ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions | Protected Attributes
TCPDF2DBarcode Class Reference

PHP class to creates array representations for 2D barcodes to be used with TCPDF (http://www.tcpdf.org). More...

+ Collaboration diagram for TCPDF2DBarcode:

Public Member Functions

 __construct ($code, $type)
 This is the class constructor. More...
 
 getBarcodeArray ()
 Return an array representations of barcode. More...
 
 getBarcodeSVG ($w=3, $h=3, $color='black')
 Send barcode as SVG image object to the standard output. More...
 
 getBarcodeSVGcode ($w=3, $h=3, $color='black')
 Return a SVG string representation of barcode. More...
 
 getBarcodeHTML ($w=10, $h=10, $color='black')
 Return an HTML representation of barcode. More...
 
 getBarcodePNG ($w=3, $h=3, $color=array(0, 0, 0))
 Send a PNG image representation of barcode (requires GD or Imagick library). More...
 
 getBarcodePngData ($w=3, $h=3, $color=array(0, 0, 0))
 Return a PNG image representation of barcode (requires GD or Imagick library). More...
 
 setBarcode ($code, $type)
 Set the barcode. More...
 

Protected Attributes

 $barcode_array = false
 Array representation of barcode. More...
 

Detailed Description

PHP class to creates array representations for 2D barcodes to be used with TCPDF (http://www.tcpdf.org).

Definition at line 50 of file tcpdf_barcodes_2d.php.

Constructor & Destructor Documentation

◆ __construct()

TCPDF2DBarcode::__construct (   $code,
  $type 
)

This is the class constructor.

Return an array representations for 2D barcodes:

  • $arrcode['code'] code to be printed on text label
  • $arrcode['num_rows'] required number of rows
  • $arrcode['num_cols'] required number of columns
  • $arrcode['bcode'][$r][$c] value of the cell is $r row and $c column (0 = transparent, 1 = black)
Parameters
$code(string) code to print
$type(string) type of barcode:
  • DATAMATRIX : Datamatrix (ISO/IEC 16022)
  • PDF417 : PDF417 (ISO/IEC 15438:2006)
  • 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".
  • QRCODE : QRcode Low error correction
  • QRCODE,L : QRcode Low error correction
  • QRCODE,M : QRcode Medium error correction
  • QRCODE,Q : QRcode Better error correction
  • QRCODE,H : QR-CODE Best error correction
  • RAW: raw mode - comma-separad list of array rows
  • RAW2: raw mode - array rows are surrounded by square parenthesis.
  • TEST : Test matrix

Definition at line 68 of file tcpdf_barcodes_2d.php.

68 {
69 $this->setBarcode($code, $type);
70 }
TCPDF2DBarcode\setBarcode
setBarcode($code, $type)
Set the barcode.
Definition: tcpdf_barcodes_2d.php:252
$code
$code
Definition: example_050.php:99

References $code, and setBarcode().

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Member Function Documentation

◆ getBarcodeArray()

TCPDF2DBarcode::getBarcodeArray ( )

Return an array representations of barcode.

Returns
array

Definition at line 76 of file tcpdf_barcodes_2d.php.

76 {
77 return $this->barcode_array;
78 }
TCPDF2DBarcode\$barcode_array
$barcode_array
Array representation of barcode.
Definition: tcpdf_barcodes_2d.php:56

References $barcode_array.

◆ getBarcodeHTML()

TCPDF2DBarcode::getBarcodeHTML (   $w = 10,
  $h = 10,
  $color = 'black' 
)

Return an HTML representation of barcode.

Parameters
$w(int) Width of a single rectangle element in pixels.
$h(int) Height of a single rectangle element in pixels.
$color(string) Foreground color for bar elements (background is transparent).
Returns
string HTML code.

Definition at line 144 of file tcpdf_barcodes_2d.php.

144 {
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 }
$html
$html
Definition: example_001.php:87
$y
$y
Definition: example_007.php:83
$x
$x
Definition: example_009.php:98
$h
$h
Definition: example_009.php:101
$w
$w
Definition: example_009.php:100
$r
$r
Definition: example_031.php:79

References $h, $html, $r, $w, $x, and $y.

◆ getBarcodePNG()

TCPDF2DBarcode::getBarcodePNG (   $w = 3,
  $h = 3,
  $color = array(0,0,0) 
)

Send a PNG image representation of barcode (requires GD or Imagick library).

Parameters
$w(int) Width of a single rectangle element in pixels.
$h(int) Height of a single rectangle element in pixels.
$color(array) RGB (0-255) foreground color for bar elements (background is transparent).

Definition at line 172 of file tcpdf_barcodes_2d.php.

172 {
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 $data;
182
183 }
TCPDF2DBarcode\getBarcodePngData
getBarcodePngData($w=3, $h=3, $color=array(0, 0, 0))
Return a PNG image representation of barcode (requires GD or Imagick library).
Definition: tcpdf_barcodes_2d.php:193
$data
$data
Definition: example_011.php:126

References $data, $h, $w, and getBarcodePngData().

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◆ getBarcodePngData()

TCPDF2DBarcode::getBarcodePngData (   $w = 3,
  $h = 3,
  $color = array(0,0,0) 
)

Return a PNG image representation of barcode (requires GD or Imagick library).

Parameters
$w(int) Width of a single rectangle element in pixels.
$h(int) Height of a single rectangle element in pixels.
$color(array) RGB (0-255) foreground color for bar elements (background is transparent).
Returns
image or false in case of error.

Definition at line 193 of file tcpdf_barcodes_2d.php.

193 {
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 }

References $h, $r, $w, $x, and $y.

Referenced by getBarcodePNG().

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◆ getBarcodeSVG()

TCPDF2DBarcode::getBarcodeSVG (   $w = 3,
  $h = 3,
  $color = 'black' 
)

Send barcode as SVG image object to the standard output.

Parameters
$w(int) Width of a single rectangle element in user units.
$h(int) Height of a single rectangle element in user units.
$color(string) Foreground color (in SVG format) for bar elements (background is transparent).

Definition at line 87 of file tcpdf_barcodes_2d.php.

87 {
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 $code;
98 }
TCPDF2DBarcode\getBarcodeSVGcode
getBarcodeSVGcode($w=3, $h=3, $color='black')
Return a SVG string representation of barcode.
Definition: tcpdf_barcodes_2d.php:108

References $code, $h, $w, and getBarcodeSVGcode().

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◆ getBarcodeSVGcode()

TCPDF2DBarcode::getBarcodeSVGcode (   $w = 3,
  $h = 3,
  $color = 'black' 
)

Return a SVG string representation of barcode.

Parameters
$w(int) Width of a single rectangle element in user units.
$h(int) Height of a single rectangle element in user units.
$color(string) Foreground color (in SVG format) for bar elements (background is transparent).
Returns
string SVG code.

Definition at line 108 of file tcpdf_barcodes_2d.php.

108 {
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 }

References $h, $r, $w, $x, and $y.

Referenced by getBarcodeSVG().

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◆ setBarcode()

TCPDF2DBarcode::setBarcode (   $code,
  $type 
)

Set the barcode.

Parameters
$code(string) code to print
$type(string) type of barcode:
  • DATAMATRIX : Datamatrix (ISO/IEC 16022)
  • PDF417 : PDF417 (ISO/IEC 15438:2006)
  • 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".
  • QRCODE : QRcode Low error correction
  • QRCODE,L : QRcode Low error correction
  • QRCODE,M : QRcode Medium error correction
  • QRCODE,Q : QRcode Better error correction
  • QRCODE,H : QR-CODE Best error correction
  • RAW: raw mode - comma-separad list of array rows
  • RAW2: raw mode - array rows are surrounded by square parenthesis.
  • TEST : Test matrix
Returns
array

Definition at line 252 of file tcpdf_barcodes_2d.php.

252 {
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 }
Datamatrix
Class to create DataMatrix ECC 200 barcode arrays for TCPDF class.
Definition: datamatrix.php:110
PDF417
Class to create PDF417 barcode arrays for TCPDF class.
Definition: pdf417.php:93
QRcode
Class to create QR-code arrays for TCPDF class.
Definition: qrcode.php:291

References $code, and $r.

Referenced by __construct().

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Field Documentation

◆ $barcode_array

TCPDF2DBarcode::$barcode_array = false
protected

Array representation of barcode.

Definition at line 56 of file tcpdf_barcodes_2d.php.

Referenced by getBarcodeArray().

The documentation for this class was generated from the following file: