From: Barak Itkin <lightningismyname@gmail.com>
Date: Fri, 13 Jul 2012 14:30:50 +0000 (+0300)
Subject: Make sure hole edges are marked as constrained!
X-Git-Tag: p2tc-0.1.0~15
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f62725296132cdb08d266771265e9f56ba0071a6;p=poly2tri-c

Make sure hole edges are marked as constrained!
---

diff --git a/poly2tri-c/refine/cdt.c b/poly2tri-c/refine/cdt.c
index 34e3a38..7dc1d11 100644
--- a/poly2tri-c/refine/cdt.c
+++ b/poly2tri-c/refine/cdt.c
@@ -121,7 +121,8 @@ p2tr_cdt_new (P2tCDT *cdt)
 
         if (! p2tr_point_has_edge_to (start_new, end_new))
           {
-            gboolean constrained = cdt_tri->constrained_edge[edge_index];
+            gboolean constrained = cdt_tri->constrained_edge[edge_index]
+            || cdt_tri->neighbors_[edge_index] == NULL;
             P2trEdge *edge = p2tr_mesh_new_edge (rmesh->mesh, start_new, end_new, constrained);
 
             /* If the edge is constrained, we should add it to the
@@ -157,6 +158,7 @@ p2tr_cdt_new (P2tCDT *cdt)
 
   /* And do an extra flip fix */
   p2tr_cdt_flip_fix (rmesh, new_edges);
+
   p2tr_vedge_set_free (new_edges);
 
   /* Now finally unref the points we added into the map */