REveGeoShapeExtract.cxx

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// @(#)root/eve7:$Id$
// Authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
 
/*************************************************************************
 * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#include <ROOT/REveGeoShapeExtract.hxx>
#include <ROOT/REveGeoShape.hxx>
 
#include "TList.h"
#include "TGeoManager.h"
#include "TGeoShape.h"
 
using namespace ROOT::Experimental;
namespace REX = ROOT::Experimental;
 
/** \class REveGeoShapeExtract
\ingroup REve
Globally positioned TGeoShape with rendering attributes and an
optional list of daughter shape-extracts.
 
Vessel to carry hand-picked geometry from gled to reve.
This class exists in both frameworks.
*/
 
////////////////////////////////////////////////////////////////////////////////
/// Constructor.
 
REveGeoShapeExtract::REveGeoShapeExtract(const char* n, const char* t) :
   TNamed       (n,t),
   fRnrSelf     (kTRUE),
   fRnrElements (kTRUE),
   fRnrFrame    (kTRUE),
   fMiniFrame   (kTRUE),
   fShape       (nullptr),
   fElements    (nullptr)
{
   memset(fTrans, 0, sizeof(fTrans));
   fTrans[0] = fTrans[5] = fTrans[10] = fTrans[15] = 1;
   fRGBA [0] = fRGBA [1] = fRGBA [2]  = fRGBA [3]  = 1;
   fRGBALine[0] = fRGBALine[1] = fRGBALine[2] = 0; fRGBALine[3] = 1;
}
 
////////////////////////////////////////////////////////////////////////////////
/// Destructor. Delete shape and elements.
 
REveGeoShapeExtract::~REveGeoShapeExtract()
{
   delete fShape;
   delete fElements;
}
 
////////////////////////////////////////////////////////////////////////////////
/// True if has at least one element.
 
Bool_t REveGeoShapeExtract::HasElements()
{
   return fElements && (fElements->GetSize() > 0);
}
 
////////////////////////////////////////////////////////////////////////////////
/// Add a child element.
 
void REveGeoShapeExtract::AddElement(REveGeoShapeExtract* gse)
{
   if (!fElements)
      fElements = new TList;
 
   fElements->Add(gse);
}
 
////////////////////////////////////////////////////////////////////////////////
/// Set transformation matrix.
 
void REveGeoShapeExtract::SetTrans(const Double_t arr[16])
{
   for(Int_t i=0; i<16; ++i)
      fTrans[i] = arr[i];
}
 
////////////////////////////////////////////////////////////////////////////////
/// Set RGBA color.
 
void REveGeoShapeExtract::SetRGBA(const Float_t  arr[4])
{
   for(Int_t i=0; i<4; ++i)
      fRGBA[i] = arr[i];
}
 
////////////////////////////////////////////////////////////////////////////////
/// Set RGBA color for line.
 
void REveGeoShapeExtract::SetRGBALine(const Float_t  arr[4])
{
   for(Int_t i=0; i<4; ++i)
      fRGBALine[i] = arr[i];
}