CrvDQMStyle.hh

// ROOT styling for CRV DQM 
// Samuel Grant 2025
 
#ifndef CRV_DQM_STYLE_H
#define CRV_DQM_STYLE_H
 
#include "TH1.h"
#include "TH2.h"
#include "TStyle.h"
#include "TCanvas.h"
#include "TPad.h"
#include "TROOT.h"
 
class CrvDQMStyle {
public:
    static void SetStyle() {
 
        TStyle *style = new TStyle("CrvStyle", "CRV DQM styling");
        
        // Basic canvas settings
        style->SetCanvasColor(kWhite);
        style->SetCanvasBorderMode(0);
        style->SetPadColor(kWhite);
        style->SetPadBorderMode(0);
        style->SetPadTopMargin(0.05);
        style->SetPadBottomMargin(0.13);
        style->SetPadLeftMargin(0.15);
        style->SetPadRightMargin(0.05);
        
        // Font settings 
        style->SetTextFont(42);
        style->SetLabelFont(42, "xyz");
        style->SetTitleFont(42, "xyz");
        
        // Text sizes
        style->SetTextSize(0.045);
        style->SetLabelSize(0.045, "xyz");
        style->SetTitleSize(0.05, "xyz");
        
        // Title positioning
        style->SetTitleOffset(1.2, "y");
        style->SetTitleOffset(1.0, "x");
 
        // Canvas fill
        style->SetFillColor(kWhite);
        style->SetFillStyle(1001);  
        
        // Ticks and divisions
        style->SetPadTickX(1);
        style->SetPadTickY(1);
        style->SetTickLength(0.015);
        style->SetNdivisions(505, "xyz");
        
        // Frame
        style->SetFrameLineWidth(1);
        style->SetLineWidth(1);
        
        style->SetOptStat(0);
        
        // Use current style - this works in 6.30
        gROOT->SetStyle("CrvStyle");
        gROOT->ForceStyle();
    }
 
    static void FormatHist(TH1* hist, const std::string& colour = "blue") {
        if (!hist) return;
        // Basic histogram-specific formatting 
        hist->SetStats(0);
        hist->SetLineWidth(2);
        hist->SetFillStyle(1001);
        hist->SetLineStyle(1);
        hist->GetYaxis()->SetTitleOffset(1.6);
        hist->GetXaxis()->SetTitleOffset(1.2);
        
        // Primary colours
        if (colour == "blue") {
            hist->SetLineColor(kAzure+2);
            hist->SetFillColor(kAzure-9);
        }
        else if (colour == "green") {
            hist->SetLineColor(kGreen+2);
            hist->SetFillColor(kGreen-9);
        }
        else if (colour == "red") {
            hist->SetLineColor(kRed+2);
            hist->SetFillColor(kRed-9);
        }
    }
};
 
#endif