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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPropCollection.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 vtkPropCollection
* @brief an ordered list of Props
*
* vtkPropCollection represents and provides methods to manipulate a list of
* Props (i.e., vtkProp and subclasses). The list is ordered and duplicate
* entries are not prevented.
*
* @sa
* vtkProp vtkCollection
*/
#ifndef vtkPropCollection_h
#define vtkPropCollection_h
#include "vtkCollection.h"
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkProp.h" // Needed for inline methods
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGCORE_EXPORT vtkPropCollection : public vtkCollection
{
public:
static vtkPropCollection* New();
vtkTypeMacro(vtkPropCollection, vtkCollection);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Add a Prop to the bottom of the list.
*/
void AddItem(vtkProp* a);
/**
* Get the next Prop in the list.
*/
vtkProp* GetNextProp();
/**
* Get the last Prop in the list.
*/
vtkProp* GetLastProp();
/**
* Get the number of paths contained in this list. (Recall that a
* vtkProp can consist of multiple parts.) Used in picking and other
* activities to get the parts of composite entities like vtkAssembly
* or vtkPropAssembly.
*/
int GetNumberOfPaths();
/**
* Reentrant safe way to get an object in a collection. Just pass the
* same cookie back and forth.
*/
vtkProp* GetNextProp(vtkCollectionSimpleIterator& cookie)
{
return static_cast<vtkProp*>(this->GetNextItemAsObject(cookie));
}
protected:
vtkPropCollection() = default;
~vtkPropCollection() override = default;
private:
// hide the standard AddItem from the user and the compiler.
void AddItem(vtkObject* o) { this->vtkCollection::AddItem(o); }
private:
vtkPropCollection(const vtkPropCollection&) = delete;
void operator=(const vtkPropCollection&) = delete;
};
inline void vtkPropCollection::AddItem(vtkProp* a)
{
this->vtkCollection::AddItem(a);
}
inline vtkProp* vtkPropCollection::GetNextProp()
{
return static_cast<vtkProp*>(this->GetNextItemAsObject());
}
inline vtkProp* vtkPropCollection::GetLastProp()
{
if (this->Bottom == nullptr)
{
return nullptr;
}
else
{
return static_cast<vtkProp*>(this->Bottom->Item);
}
}
VTK_ABI_NAMESPACE_END
#endif
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