--- a/graphicsdeviceinterface/screendriver/sbit/BMDRAW16.CPP Wed Mar 31 23:34:07 2010 +0300
+++ b/graphicsdeviceinterface/screendriver/sbit/BMDRAW16.CPP Wed Apr 14 17:19:46 2010 +0300
@@ -1,4 +1,4 @@
-// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// Copyright (c) 1997-20010 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>
#if defined(SYMBIAN_USE_FAST_FADING)
// 16bpp fast fade - half the contrast and brighten
@@ -1427,9 +1428,6 @@
TUint32 aOutlinePenColor, TUint32 aShadowColor,
TUint32 aFillColor, const TUint8* aDataBuffer)
{
- const TInt alpha = aOutlinePenColor >> 24;
- if (alpha==0 || aLength<=0)
- return(KErrNone);
DeOrientate(aX,aY);
TUint16* pixelPtr = PixelAddress(aX,aY);
const TInt pixelPtrInc = LogicalPixelAddressIncrement();
@@ -1437,7 +1435,9 @@
TInt blendedRedColor;
TInt blendedGreenColor;
TInt blendedBlueColor;
+ TUint blendedAlpha;
TUint32 finalColor;
+ const TUint16* normTable = PtrTo16BitNormalisationTable();
//Get red color. Equivalent to TRgb::Red()
const TInt redOutlinePenColor = (aOutlinePenColor & 0xff0000) >> 16;
@@ -1454,69 +1454,58 @@
const TInt blueShadowColor = aShadowColor & 0xff;
const TInt blueFillColor = aFillColor & 0xff;
+ //Get alpha color. Equivalent to TRgb::Alpha()
+ const TUint alphaOutlinePenColor = aOutlinePenColor >> 24;
+ const TUint alphaShadowColor = aShadowColor >> 24;
+ const TUint alphaFillColor = aFillColor >> 24;
+
while (aDataBuffer < dataBufferPtrLimit)
{
TUint8 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;
+ *pixelPtr = Blend32To16((finalColor | 0xff000000), alphaFillColor, *pixelPtr);
}
else if (255 == FourColorBlendLookup[index][KShadowColorIndex])
{
//Use shadow colour to draw
finalColor = aShadowColor;
+ *pixelPtr = Blend32To16((finalColor | 0xff000000), alphaShadowColor, *pixelPtr);
}
else if (255 == FourColorBlendLookup[index][KOutlineColorIndex])
{
//Use outline colour to draw
- finalColor = aOutlinePenColor;
+ finalColor = aOutlinePenColor;
+ *pixelPtr = Blend32To16((finalColor | 0xff000000), alphaOutlinePenColor, *pixelPtr);
}
else
{
//Get the background pixel colour. Using the lookup table to convert 16 to 32 bit colour
- blendedRedColor = redOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
- redShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
- redFillColor * FourColorBlendLookup[index][KFillColorIndex];
-
- blendedGreenColor = greenOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
- greenShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
- greenFillColor * FourColorBlendLookup[index][KFillColorIndex];
-
- blendedBlueColor = blueOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
- blueShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
- blueFillColor * FourColorBlendLookup[index][KFillColorIndex];
+ 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;
+
+ blendedBlueColor = (blueOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] * alphaOutlinePenColor +
+ blueShadowColor * FourColorBlendLookup[index][KShadowColorIndex] * alphaShadowColor +
+ blueFillColor * FourColorBlendLookup[index][KFillColorIndex] * alphaFillColor) >> 16;
+
+ blendedAlpha = (alphaOutlinePenColor * FourColorBlendLookup[index][KOutlineColorIndex] +
+ alphaShadowColor * FourColorBlendLookup[index][KShadowColorIndex] +
+ alphaFillColor * FourColorBlendLookup[index][KFillColorIndex]) >> 8;
- TInt backGroundAlpha=FourColorBlendLookup[index][KBackgroundColorIndex];
- if (backGroundAlpha)
- {
- const TUint8* pixelPtr8 = reinterpret_cast<TUint8*>(pixelPtr);
- const TUint8 low = *pixelPtr8++;
- const TUint8 high = *pixelPtr8++;
- TUint32 backgroundColor = (*(Convert16to32bppHigh() + high)) | (*(Convert16to32bppLow() + low));
- blendedRedColor += ((backgroundColor & 0xff0000) >> 16) * backGroundAlpha;
- blendedGreenColor += ((backgroundColor & 0xff00) >> 8) * backGroundAlpha;
- blendedBlueColor += (backgroundColor & 0xff) * backGroundAlpha;
- }
- //Equivalent to TRgb::TRgb(TUint32)
- finalColor = ((blendedRedColor&0xFF00)<<8) | (blendedGreenColor&0xFF00) | (blendedBlueColor>>8);
- }
-
- if (alpha == 0xff)
- {
- *pixelPtr = Conv32To16(finalColor);
- }
- else
- {
- *pixelPtr = Blend32To16NoChecks(finalColor, alpha, *pixelPtr);
+ finalColor = PMA2NonPMAPixel((blendedAlpha << 24) | (blendedRedColor << 16) | (blendedGreenColor << 8) | blendedBlueColor, normTable);
+ *pixelPtr = Blend32To16((finalColor | 0xff000000), blendedAlpha, *pixelPtr);
}
pixelPtr += pixelPtrInc;
}