--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/src/HuiFxColorParameter.cpp Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,87 @@
+/*
+* Copyright (c) 2008 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 "HuiFxColorParameter.h"
+#include <gdi.h>
+
+template<>
+TUint32 RHuiFxColorTimeLine::ToFixedPoint(const TRgb& aValue)
+ {
+ return aValue.Internal();
+ }
+
+template<>
+TRgb RHuiFxColorTimeLine::FromFixedPoint(const TUint32& aValue)
+ {
+ return TRgb(aValue);
+ }
+
+template<>
+TUint32 RHuiFxColorTimeLine::Blend(const TUint32& aValue1, const TUint32& aValue2, TInt32 aAlpha)
+ {
+ TUint32 redBlue1 = (aValue1 & 0x00ff00ff);
+ TUint32 alphaGreen1 = (aValue1 & 0xff00ff00) >> 8;
+ TUint32 redBlue2 = (aValue2 & 0x00ff00ff);
+ TUint32 alphaGreen2 = (aValue2 & 0xff00ff00) >> 8;
+
+ TUint32 redBlueDelta = redBlue2 - redBlue1;
+ TUint32 alphaGreenDelta = alphaGreen2 - alphaGreen1;
+
+ aAlpha >>= 8;
+
+ redBlueDelta = (redBlueDelta * aAlpha) >> 8;
+ alphaGreenDelta = (alphaGreenDelta * aAlpha) >> 8;
+
+ redBlue1 += (redBlueDelta & 0xff00ff);
+ alphaGreen1 += (alphaGreenDelta & 0xff00ff);
+
+ return redBlue1 | (alphaGreen1 << 8);
+ }
+
+template<>
+TUint32 RHuiFxColorTimeLine::WeightedSum4(const TUint32& aValue1, const TUint32& aValue2, const TUint32& aValue3, const TUint32& aValue4,
+ TInt32 aWeight1, TInt32 aWeight2, TInt32 aWeight3, TInt32 aWeight4)
+ {
+ TUint32 a1 = ((aValue1 & 0xff000000) >> 24) * aWeight1;
+ TUint32 a2 = ((aValue2 & 0xff000000) >> 24) * aWeight2;
+ TUint32 a3 = ((aValue3 & 0xff000000) >> 24) * aWeight3;
+ TUint32 a4 = ((aValue4 & 0xff000000) >> 24) * aWeight4;
+
+ TUint32 r1 = ((aValue1 & 0x00ff0000) >> 16) * aWeight1;
+ TUint32 r2 = ((aValue2 & 0x00ff0000) >> 16) * aWeight2;
+ TUint32 r3 = ((aValue3 & 0x00ff0000) >> 16) * aWeight3;
+ TUint32 r4 = ((aValue4 & 0x00ff0000) >> 16) * aWeight4;
+
+ TUint32 g1 = ((aValue1 & 0x0000ff00) >> 8) * aWeight1;
+ TUint32 g2 = ((aValue2 & 0x0000ff00) >> 8) * aWeight2;
+ TUint32 g3 = ((aValue3 & 0x0000ff00) >> 8) * aWeight3;
+ TUint32 g4 = ((aValue4 & 0x0000ff00) >> 8) * aWeight4;
+
+ TUint32 b1 = (aValue1 & 0x000000ff) * aWeight1;
+ TUint32 b2 = (aValue2 & 0x000000ff) * aWeight2;
+ TUint32 b3 = (aValue3 & 0x000000ff) * aWeight3;
+ TUint32 b4 = (aValue4 & 0x000000ff) * aWeight4;
+
+ TUint32 a = ((a1 + a2 + a3 + a4) << 8) & 0xff000000;
+ TUint32 r = ((r1 + r2 + r3 + r4)) & 0x00ff0000;
+ TUint32 g = ((g1 + g2 + g3 + g4) >> 8) & 0x0000ff00;
+ TUint32 b = ((b1 + b2 + b3 + b4) >> 16) & 0x000000ff;
+
+ return (a | r | g | b);
+ }