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/************************************************************************
*
* Copyright (C) 2021-2024 IRCAD France
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <sight/io/session/config.hpp>
#include "io/session/helper.hpp"
#include "io/session/macros.hpp"
#include <data/transfer_function.hpp>
namespace sight::io::session::detail::transfer_function
{
constexpr static auto LEVEL {"Level"};
constexpr static auto WINDOW {"Window"};
constexpr static auto NAME {"Name"};
constexpr static auto RED {"Red"};
constexpr static auto GREEN {"Green"};
constexpr static auto BLUE {"Blue"};
constexpr static auto ALPHA {"Alpha"};
constexpr static auto BACKGROUND_COLOR {"BackgroundColor"};
constexpr static auto INTERPOLATION_MODE {"InterpolationMode"};
constexpr static auto IS_CLAMPED {"IsClamped"};
constexpr static auto IS_GENERATED {"is_generated"};
constexpr static auto TF_DATA {"TFData"};
constexpr static auto VALUE {"Value"};
constexpr static auto COLOR {"Color"};
constexpr static auto PIECES {"Pieces"};
//------------------------------------------------------------------------------
inline static void serialize_transfer_function_piece(
boost::property_tree::ptree& _tree,
const data::transfer_function_piece& _transfer_function
)
{
_tree.put(INTERPOLATION_MODE, static_cast<int>(_transfer_function.get_interpolation_mode()));
_tree.put(IS_CLAMPED, _transfer_function.clamped());
_tree.put(IS_GENERATED, _transfer_function.generated());
_tree.put(LEVEL, _transfer_function.level());
_tree.put(WINDOW, _transfer_function.window());
// Transfer function data
boost::property_tree::ptree data_tree;
std::size_t index = 0;
for(const auto& value : _transfer_function)
{
boost::property_tree::ptree value_tree;
value_tree.put(VALUE, std::to_string(value.first));
value_tree.put(RED, value.second.r);
value_tree.put(GREEN, value.second.g);
value_tree.put(BLUE, value.second.b);
value_tree.put(ALPHA, value.second.a);
data_tree.add_child(VALUE + std::to_string(index++), value_tree);
}
_tree.add_child(TF_DATA, data_tree);
}
//------------------------------------------------------------------------------
inline static void deserialize_transfer_function_piece(
const boost::property_tree::ptree& _tree,
data::transfer_function_piece& _transfer_function,
int _version
)
{
// Deserialize attributes
_transfer_function.set_level(_tree.get<double>(LEVEL));
_transfer_function.set_window(_tree.get<double>(WINDOW));
_transfer_function.set_interpolation_mode(
static_cast<data::transfer_function::interpolation_mode>(_tree.get<int>(INTERPOLATION_MODE))
);
_transfer_function.set_clamped(_tree.get<bool>(IS_CLAMPED));
if(_version == 2)
{
_transfer_function.set_generated(_tree.get<bool>(IS_GENERATED));
}
// Transfer function data
for(const auto& value : _tree.get_child(TF_DATA))
{
const auto& color_tree = value.second;
data::transfer_function::color_t color(
color_tree.get<double>(RED),
color_tree.get<double>(GREEN),
color_tree.get<double>(BLUE),
color_tree.get<double>(ALPHA)
);
_transfer_function.insert({color_tree.get<double>(VALUE), color});
}
}
//------------------------------------------------------------------------------
inline static void write(
zip::archive_writer& /*unused*/,
boost::property_tree::ptree& _tree,
data::object::csptr _object,
std::map<std::string, data::object::csptr>& /*unused*/,
const core::crypto::secure_string& /*unused*/ = ""
)
{
const auto transfer_function = helper::safe_cast<data::transfer_function>(_object);
helper::write_version<data::transfer_function>(_tree, 2);
// Serialize attributes
helper::write_string(_tree, NAME, transfer_function->name());
// Background color
const auto& background_color = transfer_function->background_color();
boost::property_tree::ptree background_color_tree;
background_color_tree.put(RED, background_color.r);
background_color_tree.put(GREEN, background_color.g);
background_color_tree.put(BLUE, background_color.b);
background_color_tree.put(ALPHA, background_color.a);
_tree.add_child(BACKGROUND_COLOR, background_color_tree);
_tree.put(LEVEL, transfer_function->level());
_tree.put(WINDOW, transfer_function->window());
boost::property_tree::ptree pieces_tree;
std::size_t index = 0;
for(const auto& piece : transfer_function->pieces())
{
boost::property_tree::ptree piece_tree;
serialize_transfer_function_piece(piece_tree, *piece);
pieces_tree.add_child(PIECES + std::to_string(index++), piece_tree);
}
_tree.add_child(PIECES, pieces_tree);
}
//------------------------------------------------------------------------------
inline static data::transfer_function::sptr read(
zip::archive_reader& /*unused*/,
const boost::property_tree::ptree& _tree,
const std::map<std::string, data::object::sptr>& /*unused*/,
data::object::sptr _object,
const core::crypto::secure_string& /*unused*/ = ""
)
{
// Create or reuse the object
auto transfer_function = helper::cast_or_create<data::transfer_function>(_object);
// Background color
const auto background_color_tree = _tree.get_child(BACKGROUND_COLOR);
data::transfer_function::color_t background_color(
background_color_tree.get<double>(RED),
background_color_tree.get<double>(GREEN),
background_color_tree.get<double>(BLUE),
background_color_tree.get<double>(ALPHA)
);
transfer_function->set_background_color(background_color);
transfer_function->set_name(helper::read_string(_tree, NAME));
const int version = helper::read_version<data::transfer_function>(_tree, 0, 2);
if(version == -1)
{
auto& pieces = transfer_function->pieces();
pieces.push_back(std::make_shared<data::transfer_function_piece>());
deserialize_transfer_function_piece(_tree, *pieces.back(), version);
transfer_function->fit_window();
}
else
{
transfer_function->set_level(_tree.get<double>(LEVEL));
transfer_function->set_window(_tree.get<double>(WINDOW));
auto& pieces = transfer_function->pieces();
pieces.clear();
for(const auto& piece_tree : _tree.get_child(PIECES))
{
const auto new_piece = std::make_shared<data::transfer_function_piece>();
pieces.push_back(new_piece);
deserialize_transfer_function_piece(piece_tree.second, *new_piece, version);
}
}
return transfer_function;
}
SIGHT_REGISTER_SERIALIZER(data::transfer_function, write, read);
} // namespace sight::io::session::detail::transfer_function
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