public static interface SmartShape.PointCallback
 final List<Integer> xs = ...;
 final List<Integer> ys = ...;
 PointCallback cb = new PointCallback(){
   void handle(int x, int y) {
     xs.add(x);
     ys.add(y);
   };
 };
 | Modifier and Type | Method and Description | 
|---|---|
| void | handle(int x,
      int y) |