Fixed webp display, added scroll functionality, cleanup

src/core/widgets/image_view.py

@@ -42,7 +42,6 @@ class ImageView(ImageViewMixin, Gtk.Image):
     def _setup_styling(self):
         ...
 
-
     def _setup_signals(self):
         ...
 
@@ -106,19 +105,15 @@ class ImageView(ImageViewMixin, Gtk.Image):
             self.work_pixbuff = Gtk.Image.new_from_resource(path).get_pixbuf()
 
     def set_as_webp(self, path):
-        w = settings.get_thumbnail_with()
-        h = settings.get_thumbnail_height()
-        self.work_pixbuff = self.image2pixbuf(path, w, h)
+        self.work_pixbuff = self.image2pixbuf(path)
 
     @staticmethod
-    def image2pixbuf(path, _w, _h):
+    def image2pixbuf(path):
         """Convert Pillow image to GdkPixbuf"""
         im   = PImage.open(path)
         data = im.tobytes()
         data = Bytes.new(data)
         w, h = im.size
 
-        pixbuf = GdkPixbuf.Pixbuf.new_from_bytes(data, GdkPixbuf.Colorspace.RGB,
+        return GdkPixbuf.Pixbuf.new_from_bytes(data, GdkPixbuf.Colorspace.RGB,
                                                             False, 8, w, h, w * 3)
-
-        return pixbuf.scale_simple(_w, _h, 2)  # 2 = BILINEAR and is best by default