001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.math.geometry.point;
031
032/**
033 * Double-precision 2d point
034 *
035 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
036 *
037 */
038public class DoublePoint2dImpl extends AbstractPoint2d {
039        /**
040         * the x ordinate
041         */
042        public double x;
043
044        /**
045         * the y ordinate
046         */
047        public double y;
048
049        /**
050         * Default constructor - point at origin
051         */
052        public DoublePoint2dImpl() {
053        }
054
055        /**
056         * Construct with given ordinates
057         *
058         * @param x
059         *            the x ordinate
060         * @param y
061         *            the y ordinate
062         */
063        public DoublePoint2dImpl(double x, double y) {
064                this.x = x;
065                this.y = y;
066        }
067
068        /**
069         * Construct with given coordinate
070         *
071         * @param pt
072         *            the coordinate
073         */
074        public DoublePoint2dImpl(Point2d pt) {
075                this.x = pt.getOrdinate(0).doubleValue();
076                this.y = pt.getOrdinate(1).doubleValue();
077        }
078
079        @Override
080        public Point2d copy() {
081                return new DoublePoint2dImpl(x, y);
082        }
083
084        @Override
085        public Number getOrdinate(int dimension) {
086                if (dimension == 0)
087                        return x;
088                return y;
089        }
090
091        @Override
092        public void setOrdinate(int dimension, Number value) {
093                if (dimension == 0)
094                        x = value.doubleValue();
095                if (dimension == 1)
096                        y = value.doubleValue();
097        }
098
099}