1 /* === S Y N F I G ========================================================= */
2 /*! \file state_draw.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007 Chris Moore
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.
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.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include <gtkmm/dialog.h>
34 #include <gtkmm/entry.h>
36 #include <synfig/valuenode_dynamiclist.h>
38 #include "state_draw.h"
39 #include "state_stroke.h"
40 #include "canvasview.h"
43 #include <synfig/valuenode_bline.h>
44 #include <synfig/valuenode_composite.h>
45 #include <ETL/hermite>
46 #include <ETL/calculus>
48 #include "event_mouse.h"
49 #include "event_layerclick.h"
52 #include <synfigapp/blineconvert.h>
53 #include <synfigapp/main.h>
55 #include <ETL/gaussian>
56 #include "dialog_tooloptions.h"
58 #include <gtkmm/table.h>
59 #include <gtkmm/label.h>
60 #include <gtkmm/button.h>
61 #include <gtkmm/checkbutton.h>
62 #include <gtkmm/scale.h>
63 #include <sigc++/connection.h>
69 /* === U S I N G =========================================================== */
73 using namespace synfig;
74 using namespace studio;
76 /* === M A C R O S ========================================================= */
78 /* === G L O B A L S ======================================================= */
80 StateDraw studio::state_draw;
82 /* === C L A S S E S & S T R U C T S ======================================= */
84 class studio::StateDraw_Context : public sigc::trackable
86 typedef etl::smart_ptr<std::list<synfig::Point> > StrokeData;
87 typedef etl::smart_ptr<std::list<synfig::Real> > WidthData;
89 typedef list< pair<StrokeData,WidthData> > StrokeQueue;
91 StrokeQueue stroke_queue;
94 etl::handle<CanvasView> canvas_view_;
95 CanvasView::IsWorking is_working;
97 bool prev_table_status;
99 bool prev_workarea_layer_status_;
102 sigc::connection process_queue_connection;
104 ValueNode_BLine::Handle last_stroke;
105 synfig::String last_stroke_id;
109 //Duckmatic::Push duckmatic_push;
111 std::list< etl::smart_ptr<std::list<synfig::Point> > > stroke_list;
113 void refresh_ducks();
115 Duckmatic::Type old_duckmask;
117 void fill_last_stroke();
119 Smach::event_result new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius);
121 Smach::event_result new_region(std::list<synfig::BLinePoint> bline,synfig::Real radius);
123 Smach::event_result extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
124 Smach::event_result extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
125 void reverse_bline(std::list<synfig::BLinePoint> &bline);
127 synfigapp::Settings& settings;
129 Gtk::Table options_table;
131 Gtk::CheckButton checkbutton_pressure_width;
132 Gtk::CheckButton checkbutton_round_ends;
133 Gtk::CheckButton checkbutton_auto_loop; // whether to loop new strokes which start and end in the same place
134 Gtk::CheckButton checkbutton_auto_extend; // whether to extend existing lines
135 Gtk::CheckButton checkbutton_auto_link; // whether to link new ducks to existing ducks
136 Gtk::CheckButton checkbutton_region; // whether to create regions
137 Gtk::CheckButton checkbutton_outline; // whether to create outlines
138 Gtk::CheckButton checkbutton_auto_export;
139 Gtk::Button button_fill_last_stroke;
141 //pressure spinner and such
142 Gtk::Adjustment adj_min_pressure;
143 Gtk::SpinButton spin_min_pressure;
144 Gtk::CheckButton check_min_pressure;
146 Gtk::Adjustment adj_feather;
147 Gtk::SpinButton spin_feather;
149 Gtk::Adjustment adj_globalthres;
150 Gtk::SpinButton spin_globalthres;
152 Gtk::Adjustment adj_localthres;
153 Gtk::CheckButton check_localerror;
154 void UpdateErrorBox(); //switches the stuff if need be :)
156 //Added by Adrian - data drive HOOOOO
157 synfigapp::BLineConverter blineconv;
160 synfig::String get_id()const { return entry_id.get_text(); }
161 void set_id(const synfig::String& x) { return entry_id.set_text(x); }
163 bool get_pressure_width_flag()const { return checkbutton_pressure_width.get_active(); }
164 void set_pressure_width_flag(bool x) { return checkbutton_pressure_width.set_active(x); }
166 bool get_auto_loop_flag()const { return checkbutton_auto_loop.get_active(); }
167 void set_auto_loop_flag(bool x) { return checkbutton_auto_loop.set_active(x); }
169 bool get_auto_extend_flag()const { return checkbutton_auto_extend.get_active(); }
170 void set_auto_extend_flag(bool x) { return checkbutton_auto_extend.set_active(x); }
172 bool get_auto_link_flag()const { return checkbutton_auto_link.get_active(); }
173 void set_auto_link_flag(bool x) { return checkbutton_auto_link.set_active(x); }
175 bool get_region_flag()const { return checkbutton_region.get_active(); }
176 void set_region_flag(bool x) { return checkbutton_region.set_active(x); }
178 bool get_outline_flag()const { return checkbutton_outline.get_active(); }
179 void set_outline_flag(bool x) { return checkbutton_outline.set_active(x); }
181 bool get_auto_export_flag()const { return checkbutton_auto_export.get_active(); }
182 void set_auto_export_flag(bool x) { return checkbutton_auto_export.set_active(x); }
184 Real get_min_pressure() const { return adj_min_pressure.get_value(); }
185 void set_min_pressure(Real x) { return adj_min_pressure.set_value(x); }
187 Real get_feather() const { return adj_feather.get_value(); }
188 void set_feather(Real x) { return adj_feather.set_value(x); }
190 Real get_gthres() const { return adj_globalthres.get_value(); }
191 void set_gthres(Real x) { return adj_globalthres.set_value(x); }
193 Real get_lthres() const { return adj_localthres.get_value(); }
194 void set_lthres(Real x) { return adj_localthres.set_value(x); }
196 bool get_local_error_flag() const { return check_localerror.get_active(); }
197 void set_local_error_flag(bool x) { check_localerror.set_active(x); }
199 bool get_min_pressure_flag()const { return check_min_pressure.get_active(); }
200 void set_min_pressure_flag(bool x) { check_min_pressure.set_active(x); }
202 void load_settings();
203 void save_settings();
206 Smach::event_result event_stop_handler(const Smach::event& x);
208 Smach::event_result event_refresh_handler(const Smach::event& x);
210 Smach::event_result event_mouse_down_handler(const Smach::event& x);
212 Smach::event_result event_stroke(const Smach::event& x);
213 Smach::event_result event_refresh_tool_options(const Smach::event& x);
214 void refresh_tool_options();
216 Smach::event_result process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag=false);
218 bool process_queue();
221 StateDraw_Context(CanvasView* canvas_view);
223 ~StateDraw_Context();
225 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
226 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
227 synfig::Time get_time()const { return get_canvas_interface()->get_time(); }
228 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
229 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
231 //void on_user_click(synfig::Point point);
234 }; // END of class StateDraw_Context
237 /* === M E T H O D S ======================================================= */
239 StateDraw::StateDraw():
240 Smach::state<StateDraw_Context>("draw")
242 insert(event_def(EVENT_STOP,&StateDraw_Context::event_stop_handler));
243 insert(event_def(EVENT_REFRESH,&StateDraw_Context::event_refresh_handler));
244 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateDraw_Context::event_mouse_down_handler));
245 insert(event_def(EVENT_WORKAREA_STROKE,&StateDraw_Context::event_stroke));
246 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateDraw_Context::event_refresh_tool_options));
249 StateDraw::~StateDraw()
255 StateDraw_Context::load_settings()
259 if(settings.get_value("draw.id",value))
262 set_id("NewDrawing");
264 if(settings.get_value("draw.pressure_width",value) && value=="0")
265 set_pressure_width_flag(false);
267 set_pressure_width_flag(true);
269 if(settings.get_value("draw.auto_loop",value) && value=="0")
270 set_auto_loop_flag(false);
272 set_auto_loop_flag(true);
274 if(settings.get_value("draw.auto_extend",value) && value=="0")
275 set_auto_extend_flag(false);
277 set_auto_extend_flag(true);
279 if(settings.get_value("draw.auto_link",value) && value=="0")
280 set_auto_link_flag(false);
282 set_auto_link_flag(true);
284 if(settings.get_value("draw.region",value) && value=="0")
285 set_region_flag(false);
287 set_region_flag(true);
289 if(settings.get_value("draw.outline",value) && value=="0")
290 set_outline_flag(false);
292 set_outline_flag(true);
294 if(settings.get_value("draw.auto_export",value) && value=="1")
295 set_auto_export_flag(true);
297 set_auto_export_flag(false);
299 if(settings.get_value("draw.min_pressure_on",value) && value=="0")
300 set_min_pressure_flag(false);
302 set_min_pressure_flag(true);
304 if(settings.get_value("draw.min_pressure",value))
306 Real n = atof(value.c_str());
311 if(settings.get_value("draw.feather",value))
313 Real n = atof(value.c_str());
318 if(settings.get_value("draw.gthreshold",value))
320 Real n = atof(value.c_str());
324 if(settings.get_value("draw.lthreshold",value))
326 Real n = atof(value.c_str());
330 if(settings.get_value("draw.localize",value) && value == "1")
331 set_local_error_flag(true);
333 set_local_error_flag(false);
337 StateDraw_Context::save_settings()
339 settings.set_value("draw.id",get_id().c_str());
340 settings.set_value("draw.pressure_width",get_pressure_width_flag()?"1":"0");
341 settings.set_value("draw.auto_loop",get_auto_loop_flag()?"1":"0");
342 settings.set_value("draw.auto_extend",get_auto_extend_flag()?"1":"0");
343 settings.set_value("draw.auto_link",get_auto_link_flag()?"1":"0");
344 settings.set_value("draw.region",get_region_flag()?"1":"0");
345 settings.set_value("draw.outline",get_outline_flag()?"1":"0");
346 settings.set_value("draw.auto_export",get_auto_export_flag()?"1":"0");
347 settings.set_value("draw.min_pressure",strprintf("%f",get_min_pressure()));
348 settings.set_value("draw.feather",strprintf("%f",get_feather()));
349 settings.set_value("draw.min_pressure_on",get_min_pressure_flag()?"1":"0");
350 settings.set_value("draw.gthreshold",strprintf("%f",get_gthres()));
351 settings.set_value("draw.lthreshold",strprintf("%f",get_lthres()));
352 settings.set_value("draw.localize",get_local_error_flag()?"1":"0");
356 StateDraw_Context::increment_id()
365 // If there is a number
366 // already at the end of the
367 // id, then remove it.
368 if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
370 // figure out how many digits it is
371 for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
374 str_number=String(id,id.size()-digits,id.size());
375 id=String(id,0,id.size()-digits);
376 synfig::info("---------------- \"%s\"",str_number.c_str());
378 number=atoi(str_number.c_str());
388 // Add the number back onto the id
390 const String format(strprintf("%%0%dd",digits));
391 id+=strprintf(format.c_str(),number);
398 StateDraw_Context::StateDraw_Context(CanvasView* canvas_view):
399 canvas_view_(canvas_view),
400 is_working(*canvas_view),
402 prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
403 settings(synfigapp::Main::get_selected_input_device()->settings()),
405 checkbutton_pressure_width(_("Pressure Width")),
406 checkbutton_auto_loop(_("Auto Loop")),
407 checkbutton_auto_extend(_("Auto Extend")),
408 checkbutton_auto_link(_("Auto Link")),
409 checkbutton_region(_("Create Region")),
410 checkbutton_outline(_("Create Outline")),
411 checkbutton_auto_export(_("Auto Export")),
412 button_fill_last_stroke(_("Fill Last Stroke")),
413 adj_min_pressure(0,0,1,0.01,0.1),
414 spin_min_pressure(adj_min_pressure,0.1,3),
415 check_min_pressure(_("Min Pressure")),
416 adj_feather(0,0,10000,0.01,0.1),
417 spin_feather(adj_feather,0.01,4),
418 adj_globalthres(.70f,0.01,10000,0.01,0.1),
419 spin_globalthres(adj_globalthres,0.01,3),
420 adj_localthres(20,1,100000,0.1,1),
421 check_localerror(_("LocalError"))
424 synfig::info("STATE SKETCH: entering state");
431 //options_table.attach(*manage(new Gtk::Label(_("Draw Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
432 options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
433 options_table.attach(checkbutton_region, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
434 options_table.attach(checkbutton_outline, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
435 options_table.attach(checkbutton_auto_loop, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
436 options_table.attach(checkbutton_auto_extend, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
437 options_table.attach(checkbutton_auto_link, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
438 options_table.attach(checkbutton_auto_export, 0, 2, 7, 8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
439 options_table.attach(checkbutton_pressure_width, 0, 2, 8, 9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
440 options_table.attach(check_localerror, 0, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
442 options_table.attach(check_min_pressure, 0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
443 options_table.attach(spin_min_pressure, 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
445 options_table.attach(*manage(new Gtk::Label(_("Smooth"))), 0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
446 options_table.attach(spin_globalthres, 1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
448 options_table.attach(*manage(new Gtk::Label(_("Feather"))), 0, 1, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
449 options_table.attach(spin_feather, 1, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
451 //options_table.attach(button_fill_last_stroke, 0, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
453 button_fill_last_stroke.signal_pressed().connect(sigc::mem_fun(*this,&StateDraw_Context::fill_last_stroke));
454 check_localerror.signal_toggled().connect(sigc::mem_fun(*this,&StateDraw_Context::UpdateErrorBox));
456 options_table.show_all();
457 refresh_tool_options();
458 //App::dialog_tool_options->set_widget(options_table);
459 App::dialog_tool_options->present();
462 old_duckmask=get_work_area()->get_type_mask();
463 get_work_area()->set_type_mask(Duck::TYPE_ALL-Duck::TYPE_TANGENT-Duck::TYPE_WIDTH);
465 // Turn off layer clicking
466 get_work_area()->set_allow_layer_clicks(false);
468 // Turn off duck clicking
469 get_work_area()->set_allow_duck_clicks(false);
471 // clear out the ducks
472 //get_work_area()->clear_ducks();
474 // Refresh the work area
475 //get_work_area()->queue_draw();
477 // Hide the tables if they are showing
478 prev_table_status=get_canvas_view()->tables_are_visible();
479 //if(prev_table_status)get_canvas_view()->hide_tables();
481 // Disable the time bar
482 get_canvas_view()->set_sensitive_timebar(false);
485 //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateDraw_Context::on_user_click));
487 get_canvas_view()->work_area->set_cursor(Gdk::PENCIL);
489 App::toolbox->refresh();
495 void StateDraw_Context::UpdateErrorBox()
497 if(get_local_error_flag())
499 spin_globalthres.set_adjustment(adj_localthres);
500 spin_globalthres.set_value(adj_localthres.get_value());
501 spin_globalthres.set_increments(0.1,1);
504 spin_globalthres.set_adjustment(adj_globalthres);
505 spin_globalthres.set_value(adj_globalthres.get_value());
506 spin_globalthres.set_increments(0.01,.1);
509 spin_globalthres.update();
513 StateDraw_Context::refresh_tool_options()
515 App::dialog_tool_options->clear();
516 App::dialog_tool_options->set_widget(options_table);
517 App::dialog_tool_options->set_local_name(_("Draw Tool"));
518 App::dialog_tool_options->set_name("draw");
520 App::dialog_tool_options->add_button(
521 Gtk::StockID("synfig-fill"),
522 _("Fill Last Stroke")
523 )->signal_clicked().connect(
526 &StateDraw_Context::fill_last_stroke));
530 StateDraw_Context::event_refresh_tool_options(const Smach::event& /*x*/)
532 refresh_tool_options();
533 return Smach::RESULT_ACCEPT;
536 StateDraw_Context::~StateDraw_Context()
540 App::dialog_tool_options->clear();
542 get_work_area()->set_type_mask(old_duckmask);
544 get_canvas_view()->work_area->reset_cursor();
546 // Restore layer clicking
547 get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
549 // Restore duck clicking
550 get_work_area()->set_allow_duck_clicks(true);
552 // Enable the time bar
553 get_canvas_view()->set_sensitive_timebar(true);
555 // Bring back the tables if they were out before
556 if(prev_table_status)get_canvas_view()->show_tables();
558 // Refresh the work area
559 get_work_area()->queue_draw();
561 App::toolbox->refresh();
565 StateDraw_Context::event_stop_handler(const Smach::event& /*x*/)
567 throw Smach::egress_exception();
571 StateDraw_Context::event_refresh_handler(const Smach::event& /*x*/)
574 return Smach::RESULT_ACCEPT;
578 StateDraw_Context::event_mouse_down_handler(const Smach::event& x)
580 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
585 // Enter the stroke state to get the stroke
586 get_canvas_view()->get_smach().push_state(&state_stroke);
587 return Smach::RESULT_ACCEPT;
590 case BUTTON_RIGHT: // Intercept the right-button click to short-circuit the pop-up menu
591 if (!getenv("SYNFIG_ENABLE_POPUP_MENU_IN_ALL_TOOLS"))
592 return Smach::RESULT_ACCEPT;
595 return Smach::RESULT_OK;
599 #define SIMILAR_TANGENT_THRESHOLD (0.2)
604 debugclass(const synfig::String &x):x(x)
606 // synfig::warning(">>>>>>>>>>>>>>>>>>> "+x);
610 // synfig::warning("<<<<<<<<<<<<<<<<<<< "+x);
617 DepthCounter(int &i):i(i) { i++; }
618 ~DepthCounter() { i--; }
622 StateDraw_Context::event_stroke(const Smach::event& x)
624 // debugclass debugger("StateDraw_Context::event_stroke(const Smach::event& x)");
626 const EventStroke& event(*reinterpret_cast<const EventStroke*>(&x));
628 assert(event.stroke_data);
630 get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_foreground_color());
634 DirtyTrap dirty_trap(get_work_area());
635 Smach::event_result result;
636 result=process_stroke(event.stroke_data,event.width_data,event.modifier&Gdk::CONTROL_MASK || event.modifier&Gdk::BUTTON2_MASK);
641 stroke_queue.push_back(pair<StrokeData,WidthData>(event.stroke_data,event.width_data));
643 return Smach::RESULT_ACCEPT;
647 StateDraw_Context::process_queue()
649 // debugclass debugger("StateDraw_Context::process_queue()");
652 DepthCounter depth_counter(nested);
653 while(!stroke_queue.empty())
655 pair<StrokeData,WidthData> front(stroke_queue.front());
656 process_stroke(front.first,front.second);
657 stroke_queue.pop_front();
663 StateDraw_Context::process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag)
665 // debugclass debugger("StateDraw_Context::process_stroke");
666 DepthCounter depth_counter(nested);
668 const float radius(synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc())+(abs(get_work_area()->get_pw())+abs(get_work_area()->get_ph()))*5);
671 // If we aren't using pressure width,
672 // then set all the width to 1
673 if(!get_pressure_width_flag())
675 std::list<synfig::Real>::iterator iter;
676 for(iter=width_data->begin();iter!=width_data->end();++iter)
682 //get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_foreground_color());
683 //stroke_list.push_back(event.stroke_data);
686 std::list<synfig::BLinePoint> bline;
687 bool loop_bline_flag(false);
689 //Changed by Adrian - use resident class :)
690 //synfigapp::convert_stroke_to_bline(bline, *event.stroke_data,*event.width_data, synfigapp::Main::get_bline_width());
691 blineconv.width = synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc());
693 if(get_local_error_flag())
695 float pw = get_work_area()->get_pw();
696 float ph = get_work_area()->get_ph();
698 blineconv.pixelwidth = sqrt(pw*pw+ph*ph);
699 blineconv.smoothness = get_lthres();
702 blineconv.pixelwidth = 1;
703 blineconv.smoothness = get_gthres();
706 blineconv(bline,*stroke_data,*width_data);
708 //Postprocess to require minimum pressure
709 if(get_min_pressure_flag())
711 synfigapp::BLineConverter::EnforceMinWidth(bline,get_min_pressure());
714 // If the start and end points are similar, then make them the same point
715 if(get_auto_loop_flag() &&
716 bline.size()>2&&(bline.front().get_vertex()-bline.back().get_vertex()).mag()<=radius)
718 loop_bline_flag=true;
722 while(bline.size()>2&&(bline.front().get_vertex()-bline.back().get_vertex()).mag()<=radius)
724 tangent=bline.back().get_tangent1();
725 width=bline.back().get_width();
729 if(abs(bline.front().get_tangent1().norm()*tangent.norm().perp())>SIMILAR_TANGENT_THRESHOLD)
731 // If the tangents are not similar, then
732 // split the tangents
733 bline.front().set_split_tangent_flag(true);
734 bline.front().set_tangent1(tangent);
738 // If the tangents are similar, then set the tangent
739 // to the average of the two
740 bline.front().set_tangent((tangent+bline.front().get_tangent1())*0.5f);
743 // Add the widths of the two points
745 Real tmp_width(bline.front().get_width()+width);
746 tmp_width=tmp_width<=1?tmp_width:1;
747 bline.front().set_width(tmp_width);
751 // If the bline only has one blinepoint, then there is nothing to do.
753 return Smach::RESULT_OK;
756 return new_region(bline,radius);
758 return new_bline(bline,loop_bline_flag,radius);
762 StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius)
764 // Create the action group
765 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Sketch BLine"));
767 bool shift_offset = false;
768 Vector shift_offset_vector;
769 bool join_start_no_extend=false,join_finish_no_extend=false;
770 synfigapp::ValueDesc start_duck_value_desc,finish_duck_value_desc;
771 bool extend_start=false,extend_finish=false,complete_loop=false;
772 bool extend_start_join_same=false,extend_start_join_different=false;
773 bool extend_finish_join_same=false,extend_finish_join_different=false;
774 int start_duck_index = 0,finish_duck_index = 0; // initialized to keep the compiler happy; shouldn't be needed though
775 ValueNode_BLine::Handle start_duck_value_node_bline=NULL,finish_duck_value_node_bline=NULL;
777 // Find any ducks at the start or end that we might attach to
778 // (this used to only run if we didn't just draw a loop - ie. !loop_bline_flag
779 // but having loops auto-connect can be useful as well)
780 if(get_auto_extend_flag() || get_auto_link_flag())
782 etl::handle<Duck> start_duck(get_work_area()->find_duck(bline.front().get_vertex(),radius,Duck::TYPE_VERTEX));
783 etl::handle<Duck> finish_duck(get_work_area()->find_duck(bline.back().get_vertex(),radius,Duck::TYPE_VERTEX));
785 // check whether the start of the new line extends an
786 // existing line. this is only the case if the new
787 // line isn't a self-contained loop, and if the new
788 // line starts at one of the ends of an existing line
791 if(!(start_duck_value_desc=start_duck->get_value_desc()))break;
792 if(loop_bline_flag)break; // loops don't extend anything
793 if(!start_duck_value_desc.parent_is_value_node())break;
794 start_duck_index=start_duck_value_desc.get_index(); // which point on the line did we start drawing at
795 start_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(start_duck_value_desc.get_parent_value_node());
796 if(!get_auto_extend_flag())break;
798 // don't extend looped blines
799 if(start_duck_value_node_bline&&!start_duck_value_node_bline->get_loop()&&
800 // did we start drawing at either end of the line?
801 (start_duck_index==0||start_duck_index==start_duck_value_node_bline->link_count()-1))
805 shift_offset_vector=start_duck->get_origin();
809 // check whether the end of the new line extends an
810 // existing line. this is only the case if the new
811 // line isn't a self-contained loop, and if the new
812 // line ends at one of the ends of an existing line
815 if(!(finish_duck_value_desc=finish_duck->get_value_desc()))break;
816 if(loop_bline_flag)break;
817 if(!finish_duck_value_desc.parent_is_value_node())break;
818 finish_duck_index=finish_duck_value_desc.get_index();
819 finish_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(finish_duck_value_desc.get_parent_value_node());
820 if(!get_auto_extend_flag())break;
822 // don't extend looped blines
823 if(finish_duck_value_node_bline&&!finish_duck_value_node_bline->get_loop()&&
824 (finish_duck_index==0||finish_duck_index==finish_duck_value_node_bline->link_count()-1))
827 // we've started and finished drawing at the end of a bline. we can't
828 // extend both blines, so unless we started and finished at the 2 ends
829 // of the same bline, only extend the one we started on
830 if(start_duck_value_node_bline==finish_duck_value_node_bline)
831 complete_loop=extend_finish=true;
835 shift_offset_vector=finish_duck->get_origin();
839 // if the new line's start didn't extend an existing line,
840 // check whether it needs to be linked to an existing duck
841 if(!extend_start&&get_auto_link_flag()&&start_duck&&start_duck_value_desc)
842 switch(start_duck_value_desc.get_value_type())
844 case synfig::ValueBase::TYPE_BLINEPOINT:
845 start_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_desc.get_value_node()),0);
847 case synfig::ValueBase::TYPE_VECTOR:
848 if (shift_offset && shift_offset_vector != start_duck->get_origin())
851 shift_offset_vector = start_duck->get_origin();
852 get_canvas_interface()->auto_export(start_duck_value_desc);
854 if(start_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
855 extend_finish_join_same=true;
857 extend_finish_join_different=true;
859 join_start_no_extend=true;
864 // if the new line's end didn't extend an existing line,
865 // check whether it needs to be linked to an existing duck
866 if(!extend_finish&&get_auto_link_flag()&&finish_duck&&finish_duck_value_desc)
867 switch(finish_duck_value_desc.get_value_type())
869 case synfig::ValueBase::TYPE_BLINEPOINT:
870 finish_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_desc.get_value_node()),0);
872 case synfig::ValueBase::TYPE_VECTOR:
873 if (shift_offset && shift_offset_vector != finish_duck->get_origin())
876 shift_offset_vector = finish_duck->get_origin();
877 get_canvas_interface()->auto_export(finish_duck_value_desc);
879 if(finish_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
880 extend_start_join_same=true;
882 extend_start_join_different=true;
884 join_finish_no_extend=true;
890 ValueNode_BLine::Handle value_node;
891 std::list<synfig::BLinePoint> trans_bline;
894 std::list<synfig::BLinePoint>::iterator iter;
895 const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
897 for(iter=bline.begin();iter!=bline.end();++iter)
899 BLinePoint bline_point(*iter);
900 Point new_vertex(transform.unperform(bline_point.get_vertex()));
902 bline_point.set_tangent1(
904 bline_point.get_tangent1()+bline_point.get_vertex()
908 bline_point.set_tangent2(
910 bline_point.get_tangent2()+bline_point.get_vertex()
915 new_vertex=new_vertex-shift_offset_vector;
917 bline_point.set_vertex(new_vertex);
919 trans_bline.push_back(bline_point);
921 value_node=ValueNode_BLine::create(synfig::ValueBase(trans_bline,loop_bline_flag));
924 Smach::event_result result;
925 synfig::ValueNode_DynamicList::ListEntry source;
927 // the new line's start extends an existing line
930 int target_offset = 0;
931 if(complete_loop)trans_bline.pop_back();
932 trans_bline.pop_front();
933 if(start_duck_index==0)
934 { // We need to reverse the BLine first.
935 reverse_bline(trans_bline);
936 result=extend_bline_from_begin(start_duck_value_node_bline,trans_bline,complete_loop);
937 source=start_duck_value_node_bline->list.front();
938 target_offset=trans_bline.size();
942 result=extend_bline_from_end(start_duck_value_node_bline,trans_bline,complete_loop);
943 source=start_duck_value_node_bline->list.back();
946 if(extend_start_join_different)
947 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
948 set_link(0,finish_duck_value_desc.get_value_node());
949 else if(extend_start_join_same)
950 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
951 set_link(0,synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_node_bline->
952 list[target_offset+finish_duck_index].value_node),0).get_value_node());
956 // the new line's end extends an existing line
959 int target_offset = 0;
960 trans_bline.pop_back();
961 if(finish_duck_index==0)
963 result=extend_bline_from_begin(finish_duck_value_node_bline,trans_bline,false);
964 source=finish_duck_value_node_bline->list.front();
965 target_offset=trans_bline.size();
968 { // We need to reverse the BLine first.
969 reverse_bline(trans_bline);
970 result=extend_bline_from_end(finish_duck_value_node_bline,trans_bline,false);
971 source=finish_duck_value_node_bline->list.back();
974 if(extend_finish_join_different)
975 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
976 set_link(0,start_duck_value_desc.get_value_node());
977 else if(extend_finish_join_same)
978 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
979 set_link(0,synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_node_bline->
980 list[target_offset+start_duck_index].value_node),0).get_value_node());
984 if (join_start_no_extend)
985 LinkableValueNode::Handle::cast_dynamic(value_node->list.front().value_node)->
986 set_link(0,start_duck_value_desc.get_value_node());
988 if (join_finish_no_extend)
989 LinkableValueNode::Handle::cast_dynamic(value_node->list.back().value_node)->
990 set_link(0,finish_duck_value_desc.get_value_node());
992 if(get_auto_export_flag()) {
993 printf("this is where we would export the new line\n");
994 if (!get_canvas_interface()->add_value_node(value_node,get_id()))
996 /* it's no big deal, is it? let's keep the shape anyway */
997 // get_canvas_view()->get_ui_interface()->error(_("Unable to add value node"));
1000 // return Smach::RESULT_ERROR;
1004 last_stroke=value_node;
1005 last_stroke_id=get_id();
1008 // Create the layer(s)
1009 Layer::Handle layer;
1010 Canvas::Handle canvas(get_canvas_view()->get_canvas());
1013 // we are temporarily using the layer to hold something
1014 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
1017 depth=layer->get_depth();
1018 canvas=layer->get_canvas();
1021 // fill_last_stroke() will take care of clearing the selection if we're calling it
1022 if(get_outline_flag() && get_region_flag())
1025 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
1027 //int number(synfig::UniqueID().get_uid());
1029 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
1031 // if they're both defined, we'll add the region later
1032 if(get_outline_flag())
1034 layer=get_canvas_interface()->add_layer_to("outline",canvas,depth);
1035 layer->set_description(get_id()+_(" Outline"));
1039 layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
1040 layer->set_description(get_id()+_(" Region"));
1045 layer->set_param("feather",get_feather());
1046 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
1049 //layer->set_description(strprintf("Stroke %d",number));
1050 //get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
1053 get_canvas_interface()->
1054 change_value(synfigapp::ValueDesc(layer,"offset"),shift_offset_vector);
1056 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
1060 action->set_param("canvas",get_canvas());
1061 action->set_param("canvas_interface",get_canvas_interface());
1062 action->set_param("layer",layer);
1063 if(!action->set_param("param",String("bline")))
1064 synfig::error("LayerParamConnect didn't like \"param\"");
1065 if(!action->set_param("value_node",ValueNode::Handle(value_node)))
1066 synfig::error("LayerParamConnect didn't like \"value_node\"");
1068 if(!get_canvas_interface()->get_instance()->perform_action(action))
1070 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
1074 return Smach::RESULT_ERROR;
1076 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
1081 return Smach::RESULT_ACCEPT;
1086 debug_show_vertex_list(int iteration, std::list<synfigapp::ValueDesc>& vertex_list,
1087 std::string title, int current)
1089 std::list<synfigapp::ValueDesc>::iterator i = vertex_list.begin();
1090 printf("\n%s\n ----- iter %d : ", title.c_str(), iteration);
1092 synfig::LinkableValueNode::Handle last = 0;
1097 bool started = false;
1098 for(;i!=vertex_list.end();i++,c++)
1100 synfigapp::ValueDesc value_desc(*i);
1102 if (value_desc.parent_is_value_node()) {
1103 if(value_desc.parent_is_linkable_value_node())
1105 index = value_desc.get_index();
1106 // printf("<%d>", index);
1107 if (last == synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node()))
1109 // printf("\n%s:%d\n", __FILE__, __LINE__);
1112 // printf("\n%s:%d\n", __FILE__, __LINE__);
1115 // printf("\n%s:%d\n", __FILE__, __LINE__);
1118 if (started) printf(", "); else started = true;
1119 printf("%d--%d", start, prev);
1123 if (started) printf(", "); else started = true;
1124 printf("%d", start);
1126 printf(", *%d*", index);
1131 // printf("\n%s:%d\n", __FILE__, __LINE__);
1132 if (index == start + 1)
1134 // printf("\n%s:%d\n", __FILE__, __LINE__);
1138 else if (index == start - 1)
1140 // printf("\n%s:%d\n", __FILE__, __LINE__);
1146 if (started) printf(", "); else started = true;
1147 printf("%d", start);
1151 else if (index == prev + dir)
1153 // printf("\n%s:%d\n", __FILE__, __LINE__);
1158 // printf("\n%s:%d\n", __FILE__, __LINE__);
1159 if (started) printf(", "); else started = true;
1161 printf("%d--%d", start, prev);
1163 printf("%d", start);
1164 // printf("\n%s:%d\n", __FILE__, __LINE__);
1171 // printf("\n%s:%d\n", __FILE__, __LINE__);
1174 if (started) printf(", "); else started = true;
1175 printf("*%d*", index);
1179 // printf("\n%s:%d\n", __FILE__, __LINE__);
1187 // printf("\n%s:%d\n", __FILE__, __LINE__);
1190 // printf("\n%s:%d\n", __FILE__, __LINE__);
1193 if (started) printf(", "); else started = true;
1195 printf("%d--%d", start, prev);
1197 printf("%d", start);
1199 // printf("\n%s:%d\n", __FILE__, __LINE__);
1202 // printf("\n%s:%d\n", __FILE__, __LINE__);
1203 last = synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node());
1204 printf("%d:(", synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node())->link_count());
1206 // printf("\n%s:%d\n", __FILE__, __LINE__);
1210 printf("*%d*", index);
1214 // printf("\n%s:%d\n", __FILE__, __LINE__);
1218 // printf("\n%s:%d\n", __FILE__, __LINE__);
1220 // printf("\n%s:%d\n", __FILE__, __LINE__);
1223 if (last) printf("?!) ");
1233 if (started) printf(", "); else started = true;
1236 printf("%d--%d", start, prev);
1238 printf("%d", start);
1244 #define debug_show_vertex_list(a,b,c,d)
1248 StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real radius)
1250 // Create the action group
1251 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Define Region"));
1253 std::list<synfigapp::ValueDesc> vertex_list;
1255 printf("new_region with %d bline points\n", bline.size());
1257 // First we need to come up with a rough list of
1258 // BLinePoints that we are going to be using to
1259 // define our region.
1261 std::list<synfig::BLinePoint>::iterator iter;
1262 for(iter=bline.begin();iter!=bline.end();++iter)
1264 etl::handle<Duck> duck(get_work_area()->find_duck(iter->get_vertex(),0,Duck::TYPE_VERTEX));
1268 synfig::info(__FILE__":%d: Nothing to enclose!",__LINE__);
1269 return Smach::RESULT_OK;
1272 assert(duck->get_type()==Duck::TYPE_VERTEX);
1274 synfigapp::ValueDesc value_desc(duck->get_value_desc());
1278 synfig::info(__FILE__":%d: Got a hit, but no ValueDesc on this duck",__LINE__);
1282 switch(value_desc.get_value_type())
1284 case synfig::ValueBase::TYPE_BLINEPOINT:
1285 //if(vertex_list.empty() || value_desc!=vertex_list.back())
1286 vertex_list.push_back(value_desc);
1287 assert(vertex_list.back().is_valid());
1296 assert(vertex_list.back().is_valid());
1298 printf("vertex list with %d bline points\n", vertex_list.size());
1300 // Remove any duplicates
1304 ValueNode_BLine::Handle value_node_bline;
1306 // Now we need to test for the trivial case,
1307 // which is where all of the vertices
1308 // come from one BLine.
1309 if(vertex_list.front().parent_is_linkable_value_node())
1311 bool trivial_case(true);
1312 ValueNode::Handle trivial_case_value_node;
1314 trivial_case_value_node=vertex_list.front().get_parent_value_node();
1316 std::list<synfigapp::ValueDesc>::iterator iter;
1317 for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
1319 if(trivial_case_value_node!=iter->get_parent_value_node())
1326 // \todo - re-enable this code
1327 if(trivial_case && false)
1329 synfig::info("all points are on the same bline, so just fill that line");
1330 value_node_bline=ValueNode_BLine::Handle::cast_dynamic(trivial_case_value_node);
1332 synfig::info("the line has %d vertices", value_node_bline->link_count());
1334 if(value_node_bline->link_count() <= 2)
1336 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1337 return Smach::RESULT_OK;
1342 if(!value_node_bline)
1343 if(vertex_list.size()<=2)
1345 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1346 return Smach::RESULT_OK;
1349 // Now we need to clean the list of vertices up
1350 // a bit. This includes inserting missing vertices
1351 // and removing extraneous ones.
1352 // We can do this in multiple passes.
1353 if(!value_node_bline)
1355 debug_show_vertex_list(0, vertex_list, "before shifting stuff", -1);
1356 // rearrange the list so that the first and last node are on different blines
1357 std::list<synfigapp::ValueDesc>::iterator iter, start;
1358 ValueNode::Handle last_value_node = vertex_list.back().get_parent_value_node();
1359 for(iter = vertex_list.begin(); iter!=vertex_list.end(); iter++)
1360 if (iter->get_parent_value_node() != last_value_node)
1362 vertex_list.insert(vertex_list.end(), vertex_list.begin(), iter);
1363 vertex_list.erase(vertex_list.begin(), iter);
1367 debug_show_vertex_list(0, vertex_list, "before detecting direction and limits", -1);
1368 // rearrange the list so that the first and last node are on different blines
1369 iter = vertex_list.begin();
1370 while (iter!=vertex_list.end())
1372 // make a note of which bline we're looking at
1373 ValueNode::Handle parent_value_node = iter->get_parent_value_node();
1375 int points_in_line = synfig::LinkableValueNode::Handle::cast_reinterpret(parent_value_node)->link_count();
1376 bool looped = (*parent_value_node)(get_time()).get_loop();
1377 int this_index, last_index = iter->get_index();
1378 int min_index = last_index, max_index = last_index;
1382 // printf("there are %d points in this line - first is index %d\n", points_in_line, last_index);
1384 // while we're looking at the same bline, keep going
1386 while (iter != vertex_list.end() && iter->get_parent_value_node() == parent_value_node)
1388 this_index = iter->get_index();
1389 // printf("index went from %d to %d\n", last_index, this_index);
1391 if (this_index - last_index > points_in_line/2)
1392 while (this_index - last_index > points_in_line/2)
1393 this_index -= points_in_line;
1394 else if (last_index - this_index > points_in_line/2)
1395 while (last_index - this_index > points_in_line/2)
1396 this_index += points_in_line;
1398 if (this_index < min_index) min_index = this_index;
1399 if (this_index > max_index) max_index = this_index;
1401 // printf("so let's imagine index went from %d to %d\n", last_index, this_index);
1402 if (this_index > last_index)
1404 else if (this_index < last_index)
1407 last_index = this_index;
1411 // printf("min %d and max %d\n", min_index, max_index);
1412 whole = max_index - min_index >= points_in_line;
1413 min_index = (min_index % points_in_line + points_in_line) % points_in_line;
1414 max_index = (max_index % points_in_line + points_in_line) % points_in_line;
1415 // they drew around a shape more than once - what's the start/end point? does it matter?
1416 if (whole) min_index = max_index = (min_index + max_index) / 2;
1417 // printf("processed min %d max %d whole %d\n", min_index, max_index, whole);
1423 // printf("whole (down) (%d) ", min_index);
1424 for (int i = min_index; i >= 0; i--)
1426 // printf("%d ", i);
1427 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1429 for (int i = points_in_line - 1; i >= min_index; i--)
1431 // printf("%d ", i);
1432 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1437 // printf("part (down) (%d -> %d) ", max_index, min_index);
1438 for (int i = max_index; i != min_index; i--)
1440 if (i == -1) i = points_in_line - 1;
1441 // printf("%d ", i);
1442 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1444 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, min_index));
1451 // printf("whole (%d) ", min_index);
1452 for (int i = min_index; i < points_in_line; i++)
1454 // printf("%d ", i);
1455 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1457 for (int i = 0; i <= min_index; i++)
1459 // printf("%d ", i);
1460 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1465 // printf("part (%d -> %d) ", min_index, max_index);
1466 for (int i = min_index; i != max_index; i++)
1468 if (i == points_in_line) i = 0;
1469 // printf("%d ", i);
1470 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1472 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, max_index));
1476 // debug_show_vertex_list(0, vertex_list, "after insert", -1);
1477 vertex_list.erase(start, iter);
1478 // debug_show_vertex_list(0, vertex_list, "after delete", -1);
1481 debug_show_vertex_list(0, vertex_list, "continuous vertices", -1);
1483 // \todo reenable or delete this section
1485 for(bool done=false;!done && i<30;i++)
1487 debug_show_vertex_list(i, vertex_list, "in big loop", -1);
1489 // Set done to "true" for now. If
1490 // any updates are performed, we will
1491 // change it back to false.
1494 std::list<synfigapp::ValueDesc>::iterator prev,next;
1495 prev=vertex_list.end();prev--; // Set prev to the last ValueDesc
1496 next=vertex_list.begin();
1497 iter=next++; // Set iter to the first value desc, and next to the second
1500 for(;iter!=vertex_list.end();prev=iter,iter++,next++,current++)
1502 // we need to be able to erase(next) and can't do that if next is end()
1503 if (next == vertex_list.end()) next = vertex_list.begin();
1504 debug_show_vertex_list(i, vertex_list, "in loop around vertices", current);
1505 synfigapp::ValueDesc value_prev(*prev);
1506 synfigapp::ValueDesc value_desc(*iter);
1507 synfigapp::ValueDesc value_next(*next);
1509 assert(value_desc.is_valid());
1510 assert(value_next.is_valid());
1511 assert(value_prev.is_valid());
1513 // synfig::info("-------");
1514 // synfig::info(__FILE__":%d: value_prev 0x%08X:%d",__LINE__,value_prev.get_parent_value_node().get(),value_prev.get_index());
1515 // synfig::info(__FILE__":%d: value_desc 0x%08X:%d",__LINE__,value_desc.get_parent_value_node().get(),value_desc.get_index());
1516 // synfig::info(__FILE__":%d: value_next 0x%08X:%d",__LINE__,value_next.get_parent_value_node().get(),value_next.get_index());
1519 if(value_prev.parent_is_value_node() && value_desc.parent_is_value_node() && value_next.parent_is_value_node())
1521 // Remove random extraneous vertices
1522 if(value_prev.get_parent_value_node()==value_next.get_parent_value_node() &&
1523 value_prev.get_parent_value_node()!=value_desc.get_parent_value_node())
1525 vertex_list.erase(iter);
1532 // // Remove duplicate vertices
1534 // // if previous is the same as current or
1535 // // current is the same as next, remove current
1536 // if(value_prev.get_value_node()==value_desc.get_value_node() ||
1537 // value_desc.get_value_node()==value_next.get_value_node())
1539 // vertex_list.erase(iter);
1541 // printf("erased node - i = %d\n", i);
1545 // // if previous is the same as next, remove previous? or next?
1546 // if(value_prev.get_value_node()==value_next.get_value_node())
1548 // vertex_list.erase(next);
1549 // // vertex_list.erase(prev);
1551 // printf("erased node - i = %d\n", i);
1555 // if 'this' and 'next' both have parents
1556 if (value_desc.parent_is_value_node() && value_next.parent_is_value_node())
1558 // if they are both on the same bline - this has been handled by new code above
1559 if (value_desc.get_parent_value_node() == value_next.get_parent_value_node())
1561 // // if (next != vertex_list.end())
1563 // printf("parent loop is %d and node loop is ??\n",
1564 // (*(value_desc.get_parent_value_node()))(get_time()).get_loop()
1565 // // value_desc.get_value_node().get_loop(),
1568 // // Fill in missing vertices
1569 // // \todo take loops into account: seeing (15, 2, 3, 4) probably means that (0, 1) is missing, not 14 through 3
1570 // if(value_desc.get_index()<value_next.get_index()-1)
1572 // debug_show_vertex_list(i, vertex_list,
1573 // strprintf("same parent, different points this %d < next-1 %d",
1574 // value_desc.get_index(), ((value_next.get_index()-1))),
1576 // for (int index = value_desc.get_index()+1; index < value_next.get_index(); index++)
1578 // printf("inserting up %d\n", index);
1579 // vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
1581 // debug_show_vertex_list(i, vertex_list, "new list", current);
1585 // if(value_next.get_index()<value_desc.get_index()-1)
1587 // debug_show_vertex_list(i, vertex_list,
1588 // strprintf("same parent, different points next %d < this-1 %d",
1589 // value_next.get_index(), ((value_desc.get_index()-1))),
1591 // for (int index = value_desc.get_index()-1; index > value_next.get_index(); index--)
1593 // printf("inserting down %d\n", index);
1594 // vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
1596 // debug_show_vertex_list(i, vertex_list, "new list", current);
1602 // 'this' and 'next' have different parents
1605 ValueNode::Handle v1 = value_desc.get_value_node();
1606 ValueNode::Handle v2 = value_desc.get_parent_value_node();
1610 printf("different\n");
1612 if (value_desc.get_value_node() != value_next.get_value_node())
1614 // Ensure that connections between blines are properly connected
1615 BLinePoint vertex(value_desc.get_value(get_time()).get(BLinePoint()));
1616 BLinePoint vertex_next(value_next.get_value(get_time()).get(BLinePoint()));
1618 //synfig::info("--------");
1619 //synfig::info(__FILE__":%d: vertex: [%f, %f]",__LINE__,vertex.get_vertex()[0],vertex.get_vertex()[1]);
1620 //synfig::info(__FILE__":%d: vertex_next: [%f, %f]",__LINE__,vertex_next.get_vertex()[0],vertex_next.get_vertex()[1]);
1622 // if this vertex is close to the next one, replace this vertex with a new one
1623 // and erase the next one
1624 printf("this point is %5.2f from the next point - compare with %5.2f\n",
1625 (vertex.get_vertex()-vertex_next.get_vertex()).mag_squared(),
1627 if((vertex.get_vertex()-vertex_next.get_vertex()).mag_squared()<radius*radius)
1629 printf("in one - it's close\n");
1630 ValueNode_Composite::Handle value_node;
1631 ValueNode_Composite::Handle value_node_next;
1632 value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node().clone());
1633 value_node_next=ValueNode_Composite::Handle::cast_dynamic(value_next.get_value_node().clone());
1634 if(!value_node || !value_node_next)
1636 synfig::info(__FILE__":%d: Unable to properly connect blines.",__LINE__);
1639 // \todo if next isn't split, don't we want to copy its 'Tangent 1' instead?
1640 value_node->set_link(5,value_node_next->get_link(5)); // Tangent 2
1641 value_node->set_link(3,ValueNode_Const::create(true)); // Split Tangents
1643 // get_canvas_interface()->auto_export(value_node);
1644 printf("exporting\n");
1645 get_canvas_interface()->add_value_node(value_node,value_node->get_id() + strprintf("foo %d", rand()));
1647 assert(value_node->is_exported());
1648 // replace 'this' with the new valuenode
1649 *iter=synfigapp::ValueDesc(get_canvas(),value_node->get_id());
1650 printf("erasing next\n");
1651 printf("erasing next point\n");
1652 vertex_list.erase(next);
1655 } // this vertex isn't close to the next one
1656 else if (value_prev.parent_is_value_node())
1658 printf("in two - it's far\n");
1659 // \todo this only makes sense if prev is on the same bline
1660 printf("this is index %d\n", value_desc.get_index());
1661 printf("prev is index %d\n", value_prev.get_index());
1662 bool positive_trend(value_desc.get_index()>value_prev.get_index());
1666 printf("positive trend\n");
1667 printf("comparing index %d < link_count()-1 = %d-1 = %d\n",
1668 value_desc.get_index(),
1669 LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count(),
1670 LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1);
1671 if (value_desc.get_index()<LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1)
1673 printf("in two - b\n");
1674 printf("inserting node with index %d\n", value_desc.get_index()+1);
1675 vertex_list.insert(next,
1676 synfigapp::ValueDesc(value_desc.get_parent_value_node(),
1677 value_desc.get_index()+1));
1682 else // !positive_trend
1684 printf("negative trend\n");
1685 if(value_desc.get_index()>0)
1687 printf("in two - a\n");
1688 printf("inserting node on this line with index %d\n",
1689 value_desc.get_index()-1);
1690 vertex_list.insert(next,
1691 synfigapp::ValueDesc(value_desc.get_parent_value_node(),
1692 value_desc.get_index()-1));
1704 if(vertex_list.size()<=2)
1706 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1707 return Smach::RESULT_OK;
1710 debug_show_vertex_list(i, vertex_list, "finished tidying list", -1);
1713 // If we aren't the trivial case,
1714 // then go ahead and create the new
1716 if(!value_node_bline)
1718 synfig::info("not all points are on the same bline");
1719 value_node_bline=ValueNode_BLine::create();
1721 std::list<synfigapp::ValueDesc>::iterator iter;
1722 for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
1724 // Ensure that the vertex is exported.
1725 get_canvas_interface()->auto_export(*iter);
1727 value_node_bline->add(iter->get_value_node());
1728 //value_node_bline->add(ValueNode_BLine::ListEntry(iter->get_value_node()));
1731 value_node_bline->set_loop(true);
1734 get_canvas_interface()->auto_export(value_node_bline);
1736 // Now we create the region layer
1739 Layer::Handle layer;
1740 Canvas::Handle canvas(get_canvas_view()->get_canvas());
1743 // we are temporarily using the layer to hold something
1744 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
1747 depth=layer->get_depth();
1748 canvas=layer->get_canvas();
1751 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
1753 layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
1755 layer->set_param("color",synfigapp::Main::get_background_color());
1758 layer->set_param("feather",get_feather());
1759 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
1761 get_canvas_interface()->signal_layer_param_changed()(layer,"color");
1763 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
1767 action->set_param("canvas",get_canvas());
1768 action->set_param("canvas_interface",get_canvas_interface());
1769 action->set_param("layer",layer);
1770 if(!action->set_param("param",String("bline")))
1771 synfig::error("LayerParamConnect didn't like \"param\"");
1772 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
1773 synfig::error("LayerParamConnect didn't like \"value_node\"");
1775 if(!get_canvas_interface()->get_instance()->perform_action(action))
1777 get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
1779 return Smach::RESULT_ERROR;
1781 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
1784 return Smach::RESULT_ACCEPT;
1788 StateDraw_Context::refresh_ducks()
1790 get_canvas_view()->queue_rebuild_ducks();
1792 get_work_area()->clear_ducks();
1795 std::list< etl::smart_ptr<std::list<synfig::Point> > >::iterator iter;
1797 for(iter=stroke_list.begin();iter!=stroke_list.end();++iter)
1799 get_work_area()->add_stroke(*iter);
1802 get_work_area()->queue_draw();
1808 StateDraw_Context::extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
1810 // Create the action group
1811 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
1815 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_loop"));
1818 action->set_param("canvas",get_canvas());
1819 action->set_param("canvas_interface",get_canvas_interface());
1820 action->set_param("value_node",ValueNode::Handle(value_node));
1822 if(!get_canvas_interface()->get_instance()->perform_action(action))
1824 get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
1826 return Smach::RESULT_ERROR;
1830 std::list<synfig::BLinePoint>::reverse_iterator iter;
1831 for(iter=bline.rbegin();!(iter==bline.rend());++iter)
1833 ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
1835 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_insert"));
1838 synfigapp::ValueDesc value_desc(value_node,0);
1840 action->set_param("canvas",get_canvas());
1841 action->set_param("canvas_interface",get_canvas_interface());
1842 action->set_param("value_desc",value_desc);
1843 if(!action->set_param("item",ValueNode::Handle(composite)))
1844 synfig::error("ACTION didn't like \"item\"");
1846 if(!get_canvas_interface()->get_instance()->perform_action(action))
1848 get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
1851 return Smach::RESULT_ERROR;
1854 last_stroke=value_node;
1855 return Smach::RESULT_ACCEPT;
1859 StateDraw_Context::extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
1861 // Create the action group
1862 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
1866 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_loop"));
1869 action->set_param("canvas",get_canvas());
1870 action->set_param("canvas_interface",get_canvas_interface());
1871 action->set_param("value_node",ValueNode::Handle(value_node));
1873 if(!get_canvas_interface()->get_instance()->perform_action(action))
1875 get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
1877 return Smach::RESULT_ERROR;
1881 std::list<synfig::BLinePoint>::iterator iter;
1882 for(iter=bline.begin();iter!=bline.end();++iter)
1884 ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
1886 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_insert"));
1889 synfigapp::ValueDesc value_desc(value_node,value_node->link_count());
1891 action->set_param("canvas",get_canvas());
1892 action->set_param("canvas_interface",get_canvas_interface());
1893 action->set_param("value_desc",value_desc);
1894 if(!action->set_param("item",ValueNode::Handle(composite)))
1895 synfig::error("ACTION didn't like \"item\"");
1897 if(!get_canvas_interface()->get_instance()->perform_action(action))
1899 get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
1902 return Smach::RESULT_ERROR;
1905 last_stroke=value_node;
1906 return Smach::RESULT_ACCEPT;
1910 StateDraw_Context::reverse_bline(std::list<synfig::BLinePoint> &bline)
1914 std::list<synfig::BLinePoint>::iterator iter,eiter;
1918 for(i=0;i<(int)bline.size()/2;++iter,--eiter,i++)
1920 iter_swap(iter,eiter);
1927 StateDraw_Context::fill_last_stroke()
1932 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Fill Stroke"));
1934 Layer::Handle layer;
1936 get_canvas_interface()->auto_export(last_stroke);
1938 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
1940 Canvas::Handle canvas(get_canvas_view()->get_canvas());
1943 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
1946 depth=layer->get_depth();
1947 canvas=layer->get_canvas();
1950 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
1951 layer=get_canvas_interface()->add_layer_to("region", canvas, depth);
1953 layer->set_param("color",synfigapp::Main::get_background_color());
1954 layer->set_description(last_stroke_id + _(" Region"));
1956 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
1960 action->set_param("canvas",get_canvas());
1961 action->set_param("canvas_interface",get_canvas_interface());
1962 action->set_param("layer",layer);
1963 if(!action->set_param("param",String("bline")))
1964 synfig::error("LayerParamConnect didn't like \"param\"");
1965 if(!action->set_param("value_node",ValueNode::Handle(last_stroke)))
1966 synfig::error("LayerParamConnect didn't like \"value_node\"");
1968 if(!get_canvas_interface()->get_instance()->perform_action(action))
1970 get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
1974 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);