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104 lines
2.7 KiB
C
104 lines
2.7 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 Mozilla 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/MPL/
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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) 1998-2000 Netscape Communications Corporation.
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* All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*/
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#ifndef NSPOINT2_H
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#define NSPOINT2_H
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#include "gfxtypes.h"
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/**
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* nsPoint2
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*
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* @version 1.1
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**/
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struct nsPoint2 {
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gfx_coord x, y;
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// Constructors
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nsPoint2() {}
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nsPoint2(const nsPoint2& aPoint) {x = aPoint.x; y = aPoint.y;}
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nsPoint2(gfx_coord aX, gfx_coord aY) {x = aX; y = aY;}
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void MoveTo(gfx_coord aX, gfx_coord aY) {x = aX; y = aY;}
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void MoveBy(gfx_coord aDx, gfx_coord 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 nsPoint2& 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 nsPoint2& aPoint) const {
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return (PRBool) ((x != aPoint.x) || (y != aPoint.y));
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}
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nsPoint2 operator+(const nsPoint2& aPoint) const {
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return nsPoint2(x + aPoint.x, y + aPoint.y);
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}
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nsPoint2 operator-(const nsPoint2& aPoint) const {
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return nsPoint2(x - aPoint.x, y - aPoint.y);
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}
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nsPoint2& operator+=(const nsPoint2& 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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nsPoint2& operator-=(const nsPoint2& 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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/**
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* A special type of point which also add the capability to tell if a point is on
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* the curve.. or off of the curve for a path
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*
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* @author Don Cone <dcone@netscape.com> (3/29/00)
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* @version 0.0
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*/
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struct nsPathPoint: public nsPoint2{
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PRBool mIsOnCurve;
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// Constructors
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nsPathPoint() {}
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nsPathPoint(const nsPathPoint& aPoint) {
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x = aPoint.x;
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y = aPoint.y;
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mIsOnCurve = aPoint.mIsOnCurve;
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}
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nsPathPoint(gfx_coord aX, gfx_coord aY) {
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x = aX;
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y = aY;
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mIsOnCurve = PR_TRUE;
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}
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nsPathPoint(gfx_coord aX, gfx_coord aY, PRBool aIsOnCurve) {
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x = aX;
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y = aY;
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mIsOnCurve = aIsOnCurve;
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}
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};
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#endif /* NSPOINT2_H */
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