com.google.gwt.touch.client.Point Maven / Gradle / Ivy
/*
* Copyright 2011 Google Inc.
*
* 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 com.google.gwt.touch.client;
/**
* A simple point class.
*/
public class Point {
private final double x;
private final double y;
public Point() {
this(0.0, 0.0);
}
public Point(double x, double y) {
this.x = x;
this.y = y;
}
public Point(Point c) {
this(c.x, c.y);
}
/**
* Divide this point {@link Point} by specified point and return the result.
* Does not modified this {@link Point}.
*
* @param c the value by which to divide
* @return the resulting point
*/
public Point div(Point c) {
return new Point(x / c.x, y / c.y);
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof Point)) {
return false;
}
Point c = (Point) obj;
return (x == c.x) && (y == c.y);
}
/**
* Get the x value of the point.
*
* @return the x value
*/
public double getX() {
return x;
}
/**
* Get the y value of the point.
*
* @return the y value
*/
public double getY() {
return y;
}
@Override
public int hashCode() {
return (int) x ^ (int) y;
}
/**
* Subtract the specified {@link Point} from this point and return the result.
* Does not modified this {@link Point}.
*
* @param c the value to subtract
* @return the resulting point
*/
public Point minus(Point c) {
return new Point(x - c.x, y - c.y);
}
/**
* Multiple this point {@link Point} by specified point and return the result.
* Does not modified this {@link Point}.
*
* @param c the value by which to multiply
* @return the resulting point
*/
public Point mult(Point c) {
return new Point(x * c.x, y * c.y);
}
/**
* Add the specified {@link Point} to this point and return the result. Does
* not modified this {@link Point}.
*
* @param c the value to add
* @return the resulting point
*/
public Point plus(Point c) {
return new Point(x + c.x, y + c.y);
}
@Override
public String toString() {
return "Point(" + x + "," + y + ")";
}
}