Clean up xfa_fontmgr.cpp.

xfa/fgas/layout/fgas_rtfbreak.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fgas/layout/fgas_rtfbreak.h"
 
 #include <algorithm>
 
 #include "core/fxcrt/include/fx_arabic.h"
 #include "core/fxcrt/include/fx_arb.h"
 #include "xfa/fgas/font/fgas_gefont.h"
 #include "xfa/fgas/layout/fgas_linebreak.h"
 #include "xfa/fgas/layout/fgas_unicode.h"
 
 CFX_RTFBreak::CFX_RTFBreak(uint32_t dwPolicies)
     : m_dwPolicies(dwPolicies),
       m_iBoundaryStart(0),
       m_iBoundaryEnd(2000000),
       m_dwLayoutStyles(0),
-      m_bPagination(FALSE),
-      m_bVertical(FALSE),
-      m_bSingleLine(FALSE),
-      m_bCharCode(FALSE),
+      m_bPagination(false),
+      m_bVertical(false),
+      m_bSingleLine(false),
+      m_bCharCode(false),
       m_pFont(nullptr),
       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(nullptr),
       m_eCharType(FX_CHARTYPE_Unknown),
       m_dwIdentity(0),
       m_RTFLine1(),
       m_RTFLine2(),
       m_pCurLine(nullptr),
       m_iReady(0),
       m_iTolerance(0) {
   m_pCurLine = &m_RTFLine1;
 }
+
 CFX_RTFBreak::~CFX_RTFBreak() {
   Reset();
   m_PositionedTabs.RemoveAll();
-  if (m_pUserData) {
+  if (m_pUserData)
     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(uint32_t dwLayoutStyles) {
-  if (m_dwLayoutStyles == 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(CFGAS_GEFont* pFont) {
   if (!pFont) {
     return;
   }
   if (m_pFont == pFont) {
     return;
   }
   SetBreakStatus();
   m_pFont = pFont;
   m_iDefChar = 0;
@@ skipping 233 matching lines @@
     &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,
 };
 uint32_t CFX_RTFBreak::AppendChar(FX_WCHAR wch) {
   ASSERT(m_pFont && m_pCurLine);
-  if (m_bCharCode) {
+  if (m_bCharCode)
     return AppendChar_CharCode(wch);
-  }
+
   uint32_t dwProps = kTextLayoutCodeProperties[(uint16_t)wch];
   FX_CHARTYPE chartype = GetCharTypeFromProp(dwProps);
   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;
@@ skipping 25 matching lines @@
   int32_t iRotation = m_iRotation;
   if (m_bVertical && (dwProps & 0x8000) != 0) {
     iRotation = (iRotation + 1) % 4;
   }
   uint32_t dwRet2 =
       (this->*g_FX_RTFBreak_lpfAppendChar[chartype >> FX_CHARTYPEBITS])(
           pCurChar, iRotation);
   m_eCharType = chartype;
   return std::max(dwRet1, dwRet2);
 }
+
 uint32_t CFX_RTFBreak::AppendChar_CharCode(FX_WCHAR wch) {
   ASSERT(m_pFont && m_pCurLine);
   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) {
+  if (m_pUserData)
     m_pUserData->Retain();
-  }
+
   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_eCharType = FX_CHARTYPE_Unknown;
   if (!m_bSingleLine &&
       m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
     return EndBreak(FX_RTFBREAK_LineBreak);
   }
   return FX_RTFBREAK_None;
 }
+
 uint32_t 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;
     }
@@ skipping 54 matching lines @@
           dwRet2 = FX_RTFBREAK_ParagraphBreak;
         }
         break;
     }
     if (dwRet2 != FX_RTFBREAK_None) {
       dwRet2 = EndBreak(dwRet2);
     }
   }
   return dwRet2;
 }
+
 uint32_t CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar,
                                          int32_t iRotation) {
   CFX_RTFChar* pLastChar = nullptr;
   int32_t& iLineWidth = m_pCurLine->m_iWidth;
   int32_t iCharWidth = 0;
   FX_WCHAR wForm;
   FX_BOOL bAlef = FALSE;
   if (m_eCharType >= FX_CHARTYPE_ArabicAlef &&
       m_eCharType <= FX_CHARTYPE_ArabicDistortion) {
     pLastChar = GetLastChar(1);
@@ skipping 38 matching lines @@
   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;
 }
+
 uint32_t CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar,
                                          int32_t iRotation) {
   FX_CHARTYPE chartype = pCurChar->GetCharType();
   FX_WCHAR wForm;
   if (chartype == FX_CHARTYPE_Numeric) {
-    if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) {
+    if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber)
       wForm = pCurChar->m_wCharCode + 0x0630;
-    } else {
+    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)) {
+  if (m_bVertical == FX_IsOdd(iRotation)) {
+    if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode))
+      iCharWidth = m_iDefChar;
+  } else {
     iCharWidth = 1000;
-  } else {
-    if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) {
-      iCharWidth = m_iDefChar;
-    }
   }
   iCharWidth *= m_iFontSize;
-  iCharWidth = iCharWidth * m_iHorizontalScale / 100;
+  iCharWidth *= m_iHorizontalScale / 100;
   iCharWidth += m_iCharSpace;
-  if (chartype == FX_CHARTYPE_Space && m_bWordSpace) {
+  if (chartype == FX_CHARTYPE_Space && m_bWordSpace)
     iCharWidth += m_iWordSpace;
-  }
+
   pCurChar->m_iCharWidth = iCharWidth;
   m_pCurLine->m_iWidth += iCharWidth;
-  FX_BOOL bBreak = (chartype != FX_CHARTYPE_Space ||
-                    (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0);
+  bool bBreak = (chartype != 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;
 }
+
 uint32_t CFX_RTFBreak::EndBreak(uint32_t dwStatus) {
   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) {
+    if (dwStatus > FX_RTFBREAK_PieceBreak)
       pLastPiece->m_dwStatus = dwStatus;
-    } else {
+    else
       dwStatus = pLastPiece->m_dwStatus;
-    }
     return dwStatus;
-  } else {
-    CFX_RTFLine* pLastLine = GetRTFLine(TRUE);
-    if (pLastLine) {
-      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) {
+  }
+
+  CFX_RTFLine* pLastLine = GetRTFLine(TRUE);
+  if (pLastLine) {
+    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(100);
-  if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
-    goto EndBreak_Ret;
+  if (!EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
+    if (!m_bCharCode)
+      EndBreak_BidiLine(tpos, dwStatus);
+
+    if (!m_bPagination && m_iAlignment > FX_RTFLINEALIGNMENT_Left)
+      EndBreak_Alignment(tpos, bAllChars, dwStatus);
   }
-  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_eCharType = pTC ? pTC->GetCharType() : FX_CHARTYPE_Unknown;
   return dwStatus;
 }
+
 FX_BOOL CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine,
                                          FX_BOOL bAllChars,
                                          uint32_t 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) {
@@ skipping 245 matching lines @@
       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) {
+  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) {
+    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) {
+      if (iEndPos <= m_iBoundaryEnd)
         break;
-      }
+
       pChar = pCharArray + iLength--;
       iCharWidth = pChar->m_iCharWidth;
-      if (iCharWidth > 0) {
+      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;
   uint32_t nCodeProp, nCur, nNext;
   CFX_RTFChar* pCur = pCharArray + iLength--;
@@ skipping 62 matching lines @@
           iLastPos = iEndPos;
         }
       }
       if (iCharWidth > 0) {
         iEndPos -= iCharWidth;
       }
     }
     nNext = nCodeProp & 0x003F;
     iLength--;
   }
-  if (bOnlyBrk) {
+  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) {
   ASSERT(pCurLine && pNextLine);
   int32_t iCount = pCurLine->CountChars();
   if (iCount < 2) {
     return;
   }
   int32_t iEndPos = pCurLine->GetLineEnd();
   CFX_RTFCharArray& curChars = pCurLine->m_LineChars;
@@ skipping 28 matching lines @@
       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);
   return pRTFPieces ? pRTFPieces->GetSize() : 0;
 }
+
 const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(int32_t index) const {
   CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE);
-  if (!pRTFPieces) {
+  if (!pRTFPieces)
     return nullptr;
-  }
-  if (index < 0 || index >= pRTFPieces->GetSize()) {
+
+  if (index < 0 || index >= pRTFPieces->GetSize())
     return nullptr;
-  }
+
   return pRTFPieces->GetPtrAt(index);
 }
+
 void CFX_RTFBreak::GetLineRect(CFX_RectF& rect) const {
   rect.top = 0;
   CFX_RTFLine* pRTFLine = GetRTFLine(TRUE);
   if (!pRTFLine) {
     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;
@@ skipping 341 matching lines @@
       if (bRTLPiece) {
         rect.left -= fCharSize;
         fStart -= fCharSize;
       } else {
         fStart += fCharSize;
       }
       rect.width = fCharSize;
     }
     if (bCharBBox && !bRet) {
       int32_t iCharWidth = 1000;
-      pFont->GetCharWidth(wch, iCharWidth);
+      pFont->GetCharWidth(wch, iCharWidth, false);
       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) {
@@ skipping 55 matching lines @@
       iLength(0),
       pFont(nullptr),
       fFontSize(12.0f),
       dwLayoutStyles(0),
       iCharRotation(0),
       iBidiLevel(0),
       pRect(nullptr),
       wLineBreakChar(L'\n'),
       iHorizontalScale(100),
       iVerticalScale(100) {}