poly.c File Reference

#include "neato.h"
#include <assert.h>
#include <string.h>
#include <math.h>
#include "poly.h"
#include "geom.h"
#include "mem.h"

Include dependency graph for poly.c:

Go to the source code of this file.

Macros
#define	BOX   1
#define	ISBOX(p)   ((p)->kind & BOX)
#define	CIRCLE   2
#define	ISCIRCLE(p)   ((p)->kind & CIRCLE)
#define	PUTPT(P, X, Y)   ((P).x=(X),(P).y=(Y))
#define	Pin   1
#define	Qin   2
#define	Unknown   0
#define	advance(A, B, N)   (B++, A = (A+1)%N)

Functions
void	polyFree ()
void	breakPoly (Poly *pp)
int	makeAddPoly (Poly *pp, Agnode_t *n, float xmargin, float ymargin)
int	makePoly (Poly *pp, Agnode_t *n, float xmargin, float ymargin)
int	polyOverlap (Point p, Poly *pp, Point q, Poly *qp)

Macro Definition Documentation

#define advance	(		A,
			B,
			N
	)		(B++, A = (A+1)%N)

Definition at line 367 of file poly.c.

#define BOX   1

Definition at line 25 of file poly.c.

Referenced by makeAddPoly(), and makePoly().

#define CIRCLE   2

Definition at line 27 of file poly.c.

Referenced by makeAddPoly(), and makePoly().

#define ISBOX

(

p

)

((p)->kind & BOX)

Definition at line 26 of file poly.c.

Referenced by polyOverlap().

#define ISCIRCLE

(

p

)

((p)->kind & CIRCLE)

Definition at line 28 of file poly.c.

Referenced by polyOverlap().

#define Pin   1

Definition at line 363 of file poly.c.

#define PUTPT	(		P,
			X,
			Y
	)		((P).x=(X),(P).y=(Y))

Definition at line 181 of file poly.c.

Referenced by makeAddPoly(), and makePoly().

#define Qin   2

Definition at line 364 of file poly.c.

#define Unknown   0

Definition at line 365 of file poly.c.

Function Documentation

void breakPoly

(

Poly *

pp

)

Definition at line 46 of file poly.c.

References Poly::verts.

int makeAddPoly	(	Poly *	pp,
		Agnode_t *	n,
		float	xmargin,
		float	ymargin
	)

Definition at line 183 of file poly.c.

References agerr(), AGERR, BOX, CIRCLE, Poly::corner, if(), Poly::kind, LEN, boxf::LL, N_GNEW, ND_clust, ND_height, ND_shape, ND_shape_info, ND_width, Poly::nverts, Poly::origin, PS2INCH, PUTPT, polygon_t::regular, SH_POINT, SH_POLY, SH_RECORD, shapeOf(), polygon_t::sides, streq, boxf::UR, polygon_t::vertices, Poly::verts, Point::x, pointf_s::x, Point::y, and pointf_s::y.

int makePoly	(	Poly *	pp,
		Agnode_t *	n,
		float	xmargin,
		float	ymargin
	)

Definition at line 275 of file poly.c.

References agerr(), AGERR, BOX, CIRCLE, Poly::corner, Poly::kind, boxf::LL, N_GNEW, ND_clust, ND_height, ND_shape, ND_shape_info, ND_width, Poly::nverts, Poly::origin, PS2INCH, PUTPT, polygon_t::regular, SH_POINT, SH_POLY, SH_RECORD, shapeOf(), polygon_t::sides, streq, boxf::UR, polygon_t::vertices, Poly::verts, Point::x, pointf_s::x, Point::y, and pointf_s::y.

void polyFree

(

void

)

Definition at line 35 of file poly.c.

References NULL.

int polyOverlap	(	Point	p,
		Poly *	pp,
		Point	q,
		Poly *	qp
	)

Definition at line 504 of file poly.c.

References addpt(), Poly::corner, ISBOX, ISCIRCLE, N_GNEW, NULL, Poly::nverts, Poly::origin, Poly::verts, Point::x, and Point::y.