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<?php |
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//============================================================+ |
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// File name : datamatrix.php |
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// Version : 1.0.008 |
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// Begin : 2010-06-07 |
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// Last Update : 2014-05-06 |
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// Author : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - [email protected] |
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// License : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html) |
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// ------------------------------------------------------------------- |
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// Copyright (C) 2010-2014 Nicola Asuni - Tecnick.com LTD |
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// |
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// This file is part of TCPDF software library. |
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// |
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// TCPDF is free software: you can redistribute it and/or modify it |
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// under the terms of the GNU Lesser General Public License as |
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// published by the Free Software Foundation, either version 3 of the |
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// License, or (at your option) any later version. |
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// |
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// TCPDF is distributed in the hope that it will be useful, but |
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// WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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// 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 |
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// along with TCPDF. If not, see <http://www.gnu.org/licenses/>. |
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// |
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// See LICENSE.TXT file for more information. |
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// ------------------------------------------------------------------- |
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// |
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// DESCRIPTION : |
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// |
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// Class to create DataMatrix ECC 200 barcode arrays for TCPDF class. |
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// DataMatrix (ISO/IEC 16022:2006) is a 2-dimensional bar code. |
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//============================================================+ |
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/** |
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* @file |
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* Class to create DataMatrix ECC 200 barcode arrays for TCPDF class. |
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* DataMatrix (ISO/IEC 16022:2006) is a 2-dimensional bar code. |
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* |
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* @package com.tecnick.tcpdf |
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* @author Nicola Asuni |
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* @version 1.0.008 |
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*/ |
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// custom definitions |
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if (!defined('DATAMATRIXDEFS')) { |
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/** |
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* Indicate that definitions for this class are set |
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*/ |
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define('DATAMATRIXDEFS', true); |
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// ----------------------------------------------------- |
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} // end of custom definitions |
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// #*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*# |
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/** |
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* ASCII encoding: ASCII character 0 to 127 (1 byte per CW) |
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*/ |
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define('ENC_ASCII', 0); |
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/** |
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* C40 encoding: Upper-case alphanumeric (3/2 bytes per CW) |
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*/ |
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define('ENC_C40', 1); |
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/** |
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* TEXT encoding: Lower-case alphanumeric (3/2 bytes per CW) |
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*/ |
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define('ENC_TXT', 2); |
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/** |
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* X12 encoding: ANSI X12 (3/2 byte per CW) |
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*/ |
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define('ENC_X12', 3); |
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/** |
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* EDIFACT encoding: ASCII character 32 to 94 (4/3 bytes per CW) |
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*/ |
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define('ENC_EDF', 4); |
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/** |
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* BASE 256 encoding: ASCII character 0 to 255 (1 byte per CW) |
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*/ |
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define('ENC_BASE256', 5); |
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/** |
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* ASCII extended encoding: ASCII character 128 to 255 (1/2 byte per CW) |
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*/ |
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define('ENC_ASCII_EXT', 6); |
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/** |
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* ASCII number encoding: ASCII digits (2 bytes per CW) |
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*/ |
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define('ENC_ASCII_NUM', 7); |
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/** |
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* @class Datamatrix |
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* Class to create DataMatrix ECC 200 barcode arrays for TCPDF class. |
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* DataMatrix (ISO/IEC 16022:2006) is a 2-dimensional bar code. |
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* |
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* @package com.tecnick.tcpdf |
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* @author Nicola Asuni |
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* @version 1.0.004 |
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*/ |
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class Datamatrix |
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{ |
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/** |
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* Barcode array to be returned which is readable by TCPDF. |
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* @protected |
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*/ |
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protected $barcode_array = array(); |
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/** |
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* Store last used encoding for data codewords. |
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* @protected |
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*/ |
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protected $last_enc = ENC_ASCII; |
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/** |
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* Table of Data Matrix ECC 200 Symbol Attributes:<ul> |
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* <li>total matrix rows (including finder pattern)</li> |
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* <li>total matrix cols (including finder pattern)</li> |
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* <li>total matrix rows (without finder pattern)</li> |
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* <li>total matrix cols (without finder pattern)</li> |
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* <li>region data rows (with finder pattern)</li> |
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* <li>region data col (with finder pattern)</li> |
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* <li>region data rows (without finder pattern)</li> |
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* <li>region data col (without finder pattern)</li> |
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* <li>horizontal regions</li> |
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* <li>vertical regions</li> |
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* <li>regions</li> |
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* <li>data codewords</li> |
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* <li>error codewords</li> |
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* <li>blocks</li> |
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* <li>data codewords per block</li> |
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* <li>error codewords per block</li> |
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* </ul> |
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* @protected |
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*/ |
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protected $symbattr = array( |
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// square form --------------------------------------------------------------------------------------- |
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array(0x00a,0x00a,0x008,0x008,0x00a,0x00a,0x008,0x008,0x001,0x001,0x001,0x003,0x005,0x001,0x003,0x005), // 10x10 |
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array(0x00c,0x00c,0x00a,0x00a,0x00c,0x00c,0x00a,0x00a,0x001,0x001,0x001,0x005,0x007,0x001,0x005,0x007), // 12x12 |
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array(0x00e,0x00e,0x00c,0x00c,0x00e,0x00e,0x00c,0x00c,0x001,0x001,0x001,0x008,0x00a,0x001,0x008,0x00a), // 14x14 |
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150
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array(0x010,0x010,0x00e,0x00e,0x010,0x010,0x00e,0x00e,0x001,0x001,0x001,0x00c,0x00c,0x001,0x00c,0x00c), // 16x16 |
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array(0x012,0x012,0x010,0x010,0x012,0x012,0x010,0x010,0x001,0x001,0x001,0x012,0x00e,0x001,0x012,0x00e), // 18x18 |
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array(0x014,0x014,0x012,0x012,0x014,0x014,0x012,0x012,0x001,0x001,0x001,0x016,0x012,0x001,0x016,0x012), // 20x20 |
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153
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array(0x016,0x016,0x014,0x014,0x016,0x016,0x014,0x014,0x001,0x001,0x001,0x01e,0x014,0x001,0x01e,0x014), // 22x22 |
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array(0x018,0x018,0x016,0x016,0x018,0x018,0x016,0x016,0x001,0x001,0x001,0x024,0x018,0x001,0x024,0x018), // 24x24 |
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array(0x01a,0x01a,0x018,0x018,0x01a,0x01a,0x018,0x018,0x001,0x001,0x001,0x02c,0x01c,0x001,0x02c,0x01c), // 26x26 |
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array(0x020,0x020,0x01c,0x01c,0x010,0x010,0x00e,0x00e,0x002,0x002,0x004,0x03e,0x024,0x001,0x03e,0x024), // 32x32 |
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array(0x024,0x024,0x020,0x020,0x012,0x012,0x010,0x010,0x002,0x002,0x004,0x056,0x02a,0x001,0x056,0x02a), // 36x36 |
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array(0x028,0x028,0x024,0x024,0x014,0x014,0x012,0x012,0x002,0x002,0x004,0x072,0x030,0x001,0x072,0x030), // 40x40 |
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array(0x02c,0x02c,0x028,0x028,0x016,0x016,0x014,0x014,0x002,0x002,0x004,0x090,0x038,0x001,0x090,0x038), // 44x44 |
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160
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array(0x030,0x030,0x02c,0x02c,0x018,0x018,0x016,0x016,0x002,0x002,0x004,0x0ae,0x044,0x001,0x0ae,0x044), // 48x48 |
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161
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array(0x034,0x034,0x030,0x030,0x01a,0x01a,0x018,0x018,0x002,0x002,0x004,0x0cc,0x054,0x002,0x066,0x02a), // 52x52 |
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array(0x040,0x040,0x038,0x038,0x010,0x010,0x00e,0x00e,0x004,0x004,0x010,0x118,0x070,0x002,0x08c,0x038), // 64x64 |
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array(0x048,0x048,0x040,0x040,0x012,0x012,0x010,0x010,0x004,0x004,0x010,0x170,0x090,0x004,0x05c,0x024), // 72x72 |
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array(0x050,0x050,0x048,0x048,0x014,0x014,0x012,0x012,0x004,0x004,0x010,0x1c8,0x0c0,0x004,0x072,0x030), // 80x80 |
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array(0x058,0x058,0x050,0x050,0x016,0x016,0x014,0x014,0x004,0x004,0x010,0x240,0x0e0,0x004,0x090,0x038), // 88x88 |
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166
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array(0x060,0x060,0x058,0x058,0x018,0x018,0x016,0x016,0x004,0x004,0x010,0x2b8,0x110,0x004,0x0ae,0x044), // 96x96 |
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167
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array(0x068,0x068,0x060,0x060,0x01a,0x01a,0x018,0x018,0x004,0x004,0x010,0x330,0x150,0x006,0x088,0x038), // 104x104 |
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168
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array(0x078,0x078,0x06c,0x06c,0x014,0x014,0x012,0x012,0x006,0x006,0x024,0x41a,0x198,0x006,0x0af,0x044), // 120x120 |
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169
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array(0x084,0x084,0x078,0x078,0x016,0x016,0x014,0x014,0x006,0x006,0x024,0x518,0x1f0,0x008,0x0a3,0x03e), // 132x132 |
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170
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array(0x090,0x090,0x084,0x084,0x018,0x018,0x016,0x016,0x006,0x006,0x024,0x616,0x26c,0x00a,0x09c,0x03e), // 144x144 |
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// rectangular form (currently unused) --------------------------------------------------------------------------- |
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array(0x008,0x012,0x006,0x010,0x008,0x012,0x006,0x010,0x001,0x001,0x001,0x005,0x007,0x001,0x005,0x007), // 8x18 |
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173
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array(0x008,0x020,0x006,0x01c,0x008,0x010,0x006,0x00e,0x001,0x002,0x002,0x00a,0x00b,0x001,0x00a,0x00b), // 8x32 |
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174
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array(0x00c,0x01a,0x00a,0x018,0x00c,0x01a,0x00a,0x018,0x001,0x001,0x001,0x010,0x00e,0x001,0x010,0x00e), // 12x26 |
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175
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array(0x00c,0x024,0x00a,0x020,0x00c,0x012,0x00a,0x010,0x001,0x002,0x002,0x00c,0x012,0x001,0x00c,0x012), // 12x36 |
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176
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array(0x010,0x024,0x00e,0x020,0x010,0x012,0x00e,0x010,0x001,0x002,0x002,0x020,0x018,0x001,0x020,0x018), // 16x36 |
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array(0x010,0x030,0x00e,0x02c,0x010,0x018,0x00e,0x016,0x001,0x002,0x002,0x031,0x01c,0x001,0x031,0x01c) // 16x48 |
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); |
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180
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/** |
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* Map encodation modes whit character sets. |
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* @protected |
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*/ |
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protected $chset_id = array(ENC_C40 => 'C40', ENC_TXT => 'TXT', ENC_X12 => 'X12'); |
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/** |
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* Basic set of characters for each encodation mode. |
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* @protected |
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*/ |
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protected $chset = array( |
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'C40' => array( // Basic set for C40 ---------------------------------------------------------------------------- |
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'S1' => 0x00,'S2' => 0x01,'S3' => 0x02,0x20 => 0x03,0x30 => 0x04,0x31 => 0x05,0x32 => 0x06,0x33 => 0x07,0x34 => 0x08,0x35 => 0x09, // |
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0x36 => 0x0a,0x37 => 0x0b,0x38 => 0x0c,0x39 => 0x0d,0x41 => 0x0e,0x42 => 0x0f,0x43 => 0x10,0x44 => 0x11,0x45 => 0x12,0x46 => 0x13, // |
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0x47 => 0x14,0x48 => 0x15,0x49 => 0x16,0x4a => 0x17,0x4b => 0x18,0x4c => 0x19,0x4d => 0x1a,0x4e => 0x1b,0x4f => 0x1c,0x50 => 0x1d, // |
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195
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0x51 => 0x1e,0x52 => 0x1f,0x53 => 0x20,0x54 => 0x21,0x55 => 0x22,0x56 => 0x23,0x57 => 0x24,0x58 => 0x25,0x59 => 0x26,0x5a => 0x27),// |
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'TXT' => array( // Basic set for TEXT --------------------------------------------------------------------------- |
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'S1' => 0x00,'S2' => 0x01,'S3' => 0x02,0x20 => 0x03,0x30 => 0x04,0x31 => 0x05,0x32 => 0x06,0x33 => 0x07,0x34 => 0x08,0x35 => 0x09, // |
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198
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0x36 => 0x0a,0x37 => 0x0b,0x38 => 0x0c,0x39 => 0x0d,0x61 => 0x0e,0x62 => 0x0f,0x63 => 0x10,0x64 => 0x11,0x65 => 0x12,0x66 => 0x13, // |
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199
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0x67 => 0x14,0x68 => 0x15,0x69 => 0x16,0x6a => 0x17,0x6b => 0x18,0x6c => 0x19,0x6d => 0x1a,0x6e => 0x1b,0x6f => 0x1c,0x70 => 0x1d, // |
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200
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0x71 => 0x1e,0x72 => 0x1f,0x73 => 0x20,0x74 => 0x21,0x75 => 0x22,0x76 => 0x23,0x77 => 0x24,0x78 => 0x25,0x79 => 0x26,0x7a => 0x27),// |
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201
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'SH1' => array( // Shift 1 set ---------------------------------------------------------------------------------- |
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0x00 => 0x00,0x01 => 0x01,0x02 => 0x02,0x03 => 0x03,0x04 => 0x04,0x05 => 0x05,0x06 => 0x06,0x07 => 0x07,0x08 => 0x08,0x09 => 0x09, // |
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203
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0x0a => 0x0a,0x0b => 0x0b,0x0c => 0x0c,0x0d => 0x0d,0x0e => 0x0e,0x0f => 0x0f,0x10 => 0x10,0x11 => 0x11,0x12 => 0x12,0x13 => 0x13, // |
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204
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0x14 => 0x14,0x15 => 0x15,0x16 => 0x16,0x17 => 0x17,0x18 => 0x18,0x19 => 0x19,0x1a => 0x1a,0x1b => 0x1b,0x1c => 0x1c,0x1d => 0x1d, // |
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0x1e => 0x1e,0x1f => 0x1f), // |
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'SH2' => array( // Shift 2 set ---------------------------------------------------------------------------------- |
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0x21 => 0x00,0x22 => 0x01,0x23 => 0x02,0x24 => 0x03,0x25 => 0x04,0x26 => 0x05,0x27 => 0x06,0x28 => 0x07,0x29 => 0x08,0x2a => 0x09, // |
|
208
|
|
|
0x2b => 0x0a,0x2c => 0x0b,0x2d => 0x0c,0x2e => 0x0d,0x2f => 0x0e,0x3a => 0x0f,0x3b => 0x10,0x3c => 0x11,0x3d => 0x12,0x3e => 0x13, // |
|
209
|
|
|
0x3f => 0x14,0x40 => 0x15,0x5b => 0x16,0x5c => 0x17,0x5d => 0x18,0x5e => 0x19,0x5f => 0x1a,'F1' => 0x1b,'US' => 0x1e), // |
|
210
|
|
|
'S3C' => array( // Shift 3 set for C40 -------------------------------------------------------------------------- |
|
211
|
|
|
0x60 => 0x00,0x61 => 0x01,0x62 => 0x02,0x63 => 0x03,0x64 => 0x04,0x65 => 0x05,0x66 => 0x06,0x67 => 0x07,0x68 => 0x08,0x69 => 0x09, // |
|
212
|
|
|
0x6a => 0x0a,0x6b => 0x0b,0x6c => 0x0c,0x6d => 0x0d,0x6e => 0x0e,0x6f => 0x0f,0x70 => 0x10,0x71 => 0x11,0x72 => 0x12,0x73 => 0x13, // |
|
213
|
|
|
0x74 => 0x14,0x75 => 0x15,0x76 => 0x16,0x77 => 0x17,0x78 => 0x18,0x79 => 0x19,0x7a => 0x1a,0x7b => 0x1b,0x7c => 0x1c,0x7d => 0x1d, // |
|
214
|
|
|
0x7e => 0x1e,0x7f => 0x1f), |
|
215
|
|
|
'S3T' => array( // Shift 3 set for TEXT ------------------------------------------------------------------------- |
|
216
|
|
|
0x60 => 0x00,0x41 => 0x01,0x42 => 0x02,0x43 => 0x03,0x44 => 0x04,0x45 => 0x05,0x46 => 0x06,0x47 => 0x07,0x48 => 0x08,0x49 => 0x09, // |
|
217
|
|
|
0x4a => 0x0a,0x4b => 0x0b,0x4c => 0x0c,0x4d => 0x0d,0x4e => 0x0e,0x4f => 0x0f,0x50 => 0x10,0x51 => 0x11,0x52 => 0x12,0x53 => 0x13, // |
|
218
|
|
|
0x54 => 0x14,0x55 => 0x15,0x56 => 0x16,0x57 => 0x17,0x58 => 0x18,0x59 => 0x19,0x5a => 0x1a,0x7b => 0x1b,0x7c => 0x1c,0x7d => 0x1d, // |
|
219
|
|
|
0x7e => 0x1e,0x7f => 0x1f), // |
|
220
|
|
|
'X12' => array( // Set for X12 ---------------------------------------------------------------------------------- |
|
221
|
|
|
0x0d => 0x00,0x2a => 0x01,0x3e => 0x02,0x20 => 0x03,0x30 => 0x04,0x31 => 0x05,0x32 => 0x06,0x33 => 0x07,0x34 => 0x08,0x35 => 0x09, // |
|
222
|
|
|
0x36 => 0x0a,0x37 => 0x0b,0x38 => 0x0c,0x39 => 0x0d,0x41 => 0x0e,0x42 => 0x0f,0x43 => 0x10,0x44 => 0x11,0x45 => 0x12,0x46 => 0x13, // |
|
223
|
|
|
0x47 => 0x14,0x48 => 0x15,0x49 => 0x16,0x4a => 0x17,0x4b => 0x18,0x4c => 0x19,0x4d => 0x1a,0x4e => 0x1b,0x4f => 0x1c,0x50 => 0x1d, // |
|
224
|
|
|
0x51 => 0x1e,0x52 => 0x1f,0x53 => 0x20,0x54 => 0x21,0x55 => 0x22,0x56 => 0x23,0x57 => 0x24,0x58 => 0x25,0x59 => 0x26,0x5a => 0x27) // |
|
225
|
|
|
); |
|
226
|
|
|
|
|
227
|
|
|
// ----------------------------------------------------------------------------- |
|
228
|
|
|
|
|
229
|
|
|
/** |
|
230
|
|
|
* This is the class constructor. |
|
231
|
|
|
* Creates a datamatrix object |
|
232
|
|
|
* @param string $code Code to represent using Datamatrix. |
|
233
|
|
|
* @public |
|
234
|
|
|
*/ |
|
235
|
|
|
public function __construct($code) |
|
236
|
|
|
{ |
|
237
|
|
|
$barcode_array = array(); |
|
238
|
|
|
if ((is_null($code)) or ($code == '\0') or ($code == '')) { |
|
239
|
|
|
return false; |
|
240
|
|
|
} |
|
241
|
|
|
// get data codewords |
|
242
|
|
|
$cw = $this->getHighLevelEncoding($code); |
|
243
|
|
|
// number of data codewords |
|
244
|
|
|
$nd = count($cw); |
|
245
|
|
|
// check size |
|
246
|
|
|
if ($nd > 1558) { |
|
247
|
|
|
return false; |
|
248
|
|
|
} |
|
249
|
|
|
// get minimum required matrix size. |
|
250
|
|
|
foreach ($this->symbattr as $params) { |
|
251
|
|
|
if ($params[11] >= $nd) { |
|
252
|
|
|
break; |
|
253
|
|
|
} |
|
254
|
|
|
} |
|
255
|
|
|
if ($params[11] < $nd) { |
|
256
|
|
|
// too much data |
|
257
|
|
|
return false; |
|
258
|
|
|
} elseif ($params[11] > $nd) { |
|
259
|
|
|
// add padding |
|
260
|
|
|
if ((($params[11] - $nd) > 1) and ($cw[($nd - 1)] != 254)) { |
|
261
|
|
|
if ($this->last_enc == ENC_EDF) { |
|
262
|
|
|
// switch to ASCII encoding |
|
263
|
|
|
$cw[] = 124; |
|
264
|
|
|
++$nd; |
|
265
|
|
|
} elseif (($this->last_enc != ENC_ASCII) and ($this->last_enc != ENC_BASE256)) { |
|
266
|
|
|
// switch to ASCII encoding |
|
267
|
|
|
$cw[] = 254; |
|
268
|
|
|
++$nd; |
|
269
|
|
|
} |
|
270
|
|
|
} |
|
271
|
|
|
if ($params[11] > $nd) { |
|
272
|
|
|
// add first pad |
|
273
|
|
|
$cw[] = 129; |
|
274
|
|
|
++$nd; |
|
275
|
|
|
// add remaining pads |
|
276
|
|
|
for ($i = $nd; $i < $params[11]; ++$i) { |
|
277
|
|
|
$cw[] = $this->get253StateCodeword(129, $i); |
|
278
|
|
|
} |
|
279
|
|
|
} |
|
280
|
|
|
} |
|
281
|
|
|
// add error correction codewords |
|
282
|
|
|
$cw = $this->getErrorCorrection($cw, $params[13], $params[14], $params[15]); |
|
283
|
|
|
// initialize empty arrays |
|
284
|
|
|
$grid = array_fill(0, ($params[2] * $params[3]), 0); |
|
285
|
|
|
// get placement map |
|
286
|
|
|
$places = $this->getPlacementMap($params[2], $params[3]); |
|
287
|
|
|
// fill the grid with data |
|
288
|
|
|
$grid = array(); |
|
289
|
|
|
$i = 0; |
|
290
|
|
|
// region data row max index |
|
291
|
|
|
$rdri = ($params[4] - 1); |
|
292
|
|
|
// region data column max index |
|
293
|
|
|
$rdci = ($params[5] - 1); |
|
294
|
|
|
// for each vertical region |
|
295
|
|
|
for ($vr = 0; $vr < $params[9]; ++$vr) { |
|
296
|
|
|
// for each row on region |
|
297
|
|
|
for ($r = 0; $r < $params[4]; ++$r) { |
|
298
|
|
|
// get row |
|
299
|
|
|
$row = (($vr * $params[4]) + $r); |
|
300
|
|
|
// for each horizontal region |
|
301
|
|
|
for ($hr = 0; $hr < $params[8]; ++$hr) { |
|
302
|
|
|
// for each column on region |
|
303
|
|
|
for ($c = 0; $c < $params[5]; ++$c) { |
|
304
|
|
|
// get column |
|
305
|
|
|
$col = (($hr * $params[5]) + $c); |
|
306
|
|
|
// braw bits by case |
|
307
|
|
|
if ($r == 0) { |
|
308
|
|
|
// top finder pattern |
|
309
|
|
|
if ($c % 2) { |
|
310
|
|
|
$grid[$row][$col] = 0; |
|
311
|
|
|
} else { |
|
312
|
|
|
$grid[$row][$col] = 1; |
|
313
|
|
|
} |
|
314
|
|
|
} elseif ($r == $rdri) { |
|
315
|
|
|
// bottom finder pattern |
|
316
|
|
|
$grid[$row][$col] = 1; |
|
317
|
|
|
} elseif ($c == 0) { |
|
318
|
|
|
// left finder pattern |
|
319
|
|
|
$grid[$row][$col] = 1; |
|
320
|
|
|
} elseif ($c == $rdci) { |
|
321
|
|
|
// right finder pattern |
|
322
|
|
|
if ($r % 2) { |
|
323
|
|
|
$grid[$row][$col] = 1; |
|
324
|
|
|
} else { |
|
325
|
|
|
$grid[$row][$col] = 0; |
|
326
|
|
|
} |
|
327
|
|
|
} else { // data bit |
|
328
|
|
|
if ($places[$i] < 2) { |
|
329
|
|
|
$grid[$row][$col] = $places[$i]; |
|
330
|
|
|
} else { |
|
331
|
|
|
// codeword ID |
|
332
|
|
|
$cw_id = (floor($places[$i] / 10) - 1); |
|
333
|
|
|
// codeword BIT mask |
|
334
|
|
|
$cw_bit = pow(2, (8 - ($places[$i] % 10))); |
|
335
|
|
|
$grid[$row][$col] = (($cw[$cw_id] & $cw_bit) == 0) ? 0 : 1; |
|
336
|
|
|
} |
|
337
|
|
|
++$i; |
|
338
|
|
|
} |
|
339
|
|
|
} |
|
340
|
|
|
} |
|
341
|
|
|
} |
|
342
|
|
|
} |
|
343
|
|
|
$this->barcode_array['num_rows'] = $params[0]; |
|
344
|
|
|
$this->barcode_array['num_cols'] = $params[1]; |
|
345
|
|
|
$this->barcode_array['bcode'] = $grid; |
|
346
|
|
|
} |
|
347
|
|
|
|
|
348
|
|
|
/** |
|
349
|
|
|
* Returns a barcode array which is readable by TCPDF |
|
350
|
|
|
* @return array barcode array readable by TCPDF; |
|
351
|
|
|
* @public |
|
352
|
|
|
*/ |
|
353
|
|
|
public function getBarcodeArray() |
|
354
|
|
|
{ |
|
355
|
|
|
return $this->barcode_array; |
|
356
|
|
|
} |
|
357
|
|
|
|
|
358
|
|
|
/** |
|
359
|
|
|
* Product of two numbers in a Power-of-Two Galois Field |
|
360
|
|
|
* @param int $a first number to multiply. |
|
361
|
|
|
* @param int $b second number to multiply. |
|
362
|
|
|
* @param array $log Log table. |
|
363
|
|
|
* @param array $alog Anti-Log table. |
|
364
|
|
|
* @param int $gf Number of Factors of the Reed-Solomon polynomial. |
|
365
|
|
|
* @return int product |
|
366
|
|
|
* @protected |
|
367
|
|
|
*/ |
|
368
|
|
|
protected function getGFProduct($a, $b, $log, $alog, $gf) |
|
369
|
|
|
{ |
|
370
|
|
|
if (($a == 0) or ($b == 0)) { |
|
371
|
|
|
return 0; |
|
372
|
|
|
} |
|
373
|
|
|
return ($alog[($log[$a] + $log[$b]) % ($gf - 1)]); |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
/** |
|
377
|
|
|
* Add error correction codewords to data codewords array (ANNEX E). |
|
378
|
|
|
* @param array $wd Array of datacodewords. |
|
379
|
|
|
* @param int $nb Number of blocks. |
|
380
|
|
|
* @param int $nd Number of data codewords per block. |
|
381
|
|
|
* @param int $nc Number of correction codewords per block. |
|
382
|
|
|
* @param int $gf numner of fields on log/antilog table (power of 2). |
|
383
|
|
|
* @param int $pp The value of its prime modulus polynomial (301 for ECC200). |
|
384
|
|
|
* @return array data codewords + error codewords |
|
385
|
|
|
* @protected |
|
386
|
|
|
*/ |
|
387
|
|
|
protected function getErrorCorrection($wd, $nb, $nd, $nc, $gf = 256, $pp = 301) |
|
388
|
|
|
{ |
|
389
|
|
|
// generate the log ($log) and antilog ($alog) tables |
|
390
|
|
|
$log[0] = 0; |
|
391
|
|
|
$alog[0] = 1; |
|
392
|
|
|
for ($i = 1; $i < $gf; ++$i) { |
|
393
|
|
|
$alog[$i] = ($alog[($i - 1)] * 2); |
|
394
|
|
|
if ($alog[$i] >= $gf) { |
|
395
|
|
|
$alog[$i] ^= $pp; |
|
396
|
|
|
} |
|
397
|
|
|
$log[$alog[$i]] = $i; |
|
398
|
|
|
} |
|
399
|
|
|
ksort($log); |
|
400
|
|
|
// generate the polynomial coefficients (c) |
|
401
|
|
|
$c = array_fill(0, ($nc + 1), 0); |
|
402
|
|
|
$c[0] = 1; |
|
403
|
|
|
for ($i = 1; $i <= $nc; ++$i) { |
|
404
|
|
|
$c[$i] = $c[($i - 1)]; |
|
405
|
|
|
for ($j = ($i - 1); $j >= 1; --$j) { |
|
406
|
|
|
$c[$j] = $c[($j - 1)] ^ $this->getGFProduct($c[$j], $alog[$i], $log, $alog, $gf); |
|
407
|
|
|
} |
|
408
|
|
|
$c[0] = $this->getGFProduct($c[0], $alog[$i], $log, $alog, $gf); |
|
409
|
|
|
} |
|
410
|
|
|
ksort($c); |
|
411
|
|
|
// total number of data codewords |
|
412
|
|
|
$num_wd = ($nb * $nd); |
|
413
|
|
|
// total number of error codewords |
|
414
|
|
|
$num_we = ($nb * $nc); |
|
415
|
|
|
// for each block |
|
416
|
|
|
for ($b = 0; $b < $nb; ++$b) { |
|
417
|
|
|
// create interleaved data block |
|
418
|
|
|
$block = array(); |
|
419
|
|
|
for ($n = $b; $n < $num_wd; $n += $nb) { |
|
420
|
|
|
$block[] = $wd[$n]; |
|
421
|
|
|
} |
|
422
|
|
|
// initialize error codewords |
|
423
|
|
|
$we = array_fill(0, ($nc + 1), 0); |
|
424
|
|
|
// calculate error correction codewords for this block |
|
425
|
|
|
for ($i = 0; $i < $nd; ++$i) { |
|
426
|
|
|
$k = ($we[0] ^ $block[$i]); |
|
427
|
|
|
for ($j = 0; $j < $nc; ++$j) { |
|
428
|
|
|
$we[$j] = ($we[($j + 1)] ^ $this->getGFProduct($k, $c[($nc - $j - 1)], $log, $alog, $gf)); |
|
429
|
|
|
} |
|
430
|
|
|
} |
|
431
|
|
|
// add error codewords at the end of data codewords |
|
432
|
|
|
$j = 0; |
|
433
|
|
|
for ($i = $b; $i < $num_we; $i += $nb) { |
|
434
|
|
|
$wd[($num_wd + $i)] = $we[$j]; |
|
435
|
|
|
++$j; |
|
436
|
|
|
} |
|
437
|
|
|
} |
|
438
|
|
|
// reorder codewords |
|
439
|
|
|
ksort($wd); |
|
440
|
|
|
return $wd; |
|
441
|
|
|
} |
|
442
|
|
|
|
|
443
|
|
|
/** |
|
444
|
|
|
* Return the 253-state codeword |
|
445
|
|
|
* @param int $cwpad Pad codeword. |
|
446
|
|
|
* @param int $cwpos Number of data codewords from the beginning of encoded data. |
|
447
|
|
|
* @return int pad codeword |
|
448
|
|
|
* @protected |
|
449
|
|
|
*/ |
|
450
|
|
|
protected function get253StateCodeword($cwpad, $cwpos) |
|
451
|
|
|
{ |
|
452
|
|
|
$pad = ($cwpad + (((149 * $cwpos) % 253) + 1)); |
|
453
|
|
|
if ($pad > 254) { |
|
454
|
|
|
$pad -= 254; |
|
455
|
|
|
} |
|
456
|
|
|
return $pad; |
|
457
|
|
|
} |
|
458
|
|
|
|
|
459
|
|
|
/** |
|
460
|
|
|
* Return the 255-state codeword |
|
461
|
|
|
* @param int $cwpad Pad codeword. |
|
462
|
|
|
* @param int $cwpos Number of data codewords from the beginning of encoded data. |
|
463
|
|
|
* @return int pad codeword |
|
464
|
|
|
* @protected |
|
465
|
|
|
*/ |
|
466
|
|
|
protected function get255StateCodeword($cwpad, $cwpos) |
|
467
|
|
|
{ |
|
468
|
|
|
$pad = ($cwpad + (((149 * $cwpos) % 255) + 1)); |
|
469
|
|
|
if ($pad > 255) { |
|
470
|
|
|
$pad -= 256; |
|
471
|
|
|
} |
|
472
|
|
|
return $pad; |
|
473
|
|
|
} |
|
474
|
|
|
|
|
475
|
|
|
/** |
|
476
|
|
|
* Returns true if the char belongs to the selected mode |
|
477
|
|
|
* @param int $chr Character (byte) to check. |
|
478
|
|
|
* @param int $mode Current encoding mode. |
|
479
|
|
|
* @return boolean true if the char is of the selected mode. |
|
480
|
|
|
* @protected |
|
481
|
|
|
*/ |
|
482
|
|
|
protected function isCharMode($chr, $mode) |
|
483
|
|
|
{ |
|
484
|
|
|
$status = false; |
|
485
|
|
|
switch ($mode) { |
|
486
|
|
|
case ENC_ASCII: { // ASCII character 0 to 127 |
|
487
|
|
|
$status = (($chr >= 0) and ($chr <= 127)); |
|
488
|
|
|
break; |
|
489
|
|
|
} |
|
490
|
|
|
case ENC_C40: { // Upper-case alphanumeric |
|
491
|
|
|
$status = (($chr == 32) or (($chr >= 48) and ($chr <= 57)) or (($chr >= 65) and ($chr <= 90))); |
|
492
|
|
|
break; |
|
493
|
|
|
} |
|
494
|
|
|
case ENC_TXT: { // Lower-case alphanumeric |
|
495
|
|
|
$status = (($chr == 32) or (($chr >= 48) and ($chr <= 57)) or (($chr >= 97) and ($chr <= 122))); |
|
496
|
|
|
break; |
|
497
|
|
|
} |
|
498
|
|
|
case ENC_X12: { // ANSI X12 |
|
499
|
|
|
$status = (($chr == 13) or ($chr == 42) or ($chr == 62)); |
|
500
|
|
|
break; |
|
501
|
|
|
} |
|
502
|
|
|
case ENC_EDF: { // ASCII character 32 to 94 |
|
503
|
|
|
$status = (($chr >= 32) and ($chr <= 94)); |
|
504
|
|
|
break; |
|
505
|
|
|
} |
|
506
|
|
|
case ENC_BASE256: { // Function character (FNC1, Structured Append, Reader Program, or Code Page) |
|
507
|
|
|
$status = (($chr == 232) or ($chr == 233) or ($chr == 234) or ($chr == 241)); |
|
508
|
|
|
break; |
|
509
|
|
|
} |
|
510
|
|
|
case ENC_ASCII_EXT: { // ASCII character 128 to 255 |
|
511
|
|
|
$status = (($chr >= 128) and ($chr <= 255)); |
|
512
|
|
|
break; |
|
513
|
|
|
} |
|
514
|
|
|
case ENC_ASCII_NUM: { // ASCII digits |
|
515
|
|
|
$status = (($chr >= 48) and ($chr <= 57)); |
|
516
|
|
|
break; |
|
517
|
|
|
} |
|
518
|
|
|
} |
|
519
|
|
|
return $status; |
|
520
|
|
|
} |
|
521
|
|
|
|
|
522
|
|
|
/** |
|
523
|
|
|
* The look-ahead test scans the data to be encoded to find the best mode (Annex P - steps from J to S). |
|
524
|
|
|
* @param string $data data to encode |
|
525
|
|
|
* @param int $pos current position |
|
526
|
|
|
* @param int $mode current encoding mode |
|
527
|
|
|
* @return int encoding mode |
|
528
|
|
|
* @protected |
|
529
|
|
|
*/ |
|
530
|
|
|
protected function lookAheadTest($data, $pos, $mode) |
|
531
|
|
|
{ |
|
532
|
|
|
$data_length = strlen($data); |
|
533
|
|
|
if ($pos >= $data_length) { |
|
534
|
|
|
return $mode; |
|
535
|
|
|
} |
|
536
|
|
|
$charscount = 0; // count processed chars |
|
537
|
|
|
// STEP J |
|
538
|
|
|
if ($mode == ENC_ASCII) { |
|
539
|
|
|
$numch = array(0, 1, 1, 1, 1, 1.25); |
|
540
|
|
|
} else { |
|
541
|
|
|
$numch = array(1, 2, 2, 2, 2, 2.25); |
|
542
|
|
|
$numch[$mode] = 0; |
|
543
|
|
|
} |
|
544
|
|
|
while (true) { |
|
545
|
|
|
// STEP K |
|
546
|
|
|
if (($pos + $charscount) == $data_length) { |
|
547
|
|
|
if ($numch[ENC_ASCII] <= ceil(min($numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_X12], $numch[ENC_EDF], $numch[ENC_BASE256]))) { |
|
548
|
|
|
return ENC_ASCII; |
|
549
|
|
|
} |
|
550
|
|
|
if ($numch[ENC_BASE256] < ceil(min($numch[ENC_ASCII], $numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_X12], $numch[ENC_EDF]))) { |
|
551
|
|
|
return ENC_BASE256; |
|
552
|
|
|
} |
|
553
|
|
|
if ($numch[ENC_EDF] < ceil(min($numch[ENC_ASCII], $numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_X12], $numch[ENC_BASE256]))) { |
|
554
|
|
|
return ENC_EDF; |
|
555
|
|
|
} |
|
556
|
|
|
if ($numch[ENC_TXT] < ceil(min($numch[ENC_ASCII], $numch[ENC_C40], $numch[ENC_X12], $numch[ENC_EDF], $numch[ENC_BASE256]))) { |
|
557
|
|
|
return ENC_TXT; |
|
558
|
|
|
} |
|
559
|
|
|
if ($numch[ENC_X12] < ceil(min($numch[ENC_ASCII], $numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_EDF], $numch[ENC_BASE256]))) { |
|
560
|
|
|
return ENC_X12; |
|
561
|
|
|
} |
|
562
|
|
|
return ENC_C40; |
|
563
|
|
|
} |
|
564
|
|
|
// get char |
|
565
|
|
|
$chr = ord($data[$pos + $charscount]); |
|
566
|
|
|
$charscount++; |
|
567
|
|
|
// STEP L |
|
568
|
|
|
if ($this->isCharMode($chr, ENC_ASCII_NUM)) { |
|
569
|
|
|
$numch[ENC_ASCII] += (1 / 2); |
|
570
|
|
|
} elseif ($this->isCharMode($chr, ENC_ASCII_EXT)) { |
|
571
|
|
|
$numch[ENC_ASCII] = ceil($numch[ENC_ASCII]); |
|
572
|
|
|
$numch[ENC_ASCII] += 2; |
|
573
|
|
|
} else { |
|
574
|
|
|
$numch[ENC_ASCII] = ceil($numch[ENC_ASCII]); |
|
575
|
|
|
$numch[ENC_ASCII] += 1; |
|
576
|
|
|
} |
|
577
|
|
|
// STEP M |
|
578
|
|
|
if ($this->isCharMode($chr, ENC_C40)) { |
|
579
|
|
|
$numch[ENC_C40] += (2 / 3); |
|
580
|
|
|
} elseif ($this->isCharMode($chr, ENC_ASCII_EXT)) { |
|
581
|
|
|
$numch[ENC_C40] += (8 / 3); |
|
582
|
|
|
} else { |
|
583
|
|
|
$numch[ENC_C40] += (4 / 3); |
|
584
|
|
|
} |
|
585
|
|
|
// STEP N |
|
586
|
|
|
if ($this->isCharMode($chr, ENC_TXT)) { |
|
587
|
|
|
$numch[ENC_TXT] += (2 / 3); |
|
588
|
|
|
} elseif ($this->isCharMode($chr, ENC_ASCII_EXT)) { |
|
589
|
|
|
$numch[ENC_TXT] += (8 / 3); |
|
590
|
|
|
} else { |
|
591
|
|
|
$numch[ENC_TXT] += (4 / 3); |
|
592
|
|
|
} |
|
593
|
|
|
// STEP O |
|
594
|
|
|
if ($this->isCharMode($chr, ENC_X12) or $this->isCharMode($chr, ENC_C40)) { |
|
595
|
|
|
$numch[ENC_X12] += (2 / 3); |
|
596
|
|
|
} elseif ($this->isCharMode($chr, ENC_ASCII_EXT)) { |
|
597
|
|
|
$numch[ENC_X12] += (13 / 3); |
|
598
|
|
|
} else { |
|
599
|
|
|
$numch[ENC_X12] += (10 / 3); |
|
600
|
|
|
} |
|
601
|
|
|
// STEP P |
|
602
|
|
|
if ($this->isCharMode($chr, ENC_EDF)) { |
|
603
|
|
|
$numch[ENC_EDF] += (3 / 4); |
|
604
|
|
|
} elseif ($this->isCharMode($chr, ENC_ASCII_EXT)) { |
|
605
|
|
|
$numch[ENC_EDF] += (17 / 4); |
|
606
|
|
|
} else { |
|
607
|
|
|
$numch[ENC_EDF] += (13 / 4); |
|
608
|
|
|
} |
|
609
|
|
|
// STEP Q |
|
610
|
|
|
if ($this->isCharMode($chr, ENC_BASE256)) { |
|
611
|
|
|
$numch[ENC_BASE256] += 4; |
|
612
|
|
|
} else { |
|
613
|
|
|
$numch[ENC_BASE256] += 1; |
|
614
|
|
|
} |
|
615
|
|
|
// STEP R |
|
616
|
|
|
if ($charscount >= 4) { |
|
617
|
|
|
if (($numch[ENC_ASCII] + 1) <= min($numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_X12], $numch[ENC_EDF], $numch[ENC_BASE256])) { |
|
618
|
|
|
return ENC_ASCII; |
|
619
|
|
|
} |
|
620
|
|
|
if ( |
|
621
|
|
|
(($numch[ENC_BASE256] + 1) <= $numch[ENC_ASCII]) |
|
622
|
|
|
or (($numch[ENC_BASE256] + 1) < min($numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_X12], $numch[ENC_EDF])) |
|
623
|
|
|
) { |
|
624
|
|
|
return ENC_BASE256; |
|
625
|
|
|
} |
|
626
|
|
|
if (($numch[ENC_EDF] + 1) < min($numch[ENC_ASCII], $numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_X12], $numch[ENC_BASE256])) { |
|
627
|
|
|
return ENC_EDF; |
|
628
|
|
|
} |
|
629
|
|
|
if (($numch[ENC_TXT] + 1) < min($numch[ENC_ASCII], $numch[ENC_C40], $numch[ENC_X12], $numch[ENC_EDF], $numch[ENC_BASE256])) { |
|
630
|
|
|
return ENC_TXT; |
|
631
|
|
|
} |
|
632
|
|
|
if (($numch[ENC_X12] + 1) < min($numch[ENC_ASCII], $numch[ENC_C40], $numch[ENC_TXT], $numch[ENC_EDF], $numch[ENC_BASE256])) { |
|
633
|
|
|
return ENC_X12; |
|
634
|
|
|
} |
|
635
|
|
|
if (($numch[ENC_C40] + 1) < min($numch[ENC_ASCII], $numch[ENC_TXT], $numch[ENC_EDF], $numch[ENC_BASE256])) { |
|
636
|
|
|
if ($numch[ENC_C40] < $numch[ENC_X12]) { |
|
637
|
|
|
return ENC_C40; |
|
638
|
|
|
} |
|
639
|
|
|
if ($numch[ENC_C40] == $numch[ENC_X12]) { |
|
640
|
|
|
$k = ($pos + $charscount + 1); |
|
641
|
|
|
while ($k < $data_length) { |
|
642
|
|
|
$tmpchr = ord($data[$k]); |
|
643
|
|
|
if ($this->isCharMode($tmpchr, ENC_X12)) { |
|
644
|
|
|
return ENC_X12; |
|
645
|
|
|
} elseif (!($this->isCharMode($tmpchr, ENC_X12) or $this->isCharMode($tmpchr, ENC_C40))) { |
|
646
|
|
|
break; |
|
647
|
|
|
} |
|
648
|
|
|
++$k; |
|
649
|
|
|
} |
|
650
|
|
|
return ENC_C40; |
|
651
|
|
|
} |
|
652
|
|
|
} |
|
653
|
|
|
} |
|
654
|
|
|
} // end of while |
|
655
|
|
|
} |
|
656
|
|
|
|
|
657
|
|
|
/** |
|
658
|
|
|
* Get the switching codeword to a new encoding mode (latch codeword) |
|
659
|
|
|
* @param int $mode New encoding mode. |
|
660
|
|
|
* @return int Switch codeword. |
|
661
|
|
|
* @protected |
|
662
|
|
|
*/ |
|
663
|
|
|
protected function getSwitchEncodingCodeword($mode) |
|
664
|
|
|
{ |
|
665
|
|
|
switch ($mode) { |
|
666
|
|
|
case ENC_ASCII: { // ASCII character 0 to 127 |
|
667
|
|
|
$cw = 254; |
|
668
|
|
|
if ($this->last_enc == ENC_EDF) { |
|
669
|
|
|
$cw = 124; |
|
670
|
|
|
} |
|
671
|
|
|
break; |
|
672
|
|
|
} |
|
673
|
|
|
case ENC_C40: { // Upper-case alphanumeric |
|
674
|
|
|
$cw = 230; |
|
675
|
|
|
break; |
|
676
|
|
|
} |
|
677
|
|
|
case ENC_TXT: { // Lower-case alphanumeric |
|
678
|
|
|
$cw = 239; |
|
679
|
|
|
break; |
|
680
|
|
|
} |
|
681
|
|
|
case ENC_X12: { // ANSI X12 |
|
682
|
|
|
$cw = 238; |
|
683
|
|
|
break; |
|
684
|
|
|
} |
|
685
|
|
|
case ENC_EDF: { // ASCII character 32 to 94 |
|
686
|
|
|
$cw = 240; |
|
687
|
|
|
break; |
|
688
|
|
|
} |
|
689
|
|
|
case ENC_BASE256: { // Function character (FNC1, Structured Append, Reader Program, or Code Page) |
|
690
|
|
|
$cw = 231; |
|
691
|
|
|
break; |
|
692
|
|
|
} |
|
693
|
|
|
} |
|
694
|
|
|
return $cw; |
|
695
|
|
|
} |
|
696
|
|
|
|
|
697
|
|
|
/** |
|
698
|
|
|
* Choose the minimum matrix size and return the max number of data codewords. |
|
699
|
|
|
* @param int $numcw Number of current codewords. |
|
700
|
|
|
* @return int number of data codewords in matrix |
|
701
|
|
|
* @protected |
|
702
|
|
|
*/ |
|
703
|
|
|
protected function getMaxDataCodewords($numcw) |
|
704
|
|
|
{ |
|
705
|
|
|
foreach ($this->symbattr as $key => $matrix) { |
|
706
|
|
|
if ($matrix[11] >= $numcw) { |
|
707
|
|
|
return $matrix[11]; |
|
708
|
|
|
} |
|
709
|
|
|
} |
|
710
|
|
|
return 0; |
|
711
|
|
|
} |
|
712
|
|
|
|
|
713
|
|
|
/** |
|
714
|
|
|
* Get high level encoding using the minimum symbol data characters for ECC 200 |
|
715
|
|
|
* @param string $data data to encode |
|
716
|
|
|
* @return array of codewords |
|
717
|
|
|
* @protected |
|
718
|
|
|
*/ |
|
719
|
|
|
protected function getHighLevelEncoding($data) |
|
720
|
|
|
{ |
|
721
|
|
|
// STEP A. Start in ASCII encodation. |
|
722
|
|
|
$enc = ENC_ASCII; // current encoding mode |
|
723
|
|
|
$pos = 0; // current position |
|
724
|
|
|
$cw = array(); // array of codewords to be returned |
|
725
|
|
|
$cw_num = 0; // number of data codewords |
|
726
|
|
|
$data_length = strlen($data); // number of chars |
|
727
|
|
|
while ($pos < $data_length) { |
|
728
|
|
|
// set last used encoding |
|
729
|
|
|
$this->last_enc = $enc; |
|
730
|
|
|
switch ($enc) { |
|
731
|
|
|
case ENC_ASCII: { // STEP B. While in ASCII encodation |
|
732
|
|
|
if (($data_length > 1) and ($pos < ($data_length - 1)) and ($this->isCharMode(ord($data[$pos]), ENC_ASCII_NUM) and $this->isCharMode(ord($data[$pos + 1]), ENC_ASCII_NUM))) { |
|
733
|
|
|
// 1. If the next data sequence is at least 2 consecutive digits, encode the next two digits as a double digit in ASCII mode. |
|
734
|
|
|
$cw[] = (intval(substr($data, $pos, 2)) + 130); |
|
735
|
|
|
++$cw_num; |
|
736
|
|
|
$pos += 2; |
|
737
|
|
|
} else { |
|
738
|
|
|
// 2. If the look-ahead test (starting at step J) indicates another mode, switch to that mode. |
|
739
|
|
|
$newenc = $this->lookAheadTest($data, $pos, $enc); |
|
740
|
|
|
if ($newenc != $enc) { |
|
741
|
|
|
// switch to new encoding |
|
742
|
|
|
$enc = $newenc; |
|
743
|
|
|
$cw[] = $this->getSwitchEncodingCodeword($enc); |
|
744
|
|
|
++$cw_num; |
|
745
|
|
|
} else { |
|
746
|
|
|
// get new byte |
|
747
|
|
|
$chr = ord($data[$pos]); |
|
748
|
|
|
++$pos; |
|
749
|
|
|
if ($this->isCharMode($chr, ENC_ASCII_EXT)) { |
|
750
|
|
|
// 3. If the next data character is extended ASCII (greater than 127) encode it in ASCII mode first using the Upper Shift (value 235) character. |
|
751
|
|
|
$cw[] = 235; |
|
752
|
|
|
$cw[] = ($chr - 127); |
|
753
|
|
|
$cw_num += 2; |
|
754
|
|
|
} else { |
|
755
|
|
|
// 4. Otherwise process the next data character in ASCII encodation. |
|
756
|
|
|
$cw[] = ($chr + 1); |
|
757
|
|
|
++$cw_num; |
|
758
|
|
|
} |
|
759
|
|
|
} |
|
760
|
|
|
} |
|
761
|
|
|
break; |
|
762
|
|
|
} |
|
763
|
|
|
case ENC_C40: // Upper-case alphanumeric |
|
764
|
|
|
case ENC_TXT: // Lower-case alphanumeric |
|
765
|
|
|
case ENC_X12 : { // ANSI X12 |
|
766
|
|
|
$temp_cw = array(); |
|
767
|
|
|
$p = 0; |
|
768
|
|
|
$epos = $pos; |
|
769
|
|
|
// get charset ID |
|
770
|
|
|
$set_id = $this->chset_id[$enc]; |
|
771
|
|
|
// get basic charset for current encoding |
|
772
|
|
|
$charset = $this->chset[$set_id]; |
|
773
|
|
|
do { |
|
774
|
|
|
// 2. process the next character in C40 encodation. |
|
775
|
|
|
$chr = ord($data[$epos]); |
|
776
|
|
|
++$epos; |
|
777
|
|
|
// check for extended character |
|
778
|
|
|
if ($chr & 0x80) { |
|
779
|
|
|
if ($enc == ENC_X12) { |
|
780
|
|
|
return false; |
|
781
|
|
|
} |
|
782
|
|
|
$chr = ($chr & 0x7f); |
|
783
|
|
|
$temp_cw[] = 1; // shift 2 |
|
784
|
|
|
$temp_cw[] = 30; // upper shift |
|
785
|
|
|
$p += 2; |
|
786
|
|
|
} |
|
787
|
|
|
if (isset($charset[$chr])) { |
|
788
|
|
|
$temp_cw[] = $charset[$chr]; |
|
789
|
|
|
++$p; |
|
790
|
|
|
} else { |
|
791
|
|
|
if (isset($this->chset['SH1'][$chr])) { |
|
792
|
|
|
$temp_cw[] = 0; // shift 1 |
|
793
|
|
|
$shiftset = $this->chset['SH1']; |
|
794
|
|
|
} elseif (isset($this->chset['SH2'][$chr])) { |
|
795
|
|
|
$temp_cw[] = 1; // shift 2 |
|
796
|
|
|
$shiftset = $this->chset['SH2']; |
|
797
|
|
|
} elseif (($enc == ENC_C40) and isset($this->chset['S3C'][$chr])) { |
|
798
|
|
|
$temp_cw[] = 2; // shift 3 |
|
799
|
|
|
$shiftset = $this->chset['S3C']; |
|
800
|
|
|
} elseif (($enc == ENC_TXT) and isset($this->chset['S3T'][$chr])) { |
|
801
|
|
|
$temp_cw[] = 2; // shift 3 |
|
802
|
|
|
$shiftset = $this->chset['S3T']; |
|
803
|
|
|
} else { |
|
804
|
|
|
return false; |
|
805
|
|
|
} |
|
806
|
|
|
$temp_cw[] = $shiftset[$chr]; |
|
807
|
|
|
$p += 2; |
|
808
|
|
|
} |
|
809
|
|
|
if ($p >= 3) { |
|
810
|
|
|
$c1 = array_shift($temp_cw); |
|
811
|
|
|
$c2 = array_shift($temp_cw); |
|
812
|
|
|
$c3 = array_shift($temp_cw); |
|
813
|
|
|
$p -= 3; |
|
814
|
|
|
$tmp = ((1600 * $c1) + (40 * $c2) + $c3 + 1); |
|
815
|
|
|
$cw[] = ($tmp >> 8); |
|
816
|
|
|
$cw[] = ($tmp % 256); |
|
817
|
|
|
$cw_num += 2; |
|
818
|
|
|
$pos = $epos; |
|
819
|
|
|
// 1. If the C40 encoding is at the point of starting a new double symbol character and if the look-ahead test (starting at step J) indicates another mode, switch to that mode. |
|
820
|
|
|
$newenc = $this->lookAheadTest($data, $pos, $enc); |
|
821
|
|
|
if ($newenc != $enc) { |
|
822
|
|
|
// switch to new encoding |
|
823
|
|
|
$enc = $newenc; |
|
824
|
|
|
if ($enc != ENC_ASCII) { |
|
825
|
|
|
// set unlatch character |
|
826
|
|
|
$cw[] = $this->getSwitchEncodingCodeword(ENC_ASCII); |
|
827
|
|
|
++$cw_num; |
|
828
|
|
|
} |
|
829
|
|
|
$cw[] = $this->getSwitchEncodingCodeword($enc); |
|
830
|
|
|
++$cw_num; |
|
831
|
|
|
$pos -= $p; |
|
832
|
|
|
$p = 0; |
|
833
|
|
|
break; |
|
834
|
|
|
} |
|
835
|
|
|
} |
|
836
|
|
|
} while (($p > 0) and ($epos < $data_length)); |
|
837
|
|
|
// process last data (if any) |
|
838
|
|
|
if ($p > 0) { |
|
839
|
|
|
// get remaining number of data symbols |
|
840
|
|
|
$cwr = ($this->getMaxDataCodewords($cw_num) - $cw_num); |
|
841
|
|
|
if (($cwr == 1) and ($p == 1)) { |
|
842
|
|
|
// d. If one symbol character remains and one C40 value (data character) remains to be encoded |
|
843
|
|
|
$c1 = array_shift($temp_cw); |
|
844
|
|
|
--$p; |
|
845
|
|
|
$cw[] = ($chr + 1); |
|
846
|
|
|
++$cw_num; |
|
847
|
|
|
$pos = $epos; |
|
848
|
|
|
$enc = ENC_ASCII; |
|
849
|
|
|
$this->last_enc = $enc; |
|
850
|
|
|
} elseif (($cwr == 2) and ($p == 1)) { |
|
851
|
|
|
// c. If two symbol characters remain and only one C40 value (data character) remains to be encoded |
|
852
|
|
|
$c1 = array_shift($temp_cw); |
|
853
|
|
|
--$p; |
|
854
|
|
|
$cw[] = 254; |
|
855
|
|
|
$cw[] = ($chr + 1); |
|
856
|
|
|
$cw_num += 2; |
|
857
|
|
|
$pos = $epos; |
|
858
|
|
|
$enc = ENC_ASCII; |
|
859
|
|
|
$this->last_enc = $enc; |
|
860
|
|
|
} elseif (($cwr == 2) and ($p == 2)) { |
|
861
|
|
|
// b. If two symbol characters remain and two C40 values remain to be encoded |
|
862
|
|
|
$c1 = array_shift($temp_cw); |
|
863
|
|
|
$c2 = array_shift($temp_cw); |
|
864
|
|
|
$p -= 2; |
|
865
|
|
|
$tmp = ((1600 * $c1) + (40 * $c2) + 1); |
|
866
|
|
|
$cw[] = ($tmp >> 8); |
|
867
|
|
|
$cw[] = ($tmp % 256); |
|
868
|
|
|
$cw_num += 2; |
|
869
|
|
|
$pos = $epos; |
|
870
|
|
|
$enc = ENC_ASCII; |
|
871
|
|
|
$this->last_enc = $enc; |
|
872
|
|
|
} else { |
|
873
|
|
|
// switch to ASCII encoding |
|
874
|
|
|
if ($enc != ENC_ASCII) { |
|
875
|
|
|
$enc = ENC_ASCII; |
|
876
|
|
|
$this->last_enc = $enc; |
|
877
|
|
|
$cw[] = $this->getSwitchEncodingCodeword($enc); |
|
878
|
|
|
++$cw_num; |
|
879
|
|
|
$pos = ($epos - $p); |
|
880
|
|
|
} |
|
881
|
|
|
} |
|
882
|
|
|
} |
|
883
|
|
|
break; |
|
884
|
|
|
} |
|
885
|
|
|
case ENC_EDF: { // F. While in EDIFACT (EDF) encodation |
|
886
|
|
|
// initialize temporary array with 0 length |
|
887
|
|
|
$temp_cw = array(); |
|
888
|
|
|
$epos = $pos; |
|
889
|
|
|
$field_length = 0; |
|
890
|
|
|
$newenc = $enc; |
|
891
|
|
|
do { |
|
892
|
|
|
// 2. process the next character in EDIFACT encodation. |
|
893
|
|
|
$chr = ord($data[$epos]); |
|
894
|
|
|
if ($this->isCharMode($chr, ENC_EDF)) { |
|
895
|
|
|
++$epos; |
|
896
|
|
|
$temp_cw[] = $chr; |
|
897
|
|
|
++$field_length; |
|
898
|
|
|
} |
|
899
|
|
|
if (($field_length == 4) or ($epos == $data_length) or !$this->isCharMode($chr, ENC_EDF)) { |
|
900
|
|
|
if (($epos == $data_length) and ($field_length < 3)) { |
|
901
|
|
|
$enc = ENC_ASCII; |
|
902
|
|
|
$cw[] = $this->getSwitchEncodingCodeword($enc); |
|
903
|
|
|
++$cw_num; |
|
904
|
|
|
break; |
|
905
|
|
|
} |
|
906
|
|
|
if ($field_length < 4) { |
|
907
|
|
|
// set unlatch character |
|
908
|
|
|
$temp_cw[] = 0x1f; |
|
909
|
|
|
++$field_length; |
|
910
|
|
|
// fill empty characters |
|
911
|
|
|
for ($i = $field_length; $i < 4; ++$i) { |
|
912
|
|
|
$temp_cw[] = 0; |
|
913
|
|
|
} |
|
914
|
|
|
$enc = ENC_ASCII; |
|
915
|
|
|
$this->last_enc = $enc; |
|
916
|
|
|
} |
|
917
|
|
|
// encodes four data characters in three codewords |
|
918
|
|
|
$tcw = (($temp_cw[0] & 0x3F) << 2) + (($temp_cw[1] & 0x30) >> 4); |
|
919
|
|
|
if ($tcw > 0) { |
|
920
|
|
|
$cw[] = $tcw; |
|
921
|
|
|
$cw_num++; |
|
922
|
|
|
} |
|
923
|
|
|
$tcw = (($temp_cw[1] & 0x0F) << 4) + (($temp_cw[2] & 0x3C) >> 2); |
|
924
|
|
|
if ($tcw > 0) { |
|
925
|
|
|
$cw[] = $tcw; |
|
926
|
|
|
$cw_num++; |
|
927
|
|
|
} |
|
928
|
|
|
$tcw = (($temp_cw[2] & 0x03) << 6) + ($temp_cw[3] & 0x3F); |
|
929
|
|
|
if ($tcw > 0) { |
|
930
|
|
|
$cw[] = $tcw; |
|
931
|
|
|
$cw_num++; |
|
932
|
|
|
} |
|
933
|
|
|
$temp_cw = array(); |
|
934
|
|
|
$pos = $epos; |
|
935
|
|
|
$field_length = 0; |
|
936
|
|
|
if ($enc == ENC_ASCII) { |
|
937
|
|
|
break; // exit from EDIFACT mode |
|
938
|
|
|
} |
|
939
|
|
|
} |
|
940
|
|
|
} while ($epos < $data_length); |
|
941
|
|
|
break; |
|
942
|
|
|
} |
|
943
|
|
|
case ENC_BASE256: { // G. While in Base 256 (B256) encodation |
|
944
|
|
|
// initialize temporary array with 0 length |
|
945
|
|
|
$temp_cw = array(); |
|
946
|
|
|
$field_length = 0; |
|
947
|
|
|
while (($pos < $data_length) and ($field_length <= 1555)) { |
|
948
|
|
|
$newenc = $this->lookAheadTest($data, $pos, $enc); |
|
949
|
|
|
if ($newenc != $enc) { |
|
950
|
|
|
// 1. If the look-ahead test (starting at step J) indicates another mode, switch to that mode. |
|
951
|
|
|
$enc = $newenc; |
|
952
|
|
|
break; // exit from B256 mode |
|
953
|
|
|
} else { |
|
954
|
|
|
// 2. Otherwise, process the next character in Base 256 encodation. |
|
955
|
|
|
$chr = ord($data[$pos]); |
|
956
|
|
|
++$pos; |
|
957
|
|
|
$temp_cw[] = $chr; |
|
958
|
|
|
++$field_length; |
|
959
|
|
|
} |
|
960
|
|
|
} |
|
961
|
|
|
// set field length |
|
962
|
|
|
if ($field_length <= 249) { |
|
963
|
|
|
$cw[] = $this->get255StateCodeword($field_length, ($cw_num + 1)); |
|
964
|
|
|
++$cw_num; |
|
965
|
|
|
} else { |
|
966
|
|
|
$cw[] = $this->get255StateCodeword((floor($field_length / 250) + 249), ($cw_num + 1)); |
|
967
|
|
|
$cw[] = $this->get255StateCodeword(($field_length % 250), ($cw_num + 2)); |
|
968
|
|
|
$cw_num += 2; |
|
969
|
|
|
} |
|
970
|
|
|
if (!empty($temp_cw)) { |
|
971
|
|
|
// add B256 field |
|
972
|
|
|
foreach ($temp_cw as $p => $cht) { |
|
973
|
|
|
$cw[] = $this->get255StateCodeword($cht, ($cw_num + $p + 1)); |
|
974
|
|
|
} |
|
975
|
|
|
} |
|
976
|
|
|
break; |
|
977
|
|
|
} |
|
978
|
|
|
} // end of switch enc |
|
979
|
|
|
} // end of while |
|
980
|
|
|
return $cw; |
|
981
|
|
|
} |
|
982
|
|
|
|
|
983
|
|
|
/** |
|
984
|
|
|
* Places "chr+bit" with appropriate wrapping within array[]. |
|
985
|
|
|
* (Annex F - ECC 200 symbol character placement) |
|
986
|
|
|
* @param array $marr Array of symbols. |
|
987
|
|
|
* @param int $nrow Number of rows. |
|
988
|
|
|
* @param int $ncol Number of columns. |
|
989
|
|
|
* @param int $row Row number. |
|
990
|
|
|
* @param int $col Column number. |
|
991
|
|
|
* @param int $chr Char byte. |
|
992
|
|
|
* @param int $bit Bit. |
|
993
|
|
|
* @return array |
|
994
|
|
|
* @protected |
|
995
|
|
|
*/ |
|
996
|
|
|
protected function placeModule($marr, $nrow, $ncol, $row, $col, $chr, $bit) |
|
997
|
|
|
{ |
|
998
|
|
|
if ($row < 0) { |
|
999
|
|
|
$row += $nrow; |
|
1000
|
|
|
$col += (4 - (($nrow + 4) % 8)); |
|
1001
|
|
|
} |
|
1002
|
|
|
if ($col < 0) { |
|
1003
|
|
|
$col += $ncol; |
|
1004
|
|
|
$row += (4 - (($ncol + 4) % 8)); |
|
1005
|
|
|
} |
|
1006
|
|
|
$marr[(($row * $ncol) + $col)] = ((10 * $chr) + $bit); |
|
1007
|
|
|
return $marr; |
|
1008
|
|
|
} |
|
1009
|
|
|
|
|
1010
|
|
|
/** |
|
1011
|
|
|
* Places the 8 bits of a utah-shaped symbol character. |
|
1012
|
|
|
* (Annex F - ECC 200 symbol character placement) |
|
1013
|
|
|
* @param array $marr Array of symbols. |
|
1014
|
|
|
* @param int $nrow Number of rows. |
|
1015
|
|
|
* @param int $ncol Number of columns. |
|
1016
|
|
|
* @param int $row Row number. |
|
1017
|
|
|
* @param int $col Column number. |
|
1018
|
|
|
* @param int $chr Char byte. |
|
1019
|
|
|
* @return array |
|
1020
|
|
|
* @protected |
|
1021
|
|
|
*/ |
|
1022
|
|
|
protected function placeUtah($marr, $nrow, $ncol, $row, $col, $chr) |
|
1023
|
|
|
{ |
|
1024
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row - 2, $col - 2, $chr, 1); |
|
1025
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row - 2, $col - 1, $chr, 2); |
|
1026
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row - 1, $col - 2, $chr, 3); |
|
1027
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row - 1, $col - 1, $chr, 4); |
|
1028
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row - 1, $col, $chr, 5); |
|
1029
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row, $col - 2, $chr, 6); |
|
1030
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row, $col - 1, $chr, 7); |
|
1031
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $row, $col, $chr, 8); |
|
1032
|
|
|
return $marr; |
|
1033
|
|
|
} |
|
1034
|
|
|
|
|
1035
|
|
|
/** |
|
1036
|
|
|
* Places the 8 bits of the first special corner case. |
|
1037
|
|
|
* (Annex F - ECC 200 symbol character placement) |
|
1038
|
|
|
* @param array $marr Array of symbols. |
|
1039
|
|
|
* @param int $nrow Number of rows. |
|
1040
|
|
|
* @param int $ncol Number of columns. |
|
1041
|
|
|
* @param int $chr Char byte. |
|
1042
|
|
|
* @return array |
|
1043
|
|
|
* @protected |
|
1044
|
|
|
*/ |
|
1045
|
|
|
protected function placeCornerA($marr, $nrow, $ncol, $chr) |
|
1046
|
|
|
{ |
|
1047
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 1, 0, $chr, 1); |
|
1048
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 1, 1, $chr, 2); |
|
1049
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 1, 2, $chr, 3); |
|
1050
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 2, $chr, 4); |
|
1051
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 1, $chr, 5); |
|
1052
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 1, $ncol - 1, $chr, 6); |
|
1053
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 2, $ncol - 1, $chr, 7); |
|
1054
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 3, $ncol - 1, $chr, 8); |
|
1055
|
|
|
return $marr; |
|
1056
|
|
|
} |
|
1057
|
|
|
|
|
1058
|
|
|
/** |
|
1059
|
|
|
* Places the 8 bits of the second special corner case. |
|
1060
|
|
|
* (Annex F - ECC 200 symbol character placement) |
|
1061
|
|
|
* @param array $marr Array of symbols. |
|
1062
|
|
|
* @param int $nrow Number of rows. |
|
1063
|
|
|
* @param int $ncol Number of columns. |
|
1064
|
|
|
* @param int $chr Char byte. |
|
1065
|
|
|
* @return array |
|
1066
|
|
|
* @protected |
|
1067
|
|
|
*/ |
|
1068
|
|
|
protected function placeCornerB($marr, $nrow, $ncol, $chr) |
|
1069
|
|
|
{ |
|
1070
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 3, 0, $chr, 1); |
|
1071
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 2, 0, $chr, 2); |
|
1072
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 1, 0, $chr, 3); |
|
1073
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 4, $chr, 4); |
|
1074
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 3, $chr, 5); |
|
1075
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 2, $chr, 6); |
|
1076
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 1, $chr, 7); |
|
1077
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 1, $ncol - 1, $chr, 8); |
|
1078
|
|
|
return $marr; |
|
1079
|
|
|
} |
|
1080
|
|
|
|
|
1081
|
|
|
/** |
|
1082
|
|
|
* Places the 8 bits of the third special corner case. |
|
1083
|
|
|
* (Annex F - ECC 200 symbol character placement) |
|
1084
|
|
|
* @param array $marr Array of symbols. |
|
1085
|
|
|
* @param int $nrow Number of rows. |
|
1086
|
|
|
* @param int $ncol Number of columns. |
|
1087
|
|
|
* @param int $chr Char byte. |
|
1088
|
|
|
* @return array |
|
1089
|
|
|
* @protected |
|
1090
|
|
|
*/ |
|
1091
|
|
|
protected function placeCornerC($marr, $nrow, $ncol, $chr) |
|
1092
|
|
|
{ |
|
1093
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 3, 0, $chr, 1); |
|
1094
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 2, 0, $chr, 2); |
|
1095
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 1, 0, $chr, 3); |
|
1096
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 2, $chr, 4); |
|
1097
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 1, $chr, 5); |
|
1098
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 1, $ncol - 1, $chr, 6); |
|
1099
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 2, $ncol - 1, $chr, 7); |
|
1100
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 3, $ncol - 1, $chr, 8); |
|
1101
|
|
|
return $marr; |
|
1102
|
|
|
} |
|
1103
|
|
|
|
|
1104
|
|
|
/** |
|
1105
|
|
|
* Places the 8 bits of the fourth special corner case. |
|
1106
|
|
|
* (Annex F - ECC 200 symbol character placement) |
|
1107
|
|
|
* @param array $marr Array of symbols. |
|
1108
|
|
|
* @param int $nrow Number of rows. |
|
1109
|
|
|
* @param int $ncol Number of columns. |
|
1110
|
|
|
* @param int $chr Char byte. |
|
1111
|
|
|
* @return array |
|
1112
|
|
|
* @protected |
|
1113
|
|
|
*/ |
|
1114
|
|
|
protected function placeCornerD($marr, $nrow, $ncol, $chr) |
|
1115
|
|
|
{ |
|
1116
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 1, 0, $chr, 1); |
|
1117
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, $nrow - 1, $ncol - 1, $chr, 2); |
|
1118
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 3, $chr, 3); |
|
1119
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 2, $chr, 4); |
|
1120
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 0, $ncol - 1, $chr, 5); |
|
1121
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 1, $ncol - 3, $chr, 6); |
|
1122
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 1, $ncol - 2, $chr, 7); |
|
1123
|
|
|
$marr = $this->placeModule($marr, $nrow, $ncol, 1, $ncol - 1, $chr, 8); |
|
1124
|
|
|
return $marr; |
|
1125
|
|
|
} |
|
1126
|
|
|
|
|
1127
|
|
|
/** |
|
1128
|
|
|
* Build a placement map. |
|
1129
|
|
|
* (Annex F - ECC 200 symbol character placement) |
|
1130
|
|
|
* @param int $nrow Number of rows. |
|
1131
|
|
|
* @param int $ncol Number of columns. |
|
1132
|
|
|
* @return array |
|
1133
|
|
|
* @protected |
|
1134
|
|
|
*/ |
|
1135
|
|
|
protected function getPlacementMap($nrow, $ncol) |
|
1136
|
|
|
{ |
|
1137
|
|
|
// initialize array with zeros |
|
1138
|
|
|
$marr = array_fill(0, ($nrow * $ncol), 0); |
|
1139
|
|
|
// set starting values |
|
1140
|
|
|
$chr = 1; |
|
1141
|
|
|
$row = 4; |
|
1142
|
|
|
$col = 0; |
|
1143
|
|
|
do { |
|
1144
|
|
|
// repeatedly first check for one of the special corner cases, then |
|
1145
|
|
|
if (($row == $nrow) and ($col == 0)) { |
|
1146
|
|
|
$marr = $this->placeCornerA($marr, $nrow, $ncol, $chr); |
|
1147
|
|
|
++$chr; |
|
1148
|
|
|
} |
|
1149
|
|
|
if (($row == ($nrow - 2)) and ($col == 0) and ($ncol % 4)) { |
|
1150
|
|
|
$marr = $this->placeCornerB($marr, $nrow, $ncol, $chr); |
|
1151
|
|
|
++$chr; |
|
1152
|
|
|
} |
|
1153
|
|
|
if (($row == ($nrow - 2)) and ($col == 0) and (($ncol % 8) == 4)) { |
|
1154
|
|
|
$marr = $this->placeCornerC($marr, $nrow, $ncol, $chr); |
|
1155
|
|
|
++$chr; |
|
1156
|
|
|
} |
|
1157
|
|
|
if (($row == ($nrow + 4)) and ($col == 2) and (!($ncol % 8))) { |
|
1158
|
|
|
$marr = $this->placeCornerD($marr, $nrow, $ncol, $chr); |
|
1159
|
|
|
++$chr; |
|
1160
|
|
|
} |
|
1161
|
|
|
// sweep upward diagonally, inserting successive characters, |
|
1162
|
|
|
do { |
|
1163
|
|
|
if (($row < $nrow) and ($col >= 0) and (!$marr[(($row * $ncol) + $col)])) { |
|
1164
|
|
|
$marr = $this->placeUtah($marr, $nrow, $ncol, $row, $col, $chr); |
|
1165
|
|
|
++$chr; |
|
1166
|
|
|
} |
|
1167
|
|
|
$row -= 2; |
|
1168
|
|
|
$col += 2; |
|
1169
|
|
|
} while (($row >= 0) and ($col < $ncol)); |
|
1170
|
|
|
++$row; |
|
1171
|
|
|
$col += 3; |
|
1172
|
|
|
// & then sweep downward diagonally, inserting successive characters,... |
|
1173
|
|
|
do { |
|
1174
|
|
|
if (($row >= 0) and ($col < $ncol) and (!$marr[(($row * $ncol) + $col)])) { |
|
1175
|
|
|
$marr = $this->placeUtah($marr, $nrow, $ncol, $row, $col, $chr); |
|
1176
|
|
|
++$chr; |
|
1177
|
|
|
} |
|
1178
|
|
|
$row += 2; |
|
1179
|
|
|
$col -= 2; |
|
1180
|
|
|
} while (($row < $nrow) and ($col >= 0)); |
|
1181
|
|
|
$row += 3; |
|
1182
|
|
|
++$col; |
|
1183
|
|
|
// ... until the entire array is scanned |
|
1184
|
|
|
} while (($row < $nrow) or ($col < $ncol)); |
|
1185
|
|
|
// lastly, if the lower righthand corner is untouched, fill in fixed pattern |
|
1186
|
|
|
if (!$marr[(($nrow * $ncol) - 1)]) { |
|
1187
|
|
|
$marr[(($nrow * $ncol) - 1)] = 1; |
|
1188
|
|
|
$marr[(($nrow * $ncol) - $ncol - 2)] = 1; |
|
1189
|
|
|
} |
|
1190
|
|
|
return $marr; |
|
1191
|
|
|
} |
|
1192
|
|
|
} // end DataMatrix class |
|
1193
|
|
|
//============================================================+ |
|
1194
|
|
|
// END OF FILE |
|
1195
|
|
|
//============================================================+ |
|
1196
|
|
|
|
alxarafe /
alixar
