synfig-studio/src/gui/states/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 "state_normal.h"
  42 #include "canvasview.h"
  43 #include "workarea.h"
  44 #include "app.h"
  45
  46 #include <synfigapp/action.h>
  47 #include "event_mouse.h"
  48 #include "event_layerclick.h"
  49 #include "toolbox.h"
  50 #include "docks/dialog_tooloptions.h"
  51 #include <gtkmm/optionmenu.h>
  52 #include "duck.h"
  53 #include "widgets/widget_enum.h"
  54 #include <synfigapp/main.h>
  55
  56 #include "general.h"
  57
  58 #endif
  59
  60 /* === U S I N G =========================================================== */
  61
  62 using namespace std;
  63 using namespace etl;
  64 using namespace synfig;
  65 using namespace studio;
  66
  67 /* === M A C R O S ========================================================= */
  68 enum CircleFalloff
  69 {
  70         CIRCLE_SQUARED  =0,
  71         CIRCLE_INTERPOLATION_LINEAR     =1,
  72         CIRCLE_COSINE   =2,
  73         CIRCLE_SIGMOND  =3,
  74         CIRCLE_SQRT             =4,
  75         CIRCLE_NUM_FALLOFF
  76 };
  77
  78 /* === G L O B A L S ======================================================= */
  79
  80 StateCircle studio::state_circle;
  81
  82 /* === C L A S S E S & S T R U C T S ======================================= */
  83
  84 class studio::StateCircle_Context : public sigc::trackable
  85 {
  86         etl::handle<CanvasView> canvas_view_;
  87         CanvasView::IsWorking is_working;
  88
  89         Duckmatic::Push duckmatic_push;
  90
  91         Point point_holder;
  92
  93         etl::handle<Duck> point2_duck;
  94
  95         void refresh_ducks();
  96
  97         bool prev_workarea_layer_status_;
  98
  99         //Toolbox settings
 100         synfigapp::Settings& settings;
 101
 102         //Toolbox display
 103         Gtk::Table options_table;
 104
 105         Gtk::Entry              entry_id; //what to name the layer
 106
 107         Widget_Enum             enum_falloff;
 108 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 109         Widget_Enum             enum_blend;
 110 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 111
 112         Gtk::Adjustment adj_feather;
 113         Gtk::Adjustment adj_number_of_bline_points;
 114         Gtk::Adjustment adj_bline_point_angle_offset;
 115         Gtk::SpinButton spin_feather;
 116         Gtk::SpinButton spin_number_of_bline_points;
 117         Gtk::SpinButton spin_bline_point_angle_offset;
 118
 119         Gtk::CheckButton checkbutton_invert;
 120         Gtk::CheckButton checkbutton_layer_circle;
 121         Gtk::CheckButton checkbutton_layer_region;
 122         Gtk::CheckButton checkbutton_layer_outline;
 123         Gtk::CheckButton checkbutton_layer_curve_gradient;
 124         Gtk::CheckButton checkbutton_layer_plant;
 125         Gtk::CheckButton checkbutton_layer_link_origins;
 126         Gtk::CheckButton checkbutton_layer_origins_at_center;
 127
 128 public:
 129
 130         // this only counts the layers which will have their origins linked
 131         int layers_to_create()const
 132         {
 133                 return
 134                         (get_layer_circle_flag() && get_layer_origins_at_center_flag()) +
 135                         get_layer_region_flag() +
 136                         get_layer_outline_flag() +
 137                         get_layer_curve_gradient_flag() +
 138                         get_layer_plant_flag();
 139         }
 140
 141         synfig::String get_id()const { return entry_id.get_text(); }
 142         void set_id(const synfig::String& x) { return entry_id.set_text(x); }
 143
 144         int get_falloff()const { return enum_falloff.get_value(); }
 145         void set_falloff(int x) { return enum_falloff.set_value(x); }
 146
 147 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 148         int get_blend()const { return enum_blend.get_value(); }
 149         void set_blend(int x) { return enum_blend.set_value(x); }
 150 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 151
 152         Real get_feather()const { return adj_feather.get_value(); }
 153         void set_feather(Real f) { adj_feather.set_value(f); }
 154
 155         Real get_number_of_bline_points()const { return adj_number_of_bline_points.get_value(); }
 156         void set_number_of_bline_points(Real f) { adj_number_of_bline_points.set_value(f); }
 157
 158         Real get_bline_point_angle_offset()const { return adj_bline_point_angle_offset.get_value(); }
 159         void set_bline_point_angle_offset(Real f) { adj_bline_point_angle_offset.set_value(f); }
 160
 161         bool get_invert()const { return checkbutton_invert.get_active(); }
 162         void set_invert(bool i) { checkbutton_invert.set_active(i); }
 163
 164         bool get_layer_circle_flag()const { return checkbutton_layer_circle.get_active(); }
 165         void set_layer_circle_flag(bool x) { return checkbutton_layer_circle.set_active(x); }
 166
 167         bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
 168         void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
 169
 170         bool get_layer_outline_flag()const { return checkbutton_layer_outline.get_active(); }
 171         void set_layer_outline_flag(bool x) { return checkbutton_layer_outline.set_active(x); }
 172
 173         bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
 174         void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
 175
 176         bool get_layer_plant_flag()const { return checkbutton_layer_plant.get_active(); }
 177         void set_layer_plant_flag(bool x) { return checkbutton_layer_plant.set_active(x); }
 178
 179         bool get_layer_link_origins_flag()const { return checkbutton_layer_link_origins.get_active(); }
 180         void set_layer_link_origins_flag(bool x) { return checkbutton_layer_link_origins.set_active(x); }
 181
 182         bool get_layer_origins_at_center_flag()const { return checkbutton_layer_origins_at_center.get_active(); }
 183         void set_layer_origins_at_center_flag(bool x) { return checkbutton_layer_origins_at_center.set_active(x); }
 184
 185         void refresh_tool_options(); //to refresh the toolbox
 186
 187         //events
 188         Smach::event_result event_stop_handler(const Smach::event& x);
 189         Smach::event_result event_refresh_handler(const Smach::event& x);
 190         Smach::event_result event_mouse_click_handler(const Smach::event& x);
 191         Smach::event_result event_refresh_tool_options(const Smach::event& x);
 192
 193         //constructor destructor
 194         StateCircle_Context(CanvasView* canvas_view);
 195         ~StateCircle_Context();
 196
 197         //Canvas interaction
 198         const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
 199         etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
 200         synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
 201         WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
 202
 203         //Modifying settings etc.
 204         void load_settings();
 205         void save_settings();
 206         void reset();
 207         void increment_id();
 208         bool egress_on_selection_change;
 209         Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
 210         {
 211                 if(egress_on_selection_change)
 212                         throw &state_normal; //throw Smach::egress_exception();
 213                 return Smach::RESULT_OK;
 214         }
 215
 216         void make_circle(const Point& p1, const Point& p2);
 217
 218 };      // END of class StateCircle_Context
 219
 220 /* === M E T H O D S ======================================================= */
 221
 222 StateCircle::StateCircle():
 223         Smach::state<StateCircle_Context>("circle")
 224 {
 225         insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateCircle_Context::event_layer_selection_changed_handler));
 226         insert(event_def(EVENT_STOP,&StateCircle_Context::event_stop_handler));
 227         insert(event_def(EVENT_REFRESH,&StateCircle_Context::event_refresh_handler));
 228         insert(event_def(EVENT_REFRESH_DUCKS,&StateCircle_Context::event_refresh_handler));
 229         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateCircle_Context::event_mouse_click_handler));
 230         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateCircle_Context::event_mouse_click_handler));
 231         insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateCircle_Context::event_mouse_click_handler));
 232         insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateCircle_Context::event_refresh_tool_options));
 233 }
 234
 235 StateCircle::~StateCircle()
 236 {
 237 }
 238
 239 void
 240 StateCircle_Context::load_settings()
 241 {
 242         try
 243         {
 244                 synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
 245                 String value;
 246
 247                 //parse the arguments yargh!
 248                 if(settings.get_value("circle.id",value))
 249                         set_id(value);
 250                 else
 251                         set_id("Circle");
 252
 253                 if(settings.get_value("circle.fallofftype",value) && value != "")
 254                         set_falloff(atoi(value.c_str()));
 255                 else
 256                         set_falloff(2);
 257
 258         #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 259                 if(settings.get_value("circle.blend",value) && value != "")
 260                         set_blend(atoi(value.c_str()));
 261                 else
 262                         set_blend(0);//(int)Color::BLEND_COMPOSITE); //0 should be blend composites value
 263         #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 264
 265                 if(settings.get_value("circle.feather",value))
 266                         set_feather(atof(value.c_str()));
 267                 else
 268                         set_feather(0);
 269
 270                 if(settings.get_value("circle.number_of_bline_points",value))
 271                         set_number_of_bline_points(atof(value.c_str()));
 272                 else
 273                         set_number_of_bline_points(4);
 274
 275                 if(settings.get_value("circle.bline_point_angle_offset",value))
 276                         set_bline_point_angle_offset(atof(value.c_str()));
 277                 else
 278                         set_bline_point_angle_offset(0);
 279
 280                 if(settings.get_value("circle.invert",value) && value != "0")
 281                         set_invert(true);
 282                 else
 283                         set_invert(false);
 284
 285                 if(settings.get_value("circle.layer_circle",value) && value=="0")
 286                         set_layer_circle_flag(false);
 287                 else
 288                         set_layer_circle_flag(true);
 289
 290                 if(settings.get_value("circle.layer_region",value) && value=="1")
 291                         set_layer_region_flag(true);
 292                 else
 293                         set_layer_region_flag(false);
 294
 295                 if(settings.get_value("circle.layer_outline",value) && value=="1")
 296                         set_layer_outline_flag(true);
 297                 else
 298                         set_layer_outline_flag(false);
 299
 300                 if(settings.get_value("circle.layer_curve_gradient",value) && value=="1")
 301                         set_layer_curve_gradient_flag(true);
 302                 else
 303                         set_layer_curve_gradient_flag(false);
 304
 305                 if(settings.get_value("circle.layer_plant",value) && value=="1")
 306                         set_layer_plant_flag(true);
 307                 else
 308                         set_layer_plant_flag(false);
 309
 310                 if(settings.get_value("circle.layer_link_origins",value) && value=="0")
 311                         set_layer_link_origins_flag(false);
 312                 else
 313                         set_layer_link_origins_flag(true);
 314
 315                 if(settings.get_value("circle.layer_origins_at_center",value) && value=="0")
 316                         set_layer_origins_at_center_flag(false);
 317                 else
 318                         set_layer_origins_at_center_flag(true);
 319         }
 320         catch(...)
 321         {
 322                 synfig::warning("State Circle: Caught exception when attempting to load settings.");
 323         }
 324 }
 325
 326 void
 327 StateCircle_Context::save_settings()
 328 {
 329         try
 330         {
 331                 synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
 332                 settings.set_value("circle.id",get_id());
 333                 settings.set_value("circle.fallofftype",strprintf("%d",get_falloff()));
 334         #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 335                 settings.set_value("circle.blend",strprintf("%d",get_blend()));
 336         #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 337                 settings.set_value("circle.feather",strprintf("%f",(float)get_feather()));
 338                 settings.set_value("circle.number_of_bline_points",strprintf("%d",(int)(get_number_of_bline_points() + 0.5)));
 339                 settings.set_value("circle.bline_point_angle_offset",strprintf("%f",(float)get_bline_point_angle_offset()));
 340                 settings.set_value("circle.invert",get_invert()?"1":"0");
 341                 settings.set_value("circle.layer_circle",get_layer_circle_flag()?"1":"0");
 342                 settings.set_value("circle.layer_outline",get_layer_outline_flag()?"1":"0");
 343                 settings.set_value("circle.layer_region",get_layer_region_flag()?"1":"0");
 344                 settings.set_value("circle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 345                 settings.set_value("circle.layer_plant",get_layer_plant_flag()?"1":"0");
 346                 settings.set_value("circle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 347                 settings.set_value("circle.layer_origins_at_center",get_layer_origins_at_center_flag()?"1":"0");
 348         }
 349         catch(...)
 350         {
 351                 synfig::warning("State Circle: Caught exception when attempting to save settings.");
 352         }
 353 }
 354
 355 void
 356 StateCircle_Context::reset()
 357 {
 358         refresh_ducks();
 359 }
 360
 361 void
 362 StateCircle_Context::increment_id()
 363 {
 364         String id(get_id());
 365         int number=1;
 366         int digits=0;
 367
 368         if(id.empty())
 369                 id="Circle";
 370
 371         // If there is a number
 372         // already at the end of the
 373         // id, then remove it.
 374         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 375         {
 376                 // figure out how many digits it is
 377                 for (digits = 0;
 378                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 379                          digits++)
 380                         ;
 381
 382                 String str_number;
 383                 str_number=String(id,id.size()-digits,id.size());
 384                 id=String(id,0,id.size()-digits);
 385
 386                 number=atoi(str_number.c_str());
 387         }
 388         else
 389         {
 390                 number=1;
 391                 digits=3;
 392         }
 393
 394         number++;
 395
 396         // Add the number back onto the id
 397         {
 398                 const String format(strprintf("%%0%dd",digits));
 399                 id+=strprintf(format.c_str(),number);
 400         }
 401
 402         // Set the ID
 403         set_id(id);
 404 }
 405
 406 StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
 407         canvas_view_(canvas_view),
 408         is_working(*canvas_view),
 409         duckmatic_push(get_work_area()),
 410         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 411         settings(synfigapp::Main::get_selected_input_device()->settings()),
 412         entry_id(),                             //   value lower upper  step page
 413         adj_feather(                                    0,    0,    1, 0.01, 0.1),
 414         adj_number_of_bline_points(             0,    2,  120, 1   , 1  ),
 415         adj_bline_point_angle_offset(   0, -360,  360, 0.1 , 1  ),
 416         spin_feather(adj_feather,0.1,3),
 417         spin_number_of_bline_points(adj_number_of_bline_points,1,0),
 418         spin_bline_point_angle_offset(adj_bline_point_angle_offset,1,1),
 419         checkbutton_invert(_("Invert")),
 420         checkbutton_layer_circle(_("Create Circle Layer")),
 421         checkbutton_layer_region(_("Create Region BLine")),
 422         checkbutton_layer_outline(_("Create Outline BLine")),
 423         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 424         checkbutton_layer_plant(_("Create Plant BLine")),
 425         checkbutton_layer_link_origins(_("Link Origins")),
 426         checkbutton_layer_origins_at_center(_("BLine Origins at Center"))
 427 {
 428         egress_on_selection_change=true;
 429
 430         // Set up the tool options dialog
 431         enum_falloff.set_param_desc(ParamDesc("falloff")
 432                 .set_local_name(_("Falloff"))
 433                 .set_description(_("Determines the falloff function for the feather"))
 434                 .set_hint("enum")
 435                 .add_enum_value(CIRCLE_INTERPOLATION_LINEAR,"linear",_("Linear"))
 436                 .add_enum_value(CIRCLE_SQUARED,"squared",_("Squared"))
 437                 .add_enum_value(CIRCLE_SQRT,"sqrt",_("Square Root"))
 438                 .add_enum_value(CIRCLE_SIGMOND,"sigmond",_("Sigmond"))
 439                 .add_enum_value(CIRCLE_COSINE,"cosine",_("Cosine")));
 440
 441 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 442         enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
 443                 .set_local_name(_("Blend Method"))
 444                 .set_description(_("Defines the blend method to be used for circles")));
 445 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 446
 447         load_settings();
 448
 449         options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))),         0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 450         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 451
 452         options_table.attach(checkbutton_layer_circle,                                          0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 453         options_table.attach(checkbutton_layer_outline,                                         0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 454         options_table.attach(checkbutton_layer_region,                                          0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 455         options_table.attach(checkbutton_layer_plant,                                           0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 456         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 457         options_table.attach(checkbutton_layer_link_origins,                            0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 458         options_table.attach(checkbutton_layer_origins_at_center,                       0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 459
 460         //invert flag
 461         options_table.attach(checkbutton_invert,                                                0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 462
 463         options_table.attach(*manage(new Gtk::Label(_("Falloff:"))),            0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 464         options_table.attach(enum_falloff,                                      1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 465
 466         //feather stuff
 467         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 468         options_table.attach(spin_feather,                                                              1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 469
 470 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 471         options_table.attach(enum_blend,                                        0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 472 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 473
 474         options_table.attach(*manage(new Gtk::Label(_("BLine Points:"))),       0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 475         options_table.attach(spin_number_of_bline_points,                                       1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 476
 477 options_table.attach(*manage(new Gtk::Label(_("Point Angle Offset:"))), 0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 478         options_table.attach(spin_bline_point_angle_offset,                                     1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 479
 480         options_table.show_all();
 481
 482         refresh_tool_options();
 483         App::dialog_tool_options->present();
 484
 485         // Turn off layer clicking
 486         get_work_area()->set_allow_layer_clicks(false);
 487
 488         // clear out the ducks
 489         get_work_area()->clear_ducks();
 490
 491         // Refresh the work area
 492         get_work_area()->queue_draw();
 493
 494         // Hide the tables if they are showing
 495         //prev_table_status=get_canvas_view()->tables_are_visible();
 496         //if(prev_table_status)get_canvas_view()->hide_tables();
 497
 498         // Disable the time bar
 499         //get_canvas_view()->set_sensitive_timebar(false);
 500
 501         // Connect a signal
 502         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateCircle_Context::on_user_click));
 503         get_work_area()->set_cursor(Gdk::CROSSHAIR);
 504
 505         App::toolbox->refresh();
 506 }
 507
 508 void
 509 StateCircle_Context::refresh_tool_options()
 510 {
 511         App::dialog_tool_options->clear();
 512         App::dialog_tool_options->set_widget(options_table);
 513         App::dialog_tool_options->set_local_name(_("Circle Tool"));
 514         App::dialog_tool_options->set_name("circle");
 515 }
 516
 517 Smach::event_result
 518 StateCircle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 519 {
 520         refresh_tool_options();
 521         return Smach::RESULT_ACCEPT;
 522 }
 523
 524 StateCircle_Context::~StateCircle_Context()
 525 {
 526         save_settings();
 527
 528         // Restore layer clicking
 529         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 530         get_work_area()->reset_cursor();
 531
 532         App::dialog_tool_options->clear();
 533
 534         // Enable the time bar
 535         //get_canvas_view()->set_sensitive_timebar(true);
 536
 537         // Bring back the tables if they were out before
 538         //if(prev_table_status)get_canvas_view()->show_tables();
 539
 540         // Refresh the work area
 541         get_work_area()->queue_draw();
 542
 543         get_canvas_view()->queue_rebuild_ducks();
 544
 545         App::toolbox->refresh();
 546 }
 547
 548 Smach::event_result
 549 StateCircle_Context::event_stop_handler(const Smach::event& /*x*/)
 550 {
 551         //throw Smach::egress_exception();
 552         throw &state_normal;
 553         return Smach::RESULT_OK;
 554 }
 555
 556 Smach::event_result
 557 StateCircle_Context::event_refresh_handler(const Smach::event& /*x*/)
 558 {
 559         refresh_ducks();
 560         return Smach::RESULT_ACCEPT;
 561 }
 562
 563 void
 564 StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
 565 {
 566         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
 567         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 568
 569         Layer::Handle layer;
 570
 571         Canvas::Handle canvas;
 572         int depth(0);
 573
 574         // we are temporarily using the layer to hold something
 575         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 576         if(layer)
 577         {
 578                 depth=layer->get_depth();
 579                 canvas=layer->get_canvas();
 580         }
 581
 582         synfigapp::SelectionManager::LayerList layer_selection;
 583         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 584                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 585
 586         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 587         const Point p1(transform.unperform(_p1));
 588         const Point p2(transform.unperform(_p2));
 589
 590         Real radius((p2-p1).mag());
 591         int points = get_number_of_bline_points();
 592         Angle::deg offset(get_bline_point_angle_offset());
 593         Angle::deg angle(360.0/points);
 594         Real tangent(4 * ((points == 2)
 595                                           ? 1
 596                                           : ((2 * Angle::cos(angle/2).get() - Angle::cos(angle).get() - 1) / Angle::sin(angle).get())));
 597         Vector origin;
 598         Real x, y;
 599
 600         if (get_layer_origins_at_center_flag())
 601         {
 602                 x = y = 0;
 603                 origin = p1;
 604         }
 605         else
 606         {
 607                 x = p1[0];
 608                 y = p1[1];
 609         }
 610
 611         std::vector<BLinePoint> new_list;
 612         for (int i = 0; i < points; i++)
 613         {
 614                 new_list.push_back(*(new BLinePoint));
 615                 new_list[i].set_width(1);
 616                 new_list[i].set_vertex(Point(radius*Angle::cos(angle*i + offset).get() + x,
 617                                                                          radius*Angle::sin(angle*i + offset).get() + y));
 618                 new_list[i].set_tangent(Point(-radius*tangent*Angle::sin(angle*i + offset).get(),
 619                                                                            radius*tangent*Angle::cos(angle*i + offset).get()));
 620         }
 621
 622         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 623         assert(value_node_bline);
 624
 625         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(origin));
 626         assert(value_node_origin);
 627
 628         // Set the looping flag
 629         value_node_bline->set_loop(true);
 630
 631         if(!canvas)
 632                 canvas=get_canvas_view()->get_canvas();
 633
 634         value_node_bline->set_member_canvas(canvas);
 635
 636         // count how many layers we're going to be creating
 637         int layers_to_create = this->layers_to_create();
 638
 639         ///////////////////////////////////////////////////////////////////////////
 640         //   C I R C L E
 641         ///////////////////////////////////////////////////////////////////////////
 642
 643         if (get_layer_circle_flag() &&
 644                 get_falloff() >= 0 && get_falloff() < CIRCLE_NUM_FALLOFF)
 645         {
 646                 layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
 647                 if (!layer)
 648                 {
 649                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 650                         group.cancel();
 651                         return;
 652                 }
 653                 layer_selection.push_back(layer);
 654
 655                 layer->set_param("radius",(p2-p1).mag());
 656                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
 657
 658                 layer->set_param("falloff",get_falloff());
 659                 get_canvas_interface()->signal_layer_param_changed()(layer,"falloff");
 660
 661                 layer->set_param("feather",get_feather());
 662                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 663
 664                 layer->set_param("invert",get_invert());
 665                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 666
 667 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 668                 layer->set_param("blend_method",get_blend());
 669                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 670 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 671
 672                 layer->set_description(get_id());
 673                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 674
 675                 // only link the circle's origin parameter if the option is selected, we're putting bline
 676                 // origins at their centers, and we're creating more than one layer
 677                 if (get_layer_link_origins_flag() && get_layer_origins_at_center_flag() && layers_to_create > 1)
 678                 {
 679                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 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("origin")))
 686                                 synfig::error("LayerParamConnect didn't like \"param\"");
 687                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 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 Circle layer"));
 693                                 group.cancel();
 694                                 throw String(_("Unable to create Circle layer"));
 695                                 return;
 696                         }
 697                 }
 698                 else
 699                 {
 700                         layer->set_param("origin",p1);
 701                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 702                 }
 703         }
 704
 705         ///////////////////////////////////////////////////////////////////////////
 706         //   C U R V E   G R A D I E N T
 707         ///////////////////////////////////////////////////////////////////////////
 708
 709         if(get_layer_curve_gradient_flag())
 710         {
 711                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 712
 713                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 714                 if (!layer)
 715                 {
 716                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 717                         group.cancel();
 718                         return;
 719                 }
 720                 layer_selection.push_back(layer);
 721                 layer->set_description(get_id()+_(" Gradient"));
 722                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 723
 724 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 725                 layer->set_param("blend_method",get_blend());
 726                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 727 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 728
 729                 {
 730                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 731                         assert(action);
 732
 733                         action->set_param("canvas",get_canvas());
 734                         action->set_param("canvas_interface",get_canvas_interface());
 735                         action->set_param("layer",layer);
 736                         if(!action->set_param("param",String("bline")))
 737                                 synfig::error("LayerParamConnect didn't like \"param\"");
 738                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 739                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 740
 741                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 742                         {
 743                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 744                                 group.cancel();
 745                                 throw String(_("Unable to create Gradient layer"));
 746                                 return;
 747                         }
 748                 }
 749
 750                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 751                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 752                 {
 753                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 754                         assert(action);
 755
 756                         action->set_param("canvas",get_canvas());
 757                         action->set_param("canvas_interface",get_canvas_interface());
 758                         action->set_param("layer",layer);
 759                         if(!action->set_param("param",String("origin")))
 760                                 synfig::error("LayerParamConnect didn't like \"param\"");
 761                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 762                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 763
 764                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 765                         {
 766                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 767                                 group.cancel();
 768                                 throw String(_("Unable to create Gradient layer"));
 769                                 return;
 770                         }
 771                 }
 772                 else
 773                 {
 774                         layer->set_param("origin",origin);
 775                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 776                 }
 777         }
 778
 779         ///////////////////////////////////////////////////////////////////////////
 780         //   P L A N T
 781         ///////////////////////////////////////////////////////////////////////////
 782
 783         if(get_layer_plant_flag())
 784         {
 785                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 786
 787                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 788                 if (!layer)
 789                 {
 790                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 791                         group.cancel();
 792                         return;
 793                 }
 794                 layer_selection.push_back(layer);
 795                 layer->set_description(get_id()+_(" Plant"));
 796                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 797
 798 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 799                 layer->set_param("blend_method",get_blend());
 800                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 801 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 802
 803                 {
 804                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 805                         assert(action);
 806
 807                         action->set_param("canvas",get_canvas());
 808                         action->set_param("canvas_interface",get_canvas_interface());
 809                         action->set_param("layer",layer);
 810                         if(!action->set_param("param",String("bline")))
 811                                 synfig::error("LayerParamConnect didn't like \"param\"");
 812                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 813                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 814
 815                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 816                         {
 817                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 818                                 group.cancel();
 819                                 throw String(_("Unable to create Plant layer"));
 820                                 return;
 821                         }
 822                 }
 823
 824                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 825                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 826                 {
 827                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 828                         assert(action);
 829
 830                         action->set_param("canvas",get_canvas());
 831                         action->set_param("canvas_interface",get_canvas_interface());
 832                         action->set_param("layer",layer);
 833                         if(!action->set_param("param",String("origin")))
 834                                 synfig::error("LayerParamConnect didn't like \"param\"");
 835                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 836                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 837
 838                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 839                         {
 840                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 841                                 group.cancel();
 842                                 throw String(_("Unable to create Plant layer"));
 843                                 return;
 844                         }
 845                 }
 846                 else
 847                 {
 848                         layer->set_param("origin",origin);
 849                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 850                 }
 851         }
 852
 853         ///////////////////////////////////////////////////////////////////////////
 854         //   R E G I O N
 855         ///////////////////////////////////////////////////////////////////////////
 856
 857         if(get_layer_region_flag())
 858         {
 859                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 860
 861                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 862                 if (!layer)
 863                 {
 864                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 865                         group.cancel();
 866                         return;
 867                 }
 868                 layer_selection.push_back(layer);
 869                 layer->set_description(get_id()+_(" Region"));
 870                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 871
 872 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 873                 layer->set_param("blend_method",get_blend());
 874                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 875 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 876
 877                 layer->set_param("feather",get_feather());
 878                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 879
 880                 layer->set_param("invert",get_invert());
 881                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 882
 883                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 884                 // using 2 separate ones.
 885                 {
 886                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 887                         assert(action);
 888
 889                         action->set_param("canvas",get_canvas());
 890                         action->set_param("canvas_interface",get_canvas_interface());
 891                         action->set_param("layer",layer);
 892                         if(!action->set_param("param",String("bline")))
 893                                 synfig::error("LayerParamConnect didn't like \"param\"");
 894                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 895                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 896
 897                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 898                         {
 899                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 900                                 group.cancel();
 901                                 throw String(_("Unable to create Region layer"));
 902                                 return;
 903                         }
 904                 }
 905
 906                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 907                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 908                 {
 909                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 910                         assert(action);
 911
 912                         action->set_param("canvas",get_canvas());
 913                         action->set_param("canvas_interface",get_canvas_interface());
 914                         action->set_param("layer",layer);
 915                         if(!action->set_param("param",String("origin")))
 916                                 synfig::error("LayerParamConnect didn't like \"param\"");
 917                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 918                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 919
 920                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 921                         {
 922                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 923                                 group.cancel();
 924                                 throw String(_("Unable to create Region layer"));
 925                                 return;
 926                         }
 927                 }
 928                 else
 929                 {
 930                         layer->set_param("origin",origin);
 931                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 932                 }
 933         }
 934
 935         ///////////////////////////////////////////////////////////////////////////
 936         //   O U T L I N E
 937         ///////////////////////////////////////////////////////////////////////////
 938
 939         if (get_layer_outline_flag())
 940         {
 941                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 942                 if (!layer)
 943                 {
 944                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 945                         group.cancel();
 946                         return;
 947                 }
 948                 layer_selection.push_back(layer);
 949                 layer->set_description(get_id()+_(" Outline"));
 950                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 951
 952 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 953                 layer->set_param("blend_method",get_blend());
 954                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 955 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 956
 957                 layer->set_param("feather",get_feather());
 958                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 959
 960                 layer->set_param("invert",get_invert());
 961                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 962
 963                 {
 964                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 965                         assert(action);
 966
 967                         action->set_param("canvas",get_canvas());
 968                         action->set_param("canvas_interface",get_canvas_interface());
 969                         action->set_param("layer",layer);
 970                         if(!action->set_param("param",String("bline")))
 971                                 synfig::error("LayerParamConnect didn't like \"param\"");
 972                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 973                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 974
 975                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 976                         {
 977                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 978                                 group.cancel();
 979                                 throw String(_("Unable to create Outline layer"));
 980                                 return;
 981                         }
 982                 }
 983
 984                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 985                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 986                 {
 987                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 988                         assert(action);
 989
 990                         action->set_param("canvas",get_canvas());
 991                         action->set_param("canvas_interface",get_canvas_interface());
 992                         action->set_param("layer",layer);
 993                         if(!action->set_param("param",String("origin")))
 994                                 synfig::error("LayerParamConnect didn't like \"param\"");
 995                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 996                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 997
 998                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 999                         {
1000                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
1001                                 group.cancel();
1002                                 throw String(_("Unable to create Outline layer"));
1003                                 return;
1004                         }
1005                 }
1006                 else
1007                 {
1008                         layer->set_param("origin",origin);
1009                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
1010                 }
1011         }
1012
1013         egress_on_selection_change=false;
1014         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
1015         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
1016         egress_on_selection_change=true;
1017
1018         reset();
1019         increment_id();
1020 }
1021
1022 Smach::event_result
1023 StateCircle_Context::event_mouse_click_handler(const Smach::event& x)
1024 {
1025         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
1026
1027         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
1028         {
1029                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
1030                 etl::handle<Duck> duck=new Duck();
1031                 duck->set_point(point_holder);
1032                 duck->set_name("p1");
1033                 duck->set_type(Duck::TYPE_POSITION);
1034                 duck->set_editable(false);
1035                 get_work_area()->add_duck(duck);
1036
1037                 point2_duck=new Duck();
1038                 point2_duck->set_point(Vector(0,0));
1039                 point2_duck->set_name("radius");
1040                 point2_duck->set_origin(duck);
1041                 point2_duck->set_radius(true);
1042                 point2_duck->set_scalar(-1);
1043                 point2_duck->set_type(Duck::TYPE_RADIUS);
1044                 point2_duck->set_hover(true);
1045                 get_work_area()->add_duck(point2_duck);
1046
1047                 return Smach::RESULT_ACCEPT;
1048         }
1049
1050         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
1051         {
1052                 if (!point2_duck) return Smach::RESULT_OK;
1053                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
1054                 get_work_area()->queue_draw();
1055                 return Smach::RESULT_ACCEPT;
1056         }
1057
1058         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
1059         {
1060                 Point point(get_work_area()->snap_point_to_grid(event.pos));
1061
1062                 if (App::restrict_radius_ducks)
1063                 {
1064                         if ((point[0] - point_holder[0]) < 0) point[0] = point_holder[0];
1065                         if ((point[1] - point_holder[1]) < 0) point[1] = point_holder[1];
1066                 }
1067
1068                 make_circle(point_holder, point);
1069                 get_work_area()->clear_ducks();
1070                 return Smach::RESULT_ACCEPT;
1071         }
1072
1073         return Smach::RESULT_OK;
1074 }
1075
1076
1077 void
1078 StateCircle_Context::refresh_ducks()
1079 {
1080         get_work_area()->clear_ducks();
1081         get_work_area()->queue_draw();
1082 }