22         check_result!(draw(x, (y0, y1)));  in draw_part_a()
38         check_result!(draw(x, (-x as f64, x as f64)));  in draw_part_b()
68         check_result!(draw(x, (y0, y1)));  in draw_part_c()
78             check_result!(draw(x, (y0, y1 + 1.0)));  in draw_part_c()
79             check_result!(draw(-x, (y0, y1 + 1.0)));  in draw_part_c()
104         check_result!(b.draw_line(  in draw_sweep_line()
109         check_result!(b.draw_pixel((p0 + x0, s.ceil() as i32 + y0 - 1), style.color().mix(vs)));  in draw_sweep_line()
110         check_result!(b.draw_pixel((p0 + x0, e.floor() as i32 + y0 + 1), style.color().mix(ve)));  in draw_sweep_line()
112         check_result!(b.draw_line(  in draw_sweep_line()
117         check_result!(b.draw_pixel((s.ceil() as i32 + x0 - 1, p0 + y0), style.color().mix(vs)));  in draw_sweep_line()
118         check_result!(b.draw_pixel((e.floor() as i32 + x0 + 1, p0 + y0), style.color().mix(ve)));  in draw_sweep_line()
133     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
141     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
149     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
157     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
167         check_result!(draw_part_b::<B, _>(  in draw_annulus()
174                 check_result!(b.draw_line(  in draw_annulus()
179                 check_result!(b.draw_line(  in draw_annulus()
185                 check_result!(b.draw_line(  in draw_annulus()
190                 check_result!(b.draw_line(  in draw_annulus()
201     check_result!(draw_part_c::<B, _>(  in draw_annulus()
206     check_result!(draw_part_c::<B, _>(  in draw_annulus()
211     check_result!(draw_part_c::<B, _>(  in draw_annulus()
216     check_result!(draw_part_c::<B, _>(  in draw_annulus()
230     check_result!(b.draw_line(  in draw_annulus()
235     check_result!(b.draw_line(  in draw_annulus()
240     check_result!(b.draw_line(  in draw_annulus()
245     check_result!(b.draw_line(  in draw_annulus()
251     check_result!(b.draw_line(  in draw_annulus()
256     check_result!(b.draw_line(  in draw_annulus()
261     check_result!(b.draw_line(  in draw_annulus()
266     check_result!(b.draw_line(  in draw_annulus()
324             check_result!(b.draw_line((left, y), (right, y), &style.color()));  in draw_circle()
325             check_result!(b.draw_line((x, top), (x, up), &style.color()));  in draw_circle()
326             check_result!(b.draw_line((x, down), (x, bottom), &style.color()));  in draw_circle()
328             check_result!(b.draw_pixel((left, y), style.color().mix(1.0 - v)));  in draw_circle()
329             check_result!(b.draw_pixel((right, y), style.color().mix(1.0 - v)));  in draw_circle()
331             check_result!(b.draw_pixel((x, top), style.color().mix(1.0 - v)));  in draw_circle()
332             check_result!(b.draw_pixel((x, bottom), style.color().mix(1.0 - v)));  in draw_circle()
335         check_result!(b.draw_pixel((left - 1, y), style.color().mix(v)));  in draw_circle()
336         check_result!(b.draw_pixel((right + 1, y), style.color().mix(v)));  in draw_circle()
337         check_result!(b.draw_pixel((x, top - 1), style.color().mix(v)));  in draw_circle()
338         check_result!(b.draw_pixel((x, bottom + 1), style.color().mix(v)));  in draw_circle()