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/* 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 PATCHWORK_H
#define PATCHWORK_H
#include "render.h"
#include "fdp.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int nStepsToLeaf;
int subtreeSize;
int nChildren;
int nStepsToCenter;
graph_t *parent;
double span;
double theta;
} rdata;
#define RDATA(n) ((rdata*)(ND_alg(n)))
#define SLEAF(n) (RDATA(n)->nStepsToLeaf)
#define STSIZE(n) (RDATA(n)->subtreeSize)
#define NCHILD(n) (RDATA(n)->nChildren)
#define SCENTER(n) (RDATA(n)->nStepsToCenter)
#define SPARENT(n) (RDATA(n)->parent)
#define SPAN(n) (RDATA(n)->span)
#define THETA(n) (RDATA(n)->theta)
extern void patchwork_init_graph(graph_t * g);
extern void twopi_layout(Agraph_t * g);
extern void twopi_cleanup(Agraph_t * g);
#ifdef __cplusplus
}
#endif
#endif
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