pathgeom.h

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/* $Id$ $Revision$ */
/* vim:set shiftwidth=4 ts=8: */

/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: See CVS logs. Details at http://www.graphviz.org/
 *************************************************************************/


#ifndef _PATHGEOM_INCLUDE
#define _PATHGEOM_INCLUDE

#ifdef __cplusplus
extern "C" {
#endif

#ifdef HAVE_POINTF_S
    typedef struct pointf_s Ppoint_t;
    typedef struct pointf_s Pvector_t;
#else
    typedef struct Pxy_t {
        double x, y;
    } Pxy_t;

    typedef struct Pxy_t Ppoint_t;
    typedef struct Pxy_t Pvector_t;
#endif

    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;

    void freePath(Ppolyline_t* p);
#ifdef __cplusplus
}
#endif
#endif