itkSpatialObjectReader.h

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/*=========================================================================
 *
 *  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.
 *
 *=========================================================================*/
#ifndef itkSpatialObjectReader_h
#define itkSpatialObjectReader_h

#include "itkMetaSceneConverter.h"
#include "itkMetaConverterBase.h"
#include "itkGroupSpatialObject.h"
#include "itkProcessObject.h"

namespace itk
{
template< unsigned int NDimensions = 3,
          typename PixelType = unsigned char,
          typename TMeshTraits = DefaultStaticMeshTraits< PixelType, NDimensions, NDimensions >
          >
class ITK_TEMPLATE_EXPORT SpatialObjectReader:public Object
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(SpatialObjectReader);

  using Self = SpatialObjectReader;
  using Pointer = SmartPointer< Self >;
  using SpatialObjectType = SpatialObject< NDimensions >;
  using SpatialObjectPointer = typename SpatialObjectType::Pointer;

  using GroupType = GroupSpatialObject< NDimensions >;
  using GroupPointer = typename GroupType::Pointer;

  using MetaConverterBaseType = MetaConverterBase< NDimensions >;
  using MetaSceneConverterType
    = MetaSceneConverter< NDimensions, PixelType, TMeshTraits >;

  itkNewMacro(Self);

  using Superclass = Object;
  itkTypeMacro(SpatialObjectReader, Object);

  void Update();

  itkSetStringMacro(FileName);

  itkGetStringMacro(FileName);

  GroupPointer GetGroup() { return m_Group; }

  const MetaEvent * GetEvent()
  { return m_MetaToSpatialConverter->GetEvent(); }

  void SetEvent(MetaEvent *event)
  { m_MetaToSpatialConverter->SetEvent(event); }

  void RegisterMetaConverter(const char *metaTypeName,
                             const char *spatialObjectTypeName,
                             MetaConverterBaseType *converter);

protected:
  std::string m_FileName;

  SpatialObjectReader();
  ~SpatialObjectReader() override = default;

private:

  GroupPointer m_Group;

  typename MetaSceneConverterType::Pointer m_MetaToSpatialConverter;
};
} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkSpatialObjectReader.hxx"
#endif

#endif // itkSpatialObjectReader_h