Cmyk.php

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


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

class Zend_Pdf_Color_Cmyk extends Zend_Pdf_Color
{
    private $_c;

    private $_m;

    private $_y;

    private $_k;


    public function __construct($c, $m, $y, $k)
    {
        if ($c < 0) { $c = 0; }
        if ($c > 1) { $c = 1; }

        if ($m < 0) { $m = 0; }
        if ($m > 1) { $m = 1; }

        if ($y < 0) { $y = 0; }
        if ($y > 1) { $y = 1; }

        if ($k < 0) { $k = 0; }
        if ($k > 1) { $k = 1; }

        $this->_c = new Zend_Pdf_Element_Numeric($c);
        $this->_m = new Zend_Pdf_Element_Numeric($m);
        $this->_y = new Zend_Pdf_Element_Numeric($y);
        $this->_k = new Zend_Pdf_Element_Numeric($k);
    }

    public function instructions($stroking)
    {
        return $this->_c->toString() . ' '
             . $this->_m->toString() . ' '
             . $this->_y->toString() . ' '
             . $this->_k->toString() .     ($stroking? " K\n" : " k\n");
    }

    public function getComponents()
    {
        return array($this->_c->value, $this->_m->value, $this->_y->value, $this->_k->value);
    }
}