class Path
{    
    Result reset();

    //primitives
    Result moveTo(Point to);
    Result lineTo(Point to);
    Result curveTo(Point ctrl1, Point ctrl2, Point end);
    Result close();

    //preset
    Result append(const PathCommand* cmds, uint32_t cmdCnt, const Point* pts, uint32_t ptsCnt);
    Result appendCircle(Point center, Point radius);
    Result appendRect(Point pos, Point size, Point roundness);

    //TBD: Path combines (maybe after 1.0)
    Result add(Path* path);
    Result subtract(Path* path);
    Result intersect(Path* path);
    Result difference(Path* path);

    Result get(const PathCommand** cmds, uint32_t* cmdsCnt, const Point** pts, uint32_t* ptsCnt) const;

    Path* duplicate();
    Path* gen();

    //reference count
    uint32_t ref();
    uint32_t unref();
    uint32_t refCnt();
};

auto path = Path::gen();
...
Shape->path(path);

auto path = Shape->path();
//update the existing path
...
Shape->path(path);