G4VGraphicsSystem.cc

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// $Id$
//
// 
// John Allison  27th March 1996
// Abstract interface class for graphics systems.

#include "G4VGraphicsSystem.hh"

#include "G4VisManager.hh"

G4VGraphicsSystem::~G4VGraphicsSystem () {}

G4VGraphicsSystem::G4VGraphicsSystem (const G4String& name,
                                      Functionality f):
  fName (name),
  fNickname (""),
  fDescription (""),
  fFunctionality (f) {}

G4VGraphicsSystem::G4VGraphicsSystem (const G4String& name,
                                      const G4String& nickname,
                                      Functionality f):
  fName (name),
  fNickname (nickname),
  fDescription (""),
  fFunctionality (f) {}

G4VGraphicsSystem::G4VGraphicsSystem (const G4String& name,
                                      const G4String& nickname,
                                      const G4String& description,
                                      Functionality f):
  fName (name),
  fNickname (nickname),
  fDescription (description),
  fFunctionality (f) {}

G4bool G4VGraphicsSystem::IsUISessionCompatible () const
{
  return true;
}

std::ostream& operator << (std::ostream& os, const G4VGraphicsSystem& gs) {
  G4VisManager* pVMan = G4VisManager::GetInstance ();
  const G4SceneHandlerList& scenes = pVMan -> GetAvailableSceneHandlers ();
  os << "Graphics System: " << gs.GetName ();
  if (gs.GetNickname () != "") {
    os << ", nickname: " << gs.GetNickname ();
  }
  if (gs.GetDescription () != "") {
    os << "\n  Description: " << gs.GetDescription ();
  }
  os << "\n  Functionality: " << G4int(gs.GetFunctionality());
  if (pVMan -> GetVerbosity() >= G4VisManager::parameters) {
    size_t nScenes = scenes.size ();
    if (nScenes) {
      G4int nScenesOfThisSystem = 0;
      for (size_t i = 0; i < nScenes; i++) {
        if (scenes [i] -> GetGraphicsSystem () == &gs) {
          nScenesOfThisSystem++;
        }
      }
      if (nScenesOfThisSystem) {
        os << "\n  Its scenes are: ";
        for (size_t i = 0; i < nScenes; i++) {
          if (scenes [i] -> GetGraphicsSystem () == &gs) {
            os << "\n  " << *(scenes [i]);
          }
        }
      }
      else {
        os << "\n  It has no scenes at present.";
      }
    }
    else {
      os << "\n  There are no scenes instantiated at present.";
    }
  }
  return os;
}

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