//root -l -b -q test_gifs.cpp+

#include "TCanvas.h"
#include "TPaveText.h"
#include "TSystem.h"

void test_gifs()
{
	
	const TString kGifName = "test_gifs.gif";
	const TString kGifSleep = "50";//centiseconds
	gSystem->Unlink(kGifName.Data());//delete existing file
	
	TCanvas* c = new TCanvas();
	TPaveText* t = new TPaveText(0.55,0.65,0.8,0.85,"brNDC");
	
	t->AddText("1");
	t->Draw();
	c->Print(kGifName+"+"+kGifSleep);
	
	t->AddText("2");
	t->Draw();
	c->Print(kGifName+"+"+kGifSleep);
	
	t->AddText("3");
	t->Draw();
	c->Print(kGifName+"+"+kGifSleep);
	
	t->AddText("4");
	t->Draw();
	c->Print(kGifName+"++"+kGifSleep);//Two ++ makes an infinite loop (replay gif)
}