G4Visible.cc

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// 
// John Allison  30th October 1996
// Base class for all things visible, i.e., which have Vis Attributes.
 
#include "G4Visible.hh"
#include "G4VisAttributes.hh"
#include "G4ios.hh"
 
G4Visible::G4Visible ():
  fpVisAttributes (nullptr),
  fAllocatedVisAttributes (false)
{}
 
G4Visible::G4Visible (const G4Visible& visible){
  fAllocatedVisAttributes = visible.fAllocatedVisAttributes;
  if (fAllocatedVisAttributes) {
    if (visible.fpVisAttributes) {
      fpVisAttributes = new G4VisAttributes(*visible.fpVisAttributes);
    } else {
      fAllocatedVisAttributes = false;
      fpVisAttributes = nullptr;
    }
  } else fpVisAttributes = visible.fpVisAttributes;
}
 
G4Visible::G4Visible (G4Visible&& visible){
  fAllocatedVisAttributes = visible.fAllocatedVisAttributes;
  fpVisAttributes = visible.fpVisAttributes;
  visible.fpVisAttributes = nullptr;
  visible.fAllocatedVisAttributes = false;
}
 
G4Visible::G4Visible (const G4VisAttributes* pVA):
  fpVisAttributes (pVA),
  fAllocatedVisAttributes (false)
{}
 
G4Visible::~G4Visible () {
  if (fAllocatedVisAttributes) delete fpVisAttributes;
}
 
G4Visible& G4Visible::operator= (const G4Visible& rhs) {
  if (&rhs == this) return *this;
  fInfo = rhs.fInfo;
  fAllocatedVisAttributes = rhs.fAllocatedVisAttributes;
  if (fAllocatedVisAttributes) {
    delete fpVisAttributes;
    if (rhs.fpVisAttributes) {
      fpVisAttributes = new G4VisAttributes(*rhs.fpVisAttributes);
    } else {
      fAllocatedVisAttributes = false;
      fpVisAttributes = nullptr;
    }
  }
  else fpVisAttributes = rhs.fpVisAttributes;
  return *this;
}
 
G4Visible& G4Visible::operator= (G4Visible&& rhs) {
  if (&rhs == this) return *this;
  fInfo = rhs.fInfo;
  if (fAllocatedVisAttributes) delete fpVisAttributes;
  fpVisAttributes = rhs.fpVisAttributes;
  fAllocatedVisAttributes = rhs.fAllocatedVisAttributes;
  rhs.fpVisAttributes = nullptr;
  rhs.fAllocatedVisAttributes = false;
  return *this;
}
 
void G4Visible::SetVisAttributes (const G4VisAttributes& VA) {
  // Allocate G4VisAttributes on the heap in case the user specifies a
  // short-lived VA for a long-lived G4Visible.  Flag so that it can
  // be deleted in the destructor.
  // First delete any G4VisAttributes already on the heap...
  if (fAllocatedVisAttributes) delete fpVisAttributes;
  fpVisAttributes = new G4VisAttributes(VA);
  fAllocatedVisAttributes = true;
}
 
 
void G4Visible::SetVisAttributes (const G4VisAttributes* pVA) {
  // First delete any G4VisAttributes already on the heap...
  if (fAllocatedVisAttributes) delete fpVisAttributes;
  fpVisAttributes = pVA;
  fAllocatedVisAttributes = false;
}
 
G4bool G4Visible::operator != (const G4Visible& right) const {
  if (fInfo != right.fInfo) return false;
  if ((fpVisAttributes != nullptr) && (right.fpVisAttributes != nullptr))
    return *fpVisAttributes != *right.fpVisAttributes;
  if ((fpVisAttributes == nullptr) && (right.fpVisAttributes == nullptr)) return false;
  return true;
}
 
std::ostream& operator << (std::ostream& os, const G4Visible& v) {
  os << "G4Visible: ";
  if (!v.fInfo.empty()) os << "User information: " << v.fInfo << ": ";
  if (v.fpVisAttributes != nullptr) return os << '\n' << *(v.fpVisAttributes);
  return os << "No Visualization Attributes";
}