001 /*
002 * ColorTable.java
003 *
004 *
005 * The Salamander Project - 2D and 3D graphics libraries in Java
006 * Copyright (C) 2004 Mark McKay
007 *
008 * This library is free software; you can redistribute it and/or
009 * modify it under the terms of the GNU Lesser General Public
010 * License as published by the Free Software Foundation; either
011 * version 2.1 of the License, or (at your option) any later version.
012 *
013 * This library is distributed in the hope that it will be useful,
014 * but WITHOUT ANY WARRANTY; without even the implied warranty of
015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
016 * Lesser General Public License for more details.
017 *
018 * You should have received a copy of the GNU Lesser General Public
019 * License along with this library; if not, write to the Free Software
020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021 *
022 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other
023 * projects can be found at http://www.kitfox.com
024 *
025 * Created on January 26, 2004, 4:34 AM
026 */
027
028 package com.kitfox.svg.xml;
029
030 import java.awt.*;
031 import java.util.*;
032 import java.util.regex.Matcher;
033 import java.util.regex.Pattern;
034
035 /**
036 * @author Mark McKay
037 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
038 */
039 public class ColorTable
040 {
041
042 static final Map colorTable;
043 static {
044 HashMap table = new HashMap();
045
046 //We really should be interpreting the currentColor keyword as
047 // a reference to the referring node's color, but this quick hack
048 // will stop the program from crashing.
049 table.put("currentcolor", new Color(0x0));
050
051 table.put("aliceblue", new Color(0xf0f8ff));
052 table.put("antiquewhite", new Color(0xfaebd7));
053 table.put("aqua", new Color(0x00ffff));
054 table.put("aquamarine", new Color(0x7fffd4));
055 table.put("azure", new Color(0xf0ffff));
056 table.put("beige", new Color(0xf5f5dc));
057 table.put("bisque", new Color(0xffe4c4));
058 table.put("black", new Color(0x000000));
059 table.put("blanchedalmond", new Color(0xffebcd));
060 table.put("blue", new Color(0x0000ff));
061 table.put("blueviolet", new Color(0x8a2be2));
062 table.put("brown", new Color(0xa52a2a));
063 table.put("burlywood", new Color(0xdeb887));
064 table.put("cadetblue", new Color(0x5f9ea0));
065 table.put("chartreuse", new Color(0x7fff00));
066 table.put("chocolate", new Color(0xd2691e));
067 table.put("coral", new Color(0xff7f50));
068 table.put("cornflowerblue", new Color(0x6495ed));
069 table.put("cornsilk", new Color(0xfff8dc));
070 table.put("crimson", new Color(0xdc143c));
071 table.put("cyan", new Color(0x00ffff));
072 table.put("darkblue", new Color(0x00008b));
073 table.put("darkcyan", new Color(0x008b8b));
074 table.put("darkgoldenrod", new Color(0xb8860b));
075 table.put("darkgray", new Color(0xa9a9a9));
076 table.put("darkgreen", new Color(0x006400));
077 table.put("darkkhaki", new Color(0xbdb76b));
078 table.put("darkmagenta", new Color(0x8b008b));
079 table.put("darkolivegreen", new Color(0x556b2f));
080 table.put("darkorange", new Color(0xff8c00));
081 table.put("darkorchid", new Color(0x9932cc));
082 table.put("darkred", new Color(0x8b0000));
083 table.put("darksalmon", new Color(0xe9967a));
084 table.put("darkseagreen", new Color(0x8fbc8f));
085 table.put("darkslateblue", new Color(0x483d8b));
086 table.put("darkslategray", new Color(0x2f4f4f));
087 table.put("darkturquoise", new Color(0x00ced1));
088 table.put("darkviolet", new Color(0x9400d3));
089 table.put("deeppink", new Color(0xff1493));
090 table.put("deepskyblue", new Color(0x00bfff));
091 table.put("dimgray", new Color(0x696969));
092 table.put("dodgerblue", new Color(0x1e90ff));
093 table.put("feldspar", new Color(0xd19275));
094 table.put("firebrick", new Color(0xb22222));
095 table.put("floralwhite", new Color(0xfffaf0));
096 table.put("forestgreen", new Color(0x228b22));
097 table.put("fuchsia", new Color(0xff00ff));
098 table.put("gainsboro", new Color(0xdcdcdc));
099 table.put("ghostwhite", new Color(0xf8f8ff));
100 table.put("gold", new Color(0xffd700));
101 table.put("goldenrod", new Color(0xdaa520));
102 table.put("gray", new Color(0x808080));
103 table.put("green", new Color(0x008000));
104 table.put("greenyellow", new Color(0xadff2f));
105 table.put("honeydew", new Color(0xf0fff0));
106 table.put("hotpink", new Color(0xff69b4));
107 table.put("indianred", new Color(0xcd5c5c));
108 table.put("indigo", new Color(0x4b0082));
109 table.put("ivory", new Color(0xfffff0));
110 table.put("khaki", new Color(0xf0e68c));
111 table.put("lavender", new Color(0xe6e6fa));
112 table.put("lavenderblush", new Color(0xfff0f5));
113 table.put("lawngreen", new Color(0x7cfc00));
114 table.put("lemonchiffon", new Color(0xfffacd));
115 table.put("lightblue", new Color(0xadd8e6));
116 table.put("lightcoral", new Color(0xf08080));
117 table.put("lightcyan", new Color(0xe0ffff));
118 table.put("lightgoldenrodyellow", new Color(0xfafad2));
119 table.put("lightgrey", new Color(0xd3d3d3));
120 table.put("lightgreen", new Color(0x90ee90));
121 table.put("lightpink", new Color(0xffb6c1));
122 table.put("lightsalmon", new Color(0xffa07a));
123 table.put("lightseagreen", new Color(0x20b2aa));
124 table.put("lightskyblue", new Color(0x87cefa));
125 table.put("lightslateblue", new Color(0x8470ff));
126 table.put("lightslategray", new Color(0x778899));
127 table.put("lightsteelblue", new Color(0xb0c4de));
128 table.put("lightyellow", new Color(0xffffe0));
129 table.put("lime", new Color(0x00ff00));
130 table.put("limegreen", new Color(0x32cd32));
131 table.put("linen", new Color(0xfaf0e6));
132 table.put("magenta", new Color(0xff00ff));
133 table.put("maroon", new Color(0x800000));
134 table.put("mediumaquamarine", new Color(0x66cdaa));
135 table.put("mediumblue", new Color(0x0000cd));
136 table.put("mediumorchid", new Color(0xba55d3));
137 table.put("mediumpurple", new Color(0x9370d8));
138 table.put("mediumseagreen", new Color(0x3cb371));
139 table.put("mediumslateblue", new Color(0x7b68ee));
140 table.put("mediumspringgreen", new Color(0x00fa9a));
141 table.put("mediumturquoise", new Color(0x48d1cc));
142 table.put("mediumvioletred", new Color(0xc71585));
143 table.put("midnightblue", new Color(0x191970));
144 table.put("mintcream", new Color(0xf5fffa));
145 table.put("mistyrose", new Color(0xffe4e1));
146 table.put("moccasin", new Color(0xffe4b5));
147 table.put("navajowhite", new Color(0xffdead));
148 table.put("navy", new Color(0x000080));
149 table.put("oldlace", new Color(0xfdf5e6));
150 table.put("olive", new Color(0x808000));
151 table.put("olivedrab", new Color(0x6b8e23));
152 table.put("orange", new Color(0xffa500));
153 table.put("orangered", new Color(0xff4500));
154 table.put("orchid", new Color(0xda70d6));
155 table.put("palegoldenrod", new Color(0xeee8aa));
156 table.put("palegreen", new Color(0x98fb98));
157 table.put("paleturquoise", new Color(0xafeeee));
158 table.put("palevioletred", new Color(0xd87093));
159 table.put("papayawhip", new Color(0xffefd5));
160 table.put("peachpuff", new Color(0xffdab9));
161 table.put("peru", new Color(0xcd853f));
162 table.put("pink", new Color(0xffc0cb));
163 table.put("plum", new Color(0xdda0dd));
164 table.put("powderblue", new Color(0xb0e0e6));
165 table.put("purple", new Color(0x800080));
166 table.put("red", new Color(0xff0000));
167 table.put("rosybrown", new Color(0xbc8f8f));
168 table.put("royalblue", new Color(0x4169e1));
169 table.put("saddlebrown", new Color(0x8b4513));
170 table.put("salmon", new Color(0xfa8072));
171 table.put("sandybrown", new Color(0xf4a460));
172 table.put("seagreen", new Color(0x2e8b57));
173 table.put("seashell", new Color(0xfff5ee));
174 table.put("sienna", new Color(0xa0522d));
175 table.put("silver", new Color(0xc0c0c0));
176 table.put("skyblue", new Color(0x87ceeb));
177 table.put("slateblue", new Color(0x6a5acd));
178 table.put("slategray", new Color(0x708090));
179 table.put("snow", new Color(0xfffafa));
180 table.put("springgreen", new Color(0x00ff7f));
181 table.put("steelblue", new Color(0x4682b4));
182 table.put("tan", new Color(0xd2b48c));
183 table.put("teal", new Color(0x008080));
184 table.put("thistle", new Color(0xd8bfd8));
185 table.put("tomato", new Color(0xff6347));
186 table.put("turquoise", new Color(0x40e0d0));
187 table.put("violet", new Color(0xee82ee));
188 table.put("violetred", new Color(0xd02090));
189 table.put("wheat", new Color(0xf5deb3));
190 table.put("white", new Color(0xffffff));
191 table.put("whitesmoke", new Color(0xf5f5f5));
192 table.put("yellow", new Color(0xffff00));
193 table.put("yellowgreen", new Color(0x9acd32));
194
195 colorTable = Collections.unmodifiableMap(table);
196 }
197
198 static ColorTable singleton = new ColorTable();
199
200 /** Creates a new instance of ColorTable */
201 protected ColorTable() {
202 // buildColorList();
203 }
204
205 static public ColorTable instance() { return singleton; }
206
207 public Color lookupColor(String name) {
208 Object obj = colorTable.get(name.toLowerCase());
209 if (obj == null) return null;
210
211 return (Color)obj;
212 }
213
214 public static Color parseColor(String val)
215 {
216 Color retVal = null;
217
218 if (val.charAt(0) == '#')
219 {
220 String hexStrn = val.substring(1);
221
222 if (hexStrn.length() == 3)
223 {
224 hexStrn = "" + hexStrn.charAt(0) + hexStrn.charAt(0) + hexStrn.charAt(1) + hexStrn.charAt(1) + hexStrn.charAt(2) + hexStrn.charAt(2);
225 }
226 int hexVal = parseHex(hexStrn);
227
228 retVal = new Color(hexVal);
229 }
230 else
231 {
232 final String number = "\\s*(((\\d+)(\\.\\d*)?)|(\\.\\d+))(%)?\\s*";
233 final Matcher rgbMatch = Pattern.compile("rgb\\(" + number + "," + number + "," + number + "\\)", Pattern.CASE_INSENSITIVE).matcher("");
234
235 rgbMatch.reset(val);
236 if (rgbMatch.matches())
237 {
238 float rr = Float.parseFloat(rgbMatch.group(1));
239 float gg = Float.parseFloat(rgbMatch.group(7));
240 float bb = Float.parseFloat(rgbMatch.group(13));
241 rr /= "%".equals(rgbMatch.group(6)) ? 100 : 255;
242 gg /= "%".equals(rgbMatch.group(12)) ? 100 : 255;
243 bb /= "%".equals(rgbMatch.group(18)) ? 100 : 255;
244 retVal = new Color(rr, gg, bb);
245 }
246 else
247 {
248 Color lookupCol = ColorTable.instance().lookupColor(val);
249 if (lookupCol != null) retVal = lookupCol;
250 }
251 }
252
253 return retVal;
254 }
255
256 public static int parseHex(String val)
257 {
258 int retVal = 0;
259
260 for (int i = 0; i < val.length(); i++)
261 {
262 retVal <<= 4;
263
264 char ch = val.charAt(i);
265 if (ch >= '0' && ch <= '9')
266 {
267 retVal |= ch - '0';
268 }
269 else if (ch >= 'a' && ch <= 'z')
270 {
271 retVal |= ch - 'a' + 10;
272 }
273 else if (ch >= 'A' && ch <= 'Z')
274 {
275 retVal |= ch - 'A' + 10;
276 }
277 else throw new RuntimeException();
278 }
279
280 return retVal;
281 }
282
283 }