/* === S Y N F I G ========================================================= */
/*! \file layer_switch.cpp
** \brief Implementation of the "Switch" layer
**
** $Id$
**
** \legal
** ......... ... 2014 Ivan Mahonin
**
** 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 <cmath>
#include <synfig/general.h>
#include <synfig/localization.h>
#include <synfig/canvas.h>
#include <synfig/context.h>
#include <synfig/paramdesc.h>
#include <synfig/string.h>
#include <synfig/time.h>
#include <synfig/value.h>
#include <synfig/valuenode.h>
#include "layer_switch.h"
#endif
/* === U S I N G =========================================================== */
using namespace etl;
using namespace std;
using namespace synfig;
/* === M A C R O S ========================================================= */
/* === C L A S S E S ======================================================= */
/* === G L O B A L S ======================================================= */
SYNFIG_LAYER_INIT(Layer_Switch);
SYNFIG_LAYER_SET_NAME(Layer_Switch,"switch");
SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Switch,N_("Switch"));
SYNFIG_LAYER_SET_CATEGORY(Layer_Switch,N_("Other"));
SYNFIG_LAYER_SET_VERSION(Layer_Switch,"0.0");
SYNFIG_LAYER_SET_CVS_ID(Layer_Switch,"$Id$");
/* === M E T H O D S ======================================================= */
Layer_Switch::Layer_Switch()
{
param_layer_name=ValueBase(String());
param_layer_depth=ValueBase(int(-1));
set_param("children_lock",ValueBase(true));
SET_INTERPOLATION_DEFAULTS();
SET_STATIC_DEFAULTS();
}
Layer_Switch::~Layer_Switch()
{
}
String
Layer_Switch::get_local_name()const
{
String s = Layer_PasteCanvas::get_local_name();
return s.empty() ? _("Switch") : _("Switch") + (" [" + s + ']');
}
Layer::Vocab
Layer_Switch::get_param_vocab()const
{
Layer::Vocab ret(Layer_PasteCanvas::get_param_vocab());
ret.push_back(ParamDesc("layer_name")
.set_local_name(_("Active Layer Name"))
.set_description(_("Only layer with specified name are visible"))
.set_hint("sublayer_name")
);
ret.push_back(ParamDesc("layer_depth")
.set_local_name(_("Active Layer Depth"))
.set_description(_("Uses when layer name is empty. Only layer with specified depth are visible"))
);
return ret;
}
bool
Layer_Switch::set_param(const String & param, const ValueBase &value)
{
IMPORT_VALUE(param_layer_name);
IMPORT_VALUE(param_layer_depth);
return Layer_PasteCanvas::set_param(param,value);
}
ValueBase
Layer_Switch::get_param(const String& param)const
{
EXPORT_VALUE(param_layer_name);
EXPORT_VALUE(param_layer_depth);
EXPORT_NAME();
EXPORT_VERSION();
return Layer_PasteCanvas::get_param(param);
}
Layer::Handle
Layer_Switch::get_current_layer()const
{
Canvas::Handle canvas = get_sub_canvas();
if (canvas) {
String name = param_layer_name.get(String());
if (name.empty()) {
int depth = param_layer_depth.get(int());
for(IndependentContext i = canvas->get_independent_context(); *i; i++)
if ((*i)->get_depth() == depth)
return *i;
} else {
for(IndependentContext i = canvas->get_independent_context(); *i; i++)
if ((*i)->get_description() == name)
return *i;
}
}
return Layer::Handle();
}
void
Layer_Switch::apply_z_range_to_params(ContextParams &cp)const
{
if (optimized()) return; // z_range already applied while optimizxation
Layer::Handle layer = get_current_layer();
if (layer) {
cp.z_range=true;
cp.z_range_position=layer->get_depth();
cp.z_range_depth=0;
cp.z_range_blur=0;
return;
}
cp.z_range=true;
cp.z_range_position=0;
cp.z_range_depth=-1;
cp.z_range_blur=0;
}
void
Layer_Switch::possible_layers_changed()
{
on_possible_layers_changed();
signal_possible_layers_changed_();
}
void
Layer_Switch::on_childs_changed()
{
Layer_PasteCanvas::on_childs_changed();
std::set<String> a(last_existant_layers), b;
get_existant_layers(b);
if (a != b)
possible_layers_changed();
}
void
Layer_Switch::on_static_param_changed(const String ¶m)
{
Layer_PasteCanvas::on_static_param_changed(param);
if (param == "layer_name")
{
std::set<String> a(last_possible_layers), b;
get_possible_layers(b);
if (a != b)
possible_layers_changed();
}
}
void
Layer_Switch::on_dynamic_param_changed(const String ¶m)
{
Layer_PasteCanvas::on_dynamic_param_changed(param);
if (param == "layer_name")
{
std::set<String> a(last_possible_layers), b;
get_possible_layers(b);
if (a != b)
possible_layers_changed();
}
}
void
Layer_Switch::get_existant_layers(std::set<String> &x) const
{
if (!get_sub_canvas()) return;
for(IndependentContext i = get_sub_canvas()->get_independent_context(); *i; ++i)
x.insert((*i)->get_description());
last_existant_layers = x;
}
void
Layer_Switch::get_possible_layers(std::set<String> &x) const
{
if (dynamic_param_list().count("layer_name"))
{
std::set<ValueBase> v;
dynamic_param_list().find("layer_name")->second->get_values(v);
for(std::set<ValueBase>::const_iterator i = v.begin(); i != v.end(); ++i)
if (!i->get(String()).empty())
x.insert(i->get(String()));
}
else
{
if (!param_layer_name.get(String()).empty())
x.insert(param_layer_name.get(String()));
}
last_possible_layers = x;
}
void
Layer_Switch::get_possible_new_layers(std::set<String> &x) const
{
std::set<String> possible;
get_possible_layers(possible);
std::set<String> existant;
get_existant_layers(existant);
for(std::set<String>::const_iterator i = possible.begin(); i != possible.end(); ++i)
if (!existant.count(*i)) x.insert(*i);
}
void
Layer_Switch::get_impossible_existant_layers(std::set<String> &x) const
{
std::set<String> possible;
get_possible_layers(possible);
std::set<String> existant;
get_existant_layers(existant);
for(std::set<String>::const_iterator i = existant.begin(); i != existant.end(); ++i)
if (!possible.count(*i)) x.insert(*i);
}