itkGeodesicActiveContourLevelSetImageFilter.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 itkGeodesicActiveContourLevelSetImageFilter_h
#define itkGeodesicActiveContourLevelSetImageFilter_h

#include "itkSegmentationLevelSetImageFilter.h"
#include "itkGeodesicActiveContourLevelSetFunction.h"

namespace itk
{
template< typename TInputImage,
          typename TFeatureImage,
          typename TOutputPixelType = float >
class GeodesicActiveContourLevelSetImageFilter:
  public SegmentationLevelSetImageFilter< TInputImage, TFeatureImage,
                                          TOutputPixelType >
{
public:
  typedef GeodesicActiveContourLevelSetImageFilter Self;
  typedef SegmentationLevelSetImageFilter< TInputImage, TFeatureImage,
                                           TOutputPixelType > Superclass;

  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  typedef typename Superclass::ValueType        ValueType;
  typedef typename Superclass::OutputImageType  OutputImageType;
  typedef typename Superclass::FeatureImageType FeatureImageType;

  typedef GeodesicActiveContourLevelSetFunction< OutputImageType,
                                                 FeatureImageType > GeodesicActiveContourFunctionType;
  typedef typename GeodesicActiveContourFunctionType::Pointer GeodesicActiveContourFunctionPointer;

  itkTypeMacro(GeodesicActiveContourLevelSetImageFilter, SegmentationLevelSetImageFilter);

  itkNewMacro(Self);

  void SetDerivativeSigma(float value)
  {
    if ( Math::NotExactlyEquals(value, m_GeodesicActiveContourFunction->GetDerivativeSigma()) )
      {
      m_GeodesicActiveContourFunction->SetDerivativeSigma(value);
      this->Modified();
      }
  }

  float GetDerivativeSigma() const
  { return m_GeodesicActiveContourFunction->GetDerivativeSigma(); }

protected:
  ~GeodesicActiveContourLevelSetImageFilter() {}
  GeodesicActiveContourLevelSetImageFilter();

  virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;

  GeodesicActiveContourLevelSetImageFilter(const Self &) ITK_DELETE_FUNCTION;
  void operator=(const Self &) ITK_DELETE_FUNCTION;

  void GenerateData() ITK_OVERRIDE;

private:
  GeodesicActiveContourFunctionPointer m_GeodesicActiveContourFunction;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGeodesicActiveContourLevelSetImageFilter.hxx"
#include "itkMath.h"
#endif

#endif