C++ CPDF_Stream::InitStream方法代码示例

本文整理汇总了C++中CPDF_Stream::InitStream方法的典型用法代码示例。如果您正苦于以下问题：C++ CPDF_Stream::InitStream方法的具体用法？C++ CPDF_Stream::InitStream怎么用？C++ CPDF_Stream::InitStream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类CPDF_Stream的用法示例。

在下文中一共展示了CPDF_Stream::InitStream方法的7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: Clone

CPDF_Stream* CPDF_Stream::Clone(FX_BOOL bDirect, FPDF_LPFCloneStreamCallback lpfCallback, FX_LPVOID pUserData) const
{
    CPDF_Dictionary *pCloneDict = (CPDF_Dictionary*)m_pDict->Clone(bDirect);
    IFX_FileStream *pFS = NULL;
    if (lpfCallback) {
        pFS = lpfCallback((CPDF_Stream*)this, pUserData);
    }
    if (!pFS) {
        CPDF_StreamAcc acc;
        acc.LoadAllData(this, TRUE);
        FX_DWORD streamSize = acc.GetSize();
        return new CPDF_Stream(acc.DetachData(), streamSize, pCloneDict);
    }
    CPDF_Stream* pObj = new CPDF_Stream(NULL, 0, NULL);
    CPDF_StreamFilter *pSF = GetStreamFilter(TRUE);
    if (pSF) {
        FX_LPBYTE pBuf = FX_Alloc(FX_BYTE, 4096);
        FX_DWORD dwRead;
        do {
            dwRead = pSF->ReadBlock(pBuf, 4096);
            if (dwRead) {
                pFS->WriteBlock(pBuf, dwRead);
            }
        } while (dwRead == 4096);
        pFS->Flush();
        FX_Free(pBuf);
        delete pSF;
    }
    pObj->InitStream((IFX_FileRead*)pFS, pCloneDict);
    return pObj;
}

开发者ID:duanhjlt，项目名称:pdfium，代码行数:31，代码来源:fpdf_parser_objects.cpp

示例2: AddFontToAnnotDict

void CBA_FontMap::AddFontToAnnotDict(CPDF_Font* pFont, const CFX_ByteString& sAlias)
{
	if (!pFont)	return;

	ASSERT(m_pAnnotDict != NULL);
	ASSERT(m_pDocument != NULL);

	CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDict("AP");

	if (pAPDict == NULL)
	{
		pAPDict = new CPDF_Dictionary;
		m_pAnnotDict->SetAt("AP", pAPDict);
	}

	//to avoid checkbox and radiobutton
	CPDF_Object* pObject = pAPDict->GetElement(m_sAPType);
	if (pObject && pObject->GetType() == PDFOBJ_DICTIONARY)
		return;

	CPDF_Stream* pStream = pAPDict->GetStream(m_sAPType);
	if (pStream == NULL)
	{
		pStream = new CPDF_Stream(NULL, 0, NULL);
		FX_INT32 objnum = m_pDocument->AddIndirectObject(pStream);
		pAPDict->SetAtReference(m_sAPType, m_pDocument, objnum);
	}

	CPDF_Dictionary * pStreamDict = pStream->GetDict();

	if (!pStreamDict)
	{
		pStreamDict = new CPDF_Dictionary;
		pStream->InitStream(NULL, 0, pStreamDict);
	}

	if (pStreamDict)
	{
		CPDF_Dictionary* pStreamResList = pStreamDict->GetDict("Resources");
		if (!pStreamResList)
		{
			pStreamResList = new CPDF_Dictionary();
			pStreamDict->SetAt("Resources", pStreamResList);
		}

		if (pStreamResList) 
		{
			CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDict("Font");
			if (!pStreamResFontList) 
			{
				pStreamResFontList = new CPDF_Dictionary;
				FX_INT32 objnum = m_pDocument->AddIndirectObject(pStreamResFontList);
				pStreamResList->SetAtReference("Font", m_pDocument, objnum);
			}
			if (!pStreamResFontList->KeyExist(sAlias))
				pStreamResFontList->SetAtReference(sAlias, m_pDocument, pFont->GetFontDict());
		}
	}
}

开发者ID:Gardenya，项目名称:pdfium，代码行数:59，代码来源:FFL_CBA_Fontmap.cpp

示例3: WriteAppearance

void CPDFSDK_BAAnnot::WriteAppearance(const CFX_ByteString& sAPType,
                                      const CPDF_Rect& rcBBox,
                                      const CFX_Matrix& matrix,
                                      const CFX_ByteString& sContents,
                                      const CFX_ByteString& sAPState) {
  CPDF_Dictionary* pAPDict = m_pAnnot->GetAnnotDict()->GetDictBy("AP");

  if (!pAPDict) {
    pAPDict = new CPDF_Dictionary;
    m_pAnnot->GetAnnotDict()->SetAt("AP", pAPDict);
  }

  CPDF_Stream* pStream = nullptr;
  CPDF_Dictionary* pParentDict = nullptr;

  if (sAPState.IsEmpty()) {
    pParentDict = pAPDict;
    pStream = pAPDict->GetStreamBy(sAPType);
  } else {
    CPDF_Dictionary* pAPTypeDict = pAPDict->GetDictBy(sAPType);
    if (!pAPTypeDict) {
      pAPTypeDict = new CPDF_Dictionary;
      pAPDict->SetAt(sAPType, pAPTypeDict);
    }

    pParentDict = pAPTypeDict;
    pStream = pAPTypeDict->GetStreamBy(sAPState);
  }

  if (!pStream) {
    pStream = new CPDF_Stream(nullptr, 0, nullptr);

    CPDF_Document* pDoc = m_pPageView->GetPDFDocument();
    int32_t objnum = pDoc->AddIndirectObject(pStream);
    pParentDict->SetAtReference(sAPType, pDoc, objnum);
  }

  CPDF_Dictionary* pStreamDict = pStream->GetDict();
  if (!pStreamDict) {
    pStreamDict = new CPDF_Dictionary;
    pStreamDict->SetAtName("Type", "XObject");
    pStreamDict->SetAtName("Subtype", "Form");
    pStreamDict->SetAtInteger("FormType", 1);
    pStream->InitStream(nullptr, 0, pStreamDict);
  }

  if (pStreamDict) {
    pStreamDict->SetAtMatrix("Matrix", matrix);
    pStreamDict->SetAtRect("BBox", rcBBox);
  }

  pStream->SetData((uint8_t*)sContents.c_str(), sContents.GetLength(), FALSE,
                   FALSE);
}

开发者ID:andoma，项目名称:pdfium，代码行数:54，代码来源:fsdk_baseannot.cpp

示例4: AddFontToAnnotDict

void CBA_FontMap::AddFontToAnnotDict(CPDF_Font* pFont,
                                     const CFX_ByteString& sAlias) {
  if (!pFont)
    return;

  CPDF_Dictionary* pAPDict = m_pAnnotDict->GetDictBy("AP");

  if (!pAPDict) {
    pAPDict = new CPDF_Dictionary;
    m_pAnnotDict->SetAt("AP", pAPDict);
  }

  // to avoid checkbox and radiobutton
  CPDF_Object* pObject = pAPDict->GetObjectBy(m_sAPType);
  if (ToDictionary(pObject))
    return;

  CPDF_Stream* pStream = pAPDict->GetStreamBy(m_sAPType);
  if (!pStream) {
    pStream = new CPDF_Stream(nullptr, 0, nullptr);
    int32_t objnum = m_pDocument->AddIndirectObject(pStream);
    pAPDict->SetAtReference(m_sAPType, m_pDocument, objnum);
  }

  CPDF_Dictionary* pStreamDict = pStream->GetDict();

  if (!pStreamDict) {
    pStreamDict = new CPDF_Dictionary;
    pStream->InitStream(nullptr, 0, pStreamDict);
  }

  if (pStreamDict) {
    CPDF_Dictionary* pStreamResList = pStreamDict->GetDictBy("Resources");
    if (!pStreamResList) {
      pStreamResList = new CPDF_Dictionary();
      pStreamDict->SetAt("Resources", pStreamResList);
    }

    if (pStreamResList) {
      CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictBy("Font");
      if (!pStreamResFontList) {
        pStreamResFontList = new CPDF_Dictionary;
        int32_t objnum = m_pDocument->AddIndirectObject(pStreamResFontList);
        pStreamResList->SetAtReference("Font", m_pDocument, objnum);
      }
      if (!pStreamResFontList->KeyExist(sAlias))
        pStreamResFontList->SetAtReference(sAlias, m_pDocument,
                                           pFont->GetFontDict());
    }
  }
}

开发者ID:gradescope，项目名称:pdfium，代码行数:51，代码来源:cba_fontmap.cpp

示例5: ProcessForm

void CPDF_PageContentGenerate::ProcessForm(CFX_ByteTextBuf& buf,
        const uint8_t* data,
        FX_DWORD size,
        CFX_Matrix& matrix) {
    if (!data || !size) {
        return;
    }
    CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
    CPDF_Dictionary* pFormDict = CPDF_Dictionary::Create();
    pFormDict->SetAtName("Type", "XObject");
    pFormDict->SetAtName("Subtype", "Form");
    CFX_FloatRect bbox = m_pPage->GetPageBBox();
    matrix.TransformRect(bbox);
    pFormDict->SetAtRect("BBox", bbox);
    pStream->InitStream((uint8_t*)data, size, pFormDict);
    buf << "q " << matrix << " cm ";
    CFX_ByteString name = RealizeResource(pStream, "XObject");
    buf << "/" << PDF_NameEncode(name) << " Do Q\n";
}

开发者ID:，项目名称:，代码行数:19，代码来源:

示例6: ProcessForm

void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
                                            const uint8_t* data,
                                            uint32_t size,
                                            CFX_Matrix& matrix) {
  if (!data || !size)
    return;

  CPDF_Dictionary* pFormDict =
      new CPDF_Dictionary(m_pDocument->GetByteStringPool());
  pFormDict->SetNameFor("Type", "XObject");
  pFormDict->SetNameFor("Subtype", "Form");

  CFX_FloatRect bbox = m_pPage->GetPageBBox();
  matrix.TransformRect(bbox);
  pFormDict->SetRectFor("BBox", bbox);

  CPDF_Stream* pStream = new CPDF_Stream;
  pStream->InitStream(data, size, pFormDict);
  buf << "q " << matrix << " cm ";

  CFX_ByteString name = RealizeResource(pStream, "XObject");
  buf << "/" << PDF_NameEncode(name) << " Do Q\n";
}

开发者ID:hfiguiere，项目名称:pdfium，代码行数:23，代码来源:cpdf_pagecontentgenerator.cpp

示例7: WriteAppearance

void CPDFSDK_Annot::WriteAppearance(const CFX_ByteString& sAPType, const CPDF_Rect& rcBBox, 
								const CPDF_Matrix& matrix, const CFX_ByteString& sContents,
								const CFX_ByteString& sAPState)
{
	ASSERT(m_pAnnot != NULL);
	ASSERT(m_pAnnot->m_pAnnotDict != NULL);
	
	CPDF_Dictionary* pAPDict = m_pAnnot->m_pAnnotDict->GetDict("AP");
	
	if (!pAPDict) 
	{
		pAPDict = FX_NEW CPDF_Dictionary;
		m_pAnnot->m_pAnnotDict->SetAt("AP", pAPDict);
	}
	
	CPDF_Stream* pStream = NULL;
	CPDF_Dictionary* pParentDict = NULL;
	
	if (sAPState.IsEmpty())
	{
		pParentDict = pAPDict;
		pStream = pAPDict->GetStream(sAPType);
	}
	else
	{
		CPDF_Dictionary* pAPTypeDict = pAPDict->GetDict(sAPType);
		if (!pAPTypeDict)
		{
			pAPTypeDict = FX_NEW CPDF_Dictionary;
			pAPDict->SetAt(sAPType, pAPTypeDict);
		}
		
		pParentDict = pAPTypeDict;
		pStream = pAPTypeDict->GetStream(sAPState);
	}
	
	if (!pStream) 
	{
		ASSERT(m_pPageView != NULL);
		CPDF_Document* pDoc = m_pPageView->GetPDFDocument();
		ASSERT(pDoc != NULL);
		
		pStream = FX_NEW CPDF_Stream(NULL, 0, NULL);
		FX_INT32 objnum = pDoc->AddIndirectObject(pStream);
		//pAPDict->SetAtReference(sAPType, pDoc, objnum);
		ASSERT(pParentDict != NULL);
		pParentDict->SetAtReference(sAPType, pDoc, objnum);
	}
	
	CPDF_Dictionary * pStreamDict = pStream->GetDict();
	
	if (!pStreamDict)
	{
		pStreamDict = FX_NEW CPDF_Dictionary;
		pStreamDict->SetAtName("Type", "XObject");
		pStreamDict->SetAtName("Subtype", "Form");
		pStreamDict->SetAtInteger("FormType", 1);
		pStream->InitStream(NULL,0,pStreamDict);
	}
	
	if (pStreamDict)
	{
		pStreamDict->SetAtMatrix("Matrix",matrix);	
		pStreamDict->SetAtRect("BBox", rcBBox);		
	}
	
	pStream->SetData((FX_BYTE*)sContents.c_str(), sContents.GetLength(), FALSE, FALSE);
}

开发者ID:witwall，项目名称:pdfium，代码行数:68，代码来源:fsdk_baseannot.cpp

注：本文中的CPDF_Stream::InitStream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。