--- /dev/null
+/* === 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();
+}