1 /* === S Y N F I G ========================================================= */
2 /*! \file state_scale.cpp
3 ** \brief Template File
5 ** $Id: state_scale.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
8 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
10 ** This software and associated documentation
11 ** are CONFIDENTIAL and PROPRIETARY property of
12 ** the above-mentioned copyright holder.
14 ** You may not copy, print, publish, or in any
15 ** other way distribute this software without
16 ** a prior written agreement with
17 ** the copyright holder.
20 /* ========================================================================= */
22 /* === H E A D E R S ======================================================= */
31 #include <gtkmm/dialog.h>
32 #include <gtkmm/entry.h>
34 #include <synfig/valuenode_dynamiclist.h>
35 #include <synfigapp/action_system.h>
37 #include "state_scale.h"
38 #include "canvasview.h"
42 #include <synfigapp/action.h>
43 #include "event_mouse.h"
44 #include "event_layerclick.h"
46 #include "dialog_tooloptions.h"
47 #include <gtkmm/optionmenu.h>
49 #include <synfigapp/main.h>
53 /* === U S I N G =========================================================== */
57 using namespace synfig;
58 using namespace studio;
60 /* === M A C R O S ========================================================= */
62 /* === G L O B A L S ======================================================= */
64 StateScale studio::state_scale;
66 /* === C L A S S E S & S T R U C T S ======================================= */
68 class DuckDrag_Scale : public DuckDrag_Base
71 synfig::Vector last_scale;
72 synfig::Vector drag_offset;
73 synfig::Vector center;
76 std::vector<synfig::Vector> positions;
84 void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
85 bool end_duck_drag(Duckmatic* duckmatic);
86 void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
90 class studio::StateScale_Context : public sigc::trackable
92 etl::handle<CanvasView> canvas_view_;
94 synfigapp::Settings& settings;
96 etl::handle<DuckDrag_Scale> duck_dragger_;
98 Gtk::Table options_table;
101 Gtk::CheckButton checkbutton_aspect_lock;
105 bool get_aspect_lock_flag()const { return checkbutton_aspect_lock.get_active(); }
106 void set_aspect_lock_flag(bool x) { return checkbutton_aspect_lock.set_active(x); refresh_aspect_lock_flag(); }
108 void refresh_aspect_lock_flag() { if(duck_dragger_)duck_dragger_->lock_aspect=get_aspect_lock_flag(); }
110 Smach::event_result event_refresh_tool_options(const Smach::event& x);
112 void refresh_tool_options();
114 StateScale_Context(CanvasView* canvas_view);
116 ~StateScale_Context();
118 const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
119 etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
120 synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
121 WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
123 void load_settings();
124 void save_settings();
125 }; // END of class StateScale_Context
127 /* === M E T H O D S ======================================================= */
129 StateScale::StateScale():
130 Smach::state<StateScale_Context>("scale")
132 insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateScale_Context::event_refresh_tool_options));
135 StateScale::~StateScale()
140 StateScale_Context::load_settings()
144 if(settings.get_value("scale.lock_aspect",value) && value=="0")
145 set_aspect_lock_flag(false);
147 set_aspect_lock_flag(true);
151 StateScale_Context::save_settings()
153 settings.set_value("scale.lock_aspect",get_aspect_lock_flag()?"1":"0");
156 StateScale_Context::StateScale_Context(CanvasView* canvas_view):
157 canvas_view_(canvas_view),
158 settings(synfigapp::Main::get_selected_input_device()->settings()),
159 duck_dragger_(new DuckDrag_Scale()),
160 checkbutton_aspect_lock(_("Lock Aspect Ratio"))
162 // Set up the tool options dialog
163 //options_table.attach(*manage(new Gtk::Label(_("Scale Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
164 options_table.attach(checkbutton_aspect_lock, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
166 checkbutton_aspect_lock.signal_toggled().connect(sigc::mem_fun(*this,&StateScale_Context::refresh_aspect_lock_flag));
168 options_table.show_all();
169 refresh_tool_options();
170 App::dialog_tool_options->present();
172 get_work_area()->allow_layer_clicks=true;
173 get_work_area()->set_duck_dragger(duck_dragger_);
175 // get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
176 get_canvas_view()->work_area->reset_cursor();
178 App::toolbox->refresh();
180 set_aspect_lock_flag(true);
185 StateScale_Context::refresh_tool_options()
187 App::dialog_tool_options->clear();
188 App::dialog_tool_options->set_widget(options_table);
189 App::dialog_tool_options->set_local_name(_("Scale Tool"));
190 App::dialog_tool_options->set_name("scale");
194 StateScale_Context::event_refresh_tool_options(const Smach::event& x)
196 refresh_tool_options();
197 return Smach::RESULT_ACCEPT;
200 StateScale_Context::~StateScale_Context()
204 get_work_area()->clear_duck_dragger();
205 get_canvas_view()->work_area->reset_cursor();
207 App::dialog_tool_options->clear();
209 App::toolbox->refresh();
215 DuckDrag_Scale::DuckDrag_Scale():
221 #define EPSILON 0.0000001
225 DuckDrag_Scale::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
227 last_scale=Vector(1,1);
228 const DuckList selected_ducks(duckmatic->get_selected_ducks());
229 DuckList::const_iterator iter;
231 //if(duckmatic->get_selected_ducks().size()<2)
238 drag_offset=duckmatic->find_duck(offset)->get_trans_point();
240 //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
241 //snap=offset-drag_offset;
245 Point vmin(100000000,100000000);
246 Point vmax(-100000000,-100000000);
247 //std::set<etl::handle<Duck> >::iterator iter;
250 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
252 Point p((*iter)->get_trans_point());
253 vmin[0]=min(vmin[0],p[0]);
254 vmin[1]=min(vmin[1],p[1]);
255 vmax[0]=max(vmax[0],p[0]);
256 vmax[1]=max(vmax[1],p[1]);
257 positions.push_back(p);
259 if((vmin-vmax).mag()<=EPSILON)
264 center=(vmin+vmax)*0.5;
269 DuckDrag_Scale::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
271 const DuckList selected_ducks(duckmatic->get_selected_ducks());
272 DuckList::const_iterator iter;
277 //std::set<etl::handle<Duck> >::iterator iter;
278 synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-center);
284 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
286 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
288 Vector p(positions[i]);
292 (*iter)->set_trans_point(p);
294 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
296 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
298 Vector p(positions[i]);
302 (*iter)->set_trans_point(p);
309 if(abs(drag_offset[0]-center[0])>EPSILON)
310 vect[0]/=drag_offset[0]-center[0];
313 if(abs(drag_offset[1]-center[1])>EPSILON)
314 vect[1]/=drag_offset[1]-center[1];
320 //vect[0]=vect[1]=vect.mag()*0.707106781;
321 Real amount(vect.mag()/(drag_offset-center).mag());
322 vect[0]=vect[1]=amount;
325 if(vect[0]<EPSILON && vect[0]>-EPSILON)
327 if(vect[1]<EPSILON && vect[1]>-EPSILON)
331 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
333 if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
335 Vector p(positions[i]-center);
340 (*iter)->set_trans_point(p);
342 for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
344 if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
346 Vector p(positions[i]-center);
351 (*iter)->set_trans_point(p);
359 DuckDrag_Scale::end_duck_drag(Duckmatic* duckmatic)
361 if(bad_drag)return false;
363 if((last_scale-Vector(1,1)).mag()>0.0001)
365 duckmatic->signal_edited_selected_ducks();
370 duckmatic->signal_user_click_selected_ducks(0);