__construct() __construct(integer $amount) Brightness constructor. Parameters integer $amount The amount of brightness to apply. >= -100 and <= -1 to darken. 0 for no change. >= 1 and <= 100 to brighten.
apply() apply(\Grafika\Gd\Image $image) : \Grafika\Gd\Image Parameters \Grafika\Gd\Image $image Returns \Grafika\Gd\Image