C++ CFX_ByteTextBuf::GetLength方法代码示例

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()));
			}
		}
	}
}

FX_BOOL Document::mailForm(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError)
{
	ASSERT(m_pDocument != NULL);

	if (!m_pDocument->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) return FALSE;

	int iLength = params.size();

	FX_BOOL bUI = iLength > 0 ? params[0].ToBool() : TRUE;
	CFX_WideString cTo = iLength > 1 ? params[1].ToCFXWideString() : L"";
	CFX_WideString cCc = iLength > 2 ? params[2].ToCFXWideString() : L"";
	CFX_WideString cBcc = iLength > 3 ? params[3].ToCFXWideString() : L"";
	CFX_WideString cSubject = iLength > 4 ? params[4].ToCFXWideString() : L"";
	CFX_WideString cMsg = iLength > 5 ? params[5].ToCFXWideString() : L"";

	CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)m_pDocument->GetInterForm();
	ASSERT(pInterForm != NULL);

	CFX_ByteTextBuf textBuf;
	if (!pInterForm->ExportFormToFDFTextBuf(textBuf))
		return FALSE;

	CJS_Context* pContext = (CJS_Context*)cc;
	ASSERT(pContext != NULL);
	CPDFDoc_Environment* pEnv = pContext->GetReaderApp();
	ASSERT(pEnv != NULL);
	CJS_Runtime* pRuntime = pContext->GetJSRuntime();
	ASSERT(pRuntime != NULL);

	pRuntime->BeginBlock();
	pEnv->JS_docmailForm(textBuf.GetBuffer(), textBuf.GetLength(), bUI, cTo.c_str(), cSubject.c_str(), cCc.c_str(), cBcc.c_str(), cMsg.c_str());
	pRuntime->EndBlock();
	return TRUE;
}

FX_BOOL CPDFSDK_InterForm::SubmitForm(const CFX_WideString& sDestination,
                                      FX_BOOL bUrlEncoded) {
  if (sDestination.IsEmpty())
    return FALSE;

  if (!m_pDocument || !m_pInterForm)
    return FALSE;

  CPDFSDK_Environment* pEnv = m_pDocument->GetEnv();
  CFX_WideString wsPDFFilePath = m_pDocument->GetPath();
  CFDF_Document* pFDFDoc =
      m_pInterForm->ExportToFDF(wsPDFFilePath.AsStringC(), false);
  if (!pFDFDoc)
    return FALSE;

  CFX_ByteTextBuf FdfBuffer;
  FX_BOOL bRet = pFDFDoc->WriteBuf(FdfBuffer);
  delete pFDFDoc;
  if (!bRet)
    return FALSE;

  uint8_t* pBuffer = FdfBuffer.GetBuffer();
  FX_STRSIZE nBufSize = FdfBuffer.GetLength();

  if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize))
    return FALSE;

  pEnv->JS_docSubmitForm(pBuffer, nBufSize, sDestination.c_str());

  if (bUrlEncoded)
    FX_Free(pBuffer);

  return TRUE;
}

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();
}

void CPWL_ListBox::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
  CPWL_Wnd::GetThisAppearanceStream(sAppStream);

  CFX_ByteTextBuf sListItems;

  if (m_pList) {
    CFX_FloatRect rcPlate = m_pList->GetPlateRect();
    for (int32_t i = 0, sz = m_pList->GetCount(); i < sz; i++) {
      CFX_FloatRect rcItem = m_pList->GetItemRect(i);

      if (rcItem.bottom > rcPlate.top || rcItem.top < rcPlate.bottom)
        continue;

      CFX_FloatPoint ptOffset(rcItem.left, (rcItem.top + rcItem.bottom) * 0.5f);
      if (m_pList->IsItemSelected(i)) {
        sListItems << CPWL_Utils::GetRectFillAppStream(rcItem,
                                                       PWL_DEFAULT_SELBACKCOLOR)
                          .AsStringC();
        CFX_ByteString sItem =
            CPWL_Utils::GetEditAppStream(m_pList->GetItemEdit(i), ptOffset);
        if (sItem.GetLength() > 0) {
          sListItems << "BT\n"
                     << CPWL_Utils::GetColorAppStream(PWL_DEFAULT_SELTEXTCOLOR)
                            .AsStringC()
                     << sItem.AsStringC() << "ET\n";
        }
      } else {
        CFX_ByteString sItem =
            CPWL_Utils::GetEditAppStream(m_pList->GetItemEdit(i), ptOffset);
        if (sItem.GetLength() > 0) {
          sListItems << "BT\n"
                     << CPWL_Utils::GetColorAppStream(GetTextColor())
                            .AsStringC()
                     << sItem.AsStringC() << "ET\n";
        }
      }
    }
  }

  if (sListItems.GetLength() > 0) {
    CFX_ByteTextBuf sClip;
    CFX_FloatRect rcClient = GetClientRect();

    sClip << "q\n";
    sClip << rcClient.left << " " << rcClient.bottom << " "
          << rcClient.right - rcClient.left << " "
          << rcClient.top - rcClient.bottom << " re W n\n";

    sClip << sListItems << "Q\n";

    sAppStream << "/Tx BMC\n" << sClip << "EMC\n";
  }
}

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();
}

FX_BOOL CPDFSDK_InterForm::SubmitFields(
    const CFX_WideString& csDestination,
    const std::vector<CPDF_FormField*>& fields,
    bool bIncludeOrExclude,
    bool bUrlEncoded) {
  CPDFSDK_Environment* pEnv = m_pDocument->GetEnv();

  CFX_ByteTextBuf textBuf;
  ExportFieldsToFDFTextBuf(fields, bIncludeOrExclude, textBuf);

  uint8_t* pBuffer = textBuf.GetBuffer();
  FX_STRSIZE nBufSize = textBuf.GetLength();

  if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize))
    return FALSE;

  pEnv->JS_docSubmitForm(pBuffer, nBufSize, csDestination.c_str());
  return TRUE;
}

void CPDF_PageContentGenerator::GenerateContent() {
  CFX_ByteTextBuf buf;
  CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict;
  for (int i = 0; i < m_pageObjects.GetSize(); ++i) {
    CPDF_PageObject* pPageObj = m_pageObjects[i];
    if (!pPageObj || !pPageObj->IsImage()) {
      continue;
    }
    ProcessImage(buf, pPageObj->AsImage());
  }
  CPDF_Object* pContent =
      pPageDict ? pPageDict->GetDirectObjectFor("Contents") : nullptr;
  if (pContent)
    pPageDict->RemoveFor("Contents");

  CPDF_Stream* pStream = new CPDF_Stream;
  pStream->SetData(buf.GetBuffer(), buf.GetLength());
  pPageDict->SetReferenceFor("Contents", m_pDocument,
                             m_pDocument->AddIndirectObject(pStream));
}

FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(uint8_t*& pBuf,
                                               FX_STRSIZE& nBufSize) {
  CFDF_Document* pFDF = CFDF_Document::ParseMemory(pBuf, nBufSize);
  if (!pFDF)
    return TRUE;

  CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictFor("FDF");
  if (!pMainDict)
    return FALSE;

  CPDF_Array* pFields = pMainDict->GetArrayFor("Fields");
  if (!pFields)
    return FALSE;

  CFX_ByteTextBuf fdfEncodedData;
  for (uint32_t i = 0; i < pFields->GetCount(); i++) {
    CPDF_Dictionary* pField = pFields->GetDictAt(i);
    if (!pField)
      continue;
    CFX_WideString name;
    name = pField->GetUnicodeTextFor("T");
    CFX_ByteString name_b = CFX_ByteString::FromUnicode(name);
    CFX_ByteString csBValue = pField->GetStringFor("V");
    CFX_WideString csWValue = PDF_DecodeText(csBValue);
    CFX_ByteString csValue_b = CFX_ByteString::FromUnicode(csWValue);

    fdfEncodedData << name_b.GetBuffer(name_b.GetLength());
    name_b.ReleaseBuffer();
    fdfEncodedData << "=";
    fdfEncodedData << csValue_b.GetBuffer(csValue_b.GetLength());
    csValue_b.ReleaseBuffer();
    if (i != pFields->GetCount() - 1)
      fdfEncodedData << "&";
  }

  nBufSize = fdfEncodedData.GetLength();
  pBuf = FX_Alloc(uint8_t, nBufSize);
  FXSYS_memcpy(pBuf, fdfEncodedData.GetBuffer(), nBufSize);
  return TRUE;
}

void Revision6_Hash(const uint8_t* password,
                    uint32_t size,
                    const uint8_t* salt,
                    const uint8_t* vector,
                    uint8_t* hash) {
  int iBlockSize = 32;
  uint8_t sha[128];
  CRYPT_SHA256Start(sha);
  CRYPT_SHA256Update(sha, password, size);
  CRYPT_SHA256Update(sha, salt, 8);
  if (vector) {
    CRYPT_SHA256Update(sha, vector, 48);
  }
  uint8_t digest[32];
  CRYPT_SHA256Finish(sha, digest);
  CFX_ByteTextBuf buf;
  uint8_t* input = digest;
  uint8_t* key = input;
  uint8_t* iv = input + 16;
  uint8_t* E = buf.GetBuffer();
  int iBufLen = buf.GetLength();
  CFX_ByteTextBuf interDigest;
  int i = 0;
  uint8_t* aes = FX_Alloc(uint8_t, 2048);
  while (i < 64 || i < E[iBufLen - 1] + 32) {
    int iRoundSize = size + iBlockSize;
    if (vector) {
      iRoundSize += 48;
    }
    iBufLen = iRoundSize * 64;
    buf.EstimateSize(iBufLen);
    E = buf.GetBuffer();
    CFX_ByteTextBuf content;
    for (int j = 0; j < 64; ++j) {
      content.AppendBlock(password, size);
      content.AppendBlock(input, iBlockSize);
      if (vector) {
        content.AppendBlock(vector, 48);
      }
    }
    CRYPT_AESSetKey(aes, 16, key, 16, TRUE);
    CRYPT_AESSetIV(aes, iv);
    CRYPT_AESEncrypt(aes, E, content.GetBuffer(), iBufLen);
    int iHash = 0;
    switch (BigOrder64BitsMod3(E)) {
      case 0:
        iHash = 0;
        iBlockSize = 32;
        break;
      case 1:
        iHash = 1;
        iBlockSize = 48;
        break;
      default:
        iHash = 2;
        iBlockSize = 64;
        break;
    }
    interDigest.EstimateSize(iBlockSize);
    input = interDigest.GetBuffer();
    if (iHash == 0) {
      CRYPT_SHA256Generate(E, iBufLen, input);
    } else if (iHash == 1) {
      CRYPT_SHA384Generate(E, iBufLen, input);
    } else if (iHash == 2) {
      CRYPT_SHA512Generate(E, iBufLen, input);
    }
    key = input;
    iv = input + 16;
    ++i;
  }
  FX_Free(aes);
  if (hash) {
    FXSYS_memcpy(hash, input, 32);
  }
}

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.........

void IFX_Edit::DrawEdit(CFX_RenderDevice* pDevice,
                        CPDF_Matrix* pUser2Device,
                        IFX_Edit* pEdit,
                        FX_COLORREF crTextFill,
                        FX_COLORREF crTextStroke,
                        const CPDF_Rect& rcClip,
                        const CPDF_Point& ptOffset,
                        const CPVT_WordRange* pRange,
                        IFX_SystemHandler* pSystemHandler,
                        void* pFFLData) {
  FX_BOOL bContinuous = pEdit->GetCharArray() == 0;
  if (pEdit->GetCharSpace() > 0.0f)
    bContinuous = FALSE;

  FX_WORD SubWord = pEdit->GetPasswordChar();
  FX_FLOAT fFontSize = pEdit->GetFontSize();
  CPVT_WordRange wrSelect = pEdit->GetSelectWordRange();
  int32_t nHorzScale = pEdit->GetHorzScale();

  FX_COLORREF crCurFill = crTextFill;
  FX_COLORREF crOldFill = crCurFill;

  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;
  int32_t nFontIndex = -1;
  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;

        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) {
//.........这里部分代码省略.........

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();
}

void CPWL_Edit::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
  CPWL_Wnd::GetThisAppearanceStream(sAppStream);

  CPDF_Rect rcClient = GetClientRect();
  CFX_ByteTextBuf sLine;

  int32_t nCharArray = m_pEdit->GetCharArray();

  if (nCharArray > 0) {
    switch (GetBorderStyle()) {
      case PBS_SOLID: {
        sLine << "q\n" << GetBorderWidth() << " w\n"
              << CPWL_Utils::GetColorAppStream(GetBorderColor(), FALSE)
              << " 2 J 0 j\n";

        for (int32_t i = 1; i < nCharArray; i++) {
          sLine << rcClient.left +
                       ((rcClient.right - rcClient.left) / nCharArray) * i
                << " " << rcClient.bottom << " m\n"
                << rcClient.left +
                       ((rcClient.right - rcClient.left) / nCharArray) * i
                << " " << rcClient.top << " l S\n";
        }

        sLine << "Q\n";
      } break;
      case PBS_DASH: {
        sLine << "q\n" << GetBorderWidth() << " w\n"
              << CPWL_Utils::GetColorAppStream(GetBorderColor(), FALSE)
              << " 2 J 0 j\n"
              << "[" << GetBorderDash().nDash << " " << GetBorderDash().nGap
              << "] " << GetBorderDash().nPhase << " d\n";

        for (int32_t i = 1; i < nCharArray; i++) {
          sLine << rcClient.left +
                       ((rcClient.right - rcClient.left) / nCharArray) * i
                << " " << rcClient.bottom << " m\n"
                << rcClient.left +
                       ((rcClient.right - rcClient.left) / nCharArray) * i
                << " " << rcClient.top << " l S\n";
        }

        sLine << "Q\n";
      } break;
    }
  }

  sAppStream << sLine;

  CFX_ByteTextBuf sText;

  CPDF_Point ptOffset = CPDF_Point(0.0f, 0.0f);

  CPVT_WordRange wrWhole = m_pEdit->GetWholeWordRange();
  CPVT_WordRange wrSelect = GetSelectWordRange();
  CPVT_WordRange wrVisible =
      (HasFlag(PES_TEXTOVERFLOW) ? wrWhole : m_pEdit->GetVisibleWordRange());
  CPVT_WordRange wrSelBefore(wrWhole.BeginPos, wrSelect.BeginPos);
  CPVT_WordRange wrSelAfter(wrSelect.EndPos, wrWhole.EndPos);

  CPVT_WordRange wrTemp =
      CPWL_Utils::OverlapWordRange(GetSelectWordRange(), wrVisible);
  CFX_ByteString sEditSel =
      CPWL_Utils::GetEditSelAppStream(m_pEdit, ptOffset, &wrTemp);

  if (sEditSel.GetLength() > 0)
    sText << CPWL_Utils::GetColorAppStream(PWL_DEFAULT_SELBACKCOLOR)
          << sEditSel;

  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelBefore);
  CFX_ByteString sEditBefore = CPWL_Utils::GetEditAppStream(
      m_pEdit, ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
      m_pEdit->GetPasswordChar());

  if (sEditBefore.GetLength() > 0)
    sText << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor())
          << sEditBefore << "ET\n";

  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelect);
  CFX_ByteString sEditMid = CPWL_Utils::GetEditAppStream(
      m_pEdit, ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
      m_pEdit->GetPasswordChar());

  if (sEditMid.GetLength() > 0)
    sText << "BT\n"
          << CPWL_Utils::GetColorAppStream(CPWL_Color(COLORTYPE_GRAY, 1))
          << sEditMid << "ET\n";

  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelAfter);
  CFX_ByteString sEditAfter = CPWL_Utils::GetEditAppStream(
      m_pEdit, ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
      m_pEdit->GetPasswordChar());

  if (sEditAfter.GetLength() > 0)
    sText << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor())
          << sEditAfter << "ET\n";

  if (HasFlag(PES_SPELLCHECK)) {
    CFX_ByteString sSpellCheck = CPWL_Utils::GetSpellCheckAppStream(
        m_pEdit, m_pSpellCheck, ptOffset, &wrVisible);
//.........这里部分代码省略.........