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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageSliceCollection.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 vtkImageSliceCollection
* @brief a sorted list of image slice objects
*
* vtkImageSliceCollection is a vtkPropCollection that maintains
* a list of vtkImageSlice objects that are sorted by LayerNumber.
* This allows the images to be rendered in the correct order.
* @sa
* vtkImageSlice vtkImageAssembly
*/
#ifndef vtkImageSliceCollection_h
#define vtkImageSliceCollection_h
#include "vtkImageSlice.h" // to allow inline static-cast
#include "vtkPropCollection.h"
#include "vtkRenderingImageModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGIMAGE_EXPORT vtkImageSliceCollection : public vtkPropCollection
{
public:
static vtkImageSliceCollection* New();
vtkTypeMacro(vtkImageSliceCollection, vtkPropCollection);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Sorts the vtkImageSliceCollection by layer number. Smaller layer
* numbers are first. Layer numbers can be any integer value. Items
* with the same layer number will be kept in the same relative order
* as before the sort.
*/
void Sort();
/**
* Add an image to the list. The new image is inserted in the list
* according to its layer number.
*/
void AddItem(vtkImageSlice* a);
/**
* Standard Collection methods. You must call InitTraversal
* before calling GetNextImage. If possible, you should use the
* GetNextImage method that takes a collection iterator instead.
*/
vtkImageSlice* GetNextImage();
/**
* Reentrant safe way to get an object in a collection.
*/
vtkImageSlice* GetNextImage(vtkCollectionSimpleIterator& cookie);
/**
* Access routine provided for compatibility with previous
* versions of VTK. Please use the GetNextImage() variant
* where possible.
*/
vtkImageSlice* GetNextItem() { return this->GetNextImage(); }
protected:
vtkImageSliceCollection() = default;
~vtkImageSliceCollection() override;
void DeleteElement(vtkCollectionElement*) override;
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); }
private:
vtkImageSliceCollection(const vtkImageSliceCollection&) = delete;
void operator=(const vtkImageSliceCollection&) = delete;
};
inline vtkImageSlice* vtkImageSliceCollection::GetNextImage()
{
return static_cast<vtkImageSlice*>(this->GetNextItemAsObject());
}
inline vtkImageSlice* vtkImageSliceCollection::GetNextImage(vtkCollectionSimpleIterator& cookie)
{
return static_cast<vtkImageSlice*>(this->GetNextItemAsObject(cookie));
}
VTK_ABI_NAMESPACE_END
#endif
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