Grafika\Gd\Filter\Invert::apply PHP Method

apply() public method

public apply ( Image $image ) : Image
$image Grafika\Gd\Image
return Grafika\Gd\Image
    public function apply($image)
    {
        imagefilter($image->getCore(), IMG_FILTER_NEGATE);
        return $image;
    }
Invert