--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/directgdiadaptation/swsrc/swdirectgditext.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,818 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "swdirectgdiengine.h"
+#include <bitdrawinterfaceid.h>
+#include <bmalphablend.h>
+
+/**
+@see MDirectGdiEngine::SetFont()
+*/
+void CSwDirectGdiEngine::SetFont(TUint32 /*aFontId*/)
+	{
+	// Do nothing.
+	// The SW adapter doesn't need the font ID to index a separate font cache because it uses the standard one.
+	}
+
+
+/**
+@see MDirectGdiEngine::ResetFont()
+*/
+void CSwDirectGdiEngine::ResetFont()
+	{
+	}
+
+
+/**
+@see MDirectGdiEngine::SetTextShadowColor()
+*/
+void CSwDirectGdiEngine::SetTextShadowColor(const TRgb& aColor)
+	{	
+	iTextShadowColor = aColor;
+	}
+
+/**
+@see MDirectGdiEngine::BeginDrawGlyph()
+*/
+void CSwDirectGdiEngine::BeginDrawGlyph()
+	{
+	}
+
+/**
+@see MDirectGdiEngine::DrawGlyph()
+@panic DGDIAdapter 56, if an invalid glyph bitmap type is passed in.
+*/
+void CSwDirectGdiEngine::DrawGlyph(const TPoint& aScrPos, const TChar /*aChar*/, const TUint8* aGlyphImage,
+								   const TGlyphBitmapType aGlyphBitmapType, const TSize& aGlyphImageSize,
+								   const TRect& aScrClipRect, const DirectGdi::TGraphicsRotation aRotation)
+	{
+	TPoint pos=aScrPos;
+	pos+=iDrawOrigin;
+	TRect clipRect=aScrClipRect;
+	clipRect.iTl+=iDrawOrigin;
+	clipRect.iBr+=iDrawOrigin;
+	TRect regionRect(0, 0, 0, 0);
+	TInt numRects = iDefaultRegionPtr->Count();
+	for (TInt count = 0; count < numRects; count++)
+		{
+		// Do the clip rects intersect?
+		regionRect = (*iDefaultRegionPtr)[count];
+		if (!regionRect.Intersects(clipRect))
+			{
+			// Nothing to draw
+			continue;
+			}
+		// Clip to intersection of two clip rects
+		regionRect.Intersection(clipRect);
+		
+		if (aRotation == DirectGdi::EGraphicsRotationNone)	// Horizontal text
+			{
+			// Do the glyph and the clip rect intersect?
+			TRect glyphRect(pos, aGlyphImageSize);
+			if (!regionRect.Intersects(glyphRect))
+				{
+				// Nothing to draw
+				continue;
+				}
+			// Clip to intersection with glyph bitmap 
+			regionRect.Intersection(glyphRect);
+			
+			switch (aGlyphBitmapType)
+				{
+				case EMonochromeGlyphBitmap:
+					{
+					DrawBitmapGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect);
+					break;
+					}
+				case EAntiAliasedGlyphBitmap:
+					{
+					DrawAntiAliasedGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect);
+					break;
+					}
+				case EFourColourBlendGlyphBitmap:
+					{
+					DrawFourColourGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect);
+					break;
+					}
+				default:
+					GRAPHICS_PANIC_ALWAYS(EDirectGdiPanicInvalidGlyphBitmapType);
+				}
+			}
+		else	// Vertical text
+			{
+			/*
+			// Do the glyph and the clip rect intersect?
+			TRect glyphRect(aPos, aGlyphImageSize);
+			if (!regionRect.Intersects(glyphRect))
+				{
+				// Nothing to draw
+				continue;
+				}
+			// Clip to intersection with glyph bitmap 
+			regionRect.Intersection(glyphRect);
+			*/
+			
+			switch (aGlyphBitmapType)
+				{
+				case EMonochromeGlyphBitmap:
+					{
+					DrawRotatedBitmapGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect, aRotation);
+					break;
+					}
+				case EAntiAliasedGlyphBitmap:
+					{
+					DrawRotatedAntiAliasedGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect, aRotation);
+					break;
+					}
+				case EFourColourBlendGlyphBitmap:
+					{
+					DrawRotatedFourColourGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect, aRotation);
+					break;
+					}
+				default:
+					GRAPHICS_PANIC_ALWAYS(EDirectGdiPanicInvalidGlyphBitmapType);
+				}
+			}
+		// Now display it
+		iDrawDevice->UpdateRegion(regionRect);
+		}
+	}
+
+/**
+@see MDirectGdiEngine::EndDrawGlyph()
+*/
+void CSwDirectGdiEngine::EndDrawGlyph()
+	{
+	}
+
+/**
+Draw a bitmap glyph.
+	
+@param	aPos			Position to start drawing gyph.
+@param	aGlyphImage		Pointer to the glyph image data.
+@param	aGlyphImageSize	Glyph image size.
+@param	aClipRect		Clipping rect.
+*/
+void CSwDirectGdiEngine::DrawBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
+										 const TSize& aGlyphImageSize, const TRect& aClipRect)
+	{
+	// aChar parameter not needed because SW implementation uses the default glyph cache
+	// therefore does not need aChar to index its own local cache
+	
+	/*
+	Divert if the character is large.
+	Large is defined as wider than 30 bits (a scan line won't fit in a TInt32)
+	or greater than 32 bits high (because that's the current array size - could be changed).
+	*/
+	TInt dataHeight = aGlyphImageSize.iHeight;
+	TInt dataLength = aGlyphImageSize.iWidth;
+	if (dataLength > 30 || dataHeight > 32)
+		{
+		DrawLargeBitmapGlyph(aPos, aGlyphImage, aGlyphImageSize, aClipRect);
+		return;
+		}
+	
+	TInt bitIndex = 0;
+	TInt16 repeatCount = 0;
+	TUint32 binaryData[32];
+	TUint32* binaryDataPtr = binaryData;
+	TUint32* binaryDataPtrLimit;
+	for (TInt glyphLine = 0; glyphLine < dataHeight; glyphLine += repeatCount) // for lines in the glyph bitmap
+		{
+		repeatCount = Load16(aGlyphImage + (bitIndex >> 3));
+		repeatCount >>= bitIndex & 7;
+		TInt multiLineFlag = repeatCount & 1;
+		repeatCount >>= 1;
+		repeatCount &= 0xf;
+		bitIndex += 5;
+		binaryDataPtrLimit = binaryData + glyphLine + repeatCount;
+		if (multiLineFlag)
+			{
+			while (binaryDataPtr < binaryDataPtrLimit)
+				{
+				TInt glyphDataOffsetPtr = TInt(aGlyphImage) + (bitIndex >> 3);
+				TUint32* glyphDataWord = (TUint32*)(glyphDataOffsetPtr & ~3);
+				TInt bitShift = bitIndex & 7;
+				bitShift += (glyphDataOffsetPtr & 3) << 3;
+				*binaryDataPtr = (*glyphDataWord++) >> bitShift;
+				if (bitShift)
+					{
+					*binaryDataPtr |= (*glyphDataWord << (32 - bitShift));
+					}
+				bitIndex += dataLength;
+				binaryDataPtr++;
+				}
+			}
+		else
+			{
+			TInt glyphDataOffsetPtr = TInt(aGlyphImage) + (bitIndex >> 3);
+			TUint32* glyphDataWord = (TUint32*)(glyphDataOffsetPtr & ~3);
+			TInt bitShift = bitIndex & 7;
+			bitShift += (glyphDataOffsetPtr & 3) << 3;
+			TUint32 data = (*glyphDataWord++) >> bitShift;
+			if (bitShift)
+				{
+				data |= (*glyphDataWord << (32 - bitShift));
+				}
+			while (binaryDataPtr < binaryDataPtrLimit)
+				{
+				*binaryDataPtr++ = data;
+				}
+			bitIndex += dataLength;
+			}
+		}
+	TPoint topLeft(aPos);
+	binaryDataPtr = ClipBinaryArray(binaryData, binaryData + dataHeight, dataLength, dataHeight, topLeft, aClipRect);
+	if ((dataLength > 0) && (dataHeight > 0))
+		{
+		iDrawDevice->WriteBinary(topLeft.iX, topLeft.iY, binaryDataPtr, dataLength, dataHeight, iPenColor, GcDrawMode(iDrawMode) );
+		}
+	}
+	
+	
+/**
+Draw a large bitmap glyph.
+	
+@param	aPos			Position to start drawing gyph.
+@param	aGlyphImage		Pointer to the glyph image data.
+@param	aGlyphImageSize	Glyph image size.
+@param	aClipRect		Clipping rect.
+*/
+void CSwDirectGdiEngine::DrawLargeBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
+											 const TSize& aGlyphImageSize, const TRect& aClipRect)
+	{
+	TPoint printPos(aPos);
+	const TInt dataLength = aGlyphImageSize.iWidth;
+	const TInt dataHeight = aGlyphImageSize.iHeight;
+	TInt bitIndex = 0;
+	TInt16 repeatCount = 0;
+	TUint32* scanLineBuffer = iDrawDevice->ScanLineBuffer();
+	const TInt scanLineWords = (iDrawDevice->ScanLineBytes()) << 3;
+	for (TInt glyphLine = 0; glyphLine < dataHeight; glyphLine += repeatCount) // for lines in the glyph bitmap
+		{
+		repeatCount = Load16(aGlyphImage + (bitIndex >> 3));
+		repeatCount >>= bitIndex & 7;
+		const TInt multiLineFlag = repeatCount & 1;
+		repeatCount >>= 1;
+		repeatCount &= 0xf;
+		bitIndex += 5;
+		if (multiLineFlag)
+			{
+			for (TInt currentLine = 0; currentLine < repeatCount; currentLine++)
+				{
+				CopyCharLine(scanLineBuffer, scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
+				OutputCharLineMultiplied(printPos, scanLineBuffer, dataLength, 1, aClipRect);
+				bitIndex += dataLength;
+				printPos.iY++;
+				}
+			}
+		else
+			{
+			CopyCharLine(scanLineBuffer, scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
+			OutputCharLineMultiplied(printPos, scanLineBuffer, dataLength, repeatCount, aClipRect);
+			printPos.iY += repeatCount;
+			bitIndex += dataLength;
+			}
+		}
+	}
+
+
+/**
+
+*/
+void CSwDirectGdiEngine::CopyCharLine(TUint32* aBinaryDataPtr, TInt aBufferWords, const TUint8* aData, TInt aBitShift, TInt aCharWidth)
+	{
+	aBitShift &= 7;
+	TInt wordsToCopy = (aCharWidth + 31) >> 5;
+	if (wordsToCopy > aBufferWords)
+		{
+		wordsToCopy = aBufferWords;
+		}
+	TUint32* ptrLimit = aBinaryDataPtr + wordsToCopy;
+	TUint32* dataWord = (TUint32*)(TInt(aData) & ~3);
+	aBitShift += (TInt(aData) - TInt(dataWord)) << 3;
+	while (aBinaryDataPtr < ptrLimit)
+		{
+		*aBinaryDataPtr = *dataWord++;
+		*aBinaryDataPtr >>= aBitShift;
+		if (aBitShift)
+			{
+			*aBinaryDataPtr |= (*dataWord << (32 - aBitShift));
+			}
+		aBinaryDataPtr++;
+		}
+	}
+
+
+/**
+
+*/
+void CSwDirectGdiEngine::OutputCharLineMultiplied(TPoint aPrintPos, TUint32* aBuffer, TInt aDataLength, TInt aNum, const TRect& aClipRect)
+	{
+	if (aDataLength <= 0)
+		{
+		return;
+		}
+	TInt bufferWords = (aDataLength + 31) >> 5;
+	TUint32* bufferLimit = aBuffer + bufferWords;
+	if (aPrintPos.iX < aClipRect.iTl.iX)
+		{
+		TInt pixelExcess = aClipRect.iTl.iX - aPrintPos.iX;
+		while (pixelExcess >= 32)
+			{
+			aBuffer++;
+			bufferWords--;
+			aDataLength -= 32;
+			pixelExcess -= 32;
+			}
+		if (aDataLength <= 0)
+			{
+			return;
+			}
+		if (pixelExcess > 0)
+			{
+			TInt shiftUp = 32 - pixelExcess;
+			TUint32* bufferPtr = aBuffer;
+			while (bufferPtr < bufferLimit)
+				{
+				*bufferPtr >>= pixelExcess;
+				if (bufferPtr < bufferLimit - 1)
+					{
+					*bufferPtr |= (*(bufferPtr + 1) << shiftUp);
+					}
+				bufferPtr++;
+				}
+			aDataLength -= pixelExcess;
+			if (aDataLength <= 0)
+				{
+				return;
+				}
+			}
+		aPrintPos.iX = aClipRect.iTl.iX;
+		}
+	if (aPrintPos.iX + aDataLength > aClipRect.iBr.iX)
+		{
+		TInt pixelExcess = aPrintPos.iX + aDataLength - aClipRect.iBr.iX;
+		aDataLength -= pixelExcess;
+		if (aDataLength <= 0)
+			{
+			return;
+			}
+		}
+	while (aNum > 0)
+		{
+		if ((aPrintPos.iY >= aClipRect.iTl.iY) && (aPrintPos.iY < aClipRect.iBr.iY))
+			{
+			iDrawDevice->WriteBinaryLine(aPrintPos.iX, aPrintPos.iY, aBuffer, aDataLength, iPenColor, GcDrawMode(iDrawMode));
+			}
+		aPrintPos.iY++;
+		aNum--;
+		}
+	}
+
+
+/**
+Draw a rotated bitmap glyph.
+	
+@param	aPos			Position to start drawing glyph after rotation has been applied.
+@param	aGlyphImage		Pointer to the glyph image data.
+@param	aGlyphImageSize	Glyph image size.
+@param	aClipRect		Clipping rect.
+@param	aRotation		Rotation specifying how the glyph will be drawn.
+*/
+void CSwDirectGdiEngine::DrawRotatedBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
+												const TSize& aGlyphImageSize, const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation)
+	{
+	TPoint printPos(aPos);
+	TInt dataLength = aGlyphImageSize.iWidth;
+	TInt dataHeight = aGlyphImageSize.iHeight;
+	TInt bitIndex = 0;
+	TInt16 repeatCount = 0;
+	TInt direction = (aRotation == DirectGdi::EGraphicsRotation270) ? 1 : -1;
+	TUint32* scanLineBuffer = iDrawDevice->ScanLineBuffer();
+	TInt scanLineWords = (iDrawDevice->ScanLineBytes()) << 3;
+	for (TInt glyphLine = 0; glyphLine < dataHeight; glyphLine += repeatCount) // for lines in the glyph bitmap...
+		{
+		repeatCount = Load16(aGlyphImage + (bitIndex >> 3));
+		repeatCount >>= bitIndex & 7;
+		TInt multiLineFlag = repeatCount & 1;
+		repeatCount >>= 1;
+		repeatCount &= 0xf;
+		bitIndex += 5;
+		TInt signedRepeatCount = repeatCount * direction;
+		if (multiLineFlag)
+			{
+			for (TInt currentLine = 0; currentLine < repeatCount; currentLine++)
+				{
+				CopyCharLine(scanLineBuffer, scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
+				OutputCharLineVertical(printPos, scanLineBuffer, dataLength, 1, direction, aClipRect);
+				bitIndex += dataLength;
+				printPos.iX += direction;
+				}
+			}
+		else
+			{
+			CopyCharLine(scanLineBuffer,scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
+			OutputCharLineVertical(printPos, scanLineBuffer, dataLength, repeatCount, direction, aClipRect);
+			printPos.iX += signedRepeatCount;
+			bitIndex += dataLength;
+			}
+		}
+	}
+
+
+/**
+
+*/
+void CSwDirectGdiEngine::OutputCharLineVertical(TPoint aPrintPos, TUint32* aBuffer, TInt aDataLength,
+												TInt aNum, TInt aDirection, const TRect& aClipRect)
+	{
+//	const DirectGdi::TGraphicsRotation rotation = aUp ? DirectGdi::EGraphicsRotation270 : DirectGdi::EGraphicsRotation90;
+//	TInt direction = (aRotation == DirectGdi::EGraphicsRotation270) ? 1 : -1;
+	if (aDataLength <= 0)
+		{
+		return;
+		}
+	TInt bufferWords = (aDataLength + 31) >> 5;
+	TUint32* bufferLimit = aBuffer + bufferWords;
+	if (aDirection == 1)
+		{
+		if (aPrintPos.iY >= aClipRect.iBr.iY)
+			{
+			TInt pixelExcess = aPrintPos.iY - aClipRect.iBr.iY + 1;
+			while (pixelExcess >= 32)
+				{
+				aBuffer++;
+				aDataLength -= 32;
+				pixelExcess -= 32;
+				}
+			if (aDataLength <= 0)
+				{
+				return;
+				}
+			if (pixelExcess > 0)
+				{
+				TInt shiftUp = 32 - pixelExcess;
+				TUint32* bufferPtr = aBuffer;
+				while (bufferPtr < bufferLimit)
+					{
+					*bufferPtr >>= pixelExcess;
+					if (bufferPtr < bufferLimit - 1)
+						*bufferPtr |= (*(bufferPtr + 1) << shiftUp);
+					bufferPtr++;
+					}
+				aDataLength -= pixelExcess;
+				if (aDataLength <= 0)
+					{
+					return;
+					}
+				}
+			aPrintPos.iY = aClipRect.iBr.iY - 1;
+			}
+		if ((aPrintPos.iY - aDataLength) < (aClipRect.iTl.iY - 1))
+			{
+			TInt pixelExcess = aClipRect.iTl.iY - 1 - aPrintPos.iY + aDataLength;
+			aDataLength -= pixelExcess;
+			if (aDataLength <= 0)
+				{
+				return;
+				}
+			}
+		}
+	else
+		{
+		if (aPrintPos.iY < aClipRect.iTl.iY)
+			{
+			TInt pixelExcess = aClipRect.iTl.iY - aPrintPos.iY;
+			while (pixelExcess >= 32)
+				{
+				aBuffer++;
+				aDataLength -= 32;
+				pixelExcess -= 32;
+				}
+			if (aDataLength <= 0)
+				{
+				return;
+				}
+			if (pixelExcess > 0)
+				{
+				TInt shiftup = 32 - pixelExcess;
+				TUint32* bufferptr = aBuffer;
+				while (bufferptr < bufferLimit)
+					{
+					*bufferptr >>= pixelExcess;
+					if (bufferptr < bufferLimit - 1)
+						*bufferptr |= (*(bufferptr + 1) << shiftup);
+					bufferptr++;
+					}
+				aDataLength -= pixelExcess;
+				if (aDataLength <= 0)
+					{
+					return;
+					}
+				}
+			aPrintPos.iY = aClipRect.iTl.iY;
+			}
+		if (aPrintPos.iY + aDataLength > aClipRect.iBr.iY)
+			{
+			TInt pixelExcess = aPrintPos.iY + aDataLength - aClipRect.iBr.iY;
+			aDataLength -= pixelExcess;
+			if (aDataLength <= 0)
+				{
+				return;
+				}
+			}
+		}
+	CGraphicsContext::TDrawMode drawMode = GcDrawMode(iDrawMode);
+	while (aNum > 0)
+		{
+		if ((aPrintPos.iX >= aClipRect.iTl.iX) && (aPrintPos.iX < aClipRect.iBr.iX))
+			iDrawDevice->WriteBinaryLineVertical(aPrintPos.iX, aPrintPos.iY, aBuffer, aDataLength, iPenColor, drawMode, (aDirection == 1));
+		aPrintPos.iX += aDirection;
+		aNum--;
+		}
+	}
+
+
+/**
+Draw an antialiased glyph.
+	
+@param	aPos			Position to start drawing gyph.
+@param	aGlyphImage		Pointer to the glyph image data.
+@param	aGlyphImageSize	Glyph image size.
+@param	aClipRect		Clipping rect.
+*/
+void CSwDirectGdiEngine::DrawAntiAliasedGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
+											  const TSize& aGlyphImageSize, const TRect& aClipRect)
+	{
+	const TInt topRow = Max(0, aClipRect.iTl.iY - aPos.iY);
+	const TInt bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iY - aPos.iY);
+	const TInt leftCol = Max(0, aClipRect.iTl.iX - aPos.iX);
+	const TInt rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iX - aPos.iX);
+	const TUint8* p = aGlyphImage + (topRow * aGlyphImageSize.iWidth) + leftCol;
+	const TInt x = aPos.iX + leftCol;
+	TInt y = aPos.iY + topRow;
+	const TInt cols = rightCol - leftCol;
+
+	for (TInt row = topRow; row < bottomRow; row++, p += aGlyphImageSize.iWidth, y++)
+		{
+		iDrawDevice->WriteRgbAlphaMulti(x, y, cols, iPenColor, p);
+		}
+	}
+
+
+/**
+Draw a rotated antialiased glyph.
+	
+@param	aPos			Position to start drawing gyph after rotation has been applied.
+@param	aGlyphImage		Pointer to the glyph image data.
+@param	aGlyphImageSize	Glyph image size.
+@param	aClipRect		Clipping rect.
+@param	aRotation		Rotation specifying how the glyph will be drawn.
+*/
+void CSwDirectGdiEngine::DrawRotatedAntiAliasedGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
+													 const TSize& aGlyphImageSize, const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation)
+	{
+	const int KBufferSize = 32;
+	TUint8 maskBuffer[KBufferSize];
+	int topRow = 0;
+	int bottomRow = 0;
+	int leftCol = 0;
+	int rightCol = 0;
+	const TUint32 penColor = iPenColor.Internal();
+	const TUint32 brushColor = iBrushColor.Internal();
+	
+	if (aRotation == DirectGdi::EGraphicsRotation270)
+		{
+		topRow = Max(0, aClipRect.iTl.iX - aPos.iX);
+		bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iX - aPos.iX);
+		leftCol = Max(0, aPos.iY - aClipRect.iBr.iY + 1);
+		rightCol = Min(aGlyphImageSize.iWidth, aPos.iY - aClipRect.iTl.iY + 1);
+		TInt y = aPos.iY - (rightCol - 1);
+		for (TInt col = rightCol - 1; col >= leftCol; col--, y++)
+			{
+			TInt x = aPos.iX + topRow;
+			for (TInt row = topRow; row < bottomRow; row += KBufferSize, x += KBufferSize)
+				{
+				TInt length = KBufferSize;
+				if (length > bottomRow - row)
+					{
+					length = bottomRow - row;
+					}
+				const TUint8* p = aGlyphImage + row * aGlyphImageSize.iWidth + col;
+				for (TInt i = 0; i < length; i++, p += aGlyphImageSize.iWidth)
+					{
+					maskBuffer[i] = *p;
+					}
+				iDrawDevice->WriteRgbAlphaMulti(x, y, length, iPenColor, maskBuffer);
+				}
+			}
+		}
+	else
+		{
+		topRow = Max(0, aPos.iX - aClipRect.iBr.iX + 1);
+		bottomRow = Min(aGlyphImageSize.iHeight, aPos.iX - aClipRect.iTl.iX + 1);
+		leftCol = Max(0, aClipRect.iTl.iY - aPos.iY);
+		rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iY - aPos.iY);
+		int y = aPos.iY + leftCol;
+		for (TInt col = leftCol; col < rightCol; col++, y++)
+			{
+			TInt x = aPos.iX - (bottomRow - 1);
+			for (TInt row = bottomRow; row > topRow; row -= KBufferSize, x += KBufferSize)
+				{
+				int length = KBufferSize;
+				if (length > row - topRow)
+					length = row - topRow;
+				const TUint8* p = aGlyphImage + (row - 1) * aGlyphImageSize.iWidth + col;
+				for (TInt i = 0; i < length; i++, p -= aGlyphImageSize.iWidth)
+					{
+					maskBuffer[i] = *p;
+					}
+				iDrawDevice->WriteRgbAlphaMulti(x, y, length, iPenColor, maskBuffer);
+				}
+			}
+		}
+	}
+
+
+/**
+Draw a four colour glyph.
+	
+@param	aPos			Position to start drawing gyph.
+@param	aGlyphImage		Pointer to the glyph image data.
+@param	aGlyphImageSize	Glyph image size.
+@param	aClipRect		Clipping rect.
+*/
+void CSwDirectGdiEngine::DrawFourColourGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
+											 const TSize& aGlyphImageSize, const TRect& aClipRect)
+	{
+	const TInt topRow = Max(0, aClipRect.iTl.iY - aPos.iY);
+	const TInt bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iY - aPos.iY);
+	const TInt leftCol = Max(0, aClipRect.iTl.iX - aPos.iX);
+	const TInt rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iX - aPos.iX);
+	const TUint8* p = aGlyphImage + (topRow * aGlyphImageSize.iWidth) + leftCol;
+	const TInt x = aPos.iX + leftCol;
+	TInt y = aPos.iY + topRow;
+	const TInt cols = rightCol - leftCol;
+	const TUint32 penColor = iPenColor.Internal();
+	const TUint32 shadowColor = iTextShadowColor.Internal();
+	const TUint32 brushColor = iBrushColor.Internal();
+
+	MOutlineAndShadowBlend* outlineAndShadow = NULL;
+	const TInt err = iDrawDevice->GetInterface(KOutlineAndShadowInterfaceID, reinterpret_cast <TAny*&> (outlineAndShadow));
+	if (err == KErrNone) 
+		{
+		//There is a support for the interface with KOutlineAndShadowInterface id.
+		for (TInt row = topRow; row < bottomRow; row++, p += aGlyphImageSize.iWidth, y++)
+			{
+			outlineAndShadow->WriteRgbOutlineAndShadow(x, y, cols, penColor, shadowColor, brushColor, p);
+			}
+		}
+	else
+		{
+		// Assert if MOutlineAndShadowBlend interface is not implemented
+		GRAPHICS_ASSERT_DEBUG(outlineAndShadow, EDirectGdiPanicInvalidInterfaceHandle);
+		}
+	}
+
+
+/**
+Draw a rotated four colour glyph.
+	
+@param	aPos			Position to start drawing gyph after rotation has been applied.
+@param	aGlyphImage		Pointer to the glyph image data.
+@param	aGlyphImageSize	Glyph image size.
+@param	aClipRect		Clipping rect.
+@param	aRotation		Rotation specifying how the glyph will be drawn.
+*/
+void CSwDirectGdiEngine::DrawRotatedFourColourGlyph(const TPoint& aPos, const TUint8* aGlyphImage, const TSize& aGlyphImageSize,
+													const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation)
+	{
+	const int KBufferSize = 32;
+	TUint8 maskBuffer[KBufferSize];
+	int topRow = 0;
+	int bottomRow = 0;
+	int leftCol = 0;
+	int rightCol = 0;
+	const TUint32 penColor = iPenColor.Internal();
+	const TUint32 shadowColor = iTextShadowColor.Internal();
+	const TUint32 brushColor = iBrushColor.Internal();
+	
+	MOutlineAndShadowBlend* outlineAndShadow = NULL;
+	TInt err = iDrawDevice->GetInterface(KOutlineAndShadowInterfaceID, reinterpret_cast <TAny*&> (outlineAndShadow));
+	if(err != KErrNone)
+		{
+		// Assert if MOutlineAndShadowBlend interface is not implemented
+		GRAPHICS_ASSERT_DEBUG(outlineAndShadow, EDirectGdiPanicInvalidInterfaceHandle);
+		}
+	
+	if (aRotation == DirectGdi::EGraphicsRotation270)
+		{
+		topRow = Max(0, aClipRect.iTl.iX - aPos.iX);
+		bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iX - aPos.iX);
+		leftCol = Max(0, aPos.iY - aClipRect.iBr.iY + 1);
+		rightCol = Min(aGlyphImageSize.iWidth, aPos.iY - aClipRect.iTl.iY + 1);
+		TInt y = aPos.iY - (rightCol - 1);
+		for (TInt col = rightCol - 1; col >= leftCol; col--, y++)
+			{
+			TInt x = aPos.iX + topRow;
+			for (TInt row = topRow; row < bottomRow; row += KBufferSize, x += KBufferSize)
+				{
+				TInt length = KBufferSize;
+				if (length > bottomRow - row)
+					{
+					length = bottomRow - row;
+					}
+				const TUint8* p = aGlyphImage + row * aGlyphImageSize.iWidth + col;
+				for (TInt i = 0; i < length; i++, p += aGlyphImageSize.iWidth)
+					{
+					maskBuffer[i] = *p;
+					}
+				//There is a support for the interface with KOutlineAndShadowInterface id.
+				outlineAndShadow->WriteRgbOutlineAndShadow(x, y, length, penColor, shadowColor,	brushColor, maskBuffer);
+				}
+			}
+		}
+	else
+		{
+		topRow = Max(0, aPos.iX - aClipRect.iBr.iX + 1);
+		bottomRow = Min(aGlyphImageSize.iHeight, aPos.iX - aClipRect.iTl.iX + 1);
+		leftCol = Max(0, aClipRect.iTl.iY - aPos.iY);
+		rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iY - aPos.iY);
+		int y = aPos.iY + leftCol;
+		for (TInt col = leftCol; col < rightCol; col++, y++)
+			{
+			TInt x = aPos.iX - (bottomRow - 1);
+			for (TInt row = bottomRow; row > topRow; row -= KBufferSize, x += KBufferSize)
+				{
+				int length = KBufferSize;
+				if (length > row - topRow)
+					length = row - topRow;
+				const TUint8* p = aGlyphImage + (row - 1) * aGlyphImageSize.iWidth + col;
+				for (TInt i = 0; i < length; i++, p -= aGlyphImageSize.iWidth)
+					{
+					maskBuffer[i] = *p;
+					}
+				//There is a support for the interface with KOutlineAndShadowInterface id.
+				outlineAndShadow->WriteRgbOutlineAndShadow(x, y, length, penColor, shadowColor,	brushColor, maskBuffer);
+				}
+			}
+		}
+	}
+
+
+/**
+Helper function to clip the array to the clip rect.
+
+@param	aArray		Start of array of data to be clipped.
+@param	aArrayLimit	End of array of data to be clipped.
+@param	aDataWd 	Length of data.
+@param	aDataHt		Height of data.
+@param	aPos		Position to start drawing from.
+@param	aClipRect	Rectangle to clip data array to.
+
+@return Pointer to array of clipped data.
+*/
+TUint32* CSwDirectGdiEngine::ClipBinaryArray(TUint32* aArray, TUint32* aArrayLimit, TInt& aDataWd, TInt& aDataHt, TPoint& aPos, const TRect& aClipRect)
+	{
+	TUint32* arrayPtr = aArray;
+	TInt clipDiff = aClipRect.iTl.iX - aPos.iX;
+	if (clipDiff > 0)
+		{
+		while (arrayPtr < aArrayLimit)
+			{
+			*arrayPtr++ >>= clipDiff;
+			}
+		aDataWd -= clipDiff;
+		aPos.iX = aClipRect.iTl.iX;
+		arrayPtr = aArray;
+		}
+	if ((aPos.iX + aDataWd > aClipRect.iBr.iX) && (aDataWd > 0))
+		{
+		aDataWd = aClipRect.iBr.iX - aPos.iX;
+		}
+	clipDiff = aClipRect.iTl.iY - aPos.iY;
+	if (clipDiff > 0)
+		{
+		aDataHt -= clipDiff;
+		arrayPtr += clipDiff;
+		aPos.iY = aClipRect.iTl.iY;
+		}
+	if (((aPos.iY + aDataHt) > (aClipRect.iBr.iY)) && (aDataHt > 0))
+		{
+		aDataHt = aClipRect.iBr.iY - aPos.iY;
+		}
+	return arrayPtr;
+	}