Fix problem with edge anchors in svg

diff --git a/lib/common/emit.c b/lib/common/emit.c
index 2eb3c13a1c1d88750c910b1ebf2a39cd31302dc5..a082eeed3c3eddb2da1e13cae7357d070593acae 100644 (file)
--- a/lib/common/emit.c
+++ b/lib/common/emit.c
@@ -1686,11 +1686,11 @@ static void emit_begin_edge(GVJ_t * job, edge_t * e)
                    nump += pbs_n[i];
                gvrender_ptf_A(job, pbs, pbs, nump);            
            }
+           obj->url_bsplinemap_p = pbs;
+           obj->url_map_shape = MAP_POLYGON;
+           obj->url_map_p = pbs;
+           obj->url_map_n = pbs_n[0];
        }
-       obj->url_bsplinemap_p = pbs;
-       obj->url_map_shape = MAP_POLYGON;
-       obj->url_map_p = pbs;
-       obj->url_map_n = pbs_n[0];
     }
 
 #ifdef WITH_CODEGENS
@@ -1711,13 +1711,15 @@ static void emit_end_edge(GVJ_t * job)
 
     if (obj->url || obj->explicit_tooltip) {
        gvrender_end_anchor(job);
-       for ( nump = obj->url_bsplinemap_n[0], i = 1; i < obj->url_bsplinemap_poly_n; i++) {
-           /* additional polygon maps around remaining bezier pieces */
-            obj->url_map_n = obj->url_bsplinemap_n[i];
-            obj->url_map_p = &(obj->url_bsplinemap_p[nump]);
-           gvrender_begin_anchor(job, obj->url, obj->tooltip, obj->target);
-           gvrender_end_anchor(job);
-           nump += obj->url_bsplinemap_n[i];
+       if (obj->url_bsplinemap_poly_n) {
+           for ( nump = obj->url_bsplinemap_n[0], i = 1; i < obj->url_bsplinemap_poly_n; i++) {
+               /* additional polygon maps around remaining bezier pieces */
+               obj->url_map_n = obj->url_bsplinemap_n[i];
+               obj->url_map_p = &(obj->url_bsplinemap_p[nump]);
+               gvrender_begin_anchor(job, obj->url, obj->tooltip, obj->target);
+               gvrender_end_anchor(job);
+               nump += obj->url_bsplinemap_n[i];
+           }
        }
     }
     obj->url_map_n = 0;       /* null out copy so that it doesn't get freed twice */