IntervalForegroundPredicate.h

#pragma once

#if defined(IntervalForegroundPredicate_RECURSES)
#error Recursive header files inclusion detected in IntervalForegroundPredicate.h
#else // defined(IntervalForegroundPredicate_RECURSES)

#define IntervalForegroundPredicate_RECURSES

#if !defined IntervalForegroundPredicate_h

#define IntervalForegroundPredicate_h

// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/images/CConstImage.h"
#include "DGtal/base/ConstAlias.h"

// @since 0.8 In DGtal::functors
namespace DGtal {
  namespace functors {

  template <typename Image>
  class IntervalForegroundPredicate
  {
  public:
    BOOST_CONCEPT_ASSERT(( concepts::CConstImage<Image> ));
    
    typedef typename Image::Value Value;
    typedef typename Image::Point Point; 

    IntervalForegroundPredicate(ConstAlias<Image> aImage,
                                const Value minVal, 
                                const Value maxVal): 
      myImage(&aImage), myMaxVal(maxVal), myMinVal(minVal) {};
    
    bool operator()(const typename Image::Point &aPoint) const
    {
      return ((*myImage)(aPoint) > myMinVal) && ((*myImage)(aPoint) <= myMaxVal);
    }
    
    bool operator()(const typename Image::ConstRange::ConstIterator &it) const
    {
      return ((*it) > myMinVal) && ((*it) <= myMaxVal);
    }

  
  private:
    const Image* myImage;
    Value myMaxVal;
    Value myMinVal;
    
  protected:
    IntervalForegroundPredicate();
    
  };

} // namespace functors
} // namespace DGtal

//                                                                           //

#endif // !defined IntervalForegroundPredicate_h

#undef IntervalForegroundPredicate_RECURSES
#endif // else defined(IntervalForegroundPredicate_RECURSES)