1 // Copyright (c) 1999-2009 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 #ifndef __ICOCODEC_H__

    17 #define __ICOCODEC_H__

    18 

    19 #include <bitdev.h>

    20 #include <icl/imageprocessor.h>

    21 #include <icl/imagecodec.h>

    22 

    23 #include "ICOConvert.h"

    24 

    25 

    26 // Ico Read codec.

    27 class CIcoReadCodec : public CImageMaskProcessorReadCodec

    28 	{

    29 public:

    30 	// From CImageReadCodec

    31 	virtual void InitFrameL(TFrameInfo& aFrameInfo, CFrameImageData& aFrameImageData, TBool aDisableErrorDiffusion, CFbsBitmap& aDestination, CFbsBitmap* aDestinationMask);

    32 

    33 	~CIcoReadCodec();

    34 	static CIcoReadCodec* NewL(TInt aIconHeadersToProcess);

    35 

    36 private:

    37 	CIcoReadCodec(TInt aIconHeadersToProcess);

    38 

    39 protected:

    40 	// from CImageReadCodec

    41 	virtual void InitFrameHeader(TFrameInfo& aFrameSettings, CFrameImageData& aFrameImageData);

    42 	TFrameState ProcessFrameHeaderL(TBufPtr8& aData);

    43 	TFrameState ProcessFrameL(TBufPtr8& aSrc);

    44 

    45 	// New

    46 	void DoProcessL();

    47 

    48 	void WritePixels(TInt aNumPixels,TBool aUpdatePos = ETrue);

    49 protected:

    50 	TInt iImageDataBytes;

    51 	TInt iIconHeadersToProcess;

    52 	TFrameInfo* iFrameInfo;

    53 	TBool iNewFrame;

    54 	TRgb iPalette[256];

    55 	TUint8* iDataPtr;

    56 	TUint8* iDataPtrLimit;

    57 	TInt iBmpBytesExpected;

    58 	TInt iMaskBytesExpected;

    59 

    60 

    61 	};

    62 

    63 #endif // __ICOCODEC_H__

    64