ossimNitfCodecFactory Class Reference

This is a convenience class that is used by the NITF handler to create the proper keywordlist from the TREs and then calls the CodecRegistry to actuall return and allocate a new codec. More...

#include <ossimNitfCodecFactory.h>

Public Member Functions
	~ossimNitfCodecFactory ()
ossimCodecBase *	createCodec (ossimRefPtr< ossimNitfImageHeader > imageHeader)

Static Public Member Functions
static ossimNitfCodecFactory *	instance ()

Protected Member Functions
	ossimNitfCodecFactory ()

Static Protected Attributes
static std::mutex	m_mutex
static ossimNitfCodecFactory *	m_instance =0

Detailed Description

This is a convenience class that is used by the NITF handler to create the proper keywordlist from the TREs and then calls the CodecRegistry to actuall return and allocate a new codec.

Definition at line 21 of file ossimNitfCodecFactory.h.

Constructor & Destructor Documentation

~ossimNitfCodecFactory()

ossimNitfCodecFactory::~ossimNitfCodecFactory

(

)

Definition at line 22 of file ossimNitfCodecFactory.cpp.

References m_instance, and m_mutex.

{
   std::lock_guard<std::mutex> lock(m_mutex);
   m_instance = 0;
}

ossimNitfCodecFactory()

ossimNitfCodecFactory::ossimNitfCodecFactory ( )

protected

Definition at line 17 of file ossimNitfCodecFactory.cpp.

References m_instance.

Referenced by instance().

{
   m_instance = this;
}

Member Function Documentation

createCodec()

ossimCodecBase * ossimNitfCodecFactory::createCodec

(

ossimRefPtr< ossimNitfImageHeader >

imageHeader

)

Definition at line 40 of file ossimNitfCodecFactory.cpp.

References ossimKeywordlist::add(), ossimString::c_str(), ossimCodecFactoryRegistry::createCodec(), ossimNitfImageHeader::getCompressionCode(), ossimCodecFactoryRegistry::instance(), ossimNitfImageHeader::isCompressed(), ossimNitfImageHeader::saveState(), and ossimRefPtr< T >::valid().

{
   ossimCodecBase* result=0;

   if(imageHeader.valid()&&imageHeader->isCompressed())
   {
      ossimKeywordlist kwl;

      imageHeader->saveState(kwl);
      // rename the type to be a NITF IC compression type
      // J2K should be C8
      //
      kwl.add("type", imageHeader->getCompressionCode().c_str(), true);
      result = ossimCodecFactoryRegistry::instance()->createCodec(kwl);
   }

   return result;
}

instance()

ossimNitfCodecFactory * ossimNitfCodecFactory::instance ( )

static

Definition at line 29 of file ossimNitfCodecFactory.cpp.

References m_instance, m_mutex, and ossimNitfCodecFactory().

{
   std::lock_guard<std::mutex> lock(m_mutex);
   if(!m_instance)
   {
      m_instance = new ossimNitfCodecFactory();
   }

   return m_instance;
}

Member Data Documentation

m_instance

ossimNitfCodecFactory * ossimNitfCodecFactory::m_instance =0

staticprotected

Definition at line 30 of file ossimNitfCodecFactory.h.

Referenced by instance(), ossimNitfCodecFactory(), and ~ossimNitfCodecFactory().

m_mutex

std::mutex ossimNitfCodecFactory::m_mutex

staticprotected

Definition at line 29 of file ossimNitfCodecFactory.h.

Referenced by instance(), and ~ossimNitfCodecFactory().

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

• ossimNitfCodecFactory.h
• ossimNitfCodecFactory.cpp