Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * 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 library 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. * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * --------------- * ChartColor.java * --------------- * (C) Copyright 2003-2011, by Cameron Riley and Contributors. * * Original Author: Cameron Riley; * Contributor(s): David Gilbert (for Object Refinery Limited); * * Changes * ------- * 23-Jan-2003 : Version 1, contributed by Cameron Riley (DG); * 25-Nov-2004 : Changed first 7 colors to softer shades (DG); * 03-Nov-2005 : Removed orange color, too close to yellow - see bug * report 1328408 (DG); * ------------- JFREECHART 1.0.x --------------------------------------------- * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG); * */ package org.jfree.chart; import java.awt.Color; import java.awt.Paint; /** * Class to extend the number of Colors available to the charts. This * extends the java.awt.Color object and extends the number of final * Colors publically accessible. */ public class ChartColor extends Color { /** A very dark red color. */ public static final Color VERY_DARK_RED = new Color(0x80, 0x00, 0x00); /** A dark red color. */ public static final Color DARK_RED = new Color(0xc0, 0x00, 0x00); /** A light red color. */ public static final Color LIGHT_RED = new Color(0xFF, 0x40, 0x40); /** A very light red color. */ public static final Color VERY_LIGHT_RED = new Color(0xFF, 0x80, 0x80); /** A very dark yellow color. */ public static final Color VERY_DARK_YELLOW = new Color(0x80, 0x80, 0x00); /** A dark yellow color. */ public static final Color DARK_YELLOW = new Color(0xC0, 0xC0, 0x00); /** A light yellow color. */ public static final Color LIGHT_YELLOW = new Color(0xFF, 0xFF, 0x40); /** A very light yellow color. */ public static final Color VERY_LIGHT_YELLOW = new Color(0xFF, 0xFF, 0x80); /** A very dark green color. */ public static final Color VERY_DARK_GREEN = new Color(0x00, 0x80, 0x00); /** A dark green color. */ public static final Color DARK_GREEN = new Color(0x00, 0xC0, 0x00); /** A light green color. */ public static final Color LIGHT_GREEN = new Color(0x40, 0xFF, 0x40); /** A very light green color. */ public static final Color VERY_LIGHT_GREEN = new Color(0x80, 0xFF, 0x80); /** A very dark cyan color. */ public static final Color VERY_DARK_CYAN = new Color(0x00, 0x80, 0x80); /** A dark cyan color. */ public static final Color DARK_CYAN = new Color(0x00, 0xC0, 0xC0); /** A light cyan color. */ public static final Color LIGHT_CYAN = new Color(0x40, 0xFF, 0xFF); /** Aa very light cyan color. */ public static final Color VERY_LIGHT_CYAN = new Color(0x80, 0xFF, 0xFF); /** A very dark blue color. */ public static final Color VERY_DARK_BLUE = new Color(0x00, 0x00, 0x80); /** A dark blue color. */ public static final Color DARK_BLUE = new Color(0x00, 0x00, 0xC0); /** A light blue color. */ public static final Color LIGHT_BLUE = new Color(0x40, 0x40, 0xFF); /** A very light blue color. */ public static final Color VERY_LIGHT_BLUE = new Color(0x80, 0x80, 0xFF); /** A very dark magenta/purple color. */ public static final Color VERY_DARK_MAGENTA = new Color(0x80, 0x00, 0x80); /** A dark magenta color. */ public static final Color DARK_MAGENTA = new Color(0xC0, 0x00, 0xC0); /** A light magenta color. */ public static final Color LIGHT_MAGENTA = new Color(0xFF, 0x40, 0xFF); /** A very light magenta color. */ public static final Color VERY_LIGHT_MAGENTA = new Color(0xFF, 0x80, 0xFF); /** * Creates a Color with an opaque sRGB with red, green and blue values in * range 0-255. * * @param r the red component in range 0x00-0xFF. * @param g the green component in range 0x00-0xFF. * @param b the blue component in range 0x00-0xFF. */ public ChartColor(int r, int g, int b) { super(r, g, b); } /** * Convenience method to return an array of <code>Paint</code> objects that * represent the pre-defined colors in the <code>Color</code> and * <code>ChartColor</code> objects. * * @return An array of objects with the <code>Paint</code> interface. */ public static Paint[] createDefaultPaintArray() { return new Paint[] { new Color(0xFF, 0x55, 0x55), new Color(0x55, 0x55, 0xFF), new Color(0x55, 0xFF, 0x55), new Color(0xFF, 0xFF, 0x55), new Color(0xFF, 0x55, 0xFF), new Color(0x55, 0xFF, 0xFF), Color.pink, Color.gray, ChartColor.DARK_RED, ChartColor.DARK_BLUE, ChartColor.DARK_GREEN, ChartColor.DARK_YELLOW, ChartColor.DARK_MAGENTA, ChartColor.DARK_CYAN, Color.darkGray, ChartColor.LIGHT_RED, ChartColor.LIGHT_BLUE, ChartColor.LIGHT_GREEN, ChartColor.LIGHT_YELLOW, ChartColor.LIGHT_MAGENTA, ChartColor.LIGHT_CYAN, Color.lightGray, ChartColor.VERY_DARK_RED, ChartColor.VERY_DARK_BLUE, ChartColor.VERY_DARK_GREEN, ChartColor.VERY_DARK_YELLOW, ChartColor.VERY_DARK_MAGENTA, ChartColor.VERY_DARK_CYAN, ChartColor.VERY_LIGHT_RED, ChartColor.VERY_LIGHT_BLUE, ChartColor.VERY_LIGHT_GREEN, ChartColor.VERY_LIGHT_YELLOW, ChartColor.VERY_LIGHT_MAGENTA, ChartColor.VERY_LIGHT_CYAN }; } }