edges.h File Reference

#include <stdbool.h>
#include <util/api.h>
#include <util/arena.h>
#include <neatogen/site.h>

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Data Structures
struct	Edge

Macros
#define	le   0
#define	re   1

Typedefs
typedef struct Edge	Edge

Functions
PRIVATE void	endpoint (Edge *, int, Site *, arena_t *)
PRIVATE void	clip_line (Edge *e)
PRIVATE Edge *	gvbisect (Site *, Site *, arena_t *)

Variables
double	pxmin
double	pxmax
double	pymin
double	pymax

Macro Definition Documentation

le

#define le   0

Definition at line 29 of file edges.h.

re

#define re   1

Definition at line 30 of file edges.h.

Typedef Documentation

Edge

typedef struct Edge Edge

Function Documentation

clip_line()

PRIVATE void clip_line

(

Edge *

e

)

Definition at line 59 of file edges.c.

References Edge::a, Edge::b, Edge::c, Site::coord, doSeg(), Edge::ep, NULL, pxmax, pxmin, pymax, pymin, s1(), Point::x, and Point::y.

Referenced by endpoint(), and voronoi().

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endpoint()

PRIVATE void endpoint	(	Edge *	e,
		int	lr,
		Site *	s,
		arena_t *	allocator
	)

Definition at line 175 of file edges.c.

References clip_line(), Edge::ep, gv_arena_free(), NULL, and re.

Referenced by voronoi().

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gvbisect()

PRIVATE Edge * gvbisect	(	Site *	s1,
		Site *	s2,
		arena_t *	allocator
	)

Definition at line 21 of file edges.c.

References ARENA_NEW, Site::coord, dx, dy, newedge(), NULL, s1(), Point::x, and Point::y.

Referenced by voronoi().

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Variable Documentation

pxmax

double pxmax

Definition at line 32 of file edges.h.

pxmin

double pxmin

extern

Definition at line 19 of file edges.c.

Referenced by clip_line(), increaseBoundBox(), and setBoundBox().

pymax

double pymax

Definition at line 32 of file edges.h.

pymin

double pymin

Definition at line 32 of file edges.h.