source-class-TCPDF_COLORS

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  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:  */
 48: class 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: 
 

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