sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __PALETTE_H__
sl@0: #define __PALETTE_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: class TColor256Util;
sl@0: 
sl@0: 
sl@0: class DynamicPalette
sl@0: /** Hooks to allow dynamic palette switching in 256 colour mode.
sl@0: 
sl@0: TRgb::Color256() transparently invokes hooks in this class. The behaviour 
sl@0: of the system can be customized by replacing the implementation in palette.dll 
sl@0: with device-specific functionality to switch the colour palette at run-time. 
sl@0: @publishedAll
sl@0: @released
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	/** Stores the index values of the palettes defined. This enum may be as 
sl@0: 	short or as long as desired - there is no requirement that the size of the 
sl@0: 	enum in any given implementation be limited to the five sample values given 
sl@0: 	in this example implementation. */
sl@0: 	enum TIndex
sl@0: 		{
sl@0: 		/** A palette index number. */
sl@0: 		EIndex0,
sl@0: 		/** A palette index number. */
sl@0: 		EIndex1,
sl@0: 		/** A palette index number. */
sl@0: 		EIndex2,
sl@0: 		/** A palette index number. */
sl@0: 		EIndex4,
sl@0: 		/** A palette index number. */
sl@0: 		EIndex5,
sl@0: 	};
sl@0: 
sl@0: 	IMPORT_C static const TColor256Util* DefaultColor256Util();
sl@0: 	IMPORT_C static void SetColor256Util(TIndex aIndex);
sl@0: 
sl@0: 	IMPORT_C static const TUint32* Color16array();
sl@0: 	IMPORT_C static const TUint8* Color16inverse();
sl@0: 	};
sl@0: 
sl@0: #endif