TFrameFormatBase Class Reference

#include <imageframe.h>

class TFrameFormatBase

Public Member Functions
pure virtual TFrameFormatBase *	DuplicateL()
IMPORT_C TUid	Type()

Protected Member Functions
	TFrameFormatBase(TUid)

Detailed Description

The base class for TFrameFormat. Users implement specific frame formats by deriving from this class. Symbian provides a particular implementation in the TFrameFormat class. Each class derived from this class should be identified by a unique UID value, denoting its type. All subclasses should provide implementations of DuplicateL().

Constructor & Destructor Documentation

TFrameFormatBase ( TUid )

IMPORT_C

TFrameFormatBase

(

TUid

aType

)

[protected, explicit]

Constructor for the TFrameFormatBase class.

Parameters
aType	The UID used to identify a specific format class. It is used as a runtime identification of the particular subclass.

Member Function Documentation

DuplicateL ( )

TFrameFormatBase *

DuplicateL

(

)

const [pure virtual]

Creates a duplicate instance of the frame format object on the heap.

Return Value: The pointer to the newly created object cast as class TFrameFormatBase.

Type ( )

IMPORT_C TUid

Type

(

)

const

The type of the TFrameFormatBase subclass.

Return Value: The UID used to identify a specific subclass.