diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Barcode/Object/Code25interleaved.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Barcode/Object/Code25interleaved.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,179 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Barcode
+ * @subpackage Object
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Code25interleaved.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/** @see Zend_Barcode_Object_Code25 */
+require_once 'Zend/Barcode/Object/Code25.php';
+
+/** @see Zend_Validate_Barcode */
+require_once 'Zend/Validate/Barcode.php';
+
+/**
+ * Class for generate Interleaved 2 of 5 barcode
+ *
+ * @category   Zend
+ * @package    Zend_Barcode
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Barcode_Object_Code25interleaved extends Zend_Barcode_Object_Code25
+{
+    /**
+     * Drawing of bearer bars
+     * @var boolean
+     */
+    private $_withBearerBars = false;
+
+    /**
+     * Default options for Code25interleaved barcode
+     * @return void
+     */
+    protected function _getDefaultOptions()
+    {
+        $this->_barcodeLength = 'even';
+    }
+
+    /**
+     * Activate/deactivate drawing of bearer bars
+     * @param boolean $value
+     * @return Zend_Barcode_Object_Int25
+     */
+    public function setWithBearerBars($value)
+    {
+        $this->_withBearerBars = (bool) $value;
+        return $this;
+    }
+
+    /**
+     * Retrieve if bearer bars are enabled
+     * @return boolean
+     */
+    public function getWithBearerBars()
+    {
+        return $this->_withBearerBars;
+    }
+
+    /**
+     * Width of the barcode (in pixels)
+     * @return integer
+     */
+    protected function _calculateBarcodeWidth()
+    {
+        $quietZone       = $this->getQuietZone();
+        $startCharacter  = (4 * $this->_barThinWidth) * $this->_factor;
+        $characterLength = (3 * $this->_barThinWidth + 2 * $this->_barThickWidth) * $this->_factor;
+        $encodedData     = strlen($this->getText()) * $characterLength;
+        $stopCharacter   = ($this->_barThickWidth + 2 * $this->_barThinWidth) * $this->_factor;
+        return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;
+    }
+
+    /**
+     * Prepare array to draw barcode
+     * @return array
+     */
+    protected function _prepareBarcode()
+    {
+        if ($this->_withBearerBars) {
+            $this->_withBorder = false;
+        }
+
+        // Start character (0000)
+        $barcodeTable[] = array(1, $this->_barThinWidth, 0, 1);
+        $barcodeTable[] = array(0, $this->_barThinWidth, 0, 1);
+        $barcodeTable[] = array(1, $this->_barThinWidth, 0, 1);
+        $barcodeTable[] = array(0, $this->_barThinWidth, 0, 1);
+
+        // Encoded $text
+        $text = $this->getText();
+        for ($i = 0; $i < strlen($text); $i += 2) { // Draw 2 chars at a time
+            $char1 = substr($text, $i, 1);
+            $char2 = substr($text, $i + 1, 1);
+
+            // Interleave
+            for ($ibar = 0; $ibar < 5; $ibar ++) {
+                // Draws char1 bar (fore color)
+                $barWidth = (substr($this->_codingMap[$char1], $ibar, 1))
+                          ? $this->_barThickWidth
+                          : $this->_barThinWidth;
+
+                $barcodeTable[] = array(1, $barWidth, 0, 1);
+
+                // Left space corresponding to char2 (background color)
+                $barWidth = (substr($this->_codingMap[$char2], $ibar, 1))
+                          ? $this->_barThickWidth
+                          : $this->_barThinWidth;
+                $barcodeTable[] = array(0, $barWidth, 0 , 1);
+            }
+        }
+
+        // Stop character (100)
+        $barcodeTable[] = array(1 , $this->_barThickWidth, 0, 1);
+        $barcodeTable[] = array(0 , $this->_barThinWidth,  0, 1);
+        $barcodeTable[] = array(1 , $this->_barThinWidth,  0, 1);
+        return $barcodeTable;
+    }
+
+    /**
+     * Drawing of bearer bars (if enabled)
+     *
+     * @return void
+     */
+    protected function _postDrawBarcode()
+    {
+        if (!$this->_withBearerBars) {
+            return;
+        }
+
+        $width  = $this->_barThickWidth * $this->_factor;
+        $point1 = $this->_rotate(-1, -1);
+        $point2 = $this->_rotate($this->_calculateWidth() - 1, -1);
+        $point3 = $this->_rotate($this->_calculateWidth() - 1, $width - 1);
+        $point4 = $this->_rotate(-1, $width - 1);
+        $this->_addPolygon(array(
+            $point1,
+            $point2,
+            $point3,
+            $point4,
+        ));
+        $point1 = $this->_rotate(
+            0,
+            0 + $this->_barHeight * $this->_factor - 1
+        );
+        $point2 = $this->_rotate(
+            $this->_calculateWidth() - 1,
+            0 + $this->_barHeight * $this->_factor - 1
+        );
+        $point3 = $this->_rotate(
+            $this->_calculateWidth() - 1,
+            0 + $this->_barHeight * $this->_factor - $width
+        );
+        $point4 = $this->_rotate(
+            0,
+            0 + $this->_barHeight * $this->_factor - $width
+        );
+        $this->_addPolygon(array(
+            $point1,
+            $point2,
+            $point3,
+            $point4,
+        ));
+    }
+}