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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 "config.h"
#include <common/render.h>
#include <cdt/cdt.h>
typedef struct _grid Grid;
typedef struct _node_list {
Agnode_t *node;
struct _node_list *next;
} node_list;
typedef struct {
int i, j;
} gridpt;
typedef struct {
gridpt p; /* index of cell */
node_list *nodes; /* nodes in cell */
Dtlink_t link; /* cdt data */
} cell;
extern Grid *mkGrid(int);
extern void adjustGrid(Grid * g, int nnodes);
extern void clearGrid(Grid *);
extern void addGrid(Grid *, int, int, Agnode_t *);
extern void walkGrid(Grid *, int (*)(void *, void *));
extern cell *findGrid(Grid *, int, int);
extern void delGrid(Grid *);
extern int gLength(cell * p);
#ifdef __cplusplus
}
#endif
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