C++ (Cpp) CPDF_Document::GetPage Examples

Example #1

File: fpdfview.cpp Project: mariospr/chromium-browser

DLLEXPORT FPDF_PAGE STDCALL FPDF_LoadPage(FPDF_DOCUMENT document, int page_index)
{
	if (document == NULL) return NULL;
	if (page_index < 0 || page_index >= FPDF_GetPageCount(document)) return NULL;

	CPDF_Document* pDoc = (CPDF_Document*)document;
	if (pDoc == NULL) return NULL;
	CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
	if (pDict == NULL) return NULL;
	CPDF_Page* pPage = new CPDF_Page;
	pPage->Load(pDoc, pDict);
	pPage->ParseContent();
	return pPage;
}

Example #2

DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document, int page_index, double* width, double* height)
{
    CPDF_Document* pDoc = (CPDF_Document*)document;
    if(pDoc == NULL)
        return FALSE;

    CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
    if (pDict == NULL) return FALSE;

    CPDF_Page page;
    page.Load(pDoc, pDict);
    *width = page.GetPageWidth();
    *height = page.GetPageHeight();

    return TRUE;
}

Example #3

File: Document.cpp Project: mcanthony/libpdf

FX_BOOL Document::getPageNumWords(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 nPageNo = params.GetSize() > 0 ? params[0].ToInt() : 0;

	CPDF_Document* pDocument = m_pDocument->GetDocument();
	ASSERT(pDocument != NULL);

	CJS_Context* pContext = static_cast<CJS_Context*>(cc);
	if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
	{
		sError = JSGetStringFromID(pContext, IDS_STRING_JSVALUEERROR);
		return FALSE;
	}

	CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
	if (!pPageDict) return FALSE;

	CPDF_Page page;
	page.Load(pDocument, pPageDict);
	page.StartParse();
	page.ParseContent();

	FX_POSITION pos = page.GetFirstObjectPosition();

	int nWords = 0;

	while (pos)
	{
		if (CPDF_PageObject* pPageObj = page.GetNextObject(pos))
		{
			if (pPageObj->m_Type == PDFPAGE_TEXT)
			{
				CPDF_TextObject* pTextObj = (CPDF_TextObject*)pPageObj;
				nWords += CountWords(pTextObj);
			}
		}
	}

	vRet = nWords;

	return TRUE;
}

Example #4

File: fpdfxfa_page.cpp Project: hfiguiere/pdfium

FX_BOOL CPDFXFA_Page::LoadPDFPage() {
  if (!m_pDocument)
    return FALSE;

  CPDF_Document* pPDFDoc = m_pDocument->GetPDFDoc();
  if (!pPDFDoc)
    return FALSE;

  CPDF_Dictionary* pDict = pPDFDoc->GetPage(m_iPageIndex);
  if (!pDict)
    return FALSE;

  if (!m_pPDFPage || m_pPDFPage->m_pFormDict != pDict) {
    m_pPDFPage = WrapUnique(new CPDF_Page(pPDFDoc, pDict, true));
    m_pPDFPage->ParseContent();
  }
  return TRUE;
}

Example #5

DLLEXPORT FPDF_PAGE STDCALL FPDF_LoadPage(FPDF_DOCUMENT document, int page_index)
{
    if (document == NULL) return NULL;
    if (page_index < 0 || page_index >= FPDF_GetPageCount(document)) return NULL;
//	CPDF_Parser* pParser = (CPDF_Parser*)document;
    CPDF_Document* pDoc = (CPDF_Document*)document;
    if (pDoc == NULL) return NULL;
    CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
    if (pDict == NULL) return NULL;
    CPDF_Page* pPage = FX_NEW CPDF_Page;
    pPage->Load(pDoc, pDict);
    try {
        pPage->ParseContent();
    }
    catch (...) {
        delete pPage;
        return NULL;
    }

//	CheckUnSupportError(pDoc, 0);

    return pPage;
}

Example #6

File: Document.cpp Project: mcanthony/libpdf

FX_BOOL Document::getPageNthWord(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 nPageNo = params.GetSize() > 0 ? params[0].ToInt() : 0;
	int nWordNo = params.GetSize() > 1 ? params[1].ToInt() : 0;
	bool bStrip = params.GetSize() > 2 ? params[2].ToBool() : true;

	CPDF_Document* pDocument = m_pDocument->GetDocument();
	if (!pDocument) return FALSE;

	CJS_Context* pContext = static_cast<CJS_Context*>(cc);
	if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
	{
		sError = JSGetStringFromID(pContext, IDS_STRING_JSVALUEERROR);
		return FALSE;
	}

	CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
	if (!pPageDict) return FALSE;

	CPDF_Page page;
	page.Load(pDocument, pPageDict);
	page.StartParse();
	page.ParseContent();

	FX_POSITION pos = page.GetFirstObjectPosition();

	int nWords = 0;

	CFX_WideString swRet;

	while (pos)
	{
		if (CPDF_PageObject* pPageObj = page.GetNextObject(pos))
		{
			if (pPageObj->m_Type == PDFPAGE_TEXT)
			{
				int nObjWords = CountWords((CPDF_TextObject*)pPageObj);

				if (nWords + nObjWords >= nWordNo)
				{
					swRet = GetObjWordStr((CPDF_TextObject*)pPageObj, nWordNo - nWords);
					break;
				}

				nWords += nObjWords;
			}
		}
	}

	if (bStrip)
	{
		swRet.TrimLeft();
		swRet.TrimRight();
	}

	vRet = swRet.c_str();
	return TRUE;
}