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
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === H E A D E R S ======================================================= */
32 #include <gtkmm/dialog.h>
33 #include <gtkmm/entry.h>
35 #include <synfig/valuenode_dynamiclist.h>
37 #include "state_draw.h"
38 #include "state_stroke.h"
39 #include "canvasview.h"
42 #include <synfig/valuenode_bline.h>
43 #include <synfig/valuenode_composite.h>
44 #include <ETL/hermite>
45 #include <ETL/calculus>
47 #include "event_mouse.h"
48 #include "event_layerclick.h"
51 #include <synfigapp/blineconvert.h>
52 #include <synfigapp/main.h>
54 #include <ETL/gaussian>
55 #include "dialog_tooloptions.h"
57 #include <gtkmm/table.h>
58 #include <gtkmm/label.h>
59 #include <gtkmm/button.h>
60 #include <gtkmm/checkbutton.h>
61 #include <gtkmm/scale.h>
62 #include <sigc++/connection.h>
66 /* === U S I N G =========================================================== */
70 using namespace synfig;
71 using namespace studio;
73 /* === M A C R O S ========================================================= */
75 /* === G L O B A L S ======================================================= */
77 StateDraw studio::state_draw;
79 /* === C L A S S E S & S T R U C T S ======================================= */
81 class studio::StateDraw_Context : public sigc::trackable
83 typedef etl::smart_ptr<std::list<synfig::Point> > StrokeData;
84 typedef etl::smart_ptr<std::list<synfig::Real> > WidthData;
86 typedef list< pair<StrokeData,WidthData> > StrokeQueue;
88 StrokeQueue stroke_queue;
91 etl::handle<CanvasView> canvas_view_;
92 CanvasView::IsWorking is_working;
94 bool prev_table_status;
96 bool prev_workarea_layer_status_;
99 SigC::Connection process_queue_connection;
101 ValueNode_BLine::Handle last_stroke;
105 //Duckmatic::Push duckmatic_push;
107 std::list< etl::smart_ptr<std::list<synfig::Point> > > stroke_list;
109 void refresh_ducks();
111 Duckmatic::Type old_duckmask;
113 void fill_last_stroke();
115 Smach::event_result new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius);
117 Smach::event_result new_region(std::list<synfig::BLinePoint> bline,synfig::Real radius);
119 Smach::event_result extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
120 Smach::event_result extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop);
121 void reverse_bline(std::list<synfig::BLinePoint> &bline);
123 synfigapp::Settings& settings;
125 Gtk::Table options_table;
126 Gtk::CheckButton checkbutton_pressure_width;
127 Gtk::CheckButton checkbutton_round_ends;
128 Gtk::CheckButton checkbutton_auto_loop; // whether to loop new strokes which start and end in the same place
129 Gtk::CheckButton checkbutton_auto_extend; // whether to extend existing lines
130 Gtk::CheckButton checkbutton_auto_link; // whether to link new ducks to existing ducks
131 Gtk::CheckButton checkbutton_region_only;
132 Gtk::Button button_fill_last_stroke;
134 //pressure spinner and such
135 Gtk::Adjustment adj_min_pressure;
136 Gtk::SpinButton spin_min_pressure;
137 Gtk::CheckButton check_min_pressure;
139 Gtk::Adjustment adj_feather;
140 Gtk::SpinButton spin_feather;
142 Gtk::Adjustment adj_globalthres;
143 Gtk::SpinButton spin_globalthres;
145 Gtk::Adjustment adj_localthres;
146 Gtk::CheckButton check_localerror;
147 void UpdateErrorBox(); //switches the stuff if need be :)
149 //Added by Adrian - data drive HOOOOO
150 synfigapp::BLineConverter blineconv;
153 bool get_pressure_width_flag()const { return checkbutton_pressure_width.get_active(); }
154 void set_pressure_width_flag(bool x) { return checkbutton_pressure_width.set_active(x); }
156 bool get_auto_loop_flag()const { return checkbutton_auto_loop.get_active(); }
157 void set_auto_loop_flag(bool x) { return checkbutton_auto_loop.set_active(x); }
159 bool get_auto_extend_flag()const { return checkbutton_auto_extend.get_active(); }
160 void set_auto_extend_flag(bool x) { return checkbutton_auto_extend.set_active(x); }
162 bool get_auto_link_flag()const { return checkbutton_auto_link.get_active(); }
163 void set_auto_link_flag(bool x) { return checkbutton_auto_link.set_active(x); }
165 bool get_region_only_flag()const { return checkbutton_region_only.get_active(); }
166 void set_region_only_flag(bool x) { return checkbutton_region_only.set_active(x); }
168 Real get_min_pressure() const { return adj_min_pressure.get_value(); }
169 void set_min_pressure(Real x) { return adj_min_pressure.set_value(x); }
171 Real get_feather() const { return adj_feather.get_value(); }
172 void set_feather(Real x) { return adj_feather.set_value(x); }
174 Real get_gthres() const { return adj_globalthres.get_value(); }
175 void set_gthres(Real x) { return adj_globalthres.set_value(x); }
177 Real get_lthres() const { return adj_localthres.get_value(); }
178 void set_lthres(Real x) { return adj_localthres.set_value(x); }
180 bool get_local_error_flag() const { return check_localerror.get_active(); }
181 void set_local_error_flag(bool x) { check_localerror.set_active(x); }
183 bool get_min_pressure_flag()const { return check_min_pressure.get_active(); }
184 void set_min_pressure_flag(bool x) { check_min_pressure.set_active(x); }
186 void load_settings();
187 void save_settings();
189 Smach::event_result event_stop_handler(const Smach::event& x);
191 Smach::event_result event_refresh_handler(const Smach::event& x);
193 Smach::event_result event_mouse_down_handler(const Smach::event& x);
195 Smach::event_result event_stroke(const Smach::event& x);
196 Smach::event_result event_refresh_tool_options(const Smach::event& x);
197 void refresh_tool_options();
199 Smach::event_result process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag=false);
201 bool process_queue();
204 StateDraw_Context(CanvasView* canvas_view);
206 ~StateDraw_Context();
208 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
209 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
210 synfig::Time get_time()const { return get_canvas_interface()->get_time(); }
211 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
212 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
214 //void on_user_click(synfig::Point point);
217 }; // END of class StateDraw_Context
220 /* === M E T H O D S ======================================================= */
222 StateDraw::StateDraw():
223 Smach::state<StateDraw_Context>("draw")
225 insert(event_def(EVENT_STOP,&StateDraw_Context::event_stop_handler));
226 insert(event_def(EVENT_REFRESH,&StateDraw_Context::event_refresh_handler));
227 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateDraw_Context::event_mouse_down_handler));
228 insert(event_def(EVENT_WORKAREA_STROKE,&StateDraw_Context::event_stroke));
229 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateDraw_Context::event_refresh_tool_options));
232 StateDraw::~StateDraw()
238 StateDraw_Context::load_settings()
242 if(settings.get_value("draw.pressure_width",value) && value=="0")
243 set_pressure_width_flag(false);
245 set_pressure_width_flag(true);
247 if(settings.get_value("draw.auto_loop",value) && value=="0")
248 set_auto_loop_flag(false);
250 set_auto_loop_flag(true);
252 if(settings.get_value("draw.auto_extend",value) && value=="0")
253 set_auto_extend_flag(false);
255 set_auto_extend_flag(true);
257 if(settings.get_value("draw.auto_link",value) && value=="0")
258 set_auto_link_flag(false);
260 set_auto_link_flag(true);
262 if(settings.get_value("draw.region_only",value) && value=="1")
263 set_region_only_flag(true);
265 set_region_only_flag(false);
267 if(settings.get_value("draw.min_pressure_on",value) && value=="0")
268 set_min_pressure_flag(false);
270 set_min_pressure_flag(true);
272 if(settings.get_value("draw.min_pressure",value))
274 Real n = atof(value.c_str());
279 if(settings.get_value("draw.feather",value))
281 Real n = atof(value.c_str());
286 if(settings.get_value("draw.gthreshold",value))
288 Real n = atof(value.c_str());
292 if(settings.get_value("draw.lthreshold",value))
294 Real n = atof(value.c_str());
298 if(settings.get_value("draw.localize",value) && value == "1")
299 set_local_error_flag(true);
301 set_local_error_flag(false);
305 StateDraw_Context::save_settings()
307 settings.set_value("draw.pressure_width",get_pressure_width_flag()?"1":"0");
308 settings.set_value("draw.auto_loop",get_auto_loop_flag()?"1":"0");
309 settings.set_value("draw.auto_extend",get_auto_extend_flag()?"1":"0");
310 settings.set_value("draw.auto_link",get_auto_link_flag()?"1":"0");
311 settings.set_value("draw.region_only",get_region_only_flag()?"1":"0");
312 settings.set_value("draw.min_pressure",strprintf("%f",get_min_pressure()));
313 settings.set_value("draw.feather",strprintf("%f",get_feather()));
314 settings.set_value("draw.min_pressure_on",get_min_pressure_flag()?"1":"0");
315 settings.set_value("draw.gthreshold",strprintf("%f",get_gthres()));
316 settings.set_value("draw.lthreshold",strprintf("%f",get_lthres()));
317 settings.set_value("draw.localize",get_local_error_flag()?"1":"0");
320 StateDraw_Context::StateDraw_Context(CanvasView* canvas_view):
321 canvas_view_(canvas_view),
322 is_working(*canvas_view),
324 prev_workarea_layer_status_(get_work_area()->allow_layer_clicks),
325 settings(synfigapp::Main::get_selected_input_device()->settings()),
326 checkbutton_pressure_width(_("Pressure Width")),
327 checkbutton_auto_loop(_("Auto Loop")),
328 checkbutton_auto_extend(_("Auto Extend")),
329 checkbutton_auto_link(_("Auto Link")),
330 checkbutton_region_only(_("Create Region Only")),
331 button_fill_last_stroke(_("Fill Last Stroke")),
332 adj_min_pressure(0,0,1,0.01,0.1),
333 spin_min_pressure(adj_min_pressure,0.1,3),
334 check_min_pressure(_("Min Pressure")),
335 adj_feather(0,0,10000,0.01,0.1),
336 spin_feather(adj_feather,0.01,4),
337 adj_globalthres(.70f,0.01,10000,0.01,0.1),
338 spin_globalthres(adj_globalthres,0.01,3),
339 adj_localthres(20,1,100000,0.1,1),
340 check_localerror(_("LocalError"))
343 synfig::info("STATE SKETCH: entering state");
350 //options_table.attach(*manage(new Gtk::Label(_("Draw Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
351 options_table.attach(checkbutton_pressure_width, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
352 options_table.attach(checkbutton_auto_loop, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
353 options_table.attach(checkbutton_auto_extend, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
354 options_table.attach(checkbutton_auto_link, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
355 options_table.attach(checkbutton_region_only, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
357 options_table.attach(check_min_pressure, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
358 options_table.attach(spin_min_pressure, 0, 2, 7, 8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
360 options_table.attach(*manage(new Gtk::Label(_("Feather"))), 0, 1, 7, 8, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
361 options_table.attach(spin_feather, 1, 2, 8, 9, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
363 options_table.attach(check_localerror, 0, 2, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
364 options_table.attach(*manage(new Gtk::Label(_("Smooth"))), 0, 1, 9, 10, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
365 options_table.attach(spin_globalthres, 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
367 //options_table.attach(button_fill_last_stroke, 0, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
369 button_fill_last_stroke.signal_pressed().connect(sigc::mem_fun(*this,&StateDraw_Context::fill_last_stroke));
370 check_localerror.signal_toggled().connect(sigc::mem_fun(*this,&StateDraw_Context::UpdateErrorBox));
372 options_table.show_all();
373 refresh_tool_options();
374 //App::dialog_tool_options->set_widget(options_table);
375 App::dialog_tool_options->present();
378 old_duckmask=get_work_area()->get_type_mask();
379 get_work_area()->set_type_mask(Duck::TYPE_ALL-Duck::TYPE_TANGENT-Duck::TYPE_WIDTH);
381 // Turn off layer clicking
382 get_work_area()->allow_layer_clicks=false;
384 // Turn off duck clicking
385 get_work_area()->allow_duck_clicks=false;
387 // clear out the ducks
388 //get_work_area()->clear_ducks();
390 // Refresh the work area
391 //get_work_area()->queue_draw();
393 // Hide the tables if they are showing
394 prev_table_status=get_canvas_view()->tables_are_visible();
395 //if(prev_table_status)get_canvas_view()->hide_tables();
397 // Disable the time bar
398 get_canvas_view()->set_sensitive_timebar(false);
401 //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateDraw_Context::on_user_click));
403 get_canvas_view()->work_area->set_cursor(Gdk::PENCIL);
405 App::toolbox->refresh();
411 void StateDraw_Context::UpdateErrorBox()
413 if(get_local_error_flag())
415 spin_globalthres.set_adjustment(adj_localthres);
416 spin_globalthres.set_value(adj_localthres.get_value());
417 spin_globalthres.set_increments(0.1,1);
420 spin_globalthres.set_adjustment(adj_globalthres);
421 spin_globalthres.set_value(adj_globalthres.get_value());
422 spin_globalthres.set_increments(0.01,.1);
425 spin_globalthres.update();
429 StateDraw_Context::refresh_tool_options()
431 App::dialog_tool_options->clear();
432 App::dialog_tool_options->set_widget(options_table);
433 App::dialog_tool_options->set_local_name(_("Draw Tool"));
434 App::dialog_tool_options->set_name("draw");
436 App::dialog_tool_options->add_button(
437 Gtk::StockID("synfig-fill"),
438 _("Fill Last Stroke")
439 )->signal_clicked().connect(
442 &StateDraw_Context::fill_last_stroke
449 StateDraw_Context::event_refresh_tool_options(const Smach::event& x)
451 refresh_tool_options();
452 return Smach::RESULT_ACCEPT;
455 StateDraw_Context::~StateDraw_Context()
459 App::dialog_tool_options->clear();
461 get_work_area()->set_type_mask(old_duckmask);
463 get_canvas_view()->work_area->reset_cursor();
465 // Restore layer clicking
466 get_work_area()->allow_layer_clicks=prev_workarea_layer_status_;
468 // Restore duck clicking
469 get_work_area()->allow_duck_clicks=true;
471 // Enable the time bar
472 get_canvas_view()->set_sensitive_timebar(true);
474 // Bring back the tables if they were out before
475 if(prev_table_status)get_canvas_view()->show_tables();
477 // Refresh the work area
478 get_work_area()->queue_draw();
480 App::toolbox->refresh();
484 StateDraw_Context::event_stop_handler(const Smach::event& x)
486 throw Smach::egress_exception();
490 StateDraw_Context::event_refresh_handler(const Smach::event& x)
493 return Smach::RESULT_ACCEPT;
497 StateDraw_Context::event_mouse_down_handler(const Smach::event& x)
499 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
504 // Enter the stroke state to get the stroke
505 get_canvas_view()->get_smach().push_state(&state_stroke);
506 return Smach::RESULT_ACCEPT;
509 case BUTTON_RIGHT: // Intercept the right-button click to short-circut the pop-up menu
510 return Smach::RESULT_ACCEPT;
513 return Smach::RESULT_OK;
517 #define SIMILAR_TANGENT_THRESHOLD (0.2)
522 debugclass(const synfig::String &x):x(x)
524 // synfig::warning(">>>>>>>>>>>>>>>>>>> "+x);
528 // synfig::warning("<<<<<<<<<<<<<<<<<<< "+x);
535 DepthCounter(int &i):i(i) { i++; }
536 ~DepthCounter() { i--; }
540 StateDraw_Context::event_stroke(const Smach::event& x)
542 // debugclass debugger("StateDraw_Context::event_stroke(const Smach::event& x)");
544 const EventStroke& event(*reinterpret_cast<const EventStroke*>(&x));
546 assert(event.stroke_data);
548 get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_foreground_color());
552 DirtyTrap dirty_trap(get_work_area());
553 Smach::event_result result;
554 result=process_stroke(event.stroke_data,event.width_data,event.modifier&Gdk::CONTROL_MASK || event.modifier&Gdk::BUTTON2_MASK);
559 stroke_queue.push_back(pair<StrokeData,WidthData>(event.stroke_data,event.width_data));
561 return Smach::RESULT_ACCEPT;
565 StateDraw_Context::process_queue()
567 // debugclass debugger("StateDraw_Context::process_queue()");
570 DepthCounter depth_counter(nested);
571 while(!stroke_queue.empty())
573 pair<StrokeData,WidthData> front(stroke_queue.front());
574 process_stroke(front.first,front.second);
575 stroke_queue.pop_front();
581 StateDraw_Context::process_stroke(StrokeData stroke_data, WidthData width_data, bool region_flag)
583 // debugclass debugger("StateDraw_Context::process_stroke");
584 DepthCounter depth_counter(nested);
586 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);
589 // If we aren't using pressure width,
590 // then set all the width to 1
591 if(!get_pressure_width_flag())
593 std::list<synfig::Real>::iterator iter;
594 for(iter=width_data->begin();iter!=width_data->end();++iter)
600 //get_work_area()->add_stroke(event.stroke_data,synfigapp::Main::get_foreground_color());
601 //stroke_list.push_back(event.stroke_data);
604 std::list<synfig::BLinePoint> bline;
605 bool loop_bline_flag(false);
607 //Changed by Adrian - use resident class :)
608 //synfigapp::convert_stroke_to_bline(bline, *event.stroke_data,*event.width_data, synfigapp::Main::get_bline_width());
609 blineconv.width = synfigapp::Main::get_bline_width().units(get_canvas()->rend_desc());
611 if(get_local_error_flag())
613 float pw = get_work_area()->get_pw();
614 float ph = get_work_area()->get_ph();
616 blineconv.pixelwidth = sqrt(pw*pw+ph*ph);
617 blineconv.smoothness = get_lthres();
620 blineconv.pixelwidth = 1;
621 blineconv.smoothness = get_gthres();
624 blineconv(bline,*stroke_data,*width_data);
626 //Postprocess to require minimum pressure
627 if(get_min_pressure_flag())
629 synfigapp::BLineConverter::EnforceMinWidth(bline,get_min_pressure());
632 // If the start and end points are similar, then make them the same point
633 if(get_auto_loop_flag() &&
634 bline.size()>2&&(bline.front().get_vertex()-bline.back().get_vertex()).mag()<=radius)
636 loop_bline_flag=true;
640 while(bline.size()>2&&(bline.front().get_vertex()-bline.back().get_vertex()).mag()<=radius)
642 tangent=bline.back().get_tangent1();
643 width=bline.back().get_width();
647 if(abs(bline.front().get_tangent1().norm()*tangent.norm().perp())>SIMILAR_TANGENT_THRESHOLD)
649 // If the tangents are not similar, then
650 // split the tangents
651 bline.front().set_split_tangent_flag(true);
652 bline.front().set_tangent1(tangent);
656 // If the tangents are similar, then set the tangent
657 // to the average of the two
658 bline.front().set_tangent((tangent+bline.front().get_tangent1())*0.5f);
661 // Add the widths of the two points
663 Real width(bline.front().get_width()+width);
664 width=width<=1?width:1;
665 bline.front().set_width(width);
669 // If the bline only has once blinepoint, then there is nothing to do.
671 return Smach::RESULT_OK;
674 return new_region(bline,radius);
676 return new_bline(bline,loop_bline_flag,radius);
680 StateDraw_Context::new_bline(std::list<synfig::BLinePoint> bline,bool loop_bline_flag,float radius)
682 // Create the action group
683 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Sketch BLine"));
685 bool shift_offset = false;
686 Vector shift_offset_vector;
687 bool join_start_no_extend=false,join_finish_no_extend=false;
688 synfigapp::ValueDesc start_duck_value_desc,finish_duck_value_desc;
689 bool extend_start=false,extend_finish=false,complete_loop=false;
690 bool extend_start_join_same=false,extend_start_join_different=false;
691 bool extend_finish_join_same=false,extend_finish_join_different=false;
692 int start_duck_index,finish_duck_index;
693 ValueNode_BLine::Handle start_duck_value_node_bline=NULL,finish_duck_value_node_bline=NULL;
695 // Find any ducks at the start or end that we might attach to
696 // (this used to only run if we aren't a loop - ie. !loop_bline_flag
697 // but having loops auto-connect can be useful as well)
698 if(get_auto_extend_flag() || get_auto_link_flag())
700 etl::handle<Duck> start_duck(get_work_area()->find_duck(bline.front().get_vertex(),radius,Duck::TYPE_VERTEX));
701 etl::handle<Duck> finish_duck(get_work_area()->find_duck(bline.back().get_vertex(),radius,Duck::TYPE_VERTEX));
703 // check whether the start of the new line extends an
704 // existing line. this is only the case if the new
705 // line isn't a self-contained loop, and if the new
706 // line starts at one of the ends of an existing line
709 if(!(start_duck_value_desc=start_duck->get_value_desc()))break;
710 if(loop_bline_flag)break;
711 if(!start_duck_value_desc.parent_is_value_node())break;
712 start_duck_index=start_duck_value_desc.get_index();
713 start_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(start_duck_value_desc.get_parent_value_node());
714 if(!get_auto_extend_flag())break;
716 // don't extend looped blines
717 if(start_duck_value_node_bline&&!start_duck_value_node_bline->get_loop()&&
718 (start_duck_index==0||start_duck_index==start_duck_value_node_bline->link_count()-1))
722 shift_offset_vector=start_duck->get_origin();
726 // check whether the end of the new line extends an
727 // existing line. this is only the case if the new
728 // line isn't a self-contained loop, and if the new
729 // line ends at one of the ends of an existing line
732 if(!(finish_duck_value_desc=finish_duck->get_value_desc()))break;
733 if(loop_bline_flag)break;
734 if(!finish_duck_value_desc.parent_is_value_node())break;
735 finish_duck_index=finish_duck_value_desc.get_index();
736 finish_duck_value_node_bline=ValueNode_BLine::Handle::cast_dynamic(finish_duck_value_desc.get_parent_value_node());
737 if(!get_auto_extend_flag())break;
739 // don't extend looped blines
740 if(finish_duck_value_node_bline&&!finish_duck_value_node_bline->get_loop()&&
741 (finish_duck_index==0||finish_duck_index==finish_duck_value_node_bline->link_count()-1))
744 // we've started and finished drawing at the end of a bline. we can't
745 // extend both blines, so unless we started and finished at the 2 ends
746 // of the same bline, only extend the one we started on
747 if(start_duck_value_node_bline==finish_duck_value_node_bline)
748 complete_loop=extend_finish=true;
752 shift_offset_vector=finish_duck->get_origin();
756 // if the new line's start didn't extend an existing line,
757 // check whether it needs to be linked to an existing duck
758 if(!extend_start&&get_auto_link_flag()&&start_duck&&start_duck_value_desc)
759 switch(start_duck_value_desc.get_value_type())
761 case synfig::ValueBase::TYPE_BLINEPOINT:
762 start_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_desc.get_value_node()),0);
764 case synfig::ValueBase::TYPE_VECTOR:
765 if (shift_offset && shift_offset_vector != start_duck->get_origin())
768 shift_offset_vector = start_duck->get_origin();
769 get_canvas_interface()->auto_export(start_duck_value_desc);
771 if(start_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
772 extend_finish_join_same=true;
774 extend_finish_join_different=true;
776 join_start_no_extend=true;
781 // if the new line's end didn't extend an existing line,
782 // check whether it needs to be linked to an existing duck
783 if(!extend_finish&&get_auto_link_flag()&&finish_duck&&finish_duck_value_desc)
784 switch(finish_duck_value_desc.get_value_type())
786 case synfig::ValueBase::TYPE_BLINEPOINT:
787 finish_duck_value_desc=synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_desc.get_value_node()),0);
789 case synfig::ValueBase::TYPE_VECTOR:
790 if (shift_offset && shift_offset_vector != finish_duck->get_origin())
793 shift_offset_vector = finish_duck->get_origin();
794 get_canvas_interface()->auto_export(finish_duck_value_desc);
796 if(finish_duck_value_node_bline&&start_duck_value_node_bline==finish_duck_value_node_bline)
797 extend_start_join_same=true;
799 extend_start_join_different=true;
801 join_finish_no_extend=true;
807 ValueNode_BLine::Handle value_node;
808 std::list<synfig::BLinePoint> trans_bline;
811 std::list<synfig::BLinePoint>::iterator iter;
812 const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
814 for(iter=bline.begin();iter!=bline.end();++iter)
816 BLinePoint bline_point(*iter);
817 Point new_vertex(transform.unperform(bline_point.get_vertex()));
819 bline_point.set_tangent1(
821 bline_point.get_tangent1()+bline_point.get_vertex()
825 bline_point.set_tangent2(
827 bline_point.get_tangent2()+bline_point.get_vertex()
832 new_vertex=new_vertex-shift_offset_vector;
834 bline_point.set_vertex(new_vertex);
836 trans_bline.push_back(bline_point);
838 value_node=ValueNode_BLine::create(synfig::ValueBase(trans_bline,loop_bline_flag));
841 Smach::event_result result;
842 synfig::ValueNode_DynamicList::ListEntry source;
845 // the new line's start extends an existing line
848 if(complete_loop)trans_bline.pop_back();
849 trans_bline.pop_front();
850 if(start_duck_index==0)
851 { // We need to reverse the BLine first.
852 reverse_bline(trans_bline);
853 result=extend_bline_from_begin(start_duck_value_node_bline,trans_bline,complete_loop);
854 source=start_duck_value_node_bline->list.front();
855 target_index=trans_bline.size()+finish_duck_index;
859 result=extend_bline_from_end(start_duck_value_node_bline,trans_bline,complete_loop);
860 source=start_duck_value_node_bline->list.back();
861 target_index=finish_duck_index;
864 if(extend_start_join_different)
865 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
866 set_link(0,finish_duck_value_desc.get_value_node());
867 else if(extend_start_join_same)
868 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
869 set_link(0,synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(start_duck_value_node_bline->
870 list[target_index].value_node),0).get_value_node());
874 // the new line's end extends an existing line
876 { // SPECIAL CASE -- EXTENSION
877 trans_bline.pop_back();
878 if(finish_duck_index==0)
880 result=extend_bline_from_begin(finish_duck_value_node_bline,trans_bline,false);
881 source=finish_duck_value_node_bline->list.front();
882 target_index=trans_bline.size()+start_duck_index;
885 { // We need to reverse the BLine first.
886 reverse_bline(trans_bline);
887 result=extend_bline_from_end(finish_duck_value_node_bline,trans_bline,false);
888 source=finish_duck_value_node_bline->list.back();
889 target_index=start_duck_index;
892 if(extend_finish_join_different)
893 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
894 set_link(0,start_duck_value_desc.get_value_node());
895 else if(extend_finish_join_same)
896 LinkableValueNode::Handle::cast_dynamic(source.value_node)->
897 set_link(0,synfigapp::ValueDesc(LinkableValueNode::Handle::cast_dynamic(finish_duck_value_node_bline->
898 list[target_index].value_node),0).get_value_node());
902 if (join_start_no_extend)
903 LinkableValueNode::Handle::cast_dynamic(value_node->list.front().value_node)->
904 set_link(0,start_duck_value_desc.get_value_node());
906 if (join_finish_no_extend)
907 LinkableValueNode::Handle::cast_dynamic(value_node->list.back().value_node)->
908 set_link(0,finish_duck_value_desc.get_value_node());
913 Canvas::Handle canvas(get_canvas_view()->get_canvas());
916 // we are temporarily using the layer to hold something
917 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
920 depth=layer->get_depth();
921 canvas=layer->get_canvas();
924 //int number(synfig::UniqueID().get_uid());
926 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
928 if(get_region_only_flag())
929 layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
931 layer=get_canvas_interface()->add_layer_to("outline",canvas,depth);
935 layer->set_param("feather",get_feather());
936 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
939 //layer->set_description(strprintf("Stroke %d",number));
940 //get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
943 get_canvas_interface()->
944 change_value(synfigapp::ValueDesc(layer,"offset"),shift_offset_vector);
946 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
950 action->set_param("canvas",get_canvas());
951 action->set_param("canvas_interface",get_canvas_interface());
952 action->set_param("layer",layer);
953 if(!action->set_param("param",String("bline")))
954 synfig::error("LayerParamConnect didn't like \"param\"");
955 if(!action->set_param("value_node",ValueNode::Handle(value_node)))
956 synfig::error("LayerParamConnect didn't like \"value_node\"");
958 if(!get_canvas_interface()->get_instance()->perform_action(action))
960 get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
963 return Smach::RESULT_ERROR;
965 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
969 last_stroke=value_node;
970 return Smach::RESULT_ACCEPT;
974 StateDraw_Context::new_region(std::list<synfig::BLinePoint> bline, synfig::Real radius)
976 // Create the action group
977 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Define Region"));
979 std::list<synfigapp::ValueDesc> vertex_list;
981 // First we need to come up with a rough list of
982 // BLinePoints that we are going to be using to
983 // define our region.
985 std::list<synfig::BLinePoint>::iterator iter;
986 for(iter=bline.begin();iter!=bline.end();++iter)
988 etl::handle<Duck> duck(get_work_area()->find_duck(iter->get_vertex(),0,Duck::TYPE_VERTEX));
992 synfig::info(__FILE__":%d: Nothing to enclose!",__LINE__);
993 return Smach::RESULT_OK;
997 assert(duck->get_type()==Duck::TYPE_VERTEX);
999 synfigapp::ValueDesc value_desc(duck->get_value_desc());
1003 synfig::info(__FILE__":%d: Got a hit, but no ValueDesc on this duck",__LINE__);
1007 switch(value_desc.get_value_type())
1009 case synfig::ValueBase::TYPE_BLINEPOINT:
1010 //if(vertex_list.empty() || value_desc!=vertex_list.back())
1011 vertex_list.push_back(value_desc);
1012 assert(vertex_list.back().is_valid());
1021 if(vertex_list.size()<=2)
1023 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1024 return Smach::RESULT_OK;
1027 assert(vertex_list.back().is_valid());
1029 // Remove any duplicates
1033 // Now we need to clean the list of vertices up
1034 // a bit. This includes inserting missing vertices
1035 // and removing extraneous ones.
1036 // We can do this in multiple passes.
1038 for(bool done=false;!done && i<30;i++)
1040 // Set done to "true" for now. If
1041 // any updates are performed, we will
1042 // change it back to false.
1045 std::list<synfigapp::ValueDesc>::iterator prev,iter,next;
1046 prev=vertex_list.end();prev--; // Set prev to the last ValueDesc
1047 next=vertex_list.begin();
1048 iter=next++; // Set iter to the first value desc, and next to the second
1050 for(;iter!=vertex_list.end();prev=iter,iter=next++)
1052 synfigapp::ValueDesc value_prev(*prev);
1053 synfigapp::ValueDesc value_desc(*iter);
1054 synfigapp::ValueDesc value_next((next==vertex_list.end())?vertex_list.front():*next);
1056 assert(value_desc.is_valid());
1057 assert(value_next.is_valid());
1058 assert(value_prev.is_valid());
1060 //synfig::info("-------");
1061 //synfig::info(__FILE__":%d: value_prev 0x%08X:%d",__LINE__,value_prev.get_parent_value_node().get(),value_prev.get_index());
1062 //synfig::info(__FILE__":%d: value_desc 0x%08X:%d",__LINE__,value_desc.get_parent_value_node().get(),value_desc.get_index());
1063 //synfig::info(__FILE__":%d: value_next 0x%08X:%d",__LINE__,value_next.get_parent_value_node().get(),value_next.get_index());
1066 if(value_prev.parent_is_value_node() && value_desc.parent_is_value_node() && value_next.parent_is_value_node())
1068 // Remove random extraneous vertices
1069 if(value_prev.get_parent_value_node()==value_next.get_parent_value_node() &&
1070 value_prev.get_parent_value_node()!=value_desc.get_parent_value_node())
1073 vertex_list.erase(iter);
1080 // Remove duplicate vertices
1081 if(value_prev.get_value_node()==value_desc.get_value_node()
1082 || value_desc.get_value_node()==value_next.get_value_node())
1085 vertex_list.erase(iter);
1089 if(value_prev.get_value_node()==value_next.get_value_node())
1092 vertex_list.erase(prev);
1097 if(value_desc.parent_is_value_node() && value_next.parent_is_value_node())
1098 if(value_desc.get_parent_value_node()==value_next.get_parent_value_node() && (next!=vertex_list.end()))
1100 // Fill in missing vertices
1101 if(value_desc.get_index()<value_next.get_index()-1)
1104 vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_desc.get_index()+1));
1108 if(value_next.get_index()<value_desc.get_index()-1)
1111 vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_next.get_index()+1));
1117 // Ensure that connections
1118 // between blines are properly
1120 if(value_desc.parent_is_value_node() && value_next.parent_is_value_node())
1121 if(value_desc.get_parent_value_node()!=value_next.get_parent_value_node() &&
1122 value_desc.get_value_node()!=value_next.get_value_node())
1124 BLinePoint vertex(value_desc.get_value(get_time()).get(BLinePoint()));
1125 BLinePoint vertex_next(value_next.get_value(get_time()).get(BLinePoint()));
1127 //synfig::info("--------");
1128 //synfig::info(__FILE__":%d: vertex: [%f, %f]",__LINE__,vertex.get_vertex()[0],vertex.get_vertex()[1]);
1129 //synfig::info(__FILE__":%d: vertex_next: [%f, %f]",__LINE__,vertex_next.get_vertex()[0],vertex_next.get_vertex()[1]);
1131 if((vertex.get_vertex()-vertex_next.get_vertex()).mag_squared()<radius*radius)
1134 ValueNode_Composite::Handle value_node;
1135 ValueNode_Composite::Handle value_node_next;
1136 value_node=ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node().clone());
1137 value_node_next=ValueNode_Composite::Handle::cast_dynamic(value_next.get_value_node().clone());
1138 if(!value_node || !value_node_next)
1140 synfig::info(__FILE__":%d: Unable to properly connect blines.",__LINE__);
1144 value_node->set_link(5,value_node_next->get_link(5));
1145 value_node->set_link(3,ValueNode_Const::create(true));
1147 get_canvas_interface()->auto_export(value_node);
1148 assert(value_node->is_exported());
1149 *iter=synfigapp::ValueDesc(get_canvas(),value_node->get_id());
1150 vertex_list.erase(next);
1157 bool positive_trend(value_desc.get_index()>value_prev.get_index());
1159 if(!positive_trend && value_desc.get_index()>0)
1162 vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_desc.get_index()-1));
1166 if(positive_trend && value_desc.get_index()<LinkableValueNode::Handle::cast_static(value_desc.get_value_node())->link_count()-1)
1169 vertex_list.insert(next,synfigapp::ValueDesc(value_desc.get_parent_value_node(),value_desc.get_index()+1));
1179 if(vertex_list.size()<=2)
1181 synfig::info(__FILE__":%d: Vertex list too small to make region.",__LINE__);
1182 return Smach::RESULT_OK;
1185 ValueNode_BLine::Handle value_node_bline;
1187 // Now we need to test for the trivial case,
1188 // which is where all of the vertices
1189 // come from one BLine.
1190 if(vertex_list.front().parent_is_linkable_value_node())
1192 bool trivial_case(true);
1193 ValueNode::Handle trivial_case_value_node;
1195 trivial_case_value_node=vertex_list.front().get_parent_value_node();
1197 std::list<synfigapp::ValueDesc>::iterator iter;
1198 for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
1200 if(trivial_case_value_node!=iter->get_parent_value_node())
1207 value_node_bline=ValueNode_BLine::Handle::cast_dynamic(trivial_case_value_node);
1210 // If we aren't the trivial case,
1211 // then go ahead and create the new
1213 if(!value_node_bline)
1215 value_node_bline=ValueNode_BLine::create();
1217 std::list<synfigapp::ValueDesc>::iterator iter;
1218 for(iter=vertex_list.begin();iter!=vertex_list.end();++iter)
1220 // Ensure that the vertex is exported.
1221 get_canvas_interface()->auto_export(*iter);
1223 value_node_bline->add(iter->get_value_node());
1224 //value_node_bline->add(ValueNode_BLine::ListEntry(iter->get_value_node()));
1227 value_node_bline->set_loop(true);
1230 get_canvas_interface()->auto_export(value_node_bline);
1232 // Now we create the region layer
1235 Layer::Handle layer;
1236 Canvas::Handle canvas(get_canvas_view()->get_canvas());
1239 // we are temporarily using the layer to hold something
1240 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
1243 depth=layer->get_depth();
1244 canvas=layer->get_canvas();
1247 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
1249 layer=get_canvas_interface()->add_layer_to("region",canvas,depth);
1251 layer->set_param("color",synfigapp::Main::get_background_color());
1254 layer->set_param("feather",get_feather());
1255 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
1257 get_canvas_interface()->signal_layer_param_changed()(layer,"color");
1259 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
1263 action->set_param("canvas",get_canvas());
1264 action->set_param("canvas_interface",get_canvas_interface());
1265 action->set_param("layer",layer);
1266 if(!action->set_param("param",String("bline")))
1267 synfig::error("LayerParamConnect didn't like \"param\"");
1268 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
1269 synfig::error("LayerParamConnect didn't like \"value_node\"");
1271 if(!get_canvas_interface()->get_instance()->perform_action(action))
1273 get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
1275 return Smach::RESULT_ERROR;
1277 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);
1280 return Smach::RESULT_ACCEPT;
1284 StateDraw_Context::refresh_ducks()
1286 get_canvas_view()->queue_rebuild_ducks();
1288 get_work_area()->clear_ducks();
1291 std::list< etl::smart_ptr<std::list<synfig::Point> > >::iterator iter;
1293 for(iter=stroke_list.begin();iter!=stroke_list.end();++iter)
1295 get_work_area()->add_stroke(*iter);
1298 get_work_area()->queue_draw();
1304 StateDraw_Context::extend_bline_from_begin(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
1306 // Create the action group
1307 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
1311 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_loop"));
1314 action->set_param("canvas",get_canvas());
1315 action->set_param("canvas_interface",get_canvas_interface());
1316 action->set_param("value_node",ValueNode::Handle(value_node));
1318 if(!get_canvas_interface()->get_instance()->perform_action(action))
1320 get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
1322 return Smach::RESULT_ERROR;
1326 std::list<synfig::BLinePoint>::reverse_iterator iter;
1327 for(iter=bline.rbegin();!(iter==bline.rend());++iter)
1329 ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
1331 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_insert"));
1334 synfigapp::ValueDesc value_desc(value_node,0);
1336 action->set_param("canvas",get_canvas());
1337 action->set_param("canvas_interface",get_canvas_interface());
1338 action->set_param("value_desc",value_desc);
1339 if(!action->set_param("item",ValueNode::Handle(composite)))
1340 synfig::error("ACTION didn't like \"item\"");
1342 if(!get_canvas_interface()->get_instance()->perform_action(action))
1344 get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
1347 return Smach::RESULT_ERROR;
1350 last_stroke=value_node;
1351 return Smach::RESULT_ACCEPT;
1355 StateDraw_Context::extend_bline_from_end(ValueNode_BLine::Handle value_node,std::list<synfig::BLinePoint> bline,bool complete_loop)
1357 // Create the action group
1358 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Extend BLine"));
1362 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_loop"));
1365 action->set_param("canvas",get_canvas());
1366 action->set_param("canvas_interface",get_canvas_interface());
1367 action->set_param("value_node",ValueNode::Handle(value_node));
1369 if(!get_canvas_interface()->get_instance()->perform_action(action))
1371 get_canvas_view()->get_ui_interface()->error(_("Unable to set loop for bline"));
1373 return Smach::RESULT_ERROR;
1377 std::list<synfig::BLinePoint>::iterator iter;
1378 for(iter=bline.begin();iter!=bline.end();++iter)
1380 ValueNode_Composite::Handle composite(ValueNode_Composite::create(*iter));
1382 synfigapp::Action::Handle action(synfigapp::Action::create("value_node_dynamic_list_insert"));
1385 synfigapp::ValueDesc value_desc(value_node,value_node->link_count());
1387 action->set_param("canvas",get_canvas());
1388 action->set_param("canvas_interface",get_canvas_interface());
1389 action->set_param("value_desc",value_desc);
1390 if(!action->set_param("item",ValueNode::Handle(composite)))
1391 synfig::error("ACTION didn't like \"item\"");
1393 if(!get_canvas_interface()->get_instance()->perform_action(action))
1395 get_canvas_view()->get_ui_interface()->error(_("Unable to insert item"));
1398 return Smach::RESULT_ERROR;
1401 last_stroke=value_node;
1402 return Smach::RESULT_ACCEPT;
1406 StateDraw_Context::reverse_bline(std::list<synfig::BLinePoint> &bline)
1410 std::list<synfig::BLinePoint>::iterator iter,eiter;
1414 for(i=0;i<(int)bline.size()/2;++iter,--eiter,i++)
1416 iter_swap(iter,eiter);
1423 StateDraw_Context::fill_last_stroke()
1428 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Fill Stroke"));
1430 Layer::Handle layer;
1432 get_canvas_interface()->auto_export(last_stroke);
1434 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
1436 layer=get_canvas_interface()->add_layer("region");
1438 layer->set_param("color",synfigapp::Main::get_background_color());
1440 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
1444 action->set_param("canvas",get_canvas());
1445 action->set_param("canvas_interface",get_canvas_interface());
1446 action->set_param("layer",layer);
1447 if(!action->set_param("param",String("segment_list")))
1448 synfig::error("LayerParamConnect didn't like \"param\"");
1449 if(!action->set_param("value_node",ValueNode::Handle(last_stroke)))
1450 synfig::error("LayerParamConnect didn't like \"value_node\"");
1452 if(!get_canvas_interface()->get_instance()->perform_action(action))
1454 get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
1458 get_canvas_view()->get_selection_manager()->set_selected_layer(layer);