memory cleanup

poly2tri/common/shapes.h

@@ -40,7 +40,6 @@
 
 namespace p2t {
 
-struct Node;
 struct Edge;
 
 struct Point {

poly2tri/sweep/advancing_front.cc

@@ -102,9 +102,6 @@ Node* AdvancingFront::LocatePoint(const Point* point)
 
 AdvancingFront::~AdvancingFront()
 {
-  delete head_;
-  delete search_node_;
-  delete tail_;
 }
 
 }

poly2tri/sweep/sweep.cc

@@ -88,7 +88,6 @@ Node& Sweep::PointEvent(SweepContext& tcx, Point& point)
   // x value than node due to how we fetch nodes from the front
   if (point.x <= node.point->x + EPSILON) {
     Fill(tcx, node);
-    delete &node;
   }
 
   //tcx.AddNode(new_node);
@@ -221,6 +220,7 @@ void Sweep::Fill(SweepContext& tcx, Node& node)
  */
 void Sweep::FillAdvancingFront(SweepContext& tcx, Node& n)
 {
+
   // Fill right holes
   Node* node = n.next;
 
@@ -228,9 +228,7 @@ void Sweep::FillAdvancingFront(SweepContext& tcx, Node& n)
     double angle = HoleAngle(*node);
     if (angle > M_PI_2 || angle < -M_PI_2) break;
     Fill(tcx, *node);
-    Node *temp = node;
     node = node->next;
-    delete temp;
   }
 
   // Fill left holes
@@ -240,9 +238,7 @@ void Sweep::FillAdvancingFront(SweepContext& tcx, Node& n)
     double angle = HoleAngle(*node);
     if (angle > M_PI_2 || angle < -M_PI_2) break;
     Fill(tcx, *node);
-    Node *temp = node;
     node = node->prev;
-    delete temp;
   }
 
   // Fill right basins
@@ -529,22 +525,18 @@ void Sweep::FillBasinReq(SweepContext& tcx, Node* node)
   }
 
   Fill(tcx, *node);
-  Node *temp = node;
 
   if (node->prev == tcx.basin.left_node && node->next == tcx.basin.right_node) {
-    delete node;
     return;
   } else if (node->prev == tcx.basin.left_node) {
     Orientation o = Orient2d(*node->point, *node->next->point, *node->next->next->point);
     if (o == CW) {
-      delete node;
       return;
     }
     node = node->next;
   } else if (node->next == tcx.basin.right_node) {
     Orientation o = Orient2d(*node->point, *node->prev->point, *node->prev->prev->point);
     if (o == CCW) {
-      delete node;
       return;
     }
     node = node->prev;
@@ -557,7 +549,6 @@ void Sweep::FillBasinReq(SweepContext& tcx, Node* node)
     }
   }
 
-  delete temp;
   FillBasinReq(tcx, node);
 }
 
@@ -816,5 +807,14 @@ void Sweep::FlipScanEdgeEvent(SweepContext& tcx, Point& ep, Point& eq, Triangle&
   }
 }
 
+Sweep::~Sweep() {
+
+    // Clean up memory
+    for(int i = 0; i < nodes_.size(); i++) {
+        delete nodes_[i];
+    }
+
+}
+
 }
 

poly2tri/sweep/sweep.h

@@ -53,6 +53,7 @@ class Sweep {
 public:
 
 void Triangulate(SweepContext& tcx);
+~Sweep();
 
 private:
 

poly2tri/sweep/sweep_context.cc

@@ -121,28 +121,23 @@ Node& SweepContext::LocateNode(Point& point)
 
 void SweepContext::CreateAdvancingFront(std::vector<Node*> nodes)
 {
-  Node *head, *middle, *tail;
+
   // Initial triangle
   Triangle* triangle = new Triangle(*points_[0], *tail_, *head_);
 
   map_.push_back(triangle);
 
-  head = new Node(*triangle->GetPoint(1), *triangle);
-  middle = new Node(*triangle->GetPoint(0), *triangle);
-  tail = new Node(*triangle->GetPoint(2));
-  front_ = new AdvancingFront(*head, *tail); 
-  
-  // Memory management :)
-  nodes.push_back(head);
-  nodes.push_back(middle);
-  nodes.push_back(tail);
+  af_head_ = new Node(*triangle->GetPoint(1), *triangle);
+  af_middle_ = new Node(*triangle->GetPoint(0), *triangle);
+  af_tail_ = new Node(*triangle->GetPoint(2));
+  front_ = new AdvancingFront(*af_head_, *af_tail_);
 
   // TODO: More intuitive if head is middles next and not previous?
   //       so swap head and tail
-  head->next = middle;
-  middle->next = tail;
-  middle->prev = head;
-  tail->prev = middle;
+  af_head_->next = af_middle_;
+  af_middle_->next = af_tail_;
+  af_middle_->prev = af_head_;
+  af_tail_->prev = af_middle_;
 }
 
 void SweepContext::RemoveNode(Node* node)
@@ -180,9 +175,27 @@ void SweepContext::MeshClean(Triangle& triangle)
 
 SweepContext::~SweepContext()
 {
+
+    // Clean up memory
+
     delete head_;
     delete tail_;
     delete front_;
+    delete af_head_;
+    delete af_middle_;
+    delete af_tail_;
+
+    typedef std::list<Triangle*> type_list;
+
+    for(type_list::iterator iter = map_.begin(); iter != map_.end(); ++iter) {
+        Triangle* ptr = *iter;
+        delete ptr;
+    }
+
+     for(int i = 0; i < edge_list.size(); i++) {
+        delete edge_list[i];
+    }
+
 }
 
 }

poly2tri/sweep/sweep_context.h

@@ -92,6 +92,7 @@ void MeshClean(Triangle& triangle);
 
 std::vector<Triangle*> GetTriangles();
 std::list<Triangle*> GetMap();
+
 std::vector<Edge*> edge_list;
 
 struct Basin {
@@ -133,7 +134,6 @@ friend class Sweep;
 
 std::vector<Triangle*> triangles_;
 std::list<Triangle*> map_;
-
 std::vector<Point*> points_;
 
 // Advancing front
@@ -143,7 +143,7 @@ Point* head_;
 // tail point used with advancing front
 Point* tail_;
 
-//EdgeEvent edgeEvent = new EdgeEvent();
+Node *af_head_, *af_middle_, *af_tail_;
 
 void InitTriangulation();
 void InitEdges(std::vector<Point*> polyline);

testbed/main.cc

@@ -199,6 +199,7 @@ int main(int argc, char* argv[])
 
   MainLoop(zoom);
 
+  delete cdt;
   ShutDown(0);
   return 0;
 }

wscript

@@ -34,8 +34,8 @@ def configure(conf):
 	print('  calling the configuration')
 	conf.check_tool('g++')
     #conf.env.CXXFLAGS = ['-O0', '-pg', '-g']
-	#conf.env.CXXFLAGS = ['-O0', '-g']
-	conf.env.CXXFLAGS = ['-O3', '-ffast-math']
+	conf.env.CXXFLAGS = ['-O0', '-g']
+	#conf.env.CXXFLAGS = ['-O3', '-ffast-math']
 
 def build(bld):