Bugfix

src/Drivers/Gd/Image.php

@@ -6,6 +6,7 @@ use GdImage;
 use Intervention\Image\Collection;
 use Intervention\Image\Drivers\Abstract\AbstractImage;
 use Intervention\Image\Drivers\Gd\Frame;
+use Intervention\Image\Geometry\Resizer;
 use Intervention\Image\Geometry\Size;
 use Intervention\Image\Interfaces\EncoderInterface;
 use Intervention\Image\Interfaces\ImageInterface;
@@ -23,4 +24,12 @@ class Image extends AbstractImage implements ImageInterface, IteratorAggregate
     {
         return imagesy($this->frames->first()->getCore());
     }
+
+    public function resize(...$arguments): self
+    {
+        $resizer = new Resizer($this->size());
+        $resizer->setTargetSizeByArray($arguments)->resize();
+
+        return $this;
+    }
 }

src/Drivers/Imagick/Modifiers/GreyscaleModifier.php

@@ -9,10 +9,10 @@ class GreyscaleModifier implements ModifierInterface
 {
     public function apply(ImageInterface $image): ImageInterface
     {
-        foreach ($this->image as $frame) {
+        foreach ($image as $frame) {
             $frame->getCore()->modulateImage(100, 0, 100);
         }
 
-        return $this->image;
+        return $image;
     }
 }

tests/Drivers/Gd/ImageTest.php

@@ -43,4 +43,11 @@ class ImageTest extends TestCase
     {
         $this->assertInstanceOf(Size::class, $this->image->size());
     }
+
+    public function testResize(): void
+    {
+        $this->assertInstanceOf(Image::class, $this->image->resize(function ($size) {
+            $size->width(300);
+        }));
+    }
 }