Method contains

dlib/geometry/drectangle.h:151–158

        }

        bool contains (
            const dlib::vector<double,2>& p
        ) const
        {
            if (p.x() < l || p.x() > r || p.y() < t || p.y() > b)
                return false;
            return true;
        }

        bool contains (
            const drectangle& rect