/*
* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Contains the CRsImageParser class definition.
*
*/
#ifndef CRSIMAGEPARSER_H
#define CRSIMAGEPARSER_H
#include <e32base.h>
#include <f32file.h>
class CRsImageParser : public CBase
{
public:
enum TImageEncoding
{
EUnknown = 0,
ENonDiffHuffmanBaseline = 0xc0,
ENonDiffHuffmanExtendedSeq,
ENonDiffHuffmanProgressive,
ENonDiffHuffmanLossless,
EUnused1,
EDiffHuffmanSequential,
EDiffHuffmanProgressive,
EDiffHuffmanLossless,
EReserved,
ENonDiffArithExtendedSeq,
ENonDiffArithProgressive,
ENonDiffArithLossless,
EUnused2,
EDiffArithSequential,
EDiffArithProgressive,
EDiffArithLossless
};
/**
* 2-phase constructor
*
* @return new object. The object is left on the cleanup stack
*/
static CRsImageParser* NewLC();
/**
* Destructor
*/
~CRsImageParser();
/**
* JPEG image validator
*
* @param aFileName image file name
* @param aValid place holder for validity indicator
* @param aErr place holder for error code
*/
void ValidateL( const TDesC& aFileName, TBool& aValid, TInt& aErr );
private:
CRsImageParser();
void ConstructL();
TBool Validate( TInt aStartOfDataOffset, TInt aWidth, TInt aHeight, TInt aSize, TInt aEncoding, TInt aErr );
TInt ReadData( RFile& aFile, TInt aStartByte, TDes8& aData );
private:
RFs iFs;
};
#endif // CRSIMAGEPARSER_H
// End of File