#include "ROOT/RCanvas.hxx"
#include "ROOT/RText.hxx"
#include "ROOT/RLine.hxx"

void rline_width()
{
   using namespace ROOT::Experimental;

   auto canvas = RCanvas::Create("Different line widths");
   double num = 0.3;

   for (int i = 10; i > 0; i--) {
      num = num + 0.05;

      auto text = canvas->Add<RText>(RPadPos(.3_normal, 1_normal * num), std::to_string(i));
      text->text.size = 0.04;
      text->text.align = RAttrText::kRightCenter;
      text->text.font = RAttrFont::kArialOblique;

      auto draw = canvas->Add<RLine>(RPadPos(.32_normal, 1_normal * num), RPadPos(.8_normal, 1_normal * num));
      draw->line.width = i;
   }

   canvas->Show();
}