| commit | author | age | ||
| 175a52 | 1 | <?php |
| JK | 2 | if(!extension_loaded('gd')) { |
| adfb2d | 3 | errorclass::add('Brak rozszerzenia GD/GD2. Generowanie kodów kreskowych jest niemożliwe.'); |
| 175a52 | 4 | } |
| JK | 5 | |
| 6 | $code = array( | |
| 7 | 'SS' => '1011110000100001', | |
| 8 | 'BT' => '0', | |
| 9 | '0' => '1010100001111', | |
| 10 | '1' => '1010111100001', | |
| 11 | '2' => '1010000101111', | |
| 12 | '3' => '1111000010101', | |
| 13 | '4' => '1011110100001', | |
| 14 | '5' => '1111010100001', | |
| 15 | '6' => '1000010101111', | |
| 16 | '7' => '1000010111101', | |
| 17 | '8' => '1000011110101', | |
| 18 | '9' => '1111010000101', | |
| 19 | '-' => '1010000111101', | |
| 20 | '$' => '1011110000101', | |
| 21 | ':' => '1111010111101111', | |
| 22 | '/' => '1111011110101111', | |
| 23 | '.' => '1111011110111101', | |
| 24 | '+' => '1011110111101111' | |
| 25 | ); | |
| 26 | ||
| 27 | function gen_binary($kod) { | |
| 28 | global $code; | |
| 29 | ||
| 30 | $kod = str_split($kod); | |
| 31 | $ret = ''; | |
| 32 | foreach($kod as $key => $val) { | |
| 33 | $ret .= $code[$val].$code['BT']; | |
| 34 | } | |
| 35 | ||
| 36 | return $ret; | |
| 37 | } | |
| 38 | function print_code($kod, $img, $b, $w) { | |
| 39 | $kod = str_split($kod); | |
| 40 | foreach($kod as $val) { | |
| 41 | if($val==1) { | |
| 42 | imageline($img, $now, 0, $now, 40, $b); | |
| 43 | $now++; | |
| 44 | } | |
| 45 | elseif($val==0) { | |
| 46 | $now++; | |
| 47 | } | |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | function kod($kod) { | |
| 52 | global $code; | |
| 53 | $kod = $code['SS'].$code['BT'].gen_binary($kod).$code['SS']; | |
| 54 | ||
| 55 | $i = imagecreate(strlen($kod), 40); | |
| 56 | $w = imagecolorallocate($i, 255, 255, 255); | |
| 57 | $b = imagecolorallocate($i, 0, 0, 0); | |
| 58 | ||
| 59 | print_code($kod, $i, $b, $w); | |
| 60 | ||
| 61 | ob_start(); | |
| 62 | imagegif($i); | |
| 63 | $img = ob_get_contents(); | |
| 64 | ob_end_clean(); | |
| 65 | ||
| 66 | return $img; | |
| 67 | } | |
| 532779 | 68 | ?> |
