uiacceltk/hitchcock/CommonInc/mwsgraphicscontexttobitgdimappings.h
changeset 0 15bf7259bb7c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/CommonInc/mwsgraphicscontexttobitgdimappings.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2008 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 MWSGRAPHICSCONTEXTTOBITGDIMAPPINGS_H
+#define MWSGRAPHICSCONTEXTTOBITGDIMAPPINGS_H
+
+#include <gdi.h>
+#include <graphics/wsgraphicscontext.h>
+
+class MWsGraphicsContextToBitGdiMappings
+	{
+public:
+	static CGraphicsContext::TFillRule Convert(MWsGraphicsContext::TFillRule aFillRule) { return (CGraphicsContext::TFillRule)aFillRule; }
+	static CGraphicsContext::TPenStyle Convert(MWsGraphicsContext::TPenStyle aPenStyle) { return (CGraphicsContext::TPenStyle)aPenStyle; }
+	static CGraphicsContext::TBrushStyle Convert(MWsGraphicsContext::TBrushStyle aBrushStyle) { return (CGraphicsContext::TBrushStyle)aBrushStyle; }
+	static CGraphicsContext::TTextAlign Convert(MWsGraphicsContext::TTextAlign aTextAlign) { return (CGraphicsContext::TTextAlign)aTextAlign; }
+	static TFontUnderline Convert(MWsGraphicsContext::TFontUnderline aFontUnderline) { return (TFontUnderline)aFontUnderline; }
+	static TFontStrikethrough Convert(MWsGraphicsContext::TFontStrikethrough aFontStrikethrough) { return (TFontStrikethrough)aFontStrikethrough; }
+	static CGraphicsContext::TDrawMode LossyConvert(MWsGraphicsContext::TDrawMode aDrawMode)
+		{
+		if(aDrawMode == MWsGraphicsContext::EDrawModePEN)
+			return CGraphicsContext::EDrawModePEN;
+		if(aDrawMode == MWsGraphicsContext::EDrawModeWriteAlpha)
+			return CGraphicsContext::EDrawModeWriteAlpha;
+		return CGraphicsContext::EDrawModePEN;
+		}
+	static TInt LossyConvertPenSize(const TSize& aSize) { return aSize.iWidth; }
+	
+	};
+
+
+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 //MWSGRAPHICSCONTEXTTOBITGDIMAPPINGS_H
+