1 | /*
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2 | * SVG Salamander
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3 | * Copyright (c) 2004, Mark McKay
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4 | * All rights reserved.
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5 | *
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6 | * Redistribution and use in source and binary forms, with or
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7 | * without modification, are permitted provided that the following
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8 | * conditions are met:
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9 | *
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10 | * - Redistributions of source code must retain the above
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11 | * copyright notice, this list of conditions and the following
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12 | * disclaimer.
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13 | * - Redistributions in binary form must reproduce the above
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14 | * copyright notice, this list of conditions and the following
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15 | * disclaimer in the documentation and/or other materials
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16 | * provided with the distribution.
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17 | *
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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22 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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23 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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27 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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29 | * OF THE POSSIBILITY OF SUCH DAMAGE.
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30 | *
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31 | * Mark McKay can be contacted at mark@kitfox.com. Salamander and other
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32 | * projects can be found at http://www.kitfox.com
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33 | *
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34 | * Created on January 26, 2004, 4:34 AM
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35 | */
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36 |
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37 | package com.kitfox.svg.xml;
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38 |
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39 | import java.awt.*;
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40 | import java.util.*;
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41 | import java.util.regex.Matcher;
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42 | import java.util.regex.Pattern;
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43 |
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44 | /**
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45 | * @author Mark McKay
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46 | * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
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47 | */
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48 | public class ColorTable
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49 | {
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50 |
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51 | static final Map colorTable;
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52 | static {
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53 | HashMap table = new HashMap();
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54 |
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55 | //We really should be interpreting the currentColor keyword as
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56 | // a reference to the referring node's color, but this quick hack
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57 | // will stop the program from crashing.
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58 | table.put("currentcolor", new Color(0x0));
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59 |
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60 | table.put("aliceblue", new Color(0xf0f8ff));
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61 | table.put("antiquewhite", new Color(0xfaebd7));
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62 | table.put("aqua", new Color(0x00ffff));
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63 | table.put("aquamarine", new Color(0x7fffd4));
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64 | table.put("azure", new Color(0xf0ffff));
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65 | table.put("beige", new Color(0xf5f5dc));
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66 | table.put("bisque", new Color(0xffe4c4));
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67 | table.put("black", new Color(0x000000));
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68 | table.put("blanchedalmond", new Color(0xffebcd));
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69 | table.put("blue", new Color(0x0000ff));
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70 | table.put("blueviolet", new Color(0x8a2be2));
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71 | table.put("brown", new Color(0xa52a2a));
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72 | table.put("burlywood", new Color(0xdeb887));
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73 | table.put("cadetblue", new Color(0x5f9ea0));
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74 | table.put("chartreuse", new Color(0x7fff00));
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75 | table.put("chocolate", new Color(0xd2691e));
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76 | table.put("coral", new Color(0xff7f50));
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77 | table.put("cornflowerblue", new Color(0x6495ed));
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78 | table.put("cornsilk", new Color(0xfff8dc));
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79 | table.put("crimson", new Color(0xdc143c));
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80 | table.put("cyan", new Color(0x00ffff));
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81 | table.put("darkblue", new Color(0x00008b));
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82 | table.put("darkcyan", new Color(0x008b8b));
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83 | table.put("darkgoldenrod", new Color(0xb8860b));
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84 | table.put("darkgray", new Color(0xa9a9a9));
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85 | table.put("darkgreen", new Color(0x006400));
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86 | table.put("darkkhaki", new Color(0xbdb76b));
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87 | table.put("darkmagenta", new Color(0x8b008b));
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88 | table.put("darkolivegreen", new Color(0x556b2f));
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89 | table.put("darkorange", new Color(0xff8c00));
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90 | table.put("darkorchid", new Color(0x9932cc));
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91 | table.put("darkred", new Color(0x8b0000));
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92 | table.put("darksalmon", new Color(0xe9967a));
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93 | table.put("darkseagreen", new Color(0x8fbc8f));
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94 | table.put("darkslateblue", new Color(0x483d8b));
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95 | table.put("darkslategray", new Color(0x2f4f4f));
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96 | table.put("darkturquoise", new Color(0x00ced1));
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97 | table.put("darkviolet", new Color(0x9400d3));
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98 | table.put("deeppink", new Color(0xff1493));
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99 | table.put("deepskyblue", new Color(0x00bfff));
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100 | table.put("dimgray", new Color(0x696969));
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101 | table.put("dodgerblue", new Color(0x1e90ff));
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102 | table.put("feldspar", new Color(0xd19275));
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103 | table.put("firebrick", new Color(0xb22222));
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104 | table.put("floralwhite", new Color(0xfffaf0));
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105 | table.put("forestgreen", new Color(0x228b22));
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106 | table.put("fuchsia", new Color(0xff00ff));
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107 | table.put("gainsboro", new Color(0xdcdcdc));
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108 | table.put("ghostwhite", new Color(0xf8f8ff));
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109 | table.put("gold", new Color(0xffd700));
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110 | table.put("goldenrod", new Color(0xdaa520));
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111 | table.put("gray", new Color(0x808080));
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112 | table.put("green", new Color(0x008000));
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113 | table.put("greenyellow", new Color(0xadff2f));
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114 | table.put("honeydew", new Color(0xf0fff0));
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115 | table.put("hotpink", new Color(0xff69b4));
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116 | table.put("indianred", new Color(0xcd5c5c));
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117 | table.put("indigo", new Color(0x4b0082));
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118 | table.put("ivory", new Color(0xfffff0));
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119 | table.put("khaki", new Color(0xf0e68c));
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120 | table.put("lavender", new Color(0xe6e6fa));
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121 | table.put("lavenderblush", new Color(0xfff0f5));
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122 | table.put("lawngreen", new Color(0x7cfc00));
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123 | table.put("lemonchiffon", new Color(0xfffacd));
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124 | table.put("lightblue", new Color(0xadd8e6));
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125 | table.put("lightcoral", new Color(0xf08080));
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126 | table.put("lightcyan", new Color(0xe0ffff));
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127 | table.put("lightgoldenrodyellow", new Color(0xfafad2));
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128 | table.put("lightgrey", new Color(0xd3d3d3));
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129 | table.put("lightgreen", new Color(0x90ee90));
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130 | table.put("lightpink", new Color(0xffb6c1));
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131 | table.put("lightsalmon", new Color(0xffa07a));
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132 | table.put("lightseagreen", new Color(0x20b2aa));
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133 | table.put("lightskyblue", new Color(0x87cefa));
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134 | table.put("lightslateblue", new Color(0x8470ff));
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135 | table.put("lightslategray", new Color(0x778899));
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136 | table.put("lightsteelblue", new Color(0xb0c4de));
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137 | table.put("lightyellow", new Color(0xffffe0));
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138 | table.put("lime", new Color(0x00ff00));
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139 | table.put("limegreen", new Color(0x32cd32));
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140 | table.put("linen", new Color(0xfaf0e6));
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141 | table.put("magenta", new Color(0xff00ff));
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142 | table.put("maroon", new Color(0x800000));
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143 | table.put("mediumaquamarine", new Color(0x66cdaa));
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144 | table.put("mediumblue", new Color(0x0000cd));
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145 | table.put("mediumorchid", new Color(0xba55d3));
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146 | table.put("mediumpurple", new Color(0x9370d8));
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147 | table.put("mediumseagreen", new Color(0x3cb371));
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148 | table.put("mediumslateblue", new Color(0x7b68ee));
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149 | table.put("mediumspringgreen", new Color(0x00fa9a));
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150 | table.put("mediumturquoise", new Color(0x48d1cc));
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151 | table.put("mediumvioletred", new Color(0xc71585));
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152 | table.put("midnightblue", new Color(0x191970));
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153 | table.put("mintcream", new Color(0xf5fffa));
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154 | table.put("mistyrose", new Color(0xffe4e1));
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155 | table.put("moccasin", new Color(0xffe4b5));
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156 | table.put("navajowhite", new Color(0xffdead));
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157 | table.put("navy", new Color(0x000080));
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158 | table.put("oldlace", new Color(0xfdf5e6));
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159 | table.put("olive", new Color(0x808000));
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160 | table.put("olivedrab", new Color(0x6b8e23));
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161 | table.put("orange", new Color(0xffa500));
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162 | table.put("orangered", new Color(0xff4500));
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163 | table.put("orchid", new Color(0xda70d6));
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164 | table.put("palegoldenrod", new Color(0xeee8aa));
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165 | table.put("palegreen", new Color(0x98fb98));
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166 | table.put("paleturquoise", new Color(0xafeeee));
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167 | table.put("palevioletred", new Color(0xd87093));
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168 | table.put("papayawhip", new Color(0xffefd5));
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169 | table.put("peachpuff", new Color(0xffdab9));
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170 | table.put("peru", new Color(0xcd853f));
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171 | table.put("pink", new Color(0xffc0cb));
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172 | table.put("plum", new Color(0xdda0dd));
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173 | table.put("powderblue", new Color(0xb0e0e6));
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174 | table.put("purple", new Color(0x800080));
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175 | table.put("red", new Color(0xff0000));
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176 | table.put("rosybrown", new Color(0xbc8f8f));
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177 | table.put("royalblue", new Color(0x4169e1));
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178 | table.put("saddlebrown", new Color(0x8b4513));
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179 | table.put("salmon", new Color(0xfa8072));
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180 | table.put("sandybrown", new Color(0xf4a460));
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181 | table.put("seagreen", new Color(0x2e8b57));
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182 | table.put("seashell", new Color(0xfff5ee));
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183 | table.put("sienna", new Color(0xa0522d));
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184 | table.put("silver", new Color(0xc0c0c0));
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185 | table.put("skyblue", new Color(0x87ceeb));
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186 | table.put("slateblue", new Color(0x6a5acd));
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187 | table.put("slategray", new Color(0x708090));
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188 | table.put("snow", new Color(0xfffafa));
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189 | table.put("springgreen", new Color(0x00ff7f));
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190 | table.put("steelblue", new Color(0x4682b4));
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191 | table.put("tan", new Color(0xd2b48c));
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192 | table.put("teal", new Color(0x008080));
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193 | table.put("thistle", new Color(0xd8bfd8));
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194 | table.put("tomato", new Color(0xff6347));
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195 | table.put("turquoise", new Color(0x40e0d0));
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196 | table.put("violet", new Color(0xee82ee));
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197 | table.put("violetred", new Color(0xd02090));
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198 | table.put("wheat", new Color(0xf5deb3));
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199 | table.put("white", new Color(0xffffff));
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200 | table.put("whitesmoke", new Color(0xf5f5f5));
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201 | table.put("yellow", new Color(0xffff00));
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202 | table.put("yellowgreen", new Color(0x9acd32));
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203 |
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204 | colorTable = Collections.unmodifiableMap(table);
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205 | }
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206 |
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207 | static ColorTable singleton = new ColorTable();
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208 |
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209 | /** Creates a new instance of ColorTable */
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210 | protected ColorTable() {
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211 | // buildColorList();
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212 | }
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213 |
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214 | static public ColorTable instance() { return singleton; }
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215 |
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216 | public Color lookupColor(String name) {
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217 | Object obj = colorTable.get(name.toLowerCase());
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218 | if (obj == null) return null;
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219 |
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220 | return (Color)obj;
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221 | }
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222 |
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223 | public static Color parseColor(String val)
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224 | {
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225 | Color retVal = null;
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226 |
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227 | if ("".equals(val))
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228 | {
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229 | return null;
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230 | }
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231 |
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232 | if (val.charAt(0) == '#')
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233 | {
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234 | String hexStrn = val.substring(1);
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235 |
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236 | if (hexStrn.length() == 3)
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237 | {
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238 | hexStrn = "" + hexStrn.charAt(0) + hexStrn.charAt(0) + hexStrn.charAt(1) + hexStrn.charAt(1) + hexStrn.charAt(2) + hexStrn.charAt(2);
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239 | }
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240 | int hexVal = parseHex(hexStrn);
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241 |
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242 | retVal = new Color(hexVal);
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243 | }
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244 | else
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245 | {
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246 | final String number = "\\s*(((\\d+)(\\.\\d*)?)|(\\.\\d+))(%)?\\s*";
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247 | final Matcher rgbMatch = Pattern.compile("rgb\\(" + number + "," + number + "," + number + "\\)", Pattern.CASE_INSENSITIVE).matcher("");
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248 |
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249 | rgbMatch.reset(val);
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250 | if (rgbMatch.matches())
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251 | {
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252 | float rr = Float.parseFloat(rgbMatch.group(1));
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253 | float gg = Float.parseFloat(rgbMatch.group(7));
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254 | float bb = Float.parseFloat(rgbMatch.group(13));
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255 | rr /= "%".equals(rgbMatch.group(6)) ? 100 : 255;
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256 | gg /= "%".equals(rgbMatch.group(12)) ? 100 : 255;
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257 | bb /= "%".equals(rgbMatch.group(18)) ? 100 : 255;
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258 | retVal = new Color(rr, gg, bb);
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259 | }
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260 | else
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261 | {
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262 | Color lookupCol = ColorTable.instance().lookupColor(val);
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263 | if (lookupCol != null) retVal = lookupCol;
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264 | }
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265 | }
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266 |
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267 | return retVal;
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268 | }
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269 |
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270 | public static int parseHex(String val)
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271 | {
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272 | int retVal = 0;
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273 |
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274 | for (int i = 0; i < val.length(); i++)
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275 | {
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276 | retVal <<= 4;
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277 |
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278 | char ch = val.charAt(i);
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279 | if (ch >= '0' && ch <= '9')
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280 | {
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281 | retVal |= ch - '0';
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282 | }
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283 | else if (ch >= 'a' && ch <= 'z')
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284 | {
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285 | retVal |= ch - 'a' + 10;
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286 | }
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287 | else if (ch >= 'A' && ch <= 'Z')
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288 | {
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289 | retVal |= ch - 'A' + 10;
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290 | }
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291 | else throw new RuntimeException();
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292 | }
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293 |
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294 | return retVal;
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295 | }
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296 |
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297 | }
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