Symaptic: os/graphics/windowing/windowserver/nga/SERVER/bitgditomwsgraphicscontextmappings.h@260cb5ec6c19

     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #ifndef BITGDITOMWSGRAPHICSCONTEXTMAPPINGS_H_

    17 #define BITGDITOMWSGRAPHICSCONTEXTMAPPINGS_H_

    19 #include <gdi.h>

    20 #include <graphics/wsgraphicscontext.h>

    22 class BitGdiToMWsGraphicsContextMappings

    23 	{

    24 public:

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

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

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

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

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

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

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

    32 	static MWsGraphicsContext::TDrawMode LossyConvert(CGraphicsContext::TDrawMode aDrawMode)

    33 		{

    34 		if(aDrawMode == CGraphicsContext::EDrawModePEN)

    35 			return MWsGraphicsContext::EDrawModePEN;

    36 		if(aDrawMode == CGraphicsContext::EDrawModeWriteAlpha)

    37 			return MWsGraphicsContext::EDrawModeWriteAlpha;

    38 		return MWsGraphicsContext::EDrawModePEN;

    39 		}

    40 	};

    43 template<class T>

    44 class TArrayWrapper : public TArray<T>

    45 	{

    46 public:

    47 	TArrayWrapper(const T* aArray, TInt aCount);

    48 private:

    49 	static TInt Count(const CBase* aPtr);

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

    51 private:

    52 	const T* iArray;

    53 	const TInt iCount;

    54 	};

    56 template<class T>

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

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

    59 	{

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

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

    62 	ASSERT(iArray);

    63 	}

    65 template<class T>

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

    67 	{

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

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

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

    71 	return self->iCount;

    72 	}

    74 template<class T>

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

    76 	{

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

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

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

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

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

    82 	return self->iArray + aIndex;

    83 	}

    85 #endif //BITGDITOMWSGRAPHICSCONTEXTMAPPINGS_H

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--