TVirtualGraphPainter.h

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// @(#)root/hist:$Id$
// Author: Olivier Couet 20/05/08
 
/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
#ifndef ROOT_TVirtualGraphPainter
#define ROOT_TVirtualGraphPainter
 
//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TVirtualGraphPainter                                                 //
//                                                                      //
// Abstract base class for Graph painters                               //
//                                                                      //
//////////////////////////////////////////////////////////////////////////
 
#include "TObject.h"
 
class TGraph;
class TScatter;
class TF1;
 
class TVirtualGraphPainter : public TObject {
 
private:
   static TVirtualGraphPainter   *fgPainter; //Pointer to class painter
 
public:
   TVirtualGraphPainter() { }
   ~TVirtualGraphPainter() override { }
 
   virtual Int_t DistancetoPrimitiveHelper(TGraph *theGraph, Int_t px, Int_t py) = 0;
   virtual void  DrawPanelHelper(TGraph *theGraph) = 0;
   virtual void  ExecuteEventHelper(TGraph *theGraph, Int_t event, Int_t px, Int_t py) = 0;
   virtual char *GetObjectInfoHelper(TGraph *theGraph, Int_t px, Int_t py) const = 0;
   virtual void  PaintHelper(TGraph *theGraph, Option_t *option) = 0;
   virtual void  PaintGraph(TGraph *theGraph, Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt) = 0;
   virtual void  PaintGrapHist(TGraph *theGraph, Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt) = 0;
   virtual void  PaintScatter(TScatter *theScatter, Option_t *option) = 0;
   virtual void  PaintStats(TGraph *theGraph, TF1 *fit) = 0;
   virtual void  SetHighlight(TGraph *theGraph) = 0;
 
   static TVirtualGraphPainter *GetPainter();
   static void                  SetPainter(TVirtualGraphPainter *painter);
 
   ClassDefOverride(TVirtualGraphPainter,0)  //Abstract interface for histogram painters
};
 
#endif