+  if (iCharWidth > 0) {
+    m_pCurLine->m_iWidth += iCharWidth;
+  }
+  return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Tab(CFX_RTFChar* pCurChar,
+                                      int32_t iRotation) {
+  if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) {
+    FX_BOOL bBreak = FALSE;
+    if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) {
+      bBreak = (m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance);
+    }
+    int32_t& iLineWidth = m_pCurLine->m_iWidth;
+    int32_t iCharWidth = iLineWidth;
+    if (GetPositionedTab(iCharWidth)) {
+      iCharWidth -= iLineWidth;
+    } else {
+      iCharWidth = m_iTabWidth * (iLineWidth / m_iTabWidth + 1) - iLineWidth;
+    }
+    pCurChar->m_iCharWidth = iCharWidth;
+    iLineWidth += iCharWidth;
+    if (!m_bSingleLine && !m_bOrphanLine && bBreak) {
+      return EndBreak(FX_RTFBREAK_LineBreak);
+    }
+  }
+  return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Control(CFX_RTFChar* pCurChar,
+                                          int32_t iRotation) {
+  FX_DWORD dwRet2 = FX_RTFBREAK_None;
+  if (!m_bSingleLine) {
+    switch (pCurChar->m_wCharCode) {
+      case L'\v':
+      case 0x2028:
+        dwRet2 = FX_RTFBREAK_LineBreak;
+        break;
+      case L'\f':
+        dwRet2 = FX_RTFBREAK_PageBreak;
+        break;
+      case 0x2029:
+        dwRet2 = FX_RTFBREAK_ParagraphBreak;
+        break;
+      default:
+        if (pCurChar->m_wCharCode == m_wLineBreakChar) {
+          dwRet2 = FX_RTFBREAK_ParagraphBreak;
+        }
+        break;
+    }
+    if (dwRet2 != FX_RTFBREAK_None) {
+      dwRet2 = EndBreak(dwRet2);
+    }
+  }
+  return dwRet2;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar,
+                                         int32_t iRotation) {
+  CFX_RTFChar* pLastChar = NULL;
+  int32_t& iLineWidth = m_pCurLine->m_iWidth;
+  int32_t iCharWidth = 0;
+  FX_WCHAR wForm;
+  FX_BOOL bAlef = FALSE;
+  if (m_dwCharType >= FX_CHARTYPE_ArabicAlef &&
+      m_dwCharType <= FX_CHARTYPE_ArabicDistortion) {
+    pLastChar = GetLastChar(1);
+    if (pLastChar != NULL) {
+      iLineWidth -= pLastChar->m_iCharWidth;
+      CFX_RTFChar* 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 {
+        if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) {
+          if (!m_pFont->GetCharWidth(pLastChar->m_wCharCode, iCharWidth,
+                                     m_bCharCode)) {
+            iCharWidth = m_iDefChar;
+          }
+        }
+      }
+      iCharWidth *= m_iFontSize;
+      iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+      pLastChar->m_iCharWidth = iCharWidth;
+      iLineWidth += iCharWidth;
+      iCharWidth = 0;
+    }
+  }
+  wForm =
+      m_pArabicChar->GetFormChar(pCurChar, (bAlef ? NULL : pLastChar), NULL);
+  if (m_bVertical != FX_IsOdd(iRotation)) {
+    iCharWidth = 1000;
+  } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode) &&
+             !m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth,
+                                    m_bCharCode)) {
+    iCharWidth = m_iDefChar;
+  }
+
+  iCharWidth *= m_iFontSize;
+  iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+  pCurChar->m_iCharWidth = iCharWidth;
+  iLineWidth += iCharWidth;
+  m_pCurLine->m_iArabicChars++;
+  if (!m_bSingleLine && !m_bOrphanLine &&
+      m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+    return EndBreak(FX_RTFBREAK_LineBreak);
+  }
+  return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar,
+                                         int32_t iRotation) {
+  FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK);
+  FX_WCHAR wForm;
+  if (dwType == FX_CHARTYPE_Numeric) {
+    if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) {
+      wForm = pCurChar->m_wCharCode + 0x0630;
+    } else {
+      wForm = pCurChar->m_wCharCode;
+    }
+  } else if (m_bRTL || m_bVertical) {
+    wForm = FX_GetMirrorChar(pCurChar->m_wCharCode, pCurChar->m_dwCharProps,
+                             m_bRTL, m_bVertical);
+  } else {
+    wForm = pCurChar->m_wCharCode;
+  }
+  int32_t iCharWidth = 0;
+  if (m_bVertical != FX_IsOdd(iRotation)) {
+    iCharWidth = 1000;
+  } else {
+    if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) {
+      iCharWidth = m_iDefChar;
+    }
+  }
+  iCharWidth *= m_iFontSize;
+  iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+  iCharWidth += m_iCharSpace;
+  if (dwType == FX_CHARTYPE_Space && m_bWordSpace) {
+    iCharWidth += m_iWordSpace;
+  }
+  pCurChar->m_iCharWidth = iCharWidth;
+  m_pCurLine->m_iWidth += iCharWidth;
+  FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space ||
+                    (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0);
+  if (!m_bSingleLine && !m_bOrphanLine && bBreak &&
+      m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+    return EndBreak(FX_RTFBREAK_LineBreak);
+  }
+  return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::EndBreak(FX_DWORD dwStatus) {
+  FXSYS_assert(dwStatus >= FX_RTFBREAK_PieceBreak &&
+               dwStatus <= FX_RTFBREAK_PageBreak);
+  m_dwIdentity++;
+  CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+  int32_t iCount = pCurPieces->GetSize();
+  if (iCount > 0) {
+    CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount);
+    if (dwStatus > FX_RTFBREAK_PieceBreak) {
+      pLastPiece->m_dwStatus = dwStatus;
+    } else {
+      dwStatus = pLastPiece->m_dwStatus;
+    }
+    return dwStatus;
+  } else {
+    CFX_RTFLine* pLastLine = GetRTFLine(TRUE);
+    if (pLastLine != NULL) {
+      pCurPieces = &pLastLine->m_LinePieces;
+      iCount = pCurPieces->GetSize();
+      if (iCount-- > 0) {
+        CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(iCount);
+        if (dwStatus > FX_RTFBREAK_PieceBreak) {
+          pLastPiece->m_dwStatus = dwStatus;
+        } else {
+          dwStatus = pLastPiece->m_dwStatus;
+        }
+        return dwStatus;
+      }
+      return FX_RTFBREAK_None;
+    }
+    iCount = m_pCurLine->CountChars();
+    if (iCount < 1) {
+      return FX_RTFBREAK_None;
+    }
+    CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1);
+    tc.m_dwStatus = dwStatus;
+    if (dwStatus <= FX_RTFBREAK_PieceBreak) {
+      return dwStatus;
+    }
+  }
+  m_iReady = (m_pCurLine == &m_RTFLine1) ? 1 : 2;
+  CFX_RTFLine* pNextLine =
+      (m_pCurLine == &m_RTFLine1) ? &m_RTFLine2 : &m_RTFLine1;
+  FX_BOOL bAllChars = (m_iAlignment > FX_RTFLINEALIGNMENT_Right);
+  CFX_TPOArray tpos;
+  if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
+    goto EndBreak_Ret;
+  }
+  if (!m_bCharCode) {
+    EndBreak_BidiLine(tpos, dwStatus);
+  }
+  if (!m_bPagination && m_iAlignment > FX_RTFLINEALIGNMENT_Left) {
+    EndBreak_Alignment(tpos, bAllChars, dwStatus);
+  }
+EndBreak_Ret:
+  m_pCurLine = pNextLine;
+  m_pCurLine->m_iStart = m_iBoundaryStart;
+  CFX_RTFChar* pTC = GetLastChar(0);
+  m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType();
+  return dwStatus;
+}
+FX_BOOL CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine,
+                                         FX_BOOL bAllChars,
+                                         FX_DWORD dwStatus) {
+  FX_BOOL bDone = FALSE;
+  if (!m_bSingleLine && !m_bOrphanLine &&
+      m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
+    CFX_RTFChar& tc = m_pCurLine->GetChar(m_pCurLine->CountChars() - 1);
+    switch (tc.GetCharType()) {
+      case FX_CHARTYPE_Tab:
+        if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) {
+          SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+          bDone = TRUE;
+        }
+        break;
+      case FX_CHARTYPE_Control:
+        break;
+      case FX_CHARTYPE_Space:
+        if ((m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0) {
+          SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+          bDone = TRUE;
+        }
+        break;
+      default:
+        SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+        bDone = TRUE;
+        break;
+    }
+  }
+  if (m_bPagination || m_pCurLine->m_iMBCSChars > 0) {
+    const CFX_RTFChar* pCurChars = m_pCurLine->m_LineChars.GetData();
+    const CFX_RTFChar* pTC;
+    CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+    CFX_RTFPiece tp;
+    tp.m_pChars = &m_pCurLine->m_LineChars;
+    FX_BOOL bNew = TRUE;
+    FX_DWORD dwIdentity = (FX_DWORD)-1;
+    int32_t iLast = m_pCurLine->CountChars() - 1, j = 0;
+    for (int32_t i = 0; i <= iLast;) {
+      pTC = pCurChars + i;
+      if (bNew) {
+        tp.m_iStartChar = i;
+        tp.m_iStartPos += tp.m_iWidth;
+        tp.m_iWidth = 0;
+        tp.m_dwStatus = pTC->m_dwStatus;
+        tp.m_iFontSize = pTC->m_iFontSize;
+        tp.m_iFontHeight = pTC->m_iFontHeight;
+        tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+        tp.m_iVerticalScale = pTC->m_iVertialScale;
+        tp.m_dwLayoutStyles = pTC->m_dwLayoutStyles;
+        dwIdentity = pTC->m_dwIdentity;
+        tp.m_dwIdentity = dwIdentity;
+        tp.m_pUserData = pTC->m_pUserData;
+        j = i;
+        bNew = FALSE;
+      }
+      if (i == iLast || pTC->m_dwStatus != FX_RTFBREAK_None ||
+          pTC->m_dwIdentity != dwIdentity) {
+        tp.m_iChars = i - j;
+        if (pTC->m_dwIdentity == dwIdentity) {
+          tp.m_dwStatus = pTC->m_dwStatus;
+          tp.m_iWidth += pTC->m_iCharWidth;
+          tp.m_iChars += 1;
+          i++;
+        }
+        pCurPieces->Add(tp);
+        bNew = TRUE;
+      } else {
+        tp.m_iWidth += pTC->m_iCharWidth;
+        i++;
+      }
+    }
+    return TRUE;
+  }
+  if (bAllChars && !bDone) {
+    int32_t iEndPos = m_pCurLine->GetLineEnd();
+    GetBreakPos(m_pCurLine->m_LineChars, iEndPos, bAllChars, TRUE);
+  }
+  return FALSE;
+}
+void CFX_RTFBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) {
+  FX_TPO tpo;
+  CFX_RTFPiece tp;
+  CFX_RTFChar* pTC;
+  int32_t i, j;
+  CFX_RTFCharArray& chars = m_pCurLine->m_LineChars;
+  int32_t iCount = m_pCurLine->CountChars();
+  FX_BOOL bDone = (!m_bPagination && !m_bCharCode &&
+                   (m_pCurLine->m_iArabicChars > 0 || m_bRTL));
+  if (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_bRTL ? 1 : 0);
+  } else {
+    for (i = 0; i < iCount; i++) {
+      pTC = chars.GetDataPtr(i);
+      pTC->m_iBidiLevel = 0;
+      pTC->m_iBidiPos = 0;
+      pTC->m_iBidiOrder = 0;
+    }
+  }
+  tp.m_dwStatus = FX_RTFBREAK_PieceBreak;
+  tp.m_iStartPos = m_pCurLine->m_iStart;
+  tp.m_pChars = &chars;
+  CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+  int32_t iBidiLevel = -1, iCharWidth;
+  FX_DWORD dwIdentity = (FX_DWORD)-1;
+  i = j = 0;
+  while (i < iCount) {
+    pTC = chars.GetDataPtr(i);
+    if (iBidiLevel < 0) {
+      iBidiLevel = pTC->m_iBidiLevel;
+      iCharWidth = pTC->m_iCharWidth;
+      if (iCharWidth < 1) {
+        tp.m_iWidth = 0;
+      } else {
+        tp.m_iWidth = iCharWidth;
+      }
+      tp.m_iBidiLevel = iBidiLevel;
+      tp.m_iBidiPos = pTC->m_iBidiOrder;
+      tp.m_iFontSize = pTC->m_iFontSize;
+      tp.m_iFontHeight = pTC->m_iFontHeight;
+      tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
+      tp.m_iVerticalScale = pTC->m_iVertialScale;
+      dwIdentity = pTC->m_dwIdentity;
+      tp.m_dwIdentity = dwIdentity;
+      tp.m_pUserData = pTC->m_pUserData;
+      tp.m_dwStatus = FX_RTFBREAK_PieceBreak;
+      i++;
+    } else if (iBidiLevel != pTC->m_iBidiLevel ||
+               pTC->m_dwIdentity != dwIdentity) {
+      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 (!m_bCharCode) {
+    j = tpos.GetSize() - 1;
+    FX_TEXTLAYOUT_PieceSort(tpos, 0, j);
+    int32_t iStartPos = m_pCurLine->m_iStart;
+    for (i = 0; i <= j; i++) {
+      tpo = tpos.GetAt(i);
+      CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
+      ttp.m_iStartPos = iStartPos;
+      iStartPos += ttp.m_iWidth;
+    }
+  }
+}
+void CFX_RTFBreak::EndBreak_Alignment(CFX_TPOArray& tpos,
+                                      FX_BOOL bAllChars,
+                                      FX_DWORD dwStatus) {
+  CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
+  int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
+  int32_t iCount = pCurPieces->GetSize();
+  FX_BOOL bFind = FALSE;
+  FX_DWORD dwCharType;
+  int32_t i, j;
+  FX_TPO tpo;
+  for (i = iCount - 1; i > -1; i--) {
+    tpo = tpos.GetAt(i);
+    CFX_RTFPiece& 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) {
+      const CFX_RTFChar& tc = ttp.GetChar(j);
+      if (tc.m_nBreakType == FX_LBT_DIRECT_BRK) {
+        iGapChars++;
+      }
+      if (!bFind || !bAllChars) {
+        dwCharType = tc.GetCharType();
+        if (dwCharType == FX_CHARTYPE_Space ||
+            dwCharType == FX_CHARTYPE_Control) {
+          if (!bFind) {
+            iCharWidth = tc.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_iBoundaryEnd - iNetWidth;
+  int32_t iLowerAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_LowerMask);
+  int32_t iHigherAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_HigherMask);
+  if (iGapChars > 0 && (iHigherAlignment == FX_RTFLINEALIGNMENT_Distributed ||
+                        (iHigherAlignment == FX_RTFLINEALIGNMENT_Justified &&
+                         dwStatus != FX_RTFBREAK_ParagraphBreak))) {
+    int32_t iStart = -1;
+    for (i = 0; i < iCount; i++) {
+      tpo = tpos.GetAt(i);
+      CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
+      if (iStart < 0) {
+        iStart = ttp.m_iStartPos;
+      } else {
+        ttp.m_iStartPos = iStart;
+      }
+      int32_t k;
+      for (j = 0; j < ttp.m_iChars; j++) {
+        CFX_RTFChar& tc = ttp.GetChar(j);
+        if (tc.m_nBreakType != FX_LBT_DIRECT_BRK || tc.m_iCharWidth < 0) {
+          continue;
+        }
+        k = iOffset / iGapChars;
+        tc.m_iCharWidth += k;
+        ttp.m_iWidth += k;
+        iOffset -= k;
+        iGapChars--;
+        if (iGapChars < 1) {
+          break;
+        }
+      }
+      iStart += ttp.m_iWidth;
+    }
+  } else if (iLowerAlignment > FX_RTFLINEALIGNMENT_Left) {
+    if (iLowerAlignment == FX_RTFLINEALIGNMENT_Center) {
+      iOffset /= 2;
+    }
+    if (iOffset > 0) {
+      for (i = 0; i < iCount; i++) {
+        CFX_RTFPiece& ttp = pCurPieces->GetAt(i);
+        ttp.m_iStartPos += iOffset;
+      }
+    }
+  }
+}
+int32_t CFX_RTFBreak::GetBreakPos(CFX_RTFCharArray& tca,
+                                  int32_t& iEndPos,
+                                  FX_BOOL bAllChars,
+                                  FX_BOOL bOnlyBrk) {
+  int32_t iLength = tca.GetSize() - 1;
+  if (iLength < 1) {
+    return iLength;
+  }
+  int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1,
+          iLast = -1, iLastPos = -1;
+  if (m_bSingleLine || m_bOrphanLine || iEndPos <= m_iBoundaryEnd) {
+    if (!bAllChars || m_bCharCode) {
+      return iLength;
+    }
+    iBreak = iLength;
+    iBreakPos = iEndPos;
+  }
+  CFX_RTFChar* pCharArray = tca.GetData();
+  if (m_bCharCode) {
+    const CFX_RTFChar* pChar;
+    int32_t iCharWidth;
+    while (iLength > 0) {
+      if (iEndPos <= m_iBoundaryEnd) {
+        break;
+      }
+      pChar = pCharArray + iLength--;
+      iCharWidth = pChar->m_iCharWidth;
+      if (iCharWidth > 0) {
+        iEndPos -= iCharWidth;
+      }
+    }
+    return iLength;
+  }
+  FX_BOOL bSpaceBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0;
+  FX_BOOL bTabBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0;
+  FX_BOOL bNumberBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_NumberBreak) != 0;
+  FX_BOOL bInfixBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_InfixBreak) != 0;
+  FX_LINEBREAKTYPE eType;
+  FX_DWORD nCodeProp, nCur, nNext;
+  CFX_RTFChar* pCur = pCharArray + 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 = pCharArray + iLength;
+    nCodeProp = pCur->m_dwCharProps;
+    nCur = nCodeProp & 0x003F;
+    FX_BOOL bNeedBreak = FALSE;
+    if (nCur == FX_CBP_SP) {
+      bNeedBreak = !bSpaceBreak;
+      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 (nCur == FX_CBP_TB) {
+      bNeedBreak = !bTabBreak;
+      if (nNext == FX_CBP_TB) {
+        eType = bTabBreak ? 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 (bInfixBreak && nCur == FX_CBP_IS && nNext == FX_CBP_IS) {
+      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 = eType;
+    }
+    if (!bOnlyBrk) {
+      iCharWidth = pCur->m_iCharWidth;
+      FX_BOOL bBreak = FALSE;
+      if (nCur == FX_CBP_TB && bTabBreak) {
+        bBreak = iCharWidth > 0 && iEndPos - iCharWidth <= m_iBoundaryEnd;
+      } else {
+        bBreak = iEndPos <= m_iBoundaryEnd;
+      }
+      if (m_bSingleLine || m_bOrphanLine || bBreak || bNeedBreak) {
+        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;
+        }
+      }
+      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_RTFBreak::SplitTextLine(CFX_RTFLine* pCurLine,
+                                 CFX_RTFLine* pNextLine,
+                                 FX_BOOL bAllChars) {
+  FXSYS_assert(pCurLine != NULL && pNextLine != NULL);
+  int32_t iCount = pCurLine->CountChars();
+  if (iCount < 2) {
+    return;
+  }
+  int32_t iEndPos = pCurLine->GetLineEnd();
+  CFX_RTFCharArray& curChars = pCurLine->m_LineChars;
+  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_RTFCharArray& nextChars = pNextLine->m_LineChars;
+  int cur_size = curChars.GetSize();
+  nextChars.SetSize(cur_size - iCharPos);
+  FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
+               (cur_size - iCharPos) * sizeof(CFX_RTFChar));
+  iCount -= iCharPos;
+  cur_size = curChars.GetSize();
+  curChars.RemoveAt(cur_size - iCount, iCount);
+  pNextLine->m_iStart = pCurLine->m_iStart;
+  pNextLine->m_iWidth = pCurLine->GetLineEnd() - iEndPos;
+  pCurLine->m_iWidth = iEndPos;
+  CFX_RTFChar* tc = curChars.GetDataPtr(iCharPos - 1);
+  tc->m_nBreakType = FX_LBT_UNKNOWN;
+  iCount = nextChars.GetSize();
+  CFX_RTFChar* pNextChars = nextChars.GetData();
+  for (int32_t i = 0; i < iCount; i++) {
+    CFX_RTFChar* tc = pNextChars + i;
+    if (tc->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
+      pCurLine->m_iArabicChars--;
+      pNextLine->m_iArabicChars++;
+    }
+    if (tc->m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) {
+      pCurLine->m_iMBCSChars--;
+      pNextLine->m_iMBCSChars++;
+    }
+    tc->m_dwStatus = 0;
+  }
+}
+int32_t CFX_RTFBreak::CountBreakPieces() const {
+  CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE);
+  if (pRTFPieces == NULL) {
+    return 0;
+  }
+  return pRTFPieces->GetSize();
+}
+const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(int32_t index) const {
+  CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE);
+  if (pRTFPieces == NULL) {
+    return NULL;
+  }
+  if (index < 0 || index >= pRTFPieces->GetSize()) {
+    return NULL;
+  }
+  return pRTFPieces->GetPtrAt(index);
+}
+void CFX_RTFBreak::GetLineRect(CFX_RectF& rect) const {
+  rect.top = 0;
+  CFX_RTFLine* pRTFLine = GetRTFLine(TRUE);
+  if (pRTFLine == NULL) {
+    rect.left = ((FX_FLOAT)m_iBoundaryStart) / 20000.0f;
+    rect.width = rect.height = 0;
+    return;
+  }
+  rect.left = ((FX_FLOAT)pRTFLine->m_iStart) / 20000.0f;
+  rect.width = ((FX_FLOAT)pRTFLine->m_iWidth) / 20000.0f;
+  CFX_RTFPieceArray& rtfPieces = pRTFLine->m_LinePieces;
+  int32_t iCount = rtfPieces.GetSize();
+  if (iCount < 1) {
+    rect.width = 0;
+    return;
+  }
+  CFX_RTFPiece* pBreakPiece;
+  int32_t iLineHeight = 0, iMax;
+  for (int32_t i = 0; i < iCount; i++) {
+    pBreakPiece = rtfPieces.GetPtrAt(i);
+    int32_t iFontHeight = FXSYS_round(pBreakPiece->m_iFontHeight *
+                                      pBreakPiece->m_iVerticalScale / 100.0f);
+    iMax = std::max(pBreakPiece->m_iFontSize, iFontHeight);
+    if (i == 0) {
+      iLineHeight = iMax;
+    } else if (iLineHeight < iMax) {
+      iLineHeight = iMax;
+    }
+  }
+  rect.height = ((FX_FLOAT)iLineHeight) / 20.0f;
+}
+void CFX_RTFBreak::ClearBreakPieces() {
+  CFX_RTFLine* pRTFLine = GetRTFLine(TRUE);
+  if (pRTFLine != NULL) {
+    pRTFLine->RemoveAll(TRUE);
+  }
+  m_iReady = 0;
+}
+void CFX_RTFBreak::Reset() {
+  m_dwCharType = 0;
+  m_RTFLine1.RemoveAll(TRUE);
+  m_RTFLine2.RemoveAll(TRUE);
+}
+int32_t CFX_RTFBreak::GetDisplayPos(const FX_RTFTEXTOBJ* pText,
+                                    FXTEXT_CHARPOS* pCharPos,
+                                    FX_BOOL bCharCode,
+                                    CFX_WideString* pWSForms,
+                                    FX_AdjustCharDisplayPos pAdjustPos) const {
+  if (pText == NULL || pText->iLength < 1) {
+    return 0;
+  }
+  FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL &&
+               pText->pFont != NULL && pText->pRect != NULL);
+  const FX_WCHAR* pStr = pText->pStr;
+  int32_t* pWidths = pText->pWidths;
+  int32_t iLength = pText->iLength - 1;
+  IFX_Font* pFont = pText->pFont;
+  FX_DWORD dwStyles = pText->dwLayoutStyles;
+  CFX_RectF rtText(*pText->pRect);
+  FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
+  FX_FLOAT fFontSize = pText->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_RTFLAYOUTSTYLE_VerticalLayout) != 0;
+  FX_BOOL bVerticalChar = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0;
+  FX_BOOL bArabicNumber = (dwStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) != 0;
+  FX_BOOL bMBCSCode = (dwStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0;
+  int32_t iRotation = GetLineRotation(dwStyles) + pText->iCharRotation;
+  int32_t iCharRotation;
+  FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm;
+  int32_t iWidth, iCharWidth, iCharHeight;
+  FX_FLOAT fX, fY, fCharWidth, fCharHeight;
+  int32_t iHorScale = pText->iHorizontalScale;
+  int32_t iVerScale = pText->iVerticalScale;
+  FX_BOOL bEmptyChar;
+  FX_DWORD dwProps, dwCharType;
+  fX = rtText.left;
+  fY = rtText.top;
+  if (bVerticalDoc) {
+    fX += (rtText.width - fFontSize) / 2.0f;
+    if (bRTLPiece) {
+      fY = rtText.bottom();
+    }
+  } else {
+    if (bRTLPiece) {
+      fX = rtText.right();
+    }
+    fY += fAscent;
+  }
+  int32_t iCount = 0;
+  for (int32_t i = 0; i <= iLength; i++) {
+    wch = *pStr++;
+    iWidth = *pWidths++;
+    if (!bMBCSCode) {
+      dwProps = FX_GetUnicodeProperties(wch);
+      dwCharType = (dwProps & FX_CHARTYPEBITSMASK);
+      if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
+        wPrev = 0xFEFF;
+        continue;
+      }
+    } else {
+      dwProps = 0;
+      dwCharType = 0;
+    }
+    if (iWidth != 0) {
+      iCharWidth = iWidth;
+      if (iCharWidth < 0) {
+        iCharWidth = -iCharWidth;
+      }
+      if (!bMBCSCode) {
+        bEmptyChar = (dwCharType >= FX_CHARTYPE_Tab &&
+                      dwCharType <= FX_CHARTYPE_Control);
+      } else {
+        bEmptyChar = FALSE;
+      }
+      if (!bEmptyChar) {
+        iCount++;
+      }
+      if (pCharPos != NULL) {
+        iCharWidth /= iFontSize;
+        wForm = wch;
+        if (!bMBCSCode) {
+          if (dwCharType >= FX_CHARTYPE_ArabicAlef) {
+            if (i < iLength) {
+              wNext = *pStr;
+              if (*pWidths < 0) {
+                if (i + 1 < iLength) {
+                  wNext = pStr[1];
+                }
+              }
+            } else {
+              wNext = 0xFEFF;
+            }
+            wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext);
+          } else if (bRTLPiece || bVerticalChar) {
+            wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar);
+          } else if (dwCharType == FX_CHARTYPE_Numeric && bArabicNumber) {
+            wForm = wch + 0x0630;
+          }
+          dwProps = FX_GetUnicodeProperties(wForm);
+        }
+        iCharRotation = iRotation;
+        if (!bMBCSCode && bVerticalChar && (dwProps & 0x8000) != 0) {
+          iCharRotation++;
+          iCharRotation %= 4;
+        }
+        if (!bEmptyChar) {
+          if (bCharCode) {
+            pCharPos->m_GlyphIndex = wch;
+          } else {
+            pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wForm, bMBCSCode);
+            if (pCharPos->m_GlyphIndex == 0xFFFF) {
+              pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wch, bMBCSCode);
+            }
+          }
+          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 (!bMBCSCode && bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+          if (bVerticalDoc) {
+            fY -= fCharHeight;
+          } else {
+            fX -= fCharWidth;
+          }
+        }
+        if (!bEmptyChar) {
+          CFX_PointF ptOffset;
+          FX_BOOL bAdjusted = FALSE;
+          if (pAdjustPos) {
+            bAdjusted = pAdjustPos(wForm, bMBCSCode, pFont, fFontSize,
+                                   bVerticalChar, ptOffset);
+          }
+          if (!pAdjustPos && bVerticalChar && (dwProps & 0x00010000) != 0) {
+            CFX_Rect rtBBox;
+            rtBBox.Reset();
+            if (pFont->GetCharBBox(wForm, rtBBox, bMBCSCode)) {
+              ptOffset.x = fFontSize * (850 - rtBBox.right()) / 1000.0f;
+              ptOffset.y = fFontSize * (1000 - rtBBox.height) / 2000.0f;
+            }
+          }
+          pCharPos->m_OriginX = fX + ptOffset.x;
+          pCharPos->m_OriginY = fY - ptOffset.y;
+        }
+        if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
+          if (bVerticalDoc) {
+            fY += fCharHeight;
+          } else {
+            fX += fCharWidth;
+          }
+        }
+        if (!bEmptyChar) {
+          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 * iVerScale / 100.0f;
+            } 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 + fAscent * iVerScale / 100.0f - fAscent;
+            } 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;
+              pCharPos->m_OriginY += fCharWidth;
+            }
+          } else {
+            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 * iVerScale / 100.0f - 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;
+              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 * iVerScale / 100.0f;
+            }
+          }
+          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 = wch;
+    }
+  }
+  return iCount;
+}
+int32_t CFX_RTFBreak::GetCharRects(const FX_RTFTEXTOBJ* pText,
+                                   CFX_RectFArray& rtArray,
+                                   FX_BOOL bCharBBox) const {
+  if (pText == NULL || pText->iLength < 1) {
+    return 0;
+  }
+  FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL &&
+               pText->pFont != NULL && pText->pRect != NULL);
+  const FX_WCHAR* pStr = pText->pStr;
+  int32_t* pWidths = pText->pWidths;
+  int32_t iLength = pText->iLength;
+  CFX_RectF rect(*pText->pRect);
+  FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
+  FX_FLOAT fFontSize = pText->fFontSize;
+  int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
+  FX_FLOAT fScale = fFontSize / 1000.0f;
+  IFX_Font* pFont = pText->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_DWORD dwStyles = pText->dwLayoutStyles;
+  FX_BOOL bVertical = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0;
+  FX_BOOL bSingleLine = (dwStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0;
+  FX_BOOL bCombText = (dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
+  FX_WCHAR wch, wLineBreakChar = pText->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++) {
+    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;
+}