dcpomatic::Rect<double> rect (
double(i.position.x) / frame.width, double(i.position.y) / frame.height,
double(i.image->size().width) / frame.width, double(i.image->size().height) / frame.height
dcpomatic::Rect<double> rect (
double(i.position.x) / frame.width, double(i.position.y) / frame.height,
double(i.image->size().width) / frame.width, double(i.image->size().height) / frame.height