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Uncomment and fix segment duck code. Now the walk.sifz example can be edited.
[synfig.git] / synfig-studio / trunk / src / gtkmm / duckmatic.cpp
blobcfdb9cdf975cbeefbc312a79b0007f5ebf49fda5
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 ** Copyright (c) 2007, 2008 Chris Moore
10 **
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
15 **
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
20 ** \endlegal
21 */
22 /* ========================================================================= */
23
24 /* === H E A D E R S ======================================================= */
25
26 #ifdef USING_PCH
27 # include "pch.h"
28 #else
29 #ifdef HAVE_CONFIG_H
30 # include <config.h>
31 #endif
32 #include <fstream>
33 #include <iostream>
34 #include <algorithm>
35
36 #include <ETL/hermite>
37
38 #include "duckmatic.h"
39 #include <synfigapp/value_desc.h>
40 #include <synfig/general.h>
41 #include <synfig/paramdesc.h>
42 #include <synfig/valuenode_timedswap.h>
43 #include <synfig/valuenode_animated.h>
44 #include <synfig/valuenode_composite.h>
45 #include <synfig/valuenode_scale.h>
46 #include <synfig/valuenode_bline.h>
47
48 #include <synfig/curve_helper.h>
49
50 #include <sigc++/retype_return.h>
51 #include <sigc++/retype.h>
52 #include <sigc++/hide.h>
53 #include <sigc++/bind.h>
54
55 #include "canvasview.h"
56
57 #include "onemoment.h"
58
59 #include "general.h"
60
61 #endif
62
63 /* === U S I N G =========================================================== */
64
65 using namespace std;
66 using namespace etl;
67 using namespace synfig;
68 using namespace studio;
69
70 /* === M A C R O S ========================================================= */
71
72 /* 0.33333333333333333 makes for nice short tangent handles,
73 1.0 makes them draw as their real length */
74 #define TANGENT_HANDLE_SCALE 0.33333333333333333
75
76 /* leave this alone or the bezier won't lie on top of the bline */
77 #define TANGENT_BEZIER_SCALE 0.33333333333333333
78
79 /* === G L O B A L S ======================================================= */
80
81 /* === P R O C E D U R E S ================================================= */
82
83 /* === M E T H O D S ======================================================= */
84
85 /* === E N T R Y P O I N T ================================================= */
86
87 Duckmatic::Duckmatic():
88 type_mask(Duck::TYPE_ALL-Duck::TYPE_WIDTH),
89 grid_snap(false),
90 guide_snap(false),
91 grid_size(1.0/4.0,1.0/4.0),
92 show_persistent_strokes(true)
93 {
94 axis_lock=false;
95 drag_offset_=Point(0,0);
96 clear_duck_dragger();
97 }
98
99 Duckmatic::~Duckmatic()
100 {
101 clear_ducks();
102
103 if (Duck::duck_count)
104 synfig::error("%d ducks not yet deleted!", Duck::duck_count);
105
106 if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
107 synfig::info("Duckmatic::~Duckmatic(): Deleted");
108 }
109
110 void
111 Duckmatic::clear_ducks()
112 {
113 duck_data_share_map.clear();
114 duck_map.clear();
115
116 //duck_list_.clear();
117 bezier_list_.clear();
118 stroke_list_.clear();
119
120 if(show_persistent_strokes)
121 stroke_list_=persistent_stroke_list_;
122 }
123
124 //! Returns \a true if the given duck is currently selected
125 bool
126 Duckmatic::duck_is_selected(const etl::handle<Duck> &duck)const
127 {
128 return duck && selected_ducks.count(duck->get_guid());
129 }
130
131 void
132 Duckmatic::set_grid_size(const synfig::Vector &s)
133 {
134 if(grid_size!=s)
135 {
136 grid_size=s;
137 signal_grid_changed();
138 }
139 }
140
141 void
142 Duckmatic::set_grid_snap(bool x)
143 {
144 if(grid_snap!=x)
145 {
146 grid_snap=x;
147 signal_grid_changed();
148 }
149 }
150
151 void
152 Duckmatic::set_guide_snap(bool x)
153 {
154 if(guide_snap!=x)
155 {
156 guide_snap=x;
157 signal_grid_changed();
158 }
159 }
160
161 Duckmatic::GuideList::iterator
162 Duckmatic::find_guide_x(synfig::Point pos, float radius)
163 {
164 GuideList::iterator iter,best(guide_list_x_.end());
165 float dist(radius);
166 for(iter=guide_list_x_.begin();iter!=guide_list_x_.end();++iter)
167 {
168 float amount(abs(*iter-pos[0]));
169 if(amount<dist)
170 {
171 dist=amount;
172 best=iter;
173 }
174 }
175 return best;
176 }
177
178 Duckmatic::GuideList::iterator
179 Duckmatic::find_guide_y(synfig::Point pos, float radius)
180 {
181 GuideList::iterator iter,best(guide_list_y_.end());
182 float dist(radius);
183 for(iter=guide_list_y_.begin();iter!=guide_list_y_.end();++iter)
184 {
185 float amount(abs(*iter-pos[1]));
186 if(amount<=dist)
187 {
188 dist=amount;
189 best=iter;
190 }
191 }
192 return best;
193 }
194
195 void
196 Duckmatic::clear_selected_ducks()
197 {
198 selected_ducks.clear();
199 signal_duck_selection_changed_();
200 }
201
202 etl::handle<Duckmatic::Duck>
203 Duckmatic::get_selected_duck()const
204 {
205 if(selected_ducks.empty() || duck_map.empty())
206 return 0;
207 return duck_map.find(*selected_ducks.begin())->second;
208 }
209
210 void
211 Duckmatic::refresh_selected_ducks()
212 {
213 /*
214 std::set<etl::handle<Duck> >::iterator iter;
215 std::set<etl::handle<Duck> > new_set;
216 if(duck_list().empty())
217 {
218 selected_duck_list.clear();
219 signal_duck_selection_changed_();
220 return;
221 }
222
223 for(iter=selected_duck_list.begin();iter!=selected_duck_list.end();++iter)
224 {
225 etl::handle<Duck> similar(find_similar_duck(*iter));
226 if(similar)
227 {
228 new_set.insert(similar);
229 }
230 }
231 selected_duck_list=new_set;
232 */
233 GUIDSet old_set(selected_ducks);
234 GUIDSet::const_iterator iter;
235
236 for(iter=old_set.begin();iter!=old_set.end();++iter)
237 {
238 if(duck_map.count(*iter)==0)
239 selected_ducks.erase(*iter);
240 }
241
242 signal_duck_selection_changed_();
243 }
244
245 bool
246 Duckmatic::is_duck_group_selectable(const etl::handle<Duck>& x)const
247 {
248 const Type type(get_type_mask());
249
250 if (((x->get_type() && (!(type & x->get_type()))) ||
251 !x->get_editable()))
252 return false;
253
254 if(x->get_value_desc().parent_is_layer_param() && type & Duck::TYPE_POSITION)
255 {
256 Layer::Handle layer(x->get_value_desc().get_layer());
257 String layer_name(layer->get_name());
258
259 if (layer_name == "outline" || layer_name == "region" || layer_name == "plant" ||
260 layer_name == "polygon" || layer_name == "curve_gradient")
261 return false;
262
263 if((layer_name=="PasteCanvas"|| layer_name=="paste_canvas") &&
264 !layer->get_param("children_lock").get(bool()))
265 return false;
266 }
267 return true;
268 }
269
270 void
271 Duckmatic::select_all_ducks()
272 {
273 DuckMap::const_iterator iter;
274 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
275 if(is_duck_group_selectable(iter->second))
276 select_duck(iter->second);
277 else
278 unselect_duck(iter->second);
279 }
280
281 void
282 Duckmatic::toggle_select_ducks_in_box(const synfig::Vector& tl,const synfig::Vector& br)
283 {
284 Vector vmin, vmax;
285 vmin[0]=std::min(tl[0],br[0]);
286 vmin[1]=std::min(tl[1],br[1]);
287 vmax[0]=std::max(tl[0],br[0]);
288 vmax[1]=std::max(tl[1],br[1]);
289
290 DuckMap::const_iterator iter;
291 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
292 {
293 Point p(iter->second->get_trans_point());
294 if(p[0]<=vmax[0] && p[0]>=vmin[0] && p[1]<=vmax[1] && p[1]>=vmin[1] &&
295 is_duck_group_selectable(iter->second))
296 toggle_select_duck(iter->second);
297 }
298 }
299
300 void
301 Duckmatic::select_ducks_in_box(const synfig::Vector& tl,const synfig::Vector& br)
302 {
303 Vector vmin, vmax;
304 vmin[0]=std::min(tl[0],br[0]);
305 vmin[1]=std::min(tl[1],br[1]);
306 vmax[0]=std::max(tl[0],br[0]);
307 vmax[1]=std::max(tl[1],br[1]);
308
309 // Type type(get_type_mask());
310
311 DuckMap::const_iterator iter;
312 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
313 {
314 Point p(iter->second->get_trans_point());
315 if(p[0]<=vmax[0] && p[0]>=vmin[0] && p[1]<=vmax[1] && p[1]>=vmin[1])
316 {
317 if(is_duck_group_selectable(iter->second))
318 select_duck(iter->second);
319 }
320 }
321 }
322
323 int
324 Duckmatic::count_selected_ducks()const
325 {
326 return selected_ducks.size();
327 }
328
329 void
330 Duckmatic::select_duck(const etl::handle<Duck> &duck)
331 {
332 if(duck)
333 {
334 selected_ducks.insert(duck->get_guid());
335 signal_duck_selection_changed_();
336 }
337 }
338
339 DuckList
340 Duckmatic::get_selected_ducks()const
341 {
342 DuckList ret;
343 GUIDSet::const_iterator iter;
344 const Type type(get_type_mask());
345
346 for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
347 {
348 const DuckMap::const_iterator d_iter(duck_map.find(*iter));
349
350 if(d_iter==duck_map.end())
351 continue;
352
353 if(( d_iter->second->get_type() && (!(type & d_iter->second->get_type())) ) )
354 continue;
355
356 ret.push_back(d_iter->second);
357 }
358 return ret;
359 }
360
361 DuckList
362 Duckmatic::get_duck_list()const
363 {
364 DuckList ret;
365 DuckMap::const_iterator iter;
366 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
367 ret.push_back(iter->second);
368 return ret;
369 }
370
371 void
372 Duckmatic::unselect_duck(const etl::handle<Duck> &duck)
373 {
374 if(duck && selected_ducks.count(duck->get_guid()))
375 {
376 selected_ducks.erase(duck->get_guid());
377 signal_duck_selection_changed_();
378 }
379 }
380
381 void
382 Duckmatic::toggle_select_duck(const etl::handle<Duck> &duck)
383 {
384 if(duck_is_selected(duck))
385 unselect_duck(duck);
386 else
387 select_duck(duck);
388 }
389
390 void
391 Duckmatic::translate_selected_ducks(const synfig::Vector& vector)
392 {
393 if(duck_dragger_)
394 duck_dragger_->duck_drag(this,vector);
395 }
396
397 void
398 Duckmatic::start_duck_drag(const synfig::Vector& offset)
399 {
400 if(duck_dragger_)
401 duck_dragger_->begin_duck_drag(this,offset);
402
403 //drag_offset_=offset;
404 drag_offset_=find_duck(offset)->get_trans_point();
405 }
406
407 bool
408 Duckmatic::end_duck_drag()
409 {
410 if(duck_dragger_)
411 return duck_dragger_->end_duck_drag(this);
412 return false;
413 }
414
415 Point
416 Duckmatic::snap_point_to_grid(const synfig::Point& x, float radius)const
417 {
418 Point ret(x);
419
420 GuideList::const_iterator guide_x,guide_y;
421 bool has_guide_x(false), has_guide_y(false);
422
423 guide_x=find_guide_x(ret,radius);
424 if(guide_x!=guide_list_x_.end())
425 has_guide_x=true;
426
427 guide_y=find_guide_y(ret,radius);
428 if(guide_y!=guide_list_y_.end())
429 has_guide_y=true;
430
431 if(get_grid_snap())
432 {
433 Point snap(
434 floor(ret[0]/get_grid_size()[0]+0.5)*get_grid_size()[0],
435 floor(ret[1]/get_grid_size()[1]+0.5)*get_grid_size()[1]);
436
437 if(abs(snap[0]-ret[0])<=radius && (!has_guide_x || abs(snap[0]-ret[0])<=abs(*guide_x-ret[0])))
438 ret[0]=snap[0],has_guide_x=false;
439 if(abs(snap[1]-ret[1])<=radius && (!has_guide_y || abs(snap[1]-ret[1])<=abs(*guide_y-ret[1])))
440 ret[1]=snap[1],has_guide_y=false;
441 }
442
443 if(guide_snap)
444 {
445 if(has_guide_x)
446 ret[0]=*guide_x;
447 if(has_guide_y)
448 ret[1]=*guide_y;
449 }
450
451 if(axis_lock)
452 {
453 ret-=drag_offset_;
454 if(abs(ret[0])<abs(ret[1]))
455 ret[0]=0;
456 else
457 ret[1]=0;
458 ret+=drag_offset_;
459 }
460
461 return ret;
462 }
463
464 void
465 DuckDrag_Translate::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
466 {
467 last_translate_=Vector(0,0);
468 {
469 drag_offset_=duckmatic->find_duck(offset)->get_trans_point();
470
471 snap=Vector(0,0);
472 }
473
474 const DuckList selected_ducks(duckmatic->get_selected_ducks());
475 DuckList::const_iterator iter;
476
477 positions.clear();
478 for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
479 {
480 Point p((*iter)->get_trans_point());
481 positions.push_back(p);
482 }
483 }
484
485 bool
486 DuckDrag_Translate::end_duck_drag(Duckmatic* duckmatic)
487 {
488 if(last_translate_.mag()>0.0001)
489 {
490 duckmatic->signal_edited_selected_ducks();
491 return true;
492 }
493 else
494 {
495 duckmatic->signal_user_click_selected_ducks(0);
496 return false;
497 }
498 }
499
500 void
501 DuckDrag_Translate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
502 {
503 const DuckList selected_ducks(duckmatic->get_selected_ducks());
504 DuckList::const_iterator iter;
505
506 synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-drag_offset_);
507 int i;
508
509 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
510 {
511 if((*iter)->get_type()!=Duck::TYPE_VERTEX &&
512 (*iter)->get_type()!=Duck::TYPE_POSITION)
513 continue;
514 (*iter)->set_trans_point(positions[i]+vect);
515 }
516 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
517 {
518 if((*iter)->get_type()==Duck::TYPE_VERTEX ||
519 (*iter)->get_type()==Duck::TYPE_POSITION)
520 continue;
521 (*iter)->set_trans_point(positions[i]+vect);
522 }
523 last_translate_=vect;
524 }
525
526 void
527 Duckmatic::signal_edited_selected_ducks()
528 {
529 const DuckList ducks(get_selected_ducks());
530 DuckList::const_iterator iter;
531
532 synfig::GUIDSet old_set(selected_ducks);
533
534 // If we have more than 20 things to move, then display
535 // something to explain that it may take a moment
536 smart_ptr<OneMoment> wait; if(ducks.size()>20)wait.spawn();
537
538 // Go ahead and call everyone's signals
539 for(iter=ducks.begin();iter!=ducks.end();++iter)
540 {
541 if ((*iter)->get_type() == Duck::TYPE_ANGLE)
542 {
543 if(!(*iter)->signal_edited_angle()((*iter)->get_rotations()))
544 {
545 selected_ducks=old_set;
546 throw String("Bad edit");
547 }
548 }
549 else if (App::restrict_radius_ducks &&
550 (*iter)->is_radius())
551 {
552 Point point((*iter)->get_point());
553 bool changed = false;
554
555 if (point[0] < 0)
556 {
557 point[0] = 0;
558 changed = true;
559 }
560 if (point[1] < 0)
561 {
562 point[1] = 0;
563 changed = true;
564 }
565
566 if (changed) (*iter)->set_point(point);
567
568 if(!(*iter)->signal_edited()(point))
569 {
570 selected_ducks=old_set;
571 throw String("Bad edit");
572 }
573 }
574 else
575 {
576 if(!(*iter)->signal_edited()((*iter)->get_point()))
577 {
578 selected_ducks=old_set;
579 throw String("Bad edit");
580 }
581 }
582 }
583 selected_ducks=old_set;
584 }
585
586 void
587 Duckmatic::signal_user_click_selected_ducks(int button)
588 {
589 const DuckList ducks(get_selected_ducks());
590 DuckList::const_iterator iter;
591
592 for(iter=ducks.begin();iter!=ducks.end();++iter)
593 {
594 (*iter)->signal_user_click(button)();
595 }
596 }
597
598 void
599 Duckmatic::add_duck(const etl::handle<Duck> &duck)
600 {
601 //if(!duck_map.count(duck->get_guid()))
602 {
603 if(duck_data_share_map.count(duck->get_data_guid()))
604 {
605 duck->set_shared_point(duck_data_share_map[duck->get_data_guid()]);
606 }
607 else
608 {
609 etl::smart_ptr<synfig::Point> point(new Point(duck->get_point()));
610 duck->set_shared_point(point);
611 duck_data_share_map[duck->get_data_guid()]=point;
612 }
613
614 duck_map.insert(duck);
615 }
616
617 last_duck_guid=duck->get_guid();
618 }
619
620 void
621 Duckmatic::add_bezier(const etl::handle<Bezier> &bezier)
622 {
623 bezier_list_.push_back(bezier);
624 }
625
626 void
627 Duckmatic::add_stroke(etl::smart_ptr<std::list<synfig::Point> > stroke_point_list, const synfig::Color& color)
628 {
629 assert(stroke_point_list);
630
631 std::list<etl::handle<Stroke> >::iterator iter;
632
633 for(iter=stroke_list_.begin();iter!=stroke_list_.end();++iter)
634 {
635 if((*iter)->stroke_data==stroke_point_list)
636 return;
637 }
638
639 etl::handle<Stroke> stroke(new Stroke());
640
641 stroke->stroke_data=stroke_point_list;
642 stroke->color=color;
643
644 stroke_list_.push_back(stroke);
645 }
646
647 void
648 Duckmatic::add_persistent_stroke(etl::smart_ptr<std::list<synfig::Point> > stroke_point_list, const synfig::Color& color)
649 {
650 add_stroke(stroke_point_list,color);
651 persistent_stroke_list_.push_back(stroke_list_.back());
652 }
653
654 void
655 Duckmatic::clear_persistent_strokes()
656 {
657 persistent_stroke_list_.clear();
658 }
659
660 void
661 Duckmatic::set_show_persistent_strokes(bool x)
662 {
663 if(x!=show_persistent_strokes)
664 {
665 show_persistent_strokes=x;
666 if(x)
667 stroke_list_=persistent_stroke_list_;
668 else
669 stroke_list_.clear();
670 }
671 }
672
673 void
674 Duckmatic::erase_duck(const etl::handle<Duck> &duck)
675 {
676 duck_map.erase(duck->get_guid());
677 }
678
679 etl::handle<Duckmatic::Duck>
680 Duckmatic::find_similar_duck(etl::handle<Duck> duck)
681 {
682 DuckMap::const_iterator iter(duck_map.find(duck->get_guid()));
683 if(iter!=duck_map.end())
684 return iter->second;
685 return 0;
686
687 /* std::list<handle<Duck> >::reverse_iterator iter;
688
689 for(iter=duck_list_.rbegin();iter!=duck_list_.rend();++iter)
690 {
691 if(*iter!=duck && **iter==*duck)
692 {
693 //synfig::info("Found similar duck! (iter:%08x vs. duck:%08x)",iter->get(), duck.get());
694 return *iter;
695 }
696 }
697 return 0;
698 */
699 }
700
701 etl::handle<Duckmatic::Duck>
702 Duckmatic::add_similar_duck(etl::handle<Duck> duck)
703 {
704 etl::handle<Duck> similar(find_similar_duck(duck));
705 if(!similar)
706 {
707 add_duck(duck);
708 return duck;
709 }
710 return similar;
711 }
712
713 void
714 Duckmatic::erase_bezier(const etl::handle<Bezier> &bezier)
715 {
716 std::list<handle<Bezier> >::iterator iter;
717
718 for(iter=bezier_list_.begin();iter!=bezier_list_.end();++iter)
719 {
720 if(*iter==bezier)
721 {
722 bezier_list_.erase(iter);
723 return;
724 }
725 }
726 synfig::warning("Unable to find bezier to erase!");
727 }
728
729 etl::handle<Duckmatic::Duck>
730 Duckmatic::last_duck()const
731 {
732 DuckMap::const_iterator iter(duck_map.find(last_duck_guid));
733 if(iter!=duck_map.end())
734 return iter->second;
735 return 0;
736 }
737
738 etl::handle<Duckmatic::Bezier>
739 Duckmatic::last_bezier()const
740 {
741 return bezier_list_.back();
742 }
743
744 etl::handle<Duckmatic::Duck>
745 Duckmatic::find_duck(synfig::Point point, synfig::Real radius, Duck::Type type)
746 {
747 if(radius==0)radius=10000000;
748
749 if(type==Duck::TYPE_DEFAULT)
750 type=get_type_mask();
751
752 Real closest(10000000);
753 etl::handle<Duck> ret;
754
755 DuckMap::const_iterator iter;
756
757 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
758 {
759 const Duck::Handle& duck(iter->second);
760
761 if(duck->get_ignore())
762 continue;
763 Real dist((duck->get_trans_point()-point).mag_squared());
764
765 if(duck->get_type()&Duck::TYPE_VERTEX)
766 dist*=1.0001;
767 else if(duck->get_type()&Duck::TYPE_RADIUS)
768 dist*=0.9999;
769
770 if(dist<=closest && !( duck->get_type() && (!(type & duck->get_type())) ) )
771 {
772 {
773 closest=dist;
774 ret=duck;
775 }
776 }
777 }
778
779 if(radius==0 || closest<radius*radius)
780 return ret;
781
782 return 0;
783 }
784
785 etl::handle<Duckmatic::Bezier>
786 Duckmatic::find_bezier(synfig::Point point, synfig::Real radius,float* location)
787 {
788 return find_bezier(point,radius,radius,location);
789 }
790
791 etl::handle<Duckmatic::Bezier>
792 Duckmatic::find_bezier(synfig::Point pos, synfig::Real scale, synfig::Real radius, float* location)
793 {
794 if(radius==0)radius=10000000;
795 Real closest(10000000);
796 etl::handle<Bezier> ret;
797
798 bezier<Point> curve;
799
800 Real d,step;
801 float time = 0;
802 float best_time = 0;
803
804 for(std::list<handle<Bezier> >::const_iterator iter=bezier_list().begin();iter!=bezier_list().end();++iter)
805 {
806 curve[0] = (*iter)->p1->get_trans_point();
807 curve[1] = (*iter)->c1->get_trans_point();
808 curve[2] = (*iter)->c2->get_trans_point();
809 curve[3] = (*iter)->p2->get_trans_point();
810 curve.sync();
811
812 #if 0
813 // I don't know why this doesn't work
814 time=curve.find_closest(pos,6);
815 d=((curve(time)-pos).mag_squared());
816
817 #else
818 //set the step size based on the size of the picture
819 d = (curve[1] - curve[0]).mag() + (curve[2]-curve[1]).mag() + (curve[3]-curve[2]).mag();
820
821 step = d/(2*scale); //want to make the distance between lines happy
822
823 step = max(step,0.01); //100 samples should be plenty
824 step = min(step,0.1); //10 is minimum
825
826 d = find_closest(curve,pos,step,&closest,&time);
827 #endif
828
829 if(d < closest)
830 {
831 closest = d;
832 ret = *iter;
833 best_time=time;
834 }
835 }
836
837 if(closest < radius*radius)
838 {
839 if(location)
840 *location = best_time; // We need to square-root this because we were dealing with squared distances
841
842 return ret;
843 }
844
845 return 0;
846 }
847
848 bool
849 Duckmatic::save_sketch(const synfig::String& filename)const
850 {
851 ChangeLocale change_locale(LC_NUMERIC, "C");
852 std::ofstream file(filename.c_str());
853
854 if(!file)return false;
855
856 file<<"SKETCH"<<endl;
857
858 std::list<etl::handle<Stroke> >::const_iterator iter;
859
860 for(iter=persistent_stroke_list_.begin();iter!=persistent_stroke_list_.end();++iter)
861 {
862 file<<"C "
863 <<(*iter)->color.get_r()<<' '
864 <<(*iter)->color.get_g()<<' '
865 <<(*iter)->color.get_b()
866 <<endl;
867 std::list<synfig::Point>::const_iterator viter;
868 for(viter=(*iter)->stroke_data->begin();viter!=(*iter)->stroke_data->end();++viter)
869 {
870 file<<"V "
871 <<(*viter)[0]<<' '
872 <<(*viter)[1]
873 <<endl;
874 }
875 }
876 if(!file)return false;
877 sketch_filename_=filename;
878 signal_sketch_saved_();
879 return true;
880 }
881
882 bool
883 Duckmatic::load_sketch(const synfig::String& filename)
884 {
885 ChangeLocale change_locale(LC_NUMERIC, "C");
886 std::ifstream file(filename.c_str());
887
888 if(!file)
889 return false;
890
891 std::string line;
892 getline(file,line);
893
894 if(line!="SKETCH")
895 {
896 synfig::error("Not a sketch");
897 return false;
898 }
899
900 etl::smart_ptr<std::list<synfig::Point> > stroke_data;
901
902 while(file)
903 {
904 getline(file,line);
905
906 if(line.empty())
907 continue;
908
909 switch(line[0])
910 {
911 case 'C':
912 case 'c':
913 {
914 stroke_data.spawn();
915 float r,g,b;
916 if(!strscanf(line,"C %f %f %f",&r, &g, &b))
917 {
918 synfig::warning("Bad color line \"%s\"",line.c_str());
919 r=0;g=0;b=0;
920 }
921 add_persistent_stroke(stroke_data, synfig::Color(r,g,b));
922 }
923 break;
924 case 'V':
925 case 'v':
926 if(!stroke_data)
927 {
928 stroke_data.spawn();
929 add_persistent_stroke(stroke_data, synfig::Color(0,0,0));
930 }
931 float x,y;
932 if(!strscanf(line,"V %f %f",&x, &y))
933 synfig::warning("Bad vertex \"%s\"",line.c_str());
934 else
935 stroke_data->push_back(synfig::Vector(x,y));
936 break;
937 default:
938 synfig::warning("Unexpected sketch token '%c'",line[0]);
939 break;
940 }
941 }
942
943 sketch_filename_=filename;
944 return true;
945 }
946
947 Duckmatic::Push::Push(Duckmatic *duckmatic_):
948 duckmatic_(duckmatic_)
949 {
950 duck_map=duckmatic_->duck_map;
951 bezier_list_=duckmatic_->bezier_list_;
952 duck_data_share_map=duckmatic_->duck_data_share_map;
953 stroke_list_=duckmatic_->stroke_list_;
954 duck_dragger_=duckmatic_->duck_dragger_;
955 needs_restore=true;
956 }
957
958 Duckmatic::Push::~Push()
959 {
960 if(needs_restore)
961 restore();
962 }
963
964 void
965 Duckmatic::Push::restore()
966 {
967 duckmatic_->duck_map=duck_map;
968 duckmatic_->bezier_list_=bezier_list_;
969 duckmatic_->duck_data_share_map=duck_data_share_map;
970 duckmatic_->stroke_list_=stroke_list_;
971 duckmatic_->duck_dragger_=duck_dragger_;
972 needs_restore=false;
973 }
974
975 inline String guid_string(const synfigapp::ValueDesc& x)
976 {
977 if(x.parent_is_layer_param())
978 return strprintf("%s",x.get_layer()->get_guid().get_string().c_str())+x.get_param_name();
979 //if(x.is_value_node())
980 return strprintf("%s",x.get_value_node()->get_guid().get_string().c_str());
981 }
982
983 inline synfig::GUID calc_duck_guid(const synfigapp::ValueDesc& x,const synfig::TransformStack& transform_stack)
984 {
985 synfig::GUID ret(0);
986
987 if(x.parent_is_layer_param())
988 {
989 ret=x.get_layer()->get_guid()^synfig::GUID::hasher(x.get_param_name());
990 }
991 else
992 {
993 ret=x.get_value_node()->get_guid();
994 }
995
996 ret^=transform_stack.get_guid();
997 return ret;
998 }
999
1000 /*
1001 Duck::Handle
1002 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)
1003 {
1004 synfig::GUID duck_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(modifier));
1005 etl::handle<Duck> duck=new Duck();
1006
1007 return duck;
1008 }
1009 */
1010
1011 bool
1012 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)
1013 {
1014 ValueBase::Type type=value_desc.get_value_type();
1015 #define REAL_COOKIE reinterpret_cast<synfig::ParamDesc*>(28)
1016 switch(type)
1017 {
1018 case ValueBase::TYPE_REAL:
1019
1020 if(!param_desc || param_desc==REAL_COOKIE || !param_desc->get_origin().empty())
1021 {
1022 etl::handle<Duck> duck=new Duck();
1023 duck->set_transform_stack(transform_stack);
1024 duck->set_radius(true);
1025 duck->set_type(Duck::TYPE_RADIUS);
1026
1027 // put the duck on the right hand side of the center
1028 duck->set_point(Point(value_desc.get_value(get_time()).get(Real()), 0));
1029 duck->set_name(guid_string(value_desc));
1030 if(value_desc.is_value_node())
1031 {
1032 // If the ValueNode can be directly manipulated,
1033 // then set it as so.
1034 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1035 }
1036 else
1037 {
1038 duck->set_editable(true);
1039 }
1040
1041 if(param_desc && param_desc!=REAL_COOKIE)
1042 {
1043 if(!param_desc->get_origin().empty())
1044 {
1045 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1046 /*
1047 duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1048 */
1049 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1050 duck->set_origin(last_duck());
1051 }
1052 duck->set_scalar(param_desc->get_scalar());
1053 }
1054
1055 duck->signal_edited().clear(); // value_desc.get_value_type() == ValueBase::TYPE_REAL:
1056 duck->signal_edited().connect(
1057 sigc::bind(
1058 sigc::mem_fun(
1059 *canvas_view,
1060 &studio::CanvasView::on_duck_changed),
1061 value_desc));
1062 duck->set_value_desc(value_desc);
1063
1064 duck->signal_user_click(2).connect(
1065 sigc::bind(
1066 sigc::bind(
1067 sigc::bind(
1068 sigc::mem_fun(
1069 *canvas_view,
1070 &studio::CanvasView::popup_param_menu),
1071 false),
1072 0.0f),
1073 value_desc));
1074
1075 duck->set_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(multiple));
1076
1077 add_duck(duck);
1078
1079 return true;
1080 }
1081 break;
1082
1083 case ValueBase::TYPE_ANGLE:
1084
1085 if(!param_desc || param_desc==REAL_COOKIE || !param_desc->get_origin().empty())
1086 {
1087 etl::handle<Duck> duck=new Duck();
1088 duck->set_type(Duck::TYPE_ANGLE);
1089 duck->set_transform_stack(transform_stack);
1090 synfig::Angle angle;
1091
1092 angle=value_desc.get_value(get_time()).get(Angle());
1093 duck->set_point(Point(Angle::cos(angle).get(),Angle::sin(angle).get()));
1094 duck->set_name(guid_string(value_desc));
1095 if(value_desc.is_value_node())
1096 {
1097 ValueNode::Handle value_node=value_desc.get_value_node();
1098 //duck->set_name(strprintf("%x",value_node.get()));
1099
1100 // If the ValueNode can be directly manipulated,
1101 // then set it as so.
1102 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1103 }
1104 else
1105 {
1106 //angle=(value_desc.get_value().get(Angle()));
1107 //duck->set_point(Point(Angle::cos(angle).get(),Angle::sin(angle).get()));
1108 //duck->set_name(strprintf("%x",value_desc.get_layer().get())+value_desc.get_param_name());
1109 duck->set_editable(true);
1110 }
1111
1112 if(param_desc && param_desc!=REAL_COOKIE)
1113 {
1114 if(!param_desc->get_origin().empty())
1115 {
1116 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1117 /*
1118 duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1119 */
1120 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1121 duck->set_origin(last_duck());
1122 }
1123 duck->set_scalar(param_desc->get_scalar());
1124 }
1125
1126 duck->signal_edited().clear(); // value_desc.get_value_type() == ValueBase::TYPE_ANGLE:
1127 duck->signal_edited_angle().clear();
1128 duck->signal_edited_angle().connect(
1129 sigc::bind(
1130 sigc::mem_fun(
1131 *canvas_view,
1132 &studio::CanvasView::on_duck_angle_changed),
1133 value_desc));
1134 duck->set_value_desc(value_desc);
1135
1136 duck->signal_user_click(2).connect(
1137 sigc::bind(
1138 sigc::bind(
1139 sigc::bind(
1140 sigc::mem_fun(
1141 *canvas_view,
1142 &studio::CanvasView::popup_param_menu),
1143 false),
1144 0.0f),
1145 value_desc));
1146 duck->set_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(multiple));
1147
1148 add_duck(duck);
1149
1150 return true;
1151 }
1152 break;
1153
1154 case ValueBase::TYPE_VECTOR:
1155 {
1156 etl::handle<Duck> duck=new Duck();
1157 duck->set_transform_stack(transform_stack);
1158
1159 duck->set_point(value_desc.get_value(get_time()).get(Point()));
1160 duck->set_name(guid_string(value_desc));
1161 if(value_desc.is_value_node())
1162 {
1163 //duck->set_name(strprintf("%x",value_desc.get_value_node().get()));
1164
1165 // If the ValueNode can be directly manipulated,
1166 // then set it as so.
1167 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1168 }
1169 else
1170 {
1171 //duck->set_point(value_desc.get_value().get(Point()));
1172 //duck->set_name(strprintf("%x",value_desc.get_layer().get())+value_desc.get_param_name());
1173 duck->set_editable(true);
1174 }
1175
1176 // If we were passed a parameter description
1177 if(param_desc)
1178 {
1179 if(!param_desc->get_connect().empty())
1180 {
1181 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_connect());
1182 Duck::Handle connect_duck;
1183 if(duck_map.find(calc_duck_guid(value_desc_origin,transform_stack)^synfig::GUID::hasher(0))!=duck_map.end())
1184 {
1185 connect_duck=duck_map[calc_duck_guid(value_desc_origin,transform_stack)^synfig::GUID::hasher(0)];
1186 }
1187 else
1188 {
1189 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1190 connect_duck=last_duck();
1191 }
1192 duck->set_connect_duck(connect_duck);
1193 }
1194 if(!param_desc->get_box().empty())
1195 {
1196 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_box());
1197 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1198 duck->set_box_duck(last_duck());
1199 }
1200
1201 // If we have an origin
1202 if(!param_desc->get_origin().empty())
1203 {
1204 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1205 /*
1206 duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1207 */
1208 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1209 duck->set_origin(last_duck());
1210 duck->set_type(Duck::TYPE_VERTEX);
1211 }
1212 else
1213 duck->set_type(Duck::TYPE_POSITION);
1214
1215 duck->set_scalar(param_desc->get_scalar());
1216 }
1217 else
1218 duck->set_type(Duck::TYPE_POSITION);
1219
1220 duck->signal_edited().clear(); // value_desc.get_value_type() == ValueBase::TYPE_VECTOR:
1221 duck->signal_edited().connect(
1222 sigc::bind(
1223 sigc::mem_fun(
1224 *canvas_view,
1225 &studio::CanvasView::on_duck_changed),
1226 value_desc));
1227 duck->set_value_desc(value_desc);
1228
1229 duck->signal_user_click(2).connect(
1230 sigc::bind(
1231 sigc::bind(
1232 sigc::bind(
1233 sigc::mem_fun(
1234 *canvas_view,
1235 &studio::CanvasView::popup_param_menu),
1236 false),
1237 1.0f),
1238 value_desc));
1239 duck->set_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(multiple));
1240 add_duck(duck);
1241
1242 return true;
1243 }
1244 break;
1245 case ValueBase::TYPE_SEGMENT:
1246 {
1247 etl::handle<Bezier> bezier(new Bezier());
1248 ValueNode_Composite::Handle value_node;
1249
1250 if(value_desc.is_value_node() &&
1251 (value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())))
1252 {
1253 if(!add_to_ducks(synfigapp::ValueDesc(value_node,0),canvas_view,transform_stack))
1254 return false;
1255 bezier->p1=last_duck();
1256 bezier->p1->set_type(Duck::TYPE_VERTEX);
1257 if(!add_to_ducks(synfigapp::ValueDesc(value_node,1),canvas_view,transform_stack))
1258 return false;
1259 bezier->c1=last_duck();
1260 bezier->c1->set_type(Duck::TYPE_TANGENT);
1261 bezier->c1->set_origin(bezier->p1);
1262 bezier->c1->set_scalar(TANGENT_BEZIER_SCALE);
1263 bezier->c1->set_tangent(true);
1264
1265 if(!add_to_ducks(synfigapp::ValueDesc(value_node,2),canvas_view,transform_stack))
1266 return false;
1267 bezier->p2=last_duck();
1268 bezier->p2->set_type(Duck::TYPE_VERTEX);
1269 if(!add_to_ducks(synfigapp::ValueDesc(value_node,3),canvas_view,transform_stack))
1270 return false;
1271 bezier->c2=last_duck();
1272 bezier->c2->set_type(Duck::TYPE_TANGENT);
1273 bezier->c2->set_origin(bezier->p2);
1274 bezier->c2->set_scalar(-TANGENT_BEZIER_SCALE);
1275 bezier->c2->set_tangent(true);
1276
1277 bezier->signal_user_click(2).connect(
1278 sigc::bind(
1279 sigc::mem_fun(
1280 *canvas_view,
1281 &studio::CanvasView::popup_param_menu_bezier),
1282 value_desc));
1283
1284 add_bezier(bezier);
1285 }
1286 else if(value_desc.get_value().is_valid())
1287 {
1288 Segment segment=value_desc.get_value();
1289 etl::handle<Duck> duck_p,duck_c;
1290 synfig::String name;
1291 if(param_desc)
1292 {
1293 name=param_desc->get_local_name();
1294 }
1295 else
1296 {
1297 name=guid_string(value_desc);
1298 }
1299
1300 duck_p=new Duck(segment.p1);
1301 duck_p->set_name(name+".P1");
1302 duck_p->set_type(Duck::TYPE_VERTEX);
1303 add_duck(duck_p);
1304
1305 duck_c=new Duck(segment.t1);
1306 duck_c->set_name(name+".T1");
1307 duck_c->set_type(Duck::TYPE_TANGENT);
1308 add_duck(duck_c);
1309 duck_c->set_origin(duck_p);
1310 duck_c->set_scalar(TANGENT_HANDLE_SCALE);
1311 duck_c->set_tangent(true);
1312
1313 bezier->p1=duck_p;
1314 bezier->c1=duck_c;
1315
1316 duck_p=new Duck(segment.p2);
1317 duck_p->set_name(name+".P2");
1318 duck_p->set_type(Duck::TYPE_VERTEX);
1319 add_duck(duck_p);
1320
1321 duck_c=new Duck(segment.t2);
1322 duck_c->set_type(Duck::TYPE_TANGENT);
1323 duck_c->set_name(name+".T2");
1324 add_duck(duck_c);
1325 duck_c->set_origin(duck_p);
1326 duck_c->set_scalar(-TANGENT_HANDLE_SCALE);
1327 duck_c->set_tangent(true);
1328
1329 bezier->p2=duck_p;
1330 bezier->c2=duck_c;
1331 add_bezier(bezier);
1332 }
1333
1334 return true;
1335 }
1336 break;
1337 case ValueBase::TYPE_BLINEPOINT:
1338 {
1339
1340 if(value_desc.is_value_node() &&
1341 ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
1342 {
1343 ValueNode_Composite::Handle value_node;
1344 value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node());
1345
1346 if(!add_to_ducks(synfigapp::ValueDesc(value_node,0),canvas_view,transform_stack))
1347 return false;
1348 etl::handle<Duck> vertex_duck(last_duck());
1349 vertex_duck->set_type(Duck::TYPE_VERTEX);
1350 if(!add_to_ducks(synfigapp::ValueDesc(value_node,4),canvas_view,transform_stack))
1351 return false;
1352 etl::handle<Duck> t1_duck(last_duck());
1353
1354 t1_duck->set_origin(vertex_duck);
1355 t1_duck->set_scalar(-TANGENT_HANDLE_SCALE);
1356 t1_duck->set_tangent(true);
1357
1358 etl::handle<Duck> t2_duck;
1359
1360 // If the tangents are split
1361 if((*value_node->get_link("split"))(get_time()).get(bool()))
1362 {
1363 if(!add_to_ducks(synfigapp::ValueDesc(value_node,5),canvas_view,transform_stack))
1364 return false;
1365 t2_duck=last_duck();
1366 t2_duck->set_origin(vertex_duck);
1367 t2_duck->set_scalar(TANGENT_HANDLE_SCALE);
1368 t2_duck->set_tangent(true);
1369 }
1370 else
1371 {
1372 if(!add_to_ducks(synfigapp::ValueDesc(value_node,4),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 return true;
1380 }
1381
1382 }
1383 break;
1384 case ValueBase::TYPE_LIST:
1385 {
1386 // Check for BLine
1387 if (value_desc.is_value_node() &&
1388 ValueNode_BLine::Handle::cast_dynamic(value_desc.get_value_node()))
1389 {
1390 ValueNode_BLine::Handle value_node;
1391 value_node=ValueNode_BLine::Handle::cast_dynamic(value_desc.get_value_node());
1392
1393 int i,first=-1;
1394
1395 etl::handle<Bezier> bezier;
1396 etl::handle<Duck> first_duck;
1397 etl::handle<Duck> duck, tduck;
1398
1399 for (i = 0; i < value_node->link_count(); i++)
1400 {
1401 float amount(value_node->list[i].amount_at_time(get_time()));
1402
1403 // skip vertices that aren't fully on
1404 if (amount < 0.9999f)
1405 continue;
1406
1407 // remember the index of the first vertex we didn't skip
1408 if (first == -1)
1409 first = i;
1410
1411 BLinePoint bline_point((*value_node->get_link(i))(get_time()));
1412
1413 // try casting the vertex to Composite - this tells us whether it is composite or not
1414 ValueNode_Composite::Handle composite_vertex_value_node(
1415 ValueNode_Composite::Handle::cast_dynamic(value_node->get_link(i)));
1416
1417 // add the vertex duck - it's a composite
1418 if(composite_vertex_value_node)
1419 {
1420 if (add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,0),canvas_view,transform_stack))
1421 {
1422 duck=last_duck();
1423 if(i==first)
1424 first_duck=duck;
1425 duck->set_type(Duck::TYPE_VERTEX);
1426
1427 duck->signal_user_click(2).clear();
1428 duck->signal_user_click(2).connect(
1429 sigc::bind(
1430 sigc::bind(
1431 sigc::bind(
1432 sigc::mem_fun(
1433 *canvas_view,
1434 &studio::CanvasView::popup_param_menu),
1435 false),
1436 1.0f),
1437 synfigapp::ValueDesc(value_node,i)));
1438 duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1439
1440 if(param_desc)
1441 {
1442 if(!param_desc->get_origin().empty())
1443 {
1444 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1445 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1446 duck->set_origin(last_duck());
1447 /*
1448 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1449 if(value.same_type_as(synfig::Point()))
1450 duck->set_origin(value.get(synfig::Point()));
1451 */
1452 }
1453 }
1454 }
1455 else
1456 return false;
1457 }
1458 // else it's not a composite
1459 else
1460 {
1461 duck=new Duck(bline_point.get_vertex());
1462 if(i==first)
1463 first_duck=duck;
1464 duck->set_transform_stack(transform_stack);
1465 duck->set_editable(false);
1466 //duck->set_name(strprintf("%x-vertex",value_node->get_link(i).get()));
1467 duck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".v");
1468
1469 duck->set_type(Duck::TYPE_VERTEX);
1470 if(param_desc)
1471 {
1472 if(!param_desc->get_origin().empty())
1473 {
1474 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1475 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1476 duck->set_origin(last_duck());
1477 /*
1478 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1479 if(value.same_type_as(synfig::Point()))
1480 duck->set_origin(value.get(synfig::Point()));
1481 */
1482 }
1483 }
1484 duck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^synfig::GUID::hasher(".v"));
1485 duck=add_similar_duck(duck);
1486 // add_duck(duck);
1487 }
1488
1489 // Add the width duck if it is a parameter with a hint (ie. "width") or if it isn't a parameter
1490 if ((param_desc && !param_desc->get_hint().empty()) ||
1491 !param_desc)
1492 {
1493 etl::handle<Duck> width;
1494 if (add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,1),canvas_view,transform_stack,REAL_COOKIE))
1495 {
1496 width=last_duck();
1497 width->set_origin(duck);
1498 width->set_type(Duck::TYPE_WIDTH);
1499 width->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".w");
1500
1501 // if the bline is a layer's parameter, scale the width duck by the layer's "width" parameter
1502 if (param_desc)
1503 {
1504 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_hint()).get_value(get_time()));
1505 if(value.same_type_as(synfig::Real()))
1506 width->set_scalar(value.get(synfig::Real())*0.5f);
1507 // if it doesn't have a "width" parameter, scale by 0.5f instead
1508 else
1509 width->set_scalar(0.5f);
1510 }
1511 // otherwise just present the raw unscaled width
1512 else
1513 width->set_scalar(0.5f);
1514 }
1515 else
1516 synfig::error("Unable to add width duck!");
1517 }
1518
1519 // each bezier uses t2 of one point and t1 of the next
1520 // the first time through this loop we won't have the t2 duck from the previous vertex
1521 // and so we don't make a bezier. instead we skip on to t2 for this point
1522 if(bezier)
1523 {
1524 // Add the tangent1 duck
1525 if(composite_vertex_value_node)
1526 {
1527 if(!add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,4),canvas_view,transform_stack))
1528 return false;
1529 tduck=last_duck();
1530 }
1531 else
1532 {
1533 tduck=new Duck(bline_point.get_tangent1());
1534 tduck->set_transform_stack(transform_stack);
1535 tduck->set_editable(false);
1536 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".t1");
1537 // tduck->set_name(strprintf("%x-tangent1",value_node->get_link(i).get()));
1538 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^synfig::GUID::hasher(".t1"));
1539 tduck=add_similar_duck(tduck);
1540 // add_duck(duck);
1541 }
1542
1543 tduck->set_origin(duck);
1544 tduck->set_scalar(-TANGENT_BEZIER_SCALE);
1545 tduck->set_tangent(true);
1546
1547 bezier->p2=duck;
1548 bezier->c2=tduck;
1549
1550 bezier->signal_user_click(2).connect(
1551 sigc::bind(
1552 sigc::mem_fun(
1553 *canvas_view,
1554 &studio::CanvasView::popup_param_menu_bezier),
1555 synfigapp::ValueDesc(value_node,i)));
1556
1557 duck->signal_user_click(2).clear();
1558 duck->signal_user_click(2).connect(
1559 sigc::bind(
1560 sigc::bind(
1561 sigc::bind(
1562 sigc::mem_fun(
1563 *canvas_view,
1564 &studio::CanvasView::popup_param_menu),
1565 false),
1566 1.0f),
1567 synfigapp::ValueDesc(value_node,i)));
1568 duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1569
1570 add_bezier(bezier);
1571 bezier=0;
1572 }
1573
1574 // don't start a new bezier for the last point in the line if we're not looped
1575 if(i+1>=value_node->link_count() && !value_node->get_loop())
1576 continue;
1577
1578 bezier=new Bezier();
1579
1580 // Add the tangent2 duck
1581 if(composite_vertex_value_node)
1582 {
1583 int i=bline_point.get_split_tangent_flag()?5:4;
1584 if(!add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,i),canvas_view,transform_stack,0,2))
1585 return false;
1586 tduck=last_duck();
1587 }
1588 else
1589 {
1590 if(bline_point.get_split_tangent_flag())
1591 tduck=new Duck(bline_point.get_tangent2());
1592 else
1593 tduck=new Duck(bline_point.get_tangent1());
1594
1595 tduck->set_transform_stack(transform_stack);
1596 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".t2");
1597 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^synfig::GUID::hasher(".t2"));
1598 tduck->set_editable(false);
1599 tduck=add_similar_duck(tduck);
1600 // add_duck(duck);
1601 if(param_desc)
1602 {
1603 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1604 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1605 duck->set_origin(last_duck());
1606 /*
1607 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1608 if(value.same_type_as(synfig::Point()))
1609 duck->set_origin(value.get(synfig::Point()));
1610 */
1611 // if(!param_desc->get_origin().empty())
1612 // duck->set_origin(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()).get(synfig::Point()));
1613 }
1614 duck->signal_user_click(2).clear();
1615 duck->signal_user_click(2).connect(
1616 sigc::bind(
1617 sigc::bind(
1618 sigc::bind(
1619 sigc::mem_fun(
1620 *canvas_view,
1621 &studio::CanvasView::popup_param_menu),
1622 false),
1623 1.0f),
1624 synfigapp::ValueDesc(value_node,i)));
1625 duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1626
1627 }
1628
1629 tduck->set_origin(duck);
1630 tduck->set_scalar(TANGENT_BEZIER_SCALE);
1631 tduck->set_tangent(true);
1632
1633 bezier->p1=duck;
1634 bezier->c1=tduck;
1635 }
1636
1637 // Loop if necessary
1638 if(bezier && value_node->get_loop())
1639 {
1640 BLinePoint bline_point((*value_node->get_link(first))(get_time()));
1641
1642 ValueNode_Composite::Handle composite_vertex_value_node(
1643 ValueNode_Composite::Handle::cast_dynamic(
1644 value_node->get_link(first)));
1645
1646 // Add the vertex duck
1647 duck=first_duck;
1648
1649 // Add the tangent1 duck
1650 if(composite_vertex_value_node)
1651 {
1652 if(!add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,4),canvas_view,transform_stack))
1653 return false;
1654 tduck=last_duck();
1655 }
1656 else
1657 {
1658 tduck=new Duck(bline_point.get_tangent1());
1659 tduck->set_transform_stack(transform_stack);
1660 tduck->set_editable(false);
1661 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,first))+".t1");
1662 //tduck->set_name(strprintf("%x-tangent1",value_node->get_link(first).get()));
1663 tduck=add_similar_duck(tduck);
1664 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,first),transform_stack)^synfig::GUID::hasher(".t1"));
1665 //add_duck(duck);
1666 }
1667
1668 tduck->set_origin(duck);
1669 tduck->set_scalar(-TANGENT_BEZIER_SCALE);
1670 tduck->set_tangent(true);
1671
1672 bezier->p2=duck;
1673 bezier->c2=tduck;
1674
1675 bezier->signal_user_click(2).connect(
1676 sigc::bind(
1677 sigc::mem_fun(
1678 *canvas_view,
1679 &studio::CanvasView::popup_param_menu_bezier),
1680 synfigapp::ValueDesc(value_node,first)));
1681
1682 duck->signal_user_click(2).clear();
1683 duck->signal_user_click(2).connect(
1684 sigc::bind(
1685 sigc::bind(
1686 sigc::bind(
1687 sigc::mem_fun(
1688 *canvas_view,
1689 &studio::CanvasView::popup_param_menu),
1690 false),
1691 1.0f),
1692 synfigapp::ValueDesc(value_node,first)));
1693 duck->set_value_desc(synfigapp::ValueDesc(value_node,first));
1694
1695 add_bezier(bezier);
1696 bezier=0;
1697 }
1698 return true;
1699 }
1700 else // Check for DynamicList
1701 if(value_desc.is_value_node() &&
1702 ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_value_node()))
1703 {
1704 ValueNode_DynamicList::Handle value_node;
1705 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_value_node());
1706 int i;
1707
1708 if(value_node->get_contained_type()==ValueBase::TYPE_VECTOR)
1709 {
1710 Bezier bezier;
1711 etl::handle<Duck> first_duck, duck;
1712 int first = -1;
1713 for(i=0;i<value_node->link_count();i++)
1714 {
1715 if(!value_node->list[i].status_at_time(get_time()))
1716 continue;
1717 if(!add_to_ducks(synfigapp::ValueDesc(value_node,i),canvas_view,transform_stack))
1718 return false;
1719 duck = last_duck();
1720
1721 // remember the index of the first vertex we didn't skip
1722 if (first == -1)
1723 {
1724 first = i;
1725 first_duck = duck;
1726 }
1727
1728 if(param_desc)
1729 {
1730 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1731 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1732 duck->set_origin(last_duck());
1733 /*
1734 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1735 if(value.same_type_as(synfig::Point()))
1736 duck->set_origin(value.get(synfig::Point()));
1737 */
1738 // if(!param_desc->get_origin().empty())
1739 // last_duck()->set_origin(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()).get(synfig::Point()));
1740 }
1741 duck->set_type(Duck::TYPE_VERTEX);
1742 bezier.p1=bezier.p2;bezier.c1=bezier.c2;
1743 bezier.p2=bezier.c2=duck;
1744
1745 if (first != i)
1746 {
1747 handle<Bezier> bezier_(new Bezier());
1748 bezier_->p1=bezier.p1;
1749 bezier_->c1=bezier.c1;
1750 bezier_->p2=bezier.p2;
1751 bezier_->c2=bezier.c2;
1752 add_bezier(bezier_);
1753 last_bezier()->signal_user_click(2).connect(
1754 sigc::bind(
1755 sigc::mem_fun(
1756 *canvas_view,
1757 &studio::CanvasView::popup_param_menu_bezier),
1758 synfigapp::ValueDesc(value_node,i)));
1759 }
1760 }
1761
1762 if (value_node->get_loop() && first != -1 && first_duck != duck)
1763 {
1764 duck = first_duck;
1765
1766 bezier.p1=bezier.p2;bezier.c1=bezier.c2;
1767 bezier.p2=bezier.c2=duck;
1768
1769 handle<Bezier> bezier_(new Bezier());
1770 bezier_->p1=bezier.p1;
1771 bezier_->c1=bezier.c1;
1772 bezier_->p2=bezier.p2;
1773 bezier_->c2=bezier.c2;
1774 add_bezier(bezier_);
1775 last_bezier()->signal_user_click(2).connect(
1776 sigc::bind(
1777 sigc::mem_fun(
1778 *canvas_view,
1779 &studio::CanvasView::popup_param_menu_bezier),
1780 synfigapp::ValueDesc(value_node,first)));
1781 }
1782 }
1783 else if(value_node->get_contained_type()==ValueBase::TYPE_SEGMENT)
1784 {
1785 for(i=0;i<value_node->link_count();i++)
1786 {
1787 if(!value_node->list[i].status_at_time(get_time()))
1788 continue;
1789 if(!add_to_ducks(synfigapp::ValueDesc(value_node,i),canvas_view,transform_stack))
1790 return false;
1791 }
1792 }
1793 else
1794 return false;
1795 }
1796 else
1797 {
1798 // WRITEME
1799 }
1800
1801 return true;
1802 }
1803
1804 break;
1805 default:
1806 break;
1807 }
1808 return false;
1809 }
Synfig 2D Animation Studio