#ifdef _USE_ITK_

#include "bbtkUserBlackBox.h"
#include "itkExtractImageFilter.h"
#include "bbitkImage.h"
#include "bbitkImageRegion.h"

namespace bbitk
{

  
  template <class T>
  class /*BBTK_EXPORT*/ ExtractImageFilter
    : 
    public bbtk::UserBlackBox,
    public itk::ExtractImageFilter<T,T>
  {
    BBTK_USER_BLACK_BOX_INTERFACE(ExtractImageFilter,bbtk::UserBlackBox);
    typedef itk::ExtractImageFilter<T,T> itkParent;

    BBTK_DECLARE_ITK_INPUT(itkParent,In,const T*);
    BBTK_DECLARE_ITK_PARAM(itkParent,ExtractionRegion,typename T::RegionType);
    BBTK_DECLARE_ITK_OUTPUT(itkParent,Out,T*);
    BBTK_PROCESS(itkParent::Update);
    
    void bbDelete() { itkParent::UnRegister(); }
  };


  BBTK_BEGIN_DESCRIBE_TEMPLATE_BLACK_BOX(ExtractImageFilter);
  BBTK_NAME("ExtractImageFilter<"+bbtk::TypeName<T>()+">");
  BBTK_AUTHOR("laurent.guigues@creatis.insa-lyon.fr");
  BBTK_DESCRIPTION("Decrease the image size by cropping the image to the selected region bounds (bbification of itk::ExtractImageFilter)");
  BBTK_TEMPLATE_INPUT(ExtractImageFilter,In,"Input image",const T*);
  BBTK_TEMPLATE_INPUT(ExtractImageFilter,ExtractionRegion,"Extraction region",typename T::RegionType);
  BBTK_TEMPLATE_OUTPUT(ExtractImageFilter,Out,"Output image",T*);
  BBTK_END_DESCRIBE_TEMPLATE_BLACK_BOX(ExtractImageFilter);
  
  //===================================================
  // Generic "untemplatized" filter
  //===================================================
  class /*BBTK_EXPORT*/ ExtractImageFilterGeneric
    : public bbtk::UserBlackBox
  {
    BBTK_USER_BLACK_BOX_INTERFACE(ExtractImageFilterGeneric,
				  bbtk::UserBlackBox);
    BBTK_DECLARE_INPUT(In,anyImagePointer);
    BBTK_DECLARE_INPUT(Region,anyImageRegion);
    BBTK_DECLARE_OUTPUT(Out,anyImagePointer);
    BBTK_PROCESS(ProcessSwitch);
  private :
    inline void ProcessSwitch();
    template <class T> void Process();
  };
  
  BBTK_BEGIN_DESCRIBE_BLACK_BOX(ExtractImageFilterGeneric,bbtk::UserBlackBox);
  BBTK_NAME("ExtractImageFilter");
  BBTK_AUTHOR("laurent.guigues@creatis.insa-lyon.fr");
  BBTK_DESCRIPTION("Decrease the image size by cropping the image to the selected region bounds (bbification of itk::ExtractImageFilter)");
  BBTK_INPUT(ExtractImageFilterGeneric,In,"Input image",anyImagePointer);
  BBTK_INPUT(ExtractImageFilterGeneric,Region,"Extraction region",anyImageRegion);
  BBTK_OUTPUT(ExtractImageFilterGeneric,Out,"Output image",anyImagePointer);
  BBTK_END_DESCRIBE_BLACK_BOX(ExtractImageFilterGeneric);
  void ExtractImageFilterGeneric::ProcessSwitch()
  {
     BBTK_TEMPLATE_ITK_IMAGE_SWITCH(bbGetInputIn().type(), this->Process);
  }

  template <class T>
  void ExtractImageFilterGeneric::Process()
  {
    bbtkDebugMessageInc("Core",9,
			"bbitk::ExtractImageFilterGeneric::Process<"
			<<bbtk::TypeName<T>()<<">()"<<std::endl);
    typedef T ImageType;
    typedef ExtractImageFilter<ImageType> FilterType;
    FilterType* f = FilterType::bbNew("Temp");
    f->bbSetInputIn( this->bbGetInputIn().unsafe_get<T*>() );
    f->bbSetInputExtractionRegion ( this->bbGetInputRegion().get<typename T::RegionType>() );
    f->bbExecute();
    f->bbGetOutputOut()->Register();
    this->bbSetOutputOut( f->bbGetOutputOut() );
    f->bbDelete();

    bbtkDebugDecTab("Core",9);
  }

}
// EO namespace bbitk

#endif