--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/src/HuiMappingFunctions.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 2006-2007 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:   ?Description
+*
+*/
+
+
+
+#include "uiacceltk/HuiMappingFunctions.h"
+#include "uiacceltk/huifixmath.h"
+
+
+EXPORT_C
+THuiConstantMappingFunction::THuiConstantMappingFunction(TReal32 aValue) __SOFTFP
+        : iValue(aValue)
+    {
+    }
+    
+    
+EXPORT_C TReal32 THuiConstantMappingFunction::MapValue(TReal32 /*aValue*/, 
+                                                     TInt /*aComponent*/) const __SOFTFP
+    {
+    return iValue;
+    }
+
+
+
+EXPORT_C THuiLinearMappingFunction::THuiLinearMappingFunction(TReal32 aFactor, TReal32 aOffset) __SOFTFP
+        : iFactor(aFactor), iOffset(aOffset)
+    {
+    }
+    
+
+EXPORT_C TReal32 THuiLinearMappingFunction::MapValue(TReal32 aValue, TInt /*aComponent*/) const __SOFTFP
+    {
+    return aValue * iFactor + iOffset;
+    }
+
+
+EXPORT_C 
+THuiSineMappingFunction::THuiSineMappingFunction(TReal32 aFactor, TReal32 aOffset) __SOFTFP
+        : iFactor(aFactor), iOffset(aOffset)
+    {
+    }
+
+
+EXPORT_C TReal32 THuiSineMappingFunction::MapValue(TReal32 aValue, TInt /*aComponent*/) const __SOFTFP
+    {
+    TReal32 mapped = HuiFixMath::FixToFloat(HuiFixMath::FixSin(HuiFixMath::FloatToFix(aValue)));
+    return mapped * iFactor + iOffset;
+    }
+
+
+EXPORT_C 
+THuiCosineMappingFunction::THuiCosineMappingFunction(TReal32 aFactor, TReal32 aOffset) __SOFTFP
+        : iFactor(aFactor), iOffset(aOffset)
+    {
+    }
+
+
+EXPORT_C TReal32 THuiCosineMappingFunction::MapValue(TReal32 aValue, TInt /*aComponent*/) const __SOFTFP
+    { 
+    TReal32 mapped = HuiFixMath::FixToFloat(HuiFixMath::FixCos(HuiFixMath::FloatToFix(aValue)));
+    return mapped * iFactor + iOffset;
+    }
+
+
+EXPORT_C
+THuiAverageMappingFunction::THuiAverageMappingFunction(MHuiMappingFunction* aFunc1, 
+                                                       MHuiMappingFunction* aFunc2)
+        : iFunc1(aFunc1), iFunc2(aFunc2), iFactor(0.5f),
+          iWeight( 0.5f ) // Balance between the functions.
+    {
+    }
+    
+
+EXPORT_C TReal32 THuiAverageMappingFunction::MapValue(TReal32 aValue, TInt aComponent) const __SOFTFP
+    {
+    TReal32 value = 0;
+    TReal32 weight = iWeight.Now();
+    
+    if(iFunc1)
+        {
+        value += 2 * (1 - weight) * iFunc1->MapValue(aValue, aComponent);
+        }
+    if(iFunc2)
+        {
+        value += 2 * weight * iFunc2->MapValue(aValue, aComponent);
+        }
+
+    return value * iFactor.Now();
+    }
+
+
+EXPORT_C TBool THuiAverageMappingFunction::MappingFunctionChanged() const
+    {
+    return (iFunc1 && iFunc1->MappingFunctionChanged() ||
+            iFunc2 && iFunc2->MappingFunctionChanged() ||
+            iFactor.Changed() || iWeight.Changed());
+    }
+
+
+EXPORT_C void THuiAverageMappingFunction::MappingFunctionClearChanged()
+    {
+    if(iFunc1)
+        {
+        iFunc1->MappingFunctionClearChanged();
+        }
+    if(iFunc2)
+        {
+        iFunc2->MappingFunctionClearChanged();
+        }
+    iFactor.ClearChanged();
+    iWeight.ClearChanged();  
+    }