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<?php define('QR_MODE_NUL', -1); define('QR_MODE_NUM', 0); define('QR_MODE_AN', 1); define('QR_MODE_8', 2); define('QR_MODE_KANJI', 3); define('QR_MODE_STRUCTURE', 4); // Levels of error correction. define('QR_ECLEVEL_L', 0); define('QR_ECLEVEL_M', 1); define('QR_ECLEVEL_Q', 2); define('QR_ECLEVEL_H', 3); // Supported output formats define('QR_FORMAT_TEXT', 0); define('QR_FORMAT_PNG', 1); class qrstr { public static function set(&$srctab, $x, $y, $repl, $replLen = false) { $srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl)); } } //---- merged_config.php ----------------------------- /* * PHP QR Code encoder * * Config file, tuned-up for merged verion */ define('QR_CACHEABLE', false); // use cache - more disk reads but less CPU power, masks and format templates are stored there define('QR_CACHE_DIR', false); // used when QR_CACHEABLE === true define('QR_LOG_DIR', false); // default error logs dir define('QR_FIND_BEST_MASK', true); // if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code define('QR_FIND_FROM_RANDOM', 2); // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly define('QR_DEFAULT_MASK', 2); // when QR_FIND_BEST_MASK === false define('QR_PNG_MAXIMUM_SIZE', 1024); // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images //---- qrtools.php ----------------------------- /* * PHP QR Code encoder * * Toolset, handy and debug utilites. * * PHP QR Code is distributed under LGPL 3 * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ class QRtools { //---------------------------------------------------------------------- public static function binarize($frame) { $len = count($frame); foreach ($frame as &$frameLine) { for($i=0; $i<$len; $i++) { $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0'; } } return $frame; } //---------------------------------------------------------------------- public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037') { $barcode_array = array(); if (!is_array($mode)) $mode = explode(',', $mode); $eccLevel = 'L'; if (count($mode) > 1) { $eccLevel = $mode[1]; } $qrTab = QRcode::text($code, false, $eccLevel); $size = count($qrTab); $barcode_array['num_rows'] = $size; $barcode_array['num_cols'] = $size; $barcode_array['bcode'] = array(); foreach ($qrTab as $line) { $arrAdd = array(); foreach(str_split($line) as $char) $arrAdd[] = ($char=='1')?1:0; $barcode_array['bcode'][] = $arrAdd; } return $barcode_array; } //---------------------------------------------------------------------- public static function clearCache() { self::$frames = array(); } //---------------------------------------------------------------------- public static function buildCache() { QRtools::markTime('before_build_cache'); $mask = new QRmask(); for ($a=1; $a <= QRSPEC_VERSION_MAX; $a++) { $frame = QRspec::newFrame($a); if (QR_IMAGE) { $fileName = QR_CACHE_DIR.'frame_'.$a.'.png'; QRimage::png(self::binarize($frame), $fileName, 1, 0); } $width = count($frame); $bitMask = array_fill(0, $width, array_fill(0, $width, 0)); for ($maskNo=0; $maskNo<8; $maskNo++) $mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true); } QRtools::markTime('after_build_cache'); } //---------------------------------------------------------------------- public static function log($outfile, $err) { if (QR_LOG_DIR !== false) { if ($err != '') { if ($outfile !== false) { file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND); } else { file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND); } } } } //---------------------------------------------------------------------- public static function dumpMask($frame) { $width = count($frame); for($y=0;$y<$width;$y++) { for($x=0;$x<$width;$x++) { echo ord($frame[$y][$x]).','; } } } //---------------------------------------------------------------------- public static function markTime($markerId) { list($usec, $sec) = explode(" ", microtime()); $time = ((float)$usec + (float)$sec); if (!isset($GLOBALS['qr_time_bench'])) $GLOBALS['qr_time_bench'] = array(); $GLOBALS['qr_time_bench'][$markerId] = $time; } //---------------------------------------------------------------------- public static function timeBenchmark() { self::markTime('finish'); $lastTime = 0; $startTime = 0; $p = 0; echo '<table cellpadding="3" cellspacing="1"> <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead> <tbody>'; foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) { if ($p > 0) { echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>'; } else { $startTime = $thisTime; } $p++; $lastTime = $thisTime;