clang-format all code

core/src/fpdftext/fpdf_text.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 "../../include/fpdfapi/fpdf_page.h"
 #include "../../include/fpdfapi/fpdf_pageobj.h"
 #include "../../include/fpdftext/fpdf_text.h"
 #include "txtproc.h"
 #include "text_int.h"
 #if !defined(_FPDFAPI_MINI_) || defined(_FXCORE_FEATURE_ALL_)
 extern FX_LPCSTR FCS_GetAltStr(FX_WCHAR);
-CFX_ByteString CharFromUnicodeAlt(FX_WCHAR unicode, int destcp, FX_LPCSTR defchar)
-{
-    if (destcp == 0) {
-        if (unicode < 0x80) {
-            return CFX_ByteString((char)unicode);
-        }
-        FX_LPCSTR altstr = FCS_GetAltStr(unicode);
-        if (altstr) {
-            return CFX_ByteString(altstr, -1);
-        }
-        return CFX_ByteString(defchar, -1);
-    }
-    FX_BOOL bDef = FALSE;
-    char buf[10];
-    int ret = FXSYS_WideCharToMultiByte(destcp, 0, (wchar_t*)&unicode, 1, buf, 10, NULL, &bDef);
-    if (ret && !bDef) {
-        return CFX_ByteString(buf, ret);
+CFX_ByteString CharFromUnicodeAlt(FX_WCHAR unicode,
+                                  int destcp,
+                                  FX_LPCSTR defchar) {
+  if (destcp == 0) {
+    if (unicode < 0x80) {
+      return CFX_ByteString((char)unicode);
     }
     FX_LPCSTR altstr = FCS_GetAltStr(unicode);
     if (altstr) {
-        return CFX_ByteString(altstr, -1);
+      return CFX_ByteString(altstr, -1);
     }
     return CFX_ByteString(defchar, -1);
-}
-CTextPage::CTextPage()
-{
-}
-CTextPage::~CTextPage()
-{
+  }
+  FX_BOOL bDef = FALSE;
+  char buf[10];
+  int ret = FXSYS_WideCharToMultiByte(
+      destcp, 0, (wchar_t*)&unicode, 1, buf, 10, NULL, &bDef);
+  if (ret && !bDef) {
+    return CFX_ByteString(buf, ret);
+  }
+  FX_LPCSTR altstr = FCS_GetAltStr(unicode);
+  if (altstr) {
+    return CFX_ByteString(altstr, -1);
+  }
+  return CFX_ByteString(defchar, -1);
+}
+CTextPage::CTextPage() {
+}
+CTextPage::~CTextPage() {
+  int i;
+  for (i = 0; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    delete pBaseLine;
+  }
+  for (i = 0; i < m_TextColumns.GetSize(); i++) {
+    CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i);
+    delete pTextColumn;
+  }
+}
+void CTextPage::ProcessObject(CPDF_PageObject* pObject) {
+  if (pObject->m_Type != PDFPAGE_TEXT) {
+    return;
+  }
+  CPDF_TextObject* pText = (CPDF_TextObject*)pObject;
+  CPDF_Font* pFont = pText->m_TextState.GetFont();
+  int count = pText->CountItems();
+  FX_FLOAT* pPosArray = FX_Alloc(FX_FLOAT, count * 2);
+  if (pPosArray) {
+    pText->CalcCharPos(pPosArray);
+  }
+  FX_FLOAT fontsize_h = pText->m_TextState.GetFontSizeH();
+  FX_FLOAT fontsize_v = pText->m_TextState.GetFontSizeV();
+  FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' ');
+  FX_FLOAT spacew = 0;
+  if (space_charcode != -1) {
+    spacew = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000;
+  }
+  if (spacew == 0) {
+    spacew = fontsize_h / 4;
+  }
+  if (pText->m_TextState.GetBaselineAngle() != 0) {
+    int cc = 0;
+    CFX_AffineMatrix matrix;
+    pText->GetTextMatrix(&matrix);
+    for (int i = 0; i < pText->m_nChars; i++) {
+      FX_DWORD charcode = pText->m_nChars == 1
+                              ? (FX_DWORD)(FX_UINTPTR) pText->m_pCharCodes
+                              : pText->m_pCharCodes[i];
+      if (charcode == (FX_DWORD)-1) {
+        continue;
+      }
+      FX_RECT char_box;
+      pFont->GetCharBBox(charcode, char_box);
+      FX_FLOAT char_left =
+          pPosArray ? pPosArray[cc * 2]
+                    : char_box.left * pText->m_TextState.GetFontSize() / 1000;
+      FX_FLOAT char_right =
+          pPosArray ? pPosArray[cc * 2 + 1]
+                    : char_box.right * pText->m_TextState.GetFontSize() / 1000;
+      FX_FLOAT char_top =
+          char_box.top * pText->m_TextState.GetFontSize() / 1000;
+      FX_FLOAT char_bottom =
+          char_box.bottom * pText->m_TextState.GetFontSize() / 1000;
+      cc++;
+      FX_FLOAT char_origx, char_origy;
+      matrix.Transform(char_left, 0, char_origx, char_origy);
+      matrix.TransformRect(char_left, char_right, char_top, char_bottom);
+      CFX_ByteString str;
+      pFont->AppendChar(str, charcode);
+      InsertTextBox(NULL,
+                    char_origy,
+                    char_left,
+                    char_right,
+                    char_top,
+                    char_bottom,
+                    spacew,
+                    fontsize_v,
+                    str,
+                    pFont);
+    }
+    if (pPosArray) {
+      FX_Free(pPosArray);
+    }
+    return;
+  }
+  FX_FLOAT ratio_h = fontsize_h / pText->m_TextState.GetFontSize();
+  for (int ii = 0; ii < count * 2; ii++) {
+    pPosArray[ii] *= ratio_h;
+  }
+  FX_FLOAT baseline = pText->m_PosY;
+  CTextBaseLine* pBaseLine = NULL;
+  FX_FLOAT topy = pText->m_Top;
+  FX_FLOAT bottomy = pText->m_Bottom;
+  FX_FLOAT leftx = pText->m_Left;
+  int cc = 0;
+  CFX_ByteString segment;
+  int space_count = 0;
+  FX_FLOAT last_left = 0, last_right = 0, segment_left = 0, segment_right = 0;
+  for (int i = 0; i < pText->m_nChars; i++) {
+    FX_DWORD charcode = pText->m_nChars == 1
+                            ? (FX_DWORD)(FX_UINTPTR) pText->m_pCharCodes
+                            : pText->m_pCharCodes[i];
+    if (charcode == (FX_DWORD)-1) {
+      continue;
+    }
+    FX_FLOAT char_left = pPosArray[cc * 2];
+    FX_FLOAT char_right = pPosArray[cc * 2 + 1];
+    cc++;
+    if (char_left < last_left || (char_left - last_right) > spacew / 2) {
+      pBaseLine = InsertTextBox(pBaseLine,
+                                baseline,
+                                leftx + segment_left,
+                                leftx + segment_right,
+                                topy,
+                                bottomy,
+                                spacew,
+                                fontsize_v,
+                                segment,
+                                pFont);
+      segment_left = char_left;
+      segment = "";
+    }
+    if (space_count > 1) {
+      pBaseLine = InsertTextBox(pBaseLine,
+                                baseline,
+                                leftx + segment_left,
+                                leftx + segment_right,
+                                topy,
+                                bottomy,
+                                spacew,
+                                fontsize_v,
+                                segment,
+                                pFont);
+      segment = "";
+    } else if (space_count == 1) {
+      pFont->AppendChar(segment, ' ');
+    }
+    if (segment.GetLength() == 0) {
+      segment_left = char_left;
+    }
+    segment_right = char_right;
+    pFont->AppendChar(segment, charcode);
+    space_count = 0;
+    last_left = char_left;
+    last_right = char_right;
+  }
+  if (segment.GetLength())
+    pBaseLine = InsertTextBox(pBaseLine,
+                              baseline,
+                              leftx + segment_left,
+                              leftx + segment_right,
+                              topy,
+                              bottomy,
+                              spacew,
+                              fontsize_v,
+                              segment,
+                              pFont);
+  FX_Free(pPosArray);
+}
+static void ConvertPDFString(CFX_ByteString& result,
+                             CFX_ByteString& src,
+                             CPDF_Font* pFont);
+CTextBaseLine* CTextPage::InsertTextBox(CTextBaseLine* pBaseLine,
+                                        FX_FLOAT basey,
+                                        FX_FLOAT leftx,
+                                        FX_FLOAT rightx,
+                                        FX_FLOAT topy,
+                                        FX_FLOAT bottomy,
+                                        FX_FLOAT spacew,
+                                        FX_FLOAT fontsize_v,
+                                        CFX_ByteString& str,
+                                        CPDF_Font* pFont) {
+  if (str.GetLength() == 0) {
+    return NULL;
+  }
+  if (pBaseLine == NULL) {
     int i;
-    for (i = 0; i < m_BaseLines.GetSize(); i ++) {
+    for (i = 0; i < m_BaseLines.GetSize(); i++) {
+      CTextBaseLine* pExistLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+      if (pExistLine->m_BaseLine == basey) {
+        pBaseLine = pExistLine;
+        break;
+      }
+      if (pExistLine->m_BaseLine < basey) {
+        break;
+      }
+    }
+    if (pBaseLine == NULL) {
+      pBaseLine = FX_NEW CTextBaseLine;
+      if (NULL == pBaseLine) {
+        return NULL;
+      }
+      pBaseLine->m_BaseLine = basey;
+      m_BaseLines.InsertAt(i, pBaseLine);
+    }
+  }
+  CFX_WideString text;
+  FX_LPCSTR pStr = str;
+  int len = str.GetLength(), offset = 0;
+  while (offset < len) {
+    FX_DWORD ch = pFont->GetNextChar(pStr, offset);
+    CFX_WideString unicode_str = pFont->UnicodeFromCharCode(ch);
+    text += unicode_str;
+  }
+  pBaseLine->InsertTextBox(
+      leftx, rightx, topy, bottomy, spacew, fontsize_v, text);
+  return pBaseLine;
+}
+void CTextPage::WriteOutput(CFX_WideStringArray& lines, int iMinWidth) {
+  FX_FLOAT lastheight = -1;
+  FX_FLOAT lastbaseline = -1;
+  FX_FLOAT MinLeftX = 1000000;
+  FX_FLOAT MaxRightX = 0;
+  int i;
+  for (i = 0; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    FX_FLOAT leftx, rightx;
+    if (pBaseLine->GetWidth(leftx, rightx)) {
+      if (leftx < MinLeftX) {
+        MinLeftX = leftx;
+      }
+      if (rightx > MaxRightX) {
+        MaxRightX = rightx;
+      }
+    }
+  }
+  for (i = 0; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    pBaseLine->MergeBoxes();
+  }
+  for (i = 1; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    CTextBaseLine* pPrevLine = (CTextBaseLine*)m_BaseLines.GetAt(i - 1);
+    if (pBaseLine->CanMerge(pPrevLine)) {
+      pPrevLine->Merge(pBaseLine);
+      delete pBaseLine;
+      m_BaseLines.RemoveAt(i);
+      i--;
+    }
+  }
+  if (m_bAutoWidth) {
+    int* widths = FX_Alloc(int, m_BaseLines.GetSize());
+    if (widths) {
+      for (i = 0; i < m_BaseLines.GetSize(); i++) {
+        widths[i] = 0;
         CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        delete pBaseLine;
-    }
-    for (i = 0; i < m_TextColumns.GetSize(); i ++) {
-        CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i);
-        delete pTextColumn;
-    }
-}
-void CTextPage::ProcessObject(CPDF_PageObject* pObject)
-{
-    if (pObject->m_Type != PDFPAGE_TEXT) {
-        return;
-    }
-    CPDF_TextObject* pText = (CPDF_TextObject*)pObject;
-    CPDF_Font* pFont = pText->m_TextState.GetFont();
-    int count = pText->CountItems();
-    FX_FLOAT* pPosArray = FX_Alloc(FX_FLOAT, count * 2);
-    if (pPosArray) {
-        pText->CalcCharPos(pPosArray);
-    }
-    FX_FLOAT fontsize_h = pText->m_TextState.GetFontSizeH();
-    FX_FLOAT fontsize_v = pText->m_TextState.GetFontSizeV();
-    FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' ');
-    FX_FLOAT spacew = 0;
-    if (space_charcode != -1) {
-        spacew = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000;
-    }
-    if (spacew == 0) {
-        spacew = fontsize_h / 4;
-    }
-    if (pText->m_TextState.GetBaselineAngle() != 0) {
-        int cc = 0;
-        CFX_AffineMatrix matrix;
-        pText->GetTextMatrix(&matrix);
-        for (int i = 0; i < pText->m_nChars; i ++) {
-            FX_DWORD charcode = pText->m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)pText->m_pCharCodes : pText->m_pCharCodes[i];
-            if (charcode == (FX_DWORD) - 1) {
-                continue;
+        int TotalChars = 0;
+        FX_FLOAT TotalWidth = 0;
+        int minchars;
+        pBaseLine->CountChars(TotalChars, TotalWidth, minchars);
+        if (TotalChars) {
+          FX_FLOAT charwidth = TotalWidth / TotalChars;
+          widths[i] = (int)((MaxRightX - MinLeftX) / charwidth);
+        }
+        if (widths[i] > 1000) {
+          widths[i] = 1000;
+        }
+        if (widths[i] < minchars) {
+          widths[i] = minchars;
+        }
+      }
+      int AvgWidth = 0, widthcount = 0;
+      for (i = 0; i < m_BaseLines.GetSize(); i++)
+        if (widths[i]) {
+          AvgWidth += widths[i];
+          widthcount++;
+        }
+      AvgWidth = int((FX_FLOAT)AvgWidth / widthcount + 0.5);
+      int MaxWidth = 0;
+      for (i = 0; i < m_BaseLines.GetSize(); i++)
+        if (MaxWidth < widths[i]) {
+          MaxWidth = widths[i];
+        }
+      if (MaxWidth > AvgWidth * 6 / 5) {
+        MaxWidth = AvgWidth * 6 / 5;
+      }
+      FX_Free(widths);
+      if (iMinWidth < MaxWidth) {
+        iMinWidth = MaxWidth;
+      }
+    }
+  }
+  for (i = 0; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    pBaseLine->MergeBoxes();
+  }
+  if (m_bKeepColumn) {
+    FindColumns();
+  }
+  for (i = 0; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    if (lastheight >= 0) {
+      FX_FLOAT dy = lastbaseline - pBaseLine->m_BaseLine;
+      if (dy >= (pBaseLine->m_MaxFontSizeV) * 1.5 || dy >= lastheight * 1.5) {
+        lines.Add(L"");
+      }
+    }
+    lastheight = pBaseLine->m_MaxFontSizeV;
+    lastbaseline = pBaseLine->m_BaseLine;
+    CFX_WideString str;
+    pBaseLine->WriteOutput(str, MinLeftX, MaxRightX - MinLeftX, iMinWidth);
+    lines.Add(str);
+  }
+}
+void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest) {
+  wChar = FX_GetMirrorChar(wChar, TRUE, FALSE);
+  FX_LPWSTR pDst = NULL;
+  FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
+  if (nCount < 1) {
+    sDest += wChar;
+    return;
+  }
+  pDst = new FX_WCHAR[nCount];
+  FX_Unicode_GetNormalization(wChar, pDst);
+  for (int nIndex = 0; nIndex < nCount; nIndex++) {
+    sDest += pDst[nIndex];
+  }
+  delete[] pDst;
+}
+void NormalizeString(CFX_WideString& str) {
+  if (str.GetLength() <= 0) {
+    return;
+  }
+  CFX_WideString sBuffer;
+  IFX_BidiChar* BidiChar = IFX_BidiChar::Create();
+  if (NULL == BidiChar) {
+    return;
+  }
+  CFX_WordArray order;
+  FX_BOOL bR2L = FALSE;
+  FX_INT32 start = 0, count = 0, i = 0;
+  int nR2L = 0, nL2R = 0;
+  for (i = 0; i < str.GetLength(); i++) {
+    if (BidiChar->AppendChar(str.GetAt(i))) {
+      FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
+      order.Add(start);
+      order.Add(count);
+      order.Add(ret);
+      if (!bR2L) {
+        if (ret == 2) {
+          nR2L++;
+        } else if (ret == 1) {
+          nL2R++;
+        }
+      }
+    }
+  }
+  if (BidiChar->EndChar()) {
+    FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
+    order.Add(start);
+    order.Add(count);
+    order.Add(ret);
+    if (!bR2L) {
+      if (ret == 2) {
+        nR2L++;
+      } else if (ret == 1) {
+        nL2R++;
+      }
+    }
+  }
+  if (nR2L > 0 && nR2L >= nL2R) {
+    bR2L = TRUE;
+  }
+  if (bR2L) {
+    int count = order.GetSize();
+    for (int j = count - 1; j > 0; j -= 3) {
+      int ret = order.GetAt(j);
+      int start = order.GetAt(j - 2);
+      int count1 = order.GetAt(j - 1);
+      if (ret == 2 || ret == 0) {
+        for (int i = start + count1 - 1; i >= start; i--) {
+          NormalizeCompositeChar(str[i], sBuffer);
+        }
+      } else {
+        i = j;
+        FX_BOOL bSymbol = FALSE;
+        while (i > 0 && order.GetAt(i) != 2) {
+          bSymbol = !order.GetAt(i);
+          i -= 3;
+        }
+        int end = start + count1;
+        int n = 0;
+        if (bSymbol) {
+          n = i + 6;
+        } else {
+          n = i + 3;
+        }
+        if (n >= j) {
+          for (int m = start; m < end; m++) {
+            sBuffer += str[m];
+          }
+        } else {
+          i = j;
+          j = n;
+          for (; n <= i; n += 3) {
+            int start = order.GetAt(n - 2);
+            int count1 = order.GetAt(n - 1);
+            int end = start + count1;
+            for (int m = start; m < end; m++) {
+              sBuffer += str[m];
             }
-            FX_RECT char_box;
-            pFont->GetCharBBox(charcode, char_box);
-            FX_FLOAT char_left = pPosArray ? pPosArray[cc * 2] : char_box.left * pText->m_TextState.GetFontSize() / 1000;
-            FX_FLOAT char_right = pPosArray ? pPosArray[cc * 2 + 1] : char_box.right * pText->m_TextState.GetFontSize() / 1000;
-            FX_FLOAT char_top = char_box.top * pText->m_TextState.GetFontSize() / 1000;
-            FX_FLOAT char_bottom = char_box.bottom * pText->m_TextState.GetFontSize() / 1000;
-            cc ++;
-            FX_FLOAT char_origx, char_origy;
-            matrix.Transform(char_left, 0, char_origx, char_origy);
-            matrix.TransformRect(char_left, char_right, char_top, char_bottom);
-            CFX_ByteString str;
-            pFont->AppendChar(str, charcode);
-            InsertTextBox(NULL, char_origy, char_left, char_right, char_top,
-                          char_bottom, spacew, fontsize_v, str, pFont);
-        }
-        if (pPosArray) {
-            FX_Free(pPosArray);
-        }
-        return;
-    }
-    FX_FLOAT ratio_h = fontsize_h / pText->m_TextState.GetFontSize();
-    for (int ii = 0; ii < count * 2; ii ++) {
-        pPosArray[ii] *= ratio_h;
-    }
-    FX_FLOAT baseline = pText->m_PosY;
-    CTextBaseLine* pBaseLine = NULL;
-    FX_FLOAT topy = pText->m_Top;
-    FX_FLOAT bottomy = pText->m_Bottom;
-    FX_FLOAT leftx = pText->m_Left;
-    int cc = 0;
-    CFX_ByteString segment;
-    int space_count = 0;
-    FX_FLOAT last_left = 0, last_right = 0, segment_left = 0, segment_right = 0;
-    for (int i = 0; i < pText->m_nChars; i ++) {
-        FX_DWORD charcode = pText->m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)pText->m_pCharCodes : pText->m_pCharCodes[i];
-        if (charcode == (FX_DWORD) - 1) {
-            continue;
-        }
-        FX_FLOAT char_left = pPosArray[cc * 2];
-        FX_FLOAT char_right = pPosArray[cc * 2 + 1];
-        cc ++;
-        if (char_left < last_left || (char_left - last_right) > spacew / 2) {
-            pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, leftx + segment_right,
-                                      topy, bottomy, spacew, fontsize_v, segment, pFont);
-            segment_left = char_left;
-            segment = "";
-        }
-        if (space_count > 1) {
-            pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, leftx + segment_right,
-                                      topy, bottomy, spacew, fontsize_v, segment, pFont);
-            segment = "";
-        } else if (space_count == 1) {
-            pFont->AppendChar(segment, ' ');
-        }
-        if (segment.GetLength() == 0) {
-            segment_left = char_left;
-        }
-        segment_right = char_right;
-        pFont->AppendChar(segment, charcode);
-        space_count = 0;
-        last_left = char_left;
-        last_right = char_right;
-    }
-    if (segment.GetLength())
-        pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, leftx + segment_right,
-                                  topy, bottomy, spacew, fontsize_v, segment, pFont);
-    FX_Free(pPosArray);
-}
-static void ConvertPDFString(CFX_ByteString& result, CFX_ByteString& src, CPDF_Font* pFont);
-CTextBaseLine* CTextPage::InsertTextBox(CTextBaseLine* pBaseLine, FX_FLOAT basey, FX_FLOAT leftx,
-                                        FX_FLOAT rightx, FX_FLOAT topy, FX_FLOAT bottomy, FX_FLOAT spacew, FX_FLOAT fontsize_v,
-                                        CFX_ByteString& str, CPDF_Font* pFont)
-{
-    if (str.GetLength() == 0) {
-        return NULL;
-    }
-    if (pBaseLine == NULL) {
-        int i;
-        for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-            CTextBaseLine* pExistLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-            if (pExistLine->m_BaseLine == basey) {
-                pBaseLine = pExistLine;
-                break;
-            }
-            if (pExistLine->m_BaseLine < basey) {
-                break;
-            }
-        }
-        if (pBaseLine == NULL) {
-            pBaseLine = FX_NEW CTextBaseLine;
-            if (NULL == pBaseLine) {
-                return NULL;
-            }
-            pBaseLine->m_BaseLine = basey;
-            m_BaseLines.InsertAt(i, pBaseLine);
-        }
-    }
-    CFX_WideString text;
-    FX_LPCSTR pStr = str;
-    int len = str.GetLength(), offset = 0;
-    while (offset < len) {
-        FX_DWORD ch = pFont->GetNextChar(pStr, offset);
-        CFX_WideString unicode_str = pFont->UnicodeFromCharCode(ch);
-        text += unicode_str;
-    }
-    pBaseLine->InsertTextBox(leftx, rightx, topy, bottomy, spacew, fontsize_v, text);
-    return pBaseLine;
-}
-void CTextPage::WriteOutput(CFX_WideStringArray& lines, int iMinWidth)
-{
-    FX_FLOAT lastheight = -1;
-    FX_FLOAT lastbaseline = -1;
-    FX_FLOAT MinLeftX = 1000000;
-    FX_FLOAT MaxRightX = 0;
-    int i;
-    for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-        CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        FX_FLOAT leftx, rightx;
-        if (pBaseLine->GetWidth(leftx, rightx)) {
-            if (leftx < MinLeftX) {
-                MinLeftX = leftx;
-            }
-            if (rightx > MaxRightX) {
-                MaxRightX = rightx;
-            }
-        }
-    }
-    for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-        CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        pBaseLine->MergeBoxes();
-    }
-    for (i = 1; i < m_BaseLines.GetSize(); i ++) {
-        CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        CTextBaseLine* pPrevLine = (CTextBaseLine*)m_BaseLines.GetAt(i - 1);
-        if (pBaseLine->CanMerge(pPrevLine)) {
-            pPrevLine->Merge(pBaseLine);
-            delete pBaseLine;
-            m_BaseLines.RemoveAt(i);
-            i --;
-        }
-    }
-    if (m_bAutoWidth) {
-        int* widths = FX_Alloc(int, m_BaseLines.GetSize());
-        if (widths) {
-            for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-                widths[i] = 0;
-                CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-                int TotalChars = 0;
-                FX_FLOAT TotalWidth = 0;
-                int minchars;
-                pBaseLine->CountChars(TotalChars, TotalWidth, minchars);
-                if (TotalChars) {
-                    FX_FLOAT charwidth = TotalWidth / TotalChars;
-                    widths[i] = (int)((MaxRightX - MinLeftX) / charwidth);
-                }
-                if (widths[i] > 1000) {
-                    widths[i] = 1000;
-                }
-                if (widths[i] < minchars) {
-                    widths[i] = minchars;
-                }
-            }
-            int AvgWidth = 0, widthcount = 0;
-            for (i = 0; i < m_BaseLines.GetSize(); i ++)
-                if (widths[i]) {
-                    AvgWidth += widths[i];
-                    widthcount ++;
-                }
-            AvgWidth = int((FX_FLOAT)AvgWidth / widthcount + 0.5);
-            int MaxWidth = 0;
-            for (i = 0; i < m_BaseLines.GetSize(); i ++)
-                if (MaxWidth < widths[i]) {
-                    MaxWidth = widths[i];
-                }
-            if (MaxWidth > AvgWidth * 6 / 5) {
-                MaxWidth = AvgWidth * 6 / 5;
-            }
-            FX_Free(widths);
-            if (iMinWidth < MaxWidth) {
-                iMinWidth = MaxWidth;
-            }
-        }
-    }
-    for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-        CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        pBaseLine->MergeBoxes();
-    }
-    if (m_bKeepColumn) {
-        FindColumns();
-    }
-    for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-        CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        if (lastheight >= 0) {
-            FX_FLOAT dy = lastbaseline - pBaseLine->m_BaseLine;
-            if (dy >= (pBaseLine->m_MaxFontSizeV) * 1.5 || dy >= lastheight * 1.5) {
-                lines.Add(L"");
-            }
-        }
-        lastheight = pBaseLine->m_MaxFontSizeV;
-        lastbaseline = pBaseLine->m_BaseLine;
-        CFX_WideString str;
-        pBaseLine->WriteOutput(str, MinLeftX, MaxRightX - MinLeftX, iMinWidth);
-        lines.Add(str);
-    }
-}
-void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest)
-{
-    wChar = FX_GetMirrorChar(wChar, TRUE, FALSE);
-    FX_LPWSTR pDst = NULL;
-    FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
-    if (nCount < 1 ) {
-        sDest += wChar;
-        return;
-    }
-    pDst = new FX_WCHAR[nCount];
-    FX_Unicode_GetNormalization(wChar, pDst);
-    for (int nIndex = 0; nIndex < nCount; nIndex++) {
-        sDest += pDst[nIndex];
-    }
-    delete[] pDst;
-}
-void NormalizeString(CFX_WideString& str)
-{
-    if (str.GetLength() <= 0) {
-        return;
-    }
-    CFX_WideString sBuffer;
-    IFX_BidiChar* BidiChar = IFX_BidiChar::Create();
-    if (NULL == BidiChar)       {
-        return;
-    }
-    CFX_WordArray order;
-    FX_BOOL bR2L = FALSE;
-    FX_INT32 start = 0, count = 0, i = 0;
-    int nR2L = 0, nL2R = 0;
-    for (i = 0; i < str.GetLength(); i++) {
-        if(BidiChar->AppendChar(str.GetAt(i))) {
-            FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
-            order.Add(start);
-            order.Add(count);
-            order.Add(ret);
-            if(!bR2L) {
-                if(ret == 2) {
-                    nR2L++;
-                } else if (ret == 1) {
-                    nL2R++;
-                }
-            }
-        }
-    }
-    if(BidiChar->EndChar()) {
-        FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
-        order.Add(start);
-        order.Add(count);
-        order.Add(ret);
-        if(!bR2L) {
-            if(ret == 2) {
-                nR2L++;
-            } else if(ret == 1) {
-                nL2R++;
-            }
-        }
-    }
-    if(nR2L > 0 && nR2L >= nL2R) {
-        bR2L = TRUE;
-    }
-    if(bR2L) {
-        int count = order.GetSize();
-        for(int j = count - 1; j > 0; j -= 3) {
-            int ret = order.GetAt(j);
-            int start = order.GetAt(j - 2);
-            int count1 = order.GetAt(j - 1);
-            if(ret == 2 || ret == 0) {
-                for(int i = start + count1 - 1; i >= start; i--) {
-                    NormalizeCompositeChar(str[i], sBuffer);
-                }
-            } else {
-                i = j;
-                FX_BOOL bSymbol = FALSE;
-                while(i > 0 && order.GetAt(i) != 2) {
-                    bSymbol = !order.GetAt(i);
-                    i -= 3;
-                }
-                int end = start + count1 ;
-                int n = 0;
-                if(bSymbol) {
-                    n = i + 6;
-                } else {
-                    n = i + 3;
-                }
-                if(n >= j) {
-                    for(int m = start; m < end; m++) {
-                        sBuffer += str[m];
-                    }
-                } else {
-                    i = j;
-                    j = n;
-                    for(; n <= i; n += 3) {
-                        int start = order.GetAt(n - 2);
-                        int count1 = order.GetAt(n - 1);
-                        int end = start + count1 ;
-                        for(int m = start; m < end; m++) {
-                            sBuffer += str[m];
-                        }
-                    }
-                }
-            }
-        }
+          }
+        }
+      }
+    }
+  } else {
+    int count = order.GetSize();
+    FX_BOOL bL2R = FALSE;
+    for (int j = 0; j < count; j += 3) {
+      int ret = order.GetAt(j + 2);
+      int start = order.GetAt(j);
+      int count1 = order.GetAt(j + 1);
+      if (ret == 2 || (j == 0 && ret == 0 && !bL2R)) {
+        int i = j + 3;
+        while (bR2L && i < count) {
+          if (order.GetAt(i + 2) == 1) {
+            break;
+          } else {
+            i += 3;
+          }
+        }
+        if (i == 3) {
+          j = -3;
+          bL2R = TRUE;
+          continue;
+        }
+        int end = str.GetLength() - 1;
+        if (i < count) {
+          end = order.GetAt(i) - 1;
+        }
+        j = i - 3;
+        for (int n = end; n >= start; n--) {
+          NormalizeCompositeChar(str[i], sBuffer);
+        }
+      } else {
+        int end = start + count1;
+        for (int i = start; i < end; i++) {
+          sBuffer += str[i];
+        }
+      }
+    }
+  }
+  str.Empty();
+  str += sBuffer;
+  BidiChar->Release();
+}
+static FX_BOOL IsNumber(CFX_WideString& str) {
+  for (int i = 0; i < str.GetLength(); i++) {
+    FX_WCHAR ch = str[i];
+    if ((ch < '0' || ch > '9') && ch != '-' && ch != '+' && ch != '.' &&
+        ch != ' ') {
+      return FALSE;
+    }
+  }
+  return TRUE;
+}
+void CTextPage::FindColumns() {
+  int i;
+  for (i = 0; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j++) {
+      CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j);
+      CTextColumn* pColumn = FindColumn(pTextBox->m_Right);
+      if (pColumn == NULL) {
+        pColumn = FX_NEW CTextColumn;
+        if (pColumn) {
+          pColumn->m_Count = 1;
+          pColumn->m_AvgPos = pTextBox->m_Right;
+          pColumn->m_TextPos = -1;
+          m_TextColumns.Add(pColumn);
+        }
+      } else {
+        pColumn->m_AvgPos =
+            (pColumn->m_Count * pColumn->m_AvgPos + pTextBox->m_Right) /
+            (pColumn->m_Count + 1);
+        pColumn->m_Count++;
+      }
+    }
+  }
+  int mincount = m_BaseLines.GetSize() / 4;
+  for (i = 0; i < m_TextColumns.GetSize(); i++) {
+    CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i);
+    if (pTextColumn->m_Count >= mincount) {
+      continue;
+    }
+    delete pTextColumn;
+    m_TextColumns.RemoveAt(i);
+    i--;
+  }
+  for (i = 0; i < m_BaseLines.GetSize(); i++) {
+    CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
+    for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j++) {
+      CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j);
+      if (IsNumber(pTextBox->m_Text)) {
+        pTextBox->m_pColumn = FindColumn(pTextBox->m_Right);
+      }
+    }
+  }
+}
+CTextColumn* CTextPage::FindColumn(FX_FLOAT xpos) {
+  for (int i = 0; i < m_TextColumns.GetSize(); i++) {
+    CTextColumn* pColumn = (CTextColumn*)m_TextColumns.GetAt(i);
+    if (pColumn->m_AvgPos < xpos + 1 && pColumn->m_AvgPos > xpos - 1) {
+      return pColumn;
+    }
+  }
+  return NULL;
+}
+void CTextPage::BreakSpace(CPDF_TextObject* pTextObj) {
+}
+CTextBaseLine::CTextBaseLine() {
+  m_Top = -100000;
+  m_Bottom = 100000;
+  m_MaxFontSizeV = 0;
+}
+CTextBaseLine::~CTextBaseLine() {
+  for (int i = 0; i < m_TextList.GetSize(); i++) {
+    CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
+    delete pText;
+  }
+}
+void CTextBaseLine::InsertTextBox(FX_FLOAT leftx,
+                                  FX_FLOAT rightx,
+                                  FX_FLOAT topy,
+                                  FX_FLOAT bottomy,
+                                  FX_FLOAT spacew,
+                                  FX_FLOAT fontsize_v,
+                                  const CFX_WideString& text) {
+  if (m_Top < topy) {
+    m_Top = topy;
+  }
+  if (m_Bottom > bottomy) {
+    m_Bottom = bottomy;
+  }
+  if (m_MaxFontSizeV < fontsize_v) {
+    m_MaxFontSizeV = fontsize_v;
+  }
+  int i;
+  for (i = 0; i < m_TextList.GetSize(); i++) {
+    CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
+    if (pText->m_Left > leftx) {
+      break;
+    }
+  }
+  CTextBox* pText = FX_NEW CTextBox;
+  if (NULL == pText) {
+    return;
+  }
+  pText->m_Text = text;
+  pText->m_Left = leftx;
+  pText->m_Right = rightx;
+  pText->m_Top = topy;
+  pText->m_Bottom = bottomy;
+  pText->m_SpaceWidth = spacew;
+  pText->m_FontSizeV = fontsize_v;
+  pText->m_pColumn = NULL;
+  m_TextList.InsertAt(i, pText);
+}
+FX_BOOL GetIntersection(FX_FLOAT low1,
+                        FX_FLOAT high1,
+                        FX_FLOAT low2,
+                        FX_FLOAT high2,
+                        FX_FLOAT& interlow,
+                        FX_FLOAT& interhigh);
+FX_BOOL CTextBaseLine::CanMerge(CTextBaseLine* pOther) {
+  FX_FLOAT inter_top, inter_bottom;
+  if (!GetIntersection(m_Bottom,
+                       m_Top,
+                       pOther->m_Bottom,
+                       pOther->m_Top,
+                       inter_bottom,
+                       inter_top)) {
+    return FALSE;
+  }
+  FX_FLOAT inter_h = inter_top - inter_bottom;
+  if (inter_h < (m_Top - m_Bottom) / 2 &&
+      inter_h < (pOther->m_Top - pOther->m_Bottom) / 2) {
+    return FALSE;
+  }
+  FX_FLOAT dy = (FX_FLOAT)FXSYS_fabs(m_BaseLine - pOther->m_BaseLine);
+  for (int i = 0; i < m_TextList.GetSize(); i++) {
+    CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
+    for (int j = 0; j < pOther->m_TextList.GetSize(); j++) {
+      CTextBox* pOtherText = (CTextBox*)pOther->m_TextList.GetAt(j);
+      FX_FLOAT inter_left, inter_right;
+      if (!GetIntersection(pText->m_Left,
+                           pText->m_Right,
+                           pOtherText->m_Left,
+                           pOtherText->m_Right,
+                           inter_left,
+                           inter_right)) {
+        continue;
+      }
+      FX_FLOAT inter_w = inter_right - inter_left;
+      if (inter_w < pText->m_SpaceWidth / 2 &&
+          inter_w < pOtherText->m_SpaceWidth / 2) {
+        continue;
+      }
+      if (dy >= (pText->m_Bottom - pText->m_Top) / 2 ||
+          dy >= (pOtherText->m_Bottom - pOtherText->m_Top) / 2) {
+        return FALSE;
+      }
+    }
+  }
+  return TRUE;
+}
+void CTextBaseLine::Merge(CTextBaseLine* pOther) {
+  for (int i = 0; i < pOther->m_TextList.GetSize(); i++) {
+    CTextBox* pText = (CTextBox*)pOther->m_TextList.GetAt(i);
+    InsertTextBox(pText->m_Left,
+                  pText->m_Right,
+                  pText->m_Top,
+                  pText->m_Bottom,
+                  pText->m_SpaceWidth,
+                  pText->m_FontSizeV,
+                  pText->m_Text);
+  }
+}
+FX_BOOL CTextBaseLine::GetWidth(FX_FLOAT& leftx, FX_FLOAT& rightx) {
+  int i;
+  for (i = 0; i < m_TextList.GetSize(); i++) {
+    CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
+    if (pText->m_Text != L" ") {
+      break;
+    }
+  }
+  if (i == m_TextList.GetSize()) {
+    return FALSE;
+  }
+  CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
+  leftx = pText->m_Left;
+  for (i = m_TextList.GetSize() - 1; i >= 0; i--) {
+    CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
+    if (pText->m_Text != L" ") {
+      break;
+    }
+  }
+  pText = (CTextBox*)m_TextList.GetAt(i);
+  rightx = pText->m_Right;
+  return TRUE;
+}
+void CTextBaseLine::MergeBoxes() {
+  int i = 0;
+  while (1) {
+    if (i >= m_TextList.GetSize() - 1) {
+      break;
+    }
+    CTextBox* pThisText = (CTextBox*)m_TextList.GetAt(i);
+    CTextBox* pNextText = (CTextBox*)m_TextList.GetAt(i + 1);
+    FX_FLOAT dx = pNextText->m_Left - pThisText->m_Right;
+    FX_FLOAT spacew = (pThisText->m_SpaceWidth == 0.0)
+                          ? pNextText->m_SpaceWidth
+                          : pThisText->m_SpaceWidth;
+    if (spacew > 0.0 && dx < spacew * 2) {
+      pThisText->m_Right = pNextText->m_Right;
+      if (dx > spacew * 1.5) {
+        pThisText->m_Text += L"  ";
+      } else if (dx > spacew / 3) {
+        pThisText->m_Text += L' ';
+      }
+      pThisText->m_Text += pNextText->m_Text;
+      pThisText->m_SpaceWidth =
+          pNextText->m_SpaceWidth == 0.0 ? spacew : pNextText->m_SpaceWidth;
+      m_TextList.RemoveAt(i + 1);
+      delete pNextText;
     } else {
-        int count = order.GetSize();
-        FX_BOOL bL2R = FALSE;
-        for(int j = 0; j < count; j += 3) {
-            int ret = order.GetAt(j + 2);
-            int start = order.GetAt(j);
-            int count1 = order.GetAt(j + 1);
-            if(ret == 2 || (j == 0 && ret == 0 && !bL2R)) {
-                int i = j + 3;
-                while(bR2L && i < count) {
-                    if(order.GetAt(i + 2) == 1) {
-                        break;
-                    } else {
-                        i += 3;
-                    }
-                }
-                if(i == 3) {
-                    j = -3;
-                    bL2R = TRUE;
-                    continue;
-                }
-                int end = str.GetLength() - 1;
-                if(i < count) {
-                    end = order.GetAt(i) - 1;
-                }
-                j = i - 3;
-                for(int n = end; n >= start; n--) {
-                    NormalizeCompositeChar(str[i], sBuffer);
-                }
-            } else {
-                int end = start + count1 ;
-                for(int i = start; i < end; i++) {
-                    sBuffer += str[i];
-                }
-            }
-        }
-    }
-    str.Empty();
-    str += sBuffer;
-    BidiChar->Release();
-}
-static FX_BOOL IsNumber(CFX_WideString& str)
-{
-    for (int i = 0; i < str.GetLength(); i ++) {
-        FX_WCHAR ch = str[i];
-        if ((ch < '0' || ch > '9') && ch != '-' && ch != '+' && ch != '.' && ch != ' ') {
-            return FALSE;
-        }
-    }
-    return TRUE;
-}
-void CTextPage::FindColumns()
-{
-    int i;
-    for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-        CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j ++) {
-            CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j);
-            CTextColumn* pColumn = FindColumn(pTextBox->m_Right);
-            if (pColumn == NULL) {
-                pColumn = FX_NEW CTextColumn;
-                if (pColumn) {
-                    pColumn->m_Count = 1;
-                    pColumn->m_AvgPos = pTextBox->m_Right;
-                    pColumn->m_TextPos = -1;
-                    m_TextColumns.Add(pColumn);
-                }
-            } else {
-                pColumn->m_AvgPos = (pColumn->m_Count * pColumn->m_AvgPos + pTextBox->m_Right) /
-                                    (pColumn->m_Count + 1);
-                pColumn->m_Count ++;
-            }
-        }
-    }
-    int mincount = m_BaseLines.GetSize() / 4;
-    for (i = 0; i < m_TextColumns.GetSize(); i ++) {
-        CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i);
-        if (pTextColumn->m_Count >= mincount) {
-            continue;
-        }
-        delete pTextColumn;
-        m_TextColumns.RemoveAt(i);
-        i --;
-    }
-    for (i = 0; i < m_BaseLines.GetSize(); i ++) {
-        CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i);
-        for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j ++) {
-            CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j);
-            if (IsNumber(pTextBox->m_Text)) {
-                pTextBox->m_pColumn = FindColumn(pTextBox->m_Right);
-            }
-        }
-    }
-}
-CTextColumn* CTextPage::FindColumn(FX_FLOAT xpos)
-{
-    for (int i = 0; i < m_TextColumns.GetSize(); i ++) {
-        CTextColumn* pColumn = (CTextColumn*)m_TextColumns.GetAt(i);
-        if (pColumn->m_AvgPos < xpos + 1 && pColumn->m_AvgPos > xpos - 1) {
-            return pColumn;
-        }
-    }
-    return NULL;
-}
-void CTextPage::BreakSpace(CPDF_TextObject* pTextObj)
-{
-}
-CTextBaseLine::CTextBaseLine()
-{
-    m_Top = -100000;
-    m_Bottom = 100000;
-    m_MaxFontSizeV = 0;
-}
-CTextBaseLine::~CTextBaseLine()
-{
-    for (int i = 0; i < m_TextList.GetSize(); i ++) {
-        CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-        delete pText;
-    }
-}
-void CTextBaseLine::InsertTextBox(FX_FLOAT leftx, FX_FLOAT rightx, FX_FLOAT topy, FX_FLOAT bottomy,
-                                  FX_FLOAT spacew, FX_FLOAT fontsize_v, const CFX_WideString& text)
-{
-    if (m_Top < topy) {
-        m_Top = topy;
-    }
-    if (m_Bottom > bottomy) {
-        m_Bottom = bottomy;
-    }
-    if (m_MaxFontSizeV < fontsize_v) {
-        m_MaxFontSizeV = fontsize_v;
-    }
-    int i;
-    for (i = 0; i < m_TextList.GetSize(); i ++) {
-        CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-        if (pText->m_Left > leftx) {
-            break;
-        }
-    }
-    CTextBox* pText = FX_NEW CTextBox;
-    if (NULL == pText) {
-        return;
-    }
-    pText->m_Text = text;
-    pText->m_Left = leftx;
-    pText->m_Right = rightx;
-    pText->m_Top = topy;
-    pText->m_Bottom = bottomy;
-    pText->m_SpaceWidth = spacew;
-    pText->m_FontSizeV = fontsize_v;
-    pText->m_pColumn = NULL;
-    m_TextList.InsertAt(i, pText);
-}
-FX_BOOL GetIntersection(FX_FLOAT low1, FX_FLOAT high1, FX_FLOAT low2, FX_FLOAT high2,
-                        FX_FLOAT& interlow, FX_FLOAT& interhigh);
-FX_BOOL CTextBaseLine::CanMerge(CTextBaseLine* pOther)
-{
-    FX_FLOAT inter_top, inter_bottom;
-    if (!GetIntersection(m_Bottom, m_Top, pOther->m_Bottom, pOther->m_Top,
-                         inter_bottom, inter_top)) {
-        return FALSE;
-    }
-    FX_FLOAT inter_h = inter_top - inter_bottom;
-    if (inter_h < (m_Top - m_Bottom) / 2 && inter_h < (pOther->m_Top - pOther->m_Bottom) / 2) {
-        return FALSE;
-    }
-    FX_FLOAT dy = (FX_FLOAT)FXSYS_fabs(m_BaseLine - pOther->m_BaseLine);
-    for (int i = 0; i < m_TextList.GetSize(); i ++) {
-        CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-        for (int j = 0; j < pOther->m_TextList.GetSize(); j ++) {
-            CTextBox* pOtherText = (CTextBox*)pOther->m_TextList.GetAt(j);
-            FX_FLOAT inter_left, inter_right;
-            if (!GetIntersection(pText->m_Left, pText->m_Right,
-                                 pOtherText->m_Left, pOtherText->m_Right, inter_left, inter_right)) {
-                continue;
-            }
-            FX_FLOAT inter_w = inter_right - inter_left;
-            if (inter_w < pText->m_SpaceWidth / 2 && inter_w < pOtherText->m_SpaceWidth / 2) {
-                continue;
-            }
-            if (dy >= (pText->m_Bottom - pText->m_Top) / 2 ||
-                    dy >= (pOtherText->m_Bottom - pOtherText->m_Top) / 2) {
-                return FALSE;
-            }
-        }
-    }
-    return TRUE;
-}
-void CTextBaseLine::Merge(CTextBaseLine* pOther)
-{
-    for (int i = 0; i < pOther->m_TextList.GetSize(); i ++) {
-        CTextBox* pText = (CTextBox*)pOther->m_TextList.GetAt(i);
-        InsertTextBox(pText->m_Left, pText->m_Right, pText->m_Top, pText->m_Bottom,
-                      pText->m_SpaceWidth, pText->m_FontSizeV, pText->m_Text);
-    }
-}
-FX_BOOL CTextBaseLine::GetWidth(FX_FLOAT& leftx, FX_FLOAT& rightx)
-{
-    int i;
-    for (i = 0; i < m_TextList.GetSize(); i ++) {
-        CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-        if (pText->m_Text != L" ") {
-            break;
-        }
-    }
-    if (i == m_TextList.GetSize()) {
-        return FALSE;
-    }
+      i++;
+    }
+  }
+}
+void CTextBaseLine::WriteOutput(CFX_WideString& str,
+                                FX_FLOAT leftx,
+                                FX_FLOAT pagewidth,
+                                int iTextWidth) {
+  int lastpos = -1;
+  for (int i = 0; i < m_TextList.GetSize(); i++) {
     CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-    leftx = pText->m_Left;
-    for (i = m_TextList.GetSize() - 1; i >= 0; i --) {
-        CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-        if (pText->m_Text != L" ") {
-            break;
-        }
-    }
-    pText = (CTextBox*)m_TextList.GetAt(i);
-    rightx = pText->m_Right;
-    return TRUE;
-}
-void CTextBaseLine::MergeBoxes()
-{
-    int i = 0;
-    while (1) {
-        if (i >= m_TextList.GetSize() - 1) {
-            break;
-        }
-        CTextBox* pThisText = (CTextBox*)m_TextList.GetAt(i);
-        CTextBox* pNextText = (CTextBox*)m_TextList.GetAt(i + 1);
-        FX_FLOAT dx = pNextText->m_Left - pThisText->m_Right;
-        FX_FLOAT spacew = (pThisText->m_SpaceWidth == 0.0) ?
-                          pNextText->m_SpaceWidth : pThisText->m_SpaceWidth;
-        if (spacew > 0.0 && dx < spacew * 2) {
-            pThisText->m_Right = pNextText->m_Right;
-            if (dx > spacew * 1.5) {
-                pThisText->m_Text += L"  ";
-            } else if (dx > spacew / 3) {
-                pThisText->m_Text += L' ';
-            }
-            pThisText->m_Text += pNextText->m_Text;
-            pThisText->m_SpaceWidth = pNextText->m_SpaceWidth == 0.0 ?
-                                      spacew : pNextText->m_SpaceWidth;
-            m_TextList.RemoveAt(i + 1);
-            delete pNextText;
-        } else {
-            i ++;
-        }
-    }
-}
-void CTextBaseLine::WriteOutput(CFX_WideString& str, FX_FLOAT leftx, FX_FLOAT pagewidth,
-                                int iTextWidth)
-{
-    int lastpos = -1;
-    for (int i = 0; i < m_TextList.GetSize(); i ++) {
-        CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-        int xpos;
-        if (pText->m_pColumn) {
-            xpos = (int)((pText->m_pColumn->m_AvgPos - leftx) * iTextWidth / pagewidth + 0.5);
-            xpos -= pText->m_Text.GetLength();
-        } else {
-            xpos = (int)((pText->m_Left - leftx) * iTextWidth / pagewidth + 0.5);
-        }
-        if (xpos <= lastpos) {
-            xpos = lastpos + 1;
-        }
-        for (int j = lastpos + 1; j < xpos; j ++) {
-            str += ' ';
-        }
-        CFX_WideString sSrc(pText->m_Text);
-        NormalizeString(sSrc);
-        str += sSrc;
-        str += ' ';
-        lastpos = xpos + pText->m_Text.GetLength();
-    }
-}
-void CTextBaseLine::CountChars(int& count, FX_FLOAT& width, int& minchars)
-{
-    minchars = 0;
-    for (int i = 0; i < m_TextList.GetSize(); i ++) {
-        CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
-        if (pText->m_Right - pText->m_Left < 0.002) {
-            continue;
-        }
-        count += pText->m_Text.GetLength();
-        width += pText->m_Right - pText->m_Left;
-        minchars += pText->m_Text.GetLength() + 1;
-    }
+    int xpos;
+    if (pText->m_pColumn) {
+      xpos =
+          (int)((pText->m_pColumn->m_AvgPos - leftx) * iTextWidth / pagewidth +
+                0.5);
+      xpos -= pText->m_Text.GetLength();
+    } else {
+      xpos = (int)((pText->m_Left - leftx) * iTextWidth / pagewidth + 0.5);
+    }
+    if (xpos <= lastpos) {
+      xpos = lastpos + 1;
+    }
+    for (int j = lastpos + 1; j < xpos; j++) {
+      str += ' ';
+    }
+    CFX_WideString sSrc(pText->m_Text);
+    NormalizeString(sSrc);
+    str += sSrc;
+    str += ' ';
+    lastpos = xpos + pText->m_Text.GetLength();
+  }
+}
+void CTextBaseLine::CountChars(int& count, FX_FLOAT& width, int& minchars) {
+  minchars = 0;
+  for (int i = 0; i < m_TextList.GetSize(); i++) {
+    CTextBox* pText = (CTextBox*)m_TextList.GetAt(i);
+    if (pText->m_Right - pText->m_Left < 0.002) {
+      continue;
+    }
+    count += pText->m_Text.GetLength();
+    width += pText->m_Right - pText->m_Left;
+    minchars += pText->m_Text.GetLength() + 1;
+  }
 }
 #define PI 3.1415926535897932384626433832795
-static void CheckRotate(CPDF_Page& page, CFX_FloatRect& page_bbox)
-{
-    int total_count = 0, rotated_count[3] = {0, 0, 0};
-    FX_POSITION pos = page.GetFirstObjectPosition();
-    while (pos) {
-        CPDF_PageObject* pObj = page.GetNextObject(pos);
-        if (pObj->m_Type != PDFPAGE_TEXT) {
-            continue;
-        }
-        total_count ++;
-        CPDF_TextObject* pText = (CPDF_TextObject*)pObj;
-        FX_FLOAT angle = pText->m_TextState.GetBaselineAngle();
-        if (angle == 0.0) {
-            continue;
-        }
-        int degree = (int)(angle * 180 / PI + 0.5);
-        if (degree % 90) {
-            continue;
-        }
-        if (degree < 0) {
-            degree += 360;
-        }
-        int index = degree / 90 % 3 - 1;
-        if (index < 0) {
-            continue;
-        }
-        rotated_count[index] ++;
-    }
-    if (total_count == 0) {
-        return;
-    }
-    CFX_AffineMatrix matrix;
-    if (rotated_count[0] > total_count * 2 / 3) {
-        matrix.Set(0, -1, 1, 0, 0, page.GetPageHeight());
-    } else if (rotated_count[1] > total_count * 2 / 3) {
-        matrix.Set(-1, 0, 0, -1, page.GetPageWidth(), page.GetPageHeight());
-    } else if (rotated_count[2] > total_count * 2 / 3) {
-        matrix.Set(0, 1, -1, 0, page.GetPageWidth(), 0);
-    } else {
-        return;
-    }
-    page.Transform(matrix);
-    page_bbox.Transform(&matrix);
-}
-void PDF_GetPageText_Unicode(CFX_WideStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage,
-                             int iMinWidth, FX_DWORD flags)
-{
-    lines.RemoveAll();
-    if (pPage == NULL) {
-        return;
-    }
-    CPDF_Page page;
-    page.Load(pDoc, pPage);
-    CPDF_ParseOptions options;
-    options.m_bTextOnly = TRUE;
-    options.m_bSeparateForm = FALSE;
-    page.ParseContent(&options);
-    CFX_FloatRect page_bbox = page.GetPageBBox();
-    if (flags & PDF2TXT_AUTO_ROTATE) {
-        CheckRotate(page, page_bbox);
-    }
-    CTextPage texts;
-    texts.m_bAutoWidth = flags & PDF2TXT_AUTO_WIDTH;
-    texts.m_bKeepColumn = flags & PDF2TXT_KEEP_COLUMN;
-    texts.m_bBreakSpace = TRUE;
-    FX_POSITION pos = page.GetFirstObjectPosition();
-    while (pos) {
-        CPDF_PageObject* pObject = page.GetNextObject(pos);
-        if (!(flags & PDF2TXT_INCLUDE_INVISIBLE)) {
-            CFX_FloatRect rect(pObject->m_Left, pObject->m_Bottom, pObject->m_Right, pObject->m_Top);
-            if (!page_bbox.Contains(rect)) {
-                continue;
-            }
-        }
-        texts.ProcessObject(pObject);
-    }
-    texts.WriteOutput(lines, iMinWidth);
-}
-void PDF_GetPageText(CFX_ByteStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage,
-                     int iMinWidth, FX_DWORD flags)
-{
-    lines.RemoveAll();
-    CFX_WideStringArray wlines;
-    PDF_GetPageText_Unicode(wlines, pDoc, pPage, iMinWidth, flags);
-    for (int i = 0; i < wlines.GetSize(); i ++) {
-        CFX_WideString wstr = wlines[i];
-        CFX_ByteString str;
-        for (int c = 0; c < wstr.GetLength(); c ++) {
-            str += CharFromUnicodeAlt(wstr[c], FXSYS_GetACP(), "?");
-        }
-        lines.Add(str);
-    }
+static void CheckRotate(CPDF_Page& page, CFX_FloatRect& page_bbox) {
+  int total_count = 0, rotated_count[3] = { 0, 0, 0 };
+  FX_POSITION pos = page.GetFirstObjectPosition();
+  while (pos) {
+    CPDF_PageObject* pObj = page.GetNextObject(pos);
+    if (pObj->m_Type != PDFPAGE_TEXT) {
+      continue;
+    }
+    total_count++;
+    CPDF_TextObject* pText = (CPDF_TextObject*)pObj;
+    FX_FLOAT angle = pText->m_TextState.GetBaselineAngle();
+    if (angle == 0.0) {
+      continue;
+    }
+    int degree = (int)(angle * 180 / PI + 0.5);
+    if (degree % 90) {
+      continue;
+    }
+    if (degree < 0) {
+      degree += 360;
+    }
+    int index = degree / 90 % 3 - 1;
+    if (index < 0) {
+      continue;
+    }
+    rotated_count[index]++;
+  }
+  if (total_count == 0) {
+    return;
+  }
+  CFX_AffineMatrix matrix;
+  if (rotated_count[0] > total_count * 2 / 3) {
+    matrix.Set(0, -1, 1, 0, 0, page.GetPageHeight());
+  } else if (rotated_count[1] > total_count * 2 / 3) {
+    matrix.Set(-1, 0, 0, -1, page.GetPageWidth(), page.GetPageHeight());
+  } else if (rotated_count[2] > total_count * 2 / 3) {
+    matrix.Set(0, 1, -1, 0, page.GetPageWidth(), 0);
+  } else {
+    return;
+  }
+  page.Transform(matrix);
+  page_bbox.Transform(&matrix);
+}
+void PDF_GetPageText_Unicode(CFX_WideStringArray& lines,
+                             CPDF_Document* pDoc,
+                             CPDF_Dictionary* pPage,
+                             int iMinWidth,
+                             FX_DWORD flags) {
+  lines.RemoveAll();
+  if (pPage == NULL) {
+    return;
+  }
+  CPDF_Page page;
+  page.Load(pDoc, pPage);
+  CPDF_ParseOptions options;
+  options.m_bTextOnly = TRUE;
+  options.m_bSeparateForm = FALSE;
+  page.ParseContent(&options);
+  CFX_FloatRect page_bbox = page.GetPageBBox();
+  if (flags & PDF2TXT_AUTO_ROTATE) {
+    CheckRotate(page, page_bbox);
+  }
+  CTextPage texts;
+  texts.m_bAutoWidth = flags & PDF2TXT_AUTO_WIDTH;
+  texts.m_bKeepColumn = flags & PDF2TXT_KEEP_COLUMN;
+  texts.m_bBreakSpace = TRUE;
+  FX_POSITION pos = page.GetFirstObjectPosition();
+  while (pos) {
+    CPDF_PageObject* pObject = page.GetNextObject(pos);
+    if (!(flags & PDF2TXT_INCLUDE_INVISIBLE)) {
+      CFX_FloatRect rect(
+          pObject->m_Left, pObject->m_Bottom, pObject->m_Right, pObject->m_Top);
+      if (!page_bbox.Contains(rect)) {
+        continue;
+      }
+    }
+    texts.ProcessObject(pObject);
+  }
+  texts.WriteOutput(lines, iMinWidth);
+}
+void PDF_GetPageText(CFX_ByteStringArray& lines,
+                     CPDF_Document* pDoc,
+                     CPDF_Dictionary* pPage,
+                     int iMinWidth,
+                     FX_DWORD flags) {
+  lines.RemoveAll();
+  CFX_WideStringArray wlines;
+  PDF_GetPageText_Unicode(wlines, pDoc, pPage, iMinWidth, flags);
+  for (int i = 0; i < wlines.GetSize(); i++) {
+    CFX_WideString wstr = wlines[i];
+    CFX_ByteString str;
+    for (int c = 0; c < wstr.GetLength(); c++) {
+      str += CharFromUnicodeAlt(wstr[c], FXSYS_GetACP(), "?");
+    }
+    lines.Add(str);
+  }
 }
 #endif
-extern void _PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, CPDF_PageObjects* pPage, FX_BOOL bUseLF,
+extern void _PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer,
+                                       CPDF_PageObjects* pPage,
+                                       FX_BOOL bUseLF,
                                        CFX_PtrArray* pObjArray);
-void PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, CPDF_Document* pDoc, CPDF_Dictionary* pPage, FX_DWORD flags)
-{
-    buffer.EstimateSize(0, 10240);
-    CPDF_Page page;
-    page.Load(pDoc, pPage);
-    CPDF_ParseOptions options;
-    options.m_bTextOnly = TRUE;
-    options.m_bSeparateForm = FALSE;
-    page.ParseContent(&options);
-    _PDF_GetTextStream_Unicode(buffer, &page, TRUE, NULL);
-}
+void PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer,
+                               CPDF_Document* pDoc,
+                               CPDF_Dictionary* pPage,
+                               FX_DWORD flags) {
+  buffer.EstimateSize(0, 10240);
+  CPDF_Page page;
+  page.Load(pDoc, pPage);
+  CPDF_ParseOptions options;
+  options.m_bTextOnly = TRUE;
+  options.m_bSeparateForm = FALSE;
+  page.ParseContent(&options);
+  _PDF_GetTextStream_Unicode(buffer, &page, TRUE, NULL);
+}