<?php
function xmp_print($arr) { echo '<xmp>'; print_r($arr); echo '</xmp>'; }
function cmyk2rgb($cmyk){
list($c, $m, $y, $k) = $cmyk;
$r = 61 * (1-$c) * (1-$k);
$g = 91 * (1-$m) * (1-$k);
$b = 220 * (1-$y) * (1-$k);
return array($r, $g, $b);
}
$white = array(0,0,0,0);
$yellow = array(0,0,1,0);
$red = array(0,1,1,0);
$black = array(0,0,0,0);
xmp_print( cmyk2rgb( $white ) );
xmp_print( cmyk2rgb( $yellow ) );
xmp_print( cmyk2rgb( $red ) );
xmp_print( cmyk2rgb( $black ) );
Array
(
[0] => 255
[1] => 255
[2] => 255
)
Array
(
[0] => 255
[1] => 255
[2] => 0
)
Array
(
[0] => 255
[1] => 0
[2] => 0
)
Array
(
[0] => 255
[1] => 255
[2] => 255
)
