screen_write_should_draw_lines
if (!screen_write_should_draw_lines(ctx, 0, screen_size_y(s)))
if (!screen_write_should_draw_lines(ctx, s->cy, sy - s->cy))
if (!screen_write_should_draw_lines(ctx, s->cy, s->rlower + 1 - s->cy))
if (!screen_write_should_draw_lines(ctx, s->rupper, ry))
if (!screen_write_should_draw_lines(ctx, s->cy, ry))
if (!screen_write_should_draw_lines(ctx, s->rupper, ry))
if (!screen_write_should_draw_lines(ctx, s->rupper, ry))
if (!screen_write_should_draw_lines(ctx, s->cy, sy - s->cy))
if (!screen_write_should_draw_lines(ctx, 0, s->cy + 1))
if (!screen_write_should_draw_lines(ctx, 0, sy))
screen_write_should_draw_lines(ctx, s->rupper,
return (screen_write_should_draw_lines(ctx, y, 1));