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                 synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
 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         }
 253         catch(...)
 254         {
 255                 synfig::warning("State Polygon: Caught exception when attempting to load settings.");
 256         }
 257 }
 258
 259 void
 260 StatePolygon_Context::save_settings()
 261 {
 262         try
 263         {
 264                 synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
 265                 settings.set_value("polygon.id",get_id().c_str());
 266                 settings.set_value("polygon.invert",get_invert()?"1":"0");
 267                 settings.set_value("polygon.layer_polygon",get_layer_polygon_flag()?"1":"0");
 268                 settings.set_value("polygon.layer_outline",get_layer_outline_flag()?"1":"0");
 269                 settings.set_value("polygon.layer_region",get_layer_region_flag()?"1":"0");
 270                 settings.set_value("polygon.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 271                 settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
 272                 settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 273                 settings.set_value("polygon.feather",strprintf("%f",get_feather()));
 274         }
 275         catch(...)
 276         {
 277                 synfig::warning("State Polygon: Caught exception when attempting to save settings.");
 278         }
 279 }
 280
 281 void
 282 StatePolygon_Context::reset()
 283 {
 284         polygon_point_list.clear();
 285         refresh_ducks();
 286 }
 287
 288 void
 289 StatePolygon_Context::increment_id()
 290 {
 291         String id(get_id());
 292         int number=1;
 293         int digits=0;
 294
 295         if(id.empty())
 296                 id="Polygon";
 297
 298         // If there is a number
 299         // already at the end of the
 300         // id, then remove it.
 301         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 302         {
 303                 // figure out how many digits it is
 304                 for (digits = 0;
 305                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 306                          digits++)
 307                         ;
 308
 309                 String str_number;
 310                 str_number=String(id,id.size()-digits,id.size());
 311                 id=String(id,0,id.size()-digits);
 312
 313                 number=atoi(str_number.c_str());
 314         }
 315         else
 316         {
 317                 number=1;
 318                 digits=3;
 319         }
 320
 321         number++;
 322
 323         // Add the number back onto the id
 324         {
 325                 const String format(strprintf("%%0%dd",digits));
 326                 id+=strprintf(format.c_str(),number);
 327         }
 328
 329         // Set the ID
 330         set_id(id);
 331 }
 332
 333 StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
 334         canvas_view_(canvas_view),
 335         is_working(*canvas_view),
 336         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 337         duckmatic_push(get_work_area()),
 338         settings(synfigapp::Main::get_selected_input_device()->settings()),
 339         entry_id(),
 340         checkbutton_invert(_("Invert")),
 341         checkbutton_layer_polygon(_("Create Polygon Layer")),
 342         checkbutton_layer_region(_("Create Region BLine")),
 343         checkbutton_layer_outline(_("Create Outline BLine")),
 344         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 345         checkbutton_layer_plant(_("Create Plant BLine")),
 346         checkbutton_layer_link_origins(_("Link Origins")),
 347         button_make(_("Make")),
 348         adj_feather(0,0,10000,0.01,0.1),
 349         spin_feather(adj_feather,0.01,4)
 350 {
 351         egress_on_selection_change=true;
 352         load_settings();
 353
 354         // Set up the tool options dialog
 355         options_table.attach(*manage(new Gtk::Label(_("Polygon Tool"))),        0, 2, 0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 356         options_table.attach(entry_id,                                                                          0, 2, 1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 357
 358         options_table.attach(checkbutton_layer_polygon,                                         0, 2, 2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 359         options_table.attach(checkbutton_layer_outline,                                         0, 2, 3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 360         options_table.attach(checkbutton_layer_region,                                          0, 2, 4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 361         options_table.attach(checkbutton_layer_plant,                                           0, 2, 5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 362         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2, 6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 363         options_table.attach(checkbutton_layer_link_origins,                            0, 2, 7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 364
 365         //invert flag
 366         options_table.attach(checkbutton_invert,                                                        0, 2, 8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 367
 368         //feather stuff
 369         options_table.attach(*manage(new Gtk::Label(_("Feather"))),             0, 1, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 370         options_table.attach(spin_feather,                                                                      1, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 371
 372         //options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 373         button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 374         options_table.show_all();
 375         refresh_tool_options();
 376         App::dialog_tool_options->present();
 377
 378
 379         // Turn off layer clicking
 380         get_work_area()->set_allow_layer_clicks(false);
 381
 382         // clear out the ducks
 383         get_work_area()->clear_ducks();
 384
 385         // Refresh the work area
 386         get_work_area()->queue_draw();
 387
 388         get_work_area()->set_cursor(Gdk::CROSSHAIR);
 389
 390         // Hide the tables if they are showing
 391         prev_table_status=get_canvas_view()->tables_are_visible();
 392         if(prev_table_status)get_canvas_view()->hide_tables();
 393
 394         // Disable the time bar
 395         get_canvas_view()->set_sensitive_timebar(false);
 396
 397         // Connect a signal
 398         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_user_click));
 399
 400         App::toolbox->refresh();
 401 }
 402
 403 void
 404 StatePolygon_Context::refresh_tool_options()
 405 {
 406         App::dialog_tool_options->clear();
 407         App::dialog_tool_options->set_widget(options_table);
 408
 409         App::dialog_tool_options->set_local_name(_("Polygon Tool"));
 410         App::dialog_tool_options->set_name("polygon");
 411
 412         App::dialog_tool_options->add_button(
 413                 Gtk::StockID("gtk-execute"),
 414                 _("Make Polygon")
 415         )->signal_clicked().connect(
 416                 sigc::mem_fun(
 417                         *this,
 418                         &StatePolygon_Context::run
 419                 )
 420         );
 421
 422         App::dialog_tool_options->add_button(
 423                 Gtk::StockID("gtk-clear"),
 424                 _("Clear current Polygon")
 425         )->signal_clicked().connect(
 426                 sigc::mem_fun(
 427                         *this,
 428                         &StatePolygon_Context::reset
 429                 )
 430         );
 431 }
 432
 433 Smach::event_result
 434 StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 435 {
 436         refresh_tool_options();
 437         return Smach::RESULT_ACCEPT;
 438 }
 439
 440 StatePolygon_Context::~StatePolygon_Context()
 441 {
 442         run();
 443
 444         save_settings();
 445         // Restore layer clicking
 446         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 447
 448         App::dialog_tool_options->clear();
 449
 450         get_work_area()->reset_cursor();
 451
 452         // Enable the time bar
 453         get_canvas_view()->set_sensitive_timebar(true);
 454
 455         // Bring back the tables if they were out before
 456         if(prev_table_status)get_canvas_view()->show_tables();
 457
 458         // Refresh the work area
 459         get_work_area()->queue_draw();
 460
 461         App::toolbox->refresh();
 462 }
 463
 464 Smach::event_result
 465 StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
 466 {
 467         synfig::info("STATE RotoPolygon: Received Stop Event");
 468         //throw Smach::egress_exception();
 469         reset();
 470         return Smach::RESULT_ACCEPT;
 471
 472 }
 473
 474 Smach::event_result
 475 StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
 476 {
 477         synfig::info("STATE RotoPolygon: Received Refresh Event");
 478         refresh_ducks();
 479         return Smach::RESULT_ACCEPT;
 480 }
 481
 482 void
 483 StatePolygon_Context::run()
 484 {
 485         if(polygon_point_list.empty())
 486                 return;
 487
 488         if(polygon_point_list.size()<3)
 489         {
 490                 get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
 491                 return;
 492         }
 493
 494         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
 495
 496         Layer::Handle layer;
 497
 498         Canvas::Handle canvas;
 499         int depth(0);
 500
 501         // we are temporarily using the layer to hold something
 502         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 503         if(layer)
 504         {
 505                 depth=layer->get_depth();
 506                 canvas=layer->get_canvas();
 507         }
 508
 509         synfigapp::SelectionManager::LayerList layer_selection;
 510         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 511                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 512
 513         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 514
 515         std::vector<BLinePoint> new_list;
 516         std::list<synfig::Point>::iterator iter;
 517         int i;
 518         for(i=0,iter=polygon_point_list.begin();iter!=polygon_point_list.end();++iter,++i)
 519         {
 520                 *iter = transform.unperform(*iter);
 521                 new_list.push_back(*(new BLinePoint));
 522                 new_list[i].set_width(1);
 523                 new_list[i].set_vertex(*iter);
 524                 new_list[i].set_tangent(Point(0,0));
 525         }
 526
 527         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 528         assert(value_node_bline);
 529
 530         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 531         assert(value_node_origin);
 532
 533         // Set the looping flag
 534         value_node_bline->set_loop(true);
 535
 536         if(!canvas)
 537                 canvas=get_canvas_view()->get_canvas();
 538
 539         value_node_bline->set_member_canvas(canvas);
 540
 541         // count how many layers we're going to be creating
 542         int layers_to_create = this->layers_to_create();
 543
 544         ///////////////////////////////////////////////////////////////////////////
 545         //   P O L Y G O N
 546         ///////////////////////////////////////////////////////////////////////////
 547
 548         if (get_layer_polygon_flag())
 549         {
 550                 layer=get_canvas_interface()->add_layer_to("polygon",canvas,depth);
 551                 if (!layer)
 552                 {
 553                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 554                         group.cancel();
 555                         return;
 556                 }
 557                 layer_selection.push_back(layer);
 558
 559                 layer->set_param("invert",get_invert());
 560                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 561
 562                 if(get_feather())
 563                 {
 564                         layer->set_param("feather",get_feather());
 565                         get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 566                 }
 567
 568                 layer->set_description(get_id());
 569                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 570
 571                 layer->disconnect_dynamic_param("vector_list");
 572                 if(!layer->set_param("vector_list",polygon_point_list))
 573                 {
 574                         group.cancel();
 575                         get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
 576                         return;
 577                 }
 578
 579                 {
 580                         synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescConvert"));
 581                         synfigapp::ValueDesc value_desc(layer,"vector_list");
 582                         action->set_param("canvas",get_canvas());
 583                         action->set_param("canvas_interface",get_canvas_interface());
 584                         action->set_param("value_desc",value_desc);
 585                         action->set_param("type","dynamic_list");
 586                         action->set_param("time",get_canvas_interface()->get_time());
 587                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 588                         {
 589                                 group.cancel();
 590                                 get_canvas_view()->get_ui_interface()->error("Unable to execute action \"ValueDescConvert\"");
 591                                 return;
 592                         }
 593                 }
 594
 595                 // only link the polygon's origin parameter if the option is selected and we're creating more than one layer
 596                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 597                 {
 598                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 599                         assert(action);
 600
 601                         action->set_param("canvas",get_canvas());
 602                         action->set_param("canvas_interface",get_canvas_interface());
 603                         action->set_param("layer",layer);
 604                         if(!action->set_param("param",String("origin")))
 605                                 synfig::error("LayerParamConnect didn't like \"param\"");
 606                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 607                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 608
 609                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 610                         {
 611                                 get_canvas_view()->get_ui_interface()->error(_("Unable to create Polygon layer"));
 612                                 group.cancel();
 613                                 throw String(_("Unable to create Polygon layer"));
 614                                 return;
 615                         }
 616                 }
 617         }
 618
 619         ///////////////////////////////////////////////////////////////////////////
 620         //   C U R V E   G R A D I E N T
 621         ///////////////////////////////////////////////////////////////////////////
 622
 623         if(get_layer_curve_gradient_flag())
 624         {
 625                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 626
 627                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 628                 if (!layer)
 629                 {
 630                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 631                         group.cancel();
 632                         return;
 633                 }
 634                 layer_selection.push_back(layer);
 635                 layer->set_description(get_id()+_(" Gradient"));
 636                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 637
 638                 {
 639                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 640                         assert(action);
 641
 642                         action->set_param("canvas",get_canvas());
 643                         action->set_param("canvas_interface",get_canvas_interface());
 644                         action->set_param("layer",layer);
 645                         if(!action->set_param("param",String("bline")))
 646                                 synfig::error("LayerParamConnect didn't like \"param\"");
 647                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 648                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 649
 650                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 651                         {
 652                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 653                                 group.cancel();
 654                                 throw String(_("Unable to create Gradient layer"));
 655                                 return;
 656                         }
 657                 }
 658
 659                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 660                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 661                 {
 662                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 663                         assert(action);
 664
 665                         action->set_param("canvas",get_canvas());
 666                         action->set_param("canvas_interface",get_canvas_interface());
 667                         action->set_param("layer",layer);
 668                         if(!action->set_param("param",String("origin")))
 669                                 synfig::error("LayerParamConnect didn't like \"param\"");
 670                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 671                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 672
 673                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 674                         {
 675                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 676                                 group.cancel();
 677                                 throw String(_("Unable to create Gradient layer"));
 678                                 return;
 679                         }
 680                 }
 681         }
 682
 683         ///////////////////////////////////////////////////////////////////////////
 684         //   P L A N T
 685         ///////////////////////////////////////////////////////////////////////////
 686
 687         if(get_layer_plant_flag())
 688         {
 689                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 690
 691                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 692                 if (!layer)
 693                 {
 694                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 695                         group.cancel();
 696                         return;
 697                 }
 698                 layer_selection.push_back(layer);
 699                 layer->set_description(get_id()+_(" Plant"));
 700                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 701
 702                 {
 703                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 704                         assert(action);
 705
 706                         action->set_param("canvas",get_canvas());
 707                         action->set_param("canvas_interface",get_canvas_interface());
 708                         action->set_param("layer",layer);
 709                         if(!action->set_param("param",String("bline")))
 710                                 synfig::error("LayerParamConnect didn't like \"param\"");
 711                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 712                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 713
 714                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 715                         {
 716                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 717                                 group.cancel();
 718                                 throw String(_("Unable to create Plant layer"));
 719                                 return;
 720                         }
 721                 }
 722
 723                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 724                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 725                 {
 726                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 727                         assert(action);
 728
 729                         action->set_param("canvas",get_canvas());
 730                         action->set_param("canvas_interface",get_canvas_interface());
 731                         action->set_param("layer",layer);
 732                         if(!action->set_param("param",String("origin")))
 733                                 synfig::error("LayerParamConnect didn't like \"param\"");
 734                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 735                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 736
 737                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 738                         {
 739                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 740                                 group.cancel();
 741                                 throw String(_("Unable to create Plant layer"));
 742                                 return;
 743                         }
 744                 }
 745         }
 746
 747         ///////////////////////////////////////////////////////////////////////////
 748         //   R E G I O N
 749         ///////////////////////////////////////////////////////////////////////////
 750
 751         if(get_layer_region_flag())
 752         {
 753                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 754
 755                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 756                 if (!layer)
 757                 {
 758                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 759                         group.cancel();
 760                         return;
 761                 }
 762                 layer_selection.push_back(layer);
 763                 layer->set_description(get_id()+_(" Region"));
 764                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 765
 766                 layer->set_param("feather",get_feather());
 767                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 768
 769                 layer->set_param("invert",get_invert());
 770                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 771
 772                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 773                 // using 2 separate ones.
 774                 {
 775                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 776                         assert(action);
 777
 778                         action->set_param("canvas",get_canvas());
 779                         action->set_param("canvas_interface",get_canvas_interface());
 780                         action->set_param("layer",layer);
 781                         if(!action->set_param("param",String("bline")))
 782                                 synfig::error("LayerParamConnect didn't like \"param\"");
 783                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 784                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 785
 786                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 787                         {
 788                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 789                                 group.cancel();
 790                                 throw String(_("Unable to create Region layer"));
 791                                 return;
 792                         }
 793                 }
 794
 795                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 796                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 797                 {
 798                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 799                         assert(action);
 800
 801                         action->set_param("canvas",get_canvas());
 802                         action->set_param("canvas_interface",get_canvas_interface());
 803                         action->set_param("layer",layer);
 804                         if(!action->set_param("param",String("origin")))
 805                                 synfig::error("LayerParamConnect didn't like \"param\"");
 806                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 807                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 808
 809                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 810                         {
 811                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 812                                 group.cancel();
 813                                 throw String(_("Unable to create Region layer"));
 814                                 return;
 815                         }
 816                 }
 817         }
 818
 819         ///////////////////////////////////////////////////////////////////////////
 820         //   O U T L I N E
 821         ///////////////////////////////////////////////////////////////////////////
 822
 823         if (get_layer_outline_flag())
 824         {
 825                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 826                 if (!layer)
 827                 {
 828                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 829                         group.cancel();
 830                         return;
 831                 }
 832                 layer_selection.push_back(layer);
 833                 layer->set_description(get_id()+_(" Outline"));
 834                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 835
 836                 layer->set_param("feather",get_feather());
 837                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 838
 839                 layer->set_param("invert",get_invert());
 840                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 841
 842                 {
 843                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 844                         assert(action);
 845
 846                         action->set_param("canvas",get_canvas());
 847                         action->set_param("canvas_interface",get_canvas_interface());
 848                         action->set_param("layer",layer);
 849                         if(!action->set_param("param",String("bline")))
 850                                 synfig::error("LayerParamConnect didn't like \"param\"");
 851                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 852                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 853
 854                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 855                         {
 856                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 857                                 group.cancel();
 858                                 throw String(_("Unable to create Outline layer"));
 859                                 return;
 860                         }
 861                 }
 862
 863                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 864                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 865                 {
 866                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 867                         assert(action);
 868
 869                         action->set_param("canvas",get_canvas());
 870                         action->set_param("canvas_interface",get_canvas_interface());
 871                         action->set_param("layer",layer);
 872                         if(!action->set_param("param",String("origin")))
 873                                 synfig::error("LayerParamConnect didn't like \"param\"");
 874                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 875                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 876
 877                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 878                         {
 879                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 880                                 group.cancel();
 881                                 throw String(_("Unable to create Outline layer"));
 882                                 return;
 883                         }
 884                 }
 885         }
 886
 887         egress_on_selection_change=false;
 888         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 889         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 890         egress_on_selection_change=true;
 891
 892         //post clean up stuff...
 893         reset();
 894         increment_id();
 895 }
 896
 897 Smach::event_result
 898 StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
 899 {
 900         synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
 901         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 902         switch(event.button)
 903         {
 904         case BUTTON_LEFT:
 905                 polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
 906                 refresh_ducks();
 907                 return Smach::RESULT_ACCEPT;
 908
 909         default:
 910                 return Smach::RESULT_OK;
 911         }
 912 }
 913
 914
 915 void
 916 StatePolygon_Context::refresh_ducks()
 917 {
 918         get_work_area()->clear_ducks();
 919         get_work_area()->queue_draw();
 920
 921         if(polygon_point_list.empty()) return;
 922
 923         std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
 924
 925         etl::handle<WorkArea::Duck> duck;
 926         duck=new WorkArea::Duck(*iter);
 927         duck->set_editable(true);
 928         duck->signal_edited().connect(
 929                 sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 930         );
 931         duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 932
 933         get_work_area()->add_duck(duck);
 934
 935         for(++iter;iter!=polygon_point_list.end();++iter)
 936         {
 937                 etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
 938                 bezier->p1=bezier->c1=duck;
 939
 940                 duck=new WorkArea::Duck(*iter);
 941                 duck->set_editable(true);
 942                 duck->set_name(strprintf("%x",&*iter));
 943                 duck->signal_edited().connect(
 944                         sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 945                 );
 946
 947                 get_work_area()->add_duck(duck);
 948
 949                 bezier->p2=bezier->c2=duck;
 950                 get_work_area()->add_bezier(bezier);
 951         }
 952         get_work_area()->queue_draw();
 953 }
 954
 955
 956 bool
 957 StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
 958 {
 959         *iter=point;
 960         return true;
 961 }