+ // then patch up the tangents for the vertices we've moved
+ DuckList duck_list(duckmatic->get_duck_list());
+ for (iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter)
+ {
+ etl::handle<Duck> duck(*iter);
+ if (duck->get_type() == Duck::TYPE_VERTEX || duck->get_type() == Duck::TYPE_POSITION)
+ {
+ ValueNode_BLineCalcVertex::Handle bline_vertex;
+ ValueNode_Composite::Handle composite;
+
+ if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) ||
+ ((composite = ValueNode_Composite::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) &&
+ composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
+ (bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
+ {
+ synfig::Real radius = 0.0;
+ ValueNode_BLine::Handle bline(ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link(bline_vertex->get_link_index_from_name("bline"))));
+ Real amount = synfig::find_closest_point((*bline)(time), duck->get_point(), radius, bline->get_loop());
+
+ int vertex_amount_index(bline_vertex->get_link_index_from_name("amount"));
+ ValueNode::Handle vertex_amount_value_node(bline_vertex->get_link(vertex_amount_index));
+
+ DuckList::iterator iter;
+ for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
+ {
+ ValueNode::Handle duck_value_node((*iter)->get_value_desc().get_value_node());
+ if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(duck_value_node))
+ {
+ if (bline_tangent->get_link(bline_tangent->get_link_index_from_name("amount")) == vertex_amount_value_node)
+ {
+ switch (bline_tangent->get_type())
+ {
+ case ValueBase::TYPE_ANGLE:
+ {
+ Angle angle((*bline_tangent)(time, amount).get(Angle()));
+ (*iter)->set_point(Point(Angle::cos(angle).get(), Angle::sin(angle).get()));
+ break;
+ }
+ case ValueBase::TYPE_REAL:
+ (*iter)->set_point(Point((*bline_tangent)(time, amount).get(Real()), 0));
+ break;
+ case ValueBase::TYPE_VECTOR:
+ (*iter)->set_point((*bline_tangent)(time, amount).get(Vector()));
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ else if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(duck_value_node))
+ {
+ if (bline_width->get_link(bline_width->get_link_index_from_name("amount")) == vertex_amount_value_node)
+ (*iter)->set_point(Point((*bline_width)(time, amount).get(Real()), 0));
+ }
+ }
+ }
+ }
+ }
+