schemas/freeform.fbs

namespace Schema;

struct Position {
  x:float;
  y:float;
}

struct Size {
  width:float;
  height:float;
}

table Entity {
  id:string;
  type:string;
  position:Position;
  size:Size; 
  content:string;
  color:string;
  selected:bool;
}

table HistoryState {
  entities:[Entity];
  canvas_offset:Position;
  zoom:float;
}

root_type HistoryState;