001/* 002 * BioJava development code 003 * 004 * This code may be freely distributed and modified under the 005 * terms of the GNU Lesser General Public Licence. This should 006 * be distributed with the code. If you do not have a copy, 007 * see: 008 * 009 * http://www.gnu.org/copyleft/lesser.html 010 * 011 * Copyright for this code is held jointly by the individual 012 * authors. These should be listed in @author doc comments. 013 * 014 * For more information on the BioJava project and its aims, 015 * or to join the biojava-l mailing list, visit the home page 016 * at: 017 * 018 * http://www.biojava.org/ 019 * 020 * Created on Aug 3, 2007 021 */ 022package org.biojava.nbio.structure.gui.util.color; 023 024import java.awt.*; 025 026/** 027 * @author Spencer Bliven 028 * 029 */ 030public interface ColorInterpolator { 031 /** 032 * Interpolates to a color between a and b 033 * @param a First color 034 * @param b Second color 035 * @param mixing Mixing coefficient; the fraction of a in the result. 036 * @return The color between a and b 037 * @throws IllegalArgumentException if mixing is not between 0 and 1 038 */ 039 public Color interpolate(Color a, Color b, float mixing); 040}