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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCullerCollection.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkCullerCollection
* @brief an ordered list of Cullers
*
* vtkCullerCollection represents and provides methods to manipulate a list
* of Cullers (i.e., vtkCuller and subclasses). The list is ordered and
* duplicate entries are not prevented.
*
* @sa
* vtkCuller vtkCollection
*/
#ifndef vtkCullerCollection_h
#define vtkCullerCollection_h
#include "vtkCollection.h"
#include "vtkCuller.h" // for inline functions
#include "vtkRenderingCoreModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGCORE_EXPORT vtkCullerCollection : public vtkCollection
{
public:
static vtkCullerCollection* New();
vtkTypeMacro(vtkCullerCollection, vtkCollection);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Add an Culler to the bottom of the list.
*/
void AddItem(vtkCuller* a) { this->vtkCollection::AddItem(a); }
/**
* Get the next Culler in the list.
*/
vtkCuller* GetNextItem() { return static_cast<vtkCuller*>(this->GetNextItemAsObject()); }
/**
* Get the last Culler in the list.
*/
vtkCuller* GetLastItem();
/**
* Reentrant safe way to get an object in a collection. Just pass the
* same cookie back and forth.
*/
vtkCuller* GetNextCuller(vtkCollectionSimpleIterator& cookie)
{
return static_cast<vtkCuller*>(this->GetNextItemAsObject(cookie));
}
protected:
vtkCullerCollection() = default;
~vtkCullerCollection() override = default;
private:
// hide the standard AddItem from the user and the compiler.
void AddItem(vtkObject* o) { this->vtkCollection::AddItem(o); }
private:
vtkCullerCollection(const vtkCullerCollection&) = delete;
void operator=(const vtkCullerCollection&) = delete;
};
inline vtkCuller* vtkCullerCollection::GetLastItem()
{
if (this->Bottom == nullptr)
{
return nullptr;
}
else
{
return static_cast<vtkCuller*>(this->Bottom->Item);
}
}
VTK_ABI_NAMESPACE_END
#endif
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