Image previews use new filters code

wagtail/wagtailimages/views/images.py

@@ -196,8 +196,8 @@ def preview(request, image_id, filter_spec):
     image = get_object_or_404(get_image_model(), id=image_id)
 
     try:
-        return Filter(spec=filter_spec).process_image(image.file.file, HttpResponse(content_type='image/jpeg'), focal_point=image.get_focal_point())
-    except Filter.InvalidFilterSpecError:
+        return Filter(spec=filter_spec).run(image, HttpResponse(content_type='image/jpeg'))
+    except InvalidFilterSpecError:
         return HttpResponse("Invalid filter spec: " + filter_spec, content_type='text/plain', status=400)