source-class-TCPDF2DBarcode

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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" => '', '&' => '&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 $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;">&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 $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: //============================================================+
350: 
 

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