Program Listing for File polygon.h
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#ifndef POLYGON_H_
#define 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_ */