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   1  <?php
   2  //============================================================+
   3  // File name   : tcpdf_barcodes_2d.php
   4  // Version     : 1.0.015
   5  // Begin       : 2009-04-07
   6  // Last Update : 2014-05-20
   7  // Author      : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - info@tecnick.com
   8  // License     : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
   9  // -------------------------------------------------------------------
  10  // Copyright (C) 2009-2014 Nicola Asuni - Tecnick.com LTD
  11  //
  12  // This file is part of TCPDF software library.
  13  //
  14  // TCPDF is free software: you can redistribute it and/or modify it
  15  // under the terms of the GNU Lesser General Public License as
  16  // published by the Free Software Foundation, either version 3 of the
  17  // License, or (at your option) any later version.
  18  //
  19  // TCPDF is distributed in the hope that it will be useful, but
  20  // WITHOUT ANY WARRANTY; without even the implied warranty of
  21  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  22  // See the GNU Lesser General Public License for more details.
  23  //
  24  // You should have received a copy of the GNU Lesser General Public License
  25  // along with TCPDF.  If not, see <http://www.gnu.org/licenses/>.
  26  //
  27  // See LICENSE.TXT file for more information.
  28  // -------------------------------------------------------------------
  29  //
  30  // Description : PHP class to creates array representations for
  31  //               2D barcodes to be used with TCPDF.
  32  //
  33  //============================================================+
  34  
  35  /**
  36   * @file
  37   * PHP class to creates array representations for 2D barcodes to be used with TCPDF.
  38   * @package com.tecnick.tcpdf
  39   * @author Nicola Asuni
  40   * @version 1.0.015
  41   */
  42  
  43  /**
  44   * @class TCPDF2DBarcode
  45   * PHP class to creates array representations for 2D barcodes to be used with TCPDF (http://www.tcpdf.org).
  46   * @package com.tecnick.tcpdf
  47   * @version 1.0.015
  48   * @author Nicola Asuni
  49   */
  50  class TCPDF2DBarcode {
  51  
  52  	 /**
  53  	  * Array representation of barcode.
  54  	  * @protected
  55  	  */
  56  	 protected $barcode_array = array();
  57  
  58  	 /**
  59  	  * This is the class constructor.
  60  	  * Return an array representations for 2D barcodes:<ul>
  61  	  * <li>$arrcode['code'] code to be printed on text label</li>
  62  	  * <li>$arrcode['num_rows'] required number of rows</li>
  63  	  * <li>$arrcode['num_cols'] required number of columns</li>
  64  	  * <li>$arrcode['bcode'][$r][$c] value of the cell is $r row and $c column (0 = transparent, 1 = black)</li></ul>
  65  	  * @param string $code code to print
  66   	  * @param string $type type of barcode: <ul><li>DATAMATRIX : Datamatrix (ISO/IEC 16022)</li><li>PDF417 : PDF417 (ISO/IEC 15438:2006)</li><li>PDF417,a,e,t,s,f,o0,o1,o2,o3,o4,o5,o6 : PDF417 with parameters: a = aspect ratio (width/height); e = error correction level (0-8); t = total number of macro segments; s = macro segment index (0-99998); f = file ID; o0 = File Name (text); o1 = Segment Count (numeric); o2 = Time Stamp (numeric); o3 = Sender (text); o4 = Addressee (text); o5 = File Size (numeric); o6 = Checksum (numeric). NOTES: Parameters t, s and f are required for a Macro Control Block, all other parameters are optional. To use a comma character ',' on text options, replace it with the character 255: "\xff".</li><li>QRCODE : QRcode Low error correction</li><li>QRCODE,L : QRcode Low error correction</li><li>QRCODE,M : QRcode Medium error correction</li><li>QRCODE,Q : QRcode Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li><li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>TEST : Test matrix</li></ul>
  67  	  */
  68  	public function __construct($code, $type) {
  69  	 	 $this->setBarcode($code, $type);
  70  	 }
  71  
  72  	 /**
  73  	  * Return an array representations of barcode.
  74   	  * @return array
  75  	  */
  76  	public function getBarcodeArray() {
  77  	 	 return $this->barcode_array;
  78  	 }
  79  
  80  	 /**
  81  	  * Send barcode as SVG image object to the standard output.
  82  	  * @param int $w Width of a single rectangle element in user units.
  83  	  * @param int $h Height of a single rectangle element in user units.
  84  	  * @param string $color Foreground color (in SVG format) for bar elements (background is transparent).
  85   	  * @public
  86  	  */
  87  	public function getBarcodeSVG($w=3, $h=3, $color='black') {
  88  	 	 // send headers
  89  	 	 $code = $this->getBarcodeSVGcode($w, $h, $color);
  90  	 	 header('Content-Type: application/svg+xml');
  91  	 	 header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
  92  	 	 header('Pragma: public');
  93  	 	 header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
  94  	 	 header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
  95  	 	 header('Content-Disposition: inline; filename="'.md5($code).'.svg";');
  96  	 	 //header('Content-Length: '.strlen($code));
  97  	 	 echo $code;
  98  	 }
  99  
 100  	 /**
 101  	  * Return a SVG string representation of barcode.
 102  	  * @param int $w Width of a single rectangle element in user units.
 103  	  * @param int $h Height of a single rectangle element in user units.
 104  	  * @param string $color Foreground color (in SVG format) for bar elements (background is transparent).
 105   	  * @return string SVG code.
 106   	  * @public
 107  	  */
 108  	public function getBarcodeSVGcode($w=3, $h=3, $color='black') {
 109  	 	 // replace table for special characters
 110  	 	 $repstr = array("\0" => '', '&' => '&amp;', '<' => '&lt;', '>' => '&gt;');
 111  	 	 $svg = '<'.'?'.'xml version="1.0" standalone="no"'.'?'.'>'."\n";
 112  	 	 $svg .= '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'."\n";
 113  	 	 $svg .= '<svg width="'.round(($this->barcode_array['num_cols'] * $w), 3).'" height="'.round(($this->barcode_array['num_rows'] * $h), 3).'" version="1.1" xmlns="http://www.w3.org/2000/svg">'."\n";
 114  	 	 $svg .= "\t".'<desc>'.strtr($this->barcode_array['code'], $repstr).'</desc>'."\n";
 115  	 	 $svg .= "\t".'<g id="elements" fill="'.$color.'" stroke="none">'."\n";
 116  	 	 // print barcode elements
 117  	 	 $y = 0;
 118  	 	 // for each row
 119  	 	 for ($r = 0; $r < $this->barcode_array['num_rows']; ++$r) {
 120  	 	 	 $x = 0;
 121  	 	 	 // for each column
 122  	 	 	 for ($c = 0; $c < $this->barcode_array['num_cols']; ++$c) {
 123  	 	 	 	 if ($this->barcode_array['bcode'][$r][$c] == 1) {
 124  	 	 	 	 	 // draw a single barcode cell
 125  	 	 	 	 	 $svg .= "\t\t".'<rect x="'.$x.'" y="'.$y.'" width="'.$w.'" height="'.$h.'" />'."\n";
 126  	 	 	 	 }
 127  	 	 	 	 $x += $w;
 128  	 	 	 }
 129  	 	 	 $y += $h;
 130  	 	 }
 131  	 	 $svg .= "\t".'</g>'."\n";
 132  	 	 $svg .= '</svg>'."\n";
 133  	 	 return $svg;
 134  	 }
 135  
 136  	 /**
 137  	  * Return an HTML representation of barcode.
 138  	  * @param int $w Width of a single rectangle element in pixels.
 139  	  * @param int $h Height of a single rectangle element in pixels.
 140  	  * @param string $color Foreground color for bar elements (background is transparent).
 141   	  * @return string HTML code.
 142   	  * @public
 143  	  */
 144  	public function getBarcodeHTML($w=10, $h=10, $color='black') {
 145  	 	 $html = '<div style="font-size:0;position:relative;width:'.($w * $this->barcode_array['num_cols']).'px;height:'.($h * $this->barcode_array['num_rows']).'px;">'."\n";
 146  	 	 // print barcode elements
 147  	 	 $y = 0;
 148  	 	 // for each row
 149  	 	 for ($r = 0; $r < $this->barcode_array['num_rows']; ++$r) {
 150  	 	 	 $x = 0;
 151  	 	 	 // for each column
 152  	 	 	 for ($c = 0; $c < $this->barcode_array['num_cols']; ++$c) {
 153  	 	 	 	 if ($this->barcode_array['bcode'][$r][$c] == 1) {
 154  	 	 	 	 	 // draw a single barcode cell
 155  	 	 	 	 	 $html .= '<div style="background-color:'.$color.';width:'.$w.'px;height:'.$h.'px;position:absolute;left:'.$x.'px;top:'.$y.'px;">&nbsp;</div>'."\n";
 156  	 	 	 	 }
 157  	 	 	 	 $x += $w;
 158  	 	 	 }
 159  	 	 	 $y += $h;
 160  	 	 }
 161  	 	 $html .= '</div>'."\n";
 162  	 	 return $html;
 163  	 }
 164  
 165  	 /**
 166  	  * Send a PNG image representation of barcode (requires GD or Imagick library).
 167  	  * @param int $w Width of a single rectangle element in pixels.
 168  	  * @param int $h Height of a single rectangle element in pixels.
 169  	  * @param array $color RGB (0-255) foreground color for bar elements (background is transparent).
 170   	  * @public
 171  	  */
 172  	public function getBarcodePNG($w=3, $h=3, $color=array(0,0,0)) {
 173  	 	 $data = $this->getBarcodePngData($w, $h, $color);
 174  	 	 // send headers
 175  	 	 header('Content-Type: image/png');
 176  	 	 header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
 177  	 	 header('Pragma: public');
 178  	 	 header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
 179  	 	 header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
 180  	 	 //header('Content-Length: '.strlen($data));
 181  	 	 echo $data;
 182  
 183  	 }
 184  
 185  	 /**
 186  	  * Return a PNG image representation of barcode (requires GD or Imagick library).
 187  	  * @param int $w Width of a single rectangle element in pixels.
 188  	  * @param int $h Height of a single rectangle element in pixels.
 189  	  * @param array $color RGB (0-255) foreground color for bar elements (background is transparent).
 190   	  * @return string|Imagick|false image or false in case of error.
 191   	  * @public
 192  	  */
 193  	public function getBarcodePngData($w=3, $h=3, $color=array(0,0,0)) {
 194  	 	 // calculate image size
 195  	 	 $width = ($this->barcode_array['num_cols'] * $w);
 196  	 	 $height = ($this->barcode_array['num_rows'] * $h);
 197  	 	 if (function_exists('imagecreate')) {
 198  	 	 	 // GD library
 199  	 	 	 $imagick = false;
 200  	 	 	 $png = imagecreate($width, $height);
 201  	 	 	 $bgcol = imagecolorallocate($png, 255, 255, 255);
 202  	 	 	 imagecolortransparent($png, $bgcol);
 203  	 	 	 $fgcol = imagecolorallocate($png, $color[0], $color[1], $color[2]);
 204  	 	 } elseif (extension_loaded('imagick')) {
 205  	 	 	 $imagick = true;
 206  	 	 	 $bgcol = new imagickpixel('rgb(255,255,255');
 207  	 	 	 $fgcol = new imagickpixel('rgb('.$color[0].','.$color[1].','.$color[2].')');
 208  	 	 	 $png = new Imagick();
 209  	 	 	 $png->newImage($width, $height, 'none', 'png');
 210  	 	 	 $bar = new imagickdraw();
 211  	 	 	 $bar->setfillcolor($fgcol);
 212  	 	 } else {
 213  	 	 	 return false;
 214  	 	 }
 215  	 	 // print barcode elements
 216  	 	 $y = 0;
 217  	 	 // for each row
 218  	 	 for ($r = 0; $r < $this->barcode_array['num_rows']; ++$r) {
 219  	 	 	 $x = 0;
 220  	 	 	 // for each column
 221  	 	 	 for ($c = 0; $c < $this->barcode_array['num_cols']; ++$c) {
 222  	 	 	 	 if ($this->barcode_array['bcode'][$r][$c] == 1) {
 223  	 	 	 	 	 // draw a single barcode cell
 224  	 	 	 	 	 if ($imagick) {
 225  	 	 	 	 	 	 $bar->rectangle($x, $y, ($x + $w - 1), ($y + $h - 1));
 226  	 	 	 	 	 } else {
 227  	 	 	 	 	 	 imagefilledrectangle($png, $x, $y, ($x + $w - 1), ($y + $h - 1), $fgcol);
 228  	 	 	 	 	 }
 229  	 	 	 	 }
 230  	 	 	 	 $x += $w;
 231  	 	 	 }
 232  	 	 	 $y += $h;
 233  	 	 }
 234  	 	 if ($imagick) {
 235  	 	 	 $png->drawimage($bar);
 236  	 	 	 return $png;
 237  	 	 } else {
 238  	 	 	 ob_start();
 239  	 	 	 imagepng($png);
 240  	 	 	 $imagedata = ob_get_clean();
 241  	 	 	 imagedestroy($png);
 242  	 	 	 return $imagedata;
 243  	 	 }
 244  	 }
 245  
 246  	 /**
 247  	  * Set the barcode.
 248  	  * @param string $code code to print
 249   	  * @param string $type type of barcode: <ul><li>DATAMATRIX : Datamatrix (ISO/IEC 16022)</li><li>PDF417 : PDF417 (ISO/IEC 15438:2006)</li><li>PDF417,a,e,t,s,f,o0,o1,o2,o3,o4,o5,o6 : PDF417 with parameters: a = aspect ratio (width/height); e = error correction level (0-8); t = total number of macro segments; s = macro segment index (0-99998); f = file ID; o0 = File Name (text); o1 = Segment Count (numeric); o2 = Time Stamp (numeric); o3 = Sender (text); o4 = Addressee (text); o5 = File Size (numeric); o6 = Checksum (numeric). NOTES: Parameters t, s and f are required for a Macro Control Block, all other parameters are optional. To use a comma character ',' on text options, replace it with the character 255: "\xff".</li><li>QRCODE : QRcode Low error correction</li><li>QRCODE,L : QRcode Low error correction</li><li>QRCODE,M : QRcode Medium error correction</li><li>QRCODE,Q : QRcode Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li><li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>TEST : Test matrix</li></ul>
 250   	  * @return void
 251  	  */
 252  	public function setBarcode($code, $type) {
 253  	 	 $mode = explode(',', $type);
 254  	 	 $qrtype = strtoupper($mode[0]);
 255  	 	 switch ($qrtype) {
 256  	 	 	 case 'DATAMATRIX': { // DATAMATRIX (ISO/IEC 16022)
 257  	 	 	 	 require_once(dirname(__FILE__).'/include/barcodes/datamatrix.php');
 258  	 	 	 	 $qrcode = new Datamatrix($code);
 259  	 	 	 	 $this->barcode_array = $qrcode->getBarcodeArray();
 260  	 	 	 	 $this->barcode_array['code'] = $code;
 261  	 	 	 	 break;
 262  	 	 	 }
 263  	 	 	 case 'PDF417': { // PDF417 (ISO/IEC 15438:2006)
 264  	 	 	 	 require_once(dirname(__FILE__).'/include/barcodes/pdf417.php');
 265  	 	 	 	 if (!isset($mode[1]) OR ($mode[1] === '')) {
 266  	 	 	 	 	 $aspectratio = 2; // default aspect ratio (width / height)
 267  	 	 	 	 } else {
 268  	 	 	 	 	 $aspectratio = floatval($mode[1]);
 269  	 	 	 	 }
 270  	 	 	 	 if (!isset($mode[2]) OR ($mode[2] === '')) {
 271  	 	 	 	 	 $ecl = -1; // default error correction level (auto)
 272  	 	 	 	 } else {
 273  	 	 	 	 	 $ecl = intval($mode[2]);
 274  	 	 	 	 }
 275  	 	 	 	 // set macro block
 276  	 	 	 	 $macro = array();
 277  	 	 	 	 if (isset($mode[3]) AND ($mode[3] !== '') AND isset($mode[4]) AND ($mode[4] !== '') AND isset($mode[5]) AND ($mode[5] !== '')) {
 278  	 	 	 	 	 $macro['segment_total'] = intval($mode[3]);
 279  	 	 	 	 	 $macro['segment_index'] = intval($mode[4]);
 280  	 	 	 	 	 $macro['file_id'] = strtr($mode[5], "\xff", ',');
 281  	 	 	 	 	 for ($i = 0; $i < 7; ++$i) {
 282  	 	 	 	 	 	 $o = $i + 6;
 283  	 	 	 	 	 	 if (isset($mode[$o]) AND ($mode[$o] !== '')) {
 284  	 	 	 	 	 	 	 // add option
 285  	 	 	 	 	 	 	 $macro['option_'.$i] = strtr($mode[$o], "\xff", ',');
 286  	 	 	 	 	 	 }
 287  	 	 	 	 	 }
 288  	 	 	 	 }
 289  	 	 	 	 $qrcode = new PDF417($code, $ecl, $aspectratio, $macro);
 290  	 	 	 	 $this->barcode_array = $qrcode->getBarcodeArray();
 291  	 	 	 	 $this->barcode_array['code'] = $code;
 292  	 	 	 	 break;
 293  	 	 	 }
 294  	 	 	 case 'QRCODE': { // QR-CODE
 295  	 	 	 	 require_once(dirname(__FILE__).'/include/barcodes/qrcode.php');
 296  	 	 	 	 if (!isset($mode[1]) OR (!in_array($mode[1],array('L','M','Q','H')))) {
 297  	 	 	 	 	 $mode[1] = 'L'; // Ddefault: Low error correction
 298  	 	 	 	 }
 299  	 	 	 	 $qrcode = new QRcode($code, strtoupper($mode[1]));
 300  	 	 	 	 $this->barcode_array = $qrcode->getBarcodeArray();
 301  	 	 	 	 $this->barcode_array['code'] = $code;
 302  	 	 	 	 break;
 303  	 	 	 }
 304  	 	 	 case 'RAW':
 305  	 	 	 case 'RAW2': { // RAW MODE
 306  	 	 	 	 // remove spaces
 307  	 	 	 	 $code = preg_replace('/[\s]*/si', '', $code);
 308  	 	 	 	 if (strlen($code) < 3) {
 309  	 	 	 	 	 break;
 310  	 	 	 	 }
 311  	 	 	 	 if ($qrtype == 'RAW') {
 312  	 	 	 	 	 // comma-separated rows
 313  	 	 	 	 	 $rows = explode(',', $code);
 314  	 	 	 	 } else { // RAW2
 315  	 	 	 	 	 // rows enclosed in square parentheses
 316  	 	 	 	 	 $code = substr($code, 1, -1);
 317  	 	 	 	 	 $rows = explode('][', $code);
 318  	 	 	 	 }
 319  	 	 	 	 $this->barcode_array['num_rows'] = count($rows);
 320  	 	 	 	 $this->barcode_array['num_cols'] = strlen($rows[0]);
 321  	 	 	 	 $this->barcode_array['bcode'] = array();
 322  	 	 	 	 foreach ($rows as $r) {
 323  	 	 	 	 	 $this->barcode_array['bcode'][] = str_split($r, 1);
 324  	 	 	 	 }
 325  	 	 	 	 $this->barcode_array['code'] = $code;
 326  	 	 	 	 break;
 327  	 	 	 }
 328  	 	 	 case 'TEST': { // TEST MODE
 329  	 	 	 	 $this->barcode_array['num_rows'] = 5;
 330  	 	 	 	 $this->barcode_array['num_cols'] = 15;
 331  	 	 	 	 $this->barcode_array['bcode'] = array(
 332  	 	 	 	 	 array(1,1,1,0,1,1,1,0,1,1,1,0,1,1,1),
 333  	 	 	 	 	 array(0,1,0,0,1,0,0,0,1,0,0,0,0,1,0),
 334  	 	 	 	 	 array(0,1,0,0,1,1,0,0,1,1,1,0,0,1,0),
 335  	 	 	 	 	 array(0,1,0,0,1,0,0,0,0,0,1,0,0,1,0),
 336  	 	 	 	 	 array(0,1,0,0,1,1,1,0,1,1,1,0,0,1,0));
 337  	 	 	 	 $this->barcode_array['code'] = $code;
 338  	 	 	 	 break;
 339  	 	 	 }
 340  	 	 	 default: {
 341  	 	 	 	 $this->barcode_array = array();
 342  	 	 	 }
 343  	 	 }
 344  	 }
 345  } // end of class
 346  
 347  //============================================================+
 348  // END OF FILE
 349  //============================================================+