diff -r 000000000000 -r 5d03bc08d59c graphicsdeviceinterface/screendriver/inc/BMDRAW.H
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/screendriver/inc/BMDRAW.H	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,1467 @@
+// Copyright (c) 1997-2009 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 __BMDRAW_H__
+#define __BMDRAW_H__
+
+#include <gdi.h>
+#include <bitdraw.h>
+#include "BitDrawScaling.h"
+#include "BitDrawOrigin.h"
+#include "BmAlphaBlend.h"
+#include "BitDrawOrientation.h"
+
+#ifdef __ARMCC__
+	#define FORCEINLINE __forceinline
+#else
+	#define FORCEINLINE inline
+#endif
+
+/**
+Outline colour index used to get percentage of outline colour to be used to get 
+the final colour from lookup table
+@internalComponent
+*/
+const TInt KOutlineColorIndex = 0;
+
+/**
+Shadow colour index used to get percentage of shadow colour to be used to get 
+the final colour from lookup table
+@internalComponent
+*/
+const TInt KShadowColorIndex = 1;
+
+/**
+Fill colour index used to get percentage of fill colour to be used to get 
+the final colour from lookup table
+@internalComponent
+*/
+const TInt KFillColorIndex = 2;
+
+/**
+Background colour index used to get percentage of background colour to be used to get 
+the final colour from lookup table
+@internalComponent
+*/
+const TInt KBackgroundColorIndex = 3;
+
+/**
+Lookup table used for outline and shadow fonts.
+@internalComponent
+*/
+GLREF_D const TInt FourColorBlendLookup[256][4];
+
+TRgb AlphaBlend(TRgb aPrimary, TRgb aSecondary, TInt aAlphaValue);
+
+ //Scaling settings. MScalingSettings interface operates with them.
+struct TScalingSettings
+	{
+	inline TScalingSettings() :
+		iFactorX(1),
+		iFactorY(1),
+		iDivisorX(1),
+		iDivisorY(1)
+		{
+		}
+	TInt iFactorX;
+	TInt iFactorY;
+	TInt iDivisorX;
+	TInt iDivisorY;
+	};
+
+ // Drawing device origin. MDrawDeviceOrigin interface operates with it.
+typedef TPoint TOrigin;
+
+//This class is used as a template argument by CDrawEightBppBitmapCommon::SetPixels()
+//and CDrawSixteenBppBitmapCommon::SetPixels()
+//Each of its methods (EvalInc() and EvalDec()) has two arguments -
+//aAddr and aValue, and it is used to set *aAddr with aValue and to increment/decrement
+//respectively aAddr.
+template <class TPixelType> class TPixelSet
+	{
+public:
+	inline void EvalInc(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr++ = aValue;
+		}
+	inline void EvalDec(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr-- = aValue;
+		}
+	};
+
+//This class is used as a template argument by CDrawEightBppBitmapCommon::XORPixels().
+//and CDrawSixteenBppBitmapCommon::XORPixels()
+//Each of its methods (EvalInc() and EvalDec()) has two arguments -
+//aAddr and aValue, and it is used to XOR *aAddr with aValue and to increment/decrement
+//respectively aAddr.
+template <class TPixelType> class TPixelXor
+	{
+public:
+	inline void EvalInc(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr++ ^= aValue;
+		}
+	inline void EvalDec(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr-- ^= aValue;
+		}
+	};
+
+//This class is used as a template argument by CDrawEightBppBitmapCommon::ANDPixels().
+//and CDrawSixteenBppBitmapCommon::ANDPixels()
+//Each of its methods (EvalInc() and EvalDec()) has two arguments -
+//aAddr and aValue, and it is used to AND *aAddr with aValue and to increment/decrement
+//respectively aAddr.
+template <class TPixelType> class TPixelAnd
+	{
+public:
+	inline void EvalInc(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr++ &= aValue;
+		}
+	inline void EvalDec(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr-- &= aValue;
+		}
+	};
+
+//This class is used as a template argument by CDrawEightBppBitmapCommon::ORPixels().
+//and CDrawSixteenBppBitmapCommon::ORPixels()
+//Each of its methods (EvalInc() and EvalDec()) has two arguments -
+//aAddr and aValue, and it is used to OR *aAddr with aValue and to increment/decrement
+//respectively aAddr.
+template <class TPixelType> class TPixelOr
+	{
+public:
+	inline void EvalInc(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr++ |= aValue;
+		}
+	inline void EvalDec(TPixelType*& aAddr, TPixelType aValue) const
+		{
+		*aAddr-- |= aValue;
+		}
+	};
+
+//This template function should be used every time when a rectangle has to be drawn instead of
+//a single pixel in EColor256/EColor64K scaled device.
+//aPixelPtr - points to the pixel memory address, which contains top-left corner of the rectangle.
+//aValue - the pixel value - EColor256.
+//aPixelPtrRowLimit - the right end address of the scalline.
+//aBitsStart - beginning address of the pixel memory.
+//aBitsEnd - end address of the pixel memory.
+//aLongWidth - aligned scanline width in pixels.
+//aFx - X-axis scaling factor.
+//aFy - Y-axis scaling factor.
+//aOrientation - device's orientation.
+//aOp - the operation, which must be applied to every pixel from the rectangle - template parameter.
+template <class TPixelOp, class TPixelType>
+inline void FillScaledRect(TPixelType* aPixelPtr,
+						   const TPixelType aValue,
+						   const TPixelType* aPixelPtrRowLimit,
+						   const TPixelType* aBitsStart,
+						   const TPixelType* aBitsEnd,
+						   const TInt aLongWidth,
+						   TInt aFx,
+						   TInt aFy,
+						   const CFbsDrawDevice::TOrientation aOrientation,
+						   const TPixelOp& aOp)
+	{
+	if(aOrientation == CFbsDrawDevice::EOrientationNormal)
+		{
+		//for example: if aFx = 3 and aFy = 2 then
+		//the following pixel values have to be evaluated:
+		// (aPixelPtr), (aPixelPtr + 1),  (aPixelPtr + 2)
+		// (aPixelPtr + aLongWidth), (aPixelPtr + 1 + aLongWidth), (aPixelPtr + 2 + aLongWidth)
+		const TPixelType* nextStop = aPixelPtr + aFx;//the address of next scaled pixel value
+		if(nextStop > aPixelPtrRowLimit)
+			{//If the address is after the end of the current row, set it to the end of row.
+			nextStop = aPixelPtrRowLimit;
+			}
+		do  //Fill pixel rectangle [aFx,aFy]
+			{
+			while(aPixelPtr < nextStop)
+				{//Fill a row of up to aFx pixels.
+				aOp.EvalInc(aPixelPtr, aValue);
+				}
+			aPixelPtr += (aLongWidth - aFx);//Move aPixelPtr to the next row
+			if(aPixelPtr >= aBitsEnd)
+				{//If aPixelPtr points after the end of video memory - stop the operation!
+				break;
+				}
+			nextStop += aLongWidth;//Move nextPixelAddr to the next row
+			}
+		while(--aFy);
+		return;
+		}
+	if(aOrientation == CFbsDrawDevice::EOrientationRotated90)
+		{
+		//for example: if aFy = 3 and aFx = 2 then
+		//the following pixel values have to be evaluated:
+		// (aPixelPtr), (aPixelPtr - 1),
+		// (aPixelPtr + aLongWidth), (aPixelPtr - 1 + aLongWidth),
+		// (aPixelPtr + 2 * aLongWidth), (aPixelPtr - 1 + 2 * aLongWidth),
+		const TPixelType* pixelPtrPrevRowLimit = aPixelPtrRowLimit - aLongWidth;
+		const TPixelType* nextStop = aPixelPtr - aFx;//the address of next scaled pixel value
+		if(nextStop < pixelPtrPrevRowLimit)
+			{//If the address is before the beginning of the current row, set it to the beginning of row.
+			nextStop = pixelPtrPrevRowLimit;
+			}
+		do  //Fill pixel rectangle [aFx,aFy]
+			{
+			while(aPixelPtr > nextStop)
+				{//Fill a row of up to aFy pixels.
+				aOp.EvalDec(aPixelPtr, aValue);
+				}
+			aPixelPtr += (aLongWidth + aFx);//Move aPixelPtr to the next row
+			if(aPixelPtr >= aBitsEnd)
+				{//If aPixelPtr points after the end of video memory - stop the operation!
+				break;
+				}
+			nextStop += aLongWidth;//Move nextPixelAddr to the next row
+			}
+		while(--aFy);
+		return;
+		}
+	if(aOrientation == CFbsDrawDevice::EOrientationRotated180)
+		{
+		//for example: if aFx = 3 and aFy = 2 then
+		//the following pixel values have to be evaluated:
+		// (aPixelPtr), (aPixelPtr - 1),  (aPixelPtr - 2)
+		// (aPixelPtr - aLongWidth), (aPixelPtr + 1 - aLongWidth), (aPixelPtr + 2 - aLongWidth)
+		const TPixelType* pixelPtrPrevRowLimit = aPixelPtrRowLimit - aLongWidth;
+		const TPixelType* nextStop = aPixelPtr - aFx;//the address of next scaled pixel value
+		if(nextStop < pixelPtrPrevRowLimit)
+			{//If the address is before the beginning of the current row, set it to the beginning of row.
+			nextStop = pixelPtrPrevRowLimit;
+			}
+		do  //Fill pixel rectangle [aFx,aFy]
+			{
+			while(aPixelPtr > nextStop)
+				{//Fill a row of up to aFx pixels.
+				aOp.EvalDec(aPixelPtr, aValue);
+				}
+			aPixelPtr -= (aLongWidth - aFx);//Move aPixelPtr to the prev row
+			if(aPixelPtr < aBitsStart)
+				{//If aPixelPtr points before the beginning of video memory - stop the operation!
+				break;
+				}
+			nextStop -= aLongWidth;//Move nextPixelAddr to the prev row
+			}
+		while(--aFy);
+		return;
+		}
+	else //if(aOrientation == CFbsDrawDevice::EOrientationRotated270)
+		{
+		//for example: if aFy = 3 and aFx = 2 then
+		//the following pixel values have to be evaluated:
+		// (aPixelPtr), (aPixelPtr + 1)
+		// (aPixelPtr - aLongWidth), (aPixelPtr + 1 - aLongWidth)
+		// (aPixelPtr - 2 * aLongWidth), (aPixelPtr + 1 - 2 * aLongWidth)
+		const TPixelType* nextStop = aPixelPtr + aFx;//the address of next scaled pixel value
+		if(nextStop > aPixelPtrRowLimit)
+			{//If the address is after the end of the current row, set it to the end of row.
+			nextStop = aPixelPtrRowLimit;
+			}
+		do  //Fill pixel rectangle [aFx,aFy]
+			{
+			while(aPixelPtr < nextStop)
+				{//Fill a row of up to aFy pixels.
+				aOp.EvalInc(aPixelPtr, aValue);
+				}
+			aPixelPtr += (-aLongWidth - aFx);//Move aPixelPtr to the prev row
+			if(aPixelPtr < aBitsStart)
+				{//If aPixelPtr points befor the beginning of video memory - stop the operation!
+				break;
+				}
+			nextStop -= aLongWidth;//Move nextPixelAddr to the prev row
+			}
+		while(--aFy);
+		return;
+		}
+	}
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawBitmap) : public CFbsDrawDevice,
+                                 public MScalingSettings,
+                                 public MDrawDeviceOrigin,
+                                 public MAlphaBlend,
+                                 public MOutlineAndShadowBlend,
+                                 public MDrawDeviceOrientation,
+								 public MFastBlend
+	{
+public:
+	virtual ~CDrawBitmap();
+	// From CFbsDrawDevice
+	virtual TDisplayMode DisplayMode() const { return iDispMode; }
+	virtual TInt LongWidth() const;
+	virtual void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs,TBool aMapForwards);
+	virtual TRgb ReadPixel(TInt aX,TInt aY) const;
+	virtual void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer,TDisplayMode aDispMode) const;
+	virtual TUint32* ScanLineBuffer() const;
+	virtual TInt ScanLineBytes() const;
+	virtual TDisplayMode ScanLineDisplayMode() const { return iDispMode; }
+	virtual TSize SizeInPixels() const;
+	virtual TInt HorzTwipsPerThousandPixels() const { return 0; }
+	virtual TInt VertTwipsPerThousandPixels() const { return 0; }
+	virtual void OrientationsAvailable(TBool aOrientation[4]);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLine(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode,TBool aUp);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer ,CGraphicsContext::TDrawMode);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor,CGraphicsContext::TDrawMode);
+	virtual void SetBits(TAny* aBits);
+	virtual void SetDitherOrigin(const TPoint& aPoint);
+	virtual void SetShadowMode(TShadowMode aShadowMode) { iShadowMode = aShadowMode; }
+	virtual void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);
+	virtual void SetUserDisplayMode(TDisplayMode aDisplayMode) { iUserDispMode = aDisplayMode; }
+	virtual TBool SetOrientation(TOrientation aOrientation);
+	virtual void WriteRgbAlphaLine(TInt aX,TInt aY,TInt aLength,
+                                   TUint8* aRgbBuffer, TUint8* aMaskBuffer,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteRgbAlphaLine(TInt aX,TInt aY,TInt aLength,
+								const TUint8* aRgbBuffer1,
+								const TUint8* aBuffer2,
+								const TUint8* aMaskBuffer,
+								CGraphicsContext::TDrawMode aDrawMode);
+	virtual TInt GetInterface(TInt aInterfaceId, TAny*& aInterface);
+	virtual void GetDrawRect(TRect& aDrawRect) const;
+	virtual void SwapWidthAndHeight();
+	// From MScalingSettings
+	virtual TInt Set(TInt aFactorX, TInt aFactorY, TInt aDivisorX, TInt aDivisorY);
+	virtual void Get(TInt& aFactorX, TInt& aFactorY, TInt& aDivisorX, TInt& aDivisorY);
+	virtual TBool IsScalingOff();
+	// From MDrawDeviceOrigin
+	virtual TInt Set(const TPoint& aOrigin);
+	virtual void Get(TPoint& aOrigin);
+	// From MDrawDeviceOrientation
+	virtual CFbsDrawDevice::TOrientation Orientation();	
+	// From MFastBlend
+	virtual TInt FastBlendBitmap(const TPoint& aDest,CFbsDrawDevice* aSrcDrawDevice, const TRect& aSrcRect, CGraphicsContext::TDrawMode aDrawMode, TInt aShadowMode);
+	virtual TInt FastBlendBitmap(const TPoint& aDest,const TUint32* aSrcBase, TInt aSrcStride, const TSize& aSrcSize, const TRect& aSrcRect, TDisplayMode aDisplayMode, CGraphicsContext::TDrawMode aDrawMode, TInt aShadowMode);
+	virtual TInt FastBlendBitmapMasked(const TPoint& aDest, const TUint32* aSrcBase, TInt aSrcStride,
+							const TSize& aSrcSize, const TRect& aSrcRect, TDisplayMode aSrcDisplayMode,
+							const TUint32* aMaskBase, TInt aMaskStride, TDisplayMode aMaskDisplayMode, const TSize &aMaskSize,const TPoint &aMaskSrcPos,TBool aInvertMask,
+							CGraphicsContext::TDrawMode aDrawMode, TInt aShadowMode);
+	virtual TInt FastBlendBitmapScaled(const TRect &aClipRect, const TRect& aDest, const TRect& aSrcRect, const TUint32 *aSrcBase, TInt aSrcLinePitch, TDisplayMode aSrcDisplayMode, const TSize &aSrcSize, CGraphicsContext::TDrawMode aDrawMode, TInt aShadowMode);
+	virtual TInt FastBlendBitmapMaskedScaled(const TRect &aClipRect, const TRect& aDest,
+							const TRect& aSrcRect, const TUint32 *aSrcBase, TInt aSrcLinePitch,
+							TDisplayMode aSrcDisplayMode, const TSize &aSrcSize,
+							const TUint32* aMaskBase, TInt aMaskStride, TDisplayMode aMaskDisplayMode, const TSize &aMaskSize,TBool aInvertMask,
+							CGraphicsContext::TDrawMode aDrawMode, TInt aShadowMode);
+protected:
+	CDrawBitmap();
+	static TInt BitsPerPixel(TDisplayMode aDispMode);
+	void Clear();
+	void CopyOldSettings(CFbsDrawDevice* aDrawDevice);
+	void DeOrientate(TInt& aX,TInt& aY) const;
+	TPoint DeOrientate(const TPoint& aPoint) const;
+	TRect DeOrientate(const TRect& aRect) const;
+	virtual void Shadow(TRgb& aColor) = 0;
+	TRgb FadeRgb(TRgb aColor);
+	TUint32 FadeRgb(TUint32 aColor);
+	void FadeRgb(TInt& aRed, TInt& aGreen, TInt& aBlue);
+	TUint8 FadeGray(TInt aGray256);
+	TUint32 Hash(TUint32 aValue,TInt aX,TInt aY) const;
+	TUint32 PasteInt(TUint32 aFirst,TUint32 aSecond,TInt aOffset) const;
+	static TAny* CopyOffset(TAny* aDestination,const TAny* aSource,TInt aWordsToCopy,TInt aSourceBitOffset);
+	static void ReadLineCommon(TUint32* aPixelPtr,TUint32* aBufferPtr,TInt aWordsCnt,TInt aRestPixels,TInt aBytesCnt,TInt aStartDiffBits);
+	virtual void SetSize(const TSize& aSize);
+	// Scaling related
+	TBool CanBeScaled() const;
+	TInt PixelAddressIncrement() const;
+	TInt LogicalPixelAddressIncrement() const;
+	void SetPixelInc(TInt& aPixelInc, TInt& aRowInc) const;
+	void IncScaledY(TInt& aY) const;
+	void IncScaledY(TInt& aY, TInt aYOrg) const;
+	//Generic set pixels operations, has to be defined here to make it compiled in VC++6.0
+	template <class TPixelType>
+	void SetPixels(TPixelType* aPixelPtr, TPixelType aValue, const TPixelType* aPixelPtrRowLimit,
+				   const TPixelType* aBitsStart, const TPixelType* aBitsEnd) const
+		{
+		TPixelSet<TPixelType> op;
+		::FillScaledRect(aPixelPtr, aValue, aPixelPtrRowLimit, aBitsStart, aBitsEnd, iLongWidth,
+						 iScalingSettings.iFactorX, iScalingSettings.iFactorY, iOrientation, op);
+		}
+	template <class TPixelType>
+	void XORPixels(TPixelType* aPixelPtr, TPixelType aValue, const TPixelType* aPixelPtrRowLimit,
+				   const TPixelType* aBitsStart, const TPixelType* aBitsEnd) const
+		{
+		TPixelXor<TPixelType> op;
+		::FillScaledRect(aPixelPtr, aValue, aPixelPtrRowLimit, aBitsStart, aBitsEnd, iLongWidth,
+						 iScalingSettings.iFactorX, iScalingSettings.iFactorY, iOrientation, op);
+		}
+	template <class TPixelType>
+	void ANDPixels(TPixelType* aPixelPtr, TPixelType aValue, const TPixelType* aPixelPtrRowLimit,
+				   const TPixelType* aBitsStart, const TPixelType* aBitsEnd) const
+		{
+		TPixelAnd<TPixelType> op;
+		::FillScaledRect(aPixelPtr, aValue, aPixelPtrRowLimit, aBitsStart, aBitsEnd, iLongWidth,
+						 iScalingSettings.iFactorX, iScalingSettings.iFactorY, iOrientation, op);
+		}
+	template <class TPixelType>
+	void ORPixels(TPixelType* aPixelPtr, TPixelType aValue, const TPixelType* aPixelPtrRowLimit,
+				  const TPixelType* aBitsStart, const TPixelType* aBitsEnd) const
+		{
+		TPixelOr<TPixelType> op;
+		::FillScaledRect(aPixelPtr, aValue, aPixelPtrRowLimit, aBitsStart, aBitsEnd, iLongWidth,
+						 iScalingSettings.iFactorX, iScalingSettings.iFactorY, iOrientation, op);
+		}
+	//Origin related
+	TBool CanOriginBeMoved() const;
+	void MapColorToUserDisplayMode(TInt& red,TInt& green,TInt& blue);
+protected:
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer) = 0;
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const = 0;
+	virtual void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const = 0;
+	virtual TUint32* ScanLine(TInt aY) const;
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor) = 0;
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor) = 0;
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor) = 0;
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) = 0;
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) = 0;
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) = 0;
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor) = 0;
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor) = 0;
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode) = 0;
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp) = 0;
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor) = 0;
+	virtual void BlendRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) = 0;
+	virtual void BlendLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& /*aColor*/) {}
+	virtual void MapBufferToUserDisplayMode(TInt /*aLength*/,TUint32* /*aBuffer*/) {}
+private:
+	void GetBlendPosAndRect(TRect &aSrcRect, const TRect &aSrcRectIn, const TSize &aSrcSize, const TPoint &aDestOffset);
+	void GetBlendPosAndRect(TRect &aDstRect, TRect &aSrcRect, const TRect &aDestRectIn, const TRect &aSrcRectIn, const TSize &aSrcSize);
+	TBool FastBlendSupported(TDisplayMode aSrcDisplayMode, CGraphicsContext::TDrawMode aDrawMode, TInt aShadowMode, TInt aSrcLinePitch);
+	TBool FastBlendMaskSupported(TDisplayMode aMaskDisplayMode, TInt aMaskStride);
+	void DoCopyOldSettings(CFbsDrawDevice* aDrawDevice);
+	TInt DoFastBlendBitmap(const TPoint &aDest, const TRect& aSrcRect, const TUint8 *aSrcBase, TInt aSrcLinePitch, TDisplayMode aSrcDisplayMode, const TSize &aSrcSize);
+	// Scaling related
+	void InitLogicalCoordinates();
+	void PreWriteRgb(TInt& aWidth, TInt& aHeight, TInt& aX, TInt& aY, CGraphicsContext::TDrawMode aDrawMode);
+	void WriteRgb(TInt& aWidth, TInt& aHeight, TInt& aX, TInt& aY, TRgb aColor, CGraphicsContext::TDrawMode aDrawMode);
+	void SetDefaults();
+	inline TInt Origin(TInt aPhysOrg, TInt aScale) const;
+	inline TInt OtherSide(TInt aPhysOrg, TInt aPhysSize, TInt aScale) const;
+protected:
+	TDisplayMode iDispMode;
+	TInt iLongWidth; // aligned scanline width in pixels
+	TPoint iDitherOrigin;
+	TUint32* iScanLineBuffer;
+	TInt iScanLineWords;
+	TShadowMode iShadowMode;
+	TSize iSize; // (0, 0, iSize.iWidth, iSize.iHeight) - drawing rectangle - physical coordinates
+	TUint32* iBits;
+	TDisplayMode iUserDispMode;
+	TOrientation iOrientation; // 0, 90, 180, 270 degrees
+	TInt iFadeMapFactor;
+	TInt iFadeMapOffset;
+	TScalingSettings iScalingSettings; // X-axis and Y-axis scaling factors
+	TOrigin iOrigin; // drawing device origin
+	TBool iScalingOff; // ETrue, if the scaling is off.
+	TBool iOriginIsZero; // ETrue, if the origin is (0, 0).
+	TRect iDrawRect; // drawing rectangle - logical coordinates
+    MAlphaBlend* iAlphaBlend; // Alphablending interface
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawOneBppBitmap) : public CDrawBitmap
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+protected:
+	virtual void SetSize(const TSize& aSize);
+	virtual void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	virtual void Shadow(TRgb& aColor);
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+private:
+	TUint32 ColorWord(TRgb aColor) const;
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawTwoBppBitmap) : public CDrawBitmap
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	TUint32 ColorInt(TRgb aColor) const;
+	void HashInt(TUint32& aInt1,TUint32& aInt2,TRgb aColor,TInt aX,TInt aY) const;
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs,TBool aMapForwards);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+protected:
+	virtual void SetSize(const TSize& aSize);
+	TUint32 MapInt(TUint32 aInt,TUint32* aColorMap) const;
+	virtual void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	virtual void Shadow(TRgb& aColor);
+	TUint32 ShadowWord(TUint32 aWord);
+	TUint32 FadeWord(TUint32 aWord);
+	void ShadeBuffer(TInt aLength,TUint32* aBuffer);
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawFourBppBitmapGray) : public CDrawBitmap
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	TUint32 ColorInt(TRgb aColor) const;
+	TUint32 HashInt(TRgb aColor,TInt aX,TInt aY) const;
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+protected:
+	virtual void SetSize(const TSize& aSize);
+	void DitherBuffer(TInt x,TInt y,TInt aLength,TUint32* aBuffer);
+	virtual void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	virtual void Shadow(TRgb& aColor);
+	TUint8 ShadowAndFadeGray16(TInt aGray16);
+	TUint32 FadeWord(TUint32 aWord);
+	void ShadeBuffer(TInt aLength,TUint32* aBuffer);
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+	TRgb BlendFourColors(TUint32 aOutlinePenColor, TUint32 aShadowColor, TUint32 aFillColor,
+						TInt aRedOutlinePenColor,TInt aRedShadowColor,TInt aRedFillColor,
+						TInt aGreenOutlinePenColor, TInt aGreenShadowColor, TInt aGreenFillColor,
+						TInt aBlueOutlinePenColor, TInt aBlueShadowColor, TInt aBlueFillColor,
+						TRgb aBackgroundColor, TUint8 aIndex) const;
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawFourBppBitmapColor) : public CDrawBitmap
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	TUint32 ColorInt(TRgb aColor) const;
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+protected:
+	virtual void SetSize(const TSize& aSize);
+	virtual void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	virtual void Shadow(TRgb& aColor);
+	TUint32 ShadowWord(TUint32 aWord);
+	TUint32 FadeWord(TUint32 aWord);
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+	TRgb BlendFourColors(TUint32 aOutlinePenColor, TUint32 aShadowColor, TUint32 aFillColor,
+						TInt aRedOutlinePenColor,TInt aRedShadowColor,TInt aRedFillColor,
+						TInt aGreenOutlinePenColor, TInt aGreenShadowColor, TInt aGreenFillColor,
+						TInt aBlueOutlinePenColor, TInt aBlueShadowColor, TInt aBlueFillColor,
+						TRgb aBackgroundColor, TUint8 aIndex) const;
+	};
+
+const TInt KInvalidValue = 0xABCDABCD;
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawEightBppBitmapCommon) : public CDrawBitmap, public MFastBlit2
+	{
+public:
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual TInt GetInterface(TInt aInterfaceId, TAny*& aInterface);	
+	// From MFastBlit2
+	virtual TInt WriteBitmapBlock(const TPoint& aDest,
+									CFbsDrawDevice* aSrcDrawDevice,
+									const TRect& aSrcRect);
+	virtual TInt WriteBitmapBlock(const TPoint& aDest,
+									const TUint32* aSrcBase,
+									TInt aSrcStride,
+									const TSize& aSrcSize,
+									const TRect& aSrcRect);
+	virtual const TUint32* Bits() const;
+protected:
+	virtual void SetSize(const TSize& aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	TUint8* PixelAddress(TInt aX,TInt aY) const;
+	void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TUint8 aPixel);
+	void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TUint8 aPixel,CGraphicsContext::TDrawMode aDrawMode);
+	void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TUint8 aPixel,TBool aUp);
+	void WriteRgb(TInt aX,TInt aY,TUint8 aPixel);
+	void WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint8 aPixel);
+	void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint8 aPixel);
+	void WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint8 aPixel);
+	void WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint8 aPixel);
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawEightBppBitmapGray) : public CDrawEightBppBitmapCommon
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+protected:
+	virtual void Shadow(TRgb& aColor);
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+	TUint8 ShadowAndFade(TInt aGray256);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawEightBppBitmapColor) : public CDrawEightBppBitmapCommon
+	{
+public:
+	~CDrawEightBppBitmapColor();
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual TInt SetCustomPalette(const CPalette* aPalette);
+	virtual TInt GetCustomPalette(CPalette*& aPalette);
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+protected:
+	TUint8 ColorToIndex(TRgb aColor) const;
+	TRgb IndexToColor(TInt aIndex) const;
+	virtual void Shadow(TRgb& aColor);
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+protected:
+	TRgb* iPalette;
+	TUint8* iColor4KIndex;
+	TUint8* iShadowIndex;
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawSixteenBppBitmapCommon) : public CDrawBitmap, public MFastBlit2
+	{
+public:
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint16 aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint16 aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint16 aColor);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TUint16 aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TUint16 aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TUint16 aColor,TBool aUp);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TUint16 aColor);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual TInt GetInterface(TInt aInterfaceId, TAny*& aInterface);
+	// From MFastBlit2
+	virtual TInt WriteBitmapBlock(const TPoint& aDest,
+									CFbsDrawDevice* aSrcDrawDevice,
+									const TRect& aSrcRect);
+	virtual TInt WriteBitmapBlock(const TPoint& aDest,
+									const TUint32* aSrcBase,
+									TInt aSrcStride,
+									const TSize& aSrcSize,
+									const TRect& aSrcRect);
+	virtual const TUint32* Bits() const;
+protected:
+	virtual void SetSize(const TSize& aSize);
+	TUint16* PixelAddress(TInt aX,TInt aY) const;
+	virtual void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	virtual TUint16 ShadowIndex(TUint16 aColor64KIndex) = 0;
+	virtual TUint16 FadeIndex(TUint16 aColor4KIndex) = 0;
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawTwelveBppBitmap) : public CDrawSixteenBppBitmapCommon
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+protected:
+	virtual void Shadow(TRgb& aColor);
+	virtual TUint16 ShadowIndex(TUint16 aColor4KIndex);
+	virtual TUint16 FadeIndex(TUint16 aColor4KIndex);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawSixteenBppBitmap) : public CDrawSixteenBppBitmapCommon
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	FORCEINLINE void MapColorToUserDisplayMode(TUint16& aColor64K);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+	virtual void BlendRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+protected:
+	virtual void Shadow(TRgb& aColor);
+	FORCEINLINE void Shadow(TInt& aRed, TInt& aGreen, TInt& aBlue);
+	FORCEINLINE void Shadow(TUint16& a64KColor);
+	virtual TUint16 ShadowIndex(TUint16 aColor64KIndex);
+	FORCEINLINE void ShadowIndex(TInt& aRed, TInt& aGreen, TInt& aBlue);
+	virtual TUint16 FadeIndex(TUint16 aColor64KIndex);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	};
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawTwentyFourBppBitmap) : public CDrawBitmap
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual void Shadow(TRgb& aColor);
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+	void BlendRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+protected:
+	virtual void SetSize(const TSize& aSize);
+	TUint8* PixelAddress(TInt aX,TInt aY) const;
+	TInt PixelAddressIncrement() const;
+	void PixelAddressIncrement(TInt& aPixelInc,TInt& aRowInc) const;
+	void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+	TUint8 ShadowComponent(TInt aRgbComponent);
+	TUint8 FadeComponent(TInt aRgbComponent);
+	TUint8 ShadowAndFade(TInt aComponent);
+private:
+	FORCEINLINE void FadeRgb(TInt& red,TInt& green,TInt& blue);
+	FORCEINLINE void Shadow(TInt& red,TInt& green,TInt& blue);
+	FORCEINLINE TUint8 ShadowComponentInl(TInt aRgbComponent);
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+protected:
+	TInt iScanLineBytes;
+	};
+
+inline TUint8* CDrawTwentyFourBppBitmap::PixelAddress(TInt aX,TInt aY) const
+	{
+	return ((TUint8*)iBits) + (aY * iScanLineBytes) + (aX * 3);
+	}
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawThirtyTwoBppBitmapCommon) : public CDrawBitmap, public MFastBlit2
+	{
+public:
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual void Shadow(TRgb& aColor);
+	virtual void Shadow(TUint32& aColor);
+	virtual void InvertBuffer(TInt aLength,TUint32* aBuffer);
+	virtual TRgb ReadRgbNormal(TInt aX,TInt aY) const;
+	virtual void ShadowArea(const TRect& aRect);
+	virtual void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	virtual void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode);
+	virtual void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	virtual void WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	virtual void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	virtual void MapColorToUserDisplayMode(TRgb& aColor);
+	virtual void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+	virtual TInt GetInterface(TInt aInterfaceId, TAny*& aInterface);
+	// From MFastBlit2
+	virtual TInt WriteBitmapBlock(const TPoint& aDest,
+									CFbsDrawDevice* aSrcDrawDevice,
+									const TRect& aSrcRect);
+	virtual TInt WriteBitmapBlock(const TPoint& aDest,
+									const TUint32* aSrcBase,
+									TInt aSrcStride,
+									const TSize& aSrcSize,
+									const TRect& aSrcRect);
+	virtual const TUint32* Bits() const;
+protected:
+	virtual TUint32 Color(const TRgb& aColor) = 0;
+	virtual TRgb RgbColor(TUint32 aColor) const = 0;
+	virtual void SetSize(const TSize& aSize);
+	FORCEINLINE TUint32* PixelAddress(TInt aX,TInt aY) const;
+	FORCEINLINE TInt PixelAddressIncrement() const;
+	void ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const;
+	void ShadowBuffer(TInt aLength,TUint32* aBuffer);
+	FORCEINLINE TUint8 ShadowComponent(TInt aRgbComponent);
+	TUint8 FadeComponent(TInt aRgbComponent);
+	TUint8 ShadowAndFade(TInt aComponent);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	};
+
+FORCEINLINE TUint32* CDrawThirtyTwoBppBitmapCommon::PixelAddress(TInt aX,TInt aY) const
+	{
+	return iBits + aY * iScanLineWords + aX;
+	}
+
+FORCEINLINE TInt CDrawThirtyTwoBppBitmapCommon::PixelAddressIncrement() const
+	{
+	switch (iOrientation)
+		{
+	case EOrientationNormal:
+		return 1;
+	case EOrientationRotated90:
+		return iScanLineWords;
+	case EOrientationRotated180:
+		return -1;
+	case EOrientationRotated270:
+		return -iScanLineWords;
+	default:
+		return 1;
+		}
+	}
+
+
+/**
+@publishedPartner
+*/
+NONSHARABLE_CLASS(CDrawUTwentyFourBppBitmap) : public CDrawThirtyTwoBppBitmapCommon, MFastBlit
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	virtual TDisplayMode ScanLineDisplayMode() const { return EColor16MAP; }
+	virtual void ReadLine(TInt aX, TInt aY, TInt aLength, TAny* aBuffer, TDisplayMode aDispMode) const;
+	virtual TInt GetInterface(TInt aInterfaceId, TAny*& aInterface);
+	// From MFastBlit
+	virtual void WriteAlphaLineEx(TInt aX,
+						TInt aY,
+						TInt aLength,
+						TInt aSrcX,
+						const TUint32* aSrcPtr,
+						TDisplayMode aSrcFormat,
+						TInt aMaskX,
+						const TUint32* aMaskPtr,
+						MAlphaBlend::TShadowing aShadowing);
+	virtual void WriteMaskLineEx(TInt aX,
+						TInt aY,
+						TInt aLength,
+						TInt aSrcX,
+						const TUint32* aSrcPtr,
+						TDisplayMode aSrcFormat,
+						TInt aMaskX,
+						const TUint32* aMaskPtr,
+						TBool aInvertMask);
+	void BlendRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor);
+	void BlendLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+protected:
+	virtual TUint32 Color(const TRgb& aColor);
+	virtual TRgb RgbColor(TUint32 aColor) const;
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	};
+
+
+/**
+@publishedPartner
+*/
+class CDrawThirtyTwoBppBitmapAlpha : public CDrawThirtyTwoBppBitmapCommon
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	// from CDrawThirtyTwoBppBitmap
+	void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	void MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer);
+	void BlendRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	void BlendLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	void ShadowArea(const TRect& aRect);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+protected:
+	virtual TUint32 Color(const TRgb& aColor);
+	virtual TRgb RgbColor(TUint32 aColor) const;
+	using CDrawThirtyTwoBppBitmapCommon::Shadow;
+	void Shadow(TUint32& aColor);
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	};
+
+
+/**
+@publishedPartner
+*/
+class CDrawThirtyTwoBppBitmapAlphaPM : public CDrawThirtyTwoBppBitmapCommon
+	{
+public:
+	TInt Construct(TSize aSize);
+	TInt Construct(TSize aSize, TInt aStride);
+	// from CDrawThirtyTwoBppBitmap
+	void WriteRgb(TInt aX,TInt aY,TRgb aColor);
+	void WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor);
+	void WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TRgb aColor,TBool aUp);
+	void WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer);
+	void BlendRgbMulti(TInt aX,TInt aY,TInt aWidth,TInt aLength,TRgb aColor);
+	void BlendLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer);
+	void ShadowArea(const TRect& aRect);
+	virtual void WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer,
+		CGraphicsContext::TDrawMode aDrawMode);
+	// From MOutlineAndShadowBlend
+	virtual TInt WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, 
+	                                   TUint32 aOutlinePenColor, TUint32 aShadowColor, 
+	                                   TUint32 aFillColor, const TUint8* aDataBuffer);
+protected:
+	virtual TUint32 Color(const TRgb& aColor);
+	virtual TRgb RgbColor(TUint32 aColor) const;
+private:
+	virtual void WriteRgbAlphaLine(TInt aX,
+                                   TInt aY,
+                                   TInt aLength,
+                                   const TUint8* aRgbBuffer,
+                                   const TUint8* aMaskBuffer,
+                                   MAlphaBlend::TShadowing aShadowing,
+                                   CGraphicsContext::TDrawMode aDrawMode);
+	};
+
+
+
+#include "CoordTransformation.inl"
+
+/** DO NOT have a declaration as the compiler will think the source is in the .cpp and make this non-inline
+
+ Made a global inline to force the compiler to inline so as to gain performance.
+ A member inlines are not guarenteed to be inline.
+
+ ASSERT Primary Color >= 0 && Primary Color <= 255
+ If <0 or >255, after a shift right of 8-bits should prove true.
+ 00000001 00000000 = 256 >> 8 = 00000000 00000001 = TRUE
+ 11111111 11111111 = -1  >> 8 = 00000000 11111111 = TRUE
+ 00000000 11111111 = 255 >> 8 = 00000000 00000000 = FALSE
+
+
+ Initial AlphaValue = 0...1.0
+
+ R = APs + (1 - A)Pd ...so if A=0 the destination pixel is more dominant
+                        and if A=1 the sourec pixel is more dominant
+
+ re-adjusting...
+
+ R = APs + Pd - APd
+
+ R = A(Ps-Pd) + Pd
+
+ Passed-in AlphaValue = 0...255
+ AlphaValue = 257 * Passed-in AlphaValue = 0...65536
+
+ NOTE: AlphaValue is now a 16-bit number. the colours are 8-bit, so we shouldn't
+ have overflow problems.
+ NOTE: Negative values (Ps-Pd) shouldn't be a problem as the shifting right of
+       signed values duplicates the signed bit in the msb.
+
+ R = A(Ps-Pd) + Pd
+     --------
+      65536
+
+ R = (A(Ps-Pd)) >> 16) + Pd
+*/
+inline TRgb AlphaBlend(TInt aPrimaryRed, TInt aPrimaryGreen, TInt aPrimaryBlue, TInt aSecondaryRed,
+						TInt aSecondaryGreen, TInt aSecondaryBlue, TInt aAlphaValue)
+	{
+	__ASSERT_DEBUG(!(aPrimaryRed>>8) && !(aPrimaryGreen>>8) && !(aPrimaryBlue>>8) && !(aAlphaValue>>8) && 
+					!(aSecondaryRed>>8) && !(aSecondaryGreen>>8) && !(aSecondaryBlue>>8),
+					Panic(EScreenDriverPanicAlphaBlendInvariant));
+
+	const TInt alphaValue = aAlphaValue * 257;
+	return TRgb(((alphaValue * (aPrimaryRed   - aSecondaryRed))   >> 16) + aSecondaryRed,
+	     		((alphaValue * (aPrimaryGreen - aSecondaryGreen)) >> 16) + aSecondaryGreen,
+	     		((alphaValue * (aPrimaryBlue  - aSecondaryBlue))  >> 16) + aSecondaryBlue);
+	}
+
+inline TRgb AlphaBlend(TInt aPrimaryRed,TInt aPrimaryGreen,TInt aPrimaryBlue,TRgb aSecondary,TInt aAlphaValue)
+	{
+	return AlphaBlend(aPrimaryRed,aPrimaryGreen,aPrimaryBlue,aSecondary.Red(), aSecondary.Green(), aSecondary.Blue(), aAlphaValue);
+	}
+
+/**
+It unpacks the 16 bit colour in to the red, green and blue colour components.
+@param aColor64K The 16 bit colour which needs to be unpacked.
+@param aRed   Red component of aColor64K is returned into this.
+@param aGreen Green component of aColor64K is returned into this.
+@param aBlue Blue component of aColor64K is returned into this.
+*/
+FORCEINLINE void UnpackColor64K(TUint16 aColor64K, TInt& aRed, TInt& aGreen, TInt& aBlue)
+	{
+	aRed  = (aColor64K&0xF800)>>8;
+	aRed += aRed>>5;
+	aGreen  = (aColor64K&0x07E0)>>3;
+	aGreen += aGreen>>6;
+	aBlue  = (aColor64K&0x001F)<<3;
+	aBlue += aBlue>>5;
+	}
+
+/**
+It creates the 16 bit colour from the red, green and blue colour components.
+@param aRed   The Red component for creating 16 bit colour.
+@param aGreen The Green component for creating 16 bit colour.
+@param aBlue The Blue component for creating 16 bit colour.
+@return TUint16 The 16 bit colour created from the colour components.
+*/
+FORCEINLINE TUint16 PackColor64K(TInt aRed, TInt aGreen, TInt aBlue)
+	{
+	TUint16 color64K = (aBlue & 0xF8) >> 3;
+	color64K |= (aGreen & 0xFc) << 3;
+	color64K |= (aRed & 0xF8) << 8;
+	return color64K;
+	}
+
+/**
+It is an overloaded function for alpha bending which does blending for 16 bit colour.
+@param aPrimaryColor64K   The foreground pixel colour in 16 bit format.
+@param aSecondaryColor64K The background pixel colour in 16 bit format.
+@param aAlphaValue The alpha value used for blending.
+@return The 16 bit blended colour.
+*/
+FORCEINLINE TUint16 AlphaBlend(TUint16 aPrimaryColor64K, TUint16 aSecondaryColor64K,TInt aAlphaValue)
+	{
+	TInt primaryRed;
+	TInt primaryGreen;
+	TInt primaryBlue;
+	TInt secondaryRed;
+	TInt secondaryGreen;
+	TInt secondaryBlue;
+
+	UnpackColor64K(aPrimaryColor64K, primaryRed, primaryGreen, primaryBlue);
+	UnpackColor64K(aSecondaryColor64K, secondaryRed, secondaryGreen, secondaryBlue);
+
+	__ASSERT_DEBUG(!(primaryRed>>8) && !(primaryGreen>>8) && !(primaryBlue>>8) && !(aAlphaValue>>8),
+					Panic(EScreenDriverPanicAlphaBlendInvariant));
+
+	const TInt alphaValue = aAlphaValue * 257;
+	return PackColor64K(((alphaValue * (primaryRed   - secondaryRed))   >> 16) + secondaryRed,
+	     		((alphaValue * (primaryGreen - secondaryGreen)) >> 16) + secondaryGreen,
+	     		((alphaValue * (primaryBlue  - secondaryBlue))  >> 16) + secondaryBlue);
+	}
+
+/**
+It is an overloaded function for alpha bending which does blending for 16 bit colour.
+@param aPrimaryRed  Red component of foreground pixel colour.
+@param aPrimaryGreen  Green component of foreground pixel colour.
+@param aPrimaryBlue  Blue component of foreground pixel colour.
+@param aSecondaryColor64K The background pixel colour in 16 bit format.
+@param aAlphaValue The alpha value used for blending.
+@return The 16 bit blended colour.
+*/
+FORCEINLINE TUint16 AlphaBlend(TInt aPrimaryRed,TInt aPrimaryGreen,TInt aPrimaryBlue, TUint16 aSecondaryColor64K,TInt aAlphaValue)
+	{
+	__ASSERT_DEBUG(!(aPrimaryRed>>8) && !(aPrimaryGreen>>8) && !(aPrimaryBlue>>8) && !(aAlphaValue>>8),
+					Panic(EScreenDriverPanicAlphaBlendInvariant));
+
+	if (aAlphaValue==0xFF)
+		return(PackColor64K(aPrimaryRed, aPrimaryGreen, aPrimaryBlue));
+	TInt secondaryRed;
+	TInt secondaryGreen;
+	TInt secondaryBlue;
+
+	UnpackColor64K(aSecondaryColor64K, secondaryRed, secondaryGreen, secondaryBlue);
+
+	const TInt alphaValue = aAlphaValue * 257;
+	return PackColor64K(((alphaValue * (aPrimaryRed   - secondaryRed))   >> 16) + secondaryRed,
+	     		((alphaValue * (aPrimaryGreen - secondaryGreen)) >> 16) + secondaryGreen,
+	     		((alphaValue * (aPrimaryBlue  - secondaryBlue))  >> 16) + secondaryBlue);
+	}
+
+FORCEINLINE LOCAL_C TUint16 Conv32To16(TUint32 col)
+	{
+	TUint b = (col&0x000000ff)>>3;
+	TUint g = (col&0x0000fc00)>>5;
+	TUint r = (col&0x00f80000)>>8;
+	return TUint16(r|g|b);
+	}
+
+// Alpha-blends an EColor16MA pixel to an EColor64K screen using a fixed mask value.
+FORCEINLINE LOCAL_C TUint16 Blend32To16(TUint32 aSrc32, TUint aMask, TUint16 aDest16)
+	{
+	__ASSERT_DEBUG(aMask < 256, Panic(EScreenDriverPanicInvalidParameter));
+
+	if(aMask)
+		{
+		if(aMask >= 0xFF)
+			return Conv32To16(aSrc32);
+
+		// blend red and blue channel in one go
+		TUint32 d_rb = (aDest16 & 0xF800)<<8 | (aDest16 & 0x001F)<<3;
+		d_rb |= (d_rb>>5) & 0x00ff00ff;
+		const TUint32 s_rb = aSrc32 & 0x00FF00FF;
+		const TUint32 mask2 = aMask | (aMask << 16);
+		const TUint32 rb = ((((aMask * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF;
+
+		// do the green channel normally
+		TInt32 d_g  = (aDest16 & 0x07E0)>>3;
+		d_g |= d_g>>6;
+		const TInt32 s_g = (aSrc32 & 0xFF00) >> 8;
+		TInt g = (((aMask * (s_g - d_g)) >> 8) + d_g) & 0xFF;
+
+		return (Conv32To16(rb | g<<8));
+		}
+
+	return aDest16;
+	}
+
+// As for Blend32To16, but assumes 0xFF and 0 alpha checks already done elsewhere
+FORCEINLINE LOCAL_C TUint16 Blend32To16NoChecks(TUint32 aSrc32, TUint aMask, TUint16 aDest16)
+	{
+	// blend red and blue channel in one go
+	TUint32 d_rb = (aDest16 & 0xF800)<<8 | (aDest16 & 0x001F)<<3;
+	d_rb |= (d_rb>>5) & 0x00ff00ff;
+	const TUint32 s_rb = aSrc32 & 0x00FF00FF;
+	const TUint32 mask2 = aMask | (aMask << 16);
+	const TUint32 rb = ((((aMask * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF;
+
+	// do the green channel normally
+	TInt32 d_g  = (aDest16 & 0x07E0)>>3;
+	d_g |= d_g>>6;
+	const TInt32 s_g = (aSrc32 & 0xFF00) >> 8;
+	TInt g = (((aMask * (s_g - d_g)) >> 8) + d_g) & 0xFF;
+
+	return (Conv32To16(rb | g<<8));
+	}
+
+// Alpha-blends to an EColor64K screen using a fixed mask value.
+// The source values are pre-split from a 32 bit source into the two following components:
+//
+// aSrcRB=aSrc32 & 0x00FF00FF;
+// aSrcG=(aSrc32 & 0xFF00) >> 8;
+//
+// Mask is assumed not to be 0 or 255, these should be pre-checked for and never arrive here
+//
+FORCEINLINE LOCAL_C TUint16 BlendTo16(const TUint32 aSrcRB, const TUint32 aSrcG, TUint aMask, TUint16 aDest16)
+	{
+	// blend red and blue channel in one go
+	TUint32 d_rb = (aDest16 & 0xF800)<<8 | (aDest16 & 0x001F)<<3;
+	d_rb |= (d_rb>>5) & 0x00ff00ff;
+	const TUint32 mask2 = aMask | (aMask << 16);
+	const TUint32 rb = ((((aMask * ((0x01000100 + aSrcRB) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF;
+
+	// do the green channel normally
+	TInt32 d_g  = (aDest16 & 0x07E0)>>3;
+	d_g |= d_g>>6;
+	const TInt32 g = (((aMask * (aSrcG - d_g)) >> 8) + d_g) & 0xFF;
+
+	// inline conversion to 16 bit
+	return TUint16(((rb&0x00f80000)>>8)|((g&0x0000fc)<<3)|((rb&0x000000ff)>>3));
+	}
+
+// Alpha-blends an EColor16MA pixel to an EColor16MU screen using a fixed mask value.
+FORCEINLINE LOCAL_C TUint32 CalcAlphaPixel(const TUint32 aSrcPixel, const TUint8 aMask, TUint32 aDestPixel)
+	{
+	// (a)  (mask * src + (255 - mask) * dest) / 255           This ideal formula
+	// (b)  ((mask * (src - dest)) >> 8) + dest                A faster approximation to (a)
+	// (c)  ((mask * (256 + src - dest) >> 8) + dest - mask    Equivalent to (b) but can be used on multiple colors at a time
+
+	if(aMask)
+		{
+		if(aMask == 0xFF)
+			return 0xff000000|aSrcPixel;
+
+		const TUint32 s_rb = aSrcPixel & 0x00FF00FF;
+		const TUint32 d_rb = aDestPixel & 0x00FF00FF;
+		const TUint32 mask2 = aMask | (aMask << 16);
+		const TUint32 rb = ((((aMask * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF;
+
+		const TInt s_g = (aSrcPixel & 0xFF00) >> 8;
+		const TInt d_g = (aDestPixel & 0xFF00) >> 8;
+		const TInt g = ((aMask * (s_g - d_g)) >> 8) + d_g;
+
+		return(rb | (g<<8) | 0xff000000);
+		}
+
+	return aDestPixel;
+
+	}
+
+// Alpha-blends an EColor16MA rgb to an EColor16MU screen using a fixed mask value.
+FORCEINLINE LOCAL_C void AlphaBlendPixelToDest(TUint32 aSrcValue, const TUint8 aSourceAlpha, TUint32* aDestPtr)
+ {
+ *aDestPtr = CalcAlphaPixel(aSrcValue, aSourceAlpha, *aDestPtr);
+ }
+
+void MemFillTUint32(TUint32* tempWordPtr, TInt aCount,  const TUint32 aValue);
+
+#endif
+