* <li>$arrcode["bcode"][$k]["h"] bar height in units.</li>
* <li>$arrcode["bcode"][$k]["p"] bar top position (0 = top, 1 = middle)</li></ul>
* @param string $code code to print
- * @param string $type type of barcode: <ul><li>C39 : CODE 39</li><li>C39+ : CODE 39 with checksum</li><li>C39E : CODE 39 EXTENDED</li><li>C39E+ : CODE 39 EXTENDED with checksum</li><li>I25 : Interleaved 2 of 5</li><li>C128A : CODE 128 A</li><li>C128B : CODE 128 B</li><li>C128C : CODE 128 C</li><li>EAN13 : EAN 13</li><li>UPCA : UPC-A</li><li>POSTNET : POSTNET</li><li>CODABAR : CODABAR</li></ul>
+ * @param string $type type of barcode: <ul><li>C39 : CODE 39</li><li>C39+ : CODE 39 with checksum</li><li>C39E : CODE 39 EXTENDED</li><li>C39E+ : CODE 39 EXTENDED with checksum</li><li>I25 : Interleaved 2 of 5</li><li>C128A : CODE 128 A</li><li>C128B : CODE 128 B</li><li>C128C : CODE 128 C</li><li>EAN2 : 2-Digits UPC-Based Extension</li><li>EAN5 : 5-Digits UPC-Based Extension</li><li>EAN8 : EAN 8</li><li>EAN13 : EAN 13</li><li>UPCA : UPC-A</li><li>UPCE : UPC-E</li><li>POSTNET : POSTNET</li><li>CODABAR : CODABAR</li></ul>
*/
- function TCPDFBarcode($code, $type) {
+ function __construct($code, $type) {
$this->setBarcode($code, $type);
}
/**
* Set the barcode.
* @param string $code code to print
- * @param string $type type of barcode: <ul><li>C39 : CODE 39</li><li>C39+ : CODE 39 with checksum</li><li>C39E : CODE 39 EXTENDED</li><li>C39E+ : CODE 39 EXTENDED with checksum</li><li>I25 : Interleaved 2 of 5</li><li>C128A : CODE 128 A</li><li>C128B : CODE 128 B</li><li>C128C : CODE 128 C</li><li>EAN13 : EAN 13</li><li>UPCA : UPC-A</li><li>POSTNET : POSTNET</li><li>CODABAR : CODABAR</li></ul>
+ * @param string $type type of barcode: <ul><li>C39 : CODE 39</li><li>C39+ : CODE 39 with checksum</li><li>C39E : CODE 39 EXTENDED</li><li>C39E+ : CODE 39 EXTENDED with checksum</li><li>I25 : Interleaved 2 of 5</li><li>C128A : CODE 128 A</li><li>C128B : CODE 128 B</li><li>C128C : CODE 128 C</li><li>EAN2 : 2-Digits UPC-Based Extension</li><li>EAN5 : 5-Digits UPC-Based Extension</li><li>EAN8 : EAN 8</li><li>EAN13 : EAN 13</li><li>UPCA : UPC-A</li><li>UPCE : UPC-E</li><li>POSTNET : POSTNET</li><li>CODABAR : CODABAR</li></ul>
* @return array
*/
function setBarcode($code, $type) {
$arrcode = $this->barcode_c128($code, "C");
break;
}
- case "EAN13": { // EAN 13
- $arrcode = $this->barcode_ean13($code, 13);
+ case 'EAN2': { // 2-Digits UPC-Based Extension
+ $arrcode = $this->barcode_eanext($code, 2);
break;
}
- case "UPCA": { // UPC-A
- $arrcode = $this->barcode_ean13($code, 12);
+ case 'EAN5': { // 5-Digits UPC-Based Extension
+ $arrcode = $this->barcode_eanext($code, 5);
+ break;
+ }
+ case 'EAN8': { // EAN 8
+ $arrcode = $this->barcode_eanupc($code, 8);
+ break;
+ }
+ case 'EAN13': { // EAN 13
+ $arrcode = $this->barcode_eanupc($code, 13);
+ break;
+ }
+ case 'UPCA': { // UPC-A
+ $arrcode = $this->barcode_eanupc($code, 12);
+ break;
+ }
+ case 'UPCE': { // UPC-E
+ $arrcode = $this->barcode_eanupc($code, 6);
break;
}
case "POSTNET": { // POSTNET
}
return $bararray;
}
-
+
/**
* EAN13 and UPC-A barcodes.
- * @param string $code code to represent.
- * @param string $len barcode type: 13 = EAN13, 12 = UPC-A
+ * EAN13: European Article Numbering international retail product code
+ * UPC-A: Universal product code seen on almost all retail products in the USA and Canada
+ * UPC-E: Short version of UPC symbol
+ * @param $code (string) code to represent.
+ * @param $len (string) barcode type: 6 = UPC-E, 8 = EAN8, 13 = EAN13, 12 = UPC-A
* @return array barcode representation.
- * @access protected
+ * @protected
*/
- function barcode_ean13($code, $len=13) {
+ protected function barcode_eanupc($code, $len=13) {
+ $upce = false;
+ if ($len == 6) {
+ $len = 12; // UPC-A
+ $upce = true; // UPC-E mode
+ }
+ $data_len = $len - 1;
//Padding
- $code = str_pad($code, $len-1, '0', STR_PAD_LEFT);
- if($len == 12) {
- $code = '0'.$code;
+ $code = str_pad($code, $data_len, '0', STR_PAD_LEFT);
+ $code_len = strlen($code);
+ // calculate check digit
+ $sum_a = 0;
+ for ($i = 1; $i < $data_len; $i+=2) {
+ $sum_a += $code{$i};
}
- // add check digit
- if(strlen($code) == 12) {
- $sum=0;
- for($i=1;$i<=11;$i+=2) {
- $sum += (3 * $code{$i});
- }
- for($i=0; $i <= 10; $i+=2) {
- $sum += ($code{$i});
- }
- $r = $sum % 10;
- if($r > 0) {
- $r = (10 - $r);
- }
+ if ($len > 12) {
+ $sum_a *= 3;
+ }
+ $sum_b = 0;
+ for ($i = 0; $i < $data_len; $i+=2) {
+ $sum_b += ($code{$i});
+ }
+ if ($len < 13) {
+ $sum_b *= 3;
+ }
+ $r = ($sum_a + $sum_b) % 10;
+ if($r > 0) {
+ $r = (10 - $r);
+ }
+ if ($code_len == $data_len) {
+ // add check digit
$code .= $r;
- } else { // test checkdigit
- $sum = 0;
- for($i=1; $i <= 11; $i+=2) {
- $sum += (3 * $code{$i});
- }
- for($i=0; $i <= 10; $i+=2) {
- $sum += $code{$i};
- }
- if ((($sum + $code{12}) % 10) != 0) {
- return false;
+ } elseif ($r !== intval($code{$data_len})) {
+ // wrong checkdigit
+ return false;
+ }
+ if ($len == 12) {
+ // UPC-A
+ $code = '0'.$code;
+ ++$len;
+ }
+ if ($upce) {
+ // convert UPC-A to UPC-E
+ $tmp = substr($code, 4, 3);
+ if (($tmp == '000') OR ($tmp == '100') OR ($tmp == '200')) {
+ // manufacturer code ends in 000, 100, or 200
+ $upce_code = substr($code, 2, 2).substr($code, 9, 3).substr($code, 4, 1);
+ } else {
+ $tmp = substr($code, 5, 2);
+ if ($tmp == '00') {
+ // manufacturer code ends in 00
+ $upce_code = substr($code, 2, 3).substr($code, 10, 2).'3';
+ } else {
+ $tmp = substr($code, 6, 1);
+ if ($tmp == '0') {
+ // manufacturer code ends in 0
+ $upce_code = substr($code, 2, 4).substr($code, 11, 1).'4';
+ } else {
+ // manufacturer code does not end in zero
+ $upce_code = substr($code, 2, 5).substr($code, 11, 1);
+ }
+ }
}
}
//Convert digits to bars
$codes = array(
- 'A'=>array(
+ 'A'=>array( // left odd parity
'0'=>'0001101',
'1'=>'0011001',
'2'=>'0010011',
'7'=>'0111011',
'8'=>'0110111',
'9'=>'0001011'),
- 'B'=>array(
+ 'B'=>array( // left even parity
'0'=>'0100111',
'1'=>'0110011',
'2'=>'0011011',
'7'=>'0010001',
'8'=>'0001001',
'9'=>'0010111'),
- 'C'=>array(
+ 'C'=>array( // right
'0'=>'1110010',
'1'=>'1100110',
'2'=>'1101100',
'8'=>array('A','B','A','B','B','A'),
'9'=>array('A','B','B','A','B','A')
);
-
- $bararray = array("code" => $code, "maxw" => 0, "maxh" => 1, "bcode" => array());
+ $upce_parities = array();
+ $upce_parities[0] = array(
+ '0'=>array('B','B','B','A','A','A'),
+ '1'=>array('B','B','A','B','A','A'),
+ '2'=>array('B','B','A','A','B','A'),
+ '3'=>array('B','B','A','A','A','B'),
+ '4'=>array('B','A','B','B','A','A'),
+ '5'=>array('B','A','A','B','B','A'),
+ '6'=>array('B','A','A','A','B','B'),
+ '7'=>array('B','A','B','A','B','A'),
+ '8'=>array('B','A','B','A','A','B'),
+ '9'=>array('B','A','A','B','A','B')
+ );
+ $upce_parities[1] = array(
+ '0'=>array('A','A','A','B','B','B'),
+ '1'=>array('A','A','B','A','B','B'),
+ '2'=>array('A','A','B','B','A','B'),
+ '3'=>array('A','A','B','B','B','A'),
+ '4'=>array('A','B','A','A','B','B'),
+ '5'=>array('A','B','B','A','A','B'),
+ '6'=>array('A','B','B','B','A','A'),
+ '7'=>array('A','B','A','B','A','B'),
+ '8'=>array('A','B','A','B','B','A'),
+ '9'=>array('A','B','B','A','B','A')
+ );
$k = 0;
- $seq = '101';
- $p = $parities[$code{0}];
- for($i=1; $i < 7; $i++) {
- $seq .= $codes[$p[$i-1]][$code{$i}];
- }
- $seq .= '01010';
- for($i=7; $i < 13; $i++) {
- $seq .= $codes['C'][$code{$i}];
+ $seq = '101'; // left guard bar
+ if ($upce) {
+ $bararray = array('code' => $upce_code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+ $p = $upce_parities[$code[1]][$r];
+ for ($i = 0; $i < 6; ++$i) {
+ $seq .= $codes[$p[$i]][$upce_code{$i}];
+ }
+ $seq .= '010101'; // right guard bar
+ } else {
+ $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+ $half_len = intval(ceil($len / 2));
+ if ($len == 8) {
+ for ($i = 0; $i < $half_len; ++$i) {
+ $seq .= $codes['A'][$code{$i}];
+ }
+ } else {
+ $p = $parities[$code[0]];
+ for ($i = 1; $i < $half_len; ++$i) {
+ $seq .= $codes[$p[$i-1]][$code{$i}];
+ }
+ }
+ $seq .= '01010'; // center guard bar
+ for ($i = $half_len; $i < $len; ++$i) {
+ $seq .= $codes['C'][$code{$i}];
+ }
+ $seq .= '101'; // right guard bar
}
- $seq .= '101';
- $len = strlen($seq);
+ $clen = strlen($seq);
$w = 0;
- for($i=0; $i < $len; $i++) {
+ for ($i = 0; $i < $clen; ++$i) {
$w += 1;
- if (($i == ($len - 1)) OR (($i < ($len - 1)) AND ($seq{$i} != $seq{($i+1)}))) {
+ if (($i == ($clen - 1)) OR (($i < ($clen - 1)) AND ($seq{$i} != $seq{($i+1)}))) {
if ($seq{$i} == '1') {
$t = true; // bar
} else {
$t = false; // space
}
- $bararray["bcode"][$k] = array("t" => $t, "w" => $w, "h" => 1, "p" => 0);
- $bararray["maxw"] += $w;
- $k++;
+ $bararray['bcode'][$k] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0);
+ $bararray['maxw'] += $w;
+ ++$k;
$w = 0;
}
}
return $bararray;
}
-
+
/**
* POSTNET barcodes.
* @param string $code zip code to represent. Must be a string containing a zip code of the form DDDDD or DDDDD-DDDD.
//============================================================+
// END OF FILE
//============================================================+
-?>
projects / fa-stable.git / blobdiff