adjust.h

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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
 
#include <util/api.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "geom.h"
#include <sparse/SparseMatrix.h>
#include <stdbool.h>
 
#define DFLT_MARGIN     4   /* 4 points */
 
typedef enum {
    AM_NONE, AM_VOR,
    AM_SCALE, AM_NSCALE, AM_SCALEXY,
    AM_ORTHO, AM_ORTHO_YX, AM_ORTHOXY, AM_ORTHOYX,
    AM_PORTHO, AM_PORTHO_YX, AM_PORTHOXY, AM_PORTHOYX, AM_COMPRESS,
    AM_VPSC, AM_IPSEP, AM_PRISM
} adjust_mode;
 
typedef struct {
    adjust_mode mode;
    char *print;
    int value;
    double scaling;
} adjust_data;
 
typedef struct {
    double x, y;
    bool doAdd;  /* if true, x and y are in points */
} expand_t;
 
PRIVATE expand_t sepFactor(graph_t * G);
PRIVATE expand_t esepFactor(graph_t * G);
PRIVATE int adjustNodes(graph_t * G);
PRIVATE int normalize(graph_t * g);
PRIVATE int removeOverlapAs(graph_t*, char*);
PRIVATE int removeOverlapWith(graph_t*, adjust_data*);
PRIVATE int cAdjust(graph_t *, int);
PRIVATE int scAdjust(graph_t *, int);
PRIVATE void graphAdjustMode(graph_t *G, adjust_data*, char* dflt);
PRIVATE double *getSizes(Agraph_t * g, pointf pad, int *n_elabels, int **elabels);
PRIVATE SparseMatrix makeMatrix(Agraph_t *g);
 
#ifdef __cplusplus
}
#endif