Incorporated reviewers remarks

GraphicsView/include/CGAL/Qt/ConstrainedTriangulationGraphicsItem.h

@@ -17,7 +17,7 @@ class ConstrainedTriangulationGraphicsItem : public TriangulationGraphicsItem<T>
   typedef typename T::Geom_traits Geom_traits;
 public:
   ConstrainedTriangulationGraphicsItem(T  * t_)
-    : TriangulationGraphicsItem<T>(t_)
+    : TriangulationGraphicsItem<T>(t_), visible_constraints(true)
   {
     constraints_pen = this->edgesPen();
     constraints_pen.setColor(::Qt::red);
@@ -35,10 +35,25 @@ public:
     constraints_pen = pen;
   }
 
+  bool visibleConstraints() const
+  {
+    return visible_constraints;
+  }
+
+  void setvisibleConstraints(const bool b)
+  {
+    visible_constraints = b;
+    update();
+  }
+
 protected:
   void drawAll(QPainter *painter);
 
   QPen constraints_pen;
+
+private:
+  bool visible_constraints;
+
 };
 
 template <typename T>
@@ -46,18 +61,19 @@ void
 ConstrainedTriangulationGraphicsItem<T>::drawAll(QPainter *painter)
 {
   this->painterostream = PainterOstream<Geom_traits>(painter);
-  if(this->drawEdges()) {
-    for(typename T::Finite_edges_iterator eit = this->t->finite_edges_begin();
-        eit != this->t->finite_edges_end();
-        ++eit){
-      if(this->t->is_constrained(*eit)){
-        painter->setPen(constraintsPen());
-      } else {
-        painter->setPen(this->edgesPen());
-      }
+  for(typename T::Finite_edges_iterator eit = this->t->finite_edges_begin();
+      eit != this->t->finite_edges_end();
+      ++eit){
+    if(this->t->is_constrained(*eit)){
+      painter->setPen(constraintsPen());
+    } else {
+      painter->setPen(this->edgesPen());
+    }
+    if(this->visibleEdges() || this->visibleConstraints()){
       this->painterostream << this->t->segment(*eit);
     }
   }
+  
   this->paintVertices(painter);
 }
 
@@ -66,16 +82,17 @@ void
 ConstrainedTriangulationGraphicsItem<T>::operator()(typename T::Face_handle fh)
 {
   for (int i=0; i<3; i++) {
-    if (this->drawEdges() &&
-        ( fh < fh->neighbor(i) || this->t->is_infinite(fh->neighbor(i)) ) ) {
+    if ( fh < fh->neighbor(i) || this->t->is_infinite(fh->neighbor(i)) )  {
       if(this->t->is_constrained(typename T::Edge(fh,i))){
         this->m_painter->setPen(constraintsPen());
       } else {
 	this->m_painter->setPen(this->edgesPen());
       }
-      this->painterostream << this->t->segment(fh,i);      
+      if(this->visibleEdges() || this->visibleConstraints()){
+	this->painterostream << this->t->segment(fh,i);
+      }   
     }
-    if(this->drawVertices()) {
+    if(this->visibleVertices()) {
       paintOneVertex(fh->vertex(i)->point());
     }
   }

GraphicsView/include/CGAL/Qt/Converter.h

@@ -103,7 +103,7 @@ public:
     if(const Segment_2 *s = CGAL::object_cast<Segment_2>(&o)){
       return this->operator()(*s);
     } else if(const Point_2 *p = CGAL::object_cast<Point_2>(&o)){
-      return QLineF(operator()(p), operator()(p));
+      return QLineF(operator()(*p), operator()(*p));
     }
     return QLineF();
   }

GraphicsView/include/CGAL/Qt/TriangulationGraphicsItem.h

@@ -143,7 +143,7 @@ void
 TriangulationGraphicsItem<T>::drawAll(QPainter *painter)
 {
   painterostream = PainterOstream<Geom_traits>(painter);
-  if(drawEdges()) {
+  if(visibleEdges()) {
     for(typename T::Finite_edges_iterator eit = t->finite_edges_begin();
         eit != t->finite_edges_end();
         ++eit){
@@ -157,7 +157,7 @@ template <typename T>
 void 
 TriangulationGraphicsItem<T>::paintVertices(QPainter *painter)
 {
-  if(drawVertices()) {
+  if(visibleVertices()) {
     Converter<Geom_traits> convert;
 
     painter->setPen(verticesPen());