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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML 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 General Public
* License for more details.
*
* You should have received a copy of the GNU 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 7946 $
*
*/
package net.sourceforge.plantuml.graphic;
import java.awt.Color;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class HtmlColorUtils {
private static final Map htmlNames;
private static final Set names;
static {
// Taken from http://perl.wikipedia.com/wiki/Named_colors ?
// http://www.w3schools.com/HTML/html_colornames.asp
htmlNames = new HashMap();
names = new TreeSet();
register("AliceBlue", "#F0F8FF");
register("AntiqueWhite", "#FAEBD7");
register("Aqua", "#00FFFF");
register("Aquamarine", "#7FFFD4");
register("Azure", "#F0FFFF");
register("Beige", "#F5F5DC");
register("Bisque", "#FFE4C4");
register("Black", "#000000");
register("BlanchedAlmond", "#FFEBCD");
register("Blue", "#0000FF");
register("BlueViolet", "#8A2BE2");
register("Brown", "#A52A2A");
register("BurlyWood", "#DEB887");
register("CadetBlue", "#5F9EA0");
register("Chartreuse", "#7FFF00");
register("Chocolate", "#D2691E");
register("Coral", "#FF7F50");
register("CornflowerBlue", "#6495ED");
register("Cornsilk", "#FFF8DC");
register("Crimson", "#DC143C");
register("Cyan", "#00FFFF");
register("DarkBlue", "#00008B");
register("DarkCyan", "#008B8B");
register("DarkGoldenRod", "#B8860B");
register("DarkGray", "#A9A9A9");
register("DarkGrey", "#A9A9A9");
register("DarkGreen", "#006400");
register("DarkKhaki", "#BDB76B");
register("DarkMagenta", "#8B008B");
register("DarkOliveGreen", "#556B2F");
register("Darkorange", "#FF8C00");
register("DarkOrchid", "#9932CC");
register("DarkRed", "#8B0000");
register("DarkSalmon", "#E9967A");
register("DarkSeaGreen", "#8FBC8F");
register("DarkSlateBlue", "#483D8B");
register("DarkSlateGray", "#2F4F4F");
register("DarkSlateGrey", "#2F4F4F");
register("DarkTurquoise", "#00CED1");
register("DarkViolet", "#9400D3");
register("DeepPink", "#FF1493");
register("DeepSkyBlue", "#00BFFF");
register("DimGray", "#696969");
register("DimGrey", "#696969");
register("DodgerBlue", "#1E90FF");
register("FireBrick", "#B22222");
register("FloralWhite", "#FFFAF0");
register("ForestGreen", "#228B22");
register("Fuchsia", "#FF00FF");
register("Gainsboro", "#DCDCDC");
register("GhostWhite", "#F8F8FF");
register("Gold", "#FFD700");
register("GoldenRod", "#DAA520");
register("Gray", "#808080");
register("Grey", "#808080");
register("Green", "#008000");
register("GreenYellow", "#ADFF2F");
register("HoneyDew", "#F0FFF0");
register("HotPink", "#FF69B4");
register("IndianRed", "#CD5C5C");
register("Indigo", "#4B0082");
register("Ivory", "#FFFFF0");
register("Khaki", "#F0E68C");
register("Lavender", "#E6E6FA");
register("LavenderBlush", "#FFF0F5");
register("LawnGreen", "#7CFC00");
register("LemonChiffon", "#FFFACD");
register("LightBlue", "#ADD8E6");
register("LightCoral", "#F08080");
register("LightCyan", "#E0FFFF");
register("LightGoldenRodYellow", "#FAFAD2");
register("LightGray", "#D3D3D3");
register("LightGrey", "#D3D3D3");
register("LightGreen", "#90EE90");
register("LightPink", "#FFB6C1");
register("LightSalmon", "#FFA07A");
register("LightSeaGreen", "#20B2AA");
register("LightSkyBlue", "#87CEFA");
register("LightSlateGray", "#778899");
register("LightSlateGrey", "#778899");
register("LightSteelBlue", "#B0C4DE");
register("LightYellow", "#FFFFE0");
register("Lime", "#00FF00");
register("LimeGreen", "#32CD32");
register("Linen", "#FAF0E6");
register("Magenta", "#FF00FF");
register("Maroon", "#800000");
register("MediumAquaMarine", "#66CDAA");
register("MediumBlue", "#0000CD");
register("MediumOrchid", "#BA55D3");
register("MediumPurple", "#9370D8");
register("MediumSeaGreen", "#3CB371");
register("MediumSlateBlue", "#7B68EE");
register("MediumSpringGreen", "#00FA9A");
register("MediumTurquoise", "#48D1CC");
register("MediumVioletRed", "#C71585");
register("MidnightBlue", "#191970");
register("MintCream", "#F5FFFA");
register("MistyRose", "#FFE4E1");
register("Moccasin", "#FFE4B5");
register("NavajoWhite", "#FFDEAD");
register("Navy", "#000080");
register("OldLace", "#FDF5E6");
register("Olive", "#808000");
register("OliveDrab", "#6B8E23");
register("Orange", "#FFA500");
register("OrangeRed", "#FF4500");
register("Orchid", "#DA70D6");
register("PaleGoldenRod", "#EEE8AA");
register("PaleGreen", "#98FB98");
register("PaleTurquoise", "#AFEEEE");
register("PaleVioletRed", "#D87093");
register("PapayaWhip", "#FFEFD5");
register("PeachPuff", "#FFDAB9");
register("Peru", "#CD853F");
register("Pink", "#FFC0CB");
register("Plum", "#DDA0DD");
register("PowderBlue", "#B0E0E6");
register("Purple", "#800080");
register("Red", "#FF0000");
register("RosyBrown", "#BC8F8F");
register("RoyalBlue", "#4169E1");
register("SaddleBrown", "#8B4513");
register("Salmon", "#FA8072");
register("SandyBrown", "#F4A460");
register("SeaGreen", "#2E8B57");
register("SeaShell", "#FFF5EE");
register("Sienna", "#A0522D");
register("Silver", "#C0C0C0");
register("SkyBlue", "#87CEEB");
register("SlateBlue", "#6A5ACD");
register("SlateGray", "#708090");
register("SlateGrey", "#708090");
register("Snow", "#FFFAFA");
register("SpringGreen", "#00FF7F");
register("SteelBlue", "#4682B4");
register("Tan", "#D2B48C");
register("Teal", "#008080");
register("Thistle", "#D8BFD8");
register("Tomato", "#FF6347");
register("Turquoise", "#40E0D0");
register("Violet", "#EE82EE");
register("Wheat", "#F5DEB3");
register("White", "#FFFFFF");
register("WhiteSmoke", "#F5F5F5");
register("Yellow", "#FFFF00");
register("YellowGreen", "#9ACD32");
}
private static void register(String s, String color) {
htmlNames.put(s.toLowerCase(), color);
names.add(s);
}
public static final HtmlColor BLACK = HtmlColorUtils.getColorIfValid("black");
public static final HtmlColor WHITE = HtmlColorUtils.getColorIfValid("white");
public static final HtmlColor RED = HtmlColorUtils.getColorIfValid("#FF0000");
public static final HtmlColor GREEN = HtmlColorUtils.getColorIfValid("#00FF00");
public static final HtmlColor BLUE = HtmlColorUtils.getColorIfValid("#0000FF");
public static final HtmlColor GRAY = HtmlColorUtils.getColorIfValid("#808080");
public static final HtmlColor LIGHT_GRAY = HtmlColorUtils.getColorIfValid("#C0C0C0");
public static final HtmlColor TRANSPARENT = new HtmlColorTransparent();
private static HtmlColor build(String s) {
s = removeFirstDieseAndToLowercase(s);
final Color color;
if (s.equalsIgnoreCase("transparent")) {
return TRANSPARENT;
} else if (s.matches("[0-9A-Fa-f]{6}")) {
color = new Color(Integer.parseInt(s, 16));
} else {
final String value = htmlNames.get(s);
if (value == null) {
throw new IllegalArgumentException(s);
}
color = new Color(Integer.parseInt(value.substring(1), 16));
}
return new HtmlColorSimple(color, false);
}
static private boolean isValid(String s, boolean acceptTransparent) {
s = removeFirstDieseAndToLowercase(s);
if (s.matches("[0-9A-Fa-f]{6}")) {
return true;
}
if (acceptTransparent && s.equalsIgnoreCase("transparent")) {
return true;
}
if (htmlNames.containsKey(s)) {
return true;
}
return false;
}
static public HtmlColor getColorIfValid(String s) {
return getColorIfValid(s, false);
}
static public HtmlColor getColorIfValid(String s, boolean acceptTransparent) {
if (s == null) {
return null;
}
final Matcher m = Pattern.compile("[-\\\\|/]").matcher(s);
if (m.find()) {
final char sep = m.group(0).charAt(0);
final int idx = s.indexOf(sep);
final String s1 = s.substring(0, idx);
final String s2 = s.substring(idx + 1);
if (isValid(s1, false) == false || isValid(s2, false) == false) {
return null;
}
return new HtmlColorGradient(build(s1), build(s2), sep);
// return getColorIfValid(s2);
}
if (isValid(s, acceptTransparent) == false) {
return null;
}
return build(s);
}
static private String removeFirstDieseAndToLowercase(String s) {
s = s.toLowerCase();
if (s.startsWith("#")) {
s = s.substring(1);
}
return s;
}
public static Collection names() {
return Collections.unmodifiableSet(names);
}
}