s2o5.inc in Barcode 7.2
Same filename and directory in other branches
Barcode plugin Standard 2 of 5: Used in airline ticket marking, photofinishing Industrial 2 of 5: Same as Standard 2 of 5
File
plugins/s2o5.incView source
<?php
/**
* @file
* Barcode plugin
* Standard 2 of 5: Used in airline ticket marking, photofinishing
* Industrial 2 of 5: Same as Standard 2 of 5
*/
function barcode_s2o5_barcode($barnumber, $settings) {
$bars = barcode_s2o5_encode($barnumber, $settings);
if (empty($settings->filename_no_format)) {
header("Content-type: image/" . $settings->format);
}
$scale = $settings->scale;
if ($scale < 1) {
$scale = 2;
}
$total_y = (double) $scale * $settings->height;
$space = array(
'top' => 2 * $scale,
'bottom' => 2 * $scale,
'left' => 2 * $scale,
'right' => 2 * $scale,
);
/* count total width */
$xpos = $scale * strlen($bars);
/* allocate the image */
$total_x = $xpos + $space['left'] + $space['right'];
$xpos = $space['left'];
$height = floor($total_y - $scale * 10);
$height2 = floor($total_y - $space['bottom']);
$im = @imagecreatetruecolor($total_x, $total_y);
$bg_color = @imagecolorallocate($im, $settings->bgcolor[0], $settings->bgcolor[1], $settings->bgcolor[2]);
@imagefilledrectangle($im, 0, 0, $total_x, $total_y, $bg_color);
$bar_color = @imagecolorallocate($im, $settings->color[0], $settings->color[1], $settings->color[2]);
for ($i = 0; $i < strlen($bars); $i++) {
$h = $height;
$val = strtoupper($bars[$i]);
if ($val == 1) {
@imagefilledrectangle($im, $xpos, $space['top'], $xpos + $scale - 1, $h, $bar_color);
}
$xpos += $scale;
}
$x = ($total_x - strlen($bars)) / 2;
@imagettftext($im, $scale * 6, 0, $x, $height2, $bar_color, $settings->font, $barnumber);
if ($settings->format == "png") {
if (!empty($settings->filename_no_format)) {
@imagepng($im, $settings->filename_no_format . "." . $settings->format);
}
else {
@imagepng($im);
}
}
if ($settings->format == "gif") {
if (!empty($settings->filename_no_format)) {
@imagegif($im, $settings->filename_no_format . "." . $settings->format);
}
else {
@imagegif($im);
}
}
if ($settings->format == "jpg" || $settings->format == "jpeg") {
if (!empty($settings->filename_no_format)) {
@imagejpeg($im, $settings->filename_no_format . "." . $settings->format);
}
else {
@imagejpeg($im);
}
}
@imagedestroy($im);
}
/* A Standard 2 of 5 barcode has the following physical structure:
*
* Start character, encoded as 11011010.
* Data characters properly encoded (see encoding table below).
* Stop character, encoded as 11010110.
*
* ASCII BARCODE
* 0 NNWWN
* 1 WNNNW
* 2 NWNNW
* 3 WWNNN
* 4 NNWNW
* 5 WNWNN
* 6 NWWNN
* 7 NNNWW
* 8 WNNWN
* 9 NWNWN
*/
function barcode_s2o5_encode($barnumber, $settings) {
$enc_table = array(
"NNWWN",
"WNNNW",
"NWNNW",
"WWNNN",
"NNWNW",
"WNWNN",
"NWWNN",
"NNNWW",
"WNNWN",
"NWNWN",
);
$guards = array(
"11011010",
"1101011",
);
$len = strlen($barnumber);
$barnumber = barcode_check_digit($barnumber, $len);
if ($len == strlen($barnumber) && substr($barnumber, -1) != '0') {
$barnumber .= '0';
}
$mfc_str = "";
$widebar = str_pad("", $settings->n2w, "1", STR_PAD_LEFT);
$widebar .= "0";
for ($i = 0; $i < strlen($barnumber); $i++) {
$num = (int) $barnumber[$i];
$str = "";
$str = str_replace("N", "10", $enc_table[$num]);
$str = str_replace("W", $widebar, $str);
$mfc_str .= $str;
}
return $guards[0] . $mfc_str . $guards[1];
}
Functions
Name | Description |
---|---|
barcode_s2o5_barcode | @file Barcode plugin Standard 2 of 5: Used in airline ticket marking, photofinishing Industrial 2 of 5: Same as Standard 2 of 5 |
barcode_s2o5_encode |