--- /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;
+ }
+}
projects / synfig.git / blobdiff