From: Emden Gansner <erg@research.att.com>
Date: Mon, 19 Mar 2012 14:09:45 +0000 (-0400)
Subject: Fix bug 2211 and warn about orthogonal edges not handling edge labels.
X-Git-Tag: LAST_LIBGRAPH~32^2~458
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=54c60fdb3665a26beb3d89f88a48835a3d83007e;p=graphviz

Fix bug 2211 and warn about orthogonal edges not handling edge labels.
---

diff --git a/lib/dotgen/dotsplines.c b/lib/dotgen/dotsplines.c
index a573c722a..0e69e8e5a 100644
--- a/lib/dotgen/dotsplines.c
+++ b/lib/dotgen/dotsplines.c
@@ -252,7 +252,7 @@ setEdgeLabelPos (graph_t * g)
 	    else if ((l = ND_label(n))) {// label of regular edge
 		place_vnlabel(n);
 	    }
-	    updateBB(g, l);
+	    if (l) updateBB(g, l);
 	}
     }
 }
diff --git a/lib/ortho/ortho.c b/lib/ortho/ortho.c
index b8cfbdd43..e0ddbe2c1 100644
--- a/lib/ortho/ortho.c
+++ b/lib/ortho/ortho.c
@@ -1284,6 +1284,10 @@ orthoEdges (Agraph_t* g, int doLbls)
 	}
     }
 #endif
+    if (doLbls) {
+	agerr(AGWARN, "Orthogonal edges do not currently handle edge labels. Try using xlabels.\n");
+	doLbls = 0;
+    }
     mp = mkMaze (g, doLbls);
     sg = mp->sg;
 #ifdef DEBUG