1. Import

html/include/barcode_php8/class/BCGs25.barcode.php

@@ -0,0 +1,161 @@
+<?php
+/**
+ * BCGs25.barcode.php
+ *--------------------------------------------------------------------
+ *
+ * Sub-Class - Standard 2 of 5
+ *
+ * NOTE: It is really tough to read this barcode !
+ *
+ *--------------------------------------------------------------------
+ * Revision History
+ * v2.0.0	23 apr	2008	Jean-Sébastien Goupil	New Version Update
+ * v1.2.3b	31 dec	2005	Jean-Sébastien Goupil	Checksum separated + PHP5.1 compatible
+ * v1.2.2	23 jul	2005	Jean-Sébastien Goupil	Correct Checksum
+ * v1.2.1	27 jun	2005	Jean-Sébastien Goupil	Font support added
+ * V1.00	17 jun	2004	Jean-Sebastien Goupil
+ *--------------------------------------------------------------------
+ * $Id: BCGs25.barcode.php,v 1.8 2009/11/09 04:13:35 jsgoupil Exp $
+ * PHP5-Revision: 1.10
+ *--------------------------------------------------------------------
+ * Copyright (C) Jean-Sebastien Goupil
+ * http://www.barcodephp.com
+ */
+include_once('BCGBarcode1D.php');
+
+class BCGs25 extends BCGBarcode1D {
+	var $checksum;
+
+	/**
+	 * Constructor
+	 */
+	function BCGs25() {
+		BCGBarcode1D::BCGBarcode1D();
+
+		$this->keys = array('0','1','2','3','4','5','6','7','8','9');
+		$this->code = array(
+			'0000202000',	/* 0 */
+			'2000000020',	/* 1 */
+			'0020000020',	/* 2 */
+			'2020000000',	/* 3 */
+			'0000200020',	/* 4 */
+			'2000200000',	/* 5 */
+			'0020200000',	/* 6 */
+			'0000002020',	/* 7 */
+			'2000002000',	/* 8 */
+			'0020002000'	/* 9 */
+		);
+
+		$this->setChecksum(false);
+	}
+
+	function setChecksum($checksum) {
+		$this->checksum = (bool)$checksum;
+	}
+
+	/**
+	 * Draws the barcode
+	 *
+	 * @param resource $im
+	 */
+	function draw(&$im) {
+		$error_stop = false;
+
+		// Checking if all chars are allowed
+		$c = strlen($this->text);
+		for($i = 0; $i < $c; $i++) {
+			if(array_search($this->text[$i], $this->keys) === false) {
+				$this->drawError($im, 'Char \'' . $this->text[$i] . '\' not allowed.');
+				$error_stop = true;
+			}
+		}
+		if($error_stop === false) {
+			// Must be even
+			if($c % 2 !== 0 && $this->checksum === false) {
+				$this->drawError($im, 's25 must be even if checksum is false.');
+				$error_stop = true;
+			} elseif($c % 2 === 0 && $this->checksum === true) {
+				$this->drawError($im, 's25 must be odd if checksum is true.');
+				$error_stop = true;
+			}
+			if($error_stop === false) {
+				$temp_text = $this->text;
+				// Checksum
+				if($this->checksum === true) {
+					$this->calculateChecksum();
+					$temp_text .= $this->keys[$this->checksumValue];
+				}
+				// Starting Code
+				$this->drawChar($im, '101000', true);
+				// Chars
+				$c = strlen($temp_text);
+				for($i = 0; $i < $c; $i++) {
+					$this->drawChar($im, $this->findCode($temp_text[$i]), true);
+				}
+				// Ending Code
+				$this->drawChar($im, '10001', true);
+				$this->drawText($im);
+			}
+		}
+	}
+
+	/**
+	 * Returns the maximal size of a barcode
+	 *
+	 * @return int[]
+	 */
+	function getMaxSize() {
+		$p = BCGBarcode1D::getMaxSize();
+
+		$c = strlen($this->text);
+		$startlength = 8 * $this->scale;
+		$textlength = $c * 14 * $this->scale;
+		$checksumlength = 0;
+		if($c % 2 !== 0) {
+			$checksumlength = 14 * $this->scale;
+		}
+		$endlength = 7 * $this->scale;
+
+		return array($p[0] + $startlength + $textlength + $checksumlength + $endlength, $p[1]);
+	}
+
+	/**
+	 * Overloaded method to calculate checksum
+	 */
+	function calculateChecksum() {
+		// Calculating Checksum
+		// Consider the right-most digit of the message to be in an "even" position,
+		// and assign odd/even to each character moving from right to left
+		// Even Position = 3, Odd Position = 1
+		// Multiply it by the number
+		// Add all of that and do 10-(?mod10)
+		$even = true;
+		$this->checksumValue = 0;
+		$c = strlen($this->text);
+		for($i = $c; $i > 0; $i--) {
+			if($even === true) {
+				$multiplier = 3;
+				$even = false;
+			} else {
+				$multiplier = 1;
+				$even = true;
+			}
+			$this->checksumValue += $this->keys[$this->text[$i - 1]] * $multiplier;
+		}
+		$this->checksumValue = (10 - $this->checksumValue % 10) % 10;
+	}
+
+	/**
+	 * Overloaded method to display the checksum
+	 */
+	function processChecksum() {
+		if($this->checksumValue === false) { // Calculate the checksum only once
+			$this->calculateChecksum();
+		}
+		if($this->checksumValue !== false) {
+			return $this->keys[$this->checksumValue];
+		}
+		return false;
+	}
+};
+?>