diff -r 000000000000 -r 4eba9c11703f web/Zend/Pdf/Color/Rgb.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Pdf/Color/Rgb.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,114 @@
+<?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_Pdf
+ * @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: Rgb.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/** Internally used classes */
+require_once 'Zend/Pdf/Element/Numeric.php';
+
+
+/** Zend_Pdf_Color */
+require_once 'Zend/Pdf/Color.php';
+
+/**
+ * RGB color implementation
+ *
+ * @category   Zend
+ * @package    Zend_Pdf
+ * @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_Pdf_Color_Rgb extends Zend_Pdf_Color
+{
+    /**
+     * Red level.
+     * 0.0 (zero concentration) - 1.0 (maximum concentration)
+     *
+     * @var Zend_Pdf_Element_Numeric
+     */
+    private $_r;
+
+    /**
+     * Green level.
+     * 0.0 (zero concentration) - 1.0 (maximum concentration)
+     *
+     * @var Zend_Pdf_Element_Numeric
+     */
+    private $_g;
+
+    /**
+     * Blue level.
+     * 0.0 (zero concentration) - 1.0 (maximum concentration)
+     *
+     * @var Zend_Pdf_Element_Numeric
+     */
+    private $_b;
+
+
+    /**
+     * Object constructor
+     *
+     * @param float $r
+     * @param float $g
+     * @param float $b
+     */
+    public function __construct($r, $g, $b)
+    {
+        /** Clamp values to legal limits. */
+        if ($r < 0) { $r = 0; }
+        if ($r > 1) { $r = 1; }
+
+        if ($g < 0) { $g = 0; }
+        if ($g > 1) { $g = 1; }
+
+        if ($b < 0) { $b = 0; }
+        if ($b > 1) { $b = 1; }
+
+        $this->_r = new Zend_Pdf_Element_Numeric($r);
+        $this->_g = new Zend_Pdf_Element_Numeric($g);
+        $this->_b = new Zend_Pdf_Element_Numeric($b);
+    }
+
+    /**
+     * Instructions, which can be directly inserted into content stream
+     * to switch color.
+     * Color set instructions differ for stroking and nonstroking operations.
+     *
+     * @param boolean $stroking
+     * @return string
+     */
+    public function instructions($stroking)
+    {
+        return $this->_r->toString() . ' '
+             . $this->_g->toString() . ' '
+             . $this->_b->toString() .     ($stroking? " RG\n" : " rg\n");
+    }
+
+    /**
+     * Get color components (color space dependent)
+     *
+     * @return array
+     */
+    public function getComponents()
+    {
+        return array($this->_r->value, $this->_g->value, $this->_b->value);
+    }
+}
+