-/* === S Y N F I G ========================================================= */
-/*! \file rotoscope_bline.cpp
-** \brief Template File
-**
-** $Id: state_bline.cpp,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** 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 "state_bline.h"
-#include "canvasview.h"
-#include "workarea.h"
-#include "app.h"
-#include <synfig/valuenode_bline.h>
-#include <ETL/hermite>
-#include <ETL/calculus>
-#include <utility>
-#include "event_mouse.h"
-#include "event_layerclick.h"
-#include "toolbox.h"
-#include "dialog_tooloptions.h"
-#include <gtkmm/spinbutton.h>
-#include <synfig/transform.h>
-#include <synfigapp/main.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 ======================================================= */
-
-StateBLine studio::state_bline;
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-class studio::StateBLine_Context : public sigc::trackable
-{
- etl::handle<CanvasView> canvas_view_;
- CanvasView::IsWorking is_working;
-
- bool prev_table_status;
- bool loop_;
- bool prev_workarea_layer_status_;
-
- int depth;
- Canvas::Handle canvas;
-
- Gtk::Menu menu;
-
- Duckmatic::Push duckmatic_push;
-
- etl::handle<Duck> curr_duck;
-
- etl::handle<Duck> next_duck;
-
- std::list<synfig::ValueNode_Const::Handle> bline_point_list;
- synfigapp::Settings& settings;
-
- bool on_vertex_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
- bool on_tangent1_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
- bool on_tangent2_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node);
-
-
- void popup_handle_menu(synfig::ValueNode_Const::Handle value_node);
- void popup_vertex_menu(synfig::ValueNode_Const::Handle value_node);
- void popup_bezier_menu(float location, synfig::ValueNode_Const::Handle value_node);
-
- void bline_detach_handle(synfig::ValueNode_Const::Handle value_node);
- void bline_attach_handle(synfig::ValueNode_Const::Handle value_node);
- void bline_delete_vertex(synfig::ValueNode_Const::Handle value_node);
- void bline_insert_vertex(synfig::ValueNode_Const::Handle value_node,float origin=0.5);
- void loop_bline();
-
- void refresh_ducks(bool x=true);
-
- Gtk::Table options_table;
- Gtk::Entry entry_id;
- Gtk::CheckButton checkbutton_layer_region;
- Gtk::CheckButton checkbutton_layer_bline;
- Gtk::CheckButton checkbutton_layer_curve_gradient;
- Gtk::CheckButton checkbutton_auto_export;
- Gtk::Button button_make;
- Gtk::Button button_clear;
- Gtk::Adjustment adj_feather;
- Gtk::SpinButton spin_feather;
-
-
-
-public:
-
- int layers_to_create()const
- {
- return
- get_layer_region_flag()+
- get_layer_bline_flag()+
- get_layer_curve_gradient_flag();
- }
-
- void sanity_check()
- {
- if(layers_to_create()==0)
- set_layer_region_flag(true);
- }
-
- bool get_auto_export_flag()const { return checkbutton_auto_export.get_active(); }
- void set_auto_export_flag(bool x) { return checkbutton_auto_export.set_active(x); }
-
- bool get_layer_region_flag()const { return checkbutton_layer_region.get_active(); }
- void set_layer_region_flag(bool x) { return checkbutton_layer_region.set_active(x); }
-
- bool get_layer_bline_flag()const { return checkbutton_layer_bline.get_active(); }
- void set_layer_bline_flag(bool x) { return checkbutton_layer_bline.set_active(x); }
-
- bool get_layer_curve_gradient_flag()const { return checkbutton_layer_curve_gradient.get_active(); }
- void set_layer_curve_gradient_flag(bool x) { return checkbutton_layer_curve_gradient.set_active(x); }
-
- Real get_feather() const { return adj_feather.get_value(); }
- void set_feather(Real x) { return adj_feather.set_value(x); }
- synfig::String get_id()const { return entry_id.get_text(); }
- void set_id(const synfig::String& x) { return entry_id.set_text(x); }
-
- 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_click_handler(const Smach::event& x);
- Smach::event_result event_mouse_release_handler(const Smach::event& x);
- Smach::event_result event_mouse_motion_handler(const Smach::event& x);
- Smach::event_result event_refresh_tool_options(const Smach::event& x);
-
- Smach::event_result event_hijack(const Smach::event& x) { return Smach::RESULT_ACCEPT; }
-
- void refresh_tool_options();
-
- StateBLine_Context(CanvasView* canvas_view);
-
- ~StateBLine_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();}
- const synfig::TransformStack& get_transform_stack()const { return canvas_view_->get_curr_transform_stack(); }
-
- void load_settings();
- void save_settings();
- void reset();
- void increment_id();
- //void on_user_click(synfig::Point point);
-
- bool run_();
- bool run();
-
- bool no_egress_on_selection_change;
- Smach::event_result event_layer_selection_changed_handler(const Smach::event& x)
- {
- if(!no_egress_on_selection_change)
- throw Smach::egress_exception();
- return Smach::RESULT_OK;
- }
-
-}; // END of class StateBLine_Context
-
-
-/* === M E T H O D S ======================================================= */
-
-StateBLine::StateBLine():
- Smach::state<StateBLine_Context>("bline")
-{
- insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateBLine_Context::event_layer_selection_changed_handler));
- insert(event_def(EVENT_STOP,&StateBLine_Context::event_stop_handler));
- insert(event_def(EVENT_REFRESH,&StateBLine_Context::event_refresh_handler));
- insert(event_def(EVENT_REFRESH_DUCKS,&StateBLine_Context::event_hijack));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateBLine_Context::event_mouse_click_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateBLine_Context::event_mouse_release_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_MOTION,&StateBLine_Context::event_mouse_motion_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateBLine_Context::event_mouse_motion_handler));
- insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateBLine_Context::event_refresh_tool_options));
-}
-
-StateBLine::~StateBLine()
-{
-}
-
-void
-StateBLine_Context::load_settings()
-{
- String value;
-
- if(settings.get_value("bline.layer_region",value) && value=="0")
- set_layer_region_flag(false);
- else
- set_layer_region_flag(true);
-
- if(settings.get_value("bline.layer_bline",value) && value=="0")
- set_layer_bline_flag(false);
- else
- set_layer_bline_flag(true);
-
- if(settings.get_value("bline.layer_curve_gradient",value) && value=="1")
- set_layer_curve_gradient_flag(true);
- else
- set_layer_curve_gradient_flag(false);
-
- if(settings.get_value("bline.auto_export",value) && value=="1")
- set_auto_export_flag(true);
- else
- set_auto_export_flag(false);
-
- if(settings.get_value("bline.id",value))
- set_id(value);
- else
- set_id("NewBLine");
-
- if(settings.get_value("bline.feather",value))
- {
- Real n = atof(value.c_str());
- set_feather(n);
- }
-
- sanity_check();
-}
-
-void
-StateBLine_Context::save_settings()
-{
- sanity_check();
- settings.set_value("bline.layer_bline",get_layer_bline_flag()?"1":"0");
- settings.set_value("bline.layer_region",get_layer_region_flag()?"1":"0");
- settings.set_value("bline.layer_curve_gradient",get_layer_curve_gradient_flag()?"1":"0");
- settings.set_value("bline.auto_export",get_auto_export_flag()?"1":"0");
- settings.set_value("bline.id",get_id().c_str());
- settings.set_value("bline.feather",strprintf("%f",get_feather()));
-}
-
-void
-StateBLine_Context::reset()
-{
- loop_=false;
- bline_point_list.clear();
- refresh_ducks();
-}
-
-void
-StateBLine_Context::increment_id()
-{
- String id(get_id());
- int number=1;
- int digits=0;
-
- if(id.empty())
- id="NewBLine";
-
- // If there is a number
- // already at the end of the
- // id, then remove it.
- if(id[id.size()-1]<='9' && id[id.size()-1]>='0')
- {
- // figure out how many digits it is
- for(digits=0;(int)id.size()-1>=digits && id[id.size()-1-digits]<='9' && id[id.size()-1-digits]>='0';digits++)while(false);
-
- String str_number;
- str_number=String(id,id.size()-digits,id.size());
- id=String(id,0,id.size()-digits);
- synfig::info("---------------- \"%s\"",str_number.c_str());
-
- number=atoi(str_number.c_str());
- }
- else
- {
- number=1;
- digits=3;
- }
-
- number++;
-
- // Add the number back onto the id
- {
- const String format(strprintf("%%0%dd",digits));
- id+=strprintf(format.c_str(),number);
- }
-
- // Set the ID
- set_id(id);
-}
-
-
-StateBLine_Context::StateBLine_Context(CanvasView* canvas_view):
- canvas_view_(canvas_view),
- is_working(*canvas_view),
- loop_(false),
- prev_workarea_layer_status_(get_work_area()->allow_layer_clicks),
- duckmatic_push(get_work_area()),
- settings(synfigapp::Main::get_selected_input_device()->settings()),
- entry_id(),
- checkbutton_layer_region(_("Fill")),
- checkbutton_layer_bline(_("Outline")),
- checkbutton_layer_curve_gradient(_("Gradient")),
- checkbutton_auto_export(_("Auto Export")),
- button_make(_("Make")),
- button_clear(_("Clear")),
- adj_feather(0,0,10000,0.01,0.1),
- spin_feather(adj_feather,0.01,4)
-{
- depth=-1;
- no_egress_on_selection_change=false;
- load_settings();
-
- // Set up the tool options dialog
- //options_table.attach(*manage(new Gtk::Label(_("BLine Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(checkbutton_layer_region, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(checkbutton_layer_bline, 0, 2, 3, 4, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(checkbutton_layer_curve_gradient, 0, 2, 4, 5, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(*manage(new Gtk::Label(_("Feather"))), 0, 1, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(spin_feather, 1, 2, 10, 11, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(checkbutton_auto_export, 0, 2, 11, 12, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- //options_table.attach(button_make, 0, 2, 5, 6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- //button_make.signal_pressed().connect(sigc::mem_fun(*this,&StateBLine_Context::run));
- options_table.show_all();
- refresh_tool_options();
- App::dialog_tool_options->present();
-
- // Turn off layer clicking
- get_work_area()->allow_layer_clicks=false;
-
- // clear out the ducks
- get_work_area()->clear_ducks();
-
- // Refresh the work area
- get_work_area()->queue_draw();
-
- // 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();
-
- // Hide the time bar
- get_canvas_view()->hide_timebar();
-
- // Connect a signal
- //get_work_area()->signal_user_click().connect(sigc::mem_fun(*this,&studio::StateBLine_Context::on_user_click));
- get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
-
- App::toolbox->refresh();
-}
-
-void
-StateBLine_Context::refresh_tool_options()
-{
- App::dialog_tool_options->clear();
- App::dialog_tool_options->set_widget(options_table);
- App::dialog_tool_options->set_local_name(_("BLine Tool"));
- App::dialog_tool_options->set_name("bline");
-
- App::dialog_tool_options->add_button(
- Gtk::StockID("gtk-execute"),
- _("Make BLine and/or Region")
- )->signal_clicked().connect(
- sigc::hide_return(sigc::mem_fun(
- *this,
- &StateBLine_Context::run
- ))
- );
-
- App::dialog_tool_options->add_button(
- Gtk::StockID("gtk-clear"),
- _("Clear current BLine")
- )->signal_clicked().connect(
- sigc::mem_fun(
- *this,
- &StateBLine_Context::reset
- )
- );
-}
-
-Smach::event_result
-StateBLine_Context::event_refresh_tool_options(const Smach::event& x)
-{
- refresh_tool_options();
- return Smach::RESULT_ACCEPT;
-}
-
-StateBLine_Context::~StateBLine_Context()
-{
- run();
-
- save_settings();
- App::dialog_tool_options->clear();
-
- get_canvas_view()->work_area->reset_cursor();
-
- // Restore layer clicking
- get_work_area()->allow_layer_clicks=prev_workarea_layer_status_;
-
- // Show the time bar
- if(get_canvas_view()->get_canvas()->rend_desc().get_time_start()!=get_canvas_view()->get_canvas()->rend_desc().get_time_end())
- get_canvas_view()->show_timebar();
-
- // Bring back the tables if they were out before
- if(prev_table_status)get_canvas_view()->show_tables();
-
-// get_canvas_view()->get_smach().process_event(EVENT_REFRESH_DUCKS);
-
- // Refresh the work area
- get_work_area()->queue_draw();
-
- App::toolbox->refresh();
-}
-
-Smach::event_result
-StateBLine_Context::event_stop_handler(const Smach::event& x)
-{
- synfig::info("STATE RotoBLine: Received Stop Event");
-// run();
- reset();
-// throw Smach::egress_exception();
-// get_canvas_view()->get_smach().pop_state();
- return Smach::RESULT_ACCEPT;
-}
-
-Smach::event_result
-StateBLine_Context::event_refresh_handler(const Smach::event& x)
-{
- synfig::info("STATE RotoBLine: Received Refresh Event");
- refresh_ducks();
- return Smach::RESULT_ACCEPT;
-}
-
-bool
-StateBLine_Context::run()
-{
- sanity_check();
-
- String err;
- bool success(false);
- for(int i=5;i>0 && !success;i--)try
- {
- success=run_();
- }
- catch(String s)
- {
- err=s;
- }
- if(!success && !err.empty())
- {
- get_canvas_view()->get_ui_interface()->error(err);
- }
- return success;
-}
-
-bool
-StateBLine_Context::run_()
-{
- curr_duck=0;
- next_duck=0;
-
- // Now we need to generate it
-
- if(bline_point_list.empty())
- {
- return false;
- }
- if(bline_point_list.size()<2)
- {
- //get_canvas_view()->get_ui_interface()->error(_("You need at least two (2) points to create a BLine"));
- return false;
- }
-
- do
- {
-
- // Create the action group
- synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New BLine"));
-
- std::vector<BLinePoint> new_list;
- std::list<synfig::ValueNode_Const::Handle>::iterator iter;
- const synfig::TransformStack& transform(get_transform_stack());
-
- for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
- {
- BLinePoint bline_point((*iter)->get_value().get(BLinePoint()));
- Point new_vertex(transform.unperform(bline_point.get_vertex()));
-
- bline_point.set_tangent1(
- transform.unperform(
- bline_point.get_tangent1()+bline_point.get_vertex()
- ) -new_vertex
- );
-
- bline_point.set_tangent2(
- transform.unperform(
- bline_point.get_tangent2()+bline_point.get_vertex()
- ) -new_vertex
- );
-
- bline_point.set_vertex(new_vertex);
-
- new_list.push_back(bline_point);
- }
-
- ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
-
- assert(value_node_bline);
-
- // Set the looping flag
- value_node_bline->set_loop(loop_);
-
- // Add the BLine to the canvas
- if(get_auto_export_flag() && !get_canvas_interface()->add_value_node(value_node_bline,get_id()))
- {
- //get_canvas_view()->get_ui_interface()->error(_("Unable to add value node"));
- group.cancel();
- increment_id();
- throw String(_("Unable to add value node"));
- return false;
- }
-
- Layer::Handle layer;
-
- // we are temporarily using the layer to hold something
- layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
-
- if(layer)
- {
- if(depth<0)
- depth=layer->get_depth();
- if(!canvas)
- canvas=layer->get_canvas();
- }
- else
- depth=0;
-
- if(!canvas)
- canvas=get_canvas_view()->get_canvas();
-
- synfigapp::SelectionManager::LayerList layer_selection;
-
- // If we were asked to create a region layer, go ahead and do so
- if(get_layer_region_flag())
- {
- synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
- Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
- layer_selection.push_back(layer);
- assert(layer);
- layer->set_description(get_id()+_(" Region"));
- get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
- if(get_feather())
- {
- layer->set_param("feather",get_feather());
- get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
- }
-
- if(get_layer_bline_flag())
- layer->set_param("color",synfigapp::Main::get_background_color());
-
- synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
-
- assert(action);
-
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
- action->set_param("layer",layer);
- if(!action->set_param("param",String("bline")))
- synfig::error("LayerParamConnect didn't like \"param\"");
- if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
- synfig::error("LayerParamConnect didn't like \"value_node\"");
-
- if(!get_canvas_interface()->get_instance()->perform_action(action))
- {
- //get_canvas_view()->get_ui_interface()->error(_("Unable to create Region layer"));
- group.cancel();
- throw String(_("Unable to create Region layer"));
- return false;
- }
- }
-
- // If we were asked to create a BLine layer, go ahead and do so
- if(get_layer_bline_flag())
- {
- synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
- Layer::Handle layer(get_canvas_interface()->add_layer_to("outline",canvas,depth));
- layer_selection.push_back(layer);
- layer->set_description(get_id()+_(" Outline"));
- get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
- if(get_feather())
- {
- layer->set_param("feather",get_feather());
- get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
- }
-
- assert(layer);
-
-
- synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
-
- assert(action);
-
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
- action->set_param("layer",layer);
- if(!action->set_param("param",String("bline")))
- synfig::error("LayerParamConnect didn't like \"param\"");
- if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
- synfig::error("LayerParamConnect didn't like \"value_node\"");
-
- if(!get_canvas_interface()->get_instance()->perform_action(action))
- {
- //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
- group.cancel();
- throw String(_("Unable to create Outline layer"));
- return false;
- }
-
- /*if(get_layer_region_flag() && !get_auto_export_flag())
- {
- get_canvas_interface()->auto_export(synfigapp::ValueDesc(layer,"bline"));
- }*/
- }
-
-
-
- // If we were asked to create a CurveGradient layer, go ahead and do so
- if(get_layer_curve_gradient_flag())
- {
- synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
- Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
- layer_selection.push_back(layer);
- layer->set_description(get_id()+_(" Gradient"));
- get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
- assert(layer);
-
-
- synfigapp::Action::Handle action(synfigapp::Action::create("layer_param_connect"));
-
- assert(action);
-
- action->set_param("canvas",get_canvas());
- action->set_param("canvas_interface",get_canvas_interface());
- action->set_param("layer",layer);
- if(!action->set_param("param",String("bline")))
- synfig::error("LayerParamConnect didn't like \"param\"");
- if(!action->set_param("value_node",ValueNode::Handle(value_node_bline)))
- synfig::error("LayerParamConnect didn't like \"value_node\"");
-
- if(!get_canvas_interface()->get_instance()->perform_action(action))
- {
- //get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
- group.cancel();
- throw String(_("Unable to create Gradient layer"));
- return false;
- }
-
- /*if(get_layer_region_flag() && !get_auto_export_flag())
- {
- get_canvas_interface()->auto_export(synfigapp::ValueDesc(layer,"bline"));
- }*/
- }
-
- no_egress_on_selection_change=true;
- get_canvas_interface()->get_selection_manager()->clear_selected_layers();
- get_canvas_interface()->get_selection_manager()->set_selected_layers(layer_selection);
- no_egress_on_selection_change=false;
-
- //if(finish_bline_dialog.get_region_flag() || finish_bline_dialog.get_bline_flag())
- // get_canvas_interface()->signal_dirty_preview()();
-
- } while(0);
-
- reset();
- increment_id();
- return true;
-}
-
-Smach::event_result
-StateBLine_Context::event_mouse_motion_handler(const Smach::event& x)
-{
- const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
-
- if(curr_duck)
- {
- //synfig::info("Moved Duck");
- Point p(get_work_area()->snap_point_to_grid(event.pos));
- curr_duck->set_trans_point(p);
- if(next_duck)
- next_duck->set_trans_point(p);
- get_work_area()->queue_draw();
- return Smach::RESULT_ACCEPT;
- }
-
- return Smach::RESULT_OK;
-}
-
-Smach::event_result
-StateBLine_Context::event_mouse_release_handler(const Smach::event& x)
-{
- if(curr_duck)
- {
- //synfig::info("Released current duck");
- curr_duck->signal_edited()(curr_duck->get_point());
- if(next_duck)
- {
- //synfig::info("grabbing next duck");
- curr_duck=next_duck;
- next_duck=0;
- }
- return Smach::RESULT_ACCEPT;
- }
- return Smach::RESULT_OK;
-}
-
-Smach::event_result
-StateBLine_Context::event_mouse_click_handler(const Smach::event& x)
-{
- synfig::info("STATE BLINE: Received mouse button down Event");
- const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
- switch(event.button)
- {
- case BUTTON_LEFT:
- {
- // If we are already looped up, then don't try to add anything else
- if(loop_)
- return Smach::RESULT_OK;
-
- BLinePoint bline_point;
-
- bline_point.set_vertex(get_work_area()->snap_point_to_grid(event.pos));
- //bline_point.set_width(synfigapp::Main::get_bline_width());
- bline_point.set_width(1.0f);
- bline_point.set_origin(0.5f);
- bline_point.set_split_tangent_flag(false);
- bline_point.set_tangent1(Vector(0,0));
-
- // set the tangent
- /*
- if(bline_point_list.empty())
- {
- bline_point.set_tangent1(Vector(1,1));
- }
- else
- {
- const Vector t(event.pos-bline_point_list.back()->get_value().get(BLinePoint()).get_vertex());
- bline_point.set_tangent1(t);
- }
-
- if(bline_point_list.size()>1)
- {
- std::list<synfig::ValueNode_Const::Handle>::iterator iter;
- iter=bline_point_list.end();
- iter--;iter--;
- BLinePoint prev(bline_point_list.back()->get_value().get(BLinePoint()));
- prev.set_tangent1(event.pos-(*iter)->get_value().get(BLinePoint()).get_vertex());
- bline_point_list.back()->set_value(prev);
- };
- */
-
- bline_point_list.push_back(ValueNode_Const::create(bline_point));
-
- refresh_ducks();
- return Smach::RESULT_ACCEPT;
- }
-
- case BUTTON_RIGHT: // Intercept the right-button click to short-circut the pop-up menu
- return Smach::RESULT_ACCEPT;
-
- default:
- return Smach::RESULT_OK;
- }
-}
-
-void
-StateBLine_Context::refresh_ducks(bool button_down)
-{
- get_work_area()->clear_ducks();
- get_work_area()->queue_draw();
-
- if(bline_point_list.empty())
- return;
-
- list<ValueNode_Const::Handle>::iterator iter;
-
- handle<WorkArea::Bezier> bezier;
- handle<WorkArea::Duck> duck,tduck;
- BLinePoint bline_point;
-
- for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
- {
- ValueNode_Const::Handle value_node(*iter);
- bline_point=(value_node->get_value().get(BLinePoint()));
- assert(value_node);
-
-
- // First add the duck associated with this vertex
- duck=new WorkArea::Duck(bline_point.get_vertex());
- duck->set_editable(true);
- duck->set_type(Duck::TYPE_VERTEX);
- duck->set_name(strprintf("%x-vertex",value_node.get()));
- duck->signal_edited().connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_vertex_change),value_node)
- );
- duck->signal_user_click(2).connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_vertex_menu),value_node)
- );
- duck->set_guid(value_node->get_guid()^GUID::hasher(0));
-
- get_work_area()->add_duck(duck);
-
- // Add the tangent1 duck
- tduck=new WorkArea::Duck(bline_point.get_tangent1());
- tduck->set_editable(true);
- tduck->set_name(strprintf("%x-tangent1",value_node.get()));
- tduck->set_origin(duck);
- tduck->set_scalar(-0.33333333333333333);
- tduck->set_tangent(true);
- tduck->set_guid(value_node->get_guid()^GUID::hasher(3));
- tduck->signal_edited().connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),value_node)
- );
- tduck->signal_user_click(2).connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),value_node)
- );
-
- // See if we need to add that duck to the previous bezier
- if(bezier)
- {
- get_work_area()->add_duck(tduck);
- bezier->p2=duck;
- bezier->c2=tduck;
-
- bezier->signal_user_click(2).connect(
- sigc::bind(
- sigc::mem_fun(
- *this,
- &studio::StateBLine_Context::popup_bezier_menu
- ),
- value_node
- )
- );
-
- //get_work_area()->add_duck(bezier->c1);
- //get_work_area()->add_duck(bezier->c2);
- get_work_area()->add_bezier(bezier);
-
- bezier=0;
- }
-
- // Now we see if we need to create a bezier
- list<ValueNode_Const::Handle>::iterator next(iter);
- next++;
-
- // If our next iterator is the end, then we don't need
- // to add a bezier.
- //if(next==bline_point_list.end() && !loop_)
- // continue;
-
- bezier=new WorkArea::Bezier();
-
- // Add the tangent2 duck
- tduck=new WorkArea::Duck(bline_point.get_tangent2());
- tduck->set_editable(true);
- tduck->set_origin(duck);
- tduck->set_scalar(0.33333333333333333);
- tduck->set_tangent(true);
- if(bline_point.get_split_tangent_flag())
- {
- tduck->set_name(strprintf("%x-tangent2",value_node.get()));
- tduck->signal_edited().connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent2_change),value_node)
- );
- }
- else
- {
- tduck->set_name(strprintf("%x-tangent1",value_node.get()));
- tduck->signal_edited().connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),value_node)
- );
- }
- tduck->set_guid(value_node->get_guid()^GUID::hasher(4));
- tduck->signal_user_click(2).connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),value_node)
- );
-
- // Setup the next bezier
- bezier->p1=duck;
- bezier->c1=tduck;
-
- get_work_area()->add_duck(tduck);
- curr_duck=tduck;
- }
-
- // Add the loop, if requested
- if(bezier && loop_)
- {
- curr_duck=0;
- BLinePoint bline_point(bline_point_list.front()->get_value().get(BLinePoint()));
-
- duck=new WorkArea::Duck(bline_point.get_vertex());
- duck->set_editable(true);
- duck->set_name(strprintf("%x-vertex",bline_point_list.front().get()));
- duck->signal_edited().connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_vertex_change),bline_point_list.front())
- );
- duck->signal_user_click(2).connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_vertex_menu),bline_point_list.front())
- );
- get_work_area()->add_duck(duck);
-
- // Add the tangent1 duck
- tduck=new WorkArea::Duck(bline_point.get_tangent1());
- tduck->set_editable(true);
- tduck->set_name(strprintf("%x-tangent1",bline_point_list.front().get()));
- tduck->set_origin(duck);
- tduck->set_scalar(-0.33333333333333333);
- tduck->set_tangent(true);
- tduck->signal_edited().connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::on_tangent1_change),bline_point_list.front())
- );
- tduck->signal_user_click(2).connect(
- sigc::bind(sigc::mem_fun(*this,&studio::StateBLine_Context::popup_handle_menu),bline_point_list.front())
- );
- get_work_area()->add_duck(tduck);
-
- bezier->p2=duck;
- bezier->c2=tduck;
-
- bezier->signal_user_click(2).connect(
- sigc::bind(
- sigc::mem_fun(
- *this,
- &studio::StateBLine_Context::popup_bezier_menu
- ),
- bline_point_list.front()
- )
- );
-
- //get_work_area()->add_duck(bezier->c1);
- get_work_area()->add_bezier(bezier);
- }
- if(bezier && !loop_)
- {
- duck=new WorkArea::Duck(bline_point.get_vertex());
- duck->set_editable(false);
- duck->set_name("temp");
-
- // Add the tangent1 duck
- tduck=new WorkArea::Duck(Vector(0,0));
- tduck->set_editable(false);
- tduck->set_name("ttemp");
- tduck->set_origin(duck);
- tduck->set_scalar(-0.33333333333333333);
-
- tduck->set_tangent(true);
- bezier->p2=duck;
- bezier->c2=tduck;
-
- get_work_area()->add_duck(bezier->p2);
- //get_work_area()->add_duck(bezier->c2);
- get_work_area()->add_bezier(bezier);
-
- duck->set_guid(GUID());
- tduck->set_guid(GUID());
-
- next_duck=duck;
- }
-
- if(!button_down)
- {
- if(curr_duck)
- {
- if(next_duck)
- {
- curr_duck=next_duck;
- next_duck=0;
- }
- }
- }
- get_work_area()->queue_draw();
-}
-
-
-bool
-StateBLine_Context::on_vertex_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
-{
- BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
- bline_point.set_vertex(point);
- value_node->set_value(bline_point);
- //refresh_ducks();
- return true;
-}
-
-bool
-StateBLine_Context::on_tangent1_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
-{
- BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
- bline_point.set_tangent1(point);
- value_node->set_value(bline_point);
- //refresh_ducks();
- return true;
-}
-
-bool
-StateBLine_Context::on_tangent2_change(const synfig::Point &point, synfig::ValueNode_Const::Handle value_node)
-{
- BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
- bline_point.set_tangent2(point);
- value_node->set_value(bline_point);
- //refresh_ducks();
- return true;
-}
-
-void
-StateBLine_Context::loop_bline()
-{
- loop_=true;
-
- refresh_ducks(false);
-}
-
-void
-StateBLine_Context::popup_vertex_menu(synfig::ValueNode_Const::Handle value_node)
-{
- menu.items().clear();
-
- if(!loop_ && value_node==bline_point_list.front())
- {
- menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Loop BLine",
- sigc::mem_fun(*this,&studio::StateBLine_Context::loop_bline)
- ));
- }
-
- menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Delete Vertex",
- sigc::bind(
- sigc::mem_fun(*this,&studio::StateBLine_Context::bline_delete_vertex),
- value_node
- )
- ));
-
- menu.popup(0,0);
-}
-
-void
-StateBLine_Context::popup_bezier_menu(float location, synfig::ValueNode_Const::Handle value_node)
-{
- menu.items().clear();
-
- menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Insert Vertex",
- sigc::bind(
- sigc::bind(
- sigc::mem_fun(*this,&studio::StateBLine_Context::bline_insert_vertex),
- location
- ),
- value_node
- )
- ));
-
- menu.popup(0,0);
-}
-
-void
-StateBLine_Context::bline_insert_vertex(synfig::ValueNode_Const::Handle value_node, float origin)
-{
- list<ValueNode_Const::Handle>::iterator iter;
-
- for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
- if(*iter==value_node)
- {
- list<ValueNode_Const::Handle>::iterator prev(iter);
- --prev;
-
- BLinePoint bline_point;
-
- BLinePoint next_bline_point((*iter)->get_value().get(BLinePoint()));
- BLinePoint prev_bline_point;
-
- if(iter!=bline_point_list.begin())
- {
- prev_bline_point=(*prev)->get_value().get(BLinePoint());
- }
- else
- {
- prev_bline_point.set_vertex(Point(0,0));
- prev_bline_point.set_width(next_bline_point.get_width());
- prev_bline_point.set_origin(0.5);
- prev_bline_point.set_split_tangent_flag(false);
- }
-
- etl::hermite<Vector> curve(prev_bline_point.get_vertex(),next_bline_point.get_vertex(),prev_bline_point.get_tangent2(),next_bline_point.get_tangent1());
- etl::derivative< etl::hermite<Vector> > deriv(curve);
-
- bline_point.set_vertex(curve(origin));
- bline_point.set_width((next_bline_point.get_width()-prev_bline_point.get_width())*origin+prev_bline_point.get_width());
-#ifdef ETL_FIXED_DERIVATIVE
- bline_point.set_tangent1(deriv(origin)*std::min(1.0f-origin,origin));
-#else
- bline_point.set_tangent1(-deriv(origin)*std::min(1.0f-origin,origin));
-#endif
- bline_point.set_tangent2(bline_point.get_tangent1());
- bline_point.set_split_tangent_flag(false);
- bline_point.set_origin(origin);
-
-/*
- bline_point.set_vertex((next_bline_point.get_vertex()+prev_bline_point.get_vertex())*0.5);
- bline_point.set_width((next_bline_point.get_width()+prev_bline_point.get_width())*0.5);
- bline_point.set_origin(origin);
- bline_point.set_split_tangent_flag(false);
- bline_point.set_tangent1((next_bline_point.get_vertex()-prev_bline_point.get_vertex())*0.5);
-*/
-
- bline_point_list.insert(iter,ValueNode_Const::create(bline_point));
- break;
- }
-
- if(iter==bline_point_list.end())
- {
- get_canvas_view()->get_ui_interface()->error("Unable to find where to insert vertex, internal error, please report this bug");
- }
-
- refresh_ducks(false);
-}
-
-void
-StateBLine_Context::bline_delete_vertex(synfig::ValueNode_Const::Handle value_node)
-{
- list<ValueNode_Const::Handle>::iterator iter;
-
- for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
- if(*iter==value_node)
- {
- bline_point_list.erase(iter);
- break;
- }
- if(iter==bline_point_list.end())
- {
- get_canvas_view()->get_ui_interface()->error("Unable to remove vertex, internal error, please report this bug");
- }
-
- refresh_ducks(false);
-}
-
-void
-StateBLine_Context::popup_handle_menu(synfig::ValueNode_Const::Handle value_node)
-{
- menu.items().clear();
-
- BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
-
- if(bline_point.get_split_tangent_flag())
- menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Merge Tangents",
- sigc::bind(
- sigc::mem_fun(*this,&studio::StateBLine_Context::bline_attach_handle),
- value_node
- )
- ));
- else
- menu.items().push_back(Gtk::Menu_Helpers::MenuElem("Split Tangents",
- sigc::bind(
- sigc::mem_fun(*this,&studio::StateBLine_Context::bline_detach_handle),
- value_node
- )
- ));
-
- menu.popup(0,0);
-}
-
-void
-StateBLine_Context::bline_detach_handle(synfig::ValueNode_Const::Handle value_node)
-{
- BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
- bline_point.set_split_tangent_flag(true);
- bline_point.set_tangent2(bline_point.get_tangent1());
- value_node->set_value(bline_point);
- refresh_ducks(false);
-}
-
-void
-StateBLine_Context::bline_attach_handle(synfig::ValueNode_Const::Handle value_node)
-{
- BLinePoint bline_point(value_node->get_value().get(BLinePoint()));
- bline_point.set_tangent1((bline_point.get_tangent1()+bline_point.get_tangent2())*0.5);
- bline_point.set_split_tangent_flag(false);
- value_node->set_value(bline_point);
- refresh_ducks(false);
-}