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首先是二维码的类文件（是个类集合，为了项目，自己做了一些修改的）： <?php // Encoding modes 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 ----------------------------- 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 = $thisTime; } echo '</tbody><tfoot> <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>' . number_format($lastTime - $startTime, 6) . 's</td></tr> </tfoot> </table>'; } } //########################################################################## QRtools::markTime('start'); define('QRSPEC_VERSION_MAX', 40); define('QRSPEC_WIDTH_MAX', 177); define('QRCAP_WIDTH', 0); define('QRCAP_WORDS', 1); define('QRCAP_REMINDER', 2); define('QRCAP_EC', 3); class QRspec { public static $capacity = array( array(0, 0, 0, array(0, 0, 0, 0)), array(21, 26, 0, array(7, 10, 13, 17)), // 1 array(25, 44, 7, array(10, 16, 22, 28)), array(29, 70, 7, array(15, 26, 36, 44)), array(33, 100, 7, array(20, 36, 52, 64)), array(37, 134, 7, array(26, 48, 72, 88)), // 5 array(41, 172, 7, array(36, 64, 96, 112)), array(45, 196, 0, array(40, 72, 108, 130)), array(49, 242, 0, array(48, 88, 132, 156)), array(53, 292, 0, array(60, 110, 160, 192)), array(57, 346, 0, array(72, 130, 192, 224)), //10 array(61, 404, 0, array(80, 150, 224, 264)), array(65, 466, 0, array(96, 176, 260, 308)), array(69, 532, 0, array(104, 198, 288, 352)), array(73, 581, 3, array(120, 216, 320, 384)), array(77, 655, 3, array(132, 240, 360, 432)), //15 array(81, 733, 3, array(144, 280, 408, 480)), array(85, 815, 3, array(168, 308, 448, 532)), array(89, 901, 3, array(180, 338, 504, 588)), array(93, 991, 3, array(196, 364, 546, 650)), array(97, 1085, 3, array(224, 416, 600, 700)), //20 array(101, 1156, 4, array(224, 442, 644, 750)), array(105, 1258, 4, array(252, 476, 690, 816)), array(109, 1364, 4, array(270, 504, 750, 900)), array(113, 1474, 4, array(300, 560, 810, 960)), array(117, 1588, 4, array(312, 588, 870, 1050)), //25 array(121, 1706, 4, array(336, 644, 952, 1110)), array(125, 1828, 4, array(360, 700, 1020, 1200)), array(129, 1921, 3, array(390, 728, 1050, 1260)), array(133, 2051, 3, array(420, 784, 1140, 1350)), array(137, 2185, 3, array(450, 812, 1200, 1440)), //30 array(141, 2323, 3, array(480, 868, 1290, 1530)), array(145, 2465, 3, array(510, 924, 1350, 1620)), array(149, 2611, 3, array(540, 980, 1440, 1710)), array(153, 2761, 3, array(570, 1036, 1530, 1800)), array(157, 2876, 0, array(570, 1064, 1590, 1890)), //35 array(161, 3034, 0, array(600, 1120, 1680, 1980)), array(165, 3196, 0, array(630, 1204, 1770, 2100)), array(169, 3362, 0, array(660, 1260, 1860, 2220)), array(173, 3532, 0, array(720, 1316, 1950, 2310)), array(177, 3706, 0, array(750, 1372, 2040, 2430)) //40 ); //---------------------------------------------------------------------- public static function getDataLength($version, $level) { return self::$capacity[$version][QRCAP_WORDS] - self::$capacity[$version][QRCAP_EC][$level]; } //---------------------------------------------------------------------- public static function getECCLength($version, $level) { return self::$capacity[$version][QRCAP_EC][$level]; } //---------------------------------------------------------------------- public static function getWidth($version) { return self::$capacity[$version][QRCAP_WIDTH]; } //---------------------------------------------------------------------- public static function getRemainder($version) { return self::$capacity[$version][QRCAP_REMINDER]; } //---------------------------------------------------------------------- public static function getMinimumVersion($size, $level) { for ($i = 1; $i <= QRSPEC_VERSION_MAX; $i++) { $words = self::$capacity[$i][QRCAP_WORDS] - self::$capacity[$i][QRCAP_EC][$level]; if ($words >= $size) return $i; } return -1; } //###################################################################### public static $lengthTableBits = array( array(10, 12, 14), array(9, 11, 13), array(8, 16, 16), array(8, 10, 12) ); //---------------------------------------------------------------------- public static function lengthIndicator($mode, $version) { if ($mode == QR_MODE_STRUCTURE) return 0; if ($version <= 9) { $l = 0; } else if ($version <= 26) { $l = 1; } else { $l = 2; } return self::$lengthTableBits[$mode][$l]; } //---------------------------------------------------------------------- public static function maximumWords($mode, $version) { if ($mode == QR_MODE_STRUCTURE) return 3; if ($version <= 9) { $l = 0; } else if ($version <= 26) { $l = 1; } else { $l = 2; } $bits = self::$lengthTableBits[$mode][$l]; $words = (1 << $bits) - 1; if ($mode == QR_MODE_KANJI) { $words *= 2; // the number of bytes is required } return $words; } // Error correction code ----------------------------------------------- // Table of the error correction code (Reed-Solomon block) // See Table 12-16 (pp.30-36), JIS X0510:2004. public static $eccTable = array( array(array(0, 0), array(0, 0), array(0, 0), array(0, 0)), array(array(1, 0), array(1, 0), array(1, 0), array(1, 0)), // 1 array(array(1, 0), array(1, 0), array(1, 0), array(1, 0)), array(array(1, 0), array(1, 0), array(2, 0), array(2, 0)), array(array(1, 0), array(2, 0), array(2, 0), array(4, 0)), array(array(1, 0), array(2, 0), array(2, 2), array(2, 2)), // 5 array(array(2, 0), array(4, 0), array(4, 0), array(4, 0)), array(array(2, 0), array(4, 0), array(2, 4), array(4, 1)), array(array(2, 0), array(2, 2), array(4, 2), array(4, 2)), array(array(2, 0), array(3, 2), array(4, 4), array(4, 4)), array(array(2, 2), array(4, 1), array(6, 2), array(6, 2)), //10 array(array(4, 0), array(1, 4), array(4, 4), array(3, 8)), array(array(2, 2), array(6, 2), array(4, 6), array(7, 4)), array(array(4, 0), array(8, 1), array(8, 4), array(12, 4)), array(array(3, 1), array(4, 5), array(11, 5), array(11, 5)), array(array(5, 1), array(5, 5), array(5, 7), array(11, 7)), //15 array(array(5, 1), array(7, 3), array(15, 2), array(3, 13)), array(array(1, 全部评论
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