C++ CPDF_StreamAcc::GetData方法代码示例

CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream, FX_INT32 nComponents)
{
    if (!pIccProfileStream) {
        return NULL;
    }
    CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
    if (m_IccProfileMap.Lookup(pIccProfileStream, ipData)) {
        ipData->m_nCount++;
        return ipData->m_Obj;
    }
    CPDF_StreamAcc stream;
    stream.LoadAllData(pIccProfileStream, FALSE);
    FX_BYTE digest[20];
    CPDF_Stream* pCopiedStream = NULL;
    CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
    if (m_HashProfileMap.Lookup(CFX_ByteStringC(digest, 20), (void*&)pCopiedStream)) {
        m_IccProfileMap.Lookup(pCopiedStream, ipData);
        ipData->m_nCount++;
        return ipData->m_Obj;
    }
    CPDF_IccProfile* pProfile = FX_NEW CPDF_IccProfile(stream.GetData(), stream.GetSize(), nComponents);
    if (!pProfile) {
        return NULL;
    }
    ipData = FX_NEW CPDF_CountedObject<CPDF_IccProfile*>;
    if (!ipData) {
        delete pProfile;
        return NULL;
    }
    ipData->m_nCount = 2;
    ipData->m_Obj = pProfile;
    m_IccProfileMap.SetAt(pIccProfileStream, ipData);
    m_HashProfileMap.SetAt(CFX_ByteStringC(digest, 20), pIccProfileStream);
    return pProfile;
}

CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(
    CPDF_Stream* pIccProfileStream) {
  if (!pIccProfileStream)
    return NULL;

  auto it = m_IccProfileMap.find(pIccProfileStream);
  if (it != m_IccProfileMap.end()) {
    return it->second->AddRef();
  }

  CPDF_StreamAcc stream;
  stream.LoadAllData(pIccProfileStream, FALSE);
  uint8_t digest[20];
  CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
  auto hash_it = m_HashProfileMap.find(CFX_ByteStringC(digest, 20));
  if (hash_it != m_HashProfileMap.end()) {
    auto it_copied_stream = m_IccProfileMap.find(hash_it->second);
    return it_copied_stream->second->AddRef();
  }
  CPDF_IccProfile* pProfile =
      new CPDF_IccProfile(stream.GetData(), stream.GetSize());
  CPDF_CountedIccProfile* ipData = new CPDF_CountedIccProfile(pProfile);
  m_IccProfileMap[pIccProfileStream] = ipData;
  m_HashProfileMap[CFX_ByteStringC(digest, 20)] = pIccProfileStream;
  return ipData->AddRef();
}

FX_BOOL CPDF_IndexedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray)
{
    if (pArray->GetCount() < 4) {
        return FALSE;
    }
    CPDF_Object* pBaseObj = pArray->GetElementValue(1);
    if (pBaseObj == m_pArray) {
        return FALSE;
    }
    CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
    m_pBaseCS = pDocPageData->GetColorSpace(pBaseObj, NULL);
    if (m_pBaseCS == NULL) {
        return FALSE;
    }
    m_nBaseComponents = m_pBaseCS->CountComponents();
    m_pCompMinMax = FX_Alloc(FX_FLOAT, m_nBaseComponents * 2);
    FX_FLOAT defvalue;
    for (int i = 0; i < m_nBaseComponents; i ++) {
        m_pBaseCS->GetDefaultValue(i, defvalue, m_pCompMinMax[i * 2], m_pCompMinMax[i * 2 + 1]);
        m_pCompMinMax[i * 2 + 1] -= m_pCompMinMax[i * 2];
    }
    m_MaxIndex = pArray->GetInteger(2);
    CPDF_Object* pTableObj = pArray->GetElementValue(3);
    if (pTableObj == NULL) {
        return FALSE;
    }
    if (pTableObj->GetType() == PDFOBJ_STRING) {
        m_Table = ((CPDF_String*)pTableObj)->GetString();
    } else if (pTableObj->GetType() == PDFOBJ_STREAM) {
        CPDF_StreamAcc acc;
        acc.LoadAllData((CPDF_Stream*)pTableObj, FALSE);
        m_Table = CFX_ByteStringC(acc.GetData(), acc.GetSize());
    }
    return TRUE;
}

FX_BOOL CPDF_PSFunc::v_Init(CPDF_Object* pObj)
{
    CPDF_Stream* pStream = (CPDF_Stream*)pObj;
    CPDF_StreamAcc acc;
    acc.LoadAllData(pStream, FALSE);
    return m_PS.Parse((const FX_CHAR*)acc.GetData(), acc.GetSize());
}

void CPDF_Metadata::LoadDoc(CPDF_Document *pDoc)
{
    FXSYS_assert(pDoc != NULL);
    ((PDFDOC_LPMETADATA)m_pData)->m_pDoc = pDoc;
    CPDF_Dictionary *pRoot = pDoc->GetRoot();
    CPDF_Stream *pStream = pRoot->GetStream(FX_BSTRC("Metadata"));
    if (!pStream) {
        return;
    }
    CPDF_StreamAcc acc;
    acc.LoadAllData(pStream, FALSE);
    int size = acc.GetSize();
    FX_LPCBYTE pBuf = acc.GetData();
    CXML_Element *&pXmlElmnt = ((PDFDOC_LPMETADATA)m_pData)->m_pXmlElmnt;
    pXmlElmnt = CXML_Element::Parse(pBuf, size);
    if (!pXmlElmnt) {
        return;
    }
    CXML_Element *&pElmntRdf = ((PDFDOC_LPMETADATA)m_pData)->m_pElmntRdf;
    if (pXmlElmnt->GetTagName() == FX_BSTRC("RDF")) {
        pElmntRdf = pXmlElmnt;
    } else {
        pElmntRdf = pXmlElmnt->GetElement(NULL, FX_BSTRC("RDF"));
    }
}

void CPDF_StreamContentParser::AddForm(CPDF_Stream* pStream) {
  if (!m_Options.m_bSeparateForm) {
    CPDF_Dictionary* pResources = pStream->GetDict()->GetDict("Resources");
    CFX_Matrix form_matrix = pStream->GetDict()->GetMatrix("Matrix");
    form_matrix.Concat(m_pCurStates->m_CTM);
    CPDF_Array* pBBox = pStream->GetDict()->GetArray("BBox");
    CFX_FloatRect form_bbox;
    CPDF_Path ClipPath;
    if (pBBox) {
      form_bbox = pStream->GetDict()->GetRect("BBox");
      ClipPath.New();
      ClipPath.AppendRect(form_bbox.left, form_bbox.bottom, form_bbox.right,
                          form_bbox.top);
      ClipPath.Transform(&form_matrix);
      form_bbox.Transform(&form_matrix);
    }
    CPDF_StreamContentParser parser(m_pDocument, m_pPageResources, m_pResources,
                                    &m_mtContentToUser, m_pObjectList,
                                    pResources, &form_bbox, &m_Options,
                                    m_pCurStates.get(), m_Level + 1);
    parser.m_pCurStates->m_CTM = form_matrix;
    if (ClipPath.NotNull()) {
      parser.m_pCurStates->m_ClipPath.AppendPath(ClipPath, FXFILL_WINDING,
                                                 TRUE);
    }
    CPDF_StreamAcc stream;
    stream.LoadAllData(pStream, FALSE);
    if (stream.GetSize() == 0) {
      return;
    }
    parser.Parse(stream.GetData(), stream.GetSize(), 0);
    return;
  }
  CPDF_FormObject* pFormObj = new CPDF_FormObject;
  pFormObj->m_pForm =
      new CPDF_Form(m_pDocument, m_pPageResources, pStream, m_pResources);
  pFormObj->m_FormMatrix = m_pCurStates->m_CTM;
  pFormObj->m_FormMatrix.Concat(m_mtContentToUser);
  CPDF_AllStates status;
  status.m_GeneralState = m_pCurStates->m_GeneralState;
  status.m_GraphState = m_pCurStates->m_GraphState;
  status.m_ColorState = m_pCurStates->m_ColorState;
  status.m_TextState = m_pCurStates->m_TextState;
  pFormObj->m_pForm->ParseContent(&status, NULL, NULL, &m_Options, m_Level + 1);
  if (!m_pObjectList->m_bBackgroundAlphaNeeded &&
      pFormObj->m_pForm->m_bBackgroundAlphaNeeded) {
    m_pObjectList->m_bBackgroundAlphaNeeded = TRUE;
  }
  pFormObj->CalcBoundingBox();
  SetGraphicStates(pFormObj, TRUE, TRUE, TRUE);
  m_pObjectList->m_ObjectList.AddTail(pFormObj);
}

CFX_WideString CPDF_Object::GetUnicodeText(CFX_CharMap* pCharMap) const
{
    if (m_Type == PDFOBJ_STRING) {
        return PDF_DecodeText(((CPDF_String*)this)->m_String, pCharMap);
    } else if (m_Type == PDFOBJ_STREAM) {
        CPDF_StreamAcc stream;
        stream.LoadAllData((CPDF_Stream*)this, FALSE);
        CFX_WideString result = PDF_DecodeText(stream.GetData(), stream.GetSize(), pCharMap);
        return result;
    } else if (m_Type == PDFOBJ_NAME) {
        return PDF_DecodeText(((CPDF_Name*)this)->m_Name, pCharMap);
    }
    return CFX_WideString();
}

CFX_WideString CPDF_Object::GetUnicodeText(CFX_CharMap* pCharMap) const {
  if (const CPDF_String* pString = AsString())
    return PDF_DecodeText(pString->m_String, pCharMap);

  if (const CPDF_Stream* pStream = AsStream()) {
    CPDF_StreamAcc stream;
    stream.LoadAllData(pStream, FALSE);
    CFX_WideString result =
        PDF_DecodeText(stream.GetData(), stream.GetSize(), pCharMap);
    return result;
  }
  if (const CPDF_Name* pName = AsName())
    return PDF_DecodeText(pName->m_Name, pCharMap);
  return CFX_WideString();
}

FX_BOOL CPDF_IndexedCS::v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) {
  if (pArray->GetCount() < 4) {
    return FALSE;
  }
  CPDF_Object* pBaseObj = pArray->GetElementValue(1);
  if (pBaseObj == m_pArray) {
    return FALSE;
  }
  CPDF_DocPageData* pDocPageData = pDoc->GetPageData();
  m_pBaseCS = pDocPageData->GetColorSpace(pBaseObj, NULL);
  if (!m_pBaseCS) {
    return FALSE;
  }
  m_pCountedBaseCS = pDocPageData->FindColorSpacePtr(m_pBaseCS->GetArray());
  m_nBaseComponents = m_pBaseCS->CountComponents();
  m_pCompMinMax = FX_Alloc2D(FX_FLOAT, m_nBaseComponents, 2);
  FX_FLOAT defvalue;
  for (int i = 0; i < m_nBaseComponents; i++) {
    m_pBaseCS->GetDefaultValue(i, defvalue, m_pCompMinMax[i * 2],
                               m_pCompMinMax[i * 2 + 1]);
    m_pCompMinMax[i * 2 + 1] -= m_pCompMinMax[i * 2];
  }
  m_MaxIndex = pArray->GetInteger(2);

  CPDF_Object* pTableObj = pArray->GetElementValue(3);
  if (!pTableObj)
    return FALSE;

  if (CPDF_String* pString = pTableObj->AsString()) {
    m_Table = pString->GetString();
  } else if (CPDF_Stream* pStream = pTableObj->AsStream()) {
    CPDF_StreamAcc acc;
    acc.LoadAllData(pStream, FALSE);
    m_Table = CFX_ByteStringC(acc.GetData(), acc.GetSize());
  }
  return TRUE;
}

FX_BOOL _SaveXFADocumentData(CPDFXFA_Document* pDocument,
                             CFX_PtrArray& fileList) {
  if (!pDocument)
    return FALSE;
  if (pDocument->GetDocType() != DOCTYPE_DYNAMIC_XFA &&
      pDocument->GetDocType() != DOCTYPE_STATIC_XFA)
    return TRUE;
  if (!CPDFXFA_App::GetInstance()->GetXFAApp())
    return TRUE;

  IXFA_DocView* pXFADocView = pDocument->GetXFADocView();
  if (NULL == pXFADocView)
    return TRUE;

  IXFA_DocHandler* pXFADocHandler =
      CPDFXFA_App::GetInstance()->GetXFAApp()->GetDocHandler();
  CPDF_Document* pPDFDocument = pDocument->GetPDFDoc();
  if (pDocument == NULL)
    return FALSE;

  CPDF_Dictionary* pRoot = pPDFDocument->GetRoot();
  if (pRoot == NULL)
    return FALSE;
  CPDF_Dictionary* pAcroForm = pRoot->GetDict("AcroForm");
  if (NULL == pAcroForm)
    return FALSE;
  CPDF_Object* pXFA = pAcroForm->GetElement("XFA");
  if (pXFA == NULL)
    return TRUE;
  if (pXFA->GetType() != PDFOBJ_ARRAY)
    return FALSE;
  CPDF_Array* pArray = pXFA->GetArray();
  if (NULL == pArray)
    return FALSE;
  int size = pArray->GetCount();
  int iFormIndex = -1;
  int iDataSetsIndex = -1;
  int iTemplate = -1;
  int iLast = size - 2;
  for (int i = 0; i < size - 1; i++) {
    CPDF_Object* pPDFObj = pArray->GetElement(i);
    if (pPDFObj->GetType() != PDFOBJ_STRING)
      continue;
    if (pPDFObj->GetString() == "form")
      iFormIndex = i + 1;
    else if (pPDFObj->GetString() == "datasets")
      iDataSetsIndex = i + 1;
    else if (pPDFObj->GetString() == "template")
      iTemplate = i + 1;
  }
  IXFA_ChecksumContext* pContext = NULL;
  // Checksum
  pContext = XFA_Checksum_Create();
  FXSYS_assert(pContext);
  pContext->StartChecksum();

  // template
  if (iTemplate > -1) {
    CPDF_Stream* pTemplateStream = pArray->GetStream(iTemplate);
    CPDF_StreamAcc streamAcc;
    streamAcc.LoadAllData(pTemplateStream);
    uint8_t* pData = (uint8_t*)streamAcc.GetData();
    FX_DWORD dwSize2 = streamAcc.GetSize();
    IFX_FileStream* pTemplate = FX_CreateMemoryStream(pData, dwSize2);
    pContext->UpdateChecksum((IFX_FileRead*)pTemplate);
    pTemplate->Release();
  }
  CPDF_Stream* pFormStream = NULL;
  CPDF_Stream* pDataSetsStream = NULL;
  if (iFormIndex != -1) {
    // Get form CPDF_Stream
    CPDF_Object* pFormPDFObj = pArray->GetElement(iFormIndex);
    if (pFormPDFObj->GetType() == PDFOBJ_REFERENCE) {
      CPDF_Object* pFormDircetObj = pFormPDFObj->GetDirect();
      if (NULL != pFormDircetObj &&
          pFormDircetObj->GetType() == PDFOBJ_STREAM) {
        pFormStream = (CPDF_Stream*)pFormDircetObj;
      }
    } else if (pFormPDFObj->GetType() == PDFOBJ_STREAM) {
      pFormStream = (CPDF_Stream*)pFormPDFObj;
    }
  }

  if (iDataSetsIndex != -1) {
    // Get datasets CPDF_Stream
    CPDF_Object* pDataSetsPDFObj = pArray->GetElement(iDataSetsIndex);
    if (pDataSetsPDFObj->GetType() == PDFOBJ_REFERENCE) {
      CPDF_Reference* pDataSetsRefObj = (CPDF_Reference*)pDataSetsPDFObj;
      CPDF_Object* pDataSetsDircetObj = pDataSetsRefObj->GetDirect();
      if (NULL != pDataSetsDircetObj &&
          pDataSetsDircetObj->GetType() == PDFOBJ_STREAM) {
        pDataSetsStream = (CPDF_Stream*)pDataSetsDircetObj;
      }
    } else if (pDataSetsPDFObj->GetType() == PDFOBJ_STREAM) {
      pDataSetsStream = (CPDF_Stream*)pDataSetsPDFObj;
    }
  }
  // end
  // L"datasets"
  {
//.........这里部分代码省略.........

FX_BOOL CPDF_SampledFunc::v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const
{
    int pos = 0;
    CFX_FixedBufGrow<FX_FLOAT, 16> encoded_input_buf(m_nInputs);
    FX_FLOAT* encoded_input = encoded_input_buf;
    CFX_FixedBufGrow<int, 32> int_buf(m_nInputs * 2);
    int* index = int_buf;
    int* blocksize = index + m_nInputs;
    for (int i = 0; i < m_nInputs; i ++) {
        if (i == 0) {
            blocksize[i] = 1;
        } else {
            blocksize[i] = blocksize[i - 1] * m_pEncodeInfo[i - 1].sizes;
        }
        encoded_input[i] = PDF_Interpolate(inputs[i], m_pDomains[i * 2], m_pDomains[i * 2 + 1],
                                           m_pEncodeInfo[i].encode_min, m_pEncodeInfo[i].encode_max);
        index[i] = (int)encoded_input[i];
        if (index[i] < 0) {
            index[i] = 0;
        } else if (index[i] > m_pEncodeInfo[i].sizes - 1) {
            index[i] = m_pEncodeInfo[i].sizes - 1;
        }
        pos += index[i] * blocksize[i];
    }
    FX_SAFE_INT32 bitpos = pos;
    bitpos *= m_nBitsPerSample;
    bitpos *= m_nOutputs;
    if (!bitpos.IsValid()) {
        return FALSE;
    }
    FX_LPCBYTE pSampleData = m_pSampleStream->GetData();
    if (pSampleData == NULL) {
        return FALSE;
    }
    FX_SAFE_INT32 bitpos1 = m_nOutputs - 1 > 0 ? m_nOutputs - 1 : 0; 
    bitpos1 *= m_nBitsPerSample;
    bitpos1 += bitpos.ValueOrDie();
    if (!bitpos1.IsValid()) {
        return FALSE;
    }
    for (int j = 0; j < m_nOutputs; j ++) {
        FX_DWORD sample = _GetBits32(pSampleData, bitpos.ValueOrDie() + j * m_nBitsPerSample, m_nBitsPerSample);
        FX_FLOAT encoded = (FX_FLOAT)sample;
        for (int i = 0; i < m_nInputs; i ++) {
            if (index[i] == m_pEncodeInfo[i].sizes - 1) {
                if (index[i] == 0) {
                    encoded = encoded_input[i] * (FX_FLOAT)sample;
                }
            } else {
                FX_SAFE_INT32 bitpos2 = blocksize[i];
                bitpos2 += 1;
                bitpos2 *= m_nBitsPerSample; 
                bitpos2 *= m_nOutputs;
                bitpos2 += bitpos.ValueOrDie();
                if (!bitpos2.IsValid()) {
                    return FALSE;
                }
                FX_DWORD sample1 = _GetBits32(pSampleData, bitpos2.ValueOrDie(), m_nBitsPerSample);
                encoded += (encoded_input[i] - index[i]) * ((FX_FLOAT)sample1 - (FX_FLOAT)sample);
            }
        }
        results[j] = PDF_Interpolate(encoded, 0, (FX_FLOAT)m_SampleMax,
                                     m_pDecodeInfo[j].decode_min, m_pDecodeInfo[j].decode_max);
    }
    return TRUE;
}

//.........这里部分代码省略.........
		if (!pAnnotAP)continue;

		CPDF_Stream* pAPStream = pAnnotAP->GetStream("N");
		if (!pAPStream)
		{
			CPDF_Dictionary* pAPDic = pAnnotAP->GetDict("N");
			if (!pAPDic)continue;

			if (!sAnnotState.IsEmpty())
			{
				pAPStream = pAPDic->GetStream(sAnnotState);
			}
			else
			{
				FX_POSITION pos = pAPDic->GetStartPos();
				if (pos)
				{
					CFX_ByteString sKey;
					CPDF_Object* pFirstObj = pAPDic->GetNextElement(pos, sKey);
					if (pFirstObj)
					{
						if (pFirstObj->GetType() == PDFOBJ_REFERENCE)
							pFirstObj = pFirstObj->GetDirect();
						
						if (pFirstObj->GetType() != PDFOBJ_STREAM)
							continue;

						pAPStream = (CPDF_Stream*)pFirstObj;
					}
				}
			}
		}

		if (!pAPStream)continue;

		CPDF_Dictionary* pAPDic = pAPStream->GetDict();
		CFX_AffineMatrix matrix = pAPDic->GetMatrix("Matrix");

		CPDF_Rect rcStream;
		if (pAPDic->KeyExist("Rect"))
			rcStream = pAPDic->GetRect("Rect");
		else if (pAPDic->KeyExist("BBox"))
			rcStream = pAPDic->GetRect("BBox");

		if (rcStream.IsEmpty())continue;

		CPDF_Object* pObj = pAPStream;

		if (pObj)
		{		
			CPDF_Dictionary* pObjDic = pObj->GetDict();
			if (pObjDic)
			{
				pObjDic->SetAtName("Type", "XObject");
				pObjDic->SetAtName("Subtype", "Form");
			}
		}

		CPDF_Dictionary* pXObject = pNewXORes->GetDict("XObject");
		if (!pXObject)
		{
			pXObject = FX_NEW CPDF_Dictionary;
			pNewXORes->SetAt("XObject", pXObject);
		}

		CFX_ByteString sFormName;
		sFormName.Format("F%d", i);
		FX_DWORD dwObjNum = pDocument->AddIndirectObject(pObj);
		pXObject->SetAtReference(sFormName, pDocument, dwObjNum);

		CPDF_StreamAcc acc;
		acc.LoadAllData(pNewXObject);

		FX_LPCBYTE pData = acc.GetData();
		CFX_ByteString sStream(pData, acc.GetSize());
		CFX_ByteString sTemp;

		if (matrix.IsIdentity())
		{
			matrix.a = 1.0f;
			matrix.b = 0.0f;
			matrix.c = 0.0f;
			matrix.d = 1.0f;
			matrix.e = 0.0f;
			matrix.f = 0.0f;
		}

		CFX_AffineMatrix m = GetMatrix(rcAnnot, rcStream, matrix);
		sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f, sFormName.c_str());
		sStream += sTemp;

		pNewXObject->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
	}
	pPageDict->RemoveAt( "Annots" );

	ObjectArray.RemoveAll();
	RectArray.RemoveAll();

	return FLATTEN_SUCCESS;
}

void SetPageContents(CFX_ByteString key, CPDF_Dictionary* pPage, CPDF_Document* pDocument)
{
	CPDF_Object* pContentsObj = pPage->GetStream("Contents");
	if (!pContentsObj)
	{
		pContentsObj = pPage->GetArray("Contents");
	}
	
	if (!pContentsObj)
	{
		//Create a new contents dictionary
		if (!key.IsEmpty())
		{
			CPDF_Stream* pNewContents = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
			if (!pNewContents)return;
			pPage->SetAtReference("Contents", pDocument, pDocument->AddIndirectObject(pNewContents));
			
			CFX_ByteString sStream;
			sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
			pNewContents->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
		}
		return;
	}

	int iType = pContentsObj->GetType();
	CPDF_Array* pContentsArray = NULL;
	
	switch(iType)
	{
	case PDFOBJ_STREAM:
		{
			pContentsArray = FX_NEW CPDF_Array;
			CPDF_Stream* pContents = (CPDF_Stream*)pContentsObj;
			FX_DWORD dwObjNum = pDocument->AddIndirectObject(pContents);
			CPDF_StreamAcc acc;
			acc.LoadAllData(pContents);
			CFX_ByteString sStream = "q\n";
			CFX_ByteString sBody = CFX_ByteString((FX_LPCSTR)acc.GetData(), acc.GetSize());
			sStream = sStream + sBody + "\nQ";
			pContents->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
			pContentsArray->AddReference(pDocument, dwObjNum);
			break;
		}
		
	case PDFOBJ_ARRAY:
		{
			pContentsArray = (CPDF_Array*)pContentsObj;
			break;
		}
	default:
		break;
	}	
	
	if (!pContentsArray)return;
	
	FX_DWORD dwObjNum = pDocument->AddIndirectObject(pContentsArray);
	pPage->SetAtReference("Contents", pDocument, dwObjNum);
	
	if (!key.IsEmpty())
	{
		CPDF_Stream* pNewContents = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
		dwObjNum = pDocument->AddIndirectObject(pNewContents);
		pContentsArray->AddReference(pDocument, dwObjNum);
		
		CFX_ByteString sStream;
		sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
		pNewContents->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
	}
}

void SetPageContents(CFX_ByteString key,
                     CPDF_Dictionary* pPage,
                     CPDF_Document* pDocument) {
  CPDF_Object* pContentsObj = pPage->GetStreamFor("Contents");
  if (!pContentsObj) {
    pContentsObj = pPage->GetArrayFor("Contents");
  }

  if (!pContentsObj) {
    // Create a new contents dictionary
    if (!key.IsEmpty()) {
      CPDF_Stream* pNewContents = new CPDF_Stream(
          nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));
      CFX_ByteString sStream;
      sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
      pNewContents->SetData(sStream.raw_str(), sStream.GetLength());
      pPage->SetReferenceFor("Contents", pDocument,
                             pDocument->AddIndirectObject(pNewContents));
    }
    return;
  }

  CPDF_Array* pContentsArray = nullptr;
  switch (pContentsObj->GetType()) {
    case CPDF_Object::STREAM: {
      pContentsArray = new CPDF_Array;
      CPDF_Stream* pContents = pContentsObj->AsStream();
      uint32_t dwObjNum = pDocument->AddIndirectObject(pContents);
      CPDF_StreamAcc acc;
      acc.LoadAllData(pContents);
      CFX_ByteString sStream = "q\n";
      CFX_ByteString sBody =
          CFX_ByteString((const FX_CHAR*)acc.GetData(), acc.GetSize());
      sStream = sStream + sBody + "\nQ";
      pContents->SetData(sStream.raw_str(), sStream.GetLength());
      pContentsArray->AddReference(pDocument, dwObjNum);
      break;
    }

    case CPDF_Object::ARRAY: {
      pContentsArray = pContentsObj->AsArray();
      break;
    }
    default:
      break;
  }

  if (!pContentsArray)
    return;

  pPage->SetReferenceFor("Contents", pDocument,
                         pDocument->AddIndirectObject(pContentsArray));

  if (!key.IsEmpty()) {
    CPDF_Stream* pNewContents = new CPDF_Stream(
        nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));
    CFX_ByteString sStream;
    sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", key.c_str());
    pNewContents->SetData(sStream.raw_str(), sStream.GetLength());
    pContentsArray->AddReference(pDocument,
                                 pDocument->AddIndirectObject(pNewContents));
  }
}

//.........这里部分代码省略.........
  for (int i = 0; i < nStreams; i++) {
    CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
    if (!pAnnotDic)
      continue;

    CFX_FloatRect rcAnnot = pAnnotDic->GetRectFor("Rect");
    rcAnnot.Normalize();

    CFX_ByteString sAnnotState = pAnnotDic->GetStringFor("AS");
    CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDictFor("AP");
    if (!pAnnotAP)
      continue;

    CPDF_Stream* pAPStream = pAnnotAP->GetStreamFor("N");
    if (!pAPStream) {
      CPDF_Dictionary* pAPDic = pAnnotAP->GetDictFor("N");
      if (!pAPDic)
        continue;

      if (!sAnnotState.IsEmpty()) {
        pAPStream = pAPDic->GetStreamFor(sAnnotState);
      } else {
        auto it = pAPDic->begin();
        if (it != pAPDic->end()) {
          CPDF_Object* pFirstObj = it->second;
          if (pFirstObj) {
            if (pFirstObj->IsReference())
              pFirstObj = pFirstObj->GetDirect();
            if (!pFirstObj->IsStream())
              continue;
            pAPStream = pFirstObj->AsStream();
          }
        }
      }
    }
    if (!pAPStream)
      continue;

    CPDF_Dictionary* pAPDic = pAPStream->GetDict();
    CFX_Matrix matrix = pAPDic->GetMatrixFor("Matrix");

    CFX_FloatRect rcStream;
    if (pAPDic->KeyExist("Rect"))
      rcStream = pAPDic->GetRectFor("Rect");
    else if (pAPDic->KeyExist("BBox"))
      rcStream = pAPDic->GetRectFor("BBox");

    if (rcStream.IsEmpty())
      continue;

    CPDF_Object* pObj = pAPStream;

    if (pObj) {
      CPDF_Dictionary* pObjDic = pObj->GetDict();
      if (pObjDic) {
        pObjDic->SetNameFor("Type", "XObject");
        pObjDic->SetNameFor("Subtype", "Form");
      }
    }

    CPDF_Dictionary* pXObject = pNewXORes->GetDictFor("XObject");
    if (!pXObject) {
      pXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
      pNewXORes->SetFor("XObject", pXObject);
    }

    CFX_ByteString sFormName;
    sFormName.Format("F%d", i);
    pXObject->SetReferenceFor(sFormName, pDocument,
                              pDocument->AddIndirectObject(pObj));

    CPDF_StreamAcc acc;
    acc.LoadAllData(pNewXObject);

    const uint8_t* pData = acc.GetData();
    CFX_ByteString sStream(pData, acc.GetSize());

    if (matrix.IsIdentity()) {
      matrix.a = 1.0f;
      matrix.b = 0.0f;
      matrix.c = 0.0f;
      matrix.d = 1.0f;
      matrix.e = 0.0f;
      matrix.f = 0.0f;
    }

    CFX_ByteString sTemp;
    CFX_Matrix m = GetMatrix(rcAnnot, rcStream, matrix);
    sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f,
                 sFormName.c_str());
    sStream += sTemp;
    pNewXObject->SetData(sStream.raw_str(), sStream.GetLength());
  }
  pPageDict->RemoveFor("Annots");

  ObjectArray.RemoveAll();
  RectArray.RemoveAll();

  return FLATTEN_SUCCESS;
}