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/*=========================================================================
Program: Visualization Toolkit
Module: vtkLightCollection.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 vtkLightCollection
* @brief an ordered list of lights
*
* vtkLightCollection represents and provides methods to manipulate a list of
* lights (i.e., vtkLight and subclasses). The list is ordered and duplicate
* entries are not prevented.
*
* @sa
* vtkCollection vtkLight
*/
#ifndef vtkLightCollection_h
#define vtkLightCollection_h
#include "vtkCollection.h"
#include "vtkRenderingCoreModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkLight;
class VTKRENDERINGCORE_EXPORT vtkLightCollection : public vtkCollection
{
public:
static vtkLightCollection* New();
vtkTypeMacro(vtkLightCollection, vtkCollection);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Add a light to the bottom of the list.
*/
void AddItem(vtkLight* a);
/**
* Get the next light in the list. NULL is returned when the collection is
* exhausted.
*/
vtkLight* GetNextItem();
/**
* Reentrant safe way to get an object in a collection. Just pass the
* same cookie back and forth.
*/
vtkLight* GetNextLight(vtkCollectionSimpleIterator& cookie);
protected:
vtkLightCollection() = default;
~vtkLightCollection() override = default;
private:
// hide the standard AddItem from the user and the compiler.
void AddItem(vtkObject* o) { this->vtkCollection::AddItem(o); }
private:
vtkLightCollection(const vtkLightCollection&) = delete;
void operator=(const vtkLightCollection&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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