knnGraphRangeIterator.h

/*
 This Source Code Form is subject to the terms of the Mozilla Public
 License, v. 2.0. If a copy of the MPL was not distributed with this
 file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
 
#pragma once
 
namespace Ponca {
 
template <typename Traits>
class KnnGraphRangeQuery;
 
template <typename Traits>
class KnnGraphRangeIterator
{
protected:
    friend class KnnGraphRangeQuery<Traits>;
 
public:
    inline KnnGraphRangeIterator(KnnGraphRangeQuery<Traits>* query, int index = -1) : m_query(query), m_index(index) {}
 
public:
    bool operator != (const KnnGraphRangeIterator& other) const{
        return m_index != other.m_index;
    }
 
    void operator ++ (){
        m_query->advance(*this);
    }
 
    int  operator *  () const{
        return m_index;
    }
 
protected:
    KnnGraphRangeQuery<Traits>* m_query {nullptr};
    int m_index {-1};
};
 
} // namespace Ponca