+void Union::save(FILE *archivo)
+{
+ char c_id[50], c_caudal[50], c_x[50], c_y[50], c_img[50];
+ sprintf(c_x,"\t\t<x>%d</x>\n",x);
+ sprintf(c_y,"\t\t<y>%d</y>\n",y);
+ sprintf(c_id,"%d",ID);
+ sprintf(c_caudal,"\t\t<caudal>%.2f</caudal>\n", caudal_max);
+ sprintf(c_img,"\t\t<orientacion>%d</orientacion>\n",imgActual);
+ Glib::ustring dato;
+ dato = "\t<union nombre=\""+name+"\" id=\"";
+ dato += c_id;
+ dato += "\">\n";
+ dato += c_caudal;
+ dato += c_img;
+ dato += c_x;
+ dato += c_y;
+ dato += "\t</union>\n";
+ fprintf(archivo,dato.c_str());
+}
+
+bool Union::check_connection()
+{
+ switch (get_img_actual()) {
+ case 0:
+ if ( is_other_connection_area( get_position_x() - 5, get_position_y() +16) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()+5, get_position_y()+16) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()/2, get_position_y()+get_image()->get_height()+5) )
+ return true;
+ break;
+ case 1:
+ if ( is_other_connection_area( get_position_x()-5, get_position_y()+get_image()->get_height()/2) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()-16, get_position_y()-5) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()-16, get_position_y()+get_image()->get_height()+5) )
+ return true;
+ break;
+ case 2:
+ if ( is_other_connection_area( get_position_x()-5, get_position_y()+get_image()->get_height()-16) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()/2, get_position_y()-5) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()+5, get_position_y()+get_image()->get_height()-16) )
+ return true;
+ break;
+ case 3:
+ if ( is_other_connection_area( get_position_x()+16, get_position_y()-5) &&
+ is_other_connection_area( get_position_x()+get_image()->get_width()+5, get_position_y()+get_image()->get_height()/2) &&
+ is_other_connection_area( get_position_x()+16, get_position_y()+get_image()->get_height()+5) )
+ return true;
+ }
+ return false;
+}
+
+bool Union::is_connection_area(int _a, int _b)