vendor/mpdf/mpdf/src/Barcode/Code39.php

   1 <?php
   2
   3 namespace Mpdf\Barcode;
   4
   5 /**
   6  * CODE 39 - ANSI MH10.8M-1983 - USD-3 - 3 of 9.
   7  */
   8 class Code39 extends \Mpdf\Barcode\AbstractBarcode implements \Mpdf\Barcode\BarcodeInterface
   9 {
  10
  11         /**
  12          * @param string $code
  13          * @param float $printRatio
  14          * @param bool $extended
  15          * @param bool $checksum
  16          */
  17         public function __construct($code, $printRatio, $extended = false, $checksum = false)
  18         {
  19                 $this->init($code, $printRatio, $extended, $checksum);
  20
  21                 $this->data['nom-X'] = 0.381; // Nominal value for X-dim (bar width) in mm (2 X min. spec.)
  22                 $this->data['nom-H'] = 10;  // Nominal value for Height of Full bar in mm (non-spec.)
  23                 $this->data['lightmL'] = 10; // LEFT light margin =  x X-dim (spec.)
  24                 $this->data['lightmR'] = 10; // RIGHT light margin =  x X-dim (spec.)
  25                 $this->data['lightTB'] = 0; // TOP/BOTTOM light margin =  x X-dim (non-spec.)
  26         }
  27
  28         /**
  29          * @param string $code
  30          * @param float $printRatio
  31          * @param bool $extended
  32          * @param bool $checksum
  33          *
  34          * @return mixed[]
  35          */
  36         private function init($code, $printRatio, $extended, $checksum)
  37         {
  38                 $chr = [
  39                         '0' => '111221211',
  40                         '1' => '211211112',
  41                         '2' => '112211112',
  42                         '3' => '212211111',
  43                         '4' => '111221112',
  44                         '5' => '211221111',
  45                         '6' => '112221111',
  46                         '7' => '111211212',
  47                         '8' => '211211211',
  48                         '9' => '112211211',
  49                         'A' => '211112112',
  50                         'B' => '112112112',
  51                         'C' => '212112111',
  52                         'D' => '111122112',
  53                         'E' => '211122111',
  54                         'F' => '112122111',
  55                         'G' => '111112212',
  56                         'H' => '211112211',
  57                         'I' => '112112211',
  58                         'J' => '111122211',
  59                         'K' => '211111122',
  60                         'L' => '112111122',
  61                         'M' => '212111121',
  62                         'N' => '111121122',
  63                         'O' => '211121121',
  64                         'P' => '112121121',
  65                         'Q' => '111111222',
  66                         'R' => '211111221',
  67                         'S' => '112111221',
  68                         'T' => '111121221',
  69                         'U' => '221111112',
  70                         'V' => '122111112',
  71                         'W' => '222111111',
  72                         'X' => '121121112',
  73                         'Y' => '221121111',
  74                         'Z' => '122121111',
  75                         '-' => '121111212',
  76                         '.' => '221111211',
  77                         ' ' => '122111211',
  78                         '$' => '121212111',
  79                         '/' => '121211121',
  80                         '+' => '121112121',
  81                         '%' => '111212121',
  82                         '*' => '121121211',
  83                 ];
  84
  85                 $code = strtoupper($code);
  86                 $checkdigit = '';
  87
  88                 if ($extended) {
  89                         // extended mode
  90                         $code = $this->encodeExt($code);
  91                 }
  92
  93                 if ($code === false) {
  94                         throw new \Mpdf\Barcode\BarcodeException('Invalid CODE39 barcode value');
  95                 }
  96
  97                 if ($checksum) {
  98                         // checksum
  99                         $checkdigit = $this->checksum($code);
 100                         $code .= $checkdigit;
 101                 }
 102                 // add star$this->>datat and stop codes
 103                 $code = '*' . $code . '*';
 104
 105                 $bararray = ['code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => []];
 106                 $k = 0;
 107                 $clen = strlen($code);
 108                 for ($i = 0; $i < $clen; ++$i) {
 109                         $char = $code[$i];
 110                         if (!isset($chr[$char])) {
 111                                 // invalid character
 112                                 throw new \Mpdf\Barcode\BarcodeException('Invalid CODE39 barcode value');
 113                         }
 114                         for ($j = 0; $j < 9; ++$j) {
 115                                 if (($j % 2) == 0) {
 116                                         $t = true; // bar
 117                                 } else {
 118                                         $t = false; // space
 119                                 }
 120                                 $x = $chr[$char][$j];
 121                                 if ($x == 2) {
 122                                         $w = $printRatio;
 123                                 } else {
 124                                         $w = 1;
 125                                 }
 126
 127                                 $bararray['bcode'][$k] = ['t' => $t, 'w' => $w, 'h' => 1, 'p' => 0];
 128                                 $bararray['maxw'] += $w;
 129                                 ++$k;
 130                         }
 131                         $bararray['bcode'][$k] = ['t' => false, 'w' => 1, 'h' => 1, 'p' => 0];
 132                         $bararray['maxw'] += 1;
 133                         ++$k;
 134                 }
 135
 136                 $bararray['checkdigit'] = $checkdigit;
 137
 138                 $this->data = $bararray;
 139         }
 140
 141         /**
 142          * Encode a string to be used for CODE 39 Extended mode.
 143          *
 144          * @param string $code
 145          * @return string
 146          */
 147         protected function encodeExt($code)
 148         {
 149                 $encode = [
 150                         chr(0) => '%U', chr(1) => '$A', chr(2) => '$B', chr(3) => '$C',
 151                         chr(4) => '$D', chr(5) => '$E', chr(6) => '$F', chr(7) => '$G',
 152                         chr(8) => '$H', chr(9) => '$I', chr(10) => '$J', chr(11) => '£K',
 153                         chr(12) => '$L', chr(13) => '$M', chr(14) => '$N', chr(15) => '$O',
 154                         chr(16) => '$P', chr(17) => '$Q', chr(18) => '$R', chr(19) => '$S',
 155                         chr(20) => '$T', chr(21) => '$U', chr(22) => '$V', chr(23) => '$W',
 156                         chr(24) => '$X', chr(25) => '$Y', chr(26) => '$Z', chr(27) => '%A',
 157                         chr(28) => '%B', chr(29) => '%C', chr(30) => '%D', chr(31) => '%E',
 158                         chr(32) => ' ', chr(33) => '/A', chr(34) => '/B', chr(35) => '/C',
 159                         chr(36) => '/D', chr(37) => '/E', chr(38) => '/F', chr(39) => '/G',
 160                         chr(40) => '/H', chr(41) => '/I', chr(42) => '/J', chr(43) => '/K',
 161                         chr(44) => '/L', chr(45) => '-', chr(46) => '.', chr(47) => '/O',
 162                         chr(48) => '0', chr(49) => '1', chr(50) => '2', chr(51) => '3',
 163                         chr(52) => '4', chr(53) => '5', chr(54) => '6', chr(55) => '7',
 164                         chr(56) => '8', chr(57) => '9', chr(58) => '/Z', chr(59) => '%F',
 165                         chr(60) => '%G', chr(61) => '%H', chr(62) => '%I', chr(63) => '%J',
 166                         chr(64) => '%V', chr(65) => 'A', chr(66) => 'B', chr(67) => 'C',
 167                         chr(68) => 'D', chr(69) => 'E', chr(70) => 'F', chr(71) => 'G',
 168                         chr(72) => 'H', chr(73) => 'I', chr(74) => 'J', chr(75) => 'K',
 169                         chr(76) => 'L', chr(77) => 'M', chr(78) => 'N', chr(79) => 'O',
 170                         chr(80) => 'P', chr(81) => 'Q', chr(82) => 'R', chr(83) => 'S',
 171                         chr(84) => 'T', chr(85) => 'U', chr(86) => 'V', chr(87) => 'W',
 172                         chr(88) => 'X', chr(89) => 'Y', chr(90) => 'Z', chr(91) => '%K',
 173                         chr(92) => '%L', chr(93) => '%M', chr(94) => '%N', chr(95) => '%O',
 174                         chr(96) => '%W', chr(97) => '+A', chr(98) => '+B', chr(99) => '+C',
 175                         chr(100) => '+D', chr(101) => '+E', chr(102) => '+F', chr(103) => '+G',
 176                         chr(104) => '+H', chr(105) => '+I', chr(106) => '+J', chr(107) => '+K',
 177                         chr(108) => '+L', chr(109) => '+M', chr(110) => '+N', chr(111) => '+O',
 178                         chr(112) => '+P', chr(113) => '+Q', chr(114) => '+R', chr(115) => '+S',
 179                         chr(116) => '+T', chr(117) => '+U', chr(118) => '+V', chr(119) => '+W',
 180                         chr(120) => '+X', chr(121) => '+Y', chr(122) => '+Z', chr(123) => '%P',
 181                         chr(124) => '%Q', chr(125) => '%R', chr(126) => '%S', chr(127) => '%T'
 182                 ];
 183
 184                 $code_ext = '';
 185                 $clen = strlen($code);
 186
 187                 for ($i = 0; $i < $clen; ++$i) {
 188
 189                         if (ord($code[$i]) > 127) {
 190                                 throw new \Mpdf\Barcode\BarcodeException('Invalid CODE39 barcode value');
 191                         }
 192
 193                         $code_ext .= $encode[$code[$i]];
 194                 }
 195
 196                 return $code_ext;
 197         }
 198
 199         /**
 200          * Calculate CODE 39 checksum (modulo 43).
 201          *
 202          * @param string $code
 203          * @return string mixed
 204          */
 205         protected function checksum($code)
 206         {
 207                 $chars = [
 208                         '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
 209                         'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K',
 210                         'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
 211                         'W', 'X', 'Y', 'Z', '-', '.', ' ', '$', '/', '+', '%'
 212                 ];
 213
 214                 $sum = 0;
 215                 $clen = strlen($code);
 216
 217                 for ($i = 0; $i < $clen; ++$i) {
 218                         $k = array_keys($chars, $code[$i]);
 219                         $sum += $k[0];
 220                 }
 221
 222                 $j = ($sum % 43);
 223
 224                 return $chars[$j];
 225         }
 226
 227         /**
 228          * @inheritdoc
 229          */
 230         public function getType()
 231         {
 232                 return 'CODE39';
 233         }
 234
 235 }