X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Fsrc%2Fgtkmm%2Fstate_polygon.cpp;fp=synfig-studio%2Fsrc%2Fgtkmm%2Fstate_polygon.cpp;h=c016f1d5bfc520a60d30c2167023a58d8fedccb4;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-studio/src/gtkmm/state_polygon.cpp b/synfig-studio/src/gtkmm/state_polygon.cpp
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+++ b/synfig-studio/src/gtkmm/state_polygon.cpp
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+/* === S Y N F I G ========================================================= */
+/*!	\file state_polygon.cpp
+**	\brief Template File
+**
+**	$Id$
+**
+**	\legal
+**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	Copyright (c) 2007, 2008 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 <synfigapp/action_system.h>
+#include <synfig/valuenode_bline.h>
+
+#include "state_polygon.h"
+#include "canvasview.h"
+#include "workarea.h"
+#include "app.h"
+
+#include <synfigapp/action.h>
+#include "event_mouse.h"
+#include "event_layerclick.h"
+#include "toolbox.h"
+#include "dialog_tooloptions.h"
+#include <synfigapp/main.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 ======================================================= */
+
+StatePolygon studio::state_polygon;
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+class studio::StatePolygon_Context : public sigc::trackable
+{
+	etl::handle<CanvasView> canvas_view_;
+	CanvasView::IsWorking is_working;
+
+	bool prev_table_status;
+	bool prev_workarea_layer_status_;
+
+	Gtk::Menu menu;
+
+	Duckmatic::Push duckmatic_push;
+
+	std::list<synfig::Point> polygon_point_list;
+	synfigapp::Settings& settings;
+
+
+	bool on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter);
+
+
+	void popup_handle_menu(synfigapp::ValueDesc value_desc);
+
+
+	void refresh_ducks();
+
+	Gtk::Table options_table;
+	Gtk::Entry entry_id;
+	Gtk::CheckButton checkbutton_invert;
+	Gtk::CheckButton checkbutton_layer_polygon;
+	Gtk::CheckButton checkbutton_layer_region;
+	Gtk::CheckButton checkbutton_layer_outline;
+	Gtk::CheckButton checkbutton_layer_curve_gradient;
+	Gtk::CheckButton checkbutton_layer_plant;
+	Gtk::CheckButton checkbutton_layer_link_origins;
+	Gtk::Button button_make;
+	Gtk::Adjustment	 adj_feather;
+	Gtk::SpinButton  spin_feather;
+
+public:
+
+	// this counts the layers we create - they all have origins we can link
+	int layers_to_create()const
+	{
+		return
+			get_layer_polygon_flag() +
+			get_layer_region_flag() +
+			get_layer_outline_flag() +
+			get_layer_curve_gradient_flag() +
+			get_layer_plant_flag();
+	}
+
+	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_invert()const { return checkbutton_invert.get_active(); }
+	void set_invert(bool i) { checkbutton_invert.set_active(i); }
+
+	bool get_layer_polygon_flag()const { return checkbutton_layer_polygon.get_active(); }
+	void set_layer_polygon_flag(bool x) { return checkbutton_layer_polygon.set_active(x); }
+
+	bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
+	void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
+
+	bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
+	void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
+
+	bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
+	void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
+
+	bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
+	void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
+
+	bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
+	void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
+
+	Real get_feather() const { return adj_feather.get_value(); }
+	void set_feather(Real x) { return adj_feather.set_value(x); }
+
+	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_click_handler(const Smach::event& x);
+	Smach::event_result event_refresh_tool_options(const Smach::event& x);
+	void refresh_tool_options();
+
+	StatePolygon_Context(CanvasView* canvas_view);
+
+	~StatePolygon_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::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);
+	void load_settings();
+	void save_settings();
+	void reset();
+	void increment_id();
+	bool egress_on_selection_change;
+	Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
+	{
+		if(egress_on_selection_change)
+			throw Smach::egress_exception();
+		return Smach::RESULT_OK;
+	}
+
+	void run();
+};	// END of class StatePolygon_Context
+
+/* === M E T H O D S ======================================================= */
+
+StatePolygon::StatePolygon():
+	Smach::state<StatePolygon_Context>("polygon")
+{
+	insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StatePolygon_Context::event_layer_selection_changed_handler));
+	insert(event_def(EVENT_STOP,&StatePolygon_Context::event_stop_handler));
+	insert(event_def(EVENT_REFRESH,&StatePolygon_Context::event_refresh_handler));
+	insert(event_def(EVENT_REFRESH_DUCKS,&StatePolygon_Context::event_refresh_handler));
+	insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StatePolygon_Context::event_mouse_click_handler));
+	insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StatePolygon_Context::event_refresh_tool_options));
+}
+
+StatePolygon::~StatePolygon()
+{
+}
+
+void
+StatePolygon_Context::load_settings()
+{
+	String value;
+
+	if(settings.get_value("polygon.id",value))
+		set_id(value);
+	else
+		set_id("Polygon");
+
+	if(settings.get_value("polygon.invert",value) && value != "0")
+		set_invert(true);
+	else
+		set_invert(false);
+
+	if(settings.get_value("polygon.layer_polygon",value) && value=="0")
+		set_layer_polygon_flag(false);
+	else
+		set_layer_polygon_flag(true);
+
+	if(settings.get_value("polygon.layer_region",value) && value=="1")
+		set_layer_region_flag(true);
+	else
+		set_layer_region_flag(false);
+
+	if(settings.get_value("polygon.layer_outline",value) && value=="1")
+		set_layer_outline_flag(true);
+	else
+		set_layer_outline_flag(false);
+
+	if(settings.get_value("polygon.layer_curve_gradient",value) && value=="1")
+		set_layer_curve_gradient_flag(true);
+	else
+		set_layer_curve_gradient_flag(false);
+
+	if(settings.get_value("polygon.layer_plant",value) && value=="1")
+		set_layer_plant_flag(true);
+	else
+		set_layer_plant_flag(false);
+
+	if(settings.get_value("polygon.layer_link_origins",value) && value=="0")
+		set_layer_link_origins_flag(false);
+	else
+		set_layer_link_origins_flag(true);
+
+	if(settings.get_value("polygon.feather",value))
+	{
+		Real n = atof(value.c_str());
+		set_feather(n);
+	}
+}
+
+void
+StatePolygon_Context::save_settings()
+{
+	settings.set_value("polygon.id",get_id().c_str());
+	settings.set_value("polygon.invert",get_invert()?"1":"0");
+	settings.set_value("polygon.layer_polygon",get_layer_polygon_flag()?"1":"0");
+	settings.set_value("polygon.layer_outline",get_layer_outline_flag()?"1":"0");
+	settings.set_value("polygon.layer_region",get_layer_region_flag()?"1":"0");
+	settings.set_value("polygon.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
+	settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
+	settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
+	settings.set_value("polygon.feather",strprintf("%f",get_feather()));
+}
+
+void
+StatePolygon_Context::reset()
+{
+	polygon_point_list.clear();
+	refresh_ducks();
+}
+
+void
+StatePolygon_Context::increment_id()
+{
+	String id(get_id());
+	int number=1;
+	int digits=0;
+
+	if(id.empty())
+		id="Polygon";
+
+	// 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);
+
+		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);
+}
+
+StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
+	canvas_view_(canvas_view),
+	is_working(*canvas_view),
+	prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
+	duckmatic_push(get_work_area()),
+	settings(synfigapp::Main::get_selected_input_device()->settings()),
+	entry_id(),
+	checkbutton_invert(_("Invert")),
+	checkbutton_layer_polygon(_("Create Polygon Layer")),
+	checkbutton_layer_region(_("Create Region BLine")),
+	checkbutton_layer_outline(_("Create Outline BLine")),
+	checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
+	checkbutton_layer_plant(_("Create Plant BLine")),
+	checkbutton_layer_link_origins(_("Link Origins")),
+	button_make(_("Make")),
+	adj_feather(0,0,10000,0.01,0.1),
+	spin_feather(adj_feather,0.01,4)
+{
+	egress_on_selection_change=true;
+	load_settings();
+
+	// Set up the tool options dialog
+	options_table.attach(*manage(new Gtk::Label(_("Polygon 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_layer_polygon,						0, 2, 2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+	options_table.attach(checkbutton_layer_outline,						0, 2, 3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+	options_table.attach(checkbutton_layer_region,						0, 2, 4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+	options_table.attach(checkbutton_layer_plant,						0, 2, 5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+	options_table.attach(checkbutton_layer_curve_gradient,				0, 2, 6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+	options_table.attach(checkbutton_layer_link_origins,				0, 2, 7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+
+	//invert flag
+	options_table.attach(checkbutton_invert,							0, 2, 8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+
+	//feather stuff
+	options_table.attach(*manage(new Gtk::Label(_("Feather"))), 		0, 1, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+	options_table.attach(spin_feather,									1, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+
+	//options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+	button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
+	options_table.show_all();
+	refresh_tool_options();
+	App::dialog_tool_options->present();
+
+
+	// Turn off layer clicking
+	get_work_area()->set_allow_layer_clicks(false);
+
+	// clear out the ducks
+	get_work_area()->clear_ducks();
+
+	// Refresh the work area
+	get_work_area()->queue_draw();
+
+	get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
+
+	// 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::StatePolygon_Context::on_user_click));
+
+	App::toolbox->refresh();
+}
+
+void
+StatePolygon_Context::refresh_tool_options()
+{
+	App::dialog_tool_options->clear();
+	App::dialog_tool_options->set_widget(options_table);
+
+	App::dialog_tool_options->set_local_name(_("Polygon Tool"));
+	App::dialog_tool_options->set_name("polygon");
+
+	App::dialog_tool_options->add_button(
+		Gtk::StockID("gtk-execute"),
+		_("Make Polygon")
+	)->signal_clicked().connect(
+		sigc::mem_fun(
+			*this,
+			&StatePolygon_Context::run
+		)
+	);
+
+	App::dialog_tool_options->add_button(
+		Gtk::StockID("gtk-clear"),
+		_("Clear current Polygon")
+	)->signal_clicked().connect(
+		sigc::mem_fun(
+			*this,
+			&StatePolygon_Context::reset
+		)
+	);
+}
+
+Smach::event_result
+StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
+{
+	refresh_tool_options();
+	return Smach::RESULT_ACCEPT;
+}
+
+StatePolygon_Context::~StatePolygon_Context()
+{
+	run();
+
+	save_settings();
+	// Restore layer clicking
+	get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
+
+	App::dialog_tool_options->clear();
+
+	get_canvas_view()->work_area->reset_cursor();
+
+	// 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
+StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
+{
+	synfig::info("STATE RotoPolygon: Received Stop Event");
+	//throw Smach::egress_exception();
+	reset();
+	return Smach::RESULT_ACCEPT;
+
+}
+
+Smach::event_result
+StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
+{
+	synfig::info("STATE RotoPolygon: Received Refresh Event");
+	refresh_ducks();
+	return Smach::RESULT_ACCEPT;
+}
+
+void
+StatePolygon_Context::run()
+{
+	if(polygon_point_list.empty())
+		return;
+
+	if(polygon_point_list.size()<3)
+	{
+		get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
+		return;
+	}
+
+	synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
+
+	Layer::Handle layer;
+
+	Canvas::Handle canvas;
+	int depth(0);
+
+	// we are temporarily using the layer to hold something
+	layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
+	if(layer)
+	{
+		depth=layer->get_depth();
+		canvas=layer->get_canvas();
+	}
+
+	synfigapp::SelectionManager::LayerList layer_selection;
+	if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
+		layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
+
+	const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
+
+	std::vector<BLinePoint> new_list;
+	std::list<synfig::Point>::iterator iter;
+	int i;
+	for(i=0,iter=polygon_point_list.begin();iter!=polygon_point_list.end();++iter,++i)
+	{
+		*iter = transform.unperform(*iter);
+		new_list.push_back(*(new BLinePoint));
+		new_list[i].set_width(1);
+		new_list[i].set_vertex(*iter);
+		new_list[i].set_tangent(Point(0,0));
+	}
+
+	ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
+	assert(value_node_bline);
+
+	ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
+	assert(value_node_origin);
+
+	// Set the looping flag
+	value_node_bline->set_loop(true);
+
+	if(!canvas)
+		canvas=get_canvas_view()->get_canvas();
+
+	value_node_bline->set_member_canvas(canvas);
+
+	// count how many layers we're going to be creating
+	int layers_to_create = this->layers_to_create();
+
+	///////////////////////////////////////////////////////////////////////////
+	//   P O L Y G O N
+	///////////////////////////////////////////////////////////////////////////
+
+	if (get_layer_polygon_flag())
+	{
+		layer=get_canvas_interface()->add_layer_to("polygon",canvas,depth);
+		if (!layer)
+		{
+			get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+			group.cancel();
+			return;
+		}
+		layer_selection.push_back(layer);
+
+		layer->set_param("invert",get_invert());
+		get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+		if(get_feather())
+		{
+			layer->set_param("feather",get_feather());
+			get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
+		}
+
+		layer->set_description(get_id());
+		get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+		layer->disconnect_dynamic_param("vector_list");
+		if(!layer->set_param("vector_list",polygon_point_list))
+		{
+			group.cancel();
+			get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
+			return;
+		}
+
+		{
+			synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescConvert"));
+			synfigapp::ValueDesc value_desc(layer,"vector_list");
+			action->set_param("canvas",get_canvas());
+			action->set_param("canvas_interface",get_canvas_interface());
+			action->set_param("value_desc",value_desc);
+			action->set_param("type","dynamic_list");
+			action->set_param("time",get_canvas_interface()->get_time());
+			if(!get_canvas_interface()->get_instance()->perform_action(action))
+			{
+				group.cancel();
+				get_canvas_view()->get_ui_interface()->error("Unable to execute action \"ValueDescConvert\"");
+				return;
+			}
+		}
+
+		// only link the polygon's origin parameter if the option is selected and we're creating more than one layer
+		if (get_layer_link_origins_flag() && layers_to_create > 1)
+		{
+			synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+			assert(action);
+
+			action->set_param("canvas",get_canvas());
+			action->set_param("canvas_interface",get_canvas_interface());
+			action->set_param("layer",layer);
+			if(!action->set_param("param",String("origin")))
+				synfig::error("LayerParamConnect didn't like \"param\"");
+			if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+				synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+			if(!get_canvas_interface()->get_instance()->perform_action(action))
+			{
+				get_canvas_view()->get_ui_interface()->error(_("Unable to create Polygon layer"));
+				group.cancel();
+				throw String(_("Unable to create Polygon layer"));
+				return;
+			}
+		}
+	}
+
+	///////////////////////////////////////////////////////////////////////////
+	//   C U R V E   G R A D I E N T
+	///////////////////////////////////////////////////////////////////////////
+
+	if(get_layer_curve_gradient_flag())
+	{
+		synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+		Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
+		if (!layer)
+		{
+			get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+			group.cancel();
+			return;
+		}
+		layer_selection.push_back(layer);
+		layer->set_description(get_id()+_(" Gradient"));
+		get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+		{
+			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 BLine layer"));
+				group.cancel();
+				throw String(_("Unable to create Gradient layer"));
+				return;
+			}
+		}
+
+		// only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
+		if (get_layer_link_origins_flag() && layers_to_create > 1)
+		{
+			synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+			assert(action);
+
+			action->set_param("canvas",get_canvas());
+			action->set_param("canvas_interface",get_canvas_interface());
+			action->set_param("layer",layer);
+			if(!action->set_param("param",String("origin")))
+				synfig::error("LayerParamConnect didn't like \"param\"");
+			if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+				synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+			if(!get_canvas_interface()->get_instance()->perform_action(action))
+			{
+				//get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+				group.cancel();
+				throw String(_("Unable to create Gradient layer"));
+				return;
+			}
+		}
+	}
+
+	///////////////////////////////////////////////////////////////////////////
+	//   P L A N T
+	///////////////////////////////////////////////////////////////////////////
+
+	if(get_layer_plant_flag())
+	{
+		synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+		Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
+		if (!layer)
+		{
+			get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+			group.cancel();
+			return;
+		}
+		layer_selection.push_back(layer);
+		layer->set_description(get_id()+_(" Plant"));
+		get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+		{
+			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 BLine layer"));
+				group.cancel();
+				throw String(_("Unable to create Plant layer"));
+				return;
+			}
+		}
+
+		// only link the plant's origin parameter if the option is selected and we're creating more than one layer
+		if (get_layer_link_origins_flag() && layers_to_create > 1)
+		{
+			synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+			assert(action);
+
+			action->set_param("canvas",get_canvas());
+			action->set_param("canvas_interface",get_canvas_interface());
+			action->set_param("layer",layer);
+			if(!action->set_param("param",String("origin")))
+				synfig::error("LayerParamConnect didn't like \"param\"");
+			if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+				synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+			if(!get_canvas_interface()->get_instance()->perform_action(action))
+			{
+				//get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+				group.cancel();
+				throw String(_("Unable to create Plant layer"));
+				return;
+			}
+		}
+	}
+
+	///////////////////////////////////////////////////////////////////////////
+	//   R E G I O N
+	///////////////////////////////////////////////////////////////////////////
+
+	if(get_layer_region_flag())
+	{
+		synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
+
+		Layer::Handle 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;
+		}
+		layer_selection.push_back(layer);
+		layer->set_description(get_id()+_(" Region"));
+		get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+		layer->set_param("feather",get_feather());
+		get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
+
+		layer->set_param("invert",get_invert());
+		get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+		// I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
+		// using 2 separate ones.
+		{
+			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();
+				throw String(_("Unable to create Region layer"));
+				return;
+			}
+		}
+
+		// only link the region's origin parameter if the option is selected and we're creating more than one layer
+		if (get_layer_link_origins_flag() && layers_to_create > 1)
+		{
+			synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+			assert(action);
+
+			action->set_param("canvas",get_canvas());
+			action->set_param("canvas_interface",get_canvas_interface());
+			action->set_param("layer",layer);
+			if(!action->set_param("param",String("origin")))
+				synfig::error("LayerParamConnect didn't like \"param\"");
+			if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+				synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+			if(!get_canvas_interface()->get_instance()->perform_action(action))
+			{
+				//get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
+				group.cancel();
+				throw String(_("Unable to create Region layer"));
+				return;
+			}
+		}
+	}
+
+	///////////////////////////////////////////////////////////////////////////
+	//   O U T L I N E
+	///////////////////////////////////////////////////////////////////////////
+
+	if (get_layer_outline_flag())
+	{
+		Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
+		if (!layer)
+		{
+			get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
+			group.cancel();
+			return;
+		}
+		layer_selection.push_back(layer);
+		layer->set_description(get_id()+_(" Outline"));
+		get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+		layer->set_param("feather",get_feather());
+		get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
+
+		layer->set_param("invert",get_invert());
+		get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
+
+		{
+			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 BLine layer"));
+				group.cancel();
+				throw String(_("Unable to create Outline layer"));
+				return;
+			}
+		}
+
+		// only link the outline's origin parameter if the option is selected and we're creating more than one layer
+		if (get_layer_link_origins_flag() && layers_to_create > 1)
+		{
+			synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
+			assert(action);
+
+			action->set_param("canvas",get_canvas());
+			action->set_param("canvas_interface",get_canvas_interface());
+			action->set_param("layer",layer);
+			if(!action->set_param("param",String("origin")))
+				synfig::error("LayerParamConnect didn't like \"param\"");
+			if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
+				synfig::error("LayerParamConnect didn't like \"value_node\"");
+
+			if(!get_canvas_interface()->get_instance()->perform_action(action))
+			{
+				//get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
+				group.cancel();
+				throw String(_("Unable to create Outline layer"));
+				return;
+			}
+		}
+	}
+
+	egress_on_selection_change=false;
+	get_canvas_interface()->get_selection_manager()->clear_selected_layers();
+	get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
+	egress_on_selection_change=true;
+
+	//post clean up stuff...
+	reset();
+	increment_id();
+}
+
+Smach::event_result
+StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
+{
+	synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
+	const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
+	switch(event.button)
+	{
+	case BUTTON_LEFT:
+		polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
+		refresh_ducks();
+		return Smach::RESULT_ACCEPT;
+
+	default:
+		return Smach::RESULT_OK;
+	}
+}
+
+
+void
+StatePolygon_Context::refresh_ducks()
+{
+	get_work_area()->clear_ducks();
+
+	if(polygon_point_list.empty()) return;
+
+	std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
+
+	etl::handle<WorkArea::Duck> duck;
+	duck=new WorkArea::Duck(*iter);
+	duck->set_editable(true);
+	duck->signal_edited().connect(
+		sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
+	);
+	duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
+
+	get_work_area()->add_duck(duck);
+
+	for(++iter;iter!=polygon_point_list.end();++iter)
+	{
+		etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
+		bezier->p1=bezier->c1=duck;
+
+		duck=new WorkArea::Duck(*iter);
+		duck->set_editable(true);
+		duck->set_name(strprintf("%x",&*iter));
+		duck->signal_edited().connect(
+			sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
+		);
+
+		get_work_area()->add_duck(duck);
+
+		bezier->p2=bezier->c2=duck;
+		get_work_area()->add_bezier(bezier);
+	}
+	get_work_area()->queue_draw();
+}
+
+
+bool
+StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
+{
+	*iter=point;
+	return true;
+}