Make shapes and coords drawed in post-order of tree. 1. Add opacity for each coord. 2. Trival and draw tree of shapes and coords in post-order. 3. Coords have a before_pmem member variable to note it's order been draw. It is relative to it's siblings and member shapes of parent coord.

#ifndef __MB_H_
#define __MB_H_

#include "mb_types.h"
#include "redraw_man.h"
#include "X_supp.h"
#include "animate.h"
#include "shapes.h"

#endif /* __MB_H_ */