+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file state_scale.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2008 Chris Moore
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <gtkmm/dialog.h>
-#include <gtkmm/entry.h>
-
-#include <synfig/valuenode_dynamiclist.h>
-#include <synfigapp/action_system.h>
-
-#include "state_scale.h"
-#include "canvasview.h"
-#include "workarea.h"
-#include "app.h"
-
-#include <synfigapp/action.h>
-#include "event_mouse.h"
-#include "event_layerclick.h"
-#include "toolbox.h"
-#include "dialog_tooloptions.h"
-#include <gtkmm/optionmenu.h>
-#include "duck.h"
-#include <synfigapp/main.h>
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace studio;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-StateScale studio::state_scale;
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-class DuckDrag_Scale : public DuckDrag_Base
-{
-
- synfig::Vector last_scale;
- synfig::Vector drag_offset;
- synfig::Vector center;
- synfig::Vector snap;
-
- std::vector<synfig::Vector> positions;
-
- bool move_only;
-
- bool bad_drag;
-public:
- bool lock_aspect;
- DuckDrag_Scale();
- void begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& begin);
- bool end_duck_drag(Duckmatic* duckmatic);
- void duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector);
-};
-
-
-class studio::StateScale_Context : public sigc::trackable
-{
- etl::handle<CanvasView> canvas_view_;
-
- synfigapp::Settings& settings;
-
- etl::handle<DuckDrag_Scale> duck_dragger_;
-
- Gtk::Table options_table;
-
-
- Gtk::CheckButton checkbutton_aspect_lock;
-
-public:
-
- bool get_aspect_lock_flag()const { return checkbutton_aspect_lock.get_active(); }
- void set_aspect_lock_flag(bool x) { return checkbutton_aspect_lock.set_active(x); refresh_aspect_lock_flag(); }
-
- void refresh_aspect_lock_flag() { if(duck_dragger_)duck_dragger_->lock_aspect=get_aspect_lock_flag(); }
-
- Smach::event_result event_refresh_tool_options(const Smach::event& x);
-
- void refresh_tool_options();
-
- StateScale_Context(CanvasView* canvas_view);
-
- ~StateScale_Context();
-
- const etl::handle<CanvasView>& get_canvas_view()const{return canvas_view_;}
- etl::handle<synfigapp::CanvasInterface> get_canvas_interface()const{return canvas_view_->canvas_interface();}
- synfig::Canvas::Handle get_canvas()const{return canvas_view_->get_canvas();}
- WorkArea * get_work_area()const{return canvas_view_->get_work_area();}
-
- void load_settings();
- void save_settings();
-}; // END of class StateScale_Context
-
-/* === M E T H O D S ======================================================= */
-
-StateScale::StateScale():
- Smach::state<StateScale_Context>("scale")
-{
- insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateScale_Context::event_refresh_tool_options));
-}
-
-StateScale::~StateScale()
-{
-}
-
-void
-StateScale_Context::load_settings()
-{
- String value;
-
- if(settings.get_value("scale.lock_aspect",value) && value=="0")
- set_aspect_lock_flag(false);
- else
- set_aspect_lock_flag(true);
-}
-
-void
-StateScale_Context::save_settings()
-{
- settings.set_value("scale.lock_aspect",get_aspect_lock_flag()?"1":"0");
-}
-
-StateScale_Context::StateScale_Context(CanvasView* canvas_view):
- canvas_view_(canvas_view),
- settings(synfigapp::Main::get_selected_input_device()->settings()),
- duck_dragger_(new DuckDrag_Scale()),
- checkbutton_aspect_lock(_("Lock Aspect Ratio"))
-{
- // Set up the tool options dialog
- options_table.attach(*manage(new Gtk::Label(_("Scale Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(checkbutton_aspect_lock, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
- checkbutton_aspect_lock.signal_toggled().connect(sigc::mem_fun(*this,&StateScale_Context::refresh_aspect_lock_flag));
-
- options_table.show_all();
- refresh_tool_options();
- App::dialog_tool_options->present();
-
- get_work_area()->set_allow_layer_clicks(true);
- get_work_area()->set_duck_dragger(duck_dragger_);
-
-// get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
- get_canvas_view()->work_area->reset_cursor();
-
- App::toolbox->refresh();
-
- set_aspect_lock_flag(true);
- load_settings();
-}
-
-void
-StateScale_Context::refresh_tool_options()
-{
- App::dialog_tool_options->clear();
- App::dialog_tool_options->set_widget(options_table);
- App::dialog_tool_options->set_local_name(_("Scale Tool"));
- App::dialog_tool_options->set_name("scale");
-}
-
-Smach::event_result
-StateScale_Context::event_refresh_tool_options(const Smach::event& /*x*/)
-{
- refresh_tool_options();
- return Smach::RESULT_ACCEPT;
-}
-
-StateScale_Context::~StateScale_Context()
-{
- save_settings();
-
- get_work_area()->clear_duck_dragger();
- get_canvas_view()->work_area->reset_cursor();
-
- App::dialog_tool_options->clear();
-
- App::toolbox->refresh();
-}
-
-
-
-
-DuckDrag_Scale::DuckDrag_Scale():
- lock_aspect(true)
-{
-}
-
-#ifndef EPSILON
-#define EPSILON 0.0000001
-#endif
-
-void
-DuckDrag_Scale::begin_duck_drag(Duckmatic* duckmatic, const synfig::Vector& offset)
-{
- last_scale=Vector(1,1);
- const DuckList selected_ducks(duckmatic->get_selected_ducks());
- DuckList::const_iterator iter;
-
- //if(duckmatic->get_selected_ducks().size()<2)
- //{
- // bad_drag=true;
-// return;
-// }
- bad_drag=false;
-
- drag_offset=duckmatic->find_duck(offset)->get_trans_point();
-
- //snap=drag_offset-duckmatic->snap_point_to_grid(drag_offset);
- //snap=offset-drag_offset;
- snap=Vector(0,0);
-
- // Calculate center
- Point vmin(100000000,100000000);
- Point vmax(-100000000,-100000000);
- //std::set<etl::handle<Duck> >::iterator iter;
- positions.clear();
- int i;
- for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
- {
- Point p((*iter)->get_trans_point());
- vmin[0]=min(vmin[0],p[0]);
- vmin[1]=min(vmin[1],p[1]);
- vmax[0]=max(vmax[0],p[0]);
- vmax[1]=max(vmax[1],p[1]);
- positions.push_back(p);
- }
- if((vmin-vmax).mag()<=EPSILON)
- move_only=true;
- else
- move_only=false;
-
- center=(vmin+vmax)*0.5;
-}
-
-
-void
-DuckDrag_Scale::duck_drag(Duckmatic* duckmatic, const synfig::Vector& vector)
-{
- const DuckList selected_ducks(duckmatic->get_selected_ducks());
- DuckList::const_iterator iter;
-
- if(bad_drag)
- return;
-
- //std::set<etl::handle<Duck> >::iterator iter;
- synfig::Vector vect(duckmatic->snap_point_to_grid(vector)-center);
- last_scale=vect;
-
- if(move_only)
- {
- int i;
- for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
- {
- if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
-
- Vector p(positions[i]);
-
- p[0]+=vect[0];
- p[1]+=vect[1];
- (*iter)->set_trans_point(p);
- }
- for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
- {
- if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
-
- Vector p(positions[i]);
-
- p[0]+=vect[0];
- p[1]+=vect[1];
- (*iter)->set_trans_point(p);
- }
- return;
- }
-
- if(!lock_aspect)
- {
- if(abs(drag_offset[0]-center[0])>EPSILON)
- vect[0]/=drag_offset[0]-center[0];
- else
- vect[0]=1;
- if(abs(drag_offset[1]-center[1])>EPSILON)
- vect[1]/=drag_offset[1]-center[1];
- else
- vect[1]=1;
- }
- else
- {
- //vect[0]=vect[1]=vect.mag()*0.707106781;
- Real amount(vect.mag()/(drag_offset-center).mag());
- vect[0]=vect[1]=amount;
- }
-
- if(vect[0]<EPSILON && vect[0]>-EPSILON)
- vect[0]=1;
- if(vect[1]<EPSILON && vect[1]>-EPSILON)
- vect[1]=1;
-
- int i;
- for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
- {
- if(((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
-
- Vector p(positions[i]-center);
-
- p[0]*=vect[0];
- p[1]*=vect[1];
- p+=center;
- (*iter)->set_trans_point(p);
- }
- for(i=0,iter=selected_ducks.begin();iter!=selected_ducks.end();++iter,i++)
- {
- if(!((*iter)->get_type()!=Duck::TYPE_VERTEX&&(*iter)->get_type()!=Duck::TYPE_POSITION))continue;
-
- Vector p(positions[i]-center);
-
- p[0]*=vect[0];
- p[1]*=vect[1];
- p+=center;
- (*iter)->set_trans_point(p);
- }
-
- last_scale=vect;
- //snap=Vector(0,0);
-}
-
-bool
-DuckDrag_Scale::end_duck_drag(Duckmatic* duckmatic)
-{
- if(bad_drag)return false;
-
- if((last_scale-Vector(1,1)).mag()>0.0001)
- {
- duckmatic->signal_edited_selected_ducks();
- return true;
- }
- else
- {
- duckmatic->signal_user_click_selected_ducks(0);
- return false;
- }
-}
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