diff --git a/Classes/Aspects/ThumbnailAspect.php b/Classes/Aspects/ThumbnailAspect.php
index f6caf4a..83a2f9e 100644
--- a/Classes/Aspects/ThumbnailAspect.php
+++ b/Classes/Aspects/ThumbnailAspect.php
@@ -5,12 +5,15 @@
 use Neos\Flow\Annotations as Flow;
 use Neos\Flow\Aop\JoinPointInterface;
 use Neos\Flow\Mvc\ActionRequest;
+use Neos\Flow\ObjectManagement\ObjectManager;
 use Neos\Media\Domain\Model\Asset;
 use Neos\Media\Domain\Model\Image;
 use Neos\Media\Domain\Model\ImageVariant;
 use Neos\Media\Domain\Model\ThumbnailConfiguration;
+use Neos\Utility\ObjectAccess;
 use Networkteam\ImageProxy\Eel\SourceUriHelper;
 use Networkteam\ImageProxy\ImgproxyBuilder;
+use Networkteam\ImageProxy\ImgproxyBuilderInterface;
 use Networkteam\ImageProxy\Model\Dimensions;
 
 /**
@@ -36,6 +39,12 @@ class ThumbnailAspect
      */
     protected $sourceUriHelper;
 
+    /**
+     * @Flow\Inject
+     * @var ObjectManager
+     */
+    protected $objectManager;
+
     /**
      * @Flow\Around("method(Neos\Media\Domain\Service\AssetService->getThumbnailUriAndSizeForAsset())")
      */
@@ -56,8 +65,10 @@ public function generateImgproxyUri(JoinPointInterface $joinPoint): ?array
         /** @var ThumbnailConfiguration $configuration */
         $configuration = $joinPoint->getMethodArgument('configuration');
 
-        $builder = new ImgproxyBuilder(
+        $builder = $this->objectManager->get(
+            ImgproxyBuilderInterface::class,
             $this->settings['imgproxyUrl'],
+            $configuration,
             $this->settings['key'],
             $this->settings['salt']
         );
@@ -112,7 +123,7 @@ public function generateImgproxyUri(JoinPointInterface $joinPoint): ?array
         return [
             'width' => $expectedSize->getWidth(),
             'height' => $expectedSize->getHeight(),
-            'src' => $url->build()
+            'src' => $url->build(),
         ];
     }
 
diff --git a/Classes/ImgproxyBuilder.php b/Classes/ImgproxyBuilder.php
index bb2c4d8..4200f1f 100644
--- a/Classes/ImgproxyBuilder.php
+++ b/Classes/ImgproxyBuilder.php
@@ -2,9 +2,10 @@
 
 namespace Networkteam\ImageProxy;
 
+use Neos\Media\Domain\Model\ThumbnailConfiguration;
 use Networkteam\ImageProxy\Model\Dimensions;
 
-class ImgproxyBuilder
+class ImgproxyBuilder implements ImgproxyBuilderInterface
 {
 
     /**
@@ -20,23 +21,30 @@ class ImgproxyBuilder
      */
     public const RESIZE_TYPE_FORCE = 'force';
 
-    private string $imgproxyUrl;
-    private ?string $key = null;
-    private ?string $salt = null;
+    protected string $imgproxyUrl;
+    protected ThumbnailConfiguration $thumbnailConfiguration;
+    protected ?string $key = null;
+    protected ?string $salt = null;
 
     /**
      * @param string $imgproxyUrl The URL where imgproxy is publicly available
+     * @param ThumbnailConfiguration $thumbnailConfiguration
      * @param string|null $key
      * @param string|null $salt
      */
-    public function __construct(string $imgproxyUrl, string $key = null, string $salt = null)
-    {
+    public function __construct(
+        string $imgproxyUrl,
+        ThumbnailConfiguration $thumbnailConfiguration,
+        string $key = null,
+        string $salt = null
+    ) {
         if ((string)$key !== '' && (string)$salt !== '') {
             $this->key = pack("H*", $key);
             $this->salt = pack("H*", $salt);
         }
 
         $this->imgproxyUrl = $imgproxyUrl;
+        $this->thumbnailConfiguration = $thumbnailConfiguration;
     }
 
     /**
@@ -98,20 +106,18 @@ public function buildUrl(string $sourceUrl): ImgproxyUrl
     }
 
     /**
-     * @param string $sourceUrl
-     * @param string[] $processingOptions
-     * @param string|null $extension
+     * @param ImgproxyUrl $imgproxyUrl
      * @return string
      * @internal
      * Generate an imgproxy URL with processing options and signature (if key and salt are set).
      *
      */
-    public function generateUrl(string $sourceUrl, array $processingOptions, ?string $extension): string
+    public function generateUrl(ImgproxyUrl $imgproxyUrl): string
     {
-        $encodedSourceUrl = self::base64UrlEncode($sourceUrl);
-        $pathAfterSignature = '/' . join('/', $processingOptions) . '/' . $encodedSourceUrl;
-        if ($extension !== null) {
-            $pathAfterSignature .= '.' . $extension;
+        $encodedSourceUrl = self::base64UrlEncode($imgproxyUrl->getUrl());
+        $pathAfterSignature = '/' . implode('/', $imgproxyUrl->getProcessingOptions()) . '/' . $encodedSourceUrl;
+        if ($imgproxyUrl->getExtension() !== null) {
+            $pathAfterSignature .= '.' . $imgproxyUrl->getExtension();
         }
 
         if ($this->key !== null) {
@@ -124,7 +130,7 @@ public function generateUrl(string $sourceUrl, array $processingOptions, ?string
         }
     }
 
-    private static function base64UrlEncode(string $data): string
+    protected static function base64UrlEncode(string $data): string
     {
         return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
     }
diff --git a/Classes/ImgproxyBuilderInterface.php b/Classes/ImgproxyBuilderInterface.php
new file mode 100644
index 0000000..9f41651
--- /dev/null
+++ b/Classes/ImgproxyBuilderInterface.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Networkteam\ImageProxy;
+
+use Networkteam\ImageProxy\Model\Dimensions;
+
+interface ImgproxyBuilderInterface
+{
+    public static function expectedSize(
+        Dimensions $actualDimension,
+        Dimensions $targetDimension,
+        string $resizingType,
+        bool $enlarge
+    ): Dimensions;
+
+    public function buildUrl(string $sourceUrl): ImgproxyUrl;
+
+    public function generateUrl(ImgproxyUrl $imgproxyUrl): string;
+}
\ No newline at end of file
diff --git a/Classes/ImgproxyUrl.php b/Classes/ImgproxyUrl.php
index 9401be2..1c15e3d 100644
--- a/Classes/ImgproxyUrl.php
+++ b/Classes/ImgproxyUrl.php
@@ -59,7 +59,7 @@ public function fileName(string $path): self
 
     public function build(): string
     {
-        return $this->builder->generateUrl($this->url, $this->processingOptions, $this->extension);
+        return $this->builder->generateUrl($this);
     }
 
     public function quality(int $quality)
@@ -76,4 +76,29 @@ public function cacheBuster(string $cacheBuster)
     {
         $this->processingOptions[] = 'cb:' . $cacheBuster;
     }
+
+    public function focusPoint(float $focusPointX, float $focusPointY)
+    {
+        $this->processingOptions[] = 'gravity:fp:' . $focusPointX . ':' . $focusPointY;
+    }
+
+    public function getUrl(): string
+    {
+        return $this->url;
+    }
+
+    public function getExtension(): ?string
+    {
+        return $this->extension;
+    }
+
+    public function getProcessingOptions(): array
+    {
+        return $this->processingOptions;
+    }
+
+    public function addProcessingOption(string $option)
+    {
+        $this->processingOptions[] = $option;
+    }
 }