JDraw.cc

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#include <string>
#include <iostream>
#include <iomanip>
 
#include "TROOT.h"
#include "TFile.h"
#include "TApplication.h"
#include "TCanvas.h"
#include "TRootCanvas.h"
#include "TKey.h"
#include "TRegexp.h"
#include "TStyle.h"
#include "TLine.h"
#include "TAttLine.h"
#include "TEllipse.h"
#include "TAttFill.h"
#include "TText.h"
#include "TAttText.h"
#include "TBox.h"
 
#include "JROOT/JCanvas.hh"
#include "JGizmo/JRootObjectID.hh"
#include "JGizmo/JGizmoToolkit.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
  
/**
 * \file
 * General purpose plot program to draw ROOT objects.
 * The option <tt>-f</tt> corresponds to <tt><file name>:<object name></tt>.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
 
  vector<JRootObjectID>   inputFile;
  string                  outputFile;
  JCanvas                 canvas;
  bool                    batch;
  int                     debug;
 
  try {
    
    JParser<> zap("General purpose plot program to draw ROOT objects.");
 
    zap['f'] = make_field(inputFile,  "<input file>:<object name>");
    zap['o'] = make_field(outputFile, "graphics output")                    = "";
    zap['w'] = make_field(canvas,     "size of canvas <nx>x<ny> [pixels]")  = JCanvas(500, 500);
    zap['B'] = make_field(batch,      "batch processing");
    zap['d'] = make_field(debug)      = 0;
     
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
 
  gROOT->SetBatch(batch);
 
  TApplication* tp = new TApplication("user", NULL, NULL);
  TCanvas*      cv = new TCanvas("c1", "c1", canvas.x, canvas.y);
 
  if (!batch) {
    ((TRootCanvas *) cv->GetCanvasImp())->Connect("CloseWindow()", "TApplication", tp, "Terminate()");
  }
 
  cv->SetFillStyle(4000);
  cv->SetFillColor(kWhite);
  cv->Divide(1,1);
  cv->cd(1);
 
  for (vector<JRootObjectID>::const_iterator input = inputFile.begin(); input != inputFile.end(); ++input) {
 
    DEBUG("Input: " << *input << endl);
 
    TDirectory* dir = getDirectory(*input);
 
    if (dir == NULL) {
      ERROR("File: " << input->getFullFilename() << " not opened." << endl);
      continue;
    }
 
    const TRegexp regexp(input->getObjectName());
 
    TIter iter(dir->GetListOfKeys());
 
    for (TKey* key; (key = (TKey*) iter.Next()) != NULL; ) {
 
      const TString tag(key->GetName());
 
      DEBUG("Key: " << tag << " match = " << tag.Contains(regexp) << endl);
        
      // option match
 
      if (tag.Contains(regexp) && isTObject(key)) {
 
        TObject* p = key->ReadObj();
 
        if (dynamic_cast<TText*>   (p)  ||
            dynamic_cast<TLine*>   (p)  ||
            dynamic_cast<TEllipse*>(p)  ||
            dynamic_cast<TBox*>    (p)) {
 
          DEBUG("Add object: " << tag << " with name <" << p->GetName() << ">" << endl);
 
          p->Draw("SAME");
        }
      }
    }
  }
 
  cv->Update();
 
  if (outputFile != "") {
    cv->SaveAs(outputFile.c_str());
  }
 
  if (!batch) {
    tp->Run();
  }
}