--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/screendriver/sbit/BMDRAW4C.CPP Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,1123 @@
+// 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:
+//
+
+#include "BMDRAW.H"
+
+const TInt color16ShadowTable[16] = {
+ 0, 0, 0, 0, 0, 2, 3, 4,
+ 11, 12, 13, 0, 0, 0, 1, 14
+ };
+
+const TInt KPixelsPerWord = 8;
+const TInt KPixelsPerByte = 2;
+const TInt KBitsPerPixel = 4;
+
+// CDrawFourBppBitmapColor
+
+//Initializes iSize, iDrawRect, iLongWidth, iScanlineWords data members.
+//It should be called every time when iSize is going to be changed - from Construct().
+//@param aSize Physical screen size in pixels.
+//@panic EScreenDriverPanicInvalidSize - Invalid aSize parameter. This might happen if the
+//device is scaled and the scaling origin goes outside physical drawing rectangle.
+void CDrawFourBppBitmapColor::SetSize(const TSize& aSize)
+ {
+ CDrawBitmap::SetSize(aSize);
+ __ASSERT_DEBUG(iSize == aSize, User::Invariant());
+ iLongWidth = (iSize.iWidth + (KPixelsPerWord - 1)) & ~(KPixelsPerWord - 1);
+ iScanLineWords = iLongWidth / KPixelsPerWord;
+ }
+
+TInt CDrawFourBppBitmapColor::Construct(TSize aSize)
+ {
+ return Construct(aSize, ((aSize.iWidth + (KPixelsPerWord - 1)) & ~(KPixelsPerWord - 1)) / KPixelsPerByte);
+ }
+
+TInt CDrawFourBppBitmapColor::Construct(TSize aSize, TInt aStride)
+ {
+ iBits = NULL;
+ iDispMode = EColor16;
+ CDrawBitmap::SetSize(aSize);
+ __ASSERT_DEBUG(iSize == aSize, User::Invariant());
+ if (aStride & 3)
+ return KErrArgument;
+ iLongWidth = aStride * KPixelsPerByte;
+ if (iLongWidth < aSize.iWidth)
+ return KErrArgument;
+ iScanLineWords = aStride >> 2;
+ TInt size = 1 + (Max(aSize.iWidth,aSize.iHeight) >> 1);
+ if(size < 0)
+ return KErrArgument;
+ iScanLineBuffer = (TUint32*)(User::Heap().Alloc(size));
+ if (iScanLineBuffer == NULL)
+ return KErrNoMemory;
+ return KErrNone;
+ }
+
+void CDrawFourBppBitmapColor::Shadow(TRgb& aColor)
+ {
+ if (iShadowMode & EFade)
+ aColor = FadeRgb(TRgb::Color16(aColor.Color16()));
+
+ if (iShadowMode & EShadow)
+ aColor = TRgb::Color16(color16ShadowTable[aColor.Color16()]);
+ }
+
+TUint32 CDrawFourBppBitmapColor::ShadowWord(TUint32 aWord)
+ {
+ TUint32 shadowWord = color16ShadowTable[aWord & 0xf];
+
+ shadowWord |= color16ShadowTable[(aWord >> 4) & 0xf] << 4;
+ shadowWord |= color16ShadowTable[(aWord >> 8) & 0xf] << 8;
+ shadowWord |= color16ShadowTable[(aWord >> 12) & 0xf] << 12;
+ shadowWord |= color16ShadowTable[(aWord >> 16) & 0xf] << 16;
+ shadowWord |= color16ShadowTable[(aWord >> 20) & 0xf] << 20;
+ shadowWord |= color16ShadowTable[(aWord >> 24) & 0xf] << 24;
+ shadowWord |= color16ShadowTable[(aWord >> 28) & 0xf] << 28;
+
+ return shadowWord;
+ }
+
+TUint32 CDrawFourBppBitmapColor::FadeWord(TUint32 aWord)
+ {
+ TUint32 fadeWord = FadeRgb(TRgb::Color16(aWord & 0xf)).Color16();
+
+ fadeWord |= FadeRgb(TRgb::Color16((aWord >> 4) & 0xf)).Color16() << 4;
+ fadeWord |= FadeRgb(TRgb::Color16((aWord >> 8) & 0xf)).Color16() << 8;
+ fadeWord |= FadeRgb(TRgb::Color16((aWord >> 12) & 0xf)).Color16() << 12;
+ fadeWord |= FadeRgb(TRgb::Color16((aWord >> 16) & 0xf)).Color16() << 16;
+ fadeWord |= FadeRgb(TRgb::Color16((aWord >> 20) & 0xf)).Color16() << 20;
+ fadeWord |= FadeRgb(TRgb::Color16((aWord >> 24) & 0xf)).Color16() << 24;
+ fadeWord |= FadeRgb(TRgb::Color16((aWord >> 28) & 0xf)).Color16() << 28;
+
+ return fadeWord;
+ }
+
+TUint32 CDrawFourBppBitmapColor::ColorInt(TRgb aColor) const
+ {
+ TUint32 colorWord = aColor.Color16();
+
+ colorWord |= colorWord << 4;
+ colorWord |= colorWord << 8;
+ colorWord |= colorWord << 16;
+
+ return colorWord;
+ }
+
+void CDrawFourBppBitmapColor::InvertBuffer(TInt aLength,TUint32* aBuffer)
+ {
+ const TUint32* bufferLimit = aBuffer + ((aLength + KPixelsPerWord - 1) / KPixelsPerWord);
+
+ while (aBuffer < bufferLimit)
+ *aBuffer++ ^= 0xffffffff;
+ }
+
+/** Copies a number of pixels into a word-aligned buffer without format translation.
+ Note that the byte length to the target buffer is honoured,
+ but the end contents of the last byte are generally overwritten with extra pixel data (or garbage)
+ Note that I am assuming the compiler optimiser will convert all these divides and multiplies into shifts!
+@param aX x coordinate to start copy from (need not be aligned at all)
+@param aY y coordinate to copy line from
+@param aLength number of pixels to copy
+@param aBuffer target word-aligned buffer (but may or may not be word length)
+ **/
+void CDrawFourBppBitmapColor::ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const
+ {
+ TUint32* pixelPtr = ScanLine(aY);
+ TInt startLongPix = aX & -KPixelsPerWord;
+ pixelPtr += startLongPix / KPixelsPerWord;
+ TUint32* bufferPtr = (TUint32*)aBuffer;
+ TInt wordsCnt = (aLength+KPixelsPerByte-1) / KPixelsPerWord; //how many words to write to target
+ TInt restPixels = aLength - wordsCnt * KPixelsPerWord; //how many pixels left to copy
+ TInt bytesCnt = (restPixels+KPixelsPerByte-1) / KPixelsPerByte ; //how many target bytes to copy
+ TInt shiftBits = aX - startLongPix;
+ restPixels=shiftBits+restPixels; //How many pixels are read from the second word by the final word copy
+ if (bytesCnt==0 && shiftBits && restPixels<=0)
+ {
+ // This correction is required because although a last whole word will be written to the target buffer,
+ // this special test indicates that the required significant data bits plus the shift
+ // add up to one word (or less) to be read.
+ // The copy words optimisation used to copy the main body of the line
+ // will read from the next location after the copy,
+ // but this may not always be accessable memory (on the last scanline)
+ // The correction is not required if the second word would need to be read anyway.
+ //eg we want to copy 7 nibbles with a 1 nibble shift (16 color), restpixels would be 0
+ bytesCnt=4;
+ wordsCnt--;
+ }
+ //How many pixels are read from the second word in the final byte copy?
+ //If zero (or less) then the second word should not be read in the copy bytes phase
+ //really this should be an else of the if above, but this gives the same end condition.
+ //eg we want to copy 5 nibbles with a 2 nibble shift (16 color), restpixels would be -1.
+ restPixels-=KPixelsPerWord;
+ ReadLineCommon(pixelPtr,bufferPtr,wordsCnt,restPixels,bytesCnt,shiftBits*KBitsPerPixel);
+ }
+
+
+TRgb CDrawFourBppBitmapColor::ReadRgbNormal(TInt aX,TInt aY) const
+ {
+ TUint32 col = *(ScanLine(aY) + (aX / KPixelsPerWord));
+ col >>= ((aX & 7) * KBitsPerPixel);
+ return TRgb::Color16(col & 0xf);
+ }
+
+void CDrawFourBppBitmapColor::ShadowArea(const TRect& aRect)
+ {
+ __ASSERT_DEBUG(aRect.iTl.iX>=0 && aRect.iBr.iX<=iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds));
+ __ASSERT_DEBUG(aRect.iTl.iY>=0 && aRect.iBr.iY<=iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
+
+ const TInt startLong = (aRect.iTl.iX + KPixelsPerWord - 1) & ~7;
+ const TInt finishLong = aRect.iBr.iX & ~7;
+ const TInt startShift = (startLong - aRect.iTl.iX) * KBitsPerPixel;
+ const TInt finishShift = (KPixelsPerWord - aRect.iBr.iX + finishLong) * KBitsPerPixel;
+ TUint32* base = ScanLine(aRect.iTl.iY);
+
+ if (iShadowMode & EFade)
+ {
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
+ const TUint32 inverseMask = ~mask;
+
+ for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
+ {
+ const TUint32 faded = FadeWord(pixelPtrLimit[0]) & mask;
+ pixelPtrLimit[0] &= inverseMask;
+ pixelPtrLimit[0] |= faded;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+ else
+ {
+ for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
+ {
+ if (aRect.iTl.iX < startLong)
+ pixelPtr[-1] = PasteInt(pixelPtr[-1],FadeWord(pixelPtr[-1]),startShift);
+
+ for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
+ tempPixelPtr[0] = FadeWord(tempPixelPtr[0]);
+
+ if (finishLong < aRect.iBr.iX)
+ pixelPtrLimit[0] = PasteInt(FadeWord(pixelPtrLimit[0]),pixelPtrLimit[0],finishShift);
+
+ pixelPtr += iScanLineWords;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+ }
+
+ if (iShadowMode & EShadow)
+ {
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
+ const TUint32 inverseMask = ~mask;
+
+ for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
+ {
+ TUint32 shadowed = ShadowWord(pixelPtrLimit[0]) & mask;
+ pixelPtrLimit[0] &= inverseMask;
+ pixelPtrLimit[0] |= shadowed;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+ else
+ {
+ for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
+ {
+ if (aRect.iTl.iX < startLong)
+ pixelPtr[-1] = PasteInt(pixelPtr[-1],ShadowWord(pixelPtr[-1]),startShift);
+
+ for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
+ tempPixelPtr[0] = ShadowWord(tempPixelPtr[0]);
+
+ if (finishLong < aRect.iBr.iX)
+ pixelPtrLimit[0] = PasteInt(ShadowWord(pixelPtrLimit[0]),pixelPtrLimit[0],finishShift);
+
+ pixelPtr += iScanLineWords;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+ }
+ }
+
+void CDrawFourBppBitmapColor::ShadowBuffer(TInt aLength,TUint32* aBuffer)
+ {
+ __ASSERT_DEBUG(aBuffer != NULL,Panic(EScreenDriverPanicInvalidParameter));
+
+ const TUint32* bufferLimit = aBuffer + ((aLength + KPixelsPerWord - 1) / KPixelsPerWord);
+
+ if (iShadowMode & EFade)
+ {
+ for (TUint32* buffer = aBuffer; buffer < bufferLimit; buffer++)
+ buffer[0] = FadeWord(buffer[0]);
+ }
+
+ if (iShadowMode & EShadow)
+ {
+ for (TUint32* buffer = aBuffer; buffer < bufferLimit; buffer++)
+ buffer[0] = ShadowWord(buffer[0]);
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteRgb(TInt aX,TInt aY,TRgb aColor)
+ {
+ TUint32* pixelPtr = ScanLine(aY) + (aX / KPixelsPerWord);
+ const TInt shift = (aX & 7) * KBitsPerPixel;
+ pixelPtr[0] &= ~(0xf << shift);
+ pixelPtr[0] |= aColor.Color16() << shift;
+ }
+
+void CDrawFourBppBitmapColor::WriteBinary(TInt aX,TInt aY,TUint32* aData,TInt aLength,TInt aHeight,TRgb aColor)
+ {
+ const TInt xLimit = aX + aLength;
+ const TInt yLimit = aY + aHeight;
+ const TUint8 color16 = TUint8(aColor.Color16());
+
+ for (; aY < yLimit; aY++,aData++)
+ {
+ TUint32 dataMask = 1;
+ TUint8* pixelPtr = (TUint8*)ScanLine(aY);
+ pixelPtr += aX / 2;
+
+ if (color16)
+ {
+ for (TInt x = aX; x < xLimit; x++,dataMask <<= 1)
+ {
+ if (aData[0] & dataMask)
+ {
+ if (x & 1)
+ pixelPtr[0] = TUint8((color16 << 4) | (pixelPtr[0] & 0x0f));
+ else
+ pixelPtr[0] = TUint8((pixelPtr[0] & 0xf0) | color16);
+ }
+
+ if (x & 1)
+ pixelPtr++;
+ }
+ }
+ else
+ {
+ TUint8 bytemask = TUint8((aX & 1) ? 0x0f : 0xf0);
+
+ for (TInt x = aX; x < xLimit; x++,dataMask <<= 1,bytemask = (TUint8)~bytemask)
+ {
+ if (aData[0] & dataMask)
+ pixelPtr[0] &= bytemask;
+
+ if (x & 1)
+ pixelPtr++;
+ }
+ }
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteBinaryOp(TInt aX,TInt aY,TUint32* aData,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode)
+ {
+ const TInt xLimit = aX + aLength;
+ const TInt yLimit = aY + aHeight;
+ const TInt color16 = aColor.Color16();
+
+ for (; aY < yLimit; aY++)
+ {
+ TUint32 dataMask = 1;
+ TUint8* pixelPtr = ((TUint8*)ScanLine(aY)) + (aX / 2);
+ TUint8 bytemask = TUint8((aX & 1) ? 0x0f : 0xf0);
+
+ if (color16)
+ {
+ for (TInt x = aX; x < xLimit; x++,dataMask <<= 1,bytemask = (TUint8)~bytemask)
+ {
+ if (aData[0] & dataMask)
+ {
+ TUint8 pixelColorIndex = TUint8((x & 1) ? color16 << 4 : color16);
+ if (aDrawMode == CGraphicsContext::EDrawModeXOR)
+ pixelPtr[0] = (TUint8)(pixelColorIndex ^ pixelPtr[0]);
+ else if (aDrawMode == CGraphicsContext::EDrawModeAND)
+ pixelPtr[0] = (TUint8)((pixelColorIndex | bytemask) & pixelPtr[0]);
+ else if (aDrawMode == CGraphicsContext::EDrawModeOR)
+ pixelPtr[0] = (TUint8)(pixelColorIndex | pixelPtr[0]);
+ }
+
+ if (x & 1)
+ pixelPtr++;
+ }
+ }
+ else
+ {
+ if (aDrawMode == CGraphicsContext::EDrawModeAND)
+ {
+ for (TInt x = aX; x < xLimit; x++,dataMask <<= 1,bytemask = (TUint8)~bytemask)
+ {
+ if (aData[0] & dataMask)
+ pixelPtr[0] &= bytemask;
+
+ if (x & 1)
+ pixelPtr++;
+ }
+ }
+ }
+
+ aData++;
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aData,TInt aLength,TRgb aColor,TBool aUp)
+ {
+ const TInt yLimit = aY + (aUp ? -aLength : aLength);
+ TUint32 color16 = aColor.Color16();
+ const TInt scanLineWords = aUp ? -iScanLineWords : iScanLineWords;
+ const TInt startWord = aX / KPixelsPerWord;
+ const TInt startShift = (aX & 7) * KBitsPerPixel;
+ TUint32* pixelPtr = ScanLine(aY) + startWord;
+ const TUint32* pixelPtrLimit = ScanLine(yLimit) + startWord;
+ const TUint32 mask = ~(0xf << startShift);
+ TUint32 dataMask = 1;
+
+ if (color16)
+ {
+ color16 <<= startShift;
+ while (pixelPtr != pixelPtrLimit)
+ {
+ if (!dataMask)
+ {
+ dataMask = 1;
+ aData++;
+ }
+
+ if (aData[0] & dataMask)
+ {
+ pixelPtr[0] &= mask;
+ pixelPtr[0] |= color16;
+ }
+
+ dataMask <<= 1;
+ pixelPtr += scanLineWords;
+ }
+ }
+ else
+ {
+ while (pixelPtr != pixelPtrLimit)
+ {
+ if (!dataMask)
+ {
+ dataMask = 1;
+ aData++;
+ }
+
+ if (aData[0] & dataMask)
+ pixelPtr[0] &= mask;
+
+ dataMask <<= 1;
+ pixelPtr += scanLineWords;
+ }
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
+
+ pixelPtrLimit[0] &= ~mask;
+ pixelPtrLimit[0] |= (aBuffer[0] << startShiftExtra) & mask;
+ pixelPtrLimit += iScanLineWords;
+ return;
+ }
+
+ const TInt wordsToCopy = pixelPtrLimit - pixelPtr;
+
+ if (startShift > 0)
+ {
+ pixelPtr[-1] = PasteInt(pixelPtr[-1],aBuffer[0] << startShiftExtra,startShift);
+
+ CopyOffset(pixelPtr,aBuffer,wordsToCopy,startShift);
+
+ aBuffer += wordsToCopy;
+
+ if (finishLong < aX + aLength)
+ {
+ TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
+ pixelPtrLimit[0] = PasteInt(first,pixelPtrLimit[0],finishShift);
+ }
+ }
+ else
+ {
+ Mem::Copy(pixelPtr,aBuffer,wordsToCopy * sizeof(TUint32));
+
+ aBuffer += wordsToCopy;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] = PasteInt(aBuffer[0],pixelPtrLimit[0],finishShift);
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ pixelPtrLimit[0] ^= (aBuffer[0] << startShiftExtra) & (0xffffffff >> finishShift);
+ pixelPtrLimit += iScanLineWords;
+ return;
+ }
+
+ if (startShift > 0)
+ {
+ pixelPtr[-1] ^= PasteInt(0,aBuffer[0] << startShiftExtra,startShift);
+
+ while (pixelPtr < pixelPtrLimit)
+ {
+ pixelPtr[0] ^= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
+
+ pixelPtr++;
+ aBuffer++;
+ }
+
+ if (finishLong < aX + aLength)
+ {
+ TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
+ pixelPtrLimit[0] ^= PasteInt(first,0,finishShift);
+ }
+ }
+ else
+ {
+ while (pixelPtr < pixelPtrLimit)
+ *pixelPtr++ ^= *aBuffer++;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] ^= PasteInt(aBuffer[0],0,finishShift);
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
+
+ pixelPtrLimit[0] &= (aBuffer[0] << startShiftExtra) | ~mask;
+ pixelPtrLimit += iScanLineWords;
+ return;
+ }
+
+ if (startShift > 0)
+ {
+ pixelPtr[-1] &= PasteInt(0xffffffff,aBuffer[0] << startShiftExtra,startShift);
+
+ while (pixelPtr < pixelPtrLimit)
+ {
+ pixelPtr[0] &= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
+
+ pixelPtr++;
+ aBuffer++;
+ }
+
+ if (finishLong < aX + aLength)
+ {
+ TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
+ pixelPtrLimit[0] &= PasteInt(first,0xffffffff,finishShift);
+ }
+ }
+ else
+ {
+ while (pixelPtr < pixelPtrLimit)
+ *pixelPtr++ &= *aBuffer++;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] &= PasteInt(aBuffer[0],0xffffffff,finishShift);
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ pixelPtrLimit[0] |= (aBuffer[0] << startShiftExtra) & (0xffffffff >> finishShift);
+ pixelPtrLimit += iScanLineWords;
+ return;
+ }
+
+ if (startShift > 0)
+ {
+ pixelPtr[-1] |= PasteInt(0,aBuffer[0] << startShiftExtra,startShift);
+
+ while (pixelPtr < pixelPtrLimit)
+ {
+ pixelPtr[0] |= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
+
+ pixelPtr++;
+ aBuffer++;
+ }
+
+ if (finishLong < aX + aLength)
+ {
+ TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
+ pixelPtrLimit[0] |= PasteInt(first,0,finishShift);
+ }
+ }
+ else
+ {
+ while (pixelPtr < pixelPtrLimit)
+ *pixelPtr++ |= *aBuffer++;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] |= PasteInt(aBuffer[0],0,finishShift);
+ }
+ }
+
+/**
+MAlphaBlend::WriteRgbAlphaLine() implementation.
+@see MAlphaBlend::WriteRgbAlphaLine()
+*/
+void CDrawFourBppBitmapColor::WriteRgbAlphaLine(TInt aX, TInt aY, TInt aLength,
+ const TUint8* aRgbBuffer,
+ const TUint8* aMaskBuffer,
+ MAlphaBlend::TShadowing aShadowing,
+ CGraphicsContext::TDrawMode /*aDrawMode*/)
+ {
+ TUint8* pixelPtr = REINTERPRET_CAST(TUint8*,ScanLine(aY)) + (aX / 2);
+ TRgb pixelColor;
+
+ if (aX & 1)
+ {
+ TRgb srcColor(aRgbBuffer[2],aRgbBuffer[1],aRgbBuffer[0]);
+ if(aShadowing == MAlphaBlend::EShdwBefore)
+ {
+ Shadow(srcColor);
+ }
+ pixelColor = ::AlphaBlend(srcColor,TRgb::Color16(pixelPtr[0] >> 4),aMaskBuffer[0]);
+ if(aShadowing == MAlphaBlend::EShdwAfter)
+ {
+ Shadow(pixelColor);
+ }
+ MapColorToUserDisplayMode(pixelColor);
+ pixelPtr[0] &= 0x0f;
+ pixelPtr[0] |= TUint8(pixelColor.Color16() << 4);
+
+ pixelPtr++;
+ aRgbBuffer += 4;
+ aMaskBuffer++;
+ aLength--;
+ }
+
+ const TUint8* pixelPtrLimit = pixelPtr + (aLength / 2);
+ TRgb pixelColor1, pixelColor2;
+
+ while (pixelPtr < pixelPtrLimit)
+ {
+ TRgb srcColor1(aRgbBuffer[2],aRgbBuffer[1],aRgbBuffer[0]);
+ if(aShadowing == MAlphaBlend::EShdwBefore)
+ {
+ Shadow(srcColor1);
+ }
+ pixelColor1 = ::AlphaBlend(srcColor1,TRgb::Color16(pixelPtr[0] & 0x0f),aMaskBuffer[0]);
+ if(aShadowing == MAlphaBlend::EShdwAfter)
+ {
+ Shadow(pixelColor1);
+ }
+ MapColorToUserDisplayMode(pixelColor1);
+
+ TRgb srcColor2(aRgbBuffer[6],aRgbBuffer[5],aRgbBuffer[4]);
+ if(aShadowing == MAlphaBlend::EShdwBefore)
+ {
+ Shadow(srcColor2);
+ }
+ pixelColor2 = ::AlphaBlend(srcColor2,TRgb::Color16(pixelPtr[0] >> 4),aMaskBuffer[1]);
+ if(aShadowing == MAlphaBlend::EShdwAfter)
+ {
+ Shadow(pixelColor2);
+ }
+ MapColorToUserDisplayMode(pixelColor2);
+
+ pixelPtr[0] = TUint8(pixelColor1.Color16());
+ pixelPtr[0] |= TUint8(pixelColor2.Color16() << 4);
+
+ pixelPtr++;
+ aRgbBuffer += 8;
+ aMaskBuffer += 2;
+ }
+
+ if (aLength & 1)
+ {
+ TRgb srcColor(aRgbBuffer[2],aRgbBuffer[1],aRgbBuffer[0]);
+ if(aShadowing == MAlphaBlend::EShdwBefore)
+ {
+ Shadow(srcColor);
+ }
+ pixelColor = ::AlphaBlend(srcColor,TRgb::Color16(pixelPtr[0] & 0x0f),aMaskBuffer[0]);
+ if(aShadowing == MAlphaBlend::EShdwAfter)
+ {
+ Shadow(pixelColor);
+ }
+ MapColorToUserDisplayMode(pixelColor);
+ pixelPtr[0] &= 0xf0;
+ pixelPtr[0] |= TUint8(pixelColor.Color16());
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ const TInt yLimit = aY + aHeight;
+ TUint32 colorWord = ColorInt(aColor);
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
+ colorWord &= mask;
+ mask = ~mask;
+
+ for (; aY < yLimit; aY++)
+ {
+ pixelPtrLimit[0] &= mask;
+ pixelPtrLimit[0] |= colorWord;
+ pixelPtrLimit += iScanLineWords;
+ }
+ return;
+ }
+
+ for (; aY < yLimit; aY++)
+ {
+ if (startShift > 0)
+ pixelPtr[-1] = PasteInt(pixelPtr[-1],colorWord,startShift);
+
+ for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
+ tempPixelPtr[0] = colorWord;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] = PasteInt(colorWord,pixelPtrLimit[0],finishShift);
+
+ pixelPtr += iScanLineWords;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ const TInt yLimit = aY + aHeight;
+ TUint32 colorWord = ColorInt(aColor);
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
+ colorWord &= mask;
+
+ for (; aY < yLimit; aY++)
+ {
+ pixelPtrLimit[0] ^= colorWord;
+ pixelPtrLimit += iScanLineWords;
+ }
+ return;
+ }
+
+ for (; aY < yLimit; aY++)
+ {
+ if (startShift > 0)
+ pixelPtr[-1] ^= PasteInt(0,colorWord,startShift);
+
+ for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
+ tempPixelPtr[0] ^= colorWord;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] ^= PasteInt(colorWord,0,finishShift);
+
+ pixelPtr += iScanLineWords;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ const TInt yLimit = aY + aHeight;
+ TUint32 colorWord = ColorInt(aColor);
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
+ colorWord &= mask;
+ colorWord |= ~mask;
+
+ for (; aY < yLimit; aY++)
+ {
+ pixelPtrLimit[0] &= colorWord;
+ pixelPtrLimit += iScanLineWords;
+ }
+ return;
+ }
+
+ for (; aY < yLimit; aY++)
+ {
+ if (startShift > 0)
+ pixelPtr[-1] &= PasteInt(0xffffffff,colorWord,startShift);
+
+ for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
+ tempPixelPtr[0] &= colorWord;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] &= PasteInt(colorWord,0xffffffff,finishShift);
+
+ pixelPtr += iScanLineWords;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
+ {
+ const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
+ const TInt finishLong = (aX + aLength) & (~7);
+ const TInt startShift = (startLong - aX) * KBitsPerPixel;
+ const TInt startShiftExtra = 32 - startShift;
+ const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
+ const TInt yLimit = aY + aHeight;
+ TUint32 colorWord = ColorInt(aColor);
+ TUint32* base = ScanLine(aY);
+ TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
+ TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
+
+ if (finishLong < startLong)
+ {
+ TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
+ colorWord &= mask;
+
+ for (; aY < yLimit; aY++)
+ {
+ pixelPtrLimit[0] |= colorWord;
+ pixelPtrLimit += iScanLineWords;
+ }
+ return;
+ }
+
+ for (; aY < yLimit; aY++)
+ {
+ if (startShift > 0)
+ pixelPtr[-1] |= PasteInt(0,colorWord,startShift);
+
+ for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
+ tempPixelPtr[0] |= colorWord;
+
+ if (finishLong < aX + aLength)
+ pixelPtrLimit[0] |= PasteInt(colorWord,0,finishShift);
+
+ pixelPtr += iScanLineWords;
+ pixelPtrLimit += iScanLineWords;
+ }
+ }
+
+void CDrawFourBppBitmapColor::WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer)
+ {
+ DeOrientate(aX,aY);
+ TUint8* pixelPtr = REINTERPRET_CAST(TUint8*,ScanLine(aY)) + (aX / 2);
+ const TBool oddEndCoord = (aX + aLength) & 1;
+ const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength - (oddEndCoord ? 1 : 0);
+
+ if (iShadowMode)
+ Shadow(aColor);
+
+ const TInt red = aColor.Red();
+ const TInt green = aColor.Green();
+ const TInt blue = aColor.Blue();
+
+ TRgb pixelColor;
+
+ if (aX & 1)
+ {
+ pixelColor = AlphaBlend(red,green,blue,TRgb::Color16(pixelPtr[0] >> 4),aMaskBuffer[0]);
+ pixelPtr[0] &= 0x0f;
+ pixelPtr[0] |= TUint8(pixelColor.Color16() << 4);
+
+ pixelPtr++;
+ aMaskBuffer++;
+ }
+
+ TRgb lowerPixelColor, upperPixelColor;
+
+ while (aMaskBuffer < maskBufferPtrLimit)
+ {
+ lowerPixelColor = AlphaBlend(red,green,blue,TRgb::Color16(pixelPtr[0] & 0x0f),aMaskBuffer[0]);
+ upperPixelColor = AlphaBlend(red,green,blue,TRgb::Color16(pixelPtr[0] >> 4),aMaskBuffer[1]);
+ pixelPtr[0] = TUint8(lowerPixelColor.Color16());
+ pixelPtr[0] |= TUint8(upperPixelColor.Color16() << 4);
+
+ pixelPtr++;
+ aMaskBuffer += 2;
+ }
+
+ if (oddEndCoord)
+ {
+ pixelColor = AlphaBlend(red,green,blue,TRgb::Color16(pixelPtr[0] & 0x0f),aMaskBuffer[0]);
+ pixelPtr[0] &= 0xf0;
+ pixelPtr[0] |= TUint8(pixelColor.Color16());
+ }
+ }
+
+void CDrawFourBppBitmapColor::MapColorToUserDisplayMode(TRgb& aColor)
+ {
+ switch (iUserDispMode)
+ {
+ case EGray2:
+ aColor = TRgb::_Gray2(aColor._Gray2());
+ break;
+ case EGray4:
+ case EGray16:// EGray16 can't be done - nearest is EGray4
+ case EGray256:// EGray256 can't be done - nearest is EGray4
+ aColor = TRgb::_Gray4(aColor._Gray4());
+ break;
+ default:
+ break;
+ }
+ }
+
+void CDrawFourBppBitmapColor::MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer)
+ {
+ TUint8* bufferPtr = (TUint8*)aBuffer;
+ const TUint8* bufferLimit = bufferPtr + ((aLength + 1) / 2);
+ TRgb color1, color2;
+
+ switch (iUserDispMode)
+ {
+ case EGray2:
+ while (bufferPtr < bufferLimit)
+ {
+ color1 = TRgb::Color16(*bufferPtr & 0xf);
+ color2 = TRgb::Color16(*bufferPtr >> 4);
+ color1 = TRgb::_Gray2(color1._Gray2());
+ color2 = TRgb::_Gray2(color2._Gray2());
+ *bufferPtr++ = TUint8(color1.Color16() | (color2.Color16() << 4));
+ }
+ break;
+ case EGray4:
+ case EGray16:// EGray256 can't be done - nearest is EGray4
+ case EGray256:// EGray256 can't be done - nearest is EGray4
+ while (bufferPtr < bufferLimit)
+ {
+ color1 = TRgb::Color16(*bufferPtr & 0xf);
+ color2 = TRgb::Color16(*bufferPtr >> 4);
+ color1 = TRgb::_Gray4(color1._Gray4());
+ color2 = TRgb::_Gray4(color2._Gray4());
+ *bufferPtr++ = TUint8(color1.Color16() | (color2.Color16() << 4));
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+TInt CDrawFourBppBitmapColor::WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength,
+ TUint32 aOutlinePenColor, TUint32 aShadowColor,
+ TUint32 aFillColor, const TUint8* aDataBuffer)
+ {
+ //This is non-optimised since this screen mode is rarely used and is usually
+ //fast enough without optimisation.
+ DeOrientate(aX,aY);
+ TUint8* pixelPtr = REINTERPRET_CAST(TUint8*,ScanLine(aY)) + (aX / 2);
+ const TBool oddEndCoord = (aX + aLength) & 1;
+ const TUint8* dataBufferPtrLimit = aDataBuffer + aLength - (oddEndCoord ? 1 : 0);
+
+ TUint8 index = 0;
+ TRgb finalColor;
+ TRgb lowerPixelColor;
+ TRgb upperPixelColor;
+
+ TRgb outlinePenColor;
+ outlinePenColor.SetInternal(aOutlinePenColor);
+ TRgb shadowColor;
+ shadowColor.SetInternal(aShadowColor);
+ TRgb fillColor;
+ fillColor.SetInternal(aFillColor);
+
+ const TInt redOutlinePenColor = outlinePenColor.Red();
+ const TInt redShadowColor = shadowColor.Red();
+ const TInt redFillColor = fillColor.Red();
+
+ const TInt greenOutlinePenColor = outlinePenColor.Green();
+ const TInt greenShadowColor = shadowColor.Green();
+ const TInt greenFillColor = fillColor.Green();
+
+ const TInt blueOutlinePenColor = outlinePenColor.Blue();
+ const TInt blueShadowColor = shadowColor.Blue();
+ const TInt blueFillColor = fillColor.Blue();
+
+ if (aX & 1)
+ {
+ index = *aDataBuffer;
+ if (255 != FourColorBlendLookup[index][KBackgroundColorIndex])
+ {
+ TRgb backgroundColor = TRgb::Color16(pixelPtr[0] >> 4);
+ finalColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
+ redOutlinePenColor, redShadowColor, redFillColor,
+ greenOutlinePenColor, greenShadowColor, greenFillColor,
+ blueOutlinePenColor, blueShadowColor, blueFillColor,
+ backgroundColor, index);
+ pixelPtr[0] &= 0x0f;
+ pixelPtr[0] |= TUint8(finalColor.Color16() << 4);
+ }
+ pixelPtr++;
+ aDataBuffer++;
+ }
+
+ while (aDataBuffer < dataBufferPtrLimit)
+ {
+ index = aDataBuffer[0];
+ TRgb upperPixelBackgroundColor = TRgb::Color16(pixelPtr[0] >> 4);
+ if (255 != FourColorBlendLookup[index][KBackgroundColorIndex])
+ {
+ TRgb lowerPixelBackgroundColor = TRgb::Color16(pixelPtr[0] & 0x0f );
+ lowerPixelColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
+ redOutlinePenColor, redShadowColor, redFillColor,
+ greenOutlinePenColor, greenShadowColor, greenFillColor,
+ blueOutlinePenColor, blueShadowColor, blueFillColor,
+ lowerPixelBackgroundColor, index);
+ pixelPtr[0] = TUint8(lowerPixelColor.Color16());
+ }
+
+ index = aDataBuffer[1];
+ if (255 != FourColorBlendLookup[index][KBackgroundColorIndex])
+ {
+ upperPixelColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
+ redOutlinePenColor, redShadowColor, redFillColor,
+ greenOutlinePenColor, greenShadowColor, greenFillColor,
+ blueOutlinePenColor, blueShadowColor, blueFillColor,
+ upperPixelBackgroundColor, index);
+ pixelPtr[0] |= TUint8(upperPixelColor.Color16() << 4);
+ }
+ pixelPtr++;
+ aDataBuffer += 2;
+ }
+
+ if (oddEndCoord)
+ {
+ index = aDataBuffer[0];
+ if(255 != FourColorBlendLookup[index][KBackgroundColorIndex])
+ {
+ TRgb backgroundColor = TRgb::Color16(pixelPtr[0] & 0x0f );
+ finalColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
+ redOutlinePenColor, redShadowColor, redFillColor,
+ greenOutlinePenColor, greenShadowColor, greenFillColor,
+ blueOutlinePenColor, blueShadowColor, blueFillColor,
+ backgroundColor, index);
+ pixelPtr[0] &= 0xf0;
+ pixelPtr[0] |= TUint8(finalColor.Color16());
+ }
+ }
+ return KErrNone;
+ }
+
+TRgb CDrawFourBppBitmapColor::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
+ {
+ TRgb finalColor;
+ if (255 == FourColorBlendLookup[aIndex][KFillColorIndex])
+ {
+ //fill colour
+ finalColor.SetInternal(aFillColor);
+ }
+ else if (255 == FourColorBlendLookup[aIndex][KShadowColorIndex])
+ {
+ //Shadow colour
+ finalColor.SetInternal(aShadowColor);
+ }
+ else if (255 == FourColorBlendLookup[aIndex][KOutlineColorIndex])
+ {
+ //Outline colour
+ finalColor.SetInternal(aOutlinePenColor);
+ }
+ else
+ {
+ TInt blendedRedColor = (aRedOutlinePenColor * FourColorBlendLookup[aIndex][KOutlineColorIndex] +
+ aRedShadowColor * FourColorBlendLookup[aIndex][KShadowColorIndex] +
+ aRedFillColor * FourColorBlendLookup[aIndex][KFillColorIndex] +
+ aBackgroundColor.Red() * FourColorBlendLookup[aIndex][KBackgroundColorIndex]) >> 8;
+
+ TInt blendedGreenColor = (aGreenOutlinePenColor * FourColorBlendLookup[aIndex][KOutlineColorIndex] +
+ aGreenShadowColor * FourColorBlendLookup[aIndex][KShadowColorIndex] +
+ aGreenFillColor * FourColorBlendLookup[aIndex][KFillColorIndex] +
+ aBackgroundColor.Green() * FourColorBlendLookup[aIndex][KBackgroundColorIndex]) >> 8;
+
+ TInt blendedBlueColor = (aBlueOutlinePenColor * FourColorBlendLookup[aIndex][KOutlineColorIndex] +
+ aBlueShadowColor * FourColorBlendLookup[aIndex][KShadowColorIndex] +
+ aBlueFillColor * FourColorBlendLookup[aIndex][KFillColorIndex] +
+ aBackgroundColor.Blue() * FourColorBlendLookup[aIndex][KBackgroundColorIndex]) >> 8;
+ finalColor = TRgb(blendedRedColor, blendedGreenColor, blendedBlueColor);
+ }
+ return finalColor;
+ }