state_circle.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file state_circle.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_circle.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 enum CircleFalloff
  68 {
  69         CIRCLE_SQUARED  =0,
  70         CIRCLE_INTERPOLATION_LINEAR     =1,
  71         CIRCLE_COSINE   =2,
  72         CIRCLE_SIGMOND  =3,
  73         CIRCLE_SQRT             =4,
  74         CIRCLE_NUM_FALLOFF
  75 };
  76
  77 /* === G L O B A L S ======================================================= */
  78
  79 StateCircle studio::state_circle;
  80
  81 /* === C L A S S E S & S T R U C T S ======================================= */
  82
  83 class studio::StateCircle_Context : public sigc::trackable
  84 {
  85         etl::handle<CanvasView> canvas_view_;
  86         CanvasView::IsWorking is_working;
  87
  88         Duckmatic::Push duckmatic_push;
  89
  90         Point point_holder;
  91
  92         etl::handle<Duck> point2_duck;
  93
  94         void refresh_ducks();
  95
  96         bool prev_workarea_layer_status_;
  97
  98         //Toolbox settings
  99         synfigapp::Settings& settings;
 100
 101         //Toolbox display
 102         Gtk::Table options_table;
 103
 104         Gtk::Entry              entry_id; //what to name the layer
 105
 106         Widget_Enum             enum_falloff;
 107 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 108         Widget_Enum             enum_blend;
 109 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 110
 111         Gtk::Adjustment adj_feather;
 112         Gtk::Adjustment adj_number_of_bline_points;
 113         Gtk::Adjustment adj_bline_point_angle_offset;
 114         Gtk::SpinButton spin_feather;
 115         Gtk::SpinButton spin_number_of_bline_points;
 116         Gtk::SpinButton spin_bline_point_angle_offset;
 117
 118         Gtk::CheckButton checkbutton_invert;
 119         Gtk::CheckButton checkbutton_layer_circle;
 120         Gtk::CheckButton checkbutton_layer_region;
 121         Gtk::CheckButton checkbutton_layer_outline;
 122         Gtk::CheckButton checkbutton_layer_curve_gradient;
 123         Gtk::CheckButton checkbutton_layer_plant;
 124         Gtk::CheckButton checkbutton_layer_link_origins;
 125         Gtk::CheckButton checkbutton_layer_origins_at_center;
 126
 127 public:
 128
 129         // this only counts the layers which will have their origins linked
 130         int layers_to_create()const
 131         {
 132                 return
 133                         (get_layer_circle_flag() && get_layer_origins_at_center_flag()) +
 134                         get_layer_region_flag() +
 135                         get_layer_outline_flag() +
 136                         get_layer_curve_gradient_flag() +
 137                         get_layer_plant_flag();
 138         }
 139
 140         synfig::String get_id()const { return entry_id.get_text(); }
 141         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 142
 143         int get_falloff()const { return enum_falloff.get_value(); }
 144         void set_falloff(int x) { return enum_falloff.set_value(x); }
 145
 146 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 147         int get_blend()const { return enum_blend.get_value(); }
 148         void set_blend(int x) { return enum_blend.set_value(x); }
 149 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 150
 151         Real get_feather()const { return adj_feather.get_value(); }
 152         void set_feather(Real f) { adj_feather.set_value(f); }
 153
 154         Real get_number_of_bline_points()const { return adj_number_of_bline_points.get_value(); }
 155         void set_number_of_bline_points(Real f) { adj_number_of_bline_points.set_value(f); }
 156
 157         Real get_bline_point_angle_offset()const { return adj_bline_point_angle_offset.get_value(); }
 158         void set_bline_point_angle_offset(Real f) { adj_bline_point_angle_offset.set_value(f); }
 159
 160         bool get_invert()const { return checkbutton_invert.get_active(); }
 161         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 162
 163         bool get_layer_circle_flag()const { return checkbutton_layer_circle.get_active(); }
 164         void set_layer_circle_flag(bool x) { return checkbutton_layer_circle.set_active(x); }
 165
 166         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 167         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 168
 169         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 170         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 171
 172         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 173         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 174
 175         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 176         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 177
 178         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 179         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 180
 181         bool get_layer_origins_at_center_flag()const { return checkbutton_layer_origins_at_center.get_active(); }
 182         void set_layer_origins_at_center_flag(bool x) { return checkbutton_layer_origins_at_center.set_active(x); }
 183
 184         void refresh_tool_options(); //to refresh the toolbox
 185
 186         //events
 187         Smach::event_result event_stop_handler(const Smach::event& x);
 188         Smach::event_result event_refresh_handler(const Smach::event& x);
 189         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 190         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 191
 192         //constructor destructor
 193         StateCircle_Context(CanvasView* canvas_view);
 194         ~StateCircle_Context();
 195
 196         //Canvas interaction
 197         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 198         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 199         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 200         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 201
 202         //Modifying settings etc.
 203         void load_settings();
 204         void save_settings();
 205         void reset();
 206         void increment_id();
 207         bool egress_on_selection_change;
 208         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 209         {
 210                 if(egress_on_selection_change)
 211                         throw Smach::egress_exception();
 212                 return Smach::RESULT_OK;
 213         }
 214
 215         void make_circle(const Point& p1, const Point& p2);
 216
 217 };      // END of class StateCircle_Context
 218
 219 /* === M E T H O D S ======================================================= */
 220
 221 StateCircle::StateCircle():
 222         Smach::state<StateCircle_Context>("circle")
 223 {
 224         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateCircle_Context::event_layer_selection_changed_handler));
 225         insert(event_def(EVENT_STOP,&StateCircle_Context::event_stop_handler));
 226         insert(event_def(EVENT_REFRESH,&StateCircle_Context::event_refresh_handler));
 227         insert(event_def(EVENT_REFRESH_DUCKS,&StateCircle_Context::event_refresh_handler));
 228         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateCircle_Context::event_mouse_click_handler));
 229         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateCircle_Context::event_mouse_click_handler));
 230         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateCircle_Context::event_mouse_click_handler));
 231         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateCircle_Context::event_refresh_tool_options));
 232 }
 233
 234 StateCircle::~StateCircle()
 235 {
 236 }
 237
 238 void
 239 StateCircle_Context::load_settings()
 240 {
 241         String value;
 242
 243         //parse the arguments yargh!
 244         if(settings.get_value("circle.id",value))
 245                 set_id(value);
 246         else
 247                 set_id("Circle");
 248
 249         if(settings.get_value("circle.fallofftype",value) && value != "")
 250                 set_falloff(atoi(value.c_str()));
 251         else
 252                 set_falloff(2);
 253
 254 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 255         if(settings.get_value("circle.blend",value) && value != "")
 256                 set_blend(atoi(value.c_str()));
 257         else
 258                 set_blend(0);//(int)Color::BLEND_COMPOSITE); //0 should be blend composites value
 259 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 260
 261         if(settings.get_value("circle.feather",value))
 262                 set_feather(atof(value.c_str()));
 263         else
 264                 set_feather(0);
 265
 266         if(settings.get_value("circle.number_of_bline_points",value))
 267                 set_number_of_bline_points(atof(value.c_str()));
 268         else
 269                 set_number_of_bline_points(4);
 270
 271         if(settings.get_value("circle.bline_point_angle_offset",value))
 272                 set_bline_point_angle_offset(atof(value.c_str()));
 273         else
 274                 set_bline_point_angle_offset(0);
 275
 276         if(settings.get_value("circle.invert",value) && value != "0")
 277                 set_invert(true);
 278         else
 279                 set_invert(false);
 280
 281         if(settings.get_value("circle.layer_circle",value) && value=="0")
 282                 set_layer_circle_flag(false);
 283         else
 284                 set_layer_circle_flag(true);
 285
 286         if(settings.get_value("circle.layer_region",value) && value=="1")
 287                 set_layer_region_flag(true);
 288         else
 289                 set_layer_region_flag(false);
 290
 291         if(settings.get_value("circle.layer_outline",value) && value=="1")
 292                 set_layer_outline_flag(true);
 293         else
 294                 set_layer_outline_flag(false);
 295
 296         if(settings.get_value("circle.layer_curve_gradient",value) && value=="1")
 297                 set_layer_curve_gradient_flag(true);
 298         else
 299                 set_layer_curve_gradient_flag(false);
 300
 301         if(settings.get_value("circle.layer_plant",value) && value=="1")
 302                 set_layer_plant_flag(true);
 303         else
 304                 set_layer_plant_flag(false);
 305
 306         if(settings.get_value("circle.layer_link_origins",value) && value=="0")
 307                 set_layer_link_origins_flag(false);
 308         else
 309                 set_layer_link_origins_flag(true);
 310
 311         if(settings.get_value("circle.layer_origins_at_center",value) && value=="0")
 312                 set_layer_origins_at_center_flag(false);
 313         else
 314                 set_layer_origins_at_center_flag(true);
 315 }
 316
 317 void
 318 StateCircle_Context::save_settings()
 319 {
 320         settings.set_value("circle.id",get_id());
 321         settings.set_value("circle.fallofftype",strprintf("%d",get_falloff()));
 322 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 323         settings.set_value("circle.blend",strprintf("%d",get_blend()));
 324 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 325         settings.set_value("circle.feather",strprintf("%f",(float)get_feather()));
 326         settings.set_value("circle.number_of_bline_points",strprintf("%d",(int)(get_number_of_bline_points() + 0.5)));
 327         settings.set_value("circle.bline_point_angle_offset",strprintf("%f",(float)get_bline_point_angle_offset()));
 328         settings.set_value("circle.invert",get_invert()?"1":"0");
 329         settings.set_value("circle.layer_circle",get_layer_circle_flag()?"1":"0");
 330         settings.set_value("circle.layer_outline",get_layer_outline_flag()?"1":"0");
 331         settings.set_value("circle.layer_region",get_layer_region_flag()?"1":"0");
 332         settings.set_value("circle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 333         settings.set_value("circle.layer_plant",get_layer_plant_flag()?"1":"0");
 334         settings.set_value("circle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 335         settings.set_value("circle.layer_origins_at_center",get_layer_origins_at_center_flag()?"1":"0");
 336 }
 337
 338 void
 339 StateCircle_Context::reset()
 340 {
 341         refresh_ducks();
 342 }
 343
 344 void
 345 StateCircle_Context::increment_id()
 346 {
 347         String id(get_id());
 348         int number=1;
 349         int digits=0;
 350
 351         if(id.empty())
 352                 id="Circle";
 353
 354         // If there is a number
 355         // already at the end of the
 356         // id, then remove it.
 357         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 358         {
 359                 // figure out how many digits it is
 360                 for (digits = 0;
 361                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 362                          digits++)
 363                         ;
 364
 365                 String str_number;
 366                 str_number=String(id,id.size()-digits,id.size());
 367                 id=String(id,0,id.size()-digits);
 368
 369                 number=atoi(str_number.c_str());
 370         }
 371         else
 372         {
 373                 number=1;
 374                 digits=3;
 375         }
 376
 377         number++;
 378
 379         // Add the number back onto the id
 380         {
 381                 const String format(strprintf("%%0%dd",digits));
 382                 id+=strprintf(format.c_str(),number);
 383         }
 384
 385         // Set the ID
 386         set_id(id);
 387 }
 388
 389 StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
 390         canvas_view_(canvas_view),
 391         is_working(*canvas_view),
 392         duckmatic_push(get_work_area()),
 393         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 394         settings(synfigapp::Main::get_selected_input_device()->settings()),
 395         entry_id(),                             //   value lower upper  step page
 396         adj_feather(                                    0,    0,    1, 0.01, 0.1),
 397         adj_number_of_bline_points(             0,    2,  120, 1   , 1  ),
 398         adj_bline_point_angle_offset(   0, -360,  360, 0.1 , 1  ),
 399         spin_feather(adj_feather,0.1,3),
 400         spin_number_of_bline_points(adj_number_of_bline_points,1,0),
 401         spin_bline_point_angle_offset(adj_bline_point_angle_offset,1,1),
 402         checkbutton_invert(_("Invert")),
 403         checkbutton_layer_circle(_("Create Circle Layer")),
 404         checkbutton_layer_region(_("Create Region BLine")),
 405         checkbutton_layer_outline(_("Create Outline BLine")),
 406         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 407         checkbutton_layer_plant(_("Create Plant BLine")),
 408         checkbutton_layer_link_origins(_("Link Origins")),
 409         checkbutton_layer_origins_at_center(_("BLine Origins at Center"))
 410 {
 411         egress_on_selection_change=true;
 412
 413         // Set up the tool options dialog
 414         enum_falloff.set_param_desc(ParamDesc("falloff")
 415                 .set_local_name(_("Falloff"))
 416                 .set_description(_("Determines the falloff function for the feather"))
 417                 .set_hint("enum")
 418                 .add_enum_value(CIRCLE_INTERPOLATION_LINEAR,"linear",_("Linear"))
 419                 .add_enum_value(CIRCLE_SQUARED,"squared",_("Squared"))
 420                 .add_enum_value(CIRCLE_SQRT,"sqrt",_("Square Root"))
 421                 .add_enum_value(CIRCLE_SIGMOND,"sigmond",_("Sigmond"))
 422                 .add_enum_value(CIRCLE_COSINE,"cosine",_("Cosine")));
 423
 424 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 425         enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
 426                 .set_local_name(_("Blend Method"))
 427                 .set_description(_("Defines the blend method to be used for circles")));
 428 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 429
 430         load_settings();
 431
 432         options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))),         0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 433         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 434
 435         options_table.attach(checkbutton_layer_circle,                                          0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 436         options_table.attach(checkbutton_layer_outline,                                         0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 437         options_table.attach(checkbutton_layer_region,                                          0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 438         options_table.attach(checkbutton_layer_plant,                                           0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 439         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 440         options_table.attach(checkbutton_layer_link_origins,                            0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 441         options_table.attach(checkbutton_layer_origins_at_center,                       0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 442
 443         //invert flag
 444         options_table.attach(checkbutton_invert,                                                0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 445
 446         options_table.attach(*manage(new Gtk::Label(_("Falloff:"))),            0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 447         options_table.attach(enum_falloff,                                      1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 448
 449         //feather stuff
 450         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 451         options_table.attach(spin_feather,                                                              1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 452
 453 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 454         options_table.attach(enum_blend,                                        0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 455 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 456
 457         options_table.attach(*manage(new Gtk::Label(_("BLine Points:"))),       0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 458         options_table.attach(spin_number_of_bline_points,                                       1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 459
 460 options_table.attach(*manage(new Gtk::Label(_("Point Angle Offset:"))), 0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 461         options_table.attach(spin_bline_point_angle_offset,                                     1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 462
 463         options_table.show_all();
 464
 465         refresh_tool_options();
 466         App::dialog_tool_options->present();
 467
 468         // Turn off layer clicking
 469         get_work_area()->set_allow_layer_clicks(false);
 470
 471         // clear out the ducks
 472         get_work_area()->clear_ducks();
 473
 474         // Refresh the work area
 475         get_work_area()->queue_draw();
 476
 477         // Hide the tables if they are showing
 478         //prev_table_status=get_canvas_view()->tables_are_visible();
 479         //if(prev_table_status)get_canvas_view()->hide_tables();
 480
 481         // Disable the time bar
 482         //get_canvas_view()->set_sensitive_timebar(false);
 483
 484         // Connect a signal
 485         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateCircle_Context::on_user_click));
 486         get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
 487
 488         App::toolbox->refresh();
 489 }
 490
 491 void
 492 StateCircle_Context::refresh_tool_options()
 493 {
 494         App::dialog_tool_options->clear();
 495         App::dialog_tool_options->set_widget(options_table);
 496         App::dialog_tool_options->set_local_name(_("Circle Tool"));
 497         App::dialog_tool_options->set_name("circle");
 498 }
 499
 500 Smach::event_result
 501 StateCircle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 502 {
 503         refresh_tool_options();
 504         return Smach::RESULT_ACCEPT;
 505 }
 506
 507 StateCircle_Context::~StateCircle_Context()
 508 {
 509         save_settings();
 510
 511         // Restore layer clicking
 512         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 513         get_canvas_view()->work_area->reset_cursor();
 514
 515         App::dialog_tool_options->clear();
 516
 517         // Enable the time bar
 518         //get_canvas_view()->set_sensitive_timebar(true);
 519
 520         // Bring back the tables if they were out before
 521         //if(prev_table_status)get_canvas_view()->show_tables();
 522
 523         // Refresh the work area
 524         get_work_area()->queue_draw();
 525
 526         get_canvas_view()->queue_rebuild_ducks();
 527
 528         App::toolbox->refresh();
 529 }
 530
 531 Smach::event_result
 532 StateCircle_Context::event_stop_handler(const Smach::event& /*x*/)
 533 {
 534         throw Smach::egress_exception();
 535 }
 536
 537 Smach::event_result
 538 StateCircle_Context::event_refresh_handler(const Smach::event& /*x*/)
 539 {
 540         refresh_ducks();
 541         return Smach::RESULT_ACCEPT;
 542 }
 543
 544 void
 545 StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
 546 {
 547         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
 548         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 549
 550         Layer::Handle layer;
 551
 552         Canvas::Handle canvas;
 553         int depth(0);
 554
 555         // we are temporarily using the layer to hold something
 556         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 557         if(layer)
 558         {
 559                 depth=layer->get_depth();
 560                 canvas=layer->get_canvas();
 561         }
 562
 563         synfigapp::SelectionManager::LayerList layer_selection;
 564         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 565                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 566
 567         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 568         const Point p1(transform.unperform(_p1));
 569         const Point p2(transform.unperform(_p2));
 570
 571         Real radius((p2-p1).mag());
 572         int points = get_number_of_bline_points();
 573         Angle::deg offset(get_bline_point_angle_offset());
 574         Angle::deg angle(360.0/points);
 575         Real tangent(4 * ((points == 2)
 576                                           ? 1
 577                                           : ((2 * Angle::cos(angle/2).get() - Angle::cos(angle).get() - 1) / Angle::sin(angle).get())));
 578         Vector origin;
 579         Real x, y;
 580
 581         if (get_layer_origins_at_center_flag())
 582         {
 583                 x = y = 0;
 584                 origin = p1;
 585         }
 586         else
 587         {
 588                 x = p1[0];
 589                 y = p1[1];
 590         }
 591
 592         std::vector<BLinePoint> new_list;
 593         for (int i = 0; i < points; i++)
 594         {
 595                 new_list.push_back(*(new BLinePoint));
 596                 new_list[i].set_width(1);
 597                 new_list[i].set_vertex(Point(radius*Angle::cos(angle*i + offset).get() + x,
 598                                                                          radius*Angle::sin(angle*i + offset).get() + y));
 599                 new_list[i].set_tangent(Point(-radius*tangent*Angle::sin(angle*i + offset).get(),
 600                                                                            radius*tangent*Angle::cos(angle*i + offset).get()));
 601         }
 602
 603         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 604         assert(value_node_bline);
 605
 606         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(origin));
 607         assert(value_node_origin);
 608
 609         // Set the looping flag
 610         value_node_bline->set_loop(true);
 611
 612         if(!canvas)
 613                 canvas=get_canvas_view()->get_canvas();
 614
 615         value_node_bline->set_member_canvas(canvas);
 616
 617         // count how many layers we're going to be creating
 618         int layers_to_create = this->layers_to_create();
 619
 620         ///////////////////////////////////////////////////////////////////////////
 621         //   C I R C L E
 622         ///////////////////////////////////////////////////////////////////////////
 623
 624         if (get_layer_circle_flag() &&
 625                 get_falloff() >= 0 && get_falloff() < CIRCLE_NUM_FALLOFF)
 626         {
 627                 layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
 628                 if (!layer)
 629                 {
 630                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 631                         group.cancel();
 632                         return;
 633                 }
 634                 layer_selection.push_back(layer);
 635
 636                 layer->set_param("radius",(p2-p1).mag());
 637                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
 638
 639                 layer->set_param("falloff",get_falloff());
 640                 get_canvas_interface()->signal_layer_param_changed()(layer,"falloff");
 641
 642                 layer->set_param("feather",get_feather());
 643                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 644
 645                 layer->set_param("invert",get_invert());
 646                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 647
 648 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 649                 layer->set_param("blend_method",get_blend());
 650                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 651 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 652
 653                 layer->set_description(get_id());
 654                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 655
 656                 // only link the circle's origin parameter if the option is selected, we're putting bline
 657                 // origins at their centers, and we're creating more than one layer
 658                 if (get_layer_link_origins_flag() && get_layer_origins_at_center_flag() && layers_to_create > 1)
 659                 {
 660                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 661                         assert(action);
 662
 663                         action->set_param("canvas",get_canvas());
 664                         action->set_param("canvas_interface",get_canvas_interface());
 665                         action->set_param("layer",layer);
 666                         if(!action->set_param("param",String("origin")))
 667                                 synfig::error("LayerParamConnect didn't like \"param\"");
 668                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 669                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 670
 671                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 672                         {
 673                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Circle layer"));
 674                                 group.cancel();
 675                                 throw String(_("Unable to create Circle layer"));
 676                                 return;
 677                         }
 678                 }
 679                 else
 680                 {
 681                         layer->set_param("origin",p1);
 682                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 683                 }
 684         }
 685
 686         ///////////////////////////////////////////////////////////////////////////
 687         //   C U R V E   G R A D I E N T
 688         ///////////////////////////////////////////////////////////////////////////
 689
 690         if(get_layer_curve_gradient_flag())
 691         {
 692                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 693
 694                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 695                 if (!layer)
 696                 {
 697                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 698                         group.cancel();
 699                         return;
 700                 }
 701                 layer_selection.push_back(layer);
 702                 layer->set_description(get_id()+_(" Gradient"));
 703                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 704
 705 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 706                 layer->set_param("blend_method",get_blend());
 707                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 708 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 709
 710                 {
 711                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 712                         assert(action);
 713
 714                         action->set_param("canvas",get_canvas());
 715                         action->set_param("canvas_interface",get_canvas_interface());
 716                         action->set_param("layer",layer);
 717                         if(!action->set_param("param",String("bline")))
 718                                 synfig::error("LayerParamConnect didn't like \"param\"");
 719                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 720                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 721
 722                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 723                         {
 724                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 725                                 group.cancel();
 726                                 throw String(_("Unable to create Gradient layer"));
 727                                 return;
 728                         }
 729                 }
 730
 731                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 732                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 733                 {
 734                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 735                         assert(action);
 736
 737                         action->set_param("canvas",get_canvas());
 738                         action->set_param("canvas_interface",get_canvas_interface());
 739                         action->set_param("layer",layer);
 740                         if(!action->set_param("param",String("origin")))
 741                                 synfig::error("LayerParamConnect didn't like \"param\"");
 742                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 743                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 744
 745                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 746                         {
 747                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 748                                 group.cancel();
 749                                 throw String(_("Unable to create Gradient layer"));
 750                                 return;
 751                         }
 752                 }
 753                 else
 754                 {
 755                         layer->set_param("origin",origin);
 756                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 757                 }
 758         }
 759
 760         ///////////////////////////////////////////////////////////////////////////
 761         //   P L A N T
 762         ///////////////////////////////////////////////////////////////////////////
 763
 764         if(get_layer_plant_flag())
 765         {
 766                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 767
 768                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 769                 if (!layer)
 770                 {
 771                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 772                         group.cancel();
 773                         return;
 774                 }
 775                 layer_selection.push_back(layer);
 776                 layer->set_description(get_id()+_(" Plant"));
 777                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 778
 779 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 780                 layer->set_param("blend_method",get_blend());
 781                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 782 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 783
 784                 {
 785                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 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 BLine layer"));
 799                                 group.cancel();
 800                                 throw String(_("Unable to create Plant layer"));
 801                                 return;
 802                         }
 803                 }
 804
 805                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 806                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 807                 {
 808                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 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("origin")))
 815                                 synfig::error("LayerParamConnect didn't like \"param\"");
 816                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 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 BLine layer"));
 822                                 group.cancel();
 823                                 throw String(_("Unable to create Plant layer"));
 824                                 return;
 825                         }
 826                 }
 827                 else
 828                 {
 829                         layer->set_param("origin",origin);
 830                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 831                 }
 832         }
 833
 834         ///////////////////////////////////////////////////////////////////////////
 835         //   R E G I O N
 836         ///////////////////////////////////////////////////////////////////////////
 837
 838         if(get_layer_region_flag())
 839         {
 840                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 841
 842                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 843                 if (!layer)
 844                 {
 845                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 846                         group.cancel();
 847                         return;
 848                 }
 849                 layer_selection.push_back(layer);
 850                 layer->set_description(get_id()+_(" Region"));
 851                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 852
 853 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 854                 layer->set_param("blend_method",get_blend());
 855                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 856 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 857
 858                 layer->set_param("feather",get_feather());
 859                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 860
 861                 layer->set_param("invert",get_invert());
 862                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 863
 864                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 865                 // using 2 separate ones.
 866                 {
 867                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 868                         assert(action);
 869
 870                         action->set_param("canvas",get_canvas());
 871                         action->set_param("canvas_interface",get_canvas_interface());
 872                         action->set_param("layer",layer);
 873                         if(!action->set_param("param",String("bline")))
 874                                 synfig::error("LayerParamConnect didn't like \"param\"");
 875                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 876                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 877
 878                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 879                         {
 880                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 881                                 group.cancel();
 882                                 throw String(_("Unable to create Region layer"));
 883                                 return;
 884                         }
 885                 }
 886
 887                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 888                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 889                 {
 890                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 891                         assert(action);
 892
 893                         action->set_param("canvas",get_canvas());
 894                         action->set_param("canvas_interface",get_canvas_interface());
 895                         action->set_param("layer",layer);
 896                         if(!action->set_param("param",String("origin")))
 897                                 synfig::error("LayerParamConnect didn't like \"param\"");
 898                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 899                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 900
 901                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 902                         {
 903                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 904                                 group.cancel();
 905                                 throw String(_("Unable to create Region layer"));
 906                                 return;
 907                         }
 908                 }
 909                 else
 910                 {
 911                         layer->set_param("origin",origin);
 912                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 913                 }
 914         }
 915
 916         ///////////////////////////////////////////////////////////////////////////
 917         //   O U T L I N E
 918         ///////////////////////////////////////////////////////////////////////////
 919
 920         if (get_layer_outline_flag())
 921         {
 922                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 923                 if (!layer)
 924                 {
 925                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 926                         group.cancel();
 927                         return;
 928                 }
 929                 layer_selection.push_back(layer);
 930                 layer->set_description(get_id()+_(" Outline"));
 931                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 932
 933 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 934                 layer->set_param("blend_method",get_blend());
 935                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 936 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 937
 938                 layer->set_param("feather",get_feather());
 939                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 940
 941                 layer->set_param("invert",get_invert());
 942                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 943
 944                 {
 945                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 946                         assert(action);
 947
 948                         action->set_param("canvas",get_canvas());
 949                         action->set_param("canvas_interface",get_canvas_interface());
 950                         action->set_param("layer",layer);
 951                         if(!action->set_param("param",String("bline")))
 952                                 synfig::error("LayerParamConnect didn't like \"param\"");
 953                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 954                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 955
 956                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 957                         {
 958                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 959                                 group.cancel();
 960                                 throw String(_("Unable to create Outline layer"));
 961                                 return;
 962                         }
 963                 }
 964
 965                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 966                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 967                 {
 968                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 969                         assert(action);
 970
 971                         action->set_param("canvas",get_canvas());
 972                         action->set_param("canvas_interface",get_canvas_interface());
 973                         action->set_param("layer",layer);
 974                         if(!action->set_param("param",String("origin")))
 975                                 synfig::error("LayerParamConnect didn't like \"param\"");
 976                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 977                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 978
 979                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 980                         {
 981                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 982                                 group.cancel();
 983                                 throw String(_("Unable to create Outline layer"));
 984                                 return;
 985                         }
 986                 }
 987                 else
 988                 {
 989                         layer->set_param("origin",origin);
 990                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 991                 }
 992         }
 993
 994         egress_on_selection_change=false;
 995         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
 996         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
 997         egress_on_selection_change=true;
 998
 999         reset();
1000         increment_id();
1001 }
1002
1003 Smach::event_result
1004 StateCircle_Context::event_mouse_click_handler(const Smach::event& x)
1005 {
1006         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
1007
1008         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
1009         {
1010                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
1011                 etl::handle<Duck> duck=new Duck();
1012                 duck->set_point(point_holder);
1013                 duck->set_name("p1");
1014                 duck->set_type(Duck::TYPE_POSITION);
1015                 duck->set_editable(false);
1016                 get_work_area()->add_duck(duck);
1017
1018                 point2_duck=new Duck();
1019                 point2_duck->set_point(Vector(0,0));
1020                 point2_duck->set_name("radius");
1021                 point2_duck->set_origin(duck);
1022                 point2_duck->set_radius(true);
1023                 point2_duck->set_scalar(-1);
1024                 point2_duck->set_type(Duck::TYPE_RADIUS);
1025                 point2_duck->set_hover(true);
1026                 get_work_area()->add_duck(point2_duck);
1027
1028                 return Smach::RESULT_ACCEPT;
1029         }
1030
1031         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
1032         {
1033                 if (!point2_duck) return Smach::RESULT_OK;
1034                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
1035                 get_work_area()->queue_draw();
1036                 return Smach::RESULT_ACCEPT;
1037         }
1038
1039         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
1040         {
1041                 Point point(get_work_area()->snap_point_to_grid(event.pos));
1042
1043                 if (App::restrict_radius_ducks)
1044                 {
1045                         if ((point[0] - point_holder[0]) < 0) point[0] = point_holder[0];
1046                         if ((point[1] - point_holder[1]) < 0) point[1] = point_holder[1];
1047                 }
1048
1049                 make_circle(point_holder, point);
1050                 get_work_area()->clear_ducks();
1051                 return Smach::RESULT_ACCEPT;
1052         }
1053
1054         return Smach::RESULT_OK;
1055 }
1056
1057
1058 void
1059 StateCircle_Context::refresh_ducks()
1060 {
1061         get_work_area()->clear_ducks();
1062         get_work_area()->queue_draw();
1063 }