text: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
  /* ***** BEGIN LICENSE BLOCK *****
   * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   *
   * The contents of this file are subject to the Mozilla Public License Version
   * 1.1 (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   * http://www.mozilla.org/MPL/
   *
   * Software distributed under the License is distributed on an "AS IS" basis,
   * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
   * for the specific language governing rights and limitations under the
   * License.
   *
   * The Original Code is mozilla.org code.
   *
   * The Initial Developer of the Original Code is
   * Netscape Communications Corporation.
   * Portions created by the Initial Developer are Copyright (C) 1998
   * the Initial Developer. All Rights Reserved.
   *
   * Contributor(s):
   *
   * Alternatively, the contents of this file may be used under the terms of
   * either of the GNU General Public License Version 2 or later (the "GPL"),
   * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
   * in which case the provisions of the GPL or the LGPL are applicable instead
   * of those above. If you wish to allow use of your version of this file only
   * under the terms of either the GPL or the LGPL, and not to allow others to
   * use your version of this file under the terms of the MPL, indicate your
   * decision by deleting the provisions above and replace them with the notice
   * and other provisions required by the GPL or the LGPL. If you do not delete
   * the provisions above, a recipient may use your version of this file under
   * the terms of any one of the MPL, the GPL or the LGPL.
   *
   * ***** END LICENSE BLOCK ***** */
  
  #ifndef NSPOINT_H
  #define NSPOINT_H
  
  #include "nsCoord.h"
  
  struct nsPoint {
    nscoord x, y;
  
    // Constructors
    nsPoint() {}
    nsPoint(const nsPoint& aPoint) { x = aPoint.x; y = aPoint.y;}
    nsPoint(nscoord aX, nscoord aY) { VERIFY_COORD(aX); VERIFY_COORD(aY); x = aX; y = aY;}
  
    void MoveTo(nscoord aX, nscoord aY) {x = aX; y = aY;}
    void MoveBy(nscoord aDx, nscoord aDy) {x += aDx; y += aDy;}
  
    // Overloaded operators. Note that '=' isn't defined so we'll get the
    // compiler generated default assignment operator
    PRBool   operator==(const nsPoint& aPoint) const {
      return (PRBool) ((x == aPoint.x) && (y == aPoint.y));
    }
    PRBool   operator!=(const nsPoint& aPoint) const {
      return (PRBool) ((x != aPoint.x) || (y != aPoint.y));
    }
    nsPoint operator+(const nsPoint& aPoint) const {
      return nsPoint(x + aPoint.x, y + aPoint.y);
    }
    nsPoint operator-(const nsPoint& aPoint) const {
      return nsPoint(x - aPoint.x, y - aPoint.y);
    }
    nsPoint& operator+=(const nsPoint& aPoint) {
      x += aPoint.x;
      y += aPoint.y;
      return *this;
    }
    nsPoint& operator-=(const nsPoint& aPoint) {
      x -= aPoint.x;
      y -= aPoint.y;
      return *this;
    }
  
    nsPoint operator-() const {
      return nsPoint(-x, -y);
    }
  };
  
  #ifdef NS_COORD_IS_FLOAT
  struct nsIntPoint {
    PRInt32 x, y;
  
    // Constructors
    nsIntPoint() {}
    nsIntPoint(const nsIntPoint& aPoint) { x = aPoint.x; y = aPoint.y;}
    nsIntPoint(PRInt32 aX, PRInt32 aY) { x = aX; y = aY;}
  
    void MoveTo(PRInt32 aX, PRInt32 aY) {x = aX; y = aY;}
  };
  
  typedef nsPoint nsFloatPoint;
  #else
  typedef nsPoint nsIntPoint;
  
  struct nsFloatPoint {
    float x, y;
  
    // Constructors
    nsFloatPoint() {}
    nsFloatPoint(const nsFloatPoint& aPoint) {x = aPoint.x; y = aPoint.y;}
    nsFloatPoint(float aX, float aY) {x = aX; y = aY;}
  
    void MoveTo(float aX, float aY) {x = aX; y = aY;}
    void MoveTo(nscoord aX, nscoord aY) {x = (float)aX; y = (float)aY;}
    void MoveBy(float aDx, float aDy) {x += aDx; y += aDy;}
  
    // Overloaded operators. Note that '=' isn't defined so we'll get the
    // compiler generated default assignment operator
    PRBool   operator==(const nsFloatPoint& aPoint) const {
      return (PRBool) ((x == aPoint.x) && (y == aPoint.y));
    }
    PRBool   operator!=(const nsFloatPoint& aPoint) const {
      return (PRBool) ((x != aPoint.x) || (y != aPoint.y));
    }
    nsFloatPoint operator+(const nsFloatPoint& aPoint) const {
      return nsFloatPoint(x + aPoint.x, y + aPoint.y);
    }
    nsFloatPoint operator-(const nsFloatPoint& aPoint) const {
      return nsFloatPoint(x - aPoint.x, y - aPoint.y);
    }
    nsFloatPoint& operator+=(const nsFloatPoint& aPoint) {
      x += aPoint.x;
      y += aPoint.y;
      return *this;
    }
    nsFloatPoint& operator-=(const nsFloatPoint& aPoint) {
      x -= aPoint.x;
      y -= aPoint.y;
      return *this;
    }
  };
  #endif // !NS_COORD_IS_FLOAT
  
  #endif /* NSPOINT_H */
  