polyzug.h

#ifndef KEKALUDA_H_INCLUDED
#define KEKALUDA_H_INCLUDED

#define MAX_NAME_LENGTH 100
#define MAX_LINE_LENGTH 200

enum Ending_e {
     OPEN, //offene Kurve
     CLOSED //geschlossene Kurve
};

struct Point_s {
   double x_coord;
   double y_coord;
};
typedef struct Point_s Point_t;

struct Trajectory_s {
    char name [MAX_NAME_LENGTH];   //IME KRIVE
    struct Point_s points[MAX_LINE_LENGTH];  //POLJE SA TACKAMA
    enum Ending_e ending; //Vrsta krive
    long pointCount, maxPoints; //Broj tacaka
                                //Maksimalan broj tacaka
};
typedef struct Trajectory_s Trajectory_t;

Point_t createPoint (double x, double y);
void createPolygonline(Trajectory_t *line, long pointCount);
void generateTable(Trajectory_t *line);
double calculateHeight(Trajectory_t *line);
double distanceEuklid(Point_t pkt1, Point_t pkt2);

long roundVal(double d);
void plotPolygon(Trajectory_t *line, long Nx, long Ny);
long saveLine(Trajectory_t *line);
Trajectory_t loadLine(char *filename);

#endif // KEKALUDA_H_INCLUDED