doc/v614/text_8cxx.html

/*************************************************************************
 * Copyright (C) 1995-2015, 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/TCanvas.hxx"
#include "ROOT/TColor.hxx"
#include "ROOT/TText.hxx"
#include <ROOT/TPadPos.hxx>
#include "ROOT/TDirectory.hxx"
void text()
{
   using namespace ROOT;
   using namespace ROOT::Experimental;
   // Create a canvas to be displayed.
   auto canvas = Experimental::TCanvas::Create("Canvas Title");
   for (int i=0; i<=360; i+=10) {
      auto opts = canvas->Draw(Experimental::TText({0.5_normal, 0.6_normal}, "____  Hello World"));
      Experimental::TColor col(0.0015*i, 0.0025*i ,0.003*i);
      opts->SetTextColor(col);
      opts->SetTextSize(10+i/10);
      opts->SetTextAngle(i);
      opts->SetTextAlign(13);
      opts->SetTextFont(42);
   }
   canvas->Show();
}