Program Listing for File polygon.h

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#ifndef SWRI_GEOMETRY_UTIL_POLYGON_H_
#define SWRI_GEOMETRY_UTIL_POLYGON_H_

#include <sstream>

#ifndef DEG_TO_RAD
#define DEG_TO_RAD 0.0174532925
#endif

namespace swri_geometry_util
{
  //structure for defining the vertices of a polygon
  typedef struct
  {
    //vertices
    double *x;
    double *y;
  }PolygonD;

  typedef struct
  {
    //vertex
    double x;
    double y;
  }Vertex;

  class Polygon{
  public:

    Polygon();
    Polygon(const Polygon & other);
    Polygon & operator= (const Polygon & other);

    Polygon(double Xs[], double Ys[], int numVertx);

    bool VertexInPolygon(Vertex vertex);

    double* GetXVerticies();

    double* GetYVerticies();

    double GetXVerticie(int num);

    double GetYVerticie(int num);

    int GetNumVerticies();

    bool LineOverlapsPolygon(Vertex start, Vertex end);

    ~Polygon();

  private:

    Vertex FindLineIntersectLine(Vertex start1, Vertex end1, Vertex start2,
        Vertex end2);

    PolygonD _shape;  //list of polygon vertices
    int _nvert;   //number of vertices in this polygon
  };
}  // end namespace swri_geometry_util
#endif /* POLYGON_H_ */