-/* === S Y N F I G ========================================================= */
-/*! \file state_gradient.cpp
-** \brief Template File
-**
-** $Id: state_gradient.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 <synfigapp/action_system.h>
-
-#include "state_gradient.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 "widget_enum.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 ========================================================= */
-
-enum
-{
- GRADIENT_INTERPOLATION_LINEAR=0,
- GRADIENT_RADIAL=1,
- GRADIENT_CONICAL=2,
- GRADIENT_SPIRAL=3
-};
-
-/* === G L O B A L S ======================================================= */
-
-StateGradient studio::state_gradient;
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-class studio::StateGradient_Context : public sigc::trackable
-{
- etl::handle<CanvasView> canvas_view_;
- CanvasView::IsWorking is_working;
-
- Duckmatic::Push duckmatic_push;
-
- synfigapp::Settings& settings;
-
- Point point_holder;
-
- etl::handle<Duck> point2_duck;
-
- void refresh_ducks();
-
- bool prev_workarea_layer_status_;
-
- Gtk::Table options_table;
- Gtk::Entry entry_id;
- Widget_Enum enum_type;
- Widget_Enum enum_blend;
-
-public:
- synfig::String get_id()const { return entry_id.get_text(); }
- void set_id(const synfig::String& x) { return entry_id.set_text(x); }
-
- int get_type()const { return enum_type.get_value(); }
- void set_type(int x) { return enum_type.set_value(x); }
-
- int get_blend()const { return enum_blend.get_value(); }
- void set_blend(int x) { return enum_blend.set_value(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_refresh_tool_options(const Smach::event& x);
-
- void refresh_tool_options();
-
- StateGradient_Context(CanvasView* canvas_view);
-
- ~StateGradient_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 on_user_click(synfig::Point point);
- void load_settings();
- void save_settings();
- void reset();
- void increment_id();
-
- void make_gradient(const Point& p1, const Point& p2);
- 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 StateGradient_Context
-
-/* === M E T H O D S ======================================================= */
-
-StateGradient::StateGradient():
- Smach::state<StateGradient_Context>("gradient")
-{
- insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateGradient_Context::event_layer_selection_changed_handler));
- insert(event_def(EVENT_STOP,&StateGradient_Context::event_stop_handler));
- insert(event_def(EVENT_TABLES_SHOW,&StateGradient_Context::event_stop_handler));
- insert(event_def(EVENT_REFRESH,&StateGradient_Context::event_refresh_handler));
- insert(event_def(EVENT_REFRESH_DUCKS,&StateGradient_Context::event_refresh_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateGradient_Context::event_mouse_click_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateGradient_Context::event_mouse_click_handler));
- insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateGradient_Context::event_mouse_click_handler));
- insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateGradient_Context::event_refresh_tool_options));
-}
-
-StateGradient::~StateGradient()
-{
-}
-
-void
-StateGradient_Context::load_settings()
-{
- String value;
-
- if(settings.get_value("gradient.id",value))
- set_id(value);
- else
- set_id("Gradient");
-
- if(settings.get_value("gradient.type",value))
- set_type(atoi(value.c_str()));
- else
- set_type(GRADIENT_INTERPOLATION_LINEAR);
-
- if(settings.get_value("gradient.blend",value))
- set_blend(atoi(value.c_str()));
- else
- set_blend(Color::BLEND_COMPOSITE);
-}
-
-void
-StateGradient_Context::save_settings()
-{
- settings.set_value("gradient.id",get_id().c_str());
- settings.set_value("gradient.type",strprintf("%d",get_type()));
- settings.set_value("gradient.blend",strprintf("%d",get_blend()));
-}
-
-void
-StateGradient_Context::reset()
-{
- refresh_ducks();
-}
-
-void
-StateGradient_Context::increment_id()
-{
- String id(get_id());
- int number=1;
- int digits=0;
-
- if(id.empty())
- id="Gradient";
-
- // 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);
-
- 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);
-}
-
-StateGradient_Context::StateGradient_Context(CanvasView* canvas_view):
- canvas_view_(canvas_view),
- is_working(*canvas_view),
- duckmatic_push(get_work_area()),
- settings(synfigapp::Main::get_selected_input_device()->settings()),
- prev_workarea_layer_status_(get_work_area()->allow_layer_clicks),
- entry_id()
-{
- no_egress_on_selection_change=false;
- // Set up the tool options dialog
- ///options_table.attach(*manage(new Gtk::Label(_("Gradient 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);
-
- enum_type.set_param_desc(ParamDesc("type")
- .set_local_name(_("Gradient Type"))
- .set_description(_("Determines the type of Gradient used"))
- .set_hint("enum")
- .add_enum_value(GRADIENT_INTERPOLATION_LINEAR,"linear",_("Linear"))
- .add_enum_value(GRADIENT_RADIAL,"radial",_("Radial"))
- .add_enum_value(GRADIENT_CONICAL,"conical",_("Conical"))
- .add_enum_value(GRADIENT_SPIRAL,"spiral",_("Spiral")));
-
- enum_blend.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
- .set_local_name(_("Blend Method"))
- .set_description(_("The blend method the gradient will use")));
-
- load_settings();
-
- options_table.attach(enum_type, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
- options_table.attach(enum_blend, 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()->allow_layer_clicks=false;
-
- get_canvas_view()->work_area->set_cursor(Gdk::CROSSHAIR);
-
- // clear out the ducks
- get_work_area()->clear_ducks();
-
- // Refresh the work area
- get_work_area()->queue_draw();
-
- get_work_area()->refresh_cursor();
-
- // Hide the tables if they are showing
- 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::StateGradient_Context::on_user_click));
-
- App::toolbox->refresh();
-}
-
-void
-StateGradient_Context::refresh_tool_options()
-{
- App::dialog_tool_options->clear();
- App::dialog_tool_options->set_widget(options_table);
- App::dialog_tool_options->set_local_name(_("Gradient Tool"));
- App::dialog_tool_options->set_name("gradient");
-}
-
-Smach::event_result
-StateGradient_Context::event_refresh_tool_options(const Smach::event& x)
-{
- refresh_tool_options();
- return Smach::RESULT_ACCEPT;
-}
-
-StateGradient_Context::~StateGradient_Context()
-{
- save_settings();
-
- // Restore layer clicking
-// get_work_area()->allow_layer_clicks=prev_workarea_layer_status_;
- get_work_area()->allow_layer_clicks=true;
- get_canvas_view()->work_area->reset_cursor();
-
- App::dialog_tool_options->clear();
-
- // 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();
-
- // Refresh the work area
- get_work_area()->queue_draw();
-
- //get_canvas_view()->show_tables();
-
- get_work_area()->refresh_cursor();
-
- App::toolbox->refresh();
-}
-
-Smach::event_result
-StateGradient_Context::event_stop_handler(const Smach::event& x)
-{
- throw Smach::egress_exception();
-}
-
-Smach::event_result
-StateGradient_Context::event_refresh_handler(const Smach::event& x)
-{
- refresh_ducks();
- return Smach::RESULT_ACCEPT;
-}
-
-void
-StateGradient_Context::make_gradient(const Point& _p1, const Point& _p2)
-{
- synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Gradient"));
- synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
-
- Layer::Handle layer;
-
- Canvas::Handle canvas(get_canvas_view()->get_canvas());
- int depth(0);
-
- // we are temporarily using the layer to hold something
- layer=get_canvas_view()->get_selection_manager()->get_selected_layer();
- if(layer)
- {
- depth=layer->get_depth();
- canvas=layer->get_canvas();
- }
- const synfig::TransformStack& transform(get_canvas_view()->get_curr_transform_stack());
- const Point p1(transform.unperform(_p1));
- const Point p2(transform.unperform(_p2));
-
- switch(get_type())
- {
- case GRADIENT_INTERPOLATION_LINEAR:
-
- layer=get_canvas_interface()->add_layer_to("linear_gradient",canvas,depth);
- layer->set_param("p1",p1);
- get_canvas_interface()->signal_layer_param_changed()(layer,"p1");
- layer->set_param("p2",p2);
- get_canvas_interface()->signal_layer_param_changed()(layer,"p2");
- break;
- case GRADIENT_RADIAL:
- layer=get_canvas_interface()->add_layer_to("radial_gradient",canvas,depth);
- layer->set_param("center",p1);
- get_canvas_interface()->signal_layer_param_changed()(layer,"center");
- layer->set_param("radius",(p2-p1).mag());
- get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
- break;
- case GRADIENT_CONICAL:
- layer=get_canvas_interface()->add_layer_to("conical_gradient",canvas,depth);
- layer->set_param("center",p1);
- get_canvas_interface()->signal_layer_param_changed()(layer,"center");
- {
- Vector diff(p2-p1);
- layer->set_param("angle",Angle::tan(diff[1],diff[0]));
- get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
- }
- break;
- case GRADIENT_SPIRAL:
- layer=get_canvas_interface()->add_layer_to("spiral_gradient",canvas,depth);
- layer->set_param("center",p1);
- get_canvas_interface()->signal_layer_param_changed()(layer,"center");
- layer->set_param("radius",(p2-p1).mag());
- get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
- {
- Vector diff(p2-p1);
- layer->set_param("angle",Angle::tan(diff[1],diff[0]));
- get_canvas_interface()->signal_layer_param_changed()(layer,"angle");
- }
- break;
-
- default:
- return;
- }
-
- layer->set_param("blend_method",get_blend());
- get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
-
- layer->set_description(get_id());
- get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
-
- no_egress_on_selection_change=true;
- get_canvas_interface()->get_selection_manager()->clear_selected_layers();
- get_canvas_interface()->get_selection_manager()->set_selected_layer(layer);
- no_egress_on_selection_change=false;
-
- reset();
- increment_id();
-}
-
-Smach::event_result
-StateGradient_Context::event_mouse_click_handler(const Smach::event& x)
-{
- const EventMouse& event(*reinterpret_cast<const EventMouse*>(&x));
-
- if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DOWN && event.button==BUTTON_LEFT)
- {
- point_holder=get_work_area()->snap_point_to_grid(event.pos);
- etl::handle<Duck> duck=new Duck();
- duck->set_point(point_holder);
- duck->set_name("p1");
- duck->set_type(Duck::TYPE_POSITION);
- get_work_area()->add_duck(duck);
-
- point2_duck=new Duck();
- point2_duck->set_point(point_holder);
- point2_duck->set_name("p2");
- point2_duck->set_type(Duck::TYPE_POSITION);
- get_work_area()->add_duck(point2_duck);
-
- handle<Duckmatic::Bezier> bezier(new Duckmatic::Bezier());
- bezier->p1=bezier->c1=duck;
- bezier->p2=bezier->c2=point2_duck;
- get_work_area()->add_bezier(bezier);
-
- return Smach::RESULT_ACCEPT;
- }
-
- if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_DRAG && event.button==BUTTON_LEFT)
- {
- point2_duck->set_point(get_work_area()->snap_point_to_grid(event.pos));
- get_work_area()->queue_draw();
- return Smach::RESULT_ACCEPT;
- }
-
- if(event.key==EVENT_WORKAREA_MOUSE_BUTTON_UP && event.button==BUTTON_LEFT)
- {
- make_gradient(point_holder, get_work_area()->snap_point_to_grid(event.pos));
- get_work_area()->clear_ducks();
- return Smach::RESULT_ACCEPT;
- }
-
- return Smach::RESULT_OK;
-}
-
-
-void
-StateGradient_Context::refresh_ducks()
-{
- get_work_area()->clear_ducks();
- get_work_area()->queue_draw();
-}