de.swm.commons.mobile.client.utils.Point Maven / Gradle / Ivy
/*
* Copyright 2011 SWM Services GmbH.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package de.swm.commons.mobile.client.utils;
/**
* Defines a Point on a Screen.
*
*/
public class Point {
private double x, y;
/**
* Default constructor.
*
* @param c
* other point
*/
public Point(Point c) {
x = c.x;
y = c.y;
}
/**
* Constructor.
*
* @param x
* x pos
* @param y
* y pos
*/
public Point(double x, double y) {
setPosition(x, y);
}
/**
* Will change the postion o this point.
*
* @param x
* the new x pos
* @param y
* the new y pos
* @return the this reference
*/
public Point setPosition(double x, double y) {
this.x = x;
this.y = y;
return this;
}
/**
* Will return the x position.
*
* @return the x position.
*/
public double xPos() {
return x;
}
/**
* Will return the y position.
*
* @return the y position.
*/
public double yPos() {
return y;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof Point)) {
return false;
}
Point c = (Point) obj;
return (x == c.x) && (y == c.y);
}
@Override
public int hashCode() {
return (int) x ^ (int) y;
}
/**
* Will subtract a point
*
* @param c
* another point
* @return this reference
*/
public Point minus(Point c) {
this.x -= c.x;
this.y -= c.y;
return this;
}
/**
* Will add a point.
*
* @param c
* the new point
* @return this reference
*/
public Point plus(Point c) {
this.x += c.x;
this.y += c.y;
return this;
}
/**
* Will clone the point.
*
* @param c
* the point to clone
* @return this reference
*/
public Point clone(Point c) {
this.x = c.x;
this.y = c.y;
return this;
}
@Override
public String toString() {
return "(" + x + ", " + y + ")";
}
}