+ synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
+
+ Layer::Handle layer;
+
+ Canvas::Handle canvas;
+ int depth(0);
+
+ // we are temporarily using the layer to hold something
+ layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
+ if(layer)
+ {
+ depth=layer->get_depth();
+ canvas=layer->get_canvas();
+ }
+
+ synfigapp::SelectionManager::LayerList layer_selection;
+ if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
+ layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
+
+ const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
+
+ std::vector<BLinePoint> new_list;
+ std::list<synfig::Point>::iterator iter;
+ int i;
+ for(i=0,iter=polygon_point_list.begin();iter!=polygon_point_list.end();++iter,++i)
+ {
+ *iter = transform.unperform(*iter);
+ new_list.push_back(*(new BLinePoint));
+ new_list[i].set_width(1);
+ new_list[i].set_vertex(*iter);
+ new_list[i].set_tangent(Point(0,0));
+ }
+
+ ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
+ assert(value_node_bline);
+
+ ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
+ assert(value_node_origin);
+
+ // Set the looping flag
+ value_node_bline->set_loop(true);
+
+ if(!canvas)
+ canvas=get_canvas_view()->get_canvas();
+
+ value_node_bline->set_member_canvas(canvas);
+
+ // count how many layers we're going to be creating
+ int layers_to_create = this->layers_to_create();
+
+ ///////////////////////////////////////////////////////////////////////////
+ // P O L Y G O N
+ ///////////////////////////////////////////////////////////////////////////
+
+ if (get_layer_polygon_flag())
+ {
+ layer=get_canvas_interface()->add_layer_to("polygon",canvas,depth);
+ if (!layer)
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+ group.cancel();
+ return;
+ }
+ layer_selection.push_back(layer);
+
+ layer->set_param("invert",get_invert());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+ if(get_feather())
+ {
+ layer->set_param("feather",get_feather());
+ get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
+ }
+
+ layer->set_description(get_id());
+ get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+ layer->disconnect_dynamic_param("vector_list");
+ if(!layer->set_param("vector_list",polygon_point_list))
+ {
+ group.cancel();
+ get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
+ return;
+ }
+
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescConvert"));
+ synfigapp::ValueDesc value_desc(layer,"vector_list");
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("value_desc",value_desc);
+ action->set_param("type","dynamic_list");
+ action->set_param("time",get_canvas_interface()->get_time());
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ group.cancel();
+ get_canvas_view()->get_ui_interface()->error("Unable to execute action \"ValueDescConvert\"");
+ return;
+ }
+ }
+
+ // only link the polygon's origin parameter if the option is selected and we're creating more than one layer
+ if (get_layer_link_origins_flag() && layers_to_create > 1)
+ {
+ synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+ if(!action->set_param("param",String("origin")))
+ synfig::error("LayerParamConnect didn't like \"param\"");
+ if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+ synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+ if(!get_canvas_interface()->get_instance()->perform_action(action))
+ {
+ get_canvas_view()->get_ui_interface()->error(_("Unable to create Polygon layer"));
+ group.cancel();
+ throw String(_("Unable to create Polygon layer"));
+ return;
+ }
+ }
+ }
+
+ ///////////////////////////////////////////////////////////////////////////
+ // C U R V E G R A D I E N T
+ ///////////////////////////////////////////////////////////////////////////
+
+ if(get_layer_curve_gradient_flag())
+ {
+ synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+ Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
+ if (!layer)