/**
* Loads a color object from a hsl or hsla string
*
* @param object $color Color object
* @param mixed
* @return object Color object
*/
public function loadHslString(Color $color, $subject)
{
$subject = trim($subject);
$subject = str_replace(array('hsla', 'hsl', '(', ')', ';', ' '), '', $subject);
$hslnum = explode(',', $subject);
if (count($hslnum) !== 3 && count($hslnum) !== 4) {
return false;
}
foreach ($hslnum as &$val) {
$val = floatval(trim($val));
}
$hsl = array('hue' => $hslnum[0], 'saturation' => $hslnum[1], 'lightness' => $hslnum[2]);
if (isset($hslnum[3])) {
$hsl['alpha'] = $hslnum[3];
}
$color->bulkUpdate($hsl);
return $color;
}
