SetValueIterator.h

 
#pragma once

 
#if defined(SetValueIterator_RECURSES)
#error Recursive header files inclusion detected in SetValueIterator.h
#else // defined(SetValueIterator_RECURSES)
#define SetValueIterator_RECURSES
 
#if !defined SetValueIterator_h
#define SetValueIterator_h

// Inclusions
#include "DGtal/base/Common.h"
#include "DGtal/kernel/domains/CDomain.h"
#include "DGtal/images/CTrivialImage.h"
 
#include <iostream>

 
namespace DGtal
{

  // template class SetValueIterator
  template <typename TImage, typename TIteratorOnPts
            = typename TImage::Domain::ConstIterator>
  class SetValueIterator
  {
    // ----------------------- Types definitions ------------------------------
  public:
 
    using iterator_category = std::output_iterator_tag;
    using value_type = void;
    using difference_type = void;
    using pointer = void;
    using reference = void;
 
    typedef TImage Image;
    BOOST_CONCEPT_ASSERT(( concepts::CTrivialImage<Image> ));
 
 
    // ----------------------- Standard services ------------------------------
  public:
    SetValueIterator(const TIteratorOnPts& aItOnPts, Image &aImg)
: myImg(&aImg), myItOnPts(aItOnPts) {}

    SetValueIterator(Image &aImg)
: myImg(&aImg), myItOnPts(myImg->domain().begin()) {}

    SetValueIterator ( const SetValueIterator & other )
: myImg(other.myImg), myItOnPts(other.myItOnPts) {}

    ~SetValueIterator() {}
 
    // ----------------------- Interface --------------------------------------
  public:

    SetValueIterator& operator=(const typename Image::Value& aValue)
      {
        myImg->setValue( *myItOnPts, aValue );
        return *this;
      }

    SetValueIterator& operator*() { return *this; }

    SetValueIterator& operator++() { ++myItOnPts; return *this; }

    SetValueIterator operator++(int)
    {
      SetValueIterator tmp = *this;
      ++myItOnPts;
      return tmp;
    }
 
 
    // ------------------------- Private Data --------------------------------
  private:
 
    // ------------------------- Hidden services ------------------------------
  protected:
 
 
  private:
 
 
    // ------------------------- Internals ------------------------------------
  private:

    Image* myImg;

    TIteratorOnPts myItOnPts;
 
  }; // end of class SetValueIterator
 
}
// Includes inline functions.
//#include "DGtal/images/SetValueIterator.ih"
 
//
 
#endif // !defined SetValueIterator_h
 
#undef SetValueIterator_RECURSES
#endif // else defined(SetValueIterator_RECURSES)