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C++ CPDF_Stream::InitStreamFromFile方法代码示例

本文整理汇总了C++中CPDF_Stream::InitStreamFromFile方法的典型用法代码示例。如果您正苦于以下问题:C++ CPDF_Stream::InitStreamFromFile方法的具体用法?C++ CPDF_Stream::InitStreamFromFile怎么用?C++ CPDF_Stream::InitStreamFromFile使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CPDF_Stream的用法示例。


在下文中一共展示了CPDF_Stream::InitStreamFromFile方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: _SaveXFADocumentData


//.........这里部分代码省略.........
    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"
  {
    IFX_FileStream* pDsfileWrite = FX_CreateMemoryStream();
    if (NULL == pDsfileWrite) {
      pContext->Release();
      pDsfileWrite->Release();
      return FALSE;
    }
    if (pXFADocHandler->SavePackage(pXFADocView->GetDoc(),
                                    CFX_WideStringC(L"datasets"),
                                    pDsfileWrite) &&
        pDsfileWrite->GetSize() > 0) {
      // Datasets
      pContext->UpdateChecksum((IFX_FileRead*)pDsfileWrite);
      pContext->FinishChecksum();
      CPDF_Dictionary* pDataDict = new CPDF_Dictionary;
      if (iDataSetsIndex != -1) {
        if (pDataSetsStream)
          pDataSetsStream->InitStreamFromFile(pDsfileWrite, pDataDict);
      } else {
        CPDF_Stream* pData = new CPDF_Stream(NULL, 0, NULL);
        pData->InitStreamFromFile(pDsfileWrite, pDataDict);
        pPDFDocument->AddIndirectObject(pData);
        iLast = pArray->GetCount() - 2;
        pArray->InsertAt(iLast, new CPDF_String("datasets", FALSE));
        pArray->InsertAt(iLast + 1, pData, pPDFDocument);
      }
      fileList.Add(pDsfileWrite);
    }
  }

  // L"form"
  {
    IFX_FileStream* pfileWrite = FX_CreateMemoryStream();
    if (NULL == pfileWrite) {
      pContext->Release();
      return FALSE;
    }
    if (pXFADocHandler->SavePackage(pXFADocView->GetDoc(),
                                    CFX_WideStringC(L"form"), pfileWrite,
                                    pContext) &&
        pfileWrite > 0) {
      CPDF_Dictionary* pDataDict = new CPDF_Dictionary;
      if (iFormIndex != -1) {
        if (pFormStream)
          pFormStream->InitStreamFromFile(pfileWrite, pDataDict);
      } else {
        CPDF_Stream* pData = new CPDF_Stream(NULL, 0, NULL);
        pData->InitStreamFromFile(pfileWrite, pDataDict);
        pPDFDocument->AddIndirectObject(pData);
        iLast = pArray->GetCount() - 2;
        pArray->InsertAt(iLast, new CPDF_String("form", FALSE));
        pArray->InsertAt(iLast + 1, pData, pPDFDocument);
      }
      fileList.Add(pfileWrite);
    }
  }
  pContext->Release();
  return TRUE;
}
开发者ID:primiano,项目名称:pdfium-merge,代码行数:101,代码来源:fpdfsave.cpp


注:本文中的CPDF_Stream::InitStreamFromFile方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。