From c7196917fd3b88db27b183a8b2e74a5706753c0e Mon Sep 17 00:00:00 2001
From: cignoni <paolo.cignoni@isti.cnr.it>
Date: Wed, 3 May 2006 21:38:57 +0000
Subject: [PATCH] Added possibility of not updating the topology during a
 SwapEdge

---
 vcg/simplex/face/topology.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/vcg/simplex/face/topology.h b/vcg/simplex/face/topology.h
index aaa6fb51..7f6b7366 100644
--- a/vcg/simplex/face/topology.h
+++ b/vcg/simplex/face/topology.h
@@ -24,6 +24,9 @@
   History
 
 $Log: not supported by cvs2svn $
+Revision 1.26  2005/12/19 13:47:26  corsini
+Rewrite SwapEdge to fix problems with borders
+
 Revision 1.25  2005/12/16 11:01:26  corsini
 Remove trivial warnings
 
@@ -280,12 +283,15 @@ bool CheckOrientation(FaceType &f, int z)
  * @param z Index of the edge
  */
 template <class FaceType>
+void SwapEdge(FaceType &f, const int z) { SwapEdge<FaceType,true>(f,z); }
+
+template <class FaceType, bool UpdateTopology>
 void SwapEdge(FaceType &f, const int z)
 {
 	// swap V0(z) with V1(z)
 	swap(f.V0(z), f.V1(z));
 
-	if(f.HasFFAdjacency())
+	if(f.HasFFAdjacency() && UpdateTopology)
 	{
 		// store information to preserve topology
 		int z1 = (z+1)%3;