Graphviz: lib/neatogen/info.h Source File

Graphviz 2.29.20120524.0446
00001 /* $Id$ $Revision$ */
00002 /* vim:set shiftwidth=4 ts=8: */
00003 
00004 /*************************************************************************
00005  * Copyright (c) 2011 AT&T Intellectual Property 
00006  * All rights reserved. This program and the accompanying materials
00007  * are made available under the terms of the Eclipse Public License v1.0
00008  * which accompanies this distribution, and is available at
00009  * http://www.eclipse.org/legal/epl-v10.html
00010  *
00011  * Contributors: See CVS logs. Details at http://www.graphviz.org/
00012  *************************************************************************/
00013 
00014 #ifdef __cplusplus
00015 extern "C" {
00016 #endif
00017 
00018 
00019 #ifndef INFO_H
00020 #define INFO_H
00021 
00022 #include "voronoi.h"
00023 #include "poly.h"
00024 
00025     typedef struct ptitem {     /* Point list */
00026         struct ptitem *next;
00027         Point p;
00028     } PtItem;
00029 
00030     typedef struct {            /* Info concerning site */
00031         Agnode_t *node;         /* libgraph node */
00032         Site site;              /* site used by voronoi code */
00033         int overlaps;           /* true if node overlaps other nodes */
00034         Poly poly;              /* polygon at node */
00035         PtItem *verts;          /* sorted list of vertices of */
00036         /* voronoi polygon */
00037     } Info_t;
00038 
00039     extern Info_t *nodeInfo;    /* Array of node info */
00040 
00041     extern void infoinit(void);
00042     /* Insert vertex into sorted list */
00043     extern void addVertex(Site *, double, double);
00044 #endif
00045 
00046 #ifdef __cplusplus
00047 }
00048 #endif