text: /*
   * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
   *
   * This file is part of Orfeo Toolbox
   *
   *     https://www.orfeo-toolbox.org/
   *
   * 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
   *
   * 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 itkWaveletImageFilter_h
  #define itkWaveletImageFilter_h
  
  #include "itkWaveletOperator.h"
  #include "itkWaveletFilterBank.h"
  #include "itkWaveletTransform.h"
  #include "itkWaveletsBandsListToWaveletsSynopsisImageFilter.h"
  
  namespace itk {
  
  /**
   * \class WaveletImageFilter
   * This filter performs wavelet forward transform.
   * It takes three template arguments: Input, Output and WaveletOperator
   * This filter is not streamed.
   *
   * \ingroup ITKWavelet
   * \sa WaveletInverseImageFilter
   * \sa WaveletsBandsListToWaveletsSynopsisImageFilter
   * \sa WaveletGenerator
   */
  template < class TInputImage,
             class TOutputImage,
             Wavelet::Wavelet TMotherWaveletOperator >
  class WaveletImageFilter :
    public itk::ImageToImageFilter< TInputImage, TOutputImage >
  {
  public:
    /** Standard class typedefs. */
    typedef TInputImage                                                                InputImageType;
    typedef TOutputImage                                                               OutputImageType;
  
    itkStaticConstMacro( ImageDimension,            unsigned int,                      InputImageType::ImageDimension );
    itkStaticConstMacro( MotherWaveletOperator,     short,     TMotherWaveletOperator );
    itkStaticConstMacro( DirectionOfTransformation, short,     itk::Wavelet::FORWARD );
  
    typedef WaveletImageFilter<InputImageType,OutputImageType, TMotherWaveletOperator>  Self;
    typedef itk::ImageToImageFilter<InputImageType, OutputImageType>                    Superclass;
    typedef itk::SmartPointer<Self>                                                     Pointer;
    typedef itk::SmartPointer<const Self>                                               ConstPointer;
  
    typedef typename InputImageType::PixelType                                          InputPixelType;
  
    typedef itk::WaveletOperator< TMotherWaveletOperator, itk::Wavelet::FORWARD, InputPixelType, ImageDimension >
      WaveletOperatorType;
    typedef itk::WaveletFilterBank< InputImageType, InputImageType, WaveletOperatorType, itk::Wavelet::FORWARD >
      FilterBankType;
    typedef itk::WaveletTransform< InputImageType, InputImageType, FilterBankType, itk::Wavelet::FORWARD >
      WaveletTransformFilterType;
    typedef typename WaveletTransformFilterType::Pointer
      WaveletTransformFilterPointerType;
  
    typedef typename WaveletTransformFilterType::OutputImageListType
      WaveletTransformFilterOutputImageListType;
    typedef itk::WaveletsBandsListToWaveletsSynopsisImageFilter<WaveletTransformFilterOutputImageListType, OutputImageType>
      WaveletBandsListToWaveletsSynopsisImageFilterType;
    typedef typename WaveletBandsListToWaveletsSynopsisImageFilterType::Pointer
      WaveletBandsListToWaveletsSynopsisImageFilterPointerType;
  
  
    /** Method for creation through the object factory. */
    itkNewMacro(Self);
  
    /** Run-time type information (and related methods). */
    itkTypeMacro(WaveletImageFilter, ImageToImageFilter);
  
    itkGetMacro(NumberOfDecompositions,unsigned int);
    itkSetMacro(NumberOfDecompositions,unsigned int);
  
  protected:
    WaveletImageFilter();
    virtual ~WaveletImageFilter();
  
    virtual void GenerateInputRequestedRegion();
  
    virtual void GenerateData();
  
    virtual void PrintSelf(std::ostream& os, itk::Indent indent) const;
  
  private:
    WaveletImageFilter(const Self&); //purposely not implemented
    void operator=(const Self&); //purposely not implemented
  
    WaveletTransformFilterPointerType m_WaveletTransform;
    WaveletBandsListToWaveletsSynopsisImageFilterPointerType m_WaveletBandsListToWaveletsSynopsis;
    unsigned int m_NumberOfDecompositions;
  };
  
  }
  
  #ifndef ITK_MANUAL_INSTANTIATION
  #include "itkWaveletImageFilter.txx"
  #endif
  
  #endif
  