diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicsdeviceinterface/screendriver/sbit/BMDRAW1.CPP --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/graphics/graphicsdeviceinterface/screendriver/sbit/BMDRAW1.CPP Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,936 @@ +// 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 KPixelsPerByte = 8; +const TInt KPixelsPerWord = 32; + +//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 CDrawOneBppBitmap::SetSize(const TSize& aSize) + { + CDrawBitmap::SetSize(aSize); + __ASSERT_DEBUG(iSize == aSize, User::Invariant()); + iLongWidth = (iSize.iWidth + (KPixelsPerWord - 1)) & ~(KPixelsPerWord - 1); + iScanLineWords = iLongWidth / KPixelsPerWord; + } + +TInt CDrawOneBppBitmap::Construct(TSize aSize) + { + return Construct(aSize, ((aSize.iWidth + (KPixelsPerWord - 1)) & ~(KPixelsPerWord - 1)) / KPixelsPerByte); + } + +TInt CDrawOneBppBitmap::Construct(TSize aSize, TInt aStride) + { + iBits = NULL; + iDispMode = EGray2; + 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) >> 3); + if(size < 0) + return KErrArgument; + iScanLineBuffer = (TUint32*)(User::Heap().Alloc(size)); + if (iScanLineBuffer == NULL) + return KErrNoMemory; + return KErrNone; + } + +void CDrawOneBppBitmap::Shadow(TRgb& aColor) + { + if (iShadowMode & EFade) + aColor = FadeRgb(TRgb::_Gray2(aColor._Gray2())); + + if (iShadowMode & EShadow) + aColor = KRgbBlack; + } + +void CDrawOneBppBitmap::InvertBuffer(TInt aLength,TUint32* aBuffer) + { + __ASSERT_DEBUG(aLength > 0,Panic(EScreenDriverPanicZeroLength)); + __ASSERT_DEBUG(aBuffer,Panic(EScreenDriverPanicNullPointer)); + + const TUint32* const limit = aBuffer + ((aLength + KPixelsPerWord - 1) / KPixelsPerWord); + + while (aBuffer < limit) + *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 CDrawOneBppBitmap::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); + } + + +TRgb CDrawOneBppBitmap::ReadRgbNormal(TInt aX,TInt aY) const + { + TUint32 colorWord = *(ScanLine(aY) + (aX / KPixelsPerWord)); + + if (colorWord & (1 << (aX & 0x1f))) + return KRgbWhite; + + return KRgbBlack; + } + +void CDrawOneBppBitmap::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)); + + if (iShadowMode & EFade) + { + TInt fadedWhite = FadeRgb(KRgbWhite)._Gray2(); + TInt fadedBlack = FadeRgb(KRgbBlack)._Gray2(); + + if (fadedWhite) + { + if (fadedBlack) // Everything fades to white + WriteRgbMulti(aRect.iTl.iX,aRect.iTl.iY,aRect.Width(),aRect.Height(),KRgbWhite); + // else Nothing changes + } + else + { + if (fadedBlack) // Everything inverted + WriteRgbMultiXOR(aRect.iTl.iX,aRect.iTl.iY,aRect.Width(),aRect.Height(),KRgbWhite); + else // Everything fades to black + WriteRgbMulti(aRect.iTl.iX,aRect.iTl.iY,aRect.Width(),aRect.Height(),KRgbBlack); + } + } + + if (iShadowMode & EShadow) + { + const TInt x = aRect.iTl.iX; + TInt y = aRect.iTl.iY; + const TInt startLong = (x + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aRect.iBr.iX) & (~0x1f); + const TInt startShift = startLong - x; + TUint32* base = ScanLine(y); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff >> (startLong - aRect.iBr.iX)) & (0xffffffff << (x - finishLong)); + mask = ~mask; + + for (; y < aRect.iBr.iY; y++) + { + pixelPtrLimit[0] &= mask; + pixelPtrLimit += iScanLineWords; + } + + return; + } + + const TInt bytesToFill = (pixelPtrLimit - pixelPtr) * sizeof(TUint32); + const TInt finishShift = 32 - aRect.iBr.iX + finishLong; + + for (;y0,Panic(EScreenDriverPanicZeroLength)); + __ASSERT_DEBUG(aBuffer,Panic(EScreenDriverPanicNullPointer)); + + const TInt byteLength = (aLength + 7) / 8; + + if (iShadowMode & EFade) + { + TInt fadedWhite = FadeRgb(KRgbWhite)._Gray2(); + TInt fadedBlack = FadeRgb(KRgbBlack)._Gray2(); + + if (fadedWhite) + { + if (fadedBlack) // Everything fades to white + Mem::Fill(aBuffer,byteLength,0xff); + // else Nothing changes + } + else + { + if (fadedBlack) // Everything inverted + { + TUint8* bufferPtr = REINTERPRET_CAST(TUint8*,aBuffer); + const TUint8* bufferPtrLimit = bufferPtr + byteLength; + + while (bufferPtr < bufferPtrLimit) + *bufferPtr ^= 0xff; + } + else // Everything fades to black + Mem::FillZ(aBuffer,byteLength); + } + } + + if (iShadowMode & EShadow) + Mem::FillZ(aBuffer,byteLength); + } + +void CDrawOneBppBitmap::WriteRgb(TInt aX,TInt aY,TRgb aColor) + { + TUint32* pixelPtr = ScanLine(aY) + (aX / KPixelsPerWord); + const TUint32 mask = 1 << (aX & 0x1f); + + if (aColor._Gray2()) + pixelPtr[0] |= mask; + else + pixelPtr[0] &= ~mask; + } + +void CDrawOneBppBitmap::WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor) + { + const TBool white = (aColor._Gray2() == 1); + TUint32* pixelPtr = ScanLine(aY) + (aX / KPixelsPerWord); + const TUint32* pixelPtrLimit = pixelPtr + (aHeight * iScanLineWords); + + while (pixelPtr < pixelPtrLimit) + { + TUint32 dataMask = 1; + TUint32 mask = 1 << (aX & 0x1f); + TUint32* tempPixelPtr = pixelPtr; + + for (TInt count = 0; count < aLength; count++,dataMask <<= 1,mask <<= 1) + { + if (!mask) + { + mask = 1; + tempPixelPtr++; + } + + if (aBuffer[0] & dataMask) + { + if (white) + tempPixelPtr[0] |= mask; + else + tempPixelPtr[0] &= ~mask; + } + } + + aBuffer++; + pixelPtr += iScanLineWords; + } + } + +void CDrawOneBppBitmap::WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode) + { + const TBool white = (aColor._Gray2() == 1); + TUint32* pixelPtr = ScanLine(aY) + (aX / KPixelsPerWord); + const TUint32* pixelPtrLimit = pixelPtr + (aHeight * iScanLineWords); + TUint32 initialMask = 1 << (aX & 0x1f); + + if (white) + { + if (aDrawMode == CGraphicsContext::EDrawModeXOR || aDrawMode == CGraphicsContext::EDrawModeOR) + { + while (pixelPtr < pixelPtrLimit) + { + TUint32 dataMask = 1; + TUint32 mask = initialMask; + TUint32* tempPixelPtr = pixelPtr; + + for (TInt count = 0; count < aLength;count++,dataMask <<= 1,mask <<= 1) + { + if (!mask) + { + mask = 1; + tempPixelPtr++; + } + + if (aBuffer[0] & dataMask) + { + if (aDrawMode == CGraphicsContext::EDrawModeXOR) + tempPixelPtr[0] ^= mask; + else if (aDrawMode == CGraphicsContext::EDrawModeOR) + tempPixelPtr[0] |= mask; + } + } + + aBuffer++; + pixelPtr += iScanLineWords; + } + } + } + else + { + if (aDrawMode == CGraphicsContext::EDrawModeAND) + { + while (pixelPtr < pixelPtrLimit) + { + TUint32 dataMask = 1; + TUint32 mask = initialMask; + TUint32* tempPixelPtr = pixelPtr; + + for (TInt count = 0; count < aLength;count++,dataMask <<= 1,mask <<= 1) + { + if (!mask) + { + mask = 1; + tempPixelPtr++; + } + + if (*aBuffer & dataMask) + *tempPixelPtr &= ~mask; + } + + aBuffer++; + pixelPtr += iScanLineWords; + } + } + } + } + +void CDrawOneBppBitmap::WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aHeight,TRgb aColor,TBool aUp) + { + const TBool white = (aColor._Gray2() == 1); + const TInt yLimit = aY + ((aUp) ? -aHeight : aHeight); + const TInt scanLineWords = (aUp) ? -iScanLineWords : iScanLineWords; + const TInt startWord = aX / KPixelsPerWord; + TUint32* pixelPtr = ScanLine(aY) + startWord; + TUint32* pixelPtrLimit = ScanLine(yLimit) + startWord; + TUint32 mask = 1 << (aX & 0x1f); + TUint32 dataMask = 1; + + if (white) + { + while (pixelPtr != pixelPtrLimit) + { + if (!dataMask) + { + dataMask = 1; + aBuffer++; + } + + if (aBuffer[0] & dataMask) + pixelPtr[0] |= mask; + + dataMask <<= 1; + pixelPtr += scanLineWords; + } + } + else + { + mask = ~mask; + while (pixelPtr != pixelPtrLimit) + { + if (!dataMask) + { + dataMask = 1; + aBuffer++; + } + + if (aBuffer[0] & dataMask) + pixelPtr[0] &= mask; + + dataMask <<= 1; + pixelPtr += scanLineWords; + } + } + } + +void CDrawOneBppBitmap::WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) + { + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt startShiftExtra = 32 - startShift; + const TInt finishX = aX + aLength; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << startShiftExtra) & (0xffffffff >> (startLong - finishX)); + pixelPtrLimit[0] &= ~mask; + pixelPtrLimit[0] |= (aBuffer[0] << startShiftExtra) & mask; + return; + } + + if (startShift > 0) + { + pixelPtr[-1] &= 0xffffffff >> startShift; + pixelPtr[-1] |= aBuffer[0] << startShiftExtra; + + while (pixelPtr < pixelPtrLimit) + { + pixelPtr[0] = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtr++; + aBuffer++; + } + + if (finishLong < finishX) + { + TUint32 value = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtrLimit[0] = PasteInt(value,pixelPtrLimit[0],32 - finishX + finishLong); + } + } + else + { + while (pixelPtr < pixelPtrLimit) + *pixelPtr++ = *aBuffer++; + + if (finishLong < finishX) + pixelPtrLimit[0] = PasteInt(aBuffer[0],pixelPtrLimit[0],32 - finishX + finishLong); + } + } + +void CDrawOneBppBitmap::WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) + { + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt startShiftExtra = 32 - startShift; + const TInt finishX = aX + aLength; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << startShiftExtra) & (0xffffffff >> (startLong - finishX)); + pixelPtrLimit[0] ^= (aBuffer[0] << startShiftExtra) & mask; + return; + } + + if (startShift > 0) + { + pixelPtr[-1] ^= aBuffer[0] << startShiftExtra; + + while (pixelPtr < pixelPtrLimit) + { + pixelPtr[0] ^= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtr++; + aBuffer++; + } + + if (finishLong < finishX) + { + TUint32 value = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtrLimit[0] ^= PasteInt(value,0,32 - finishX + finishLong); + } + } + else + { + while (pixelPtr < pixelPtrLimit) + *pixelPtr++ ^= *aBuffer++; + + if (finishLong < finishX) + pixelPtrLimit[0] ^= PasteInt(aBuffer[0],0,32 - finishX + finishLong); + } + } + +void CDrawOneBppBitmap::WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) + { + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt startShiftExtra = 32 - startShift; + const TInt finishX = aX + aLength; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << startShiftExtra) & (0xffffffff >> (startLong - finishX)); + pixelPtrLimit[0] &= (aBuffer[0] << startShiftExtra) | ~mask; + return; + } + + if (startShift > 0) + { + pixelPtr[-1] &= (aBuffer[0] << startShiftExtra) | (0xffffffff >> startShift); + + while (pixelPtr < pixelPtrLimit) + { + pixelPtr[0] &= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtr++; + aBuffer++; + } + + if (finishLong < finishX) + { + TUint32 value = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtrLimit[0] &= PasteInt(value,0xffffffff,32 - finishX + finishLong); + } + } + else + { + while (pixelPtr < pixelPtrLimit) + *pixelPtr++ &= *aBuffer++; + + if (finishLong < finishX) + pixelPtrLimit[0] &= PasteInt(aBuffer[0],0xffffffff,32 - finishX + finishLong); + } + } + +void CDrawOneBppBitmap::WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) + { + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt startShiftExtra = 32 - startShift; + const TInt finishX = aX + aLength; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << startShiftExtra) & (0xffffffff >> (startLong - finishX)); + pixelPtrLimit[0] |= (aBuffer[0] << startShiftExtra) & mask; + return; + } + + if (startShift > 0) + { + pixelPtr[-1] |= aBuffer[0] << startShiftExtra; + + while (pixelPtr < pixelPtrLimit) + { + pixelPtr[0] |= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtr++; + aBuffer++; + } + + if (finishLong < finishX) + { + TUint32 value = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra); + pixelPtrLimit[0] |= PasteInt(value,0,32 - finishX + finishLong); + } + } + else + { + while (pixelPtr < pixelPtrLimit) + *pixelPtr++ |= *aBuffer++; + + if (finishLong < finishX) + pixelPtrLimit[0] |= PasteInt(aBuffer[0],0,32 - finishX + finishLong); + } + } + +/** +MAlphaBlend::WriteRgbAlphaLine() implementation. +@see MAlphaBlend::WriteRgbAlphaLine() +*/ +void CDrawOneBppBitmap::WriteRgbAlphaLine(TInt aX, TInt aY, TInt aLength, + const TUint8* aRgbBuffer, + const TUint8* aMaskBuffer, + MAlphaBlend::TShadowing, + CGraphicsContext::TDrawMode /*aDrawMode*/) + { + TUint32* pixelPtr = ScanLine(aY) + (aX / KPixelsPerWord); + const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength; + TUint32 bitMask = 1 << (aX & 0x1f); + + while (aMaskBuffer < maskBufferPtrLimit) + { + if (*aMaskBuffer++ & 0x80) + { + if (((aRgbBuffer[2] << 1) + aRgbBuffer[1] + (aRgbBuffer[1] << 2) + aRgbBuffer[0]) > 1016) + pixelPtr[0] |= bitMask; + else + pixelPtr[0] &= ~bitMask; + } + + bitMask <<= 1; + + if (!bitMask) + { + bitMask = 1; + pixelPtr++; + } + + aRgbBuffer += 4; + } + } + +void CDrawOneBppBitmap::WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) + { + const TUint32 colorWord = (aColor._Gray2() == 1) ? 0xffffffff : 0; + const TInt yLimit = aY + aHeight; + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt finishShift = 32 - aX - aLength + finishLong; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << (32 - startShift)) & (0xffffffff >> (startShift - aLength)); + const TUint32 maskedColorWord = colorWord & mask; + mask = ~mask; + + for (; aY < yLimit; aY++) + { + pixelPtrLimit[0] &= mask; + pixelPtrLimit[0] |= maskedColorWord; + pixelPtrLimit += iScanLineWords; + } + return; + } + + const TBool extra = (finishLong < aX + aLength); + + for (; aY < yLimit; aY++) + { + TUint32* bmpbitstmp = pixelPtr; + + if (startShift > 0) + bmpbitstmp[-1] = PasteInt(bmpbitstmp[-1],colorWord,startShift); + + while (bmpbitstmp < pixelPtrLimit) + *bmpbitstmp++ = colorWord; + + if (extra) + pixelPtrLimit[0] = PasteInt(colorWord,pixelPtrLimit[0],finishShift); + + pixelPtr += iScanLineWords; + pixelPtrLimit += iScanLineWords; + } + } + +void CDrawOneBppBitmap::WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) + { + const TUint32 colorWord = (aColor._Gray2() == 1) ? 0xffffffff : 0; + const TInt yLimit = aY + aHeight; + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt finishShift = 32 - aX - aLength + finishLong; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << (32 - startShift)) & (0xffffffff >> (startShift - aLength)); + const TUint32 maskedColorWord = colorWord & mask; + + for (; aY < yLimit; aY++) + { + pixelPtrLimit[0] ^= maskedColorWord; + pixelPtrLimit += iScanLineWords; + } + return; + } + + const TBool extra = (finishLong < aX + aLength); + + for (; aY < yLimit; aY++) + { + TUint32* bmpbitstmp = pixelPtr; + + if (startShift > 0) + bmpbitstmp[-1] ^= PasteInt(0,colorWord,startShift); + + while (bmpbitstmp < pixelPtrLimit) + *bmpbitstmp++ ^= colorWord; + + if (extra) + pixelPtrLimit[0] ^= PasteInt(colorWord,0,finishShift); + + pixelPtr += iScanLineWords; + pixelPtrLimit += iScanLineWords; + } + } + +void CDrawOneBppBitmap::WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) + { + const TUint32 colorWord = (aColor._Gray2() == 1) ? 0xffffffff : 0; + const TInt yLimit = aY + aHeight; + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt finishShift = 32 - aX - aLength + finishLong; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << (32 - startShift)) & (0xffffffff >> (startShift - aLength)); + const TUint32 maskedColorWord = colorWord | ~mask; + + for (; aY < yLimit; aY++) + { + pixelPtrLimit[0] &= maskedColorWord; + pixelPtrLimit += iScanLineWords; + } + return; + } + + const TBool extra = (finishLong < aX + aLength); + + for (; aY < yLimit; aY++) + { + TUint32* bmpbitstmp = pixelPtr; + + if (startShift > 0) + bmpbitstmp[-1] &= PasteInt(0xffffffff,colorWord,startShift); + + while (bmpbitstmp < pixelPtrLimit) + *bmpbitstmp++ &= colorWord; + + if (extra) + pixelPtrLimit[0] &= PasteInt(colorWord,0xffffffff,finishShift); + + pixelPtr += iScanLineWords; + pixelPtrLimit += iScanLineWords; + } + } + +void CDrawOneBppBitmap::WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) + { + const TUint32 colorWord = (aColor._Gray2() == 1) ? 0xffffffff : 0; + const TInt yLimit = aY + aHeight; + const TInt startLong = (aX + KPixelsPerWord - 1) & (~0x1f); + const TInt finishLong = (aX + aLength) & (~0x1f); + const TInt startShift = startLong - aX; + const TInt finishShift = 32 - aX - aLength + finishLong; + TUint32* base = ScanLine(aY); + TUint32* pixelPtr = base + (startLong / KPixelsPerWord); + TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord); + + if (finishLong < startLong) + { + TUint32 mask = (0xffffffff << (32 - startShift)) & (0xffffffff >> (startShift - aLength)); + const TUint32 maskedColorWord = colorWord & mask; + + for (; aY < yLimit; aY++) + { + pixelPtrLimit[0] |= maskedColorWord; + pixelPtrLimit += iScanLineWords; + } + return; + } + + const TBool extra = (finishLong < aX + aLength); + + for (; aY < yLimit; aY++) + { + TUint32* bmpbitstmp = pixelPtr; + + if (startShift > 0) + bmpbitstmp[-1] |= PasteInt(bmpbitstmp[-1],colorWord,startShift); + + while (bmpbitstmp < pixelPtrLimit) + *bmpbitstmp++ |= colorWord; + + if (extra) + pixelPtrLimit[0] |= PasteInt(colorWord,pixelPtrLimit[0],finishShift); + + pixelPtr += iScanLineWords; + pixelPtrLimit += iScanLineWords; + } + } + +void CDrawOneBppBitmap::WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer) + { + DeOrientate(aX,aY); + TUint8* pixelPtr = REINTERPRET_CAST(TUint8*,ScanLine(aY)) + (aX / 8); + TInt pixelMask = 1 << (aX & 7); + const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength; + + if (iShadowMode) + Shadow(aColor); + + const TInt gray = aColor._Gray256(); + TRgb pixelColor; + + while (aMaskBuffer < maskBufferPtrLimit) + { + const TInt pixelGray256Value = (pixelPtr[0] & pixelMask) ? 255 : 0; + pixelColor = TRgb::_Gray256(((gray * aMaskBuffer[0]) + ((255 - aMaskBuffer[0]) * pixelGray256Value)) / 255); + if (pixelColor._Gray2()) + pixelPtr[0] |= pixelMask; + else + pixelPtr[0] &= ~pixelMask; + + pixelMask <<= 1; + if (pixelMask > 128) + { + pixelPtr++; + pixelMask = 1; + } + aMaskBuffer++; + } + } + +TInt CDrawOneBppBitmap::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 / 8); + TInt pixelMask = 1 << (aX & 7); + const TUint8* dataBufferPtrLimit = aDataBuffer + aLength; + + TInt blendedRedColor; + TInt blendedGreenColor; + TInt blendedBlueColor; + TUint8 index = 0; + TRgb finalColor; + + 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(); + + while (aDataBuffer < dataBufferPtrLimit) + { + index = *aDataBuffer++; + if (255 == FourColorBlendLookup[index][KBackgroundColorIndex]) + { + //background colour + //No drawing required so move on to next pixel. + pixelMask <<= 1; + if (pixelMask > 0x80) + { + pixelPtr++; + pixelMask = 1; + } + continue; + } + else if (255 == FourColorBlendLookup[index][KFillColorIndex]) + { + //fill colour + finalColor.SetInternal(aFillColor); + } + else if (255 == FourColorBlendLookup[index][KShadowColorIndex]) + { + //Shadow colour + finalColor.SetInternal(aShadowColor); + } + else if (255 == FourColorBlendLookup[index][KOutlineColorIndex]) + { + //Outline colour + finalColor.SetInternal(aOutlinePenColor); + } + else + { + TRgb backgroundColor = TRgb::_Gray2((pixelPtr[0] & pixelMask) ? 255 : 0); + blendedRedColor = (redOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] + + redShadowColor * FourColorBlendLookup[index][KShadowColorIndex] + + redFillColor * FourColorBlendLookup[index][KFillColorIndex] + + backgroundColor.Red() * FourColorBlendLookup[index][KBackgroundColorIndex]) >> 8; + + blendedGreenColor = (greenOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] + + greenShadowColor * FourColorBlendLookup[index][KShadowColorIndex] + + greenFillColor * FourColorBlendLookup[index][KFillColorIndex] + + backgroundColor.Green() * FourColorBlendLookup[index][KBackgroundColorIndex]) >> 8; + + blendedBlueColor = (blueOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] + + blueShadowColor * FourColorBlendLookup[index][KShadowColorIndex] + + blueFillColor * FourColorBlendLookup[index][KFillColorIndex] + + backgroundColor.Blue() * FourColorBlendLookup[index][KBackgroundColorIndex]) >> 8; + + finalColor = TRgb(blendedRedColor, blendedGreenColor, blendedBlueColor); + } + + if (finalColor._Gray2()) + { + pixelPtr[0] |= pixelMask; + } + else + { + pixelPtr[0] &= ~pixelMask; + } + + pixelMask <<= 1; + + if (pixelMask > 0x80) + { + pixelPtr++; + pixelMask = 1; + } + } + return KErrNone; + }