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File: barcode.php

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File: barcode.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: PHP Barcode Generator Save Image
Generate barcode images in several formats
Author: By
Last change:
Date: 3 years ago
Size: 15,131 bytes
 

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<?php /* * Author David S. Tufts * Company davidscotttufts.com * * Date: 05/25/2003 * Usage: <img src="/barcode.php?text=testing" alt="testing" /> */ // For demonstration purposes, get pararameters that are passed in through $_GET or set to the default value $filepath = (isset($_GET["filepath"]) ? $_GET["filepath"] : ""); $text = (isset($_GET["text"]) ? $_GET["text"] : "0"); $size = (isset($_GET["size"]) ? $_GET["size"] : "20"); $orientation = (isset($_GET["orientation"]) ? $_GET["orientation"] : "horizontal"); $code_type = (isset($_GET["codetype"]) ? $_GET["codetype"] : "code128"); $print = (isset($_GET["print"]) && $_GET["print"] == 'true' ? true : false); $sizefactor = (isset($_GET["sizefactor"]) ? $_GET["sizefactor"] : "1"); // This function call can be copied into your project and can be made from anywhere in your code barcode($filepath, $text, $size, $orientation, $code_type, $print, $sizefactor); function barcode( $filepath = "", $text = "0", $size = "20", $orientation = "horizontal", $code_type = "code128", $print = false, $SizeFactor = 1 ) { $code_string = ""; // Translate the $text into barcode the correct $code_type if (in_array(strtolower($code_type), array("code128", "code128b"))) { $chksum = 104; // Must not change order of array elements as the checksum depends on the array's key to validate final code $code_array = array( " " => "212222", "!" => "222122", "\"" => "222221", "#" => "121223", "$" => "121322", "%" => "131222", "&" => "122213", "'" => "122312", "(" => "132212", ")" => "221213", "*" => "221312", "+" => "231212", "," => "112232", "-" => "122132", "." => "122231", "/" => "113222", "0" => "123122", "1" => "123221", "2" => "223211", "3" => "221132", "4" => "221231", "5" => "213212", "6" => "223112", "7" => "312131", "8" => "311222", "9" => "321122", ":" => "321221", ";" => "312212", "<" => "322112", "=" => "322211", ">" => "212123", "?" => "212321", "@" => "232121", "A" => "111323", "B" => "131123", "C" => "131321", "D" => "112313", "E" => "132113", "F" => "132311", "G" => "211313", "H" => "231113", "I" => "231311", "J" => "112133", "K" => "112331", "L" => "132131", "M" => "113123", "N" => "113321", "O" => "133121", "P" => "313121", "Q" => "211331", "R" => "231131", "S" => "213113", "T" => "213311", "U" => "213131", "V" => "311123", "W" => "311321", "X" => "331121", "Y" => "312113", "Z" => "312311", "[" => "332111", "\\" => "314111", "]" => "221411", "^" => "431111", "_" => "111224", "\`" => "111422", "a" => "121124", "b" => "121421", "c" => "141122", "d" => "141221", "e" => "112214", "f" => "112412", "g" => "122114", "h" => "122411", "i" => "142112", "j" => "142211", "k" => "241211", "l" => "221114", "m" => "413111", "n" => "241112", "o" => "134111", "p" => "111242", "q" => "121142", "r" => "121241", "s" => "114212", "t" => "124112", "u" => "124211", "v" => "411212", "w" => "421112", "x" => "421211", "y" => "212141", "z" => "214121", "{" => "412121", "|" => "111143", "}" => "111341", "~" => "131141", "DEL" => "114113", "FNC 3" => "114311", "FNC 2" => "411113", "SHIFT" => "411311", "CODE C" => "113141", "FNC 4" => "114131", "CODE A" => "311141", "FNC 1" => "411131", "Start A" => "211412", "Start B" => "211214", "Start C" => "211232", "Stop" => "2331112" ); //\Elminson\BarCode\CodeType::code_data $code_keys = array_keys($code_array); $code_values = array_flip($code_keys); for ($X = 1; $X <= strlen($text); $X++) { $activeKey = substr($text, ($X - 1), 1); $code_string .= $code_array[$activeKey]; $chksum = ($chksum + ($code_values[$activeKey] * $X)); } $code_string .= $code_array[$code_keys[($chksum - (intval($chksum / 103) * 103))]]; $code_string = "211214" . $code_string . "2331112"; } elseif (strtolower($code_type) == "code128a") { $chksum = 103; $text = strtoupper($text); // Code 128A doesn't support lower case // Must not change order of array elements as the checksum depends on the array's key to validate final code $code_array = array( " " => "212222", "!" => "222122", "\"" => "222221", "#" => "121223", "$" => "121322", "%" => "131222", "&" => "122213", "'" => "122312", "(" => "132212", ")" => "221213", "*" => "221312", "+" => "231212", "," => "112232", "-" => "122132", "." => "122231", "/" => "113222", "0" => "123122", "1" => "123221", "2" => "223211", "3" => "221132", "4" => "221231", "5" => "213212", "6" => "223112", "7" => "312131", "8" => "311222", "9" => "321122", ":" => "321221", ";" => "312212", "<" => "322112", "=" => "322211", ">" => "212123", "?" => "212321", "@" => "232121", "A" => "111323", "B" => "131123", "C" => "131321", "D" => "112313", "E" => "132113", "F" => "132311", "G" => "211313", "H" => "231113", "I" => "231311", "J" => "112133", "K" => "112331", "L" => "132131", "M" => "113123", "N" => "113321", "O" => "133121", "P" => "313121", "Q" => "211331", "R" => "231131", "S" => "213113", "T" => "213311", "U" => "213131", "V" => "311123", "W" => "311321", "X" => "331121", "Y" => "312113", "Z" => "312311", "[" => "332111", "\\" => "314111", "]" => "221411", "^" => "431111", "_" => "111224", "NUL" => "111422", "SOH" => "121124", "STX" => "121421", "ETX" => "141122", "EOT" => "141221", "ENQ" => "112214", "ACK" => "112412", "BEL" => "122114", "BS" => "122411", "HT" => "142112", "LF" => "142211", "VT" => "241211", "FF" => "221114", "CR" => "413111", "SO" => "241112", "SI" => "134111", "DLE" => "111242", "DC1" => "121142", "DC2" => "121241", "DC3" => "114212", "DC4" => "124112", "NAK" => "124211", "SYN" => "411212", "ETB" => "421112", "CAN" => "421211", "EM" => "212141", "SUB" => "214121", "ESC" => "412121", "FS" => "111143", "GS" => "111341", "RS" => "131141", "US" => "114113", "FNC 3" => "114311", "FNC 2" => "411113", "SHIFT" => "411311", "CODE C" => "113141", "CODE B" => "114131", "FNC 4" => "311141", "FNC 1" => "411131", "Start A" => "211412", "Start B" => "211214", "Start C" => "211232", "Stop" => "2331112" ); $code_keys = array_keys($code_array); $code_values = array_flip($code_keys); for ($X = 1; $X <= strlen($text); $X++) { $activeKey = substr($text, ($X - 1), 1); $code_string .= $code_array[$activeKey]; $chksum = ($chksum + ($code_values[$activeKey] * $X)); } $code_string .= $code_array[$code_keys[($chksum - (intval($chksum / 103) * 103))]]; $code_string = "211412" . $code_string . "2331112"; } elseif (strtolower($code_type) == "code39") { $code_array = array( "0" => "111221211", "1" => "211211112", "2" => "112211112", "3" => "212211111", "4" => "111221112", "5" => "211221111", "6" => "112221111", "7" => "111211212", "8" => "211211211", "9" => "112211211", "A" => "211112112", "B" => "112112112", "C" => "212112111", "D" => "111122112", "E" => "211122111", "F" => "112122111", "G" => "111112212", "H" => "211112211", "I" => "112112211", "J" => "111122211", "K" => "211111122", "L" => "112111122", "M" => "212111121", "N" => "111121122", "O" => "211121121", "P" => "112121121", "Q" => "111111222", "R" => "211111221", "S" => "112111221", "T" => "111121221", "U" => "221111112", "V" => "122111112", "W" => "222111111", "X" => "121121112", "Y" => "221121111", "Z" => "122121111", "-" => "121111212", "." => "221111211", " " => "122111211", "$" => "121212111", "/" => "121211121", "+" => "121112121", "%" => "111212121", "*" => "121121211" ); // Convert to uppercase $upper_text = strtoupper($text); for ($X = 1; $X <= strlen($upper_text); $X++) { $code_string .= $code_array[substr($upper_text, ($X - 1), 1)] . "1"; } $code_string = "1211212111" . $code_string . "121121211"; } elseif (strtolower($code_type) == "code25") { $code_array1 = array("1", "2", "3", "4", "5", "6", "7", "8", "9", "0"); $code_array2 = array( "3-1-1-1-3", "1-3-1-1-3", "3-3-1-1-1", "1-1-3-1-3", "3-1-3-1-1", "1-3-3-1-1", "1-1-1-3-3", "3-1-1-3-1", "1-3-1-3-1", "1-1-3-3-1" ); for ($X = 1; $X <= strlen($text); $X++) { for ($Y = 0; $Y < count($code_array1); $Y++) { if (substr($text, ($X - 1), 1) == $code_array1[$Y]) { $temp[$X] = $code_array2[$Y]; } } } for ($X = 1; $X <= strlen($text); $X += 2) { if (isset($temp[$X]) && isset($temp[($X + 1)])) { $temp1 = explode("-", $temp[$X]); $temp2 = explode("-", $temp[($X + 1)]); for ($Y = 0; $Y < count($temp1); $Y++) { $code_string .= $temp1[$Y] . $temp2[$Y]; } } } $code_string = "1111" . $code_string . "311"; } elseif (strtolower($code_type) == "codabar") { $code_array1 = array( "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "-", "$", ":", "/", ".", "+", "A", "B", "C", "D" ); $code_array2 = array( "1111221", "1112112", "2211111", "1121121", "2111121", "1211112", "1211211", "1221111", "2112111", "1111122", "1112211", "1122111", "2111212", "2121112", "2121211", "1121212", "1122121", "1212112", "1112122", "1112221" ); // Convert to uppercase $upper_text = strtoupper($text); for ($X = 1; $X <= strlen($upper_text); $X++) { for ($Y = 0; $Y < count($code_array1); $Y++) { if (substr($upper_text, ($X - 1), 1) == $code_array1[$Y]) { $code_string .= $code_array2[$Y] . "1"; } } } $code_string = "11221211" . $code_string . "1122121"; } // Pad the edges of the barcode $code_length = 20; if ($print) { $text_height = 30; } else { $text_height = 0; } for ($i = 1; $i <= strlen($code_string); $i++) { $code_length = $code_length + (integer)(substr($code_string, ($i - 1), 1)); } if (strtolower($orientation) == "horizontal") { $img_width = $code_length * $SizeFactor; $img_height = $size; } else { $img_width = $size; $img_height = $code_length * $SizeFactor; } $image = imagecreate($img_width, $img_height + $text_height); $black = imagecolorallocate($image, 0, 0, 0); $white = imagecolorallocate($image, 255, 255, 255); imagefill($image, 0, 0, $white); if ($print) { imagestring($image, 5, 31, $img_height, $text, $black); } $location = 10; for ($position = 1; $position <= strlen($code_string); $position++) { $cur_size = $location + (substr($code_string, ($position - 1), 1)); if (strtolower($orientation) == "horizontal") { imagefilledrectangle($image, $location * $SizeFactor, 0, $cur_size * $SizeFactor, $img_height, ($position % 2 == 0 ? $white : $black)); } else { imagefilledrectangle($image, 0, $location * $SizeFactor, $img_width, $cur_size * $SizeFactor, ($position % 2 == 0 ? $white : $black)); } $location = $cur_size; } // Draw barcode to the screen or save in a file if ($filepath == "") { header('Content-type: image/png'); imagepng($image); imagedestroy($image); } else { imagepng($image, $filepath); imagedestroy($image); } } ?>