// Copyright (c) 2008-2009 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 __MWSGRAPHICSCONTEXTTODIRECTGDIMAPPINGS_H__

 #define __MWSGRAPHICSCONTEXTTODIRECTGDIMAPPINGS_H__

 #include <gdi.h>

 #include <graphics/wsgraphicscontext.h>

 #include <graphics/directgditypes.h>

 class MWsGraphicsContextToDirectGdiMappings

 	{

 public:

 	static DirectGdi::TFillRule Convert(MWsGraphicsContext::TFillRule aFillRule) { return (DirectGdi::TFillRule)aFillRule; }

 	static DirectGdi::TPenStyle Convert(MWsGraphicsContext::TPenStyle aPenStyle) { return (DirectGdi::TPenStyle)aPenStyle; }

 	static DirectGdi::TBrushStyle Convert(MWsGraphicsContext::TBrushStyle aBrushStyle) { return (DirectGdi::TBrushStyle)aBrushStyle; }

 	static DirectGdi::TTextAlign Convert(MWsGraphicsContext::TTextAlign aTextAlign) { return (DirectGdi::TTextAlign)aTextAlign; }

 	static DirectGdi::TFontUnderline Convert(MWsGraphicsContext::TFontUnderline aFontUnderline) { return (DirectGdi::TFontUnderline)aFontUnderline; }

 	static DirectGdi::TFontStrikethrough Convert(MWsGraphicsContext::TFontStrikethrough aFontStrikethrough) { return (DirectGdi::TFontStrikethrough)aFontStrikethrough; }

 	static const DirectGdi::TTextParameters* Convert(const MWsGraphicsContext::TTextParameters* aParam) { return reinterpret_cast<const DirectGdi::TTextParameters*>(aParam); }

 	static DirectGdi::TDrawMode LossyConvert(MWsGraphicsContext::TDrawMode aDrawMode)

 		{return (aDrawMode==MWsGraphicsContext::EDrawModeWriteAlpha ? DirectGdi::EDrawModeWriteAlpha : DirectGdi::EDrawModePEN);}

 	};

 template<class T>

 class TArrayWrapper : public TArray<T>

 	{

 public:

 	TArrayWrapper(const T* aArray, TInt aCount);

 private:

 	static TInt Count(const CBase* aPtr);

 	static const TAny* At(const CBase* aPtr, TInt aIndex);

 private:

 	const T* iArray;

 	const TInt iCount;

 	};

 template<class T>

 TArrayWrapper<T>::TArrayWrapper(const T* aArray, TInt aCount)

 	: TArray<T>(TArrayWrapper::Count, TArrayWrapper::At, reinterpret_cast<const CBase*>(this)), iArray(aArray), iCount(aCount)

 	{

 	//reinterpret_cast above since this class doesn't derive from CBase but TArray is

 	//only silly requiring CBase as opposed to TAny, so this is safe

 	ASSERT(iArray);

 	}

 template<class T>

 TInt TArrayWrapper<T>::Count(const CBase* aPtr)

 	{

 	//reinterpret_cast since this class doesn't derive from CBase but TArray is

 	//only silly requiring CBase as opposed to TAny, so this is safe

 	const TArrayWrapper* self = reinterpret_cast<const TArrayWrapper*>(aPtr);

 	return self->iCount;

 	}

 template<class T>

 const TAny* TArrayWrapper<T>::At(const CBase* aPtr, TInt aIndex)

 	{

 	//reinterpret_cast since this class doesn't derive from CBase but TArray is

 	//only silly requiring CBase as opposed to TAny, so this is safe

 	const TArrayWrapper* self = reinterpret_cast<const TArrayWrapper*>(aPtr);

 	if(!Rng(0, aIndex, self->iCount - 1))

 		User::Panic(_L("USER"), 130); //out of bounds (RArray/RPointerArray)

 	return self->iArray + aIndex;

 	}

 #endif	//__MWSGRAPHICSCONTEXTTODIRECTGDIMAPPINGS_H__