From 8459fc6485b14523a690e1b2d650bcf0fdbe0a30 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sloriot.ml@gmail.com>
Date: Fri, 3 Aug 2012 15:22:58 +0000
Subject: [PATCH] update the default polyhedron to have indices in simplices so
 that plugin can simply attach properties to them.

---
 Polyhedron/demo/Polyhedron/Polyhedron_type.h  | 22 ++++++++++++---
 .../demo/Polyhedron/Scene_polyhedron_item.cpp | 28 +++++++++++++++++++
 .../demo/Polyhedron/Scene_polyhedron_item.h   |  4 +++
 3 files changed, 50 insertions(+), 4 deletions(-)

diff --git a/Polyhedron/demo/Polyhedron/Polyhedron_type.h b/Polyhedron/demo/Polyhedron/Polyhedron_type.h
index feaf36eda34..c67d6ff227c 100644
--- a/Polyhedron/demo/Polyhedron/Polyhedron_type.h
+++ b/Polyhedron/demo/Polyhedron/Polyhedron_type.h
@@ -22,6 +22,7 @@ private:
   typedef CGAL::HalfedgeDS_vertex_base<Refs, Tag, Point> Pdv_base;
 
   Set_of_indices indices;
+  std::size_t mID;
 public:
   int nb_of_feature_edges;
 
@@ -42,8 +43,11 @@ public:
     return indices;
   }
 
-  Polyhedron_demo_vertex() : Pdv_base(), nb_of_feature_edges(0) {}
-  Polyhedron_demo_vertex(const Point& p) : Pdv_base(p), nb_of_feature_edges(0) {}
+  std::size_t& id()       { return mID; }
+  std::size_t  id() const { return mID; }
+  
+  Polyhedron_demo_vertex() : Pdv_base(), mID(-1), nb_of_feature_edges(0) {}
+  Polyhedron_demo_vertex(const Point& p) : Pdv_base(p), mID(-1), nb_of_feature_edges(0) {}
 };
 
 template <class Refs, class Tprev, class Tvertex, class Tface>
@@ -52,10 +56,11 @@ class Polyhedron_demo_halfedge :
 {
 private:
   bool feature_edge;
+  std::size_t mID;
 public:
 
   Polyhedron_demo_halfedge() 
-    : feature_edge(false) {};
+    : feature_edge(false), mID(-1) {};
 
   bool is_feature_edge() const {
     return feature_edge;
@@ -65,6 +70,10 @@ public:
     feature_edge = b;
     this->opposite()->feature_edge = b;
   }
+  
+  std::size_t& id()       { return mID; }
+  std::size_t  id() const { return mID; }
+
 };
 
 template <class Refs, class T_, class Pln_, class Patch_id_>
@@ -73,11 +82,12 @@ class Polyhedron_demo_face :
 {
 private:
   Patch_id_ patch_id_;
+  std::size_t mID;
 public:
   typedef Patch_id_ Patch_id;
   
   Polyhedron_demo_face() 
-    : patch_id_(1) {}
+    : patch_id_(1), mID(-1) {}
   
   int patch_id() const {
     return patch_id_;
@@ -86,6 +96,10 @@ public:
   void set_patch_id(const int i) {
     patch_id_ = i;
   }
+  
+  std::size_t& id()       { return mID; }
+  std::size_t  id() const { return mID; }
+
 };
 
 template <typename Patch_id>
diff --git a/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp b/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp
index c039393b1e4..7009db4a32f 100644
--- a/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.cpp
@@ -397,4 +397,32 @@ Scene_polyhedron_item::select(double orig_x,
   Base::select(orig_x, orig_y, orig_z, dir_x, dir_y, dir_z);
 }
 
+void Scene_polyhedron_item::update_vertex_indices()
+{
+  std::size_t id=0;
+  for (Polyhedron::Vertex_iterator vit = polyhedron()->vertices_begin(), 
+                                   vit_end = polyhedron()->vertices_end(); vit != vit_end; ++vit)
+  {
+    vit->id()=id++;
+  }
+}
+void Scene_polyhedron_item::update_facet_indices()
+{
+  std::size_t id=0;
+  for (Polyhedron::Facet_iterator  fit = polyhedron()->facets_begin(), 
+                                   fit_end = polyhedron()->facets_end(); fit != fit_end; ++fit)
+  {
+    fit->id()=id++;
+  }  
+}
+void Scene_polyhedron_item::update_halfedge_indices()
+{
+  std::size_t id=0;
+  for (Polyhedron::Halfedge_iterator hit = polyhedron()->halfedges_begin(), 
+                                     hit_end = polyhedron()->halfedges_end(); hit != hit_end; ++hit)
+  {
+    hit->id()=id++;
+  }
+}
+
 #include "Scene_polyhedron_item.moc"
diff --git a/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.h b/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.h
index be73578f0e3..50087729254 100644
--- a/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.h
+++ b/Polyhedron/demo/Polyhedron/Scene_polyhedron_item.h
@@ -66,6 +66,10 @@ public slots:
               double dir_y,
               double dir_z);
 
+  void update_vertex_indices();
+  void update_facet_indices();
+  void update_halfedge_indices();
+
 signals:
   void selected_vertex(void*);
   void selected_facet(void*);