Move some classes out of doc_vt.cpp into their own files.

core/fpdfdoc/ctypeset.cpp

Index: core/fpdfdoc/ctypeset.cpp
diff --git a/core/fpdfdoc/doc_vt.cpp b/core/fpdfdoc/ctypeset.cpp
similarity index 63%
copy from core/fpdfdoc/doc_vt.cpp
copy to core/fpdfdoc/ctypeset.cpp
index 7ca279b41b213a621f1db6b372d5304792f152b1..076c9018851e772edd8f268a11b42c8f8cc59999 100644
--- a/core/fpdfdoc/doc_vt.cpp
+++ b/core/fpdfdoc/ctypeset.cpp
@@ -1,397 +1,19 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
+// Copyright 2016 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 "core/fpdfdoc/ctypeset.h"
+
 #include <algorithm>
 
-#include "core/fpdfdoc/cpvt_wordinfo.h"
 #include "core/fpdfdoc/csection.h"
-#include "core/fpdfdoc/include/cpdf_variabletext.h"
-#include "core/fpdfdoc/include/fpdf_doc.h"
-#include "core/fpdfdoc/pdf_vt.h"
-
-CLine::CLine() {}
-CLine::~CLine() {}
-CPVT_WordPlace CLine::GetBeginWordPlace() const {
-  return CPVT_WordPlace(LinePlace.nSecIndex, LinePlace.nLineIndex, -1);
-}
-CPVT_WordPlace CLine::GetEndWordPlace() const {
-  return CPVT_WordPlace(LinePlace.nSecIndex, LinePlace.nLineIndex,
-                        m_LineInfo.nEndWordIndex);
-}
-CPVT_WordPlace CLine::GetPrevWordPlace(const CPVT_WordPlace& place) const {
-  if (place.nWordIndex > m_LineInfo.nEndWordIndex) {
-    return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
-                          m_LineInfo.nEndWordIndex);
-  }
-  return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
-                        place.nWordIndex - 1);
-}
-CPVT_WordPlace CLine::GetNextWordPlace(const CPVT_WordPlace& place) const {
-  if (place.nWordIndex < m_LineInfo.nBeginWordIndex) {
-    return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
-                          m_LineInfo.nBeginWordIndex);
-  }
-  return CPVT_WordPlace(place.nSecIndex, place.nLineIndex,
-                        place.nWordIndex + 1);
-}
-CSection::CSection(CPDF_VariableText* pVT) : m_pVT(pVT) {}
-CSection::~CSection() {
-  ResetAll();
-}
-void CSection::ResetAll() {
-  ResetWordArray();
-  ResetLineArray();
-}
-void CSection::ResetLineArray() {
-  m_LineArray.RemoveAll();
-}
-void CSection::ResetWordArray() {
-  for (int32_t i = 0, sz = m_WordArray.GetSize(); i < sz; i++) {
-    delete m_WordArray.GetAt(i);
-  }
-  m_WordArray.RemoveAll();
-}
-void CSection::ResetLinePlace() {
-  for (int32_t i = 0, sz = m_LineArray.GetSize(); i < sz; i++) {
-    if (CLine* pLine = m_LineArray.GetAt(i)) {
-      pLine->LinePlace = CPVT_WordPlace(SecPlace.nSecIndex, i, -1);
-    }
-  }
-}
-CPVT_WordPlace CSection::AddWord(const CPVT_WordPlace& place,
-                                 const CPVT_WordInfo& wordinfo) {
-  CPVT_WordInfo* pWord = new CPVT_WordInfo(wordinfo);
-  int32_t nWordIndex =
-      std::max(std::min(place.nWordIndex, m_WordArray.GetSize()), 0);
-  if (nWordIndex == m_WordArray.GetSize()) {
-    m_WordArray.Add(pWord);
-  } else {
-    m_WordArray.InsertAt(nWordIndex, pWord);
-  }
-  return place;
-}
-CPVT_WordPlace CSection::AddLine(const CPVT_LineInfo& lineinfo) {
-  return CPVT_WordPlace(SecPlace.nSecIndex, m_LineArray.Add(lineinfo), -1);
-}
-CPVT_FloatRect CSection::Rearrange() {
-  if (m_pVT->m_nCharArray > 0) {
-    return CTypeset(this).CharArray();
-  }
-  return CTypeset(this).Typeset();
-}
-CFX_SizeF CSection::GetSectionSize(FX_FLOAT fFontSize) {
-  return CTypeset(this).GetEditSize(fFontSize);
-}
-CPVT_WordPlace CSection::GetBeginWordPlace() const {
-  if (CLine* pLine = m_LineArray.GetAt(0)) {
-    return pLine->GetBeginWordPlace();
-  }
-  return SecPlace;
-}
-CPVT_WordPlace CSection::GetEndWordPlace() const {
-  if (CLine* pLine = m_LineArray.GetAt(m_LineArray.GetSize() - 1)) {
-    return pLine->GetEndWordPlace();
-  }
-  return SecPlace;
-}
-CPVT_WordPlace CSection::GetPrevWordPlace(const CPVT_WordPlace& place) const {
-  if (place.nLineIndex < 0) {
-    return GetBeginWordPlace();
-  }
-  if (place.nLineIndex >= m_LineArray.GetSize()) {
-    return GetEndWordPlace();
-  }
-  if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) {
-    if (place.nWordIndex == pLine->m_LineInfo.nBeginWordIndex) {
-      return CPVT_WordPlace(place.nSecIndex, place.nLineIndex, -1);
-    }
-    if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) {
-      if (CLine* pPrevLine = m_LineArray.GetAt(place.nLineIndex - 1)) {
-        return pPrevLine->GetEndWordPlace();
-      }
-    } else {
-      return pLine->GetPrevWordPlace(place);
-    }
-  }
-  return place;
-}
-CPVT_WordPlace CSection::GetNextWordPlace(const CPVT_WordPlace& place) const {
-  if (place.nLineIndex < 0) {
-    return GetBeginWordPlace();
-  }
-  if (place.nLineIndex >= m_LineArray.GetSize()) {
-    return GetEndWordPlace();
-  }
-  if (CLine* pLine = m_LineArray.GetAt(place.nLineIndex)) {
-    if (place.nWordIndex >= pLine->m_LineInfo.nEndWordIndex) {
-      if (CLine* pNextLine = m_LineArray.GetAt(place.nLineIndex + 1)) {
-        return pNextLine->GetBeginWordPlace();
-      }
-    } else {
-      return pLine->GetNextWordPlace(place);
-    }
-  }
-  return place;
-}
-void CSection::UpdateWordPlace(CPVT_WordPlace& place) const {
-  int32_t nLeft = 0;
-  int32_t nRight = m_LineArray.GetSize() - 1;
-  int32_t nMid = (nLeft + nRight) / 2;
-  while (nLeft <= nRight) {
-    if (CLine* pLine = m_LineArray.GetAt(nMid)) {
-      if (place.nWordIndex < pLine->m_LineInfo.nBeginWordIndex) {
-        nRight = nMid - 1;
-        nMid = (nLeft + nRight) / 2;
-      } else if (place.nWordIndex > pLine->m_LineInfo.nEndWordIndex) {
-        nLeft = nMid + 1;
-        nMid = (nLeft + nRight) / 2;
-      } else {
-        place.nLineIndex = nMid;
-        return;
-      }
-    } else {
-      break;
-    }
-  }
-}
-CPVT_WordPlace CSection::SearchWordPlace(const CFX_FloatPoint& point) const {
-  ASSERT(m_pVT);
-  CPVT_WordPlace place = GetBeginWordPlace();
-  FX_BOOL bUp = TRUE;
-  FX_BOOL bDown = TRUE;
-  int32_t nLeft = 0;
-  int32_t nRight = m_LineArray.GetSize() - 1;
-  int32_t nMid = m_LineArray.GetSize() / 2;
-  FX_FLOAT fTop = 0;
-  FX_FLOAT fBottom = 0;
-  while (nLeft <= nRight) {
-    if (CLine* pLine = m_LineArray.GetAt(nMid)) {
-      fTop = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineAscent -
-             m_pVT->GetLineLeading(m_SecInfo);
-      fBottom = pLine->m_LineInfo.fLineY - pLine->m_LineInfo.fLineDescent;
-      if (IsFloatBigger(point.y, fTop)) {
-        bUp = FALSE;
-      }
-      if (IsFloatSmaller(point.y, fBottom)) {
-        bDown = FALSE;
-      }
-      if (IsFloatSmaller(point.y, fTop)) {
-        nRight = nMid - 1;
-        nMid = (nLeft + nRight) / 2;
-        continue;
-      } else if (IsFloatBigger(point.y, fBottom)) {
-        nLeft = nMid + 1;
-        nMid = (nLeft + nRight) / 2;
-        continue;
-      } else {
-        place = SearchWordPlace(
-            point.x,
-            CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()),
-                           pLine->GetEndWordPlace()));
-        place.nLineIndex = nMid;
-        return place;
-      }
-    }
-  }
-  if (bUp) {
-    place = GetBeginWordPlace();
-  }
-  if (bDown) {
-    place = GetEndWordPlace();
-  }
-  return place;
-}
-CPVT_WordPlace CSection::SearchWordPlace(
-    FX_FLOAT fx,
-    const CPVT_WordPlace& lineplace) const {
-  if (CLine* pLine = m_LineArray.GetAt(lineplace.nLineIndex)) {
-    return SearchWordPlace(
-        fx - m_SecInfo.rcSection.left,
-        CPVT_WordRange(pLine->GetNextWordPlace(pLine->GetBeginWordPlace()),
-                       pLine->GetEndWordPlace()));
-  }
-  return GetBeginWordPlace();
-}
-CPVT_WordPlace CSection::SearchWordPlace(FX_FLOAT fx,
-                                         const CPVT_WordRange& range) const {
-  CPVT_WordPlace wordplace = range.BeginPos;
-  wordplace.nWordIndex = -1;
-  if (!m_pVT) {
-    return wordplace;
-  }
-  int32_t nLeft = range.BeginPos.nWordIndex;
-  int32_t nRight = range.EndPos.nWordIndex + 1;
-  int32_t nMid = (nLeft + nRight) / 2;
-  while (nLeft < nRight) {
-    if (nMid == nLeft) {
-      break;
-    }
-    if (nMid == nRight) {
-      nMid--;
-      break;
-    }
-    if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) {
-      if (fx >
-          pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) {
-        nLeft = nMid;
-        nMid = (nLeft + nRight) / 2;
-        continue;
-      } else {
-        nRight = nMid;
-        nMid = (nLeft + nRight) / 2;
-        continue;
-      }
-    } else {
-      break;
-    }
-  }
-  if (CPVT_WordInfo* pWord = m_WordArray.GetAt(nMid)) {
-    if (fx > pWord->fWordX + m_pVT->GetWordWidth(*pWord) * VARIABLETEXT_HALF) {
-      wordplace.nWordIndex = nMid;
-    }
-  }
-  return wordplace;
-}
-void CSection::ClearLeftWords(int32_t nWordIndex) {
-  for (int32_t i = nWordIndex; i >= 0; i--) {
-    delete m_WordArray.GetAt(i);
-    m_WordArray.RemoveAt(i);
-  }
-}
-void CSection::ClearRightWords(int32_t nWordIndex) {
-  for (int32_t i = m_WordArray.GetSize() - 1; i > nWordIndex; i--) {
-    delete m_WordArray.GetAt(i);
-    m_WordArray.RemoveAt(i);
-  }
-}
-void CSection::ClearMidWords(int32_t nBeginIndex, int32_t nEndIndex) {
-  for (int32_t i = nEndIndex; i > nBeginIndex; i--) {
-    delete m_WordArray.GetAt(i);
-    m_WordArray.RemoveAt(i);
-  }
-}
-void CSection::ClearWords(const CPVT_WordRange& PlaceRange) {
-  CPVT_WordPlace SecBeginPos = GetBeginWordPlace();
-  CPVT_WordPlace SecEndPos = GetEndWordPlace();
-  if (PlaceRange.BeginPos.WordCmp(SecBeginPos) >= 0) {
-    if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) {
-      ClearMidWords(PlaceRange.BeginPos.nWordIndex,
-                    PlaceRange.EndPos.nWordIndex);
-    } else {
-      ClearRightWords(PlaceRange.BeginPos.nWordIndex);
-    }
-  } else if (PlaceRange.EndPos.WordCmp(SecEndPos) <= 0) {
-    ClearLeftWords(PlaceRange.EndPos.nWordIndex);
-  } else {
-    ResetWordArray();
-  }
-}
-void CSection::ClearWord(const CPVT_WordPlace& place) {
-  delete m_WordArray.GetAt(place.nWordIndex);
-  m_WordArray.RemoveAt(place.nWordIndex);
-}
-CTypeset::CTypeset(CSection* pSection)
-    : m_rcRet(0.0f, 0.0f, 0.0f, 0.0f),
-      m_pVT(pSection->m_pVT),
-      m_pSection(pSection) {}
-CTypeset::~CTypeset() {}
-CPVT_FloatRect CTypeset::CharArray() {
-  ASSERT(m_pSection);
-  FX_FLOAT fLineAscent =
-      m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
-  FX_FLOAT fLineDescent =
-      m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
-  m_rcRet.Default();
-  FX_FLOAT x = 0.0f, y = 0.0f;
-  FX_FLOAT fNextWidth;
-  int32_t nStart = 0;
-  FX_FLOAT fNodeWidth = m_pVT->GetPlateWidth() /
-                        (m_pVT->m_nCharArray <= 0 ? 1 : m_pVT->m_nCharArray);
-  if (CLine* pLine = m_pSection->m_LineArray.GetAt(0)) {
-    x = 0.0f;
-    y += m_pVT->GetLineLeading(m_pSection->m_SecInfo);
-    y += fLineAscent;
-    nStart = 0;
-    switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) {
-      case 0:
-        pLine->m_LineInfo.fLineX = fNodeWidth * VARIABLETEXT_HALF;
-        break;
-      case 1:
-        nStart = (m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize()) / 2;
-        pLine->m_LineInfo.fLineX =
-            fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
-        break;
-      case 2:
-        nStart = m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize();
-        pLine->m_LineInfo.fLineX =
-            fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
-        break;
-    }
-    for (int32_t w = 0, sz = m_pSection->m_WordArray.GetSize(); w < sz; w++) {
-      if (w >= m_pVT->m_nCharArray) {
-        break;
-      }
-      fNextWidth = 0;
-      if (CPVT_WordInfo* pNextWord =
-              (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w + 1)) {
-        pNextWord->fWordTail = 0;
-        fNextWidth = m_pVT->GetWordWidth(*pNextWord);
-      }
-      if (CPVT_WordInfo* pWord =
-              (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w)) {
-        pWord->fWordTail = 0;
-        FX_FLOAT fWordWidth = m_pVT->GetWordWidth(*pWord);
-        FX_FLOAT fWordAscent = m_pVT->GetWordAscent(*pWord);
-        FX_FLOAT fWordDescent = m_pVT->GetWordDescent(*pWord);
-        x = (FX_FLOAT)(fNodeWidth * (w + nStart + 0.5) -
-                       fWordWidth * VARIABLETEXT_HALF);
-        pWord->fWordX = x;
-        pWord->fWordY = y;
-        if (w == 0) {
-          pLine->m_LineInfo.fLineX = x;
-        }
-        if (w != m_pSection->m_WordArray.GetSize() - 1) {
-          pWord->fWordTail =
-              (fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF > 0
-                   ? fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF
-                   : 0);
-        } else {
-          pWord->fWordTail = 0;
-        }
-        x += fWordWidth;
-        fLineAscent = std::max(fLineAscent, fWordAscent);
-        fLineDescent = std::min(fLineDescent, fWordDescent);
-      }
-    }
-    pLine->m_LineInfo.nBeginWordIndex = 0;
-    pLine->m_LineInfo.nEndWordIndex = m_pSection->m_WordArray.GetSize() - 1;
-    pLine->m_LineInfo.fLineY = y;
-    pLine->m_LineInfo.fLineWidth = x - pLine->m_LineInfo.fLineX;
-    pLine->m_LineInfo.fLineAscent = fLineAscent;
-    pLine->m_LineInfo.fLineDescent = fLineDescent;
-    y -= fLineDescent;
-  }
-  return m_rcRet = CPVT_FloatRect(0, 0, x, y);
-}
-CFX_SizeF CTypeset::GetEditSize(FX_FLOAT fFontSize) {
-  ASSERT(m_pSection);
-  ASSERT(m_pVT);
-  SplitLines(FALSE, fFontSize);
-  return CFX_SizeF(m_rcRet.Width(), m_rcRet.Height());
-}
-CPVT_FloatRect CTypeset::Typeset() {
-  ASSERT(m_pVT);
-  m_pSection->m_LineArray.Empty();
-  SplitLines(TRUE, 0.0f);
-  m_pSection->m_LineArray.Clear();
-  OutputLines();
-  return m_rcRet;
-}
+#include "core/fpdfdoc/cpvt_wordinfo.h"
 
-static const uint8_t special_chars[128] = {
+namespace {
+
+const uint8_t special_chars[128] = {
     0x00, 0x0C, 0x08, 0x0C, 0x08, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x00,
@@ -405,7 +27,7 @@ static const uint8_t special_chars[128] = {
     0x01, 0x01, 0x01, 0x0C, 0x00, 0x08, 0x00, 0x00,
 };
 
-static bool IsLatin(uint16_t word) {
+bool IsLatin(uint16_t word) {
   if (word <= 0x007F)
     return !!(special_chars[word] & 0x01);
 
@@ -418,11 +40,11 @@ static bool IsLatin(uint16_t word) {
           (word >= 0xFF41 && word <= 0xFF5A));
 }
 
-static bool IsDigit(uint32_t word) {
+bool IsDigit(uint32_t word) {
   return word >= 0x0030 && word <= 0x0039;
 }
 
-static bool IsCJK(uint32_t word) {
+bool IsCJK(uint32_t word) {
   if ((word >= 0x1100 && word <= 0x11FF) ||
       (word >= 0x2E80 && word <= 0x2FFF) ||
       (word >= 0x3040 && word <= 0x9FBF) ||
@@ -443,7 +65,7 @@ static bool IsCJK(uint32_t word) {
   return word >= 0xFF66 && word <= 0xFF9D;
 }
 
-static bool IsPunctuation(uint32_t word) {
+bool IsPunctuation(uint32_t word) {
   if (word <= 0x007F)
     return !!(special_chars[word] & 0x08);
 
@@ -490,11 +112,11 @@ static bool IsPunctuation(uint32_t word) {
   return false;
 }
 
-static bool IsConnectiveSymbol(uint32_t word) {
+bool IsConnectiveSymbol(uint32_t word) {
   return word <= 0x007F && (special_chars[word] & 0x20);
 }
 
-static bool IsOpenStylePunctuation(uint32_t word) {
+bool IsOpenStylePunctuation(uint32_t word) {
   if (word <= 0x007F)
     return !!(special_chars[word] & 0x04);
 
@@ -504,7 +126,7 @@ static bool IsOpenStylePunctuation(uint32_t word) {
           word == 0xFF3B || word == 0xFF5B || word == 0xFF62);
 }
 
-static bool IsCurrencySymbol(uint16_t word) {
+bool IsCurrencySymbol(uint16_t word) {
   return (word == 0x0024 || word == 0x0080 || word == 0x00A2 ||
           word == 0x00A3 || word == 0x00A4 || word == 0x00A5 ||
           (word >= 0x20A0 && word <= 0x20CF) || word == 0xFE69 ||
@@ -512,15 +134,15 @@ static bool IsCurrencySymbol(uint16_t word) {
           word == 0xFFE5 || word == 0xFFE6);
 }
 
-static bool IsPrefixSymbol(uint16_t word) {
+bool IsPrefixSymbol(uint16_t word) {
   return IsCurrencySymbol(word) || word == 0x2116;
 }
 
-static bool IsSpace(uint16_t word) {
+bool IsSpace(uint16_t word) {
   return word == 0x0020 || word == 0x3000;
 }
 
-static bool NeedDivision(uint16_t prevWord, uint16_t curWord) {
+bool NeedDivision(uint16_t prevWord, uint16_t curWord) {
   if ((IsLatin(prevWord) || IsDigit(prevWord)) &&
       (IsLatin(curWord) || IsDigit(curWord))) {
     return false;
@@ -546,6 +168,110 @@ static bool NeedDivision(uint16_t prevWord, uint16_t curWord) {
   return false;
 }
 
+}  // namespace
+
+CTypeset::CTypeset(CSection* pSection)
+    : m_rcRet(0.0f, 0.0f, 0.0f, 0.0f),
+      m_pVT(pSection->m_pVT),
+      m_pSection(pSection) {}
+
+CTypeset::~CTypeset() {}
+
+CPVT_FloatRect CTypeset::CharArray() {
+  ASSERT(m_pSection);
+  FX_FLOAT fLineAscent =
+      m_pVT->GetFontAscent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
+  FX_FLOAT fLineDescent =
+      m_pVT->GetFontDescent(m_pVT->GetDefaultFontIndex(), m_pVT->GetFontSize());
+  m_rcRet.Default();
+  FX_FLOAT x = 0.0f, y = 0.0f;
+  FX_FLOAT fNextWidth;
+  int32_t nStart = 0;
+  FX_FLOAT fNodeWidth = m_pVT->GetPlateWidth() /
+                        (m_pVT->m_nCharArray <= 0 ? 1 : m_pVT->m_nCharArray);
+  if (CLine* pLine = m_pSection->m_LineArray.GetAt(0)) {
+    x = 0.0f;
+    y += m_pVT->GetLineLeading(m_pSection->m_SecInfo);
+    y += fLineAscent;
+    nStart = 0;
+    switch (m_pVT->GetAlignment(m_pSection->m_SecInfo)) {
+      case 0:
+        pLine->m_LineInfo.fLineX = fNodeWidth * VARIABLETEXT_HALF;
+        break;
+      case 1:
+        nStart = (m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize()) / 2;
+        pLine->m_LineInfo.fLineX =
+            fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
+        break;
+      case 2:
+        nStart = m_pVT->m_nCharArray - m_pSection->m_WordArray.GetSize();
+        pLine->m_LineInfo.fLineX =
+            fNodeWidth * nStart - fNodeWidth * VARIABLETEXT_HALF;
+        break;
+    }
+    for (int32_t w = 0, sz = m_pSection->m_WordArray.GetSize(); w < sz; w++) {
+      if (w >= m_pVT->m_nCharArray) {
+        break;
+      }
+      fNextWidth = 0;
+      if (CPVT_WordInfo* pNextWord =
+              (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w + 1)) {
+        pNextWord->fWordTail = 0;
+        fNextWidth = m_pVT->GetWordWidth(*pNextWord);
+      }
+      if (CPVT_WordInfo* pWord =
+              (CPVT_WordInfo*)m_pSection->m_WordArray.GetAt(w)) {
+        pWord->fWordTail = 0;
+        FX_FLOAT fWordWidth = m_pVT->GetWordWidth(*pWord);
+        FX_FLOAT fWordAscent = m_pVT->GetWordAscent(*pWord);
+        FX_FLOAT fWordDescent = m_pVT->GetWordDescent(*pWord);
+        x = (FX_FLOAT)(fNodeWidth * (w + nStart + 0.5) -
+                       fWordWidth * VARIABLETEXT_HALF);
+        pWord->fWordX = x;
+        pWord->fWordY = y;
+        if (w == 0) {
+          pLine->m_LineInfo.fLineX = x;
+        }
+        if (w != m_pSection->m_WordArray.GetSize() - 1) {
+          pWord->fWordTail =
+              (fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF > 0
+                   ? fNodeWidth - (fWordWidth + fNextWidth) * VARIABLETEXT_HALF
+                   : 0);
+        } else {
+          pWord->fWordTail = 0;
+        }
+        x += fWordWidth;
+        fLineAscent = std::max(fLineAscent, fWordAscent);
+        fLineDescent = std::min(fLineDescent, fWordDescent);
+      }
+    }
+    pLine->m_LineInfo.nBeginWordIndex = 0;
+    pLine->m_LineInfo.nEndWordIndex = m_pSection->m_WordArray.GetSize() - 1;
+    pLine->m_LineInfo.fLineY = y;
+    pLine->m_LineInfo.fLineWidth = x - pLine->m_LineInfo.fLineX;
+    pLine->m_LineInfo.fLineAscent = fLineAscent;
+    pLine->m_LineInfo.fLineDescent = fLineDescent;
+    y -= fLineDescent;
+  }
+  return m_rcRet = CPVT_FloatRect(0, 0, x, y);
+}
+
+CFX_SizeF CTypeset::GetEditSize(FX_FLOAT fFontSize) {
+  ASSERT(m_pSection);
+  ASSERT(m_pVT);
+  SplitLines(FALSE, fFontSize);
+  return CFX_SizeF(m_rcRet.Width(), m_rcRet.Height());
+}
+
+CPVT_FloatRect CTypeset::Typeset() {
+  ASSERT(m_pVT);
+  m_pSection->m_LineArray.Empty();
+  SplitLines(TRUE, 0.0f);
+  m_pSection->m_LineArray.Clear();
+  OutputLines();
+  return m_rcRet;
+}
+
 void CTypeset::SplitLines(FX_BOOL bTypeset, FX_FLOAT fFontSize) {
   ASSERT(m_pVT);
   ASSERT(m_pSection);
@@ -693,6 +419,7 @@ void CTypeset::SplitLines(FX_BOOL bTypeset, FX_FLOAT fFontSize) {
   }
   m_rcRet = CPVT_FloatRect(0, 0, fMaxX, fMaxY);
 }
+
 void CTypeset::OutputLines() {
   ASSERT(m_pVT);
   ASSERT(m_pSection);