/*
* $Id$
* 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.Tuple2D;
import org.arakhne.afc.vmutil.asserts.AssertMessages;
/** 2D tuple with 2 integer numbers.
*
* @param <RT> is the replied type by the tuple.
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
* @since 13.0
*/
public class Tuple2i<RT extends Tuple2i<? super RT>> implements Tuple2D<RT> {
private static final long serialVersionUID = 3136314939750740492L;
/** x coordinate.
*/
int x;
/** y coordinate.
*/
int y;
/** Construct aa zero tuple.
*/
public Tuple2i() {
//
}
/** Constructor by copy.
* @param tuple is the tuple to copy.
*/
public Tuple2i(Tuple2i<?> tuple) {
assert tuple != null : AssertMessages.notNullParameter();
this.x = tuple.x;
this.y = tuple.y;
}
/** Constructor by copy.
* @param tuple is the tuple to copy.
*/
public Tuple2i(Tuple2D<?> tuple) {
assert tuple != null : AssertMessages.notNullParameter();
this.x = tuple.ix();
this.y = tuple.iy();
}
/** Constructor by copy.
* @param tuple is the tuple to copy.
*/
public Tuple2i(int[] tuple) {
assert tuple != null : AssertMessages.notNullParameter();
assert tuple.length >= 2 : AssertMessages.tooSmallArrayParameter(tuple.length, 2);
this.x = tuple[0];
this.y = tuple[1];
}
/** Constructor by copy.
* @param tuple is the tuple to copy.
*/
public Tuple2i(double[] tuple) {
assert tuple != null : AssertMessages.notNullParameter();
assert tuple.length >= 2 : AssertMessages.tooSmallArrayParameter(tuple.length, 2);
this.x = (int) Math.round(tuple[0]);
this.y = (int) Math.round(tuple[1]);
}
/** Construct a tuple with the given coordinates.
* @param x x coordinate.
* @param y y coordinate.
*/
public Tuple2i(int x, int y) {
this.x = x;
this.y = y;
}
/** Construct a tuple with the given coordinates.
* @param x x coordinate.
* @param y y coordinate.
*/
public Tuple2i(double x, double y) {
this.x = (int) Math.round(x);
this.y = (int) Math.round(y);
}
@SuppressWarnings("unchecked")
@Pure
@Override
public RT clone() {
try {
return (RT) super.clone();
} catch (CloneNotSupportedException e) {
throw new InternalError(e);
}
}
@Override
public void absolute() {
this.x = Math.abs(this.x);
this.y = Math.abs(this.y);
}
@Override
public void absolute(Tuple2D<?> tuple) {
assert tuple != null : AssertMessages.notNullParameter();
tuple.set(Math.abs(this.x), Math.abs(this.y));
}
@Override
public void add(int x, int y) {
this.x += x;
this.y += y;
}
@Override
public void add(double x, double y) {
this.x = (int) Math.round(this.x + x);
this.y = (int) Math.round(this.y + y);
}
@Override
public void addX(int x) {
this.x += x;
}
@Override
public void addX(double x) {
this.x = (int) Math.round(this.x + x);
}
@Override
public void addY(int y) {
this.y += y;
}
@Override
public void addY(double y) {
this.y = (int) Math.round(this.y + y);
}
@Override
public void negate(Tuple2D<?> tuple) {
assert tuple != null : AssertMessages.notNullParameter();
this.x = -tuple.ix();
this.y = -tuple.iy();
}
@Override
public void negate() {
this.x = -this.x;
this.y = -this.y;
}
@Override
public void scale(int scale, Tuple2D<?> tuple) {
assert tuple != null : AssertMessages.notNullParameter();
this.x = (int) Math.round(scale * tuple.getX());
this.y = (int) Math.round(scale * tuple.getY());
}
@Override
public void scale(double scale, Tuple2D<?> tuple) {
assert tuple != null : AssertMessages.notNullParameter();
this.x = (int) Math.round(scale * tuple.getX());
this.y = (int) Math.round(scale * tuple.getY());
}
@Override
public void scale(int scale) {
this.x *= scale;
this.y *= scale;
}
@Override
public void scale(double scale) {
this.x = (int) Math.round(scale * this.x);
this.y = (int) Math.round(scale * this.y);
}
@Override
public void set(Tuple2D<?> tuple) {
assert tuple != null : AssertMessages.notNullParameter();
this.x = tuple.ix();
this.y = tuple.iy();
}
@Override
public void set(int x, int y) {
this.x = x;
this.y = y;
}
@Override
public void set(double x, double y) {
this.x = (int) Math.round(x);
this.y = (int) Math.round(y);
}
@Override
public void set(int[] tuple) {
assert tuple != null : AssertMessages.notNullParameter();
assert tuple.length >= 2 : AssertMessages.tooSmallArrayParameter(tuple.length, 2);
this.x = tuple[0];
this.y = tuple[1];
}
@Override
public void set(double[] tuple) {
assert tuple != null : AssertMessages.notNullParameter();
assert tuple.length >= 2 : AssertMessages.tooSmallArrayParameter(tuple.length, 2);
this.x = (int) Math.round(tuple[0]);
this.y = (int) Math.round(tuple[1]);
}
@Pure
@Override
public double getX() {
return this.x;
}
@Pure
@Override
public int ix() {
return this.x;
}
@Override
public void setX(int x) {
this.x = x;
}
@Override
public void setX(double x) {
this.x = (int) Math.round(x);
}
@Pure
@Override
public double getY() {
return this.y;
}
@Pure
@Override
public int iy() {
return this.y;
}
@Override
public void setY(int y) {
this.y = y;
}
@Override
public void setY(double y) {
this.y = (int) Math.round(y);
}
@Override
public void sub(int x, int y) {
this.x -= x;
this.y -= y;
}
@Override
public void sub(double x, double y) {
this.x = (int) Math.round(this.x - x);
this.y = (int) Math.round(this.y - y);
}
@Override
public void subX(int x) {
this.x -= x;
}
@Override
public void subX(double x) {
this.x = (int) Math.round(this.x - x);
}
@Override
public void subY(int y) {
this.y -= y;
}
@Override
public void subY(double y) {
this.y = (int) Math.round(this.y - y);
}
@SuppressWarnings("unchecked")
@Pure
@Override
public boolean equals(Object object) {
try {
return equals((RT) object);
} catch (AssertionError e) {
throw e;
} catch (Throwable e2) {
return false;
}
}
@Pure
@Override
public int hashCode() {
int bits = 1;
bits = 31 * bits + Integer.hashCode(this.x);
bits = 31 * bits + Integer.hashCode(this.y);
return bits ^ (bits >> 31);
}
@Pure
@Override
public String toString() {
return Tuple2D.toString(this.x, this.y);
}
}