info.h

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/*************************************************************************
 * 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
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <neatogen/voronoi.h>
#include <neatogen/poly.h>
 
    typedef struct ptitem {     /* Point list */
        struct ptitem *next;
        Point p;
    } PtItem;
 
    typedef struct {            /* Info concerning site */
        Agnode_t *node;         /* libgraph node */
        Site site;              /* site used by voronoi code */
        int overlaps;           /* true if node overlaps other nodes */
        Poly poly;              /* polygon at node */
        PtItem *verts;          /* sorted list of vertices of */
        /* voronoi polygon */
    } Info_t;
 
    extern Info_t *nodeInfo;    /* Array of node info */
 
    extern void infoinit(void);
    /* Insert vertex into sorted list */
    extern void addVertex(Site *, double, double);
 
#ifdef __cplusplus
}
#endif