Remove ancient trunk folder from svn repository
[synfig.git] / synfig-studio / trunk / src / gtkmm / state_draw.cpp
diff --git a/synfig-studio/trunk/src/gtkmm/state_draw.cpp b/synfig-studio/trunk/src/gtkmm/state_draw.cpp
deleted file mode 100644 (file)
index 4d053bc..0000000
+++ /dev/null
@@ -1,2032 +0,0 @@
-/* === S Y N F I G ========================================================= */
-/*!    \file state_draw.cpp
-**     \brief Template File
-**
-**     $Id$
-**
-**     \legal
-**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**     Copyright (c) 2007 Chris Moore
-**
-**     This package is free software; you can redistribute it and/or
-**     modify it under the terms of the GNU General Public License as
-**     published by the Free Software Foundation; either version 2 of
-**     the License, or (at your option) any later version.
-**
-**     This package is distributed in the hope that it will be useful,
-**     but WITHOUT ANY WARRANTY; without even the implied warranty of
-**     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-**     General Public License for more details.
-**     \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-#      include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-#      include <config.h>
-#endif
-
-#include <gtkmm/dialog.h>
-#include <gtkmm/entry.h>
-
-#include <synfig/valuenode_dynamiclist.h>
-
-#include "state_draw.h"
-#include "state_stroke.h"
-#include "canvasview.h"
-#include "workarea.h"
-#include "app.h"
-#include <synfig/valuenode_bline.h>
-#include <synfig/valuenode_composite.h>
-#include <ETL/hermite>
-#include <ETL/calculus>
-#include <utility>
-#include "event_mouse.h"
-#include "event_layerclick.h"
-#include "toolbox.h"
-
-#include <synfigapp/blineconvert.h>
-#include <synfigapp/main.h>
-
-#include <ETL/gaussian>
-#include "dialog_tooloptions.h"
-
-#include <gtkmm/table.h>
-#include <gtkmm/label.h>
-#include <gtkmm/button.h>
-#include <gtkmm/checkbutton.h>
-#include <gtkmm/scale.h>
-#include <sigc++/connection.h>
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace studio;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-StateDraw studio::state_draw;
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-class studio::StateDraw_Context : public sigc::trackable
-{
-       typedef etl::smart_ptr<std::list<synfig::Point> > StrokeData;
-       typedef etl::smart_ptr<std::list<synfig::Real> > WidthData;
-
-       typedef list< pair<StrokeData,WidthData> > StrokeQueue;
-
-       StrokeQueue stroke_queue;
-
-
-       etl::handle<CanvasView> canvas_view_;
-       CanvasView::IsWorking is_working;
-
-       bool prev_table_status;
-       bool loop_;
-       bool prev_workarea_layer_status_;
-
-       int nested;
-       sigc::connection process_queue_connection;
-
-       ValueNode_BLine::Handle last_stroke;
-       synfig::String last_stroke_id;
-
-       Gtk::Menu menu;
-
-       //Duckmatic::Push duckmatic_push;
-
-       std::list< etl::smart_ptr<std::list<synfig::Point> > > stroke_list;
-
-       void refresh_ducks();
-
-       Duckmatic::Type old_duckmask;
-
-       void fill_last_stroke();
-       Smach::event_result fill_last_stroke_and_unselect_other_layers();
-
-       Smach::event_result new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius);
-
-       Smach::event_result new_region(std::list<synfig::BLinePoint> bline,synfig::Real radius);
-
-       Smach::event_result extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
-       Smach::event_result extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
-       void reverse_bline(std::list<synfig::BLinePoint> &bline);
-
-       synfigapp::Settings& settings;
-
-       Gtk::Table options_table;
-       Gtk::Entry entry_id;
-       Gtk::CheckButton checkbutton_pressure_width;
-       Gtk::CheckButton checkbutton_round_ends;
-       Gtk::CheckButton checkbutton_auto_loop;   // whether to loop new strokes which start and end in the same place
-       Gtk::CheckButton checkbutton_auto_extend; // whether to extend existing lines
-       Gtk::CheckButton checkbutton_auto_link;   // whether to link new ducks to existing ducks
-       Gtk::CheckButton checkbutton_region;      // whether to create regions
-       Gtk::CheckButton checkbutton_outline;     // whether to create outlines
-       Gtk::CheckButton checkbutton_auto_export;
-       Gtk::Button button_fill_last_stroke;
-
-       //pressure spinner and such
-       Gtk::Adjustment  adj_min_pressure;
-       Gtk::SpinButton  spin_min_pressure;
-       Gtk::CheckButton check_min_pressure;
-
-       Gtk::Adjustment  adj_feather;
-       Gtk::SpinButton  spin_feather;
-
-       Gtk::Adjustment  adj_globalthres;
-       Gtk::SpinButton  spin_globalthres;
-
-       Gtk::Adjustment  adj_localthres;
-       Gtk::CheckButton check_localerror;
-       void UpdateErrorBox();  //switches the stuff if need be :)
-
-       //Added by Adrian - data drive HOOOOO
-       synfigapp::BLineConverter blineconv;
-
-public:
-       synfig::String get_id()const { return entry_id.get_text(); }
-       void set_id(const synfig::String& x) { return entry_id.set_text(x); }
-
-       bool get_pressure_width_flag()const { return checkbutton_pressure_width.get_active(); }
-       void set_pressure_width_flag(bool x) { return checkbutton_pressure_width.set_active(x); }
-
-       bool get_auto_loop_flag()const { return checkbutton_auto_loop.get_active(); }
-       void set_auto_loop_flag(bool x) { return checkbutton_auto_loop.set_active(x); }
-
-       bool get_auto_extend_flag()const { return checkbutton_auto_extend.get_active(); }
-       void set_auto_extend_flag(bool x) { return checkbutton_auto_extend.set_active(x); }
-
-       bool get_auto_link_flag()const { return checkbutton_auto_link.get_active(); }
-       void set_auto_link_flag(bool x) { return checkbutton_auto_link.set_active(x); }
-
-       bool get_region_flag()const { return checkbutton_region.get_active(); }
-       void set_region_flag(bool x) { return checkbutton_region.set_active(x); }
-
-       bool get_outline_flag()const { return checkbutton_outline.get_active(); }
-       void set_outline_flag(bool x) { return checkbutton_outline.set_active(x); }
-
-       bool get_auto_export_flag()const { return checkbutton_auto_export.get_active(); }
-       void set_auto_export_flag(bool x) { return checkbutton_auto_export.set_active(x); }
-
-       Real get_min_pressure() const { return adj_min_pressure.get_value(); }
-       void set_min_pressure(Real x) { return adj_min_pressure.set_value(x); }
-
-       Real get_feather() const { return adj_feather.get_value(); }
-       void set_feather(Real x) { return adj_feather.set_value(x); }
-
-       Real get_gthres() const { return adj_globalthres.get_value(); }
-       void set_gthres(Real x) { return adj_globalthres.set_value(x); }
-
-       Real get_lthres() const { return adj_localthres.get_value(); }
-       void set_lthres(Real x) { return adj_localthres.set_value(x); }
-
-       bool get_local_error_flag() const { return check_localerror.get_active(); }
-       void set_local_error_flag(bool x) { check_localerror.set_active(x); }
-
-       bool get_min_pressure_flag()const { return check_min_pressure.get_active(); }
-       void set_min_pressure_flag(bool x) { check_min_pressure.set_active(x); }
-
-       void load_settings();
-       void save_settings();
-       void increment_id();
-
-       Smach::event_result event_stop_handler(const Smach::event& x);
-
-       Smach::event_result event_refresh_handler(const Smach::event& x);
-
-       Smach::event_result event_mouse_down_handler(const Smach::event& x);
-
-       Smach::event_result event_stroke(const Smach::event& x);
-       Smach::event_result event_refresh_tool_options(const Smach::event& x);
-       void refresh_tool_options();
-
-       Smach::event_result process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag=false);
-
-       bool process_queue();
-
-
-       StateDraw_Context(CanvasView* canvas_view);
-
-       ~StateDraw_Context();
-
-       const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
-       etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
-       synfig::Time get_time()const { return get_canvas_interface()->get_time(); }
-       synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
-       WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
-
-       //void on_user_click(synfig::Point point);
-
-//     bool run();
-};     // END of class StateDraw_Context
-
-
-/* === M E T H O D S ======================================================= */
-
-StateDraw::StateDraw():
-       Smach::state<StateDraw_Context>("draw")
-{
-       insert(event_def(EVENT_STOP,&StateDraw_Context::event_stop_handler));
-       insert(event_def(EVENT_REFRESH,&StateDraw_Context::event_refresh_handler));
-       insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateDraw_Context::event_mouse_down_handler));
-       insert(event_def(EVENT_WORKAREA_STROKE,&StateDraw_Context::event_stroke));
-       insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateDraw_Context::event_refresh_tool_options));
-}
-
-StateDraw::~StateDraw()
-{
-}
-
-
-void
-StateDraw_Context::load_settings()
-{
-       String value;
-
-       if(settings.get_value("draw.id",value))
-               set_id(value);
-       else
-               set_id("NewDrawing");
-
-       if(settings.get_value("draw.pressure_width",value) && value=="0")
-               set_pressure_width_flag(false);
-       else
-               set_pressure_width_flag(true);
-
-       if(settings.get_value("draw.auto_loop",value) && value=="0")
-               set_auto_loop_flag(false);
-       else
-               set_auto_loop_flag(true);
-
-       if(settings.get_value("draw.auto_extend",value) && value=="0")
-               set_auto_extend_flag(false);
-       else
-               set_auto_extend_flag(true);
-
-       if(settings.get_value("draw.auto_link",value) && value=="0")
-               set_auto_link_flag(false);
-       else
-               set_auto_link_flag(true);
-
-       if(settings.get_value("draw.region",value) && value=="0")
-               set_region_flag(false);
-       else
-               set_region_flag(true);
-
-       if(settings.get_value("draw.outline",value) && value=="0")
-               set_outline_flag(false);
-       else
-               set_outline_flag(true);
-
-       if(settings.get_value("draw.auto_export",value) && value=="1")
-               set_auto_export_flag(true);
-       else
-               set_auto_export_flag(false);
-
-       if(settings.get_value("draw.min_pressure_on",value) && value=="0")
-               set_min_pressure_flag(false);
-       else
-               set_min_pressure_flag(true);
-
-       if(settings.get_value("draw.min_pressure",value))
-       {
-               Real n = atof(value.c_str());
-               set_min_pressure(n);
-       }else
-               set_min_pressure(0);
-
-       if(settings.get_value("draw.feather",value))
-       {
-               Real n = atof(value.c_str());
-               set_feather(n);
-       }else
-               set_feather(0);
-
-       if(settings.get_value("draw.gthreshold",value))
-       {
-               Real n = atof(value.c_str());
-               set_gthres(n);
-       }
-
-       if(settings.get_value("draw.lthreshold",value))
-       {
-               Real n = atof(value.c_str());
-               set_lthres(n);
-       }
-
-       if(settings.get_value("draw.localize",value) && value == "1")
-               set_local_error_flag(true);
-       else
-               set_local_error_flag(false);
-}
-
-void
-StateDraw_Context::save_settings()
-{
-       settings.set_value("draw.id",get_id().c_str());
-       settings.set_value("draw.pressure_width",get_pressure_width_flag()?"1":"0");
-       settings.set_value("draw.auto_loop",get_auto_loop_flag()?"1":"0");
-       settings.set_value("draw.auto_extend",get_auto_extend_flag()?"1":"0");
-       settings.set_value("draw.auto_link",get_auto_link_flag()?"1":"0");
-       settings.set_value("draw.region",get_region_flag()?"1":"0");
-       settings.set_value("draw.outline",get_outline_flag()?"1":"0");
-       settings.set_value("draw.auto_export",get_auto_export_flag()?"1":"0");
-       settings.set_value("draw.min_pressure",strprintf("%f",get_min_pressure()));
-       settings.set_value("draw.feather",strprintf("%f",get_feather()));
-       settings.set_value("draw.min_pressure_on",get_min_pressure_flag()?"1":"0");
-       settings.set_value("draw.gthreshold",strprintf("%f",get_gthres()));
-       settings.set_value("draw.lthreshold",strprintf("%f",get_lthres()));
-       settings.set_value("draw.localize",get_local_error_flag()?"1":"0");
-}
-
-void
-StateDraw_Context::increment_id()
-{
-       String id(get_id());
-       int number=1;
-       int digits=0;
-
-       if(id.empty())
-               id="Drawing";
-
-       // If there is a number
-       // already at the end of the
-       // id, then remove it.
-       if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
-       {
-               // figure out how many digits it is
-               for (digits = 0;
-                        (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
-                        digits++)
-                       ;
-
-               String str_number;
-               str_number=String(id,id.size()-digits,id.size());
-               id=String(id,0,id.size()-digits);
-               // synfig::info("---------------- \"%s\"",str_number.c_str());
-
-               number=atoi(str_number.c_str());
-       }
-       else
-       {
-               number=1;
-               digits=3;
-       }
-
-       number++;
-
-       // Add the number back onto the id
-       {
-               const String format(strprintf("%%0%dd",digits));
-               id+=strprintf(format.c_str(),number);
-       }
-
-       // Set the ID
-       set_id(id);
-}
-
-StateDraw_Context::StateDraw_Context(CanvasView* canvas_view):
-       canvas_view_(canvas_view),
-       is_working(*canvas_view),
-       loop_(false),
-       prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
-       settings(synfigapp::Main::get_selected_input_device()->settings()),
-       entry_id(),
-       checkbutton_pressure_width(_("Pressure Width")),
-       checkbutton_auto_loop(_("Auto Loop")),
-       checkbutton_auto_extend(_("Auto Extend")),
-       checkbutton_auto_link(_("Auto Link")),
-       checkbutton_region(_("Create Region BLine")),
-       checkbutton_outline(_("Create Outline BLine")),
-       checkbutton_auto_export(_("Auto Export")),
-       button_fill_last_stroke(_("Fill Last Stroke")),
-       adj_min_pressure(0,0,1,0.01,0.1),
-       spin_min_pressure(adj_min_pressure,0.1,3),
-       check_min_pressure(_("Min Pressure")),
-       adj_feather(0,0,10000,0.01,0.1),
-       spin_feather(adj_feather,0.01,4),
-       adj_globalthres(.70f,0.01,10000,0.01,0.1),
-       spin_globalthres(adj_globalthres,0.01,3),
-       adj_localthres(20,1,100000,0.1,1),
-       check_localerror(_("LocalError"))
-
-{
-       nested=0;
-       load_settings();
-
-       UpdateErrorBox();
-
-       options_table.attach(*manage(new Gtk::Label(_("Draw Tool"))),   0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(entry_id,                                                                  0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_outline,                                               0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_region,                                                0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_loop,                                             0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_extend,                                   0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_link,                                             0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_auto_export,                                   0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(checkbutton_pressure_width,                                0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(check_localerror,                                                  0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       options_table.attach(check_min_pressure,                                                0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_min_pressure,                                                 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       options_table.attach(*manage(new Gtk::Label(_("Smooth"))),              0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_globalthres,                                                  1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       options_table.attach(*manage(new Gtk::Label(_("Feather"))),     0, 1, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_feather,                                                              1, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       //options_table.attach(button_fill_last_stroke, 0, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       button_fill_last_stroke.signal_pressed().connect(sigc::mem_fun(*this,&StateDraw_Context::fill_last_stroke));
-       check_localerror.signal_toggled().connect(sigc::mem_fun(*this,&StateDraw_Context::UpdateErrorBox));
-
-       options_table.show_all();
-       refresh_tool_options();
-       //App::dialog_tool_options->set_widget(options_table);
-       App::dialog_tool_options->present();
-
-
-       old_duckmask=get_work_area()->get_type_mask();
-       get_work_area()->set_type_mask(Duck::TYPE_ALL-Duck::TYPE_TANGENT-Duck::TYPE_WIDTH);
-
-       // Turn off layer clicking
-       get_work_area()->set_allow_layer_clicks(false);
-
-       // Turn off duck clicking
-       get_work_area()->set_allow_duck_clicks(false);
-
-       // clear out the ducks
-       //get_work_area()->clear_ducks();
-
-       // Refresh the work area
-       //get_work_area()->queue_draw();
-
-       // Hide the tables if they are showing
-       prev_table_status=get_canvas_view()->tables_are_visible();
-       //if(prev_table_status)get_canvas_view()->hide_tables();
-
-       // Disable the time bar
-       get_canvas_view()->set_sensitive_timebar(false);
-
-       // Connect a signal
-       //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateDraw_Context::on_user_click));
-
-       get_canvas_view()->work_area->set_cursor(Gdk::PENCIL);
-
-       App::toolbox->refresh();
-
-       refresh_ducks();
-}
-
-
-void StateDraw_Context::UpdateErrorBox()
-{
-       if(get_local_error_flag())
-       {
-               spin_globalthres.set_adjustment(adj_localthres);
-               spin_globalthres.set_value(adj_localthres.get_value());
-               spin_globalthres.set_increments(0.1,1);
-       }else
-       {
-               spin_globalthres.set_adjustment(adj_globalthres);
-               spin_globalthres.set_value(adj_globalthres.get_value());
-               spin_globalthres.set_increments(0.01,.1);
-       }
-
-       spin_globalthres.update();
-}
-
-void
-StateDraw_Context::refresh_tool_options()
-{
-       App::dialog_tool_options->clear();
-       App::dialog_tool_options->set_widget(options_table);
-       App::dialog_tool_options->set_local_name(_("Draw Tool"));
-       App::dialog_tool_options->set_name("draw");
-
-       App::dialog_tool_options->add_button(
-               Gtk::StockID("synfig-fill"),
-               _("Fill Last Stroke")
-       )->signal_clicked().connect(
-               sigc::mem_fun(
-                       *this,
-                       &StateDraw_Context::fill_last_stroke));
-}
-
-Smach::event_result
-StateDraw_Context::event_refresh_tool_options(const Smach::event& /*x*/)
-{
-       refresh_tool_options();
-       return Smach::RESULT_ACCEPT;
-}
-
-StateDraw_Context::~StateDraw_Context()
-{
-       save_settings();
-
-       App::dialog_tool_options->clear();
-
-       get_work_area()->set_type_mask(old_duckmask);
-
-       get_canvas_view()->work_area->reset_cursor();
-
-       // Restore layer clicking
-       get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
-
-       // Restore duck clicking
-       get_work_area()->set_allow_duck_clicks(true);
-
-       // Enable the time bar
-       get_canvas_view()->set_sensitive_timebar(true);
-
-       // Bring back the tables if they were out before
-       if(prev_table_status)get_canvas_view()->show_tables();
-
-       // Refresh the work area
-       get_work_area()->queue_draw();
-
-       App::toolbox->refresh();
-}
-
-Smach::event_result
-StateDraw_Context::event_stop_handler(const Smach::event& /*x*/)
-{
-       throw Smach::egress_exception();
-}
-
-Smach::event_result
-StateDraw_Context::event_refresh_handler(const Smach::event& /*x*/)
-{
-       refresh_ducks();
-       return Smach::RESULT_ACCEPT;
-}
-
-Smach::event_result
-StateDraw_Context::event_mouse_down_handler(const Smach::event& x)
-{
-       const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
-       switch(event.button)
-       {
-       case BUTTON_LEFT:
-               {
-                       // Enter the stroke state to get the stroke
-                       get_canvas_view()->get_smach().push_state(&state_stroke);
-                       return Smach::RESULT_ACCEPT;
-               }
-
-       default:
-               return Smach::RESULT_OK;
-       }
-}
-
-#define SIMILAR_TANGENT_THRESHOLD      (0.2)
-
-struct debugclass
-{
-       synfig::String x;
-       debugclass(const synfig::String &x):x(x)
-       {
-//             synfig::warning(">>>>>>>>>>>>>>>>>>> "+x);
-       }
-       ~debugclass()
-       {
-//             synfig::warning("<<<<<<<<<<<<<<<<<<< "+x);
-       }
-};
-
-struct DepthCounter
-{
-       int &i;
-       DepthCounter(int &i):i(i) { i++; }
-       ~DepthCounter() { i--; }
-};
-
-Smach::event_result
-StateDraw_Context::event_stroke(const Smach::event& x)
-{
-//     debugclass debugger("StateDraw_Context::event_stroke(const Smach::event& x)");
-
-       const EventStroke& event(*reinterpret_cast<const EventStroke*>(&x));
-
-       assert(event.stroke_data);
-
-       get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_outline_color());
-
-       if(nested==0)
-       {
-               DirtyTrap dirty_trap(get_work_area());
-               Smach::event_result result;
-               result=process_stroke(event.stroke_data,event.width_data,event.modifier&Gdk::CONTROL_MASK || event.modifier&Gdk::BUTTON2_MASK);
-               process_queue();
-               return result;
-       }
-
-       stroke_queue.push_back(pair<StrokeData,WidthData>(event.stroke_data,event.width_data));
-
-       return Smach::RESULT_ACCEPT;
-}
-
-bool
-StateDraw_Context::process_queue()
-{
-//     debugclass debugger("StateDraw_Context::process_queue()");
-       if(nested)
-               return true;
-       DepthCounter depth_counter(nested);
-       while(!stroke_queue.empty())
-       {
-               pair<StrokeData,WidthData> front(stroke_queue.front());
-               process_stroke(front.first,front.second);
-               stroke_queue.pop_front();
-       }
-       return false;
-}
-
-Smach::event_result
-StateDraw_Context::process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag)
-{
-//     debugclass debugger("StateDraw_Context::process_stroke");
-       DepthCounter depth_counter(nested);
-
-       const float radius(synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc())+(abs(get_work_area()->get_pw())+abs(get_work_area()->get_ph()))*5);
-
-
-       // If we aren't using pressure width,
-       // then set all the width to 1
-       if(!get_pressure_width_flag())
-       {
-               std::list<synfig::Real>::iterator iter;
-               for(iter=width_data->begin();iter!=width_data->end();++iter)
-               {
-                       *iter=1.0;
-               }
-       }
-
-       //get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_outline_color());
-       //stroke_list.push_back(event.stroke_data);
-       //refresh_ducks();
-
-       std::list<synfig::BLinePoint> bline;
-       bool loop_bline_flag(false);
-
-       //Changed by Adrian - use resident class :)
-       //synfigapp::convert_stroke_to_bline(bline, *event.stroke_data,*event.width_data, synfigapp::Main::get_bline_width());
-       blineconv.width = synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc());
-
-       if(get_local_error_flag())
-       {
-               float pw = get_work_area()->get_pw();
-               float ph = get_work_area()->get_ph();
-
-               blineconv.pixelwidth = sqrt(pw*pw+ph*ph);
-               blineconv.smoothness = get_lthres();
-       }else
-       {
-               blineconv.pixelwidth = 1;
-               blineconv.smoothness = get_gthres();
-       }
-
-       blineconv(bline,*stroke_data,*width_data);
-
-       //Postprocess to require minimum pressure
-       if(get_min_pressure_flag())
-       {
-               synfigapp::BLineConverter::EnforceMinWidth(bline,get_min_pressure());
-       }
-
-       // If the start and end points are similar, then make them the same point
-       if (get_auto_loop_flag() &&
-               bline.size() > 2 &&
-               (bline.front().get_vertex() - bline.back().get_vertex()).mag() <= radius)
-       {
-               loop_bline_flag=true;
-               Vector tangent;
-               Real width(0);
-
-               while (bline.size() > 2 &&
-                          (bline.front().get_vertex() - bline.back().get_vertex()).mag() <= radius)
-               {
-                       tangent=bline.back().get_tangent1();
-                       width=bline.back().get_width();
-                       bline.pop_back();
-               }
-
-               if(abs(bline.front().get_tangent1().norm()*tangent.norm().perp())>SIMILAR_TANGENT_THRESHOLD)
-               {
-                       // If the tangents are not similar, then
-                       // split the tangents
-                       bline.front().set_split_tangent_flag(true);
-                       bline.front().set_tangent1(tangent);
-               }
-               else
-               {
-                       // If the tangents are similar, then set the tangent
-                       // to the average of the two
-                       bline.front().set_tangent((tangent+bline.front().get_tangent1())*0.5f);
-               }
-
-               // Add the widths of the two points
-               {
-                       Real tmp_width(bline.front().get_width()+width);
-                       tmp_width=tmp_width<=1?tmp_width:1;
-                       bline.front().set_width(tmp_width);
-               }
-       }
-
-       // If the bline only has one blinepoint, then there is nothing to do.
-       if(bline.size() < 2)
-       {
-               // hide the 'stroke' line we were drawing, unless the user
-               // explicitly requests that they are kept
-               if (!getenv("SYNFIG_KEEP_ABORTED_DRAW_LINES"))
-                       refresh_ducks();
-
-               return Smach::RESULT_OK;
-       }
-
-       if(region_flag)
-               return new_region(bline,radius);
-
-       return new_bline(bline,loop_bline_flag,radius);
-}
-
-Smach::event_result
-StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius)
-{
-       synfigapp::SelectionManager::LayerList layer_list = get_canvas_view()->get_selection_manager()->get_selected_layers();
-
-       // Create the action group
-       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Sketch BLine"));
-
-       bool shift_origin = false;
-       Vector shift_origin_vector;
-       bool join_start_no_extend=false,join_finish_no_extend=false;
-       synfigapp::ValueDesc start_duck_value_desc,finish_duck_value_desc;
-       bool extend_start=false,extend_finish=false,complete_loop=false;
-       bool extend_start_join_same=false,extend_start_join_different=false;
-       bool extend_finish_join_same=false,extend_finish_join_different=false;
-       int start_duck_index = 0,finish_duck_index = 0; // initialized to keep the compiler happy; shouldn't be needed though
-       ValueNode_BLine::Handle start_duck_value_node_bline=NULL,finish_duck_value_node_bline=NULL;
-
-       // Find any ducks at the start or end that we might attach to
-       // (this used to only run if we didn't just draw a loop - ie. !loop_bline_flag
-       // but having loops auto-connect can be useful as well)
-       if(get_auto_extend_flag() || get_auto_link_flag())
-       {
-               etl::handle<Duck> start_duck(get_work_area()->find_duck(bline.front().get_vertex(),radius,Duck::TYPE_VERTEX));
-               etl::handle<Duck> finish_duck(get_work_area()->find_duck(bline.back().get_vertex(),radius,Duck::TYPE_VERTEX));
-
-               // check whether the start of the new line extends an
-               // existing line.  this is only the case if the new
-               // line isn't a self-contained loop, and if the new
-               // line starts at one of the ends of an existing line
-               if(start_duck)do
-               {
-                       if(!(start_duck_value_desc=start_duck->get_value_desc()))break;
-                       if(loop_bline_flag)break; // loops don't extend anything
-                       if(!start_duck_value_desc.parent_is_value_node())break;
-                       start_duck_index=start_duck_value_desc.get_index(); // which point on the line did we start drawing at
-                       start_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(start_duck_value_desc.get_parent_value_node());
-                       if(!get_auto_extend_flag())break;
-
-                       // don't extend looped blines
-                       if(start_duck_value_node_bline&&!start_duck_value_node_bline->get_loop()&&
-                          // did we start drawing at either end of the line?
-                          (start_duck_index==0||start_duck_index==start_duck_value_node_bline->link_count()-1))
-                       {
-                               extend_start=true;
-                               shift_origin=true;
-                               shift_origin_vector=start_duck->get_origin();
-                       }
-               }while(0);
-
-               // check whether the end of the new line extends an
-               // existing line.  this is only the case if the new
-               // line isn't a self-contained loop, and if the new
-               // line ends at one of the ends of an existing line
-               if(finish_duck)do
-               {
-                       if(!(finish_duck_value_desc=finish_duck->get_value_desc()))break;
-                       if(loop_bline_flag)break;
-                       if(!finish_duck_value_desc.parent_is_value_node())break;
-                       finish_duck_index=finish_duck_value_desc.get_index();
-                       finish_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(finish_duck_value_desc.get_parent_value_node());
-                       if(!get_auto_extend_flag())break;
-
-                       // don't extend looped blines
-                       if(finish_duck_value_node_bline&&!finish_duck_value_node_bline->get_loop()&&
-                          (finish_duck_index==0||finish_duck_index==finish_duck_value_node_bline->link_count()-1))
-                       {
-                               if(extend_start)
-                               {
-                                       // we've started and finished drawing at the end of a bline.  we can't
-                                       // extend both blines, so unless we started and finished at the 2 ends
-                                       // of the same bline, only extend the one we started on
-                                       if(start_duck_value_node_bline==finish_duck_value_node_bline)
-                                               complete_loop=extend_finish=true;
-                               }else{
-                                       extend_finish=true;
-                                       shift_origin=true;
-                                       shift_origin_vector=finish_duck->get_origin();
-                               }
-                       }
-               }while(0);
-
-               // if the new line's start didn't extend an existing line,
-               // check whether it needs to be linked to an existing duck
-               if(!extend_start&&get_auto_link_flag()&&start_duck&&start_duck_value_desc)
-                       switch(start_duck_value_desc.get_value_type())
-                       {
-                       case synfig::ValueBase::TYPE_BLINEPOINT:
-                               start_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_desc.get_value_node()),0);
-                               // fall through
-                       case synfig::ValueBase::TYPE_VECTOR:
-                               if (shift_origin && shift_origin_vector != start_duck->get_origin())
-                                       break;
-                               shift_origin = true;
-                               shift_origin_vector = start_duck->get_origin();
-                               get_canvas_interface()->auto_export(start_duck_value_desc);
-                               if (extend_finish)
-                                       if(start_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
-                                               extend_finish_join_same=true;
-                                       else
-                                               extend_finish_join_different=true;
-                               else
-                                       join_start_no_extend=true;
-                               // fall through
-                       default:break;
-                       }
-
-               // if the new line's end didn't extend an existing line,
-               // check whether it needs to be linked to an existing duck
-               if(!extend_finish&&get_auto_link_flag()&&finish_duck&&finish_duck_value_desc)
-                       switch(finish_duck_value_desc.get_value_type())
-                       {
-                       case synfig::ValueBase::TYPE_BLINEPOINT:
-                               finish_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_desc.get_value_node()),0);
-                               // fall through
-                       case synfig::ValueBase::TYPE_VECTOR:
-                               if (shift_origin && shift_origin_vector != finish_duck->get_origin())
-                                       break;
-                               shift_origin = true;
-                               shift_origin_vector = finish_duck->get_origin();
-                               get_canvas_interface()->auto_export(finish_duck_value_desc);
-                               if(extend_start)
-                                       if(finish_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
-                                               extend_start_join_same=true;
-                                       else
-                                               extend_start_join_different=true;
-                               else
-                                       join_finish_no_extend=true;
-                               // fall through
-                       default:break;
-                       }
-       }
-
-       ValueNode_BLine::Handle value_node;
-       std::list<synfig::BLinePoint> trans_bline;
-
-       {
-               std::list<synfig::BLinePoint>::iterator iter;
-               const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
-
-               for(iter=bline.begin();iter!=bline.end();++iter)
-               {
-                       BLinePoint bline_point(*iter);
-                       Point new_vertex(transform.unperform(bline_point.get_vertex()));
-
-                       bline_point.set_tangent1(
-                               transform.unperform(
-                                       bline_point.get_tangent1()+bline_point.get_vertex()
-                               ) -new_vertex
-                       );
-
-                       bline_point.set_tangent2(
-                               transform.unperform(
-                                       bline_point.get_tangent2()+bline_point.get_vertex()
-                               ) -new_vertex
-                       );
-
-                       if (shift_origin)
-                               new_vertex=new_vertex-shift_origin_vector;
-
-                       bline_point.set_vertex(new_vertex);
-
-                       trans_bline.push_back(bline_point);
-               }
-               value_node=ValueNode_BLine::create(synfig::ValueBase(trans_bline,loop_bline_flag));
-
-               Canvas::Handle canvas(get_canvas_view()->get_canvas());
-               Layer::Handle layer(get_canvas_view()->get_selection_manager()->get_selected_layer());
-               if (layer) canvas=layer->get_canvas();
-               value_node->set_member_canvas(canvas);
-       }
-
-       Smach::event_result result;
-       synfig::ValueNode_DynamicList::ListEntry source;
-
-       // the new line's start extends an existing line
-       if(extend_start)
-       {
-               int target_offset = 0;
-               if(complete_loop)trans_bline.pop_back();
-               trans_bline.pop_front();
-               if(start_duck_index==0)
-               {       // We need to reverse the BLine first.
-                       reverse_bline(trans_bline);
-                       result=extend_bline_from_begin(start_duck_value_node_bline,trans_bline,complete_loop);
-                       source=start_duck_value_node_bline->list.front();
-                       target_offset=trans_bline.size();
-               }
-               else
-               {
-                       result=extend_bline_from_end(start_duck_value_node_bline,trans_bline,complete_loop);
-                       source=start_duck_value_node_bline->list.back();
-               }
-
-               if(extend_start_join_different)
-                       LinkableValueNode::Handle::cast_dynamic(source.value_node)->
-                               set_link(0,finish_duck_value_desc.get_value_node());
-               else if(extend_start_join_same)
-                       LinkableValueNode::Handle::cast_dynamic(source.value_node)->
-                               set_link(0,synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_node_bline->
-                                                                                                       list[target_offset+finish_duck_index].value_node),0).get_value_node());
-               return result;
-       }
-
-       // the new line's end extends an existing line
-       if(extend_finish)
-       {
-               int target_offset = 0;
-               trans_bline.pop_back();
-               if(finish_duck_index==0)
-               {
-                       result=extend_bline_from_begin(finish_duck_value_node_bline,trans_bline,false);
-                       source=finish_duck_value_node_bline->list.front();
-                       target_offset=trans_bline.size();
-               }
-               else
-               {       // We need to reverse the BLine first.
-                       reverse_bline(trans_bline);
-                       result=extend_bline_from_end(finish_duck_value_node_bline,trans_bline,false);
-                       source=finish_duck_value_node_bline->list.back();
-               }
-
-               if(extend_finish_join_different)
-                       LinkableValueNode::Handle::cast_dynamic(source.value_node)->
-                               set_link(0,start_duck_value_desc.get_value_node());
-               else if(extend_finish_join_same)
-                       LinkableValueNode::Handle::cast_dynamic(source.value_node)->
-                               set_link(0,synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_node_bline->
-                                                                                                       list[target_offset+start_duck_index].value_node),0).get_value_node());
-               return result;
-       }
-
-       if (join_start_no_extend)
-               LinkableValueNode::Handle::cast_dynamic(value_node->list.front().value_node)->
-                 set_link(0,start_duck_value_desc.get_value_node());
-
-       if (join_finish_no_extend)
-               LinkableValueNode::Handle::cast_dynamic(value_node->list.back().value_node)->
-                 set_link(0,finish_duck_value_desc.get_value_node());
-
-       if(get_auto_export_flag())
-               if (!get_canvas_interface()->add_value_node(value_node,get_id()))
-               {
-                       /* it's no big deal, is it?  let's keep the shape anyway */
-                       // get_canvas_view()->get_ui_interface()->error(_("Unable to add value node"));
-                       // group.cancel();
-                       // increment_id();
-                       // return Smach::RESULT_ERROR;
-               }
-
-       last_stroke=value_node;
-       last_stroke_id=get_id();
-
-       {
-               // Create the layer(s)
-               Layer::Handle layer;
-               Canvas::Handle canvas(get_canvas_view()->get_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();
-               }
-
-               // fill_last_stroke() will take care of clearing the selection if we're calling it
-               if(get_outline_flag() && get_region_flag())
-               {
-                       if (fill_last_stroke_and_unselect_other_layers() == Smach::RESULT_ERROR)
-                       {
-                               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
-                               get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                               group.cancel();
-                               return Smach::RESULT_ERROR;
-                       }
-               }
-               else
-                       get_canvas_interface()->get_selection_manager()->clear_selected_layers();
-
-               //int number(synfig::UniqueID().get_uid());
-
-               synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
-               // if they're both defined, we'll add the region later
-               if(get_outline_flag())
-               {
-                       layer=get_canvas_interface()->add_layer_to("outline",canvas,depth);
-                       if (!layer)
-                       {
-                               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
-                               get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                               group.cancel();
-                               return Smach::RESULT_ERROR;
-                       }
-                       layer->set_description(get_id()+_(" Outline"));
-               }
-               else
-               {
-                       layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
-                       if (!layer)
-                       {
-                               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
-                               get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                               group.cancel();
-                               return Smach::RESULT_ERROR;
-                       }
-                       layer->set_description(get_id()+_(" Region"));
-               }
-
-               if(get_feather())
-               {
-                       layer->set_param("feather",get_feather());
-                       get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
-               }
-               assert(layer);
-               //layer->set_description(strprintf("Stroke %d",number));
-               //get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
-               if (shift_origin)
-                       get_canvas_interface()->
-                         change_value(synfigapp::ValueDesc(layer,"origin"),shift_origin_vector);
-
-               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("bline")))
-                       synfig::error("LayerParamConnect didn't like \"param\"");
-               if(!action->set_param("value_node",ValueNode::Handle(value_node)))
-                       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 layer"));
-                       group.cancel();
-                       increment_id();
-                       //refresh_ducks();
-                       return Smach::RESULT_ERROR;
-               }
-               layer_list.push_back(layer);
-               get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
-               //refresh_ducks();
-       }
-
-       increment_id();
-       return Smach::RESULT_ACCEPT;
-}
-
-#ifdef _DEBUG
-static void
-debug_show_vertex_list(int iteration, std::list<synfigapp::ValueDesc>& vertex_list,
-                                          std::string title, int current)
-{
-       std::list<synfigapp::ValueDesc>::iterator i = vertex_list.begin();
-       printf("\n%s\n  ----- iter %d : ", title.c_str(), iteration);
-       int c = 0;
-       synfig::LinkableValueNode::Handle last = 0;
-       int start = -1;
-       int index;
-       int prev;
-       int dir = 0;
-       bool started = false;
-       for(;i!=vertex_list.end();i++,c++)
-       {
-               synfigapp::ValueDesc value_desc(*i);
-
-               if (value_desc.parent_is_value_node()) {
-                       if(value_desc.parent_is_linkable_value_node())
-                       {
-                               index = value_desc.get_index();
-                               // printf("<%d>", index);
-                               if (last == synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node()))
-                               {
-                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                       if (start != -1)
-                                       {
-                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                               if (c == current)
-                                               {
-                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                       if (dir)
-                                                       {
-                                                               if (started) printf(", "); else started = true;
-                                                               printf("%d--%d", start, prev);
-                                                       }
-                                                       else
-                                                       {
-                                                               if (started) printf(", "); else started = true;
-                                                               printf("%d", start);
-                                                       }
-                                                       printf(", *%d*", index);
-                                                       start = -1;
-                                               }
-                                               else if (dir == 0)
-                                               {
-                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                       if (index == start + 1)
-                                                       {
-                                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                               dir = 1;
-                                                               prev = index;
-                                                       }
-                                                       else if (index == start - 1)
-                                                       {
-                                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                               dir = -1;
-                                                               prev = index;
-                                                       }
-                                                       else
-                                                       {
-                                                               if (started) printf(", "); else started = true;
-                                                               printf("%d", start);
-                                                               start = index;
-                                                       }
-                                               }
-                                               else if (index == prev + dir)
-                                               {
-                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                       prev = index;
-                                               }
-                                               else
-                                               {
-                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                       if (started) printf(", "); else started = true;
-                                                       if (prev != start)
-                                                               printf("%d--%d", start, prev);
-                                                       else
-                                                               printf("%d", start);
-                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                       start = index;
-                                                       dir = 0;
-                                               }
-                                       }
-                                       else
-                                       {
-                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                               if (c == current)
-                                               {
-                                                       if (started) printf(", "); else started = true;
-                                                       printf("*%d*", index);
-                                               }
-                                               else
-                                               {
-                                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                                       start = index;
-                                                       dir = 0;
-                                               }
-                                       }
-                               }
-                               else
-                               {
-                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                       if (last)
-                                       {
-                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                               if (start != -1)
-                                               {
-                                                       if (started) printf(", "); else started = true;
-                                                       if (dir != 0)
-                                                               printf("%d--%d", start, prev);
-                                                       else
-                                                               printf("%d", start);
-                                               }
-                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                               printf(") ");
-                                       }
-                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                       last = synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node());
-                                       printf("%d:(", synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node())->link_count());
-                                       started = false;
-                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                       if (c == current)
-                                       {
-                                               start = -1;
-                                               printf("*%d*", index);
-                                       }
-                                       else
-                                       {
-                                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                                               start = index;
-                                               dir = 0;
-                                       }
-                                       // printf("\n%s:%d\n", __FILE__, __LINE__);
-                               }
-                               // printf("\n%s:%d\n", __FILE__, __LINE__);
-                       }
-                       else if (last)
-                               if (last) printf("?!) ");
-               }
-               else
-               {
-                       last = 0;
-                       printf("? ");
-               }
-       }
-       if (last)
-       {
-               if (started) printf(", "); else started = true;
-               if (start != -1)
-               {
-                       if (dir != 0)
-                               printf("%d--%d", start, prev);
-                       else
-                               printf("%d", start);
-               }
-               printf(")");
-       }
-       printf("\n");
-}
-#else  // _DEBUG
-#define debug_show_vertex_list(a,b,c,d)
-#endif // _DEBUG
-
-Smach::event_result
-StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real radius)
-{
-       // Create the action group
-       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Define Region"));
-
-       std::list<synfigapp::ValueDesc> vertex_list;
-
-       printf("new_region with %zd bline points\n", bline.size());
-
-       // First we need to come up with a rough list of
-       // BLinePoints that we are going to be using to
-       // define our region.
-       {
-               std::list<synfig::BLinePoint>::iterator iter;
-               for(iter=bline.begin();iter!=bline.end();++iter)
-               {
-                       etl::handle<Duck> duck(get_work_area()->find_duck(iter->get_vertex(),0,Duck::TYPE_VERTEX));
-
-                       if(!duck)
-                       {
-                               synfig::info(__FILE__":%d: Nothing to enclose!",__LINE__);
-                               return Smach::RESULT_OK;
-                       }
-
-                       assert(duck->get_type()==Duck::TYPE_VERTEX);
-
-                       synfigapp::ValueDesc value_desc(duck->get_value_desc());
-
-                       if(!value_desc)
-                       {
-                               synfig::info(__FILE__":%d: Got a hit, but no ValueDesc on this duck",__LINE__);
-                               continue;
-                       }
-
-                       switch(value_desc.get_value_type())
-                       {
-                       case synfig::ValueBase::TYPE_BLINEPOINT:
-                               //if(vertex_list.empty() || value_desc!=vertex_list.back())
-                               vertex_list.push_back(value_desc);
-                               assert(vertex_list.back().is_valid());
-
-                               break;
-                       default:
-                               break;
-                       }
-               }
-       }
-
-       assert(vertex_list.back().is_valid());
-
-       printf("vertex list with %zd bline points\n", vertex_list.size());
-
-       // Remove any duplicates
-       {
-       }
-
-       ValueNode_BLine::Handle value_node_bline;
-
-       // Now we need to test for the trivial case,
-       // which is where all of the vertices
-       // come from one BLine.
-       if(vertex_list.front().parent_is_linkable_value_node())
-       {
-               bool trivial_case(true);
-               ValueNode::Handle trivial_case_value_node;
-
-               trivial_case_value_node=vertex_list.front().get_parent_value_node();
-
-               std::list<synfigapp::ValueDesc>::iterator iter;
-               for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
-               {
-                       if(trivial_case_value_node!=iter->get_parent_value_node())
-                       {
-                               trivial_case=false;
-                               break;
-                       }
-               }
-
-               // \todo - re-enable this code
-               if(trivial_case && false)
-               {
-                       synfig::info("all points are on the same bline, so just fill that line");
-                       value_node_bline=ValueNode_BLine::Handle::cast_dynamic(trivial_case_value_node);
-
-                       synfig::info("the line has %d vertices", value_node_bline->link_count());
-
-                       if(value_node_bline->link_count() <= 2)
-                       {
-                               synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
-                               return Smach::RESULT_OK;
-                       }
-               }
-       }
-
-       if(!value_node_bline)
-               if(vertex_list.size()<=2)
-               {
-                       synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
-                       return Smach::RESULT_OK;
-               }
-
-       // Now we need to clean the list of vertices up
-       // a bit. This includes inserting missing vertices
-       // and removing extraneous ones.
-       // We can do this in multiple passes.
-       if(!value_node_bline)
-       {
-               debug_show_vertex_list(0, vertex_list, "before shifting stuff", -1);
-               // rearrange the list so that the first and last node are on different blines
-               std::list<synfigapp::ValueDesc>::iterator iter, start;
-               ValueNode::Handle last_value_node = vertex_list.back().get_parent_value_node();
-               for(iter = vertex_list.begin(); iter!=vertex_list.end(); iter++)
-                       if (iter->get_parent_value_node() != last_value_node)
-                       {
-                               vertex_list.insert(vertex_list.end(), vertex_list.begin(), iter);
-                               vertex_list.erase(vertex_list.begin(), iter);
-                               break;
-                       }
-
-               debug_show_vertex_list(0, vertex_list, "before detecting direction and limits", -1);
-               // rearrange the list so that the first and last node are on different blines
-               iter = vertex_list.begin();
-               while (iter!=vertex_list.end())
-               {
-                       // make a note of which bline we're looking at
-                       ValueNode::Handle parent_value_node = iter->get_parent_value_node();
-                       start = iter;
-                       int points_in_line = synfig::LinkableValueNode::Handle::cast_reinterpret(parent_value_node)->link_count();
-                       bool looped = (*parent_value_node)(get_time()).get_loop();
-                       int this_index, last_index = iter->get_index();
-                       int min_index = last_index, max_index = last_index;
-                       bool whole;
-                       int direction = 0;
-
-                       // printf("there are %d points in this line - first is index %d\n", points_in_line, last_index);
-
-                       // while we're looking at the same bline, keep going
-                       iter++;
-                       while (iter != vertex_list.end() && iter->get_parent_value_node() == parent_value_node)
-                       {
-                               this_index = iter->get_index();
-                               // printf("index went from %d to %d\n", last_index, this_index);
-                               if (looped)
-                               {
-                                       if (this_index - last_index > points_in_line/2)
-                                               while (this_index - last_index > points_in_line/2)
-                                                       this_index -= points_in_line;
-                                       else if (last_index - this_index > points_in_line/2)
-                                               while (last_index - this_index > points_in_line/2)
-                                                       this_index += points_in_line;
-                               }
-
-                               if (this_index < min_index) min_index = this_index;
-                               if (this_index > max_index) max_index = this_index;
-
-                               // printf("so let's imagine index went from %d to %d\n", last_index, this_index);
-                               if (this_index > last_index)
-                                       direction++;
-                               else if (this_index < last_index)
-                                       direction--;
-
-                               last_index = this_index;
-                               iter++;
-                       }
-
-                       // printf("min %d and max %d\n", min_index, max_index);
-                       whole = max_index - min_index >= points_in_line;
-                       min_index = (min_index % points_in_line + points_in_line) % points_in_line;
-                       max_index = (max_index % points_in_line + points_in_line) % points_in_line;
-                       // they drew around a shape more than once - what's the start/end point?  does it matter?
-                       if (whole) min_index = max_index = (min_index + max_index) / 2;
-                       // printf("processed min %d max %d whole %d\n", min_index, max_index, whole);
-
-                       if (direction < 0)
-                       {
-                               if (whole)
-                               {
-                                       // printf("whole (down) (%d) ", min_index);
-                                       for (int i = min_index; i >= 0; i--)
-                                       {
-                                               // printf("%d ", i);
-                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
-                                       }
-                                       for (int i = points_in_line - 1; i >= min_index; i--)
-                                       {
-                                               // printf("%d ", i);
-                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
-                                       }
-                               }
-                               else
-                               {
-                                       // printf("part (down) (%d -> %d) ", max_index, min_index);
-                                       for (int i = max_index; i != min_index; i--)
-                                       {
-                                               if (i == -1) i = points_in_line - 1;
-                                               // printf("%d ", i);
-                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
-                                       }
-                                       vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, min_index));
-                               }
-                       }
-                       else
-                       {
-                               if (whole)
-                               {
-                                       // printf("whole (%d) ", min_index);
-                                       for (int i = min_index; i < points_in_line; i++)
-                                       {
-                                               // printf("%d ", i);
-                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
-                                       }
-                                       for (int i = 0; i <= min_index; i++)
-                                       {
-                                               // printf("%d ", i);
-                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
-                                       }
-                               }
-                               else
-                               {
-                                       // printf("part (%d -> %d) ", min_index, max_index);
-                                       for (int i = min_index; i != max_index; i++)
-                                       {
-                                               if (i == points_in_line) i = 0;
-                                               // printf("%d ", i);
-                                               vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
-                                       }
-                                       vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, max_index));
-                               }
-                       }
-                       // printf("\n");
-                       // debug_show_vertex_list(0, vertex_list, "after insert", -1);
-                       vertex_list.erase(start, iter);
-                       // debug_show_vertex_list(0, vertex_list, "after delete", -1);
-               }
-
-               debug_show_vertex_list(0, vertex_list, "continuous vertices", -1);
-
-               // \todo reenable or delete this section
-               int i=100;
-               for(bool done=false;!done && i<30;i++)
-               {
-                       debug_show_vertex_list(i, vertex_list, "in big loop", -1);
-
-                       // Set done to "true" for now. If
-                       // any updates are performed, we will
-                       // change it back to false.
-                       done=true;
-
-                       std::list<synfigapp::ValueDesc>::iterator prev,next;
-                       prev=vertex_list.end();prev--;  // Set prev to the last ValueDesc
-                       next=vertex_list.begin();
-                       iter=next++; // Set iter to the first value desc, and next to the second
-
-                       int current = 0;
-                       for(;iter!=vertex_list.end();prev=iter,iter++,next++,current++)
-                       {
-                               // we need to be able to erase(next) and can't do that if next is end()
-                               if (next == vertex_list.end()) next = vertex_list.begin();
-                               debug_show_vertex_list(i, vertex_list, "in loop around vertices", current);
-                               synfigapp::ValueDesc value_prev(*prev);
-                               synfigapp::ValueDesc value_desc(*iter);
-                               synfigapp::ValueDesc value_next(*next);
-
-                               assert(value_desc.is_valid());
-                               assert(value_next.is_valid());
-                               assert(value_prev.is_valid());
-
-                               // synfig::info("-------");
-                               // synfig::info(__FILE__":%d: value_prev 0x%08X:%d",__LINE__,value_prev.get_parent_value_node().get(),value_prev.get_index());
-                               // synfig::info(__FILE__":%d: value_desc 0x%08X:%d",__LINE__,value_desc.get_parent_value_node().get(),value_desc.get_index());
-                               // synfig::info(__FILE__":%d: value_next 0x%08X:%d",__LINE__,value_next.get_parent_value_node().get(),value_next.get_index());
-
-                               /*
-                                 if(value_prev.parent_is_value_node() && value_desc.parent_is_value_node() && value_next.parent_is_value_node())
-                                 {
-                                 // Remove random extraneous vertices
-                                 if(value_prev.get_parent_value_node()==value_next.get_parent_value_node() &&
-                                 value_prev.get_parent_value_node()!=value_desc.get_parent_value_node())
-                                 {
-                                 vertex_list.erase(iter);
-                                 done=false;
-                                 break;
-                                 }
-                                 }
-                               */
-
-                               // // Remove duplicate vertices
-
-                               // // if previous is the same as current or
-                               // //    current is the same as next, remove current
-                               // if(value_prev.get_value_node()==value_desc.get_value_node() ||
-                               //    value_desc.get_value_node()==value_next.get_value_node())
-                               // {
-                               //      vertex_list.erase(iter);
-                               //      done=false;
-                               //      printf("erased node - i = %d\n", i);
-                               //      break;
-                               // }
-
-                               // // if previous is the same as next, remove previous?  or next?
-                               // if(value_prev.get_value_node()==value_next.get_value_node())
-                               // {
-                               //      vertex_list.erase(next);
-                               //      // vertex_list.erase(prev);
-                               //      done=false;
-                               //      printf("erased node - i = %d\n", i);
-                               //      break;
-                               // }
-
-                               // if 'this' and 'next' both have parents
-                               if (value_desc.parent_is_value_node() && value_next.parent_is_value_node())
-                               {
-                                       // if they are both on the same bline - this has been handled by new code above
-                                       if (value_desc.get_parent_value_node() == value_next.get_parent_value_node())
-                                       {
-                                               // // if (next != vertex_list.end())
-                                               // {
-                                               //      printf("parent loop is %d and node loop is ??\n",
-                                               //                 (*(value_desc.get_parent_value_node()))(get_time()).get_loop()
-                                               //                 // value_desc.get_value_node().get_loop(),
-                                               //              );
-                                               //
-                                               //      // Fill in missing vertices
-                                               //      // \todo take loops into account: seeing (15, 2, 3, 4) probably means that (0, 1) is missing, not 14 through 3
-                                               //      if(value_desc.get_index()<value_next.get_index()-1)
-                                               //      {
-                                               //              debug_show_vertex_list(i, vertex_list,
-                                               //                                                         strprintf("same parent, different points this %d < next-1 %d",
-                                               //                                                                               value_desc.get_index(), ((value_next.get_index()-1))),
-                                               //                                                         current);
-                                               //              for (int index = value_desc.get_index()+1; index < value_next.get_index(); index++)
-                                               //              {
-                                               //                      printf("inserting up %d\n", index);
-                                               //                      vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
-                                               //              }
-                                               //              debug_show_vertex_list(i, vertex_list, "new list", current);
-                                               //              done=false;
-                                               //              break;
-                                               //      }
-                                               //      if(value_next.get_index()<value_desc.get_index()-1)
-                                               //      {
-                                               //              debug_show_vertex_list(i, vertex_list,
-                                               //                                                         strprintf("same parent, different points next %d < this-1 %d",
-                                               //                                                                               value_next.get_index(), ((value_desc.get_index()-1))),
-                                               //                                                         current);
-                                               //              for (int index = value_desc.get_index()-1; index > value_next.get_index(); index--)
-                                               //              {
-                                               //                      printf("inserting down %d\n", index);
-                                               //                      vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
-                                               //              }
-                                               //              debug_show_vertex_list(i, vertex_list, "new list", current);
-                                               //              done=false;
-                                               //              break;
-                                               //      }
-                                               // }
-                                       }
-                                       // 'this' and 'next' have different parents
-                                       else
-                                       {
-                                               ValueNode::Handle v1 = value_desc.get_value_node();
-                                               ValueNode::Handle v2 = value_desc.get_parent_value_node();
-                                               if (v1 == v2)
-                                                       printf("same\n");
-                                               else
-                                                       printf("different\n");
-
-                                               if (value_desc.get_value_node() != value_next.get_value_node())
-                                               {
-                                                       // Ensure that connections between blines are properly connected
-                                                       BLinePoint vertex(value_desc.get_value(get_time()).get(BLinePoint()));
-                                                       BLinePoint vertex_next(value_next.get_value(get_time()).get(BLinePoint()));
-
-                                                       //synfig::info("--------");
-                                                       //synfig::info(__FILE__":%d: vertex: [%f, %f]",__LINE__,vertex.get_vertex()[0],vertex.get_vertex()[1]);
-                                                       //synfig::info(__FILE__":%d: vertex_next: [%f, %f]",__LINE__,vertex_next.get_vertex()[0],vertex_next.get_vertex()[1]);
-
-                                                       // if this vertex is close to the next one, replace this vertex with a new one
-                                                       // and erase the next one
-                                                       printf("this point is %5.2f from the next point - compare with %5.2f\n",
-                                                                  (vertex.get_vertex()-vertex_next.get_vertex()).mag_squared(),
-                                                                  radius*radius);
-                                                       if((vertex.get_vertex()-vertex_next.get_vertex()).mag_squared()<radius*radius)
-                                                       {
-                                                               printf("in one - it's close\n");
-                                                               ValueNode_Composite::Handle value_node;
-                                                               ValueNode_Composite::Handle value_node_next;
-                                                               value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node().clone());
-                                                               value_node_next=ValueNode_Composite::Handle::cast_dynamic(value_next.get_value_node().clone());
-                                                               if(!value_node || !value_node_next)
-                                                               {
-                                                                       synfig::info(__FILE__":%d: Unable to properly connect blines.",__LINE__);
-                                                                       continue;
-                                                               }
-                                                               // \todo if next isn't split, don't we want to copy its 'Tangent 1' instead?
-                                                               value_node->set_link(5,value_node_next->get_link(5)); // Tangent 2
-                                                               value_node->set_link(3,ValueNode_Const::create(true)); // Split Tangents
-
-                                                               // get_canvas_interface()->auto_export(value_node);
-                                                               printf("exporting\n");
-                                                               get_canvas_interface()->add_value_node(value_node,value_node->get_id() + strprintf("foo %d", rand()));
-
-                                                               assert(value_node->is_exported());
-                                                               // replace 'this' with the new valuenode
-                                                               *iter=synfigapp::ValueDesc(get_canvas(),value_node->get_id());
-                                                               printf("erasing next\n");
-                                                               printf("erasing next point\n");
-                                                               vertex_list.erase(next);
-                                                               done=false;
-                                                               break;
-                                                       } // this vertex isn't close to the next one
-                                                       else if (value_prev.parent_is_value_node())
-                                                       {
-                                                               printf("in two - it's far\n");
-                                                               // \todo this only makes sense if prev is on the same bline
-                                                               printf("this is index %d\n", value_desc.get_index());
-                                                               printf("prev is index %d\n", value_prev.get_index());
-                                                               bool positive_trend(value_desc.get_index()>value_prev.get_index());
-
-                                                               if(positive_trend)
-                                                               {
-                                                                       printf("positive trend\n");
-                                                                       printf("comparing index %d < link_count()-1 = %d-1 = %d\n",
-                                                                                  value_desc.get_index(),
-                                                                                  LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count(),
-                                                                                  LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1);
-                                                                       if (value_desc.get_index()<LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1)
-                                                                       {
-                                                                               printf("in two - b\n");
-                                                                               printf("inserting node with index %d\n", value_desc.get_index()+1);
-                                                                               vertex_list.insert(next,
-                                                                                                                  synfigapp::ValueDesc(value_desc.get_parent_value_node(),
-                                                                                                                                                               value_desc.get_index()+1));
-                                                                               done=false;
-                                                                               break;
-                                                                       }
-                                                               }
-                                                               else // !positive_trend
-                                                               {
-                                                                       printf("negative trend\n");
-                                                                       if(value_desc.get_index()>0)
-                                                                       {
-                                                                               printf("in two - a\n");
-                                                                               printf("inserting node on this line with index %d\n",
-                                                                                          value_desc.get_index()-1);
-                                                                               vertex_list.insert(next,
-                                                                                                                  synfigapp::ValueDesc(value_desc.get_parent_value_node(),
-                                                                                                                                                               value_desc.get_index()-1));
-                                                                               done=false;
-                                                                               break;
-                                                                       }
-                                                               }
-                                                       }
-                                               }
-                                       }
-                               }
-                       }
-               }
-
-               if(vertex_list.size()<=2)
-               {
-                       synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
-                       return Smach::RESULT_OK;
-               }
-
-               debug_show_vertex_list(i, vertex_list, "finished tidying list", -1);
-       }
-
-       // If we aren't the trivial case,
-       // then go ahead and create the new
-       // BLine value node
-       if(!value_node_bline)
-       {
-               synfig::info("not all points are on the same bline");
-               value_node_bline=ValueNode_BLine::create();
-
-               std::list<synfigapp::ValueDesc>::iterator iter;
-               for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
-               {
-                       // Ensure that the vertex is exported.
-                       get_canvas_interface()->auto_export(*iter);
-
-                       value_node_bline->add(iter->get_value_node());
-                       //value_node_bline->add(ValueNode_BLine::ListEntry(iter->get_value_node()));
-               }
-
-               value_node_bline->set_loop(true);
-       }
-
-       get_canvas_interface()->auto_export(value_node_bline);
-
-       // Now we create the region layer
-       // Create the layer
-       {
-               Layer::Handle layer;
-               Canvas::Handle canvas(get_canvas_view()->get_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::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
-               layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
-               if (!layer)
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
-                       group.cancel();
-                       return Smach::RESULT_ERROR;
-               }
-
-               if(get_feather())
-               {
-                       layer->set_param("feather",get_feather());
-                       get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
-               }
-               get_canvas_interface()->signal_layer_param_changed()(layer,"color");
-
-               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("bline")))
-                       synfig::error("LayerParamConnect didn't like \"param\"");
-               if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
-                       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 Region layer"));
-                       group.cancel();
-                       return Smach::RESULT_ERROR;
-               }
-               get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
-       }
-
-       return Smach::RESULT_ACCEPT;
-}
-
-void
-StateDraw_Context::refresh_ducks()
-{
-       get_canvas_view()->queue_rebuild_ducks();
-/*
-       get_work_area()->clear_ducks();
-
-
-       std::list< etl::smart_ptr<std::list<synfig::Point> > >::iterator iter;
-
-       for(iter=stroke_list.begin();iter!=stroke_list.end();++iter)
-       {
-               get_work_area()->add_stroke(*iter);
-       }
-
-       get_work_area()->queue_draw();
-*/
-}
-
-
-Smach::event_result
-StateDraw_Context::extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
-{
-       // Create the action group
-       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
-
-       if (complete_loop)
-       {
-               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListLoop"));
-               assert(action);
-
-               action->set_param("canvas",get_canvas());
-               action->set_param("canvas_interface",get_canvas_interface());
-               action->set_param("value_node",ValueNode::Handle(value_node));
-
-               if(!get_canvas_interface()->get_instance()->perform_action(action))
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
-                       group.cancel();
-                       return Smach::RESULT_ERROR;
-               }
-       }
-
-       std::list<synfig::BLinePoint>::reverse_iterator iter;
-       for(iter=bline.rbegin();!(iter==bline.rend());++iter)
-       {
-               ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
-
-               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListInsert"));
-
-               assert(action);
-               synfigapp::ValueDesc value_desc(value_node,0);
-
-               action->set_param("canvas",get_canvas());
-               action->set_param("canvas_interface",get_canvas_interface());
-               action->set_param("value_desc",value_desc);
-               if(!action->set_param("item",ValueNode::Handle(composite)))
-                       synfig::error("ACTION didn't like \"item\"");
-
-               if(!get_canvas_interface()->get_instance()->perform_action(action))
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
-                       group.cancel();
-                       //refresh_ducks();
-                       return Smach::RESULT_ERROR;
-               }
-       }
-       last_stroke=value_node;
-       return Smach::RESULT_ACCEPT;
-}
-
-Smach::event_result
-StateDraw_Context::extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
-{
-       // Create the action group
-       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
-
-       if (complete_loop)
-       {
-               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListLoop"));
-               assert(action);
-
-               action->set_param("canvas",get_canvas());
-               action->set_param("canvas_interface",get_canvas_interface());
-               action->set_param("value_node",ValueNode::Handle(value_node));
-
-               if(!get_canvas_interface()->get_instance()->perform_action(action))
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
-                       group.cancel();
-                       return Smach::RESULT_ERROR;
-               }
-       }
-
-       std::list<synfig::BLinePoint>::iterator iter;
-       for(iter=bline.begin();iter!=bline.end();++iter)
-       {
-               ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
-
-               synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListInsert"));
-
-               assert(action);
-               synfigapp::ValueDesc value_desc(value_node,value_node->link_count());
-
-               action->set_param("canvas",get_canvas());
-               action->set_param("canvas_interface",get_canvas_interface());
-               action->set_param("value_desc",value_desc);
-               if(!action->set_param("item",ValueNode::Handle(composite)))
-                       synfig::error("ACTION didn't like \"item\"");
-
-               if(!get_canvas_interface()->get_instance()->perform_action(action))
-               {
-                       get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
-                       group.cancel();
-                       //refresh_ducks();
-                       return Smach::RESULT_ERROR;
-               }
-       }
-       last_stroke=value_node;
-       return Smach::RESULT_ACCEPT;
-}
-
-void
-StateDraw_Context::reverse_bline(std::list<synfig::BLinePoint> &bline)
-{
-       int i;
-
-       std::list<synfig::BLinePoint>::iterator iter,eiter;
-       iter=bline.begin();
-       eiter=bline.end();
-       eiter--;
-       for(i=0;i<(int)bline.size()/2;++iter,--eiter,i++)
-       {
-               iter_swap(iter,eiter);
-               iter->reverse();
-               eiter->reverse();
-       }
-}
-
-Smach::event_result
-StateDraw_Context::fill_last_stroke_and_unselect_other_layers()
-{
-       if(!last_stroke)
-               return Smach::RESULT_OK;
-
-       synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Fill Stroke"));
-
-       Layer::Handle layer;
-
-       get_canvas_interface()->auto_export(last_stroke);
-
-       synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
-       Canvas::Handle canvas(get_canvas_view()->get_canvas());
-       int depth(0);
-
-       layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
-       if(layer)
-       {
-               depth=layer->get_depth();
-               canvas=layer->get_canvas();
-       }
-
-       get_canvas_interface()->get_selection_manager()->clear_selected_layers();
-       layer=get_canvas_interface()->add_layer_to("region", canvas, depth);
-       if (!layer) return Smach::RESULT_ERROR;
-       layer->set_description(last_stroke_id + _(" Region"));
-
-       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("bline")))
-               synfig::error("LayerParamConnect didn't like \"param\"");
-       if(!action->set_param("value_node",ValueNode::Handle(last_stroke)))
-               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 Region layer"));
-               group.cancel();
-               return Smach::RESULT_OK;
-       }
-       get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
-       return Smach::RESULT_OK;
-}
-
-void
-StateDraw_Context::fill_last_stroke()
-{
-       if(!last_stroke)
-               return;
-
-       synfigapp::SelectionManager::LayerList layer_list = get_canvas_view()->get_selection_manager()->get_selected_layers();
-       fill_last_stroke_and_unselect_other_layers();
-       get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
-}