edge detection filter

app/Http/Business/Filters/EdgeDetectionFilter.php

@@ -0,0 +1,26 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: robin
+ * Date: 4/27/16
+ * Time: 8:16 PM
+ */
+
+namespace App\Http\Business\Filters;
+
+
+use App\Http\DBO\EffectApplyDbo;
+
+class EdgeDetectionFilter extends AbstractFilter
+{
+
+    /**
+     * @param $data EffectApplyDbo
+     */
+    public function apply($data)
+    {
+        $edgeArray = array(-1,-1,-1,-1,8,-1,-1,-1,-1);
+        $data->getImage()->convolveImage($edgeArray);
+        $data->getImage()->thresholdImage(1);
+    }
+}

public/app/controllers/upload.controller.js

@@ -24,6 +24,10 @@ angular.module('app')
                 {
                     name: "Decrease Contrast",
                     id: "ContrastDec"
+                },
+                {
+                    name: "Edge Detection",
+                    id: "EdgeDetection"
                 }
             ];