text: /*=========================================================================
   *
   *  Copyright Insight Software Consortium
   *
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *         http://www.apache.org/licenses/LICENSE-2.0.txt
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *=========================================================================*/
  /*=========================================================================
   *
   *  Portions of this file are subject to the VTK Toolkit Version 3 copyright.
   *
   *  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
   *
   *  For complete copyright, license and disclaimer of warranty information
   *  please refer to the NOTICE file at the top of the ITK source tree.
   *
   *=========================================================================*/
  #ifndef itkMeshRegion_h
  #define itkMeshRegion_h
  
  #include "itkRegion.h"
  #include "itkObjectFactory.h"
  #include "itkNumericTraits.h"
  #include "itkIntTypes.h"
  #include "ITKMeshExport.h"
  
  namespace itk
  {
  /** \class MeshRegion
   * \brief A mesh region represents an unstructured region of data.
   *
   * MeshRegion is an class that represents some unstructured portion or
   * piece of a Mesh. The MeshRegion is described as piece i out of N
   * total pieces.
   *
   * \sa Region
   * \sa ImageRegion
   *
   * \ingroup MeshObjects
   * \ingroup ITKMesh
   */
  class ITKMesh_EXPORT MeshRegion:public Region
  {
  public:
    /** Standard class type aliases. */
    using Self = MeshRegion;
    using Superclass = Region;
  
    /** Standard part of all itk objects. */
    itkTypeMacro(MeshRegion, Region);
  
    /** Constructor.  MeshRegion is a lightweight object and is not reference
     * counted. */
    MeshRegion();
  
    /** Destructor.  MeshRegion is a lightweight object and is not reference
     * counted. */
    ~MeshRegion() override;
  
    /** Return the region type. Meshes are described with unstructured regions. */
    RegionType GetRegionType() const override
    { return Superclass::ITK_UNSTRUCTURED_REGION; }
  
    /** Get the number of regions. */
    SizeValueType GetNumberOfRegions() const
    { return m_NumberOfRegions; }
  
    /** Set the number of regions. */
    void SetNumberOfRegions(SizeValueType num)
    {
      if ( num >= 1 ) { m_NumberOfRegions = num; }
    }
  
    /** Get the current region. */
    SizeValueType GetRegion() const
    { return m_Region; }
  
    /** Set the number of regions. */
    void SetRegion(SizeValueType region)
    {
      if ( region >= 1 ) { m_Region = region; }
    }
  
  private:
    // The maximum number of regions possible.
    SizeValueType m_NumberOfRegions;
  
    // The specified region.
    SizeValueType m_Region;
  };
  } // end namespace itk
  
  #endif
  