Cartoon Outline with PHP Jaguar.php

<?php

require_once 'vendor/autoload.php';

use Jaguar\Canvas,
    Jaguar\Transformation,
    Jaguar\Action\Color\Grayscale,
    Jaguar\Action\EdgeDetection,
    Jaguar\Action\Color\Negate;


$canvas = new Canvas('./image.jpg');
$canvasTransformation = new Transformation($canvas);
$canvasTransformation
        ->apply(new Grayscale())
        ->apply(new EdgeDetection(EdgeDetection::LAPLACIAN_FILTER3))
        ->apply(new Negate())
        ->getCanvas()
        ->show(); // send the result to the browser