Implement IteratorAggregate in Polygon::class

src/Geometry/Polygon.php

@@ -3,10 +3,19 @@
 namespace Intervention\Image\Geometry;
 
 use ArrayAccess;
+use ArrayIterator;
 use Countable;
+use Traversable;
+use IteratorAggregate;
+use Intervention\Image\Geometry\Traits\HasBackgroundColor;
+use Intervention\Image\Geometry\Traits\HasBorder;
+use Intervention\Image\Interfaces\DrawableInterface;
 
-class Polygon implements Countable, ArrayAccess
+class Polygon implements IteratorAggregate, Countable, ArrayAccess, DrawableInterface
 {
+    use HasBorder;
+    use HasBackgroundColor;
+
     public function __construct(
         protected array $points = [],
         protected ?Point $pivot = null
@@ -14,6 +23,11 @@ class Polygon implements Countable, ArrayAccess
         $this->pivot = $pivot ? $pivot : new Point();
     }
 
+    public function getIterator(): Traversable
+    {
+        return new ArrayIterator($this->points);
+    }
+
     /**
      * Return current pivot point
      *
@@ -133,6 +147,13 @@ class Polygon implements Countable, ArrayAccess
         return $this;
     }
 
+    public function point(int $x, int $y): self
+    {
+        $this->addPoint(new Point($x, $y));
+
+        return $this;
+    }
+
     /**
      * Calculate total horizontal span of polygon
      *