diff -r 000000000000 -r 5d03bc08d59c graphicsdeviceinterface/screendriver/sbit/BMDRAW24U.CPP --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graphicsdeviceinterface/screendriver/sbit/BMDRAW24U.CPP Tue Feb 02 01:47:50 2010 +0200 @@ -0,0 +1,1284 @@ +// Copyright (c) 2003-2009 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" +#include "BitDrawInterfaceId.h" +#include + +TInt CDrawUTwentyFourBppBitmap::Construct(TSize aSize) + { + return Construct(aSize, aSize.iWidth << 2); + } + +TInt CDrawUTwentyFourBppBitmap::Construct(TSize aSize, TInt aStride) + { + iDispMode = EColor16MU; + return CDrawThirtyTwoBppBitmapCommon::Construct(aSize, aStride); + } + +/** +MAlphaBlend::WriteRgbAlphaLine() implementation. +@see MAlphaBlend::WriteRgbAlphaLine() +*/ +void CDrawUTwentyFourBppBitmap::WriteRgbAlphaLine(TInt aX, TInt aY, TInt aLength, + const TUint8* aRgbBuffer, + const TUint8* aMaskBuffer, + MAlphaBlend::TShadowing aShadowing, + CGraphicsContext::TDrawMode /*aDrawMode*/) + { + // precondition for this function is that the aRgbBuffer lies on a word boundary + // Assert checks that the pointer is at a word boundary + __ASSERT_DEBUG(!(((TUint)aRgbBuffer) & 0x3), Panic(EScreenDriverPanicInvalidPointer)); + + DeOrientate(aX,aY); + TUint32* pixelPtr = PixelAddress(aX,aY); + TUint32* rgbBuffer = (TUint32*)aRgbBuffer; + const TInt pixelPtrInc = PixelAddressIncrement(); + const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength; + + if (!(iShadowMode & (EFade | EShadow)) && (iUserDispMode == ENone)) + { + while (aMaskBuffer < maskBufferPtrLimit) + { + *pixelPtr = CalcAlphaPixel(*rgbBuffer, *aMaskBuffer, *pixelPtr); + aMaskBuffer++; + pixelPtr += pixelPtrInc; + rgbBuffer++; + } + } + else + { + while (aMaskBuffer < maskBufferPtrLimit) + { + TInt mask = *aMaskBuffer++; + if (mask) + { + TInt b = aRgbBuffer[0]; + TInt g = aRgbBuffer[1]; + TInt r = aRgbBuffer[2]; + if(aShadowing == MAlphaBlend::EShdwBefore) + { + if (iShadowMode & EFade) + { + r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset; + g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset; + b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset; + } + if (iShadowMode & EShadow) + { + r = (Max(0,r-0x40)); + g = (Max(0,g-0x40)); + b = (Max(0,b-0x40)); + } + } + if (mask != 0xff) + { + // (mask * r + (255 - mask) * value) / 255 = + // ((257 * mask * (r - value)) >> 16) + value + TInt value = *pixelPtr & 0xffffff; + mask = (mask << 8) + mask; // mask = mask * 257 + TInt v = value >> 16; + r = ((mask * (r - v)) >> 16) + v; + v = (value >> 8) & 0xff; + g = ((mask * (g - v)) >> 16) + v; + v = value & 0xff; + b = ((mask * (b - v)) >> 16) + v; + } + if(aShadowing == MAlphaBlend::EShdwAfter) + { + if (iShadowMode & EFade) + { + r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset; + g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset; + b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset; + } + if (iShadowMode & EShadow) + { + r = (Max(0,r-0x40)); + g = (Max(0,g-0x40)); + b = (Max(0,b-0x40)); + } + } + // Convert colour if an incompatible UserDisplayMode is being used + CDrawBitmap::MapColorToUserDisplayMode(r,g,b); + *pixelPtr = (r<<16) | (g<<8) | b | 0xff000000; + } + aRgbBuffer += 4; + pixelPtr += pixelPtrInc; + } + } + } + +void CDrawUTwentyFourBppBitmap::ReadLine(TInt aX, TInt aY, TInt aLength, TAny* aBuffer, TDisplayMode aDispMode) const + { + if (aDispMode == EColor16MAP) + { + DeOrientate(aX, aY); + CDrawThirtyTwoBppBitmapCommon::ReadLine(aX, aY, aLength, aBuffer); + + //Overwrite unused byte with 0xff to produce valid 16MAP data + TUint8* alphaptr = (TUint8*) aBuffer+3; + TUint8* bufEnd = (TUint8*) aBuffer + (aLength << 2); + while (alphaptr < bufEnd) + { + *alphaptr = 0xff; + alphaptr+=4; + } + + return; + } + CDrawBitmap::ReadLine(aX, aY, aLength, aBuffer, aDispMode); + } + +void CDrawUTwentyFourBppBitmap::BlendRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) + { + const TInt sourceAlpha = aColor.Alpha(); + if (sourceAlpha==255)// opaque + { + WriteRgbMulti(aX,aY,aLength,aHeight,aColor); + return; + } + if (sourceAlpha==0)// transparent + return; + + TUint32* pixelPtr = PixelAddress(aX,aY); + TUint32* pixelRowPtrLimit = pixelPtr + (aHeight * iScanLineWords); + TUint32* pixelPtrLimit = pixelPtr + aLength; + + const TUint32 sourceInternal=aColor.Internal(); + const TUint32 s_rb = sourceInternal & 0x00FF00FF; + const TUint32 s_g = (sourceInternal & 0xFF00) >> 8; + const TUint32 mask2 = sourceAlpha | (sourceAlpha << 16); + while (pixelPtr < pixelRowPtrLimit) + { + for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++) + { + const TUint32 d = *tempPixelPtr; + const TUint32 d_rb = d & 0x00FF00FF; + const TUint32 rb = ((((sourceAlpha * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF; + + const TInt d_g = (d & 0xFF00) >> 8; + const TInt g = ((sourceAlpha * (s_g - d_g)) >> 8) + d_g; + + *tempPixelPtr = rb | (g<<8) | 0xff000000; + } + + pixelPtr += iScanLineWords; + pixelPtrLimit += iScanLineWords; + } + } + +void CDrawUTwentyFourBppBitmap::BlendLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) + { + TUint32* pixelPtr = PixelAddress(aX,aY); + + const TUint32* bufferPtrLimit = aBuffer + aLength; + const TInt pixelPtrInc = (iOrientation == EOrientationNormal) ? 1 : PixelAddressIncrement(); + + while (aBuffer < bufferPtrLimit) + { + if((*aBuffer &0xFF000000) == 0xFF000000) + { + *pixelPtr = *aBuffer; + } + else if((*aBuffer & 0xFF000000)) + { + // specialization of pre-multiplied blending when the destination alpha is always 255 + const TUint32 src_rb = *aBuffer & 0x00FF00FF; + const TUint32 src_g = *aBuffer & 0x0000FF00; + const TUint32 mask = 0x100 - (*aBuffer >> 24); + TUint32 dst_rb = *pixelPtr & 0x00FF00FF; + TUint32 dst_g = *pixelPtr & 0x0000FF00; + dst_rb = (src_rb + ((mask * dst_rb) >> 8)) & 0x00FF00FF; + dst_g = (src_g + ((mask * dst_g) >> 8)) & 0x0000FF00; + *pixelPtr = 0xFF000000 | dst_rb | dst_g; + } + + aBuffer++; + pixelPtr += pixelPtrInc; + } + } + +TRgb CDrawUTwentyFourBppBitmap::RgbColor(TUint32 aColor) const + { + return TRgb::_Color16MU(aColor); + } + +TUint32 CDrawUTwentyFourBppBitmap::Color(const TRgb& aColor) + { + return aColor._Color16MA() | 0xff000000; + } + + +// Copies an EColor64K pixel to an EColor16MU screen +FORCEINLINE static void CopyPixel(const TUint16*& aSrcPtr, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd) + { + *aDestPtr = aHighAdd[(*aSrcPtr) >> 8] | aLowAdd[(*aSrcPtr) & 0xff]; + aDestPtr += aPixelPtrInc; + aSrcPtr++; + } + + +// Copies two EColor64K pixels to an EColor16MU screen +FORCEINLINE static void CopyTwoPixels(const TUint32*& aSrcPtr, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd) + { + const TUint16* scanPtr = reinterpret_cast(aSrcPtr); + *aDestPtr = aHighAdd[(*scanPtr) >> 8] | aLowAdd[(*scanPtr) & 0xff]; + aDestPtr += aPixelPtrInc; + scanPtr++; + *aDestPtr = aHighAdd[(*scanPtr) >> 8] | aLowAdd[(*scanPtr) & 0xff]; + aDestPtr += aPixelPtrInc; + aSrcPtr++; + } + + +// Copies an EColor16MU pixel to an EColor16MU screen if necessary. +FORCEINLINE static void ProcessMaskPixel(const TUint32*& aSrcPtr, const TUint32 aMaskWord, TUint32& aSingleBitMask, TUint32*& aDestPtr, TInt aPixelPtrInc) + { + if (aMaskWord & aSingleBitMask) + { + *aDestPtr = *aSrcPtr; + } + aSrcPtr++; + aDestPtr += aPixelPtrInc; + aSingleBitMask <<= 1; + } + + +// Copies an EColor64K pixel to an EColor16MU screen if necessary. +FORCEINLINE static void ProcessMaskPixel(const TUint16*& aSrcPtr, const TUint32 aMaskWord, TUint32& aSingleBitMask, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd) + { + if (aMaskWord & aSingleBitMask) + { + *aDestPtr = aHighAdd[(*aSrcPtr) >> 8] | aLowAdd[(*aSrcPtr) & 0xff]; + } + aSrcPtr++; + aDestPtr += aPixelPtrInc; + aSingleBitMask <<= 1; + } + + +// Alpha-blends an EColor16MU pixel to an EColor16MU screen using a fixed mask value. +FORCEINLINE static void BlendAlphaPixel(const TUint32*& aSrcPtr, const TUint8 aMask, TUint32*& aDestPtr, TInt aPixelPtrInc) + { + const TUint32 s = *aSrcPtr++; + const TUint32 d = *aDestPtr; + + // (a) (mask * src + (255 - mask) * dest) / 255 This ideal formula + // (b) ((mask * (src - dest)) >> 8) + dest A faster approximation to (a) + // (c) ((mask * (256 + src - dest) >> 8) + dest - mask Equivalent to (b) but can be used on multiple colors at a time + + const TUint32 s_rb = s & 0x00FF00FF; + const TUint32 d_rb = d & 0x00FF00FF; + const TUint32 mask2 = aMask | (aMask << 16); + const TUint32 rb = ((((aMask * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF; + + const TInt s_g = (s & 0xFF00) >> 8; + const TInt d_g = (d & 0xFF00) >> 8; + const TInt g = ((aMask * (s_g - d_g)) >> 8) + d_g; + + *aDestPtr = rb | (g<<8) | 0xff000000; + aDestPtr += aPixelPtrInc; + } + + +// Alpha-blends an EColor16MU pixel to an EColor16MU screen if necessary. +FORCEINLINE static void ProcessAlphaPixel(const TUint32*& aSrcPtr, const TUint8*& aMaskPtr, TUint32*& aDestPtr, TInt aPixelPtrInc) + { + const TInt mask = *aMaskPtr++; + + if (!mask) + { + // pixel is masked + aSrcPtr++; + aDestPtr += aPixelPtrInc; + } + else if (mask == 0xFF) + { + // pixel is unmasked + *aDestPtr = *aSrcPtr++; + aDestPtr += aPixelPtrInc; + } + else + { + BlendAlphaPixel(aSrcPtr, mask, aDestPtr, aPixelPtrInc); + } + } + + +// Alpha-blends an EColor64K pixel to an EColor16MU screen using a fixed mask value. +FORCEINLINE static void BlendAlphaPixel(const TUint16*& aSrcPtr, const TUint8 aMask, TUint32*& aDestPtr, TInt aPixelPtrInc) + { + const TUint32 s = *aSrcPtr++; + const TUint32 d = *aDestPtr; + + // convert the source EColor64K red / blue pixels to EColor16MU + // the top two bits in EColor64K are used to fill the bottom two bits in EColor16MU + + const TUint32 s_rb = ((s & 0xF800) << 8) | ((s & 0xE000) << 3) | ((s & 0x1F) << 3) | ((s & 0x1C) >>2); + const TUint32 d_rb = d & 0x00FF00FF; + const TUint32 mask2 = aMask | (aMask << 16); + const TUint32 rb = ((((aMask * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF; + + // convert the source EColor64K green pixel to EColor16MU + const TInt s_g = ((s & 0x07E0) >> 3) | ((s & 0x0600) >> 9); + const TInt d_g = (d & 0xFF00) >> 8; + const TInt g = ((aMask * (s_g - d_g)) >> 8) + d_g; + + *aDestPtr = rb | (g<<8) | 0xff000000; + aDestPtr += aPixelPtrInc; + } + + +// Alpha-blends an EColor64K pixel to an EColor16MU screen if necessary. +FORCEINLINE static void ProcessAlphaPixel(const TUint16*& aSrcPtr, const TUint8*& aMaskPtr, TUint32*& aDestPtr, TInt aPixelPtrInc, const TUint32* aHighAdd, const TUint16* aLowAdd) + { + const TInt mask = *aMaskPtr++; + + if (!mask) + { + // pixel is masked + aSrcPtr++; + aDestPtr += aPixelPtrInc; + } + else if (mask == 0xFF) + { + // pixel is unmasked + CopyPixel(aSrcPtr, aDestPtr, aPixelPtrInc, aHighAdd, aLowAdd); + } + else + { + BlendAlphaPixel(aSrcPtr, mask, aDestPtr, aPixelPtrInc); + } + } + + +/** +CDrawUTwentyFourBppBitmap::WriteAlphaLineEx() implementation. +@internalTechnology +@see MFastBlit::WriteAlphaLineEx() +*/ +void CDrawUTwentyFourBppBitmap::WriteAlphaLineEx(TInt aX, TInt aY, TInt aLength, TInt aSrcX, + const TUint32* aSrcPtr, TDisplayMode aSrcFormat, + TInt aMaskX, const TUint32* aMaskPtr, + MAlphaBlend::TShadowing aShadowing) + { + // Only certain pixel formats are supported. Caller should check this. + __ASSERT_DEBUG(aSrcFormat ==EColor16MU || aSrcFormat ==EColor64K, User::Invariant()); + + DeOrientate(aX,aY); + TUint32* pixelPtr = PixelAddress(aX,aY); + const TInt pixelPtrInc = PixelAddressIncrement(); + + if (aSrcFormat==EColor16MU) + { + if (!(iShadowMode & EFade) && !(iShadowMode & EShadow) && ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU)) ) + { + aSrcPtr += aSrcX; + const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 2); + const TInt startBit = aMaskX & 0x3; + + if (startBit) + { + // Process initial incomplete mask word + const TUint32 maskWord = *maskWordPtr++; + TInt numPix = Min(aLength, 4 - startBit); // number of pixels to process from the first word of the mask + aLength -= numPix; + + if (!maskWord) + { + // maskWord is fully masked - skip the pixels + aSrcPtr += numPix; + pixelPtr += pixelPtrInc * numPix; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy the pixels + while (numPix--) + { + *pixelPtr = *aSrcPtr++; + pixelPtr += pixelPtrInc; + } + } + else + { + // At least one of the pixels needs to be blended + const TUint8* maskPtr8 = reinterpret_cast(&maskWord); + maskPtr8 += startBit; + while (numPix--) + { + ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc); + } + } + } + + TInt numMaskWords = aLength >> 2; + aLength &= 0x3; + while (numMaskWords--) + { + // Process a complete mask word - 4 pixels + const TUint32 maskWord = *maskWordPtr++; + + if (!maskWord) + { + // maskWord is fully masked - skip 4 pixels + aSrcPtr += 4; + pixelPtr += pixelPtrInc << 2; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy 4 pixels + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + } + else + { + // At least one of the 4 pixels needs to be blended + const TUint8* maskPtr8 = reinterpret_cast(&maskWord); + + if (maskPtr8[0] && (maskPtr8[0] != 0xFF) && + maskPtr8[1] && (maskPtr8[1] != 0xFF) && + maskPtr8[2] && (maskPtr8[2] != 0xFF) && + maskPtr8[3] && (maskPtr8[3] != 0xFF)) + { + // Blend all 4 pixels inline + BlendAlphaPixel(aSrcPtr, maskPtr8[0], pixelPtr, pixelPtrInc); + BlendAlphaPixel(aSrcPtr, maskPtr8[1], pixelPtr, pixelPtrInc); + BlendAlphaPixel(aSrcPtr, maskPtr8[2], pixelPtr, pixelPtrInc); + BlendAlphaPixel(aSrcPtr, maskPtr8[3], pixelPtr, pixelPtrInc); + } + else + { + ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc); + ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc); + ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc); + ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc); + } + } + } + + if (aLength) + { + const TUint32 maskWord = *maskWordPtr; + if (!maskWord) + { + // maskWord is fully masked - skip the pixels + return; + } + if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy the pixels + while (aLength--) + { + *pixelPtr = *aSrcPtr++; + pixelPtr += pixelPtrInc; + } + } + else + { + // At least one of the pixels needs to be blended + const TUint8* maskPtr8 = reinterpret_cast(&maskWord); + while (aLength--) + { + ProcessAlphaPixel(aSrcPtr, maskPtr8, pixelPtr, pixelPtrInc); + } + } + } + } + else + { + // Non-optimised path including shadowing and UserDisplayMode conversion + const TUint8* srcPtr8 = reinterpret_cast(aSrcPtr + aSrcX); + const TUint8* maskPtr8 = reinterpret_cast(aMaskPtr) + aMaskX; + + while (aLength--) + { + TInt mask = *maskPtr8++; + if (mask) + { + TInt b = srcPtr8[0]; + TInt g = srcPtr8[1]; + TInt r = srcPtr8[2]; + if(aShadowing == MAlphaBlend::EShdwBefore) + { + if (iShadowMode & EFade) + { + r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset; + g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset; + b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset; + } + if (iShadowMode & EShadow) + { + r = (Max(0,r-0x40)); + g = (Max(0,g-0x40)); + b = (Max(0,b-0x40)); + } + } + if (mask != 0xff) + { + // (mask * r + (255 - mask) * value) / 255 = + // ((257 * mask * (r - value)) >> 16) + value + TInt value = *pixelPtr & 0xffffff; + mask = (mask << 8) + mask; // mask = mask * 257 + TInt v = value >> 16; + r = ((mask * (r - v)) >> 16) + v; + v = (value >> 8) & 0xff; + g = ((mask * (g - v)) >> 16) + v; + v = value & 0xff; + b = ((mask * (b - v)) >> 16) + v; + } + if(aShadowing == MAlphaBlend::EShdwAfter) + { + if (iShadowMode & EFade) + { + r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset; + g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset; + b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset; + } + if (iShadowMode & EShadow) + { + r = (Max(0,r-0x40)); + g = (Max(0,g-0x40)); + b = (Max(0,b-0x40)); + } + } + // Convert colour if an incompatible UserDisplayMode is being used + CDrawBitmap::MapColorToUserDisplayMode(r,g,b); + *pixelPtr = (r<<16) | (g<<8) | b | 0xff000000; + } + pixelPtr += pixelPtrInc; + srcPtr8 += 4; + } + } + return; + } + else // (aSrcFormat==EColor64K) + { + const TUint16* srcPtr16 = reinterpret_cast(aSrcPtr) + aSrcX; + + if (!(iShadowMode & EFade) && !(iShadowMode & EShadow) && ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU))) + { + const TUint16* lowAdd = Convert16to32bppLow(); + const TUint32* highAdd = Convert16to32bppHigh(); + const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 2); + const TInt startBit = aMaskX & 0x3; + + if (startBit) + { + // Process initial incomplete mask word + const TUint32 maskWord = *maskWordPtr++; + TInt numPix = Min(aLength, 4 - startBit); // number of pixels to process from the first word of the mask + aLength -= numPix; + + if (!maskWord) + { + // maskWord is fully masked + srcPtr16 += numPix; + pixelPtr += pixelPtrInc * numPix; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked + while (numPix--) + { + CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + else + { + // At least one of the pixels needs to be blended + const TUint8* maskPtr8 = reinterpret_cast(&maskWord); + maskPtr8 += startBit; + while (numPix--) + { + ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + } + + TInt numMaskWords = aLength >> 2; + aLength &= 0x3; + while (numMaskWords--) + { + // Process 4 mask pixels + const TUint32 maskWord = *maskWordPtr++; + + if (!maskWord) + { + // maskWord is fully masked - skip 4 pixels + srcPtr16 += 4; + pixelPtr += pixelPtrInc << 2; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy and convert 4 pixels + const TUint32* srcPtr32 = (const TUint32*)srcPtr16; + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + srcPtr16 = (const TUint16*)srcPtr32; + } + else + { + // At least one of the 4 pixels needs to be blended + const TUint8* maskPtr8 = reinterpret_cast(&maskWord); + + if (maskPtr8[0] && (maskPtr8[0] != 0xFF) && + maskPtr8[1] && (maskPtr8[1] != 0xFF) && + maskPtr8[2] && (maskPtr8[2] != 0xFF) && + maskPtr8[3] && (maskPtr8[3] != 0xFF)) + { + // Blend all 4 pixels inline + BlendAlphaPixel(srcPtr16, maskPtr8[0], pixelPtr, pixelPtrInc); + BlendAlphaPixel(srcPtr16, maskPtr8[1], pixelPtr, pixelPtrInc); + BlendAlphaPixel(srcPtr16, maskPtr8[2], pixelPtr, pixelPtrInc); + BlendAlphaPixel(srcPtr16, maskPtr8[3], pixelPtr, pixelPtrInc); + } + else + { + ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + } + + if (aLength) + { + // Process final incomplete mask word + const TUint32 maskWord = *maskWordPtr; // this will over-read + if (!maskWord) + { + // maskWord is fully masked - skip the pixels + return; + } + if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy and convert the pixels + while (aLength--) + { + CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + else + { + // At least one of the pixels needs to be blended + const TUint8* maskPtr8 = reinterpret_cast(&maskWord); + while (aLength--) + { + ProcessAlphaPixel(srcPtr16, maskPtr8, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + } + } + else + { + // Non-optimised path including shadowing and UserDisplayMode conversion + const TUint8* maskPtr8 = reinterpret_cast(aMaskPtr) + aMaskX; + while (aLength--) + { + TInt mask = *maskPtr8++; + if (mask) + { + const TUint32 src = *srcPtr16; + TInt r = (src & 0xF800) >> 8; + r |= (src & 0xE000) >>13; + TInt g = (src & 0x07E0) >> 3; + g |= (src & 0x0600) >> 9; + TInt b = (src & 0x001F) << 3; + b |= (src & 0x001C) >> 2; + + if(aShadowing == MAlphaBlend::EShdwBefore) + { + if (iShadowMode & EFade) + { + r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset; + g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset; + b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset; + } + if (iShadowMode & EShadow) + { + r = Max(0,r-0x40); + g = Max(0,g-0x40); + b = Max(0,b-0x40); + } + } + if (mask != 0xff) + { + // (mask * r + (255 - mask) * value) / 255 = + // ((257 * mask * (r - value)) >> 16) + value + const TInt value = *pixelPtr & 0xffffff; + mask = (mask << 8) + mask; // mask = mask * 257 + TInt v = value >> 16; + r = ((mask * (r - v)) >> 16) + v; + v = (value >> 8) & 0xff; + g = ((mask * (g - v)) >> 16) + v; + v = value & 0xff; + b = ((mask * (b - v)) >> 16) + v; + } + if(aShadowing == MAlphaBlend::EShdwAfter) + { + if (iShadowMode & EFade) + { + r = ((r * iFadeMapFactor) >> 8) + iFadeMapOffset; + g = ((g * iFadeMapFactor) >> 8) + iFadeMapOffset; + b = ((b * iFadeMapFactor) >> 8) + iFadeMapOffset; + } + if (iShadowMode & EShadow) + { + r = Max(0,r-0x40); + g = Max(0,g-0x40); + b = Max(0,b-0x40); + } + } + // Convert colour if an incompatible UserDisplayMode is being used + CDrawBitmap::MapColorToUserDisplayMode(r,g,b); + *pixelPtr = (r<<16) | (g<<8) | b | 0xff000000; + } + srcPtr16++; + pixelPtr += pixelPtrInc; + } + } + return; + } + } + +/** +CDrawUTwentyFourBppBitmap::WriteMaskLineEx() implementation. +@internalTechnology +@see MFastBlit::WriteMaskLineEx() +*/ +void CDrawUTwentyFourBppBitmap::WriteMaskLineEx(TInt aX, TInt aY, TInt aLength, TInt aSrcX, + const TUint32* aSrcPtr, TDisplayMode aSrcFormat, + TInt aMaskX, const TUint32* aMaskPtr, TBool aInvertMask) + { + // Only certain pixel formats are supported. Caller should check this. + __ASSERT_DEBUG(aSrcFormat ==EColor16MU || aSrcFormat ==EColor64K, User::Invariant()); + + DeOrientate(aX,aY); + TUint32* pixelPtr = PixelAddress(aX,aY); + const TInt pixelPtrInc = PixelAddressIncrement(); + const TUint32 invertWord = (aInvertMask ? 0xFFFFFFFF : 0); // to be XORed with the mask + + if (aSrcFormat==EColor16MU) + { + aSrcPtr += aSrcX; + + if ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU)) + { + const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 5); + const TInt startBit = aMaskX & 0x1F; + + if (startBit) + { + // Process initial incomplete mask word + TUint32 maskWord = *maskWordPtr++; + maskWord ^= invertWord; + TInt numPix = Min(aLength, 32 - startBit); // number of pixels to process from the first word of the mask + aLength -= numPix; + + if (!maskWord) + { + // maskWord is fully masked - skip the pixels + aSrcPtr += numPix; + pixelPtr += pixelPtrInc * numPix; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy the pixels + while (numPix--) + { + *pixelPtr = *aSrcPtr++; + pixelPtr += pixelPtrInc; + } + } + else + { + // maskWord is partially masked - process each pixel + TUint32 singleBitMask = 1 << startBit; + while (numPix--) + { + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + } + } + } + + TInt numMaskWords = aLength >> 5; + aLength &= 0x1F; + while (numMaskWords--) + { + // Process a complete mask word (32 pixels) + TUint32 maskWord = *maskWordPtr++; + maskWord ^= invertWord; + + if (!maskWord) + { + // maskWord is fully masked - skip 32 pixels + aSrcPtr += 32; + pixelPtr += pixelPtrInc << 5; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy 32 pixels + if (pixelPtrInc==1) + { + pixelPtr=(TUint32*)Mem::Move(pixelPtr, aSrcPtr, 128); + aSrcPtr+= 32; + } + else + { + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + *pixelPtr = *aSrcPtr++; pixelPtr += pixelPtrInc; + } + } + else + { + // maskWord is partially masked - process each of the 32 pixels + TUint32 singleBitMask = 1; + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + } + } + + + if (aLength) + { + // Process final incomplete mask word + TUint32 maskWord = *maskWordPtr; + maskWord ^= invertWord; + + if (!maskWord) + { + // maskWord is fully masked - skip the pixels + return; + } + if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy the pixels + while (aLength--) + { + *pixelPtr = *aSrcPtr++; + pixelPtr += pixelPtrInc; + } + } + else + { + // maskWord is partially masked - process each pixel + TUint32 singleBitMask = 1; + while (aLength--) + { + ProcessMaskPixel(aSrcPtr, maskWord, singleBitMask, pixelPtr, pixelPtrInc); + } + } + } + } + else + { + // Non-optimised path. UserDisplay mode is different to the true display mode + while (aLength--) + { + TUint32 mask = *(aMaskPtr + (aMaskX >> 5)) & (1 << (aMaskX & 0x1F)); + if (aInvertMask) + { + mask = !mask; + } + if (mask) + { + TRgb pixel(*aSrcPtr); + MapColorToUserDisplayMode(pixel); + *pixelPtr = pixel.Value(); + } + aSrcPtr++; + aMaskX++; + pixelPtr += pixelPtrInc; + } + } + return; + } + else // (aSrcFormat==EColor64K) + { + const TUint16* srcPtr16 = reinterpret_cast(aSrcPtr) + aSrcX; + + if ((iUserDispMode==ENone) || (iUserDispMode==EColor16MU)) + { + const TUint16* lowAdd = Convert16to32bppLow(); + const TUint32* highAdd = Convert16to32bppHigh(); + const TUint32* maskWordPtr = aMaskPtr + (aMaskX >> 5); + const TInt startBit = aMaskX & 0x1F; + + if (startBit) + { + // Process initial incomplete mask word + TUint32 maskWord = *maskWordPtr++; + maskWord ^= invertWord; + TInt numPix = Min(aLength, 32 - startBit); // number of pixels to process from the first word of the mask + aLength -= numPix; + + if (!maskWord) + { + // maskWord is fully masked - skip the pixels + srcPtr16 += numPix; + pixelPtr += pixelPtrInc * numPix; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy and convert the pixels + while (numPix--) + { + CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + else + { + // maskWord is partially masked - process each of the pixels + TUint32 singleBitMask = 1 << startBit; + while (numPix--) + { + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + } + + TInt numMaskWords = aLength >> 5; + aLength &= 0x1F; + while (numMaskWords--) + { + // Process complete mask words + TUint32 maskWord = *maskWordPtr++; + maskWord ^= invertWord; + + if (!maskWord) + { + // maskWord is fully masked - skip 32 pixels + srcPtr16 += 32; + pixelPtr += pixelPtrInc << 5; + } + else if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy and convert 32 pixels + const TUint32* srcPtr32 = (const TUint32*)srcPtr16; + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + CopyTwoPixels(srcPtr32, pixelPtr, pixelPtrInc, highAdd, lowAdd); + srcPtr16 = (const TUint16*)srcPtr32; + } + else + { + // maskWord is partially masked - process each of the 32 pixels + TUint32 singleBitMask = 1; + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + + if (aLength) + { + // Process final incomplete mask word + TUint32 maskWord = *maskWordPtr; // this will over-read + maskWord ^= invertWord; + + if (!maskWord) + { + // maskWord is masked - skip the pixels + return; + } + + if (maskWord == 0xFFFFFFFF) + { + // maskWord is fully unmasked - copy and convert the pixels + while (aLength--) + { + CopyPixel(srcPtr16, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + else + { + // maskWord is partially masked - process each of the pixels + TUint32 singleBitMask = 1; + while (aLength--) + { + ProcessMaskPixel(srcPtr16, maskWord, singleBitMask, pixelPtr, pixelPtrInc, highAdd, lowAdd); + } + } + } + } + else + { + // Non-optimised - expects aMaskPtr untouched and srcPtr16 to be accurate + while (aLength--) + { + TUint32 mask = *(aMaskPtr + (aMaskX >> 5)) & (1 << (aMaskX & 0x1F)); + if (aInvertMask) + { + mask = !mask; + } + if (mask) + { + const TUint32 src = *srcPtr16; + TUint32 color = (src & 0xF800) << 8; // R top 5 + color |= (src & 0xE000) << 3; // R bottom 3 + color |= (src & 0x07E0) << 5; // G top 6 + color |= (src & 0x0600) >> 1; // G bottom 2 + color |= (src & 0x001F) << 3; // B top 5 + color |= (src & 0x001C) >> 2; // B bottom 3 + TRgb pixel(color); + MapColorToUserDisplayMode(pixel); + *pixelPtr = pixel.Value(); + } + pixelPtr += pixelPtrInc; + srcPtr16++; + aMaskX++; + } + } + return; + } + } + +/** +Implementation for CFbsDrawDevice::GetInterface(). +Retrieves a pointer to a specified interface of CFbsDrawDevice implementation. +@param aInterfaceId Interface identifier of the interface to be retrieved. +@param aInterface Address of variable that retrieves the specified interface. +@return KErrNone If the interface is supported, KErrNotSupported otherwise. +*/ +TInt CDrawUTwentyFourBppBitmap::GetInterface(TInt aInterfaceId, TAny*& aInterface) + { + aInterface = NULL; + TInt ret = KErrNotSupported; + + switch (aInterfaceId) + { + case KFastBlitInterfaceID: + { + aInterface = static_cast(this); + ret = KErrNone; + break; + } + default: + { + return CDrawThirtyTwoBppBitmapCommon::GetInterface(aInterfaceId, aInterface); + } + } + + return ret; + } + +TInt CDrawUTwentyFourBppBitmap::WriteRgbOutlineAndShadow(TInt aX, TInt aY, const TInt aLength, + TUint32 aOutlinePenColor, TUint32 aShadowColor, + TUint32 aFillColor, const TUint8* aDataBuffer) + { + const TInt alpha = aOutlinePenColor >> 24; + if (alpha==0 || aLength<=0) + return KErrNone; + DeOrientate(aX,aY); + TUint32* pixelPtr = PixelAddress(aX,aY); + const TInt pixelPtrInc = PixelAddressIncrement(); + const TUint8* dataBufferPtrLimit = aDataBuffer + aLength; + TInt blendedRedColor; + TInt blendedGreenColor; + TInt blendedBlueColor; + TUint8 index = 0; + TUint32 finalColor; + + //Get red color. Equivalent to TRgb::Red() + const TInt redOutlinePenColor = (aOutlinePenColor & 0xff0000) >> 16; + const TInt redShadowColor = (aShadowColor & 0xff0000) >> 16; + const TInt redFillColor = (aFillColor & 0xff0000) >> 16; + + //Get green color. Equivalent to TRgb::Green() + const TInt greenOutlinePenColor = (aOutlinePenColor & 0xff00) >> 8; + const TInt greenShadowColor = (aShadowColor & 0xff00) >> 8; + const TInt greenFillColor = (aFillColor & 0xff00) >> 8; + + //Get blue color. Equivalent to TRgb::Blue() + const TInt blueOutlinePenColor = aOutlinePenColor & 0xff; + const TInt blueShadowColor = aShadowColor & 0xff; + const TInt blueFillColor = aFillColor & 0xff; + + const TUint32 mask2 = alpha | (alpha << 16); + while (aDataBuffer < dataBufferPtrLimit) + { + index = *aDataBuffer++; + + if (255 == FourColorBlendLookup[index][KBackgroundColorIndex]) + { + //background colour + //No drawing required so move on to next pixel. + pixelPtr += pixelPtrInc; + continue; + } + else if (255 == FourColorBlendLookup[index][KFillColorIndex]) + { + //Use fill colour to draw + finalColor = aFillColor; + } + else if (255 == FourColorBlendLookup[index][KShadowColorIndex]) + { + //Use shadow colour to draw + finalColor = aShadowColor; + } + else if (255 == FourColorBlendLookup[index][KOutlineColorIndex]) + { + //Use outline colour to draw + finalColor = aOutlinePenColor; + } + else + { + TUint32 backgroundColor = *pixelPtr; + blendedRedColor = redOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] + + redShadowColor * FourColorBlendLookup[index][KShadowColorIndex] + + redFillColor * FourColorBlendLookup[index][KFillColorIndex] + + ((backgroundColor & 0xff0000) >> 16) * FourColorBlendLookup[index][KBackgroundColorIndex]; + + blendedGreenColor = greenOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] + + greenShadowColor * FourColorBlendLookup[index][KShadowColorIndex] + + greenFillColor * FourColorBlendLookup[index][KFillColorIndex] + + ((backgroundColor & 0xff00) >> 8) * FourColorBlendLookup[index][KBackgroundColorIndex]; + + blendedBlueColor = blueOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] + + blueShadowColor * FourColorBlendLookup[index][KShadowColorIndex] + + blueFillColor * FourColorBlendLookup[index][KFillColorIndex] + + (backgroundColor & 0xff) * FourColorBlendLookup[index][KBackgroundColorIndex]; + + //Equivalent to TRgb::TRgb(TUint32) + finalColor = ((blendedRedColor&0xFF00) << 8) | (blendedGreenColor&0xFF00) | (blendedBlueColor>>8); + } + + if (alpha != 0xff) + { + TUint32 backgroundColor = *pixelPtr; + //Draw the final colour +// + const TUint32 s_rb = finalColor & 0x00FF00FF; + const TUint32 s_g = (finalColor & 0xFF00) >> 8; + const TUint32 d_rb = backgroundColor & 0x00FF00FF; + const TUint32 rb = ((((alpha * ((0x01000100 + s_rb) - d_rb)) >> 8) + d_rb) - mask2) & 0x00FF00FF; + + const TInt d_g = (backgroundColor & 0xFF00) >> 8; + const TInt g = ((alpha * (s_g - d_g)) >> 8) + d_g; + + finalColor = rb | (g<<8); + } + + *pixelPtr = (finalColor | 0xff000000); + pixelPtr += pixelPtrInc; + } + return KErrNone; + }