standard painter in MFC C++

Build a painter in MFC C++ , a rectangle , elipse and a triangle. 1. Include a hierarchy classes system. This hieracrchy must includes a grandfather, 2 sons and a grandson! 2. Manage the classes with polymorphism 3. The menu of the paint must Implement following options: - add objects - change objects color and size - delete objects - move objects with the mouse - undo and redo - new - save and open Every option must include an icon!!! 4. The code must be documented and explained in detail! (especially the use in polymorphism and the way of implementing each of the options shown above).