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1277 lines
42 KiB
PHP
1277 lines
42 KiB
PHP
<?php
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/*
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* PHP QR Code encoder
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*
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* This file contains MERGED version of PHP QR Code library.
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* It was auto-generated from full version for your convenience.
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*
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* This merged version was configured to not requre any external files,
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* with disabled cache, error loging and weker but faster mask matching.
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* If you need tune it up please use non-merged version.
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*
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* For full version, documentation, examples of use please visit:
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*
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* http://phpqrcode.sourceforge.net/
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* https://sourceforge.net/projects/phpqrcode/
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* Version: 1.1.4
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* Build: 2010100721
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*/
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//---- qrconst.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Common constants
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*
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* Based on libqrencode C library distributed under LGPL 2.1
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// Encoding modes
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define('QR_MODE_NUL', -1);
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define('QR_MODE_NUM', 0);
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define('QR_MODE_AN', 1);
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define('QR_MODE_8', 2);
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define('QR_MODE_KANJI', 3);
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define('QR_MODE_STRUCTURE', 4);
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// Levels of error correction.
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define('QR_ECLEVEL_L', 0);
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define('QR_ECLEVEL_M', 1);
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define('QR_ECLEVEL_Q', 2);
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define('QR_ECLEVEL_H', 3);
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// Supported output formats
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define('QR_FORMAT_TEXT', 0);
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define('QR_FORMAT_PNG', 1);
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class qrstr {
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public static function set(&$srctab, $x, $y, $repl, $replLen = false) {
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$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl));
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}
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}
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//---- merged_config.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Config file, tuned-up for merged verion
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*/
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define('QR_CACHEABLE', false); // use cache - more disk reads but less CPU power, masks and format templates are stored there
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define('QR_CACHE_DIR', false); // used when QR_CACHEABLE === true
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define('QR_LOG_DIR', false); // default error logs dir
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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
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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
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define('QR_DEFAULT_MASK', 2); // when QR_FIND_BEST_MASK === false
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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
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//---- qrtools.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Toolset, handy and debug utilites.
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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//##########################################################################
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QRtools::markTime('start');
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//---- qrspec.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* QR Code specifications
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*
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* Based on libqrencode C library distributed under LGPL 2.1
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* The following data / specifications are taken from
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* "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)
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* or
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* "Automatic identification and data capture techniques --
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* QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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define('QRSPEC_VERSION_MAX', 40);
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define('QRSPEC_WIDTH_MAX', 177);
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define('QRCAP_WIDTH', 0);
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define('QRCAP_WORDS', 1);
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define('QRCAP_REMINDER', 2);
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define('QRCAP_EC', 3);
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//---- qrimage.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Image output of code using GD2
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
|
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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define('QR_IMAGE', true);
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//---- qrinput.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Input encoding class
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*
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* Based on libqrencode C library distributed under LGPL 2.1
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* This library is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
|
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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define('STRUCTURE_HEADER_BITS', 20);
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define('MAX_STRUCTURED_SYMBOLS', 16);
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//##########################################################################
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//---- qrbitstream.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Bitstream class
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*
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* Based on libqrencode C library distributed under LGPL 2.1
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* This library is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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//---- qrsplit.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Input splitting classes
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*
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* Based on libqrencode C library distributed under LGPL 2.1
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* The following data / specifications are taken from
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* "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)
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* or
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* "Automatic identification and data capture techniques --
|
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* 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
|
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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* Lesser General Public License for more details.
|
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*
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* You should have received a copy of the GNU Lesser General Public
|
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* License along with this library; if not, write to the Free Software
|
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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//---- qrrscode.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Reed-Solomon error correction support
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*
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* Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q
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* (libfec is released under the GNU Lesser General Public License.)
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*
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* Based on libqrencode C library distributed under LGPL 2.1
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
|
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* 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
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* version 3 of the License, or any later version.
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*
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* 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.
|
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*
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* 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
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*/
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//##########################################################################
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class QRrs {
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public static $items = array();
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//----------------------------------------------------------------------
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public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
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{
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foreach(self::$items as $rs) {
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if($rs->pad != $pad) continue;
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if($rs->nroots != $nroots) continue;
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if($rs->mm != $symsize) continue;
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if($rs->gfpoly != $gfpoly) continue;
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if($rs->fcr != $fcr) continue;
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if($rs->prim != $prim) continue;
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return $rs;
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}
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$rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);
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array_unshift(self::$items, $rs);
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return $rs;
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}
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}
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//---- qrmask.php -----------------------------
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/*
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* PHP QR Code encoder
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*
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* Masking
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*
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* Based on libqrencode C library distributed under LGPL 2.1
|
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* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
|
|
*
|
|
* 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
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*/
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define('N1', 3);
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define('N2', 3);
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define('N3', 40);
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define('N4', 10);
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class QRmask {
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public $runLength = array();
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//----------------------------------------------------------------------
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public function __construct()
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{
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$this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);
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}
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//----------------------------------------------------------------------
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public function writeFormatInformation($width, &$frame, $mask, $level)
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{
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$blacks = 0;
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$format = QRspec::getFormatInfo($mask, $level);
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for($i=0; $i<8; $i++) {
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if($format & 1) {
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$blacks += 2;
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$v = 0x85;
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} else {
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$v = 0x84;
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}
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$frame[8][$width - 1 - $i] = chr($v);
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if($i < 6) {
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$frame[$i][8] = chr($v);
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} else {
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$frame[$i + 1][8] = chr($v);
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}
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$format = $format >> 1;
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}
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for($i=0; $i<7; $i++) {
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if($format & 1) {
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$blacks += 2;
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$v = 0x85;
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} else {
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$v = 0x84;
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}
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$frame[$width - 7 + $i][8] = chr($v);
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if($i == 0) {
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$frame[8][7] = chr($v);
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} else {
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$frame[8][6 - $i] = chr($v);
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}
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$format = $format >> 1;
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}
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return $blacks;
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}
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//----------------------------------------------------------------------
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public function mask0($x, $y) { return ($x+$y)&1; }
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public function mask1($x, $y) { return ($y&1); }
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public function mask2($x, $y) { return ($x%3); }
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public function mask3($x, $y) { return ($x+$y)%3; }
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public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }
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public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3; }
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public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1; }
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public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1; }
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|
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//----------------------------------------------------------------------
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private function generateMaskNo($maskNo, $width, $frame)
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{
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$bitMask = array_fill(0, $width, array_fill(0, $width, 0));
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|
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for($y=0; $y<$width; $y++) {
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for($x=0; $x<$width; $x++) {
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if(ord($frame[$y][$x]) & 0x80) {
|
|
$bitMask[$y][$x] = 0;
|
|
} else {
|
|
$maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);
|
|
$bitMask[$y][$x] = ($maskFunc == 0)?1:0;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
return $bitMask;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public static function serial($bitFrame)
|
|
{
|
|
$codeArr = array();
|
|
|
|
foreach ($bitFrame as $line)
|
|
$codeArr[] = join('', $line);
|
|
|
|
return gzcompress(join("\n", $codeArr), 9);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public static function unserial($code)
|
|
{
|
|
$codeArr = array();
|
|
|
|
$codeLines = explode("\n", gzuncompress($code));
|
|
foreach ($codeLines as $line)
|
|
$codeArr[] = str_split($line);
|
|
|
|
return $codeArr;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false)
|
|
{
|
|
$b = 0;
|
|
$bitMask = array();
|
|
|
|
$fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';
|
|
|
|
if (QR_CACHEABLE) {
|
|
if (file_exists($fileName)) {
|
|
$bitMask = self::unserial(file_get_contents($fileName));
|
|
} else {
|
|
$bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
|
|
if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo))
|
|
mkdir(QR_CACHE_DIR.'mask_'.$maskNo);
|
|
file_put_contents($fileName, self::serial($bitMask));
|
|
}
|
|
} else {
|
|
$bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
|
|
}
|
|
|
|
if ($maskGenOnly)
|
|
return;
|
|
|
|
$d = $s;
|
|
|
|
for($y=0; $y<$width; $y++) {
|
|
for($x=0; $x<$width; $x++) {
|
|
if($bitMask[$y][$x] == 1) {
|
|
$d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);
|
|
}
|
|
$b += (int)(ord($d[$y][$x]) & 1);
|
|
}
|
|
}
|
|
|
|
return $b;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function makeMask($width, $frame, $maskNo, $level)
|
|
{
|
|
$masked = array_fill(0, $width, str_repeat("\0", $width));
|
|
$this->makeMaskNo($maskNo, $width, $frame, $masked);
|
|
$this->writeFormatInformation($width, $masked, $maskNo, $level);
|
|
|
|
return $masked;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function calcN1N3($length)
|
|
{
|
|
$demerit = 0;
|
|
|
|
for($i=0; $i<$length; $i++) {
|
|
|
|
if($this->runLength[$i] >= 5) {
|
|
$demerit += (N1 + ($this->runLength[$i] - 5));
|
|
}
|
|
if($i & 1) {
|
|
if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {
|
|
$fact = (int)($this->runLength[$i] / 3);
|
|
if(($this->runLength[$i-2] == $fact) &&
|
|
($this->runLength[$i-1] == $fact) &&
|
|
($this->runLength[$i+1] == $fact) &&
|
|
($this->runLength[$i+2] == $fact)) {
|
|
if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {
|
|
$demerit += N3;
|
|
} else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {
|
|
$demerit += N3;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $demerit;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function evaluateSymbol($width, $frame)
|
|
{
|
|
$head = 0;
|
|
$demerit = 0;
|
|
|
|
for($y=0; $y<$width; $y++) {
|
|
$head = 0;
|
|
$this->runLength[0] = 1;
|
|
|
|
$frameY = $frame[$y];
|
|
|
|
if ($y>0)
|
|
$frameYM = $frame[$y-1];
|
|
|
|
for($x=0; $x<$width; $x++) {
|
|
if(($x > 0) && ($y > 0)) {
|
|
$b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);
|
|
$w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);
|
|
|
|
if(($b22 | ($w22 ^ 1))&1) {
|
|
$demerit += N2;
|
|
}
|
|
}
|
|
if(($x == 0) && (ord($frameY[$x]) & 1)) {
|
|
$this->runLength[0] = -1;
|
|
$head = 1;
|
|
$this->runLength[$head] = 1;
|
|
} else if($x > 0) {
|
|
if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {
|
|
$head++;
|
|
$this->runLength[$head] = 1;
|
|
} else {
|
|
$this->runLength[$head]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
$demerit += $this->calcN1N3($head+1);
|
|
}
|
|
|
|
for($x=0; $x<$width; $x++) {
|
|
$head = 0;
|
|
$this->runLength[0] = 1;
|
|
|
|
for($y=0; $y<$width; $y++) {
|
|
if($y == 0 && (ord($frame[$y][$x]) & 1)) {
|
|
$this->runLength[0] = -1;
|
|
$head = 1;
|
|
$this->runLength[$head] = 1;
|
|
} else if($y > 0) {
|
|
if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {
|
|
$head++;
|
|
$this->runLength[$head] = 1;
|
|
} else {
|
|
$this->runLength[$head]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
$demerit += $this->calcN1N3($head+1);
|
|
}
|
|
|
|
return $demerit;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
public function mask($width, $frame, $level)
|
|
{
|
|
$minDemerit = PHP_INT_MAX;
|
|
$bestMaskNum = 0;
|
|
$bestMask = array();
|
|
|
|
$checked_masks = array(0,1,2,3,4,5,6,7);
|
|
|
|
if (QR_FIND_FROM_RANDOM !== false) {
|
|
|
|
$howManuOut = 8-(QR_FIND_FROM_RANDOM % 9);
|
|
for ($i = 0; $i < $howManuOut; $i++) {
|
|
$remPos = rand (0, count($checked_masks)-1);
|
|
unset($checked_masks[$remPos]);
|
|
$checked_masks = array_values($checked_masks);
|
|
}
|
|
|
|
}
|
|
|
|
$bestMask = $frame;
|
|
|
|
foreach($checked_masks as $i) {
|
|
$mask = array_fill(0, $width, str_repeat("\0", $width));
|
|
|
|
$demerit = 0;
|
|
$blacks = 0;
|
|
$blacks = $this->makeMaskNo($i, $width, $frame, $mask);
|
|
$blacks += $this->writeFormatInformation($width, $mask, $i, $level);
|
|
$blacks = (int)(100 * $blacks / ($width * $width));
|
|
$demerit = (int)((int)(abs($blacks - 50) / 5) * N4);
|
|
$demerit += $this->evaluateSymbol($width, $mask);
|
|
|
|
if($demerit < $minDemerit) {
|
|
$minDemerit = $demerit;
|
|
$bestMask = $mask;
|
|
$bestMaskNum = $i;
|
|
}
|
|
}
|
|
|
|
return $bestMask;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
}
|
|
|
|
|
|
|
|
|
|
//---- qrencode.php -----------------------------
|
|
|
|
|
|
|
|
|
|
/*
|
|
* PHP QR Code encoder
|
|
*
|
|
* Main encoder classes.
|
|
*
|
|
* Based on libqrencode C library distributed under LGPL 2.1
|
|
* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
|
|
*
|
|
* 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 QRrsblock {
|
|
public $dataLength;
|
|
public $data = array();
|
|
public $eccLength;
|
|
public $ecc = array();
|
|
|
|
public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)
|
|
{
|
|
$rs->encode_rs_char($data, $ecc);
|
|
|
|
$this->dataLength = $dl;
|
|
$this->data = $data;
|
|
$this->eccLength = $el;
|
|
$this->ecc = $ecc;
|
|
}
|
|
};
|
|
|
|
//##########################################################################
|
|
|
|
class QRrawcode {
|
|
public $version;
|
|
public $datacode = array();
|
|
public $ecccode = array();
|
|
public $blocks;
|
|
public $rsblocks = array(); //of RSblock
|
|
public $count;
|
|
public $dataLength;
|
|
public $eccLength;
|
|
public $b1;
|
|
|
|
//----------------------------------------------------------------------
|
|
public function __construct(QRinput $input)
|
|
{
|
|
$spec = array(0,0,0,0,0);
|
|
|
|
$this->datacode = $input->getByteStream();
|
|
if(is_null($this->datacode)) {
|
|
throw new Exception('null imput string');
|
|
}
|
|
|
|
QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);
|
|
|
|
$this->version = $input->getVersion();
|
|
$this->b1 = QRspec::rsBlockNum1($spec);
|
|
$this->dataLength = QRspec::rsDataLength($spec);
|
|
$this->eccLength = QRspec::rsEccLength($spec);
|
|
$this->ecccode = array_fill(0, $this->eccLength, 0);
|
|
$this->blocks = QRspec::rsBlockNum($spec);
|
|
|
|
$ret = $this->init($spec);
|
|
if($ret < 0) {
|
|
throw new Exception('block alloc error');
|
|
return null;
|
|
}
|
|
|
|
$this->count = 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function init(array $spec)
|
|
{
|
|
$dl = QRspec::rsDataCodes1($spec);
|
|
$el = QRspec::rsEccCodes1($spec);
|
|
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
|
|
|
|
|
|
$blockNo = 0;
|
|
$dataPos = 0;
|
|
$eccPos = 0;
|
|
for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {
|
|
$ecc = array_slice($this->ecccode,$eccPos);
|
|
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
|
|
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
|
|
|
|
$dataPos += $dl;
|
|
$eccPos += $el;
|
|
$blockNo++;
|
|
}
|
|
|
|
if(QRspec::rsBlockNum2($spec) == 0)
|
|
return 0;
|
|
|
|
$dl = QRspec::rsDataCodes2($spec);
|
|
$el = QRspec::rsEccCodes2($spec);
|
|
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
|
|
|
|
if($rs == NULL) return -1;
|
|
|
|
for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {
|
|
$ecc = array_slice($this->ecccode,$eccPos);
|
|
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
|
|
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
|
|
|
|
$dataPos += $dl;
|
|
$eccPos += $el;
|
|
$blockNo++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function getCode()
|
|
{
|
|
$ret;
|
|
|
|
if($this->count < $this->dataLength) {
|
|
$row = $this->count % $this->blocks;
|
|
$col = $this->count / $this->blocks;
|
|
if($col >= $this->rsblocks[0]->dataLength) {
|
|
$row += $this->b1;
|
|
}
|
|
$ret = $this->rsblocks[$row]->data[$col];
|
|
} else if($this->count < $this->dataLength + $this->eccLength) {
|
|
$row = ($this->count - $this->dataLength) % $this->blocks;
|
|
$col = ($this->count - $this->dataLength) / $this->blocks;
|
|
$ret = $this->rsblocks[$row]->ecc[$col];
|
|
} else {
|
|
return 0;
|
|
}
|
|
$this->count++;
|
|
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
//##########################################################################
|
|
|
|
class QRcode {
|
|
|
|
public $version;
|
|
public $width;
|
|
public $data;
|
|
|
|
//----------------------------------------------------------------------
|
|
public function encodeMask(QRinput $input, $mask)
|
|
{
|
|
if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {
|
|
throw new Exception('wrong version');
|
|
}
|
|
if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {
|
|
throw new Exception('wrong level');
|
|
}
|
|
|
|
$raw = new QRrawcode($input);
|
|
|
|
QRtools::markTime('after_raw');
|
|
|
|
$version = $raw->version;
|
|
$width = QRspec::getWidth($version);
|
|
$frame = QRspec::newFrame($version);
|
|
|
|
$filler = new FrameFiller($width, $frame);
|
|
if(is_null($filler)) {
|
|
return NULL;
|
|
}
|
|
|
|
// inteleaved data and ecc codes
|
|
for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {
|
|
$code = $raw->getCode();
|
|
$bit = 0x80;
|
|
for($j=0; $j<8; $j++) {
|
|
$addr = $filler->next();
|
|
$filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));
|
|
$bit = $bit >> 1;
|
|
}
|
|
}
|
|
|
|
QRtools::markTime('after_filler');
|
|
|
|
unset($raw);
|
|
|
|
// remainder bits
|
|
$j = QRspec::getRemainder($version);
|
|
for($i=0; $i<$j; $i++) {
|
|
$addr = $filler->next();
|
|
$filler->setFrameAt($addr, 0x02);
|
|
}
|
|
|
|
$frame = $filler->frame;
|
|
unset($filler);
|
|
|
|
|
|
// masking
|
|
$maskObj = new QRmask();
|
|
if($mask < 0) {
|
|
|
|
if (QR_FIND_BEST_MASK) {
|
|
$masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());
|
|
} else {
|
|
$masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());
|
|
}
|
|
} else {
|
|
$masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());
|
|
}
|
|
|
|
if($masked == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
QRtools::markTime('after_mask');
|
|
|
|
$this->version = $version;
|
|
$this->width = $width;
|
|
$this->data = $masked;
|
|
|
|
return $this;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function encodeInput(QRinput $input)
|
|
{
|
|
return $this->encodeMask($input, -1);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function encodeString8bit($string, $version, $level)
|
|
{
|
|
if(string == NULL) {
|
|
throw new Exception('empty string!');
|
|
return NULL;
|
|
}
|
|
|
|
$input = new QRinput($version, $level);
|
|
if($input == NULL) return NULL;
|
|
|
|
$ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));
|
|
if($ret < 0) {
|
|
unset($input);
|
|
return NULL;
|
|
}
|
|
return $this->encodeInput($input);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function encodeString($string, $version, $level, $hint, $casesensitive)
|
|
{
|
|
|
|
if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {
|
|
throw new Exception('bad hint');
|
|
return NULL;
|
|
}
|
|
|
|
$input = new QRinput($version, $level);
|
|
if($input == NULL) return NULL;
|
|
|
|
$ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);
|
|
if($ret < 0) {
|
|
return NULL;
|
|
}
|
|
|
|
return $this->encodeInput($input);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false)
|
|
{
|
|
$enc = QRencode::factory($level, $size, $margin);
|
|
return $enc->encodePNG($text, $outfile, $saveandprint=false);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
|
|
{
|
|
$enc = QRencode::factory($level, $size, $margin);
|
|
return $enc->encode($text, $outfile);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
|
|
{
|
|
$enc = QRencode::factory($level, $size, $margin);
|
|
return $enc->encodeRAW($text, $outfile);
|
|
}
|
|
}
|
|
|
|
//##########################################################################
|
|
|
|
class FrameFiller {
|
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public $width;
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public $frame;
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public $x;
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public $y;
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public $dir;
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public $bit;
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//----------------------------------------------------------------------
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public function __construct($width, &$frame)
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{
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$this->width = $width;
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$this->frame = $frame;
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$this->x = $width - 1;
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$this->y = $width - 1;
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$this->dir = -1;
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$this->bit = -1;
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}
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//----------------------------------------------------------------------
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public function setFrameAt($at, $val)
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{
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$this->frame[$at['y']][$at['x']] = chr($val);
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}
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//----------------------------------------------------------------------
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public function getFrameAt($at)
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{
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return ord($this->frame[$at['y']][$at['x']]);
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}
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//----------------------------------------------------------------------
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public function next()
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{
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do {
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if($this->bit == -1) {
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$this->bit = 0;
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return array('x'=>$this->x, 'y'=>$this->y);
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}
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$x = $this->x;
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$y = $this->y;
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$w = $this->width;
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if($this->bit == 0) {
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$x--;
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$this->bit++;
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} else {
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$x++;
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$y += $this->dir;
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$this->bit--;
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}
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if($this->dir < 0) {
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if($y < 0) {
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$y = 0;
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$x -= 2;
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$this->dir = 1;
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if($x == 6) {
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$x--;
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$y = 9;
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}
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}
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} else {
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if($y == $w) {
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$y = $w - 1;
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$x -= 2;
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$this->dir = -1;
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if($x == 6) {
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$x--;
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$y -= 8;
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}
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}
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}
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if($x < 0 || $y < 0) return null;
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$this->x = $x;
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$this->y = $y;
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} while(ord($this->frame[$y][$x]) & 0x80);
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return array('x'=>$x, 'y'=>$y);
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}
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} ;
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//##########################################################################
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class QRencode {
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public $casesensitive = true;
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public $eightbit = false;
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public $version = 0;
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public $size = 3;
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public $margin = 4;
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public $structured = 0; // not supported yet
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public $level = QR_ECLEVEL_L;
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public $hint = QR_MODE_8;
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//----------------------------------------------------------------------
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public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)
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{
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$enc = new QRencode();
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$enc->size = $size;
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$enc->margin = $margin;
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switch ($level.'') {
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case '0':
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case '1':
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case '2':
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case '3':
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$enc->level = $level;
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break;
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case 'l':
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case 'L':
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$enc->level = QR_ECLEVEL_L;
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break;
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case 'm':
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case 'M':
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$enc->level = QR_ECLEVEL_M;
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break;
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case 'q':
|
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case 'Q':
|
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$enc->level = QR_ECLEVEL_Q;
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break;
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case 'h':
|
|
case 'H':
|
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$enc->level = QR_ECLEVEL_H;
|
|
break;
|
|
}
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|
|
|
return $enc;
|
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}
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|
|
|
//----------------------------------------------------------------------
|
|
public function encodeRAW($intext, $outfile = false)
|
|
{
|
|
$code = new QRcode();
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|
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if($this->eightbit) {
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$code->encodeString8bit($intext, $this->version, $this->level);
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} else {
|
|
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
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|
}
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|
|
return $code->data;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function encode($intext, $outfile = false)
|
|
{
|
|
$code = new QRcode();
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|
|
|
if($this->eightbit) {
|
|
$code->encodeString8bit($intext, $this->version, $this->level);
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|
} else {
|
|
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
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|
}
|
|
|
|
QRtools::markTime('after_encode');
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|
|
|
if ($outfile!== false) {
|
|
file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));
|
|
} else {
|
|
return QRtools::binarize($code->data);
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
public function encodePNG($intext, $outfile = false,$saveandprint=false)
|
|
{
|
|
try {
|
|
|
|
ob_start();
|
|
$tab = $this->encode($intext);
|
|
$err = ob_get_contents();
|
|
ob_end_clean();
|
|
|
|
if ($err != '')
|
|
QRtools::log($outfile, $err);
|
|
|
|
$maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));
|
|
|
|
QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);
|
|
|
|
} catch (Exception $e) {
|
|
|
|
QRtools::log($outfile, $e->getMessage());
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
|