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1 | <?php\r |
2 | /*\r | |
3 | * PHP QR Code encoder\r | |
4 | *\r | |
5 | * Main encoder classes.\r | |
6 | *\r | |
7 | * Based on libqrencode C library distributed under LGPL 2.1\r | |
8 | * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>\r | |
9 | *\r | |
10 | * PHP QR Code is distributed under LGPL 3\r | |
11 | * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>\r | |
12 | *\r | |
13 | * This library is free software; you can redistribute it and/or\r | |
14 | * modify it under the terms of the GNU Lesser General Public\r | |
15 | * License as published by the Free Software Foundation; either\r | |
16 | * version 3 of the License, or any later version.\r | |
17 | *\r | |
18 | * This library is distributed in the hope that it will be useful,\r | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of\r | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r | |
21 | * Lesser General Public License for more details.\r | |
22 | *\r | |
23 | * You should have received a copy of the GNU Lesser General Public\r | |
24 | * License along with this library; if not, write to the Free Software\r | |
25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\r | |
26 | */\r | |
27 | \r | |
28 | class QRrsblock {\r | |
29 | public $dataLength;\r | |
30 | public $data = array();\r | |
31 | public $eccLength;\r | |
32 | public $ecc = array();\r | |
33 | \r | |
34 | public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)\r | |
35 | {\r | |
36 | $rs->encode_rs_char($data, $ecc);\r | |
37 | \r | |
38 | $this->dataLength = $dl;\r | |
39 | $this->data = $data;\r | |
40 | $this->eccLength = $el;\r | |
41 | $this->ecc = $ecc;\r | |
42 | }\r | |
43 | };\r | |
44 | \r | |
45 | //##########################################################################\r | |
46 | \r | |
47 | class QRrawcode {\r | |
48 | public $version;\r | |
49 | public $datacode = array();\r | |
50 | public $ecccode = array();\r | |
51 | public $blocks;\r | |
52 | public $rsblocks = array(); //of RSblock\r | |
53 | public $count;\r | |
54 | public $dataLength;\r | |
55 | public $eccLength;\r | |
56 | public $b1;\r | |
57 | \r | |
58 | //----------------------------------------------------------------------\r | |
59 | public function __construct(QRinput $input)\r | |
60 | {\r | |
61 | $spec = array(0,0,0,0,0);\r | |
62 | \r | |
63 | $this->datacode = $input->getByteStream();\r | |
64 | if(is_null($this->datacode)) {\r | |
65 | throw new Exception('null imput string');\r | |
66 | }\r | |
67 | \r | |
68 | QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);\r | |
69 | \r | |
70 | $this->version = $input->getVersion();\r | |
71 | $this->b1 = QRspec::rsBlockNum1($spec);\r | |
72 | $this->dataLength = QRspec::rsDataLength($spec);\r | |
73 | $this->eccLength = QRspec::rsEccLength($spec);\r | |
74 | $this->ecccode = array_fill(0, $this->eccLength, 0);\r | |
75 | $this->blocks = QRspec::rsBlockNum($spec);\r | |
76 | \r | |
77 | $ret = $this->init($spec);\r | |
78 | if($ret < 0) {\r | |
79 | throw new Exception('block alloc error');\r | |
80 | return null;\r | |
81 | }\r | |
82 | \r | |
83 | $this->count = 0;\r | |
84 | }\r | |
85 | \r | |
86 | //----------------------------------------------------------------------\r | |
87 | public function init(array $spec)\r | |
88 | {\r | |
89 | $dl = QRspec::rsDataCodes1($spec);\r | |
90 | $el = QRspec::rsEccCodes1($spec);\r | |
91 | $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);\r | |
92 | \r | |
93 | \r | |
94 | $blockNo = 0;\r | |
95 | $dataPos = 0;\r | |
96 | $eccPos = 0;\r | |
97 | for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {\r | |
98 | $ecc = array_slice($this->ecccode,$eccPos);\r | |
99 | $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);\r | |
100 | $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);\r | |
101 | \r | |
102 | $dataPos += $dl;\r | |
103 | $eccPos += $el;\r | |
104 | $blockNo++;\r | |
105 | }\r | |
106 | \r | |
107 | if(QRspec::rsBlockNum2($spec) == 0)\r | |
108 | return 0;\r | |
109 | \r | |
110 | $dl = QRspec::rsDataCodes2($spec);\r | |
111 | $el = QRspec::rsEccCodes2($spec);\r | |
112 | $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);\r | |
113 | \r | |
114 | if($rs == NULL) return -1;\r | |
115 | \r | |
116 | for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {\r | |
117 | $ecc = array_slice($this->ecccode,$eccPos);\r | |
118 | $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);\r | |
119 | $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);\r | |
120 | \r | |
121 | $dataPos += $dl;\r | |
122 | $eccPos += $el;\r | |
123 | $blockNo++;\r | |
124 | }\r | |
125 | \r | |
126 | return 0;\r | |
127 | }\r | |
128 | \r | |
129 | //----------------------------------------------------------------------\r | |
130 | public function getCode()\r | |
131 | {\r | |
6f7798b6 | 132 | $ret = 0;\r |
fb70f26e AD |
133 | \r |
134 | if($this->count < $this->dataLength) {\r | |
135 | $row = $this->count % $this->blocks;\r | |
136 | $col = $this->count / $this->blocks;\r | |
137 | if($col >= $this->rsblocks[0]->dataLength) {\r | |
138 | $row += $this->b1;\r | |
139 | }\r | |
140 | $ret = $this->rsblocks[$row]->data[$col];\r | |
141 | } else if($this->count < $this->dataLength + $this->eccLength) {\r | |
142 | $row = ($this->count - $this->dataLength) % $this->blocks;\r | |
143 | $col = ($this->count - $this->dataLength) / $this->blocks;\r | |
144 | $ret = $this->rsblocks[$row]->ecc[$col];\r | |
145 | } else {\r | |
146 | return 0;\r | |
147 | }\r | |
148 | $this->count++;\r | |
149 | \r | |
150 | return $ret;\r | |
151 | }\r | |
152 | }\r | |
153 | \r | |
154 | //##########################################################################\r | |
155 | \r | |
156 | class QRcode {\r | |
157 | \r | |
158 | public $version;\r | |
159 | public $width;\r | |
160 | public $data; \r | |
161 | \r | |
162 | //----------------------------------------------------------------------\r | |
163 | public function encodeMask(QRinput $input, $mask)\r | |
164 | {\r | |
165 | if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {\r | |
166 | throw new Exception('wrong version');\r | |
167 | }\r | |
168 | if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {\r | |
169 | throw new Exception('wrong level');\r | |
170 | }\r | |
171 | \r | |
172 | $raw = new QRrawcode($input);\r | |
173 | \r | |
174 | QRtools::markTime('after_raw');\r | |
175 | \r | |
176 | $version = $raw->version;\r | |
177 | $width = QRspec::getWidth($version);\r | |
178 | $frame = QRspec::newFrame($version);\r | |
179 | \r | |
180 | $filler = new FrameFiller($width, $frame);\r | |
181 | if(is_null($filler)) {\r | |
182 | return NULL;\r | |
183 | }\r | |
184 | \r | |
185 | // inteleaved data and ecc codes\r | |
186 | for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {\r | |
187 | $code = $raw->getCode();\r | |
188 | $bit = 0x80;\r | |
189 | for($j=0; $j<8; $j++) {\r | |
190 | $addr = $filler->next();\r | |
191 | $filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));\r | |
192 | $bit = $bit >> 1;\r | |
193 | }\r | |
194 | }\r | |
195 | \r | |
196 | QRtools::markTime('after_filler');\r | |
197 | \r | |
198 | unset($raw);\r | |
199 | \r | |
200 | // remainder bits\r | |
201 | $j = QRspec::getRemainder($version);\r | |
202 | for($i=0; $i<$j; $i++) {\r | |
203 | $addr = $filler->next();\r | |
204 | $filler->setFrameAt($addr, 0x02);\r | |
205 | }\r | |
206 | \r | |
207 | $frame = $filler->frame;\r | |
208 | unset($filler);\r | |
209 | \r | |
210 | \r | |
211 | // masking\r | |
212 | $maskObj = new QRmask();\r | |
213 | if($mask < 0) {\r | |
214 | \r | |
215 | if (QR_FIND_BEST_MASK) {\r | |
216 | $masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());\r | |
217 | } else {\r | |
218 | $masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());\r | |
219 | }\r | |
220 | } else {\r | |
221 | $masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());\r | |
222 | }\r | |
223 | \r | |
224 | if($masked == NULL) {\r | |
225 | return NULL;\r | |
226 | }\r | |
227 | \r | |
228 | QRtools::markTime('after_mask');\r | |
229 | \r | |
230 | $this->version = $version;\r | |
231 | $this->width = $width;\r | |
232 | $this->data = $masked;\r | |
233 | \r | |
234 | return $this;\r | |
235 | }\r | |
236 | \r | |
237 | //----------------------------------------------------------------------\r | |
238 | public function encodeInput(QRinput $input)\r | |
239 | {\r | |
240 | return $this->encodeMask($input, -1);\r | |
241 | }\r | |
242 | \r | |
243 | //----------------------------------------------------------------------\r | |
244 | public function encodeString8bit($string, $version, $level)\r | |
245 | {\r | |
246 | if(string == NULL) {\r | |
247 | throw new Exception('empty string!');\r | |
248 | return NULL;\r | |
249 | }\r | |
250 | \r | |
251 | $input = new QRinput($version, $level);\r | |
252 | if($input == NULL) return NULL;\r | |
253 | \r | |
254 | $ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));\r | |
255 | if($ret < 0) {\r | |
256 | unset($input);\r | |
257 | return NULL;\r | |
258 | }\r | |
259 | return $this->encodeInput($input);\r | |
260 | }\r | |
261 | \r | |
262 | //----------------------------------------------------------------------\r | |
263 | public function encodeString($string, $version, $level, $hint, $casesensitive)\r | |
264 | {\r | |
265 | \r | |
266 | if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {\r | |
267 | throw new Exception('bad hint');\r | |
268 | return NULL;\r | |
269 | }\r | |
270 | \r | |
271 | $input = new QRinput($version, $level);\r | |
272 | if($input == NULL) return NULL;\r | |
273 | \r | |
274 | $ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);\r | |
275 | if($ret < 0) {\r | |
276 | return NULL;\r | |
277 | }\r | |
278 | \r | |
279 | return $this->encodeInput($input);\r | |
280 | }\r | |
281 | \r | |
282 | //----------------------------------------------------------------------\r | |
283 | public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false) \r | |
284 | {\r | |
285 | $enc = QRencode::factory($level, $size, $margin);\r | |
286 | return $enc->encodePNG($text, $outfile, $saveandprint=false);\r | |
287 | }\r | |
288 | \r | |
289 | //----------------------------------------------------------------------\r | |
290 | public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) \r | |
291 | {\r | |
292 | $enc = QRencode::factory($level, $size, $margin);\r | |
293 | return $enc->encode($text, $outfile);\r | |
294 | }\r | |
295 | \r | |
296 | //----------------------------------------------------------------------\r | |
297 | public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) \r | |
298 | {\r | |
299 | $enc = QRencode::factory($level, $size, $margin);\r | |
300 | return $enc->encodeRAW($text, $outfile);\r | |
301 | }\r | |
302 | }\r | |
303 | \r | |
304 | //##########################################################################\r | |
305 | \r | |
306 | class FrameFiller {\r | |
307 | \r | |
308 | public $width;\r | |
309 | public $frame;\r | |
310 | public $x;\r | |
311 | public $y;\r | |
312 | public $dir;\r | |
313 | public $bit;\r | |
314 | \r | |
315 | //----------------------------------------------------------------------\r | |
316 | public function __construct($width, &$frame)\r | |
317 | {\r | |
318 | $this->width = $width;\r | |
319 | $this->frame = $frame;\r | |
320 | $this->x = $width - 1;\r | |
321 | $this->y = $width - 1;\r | |
322 | $this->dir = -1;\r | |
323 | $this->bit = -1;\r | |
324 | }\r | |
325 | \r | |
326 | //----------------------------------------------------------------------\r | |
327 | public function setFrameAt($at, $val)\r | |
328 | {\r | |
329 | $this->frame[$at['y']][$at['x']] = chr($val);\r | |
330 | }\r | |
331 | \r | |
332 | //----------------------------------------------------------------------\r | |
333 | public function getFrameAt($at)\r | |
334 | {\r | |
335 | return ord($this->frame[$at['y']][$at['x']]);\r | |
336 | }\r | |
337 | \r | |
338 | //----------------------------------------------------------------------\r | |
339 | public function next()\r | |
340 | {\r | |
341 | do {\r | |
342 | \r | |
343 | if($this->bit == -1) {\r | |
344 | $this->bit = 0;\r | |
345 | return array('x'=>$this->x, 'y'=>$this->y);\r | |
346 | }\r | |
347 | \r | |
348 | $x = $this->x;\r | |
349 | $y = $this->y;\r | |
350 | $w = $this->width;\r | |
351 | \r | |
352 | if($this->bit == 0) {\r | |
353 | $x--;\r | |
354 | $this->bit++;\r | |
355 | } else {\r | |
356 | $x++;\r | |
357 | $y += $this->dir;\r | |
358 | $this->bit--;\r | |
359 | }\r | |
360 | \r | |
361 | if($this->dir < 0) {\r | |
362 | if($y < 0) {\r | |
363 | $y = 0;\r | |
364 | $x -= 2;\r | |
365 | $this->dir = 1;\r | |
366 | if($x == 6) {\r | |
367 | $x--;\r | |
368 | $y = 9;\r | |
369 | }\r | |
370 | }\r | |
371 | } else {\r | |
372 | if($y == $w) {\r | |
373 | $y = $w - 1;\r | |
374 | $x -= 2;\r | |
375 | $this->dir = -1;\r | |
376 | if($x == 6) {\r | |
377 | $x--;\r | |
378 | $y -= 8;\r | |
379 | }\r | |
380 | }\r | |
381 | }\r | |
382 | if($x < 0 || $y < 0) return null;\r | |
383 | \r | |
384 | $this->x = $x;\r | |
385 | $this->y = $y;\r | |
386 | \r | |
387 | } while(ord($this->frame[$y][$x]) & 0x80);\r | |
388 | \r | |
389 | return array('x'=>$x, 'y'=>$y);\r | |
390 | }\r | |
391 | \r | |
392 | } ;\r | |
393 | \r | |
394 | //########################################################################## \r | |
395 | \r | |
396 | class QRencode {\r | |
397 | \r | |
398 | public $casesensitive = true;\r | |
399 | public $eightbit = false;\r | |
400 | \r | |
401 | public $version = 0;\r | |
402 | public $size = 3;\r | |
403 | public $margin = 4;\r | |
404 | \r | |
405 | public $structured = 0; // not supported yet\r | |
406 | \r | |
407 | public $level = QR_ECLEVEL_L;\r | |
408 | public $hint = QR_MODE_8;\r | |
409 | \r | |
410 | //----------------------------------------------------------------------\r | |
411 | public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)\r | |
412 | {\r | |
413 | $enc = new QRencode();\r | |
414 | $enc->size = $size;\r | |
415 | $enc->margin = $margin;\r | |
416 | \r | |
417 | switch ($level.'') {\r | |
418 | case '0':\r | |
419 | case '1':\r | |
420 | case '2':\r | |
421 | case '3':\r | |
422 | $enc->level = $level;\r | |
423 | break;\r | |
424 | case 'l':\r | |
425 | case 'L':\r | |
426 | $enc->level = QR_ECLEVEL_L;\r | |
427 | break;\r | |
428 | case 'm':\r | |
429 | case 'M':\r | |
430 | $enc->level = QR_ECLEVEL_M;\r | |
431 | break;\r | |
432 | case 'q':\r | |
433 | case 'Q':\r | |
434 | $enc->level = QR_ECLEVEL_Q;\r | |
435 | break;\r | |
436 | case 'h':\r | |
437 | case 'H':\r | |
438 | $enc->level = QR_ECLEVEL_H;\r | |
439 | break;\r | |
440 | }\r | |
441 | \r | |
442 | return $enc;\r | |
443 | }\r | |
444 | \r | |
445 | //----------------------------------------------------------------------\r | |
446 | public function encodeRAW($intext, $outfile = false) \r | |
447 | {\r | |
448 | $code = new QRcode();\r | |
449 | \r | |
450 | if($this->eightbit) {\r | |
451 | $code->encodeString8bit($intext, $this->version, $this->level);\r | |
452 | } else {\r | |
453 | $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);\r | |
454 | }\r | |
455 | \r | |
456 | return $code->data;\r | |
457 | }\r | |
458 | \r | |
459 | //----------------------------------------------------------------------\r | |
460 | public function encode($intext, $outfile = false) \r | |
461 | {\r | |
462 | $code = new QRcode();\r | |
463 | \r | |
464 | if($this->eightbit) {\r | |
465 | $code->encodeString8bit($intext, $this->version, $this->level);\r | |
466 | } else {\r | |
467 | $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);\r | |
468 | }\r | |
469 | \r | |
470 | QRtools::markTime('after_encode');\r | |
471 | \r | |
472 | if ($outfile!== false) {\r | |
473 | file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));\r | |
474 | } else {\r | |
475 | return QRtools::binarize($code->data);\r | |
476 | }\r | |
477 | }\r | |
478 | \r | |
479 | //----------------------------------------------------------------------\r | |
480 | public function encodePNG($intext, $outfile = false,$saveandprint=false) \r | |
481 | {\r | |
482 | try {\r | |
483 | \r | |
484 | ob_start();\r | |
485 | $tab = $this->encode($intext);\r | |
486 | $err = ob_get_contents();\r | |
487 | ob_end_clean();\r | |
488 | \r | |
489 | if ($err != '')\r | |
490 | QRtools::log($outfile, $err);\r | |
491 | \r | |
492 | $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));\r | |
493 | \r | |
494 | QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);\r | |
495 | \r | |
496 | } catch (Exception $e) {\r | |
497 | \r | |
498 | QRtools::log($outfile, $e->getMessage());\r | |
499 | \r | |
500 | }\r | |
501 | }\r | |
502 | }\r |