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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkTreeIterator.h"
#include "vtkTree.h"
VTK_ABI_NAMESPACE_BEGIN
vtkTreeIterator::vtkTreeIterator()
{
this->Tree = nullptr;
this->StartVertex = -1;
this->NextId = -1;
}
vtkTreeIterator::~vtkTreeIterator()
{
if (this->Tree)
{
this->Tree->UnRegister(this);
this->Tree = nullptr;
}
}
void vtkTreeIterator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Tree: " << this->Tree << endl;
os << indent << "StartVertex: " << this->StartVertex << endl;
os << indent << "NextId: " << this->NextId << endl;
}
void vtkTreeIterator::SetTree(vtkTree* tree)
{
bool needs_init = this->Tree != tree;
vtkSetObjectBodyMacro(Tree, vtkTree, tree);
if (needs_init)
{
this->StartVertex = -1;
this->Initialize();
}
}
void vtkTreeIterator::SetStartVertex(vtkIdType vertex)
{
if (this->StartVertex != vertex)
{
this->StartVertex = vertex;
this->Initialize();
this->Modified();
}
}
vtkIdType vtkTreeIterator::Next()
{
vtkIdType last = this->NextId;
if (last != -1)
{
this->NextId = this->NextInternal();
}
return last;
}
bool vtkTreeIterator::HasNext()
{
return this->NextId != -1;
}
void vtkTreeIterator::Restart()
{
this->Initialize();
}
VTK_ABI_NAMESPACE_END
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