/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#ifndef _GESTURE_UTILS_H_

#define _GESTURE_UTILS_H_

#include <QtCore>

#include <QtGui>

#ifdef Q_OS_SYMBIAN

#include <e32math.h>

#define SQRT(out,x) Math::Sqrt(out,x)

#else

#define SQRT(out,x) (out = sqrt(x))

#endif

#define MAX(a,b) ((a>=b) ? a : b)

#define MIN(a,b) ((a<=b) ? a : b)

#define ABS(x)   ((x>=0) ? x : -x)

namespace qstmUiEventEngine

{

    class QStm_Utils

    {

    public:

        static QRect  toleranceRectMm( const QPoint& aCenterPoint, int size_mm );

        static QRect  toleranceRectPx( const QPoint& aCenterPoint, int size_px );

        static long   mm2Pixels(long mm);

        static long   inches2Pixels(double inches);

        static qreal  distanceF(const QPoint& p1, const QPoint& p2);

        static int    distance(const QPoint& p1, const QPoint& p2);

        static int    longerEdge( const QSize& size );

    };

}

#endif // _GESTURE_UTILS_H_