- Gtk::ToggleButton * get_position_toggle() { return ducks_position; }
- Gtk::ToggleButton * get_vertex_toggle() { return ducks_vertex; }
- Gtk::ToggleButton * get_tangent_toggle() { return ducks_tangent; }
- Gtk::ToggleButton * get_radius_toggle() { return ducks_radius; }
- Gtk::ToggleButton * get_width_toggle() { return ducks_width; }
- Gtk::ToggleButton * get_angle_toggle() { return ducks_angle; }
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