pathgeom.h

Go to the documentation of this file.

/* $Id: pathgeom.h,v 1.1 2005/04/09 03:38:19 roxo Exp $ $Revision: 1.1 $ */
/* vim:set shiftwidth=4 ts=8: */

/**********************************************************
*      This software is part of the graphviz package      *
*                http://www.graphviz.org/                 *
*                                                         *
*            Copyright (c) 1994-2004 AT&T Corp.           *
*                and is licensed under the                *
*            Common Public License, Version 1.0           *
*                      by AT&T Corp.                      *
*                                                         *
*        Information and Software Systems Research        *
*              AT&T Research, Florham Park NJ             *
**********************************************************/


#ifndef _PATHGEOM_INCLUDE
#define _PATHGEOM_INCLUDE

#ifdef __cplusplus
extern "C" {
#endif

    typedef struct Pxy_t {
        double x, y;
    } Pxy_t;

    typedef struct Pxy_t Ppoint_t;
    typedef struct Pxy_t Pvector_t;

    typedef struct Ppoly_t {
        Ppoint_t *ps;
        int pn;
    } Ppoly_t;

    typedef Ppoly_t Ppolyline_t;

    typedef struct Pedge_t {
        Ppoint_t a, b;
    } Pedge_t;

/* opaque state handle for visibility graph operations */
    typedef struct vconfig_s vconfig_t;

#ifdef __cplusplus
}
#endif
#endif