gecko-dev/gfx/public/nsPoint.h

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C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#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) {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;
}
};
#endif /* NSPOINT_H */