synfig-studio/trunk/src/gtkmm/state_star.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_star.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) 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_star.h"
  41 #include "canvasview.h"
  42 #include "workarea.h"
  43 #include "app.h"
  44
  45 #include <synfigapp/action.h>
  46 #include "event_mouse.h"
  47 #include "event_layerclick.h"
  48 #include "toolbox.h"
  49 #include "dialog_tooloptions.h"
  50 #include <gtkmm/optionmenu.h>
  51 #include "duck.h"
  52 #include "widget_enum.h"
  53 #include <synfigapp/main.h>
  54
  55 #include "general.h"
  56
  57 #endif
  58
  59 /* === U S I N G =========================================================== */
  60
  61 using namespace std;
  62 using namespace etl;
  63 using namespace synfig;
  64 using namespace studio;
  65
  66 /* === M A C R O S ========================================================= */
  67
  68 /* === G L O B A L S ======================================================= */
  69
  70 StateStar studio::state_star;
  71
  72 /* === C L A S S E S & S T R U C T S ======================================= */
  73
  74 class studio::StateStar_Context : public sigc::trackable
  75 {
  76         etl::handle<CanvasView> canvas_view_;
  77         CanvasView::IsWorking is_working;
  78
  79         Duckmatic::Push duckmatic_push;
  80
  81         Point point_holder;
  82
  83         etl::handle<Duck> point2_duck;
  84
  85         void refresh_ducks();
  86
  87         bool prev_workarea_layer_status_;
  88
  89         //Toolbox settings
  90         synfigapp::Settings& settings;
  91
  92         //Toolbox display
  93         Gtk::Table options_table;
  94
  95         Gtk::Entry              entry_id; //what to name the layer
  96
  97         Gtk::Adjustment adj_feather;
  98         Gtk::Adjustment adj_number_of_points;
  99         Gtk::Adjustment adj_angle_offset;
 100         Gtk::SpinButton spin_feather;
 101         Gtk::SpinButton spin_number_of_points;
 102         Gtk::SpinButton spin_angle_offset;
 103
 104         Gtk::CheckButton checkbutton_invert;
 105         Gtk::CheckButton checkbutton_regular_polygon;
 106         Gtk::CheckButton checkbutton_layer_star;
 107         Gtk::CheckButton checkbutton_layer_region;
 108         Gtk::CheckButton checkbutton_layer_outline;
 109         Gtk::CheckButton checkbutton_layer_curve_gradient;
 110         Gtk::CheckButton checkbutton_layer_plant;
 111         Gtk::CheckButton checkbutton_layer_link_offsets;
 112
 113 public:
 114
 115         // this only counts the layers which use blines - they're the only
 116         // ones we link the offsets for
 117         int layers_to_create()const
 118         {
 119                 return
 120                         get_layer_region_flag() +
 121                         get_layer_outline_flag() +
 122                         get_layer_curve_gradient_flag() +
 123                         get_layer_plant_flag();
 124         }
 125
 126         synfig::String get_id()const { return entry_id.get_text(); }
 127         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 128
 129         Real get_feather()const { return adj_feather.get_value(); }
 130         void set_feather(Real f) { adj_feather.set_value(f); }
 131
 132         Real get_number_of_points()const { return adj_number_of_points.get_value(); }
 133         void set_number_of_points(Real f) { adj_number_of_points.set_value(f); }
 134
 135         Real get_angle_offset()const { return adj_angle_offset.get_value(); }
 136         void set_angle_offset(Real f) { adj_angle_offset.set_value(f); }
 137
 138         bool get_invert()const { return checkbutton_invert.get_active(); }
 139         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 140
 141         bool get_regular_polygon()const { return checkbutton_regular_polygon.get_active(); }
 142         void set_regular_polygon(bool i) { checkbutton_regular_polygon.set_active(i); }
 143
 144         bool get_layer_star_flag()const { return checkbutton_layer_star.get_active(); }
 145         void set_layer_star_flag(bool x) { return checkbutton_layer_star.set_active(x); }
 146
 147         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 148         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 149
 150         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 151         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 152
 153         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 154         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 155
 156         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 157         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 158
 159         bool get_layer_link_offsets_flag()const { return checkbutton_layer_link_offsets.get_active(); }
 160         void set_layer_link_offsets_flag(bool x) { return checkbutton_layer_link_offsets.set_active(x); }
 161
 162         void refresh_tool_options(); //to refresh the toolbox
 163
 164         //events
 165         Smach::event_result event_stop_handler(const Smach::event& x);
 166         Smach::event_result event_refresh_handler(const Smach::event& x);
 167         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 168         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 169
 170         //constructor destructor
 171         StateStar_Context(CanvasView* canvas_view);
 172         ~StateStar_Context();
 173
 174         //Canvas interaction
 175         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 176         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 177         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 178         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 179
 180         //Modifying settings etc.
 181         void load_settings();
 182         void save_settings();
 183         void reset();
 184         void increment_id();
 185         bool egress_on_selection_change;
 186         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 187         {
 188                 if(egress_on_selection_change)
 189                         throw Smach::egress_exception();
 190                 return Smach::RESULT_OK;
 191         }
 192
 193         void make_star(const Point& p1, const Point& p2);
 194
 195 };      // END of class StateStar_Context
 196
 197 /* === M E T H O D S ======================================================= */
 198
 199 StateStar::StateStar():
 200         Smach::state<StateStar_Context>("star")
 201 {
 202         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateStar_Context::event_layer_selection_changed_handler));
 203         insert(event_def(EVENT_STOP,&StateStar_Context::event_stop_handler));
 204         insert(event_def(EVENT_REFRESH,&StateStar_Context::event_refresh_handler));
 205         insert(event_def(EVENT_REFRESH_DUCKS,&StateStar_Context::event_refresh_handler));
 206         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateStar_Context::event_mouse_click_handler));
 207         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateStar_Context::event_mouse_click_handler));
 208         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateStar_Context::event_mouse_click_handler));
 209         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateStar_Context::event_refresh_tool_options));
 210 }
 211
 212 StateStar::~StateStar()
 213 {
 214 }
 215
 216 void
 217 StateStar_Context::load_settings()
 218 {
 219         String value;
 220
 221         //parse the arguments yargh!
 222         if(settings.get_value("star.id",value))
 223                 set_id(value);
 224         else
 225                 set_id("Star");
 226
 227         if(settings.get_value("star.feather",value))
 228                 set_feather(atof(value.c_str()));
 229         else
 230                 set_feather(0);
 231
 232         if(settings.get_value("star.number_of_points",value))
 233                 set_number_of_points(atof(value.c_str()));
 234         else
 235                 set_number_of_points(5);
 236
 237         if(settings.get_value("star.angle_offset",value))
 238                 set_angle_offset(atof(value.c_str()));
 239         else
 240                 set_angle_offset(0);
 241
 242         if(settings.get_value("star.invert",value) && value != "0")
 243                 set_invert(true);
 244         else
 245                 set_invert(false);
 246
 247         if(settings.get_value("star.regular_polygon",value) && value != "0")
 248                 set_regular_polygon(true);
 249         else
 250                 set_regular_polygon(false);
 251
 252         if(settings.get_value("star.layer_star",value) && value=="0")
 253                 set_layer_star_flag(false);
 254         else
 255                 set_layer_star_flag(true);
 256
 257         if(settings.get_value("star.layer_region",value) && value=="1")
 258                 set_layer_region_flag(true);
 259         else
 260                 set_layer_region_flag(false);
 261
 262         if(settings.get_value("star.layer_outline",value) && value=="1")
 263                 set_layer_outline_flag(true);
 264         else
 265                 set_layer_outline_flag(false);
 266
 267         if(settings.get_value("star.layer_curve_gradient",value) && value=="1")
 268                 set_layer_curve_gradient_flag(true);
 269         else
 270                 set_layer_curve_gradient_flag(false);
 271
 272         if(settings.get_value("star.layer_plant",value) && value=="1")
 273                 set_layer_plant_flag(true);
 274         else
 275                 set_layer_plant_flag(false);
 276
 277         if(settings.get_value("star.layer_link_offsets",value) && value=="0")
 278                 set_layer_link_offsets_flag(false);
 279         else
 280                 set_layer_link_offsets_flag(true);
 281 }
 282
 283 void
 284 StateStar_Context::save_settings()
 285 {
 286         settings.set_value("star.id",get_id());
 287         settings.set_value("star.feather",strprintf("%f",(float)get_feather()));
 288         settings.set_value("star.number_of_points",strprintf("%d",(int)(get_number_of_points() + 0.5)));
 289         settings.set_value("star.angle_offset",strprintf("%f",(float)get_angle_offset()));
 290         settings.set_value("star.invert",get_invert()?"1":"0");
 291         settings.set_value("star.regular_polygon",get_regular_polygon()?"1":"0");
 292         settings.set_value("star.layer_star",get_layer_star_flag()?"1":"0");
 293         settings.set_value("star.layer_outline",get_layer_outline_flag()?"1":"0");
 294         settings.set_value("star.layer_region",get_layer_region_flag()?"1":"0");
 295         settings.set_value("star.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 296         settings.set_value("star.layer_plant",get_layer_plant_flag()?"1":"0");
 297         settings.set_value("star.layer_link_offsets",get_layer_link_offsets_flag()?"1":"0");
 298 }
 299
 300 void
 301 StateStar_Context::reset()
 302 {
 303         refresh_ducks();
 304 }
 305
 306 void
 307 StateStar_Context::increment_id()
 308 {
 309         String id(get_id());
 310         int number=1;
 311         int digits=0;
 312
 313         if(id.empty())
 314                 id="Star";
 315
 316         // If there is a number
 317         // already at the end of the
 318         // id, then remove it.
 319         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 320         {
 321                 // figure out how many digits it is
 322                 for (digits = 0;
 323                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 324                          digits++)
 325                         ;
 326
 327                 String str_number;
 328                 str_number=String(id,id.size()-digits,id.size());
 329                 id=String(id,0,id.size()-digits);
 330
 331                 number=atoi(str_number.c_str());
 332         }
 333         else
 334         {
 335                 number=1;
 336                 digits=3;
 337         }
 338
 339         number++;
 340
 341         // Add the number back onto the id
 342         {
 343                 const String format(strprintf("%%0%dd",digits));
 344                 id+=strprintf(format.c_str(),number);
 345         }
 346
 347         // Set the ID
 348         set_id(id);
 349 }
 350
 351 StateStar_Context::StateStar_Context(CanvasView* canvas_view):
 352         canvas_view_(canvas_view),
 353         is_working(*canvas_view),
 354         duckmatic_push(get_work_area()),
 355         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 356         settings(synfigapp::Main::get_selected_input_device()->settings()),
 357         entry_id(),
 358         adj_feather(0,0,1,0.01,0.1),
 359         adj_number_of_points(4,2,120,1,1,1), // value, lower, upper, step_increment, page_increment, page_size
 360         adj_angle_offset(0,-360,360,.1,1,1), // value, lower, upper, step_increment, page_increment, page_size
 361         spin_feather(adj_feather,0.1,3),
 362         spin_number_of_points(adj_number_of_points,1,0),
 363         spin_angle_offset(adj_angle_offset,1,1),
 364         checkbutton_invert(_("Invert")),
 365         checkbutton_regular_polygon(_("Regular Polygon")),
 366         checkbutton_layer_star(_("Create Star Layer")),
 367         checkbutton_layer_region(_("Create Region BLine")),
 368         checkbutton_layer_outline(_("Create Outline BLine")),
 369         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 370         checkbutton_layer_plant(_("Create Plant BLine")),
 371         checkbutton_layer_link_offsets(_("Link BLine Offsets"))
 372 {
 373         egress_on_selection_change=true;
 374         // Set up the tool options dialog
 375         //options_table.attach(*manage(new Gtk::Label(_("Star Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 376         options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 377
 378         load_settings();
 379
 380         //feather stuff
 381         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),                    0, 1,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 382         options_table.attach(spin_feather,                                                                              1, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 383         options_table.attach(checkbutton_invert,                                                                0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 384         options_table.attach(checkbutton_regular_polygon,                                               0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 385         options_table.attach(checkbutton_layer_star,                                                    0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 386         options_table.attach(checkbutton_layer_outline,                                                 0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 387         options_table.attach(checkbutton_layer_region,                                                  0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 388         options_table.attach(checkbutton_layer_plant,                                                   0, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 389         options_table.attach(checkbutton_layer_curve_gradient,                                  0, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 390         options_table.attach(checkbutton_layer_link_offsets,                                    0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 391         options_table.attach(*manage(new Gtk::Label(_("Number of Points:"))),   0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 392         options_table.attach(spin_number_of_points,                                                             1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 393         options_table.attach(*manage(new Gtk::Label(_("Angle Offset:"))),               0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 394         options_table.attach(spin_angle_offset,                                                                 1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 395
 396         options_table.show_all();
 397
 398         refresh_tool_options();
 399         App::dialog_tool_options->present();
 400
 401         // Turn off layer clicking
 402         get_work_area()->set_allow_layer_clicks(false);
 403
 404         // clear out the ducks
 405         get_work_area()->clear_ducks();
 406
 407         // Refresh the work area
 408         get_work_area()->queue_draw();
 409
 410         // Hide the tables if they are showing
 411         //prev_table_status=get_canvas_view()->tables_are_visible();
 412         //if(prev_table_status)get_canvas_view()->hide_tables();
 413
 414         // Disable the time bar
 415         //get_canvas_view()->set_sensitive_timebar(false);
 416
 417         // Connect a signal
 418         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateStar_Context::on_user_click));
 419         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 420
 421         App::toolbox->refresh();
 422 }
 423
 424 void
 425 StateStar_Context::refresh_tool_options()
 426 {
 427         App::dialog_tool_options->clear();
 428         App::dialog_tool_options->set_widget(options_table);
 429         App::dialog_tool_options->set_local_name(_("Star Tool"));
 430         App::dialog_tool_options->set_name("star");
 431 }
 432
 433 Smach::event_result
 434 StateStar_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 435 {
 436         refresh_tool_options();
 437         return Smach::RESULT_ACCEPT;
 438 }
 439
 440 StateStar_Context::~StateStar_Context()
 441 {
 442         save_settings();
 443
 444         // Restore layer clicking
 445         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 446         get_canvas_view()->work_area->reset_cursor();
 447
 448         App::dialog_tool_options->clear();
 449
 450         // Enable the time bar
 451         //get_canvas_view()->set_sensitive_timebar(true);
 452
 453         // Bring back the tables if they were out before
 454         //if(prev_table_status)get_canvas_view()->show_tables();
 455
 456         // Refresh the work area
 457         get_work_area()->queue_draw();
 458
 459         get_canvas_view()->queue_rebuild_ducks();
 460
 461         App::toolbox->refresh();
 462 }
 463
 464 Smach::event_result
 465 StateStar_Context::event_stop_handler(const Smach::event& /*x*/)
 466 {
 467         throw Smach::egress_exception();
 468 }
 469
 470 Smach::event_result
 471 StateStar_Context::event_refresh_handler(const Smach::event& /*x*/)
 472 {
 473         refresh_ducks();
 474         return Smach::RESULT_ACCEPT;
 475 }
 476
 477 void
 478 StateStar_Context::make_star(const Point& _p1, const Point& _p2)
 479 {
 480         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Star"));
 481         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 482
 483         Layer::Handle layer;
 484
 485         Canvas::Handle canvas;
 486         int depth(0);
 487
 488         // we are temporarily using the layer to hold something
 489         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 490         if(layer)
 491         {
 492                 depth=layer->get_depth();
 493                 canvas=layer->get_canvas();
 494         }
 495
 496         synfigapp::SelectionManager::LayerList layer_selection;
 497         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 498                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 499
 500         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 501         const Point p1(transform.unperform(_p1));
 502         const Point p2(transform.unperform(_p2));
 503
 504         Real radius1((p2-p1).mag());
 505         Real radius2(radius1/2);
 506         int points = get_number_of_points();
 507         Angle::deg offset(get_angle_offset());
 508         bool regular(get_regular_polygon());
 509         Angle::deg angle(360.0/points);
 510         Real x(p1[0]), y(p1[1]);
 511         Real tangent(0);
 512
 513         std::vector<BLinePoint> new_list;
 514         int point(0);
 515         for (int i = 0; i < points; i++)
 516         {
 517                 new_list.push_back(*(new BLinePoint));
 518                 new_list[point].set_width(1);
 519                 new_list[point].set_vertex(Point(radius1*Angle::cos(angle*i + offset).get() + x,
 520                                                                          radius1*Angle::sin(angle*i + offset).get() + y));
 521                 new_list[point++].set_tangent(Point(0,0));
 522
 523                 new_list.push_back(*(new BLinePoint));
 524                 new_list[point].set_width(1);
 525                 new_list[point].set_vertex(Point(radius2*Angle::cos(angle*i + angle/2 + offset).get() + x,
 526                                                                          radius2*Angle::sin(angle*i + angle/2 + offset).get() + y));
 527                 new_list[point++].set_tangent(Point(0,0));
 528         }
 529
 530         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 531         assert(value_node_bline);
 532
 533         ValueNode_Const::Handle value_node_offset(ValueNode_Const::create(Vector()));
 534         assert(value_node_offset);
 535
 536         // Set the looping flag
 537         value_node_bline->set_loop(true);
 538
 539         if(!canvas)
 540                 canvas=get_canvas_view()->get_canvas();
 541
 542         value_node_bline->set_member_canvas(canvas);
 543
 544         // count how many layers we're going to be creating
 545         int layers_to_create = this->layers_to_create();
 546
 547         ///////////////////////////////////////////////////////////////////////////
 548         //   S T A R
 549         ///////////////////////////////////////////////////////////////////////////
 550
 551         if (get_layer_star_flag())
 552         {
 553                 layer=get_canvas_interface()->add_layer_to("star",canvas,depth);
 554                 layer_selection.push_back(layer);
 555
 556                 layer->set_param("offset",p1);
 557                 get_canvas_interface()->signal_layer_param_changed()(layer,"offset");
 558
 559                 layer->set_param("radius1",(p2-p1).mag());
 560                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius1");
 561
 562                 layer->set_param("radius2",(p2-p1).mag()/2);
 563                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius2");
 564
 565                 layer->set_param("angle",offset);
 566                 get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
 567
 568                 layer->set_param("points",points);
 569                 get_canvas_interface()->signal_layer_param_changed()(layer,"points");
 570
 571                 layer->set_param("regular_polygon",regular);
 572                 get_canvas_interface()->signal_layer_param_changed()(layer,"regular_polygon");
 573
 574                 layer->set_param("feather",get_feather());
 575                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 576
 577                 layer->set_param("invert",get_invert());
 578                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 579
 580                 layer->set_description(get_id());
 581                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 582         }
 583
 584         ///////////////////////////////////////////////////////////////////////////
 585         //   C U R V E   G R A D I E N T
 586         ///////////////////////////////////////////////////////////////////////////
 587
 588         if(get_layer_curve_gradient_flag())
 589         {
 590                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 591
 592                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 593                 assert(layer);
 594                 layer_selection.push_back(layer);
 595                 layer->set_description(get_id()+_(" Gradient"));
 596                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 597
 598                 {
 599                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 600                         assert(action);
 601
 602                         action->set_param("canvas",get_canvas());
 603                         action->set_param("canvas_interface",get_canvas_interface());
 604                         action->set_param("layer",layer);
 605                         if(!action->set_param("param",String("bline")))
 606                                 synfig::error("LayerParamConnect didn't like \"param\"");
 607                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 608                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 609
 610                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 611                         {
 612                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 613                                 group.cancel();
 614                                 throw String(_("Unable to create Gradient layer"));
 615                                 return;
 616                         }
 617                 }
 618
 619                 // only link the curve gradient's offset parameter if the option is selected and we're creating more than one layer
 620                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 621                 {
 622                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 623                         assert(action);
 624
 625                         action->set_param("canvas",get_canvas());
 626                         action->set_param("canvas_interface",get_canvas_interface());
 627                         action->set_param("layer",layer);
 628                         if(!action->set_param("param",String("offset")))
 629                                 synfig::error("LayerParamConnect didn't like \"param\"");
 630                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 631                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 632
 633                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 634                         {
 635                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 636                                 group.cancel();
 637                                 throw String(_("Unable to create Gradient layer"));
 638                                 return;
 639                         }
 640                 }
 641         }
 642
 643         ///////////////////////////////////////////////////////////////////////////
 644         //   P L A N T
 645         ///////////////////////////////////////////////////////////////////////////
 646
 647         if(get_layer_plant_flag())
 648         {
 649                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 650
 651                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 652                 assert(layer);
 653                 layer_selection.push_back(layer);
 654                 layer->set_description(get_id()+_(" Plant"));
 655                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 656
 657                 {
 658                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 659                         assert(action);
 660
 661                         action->set_param("canvas",get_canvas());
 662                         action->set_param("canvas_interface",get_canvas_interface());
 663                         action->set_param("layer",layer);
 664                         if(!action->set_param("param",String("bline")))
 665                                 synfig::error("LayerParamConnect didn't like \"param\"");
 666                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 667                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 668
 669                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 670                         {
 671                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 672                                 group.cancel();
 673                                 throw String(_("Unable to create Plant layer"));
 674                                 return;
 675                         }
 676                 }
 677
 678                 // only link the plant's offset parameter if the option is selected and we're creating more than one layer
 679                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 680                 {
 681                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 682                         assert(action);
 683
 684                         action->set_param("canvas",get_canvas());
 685                         action->set_param("canvas_interface",get_canvas_interface());
 686                         action->set_param("layer",layer);
 687                         if(!action->set_param("param",String("offset")))
 688                                 synfig::error("LayerParamConnect didn't like \"param\"");
 689                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 690                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 691
 692                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 693                         {
 694                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 695                                 group.cancel();
 696                                 throw String(_("Unable to create Plant layer"));
 697                                 return;
 698                         }
 699                 }
 700         }
 701
 702         ///////////////////////////////////////////////////////////////////////////
 703         //   R E G I O N
 704         ///////////////////////////////////////////////////////////////////////////
 705
 706         if(get_layer_region_flag())
 707         {
 708                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 709
 710                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 711                 assert(layer);
 712                 layer_selection.push_back(layer);
 713                 layer->set_description(get_id()+_(" Region"));
 714                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 715
 716                 layer->set_param("feather",get_feather());
 717                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 718
 719                 layer->set_param("invert",get_invert());
 720                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 721
 722                 if(get_layer_outline_flag())
 723                         layer->set_param("color",synfigapp::Main::get_background_color());
 724
 725                 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
 726                 // using 2 separate ones.
 727                 {
 728                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 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("bline")))
 735                                 synfig::error("LayerParamConnect didn't like \"param\"");
 736                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 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 Region layer"));
 742                                 group.cancel();
 743                                 throw String(_("Unable to create Region layer"));
 744                                 return;
 745                         }
 746                 }
 747
 748                 // only link the region's offset parameter if the option is selected and we're creating more than one layer
 749                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 750                 {
 751                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 752                         assert(action);
 753
 754                         action->set_param("canvas",get_canvas());
 755                         action->set_param("canvas_interface",get_canvas_interface());
 756                         action->set_param("layer",layer);
 757                         if(!action->set_param("param",String("offset")))
 758                                 synfig::error("LayerParamConnect didn't like \"param\"");
 759                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 760                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 761
 762                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 763                         {
 764                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 765                                 group.cancel();
 766                                 throw String(_("Unable to create Region layer"));
 767                                 return;
 768                         }
 769                 }
 770         }
 771
 772         ///////////////////////////////////////////////////////////////////////////
 773         //   O U T L I N E
 774         ///////////////////////////////////////////////////////////////////////////
 775
 776         if (get_layer_outline_flag())
 777         {
 778                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 779                 assert(layer);
 780                 layer_selection.push_back(layer);
 781                 layer->set_description(get_id()+_(" Outline"));
 782                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 783
 784                 layer->set_param("feather",get_feather());
 785                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 786
 787                 layer->set_param("invert",get_invert());
 788                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 789
 790                 {
 791                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 792                         assert(action);
 793
 794                         action->set_param("canvas",get_canvas());
 795                         action->set_param("canvas_interface",get_canvas_interface());
 796                         action->set_param("layer",layer);
 797                         if(!action->set_param("param",String("bline")))
 798                                 synfig::error("LayerParamConnect didn't like \"param\"");
 799                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 800                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 801
 802                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 803                         {
 804                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 805                                 group.cancel();
 806                                 throw String(_("Unable to create Outline layer"));
 807                                 return;
 808                         }
 809                 }
 810
 811                 // only link the outline's offset parameter if the option is selected and we're creating more than one layer
 812                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 813                 {
 814                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 815                         assert(action);
 816
 817                         action->set_param("canvas",get_canvas());
 818                         action->set_param("canvas_interface",get_canvas_interface());
 819                         action->set_param("layer",layer);
 820                         if(!action->set_param("param",String("offset")))
 821                                 synfig::error("LayerParamConnect didn't like \"param\"");
 822                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 823                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 824
 825                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 826                         {
 827                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 828                                 group.cancel();
 829                                 throw String(_("Unable to create Outline layer"));
 830                                 return;
 831                         }
 832                 }
 833         }
 834
 835         egress_on_selection_change=false;
 836         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 837         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 838         egress_on_selection_change=true;
 839
 840         reset();
 841         increment_id();
 842 }
 843
 844 Smach::event_result
 845 StateStar_Context::event_mouse_click_handler(const Smach::event& x)
 846 {
 847         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 848
 849         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 850         {
 851                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 852                 etl::handle<Duck> duck=new Duck();
 853                 duck->set_point(point_holder);
 854                 duck->set_name("p1");
 855                 duck->set_type(Duck::TYPE_POSITION);
 856                 duck->set_editable(false);
 857                 get_work_area()->add_duck(duck);
 858
 859                 point2_duck=new Duck();
 860                 point2_duck->set_point(Vector(0,0));
 861                 point2_duck->set_name("radius");
 862                 point2_duck->set_origin(duck);
 863                 point2_duck->set_radius(true);
 864                 point2_duck->set_scalar(-1);
 865                 point2_duck->set_type(Duck::TYPE_RADIUS);
 866                 point2_duck->set_hover(true);
 867                 get_work_area()->add_duck(point2_duck);
 868
 869                 return Smach::RESULT_ACCEPT;
 870         }
 871
 872         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 873         {
 874                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
 875                 get_work_area()->queue_draw();
 876                 return Smach::RESULT_ACCEPT;
 877         }
 878
 879         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 880         {
 881                 Point point(get_work_area()->snap_point_to_grid(event.pos));
 882
 883                 if (App::restrict_radius_ducks)
 884                 {
 885                         if ((point[0] - point_holder[0]) < 0) point[0] = point_holder[0];
 886                         if ((point[1] - point_holder[1]) < 0) point[1] = point_holder[1];
 887                 }
 888
 889                 make_star(point_holder, point);
 890                 get_work_area()->clear_ducks();
 891                 return Smach::RESULT_ACCEPT;
 892         }
 893
 894         return Smach::RESULT_OK;
 895 }
 896
 897
 898 void
 899 StateStar_Context::refresh_ducks()
 900 {
 901         get_work_area()->clear_ducks();
 902         get_work_area()->queue_draw();
 903 }