void pave_arc() {

    auto c1 = new TCanvas("c1", "MWE canvas", 1200, 800);

    const char *opts[4] = { "blNDC", "brNDC", "tlNDC", "trNDC" };

    for (int x = 0; x < 2; ++x) {
       for(int y = 0; y < 2; ++y) {
          double x0 = 0.1 + x * 0.5;
          double y0 = 0.1 + y * 0.5;

          int indx = x*2 + y;

          auto pavetext = new TPaveText(x0, y0, x0 + 0.3, y0 + 0.1, opts[indx]);
          pavetext->SetTextColor(kGray);
          pavetext->SetFillColor(kBlue);
          pavetext->SetLineColor(kRed);
          pavetext->SetBorderSize(3 + indx*3);
          pavetext->SetLineWidth(10 - indx*3);
          pavetext->AddText(TString::Format("option %s only", opts[indx]));

          auto pavetext2 = new TPaveText(x0, y0 + 0.15, x0 + 0.3, y0 + 0.25, TString::Format("%s ARC", opts[indx]));
          pavetext2->SetCornerRadius(0.1);
          pavetext2->SetTextColor(kGray);
          pavetext2->SetFillColor(kBlue);
          pavetext2->SetLineColor(kRed);
          pavetext2->SetBorderSize(3 + indx*3);
          pavetext2->SetLineWidth(10 - indx*3);
          pavetext2->AddText(TString::Format("option %s ARC", opts[indx]));

          pavetext->Draw();
          pavetext2->Draw();
       }
    }

    c1->SaveAs("pave_arc.png");
}