offsetR 
  Offsets the origin of the given rectangle by @d_x and @d_y.
The size of the rectangle is left unchanged.
Since
1.4
Parameters
dX 
the horizontal offset
dY 
the vertical offset
res
return location for the offset rectangle
Offsets the origin of the given rectangle by @d_x and @d_y.
The size of the rectangle is left unchanged.
1.4
the horizontal offset
the vertical offset
return location for the offset rectangle