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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 $barcode_array = false; 57 58 /** 59 * This is the class constructor. 60 * Return an array representations for 2D barcodes:<ul> 61 * <li>$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 $code (string) code to print 66 * @param $type (string) type of barcode: <ul><li>DATAMATRIX : Datamatrix (ISO/IEC 16022)</li><li>PDF417 : PDF417 (ISO/IEC 15438:2006)</li><li>PDF417,a,e,t,s,f,o0,o1,o2,o3,o4,o5,o6 : PDF417 with parameters: a = aspect ratio (width/height); e = error correction level (0-8); t = total number of macro segments; s = macro segment index (0-99998); f = file ID; o0 = File Name (text); o1 = Segment Count (numeric); o2 = Time Stamp (numeric); o3 = Sender (text); o4 = Addressee (text); o5 = File Size (numeric); o6 = Checksum (numeric). NOTES: Parameters t, s and f are required for a Macro Control Block, all other parametrs are optional. To use a comma character ',' on text options, replace it with the character 255: "\xff".</li><li>QRCODE : QRcode Low error correction</li><li>QRCODE,L : QRcode Low error correction</li><li>QRCODE,M : QRcode Medium error correction</li><li>QRCODE,Q : QRcode Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li><li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>TEST : Test matrix</li></ul> 67 */ 68 public function __construct($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 $w (int) Width of a single rectangle element in user units. 83 * @param $h (int) Height of a single rectangle element in user units. 84 * @param $color (string) Foreground color (in SVG format) for bar elements (background is transparent). 85 * @public 86 */ 87 public function getBarcodeSVG($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 $w (int) Width of a single rectangle element in user units. 103 * @param $h (int) Height of a single rectangle element in user units. 104 * @param $color (string) Foreground color (in SVG format) for bar elements (background is transparent). 105 * @return string SVG code. 106 * @public 107 */ 108 public function getBarcodeSVGcode($w=3, $h=3, $color='black') { 109 // replace table for special characters 110 $repstr = array("\0" => '', '&' => '&', '<' => '<', '>' => '>'); 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 $w (int) Width of a single rectangle element in pixels. 139 * @param $h (int) Height of a single rectangle element in pixels. 140 * @param $color (string) Foreground color for bar elements (background is transparent). 141 * @return string HTML code. 142 * @public 143 */ 144 public function getBarcodeHTML($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;"> </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 $w (int) Width of a single rectangle element in pixels. 168 * @param $h (int) Height of a single rectangle element in pixels. 169 * @param $color (array) RGB (0-255) foreground color for bar elements (background is transparent). 170 * @public 171 */ 172 public function getBarcodePNG($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 $w (int) Width of a single rectangle element in pixels. 188 * @param $h (int) Height of a single rectangle element in pixels. 189 * @param $color (array) RGB (0-255) foreground color for bar elements (background is transparent). 190 * @return image or false in case of error. 191 * @public 192 */ 193 public function getBarcodePngData($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 $code (string) code to print 249 * @param $type (string) type of barcode: <ul><li>DATAMATRIX : Datamatrix (ISO/IEC 16022)</li><li>PDF417 : PDF417 (ISO/IEC 15438:2006)</li><li>PDF417,a,e,t,s,f,o0,o1,o2,o3,o4,o5,o6 : PDF417 with parameters: a = aspect ratio (width/height); e = error correction level (0-8); t = total number of macro segments; s = macro segment index (0-99998); f = file ID; o0 = File Name (text); o1 = Segment Count (numeric); o2 = Time Stamp (numeric); o3 = Sender (text); o4 = Addressee (text); o5 = File Size (numeric); o6 = Checksum (numeric). NOTES: Parameters t, s and f are required for a Macro Control Block, all other parametrs are optional. To use a comma character ',' on text options, replace it with the character 255: "\xff".</li><li>QRCODE : QRcode Low error correction</li><li>QRCODE,L : QRcode Low error correction</li><li>QRCODE,M : QRcode Medium error correction</li><li>QRCODE,Q : QRcode Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li><li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>TEST : Test matrix</li></ul> 250 * @return array 251 */ 252 public function setBarcode($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 = false; 342 } 343 } 344 } 345 } // end of class 346 347 //============================================================+ 348 // END OF FILE 349 //============================================================+
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