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_inner_tangent;
 100         Gtk::Adjustment adj_outer_tangent;
 101         Gtk::Adjustment adj_radius_ratio;
 102         Gtk::Adjustment adj_angle_offset;
 103         Gtk::SpinButton spin_feather;
 104         Gtk::SpinButton spin_number_of_points;
 105         Gtk::SpinButton spin_inner_tangent;
 106         Gtk::SpinButton spin_outer_tangent;
 107         Gtk::SpinButton spin_radius_ratio;
 108         Gtk::SpinButton spin_angle_offset;
 109
 110         Gtk::CheckButton checkbutton_invert;
 111         Gtk::CheckButton checkbutton_regular_polygon;
 112         Gtk::CheckButton checkbutton_layer_star;
 113         Gtk::CheckButton checkbutton_layer_region;
 114         Gtk::CheckButton checkbutton_layer_outline;
 115         Gtk::CheckButton checkbutton_layer_curve_gradient;
 116         Gtk::CheckButton checkbutton_layer_plant;
 117         Gtk::CheckButton checkbutton_layer_link_offsets;
 118
 119 public:
 120
 121         // this only counts the layers which use blines - they're the only
 122         // ones we link the offsets for
 123         int layers_to_create()const
 124         {
 125                 return
 126                         get_layer_region_flag() +
 127                         get_layer_outline_flag() +
 128                         get_layer_curve_gradient_flag() +
 129                         get_layer_plant_flag();
 130         }
 131
 132         synfig::String get_id()const { return entry_id.get_text(); }
 133         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 134
 135         Real get_feather()const { return adj_feather.get_value(); }
 136         void set_feather(Real f) { adj_feather.set_value(f); }
 137
 138         Real get_number_of_points()const { return adj_number_of_points.get_value(); }
 139         void set_number_of_points(Real f) { adj_number_of_points.set_value(f); }
 140
 141         Real get_inner_tangent()const { return adj_inner_tangent.get_value(); }
 142         void set_inner_tangent(Real f) { adj_inner_tangent.set_value(f); }
 143
 144         Real get_outer_tangent()const { return adj_outer_tangent.get_value(); }
 145         void set_outer_tangent(Real f) { adj_outer_tangent.set_value(f); }
 146
 147         Real get_radius_ratio()const { return adj_radius_ratio.get_value(); }
 148         void set_radius_ratio(Real f) { adj_radius_ratio.set_value(f); }
 149
 150         Real get_angle_offset()const { return adj_angle_offset.get_value(); }
 151         void set_angle_offset(Real f) { adj_angle_offset.set_value(f); }
 152
 153         bool get_invert()const { return checkbutton_invert.get_active(); }
 154         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 155
 156         bool get_regular_polygon()const { return checkbutton_regular_polygon.get_active(); }
 157         void set_regular_polygon(bool i) { checkbutton_regular_polygon.set_active(i); }
 158
 159         bool get_layer_star_flag()const { return checkbutton_layer_star.get_active(); }
 160         void set_layer_star_flag(bool x) { return checkbutton_layer_star.set_active(x); }
 161
 162         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 163         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 164
 165         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 166         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 167
 168         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 169         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 170
 171         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 172         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 173
 174         bool get_layer_link_offsets_flag()const { return checkbutton_layer_link_offsets.get_active(); }
 175         void set_layer_link_offsets_flag(bool x) { return checkbutton_layer_link_offsets.set_active(x); }
 176
 177         void refresh_tool_options(); //to refresh the toolbox
 178
 179         //events
 180         Smach::event_result event_stop_handler(const Smach::event& x);
 181         Smach::event_result event_refresh_handler(const Smach::event& x);
 182         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 183         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 184
 185         //constructor destructor
 186         StateStar_Context(CanvasView* canvas_view);
 187         ~StateStar_Context();
 188
 189         //Canvas interaction
 190         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 191         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 192         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 193         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 194
 195         //Modifying settings etc.
 196         void load_settings();
 197         void save_settings();
 198         void reset();
 199         void increment_id();
 200         bool egress_on_selection_change;
 201         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 202         {
 203                 if(egress_on_selection_change)
 204                         throw Smach::egress_exception();
 205                 return Smach::RESULT_OK;
 206         }
 207
 208         void make_star(const Point& p1, const Point& p2);
 209
 210 };      // END of class StateStar_Context
 211
 212 /* === M E T H O D S ======================================================= */
 213
 214 StateStar::StateStar():
 215         Smach::state<StateStar_Context>("star")
 216 {
 217         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateStar_Context::event_layer_selection_changed_handler));
 218         insert(event_def(EVENT_STOP,&StateStar_Context::event_stop_handler));
 219         insert(event_def(EVENT_REFRESH,&StateStar_Context::event_refresh_handler));
 220         insert(event_def(EVENT_REFRESH_DUCKS,&StateStar_Context::event_refresh_handler));
 221         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateStar_Context::event_mouse_click_handler));
 222         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateStar_Context::event_mouse_click_handler));
 223         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateStar_Context::event_mouse_click_handler));
 224         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateStar_Context::event_refresh_tool_options));
 225 }
 226
 227 StateStar::~StateStar()
 228 {
 229 }
 230
 231 void
 232 StateStar_Context::load_settings()
 233 {
 234         String value;
 235
 236         //parse the arguments yargh!
 237         if(settings.get_value("star.id",value))
 238                 set_id(value);
 239         else
 240                 set_id("Star");
 241
 242         if(settings.get_value("star.feather",value))
 243                 set_feather(atof(value.c_str()));
 244         else
 245                 set_feather(0);
 246
 247         if(settings.get_value("star.number_of_points",value))
 248                 set_number_of_points(atof(value.c_str()));
 249         else
 250                 set_number_of_points(5);
 251
 252         if(settings.get_value("star.inner_tangent",value))
 253                 set_inner_tangent(atof(value.c_str()));
 254         else
 255                 set_inner_tangent(0);
 256
 257         if(settings.get_value("star.outer_tangent",value))
 258                 set_outer_tangent(atof(value.c_str()));
 259         else
 260                 set_outer_tangent(0);
 261
 262         if(settings.get_value("star.radius_ratio",value))
 263                 set_radius_ratio(atof(value.c_str()));
 264         else
 265                 set_radius_ratio(0.5);
 266
 267         if(settings.get_value("star.angle_offset",value))
 268                 set_angle_offset(atof(value.c_str()));
 269         else
 270                 set_angle_offset(0);
 271
 272         if(settings.get_value("star.invert",value) && value != "0")
 273                 set_invert(true);
 274         else
 275                 set_invert(false);
 276
 277         if(settings.get_value("star.regular_polygon",value) && value != "0")
 278                 set_regular_polygon(true);
 279         else
 280                 set_regular_polygon(false);
 281
 282         if(settings.get_value("star.layer_star",value) && value=="0")
 283                 set_layer_star_flag(false);
 284         else
 285                 set_layer_star_flag(true);
 286
 287         if(settings.get_value("star.layer_region",value) && value=="1")
 288                 set_layer_region_flag(true);
 289         else
 290                 set_layer_region_flag(false);
 291
 292         if(settings.get_value("star.layer_outline",value) && value=="1")
 293                 set_layer_outline_flag(true);
 294         else
 295                 set_layer_outline_flag(false);
 296
 297         if(settings.get_value("star.layer_curve_gradient",value) && value=="1")
 298                 set_layer_curve_gradient_flag(true);
 299         else
 300                 set_layer_curve_gradient_flag(false);
 301
 302         if(settings.get_value("star.layer_plant",value) && value=="1")
 303                 set_layer_plant_flag(true);
 304         else
 305                 set_layer_plant_flag(false);
 306
 307         if(settings.get_value("star.layer_link_offsets",value) && value=="0")
 308                 set_layer_link_offsets_flag(false);
 309         else
 310                 set_layer_link_offsets_flag(true);
 311 }
 312
 313 void
 314 StateStar_Context::save_settings()
 315 {
 316         settings.set_value("star.id",get_id());
 317         settings.set_value("star.feather",strprintf("%f",(float)get_feather()));
 318         settings.set_value("star.number_of_points",strprintf("%d",(int)(get_number_of_points() + 0.5)));
 319         settings.set_value("star.inner_tangent",strprintf("%f",(float)get_inner_tangent()));
 320         settings.set_value("star.outer_tangent",strprintf("%f",(float)get_outer_tangent()));
 321         settings.set_value("star.radius_ratio",strprintf("%f",(float)get_radius_ratio()));
 322         settings.set_value("star.angle_offset",strprintf("%f",(float)get_angle_offset()));
 323         settings.set_value("star.invert",get_invert()?"1":"0");
 324         settings.set_value("star.regular_polygon",get_regular_polygon()?"1":"0");
 325         settings.set_value("star.layer_star",get_layer_star_flag()?"1":"0");
 326         settings.set_value("star.layer_outline",get_layer_outline_flag()?"1":"0");
 327         settings.set_value("star.layer_region",get_layer_region_flag()?"1":"0");
 328         settings.set_value("star.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 329         settings.set_value("star.layer_plant",get_layer_plant_flag()?"1":"0");
 330         settings.set_value("star.layer_link_offsets",get_layer_link_offsets_flag()?"1":"0");
 331 }
 332
 333 void
 334 StateStar_Context::reset()
 335 {
 336         refresh_ducks();
 337 }
 338
 339 void
 340 StateStar_Context::increment_id()
 341 {
 342         String id(get_id());
 343         int number=1;
 344         int digits=0;
 345
 346         if(id.empty())
 347                 id="Star";
 348
 349         // If there is a number
 350         // already at the end of the
 351         // id, then remove it.
 352         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 353         {
 354                 // figure out how many digits it is
 355                 for (digits = 0;
 356                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 357                          digits++)
 358                         ;
 359
 360                 String str_number;
 361                 str_number=String(id,id.size()-digits,id.size());
 362                 id=String(id,0,id.size()-digits);
 363
 364                 number=atoi(str_number.c_str());
 365         }
 366         else
 367         {
 368                 number=1;
 369                 digits=3;
 370         }
 371
 372         number++;
 373
 374         // Add the number back onto the id
 375         {
 376                 const String format(strprintf("%%0%dd",digits));
 377                 id+=strprintf(format.c_str(),number);
 378         }
 379
 380         // Set the ID
 381         set_id(id);
 382 }
 383
 384 StateStar_Context::StateStar_Context(CanvasView* canvas_view):
 385         canvas_view_(canvas_view),
 386         is_working(*canvas_view),
 387         duckmatic_push(get_work_area()),
 388         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 389         settings(synfigapp::Main::get_selected_input_device()->settings()),
 390         entry_id(),
 391         adj_feather(0,0,1,0.01,0.1),
 392         adj_number_of_points(4,2,120,1,1,1), // value, lower, upper, step_increment, page_increment, page_size
 393         adj_inner_tangent(0,-3,3,.01,.1,.1),
 394         adj_outer_tangent(0,-3,10,.01,.1,.1),
 395         adj_radius_ratio(0.5,-10,10,.01,.1,.1), // value, lower, upper, step_increment, page_increment, page_size
 396         adj_angle_offset(0,-360,360,.1,1,1), // value, lower, upper, step_increment, page_increment, page_size
 397         spin_feather(adj_feather,0.1,3),
 398         spin_number_of_points(adj_number_of_points,1,0),
 399         spin_inner_tangent(adj_inner_tangent,1,2),
 400         spin_outer_tangent(adj_outer_tangent,1,2),
 401         spin_radius_ratio(adj_radius_ratio,1,2),
 402         spin_angle_offset(adj_angle_offset,1,1),
 403         checkbutton_invert(_("Invert")),
 404         checkbutton_regular_polygon(_("Regular Polygon")),
 405         checkbutton_layer_star(_("Create Star Layer")),
 406         checkbutton_layer_region(_("Create Region BLine")),
 407         checkbutton_layer_outline(_("Create Outline BLine")),
 408         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 409         checkbutton_layer_plant(_("Create Plant BLine")),
 410         checkbutton_layer_link_offsets(_("Link BLine Offsets"))
 411 {
 412         egress_on_selection_change=true;
 413
 414         load_settings();
 415
 416         // Set up the tool options dialog
 417         options_table.attach(*manage(new Gtk::Label(_("Star Tool"))),                   0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 418         options_table.attach(entry_id,                                                                                  0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 419         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),                    0, 1,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 420         options_table.attach(spin_feather,                                                                              1, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 421         options_table.attach(checkbutton_invert,                                                                0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 422         options_table.attach(checkbutton_regular_polygon,                                               0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 423         options_table.attach(checkbutton_layer_star,                                                    0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 424         options_table.attach(checkbutton_layer_outline,                                                 0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 425         options_table.attach(checkbutton_layer_region,                                                  0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 426         options_table.attach(checkbutton_layer_plant,                                                   0, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 427         options_table.attach(checkbutton_layer_curve_gradient,                                  0, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 428         options_table.attach(checkbutton_layer_link_offsets,                                    0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 429         options_table.attach(*manage(new Gtk::Label(_("Number of Points:"))),   0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 430         options_table.attach(spin_number_of_points,                                                             1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 431         options_table.attach(*manage(new Gtk::Label(_("Inner Tangent:"))),              0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 432         options_table.attach(spin_inner_tangent,                                                                1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 433         options_table.attach(*manage(new Gtk::Label(_("Outer Tangent:"))),              0, 1, 15, 16, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 434         options_table.attach(spin_outer_tangent,                                                                1, 2, 15, 16, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 435         options_table.attach(*manage(new Gtk::Label(_("Radius Ratio:"))),               0, 1, 16, 17, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 436         options_table.attach(spin_radius_ratio,                                                                 1, 2, 16, 17, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 437         options_table.attach(*manage(new Gtk::Label(_("Angle Offset:"))),               0, 1, 17, 18, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 438         options_table.attach(spin_angle_offset,                                                                 1, 2, 17, 18, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 439
 440         options_table.show_all();
 441
 442         refresh_tool_options();
 443         App::dialog_tool_options->present();
 444
 445         // Turn off layer clicking
 446         get_work_area()->set_allow_layer_clicks(false);
 447
 448         // clear out the ducks
 449         get_work_area()->clear_ducks();
 450
 451         // Refresh the work area
 452         get_work_area()->queue_draw();
 453
 454         // Hide the tables if they are showing
 455         //prev_table_status=get_canvas_view()->tables_are_visible();
 456         //if(prev_table_status)get_canvas_view()->hide_tables();
 457
 458         // Disable the time bar
 459         //get_canvas_view()->set_sensitive_timebar(false);
 460
 461         // Connect a signal
 462         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateStar_Context::on_user_click));
 463         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 464
 465         App::toolbox->refresh();
 466 }
 467
 468 void
 469 StateStar_Context::refresh_tool_options()
 470 {
 471         App::dialog_tool_options->clear();
 472         App::dialog_tool_options->set_widget(options_table);
 473         App::dialog_tool_options->set_local_name(_("Star Tool"));
 474         App::dialog_tool_options->set_name("star");
 475 }
 476
 477 Smach::event_result
 478 StateStar_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 479 {
 480         refresh_tool_options();
 481         return Smach::RESULT_ACCEPT;
 482 }
 483
 484 StateStar_Context::~StateStar_Context()
 485 {
 486         save_settings();
 487
 488         // Restore layer clicking
 489         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 490         get_canvas_view()->work_area->reset_cursor();
 491
 492         App::dialog_tool_options->clear();
 493
 494         // Enable the time bar
 495         //get_canvas_view()->set_sensitive_timebar(true);
 496
 497         // Bring back the tables if they were out before
 498         //if(prev_table_status)get_canvas_view()->show_tables();
 499
 500         // Refresh the work area
 501         get_work_area()->queue_draw();
 502
 503         get_canvas_view()->queue_rebuild_ducks();
 504
 505         App::toolbox->refresh();
 506 }
 507
 508 Smach::event_result
 509 StateStar_Context::event_stop_handler(const Smach::event& /*x*/)
 510 {
 511         throw Smach::egress_exception();
 512 }
 513
 514 Smach::event_result
 515 StateStar_Context::event_refresh_handler(const Smach::event& /*x*/)
 516 {
 517         refresh_ducks();
 518         return Smach::RESULT_ACCEPT;
 519 }
 520
 521 void
 522 StateStar_Context::make_star(const Point& _p1, const Point& _p2)
 523 {
 524         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Star"));
 525         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 526
 527         Layer::Handle layer;
 528
 529         Canvas::Handle canvas;
 530         int depth(0);
 531
 532         // we are temporarily using the layer to hold something
 533         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 534         if(layer)
 535         {
 536                 depth=layer->get_depth();
 537                 canvas=layer->get_canvas();
 538         }
 539
 540         synfigapp::SelectionManager::LayerList layer_selection;
 541         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 542                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 543
 544         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 545         const Point p1(transform.unperform(_p1));
 546         const Point p2(transform.unperform(_p2));
 547
 548         Real radius_ratio(get_radius_ratio());
 549         Real radius1((p2-p1).mag());
 550         Real radius2(radius1 * radius_ratio);
 551         int points = get_number_of_points();
 552         Real inner_tangent = get_inner_tangent() * radius1;
 553         Real outer_tangent = get_outer_tangent() * radius2;
 554         Angle::deg offset(get_angle_offset());
 555         bool regular(get_regular_polygon());
 556         Angle::deg angle(360.0/points);
 557         Real x(p1[0]), y(p1[1]);
 558
 559         std::vector<BLinePoint> new_list;
 560         int point(0);
 561         for (int i = 0; i < points; i++)
 562         {
 563                 new_list.push_back(*(new BLinePoint));
 564                 new_list[point].set_width(1);
 565                 new_list[point].set_vertex(Point(radius1*Angle::cos(angle*i + offset).get() + x,
 566                                                                          radius1*Angle::sin(angle*i + offset).get() + y));
 567                 new_list[point++].set_tangent(Point(-Angle::sin(angle*i + offset).get(),
 568                                                                                          Angle::cos(angle*i + offset).get()) * outer_tangent);
 569
 570                 if (!regular)
 571                 {
 572                         new_list.push_back(*(new BLinePoint));
 573                         new_list[point].set_width(1);
 574                         new_list[point].set_vertex(Point(radius2*Angle::cos(angle*i + angle/2 + offset).get() + x,
 575                                                                                          radius2*Angle::sin(angle*i + angle/2 + offset).get() + y));
 576                         new_list[point++].set_tangent(Point(-Angle::sin(angle*i + angle/2 + offset).get(),
 577                                                                                                  Angle::cos(angle*i + angle/2 + offset).get()) * inner_tangent);
 578                 }
 579         }
 580
 581         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 582         assert(value_node_bline);
 583
 584         ValueNode_Const::Handle value_node_offset(ValueNode_Const::create(Vector()));
 585         assert(value_node_offset);
 586
 587         // Set the looping flag
 588         value_node_bline->set_loop(true);
 589
 590         if(!canvas)
 591                 canvas=get_canvas_view()->get_canvas();
 592
 593         value_node_bline->set_member_canvas(canvas);
 594
 595         // count how many layers we're going to be creating
 596         int layers_to_create = this->layers_to_create();
 597
 598         ///////////////////////////////////////////////////////////////////////////
 599         //   S T A R
 600         ///////////////////////////////////////////////////////////////////////////
 601
 602         if (get_layer_star_flag())
 603         {
 604                 layer=get_canvas_interface()->add_layer_to("star",canvas,depth);
 605                 layer_selection.push_back(layer);
 606
 607                 layer->set_param("offset",p1);
 608                 get_canvas_interface()->signal_layer_param_changed()(layer,"offset");
 609
 610                 layer->set_param("radius1",(p2-p1).mag());
 611                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius1");
 612
 613                 layer->set_param("radius2",(p2-p1).mag()/2);
 614                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius2");
 615
 616                 layer->set_param("angle",offset);
 617                 get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
 618
 619                 layer->set_param("points",points);
 620                 get_canvas_interface()->signal_layer_param_changed()(layer,"points");
 621
 622                 layer->set_param("regular_polygon",regular);
 623                 get_canvas_interface()->signal_layer_param_changed()(layer,"regular_polygon");
 624
 625                 layer->set_param("feather",get_feather());
 626                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 627
 628                 layer->set_param("invert",get_invert());
 629                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 630
 631                 layer->set_description(get_id());
 632                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 633
 634                 if(get_layer_outline_flag())
 635                 {
 636                         layer->set_param("color",synfigapp::Main::get_background_color());
 637                         get_canvas_interface()->signal_layer_param_changed()(layer,"color");
 638                 }
 639         }
 640
 641         ///////////////////////////////////////////////////////////////////////////
 642         //   C U R V E   G R A D I E N T
 643         ///////////////////////////////////////////////////////////////////////////
 644
 645         if(get_layer_curve_gradient_flag())
 646         {
 647                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 648
 649                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 650                 assert(layer);
 651                 layer_selection.push_back(layer);
 652                 layer->set_description(get_id()+_(" Gradient"));
 653                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 654
 655                 {
 656                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 657                         assert(action);
 658
 659                         action->set_param("canvas",get_canvas());
 660                         action->set_param("canvas_interface",get_canvas_interface());
 661                         action->set_param("layer",layer);
 662                         if(!action->set_param("param",String("bline")))
 663                                 synfig::error("LayerParamConnect didn't like \"param\"");
 664                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 665                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 666
 667                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 668                         {
 669                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 670                                 group.cancel();
 671                                 throw String(_("Unable to create Gradient layer"));
 672                                 return;
 673                         }
 674                 }
 675
 676                 // only link the curve gradient's offset parameter if the option is selected and we're creating more than one layer
 677                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 678                 {
 679                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 680                         assert(action);
 681
 682                         action->set_param("canvas",get_canvas());
 683                         action->set_param("canvas_interface",get_canvas_interface());
 684                         action->set_param("layer",layer);
 685                         if(!action->set_param("param",String("offset")))
 686                                 synfig::error("LayerParamConnect didn't like \"param\"");
 687                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 688                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 689
 690                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 691                         {
 692                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 693                                 group.cancel();
 694                                 throw String(_("Unable to create Gradient layer"));
 695                                 return;
 696                         }
 697                 }
 698         }
 699
 700         ///////////////////////////////////////////////////////////////////////////
 701         //   P L A N T
 702         ///////////////////////////////////////////////////////////////////////////
 703
 704         if(get_layer_plant_flag())
 705         {
 706                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 707
 708                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 709                 assert(layer);
 710                 layer_selection.push_back(layer);
 711                 layer->set_description(get_id()+_(" Plant"));
 712                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 713
 714                 {
 715                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 716                         assert(action);
 717
 718                         action->set_param("canvas",get_canvas());
 719                         action->set_param("canvas_interface",get_canvas_interface());
 720                         action->set_param("layer",layer);
 721                         if(!action->set_param("param",String("bline")))
 722                                 synfig::error("LayerParamConnect didn't like \"param\"");
 723                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 724                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 725
 726                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 727                         {
 728                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 729                                 group.cancel();
 730                                 throw String(_("Unable to create Plant layer"));
 731                                 return;
 732                         }
 733                 }
 734
 735                 // only link the plant's offset parameter if the option is selected and we're creating more than one layer
 736                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 737                 {
 738                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 739                         assert(action);
 740
 741                         action->set_param("canvas",get_canvas());
 742                         action->set_param("canvas_interface",get_canvas_interface());
 743                         action->set_param("layer",layer);
 744                         if(!action->set_param("param",String("offset")))
 745                                 synfig::error("LayerParamConnect didn't like \"param\"");
 746                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 747                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 748
 749                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 750                         {
 751                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 752                                 group.cancel();
 753                                 throw String(_("Unable to create Plant layer"));
 754                                 return;
 755                         }
 756                 }
 757         }
 758
 759         ///////////////////////////////////////////////////////////////////////////
 760         //   R E G I O N
 761         ///////////////////////////////////////////////////////////////////////////
 762
 763         if(get_layer_region_flag())
 764         {
 765                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 766
 767                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 768                 assert(layer);
 769                 layer_selection.push_back(layer);
 770                 layer->set_description(get_id()+_(" Region"));
 771                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 772
 773                 layer->set_param("feather",get_feather());
 774                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 775
 776                 layer->set_param("invert",get_invert());
 777                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 778
 779                 if(get_layer_outline_flag())
 780                         layer->set_param("color",synfigapp::Main::get_background_color());
 781
 782                 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
 783                 // using 2 separate ones.
 784                 {
 785                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 786                         assert(action);
 787
 788                         action->set_param("canvas",get_canvas());
 789                         action->set_param("canvas_interface",get_canvas_interface());
 790                         action->set_param("layer",layer);
 791                         if(!action->set_param("param",String("bline")))
 792                                 synfig::error("LayerParamConnect didn't like \"param\"");
 793                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 794                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 795
 796                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 797                         {
 798                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 799                                 group.cancel();
 800                                 throw String(_("Unable to create Region layer"));
 801                                 return;
 802                         }
 803                 }
 804
 805                 // only link the region's offset parameter if the option is selected and we're creating more than one layer
 806                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 807                 {
 808                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 809                         assert(action);
 810
 811                         action->set_param("canvas",get_canvas());
 812                         action->set_param("canvas_interface",get_canvas_interface());
 813                         action->set_param("layer",layer);
 814                         if(!action->set_param("param",String("offset")))
 815                                 synfig::error("LayerParamConnect didn't like \"param\"");
 816                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 817                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 818
 819                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 820                         {
 821                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 822                                 group.cancel();
 823                                 throw String(_("Unable to create Region layer"));
 824                                 return;
 825                         }
 826                 }
 827         }
 828
 829         ///////////////////////////////////////////////////////////////////////////
 830         //   O U T L I N E
 831         ///////////////////////////////////////////////////////////////////////////
 832
 833         if (get_layer_outline_flag())
 834         {
 835                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 836                 assert(layer);
 837                 layer_selection.push_back(layer);
 838                 layer->set_description(get_id()+_(" Outline"));
 839                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 840
 841                 layer->set_param("feather",get_feather());
 842                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 843
 844                 layer->set_param("invert",get_invert());
 845                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 846
 847                 {
 848                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 849                         assert(action);
 850
 851                         action->set_param("canvas",get_canvas());
 852                         action->set_param("canvas_interface",get_canvas_interface());
 853                         action->set_param("layer",layer);
 854                         if(!action->set_param("param",String("bline")))
 855                                 synfig::error("LayerParamConnect didn't like \"param\"");
 856                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 857                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 858
 859                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 860                         {
 861                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 862                                 group.cancel();
 863                                 throw String(_("Unable to create Outline layer"));
 864                                 return;
 865                         }
 866                 }
 867
 868                 // only link the outline's offset parameter if the option is selected and we're creating more than one layer
 869                 if (get_layer_link_offsets_flag() && layers_to_create > 1)
 870                 {
 871                         synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
 872                         assert(action);
 873
 874                         action->set_param("canvas",get_canvas());
 875                         action->set_param("canvas_interface",get_canvas_interface());
 876                         action->set_param("layer",layer);
 877                         if(!action->set_param("param",String("offset")))
 878                                 synfig::error("LayerParamConnect didn't like \"param\"");
 879                         if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
 880                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 881
 882                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 883                         {
 884                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 885                                 group.cancel();
 886                                 throw String(_("Unable to create Outline layer"));
 887                                 return;
 888                         }
 889                 }
 890         }
 891
 892         egress_on_selection_change=false;
 893         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 894         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 895         egress_on_selection_change=true;
 896
 897         reset();
 898         increment_id();
 899 }
 900
 901 Smach::event_result
 902 StateStar_Context::event_mouse_click_handler(const Smach::event& x)
 903 {
 904         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
 905
 906         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
 907         {
 908                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
 909                 etl::handle<Duck> duck=new Duck();
 910                 duck->set_point(point_holder);
 911                 duck->set_name("p1");
 912                 duck->set_type(Duck::TYPE_POSITION);
 913                 duck->set_editable(false);
 914                 get_work_area()->add_duck(duck);
 915
 916                 point2_duck=new Duck();
 917                 point2_duck->set_point(Vector(0,0));
 918                 point2_duck->set_name("radius");
 919                 point2_duck->set_origin(duck);
 920                 point2_duck->set_radius(true);
 921                 point2_duck->set_scalar(-1);
 922                 point2_duck->set_type(Duck::TYPE_RADIUS);
 923                 point2_duck->set_hover(true);
 924                 get_work_area()->add_duck(point2_duck);
 925
 926                 return Smach::RESULT_ACCEPT;
 927         }
 928
 929         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
 930         {
 931                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
 932                 get_work_area()->queue_draw();
 933                 return Smach::RESULT_ACCEPT;
 934         }
 935
 936         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
 937         {
 938                 Point point(get_work_area()->snap_point_to_grid(event.pos));
 939
 940                 if (App::restrict_radius_ducks)
 941                 {
 942                         if ((point[0] - point_holder[0]) < 0) point[0] = point_holder[0];
 943                         if ((point[1] - point_holder[1]) < 0) point[1] = point_holder[1];
 944                 }
 945
 946                 make_star(point_holder, point);
 947                 get_work_area()->clear_ducks();
 948                 return Smach::RESULT_ACCEPT;
 949         }
 950
 951         return Smach::RESULT_OK;
 952 }
 953
 954
 955 void
 956 StateStar_Context::refresh_ducks()
 957 {
 958         get_work_area()->clear_ducks();
 959         get_work_area()->queue_draw();
 960 }