Method DeepCopy

Common/Core/vtkDataArray_DeepCopy.cxx:126–168

} // end anon namespace

VTK_ABI_NAMESPACE_BEGIN
//------------------------------------------------------------------------------
// Normally subclasses will do this when the input and output type of the
// DeepCopy are the same. When they are not the same, then we use the
// templated code below.
void vtkDataArray::DeepCopy(vtkDataArray* da)
{
  // Match the behavior of the old AttributeData
  if (da == nullptr)
  {
    return;
  }

  if (this != da)
  {
    this->Superclass::DeepCopy(da); // copy Information object

    vtkIdType numTuples = da->GetNumberOfTuples();
    int numComps = da->NumberOfComponents;

    this->SetNumberOfComponents(numComps);
    this->SetNumberOfTuples(numTuples);

    if (numTuples != 0)
    {
      DeepCopyWorker worker;
      if (!vtkArrayDispatch::Dispatch2::Execute(da, this, worker))
      {
        // If dispatch fails, use fallback:
        worker(da, this);
      }
    }

    this->SetLookupTable(nullptr);
    if (da->LookupTable)
    {
      this->LookupTable = da->LookupTable->NewInstance();
      this->LookupTable->DeepCopy(da->LookupTable);
    }
  }

  this->Squeeze();
}
VTK_ABI_NAMESPACE_END