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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Device/Mask/Polygon.h
//! @brief Defines class Polygon.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_DEVICE_MASK_POLYGON_H
#define BORNAGAIN_DEVICE_MASK_POLYGON_H
#include "Device/Mask/IShape2D.h"
#include <vector>
class PolygonPrivate;
//! A polygon, for use in detector masks.
//! Polygon defined by two arrays with x and y coordinates of points.
//! Sizes of arrays should coincide. If polygon is unclosed (the last point
//! doesn't repeat the first one), it will be closed automatically.
// Implemented in pimpl style (m_d points to implementation class).
// TODO: simplify, merge classes PolygonPrivate and Polygon.
class Polygon : public IShape2D {
public:
Polygon(std::vector<std::pair<double, double>> points);
Polygon(const PolygonPrivate* d);
~Polygon() override;
#ifndef SWIG
Polygon* clone() const override { return new Polygon(m_d); }
#endif // SWIG
bool contains(double x, double y) const override;
bool contains(const Bin1D& binx, const Bin1D& biny) const override;
double getArea() const;
void getPoints(std::vector<double>& xpos, std::vector<double>& ypos) const;
protected:
void print(std::ostream& ostr) const override;
private:
PolygonPrivate* m_d;
};
#endif // BORNAGAIN_DEVICE_MASK_POLYGON_H
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