source: trunk/client/modules/Elezioni/grafici/jpgraph_ttf.inc.php@ 429

Last change on this file since 429 was 284, checked in by roby, 6 years ago
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1<?php
2//=======================================================================
3// File: jpgraph_ttf.inc.php
4// Description: Handling of TTF fonts
5// Created: 2006-11-19
6// Ver: $Id: jpgraph_ttf.inc.php 1858 2009-09-28 14:39:51Z ljp $
7//
8// Copyright (c) Asial Corporation. All rights reserved.
9//========================================================================
10
11// TTF Font families
12define("FF_COURIER",10);
13define("FF_VERDANA",11);
14define("FF_TIMES",12);
15define("FF_COMIC",14);
16define("FF_ARIAL",15);
17define("FF_GEORGIA",16);
18define("FF_TREBUCHE",17);
19
20// Gnome Vera font
21// Available from http://www.gnome.org/fonts/
22define("FF_VERA",18);
23define("FF_VERAMONO",19);
24define("FF_VERASERIF",20);
25
26// Chinese font
27define("FF_SIMSUN",30);
28define("FF_CHINESE",31);
29define("FF_BIG5",32);
30
31// Japanese font
32define("FF_MINCHO",40);
33define("FF_PMINCHO",41);
34define("FF_GOTHIC",42);
35define("FF_PGOTHIC",43);
36
37// Hebrew fonts
38define("FF_DAVID",44);
39define("FF_MIRIAM",45);
40define("FF_AHRON",46);
41
42// Dejavu-fonts http://sourceforge.net/projects/dejavu
43define("FF_DV_SANSSERIF",47);
44define("FF_DV_SERIF",48);
45define("FF_DV_SANSSERIFMONO",49);
46define("FF_DV_SERIFCOND",50);
47define("FF_DV_SANSSERIFCOND",51);
48
49// Extra fonts
50// Download fonts from
51// http://www.webfontlist.com
52// http://www.webpagepublicity.com/free-fonts.html
53// http://www.fontonic.com/fonts.asp?width=d&offset=120
54// http://www.fontspace.com/category/famous
55
56// define("FF_SPEEDO",71); // This font is also known as Bauer (Used for development gauge fascia)
57define("FF_DIGITAL",72); // Digital readout font
58define("FF_COMPUTER",73); // The classic computer font
59define("FF_CALCULATOR",74); // Triad font
60
61define("FF_USERFONT",90);
62define("FF_USERFONT1",90);
63define("FF_USERFONT2",91);
64define("FF_USERFONT3",92);
65
66// Limits for fonts
67define("_FIRST_FONT",10);
68define("_LAST_FONT",99);
69
70// TTF Font styles
71define("FS_NORMAL",9001);
72define("FS_BOLD",9002);
73define("FS_ITALIC",9003);
74define("FS_BOLDIT",9004);
75define("FS_BOLDITALIC",9004);
76
77//Definitions for internal font
78define("FF_FONT0",1);
79define("FF_FONT1",2);
80define("FF_FONT2",4);
81
82//------------------------------------------------------------------------
83// Defines for font setup
84//------------------------------------------------------------------------
85
86// Actual name of the TTF file used together with FF_CHINESE aka FF_BIG5
87// This is the TTF file being used when the font family is specified as
88// either FF_CHINESE or FF_BIG5
89define('CHINESE_TTF_FONT','bkai00mp.ttf');
90
91// Special unicode greek language support
92define("LANGUAGE_GREEK",false);
93
94// If you are setting this config to true the conversion of greek characters
95// will assume that the input text is windows 1251
96define("GREEK_FROM_WINDOWS",false);
97
98// Special unicode cyrillic language support
99define("LANGUAGE_CYRILLIC",false);
100
101// If you are setting this config to true the conversion
102// will assume that the input text is windows 1251, if
103// false it will assume koi8-r
104define("CYRILLIC_FROM_WINDOWS",false);
105
106// The following constant is used to auto-detect
107// whether cyrillic conversion is really necessary
108// if enabled. Just replace 'windows-1251' with a variable
109// containing the input character encoding string
110// of your application calling jpgraph.
111// A typical such string would be 'UTF-8' or 'utf-8'.
112// The comparison is case-insensitive.
113// If this charset is not a 'koi8-r' or 'windows-1251'
114// derivate then no conversion is done.
115//
116// This constant can be very important in multi-user
117// multi-language environments where a cyrillic conversion
118// could be needed for some cyrillic people
119// and resulting in just erraneous conversions
120// for not-cyrillic language based people.
121//
122// Example: In the free project management
123// software dotproject.net $locale_char_set is dynamically
124// set by the language environment the user has chosen.
125//
126// Usage: define('LANGUAGE_CHARSET', $locale_char_set);
127//
128// where $locale_char_set is a GLOBAL (string) variable
129// from the application including JpGraph.
130//
131define('LANGUAGE_CHARSET', null);
132
133// Japanese TrueType font used with FF_MINCHO, FF_PMINCHO, FF_GOTHIC, FF_PGOTHIC
134// Standard fonts from Infomation-technology Promotion Agency (IPA)
135// See http://mix-mplus-ipa.sourceforge.jp/
136define('MINCHO_TTF_FONT','ipam.ttf');
137define('PMINCHO_TTF_FONT','ipamp.ttf');
138define('GOTHIC_TTF_FONT','ipag.ttf');
139define('PGOTHIC_TTF_FONT','ipagp.ttf');
140
141// Assume that Japanese text have been entered in EUC-JP encoding.
142// If this define is true then conversion from EUC-JP to UTF8 is done
143// automatically in the library using the mbstring module in PHP.
144define('ASSUME_EUCJP_ENCODING',false);
145
146
147// Default font family
148define('FF_DEFAULT', FF_DV_SANSSERIF);
149
150
151
152//=================================================================
153// CLASS LanguageConv
154// Description:
155// Converts various character encoding into proper
156// UTF-8 depending on how the library have been configured and
157// what font family is being used
158//=================================================================
159class LanguageConv {
160 private $g2312 = null ;
161
162 function Convert($aTxt,$aFF) {
163 if( LANGUAGE_GREEK ) {
164 if( GREEK_FROM_WINDOWS ) {
165 $unistring = LanguageConv::gr_win2uni($aTxt);
166 } else {
167 $unistring = LanguageConv::gr_iso2uni($aTxt);
168 }
169 return $unistring;
170 } elseif( LANGUAGE_CYRILLIC ) {
171 if( CYRILLIC_FROM_WINDOWS && (!defined('LANGUAGE_CHARSET') || stristr(LANGUAGE_CHARSET, 'windows-1251')) ) {
172 $aTxt = convert_cyr_string($aTxt, "w", "k");
173 }
174 if( !defined('LANGUAGE_CHARSET') || stristr(LANGUAGE_CHARSET, 'koi8-r') || stristr(LANGUAGE_CHARSET, 'windows-1251')) {
175 $isostring = convert_cyr_string($aTxt, "k", "i");
176 $unistring = LanguageConv::iso2uni($isostring);
177 }
178 else {
179 $unistring = $aTxt;
180 }
181 return $unistring;
182 }
183 elseif( $aFF === FF_SIMSUN ) {
184 // Do Chinese conversion
185 if( $this->g2312 == null ) {
186 include_once 'jpgraph_gb2312.php' ;
187 $this->g2312 = new GB2312toUTF8();
188 }
189 return $this->g2312->gb2utf8($aTxt);
190 }
191 elseif( $aFF === FF_BIG5 ) {
192 if( !function_exists('iconv') ) {
193 JpGraphError::RaiseL(25006);
194 //('Usage of FF_CHINESE (FF_BIG5) font family requires that your PHP setup has the iconv() function. By default this is not compiled into PHP (needs the "--width-iconv" when configured).');
195 }
196 return iconv('BIG5','UTF-8',$aTxt);
197 }
198 elseif( ASSUME_EUCJP_ENCODING &&
199 ($aFF == FF_MINCHO || $aFF == FF_GOTHIC || $aFF == FF_PMINCHO || $aFF == FF_PGOTHIC) ) {
200 if( !function_exists('mb_convert_encoding') ) {
201 JpGraphError::RaiseL(25127);
202 }
203 return mb_convert_encoding($aTxt, 'UTF-8','EUC-JP');
204 }
205 elseif( $aFF == FF_DAVID || $aFF == FF_MIRIAM || $aFF == FF_AHRON ) {
206 return LanguageConv::heb_iso2uni($aTxt);
207 }
208 else
209 return $aTxt;
210 }
211
212 // Translate iso encoding to unicode
213 public static function iso2uni ($isoline){
214 $uniline='';
215 for ($i=0; $i < strlen($isoline); $i++){
216 $thischar=substr($isoline,$i,1);
217 $charcode=ord($thischar);
218 $uniline.=($charcode>175) ? "&#" . (1040+($charcode-176)). ";" : $thischar;
219 }
220 return $uniline;
221 }
222
223 // Translate greek iso encoding to unicode
224 public static function gr_iso2uni ($isoline) {
225 $uniline='';
226 for ($i=0; $i < strlen($isoline); $i++) {
227 $thischar=substr($isoline,$i,1);
228 $charcode=ord($thischar);
229 $uniline.=($charcode>179 && $charcode!=183 && $charcode!=187 && $charcode!=189) ? "&#" . (900+($charcode-180)). ";" : $thischar;
230 }
231 return $uniline;
232 }
233
234 // Translate greek win encoding to unicode
235 public static function gr_win2uni ($winline) {
236 $uniline='';
237 for ($i=0; $i < strlen($winline); $i++) {
238 $thischar=substr($winline,$i,1);
239 $charcode=ord($thischar);
240 if ($charcode==161 || $charcode==162) {
241 $uniline.="&#" . (740+$charcode). ";";
242 }
243 else {
244 $uniline.=(($charcode>183 && $charcode!=187 && $charcode!=189) || $charcode==180) ? "&#" . (900+($charcode-180)). ";" : $thischar;
245 }
246 }
247 return $uniline;
248 }
249
250 public static function heb_iso2uni($isoline) {
251 $isoline = hebrev($isoline);
252 $o = '';
253
254 $n = strlen($isoline);
255 for($i=0; $i < $n; $i++) {
256 $c=ord( substr($isoline,$i,1) );
257 $o .= ($c > 223) && ($c < 251) ? '&#'.(1264+$c).';' : chr($c);
258 }
259 return utf8_encode($o);
260 }
261}
262
263//=============================================================
264// CLASS TTF
265// Description: Handle TTF font names and mapping and loading of
266// font files
267//=============================================================
268class TTF {
269 private $font_files,$style_names;
270
271 function __construct() {
272
273 // String names for font styles to be used in error messages
274 $this->style_names=array(
275 FS_NORMAL =>'normal',
276 FS_BOLD =>'bold',
277 FS_ITALIC =>'italic',
278 FS_BOLDITALIC =>'bolditalic');
279
280 // File names for available fonts
281 $this->font_files=array(
282 FF_COURIER => array(FS_NORMAL =>'cour.ttf',
283 FS_BOLD =>'courbd.ttf',
284 FS_ITALIC =>'couri.ttf',
285 FS_BOLDITALIC =>'courbi.ttf' ),
286 FF_GEORGIA => array(FS_NORMAL =>'georgia.ttf',
287 FS_BOLD =>'georgiab.ttf',
288 FS_ITALIC =>'georgiai.ttf',
289 FS_BOLDITALIC =>'' ),
290 FF_TREBUCHE =>array(FS_NORMAL =>'trebuc.ttf',
291 FS_BOLD =>'trebucbd.ttf',
292 FS_ITALIC =>'trebucit.ttf',
293 FS_BOLDITALIC =>'trebucbi.ttf' ),
294 FF_VERDANA => array(FS_NORMAL =>'verdana.ttf',
295 FS_BOLD =>'verdanab.ttf',
296 FS_ITALIC =>'verdanai.ttf',
297 FS_BOLDITALIC =>'' ),
298 FF_TIMES => array(FS_NORMAL =>'times.ttf',
299 FS_BOLD =>'timesbd.ttf',
300 FS_ITALIC =>'timesi.ttf',
301 FS_BOLDITALIC =>'timesbi.ttf' ),
302 FF_COMIC => array(FS_NORMAL =>'comic.ttf',
303 FS_BOLD =>'comicbd.ttf',
304 FS_ITALIC =>'',
305 FS_BOLDITALIC =>'' ),
306 FF_ARIAL => array(FS_NORMAL =>'arial.ttf',
307 FS_BOLD =>'arialbd.ttf',
308 FS_ITALIC =>'ariali.ttf',
309 FS_BOLDITALIC =>'arialbi.ttf' ) ,
310 FF_VERA => array(FS_NORMAL =>'Vera.ttf',
311 FS_BOLD =>'VeraBd.ttf',
312 FS_ITALIC =>'VeraIt.ttf',
313 FS_BOLDITALIC =>'VeraBI.ttf' ),
314 FF_VERAMONO => array(FS_NORMAL =>'VeraMono.ttf',
315 FS_BOLD =>'VeraMoBd.ttf',
316 FS_ITALIC =>'VeraMoIt.ttf',
317 FS_BOLDITALIC =>'VeraMoBI.ttf' ),
318 FF_VERASERIF=> array(FS_NORMAL =>'VeraSe.ttf',
319 FS_BOLD =>'VeraSeBd.ttf',
320 FS_ITALIC =>'',
321 FS_BOLDITALIC =>'' ) ,
322
323 /* Chinese fonts */
324 FF_SIMSUN => array(
325 FS_NORMAL =>'simsun.ttc',
326 FS_BOLD =>'simhei.ttf',
327 FS_ITALIC =>'',
328 FS_BOLDITALIC =>'' ),
329 FF_CHINESE => array(
330 FS_NORMAL =>CHINESE_TTF_FONT,
331 FS_BOLD =>'',
332 FS_ITALIC =>'',
333 FS_BOLDITALIC =>'' ),
334 FF_BIG5 => array(
335 FS_NORMAL =>CHINESE_TTF_FONT,
336 FS_BOLD =>'',
337 FS_ITALIC =>'',
338 FS_BOLDITALIC =>'' ),
339
340 /* Japanese fonts */
341 FF_MINCHO => array(
342 FS_NORMAL =>MINCHO_TTF_FONT,
343 FS_BOLD =>'',
344 FS_ITALIC =>'',
345 FS_BOLDITALIC =>'' ),
346
347 FF_PMINCHO => array(
348 FS_NORMAL =>PMINCHO_TTF_FONT,
349 FS_BOLD =>'',
350 FS_ITALIC =>'',
351 FS_BOLDITALIC =>'' ),
352
353 FF_GOTHIC => array(
354 FS_NORMAL =>GOTHIC_TTF_FONT,
355 FS_BOLD =>'',
356 FS_ITALIC =>'',
357 FS_BOLDITALIC =>'' ),
358
359 FF_PGOTHIC => array(
360 FS_NORMAL =>PGOTHIC_TTF_FONT,
361 FS_BOLD =>'',
362 FS_ITALIC =>'',
363 FS_BOLDITALIC =>'' ),
364
365 /* Hebrew fonts */
366 FF_DAVID => array(
367 FS_NORMAL =>'DAVIDNEW.TTF',
368 FS_BOLD =>'',
369 FS_ITALIC =>'',
370 FS_BOLDITALIC =>'' ),
371
372 FF_MIRIAM => array(
373 FS_NORMAL =>'MRIAMY.TTF',
374 FS_BOLD =>'',
375 FS_ITALIC =>'',
376 FS_BOLDITALIC =>'' ),
377
378 FF_AHRON => array(
379 FS_NORMAL =>'ahronbd.ttf',
380 FS_BOLD =>'',
381 FS_ITALIC =>'',
382 FS_BOLDITALIC =>'' ),
383
384 /* Misc fonts */
385 FF_DIGITAL => array(
386 FS_NORMAL =>'DIGIRU__.TTF',
387 FS_BOLD =>'Digirtu_.ttf',
388 FS_ITALIC =>'Digir___.ttf',
389 FS_BOLDITALIC =>'DIGIRT__.TTF' ),
390
391 /* This is an experimental font for the speedometer development
392 FF_SPEEDO => array(
393 FS_NORMAL =>'Speedo.ttf',
394 FS_BOLD =>'',
395 FS_ITALIC =>'',
396 FS_BOLDITALIC =>'' ),
397 */
398
399 FF_COMPUTER => array(
400 FS_NORMAL =>'COMPUTER.TTF',
401 FS_BOLD =>'',
402 FS_ITALIC =>'',
403 FS_BOLDITALIC =>'' ),
404
405 FF_CALCULATOR => array(
406 FS_NORMAL =>'Triad_xs.ttf',
407 FS_BOLD =>'',
408 FS_ITALIC =>'',
409 FS_BOLDITALIC =>'' ),
410
411 /* Dejavu fonts */
412 FF_DV_SANSSERIF => array(
413 FS_NORMAL =>array('DejaVuSans.ttf'),
414 FS_BOLD =>array('DejaVuSans-Bold.ttf','DejaVuSansBold.ttf'),
415 FS_ITALIC =>array('DejaVuSans-Oblique.ttf','DejaVuSansOblique.ttf'),
416 FS_BOLDITALIC =>array('DejaVuSans-BoldOblique.ttf','DejaVuSansBoldOblique.ttf') ),
417
418 FF_DV_SANSSERIFMONO => array(
419 FS_NORMAL =>array('DejaVuSansMono.ttf','DejaVuMonoSans.ttf'),
420 FS_BOLD =>array('DejaVuSansMono-Bold.ttf','DejaVuMonoSansBold.ttf'),
421 FS_ITALIC =>array('DejaVuSansMono-Oblique.ttf','DejaVuMonoSansOblique.ttf'),
422 FS_BOLDITALIC =>array('DejaVuSansMono-BoldOblique.ttf','DejaVuMonoSansBoldOblique.ttf') ),
423
424 FF_DV_SANSSERIFCOND => array(
425 FS_NORMAL =>array('DejaVuSansCondensed.ttf','DejaVuCondensedSans.ttf'),
426 FS_BOLD =>array('DejaVuSansCondensed-Bold.ttf','DejaVuCondensedSansBold.ttf'),
427 FS_ITALIC =>array('DejaVuSansCondensed-Oblique.ttf','DejaVuCondensedSansOblique.ttf'),
428 FS_BOLDITALIC =>array('DejaVuSansCondensed-BoldOblique.ttf','DejaVuCondensedSansBoldOblique.ttf') ),
429
430 FF_DV_SERIF => array(
431 FS_NORMAL =>array('DejaVuSerif.ttf'),
432 FS_BOLD =>array('DejaVuSerif-Bold.ttf','DejaVuSerifBold.ttf'),
433 FS_ITALIC =>array('DejaVuSerif-Italic.ttf','DejaVuSerifItalic.ttf'),
434 FS_BOLDITALIC =>array('DejaVuSerif-BoldItalic.ttf','DejaVuSerifBoldItalic.ttf') ),
435
436 FF_DV_SERIFCOND => array(
437 FS_NORMAL =>array('DejaVuSerifCondensed.ttf','DejaVuCondensedSerif.ttf'),
438 FS_BOLD =>array('DejaVuSerifCondensed-Bold.ttf','DejaVuCondensedSerifBold.ttf'),
439 FS_ITALIC =>array('DejaVuSerifCondensed-Italic.ttf','DejaVuCondensedSerifItalic.ttf'),
440 FS_BOLDITALIC =>array('DejaVuSerifCondensed-BoldItalic.ttf','DejaVuCondensedSerifBoldItalic.ttf') ),
441
442
443 /* Placeholders for defined fonts */
444 FF_USERFONT1 => array(
445 FS_NORMAL =>'',
446 FS_BOLD =>'',
447 FS_ITALIC =>'',
448 FS_BOLDITALIC =>'' ),
449
450 FF_USERFONT2 => array(
451 FS_NORMAL =>'',
452 FS_BOLD =>'',
453 FS_ITALIC =>'',
454 FS_BOLDITALIC =>'' ),
455
456 FF_USERFONT3 => array(
457 FS_NORMAL =>'',
458 FS_BOLD =>'',
459 FS_ITALIC =>'',
460 FS_BOLDITALIC =>'' ),
461
462 );
463 }
464
465 //---------------
466 // PUBLIC METHODS
467 // Create the TTF file from the font specification
468 function File($family,$style=FS_NORMAL) {
469 $fam = @$this->font_files[$family];
470 if( !$fam ) {
471 JpGraphError::RaiseL(25046,$family);//("Specified TTF font family (id=$family) is unknown or does not exist. Please note that TTF fonts are not distributed with JpGraph for copyright reasons. You can find the MS TTF WEB-fonts (arial, courier etc) for download at http://corefonts.sourceforge.net/");
472 }
473 $ff = @$fam[$style];
474
475 // There are several optional file names. They are tried in order
476 // and the first one found is used
477 if( !is_array($ff) ) {
478 $ff = array($ff);
479 }
480
481 $jpgraph_font_dir = dirname(__FILE__).'/fonts/';
482
483 foreach ($ff as $font_file) {
484 // All font families are guaranteed to have the normal style
485
486 if( $font_file==='' )
487 JpGraphError::RaiseL(25047,$this->style_names[$style],$this->font_files[$family][FS_NORMAL]);//('Style "'.$this->style_names[$style].'" is not available for font family '.$this->font_files[$family][FS_NORMAL].'.');
488 if( !$font_file ) {
489 JpGraphError::RaiseL(25048,$fam);//("Unknown font style specification [$fam].");
490 }
491
492 // check jpgraph/src/fonts dir
493 $jpgraph_font_file = $jpgraph_font_dir . $font_file;
494 if (file_exists($jpgraph_font_file) === true && is_readable($jpgraph_font_file) === true) {
495 $font_file = $jpgraph_font_file;
496 break;
497 }
498
499 // check OS font dir
500 if ($family >= FF_MINCHO && $family <= FF_PGOTHIC) {
501 $font_file = MBTTF_DIR.$font_file;
502 } else {
503 $font_file = TTF_DIR.$font_file;
504 }
505 if (file_exists($font_file) === true && is_readable($font_file) === true) {
506 break;
507 }
508 }
509
510 if( !file_exists($font_file) ) {
511 JpGraphError::RaiseL(25049,$font_file);//("Font file \"$font_file\" is not readable or does not exist.");
512 }
513
514 return $font_file;
515 }
516
517 function SetUserFont($aNormal,$aBold='',$aItalic='',$aBoldIt='') {
518 $this->font_files[FF_USERFONT] =
519 array(FS_NORMAL => $aNormal,
520 FS_BOLD => $aBold,
521 FS_ITALIC => $aItalic,
522 FS_BOLDITALIC => $aBoldIt ) ;
523 }
524
525 function SetUserFont1($aNormal,$aBold='',$aItalic='',$aBoldIt='') {
526 $this->font_files[FF_USERFONT1] =
527 array(FS_NORMAL => $aNormal,
528 FS_BOLD => $aBold,
529 FS_ITALIC => $aItalic,
530 FS_BOLDITALIC => $aBoldIt ) ;
531 }
532
533 function SetUserFont2($aNormal,$aBold='',$aItalic='',$aBoldIt='') {
534 $this->font_files[FF_USERFONT2] =
535 array(FS_NORMAL => $aNormal,
536 FS_BOLD => $aBold,
537 FS_ITALIC => $aItalic,
538 FS_BOLDITALIC => $aBoldIt ) ;
539 }
540
541 function SetUserFont3($aNormal,$aBold='',$aItalic='',$aBoldIt='') {
542 $this->font_files[FF_USERFONT3] =
543 array(FS_NORMAL => $aNormal,
544 FS_BOLD => $aBold,
545 FS_ITALIC => $aItalic,
546 FS_BOLDITALIC => $aBoldIt ) ;
547 }
548
549} // Class
550
551
552//=============================================================================
553// CLASS SymChar
554// Description: Code values for some commonly used characters that
555// normally isn't available directly on the keyboard, for example
556// mathematical and greek symbols.
557//=============================================================================
558class SymChar {
559 static function Get($aSymb,$aCapital=FALSE) {
560 $iSymbols = array(
561 /* Greek */
562 array('alpha','03B1','0391'),
563 array('beta','03B2','0392'),
564 array('gamma','03B3','0393'),
565 array('delta','03B4','0394'),
566 array('epsilon','03B5','0395'),
567 array('zeta','03B6','0396'),
568 array('ny','03B7','0397'),
569 array('eta','03B8','0398'),
570 array('theta','03B8','0398'),
571 array('iota','03B9','0399'),
572 array('kappa','03BA','039A'),
573 array('lambda','03BB','039B'),
574 array('mu','03BC','039C'),
575 array('nu','03BD','039D'),
576 array('xi','03BE','039E'),
577 array('omicron','03BF','039F'),
578 array('pi','03C0','03A0'),
579 array('rho','03C1','03A1'),
580 array('sigma','03C3','03A3'),
581 array('tau','03C4','03A4'),
582 array('upsilon','03C5','03A5'),
583 array('phi','03C6','03A6'),
584 array('chi','03C7','03A7'),
585 array('psi','03C8','03A8'),
586 array('omega','03C9','03A9'),
587 /* Money */
588 array('euro','20AC'),
589 array('yen','00A5'),
590 array('pound','20A4'),
591 /* Math */
592 array('approx','2248'),
593 array('neq','2260'),
594 array('not','2310'),
595 array('def','2261'),
596 array('inf','221E'),
597 array('sqrt','221A'),
598 array('int','222B'),
599 /* Misc */
600 array('copy','00A9'),
601 array('para','00A7'),
602 array('tm','2122'), /* Trademark symbol */
603 array('rtm','00AE'), /* Registered trademark */
604 array('degree','00b0'),
605 array('lte','2264'), /* Less than or equal */
606 array('gte','2265'), /* Greater than or equal */
607
608 );
609
610 $n = count($iSymbols);
611 $i=0;
612 $found = false;
613 $aSymb = strtolower($aSymb);
614 while( $i < $n && !$found ) {
615 $found = $aSymb === $iSymbols[$i++][0];
616 }
617 if( $found ) {
618 $ca = $iSymbols[--$i];
619 if( $aCapital && count($ca)==3 )
620 $s = $ca[2];
621 else
622 $s = $ca[1];
623 return sprintf('&#%04d;',hexdec($s));
624 }
625 else
626 return '';
627 }
628}
629
630
631?>
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