draw_pave.cxx File Reference

Detailed Description

This macro generates a small V7 TH1D, fills it and draw it in a V7 canvas.

The canvas is display in the web browser

 
/*************************************************************************
 * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#include "ROOT/RCanvas.hxx"
#include "ROOT/RPave.hxx"
#include "ROOT/RPaveText.hxx"
 
// macro must be here while cling is not capable to load
// library automatically for outlined function see ROOT-10336
R__LOAD_LIBRARY(ROOTGpadv7)
 
using namespace ROOT::Experimental;
 
void draw_pave()
{
   // Create a canvas to be displayed.
   auto canvas = RCanvas::Create("Canvas Title");
 
   // RFrame will be automatically created as well
   auto pave = canvas->Draw<RPave>();
   pave->AttrFill().SetColor(RColor::kBlue);
   pave->AttrBorder().SetColor(RColor::kGreen).SetWidth(3);
   pave->SetCornerY(-0.03_normal);
   pave->SetHeight(0.2_normal);
 
   auto text = canvas->Draw<RPaveText>();
   text->AddLine("This is RTextPave");
   text->AddLine("It can have several lines");
   text->AddLine("It should be positioned below RPave");
   text->AttrFill().SetColor(RColor::kYellow);
   text->SetCornerY(0.25_normal);
   text->SetHeight(0.3_normal);
 
   canvas->SetSize(1000, 700);
   canvas->Show();
}

Date

2015-03-22

Warning

This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!

Author

Axel Naumann axel@.nosp@m.cern.nosp@m..ch

Definition in file draw_pave.cxx.