36     canvas->restore();  in test_reverse_concave()
49     canvas->restore();  in test_bowtie()
64     canvas->restore();  in test_fake_bowtie()
81     canvas->restore();  in test_intruding_vertex()
98     canvas->restore();  in test_inversion_repeat_vertex()
113     canvas->restore();  in test_fish()
129     canvas->restore();  in test_fast_forward()
140     canvas->restore();  in test_hole()
149     canvas->restore();  in test_star()
163     canvas->restore();  in test_twist()
178     canvas->restore();  in test_stairstep()
191     canvas->restore();  in test_stairstep2()
204     canvas->restore();  in test_overlapping()
224     canvas->restore();  in test_partners()
242     canvas->restore();  in test_winding_merged_to_zero()
256     canvas->restore();  in test_monotone_1()
269     canvas->restore();  in test_monotone_2()
282     canvas->restore();  in test_monotone_3()
297     canvas->restore();  in test_monotone_4()
310     canvas->restore();  in test_monotone_5()
324     canvas->restore();  in test_degenerate()
341     canvas->restore();  in test_coincident_edge()
357     canvas->restore();  in test_bowtie_coincident_triangle()
373     canvas->restore();  in test_collinear_outer_boundary_edge()
388     canvas->restore();  in test_coincident_edges_1()
402     canvas->restore();  in test_coincident_edges_2()
416     canvas->restore();  in test_coincident_edges_3()
430     canvas->restore();  in test_coincident_edges_4()