+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file state_width.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 <ETL/bezier>
-
-#include <synfig/valuenode_dynamiclist.h>
-#include <synfigapp/action_system.h>
-
-#include "state_width.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/value_desc.h>
-#include <synfigapp/main.h>
-
-#include <ETL/clock>
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace synfigapp;
-using namespace studio;
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-StateWidth studio::state_width;
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-class studio::StateWidth_Context : public sigc::trackable
-{
- etl::handle<CanvasView> canvas_view_;
- CanvasView::IsWorking is_working;
-
- //Point mouse_pos;
-
- handle<Duck> center;
- handle<Duck> radius;
- handle<Duck> closestpoint;
-
- map<handle<Duck>,Real> changetable;
-
- etl::clock clocktime;
- Real lastt;
-
- bool added;
-
- void refresh_ducks();
-
- bool prev_workarea_layer_clicking;
- bool prev_workarea_duck_clicking;
- Duckmatic::Type old_duckmask;
-
- //Toolbox settings
- synfigapp::Settings& settings;
-
- //Toolbox display
- Gtk::Table options_table;
-
- Gtk::Adjustment adj_delta;
- Gtk::SpinButton spin_delta;
-
- Gtk::Adjustment adj_radius;
- Gtk::SpinButton spin_radius;
-
- Gtk::CheckButton check_relative;
-
- void AdjustWidth(handle<Duckmatic::Bezier> c, float t, Real mult, bool invert);
-
-public:
-
- Real get_delta()const { return adj_delta.get_value(); }
- void set_delta(Real f) { adj_delta.set_value(f); }
-
- Real get_radius()const { return adj_radius.get_value(); }
- void set_radius(Real f) { adj_radius.set_value(f); }
-
- bool get_relative() const { return check_relative.get_active(); }
- void set_relative(bool r) { check_relative.set_active(r); }
-
- void refresh_tool_options(); //to refresh the toolbox
-
- //events
- Smach::event_result event_stop_handler(const Smach::event& x);
- Smach::event_result event_refresh_handler(const Smach::event& x);
- Smach::event_result event_mouse_handler(const Smach::event& x);
- Smach::event_result event_refresh_tool_options(const Smach::event& x);
-
- //constructor destructor
- StateWidth_Context(CanvasView* canvas_view);
- ~StateWidth_Context();
-
- //Canvas interaction
- 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();}
-
- //Modifying settings etc.
- void load_settings();
- void save_settings();
- void reset();
-
-}; // END of class StateWidth_Context
-
-/* === M E T H O D S ======================================================= */
-
-StateWidth::StateWidth():
- Smach::state<StateWidth_Context>("width")
-{
- insert(event_def(EVENT_STOP,&StateWidth_Context::event_stop_handler));
- insert(event_def(EVENT_REFRESH,&StateWidth_Context::event_refresh_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateWidth_Context::event_mouse_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateWidth_Context::event_mouse_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateWidth_Context::event_mouse_handler));
- insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateWidth_Context::event_refresh_tool_options));
-}
-
-StateWidth::~StateWidth()
-{
-}
-
-void
-StateWidth_Context::load_settings()
-{
- String value;
-
- //parse the arguments yargh!
- if(settings.get_value("width.delta",value))
- set_delta(atof(value.c_str()));
- else
- set_delta(6);
-
- if(settings.get_value("width.radius",value))
- set_radius(atof(value.c_str()));
- else
- set_radius(15);
-
- //defaults to false
- if(settings.get_value("width.relative",value) && value == "1")
- set_relative(true);
- else
- set_relative(false);
-}
-
-void
-StateWidth_Context::save_settings()
-{
- settings.set_value("width.delta",strprintf("%f",get_delta()));
- settings.set_value("width.radius",strprintf("%f",get_radius()));
- settings.set_value("width.relative",get_relative()?"1":"0");
-}
-
-void
-StateWidth_Context::reset()
-{
- refresh_ducks();
-}
-
-StateWidth_Context::StateWidth_Context(CanvasView* canvas_view):
- canvas_view_(canvas_view),
- is_working(*canvas_view),
- prev_workarea_layer_clicking(get_work_area()->get_allow_layer_clicks()),
- prev_workarea_duck_clicking(get_work_area()->get_allow_duck_clicks()),
- old_duckmask(get_work_area()->get_type_mask()),
-
- settings(synfigapp::Main::get_selected_input_device()->settings()),
-
- adj_delta(6,0,20,0.01,0.1),
- spin_delta(adj_delta,0.01,3),
-
- adj_radius(200,0,1e50,1,10),
- spin_radius(adj_radius,1,1),
-
- check_relative(_("Relative Growth"))
-{
- load_settings();
-
- // Set up the tool options dialog
- options_table.attach(*manage(new Gtk::Label(_("Width Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
- //expand stuff
- options_table.attach(*manage(new Gtk::Label(_("Growth:"))), 0, 1, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(spin_delta, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
- options_table.attach(*manage(new Gtk::Label(_("Radius:"))), 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(spin_radius, 1, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
- options_table.attach(check_relative, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-
- options_table.show_all();
-
- refresh_tool_options();
- App::dialog_tool_options->present();
-
- // Turn off layer clicking
- get_work_area()->set_allow_layer_clicks(false);
-
- // clear out the ducks
- //get_work_area()->clear_ducks();
-
- // Refresh the work area
- get_work_area()->queue_draw();
-
- //Create the new ducks
- added = false;
-
- if(!center)
- {
- center = new Duck();
- center->set_name("p1");
- center->set_type(Duck::TYPE_POSITION);
- }
-
- if(!radius)
- {
- radius = new Duck();
- radius->set_origin(center);
- radius->set_radius(true);
- radius->set_type(Duck::TYPE_RADIUS);
- radius->set_name("radius");
- }
-
- if(!closestpoint)
- {
- closestpoint = new Duck();
- closestpoint->set_name("closest");
- closestpoint->set_type(Duck::TYPE_POSITION);
- }
-
- //Disable duck clicking for the maximum coolness :)
- get_work_area()->set_allow_duck_clicks(false);
- get_work_area()->set_type_mask((Duck::Type)((int)Duck::TYPE_WIDTH + (int)Duck::TYPE_RADIUS));
-
- // Turn the mouse pointer to crosshairs
- get_work_area()->set_cursor(Gdk::CROSSHAIR);
-
- // Hide the tables if they are showing
- //prev_table_status=get_canvas_view()->tables_are_visible();
- //if(prev_table_status)get_canvas_view()->hide_tables();
-
- // Disable the time bar
- //get_canvas_view()->set_sensitive_timebar(false);
-
- // Connect a signal
- //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateWidth_Context::on_user_click));
-
- App::toolbox->refresh();
-}
-
-void
-StateWidth_Context::refresh_tool_options()
-{
- App::dialog_tool_options->clear();
- App::dialog_tool_options->set_widget(options_table);
- App::dialog_tool_options->set_local_name(_("Width Tool"));
- App::dialog_tool_options->set_name("width");
-}
-
-Smach::event_result
-StateWidth_Context::event_refresh_tool_options(const Smach::event& /*x*/)
-{
- refresh_tool_options();
- return Smach::RESULT_ACCEPT;
-}
-
-StateWidth_Context::~StateWidth_Context()
-{
- save_settings();
-
- //remove ducks if need be
- if(added)
- {
- get_work_area()->erase_duck(center);
- get_work_area()->erase_duck(radius);
- get_work_area()->erase_duck(closestpoint);
- added = false;
- }
-
- // Restore Duck clicking
- get_work_area()->set_allow_duck_clicks(prev_workarea_duck_clicking);
-
- // Restore layer clicking
- get_work_area()->set_allow_layer_clicks(prev_workarea_layer_clicking);
-
- // Restore the mouse pointer
- get_work_area()->reset_cursor();
-
- // Restore duck masking
- get_work_area()->set_type_mask(old_duckmask);
-
- // Tool options be rid of ye!!
- App::dialog_tool_options->clear();
-
- // Enable the time bar
- //get_canvas_view()->set_sensitive_timebar(true);
-
- // Bring back the tables if they were out before
- //if(prev_table_status)get_canvas_view()->show_tables();
-
- // Refresh the work area
- get_work_area()->queue_draw();
-
- App::toolbox->refresh();
-}
-
-Smach::event_result
-StateWidth_Context::event_stop_handler(const Smach::event& /*x*/)
-{
- throw Smach::egress_exception();
-}
-
-Smach::event_result
-StateWidth_Context::event_refresh_handler(const Smach::event& /*x*/)
-{
- refresh_ducks();
- return Smach::RESULT_ACCEPT;
-}
-
-void
-StateWidth_Context::AdjustWidth(handle<Duckmatic::Bezier> c, float t, Real mult, bool invert)
-{
- //Leave the function if there is no curve
- if(!c)return;
-
- Real amount1=0,amount2=0;
-
- //decide how much to change each width
- /*
- t \in [0,1]
-
- both pressure and multiply amount are in mult
- (may want to change this to allow different types of falloff)
-
- rsq is the squared distance from the point on the curve (also part of the falloff)
-
-
- */
- //may want to provide a different falloff function...
- if(t <= 0.2)
- amount1 = mult;
- else if(t >= 0.8)
- amount2 = mult;
- else
- {
- t = (t-0.2)/0.6;
- amount1 = (1-t)*mult;
- amount2 = t*mult;
- }
-
- if(invert)
- {
- amount1 *= -1;
- amount2 *= -1;
- }
-
- handle<Duck> p1 = c->p1;
- handle<Duck> p2 = c->p2;
-
- handle<Duck> w1,w2;
-
- //find w1,w2
- {
- const DuckList dl = get_work_area()->get_duck_list();
-
- DuckList::const_iterator i = dl.begin();
-
- for(;i != dl.end(); ++i)
- {
- if((*i)->get_type() == Duck::TYPE_WIDTH)
- {
- if((*i)->get_origin_duck() == p1)
- {
- w1 = *i;
- }
-
- if((*i)->get_origin_duck() == p2)
- {
- w2 = *i;
- }
- }
- }
- }
-
- if(amount1 != 0 && w1)
- {
- Real width = w1->get_point().mag();
-
- width += amount1;
- w1->set_point(Vector(width,0));
-
- //log in the list of changes...
- //to truly be changed after everything is said and done
- changetable[w1] = width;
- }
-
- if(amount2 != 0 && w2)
- {
- Real width = w2->get_point().mag();
-
- width += amount2;
- w2->set_point(Vector(width,0));
-
- //log in the list of changes...
- //to truly be changed after everything is said and done
- changetable[w2] = width;
- }
-}
-
-Smach::event_result
-StateWidth_Context::event_mouse_handler(const Smach::event& x)
-{
- const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
-
- //handle the click
- if( (event.key == EVENT_WORKAREA_MOUSE_BUTTON_DOWN || event.key == EVENT_WORKAREA_MOUSE_BUTTON_DRAG)
- && event.button == BUTTON_LEFT )
- {
- const Real pw = get_work_area()->get_pw();
- const Real ph = get_work_area()->get_ph();
- const Real scale = sqrt(pw*pw+ph*ph);
- const Real rad = get_relative() ? scale * get_radius() : get_radius();
-
- bool invert = (event.modifier&Gdk::CONTROL_MASK);
-
- const Real threshold = 0.08;
-
- float t = 0;
- Real rsq = 0;
-
- Real dtime = 1/60.0;
-
- //if we're dragging get the difference in time between now and then
- if(event.key == EVENT_WORKAREA_MOUSE_BUTTON_DRAG)
- {
- dtime = min(1/15.0,clocktime());
- }
- clocktime.reset();
-
- //make way for new ducks
- //get_work_area()->clear_ducks();
-
- //update positions
- //mouse_pos = event.pos;
-
- center->set_point(event.pos);
- if(!added)get_work_area()->add_duck(center);
-
- radius->set_scalar(rad);
- if(!added)get_work_area()->add_duck(radius);
-
- //the other duck is at the current duck
- closestpoint->set_point(event.pos);
- if(!added)get_work_area()->add_duck(closestpoint);
-
- //get the closest curve...
- handle<Duckmatic::Bezier> c;
- if(event.pressure >= threshold)
- c = get_work_area()->find_bezier(event.pos,scale*8,rad,&t);
-
- //run algorithm on event.pos to get 2nd placement
- if(!c.empty())
- {
- bezier<Point> curve;
- Point p;
-
- curve[0] = c->p1->get_trans_point();
- curve[1] = c->c1->get_trans_point();
- curve[2] = c->c2->get_trans_point();
- curve[3] = c->p2->get_trans_point();
-
- p = curve(t);
- rsq = (p-event.pos).mag_squared();
-
- const Real r = rad*rad;
-
- if(rsq < r)
- {
- closestpoint->set_point(curve(t));
-
- //adjust the width...
- //squared falloff for radius... [0,1]
-
- Real ri = (r - rsq)/r;
- AdjustWidth(c,t,ri*event.pressure*get_delta()*dtime,invert);
- }
- }
-
- //the points have been added
- added = true;
-
- //draw where it is yo!
- get_work_area()->queue_draw();
-
- return Smach::RESULT_ACCEPT;
- }
-
- if(event.key == EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button == BUTTON_LEFT)
- {
- if(added)
- {
- get_work_area()->erase_duck(center);
- get_work_area()->erase_duck(radius);
- get_work_area()->erase_duck(closestpoint);
- added = false;
- }
-
- //Affect the width changes here...
- map<handle<Duck>,Real>::iterator i = changetable.begin();
-
- synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("Sketch Width"));
- for(; i != changetable.end(); ++i)
- {
- //for each duck modify IT!!!
- ValueDesc desc = i->first->get_value_desc();
-
- if( desc.get_value_type() == ValueBase::TYPE_REAL )
- {
- Action::Handle action(Action::create("ValueDescSet"));
- assert(action);
-
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
-
- action->set_param("value_desc",desc);
- action->set_param("new_value",ValueBase(i->second));
- action->set_param("time",get_canvas_view()->get_time());
-
- if(!action->is_ready() || !get_canvas_view()->get_instance()->perform_action(action))
- {
- group.cancel();
- synfig::warning("Changing the width action has failed");
- return Smach::RESULT_ERROR;
- }
- }
- }
-
- changetable.clear();
-
- get_work_area()->queue_draw();
-
- return Smach::RESULT_ACCEPT;
- }
-
- return Smach::RESULT_OK;
-}
-
-
-void
-StateWidth_Context::refresh_ducks()
-{
- get_work_area()->clear_ducks();
- get_work_area()->queue_draw();
-}
projects / synfig.git / blobdiff