itkMeshFileWriter.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 itkMeshFileWriter_h
#define itkMeshFileWriter_h

#include "itkMeshFileWriterException.h"
#include "itkProcessObject.h"
#include "itkMeshIOBase.h"

namespace itk
{

template< typename TInputMesh >
class ITK_TEMPLATE_EXPORT MeshFileWriter: public ProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(MeshFileWriter);

  using Self = MeshFileWriter;
  using Superclass = ProcessObject;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(MeshFileWriter, ProcessObject);

  using InputMeshType = TInputMesh;
  using InputMeshPointer = typename InputMeshType::Pointer;
  using InputMeshRegionType = typename InputMeshType::RegionType;
  using InputMeshPixelType = typename InputMeshType::PixelType;
  using InputMeshCellType = typename InputMeshType::CellType;
  using SizeValueType = typename MeshIOBase::SizeValueType;

  using Superclass::SetInput;
  void  SetInput(const InputMeshType *input);

  const InputMeshType * GetInput();

  const InputMeshType * GetInput(unsigned int idx);

  itkSetStringMacro(FileName);
  itkGetStringMacro(FileName);

  void SetMeshIO(MeshIOBase *io)
  {
    if ( this->m_MeshIO != io )
      {
      this->Modified();
      this->m_MeshIO = io;
      }
    m_FactorySpecifiedMeshIO = false;
    m_UserSpecifiedMeshIO = true;
  }
  itkGetModifiableObjectMacro(MeshIO, MeshIOBase);

  void SetFileTypeAsASCII(){m_FileTypeIsBINARY = false; }
  void SetFileTypeAsBINARY(){m_FileTypeIsBINARY = true; }

  virtual void Write();

  void Update() override
  {
    this->Write();
  }

  itkSetMacro(UseCompression, bool);
  itkGetConstReferenceMacro(UseCompression, bool);
  itkBooleanMacro(UseCompression);

protected:
  MeshFileWriter();
  ~MeshFileWriter() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  template< typename Output >
  void CopyPointsToBuffer(Output *data);

  template< typename Output >
  void CopyCellsToBuffer(Output *data);

  template< typename Output >
  void CopyPointDataToBuffer(Output *data);

  template< typename Output >
  void CopyCellDataToBuffer(Output *data);

  void WritePoints();

  void WriteCells();

  void WritePointData();

  void WriteCellData();

private:
  std::string         m_FileName;
  MeshIOBase::Pointer m_MeshIO;
  bool                m_UserSpecifiedMeshIO;    // track whether the MeshIO is
                                                // user specified
  bool                m_FactorySpecifiedMeshIO; // track whether the factory
                                                // mechanism set the MeshIO
  bool                m_UseCompression;
  bool                m_FileTypeIsBINARY;
};
} // end namespace itk

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

#ifdef ITK_IO_FACTORY_REGISTER_MANAGER
#include "itkMeshIOFactoryRegisterManager.h"
#endif

#endif // itkMeshFileWriter_h