EVE/Reve/NLTBases.cxx

   1 // $Header$
   2
   3 #include "NLTBases.h"
   4 #include "Reve/NLTPolygonSet.h"
   5
   6 using namespace Reve;
   7
   8 //______________________________________________________________________
   9 // NLTProjectable
  10 //
  11
  12 ClassImp(NLTProjectable)
  13
  14 NLTProjectable::NLTProjectable()
  15 {}
  16
  17 NLTProjectable::~NLTProjectable()
  18 {
  19   while ( ! fProjectedList.empty())
  20   {
  21     fProjectedList.front()->UnRefProjectable(this);
  22   }
  23 }
  24
  25 //______________________________________________________________________
  26 // NLTGeoProjectable
  27 //
  28
  29 ClassImp(NLTGeoProjectable)
  30
  31 NLTGeoProjectable::NLTGeoProjectable()
  32 {}
  33
  34 TClass* NLTGeoProjectable::ProjectedClass() const
  35 {
  36    return NLTPolygonSet::Class();
  37 }
  38
  39 //______________________________________________________________________
  40 // NLTProjected
  41 //
  42
  43 ClassImp(NLTProjected)
  44
  45 NLTProjected::NLTProjected() :
  46   fProjector   (0),
  47   fProjectable (0),
  48   fDepth       (0)
  49 {}
  50
  51 NLTProjected::~NLTProjected()
  52 {
  53   if (fProjectable) fProjectable->RemoveProjected(this);
  54 }
  55
  56 void NLTProjected::SetProjection(NLTProjector* proj, NLTProjectable* model)
  57 {
  58   fProjector   = proj;
  59   if (fProjectable) fProjectable->RemoveProjected(this);
  60   fProjectable = model;
  61   fProjectable->AddProjected(this);
  62 }
  63
  64 void NLTProjected::UnRefProjectable(NLTProjectable* assumed_parent)
  65 {
  66   static const Exc_t eH("NLTProjected::UnRefProjectable ");
  67
  68   if (fProjectable != assumed_parent) {
  69     Warning(eH, "mismatch between assumed and real model. This is a bug.");
  70     assumed_parent->RemoveProjected(this);
  71     return;
  72   }
  73
  74   if (fProjectable) {
  75     fProjectable->RemoveProjected(this);
  76     fProjectable = 0;
  77   }
  78 }