<?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: Html.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/** Zend_Pdf_Color */

require_once 'Zend/Pdf/Color.php';

/**

 * HTML color implementation

 *

 * Factory class which vends Zend_Pdf_Color objects from typical HTML

 * representations.

 *

 * @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_Html extends Zend_Pdf_Color

{

    /**

     * Color

     *

     * @var Zend_Pdf_Color

     */

    private $_color;

    /**

     * Class constructor.

     *

     * @param mixed $color

     * @throws Zend_Pdf_Exception

     */

    public function __construct($color)

    {

        $this->_color = self::color($color);

    }

    /**

     * 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 $this->_color->instructions($stroking);

    }

    /**

     * Get color components (color space dependent)

     *

     * @return array

     */

    public function getComponents()

    {

        return $this->_color->getComponents();

    }

    /**

     * Creates a Zend_Pdf_Color object from the HTML representation.

     *

     * @param string $color May either be a hexidecimal number of the form

     *    #rrggbb or one of the 140 well-known names (black, white, blue, etc.)

     * @return Zend_Pdf_Color

     */

    public static function color($color)

    {

        $pattern = '/^#([A-Fa-f0-9]{2})([A-Fa-f0-9]{2})([A-Fa-f0-9]{2})$/';

        if (preg_match($pattern, $color, $matches)) {

            $r = round((hexdec($matches[1]) / 255), 3);

            $g = round((hexdec($matches[2]) / 255), 3);

            $b = round((hexdec($matches[3]) / 255), 3);

            if (($r == $g) && ($g == $b)) {

                require_once 'Zend/Pdf/Color/GrayScale.php';

                return new Zend_Pdf_Color_GrayScale($r);

            } else {

                require_once 'Zend/Pdf/Color/Rgb.php';

                return new Zend_Pdf_Color_Rgb($r, $g, $b);

            }

        } else {

            return Zend_Pdf_Color_Html::namedColor($color);

        }

    }

    /**

     * Creates a Zend_Pdf_Color object from the named color.

     *

     * @param string $color One of the 140 well-known color names (black, white,

     *    blue, etc.)

     * @return Zend_Pdf_Color

     */

    public static function namedColor($color)

    {

        switch (strtolower($color)) {

            case 'aqua':

                $r = 0.0;   $g = 1.0;   $b = 1.0;   break;

            case 'black':

                $r = 0.0;   $g = 0.0;   $b = 0.0;   break;

            case 'blue':

                $r = 0.0;   $g = 0.0;   $b = 1.0;   break;

            case 'fuchsia':

                $r = 1.0;   $g = 0.0;   $b = 1.0;   break;

            case 'gray':

                $r = 0.502; $g = 0.502; $b = 0.502; break;

            case 'green':

                $r = 0.0;   $g = 0.502; $b = 0.0;   break;

            case 'lime':

                $r = 0.0;   $g = 1.0;   $b = 0.0;   break;

            case 'maroon':

                $r = 0.502; $g = 0.0;   $b = 0.0;   break;

            case 'navy':

                $r = 0.0;   $g = 0.0;   $b = 0.502; break;

            case 'olive':

                $r = 0.502; $g = 0.502; $b = 0.0;   break;

            case 'purple':

                $r = 0.502; $g = 0.0;   $b = 0.502; break;

            case 'red':

                $r = 1.0;   $g = 0.0;   $b = 0.0;   break;

            case 'silver':

                $r = 0.753; $g = 0.753; $b = 0.753; break;

            case 'teal':

                $r = 0.0;   $g = 0.502; $b = 0.502; break;

            case 'white':

                $r = 1.0;   $g = 1.0;   $b = 1.0;   break;

            case 'yellow':

                $r = 1.0;   $g = 1.0;   $b = 0.0;   break;

            case 'aliceblue':

                $r = 0.941; $g = 0.973; $b = 1.0;   break;

            case 'antiquewhite':

                $r = 0.980; $g = 0.922; $b = 0.843; break;

            case 'aquamarine':

                $r = 0.498; $g = 1.0;   $b = 0.831; break;

            case 'azure':

                $r = 0.941; $g = 1.0;   $b = 1.0;   break;

            case 'beige':

                $r = 0.961; $g = 0.961; $b = 0.863; break;

            case 'bisque':

                $r = 1.0;   $g = 0.894; $b = 0.769; break;

            case 'blanchedalmond':

                $r = 1.0;   $g = 1.0;   $b = 0.804; break;

            case 'blueviolet':

                $r = 0.541; $g = 0.169; $b = 0.886; break;

            case 'brown':

                $r = 0.647; $g = 0.165; $b = 0.165; break;

            case 'burlywood':

                $r = 0.871; $g = 0.722; $b = 0.529; break;

            case 'cadetblue':

                $r = 0.373; $g = 0.620; $b = 0.627; break;

            case 'chartreuse':

                $r = 0.498; $g = 1.0;   $b = 0.0;   break;

            case 'chocolate':

                $r = 0.824; $g = 0.412; $b = 0.118; break;

            case 'coral':

                $r = 1.0;   $g = 0.498; $b = 0.314; break;

            case 'cornflowerblue':

                $r = 0.392; $g = 0.584; $b = 0.929; break;

            case 'cornsilk':

                $r = 1.0;   $g = 0.973; $b = 0.863; break;

            case 'crimson':

                $r = 0.863; $g = 0.078; $b = 0.235; break;

            case 'cyan':

                $r = 0.0;   $g = 1.0;   $b = 1.0;   break;

            case 'darkblue':

                $r = 0.0;   $g = 0.0;   $b = 0.545; break;

            case 'darkcyan':

                $r = 0.0;   $g = 0.545; $b = 0.545; break;

            case 'darkgoldenrod':

                $r = 0.722; $g = 0.525; $b = 0.043; break;

            case 'darkgray':

                $r = 0.663; $g = 0.663; $b = 0.663; break;

            case 'darkgreen':

                $r = 0.0;   $g = 0.392; $b = 0.0;   break;

            case 'darkkhaki':

                $r = 0.741; $g = 0.718; $b = 0.420; break;

            case 'darkmagenta':

                $r = 0.545; $g = 0.0;   $b = 0.545; break;

            case 'darkolivegreen':

                $r = 0.333; $g = 0.420; $b = 0.184; break;

            case 'darkorange':

                $r = 1.0;   $g = 0.549; $b = 0.0;   break;

            case 'darkorchid':

                $r = 0.6;   $g = 0.196; $b = 0.8;   break;

            case 'darkred':

                $r = 0.545; $g = 0.0;   $b = 0.0;   break;

            case 'darksalmon':

                $r = 0.914; $g = 0.588; $b = 0.478; break;

            case 'darkseagreen':

                $r = 0.561; $g = 0.737; $b = 0.561; break;

            case 'darkslateblue':

                $r = 0.282; $g = 0.239; $b = 0.545; break;

            case 'darkslategray':

                $r = 0.184; $g = 0.310; $b = 0.310; break;

            case 'darkturquoise':

                $r = 0.0;   $g = 0.808; $b = 0.820; break;

            case 'darkviolet':

                $r = 0.580; $g = 0.0;   $b = 0.827; break;

            case 'deeppink':

                $r = 1.0;   $g = 0.078; $b = 0.576; break;

            case 'deepskyblue':

                $r = 0.0;   $g = 0.749; $b = 1.0;   break;

            case 'dimgray':

                $r = 0.412; $g = 0.412; $b = 0.412; break;

            case 'dodgerblue':

                $r = 0.118; $g = 0.565; $b = 1.0;   break;

            case 'firebrick':

                $r = 0.698; $g = 0.133; $b = 0.133; break;

            case 'floralwhite':

                $r = 1.0;   $g = 0.980; $b = 0.941; break;

            case 'forestgreen':

                $r = 0.133; $g = 0.545; $b = 0.133; break;

            case 'gainsboro':

                $r = 0.863; $g = 0.863; $b = 0.863; break;

            case 'ghostwhite':

                $r = 0.973; $g = 0.973; $b = 1.0;   break;

            case 'gold':

                $r = 1.0;   $g = 0.843; $b = 0.0;   break;

            case 'goldenrod':

                $r = 0.855; $g = 0.647; $b = 0.125; break;

            case 'greenyellow':

                $r = 0.678; $g = 1.0;   $b = 0.184; break;

            case 'honeydew':

                $r = 0.941; $g = 1.0;   $b = 0.941; break;

            case 'hotpink':

                $r = 1.0;   $g = 0.412; $b = 0.706; break;

            case 'indianred':

                $r = 0.804; $g = 0.361; $b = 0.361; break;

            case 'indigo':

                $r = 0.294; $g = 0.0;   $b = 0.510; break;

            case 'ivory':

                $r = 1.0;   $g = 0.941; $b = 0.941; break;

            case 'khaki':

                $r = 0.941; $g = 0.902; $b = 0.549; break;

            case 'lavender':

                $r = 0.902; $g = 0.902; $b = 0.980; break;

            case 'lavenderblush':

                $r = 1.0;   $g = 0.941; $b = 0.961; break;

            case 'lawngreen':

                $r = 0.486; $g = 0.988; $b = 0.0;   break;

            case 'lemonchiffon':

                $r = 1.0;   $g = 0.980; $b = 0.804; break;

            case 'lightblue':

                $r = 0.678; $g = 0.847; $b = 0.902; break;

            case 'lightcoral':

                $r = 0.941; $g = 0.502; $b = 0.502; break;

            case 'lightcyan':

                $r = 0.878; $g = 1.0;   $b = 1.0;   break;

            case 'lightgoldenrodyellow':

                $r = 0.980; $g = 0.980; $b = 0.824; break;

            case 'lightgreen':

                $r = 0.565; $g = 0.933; $b = 0.565; break;

            case 'lightgrey':

                $r = 0.827; $g = 0.827; $b = 0.827; break;

            case 'lightpink':

                $r = 1.0;   $g = 0.714; $b = 0.757; break;

            case 'lightsalmon':

                $r = 1.0;   $g = 0.627; $b = 0.478; break;

            case 'lightseagreen':

                $r = 0.125; $g = 0.698; $b = 0.667; break;

            case 'lightskyblue':

                $r = 0.529; $g = 0.808; $b = 0.980; break;

            case 'lightslategray':

                $r = 0.467; $g = 0.533; $b = 0.6;   break;

            case 'lightsteelblue':

                $r = 0.690; $g = 0.769; $b = 0.871; break;

            case 'lightyellow':

                $r = 1.0;   $g = 1.0;   $b = 0.878; break;

            case 'limegreen':

                $r = 0.196; $g = 0.804; $b = 0.196; break;

            case 'linen':

                $r = 0.980; $g = 0.941; $b = 0.902; break;

            case 'magenta':

                $r = 1.0;   $g = 0.0;   $b = 1.0;   break;

            case 'mediumaquamarine':

                $r = 0.4;   $g = 0.804; $b = 0.667; break;

            case 'mediumblue':

                $r = 0.0;   $g = 0.0;   $b = 0.804; break;

            case 'mediumorchid':

                $r = 0.729; $g = 0.333; $b = 0.827; break;

            case 'mediumpurple':

                $r = 0.576; $g = 0.439; $b = 0.859; break;

            case 'mediumseagreen':

                $r = 0.235; $g = 0.702; $b = 0.443; break;

            case 'mediumslateblue':

                $r = 0.482; $g = 0.408; $b = 0.933; break;

            case 'mediumspringgreen':

                $r = 0.0;   $g = 0.980; $b = 0.604; break;

            case 'mediumturquoise':

                $r = 0.282; $g = 0.820; $b = 0.8;   break;

            case 'mediumvioletred':

                $r = 0.780; $g = 0.082; $b = 0.522; break;

            case 'midnightblue':

                $r = 0.098; $g = 0.098; $b = 0.439; break;

            case 'mintcream':

                $r = 0.961; $g = 1.0;   $b = 0.980; break;

            case 'mistyrose':

                $r = 1.0;   $g = 0.894; $b = 0.882; break;

            case 'moccasin':

                $r = 1.0;   $g = 0.894; $b = 0.710; break;

            case 'navajowhite':

                $r = 1.0;   $g = 0.871; $b = 0.678; break;

            case 'oldlace':

                $r = 0.992; $g = 0.961; $b = 0.902; break;

            case 'olivedrab':

                $r = 0.420; $g = 0.557; $b = 0.137; break;

            case 'orange':

                $r = 1.0;   $g = 0.647; $b = 0.0;   break;

            case 'orangered':

                $r = 1.0;   $g = 0.271; $b = 0.0;   break;

            case 'orchid':

                $r = 0.855; $g = 0.439; $b = 0.839; break;

            case 'palegoldenrod':

                $r = 0.933; $g = 0.910; $b = 0.667; break;

            case 'palegreen':

                $r = 0.596; $g = 0.984; $b = 0.596; break;

            case 'paleturquoise':

                $r = 0.686; $g = 0.933; $b = 0.933; break;

            case 'palevioletred':

                $r = 0.859; $g = 0.439; $b = 0.576; break;

            case 'papayawhip':

                $r = 1.0;   $g = 0.937; $b = 0.835; break;

            case 'peachpuff':

                $r = 1.0;   $g = 0.937; $b = 0.835; break;

            case 'peru':

                $r = 0.804; $g = 0.522; $b = 0.247; break;

            case 'pink':

                $r = 1.0;   $g = 0.753; $b = 0.796; break;

            case 'plum':

                $r = 0.867; $g = 0.627; $b = 0.867; break;

            case 'powderblue':

                $r = 0.690; $g = 0.878; $b = 0.902; break;

            case 'rosybrown':

                $r = 0.737; $g = 0.561; $b = 0.561; break;

            case 'royalblue':

                $r = 0.255; $g = 0.412; $b = 0.882; break;

            case 'saddlebrown':

                $r = 0.545; $g = 0.271; $b = 0.075; break;

            case 'salmon':

                $r = 0.980; $g = 0.502; $b = 0.447; break;

            case 'sandybrown':

                $r = 0.957; $g = 0.643; $b = 0.376; break;

            case 'seagreen':

                $r = 0.180; $g = 0.545; $b = 0.341; break;

            case 'seashell':

                $r = 1.0;   $g = 0.961; $b = 0.933; break;

            case 'sienna':