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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 <label/index.h>
- typedef struct Branch {
- Rect_t rect;
- struct Node *child;
- } Branch_t;
- typedef struct Node {
- int count;
- int level; /* 0 is leaf, others positive */
- struct Branch branch[NODECARD];
- } Node_t;
- void InitNode(Node_t *);
- void InitBranch(Branch_t *);
- Rect_t NodeCover(Node_t *);
- int PickBranch(Rect_t *, Node_t *);
- int AddBranch(RTree_t *, Branch_t *, Node_t *, Node_t **);
- void DisconBranch(Node_t *, int);
- void PrintBranch(int, Branch_t *);
- Node_t *RTreeNewNode(void);
- #ifdef RTDEBUG
- void PrintNode(Node_t * n);
- void PrintBranch(int i, Branch_t * b);
- #endif
- #ifdef __cplusplus
- }
- #endif
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