13 void set_visible(
bool v);
14 bool get_visible()
const;
16 void draw_line(
const std::deque<Coordf> &pts, ColorP color, uint64_t width);
17 void draw_line(
const Coordf &from,
const Coordf &to, ColorP color, uint64_t width,
bool highlight =
false,
19 void draw_polygon(
const std::deque<Coordf> &pts, ColorP color, uint64_t width);
20 void draw_arc(
const Coordf ¢er,
float radius0,
float a0,
float a1, ColorP color, uint64_t width);
23 bool use_highlight =
false;