gcs-nf/opmap/core/point.h

/**
 ******************************************************************************
 *
 * @file       point.h
 * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
 * @brief
 * @see        The GNU Public License (GPL) Version 3
 * @defgroup   OPMapWidget
 * @{
 *
 *****************************************************************************/
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
#ifndef OPOINT_H
#define OPOINT_H


#include <QString>

namespace core {


struct  Size;
struct  Point {


public:


friend uint qHash(Point const & point);
friend bool operator==(Point const & lhs, Point const & rhs);
friend bool operator!=(Point const & lhs, Point const & rhs);



    Point();
    Point(int x, int y);
    Point(Size sz);
    Point(int dw);
    bool IsEmpty()
    {
        return empty;
    }
    int X() const
    {
        return this->x;
    }
    int Y() const
    {
        return this->y;
    }
    void SetX(const int &value)
    {
        x = value; empty = false;
    }
    void SetY(const int &value)
    {
        y = value; empty = false;
    }
    QString ToString() const
    {
        return "{" + QString::number(x) + "," + QString::number(y) + "}";
    }

    static Point Empty;
    void Offset(const int &dx, const int &dy)
    {
        x += dx;
        y += dy;
    }
    void Offset(Point p)
    {
        Offset(p.x, p.y);
    }
    static int HIWORD(int n);
    static int LOWORD(int n);

private:
    int  x;
    int  y;
    bool empty;
};
}
#endif // POINT_H