php 二维码生成

程序员文章站 2022-04-07 22:06:10

...

生成二维码，有好几种方法，最快捷的方法就是使用Google的api。可惜Google被墙，很多时候并不好使。现在说一种比较好用的方法。

详细的文档和代码，请移步http://phpqrcode.sourceforge.net/。

下面是精简版，根据写入的信息，自动生成二维码。并且保存到指定的目录。

主程序代码

		';  
        ?>

不能添加附件，这是逼我贴上下面的代码啊。。。把下面这长代码，复制到新文件中，命名为qrcode.php.运行上面的代码就能生成二维码了。。。。

贴两张生成的二维码

php 二维码生成

php类文件（来自于http://phpqrcode.sourceforge.net/）


 *
 * 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
 */
 
 

/*
 * Version: 1.1.4
 * Build: 2010100721
 */



//---- qrconst.php -----------------------------





/*
 * PHP QR Code encoder
 *
 * Common constants
 *
 * Based on libqrencode C library distributed under LGPL 2.1
 * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi 
 *
 * PHP QR Code is distributed under LGPL 3
 * Copyright (C) 2010 Dominik Dzienia 
 *
 * 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
 */
 
	// 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 -----------------------------




/*
 * PHP QR Code encoder
 *
 * Toolset, handy and debug utilites.
 *
 * PHP QR Code is distributed under LGPL 3
 * Copyright (C) 2010 Dominik Dzienia 
 *
 * 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 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; $a makeMaskNo($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
                    BENCHMARK
';

            foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) {
                if ($p > 0) {
                    echo '
till '.$markerId.': 
'.number_format($thisTime-$lastTime, 6).'s
';
                } else {
                    $startTime = $thisTime;
                }
                
                $p++;
                $lastTime = $thisTime;
            }
            
            echo '

TOTAL: 
'.number_format($lastTime-$startTime, 6).'s
';
        }
        
    }
    
    //##########################################################################
    
    QRtools::markTime('start');
    



//---- qrspec.php -----------------------------




/*
 * PHP QR Code encoder
 *
 * QR Code specifications
 *
 * Based on libqrencode C library distributed under LGPL 2.1
 * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi 
 *
 * PHP QR Code is distributed under LGPL 3
 * Copyright (C) 2010 Dominik Dzienia 
 *
 * The following data / specifications are taken from
 * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)
 *  or
 * "Automatic identification and data capture techniques -- 
 *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)
 *
 * 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
 */
 
    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= $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  QRSPEC_VERSION_MAX)
                return 0;

            return self::$versionPattern[$version -7];
        }

        // Format information --------------------------------------------------
        // See calcFormatInfo in tests/test_qrspec.c (orginal qrencode c lib)
        
        public static $formatInfo = array(
            array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976),
            array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0),
            array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed),
            array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b)
        );

        public static function getFormatInfo($mask, $level)
        {
            if($mask  7)
                return 0;
                
            if($level  3)
                return 0;                

            return self::$formatInfo[$level][$mask];
        }

        // Frame ---------------------------------------------------------------
        // Cache of initial frames.
         
        public static $frames = array();

        /** --------------------------------------------------------------------
         * Put a finder pattern.
         * @param frame
         * @param width
         * @param ox,oy upper-left coordinate of the pattern
         */
        public static function putFinderPattern(&$frame, $ox, $oy)
        {
            $finder = array(
                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1",
                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1"
            );                            
            
            for($y=0; $y= 7) {
                $vinf = self::getVersionPattern($version);

                $v = $vinf;
                
                for($x=0; $x> 1;
                    }
                }

                $v = $vinf;
                for($y=0; $y> 1;
                    }
                }
            }
    
            // and a little bit...  
            $frame[$width - 8][8] = "\x81";
            
            return $frame;
        }

        //----------------------------------------------------------------------
        public static function debug($frame, $binary_mode = false)
        {
            if ($binary_mode) {
            
                    foreach ($frame as &$frameLine) {
                        $frameLine = join('  ', explode('0', $frameLine));
                        $frameLine = join('██', explode('1', $frameLine));
                    }
                    
                    ?>
                



        ';
                    echo join("
        ", $frame);
                    echo '

'; } else { foreach ($frame as &$frameLine) { $frameLine = join(' ', explode("\xc0", $frameLine)); $frameLine = join('?', explode("\xc1", $frameLine)); $frameLine = join(' ', explode("\xa0", $frameLine)); $frameLine = join('?', explode("\xa1", $frameLine)); $frameLine = join('◇', explode("\x84", $frameLine)); //format 0 $frameLine = join('◆', explode("\x85", $frameLine)); //format 1 $frameLine = join('?', explode("\x81", $frameLine)); //special bit $frameLine = join(' ', explode("\x90", $frameLine)); //clock 0 $frameLine = join('?', explode("\x91", $frameLine)); //clock 1 $frameLine = join(' ', explode("\x88", $frameLine)); //version $frameLine = join('?', explode("\x89", $frameLine)); //version $frameLine = join('?', explode("\x01", $frameLine)); $frameLine = join('?', explode("\0", $frameLine)); } ?> "; echo join(" ", $frame); echo ""; } } //---------------------------------------------------------------------- public static function serial($frame) { return gzcompress(join("\n", $frame), 9); } //---------------------------------------------------------------------- public static function unserial($code) { return explode("\n", gzuncompress($code)); } //---------------------------------------------------------------------- public static function newFrame($version) { if($version QRSPEC_VERSION_MAX) return null; if(!isset(self::$frames[$version])) { $fileName = QR_CACHE_DIR.'frame_'.$version.'.dat'; if (QR_CACHEABLE) { if (file_exists($fileName)) { self::$frames[$version] = self::unserial(file_get_contents($fileName)); } else { self::$frames[$version] = self::createFrame($version); file_put_contents($fileName, self::serial(self::$frames[$version])); } } else { self::$frames[$version] = self::createFrame($version); } } if(is_null(self::$frames[$version])) return null; return self::$frames[$version]; } //---------------------------------------------------------------------- public static function rsBlockNum($spec) { return $spec[0] + $spec[3]; } public static function rsBlockNum1($spec) { return $spec[0]; } public static function rsDataCodes1($spec) { return $spec[1]; } public static function rsEccCodes1($spec) { return $spec[2]; } public static function rsBlockNum2($spec) { return $spec[3]; } public static function rsDataCodes2($spec) { return $spec[4]; } public static function rsEccCodes2($spec) { return $spec[2]; } public static function rsDataLength($spec) { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]); } public static function rsEccLength($spec) { return ($spec[0] + $spec[3]) * $spec[2]; } } //---- qrimage.php ----------------------------- /* * PHP QR Code encoder * * Image output of code using GD2 * * PHP QR Code is distributed under LGPL 3 * Copyright (C) 2010 Dominik Dzienia * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ define('QR_IMAGE', true); class QRimage { //---------------------------------------------------------------------- public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE) { $image = self::image($frame, $pixelPerPoint, $outerFrame); if ($filename === false) { Header("Content-type: image/png"); ImagePng($image); } else { if($saveandprint===TRUE){ ImagePng($image, $filename); header("Content-type: image/png"); ImagePng($image); }else{ ImagePng($image, $filename); } } ImageDestroy($image); } //---------------------------------------------------------------------- public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) { $image = self::image($frame, $pixelPerPoint, $outerFrame); if ($filename === false) { Header("Content-type: image/jpeg"); ImageJpeg($image, null, $q); } else { ImageJpeg($image, $filename, $q); } ImageDestroy($image); } //---------------------------------------------------------------------- private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) { $h = count($frame); $w = strlen($frame[0]); $imgW = $w + 2*$outerFrame; $imgH = $h + 2*$outerFrame; $base_image =ImageCreate($imgW, $imgH); $col[0] = ImageColorAllocate($base_image,255,255,255); $col[1] = ImageColorAllocate($base_image,0,0,0); imagefill($base_image, 0, 0, $col[0]); for($y=0; $y * * PHP QR Code is distributed under LGPL 3 * Copyright (C) 2010 Dominik Dzienia * * 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 */ define('STRUCTURE_HEADER_BITS', 20); define('MAX_STRUCTURED_SYMBOLS', 16); class QRinputItem { public $mode; public $size; public $data; public $bstream; public function __construct($mode, $size, $data, $bstream = null) { $setData = array_slice($data, 0, $size); if (count($setData) mode = $mode; $this->size = $size; $this->data = $setData; $this->bstream = $bstream; } //---------------------------------------------------------------------- public function encodeModeNum($version) { try { $words = (int)($this->size / 3); $bs = new QRbitstream(); $val = 0x1; $bs->appendNum(4, $val); $bs->appendNum(QRspec::lengthIndicator(QR_MODE_NUM, $version), $this->size); for($i=0; $idata[$i*3 ]) - ord('0')) * 100; $val += (ord($this->data[$i*3+1]) - ord('0')) * 10; $val += (ord($this->data[$i*3+2]) - ord('0')); $bs->appendNum(10, $val); } if($this->size - $words * 3 == 1) { $val = ord($this->data[$words*3]) - ord('0'); $bs->appendNum(4, $val); } else if($this->size - $words * 3 == 2) { $val = (ord($this->data[$words*3 ]) - ord('0')) * 10; $val += (ord($this->data[$words*3+1]) - ord('0')); $bs->appendNum(7, $val); } $this->bstream = $bs; return 0; } catch (Exception $e) { return -1; } } //---------------------------------------------------------------------- public function encodeModeAn($version) { try { $words = (int)($this->size / 2); $bs = new QRbitstream(); $bs->appendNum(4, 0x02); $bs->appendNum(QRspec::lengthIndicator(QR_MODE_AN, $version), $this->size); for($i=0; $idata[$i*2 ])) * 45; $val += (int)QRinput::lookAnTable(ord($this->data[$i*2+1])); $bs->appendNum(11, $val); } if($this->size & 1) { $val = QRinput::lookAnTable(ord($this->data[$words * 2])); $bs->appendNum(6, $val); } $this->bstream = $bs; return 0; } catch (Exception $e) { return -1; } } //---------------------------------------------------------------------- public function encodeMode8($version) { try { $bs = new QRbitstream(); $bs->appendNum(4, 0x4); $bs->appendNum(QRspec::lengthIndicator(QR_MODE_8, $version), $this->size); for($i=0; $isize; $i++) { $bs->appendNum(8, ord($this->data[$i])); } $this->bstream = $bs; return 0; } catch (Exception $e) { return -1; } } //---------------------------------------------------------------------- public function encodeModeKanji($version) { try { $bs = new QRbitrtream(); $bs->appendNum(4, 0x8); $bs->appendNum(QRspec::lengthIndicator(QR_MODE_KANJI, $version), (int)($this->size / 2)); for($i=0; $isize; $i+=2) { $val = (ord($this->data[$i]) data[$i+1]); if($val > 8) * 0xc0; $val = ($val & 0xff) + $h; $bs->appendNum(13, $val); } $this->bstream = $bs; return 0; } catch (Exception $e) { return -1; } } //---------------------------------------------------------------------- public function encodeModeStructure() { try { $bs = new QRbitstream(); $bs->appendNum(4, 0x03); $bs->appendNum(4, ord($this->data[1]) - 1); $bs->appendNum(4, ord($this->data[0]) - 1); $bs->appendNum(8, ord($this->data[2])); $this->bstream = $bs; return 0; } catch (Exception $e) { return -1; } } //---------------------------------------------------------------------- public function estimateBitStreamSizeOfEntry($version) { $bits = 0; if($version == 0) $version = 1; switch($this->mode) { case QR_MODE_NUM: $bits = QRinput::estimateBitsModeNum($this->size); break; case QR_MODE_AN: $bits = QRinput::estimateBitsModeAn($this->size); break; case QR_MODE_8: $bits = QRinput::estimateBitsMode8($this->size); break; case QR_MODE_KANJI: $bits = QRinput::estimateBitsModeKanji($this->size);break; case QR_MODE_STRUCTURE: return STRUCTURE_HEADER_BITS; default: return 0; } $l = QRspec::lengthIndicator($this->mode, $version); $m = 1 size + $m - 1) / $m); $bits += $num * (4 + $l); return $bits; } //---------------------------------------------------------------------- public function encodeBitStream($version) { try { unset($this->bstream); $words = QRspec::maximumWords($this->mode, $version); if($this->size > $words) { $st1 = new QRinputItem($this->mode, $words, $this->data); $st2 = new QRinputItem($this->mode, $this->size - $words, array_slice($this->data, $words)); $st1->encodeBitStream($version); $st2->encodeBitStream($version); $this->bstream = new QRbitstream(); $this->bstream->append($st1->bstream); $this->bstream->append($st2->bstream); unset($st1); unset($st2); } else { $ret = 0; switch($this->mode) { case QR_MODE_NUM: $ret = $this->encodeModeNum($version); break; case QR_MODE_AN: $ret = $this->encodeModeAn($version); break; case QR_MODE_8: $ret = $this->encodeMode8($version); break; case QR_MODE_KANJI: $ret = $this->encodeModeKanji($version);break; case QR_MODE_STRUCTURE: $ret = $this->encodeModeStructure(); break; default: break; } if($ret bstream->size(); } catch (Exception $e) { return -1; } } }; //########################################################################## class QRinput { public $items; private $version; private $level; //---------------------------------------------------------------------- public function __construct($version = 0, $level = QR_ECLEVEL_L) { if ($version QRSPEC_VERSION_MAX || $level > QR_ECLEVEL_H) { throw new Exception('Invalid version no'); return NULL; } $this->version = $version; $this->level = $level; } //---------------------------------------------------------------------- public function getVersion() { return $this->version; } //---------------------------------------------------------------------- public function setVersion($version) { if($version QRSPEC_VERSION_MAX) { throw new Exception('Invalid version no'); return -1; } $this->version = $version; return 0; } //---------------------------------------------------------------------- public function getErrorCorrectionLevel() { return $this->level; } //---------------------------------------------------------------------- public function setErrorCorrectionLevel($level) { if($level > QR_ECLEVEL_H) { throw new Exception('Invalid ECLEVEL'); return -1; } $this->level = $level; return 0; } //---------------------------------------------------------------------- public function appendEntry(QRinputItem $entry) { $this->items[] = $entry; } //---------------------------------------------------------------------- public function append($mode, $size, $data) { try { $entry = new QRinputItem($mode, $size, $data); $this->items[] = $entry; return 0; } catch (Exception $e) { return -1; } } //---------------------------------------------------------------------- public function insertStructuredAppendHeader($size, $index, $parity) { if( $size > MAX_STRUCTURED_SYMBOLS ) { throw new Exception('insertStructuredAppendHeader wrong size'); } if( $index MAX_STRUCTURED_SYMBOLS ) { throw new Exception('insertStructuredAppendHeader wrong index'); } $buf = array($size, $index, $parity); try { $entry = new QRinputItem(QR_MODE_STRUCTURE, 3, buf); array_unshift($this->items, $entry); return 0; } catch (Exception $e) { return -1; } } //---------------------------------------------------------------------- public function calcParity() { $parity = 0; foreach($this->items as $item) { if($item->mode != QR_MODE_STRUCTURE) { for($i=$item->size-1; $i>=0; $i--) { $parity ^= $item->data[$i]; } } } return $parity; } //---------------------------------------------------------------------- public static function checkModeNum($size, $data) { for($i=0; $i ord('9'))){ return false; } } return true; } //---------------------------------------------------------------------- public static function estimateBitsModeNum($size) { $w = (int)$size / 3; $bits = $w * 10; switch($size - $w * 3) { case 1: $bits += 4; break; case 2: $bits += 7; break; default: break; } return $bits; } //---------------------------------------------------------------------- public static $anTable = array( -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 44, -1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 ); //---------------------------------------------------------------------- public static function lookAnTable($c) { return (($c > 127)?-1:self::$anTable[$c]); } //---------------------------------------------------------------------- public static function checkModeAn($size, $data) { for($i=0; $i 0x9ffc && $val 0xebbf) { return false; } } return true; } /*********************************************************************** * Validation **********************************************************************/ public static function check($mode, $size, $data) { if($size items as $item) { $bits += $item->estimateBitStreamSizeOfEntry($version); } return $bits; } //---------------------------------------------------------------------- public function estimateVersion() { $version = 0; $prev = 0; do { $prev = $version; $bits = $this->estimateBitStreamSize($prev); $version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level); if ($version $prev); return $version; } //---------------------------------------------------------------------- public static function lengthOfCode($mode, $version, $bits) { $payload = $bits - 4 - QRspec::lengthIndicator($mode, $version); switch($mode) { case QR_MODE_NUM: $chunks = (int)($payload / 10); $remain = $payload - $chunks * 10; $size = $chunks * 3; if($remain >= 7) { $size += 2; } else if($remain >= 4) { $size += 1; } break; case QR_MODE_AN: $chunks = (int)($payload / 11); $remain = $payload - $chunks * 11; $size = $chunks * 2; if($remain >= 6) $size++; break; case QR_MODE_8: $size = (int)($payload / 8); break; case QR_MODE_KANJI: $size = (int)(($payload / 13) * 2); break; case QR_MODE_STRUCTURE: $size = (int)($payload / 8); break; default: $size = 0; break; } $maxsize = QRspec::maximumWords($mode, $version); if($size $maxsize) $size = $maxsize; return $size; } //---------------------------------------------------------------------- public function createBitStream() { $to

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