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00017 #ifndef GV_RENDER_H
00018 #define GV_RENDER_H
00019
00020 #ifdef __cplusplus
00021 extern "C" {
00022 #endif
00023
00024 #ifdef HAVE_CONFIG_H
00025 #include "config.h"
00026 #endif
00027
00028 #ifdef HAVE_SYS_TYPES_H
00029 #include <sys/types.h>
00030 #endif
00031 #ifdef HAVE_STDLIB_H
00032 #include <stdlib.h>
00033 #endif
00034 #ifdef HAVE_STDDEF_H
00035 #include <stddef.h>
00036 #endif
00037 #ifdef HAVE_STRINGS_H
00038 #include <strings.h>
00039 #endif
00040 #ifdef HAVE_STRING_H
00041 #include <string.h>
00042 #endif
00043
00044 #include "types.h"
00045 #include "macros.h"
00046 #include "const.h"
00047 #include "globals.h"
00048 #include "memory.h"
00049 #include "colorprocs.h"
00050 #include "geomprocs.h"
00051 #include "agxbuf.h"
00052 #include "graph.h"
00053 #include "utils.h"
00054 #include "gvplugin.h"
00055 #include "gvcjob.h"
00056 #include "gvcint.h"
00057 #include "gvcproc.h"
00058
00059 typedef struct epsf_s {
00060 int macro_id;
00061 point offset;
00062 } epsf_t;
00063
00064 typedef void (*nodesizefn_t) (Agnode_t *, boolean);
00065
00066 extern void add_box(path *, box);
00067 extern void arrow_flags(Agedge_t * e, int *sflag, int *eflag);
00068 extern boxf arrow_bb(pointf p, pointf u, double arrowsize, int flag);
00069 extern void arrow_gen(GVJ_t * job, emit_state_t emit_state, point p, point u,
00070 double arrowsize, double penwidth, int flag);
00071 extern double arrow_length(edge_t * e, int flag);
00072 extern int arrowEndClip(edge_t*, point*, int, int , bezier*, int eflag);
00073 extern int arrowStartClip(edge_t*, point* ps, int, int, bezier*, int sflag);
00074 extern void attach_attrs(Agraph_t *);
00075 extern void beginpath(path *, Agedge_t *, int, pathend_t *, boolean);
00076 extern void bezier_clip(inside_t * inside_context,
00077 boolean(*insidefn) (inside_t * inside_context,
00078 pointf p), pointf * sp,
00079 boolean left_inside);
00080 extern shape_desc *bind_shape(char *name, node_t *);
00081 extern void clip_and_install(edge_t *, node_t *, point *, int,
00082 splineInfo *);
00083 extern char* charsetToStr (int c);
00084 extern point coord(node_t * n);
00085 extern void do_graph_label(graph_t * sg);
00086 extern void graph_init(graph_t * g, boolean use_rankdir);
00087 extern void graph_cleanup(graph_t * g);
00088 extern void dotneato_args_initialize(GVC_t * gvc, int, char **);
00089 extern void dotneato_usage(int);
00090 extern void dotneato_postprocess(Agraph_t *);
00091 extern void dotneato_set_margins(GVC_t * gvc, Agraph_t *);
00092 extern void dotneato_write(GVC_t * gvc, graph_t *g);
00093 extern void dotneato_write_one(GVC_t * gvc, graph_t *g);
00094 extern double elapsed_sec(void);
00095 extern void emit_background(GVJ_t * job, graph_t *g);
00096 extern void emit_clusters(GVJ_t * job, Agraph_t * g, int flags);
00097
00098
00099 extern void emit_graph(GVJ_t * job, graph_t * g);
00100 extern void emit_label(GVJ_t * job, emit_state_t emit_state, textlabel_t *);
00101 extern int emit_once(char *message);
00102 extern void emit_jobs_eof(GVC_t * gvc);
00103 extern void emit_map_rect(GVJ_t *job, point LL, point UR);
00104 extern void enqueue_neighbors(nodequeue *, Agnode_t *, int);
00105 extern void endpath(path *, Agedge_t *, int, pathend_t *, boolean);
00106 extern void epsf_init(node_t * n);
00107 extern void epsf_free(node_t * n);
00108 extern shape_desc *find_user_shape(char *);
00109 extern void free_line(textpara_t *);
00110 extern void free_label(textlabel_t *);
00111 extern void getdouble(graph_t * g, char *name, double *result);
00112 extern splines *getsplinepoints(edge_t * e);
00113 extern void global_def(char *,
00114 Agsym_t * (*fun) (Agraph_t *, char *, char *));
00115 extern int gvRenderJobs (GVC_t * gvc, graph_t * g);
00116 extern int initMapData (GVJ_t*, char*, char*, char*, char*, void*);
00117 extern boolean isPolygon(node_t *);
00118 extern char *strdup_and_subst_obj(char *str, void *obj);
00119 extern char *xml_string(char *s);
00120 extern void makeSelfEdge(path *, edge_t **, int, int, int, int,
00121 splineInfo *);
00122 extern textlabel_t *make_label(graph_t *g, int html, char *str,
00123 double fontsize, char *fontname, char *fontcolor);
00124 extern bezier *new_spline(edge_t * e, int sz);
00125 extern void osize_label(textlabel_t *, int *, int *, int *, int *);
00126 extern char **parse_style(char *s);
00127 extern void place_graph_label(Agraph_t *);
00128 extern void place_portlabel(edge_t * e, boolean head_p);
00129 extern char *ps_string(char *s, int);
00130 extern void pop_obj_state(GVJ_t *job);
00131 extern obj_state_t* push_obj_state(GVJ_t *job);
00132 extern int rank(graph_t * g, int balance, int maxiter);
00133 extern void round_corners(GVJ_t*, char*, char*, pointf*, int, int);
00134 extern void routesplinesinit(void);
00135 extern point *routesplines(path *, int *);
00136 extern void routesplinesterm(void);
00137 extern point *routepolylines(path* pp, int* npoints);
00138 extern int selfRightSpace (edge_t* e);
00139 extern void setup_graph(GVC_t * gvc, graph_t * g);
00140 extern shape_kind shapeOf(node_t *);
00141 extern void shape_clip(node_t * n, point curve[4]);
00142 extern void size_label (graph_t* g, textlabel_t* rv);
00143 extern void start_timer(void);
00144 extern pointf textsize(graph_t *g, textpara_t * para, char *fontname, double fontsize);
00145 extern void translate_bb(Agraph_t *, int);
00146 extern void write_attributed_dot(graph_t *g, FILE *f);
00147 extern void write_canonical_dot(graph_t *g, FILE *f);
00148 extern void write_plain(GVJ_t * job, graph_t * g, FILE * f, boolean extend);
00149
00150 #if defined(_BLD_dot) && defined(_DLL)
00151 # define extern __EXPORT__
00152 #endif
00153
00154 #ifdef WITH_CODEGENS
00155 extern codegen_info_t *first_codegen(void);
00156 extern codegen_info_t *next_codegen(codegen_info_t * p);
00157 #endif
00158
00159 #undef extern
00160
00161 #ifdef __cplusplus
00162 }
00163 #endif
00164
00165 #endif