root.cc

Go to the documentation of this file.

//-----------------------------------------------------------------------------
/** PhysicsTools/PyGui/src/root.cc

 Description: A collection of simple Root utilities.  
 
 Implementation:
     As simple as possible
*/
// Created: Summer-2008 Harrison B. Prosper
//-----------------------------------------------------------------------------
//$Revision: 1.1.1.1 $

#include <cassert>
#include <algorithm>

//#include "PhysicsTools/PyGui/interface/root.h"
#include "HGCal/TBEventDisplay/interface/root.h"
#include "TRootHelpDialog.h"
#include "TGFont.h"
#include "TGListBox.h"
#include "TGResourcePool.h"
#include "TGLUtil.h"
#include "TColor.h"

using namespace std;


const TGClient* 
root::Client() { return gClient; }

const TGWindow* 
root::GetRoot() { return gClient->GetRoot(); }

Pixel_t 
root::Color(std::string name)
{
  Pixel_t pixel;
  gClient->GetColorByName(name.c_str(), pixel);
  return pixel;
}

TGLBEntry*
root::GLBEntry(TGListBox* listbox, 
           std::string str, int id, 
           std::string font, int fontsize)
{
  // Create font object

  char fontstr[256];
  sprintf(fontstr,"-adobe-%s-*-*-%d-*-*-*-*-*-iso8859-1", 
          font.c_str(), fontsize);

  const TGFont* ufont = gClient->GetFont(fontstr);
   if (!ufont)
     ufont = gClient->GetResourcePool()->GetDefaultFont();

   // Create graphics context object

   GCValues_t val;
   val.fMask = kGCFont;
   val.fFont = ufont->GetFontHandle();
   TGGC* uGC = gClient->GetGC(&val, kTRUE);

   TGTextLBEntry* entry = new TGTextLBEntry(listbox->GetContainer(), 
                                            new TGString(str.c_str()), 
                                            id, 
                                            uGC->GetGC(), 
                                            ufont->GetFontStruct());
   return (TGLBEntry*)entry;
}

void
root::DrawAxes(TGLViewer* viewer)
{ 
  viewer->SetGuideState(TGLUtil::kAxesOrigin,
            kTRUE,
            kFALSE,
            0);
}

int 
root::SetSpectrumPalette()
{
  TColor::SetPalette(1, 0);
  return TColor::GetNumberOfColors();
}