intersection.hpp

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/* 
 * This file is part of PLaSK (https://plask.app) by Photonics Group at TUL
 * Copyright (c) 2022 Lodz University of Technology
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */
#ifndef PLASK__GEOMETRY_INTERSECTION_H
#define PLASK__GEOMETRY_INTERSECTION_H
 
#include "transform.hpp"
 
namespace plask {
 
template <int dim> struct PLASK_API Intersection : public GeometryObjectTransform<dim> {
    static const char* NAME;
 
    std::string getTypeName() const override { return NAME; }
 
    typedef typename GeometryObjectTransform<dim>::ChildType ChildType;
 
    typedef typename GeometryObjectTransform<dim>::DVec DVec;
 
    typedef typename GeometryObjectTransform<dim>::Box Box;
 
    using GeometryObjectTransform<dim>::getChild;
 
    shared_ptr<ChildType> envelope;
 
    shared_ptr<ChildType> getEnvelope() const { return envelope; }
 
    void setEnvelope(shared_ptr<ChildType> clipShape) {
        if (this->envelope == clipShape) return;
        this->envelope = clipShape;
        this->fireChanged(GeometryObject::Event::EVENT_RESIZE);
    }
 
    // Intersection(const Intersection<dim>& tocpy) = default;
 
    explicit Intersection(shared_ptr<GeometryObjectD<dim>> child = shared_ptr<GeometryObjectD<dim>>(),
                          shared_ptr<GeometryObjectD<dim>> clipShape = shared_ptr<GeometryObjectD<dim>>())
        : GeometryObjectTransform<dim>(child), envelope(clipShape) {}
 
    explicit Intersection(GeometryObjectD<dim>& child,
                          shared_ptr<GeometryObjectD<dim>> clipShape = shared_ptr<GeometryObjectD<dim>>())
        : GeometryObjectTransform<dim>(child), envelope(clipShape) {}
 
    shared_ptr<Material> getMaterial(const DVec& p) const override;
 
    bool contains(const DVec& p) const override;
 
    using GeometryObjectTransform<dim>::getPathsTo;
 
    GeometryObject::Subtree getPathsAt(const DVec& point, bool all = false) const override;
 
    Box fromChildCoords(const typename ChildType::Box& child_bbox) const override;
 
    void getBoundingBoxesToVec(const GeometryObject::Predicate& predicate,
                               std::vector<Box>& dest,
                               const PathHints* path = 0) const override;
 
    void getPositionsToVec(const GeometryObject::Predicate& predicate,
                           std::vector<DVec>& dest,
                           const PathHints* path = 0) const override;
 
    shared_ptr<Intersection<dim>> copyShallow() const {
        return plask::make_shared<Intersection<dim>>(getChild(), envelope);
    }
 
    shared_ptr<GeometryObject> shallowCopy() const override;
 
    shared_ptr<Intersection<dim>> copyShallow(shared_ptr<GeometryObjectD<dim>> clipShape) const {
        return plask::make_shared<Intersection<dim>>(getChild(), clipShape);
    }
 
    void addPointsAlongToSet(std::set<double>& points,
                             Primitive<3>::Direction direction,
                             unsigned max_steps,
                             double min_step_size) const override;
 
    void addLineSegmentsToSet(std::set<typename GeometryObjectD<dim>::LineSegment>& segments,
                              unsigned max_steps,
                              double min_step_size) const override;
 
    inline bool inEnvelope(const typename Intersection<dim>::DVec& p) const {
        return !envelope || envelope->contains(p);
    }
 
  protected:
    void writeXMLChildren(XMLWriter::Element& dest_xml_object,
                          GeometryObject::WriteXMLCallback& write_cb,
                          const AxisNames& axes) const override;
};
 
PLASK_API_EXTERN_TEMPLATE_STRUCT(Intersection<2>)
PLASK_API_EXTERN_TEMPLATE_STRUCT(Intersection<3>)
 
}  // namespace plask
 
#endif  // PLASK__GEOMETRY_INTERSECTION_H