ossimCodecFactory Class Reference

Codec factory. More...

#include <ossimCodecFactory.h>

Inheritance diagram for ossimCodecFactory:

Public Member Functions
virtual	~ossimCodecFactory ()
	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 ossimCodecFactory *	instance ()

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

Static Private Attributes
static ossimCodecFactory *	theInstance = 0
	The single instance of this class. More...

Detailed Description

Codec factory.

Definition at line 25 of file ossimCodecFactory.h.

Constructor & Destructor Documentation

~ossimCodecFactory()

ossimCodecFactory::~ossimCodecFactory ( )

virtual

virtual destructor

Definition at line 28 of file ossimCodecFactory.cpp.

{}

ossimCodecFactory() [1/2]

ossimCodecFactory::ossimCodecFactory ( )

private

hidden from use default constructor

Definition at line 73 of file ossimCodecFactory.cpp.

Referenced by instance().

{}

ossimCodecFactory() [2/2]

ossimCodecFactory::ossimCodecFactory ( const ossimCodecFactory &  obj )

private

hidden from use copy constructor

Definition at line 76 of file ossimCodecFactory.cpp.

{}

Member Function Documentation

createCodec() [1/2]

ossimCodecBase * ossimCodecFactory::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 39 of file ossimCodecFactory.cpp.

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

Referenced by createCodec().

{
   ossimRefPtr<ossimCodecBase> result;

   if((type.downcase() == "jpeg") ||
      (type == "ossimJpegCodec"))
   {
      result =  new ossimJpegCodec();
   }

   return result.release();
}

createCodec() [2/2]

ossimCodecBase * ossimCodecFactory::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 52 of file ossimCodecFactory.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 ossimCodecFactory::getTypeNameList ( std::vector< ossimString > &  typeNames ) const

virtual

Implements ossimCodecFactoryInterface.

Definition at line 68 of file ossimCodecFactory.cpp.

{
   typeNames.push_back("jpeg");
}

instance()

ossimCodecFactory * ossimCodecFactory::instance ( )

static

Returns

instance

Definition at line 31 of file ossimCodecFactory.cpp.

References ossimCodecFactory(), and theInstance.

Referenced by ossimCodecFactoryRegistry::instance().

{
   if ( !theInstance )
   {
      theInstance = new ossimCodecFactory();
   }
   return theInstance;
}

operator=()

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

private

hidden from use operator =

Definition at line 79 of file ossimCodecFactory.cpp.

{
   return *this;
}

Member Data Documentation

theInstance

ossimCodecFactory * ossimCodecFactory::theInstance = 0

staticprivate

The single instance of this class.

Definition at line 70 of file ossimCodecFactory.h.

Referenced by instance().

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

• ossimCodecFactory.h
• ossimCodecFactory.cpp