001/* 002 * SVG Salamander 003 * Copyright (c) 2004, Mark McKay 004 * All rights reserved. 005 * 006 * Redistribution and use in source and binary forms, with or 007 * without modification, are permitted provided that the following 008 * conditions are met: 009 * 010 * - Redistributions of source code must retain the above 011 * copyright notice, this list of conditions and the following 012 * disclaimer. 013 * - Redistributions in binary form must reproduce the above 014 * copyright notice, this list of conditions and the following 015 * disclaimer in the documentation and/or other materials 016 * provided with the distribution. 017 * 018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 019 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 020 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 021 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 022 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 025 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 026 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 027 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 028 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 029 * OF THE POSSIBILITY OF SUCH DAMAGE. 030 * 031 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other 032 * projects can be found at http://www.kitfox.com 033 * 034 * Created on January 26, 2004, 4:34 AM 035 */ 036 037package com.kitfox.svg.xml; 038 039import java.awt.*; 040import java.util.*; 041import java.util.regex.Matcher; 042import java.util.regex.Pattern; 043 044/** 045 * @author Mark McKay 046 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 047 */ 048public class ColorTable 049{ 050 051 static final Map colorTable; 052 static { 053 HashMap table = new HashMap(); 054 055 //We really should be interpreting the currentColor keyword as 056 // a reference to the referring node's color, but this quick hack 057 // will stop the program from crashing. 058 table.put("currentcolor", new Color(0x0)); 059 060 table.put("aliceblue", new Color(0xf0f8ff)); 061 table.put("antiquewhite", new Color(0xfaebd7)); 062 table.put("aqua", new Color(0x00ffff)); 063 table.put("aquamarine", new Color(0x7fffd4)); 064 table.put("azure", new Color(0xf0ffff)); 065 table.put("beige", new Color(0xf5f5dc)); 066 table.put("bisque", new Color(0xffe4c4)); 067 table.put("black", new Color(0x000000)); 068 table.put("blanchedalmond", new Color(0xffebcd)); 069 table.put("blue", new Color(0x0000ff)); 070 table.put("blueviolet", new Color(0x8a2be2)); 071 table.put("brown", new Color(0xa52a2a)); 072 table.put("burlywood", new Color(0xdeb887)); 073 table.put("cadetblue", new Color(0x5f9ea0)); 074 table.put("chartreuse", new Color(0x7fff00)); 075 table.put("chocolate", new Color(0xd2691e)); 076 table.put("coral", new Color(0xff7f50)); 077 table.put("cornflowerblue", new Color(0x6495ed)); 078 table.put("cornsilk", new Color(0xfff8dc)); 079 table.put("crimson", new Color(0xdc143c)); 080 table.put("cyan", new Color(0x00ffff)); 081 table.put("darkblue", new Color(0x00008b)); 082 table.put("darkcyan", new Color(0x008b8b)); 083 table.put("darkgoldenrod", new Color(0xb8860b)); 084 table.put("darkgray", new Color(0xa9a9a9)); 085 table.put("darkgreen", new Color(0x006400)); 086 table.put("darkkhaki", new Color(0xbdb76b)); 087 table.put("darkmagenta", new Color(0x8b008b)); 088 table.put("darkolivegreen", new Color(0x556b2f)); 089 table.put("darkorange", new Color(0xff8c00)); 090 table.put("darkorchid", new Color(0x9932cc)); 091 table.put("darkred", new Color(0x8b0000)); 092 table.put("darksalmon", new Color(0xe9967a)); 093 table.put("darkseagreen", new Color(0x8fbc8f)); 094 table.put("darkslateblue", new Color(0x483d8b)); 095 table.put("darkslategray", new Color(0x2f4f4f)); 096 table.put("darkturquoise", new Color(0x00ced1)); 097 table.put("darkviolet", new Color(0x9400d3)); 098 table.put("deeppink", new Color(0xff1493)); 099 table.put("deepskyblue", new Color(0x00bfff)); 100 table.put("dimgray", new Color(0x696969)); 101 table.put("dodgerblue", new Color(0x1e90ff)); 102 table.put("feldspar", new Color(0xd19275)); 103 table.put("firebrick", new Color(0xb22222)); 104 table.put("floralwhite", new Color(0xfffaf0)); 105 table.put("forestgreen", new Color(0x228b22)); 106 table.put("fuchsia", new Color(0xff00ff)); 107 table.put("gainsboro", new Color(0xdcdcdc)); 108 table.put("ghostwhite", new Color(0xf8f8ff)); 109 table.put("gold", new Color(0xffd700)); 110 table.put("goldenrod", new Color(0xdaa520)); 111 table.put("gray", new Color(0x808080)); 112 table.put("green", new Color(0x008000)); 113 table.put("greenyellow", new Color(0xadff2f)); 114 table.put("honeydew", new Color(0xf0fff0)); 115 table.put("hotpink", new Color(0xff69b4)); 116 table.put("indianred", new Color(0xcd5c5c)); 117 table.put("indigo", new Color(0x4b0082)); 118 table.put("ivory", new Color(0xfffff0)); 119 table.put("khaki", new Color(0xf0e68c)); 120 table.put("lavender", new Color(0xe6e6fa)); 121 table.put("lavenderblush", new Color(0xfff0f5)); 122 table.put("lawngreen", new Color(0x7cfc00)); 123 table.put("lemonchiffon", new Color(0xfffacd)); 124 table.put("lightblue", new Color(0xadd8e6)); 125 table.put("lightcoral", new Color(0xf08080)); 126 table.put("lightcyan", new Color(0xe0ffff)); 127 table.put("lightgoldenrodyellow", new Color(0xfafad2)); 128 table.put("lightgrey", new Color(0xd3d3d3)); 129 table.put("lightgreen", new Color(0x90ee90)); 130 table.put("lightpink", new Color(0xffb6c1)); 131 table.put("lightsalmon", new Color(0xffa07a)); 132 table.put("lightseagreen", new Color(0x20b2aa)); 133 table.put("lightskyblue", new Color(0x87cefa)); 134 table.put("lightslateblue", new Color(0x8470ff)); 135 table.put("lightslategray", new Color(0x778899)); 136 table.put("lightsteelblue", new Color(0xb0c4de)); 137 table.put("lightyellow", new Color(0xffffe0)); 138 table.put("lime", new Color(0x00ff00)); 139 table.put("limegreen", new Color(0x32cd32)); 140 table.put("linen", new Color(0xfaf0e6)); 141 table.put("magenta", new Color(0xff00ff)); 142 table.put("maroon", new Color(0x800000)); 143 table.put("mediumaquamarine", new Color(0x66cdaa)); 144 table.put("mediumblue", new Color(0x0000cd)); 145 table.put("mediumorchid", new Color(0xba55d3)); 146 table.put("mediumpurple", new Color(0x9370d8)); 147 table.put("mediumseagreen", new Color(0x3cb371)); 148 table.put("mediumslateblue", new Color(0x7b68ee)); 149 table.put("mediumspringgreen", new Color(0x00fa9a)); 150 table.put("mediumturquoise", new Color(0x48d1cc)); 151 table.put("mediumvioletred", new Color(0xc71585)); 152 table.put("midnightblue", new Color(0x191970)); 153 table.put("mintcream", new Color(0xf5fffa)); 154 table.put("mistyrose", new Color(0xffe4e1)); 155 table.put("moccasin", new Color(0xffe4b5)); 156 table.put("navajowhite", new Color(0xffdead)); 157 table.put("navy", new Color(0x000080)); 158 table.put("oldlace", new Color(0xfdf5e6)); 159 table.put("olive", new Color(0x808000)); 160 table.put("olivedrab", new Color(0x6b8e23)); 161 table.put("orange", new Color(0xffa500)); 162 table.put("orangered", new Color(0xff4500)); 163 table.put("orchid", new Color(0xda70d6)); 164 table.put("palegoldenrod", new Color(0xeee8aa)); 165 table.put("palegreen", new Color(0x98fb98)); 166 table.put("paleturquoise", new Color(0xafeeee)); 167 table.put("palevioletred", new Color(0xd87093)); 168 table.put("papayawhip", new Color(0xffefd5)); 169 table.put("peachpuff", new Color(0xffdab9)); 170 table.put("peru", new Color(0xcd853f)); 171 table.put("pink", new Color(0xffc0cb)); 172 table.put("plum", new Color(0xdda0dd)); 173 table.put("powderblue", new Color(0xb0e0e6)); 174 table.put("purple", new Color(0x800080)); 175 table.put("red", new Color(0xff0000)); 176 table.put("rosybrown", new Color(0xbc8f8f)); 177 table.put("royalblue", new Color(0x4169e1)); 178 table.put("saddlebrown", new Color(0x8b4513)); 179 table.put("salmon", new Color(0xfa8072)); 180 table.put("sandybrown", new Color(0xf4a460)); 181 table.put("seagreen", new Color(0x2e8b57)); 182 table.put("seashell", new Color(0xfff5ee)); 183 table.put("sienna", new Color(0xa0522d)); 184 table.put("silver", new Color(0xc0c0c0)); 185 table.put("skyblue", new Color(0x87ceeb)); 186 table.put("slateblue", new Color(0x6a5acd)); 187 table.put("slategray", new Color(0x708090)); 188 table.put("snow", new Color(0xfffafa)); 189 table.put("springgreen", new Color(0x00ff7f)); 190 table.put("steelblue", new Color(0x4682b4)); 191 table.put("tan", new Color(0xd2b48c)); 192 table.put("teal", new Color(0x008080)); 193 table.put("thistle", new Color(0xd8bfd8)); 194 table.put("tomato", new Color(0xff6347)); 195 table.put("turquoise", new Color(0x40e0d0)); 196 table.put("violet", new Color(0xee82ee)); 197 table.put("violetred", new Color(0xd02090)); 198 table.put("wheat", new Color(0xf5deb3)); 199 table.put("white", new Color(0xffffff)); 200 table.put("whitesmoke", new Color(0xf5f5f5)); 201 table.put("yellow", new Color(0xffff00)); 202 table.put("yellowgreen", new Color(0x9acd32)); 203 204 colorTable = Collections.unmodifiableMap(table); 205 } 206 207 static ColorTable singleton = new ColorTable(); 208 209 /** Creates a new instance of ColorTable */ 210 protected ColorTable() { 211// buildColorList(); 212 } 213 214 static public ColorTable instance() { return singleton; } 215 216 public Color lookupColor(String name) { 217 Object obj = colorTable.get(name.toLowerCase()); 218 if (obj == null) return null; 219 220 return (Color)obj; 221 } 222 223 public static Color parseColor(String val) 224 { 225 Color retVal = null; 226 227 if ("".equals(val)) 228 { 229 return null; 230 } 231 232 if (val.charAt(0) == '#') 233 { 234 String hexStrn = val.substring(1); 235 236 if (hexStrn.length() == 3) 237 { 238 hexStrn = "" + hexStrn.charAt(0) + hexStrn.charAt(0) + hexStrn.charAt(1) + hexStrn.charAt(1) + hexStrn.charAt(2) + hexStrn.charAt(2); 239 } 240 int hexVal = parseHex(hexStrn); 241 242 retVal = new Color(hexVal); 243 } 244 else 245 { 246 final String number = "\\s*(((\\d+)(\\.\\d*)?)|(\\.\\d+))(%)?\\s*"; 247 final Matcher rgbMatch = Pattern.compile("rgb\\(" + number + "," + number + "," + number + "\\)", Pattern.CASE_INSENSITIVE).matcher(""); 248 249 rgbMatch.reset(val); 250 if (rgbMatch.matches()) 251 { 252 float rr = Float.parseFloat(rgbMatch.group(1)); 253 float gg = Float.parseFloat(rgbMatch.group(7)); 254 float bb = Float.parseFloat(rgbMatch.group(13)); 255 rr /= "%".equals(rgbMatch.group(6)) ? 100 : 255; 256 gg /= "%".equals(rgbMatch.group(12)) ? 100 : 255; 257 bb /= "%".equals(rgbMatch.group(18)) ? 100 : 255; 258 retVal = new Color(rr, gg, bb); 259 } 260 else 261 { 262 Color lookupCol = ColorTable.instance().lookupColor(val); 263 if (lookupCol != null) retVal = lookupCol; 264 } 265 } 266 267 return retVal; 268 } 269 270 public static int parseHex(String val) 271 { 272 int retVal = 0; 273 274 for (int i = 0; i < val.length(); i++) 275 { 276 retVal <<= 4; 277 278 char ch = val.charAt(i); 279 if (ch >= '0' && ch <= '9') 280 { 281 retVal |= ch - '0'; 282 } 283 else if (ch >= 'a' && ch <= 'z') 284 { 285 retVal |= ch - 'a' + 10; 286 } 287 else if (ch >= 'A' && ch <= 'Z') 288 { 289 retVal |= ch - 'A' + 10; 290 } 291 else throw new RuntimeException(); 292 } 293 294 return retVal; 295 } 296 297}