TEveCalo3DGL.h

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// @(#)root/eve:$Id$
// Author: Matevz Tadel 2007
 
/*************************************************************************
 * Copyright (C) 1995-2007, 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_TEveCalo3DGL
#define ROOT_TEveCalo3DGL
 
#include "TGLObject.h"
#include "TEveCaloData.h"
 
class TEveCalo3D;
 
class TEveCalo3DGL : public TGLObject
{
private:
   TEveCalo3DGL(const TEveCalo3DGL&);            // Not implemented
   TEveCalo3DGL& operator=(const TEveCalo3DGL&); // Not implemented
 
   void    CrossProduct(const Float_t a[3], const Float_t b[3], const Float_t c[3], Float_t out[3]) const;
 
   void    RenderBox(const Float_t pnts[8]) const;
   void    RenderGridEndCap() const;
   void    RenderGridBarrel() const;
   void    RenderGrid(TGLRnrCtx & rnrCtx) const;
   void    RenderBarrelCell(const TEveCaloData::CellGeom_t &cell, Float_t towerH, Float_t& offset) const;
   void    RenderEndCapCell(const TEveCaloData::CellGeom_t &cell, Float_t towerH, Float_t& offset) const;
 
   void    DrawSelectedCells(TEveCaloData::vCellId_t cells) const;
 
protected:
   TEveCalo3D     *fM;  // Model object.
 
   mutable std::vector<Float_t>     fOffset;
 
public:
   TEveCalo3DGL();
   virtual ~TEveCalo3DGL() {}
 
   virtual Bool_t SetModel(TObject* obj, const Option_t* opt=0);
   virtual void   SetBBox();
 
   virtual void   DirectDraw(TGLRnrCtx & rnrCtx) const;
   virtual void   DrawHighlight(TGLRnrCtx & rnrCtx, const TGLPhysicalShape* ps, Int_t lvl=-1) const;
 
   virtual Bool_t ShouldDLCache(const TGLRnrCtx& rnrCtx) const;
   virtual Bool_t SupportsSecondarySelect() const { return kTRUE; }
   virtual Bool_t AlwaysSecondarySelect()   const { return kTRUE; }
   virtual void   ProcessSelection(TGLRnrCtx & rnrCtx, TGLSelectRecord & rec);
 
   ClassDef(TEveCalo3DGL, 0); // GL renderer class for TEveCalo.
};
 
#endif