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/* $Id: utils.h,v 1.38 2009/10/16 15:47:47 erg Exp $ $Revision: 1.38 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
#ifndef _UTILS_H
#define _UTILS_H 1
#ifdef __cplusplus
extern "C" {
#endif
#ifdef GVDLL
#define extern __declspec(dllexport)
#else
#define extern
#endif
/*visual studio*/
#ifdef WIN32_DLL
#ifndef GVC_EXPORTS
#define extern __declspec(dllimport)
#endif
#endif
/*end visual studio*/
#ifndef HAVE_STRCASECMP
extern int strcasecmp(const char *s1, const char *s2);
#endif
#ifndef HAVE_STRNCASECMP
extern int strncasecmp(const char *s1, const char *s2, size_t n);
#endif
extern nodequeue *new_queue(int);
extern void free_queue(nodequeue *);
extern void enqueue(nodequeue *, Agnode_t *);
extern Agnode_t *dequeue(nodequeue *);
extern pointf Bezier(pointf *, int, double, pointf *, pointf *);
extern void attach_attrs(graph_t * g);
extern void attach_attrs_and_arrows(graph_t*, int*, int*);
extern char *xml_string(char *str);
extern void write_plain(GVJ_t * job, graph_t * g, FILE * f, boolean extend);
extern void output_point(agxbuf *xbuf, pointf p);
extern char *ps_string(char *s, int);
extern char *strdup_and_subst_obj(char *str, void *obj);
extern char *xml_url_string(char *s);
extern void epsf_emit_body(GVJ_t *job, usershape_t *us);
extern void epsf_define(GVJ_t * job);
extern void undoClusterEdges(graph_t * g);
extern void common_init_node_opt(node_t * n, int shape_init_flag);
#ifndef WITH_CGRAPH
extern attrsym_t* safe_dcl(graph_t*, void*, char*, char*,
attrsym_t * (*fun) (Agraph_t *, char *, char *));
#else
extern attrsym_t* safe_dcl(graph_t * g, int obj_kind, char *name, char *def);
#endif
extern int late_int(void *, Agsym_t *, int, int);
extern double late_double(void *, Agsym_t *, double, double);
extern char *late_nnstring(void *, Agsym_t *, char *);
extern char *late_string(void *, Agsym_t *, char *);
extern boolean late_bool(void *, Agsym_t *, int);
extern Agnode_t *UF_find(Agnode_t *);
extern Agnode_t *UF_union(Agnode_t *, Agnode_t *);
extern void UF_remove(Agnode_t *, Agnode_t *);
extern void UF_singleton(Agnode_t *);
extern void UF_setname(Agnode_t *, Agnode_t *);
extern char *Fgets(FILE * fp);
extern const char *safefile(const char *filename);
extern boolean mapbool(char *);
extern int maptoken(char *, char **, int *);
extern int test_toggle(void);
extern void common_init_node(node_t * n);
extern int common_init_edge(edge_t * e);
extern void updateBB(graph_t * g, textlabel_t * lp);
extern void compute_bb(Agraph_t *);
extern boolean overlap_node(node_t *n, boxf b);
extern boolean overlap_label(textlabel_t *lp, boxf b);
extern boolean overlap_edge(edge_t *e, boxf b);
extern int processClusterEdges(graph_t * g);
extern char *latin1ToUTF8(char *);
extern char *htmlEntityUTF8(char *);
extern char* utf8ToLatin1 (char* ins);
extern char* scanEntity (char* t, agxbuf* xb);
extern pointf dotneato_closest(splines * spl, pointf p);
extern pointf neato_closest(splines * spl, pointf p);
extern pointf spline_at_y(splines * spl, double y);
extern Agsym_t *setAttr(graph_t*, void*, char*name, char *value, Agsym_t*);
extern void setEdgeType (graph_t* g, int dflt);
extern int edgeType (char* s, int dflt);
/* from postproc.c */
extern void gv_nodesize(Agnode_t * n, boolean flip);
/* from timing.c */
extern void start_timer(void);
extern double elapsed_sec(void);
/* from psusershape.c */
extern void cat_libfile(GVJ_t * job, const char **arglib, const char **stdlib);
/**/
#ifdef WIN32
extern void fix_fc(void);
#endif
#undef extern
#ifdef __cplusplus
}
#endif
#endif /* _UTILS_H */
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