itkProgressTransformer.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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 itkProgressTransformer_h
#define itkProgressTransformer_h
 
#include "itkProcessObject.h"
#include "itkCommand.h"
 
namespace itk
{
class ITKCommon_EXPORT ProgressTransformer
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ProgressTransformer);
 
  ProgressTransformer(float start, float end, ProcessObject * targetFilter);
 
  ProcessObject *
  GetProcessObject()
  {
    return m_Dummy.GetPointer();
  }
 
  void
  UpdateProgress();
 
  ~ProgressTransformer();
 
private:
  float m_Start;
  float m_End;
 
  ProcessObject * m_TargetFilter;
 
  ProcessObject::Pointer m_Dummy;
 
  using CommandType = SimpleMemberCommand<ProgressTransformer>;
  CommandType::Pointer m_ProgressCommand;
 
  unsigned long m_ProgressTag{ 0 };
};
} // end namespace itk
#endif // itkProgressTransformer_h