Grafika\Imagick\Editor::fill PHP Method

    public function fill(&$image, $color, $x = 0, $y = 0)
    {
        if ($image->isAnimated()) {
            // Ignore animated GIF for now
            return $this;
        }
        $target = $image->getCore()->getImagePixelColor($x, $y);
        $image->getCore()->floodfillPaintImage($color->getHexString(), 1, $target, $x, $y, false);
        return $this;
    }