tcpdf_barcodes_2d.php Quellcode

tcpdf_barcodes_2d.php
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1 <?php
2 //============================================================+
3 // File name : tcpdf_barcodes_2d.php
4 // Version : 1.0.014
5 // Begin : 2009-04-07
6 // Last Update : 2013-03-17
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) 2009-2013 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 
50 class TCPDF2DBarcode {
51 
56  protected $barcode_array = false;
57 
68  public function __construct($code, $type) {
69  $this->setBarcode($code, $type);
70  }
71 
76  public function getBarcodeArray() {
77  return $this->barcode_array;
78  }
79 
87  public function getBarcodeSVG($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 $code;
98  }
99 
108  public function getBarcodeSVGcode($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 $svg;
134  }
135 
144  public function getBarcodeHTML($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 $html;
163  }
164 
173  public function getBarcodePNG($w=3, $h=3, $color=array(0,0,0)) {
174  // calculate image size
175  $width = ($this->barcode_array['num_cols'] * $w);
176  $height = ($this->barcode_array['num_rows'] * $h);
177  if (function_exists('imagecreate')) {
178  // GD library
179  $imagick = false;
180  $png = imagecreate($width, $height);
181  $bgcol = imagecolorallocate($png, 255, 255, 255);
182  imagecolortransparent($png, $bgcol);
183  $fgcol = imagecolorallocate($png, $color[0], $color[1], $color[2]);
184  } elseif (extension_loaded('imagick')) {
185  $imagick = true;
186  $bgcol = new imagickpixel('rgb(255,255,255');
187  $fgcol = new imagickpixel('rgb('.$color[0].','.$color[1].','.$color[2].')');
188  $png = new Imagick();
189  $png->newImage($width, $height, 'none', 'png');
190  $bar = new imagickdraw();
191  $bar->setfillcolor($fgcol);
192  } else {
193  return false;
194  }
195  // print barcode elements
196  $y = 0;
197  // for each row
198  for ($r = 0; $r < $this->barcode_array['num_rows']; ++$r) {
199  $x = 0;
200  // for each column
201  for ($c = 0; $c < $this->barcode_array['num_cols']; ++$c) {
202  if ($this->barcode_array['bcode'][$r][$c] == 1) {
203  // draw a single barcode cell
204  if ($imagick) {
205  $bar->rectangle($x, $y, ($x + $w - 1), ($y + $h - 1));
206  } else {
207  imagefilledrectangle($png, $x, $y, ($x + $w - 1), ($y + $h - 1), $fgcol);
208  }
209  }
210  $x += $w;
211  }
212  $y += $h;
213  }
214  // send headers
215  header('Content-Type: image/png');
216  header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
217  header('Pragma: public');
218  header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
219  header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
220  if ($imagick) {
221  $png->drawimage($bar);
222  echo $png;
223  } else {
224  imagepng($png);
225  imagedestroy($png);
226  }
227  }
228 
235  public function setBarcode($code, $type) {
236  $mode = explode(',', $type);
237  $qrtype = strtoupper($mode[0]);
238  switch ($qrtype) {
239  case 'DATAMATRIX': { // DATAMATRIX (ISO/IEC 16022)
240  require_once(dirname(__FILE__).'/include/barcodes/datamatrix.php');
241  $qrcode = new Datamatrix($code);
242  $this->barcode_array = $qrcode->getBarcodeArray();
243  $this->barcode_array['code'] = $code;
244  break;
245  }
246  case 'PDF417': { // PDF417 (ISO/IEC 15438:2006)
247  require_once(dirname(__FILE__).'/include/barcodes/pdf417.php');
248  if (!isset($mode[1]) OR ($mode[1] === '')) {
249  $aspectratio = 2; // default aspect ratio (width / height)
250  } else {
251  $aspectratio = floatval($mode[1]);
252  }
253  if (!isset($mode[2]) OR ($mode[2] === '')) {
254  $ecl = -1; // default error correction level (auto)
255  } else {
256  $ecl = intval($mode[2]);
257  }
258  // set macro block
259  $macro = array();
260  if (isset($mode[3]) AND ($mode[3] !== '') AND isset($mode[4]) AND ($mode[4] !== '') AND isset($mode[5]) AND ($mode[5] !== '')) {
261  $macro['segment_total'] = intval($mode[3]);
262  $macro['segment_index'] = intval($mode[4]);
263  $macro['file_id'] = strtr($mode[5], "\xff", ',');
264  for ($i = 0; $i < 7; ++$i) {
265  $o = $i + 6;
266  if (isset($mode[$o]) AND ($mode[$o] !== '')) {
267  // add option
268  $macro['option_'.$i] = strtr($mode[$o], "\xff", ',');
269  }
270  }
271  }
272  $qrcode = new PDF417($code, $ecl, $aspectratio, $macro);
273  $this->barcode_array = $qrcode->getBarcodeArray();
274  $this->barcode_array['code'] = $code;
275  break;
276  }
277  case 'QRCODE': { // QR-CODE
278  require_once(dirname(__FILE__).'/include/barcodes/qrcode.php');
279  if (!isset($mode[1]) OR (!in_array($mode[1],array('L','M','Q','H')))) {
280  $mode[1] = 'L'; // Ddefault: Low error correction
281  }
282  $qrcode = new QRcode($code, strtoupper($mode[1]));
283  $this->barcode_array = $qrcode->getBarcodeArray();
284  $this->barcode_array['code'] = $code;
285  break;
286  }
287  case 'RAW':
288  case 'RAW2': { // RAW MODE
289  // remove spaces
290  $code = preg_replace('/[\s]*/si', '', $code);
291  if (strlen($code) < 3) {
292  break;
293  }
294  if ($qrtype == 'RAW') {
295  // comma-separated rows
296  $rows = explode(',', $code);
297  } else { // RAW2
298  // rows enclosed in square parentheses
299  $code = substr($code, 1, -1);
300  $rows = explode('][', $code);
301  }
302  $this->barcode_array['num_rows'] = count($rows);
303  $this->barcode_array['num_cols'] = strlen($rows[0]);
304  $this->barcode_array['bcode'] = array();
305  foreach ($rows as $r) {
306  $this->barcode_array['bcode'][] = str_split($r, 1);
307  }
308  $this->barcode_array['code'] = $code;
309  break;
310  }
311  case 'TEST': { // TEST MODE
312  $this->barcode_array['num_rows'] = 5;
313  $this->barcode_array['num_cols'] = 15;
314  $this->barcode_array['bcode'] = array(
315  array(1,1,1,0,1,1,1,0,1,1,1,0,1,1,1),
316  array(0,1,0,0,1,0,0,0,1,0,0,0,0,1,0),
317  array(0,1,0,0,1,1,0,0,1,1,1,0,0,1,0),
318  array(0,1,0,0,1,0,0,0,0,0,1,0,0,1,0),
319  array(0,1,0,0,1,1,1,0,1,1,1,0,0,1,0));
320  $this->barcode_array['code'] = $code;
321  break;
322  }
323  default: {
324  $this->barcode_array = false;
325  }
326  }
327  }
328 } // end of class
329 
330 //============================================================+
331 // END OF FILE
332 //============================================================+




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