зеркало из https://github.com/mozilla/gecko-dev.git
126 строки
3.9 KiB
C
126 строки
3.9 KiB
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 1.1 (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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#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;
|
|
}
|
|
};
|
|
|
|
/** ---------------------------------------------------
|
|
* A point structure with floats for the Quadratic bezier curve
|
|
* @update 4/27/2000 dwc
|
|
*/
|
|
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;
|
|
}
|
|
};
|
|
|
|
/** ---------------------------------------------------
|
|
* A special type of point which also add the capability to tell if a point is on
|
|
* the curve.. or off of the curve for a path
|
|
* @update 03/29/00 dwc
|
|
*/
|
|
struct nsPathPoint: public nsFloatPoint{
|
|
|
|
PRBool mIsOnCurve;
|
|
|
|
// Constructors
|
|
nsPathPoint() {}
|
|
nsPathPoint(const nsPathPoint& aPoint) {x = aPoint.x; y = aPoint.y;mIsOnCurve=aPoint.mIsOnCurve;}
|
|
nsPathPoint(float aX, float aY) {x = aX; y = aY;mIsOnCurve=PR_TRUE;}
|
|
nsPathPoint(float aX, float aY,PRBool aIsOnCurve) {x = aX; y = aY;mIsOnCurve=aIsOnCurve;}
|
|
|
|
};
|
|
|
|
|
|
#endif /* NSPOINT_H */
|