vendor/phpqrcode/bindings/tcpdf/qrcode.php

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<?php
//============================================================+
// File name   : qrcode.php
// Begin       : 2010-03-22
// Last Update : 2010-03-29
// Version     : 1.0.002
// License     : GNU LGPL v.3 (http://www.gnu.org/copyleft/lesser.html)
// 	----------------------------------------------------------------------------
//
// 	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
//  or browse http://www.gnu.org/copyleft/lesser.html
//
//  ----------------------------------------------------------------------------
//
// DESCRIPTION :
//
// Class to create QR-code arrays for TCPDF class.
// QR Code symbol is a 2D barcode that can be scanned by
// handy terminals such as a mobile phone with CCD.
// The capacity of QR Code is up to 7000 digits or 4000
// characters, and has high robustness.
// This class supports QR Code model 2, described in
// JIS (Japanese Industrial Standards) X0510:2004
// or ISO/IEC 18004.
// Currently the following features are not supported:
// ECI and FNC1 mode, Micro QR Code, QR Code model 1,
// Structured mode.
//
// This class is derived from the following projects:
// ---------------------------------------------------------
// "PHP QR Code encoder"
// License: GNU-LGPLv3
// Copyright (C) 2010 by Dominik Dzienia <deltalab at poczta dot fm>
// http://phpqrcode.sourceforge.net/
// https://sourceforge.net/projects/phpqrcode/
//
// The "PHP QR Code encoder" is based on
// "C libqrencode library" (ver. 3.1.1)
// License: GNU-LGPL 2.1
// Copyright (C) 2006-2010 by Kentaro Fukuchi
// http://megaui.net/fukuchi/works/qrencode/index.en.html
//
// Reed-Solomon code encoder is written by Phil Karn, KA9Q.
// Copyright (C) 2002-2006 Phil Karn, KA9Q
//
// QR Code is registered trademark of DENSO WAVE INCORPORATED
// http://www.denso-wave.com/qrcode/index-e.html
// ---------------------------------------------------------