vtkActorCollection.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkActorCollection_h
#define vtkActorCollection_h
 
#include "vtkActor.h" // For inline methods
#include "vtkPropCollection.h"
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkWrappingHints.h"       // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkProperty;
 
class VTKRENDERINGCORE_EXPORT VTK_MARSHALAUTO vtkActorCollection : public vtkPropCollection
{
public:
  static vtkActorCollection* New();
  vtkTypeMacro(vtkActorCollection, vtkPropCollection);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void AddItem(vtkActor* a);

  vtkActor* GetNextActor();

  vtkActor* GetLastActor();


  vtkActor* GetNextItem();
  vtkActor* GetLastItem();

  void ApplyProperties(vtkProperty* p);

  vtkActor* GetNextActor(vtkCollectionSimpleIterator& cookie)
  {
    return static_cast<vtkActor*>(this->GetNextItemAsObject(cookie));
  }
 
protected:
  vtkActorCollection() = default;
  ~vtkActorCollection() override = default;
 
private:
  // hide the standard AddItem from the user and the compiler.
  void AddItem(vtkObject* o) { this->vtkCollection::AddItem(o); }
  void AddItem(vtkProp* o) { this->vtkPropCollection::AddItem(o); }
 
  vtkActorCollection(const vtkActorCollection&) = delete;
  void operator=(const vtkActorCollection&) = delete;
};
 
inline void vtkActorCollection::AddItem(vtkActor* a)
{
  this->vtkCollection::AddItem(a);
}
 
inline vtkActor* vtkActorCollection::GetNextActor()
{
  return static_cast<vtkActor*>(this->GetNextItemAsObject());
}
 
inline vtkActor* vtkActorCollection::GetLastActor()
{
  int numItems = this->GetNumberOfItems();
  if (numItems == 0)
  {
    return nullptr;
  }
  else
  {
    return static_cast<vtkActor*>(this->GetItemAsObject(numItems - 1));
  }
}
 
inline vtkActor* vtkActorCollection::GetNextItem()
{
  return this->GetNextActor();
}
 
inline vtkActor* vtkActorCollection::GetLastItem()
{
  return this->GetLastActor();
}
 
VTK_ABI_NAMESPACE_END
#endif