- , _background_group(new ArdourCanvas::Group(*_trackview.canvas_background))
- , canvas_group(group ? group : new ArdourCanvas::Group(*_trackview.canvas_display))
- , _samples_per_unit(_trackview.editor.get_current_zoom())
+ , _background_group (new ArdourCanvas::Group (*_trackview.canvas_background()))
+ , canvas_group(group ? group : new ArdourCanvas::Group(*_trackview.canvas_display()))
+ , _samples_per_unit (_trackview.editor().get_current_zoom ())