int	(*funcs [])(t_screen*, double, double) = {
	julia,
	mandelbrot
};

int	(*color_scheme [])(t_screen*, int, int) = {
	hsv_color,
	material_des,
	multi_color_jump
};

void	*foreach_pixel(void *scn)
{
	t_screen	*screen;
	int			i;
	int			tmp;
	int			it;

	screen = (t_screen *)scn;
	i = 0;
	while (i < screen->width)
	{
		tmp = screen->start_r;
		while (tmp < screen->end_r)
		{
			if ((it = funcs[screen->render_fr](screen, i, tmp)))
				set_pixel(screen, i + screen->margin_x, tmp + screen->margin_y,
				color_scheme[screen->color_scheme.index](screen, it, screen->color_scheme.base_color));
			else
				set_pixel(screen, i + screen->margin_x, tmp + screen->margin_y, 0);
			tmp++;
		}
		i++;
	}
	return (screen);
}