First Commit

include/barcode/code93.barcode.php

@@ -0,0 +1,162 @@
+<?php
+if(!defined('IN_CB'))die('You are not allowed to access to this page.');
+
+/**
+ * code93.php
+ *--------------------------------------------------------------------
+ *
+ * Sub-Class - Code 93
+ *
+ *--------------------------------------------------------------------
+ * Revision History
+ * V1.00	17 jun	2004	Jean-Sebastien Goupil
+ *--------------------------------------------------------------------
+ * Copyright (C) Jean-Sebastien Goupil
+ * http://other.lookstrike.com/barcode/
+ */
+class code93 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;
+		$this->keys = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','-','.',' ','$','/','+','%','($)','(%)','(/)','(+)','*');
+		$this->code = array(
+			'020001',	/* 0 */
+			'000102',	/* 1 */
+			'000201',	/* 2 */
+			'000300',	/* 3 */
+			'010002',	/* 4 */
+			'010101',	/* 5 */
+			'010200',	/* 6 */
+			'000003',	/* 7 */
+			'020100',	/* 8 */
+			'030000',	/* 9 */
+			'100002',	/* A */
+			'100101',	/* B */
+			'100200',	/* C */
+			'110001',	/* D */
+			'110100',	/* E */
+			'120000',	/* F */
+			'001002',	/* G */
+			'001101',	/* H */
+			'001200',	/* I */
+			'011001',	/* J */
+			'021000',	/* K */
+			'000012',	/* L */
+			'000111',	/* M */
+			'000210',	/* N */
+			'010011',	/* O */
+			'020010',	/* P */
+			'101001',	/* Q */
+			'101100',	/* R */
+			'100011',	/* S */
+			'100110',	/* T */
+			'110010',	/* U */
+			'111000',	/* V */
+			'001011',	/* W */
+			'001110',	/* X */
+			'011010',	/* Y */
+			'012000',	/* Z */
+			'010020',	/* - */
+			'200001',	/* . */
+			'200100',	/*   */
+			'210000',	/* $ */
+			'001020',	/* / */
+			'002010',	/* + */
+			'100020',	/* % */
+			'010110',	/*($)*/
+			'201000',	/*(%)*/
+			'200010',	/*(/)*/
+			'011100',	/*(+)*/
+			'000030'	/* * */
+		);
+		$this->setText($text);
+		$this->textfont = $textfont;
+	}
+
+	/**
+	 * Saves Text
+	 *
+	 * @param string $text
+	 */
+	public function setText($text) {
+		$this->text = strtoupper($text);	// Only Capital Letters are Allowed
+	}
+
+	/**
+	 * 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) {
+			// The * is not allowed
+			if(is_int(strpos($this->text,'*'))) {
+				$this->DrawError($im,'Char \'*\' not allowed.');
+				$error_stop = true;
+			}
+
+			if($error_stop == false) {
+				// Starting *
+				$this->DrawChar($im,$this->code[$this->starting],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 47 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 20, the sequence wraps around back to 1.
+
+				// Second CheckSUM "K"
+				// Same as CheckSUM "C" but we count the CheckSum "C" at the end
+				// After 15, the sequence wraps around back to 1.
+				$sequence_multiplier = array(20,15);
+				$temp_text = $this->text;
+				for($z=0;$z<2;$z++) {
+					$checksum = 0;
+					for($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,$this->code[$checksum % 47],1);
+					$temp_text .= $this->keys[$checksum % 47];
+				}
+				// Ending *
+				$this->DrawChar($im,$this->code[$this->ending],1);
+				// Draw a Final Bar
+				$this->DrawChar($im,'0',1);
+				$this->lastX = $this->positionX;
+				$this->lastY = $this->maxHeight;
+				$this->DrawText($im);
+			}
+		}
+	}
+};
+?>