/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description:  

*

*/

//----IMAAMI----

//*************************************************************************

//DCColorManagement.h

//

//Version 1.00

//

//Contains:

//	CDCCDM 

//		Simple color management approach consisting

//		of 3xLUT + 3x3 Matrix + 3xLUT for compensating

//		display specific features.

//	

//History:

//	19.08.2003 version 1.00 created using existing IMAAMI algorithms	

//*************************************************************************

#ifndef __DCColorManagement_H

#define __DCColorManagement_H

#include <e32std.h> // for Fundamental Types

#include <e32base.h> // for Fundamental Types

#include <e32math.h> //for the calculation of exponents

//Class definition

class CDCColorManagement : public CBase

{

public:

	//Parameter struct definition

	struct DCColorManagementParams

	{

		//Gamma de-correction (linearization) LUTs

		//Pointers to actual data

		TInt *GammaR;

		TInt *GammaG;

		TInt *GammaB;

		//3x3 color space modification matrix

		//Pointer to actual data

		TInt *Matrix;

		//Tone rendering curves = display compensation LUTs

		//Pointers to actual data

		TInt *TRCR;

		TInt *TRCG;

		TInt *TRCB;

	};

	//Gamma de-correction (linearization) LUTs

	TInt iGammaR[256];

	TInt iGammaG[256];

	TInt iGammaB[256];

	//3x3 color space modification matrix

	TInt iMatrix[9];

	//Tone rendering curves = display compensation LUTs

	TInt iTRCR[256];

	TInt iTRCG[256];

	TInt iTRCB[256];

	//Standard class member functions

	CDCColorManagement();

	static CDCColorManagement* NewL();

	static CDCColorManagement* NewLC();

	~CDCColorManagement();

	void ConstructL();

	//Process original image and store result

	void ProcessL(CFbsBitmap* aBPtr);

	//Set processing parameters

	void SetParameters(DCColorManagementParams* params);

	//Get current processing parameters

	void GetParameters(DCColorManagementParams* params);

	//Limit integer value to byte [0,255]

	static inline TUint8 Limit255(TInt i) {return (TUint8)(i<0?0:(i>255?255:i));}

private:

	// Line Buffer and pointer

	HBufC8*	iScanLine;

	//Processing parameters

	DCColorManagementParams iParams;

};

#endif // ifndef __DCColorManagement_H

//----IMAAMI----