area property
Rect?
area
Implementation
Rect? get area =>
_view.isEmpty
? null
: Rect.fromLTWH(
_area.left * _view.width / _scale - _view.left,
_area.top * _view.height / _scale - _view.top,
_area.width * _view.width / _scale,
_area.height * _view.height / _scale,
);