#include BrokenEdge::BrokenEdge(Gnome::Canvas::Group & g, Gnome::Canvas::Points p) : Line(g) { if(p.size()==2) { Gnome::Canvas::Points points_with_center; points_with_center.push_back(p[0]); points_with_center.push_back(Gnome::Art::Point( (p[0].get_x()+p[1].get_x())/2+30 , (p[0].get_y()+p[1].get_y())/2 )+30 ); points_with_center.push_back(p[1]); property_points().set_value(points_with_center); } }