snapable.h

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#pragma once

#include <vector>
#include "cad/geometry/geocoordinate.h"
#include "cad/vo/entitycoordinate.h"
#include "snapconstrain.h"

namespace lc {
    class Snapable {
        public:
            virtual std::vector<lc::EntityCoordinate> snapPoints(const geo::Coordinate& coord, const SimpleSnapConstrain &simpleSnapConstrain, double minDistanceToSnap, int maxNumberOfSnapPoints) const = 0;

            virtual geo::Coordinate nearestPointOnPath(const geo::Coordinate& coord) const = 0;


            static void remove_ifDistanceGreaterThen(std::vector<EntityCoordinate> &points, const geo::Coordinate &reference, const double distance) {
                points.erase(
                        std::remove_if(points.begin(), points.end(),
                                       [reference, distance](const EntityCoordinate &entity) {
                                           return entity.coordinate().distanceTo(reference) > distance;

                                       }),
                        points.end());
            }

            static void snapPointsCleanup(std::vector<EntityCoordinate> &points, const geo::Coordinate &reference, const unsigned int maxNumberOfSnapPoints, const double minDistanceToSnap) {
                // Remove point's further away then given by minDistanceToSnap
                Snapable::remove_ifDistanceGreaterThen(points, reference, minDistanceToSnap);
                // Sort in order of distance
                std::sort(points.begin(), points.end(), EntityCoordinateSorter(reference));
                // Only get maxNumberOfSnapPoints
                if (points.size() > maxNumberOfSnapPoints) {
                    points.erase(points.begin() + maxNumberOfSnapPoints, points.end());
                }
            }
    };

    DECLARE_SHORT_SHARED_PTR(Snapable)
}

// SNAPABLE_H