First Commit

include/barcode/msi.barcode.php

@@ -0,0 +1,127 @@
+<?php
+if(!defined('IN_CB'))die('You are not allowed to access to this page.');
+
+/**
+ * msi.php
+ *--------------------------------------------------------------------
+ *
+ * Sub-Class - MSI Plessey
+ *
+ *--------------------------------------------------------------------
+ * Revision History
+ * V1.00	17 jun	2004	Jean-Sebastien Goupil
+ *--------------------------------------------------------------------
+ * Copyright (C) Jean-Sebastien Goupil
+ * http://other.lookstrike.com/barcode/
+ */
+class msi extends BarCode {
+	protected $keys = array(), $code = array();
+	protected $text;
+	protected $textfont;
+	private $checksum;
+
+	/**
+	 * Constructor
+	 *
+	 * @param int $maxHeight
+	 * @param FColor $color1
+	 * @param FColor $color2
+	 * @param int $res
+	 * @param string $text
+	 * @param int $textfont
+	 * @param int $checksum
+	 */
+	public function __construct($maxHeight,FColor $color1,FColor $color2,$res,$text,$textfont,$checksum=0) {
+		BarCode::__construct($maxHeight,$color1,$color2,$res);
+		$this->keys = array('0','1','2','3','4','5','6','7','8','9');
+		$this->code = array(
+			'01010101',	/* 0 */
+			'01010110',	/* 1 */
+			'01011001',	/* 2 */
+			'01011010',	/* 3 */
+			'01100101',	/* 4 */
+			'01100110',	/* 5 */
+			'01101001',	/* 6 */
+			'01101010',	/* 7 */
+			'10010101',	/* 8 */
+			'10010110'	/* 9 */
+		);
+		$this->setText($text);
+		$this->textfont = $textfont;
+		$this->checksum = $checksum;
+	}
+
+	/**
+	 * Saves Text
+	 *
+	 * @param string $text
+	 */
+	public function setText($text) {
+		$this->text = $text;
+	}
+
+	/**
+	 * Draws the barcode
+	 *
+	 * @param ressource $im
+	 */
+	public function draw($im) {
+		$error_stop = false;
+
+		// Checking if all chars are allowed
+		for($i=0;$i<strlen($this->text);$i++) {
+			if(!is_int(array_search($this->text[$i],$this->keys))) {
+				$this->DrawError($im,'Char \''.$this->text[$i].'\' not allowed.');
+				$error_stop = true;
+			}
+		}
+		if($error_stop == false) {
+			// We calculate checksum first
+			// Forming a new number
+			// If the original number is even, we take all even position
+			// If the original number is odd, we take all odd position
+			// 123456 = 246
+			// 12345 = 135
+			// Multiply by 2
+			// Add up all the digit in the result (270 : 2+7+0)
+			// Add up other digit not used.
+			// 10 - (? Modulo 10). If result = 10, change to 0
+			$last_checksum = $this->checksum;
+			$last_text = $this->text;
+			$checksum = array();
+			for($i=0;$i<$last_checksum;$i++){
+				$new_text = '';
+				$new_number = 0;
+				if(strlen($last_text) % 2 == 0) // Even
+					$starting = 1;
+				else
+					$starting = 0;
+				for($j=$starting;$j<strlen($last_text);$j+=2)
+					$new_text .= $last_text[$j];
+				$new_text = strval(intval($new_text)*2);
+				for($j=0;$j<strlen($new_text);$j++)
+					$new_number += intval($new_text[$j]);
+				for($j=($starting==0)?1:0;$j<strlen($last_text);$j+=2){
+					$new_number += intval($last_text[$j]);
+				}
+				$new_number = 10 - $new_number % 10;
+				$new_number = ($new_number == 10)?0:$new_number;
+				$checksum[] = $new_number;
+				$last_text .= $new_number;
+			}
+			// Starting Code
+			$this->DrawChar($im,'10',1);
+			// Chars
+			for($i=0;$i<strlen($this->text);$i++)
+				$this->DrawChar($im,$this->findCode($this->text[$i]),1);
+			for($i=0;$i<count($checksum);$i++)
+				$this->DrawChar($im,$this->findCode($checksum[$i]),1);
+			// Ending Code
+			$this->DrawChar($im,'010',1);
+			$this->lastX = $this->positionX;
+			$this->lastY = $this->maxHeight;
+			$this->DrawText($im);
+		}
+	}
+};
+?>