ANAHEIM—Corey Perry scored a power-play goal, John Gibson made 37 saves in his 12th career shutout and the Anaheim Ducks clinched home-ice advantage in the first round of the playoffs with a 4-0 victory over the Blackhawks on Thursday night.Rickard Rakell had a goal and an assist for the Ducks, who moved to the brink of their fifth consecutive Pacific Division title in a meeting of the Western Conference’s two division leaders.Chris Wagner and Ryan Kesler also scored for Anaheim, which has earned points in 13 consecutive games since March 10 (10-0-3).With the best record in the West already sewed up, the Central Division champion Blackhawks rested captain Jonathan Toews, forwards Marian Hossa and Artem Anisimov and defensemen Duncan Keith, Brent Seabrook and Niklas Hjalmarsson.