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