--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/webkitutils/rt_gesturehelper/src/utils.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,71 @@
+/*
+* 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 the License "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:  Gesture recognition utilities
+*
+*/
+
+
+#include "utils.h"
+
+#include <coemain.h> // for CCoeEnv
+#include <eikappui.h>  // for CEikAppUi
+
+#include "gesturedefs.h"
+
+namespace RT_GestureHelper
+    {
+    /** @return the longer edge of the size */
+    inline TInt LongerEdge( const TSize& aSize ) 
+        {
+        return Max( aSize.iHeight, aSize.iWidth );
+        }
+    
+    // for documentation, see header file
+    TRect ToleranceRect( const TPoint& aCenterPoint ) 
+        {
+        /*
+        TSize screenSize = static_cast<CEikAppUi*>( CCoeEnv::Static()->AppUi() )
+            ->ApplicationRect().Size(); 
+        // multiplication has to be done first, to avoid rounding integer to 0 with division
+        int toleranceLength = ( KGestureTolerancePercent * LongerEdge( screenSize ) ) / 100; 
+        */
+        long toleranceLength = Mm2Pixels(KFingerSize_mm) / 2;
+        TRect toleranceRect( aCenterPoint, TSize() );
+        // grow by the tolerance length, while keeping the center point
+        toleranceRect.Shrink( -toleranceLength, -toleranceLength );
+        return toleranceRect;
+        }
+    
+    long Twips2Pixels(long twips) 
+        {
+        CWsScreenDevice* screen = CCoeEnv::Static()->ScreenDevice();
+        TZoomFactor deviceMap(screen);
+        deviceMap.SetZoomFactor(TZoomFactor::EZoomOneToOne);
+        long px = deviceMap.VerticalTwipsToPixels(twips); //assuming that vertical
+        return px;                                        //the same as horizontal
+        
+        }
+    
+    long Mm2Pixels(long mm) 
+        {
+        return Twips2Pixels(mm * KTwipsInMm); 
+        }
+    
+    long Inches2Pixels(double inches) 
+        {
+        return Twips2Pixels(inches * KTwipsInInch); 
+        }
+
+        
+    } // namespace GestureHelper