| commit | author | age | ||
| 175a52 | 1 | <?php |
| JK | 2 | if(!extension_loaded('gd')) { |
| 3 | error::add('Brak rozszerzenia GD/GD2. Generowanie kodów kreskowych jest niemożliwe.'); | |
| 4 | } | |
| 5 | ||
| 6 | $code = array( | |
| 7 | 'SS' => '100101101101', | |
| 8 | 'BT' => '0', | |
| 9 | '0' => '101001101101', | |
| 10 | '1' => '110100101011', | |
| 11 | '2' => '101100101011', | |
| 12 | '3' => '110110010101', | |
| 13 | '4' => '101001101011', | |
| 14 | '5' => '110100110101', | |
| 15 | '6' => '101100110101', | |
| 16 | '7' => '101001011011', | |
| 17 | '8' => '110100101101', | |
| 18 | '9' => '101100101101', | |
| 19 | 'A' => '110101001011', | |
| 20 | 'B' => '101101001011', | |
| 21 | 'C' => '110110100101', | |
| 22 | 'D' => '101011001011', | |
| 23 | 'E' => '110101100101', | |
| 24 | 'F' => '101101100101', | |
| 25 | 'G' => '101010011011', | |
| 26 | 'H' => '110101001101', | |
| 27 | 'I' => '101101001101', | |
| 28 | 'J' => '101011001101', | |
| 29 | 'K' => '110101010011', | |
| 30 | 'L' => '101101010011', | |
| 31 | 'M' => '110110101001', | |
| 32 | 'N' => '101011010011', | |
| 33 | 'O' => '110101101001', | |
| 34 | 'P' => '101101101001', | |
| 35 | 'Q' => '101010110011', | |
| 36 | 'R' => '110101011001', | |
| 37 | 'S' => '101101011001', | |
| 38 | 'T' => '101011011001', | |
| 39 | 'U' => '110010101011', | |
| 40 | 'V' => '100110101011', | |
| 41 | 'W' => '110011010101', | |
| 42 | 'X' => '100101101011', | |
| 43 | 'Y' => '110010110101', | |
| 44 | 'Z' => '100110110101', | |
| 45 | '-' => '100101011011', | |
| 46 | '.' => '110010101101', | |
| 47 | ' ' => '100110101101', | |
| 48 | '$' => '100100100101', | |
| 49 | '/' => '100100101001', | |
| 50 | '+' => '100101001001', | |
| 51 | '%' => '101001001001', | |
| 52 | ); | |
| 53 | ||
| 54 | function gen_binary($kod) { | |
| 55 | global $code; | |
| 56 | ||
| 57 | $kod = str_split($kod); | |
| 58 | $ret = ''; | |
| 59 | foreach($kod as $key => $val) { | |
| 60 | $ret .= $code[$val].$code['BT']; | |
| 61 | } | |
| 62 | ||
| 63 | return $ret; | |
| 64 | } | |
| 65 | function print_code($kod, $img, $b, $w) { | |
| 66 | $kod = str_split($kod); | |
| 67 | foreach($kod as $val) { | |
| 68 | if($val==1) { | |
| 69 | imageline($img, $now, 0, $now, 40, $b); | |
| 70 | $now++; | |
| 71 | } | |
| 72 | elseif($val==0) { | |
| 73 | $now++; | |
| 74 | } | |
| 75 | } | |
| 76 | } | |
| 77 | ||
| 78 | function kod($kod) { | |
| 79 | global $code; | |
| 80 | ||
| 81 | if(trim($kod, '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $')!='') { | |
| 82 | error::add('Znaki inne niż cyfry, litery, pauza, kropka, spacja, ukośnik'); | |
| 83 | } | |
| 84 | ||
| 85 | $kod = $code['SS'].$code['BT'].gen_binary($kod).$code['SS']; | |
| 86 | ||
| 87 | $i = imagecreate(strlen($kod), 40); | |
| 88 | $w = imagecolorallocate($i, 255, 255, 255); | |
| 89 | $b = imagecolorallocate($i, 0, 0, 0); | |
| 90 | ||
| 91 | print_code($kod, $i, $b, $w); | |
| 92 | ||
| 93 | ob_start(); | |
| 94 | imagegif($i); | |
| 95 | $img = ob_get_contents(); | |
| 96 | ob_end_clean(); | |
| 97 | ||
| 98 | return $img; | |
| 99 | } | |
| 100 | ?> | |
