77 pub type BackendCoord = (i32, i32);  typedef
128         point: BackendCoord,  in draw_pixel()  argument
138         from: BackendCoord,  in draw_line()  argument
139         to: BackendCoord,  in draw_line()  argument
152         upper_left: BackendCoord,  in draw_rect()  argument
153         bottom_right: BackendCoord,  in draw_rect()  argument
163     fn draw_path<S: BackendStyle, I: IntoIterator<Item = BackendCoord>>(  in draw_path()
173             let mut begin: Option<BackendCoord> = None;  in draw_path()
198         center: BackendCoord,  in draw_circle()  argument
206     fn fill_polygon<S: BackendStyle, I: IntoIterator<Item = BackendCoord>>(  in fill_polygon()
224         pos: BackendCoord,  in draw_text()  argument
295         pos: BackendCoord,  in blit_bitmap()  argument