C++ TText类代码示例

void TMainMenu::SetWelcomeName()
{
	if(TSettings::GetInstance()->GetNumUsers() == 0)
	{
		TWindow *window = GetChildWindow("welcome", -1);
		if (window)
		{
			window->SetFlags(window->GetFlags() & ~kEnabled);
		}

		window = GetChildWindow("changeplayer", -1);
		if (window)
		{
			window->SetFlags(window->GetFlags() & ~kEnabled);
		}

	}
	else
	{
		TWindow *window = GetChildWindow("welcome", -1);
		if (window)
		{
			TText *text = window->GetCast<TText>();
			text->SetText(TPlatform::GetInstance()->GetStringTable()->GetString("welcome", TSettings::GetInstance()->GetCurrentUserName()));
		}
		
	}
}

void PaintOverflow(TH1 *h)
{
   // This function paint the histogram h with an extra bin for overflows

   char* name  = h->GetName();
   char* title = h->GetTitle();
   Int_t nx    = h->GetNbinsX()+1;
   Double_t x1 = h->GetBinLowEdge(1);
   Double_t bw = h->GetBinWidth(nx);
   Double_t x2 = h->GetBinLowEdge(nx)+bw;

   // Book a temporary histogram having ab extra bin for overflows
   TH1F *htmp = new TH1F(name, title, nx, x1, x2);

   // Fill the new hitogram including the extra bin for overflows
   for (Int_t i=1; i<=nx; i++) {
      htmp->Fill(htmp->GetBinCenter(i), h->GetBinContent(i));
   }

   // Fill the underflows
   htmp->Fill(x1-1, h->GetBinContent(0));

   // Restore the number of entries
   htmp->SetEntries(h->GetEntries());

   // Draw the temporary histogram
   htmp->Draw();
   TText *t = new TText(x2-bw/2,h->GetBinContent(nx),"Overflow");
   t->SetTextAngle(90);
   t->SetTextAlign(12);
   t->SetTextSize(0.03);;
   t->Draw();
}

void greyscale()
{
   TCanvas *c = new TCanvas("grey", "Grey Scale", 500, 500);
   c->SetBorderMode(0);

   Int_t   n = 200;   // tunable parameter
   Float_t n1 = 1./n;
   for (int i = 0; i < n; i++) {
      for (int j = 0; j < n; j++) {
         TBox *b = new TBox(n1*j, n1*(n-1-i), n1*(j+1), n1*(n-i));
         Float_t grey = Float_t(i*n+j)/(n*n);
         b->SetFillColor(TColor::GetColor(grey, grey, grey));
         b->Draw();
      }
   }
   TPad *p = new TPad("p","p",0.3, 0.3, 0.7,0.7);
   const char *guibackground = gEnv->GetValue("Gui.BackgroundColor", "");
   p->SetFillColor(TColor::GetColor(guibackground));
   p->Draw();
   p->cd();
   TText *t = new TText(0.5, 0.5, "GUI Background Color");
   t->SetTextAlign(22);
   t->SetTextSize(.09);
   t->Draw();

   c->SetEditable(kFALSE);
}

void highlight1()
{
   TCanvas *ch = new TCanvas("ch", "ch", 0, 0, 700, 500);
   const Int_t n = 500;
   Double_t x[n], y[n];
   TH1F *h[n];

   for (Int_t i = 0; i < n; i++) {
      h[i] = new TH1F(TString::Format("h_%02d", i), "", 100, -3.0, 3.0);
      // in practice gaus need reset parameters
      h[i]->FillRandom("gaus", 1000);
      h[i]->Fit("gaus", "Q");
      h[i]->SetMaximum(250); // for n > 200
      x[i] = i;
      y[i] = h[i]->GetFunction("gaus")->GetParameter(2);
   }

   TGraph *g = new TGraph(n, x, y);
   g->SetMarkerStyle(6);
   for (Int_t i = 0; i < n; i++) g->AddHighlight(i, h[i]);
   g->Draw("AP");
   g->SetHighlight();

   TPad *ph = new TPad("ph", "ph", 0.3, 0.4, 1.0, 1.0);
   ph->SetFillColor(kBlue - 10);
   ph->Draw();
   ph->cd();
   TText *info = new TText(0.5, 0.5, "please move the mouse over the graph");
   info->SetTextAlign(22);
   info->Draw();
   ch->cd();

   TGraph::SetHighlightPad(ph);
}

void ratioPlots( TCanvas* c1, TH1* h_r, TH1* h_i, 
		 string xTitle, string yTitle, 	string savePath, 
		 double fitMin=-100000, double fitMax=100000, bool doubleColFit=0 ){

	double xMaximum = h_r->GetXaxis()->GetBinUpEdge(h_r->GetXaxis()->GetLast());
	double xMinimum = h_r->GetXaxis()->GetBinLowEdge(h_r->GetXaxis()->GetFirst());
	double yMaximum;
	double yMinimum;

	h_i->Sumw2();
	h_r->Sumw2();

	TLine* line1 = new TLine(xMinimum,1,xMaximum,1);
	line1->SetLineColor(1);
	line1->SetLineWidth(2);
	line1->SetLineStyle(7);
	
	TF1* fpol1  = new TF1("fpol1", "pol1", fitMin, fitMax);	
	fpol1->SetLineColor(2);
	fpol1->SetLineWidth(3);
	fpol1->SetLineStyle(7);
	
	TH1* hRatio = (TH1*)h_r->Clone("clone_record");
	hRatio->Divide(h_i);
	yMaximum = hRatio->GetMaximum();
	yMinimum = hRatio->GetMinimum(0);
	hRatio->GetYaxis()->SetRangeUser(yMinimum/2.5,yMaximum+yMaximum/5);
	hRatio->SetXTitle(xTitle.c_str());
	hRatio->SetYTitle(yTitle.c_str());
	hRatio->SetLineColor(9); 
	hRatio->SetLineWidth(2); 
	hRatio->SetMarkerStyle(8); 
	hRatio->Draw("e");
	hRatio->Fit("fpol1", "L");
	line1->Draw("SAME");
	
	if(doubleColFit){
		double p0=fpol1->GetParameter(0);
		double p1=fpol1->GetParameter(1);
		double endPoint=double(fitMax*p1)+p0;
		double p1new=(endPoint-1)/(fitMax-fitMin);
		char fun[100], text[100];
		sprintf(fun,"x*(%f)+1",p1new);	
		sprintf(text,"Tangent: %f",p1new);	
		TF1* fnew = new TF1("fnew", fun, fitMin, fitMax);
		fnew->SetLineColor(2);
		fnew->SetLineWidth(3);
		fnew->Draw("SAME");
	
			
		TText* Title = new TText( fitMax/12, yMinimum, text);
		Title->SetTextColor(2);
		Title->SetTextSize(0.035);
		Title->Draw("SAME");
	}

	c1->SaveAs(savePath.c_str());
	c1->cd();
}

void Draw_KL_Test(){

  TChain* ch = new TChain("Tree");
  TChain* ch1 = new TChain("Tree");
  
  TH1D* his  = new TH1D("Klong6g","Klong6g",20,450,550);
  TH1D* his1 = new TH1D("Klong4g","Klong4g",20,450,550);
  TH1D* his2 = new TH1D("Klong4gAll","Klong4gAll",60,250,550);

  for( int i = 0; i< 68; i++){
    ch->Add(Form("klongRootFile/kl%d.root" ,4162+i));
    ch1->Add(Form("klongRootFile/ks%d.root",4162+i));
  }
  ch->Project(his->GetName()  ,"KlongMass[0]","CutCondition==0");
  ch1->Project(his1->GetName(),"KlongMass[0]","CutCondition==0");
  ch1->Project(his2->GetName(),"KlongMass[0]","CutCondition==0");
  
  TF1* func = new TF1("func","gaus(0)+expo(3)",0,550);
  func->SetParameter(1,498);
  func->SetParameter(2,5);
  TF1* func2 = new TF1("func2","gaus(0)",0,550);
  func2->SetParameter(1,498);
  func2->SetParameter(2,5);



  TCanvas* can = new TCanvas("can","",1200,600);
  can->Divide(2,1);
  can->cd(1);
  his2->Fit(func->GetName(),"","",450,550);
  his2->Draw();
  TF1* func1 = new TF1("Test","gaus",450,550);
  func1->SetParameter(0,func->GetParameter(0));
  func1->SetParameter(1,func->GetParameter(1));
  func1->SetParameter(2,func->GetParameter(2));

  can->cd(2);
  his1->SetLineColor(2);  
  his->Draw();
  his->Fit(func2->GetName(),"","",450,550);
  func->Draw("same");
  his1->Draw("same");

  std::cout<< func2->GetParameter(0) << " " 
	   << func->GetParameter(0)  << " " 
	   << func->GetParameter(0)/func2->GetParameter(0)<< std::endl;
  std::cout<< func2->Integral(450,550) << " " 
	   << func1->Integral(450,550)  << " " 
	   << func1->Integral(450,550)/func2->Integral(450,550)
	   << std::endl;
  //ch->Draw("KlongPt[0]:KlongMass[0]>>(400,200,600,50,0,20)","(CutCondition&(1|2|4|8))==0","colz");
  gPad->SetLogz();
  TText* text = new TText(0.5,0.5,"");
  TText* text1 = new TText(0.5,0.5,"");
  text->DrawTextNDC(0.5,0.5,Form("Integral:%2.3lf",func1->Integral(450,550)));
  text1->DrawTextNDC(0.5,0.6,Form("Integral:%2.3lf",func2->Integral(450,550)));
  
}

void s_intersection()
{
   gROOT->GetListOfCanvases()->Delete();
   TCanvas *c = new TCanvas("composite shape", "Intersection boolean operation", 700, 1000);

   c->Divide(1,2,0,0);
   c->cd(2);
   gPad->SetPad(0,0,1,0.4);
   c->cd(1);
   gPad->SetPad(0,0.4,1,1);
   
   if (gGeoManager) delete gGeoManager;
   
   new TGeoManager("xtru", "poza12");
   TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
   TGeoMedium *med = new TGeoMedium("MED",1,mat);
   TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
   gGeoManager->SetTopVolume(top);

   // define shape components with names
   TGeoBBox *box = new TGeoBBox("bx", 40., 40., 40.); 
   TGeoSphere *sph = new TGeoSphere("sph", 40., 45.);
   // define named geometrical transformations with names
   TGeoTranslation *tr = new TGeoTranslation(0., 0., 45.);
   tr->SetName("tr");
   // register all used transformations
   tr->RegisterYourself();
   // create the composite shape based on a Boolean expression
   TGeoCompositeShape *cs = new TGeoCompositeShape("mir", "sph:tr * bx");

   TGeoVolume *vol = new TGeoVolume("COMP2",cs);
   top->AddNode(vol,1);
   gGeoManager->CloseGeometry();
   gGeoManager->SetNsegments(100);
   top->Draw();
   MakePicture();

   c->cd(2);

   TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);

   pt->SetLineColor(1);

   TText *text = pt->AddText("TGeoCompositeShape - composite shape class");

   text->SetTextColor(2);
   pt->AddText("----- Here is an example of boolean intersection operation : A * B");
   pt->AddText("----- A == sphere (with inner radius non-zero), B == box");
   pt->AddText(" ");
   pt->SetAllWith("-----","color",4);
   pt->SetAllWith("-----","font",72);
   pt->SetAllWith("-----","size",0.04);
   pt->SetTextAlign(12);
   pt->SetTextSize(0.044);
   pt->Draw();
   c->cd(1);
}

void do2DPlots(bool muon, TString variable, TString ytitle){

	TString leptonFolder;
	if(muon == true){
		leptonFolder = "MuonMET/";
	}else{
		leptonFolder = "ElectronMET/";
		}	
		
  	setTDRStyle();
  	gStyle->SetPalette(1);

	TString dir = "rootFilesV4/central/";
	TFile* tt_file = new TFile(dir + sample+"_19584pb_PFElectron_PFMuon_PF2PATJets_PFMET.root");

cout << "Getting histo: " << "Binning/"+leptonFolder+variable+"/GenMET_vs_RecoMET"<<endl;
	TH2D* tt_2d = (TH2D*) tt_file->Get("Binning/"+leptonFolder+variable+"/GenMET_vs_RecoMET_2btags");
	TH2D* tt_2d_3b = (TH2D*) tt_file->Get("Binning/"+leptonFolder+variable+"/GenMET_vs_RecoMET_3btags");
	TH2D* tt_2d_4b = (TH2D*) tt_file->Get("Binning/"+leptonFolder+variable+"/GenMET_vs_RecoMET_4orMoreBtags");

	tt_2d->Add(tt_2d_3b);
	tt_2d->Add(tt_2d_4b);

	tt_2d->Rebin2D(5,5);
  	tt_2d->GetYaxis()->SetTitle(ytitle);
  	tt_2d->GetXaxis()->SetTitle("Gen MET (GeV)");
	tt_2d->GetYaxis()->SetTitleOffset(1.8);
	tt_2d->GetXaxis()->SetTitleOffset(1.5);

        TCanvas *c= new TCanvas("c","c",10,10,800,600);
	tt_2d->Draw("COLZ");
			
	int bin[5] = {25, 45, 70, 100, 150};//MET
	for(int i = 0; i < 5; i++){
	TLine *line = new TLine(bin[i],0,bin[i],300);
	TLine *liney = new TLine(0,bin[i],300,bin[i]);
	//TLine *line = new TLine(bin[i],0,bin[i],500);
	//TLine *liney = new TLine(0,bin[i],500,bin[i]);
	line->SetLineWidth(2);
	liney->SetLineWidth(2);
	liney->Draw();
	line->Draw();
	}
	
	TText* textPrelim = doPrelim(0.2,0.96);
	textPrelim->Draw();
	
  	TString plotName("plots/"+leptonFolder);
        plotName += sample+"_"+variable;
        plotName += "_2btags.pdf";
 
  c->SaveAs(plotName);
  delete c;


}

void compareHistos( char *Current, char *Reference=0 ) {

    TText* te = new TText();
    te->SetTextSize(0.1);

    TFile * curfile = new TFile( TString(Current)+".root" );
    TFile * reffile = curfile;
    if (Reference) reffile = new TFile(TString(Reference)+".root");


    char * prefix="DQMData/MixingV/Mixing";
//1-Dimension Histogram
    TDirectory * refDir=reffile->GetDirectory(prefix);
    TDirectory * curDir=curfile->GetDirectory(prefix);
    TList* list = refDir->GetListOfKeys();
    TObject*  object = list->First();
    int iHisto = 0;
    char title[50];
    while (object) {
        // find histo objects
        std::cout << " object :" << object->GetName() << std::endl;
        TProfile * h1 = dynamic_cast<TProfile*>( refDir->Get(object->GetName()));
        TProfile * h2 = dynamic_cast<TProfile*>( curDir->Get(object->GetName()));
        bool isHisto = (refDir->Get(object->GetName()))->InheritsFrom("TProfile");
        std::cout << " isHisto = " << isHisto << std::endl;
        if (isHisto && h1 && h2 && *h1->GetName()== *h2->GetName()) {
            iHisto++;
            char title[50];
            // draw and  compare
            std::cout << " Start draw and compare" << std::endl;
            TCanvas c1;
            TProfile htemp2;
            h2->Copy(htemp2);// to keep 2 distinct histos

            h1->SetLineColor(2);
            htemp2.SetLineColor(3);
            h1->SetLineStyle(3);
            h1->SetMarkerColor(3);
            htemp2.SetLineStyle(5);
            htemp2.SetMarkerColor(5);
            TLegend leg(0.1, 0.15, 0.2, 0.25);
            leg.AddEntry(h1, "Reference", "l");
            leg.AddEntry(&htemp2, "New ", "l");

            h1->Draw();
            htemp2.Draw("Same");
            leg.Draw();
            sprintf(title,"%s%s", object->GetName(),".gif");
            c1.Print(title);
        }

        // go to next object
        object = list->After(object);
    }
}

//______________________________________________________________________________
void DrawPeriod(int runmin, int runmax, int run1, int run2, double ymin, double ymax, const char* label)
{
  if ( run1 < runmin || run1 > runmax || run2 < runmin || run2 > runmax ) return;

  TBox* b = new TBox(run1,ymin,run2,ymax);
  b->SetFillColor(5);
  b->Draw();
  TText* text = new TText((run1+run2)/2.0,ymax*0.6,label);
  text->SetTextAlign(22);
  text->SetTextSize(0.02);
  text->Draw();
}

void s_difference()
{
   gROOT->GetListOfCanvases()->Delete();
   TCanvas *c = new TCanvas("composite shape", "Difference boolean operation", 700, 1000);

   c->Divide(1,2,0,0);
   c->cd(2);
   gPad->SetPad(0,0,1,0.4);
   c->cd(1);
   gPad->SetPad(0,0.4,1,1);
   
   if (gGeoManager) delete gGeoManager;
   
   new TGeoManager("xtru", "poza12");
   TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
   TGeoMedium *med = new TGeoMedium("MED",1,mat);
   TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
   gGeoManager->SetTopVolume(top);

   // define shape components with names
   TGeoTorus *tor = new TGeoTorus("tor", 45., 15., 20., 45., 145.); 
   TGeoSphere *sph = new TGeoSphere("sph", 20., 45., 0., 180., 0., 270.);
   // create the composite shape based on a Boolean expression
   TGeoCompositeShape *cs = new TGeoCompositeShape("mir", "sph - tor");

   TGeoVolume *vol = new TGeoVolume("COMP3",cs);
   top->AddNode(vol,1);
   gGeoManager->CloseGeometry();
   gGeoManager->SetNsegments(60);
   top->Draw();
   MakePicture();

   c->cd(2);

   TPaveText *pt = new TPaveText(.01, .01, .99, .99);

   pt->SetLineColor(1);

   TText *text = pt->AddText("TGeoCompositeShape - composite shape class");

   text->SetTextColor(2);

   pt->AddText("----- It's an example of boolean difference: A - B");
   pt->AddText("----- A == part of sphere (0-180, 0-270), B == partial torus (45-145)");
   pt->AddText(" ");
   pt->SetAllWith("-----","color",4);
   pt->SetAllWith("-----","font",72);
   pt->SetAllWith("-----","size",0.04);
   pt->SetTextAlign(12);
   pt->SetTextSize(0.044);
   pt->Draw();
   c->cd(1);
}

void DoCompare( char *Current, char *Reference=0 ){

 TText* te = new TText();
 te->SetTextSize(0.1);
 
 gROOT->ProcessLine(".x HistoCompare.C");
 HistoCompare * myPV = new HistoCompare();

 TFile * curfile = new TFile( TString(Current)+".root" );
 TFile * reffile = curfile;
 if (Reference) reffile = new TFile(TString(Reference)+".root");


 char * prefix="DQMData/MixingV/";
 //1-Dimension Histogram
 TDirectory * refDir=reffile->GetDirectory(prefix);
 TDirectory * curDir=curfile->GetDirectory(prefix);
 TList* list = refDir->GetListOfKeys();  
 TObject*  object = list->First();
 int iHisto = 0; char title[50];
 while (object) {
   // find histo objects
   TH1F * h1 = dynamic_cast<TH1F*>( refDir->Get(object->GetName()));
   TH1F * h2 = dynamic_cast<TH1F*>( curDir->Get(object->GetName()));
   bool isHisto = (refDir->Get(object->GetName()))->InheritsFrom("TH1F");
   if (isHisto && h1 && h2 && *h1->GetName()== *h2->GetName()) {
     iHisto++;
      char title[50];
      // draw and  compare
   TCanvas c1;
   TH1F htemp2;
   h2->Copy(htemp2);// to keep 2 distinct histos

   h1->SetLineColor(2);
   htemp2.SetLineColor(3);
   h1->SetLineStyle(3);
   htemp2.SetLineStyle(5);
   TLegend leg(0.1, 0.15, 0.2, 0.25);
   leg.AddEntry(h1, "Reference", "l");
   leg.AddEntry(&htemp2, "New ", "l");

   h1->Draw();
   htemp2.Draw("Same"); 
   leg.Draw();
   myPV->PVCompute(h1,&htemp2, te);
   sprintf(title,"%s%s", object->GetName(),".eps");
   c1.Print(title);
   }
   // go to next object
   object = list->After(object);
   }
}

void test(void){

  TCanvas *c = new TCanvas("c","font test");
  TH1D *h = new TH1D("h","h",10,0,10);
  TText *t = new TText();
  h->SetTitle("Title");
  h->GetXaxis()->SetTitle("X axis daze");
  h->GetYaxis()->SetTitle("Y axis yade");
  h->Draw();
  t->DrawTextNDC(0.4, 0.4 ,"abcdef");


}

//--------------------------------------------------------------------------------------------------
void overlayFrame(TString text, bool align)
{
  // Overlay a linear frame from user coordinates (0 - 1, 0 - 1) and put the frame text

  // Create new transparent pad for the text
  TPad *transPad = new TPad("transPad","Transparent Pad",0,0,1,1);
  transPad->SetFillStyle(4000);
  transPad->Draw();
  transPad->cd();

  // Overlay the text in a well defined frame
  TText *plotText = new TText();
  plotText->SetTextColor(kBlue);
  plotText->SetTextSize(0.04);
  plotText->SetNDC();

  // Draw text at top right
  if (align) {
    plotText->SetTextColor(kBlack);
    plotText->SetTextAlign(33);
    plotText->DrawText(0.92,0.95,text.Data());
  }
  // Draw text at bottom left
  else
    plotText->DrawText(0.01,0.01,text.Data());

  return;
}

void postprocess(TCanvas* c2, const char* name, Int_t rWrite, Int_t rPerformance) {

        if (rPerformance){

                TLatex *alice = new TLatex(0.65,0.47,"Performance");
                alice->SetNDC();
                alice->SetTextColor(myDarkRed);
                alice->SetTextFont(42);
                alice->SetTextSize(0.05);
                alice->SetLineWidth(2);
                alice->Draw();

                TLatex *alice2 = new TLatex(0.62,0.41,"LHC10h - Pass2");
                alice2->SetNDC();
                alice2->SetTextColor(myDarkRed);
                alice->SetTextFont(42);
                alice2->SetTextSize(0.05);
                alice2->SetLineWidth(2);
                alice2->Draw();

                TText *date = new TText(0.68,0.35,cStamp2);
                date->SetNDC();
                date->SetTextFont(42);
                date->SetTextSize(0.04);
                date->Draw();

                //Acquire canvas proportions
                Double_t AliLogo_LowX = 0.67;
                Double_t AliLogo_LowY = 0.53;
                Double_t AliLogo_Height = 0.22;
                //ALICE logo is a png file that is 821x798 pixels->should be wider than a square
                Double_t AliLogo_Width  = (821./798.) * AliLogo_Height * gPad->GetWh() / gPad->GetWw();

                TPad *myPadLogo = new TPad("myPadLogo", "Pad for ALICE Logo",AliLogo_LowX,AliLogo_LowY,AliLogo_LowX+AliLogo_Width,AliLogo_LowY+AliLogo_Height);
                //    myPadLogo->SetFillColor(2); // color to first figure out where is the pad then comment !
                myPadSetUp(myPadLogo,0,0,0,0);
                //myPadLogo->SetFixedAspectRatio(1);
                myPadLogo->Draw();
                myPadLogo->cd();
                TASImage *myAliceLogo = new TASImage("alice_logo_transparent.png");
                myAliceLogo->Draw();
        }

        if (rWrite == 1)
                c2->SaveAs(Form("%s.png",name));

        if (rWrite == 2)
                c2->SaveAs(Form("%s.eps",name));

}