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/**********************************************************
* 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 GV_RENDER_H
#define GV_RENDER_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "types.h"
#include "macros.h"
#include "const.h"
#include "globals.h"
#include "memory.h"
#include "colorprocs.h" /* must collow color.h (in types.h) */
#include "geomprocs.h" /* must follow geom.h (in types.h) */
#include "agxbuf.h"
#include "utils.h" /* must follow types.h and agxbuf.h */
#include "gvplugin.h" /* must follow gvcext.h (in types.h) */
#include "gvcjob.h" /* must follow gvcext.h (in types.h) */
#include "gvcint.h" /* must follow gvcext.h (in types.h) */
#include "gvcproc.h" /* must follow gvcext.h (in types.h) */
typedef struct epsf_s {
int macro_id;
point offset;
} epsf_t;
typedef void (*nodesizefn_t) (Agnode_t *, boolean);
#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*/
extern void add_box(path *, boxf);
extern void arrow_flags(Agedge_t * e, int *sflag, int *eflag);
extern boxf arrow_bb(pointf p, pointf u, double arrowsize, int flag);
extern void arrow_gen(GVJ_t * job, emit_state_t emit_state, pointf p, pointf u,
double arrowsize, double penwidth, int flag);
extern double arrow_length(edge_t * e, int flag);
extern int arrowEndClip(edge_t*, pointf*, int, int , bezier*, int eflag);
extern int arrowStartClip(edge_t*, pointf* ps, int, int, bezier*, int sflag);
extern void beginpath(path *, Agedge_t *, int, pathend_t *, boolean);
extern void bezier_clip(inside_t * inside_context,
boolean(*insidefn) (inside_t * inside_context,
pointf p), pointf * sp,
boolean left_inside);
extern shape_desc *bind_shape(char *name, node_t *);
extern void clip_and_install(edge_t * fe, node_t * hn,
pointf * ps, int pn, splineInfo * info);
extern char* charsetToStr (int c);
extern pointf coord(node_t * n);
extern void do_graph_label(graph_t * sg);
extern void graph_init(graph_t * g, boolean use_rankdir);
extern void graph_cleanup(graph_t * g);
extern void dotneato_args_initialize(GVC_t * gvc, int, char **);
extern void dotneato_usage(int);
extern void dotneato_postprocess(Agraph_t *);
extern void gv_postprocess(Agraph_t *, int);
extern void dotneato_set_margins(GVC_t * gvc, Agraph_t *);
extern void dotneato_write(GVC_t * gvc, graph_t *g);
extern void dotneato_write_one(GVC_t * gvc, graph_t *g);
extern void emit_clusters(GVJ_t * job, Agraph_t * g, int flags);
/* extern void emit_begin_edge(GVJ_t * job, edge_t * e, char**); */
/* extern void emit_end_edge(GVJ_t * job); */
extern void emit_graph(GVJ_t * job, graph_t * g);
extern void emit_label(GVJ_t * job, emit_state_t emit_state, textlabel_t *);
extern int emit_once(char *message);
extern void emit_jobs_eof(GVC_t * gvc);
extern void emit_map_rect(GVJ_t *job, boxf b);
extern void enqueue_neighbors(nodequeue *, Agnode_t *, int);
extern void endpath(path *, Agedge_t *, int, pathend_t *, boolean);
extern void epsf_init(node_t * n);
extern void epsf_free(node_t * n);
extern shape_desc *find_user_shape(const char *);
extern void free_line(textpara_t *);
extern void free_label(textlabel_t *);
extern void free_textpara(textpara_t * tl);
extern void getdouble(graph_t * g, char *name, double *result);
extern splines *getsplinepoints(edge_t * e);
extern void gv_fixLocale (int set);
extern void gv_free_splines(edge_t * e);
extern void gv_cleanup_edge(Agedge_t * e);
extern void gv_cleanup_node(Agnode_t * n);
extern void* init_xdot (Agraph_t* g);
extern int initMapData (GVJ_t*, char*, char*, char*, char*, char*, void*);
extern boolean isPolygon(node_t *);
extern void makeSelfEdge(path * P, edge_t * edges[], int ind, int cnt,
double sizex, double sizey, splineInfo * sinfo);
extern textlabel_t *make_label(void *obj, char *str, int kind, double fontsize, char *fontname, char *fontcolor);
extern bezier *new_spline(edge_t * e, int sz);
extern char **parse_style(char *s);
extern void place_graph_label(Agraph_t *);
extern void place_portlabel(edge_t * e, boolean head_p);
extern void pop_obj_state(GVJ_t *job);
extern obj_state_t* push_obj_state(GVJ_t *job);
extern int rank(graph_t * g, int balance, int maxiter);
extern port resolvePort(node_t* n, node_t* other, port* oldport);
extern void resolvePorts (edge_t* e);
extern void round_corners(GVJ_t*, char*, char*, pointf*, int, int,int);
extern void routesplinesinit(void);
extern pointf *routesplines(path *, int *);
extern void routesplinesterm(void);
extern pointf *routepolylines(path* pp, int* npoints);
extern int selfRightSpace (edge_t* e);
extern void setup_graph(GVC_t * gvc, graph_t * g);
extern shape_kind shapeOf(node_t *);
extern void shape_clip(node_t * n, pointf curve[4]);
extern void make_simple_label (graph_t* g, textlabel_t* rv);
extern pointf textsize(graph_t *g, textpara_t * para, char *fontname, double fontsize);
extern void translate_bb(Agraph_t *, int);
extern void update_bb_bz(boxf *bb, pointf *cp);
extern void write_attributed_dot(graph_t *g, FILE *f);
extern void write_canonical_dot(graph_t *g, FILE *f);
extern boxf xdotBB (graph_t* g);
#undef extern
#ifdef __cplusplus
}
#endif
#endif
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