itkProgressTransformer.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 itkProgressTransformer_h
#define itkProgressTransformer_h

#include "itkProcessObject.h"
#include "itkCommand.h"

namespace itk
{
class ITKCommon_EXPORT ProgressTransformer
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN( 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;
};
} // end namespace itk
#endif // itkProgressTransformer_h