Tuple[int, int, int, int]: The color used for drawing operations in (red, green, blue, alpha) format.

def draw_color(self):
        """Tuple[int, int, int, int]: The color used for drawing operations in (red, green, blue, alpha) format."""
        rgba = ffi.new('Uint8[]', 4)
        check_int_err(lib.SDL_GetRenderDrawColor(self._ptr, rgba + 0, rgba + 1, rgba + 2, rgba + 3))
        return (rgba[0], rgba[1], rgba[2], rgba[3])