synfig-studio/src/gui/states/state_polygon.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_polygon.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include <gtkmm/dialog.h>
  34 #include <gtkmm/entry.h>
  35
  36 #include <synfig/valuenode_dynamiclist.h>
  37 #include <synfigapp/action_system.h>
  38 #include <synfig/valuenode_bline.h>
  39
  40 #include "state_polygon.h"
  41 #include "state_normal.h"
  42 #include "canvasview.h"
  43 #include "workarea.h"
  44 #include "app.h"
  45
  46 #include <synfigapp/action.h>
  47 #include "event_mouse.h"
  48 #include "event_layerclick.h"
  49 #include "toolbox.h"
  50 #include "docks/dialog_tooloptions.h"
  51 #include <synfigapp/main.h>
  52
  53 #include "general.h"
  54
  55 #endif
  56
  57 /* === U S I N G =========================================================== */
  58
  59 using namespace std;
  60 using namespace etl;
  61 using namespace synfig;
  62 using namespace studio;
  63
  64 /* === M A C R O S ========================================================= */
  65
  66 /* === G L O B A L S ======================================================= */
  67
  68 StatePolygon studio::state_polygon;
  69
  70 /* === C L A S S E S & S T R U C T S ======================================= */
  71
  72 class studio::StatePolygon_Context : public sigc::trackable
  73 {
  74         etl::handle<CanvasView> canvas_view_;
  75         CanvasView::IsWorking is_working;
  76
  77         bool prev_table_status;
  78         bool prev_workarea_layer_status_;
  79
  80         Gtk::Menu menu;
  81
  82         Duckmatic::Push duckmatic_push;
  83
  84         std::list<synfig::Point> polygon_point_list;
  85         synfigapp::Settings& settings;
  86
  87
  88         bool on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter);
  89
  90
  91         void popup_handle_menu(synfigapp::ValueDesc value_desc);
  92
  93
  94         void refresh_ducks();
  95
  96         Gtk::Table options_table;
  97         Gtk::Entry entry_id;
  98         Gtk::CheckButton checkbutton_invert;
  99         Gtk::CheckButton checkbutton_layer_polygon;
 100         Gtk::CheckButton checkbutton_layer_region;
 101         Gtk::CheckButton checkbutton_layer_outline;
 102         Gtk::CheckButton checkbutton_layer_curve_gradient;
 103         Gtk::CheckButton checkbutton_layer_plant;
 104         Gtk::CheckButton checkbutton_layer_link_origins;
 105         Gtk::Button button_make;
 106         Gtk::Adjustment  adj_feather;
 107         Gtk::SpinButton  spin_feather;
 108
 109 public:
 110
 111         // this counts the layers we create - they all have origins we can link
 112         int layers_to_create()const
 113         {
 114                 return
 115                         get_layer_polygon_flag() +
 116                         get_layer_region_flag() +
 117                         get_layer_outline_flag() +
 118                         get_layer_curve_gradient_flag() +
 119                         get_layer_plant_flag();
 120         }
 121
 122         synfig::String get_id()const { return entry_id.get_text(); }
 123         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 124
 125         bool get_invert()const { return checkbutton_invert.get_active(); }
 126         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 127
 128         bool get_layer_polygon_flag()const { return checkbutton_layer_polygon.get_active(); }
 129         void set_layer_polygon_flag(bool x) { return checkbutton_layer_polygon.set_active(x); }
 130
 131         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 132         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 133
 134         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 135         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 136
 137         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 138         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 139
 140         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 141         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 142
 143         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 144         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 145
 146         Real get_feather() const { return adj_feather.get_value(); }
 147         void set_feather(Real x) { return adj_feather.set_value(x); }
 148
 149         Smach::event_result event_stop_handler(const Smach::event& x);
 150
 151         Smach::event_result event_refresh_handler(const Smach::event& x);
 152
 153         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 154         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 155         void refresh_tool_options();
 156
 157         StatePolygon_Context(CanvasView* canvas_view);
 158
 159         ~StatePolygon_Context();
 160
 161         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 162         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 163         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 164         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 165
 166         //void on_user_click(synfig::Point point);
 167         void load_settings();
 168         void save_settings();
 169         void reset();
 170         void increment_id();
 171         bool egress_on_selection_change;
 172         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 173         {
 174                 if(egress_on_selection_change)
 175                         throw &state_normal; //throw Smach::egress_exception();
 176                 return Smach::RESULT_OK;
 177         }
 178
 179         void run();
 180 };      // END of class StatePolygon_Context
 181
 182 /* === M E T H O D S ======================================================= */
 183
 184 StatePolygon::StatePolygon():
 185         Smach::state<StatePolygon_Context>("polygon")
 186 {
 187         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StatePolygon_Context::event_layer_selection_changed_handler));
 188         insert(event_def(EVENT_STOP,&StatePolygon_Context::event_stop_handler));
 189         insert(event_def(EVENT_REFRESH,&StatePolygon_Context::event_refresh_handler));
 190         insert(event_def(EVENT_REFRESH_DUCKS,&StatePolygon_Context::event_refresh_handler));
 191         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StatePolygon_Context::event_mouse_click_handler));
 192         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StatePolygon_Context::event_refresh_tool_options));
 193 }
 194
 195 StatePolygon::~StatePolygon()
 196 {
 197 }
 198
 199 void
 200 StatePolygon_Context::load_settings()
 201 {
 202         try
 203         {
 204                 SETTINGS_LOCALE_SAFE_AND_BACKUP
 205                 String value;
 206
 207                 if(settings.get_value("polygon.id",value))
 208                         set_id(value);
 209                 else
 210                         set_id("Polygon");
 211
 212                 if(settings.get_value("polygon.invert",value) && value != "0")
 213                         set_invert(true);
 214                 else
 215                         set_invert(false);
 216
 217                 if(settings.get_value("polygon.layer_polygon",value) && value=="0")
 218                         set_layer_polygon_flag(false);
 219                 else
 220                         set_layer_polygon_flag(true);
 221
 222                 if(settings.get_value("polygon.layer_region",value) && value=="1")
 223                         set_layer_region_flag(true);
 224                 else
 225                         set_layer_region_flag(false);
 226
 227                 if(settings.get_value("polygon.layer_outline",value) && value=="1")
 228                         set_layer_outline_flag(true);
 229                 else
 230                         set_layer_outline_flag(false);
 231
 232                 if(settings.get_value("polygon.layer_curve_gradient",value) && value=="1")
 233                         set_layer_curve_gradient_flag(true);
 234                 else
 235                         set_layer_curve_gradient_flag(false);
 236
 237                 if(settings.get_value("polygon.layer_plant",value) && value=="1")
 238                         set_layer_plant_flag(true);
 239                 else
 240                         set_layer_plant_flag(false);
 241
 242                 if(settings.get_value("polygon.layer_link_origins",value) && value=="0")
 243                         set_layer_link_origins_flag(false);
 244                 else
 245                         set_layer_link_origins_flag(true);
 246
 247                 if(settings.get_value("polygon.feather",value))
 248                 {
 249                         Real n = atof(value.c_str());
 250                         set_feather(n);
 251                 }
 252                 SETTINGS_LOCALE_RESTORE
 253         }
 254         catch(...)
 255         {
 256                 synfig::warning("State Polygon: Caught exception when attempting to load settings.");
 257         }
 258 }
 259
 260 void
 261 StatePolygon_Context::save_settings()
 262 {
 263         try
 264         {
 265                 SETTINGS_LOCALE_SAFE_AND_BACKUP
 266                 settings.set_value("polygon.id",get_id().c_str());
 267                 settings.set_value("polygon.invert",get_invert()?"1":"0");
 268                 settings.set_value("polygon.layer_polygon",get_layer_polygon_flag()?"1":"0");
 269                 settings.set_value("polygon.layer_outline",get_layer_outline_flag()?"1":"0");
 270                 settings.set_value("polygon.layer_region",get_layer_region_flag()?"1":"0");
 271                 settings.set_value("polygon.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 272                 settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
 273                 settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 274                 settings.set_value("polygon.feather",strprintf("%f",get_feather()));
 275                 SETTINGS_LOCALE_RESTORE
 276         }
 277         catch(...)
 278         {
 279                 synfig::warning("State Polygon: Caught exception when attempting to save settings.");
 280         }
 281 }
 282
 283 void
 284 StatePolygon_Context::reset()
 285 {
 286         polygon_point_list.clear();
 287         refresh_ducks();
 288 }
 289
 290 void
 291 StatePolygon_Context::increment_id()
 292 {
 293         String id(get_id());
 294         int number=1;
 295         int digits=0;
 296
 297         if(id.empty())
 298                 id="Polygon";
 299
 300         // If there is a number
 301         // already at the end of the
 302         // id, then remove it.
 303         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 304         {
 305                 // figure out how many digits it is
 306                 for (digits = 0;
 307                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 308                          digits++)
 309                         ;
 310
 311                 String str_number;
 312                 str_number=String(id,id.size()-digits,id.size());
 313                 id=String(id,0,id.size()-digits);
 314
 315                 number=atoi(str_number.c_str());
 316         }
 317         else
 318         {
 319                 number=1;
 320                 digits=3;
 321         }
 322
 323         number++;
 324
 325         // Add the number back onto the id
 326         {
 327                 const String format(strprintf("%%0%dd",digits));
 328                 id+=strprintf(format.c_str(),number);
 329         }
 330
 331         // Set the ID
 332         set_id(id);
 333 }
 334
 335 StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
 336         canvas_view_(canvas_view),
 337         is_working(*canvas_view),
 338         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 339         duckmatic_push(get_work_area()),
 340         settings(synfigapp::Main::get_selected_input_device()->settings()),
 341         entry_id(),
 342         checkbutton_invert(_("Invert")),
 343         checkbutton_layer_polygon(_("Create Polygon Layer")),
 344         checkbutton_layer_region(_("Create Region BLine")),
 345         checkbutton_layer_outline(_("Create Outline BLine")),
 346         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 347         checkbutton_layer_plant(_("Create Plant BLine")),
 348         checkbutton_layer_link_origins(_("Link Origins")),
 349         button_make(_("Make")),
 350         adj_feather(0,0,10000,0.01,0.1),
 351         spin_feather(adj_feather,0.01,4)
 352 {
 353         egress_on_selection_change=true;
 354         load_settings();
 355
 356         // Set up the tool options dialog
 357         options_table.attach(*manage(new Gtk::Label(_("Polygon Tool"))),        0, 2, 0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 358         options_table.attach(entry_id,                                                                          0, 2, 1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 359
 360         options_table.attach(checkbutton_layer_polygon,                                         0, 2, 2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 361         options_table.attach(checkbutton_layer_outline,                                         0, 2, 3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 362         options_table.attach(checkbutton_layer_region,                                          0, 2, 4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 363         options_table.attach(checkbutton_layer_plant,                                           0, 2, 5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 364         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2, 6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 365         options_table.attach(checkbutton_layer_link_origins,                            0, 2, 7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 366
 367         //invert flag
 368         options_table.attach(checkbutton_invert,                                                        0, 2, 8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 369
 370         //feather stuff
 371         options_table.attach(*manage(new Gtk::Label(_("Feather"))),             0, 1, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 372         options_table.attach(spin_feather,                                                                      1, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 373
 374         //options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 375         button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 376         options_table.show_all();
 377         refresh_tool_options();
 378         App::dialog_tool_options->present();
 379
 380
 381         // Turn off layer clicking
 382         get_work_area()->set_allow_layer_clicks(false);
 383
 384         // clear out the ducks
 385         get_work_area()->clear_ducks();
 386
 387         // Refresh the work area
 388         get_work_area()->queue_draw();
 389
 390         get_work_area()->set_cursor(Gdk::CROSSHAIR);
 391
 392         // Hide the tables if they are showing
 393         prev_table_status=get_canvas_view()->tables_are_visible();
 394         if(prev_table_status)get_canvas_view()->hide_tables();
 395
 396         // Disable the time bar
 397         get_canvas_view()->set_sensitive_timebar(false);
 398
 399         // Connect a signal
 400         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_user_click));
 401
 402         App::toolbox->refresh();
 403 }
 404
 405 void
 406 StatePolygon_Context::refresh_tool_options()
 407 {
 408         App::dialog_tool_options->clear();
 409         App::dialog_tool_options->set_widget(options_table);
 410
 411         App::dialog_tool_options->set_local_name(_("Polygon Tool"));
 412         App::dialog_tool_options->set_name("polygon");
 413
 414         App::dialog_tool_options->add_button(
 415                 Gtk::StockID("gtk-execute"),
 416                 _("Make Polygon")
 417         )->signal_clicked().connect(
 418                 sigc::mem_fun(
 419                         *this,
 420                         &StatePolygon_Context::run
 421                 )
 422         );
 423
 424         App::dialog_tool_options->add_button(
 425                 Gtk::StockID("gtk-clear"),
 426                 _("Clear current Polygon")
 427         )->signal_clicked().connect(
 428                 sigc::mem_fun(
 429                         *this,
 430                         &StatePolygon_Context::reset
 431                 )
 432         );
 433 }
 434
 435 Smach::event_result
 436 StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 437 {
 438         refresh_tool_options();
 439         return Smach::RESULT_ACCEPT;
 440 }
 441
 442 StatePolygon_Context::~StatePolygon_Context()
 443 {
 444         run();
 445
 446         save_settings();
 447         // Restore layer clicking
 448         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 449
 450         App::dialog_tool_options->clear();
 451
 452         get_work_area()->reset_cursor();
 453
 454         // Enable the time bar
 455         get_canvas_view()->set_sensitive_timebar(true);
 456
 457         // Bring back the tables if they were out before
 458         if(prev_table_status)get_canvas_view()->show_tables();
 459
 460         // Refresh the work area
 461         get_work_area()->queue_draw();
 462
 463         App::toolbox->refresh();
 464 }
 465
 466 Smach::event_result
 467 StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
 468 {
 469         synfig::info("STATE RotoPolygon: Received Stop Event");
 470         //throw Smach::egress_exception();
 471         reset();
 472         return Smach::RESULT_ACCEPT;
 473
 474 }
 475
 476 Smach::event_result
 477 StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
 478 {
 479         synfig::info("STATE RotoPolygon: Received Refresh Event");
 480         refresh_ducks();
 481         return Smach::RESULT_ACCEPT;
 482 }
 483
 484 void
 485 StatePolygon_Context::run()
 486 {
 487         if(polygon_point_list.empty())
 488                 return;
 489
 490         if(polygon_point_list.size()<3)
 491         {
 492                 get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
 493                 return;
 494         }
 495
 496         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
 497
 498         Layer::Handle layer;
 499
 500         Canvas::Handle canvas;
 501         int depth(0);
 502
 503         // we are temporarily using the layer to hold something
 504         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 505         if(layer)
 506         {
 507                 depth=layer->get_depth();
 508                 canvas=layer->get_canvas();
 509         }
 510
 511         synfigapp::SelectionManager::LayerList layer_selection;
 512         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 513                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 514
 515         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 516
 517         std::vector<BLinePoint> new_list;
 518         std::list<synfig::Point>::iterator iter;
 519         int i;
 520         for(i=0,iter=polygon_point_list.begin();iter!=polygon_point_list.end();++iter,++i)
 521         {
 522                 *iter = transform.unperform(*iter);
 523                 new_list.push_back(*(new BLinePoint));
 524                 new_list[i].set_width(1);
 525                 new_list[i].set_vertex(*iter);
 526                 new_list[i].set_tangent(Point(0,0));
 527         }
 528
 529         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 530         assert(value_node_bline);
 531
 532         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 533         assert(value_node_origin);
 534
 535         // Set the looping flag
 536         value_node_bline->set_loop(true);
 537
 538         if(!canvas)
 539                 canvas=get_canvas_view()->get_canvas();
 540
 541         value_node_bline->set_member_canvas(canvas);
 542
 543         // count how many layers we're going to be creating
 544         int layers_to_create = this->layers_to_create();
 545
 546         ///////////////////////////////////////////////////////////////////////////
 547         //   P O L Y G O N
 548         ///////////////////////////////////////////////////////////////////////////
 549
 550         if (get_layer_polygon_flag())
 551         {
 552                 layer=get_canvas_interface()->add_layer_to("polygon",canvas,depth);
 553                 if (!layer)
 554                 {
 555                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 556                         group.cancel();
 557                         return;
 558                 }
 559                 layer_selection.push_back(layer);
 560
 561                 layer->set_param("invert",get_invert());
 562                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 563
 564                 if(get_feather())
 565                 {
 566                         layer->set_param("feather",get_feather());
 567                         get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 568                 }
 569
 570                 layer->set_description(get_id());
 571                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 572
 573                 layer->disconnect_dynamic_param("vector_list");
 574                 if(!layer->set_param("vector_list",polygon_point_list))
 575                 {
 576                         group.cancel();
 577                         get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
 578                         return;
 579                 }
 580
 581                 {
 582                         synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescConvert"));
 583                         synfigapp::ValueDesc value_desc(layer,"vector_list");
 584                         action->set_param("canvas",get_canvas());
 585                         action->set_param("canvas_interface",get_canvas_interface());
 586                         action->set_param("value_desc",value_desc);
 587                         action->set_param("type","dynamic_list");
 588                         action->set_param("time",get_canvas_interface()->get_time());
 589                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 590                         {
 591                                 group.cancel();
 592                                 get_canvas_view()->get_ui_interface()->error("Unable to execute action \"ValueDescConvert\"");
 593                                 return;
 594                         }
 595                 }
 596
 597                 // only link the polygon's origin parameter if the option is selected and we're creating more than one layer
 598                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 599                 {
 600                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 601                         assert(action);
 602
 603                         action->set_param("canvas",get_canvas());
 604                         action->set_param("canvas_interface",get_canvas_interface());
 605                         action->set_param("layer",layer);
 606                         if(!action->set_param("param",String("origin")))
 607                                 synfig::error("LayerParamConnect didn't like \"param\"");
 608                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 609                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 610
 611                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 612                         {
 613                                 get_canvas_view()->get_ui_interface()->error(_("Unable to create Polygon layer"));
 614                                 group.cancel();
 615                                 throw String(_("Unable to create Polygon layer"));
 616                                 return;
 617                         }
 618                 }
 619         }
 620
 621         ///////////////////////////////////////////////////////////////////////////
 622         //   C U R V E   G R A D I E N T
 623         ///////////////////////////////////////////////////////////////////////////
 624
 625         if(get_layer_curve_gradient_flag())
 626         {
 627                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 628
 629                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 630                 if (!layer)
 631                 {
 632                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 633                         group.cancel();
 634                         return;
 635                 }
 636                 layer_selection.push_back(layer);
 637                 layer->set_description(get_id()+_(" Gradient"));
 638                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 639
 640                 {
 641                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 642                         assert(action);
 643
 644                         action->set_param("canvas",get_canvas());
 645                         action->set_param("canvas_interface",get_canvas_interface());
 646                         action->set_param("layer",layer);
 647                         if(!action->set_param("param",String("bline")))
 648                                 synfig::error("LayerParamConnect didn't like \"param\"");
 649                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 650                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 651
 652                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 653                         {
 654                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 655                                 group.cancel();
 656                                 throw String(_("Unable to create Gradient layer"));
 657                                 return;
 658                         }
 659                 }
 660
 661                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 662                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 663                 {
 664                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 665                         assert(action);
 666
 667                         action->set_param("canvas",get_canvas());
 668                         action->set_param("canvas_interface",get_canvas_interface());
 669                         action->set_param("layer",layer);
 670                         if(!action->set_param("param",String("origin")))
 671                                 synfig::error("LayerParamConnect didn't like \"param\"");
 672                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 673                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 674
 675                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 676                         {
 677                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 678                                 group.cancel();
 679                                 throw String(_("Unable to create Gradient layer"));
 680                                 return;
 681                         }
 682                 }
 683         }
 684
 685         ///////////////////////////////////////////////////////////////////////////
 686         //   P L A N T
 687         ///////////////////////////////////////////////////////////////////////////
 688
 689         if(get_layer_plant_flag())
 690         {
 691                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 692
 693                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 694                 if (!layer)
 695                 {
 696                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 697                         group.cancel();
 698                         return;
 699                 }
 700                 layer_selection.push_back(layer);
 701                 layer->set_description(get_id()+_(" Plant"));
 702                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 703
 704                 {
 705                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 706                         assert(action);
 707
 708                         action->set_param("canvas",get_canvas());
 709                         action->set_param("canvas_interface",get_canvas_interface());
 710                         action->set_param("layer",layer);
 711                         if(!action->set_param("param",String("bline")))
 712                                 synfig::error("LayerParamConnect didn't like \"param\"");
 713                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 714                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 715
 716                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 717                         {
 718                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 719                                 group.cancel();
 720                                 throw String(_("Unable to create Plant layer"));
 721                                 return;
 722                         }
 723                 }
 724
 725                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 726                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 727                 {
 728                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 729                         assert(action);
 730
 731                         action->set_param("canvas",get_canvas());
 732                         action->set_param("canvas_interface",get_canvas_interface());
 733                         action->set_param("layer",layer);
 734                         if(!action->set_param("param",String("origin")))
 735                                 synfig::error("LayerParamConnect didn't like \"param\"");
 736                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 737                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 738
 739                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 740                         {
 741                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 742                                 group.cancel();
 743                                 throw String(_("Unable to create Plant layer"));
 744                                 return;
 745                         }
 746                 }
 747         }
 748
 749         ///////////////////////////////////////////////////////////////////////////
 750         //   R E G I O N
 751         ///////////////////////////////////////////////////////////////////////////
 752
 753         if(get_layer_region_flag())
 754         {
 755                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 756
 757                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 758                 if (!layer)
 759                 {
 760                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 761                         group.cancel();
 762                         return;
 763                 }
 764                 layer_selection.push_back(layer);
 765                 layer->set_description(get_id()+_(" Region"));
 766                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 767
 768                 layer->set_param("feather",get_feather());
 769                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 770
 771                 layer->set_param("invert",get_invert());
 772                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 773
 774                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 775                 // using 2 separate ones.
 776                 {
 777                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 778                         assert(action);
 779
 780                         action->set_param("canvas",get_canvas());
 781                         action->set_param("canvas_interface",get_canvas_interface());
 782                         action->set_param("layer",layer);
 783                         if(!action->set_param("param",String("bline")))
 784                                 synfig::error("LayerParamConnect didn't like \"param\"");
 785                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 786                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 787
 788                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 789                         {
 790                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 791                                 group.cancel();
 792                                 throw String(_("Unable to create Region layer"));
 793                                 return;
 794                         }
 795                 }
 796
 797                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 798                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 799                 {
 800                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 801                         assert(action);
 802
 803                         action->set_param("canvas",get_canvas());
 804                         action->set_param("canvas_interface",get_canvas_interface());
 805                         action->set_param("layer",layer);
 806                         if(!action->set_param("param",String("origin")))
 807                                 synfig::error("LayerParamConnect didn't like \"param\"");
 808                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 809                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 810
 811                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 812                         {
 813                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 814                                 group.cancel();
 815                                 throw String(_("Unable to create Region layer"));
 816                                 return;
 817                         }
 818                 }
 819         }
 820
 821         ///////////////////////////////////////////////////////////////////////////
 822         //   O U T L I N E
 823         ///////////////////////////////////////////////////////////////////////////
 824
 825         if (get_layer_outline_flag())
 826         {
 827                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 828                 if (!layer)
 829                 {
 830                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 831                         group.cancel();
 832                         return;
 833                 }
 834                 layer_selection.push_back(layer);
 835                 layer->set_description(get_id()+_(" Outline"));
 836                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 837
 838                 layer->set_param("feather",get_feather());
 839                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 840
 841                 layer->set_param("invert",get_invert());
 842                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 843
 844                 {
 845                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 846                         assert(action);
 847
 848                         action->set_param("canvas",get_canvas());
 849                         action->set_param("canvas_interface",get_canvas_interface());
 850                         action->set_param("layer",layer);
 851                         if(!action->set_param("param",String("bline")))
 852                                 synfig::error("LayerParamConnect didn't like \"param\"");
 853                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 854                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 855
 856                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 857                         {
 858                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 859                                 group.cancel();
 860                                 throw String(_("Unable to create Outline layer"));
 861                                 return;
 862                         }
 863                 }
 864
 865                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 866                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 867                 {
 868                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 869                         assert(action);
 870
 871                         action->set_param("canvas",get_canvas());
 872                         action->set_param("canvas_interface",get_canvas_interface());
 873                         action->set_param("layer",layer);
 874                         if(!action->set_param("param",String("origin")))
 875                                 synfig::error("LayerParamConnect didn't like \"param\"");
 876                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 877                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 878
 879                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 880                         {
 881                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 882                                 group.cancel();
 883                                 throw String(_("Unable to create Outline layer"));
 884                                 return;
 885                         }
 886                 }
 887         }
 888
 889         egress_on_selection_change=false;
 890         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 891         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 892         egress_on_selection_change=true;
 893
 894         //post clean up stuff...
 895         reset();
 896         increment_id();
 897 }
 898
 899 Smach::event_result
 900 StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
 901 {
 902         synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
 903         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 904         switch(event.button)
 905         {
 906         case BUTTON_LEFT:
 907                 polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
 908                 refresh_ducks();
 909                 return Smach::RESULT_ACCEPT;
 910
 911         default:
 912                 return Smach::RESULT_OK;
 913         }
 914 }
 915
 916
 917 void
 918 StatePolygon_Context::refresh_ducks()
 919 {
 920         get_work_area()->clear_ducks();
 921         get_work_area()->queue_draw();
 922
 923         if(polygon_point_list.empty()) return;
 924
 925         std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
 926
 927         etl::handle<WorkArea::Duck> duck;
 928         duck=new WorkArea::Duck(*iter);
 929         duck->set_editable(true);
 930         duck->signal_edited().connect(
 931                 sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 932         );
 933         duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 934
 935         get_work_area()->add_duck(duck);
 936
 937         for(++iter;iter!=polygon_point_list.end();++iter)
 938         {
 939                 etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
 940                 bezier->p1=bezier->c1=duck;
 941
 942                 duck=new WorkArea::Duck(*iter);
 943                 duck->set_editable(true);
 944                 duck->set_name(strprintf("%x",&*iter));
 945                 duck->signal_edited().connect(
 946                         sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 947                 );
 948
 949                 get_work_area()->add_duck(duck);
 950
 951                 bezier->p2=bezier->c2=duck;
 952                 get_work_area()->add_bezier(bezier);
 953         }
 954         get_work_area()->queue_draw();
 955 }
 956
 957
 958 bool
 959 StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
 960 {
 961         *iter=point;
 962         return true;
 963 }