comp20003-project02/voronoi.h

#ifndef DCEL_HEADER
#include "dcel.h"
#endif

#ifndef VORONOI_HEADER
#define VORONOI_HEADER

/* Prints bisectors to an output file */
void stage1PrintBisector(bisector_t *bisector, FILE *outputFile);

/* Prints intersections to an output file */
void stage2PrintIntersection(intersection_t *intersection, FILE *outputFile);

/* Prints the watchtower information to an output file */
void stage34PrintTowers(tower_t *tower, FILE *outputFile, double diameter);

/* Returns the face a tower is in */
int getFaceTowerIsIn(DCEL_t *dcel, tower_t *tower);

/* Adds the watchtower to the Voronoi diagram represented by the given DCEL, 
 * applying required splits and setting the watchtower as required.
 */
void incrementalVoronoi(DCEL_t *voronoi, tower_t *tower);

/* Creates a new Voronoi structure */
DCEL_t *newVoronoi(DCEL_t *voronoi, tower_t *towerA, tower_t *towerB);

/* Outputs the bisector equations from pointsFile into outputFile */
void stage1(char *pointsFileName, char *outputFileName);

/* Outputs the intersections the bisectors make with the polygon */
void stage2(char *pointsFileName, char *polygonFileName, char *outputFileName);

/* Constructs a Voronoi diagram and prints the resulting diameters */
void stage3(char *dataFileName, char *polygonFileName, char *outputFileName);

/* Same as stage3, but prints diameters in ascending order */
void stage4(char *dataFileName, char *polygonFileName, char *outputFileName);

#endif