Method And

util.go:593–603

And returns the rectangle that is the overlap of both.

(q Rect)

// And returns the rectangle that is the overlap of both.
func (r Rect) And(q Rect) Rect {
	x0 := math.Max(r.X0, q.X0)
	y0 := math.Max(r.Y0, q.Y0)
	x1 := math.Min(r.X1, q.X1)
	y1 := math.Min(r.Y1, q.Y1)
	if x1 <= x0 || y1 <= y0 {
		return Rect{}
	}
	return Rect{x0, y0, x1, y1}

}

// ToPath converts the rectangle to a path.
func (r Rect) ToPath() *Path {