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sdlmm_spoint.h

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/*
 * SDLmm - a C++ wrapper for SDL and related libraries
 * Copyright © 2001 David Hedbor <david@hedbor.org>
 * 
 * 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef SDLMM_SPOINT_H
#define SDLMM_SPOINT_H

namespace SDLmm {
  class DECLSPEC SPoint {
  public:
    SPoint() : x(0), y(0) {
    }


    SPoint(const SPoint& point) : x(point.x), y(point.y) {
    }


    SPoint(Sint16 nx, Sint16 ny) : x(nx), y(ny) {  }

    SPoint& operator=(const SPoint& point) {
      if(this != &point)
      {
        x = point.x;
        y = point.y;
      }
      return *this;
    }


    bool operator==(const SPoint& point) const {
      return ((x == point.x) && (y == point.y));
    }

    bool operator<(const SPoint &point) const {
      return x < point.x && y < point.y;
    }

    bool operator<=(const SPoint &point) const {
      return x <= point.x && y <= point.y;
    }
    
    bool operator>(const SPoint &point) const {
      return !operator<(point);
    }
    bool operator>=(const SPoint &point) const {
      return !operator<=(point);
    }

    SPoint& operator+=(const SPoint& point) {
      x += point.x;
          y += point.y;
          return *this;
    }

    SPoint& operator-=(const SPoint& point) {
      x -= point.x;
          y -= point.y;
          return *this;
    }

    SPoint operator+(const SPoint& point) const {
      return SPoint(x + point.x, y + point.y);
    }

    SPoint operator-(const SPoint& point) const {
      return SPoint(x - point.x, y - point.y);
    }

    SPoint& operator*=(Sint16 scalar) {
      x *= scalar;
          y *= scalar;
          return *this;
    }

    SPoint& operator/=(Sint16 scalar) {
      x /= scalar;
          y /= scalar;
          return *this;
    }

    SPoint operator*(Sint16 scalar) const {
      return SPoint(x * scalar, y * scalar);
    }

    SPoint operator/(Sint16 scalar) const {
      return SPoint(x / scalar, y / scalar);
    }

    Sint16 x;
    Sint16 y;
  };
}

#endif // SDLMM_SPOINT_H

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