auto c1 = new TCanvas("c1","c1",400,400);
auto cr1 = new TCrown(.5,.5,.3,.4);
cr1->SetLineStyle(2);
cr1->SetLineWidth(4);
cr1->Draw();
auto cr2 = new TCrown(.5,.5,.2,.3,45,315);
cr2->SetFillColor(38);
cr2->SetFillStyle(3010);
cr2->Draw();
auto cr3 = new TCrown(.5,.5,.2,.3,-45,45);
cr3->SetFillColor(50);
cr3->SetFillStyle(3025);
cr3->Draw();
auto cr4 = new TCrown(.5,.5,.0,.2);
cr4->SetFillColor(4);
cr4->SetFillStyle(3008);
cr4->Draw();

gROOT->GetListOfCanvases()->Draw()