Rect.fromLTWH constructor
Construct a rectangle from its left and top edges, its width, and its height.
To construct a Rect from an Offset and a Size, you can use the
rectangle constructor operator &
. See Offset.&.
Implementation
const Rect.fromLTWH(double left, double top, double width, double height) : this.fromLTRB(left, top, left + width, top + height);