vtkImageIterator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkImageIterator_h
#define vtkImageIterator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkSetGet.h"                // For VTK_FUTURE_CONST
#include "vtkSystemIncludes.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkImageData;
 
template <class DType>
class VTKCOMMONDATAMODEL_EXPORT vtkImageIterator
{
public:
  typedef DType* SpanIterator;

  vtkImageIterator();

  vtkImageIterator(vtkImageData* id, VTK_FUTURE_CONST int ext[6]);

  void Initialize(vtkImageData* id, VTK_FUTURE_CONST int ext[6]);

  void NextSpan();

  SpanIterator BeginSpan() { return this->Pointer; }

  SpanIterator EndSpan() { return this->SpanEndPointer; }

  vtkTypeBool IsAtEnd() { return (this->Pointer >= this->EndPointer); }
 
protected:
  DType* Pointer;
  DType* SpanEndPointer;
  DType* SliceEndPointer;
  DType* EndPointer;
  vtkIdType Increments[3];
  vtkIdType ContinuousIncrements[3];
};
 
#ifndef vtkImageIterator_cxx
#ifdef _MSC_VER
#pragma warning(push)
// The following is needed when the vtkImageIterator is declared
// dllexport and is used from another class in vtkCommonCore
#pragma warning(disable : 4910) // extern and dllexport incompatible
#endif
vtkExternTemplateMacro(extern template class VTKCOMMONDATAMODEL_EXPORT vtkImageIterator);
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#endif
 
VTK_ABI_NAMESPACE_END
#endif
// VTK-HeaderTest-Exclude: vtkImageIterator.h