edit: Scale cropping selection area with image

src/widgets/edit/crop.rs

@@ -1,3 +1,20 @@
+// Copyright (c) 2024 Sophie Herold
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 use std::cell::{Cell, OnceCell};
 
 use adw::prelude::*;
@@ -103,12 +120,11 @@ mod imp {
 
             obj.child().allocate(width, height, baseline, None);
 
-            // TODO: Round wrong
             self.selection.set_size(
                 image.image_rendering_x() as i32,
                 image.image_rendering_y() as i32,
-                image.image_displayed_width().round() as i32,
-                image.image_displayed_height().round() as i32,
+                image.image_rendering_width() as i32,
+                image.image_rendering_height() as i32,
             );
         }