--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/ServerCore/Inc/alfframestamp.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,71 @@
+/*
+* Copyright (c) 2009 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:   Helper class for frame rate calculation
+*
+*/
+
+
+#ifndef C_ALFFRAMESTAMP_H_
+#define C_ALFFRAMESTAMP_H_
+
+NONSHARABLE_CLASS(TFrameStamp)
+    {
+public:
+    
+    TFrameStamp(){};
+    
+    TFrameStamp( TUint aFrameIndex )
+        { 
+        iFrameIndex = aFrameIndex;
+        iTime.UniversalTime();
+        };
+    
+    /*
+     * FrameRate
+     *
+     * Calculates framerate between this and the given frame
+     * 
+     * @aParam  aStamp  The beginning frame for FPS calculation. 
+     *                  This object represents the end frame.
+     */
+    TReal32 FrameRate(TFrameStamp& aStamp)
+        {
+        TInt64 delta = iTime.MicroSecondsFrom( aStamp.iTime ).Int64();
+
+#ifdef EKA2
+        TReal32 elapsed = delta / 1.0e6;
+#else
+        TReal32 elapsed = delta.GetTReal() / 1.0e6;
+#endif
+        TReal32 elapsedFrames = iFrameIndex - aStamp.iFrameIndex; 
+        TReal32 fps = 0;
+        RDebug::Print(_L("FrameRate - frames %4.2f, elapsed time in microseconds: %4.2f"), elapsedFrames, elapsed);
+        
+        if ( elapsed != 0.0 )
+            {
+            fps = ( elapsedFrames  / elapsed);
+            }
+        return fps;
+        };
+
+private:
+
+    TTime iTime;
+
+    TUint iFrameIndex;
+
+    };
+
+
+#endif /* C_ALFFRAMESTAMP_H_ */