001/* =========================================================== 002 * Orson Charts : a 3D chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C)opyright 2013-2022, by David Gilbert. All rights reserved. 006 * 007 * https://github.com/jfree/orson-charts 008 * 009 * This program is free software: you can redistribute it and/or modify 010 * it under the terms of the GNU General Public License as published by 011 * the Free Software Foundation, either version 3 of the License, or 012 * (at your option) any later version. 013 * 014 * This program is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 017 * GNU General Public License for more details. 018 * 019 * You should have received a copy of the GNU General Public License 020 * along with this program. If not, see <http://www.gnu.org/licenses/>. 021 * 022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 023 * Other names may be trademarks of their respective owners.] 024 * 025 * If you do not wish to be bound by the terms of the GPL, an alternative 026 * commercial license can be purchased. For details, please see visit the 027 * Orson Charts home page: 028 * 029 * http://www.object-refinery.com/orsoncharts/index.html 030 * 031 */ 032 033package org.jfree.chart3d.renderer.category; 034 035import java.awt.Color; 036 037/** 038 * A color source that can supply the colors for category plots. This is the 039 * interface through which the renderer will obtain colors for each data item 040 * in the chart. A default implementation 041 * ({@link StandardCategoryColorSource}) is provided and you can customise 042 * the rendering colors by providing an alternate implementation. 043 */ 044public interface CategoryColorSource { 045 046 /** 047 * Returns the color for one data item in the chart. We return a 048 * {@code Color} rather than a paint, because some manipulations 049 * are done for the shading during the 3D rendering. 050 * 051 * @param series the series index. 052 * @param row the row index. 053 * @param column the column index. 054 * 055 * @return The color. 056 */ 057 Color getColor(int series, int row, int column); 058 059 /** 060 * Returns the color to be used in the legend to represent the specified 061 * series. 062 * 063 * @param series the series index. 064 * 065 * @return The color. 066 */ 067 Color getLegendColor(int series); 068 069 /** 070 * Restyles the source using the specified colors. Refer to the 071 * implementing class to confirm the precise behaviour (typically all 072 * existing color settings are cleared and the specified colors are 073 * installed as the new defaults). 074 * 075 * @param colors the colors. 076 * 077 * @since 1.2 078 */ 079 void style(Color... colors); 080 081} 082