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/* $Id: render.h,v 1.17 2005/10/18 21:10:33 ellson Exp $ $Revision: 1.17 $ */
/* 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 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 "graph.h" /* must follow types.h */
#include "utils.h" /* must follow types.h */
#include "gvplugin.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 struct {
Dtlink_t link;
char *name;
int macro_id;
point size;
point origin;
char *contents;
int must_inline;
} ps_image_t;
typedef void (*nodesizefn_t) (Agnode_t *, bool);
extern void add_box(path *, box);
extern void arrow_flags(Agedge_t * e, int *sflag, int *eflag);
extern boxf arrow_bb(pointf p, pointf u, double scale, int flag);
extern void arrow_gen(GVJ_t * job, int state, point p, point u,
double scale, int flag);
extern double arrow_length(edge_t * e, int flag);
extern int arrowEndClip(edge_t*, point*, int, int , bezier*, int eflag);
extern int arrowStartClip(edge_t*, point* ps, int, int, bezier*, int sflag);
extern void attach_attrs(Agraph_t *);
extern void beginpath(path *, Agedge_t *, int, pathend_t *, bool);
extern void bezier_clip(inside_t * inside_context,
bool(*insidefn) (inside_t * inside_context,
pointf p), pointf * sp,
bool left_inside);
extern shape_desc *bind_shape(char *name, node_t *);
extern void clip_and_install(edge_t *, edge_t *, point *, int,
splineInfo *);
extern char *canontoken(char *str);
extern char* charsetToStr (int c);
extern point coord(node_t * n);
extern void do_graph_label(graph_t * sg);
extern void graph_init(graph_t * g, bool 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 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 double elapsed_sec(void);
extern void emit_background(GVJ_t * job, graph_t *g);
extern void emit_clusters(GVJ_t * job, Agraph_t * g, int flags);
extern void emit_edge_graphics(GVJ_t * job, edge_t * e);
extern void emit_graph(GVJ_t * job, graph_t * g);
extern void emit_label(GVJ_t * job, int state, textlabel_t *, void *obj);
extern int emit_once(char *message);
extern void emit_jobs_eof(GVC_t * gvc);
extern void emit_textlines(GVJ_t*, int, textline_t*, pointf,
double, char*, double, char*);
extern void enqueue_neighbors(nodequeue *, Agnode_t *, int);
extern void endpath(path *, Agedge_t *, int, pathend_t *, bool);
extern void epsf_init(node_t * n);
extern void epsf_free(node_t * n);
extern void extend_attrs(GVJ_t * job, graph_t *g, int s_arrows, int e_arrows);
extern shape_desc *find_user_shape(char *);
extern void free_line(textline_t *);
extern void free_label(textlabel_t *);
extern char *gd_alternate_fontlist(char *font);
extern char *gd_textsize(textline_t * textline, char *fontname,
double fontsz, char **fontpath);
extern void getdouble(graph_t * g, char *name, double *result);
extern splines *getsplinepoints(edge_t * e);
extern void global_def(char *,
Agsym_t * (*fun) (Agraph_t *, char *, char *));
extern int gvRenderJobs (GVC_t * gvc, graph_t * g);
extern point image_size(graph_t * g, char *shapefile);
extern bool isPolygon(node_t *);
extern char *strdup_and_subst_graph(char *str, Agraph_t * g);
extern char *strdup_and_subst_node(char *str, Agnode_t * n);
extern char *strdup_and_subst_edge(char *str, Agedge_t * e);
extern char *xml_string(char *s);
extern void makeSelfEdge(path *, edge_t **, int, int, int, int,
splineInfo *);
extern textlabel_t *make_label(int, char *, double, char *, char *,
graph_t *);
extern void map_begin_cluster(graph_t * g);
extern void map_begin_edge(Agedge_t * e);
extern void map_begin_node(Agnode_t * n);
extern void map_edge(Agedge_t *);
extern point map_point(point);
extern bezier *new_spline(edge_t * e, int sz);
extern Agraph_t *next_input_graph(void);
extern void osize_label(textlabel_t *, int *, int *, int *, int *);
extern char **parse_style(char *s);
extern void place_graph_label(Agraph_t *);
extern void place_portlabel(edge_t * e, bool head_p);
extern char *ps_string(char *s, int);
extern int rank(graph_t * g, int balance, int maxiter);
extern void round_corners(GVJ_t*, char*, char*, point*, int, int);
extern void routesplinesinit(void);
extern point *routesplines(path *, int *);
extern void routesplinesterm(void);
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, point curve[4]);
extern void start_timer(void);
extern double textwidth(textline_t * textline, char *fontname,
double fontsz);
extern void translate_bb(Agraph_t *, int);
extern void use_library(char *);
extern void write_attributed_dot(graph_t *g, FILE *f);
extern void write_canonical_dot(graph_t *g, FILE *f);
extern void write_extended_dot(GVJ_t * job, graph_t *g, FILE *f);
extern void write_plain(GVJ_t * job, graph_t * g, FILE * f);
extern void write_plain_ext(GVJ_t * job, graph_t * g, FILE * f);
#if defined(_BLD_dot) && defined(_DLL)
# define extern __EXPORT__
#endif
#ifndef DISABLE_CODEGENS
#ifndef HAVE_GD_FREETYPE
extern void initDPI(graph_t *);
extern double textheight(int nlines, double fontsz);
extern int builtinFontHt(double fontsz);
extern int builtinFontWd(double fontsz);
#endif
extern codegen_info_t *first_codegen(void);
extern codegen_info_t *next_codegen(codegen_info_t * p);
#endif
#undef extern
#ifdef __cplusplus
}
#endif
#endif
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