// Copyright (c) 1997-2009 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:

//

#ifndef __EIKRUTIL_H__

#define __EIKRUTIL_H__

#include <e32std.h>

#include <gulutil.h>

class CFbsFont;

class CEikonEnv;

class CWsScreenDevice;

class TResourceReader;

/** Provides utilities for reading standard resources. 

@publishedAll 

@released */

NONSHARABLE_CLASS(EikResourceUtils)

	{

public:

	inline static CFbsFont* CreateScreenFontL(TResourceReader& aResourceReader,CWsScreenDevice& aScreenDevice);

	IMPORT_C static CFbsFont* CreateScreenFontL(TInt aResourceId,CEikonEnv* aEnv=NULL);

	inline static TInt8 ReadTInt8L(TInt aResourceId,CEikonEnv* aEnv=NULL);

	inline static TInt16 ReadTInt16L(TInt aResourceId,CEikonEnv* aEnv=NULL);

	inline static TInt32 ReadTInt32L(TInt aResourceId,CEikonEnv* aEnv=NULL);

	IMPORT_C static CColorArray* CreateColorArrayL(TInt aResourceId,CEikonEnv* aEnv=NULL);

	IMPORT_C static CColorArray* CreateColorArrayLC(TInt aResourceId,CEikonEnv* aEnv=NULL);

private:

	enum TResourceTypeInt { EResourceInt8,EResourceInt16,EResourceInt32 };

private:

	IMPORT_C static TInt32 ReadResourceIntL(TInt aResourceId, CEikonEnv* aEnv, TResourceTypeInt aSize);

	EikResourceUtils();

	};

/** Create a screen font from resource.

Creates a font for the specified screen device by reading a font UID and font 

flags from the given position in a resource. Returns a pointer to the font 

and transfers ownership.

@param aResourceReader The resource reader to use to read the font. 

@param aScreenDevice The screen device for which the font will be created. 

@return Screen font object. */

inline CFbsFont* EikResourceUtils::CreateScreenFontL(TResourceReader& aResourceReader,CWsScreenDevice& aScreenDevice)

	{	return(ResourceUtils::CreateScreenFontL(aResourceReader,aScreenDevice));	}

/** Gets the 8 bit signed integer held in a specified resource location.

@param aResourceId The location in the resource to be read. 

@param aEnv The UI environment. 

@return The eight bits that follow the specified location in the resource. */

inline TInt8 EikResourceUtils::ReadTInt8L(TInt aResourceId,CEikonEnv* aEnv)

	{	return static_cast<TInt8>(ReadResourceIntL(aResourceId,aEnv,EResourceInt8));	}

/** Gets the 16 bit signed integer held in a specified resource location.

@param aResourceId The location in the resource to be read. 

@param aEnv The UI environment. 

@return The 16 bits that follow the specified location in the resource. */

inline TInt16 EikResourceUtils::ReadTInt16L(TInt aResourceId,CEikonEnv* aEnv)

	{	return static_cast<TInt16>(ReadResourceIntL(aResourceId,aEnv,EResourceInt16));	}

/** Gets the 32 bit signed integer held in a specified resource location.

@param aResourceId The location in the resource to be read. 

@param aEnv The UI environment. 

@return The 32 bits that follow the specified location in the resource. */

inline TInt32 EikResourceUtils::ReadTInt32L(TInt aResourceId,CEikonEnv* aEnv)

	{	return static_cast<TInt32>(ReadResourceIntL(aResourceId,aEnv,EResourceInt32));	}

#endif	// __EIKRUTIL_H__