#include <iostream>
#include <vector>
#include <TCanvas.h>

using namespace std;

vector<TCanvas*> addc(vector<TCanvas*> clist, TCanvas * c)
{
  TCanvas * cnew = (TCanvas*) c->Clone();
  clist.push_back(cnew);
  return clist;
}

# ifndef __CINT__
int main()
{
  
  vector<TCanvas*> clist;

  TCanvas * c = new TCanvas("c","c",600,100);
  c->Print("./temp_before_0.pdf");
  cout << c->GetWindowWidth() << ", " << c->GetWindowHeight() << endl;
  clist = addc(clist,c);
  c = new TCanvas("c","c",100,600);
  c->Print("./temp_before_1.pdf");
  cout << c->GetWindowWidth() << ", " << c->GetWindowHeight() << endl;
  clist = addc(clist,c);
   
  clist[0]->Print("./temp_after_0.pdf");
  cout << clist[0]->GetWindowWidth() << ", " << clist[0]->GetWindowHeight() << endl;
  clist[1]->Print("./temp_after_1.pdf");
  cout << clist[1]->GetWindowWidth() << ", " << clist[1]->GetWindowHeight() << endl;

  return 0;
}
# endif