/*
* $Id$
* 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.ai.RectangularShape2ai;
import org.arakhne.afc.vmutil.asserts.AssertMessages;
/** A rectangular shape with 2 integer numbers.
*
* @param <IT> is the type of the implementation of this shape.
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
* @since 13.0
*/
public abstract class AbstractRectangularShape2i<IT extends AbstractRectangularShape2i<?>>
extends AbstractShape2i<IT>
implements RectangularShape2ai<Shape2i<?>, IT, PathElement2i, Point2i, Vector2i, Rectangle2i> {
private static final long serialVersionUID = -6441506445885829836L;
private int minx;
private int miny;
private int maxx;
private int maxy;
/** Construct an empty rectangular shape.
*/
public AbstractRectangularShape2i() {
//
}
/** Constructor by copy.
* @param shape the shape to copy.
*/
public AbstractRectangularShape2i(RectangularShape2ai<?, ?, ?, ?, ?, ?> shape) {
assert shape != null : AssertMessages.notNullParameter();
this.minx = shape.getMinX();
this.miny = shape.getMinY();
this.maxx = shape.getMaxX();
this.maxy = shape.getMaxY();
}
@Override
public void setFromCorners(int x1, int y1, int x2, int y2) {
final int a;
final int b;
final int c;
final int d;
if (x1 <= x2) {
a = x1;
b = x2;
} else {
a = x2;
b = x1;
}
if (y1 <= y2) {
c = y1;
d = y2;
} else {
c = y2;
d = y1;
}
if (this.minx != a || this.maxx != b || this.miny != c || this.maxy != d) {
this.minx = a;
this.maxx = b;
this.miny = c;
this.maxy = d;
fireGeometryChange();
}
}
@Pure
@Override
public int getMinX() {
return this.minx;
}
@Override
public void setMinX(int x) {
if (this.minx != x) {
this.minx = x;
if (this.maxx < x) {
this.maxx = x;
}
fireGeometryChange();
}
}
@Pure
@Override
public int getMaxX() {
return this.maxx;
}
@Override
public void setMaxX(int x) {
if (this.maxx != x) {
this.maxx = x;
if (this.minx > x) {
this.minx = x;
}
fireGeometryChange();
}
}
@Pure
@Override
public int getMinY() {
return this.miny;
}
@Override
public void setMinY(int y) {
if (this.miny != y) {
this.miny = y;
if (this.maxy < y) {
this.maxy = y;
}
fireGeometryChange();
}
}
@Pure
@Override
public int getMaxY() {
return this.maxy;
}
@Override
public void setMaxY(int y) {
if (this.maxy != y) {
this.maxy = y;
if (this.miny > y) {
this.miny = y;
}
fireGeometryChange();
}
}
@Pure
@Override
public int hashCode() {
int bits = 1;
bits = 31 * bits + Integer.hashCode(this.minx);
bits = 31 * bits + Integer.hashCode(this.miny);
bits = 31 * bits + Integer.hashCode(this.maxx);
bits = 31 * bits + Integer.hashCode(this.maxy);
return bits ^ (bits >> 31);
}
}