Rgb.php

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<?php
#require_once 'Zend/Pdf/Element/Numeric.php';


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

class Zend_Pdf_Color_Rgb extends Zend_Pdf_Color
{
    private $_r;

    private $_g;

    private $_b;


    public function __construct($r, $g, $b)
    {
        if ($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);
    }

    public function instructions($stroking)
    {
        return $this->_r->toString() . ' '
             . $this->_g->toString() . ' '
             . $this->_b->toString() .     ($stroking? " RG\n" : " rg\n");
    }

    public function getComponents()
    {
        return array($this->_r->value, $this->_g->value, $this->_b->value);
    }
}