jcckit.util.Point Maven / Gradle / Ivy
/*
* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details
* (http://www.gnu.org/copyleft/lesser.html).
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcckit.util;
/**
* Immutable class of a two-dimensional point with floating point
* coordinates.
*
* @author Franz-Josef Elmer
*/
public class Point {
private final double _x;
private final double _y;
/**
* Creates an instance for the specified vector. The value of the
* first/second element of vector denotes the x/y value.
* If vector is null or not long enough 0 will be used
* as default values.
*/
public Point(double[] vector) {
double x = 0;
double y = 0;
if (vector != null && vector.length > 0) {
x = vector[0];
if (vector.length > 1) {
y = vector[1];
}
}
_x = x;
_y = y;
}
/** Creates an instance for the specified coordinates. */
public Point(double x, double y) {
_x = x;
_y = y;
}
/** Returns the x-coordinate of the point. */
public double getX() {
return _x;
}
/** Returns the y-coordinate of the point. */
public double getY() {
return _y;
}
}