sl@0: // Copyright (c) 2008-2009 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 BITGDITOMWSGRAPHICSCONTEXTMAPPINGS_H_
sl@0: #define BITGDITOMWSGRAPHICSCONTEXTMAPPINGS_H_
sl@0: 
sl@0: #include <gdi.h>
sl@0: #include <graphics/wsgraphicscontext.h>
sl@0: 
sl@0: class BitGdiToMWsGraphicsContextMappings
sl@0: 	{
sl@0: public:
sl@0: 	static MWsGraphicsContext::TFillRule Convert(CGraphicsContext::TFillRule aFillRule) { return (MWsGraphicsContext::TFillRule)aFillRule; }
sl@0: 	static MWsGraphicsContext::TPenStyle Convert(CGraphicsContext::TPenStyle aPenStyle) { return (MWsGraphicsContext::TPenStyle)aPenStyle; }
sl@0: 	static MWsGraphicsContext::TBrushStyle Convert(CGraphicsContext::TBrushStyle aBrushStyle) { return (MWsGraphicsContext::TBrushStyle)aBrushStyle; }
sl@0: 	static MWsGraphicsContext::TTextAlign Convert(CGraphicsContext::TTextAlign aTextAlign) { return (MWsGraphicsContext::TTextAlign)aTextAlign; }
sl@0: 	static MWsGraphicsContext::TFontUnderline Convert(TFontUnderline aFontUnderline) { return (MWsGraphicsContext::TFontUnderline)aFontUnderline; }
sl@0: 	static MWsGraphicsContext::TFontStrikethrough Convert(TFontStrikethrough aFontStrikethrough) { return (MWsGraphicsContext::TFontStrikethrough)aFontStrikethrough; }
sl@0: 	static const MWsGraphicsContext::TTextParameters* Convert(CGraphicsContext::TTextParameters* aParam) { return reinterpret_cast<MWsGraphicsContext::TTextParameters*>(aParam); }
sl@0: 	static MWsGraphicsContext::TDrawMode LossyConvert(CGraphicsContext::TDrawMode aDrawMode)
sl@0: 		{
sl@0: 		if(aDrawMode == CGraphicsContext::EDrawModePEN)
sl@0: 			return MWsGraphicsContext::EDrawModePEN;
sl@0: 		if(aDrawMode == CGraphicsContext::EDrawModeWriteAlpha)
sl@0: 			return MWsGraphicsContext::EDrawModeWriteAlpha;
sl@0: 		return MWsGraphicsContext::EDrawModePEN;
sl@0: 		}
sl@0: 	};
sl@0: 
sl@0: 
sl@0: template<class T>
sl@0: class TArrayWrapper : public TArray<T>
sl@0: 	{
sl@0: public:
sl@0: 	TArrayWrapper(const T* aArray, TInt aCount);
sl@0: private:
sl@0: 	static TInt Count(const CBase* aPtr);
sl@0: 	static const TAny* At(const CBase* aPtr, TInt aIndex);
sl@0: private:
sl@0: 	const T* iArray;
sl@0: 	const TInt iCount;
sl@0: 	};
sl@0: 
sl@0: template<class T>
sl@0: TArrayWrapper<T>::TArrayWrapper(const T* aArray, TInt aCount)
sl@0: 	: TArray<T>(TArrayWrapper::Count, TArrayWrapper::At, reinterpret_cast<const CBase*>(this)), iArray(aArray), iCount(aCount)
sl@0: 	{
sl@0: 	//reinterpret_cast above since this class doesn't derive from CBase but TArray is
sl@0: 	//only silly requiring CBase as opposed to TAny, so this is safe
sl@0: 	ASSERT(iArray);
sl@0: 	}
sl@0: 
sl@0: template<class T>
sl@0: TInt TArrayWrapper<T>::Count(const CBase* aPtr)
sl@0: 	{
sl@0: 	//reinterpret_cast since this class doesn't derive from CBase but TArray is
sl@0: 	//only silly requiring CBase as opposed to TAny, so this is safe
sl@0: 	const TArrayWrapper* self = reinterpret_cast<const TArrayWrapper*>(aPtr);
sl@0: 	return self->iCount;
sl@0: 	}
sl@0: 
sl@0: template<class T>
sl@0: const TAny* TArrayWrapper<T>::At(const CBase* aPtr, TInt aIndex)
sl@0: 	{
sl@0: 	//reinterpret_cast since this class doesn't derive from CBase but TArray is
sl@0: 	//only silly requiring CBase as opposed to TAny, so this is safe
sl@0: 	const TArrayWrapper* self = reinterpret_cast<const TArrayWrapper*>(aPtr);
sl@0: 	if(!Rng(0, aIndex, self->iCount - 1))
sl@0: 		User::Panic(_L("USER"), 130); //out of bounds (RArray/RPointerArray)
sl@0: 	return self->iArray + aIndex;
sl@0: 	}
sl@0: 
sl@0: #endif //BITGDITOMWSGRAPHICSCONTEXTMAPPINGS_H
sl@0: