1/* vim:set shiftwidth=4 ts=8: */
2
3/*************************************************************************
4 * Copyright (c) 2011 AT&T Intellectual Property
5 * All rights reserved. This program and the accompanying materials
6 * are made available under the terms of the Eclipse Public License v1.0
7 * which accompanies this distribution, and is available at
8 * http://www.eclipse.org/legal/epl-v10.html
9 *
10 * Contributors: See CVS logs. Details at http://www.graphviz.org/
11 *************************************************************************/
12
13#ifndef SPLIT_Q_H
14#define SPLIT_Q_H
15
16#ifdef __cplusplus
17extern "C" {
18#endif
19
20/*-----------------------------------------------------------------------------
21| Definitions and global variables.
22-----------------------------------------------------------------------------*/
23#include <rectangle.h>
24#include <index.h>
25
26#ifndef METHODS
27#define METHODS 1
28#endif /*METHODS*/
29/* variables for finding a partition */
30 struct PartitionVars {
31 int partition[NODECARD + 1];
32 int taken[NODECARD + 1];
33 int count[2];
34 struct Rect cover[2];
35 int area[2];
36};
37
38typedef struct split_q_s {
39 struct Branch BranchBuf[NODECARD + 1];
40 struct Rect CoverSplit;
41 unsigned int CoverSplitArea;
42 struct PartitionVars Partitions[METHODS];
43} SplitQ_t;
44
45void SplitNode(RTree_t *, Node_t *, Branch_t *, Node_t **);
46
47#ifdef __cplusplus
48}
49#endif
50
51#endif /*SPLIT_Q_H */
52