1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 #ifndef IMAGEFRAMEBODY_H

    21 #define IMAGEFRAMEBODY_H

    22 

    23 #include <imageframe.h>

    24 

    25 /**

    26 CBody class implements the functionality declared in CImageFrame class.

    27 It can be created as a wrapper around a RChunk or a descriptor.

    28 */

    29 NONSHARABLE_CLASS( CImageFrame::CBody ): public CBase 

    30     {

    31     friend class CImageFrame;

    32     

    33 private: 

    34     static CBody* NewL(CImageFrame& aHandle, const TDes8& aBuffer, TInt aMaxBufferSize);

    35  								  

    36     static CBody* NewL(CImageFrame& aHandle, const TDes8& aBuffer, TInt aMaxBufferSize,

    37 				 	   	const TSize& aFrameSize, const TFrameFormatBase& aFrameFormat, const TFrameLayoutBase& aFrameLayout); 

    38 										  

    39 	static CBody* NewL(CImageFrame& aHandle, const RChunk* aBuffer, TInt aMaxBufferSize, TInt aDataOffset);

    40 

    41 	static CBody* NewL(CImageFrame& aHandle, const RChunk* aBuffer, TInt aMaxBufferSize,

    42 					  TInt aDataOffset,	const TSize& aFrameSize, const TFrameFormatBase& aFrameFormat,const TFrameLayoutBase& aFrameLayout); 

    43  	~CBody();

    44     

    45 	const TFrameFormatBase& FrameFormat() const;	

    46 	void SetFrameFormatL(const TFrameFormatBase& aFormat);

    47 	

    48 	const TFrameLayoutBase& FrameLayout() const;	

    49 	void SetFrameLayoutL(const TFrameLayoutBase& aFrameLayout);

    50 

    51 	const TSize& FrameSizeInPixels() const;	

    52 	void SetFrameSizeInPixels(const TSize& aFrameSize);

    53 

    54 	TDes8& Data();

    55 	

    56 	const TDesC8& Data() const;

    57 

    58 	RChunk& DataChunk();

    59 	

    60 	TInt DataOffset() const;

    61 	TInt MaxBufferSize() const;

    62 	TBool IsChunk() const;

    63 

    64     explicit CBody(CImageFrame& aHandle);

    65 	CBody(CImageFrame& aHandle, const TDes8& aBuffer);

    66 	

    67 	void StoreChunkL(const RChunk* aBuffer, TInt aMaxBufferSize, TInt aDataOffset);

    68 	void SetMaxSizeL(TInt aMaxBufferSize);	 

    69 	void StoreAddParamL(const TSize& aFrameSize, const TFrameFormatBase& aFrameFormat, const TFrameLayoutBase& aFrameLayout);  

    70 	void SetDefaultFormatL();

    71 	

    72 

    73 private:

    74 	CImageFrame& 		iHandle; 

    75 	//  Frame size in pixels        	 

    76    	TSize 				iFrameSize;

    77    	//  Image Frame specific layout		 

    78 	TFrameLayoutBase* 	iLayout; 

    79 	//  Image Frame format	  

    80 	TFrameFormatBase*	iFormat; 

    81 	//  pointer to the RChunk, represented by the CImageFrameRChunk object

    82     RChunk* 			iDataChunk;

    83     //  offset of the data from the start of the chunk

    84     TInt    			iDataOffset;

    85     //  8-bit pointer to the data.

    86     TPtr8				iBufferPtr;

    87     //  The maximum size allocated to this object by its creator

    88     TInt                iMaxBufferSize;

    89     // stores the info about the type of the present object

    90     TBool               iIsChunk;

    91     };

    92 	  

    93 #endif //IMAGEFRAMEBODY_H