зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.0 KiB
C
66 строки
2.0 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef NSPOINT_H
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#define NSPOINT_H
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#include "nsCoord.h"
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struct nsPoint {
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nscoord x, y;
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// Constructors
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nsPoint() {}
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nsPoint(const nsPoint& aPoint) {x = aPoint.x; y = aPoint.y;}
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nsPoint(nscoord aX, nscoord aY) {x = aX; y = aY;}
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void MoveTo(nscoord aX, nscoord aY) {x = aX; y = aY;}
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void MoveBy(nscoord aDx, nscoord aDy) {x += aDx; y += aDy;}
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// Overloaded operators. Note that '=' isn't defined so we'll get the
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// compiler generated default assignment operator
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PRBool operator==(const nsPoint& aPoint) const {
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return (PRBool) ((x == aPoint.x) && (y == aPoint.y));
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}
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PRBool operator!=(const nsPoint& aPoint) const {
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return (PRBool) ((x != aPoint.x) || (y != aPoint.y));
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}
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nsPoint operator+(const nsPoint& aPoint) const {
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return nsPoint(x + aPoint.x, y + aPoint.y);
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}
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nsPoint operator-(const nsPoint& aPoint) const {
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return nsPoint(x - aPoint.x, y - aPoint.y);
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}
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nsPoint& operator+=(const nsPoint& aPoint) {
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x += aPoint.x;
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y += aPoint.y;
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return *this;
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}
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nsPoint& operator-=(const nsPoint& aPoint) {
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x -= aPoint.x;
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y -= aPoint.y;
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return *this;
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}
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};
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#endif /* NSPOINT_H */
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