const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
// const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
const float pw(get_pw()),ph(get_ph());
const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
// const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
const float pw(get_pw()),ph(get_ph());