// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef __PALETTE_H__

#define __PALETTE_H__

#include <e32base.h>

class TColor256Util;

class DynamicPalette

/** Hooks to allow dynamic palette switching in 256 colour mode.

TRgb::Color256() transparently invokes hooks in this class. The behaviour 

of the system can be customized by replacing the implementation in palette.dll 

with device-specific functionality to switch the colour palette at run-time. 

@publishedAll

@released

*/

	{

public:

	/** Stores the index values of the palettes defined. This enum may be as 

	short or as long as desired - there is no requirement that the size of the 

	enum in any given implementation be limited to the five sample values given 

	in this example implementation. */

	enum TIndex

		{

		/** A palette index number. */

		EIndex0,

		/** A palette index number. */

		EIndex1,

		/** A palette index number. */

		EIndex2,

		/** A palette index number. */

		EIndex4,

		/** A palette index number. */

		EIndex5,

	};

	IMPORT_C static const TColor256Util* DefaultColor256Util();

	IMPORT_C static void SetColor256Util(TIndex aIndex);

	IMPORT_C static const TUint32* Color16array();

	IMPORT_C static const TUint8* Color16inverse();

	};

#endif