diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Barcode/Renderer/Pdf.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Barcode/Renderer/Pdf.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,242 @@
+<?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 Renderer
+ * @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: Pdf.php 22418 2010-06-11 16:27:22Z mikaelkael $
+ */
+
+/** @see Zend_Barcode_Renderer_RendererAbstract */
+require_once 'Zend/Barcode/Renderer/RendererAbstract.php';
+
+/** @see Zend_Pdf */
+require_once 'Zend/Pdf.php';
+
+/** @see Zend_Pdf_Page */
+require_once 'Zend/Pdf/Page.php';
+
+/** @see Zend_Pdf_Color_Rgb */
+require_once 'Zend/Pdf/Color/Rgb.php';
+
+/**
+ * Class for rendering the barcode in PDF resource
+ *
+ * @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_Renderer_Pdf extends Zend_Barcode_Renderer_RendererAbstract
+{
+    /**
+     * PDF resource
+     * @var Zend_Pdf
+     */
+    protected $_resource = null;
+
+    /**
+     * Page number in PDF resource
+     * @var integer
+     */
+    protected $_page = 0;
+
+    /**
+     * Module size rendering
+     * @var float
+     */
+    protected $_moduleSize = 0.5;
+
+    /**
+     * Set an image resource to draw the barcode inside
+     * @param resource $value
+     * @return Zend_Barcode_Renderer
+     * @throw Zend_Barcode_Renderer_Exception
+     */
+    public function setResource($pdf, $page = 0)
+    {
+        if (!$pdf instanceof Zend_Pdf) {
+            require_once 'Zend/Barcode/Renderer/Exception.php';
+            throw new Zend_Barcode_Renderer_Exception(
+                'Invalid Zend_Pdf resource provided to setResource()'
+            );
+        }
+
+        $this->_resource = $pdf;
+        $this->_page     = intval($page);
+
+        if (!count($this->_resource->pages)) {
+            $this->_page = 0;
+            $this->_resource->pages[] = new Zend_Pdf_Page(
+                Zend_Pdf_Page::SIZE_A4
+            );
+        }
+        return $this;
+    }
+
+    /**
+     * Check renderer parameters
+     *
+     * @return void
+     */
+    protected function _checkParams()
+    {
+    }
+
+    /**
+     * Draw the barcode in the PDF, send headers and the PDF
+     * @return mixed
+     */
+    public function render()
+    {
+        $this->draw();
+        header("Content-Type: application/pdf");
+        echo $this->_resource->render();
+    }
+
+    /**
+     * Initialize the PDF resource
+     * @return void
+     */
+    protected function _initRenderer()
+    {
+        if ($this->_resource === null) {
+            $this->_resource = new Zend_Pdf();
+            $this->_resource->pages[] = new Zend_Pdf_Page(
+                Zend_Pdf_Page::SIZE_A4
+            );
+        }
+
+        $pdfPage = $this->_resource->pages[$this->_page];
+        $this->_adjustPosition($pdfPage->getHeight(), $pdfPage->getWidth());
+    }
+
+    /**
+     * Draw a polygon in the rendering resource
+     * @param array $points
+     * @param integer $color
+     * @param boolean $filled
+     */
+    protected function _drawPolygon($points, $color, $filled = true)
+    {
+        $page = $this->_resource->pages[$this->_page];
+        foreach ($points as $point) {
+            $x[] = $point[0] * $this->_moduleSize + $this->_leftOffset;
+            $y[] = $page->getHeight() - $point[1] * $this->_moduleSize - $this->_topOffset;
+        }
+        if (count($y) == 4) {
+            if ($x[0] != $x[3] && $y[0] == $y[3]) {
+                $y[0] -= ($this->_moduleSize / 2);
+                $y[3] -= ($this->_moduleSize / 2);
+            }
+            if ($x[1] != $x[2] && $y[1] == $y[2]) {
+                $y[1] += ($this->_moduleSize / 2);
+                $y[2] += ($this->_moduleSize / 2);
+            }
+        }
+
+        $color = new Zend_Pdf_Color_Rgb(
+            (($color & 0xFF0000) >> 16) / 255.0,
+            (($color & 0x00FF00) >> 8) / 255.0,
+            ($color & 0x0000FF) / 255.0
+        );
+
+        $page->setLineColor($color);
+        $page->setFillColor($color);
+        $page->setLineWidth($this->_moduleSize);
+
+        $fillType = ($filled)
+                  ? Zend_Pdf_Page::SHAPE_DRAW_FILL_AND_STROKE
+                  : Zend_Pdf_Page::SHAPE_DRAW_STROKE;
+
+        $page->drawPolygon($x, $y, $fillType);
+    }
+
+    /**
+     * Draw a text in the rendering resource
+     * @param string $text
+     * @param float $size
+     * @param array $position
+     * @param string $font
+     * @param integer $color
+     * @param string $alignment
+     * @param float $orientation
+     */
+    protected function _drawText(
+        $text,
+        $size,
+        $position,
+        $font,
+        $color,
+        $alignment = 'center',
+        $orientation = 0
+    ) {
+        $page  = $this->_resource->pages[$this->_page];
+        $color = new Zend_Pdf_Color_Rgb(
+            (($color & 0xFF0000) >> 16) / 255.0,
+            (($color & 0x00FF00) >> 8) / 255.0,
+            ($color & 0x0000FF) / 255.0
+        );
+
+        $page->setLineColor($color);
+        $page->setFillColor($color);
+        $page->setFont(Zend_Pdf_Font::fontWithPath($font), $size * $this->_moduleSize * 1.2);
+
+        $width = $this->widthForStringUsingFontSize(
+            $text,
+            Zend_Pdf_Font::fontWithPath($font),
+            $size * $this->_moduleSize
+        );
+
+        $angle = pi() * $orientation / 180;
+        $left = $position[0] * $this->_moduleSize + $this->_leftOffset;
+        $top  = $page->getHeight() - $position[1] * $this->_moduleSize - $this->_topOffset;
+
+        switch ($alignment) {
+            case 'center':
+                $left -= ($width / 2) * cos($angle);
+                $top  -= ($width / 2) * sin($angle);
+                break;
+            case 'right':
+                $left -= $width;
+                break;
+        }
+        $page->rotate($left, $top, $angle);
+        $page->drawText($text, $left, $top);
+        $page->rotate($left, $top, - $angle);
+    }
+
+    /**
+     * Calculate the width of a string:
+     * in case of using alignment parameter in drawText
+     * @param string $text
+     * @param Zend_Pdf_Font $font
+     * @param float $fontSize
+     * @return float
+     */
+    public function widthForStringUsingFontSize($text, $font, $fontSize)
+    {
+        $drawingString = iconv('UTF-8', 'UTF-16BE//IGNORE', $text);
+        $characters    = array();
+        for ($i = 0; $i < strlen($drawingString); $i ++) {
+            $characters[] = (ord($drawingString[$i ++]) << 8) | ord($drawingString[$i]);
+        }
+        $glyphs = $font->glyphNumbersForCharacters($characters);
+        $widths = $font->widthsForGlyphs($glyphs);
+        $stringWidth = (array_sum($widths) / $font->getUnitsPerEm()) * $fontSize;
+        return $stringWidth;
+    }
+}