windowing/windowserver/tauto/mwsgraphicscontexttodirectgdimappings.h
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/tauto/mwsgraphicscontexttodirectgdimappings.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,81 @@
+// 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__