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1665 raphael 1
<?php
2
//============================================================+
3
// File name   : tcpdf_colors.php
4
// Version     : 1.0.000
5
// Begin       : 2002-04-09
6
// Last Update : 2013-03-25
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 1.0.000
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
		// the following are just examples, fill the array with your own values
221
		'mytcpdfblack' => array(0, 0, 0, 100, 'My TCPDF Black'),
222
		'mytcpdfred' => array(30, 100, 90, 10, 'My TCPDF Red'),
223
		'mytcpdfgreen' => array(100, 30, 100, 0, 'My TCPDF Green'),
224
		'mytcpdfblue' => array(100, 60, 10, 5, 'My TCPDF Blue'),
225
		'mytcpdfyellow' => array(0, 20, 100, 0, 'My TCPDF Yellow'),
226
		// ...
227
	); // end of spot colors
228
 
229
	// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
230
 
231
	/**
232
	 * Return the Spot color array.
233
	 * @param $name (string) Name of the spot color.
234
	 * @param $spotc (array) Reference to an array of spot colors.
235
	 * @return (array) Spot color array or false if not defined.
236
	 * @since 5.9.125 (2011-10-03)
237
	 * @public static
238
	 */
239
	public static function getSpotColor($name, &$spotc) {
240
		if (isset($spotc[$name])) {
241
			return $spotc[$name];
242
		}
243
		$color = preg_replace('/[\s]*/', '', $name); // remove extra spaces
244
		$color = strtolower($color);
245
		if (isset(self::$spotcolor[$color])) {
246
			if (!isset($spotc[$name])) {
247
				$i = (1 + count($spotc));
248
				$spotc[$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);
249
			}
250
			return $spotc[self::$spotcolor[$color][4]];
251
		}
252
		return false;
253
	}
254
 
255
	/**
256
	 * 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.
257
	 * @param $hcolor (string) HTML color.
258
	 * @param $spotc (array) Reference to an array of spot colors.
259
	 * @param $defcol (array) Color to return in case of error.
260
	 * @return array RGB or CMYK color, or false in case of error.
261
	 * @public static
262
	 */
263
	public static function convertHTMLColorToDec($hcolor, &$spotc, $defcol=array('R'=>128,'G'=>128,'B'=>128)) {
264
		$color = preg_replace('/[\s]*/', '', $hcolor); // remove extra spaces
265
		$color = strtolower($color);
266
		// check for javascript color array syntax
267
		if (strpos($color, '[') !== false) {
268
			if (preg_match('/[\[][\"\'](t|g|rgb|cmyk)[\"\'][\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\,]?([0-9\.]*)[\]]/', $color, $m) > 0) {
269
				$returncolor = array();
270
				switch ($m[1]) {
271
					case 'cmyk': {
272
						// RGB
273
						$returncolor['C'] = max(0, min(100, (floatval($m[2]) * 100)));
274
						$returncolor['M'] = max(0, min(100, (floatval($m[3]) * 100)));
275
						$returncolor['Y'] = max(0, min(100, (floatval($m[4]) * 100)));
276
						$returncolor['K'] = max(0, min(100, (floatval($m[5]) * 100)));
277
						break;
278
					}
279
					case 'rgb': {
280
						// RGB
281
						$returncolor['R'] = max(0, min(255, (floatval($m[2]) * 255)));
282
						$returncolor['G'] = max(0, min(255, (floatval($m[3]) * 255)));
283
						$returncolor['B'] = max(0, min(255, (floatval($m[4]) * 255)));
284
						break;
285
					}
286
					case 'g': {
287
						// grayscale
288
						$returncolor['G'] = max(0, min(255, (floatval($m[2]) * 255)));
289
						break;
290
					}
291
					case 't':
292
					default: {
293
						// transparent (empty array)
294
						break;
295
					}
296
				}
297
				return $returncolor;
298
			}
299
		} elseif (($dotpos = strpos($color, '.')) !== false) {
300
			// remove class parent (i.e.: color.red)
301
			$color = substr($color, ($dotpos + 1));
302
			if ($color == 'transparent') {
303
				// transparent (empty array)
304
				return array();
305
			}
306
		}
307
		if (strlen($color) == 0) {
308
			return $defcol;
309
		}
310
		// RGB ARRAY
311
		if (substr($color, 0, 3) == 'rgb') {
312
			$codes = substr($color, 4);
313
			$codes = str_replace(')', '', $codes);
314
			$returncolor = explode(',', $codes);
315
			foreach ($returncolor as $key => $val) {
316
				if (strpos($val, '%') > 0) {
317
					// percentage
318
					$returncolor[$key] = (255 * intval($val) / 100);
319
				} else {
320
					$returncolor[$key] = intval($val);
321
				}
322
				// normalize value
323
				$returncolor[$key] = max(0, min(255, $returncolor[$key]));
324
			}
325
			return $returncolor;
326
		}
327
		// CMYK ARRAY
328
		if (substr($color, 0, 4) == 'cmyk') {
329
			$codes = substr($color, 5);
330
			$codes = str_replace(')', '', $codes);
331
			$returncolor = explode(',', $codes);
332
			foreach ($returncolor as $key => $val) {
333
				if (strpos($val, '%') !== false) {
334
					// percentage
335
					$returncolor[$key] = (100 * intval($val) / 100);
336
				} else {
337
					$returncolor[$key] = intval($val);
338
				}
339
				// normalize value
340
				$returncolor[$key] = max(0, min(100, $returncolor[$key]));
341
			}
342
			return $returncolor;
343
		}
344
		if ($color{0} != '#') {
345
			// COLOR NAME
346
			if (isset(self::$webcolor[$color])) {
347
				// web color
348
				$color_code = self::$webcolor[$color];
349
			} else {
350
				// spot color
351
				$returncolor = self::getSpotColor($color, $spotc);
352
				if ($returncolor === false) {
353
					$returncolor = $defcol;
354
				}
355
				return $returncolor;
356
			}
357
		} else {
358
			$color_code = substr($color, 1);
359
		}
360
		// HEXADECIMAL REPRESENTATION
361
		switch (strlen($color_code)) {
362
			case 3: {
363
				// 3-digit RGB hexadecimal representation
364
				$r = substr($color_code, 0, 1);
365
				$g = substr($color_code, 1, 1);
366
				$b = substr($color_code, 2, 1);
367
				$returncolor = array();
368
				$returncolor['R'] = max(0, min(255, hexdec($r.$r)));
369
				$returncolor['G'] = max(0, min(255, hexdec($g.$g)));
370
				$returncolor['B'] = max(0, min(255, hexdec($b.$b)));
371
				break;
372
			}
373
			case 6: {
374
				// 6-digit RGB hexadecimal representation
375
				$returncolor = array();
376
				$returncolor['R'] = max(0, min(255, hexdec(substr($color_code, 0, 2))));
377
				$returncolor['G'] = max(0, min(255, hexdec(substr($color_code, 2, 2))));
378
				$returncolor['B'] = max(0, min(255, hexdec(substr($color_code, 4, 2))));
379
				break;
380
			}
381
			case 8: {
382
				// 8-digit CMYK hexadecimal representation
383
				$returncolor = array();
384
				$returncolor['C'] = max(0, min(100, round(hexdec(substr($color_code, 0, 2)) / 2.55)));
385
				$returncolor['M'] = max(0, min(100, round(hexdec(substr($color_code, 2, 2)) / 2.55)));
386
				$returncolor['Y'] = max(0, min(100, round(hexdec(substr($color_code, 4, 2)) / 2.55)));
387
				$returncolor['K'] = max(0, min(100, round(hexdec(substr($color_code, 6, 2)) / 2.55)));
388
				break;
389
			}
390
			default: {
391
				$returncolor = $defcol;
392
				break;
393
			}
394
		}
395
		return $returncolor;
396
	}
397
 
398
	/**
399
	 * Convert a color array into a string representation.
400
	 * @param $c (array) Array of colors.
401
	 * @return (string) The color array representation.
402
	 * @since 5.9.137 (2011-12-01)
403
	 * @public static
404
	 */
405
	public static function getColorStringFromArray($c) {
406
		$c = array_values($c);
407
		$color = '[';
408
		switch (count($c)) {
409
			case 4: {
410
				// CMYK
411
				$color .= sprintf('%F %F %F %F', (max(0, min(100, floatval($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));
412
				break;
413
			}
414
			case 3: {
415
				// RGB
416
				$color .= sprintf('%F %F %F', (max(0, min(255, floatval($c[0]))) / 255), (max(0, min(255, floatval($c[1]))) / 255), (max(0, min(255, floatval($c[2]))) / 255));
417
				break;
418
			}
419
			case 1: {
420
				// grayscale
421
				$color .= sprintf('%F', (max(0, min(255, floatval($c[0]))) / 255));
422
				break;
423
			}
424
		}
425
		$color .= ']';
426
		return $color;
427
	}
428
 
429
	/**
430
	 * Convert color to javascript color.
431
	 * @param $color (string) color name or "#RRGGBB"
432
	 * @protected
433
	 * @since 2.1.002 (2008-02-12)
434
	 * @public static
435
	 */
436
	public static function _JScolor($color) {
437
		if (substr($color, 0, 1) == '#') {
438
			return sprintf("['RGB',%F,%F,%F]", (hexdec(substr($color, 1, 2)) / 255), (hexdec(substr($color, 3, 2)) / 255), (hexdec(substr($color, 5, 2)) / 255));
439
		}
440
		if (!in_array($color, self::$jscolor)) {
441
			// default transparent color
442
			$color = $jscolor[0];
443
		}
444
		return 'color.'.$color;
445
	}
446
 
447
 
448
} // --- END OF CLASS ---
449
 
450
//============================================================+
451
// END OF FILE
452
//============================================================+