First Commit

include/barcode/code11.barcode.php

@@ -0,0 +1,118 @@
+<?php
+if(!defined('IN_CB'))die('You are not allowed to access to this page.');
+
+/**
+ * code11.php
+ *--------------------------------------------------------------------
+ *
+ * Sub-Class - Code 11
+ *
+ *--------------------------------------------------------------------
+ * Revision History
+ * V1.00	17 jun	2004	Jean-Sebastien Goupil
+ *--------------------------------------------------------------------
+ * Copyright (C) Jean-Sebastien Goupil
+ * http://other.lookstrike.com/barcode/
+ */
+class code11 extends BarCode {
+	protected $keys = array(), $code = array();
+	private $starting, $ending;
+	protected $text;
+	protected $textfont;
+
+	/**
+	 * Constructor
+	 *
+	 * @param int $maxHeight
+	 * @param FColor $color1
+	 * @param FColor $color2
+	 * @param int $res
+	 * @param string $text
+	 * @param int $textfont
+	 */
+	public function __construct($maxHeight,FColor $color1,FColor $color2,$res,$text,$textfont) {
+		BarCode::__construct($maxHeight,$color1,$color2,$res);
+		$this->starting = $this->ending = 47;
+		$this->keys = array('0','1','2','3','4','5','6','7','8','9','-');
+		$this->code = array(	// 0 added to add an extra space
+			'000010',	/* 0 */
+			'100010',	/* 1 */
+			'010010',	/* 2 */
+			'110000',	/* 3 */
+			'001010',	/* 4 */
+			'101000',	/* 5 */
+			'011000',	/* 6 */
+			'000110',	/* 7 */
+			'100100',	/* 8 */
+			'100000',	/* 9 */
+			'001000'	/* - */
+		);
+		$this->setText($text);
+		$this->textfont = $textfont;
+	}
+
+	/**
+	 * 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) {
+			// Starting Code
+			$this->DrawChar($im,'001100',1);
+			// Chars
+			for($i=0;$i<strlen($this->text);$i++)
+				$this->DrawChar($im,$this->findCode($this->text[$i]),1);
+			// Checksum
+			// First CheckSUM "C"
+			// The "C" checksum character is the modulo 11 remainder of the sum of the weighted
+			// value of the data characters. The weighting value starts at "1" for the right-most
+			// data character, 2 for the second to last, 3 for the third-to-last, and so on up to 20.
+			// After 10, the sequence wraps around back to 1.
+
+			// Second CheckSUM "K"
+			// Same as CheckSUM "C" but we count the CheckSum "C" at the end
+			// After 9, the sequence wraps around back to 1.
+			$sequence_multiplier = array(10,9);
+			$temp_text = $this->text;
+			for($z=0;$z<2;$z++) {
+				// We don't display the K CheckSum if the original text had a length less than 10
+				if(strlen($temp_text)<=10 && $z==1)
+					break;
+				$checksum = 0;
+				for($i=strlen($temp_text),$j=0;$i>0;$i--,$j++) {
+					$multiplier = $i % $sequence_multiplier[$z];
+					if($multiplier==0)
+						$multiplier=$sequence_multiplier[$z];
+					$checksum += $this->findIndex($temp_text[$j]) * $multiplier;
+				}
+				$this->DrawChar($im,$this->findCode($checksum % 11),1);
+				$temp_text .= $this->keys[$checksum % 11];
+			}
+			// Ending Code
+			$this->DrawChar($im,'00110',1);
+			$this->lastX = $this->positionX;
+			$this->lastY = $this->maxHeight;
+			$this->DrawText($im);
+		}
+	}
+};
+?>