Graphviz  2.41.20170921.2350
circle.h
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1 /* $Id$ $Revision$ */
2 /* vim:set shiftwidth=4 ts=8: */
3 
4 /*************************************************************************
5  * Copyright (c) 2011 AT&T Intellectual Property
6  * All rights reserved. This program and the accompanying materials
7  * are made available under the terms of the Eclipse Public License v1.0
8  * which accompanies this distribution, and is available at
9  * http://www.eclipse.org/legal/epl-v10.html
10  *
11  * Contributors: See CVS logs. Details at http://www.graphviz.org/
12  *************************************************************************/
13 
14 #ifndef CIRCLE_H
15 #define CIRCLE_H
16 
17 #include "render.h"
18 
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22 
23  typedef struct {
24  uint64_t nStepsToLeaf;
25  uint64_t subtreeSize;
26  uint64_t nChildren;
27  uint64_t nStepsToCenter;
29  double span;
30  double theta;
31  } rdata;
32 
33 #define RDATA(n) ((rdata*)(ND_alg(n)))
34 #define SLEAF(n) (RDATA(n)->nStepsToLeaf)
35 #define STSIZE(n) (RDATA(n)->subtreeSize)
36 #define NCHILD(n) (RDATA(n)->nChildren)
37 #define SCENTER(n) (RDATA(n)->nStepsToCenter)
38 #define SPARENT(n) (RDATA(n)->parent)
39 #define SPAN(n) (RDATA(n)->span)
40 #define THETA(n) (RDATA(n)->theta)
41 
42  extern Agnode_t* circleLayout(Agraph_t * sg, Agnode_t * center);
43  extern void twopi_layout(Agraph_t * g);
44  extern void twopi_cleanup(Agraph_t * g);
45  extern void twopi_init_graph(graph_t * g);
46 
47 #ifdef __cplusplus
48 }
49 #endif
50 #endif
uint64_t nStepsToLeaf
Definition: circle.h:24
double theta
Definition: circle.h:30
Agnode_t * circleLayout(Agraph_t *sg, Agnode_t *center)
Definition: circle.c:410
double span
Definition: circle.h:29
node_t * parent
Definition: circle.h:28
uint64_t subtreeSize
Definition: circle.h:25
void twopi_cleanup(Agraph_t *g)
Definition: twopiinit.c:185
uint64_t nStepsToCenter
Definition: circle.h:27
void twopi_layout(Agraph_t *g)
Definition: twopiinit.c:75
uint64_t nChildren
Definition: circle.h:26
void twopi_init_graph(graph_t *g)
Definition: twopiinit.c:54