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                 SETTINGS_LOCALE_SAFE_AND_BACKUP
 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                 SETTINGS_LOCALE_RESTORE
 320         }
 321         catch(...)
 322         {
 323                 synfig::warning("State Circle: Caught exception when attempting to load settings.");
 324         }
 325 }
 326
 327 void
 328 StateCircle_Context::save_settings()
 329 {
 330         try
 331         {
 332                 SETTINGS_LOCALE_SAFE_AND_BACKUP
 333                 settings.set_value("circle.id",get_id());
 334                 settings.set_value("circle.fallofftype",strprintf("%d",get_falloff()));
 335         #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 336                 settings.set_value("circle.blend",strprintf("%d",get_blend()));
 337         #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 338                 settings.set_value("circle.feather",strprintf("%f",(float)get_feather()));
 339                 settings.set_value("circle.number_of_bline_points",strprintf("%d",(int)(get_number_of_bline_points() + 0.5)));
 340                 settings.set_value("circle.bline_point_angle_offset",strprintf("%f",(float)get_bline_point_angle_offset()));
 341                 settings.set_value("circle.invert",get_invert()?"1":"0");
 342                 settings.set_value("circle.layer_circle",get_layer_circle_flag()?"1":"0");
 343                 settings.set_value("circle.layer_outline",get_layer_outline_flag()?"1":"0");
 344                 settings.set_value("circle.layer_region",get_layer_region_flag()?"1":"0");
 345                 settings.set_value("circle.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
 346                 settings.set_value("circle.layer_plant",get_layer_plant_flag()?"1":"0");
 347                 settings.set_value("circle.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
 348                 settings.set_value("circle.layer_origins_at_center",get_layer_origins_at_center_flag()?"1":"0");
 349                 SETTINGS_LOCALE_RESTORE
 350         }
 351         catch(...)
 352         {
 353                 synfig::warning("State Circle: Caught exception when attempting to save settings.");
 354         }
 355 }
 356
 357 void
 358 StateCircle_Context::reset()
 359 {
 360         refresh_ducks();
 361 }
 362
 363 void
 364 StateCircle_Context::increment_id()
 365 {
 366         String id(get_id());
 367         int number=1;
 368         int digits=0;
 369
 370         if(id.empty())
 371                 id="Circle";
 372
 373         // If there is a number
 374         // already at the end of the
 375         // id, then remove it.
 376         if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
 377         {
 378                 // figure out how many digits it is
 379                 for (digits = 0;
 380                          (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
 381                          digits++)
 382                         ;
 383
 384                 String str_number;
 385                 str_number=String(id,id.size()-digits,id.size());
 386                 id=String(id,0,id.size()-digits);
 387
 388                 number=atoi(str_number.c_str());
 389         }
 390         else
 391         {
 392                 number=1;
 393                 digits=3;
 394         }
 395
 396         number++;
 397
 398         // Add the number back onto the id
 399         {
 400                 const String format(strprintf("%%0%dd",digits));
 401                 id+=strprintf(format.c_str(),number);
 402         }
 403
 404         // Set the ID
 405         set_id(id);
 406 }
 407
 408 StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
 409         canvas_view_(canvas_view),
 410         is_working(*canvas_view),
 411         duckmatic_push(get_work_area()),
 412         prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
 413         settings(synfigapp::Main::get_selected_input_device()->settings()),
 414         entry_id(),                             //   value lower upper  step page
 415         adj_feather(                                    0,    0,    1, 0.01, 0.1),
 416         adj_number_of_bline_points(             0,    2,  120, 1   , 1  ),
 417         adj_bline_point_angle_offset(   0, -360,  360, 0.1 , 1  ),
 418         spin_feather(adj_feather,0.1,3),
 419         spin_number_of_bline_points(adj_number_of_bline_points,1,0),
 420         spin_bline_point_angle_offset(adj_bline_point_angle_offset,1,1),
 421         checkbutton_invert(_("Invert")),
 422         checkbutton_layer_circle(_("Create Circle Layer")),
 423         checkbutton_layer_region(_("Create Region BLine")),
 424         checkbutton_layer_outline(_("Create Outline BLine")),
 425         checkbutton_layer_curve_gradient(_("Create Curve Gradient BLine")),
 426         checkbutton_layer_plant(_("Create Plant BLine")),
 427         checkbutton_layer_link_origins(_("Link Origins")),
 428         checkbutton_layer_origins_at_center(_("BLine Origins at Center"))
 429 {
 430         egress_on_selection_change=true;
 431
 432         // Set up the tool options dialog
 433         enum_falloff.set_param_desc(ParamDesc("falloff")
 434                 .set_local_name(_("Falloff"))
 435                 .set_description(_("Determines the falloff function for the feather"))
 436                 .set_hint("enum")
 437                 .add_enum_value(CIRCLE_INTERPOLATION_LINEAR,"linear",_("Linear"))
 438                 .add_enum_value(CIRCLE_SQUARED,"squared",_("Squared"))
 439                 .add_enum_value(CIRCLE_SQRT,"sqrt",_("Square Root"))
 440                 .add_enum_value(CIRCLE_SIGMOND,"sigmond",_("Sigmond"))
 441                 .add_enum_value(CIRCLE_COSINE,"cosine",_("Cosine")));
 442
 443 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 444         enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
 445                 .set_local_name(_("Blend Method"))
 446                 .set_description(_("Defines the blend method to be used for circles")));
 447 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 448
 449         load_settings();
 450
 451         options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))),         0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 452         options_table.attach(entry_id,                                                                          0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 453
 454         options_table.attach(checkbutton_layer_circle,                                          0, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 455         options_table.attach(checkbutton_layer_outline,                                         0, 2,  3,  4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 456         options_table.attach(checkbutton_layer_region,                                          0, 2,  4,  5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 457         options_table.attach(checkbutton_layer_plant,                                           0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 458         options_table.attach(checkbutton_layer_curve_gradient,                          0, 2,  6,  7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 459         options_table.attach(checkbutton_layer_link_origins,                            0, 2,  7,  8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 460         options_table.attach(checkbutton_layer_origins_at_center,                       0, 2,  8,  9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 461
 462         //invert flag
 463         options_table.attach(checkbutton_invert,                                                0, 2,  9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 464
 465         options_table.attach(*manage(new Gtk::Label(_("Falloff:"))),            0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 466         options_table.attach(enum_falloff,                                      1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 467
 468         //feather stuff
 469         options_table.attach(*manage(new Gtk::Label(_("Feather:"))),            0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 470         options_table.attach(spin_feather,                                                              1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 471
 472 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 473         options_table.attach(enum_blend,                                        0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 474 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 475
 476         options_table.attach(*manage(new Gtk::Label(_("BLine Points:"))),       0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 477         options_table.attach(spin_number_of_bline_points,                                       1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 478
 479 options_table.attach(*manage(new Gtk::Label(_("Point Angle Offset:"))), 0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 480         options_table.attach(spin_bline_point_angle_offset,                                     1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 481
 482         options_table.show_all();
 483
 484         refresh_tool_options();
 485         App::dialog_tool_options->present();
 486
 487         // Turn off layer clicking
 488         get_work_area()->set_allow_layer_clicks(false);
 489
 490         // clear out the ducks
 491         get_work_area()->clear_ducks();
 492
 493         // Refresh the work area
 494         get_work_area()->queue_draw();
 495
 496         // Hide the tables if they are showing
 497         //prev_table_status=get_canvas_view()->tables_are_visible();
 498         //if(prev_table_status)get_canvas_view()->hide_tables();
 499
 500         // Disable the time bar
 501         //get_canvas_view()->set_sensitive_timebar(false);
 502
 503         // Connect a signal
 504         //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateCircle_Context::on_user_click));
 505         get_work_area()->set_cursor(Gdk::CROSSHAIR);
 506
 507         App::toolbox->refresh();
 508 }
 509
 510 void
 511 StateCircle_Context::refresh_tool_options()
 512 {
 513         App::dialog_tool_options->clear();
 514         App::dialog_tool_options->set_widget(options_table);
 515         App::dialog_tool_options->set_local_name(_("Circle Tool"));
 516         App::dialog_tool_options->set_name("circle");
 517 }
 518
 519 Smach::event_result
 520 StateCircle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
 521 {
 522         refresh_tool_options();
 523         return Smach::RESULT_ACCEPT;
 524 }
 525
 526 StateCircle_Context::~StateCircle_Context()
 527 {
 528         save_settings();
 529
 530         // Restore layer clicking
 531         get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
 532         get_work_area()->reset_cursor();
 533
 534         App::dialog_tool_options->clear();
 535
 536         // Enable the time bar
 537         //get_canvas_view()->set_sensitive_timebar(true);
 538
 539         // Bring back the tables if they were out before
 540         //if(prev_table_status)get_canvas_view()->show_tables();
 541
 542         // Refresh the work area
 543         get_work_area()->queue_draw();
 544
 545         get_canvas_view()->queue_rebuild_ducks();
 546
 547         App::toolbox->refresh();
 548 }
 549
 550 Smach::event_result
 551 StateCircle_Context::event_stop_handler(const Smach::event& /*x*/)
 552 {
 553         //throw Smach::egress_exception();
 554         throw &state_normal;
 555         return Smach::RESULT_OK;
 556 }
 557
 558 Smach::event_result
 559 StateCircle_Context::event_refresh_handler(const Smach::event& /*x*/)
 560 {
 561         refresh_ducks();
 562         return Smach::RESULT_ACCEPT;
 563 }
 564
 565 void
 566 StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
 567 {
 568         synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
 569         synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 570
 571         Layer::Handle layer;
 572
 573         Canvas::Handle canvas;
 574         int depth(0);
 575
 576         // we are temporarily using the layer to hold something
 577         layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
 578         if(layer)
 579         {
 580                 depth=layer->get_depth();
 581                 canvas=layer->get_canvas();
 582         }
 583
 584         synfigapp::SelectionManager::LayerList layer_selection;
 585         if (!getenv("SYNFIG_TOOLS_CLEAR_SELECTION"))
 586                 layer_selection = get_canvas_view()->get_selection_manager()->get_selected_layers();
 587
 588         const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
 589         const Point p1(transform.unperform(_p1));
 590         const Point p2(transform.unperform(_p2));
 591
 592         Real radius((p2-p1).mag());
 593         int points = get_number_of_bline_points();
 594         Angle::deg offset(get_bline_point_angle_offset());
 595         Angle::deg angle(360.0/points);
 596         Real tangent(4 * ((points == 2)
 597                                           ? 1
 598                                           : ((2 * Angle::cos(angle/2).get() - Angle::cos(angle).get() - 1) / Angle::sin(angle).get())));
 599         Vector origin;
 600         Real x, y;
 601
 602         if (get_layer_origins_at_center_flag())
 603         {
 604                 x = y = 0;
 605                 origin = p1;
 606         }
 607         else
 608         {
 609                 x = p1[0];
 610                 y = p1[1];
 611         }
 612
 613         std::vector<BLinePoint> new_list;
 614         for (int i = 0; i < points; i++)
 615         {
 616                 new_list.push_back(*(new BLinePoint));
 617                 new_list[i].set_width(1);
 618                 new_list[i].set_vertex(Point(radius*Angle::cos(angle*i + offset).get() + x,
 619                                                                          radius*Angle::sin(angle*i + offset).get() + y));
 620                 new_list[i].set_tangent(Point(-radius*tangent*Angle::sin(angle*i + offset).get(),
 621                                                                            radius*tangent*Angle::cos(angle*i + offset).get()));
 622         }
 623
 624         ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
 625         assert(value_node_bline);
 626
 627         ValueNode_Const::Handle value_node_origin(ValueNode_Const::create(origin));
 628         assert(value_node_origin);
 629
 630         // Set the looping flag
 631         value_node_bline->set_loop(true);
 632
 633         if(!canvas)
 634                 canvas=get_canvas_view()->get_canvas();
 635
 636         value_node_bline->set_member_canvas(canvas);
 637
 638         // count how many layers we're going to be creating
 639         int layers_to_create = this->layers_to_create();
 640
 641         ///////////////////////////////////////////////////////////////////////////
 642         //   C I R C L E
 643         ///////////////////////////////////////////////////////////////////////////
 644
 645         if (get_layer_circle_flag() &&
 646                 get_falloff() >= 0 && get_falloff() < CIRCLE_NUM_FALLOFF)
 647         {
 648                 layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
 649                 if (!layer)
 650                 {
 651                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 652                         group.cancel();
 653                         return;
 654                 }
 655                 layer_selection.push_back(layer);
 656
 657                 layer->set_param("radius",(p2-p1).mag());
 658                 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
 659
 660                 layer->set_param("falloff",get_falloff());
 661                 get_canvas_interface()->signal_layer_param_changed()(layer,"falloff");
 662
 663                 layer->set_param("feather",get_feather());
 664                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 665
 666                 layer->set_param("invert",get_invert());
 667                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 668
 669 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 670                 layer->set_param("blend_method",get_blend());
 671                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 672 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 673
 674                 layer->set_description(get_id());
 675                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 676
 677                 // only link the circle's origin parameter if the option is selected, we're putting bline
 678                 // origins at their centers, and we're creating more than one layer
 679                 if (get_layer_link_origins_flag() && get_layer_origins_at_center_flag() && layers_to_create > 1)
 680                 {
 681                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 682                         assert(action);
 683
 684                         action->set_param("canvas",get_canvas());
 685                         action->set_param("canvas_interface",get_canvas_interface());
 686                         action->set_param("layer",layer);
 687                         if(!action->set_param("param",String("origin")))
 688                                 synfig::error("LayerParamConnect didn't like \"param\"");
 689                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 690                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 691
 692                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 693                         {
 694                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Circle layer"));
 695                                 group.cancel();
 696                                 throw String(_("Unable to create Circle layer"));
 697                                 return;
 698                         }
 699                 }
 700                 else
 701                 {
 702                         layer->set_param("origin",p1);
 703                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 704                 }
 705         }
 706
 707         ///////////////////////////////////////////////////////////////////////////
 708         //   C U R V E   G R A D I E N T
 709         ///////////////////////////////////////////////////////////////////////////
 710
 711         if(get_layer_curve_gradient_flag())
 712         {
 713                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 714
 715                 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
 716                 if (!layer)
 717                 {
 718                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 719                         group.cancel();
 720                         return;
 721                 }
 722                 layer_selection.push_back(layer);
 723                 layer->set_description(get_id()+_(" Gradient"));
 724                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 725
 726 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 727                 layer->set_param("blend_method",get_blend());
 728                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 729 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 730
 731                 {
 732                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 733                         assert(action);
 734
 735                         action->set_param("canvas",get_canvas());
 736                         action->set_param("canvas_interface",get_canvas_interface());
 737                         action->set_param("layer",layer);
 738                         if(!action->set_param("param",String("bline")))
 739                                 synfig::error("LayerParamConnect didn't like \"param\"");
 740                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 741                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 742
 743                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 744                         {
 745                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 746                                 group.cancel();
 747                                 throw String(_("Unable to create Gradient layer"));
 748                                 return;
 749                         }
 750                 }
 751
 752                 // only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
 753                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 754                 {
 755                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 756                         assert(action);
 757
 758                         action->set_param("canvas",get_canvas());
 759                         action->set_param("canvas_interface",get_canvas_interface());
 760                         action->set_param("layer",layer);
 761                         if(!action->set_param("param",String("origin")))
 762                                 synfig::error("LayerParamConnect didn't like \"param\"");
 763                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 764                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 765
 766                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 767                         {
 768                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 769                                 group.cancel();
 770                                 throw String(_("Unable to create Gradient layer"));
 771                                 return;
 772                         }
 773                 }
 774                 else
 775                 {
 776                         layer->set_param("origin",origin);
 777                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 778                 }
 779         }
 780
 781         ///////////////////////////////////////////////////////////////////////////
 782         //   P L A N T
 783         ///////////////////////////////////////////////////////////////////////////
 784
 785         if(get_layer_plant_flag())
 786         {
 787                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 788
 789                 Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
 790                 if (!layer)
 791                 {
 792                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 793                         group.cancel();
 794                         return;
 795                 }
 796                 layer_selection.push_back(layer);
 797                 layer->set_description(get_id()+_(" Plant"));
 798                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 799
 800 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 801                 layer->set_param("blend_method",get_blend());
 802                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 803 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 804
 805                 {
 806                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 807                         assert(action);
 808
 809                         action->set_param("canvas",get_canvas());
 810                         action->set_param("canvas_interface",get_canvas_interface());
 811                         action->set_param("layer",layer);
 812                         if(!action->set_param("param",String("bline")))
 813                                 synfig::error("LayerParamConnect didn't like \"param\"");
 814                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 815                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 816
 817                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 818                         {
 819                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 820                                 group.cancel();
 821                                 throw String(_("Unable to create Plant layer"));
 822                                 return;
 823                         }
 824                 }
 825
 826                 // only link the plant's origin parameter if the option is selected and we're creating more than one layer
 827                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 828                 {
 829                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 830                         assert(action);
 831
 832                         action->set_param("canvas",get_canvas());
 833                         action->set_param("canvas_interface",get_canvas_interface());
 834                         action->set_param("layer",layer);
 835                         if(!action->set_param("param",String("origin")))
 836                                 synfig::error("LayerParamConnect didn't like \"param\"");
 837                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 838                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 839
 840                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 841                         {
 842                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 843                                 group.cancel();
 844                                 throw String(_("Unable to create Plant layer"));
 845                                 return;
 846                         }
 847                 }
 848                 else
 849                 {
 850                         layer->set_param("origin",origin);
 851                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 852                 }
 853         }
 854
 855         ///////////////////////////////////////////////////////////////////////////
 856         //   R E G I O N
 857         ///////////////////////////////////////////////////////////////////////////
 858
 859         if(get_layer_region_flag())
 860         {
 861                 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
 862
 863                 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
 864                 if (!layer)
 865                 {
 866                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 867                         group.cancel();
 868                         return;
 869                 }
 870                 layer_selection.push_back(layer);
 871                 layer->set_description(get_id()+_(" Region"));
 872                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 873
 874 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 875                 layer->set_param("blend_method",get_blend());
 876                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 877 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 878
 879                 layer->set_param("feather",get_feather());
 880                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 881
 882                 layer->set_param("invert",get_invert());
 883                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 884
 885                 // I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
 886                 // using 2 separate ones.
 887                 {
 888                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 889                         assert(action);
 890
 891                         action->set_param("canvas",get_canvas());
 892                         action->set_param("canvas_interface",get_canvas_interface());
 893                         action->set_param("layer",layer);
 894                         if(!action->set_param("param",String("bline")))
 895                                 synfig::error("LayerParamConnect didn't like \"param\"");
 896                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 897                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 898
 899                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 900                         {
 901                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 902                                 group.cancel();
 903                                 throw String(_("Unable to create Region layer"));
 904                                 return;
 905                         }
 906                 }
 907
 908                 // only link the region's origin parameter if the option is selected and we're creating more than one layer
 909                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 910                 {
 911                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 912                         assert(action);
 913
 914                         action->set_param("canvas",get_canvas());
 915                         action->set_param("canvas_interface",get_canvas_interface());
 916                         action->set_param("layer",layer);
 917                         if(!action->set_param("param",String("origin")))
 918                                 synfig::error("LayerParamConnect didn't like \"param\"");
 919                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 920                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 921
 922                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 923                         {
 924                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
 925                                 group.cancel();
 926                                 throw String(_("Unable to create Region layer"));
 927                                 return;
 928                         }
 929                 }
 930                 else
 931                 {
 932                         layer->set_param("origin",origin);
 933                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
 934                 }
 935         }
 936
 937         ///////////////////////////////////////////////////////////////////////////
 938         //   O U T L I N E
 939         ///////////////////////////////////////////////////////////////////////////
 940
 941         if (get_layer_outline_flag())
 942         {
 943                 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
 944                 if (!layer)
 945                 {
 946                         get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
 947                         group.cancel();
 948                         return;
 949                 }
 950                 layer_selection.push_back(layer);
 951                 layer->set_description(get_id()+_(" Outline"));
 952                 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
 953
 954 #ifdef BLEND_METHOD_IN_TOOL_OPTIONS
 955                 layer->set_param("blend_method",get_blend());
 956                 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
 957 #endif  // BLEND_METHOD_IN_TOOL_OPTIONS
 958
 959                 layer->set_param("feather",get_feather());
 960                 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
 961
 962                 layer->set_param("invert",get_invert());
 963                 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
 964
 965                 {
 966                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 967                         assert(action);
 968
 969                         action->set_param("canvas",get_canvas());
 970                         action->set_param("canvas_interface",get_canvas_interface());
 971                         action->set_param("layer",layer);
 972                         if(!action->set_param("param",String("bline")))
 973                                 synfig::error("LayerParamConnect didn't like \"param\"");
 974                         if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
 975                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 976
 977                         if(!get_canvas_interface()->get_instance()->perform_action(action))
 978                         {
 979                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
 980                                 group.cancel();
 981                                 throw String(_("Unable to create Outline layer"));
 982                                 return;
 983                         }
 984                 }
 985
 986                 // only link the outline's origin parameter if the option is selected and we're creating more than one layer
 987                 if (get_layer_link_origins_flag() && layers_to_create > 1)
 988                 {
 989                         synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
 990                         assert(action);
 991
 992                         action->set_param("canvas",get_canvas());
 993                         action->set_param("canvas_interface",get_canvas_interface());
 994                         action->set_param("layer",layer);
 995                         if(!action->set_param("param",String("origin")))
 996                                 synfig::error("LayerParamConnect didn't like \"param\"");
 997                         if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
 998                                 synfig::error("LayerParamConnect didn't like \"value_node\"");
 999
1000                         if(!get_canvas_interface()->get_instance()->perform_action(action))
1001                         {
1002                                 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
1003                                 group.cancel();
1004                                 throw String(_("Unable to create Outline layer"));
1005                                 return;
1006                         }
1007                 }
1008                 else
1009                 {
1010                         layer->set_param("origin",origin);
1011                         get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
1012                 }
1013         }
1014
1015         egress_on_selection_change=false;
1016         get_canvas_interface()->get_selection_manager()->clear_selected_layers();
1017         get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
1018         egress_on_selection_change=true;
1019
1020         reset();
1021         increment_id();
1022 }
1023
1024 Smach::event_result
1025 StateCircle_Context::event_mouse_click_handler(const Smach::event& x)
1026 {
1027         const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
1028
1029         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
1030         {
1031                 point_holder=get_work_area()->snap_point_to_grid(event.pos);
1032                 etl::handle<Duck> duck=new Duck();
1033                 duck->set_point(point_holder);
1034                 duck->set_name("p1");
1035                 duck->set_type(Duck::TYPE_POSITION);
1036                 duck->set_editable(false);
1037                 get_work_area()->add_duck(duck);
1038
1039                 point2_duck=new Duck();
1040                 point2_duck->set_point(Vector(0,0));
1041                 point2_duck->set_name("radius");
1042                 point2_duck->set_origin(duck);
1043                 point2_duck->set_radius(true);
1044                 point2_duck->set_scalar(-1);
1045                 point2_duck->set_type(Duck::TYPE_RADIUS);
1046                 point2_duck->set_hover(true);
1047                 get_work_area()->add_duck(point2_duck);
1048
1049                 return Smach::RESULT_ACCEPT;
1050         }
1051
1052         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
1053         {
1054                 if (!point2_duck) return Smach::RESULT_OK;
1055                 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
1056                 get_work_area()->queue_draw();
1057                 return Smach::RESULT_ACCEPT;
1058         }
1059
1060         if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
1061         {
1062                 Point point(get_work_area()->snap_point_to_grid(event.pos));
1063
1064                 if (App::restrict_radius_ducks)
1065                 {
1066                         if ((point[0] - point_holder[0]) < 0) point[0] = point_holder[0];
1067                         if ((point[1] - point_holder[1]) < 0) point[1] = point_holder[1];
1068                 }
1069
1070                 make_circle(point_holder, point);
1071                 get_work_area()->clear_ducks();
1072                 return Smach::RESULT_ACCEPT;
1073         }
1074
1075         return Smach::RESULT_OK;
1076 }
1077
1078
1079 void
1080 StateCircle_Context::refresh_ducks()
1081 {
1082         get_work_area()->clear_ducks();
1083         get_work_area()->queue_draw();
1084 }