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// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "BMDRAW.H"
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GLREF_D const TUint8 ditherlutab[16][4];
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GLREF_D const TUint8 shadowlutab[256];
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const TInt KPixelsPerWord = 8;
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const TInt KPixelsPerByte = 2;
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const TInt KBitsPerPixel = 4;
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// CDrawFourBppBitmapGray
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//Initializes iSize, iDrawRect, iLongWidth, iScanlineWords data members.
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//It should be called every time when iSize is going to be changed - from Construct().
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//@param aSize Physical screen size in pixels.
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//@panic EScreenDriverPanicInvalidSize - Invalid aSize parameter. This might happen if the
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//device is scaled and the scaling origin goes outside physical drawing rectangle.
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void CDrawFourBppBitmapGray::SetSize(const TSize& aSize)
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{
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CDrawBitmap::SetSize(aSize);
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__ASSERT_DEBUG(iSize == aSize, User::Invariant());
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iLongWidth = (iSize.iWidth + (KPixelsPerWord - 1)) & ~(KPixelsPerWord - 1);
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iScanLineWords = iLongWidth / KPixelsPerWord;
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}
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TInt CDrawFourBppBitmapGray::Construct(TSize aSize)
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{
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return Construct(aSize, ((aSize.iWidth + (KPixelsPerWord - 1)) & ~(KPixelsPerWord - 1)) / KPixelsPerByte);
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}
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TInt CDrawFourBppBitmapGray::Construct(TSize aSize, TInt aStride)
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{
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iBits = NULL;
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iDispMode = EGray16;
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CDrawBitmap::SetSize(aSize);
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__ASSERT_DEBUG(iSize == aSize, User::Invariant());
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if (aStride & 3)
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return KErrArgument;
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iLongWidth = aStride * KPixelsPerByte;
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if (iLongWidth < aSize.iWidth)
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return KErrArgument;
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iScanLineWords = aStride >> 2;
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TInt size = 1 + (Max(aSize.iWidth,aSize.iHeight) >> 1);
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if(size < 0)
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return KErrArgument;
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iScanLineBuffer = (TUint32*)(User::Heap().Alloc(size));
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if (iScanLineBuffer == NULL)
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return KErrNoMemory;
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return KErrNone;
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}
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void CDrawFourBppBitmapGray::Shadow(TRgb& aColor)
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{
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aColor = TRgb::_Gray16(ShadowAndFadeGray16(aColor._Gray16()));
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}
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TUint8 CDrawFourBppBitmapGray::ShadowAndFadeGray16(TInt aGray16)
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{
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if (iShadowMode & EFade)
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aGray16 = FadeGray(aGray16 * 17) >> 4;
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if (iShadowMode & EShadow)
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aGray16 = Max(aGray16 - 5,0);
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return (TUint8)aGray16;
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}
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TUint32 CDrawFourBppBitmapGray::FadeWord(TUint32 aWord)
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{
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TUint32 fadedWord = 0;
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for (TInt bitShift = 0; bitShift < 32; bitShift += 4)
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{
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TInt gray = (aWord >> bitShift) & 0xf;
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gray = FadeGray(gray * 17) >> 4;
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fadedWord |= gray << bitShift;
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}
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return fadedWord;
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}
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TUint32 CDrawFourBppBitmapGray::ColorInt(TRgb aColor) const
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{
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TUint32 colorWord = aColor._Gray16();
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colorWord |= colorWord << 4;
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colorWord |= colorWord << 8;
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colorWord |= colorWord << 16;
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return colorWord;
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}
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void CDrawFourBppBitmapGray::DitherBuffer(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
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{
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aX += iDitherOrigin.iX;
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aY += iDitherOrigin.iY;
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aX &= 1;
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aY &= 1;
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aY <<= 1;
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const TInt first = aX + aY;
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aX ^= 1;
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const TInt second = aX + aY;
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TUint8* bufferPtr = (TUint8*)aBuffer;
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const TUint8* bufferLimit = bufferPtr + ((aLength + 1) / 2);
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for (; bufferPtr < bufferLimit; bufferPtr++)
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{
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TUint8 index1 = bufferPtr[0];
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TUint8 index2 = TUint8(index1 >> 4);
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index1 &= 0xf;
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const TUint8 value1 = ditherlutab[index1][first];
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const TUint8 value2 = ditherlutab[index2][second];
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bufferPtr[0] = TUint8(value1 | (value2 << 4));
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}
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}
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TUint32 CDrawFourBppBitmapGray::HashInt(TRgb aColor,TInt aX,TInt aY) const
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{
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const TUint32 gray = aColor._Gray16();
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const TUint32 int1 = Hash(gray,aX,aY);
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const TUint32 int2 = Hash(gray,aX + 1,aY);
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TUint32 colorWord = int1 | (int2 << 4);
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colorWord |= colorWord << 8;
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colorWord |= colorWord << 16;
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return colorWord;
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}
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void CDrawFourBppBitmapGray::InvertBuffer(TInt aLength,TUint32* aBuffer)
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{
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const TUint32* bufferLimit = aBuffer + ((aLength + KPixelsPerWord - 1) / KPixelsPerWord);
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while (aBuffer < bufferLimit)
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*aBuffer++ ^= 0xffffffff;
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}
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/** Copies a number of pixels into a word-aligned buffer without format translation.
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Note that the byte length to the target buffer is honoured,
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but the end contents of the last byte are generally overwritten with extra pixel data (or garbage).
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Note that I am assuming the compiler optimiser will convert all these divides and multiplies into shifts!
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@param aX x coordinate to start copy from (need not be aligned at all)
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@param aY y coordinate to copy line from
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@param aLength number of pixels to copy
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@param aBuffer target word-aligned buffer (but may or may not be word length)
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**/
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void CDrawFourBppBitmapGray::ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const
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{
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TUint32* pixelPtr = ScanLine(aY);
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TInt startLongPix = aX & -KPixelsPerWord;
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pixelPtr += startLongPix / KPixelsPerWord;
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TUint32* bufferPtr = (TUint32*)aBuffer;
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TInt wordsCnt = (aLength+KPixelsPerByte-1) / KPixelsPerWord; //how many words to write to target
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TInt restPixels = aLength - wordsCnt * KPixelsPerWord; //how many pixels left to copy
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TInt bytesCnt = (restPixels+KPixelsPerByte-1) / KPixelsPerByte ; //how many target bytes to copy
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TInt shiftBits = aX - startLongPix;
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restPixels=shiftBits+restPixels; //How many pixels are read from the second word by the final word copy
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if (bytesCnt==0 && shiftBits && restPixels<=0)
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{
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// This correction is required because although a last whole word will be written to the target buffer,
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// this special test indicates that the required significant data bits plus the shift
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// add up to one word (or less) to be read.
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// The copy words optimisation used to copy the main body of the line
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// will read from the next location after the copy,
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// but this may not always be accessable memory (on the last scanline)
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// The correction is not required if the second word would need to be read anyway.
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//eg we want to copy 7 nibbles with a 1 nibble shift (16 color), restpixels would be 0
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bytesCnt=4;
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wordsCnt--;
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}
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//How many pixels are read from the second word in the final byte copy?
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//If zero (or less) then the second word should not be read in the copy bytes phase
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//really this should be an else of the if above, but this gives the same end condition.
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//eg we want to copy 5 nibbles with a 2 nibble shift (16 color), restpixels would be -1.
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restPixels-=KPixelsPerWord;
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ReadLineCommon(pixelPtr,bufferPtr,wordsCnt,restPixels,bytesCnt,shiftBits*KBitsPerPixel);
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}
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TRgb CDrawFourBppBitmapGray::ReadRgbNormal(TInt aX,TInt aY) const
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{
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TUint32 colorWord = *(ScanLine(aY) + (aX / KPixelsPerWord));
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colorWord >>= ((aX & 7) * KBitsPerPixel);
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return TRgb::_Gray16(colorWord & 0xf);
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}
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void CDrawFourBppBitmapGray::ShadowArea(const TRect& aRect)
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{
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__ASSERT_DEBUG(aRect.iTl.iX>=0 && aRect.iBr.iX<=iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds));
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__ASSERT_DEBUG(aRect.iTl.iY>=0 && aRect.iBr.iY<=iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds));
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TInt startLong = (aRect.iTl.iX + KPixelsPerWord - 1) & ~7;
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TInt finishLong = aRect.iBr.iX & ~7;
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TInt startShift = (startLong - aRect.iTl.iX) * KBitsPerPixel;
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TInt finishShift = (KPixelsPerWord - aRect.iBr.iX + finishLong) * KBitsPerPixel;
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TInt startLongAdjust = startLong / KPixelsPerWord;
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TInt finishLongAdjust = finishLong / KPixelsPerWord;
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TUint32* base = ScanLine(aRect.iTl.iY);
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if (iShadowMode & EFade)
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{
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TUint32* pixelPtr = base + startLongAdjust;
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TUint32* pixelPtrLimit = base + finishLongAdjust;
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if (finishLong < startLong)
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{
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const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
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const TUint32 invertedMask = ~mask;
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for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
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{
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TUint32 shadowed = FadeWord(pixelPtrLimit[0]) & mask;
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pixelPtrLimit[0] &= invertedMask;
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pixelPtrLimit[0] |= shadowed;
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pixelPtrLimit += iScanLineWords;
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}
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}
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else
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{
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for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
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{
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if (aRect.iTl.iX < startLong)
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{
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TUint32 shadowed = FadeWord(pixelPtr[-1]);
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pixelPtr[-1] = PasteInt(pixelPtr[-1],shadowed,startShift);
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}
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for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
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tempPixelPtr[0] = FadeWord(tempPixelPtr[0]);
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if (finishLong < aRect.iBr.iX)
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{
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TUint32 shadowed = FadeWord(pixelPtrLimit[0]);
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pixelPtrLimit[0] = PasteInt(shadowed,pixelPtrLimit[0],finishShift);
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}
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pixelPtr += iScanLineWords;
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pixelPtrLimit += iScanLineWords;
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}
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}
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}
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if (iShadowMode & EShadow)
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{
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if (iUserDispMode == EGray2)
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{
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WriteRgbMulti(aRect.iTl.iX,aRect.iTl.iY,aRect.Width(),aRect.Height(),KRgbBlack);
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return;
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}
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TUint32* pixelPtr = base + startLongAdjust;
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TUint32* pixelPtrLimit = base + finishLongAdjust;
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if (finishLong < startLong)
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{
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const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
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|
sl@0
|
275 |
const TUint32 invertedMask = ~mask;
|
|
sl@0
|
276 |
|
|
sl@0
|
277 |
for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
|
|
sl@0
|
278 |
{
|
|
sl@0
|
279 |
TUint32 shadowed = shadowlutab[pixelPtrLimit[0] & 0xff];
|
|
sl@0
|
280 |
shadowed |= (shadowlutab[(pixelPtrLimit[0] >> 8) & 0xff] << 8);
|
|
sl@0
|
281 |
shadowed |= (shadowlutab[(pixelPtrLimit[0] >> 16) & 0xff] << 16);
|
|
sl@0
|
282 |
shadowed |= (shadowlutab[(pixelPtrLimit[0] >> 24) & 0xff] << 24);
|
|
sl@0
|
283 |
|
|
sl@0
|
284 |
pixelPtrLimit[0] &= invertedMask;
|
|
sl@0
|
285 |
pixelPtrLimit[0] |= (shadowed & mask);
|
|
sl@0
|
286 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
287 |
}
|
|
sl@0
|
288 |
}
|
|
sl@0
|
289 |
else
|
|
sl@0
|
290 |
{
|
|
sl@0
|
291 |
for (TInt y = aRect.iTl.iY; y < aRect.iBr.iY; y++)
|
|
sl@0
|
292 |
{
|
|
sl@0
|
293 |
if (aRect.iTl.iX < startLong)
|
|
sl@0
|
294 |
{
|
|
sl@0
|
295 |
TUint32 shadowed = shadowlutab[pixelPtr[-1] & 0xff];
|
|
sl@0
|
296 |
shadowed |= (shadowlutab[(pixelPtr[-1] >> 8) & 0xff] << 8);
|
|
sl@0
|
297 |
shadowed |= (shadowlutab[(pixelPtr[-1] >> 16) & 0xff] << 16);
|
|
sl@0
|
298 |
shadowed |= (shadowlutab[(pixelPtr[-1] >> 24) & 0xff] << 24);
|
|
sl@0
|
299 |
pixelPtr[-1] = PasteInt(pixelPtr[-1],shadowed,startShift);
|
|
sl@0
|
300 |
}
|
|
sl@0
|
301 |
|
|
sl@0
|
302 |
for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
|
|
sl@0
|
303 |
{
|
|
sl@0
|
304 |
TUint32 shadowed = shadowlutab[tempPixelPtr[0] & 0xff];
|
|
sl@0
|
305 |
shadowed |= (shadowlutab[(tempPixelPtr[0] >> 8) & 0xff] << 8);
|
|
sl@0
|
306 |
shadowed |= (shadowlutab[(tempPixelPtr[0] >> 16) & 0xff] << 16);
|
|
sl@0
|
307 |
shadowed |= (shadowlutab[(tempPixelPtr[0] >> 24) & 0xff] << 24);
|
|
sl@0
|
308 |
tempPixelPtr[0] = shadowed;
|
|
sl@0
|
309 |
}
|
|
sl@0
|
310 |
|
|
sl@0
|
311 |
if (finishLong < aRect.iBr.iX)
|
|
sl@0
|
312 |
{
|
|
sl@0
|
313 |
TUint32 shadowed = shadowlutab[pixelPtrLimit[0] & 0xff];
|
|
sl@0
|
314 |
shadowed |= (shadowlutab[(pixelPtrLimit[0] >> 8) & 0xff] << 8);
|
|
sl@0
|
315 |
shadowed |= (shadowlutab[(pixelPtrLimit[0] >> 16) & 0xff] << 16);
|
|
sl@0
|
316 |
shadowed |= (shadowlutab[(pixelPtrLimit[0] >> 24) & 0xff] << 24);
|
|
sl@0
|
317 |
pixelPtrLimit[0] = PasteInt(shadowed,pixelPtrLimit[0],finishShift);
|
|
sl@0
|
318 |
}
|
|
sl@0
|
319 |
|
|
sl@0
|
320 |
pixelPtr += iScanLineWords;
|
|
sl@0
|
321 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
322 |
}
|
|
sl@0
|
323 |
}
|
|
sl@0
|
324 |
}
|
|
sl@0
|
325 |
}
|
|
sl@0
|
326 |
|
|
sl@0
|
327 |
void CDrawFourBppBitmapGray::ShadeBuffer(TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
328 |
{
|
|
sl@0
|
329 |
__ASSERT_DEBUG(aBuffer != NULL,Panic(EScreenDriverPanicInvalidParameter));
|
|
sl@0
|
330 |
|
|
sl@0
|
331 |
const TUint32* bufferLimit = aBuffer + ((aLength + KPixelsPerWord - 1) / KPixelsPerWord);
|
|
sl@0
|
332 |
|
|
sl@0
|
333 |
while (aBuffer < bufferLimit)
|
|
sl@0
|
334 |
{
|
|
sl@0
|
335 |
TUint32 fourthbit = (0x88888888 & aBuffer[0]);
|
|
sl@0
|
336 |
aBuffer[0] = fourthbit | (fourthbit >> 1);
|
|
sl@0
|
337 |
aBuffer[0] |= aBuffer[0] >> 2;
|
|
sl@0
|
338 |
aBuffer++;
|
|
sl@0
|
339 |
}
|
|
sl@0
|
340 |
}
|
|
sl@0
|
341 |
|
|
sl@0
|
342 |
void CDrawFourBppBitmapGray::ShadowBuffer(TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
343 |
{
|
|
sl@0
|
344 |
__ASSERT_DEBUG(aBuffer != NULL,Panic(EScreenDriverPanicInvalidParameter));
|
|
sl@0
|
345 |
|
|
sl@0
|
346 |
const TUint32* bufferLimit = aBuffer + ((aLength + KPixelsPerWord - 1) / KPixelsPerWord);
|
|
sl@0
|
347 |
|
|
sl@0
|
348 |
if (iShadowMode & EFade)
|
|
sl@0
|
349 |
{
|
|
sl@0
|
350 |
for (TUint32* bufferPtr = aBuffer; bufferPtr < bufferLimit; bufferPtr++)
|
|
sl@0
|
351 |
bufferPtr[0] = FadeWord(bufferPtr[0]);
|
|
sl@0
|
352 |
}
|
|
sl@0
|
353 |
|
|
sl@0
|
354 |
if (iShadowMode & EShadow)
|
|
sl@0
|
355 |
{
|
|
sl@0
|
356 |
for (TUint32* bufferPtr = aBuffer; bufferPtr < bufferLimit; bufferPtr++)
|
|
sl@0
|
357 |
{
|
|
sl@0
|
358 |
TUint32 bufferWord = bufferPtr[0];
|
|
sl@0
|
359 |
|
|
sl@0
|
360 |
TUint firstbyte = shadowlutab[bufferWord & 0xff];
|
|
sl@0
|
361 |
bufferWord >>= 8;
|
|
sl@0
|
362 |
firstbyte |= (shadowlutab[bufferWord & 0xff] << 8);
|
|
sl@0
|
363 |
bufferWord >>= 8;
|
|
sl@0
|
364 |
firstbyte |= (shadowlutab[bufferWord & 0xff] << 16);
|
|
sl@0
|
365 |
bufferWord >>= 8;
|
|
sl@0
|
366 |
firstbyte |= (shadowlutab[bufferWord & 0xff] << 24);
|
|
sl@0
|
367 |
|
|
sl@0
|
368 |
bufferPtr[0] = firstbyte;
|
|
sl@0
|
369 |
}
|
|
sl@0
|
370 |
}
|
|
sl@0
|
371 |
}
|
|
sl@0
|
372 |
|
|
sl@0
|
373 |
void CDrawFourBppBitmapGray::WriteRgb(TInt aX,TInt aY,TRgb aColor)
|
|
sl@0
|
374 |
{
|
|
sl@0
|
375 |
TUint32 colorIndex = aColor._Gray16();
|
|
sl@0
|
376 |
|
|
sl@0
|
377 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
378 |
colorIndex = (colorIndex > 7) ? 15 : 0;
|
|
sl@0
|
379 |
else if (iUserDispMode == EGray4)
|
|
sl@0
|
380 |
colorIndex = Hash(colorIndex,aX,aY);
|
|
sl@0
|
381 |
|
|
sl@0
|
382 |
TUint32* pixelPtr = ScanLine(aY) + (aX / KPixelsPerWord);
|
|
sl@0
|
383 |
TInt shift = (aX & 7) * KBitsPerPixel;
|
|
sl@0
|
384 |
|
|
sl@0
|
385 |
pixelPtr[0] &= ~(0xf << shift);
|
|
sl@0
|
386 |
pixelPtr[0] |= colorIndex << shift;
|
|
sl@0
|
387 |
}
|
|
sl@0
|
388 |
|
|
sl@0
|
389 |
void CDrawFourBppBitmapGray::WriteBinary(TInt aX,TInt aY,TUint32* aData,TInt aLength,TInt aHeight,TRgb aColor)
|
|
sl@0
|
390 |
{
|
|
sl@0
|
391 |
TUint32 color1 = 0;
|
|
sl@0
|
392 |
TUint32 color2 = 0;
|
|
sl@0
|
393 |
const TInt yLimit = aY + aHeight;
|
|
sl@0
|
394 |
const TUint32 gray16 = aColor._Gray16();
|
|
sl@0
|
395 |
|
|
sl@0
|
396 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
397 |
{
|
|
sl@0
|
398 |
if (gray16 > 7)
|
|
sl@0
|
399 |
{
|
|
sl@0
|
400 |
color1 = 15;
|
|
sl@0
|
401 |
color2 = 15;
|
|
sl@0
|
402 |
}
|
|
sl@0
|
403 |
}
|
|
sl@0
|
404 |
else if (iUserDispMode != EGray4)
|
|
sl@0
|
405 |
{
|
|
sl@0
|
406 |
color1 = gray16;
|
|
sl@0
|
407 |
color2 = gray16;
|
|
sl@0
|
408 |
}
|
|
sl@0
|
409 |
|
|
sl@0
|
410 |
for (; aY < yLimit; aY++,aData++)
|
|
sl@0
|
411 |
{
|
|
sl@0
|
412 |
if (iUserDispMode == EGray4)
|
|
sl@0
|
413 |
{
|
|
sl@0
|
414 |
color1 = Hash(gray16,aX,aY);
|
|
sl@0
|
415 |
color2 = Hash(gray16,aX + 1,aY);
|
|
sl@0
|
416 |
}
|
|
sl@0
|
417 |
|
|
sl@0
|
418 |
TUint32 color = color1;
|
|
sl@0
|
419 |
TUint32 dataMask = 1;
|
|
sl@0
|
420 |
const TInt xLimit = aX + aLength;
|
|
sl@0
|
421 |
TUint8* pixelPtr = ((TUint8*)ScanLine(aY)) + (aX / 2);
|
|
sl@0
|
422 |
|
|
sl@0
|
423 |
if (color1 || color2)
|
|
sl@0
|
424 |
{
|
|
sl@0
|
425 |
for (TInt x = aX; x < xLimit; x++,dataMask <<= 1)
|
|
sl@0
|
426 |
{
|
|
sl@0
|
427 |
if (aData[0] & dataMask)
|
|
sl@0
|
428 |
{
|
|
sl@0
|
429 |
if(x & 1)
|
|
sl@0
|
430 |
pixelPtr[0] = (TUint8)(color << 4 | (pixelPtr[0] & 0x0f));
|
|
sl@0
|
431 |
else
|
|
sl@0
|
432 |
pixelPtr[0] = (TUint8)(color | (pixelPtr[0] & 0xf0));
|
|
sl@0
|
433 |
}
|
|
sl@0
|
434 |
|
|
sl@0
|
435 |
color = (color == color2) ? color1 : color2;
|
|
sl@0
|
436 |
if (x & 1)
|
|
sl@0
|
437 |
pixelPtr++;
|
|
sl@0
|
438 |
}
|
|
sl@0
|
439 |
}
|
|
sl@0
|
440 |
else
|
|
sl@0
|
441 |
{
|
|
sl@0
|
442 |
TUint8 bytemask = TUint8((aX & 1) ? 0x0f : 0xf0);
|
|
sl@0
|
443 |
|
|
sl@0
|
444 |
for (TInt x = aX; x < xLimit; x++,dataMask <<= 1,bytemask = (TUint8)~bytemask)
|
|
sl@0
|
445 |
{
|
|
sl@0
|
446 |
if (aData[0] & dataMask)
|
|
sl@0
|
447 |
pixelPtr[0] &= bytemask;
|
|
sl@0
|
448 |
|
|
sl@0
|
449 |
if (x & 1)
|
|
sl@0
|
450 |
pixelPtr++;
|
|
sl@0
|
451 |
}
|
|
sl@0
|
452 |
}
|
|
sl@0
|
453 |
}
|
|
sl@0
|
454 |
}
|
|
sl@0
|
455 |
|
|
sl@0
|
456 |
void CDrawFourBppBitmapGray::WriteBinaryOp(TInt aX,TInt aY,TUint32* aData,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode)
|
|
sl@0
|
457 |
{
|
|
sl@0
|
458 |
TUint32 color1 = 0;
|
|
sl@0
|
459 |
TUint32 color2 = 0;
|
|
sl@0
|
460 |
const TUint32 gray16 = aColor._Gray16();
|
|
sl@0
|
461 |
const TInt yLimit = aY + aHeight;
|
|
sl@0
|
462 |
|
|
sl@0
|
463 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
464 |
{
|
|
sl@0
|
465 |
if (gray16 > 7)
|
|
sl@0
|
466 |
{
|
|
sl@0
|
467 |
color1 = 15;
|
|
sl@0
|
468 |
color2 = 15;
|
|
sl@0
|
469 |
}
|
|
sl@0
|
470 |
}
|
|
sl@0
|
471 |
else if(iUserDispMode != EGray4)
|
|
sl@0
|
472 |
{
|
|
sl@0
|
473 |
color1 = gray16;
|
|
sl@0
|
474 |
color2 = gray16;
|
|
sl@0
|
475 |
}
|
|
sl@0
|
476 |
|
|
sl@0
|
477 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
478 |
{
|
|
sl@0
|
479 |
if (iUserDispMode == EGray4)
|
|
sl@0
|
480 |
{
|
|
sl@0
|
481 |
color1 = Hash(gray16,aX,aY);
|
|
sl@0
|
482 |
color2 = Hash(gray16,aX + 1,aY);
|
|
sl@0
|
483 |
}
|
|
sl@0
|
484 |
|
|
sl@0
|
485 |
TUint32 color = color1;
|
|
sl@0
|
486 |
TUint32 dataMask = 1;
|
|
sl@0
|
487 |
const TInt xLimit = aX + aLength;
|
|
sl@0
|
488 |
TUint8* pixelPtr = ((TUint8*)ScanLine(aY)) + (aX / 2);
|
|
sl@0
|
489 |
|
|
sl@0
|
490 |
if(color1 || color2)
|
|
sl@0
|
491 |
{
|
|
sl@0
|
492 |
for (TInt x = aX; x < xLimit; x++,dataMask <<= 1)
|
|
sl@0
|
493 |
{
|
|
sl@0
|
494 |
if (aData[0] & dataMask)
|
|
sl@0
|
495 |
{
|
|
sl@0
|
496 |
if (x & 1)
|
|
sl@0
|
497 |
{
|
|
sl@0
|
498 |
if (aDrawMode == CGraphicsContext::EDrawModeXOR)
|
|
sl@0
|
499 |
pixelPtr[0] = (TUint8)((color << 4) ^ pixelPtr[0]);
|
|
sl@0
|
500 |
else if (aDrawMode == CGraphicsContext::EDrawModeAND)
|
|
sl@0
|
501 |
pixelPtr[0] = (TUint8)(((color << 4) | 0x0f) & pixelPtr[0]);
|
|
sl@0
|
502 |
else if (aDrawMode==CGraphicsContext::EDrawModeOR)
|
|
sl@0
|
503 |
pixelPtr[0] = (TUint8)((color << 4) | pixelPtr[0]);
|
|
sl@0
|
504 |
}
|
|
sl@0
|
505 |
else
|
|
sl@0
|
506 |
{
|
|
sl@0
|
507 |
if (aDrawMode == CGraphicsContext::EDrawModeXOR)
|
|
sl@0
|
508 |
pixelPtr[0] = (TUint8)(color ^ pixelPtr[0]);
|
|
sl@0
|
509 |
else if (aDrawMode == CGraphicsContext::EDrawModeAND)
|
|
sl@0
|
510 |
pixelPtr[0] = (TUint8)((color | 0xf0) & pixelPtr[0]);
|
|
sl@0
|
511 |
else if (aDrawMode==CGraphicsContext::EDrawModeOR)
|
|
sl@0
|
512 |
pixelPtr[0] = (TUint8)(color | pixelPtr[0]);
|
|
sl@0
|
513 |
}
|
|
sl@0
|
514 |
}
|
|
sl@0
|
515 |
|
|
sl@0
|
516 |
color = (color == color2) ? color1 : color2;
|
|
sl@0
|
517 |
if (x & 1)
|
|
sl@0
|
518 |
pixelPtr++;
|
|
sl@0
|
519 |
}
|
|
sl@0
|
520 |
}
|
|
sl@0
|
521 |
else
|
|
sl@0
|
522 |
{
|
|
sl@0
|
523 |
TUint8 bytemask = TUint8((aX & 1) ? 0x0f : 0xf0);
|
|
sl@0
|
524 |
|
|
sl@0
|
525 |
if (aDrawMode == CGraphicsContext::EDrawModeAND)
|
|
sl@0
|
526 |
{
|
|
sl@0
|
527 |
for (TInt x = aX; x < xLimit; x++,dataMask <<= 1,bytemask = (TUint8)~bytemask)
|
|
sl@0
|
528 |
{
|
|
sl@0
|
529 |
if (aData[0] & dataMask)
|
|
sl@0
|
530 |
pixelPtr[0] &= bytemask;
|
|
sl@0
|
531 |
|
|
sl@0
|
532 |
if (x & 1)
|
|
sl@0
|
533 |
pixelPtr++;
|
|
sl@0
|
534 |
}
|
|
sl@0
|
535 |
}
|
|
sl@0
|
536 |
}
|
|
sl@0
|
537 |
|
|
sl@0
|
538 |
aData++;
|
|
sl@0
|
539 |
}
|
|
sl@0
|
540 |
}
|
|
sl@0
|
541 |
|
|
sl@0
|
542 |
void CDrawFourBppBitmapGray::WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aData,TInt aLength,TRgb aColor,TBool aUp)
|
|
sl@0
|
543 |
{
|
|
sl@0
|
544 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
545 |
aColor = TRgb::_Gray2(aColor._Gray2());
|
|
sl@0
|
546 |
|
|
sl@0
|
547 |
TUint32 color1 = 0;
|
|
sl@0
|
548 |
TUint32 color2 = 0;
|
|
sl@0
|
549 |
const TUint32 gray16 = aColor._Gray16();
|
|
sl@0
|
550 |
|
|
sl@0
|
551 |
if (iUserDispMode == EGray4 && gray16 % 5 != 0)
|
|
sl@0
|
552 |
{
|
|
sl@0
|
553 |
color1 = Hash(gray16,aX,aY);
|
|
sl@0
|
554 |
color2 = Hash(gray16,aX,aY + 1);
|
|
sl@0
|
555 |
}
|
|
sl@0
|
556 |
else
|
|
sl@0
|
557 |
color1 = color2 = gray16;
|
|
sl@0
|
558 |
|
|
sl@0
|
559 |
const TInt yLimit = aY + (aUp ? -aLength : aLength);
|
|
sl@0
|
560 |
const TInt scanLineWords = aUp ? -iScanLineWords : iScanLineWords;
|
|
sl@0
|
561 |
const TInt startword = aX / KPixelsPerWord;
|
|
sl@0
|
562 |
const TInt startShift = (aX & 7) * KBitsPerPixel;
|
|
sl@0
|
563 |
TUint32* pixelPtr = ScanLine(aY) + startword;
|
|
sl@0
|
564 |
const TUint32* pixelPtrLimit = ScanLine(yLimit) + startword;
|
|
sl@0
|
565 |
const TUint32 mask = ~(0xf << startShift);
|
|
sl@0
|
566 |
TUint32 dataMask = 1;
|
|
sl@0
|
567 |
|
|
sl@0
|
568 |
if (color1 || color2)
|
|
sl@0
|
569 |
{
|
|
sl@0
|
570 |
color1 <<= startShift;
|
|
sl@0
|
571 |
color2 <<= startShift;
|
|
sl@0
|
572 |
TUint32 color = color1;
|
|
sl@0
|
573 |
|
|
sl@0
|
574 |
while (pixelPtr != pixelPtrLimit)
|
|
sl@0
|
575 |
{
|
|
sl@0
|
576 |
if (!dataMask)
|
|
sl@0
|
577 |
{
|
|
sl@0
|
578 |
dataMask = 1;
|
|
sl@0
|
579 |
aData++;
|
|
sl@0
|
580 |
}
|
|
sl@0
|
581 |
|
|
sl@0
|
582 |
if (aData[0] & dataMask)
|
|
sl@0
|
583 |
{
|
|
sl@0
|
584 |
pixelPtr[0] &= mask;
|
|
sl@0
|
585 |
pixelPtr[0] |= color;
|
|
sl@0
|
586 |
}
|
|
sl@0
|
587 |
|
|
sl@0
|
588 |
dataMask <<= 1;
|
|
sl@0
|
589 |
pixelPtr += scanLineWords;
|
|
sl@0
|
590 |
color = (color == color2) ? color1 : color2;
|
|
sl@0
|
591 |
}
|
|
sl@0
|
592 |
}
|
|
sl@0
|
593 |
else
|
|
sl@0
|
594 |
{
|
|
sl@0
|
595 |
while (pixelPtr != pixelPtrLimit)
|
|
sl@0
|
596 |
{
|
|
sl@0
|
597 |
if (!dataMask)
|
|
sl@0
|
598 |
{
|
|
sl@0
|
599 |
dataMask = 1;
|
|
sl@0
|
600 |
aData++;
|
|
sl@0
|
601 |
}
|
|
sl@0
|
602 |
|
|
sl@0
|
603 |
if (aData[0] & dataMask)
|
|
sl@0
|
604 |
pixelPtr[0] &= mask;
|
|
sl@0
|
605 |
|
|
sl@0
|
606 |
dataMask <<= 1;
|
|
sl@0
|
607 |
pixelPtr += scanLineWords;
|
|
sl@0
|
608 |
}
|
|
sl@0
|
609 |
}
|
|
sl@0
|
610 |
}
|
|
sl@0
|
611 |
|
|
sl@0
|
612 |
void CDrawFourBppBitmapGray::WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
613 |
{
|
|
sl@0
|
614 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
615 |
ShadeBuffer(aLength,aBuffer);
|
|
sl@0
|
616 |
else if (iUserDispMode == EGray4)
|
|
sl@0
|
617 |
DitherBuffer(aX,aY,aLength,aBuffer);
|
|
sl@0
|
618 |
|
|
sl@0
|
619 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
620 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
621 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
622 |
const TInt startShiftExtra = 32 - startShift;
|
|
sl@0
|
623 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
624 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
625 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
626 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
627 |
|
|
sl@0
|
628 |
if (finishLong < startLong)
|
|
sl@0
|
629 |
{
|
|
sl@0
|
630 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
|
|
sl@0
|
631 |
pixelPtrLimit[0] &= ~mask;
|
|
sl@0
|
632 |
pixelPtrLimit[0] |= (aBuffer[0] << startShiftExtra) & mask;
|
|
sl@0
|
633 |
return;
|
|
sl@0
|
634 |
}
|
|
sl@0
|
635 |
|
|
sl@0
|
636 |
const TInt wordsToCopy = pixelPtrLimit - pixelPtr;
|
|
sl@0
|
637 |
|
|
sl@0
|
638 |
if (startShift > 0)
|
|
sl@0
|
639 |
{
|
|
sl@0
|
640 |
pixelPtr[-1] &= 0xffffffff >> startShift;
|
|
sl@0
|
641 |
pixelPtr[-1] |= aBuffer[0] << startShiftExtra;
|
|
sl@0
|
642 |
|
|
sl@0
|
643 |
CopyOffset(pixelPtr,aBuffer,wordsToCopy,startShift);
|
|
sl@0
|
644 |
aBuffer += wordsToCopy;
|
|
sl@0
|
645 |
|
|
sl@0
|
646 |
if (finishLong < aX + aLength)
|
|
sl@0
|
647 |
{
|
|
sl@0
|
648 |
TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
|
|
sl@0
|
649 |
pixelPtrLimit[0] = PasteInt(first,pixelPtrLimit[0],finishShift);
|
|
sl@0
|
650 |
}
|
|
sl@0
|
651 |
}
|
|
sl@0
|
652 |
else
|
|
sl@0
|
653 |
{
|
|
sl@0
|
654 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
655 |
*pixelPtr++ = *aBuffer++;
|
|
sl@0
|
656 |
|
|
sl@0
|
657 |
if (finishLong < aX + aLength)
|
|
sl@0
|
658 |
pixelPtrLimit[0] = PasteInt(aBuffer[0],pixelPtrLimit[0],finishShift);
|
|
sl@0
|
659 |
}
|
|
sl@0
|
660 |
}
|
|
sl@0
|
661 |
|
|
sl@0
|
662 |
void CDrawFourBppBitmapGray::WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
663 |
{
|
|
sl@0
|
664 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
665 |
ShadeBuffer(aLength,aBuffer);
|
|
sl@0
|
666 |
else if (iUserDispMode == EGray4)
|
|
sl@0
|
667 |
DitherBuffer(aX,aY,aLength,aBuffer);
|
|
sl@0
|
668 |
|
|
sl@0
|
669 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
670 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
671 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
672 |
const TInt startShiftExtra = 32 - startShift;
|
|
sl@0
|
673 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
674 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
675 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
676 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
677 |
|
|
sl@0
|
678 |
if (finishLong < startLong)
|
|
sl@0
|
679 |
{
|
|
sl@0
|
680 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
|
|
sl@0
|
681 |
pixelPtrLimit[0] ^= (aBuffer[0] << startShiftExtra) & mask;
|
|
sl@0
|
682 |
return;
|
|
sl@0
|
683 |
}
|
|
sl@0
|
684 |
|
|
sl@0
|
685 |
if (startShift > 0)
|
|
sl@0
|
686 |
{
|
|
sl@0
|
687 |
pixelPtr[-1] ^= aBuffer[0] << startShiftExtra;
|
|
sl@0
|
688 |
|
|
sl@0
|
689 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
690 |
{
|
|
sl@0
|
691 |
pixelPtr[0] ^= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
|
|
sl@0
|
692 |
|
|
sl@0
|
693 |
pixelPtr++;
|
|
sl@0
|
694 |
aBuffer++;
|
|
sl@0
|
695 |
}
|
|
sl@0
|
696 |
|
|
sl@0
|
697 |
if (finishLong < aX + aLength)
|
|
sl@0
|
698 |
{
|
|
sl@0
|
699 |
TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
|
|
sl@0
|
700 |
pixelPtrLimit[0] ^= PasteInt(first,0,finishShift);
|
|
sl@0
|
701 |
}
|
|
sl@0
|
702 |
}
|
|
sl@0
|
703 |
else
|
|
sl@0
|
704 |
{
|
|
sl@0
|
705 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
706 |
*pixelPtr++ ^= *aBuffer++;
|
|
sl@0
|
707 |
|
|
sl@0
|
708 |
if (finishLong < aX + aLength)
|
|
sl@0
|
709 |
pixelPtrLimit[0] ^= PasteInt(aBuffer[0],0,finishShift);
|
|
sl@0
|
710 |
}
|
|
sl@0
|
711 |
}
|
|
sl@0
|
712 |
|
|
sl@0
|
713 |
void CDrawFourBppBitmapGray::WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
714 |
{
|
|
sl@0
|
715 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
716 |
ShadeBuffer(aLength,aBuffer);
|
|
sl@0
|
717 |
else if (iUserDispMode == EGray4)
|
|
sl@0
|
718 |
DitherBuffer(aX,aY,aLength,aBuffer);
|
|
sl@0
|
719 |
|
|
sl@0
|
720 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
721 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
722 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
723 |
const TInt startShiftExtra = 32 - startShift;
|
|
sl@0
|
724 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
725 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
726 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
727 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
728 |
|
|
sl@0
|
729 |
if (finishLong < startLong)
|
|
sl@0
|
730 |
{
|
|
sl@0
|
731 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
|
|
sl@0
|
732 |
pixelPtrLimit[0] &= (aBuffer[0] << startShiftExtra) | ~mask;
|
|
sl@0
|
733 |
return;
|
|
sl@0
|
734 |
}
|
|
sl@0
|
735 |
|
|
sl@0
|
736 |
if (startShift > 0)
|
|
sl@0
|
737 |
{
|
|
sl@0
|
738 |
pixelPtr[-1] &= (aBuffer[0] << startShiftExtra) | (0xffffffff >> startShift);
|
|
sl@0
|
739 |
|
|
sl@0
|
740 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
741 |
{
|
|
sl@0
|
742 |
pixelPtr[0] &= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
|
|
sl@0
|
743 |
|
|
sl@0
|
744 |
pixelPtr++;
|
|
sl@0
|
745 |
aBuffer++;
|
|
sl@0
|
746 |
}
|
|
sl@0
|
747 |
|
|
sl@0
|
748 |
if (finishLong < aX + aLength)
|
|
sl@0
|
749 |
{
|
|
sl@0
|
750 |
TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
|
|
sl@0
|
751 |
pixelPtrLimit[0] &= PasteInt(first,0xffffffff,finishShift);
|
|
sl@0
|
752 |
}
|
|
sl@0
|
753 |
}
|
|
sl@0
|
754 |
else
|
|
sl@0
|
755 |
{
|
|
sl@0
|
756 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
757 |
*pixelPtr++ &= *aBuffer++;
|
|
sl@0
|
758 |
|
|
sl@0
|
759 |
if (finishLong < aX + aLength)
|
|
sl@0
|
760 |
pixelPtrLimit[0] &= PasteInt(aBuffer[0],0xffffffff,finishShift);
|
|
sl@0
|
761 |
}
|
|
sl@0
|
762 |
}
|
|
sl@0
|
763 |
|
|
sl@0
|
764 |
void CDrawFourBppBitmapGray::WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
765 |
{
|
|
sl@0
|
766 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
767 |
ShadeBuffer(aLength,aBuffer);
|
|
sl@0
|
768 |
else if (iUserDispMode == EGray4)
|
|
sl@0
|
769 |
DitherBuffer(aX,aY,aLength,aBuffer);
|
|
sl@0
|
770 |
|
|
sl@0
|
771 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
772 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
773 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
774 |
const TInt startShiftExtra = 32 - startShift;
|
|
sl@0
|
775 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
776 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
777 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
778 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
779 |
|
|
sl@0
|
780 |
if (finishLong < startLong)
|
|
sl@0
|
781 |
{
|
|
sl@0
|
782 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << startShiftExtra);
|
|
sl@0
|
783 |
pixelPtrLimit[0] |= (aBuffer[0] << startShiftExtra) & mask;
|
|
sl@0
|
784 |
return;
|
|
sl@0
|
785 |
}
|
|
sl@0
|
786 |
|
|
sl@0
|
787 |
if (startShift > 0)
|
|
sl@0
|
788 |
{
|
|
sl@0
|
789 |
pixelPtr[-1] |= aBuffer[0] << startShiftExtra;
|
|
sl@0
|
790 |
|
|
sl@0
|
791 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
792 |
{
|
|
sl@0
|
793 |
pixelPtr[0] |= (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
|
|
sl@0
|
794 |
|
|
sl@0
|
795 |
pixelPtr++;
|
|
sl@0
|
796 |
aBuffer++;
|
|
sl@0
|
797 |
}
|
|
sl@0
|
798 |
|
|
sl@0
|
799 |
if (finishLong < aX + aLength)
|
|
sl@0
|
800 |
{
|
|
sl@0
|
801 |
TUint32 first = (aBuffer[0] >> startShift) | (aBuffer[1] << startShiftExtra);
|
|
sl@0
|
802 |
pixelPtrLimit[0] |= PasteInt(first,0,finishShift);
|
|
sl@0
|
803 |
}
|
|
sl@0
|
804 |
}
|
|
sl@0
|
805 |
else
|
|
sl@0
|
806 |
{
|
|
sl@0
|
807 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
808 |
*pixelPtr++ |= *aBuffer++;
|
|
sl@0
|
809 |
|
|
sl@0
|
810 |
if (finishLong < aX + aLength)
|
|
sl@0
|
811 |
pixelPtrLimit[0] |= PasteInt(aBuffer[0],0,finishShift);
|
|
sl@0
|
812 |
}
|
|
sl@0
|
813 |
}
|
|
sl@0
|
814 |
|
|
sl@0
|
815 |
/**
|
|
sl@0
|
816 |
MAlphaBlend::WriteRgbAlphaLine() implementation.
|
|
sl@0
|
817 |
@see MAlphaBlend::WriteRgbAlphaLine()
|
|
sl@0
|
818 |
*/
|
|
sl@0
|
819 |
void CDrawFourBppBitmapGray::WriteRgbAlphaLine(TInt aX, TInt aY, TInt aLength,
|
|
sl@0
|
820 |
const TUint8* aRgbBuffer,
|
|
sl@0
|
821 |
const TUint8* aMaskBuffer,
|
|
sl@0
|
822 |
MAlphaBlend::TShadowing aShadowing,
|
|
sl@0
|
823 |
CGraphicsContext::TDrawMode /*aDrawMode*/)
|
|
sl@0
|
824 |
{
|
|
sl@0
|
825 |
TUint8* pixelPtr = REINTERPRET_CAST(TUint8*,ScanLine(aY)) + (aX / 2);
|
|
sl@0
|
826 |
TRgb pixelClr;
|
|
sl@0
|
827 |
|
|
sl@0
|
828 |
if (aX & 1)
|
|
sl@0
|
829 |
{
|
|
sl@0
|
830 |
TRgb srcColor(aRgbBuffer[2],aRgbBuffer[1],aRgbBuffer[0]);
|
|
sl@0
|
831 |
if(aShadowing == MAlphaBlend::EShdwBefore)
|
|
sl@0
|
832 |
{
|
|
sl@0
|
833 |
Shadow(srcColor);
|
|
sl@0
|
834 |
}
|
|
sl@0
|
835 |
TInt pixelValue = (pixelPtr[0] >> 4) * (255 - aMaskBuffer[0]);
|
|
sl@0
|
836 |
TInt srceValue = (((srcColor.Red() << 1) +
|
|
sl@0
|
837 |
srcColor.Green() + (srcColor.Green() << 2) +
|
|
sl@0
|
838 |
srcColor.Blue()) >> 7) * aMaskBuffer[0];
|
|
sl@0
|
839 |
|
|
sl@0
|
840 |
pixelValue += srceValue;
|
|
sl@0
|
841 |
pixelValue /= 255;
|
|
sl@0
|
842 |
|
|
sl@0
|
843 |
pixelClr = TRgb::_Gray16(pixelValue);
|
|
sl@0
|
844 |
if(aShadowing == MAlphaBlend::EShdwAfter)
|
|
sl@0
|
845 |
{
|
|
sl@0
|
846 |
Shadow(pixelClr);
|
|
sl@0
|
847 |
}
|
|
sl@0
|
848 |
MapColorToUserDisplayMode(pixelClr);
|
|
sl@0
|
849 |
|
|
sl@0
|
850 |
pixelPtr[0] &= 0x0f;
|
|
sl@0
|
851 |
pixelPtr[0] |= TUint8(pixelClr._Gray16() << 4);
|
|
sl@0
|
852 |
|
|
sl@0
|
853 |
pixelPtr++;
|
|
sl@0
|
854 |
aRgbBuffer += 4;
|
|
sl@0
|
855 |
aMaskBuffer++;
|
|
sl@0
|
856 |
aLength--;
|
|
sl@0
|
857 |
}
|
|
sl@0
|
858 |
|
|
sl@0
|
859 |
const TUint8* pixelPtrLimit = pixelPtr + (aLength / 2);
|
|
sl@0
|
860 |
|
|
sl@0
|
861 |
while (pixelPtr < pixelPtrLimit)
|
|
sl@0
|
862 |
{
|
|
sl@0
|
863 |
TRgb srcColor1(aRgbBuffer[2],aRgbBuffer[1],aRgbBuffer[0]);
|
|
sl@0
|
864 |
if(aShadowing == MAlphaBlend::EShdwBefore)
|
|
sl@0
|
865 |
{
|
|
sl@0
|
866 |
Shadow(srcColor1);
|
|
sl@0
|
867 |
}
|
|
sl@0
|
868 |
TInt pixelValue = (pixelPtr[0] & 0x0f) * (255 - aMaskBuffer[0]);
|
|
sl@0
|
869 |
TInt srceValue = (((srcColor1.Red() << 1) +
|
|
sl@0
|
870 |
srcColor1.Green() + (srcColor1.Green() << 2) +
|
|
sl@0
|
871 |
srcColor1.Blue()) >> 7) * aMaskBuffer[0];
|
|
sl@0
|
872 |
|
|
sl@0
|
873 |
pixelValue += srceValue;
|
|
sl@0
|
874 |
pixelValue /= 255;
|
|
sl@0
|
875 |
|
|
sl@0
|
876 |
TInt nextValue = (pixelPtr[0] >> 4) * (255 - aMaskBuffer[1]);
|
|
sl@0
|
877 |
|
|
sl@0
|
878 |
pixelClr = TRgb::_Gray16(pixelValue);
|
|
sl@0
|
879 |
if(aShadowing == MAlphaBlend::EShdwAfter)
|
|
sl@0
|
880 |
{
|
|
sl@0
|
881 |
Shadow(pixelClr);
|
|
sl@0
|
882 |
}
|
|
sl@0
|
883 |
MapColorToUserDisplayMode(pixelClr);
|
|
sl@0
|
884 |
|
|
sl@0
|
885 |
pixelPtr[0] = TUint8(pixelClr._Gray16());
|
|
sl@0
|
886 |
|
|
sl@0
|
887 |
TRgb srcColor2(aRgbBuffer[6],aRgbBuffer[5],aRgbBuffer[4]);
|
|
sl@0
|
888 |
if(aShadowing == MAlphaBlend::EShdwBefore)
|
|
sl@0
|
889 |
{
|
|
sl@0
|
890 |
Shadow(srcColor2);
|
|
sl@0
|
891 |
}
|
|
sl@0
|
892 |
srceValue = (((srcColor2.Red() << 1) +
|
|
sl@0
|
893 |
srcColor2.Green() + (srcColor2.Green() << 2) +
|
|
sl@0
|
894 |
srcColor2.Blue()) >> 7) * aMaskBuffer[1];
|
|
sl@0
|
895 |
|
|
sl@0
|
896 |
nextValue += srceValue;
|
|
sl@0
|
897 |
nextValue /= 255;
|
|
sl@0
|
898 |
|
|
sl@0
|
899 |
pixelClr = TRgb::_Gray16(nextValue);
|
|
sl@0
|
900 |
if(aShadowing == MAlphaBlend::EShdwAfter)
|
|
sl@0
|
901 |
{
|
|
sl@0
|
902 |
Shadow(pixelClr);
|
|
sl@0
|
903 |
}
|
|
sl@0
|
904 |
MapColorToUserDisplayMode(pixelClr);
|
|
sl@0
|
905 |
|
|
sl@0
|
906 |
pixelPtr[0] |= TUint8(pixelClr._Gray16() << 4);
|
|
sl@0
|
907 |
|
|
sl@0
|
908 |
pixelPtr++;
|
|
sl@0
|
909 |
aRgbBuffer += 8;
|
|
sl@0
|
910 |
aMaskBuffer += 2;
|
|
sl@0
|
911 |
}
|
|
sl@0
|
912 |
|
|
sl@0
|
913 |
if (aLength & 1)
|
|
sl@0
|
914 |
{
|
|
sl@0
|
915 |
TRgb srcColor(aRgbBuffer[2],aRgbBuffer[1],aRgbBuffer[0]);
|
|
sl@0
|
916 |
if(aShadowing == MAlphaBlend::EShdwBefore)
|
|
sl@0
|
917 |
{
|
|
sl@0
|
918 |
Shadow(srcColor);
|
|
sl@0
|
919 |
}
|
|
sl@0
|
920 |
TInt pixelValue = (pixelPtr[0] & 0x0f) * (255 - aMaskBuffer[0]);
|
|
sl@0
|
921 |
TInt srceValue = (((srcColor.Red() << 1) +
|
|
sl@0
|
922 |
srcColor.Green() + (srcColor.Green() << 2) +
|
|
sl@0
|
923 |
srcColor.Blue()) >> 7) * aMaskBuffer[0];
|
|
sl@0
|
924 |
|
|
sl@0
|
925 |
pixelValue += srceValue;
|
|
sl@0
|
926 |
pixelValue /= 255;
|
|
sl@0
|
927 |
|
|
sl@0
|
928 |
pixelClr = TRgb::_Gray16(pixelValue);
|
|
sl@0
|
929 |
if(aShadowing == MAlphaBlend::EShdwAfter)
|
|
sl@0
|
930 |
{
|
|
sl@0
|
931 |
Shadow(pixelClr);
|
|
sl@0
|
932 |
}
|
|
sl@0
|
933 |
MapColorToUserDisplayMode(pixelClr);
|
|
sl@0
|
934 |
|
|
sl@0
|
935 |
pixelPtr[0] &= 0xf0;
|
|
sl@0
|
936 |
pixelPtr[0] |= TUint8(pixelClr._Gray16());
|
|
sl@0
|
937 |
}
|
|
sl@0
|
938 |
}
|
|
sl@0
|
939 |
|
|
sl@0
|
940 |
void CDrawFourBppBitmapGray::WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
|
|
sl@0
|
941 |
{
|
|
sl@0
|
942 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
943 |
aColor = TRgb::_Gray2(aColor._Gray2());
|
|
sl@0
|
944 |
|
|
sl@0
|
945 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
946 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
947 |
const TInt yLimit = aY + aHeight;
|
|
sl@0
|
948 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
949 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
950 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
951 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
952 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
953 |
|
|
sl@0
|
954 |
TUint32 colorWord1,colorWord2;
|
|
sl@0
|
955 |
if (iUserDispMode == EGray4 && aColor._Gray16() % 5 != 0)
|
|
sl@0
|
956 |
{
|
|
sl@0
|
957 |
colorWord1 = HashInt(aColor,startLong,aY);
|
|
sl@0
|
958 |
colorWord2 = HashInt(aColor,startLong,aY + 1);
|
|
sl@0
|
959 |
}
|
|
sl@0
|
960 |
else
|
|
sl@0
|
961 |
colorWord1 = colorWord2 = ColorInt(aColor);
|
|
sl@0
|
962 |
TUint32 colorWord = colorWord1;
|
|
sl@0
|
963 |
|
|
sl@0
|
964 |
if (finishLong < startLong)
|
|
sl@0
|
965 |
{
|
|
sl@0
|
966 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
|
|
sl@0
|
967 |
const TUint32 invertedMask = ~mask;
|
|
sl@0
|
968 |
colorWord &= mask;
|
|
sl@0
|
969 |
colorWord1 &= mask;
|
|
sl@0
|
970 |
colorWord2 &= mask;
|
|
sl@0
|
971 |
|
|
sl@0
|
972 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
973 |
{
|
|
sl@0
|
974 |
pixelPtrLimit[0] &= invertedMask;
|
|
sl@0
|
975 |
pixelPtrLimit[0] |= colorWord;
|
|
sl@0
|
976 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
977 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
978 |
}
|
|
sl@0
|
979 |
return;
|
|
sl@0
|
980 |
}
|
|
sl@0
|
981 |
|
|
sl@0
|
982 |
const TBool extra = (finishLong < aX + aLength);
|
|
sl@0
|
983 |
|
|
sl@0
|
984 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
985 |
{
|
|
sl@0
|
986 |
if (startShift > 0)
|
|
sl@0
|
987 |
pixelPtr[-1] = PasteInt(pixelPtr[-1],colorWord,startShift);
|
|
sl@0
|
988 |
|
|
sl@0
|
989 |
for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
|
|
sl@0
|
990 |
tempPixelPtr[0] = colorWord;
|
|
sl@0
|
991 |
|
|
sl@0
|
992 |
if (extra)
|
|
sl@0
|
993 |
pixelPtrLimit[0] = PasteInt(colorWord,pixelPtrLimit[0],finishShift);
|
|
sl@0
|
994 |
|
|
sl@0
|
995 |
pixelPtr += iScanLineWords;
|
|
sl@0
|
996 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
997 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
998 |
}
|
|
sl@0
|
999 |
}
|
|
sl@0
|
1000 |
|
|
sl@0
|
1001 |
void CDrawFourBppBitmapGray::WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
|
|
sl@0
|
1002 |
{
|
|
sl@0
|
1003 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
1004 |
aColor = TRgb::_Gray2(aColor._Gray2());
|
|
sl@0
|
1005 |
|
|
sl@0
|
1006 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
1007 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
1008 |
const TInt yLimit = aY + aHeight;
|
|
sl@0
|
1009 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
1010 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
1011 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
1012 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
1013 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
1014 |
|
|
sl@0
|
1015 |
TUint32 colorWord1,colorWord2;
|
|
sl@0
|
1016 |
if (iUserDispMode == EGray4 && aColor._Gray16() % 5 != 0)
|
|
sl@0
|
1017 |
{
|
|
sl@0
|
1018 |
colorWord1 = HashInt(aColor,startLong,aY);
|
|
sl@0
|
1019 |
colorWord2 = HashInt(aColor,startLong,aY + 1);
|
|
sl@0
|
1020 |
}
|
|
sl@0
|
1021 |
else
|
|
sl@0
|
1022 |
colorWord1 = colorWord2 = ColorInt(aColor);
|
|
sl@0
|
1023 |
TUint32 colorWord = colorWord1;
|
|
sl@0
|
1024 |
|
|
sl@0
|
1025 |
if (finishLong < startLong)
|
|
sl@0
|
1026 |
{
|
|
sl@0
|
1027 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
|
|
sl@0
|
1028 |
colorWord &= mask;
|
|
sl@0
|
1029 |
colorWord1 &= mask;
|
|
sl@0
|
1030 |
colorWord2 &= mask;
|
|
sl@0
|
1031 |
|
|
sl@0
|
1032 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
1033 |
{
|
|
sl@0
|
1034 |
pixelPtrLimit[0] ^= colorWord;
|
|
sl@0
|
1035 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
1036 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
1037 |
}
|
|
sl@0
|
1038 |
return;
|
|
sl@0
|
1039 |
}
|
|
sl@0
|
1040 |
|
|
sl@0
|
1041 |
const TBool extra = (finishLong < aX + aLength);
|
|
sl@0
|
1042 |
|
|
sl@0
|
1043 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
1044 |
{
|
|
sl@0
|
1045 |
if (startShift > 0)
|
|
sl@0
|
1046 |
pixelPtr[-1] ^= PasteInt(0,colorWord,startShift);
|
|
sl@0
|
1047 |
|
|
sl@0
|
1048 |
for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
|
|
sl@0
|
1049 |
tempPixelPtr[0] ^= colorWord;
|
|
sl@0
|
1050 |
|
|
sl@0
|
1051 |
if (extra)
|
|
sl@0
|
1052 |
pixelPtrLimit[0] ^= PasteInt(colorWord,0,finishShift);
|
|
sl@0
|
1053 |
|
|
sl@0
|
1054 |
pixelPtr += iScanLineWords;
|
|
sl@0
|
1055 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
1056 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
1057 |
}
|
|
sl@0
|
1058 |
}
|
|
sl@0
|
1059 |
|
|
sl@0
|
1060 |
void CDrawFourBppBitmapGray::WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
|
|
sl@0
|
1061 |
{
|
|
sl@0
|
1062 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
1063 |
aColor = TRgb::_Gray2(aColor._Gray2());
|
|
sl@0
|
1064 |
|
|
sl@0
|
1065 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
1066 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
1067 |
const TInt yLimit = aY + aHeight;
|
|
sl@0
|
1068 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
1069 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
1070 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
1071 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
1072 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
1073 |
|
|
sl@0
|
1074 |
TUint32 colorWord1,colorWord2;
|
|
sl@0
|
1075 |
if (iUserDispMode == EGray4 && aColor._Gray16() % 5 != 0)
|
|
sl@0
|
1076 |
{
|
|
sl@0
|
1077 |
colorWord1 = HashInt(aColor,startLong,aY);
|
|
sl@0
|
1078 |
colorWord2 = HashInt(aColor,startLong,aY + 1);
|
|
sl@0
|
1079 |
}
|
|
sl@0
|
1080 |
else
|
|
sl@0
|
1081 |
colorWord1 = colorWord2 = ColorInt(aColor);
|
|
sl@0
|
1082 |
TUint32 colorWord = colorWord1;
|
|
sl@0
|
1083 |
|
|
sl@0
|
1084 |
if (finishLong < startLong)
|
|
sl@0
|
1085 |
{
|
|
sl@0
|
1086 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
|
|
sl@0
|
1087 |
const TUint32 invertedMask = ~mask;
|
|
sl@0
|
1088 |
colorWord &= mask;
|
|
sl@0
|
1089 |
colorWord1 &= mask;
|
|
sl@0
|
1090 |
colorWord2 &= mask;
|
|
sl@0
|
1091 |
colorWord |= invertedMask;
|
|
sl@0
|
1092 |
colorWord1 |= invertedMask;
|
|
sl@0
|
1093 |
colorWord2 |= invertedMask;
|
|
sl@0
|
1094 |
|
|
sl@0
|
1095 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
1096 |
{
|
|
sl@0
|
1097 |
pixelPtrLimit[0] &= colorWord;
|
|
sl@0
|
1098 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
1099 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
1100 |
}
|
|
sl@0
|
1101 |
return;
|
|
sl@0
|
1102 |
}
|
|
sl@0
|
1103 |
|
|
sl@0
|
1104 |
const TBool extra = (finishLong < aX + aLength);
|
|
sl@0
|
1105 |
|
|
sl@0
|
1106 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
1107 |
{
|
|
sl@0
|
1108 |
if (startShift > 0)
|
|
sl@0
|
1109 |
pixelPtr[-1] &= PasteInt(0xffffffff,colorWord,startShift);
|
|
sl@0
|
1110 |
|
|
sl@0
|
1111 |
for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
|
|
sl@0
|
1112 |
tempPixelPtr[0] &= colorWord;
|
|
sl@0
|
1113 |
|
|
sl@0
|
1114 |
if (extra)
|
|
sl@0
|
1115 |
pixelPtrLimit[0] &= PasteInt(colorWord,0xffffffff,finishShift);
|
|
sl@0
|
1116 |
|
|
sl@0
|
1117 |
pixelPtr += iScanLineWords;
|
|
sl@0
|
1118 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
1119 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
1120 |
}
|
|
sl@0
|
1121 |
}
|
|
sl@0
|
1122 |
|
|
sl@0
|
1123 |
void CDrawFourBppBitmapGray::WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor)
|
|
sl@0
|
1124 |
{
|
|
sl@0
|
1125 |
if (iUserDispMode == EGray2)
|
|
sl@0
|
1126 |
aColor = TRgb::_Gray2(aColor._Gray2());
|
|
sl@0
|
1127 |
|
|
sl@0
|
1128 |
const TInt startLong = (aX + KPixelsPerWord - 1) & (~7);
|
|
sl@0
|
1129 |
const TInt finishLong = (aX + aLength) & (~7);
|
|
sl@0
|
1130 |
const TInt yLimit = aY + aHeight;
|
|
sl@0
|
1131 |
const TInt startShift = (startLong - aX) * KBitsPerPixel;
|
|
sl@0
|
1132 |
const TInt finishShift = (KPixelsPerWord - aX - aLength + finishLong) * KBitsPerPixel;
|
|
sl@0
|
1133 |
TUint32* base = ScanLine(aY);
|
|
sl@0
|
1134 |
TUint32* pixelPtr = base + (startLong / KPixelsPerWord);
|
|
sl@0
|
1135 |
TUint32* pixelPtrLimit = base + (finishLong / KPixelsPerWord);
|
|
sl@0
|
1136 |
|
|
sl@0
|
1137 |
TUint32 colorWord1,colorWord2;
|
|
sl@0
|
1138 |
if (iUserDispMode == EGray4 && aColor._Gray16() % 5 != 0)
|
|
sl@0
|
1139 |
{
|
|
sl@0
|
1140 |
colorWord1 = HashInt(aColor,startLong,aY);
|
|
sl@0
|
1141 |
colorWord2 = HashInt(aColor,startLong,aY + 1);
|
|
sl@0
|
1142 |
}
|
|
sl@0
|
1143 |
else
|
|
sl@0
|
1144 |
colorWord1 = colorWord2 = ColorInt(aColor);
|
|
sl@0
|
1145 |
TUint32 colorWord = colorWord1;
|
|
sl@0
|
1146 |
|
|
sl@0
|
1147 |
if (finishLong < startLong)
|
|
sl@0
|
1148 |
{
|
|
sl@0
|
1149 |
const TUint32 mask = (0xffffffff >> finishShift) & (0xffffffff << (32 - startShift));
|
|
sl@0
|
1150 |
colorWord &= mask;
|
|
sl@0
|
1151 |
colorWord1 &= mask;
|
|
sl@0
|
1152 |
colorWord2 &= mask;
|
|
sl@0
|
1153 |
|
|
sl@0
|
1154 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
1155 |
{
|
|
sl@0
|
1156 |
pixelPtrLimit[0] |= colorWord;
|
|
sl@0
|
1157 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
1158 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
1159 |
}
|
|
sl@0
|
1160 |
return;
|
|
sl@0
|
1161 |
}
|
|
sl@0
|
1162 |
|
|
sl@0
|
1163 |
const TBool extra = (finishLong < aX + aLength);
|
|
sl@0
|
1164 |
|
|
sl@0
|
1165 |
for (; aY < yLimit; aY++)
|
|
sl@0
|
1166 |
{
|
|
sl@0
|
1167 |
if (startShift > 0)
|
|
sl@0
|
1168 |
pixelPtr[-1] |= PasteInt(0,colorWord,startShift);
|
|
sl@0
|
1169 |
|
|
sl@0
|
1170 |
for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++)
|
|
sl@0
|
1171 |
tempPixelPtr[0] |= colorWord;
|
|
sl@0
|
1172 |
|
|
sl@0
|
1173 |
if (extra)
|
|
sl@0
|
1174 |
pixelPtrLimit[0] |= PasteInt(colorWord,0,finishShift);
|
|
sl@0
|
1175 |
|
|
sl@0
|
1176 |
pixelPtr += iScanLineWords;
|
|
sl@0
|
1177 |
pixelPtrLimit += iScanLineWords;
|
|
sl@0
|
1178 |
colorWord = (colorWord == colorWord2) ? colorWord1 : colorWord2;
|
|
sl@0
|
1179 |
}
|
|
sl@0
|
1180 |
}
|
|
sl@0
|
1181 |
|
|
sl@0
|
1182 |
void CDrawFourBppBitmapGray::WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer)
|
|
sl@0
|
1183 |
{
|
|
sl@0
|
1184 |
DeOrientate(aX,aY);
|
|
sl@0
|
1185 |
TUint8* pixelPtr = REINTERPRET_CAST(TUint8*,ScanLine(aY)) + (aX / 2);
|
|
sl@0
|
1186 |
const TBool oddEndCoord = (aX + aLength) & 1;
|
|
sl@0
|
1187 |
const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength - (oddEndCoord ? 1 : 0);
|
|
sl@0
|
1188 |
|
|
sl@0
|
1189 |
if (iShadowMode)
|
|
sl@0
|
1190 |
Shadow(aColor);
|
|
sl@0
|
1191 |
|
|
sl@0
|
1192 |
const TInt gray = aColor._Gray256();
|
|
sl@0
|
1193 |
if (aX & 1)
|
|
sl@0
|
1194 |
{
|
|
sl@0
|
1195 |
const TInt upper = ((gray * aMaskBuffer[0]) + ((255 - aMaskBuffer[0]) * (pixelPtr[0] >> 4) * 17)) / (255 * 17);
|
|
sl@0
|
1196 |
pixelPtr[0] &= 0x0f;
|
|
sl@0
|
1197 |
pixelPtr[0] |= TUint8(upper << 4);
|
|
sl@0
|
1198 |
|
|
sl@0
|
1199 |
pixelPtr++;
|
|
sl@0
|
1200 |
aMaskBuffer++;
|
|
sl@0
|
1201 |
}
|
|
sl@0
|
1202 |
|
|
sl@0
|
1203 |
while (aMaskBuffer < maskBufferPtrLimit)
|
|
sl@0
|
1204 |
{
|
|
sl@0
|
1205 |
const TInt lower = ((gray * aMaskBuffer[0]) + ((255 - aMaskBuffer[0]) * (pixelPtr[0] & 0x0f) * 17)) / (255 * 17);
|
|
sl@0
|
1206 |
const TInt upper = ((gray * aMaskBuffer[1]) + ((255 - aMaskBuffer[1]) * (pixelPtr[0] >> 4) * 17)) / (255 * 17);
|
|
sl@0
|
1207 |
pixelPtr[0] = TUint8(lower);
|
|
sl@0
|
1208 |
pixelPtr[0] |= TUint8(upper << 4);
|
|
sl@0
|
1209 |
|
|
sl@0
|
1210 |
pixelPtr++;
|
|
sl@0
|
1211 |
aMaskBuffer += 2;
|
|
sl@0
|
1212 |
}
|
|
sl@0
|
1213 |
|
|
sl@0
|
1214 |
if (oddEndCoord)
|
|
sl@0
|
1215 |
{
|
|
sl@0
|
1216 |
const TInt lower = ((gray * aMaskBuffer[0]) + ((255 - aMaskBuffer[0]) * (pixelPtr[0] & 0x0f) * 17)) / (255 * 17);
|
|
sl@0
|
1217 |
pixelPtr[0] &= 0xf0;
|
|
sl@0
|
1218 |
pixelPtr[0] |= TUint8(lower);
|
|
sl@0
|
1219 |
}
|
|
sl@0
|
1220 |
}
|
|
sl@0
|
1221 |
|
|
sl@0
|
1222 |
void CDrawFourBppBitmapGray::MapColorToUserDisplayMode(TRgb& aColor)
|
|
sl@0
|
1223 |
{
|
|
sl@0
|
1224 |
switch (iUserDispMode)
|
|
sl@0
|
1225 |
{
|
|
sl@0
|
1226 |
case EGray2:
|
|
sl@0
|
1227 |
aColor = TRgb::_Gray2(aColor._Gray2());
|
|
sl@0
|
1228 |
break;
|
|
sl@0
|
1229 |
case EColor16:
|
|
sl@0
|
1230 |
aColor = TRgb::_Gray4(aColor._Gray4());
|
|
sl@0
|
1231 |
break;
|
|
sl@0
|
1232 |
default:
|
|
sl@0
|
1233 |
break;
|
|
sl@0
|
1234 |
}
|
|
sl@0
|
1235 |
}
|
|
sl@0
|
1236 |
|
|
sl@0
|
1237 |
void CDrawFourBppBitmapGray::MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer)
|
|
sl@0
|
1238 |
{
|
|
sl@0
|
1239 |
TUint8* bufferPtr = (TUint8*)aBuffer;
|
|
sl@0
|
1240 |
const TUint8* bufferLimit = bufferPtr + ((aLength + 1) / 2);
|
|
sl@0
|
1241 |
|
|
sl@0
|
1242 |
switch (iUserDispMode)
|
|
sl@0
|
1243 |
{
|
|
sl@0
|
1244 |
case EGray2:
|
|
sl@0
|
1245 |
while (bufferPtr < bufferLimit)
|
|
sl@0
|
1246 |
{
|
|
sl@0
|
1247 |
TUint8 value = TUint8(*bufferPtr & 0x88);
|
|
sl@0
|
1248 |
value |= value >> 1;
|
|
sl@0
|
1249 |
*bufferPtr++ = TUint8(value | (value >> 2));
|
|
sl@0
|
1250 |
}
|
|
sl@0
|
1251 |
break;
|
|
sl@0
|
1252 |
case EColor16:
|
|
sl@0
|
1253 |
while (bufferPtr < bufferLimit)
|
|
sl@0
|
1254 |
{
|
|
sl@0
|
1255 |
TUint8 value = TUint8(*bufferPtr & 0xcc);
|
|
sl@0
|
1256 |
*bufferPtr++ = TUint8(value | (value >> 2));
|
|
sl@0
|
1257 |
}
|
|
sl@0
|
1258 |
break;
|
|
sl@0
|
1259 |
default:
|
|
sl@0
|
1260 |
break;
|
|
sl@0
|
1261 |
}
|
|
sl@0
|
1262 |
}
|
|
sl@0
|
1263 |
|
|
sl@0
|
1264 |
TInt CDrawFourBppBitmapGray::WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength,
|
|
sl@0
|
1265 |
TUint32 aOutlinePenColor, TUint32 aShadowColor,
|
|
sl@0
|
1266 |
TUint32 aFillColor, const TUint8* aDataBuffer)
|
|
sl@0
|
1267 |
{
|
|
sl@0
|
1268 |
//This is non-optimised since this screen mode is rarely used and is usually
|
|
sl@0
|
1269 |
//fast enough without optimisation.
|
|
sl@0
|
1270 |
DeOrientate(aX,aY);
|
|
sl@0
|
1271 |
TUint8* pixelPtr = REINTERPRET_CAST(TUint8*,ScanLine(aY)) + (aX / 2);
|
|
sl@0
|
1272 |
const TBool oddEndCoord = (aX + aLength) & 1;
|
|
sl@0
|
1273 |
const TUint8* dataBufferPtrLimit = aDataBuffer + aLength - (oddEndCoord ? 1 : 0);
|
|
sl@0
|
1274 |
|
|
sl@0
|
1275 |
TUint8 index = 0;
|
|
sl@0
|
1276 |
TRgb finalColor;
|
|
sl@0
|
1277 |
TRgb lowerPixelColor;
|
|
sl@0
|
1278 |
TRgb upperPixelColor;
|
|
sl@0
|
1279 |
|
|
sl@0
|
1280 |
TRgb outlinePenColor;
|
|
sl@0
|
1281 |
outlinePenColor.SetInternal(aOutlinePenColor);
|
|
sl@0
|
1282 |
TRgb shadowColor;
|
|
sl@0
|
1283 |
shadowColor.SetInternal(aShadowColor);
|
|
sl@0
|
1284 |
TRgb fillColor;
|
|
sl@0
|
1285 |
fillColor.SetInternal(aFillColor);
|
|
sl@0
|
1286 |
|
|
sl@0
|
1287 |
const TInt redOutlinePenColor = outlinePenColor.Red();
|
|
sl@0
|
1288 |
const TInt redShadowColor = shadowColor.Red();
|
|
sl@0
|
1289 |
const TInt redFillColor = fillColor.Red();
|
|
sl@0
|
1290 |
|
|
sl@0
|
1291 |
const TInt greenOutlinePenColor = outlinePenColor.Green();
|
|
sl@0
|
1292 |
const TInt greenShadowColor = shadowColor.Green();
|
|
sl@0
|
1293 |
const TInt greenFillColor = fillColor.Green();
|
|
sl@0
|
1294 |
|
|
sl@0
|
1295 |
const TInt blueOutlinePenColor = outlinePenColor.Blue();
|
|
sl@0
|
1296 |
const TInt blueShadowColor = shadowColor.Blue();
|
|
sl@0
|
1297 |
const TInt blueFillColor = fillColor.Blue();
|
|
sl@0
|
1298 |
|
|
sl@0
|
1299 |
if (aX & 1)
|
|
sl@0
|
1300 |
{
|
|
sl@0
|
1301 |
index = *aDataBuffer;
|
|
sl@0
|
1302 |
|
|
sl@0
|
1303 |
if (255 != FourColorBlendLookup[index][KBackgroundColorIndex])
|
|
sl@0
|
1304 |
{
|
|
sl@0
|
1305 |
TRgb backgroundColor = TRgb::_Gray16(pixelPtr[0] >> 4);
|
|
sl@0
|
1306 |
finalColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
|
|
sl@0
|
1307 |
redOutlinePenColor, redShadowColor, redFillColor,
|
|
sl@0
|
1308 |
greenOutlinePenColor, greenShadowColor, greenFillColor,
|
|
sl@0
|
1309 |
blueOutlinePenColor, blueShadowColor, blueFillColor,
|
|
sl@0
|
1310 |
backgroundColor, index);
|
|
sl@0
|
1311 |
pixelPtr[0] &= 0x0f;
|
|
sl@0
|
1312 |
pixelPtr[0] |= TUint8(finalColor._Gray16() << 4);
|
|
sl@0
|
1313 |
}
|
|
sl@0
|
1314 |
|
|
sl@0
|
1315 |
pixelPtr++;
|
|
sl@0
|
1316 |
aDataBuffer++;
|
|
sl@0
|
1317 |
}
|
|
sl@0
|
1318 |
|
|
sl@0
|
1319 |
while (aDataBuffer < dataBufferPtrLimit)
|
|
sl@0
|
1320 |
{
|
|
sl@0
|
1321 |
index = aDataBuffer[0];
|
|
sl@0
|
1322 |
TRgb upperPixelBackgroundColor = TRgb::_Gray16(pixelPtr[0] >> 4);
|
|
sl@0
|
1323 |
if (255 != FourColorBlendLookup[index][KBackgroundColorIndex])
|
|
sl@0
|
1324 |
{
|
|
sl@0
|
1325 |
TRgb lowerPixelBackgroundColor = TRgb::_Gray16(pixelPtr[0] & 0x0f);
|
|
sl@0
|
1326 |
lowerPixelColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
|
|
sl@0
|
1327 |
redOutlinePenColor, redShadowColor, redFillColor,
|
|
sl@0
|
1328 |
greenOutlinePenColor, greenShadowColor, greenFillColor,
|
|
sl@0
|
1329 |
blueOutlinePenColor, blueShadowColor, blueFillColor,
|
|
sl@0
|
1330 |
lowerPixelBackgroundColor, index);
|
|
sl@0
|
1331 |
pixelPtr[0] = TUint8(lowerPixelColor._Gray16());
|
|
sl@0
|
1332 |
}
|
|
sl@0
|
1333 |
|
|
sl@0
|
1334 |
index = aDataBuffer[1];
|
|
sl@0
|
1335 |
if (255 != FourColorBlendLookup[index][KBackgroundColorIndex])
|
|
sl@0
|
1336 |
{
|
|
sl@0
|
1337 |
upperPixelColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
|
|
sl@0
|
1338 |
redOutlinePenColor, redShadowColor, redFillColor,
|
|
sl@0
|
1339 |
greenOutlinePenColor, greenShadowColor, greenFillColor,
|
|
sl@0
|
1340 |
blueOutlinePenColor, blueShadowColor, blueFillColor,
|
|
sl@0
|
1341 |
upperPixelBackgroundColor, index);
|
|
sl@0
|
1342 |
pixelPtr[0] |= TUint8(upperPixelColor._Gray16() << 4);
|
|
sl@0
|
1343 |
}
|
|
sl@0
|
1344 |
pixelPtr++;
|
|
sl@0
|
1345 |
aDataBuffer += 2;
|
|
sl@0
|
1346 |
}
|
|
sl@0
|
1347 |
|
|
sl@0
|
1348 |
if (oddEndCoord)
|
|
sl@0
|
1349 |
{
|
|
sl@0
|
1350 |
index = aDataBuffer[0];
|
|
sl@0
|
1351 |
if (255 != FourColorBlendLookup[index][KBackgroundColorIndex])
|
|
sl@0
|
1352 |
{
|
|
sl@0
|
1353 |
TRgb backgroundColor = TRgb::_Gray16(pixelPtr[0] & 0x0f);
|
|
sl@0
|
1354 |
finalColor = BlendFourColors(aOutlinePenColor, aShadowColor, aFillColor,
|
|
sl@0
|
1355 |
redOutlinePenColor, redShadowColor, redFillColor,
|
|
sl@0
|
1356 |
greenOutlinePenColor, greenShadowColor, greenFillColor,
|
|
sl@0
|
1357 |
blueOutlinePenColor, blueShadowColor, blueFillColor,
|
|
sl@0
|
1358 |
backgroundColor, index);
|
|
sl@0
|
1359 |
pixelPtr[0] &= 0xf0;
|
|
sl@0
|
1360 |
pixelPtr[0] |= TUint8(finalColor._Gray16());
|
|
sl@0
|
1361 |
}
|
|
sl@0
|
1362 |
}
|
|
sl@0
|
1363 |
return KErrNone;
|
|
sl@0
|
1364 |
}
|
|
sl@0
|
1365 |
|
|
sl@0
|
1366 |
TRgb CDrawFourBppBitmapGray::BlendFourColors(TUint32 aOutlinePenColor, TUint32 aShadowColor, TUint32 aFillColor,
|
|
sl@0
|
1367 |
TInt aRedOutlinePenColor, TInt aRedShadowColor, TInt aRedFillColor,
|
|
sl@0
|
1368 |
TInt aGreenOutlinePenColor, TInt aGreenShadowColor, TInt aGreenFillColor,
|
|
sl@0
|
1369 |
TInt aBlueOutlinePenColor, TInt aBlueShadowColor, TInt aBlueFillColor,
|
|
sl@0
|
1370 |
TRgb aBackgroundColor, TUint8 aIndex) const
|
|
sl@0
|
1371 |
{
|
|
sl@0
|
1372 |
TRgb finalColor;
|
|
sl@0
|
1373 |
if (255 == FourColorBlendLookup[aIndex][KFillColorIndex])
|
|
sl@0
|
1374 |
{
|
|
sl@0
|
1375 |
//fill colour
|
|
sl@0
|
1376 |
finalColor.SetInternal(aFillColor);
|
|
sl@0
|
1377 |
}
|
|
sl@0
|
1378 |
else if (255 == FourColorBlendLookup[aIndex][KShadowColorIndex])
|
|
sl@0
|
1379 |
{
|
|
sl@0
|
1380 |
//Shadow colour
|
|
sl@0
|
1381 |
finalColor.SetInternal(aShadowColor);
|
|
sl@0
|
1382 |
}
|
|
sl@0
|
1383 |
else if (255 == FourColorBlendLookup[aIndex][KOutlineColorIndex])
|
|
sl@0
|
1384 |
{
|
|
sl@0
|
1385 |
//Outline colour
|
|
sl@0
|
1386 |
finalColor.SetInternal(aOutlinePenColor);
|
|
sl@0
|
1387 |
}
|
|
sl@0
|
1388 |
else
|
|
sl@0
|
1389 |
{
|
|
sl@0
|
1390 |
TInt blendedRedColor = (aRedOutlinePenColor * FourColorBlendLookup[aIndex][KOutlineColorIndex] +
|
|
sl@0
|
1391 |
aRedShadowColor * FourColorBlendLookup[aIndex][KShadowColorIndex] +
|
|
sl@0
|
1392 |
aRedFillColor * FourColorBlendLookup[aIndex][KFillColorIndex] +
|
|
sl@0
|
1393 |
aBackgroundColor.Red() * FourColorBlendLookup[aIndex][KBackgroundColorIndex]) >> 8;
|
|
sl@0
|
1394 |
|
|
sl@0
|
1395 |
TInt blendedGreenColor = (aGreenOutlinePenColor * FourColorBlendLookup[aIndex][KOutlineColorIndex] +
|
|
sl@0
|
1396 |
aGreenShadowColor * FourColorBlendLookup[aIndex][KShadowColorIndex] +
|
|
sl@0
|
1397 |
aGreenFillColor * FourColorBlendLookup[aIndex][KFillColorIndex] +
|
|
sl@0
|
1398 |
aBackgroundColor.Green() * FourColorBlendLookup[aIndex][KBackgroundColorIndex]) >> 8;
|
|
sl@0
|
1399 |
|
|
sl@0
|
1400 |
TInt blendedBlueColor = (aBlueOutlinePenColor * FourColorBlendLookup[aIndex][KOutlineColorIndex] +
|
|
sl@0
|
1401 |
aBlueShadowColor * FourColorBlendLookup[aIndex][KShadowColorIndex] +
|
|
sl@0
|
1402 |
aBlueFillColor * FourColorBlendLookup[aIndex][KFillColorIndex] +
|
|
sl@0
|
1403 |
aBackgroundColor.Blue() * FourColorBlendLookup[aIndex][KBackgroundColorIndex]) >> 8;
|
|
sl@0
|
1404 |
finalColor = TRgb(blendedRedColor, blendedGreenColor, blendedBlueColor);
|
|
sl@0
|
1405 |
}
|
|
sl@0
|
1406 |
return finalColor;
|
|
sl@0
|
1407 |
}
|