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- <?php
-
- include_once('BCGParseException.php');
- include_once('BCGArgumentException.php');
- include_once('BCGBarcode1D.php');
-
- class BCGmsi extends BCGBarcode1D {
- private $checksum;
-
-
-
- public function __construct() {
- parent::__construct();
-
- $this->keys = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
- $this->code = array(
- '01010101',
- '01010110',
- '01011001',
- '01011010',
- '01100101',
- '01100110',
- '01101001',
- '01101010',
- '10010101',
- '10010110'
- );
-
- $this->setChecksum(0);
- }
-
-
-
- public function setChecksum($checksum) {
- $checksum = intval($checksum);
- if ($checksum < 0 && $checksum > 2) {
- throw new BCGArgumentException('The checksum must be between 0 and 2 included.', 'checksum');
- }
-
- $this->checksum = $checksum;
- }
-
-
-
- public function draw($im) {
-
- $this->calculateChecksum();
-
-
- $this->drawChar($im, '10', true);
-
-
- $c = strlen($this->text);
- for ($i = 0; $i < $c; $i++) {
- $this->drawChar($im, $this->findCode($this->text[$i]), true);
- }
-
- $c = count($this->checksumValue);
- for ($i = 0; $i < $c; $i++) {
- $this->drawChar($im, $this->findCode($this->checksumValue[$i]), true);
- }
-
-
- $this->drawChar($im, '010', true);
- $this->drawText($im, 0, 0, $this->positionX, $this->thickness);
- }
-
-
-
- public function getDimension($w, $h) {
- $textlength = 12 * strlen($this->text);
- $startlength = 3;
- $checksumlength = $this->checksum * 12;
- $endlength = 4;
-
- $w += $startlength + $textlength + $checksumlength + $endlength;
- $h += $this->thickness;
- return parent::getDimension($w, $h);
- }
-
-
-
- protected function validate() {
- $c = strlen($this->text);
- if ($c === 0) {
- throw new BCGParseException('msi', 'No data has been entered.');
- }
-
-
- for ($i = 0; $i < $c; $i++) {
- if (array_search($this->text[$i], $this->keys) === false) {
- throw new BCGParseException('msi', 'The character \'' . $this->text[$i] . '\' is not allowed.');
- }
- }
- }
-
-
-
- protected function calculateChecksum() {
-
-
-
-
-
-
-
-
-
- $last_text = $this->text;
- $this->checksumValue = array();
- for ($i = 0; $i < $this->checksum; $i++) {
- $new_text = '';
- $new_number = 0;
- $c = strlen($last_text);
- if ($c % 2 === 0) {
- $starting = 1;
- } else {
- $starting = 0;
- }
-
- for ($j = $starting; $j < $c; $j += 2) {
- $new_text .= $last_text[$j];
- }
-
- $new_text = strval(intval($new_text) * 2);
- $c2 = strlen($new_text);
- for ($j = 0; $j < $c2; $j++) {
- $new_number += intval($new_text[$j]);
- }
-
- for ($j = ($starting === 0) ? 1 : 0; $j < $c; $j += 2) {
- $new_number += intval($last_text[$j]);
- }
-
- $new_number = (10 - $new_number % 10) % 10;
- $this->checksumValue[] = $new_number;
- $last_text .= $new_number;
- }
- }
-
-
-
- protected function processChecksum() {
- if ($this->checksumValue === false) {
- $this->calculateChecksum();
- }
-
- if ($this->checksumValue !== false) {
- $ret = '';
- $c = count($this->checksumValue);
- for ($i = 0; $i < $c; $i++) {
- $ret .= $this->keys[$this->checksumValue[$i]];
- }
-
- return $ret;
- }
-
- return false;
- }
- }
- ?>
|