Raphaël G. Git Repositories - cdn/blob - vendor/phpqrcode/qrtools.php

   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