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state_circle.cpp
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state_circle.cpp
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/* === S Y N F I G ========================================================= */
/*! \file state_circle.cpp
** \brief Template File
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2008 Chris Moore
**
** This file is part of Synfig.
**
** Synfig 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.
**
** Synfig 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.
**
** You should have received a copy of the GNU General Public License
** along with Synfig. If not, see <https://www.gnu.org/licenses/>.
** \endlegal
*/
/* ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <gui/states/state_circle.h>
#include <gtkmm/alignment.h>
#include <gui/app.h>
#include <gui/canvasview.h>
#include <gui/docks/dialog_tooloptions.h>
#include <gui/docks/dock_toolbox.h>
#include <gui/event_mouse.h>
#include <gui/localization.h>
#include <gui/states/state_normal.h>
#include <gui/widgets/widget_enum.h>
#include <gui/widgets/widget_distance.h>
#include <gui/workarea.h>
#include <synfig/general.h>
#include <synfig/valuenodes/valuenode_bline.h>
#include <synfigapp/main.h>
#endif
/* === U S I N G =========================================================== */
using namespace etl;
using namespace synfig;
using namespace studio;
/* === M A C R O S ========================================================= */
enum CircleFalloff
{
CIRCLE_SQUARED =0,
CIRCLE_INTERPOLATION_LINEAR =1,
CIRCLE_COSINE =2,
CIRCLE_SIGMOND =3,
CIRCLE_SQRT =4,
CIRCLE_NUM_FALLOFF
};
#ifndef LAYER_CREATION
#define LAYER_CREATION(button, stockid, tooltip) \
{ \
Gtk::Image *icon = manage(new Gtk::Image(Gtk::StockID(stockid), \
Gtk::ICON_SIZE_SMALL_TOOLBAR)); \
button.add(*icon); \
} \
button.set_relief(Gtk::RELIEF_NONE); \
button.set_tooltip_text(tooltip) ;\
button.signal_toggled().connect(sigc::mem_fun(*this, \
&studio::StateCircle_Context::toggle_layer_creation))
#endif
const int GAP = 3;
/* === G L O B A L S ======================================================= */
StateCircle studio::state_circle;
/* === C L A S S E S & S T R U C T S ======================================= */
class studio::StateCircle_Context : public sigc::trackable
{
etl::handle<CanvasView> canvas_view_;
CanvasView::IsWorking is_working;
Duckmatic::Push duckmatic_push;
Point point_holder;
etl::handle<Duck> point2_duck;
void refresh_ducks();
bool prev_workarea_layer_status_;
// Toolbox settings
synfigapp::Settings& settings;
Gtk::Grid options_grid;
Gtk::Label title_label;
Gtk::Label id_label;
Gtk::Entry id_entry;
Gtk::Box id_box;
Gtk::Label layer_types_label;
Gtk::ToggleButton layer_circle_togglebutton;
Gtk::ToggleButton layer_region_togglebutton;
Gtk::ToggleButton layer_outline_togglebutton;
Gtk::ToggleButton layer_advanced_outline_togglebutton;
Gtk::ToggleButton layer_curve_gradient_togglebutton;
Gtk::ToggleButton layer_plant_togglebutton;
Gtk::Box layer_types_box;
Gtk::Label blend_label;
Widget_Enum blend_enum;
Gtk::Box blend_box;
Gtk::Label opacity_label;
Gtk::Scale opacity_hscl;
Gtk::Label bline_width_label;
Widget_Distance bline_width_dist;
Gtk::Label bline_points_label;
Glib::RefPtr<Gtk::Adjustment> number_of_bline_points_adj;
Gtk::SpinButton number_of_bline_points_spin;
Gtk::Label bline_point_angle_offset_label;
Glib::RefPtr<Gtk::Adjustment> bline_point_angle_offset_adj;
Gtk::SpinButton bline_point_angle_offset_spin;
Gtk::Box bline_point_angle_offset_box;
Gtk::Label invert_label;
Gtk::CheckButton invert_checkbutton;
Gtk::Box invert_box;
Gtk::Label feather_label;
Widget_Distance feather_dist;
Gtk::Label link_origins_label;
Gtk::CheckButton layer_link_origins_checkbutton;
Gtk::Box link_origins_box;
Gtk::Label origins_at_center_label;
Gtk::CheckButton layer_origins_at_center_checkbutton;
Gtk::Box origins_at_center_box;
public:
// this only counts the layers which will have their origins linked
int layers_to_create()const
{
return
(get_layer_circle_flag() && get_layer_origins_at_center_flag()) +
get_layer_region_flag() +
get_layer_outline_flag() +
get_layer_advanced_outline_flag() +
get_layer_curve_gradient_flag() +
get_layer_plant_flag();
}
synfig::String get_id()const { return id_entry.get_text(); }
void set_id(const synfig::String& x) { return id_entry.set_text(x); }
int get_blend()const { return blend_enum.get_value(); }
void set_blend(int x) { return blend_enum.set_value(x); }
Real get_opacity()const { return opacity_hscl.get_value(); }
void set_opacity(Real x) { opacity_hscl.set_value(x); }
Real get_bline_width() const {
return bline_width_dist.get_value().get(
Distance::SYSTEM_UNITS,
get_canvas_view()->get_canvas()->rend_desc()
);
}
void set_bline_width(Distance x) { return bline_width_dist.set_value(x);}
Real get_feather_size() const {
return feather_dist.get_value().get(
Distance::SYSTEM_UNITS,
get_canvas_view()->get_canvas()->rend_desc()
);
}
void set_feather_size(Distance x) { return feather_dist.set_value(x);}
Real get_number_of_bline_points()const { return number_of_bline_points_adj->get_value(); }
void set_number_of_bline_points(Real f) { number_of_bline_points_adj->set_value(f); }
Real get_bline_point_angle_offset()const { return bline_point_angle_offset_adj->get_value(); }
void set_bline_point_angle_offset(Real f) { bline_point_angle_offset_adj->set_value(f); }
bool get_invert()const { return invert_checkbutton.get_active(); }
void set_invert(bool i) { invert_checkbutton.set_active(i); }
bool pre_layer_circle_flag();
bool get_layer_circle_flag()const { return layer_circle_togglebutton.get_active(); }
void set_layer_circle_flag(bool x) { return layer_circle_togglebutton.set_active(x); }
bool get_layer_region_flag()const { return layer_region_togglebutton.get_active(); }
void set_layer_region_flag(bool x) { return layer_region_togglebutton.set_active(x); }
bool get_layer_outline_flag()const { return layer_outline_togglebutton.get_active(); }
void set_layer_outline_flag(bool x) { return layer_outline_togglebutton.set_active(x); }
bool get_layer_advanced_outline_flag()const { return layer_advanced_outline_togglebutton.get_active(); }
void set_layer_advanced_outline_flag(bool x) { return layer_advanced_outline_togglebutton.set_active(x); }
bool get_layer_curve_gradient_flag()const { return layer_curve_gradient_togglebutton.get_active(); }
void set_layer_curve_gradient_flag(bool x) { return layer_curve_gradient_togglebutton.set_active(x); }
bool get_layer_plant_flag()const { return layer_plant_togglebutton.get_active(); }
void set_layer_plant_flag(bool x) { return layer_plant_togglebutton.set_active(x); }
bool get_layer_link_origins_flag()const { return layer_link_origins_checkbutton.get_active(); }
void set_layer_link_origins_flag(bool x) { return layer_link_origins_checkbutton.set_active(x); }
bool get_layer_origins_at_center_flag()const { return layer_origins_at_center_checkbutton.get_active(); }
void set_layer_origins_at_center_flag(bool x) { return layer_origins_at_center_checkbutton.set_active(x); }
bool layer_circle_flag;
bool layer_region_flag;
bool layer_outline_flag;
bool layer_advanced_outline_flag;
bool layer_curve_gradient_flag;
bool layer_plant_flag;
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_click_handler(const Smach::event& x);
Smach::event_result event_refresh_tool_options(const Smach::event& x);
//constructor destructor
StateCircle_Context(CanvasView* canvas_view);
~StateCircle_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();
void increment_id();
bool egress_on_selection_change;
Smach::event_result event_layer_selection_changed_handler(const Smach::event& /*x*/)
{
if(egress_on_selection_change)
throw &state_normal;
return Smach::RESULT_OK;
}
void make_circle(const Point& p1, const Point& p2);
void toggle_layer_creation();
}; // END of class StateCircle_Context
/* === M E T H O D S ======================================================= */
StateCircle::StateCircle():
Smach::state<StateCircle_Context>("circle")
{
insert(event_def(EVENT_LAYER_SELECTION_CHANGED,&StateCircle_Context::event_layer_selection_changed_handler));
insert(event_def(EVENT_STOP,&StateCircle_Context::event_stop_handler));
insert(event_def(EVENT_REFRESH,&StateCircle_Context::event_refresh_handler));
insert(event_def(EVENT_REFRESH_DUCKS,&StateCircle_Context::event_refresh_handler));
insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN,&StateCircle_Context::event_mouse_click_handler));
insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DRAG,&StateCircle_Context::event_mouse_click_handler));
insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_UP,&StateCircle_Context::event_mouse_click_handler));
insert(event_def(EVENT_REFRESH_TOOL_OPTIONS,&StateCircle_Context::event_refresh_tool_options));
}
StateCircle::~StateCircle()
{
}
void* StateCircle::enter_state(studio::CanvasView* machine_context) const
{
return new StateCircle_Context(machine_context);
}
void
StateCircle_Context::load_settings()
{
try
{
//parse the arguments yargh!
set_id(settings.get_value("circle.id", "Circle"));
set_blend(settings.get_value("circle.blend", int(Color::BLEND_COMPOSITE)));
set_opacity(settings.get_value("circle.opacity", 1.0));
set_bline_width(settings.get_value("circle.bline_width", Distance("1.0px")));
set_feather_size(settings.get_value("circle.feather", Distance("0.0px")));
set_number_of_bline_points(settings.get_value("circle.number_of_bline_points", 4));
set_bline_point_angle_offset(settings.get_value("circle.bline_point_angle_offset", 0.0));
set_invert(settings.get_value("circle.invert", false));
set_layer_circle_flag(settings.get_value("circle.layer_circle", true));
set_layer_region_flag(settings.get_value("circle.layer_region", false));
set_layer_outline_flag(settings.get_value("circle.layer_outline", false));
set_layer_advanced_outline_flag(settings.get_value("circle.layer_advanced_outline", false));
set_layer_curve_gradient_flag(settings.get_value("circle.layer_curve_gradient", false));
set_layer_plant_flag(settings.get_value("circle.layer_plant", false));
set_layer_link_origins_flag(settings.get_value("circle.layer_link_origins", true));
set_layer_origins_at_center_flag(settings.get_value("circle.layer_origins_at_center", true));
// determine layer flags
layer_circle_flag = get_layer_circle_flag();
layer_region_flag = get_layer_region_flag();
layer_outline_flag = get_layer_outline_flag();
layer_advanced_outline_flag = get_layer_outline_flag();
layer_curve_gradient_flag = get_layer_curve_gradient_flag();
layer_plant_flag = get_layer_plant_flag();
}
catch(...)
{
synfig::warning("State Circle: Caught exception when attempting to load settings.");
}
}
void
StateCircle_Context::save_settings()
{
try
{
settings.set_value("circle.id",get_id());
settings.set_value("circle.blend",get_blend());
settings.set_value("circle.opacity",get_opacity());
settings.set_value("circle.bline_width", bline_width_dist.get_value());
settings.set_value("circle.feather", feather_dist.get_value());
settings.set_value("circle.number_of_bline_points",(int)(get_number_of_bline_points() + 0.5));
settings.set_value("circle.bline_point_angle_offset",get_bline_point_angle_offset());
settings.set_value("circle.invert",get_invert());
settings.set_value("circle.layer_circle",get_layer_circle_flag());
settings.set_value("circle.layer_outline",get_layer_outline_flag());
settings.set_value("circle.layer_advanced_outline",get_layer_advanced_outline_flag());
settings.set_value("circle.layer_region",get_layer_region_flag());
settings.set_value("circle.layer_curve_gradient",get_layer_curve_gradient_flag());
settings.set_value("circle.layer_plant",get_layer_plant_flag());
settings.set_value("circle.layer_link_origins",get_layer_link_origins_flag());
settings.set_value("circle.layer_origins_at_center",get_layer_origins_at_center_flag());
}
catch(...)
{
synfig::warning("State Circle: Caught exception when attempting to save settings.");
}
}
void
StateCircle_Context::reset()
{
refresh_ducks();
}
void
StateCircle_Context::increment_id()
{
String id(get_id());
int number=1;
int digits=0;
if(id.empty())
id="Circle";
// 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++)
;
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);
}
StateCircle_Context::StateCircle_Context(CanvasView* canvas_view):
canvas_view_(canvas_view),
is_working(*canvas_view),
duckmatic_push(get_work_area()),
prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
settings(synfigapp::Main::get_selected_input_device()->settings()),
opacity_hscl(Gtk::Adjustment::create(1.0, 0.0, 1.0, 0.01, 0.1)),
number_of_bline_points_adj(Gtk::Adjustment::create(0, 2, 120, 1, 1)),
number_of_bline_points_spin(number_of_bline_points_adj, 1, 0),
bline_point_angle_offset_adj(Gtk::Adjustment::create(0, -360, 360, 0.1, 1)),
bline_point_angle_offset_spin(bline_point_angle_offset_adj, 1, 1)
{
egress_on_selection_change=true;
// Toolbox widgets
title_label.set_label(_("Circle Tool"));
Pango::AttrList list;
Pango::AttrInt attr = Pango::Attribute::create_attr_weight(Pango::WEIGHT_BOLD);
list.insert(attr);
title_label.set_attributes(list);
title_label.set_hexpand();
title_label.set_halign(Gtk::ALIGN_START);
title_label.set_valign(Gtk::ALIGN_CENTER);
id_label.set_label(_("Name:"));
id_label.set_halign(Gtk::ALIGN_START);
id_label.set_valign(Gtk::ALIGN_CENTER);
id_label.get_style_context()->add_class("gap");
id_box.pack_start(id_label, false, false, 0);
id_box.pack_start(id_entry, true, true, 0);
layer_types_label.set_label(_("Layer Type:"));
layer_types_label.set_halign(Gtk::ALIGN_START);
layer_types_label.set_valign(Gtk::ALIGN_CENTER);
LAYER_CREATION(layer_circle_togglebutton,
("synfig-layer_geometry_circle"), _("Create a circle layer"));
LAYER_CREATION(layer_region_togglebutton,
("synfig-layer_geometry_region"), _("Create a region layer"));
LAYER_CREATION(layer_outline_togglebutton,
("synfig-layer_geometry_outline"), _("Create an outline layer"));
LAYER_CREATION(layer_advanced_outline_togglebutton,
("synfig-layer_geometry_advanced_outline"), _("Create an advanced outline layer"));
LAYER_CREATION(layer_plant_togglebutton,
("synfig-layer_other_plant"), _("Create a plant layer"));
LAYER_CREATION(layer_curve_gradient_togglebutton,
("synfig-layer_gradient_curve"), _("Create a gradient layer"));
layer_circle_togglebutton.get_style_context()->add_class("indentation");
layer_types_box.pack_start(layer_circle_togglebutton, false, false, 0);
layer_types_box.pack_start(layer_region_togglebutton, false, false, 0);
layer_types_box.pack_start(layer_outline_togglebutton, false, false, 0);
layer_types_box.pack_start(layer_advanced_outline_togglebutton, false, false, 0);
layer_types_box.pack_start(layer_plant_togglebutton, false, false, 0);
layer_types_box.pack_start(layer_curve_gradient_togglebutton, false, false, 0);
blend_label.set_label(_("Blend Method:"));
blend_label.set_halign(Gtk::ALIGN_START);
blend_label.set_valign(Gtk::ALIGN_CENTER);
blend_label.get_style_context()->add_class("gap");
blend_box.pack_start(blend_label, false, false, 0);
blend_enum.set_param_desc(ParamDesc(Color::BLEND_COMPOSITE,"blend_method")
.set_local_name(_("Blend Method"))
.set_description(_("Defines the blend method to be used for circles")));
opacity_label.set_label(_("Opacity:"));
opacity_label.set_halign(Gtk::ALIGN_START);
opacity_label.set_valign(Gtk::ALIGN_CENTER);
opacity_hscl.set_digits(2);
opacity_hscl.set_value_pos(Gtk::POS_LEFT);
opacity_hscl.set_tooltip_text(_("Opacity"));
bline_width_label.set_label(_("Brush Size:"));
bline_width_label.set_halign(Gtk::ALIGN_START);
bline_width_label.set_valign(Gtk::ALIGN_CENTER);
bline_width_label.set_sensitive(false);
bline_width_dist.set_digits(2);
bline_width_dist.set_range(0,10000000);
bline_width_dist.set_sensitive(false);
bline_points_label.set_label(_("Spline Points:"));
bline_points_label.set_halign(Gtk::ALIGN_START);
bline_points_label.set_valign(Gtk::ALIGN_CENTER);
bline_points_label.set_sensitive(false);
number_of_bline_points_spin.set_sensitive(false);
bline_point_angle_offset_label.set_label(_("Offset:"));
bline_point_angle_offset_label.set_halign(Gtk::ALIGN_START);
bline_point_angle_offset_label.set_valign(Gtk::ALIGN_CENTER);
bline_point_angle_offset_label.set_sensitive(false);
bline_point_angle_offset_spin.set_sensitive(false);
bline_point_angle_offset_label.get_style_context()->add_class("indentation");
bline_point_angle_offset_box.pack_start(bline_point_angle_offset_label, false, false, 0);
invert_label.set_label(_("Invert"));
invert_label.set_halign(Gtk::ALIGN_START);
invert_label.set_valign(Gtk::ALIGN_CENTER);
invert_box.pack_start(invert_label, true, true, 0);
invert_box.pack_start(invert_checkbutton, false, false, 0);
invert_box.set_sensitive(false);
feather_label.set_label(_("Feather:"));
feather_label.set_halign(Gtk::ALIGN_START);
feather_label.set_valign(Gtk::ALIGN_CENTER);
feather_label.set_sensitive(false);
feather_dist.set_digits(2);
feather_dist.set_range(0,10000000);
feather_dist.set_sensitive(false);
link_origins_label.set_label(_("Link Origins"));
link_origins_label.set_halign(Gtk::ALIGN_START);
link_origins_label.set_valign(Gtk::ALIGN_CENTER);
link_origins_box.pack_start(link_origins_label, true, true, 0);
link_origins_box.pack_start(layer_link_origins_checkbutton, false, false, 0);
link_origins_box.set_sensitive(false);
origins_at_center_label.set_label(_("Spline Origins at Center"));
origins_at_center_label.set_halign(Gtk::ALIGN_START);
origins_at_center_label.set_valign(Gtk::ALIGN_CENTER);
origins_at_center_box.pack_start(origins_at_center_label, true, true, 0);
origins_at_center_box.pack_start(layer_origins_at_center_checkbutton, false, false, 0);
origins_at_center_box.set_sensitive(false);
load_settings();
// Toolbox layout
options_grid.attach(title_label,
0, 0, 2, 1);
options_grid.attach(id_box,
0, 1, 2, 1);
options_grid.attach(layer_types_label,
0, 2, 2, 1);
options_grid.attach(layer_types_box,
0, 3, 2, 1);
options_grid.attach(blend_box,
0, 4, 1, 1);
options_grid.attach(blend_enum,
1, 4, 1, 1);
options_grid.attach(opacity_label,
0, 5, 1, 1);
options_grid.attach(opacity_hscl,
1, 5, 1, 1);
options_grid.attach(bline_width_label,
0, 6, 1, 1);
options_grid.attach(bline_width_dist,
1, 6, 1, 1);
options_grid.attach(bline_points_label,
0, 7, 1, 1);
options_grid.attach(number_of_bline_points_spin,
1, 7, 1, 1);
options_grid.attach(bline_point_angle_offset_box,
0, 8, 1, 1);
options_grid.attach(bline_point_angle_offset_spin,
1, 8, 1, 1);
options_grid.attach(invert_box,
0, 9, 2, 1);
options_grid.attach(feather_label,
0, 10, 1, 1);
options_grid.attach(feather_dist,
1, 10, 1, 1);
options_grid.attach(link_origins_box,
0, 11, 2, 1);
options_grid.attach(origins_at_center_box,
0, 12, 2, 1);
options_grid.set_vexpand(false);
options_grid.set_border_width(GAP*2);
options_grid.set_row_spacing(GAP);
options_grid.set_margin_bottom(0);
options_grid.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();
get_work_area()->set_cursor(Gdk::CROSSHAIR);
App::dock_toolbox->refresh();
}
void
StateCircle_Context::refresh_tool_options()
{
App::dialog_tool_options->clear();
App::dialog_tool_options->set_widget(options_grid);
App::dialog_tool_options->set_local_name(_("Circle Tool"));
App::dialog_tool_options->set_name("circle");
}
Smach::event_result
StateCircle_Context::event_refresh_tool_options(const Smach::event& /*x*/)
{
refresh_tool_options();
return Smach::RESULT_ACCEPT;
}
StateCircle_Context::~StateCircle_Context()
{
save_settings();
// Restore layer clicking
get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
get_work_area()->reset_cursor();
App::dialog_tool_options->clear();
// Refresh the work area
get_work_area()->queue_draw();
get_canvas_view()->queue_rebuild_ducks();
App::dock_toolbox->refresh();
}
Smach::event_result
StateCircle_Context::event_stop_handler(const Smach::event& /*x*/)
{
throw &state_normal;
return Smach::RESULT_OK;
}
Smach::event_result
StateCircle_Context::event_refresh_handler(const Smach::event& /*x*/)
{
refresh_ducks();
return Smach::RESULT_ACCEPT;
}
void
StateCircle_Context::make_circle(const Point& _p1, const Point& _p2)
{
synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Circle"));
synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
Layer::Handle layer;
Canvas::Handle 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();
}
synfigapp::SelectionManager::LayerList layer_selection;
const synfig::TransformStack& transform(get_work_area()->get_curr_transform_stack());
const Point p1(transform.unperform(_p1));
const Point p2(transform.unperform(_p2));
Real radius((p2-p1).mag());
int points = get_number_of_bline_points();
Angle::deg offset(get_bline_point_angle_offset());
Angle::deg angle(360.0/points);
Real tangent(4 * ((points == 2)
? 1
: ((2 * Angle::cos(angle/2).get() - Angle::cos(angle).get() - 1) / Angle::sin(angle).get())));
Vector origin;
Real x, y;
if (get_layer_origins_at_center_flag())
{
x = y = 0;
origin = p1;
}
else
{
x = p1[0];
y = p1[1];
}
std::vector<BLinePoint> new_list;
for (int i = 0; i < points; i++)
{
BLinePoint p;
p.set_width(1);
p.set_vertex(Point(radius*Angle::cos(angle*i + offset).get() + x,
radius*Angle::sin(angle*i + offset).get() + y));
p.set_tangent(Point(-radius*tangent*Angle::sin(angle*i + offset).get(),
radius*tangent*Angle::cos(angle*i + offset).get()));
new_list.push_back(p);
}
ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
assert(value_node_bline);
ValueNode::Handle value_node_origin(ValueNode_Const::create(origin));
assert(value_node_origin);
// Set the looping flag
value_node_bline->set_loop(true);
if(!canvas)
canvas=get_canvas_view()->get_canvas();
value_node_bline->set_member_canvas(canvas);
// count how many layers we're going to be creating
int layers_to_create = this->layers_to_create();
// Set blend_method to static (consistent with other Layers)
ValueBase blend_param_value(get_blend());
blend_param_value.set_static(true);
///////////////////////////////////////////////////////////////////////////
// C I R C L E
///////////////////////////////////////////////////////////////////////////
if (get_layer_circle_flag())
{
egress_on_selection_change=false;
layer=get_canvas_interface()->add_layer_to("circle",canvas,depth);
egress_on_selection_change=true;
if (!layer)
{
get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
group.cancel();
return;
}
layer_selection.push_back(layer);
layer->set_param("radius",(p2-p1).mag());
get_canvas_interface()->signal_layer_param_changed()(layer,"radius");
layer->set_param("amount",get_opacity());
get_canvas_interface()->signal_layer_param_changed()(layer,"amount");
layer->set_param("feather",get_feather_size());
get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
layer->set_param("invert",get_invert());
get_canvas_interface()->signal_layer_param_changed()(layer,"invert");
layer->set_param("blend_method",blend_param_value);
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());
// only link the circle's origin parameter if the option is selected, we're putting bline
// origins at their centers, and we're creating more than one layer
if (get_layer_link_origins_flag() && get_layer_origins_at_center_flag() && layers_to_create > 1)
{
synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
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("origin")))
synfig::error("LayerParamConnect didn't like \"param\"");
if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
synfig::error("LayerParamConnect didn't like \"value_node\"");
if(!get_canvas_interface()->get_instance()->perform_action(action))
{
group.cancel();
throw String(_("Unable to create Circle layer"));
return;
}
}
else
{
layer->set_param("origin",p1);
get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
}
}
///////////////////////////////////////////////////////////////////////////
// C U R V E G R A D I E N T
///////////////////////////////////////////////////////////////////////////
if(get_layer_curve_gradient_flag())
{
synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
egress_on_selection_change=false;
Layer::Handle layer(get_canvas_interface()->add_layer_to("curve_gradient",canvas,depth));
egress_on_selection_change=true;
if (!layer)
{
get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
group.cancel();
return;
}
layer_selection.push_back(layer);
layer->set_description(get_id()+_(" Gradient"));
get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
layer->set_param("blend_method",blend_param_value);
get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
layer->set_param("amount",get_opacity());
get_canvas_interface()->signal_layer_param_changed()(layer,"amount");
layer->set_param("width",get_bline_width());
get_canvas_interface()->signal_layer_param_changed()(layer,"width");
{
synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
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))
{
group.cancel();
throw String(_("Unable to create Gradient layer"));
return;
}
}
// only link the curve gradient's origin parameter if the option is selected and we're creating more than one layer
if (get_layer_link_origins_flag() && layers_to_create > 1)
{
synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
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("origin")))
synfig::error("LayerParamConnect didn't like \"param\"");
if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
synfig::error("LayerParamConnect didn't like \"value_node\"");
if(!get_canvas_interface()->get_instance()->perform_action(action))
{
group.cancel();
throw String(_("Unable to create Gradient layer"));
return;
}
}
else
{
layer->set_param("origin",origin);
get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
}
}
///////////////////////////////////////////////////////////////////////////
// P L A N T
///////////////////////////////////////////////////////////////////////////
if(get_layer_plant_flag())
{
synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
egress_on_selection_change=false;
Layer::Handle layer(get_canvas_interface()->add_layer_to("plant",canvas,depth));
egress_on_selection_change=true;
if (!layer)
{
get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
group.cancel();
return;
}
layer_selection.push_back(layer);
layer->set_description(get_id()+_(" Plant"));
get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
layer->set_param("blend_method",blend_param_value);
get_canvas_interface()->signal_layer_param_changed()(layer,"blend_method");
layer->set_param("amount",get_opacity());
get_canvas_interface()->signal_layer_param_changed()(layer,"amount");
{
synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
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))
{
group.cancel();
throw String(_("Unable to create Plant layer"));
return;
}
}
// only link the plant's origin parameter if the option is selected and we're creating more than one layer
if (get_layer_link_origins_flag() && layers_to_create > 1)
{
synfigapp::Action::Handle action(synfigapp::Action::create("LayerParamConnect"));
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("origin")))
synfig::error("LayerParamConnect didn't like \"param\"");
if(!action->set_param("value_node",ValueNode::Handle(value_node_origin)))
synfig::error("LayerParamConnect didn't like \"value_node\"");
if(!get_canvas_interface()->get_instance()->perform_action(action))
{
group.cancel();
throw String(_("Unable to create Plant layer"));
return;
}
}
else
{
layer->set_param("origin",origin);
get_canvas_interface()->signal_layer_param_changed()(layer,"origin");
}
}
///////////////////////////////////////////////////////////////////////////
// R E G I O N
///////////////////////////////////////////////////////////////////////////
if(get_layer_region_flag())
{
synfigapp::PushMode push_mode(get_canvas_interface(),synfigapp::MODE_NORMAL);
egress_on_selection_change=false;
Layer::Handle layer(get_canvas_interface()->add_layer_to("region",canvas,depth));
egress_on_selection_change=true;
if (!layer)
{
get_canvas_view()->get_ui_interface()->error(_("Unable to create layer"));
group.cancel();
return;
}
layer_selection.push_back(layer);
layer->set_description(get_id()+_(" Region"));
get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
layer->set_param("blend_method",blend_param_value);