/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/**
* @author Denis M. Kishenko
*/
package com.google.code.appengine.awt.geom;
import org.apache.harmony.misc.HashCode;
import com.google.code.appengine.awt.geom.Point2D;
public abstract class Point2D implements Cloneable {
public static class Float extends Point2D {
public float x;
public float y;
public Float() {
}
public Float(float x, float y) {
this.x = x;
this.y = y;
}
@Override
public double getX() {
return x;
}
@Override
public double getY() {
return y;
}
public void setLocation(float x, float y) {
this.x = x;
this.y = y;
}
@Override
public void setLocation(double x, double y) {
this.x = (float)x;
this.y = (float)y;
}
@Override
public String toString() {
return getClass().getName() + "[x=" + x + ",y=" + y + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
public static class Double extends Point2D {
public double x;
public double y;
public Double() {
}
public Double(double x, double y) {
this.x = x;
this.y = y;
}
@Override
public double getX() {
return x;
}
@Override
public double getY() {
return y;
}
@Override
public void setLocation(double x, double y) {
this.x = x;
this.y = y;
}
@Override
public String toString() {
return getClass().getName() + "[x=" + x + ",y=" + y + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
protected Point2D() {
}
public abstract double getX();
public abstract double getY();
public abstract void setLocation(double x, double y);
public void setLocation(Point2D p) {
setLocation(p.getX(), p.getY());
}
public static double distanceSq(double x1, double y1, double x2, double y2) {
x2 -= x1;
y2 -= y1;
return x2 * x2 + y2 * y2;
}
public double distanceSq(double px, double py) {
return Point2D.distanceSq(getX(), getY(), px, py);
}
public double distanceSq(Point2D p) {
return Point2D.distanceSq(getX(), getY(), p.getX(), p.getY());
}
public static double distance(double x1, double y1, double x2, double y2) {
return Math.sqrt(distanceSq(x1, y1, x2, y2));
}
public double distance(double px, double py) {
return Math.sqrt(distanceSq(px, py));
}
public double distance(Point2D p) {
return Math.sqrt(distanceSq(p));
}
@Override
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
throw new InternalError();
}
}
@Override
public int hashCode() {
HashCode hash = new HashCode();
hash.append(getX());
hash.append(getY());
return hash.hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof Point2D) {
Point2D p = (Point2D) obj;
return getX() == p.getX() && getY() == p.getY();
}
return false;
}
}