sl@0: // Copyright (c) 2003-2010 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: #include "BMDRAW.H"
sl@0: #include "BitDrawInterfaceId.h"
sl@0: #include <graphics/lookuptable.h>
sl@0: #include <graphics/blendingalgorithms.h>
sl@0: 
sl@0: TInt CDrawUTwentyFourBppBitmap::Construct(TSize aSize)
sl@0: 	{
sl@0: 	return Construct(aSize, aSize.iWidth << 2);
sl@0: 	}
sl@0: 
sl@0: TInt CDrawUTwentyFourBppBitmap::Construct(TSize aSize, TInt aStride)
sl@0: 	{
sl@0: 	iDispMode = EColor16MU;
sl@0: 	return CDrawThirtyTwoBppBitmapCommon::Construct(aSize, aStride);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: MAlphaBlend::WriteRgbAlphaLine() implementation.
sl@0: @see MAlphaBlend::WriteRgbAlphaLine()
sl@0: */
sl@0: void CDrawUTwentyFourBppBitmap::WriteRgbAlphaLine(TInt aX, TInt aY, TInt aLength,
sl@0: 													const TUint8* aRgbBuffer,
sl@0: 													const TUint8* aMaskBuffer,
sl@0: 													MAlphaBlend::TShadowing aShadowing,
sl@0: 													CGraphicsContext::TDrawMode /*aDrawMode*/)
sl@0: 	{
sl@0: 	// precondition for this function is that the aRgbBuffer lies on a word boundary
sl@0:     // Assert checks that the pointer is at a word boundary
sl@0:     __ASSERT_DEBUG(!(((TUint)aRgbBuffer) & 0x3), Panic(EScreenDriverPanicInvalidPointer));
sl@0:     
sl@0: 	DeOrientate(aX,aY);
sl@0: 	TUint32* pixelPtr = PixelAddress(aX,aY);
sl@0: 	TUint32* rgbBuffer = (TUint32*)aRgbBuffer;
sl@0: 	const TInt pixelPtrInc = PixelAddressIncrement();
sl@0: 	const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength;
sl@0: 	
sl@0: 	if (!(iShadowMode & (EFade | EShadow)) && (iUserDispMode == ENone))
sl@0: 		{
sl@0: 		while (aMaskBuffer < maskBufferPtrLimit)
sl@0: 			{
sl@0: 			*pixelPtr = CalcAlphaPixel(*rgbBuffer, *aMaskBuffer, *pixelPtr);
sl@0: 			aMaskBuffer++;
sl@0: 			pixelPtr += pixelPtrInc;
sl@0: 			rgbBuffer++;
sl@0: 			}
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		while (aMaskBuffer < maskBufferPtrLimit)
sl@0: 			{
sl@0: 			TInt mask = *aMaskBuffer++;
sl@0: 			if (mask)
sl@0: 				{     
sl@0: 				TInt b = aRgbBuffer[0];
sl@0: 				TInt g = aRgbBuffer[1];
sl@0: 				TInt r = aRgbBuffer[2];
sl@0: 				if(aShadowing == MAlphaBlend::EShdwBefore)
sl@0: 					{
sl@0: 					if (iShadowMode & EFade)
sl@0: 						{
sl@0: 						r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 						g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 						b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 						}
sl@0: 					if (iShadowMode & EShadow)
sl@0: 						{
sl@0: 						r = (Max(0,r-0x40));
sl@0: 						g = (Max(0,g-0x40));
sl@0: 						b = (Max(0,b-0x40));
sl@0: 						}
sl@0: 					}
sl@0: 				if (mask != 0xff)
sl@0: 					{
sl@0: 					// (mask * r + (255 - mask) * value) / 255 =
sl@0: 					// ((257 * mask * (r - value)) >> 16) + value
sl@0: 					TInt value = *pixelPtr & 0xffffff;
sl@0: 					mask = (mask << 8) + mask; // mask = mask * 257
sl@0: 					TInt v = value >> 16;
sl@0: 					r = ((mask * (r - v)) >> 16) + v;
sl@0: 					v = (value >> 8) & 0xff;
sl@0: 					g = ((mask * (g - v)) >> 16) + v;
sl@0: 					v = value & 0xff;
sl@0: 					b = ((mask * (b - v)) >> 16) + v;
sl@0: 					}
sl@0: 				if(aShadowing == MAlphaBlend::EShdwAfter)
sl@0: 					{
sl@0: 					if (iShadowMode & EFade)
sl@0: 						{  
sl@0: 						r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 						g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 						b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset;            
sl@0: 						}
sl@0: 					if (iShadowMode & EShadow)
sl@0: 						{
sl@0: 						r = (Max(0,r-0x40));
sl@0: 						g = (Max(0,g-0x40));
sl@0: 						b = (Max(0,b-0x40));                  
sl@0: 						}
sl@0: 					}
sl@0: 				// Convert colour if an incompatible UserDisplayMode is being used
sl@0: 				CDrawBitmap::MapColorToUserDisplayMode(r,g,b);
sl@0: 				*pixelPtr = (r<<16) | (g<<8) | b | 0xff000000;
sl@0: 				}
sl@0: 			aRgbBuffer += 4;
sl@0: 			pixelPtr += pixelPtrInc;
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CDrawUTwentyFourBppBitmap::ReadLine(TInt aX, TInt aY, TInt aLength, TAny* aBuffer, TDisplayMode aDispMode) const
sl@0: 	{
sl@0: 	if (aDispMode == EColor16MAP)
sl@0: 		{
sl@0: 		DeOrientate(aX, aY);
sl@0: 		CDrawThirtyTwoBppBitmapCommon::ReadLine(aX, aY, aLength, aBuffer);
sl@0: 		
sl@0: 		//Overwrite unused byte with 0xff to produce valid 16MAP data
sl@0: 		TUint8* alphaptr = (TUint8*) aBuffer+3;
sl@0: 		TUint8* bufEnd = (TUint8*) aBuffer + (aLength << 2);
sl@0: 		while (alphaptr < bufEnd)
sl@0: 			{
sl@0: 			*alphaptr = 0xff;
sl@0: 			alphaptr+=4;
sl@0: 			}
sl@0: 		
sl@0: 		return;
sl@0: 		}
sl@0: 	CDrawBitmap::ReadLine(aX, aY, aLength, aBuffer, aDispMode);
sl@0: 	}
sl@0: 
sl@0: void CDrawUTwentyFourBppBitmap::BlendRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
sl@0: 	{
sl@0: 	const TInt sourceAlpha = aColor.Alpha();
sl@0: 	if (sourceAlpha==255)// opaque
sl@0: 		{
sl@0: 		WriteRgbMulti(aX,aY,aLength,aHeight,aColor);
sl@0: 		return;
sl@0: 		}
sl@0: 	if (sourceAlpha==0)// transparent
sl@0: 		return;
sl@0: 
sl@0: 	TUint32* pixelPtr = PixelAddress(aX,aY);
sl@0: 	TUint32* pixelRowPtrLimit = pixelPtr + (aHeight * iScanLineWords);
sl@0: 	TUint32* pixelPtrLimit = pixelPtr + aLength;
sl@0: 
sl@0: 	const TUint32 sourceInternal=aColor.Internal();
sl@0: 	const TUint32 s_rb = sourceInternal & 0x00FF00FF;
sl@0: 	const TUint32 s_g = (sourceInternal & 0xFF00) >> 8;
sl@0: 	const TUint32 mask2 = sourceAlpha | (sourceAlpha << 16);
sl@0: 	while (pixelPtr < pixelRowPtrLimit)
sl@0: 		{
sl@0: 		for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
sl@0: 			{
sl@0: 			const TUint32 d = *tempPixelPtr;
sl@0: 			const TUint32 d_rb = d & 0x00FF00FF;
sl@0: 			const TUint32 rb = ((((sourceAlpha * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF;
sl@0: 
sl@0: 			const TInt d_g = (d & 0xFF00) >> 8;
sl@0: 			const TInt g = ((sourceAlpha * (s_g - d_g)) >> 8) + d_g;
sl@0: 	
sl@0: 			*tempPixelPtr = rb | (g<<8) | 0xff000000;
sl@0: 			}
sl@0: 
sl@0: 		pixelPtr += iScanLineWords;
sl@0: 		pixelPtrLimit += iScanLineWords;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CDrawUTwentyFourBppBitmap::BlendLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
sl@0: 	{
sl@0: 	TUint32* pixelPtr = PixelAddress(aX,aY);
sl@0: 
sl@0: 	const TUint32* bufferPtrLimit = aBuffer + aLength;
sl@0: 	const TInt pixelPtrInc = (iOrientation == EOrientationNormal) ? 1 : PixelAddressIncrement();
sl@0: 				
sl@0: 	while (aBuffer < bufferPtrLimit)
sl@0: 		{
sl@0: 		if((*aBuffer &0xFF000000) == 0xFF000000)
sl@0: 			{
sl@0: 			*pixelPtr = *aBuffer;
sl@0: 			}
sl@0: 		else if((*aBuffer & 0xFF000000))
sl@0: 			{	
sl@0: 			// specialization of pre-multiplied blending when the destination alpha is always 255
sl@0: 			const TUint32 src_rb = *aBuffer & 0x00FF00FF;
sl@0: 			const TUint32 src_g = *aBuffer & 0x0000FF00;
sl@0: 			const TUint32 mask = 0x100 - (*aBuffer >> 24);
sl@0: 			TUint32 dst_rb = *pixelPtr & 0x00FF00FF;
sl@0: 			TUint32 dst_g = *pixelPtr & 0x0000FF00;
sl@0: 			dst_rb = (src_rb + ((mask * dst_rb) >> 8)) & 0x00FF00FF;
sl@0: 			dst_g = (src_g + ((mask * dst_g) >> 8)) & 0x0000FF00;
sl@0: 			*pixelPtr = 0xFF000000 | dst_rb | dst_g;
sl@0: 			}
sl@0: 			
sl@0: 		aBuffer++;
sl@0: 		pixelPtr += pixelPtrInc;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TRgb CDrawUTwentyFourBppBitmap::RgbColor(TUint32 aColor) const
sl@0: 	{
sl@0: 	return TRgb::_Color16MU(aColor);
sl@0: 	}
sl@0: 
sl@0: TUint32 CDrawUTwentyFourBppBitmap::Color(const TRgb& aColor)
sl@0: 	{
sl@0: 	return aColor._Color16MA() | 0xff000000;	
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Copies an EColor64K pixel to an EColor16MU screen
sl@0: FORCEINLINE static void CopyPixel(const TUint16*& aSrcPtr, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd)
sl@0: 	{
sl@0: 	*aDestPtr = aHighAdd[(*aSrcPtr) >> 8] | aLowAdd[(*aSrcPtr) & 0xff];
sl@0: 	aDestPtr += aPixelPtrInc;
sl@0: 	aSrcPtr++;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Copies two EColor64K pixels to an EColor16MU screen
sl@0: FORCEINLINE static void CopyTwoPixels(const TUint32*& aSrcPtr, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd)
sl@0: 	{
sl@0: 	const TUint16* scanPtr = reinterpret_cast<const TUint16*&>(aSrcPtr);
sl@0: 	*aDestPtr = aHighAdd[(*scanPtr) >> 8] | aLowAdd[(*scanPtr) & 0xff];
sl@0:  	aDestPtr += aPixelPtrInc;
sl@0: 	scanPtr++;
sl@0: 	*aDestPtr = aHighAdd[(*scanPtr) >> 8] | aLowAdd[(*scanPtr) & 0xff];
sl@0:  	aDestPtr += aPixelPtrInc;
sl@0:  	aSrcPtr++;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Copies an EColor16MU pixel to an EColor16MU screen if necessary.
sl@0: FORCEINLINE static void ProcessMaskPixel(const TUint32*& aSrcPtr, const TUint32 aMaskWord, TUint32& aSingleBitMask, TUint32*& aDestPtr, TInt aPixelPtrInc)
sl@0: 	{
sl@0: 	if (aMaskWord & aSingleBitMask)
sl@0: 		{
sl@0: 		*aDestPtr = *aSrcPtr;
sl@0: 		}
sl@0: 	aSrcPtr++;
sl@0: 	aDestPtr += aPixelPtrInc;
sl@0: 	aSingleBitMask <<= 1;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Copies an EColor64K pixel to an EColor16MU screen if necessary.	
sl@0: FORCEINLINE static void ProcessMaskPixel(const TUint16*& aSrcPtr, const TUint32 aMaskWord, TUint32& aSingleBitMask, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd)
sl@0: 	{	
sl@0: 	if (aMaskWord & aSingleBitMask)
sl@0: 		{
sl@0: 		*aDestPtr = aHighAdd[(*aSrcPtr) >> 8] | aLowAdd[(*aSrcPtr) & 0xff];
sl@0: 		}
sl@0: 	aSrcPtr++;
sl@0: 	aDestPtr += aPixelPtrInc;
sl@0: 	aSingleBitMask <<= 1;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Alpha-blends an EColor16MU pixel to an EColor16MU screen using a fixed mask value.
sl@0: FORCEINLINE static void BlendAlphaPixel(const TUint32*& aSrcPtr, const TUint8 aMask, TUint32*& aDestPtr, TInt aPixelPtrInc)
sl@0: 	{
sl@0: 	const TUint32 s = *aSrcPtr++;
sl@0: 	const TUint32 d = *aDestPtr;
sl@0: 	
sl@0: 	// (a)  (mask * src + (255 - mask) * dest) / 255           This ideal formula
sl@0: 	// (b)  ((mask * (src - dest)) >> 8) + dest                A faster approximation to (a)
sl@0: 	// (c)  ((mask * (256 + src - dest) >> 8) + dest - mask    Equivalent to (b) but can be used on multiple colors at a time
sl@0: 
sl@0: 	const TUint32 s_rb = s & 0x00FF00FF;
sl@0: 	const TUint32 d_rb = d & 0x00FF00FF;
sl@0: 	const TUint32 mask2 = aMask | (aMask << 16);
sl@0: 	const TUint32 rb = ((((aMask * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF;
sl@0: 
sl@0: 	const TInt s_g = (s & 0xFF00) >> 8;
sl@0: 	const TInt d_g = (d & 0xFF00) >> 8;
sl@0: 	const TInt g = ((aMask * (s_g - d_g)) >> 8) + d_g;
sl@0: 	
sl@0: 	*aDestPtr = rb | (g<<8) | 0xff000000;
sl@0: 	aDestPtr += aPixelPtrInc;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Alpha-blends an EColor16MU pixel to an EColor16MU screen if necessary.	
sl@0: FORCEINLINE static void ProcessAlphaPixel(const TUint32*& aSrcPtr, const TUint8*& aMaskPtr, TUint32*& aDestPtr, TInt aPixelPtrInc)
sl@0: 	{
sl@0: 	const TInt mask = *aMaskPtr++;
sl@0: 
sl@0: 	if (!mask)
sl@0: 		{
sl@0: 		// pixel is masked
sl@0: 		aSrcPtr++;
sl@0: 		aDestPtr += aPixelPtrInc;
sl@0: 		}
sl@0: 	else if (mask == 0xFF)
sl@0: 		{
sl@0: 		// pixel is unmasked
sl@0: 		*aDestPtr = *aSrcPtr++;
sl@0: 		aDestPtr += aPixelPtrInc;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		BlendAlphaPixel(aSrcPtr, mask, aDestPtr, aPixelPtrInc);
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: 
sl@0: // Alpha-blends an EColor64K pixel to an EColor16MU screen using a fixed mask value.
sl@0: FORCEINLINE static void BlendAlphaPixel(const TUint16*& aSrcPtr, const TUint8 aMask, TUint32*& aDestPtr, TInt aPixelPtrInc)
sl@0: 	{
sl@0: 	const TUint32 s = *aSrcPtr++;
sl@0: 	const TUint32 d = *aDestPtr;
sl@0: 	
sl@0: 	// convert the source EColor64K red / blue pixels to EColor16MU
sl@0: 	// the top two bits in EColor64K are used to fill the bottom two bits in EColor16MU
sl@0: 	
sl@0: 	const TUint32 s_rb = ((s & 0xF800) << 8) | ((s & 0xE000) << 3) | ((s & 0x1F) << 3) | ((s & 0x1C) >>2);	
sl@0: 	const TUint32 d_rb = d & 0x00FF00FF;
sl@0: 	const TUint32 mask2 = aMask | (aMask << 16);
sl@0: 	const TUint32 rb = ((((aMask * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF;
sl@0: 	
sl@0: 	// convert the source EColor64K green pixel to EColor16MU
sl@0: 	const TInt s_g = ((s & 0x07E0) >> 3) | ((s & 0x0600) >> 9);
sl@0: 	const TInt d_g = (d & 0xFF00) >> 8;
sl@0: 	const TInt g = ((aMask * (s_g - d_g)) >> 8) + d_g;
sl@0: 	
sl@0: 	*aDestPtr = rb | (g<<8) | 0xff000000;
sl@0: 	aDestPtr += aPixelPtrInc;
sl@0: 	}
sl@0: 
sl@0: 	
sl@0: // Alpha-blends an EColor64K pixel to an EColor16MU screen if necessary.	
sl@0: FORCEINLINE static void ProcessAlphaPixel(const TUint16*& aSrcPtr, const TUint8*& aMaskPtr, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd)
sl@0: 	{
sl@0: 	const TInt mask = *aMaskPtr++;
sl@0: 
sl@0: 	if (!mask)
sl@0: 		{
sl@0: 		// pixel is masked
sl@0: 		aSrcPtr++;
sl@0: 		aDestPtr += aPixelPtrInc;
sl@0: 		}
sl@0: 	else if (mask == 0xFF) 
sl@0: 		{
sl@0: 		// pixel is unmasked
sl@0: 		CopyPixel(aSrcPtr, aDestPtr, aPixelPtrInc, aHighAdd, aLowAdd);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		BlendAlphaPixel(aSrcPtr, mask, aDestPtr, aPixelPtrInc);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /**
sl@0: CDrawUTwentyFourBppBitmap::WriteAlphaLineEx() implementation.
sl@0: @internalTechnology
sl@0: @see MFastBlit::WriteAlphaLineEx()
sl@0: */
sl@0: void CDrawUTwentyFourBppBitmap::WriteAlphaLineEx(TInt aX, TInt aY, TInt aLength, TInt aSrcX,
sl@0: 													const TUint32* aSrcPtr,  TDisplayMode aSrcFormat,
sl@0: 													TInt aMaskX, const TUint32* aMaskPtr,
sl@0: 													MAlphaBlend::TShadowing aShadowing)
sl@0: 	{
sl@0: 	// Only certain pixel formats are supported.  Caller should check this.
sl@0: 	__ASSERT_DEBUG(aSrcFormat ==EColor16MU || aSrcFormat ==EColor64K, User::Invariant());
sl@0: 	
sl@0: 	DeOrientate(aX,aY);
sl@0: 	TUint32* pixelPtr = PixelAddress(aX,aY);
sl@0: 	const TInt pixelPtrInc = PixelAddressIncrement();
sl@0: 	
sl@0: 	if (aSrcFormat==EColor16MU)
sl@0: 		{		
sl@0: 		if (!(iShadowMode & EFade) && !(iShadowMode & EShadow) && ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU)) )
sl@0: 			{
sl@0: 			aSrcPtr += aSrcX;
sl@0: 			const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 2);
sl@0: 			const TInt startBit = aMaskX & 0x3;
sl@0: 			
sl@0: 			if (startBit)
sl@0: 				{
sl@0: 				// Process initial incomplete mask word
sl@0: 				const TUint32 maskWord = *maskWordPtr++;
sl@0: 				TInt numPix = Min(aLength, 4 - startBit);  // number of pixels to process from the first word of the mask
sl@0: 				aLength -= numPix;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip the pixels
sl@0: 					aSrcPtr += numPix;
sl@0: 					pixelPtr += pixelPtrInc * numPix;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy the pixels
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						*pixelPtr = *aSrcPtr++;
sl@0: 						pixelPtr += pixelPtrInc;
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// At least one of the pixels needs to be blended
sl@0: 					const TUint8* maskPtr8 = reinterpret_cast<const TUint8*>(&maskWord);
sl@0: 					maskPtr8 += startBit;
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			
sl@0: 			TInt numMaskWords = aLength >> 2;
sl@0: 			aLength &= 0x3;
sl@0: 			while (numMaskWords--)
sl@0: 				{
sl@0: 				// Process a complete mask word - 4 pixels
sl@0: 				const TUint32 maskWord = *maskWordPtr++;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip 4 pixels
sl@0: 					aSrcPtr += 4;
sl@0: 					pixelPtr += pixelPtrInc << 2;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy 4 pixels
sl@0: 					*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 					*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 					*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 					*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 					}
sl@0: 				else
sl@0: 					{	
sl@0: 					// At least one of the 4 pixels needs to be blended
sl@0: 					const TUint8* maskPtr8 = reinterpret_cast<const TUint8*>(&maskWord);
sl@0: 
sl@0: 					if (maskPtr8[0] && (maskPtr8[0] != 0xFF) &&
sl@0: 						maskPtr8[1] && (maskPtr8[1] != 0xFF) &&
sl@0: 						maskPtr8[2] && (maskPtr8[2] != 0xFF) &&
sl@0: 						maskPtr8[3] && (maskPtr8[3] != 0xFF))
sl@0: 						{
sl@0: 						// Blend all 4 pixels inline
sl@0: 						BlendAlphaPixel(aSrcPtr, maskPtr8[0], pixelPtr, pixelPtrInc);
sl@0: 						BlendAlphaPixel(aSrcPtr, maskPtr8[1], pixelPtr, pixelPtrInc);
sl@0: 						BlendAlphaPixel(aSrcPtr, maskPtr8[2], pixelPtr, pixelPtrInc);
sl@0: 						BlendAlphaPixel(aSrcPtr, maskPtr8[3], pixelPtr, pixelPtrInc);
sl@0: 						}
sl@0: 					else
sl@0: 						{
sl@0: 						ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc);
sl@0: 						ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc);
sl@0: 						ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc);
sl@0: 						ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 
sl@0: 			if (aLength)
sl@0: 				{
sl@0: 				const TUint32 maskWord = *maskWordPtr;
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip the pixels
sl@0: 					return;
sl@0: 					}
sl@0: 				if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy the pixels
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						*pixelPtr = *aSrcPtr++;
sl@0: 						pixelPtr += pixelPtrInc;
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// At least one of the pixels needs to be blended
sl@0: 					const TUint8* maskPtr8 = reinterpret_cast<const TUint8*>(&maskWord);
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			// Non-optimised path including shadowing and UserDisplayMode conversion
sl@0: 			const TUint8* srcPtr8  = reinterpret_cast<const TUint8*>(aSrcPtr + aSrcX);
sl@0: 			const TUint8* maskPtr8 = reinterpret_cast<const TUint8*>(aMaskPtr) + aMaskX;
sl@0: 			
sl@0: 			while (aLength--)
sl@0: 				{
sl@0: 				TInt mask = *maskPtr8++;
sl@0: 				if (mask)
sl@0: 					{
sl@0: 					TInt b = srcPtr8[0];
sl@0: 					TInt g = srcPtr8[1];
sl@0: 					TInt r = srcPtr8[2];
sl@0: 					if(aShadowing == MAlphaBlend::EShdwBefore)
sl@0: 						{
sl@0: 						if (iShadowMode & EFade)
sl@0: 							{
sl@0: 							r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							}
sl@0: 						if (iShadowMode & EShadow)
sl@0: 							{
sl@0: 							r = (Max(0,r-0x40));
sl@0: 							g = (Max(0,g-0x40));
sl@0: 							b = (Max(0,b-0x40));
sl@0: 							}
sl@0: 						}
sl@0: 					if (mask != 0xff)
sl@0: 						{
sl@0: 						// (mask * r + (255 - mask) * value) / 255 =
sl@0: 						// ((257 * mask * (r - value)) >> 16) + value
sl@0: 						TInt value = *pixelPtr & 0xffffff;
sl@0: 						mask = (mask << 8) + mask; // mask = mask * 257
sl@0: 						TInt v = value >> 16;
sl@0: 						r = ((mask * (r - v)) >> 16) + v;
sl@0: 						v = (value >> 8) & 0xff;
sl@0: 						g = ((mask * (g - v)) >> 16) + v;
sl@0: 						v = value & 0xff;
sl@0: 						b = ((mask * (b - v)) >> 16) + v;
sl@0: 						}
sl@0: 					if(aShadowing == MAlphaBlend::EShdwAfter)
sl@0: 						{
sl@0: 						if (iShadowMode & EFade)
sl@0: 							{  
sl@0: 							r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset;            
sl@0: 							}
sl@0: 						if (iShadowMode & EShadow)
sl@0: 							{
sl@0: 							r = (Max(0,r-0x40));
sl@0: 							g = (Max(0,g-0x40));
sl@0: 							b = (Max(0,b-0x40));
sl@0: 							}
sl@0: 						}
sl@0: 					// Convert colour if an incompatible UserDisplayMode is being used
sl@0: 					CDrawBitmap::MapColorToUserDisplayMode(r,g,b);
sl@0: 					*pixelPtr = (r<<16) | (g<<8) | b | 0xff000000;
sl@0: 					}
sl@0: 				pixelPtr += pixelPtrInc;
sl@0: 				srcPtr8 += 4;
sl@0: 				}
sl@0: 			}
sl@0: 		return;
sl@0: 		}
sl@0: 	else   // (aSrcFormat==EColor64K)
sl@0: 		{
sl@0: 		const TUint16* srcPtr16 = reinterpret_cast<const TUint16*>(aSrcPtr) + aSrcX;
sl@0: 		
sl@0: 		if (!(iShadowMode & EFade) && !(iShadowMode & EShadow) && ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU)))
sl@0: 			{			
sl@0: 			const TUint16* lowAdd = Convert16to32bppLow();
sl@0: 			const TUint32* highAdd = Convert16to32bppHigh();
sl@0: 			const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 2);
sl@0: 			const TInt startBit = aMaskX & 0x3;
sl@0: 			
sl@0: 			if (startBit)
sl@0: 				{
sl@0: 				// Process initial incomplete mask word
sl@0: 				const TUint32 maskWord = *maskWordPtr++;
sl@0: 				TInt numPix = Min(aLength, 4 - startBit);  // number of pixels to process from the first word of the mask
sl@0: 				aLength -= numPix;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked
sl@0: 					srcPtr16 += numPix;
sl@0: 					pixelPtr += pixelPtrInc * numPix;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// At least one of the pixels needs to be blended
sl@0: 					const TUint8* maskPtr8 = reinterpret_cast<const TUint8*>(&maskWord);
sl@0: 					maskPtr8 += startBit;
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			
sl@0: 			TInt numMaskWords = aLength >> 2;
sl@0: 			aLength &= 0x3;
sl@0: 			while (numMaskWords--)
sl@0: 				{
sl@0: 				// Process 4 mask pixels
sl@0: 				const TUint32 maskWord = *maskWordPtr++;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip 4 pixels
sl@0: 					srcPtr16 += 4;
sl@0: 					pixelPtr += pixelPtrInc << 2;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy and convert 4 pixels
sl@0: 					const TUint32* srcPtr32 = (const TUint32*)srcPtr16;
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					srcPtr16 = (const TUint16*)srcPtr32;
sl@0: 					}
sl@0: 				else
sl@0: 					{	
sl@0: 					// At least one of the 4 pixels needs to be blended
sl@0: 					const TUint8* maskPtr8 = reinterpret_cast<const TUint8*>(&maskWord);
sl@0: 
sl@0: 					if (maskPtr8[0] && (maskPtr8[0] != 0xFF) &&
sl@0: 						maskPtr8[1] && (maskPtr8[1] != 0xFF) &&
sl@0: 						maskPtr8[2] && (maskPtr8[2] != 0xFF) &&
sl@0: 						maskPtr8[3] && (maskPtr8[3] != 0xFF))
sl@0: 						{
sl@0: 						// Blend all 4 pixels inline
sl@0: 						BlendAlphaPixel(srcPtr16, maskPtr8[0], pixelPtr, pixelPtrInc);
sl@0: 						BlendAlphaPixel(srcPtr16, maskPtr8[1], pixelPtr, pixelPtrInc);
sl@0: 						BlendAlphaPixel(srcPtr16, maskPtr8[2], pixelPtr, pixelPtrInc);
sl@0: 						BlendAlphaPixel(srcPtr16, maskPtr8[3], pixelPtr, pixelPtrInc);
sl@0: 						}
sl@0: 					else
sl@0: 						{
sl@0: 						ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 
sl@0: 			if (aLength)
sl@0: 				{
sl@0: 				// Process final incomplete mask word
sl@0: 				const TUint32 maskWord = *maskWordPtr;   // this will over-read
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked	- skip the pixels
sl@0: 					return;
sl@0: 					}
sl@0: 				if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy and convert the pixels
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// At least one of the pixels needs to be blended
sl@0: 					const TUint8* maskPtr8 = reinterpret_cast<const TUint8*>(&maskWord);
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			// Non-optimised path including shadowing and UserDisplayMode conversion
sl@0: 			const TUint8* maskPtr8  = reinterpret_cast<const TUint8*>(aMaskPtr) + aMaskX;
sl@0: 			while (aLength--)
sl@0: 				{
sl@0: 				TInt mask = *maskPtr8++;
sl@0: 				if (mask)
sl@0: 					{
sl@0: 					const TUint32 src = *srcPtr16;
sl@0: 					TInt r  = (src & 0xF800) >> 8;
sl@0: 					     r |= (src & 0xE000) >>13;
sl@0: 					TInt g  = (src & 0x07E0) >> 3;
sl@0: 					     g |= (src & 0x0600) >> 9;
sl@0: 					TInt b  = (src & 0x001F) << 3;
sl@0: 					     b |= (src & 0x001C) >> 2;
sl@0: 
sl@0: 					if(aShadowing == MAlphaBlend::EShdwBefore)
sl@0: 						{
sl@0: 						if (iShadowMode & EFade)
sl@0: 							{
sl@0: 							r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							}
sl@0: 						if (iShadowMode & EShadow)
sl@0: 							{
sl@0: 							r = Max(0,r-0x40);
sl@0: 							g = Max(0,g-0x40);
sl@0: 							b = Max(0,b-0x40);
sl@0: 							}
sl@0: 						}
sl@0: 					if (mask != 0xff)
sl@0: 						{
sl@0: 						// (mask * r + (255 - mask) * value) / 255 =
sl@0: 						// ((257 * mask * (r - value)) >> 16) + value
sl@0: 						const TInt value = *pixelPtr & 0xffffff;
sl@0: 						mask = (mask << 8) + mask; // mask = mask * 257
sl@0: 						TInt v = value >> 16;
sl@0: 						r = ((mask * (r - v)) >> 16) + v;
sl@0: 						v = (value >> 8) & 0xff;
sl@0: 						g = ((mask * (g - v)) >> 16) + v;
sl@0: 						v = value & 0xff;
sl@0: 						b = ((mask * (b - v)) >> 16) + v;
sl@0: 						}
sl@0: 					if(aShadowing == MAlphaBlend::EShdwAfter)
sl@0: 						{
sl@0: 						if (iShadowMode & EFade)
sl@0: 							{  
sl@0: 							r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset;
sl@0: 							b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset;            
sl@0: 							}
sl@0: 						if (iShadowMode & EShadow)
sl@0: 							{
sl@0: 							r = Max(0,r-0x40);
sl@0: 							g = Max(0,g-0x40);
sl@0: 							b = Max(0,b-0x40);                  
sl@0: 							}
sl@0: 						}
sl@0: 					// Convert colour if an incompatible UserDisplayMode is being used
sl@0: 					CDrawBitmap::MapColorToUserDisplayMode(r,g,b);
sl@0: 					*pixelPtr = (r<<16) | (g<<8) | b | 0xff000000;
sl@0: 					}
sl@0: 				srcPtr16++;
sl@0: 				pixelPtr += pixelPtrInc;
sl@0: 				}
sl@0: 			}
sl@0: 		return;
sl@0: 		}	
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: CDrawUTwentyFourBppBitmap::WriteMaskLineEx() implementation.
sl@0: @internalTechnology
sl@0: @see MFastBlit::WriteMaskLineEx()
sl@0: */
sl@0: void CDrawUTwentyFourBppBitmap::WriteMaskLineEx(TInt aX, TInt aY, TInt aLength, TInt aSrcX,
sl@0: 													const TUint32* aSrcPtr,  TDisplayMode aSrcFormat,
sl@0: 													TInt aMaskX, const TUint32* aMaskPtr, TBool aInvertMask)
sl@0: 	{
sl@0: 	// Only certain pixel formats are supported.  Caller should check this.
sl@0: 	__ASSERT_DEBUG(aSrcFormat ==EColor16MU || aSrcFormat ==EColor64K, User::Invariant());
sl@0: 
sl@0: 	DeOrientate(aX,aY);
sl@0: 	TUint32* pixelPtr = PixelAddress(aX,aY);
sl@0: 	const TInt pixelPtrInc = PixelAddressIncrement();
sl@0: 	const TUint32 invertWord = (aInvertMask ? 0xFFFFFFFF : 0);  // to be XORed with the mask
sl@0: 
sl@0: 	if (aSrcFormat==EColor16MU)
sl@0: 		{
sl@0: 		aSrcPtr += aSrcX;
sl@0: 	
sl@0: 		if ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU))
sl@0: 			{
sl@0: 			const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 5);
sl@0: 			const TInt startBit = aMaskX & 0x1F;
sl@0: 
sl@0: 			if (startBit)
sl@0: 				{
sl@0: 				// Process initial incomplete mask word
sl@0: 				TUint32 maskWord = *maskWordPtr++;
sl@0: 				maskWord ^= invertWord;
sl@0: 				TInt numPix = Min(aLength, 32 - startBit);  // number of pixels to process from the first word of the mask
sl@0: 				aLength -= numPix;
sl@0: 
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip the pixels
sl@0: 					aSrcPtr += numPix;
sl@0: 					pixelPtr += pixelPtrInc * numPix;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy the pixels
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						*pixelPtr = *aSrcPtr++;
sl@0: 						pixelPtr += pixelPtrInc;
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// maskWord is partially masked - process each pixel
sl@0: 					TUint32 singleBitMask = 1 << startBit;
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			
sl@0: 			TInt numMaskWords = aLength >> 5;
sl@0: 			aLength &= 0x1F;
sl@0: 			while (numMaskWords--)
sl@0: 				{
sl@0: 				// Process a complete mask word (32 pixels)
sl@0: 				TUint32 maskWord = *maskWordPtr++;
sl@0: 				maskWord ^= invertWord;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip 32 pixels
sl@0: 					aSrcPtr += 32;
sl@0: 					pixelPtr += pixelPtrInc << 5;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy 32 pixels
sl@0: 					if (pixelPtrInc==1)
sl@0: 						{
sl@0: 						pixelPtr=(TUint32*)Mem::Move(pixelPtr, aSrcPtr, 128);
sl@0: 						aSrcPtr+= 32;
sl@0: 						}
sl@0: 					else
sl@0: 						{
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						*pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc;
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{	
sl@0: 					// maskWord is partially masked - process each of the 32 pixels
sl@0: 					TUint32 singleBitMask = 1;
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 					}
sl@0: 				}
sl@0: 
sl@0: 
sl@0: 			if (aLength)
sl@0: 				{
sl@0: 				// Process final incomplete mask word
sl@0: 				TUint32 maskWord = *maskWordPtr;
sl@0: 				maskWord ^= invertWord;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip the pixels
sl@0: 					return;
sl@0: 					}
sl@0: 				if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy the pixels
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						*pixelPtr = *aSrcPtr++;
sl@0: 						pixelPtr += pixelPtrInc;
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// maskWord is partially masked - process each pixel
sl@0: 					TUint32 singleBitMask = 1;
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			// Non-optimised path.  UserDisplay mode is different to the true display mode
sl@0: 			while (aLength--)
sl@0: 				{
sl@0: 				TUint32 mask = *(aMaskPtr + (aMaskX >> 5)) & (1 << (aMaskX & 0x1F));
sl@0: 				if (aInvertMask)
sl@0: 					{
sl@0: 					mask = !mask;
sl@0: 					}
sl@0: 				if (mask)
sl@0: 					{
sl@0: 					TRgb pixel(*aSrcPtr);
sl@0: 					MapColorToUserDisplayMode(pixel);
sl@0: 					*pixelPtr = pixel.Value();
sl@0: 					}
sl@0: 				aSrcPtr++;
sl@0: 				aMaskX++;
sl@0: 				pixelPtr += pixelPtrInc;
sl@0: 				}
sl@0: 			}
sl@0: 		return;
sl@0: 		}
sl@0: 	else  // (aSrcFormat==EColor64K)
sl@0: 		{
sl@0: 		const TUint16* srcPtr16 = reinterpret_cast<const TUint16*>(aSrcPtr) + aSrcX;
sl@0: 	
sl@0: 		if ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU))
sl@0: 			{
sl@0: 			const TUint16* lowAdd = Convert16to32bppLow();
sl@0: 			const TUint32* highAdd = Convert16to32bppHigh();
sl@0: 			const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 5);
sl@0: 			const TInt startBit = aMaskX & 0x1F;
sl@0: 			
sl@0: 			if (startBit)
sl@0: 				{
sl@0: 				// Process initial incomplete mask word
sl@0: 				TUint32 maskWord = *maskWordPtr++;
sl@0: 				maskWord ^= invertWord;
sl@0: 				TInt numPix = Min(aLength, 32 - startBit);  // number of pixels to process from the first word of the mask
sl@0: 				aLength -= numPix;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked	- skip the pixels
sl@0: 					srcPtr16 += numPix;
sl@0: 					pixelPtr += pixelPtrInc * numPix;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy and convert the pixels
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// maskWord is partially masked - process each of the pixels
sl@0: 					TUint32 singleBitMask = 1 << startBit;
sl@0: 					while (numPix--)
sl@0: 						{
sl@0: 						ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			
sl@0: 			TInt numMaskWords = aLength >> 5;
sl@0: 			aLength &= 0x1F;
sl@0: 			while (numMaskWords--)
sl@0: 				{
sl@0: 				// Process complete mask words
sl@0: 				TUint32 maskWord = *maskWordPtr++;
sl@0: 				maskWord ^= invertWord;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is fully masked - skip 32 pixels
sl@0: 					srcPtr16 += 32;
sl@0: 					pixelPtr += pixelPtrInc << 5;
sl@0: 					}
sl@0: 				else if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy and convert 32 pixels
sl@0: 					const TUint32* srcPtr32 = (const TUint32*)srcPtr16;
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					srcPtr16 = (const TUint16*)srcPtr32;
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// maskWord is partially masked - process each of the 32 pixels					
sl@0: 					TUint32 singleBitMask = 1;
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 					}
sl@0: 				}
sl@0: 			
sl@0: 			if (aLength)
sl@0: 				{
sl@0: 				// Process final incomplete mask word
sl@0: 				TUint32 maskWord = *maskWordPtr;		// this will over-read
sl@0: 				maskWord ^= invertWord;
sl@0: 				
sl@0: 				if (!maskWord)
sl@0: 					{
sl@0: 					// maskWord is masked - skip the pixels
sl@0: 					return;
sl@0: 					}
sl@0: 					
sl@0: 				if (maskWord == 0xFFFFFFFF)
sl@0: 					{
sl@0: 					// maskWord is fully unmasked - copy and convert the pixels
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				else
sl@0: 					{
sl@0: 					// maskWord is partially masked - process each of the pixels
sl@0: 					TUint32 singleBitMask = 1;
sl@0: 					while (aLength--)
sl@0: 						{
sl@0: 						ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd);
sl@0: 						}
sl@0: 					}
sl@0: 				}
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			// Non-optimised - expects aMaskPtr untouched and srcPtr16 to be accurate
sl@0: 			while (aLength--)
sl@0: 				{
sl@0: 				TUint32 mask = *(aMaskPtr + (aMaskX >> 5)) & (1 << (aMaskX & 0x1F));
sl@0: 				if (aInvertMask)
sl@0: 					{
sl@0: 					mask = !mask;
sl@0: 					}
sl@0: 				if (mask)
sl@0: 					{
sl@0: 					const TUint32 src = *srcPtr16;
sl@0: 					TUint32 color = (src & 0xF800) << 8; // R top 5
sl@0: 					color |= (src & 0xE000) << 3; // R bottom 3 
sl@0: 					color |= (src & 0x07E0) << 5; // G top 6
sl@0: 					color |= (src & 0x0600) >> 1; // G bottom 2
sl@0: 					color |= (src & 0x001F) << 3; // B top 5
sl@0: 					color |= (src & 0x001C) >> 2; // B bottom 3
sl@0: 					TRgb pixel(color);
sl@0: 					MapColorToUserDisplayMode(pixel);
sl@0: 					*pixelPtr = pixel.Value();
sl@0: 					}
sl@0: 				pixelPtr += pixelPtrInc;
sl@0: 				srcPtr16++;
sl@0: 				aMaskX++;
sl@0: 				}
sl@0: 			}
sl@0: 		return;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Implementation for CFbsDrawDevice::GetInterface().
sl@0: Retrieves a pointer to a specified interface of CFbsDrawDevice implementation.
sl@0: @param aInterfaceId Interface identifier of the interface to be retrieved.
sl@0: @param aInterface Address of variable that retrieves the specified interface.
sl@0: @return KErrNone If the interface is supported, KErrNotSupported otherwise.
sl@0: */
sl@0: TInt CDrawUTwentyFourBppBitmap::GetInterface(TInt aInterfaceId, TAny*& aInterface)
sl@0: 	{
sl@0: 	aInterface = NULL;
sl@0: 	TInt ret = KErrNotSupported;
sl@0: 	
sl@0: 	switch (aInterfaceId)
sl@0: 		{
sl@0: 		case KFastBlitInterfaceID:
sl@0: 			{
sl@0: 			aInterface = static_cast<MFastBlit*>(this);
sl@0: 			ret = KErrNone;
sl@0: 			break;
sl@0: 			}
sl@0: 		default:
sl@0: 			{
sl@0: 			return CDrawThirtyTwoBppBitmapCommon::GetInterface(aInterfaceId, aInterface);
sl@0: 			}
sl@0: 		}
sl@0: 		
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: TInt CDrawUTwentyFourBppBitmap::WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength,
sl@0: 														TUint32 aOutlinePenColor, TUint32 aShadowColor,
sl@0: 														TUint32 aFillColor, const TUint8* aDataBuffer)
sl@0: 	{
sl@0: 	DeOrientate(aX,aY);
sl@0: 	TUint32* pixelPtr = PixelAddress(aX,aY);
sl@0: 	const TInt pixelPtrInc = PixelAddressIncrement();
sl@0: 	const TUint8* dataBufferPtrLimit = aDataBuffer + aLength;
sl@0: 	TInt blendedRedColor;
sl@0: 	TInt blendedGreenColor;
sl@0: 	TInt blendedBlueColor;
sl@0: 	TInt blendedAlpha;
sl@0: 	TUint8 index = 0;
sl@0: 	TUint32 finalColor;
sl@0: 	const TUint16* normTable = PtrTo16BitNormalisationTable();
sl@0: 
sl@0: 	//Get red color. Equivalent to TRgb::Red()
sl@0: 	const TInt redOutlinePenColor = (aOutlinePenColor & 0xff0000) >> 16;
sl@0: 	const TInt redShadowColor = (aShadowColor & 0xff0000) >> 16;
sl@0: 	const TInt redFillColor = (aFillColor & 0xff0000) >> 16;
sl@0: 
sl@0: 	//Get green color. Equivalent to TRgb::Green()
sl@0: 	const TInt greenOutlinePenColor = (aOutlinePenColor & 0xff00) >> 8;
sl@0: 	const TInt greenShadowColor = (aShadowColor & 0xff00) >> 8;
sl@0: 	const TInt greenFillColor = (aFillColor & 0xff00) >> 8;
sl@0: 
sl@0: 	//Get blue color. Equivalent to TRgb::Blue()
sl@0: 	const TInt blueOutlinePenColor = aOutlinePenColor & 0xff;
sl@0: 	const TInt blueShadowColor = aShadowColor & 0xff;
sl@0: 	const TInt blueFillColor = aFillColor & 0xff;
sl@0: 
sl@0: 	//Get alpha color. Equivalent to TRgb::Alpha()
sl@0: 	const TInt alphaOutlinePenColor = aOutlinePenColor >> 24;
sl@0: 	const TInt alphaShadowColor = aShadowColor >> 24;
sl@0: 	const TInt alphaFillColor = aFillColor >> 24;
sl@0: 
sl@0: 	while (aDataBuffer < dataBufferPtrLimit)
sl@0: 		{
sl@0: 		index = *aDataBuffer++;
sl@0: 		if (255 == FourColorBlendLookup[index][KBackgroundColorIndex])
sl@0: 			{
sl@0: 			//background colour
sl@0: 			//No drawing required
sl@0: 			}
sl@0: 		else if (255 == FourColorBlendLookup[index][KFillColorIndex])
sl@0: 			{
sl@0: 			//Use fill colour to draw
sl@0: 			finalColor = aFillColor;
sl@0: 			AlphaBlendPixelToDest((finalColor | 0xff000000), alphaFillColor, pixelPtr);
sl@0: 			}
sl@0: 		else if (255 == FourColorBlendLookup[index][KShadowColorIndex])
sl@0: 			{
sl@0: 			//Use shadow colour to draw
sl@0: 			finalColor = aShadowColor;
sl@0: 			AlphaBlendPixelToDest((finalColor | 0xff000000), alphaShadowColor, pixelPtr);
sl@0: 			}
sl@0: 		else if (255 == FourColorBlendLookup[index][KOutlineColorIndex])
sl@0: 			{
sl@0: 			//Use outline colour to draw
sl@0: 			finalColor = aOutlinePenColor;
sl@0: 			AlphaBlendPixelToDest((finalColor | 0xff000000), alphaOutlinePenColor, pixelPtr);
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			blendedRedColor = (redOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] * alphaOutlinePenColor + 
sl@0: 						   		redShadowColor * FourColorBlendLookup[index][KShadowColorIndex] * alphaShadowColor +
sl@0: 						  		redFillColor * FourColorBlendLookup[index][KFillColorIndex] * alphaFillColor) >> 16;
sl@0: 
sl@0: 			blendedGreenColor = (greenOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] * alphaOutlinePenColor  + 
sl@0: 								greenShadowColor * FourColorBlendLookup[index][KShadowColorIndex] * alphaShadowColor +
sl@0: 								greenFillColor * FourColorBlendLookup[index][KFillColorIndex] * alphaFillColor) >> 16;
sl@0: 
sl@0: 			blendedBlueColor = (blueOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] * alphaOutlinePenColor  + 
sl@0: 								blueShadowColor * FourColorBlendLookup[index][KShadowColorIndex] * alphaShadowColor +
sl@0: 								blueFillColor * FourColorBlendLookup[index][KFillColorIndex] * alphaFillColor) >> 16;
sl@0: 
sl@0: 			blendedAlpha = (alphaOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] + 
sl@0: 							alphaShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
sl@0: 							alphaFillColor * FourColorBlendLookup[index][KFillColorIndex]) >> 8;
sl@0: 
sl@0: 			finalColor = PMA2NonPMAPixel((blendedAlpha << 24) | (blendedRedColor << 16) | (blendedGreenColor << 8) | blendedBlueColor, normTable);		
sl@0: 			AlphaBlendPixelToDest(finalColor | 0xff000000, blendedAlpha, pixelPtr);
sl@0: 			}
sl@0: 		pixelPtr += pixelPtrInc;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}