Graphviz  2.35.20130930.0449
gvcproc.h
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1 /* $Id$ $Revision$ */
2 /* vim:set shiftwidth=4 ts=8: */
3 
4 /*************************************************************************
5  * Copyright (c) 2011 AT&T Intellectual Property
6  * All rights reserved. This program and the accompanying materials
7  * are made available under the terms of the Eclipse Public License v1.0
8  * which accompanies this distribution, and is available at
9  * http://www.eclipse.org/legal/epl-v10.html
10  *
11  * Contributors: See CVS logs. Details at http://www.graphviz.org/
12  *************************************************************************/
13 
14 /* This is the public header for the callers of libgvc */
15 
16 #ifndef GVCPROC_H
17 #define GVCPROC_H
18 
19 #define extern
20 
21 /* these are intended to be private entry points - see gvc.h for the public ones */
22 
23 /* configuration */
24 
25  extern char *gvconfig_libdir(GVC_t * gvc);
26  extern void gvconfig(GVC_t * gvc, boolean rescan);
27  extern char *gvhostname(void);
28 
29 /* plugins */
30 
31  extern boolean gvplugin_install(GVC_t * gvc, api_t api,
32  const char *typestr, int quality, gvplugin_package_t *package,
33  gvplugin_installed_t * typeptr);
34  extern gvplugin_available_t *gvplugin_load(GVC_t * gvc, api_t api, const char *type);
36  extern api_t gvplugin_api(char *str);
37  extern char * gvplugin_api_name(api_t api);
38  extern void gvplugin_write_status(GVC_t * gvc);
39  extern char *gvplugin_list(GVC_t * gvc, api_t api, const char *str);
40 
41  extern Agraph_t * gvplugin_graph(GVC_t * gvc);
42 
43 /* job */
44 
45  extern void gvjobs_output_filename(GVC_t * gvc, const char *name);
46  extern boolean gvjobs_output_langname(GVC_t * gvc, const char *name);
47  extern GVJ_t *gvjobs_first(GVC_t * gvc);
48  extern GVJ_t *gvjobs_next(GVC_t * gvc);
49  extern void gvjobs_delete(GVC_t * gvc);
50 
51 /* emit */
52  extern void gvemit_graph(GVC_t * gvc, graph_t * g);
53 
54 /* textlayout */
55 
56  extern int gvtextlayout_select(GVC_t * gvc);
57  extern boolean gvtextlayout(GVC_t *gvc, textpara_t *para, char **fontpath);
58 
59 /* loadimage */
60  extern void gvloadimage(GVJ_t *job, usershape_t *us, boxf b, boolean filled, const char *target);
61 
62 /* usershapes */
64  extern point gvusershape_size(graph_t *g, char *name);
65  extern usershape_t *gvusershape_find(char *name);
66 
67 /* device */
68  extern int gvdevice_initialize(GVJ_t * job);
69  extern void gvdevice_format(GVJ_t * job);
70  extern void gvdevice_finalize(GVJ_t * job);
71 
72 /* render */
73 
74  extern pointf gvrender_ptf(GVJ_t *job, pointf p);
75  extern pointf* gvrender_ptf_A(GVJ_t *job, pointf *af, pointf *AF, int n);
76 
77  extern int gvrender_begin_job(GVJ_t * job);
78  extern void gvrender_end_job(GVJ_t * job);
79  extern int gvrender_select(GVJ_t * job, const char *lang);
80  extern int gvrender_features(GVJ_t * job);
81  extern void gvrender_begin_graph(GVJ_t * job, graph_t * g);
82  extern void gvrender_end_graph(GVJ_t * job);
83  extern void gvrender_begin_page(GVJ_t * job);
84  extern void gvrender_end_page(GVJ_t * job);
85  extern void gvrender_begin_layer(GVJ_t * job);
86  extern void gvrender_end_layer(GVJ_t * job);
87  extern void gvrender_begin_cluster(GVJ_t * job, graph_t * sg);
88  extern void gvrender_end_cluster(GVJ_t * job, graph_t *g);
89  extern void gvrender_begin_nodes(GVJ_t * job);
90  extern void gvrender_end_nodes(GVJ_t * job);
91  extern void gvrender_begin_edges(GVJ_t * job);
92  extern void gvrender_end_edges(GVJ_t * job);
93  extern void gvrender_begin_node(GVJ_t * job, node_t * n);
94  extern void gvrender_end_node(GVJ_t * job);
95  extern void gvrender_begin_edge(GVJ_t * job, edge_t * e);
96  extern void gvrender_end_edge(GVJ_t * job);
97  extern void gvrender_begin_anchor(GVJ_t * job,
98  char *href, char *tooltip, char *target, char *id);
99  extern void gvrender_end_anchor(GVJ_t * job);
100  extern void gvrender_begin_label(GVJ_t * job, label_type type);
101  extern void gvrender_end_label(GVJ_t * job);
102  extern void gvrender_textpara(GVJ_t * job, pointf p, textpara_t * para);
103  extern void gvrender_set_pencolor(GVJ_t * job, char *name);
104  extern void gvrender_set_penwidth(GVJ_t * job, double penwidth);
105  extern void gvrender_set_fillcolor(GVJ_t * job, char *name);
106  extern void gvrender_set_gradient_vals (GVJ_t * job, char *stopcolor, int angle, float frac);
107 
108  extern void gvrender_set_style(GVJ_t * job, char **s);
109  extern void gvrender_ellipse(GVJ_t * job, pointf * AF, int n, int filled);
110  extern void gvrender_polygon(GVJ_t* job, pointf* af, int n, int filled);
111  extern void gvrender_box(GVJ_t * job, boxf BF, int filled);
112  extern void gvrender_beziercurve(GVJ_t * job, pointf * AF, int n,
113  int arrow_at_start, int arrow_at_end, boolean filled);
114  extern void gvrender_polyline(GVJ_t * job, pointf * AF, int n);
115  extern void gvrender_comment(GVJ_t * job, char *str);
116  extern void gvrender_usershape(GVJ_t * job, char *name, pointf * AF, int n, boolean filled, char *imagescale);
117 
118 /* layout */
119 
120  extern int gvlayout_select(GVC_t * gvc, const char *str);
121  extern int gvFreeLayout(GVC_t * gvc, Agraph_t * g);
122  extern int gvLayoutJobs(GVC_t * gvc, Agraph_t * g);
123 
124 /* argvlist */
125  extern gv_argvlist_t *gvNEWargvlist(void);
126  extern void gv_argvlist_set_item(gv_argvlist_t *list, int index, char *item);
127  extern void gv_argvlist_reset(gv_argvlist_t *list);
128  extern void gv_argvlist_free(gv_argvlist_t *list);
129 
130 #undef extern
131 
132 #endif /* GVCPROC_H */