Fixed Save bezier feature. Saved samples added

.gitattributes

@@ -910,6 +910,8 @@ Boolean_set_operations_2/examples/Boolean_set_operations_2/amer_k.bps -text
 Boolean_set_operations_2/examples/Boolean_set_operations_2/bezier_traits_adapter2.cpp -text
 Boolean_set_operations_2/examples/Boolean_set_operations_2/char_g.dat -text
 Boolean_set_operations_2/examples/Boolean_set_operations_2/char_m.dat -text
+Boolean_set_operations_2/examples/Boolean_set_operations_2/input_0.bps -text
+Boolean_set_operations_2/examples/Boolean_set_operations_2/input_1.bps -text
 Boolean_set_operations_2/examples/Boolean_set_operations_2/pgn_holes.dat -text
 Boolean_set_operations_2/examples/Boolean_set_operations_2/test.dxf -text svneol=unset#application/octet-stream
 Boolean_set_operations_2/include/CGAL/Boolean_set_operations_2/Gps_on_surface_base_2.h -text

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/boolean_operations_2.cpp

@@ -889,7 +889,7 @@ bool save_circular ( QString aFileName, Circular_polygon_set& rSet )
   return rOK ;
 }
 
-void save_bezier_polygon( std::ostream& out_file, Bezier_polygon const& aBP )
+void save_bezier_polygon( std::ostream& out_file, Bezier_polygon const& aBP, boost::optional<Linear_point>& rLastP )
 {
   out_file << aBP.size() << std::endl ;
   
@@ -905,7 +905,11 @@ void save_bezier_polygon( std::ostream& out_file, Bezier_polygon const& aBP )
     
     for ( Linear_point_vector::const_iterator pit = lQ.begin() ; pit != lQ.end() ; ++ pit )
     {
-      out_file << pit->x() << " " << pit->y() << std::endl ;
+      Linear_point lP = pit == lQ.begin() && !!rLastP ? *rLastP : *pit ;
+      
+      out_file << lP.x() << " " << lP.y() << std::endl ;
+      
+      rLastP = lP ;
     }
   }
 }
@@ -930,10 +934,12 @@ bool save_bezier ( QString aFileName, Bezier_polygon_set const& aSet )
       
       out_file << ( 1 + bpwh.number_of_holes() ) << std::endl ;
   
-      save_bezier_polygon( out_file, bpwh.outer_boundary() ) ;
+      boost::optional<Linear_point> lLastP ;
+      
+      save_bezier_polygon( out_file, bpwh.outer_boundary() , lLastP ) ;
       
       for ( Bezier_polygon_with_holes::Hole_const_iterator hit = bpwh.holes_begin() ; hit != bpwh.holes_end() ; ++ hit )
-        save_bezier_polygon(out_file, *hit);
+        save_bezier_polygon(out_file, *hit, lLastP );
       
       rOK = true ;
     }

Boolean_set_operations_2/demo/Boolean_set_operations_2_GraphicsView/include/CGAL/Qt/BezierCurves.h

@@ -108,7 +108,7 @@ struct Bezier_helper
   }
   
   template<class Bezier_X_monotone_curve, class Output_iterator>
-  static void approximated_clip ( Bezier_X_monotone_curve const& aXMCurve, Output_iterator aOut, double aApproxError = 1e-3 )
+  static void approximated_clip ( Bezier_X_monotone_curve const& aXMCurve, Output_iterator aOut, double aApproxError = 1e-10 )
   {
     typedef typename value_type_traits<Output_iterator>::type Output_point ;
 

Boolean_set_operations_2/examples/Boolean_set_operations_2/input_0.bps

@@ -0,0 +1,48 @@
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+-6.18819 -107.159
+-6.18819 -63.2992

Boolean_set_operations_2/examples/Boolean_set_operations_2/input_1.bps

@@ -0,0 +1,57 @@
+DOUBLE
+1
+1
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