1 /* === S Y N F I G ========================================================= */
2 /*! \file duckmatic.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
10 ** Copyright (c) 2009 Nikita Kitaev
12 ** This package is free software; you can redistribute it and/or
13 ** modify it under the terms of the GNU General Public License as
14 ** published by the Free Software Foundation; either version 2 of
15 ** the License, or (at your option) any later version.
17 ** This package is distributed in the hope that it will be useful,
18 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ** General Public License for more details.
23 /* ========================================================================= */
25 /* === H E A D E R S ======================================================= */
37 #include <ETL/hermite>
39 #include "duckmatic.h"
40 #include <synfigapp/value_desc.h>
41 #include <synfigapp/canvasinterface.h>
42 #include <synfig/general.h>
43 #include <synfig/paramdesc.h>
44 #include <synfig/valuenode_timedswap.h>
45 #include <synfig/valuenode_animated.h>
46 #include <synfig/valuenode_composite.h>
47 #include <synfig/valuenode_range.h>
48 #include <synfig/valuenode_scale.h>
49 #include <synfig/valuenode_bline.h>
50 #include <synfig/valuenode_blinecalctangent.h>
51 #include <synfig/valuenode_blinecalcvertex.h>
52 #include <synfig/valuenode_blinecalcwidth.h>
54 #include <synfig/curve_helper.h>
56 #include <sigc++/retype_return.h>
57 #include <sigc++/retype.h>
58 #include <sigc++/hide.h>
59 #include <sigc++/bind.h>
61 #include "canvasview.h"
63 #include "onemoment.h"
69 /* === U S I N G =========================================================== */
73 using namespace synfig;
74 using namespace studio;
76 /* === M A C R O S ========================================================= */
78 /* 0.33333333333333333 makes for nice short tangent handles,
79 1.0 makes them draw as their real length */
80 #define TANGENT_HANDLE_SCALE 0.33333333333333333
82 /* leave this alone or the bezier won't lie on top of the bline */
83 #define TANGENT_BEZIER_SCALE 0.33333333333333333
85 /* === G L O B A L S ======================================================= */
87 /* === P R O C E D U R E S ================================================= */
89 /* === M E T H O D S ======================================================= */
91 /* === E N T R Y P O I N T ================================================= */
93 Duckmatic::Duckmatic(etl::loose_handle<synfigapp::CanvasInterface> canvas_interface):
94 canvas_interface(canvas_interface),
95 type_mask(Duck::TYPE_ALL-Duck::TYPE_WIDTH),
98 grid_size(1.0/4.0,1.0/4.0),
99 show_persistent_strokes(true)
102 drag_offset_=Point(0,0);
103 clear_duck_dragger();
106 Duckmatic::~Duckmatic()
110 if (Duck::duck_count)
111 synfig::error("%d ducks not yet deleted!", Duck::duck_count);
113 if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
114 synfig::info("Duckmatic::~Duckmatic(): Deleted");
118 Duckmatic::clear_ducks()
120 duck_data_share_map.clear();
123 //duck_list_.clear();
124 bezier_list_.clear();
125 stroke_list_.clear();
127 if(show_persistent_strokes)
128 stroke_list_=persistent_stroke_list_;
133 Duckmatic::duck_is_selected(const etl::handle<Duck> &duck)const
135 return duck && selected_ducks.count(duck->get_guid());
139 Duckmatic::set_grid_size(const synfig::Vector &s)
144 signal_grid_changed();
149 Duckmatic::set_grid_snap(bool x)
154 signal_grid_changed();
159 Duckmatic::set_guide_snap(bool x)
164 signal_grid_changed();
168 Duckmatic::GuideList::iterator
169 Duckmatic::find_guide_x(synfig::Point pos, float radius)
171 GuideList::iterator iter,best(guide_list_x_.end());
173 for(iter=guide_list_x_.begin();iter!=guide_list_x_.end();++iter)
175 float amount(abs(*iter-pos[0]));
185 Duckmatic::GuideList::iterator
186 Duckmatic::find_guide_y(synfig::Point pos, float radius)
188 GuideList::iterator iter,best(guide_list_y_.end());
190 for(iter=guide_list_y_.begin();iter!=guide_list_y_.end();++iter)
192 float amount(abs(*iter-pos[1]));
203 Duckmatic::clear_selected_ducks()
205 selected_ducks.clear();
206 signal_duck_selection_changed_();
209 etl::handle<Duckmatic::Duck>
210 Duckmatic::get_selected_duck()const
212 if(selected_ducks.empty() || duck_map.empty())
214 return duck_map.find(*selected_ducks.begin())->second;
218 Duckmatic::refresh_selected_ducks()
221 std::set<etl::handle<Duck> >::iterator iter;
222 std::set<etl::handle<Duck> > new_set;
223 if(duck_list().empty())
225 selected_duck_list.clear();
226 signal_duck_selection_changed_();
230 for(iter=selected_duck_list.begin();iter!=selected_duck_list.end();++iter)
232 etl::handle<Duck> similar(find_similar_duck(*iter));
235 new_set.insert(similar);
238 selected_duck_list=new_set;
240 GUIDSet old_set(selected_ducks);
241 GUIDSet::const_iterator iter;
243 for(iter=old_set.begin();iter!=old_set.end();++iter)
245 if(duck_map.count(*iter)==0)
246 selected_ducks.erase(*iter);
249 signal_duck_selection_changed_();
253 Duckmatic::is_duck_group_selectable(const etl::handle<Duck>& x)const
255 const Type type(get_type_mask());
257 if (((x->get_type() && (!(type & x->get_type()))) ||
261 synfigapp::ValueDesc value_desc(x->get_value_desc());
262 if(value_desc.parent_is_layer_param() && type & Duck::TYPE_POSITION)
264 Layer::Handle layer(value_desc.get_layer());
265 String layer_name(layer->get_name());
267 if (layer_name == "outline" || layer_name == "region" || layer_name == "plant" ||
268 layer_name == "polygon" || layer_name == "curve_gradient")
271 if((layer_name=="PasteCanvas"|| layer_name=="paste_canvas") &&
272 !layer->get_param("children_lock").get(bool()))
275 else if (value_desc.parent_is_value_node())
277 if (ValueNode_BLineCalcVertex::Handle::cast_dynamic(value_desc.get_value_node()))
279 if (value_desc.parent_is_linkable_value_node())
281 LinkableValueNode::Handle parent_value_node(value_desc.get_parent_value_node());
282 if (ValueNode_Composite::Handle::cast_dynamic(parent_value_node))
284 if (parent_value_node->get_type() == ValueBase::TYPE_BLINEPOINT &&
285 ValueNode_BLineCalcVertex::Handle::cast_dynamic(
286 parent_value_node->get_link("point")))
289 else if (ValueNode_BLine::Handle::cast_dynamic(parent_value_node))
291 ValueNode_Composite::Handle composite(ValueNode_Composite::Handle::cast_dynamic(
292 value_desc.get_value_node()));
294 ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))
303 Duckmatic::select_all_ducks()
305 DuckMap::const_iterator iter;
306 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
307 if(is_duck_group_selectable(iter->second))
308 select_duck(iter->second);
310 unselect_duck(iter->second);
314 Duckmatic::unselect_all_ducks()
316 DuckMap::const_iterator iter;
317 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
318 unselect_duck(iter->second);
322 Duckmatic::toggle_select_ducks_in_box(const synfig::Vector& tl,const synfig::Vector& br)
325 vmin[0]=std::min(tl[0],br[0]);
326 vmin[1]=std::min(tl[1],br[1]);
327 vmax[0]=std::max(tl[0],br[0]);
328 vmax[1]=std::max(tl[1],br[1]);
330 DuckMap::const_iterator iter;
331 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
333 Point p(iter->second->get_trans_point());
334 if(p[0]<=vmax[0] && p[0]>=vmin[0] && p[1]<=vmax[1] && p[1]>=vmin[1] &&
335 is_duck_group_selectable(iter->second))
336 toggle_select_duck(iter->second);
341 Duckmatic::select_ducks_in_box(const synfig::Vector& tl,const synfig::Vector& br)
344 vmin[0]=std::min(tl[0],br[0]);
345 vmin[1]=std::min(tl[1],br[1]);
346 vmax[0]=std::max(tl[0],br[0]);
347 vmax[1]=std::max(tl[1],br[1]);
349 // Type type(get_type_mask());
351 DuckMap::const_iterator iter;
352 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
354 Point p(iter->second->get_trans_point());
355 if(p[0]<=vmax[0] && p[0]>=vmin[0] && p[1]<=vmax[1] && p[1]>=vmin[1])
357 if(is_duck_group_selectable(iter->second))
358 select_duck(iter->second);
364 Duckmatic::count_selected_ducks()const
366 return selected_ducks.size();
370 Duckmatic::select_duck(const etl::handle<Duck> &duck)
374 selected_ducks.insert(duck->get_guid());
375 signal_duck_selection_changed_();
380 Duckmatic::get_selected_ducks()const
383 GUIDSet::const_iterator iter;
384 const Type type(get_type_mask());
386 for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
388 const DuckMap::const_iterator d_iter(duck_map.find(*iter));
390 if(d_iter==duck_map.end())
393 if(( d_iter->second->get_type() && (!(type & d_iter->second->get_type())) ) )
396 ret.push_back(d_iter->second);
402 Duckmatic::get_duck_list()const
405 DuckMap::const_iterator iter;
406 for(iter=duck_map.begin();iter!=duck_map.end();++iter) if (iter->second->get_type()&Duck::TYPE_POSITION) ret.push_back(iter->second);
407 for(iter=duck_map.begin();iter!=duck_map.end();++iter) if (iter->second->get_type()&Duck::TYPE_VERTEX ) ret.push_back(iter->second);
408 for(iter=duck_map.begin();iter!=duck_map.end();++iter) if (iter->second->get_type()&Duck::TYPE_TANGENT ) ret.push_back(iter->second);
409 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
410 if (!(iter->second->get_type()&Duck::TYPE_POSITION) &&
411 !(iter->second->get_type()&Duck::TYPE_VERTEX) &&
412 !(iter->second->get_type()&Duck::TYPE_TANGENT))
413 ret.push_back(iter->second);
418 Duckmatic::unselect_duck(const etl::handle<Duck> &duck)
420 if(duck && selected_ducks.count(duck->get_guid()))
422 selected_ducks.erase(duck->get_guid());
423 signal_duck_selection_changed_();
428 Duckmatic::toggle_select_duck(const etl::handle<Duck> &duck)
430 if(duck_is_selected(duck))
437 Duckmatic::translate_selected_ducks(const synfig::Vector& vector)
440 duck_dragger_->duck_drag(this,vector);
444 Duckmatic::start_duck_drag(const synfig::Vector& offset)
447 duck_dragger_->begin_duck_drag(this,offset);
449 //drag_offset_=offset;
450 drag_offset_=find_duck(offset)->get_trans_point();
454 Duckmatic::update_ducks()
456 Time time(get_time());
457 DuckList duck_list(get_duck_list());
458 const DuckList selected_ducks(get_selected_ducks());
459 DuckList::const_iterator iter;
460 for (iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter)
462 etl::handle<Duck> duck(*iter);
463 if (duck->get_type() == Duck::TYPE_VERTEX || duck->get_type() == Duck::TYPE_POSITION)
465 ValueNode_BLineCalcVertex::Handle bline_vertex;
466 ValueNode_Composite::Handle composite;
468 if ((bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) ||
469 ((composite = ValueNode_Composite::Handle::cast_dynamic(duck->get_value_desc().get_value_node())) &&
470 composite->get_type() == ValueBase::TYPE_BLINEPOINT &&
471 (bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(composite->get_link("point")))))
473 DuckList::iterator iter;
474 for (iter=duck_list.begin(); iter!=duck_list.end(); iter++)
475 if ( (*iter)->get_origin_duck()==duck /*&& !duck_is_selected(*iter)*/ )
477 synfig::Real radius = 0.0;
478 ValueNode_BLine::Handle bline(ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link("bline")));
479 Real amount = synfig::find_closest_point((*bline)(time), duck->get_point(), radius, bline->get_loop());
481 ValueNode::Handle vertex_amount_value_node(bline_vertex->get_link("amount"));
484 ValueNode::Handle duck_value_node((*iter)->get_value_desc().get_value_node());
485 if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(duck_value_node))
487 if (bline_tangent->get_link("amount") == vertex_amount_value_node)
489 switch (bline_tangent->get_type())
491 case ValueBase::TYPE_ANGLE:
493 Angle angle((*bline_tangent)(time, amount).get(Angle()));
494 (*iter)->set_point(Point(Angle::cos(angle).get(), Angle::sin(angle).get()));
495 (*iter)->set_rotations(Angle::deg(0)); //hack: rotations are a relative value
498 case ValueBase::TYPE_REAL:
499 (*iter)->set_point(Point((*bline_tangent)(time, amount).get(Real()), 0));
501 case ValueBase::TYPE_VECTOR:
502 (*iter)->set_point((*bline_tangent)(time, amount).get(Vector()));
509 else if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(duck_value_node))
511 if (bline_width->get_link("amount") == vertex_amount_value_node)
512 (*iter)->set_point(Point((*bline_width)(time, amount).get(Real()), 0));
522 Duckmatic::end_duck_drag()
525 return duck_dragger_->end_duck_drag(this);
530 Duckmatic::snap_point_to_grid(const synfig::Point& x, float radius)const
534 GuideList::const_iterator guide_x,guide_y;
535 bool has_guide_x(false), has_guide_y(false);
537 guide_x=find_guide_x(ret,radius);
538 if(guide_x!=guide_list_x_.end())
541 guide_y=find_guide_y(ret,radius);
542 if(guide_y!=guide_list_y_.end())
548 floor(ret[0]/get_grid_size()[0]+0.5)*get_grid_size()[0],
549 floor(ret[1]/get_grid_size()[1]+0.5)*get_grid_size()[1]);
551 if(abs(snap[0]-ret[0])<=radius && (!has_guide_x || abs(snap[0]-ret[0])<=abs(*guide_x-ret[0])))
552 ret[0]=snap[0],has_guide_x=false;
553 if(abs(snap[1]-ret[1])<=radius && (!has_guide_y || abs(snap[1]-ret[1])<=abs(*guide_y-ret[1])))
554 ret[1]=snap[1],has_guide_y=false;
568 if(abs(ret[0])<abs(ret[1]))
579 DuckDrag_Translate::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
581 last_translate_=Vector(0,0);
583 drag_offset_=duckmatic->find_duck(offset)->get_trans_point();
588 const DuckList selected_ducks(duckmatic->get_selected_ducks());
589 DuckList::const_iterator iter;
592 for(iter=selected_ducks.begin();iter!=selected_ducks.end();++iter)
594 Point p((*iter)->get_trans_point());
595 positions.push_back(p);
600 DuckDrag_Translate::end_duck_drag(Duckmatic* duckmatic)
602 if(last_translate_.mag()>0.0001)
604 duckmatic->signal_edited_selected_ducks();
609 duckmatic->signal_user_click_selected_ducks(0);
615 DuckDrag_Translate::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
617 const DuckList selected_ducks(duckmatic->get_selected_ducks());
618 DuckList::const_iterator iter;
620 synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-drag_offset_);
622 Time time(duckmatic->get_time());
624 // drag the vertex and position ducks first
625 for (i=0,iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter,i++)
626 if((*iter)->get_type() == Duck::TYPE_VERTEX || (*iter)->get_type() == Duck::TYPE_POSITION)
627 (*iter)->set_trans_point(positions[i]+vect, time);
629 // then drag the others
630 for (i=0,iter=selected_ducks.begin(); iter!=selected_ducks.end(); ++iter,i++)
631 if ((*iter)->get_type() != Duck::TYPE_VERTEX && (*iter)->get_type() != Duck::TYPE_POSITION)
632 (*iter)->set_trans_point(positions[i]+vect, time);
634 // then patch up the tangents for the vertices we've moved
635 duckmatic->update_ducks();
637 last_translate_=vect;
642 Duckmatic::signal_user_click_selected_ducks(int button)
644 const DuckList ducks(get_selected_ducks());
645 DuckList::const_iterator iter;
647 for(iter=ducks.begin();iter!=ducks.end();++iter)
649 (*iter)->signal_user_click(button)();
655 Duckmatic::signal_edited_selected_ducks()
657 const DuckList ducks(get_selected_ducks());
658 DuckList::const_iterator iter;
660 synfig::GUIDSet old_set(selected_ducks);
662 // If we have more than 20 things to move, then display
663 // something to explain that it may take a moment
664 smart_ptr<OneMoment> wait; if(ducks.size()>20)wait.spawn();
666 // Go ahead and call everyone's signals
667 for(iter=ducks.begin();iter!=ducks.end();++iter)
669 if ((*iter)->get_type() == Duck::TYPE_ANGLE)
671 if(!(*iter)->signal_edited_angle()((*iter)->get_rotations()))
673 selected_ducks=old_set;
674 throw String("Bad edit");
677 else if (App::restrict_radius_ducks &&
678 (*iter)->is_radius())
680 Point point((*iter)->get_point());
681 bool changed = false;
694 if (changed) (*iter)->set_point(point);
696 if(!(*iter)->signal_edited()(point))
698 selected_ducks=old_set;
699 throw String("Bad edit");
704 if(!(*iter)->signal_edited()((*iter)->get_point()))
706 selected_ducks=old_set;
707 throw String("Bad edit");
711 selected_ducks=old_set;
716 Duckmatic::on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc)
718 switch(value_desc.get_value_type())
720 case ValueBase::TYPE_REAL:
721 return canvas_interface->change_value(value_desc,value.mag());
722 case ValueBase::TYPE_ANGLE:
723 return canvas_interface->change_value(value_desc,Angle::tan(value[1],value[0]));
725 return canvas_interface->change_value(value_desc,value);
730 Duckmatic::on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc)
732 // \todo will this really always be the case?
733 assert(value_desc.get_value_type() == ValueBase::TYPE_ANGLE);
734 return canvas_interface->change_value(value_desc, value_desc.get_value(get_time()).get(Angle()) + rotation);
738 Duckmatic::add_duck(const etl::handle<Duck> &duck)
740 //if(!duck_map.count(duck->get_guid()))
742 if(duck_data_share_map.count(duck->get_data_guid()))
744 duck->set_shared_point(duck_data_share_map[duck->get_data_guid()]);
748 etl::smart_ptr<synfig::Point> point(new Point(duck->get_point()));
749 duck->set_shared_point(point);
750 duck_data_share_map[duck->get_data_guid()]=point;
753 duck_map.insert(duck);
756 last_duck_guid=duck->get_guid();
760 Duckmatic::add_bezier(const etl::handle<Bezier> &bezier)
762 bezier_list_.push_back(bezier);
766 Duckmatic::add_stroke(etl::smart_ptr<std::list<synfig::Point> > stroke_point_list, const synfig::Color& color)
768 assert(stroke_point_list);
770 std::list<etl::handle<Stroke> >::iterator iter;
772 for(iter=stroke_list_.begin();iter!=stroke_list_.end();++iter)
774 if((*iter)->stroke_data==stroke_point_list)
778 etl::handle<Stroke> stroke(new Stroke());
780 stroke->stroke_data=stroke_point_list;
783 stroke_list_.push_back(stroke);
787 Duckmatic::add_persistent_stroke(etl::smart_ptr<std::list<synfig::Point> > stroke_point_list, const synfig::Color& color)
789 add_stroke(stroke_point_list,color);
790 persistent_stroke_list_.push_back(stroke_list_.back());
794 Duckmatic::clear_persistent_strokes()
796 persistent_stroke_list_.clear();
800 Duckmatic::set_show_persistent_strokes(bool x)
802 if(x!=show_persistent_strokes)
804 show_persistent_strokes=x;
806 stroke_list_=persistent_stroke_list_;
808 stroke_list_.clear();
813 Duckmatic::erase_duck(const etl::handle<Duck> &duck)
815 duck_map.erase(duck->get_guid());
818 etl::handle<Duckmatic::Duck>
819 Duckmatic::find_similar_duck(etl::handle<Duck> duck)
821 DuckMap::const_iterator iter(duck_map.find(duck->get_guid()));
822 if(iter!=duck_map.end())
826 /* std::list<handle<Duck> >::reverse_iterator iter;
828 for(iter=duck_list_.rbegin();iter!=duck_list_.rend();++iter)
830 if(*iter!=duck && **iter==*duck)
832 //synfig::info("Found similar duck! (iter:%08x vs. duck:%08x)",iter->get(), duck.get());
840 etl::handle<Duckmatic::Duck>
841 Duckmatic::add_similar_duck(etl::handle<Duck> duck)
843 etl::handle<Duck> similar(find_similar_duck(duck));
853 Duckmatic::erase_bezier(const etl::handle<Bezier> &bezier)
855 std::list<handle<Bezier> >::iterator iter;
857 for(iter=bezier_list_.begin();iter!=bezier_list_.end();++iter)
861 bezier_list_.erase(iter);
865 synfig::warning("Unable to find bezier to erase!");
868 etl::handle<Duckmatic::Duck>
869 Duckmatic::last_duck()const
871 DuckMap::const_iterator iter(duck_map.find(last_duck_guid));
872 if(iter!=duck_map.end())
877 etl::handle<Duckmatic::Bezier>
878 Duckmatic::last_bezier()const
880 return bezier_list_.back();
883 etl::handle<Duckmatic::Duck>
884 Duckmatic::find_duck(synfig::Point point, synfig::Real radius, Duck::Type type)
886 if(radius==0)radius=10000000;
888 if(type==Duck::TYPE_DEFAULT)
889 type=get_type_mask();
891 Real closest(10000000);
892 etl::handle<Duck> ret;
894 DuckMap::const_iterator iter;
896 for(iter=duck_map.begin();iter!=duck_map.end();++iter)
898 const Duck::Handle& duck(iter->second);
900 if(duck->get_ignore() ||
901 (duck->get_type() && !(type & duck->get_type())))
904 Real dist((duck->get_trans_point()-point).mag_squared());
906 if(duck->get_type()&Duck::TYPE_VERTEX)
908 else if(duck->get_type()&Duck::TYPE_TANGENT && duck->get_scalar()>0)
910 else if(duck->get_type()&Duck::TYPE_RADIUS)
920 if(radius==0 || closest<radius*radius)
926 etl::handle<Duckmatic::Bezier>
927 Duckmatic::find_bezier(synfig::Point point, synfig::Real radius,float* location)
929 return find_bezier(point,radius,radius,location);
932 etl::handle<Duckmatic::Bezier>
933 Duckmatic::find_bezier(synfig::Point pos, synfig::Real scale, synfig::Real radius, float* location)
935 if(radius==0)radius=10000000;
936 Real closest(10000000);
937 etl::handle<Bezier> ret;
945 for(std::list<handle<Bezier> >::const_iterator iter=bezier_list().begin();iter!=bezier_list().end();++iter)
947 curve[0] = (*iter)->p1->get_trans_point();
948 curve[1] = (*iter)->c1->get_trans_point();
949 curve[2] = (*iter)->c2->get_trans_point();
950 curve[3] = (*iter)->p2->get_trans_point();
954 // I don't know why this doesn't work
955 time=curve.find_closest(pos,6);
956 d=((curve(time)-pos).mag_squared());
959 //set the step size based on the size of the picture
960 d = (curve[1] - curve[0]).mag() + (curve[2]-curve[1]).mag() + (curve[3]-curve[2]).mag();
962 step = d/(2*scale); //want to make the distance between lines happy
964 step = max(step,0.01); //100 samples should be plenty
965 step = min(step,0.1); //10 is minimum
967 d = find_closest(curve,pos,step,&closest,&time);
978 if(closest < radius*radius)
981 *location = best_time; // We need to square-root this because we were dealing with squared distances
990 Duckmatic::save_sketch(const synfig::String& filename)const
992 ChangeLocale change_locale(LC_NUMERIC, "C");
993 std::ofstream file(filename.c_str());
995 if(!file)return false;
997 file<<"SKETCH"<<endl;
999 std::list<etl::handle<Stroke> >::const_iterator iter;
1001 for(iter=persistent_stroke_list_.begin();iter!=persistent_stroke_list_.end();++iter)
1004 <<(*iter)->color.get_r()<<' '
1005 <<(*iter)->color.get_g()<<' '
1006 <<(*iter)->color.get_b()
1008 std::list<synfig::Point>::const_iterator viter;
1009 for(viter=(*iter)->stroke_data->begin();viter!=(*iter)->stroke_data->end();++viter)
1017 if(!file)return false;
1018 sketch_filename_=filename;
1019 signal_sketch_saved_();
1024 Duckmatic::load_sketch(const synfig::String& filename)
1026 ChangeLocale change_locale(LC_NUMERIC, "C");
1027 std::ifstream file(filename.c_str());
1037 synfig::error("Not a sketch");
1041 etl::smart_ptr<std::list<synfig::Point> > stroke_data;
1055 stroke_data.spawn();
1057 if(!strscanf(line,"C %f %f %f",&r, &g, &b))
1059 synfig::warning("Bad color line \"%s\"",line.c_str());
1062 add_persistent_stroke(stroke_data, synfig::Color(r,g,b));
1069 stroke_data.spawn();
1070 add_persistent_stroke(stroke_data, synfig::Color(0,0,0));
1073 if(!strscanf(line,"V %f %f",&x, &y))
1074 synfig::warning("Bad vertex \"%s\"",line.c_str());
1076 stroke_data->push_back(synfig::Vector(x,y));
1079 synfig::warning("Unexpected sketch token '%c'",line[0]);
1084 sketch_filename_=filename;
1088 Duckmatic::Push::Push(Duckmatic *duckmatic_):
1089 duckmatic_(duckmatic_)
1091 duck_map=duckmatic_->duck_map;
1092 bezier_list_=duckmatic_->bezier_list_;
1093 duck_data_share_map=duckmatic_->duck_data_share_map;
1094 stroke_list_=duckmatic_->stroke_list_;
1095 duck_dragger_=duckmatic_->duck_dragger_;
1099 Duckmatic::Push::~Push()
1106 Duckmatic::Push::restore()
1108 duckmatic_->duck_map=duck_map;
1109 duckmatic_->bezier_list_=bezier_list_;
1110 duckmatic_->duck_data_share_map=duck_data_share_map;
1111 duckmatic_->stroke_list_=stroke_list_;
1112 duckmatic_->duck_dragger_=duck_dragger_;
1113 needs_restore=false;
1116 inline String guid_string(const synfigapp::ValueDesc& x)
1118 if(x.parent_is_layer_param())
1119 return strprintf("%s",x.get_layer()->get_guid().get_string().c_str())+x.get_param_name();
1120 //if(x.is_value_node())
1121 return strprintf("%s",x.get_value_node()->get_guid().get_string().c_str());
1124 inline synfig::GUID calc_duck_guid(const synfigapp::ValueDesc& x,const synfig::TransformStack& transform_stack)
1126 synfig::GUID ret(0);
1128 if(x.parent_is_layer_param())
1130 ret=x.get_layer()->get_guid()^synfig::GUID::hasher(x.get_param_name());
1134 ret=x.get_value_node()->get_guid();
1137 ret^=transform_stack.get_guid();
1143 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)
1145 synfig::GUID duck_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(modifier));
1146 etl::handle<Duck> duck=new Duck();
1153 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)
1155 ValueBase::Type type=value_desc.get_value_type();
1156 #define REAL_COOKIE reinterpret_cast<synfig::ParamDesc*>(28)
1159 case ValueBase::TYPE_REAL:
1161 if(!param_desc || param_desc==REAL_COOKIE || !param_desc->get_origin().empty())
1163 etl::handle<Duck> duck=new Duck();
1164 duck->set_transform_stack(transform_stack);
1165 duck->set_radius(true);
1166 duck->set_type(Duck::TYPE_RADIUS);
1168 // put the duck on the right hand side of the center
1169 duck->set_point(Point(value_desc.get_value(get_time()).get(Real()), 0));
1170 duck->set_name(guid_string(value_desc));
1171 if(value_desc.is_value_node())
1173 // If the ValueNode can be directly manipulated,
1174 // then set it as so.
1175 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1179 duck->set_editable(true);
1182 if(param_desc && param_desc!=REAL_COOKIE)
1184 if(!param_desc->get_origin().empty())
1186 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1188 duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1190 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1191 duck->set_origin(last_duck());
1193 duck->set_scalar(param_desc->get_scalar());
1196 duck->signal_edited().clear(); // value_desc.get_value_type() == ValueBase::TYPE_REAL:
1197 duck->signal_edited().connect(
1201 &studio::Duckmatic::on_duck_changed),
1203 duck->set_value_desc(value_desc);
1205 duck->signal_user_click(2).connect(
1211 &studio::CanvasView::popup_param_menu),
1216 duck->set_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(multiple));
1224 case ValueBase::TYPE_ANGLE:
1226 if(!param_desc || param_desc==REAL_COOKIE || !param_desc->get_origin().empty())
1228 etl::handle<Duck> duck=new Duck();
1229 duck->set_type(Duck::TYPE_ANGLE);
1230 duck->set_transform_stack(transform_stack);
1231 synfig::Angle angle;
1233 angle=value_desc.get_value(get_time()).get(Angle());
1234 duck->set_point(Point(Angle::cos(angle).get(),Angle::sin(angle).get()));
1235 duck->set_name(guid_string(value_desc));
1236 if(value_desc.is_value_node())
1238 ValueNode::Handle value_node=value_desc.get_value_node();
1239 //duck->set_name(strprintf("%x",value_node.get()));
1241 // If the ValueNode can be directly manipulated,
1242 // then set it as so.
1243 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1247 //angle=(value_desc.get_value().get(Angle()));
1248 //duck->set_point(Point(Angle::cos(angle).get(),Angle::sin(angle).get()));
1249 //duck->set_name(strprintf("%x",value_desc.get_layer().get())+value_desc.get_param_name());
1250 duck->set_editable(true);
1253 if(param_desc && param_desc!=REAL_COOKIE)
1255 if(!param_desc->get_origin().empty())
1257 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1259 duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1261 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1262 duck->set_origin(last_duck());
1264 duck->set_scalar(param_desc->get_scalar());
1267 duck->signal_edited().clear(); // value_desc.get_value_type() == ValueBase::TYPE_ANGLE:
1268 duck->signal_edited_angle().clear();
1269 duck->signal_edited_angle().connect(
1273 &studio::Duckmatic::on_duck_angle_changed),
1275 duck->set_value_desc(value_desc);
1277 duck->signal_user_click(2).connect(
1283 &studio::CanvasView::popup_param_menu),
1287 duck->set_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(multiple));
1295 case ValueBase::TYPE_VECTOR:
1297 etl::handle<Duck> duck=new Duck();
1298 duck->set_transform_stack(transform_stack);
1300 duck->set_point(value_desc.get_value(get_time()).get(Point()));
1301 duck->set_name(guid_string(value_desc));
1302 if(value_desc.is_value_node())
1304 //duck->set_name(strprintf("%x",value_desc.get_value_node().get()));
1306 // If the ValueNode can be directly manipulated,
1307 // then set it as so.
1308 duck->set_editable(synfigapp::is_editable(value_desc.get_value_node()));
1312 //duck->set_point(value_desc.get_value().get(Point()));
1313 //duck->set_name(strprintf("%x",value_desc.get_layer().get())+value_desc.get_param_name());
1314 duck->set_editable(true);
1317 // If we were passed a parameter description
1320 if(!param_desc->get_connect().empty())
1322 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_connect());
1323 Duck::Handle connect_duck;
1324 if(duck_map.find(calc_duck_guid(value_desc_origin,transform_stack)^synfig::GUID::hasher(0))!=duck_map.end())
1326 connect_duck=duck_map[calc_duck_guid(value_desc_origin,transform_stack)^synfig::GUID::hasher(0)];
1330 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1331 connect_duck=last_duck();
1333 duck->set_connect_duck(connect_duck);
1335 if(!param_desc->get_box().empty())
1337 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_box());
1338 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1339 duck->set_box_duck(last_duck());
1342 // If we have an origin
1343 if(!param_desc->get_origin().empty())
1345 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1347 duck->set_origin(value_desc_origin.get_value(get_time()).get(synfig::Point()));
1349 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1350 duck->set_origin(last_duck());
1351 duck->set_type(Duck::TYPE_VERTEX);
1354 duck->set_type(Duck::TYPE_POSITION);
1356 duck->set_scalar(param_desc->get_scalar());
1359 duck->set_type(Duck::TYPE_POSITION);
1361 duck->signal_edited().clear(); // value_desc.get_value_type() == ValueBase::TYPE_VECTOR:
1362 duck->signal_edited().connect(
1366 &studio::Duckmatic::on_duck_changed),
1368 duck->set_value_desc(value_desc);
1370 duck->signal_user_click(2).connect(
1376 &studio::CanvasView::popup_param_menu),
1380 duck->set_guid(calc_duck_guid(value_desc,transform_stack)^synfig::GUID::hasher(multiple));
1386 case ValueBase::TYPE_SEGMENT:
1388 etl::handle<Bezier> bezier(new Bezier());
1389 ValueNode_Composite::Handle value_node;
1391 if(value_desc.is_value_node() &&
1392 (value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node())))
1394 if(!add_to_ducks(synfigapp::ValueDesc(value_node,0),canvas_view,transform_stack))
1396 bezier->p1=last_duck();
1397 bezier->p1->set_type(Duck::TYPE_VERTEX);
1398 if(!add_to_ducks(synfigapp::ValueDesc(value_node,1),canvas_view,transform_stack))
1400 bezier->c1=last_duck();
1401 bezier->c1->set_type(Duck::TYPE_TANGENT);
1402 bezier->c1->set_origin(bezier->p1);
1403 bezier->c1->set_scalar(TANGENT_BEZIER_SCALE);
1404 bezier->c1->set_tangent(true);
1406 if(!add_to_ducks(synfigapp::ValueDesc(value_node,2),canvas_view,transform_stack))
1408 bezier->p2=last_duck();
1409 bezier->p2->set_type(Duck::TYPE_VERTEX);
1410 if(!add_to_ducks(synfigapp::ValueDesc(value_node,3),canvas_view,transform_stack))
1412 bezier->c2=last_duck();
1413 bezier->c2->set_type(Duck::TYPE_TANGENT);
1414 bezier->c2->set_origin(bezier->p2);
1415 bezier->c2->set_scalar(-TANGENT_BEZIER_SCALE);
1416 bezier->c2->set_tangent(true);
1418 bezier->signal_user_click(2).connect(
1422 &studio::CanvasView::popup_param_menu_bezier),
1427 else if(value_desc.get_value().is_valid())
1429 Segment segment=value_desc.get_value();
1430 etl::handle<Duck> duck_p,duck_c;
1431 synfig::String name;
1434 name=param_desc->get_local_name();
1438 name=guid_string(value_desc);
1441 duck_p=new Duck(segment.p1);
1442 duck_p->set_name(name+".P1");
1443 duck_p->set_type(Duck::TYPE_VERTEX);
1446 duck_c=new Duck(segment.t1);
1447 duck_c->set_name(name+".T1");
1448 duck_c->set_type(Duck::TYPE_TANGENT);
1450 duck_c->set_origin(duck_p);
1451 duck_c->set_scalar(TANGENT_HANDLE_SCALE);
1452 duck_c->set_tangent(true);
1457 duck_p=new Duck(segment.p2);
1458 duck_p->set_name(name+".P2");
1459 duck_p->set_type(Duck::TYPE_VERTEX);
1462 duck_c=new Duck(segment.t2);
1463 duck_c->set_type(Duck::TYPE_TANGENT);
1464 duck_c->set_name(name+".T2");
1466 duck_c->set_origin(duck_p);
1467 duck_c->set_scalar(-TANGENT_HANDLE_SCALE);
1468 duck_c->set_tangent(true);
1478 case ValueBase::TYPE_BLINEPOINT:
1481 if(value_desc.is_value_node() &&
1482 ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
1484 ValueNode_Composite::Handle value_node;
1485 value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node());
1487 if(!add_to_ducks(synfigapp::ValueDesc(value_node,0),canvas_view,transform_stack))
1489 etl::handle<Duck> vertex_duck(last_duck());
1490 vertex_duck->set_type(Duck::TYPE_VERTEX);
1491 if(!add_to_ducks(synfigapp::ValueDesc(value_node,4,-TANGENT_HANDLE_SCALE),canvas_view,transform_stack))
1493 etl::handle<Duck> t1_duck(last_duck());
1495 t1_duck->set_origin(vertex_duck);
1496 t1_duck->set_scalar(-TANGENT_HANDLE_SCALE);
1497 t1_duck->set_tangent(true);
1499 etl::handle<Duck> t2_duck;
1501 // If the tangents are split
1502 if((*value_node->get_link("split"))(get_time()).get(bool()))
1504 if(!add_to_ducks(synfigapp::ValueDesc(value_node,5,TANGENT_HANDLE_SCALE),canvas_view,transform_stack))
1506 t2_duck=last_duck();
1507 t2_duck->set_origin(vertex_duck);
1508 t2_duck->set_scalar(TANGENT_HANDLE_SCALE);
1509 t2_duck->set_tangent(true);
1513 if(!add_to_ducks(synfigapp::ValueDesc(value_node,4,TANGENT_HANDLE_SCALE),canvas_view,transform_stack))
1515 t2_duck=last_duck();
1516 t2_duck->set_origin(vertex_duck);
1517 t2_duck->set_scalar(TANGENT_HANDLE_SCALE);
1518 t2_duck->set_tangent(true);
1525 case ValueBase::TYPE_LIST:
1528 if (value_desc.is_value_node() &&
1529 ValueNode_BLine::Handle::cast_dynamic(value_desc.get_value_node()))
1531 ValueNode_BLine::Handle value_node;
1532 value_node=ValueNode_BLine::Handle::cast_dynamic(value_desc.get_value_node());
1536 etl::handle<Bezier> bezier;
1537 etl::handle<Duck> first_duck;
1538 etl::handle<Duck> duck, tduck;
1540 for (i = 0; i < value_node->link_count(); i++)
1542 float amount(value_node->list[i].amount_at_time(get_time()));
1544 // skip vertices that aren't fully on
1545 if (amount < 0.9999f)
1548 // remember the index of the first vertex we didn't skip
1552 BLinePoint bline_point((*value_node->get_link(i))(get_time()));
1554 // try casting the vertex to Composite - this tells us whether it is composite or not
1555 ValueNode_Composite::Handle composite_vertex_value_node(
1556 ValueNode_Composite::Handle::cast_dynamic(value_node->get_link(i)));
1558 // add the vertex duck - it's a composite
1559 if(composite_vertex_value_node)
1561 if (add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,0),canvas_view,transform_stack))
1566 duck->set_type(Duck::TYPE_VERTEX);
1568 duck->signal_user_click(2).clear();
1569 duck->signal_user_click(2).connect(
1575 &studio::CanvasView::popup_param_menu),
1578 synfigapp::ValueDesc(value_node,i)));
1579 duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1583 if(!param_desc->get_origin().empty())
1585 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1586 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1587 duck->set_origin(last_duck());
1589 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1590 if(value.same_type_as(synfig::Point()))
1591 duck->set_origin(value.get(synfig::Point()));
1599 // else it's not a composite
1602 duck=new Duck(bline_point.get_vertex());
1605 duck->set_transform_stack(transform_stack);
1606 duck->set_editable(false);
1607 //duck->set_name(strprintf("%x-vertex",value_node->get_link(i).get()));
1608 duck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".v");
1610 duck->set_type(Duck::TYPE_VERTEX);
1613 if(!param_desc->get_origin().empty())
1615 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1616 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1617 duck->set_origin(last_duck());
1619 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1620 if(value.same_type_as(synfig::Point()))
1621 duck->set_origin(value.get(synfig::Point()));
1625 duck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^synfig::GUID::hasher(".v"));
1626 duck=add_similar_duck(duck);
1630 // Add the width duck if it is a parameter with a hint (ie. "width") or if it isn't a parameter
1631 if ((param_desc && !param_desc->get_hint().empty()) ||
1634 etl::handle<Duck> width;
1635 if (add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,1),canvas_view,transform_stack,REAL_COOKIE))
1638 width->set_origin(duck);
1639 width->set_type(Duck::TYPE_WIDTH);
1640 width->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".w");
1642 // if the bline is a layer's parameter, scale the width duck by the layer's "width" parameter
1645 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_hint()).get_value(get_time()));
1646 if(value.same_type_as(synfig::Real()))
1647 width->set_scalar(value.get(synfig::Real())*0.5f);
1648 // if it doesn't have a "width" parameter, scale by 0.5f instead
1650 width->set_scalar(0.5f);
1652 // otherwise just present the raw unscaled width
1654 width->set_scalar(0.5f);
1657 synfig::error("Unable to add width duck!");
1660 // each bezier uses t2 of one point and t1 of the next
1661 // the first time through this loop we won't have the t2 duck from the previous vertex
1662 // and so we don't make a bezier. instead we skip on to t2 for this point
1665 // Add the tangent1 duck
1666 if(composite_vertex_value_node)
1668 if(!add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,4,-TANGENT_BEZIER_SCALE),canvas_view,transform_stack))
1674 tduck=new Duck(bline_point.get_tangent1());
1675 tduck->set_transform_stack(transform_stack);
1676 tduck->set_editable(false);
1677 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".t1");
1678 // tduck->set_name(strprintf("%x-tangent1",value_node->get_link(i).get()));
1679 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^synfig::GUID::hasher(".t1"));
1680 tduck=add_similar_duck(tduck);
1684 tduck->set_origin(duck);
1685 tduck->set_scalar(-TANGENT_BEZIER_SCALE);
1686 tduck->set_tangent(true);
1691 bezier->signal_user_click(2).connect(
1695 &studio::CanvasView::popup_param_menu_bezier),
1696 synfigapp::ValueDesc(value_node,i)));
1698 duck->signal_user_click(2).clear();
1699 duck->signal_user_click(2).connect(
1705 &studio::CanvasView::popup_param_menu),
1708 synfigapp::ValueDesc(value_node,i)));
1709 duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1715 // don't start a new bezier for the last point in the line if we're not looped
1716 if(i+1>=value_node->link_count() && !value_node->get_loop())
1719 bezier=new Bezier();
1721 // Add the tangent2 duck
1722 if(composite_vertex_value_node)
1724 int i=bline_point.get_split_tangent_flag()?5:4;
1725 if(!add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,i,TANGENT_BEZIER_SCALE),canvas_view,transform_stack,0,2))
1731 if(bline_point.get_split_tangent_flag())
1732 tduck=new Duck(bline_point.get_tangent2());
1734 tduck=new Duck(bline_point.get_tangent1());
1736 tduck->set_transform_stack(transform_stack);
1737 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,i))+".t2");
1738 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,i),transform_stack)^synfig::GUID::hasher(".t2"));
1739 tduck->set_editable(false);
1740 tduck=add_similar_duck(tduck);
1744 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1745 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1746 duck->set_origin(last_duck());
1748 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1749 if(value.same_type_as(synfig::Point()))
1750 duck->set_origin(value.get(synfig::Point()));
1752 // if(!param_desc->get_origin().empty())
1753 // duck->set_origin(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()).get(synfig::Point()));
1755 duck->signal_user_click(2).clear();
1756 duck->signal_user_click(2).connect(
1762 &studio::CanvasView::popup_param_menu),
1765 synfigapp::ValueDesc(value_node,i)));
1766 duck->set_value_desc(synfigapp::ValueDesc(value_node,i));
1770 tduck->set_origin(duck);
1771 tduck->set_scalar(TANGENT_BEZIER_SCALE);
1772 tduck->set_tangent(true);
1778 // Loop if necessary
1779 if(bezier && value_node->get_loop())
1781 BLinePoint bline_point((*value_node->get_link(first))(get_time()));
1783 ValueNode_Composite::Handle composite_vertex_value_node(
1784 ValueNode_Composite::Handle::cast_dynamic(
1785 value_node->get_link(first)));
1787 // Add the vertex duck
1790 // Add the tangent1 duck
1791 if(composite_vertex_value_node)
1793 if(!add_to_ducks(synfigapp::ValueDesc(composite_vertex_value_node,4),canvas_view,transform_stack))
1799 tduck=new Duck(bline_point.get_tangent1());
1800 tduck->set_transform_stack(transform_stack);
1801 tduck->set_editable(false);
1802 tduck->set_name(guid_string(synfigapp::ValueDesc(value_node,first))+".t1");
1803 //tduck->set_name(strprintf("%x-tangent1",value_node->get_link(first).get()));
1804 tduck=add_similar_duck(tduck);
1805 tduck->set_guid(calc_duck_guid(synfigapp::ValueDesc(value_node,first),transform_stack)^synfig::GUID::hasher(".t1"));
1809 tduck->set_origin(duck);
1810 tduck->set_scalar(-TANGENT_BEZIER_SCALE);
1811 tduck->set_tangent(true);
1816 bezier->signal_user_click(2).connect(
1820 &studio::CanvasView::popup_param_menu_bezier),
1821 synfigapp::ValueDesc(value_node,first)));
1823 duck->signal_user_click(2).clear();
1824 duck->signal_user_click(2).connect(
1830 &studio::CanvasView::popup_param_menu),
1833 synfigapp::ValueDesc(value_node,first)));
1834 duck->set_value_desc(synfigapp::ValueDesc(value_node,first));
1841 else // Check for DynamicList
1842 if(value_desc.is_value_node() &&
1843 ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_value_node()))
1845 ValueNode_DynamicList::Handle value_node;
1846 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_value_node());
1849 if(value_node->get_contained_type()==ValueBase::TYPE_VECTOR)
1852 etl::handle<Duck> first_duck, duck;
1854 for(i=0;i<value_node->link_count();i++)
1856 if(!value_node->list[i].status_at_time(get_time()))
1858 if(!add_to_ducks(synfigapp::ValueDesc(value_node,i),canvas_view,transform_stack))
1862 // remember the index of the first vertex we didn't skip
1869 if(param_desc && !param_desc->get_origin().empty())
1871 synfigapp::ValueDesc value_desc_origin(value_desc.get_layer(),param_desc->get_origin());
1872 add_to_ducks(value_desc_origin,canvas_view, transform_stack);
1873 duck->set_origin(last_duck());
1875 ValueBase value(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()));
1876 if(value.same_type_as(synfig::Point()))
1877 duck->set_origin(value.get(synfig::Point()));
1879 // if(!param_desc->get_origin().empty())
1880 // last_duck()->set_origin(synfigapp::ValueDesc(value_desc.get_layer(),param_desc->get_origin()).get_value(get_time()).get(synfig::Point()));
1882 duck->set_type(Duck::TYPE_VERTEX);
1883 bezier.p1=bezier.p2;bezier.c1=bezier.c2;
1884 bezier.p2=bezier.c2=duck;
1888 handle<Bezier> bezier_(new Bezier());
1889 bezier_->p1=bezier.p1;
1890 bezier_->c1=bezier.c1;
1891 bezier_->p2=bezier.p2;
1892 bezier_->c2=bezier.c2;
1893 add_bezier(bezier_);
1894 last_bezier()->signal_user_click(2).connect(
1898 &studio::CanvasView::popup_param_menu_bezier),
1899 synfigapp::ValueDesc(value_node,i)));
1903 if (value_node->get_loop() && first != -1 && first_duck != duck)
1907 bezier.p1=bezier.p2;bezier.c1=bezier.c2;
1908 bezier.p2=bezier.c2=duck;
1910 handle<Bezier> bezier_(new Bezier());
1911 bezier_->p1=bezier.p1;
1912 bezier_->c1=bezier.c1;
1913 bezier_->p2=bezier.p2;
1914 bezier_->c2=bezier.c2;
1915 add_bezier(bezier_);
1916 last_bezier()->signal_user_click(2).connect(
1920 &studio::CanvasView::popup_param_menu_bezier),
1921 synfigapp::ValueDesc(value_node,first)));
1924 else if(value_node->get_contained_type()==ValueBase::TYPE_SEGMENT)
1926 for(i=0;i<value_node->link_count();i++)
1928 if(!value_node->list[i].status_at_time(get_time()))
1930 if(!add_to_ducks(synfigapp::ValueDesc(value_node,i),canvas_view,transform_stack))