/*
* $Id$
* This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc
*
* Copyright (c) 2000-2012 Stephane GALLAND.
* Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports,
* Universite de Technologie de Belfort-Montbeliard.
* Copyright (c) 2013-2016 The original authors, and other authors.
*
* 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 org.arakhne.afc.math.geometry.d2.i;
import org.eclipse.xtext.xbase.lib.Pure;
import org.arakhne.afc.math.geometry.d2.Point2D;
import org.arakhne.afc.math.geometry.d2.ai.Circle2ai;
import org.arakhne.afc.vmutil.asserts.AssertMessages;
/** A circle with 2 integer numbers.
*
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
* @since 13.0
*/
public class Circle2i extends AbstractShape2i<Circle2i>
implements Circle2ai<Shape2i<?>, Circle2i, PathElement2i, Point2i, Vector2i, Rectangle2i> {
private static final long serialVersionUID = -7692549016859323986L;
private int centerX;
private int centerY;
private int radius;
/** Construct an empty circle.
*/
public Circle2i() {
//
}
/** Construct a circle at the given position and with the given radius.
* @param center the center position of the circle.
* @param radius the radius of the circle.
*/
public Circle2i(Point2D<?, ?> center, int radius) {
assert center != null : AssertMessages.notNullParameter(0);
set(center.ix(), center.iy(), radius);
}
/** Construct a circle at the given position and with the given radius.
* @param x x coordinat eof the the center position of the circle.
* @param y y coordinat eof the the center position of the circle.
* @param radius the radius of the circle.
*/
public Circle2i(int x, int y, int radius) {
set(x, y, radius);
}
/** Construct a circle from a circle.
* @param circle the circle to copy.
*/
public Circle2i(Circle2ai<?, ?, ?, ?, ?, ?> circle) {
assert circle != null : AssertMessages.notNullParameter();
set(circle.getX(), circle.getY(), circle.getRadius());
}
@Pure
@Override
public int hashCode() {
int bits = 1;
bits = 31 * bits + Integer.hashCode(this.centerX);
bits = 31 * bits + Integer.hashCode(this.centerY);
bits = 31 * bits + Integer.hashCode(this.radius);
return bits ^ (bits >> 31);
}
@Pure
@Override
public int getX() {
return this.centerX;
}
@Pure
@Override
public int getY() {
return this.centerY;
}
@Override
public void setX(int x) {
if (this.centerX != x) {
this.centerX = x;
fireGeometryChange();
}
}
@Override
public void setY(int y) {
if (this.centerY != y) {
this.centerY = y;
fireGeometryChange();
}
}
@Pure
@Override
public int getRadius() {
return this.radius;
}
@Override
public void setRadius(int radius) {
assert radius >= 0 : AssertMessages.positiveOrZeroParameter();
if (this.radius != radius) {
this.radius = radius;
fireGeometryChange();
}
}
@Override
public void set(int x, int y, int radius) {
assert radius >= 0 : AssertMessages.positiveOrZeroParameter(2);
if (this.centerX != x || this.centerY != y || this.radius != radius) {
this.centerX = x;
this.centerY = y;
this.radius = radius;
fireGeometryChange();
}
}
}