1.1 --- a/gui/broken_edge.cc	Thu Jul 28 17:01:40 2005 +0000
     1.2 +++ b/gui/broken_edge.cc	Thu Jul 28 17:06:13 2005 +0000
     1.3 @@ -45,17 +45,18 @@
     1.4      {
     1.5        //arrow keeps its position-left button
     1.6  
     1.7 -      //       if(p.size()==2)
     1.8 -      // 	{
     1.9 -      // 	  Gnome::Canvas::Points points;
    1.10 -      // 	  my_points[0]=p[0];
    1.11 -      // 	  my_points[2]=p[1];
    1.12 -      // 	  for(int i=0;i<3;i++)
    1.13 -      // 	    {
    1.14 -      // 	      points.push_back(my_points[i]);
    1.15 -      // 	    }
    1.16 -      // 	  property_points().set_value(points);
    1.17 -      // 	}
    1.18 +      if(p.size()==2)
    1.19 +      	{
    1.20 +      	  Gnome::Canvas::Points points;
    1.21 +      	  my_points[0]=p[0];
    1.22 +      	  my_points[2]=p[1];
    1.23 +      	  for(int i=0;i<3;i++)
    1.24 +      	    {
    1.25 +      	      points.push_back(my_points[i]);
    1.26 +      	    }
    1.27 +      	  property_points().set_value(points);
    1.28 +      	}
    1.29 +      set_arrow=true;
    1.30  
    1.31        //////////////////////////////////////////////////////////////////////////////////////////////////////
    1.32        /////////// kepps shape-with angles
    1.33 @@ -184,54 +185,54 @@
    1.34        /////////// kepps shape-with scalar multiplication
    1.35        //////////////////////////////////////////////////////////////////////////////////////////////////////
    1.36  
    1.37 -      if(p.size()==2)
    1.38 -      	{
    1.39 -	  //old vector from one to the other node - a
    1.40 -	  xy<double> a_v(my_points[2].get_x()-my_points[0].get_x(),my_points[2].get_y()-my_points[0].get_y());
    1.41 -	  //new vector from one to the other node - b
    1.42 -	  xy<double> b_v(p[1].get_x()-p[0].get_x(),p[1].get_y()-p[0].get_y());
    1.43 +//       if(p.size()==2)
    1.44 +//       	{
    1.45 +// 	  //old vector from one to the other node - a
    1.46 +// 	  xy<double> a_v(my_points[2].get_x()-my_points[0].get_x(),my_points[2].get_y()-my_points[0].get_y());
    1.47 +// 	  //new vector from one to the other node - b
    1.48 +// 	  xy<double> b_v(p[1].get_x()-p[0].get_x(),p[1].get_y()-p[0].get_y());
    1.49  
    1.50 -	  //old vector from one node to the breakpoint - c
    1.51 -	  xy<double> c_v(my_points[1].get_x()-my_points[0].get_x(),my_points[1].get_y()-my_points[0].get_y());
    1.52 +// 	  //old vector from one node to the breakpoint - c
    1.53 +// 	  xy<double> c_v(my_points[1].get_x()-my_points[0].get_x(),my_points[1].get_y()-my_points[0].get_y());
    1.54  
    1.55 -	  //new vector from one node to the breakpoint - d - we have to calculate this one
    1.56 -	  xy<double> d_v;
    1.57 +// 	  //new vector from one node to the breakpoint - d - we have to calculate this one
    1.58 +// 	  xy<double> d_v;
    1.59  
    1.60 -	  //scalar product of a and b (old and new vector from first point to the other)
    1.61 -	  double sab=a_v*b_v;
    1.62 -	  //scalar product of c and d (old and new vector from first point to breakpoint)
    1.63 -	  double scd=sab*c_v.normSquare()/a_v.normSquare();
    1.64 +// 	  //scalar product of a and b (old and new vector from first point to the other)
    1.65 +// 	  double sab=a_v*b_v;
    1.66 +// 	  //scalar product of c and d (old and new vector from first point to breakpoint)
    1.67 +// 	  double scd=sab*c_v.normSquare()/a_v.normSquare();
    1.68  
    1.69 -	  std::cout<<" a " << a_v<<" b " <<b_v<<" c " <<c_v<<" sab " <<sab<<" scd "<<scd<<std::endl;
    1.70 +// 	  std::cout<<" a " << a_v<<" b " <<b_v<<" c " <<c_v<<" sab " <<sab<<" scd "<<scd<<std::endl;
    1.71  
    1.72 -	  double a=c_v.normSquare();
    1.73 -	  double b=2*scd*c_v.y;
    1.74 -	  double c=scd*scd-b_v.normSquare()/a_v.normSquare()*c_v.normSquare()*c_v.x*c_v.x;
    1.75 +// 	  double a=c_v.normSquare();
    1.76 +// 	  double b=2*scd*c_v.y;
    1.77 +// 	  double c=scd*scd-b_v.normSquare()/a_v.normSquare()*c_v.normSquare()*c_v.x*c_v.x;
    1.78  
    1.79 -	  std::cout<<" a " << a<<" b " <<b<<" c " <<c<<std::endl;
    1.80 +// 	  std::cout<<" a " << a<<" b " <<b<<" c " <<c<<std::endl;
    1.81  
    1.82 -	  d_v.y=(-b-sqrt(b*b-4*a*c))/2/a;
    1.83 +// 	  d_v.y=(-b-sqrt(b*b-4*a*c))/2/a;
    1.84  
    1.85 -	  if(c_v.x!=0)
    1.86 -	    {
    1.87 -	      d_v.x=(scd-c_v.y*d_v.y)/c_v.x;
    1.88 -	    }
    1.89 -	  else
    1.90 -	    {
    1.91 -	      d_v.x=my_points[1].get_x();
    1.92 -	    }
    1.93 +// 	  if(c_v.x!=0)
    1.94 +// 	    {
    1.95 +// 	      d_v.x=(scd-c_v.y*d_v.y)/c_v.x;
    1.96 +// 	    }
    1.97 +// 	  else
    1.98 +// 	    {
    1.99 +// 	      d_v.x=my_points[1].get_x();
   1.100 +// 	    }
   1.101  
   1.102 -	  std::cout<<" d " << d_v<<std::endl;
   1.103 +// 	  std::cout<<" d " << d_v<<std::endl;
   1.104  
   1.105 -	  my_points[1]=Gnome::Art::Point(d_v.x+p[0].get_x(),d_v.y+p[0].get_y());
   1.106 +// 	  my_points[1]=Gnome::Art::Point(d_v.x+p[0].get_x(),d_v.y+p[0].get_y());
   1.107  
   1.108 -	  Gnome::Canvas::Points points;
   1.109 -	  for(int i=0;i<3;i++)
   1.110 -	    {
   1.111 -	      points.push_back(my_points[i]);
   1.112 -	    }
   1.113 -	  property_points().set_value(points);
   1.114 -	}
   1.115 +// 	  Gnome::Canvas::Points points;
   1.116 +// 	  for(int i=0;i<3;i++)
   1.117 +// 	    {
   1.118 +// 	      points.push_back(my_points[i]);
   1.119 +// 	    }
   1.120 +// 	  property_points().set_value(points);
   1.121 +// 	}
   1.122      }
   1.123    if(set_arrow)
   1.124      {