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1 <?php
2 /*
3 * PHP QR Code encoder
4 *
5 * Toolset, handy and debug utilites.
6 *
7 * PHP QR Code is distributed under LGPL 3
8 * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 3 of the License, or any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25 class QRtools {
26
27 //----------------------------------------------------------------------
28 public static function binarize($frame)
29 {
30 $len = count($frame);
31 foreach ($frame as &$frameLine) {
32
33 for($i=0; $i<$len; $i++) {
34 $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';
35 }
36 }
37
38 return $frame;
39 }
40
41 //----------------------------------------------------------------------
42 public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037')
43 {
44 $barcode_array = array();
45
46 if (!is_array($mode))
47 $mode = explode(',', $mode);
48
49 $eccLevel = 'L';
50
51 if (count($mode) > 1) {
52 $eccLevel = $mode[1];
53 }
54
55 $qrTab = QRcode::text($code, false, $eccLevel);
56 $size = count($qrTab);
57
58 $barcode_array['num_rows'] = $size;
59 $barcode_array['num_cols'] = $size;
60 $barcode_array['bcode'] = array();
61
62 foreach ($qrTab as $line) {
63 $arrAdd = array();
64 foreach(str_split($line) as $char)
65 $arrAdd[] = ($char=='1')?1:0;
66 $barcode_array['bcode'][] = $arrAdd;
67 }
68
69 return $barcode_array;
70 }
71
72 //----------------------------------------------------------------------
73 public static function clearCache()
74 {
75 self::$frames = array();
76 }
77
78 //----------------------------------------------------------------------
79 public static function buildCache()
80 {
81 QRtools::markTime('before_build_cache');
82
83 $mask = new QRmask();
84 for ($a=1; $a <= QRSPEC_VERSION_MAX; $a++) {
85 $frame = QRspec::newFrame($a);
86 if (QR_IMAGE) {
87 $fileName = QR_CACHE_DIR.'frame_'.$a.'.png';
88 QRimage::png(self::binarize($frame), $fileName, 1, 0);
89 }
90
91 $width = count($frame);
92 $bitMask = array_fill(0, $width, array_fill(0, $width, 0));
93 for ($maskNo=0; $maskNo<8; $maskNo++)
94 $mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);
95 }
96
97 QRtools::markTime('after_build_cache');
98 }
99
100 //----------------------------------------------------------------------
101 public static function log($outfile, $err)
102 {
103 if (QR_LOG_DIR !== false) {
104 if ($err != '') {
105 if ($outfile !== false) {
106 file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);
107 } else {
108 file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);
109 }
110 }
111 }
112 }
113
114 //----------------------------------------------------------------------
115 public static function dumpMask($frame)
116 {
117 $width = count($frame);
118 for($y=0;$y<$width;$y++) {
119 for($x=0;$x<$width;$x++) {
120 echo ord($frame[$y][$x]).',';
121 }
122 }
123 }
124
125 //----------------------------------------------------------------------
126 public static function markTime($markerId)
127 {
128 list($usec, $sec) = explode(" ", microtime());
129 $time = ((float)$usec + (float)$sec);
130
131 if (!isset($GLOBALS['qr_time_bench']))
132 $GLOBALS['qr_time_bench'] = array();
133
134 $GLOBALS['qr_time_bench'][$markerId] = $time;
135 }
136
137 //----------------------------------------------------------------------
138 public static function timeBenchmark()
139 {
140 self::markTime('finish');
141
142 $lastTime = 0;
143 $startTime = 0;
144 $p = 0;
145
146 echo '<table cellpadding="3" cellspacing="1">
147 <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead>
148 <tbody>';
149
150 foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) {
151 if ($p > 0) {
152 echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>';
153 } else {
154 $startTime = $thisTime;
155 }
156
157 $p++;
158 $lastTime = $thisTime;
159 }
160
161 echo '</tbody><tfoot>
162 <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'.number_format($lastTime-$startTime, 6).'s</td></tr>
163 </tfoot>
164 </table>';
165 }
166
167 public static function save($content, $filename_path)
168 {
169 try {
170 $handle = fopen($filename_path, "w");
171 fwrite($handle, $content);
172 fclose($handle);
173 return true;
174 } catch (Exception $e) {
175 echo 'Exception reçue : ', $e->getMessage(), "\n";
176 }
177
178 }
179
180 }
181
182 //##########################################################################
183
184 QRtools::markTime('start');
185