ossimPngCodecFactory Class Reference

Codec factory. More...

#include <ossimPngCodecFactory.h>

Inheritance diagram for ossimPngCodecFactory:

Public Member Functions
virtual	~ossimPngCodecFactory ()
	virtual destructor More...
virtual ossimCodecBase *	createCodec (const ossimString &type) const
	createCodec takes a type and will return a new codec to encode decode image buffers More...
virtual ossimCodecBase *	createCodec (const ossimKeywordlist &kwl, const char *prefix=0) const
	createCodec takes a type in the keywordlist and will return a new codec to encode decode image buffers More...
virtual void	getTypeNameList (std::vector< ossimString > &typeNames) const
Public Member Functions inherited from ossimCodecFactoryInterface
	ossimCodecFactoryInterface ()
	default constructor More...
virtual	~ossimCodecFactoryInterface ()
	virtual destructor More...
virtual ossimObject *	createObject (const ossimString &type) const
	This is a bridge to the generic factory list interface that trys to call createObject. More...
virtual ossimObject *	createObject (const ossimKeywordlist &kwl, const char *prefix=0) const
	This is a bridge to the generic factory list interface that trys to call createObject. More...

Static Public Member Functions
static ossimPngCodecFactory *	instance ()

Private Member Functions
	ossimPngCodecFactory ()
	hidden from use default constructor More...
	ossimPngCodecFactory (const ossimPngCodecFactory &obj)
	hidden from use copy constructor More...
const ossimPngCodecFactory &	operator= (const ossimPngCodecFactory &rhs)
	hidden from use operator = More...

Static Private Attributes
static ossimPngCodecFactory *	m_instance = 0
	The single instance of this class. More...

Detailed Description

Codec factory.

Definition at line 24 of file ossimPngCodecFactory.h.

Constructor & Destructor Documentation

~ossimPngCodecFactory()

ossimPngCodecFactory::~ossimPngCodecFactory ( )

virtual

virtual destructor

Definition at line 29 of file ossimPngCodecFactory.cpp.

{}

ossimPngCodecFactory() [1/2]

ossimPngCodecFactory::ossimPngCodecFactory ( )

private

hidden from use default constructor

Definition at line 83 of file ossimPngCodecFactory.cpp.

Referenced by instance().

{}

ossimPngCodecFactory() [2/2]

ossimPngCodecFactory::ossimPngCodecFactory ( const ossimPngCodecFactory &  obj )

private

hidden from use copy constructor

Definition at line 86 of file ossimPngCodecFactory.cpp.

{}

Member Function Documentation

createCodec() [1/2]

ossimCodecBase * ossimPngCodecFactory::createCodec ( const ossimString &  type ) const

virtual

createCodec takes a type and will return a new codec to encode decode image buffers

Parameters

in	type. Type identifer used to allocate the proper codec.

Returns

ossimCodecBase type.

Implements ossimCodecFactoryInterface.

Definition at line 40 of file ossimPngCodecFactory.cpp.

References ossimString::downcase(), and ossimRefPtr< T >::release().

Referenced by createCodec().

{
   ossimRefPtr<ossimPngCodec> result;
   ossimString tempType = type.downcase();
   if(tempType == "png") 
   {
      result = new ossimPngCodec();
   }
   else if(tempType == "pnga")
   {
      result = new ossimPngCodec(true);
   }
   else if(tempType == "ossimPngCodec")
   {
      result = new ossimPngCodec();
   }

   return result.release();
}

createCodec() [2/2]

ossimCodecBase * ossimPngCodecFactory::createCodec ( const ossimKeywordlist &  kwl, const char *  prefix = 0  ) const

virtual

createCodec takes a type in the keywordlist and will return a new codec to encode decode image buffers

Parameters

in	kwl. Type identifer used to allocate the proper codec.
in	prefix. prefix used to prefix keywords during the construction of the codec

Returns

ossimCodecBase type.

Implements ossimCodecFactoryInterface.

Definition at line 60 of file ossimPngCodecFactory.cpp.

References createCodec(), ossimString::empty(), ossimKeywordlist::find(), ossimObject::loadState(), and ossimKeywordNames::TYPE_KW.

{
   ossimString type = kwl.find(prefix, ossimKeywordNames::TYPE_KW);
   ossimCodecBase* result = 0;
   if(!type.empty())
   {
      result = this->createCodec(type);
      if(result)
      {
         result->loadState(kwl, prefix);
      }
   }

   return result;
}

getTypeNameList()

void ossimPngCodecFactory::getTypeNameList ( std::vector< ossimString > &  typeNames ) const

virtual

Implements ossimCodecFactoryInterface.

Definition at line 76 of file ossimPngCodecFactory.cpp.

{
   typeNames.push_back("png");
   typeNames.push_back("pnga");
   typeNames.push_back("ossimPngCodec");
}

instance()

ossimPngCodecFactory * ossimPngCodecFactory::instance ( )

static

Returns

instance

Definition at line 32 of file ossimPngCodecFactory.cpp.

References m_instance, and ossimPngCodecFactory().

Referenced by ossimSharedLibraryFinalize().

{
   if ( !m_instance )
   {
      m_instance = new ossimPngCodecFactory();
   }
   return m_instance;
}

operator=()

const ossimPngCodecFactory & ossimPngCodecFactory::operator= ( const ossimPngCodecFactory &  rhs )

private

hidden from use operator =

Definition at line 89 of file ossimPngCodecFactory.cpp.

{
   return *this;
}

Member Data Documentation

m_instance

ossimPngCodecFactory * ossimPngCodecFactory::m_instance = 0

staticprivate

The single instance of this class.

Definition at line 69 of file ossimPngCodecFactory.h.

Referenced by instance().

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

• ossimPngCodecFactory.h
• ossimPngCodecFactory.cpp