- commonx = common_refpoint_of_list (cols, commonx, X_AXIS);
- Grob *commony = common_refpoint_of_list (cols, me, Y_AXIS);
- Array<Offset> bottom_points;
- Array<Offset> top_points;
+ commonx = common_refpoint_of_array (cols, commonx, X_AXIS);
+ Grob *commony = common_refpoint_of_array (cols, me, Y_AXIS);
+ vector<Offset> bottom_points;
+ vector<Offset> top_points;