Find new point on a object after scaling it around center
Given a point (x1, y1) on a rectangle with center (x0, y0), find new coordinates (x2, y2) of the point after scaling the rectangle with some scale factor around its center.
Given a point (x1, y1) on a rectangle with center (x0, y0), find new coordinates (x2, y2) of the point after scaling the rectangle with some scale factor around its center.