C++ CFX_ByteTextBuf::GetByteString方法代码示例

void CXML_Parser::GetName(CFX_ByteString &space, CFX_ByteString &name)
{
    m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex;
    if (IsEOF()) {
        return;
    }
    CFX_ByteTextBuf buf;
    uint8_t ch;
    do {
        while (m_dwIndex < m_dwBufferSize) {
            ch = m_pBuffer[m_dwIndex];
            if (ch == ':') {
                space = buf.GetByteString();
                buf.Clear();
            } else if (g_FXCRT_XML_IsNameChar(ch)) {
                buf.AppendChar(ch);
            } else {
                break;
            }
            m_dwIndex ++;
        }
        m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex;
        if (m_dwIndex < m_dwBufferSize || IsEOF()) {
            break;
        }
    } while (ReadNextBlock());
    name = buf.GetByteString();
}

void IFX_Edit::GeneratePageObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit,
								   const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, FX_COLORREF crText, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray)
{
	FX_FLOAT fFontSize = pEdit->GetFontSize();

	int32_t nOldFontIndex = -1;

	CFX_ByteTextBuf sTextBuf;
	CPDF_Point ptBT(0.0f,0.0f);

	ObjArray.RemoveAll();

	if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator())
	{
		if (IFX_Edit_FontMap* pFontMap = pEdit->GetFontMap())
		{
			if (pRange)
				pIterator->SetAt(pRange->BeginPos);
			else
				pIterator->SetAt(0);

			CPVT_WordPlace oldplace;

			while (pIterator->NextWord())
			{
				CPVT_WordPlace place = pIterator->GetAt();
				if (pRange && place.WordCmp(pRange->EndPos) > 0) break;

				CPVT_Word word;
				if (pIterator->GetWord(word))
				{
					if (place.LineCmp(oldplace) != 0 || nOldFontIndex != word.nFontIndex)
					{
						if (sTextBuf.GetLength() > 0)
						{
							ObjArray.Add(AddTextObjToPageObjects(pPageObjects, crText, pFontMap->GetPDFFont(nOldFontIndex), fFontSize, 0.0f, 100,
								CPDF_Point(ptBT.x+ptOffset.x, ptBT.y+ptOffset.y), sTextBuf.GetByteString()));

							sTextBuf.Clear();
						}

						ptBT = word.ptWord;
						nOldFontIndex = word.nFontIndex;
					}

					sTextBuf << GetPDFWordString(pFontMap, word.nFontIndex, word.Word, 0);
					oldplace = place;
				}
			}

			if (sTextBuf.GetLength() > 0)
			{
				ObjArray.Add(AddTextObjToPageObjects(pPageObjects, crText, pFontMap->GetPDFFont(nOldFontIndex), fFontSize, 0.0f, 100,
					CPDF_Point(ptBT.x+ptOffset.x, ptBT.y+ptOffset.y), sTextBuf.GetByteString()));
			}
		}
	}
}

CFX_ByteString ParseStyle(FX_LPCSTR pStyle, int iLen, int iIndex)
{
    CFX_ByteTextBuf buf;
    if (!iLen || iLen <= iIndex) {
        return buf.GetByteString();
    }
    while (iIndex < iLen) {
        if (pStyle[iIndex] == ',') {
            break;
        }
        buf.AppendChar(pStyle[iIndex]);
        ++iIndex;
    }
    return buf.GetByteString();
}

CFX_ByteString CPWL_Image::GetImageAppStream() {
  CFX_ByteTextBuf sAppStream;

  CFX_ByteString sAlias = GetImageAlias();
  CFX_FloatRect rcPlate = GetClientRect();
  CFX_Matrix mt;
  mt.SetReverse(GetImageMatrix());

  FX_FLOAT fHScale = 1.0f;
  FX_FLOAT fVScale = 1.0f;
  GetScale(fHScale, fVScale);

  FX_FLOAT fx = 0.0f;
  FX_FLOAT fy = 0.0f;
  GetImageOffset(fx, fy);

  if (m_pPDFStream && sAlias.GetLength() > 0) {
    sAppStream << "q\n";
    sAppStream << rcPlate.left << " " << rcPlate.bottom << " "
               << rcPlate.right - rcPlate.left << " "
               << rcPlate.top - rcPlate.bottom << " re W n\n";

    sAppStream << fHScale << " 0 0 " << fVScale << " " << rcPlate.left + fx
               << " " << rcPlate.bottom + fy << " cm\n";
    sAppStream << mt.GetA() << " " << mt.GetB() << " " << mt.GetC() << " "
               << mt.GetD() << " " << mt.GetE() << " " << mt.GetF() << " cm\n";

    sAppStream << "0 g 0 G 1 w /" << sAlias << " Do\n"
               << "Q\n";
  }

  return sAppStream.GetByteString();
}

CFX_ByteString IFX_Edit::GetSelectAppearanceStream(
    IFX_Edit* pEdit,
    const CPDF_Point& ptOffset,
    const CPVT_WordRange* pRange) {
  CFX_ByteTextBuf sRet;

  if (pRange && pRange->IsExist()) {
    if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
      pIterator->SetAt(pRange->BeginPos);

      while (pIterator->NextWord()) {
        CPVT_WordPlace place = pIterator->GetAt();

        if (pRange && place.WordCmp(pRange->EndPos) > 0)
          break;

        CPVT_Word word;
        CPVT_Line line;
        if (pIterator->GetWord(word) && pIterator->GetLine(line)) {
          sRet << word.ptWord.x + ptOffset.x << " "
               << line.ptLine.y + line.fLineDescent << " " << word.fWidth << " "
               << line.fLineAscent - line.fLineDescent << " re\nf\n";
        }
      }
    }
  }

  return sRet.GetByteString();
}

CFX_ByteString CPDF_StreamParser::ReadHexString() {
  if (!PositionIsInBounds())
    return CFX_ByteString();

  CFX_ByteTextBuf buf;
  bool bFirst = true;
  int code = 0;
  while (PositionIsInBounds()) {
    int ch = m_pBuf[m_Pos++];

    if (ch == '>')
      break;

    if (!std::isxdigit(ch))
      continue;

    int val = FXSYS_toHexDigit(ch);
    if (bFirst) {
      code = val * 16;
    } else {
      code += val;
      buf.AppendByte((uint8_t)code);
    }
    bFirst = !bFirst;
  }
  if (!bFirst)
    buf.AppendChar((char)code);

  if (buf.GetLength() > MAX_STRING_LENGTH)
    return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);

  return buf.GetByteString();
}

CFX_ByteString CPWL_Label::GetTextAppearanceStream(
    const CFX_FloatPoint& ptOffset) const {
  CFX_ByteTextBuf sRet;
  CFX_ByteString sEdit = CPWL_Utils::GetEditAppStream(m_pEdit, ptOffset);

  if (sEdit.GetLength() > 0) {
    sRet << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEdit
         << "ET\n";
  }

  return sRet.GetByteString();
}

CFX_ByteString CPDF_StreamParser::ReadHexString()
{
    if (m_Size <= m_Pos) {
        return CFX_ByteString();
    }
    int ch = m_pBuf[m_Pos++];
    CFX_ByteTextBuf buf;
    FX_BOOL bFirst = TRUE;
    int code = 0;
    while (1) {
        if (ch == '>') {
            break;
        }
        if (ch >= '0' && ch <= '9') {
            if (bFirst) {
                code = (ch - '0') * 16;
            } else {
                code += ch - '0';
                buf.AppendChar((char)code);
            }
            bFirst = !bFirst;
        } else if (ch >= 'A' && ch <= 'F') {
            if (bFirst) {
                code = (ch - 'A' + 10) * 16;
            } else {
                code += ch - 'A' + 10;
                buf.AppendChar((char)code);
            }
            bFirst = !bFirst;
        } else if (ch >= 'a' && ch <= 'f') {
            if (bFirst) {
                code = (ch - 'a' + 10) * 16;
            } else {
                code += ch - 'a' + 10;
                buf.AppendChar((char)code);
            }
            bFirst = !bFirst;
        }
        if (m_Size <= m_Pos) {
            break;
        }
        ch = m_pBuf[m_Pos++];
    }
    if (!bFirst) {
        buf.AppendChar((char)code);
    }
    if (buf.GetLength() > MAX_STRING_LENGTH) {
        return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);
    }
    return buf.GetByteString();
}

static CFX_ByteString GetFontSetString(IFX_Edit_FontMap* pFontMap,
                                       int32_t nFontIndex,
                                       FX_FLOAT fFontSize) {
  CFX_ByteTextBuf sRet;

  if (pFontMap) {
    CFX_ByteString sFontAlias = pFontMap->GetPDFFontAlias(nFontIndex);

    if (sFontAlias.GetLength() > 0 && fFontSize > 0)
      sRet << "/" << sFontAlias << " " << fFontSize << " Tf\n";
  }

  return sRet.GetByteString();
}

CFX_ByteString CPWL_Caret::GetCaretAppearanceStream(
    const CFX_FloatPoint& ptOffset) {
  CFX_ByteTextBuf sCaret;
  GetCaretApp(sCaret, ptOffset);
  return sCaret.GetByteString();
}

void IFX_Edit::GenerateRichPageObjects(
    CPDF_PageObjects* pPageObjects,
    IFX_Edit* pEdit,
    const CPDF_Point& ptOffset,
    const CPVT_WordRange* pRange,
    CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray) {
  FX_COLORREF crCurText = ArgbEncode(255, 0, 0, 0);
  FX_COLORREF crOld = crCurText;

  CFX_ByteTextBuf sTextBuf;
  CPVT_WordProps wp;
  CPDF_Point ptBT(0.0f, 0.0f);

  ObjArray.RemoveAll();

  if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
    if (IFX_Edit_FontMap* pFontMap = pEdit->GetFontMap()) {
      if (pRange)
        pIterator->SetAt(pRange->BeginPos);
      else
        pIterator->SetAt(0);

      CPVT_WordPlace oldplace;

      while (pIterator->NextWord()) {
        CPVT_WordPlace place = pIterator->GetAt();
        if (pRange && place.WordCmp(pRange->EndPos) > 0)
          break;

        CPVT_Word word;
        if (pIterator->GetWord(word)) {
          word.WordProps.fFontSize = word.fFontSize;

          crCurText = ArgbEncode(255, word.WordProps.dwWordColor);

          if (place.LineCmp(oldplace) != 0 ||
              word.WordProps.fCharSpace > 0.0f ||
              word.WordProps.nHorzScale != 100 ||
              FXSYS_memcmp(&word.WordProps, &wp, sizeof(CPVT_WordProps)) != 0 ||
              crOld != crCurText) {
            if (sTextBuf.GetLength() > 0) {
              ObjArray.Add(AddTextObjToPageObjects(
                  pPageObjects, crOld, pFontMap->GetPDFFont(wp.nFontIndex),
                  wp.fFontSize, wp.fCharSpace, wp.nHorzScale,
                  CPDF_Point(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
                  sTextBuf.GetByteString()));

              sTextBuf.Clear();
            }

            wp = word.WordProps;
            ptBT = word.ptWord;
            crOld = crCurText;
          }

          sTextBuf << GetPDFWordString(pFontMap, word.WordProps.nFontIndex,
                                       word.Word, 0);

          if (word.WordProps.nWordStyle &
              PVTWORD_STYLE_UNDERLINE) { /*
                                                AddLineToPageObjects(pPageObjects,
                                            crCurText,
                                                        CPDF_Point(word.ptWord.x,
                                            word.ptWord.y + word.fDescent *
                                            0.4f),
                                                        CPDF_Point(word.ptWord.x
                                            + word.fWidth, word.ptWord.y +
                                            word.fDescent * 0.4f));
*/
            CPDF_Rect rcUnderline = GetUnderLineRect(word);
            rcUnderline.left += ptOffset.x;
            rcUnderline.right += ptOffset.x;
            rcUnderline.top += ptOffset.y;
            rcUnderline.bottom += ptOffset.y;

            AddRectToPageObjects(pPageObjects, crCurText, rcUnderline);
          }

          if (word.WordProps.nWordStyle & PVTWORD_STYLE_CROSSOUT) {
            CPDF_Rect rcCrossout = GetCrossoutRect(word);
            rcCrossout.left += ptOffset.x;
            rcCrossout.right += ptOffset.x;
            rcCrossout.top += ptOffset.y;
            rcCrossout.bottom += ptOffset.y;

            AddRectToPageObjects(pPageObjects, crCurText, rcCrossout);
          }

          oldplace = place;
        }
      }

      if (sTextBuf.GetLength() > 0) {
        ObjArray.Add(AddTextObjToPageObjects(
            pPageObjects, crOld, pFontMap->GetPDFFont(wp.nFontIndex),
            wp.fFontSize, wp.fCharSpace, wp.nHorzScale,
            CPDF_Point(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
            sTextBuf.GetByteString()));
      }
    }
//.........这里部分代码省略.........

void IFX_Edit::DrawRichEdit(CFX_RenderDevice* pDevice,
                            CPDF_Matrix* pUser2Device,
                            IFX_Edit* pEdit,
                            const CPDF_Rect& rcClip,
                            const CPDF_Point& ptOffset,
                            const CPVT_WordRange* pRange) {
  // FX_FLOAT fFontSize = pEdit->GetFontSize();
  CPVT_WordRange wrSelect = pEdit->GetSelectWordRange();

  FX_COLORREF crCurText = ArgbEncode(255, 0, 0, 0);
  FX_COLORREF crOld = crCurText;
  FX_BOOL bSelect = FALSE;
  const FX_COLORREF crWhite = ArgbEncode(255, 255, 255, 255);
  const FX_COLORREF crSelBK = ArgbEncode(255, 0, 51, 113);

  CFX_ByteTextBuf sTextBuf;
  CPVT_WordProps wp;
  CPDF_Point ptBT(0.0f, 0.0f);

  pDevice->SaveState();

  if (!rcClip.IsEmpty()) {
    CPDF_Rect rcTemp = rcClip;
    pUser2Device->TransformRect(rcTemp);
    FX_RECT rcDevClip;
    rcDevClip.left = (int32_t)rcTemp.left;
    rcDevClip.right = (int32_t)rcTemp.right;
    rcDevClip.top = (int32_t)rcTemp.top;
    rcDevClip.bottom = (int32_t)rcTemp.bottom;
    pDevice->SetClip_Rect(&rcDevClip);
  }

  if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
    if (IFX_Edit_FontMap* pFontMap = pEdit->GetFontMap()) {
      if (pRange)
        pIterator->SetAt(pRange->BeginPos);
      else
        pIterator->SetAt(0);

      CPVT_WordPlace oldplace;

      while (pIterator->NextWord()) {
        CPVT_WordPlace place = pIterator->GetAt();
        if (pRange && place.WordCmp(pRange->EndPos) > 0)
          break;

        CPVT_Word word;
        if (pIterator->GetWord(word)) {
          word.WordProps.fFontSize = word.fFontSize;

          crCurText = ArgbEncode(255, word.WordProps.dwWordColor);

          if (wrSelect.IsExist()) {
            bSelect = place.WordCmp(wrSelect.BeginPos) > 0 &&
                      place.WordCmp(wrSelect.EndPos) <= 0;
            if (bSelect) {
              crCurText = crWhite;
            }
          }

          if (bSelect) {
            CPVT_Line line;
            pIterator->GetLine(line);

            CFX_PathData pathSelBK;
            pathSelBK.AppendRect(word.ptWord.x + ptOffset.x,
                                 line.ptLine.y + line.fLineDescent + ptOffset.y,
                                 word.ptWord.x + word.fWidth + ptOffset.x,
                                 line.ptLine.y + line.fLineAscent + ptOffset.y);

            pDevice->DrawPath(&pathSelBK, pUser2Device, NULL, crSelBK, 0,
                              FXFILL_WINDING);
          }

          if (place.LineCmp(oldplace) != 0 ||
              word.WordProps.fCharSpace > 0.0f ||
              word.WordProps.nHorzScale != 100 ||
              FXSYS_memcmp(&word.WordProps, &wp, sizeof(CPVT_WordProps)) != 0 ||
              crOld != crCurText) {
            if (sTextBuf.GetLength() > 0) {
              DrawTextString(
                  pDevice, CPDF_Point(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
                  pFontMap->GetPDFFont(wp.nFontIndex), wp.fFontSize,
                  pUser2Device, sTextBuf.GetByteString(), crOld, 0,
                  wp.nHorzScale);

              sTextBuf.Clear();
            }
            wp = word.WordProps;
            ptBT = word.ptWord;
            crOld = crCurText;
          }

          sTextBuf << GetPDFWordString(pFontMap, word.WordProps.nFontIndex,
                                       word.Word, 0);

          if (word.WordProps.nWordStyle & PVTWORD_STYLE_UNDERLINE) {
            CFX_PathData pathUnderline;
            CPDF_Rect rcUnderline = GetUnderLineRect(word);
            pathUnderline.AppendRect(rcUnderline.left, rcUnderline.bottom,
//.........这里部分代码省略.........

//.........这里部分代码省略.........
    rcDevClip.top = (int32_t)rcTemp.top;
    rcDevClip.bottom = (int32_t)rcTemp.bottom;
    pDevice->SetClip_Rect(&rcDevClip);
  }

  if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
    if (IFX_Edit_FontMap* pFontMap = pEdit->GetFontMap()) {
      if (pRange)
        pIterator->SetAt(pRange->BeginPos);
      else
        pIterator->SetAt(0);

      CPVT_WordPlace oldplace;

      while (pIterator->NextWord()) {
        CPVT_WordPlace place = pIterator->GetAt();
        if (pRange && place.WordCmp(pRange->EndPos) > 0)
          break;

        if (wrSelect.IsExist()) {
          bSelect = place.WordCmp(wrSelect.BeginPos) > 0 &&
                    place.WordCmp(wrSelect.EndPos) <= 0;
          if (bSelect) {
            crCurFill = crWhite;
          } else {
            crCurFill = crTextFill;
          }
        }
        if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
          crCurFill = crTextFill;
          crOldFill = crCurFill;
        }
        CPVT_Word word;
        if (pIterator->GetWord(word)) {
          if (bSelect) {
            CPVT_Line line;
            pIterator->GetLine(line);

            if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
              CPDF_Rect rc(word.ptWord.x, line.ptLine.y + line.fLineDescent,
                           word.ptWord.x + word.fWidth,
                           line.ptLine.y + line.fLineAscent);
              rc.Intersect(rcClip);
              // CFX_Edit* pEt = (CFX_Edit*)pEdit;
              // CPDF_Rect rcEdit = pEt->VTToEdit(rc);
              pSystemHandler->OutputSelectedRect(pFFLData, rc);
            } else {
              CFX_PathData pathSelBK;
              pathSelBK.AppendRect(word.ptWord.x,
                                   line.ptLine.y + line.fLineDescent,
                                   word.ptWord.x + word.fWidth,
                                   line.ptLine.y + line.fLineAscent);

              pDevice->DrawPath(&pathSelBK, pUser2Device, NULL, crSelBK, 0,
                                FXFILL_WINDING);
            }
          }

          if (bContinuous) {
            if (place.LineCmp(oldplace) != 0 || word.nFontIndex != nFontIndex ||
                crOldFill != crCurFill) {
              if (sTextBuf.GetLength() > 0) {
                DrawTextString(pDevice, CPDF_Point(ptBT.x + ptOffset.x,
                                                   ptBT.y + ptOffset.y),
                               pFontMap->GetPDFFont(nFontIndex), fFontSize,
                               pUser2Device, sTextBuf.GetByteString(),
                               crOldFill, crTextStroke, nHorzScale);

                sTextBuf.Clear();
              }
              nFontIndex = word.nFontIndex;
              ptBT = word.ptWord;
              crOldFill = crCurFill;
            }

            sTextBuf << GetPDFWordString(pFontMap, word.nFontIndex, word.Word,
                                         SubWord);
          } else {
            DrawTextString(
                pDevice, CPDF_Point(word.ptWord.x + ptOffset.x,
                                    word.ptWord.y + ptOffset.y),
                pFontMap->GetPDFFont(word.nFontIndex), fFontSize, pUser2Device,
                GetPDFWordString(pFontMap, word.nFontIndex, word.Word, SubWord),
                crCurFill, crTextStroke, nHorzScale);
          }
          oldplace = place;
        }
      }

      if (sTextBuf.GetLength() > 0) {
        DrawTextString(
            pDevice, CPDF_Point(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
            pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device,
            sTextBuf.GetByteString(), crOldFill, crTextStroke, nHorzScale);
      }
    }
  }

  pDevice->RestoreState();
}

CFX_ByteString CPDF_StreamParser::ReadString()
{
    if (m_Size <= m_Pos) {
        return CFX_ByteString();
    }
    int ch = m_pBuf[m_Pos++];
    CFX_ByteTextBuf buf;
    int parlevel = 0;
    int status = 0, iEscCode = 0;
    while (1) {
        switch (status) {
            case 0:
                if (ch == ')') {
                    if (parlevel == 0) {
                        if (buf.GetLength() > MAX_STRING_LENGTH) {
                            return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);
                        }
                        return buf.GetByteString();
                    }
                    parlevel --;
                    buf.AppendChar(')');
                } else if (ch == '(') {
                    parlevel ++;
                    buf.AppendChar('(');
                } else if (ch == '\\') {
                    status = 1;
                } else {
                    buf.AppendChar((char)ch);
                }
                break;
            case 1:
                if (ch >= '0' && ch <= '7') {
                    iEscCode = ch - '0';
                    status = 2;
                    break;
                }
                if (ch == 'n') {
                    buf.AppendChar('\n');
                } else if (ch == 'r') {
                    buf.AppendChar('\r');
                } else if (ch == 't') {
                    buf.AppendChar('\t');
                } else if (ch == 'b') {
                    buf.AppendChar('\b');
                } else if (ch == 'f') {
                    buf.AppendChar('\f');
                } else if (ch == '\r') {
                    status = 4;
                    break;
                } else if (ch == '\n') {
                } else {
                    buf.AppendChar(ch);
                }
                status = 0;
                break;
            case 2:
                if (ch >= '0' && ch <= '7') {
                    iEscCode = iEscCode * 8 + ch - '0';
                    status = 3;
                } else {
                    buf.AppendChar(iEscCode);
                    status = 0;
                    continue;
                }
                break;
            case 3:
                if (ch >= '0' && ch <= '7') {
                    iEscCode = iEscCode * 8 + ch - '0';
                    buf.AppendChar(iEscCode);
                    status = 0;
                } else {
                    buf.AppendChar(iEscCode);
                    status = 0;
                    continue;
                }
                break;
            case 4:
                status = 0;
                if (ch != '\n') {
                    continue;
                }
                break;
        }
        if (m_Size <= m_Pos) {
            break;
        }
        ch = m_pBuf[m_Pos++];
    }
    if (m_Size > m_Pos) {
        ch = m_pBuf[m_Pos++];
    }
    if (buf.GetLength() > MAX_STRING_LENGTH) {
        return CFX_ByteString(buf.GetBuffer(), MAX_STRING_LENGTH);
    }
    return buf.GetByteString();
}

CFX_ByteString IFX_Edit::GetEditAppearanceStream(
    IFX_Edit* pEdit,
    const CPDF_Point& ptOffset,
    const CPVT_WordRange* pRange /* = NULL*/,
    FX_BOOL bContinuous /* = TRUE*/,
    FX_WORD SubWord /* = 0*/) {
  CFX_ByteTextBuf sEditStream, sWords;

  CPDF_Point ptOld(0.0f, 0.0f), ptNew(0.0f, 0.0f);
  int32_t nCurFontIndex = -1;

  if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) {
    if (pRange)
      pIterator->SetAt(pRange->BeginPos);
    else
      pIterator->SetAt(0);

    CPVT_WordPlace oldplace;

    while (pIterator->NextWord()) {
      CPVT_WordPlace place = pIterator->GetAt();

      if (pRange && place.WordCmp(pRange->EndPos) > 0)
        break;

      if (bContinuous) {
        if (place.LineCmp(oldplace) != 0) {
          if (sWords.GetSize() > 0) {
            sEditStream << GetWordRenderString(sWords.GetByteString());
            sWords.Clear();
          }

          CPVT_Word word;
          if (pIterator->GetWord(word)) {
            ptNew = CPDF_Point(word.ptWord.x + ptOffset.x,
                               word.ptWord.y + ptOffset.y);
          } else {
            CPVT_Line line;
            pIterator->GetLine(line);
            ptNew = CPDF_Point(line.ptLine.x + ptOffset.x,
                               line.ptLine.y + ptOffset.y);
          }

          if (ptNew.x != ptOld.x || ptNew.y != ptOld.y) {
            sEditStream << ptNew.x - ptOld.x << " " << ptNew.y - ptOld.y
                        << " Td\n";

            ptOld = ptNew;
          }
        }

        CPVT_Word word;
        if (pIterator->GetWord(word)) {
          if (word.nFontIndex != nCurFontIndex) {
            if (sWords.GetSize() > 0) {
              sEditStream << GetWordRenderString(sWords.GetByteString());
              sWords.Clear();
            }
            sEditStream << GetFontSetString(pEdit->GetFontMap(),
                                            word.nFontIndex, word.fFontSize);
            nCurFontIndex = word.nFontIndex;
          }

          sWords << GetPDFWordString(pEdit->GetFontMap(), nCurFontIndex,
                                     word.Word, SubWord);
        }

        oldplace = place;
      } else {
        CPVT_Word word;
        if (pIterator->GetWord(word)) {
          ptNew = CPDF_Point(word.ptWord.x + ptOffset.x,
                             word.ptWord.y + ptOffset.y);

          if (ptNew.x != ptOld.x || ptNew.y != ptOld.y) {
            sEditStream << ptNew.x - ptOld.x << " " << ptNew.y - ptOld.y
                        << " Td\n";
            ptOld = ptNew;
          }

          if (word.nFontIndex != nCurFontIndex) {
            sEditStream << GetFontSetString(pEdit->GetFontMap(),
                                            word.nFontIndex, word.fFontSize);
            nCurFontIndex = word.nFontIndex;
          }

          sEditStream << GetWordRenderString(GetPDFWordString(
              pEdit->GetFontMap(), nCurFontIndex, word.Word, SubWord));
        }
      }
    }

    if (sWords.GetSize() > 0) {
      sEditStream << GetWordRenderString(sWords.GetByteString());
      sWords.Clear();
    }
  }

  CFX_ByteTextBuf sAppStream;
  if (sEditStream.GetSize() > 0) {
//.........这里部分代码省略.........