001/*******************************************************************************
002 * This software is provided as a supplement to the authors' textbooks on digital
003 * image processing published by Springer-Verlag in various languages and editions.
004 * Permission to use and distribute this software is granted under the BSD 2-Clause
005 * "Simplified" License (see http://opensource.org/licenses/BSD-2-Clause).
006 * Copyright (c) 2006-2023 Wilhelm Burger, Mark J. Burge. All rights reserved.
007 * Visit https://imagingbook.com for additional details.
008 ******************************************************************************/
009package imagingbook.common.color.cie;
010
011public interface Illuminant {
012
013        /**
014         * Returns the illuminant's 3D coordinate in CIE-XYZ color space.
015         *
016         * @return the XYZ-coordinate
017         */
018        public double[] getXYZ();
019
020        /**
021         * Returns the  illuminant's 2D coordinate in 2D CIE-xy space.
022         *
023         * @return the xy-coordinate
024         */
025        public default double[] getXy() {
026                return CieUtils.XYZToxy(getXYZ());
027        }
028
029}