--- a/graphicsdeviceinterface/screendriver/sbit/BMDRAW24U.CPP Wed Mar 31 23:34:07 2010 +0300
+++ b/graphicsdeviceinterface/screendriver/sbit/BMDRAW24U.CPP Wed Apr 14 17:19:46 2010 +0300
@@ -1,4 +1,4 @@
-// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+// Copyright (c) 2003-2010 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"
@@ -16,6 +16,7 @@
#include "BMDRAW.H"
#include "BitDrawInterfaceId.h"
#include <graphics/lookuptable.h>
+#include <graphics/blendingalgorithms.h>
TInt CDrawUTwentyFourBppBitmap::Construct(TSize aSize)
{
@@ -1184,9 +1185,6 @@
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();
@@ -1194,8 +1192,10 @@
TInt blendedRedColor;
TInt blendedGreenColor;
TInt blendedBlueColor;
+ TInt blendedAlpha;
TUint8 index = 0;
TUint32 finalColor;
+ const TUint16* normTable = PtrTo16BitNormalisationTable();
//Get red color. Equivalent to TRgb::Red()
const TInt redOutlinePenColor = (aOutlinePenColor & 0xff0000) >> 16;
@@ -1212,72 +1212,58 @@
const TInt blueShadowColor = aShadowColor & 0xff;
const TInt blueFillColor = aFillColor & 0xff;
- const TUint32 mask2 = alpha | (alpha << 16);
+ //Get alpha color. Equivalent to TRgb::Alpha()
+ const TInt alphaOutlinePenColor = aOutlinePenColor >> 24;
+ const TInt alphaShadowColor = aShadowColor >> 24;
+ const TInt alphaFillColor = aFillColor >> 24;
+
while (aDataBuffer < dataBufferPtrLimit)
{
index = *aDataBuffer++;
-
if (255 == FourColorBlendLookup[index][KBackgroundColorIndex])
{
//background colour
- //No drawing required so move on to next pixel.
- pixelPtr += pixelPtrInc;
- continue;
+ //No drawing required
}
else if (255 == FourColorBlendLookup[index][KFillColorIndex])
{
//Use fill colour to draw
finalColor = aFillColor;
+ AlphaBlendPixelToDest((finalColor | 0xff000000), alphaFillColor, pixelPtr);
}
else if (255 == FourColorBlendLookup[index][KShadowColorIndex])
{
//Use shadow colour to draw
finalColor = aShadowColor;
+ AlphaBlendPixelToDest((finalColor | 0xff000000), alphaShadowColor, pixelPtr);
}
else if (255 == FourColorBlendLookup[index][KOutlineColorIndex])
{
//Use outline colour to draw
finalColor = aOutlinePenColor;
+ AlphaBlendPixelToDest((finalColor | 0xff000000), alphaOutlinePenColor, pixelPtr);
}
else
{
- TUint32 backgroundColor = *pixelPtr;
- blendedRedColor = redOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
- redShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
- redFillColor * FourColorBlendLookup[index][KFillColorIndex] +
- ((backgroundColor & 0xff0000) >> 16) * FourColorBlendLookup[index][KBackgroundColorIndex];
+ blendedRedColor = (redOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] * alphaOutlinePenColor +
+ redShadowColor * FourColorBlendLookup[index][KShadowColorIndex] * alphaShadowColor +
+ redFillColor * FourColorBlendLookup[index][KFillColorIndex] * alphaFillColor) >> 16;
+
+ blendedGreenColor = (greenOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] * alphaOutlinePenColor +
+ greenShadowColor * FourColorBlendLookup[index][KShadowColorIndex] * alphaShadowColor +
+ greenFillColor * FourColorBlendLookup[index][KFillColorIndex] * alphaFillColor) >> 16;
- blendedGreenColor = greenOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
- greenShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
- greenFillColor * FourColorBlendLookup[index][KFillColorIndex] +
- ((backgroundColor & 0xff00) >> 8) * FourColorBlendLookup[index][KBackgroundColorIndex];
+ blendedBlueColor = (blueOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] * alphaOutlinePenColor +
+ blueShadowColor * FourColorBlendLookup[index][KShadowColorIndex] * alphaShadowColor +
+ blueFillColor * FourColorBlendLookup[index][KFillColorIndex] * alphaFillColor) >> 16;
- blendedBlueColor = blueOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
- blueShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
- blueFillColor * FourColorBlendLookup[index][KFillColorIndex] +
- (backgroundColor & 0xff) * FourColorBlendLookup[index][KBackgroundColorIndex];
+ blendedAlpha = (alphaOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
+ alphaShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
+ alphaFillColor * FourColorBlendLookup[index][KFillColorIndex]) >> 8;
- //Equivalent to TRgb::TRgb(TUint32)
- finalColor = ((blendedRedColor&0xFF00) << 8) | (blendedGreenColor&0xFF00) | (blendedBlueColor>>8);
+ finalColor = PMA2NonPMAPixel((blendedAlpha << 24) | (blendedRedColor << 16) | (blendedGreenColor << 8) | blendedBlueColor, normTable);
+ AlphaBlendPixelToDest(finalColor | 0xff000000, blendedAlpha, pixelPtr);
}
-
- 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;