+ void add_to_grid () override;
+ void scale_fit_clicked ();
+ void scale_custom_clicked ();
+ bool scale_custom_edit_clicked ();
+ void left_right_link_clicked ();
+ void top_bottom_link_clicked ();
+ void left_crop_changed ();
+ void right_crop_changed ();
+ void top_crop_changed ();
+ void bottom_crop_changed ();