canvas_rect.property_fill_color_rgba() = stream_base_color;
canvas_rect.signal_event().connect (sigc::bind (sigc::mem_fun (_trackview.editor, &PublicEditor::canvas_imageframe_view_event), (ArdourCanvas::Item*) &canvas_rect, &tv));
canvas_rect.property_fill_color_rgba() = stream_base_color;
canvas_rect.signal_event().connect (sigc::bind (sigc::mem_fun (_trackview.editor, &PublicEditor::canvas_imageframe_view_event), (ArdourCanvas::Item*) &canvas_rect, &tv));