SimpleThresholdForegroundPredicate.h

 
#pragma once
 
#if defined(SimpleThresholdForegroundPredicate_RECURSES)
#error Recursive header files inclusion detected in SimpleThresholdForegroundPredicate.h
#else // defined(SimpleThresholdForegroundPredicate_RECURSES)
#define SimpleThresholdForegroundPredicate_RECURSES
 
#if !defined SimpleThresholdForegroundPredicate_h
#define SimpleThresholdForegroundPredicate_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 SimpleThresholdForegroundPredicate
  {
  public:
    BOOST_CONCEPT_ASSERT(( concepts::CConstImage<Image> ));
    
    typedef typename Image::Value Value;
    typedef typename Image::Point Point;
 
    SimpleThresholdForegroundPredicate(ConstAlias<Image> aImage,
                                       const Value value):
      myImage(&aImage), myVal(value) {};
    
    bool operator()(const typename Image::Point &aPoint) const
    {
      return ((*myImage)(aPoint) > myVal);
    }
    
    bool operator()(const typename Image::Domain::ConstIterator &it) const
    {
      return ( (*myImage)(*it) > myVal);
    }
 
    bool operator()(const typename Image::ConstRange::ConstIterator &it) const
    {
      return ((*it) > myVal);
    }
    
 
  private:
    const Image *  myImage;
    Value myVal;
    
  protected:
    SimpleThresholdForegroundPredicate();
    
  };
 
 
} // namespace functors
} // namespace DGtal
 
//                                                                           //
 
#endif // !defined SimpleThresholdForegroundPredicate_h
 
#undef SimpleThresholdForegroundPredicate_RECURSES
#endif // else defined(SimpleThresholdForegroundPredicate_RECURSES)