--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qstmgesturelib/qstmutils.cpp	Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,91 @@
+/*
+* 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:   Gesture recognition utilities
+*
+*/
+
+
+#include "qstmutils.h"
+#include "qstmgesturedefs.h"
+
+using namespace qstmUiEventEngine;
+
+inline int QStm_Utils::longerEdge( const QSize& size )
+{
+	return MAX( size.height(), size.width() );
+}
+
+
+QRect QStm_Utils::toleranceRectMm( const QPoint& centerPoint, int size_mm )
+{
+	long toleranceLength = mm2Pixels(size_mm) / 2;
+	return toleranceRectPx(centerPoint, toleranceLength);
+}
+
+QRect QStm_Utils::toleranceRectPx( const QPoint& centerPoint, int size_px )
+{
+	QRect toleranceRect( QPoint(0,0), QSize(size_px, size_px) );
+	// grow by the tolerance length, while keeping the center point
+	toleranceRect.moveCenter(centerPoint);
+	return toleranceRect;
+}
+
+
+long QStm_Utils::mm2Pixels(long mm)
+{
+	//return Twips2Pixels(mm * KTwipsInMm);
+	return mm * QApplication::desktop()->height() / QApplication::desktop()->heightMM();
+}
+
+long QStm_Utils::inches2Pixels(double inches)
+	{
+	//return Twips2Pixels(inches * KTwipsInInch);
+	return inches * 25.4 * QApplication::desktop()->height() / QApplication::desktop()->heightMM();
+	}
+
+int QStm_Utils::distance(const QPoint& p1, const QPoint& p2)
+{
+/*
+	double d = dx * dx + dy * dy;
+	double dist ;
+	Math::Sqrt(dist, d) ;
+	return dist;
+*/
+	QPoint diff = p1 - p2;
+	int x = diff.x();
+	int y = diff.y();
+	
+	if(x<0) x=-x;
+	if(y<0) y=-y;
+	if(x < y) {
+	  int t = x;
+	  x = y;
+	  y = t;        // ensures that x >= y
+	}
+	int dist = (y < ((13107 * x)>>15)) ?    // * (.4)
+			  (x + ((y * 6310)>>15)) :      // * (.192582403)
+			  (((x * 27926)>>15)            // * (.852245894)
+				 + ((y * 18414)>>15));      // * (.561967668)
+	return dist;
+}
+
+
+qreal QStm_Utils::distanceF(const QPoint& p1, const QPoint& p2)
+{
+	QPoint diff = p1 - p2;
+	double dist;
+	SQRT(dist, ((qreal)(diff.x() * diff.x() + diff.y() * diff.y()))) ;
+	return dist;
+}
+