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comparison toolboxes/graph_visualisation/share/man/man3/gvc.3 @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
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| date | Tue, 10 Feb 2015 15:05:51 +0000 |
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| -1:000000000000 | 0:e9a9cd732c1e |
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| 1 .TH LIBGVC 3 | |
| 2 .SH NAME | |
| 3 \fBlibgvc\fR \- Graphviz context library | |
| 4 .SH SYNOPSIS | |
| 5 .ta .75i 1.5i 2.25i 3i 3.75i 4.5i 5.25i 6i | |
| 6 .PP | |
| 7 .nf | |
| 8 \f5 | |
| 9 #include <graphviz/gvc.h> | |
| 10 | |
| 11 /* set up a graphviz context */ | |
| 12 extern GVC_t *gvNEWcontext(char **info, char *user); | |
| 13 extern char *gvUsername(void); | |
| 14 | |
| 15 /* set up a graphviz context \(hy alternative */ | |
| 16 /* (wraps the above two functions using info built into libgvc) */ | |
| 17 extern GVC_t *gvContext(void); | |
| 18 | |
| 19 /* parse command line args \(hy minimally argv[0] sets layout engine */ | |
| 20 extern int gvParseArgs(GVC_t *gvc, int argc, char **argv); | |
| 21 extern graph_t *gvNextInputGraph(GVC_t *gvc); | |
| 22 | |
| 23 /* Compute a layout using a specified engine */ | |
| 24 extern int gvLayout(GVC_t *gvc, graph_t *g, char *engine); | |
| 25 | |
| 26 /* Compute a layout using layout engine from command line args */ | |
| 27 extern int gvLayoutJobs(GVC_t *gvc, graph_t *g); | |
| 28 | |
| 29 /* Render layout into string attributes of the graph */ | |
| 30 extern void attach_attrs(graph_t *g); | |
| 31 | |
| 32 /* Parse an html string */ | |
| 33 extern char *agstrdup_html(char *s); | |
| 34 extern int aghtmlstr(char *s); | |
| 35 | |
| 36 /* Render layout in a specified format to an open FILE */ | |
| 37 extern int gvRender(GVC_t *gvc, graph_t *g, char *format, FILE *out); | |
| 38 | |
| 39 /* Render layout in a specified format to an open FILE */ | |
| 40 extern int gvRenderFilename(GVC_t *gvc, graph_t *g, char *format, char *filename); | |
| 41 | |
| 42 /* Render layout according to \-T and \-o options found by gvParseArgs */ | |
| 43 extern int gvRenderJobs(GVC_t *gvc, graph_t *g); | |
| 44 | |
| 45 /* Clean up layout data structures \(hy layouts are not nestable (yet) */ | |
| 46 extern int gvFreeLayout(GVC_t *gvc, graph_t *g); | |
| 47 | |
| 48 /* Clean up graphviz context */ | |
| 49 extern int gvFreeContext(GVC_t *gvc); | |
| 50 | |
| 51 \fP | |
| 52 .fi | |
| 53 .SH DESCRIPTION | |
| 54 \fIlibgvc\fP provides a context for applications wishing to manipulate | |
| 55 and render graphs. It provides a command line parsing, common rendering code, | |
| 56 and a plugin mechanism for renderers. | |
| 57 | |
| 58 .SH SEE ALSO | |
| 59 .BR dot (1), | |
| 60 .BR neato (1), | |
| 61 .BR libcdt (3) | |
| 62 .BR libgraph (3) | |
| 63 .br | |
| 64 | |
| 65 .SH AUTHOR | |
| 66 John Ellson (ellson@research.att.com), AT&T |