utils.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_UTILS_H
#define PLASK__GEOMETRY_UTILS_H
 
#include "object.hpp"
 
namespace plask {
 
//TODO at the moment, this template is not used, consider to remove it
template <int dims>
struct PLASK_API BoundingBoxCache {
 
    typedef typename Primitive<dims>::Box BoundingBoxT;
 
private:
 
    boost::signals2::connection connection_with_object;
 
    BoundingBoxT boundingBox;
 
    GeometryObjectD<dims>* object;
 
    bool isFresh; 
 
    void connect();
 
public:
 
    const BoundingBoxT& operator()();
 
    void onObjectChanged(const GeometryObject::Event& evt);
 
    void setObject(GeometryObjectD<dims>* object);
 
    void setObject(GeometryObjectD<dims>& object) {
        setObject(&object);
    }
 
    void setObject(shared_ptr<GeometryObjectD<dims> > object) {
        setObject(*object);
    }
 
    GeometryObjectD<dims>* getObject() const {
        return object;
    }
 
    BoundingBoxCache(GeometryObjectD<dims>* object = 0): object(object), isFresh(false) {
        connect();
    }
 
    BoundingBoxCache(GeometryObjectD<dims>& object): object(&object), isFresh(false) {
        connect();
    }
 
    BoundingBoxCache(shared_ptr< GeometryObjectD<dims> > object): object(object.get()), isFresh(false) {
        connect();
    }
 
    ~BoundingBoxCache() {
        connection_with_object.disconnect();
    }
 
};
 
PLASK_API_EXTERN_TEMPLATE_STRUCT(BoundingBoxCache<2>)
PLASK_API_EXTERN_TEMPLATE_STRUCT(BoundingBoxCache<3>)
 
}   // namespace plask
 
#endif // PLASK__GEOMETRY_UTILS_H