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
9 ** Copyright (c) 2007 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
33 #include <gtkmm/dialog.h>
34 #include <gtkmm/entry.h>
36 #include <synfig/valuenode_dynamiclist.h>
38 #include "state_bline.h"
39 #include "canvasview.h"
42 #include <synfig/valuenode_bline.h>
43 #include <ETL/hermite>
44 #include <ETL/calculus>
46 #include "event_mouse.h"
47 #include "event_layerclick.h"
49 #include "dialog_tooloptions.h"
50 #include <gtkmm/spinbutton.h>
51 #include <synfig/transform.h>
52 #include <synfigapp/main.h>
58 /* === U S I N G =========================================================== */
62 using namespace synfig;
63 using namespace studio;
65 /* === M A C R O S ========================================================= */
67 /* === G L O B A L S ======================================================= */
69 StateBLine studio::state_bline;
71 /* === C L A S S E S & S T R U C T S ======================================= */
73 class studio::StateBLine_Context : public sigc::trackable
75 etl::handle<CanvasView> canvas_view_;
76 CanvasView::IsWorking is_working;
78 bool prev_table_status;
80 bool prev_workarea_layer_status_;
83 Canvas::Handle canvas;
87 Duckmatic::Push duckmatic_push;
89 etl::handle<Duck> curr_duck;
91 etl::handle<Duck> next_duck;
93 std::list<synfig::ValueNode_Const::Handle> bline_point_list;
94 synfigapp::Settings& settings;
96 bool on_vertex_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
97 bool on_tangent1_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
98 bool on_tangent2_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
101 void popup_handle_menu(synfig::ValueNode_Const::Handle value_node);
102 void popup_vertex_menu(synfig::ValueNode_Const::Handle value_node);
103 void popup_bezier_menu(float location, synfig::ValueNode_Const::Handle value_node);
105 void bline_detach_handle(synfig::ValueNode_Const::Handle value_node);
106 void bline_attach_handle(synfig::ValueNode_Const::Handle value_node);
107 void bline_delete_vertex(synfig::ValueNode_Const::Handle value_node);
108 void bline_insert_vertex(synfig::ValueNode_Const::Handle value_node,float origin=0.5);
112 void refresh_ducks(bool x=true);
114 Gtk::Table options_table;
116 Gtk::CheckButton checkbutton_layer_region;
117 Gtk::CheckButton checkbutton_layer_bline;
118 Gtk::CheckButton checkbutton_layer_curve_gradient;
119 Gtk::CheckButton checkbutton_layer_link_offsets;
120 Gtk::CheckButton checkbutton_auto_export;
121 Gtk::Button button_make;
122 Gtk::Button button_clear;
123 Gtk::Adjustment adj_feather;
124 Gtk::SpinButton spin_feather;
130 int layers_to_create()const
133 get_layer_region_flag()+
134 get_layer_bline_flag()+
135 get_layer_curve_gradient_flag();
140 if(layers_to_create()==0)
141 set_layer_region_flag(true);
144 bool get_auto_export_flag()const { return checkbutton_auto_export.get_active(); }
145 void set_auto_export_flag(bool x) { return checkbutton_auto_export.set_active(x); }
147 bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
148 void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
150 bool get_layer_bline_flag()const { return checkbutton_layer_bline.get_active(); }
151 void set_layer_bline_flag(bool x) { return checkbutton_layer_bline.set_active(x); }
153 bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
154 void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
156 bool get_layer_link_offsets_flag()const { return checkbutton_layer_link_offsets.get_active(); }
157 void set_layer_link_offsets_flag(bool x) { return checkbutton_layer_link_offsets.set_active(x); }
159 Real get_feather() const { return adj_feather.get_value(); }
160 void set_feather(Real x) { return adj_feather.set_value(x); }
161 synfig::String get_id()const { return entry_id.get_text(); }
162 void set_id(const synfig::String& x) { return entry_id.set_text(x); }
164 Smach::event_result event_stop_handler(const Smach::event& x);
166 Smach::event_result event_refresh_handler(const Smach::event& x);
168 Smach::event_result event_mouse_click_handler(const Smach::event& x);
169 Smach::event_result event_mouse_release_handler(const Smach::event& x);
170 Smach::event_result event_mouse_motion_handler(const Smach::event& x);
171 Smach::event_result event_refresh_tool_options(const Smach::event& x);
173 Smach::event_result event_hijack(const Smach::event& /*x*/) { return Smach::RESULT_ACCEPT; }
175 void refresh_tool_options();
177 StateBLine_Context(CanvasView* canvas_view);
179 ~StateBLine_Context();
181 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
182 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
183 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
184 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
185 const synfig::TransformStack& get_transform_stack()const { return canvas_view_->get_curr_transform_stack(); }
187 void load_settings();
188 void save_settings();
191 //void on_user_click(synfig::Point point);
196 bool egress_on_selection_change;
197 Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
199 if(egress_on_selection_change)
200 throw Smach::egress_exception();
201 return Smach::RESULT_OK;
204 }; // END of class StateBLine_Context
207 /* === M E T H O D S ======================================================= */
209 StateBLine::StateBLine():
210 Smach::state<StateBLine_Context>("bline")
212 insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateBLine_Context::event_layer_selection_changed_handler));
213 insert(event_def(EVENT_STOP,&StateBLine_Context::event_stop_handler));
214 insert(event_def(EVENT_REFRESH,&StateBLine_Context::event_refresh_handler));
215 insert(event_def(EVENT_REFRESH_DUCKS,&StateBLine_Context::event_hijack));
216 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateBLine_Context::event_mouse_click_handler));
217 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateBLine_Context::event_mouse_release_handler));
218 insert(event_def(EVENT_WORKAREA_MOUSE_MOTION,&StateBLine_Context::event_mouse_motion_handler));
219 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateBLine_Context::event_mouse_motion_handler));
220 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateBLine_Context::event_refresh_tool_options));
223 StateBLine::~StateBLine()
228 StateBLine_Context::load_settings()
232 if(settings.get_value("bline.layer_region",value) && value=="0")
233 set_layer_region_flag(false);
235 set_layer_region_flag(true);
237 if(settings.get_value("bline.layer_bline",value) && value=="0")
238 set_layer_bline_flag(false);
240 set_layer_bline_flag(true);
242 if(settings.get_value("bline.layer_curve_gradient",value) && value=="1")
243 set_layer_curve_gradient_flag(true);
245 set_layer_curve_gradient_flag(false);
247 if(settings.get_value("bline.layer_link_offsets",value) && value=="0")
248 set_layer_link_offsets_flag(false);
250 set_layer_link_offsets_flag(true);
252 if(settings.get_value("bline.auto_export",value) && value=="1")
253 set_auto_export_flag(true);
255 set_auto_export_flag(false);
257 if(settings.get_value("bline.id",value))
262 if(settings.get_value("bline.feather",value))
264 Real n = atof(value.c_str());
272 StateBLine_Context::save_settings()
275 settings.set_value("bline.layer_bline",get_layer_bline_flag()?"1":"0");
276 settings.set_value("bline.layer_region",get_layer_region_flag()?"1":"0");
277 settings.set_value("bline.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
278 settings.set_value("bline.layer_link_offsets",get_layer_link_offsets_flag()?"1":"0");
279 settings.set_value("bline.auto_export",get_auto_export_flag()?"1":"0");
280 settings.set_value("bline.id",get_id().c_str());
281 settings.set_value("bline.feather",strprintf("%f",get_feather()));
285 StateBLine_Context::reset()
288 bline_point_list.clear();
293 StateBLine_Context::increment_id()
302 // If there is a number
303 // already at the end of the
304 // id, then remove it.
305 if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
307 // figure out how many digits it is
308 for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
311 str_number=String(id,id.size()-digits,id.size());
312 id=String(id,0,id.size()-digits);
313 synfig::info("---------------- \"%s\"",str_number.c_str());
315 number=atoi(str_number.c_str());
325 // Add the number back onto the id
327 const String format(strprintf("%%0%dd",digits));
328 id+=strprintf(format.c_str(),number);
336 StateBLine_Context::StateBLine_Context(CanvasView* canvas_view):
337 canvas_view_(canvas_view),
338 is_working(*canvas_view),
340 prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
341 duckmatic_push(get_work_area()),
342 settings(synfigapp::Main::get_selected_input_device()->settings()),
344 checkbutton_layer_region(_("Fill")),
345 checkbutton_layer_bline(_("Outline")),
346 checkbutton_layer_curve_gradient(_("Gradient")),
347 checkbutton_layer_link_offsets(_("Link Offsets")),
348 checkbutton_auto_export(_("Auto Export")),
349 button_make(_("Make")),
350 button_clear(_("Clear")),
351 adj_feather(0,0,10000,0.01,0.1),
352 spin_feather(adj_feather,0.01,4)
355 egress_on_selection_change=true;
358 // Set up the tool options dialog
359 //options_table.attach(*manage(new Gtk::Label(_("BLine Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
360 options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
361 options_table.attach(checkbutton_layer_region, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
362 options_table.attach(checkbutton_layer_bline, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
363 options_table.attach(checkbutton_layer_curve_gradient, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
364 options_table.attach(checkbutton_layer_link_offsets, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
365 options_table.attach(checkbutton_auto_export, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
366 options_table.attach(*manage(new Gtk::Label(_("Feather"))), 0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
367 options_table.attach(spin_feather, 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
368 //options_table.attach(button_make, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
369 //button_make.signal_pressed().connect(sigc::mem_fun(*this,&StateBLine_Context::run));
370 options_table.show_all();
371 refresh_tool_options();
372 App::dialog_tool_options->present();
374 // Turn off layer clicking
375 get_work_area()->set_allow_layer_clicks(false);
377 // clear out the ducks
378 get_work_area()->clear_ducks();
380 // Refresh the work area
381 get_work_area()->queue_draw();
383 // Hide the tables if they are showing
384 prev_table_status=get_canvas_view()->tables_are_visible();
385 if(prev_table_status)get_canvas_view()->hide_tables();
387 // Disable the time bar
388 get_canvas_view()->set_sensitive_timebar(false);
391 //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateBLine_Context::on_user_click));
392 get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
394 App::toolbox->refresh();
398 StateBLine_Context::refresh_tool_options()
400 App::dialog_tool_options->clear();
401 App::dialog_tool_options->set_widget(options_table);
402 App::dialog_tool_options->set_local_name(_("BLine Tool"));
403 App::dialog_tool_options->set_name("bline");
405 App::dialog_tool_options->add_button(
406 Gtk::StockID("gtk-execute"),
407 _("Make BLine and/or Region")
408 )->signal_clicked().connect(
409 sigc::hide_return(sigc::mem_fun(
411 &StateBLine_Context::run
415 App::dialog_tool_options->add_button(
416 Gtk::StockID("gtk-clear"),
417 _("Clear current BLine")
418 )->signal_clicked().connect(
421 &StateBLine_Context::reset
427 StateBLine_Context::event_refresh_tool_options(const Smach::event& /*x*/)
429 refresh_tool_options();
430 return Smach::RESULT_ACCEPT;
433 StateBLine_Context::~StateBLine_Context()
438 App::dialog_tool_options->clear();
440 get_canvas_view()->work_area->reset_cursor();
442 // Restore layer clicking
443 get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
445 // Enable the time bar
446 get_canvas_view()->set_sensitive_timebar(true);
448 // Bring back the tables if they were out before
449 if(prev_table_status)get_canvas_view()->show_tables();
451 // get_canvas_view()->get_smach().process_event(EVENT_REFRESH_DUCKS);
453 // Refresh the work area
454 get_work_area()->queue_draw();
456 App::toolbox->refresh();
460 StateBLine_Context::event_stop_handler(const Smach::event& /*x*/)
462 synfig::info("STATE RotoBLine: Received Stop Event");
465 // throw Smach::egress_exception();
466 // get_canvas_view()->get_smach().pop_state();
467 return Smach::RESULT_ACCEPT;
471 StateBLine_Context::event_refresh_handler(const Smach::event& /*x*/)
473 synfig::info("STATE RotoBLine: Received Refresh Event");
475 return Smach::RESULT_ACCEPT;
479 StateBLine_Context::run()
485 for(int i=5;i>0 && !success;i--)try
493 if(!success && !err.empty())
495 get_canvas_view()->get_ui_interface()->error(err);
501 StateBLine_Context::run_()
506 // Now we need to generate it
508 if(bline_point_list.empty())
512 if(bline_point_list.size()<2)
514 //get_canvas_view()->get_ui_interface()->error(_("You need at least two (2) points to create a BLine"));
521 // Create the action group
522 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New BLine"));
524 std::vector<BLinePoint> new_list;
525 std::list<synfig::ValueNode_Const::Handle>::iterator iter;
526 const synfig::TransformStack& transform(get_transform_stack());
528 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
530 BLinePoint bline_point((*iter)->get_value().get(BLinePoint()));
531 Point new_vertex(transform.unperform(bline_point.get_vertex()));
533 bline_point.set_tangent1(
535 bline_point.get_tangent1()+bline_point.get_vertex()
539 bline_point.set_tangent2(
541 bline_point.get_tangent2()+bline_point.get_vertex()
545 bline_point.set_vertex(new_vertex);
547 new_list.push_back(bline_point);
550 ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
551 assert(value_node_bline);
553 ValueNode_Const::Handle value_node_offset(ValueNode_Const::create(Vector()));
554 assert(value_node_offset);
556 // Set the looping flag
557 value_node_bline->set_loop(loop_);
559 // Add the BLine to the canvas
560 if(get_auto_export_flag() && !get_canvas_interface()->add_value_node(value_node_bline,get_id()))
562 //get_canvas_view()->get_ui_interface()->error(_("Unable to add value node"));
565 throw String(_("Unable to add value node"));
571 // we are temporarily using the layer to hold something
572 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
577 depth=layer->get_depth();
579 canvas=layer->get_canvas();
585 canvas=get_canvas_view()->get_canvas();
587 synfigapp::SelectionManager::LayerList layer_selection;
589 // If we were asked to create a region layer, go ahead and do so
590 if(get_layer_region_flag())
592 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
594 Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
596 layer_selection.push_back(layer);
597 layer->set_description(get_id()+_(" Region"));
598 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
602 layer->set_param("feather",get_feather());
603 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
606 if(get_layer_bline_flag())
607 layer->set_param("color",synfigapp::Main::get_background_color());
609 // I don't know if it's safe to reuse the same layer_param_connect action, so I'm
610 // using 2 separate ones.
612 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
615 action->set_param("canvas",get_canvas());
616 action->set_param("canvas_interface",get_canvas_interface());
617 action->set_param("layer",layer);
618 if(!action->set_param("param",String("bline")))
619 synfig::error("LayerParamConnect didn't like \"param\"");
620 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
621 synfig::error("LayerParamConnect didn't like \"value_node\"");
623 if(!get_canvas_interface()->get_instance()->perform_action(action))
625 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
627 throw String(_("Unable to create Region layer"));
632 if (get_layer_link_offsets_flag())
634 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
637 action->set_param("canvas",get_canvas());
638 action->set_param("canvas_interface",get_canvas_interface());
639 action->set_param("layer",layer);
640 if(!action->set_param("param",String("offset")))
641 synfig::error("LayerParamConnect didn't like \"param\"");
642 if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
643 synfig::error("LayerParamConnect didn't like \"value_node\"");
645 if(!get_canvas_interface()->get_instance()->perform_action(action))
647 //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
649 throw String(_("Unable to create Region layer"));
655 // If we were asked to create a BLine layer, go ahead and do so
656 if(get_layer_bline_flag())
658 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
660 Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
662 layer_selection.push_back(layer);
663 layer->set_description(get_id()+_(" Outline"));
664 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
667 layer->set_param("feather",get_feather());
668 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
672 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
675 action->set_param("canvas",get_canvas());
676 action->set_param("canvas_interface",get_canvas_interface());
677 action->set_param("layer",layer);
678 if(!action->set_param("param",String("bline")))
679 synfig::error("LayerParamConnect didn't like \"param\"");
680 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
681 synfig::error("LayerParamConnect didn't like \"value_node\"");
683 if(!get_canvas_interface()->get_instance()->perform_action(action))
685 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
687 throw String(_("Unable to create Outline layer"));
692 if (get_layer_link_offsets_flag())
694 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
697 action->set_param("canvas",get_canvas());
698 action->set_param("canvas_interface",get_canvas_interface());
699 action->set_param("layer",layer);
700 if(!action->set_param("param",String("offset")))
701 synfig::error("LayerParamConnect didn't like \"param\"");
702 if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
703 synfig::error("LayerParamConnect didn't like \"value_node\"");
705 if(!get_canvas_interface()->get_instance()->perform_action(action))
707 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
709 throw String(_("Unable to create Outline layer"));
714 /*if(get_layer_region_flag() && !get_auto_export_flag())
716 get_canvas_interface()->auto_export(synfigapp::ValueDesc(layer,"bline"));
722 // If we were asked to create a CurveGradient layer, go ahead and do so
723 if(get_layer_curve_gradient_flag())
725 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
727 Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
729 layer_selection.push_back(layer);
730 layer->set_description(get_id()+_(" Gradient"));
731 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
734 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
737 action->set_param("canvas",get_canvas());
738 action->set_param("canvas_interface",get_canvas_interface());
739 action->set_param("layer",layer);
740 if(!action->set_param("param",String("bline")))
741 synfig::error("LayerParamConnect didn't like \"param\"");
742 if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
743 synfig::error("LayerParamConnect didn't like \"value_node\"");
745 if(!get_canvas_interface()->get_instance()->perform_action(action))
747 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
749 throw String(_("Unable to create Gradient layer"));
754 if (get_layer_link_offsets_flag())
756 synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
759 action->set_param("canvas",get_canvas());
760 action->set_param("canvas_interface",get_canvas_interface());
761 action->set_param("layer",layer);
762 if(!action->set_param("param",String("offset")))
763 synfig::error("LayerParamConnect didn't like \"param\"");
764 if(!action->set_param("value_node",ValueNode::Handle(value_node_offset)))
765 synfig::error("LayerParamConnect didn't like \"value_node\"");
767 if(!get_canvas_interface()->get_instance()->perform_action(action))
769 //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
771 throw String(_("Unable to create Gradient layer"));
776 /*if(get_layer_region_flag() && !get_auto_export_flag())
778 get_canvas_interface()->auto_export(synfigapp::ValueDesc(layer,"bline"));
782 egress_on_selection_change=false;
783 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
784 get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
785 egress_on_selection_change=true;
787 //if(finish_bline_dialog.get_region_flag() || finish_bline_dialog.get_bline_flag())
788 // get_canvas_interface()->signal_dirty_preview()();
798 StateBLine_Context::event_mouse_motion_handler(const Smach::event& x)
800 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
804 //synfig::info("Moved Duck");
805 Point p(get_work_area()->snap_point_to_grid(event.pos));
806 curr_duck->set_trans_point(p);
808 next_duck->set_trans_point(p);
809 get_work_area()->queue_draw();
810 return Smach::RESULT_ACCEPT;
813 return Smach::RESULT_OK;
817 StateBLine_Context::event_mouse_release_handler(const Smach::event& /*x*/)
821 //synfig::info("Released current duck");
822 curr_duck->signal_edited()(curr_duck->get_point());
825 //synfig::info("grabbing next duck");
829 return Smach::RESULT_ACCEPT;
831 return Smach::RESULT_OK;
835 StateBLine_Context::event_mouse_click_handler(const Smach::event& x)
837 synfig::info("STATE BLINE: Received mouse button down Event");
838 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
843 // If we are already looped up, then don't try to add anything else
845 return Smach::RESULT_OK;
847 BLinePoint bline_point;
849 bline_point.set_vertex(get_work_area()->snap_point_to_grid(event.pos));
850 //bline_point.set_width(synfigapp::Main::get_bline_width());
851 bline_point.set_width(1.0f);
852 bline_point.set_origin(0.5f);
853 bline_point.set_split_tangent_flag(false);
854 bline_point.set_tangent1(Vector(0,0));
858 if(bline_point_list.empty())
860 bline_point.set_tangent1(Vector(1,1));
864 const Vector t(event.pos-bline_point_list.back()->get_value().get(BLinePoint()).get_vertex());
865 bline_point.set_tangent1(t);
868 if(bline_point_list.size()>1)
870 std::list<synfig::ValueNode_Const::Handle>::iterator iter;
871 iter=bline_point_list.end();
873 BLinePoint prev(bline_point_list.back()->get_value().get(BLinePoint()));
874 prev.set_tangent1(event.pos-(*iter)->get_value().get(BLinePoint()).get_vertex());
875 bline_point_list.back()->set_value(prev);
879 bline_point_list.push_back(ValueNode_Const::create(bline_point));
882 return Smach::RESULT_ACCEPT;
885 case BUTTON_RIGHT: // Intercept the right-button click to short-circuit the pop-up menu
886 if (!getenv("SYNFIG_ENABLE_POPUP_MENU_IN_ALL_TOOLS"))
887 return Smach::RESULT_ACCEPT;
890 return Smach::RESULT_OK;
895 StateBLine_Context::refresh_ducks(bool button_down)
897 get_work_area()->clear_ducks();
898 get_work_area()->queue_draw();
900 if(bline_point_list.empty())
903 list<ValueNode_Const::Handle>::iterator iter;
905 handle<WorkArea::Bezier> bezier;
906 handle<WorkArea::Duck> duck,tduck;
907 BLinePoint bline_point;
909 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
911 ValueNode_Const::Handle value_node(*iter);
912 bline_point=(value_node->get_value().get(BLinePoint()));
916 // First add the duck associated with this vertex
917 duck=new WorkArea::Duck(bline_point.get_vertex());
918 duck->set_editable(true);
919 duck->set_type(Duck::TYPE_VERTEX);
920 duck->set_name(strprintf("%x-vertex",value_node.get()));
921 duck->signal_edited().connect(
922 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_vertex_change),value_node)
924 duck->signal_user_click(2).connect(
925 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_vertex_menu),value_node)
927 duck->set_guid(value_node->get_guid()^GUID::hasher(0));
929 get_work_area()->add_duck(duck);
931 // Add the tangent1 duck
932 tduck=new WorkArea::Duck(bline_point.get_tangent1());
933 tduck->set_editable(true);
934 tduck->set_name(strprintf("%x-tangent1",value_node.get()));
935 tduck->set_origin(duck);
936 tduck->set_scalar(-0.33333333333333333);
937 tduck->set_tangent(true);
938 tduck->set_guid(value_node->get_guid()^GUID::hasher(3));
939 tduck->signal_edited().connect(
940 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),value_node)
942 tduck->signal_user_click(2).connect(
943 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),value_node)
946 // See if we need to add that duck to the previous bezier
949 get_work_area()->add_duck(tduck);
953 bezier->signal_user_click(2).connect(
957 &studio::StateBLine_Context::popup_bezier_menu
963 //get_work_area()->add_duck(bezier->c1);
964 //get_work_area()->add_duck(bezier->c2);
965 get_work_area()->add_bezier(bezier);
970 // Now we see if we need to create a bezier
971 list<ValueNode_Const::Handle>::iterator next(iter);
974 // If our next iterator is the end, then we don't need
976 //if(next==bline_point_list.end() && !loop_)
979 bezier=new WorkArea::Bezier();
981 // Add the tangent2 duck
982 tduck=new WorkArea::Duck(bline_point.get_tangent2());
983 tduck->set_editable(true);
984 tduck->set_origin(duck);
985 tduck->set_scalar(0.33333333333333333);
986 tduck->set_tangent(true);
987 if(bline_point.get_split_tangent_flag())
989 tduck->set_name(strprintf("%x-tangent2",value_node.get()));
990 tduck->signal_edited().connect(
991 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent2_change),value_node)
996 tduck->set_name(strprintf("%x-tangent1",value_node.get()));
997 tduck->signal_edited().connect(
998 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),value_node)
1001 tduck->set_guid(value_node->get_guid()^GUID::hasher(4));
1002 tduck->signal_user_click(2).connect(
1003 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),value_node)
1006 // Setup the next bezier
1010 get_work_area()->add_duck(tduck);
1014 // Add the loop, if requested
1018 BLinePoint bline_point(bline_point_list.front()->get_value().get(BLinePoint()));
1020 duck=new WorkArea::Duck(bline_point.get_vertex());
1021 duck->set_editable(true);
1022 duck->set_name(strprintf("%x-vertex",bline_point_list.front().get()));
1023 duck->signal_edited().connect(
1024 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_vertex_change),bline_point_list.front())
1026 duck->signal_user_click(2).connect(
1027 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_vertex_menu),bline_point_list.front())
1029 get_work_area()->add_duck(duck);
1031 // Add the tangent1 duck
1032 tduck=new WorkArea::Duck(bline_point.get_tangent1());
1033 tduck->set_editable(true);
1034 tduck->set_name(strprintf("%x-tangent1",bline_point_list.front().get()));
1035 tduck->set_origin(duck);
1036 tduck->set_scalar(-0.33333333333333333);
1037 tduck->set_tangent(true);
1038 tduck->signal_edited().connect(
1039 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),bline_point_list.front())
1041 tduck->signal_user_click(2).connect(
1042 sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),bline_point_list.front())
1044 get_work_area()->add_duck(tduck);
1049 bezier->signal_user_click(2).connect(
1053 &studio::StateBLine_Context::popup_bezier_menu
1055 bline_point_list.front()
1059 //get_work_area()->add_duck(bezier->c1);
1060 get_work_area()->add_bezier(bezier);
1062 if(bezier && !loop_)
1064 duck=new WorkArea::Duck(bline_point.get_vertex());
1065 duck->set_editable(false);
1066 duck->set_name("temp");
1068 // Add the tangent1 duck
1069 tduck=new WorkArea::Duck(Vector(0,0));
1070 tduck->set_editable(false);
1071 tduck->set_name("ttemp");
1072 tduck->set_origin(duck);
1073 tduck->set_scalar(-0.33333333333333333);
1075 tduck->set_tangent(true);
1079 get_work_area()->add_duck(bezier->p2);
1080 //get_work_area()->add_duck(bezier->c2);
1081 get_work_area()->add_bezier(bezier);
1083 duck->set_guid(GUID());
1084 tduck->set_guid(GUID());
1095 curr_duck=next_duck;
1100 get_work_area()->queue_draw();
1105 StateBLine_Context::on_vertex_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
1107 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1108 bline_point.set_vertex(point);
1109 value_node->set_value(bline_point);
1115 StateBLine_Context::on_tangent1_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
1117 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1118 bline_point.set_tangent1(point);
1119 value_node->set_value(bline_point);
1125 StateBLine_Context::on_tangent2_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
1127 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1128 bline_point.set_tangent2(point);
1129 value_node->set_value(bline_point);
1135 StateBLine_Context::loop_bline()
1139 refresh_ducks(false);
1143 StateBLine_Context::unloop_bline()
1147 refresh_ducks(false);
1151 StateBLine_Context::popup_vertex_menu(synfig::ValueNode_Const::Handle value_node)
1153 menu.items().clear();
1157 menu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Unloop BLine"),
1158 sigc::mem_fun(*this,&studio::StateBLine_Context::unloop_bline)
1161 menu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Loop BLine"),
1162 sigc::mem_fun(*this,&studio::StateBLine_Context::loop_bline)
1166 menu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Delete Vertex"),
1168 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_delete_vertex),
1177 StateBLine_Context::popup_bezier_menu(float location, synfig::ValueNode_Const::Handle value_node)
1179 menu.items().clear();
1181 menu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Insert Vertex"),
1184 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_insert_vertex),
1195 StateBLine_Context::bline_insert_vertex(synfig::ValueNode_Const::Handle value_node, float origin)
1197 list<ValueNode_Const::Handle>::iterator iter;
1199 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
1200 if(*iter==value_node)
1202 list<ValueNode_Const::Handle>::iterator prev(iter);
1205 BLinePoint bline_point;
1207 BLinePoint next_bline_point((*iter)->get_value().get(BLinePoint()));
1208 BLinePoint prev_bline_point;
1210 if(iter!=bline_point_list.begin())
1212 prev_bline_point=(*prev)->get_value().get(BLinePoint());
1216 prev_bline_point.set_vertex(Point(0,0));
1217 prev_bline_point.set_width(next_bline_point.get_width());
1218 prev_bline_point.set_origin(0.5);
1219 prev_bline_point.set_split_tangent_flag(false);
1222 etl::hermite<Vector> curve(prev_bline_point.get_vertex(),next_bline_point.get_vertex(),prev_bline_point.get_tangent2(),next_bline_point.get_tangent1());
1223 etl::derivative< etl::hermite<Vector> > deriv(curve);
1225 bline_point.set_vertex(curve(origin));
1226 bline_point.set_width((next_bline_point.get_width()-prev_bline_point.get_width())*origin+prev_bline_point.get_width());
1227 #ifdef ETL_FIXED_DERIVATIVE
1228 bline_point.set_tangent1(deriv(origin)*std::min(1.0f-origin,origin));
1230 bline_point.set_tangent1(-deriv(origin)*std::min(1.0f-origin,origin));
1232 bline_point.set_tangent2(bline_point.get_tangent1());
1233 bline_point.set_split_tangent_flag(false);
1234 bline_point.set_origin(origin);
1237 bline_point.set_vertex((next_bline_point.get_vertex()+prev_bline_point.get_vertex())*0.5);
1238 bline_point.set_width((next_bline_point.get_width()+prev_bline_point.get_width())*0.5);
1239 bline_point.set_origin(origin);
1240 bline_point.set_split_tangent_flag(false);
1241 bline_point.set_tangent1((next_bline_point.get_vertex()-prev_bline_point.get_vertex())*0.5);
1244 bline_point_list.insert(iter,ValueNode_Const::create(bline_point));
1248 if(iter==bline_point_list.end())
1250 get_canvas_view()->get_ui_interface()->error(_("Unable to find where to insert vertex, internal error, please report this bug"));
1253 refresh_ducks(false);
1257 StateBLine_Context::bline_delete_vertex(synfig::ValueNode_Const::Handle value_node)
1259 list<ValueNode_Const::Handle>::iterator iter;
1261 for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
1262 if(*iter==value_node)
1264 bline_point_list.erase(iter);
1267 if(iter==bline_point_list.end())
1269 get_canvas_view()->get_ui_interface()->error(_("Unable to remove vertex, internal error, please report this bug"));
1272 refresh_ducks(false);
1276 StateBLine_Context::popup_handle_menu(synfig::ValueNode_Const::Handle value_node)
1278 menu.items().clear();
1280 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1282 if(bline_point.get_split_tangent_flag())
1283 menu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Merge Tangents"),
1285 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_attach_handle),
1290 menu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Split Tangents"),
1292 sigc::mem_fun(*this,&studio::StateBLine_Context::bline_detach_handle),
1301 StateBLine_Context::bline_detach_handle(synfig::ValueNode_Const::Handle value_node)
1303 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1304 bline_point.set_split_tangent_flag(true);
1305 bline_point.set_tangent2(bline_point.get_tangent1());
1306 value_node->set_value(bline_point);
1307 refresh_ducks(false);
1311 StateBLine_Context::bline_attach_handle(synfig::ValueNode_Const::Handle value_node)
1313 BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
1314 bline_point.set_tangent1((bline_point.get_tangent1()+bline_point.get_tangent2())*0.5);
1315 bline_point.set_split_tangent_flag(false);
1316 value_node->set_value(bline_point);
1317 refresh_ducks(false);