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Fix gvc graph generator function

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c9s 2014-06-28 00:53:04 +08:00
parent 72f10015d5
commit da026219be
2 changed files with 15 additions and 11 deletions
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2
include/r3_gvc.h
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@ -11,7 +11,7 @@
#include <gvc.h>
#include "r3.h"
void r3_tree_build_ag_nodes(Agraph_t * g, Agnode_t * ag_parent_node, const node * n, int node_cnt);
void r3_tree_build_ag_nodes(Agraph_t * g, Agnode_t * ag_parent_node, const node * n, int * node_cnt);
int r3_tree_render(const node * tree, const char *layout, const char * format, FILE *fp);

24
src/gvc.c
View file

@ -12,13 +12,13 @@
#include "r3_gvc.h"
#include "zmalloc.h"
void r3_tree_build_ag_nodes(Agraph_t * g, Agnode_t * ag_parent_node, const node * n, int node_cnt) {
edge * e;
void r3_tree_build_ag_nodes(Agraph_t * g, Agnode_t * ag_parent_node, const node * n, int * node_cnt) {
if (!n)
return;
for ( int i = 0 ; i < n->edge_len ; i++ ) {
e = n->edges[i];
node_cnt++;
edge * e = n->edges[i];
(*node_cnt)++;
Agnode_t *agn_child = NULL;
Agedge_t *agn_edge = NULL;
@ -27,7 +27,7 @@ void r3_tree_build_ag_nodes(Agraph_t * g, Agnode_t * ag_parent_node, const node
if ( e && e->child && e->child->combined_pattern ) {
asprintf(&nodename,"%s", e->child->combined_pattern);
} else {
asprintf(&nodename,"#%d", node_cnt);
asprintf(&nodename,"#%d", *node_cnt);
}
agn_child = agnode(g, nodename, 1);
@ -52,11 +52,13 @@ int r3_tree_render(const node * tree, const char *layout, const char * format, F
GVC_t *gvc = NULL;
gvc = gvContext();
/* Create a simple digraph */
g = agopen("g", Agdirected, 0);
// g = agopen("g", Agdirected, 0);
g = agopen("g", Agundirected, 0);
// create self node
Agnode_t *ag_root = agnode(g, "{root}", 1);
r3_tree_build_ag_nodes(g, ag_root, tree, 0);
int n = 0;
r3_tree_build_ag_nodes(g, ag_root, tree, &n);
gvLayout(gvc, g, layout);
gvRender(gvc, g, format, fp);
gvFreeLayout(gvc, g);
@ -96,11 +98,13 @@ int r3_tree_render_file(const node * tree, const char * format, const char * fil
*/
/* Create a simple digraph */
g = agopen("g", Agdirected, 0);
// g = agopen("g", Agdirected, 0);
g = agopen("g", Agundirected, 0);
// create self node
Agnode_t *ag_root = agnode(g, "{root}", 1);
r3_tree_build_ag_nodes(g, ag_root, tree, 0);
int n = 0;
r3_tree_build_ag_nodes(g, ag_root, tree, &n);
gvLayout(gvc, g, "dot");
gvRenderFilename(gvc, g, format, filename);