1 /* === S Y N F I G ========================================================= */
2 /*! \file state_bline.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_bline.h"
38 #include "canvasview.h"
41 #include <synfig/valuenode_bline.h>
42 #include <ETL/hermite>
43 #include <ETL/calculus>
45 #include "event_mouse.h"
46 #include "event_layerclick.h"
48 #include "dialog_tooloptions.h"
49 #include <gtkmm/spinbutton.h>
50 #include <synfig/transform.h>
51 #include <synfigapp/main.h>
55 /* === U S I N G =========================================================== */
59 using namespace synfig;
60 using namespace studio;
62 /* === M A C R O S ========================================================= */
64 /* === G L O B A L S ======================================================= */
66 StateBLine studio::state_bline;
68 /* === C L A S S E S & S T R U C T S ======================================= */
70 class studio::StateBLine_Context : public sigc::trackable
72 etl::handle<CanvasView> canvas_view_;
73 CanvasView::IsWorking is_working;
75 bool prev_table_status;
77 bool prev_workarea_layer_status_;
80 Canvas::Handle canvas;
84 Duckmatic::Push duckmatic_push;
86 etl::handle<Duck> curr_duck;
88 etl::handle<Duck> next_duck;
90 std::list<synfig::ValueNode_Const::Handle> bline_point_list;
91 synfigapp::Settings& settings;
93 bool on_vertex_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
94 bool on_tangent1_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
95 bool on_tangent2_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
98 void popup_handle_menu(synfig::ValueNode_Const::Handle value_node);
99 void popup_vertex_menu(synfig::ValueNode_Const::Handle value_node);
100 void popup_bezier_menu(float location, synfig::ValueNode_Const::Handle value_node);
102 void bline_detach_handle(synfig::ValueNode_Const::Handle value_node);
103 void bline_attach_handle(synfig::ValueNode_Const::Handle value_node);
104 void bline_delete_vertex(synfig::ValueNode_Const::Handle value_node);
105 void bline_insert_vertex(synfig::ValueNode_Const::Handle value_node,float origin=0.5);
109 void refresh_ducks(bool x=true);
111 Gtk::Table options_table;
113 Gtk::CheckButton checkbutton_layer_region;
114 Gtk::CheckButton checkbutton_layer_bline;
115 Gtk::CheckButton checkbutton_layer_curve_gradient;
116 Gtk::CheckButton checkbutton_layer_link_offsets;
117 Gtk::CheckButton checkbutton_auto_export;
118 Gtk::Button button_make;
119 Gtk::Button button_clear;
120 Gtk::Adjustment adj_feather;
121 Gtk::SpinButton spin_feather;
127 int layers_to_create()const
130 get_layer_region_flag()+
131 get_layer_bline_flag()+
132 get_layer_curve_gradient_flag();
137 if(layers_to_create()==0)
138 set_layer_region_flag(true);
141 bool get_auto_export_flag()const { return checkbutton_auto_export.get_active(); }
142 void set_auto_export_flag(bool x) { return checkbutton_auto_export.set_active(x); }
144 bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
145 void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
147 bool get_layer_bline_flag()const { return checkbutton_layer_bline.get_active(); }
148 void set_layer_bline_flag(bool x) { return checkbutton_layer_bline.set_active(x); }
150 bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
151 void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
153 bool get_layer_link_offsets_flag()const { return checkbutton_layer_link_offsets.get_active(); }
154 void set_layer_link_offsets_flag(bool x) { return checkbutton_layer_link_offsets.set_active(x); }
156 Real get_feather() const { return adj_feather.get_value(); }
157 void set_feather(Real x) { return adj_feather.set_value(x); }
158 synfig::String get_id()const { return entry_id.get_text(); }
159 void set_id(const synfig::String& x) { return entry_id.set_text(x); }
161 Smach::event_result event_stop_handler(const Smach::event& x);
163 Smach::event_result event_refresh_handler(const Smach::event& x);
165 Smach::event_result event_mouse_click_handler(const Smach::event& x);
166 Smach::event_result event_mouse_release_handler(const Smach::event& x);
167 Smach::event_result event_mouse_motion_handler(const Smach::event& x);
168 Smach::event_result event_refresh_tool_options(const Smach::event& x);
170 Smach::event_result event_hijack(const Smach::event& /*x*/) { return Smach::RESULT_ACCEPT; }
172 void refresh_tool_options();
174 StateBLine_Context(CanvasView* canvas_view);
176 ~StateBLine_Context();
178 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
179 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
180 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
181 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
182 const synfig::TransformStack& get_transform_stack()const { return canvas_view_->get_curr_transform_stack(); }
184 void load_settings();
185 void save_settings();
188 //void on_user_click(synfig::Point point);
193 bool egress_on_selection_change;
194 Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
196 if(egress_on_selection_change)
197 throw Smach::egress_exception();
198 return Smach::RESULT_OK;
201 }; // END of class StateBLine_Context
204 /* === M E T H O D S ======================================================= */
206 StateBLine::StateBLine():
207 Smach::state<StateBLine_Context>("bline")
209 insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateBLine_Context::event_layer_selection_changed_handler));
210 insert(event_def(EVENT_STOP,&StateBLine_Context::event_stop_handler));
211 insert(event_def(EVENT_REFRESH,&StateBLine_Context::event_refresh_handler));
212 insert(event_def(EVENT_REFRESH_DUCKS,&StateBLine_Context::event_hijack));
213 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateBLine_Context::event_mouse_click_handler));
214 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateBLine_Context::event_mouse_release_handler));
215 insert(event_def(EVENT_WORKAREA_MOUSE_MOTION,&StateBLine_Context::event_mouse_motion_handler));
216 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateBLine_Context::event_mouse_motion_handler));
217 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateBLine_Context::event_refresh_tool_options));
220 StateBLine::~StateBLine()
225 StateBLine_Context::load_settings()
229 if(settings.get_value("bline.layer_region",value) && value=="0")
230 set_layer_region_flag(false);
232 set_layer_region_flag(true);
234 if(settings.get_value("bline.layer_bline",value) && value=="0")
235 set_layer_bline_flag(false);
237 set_layer_bline_flag(true);
239 if(settings.get_value("bline.layer_curve_gradient",value) && value=="1")
240 set_layer_curve_gradient_flag(true);
242 set_layer_curve_gradient_flag(false);
244 if(settings.get_value("bline.layer_link_offsets",value) && value=="0")
245 set_layer_link_offsets_flag(false);
247 set_layer_link_offsets_flag(true);
249 if(settings.get_value("bline.auto_export",value) && value=="1")
250 set_auto_export_flag(true);
252 set_auto_export_flag(false);
254 if(settings.get_value("bline.id",value))
259 if(settings.get_value("bline.feather",value))
261 Real n = atof(value.c_str());
269 StateBLine_Context::save_settings()
272 settings.set_value("bline.layer_bline",get_layer_bline_flag()?"1":"0");
273 settings.set_value("bline.layer_region",get_layer_region_flag()?"1":"0");
274 settings.set_value("bline.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
275 settings.set_value("bline.layer_link_offsets",get_layer_link_offsets_flag()?"1":"0");
276 settings.set_value("bline.auto_export",get_auto_export_flag()?"1":"0");
277 settings.set_value("bline.id",get_id().c_str());
278 settings.set_value("bline.feather",strprintf("%f",get_feather()));
282 StateBLine_Context::reset()
285 bline_point_list.clear();
290 StateBLine_Context::increment_id()
299 // If there is a number
300 // already at the end of the
301 // id, then remove it.
302 if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
304 // figure out how many digits it is
305 for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
308 str_number=String(id,id.size()-digits,id.size());
309 id=String(id,0,id.size()-digits);
310 synfig::info("---------------- \"%s\"",str_number.c_str());
312 number=atoi(str_number.c_str());
322 // Add the number back onto the id
324 const String format(strprintf("%%0%dd",digits));
325 id+=strprintf(format.c_str(),number);
333 StateBLine_Context::StateBLine_Context(CanvasView* canvas_view):
334 canvas_view_(canvas_view),
335 is_working(*canvas_view),
337 prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
338 duckmatic_push(get_work_area()),
339 settings(synfigapp::Main::get_selected_input_device()->settings()),
341 checkbutton_layer_region(_("Fill")),
342 checkbutton_layer_bline(_("Outline")),
343 checkbutton_layer_curve_gradient(_("Gradient")),
344 checkbutton_layer_link_offsets(_("Link Offsets")),
345 checkbutton_auto_export(_("Auto Export")),
346 button_make(_("Make")),
347 button_clear(_("Clear")),
348 adj_feather(0,0,10000,0.01,0.1),
349 spin_feather(adj_feather,0.01,4)
352 egress_on_selection_change=true;
355 // Set up the tool options dialog
356 //options_table.attach(*manage(new Gtk::Label(_("BLine Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
357 options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
358 options_table.attach(checkbutton_layer_region, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
359 options_table.attach(checkbutton_layer_bline, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
360 options_table.attach(checkbutton_layer_curve_gradient, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
361 options_table.attach(checkbutton_layer_link_offsets, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
362 options_table.attach(checkbutton_auto_export, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
363 options_table.attach(*manage(new Gtk::Label(_("Feather"))), 0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
364 options_table.attach(spin_feather, 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
365 //options_table.attach(button_make, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
366 //button_make.signal_pressed().connect(sigc::mem_fun(*this,&StateBLine_Context::run));
367 options_table.show_all();
368 refresh_tool_options();
369 App::dialog_tool_options->present();
371 // Turn off layer clicking
372 get_work_area()->set_allow_layer_clicks(false);
374 // clear out the ducks
375 get_work_area()->clear_ducks();
377 // Refresh the work area
378 get_work_area()->queue_draw();
380 // Hide the tables if they are showing
381 prev_table_status=get_canvas_view()->tables_are_visible();
382 if(prev_table_status)get_canvas_view()->hide_tables();
384 // Disable the time bar
385 get_canvas_view()->set_sensitive_timebar(false);
388 //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateBLine_Context::on_user_click));
389 get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
391 App::toolbox->refresh();
395 StateBLine_Context::refresh_tool_options()
397 App::dialog_tool_options->clear();
398 App::dialog_tool_options->set_widget(options_table);
399 App::dialog_tool_options->set_local_name(_("BLine Tool"));
400 App::dialog_tool_options->set_name("bline");
402 App::dialog_tool_options->add_button(
403 Gtk::StockID("gtk-execute"),
404 _("Make BLine and/or Region")
405 )->signal_clicked().connect(
406 sigc::hide_return(sigc::mem_fun(
408 &StateBLine_Context::run
412 App::dialog_tool_options->add_button(
413 Gtk::StockID("gtk-clear"),
414 _("Clear current BLine")
415 )->signal_clicked().connect(
418 &StateBLine_Context::reset
424 StateBLine_Context::event_refresh_tool_options(const Smach::event& /*x*/)
426 refresh_tool_options();
427 return Smach::RESULT_ACCEPT;
430 StateBLine_Context::~StateBLine_Context()
435 App::dialog_tool_options->clear();
437 get_canvas_view()->work_area->reset_cursor();
439 // Restore layer clicking
440 get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
442 // Enable the time bar
443 get_canvas_view()->set_sensitive_timebar(true);
445 // Bring back the tables if they were out before
446 if(prev_table_status)get_canvas_view()->show_tables();
448 // get_canvas_view()->get_smach().process_event(EVENT_REFRESH_DUCKS);
450 // Refresh the work area
451 get_work_area()->queue_draw();
453 App::toolbox->refresh();
457 StateBLine_Context::event_stop_handler(const Smach::event& /*x*/)
459 synfig::info("STATE RotoBLine: Received Stop Event");
462 // throw Smach::egress_exception();
463 // get_canvas_view()->get_smach().pop_state();
464 return Smach::RESULT_ACCEPT;
468 StateBLine_Context::event_refresh_handler(const Smach::event& /*x*/)
470 synfig::info("STATE RotoBLine: Received Refresh Event");
472 return Smach::RESULT_ACCEPT;
476 StateBLine_Context::run()
482 for(int i=5;i>0 && !success;i--)try
490 if(!success && !err.empty())
492 get_canvas_view()->get_ui_interface()->error(err);
498 StateBLine_Context::run_()
503 // Now we need to generate it
505 if(bline_point_list.empty())
509 if(bline_point_list.size()<2)
511 //get_canvas_view()->get_ui_interface()->error(_("You need at least two (2) points to create a BLine"));
518 // Create the action group
519 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New BLine"));
521 std::vector<BLinePoint> new_list;
522 std::list<synfig::ValueNode_Const::Handle>::iterator iter;
523 const synfig::TransformStack& transform(get_transform_stack());
525 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
527 BLinePoint bline_point((*iter)->get_value().get(BLinePoint()));
528 Point new_vertex(transform.unperform(bline_point.get_vertex()));
530 bline_point.set_tangent1(
532 bline_point.get_tangent1()+bline_point.get_vertex()
536 bline_point.set_tangent2(
538 bline_point.get_tangent2()+bline_point.get_vertex()
542 bline_point.set_vertex(new_vertex);
544 new_list.push_back(bline_point);
547 ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
548 assert(value_node_bline);
550 ValueNode_Const::Handle value_node_offset(ValueNode_Const::create(Vector()));
551 assert(value_node_offset);
553 // Set the looping flag
554 value_node_bline->set_loop(loop_);
556 // Add the BLine to the canvas
557 if(get_auto_export_flag() && !get_canvas_interface()->add_value_node(value_node_bline,get_id()))
559 //get_canvas_view()->get_ui_interface()->error(_("Unable to add value node"));
562 throw String(_("Unable to add value node"));
568 // we are temporarily using the layer to hold something
569 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
574 depth=layer->get_depth();
576 canvas=layer->get_canvas();
582 canvas=get_canvas_view()->get_canvas();
584 synfigapp::SelectionManager::LayerList layer_selection;
586 // If we were asked to create a region layer, go ahead and do so
587 if(get_layer_region_flag())
589 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
591 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
593 layer_selection.push_back(layer);
594 layer->set_description(get_id()+_(" Region"));
595 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
599 layer->set_param("feather",get_feather());
600 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
603 if(get_layer_bline_flag())
604 layer->set_param("color",synfigapp::Main::get_background_color());
606 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
607 // using 2 separate ones.
609 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
612 action->set_param("canvas",get_canvas());
613 action->set_param("canvas_interface",get_canvas_interface());
614 action->set_param("layer",layer);
615 if(!action->set_param("param",String("bline")))
616 synfig::error("LayerParamConnect didn't like \"param\"");
617 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
618 synfig::error("LayerParamConnect didn't like \"value_node\"");
620 if(!get_canvas_interface()->get_instance()->perform_action(action))
622 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
624 throw String(_("Unable to create Region layer"));
629 if (get_layer_link_offsets_flag())
631 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
634 action->set_param("canvas",get_canvas());
635 action->set_param("canvas_interface",get_canvas_interface());
636 action->set_param("layer",layer);
637 if(!action->set_param("param",String("offset")))
638 synfig::error("LayerParamConnect didn't like \"param\"");
639 if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
640 synfig::error("LayerParamConnect didn't like \"value_node\"");
642 if(!get_canvas_interface()->get_instance()->perform_action(action))
644 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
646 throw String(_("Unable to create Region layer"));
652 // If we were asked to create a BLine layer, go ahead and do so
653 if(get_layer_bline_flag())
655 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
657 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
659 layer_selection.push_back(layer);
660 layer->set_description(get_id()+_(" Outline"));
661 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
664 layer->set_param("feather",get_feather());
665 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
669 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
672 action->set_param("canvas",get_canvas());
673 action->set_param("canvas_interface",get_canvas_interface());
674 action->set_param("layer",layer);
675 if(!action->set_param("param",String("bline")))
676 synfig::error("LayerParamConnect didn't like \"param\"");
677 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
678 synfig::error("LayerParamConnect didn't like \"value_node\"");
680 if(!get_canvas_interface()->get_instance()->perform_action(action))
682 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
684 throw String(_("Unable to create Outline layer"));
689 if (get_layer_link_offsets_flag())
691 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
694 action->set_param("canvas",get_canvas());
695 action->set_param("canvas_interface",get_canvas_interface());
696 action->set_param("layer",layer);
697 if(!action->set_param("param",String("offset")))
698 synfig::error("LayerParamConnect didn't like \"param\"");
699 if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
700 synfig::error("LayerParamConnect didn't like \"value_node\"");
702 if(!get_canvas_interface()->get_instance()->perform_action(action))
704 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
706 throw String(_("Unable to create Outline layer"));
711 /*if(get_layer_region_flag() && !get_auto_export_flag())
713 get_canvas_interface()->auto_export(synfigapp::ValueDesc(layer,"bline"));
719 // If we were asked to create a CurveGradient layer, go ahead and do so
720 if(get_layer_curve_gradient_flag())
722 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
724 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
726 layer_selection.push_back(layer);
727 layer->set_description(get_id()+_(" Gradient"));
728 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
731 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
734 action->set_param("canvas",get_canvas());
735 action->set_param("canvas_interface",get_canvas_interface());
736 action->set_param("layer",layer);
737 if(!action->set_param("param",String("bline")))
738 synfig::error("LayerParamConnect didn't like \"param\"");
739 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
740 synfig::error("LayerParamConnect didn't like \"value_node\"");
742 if(!get_canvas_interface()->get_instance()->perform_action(action))
744 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
746 throw String(_("Unable to create Gradient layer"));
751 if (get_layer_link_offsets_flag())
753 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
756 action->set_param("canvas",get_canvas());
757 action->set_param("canvas_interface",get_canvas_interface());
758 action->set_param("layer",layer);
759 if(!action->set_param("param",String("offset")))
760 synfig::error("LayerParamConnect didn't like \"param\"");
761 if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
762 synfig::error("LayerParamConnect didn't like \"value_node\"");
764 if(!get_canvas_interface()->get_instance()->perform_action(action))
766 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
768 throw String(_("Unable to create Gradient layer"));
773 /*if(get_layer_region_flag() && !get_auto_export_flag())
775 get_canvas_interface()->auto_export(synfigapp::ValueDesc(layer,"bline"));
779 egress_on_selection_change=false;
780 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
781 get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
782 egress_on_selection_change=true;
784 //if(finish_bline_dialog.get_region_flag() || finish_bline_dialog.get_bline_flag())
785 // get_canvas_interface()->signal_dirty_preview()();
795 StateBLine_Context::event_mouse_motion_handler(const Smach::event& x)
797 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
801 //synfig::info("Moved Duck");
802 Point p(get_work_area()->snap_point_to_grid(event.pos));
803 curr_duck->set_trans_point(p);
805 next_duck->set_trans_point(p);
806 get_work_area()->queue_draw();
807 return Smach::RESULT_ACCEPT;
810 return Smach::RESULT_OK;
814 StateBLine_Context::event_mouse_release_handler(const Smach::event& /*x*/)
818 //synfig::info("Released current duck");
819 curr_duck->signal_edited()(curr_duck->get_point());
822 //synfig::info("grabbing next duck");
826 return Smach::RESULT_ACCEPT;
828 return Smach::RESULT_OK;
832 StateBLine_Context::event_mouse_click_handler(const Smach::event& x)
834 synfig::info("STATE BLINE: Received mouse button down Event");
835 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
840 // If we are already looped up, then don't try to add anything else
842 return Smach::RESULT_OK;
844 BLinePoint bline_point;
846 bline_point.set_vertex(get_work_area()->snap_point_to_grid(event.pos));
847 //bline_point.set_width(synfigapp::Main::get_bline_width());
848 bline_point.set_width(1.0f);
849 bline_point.set_origin(0.5f);
850 bline_point.set_split_tangent_flag(false);
851 bline_point.set_tangent1(Vector(0,0));
855 if(bline_point_list.empty())
857 bline_point.set_tangent1(Vector(1,1));
861 const Vector t(event.pos-bline_point_list.back()->get_value().get(BLinePoint()).get_vertex());
862 bline_point.set_tangent1(t);
865 if(bline_point_list.size()>1)
867 std::list<synfig::ValueNode_Const::Handle>::iterator iter;
868 iter=bline_point_list.end();
870 BLinePoint prev(bline_point_list.back()->get_value().get(BLinePoint()));
871 prev.set_tangent1(event.pos-(*iter)->get_value().get(BLinePoint()).get_vertex());
872 bline_point_list.back()->set_value(prev);
876 bline_point_list.push_back(ValueNode_Const::create(bline_point));
879 return Smach::RESULT_ACCEPT;
882 case BUTTON_RIGHT: // Intercept the right-button click to short-circut the pop-up menu
883 return Smach::RESULT_ACCEPT;
886 return Smach::RESULT_OK;
891 StateBLine_Context::refresh_ducks(bool button_down)
893 get_work_area()->clear_ducks();
894 get_work_area()->queue_draw();
896 if(bline_point_list.empty())
899 list<ValueNode_Const::Handle>::iterator iter;
901 handle<WorkArea::Bezier> bezier;
902 handle<WorkArea::Duck> duck,tduck;
903 BLinePoint bline_point;
905 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
907 ValueNode_Const::Handle value_node(*iter);
908 bline_point=(value_node->get_value().get(BLinePoint()));
912 // First add the duck associated with this vertex
913 duck=new WorkArea::Duck(bline_point.get_vertex());
914 duck->set_editable(true);
915 duck->set_type(Duck::TYPE_VERTEX);
916 duck->set_name(strprintf("%x-vertex",value_node.get()));
917 duck->signal_edited().connect(
918 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_vertex_change),value_node)
920 duck->signal_user_click(2).connect(
921 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_vertex_menu),value_node)
923 duck->set_guid(value_node->get_guid()^GUID::hasher(0));
925 get_work_area()->add_duck(duck);
927 // Add the tangent1 duck
928 tduck=new WorkArea::Duck(bline_point.get_tangent1());
929 tduck->set_editable(true);
930 tduck->set_name(strprintf("%x-tangent1",value_node.get()));
931 tduck->set_origin(duck);
932 tduck->set_scalar(-0.33333333333333333);
933 tduck->set_tangent(true);
934 tduck->set_guid(value_node->get_guid()^GUID::hasher(3));
935 tduck->signal_edited().connect(
936 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),value_node)
938 tduck->signal_user_click(2).connect(
939 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),value_node)
942 // See if we need to add that duck to the previous bezier
945 get_work_area()->add_duck(tduck);
949 bezier->signal_user_click(2).connect(
953 &studio::StateBLine_Context::popup_bezier_menu
959 //get_work_area()->add_duck(bezier->c1);
960 //get_work_area()->add_duck(bezier->c2);
961 get_work_area()->add_bezier(bezier);
966 // Now we see if we need to create a bezier
967 list<ValueNode_Const::Handle>::iterator next(iter);
970 // If our next iterator is the end, then we don't need
972 //if(next==bline_point_list.end() && !loop_)
975 bezier=new WorkArea::Bezier();
977 // Add the tangent2 duck
978 tduck=new WorkArea::Duck(bline_point.get_tangent2());
979 tduck->set_editable(true);
980 tduck->set_origin(duck);
981 tduck->set_scalar(0.33333333333333333);
982 tduck->set_tangent(true);
983 if(bline_point.get_split_tangent_flag())
985 tduck->set_name(strprintf("%x-tangent2",value_node.get()));
986 tduck->signal_edited().connect(
987 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent2_change),value_node)
992 tduck->set_name(strprintf("%x-tangent1",value_node.get()));
993 tduck->signal_edited().connect(
994 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),value_node)
997 tduck->set_guid(value_node->get_guid()^GUID::hasher(4));
998 tduck->signal_user_click(2).connect(
999 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),value_node)
1002 // Setup the next bezier
1006 get_work_area()->add_duck(tduck);
1010 // Add the loop, if requested
1014 BLinePoint bline_point(bline_point_list.front()->get_value().get(BLinePoint()));
1016 duck=new WorkArea::Duck(bline_point.get_vertex());
1017 duck->set_editable(true);
1018 duck->set_name(strprintf("%x-vertex",bline_point_list.front().get()));
1019 duck->signal_edited().connect(
1020 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_vertex_change),bline_point_list.front())
1022 duck->signal_user_click(2).connect(
1023 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_vertex_menu),bline_point_list.front())
1025 get_work_area()->add_duck(duck);
1027 // Add the tangent1 duck
1028 tduck=new WorkArea::Duck(bline_point.get_tangent1());
1029 tduck->set_editable(true);
1030 tduck->set_name(strprintf("%x-tangent1",bline_point_list.front().get()));
1031 tduck->set_origin(duck);
1032 tduck->set_scalar(-0.33333333333333333);
1033 tduck->set_tangent(true);
1034 tduck->signal_edited().connect(
1035 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),bline_point_list.front())
1037 tduck->signal_user_click(2).connect(
1038 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),bline_point_list.front())
1040 get_work_area()->add_duck(tduck);
1045 bezier->signal_user_click(2).connect(
1049 &studio::StateBLine_Context::popup_bezier_menu
1051 bline_point_list.front()
1055 //get_work_area()->add_duck(bezier->c1);
1056 get_work_area()->add_bezier(bezier);
1058 if(bezier && !loop_)
1060 duck=new WorkArea::Duck(bline_point.get_vertex());
1061 duck->set_editable(false);
1062 duck->set_name("temp");
1064 // Add the tangent1 duck
1065 tduck=new WorkArea::Duck(Vector(0,0));
1066 tduck->set_editable(false);
1067 tduck->set_name("ttemp");
1068 tduck->set_origin(duck);
1069 tduck->set_scalar(-0.33333333333333333);
1071 tduck->set_tangent(true);
1075 get_work_area()->add_duck(bezier->p2);
1076 //get_work_area()->add_duck(bezier->c2);
1077 get_work_area()->add_bezier(bezier);
1079 duck->set_guid(GUID());
1080 tduck->set_guid(GUID());
1091 curr_duck=next_duck;
1096 get_work_area()->queue_draw();
1101 StateBLine_Context::on_vertex_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
1103 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1104 bline_point.set_vertex(point);
1105 value_node->set_value(bline_point);
1111 StateBLine_Context::on_tangent1_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
1113 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1114 bline_point.set_tangent1(point);
1115 value_node->set_value(bline_point);
1121 StateBLine_Context::on_tangent2_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
1123 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1124 bline_point.set_tangent2(point);
1125 value_node->set_value(bline_point);
1131 StateBLine_Context::loop_bline()
1135 refresh_ducks(false);
1139 StateBLine_Context::unloop_bline()
1143 refresh_ducks(false);
1147 StateBLine_Context::popup_vertex_menu(synfig::ValueNode_Const::Handle value_node)
1149 menu.items().clear();
1153 menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Unloop BLine",
1154 sigc::mem_fun(*this,&studio::StateBLine_Context::unloop_bline)
1157 menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Loop BLine",
1158 sigc::mem_fun(*this,&studio::StateBLine_Context::loop_bline)
1162 menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Delete Vertex",
1164 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_delete_vertex),
1173 StateBLine_Context::popup_bezier_menu(float location, synfig::ValueNode_Const::Handle value_node)
1175 menu.items().clear();
1177 menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Insert Vertex",
1180 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_insert_vertex),
1191 StateBLine_Context::bline_insert_vertex(synfig::ValueNode_Const::Handle value_node, float origin)
1193 list<ValueNode_Const::Handle>::iterator iter;
1195 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
1196 if(*iter==value_node)
1198 list<ValueNode_Const::Handle>::iterator prev(iter);
1201 BLinePoint bline_point;
1203 BLinePoint next_bline_point((*iter)->get_value().get(BLinePoint()));
1204 BLinePoint prev_bline_point;
1206 if(iter!=bline_point_list.begin())
1208 prev_bline_point=(*prev)->get_value().get(BLinePoint());
1212 prev_bline_point.set_vertex(Point(0,0));
1213 prev_bline_point.set_width(next_bline_point.get_width());
1214 prev_bline_point.set_origin(0.5);
1215 prev_bline_point.set_split_tangent_flag(false);
1218 etl::hermite<Vector> curve(prev_bline_point.get_vertex(),next_bline_point.get_vertex(),prev_bline_point.get_tangent2(),next_bline_point.get_tangent1());
1219 etl::derivative< etl::hermite<Vector> > deriv(curve);
1221 bline_point.set_vertex(curve(origin));
1222 bline_point.set_width((next_bline_point.get_width()-prev_bline_point.get_width())*origin+prev_bline_point.get_width());
1223 #ifdef ETL_FIXED_DERIVATIVE
1224 bline_point.set_tangent1(deriv(origin)*std::min(1.0f-origin,origin));
1226 bline_point.set_tangent1(-deriv(origin)*std::min(1.0f-origin,origin));
1228 bline_point.set_tangent2(bline_point.get_tangent1());
1229 bline_point.set_split_tangent_flag(false);
1230 bline_point.set_origin(origin);
1233 bline_point.set_vertex((next_bline_point.get_vertex()+prev_bline_point.get_vertex())*0.5);
1234 bline_point.set_width((next_bline_point.get_width()+prev_bline_point.get_width())*0.5);
1235 bline_point.set_origin(origin);
1236 bline_point.set_split_tangent_flag(false);
1237 bline_point.set_tangent1((next_bline_point.get_vertex()-prev_bline_point.get_vertex())*0.5);
1240 bline_point_list.insert(iter,ValueNode_Const::create(bline_point));
1244 if(iter==bline_point_list.end())
1246 get_canvas_view()->get_ui_interface()->error("Unable to find where to insert vertex, internal error, please report this bug");
1249 refresh_ducks(false);
1253 StateBLine_Context::bline_delete_vertex(synfig::ValueNode_Const::Handle value_node)
1255 list<ValueNode_Const::Handle>::iterator iter;
1257 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
1258 if(*iter==value_node)
1260 bline_point_list.erase(iter);
1263 if(iter==bline_point_list.end())
1265 get_canvas_view()->get_ui_interface()->error("Unable to remove vertex, internal error, please report this bug");
1268 refresh_ducks(false);
1272 StateBLine_Context::popup_handle_menu(synfig::ValueNode_Const::Handle value_node)
1274 menu.items().clear();
1276 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1278 if(bline_point.get_split_tangent_flag())
1279 menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Merge Tangents",
1281 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_attach_handle),
1286 menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Split Tangents",
1288 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_detach_handle),
1297 StateBLine_Context::bline_detach_handle(synfig::ValueNode_Const::Handle value_node)
1299 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1300 bline_point.set_split_tangent_flag(true);
1301 bline_point.set_tangent2(bline_point.get_tangent1());
1302 value_node->set_value(bline_point);
1303 refresh_ducks(false);
1307 StateBLine_Context::bline_attach_handle(synfig::ValueNode_Const::Handle value_node)
1309 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1310 bline_point.set_tangent1((bline_point.get_tangent1()+bline_point.get_tangent2())*0.5);
1311 bline_point.set_split_tangent_flag(false);
1312 value_node->set_value(bline_point);
1313 refresh_ducks(false);