зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.8 KiB
C
142 строки
4.8 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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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/** ---------------------------------------------------
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* A point structure with floats for the Quadratic bezier curve
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* @update 4/27/2000 dwc
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*/
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struct nsFloatPoint {
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float x, y;
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// Constructors
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nsFloatPoint() {}
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nsFloatPoint(const nsFloatPoint& aPoint) {x = aPoint.x; y = aPoint.y;}
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nsFloatPoint(float aX, float aY) {x = aX; y = aY;}
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void MoveTo(float aX, float aY) {x = aX; y = aY;}
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void MoveTo(nscoord aX, nscoord aY) {x = (float)aX; y = (float)aY;}
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void MoveBy(float aDx, float 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 nsFloatPoint& 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 nsFloatPoint& aPoint) const {
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return (PRBool) ((x != aPoint.x) || (y != aPoint.y));
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}
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nsFloatPoint operator+(const nsFloatPoint& aPoint) const {
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return nsFloatPoint(x + aPoint.x, y + aPoint.y);
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}
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nsFloatPoint operator-(const nsFloatPoint& aPoint) const {
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return nsFloatPoint(x - aPoint.x, y - aPoint.y);
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}
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nsFloatPoint& operator+=(const nsFloatPoint& 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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nsFloatPoint& operator-=(const nsFloatPoint& 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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* @update 03/29/00 dwc
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*/
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struct nsPathPoint: public nsFloatPoint{
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PRBool mIsOnCurve;
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// Constructors
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nsPathPoint() {}
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nsPathPoint(const nsPathPoint& aPoint) {x = aPoint.x; y = aPoint.y;mIsOnCurve=aPoint.mIsOnCurve;}
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nsPathPoint(float aX, float aY) {x = aX; y = aY;mIsOnCurve=PR_TRUE;}
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nsPathPoint(float aX, float aY,PRBool aIsOnCurve) {x = aX; y = aY;mIsOnCurve=aIsOnCurve;}
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};
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#endif /* NSPOINT_H */
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