1<?php 2//============================================================+ 3// File name : tcpdf_colors.php 4// Version : 1.0.004 5// Begin : 2002-04-09 6// Last Update : 2014-04-25 7// Author : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - info@tecnick.com 8// License : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html) 9// ------------------------------------------------------------------- 10// Copyright (C) 2002-2013 Nicola Asuni - Tecnick.com LTD 11// 12// This file is part of TCPDF software library. 13// 14// TCPDF is free software: you can redistribute it and/or modify it 15// under the terms of the GNU Lesser General Public License as 16// published by the Free Software Foundation, either version 3 of the 17// License, or (at your option) any later version. 18// 19// TCPDF is distributed in the hope that it will be useful, but 20// WITHOUT ANY WARRANTY; without even the implied warranty of 21// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 22// See the GNU Lesser General Public License for more details. 23// 24// You should have received a copy of the GNU Lesser General Public License 25// along with TCPDF. If not, see <http://www.gnu.org/licenses/>. 26// 27// See LICENSE.TXT file for more information. 28// ------------------------------------------------------------------- 29// 30// Description : Array of WEB safe colors 31// 32//============================================================+ 33 34/** 35 * @file 36 * PHP color class for TCPDF 37 * @author Nicola Asuni 38 * @package com.tecnick.tcpdf 39 */ 40 41/** 42 * @class TCPDF_COLORS 43 * PHP color class for TCPDF 44 * @package com.tecnick.tcpdf 45 * @version 1.0.004 46 * @author Nicola Asuni - info@tecnick.com 47 */ 48class TCPDF_COLORS { 49 50 /** 51 * Array of WEB safe colors 52 * @public static 53 */ 54 public static $webcolor = array ( 55 'aliceblue' => 'f0f8ff', 56 'antiquewhite' => 'faebd7', 57 'aqua' => '00ffff', 58 'aquamarine' => '7fffd4', 59 'azure' => 'f0ffff', 60 'beige' => 'f5f5dc', 61 'bisque' => 'ffe4c4', 62 'black' => '000000', 63 'blanchedalmond' => 'ffebcd', 64 'blue' => '0000ff', 65 'blueviolet' => '8a2be2', 66 'brown' => 'a52a2a', 67 'burlywood' => 'deb887', 68 'cadetblue' => '5f9ea0', 69 'chartreuse' => '7fff00', 70 'chocolate' => 'd2691e', 71 'coral' => 'ff7f50', 72 'cornflowerblue' => '6495ed', 73 'cornsilk' => 'fff8dc', 74 'crimson' => 'dc143c', 75 'cyan' => '00ffff', 76 'darkblue' => '00008b', 77 'darkcyan' => '008b8b', 78 'darkgoldenrod' => 'b8860b', 79 'dkgray' => 'a9a9a9', 80 'darkgray' => 'a9a9a9', 81 'darkgrey' => 'a9a9a9', 82 'darkgreen' => '006400', 83 'darkkhaki' => 'bdb76b', 84 'darkmagenta' => '8b008b', 85 'darkolivegreen' => '556b2f', 86 'darkorange' => 'ff8c00', 87 'darkorchid' => '9932cc', 88 'darkred' => '8b0000', 89 'darksalmon' => 'e9967a', 90 'darkseagreen' => '8fbc8f', 91 'darkslateblue' => '483d8b', 92 'darkslategray' => '2f4f4f', 93 'darkslategrey' => '2f4f4f', 94 'darkturquoise' => '00ced1', 95 'darkviolet' => '9400d3', 96 'deeppink' => 'ff1493', 97 'deepskyblue' => '00bfff', 98 'dimgray' => '696969', 99 'dimgrey' => '696969', 100 'dodgerblue' => '1e90ff', 101 'firebrick' => 'b22222', 102 'floralwhite' => 'fffaf0', 103 'forestgreen' => '228b22', 104 'fuchsia' => 'ff00ff', 105 'gainsboro' => 'dcdcdc', 106 'ghostwhite' => 'f8f8ff', 107 'gold' => 'ffd700', 108 'goldenrod' => 'daa520', 109 'gray' => '808080', 110 'grey' => '808080', 111 'green' => '008000', 112 'greenyellow' => 'adff2f', 113 'honeydew' => 'f0fff0', 114 'hotpink' => 'ff69b4', 115 'indianred' => 'cd5c5c', 116 'indigo' => '4b0082', 117 'ivory' => 'fffff0', 118 'khaki' => 'f0e68c', 119 'lavender' => 'e6e6fa', 120 'lavenderblush' => 'fff0f5', 121 'lawngreen' => '7cfc00', 122 'lemonchiffon' => 'fffacd', 123 'lightblue' => 'add8e6', 124 'lightcoral' => 'f08080', 125 'lightcyan' => 'e0ffff', 126 'lightgoldenrodyellow' => 'fafad2', 127 'ltgray' => 'd3d3d3', 128 'lightgray' => 'd3d3d3', 129 'lightgrey' => 'd3d3d3', 130 'lightgreen' => '90ee90', 131 'lightpink' => 'ffb6c1', 132 'lightsalmon' => 'ffa07a', 133 'lightseagreen' => '20b2aa', 134 'lightskyblue' => '87cefa', 135 'lightslategray' => '778899', 136 'lightslategrey' => '778899', 137 'lightsteelblue' => 'b0c4de', 138 'lightyellow' => 'ffffe0', 139 'lime' => '00ff00', 140 'limegreen' => '32cd32', 141 'linen' => 'faf0e6', 142 'magenta' => 'ff00ff', 143 'maroon' => '800000', 144 'mediumaquamarine' => '66cdaa', 145 'mediumblue' => '0000cd', 146 'mediumorchid' => 'ba55d3', 147 'mediumpurple' => '9370d8', 148 'mediumseagreen' => '3cb371', 149 'mediumslateblue' => '7b68ee', 150 'mediumspringgreen' => '00fa9a', 151 'mediumturquoise' => '48d1cc', 152 'mediumvioletred' => 'c71585', 153 'midnightblue' => '191970', 154 'mintcream' => 'f5fffa', 155 'mistyrose' => 'ffe4e1', 156 'moccasin' => 'ffe4b5', 157 'navajowhite' => 'ffdead', 158 'navy' => '000080', 159 'oldlace' => 'fdf5e6', 160 'olive' => '808000', 161 'olivedrab' => '6b8e23', 162 'orange' => 'ffa500', 163 'orangered' => 'ff4500', 164 'orchid' => 'da70d6', 165 'palegoldenrod' => 'eee8aa', 166 'palegreen' => '98fb98', 167 'paleturquoise' => 'afeeee', 168 'palevioletred' => 'd87093', 169 'papayawhip' => 'ffefd5', 170 'peachpuff' => 'ffdab9', 171 'peru' => 'cd853f', 172 'pink' => 'ffc0cb', 173 'plum' => 'dda0dd', 174 'powderblue' => 'b0e0e6', 175 'purple' => '800080', 176 'red' => 'ff0000', 177 'rosybrown' => 'bc8f8f', 178 'royalblue' => '4169e1', 179 'saddlebrown' => '8b4513', 180 'salmon' => 'fa8072', 181 'sandybrown' => 'f4a460', 182 'seagreen' => '2e8b57', 183 'seashell' => 'fff5ee', 184 'sienna' => 'a0522d', 185 'silver' => 'c0c0c0', 186 'skyblue' => '87ceeb', 187 'slateblue' => '6a5acd', 188 'slategray' => '708090', 189 'slategrey' => '708090', 190 'snow' => 'fffafa', 191 'springgreen' => '00ff7f', 192 'steelblue' => '4682b4', 193 'tan' => 'd2b48c', 194 'teal' => '008080', 195 'thistle' => 'd8bfd8', 196 'tomato' => 'ff6347', 197 'turquoise' => '40e0d0', 198 'violet' => 'ee82ee', 199 'wheat' => 'f5deb3', 200 'white' => 'ffffff', 201 'whitesmoke' => 'f5f5f5', 202 'yellow' => 'ffff00', 203 'yellowgreen' => '9acd32' 204 ); // end of web colors 205 206 /** 207 * Array of valid JavaScript color names 208 * @public static 209 */ 210 public static $jscolor = array ('transparent', 'black', 'white', 'red', 'green', 'blue', 'cyan', 'magenta', 'yellow', 'dkGray', 'gray', 'ltGray'); 211 212 /** 213 * Array of Spot colors (C,M,Y,K,name) 214 * Color keys must be in lowercase and without spaces. 215 * As long as no open standard for spot colours exists, you have to buy a colour book by one of the colour manufacturers and insert the values and names of spot colours directly. 216 * Common industry standard spot colors are: ANPA-COLOR, DIC, FOCOLTONE, GCMI, HKS, PANTONE, TOYO, TRUMATCH. 217 * @public static 218 */ 219 public static $spotcolor = array ( 220 // special registration colors 221 'none' => array( 0, 0, 0, 0, 'None'), 222 'all' => array(100, 100, 100, 100, 'All'), 223 // standard CMYK colors 224 'cyan' => array(100, 0, 0, 0, 'Cyan'), 225 'magenta' => array( 0, 100, 0, 0, 'Magenta'), 226 'yellow' => array( 0, 0, 100, 0, 'Yellow'), 227 'key' => array( 0, 0, 0, 100, 'Key'), 228 // alias 229 'white' => array( 0, 0, 0, 0, 'White'), 230 'black' => array( 0, 0, 0, 100, 'Black'), 231 // standard RGB colors 232 'red' => array( 0, 100, 100, 0, 'Red'), 233 'green' => array(100, 0, 100, 0, 'Green'), 234 'blue' => array(100, 100, 0, 0, 'Blue'), 235 // Add here standard spot colors or dynamically define them with AddSpotColor() 236 // ... 237 ); // end of spot colors 238 239 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 240 241 /** 242 * Return the Spot color array. 243 * @param $name (string) Name of the spot color. 244 * @param $spotc (array) Reference to an array of spot colors. 245 * @return (array) Spot color array or false if not defined. 246 * @since 5.9.125 (2011-10-03) 247 * @public static 248 */ 249 public static function getSpotColor($name, &$spotc) { 250 if (isset($spotc[$name])) { 251 return $spotc[$name]; 252 } 253 $color = preg_replace('/[\s]*/', '', $name); // remove extra spaces 254 $color = strtolower($color); 255 if (isset(self::$spotcolor[$color])) { 256 if (!isset($spotc[$name])) { 257 $i = (1 + count($spotc)); 258 $spotc[$name] = array('C' => self::$spotcolor[$color][0], 'M' => self::$spotcolor[$color][1], 'Y' => self::$spotcolor[$color][2], 'K' => self::$spotcolor[$color][3], 'name' => self::$spotcolor[$color][4], 'i' => $i); 259 } 260 return $spotc[self::$spotcolor[$color][4]]; 261 } 262 return false; 263 } 264 265 /** 266 * Returns an array (RGB or CMYK) from an html color name, or a six-digit (i.e. #3FE5AA), or three-digit (i.e. #7FF) hexadecimal color, or a javascript color array, or javascript color name. 267 * @param $hcolor (string) HTML color. 268 * @param $spotc (array) Reference to an array of spot colors. 269 * @param $defcol (array) Color to return in case of error. 270 * @return array RGB or CMYK color, or false in case of error. 271 * @public static 272 */ 273 public static function convertHTMLColorToDec($hcolor, &$spotc, $defcol=array('R'=>128,'G'=>128,'B'=>128)) { 274 $color = preg_replace('/[\s]*/', '', $hcolor); // remove extra spaces 275 $color = strtolower($color); 276 // check for javascript color array syntax 277 if (strpos($color, '[') !== false) { 278 if (preg_match('/[\[][\"\'](t|g|rgb|cmyk)[\"\'][\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\]]/', $color, $m) > 0) { 279 $returncolor = array(); 280 switch ($m[1]) { 281 case 'cmyk': { 282 // RGB 283 $returncolor['C'] = max(0, min(100, (floatval($m[2]) * 100))); 284 $returncolor['M'] = max(0, min(100, (floatval($m[3]) * 100))); 285 $returncolor['Y'] = max(0, min(100, (floatval($m[4]) * 100))); 286 $returncolor['K'] = max(0, min(100, (floatval($m[5]) * 100))); 287 break; 288 } 289 case 'rgb': { 290 // RGB 291 $returncolor['R'] = max(0, min(255, (floatval($m[2]) * 255))); 292 $returncolor['G'] = max(0, min(255, (floatval($m[3]) * 255))); 293 $returncolor['B'] = max(0, min(255, (floatval($m[4]) * 255))); 294 break; 295 } 296 case 'g': { 297 // grayscale 298 $returncolor['G'] = max(0, min(255, (floatval($m[2]) * 255))); 299 break; 300 } 301 case 't': 302 default: { 303 // transparent (empty array) 304 break; 305 } 306 } 307 return $returncolor; 308 } 309 } elseif ((substr($color, 0, 4) != 'cmyk') AND (substr($color, 0, 3) != 'rgb') AND (($dotpos = strpos($color, '.')) !== false)) { 310 // remove class parent (i.e.: color.red) 311 $color = substr($color, ($dotpos + 1)); 312 if ($color == 'transparent') { 313 // transparent (empty array) 314 return array(); 315 } 316 } 317 if (strlen($color) == 0) { 318 return $defcol; 319 } 320 // RGB ARRAY 321 if (substr($color, 0, 3) == 'rgb') { 322 $codes = substr($color, 4); 323 $codes = str_replace(')', '', $codes); 324 $returncolor = explode(',', $codes); 325 foreach ($returncolor as $key => $val) { 326 if (strpos($val, '%') > 0) { 327 // percentage 328 $returncolor[$key] = (255 * intval($val) / 100); 329 } else { 330 $returncolor[$key] = intval($val); 331 } 332 // normalize value 333 $returncolor[$key] = max(0, min(255, $returncolor[$key])); 334 } 335 return $returncolor; 336 } 337 // CMYK ARRAY 338 if (substr($color, 0, 4) == 'cmyk') { 339 $codes = substr($color, 5); 340 $codes = str_replace(')', '', $codes); 341 $returncolor = explode(',', $codes); 342 foreach ($returncolor as $key => $val) { 343 if (strpos($val, '%') !== false) { 344 // percentage 345 $returncolor[$key] = (100 * intval($val) / 100); 346 } else { 347 $returncolor[$key] = intval($val); 348 } 349 // normalize value 350 $returncolor[$key] = max(0, min(100, $returncolor[$key])); 351 } 352 return $returncolor; 353 } 354 if ($color[0] != '#') { 355 // COLOR NAME 356 if (isset(self::$webcolor[$color])) { 357 // web color 358 $color_code = self::$webcolor[$color]; 359 } else { 360 // spot color 361 $returncolor = self::getSpotColor($color, $spotc); 362 if ($returncolor === false) { 363 $returncolor = $defcol; 364 } 365 return $returncolor; 366 } 367 } else { 368 $color_code = substr($color, 1); 369 } 370 // HEXADECIMAL REPRESENTATION 371 switch (strlen($color_code)) { 372 case 3: { 373 // 3-digit RGB hexadecimal representation 374 $r = substr($color_code, 0, 1); 375 $g = substr($color_code, 1, 1); 376 $b = substr($color_code, 2, 1); 377 $returncolor = array(); 378 $returncolor['R'] = max(0, min(255, hexdec($r.$r))); 379 $returncolor['G'] = max(0, min(255, hexdec($g.$g))); 380 $returncolor['B'] = max(0, min(255, hexdec($b.$b))); 381 break; 382 } 383 case 6: { 384 // 6-digit RGB hexadecimal representation 385 $returncolor = array(); 386 $returncolor['R'] = max(0, min(255, hexdec(substr($color_code, 0, 2)))); 387 $returncolor['G'] = max(0, min(255, hexdec(substr($color_code, 2, 2)))); 388 $returncolor['B'] = max(0, min(255, hexdec(substr($color_code, 4, 2)))); 389 break; 390 } 391 case 8: { 392 // 8-digit CMYK hexadecimal representation 393 $returncolor = array(); 394 $returncolor['C'] = max(0, min(100, round(hexdec(substr($color_code, 0, 2)) / 2.55))); 395 $returncolor['M'] = max(0, min(100, round(hexdec(substr($color_code, 2, 2)) / 2.55))); 396 $returncolor['Y'] = max(0, min(100, round(hexdec(substr($color_code, 4, 2)) / 2.55))); 397 $returncolor['K'] = max(0, min(100, round(hexdec(substr($color_code, 6, 2)) / 2.55))); 398 break; 399 } 400 default: { 401 $returncolor = $defcol; 402 break; 403 } 404 } 405 return $returncolor; 406 } 407 408 /** 409 * Convert a color array into a string representation. 410 * @param $c (array) Array of colors. 411 * @return (string) The color array representation. 412 * @since 5.9.137 (2011-12-01) 413 * @public static 414 */ 415 public static function getColorStringFromArray($c) { 416 $c = array_values($c); 417 $color = '['; 418 switch (count($c)) { 419 case 4: { 420 // CMYK 421 $color .= sprintf('%F %F %F %F', (max(0, min(100, floatval($c[0]))) / 100), (max(0, min(100, floatval($c[1]))) / 100), (max(0, min(100, floatval($c[2]))) / 100), (max(0, min(100, floatval($c[3]))) / 100)); 422 break; 423 } 424 case 3: { 425 // RGB 426 $color .= sprintf('%F %F %F', (max(0, min(255, floatval($c[0]))) / 255), (max(0, min(255, floatval($c[1]))) / 255), (max(0, min(255, floatval($c[2]))) / 255)); 427 break; 428 } 429 case 1: { 430 // grayscale 431 $color .= sprintf('%F', (max(0, min(255, floatval($c[0]))) / 255)); 432 break; 433 } 434 } 435 $color .= ']'; 436 return $color; 437 } 438 439 /** 440 * Convert color to javascript color. 441 * @param $color (string) color name or "#RRGGBB" 442 * @protected 443 * @since 2.1.002 (2008-02-12) 444 * @public static 445 */ 446 public static function _JScolor($color) { 447 if (substr($color, 0, 1) == '#') { 448 return sprintf("['RGB',%F,%F,%F]", (hexdec(substr($color, 1, 2)) / 255), (hexdec(substr($color, 3, 2)) / 255), (hexdec(substr($color, 5, 2)) / 255)); 449 } 450 if (!in_array($color, self::$jscolor)) { 451 // default transparent color 452 $color = $jscolor[0]; 453 } 454 return 'color.'.$color; 455 } 456 457 458} // END OF TCPDF_COLORS CLASS 459 460//============================================================+ 461// END OF FILE 462//============================================================+ 463