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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file duckmatic.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31 #include <fstream>
  32 #include <iostream>
  33 #include <algorithm>
  34
  35 #include <ETL/hermite>
  36
  37 #include "duckmatic.h"
  38 #include <synfigapp/value_desc.h>
  39 #include <synfig/general.h>
  40 #include <synfig/paramdesc.h>
  41 #include <synfig/valuenode_timedswap.h>
  42 #include <synfig/valuenode_animated.h>
  43 #include <synfig/valuenode_composite.h>
  44 #include <synfig/valuenode_scale.h>
  45 #include <synfig/valuenode_bline.h>
  46
  47 #include <synfig/curve_helper.h>
  48
  49 #include <sigc++/retype_return.h>
  50 #include <sigc++/retype.h>
  51 #include <sigc++/hide.h>
  52 #include <sigc++/bind.h>
  53
  54 #include "canvasview.h"
  55
  56 #include "onemoment.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
  69 /* 0.33333333333333333 makes for nice short tangent handles,
  70    1.0 makes them draw as their real length */
  71 #define TANGENT_HANDLE_SCALE 0.33333333333333333
  72
  73 /* leave this alone or the bezier won't lie on top of the bline */
  74 #define TANGENT_BEZIER_SCALE 0.33333333333333333
  75
  76 /* === G L O B A L S ======================================================= */
  77
  78 /* === P R O C E D U R E S ================================================= */
  79
  80 /* === M E T H O D S ======================================================= */
  81
  82 /* === E N T R Y P O I N T ================================================= */
  83
  84 Duckmatic::Duckmatic():
  85         type_mask(Duck::TYPE_ALL-Duck::TYPE_WIDTH),
  86         grid_snap(false),
  87         guide_snap(false),
  88         grid_size(1.0/4.0,1.0/4.0),
  89         show_persistant_strokes(true)
  90 {
  91         axis_lock=false;
  92         drag_offset_=Point(0,0);
  93         clear_duck_dragger();
  94 }
  95
  96 Duckmatic::~Duckmatic()
  97 {
  98         clear_ducks();
  99         //synfig::info("Duckmatic::~Duckmatic(): Deleted. Duck Count=%d",Duck::duck_count);
 100 }
 101
 102 void
 103 Duckmatic::clear_ducks()
 104 {
 105         duck_data_share_map.clear();
 106         duck_map.clear();
 107
 108         //duck_list_.clear();
 109         bezier_list_.clear();
 110         stroke_list_.clear();
 111
 112         if(show_persistant_strokes)
 113                 stroke_list_=persistant_stroke_list_;
 114 }
 115
 116 //! Returns \a true if the given duck is currently selected
 117 bool
 118 Duckmatic::duck_is_selected(const etl::handle<Duck> &duck)const
 119 {
 120         return duck && selected_ducks.count(duck->get_guid());
 121 }
 122
 123 void
 124 Duckmatic::set_grid_size(const synfig::Vector &s)
 125 {
 126         if(grid_size!=s)
 127         {
 128                 grid_size=s;
 129                 signal_grid_changed();
 130         }
 131 }
 132
 133 void
 134 Duckmatic::set_grid_snap(bool x)
 135 {
 136         if(grid_snap!=x)
 137         {
 138                 grid_snap=x;
 139                 signal_grid_changed();
 140         }
 141 }
 142
 143 void
 144 Duckmatic::set_guide_snap(bool x)
 145 {
 146         if(guide_snap!=x)
 147         {
 148                 guide_snap=x;
 149                 signal_grid_changed();
 150         }
 151 }
 152
 153
 154
 155 Duckmatic::GuideList::iterator
 156 Duckmatic::find_guide_x(synfig::Point pos, float radius)
 157 {
 158         GuideList::iterator iter,best(guide_list_x_.end());
 159         float dist(radius);
 160         for(iter=guide_list_x_.begin();iter!=guide_list_x_.end();++iter)
 161         {
 162                 float amount(abs(*iter-pos[0]));
 163                 if(amount<dist)
 164                 {
 165                         dist=amount;
 166                         best=iter;
 167                 }
 168         }
 169         return best;
 170 }
 171
 172 Duckmatic::GuideList::iterator
 173 Duckmatic::find_guide_y(synfig::Point pos, float radius)
 174 {
 175         GuideList::iterator iter,best(guide_list_y_.end());
 176         float dist(radius);
 177         for(iter=guide_list_y_.begin();iter!=guide_list_y_.end();++iter)
 178         {
 179                 float amount(abs(*iter-pos[1]));
 180                 if(amount<=dist)
 181                 {
 182                         dist=amount;
 183                         best=iter;
 184                 }
 185         }
 186         return best;
 187 }
 188
 189 void
 190 Duckmatic::clear_selected_ducks()
 191 {
 192         selected_ducks.clear();
 193         signal_duck_selection_changed_();
 194 }
 195
 196 etl::handle<Duckmatic::Duck>
 197 Duckmatic::get_selected_duck()const
 198 {
 199         if(selected_ducks.empty() || duck_map.empty())
 200                 return 0;
 201         return duck_map.find(*selected_ducks.begin())->second;
 202 }
 203
 204 void
 205 Duckmatic::refresh_selected_ducks()
 206 {
 207 /*
 208         std::set<etl::handle<Duck> >::iterator iter;
 209         std::set<etl::handle<Duck> > new_set;
 210         if(duck_list().empty())
 211         {
 212                 selected_duck_list.clear();
 213                 signal_duck_selection_changed_();
 214                 return;
 215         }
 216
 217         for(iter=selected_duck_list.begin();iter!=selected_duck_list.end();++iter)
 218         {
 219                 etl::handle<Duck> similar(find_similar_duck(*iter));
 220                 if(similar)
 221                 {
 222                         new_set.insert(similar);
 223                 }
 224         }
 225         selected_duck_list=new_set;
 226 */
 227         GUIDSet old_set(selected_ducks);
 228         GUIDSet::const_iterator iter;
 229
 230         for(iter=old_set.begin();iter!=old_set.end();++iter)
 231         {
 232                 if(duck_map.count(*iter)==0)
 233                         selected_ducks.erase(*iter);
 234         }
 235
 236         signal_duck_selection_changed_();
 237 }
 238
 239 bool
 240 Duckmatic::is_duck_group_selectable(const etl::handle<Duck>& x)const
 241 {
 242         const Type type(get_type_mask());
 243
 244         if(( x->get_type() && (!(type & x->get_type())) ) )
 245         {
 246                 return false;
 247         }
 248         if(x->get_value_desc().parent_is_layer_param() && type & Duck::TYPE_POSITION)
 249         {
 250                 Layer::Handle layer(x->get_value_desc().get_layer());
 251                 String layer_name(layer->get_name());
 252                 if(
 253                         layer_name=="outline" ||
 254                         layer_name=="region" ||
 255                         layer_name=="polygon" ||
 256                         layer_name=="curve_gradient"
 257                 )
 258                         return false;
 259                 if(
 260                         (layer_name=="PasteCanvas"||
 261                         layer_name=="paste_canvas")
 262                         && !layer->get_param("children_lock").get(bool())
 263                 )
 264                         return false;
 265         }
 266         return true;
 267 }
 268
 269 void
 270 Duckmatic::select_all_ducks()
 271 {
 272         DuckMap::const_iterator iter;
 273         for(iter=duck_map.begin();iter!=duck_map.end();++iter)
 274                 if(is_duck_group_selectable(iter->second))
 275                         select_duck(iter->second);
 276 }
 277
 278 void
 279 Duckmatic::toggle_select_ducks_in_box(const synfig::Vector& tl,const synfig::Vector& br)
 280 {
 281         Vector vmin, vmax;
 282         vmin[0]=std::min(tl[0],br[0]);
 283         vmin[1]=std::min(tl[1],br[1]);
 284         vmax[0]=std::max(tl[0],br[0]);
 285         vmax[1]=std::max(tl[1],br[1]);
 286
 287         DuckMap::const_iterator iter;
 288         for(iter=duck_map.begin();iter!=duck_map.end();++iter)
 289         {
 290                 Point p(iter->second->get_trans_point());
 291                 if(p[0]<=vmax[0] && p[0]>=vmin[0] && p[1]<=vmax[1] && p[1]>=vmin[1] &&
 292                    is_duck_group_selectable(iter->second))
 293                         toggle_select_duck(iter->second);
 294         }
 295 }
 296
 297 void
 298 Duckmatic::select_ducks_in_box(const synfig::Vector& tl,const synfig::Vector& br)
 299 {
 300         Vector vmin, vmax;
 301         vmin[0]=std::min(tl[0],br[0]);
 302         vmin[1]=std::min(tl[1],br[1]);
 303         vmax[0]=std::max(tl[0],br[0]);
 304         vmax[1]=std::max(tl[1],br[1]);
 305
 306 //      Type type(get_type_mask());
 307
 308         DuckMap::const_iterator iter;
 309         for(iter=duck_map.begin();iter!=duck_map.end();++iter)
 310         {
 311                 Point p(iter->second->get_trans_point());
 312                 if(p[0]<=vmax[0] && p[0]>=vmin[0] && p[1]<=vmax[1] && p[1]>=vmin[1])
 313                 {
 314                         if(is_duck_group_selectable(iter->second))
 315                                 select_duck(iter->second);
 316                 }
 317         }
 318 }
 319
 320 int
 321 Duckmatic::count_selected_ducks()const
 322 {
 323         return selected_ducks.size();
 324 }
 325
 326 void
 327 Duckmatic::select_duck(const etl::handle<Duck> &duck)
 328 {
 329         if(duck)
 330         {
 331                 selected_ducks.insert(duck->get_guid());
 332                 signal_duck_selection_changed_();
 333         }
 334 }
 335
 336 DuckList
 337 Duckmatic::get_selected_ducks()const
 338 {
 339         DuckList ret;
 340         GUIDSet::const_iterator iter;
 341         const Type type(get_type_mask());
 342
 343         for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
 344         {
 345                 const DuckMap::const_iterator d_iter(duck_map.find(*iter));
 346
 347                 if(d_iter==duck_map.end())
 348                         continue;
 349
 350                 if(( d_iter->second->get_type() && (!(type & d_iter->second->get_type())) ) )
 351                         continue;
 352
 353                 ret.push_back(d_iter->second);
 354         }
 355         return ret;
 356 }
 357
 358 DuckList
 359 Duckmatic::get_duck_list()const
 360 {
 361         DuckList ret;
 362         DuckMap::const_iterator iter;
 363         for(iter=duck_map.begin();iter!=duck_map.end();++iter)
 364                 ret.push_back(iter->second);
 365         return ret;
 366 }
 367
 368 void
 369 Duckmatic::unselect_duck(const etl::handle<Duck> &duck)
 370 {
 371         if(duck && selected_ducks.count(duck->get_guid()))
 372         {
 373                 selected_ducks.erase(duck->get_guid());
 374                 signal_duck_selection_changed_();
 375         }
 376 }
 377
 378 void
 379 Duckmatic::toggle_select_duck(const etl::handle<Duck> &duck)
 380 {
 381         if(duck_is_selected(duck))
 382                 unselect_duck(duck);
 383         else
 384                 select_duck(duck);
 385 }
 386
 387
 388 void
 389 Duckmatic::translate_selected_ducks(const synfig::Vector& vector)
 390 {
 391         if(duck_dragger_)
 392                 duck_dragger_->duck_drag(this,vector);
 393 }
 394
 395 void
 396 Duckmatic::start_duck_drag(const synfig::Vector& offset)
 397 {
 398         if(duck_dragger_)
 399                 duck_dragger_->begin_duck_drag(this,offset);
 400
 401         //drag_offset_=offset;
 402         drag_offset_=find_duck(offset)->get_trans_point();
 403 }
 404
 405 bool
 406 Duckmatic::end_duck_drag()
 407 {
 408         if(duck_dragger_)
 409                 return duck_dragger_->end_duck_drag(this);
 410         return false;
 411 }
 412
 413 Point
 414 Duckmatic::snap_point_to_grid(const Point& x, float radius)const
 415 {
 416         Point ret(x);
 417
 418         GuideList::const_iterator guide_x,guide_y;
 419         bool has_guide_x(false), has_guide_y(false);
 420
 421         guide_x=find_guide_x(ret,radius);
 422         if(guide_x!=guide_list_x_.end())
 423                 has_guide_x=true;
 424
 425         guide_y=find_guide_y(ret,radius);
 426         if(guide_y!=guide_list_y_.end())
 427                 has_guide_y=true;
 428
 429         if(get_grid_snap())
 430         {
 431                 Point snap(
 432                         floor(ret[0]/get_grid_size()[0]+0.5)*get_grid_size()[0],
 433                         floor(ret[1]/get_grid_size()[1]+0.5)*get_grid_size()[1]
 434                 );
 435
 436                 if(abs(snap[0]-ret[0])<=radius && (!has_guide_x || abs(snap[0]-ret[0])<=abs(*guide_x-ret[0])))
 437                         ret[0]=snap[0],has_guide_x=false;
 438                 if(abs(snap[1]-ret[1])<=radius && (!has_guide_y || abs(snap[1]-ret[1])<=abs(*guide_y-ret[1])))
 439                         ret[1]=snap[1],has_guide_y=false;
 440         }
 441
 442         if(guide_snap)
 443         {
 444                 if(has_guide_x)
 445                         ret[0]=*guide_x;
 446                 if(has_guide_y)
 447                         ret[1]=*guide_y;
 448         }
 449
 450         if(axis_lock)
 451         {
 452                 ret-=drag_offset_;
 453                 if(abs(ret[0])<abs(ret[1]))
 454                         ret[0]=0;
 455                 else
 456                         ret[1]=0;
 457                 ret+=drag_offset_;
 458         }
 459
 460         return ret;
 461 }
 462
 463 void
 464 DuckDrag_Translate::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
 465 {
 466         last_translate_=Vector(0,0);
 467         {
 468                 drag_offset_=duckmatic->find_duck(offset)->get_trans_point();
 469
 470                 snap=Vector(0,0);
 471         }
 472
 473         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 474         DuckList::const_iterator iter;
 475
 476         positions.clear();
 477         for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
 478         {
 479                 Point p((*iter)->get_trans_point());
 480                 positions.push_back(p);
 481         }
 482 }
 483
 484 bool
 485 DuckDrag_Translate::end_duck_drag(Duckmatic* duckmatic)
 486 {
 487         if(last_translate_.mag()>0.0001)
 488         {
 489                 duckmatic->signal_edited_selected_ducks();
 490                 return true;
 491         }
 492         else
 493         {
 494                 duckmatic->signal_user_click_selected_ducks(0);
 495                 return false;
 496         }
 497 }
 498
 499 void
 500 DuckDrag_Translate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
 501 {
 502         const DuckList selected_ducks(duckmatic->get_selected_ducks());
 503         DuckList::const_iterator iter;
 504
 505         synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-drag_offset_);
 506         int i;
 507
 508         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 509         {
 510                 if((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION)continue;
 511                 (*iter)->set_trans_point(positions[i]+vect);
 512         }
 513         for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
 514         {
 515                 if((*iter)->get_type()==Duck::TYPE_VERTEX||(*iter)->get_type()==Duck::TYPE_POSITION)continue;
 516                 (*iter)->set_trans_point(positions[i]+vect);
 517         }
 518         last_translate_=vect;
 519 }
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530 void
 531 Duckmatic::signal_edited_selected_ducks()
 532 {
 533         const DuckList ducks(get_selected_ducks());
 534         DuckList::const_iterator iter;
 535
 536         synfig::GUIDSet old_set(selected_ducks);
 537
 538         // If we have more than 20 things to move, then display
 539         // something to explain that it may take a moment
 540         smart_ptr<OneMoment> wait; if(ducks.size()>20)wait.spawn();
 541
 542         // Go ahead and call everyone's signals
 543         for(iter=ducks.begin();iter!=ducks.end();++iter)
 544         {
 545                 if(!(*iter)->signal_edited()((*iter)->get_point()))
 546                 {
 547                         selected_ducks=old_set;
 548                         throw String("Bad edit");
 549                 }
 550         }
 551         selected_ducks=old_set;
 552 }
 553
 554 void
 555 Duckmatic::signal_user_click_selected_ducks(int button)
 556 {
 557         const DuckList ducks(get_selected_ducks());
 558         DuckList::const_iterator iter;
 559
 560         for(iter=ducks.begin();iter!=ducks.end();++iter)
 561         {
 562                 (*iter)->signal_user_click(button)();
 563         }
 564 }
 565
 566
 567
 568
 569
 570 void
 571 Duckmatic::add_duck(const etl::handle<Duck> &duck)
 572 {
 573         //if(!duck_map.count(duck->get_guid()))
 574         {
 575                 if(duck_data_share_map.count(duck->get_data_guid()))
 576                 {
 577                         duck->set_shared_point(duck_data_share_map[duck->get_data_guid()]);
 578                 }
 579                 else
 580                 {
 581                         etl::smart_ptr<synfig::Point> point(new Point(duck->get_point()));
 582                         duck->set_shared_point(point);
 583                         duck_data_share_map[duck->get_data_guid()]=point;
 584                 }
 585
 586                 duck_map.insert(duck);
 587         }
 588
 589         last_duck_guid=duck->get_guid();
 590 }
 591
 592 void
 593 Duckmatic::add_bezier(const etl::handle<Bezier> &bezier)
 594 {
 595         bezier_list_.push_back(bezier);
 596 }
 597
 598 void
 599 Duckmatic::add_stroke(etl::smart_ptr<std::list<synfig::Point> > stroke_point_list, const synfig::Color& color)
 600 {
 601         assert(stroke_point_list);
 602
 603         std::list<etl::handle<Stroke> >::iterator iter;
 604
 605         for(iter=stroke_list_.begin();iter!=stroke_list_.end();++iter)
 606         {
 607                 if((*iter)->stroke_data==stroke_point_list)
 608                         return;
 609         }
 610
 611         etl::handle<Stroke> stroke(new Stroke());
 612
 613         stroke->stroke_data=stroke_point_list;
 614         stroke->color=color;
 615
 616         stroke_list_.push_back(stroke);
 617 }
 618
 619 void
 620 Duckmatic::add_persistant_stroke(etl::smart_ptr<std::list<synfig::Point> > stroke_point_list, const synfig::Color& color)
 621 {
 622         add_stroke(stroke_point_list,color);
 623         persistant_stroke_list_.push_back(stroke_list_.back());
 624 }
 625
 626 void
 627 Duckmatic::clear_persistant_strokes()
 628 {
 629         persistant_stroke_list_.clear();
 630 }
 631
 632 void
 633 Duckmatic::set_show_persistant_strokes(bool x)
 634 {
 635         if(x!=show_persistant_strokes)
 636         {
 637                 show_persistant_strokes=x;
 638                 if(x)
 639                         stroke_list_=persistant_stroke_list_;
 640                 else
 641                         stroke_list_.clear();
 642         }
 643 }
 644
 645 void
 646 Duckmatic::erase_duck(const etl::handle<Duck> &duck)
 647 {
 648         duck_map.erase(duck->get_guid());
 649 }
 650
 651 etl::handle<Duckmatic::Duck>
 652 Duckmatic::find_similar_duck(etl::handle<Duck> duck)
 653 {
 654         DuckMap::const_iterator iter(duck_map.find(duck->get_guid()));
 655         if(iter!=duck_map.end())
 656                 return iter->second;
 657         return 0;
 658
 659 /*      std::list<handle<Duck> >::reverse_iterator iter;
 660
 661         for(iter=duck_list_.rbegin();iter!=duck_list_.rend();++iter)
 662         {
 663                 if(*iter!=duck && **iter==*duck)
 664                 {
 665                         //synfig::info("Found similar duck! (iter:%08x vs. duck:%08x)",iter->get(), duck.get());
 666                         return *iter;
 667                 }
 668         }
 669         return 0;
 670 */
 671 }
 672
 673 etl::handle<Duckmatic::Duck>
 674 Duckmatic::add_similar_duck(etl::handle<Duck> duck)
 675 {
 676         etl::handle<Duck> similar(find_similar_duck(duck));
 677         if(!similar)
 678         {
 679                 add_duck(duck);
 680                 return duck;
 681         }
 682         return similar;
 683 }
 684
 685 void
 686 Duckmatic::erase_bezier(const etl::handle<Bezier> &bezier)
 687 {
 688         std::list<handle<Bezier> >::iterator iter;
 689
 690         for(iter=bezier_list_.begin();iter!=bezier_list_.end();++iter)
 691         {
 692                 if(*iter==bezier)
 693                 {
 694                         bezier_list_.erase(iter);
 695                         return;
 696                 }
 697         }
 698         synfig::warning("Unable to find bezier to erase!");
 699 }
 700
 701 etl::handle<Duckmatic::Duck>
 702 Duckmatic::last_duck()const
 703 {
 704         DuckMap::const_iterator iter(duck_map.find(last_duck_guid));
 705         if(iter!=duck_map.end())
 706                 return iter->second;
 707         return 0;
 708 }
 709
 710 etl::handle<Duckmatic::Bezier>
 711 Duckmatic::last_bezier()const
 712 {
 713         return bezier_list_.back();
 714 }
 715
 716
 717 etl::handle<Duckmatic::Duck>
 718 Duckmatic::find_duck(synfig::Point point, synfig::Real radius, Duck::Type type)
 719 {
 720         if(radius==0)radius=10000000;
 721
 722         if(type==Duck::TYPE_DEFAULT)
 723                 type=get_type_mask();
 724
 725         Real closest(10000000);
 726         etl::handle<Duck> ret;
 727
 728         DuckMap::const_iterator iter;
 729
 730         for(iter=duck_map.begin();iter!=duck_map.end();++iter)
 731         {
 732                 const Duck::Handle& duck(iter->second);
 733
 734                 if(!duck->get_editable())
 735                         continue;
 736                 Real dist((duck->get_trans_point()-point).mag_squared());
 737
 738                 if(duck->get_type()&Duck::TYPE_VERTEX)
 739                         dist*=1.0001;
 740
 741                 if(dist<=closest && !( duck->get_type() && (!(type & duck->get_type())) ) )
 742                 {
 743                         {
 744                                 closest=dist;
 745                                 ret=duck;
 746                         }
 747                 }
 748         }
 749
 750         if(radius==0 || closest<radius*radius)
 751                 return ret;
 752
 753         return 0;
 754 }
 755
 756 etl::handle<Duckmatic::Bezier>
 757 Duckmatic::find_bezier(synfig::Point point, synfig::Real radius,float* location)
 758 {
 759         return find_bezier(point,radius,radius,location);
 760 }
 761
 762 etl::handle<Duckmatic::Bezier>
 763 Duckmatic::find_bezier(synfig::Point pos, synfig::Real scale, synfig::Real radius, float* location)
 764 {
 765         if(radius==0)radius=10000000;
 766         Real closest(10000000);
 767         etl::handle<Bezier> ret;
 768
 769         bezier<Point>   curve;
 770
 771         Real    d,step;
 772         float   time = 0;
 773         float   best_time = 0;
 774
 775         for(std::list<handle<Bezier> >::const_iterator iter=bezier_list().begin();iter!=bezier_list().end();++iter)
 776         {
 777                 curve[0] = (*iter)->p1->get_trans_point();
 778                 curve[1] = (*iter)->c1->get_trans_point();
 779                 curve[2] = (*iter)->c2->get_trans_point();
 780                 curve[3] = (*iter)->p2->get_trans_point();
 781                 curve.sync();
 782
 783 #if 0
 784                 // I don't know why this doesn't work
 785                 time=curve.find_closest(pos,6);
 786                 d=((curve(time)-pos).mag_squared());
 787
 788 #else
 789                 //set the step size based on the size of the picture
 790                 d = (curve[1] - curve[0]).mag() + (curve[2]-curve[1]).mag()     + (curve[3]-curve[2]).mag();
 791
 792                 step = d/(2*scale); //want to make the distance between lines happy
 793
 794                 step = max(step,0.01); //100 samples should be plenty
 795                 step = min(step,0.1); //10 is minimum
 796
 797                 d = find_closest(curve,pos,step,&closest,&time);
 798 #endif
 799
 800                 if(d < closest)
 801                 {
 802                         closest = d;
 803                         ret = *iter;
 804                         best_time=time;
 805                 }
 806         }
 807
 808         if(closest < radius*radius)
 809         {
 810                 if(location)
 811                         *location = best_time;  // We need to square-root this because we were dealing with squared distances
 812
 813                 return ret;
 814         }
 815
 816         return 0;
 817 }
 818
 819
 820
 821 bool
 822 Duckmatic::save_sketch(const synfig::String& filename)const
 823 {
 824         std::ofstream file(filename.c_str());
 825
 826         if(!file)return false;
 827
 828         file<<"SKETCH"<<endl;
 829
 830         std::list<etl::handle<Stroke> >::const_iterator iter;
 831
 832         for(iter=persistant_stroke_list_.begin();iter!=persistant_stroke_list_.end();++iter)
 833         {
 834                 file<<"C "
 835                         <<(*iter)->color.get_r()<<' '
 836                         <<(*iter)->color.get_g()<<' '
 837                         <<(*iter)->color.get_b()
 838                 <<endl;
 839                 std::list<synfig::Point>::const_iterator viter;
 840                 for(viter=(*iter)->stroke_data->begin();viter!=(*iter)->stroke_data->end();++viter)
 841                 {
 842                         file<<"V "
 843                                 <<(*viter)[0]<<' '
 844                                 <<(*viter)[1]
 845                         <<endl;
 846                 }
 847         }
 848         if(!file)return false;
 849         sketch_filename_=filename;
 850         signal_sketch_saved_();
 851         return true;
 852 }
 853
 854 bool
 855 Duckmatic::load_sketch(const synfig::String& filename)
 856 {
 857         std::ifstream file(filename.c_str());
 858
 859         if(!file)
 860                 return false;
 861
 862         std::string line;
 863         getline(file,line);
 864
 865         if(line!="SKETCH")
 866         {
 867                 synfig::error("Not a sketch");
 868                 return false;
 869         }
 870
 871
 872         etl::smart_ptr<std::list<synfig::Point> > stroke_data;
 873
 874         while(file)
 875         {
 876                 getline(file,line);
 877
 878                 if(line.empty())
 879                         continue;
 880
 881                 switch(line[0])
 882                 {
 883                 case 'C':
 884                 case 'c':
 885                         {
 886                                 stroke_data.spawn();
 887                                 float r,g,b;
 888                                 if(!strscanf(line,"C %f %f %f",&r, &g, &b))
 889                                 {
 890                                         synfig::warning("Bad color line \"%s\"",line.c_str());
 891                                         r=0;g=0;b=0;
 892                                 }
 893                                 add_persistant_stroke(stroke_data, synfig::Color(r,g,b));
 894                         }
 895                         break;
 896                 case 'V':
 897                 case 'v':
 898                         if(!stroke_data)
 899                         {
 900                                 stroke_data.spawn();
 901                                 add_persistant_stroke(stroke_data, synfig::Color(0,0,0));
 902                         }
 903                         float x,y;
 904                         if(!strscanf(line,"V %f %f",&x, &y))
 905                                 synfig::warning("Bad vertex \"%s\"",line.c_str());
 906                         else
 907                                 stroke_data->push_back(synfig::Vector(x,y));
 908                         break;
 909                 default:
 910                         synfig::warning("Unexpected sketch token '%c'",line[0]);
 911                         break;
 912                 }
 913         }
 914
 915         sketch_filename_=filename;
 916         return true;
 917 }
 918
 919
 920
 921
 922
 923
 924
 925
 926 Duckmatic::Push::Push(Duckmatic *duckmatic_):
 927         duckmatic_(duckmatic_)
 928 {
 929         duck_map=duckmatic_->duck_map;
 930         bezier_list_=duckmatic_->bezier_list_;
 931         duck_data_share_map=duckmatic_->duck_data_share_map;
 932         stroke_list_=duckmatic_->stroke_list_;
 933         duck_dragger_=duckmatic_->duck_dragger_;
 934         needs_restore=true;
 935 }
 936
 937 Duckmatic::Push::~Push()
 938 {
 939         if(needs_restore)
 940                 restore();
 941 }
 942
 943 void
 944 Duckmatic::Push::restore()
 945 {
 946         duckmatic_->duck_map=duck_map;
 947         duckmatic_->bezier_list_=bezier_list_;
 948         duckmatic_->duck_data_share_map=duck_data_share_map;
 949         duckmatic_->stroke_list_=stroke_list_;
 950         duckmatic_->duck_dragger_=duck_dragger_;
 951         needs_restore=false;
 952 }
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962 inline String guid_string(const synfigapp::ValueDesc& x)
 963 {
 964         if(x.parent_is_layer_param())
 965                 return strprintf("%s",x.get_layer()->get_guid().get_string().c_str())+x.get_param_name();
 966         //if(x.is_value_node())
 967                 return strprintf("%s",x.get_value_node()->get_guid().get_string().c_str());
 968 }
 969
 970 inline GUID calc_duck_guid(const synfigapp::ValueDesc& x,const synfig::TransformStack& transform_stack)
 971 {
 972         GUID ret(0);
 973
 974         if(x.parent_is_layer_param())
 975         {
 976                 ret=x.get_layer()->get_guid()^GUID::hasher(x.get_param_name());
 977         }
 978         else
 979         {
 980                 ret=x.get_value_node()->get_guid();
 981         }
 982
 983         ret^=transform_stack.get_guid();
 984         return ret;
 985 }
 986
 987 /*
 988 Duck::Handle
 989 Duckmatic::create_duck_from(const synfigapp::ValueDesc& value_desc,etl::handle<CanvasView> canvas_view, const synfig::TransformStack& transform_stack, int modifier, synfig::ParamDesc *param_desc)
 990 {
 991         GUID duck_guid(calc_duck_guid(value_desc,transform_stack)^GUID::hasher(modifier));
 992         etl::handle<Duck> duck=new Duck();
 993
 994         return duck;
 995 }
 996 */
 997
 998 bool
 999 Duckmatic::add_to_ducks(const synfigapp::ValueDesc& value_desc,etl::handle<CanvasView> canvas_view, const synfig::TransformStack& transform_stack, synfig::ParamDesc *param_desc, int multiple)
1000 {
1001         ValueBase::Type type=value_desc.get_value_type();
1002 #define REAL_COOKIE             reinterpret_cast<synfig::ParamDesc*>(28)
1003         switch(type)
1004         {
1005         case ValueBase::TYPE_REAL:
1006
1007                 if(!param_desc || param_desc==REAL_COOKIE || !param_desc->get_origin().empty())
1008                 {
1009                         etl::handle<Duck> duck=new Duck();
1010                         duck->set_transform_stack(transform_stack);
1011                         duck->set_radius(true);
1012                         duck->set_type(Duck::TYPE_RADIUS);
1013
1014                         duck->set_point(Point(value_desc.get_value(get_time()).get(Real()),0));
1015                         duck->set_name(guid_string(value_desc));
1016                         if(value_desc.is_value_node())
1017                         {
1018                                 // If the ValueNode can be directly manipulated,
1019                                 // then set it as so.
1020                                 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1021                         }
1022                         else
1023                         {
1024                                 duck->set_editable(true);
1025                         }
1026
1027                         if(param_desc && param_desc!=REAL_COOKIE)
1028                         {
1029                                 if(!param_desc->get_origin().empty())
1030                                 {
1031                                         synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1032                                         /*
1033                                         duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1034                                         */
1035                                         add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1036                                         duck->set_origin(last_duck());
1037                                 }
1038                                 duck->set_scalar(param_desc->get_scalar());
1039                         }
1040
1041                         duck->signal_edited().clear();
1042                         duck->signal_edited().connect(
1043                                 sigc::bind(
1044                                         sigc::mem_fun(
1045                                                 *canvas_view,
1046                                                 &studio::CanvasView::on_duck_changed
1047                                         ),
1048                                         value_desc
1049                                 )
1050                         );
1051                         duck->set_value_desc(value_desc);
1052
1053                         duck->signal_user_click(2).connect(
1054                                 sigc::bind(
1055                                         sigc::bind(
1056                                                 sigc::mem_fun(
1057                                                         *canvas_view,
1058                                                         &studio::CanvasView::popup_param_menu
1059                                                 ),
1060                                                 0.0f
1061                                         ),
1062                                         value_desc
1063                                 )
1064                         );
1065
1066                         duck->set_guid(calc_duck_guid(value_desc,transform_stack)^GUID::hasher(multiple));
1067
1068                         add_duck(duck);
1069
1070                         return true;
1071                 }
1072                 break;
1073
1074         case ValueBase::TYPE_ANGLE:
1075
1076                 if(!param_desc || param_desc==REAL_COOKIE || !param_desc->get_origin().empty())
1077                 {
1078                         etl::handle<Duck> duck=new Duck();
1079                         duck->set_type(Duck::TYPE_ANGLE);
1080                         duck->set_transform_stack(transform_stack);
1081                         synfig::Angle angle;
1082
1083                         angle=value_desc.get_value(get_time()).get(Angle());
1084                         duck->set_point(Point(Angle::cos(angle).get(),Angle::sin(angle).get()));
1085                         duck->set_name(guid_string(value_desc));
1086                         if(value_desc.is_value_node())
1087                         {
1088                                 ValueNode::Handle value_node=value_desc.get_value_node();
1089                                 //duck->set_name(strprintf("%x",value_node.get()));
1090
1091                                 // If the ValueNode can be directly manipulated,
1092                                 // then set it as so.
1093                                 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1094                         }
1095                         else
1096                         {
1097                                 //angle=(value_desc.get_value().get(Angle()));
1098                                 //duck->set_point(Point(Angle::cos(angle).get(),Angle::sin(angle).get()));
1099                                 //duck->set_name(strprintf("%x",value_desc.get_layer().get())+value_desc.get_param_name());
1100                                 duck->set_editable(true);
1101                         }
1102
1103                         if(param_desc && param_desc!=REAL_COOKIE)
1104                         {
1105                                 if(!param_desc->get_origin().empty())
1106                                 {
1107                                         synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1108                                         /*
1109                                         duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1110                                         */
1111                                         add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1112                                         duck->set_origin(last_duck());
1113                                 }
1114                                 duck->set_scalar(param_desc->get_scalar());
1115                         }
1116
1117                         duck->signal_edited().clear();
1118                         duck->signal_edited().connect(
1119                                 sigc::bind(
1120                                         sigc::mem_fun(
1121                                                 *canvas_view,
1122                                                 &studio::CanvasView::on_duck_changed
1123                                         ),
1124                                         value_desc
1125                                 )
1126                         );
1127                         duck->set_value_desc(value_desc);
1128
1129                         duck->signal_user_click(2).connect(
1130                                 sigc::bind(
1131                                         sigc::bind(
1132                                                 sigc::mem_fun(
1133                                                         *canvas_view,
1134                                                         &studio::CanvasView::popup_param_menu
1135                                                 ),
1136                                                 0.0f
1137                                         ),
1138                                         value_desc
1139                                 )
1140                         );
1141                         duck->set_guid(calc_duck_guid(value_desc,transform_stack)^GUID::hasher(multiple));
1142
1143                         add_duck(duck);
1144
1145                         return true;
1146                 }
1147                 break;
1148
1149         case ValueBase::TYPE_VECTOR:
1150                 {
1151                         etl::handle<Duck> duck=new Duck();
1152                         duck->set_transform_stack(transform_stack);
1153
1154                         duck->set_point(value_desc.get_value(get_time()).get(Point()));
1155                         duck->set_name(guid_string(value_desc));
1156                         if(value_desc.is_value_node())
1157                         {
1158                                 //duck->set_name(strprintf("%x",value_desc.get_value_node().get()));
1159
1160                                 // If the ValueNode can be directly manipulated,
1161                                 // then set it as so.
1162                                 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1163                         }
1164                         else
1165                         {
1166                                 //duck->set_point(value_desc.get_value().get(Point()));
1167                                 //duck->set_name(strprintf("%x",value_desc.get_layer().get())+value_desc.get_param_name());
1168                                 duck->set_editable(true);
1169                         }
1170
1171                         // If we were passed a parameter description
1172                         if(param_desc)
1173                         {
1174                                 if(!param_desc->get_connect().empty())
1175                                 {
1176                                         synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_connect());
1177                                         Duck::Handle connect_duck;
1178                                         if(duck_map.find(calc_duck_guid(value_desc_origin,transform_stack)^GUID::hasher(0))!=duck_map.end())
1179                                         {
1180                                                 connect_duck=duck_map[calc_duck_guid(value_desc_origin,transform_stack)^GUID::hasher(0)];
1181                                         }
1182                                         else
1183                                         {
1184                                                 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1185                                                 connect_duck=last_duck();
1186                                         }
1187                                         duck->set_connect_duck(connect_duck);
1188                                 }
1189                                 if(!param_desc->get_box().empty())
1190                                 {
1191                                         synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_box());
1192                                         add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1193                                         duck->set_box_duck(last_duck());
1194                                 }
1195
1196                                 // If we have an origin
1197                                 if(!param_desc->get_origin().empty())
1198                                 {
1199                                         synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1200                                         /*
1201                                         duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1202                                         */
1203                                         add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1204                                         duck->set_origin(last_duck());
1205                                         duck->set_type(Duck::TYPE_VERTEX);
1206                                 }
1207                                 else
1208                                         duck->set_type(Duck::TYPE_POSITION);
1209
1210                                 duck->set_scalar(param_desc->get_scalar());
1211                         }
1212                         else
1213                                 duck->set_type(Duck::TYPE_POSITION);
1214
1215
1216                         duck->signal_edited().clear();
1217                         duck->signal_edited().connect(
1218                                 sigc::bind(
1219                                         sigc::mem_fun(
1220                                                 *canvas_view,
1221                                                 &studio::CanvasView::on_duck_changed
1222                                         ),
1223                                         value_desc
1224                                 )
1225                         );
1226                         duck->set_value_desc(value_desc);
1227
1228                         duck->signal_user_click(2).connect(
1229                                 sigc::bind(
1230                                         sigc::bind(
1231                                                 sigc::mem_fun(
1232                                                         *canvas_view,
1233                                                         &studio::CanvasView::popup_param_menu
1234                                                 ),
1235                                                 1.0f
1236                                         ),
1237                                         value_desc
1238                                 )
1239                         );
1240                         duck->set_guid(calc_duck_guid(value_desc,transform_stack)^GUID::hasher(multiple));
1241                         add_duck(duck);
1242
1243                         return true;
1244                 }
1245                 break;
1246 /*      case ValueBase::TYPE_SEGMENT:
1247                 {
1248                         etl::handle<Bezier> bezier(new Bezier());
1249                         ValueNode_Composite::Handle value_node;
1250
1251                         if(value_desc.is_value_node() &&
1252                                 (value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
1253                         )
1254                         {
1255                                 if(!add_to_ducks(synfigapp::ValueDesc(value_node,0),canvas_view,transform_stack))
1256                                         return false;
1257                                 bezier->p1=last_duck();
1258                                 bezier->p1->set_type(Duck::TYPE_VERTEX);
1259                                 if(!add_to_ducks(synfigapp::ValueDesc(value_node,1),canvas_view,transform_stack))
1260                                         return false;
1261                                 bezier->c1=last_duck();
1262                                 bezier->c1->set_type(Duck::TYPE_TANGENT);
1263                                 bezier->c1->set_origin(bezier->p1);
1264                                 bezier->c1->set_scalar(TANGENT_BEZIER_SCALE);
1265                                 bezier->c1->set_tangent(true);
1266
1267
1268                                 if(!add_to_ducks(synfigapp::ValueDesc(value_node,2),canvas_view,transform_stack))
1269                                         return false;
1270                                 bezier->p2=last_duck();
1271                                 bezier->p2->set_type(Duck::TYPE_VERTEX);
1272                                 if(!add_to_ducks(synfigapp::ValueDesc(value_node,3),canvas_view,transform_stack))
1273                                         return false;
1274                                 bezier->c2=last_duck();
1275                                 bezier->c2->set_type(Duck::TYPE_TANGENT);
1276                                 bezier->c2->set_origin(bezier->p2);
1277                                 bezier->c2->set_scalar(-TANGENT_BEZIER_SCALE);
1278                                 bezier->c2->set_tangent(true);
1279
1280                                 bezier->signal_user_click(2).connect(
1281                                         sigc::bind(
1282                                                 sigc::mem_fun(
1283                                                         *canvas_view,
1284                                                         &studio::CanvasView::popup_param_menu_bezier
1285                                                 ),
1286                                                 value_desc
1287                                         )
1288                                 );
1289
1290                                 add_bezier(bezier);
1291                         }
1292                         else if(value_desc.get_value().is_valid())
1293                         {
1294                                 Segment segment=value_desc.get_value();
1295                                 etl::handle<Duck> duck_p,duck_c;
1296                                 synfig::String name;
1297                                 if(param_desc)
1298                                 {
1299                                         name=param_desc->get_local_name();
1300                                 }
1301                                 else
1302                                 {
1303                                         name=guid_string(value_desc);
1304                                 }
1305
1306                                 duck_p=new class Duck(segment.p1);
1307                                 duck_p->set_name(name+".P1");
1308                                 duck_p->set_type(Duck::TYPE_VERTEX);
1309                                 add_duck(duck_p);
1310
1311                                 duck_c=new class Duck(segment.t1);
1312                                 duck_c->set_name(name+".T1");
1313                                 duck_c->set_type(Duck::TYPE_TANGENT);
1314                                 add_duck(duck_c);
1315                                 duck_c->set_origin(duck_p);
1316                                 duck_c->set_scalar(TANGENT_HANDLE_SCALE);
1317                                 duck_c->set_tangent(true);
1318
1319                                 bezier->p1=duck_p;
1320                                 bezier->c1=duck_c;
1321
1322                                 duck_p=new class Duck(segment.p2);
1323                                 duck_p->set_name(name+".P2");
1324                                 duck_p->set_type(Duck::TYPE_VERTEX);
1325                                 add_duck(duck_p);
1326
1327                                 duck_c=new class Duck(segment.t2);
1328                                 duck_c->set_type(Duck::TYPE_TANGENT);
1329                                 duck_c->set_name(name+".T2");
1330                                 add_duck(duck_c);
1331                                 duck_c->set_origin(duck_p);
1332                                 duck_c->set_scalar(-TANGENT_HANDLE_SCALE);
1333                                 duck_c->set_tangent(true);
1334
1335                                 bezier->p2=duck_p;
1336                                 bezier->c2=duck_c;
1337                                 add_bezier(bezier);
1338                         }
1339
1340                         return true;
1341                 }
1342                 break;
1343 */
1344         case ValueBase::TYPE_BLINEPOINT:
1345         {
1346
1347                 if(value_desc.is_value_node() &&
1348                         ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())
1349                 )
1350                 {
1351                         ValueNode_Composite::Handle value_node;
1352                         value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node());
1353
1354
1355                         if(!add_to_ducks(synfigapp::ValueDesc(value_node,0),canvas_view,transform_stack))
1356                                 return false;
1357                         etl::handle<Duck> vertex_duck(last_duck());
1358                         vertex_duck->set_type(Duck::TYPE_VERTEX);
1359                         if(!add_to_ducks(synfigapp::ValueDesc(value_node,4),canvas_view,transform_stack))
1360                                 return false;
1361                         etl::handle<Duck> t1_duck(last_duck());
1362
1363                         t1_duck->set_origin(vertex_duck);
1364                         t1_duck->set_scalar(-TANGENT_HANDLE_SCALE);
1365                         t1_duck->set_tangent(true);
1366
1367                         etl::handle<Duck> t2_duck;
1368
1369                         // If the tangents are split
1370                         if((*value_node->get_link("split"))(get_time()).get(bool()))
1371                         {
1372                                 if(!add_to_ducks(synfigapp::ValueDesc(value_node,5),canvas_view,transform_stack))
1373                                         return false;
1374                                 t2_duck=last_duck();
1375                                 t2_duck->set_origin(vertex_duck);
1376                                 t2_duck->set_scalar(TANGENT_HANDLE_SCALE);
1377                                 t2_duck->set_tangent(true);
1378                         }
1379                         else
1380                         {
1381                                 if(!add_to_ducks(synfigapp::ValueDesc(value_node,4),canvas_view,transform_stack))
1382                                         return false;
1383                                 t2_duck=last_duck();
1384                                 t2_duck->set_origin(vertex_duck);
1385                                 t2_duck->set_scalar(TANGENT_HANDLE_SCALE);
1386                                 t2_duck->set_tangent(true);
1387                         }
1388                         return true;
1389                 }
1390
1391         }
1392         break;
1393         case ValueBase::TYPE_LIST:
1394         {
1395                 // Check for BLine
1396                 if(value_desc.is_value_node() &&
1397                         ValueNode_BLine::Handle::cast_dynamic(value_desc.get_value_node())
1398                 )
1399                 {
1400                         ValueNode_BLine::Handle value_node;
1401                         value_node=ValueNode_BLine::Handle::cast_dynamic(value_desc.get_value_node());
1402
1403                         int i,first=-1;
1404
1405                         etl::handle<Bezier> bezier;
1406                         etl::handle<Duck> first_duck;
1407                         etl::handle<Duck> duck, tduck;
1408
1409                         for(i=0;i<value_node->link_count();i++)
1410                         {
1411                                 float amount(value_node->list[i].amount_at_time(get_time()));
1412                                 if(amount<0.9999f)
1413                                         continue;
1414                                 if(first==-1)first=i;
1415
1416                                 BLinePoint bline_point((*value_node->get_link(i))(get_time()));
1417
1418                                 ValueNode_Composite::Handle vertex_value_node(
1419                                         ValueNode_Composite::Handle::cast_dynamic(
1420                                                 value_node->get_link(i)
1421                                         )
1422                                 );
1423
1424                                 // Add the vertex duck
1425                                 if(vertex_value_node)
1426                                 {
1427                                         if(add_to_ducks(synfigapp::ValueDesc(vertex_value_node,0),canvas_view,transform_stack))
1428                                         {
1429                                                 duck=last_duck();
1430                                                 if(i==first)
1431                                                         first_duck=duck;
1432                                                 duck->set_type(Duck::TYPE_VERTEX);
1433
1434                                                 duck->signal_user_click(2).clear();
1435                                                 duck->signal_user_click(2).connect(
1436                                                         sigc::bind(
1437                                                                 sigc::bind(
1438                                                                         sigc::mem_fun(
1439                                                                                 *canvas_view,
1440                                                                                 &studio::CanvasView::popup_param_menu
1441                                                                         ),
1442                                                                         1.0f
1443                                                                 ),
1444                                                                 synfigapp::ValueDesc(value_node,i)
1445                                                         )
1446                                                 );
1447                                                 duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1448
1449                                                 if(param_desc)
1450                                                 {
1451                                                         if(!param_desc->get_origin().empty())
1452                                                         {
1453                                                                 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1454                                                                 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1455                                                                 duck->set_origin(last_duck());
1456 /*
1457                                                                 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1458                                                                 if(value.same_type_as(synfig::Point()))
1459                                                                         duck->set_origin(value.get(synfig::Point()));
1460 */
1461                                                         }
1462                                                 }
1463                                         }
1464                                         else
1465                                                 return false;
1466                                 }
1467                                 else
1468                                 {
1469                                         duck=new Duck(bline_point.get_vertex());
1470                                         if(i==first)
1471                                                 first_duck=duck;
1472                                         duck->set_transform_stack(transform_stack);
1473                                         duck->set_editable(false);
1474                                         //duck->set_name(strprintf("%x-vertex",value_node->get_link(i).get()));
1475                                         duck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".v");
1476
1477                                         duck->set_type(Duck::TYPE_VERTEX);
1478                                         if(param_desc)
1479                                         {
1480                                                 if(!param_desc->get_origin().empty())
1481                                                 {
1482                                                                 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1483                                                                 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1484                                                                 duck->set_origin(last_duck());
1485 /*
1486                                                                 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1487                                                                 if(value.same_type_as(synfig::Point()))
1488                                                                         duck->set_origin(value.get(synfig::Point()));
1489 */
1490                                                 }
1491                                         }
1492                                         duck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^GUID::hasher(".v"));
1493                                         duck=add_similar_duck(duck);
1494 //                                      add_duck(duck);
1495                                 }
1496
1497                                 // Add the width duck only if we have a hint of scale
1498                                 if(param_desc && !param_desc->get_hint().empty())
1499                                 {
1500                                         etl::handle<Duck> width;
1501                                         if(add_to_ducks(synfigapp::ValueDesc(vertex_value_node,1),canvas_view,transform_stack,REAL_COOKIE))
1502                                         {
1503                                                 width=last_duck();
1504                                                 width->set_origin(duck);
1505                                                 width->set_type(Duck::TYPE_WIDTH);
1506                                                 width->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".w");
1507                                                 {
1508                                                         ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_hint()).get_value(get_time()));
1509                                                         if(value.same_type_as(synfig::Real()))
1510                                                                 width->set_scalar(value.get(synfig::Real())*0.5f);
1511                                                 }
1512                                         }
1513                                         else
1514                                                 synfig::error("Unable to add width duck!");
1515                                 }
1516
1517                                 if(bezier)
1518                                 {
1519                                         // Add the tangent1 duck
1520                                         if(vertex_value_node)
1521                                         {
1522                                                 if(!add_to_ducks(synfigapp::ValueDesc(vertex_value_node,4),canvas_view,transform_stack))
1523                                                         return false;
1524                                                 tduck=last_duck();
1525                                         }
1526                                         else
1527                                         {
1528                                                 tduck=new Duck(bline_point.get_tangent1());
1529                                                 tduck->set_transform_stack(transform_stack);
1530                                                 tduck->set_editable(false);
1531                                                 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".t1");
1532 //                                              tduck->set_name(strprintf("%x-tangent1",value_node->get_link(i).get()));
1533                                                 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^GUID::hasher(".t1"));
1534                                                 tduck=add_similar_duck(tduck);
1535 //                                              add_duck(duck);
1536                                         }
1537
1538                                         tduck->set_origin(duck);
1539                                         tduck->set_scalar(-TANGENT_BEZIER_SCALE);
1540                                         tduck->set_tangent(true);
1541
1542                                         bezier->p2=duck;
1543                                         bezier->c2=tduck;
1544
1545                                         bezier->signal_user_click(2).connect(
1546                                                 sigc::bind(
1547                                                         sigc::mem_fun(
1548                                                                 *canvas_view,
1549                                                                 &studio::CanvasView::popup_param_menu_bezier
1550                                                         ),
1551                                                         synfigapp::ValueDesc(value_node,i)
1552                                                 )
1553                                         );
1554
1555                                         duck->signal_user_click(2).clear();
1556                                         duck->signal_user_click(2).connect(
1557                                                 sigc::bind(
1558                                                         sigc::bind(
1559                                                                 sigc::mem_fun(
1560                                                                         *canvas_view,
1561                                                                         &studio::CanvasView::popup_param_menu
1562                                                                 ),
1563                                                                 1.0f
1564                                                         ),
1565                                                         synfigapp::ValueDesc(value_node,i)
1566                                                 )
1567                                         );
1568                                         duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1569
1570                                         add_bezier(bezier);
1571                                         bezier=0;
1572                                 }
1573
1574                                 if(i+1>=value_node->link_count() && !value_node->get_loop())
1575                                         continue;
1576
1577                                 bezier=new Bezier();
1578
1579                                 // Add the tangent2 duck
1580                                 if(vertex_value_node)
1581                                 {
1582                                         int i=bline_point.get_split_tangent_flag()?5:4;
1583                                         if(!add_to_ducks(synfigapp::ValueDesc(vertex_value_node,i),canvas_view,transform_stack,0,2))
1584                                                 return false;
1585                                         tduck=last_duck();
1586                                 }
1587                                 else
1588                                 {
1589                                         if(bline_point.get_split_tangent_flag())
1590                                         {
1591                                                 tduck=new Duck(bline_point.get_tangent2());
1592                                                 tduck->set_transform_stack(transform_stack);
1593                                                 //tduck->set_name(strprintf("%x-tangent2",value_node->get_link(i).get()));
1594                                                 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".t2");
1595                                                 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^GUID::hasher(".t2"));
1596                                         }
1597                                         else
1598                                         {
1599                                                 tduck=new Duck(bline_point.get_tangent1());
1600                                                 tduck->set_transform_stack(transform_stack);
1601                                                 //tduck->set_name(strprintf("%x-tangent1",value_node->get_link(i).get()));
1602                                                 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".t1");
1603                                                 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^GUID::hasher(".t1"));
1604                                         }
1605                                         tduck->set_editable(false);
1606                                         tduck=add_similar_duck(tduck);
1607 //                                      add_duck(duck);
1608                                         if(param_desc)
1609                                         {
1610                                                                 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1611                                                                 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1612                                                                 duck->set_origin(last_duck());
1613 /*
1614                                                                 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1615                                                                 if(value.same_type_as(synfig::Point()))
1616                                                                         duck->set_origin(value.get(synfig::Point()));
1617 */
1618 //                                              if(!param_desc->get_origin().empty())
1619 //                                                      duck->set_origin(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()).get(synfig::Point()));
1620                                         }
1621                                         duck->signal_user_click(2).clear();
1622                                         duck->signal_user_click(2).connect(
1623                                                 sigc::bind(
1624                                                         sigc::bind(
1625                                                                 sigc::mem_fun(
1626                                                                         *canvas_view,
1627                                                                         &studio::CanvasView::popup_param_menu
1628                                                                 ),
1629                                                                 1.0f
1630                                                         ),
1631                                                         synfigapp::ValueDesc(value_node,0)
1632                                                 )
1633                                         );
1634                                         duck->set_value_desc(synfigapp::ValueDesc(value_node,0));
1635
1636                                 }
1637
1638                                 tduck->set_origin(duck);
1639                                 tduck->set_scalar(TANGENT_BEZIER_SCALE);
1640                                 tduck->set_tangent(true);
1641
1642                                 bezier->p1=duck;
1643                                 bezier->c1=tduck;
1644
1645                         }
1646                         // Loop if necessary
1647                         if(bezier && value_node->get_loop())
1648                         {
1649                                 BLinePoint bline_point((*value_node->get_link(first))(get_time()));
1650
1651                                 ValueNode_Composite::Handle vertex_value_node(
1652                                         ValueNode_Composite::Handle::cast_dynamic(
1653                                                 value_node->get_link(first)
1654                                         )
1655                                 );
1656
1657                                 // Add the vertex duck
1658                                 duck=first_duck;
1659                                 /*
1660                                 if(vertex_value_node)
1661                                 {
1662                                         if(!add_to_ducks(synfigapp::ValueDesc(vertex_value_node,0),canvas_view,transform_stack))
1663                                                 return false;
1664                                         duck=last_duck();
1665                                         if(param_desc)
1666                                         {
1667                                                 if(!param_desc->get_origin().empty())
1668                                                         duck->set_origin(value_desc.get_layer()->get_param(param_desc->get_origin()).get(synfig::Point()));
1669                                         }
1670                                         duck->set_type(Duck::TYPE_VERTEX);
1671                                 }
1672                                 else
1673                                 {
1674                                         duck=new Duck(bline_point.get_vertex());
1675                                         duck->set_transform_stack(transform_stack);
1676                                         if(param_desc)
1677                                         {
1678                                                 if(!param_desc->get_origin().empty())
1679                                                         duck->set_origin(value_desc.get_layer()->get_param(param_desc->get_origin()).get(synfig::Point()));
1680                                         }
1681                                         duck->set_editable(false);
1682                                         duck->set_name(strprintf("%x-vertex",value_node->get_link(first).get()));
1683                                         duck->set_type(Duck::TYPE_VERTEX);
1684                                         duck=add_similar_duck(duck);
1685                                 }
1686                                 */
1687
1688                                         // Add the tangent1 duck
1689                                         if(vertex_value_node)
1690                                         {
1691                                                 if(!add_to_ducks(synfigapp::ValueDesc(vertex_value_node,4),canvas_view,transform_stack))
1692                                                         return false;
1693                                                 tduck=last_duck();
1694                                         }
1695                                         else
1696                                         {
1697                                                 tduck=new Duck(bline_point.get_tangent1());
1698                                                 tduck->set_transform_stack(transform_stack);
1699                                                 tduck->set_editable(false);
1700                                                 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,first))+".t1");
1701                                                 //tduck->set_name(strprintf("%x-tangent1",value_node->get_link(first).get()));
1702                                                 tduck=add_similar_duck(tduck);
1703                                                 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^GUID::hasher(".t1"));
1704                                                 //add_duck(duck);
1705                                         }
1706
1707                                         tduck->set_origin(duck);
1708                                         tduck->set_scalar(-TANGENT_BEZIER_SCALE);
1709                                         tduck->set_tangent(true);
1710
1711                                         bezier->p2=duck;
1712                                         bezier->c2=tduck;
1713                                         bezier->signal_user_click(2).connect(
1714                                                 sigc::bind(
1715                                                         sigc::mem_fun(
1716                                                                 *canvas_view,
1717                                                                 &studio::CanvasView::popup_param_menu_bezier
1718                                                         ),
1719                                                         synfigapp::ValueDesc(value_node,first)
1720                                                 )
1721                                         );
1722                                         duck->signal_user_click(2).clear();
1723                                         duck->signal_user_click(2).connect(
1724                                                 sigc::bind(
1725                                                         sigc::bind(
1726                                                                 sigc::mem_fun(
1727                                                                         *canvas_view,
1728                                                                         &studio::CanvasView::popup_param_menu
1729                                                                 ),
1730                                                                 1.0f
1731                                                         ),
1732                                                         synfigapp::ValueDesc(value_node,first)
1733                                                 )
1734                                         );
1735                                         duck->set_value_desc(synfigapp::ValueDesc(value_node,first));
1736
1737                                         add_bezier(bezier);
1738                                         bezier=0;
1739
1740                         }
1741                         return true;
1742                 }
1743                 else // Check for DynamicList
1744                 if(value_desc.is_value_node() &&
1745                         ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_value_node())
1746                 )
1747                 {
1748                         ValueNode_DynamicList::Handle value_node;
1749                         value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_value_node());
1750                         int i;
1751
1752                         if(value_node->get_contained_type()==ValueBase::TYPE_VECTOR)
1753                         {
1754                                 Bezier bezier;
1755                                 for(i=0;i<value_node->link_count();i++)
1756                                 {
1757                                         if(!value_node->list[i].status_at_time(get_time()))
1758                                                 continue;
1759                                         if(!add_to_ducks(synfigapp::ValueDesc(value_node,i),canvas_view,transform_stack))
1760                                                 return false;
1761                                         etl::handle<Duck> duck(last_duck());
1762
1763                                         if(param_desc)
1764                                         {
1765                                                                 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1766                                                                 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1767                                                                 duck->set_origin(last_duck());
1768 /*
1769                                                                 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1770                                                                 if(value.same_type_as(synfig::Point()))
1771                                                                         duck->set_origin(value.get(synfig::Point()));
1772 */
1773 //                                              if(!param_desc->get_origin().empty())
1774 //                                                      last_duck()->set_origin(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()).get(synfig::Point()));
1775                                         }
1776                                         duck->set_type(Duck::TYPE_VERTEX);
1777                                         bezier.p1=bezier.p2;bezier.c1=bezier.c2;
1778                                         bezier.p2=bezier.c2=duck;
1779
1780                                         if(i>0)
1781                                         {
1782                                                 handle<Bezier> bezier_(new Bezier());
1783                                                 bezier_->p1=bezier.p1;
1784                                                 bezier_->c1=bezier.c1;
1785                                                 bezier_->p2=bezier.p2;
1786                                                 bezier_->c2=bezier.c2;
1787                                                 add_bezier(bezier_);
1788                                                 last_bezier()->signal_user_click(2).connect(
1789                                                         sigc::bind(
1790                                                                 sigc::mem_fun(
1791                                                                         *canvas_view,
1792                                                                         &studio::CanvasView::popup_param_menu_bezier
1793                                                                 ),
1794                                                                 synfigapp::ValueDesc(value_node,i)
1795                                                         )
1796                                                 );
1797                                         }
1798                                 }
1799                         }
1800                         /*else if(value_node->get_contained_type()==ValueBase::TYPE_SEGMENT)
1801                         {
1802                                 for(i=0;i<value_node->link_count();i++)
1803                                 {
1804                                         if(!value_node->list[i].status_at_time(get_time()))
1805                                                 continue;
1806                                         if(!add_to_ducks(synfigapp::ValueDesc(value_node,i),canvas_view,transform_stack))
1807                                                 return false;
1808                                 }
1809                         }
1810                         */
1811                         else
1812                                 return false;
1813                 }
1814                 else
1815                 {
1816                         // WRITEME
1817                 }
1818
1819                 return true;
1820         }
1821
1822
1823         break;
1824         default:
1825                 break;
1826         }
1827         return false;
1828 }