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
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 ======================================================= */
34 #include <gtkmm/dialog.h>
35 #include <gtkmm/entry.h>
37 #include <synfig/valuenode_dynamiclist.h>
39 #include "state_draw.h"
40 #include "state_stroke.h"
41 #include "state_normal.h"
42 #include "canvasview.h"
45 #include <synfig/valuenode_bline.h>
46 #include <synfig/valuenode_composite.h>
47 #include <ETL/hermite>
48 #include <ETL/calculus>
50 #include "event_mouse.h"
51 #include "event_layerclick.h"
54 #include <synfigapp/blineconvert.h>
55 #include <synfigapp/main.h>
57 #include <ETL/gaussian>
58 #include "docks/dialog_tooloptions.h"
60 #include <gtkmm/table.h>
61 #include <gtkmm/label.h>
62 #include <gtkmm/button.h>
63 #include <gtkmm/checkbutton.h>
64 #include <gtkmm/scale.h>
65 #include <sigc++/connection.h>
71 /* === U S I N G =========================================================== */
75 using namespace synfig;
76 using namespace studio;
78 /* === M A C R O S ========================================================= */
80 /* === G L O B A L S ======================================================= */
82 StateDraw studio::state_draw;
84 /* === C L A S S E S & S T R U C T S ======================================= */
86 class studio::StateDraw_Context : public sigc::trackable
88 typedef etl::smart_ptr<std::list<synfig::Point> > StrokeData;
89 typedef etl::smart_ptr<std::list<synfig::Real> > WidthData;
91 typedef list< pair<StrokeData,WidthData> > StrokeQueue;
93 StrokeQueue stroke_queue;
96 etl::handle<CanvasView> canvas_view_;
97 CanvasView::IsWorking is_working;
99 bool prev_table_status;
101 bool prev_workarea_layer_status_;
104 sigc::connection process_queue_connection;
106 ValueNode_BLine::Handle last_stroke;
107 synfig::String last_stroke_id;
111 //Duckmatic::Push duckmatic_push;
113 std::list< etl::smart_ptr<std::list<synfig::Point> > > stroke_list;
115 void refresh_ducks();
117 Duckmatic::Type old_duckmask;
119 void fill_last_stroke();
120 Smach::event_result fill_last_stroke_and_unselect_other_layers();
122 Smach::event_result new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius);
124 Smach::event_result new_region(std::list<synfig::BLinePoint> bline,synfig::Real radius);
126 Smach::event_result extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
127 Smach::event_result extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
128 void reverse_bline(std::list<synfig::BLinePoint> &bline);
130 synfigapp::Settings& settings;
132 Gtk::Table options_table;
134 Gtk::CheckButton checkbutton_pressure_width;
135 Gtk::CheckButton checkbutton_round_ends;
136 Gtk::CheckButton checkbutton_auto_loop; // whether to loop new strokes which start and end in the same place
137 Gtk::CheckButton checkbutton_auto_extend; // whether to extend existing lines
138 Gtk::CheckButton checkbutton_auto_link; // whether to link new ducks to existing ducks
139 Gtk::CheckButton checkbutton_region; // whether to create regions
140 Gtk::CheckButton checkbutton_outline; // whether to create outlines
141 Gtk::CheckButton checkbutton_auto_export;
142 Gtk::Button button_fill_last_stroke;
144 //pressure spinner and such
145 Gtk::Adjustment adj_min_pressure;
146 Gtk::SpinButton spin_min_pressure;
147 Gtk::CheckButton check_min_pressure;
149 Gtk::Adjustment adj_feather;
150 Gtk::SpinButton spin_feather;
152 Gtk::Adjustment adj_globalthres;
153 Gtk::SpinButton spin_globalthres;
155 Gtk::Adjustment adj_localthres;
156 Gtk::CheckButton check_localerror;
157 void UpdateErrorBox(); //switches the stuff if need be :)
159 //Added by Adrian - data drive HOOOOO
160 synfigapp::BLineConverter blineconv;
163 synfig::String get_id()const { return entry_id.get_text(); }
164 void set_id(const synfig::String& x) { return entry_id.set_text(x); }
166 bool get_pressure_width_flag()const { return checkbutton_pressure_width.get_active(); }
167 void set_pressure_width_flag(bool x) { return checkbutton_pressure_width.set_active(x); }
169 bool get_auto_loop_flag()const { return checkbutton_auto_loop.get_active(); }
170 void set_auto_loop_flag(bool x) { return checkbutton_auto_loop.set_active(x); }
172 bool get_auto_extend_flag()const { return checkbutton_auto_extend.get_active(); }
173 void set_auto_extend_flag(bool x) { return checkbutton_auto_extend.set_active(x); }
175 bool get_auto_link_flag()const { return checkbutton_auto_link.get_active(); }
176 void set_auto_link_flag(bool x) { return checkbutton_auto_link.set_active(x); }
178 bool get_region_flag()const { return checkbutton_region.get_active(); }
179 void set_region_flag(bool x) { return checkbutton_region.set_active(x); }
181 bool get_outline_flag()const { return checkbutton_outline.get_active(); }
182 void set_outline_flag(bool x) { return checkbutton_outline.set_active(x); }
184 bool get_auto_export_flag()const { return checkbutton_auto_export.get_active(); }
185 void set_auto_export_flag(bool x) { return checkbutton_auto_export.set_active(x); }
187 Real get_min_pressure() const { return adj_min_pressure.get_value(); }
188 void set_min_pressure(Real x) { return adj_min_pressure.set_value(x); }
190 Real get_feather() const { return adj_feather.get_value(); }
191 void set_feather(Real x) { return adj_feather.set_value(x); }
193 Real get_gthres() const { return adj_globalthres.get_value(); }
194 void set_gthres(Real x) { return adj_globalthres.set_value(x); }
196 Real get_lthres() const { return adj_localthres.get_value(); }
197 void set_lthres(Real x) { return adj_localthres.set_value(x); }
199 bool get_local_error_flag() const { return check_localerror.get_active(); }
200 void set_local_error_flag(bool x) { check_localerror.set_active(x); }
202 bool get_min_pressure_flag()const { return check_min_pressure.get_active(); }
203 void set_min_pressure_flag(bool x) { check_min_pressure.set_active(x); }
205 void load_settings();
206 void save_settings();
209 Smach::event_result event_stop_handler(const Smach::event& x);
211 Smach::event_result event_refresh_handler(const Smach::event& x);
213 Smach::event_result event_mouse_down_handler(const Smach::event& x);
215 Smach::event_result event_stroke(const Smach::event& x);
216 Smach::event_result event_refresh_tool_options(const Smach::event& x);
217 void refresh_tool_options();
219 Smach::event_result process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag=false);
221 bool process_queue();
224 StateDraw_Context(CanvasView* canvas_view);
226 ~StateDraw_Context();
228 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
229 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
230 synfig::Time get_time()const { return get_canvas_interface()->get_time(); }
231 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
232 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
234 //void on_user_click(synfig::Point point);
237 }; // END of class StateDraw_Context
240 /* === M E T H O D S ======================================================= */
242 StateDraw::StateDraw():
243 Smach::state<StateDraw_Context>("draw")
245 insert(event_def(EVENT_STOP,&StateDraw_Context::event_stop_handler));
246 insert(event_def(EVENT_REFRESH,&StateDraw_Context::event_refresh_handler));
247 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateDraw_Context::event_mouse_down_handler));
248 insert(event_def(EVENT_WORKAREA_STROKE,&StateDraw_Context::event_stroke));
249 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateDraw_Context::event_refresh_tool_options));
252 StateDraw::~StateDraw()
258 StateDraw_Context::load_settings()
262 SETTINGS_LOCALE_SAFE_AND_BACKUP
265 if(settings.get_value("draw.id",value))
268 set_id("NewDrawing");
270 if(settings.get_value("draw.pressure_width",value) && value=="0")
271 set_pressure_width_flag(false);
273 set_pressure_width_flag(true);
275 if(settings.get_value("draw.auto_loop",value) && value=="0")
276 set_auto_loop_flag(false);
278 set_auto_loop_flag(true);
280 if(settings.get_value("draw.auto_extend",value) && value=="0")
281 set_auto_extend_flag(false);
283 set_auto_extend_flag(true);
285 if(settings.get_value("draw.auto_link",value) && value=="0")
286 set_auto_link_flag(false);
288 set_auto_link_flag(true);
290 if(settings.get_value("draw.region",value) && value=="0")
291 set_region_flag(false);
293 set_region_flag(true);
295 if(settings.get_value("draw.outline",value) && value=="0")
296 set_outline_flag(false);
298 set_outline_flag(true);
300 if(settings.get_value("draw.auto_export",value) && value=="1")
301 set_auto_export_flag(true);
303 set_auto_export_flag(false);
305 if(settings.get_value("draw.min_pressure_on",value) && value=="0")
306 set_min_pressure_flag(false);
308 set_min_pressure_flag(true);
310 if(settings.get_value("draw.min_pressure",value))
312 Real n = atof(value.c_str());
317 if(settings.get_value("draw.feather",value))
319 Real n = atof(value.c_str());
324 if(settings.get_value("draw.gthreshold",value))
326 Real n = atof(value.c_str());
330 if(settings.get_value("draw.lthreshold",value))
332 Real n = atof(value.c_str());
336 if(settings.get_value("draw.localize",value) && value == "1")
337 set_local_error_flag(true);
339 set_local_error_flag(false);
340 SETTINGS_LOCALE_RESTORE
344 synfig::warning("State Draw: Caught exception when attempting to load settings.");
349 StateDraw_Context::save_settings()
353 SETTINGS_LOCALE_SAFE_AND_BACKUP
354 settings.set_value("draw.id",get_id().c_str());
355 settings.set_value("draw.pressure_width",get_pressure_width_flag()?"1":"0");
356 settings.set_value("draw.auto_loop",get_auto_loop_flag()?"1":"0");
357 settings.set_value("draw.auto_extend",get_auto_extend_flag()?"1":"0");
358 settings.set_value("draw.auto_link",get_auto_link_flag()?"1":"0");
359 settings.set_value("draw.region",get_region_flag()?"1":"0");
360 settings.set_value("draw.outline",get_outline_flag()?"1":"0");
361 settings.set_value("draw.auto_export",get_auto_export_flag()?"1":"0");
362 settings.set_value("draw.min_pressure",strprintf("%f",get_min_pressure()));
363 settings.set_value("draw.feather",strprintf("%f",get_feather()));
364 settings.set_value("draw.min_pressure_on",get_min_pressure_flag()?"1":"0");
365 settings.set_value("draw.gthreshold",strprintf("%f",get_gthres()));
366 settings.set_value("draw.lthreshold",strprintf("%f",get_lthres()));
367 settings.set_value("draw.localize",get_local_error_flag()?"1":"0");
368 SETTINGS_LOCALE_RESTORE
372 synfig::warning("State Draw: Caught exception when attempting to save settings.");
377 StateDraw_Context::increment_id()
386 // If there is a number
387 // already at the end of the
388 // id, then remove it.
389 if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
391 // figure out how many digits it is
393 (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
398 str_number=String(id,id.size()-digits,id.size());
399 id=String(id,0,id.size()-digits);
400 // synfig::info("---------------- \"%s\"",str_number.c_str());
402 number=atoi(str_number.c_str());
412 // Add the number back onto the id
414 const String format(strprintf("%%0%dd",digits));
415 id+=strprintf(format.c_str(),number);
422 StateDraw_Context::StateDraw_Context(CanvasView* canvas_view):
423 canvas_view_(canvas_view),
424 is_working(*canvas_view),
426 prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
427 settings(synfigapp::Main::get_selected_input_device()->settings()),
429 checkbutton_pressure_width(_("Pressure Width")),
430 checkbutton_auto_loop(_("Auto Loop")),
431 checkbutton_auto_extend(_("Auto Extend")),
432 checkbutton_auto_link(_("Auto Link")),
433 checkbutton_region(_("Create Region BLine")),
434 checkbutton_outline(_("Create Outline BLine")),
435 checkbutton_auto_export(_("Auto Export")),
436 button_fill_last_stroke(_("Fill Last Stroke")),
437 adj_min_pressure(0,0,1,0.01,0.1),
438 spin_min_pressure(adj_min_pressure,0.1,3),
439 check_min_pressure(_("Min Pressure")),
440 adj_feather(0,0,10000,0.01,0.1),
441 spin_feather(adj_feather,0.01,4),
442 adj_globalthres(.70f,0.01,10000,0.01,0.1),
443 spin_globalthres(adj_globalthres,0.01,3),
444 adj_localthres(20,1,100000,0.1,1),
445 check_localerror(_("LocalError"))
453 options_table.attach(*manage(new Gtk::Label(_("Draw Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
454 options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
455 options_table.attach(checkbutton_outline, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
456 options_table.attach(checkbutton_region, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
457 options_table.attach(checkbutton_auto_loop, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
458 options_table.attach(checkbutton_auto_extend, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
459 options_table.attach(checkbutton_auto_link, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
460 options_table.attach(checkbutton_auto_export, 0, 2, 7, 8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
461 options_table.attach(checkbutton_pressure_width, 0, 2, 8, 9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
462 options_table.attach(check_localerror, 0, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
464 options_table.attach(check_min_pressure, 0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
465 options_table.attach(spin_min_pressure, 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
467 options_table.attach(*manage(new Gtk::Label(_("Smooth"))), 0, 1, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
468 options_table.attach(spin_globalthres, 1, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
470 options_table.attach(*manage(new Gtk::Label(_("Feather"))), 0, 1, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
471 options_table.attach(spin_feather, 1, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
473 //options_table.attach(button_fill_last_stroke, 0, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
475 button_fill_last_stroke.signal_pressed().connect(sigc::mem_fun(*this,&StateDraw_Context::fill_last_stroke));
476 check_localerror.signal_toggled().connect(sigc::mem_fun(*this,&StateDraw_Context::UpdateErrorBox));
478 options_table.show_all();
479 refresh_tool_options();
480 //App::dialog_tool_options->set_widget(options_table);
481 App::dialog_tool_options->present();
484 old_duckmask=get_work_area()->get_type_mask();
485 get_work_area()->set_type_mask(Duck::TYPE_ALL-Duck::TYPE_TANGENT-Duck::TYPE_WIDTH);
487 // Turn off layer clicking
488 get_work_area()->set_allow_layer_clicks(false);
490 // Turn off duck clicking
491 get_work_area()->set_allow_duck_clicks(false);
493 // clear out the ducks
494 //get_work_area()->clear_ducks();
496 // Refresh the work area
497 //get_work_area()->queue_draw();
499 // Hide the tables if they are showing
500 prev_table_status=get_canvas_view()->tables_are_visible();
501 //if(prev_table_status)get_canvas_view()->hide_tables();
503 // Disable the time bar
504 get_canvas_view()->set_sensitive_timebar(false);
507 //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateDraw_Context::on_user_click));
509 get_work_area()->set_cursor(Gdk::PENCIL);
511 App::toolbox->refresh();
517 void StateDraw_Context::UpdateErrorBox()
519 if(get_local_error_flag())
521 spin_globalthres.set_adjustment(adj_localthres);
522 spin_globalthres.set_value(adj_localthres.get_value());
523 spin_globalthres.set_increments(0.1,1);
526 spin_globalthres.set_adjustment(adj_globalthres);
527 spin_globalthres.set_value(adj_globalthres.get_value());
528 spin_globalthres.set_increments(0.01,.1);
531 spin_globalthres.update();
535 StateDraw_Context::refresh_tool_options()
537 App::dialog_tool_options->clear();
538 App::dialog_tool_options->set_widget(options_table);
539 App::dialog_tool_options->set_local_name(_("Draw Tool"));
540 App::dialog_tool_options->set_name("draw");
542 App::dialog_tool_options->add_button(
543 Gtk::StockID("synfig-fill"),
544 _("Fill Last Stroke")
545 )->signal_clicked().connect(
548 &StateDraw_Context::fill_last_stroke));
552 StateDraw_Context::event_refresh_tool_options(const Smach::event& /*x*/)
554 refresh_tool_options();
555 return Smach::RESULT_ACCEPT;
558 StateDraw_Context::~StateDraw_Context()
562 App::dialog_tool_options->clear();
564 get_work_area()->set_type_mask(old_duckmask);
566 get_work_area()->reset_cursor();
568 // Restore layer clicking
569 get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
571 // Restore duck clicking
572 get_work_area()->set_allow_duck_clicks(true);
574 // Enable the time bar
575 get_canvas_view()->set_sensitive_timebar(true);
577 // Bring back the tables if they were out before
578 if(prev_table_status)get_canvas_view()->show_tables();
580 // Refresh the work area
581 get_work_area()->queue_draw();
583 App::toolbox->refresh();
587 StateDraw_Context::event_stop_handler(const Smach::event& /*x*/)
589 //throw Smach::egress_exception();
591 return Smach::RESULT_OK;
595 StateDraw_Context::event_refresh_handler(const Smach::event& /*x*/)
598 return Smach::RESULT_ACCEPT;
602 StateDraw_Context::event_mouse_down_handler(const Smach::event& x)
604 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
609 // Enter the stroke state to get the stroke
610 get_canvas_view()->get_smach().push_state(&state_stroke);
611 return Smach::RESULT_ACCEPT;
615 return Smach::RESULT_OK;
619 #define SIMILAR_TANGENT_THRESHOLD (0.2)
624 debugclass(const synfig::String &x):x(x)
626 // synfig::warning(">>>>>>>>>>>>>>>>>>> "+x);
630 // synfig::warning("<<<<<<<<<<<<<<<<<<< "+x);
637 DepthCounter(int &i):i(i) { i++; }
638 ~DepthCounter() { i--; }
642 StateDraw_Context::event_stroke(const Smach::event& x)
644 // debugclass debugger("StateDraw_Context::event_stroke(const Smach::event& x)");
646 const EventStroke& event(*reinterpret_cast<const EventStroke*>(&x));
648 assert(event.stroke_data);
650 get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_outline_color());
654 DirtyTrap dirty_trap(get_work_area());
655 Smach::event_result result;
656 result=process_stroke(event.stroke_data,event.width_data,event.modifier&Gdk::CONTROL_MASK || event.modifier&Gdk::BUTTON2_MASK);
661 stroke_queue.push_back(pair<StrokeData,WidthData>(event.stroke_data,event.width_data));
663 return Smach::RESULT_ACCEPT;
667 StateDraw_Context::process_queue()
669 // debugclass debugger("StateDraw_Context::process_queue()");
672 DepthCounter depth_counter(nested);
673 while(!stroke_queue.empty())
675 pair<StrokeData,WidthData> front(stroke_queue.front());
676 process_stroke(front.first,front.second);
677 stroke_queue.pop_front();
683 StateDraw_Context::process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag)
685 // debugclass debugger("StateDraw_Context::process_stroke");
686 DepthCounter depth_counter(nested);
688 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);
691 // If we aren't using pressure width,
692 // then set all the width to 1
693 if(!get_pressure_width_flag())
695 std::list<synfig::Real>::iterator iter;
696 for(iter=width_data->begin();iter!=width_data->end();++iter)
702 //get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_outline_color());
703 //stroke_list.push_back(event.stroke_data);
706 std::list<synfig::BLinePoint> bline;
707 bool loop_bline_flag(false);
709 //Changed by Adrian - use resident class :)
710 //synfigapp::convert_stroke_to_bline(bline, *event.stroke_data,*event.width_data, synfigapp::Main::get_bline_width());
711 blineconv.width = synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc());
713 if(get_local_error_flag())
715 float pw = get_work_area()->get_pw();
716 float ph = get_work_area()->get_ph();
718 blineconv.pixelwidth = sqrt(pw*pw+ph*ph);
719 blineconv.smoothness = get_lthres();
722 blineconv.pixelwidth = 1;
723 blineconv.smoothness = get_gthres();
726 blineconv(bline,*stroke_data,*width_data);
728 //Postprocess to require minimum pressure
729 if(get_min_pressure_flag())
731 synfigapp::BLineConverter::EnforceMinWidth(bline,get_min_pressure());
734 // If the start and end points are similar, then make them the same point
735 if (get_auto_loop_flag() &&
737 (bline.front().get_vertex() - bline.back().get_vertex()).mag() <= radius)
739 loop_bline_flag=true;
743 while (bline.size() > 2 &&
744 (bline.front().get_vertex() - bline.back().get_vertex()).mag() <= radius)
746 tangent=bline.back().get_tangent1();
747 width=bline.back().get_width();
751 if(abs(bline.front().get_tangent1().norm()*tangent.norm().perp())>SIMILAR_TANGENT_THRESHOLD)
753 // If the tangents are not similar, then
754 // split the tangents
755 bline.front().set_split_tangent_flag(true);
756 bline.front().set_tangent1(tangent);
760 // If the tangents are similar, then set the tangent
761 // to the average of the two
762 bline.front().set_tangent((tangent+bline.front().get_tangent1())*0.5f);
765 // Add the widths of the two points
767 Real tmp_width(bline.front().get_width()+width);
768 tmp_width=tmp_width<=1?tmp_width:1;
769 bline.front().set_width(tmp_width);
773 // If the bline only has one blinepoint, then there is nothing to do.
776 // hide the 'stroke' line we were drawing, unless the user
777 // explicitly requests that they are kept
778 if (!getenv("SYNFIG_KEEP_ABORTED_DRAW_LINES"))
781 return Smach::RESULT_OK;
785 return new_region(bline,radius);
787 return new_bline(bline,loop_bline_flag,radius);
791 StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius)
793 synfigapp::SelectionManager::LayerList layer_list = get_canvas_view()->get_selection_manager()->get_selected_layers();
795 // Create the action group
796 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Sketch BLine"));
798 bool shift_origin = false;
799 Vector shift_origin_vector;
800 bool join_start_no_extend=false,join_finish_no_extend=false;
801 synfigapp::ValueDesc start_duck_value_desc,finish_duck_value_desc;
802 bool extend_start=false,extend_finish=false,complete_loop=false;
803 bool extend_start_join_same=false,extend_start_join_different=false;
804 bool extend_finish_join_same=false,extend_finish_join_different=false;
805 int start_duck_index = 0,finish_duck_index = 0; // initialized to keep the compiler happy; shouldn't be needed though
806 ValueNode_BLine::Handle start_duck_value_node_bline=NULL,finish_duck_value_node_bline=NULL;
808 // Find any ducks at the start or end that we might attach to
809 // (this used to only run if we didn't just draw a loop - ie. !loop_bline_flag
810 // but having loops auto-connect can be useful as well)
811 if(get_auto_extend_flag() || get_auto_link_flag())
813 etl::handle<Duck> start_duck(get_work_area()->find_duck(bline.front().get_vertex(),radius,Duck::TYPE_VERTEX));
814 etl::handle<Duck> finish_duck(get_work_area()->find_duck(bline.back().get_vertex(),radius,Duck::TYPE_VERTEX));
816 // check whether the start of the new line extends an
817 // existing line. this is only the case if the new
818 // line isn't a self-contained loop, and if the new
819 // line starts at one of the ends of an existing line
822 if(!(start_duck_value_desc=start_duck->get_value_desc()))break;
823 if(loop_bline_flag)break; // loops don't extend anything
824 if(!start_duck_value_desc.parent_is_value_node())break;
825 start_duck_index=start_duck_value_desc.get_index(); // which point on the line did we start drawing at
826 start_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(start_duck_value_desc.get_parent_value_node());
827 if(!get_auto_extend_flag())break;
829 // don't extend looped blines
830 if(start_duck_value_node_bline&&!start_duck_value_node_bline->get_loop()&&
831 // did we start drawing at either end of the line?
832 (start_duck_index==0||start_duck_index==start_duck_value_node_bline->link_count()-1))
836 shift_origin_vector=start_duck->get_origin();
840 // check whether the end of the new line extends an
841 // existing line. this is only the case if the new
842 // line isn't a self-contained loop, and if the new
843 // line ends at one of the ends of an existing line
846 if(!(finish_duck_value_desc=finish_duck->get_value_desc()))break;
847 if(loop_bline_flag)break;
848 if(!finish_duck_value_desc.parent_is_value_node())break;
849 finish_duck_index=finish_duck_value_desc.get_index();
850 finish_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(finish_duck_value_desc.get_parent_value_node());
851 if(!get_auto_extend_flag())break;
853 // don't extend looped blines
854 if(finish_duck_value_node_bline&&!finish_duck_value_node_bline->get_loop()&&
855 (finish_duck_index==0||finish_duck_index==finish_duck_value_node_bline->link_count()-1))
859 // we've started and finished drawing at the end of a bline. we can't
860 // extend both blines, so unless we started and finished at the 2 ends
861 // of the same bline, only extend the one we started on
862 if(start_duck_value_node_bline==finish_duck_value_node_bline)
863 complete_loop=extend_finish=true;
867 shift_origin_vector=finish_duck->get_origin();
872 // if the new line's start didn't extend an existing line,
873 // check whether it needs to be linked to an existing duck
874 if(!extend_start&&get_auto_link_flag()&&start_duck&&start_duck_value_desc)
875 switch(start_duck_value_desc.get_value_type())
877 case synfig::ValueBase::TYPE_BLINEPOINT:
878 start_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_desc.get_value_node()),0);
880 case synfig::ValueBase::TYPE_VECTOR:
881 if (shift_origin && shift_origin_vector != start_duck->get_origin())
884 shift_origin_vector = start_duck->get_origin();
885 get_canvas_interface()->auto_export(start_duck_value_desc);
887 if(start_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
888 extend_finish_join_same=true;
890 extend_finish_join_different=true;
892 join_start_no_extend=true;
897 // if the new line's end didn't extend an existing line,
898 // check whether it needs to be linked to an existing duck
899 if(!extend_finish&&get_auto_link_flag()&&finish_duck&&finish_duck_value_desc)
900 switch(finish_duck_value_desc.get_value_type())
902 case synfig::ValueBase::TYPE_BLINEPOINT:
903 finish_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_desc.get_value_node()),0);
905 case synfig::ValueBase::TYPE_VECTOR:
906 if (shift_origin && shift_origin_vector != finish_duck->get_origin())
909 shift_origin_vector = finish_duck->get_origin();
910 get_canvas_interface()->auto_export(finish_duck_value_desc);
912 if(finish_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
913 extend_start_join_same=true;
915 extend_start_join_different=true;
917 join_finish_no_extend=true;
923 ValueNode_BLine::Handle value_node;
924 std::list<synfig::BLinePoint> trans_bline;
927 std::list<synfig::BLinePoint>::iterator iter;
928 const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
930 for(iter=bline.begin();iter!=bline.end();++iter)
932 BLinePoint bline_point(*iter);
933 Point new_vertex(transform.unperform(bline_point.get_vertex()));
935 bline_point.set_tangent1(
937 bline_point.get_tangent1()+bline_point.get_vertex()
941 bline_point.set_tangent2(
943 bline_point.get_tangent2()+bline_point.get_vertex()
948 new_vertex=new_vertex-shift_origin_vector;
950 bline_point.set_vertex(new_vertex);
952 trans_bline.push_back(bline_point);
954 value_node=ValueNode_BLine::create(synfig::ValueBase(trans_bline,loop_bline_flag));
956 Canvas::Handle canvas(get_canvas_view()->get_canvas());
957 Layer::Handle layer(get_canvas_view()->get_selection_manager()->get_selected_layer());
958 if (layer) canvas=layer->get_canvas();
959 value_node->set_member_canvas(canvas);
962 Smach::event_result result;
963 synfig::ValueNode_DynamicList::ListEntry source;
965 // the new line's start extends an existing line
968 int target_offset = 0;
969 if(complete_loop)trans_bline.pop_back();
970 trans_bline.pop_front();
971 if(start_duck_index==0)
972 { // We need to reverse the BLine first.
973 reverse_bline(trans_bline);
974 result=extend_bline_from_begin(start_duck_value_node_bline,trans_bline,complete_loop);
975 source=start_duck_value_node_bline->list.front();
976 target_offset=trans_bline.size();
980 result=extend_bline_from_end(start_duck_value_node_bline,trans_bline,complete_loop);
981 source=start_duck_value_node_bline->list.back();
984 if(extend_start_join_different)
985 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
986 set_link("point",finish_duck_value_desc.get_value_node());
987 else if(extend_start_join_same)
988 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
989 set_link("point",synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_node_bline->
990 list[target_offset+finish_duck_index].value_node),0).get_value_node());
994 // the new line's end extends an existing line
997 int target_offset = 0;
998 trans_bline.pop_back();
999 if(finish_duck_index==0)
1001 result=extend_bline_from_begin(finish_duck_value_node_bline,trans_bline,false);
1002 source=finish_duck_value_node_bline->list.front();
1003 target_offset=trans_bline.size();
1006 { // We need to reverse the BLine first.
1007 reverse_bline(trans_bline);
1008 result=extend_bline_from_end(finish_duck_value_node_bline,trans_bline,false);
1009 source=finish_duck_value_node_bline->list.back();
1012 if(extend_finish_join_different)
1013 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
1014 set_link("point",start_duck_value_desc.get_value_node());
1015 else if(extend_finish_join_same)
1016 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
1017 set_link("point",synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_node_bline->
1018 list[target_offset+start_duck_index].value_node),0).get_value_node());
1022 if (join_start_no_extend)
1023 LinkableValueNode::Handle::cast_dynamic(value_node->list.front().value_node)->
1024 set_link("point",start_duck_value_desc.get_value_node());
1026 if (join_finish_no_extend)
1027 LinkableValueNode::Handle::cast_dynamic(value_node->list.back().value_node)->
1028 set_link("point",finish_duck_value_desc.get_value_node());
1030 if(get_auto_export_flag())
1031 if (!get_canvas_interface()->add_value_node(value_node,get_id()))
1033 /* it's no big deal, is it? let's keep the shape anyway */
1034 // get_canvas_view()->get_ui_interface()->error(_("Unable to add value node"));
1037 // return Smach::RESULT_ERROR;
1040 last_stroke=value_node;
1041 last_stroke_id=get_id();
1044 // Create the layer(s)
1045 Layer::Handle layer;
1046 Canvas::Handle canvas(get_canvas_view()->get_canvas());
1049 // we are temporarily using the layer to hold something
1050 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
1053 depth=layer->get_depth();
1054 canvas=layer->get_canvas();
1057 // fill_last_stroke() will take care of clearing the selection if we're calling it
1058 if(get_outline_flag() && get_region_flag())
1060 if (fill_last_stroke_and_unselect_other_layers() == Smach::RESULT_ERROR)
1062 get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
1063 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
1065 return Smach::RESULT_ERROR;
1069 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
1071 //int number(synfig::UniqueID().get_uid());
1073 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
1075 // if they're both defined, we'll add the region later
1076 if(get_outline_flag())
1078 layer=get_canvas_interface()->add_layer_to("outline",canvas,depth);
1081 get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
1082 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
1084 return Smach::RESULT_ERROR;
1086 layer->set_description(get_id()+_(" Outline"));
1090 layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
1093 get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
1094 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
1096 return Smach::RESULT_ERROR;
1098 layer->set_description(get_id()+_(" Region"));
1103 layer->set_param("feather",get_feather());
1104 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
1107 //layer->set_description(strprintf("Stroke %d",number));
1108 //get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
1111 get_canvas_interface()->
1112 change_value(synfigapp::ValueDesc(layer,"origin"),shift_origin_vector);
1114 synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
1118 action->set_param("canvas",get_canvas());
1119 action->set_param("canvas_interface",get_canvas_interface());
1120 action->set_param("layer",layer);
1121 if(!action->set_param("param",String("bline")))
1122 synfig::error("LayerParamConnect didn't like \"param\"");
1123 if(!action->set_param("value_node",ValueNode::Handle(value_node)))
1124 synfig::error("LayerParamConnect didn't like \"value_node\"");
1126 if(!get_canvas_interface()->get_instance()->perform_action(action))
1128 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
1132 return Smach::RESULT_ERROR;
1134 layer_list.push_back(layer);
1135 get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);
1140 return Smach::RESULT_ACCEPT;
1145 debug_show_vertex_list(int iteration, std::list<synfigapp::ValueDesc>& vertex_list,
1146 std::string title, int current)
1148 std::list<synfigapp::ValueDesc>::iterator i = vertex_list.begin();
1149 printf("\n%s\n ----- iter %d : ", title.c_str(), iteration);
1151 synfig::LinkableValueNode::Handle last = 0;
1156 bool started = false;
1157 for(;i!=vertex_list.end();i++,c++)
1159 synfigapp::ValueDesc value_desc(*i);
1161 if (value_desc.parent_is_value_node()) {
1162 if(value_desc.parent_is_linkable_value_node())
1164 index = value_desc.get_index();
1165 // printf("<%d>", index);
1166 if (last == synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node()))
1168 // printf("\n%s:%d\n", __FILE__, __LINE__);
1171 // printf("\n%s:%d\n", __FILE__, __LINE__);
1174 // printf("\n%s:%d\n", __FILE__, __LINE__);
1177 if (started) printf(", "); else started = true;
1178 printf("%d--%d", start, prev);
1182 if (started) printf(", "); else started = true;
1183 printf("%d", start);
1185 printf(", *%d*", index);
1190 // printf("\n%s:%d\n", __FILE__, __LINE__);
1191 if (index == start + 1)
1193 // printf("\n%s:%d\n", __FILE__, __LINE__);
1197 else if (index == start - 1)
1199 // printf("\n%s:%d\n", __FILE__, __LINE__);
1205 if (started) printf(", "); else started = true;
1206 printf("%d", start);
1210 else if (index == prev + dir)
1212 // printf("\n%s:%d\n", __FILE__, __LINE__);
1217 // printf("\n%s:%d\n", __FILE__, __LINE__);
1218 if (started) printf(", "); else started = true;
1220 printf("%d--%d", start, prev);
1222 printf("%d", start);
1223 // printf("\n%s:%d\n", __FILE__, __LINE__);
1230 // printf("\n%s:%d\n", __FILE__, __LINE__);
1233 if (started) printf(", "); else started = true;
1234 printf("*%d*", index);
1238 // printf("\n%s:%d\n", __FILE__, __LINE__);
1246 // printf("\n%s:%d\n", __FILE__, __LINE__);
1249 // printf("\n%s:%d\n", __FILE__, __LINE__);
1252 if (started) printf(", "); else started = true;
1254 printf("%d--%d", start, prev);
1256 printf("%d", start);
1258 // printf("\n%s:%d\n", __FILE__, __LINE__);
1261 // printf("\n%s:%d\n", __FILE__, __LINE__);
1262 last = synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node());
1263 printf("%d:(", synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node())->link_count());
1265 // printf("\n%s:%d\n", __FILE__, __LINE__);
1269 printf("*%d*", index);
1273 // printf("\n%s:%d\n", __FILE__, __LINE__);
1277 // printf("\n%s:%d\n", __FILE__, __LINE__);
1279 // printf("\n%s:%d\n", __FILE__, __LINE__);
1282 if (last) printf("?!) ");
1292 if (started) printf(", "); else started = true;
1296 printf("%d--%d", start, prev);
1298 printf("%d", start);
1305 #define debug_show_vertex_list(a,b,c,d)
1309 StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real radius)
1311 // Create the action group
1312 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Define Region"));
1314 std::list<synfigapp::ValueDesc> vertex_list;
1316 printf("new_region with %zd bline points\n", bline.size());
1318 // First we need to come up with a rough list of
1319 // BLinePoints that we are going to be using to
1320 // define our region.
1322 std::list<synfig::BLinePoint>::iterator iter;
1323 for(iter=bline.begin();iter!=bline.end();++iter)
1325 etl::handle<Duck> duck(get_work_area()->find_duck(iter->get_vertex(),0,Duck::TYPE_VERTEX));
1329 synfig::info(__FILE__":%d: Nothing to enclose!",__LINE__);
1330 return Smach::RESULT_OK;
1333 assert(duck->get_type()==Duck::TYPE_VERTEX);
1335 synfigapp::ValueDesc value_desc(duck->get_value_desc());
1339 synfig::info(__FILE__":%d: Got a hit, but no ValueDesc on this duck",__LINE__);
1343 switch(value_desc.get_value_type())
1345 case synfig::ValueBase::TYPE_BLINEPOINT:
1346 //if(vertex_list.empty() || value_desc!=vertex_list.back())
1347 vertex_list.push_back(value_desc);
1348 assert(vertex_list.back().is_valid());
1357 assert(vertex_list.back().is_valid());
1359 printf("vertex list with %zd bline points\n", vertex_list.size());
1361 // Remove any duplicates
1365 ValueNode_BLine::Handle value_node_bline;
1367 // Now we need to test for the trivial case,
1368 // which is where all of the vertices
1369 // come from one BLine.
1370 if(vertex_list.front().parent_is_linkable_value_node())
1372 bool trivial_case(true);
1373 ValueNode::Handle trivial_case_value_node;
1375 trivial_case_value_node=vertex_list.front().get_parent_value_node();
1377 std::list<synfigapp::ValueDesc>::iterator iter;
1378 for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
1380 if(trivial_case_value_node!=iter->get_parent_value_node())
1387 // \todo - re-enable this code
1388 if(trivial_case && false)
1390 synfig::info("all points are on the same bline, so just fill that line");
1391 value_node_bline=ValueNode_BLine::Handle::cast_dynamic(trivial_case_value_node);
1393 synfig::info("the line has %d vertices", value_node_bline->link_count());
1395 if(value_node_bline->link_count() <= 2)
1397 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1398 return Smach::RESULT_OK;
1403 if(!value_node_bline)
1404 if(vertex_list.size()<=2)
1406 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1407 return Smach::RESULT_OK;
1410 // Now we need to clean the list of vertices up
1411 // a bit. This includes inserting missing vertices
1412 // and removing extraneous ones.
1413 // We can do this in multiple passes.
1414 if(!value_node_bline)
1416 debug_show_vertex_list(0, vertex_list, "before shifting stuff", -1);
1417 // rearrange the list so that the first and last node are on different blines
1418 std::list<synfigapp::ValueDesc>::iterator iter, start;
1419 ValueNode::Handle last_value_node = vertex_list.back().get_parent_value_node();
1420 for(iter = vertex_list.begin(); iter!=vertex_list.end(); iter++)
1421 if (iter->get_parent_value_node() != last_value_node)
1423 vertex_list.insert(vertex_list.end(), vertex_list.begin(), iter);
1424 vertex_list.erase(vertex_list.begin(), iter);
1428 debug_show_vertex_list(0, vertex_list, "before detecting direction and limits", -1);
1429 // rearrange the list so that the first and last node are on different blines
1430 iter = vertex_list.begin();
1431 while (iter!=vertex_list.end())
1433 // make a note of which bline we're looking at
1434 ValueNode::Handle parent_value_node = iter->get_parent_value_node();
1436 int points_in_line = synfig::LinkableValueNode::Handle::cast_reinterpret(parent_value_node)->link_count();
1437 bool looped = (*parent_value_node)(get_time()).get_loop();
1438 int this_index, last_index = iter->get_index();
1439 int min_index = last_index, max_index = last_index;
1443 // printf("there are %d points in this line - first is index %d\n", points_in_line, last_index);
1445 // while we're looking at the same bline, keep going
1447 while (iter != vertex_list.end() && iter->get_parent_value_node() == parent_value_node)
1449 this_index = iter->get_index();
1450 // printf("index went from %d to %d\n", last_index, this_index);
1453 if (this_index - last_index > points_in_line/2)
1454 while (this_index - last_index > points_in_line/2)
1455 this_index -= points_in_line;
1456 else if (last_index - this_index > points_in_line/2)
1457 while (last_index - this_index > points_in_line/2)
1458 this_index += points_in_line;
1461 if (this_index < min_index) min_index = this_index;
1462 if (this_index > max_index) max_index = this_index;
1464 // printf("so let's imagine index went from %d to %d\n", last_index, this_index);
1465 if (this_index > last_index)
1467 else if (this_index < last_index)
1470 last_index = this_index;
1474 // printf("min %d and max %d\n", min_index, max_index);
1475 whole = max_index - min_index >= points_in_line;
1476 min_index = (min_index % points_in_line + points_in_line) % points_in_line;
1477 max_index = (max_index % points_in_line + points_in_line) % points_in_line;
1478 // they drew around a shape more than once - what's the start/end point? does it matter?
1479 if (whole) min_index = max_index = (min_index + max_index) / 2;
1480 // printf("processed min %d max %d whole %d\n", min_index, max_index, whole);
1486 // printf("whole (down) (%d) ", min_index);
1487 for (int i = min_index; i >= 0; i--)
1489 // printf("%d ", i);
1490 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1492 for (int i = points_in_line - 1; i >= min_index; i--)
1494 // printf("%d ", i);
1495 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1500 // printf("part (down) (%d -> %d) ", max_index, min_index);
1501 for (int i = max_index; i != min_index; i--)
1503 if (i == -1) i = points_in_line - 1;
1504 // printf("%d ", i);
1505 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1507 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, min_index));
1514 // printf("whole (%d) ", min_index);
1515 for (int i = min_index; i < points_in_line; i++)
1517 // printf("%d ", i);
1518 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1520 for (int i = 0; i <= min_index; i++)
1522 // printf("%d ", i);
1523 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1528 // printf("part (%d -> %d) ", min_index, max_index);
1529 for (int i = min_index; i != max_index; i++)
1531 if (i == points_in_line) i = 0;
1532 // printf("%d ", i);
1533 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, i));
1535 vertex_list.insert(start, synfigapp::ValueDesc(parent_value_node, max_index));
1539 // debug_show_vertex_list(0, vertex_list, "after insert", -1);
1540 vertex_list.erase(start, iter);
1541 // debug_show_vertex_list(0, vertex_list, "after delete", -1);
1544 debug_show_vertex_list(0, vertex_list, "continuous vertices", -1);
1546 // \todo reenable or delete this section
1548 for(bool done=false;!done && i<30;i++)
1550 debug_show_vertex_list(i, vertex_list, "in big loop", -1);
1552 // Set done to "true" for now. If
1553 // any updates are performed, we will
1554 // change it back to false.
1557 std::list<synfigapp::ValueDesc>::iterator prev,next;
1558 prev=vertex_list.end();prev--; // Set prev to the last ValueDesc
1559 next=vertex_list.begin();
1560 iter=next++; // Set iter to the first value desc, and next to the second
1563 for(;iter!=vertex_list.end();prev=iter,iter++,next++,current++)
1565 // we need to be able to erase(next) and can't do that if next is end()
1566 if (next == vertex_list.end()) next = vertex_list.begin();
1567 debug_show_vertex_list(i, vertex_list, "in loop around vertices", current);
1568 synfigapp::ValueDesc value_prev(*prev);
1569 synfigapp::ValueDesc value_desc(*iter);
1570 synfigapp::ValueDesc value_next(*next);
1572 assert(value_desc.is_valid());
1573 assert(value_next.is_valid());
1574 assert(value_prev.is_valid());
1576 // synfig::info("-------");
1577 // synfig::info(__FILE__":%d: value_prev 0x%08X:%d",__LINE__,value_prev.get_parent_value_node().get(),value_prev.get_index());
1578 // synfig::info(__FILE__":%d: value_desc 0x%08X:%d",__LINE__,value_desc.get_parent_value_node().get(),value_desc.get_index());
1579 // synfig::info(__FILE__":%d: value_next 0x%08X:%d",__LINE__,value_next.get_parent_value_node().get(),value_next.get_index());
1582 if(value_prev.parent_is_value_node() && value_desc.parent_is_value_node() && value_next.parent_is_value_node())
1584 // Remove random extraneous vertices
1585 if(value_prev.get_parent_value_node()==value_next.get_parent_value_node() &&
1586 value_prev.get_parent_value_node()!=value_desc.get_parent_value_node())
1588 vertex_list.erase(iter);
1595 // // Remove duplicate vertices
1597 // // if previous is the same as current or
1598 // // current is the same as next, remove current
1599 // if(value_prev.get_value_node()==value_desc.get_value_node() ||
1600 // value_desc.get_value_node()==value_next.get_value_node())
1602 // vertex_list.erase(iter);
1604 // printf("erased node - i = %d\n", i);
1608 // // if previous is the same as next, remove previous? or next?
1609 // if(value_prev.get_value_node()==value_next.get_value_node())
1611 // vertex_list.erase(next);
1612 // // vertex_list.erase(prev);
1614 // printf("erased node - i = %d\n", i);
1618 // if 'this' and 'next' both have parents
1619 if (value_desc.parent_is_value_node() && value_next.parent_is_value_node())
1621 // if they are both on the same bline - this has been handled by new code above
1622 if (value_desc.get_parent_value_node() == value_next.get_parent_value_node())
1624 // // if (next != vertex_list.end())
1626 // printf("parent loop is %d and node loop is ??\n",
1627 // (*(value_desc.get_parent_value_node()))(get_time()).get_loop()
1628 // // value_desc.get_value_node().get_loop(),
1631 // // Fill in missing vertices
1632 // // \todo take loops into account: seeing (15, 2, 3, 4) probably means that (0, 1) is missing, not 14 through 3
1633 // if(value_desc.get_index()<value_next.get_index()-1)
1635 // debug_show_vertex_list(i, vertex_list,
1636 // strprintf("same parent, different points this %d < next-1 %d",
1637 // value_desc.get_index(), ((value_next.get_index()-1))),
1639 // for (int index = value_desc.get_index()+1; index < value_next.get_index(); index++)
1641 // printf("inserting up %d\n", index);
1642 // vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
1644 // debug_show_vertex_list(i, vertex_list, "new list", current);
1648 // if(value_next.get_index()<value_desc.get_index()-1)
1650 // debug_show_vertex_list(i, vertex_list,
1651 // strprintf("same parent, different points next %d < this-1 %d",
1652 // value_next.get_index(), ((value_desc.get_index()-1))),
1654 // for (int index = value_desc.get_index()-1; index > value_next.get_index(); index--)
1656 // printf("inserting down %d\n", index);
1657 // vertex_list.insert(next, synfigapp::ValueDesc(value_desc.get_parent_value_node(), index));
1659 // debug_show_vertex_list(i, vertex_list, "new list", current);
1665 // 'this' and 'next' have different parents
1668 ValueNode::Handle v1 = value_desc.get_value_node();
1669 ValueNode::Handle v2 = value_desc.get_parent_value_node();
1673 printf("different\n");
1675 if (value_desc.get_value_node() != value_next.get_value_node())
1677 // Ensure that connections between blines are properly connected
1678 BLinePoint vertex(value_desc.get_value(get_time()).get(BLinePoint()));
1679 BLinePoint vertex_next(value_next.get_value(get_time()).get(BLinePoint()));
1681 //synfig::info("--------");
1682 //synfig::info(__FILE__":%d: vertex: [%f, %f]",__LINE__,vertex.get_vertex()[0],vertex.get_vertex()[1]);
1683 //synfig::info(__FILE__":%d: vertex_next: [%f, %f]",__LINE__,vertex_next.get_vertex()[0],vertex_next.get_vertex()[1]);
1685 // if this vertex is close to the next one, replace this vertex with a new one
1686 // and erase the next one
1687 printf("this point is %5.2f from the next point - compare with %5.2f\n",
1688 (vertex.get_vertex()-vertex_next.get_vertex()).mag_squared(),
1690 if((vertex.get_vertex()-vertex_next.get_vertex()).mag_squared()<radius*radius)
1692 printf("in one - it's close\n");
1693 ValueNode_Composite::Handle value_node;
1694 ValueNode_Composite::Handle value_node_next;
1695 value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node().clone());
1696 value_node_next=ValueNode_Composite::Handle::cast_dynamic(value_next.get_value_node().clone());
1697 if(!value_node || !value_node_next)
1699 synfig::info(__FILE__":%d: Unable to properly connect blines.",__LINE__);
1702 // \todo if next isn't split, don't we want to copy its 'Tangent 1' instead?
1703 value_node->set_link("t2",value_node_next->get_link("t2"));
1704 value_node->set_link("split",ValueNode_Const::create(true));
1706 // get_canvas_interface()->auto_export(value_node);
1707 printf("exporting\n");
1708 get_canvas_interface()->add_value_node(value_node,value_node->get_id() + strprintf("foo %d", rand()));
1710 assert(value_node->is_exported());
1711 // replace 'this' with the new valuenode
1712 *iter=synfigapp::ValueDesc(get_canvas(),value_node->get_id());
1713 printf("erasing next\n");
1714 printf("erasing next point\n");
1715 vertex_list.erase(next);
1718 } // this vertex isn't close to the next one
1719 else if (value_prev.parent_is_value_node())
1721 printf("in two - it's far\n");
1722 // \todo this only makes sense if prev is on the same bline
1723 printf("this is index %d\n", value_desc.get_index());
1724 printf("prev is index %d\n", value_prev.get_index());
1725 bool positive_trend(value_desc.get_index()>value_prev.get_index());
1729 printf("positive trend\n");
1730 printf("comparing index %d < link_count()-1 = %d-1 = %d\n",
1731 value_desc.get_index(),
1732 LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count(),
1733 LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1);
1734 if (value_desc.get_index()<LinkableValueNode::Handle::cast_static(value_desc.get_parent_value_node())->link_count()-1)
1736 printf("in two - b\n");
1737 printf("inserting node with index %d\n", value_desc.get_index()+1);
1738 vertex_list.insert(next,
1739 synfigapp::ValueDesc(value_desc.get_parent_value_node(),
1740 value_desc.get_index()+1));
1745 else // !positive_trend
1747 printf("negative trend\n");
1748 if(value_desc.get_index()>0)
1750 printf("in two - a\n");
1751 printf("inserting node on this line with index %d\n",
1752 value_desc.get_index()-1);
1753 vertex_list.insert(next,
1754 synfigapp::ValueDesc(value_desc.get_parent_value_node(),
1755 value_desc.get_index()-1));
1767 if(vertex_list.size()<=2)
1769 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1770 return Smach::RESULT_OK;
1773 debug_show_vertex_list(i, vertex_list, "finished tidying list", -1);
1776 // If we aren't the trivial case,
1777 // then go ahead and create the new
1779 if(!value_node_bline)
1781 synfig::info("not all points are on the same bline");
1782 value_node_bline=ValueNode_BLine::create();
1784 std::list<synfigapp::ValueDesc>::iterator iter;
1785 for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
1787 // Ensure that the vertex is exported.
1788 get_canvas_interface()->auto_export(*iter);
1790 value_node_bline->add(iter->get_value_node());
1791 //value_node_bline->add(ValueNode_BLine::ListEntry(iter->get_value_node()));
1794 value_node_bline->set_loop(true);
1797 get_canvas_interface()->auto_export(value_node_bline);
1799 // Now we create the region layer
1802 Layer::Handle layer;
1803 Canvas::Handle canvas(get_canvas_view()->get_canvas());
1806 // we are temporarily using the layer to hold something
1807 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
1810 depth=layer->get_depth();
1811 canvas=layer->get_canvas();
1814 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
1816 layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
1819 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
1821 return Smach::RESULT_ERROR;
1826 layer->set_param("feather",get_feather());
1827 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
1829 get_canvas_interface()->signal_layer_param_changed()(layer,"color");
1831 synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
1835 action->set_param("canvas",get_canvas());
1836 action->set_param("canvas_interface",get_canvas_interface());
1837 action->set_param("layer",layer);
1838 if(!action->set_param("param",String("bline")))
1839 synfig::error("LayerParamConnect didn't like \"param\"");
1840 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
1841 synfig::error("LayerParamConnect didn't like \"value_node\"");
1843 if(!get_canvas_interface()->get_instance()->perform_action(action))
1845 get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
1847 return Smach::RESULT_ERROR;
1849 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
1852 return Smach::RESULT_ACCEPT;
1856 StateDraw_Context::refresh_ducks()
1858 get_canvas_view()->queue_rebuild_ducks();
1860 get_work_area()->clear_ducks();
1863 std::list< etl::smart_ptr<std::list<synfig::Point> > >::iterator iter;
1865 for(iter=stroke_list.begin();iter!=stroke_list.end();++iter)
1867 get_work_area()->add_stroke(*iter);
1870 get_work_area()->queue_draw();
1876 StateDraw_Context::extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
1878 // Create the action group
1879 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
1883 synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListLoop"));
1886 action->set_param("canvas",get_canvas());
1887 action->set_param("canvas_interface",get_canvas_interface());
1888 action->set_param("value_node",ValueNode::Handle(value_node));
1890 if(!get_canvas_interface()->get_instance()->perform_action(action))
1892 get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
1894 return Smach::RESULT_ERROR;
1898 std::list<synfig::BLinePoint>::reverse_iterator iter;
1899 for(iter=bline.rbegin();!(iter==bline.rend());++iter)
1901 ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
1903 synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListInsert"));
1906 synfigapp::ValueDesc value_desc(value_node,0);
1908 action->set_param("canvas",get_canvas());
1909 action->set_param("canvas_interface",get_canvas_interface());
1910 action->set_param("value_desc",value_desc);
1911 if(!action->set_param("item",ValueNode::Handle(composite)))
1912 synfig::error("ACTION didn't like \"item\"");
1914 if(!get_canvas_interface()->get_instance()->perform_action(action))
1916 get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
1919 return Smach::RESULT_ERROR;
1922 last_stroke=value_node;
1923 return Smach::RESULT_ACCEPT;
1927 StateDraw_Context::extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
1929 // Create the action group
1930 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
1934 synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListLoop"));
1937 action->set_param("canvas",get_canvas());
1938 action->set_param("canvas_interface",get_canvas_interface());
1939 action->set_param("value_node",ValueNode::Handle(value_node));
1941 if(!get_canvas_interface()->get_instance()->perform_action(action))
1943 get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
1945 return Smach::RESULT_ERROR;
1949 std::list<synfig::BLinePoint>::iterator iter;
1950 for(iter=bline.begin();iter!=bline.end();++iter)
1952 ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
1954 synfigapp::Action::Handle action(synfigapp::Action::create("ValueNodeDynamicListInsert"));
1957 synfigapp::ValueDesc value_desc(value_node,value_node->link_count());
1959 action->set_param("canvas",get_canvas());
1960 action->set_param("canvas_interface",get_canvas_interface());
1961 action->set_param("value_desc",value_desc);
1962 if(!action->set_param("item",ValueNode::Handle(composite)))
1963 synfig::error("ACTION didn't like \"item\"");
1965 if(!get_canvas_interface()->get_instance()->perform_action(action))
1967 get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
1970 return Smach::RESULT_ERROR;
1973 last_stroke=value_node;
1974 return Smach::RESULT_ACCEPT;
1978 StateDraw_Context::reverse_bline(std::list<synfig::BLinePoint> &bline)
1982 std::list<synfig::BLinePoint>::iterator iter,eiter;
1986 for(i=0;i<(int)bline.size()/2;++iter,--eiter,i++)
1988 iter_swap(iter,eiter);
1995 StateDraw_Context::fill_last_stroke_and_unselect_other_layers()
1998 return Smach::RESULT_OK;
2000 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Fill Stroke"));
2002 Layer::Handle layer;
2004 get_canvas_interface()->auto_export(last_stroke);
2006 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
2008 Canvas::Handle canvas(get_canvas_view()->get_canvas());
2011 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
2014 depth=layer->get_depth();
2015 canvas=layer->get_canvas();
2018 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
2019 layer=get_canvas_interface()->add_layer_to("region", canvas, depth);
2020 if (!layer) return Smach::RESULT_ERROR;
2021 layer->set_description(last_stroke_id + _(" Region"));
2023 synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
2027 action->set_param("canvas",get_canvas());
2028 action->set_param("canvas_interface",get_canvas_interface());
2029 action->set_param("layer",layer);
2030 if(!action->set_param("param",String("bline")))
2031 synfig::error("LayerParamConnect didn't like \"param\"");
2032 if(!action->set_param("value_node",ValueNode::Handle(last_stroke)))
2033 synfig::error("LayerParamConnect didn't like \"value_node\"");
2035 if(!get_canvas_interface()->get_instance()->perform_action(action))
2037 get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
2039 return Smach::RESULT_OK;
2041 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
2042 return Smach::RESULT_OK;
2046 StateDraw_Context::fill_last_stroke()
2051 synfigapp::SelectionManager::LayerList layer_list = get_canvas_view()->get_selection_manager()->get_selected_layers();
2052 fill_last_stroke_and_unselect_other_layers();
2053 get_canvas_view()->get_selection_manager()->set_selected_layers(layer_list);