1 /* === S Y N F I G ========================================================= */
2 /*! \file state_circle.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2008 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>
37 #include <synfigapp/action_system.h>
39 #include "state_circle.h"
40 #include "canvasview.h"
44 #include <synfigapp/action.h>
45 #include "event_mouse.h"
46 #include "event_layerclick.h"
48 #include "dialog_tooloptions.h"
49 #include <gtkmm/optionmenu.h>
51 #include "widget_enum.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 ========================================================= */
69 CIRCLE_INTERPOLATION_LINEAR =1,
76 /* === G L O B A L S ======================================================= */
78 StateCircle studio::state_circle;
80 /* === C L A S S E S & S T R U C T S ======================================= */
82 class studio::StateCircle_Context : public sigc::trackable
84 etl::handle<CanvasView> canvas_view_;
85 CanvasView::IsWorking is_working;
87 Duckmatic::Push duckmatic_push;
91 etl::handle<Duck> point2_duck;
95 bool prev_workarea_layer_status_;
98 synfigapp::Settings& settings;
101 Gtk::Table options_table;
103 Gtk::Entry entry_id; //what to name the layer
105 Widget_Enum enum_falloff;
106 Widget_Enum enum_blend;
108 Gtk::Adjustment adj_feather;
109 Gtk::SpinButton spin_feather;
111 Gtk::CheckButton check_invert;
115 synfig::String get_id()const { return entry_id.get_text(); }
116 void set_id(const synfig::String& x) { return entry_id.set_text(x); }
118 int get_falloff()const { return enum_falloff.get_value(); }
119 void set_falloff(int x) { return enum_falloff.set_value(x); }
121 int get_blend()const { return enum_blend.get_value(); }
122 void set_blend(int x) { return enum_blend.set_value(x); }
124 Real get_feather()const { return adj_feather.get_value(); }
125 void set_feather(Real f) { adj_feather.set_value(f); }
127 bool get_invert()const { return check_invert.get_active(); }
128 void set_invert(bool i) { check_invert.set_active(i); }
130 void refresh_tool_options(); //to refresh the toolbox
133 Smach::event_result event_stop_handler(const Smach::event& x);
134 Smach::event_result event_refresh_handler(const Smach::event& x);
135 Smach::event_result event_mouse_click_handler(const Smach::event& x);
136 Smach::event_result event_refresh_tool_options(const Smach::event& x);
138 //constructor destructor
139 StateCircle_Context(CanvasView* canvas_view);
140 ~StateCircle_Context();
143 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
144 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
145 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
146 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
148 //Modifying settings etc.
149 void load_settings();
150 void save_settings();
153 bool egress_on_selection_change;
154 Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
156 if(egress_on_selection_change)
157 throw Smach::egress_exception();
158 return Smach::RESULT_OK;
161 void make_circle(const Point& p1, const Point& p2);
163 }; // END of class StateGradient_Context
165 /* === M E T H O D S ======================================================= */
167 StateCircle::StateCircle():
168 Smach::state<StateCircle_Context>("circle")
170 insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateCircle_Context::event_layer_selection_changed_handler));
171 insert(event_def(EVENT_STOP,&StateCircle_Context::event_stop_handler));
172 insert(event_def(EVENT_REFRESH,&StateCircle_Context::event_refresh_handler));
173 insert(event_def(EVENT_REFRESH_DUCKS,&StateCircle_Context::event_refresh_handler));
174 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateCircle_Context::event_mouse_click_handler));
175 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateCircle_Context::event_mouse_click_handler));
176 insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateCircle_Context::event_mouse_click_handler));
177 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateCircle_Context::event_refresh_tool_options));
180 StateCircle::~StateCircle()
185 StateCircle_Context::load_settings()
189 //parse the arguments yargh!
190 if(settings.get_value("circle.id",value))
195 if(settings.get_value("circle.fallofftype",value) && value != "")
196 set_falloff(atoi(value.c_str()));
200 if(settings.get_value("circle.blend",value) && value != "")
201 set_blend(atoi(value.c_str()));
203 set_blend(0);//(int)Color::BLEND_COMPOSITE); //0 should be blend composites value
205 if(settings.get_value("circle.feather",value))
206 set_feather(atof(value.c_str()));
210 if(settings.get_value("circle.invert",value) && value != "0")
217 StateCircle_Context::save_settings()
219 settings.set_value("circle.id",get_id());
220 settings.set_value("circle.fallofftype",strprintf("%d",get_falloff()));
221 settings.set_value("circle.blend",strprintf("%d",get_blend()));
222 settings.set_value("circle.feather",strprintf("%f",(float)get_feather()));
223 settings.set_value("circle.invert",get_invert()?"1":"0");
227 StateCircle_Context::reset()
233 StateCircle_Context::increment_id()
242 // If there is a number
243 // already at the end of the
244 // id, then remove it.
245 if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
247 // figure out how many digits it is
249 (int)id.size()-1 >= digits && id[id.size()-1-digits] <= '9' && id[id.size()-1-digits] >= '0';
254 str_number=String(id,id.size()-digits,id.size());
255 id=String(id,0,id.size()-digits);
257 number=atoi(str_number.c_str());
267 // Add the number back onto the id
269 const String format(strprintf("%%0%dd",digits));
270 id+=strprintf(format.c_str(),number);
277 StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
278 canvas_view_(canvas_view),
279 is_working(*canvas_view),
280 duckmatic_push(get_work_area()),
281 prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
282 settings(synfigapp::Main::get_selected_input_device()->settings()),
284 adj_feather(0,0,1,0.01,0.1),
285 spin_feather(adj_feather,0.1,3),
286 check_invert(_("Invert"))
288 egress_on_selection_change=true;
289 // Set up the tool options dialog
290 //options_table.attach(*manage(new Gtk::Label(_("Circle Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
291 options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
293 enum_falloff.set_param_desc(ParamDesc("falloff")
294 .set_local_name(_("Falloff"))
295 .set_description(_("Determines the falloff function for the feather"))
297 .add_enum_value(CIRCLE_INTERPOLATION_LINEAR,"linear",_("Linear"))
298 .add_enum_value(CIRCLE_SQUARED,"squared",_("Squared"))
299 .add_enum_value(CIRCLE_SQRT,"sqrt",_("Square Root"))
300 .add_enum_value(CIRCLE_SIGMOND,"sigmond",_("Sigmond"))
301 .add_enum_value(CIRCLE_COSINE,"cosine",_("Cosine")));
303 enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
304 .set_local_name(_("Blend Method"))
305 .set_description(_("Defines the blend method to be used for circles")));
310 options_table.attach(*manage(new Gtk::Label(_("Feather:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
311 options_table.attach(spin_feather, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
312 options_table.attach(enum_falloff, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
313 options_table.attach(enum_blend, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
316 options_table.attach(check_invert, 0, 2, 6, 7, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
318 options_table.show_all();
320 refresh_tool_options();
321 App::dialog_tool_options->present();
323 // Turn off layer clicking
324 get_work_area()->set_allow_layer_clicks(false);
326 // clear out the ducks
327 get_work_area()->clear_ducks();
329 // Refresh the work area
330 get_work_area()->queue_draw();
332 // Hide the tables if they are showing
333 //prev_table_status=get_canvas_view()->tables_are_visible();
334 //if(prev_table_status)get_canvas_view()->hide_tables();
336 // Disable the time bar
337 //get_canvas_view()->set_sensitive_timebar(false);
340 //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateCircle_Context::on_user_click));
341 get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
343 App::toolbox->refresh();
347 StateCircle_Context::refresh_tool_options()
349 App::dialog_tool_options->clear();
350 App::dialog_tool_options->set_widget(options_table);
351 App::dialog_tool_options->set_local_name(_("Circle Tool"));
352 App::dialog_tool_options->set_name("circle");
356 StateCircle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
358 refresh_tool_options();
359 return Smach::RESULT_ACCEPT;
362 StateCircle_Context::~StateCircle_Context()
366 // Restore layer clicking
367 get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
368 get_canvas_view()->work_area->reset_cursor();
370 App::dialog_tool_options->clear();
372 // Enable the time bar
373 //get_canvas_view()->set_sensitive_timebar(true);
375 // Bring back the tables if they were out before
376 //if(prev_table_status)get_canvas_view()->show_tables();
378 // Refresh the work area
379 get_work_area()->queue_draw();
381 App::toolbox->refresh();
385 StateCircle_Context::event_stop_handler(const Smach::event& /*x*/)
387 throw Smach::egress_exception();
391 StateCircle_Context::event_refresh_handler(const Smach::event& /*x*/)
394 return Smach::RESULT_ACCEPT;
398 StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
400 synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
401 synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
405 Canvas::Handle canvas(get_canvas_view()->get_canvas());
408 // we are temporarily using the layer to hold something
409 layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
412 depth=layer->get_depth();
413 canvas=layer->get_canvas();
416 const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
417 const Point p1(transform.unperform(_p1));
418 const Point p2(transform.unperform(_p2));
420 if(get_falloff() >= 0 && get_falloff() < CIRCLE_NUM_FALLOFF)
423 layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
425 layer->set_param("pos",p1);
426 get_canvas_interface()->signal_layer_param_changed()(layer,"pos");
428 layer->set_param("radius",(p2-p1).mag());
429 get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
431 layer->set_param("falloff",get_falloff());
432 get_canvas_interface()->signal_layer_param_changed()(layer,"falloff");
434 layer->set_param("feather",get_feather());
435 get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
437 layer->set_param("invert",get_invert());
438 get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
440 layer->set_param("blend_method",get_blend());
441 get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
443 layer->set_description(get_id());
444 get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
446 egress_on_selection_change=false;
447 get_canvas_interface()->get_selection_manager()->clear_selected_layers();
448 get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
449 egress_on_selection_change=true;
457 StateCircle_Context::event_mouse_click_handler(const Smach::event& x)
459 const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
461 if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
463 point_holder=get_work_area()->snap_point_to_grid(event.pos);
464 etl::handle<Duck> duck=new Duck();
465 duck->set_point(point_holder);
466 duck->set_name("p1");
467 duck->set_type(Duck::TYPE_POSITION);
468 duck->set_editable(false);
469 get_work_area()->add_duck(duck);
471 point2_duck=new Duck();
472 point2_duck->set_point(Vector(0,0));
473 point2_duck->set_name("radius");
474 point2_duck->set_origin(duck);
475 point2_duck->set_radius(true);
476 point2_duck->set_scalar(-1);
477 point2_duck->set_type(Duck::TYPE_RADIUS);
478 point2_duck->set_hover(true);
479 get_work_area()->add_duck(point2_duck);
481 return Smach::RESULT_ACCEPT;
484 if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
486 point2_duck->set_point(point_holder-get_work_area()->snap_point_to_grid(event.pos));
487 get_work_area()->queue_draw();
488 return Smach::RESULT_ACCEPT;
491 if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
493 Point point(get_work_area()->snap_point_to_grid(event.pos));
495 if (App::restrict_radius_ducks)
497 if ((point[0] - point_holder[0]) * get_work_area()->get_pw() < 0) point[0] = point_holder[0];
498 if ((point[1] - point_holder[1]) * get_work_area()->get_ph() > 0) point[1] = point_holder[1];
501 make_circle(point_holder, point);
502 get_work_area()->clear_ducks();
503 return Smach::RESULT_ACCEPT;
506 return Smach::RESULT_OK;
511 StateCircle_Context::refresh_ducks()
513 get_work_area()->clear_ducks();
514 get_work_area()->queue_draw();