--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/coretoolkit/inc/HuiFxTimeLine.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,123 @@
+/*
+* 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:   
+*
+*/
+
+
+
+#ifndef HUIFXTIMELINE_H_
+#define HUIFXTIMELINE_H_
+
+enum THuiFxLoopingMode
+    {
+    ELoopingModeNone,
+    ELoopingModeRepeat,
+    };
+
+enum THuiFxInterpolationMode
+    {
+    EInterpolationModeHold,
+    EInterpolationModeLinear,
+    EInterpolationModeQuadraticBezier,
+    EInterpolationModeCubicBezier,
+    EInterpolationModeInQuad,
+    EInterpolationModeOutQuad,
+    EInterpolationModeInOutQuad,
+    EInterpolationModeOutInQuad,
+    EInterpolationModeInBack,
+    EInterpolationModeOutBack,
+    EInterpolationModeInOutBack,
+    EInterpolationModeOutInBack,
+/*    
+    EInterpolationModeDecelerate,
+    EInterpolationModeAccelerate,
+    EInterpolationModeImpulse,
+    EInterpolationModeSineWave
+*/    
+    };
+
+template <typename TYPE, typename FPTYPE>
+class RHuiFxTimeLine
+    {
+public:
+    RHuiFxTimeLine();
+    ~RHuiFxTimeLine();
+
+    // TODO: tangent control, ease in/out
+    void AppendKeyFrameL(TReal32 aTime, TYPE aValue);
+    void AppendKeyFrameL(TReal32 aTime, TYPE aValue, TYPE aAuxValue1);
+    void AppendKeyFrameL(TReal32 aTime, TYPE aValue, TYPE aAuxValue1, TYPE aAuxValue2);
+     void SetLoopStart(TReal32 aTime);
+    TReal32 LoopStart() const;
+    void SetLoopEnd(TReal32 aTime);
+    TReal32 LoopEnd() const;
+    TReal32 Duration() const;
+    void SetDuration(TReal32 aDuration);
+    void SetInterpolationMode(THuiFxInterpolationMode aMode);
+    THuiFxInterpolationMode InterpolationMode() const;
+    void SetLoopingMode(THuiFxLoopingMode aMode);
+    THuiFxLoopingMode LoopingMode() const;
+    TYPE ValueAt(TReal32 aTime);
+    
+    RHuiFxTimeLine* CloneL();
+protected:
+    FPTYPE ToFixedPoint(const TYPE& aValue);
+    TYPE FromFixedPoint(const FPTYPE& aValue);
+    FPTYPE Blend(const FPTYPE& aValue1, const FPTYPE& aValue2, TInt32 aAlpha);
+    FPTYPE WeightedSum4(const FPTYPE& aValue1, const FPTYPE& aValue2, const FPTYPE& aValue3, const FPTYPE& aValue4,
+                        TInt32 aWeight1, TInt32 aWeight2, TInt32 aWeight3, TInt32 aWeight4);
+    TReal32 LocalTime(TReal32 aTime) const;
+
+private:
+    // Not implemented
+    RHuiFxTimeLine(const RHuiFxTimeLine& aTimeLine);
+    RHuiFxTimeLine& operator=(const RHuiFxTimeLine& aTimeLine);
+    
+private:
+    class TKeyFrame
+        {
+    public:
+        /** Time */
+        TReal32             iTime;
+        
+        /** Fixed point time */
+        TInt32              iFpTime;
+        
+        /** Value */
+        TYPE                iValue;
+
+        /** Fixed point value */
+        FPTYPE              iFpValue;
+        
+        /** Auxiliary values for bezier interpolation */
+        TYPE                iAuxValue[2];
+        FPTYPE              iFpAuxValue[2];
+        };
+    
+    typedef RArray<TKeyFrame> TKeyFrames;
+
+    TReal32                 iTime;
+    TReal32                 iDuration;
+    TKeyFrames              iKeyFrames;
+    TInt                    iLastIndex;
+    TReal32                 iLoopStart;
+    TReal32                 iLoopEnd;
+    THuiFxLoopingMode       iLoopingMode;
+    THuiFxInterpolationMode iInterpolationMode;
+    };
+
+#include "HuiFxTimeLine.inl"
+
+#endif /*HUIFXTIMELINE_H_*/