editing: Add save edited file

src/editing/preview.rs

@@ -1,8 +1,26 @@
-use crate::deps::*;
+// 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 glycin::{Operation, Operations};
 use gtk::prelude::*;
 use gufo_common::orientation::Rotation;
 
+use crate::deps::*;
+
 pub fn apply_operations(
     node: gsk::RenderNode,
     width: u32,