int main(int argc, char **argv)
{
graph_t *prev = NULL;
int r, rc = 0;
Gvc = gvContextPlugins(lt_preloaded_symbols, DEMAND_LOADING);
GvExitOnUsage = 1;
gvParseArgs(Gvc, argc, argv);
#ifndef _WIN32
signal(SIGUSR1, gvToggle);
signal(SIGINT, intr);
#ifndef NO_FPERR
signal(SIGFPE, fperr);
#endif
#endif
if (MemTest) {
while (MemTest--) {
/* Create a test graph */
G = create_test_graph();
/* Perform layout and cleanup */
gvLayoutJobs(Gvc, G); /* take layout engine from command line */
gvFreeLayout(Gvc, G);
agclose (G);
}
}
else if ((G = gvPluginsGraph(Gvc))) {
gvLayoutJobs(Gvc, G); /* take layout engine from command line */
gvRenderJobs(Gvc, G);
}
else {
while ((G = gvNextInputGraph(Gvc))) {
if (prev) {
gvFreeLayout(Gvc, prev);
agclose(prev);
}
gvLayoutJobs(Gvc, G); /* take layout engine from command line */
gvRenderJobs(Gvc, G);
gvFinalize(Gvc);
r = agreseterrors();
rc = MAX(rc,r);
prev = G;
}
}
r = gvFreeContext(Gvc);
return (MAX(rc,r));
}
__attribute__((used)) char* vizRenderFromString(char *string, char *format) {
GVC_t *context = gvContext();
gvAddLibrary(context, &gvplugin_core_LTX_library);
gvAddLibrary(context, &gvplugin_dot_layout_LTX_library);
Agraph_t *graph = agmemread(string);
gvLayout(context, graph, "dot");
char *result;
unsigned int length;
gvRenderData(context, graph, format, &result, &length);
gvFreeLayout(context, graph);
agclose(graph);
gvFinalize(context);
gvFreeContext(context);
return result;
}
