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state_bline.cpp
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state_bline.cpp
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/* === S Y N F I G ========================================================= */
/*! \file state_bline.cpp
** \brief Template File
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007, 2008 Chris Moore
** Copyright (c) 2010, 2011 Carlos López
**
** 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_bline.h>
#include <gtkmm/imagemenuitem.h>
#include <gtkmm/separatormenuitem.h>
#include <ETL/calculus>
#include <ETL/hermite>
#include <gui/app.h>
#include <gui/canvasview.h>
#include <gui/docks/dialog_tooloptions.h>
#include <gui/docks/dock_toolbox.h>
#include <gui/event_keyboard.h>
#include <gui/event_mouse.h>
#include <gui/localization.h>
#include <gui/states/state_normal.h>
#include <gui/widgets/widget_distance.h>
#include <gui/widgets/widget_enum.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 ========================================================= */
// if defined, show the first duck as green while drawing
#define DISTINGUISH_FIRST_DUCK
#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::StateBLine_Context::toggle_layer_creation))
#endif
const int GAP = 3;
/* === 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;
bool on_vertex_change(const studio::Duck &duck, synfig::ValueNode_Const::Handle value_node);
bool on_tangent1_change(const studio::Duck &duck, handle<WorkArea::Duck> other_duck, synfig::ValueNode_Const::Handle value_node);
bool on_tangent2_change(const studio::Duck &duck, handle<WorkArea::Duck> other_duck, 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_set_split_handle(synfig::ValueNode_Const::Handle value_node, bool merge_radius, bool merge_angle);
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 unloop_bline();
void refresh_ducks(bool x=true);
// 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_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 feather_label;
Widget_Distance feather_dist;
Gtk::Label link_origins_label;
Gtk::CheckButton layer_link_origins_checkbutton;
Gtk::Box link_origins_box;
Gtk::Label auto_export_label;
Gtk::CheckButton auto_export_checkbutton;
Gtk::Box auto_export_box;
public:
int layers_to_create()const
{
return
get_layer_region_flag() +
get_layer_outline_flag() +
get_layer_advanced_outline_flag()+
get_layer_curve_gradient_flag() +
get_layer_plant_flag();
}
void sanity_check()
{
if(layers_to_create()==0)
set_layer_region_flag(true);
}
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);}
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_auto_export_flag()const { return auto_export_checkbutton.get_active(); }
void set_auto_export_flag(bool x) { return auto_export_checkbutton.set_active(x); }
bool layer_region_flag;
bool layer_outline_flag;
bool layer_advanced_outline_flag;
bool layer_curve_gradient_flag;
bool layer_plant_flag;
Smach::event_result event_stop_handler(const Smach::event& x);
Smach::event_result event_refresh_handler(const Smach::event& x);
Smach::event_result event_key_press_handler(const Smach::event& x);
Smach::event_result event_key_release_handler(const Smach::event& x);
Smach::event_result event_mouse_click_handler(const Smach::event& x);
Smach::event_result event_mouse_doubleclick_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 get_work_area()->get_curr_transform_stack(); }
void load_settings();
void save_settings();
void reset();
void increment_id();
bool run_();
bool run();
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 toggle_layer_creation();
}; // 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_KEY_DOWN, &StateBLine_Context::event_key_press_handler));
insert(event_def(EVENT_WORKAREA_KEY_UP, &StateBLine_Context::event_key_release_handler));
insert(event_def(EVENT_WORKAREA_MOUSE_BUTTON_DOWN, &StateBLine_Context::event_mouse_click_handler));
insert(event_def(EVENT_WORKAREA_MOUSE_2BUTTON_DOWN, &StateBLine_Context::event_mouse_doubleclick_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::enter_state(studio::CanvasView* machine_context) const
{
return new StateBLine_Context(machine_context);
}
void
StateBLine_Context::load_settings()
{
try
{
set_id(settings.get_value("bline.id", _("NewSpline")));
set_blend(settings.get_value("bline.blend", int(Color::BLEND_COMPOSITE)));
set_opacity(settings.get_value("bline.opacity", 1.0));
set_bline_width(Distance(
settings.get_value("bline.bline_width", 1.0),
App::distance_system)
);
set_layer_region_flag(settings.get_value("bline.layer_region", true));
set_layer_outline_flag(settings.get_value("bline.layer_outline", false));
set_layer_advanced_outline_flag(settings.get_value("bline.layer_advanced_outline", true));
set_layer_curve_gradient_flag(settings.get_value("bline.layer_curve_gradient", false));
set_layer_plant_flag(settings.get_value("bline.layer_plant", false));
set_layer_link_origins_flag(settings.get_value("bline.layer_link_origins", true));
set_auto_export_flag(settings.get_value("bline.auto_export", false));
set_feather_size(Distance(
settings.get_value("bline.feather", 0.0),
App::distance_system)
);
// determine layer flags
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();
sanity_check();
}
catch(...)
{
synfig::warning("State Spline: Caught exception when attempting to load settings.");
}
}
void
StateBLine_Context::save_settings()
{
try
{
synfig::ChangeLocale change_locale(LC_NUMERIC, "C");
sanity_check();
settings.set_value("bline.id",get_id());
settings.set_value("bline.layer_outline",get_layer_outline_flag()?"1":"0");
settings.set_value("bline.layer_advanced_outline",get_layer_advanced_outline_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.layer_plant",get_layer_plant_flag()?"1":"0");
settings.set_value("bline.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
settings.set_value("bline.blend",strprintf("%d",get_blend()));
settings.set_value("bline.opacity",strprintf("%f",(float)get_opacity()));
settings.set_value("bline.bline_width", bline_width_dist.get_value().get_string());
settings.set_value("bline.feather", feather_dist.get_value().get_string());
settings.set_value("bline.auto_export",get_auto_export_flag()?"1":"0");
}
catch(...)
{
synfig::warning("State Spline : Caught exception when attempting to save settings.");
}
}
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="NewSpline";
// 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);
}
StateBLine_Context::StateBLine_Context(CanvasView* canvas_view):
canvas_view_(canvas_view),
is_working(*canvas_view),
prev_table_status(false),
loop_(false),
prev_workarea_layer_status_(get_work_area()->get_allow_layer_clicks()),
depth(-1),
duckmatic_push(get_work_area()),
settings(synfigapp::Main::get_selected_input_device()->settings()),
opacity_hscl(Gtk::Adjustment::create(1.0, 0.0, 1.0, 0.01, 0.1))
{
egress_on_selection_change=true;
// Toolbox widgets
title_label.set_label(_("Spline 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_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_region_togglebutton.get_style_context()->add_class("indentation");
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 splines")));
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);
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);
auto_export_label.set_label(_("Auto Export"));
auto_export_label.set_halign(Gtk::ALIGN_START);
auto_export_label.set_valign(Gtk::ALIGN_CENTER);
auto_export_box.pack_start(auto_export_label, true, true, 0);
auto_export_box.pack_start(auto_export_checkbutton, false, false, 0);
auto_export_box.set_sensitive(true);
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(feather_label,
0, 7, 1, 1);
options_grid.attach(feather_dist,
1, 7, 1, 1);
options_grid.attach(link_origins_box,
0, 8, 2, 1);
options_grid.attach(auto_export_box,
0, 9, 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();
// Hide the tables if they are showing
prev_table_status=get_canvas_view()->tables_are_visible();
if(prev_table_status)get_canvas_view()->hide_tables();
// Disable the time bar
get_canvas_view()->set_sensitive_timebar(false);
get_work_area()->set_cursor(Gdk::CROSSHAIR);
App::dock_toolbox->refresh();
}
void
StateBLine_Context::refresh_tool_options()
{
App::dialog_tool_options->clear();
App::dialog_tool_options->set_widget(options_grid);
App::dialog_tool_options->set_local_name(_("Spline Tool"));
App::dialog_tool_options->set_name("bline");
App::dialog_tool_options->add_button(
Gtk::StockID("gtk-execute"),
_("Make Spline")
)->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 Spline")
)->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()
{
try {
run();
} catch (...) {
synfig::error("Internal error destroying StateBLineContext");
}
save_settings();
App::dialog_tool_options->clear();
get_work_area()->reset_cursor();
// Restore layer clicking
get_work_area()->set_allow_layer_clicks(prev_workarea_layer_status_);
// Enable the time bar
get_canvas_view()->set_sensitive_timebar(true);
// Bring back the tables if they were out before
if(prev_table_status)get_canvas_view()->show_tables();
// Refresh the work area
get_work_area()->queue_draw();
App::dock_toolbox->refresh();
}
Smach::event_result
StateBLine_Context::event_stop_handler(const Smach::event& /*x*/)
{
reset();
return Smach::RESULT_ACCEPT;
}
Smach::event_result
StateBLine_Context::event_refresh_handler(const Smach::event& /*x*/)
{
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 (const 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()->task(_("Information: You need at least two (2) points to create a spline"));
return false;
}
do
{
// Create the action group
synfigapp::Action::PassiveGrouper group(get_canvas_interface()->get_instance().get(),_("New Spline"));
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);
ValueNode::Handle value_node_origin(ValueNode_Const::create(Vector()));
assert(value_node_origin);
// 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()))
{
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();
value_node_bline->set_member_canvas(canvas);
synfigapp::SelectionManager::LayerList layer_selection;
// 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 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)
{
group.cancel();
throw String(_("Unable to create layer"));
}
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");
{
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 false;
}
}
// 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))
{
//get_canvas_view()->get_ui_interface()->error(_("Unable to create BLine layer"));
group.cancel();
throw String(_("Unable to create Gradient layer"));
return false;
}
}
}
///////////////////////////////////////////////////////////////////////////
// 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)
{
group.cancel();
throw String(_("Unable to create layer"));
}
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 false;
}
}
// 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 false;
}
}
}
///////////////////////////////////////////////////////////////////////////
// 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)
{
group.cancel();
throw String(_("Unable to create layer"));
}
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);
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");
if(get_feather_size())
{
layer->set_param("feather",get_feather_size());
get_canvas_interface()->signal_layer_param_changed()(layer,"feather");
}
// I don't know if it's safe to reuse the same LayerParamConnect action, so I'm
// using 2 separate ones.
{
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))
{