public function fromRGB(array $aRGB)
{
$this->aComponents = array();
$sName = 'rgb';
foreach (array('r', 'g', 'b', 'a') as $sChannel) {
if ($sChannel == 'a') {
if (!isset($aRGB['a'])) {
continue;
}
$sValue = CSSColorUtils::constrainValue((string) $aRGB['a'], 0, 1);
if ($sValue == 1) {
continue;
}
$sName .= 'a';
} else {
$sValue = CSSColorUtils::normalizeRGBValue((string) $aRGB[$sChannel]);
}
$this->aComponents[$sChannel] = new CSSSize($sValue, null, true);
}
$this->setName($sName);
return $this;
}
