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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* 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 itkMeshFileReaderBase_h
#define itkMeshFileReaderBase_h
#include "itkMeshSource.h"
#include "itkMacro.h"
#include "itkMeshFileReader.h" // for MeshFileReaderException
namespace itk
{
/** \class MeshFileReaderBase
*
* \brief Base class for mesh readers
*
* A base class for classes that read a file containing
* a mesh or a pointset.
*/
template <class TOutputMesh>
class ITK_TEMPLATE_EXPORT MeshFileReaderBase : public MeshSource<TOutputMesh>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(MeshFileReaderBase);
/** Standard class typedefs. */
using Self = MeshFileReaderBase;
using Superclass = MeshSource<TOutputMesh>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(MeshFileReaderBase, MeshSource);
/** Some convenient typedefs. */
using typename Superclass::DataObjectPointer;
using typename Superclass::OutputMeshType;
using typename Superclass::OutputMeshPointer;
/** Set/Get the filename */
itkGetStringMacro(FileName);
itkSetStringMacro(FileName);
/** Prepare the allocation of the output mesh during the first back
* propagation of the pipeline.
*/
void
GenerateOutputInformation() override;
/** Give the reader a chance to indicate that it will produce more
* output than it was requested to produce. MeshFileReader cannot
* currently read a portion of a mesh, so the MeshFileReader must
* enlarge the RequestedRegion to the size of the mesh on disk.
*/
void
EnlargeOutputRequestedRegion(DataObject * output) override;
protected:
MeshFileReaderBase() = default;
~MeshFileReaderBase() override = default;
/** Test whether the given filename exist and it is readable,
* this is intended to be called before attempting to use
* subclasses for actually reading the file. If the file
* doesn't exist or it is not readable, and exception with an
* appropriate message will be thrown.
*/
virtual void
TestFileExistanceAndReadability();
std::string m_FileName{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkMeshFileReaderBase.hxx"
#endif
#endif
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