ossimGeoPdfInfo Class Reference

GeoPdf info class. More...

#include <ossimGeoPdfInfo.h>

Inheritance diagram for ossimGeoPdfInfo:

Public Member Functions
	ossimGeoPdfInfo ()
	default constructor More...
virtual	~ossimGeoPdfInfo ()
	virtual destructor More...
virtual bool	open (const ossimFilename &file)
	open method. More...
virtual bool	open (std::shared_ptr< ossim::istream > &str, const std::string &connectionString)
	open method. More...
virtual std::ostream &	print (std::ostream &out) const
	Print method. More...
bool	isOpen ()
Public Member Functions inherited from ossimInfoBase
	ossimInfoBase ()
	default constructor More...
void	setProcessOverviewFlag (bool flag)
	Sets the overview flag. More...
bool	getProcessOverviewFlag () const
	Method to get the overview flag. More...
virtual bool	getKeywordlist (ossimKeywordlist &kwl) const
	Method to dump info to a keyword list. More...
virtual bool	getKeywordlist (ossimKeywordlist &kwl, ossim_uint32 entryIndex) const
	Method to dump info to a keyword list. More...
Public Member Functions inherited from ossimReferenced
	ossimReferenced ()
	ossimReferenced (const ossimReferenced &)
ossimReferenced &	operator= (const ossimReferenced &)
void	ref () const
	increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
void	unref () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
void	unref_nodelete () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...
int	referenceCount () const

Private Attributes
ossimFilename	theFile
PoDoFo::PdfMemDocument *	m_PdfMemDocument

Additional Inherited Members
Protected Member Functions inherited from ossimInfoBase
virtual	~ossimInfoBase ()
	virtual destructor More...
Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()
Protected Attributes inherited from ossimInfoBase
bool	theOverviewFlag

Detailed Description

GeoPdf info class.

Encapsulates the GeoPdf functionality.

Definition at line 34 of file ossimGeoPdfInfo.h.

Constructor & Destructor Documentation

ossimGeoPdfInfo()

ossimGeoPdfInfo::ossimGeoPdfInfo

(

)

default constructor

Definition at line 33 of file ossimGeoPdfInfo.cpp.

   : ossimInfoBase(),
     theFile(),
     m_PdfMemDocument(NULL)
{
}

~ossimGeoPdfInfo()

ossimGeoPdfInfo::~ossimGeoPdfInfo ( )

virtual

virtual destructor

Definition at line 40 of file ossimGeoPdfInfo.cpp.

References m_PdfMemDocument.

{
  if (m_PdfMemDocument != NULL)
  {
    delete m_PdfMemDocument;
    m_PdfMemDocument = 0;
  }
}

Member Function Documentation

isOpen()

bool ossimGeoPdfInfo::isOpen

(

)

Definition at line 72 of file ossimGeoPdfInfo.cpp.

References ossimString::downcase(), ossimFilename::ext(), and theFile.

Referenced by open().

{
  ossimString ext = theFile.ext().downcase();

  if(ext == "pdf")
  {
    return true;
  }
  else
  {
    return false;
  }
}

open() [1/2]

bool ossimGeoPdfInfo::open ( const ossimFilename &  file )

virtual

open method.

Parameters

file	File name to open.

Returns

true on success false on error.

Reimplemented from ossimInfoBase.

Definition at line 49 of file ossimGeoPdfInfo.cpp.

References ossimString::c_str(), isOpen(), m_PdfMemDocument, and theFile.

{
   theFile = file;
   if (isOpen())
   {
     PoDoFo::PdfError::EnableDebug(false); //do not print out debug info
     m_PdfMemDocument = new PoDoFo::PdfMemDocument(theFile.c_str());

     if (m_PdfMemDocument == NULL)
     {
       return false;
     }
     return true;
   }
   return false;
}

open() [2/2]

bool ossimGeoPdfInfo::open ( std::shared_ptr< ossim::istream > &  str, const std::string &  connectionString  )

virtual

open method.

Parameters

str	File name to open.

Returns

true on success false on error.

Reimplemented from ossimInfoBase.

Definition at line 66 of file ossimGeoPdfInfo.cpp.

{
  return false;
}

print()

std::ostream & ossimGeoPdfInfo::print ( std::ostream &  out ) const

virtual

Print method.

Parameters

out	Stream to print to.

Returns

std::ostream&

Implements ossimInfoBase.

Definition at line 86 of file ossimGeoPdfInfo.cpp.

References ossimString::c_str(), ossimString::empty(), m_PdfMemDocument, ossimString::substitute(), ossimString::toString(), and ossimString::trim().

{
  static const char MODULE[] = "ossimGeoPdfInfo::print";
 
  int count = m_PdfMemDocument->GetPageCount();
  PoDoFo::PdfString author = m_PdfMemDocument->GetInfo()->GetAuthor();
  PoDoFo::PdfString creator = m_PdfMemDocument->GetInfo()->GetCreator();
  PoDoFo::PdfString title = m_PdfMemDocument->GetInfo()->GetTitle();
  PoDoFo::PdfString subject = m_PdfMemDocument->GetInfo()->GetSubject();
  PoDoFo::PdfString keywords = m_PdfMemDocument->GetInfo()->GetKeywords();
  PoDoFo::PdfString producer = m_PdfMemDocument->GetInfo()->GetProducer();


  ossimString createDate;
  ossimString modifyDate;
  PoDoFo::PdfObject* obj = m_PdfMemDocument->GetInfo()->GetObject();
  if (obj->IsDictionary())
  {
    PoDoFo::PdfDictionary pdfDictionary = obj->GetDictionary();

    PoDoFo::TKeyMap keyMap = pdfDictionary.GetKeys();
    PoDoFo::TKeyMap::iterator it = keyMap.begin();
    while (it != keyMap.end())
    {
      ossimString refName = ossimString(it->first.GetName());
      PoDoFo::PdfObject* refObj = it->second;

      std::string objStr;
      refObj->ToString(objStr);
      
      if (refName == "CreationDate")
      {
        createDate = ossimString(objStr);
        createDate = createDate.substitute("(", "", true).trim();
        createDate = createDate.substitute(")", "", true).trim();
        createDate = createDate.substitute("D:", "", true).trim();
      }
      else if (refName == "ModDate")
      {
        modifyDate = ossimString(objStr);
        modifyDate = modifyDate.substitute("(", "", true).trim();
        modifyDate = modifyDate.substitute(")", "", true).trim();
        modifyDate = modifyDate.substitute("D:", "", true).trim();
      }
      it++;
    }
  }

  try
  {
     m_PdfMemDocument->FreeObjectMemory(obj);
  }
  catch (...)
  {  
  }

  ossimString authorStr = author.GetString();
  ossimString creatorStr = creator.GetString();
  ossimString titleStr = title.GetString();
  ossimString producerStr = producer.GetString();
  ossimString subjectStr = subject.GetString();
  ossimString keywordsStr = keywords.GetString();

  ossimString prefix = "geopdf.";

  out << prefix << "pagecount:  "
    << ossimString::toString(count).c_str() << "\n";

  if (!authorStr.empty())
  {
    out << prefix << "author:  "
      << authorStr.c_str() << "\n";
  }

  if (!creatorStr.empty())
  {
    out << prefix << "creator:  "
      << creatorStr.c_str() << "\n";
  }

  if (!titleStr.empty())
  {
    out << prefix << "title:  "
      << titleStr.c_str() << "\n";
  }

  if (!producerStr.empty())
  {
    out << prefix << "producer:  "
      << producerStr.c_str() << "\n";
  }

  if (!subjectStr.empty())
  {
    out << prefix << "subject:  "
      << subjectStr.c_str() << "\n";
  }

  if (!keywordsStr.empty())
  {
    out << prefix << "keywords:  "
      << keywordsStr.c_str() << "\n";
  }

  if (!createDate.empty())
  {
    out << prefix << "creationdate:  "
      << createDate.c_str() << "\n";
  }

  if (!modifyDate.empty())
  {
    out << prefix << "modificationdate:  "
      << modifyDate.c_str() << "\n";
  }

  if (traceDebug())
  {    
     ossimNotify(ossimNotifyLevel_DEBUG)
      << MODULE << " DEBUG Entered...\n";
  }
  return out;
}

Member Data Documentation

m_PdfMemDocument

PoDoFo::PdfMemDocument* ossimGeoPdfInfo::m_PdfMemDocument

private

Definition at line 69 of file ossimGeoPdfInfo.h.

Referenced by open(), print(), and ~ossimGeoPdfInfo().

theFile

ossimFilename ossimGeoPdfInfo::theFile

private

Definition at line 68 of file ossimGeoPdfInfo.h.

Referenced by isOpen(), and open().

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The documentation for this class was generated from the following files:

• ossimGeoPdfInfo.h
• ossimGeoPdfInfo.cpp