Move live feedback code into duckmatic.

[synfig.git] / synfig-studio / src / gtkmm / duckmatic.cpp

diff --git a/synfig-studio/src/gtkmm/duckmatic.cpp b/synfig-studio/src/gtkmm/duckmatic.cpp
index c1813e7..786aa11 100644 (file)
--- a/synfig-studio/src/gtkmm/duckmatic.cpp
+++ b/synfig-studio/src/gtkmm/duckmatic.cpp
@@ -447,6 +447,75 @@ Duckmatic::start_duck_drag(const synfig::Vector& offset)
        drag_offset_=find_duck(offset)->get_trans_point();
 }
 
+void
+Duckmatic::update_ducks()
+{
+       Time time(get_time());
+       DuckList duck_list(get_duck_list());
+       const DuckList selected_ducks(get_selected_ducks());
+       DuckList::const_iterator iter;
+       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")))))
+                       {
+                               DuckList::iterator iter;
+                               for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
+                                       if ( (*iter)->get_origin_duck()==duck  /*&& !duck_is_selected(*iter)*/ )
+                                       {
+                                               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));
+
+
+                                               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()));
+                                                                       (*iter)->set_rotations(Angle::deg(0)); //hack: rotations are a relative value
+                                                                       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));
+                                               }
+                                       }
+                       }
+               }
+       }
+}
+
+
 bool
 Duckmatic::end_duck_drag()
 {
@@ -561,29 +630,7 @@ DuckDrag_Translate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector
                        (*iter)->set_trans_point(positions[i]+vect, time);
 
        // 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_Composite::Handle composite;
-
-                       if ((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 &&
-                                (ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
-                       {
-                               //! \todo update() will call dynamic cast again, see if we can avoid that
-                               DuckList::iterator iter;
-                               for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
-                                       if ((*iter)->get_origin_duck()==duck 
-                                               && std::find(selected_ducks.begin(), 
-                                                                        selected_ducks.end(), *iter) == selected_ducks.end() )
-                                               (*iter)->update(time);
-                       }
-               }
-       }
+       duckmatic->update_ducks();
 
        last_translate_=vect;
 }