コード例 #1
0
	public static function darken($color, $amount){

		if( $color instanceof Less_Tree_Color ){
			$hsl = $color->toHSL();
			$hsl['l'] -= $amount->value / 100;
			$hsl['l'] = self::clamp($hsl['l']);

			return Less_Environment::hsla($hsl['h'], $hsl['s'], $hsl['l'], $hsl['a']);
		}

		Less_Environment::Expected('color',$color);
	}