synfig-studio/src/gtkmm/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 "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         String value;
 203
 204         if(settings.get_value("polygon.id",value))
 205                 set_id(value);
 206         else
 207                 set_id("Polygon");
 208
 209         if(settings.get_value("polygon.invert",value) && value != "0")
 210                 set_invert(true);
 211         else
 212                 set_invert(false);
 213
 214         if(settings.get_value("polygon.layer_polygon",value) && value=="0")
 215                 set_layer_polygon_flag(false);
 216         else
 217                 set_layer_polygon_flag(true);
 218
 219         if(settings.get_value("polygon.layer_region",value) && value=="1")
 220                 set_layer_region_flag(true);
 221         else
 222                 set_layer_region_flag(false);
 223
 224         if(settings.get_value("polygon.layer_outline",value) && value=="1")
 225                 set_layer_outline_flag(true);
 226         else
 227                 set_layer_outline_flag(false);
 228
 229         if(settings.get_value("polygon.layer_curve_gradient",value) && value=="1")
 230                 set_layer_curve_gradient_flag(true);
 231         else
 232                 set_layer_curve_gradient_flag(false);
 233
 234         if(settings.get_value("polygon.layer_plant",value) && value=="1")
 235                 set_layer_plant_flag(true);
 236         else
 237                 set_layer_plant_flag(false);
 238
 239         if(settings.get_value("polygon.layer_link_origins",value) && value=="0")
 240                 set_layer_link_origins_flag(false);
 241         else
 242                 set_layer_link_origins_flag(true);
 243
 244         if(settings.get_value("polygon.feather",value))
 245         {
 246                 Real n = atof(value.c_str());
 247                 set_feather(n);
 248         }
 249 }
 250
 251 void
 252 StatePolygon_Context::save_settings()
 253 {
 254         settings.set_value("polygon.id",get_id().c_str());
 255         settings.set_value("polygon.invert",get_invert()?"1":"0");
 256         settings.set_value("polygon.layer_polygon",get_layer_polygon_flag()?"1":"0");
 257         settings.set_value("polygon.layer_outline",get_layer_outline_flag()?"1":"0");
 258         settings.set_value("polygon.layer_region",get_layer_region_flag()?"1":"0");
 259         settings.set_value("polygon.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 260         settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
 261         settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 262         settings.set_value("polygon.feather",strprintf("%f",get_feather()));
 263 }
 264
 265 void
 266 StatePolygon_Context::reset()
 267 {
 268         polygon_point_list.clear();
 269         refresh_ducks();
 270 }
 271
 272 void
 273 StatePolygon_Context::increment_id()
 274 {
 275         String id(get_id());
 276         int number=1;
 277         int digits=0;
 278
 279         if(id.empty())
 280                 id="Polygon";
 281
 282         // If there is a number
 283         // already at the end of the
 284         // id, then remove it.
 285         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 286         {
 287                 // figure out how many digits it is
 288                 for (digits = 0;
 289                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 290                          digits++)
 291                         ;
 292
 293                 String str_number;
 294                 str_number=String(id,id.size()-digits,id.size());
 295                 id=String(id,0,id.size()-digits);
 296
 297                 number=atoi(str_number.c_str());
 298         }
 299         else
 300         {
 301                 number=1;
 302                 digits=3;
 303         }
 304
 305         number++;
 306
 307         // Add the number back onto the id
 308         {
 309                 const String format(strprintf("%%0%dd",digits));
 310                 id+=strprintf(format.c_str(),number);
 311         }
 312
 313         // Set the ID
 314         set_id(id);
 315 }
 316
 317 StatePolygon_Context::StatePolygon_Context(CanvasView* canvas_view):
 318         canvas_view_(canvas_view),
 319         is_working(*canvas_view),
 320         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 321         duckmatic_push(get_work_area()),
 322         settings(synfigapp::Main::get_selected_input_device()->settings()),
 323         entry_id(),
 324         checkbutton_invert(_("Invert")),
 325         checkbutton_layer_polygon(_("Create Polygon Layer")),
 326         checkbutton_layer_region(_("Create Region BLine")),
 327         checkbutton_layer_outline(_("Create Outline BLine")),
 328         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 329         checkbutton_layer_plant(_("Create Plant BLine")),
 330         checkbutton_layer_link_origins(_("Link Origins")),
 331         button_make(_("Make")),
 332         adj_feather(0,0,10000,0.01,0.1),
 333         spin_feather(adj_feather,0.01,4)
 334 {
 335         egress_on_selection_change=true;
 336         load_settings();
 337
 338         // Set up the tool options dialog
 339         options_table.attach(*manage(new Gtk::Label(_("Polygon Tool"))),        0, 2, 0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 340         options_table.attach(entry_id,                                                                          0, 2, 1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 341
 342         options_table.attach(checkbutton_layer_polygon,                                         0, 2, 2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 343         options_table.attach(checkbutton_layer_outline,                                         0, 2, 3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 344         options_table.attach(checkbutton_layer_region,                                          0, 2, 4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 345         options_table.attach(checkbutton_layer_plant,                                           0, 2, 5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 346         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2, 6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 347         options_table.attach(checkbutton_layer_link_origins,                            0, 2, 7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 348
 349         //invert flag
 350         options_table.attach(checkbutton_invert,                                                        0, 2, 8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 351
 352         //feather stuff
 353         options_table.attach(*manage(new Gtk::Label(_("Feather"))),             0, 1, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 354         options_table.attach(spin_feather,                                                                      1, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 355
 356         //options_table.attach(button_make, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 357         button_make.signal_pressed().connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 358         options_table.show_all();
 359         refresh_tool_options();
 360         App::dialog_tool_options->present();
 361
 362
 363         // Turn off layer clicking
 364         get_work_area()->set_allow_layer_clicks(false);
 365
 366         // clear out the ducks
 367         get_work_area()->clear_ducks();
 368
 369         // Refresh the work area
 370         get_work_area()->queue_draw();
 371
 372         get_work_area()->set_cursor(Gdk::CROSSHAIR);
 373
 374         // Hide the tables if they are showing
 375         prev_table_status=get_canvas_view()->tables_are_visible();
 376         if(prev_table_status)get_canvas_view()->hide_tables();
 377
 378         // Disable the time bar
 379         get_canvas_view()->set_sensitive_timebar(false);
 380
 381         // Connect a signal
 382         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_user_click));
 383
 384         App::toolbox->refresh();
 385 }
 386
 387 void
 388 StatePolygon_Context::refresh_tool_options()
 389 {
 390         App::dialog_tool_options->clear();
 391         App::dialog_tool_options->set_widget(options_table);
 392
 393         App::dialog_tool_options->set_local_name(_("Polygon Tool"));
 394         App::dialog_tool_options->set_name("polygon");
 395
 396         App::dialog_tool_options->add_button(
 397                 Gtk::StockID("gtk-execute"),
 398                 _("Make Polygon")
 399         )->signal_clicked().connect(
 400                 sigc::mem_fun(
 401                         *this,
 402                         &StatePolygon_Context::run
 403                 )
 404         );
 405
 406         App::dialog_tool_options->add_button(
 407                 Gtk::StockID("gtk-clear"),
 408                 _("Clear current Polygon")
 409         )->signal_clicked().connect(
 410                 sigc::mem_fun(
 411                         *this,
 412                         &StatePolygon_Context::reset
 413                 )
 414         );
 415 }
 416
 417 Smach::event_result
 418 StatePolygon_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 419 {
 420         refresh_tool_options();
 421         return Smach::RESULT_ACCEPT;
 422 }
 423
 424 StatePolygon_Context::~StatePolygon_Context()
 425 {
 426         run();
 427
 428         save_settings();
 429         // Restore layer clicking
 430         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 431
 432         App::dialog_tool_options->clear();
 433
 434         get_work_area()->reset_cursor();
 435
 436         // Enable the time bar
 437         get_canvas_view()->set_sensitive_timebar(true);
 438
 439         // Bring back the tables if they were out before
 440         if(prev_table_status)get_canvas_view()->show_tables();
 441
 442         // Refresh the work area
 443         get_work_area()->queue_draw();
 444
 445         App::toolbox->refresh();
 446 }
 447
 448 Smach::event_result
 449 StatePolygon_Context::event_stop_handler(const Smach::event& /*x*/)
 450 {
 451         synfig::info("STATE RotoPolygon: Received Stop Event");
 452         //throw Smach::egress_exception();
 453         reset();
 454         return Smach::RESULT_ACCEPT;
 455
 456 }
 457
 458 Smach::event_result
 459 StatePolygon_Context::event_refresh_handler(const Smach::event& /*x*/)
 460 {
 461         synfig::info("STATE RotoPolygon: Received Refresh Event");
 462         refresh_ducks();
 463         return Smach::RESULT_ACCEPT;
 464 }
 465
 466 void
 467 StatePolygon_Context::run()
 468 {
 469         if(polygon_point_list.empty())
 470                 return;
 471
 472         if(polygon_point_list.size()<3)
 473         {
 474                 get_canvas_view()->get_ui_interface()->error("You need at least 3 points to create a polygon");
 475                 return;
 476         }
 477
 478         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Polygon"));
 479
 480         Layer::Handle layer;
 481
 482         Canvas::Handle canvas;
 483         int depth(0);
 484
 485         // we are temporarily using the layer to hold something
 486         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 487         if(layer)
 488         {
 489                 depth=layer->get_depth();
 490                 canvas=layer->get_canvas();
 491         }
 492
 493         synfigapp::SelectionManager::LayerList layer_selection;
 494         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 495                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 496
 497         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 498
 499         std::vector<BLinePoint> new_list;
 500         std::list<synfig::Point>::iterator iter;
 501         int i;
 502         for(i=0,iter=polygon_point_list.begin();iter!=polygon_point_list.end();++iter,++i)
 503         {
 504                 *iter = transform.unperform(*iter);
 505                 new_list.push_back(*(new BLinePoint));
 506                 new_list[i].set_width(1);
 507                 new_list[i].set_vertex(*iter);
 508                 new_list[i].set_tangent(Point(0,0));
 509         }
 510
 511         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 512         assert(value_node_bline);
 513
 514         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(Vector()));
 515         assert(value_node_origin);
 516
 517         // Set the looping flag
 518         value_node_bline->set_loop(true);
 519
 520         if(!canvas)
 521                 canvas=get_canvas_view()->get_canvas();
 522
 523         value_node_bline->set_member_canvas(canvas);
 524
 525         // count how many layers we're going to be creating
 526         int layers_to_create = this->layers_to_create();
 527
 528         ///////////////////////////////////////////////////////////////////////////
 529         //   P O L Y G O N
 530         ///////////////////////////////////////////////////////////////////////////
 531
 532         if (get_layer_polygon_flag())
 533         {
 534                 layer=get_canvas_interface()->add_layer_to("polygon",canvas,depth);
 535                 if (!layer)
 536                 {
 537                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 538                         group.cancel();
 539                         return;
 540                 }
 541                 layer_selection.push_back(layer);
 542
 543                 layer->set_param("invert",get_invert());
 544                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 545
 546                 if(get_feather())
 547                 {
 548                         layer->set_param("feather",get_feather());
 549                         get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 550                 }
 551
 552                 layer->set_description(get_id());
 553                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 554
 555                 layer->disconnect_dynamic_param("vector_list");
 556                 if(!layer->set_param("vector_list",polygon_point_list))
 557                 {
 558                         group.cancel();
 559                         get_canvas_view()->get_ui_interface()->error("Unable to set layer parameter");
 560                         return;
 561                 }
 562
 563                 {
 564                         synfigapp::Action::Handle action(synfigapp::Action::create("ValueDescConvert"));
 565                         synfigapp::ValueDesc value_desc(layer,"vector_list");
 566                         action->set_param("canvas",get_canvas());
 567                         action->set_param("canvas_interface",get_canvas_interface());
 568                         action->set_param("value_desc",value_desc);
 569                         action->set_param("type","dynamic_list");
 570                         action->set_param("time",get_canvas_interface()->get_time());
 571                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 572                         {
 573                                 group.cancel();
 574                                 get_canvas_view()->get_ui_interface()->error("Unable to execute action \"ValueDescConvert\"");
 575                                 return;
 576                         }
 577                 }
 578
 579                 // only link the polygon's origin parameter if the option is selected and we're creating more than one layer
 580                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 581                 {
 582                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 583                         assert(action);
 584
 585                         action->set_param("canvas",get_canvas());
 586                         action->set_param("canvas_interface",get_canvas_interface());
 587                         action->set_param("layer",layer);
 588                         if(!action->set_param("param",String("origin")))
 589                                 synfig::error("LayerParamConnect didn't like \"param\"");
 590                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 591                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 592
 593                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 594                         {
 595                                 get_canvas_view()->get_ui_interface()->error(_("Unable to create Polygon layer"));
 596                                 group.cancel();
 597                                 throw String(_("Unable to create Polygon layer"));
 598                                 return;
 599                         }
 600                 }
 601         }
 602
 603         ///////////////////////////////////////////////////////////////////////////
 604         //   C U R V E   G R A D I E N T
 605         ///////////////////////////////////////////////////////////////////////////
 606
 607         if(get_layer_curve_gradient_flag())
 608         {
 609                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 610
 611                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 612                 if (!layer)
 613                 {
 614                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 615                         group.cancel();
 616                         return;
 617                 }
 618                 layer_selection.push_back(layer);
 619                 layer->set_description(get_id()+_(" Gradient"));
 620                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 621
 622                 {
 623                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 624                         assert(action);
 625
 626                         action->set_param("canvas",get_canvas());
 627                         action->set_param("canvas_interface",get_canvas_interface());
 628                         action->set_param("layer",layer);
 629                         if(!action->set_param("param",String("bline")))
 630                                 synfig::error("LayerParamConnect didn't like \"param\"");
 631                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 632                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 633
 634                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 635                         {
 636                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 637                                 group.cancel();
 638                                 throw String(_("Unable to create Gradient layer"));
 639                                 return;
 640                         }
 641                 }
 642
 643                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 644                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 645                 {
 646                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 647                         assert(action);
 648
 649                         action->set_param("canvas",get_canvas());
 650                         action->set_param("canvas_interface",get_canvas_interface());
 651                         action->set_param("layer",layer);
 652                         if(!action->set_param("param",String("origin")))
 653                                 synfig::error("LayerParamConnect didn't like \"param\"");
 654                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 655                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 656
 657                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 658                         {
 659                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 660                                 group.cancel();
 661                                 throw String(_("Unable to create Gradient layer"));
 662                                 return;
 663                         }
 664                 }
 665         }
 666
 667         ///////////////////////////////////////////////////////////////////////////
 668         //   P L A N T
 669         ///////////////////////////////////////////////////////////////////////////
 670
 671         if(get_layer_plant_flag())
 672         {
 673                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 674
 675                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 676                 if (!layer)
 677                 {
 678                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 679                         group.cancel();
 680                         return;
 681                 }
 682                 layer_selection.push_back(layer);
 683                 layer->set_description(get_id()+_(" Plant"));
 684                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 685
 686                 {
 687                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 688                         assert(action);
 689
 690                         action->set_param("canvas",get_canvas());
 691                         action->set_param("canvas_interface",get_canvas_interface());
 692                         action->set_param("layer",layer);
 693                         if(!action->set_param("param",String("bline")))
 694                                 synfig::error("LayerParamConnect didn't like \"param\"");
 695                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 696                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 697
 698                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 699                         {
 700                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 701                                 group.cancel();
 702                                 throw String(_("Unable to create Plant layer"));
 703                                 return;
 704                         }
 705                 }
 706
 707                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 708                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 709                 {
 710                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 711                         assert(action);
 712
 713                         action->set_param("canvas",get_canvas());
 714                         action->set_param("canvas_interface",get_canvas_interface());
 715                         action->set_param("layer",layer);
 716                         if(!action->set_param("param",String("origin")))
 717                                 synfig::error("LayerParamConnect didn't like \"param\"");
 718                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 719                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 720
 721                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 722                         {
 723                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 724                                 group.cancel();
 725                                 throw String(_("Unable to create Plant layer"));
 726                                 return;
 727                         }
 728                 }
 729         }
 730
 731         ///////////////////////////////////////////////////////////////////////////
 732         //   R E G I O N
 733         ///////////////////////////////////////////////////////////////////////////
 734
 735         if(get_layer_region_flag())
 736         {
 737                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 738
 739                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 740                 if (!layer)
 741                 {
 742                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 743                         group.cancel();
 744                         return;
 745                 }
 746                 layer_selection.push_back(layer);
 747                 layer->set_description(get_id()+_(" Region"));
 748                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 749
 750                 layer->set_param("feather",get_feather());
 751                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 752
 753                 layer->set_param("invert",get_invert());
 754                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 755
 756                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 757                 // using 2 separate ones.
 758                 {
 759                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 760                         assert(action);
 761
 762                         action->set_param("canvas",get_canvas());
 763                         action->set_param("canvas_interface",get_canvas_interface());
 764                         action->set_param("layer",layer);
 765                         if(!action->set_param("param",String("bline")))
 766                                 synfig::error("LayerParamConnect didn't like \"param\"");
 767                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 768                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 769
 770                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 771                         {
 772                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 773                                 group.cancel();
 774                                 throw String(_("Unable to create Region layer"));
 775                                 return;
 776                         }
 777                 }
 778
 779                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 780                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 781                 {
 782                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 783                         assert(action);
 784
 785                         action->set_param("canvas",get_canvas());
 786                         action->set_param("canvas_interface",get_canvas_interface());
 787                         action->set_param("layer",layer);
 788                         if(!action->set_param("param",String("origin")))
 789                                 synfig::error("LayerParamConnect didn't like \"param\"");
 790                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 791                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 792
 793                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 794                         {
 795                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 796                                 group.cancel();
 797                                 throw String(_("Unable to create Region layer"));
 798                                 return;
 799                         }
 800                 }
 801         }
 802
 803         ///////////////////////////////////////////////////////////////////////////
 804         //   O U T L I N E
 805         ///////////////////////////////////////////////////////////////////////////
 806
 807         if (get_layer_outline_flag())
 808         {
 809                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 810                 if (!layer)
 811                 {
 812                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 813                         group.cancel();
 814                         return;
 815                 }
 816                 layer_selection.push_back(layer);
 817                 layer->set_description(get_id()+_(" Outline"));
 818                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 819
 820                 layer->set_param("feather",get_feather());
 821                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 822
 823                 layer->set_param("invert",get_invert());
 824                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 825
 826                 {
 827                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 828                         assert(action);
 829
 830                         action->set_param("canvas",get_canvas());
 831                         action->set_param("canvas_interface",get_canvas_interface());
 832                         action->set_param("layer",layer);
 833                         if(!action->set_param("param",String("bline")))
 834                                 synfig::error("LayerParamConnect didn't like \"param\"");
 835                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 836                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 837
 838                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 839                         {
 840                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 841                                 group.cancel();
 842                                 throw String(_("Unable to create Outline layer"));
 843                                 return;
 844                         }
 845                 }
 846
 847                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 848                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 849                 {
 850                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 851                         assert(action);
 852
 853                         action->set_param("canvas",get_canvas());
 854                         action->set_param("canvas_interface",get_canvas_interface());
 855                         action->set_param("layer",layer);
 856                         if(!action->set_param("param",String("origin")))
 857                                 synfig::error("LayerParamConnect didn't like \"param\"");
 858                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 859                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 860
 861                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 862                         {
 863                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 864                                 group.cancel();
 865                                 throw String(_("Unable to create Outline layer"));
 866                                 return;
 867                         }
 868                 }
 869         }
 870
 871         egress_on_selection_change=false;
 872         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 873         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 874         egress_on_selection_change=true;
 875
 876         //post clean up stuff...
 877         reset();
 878         increment_id();
 879 }
 880
 881 Smach::event_result
 882 StatePolygon_Context::event_mouse_click_handler(const Smach::event& x)
 883 {
 884         synfig::info("STATE ROTOPOLYGON: Received mouse button down Event");
 885         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 886         switch(event.button)
 887         {
 888         case BUTTON_LEFT:
 889                 polygon_point_list.push_back(get_work_area()->snap_point_to_grid(event.pos));
 890                 refresh_ducks();
 891                 return Smach::RESULT_ACCEPT;
 892
 893         default:
 894                 return Smach::RESULT_OK;
 895         }
 896 }
 897
 898
 899 void
 900 StatePolygon_Context::refresh_ducks()
 901 {
 902         get_work_area()->clear_ducks();
 903         get_work_area()->queue_draw();
 904
 905         if(polygon_point_list.empty()) return;
 906
 907         std::list<synfig::Point>::iterator iter=polygon_point_list.begin();
 908
 909         etl::handle<WorkArea::Duck> duck;
 910         duck=new WorkArea::Duck(*iter);
 911         duck->set_editable(true);
 912         duck->signal_edited().connect(
 913                 sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 914         );
 915         duck->signal_user_click(0).connect(sigc::mem_fun(*this,&StatePolygon_Context::run));
 916
 917         get_work_area()->add_duck(duck);
 918
 919         for(++iter;iter!=polygon_point_list.end();++iter)
 920         {
 921                 etl::handle<WorkArea::Bezier> bezier(new WorkArea::Bezier());
 922                 bezier->p1=bezier->c1=duck;
 923
 924                 duck=new WorkArea::Duck(*iter);
 925                 duck->set_editable(true);
 926                 duck->set_name(strprintf("%x",&*iter));
 927                 duck->signal_edited().connect(
 928                         sigc::bind(sigc::mem_fun(*this,&studio::StatePolygon_Context::on_polygon_duck_change),iter)
 929                 );
 930
 931                 get_work_area()->add_duck(duck);
 932
 933                 bezier->p2=bezier->c2=duck;
 934                 get_work_area()->add_bezier(bezier);
 935         }
 936         get_work_area()->queue_draw();
 937 }
 938
 939
 940 bool
 941 StatePolygon_Context::on_polygon_duck_change(const synfig::Point &point, std::list<synfig::Point>::iterator iter)
 942 {
 943         *iter=point;
 944         return true;
 945 }