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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2020 IHU Strasbourg
*
* 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/geometry/data/config.hpp>
#include <core/base.hpp>
#include <core/compound_types.hpp>
#include <data/matrix4.hpp>
#include <data/mesh.hpp>
#include <glm/vec3.hpp>
namespace sight::geometry::data
{
/**
* @brief This helper generates a mesh using specified structure (quad or triangle).
*/
class mesh
{
public:
using points_map_t = std::map<glm::vec3, sight::data::mesh::point_t>;
using position_t = std::array<double, 3>;
using organization_t = std::array<std::size_t, 3>;
/**
* @brief Generate cell normals for the mesh.
*
* @param[out] _mesh data::mesh structure to fill with cell normals.
*/
SIGHT_GEOMETRY_DATA_API static void generate_cell_normals(sight::data::mesh::sptr _mesh);
/**
* @brief Generate point normals for the mesh.
*
* @param[out] _mesh data::mesh structure to fill with cell normals.
*/
SIGHT_GEOMETRY_DATA_API static void generate_point_normals(sight::data::mesh::sptr _mesh);
/**
* @brief Shake point Normals.
*
* @param[out] _mesh data::mesh structure to shake normals.
*/
SIGHT_GEOMETRY_DATA_API static void shake_point_normals(sight::data::mesh::sptr _mesh);
/**
* @brief Shake cell Normals.
*
* @param[out] _mesh data::mesh structure to shake normals.
*/
SIGHT_GEOMETRY_DATA_API static void shake_cell_normals(sight::data::mesh::sptr _mesh);
/**
* @brief Shake points of the mesh.
*
* @param[out] _mesh data::mesh structure to shake.
*/
SIGHT_GEOMETRY_DATA_API static void shake_point(sight::data::mesh::sptr _mesh);
/**
* @brief Colorize mesh (vertex point color).
*
* @param[in] _mesh data::mesh mesh structure to colorize.
*/
SIGHT_GEOMETRY_DATA_API static void colorize_mesh_points(sight::data::mesh::sptr _mesh);
/**
* @brief Colorize mesh (cell color).
*
* @param[in] _mesh data::mesh mesh structure to colorize.
*/
SIGHT_GEOMETRY_DATA_API static void colorize_mesh_cells(sight::data::mesh::sptr _mesh);
/// Apply a transformation 4x4 from an input mesh to an output mesh
SIGHT_GEOMETRY_DATA_API static void transform(
sight::data::mesh::csptr _in_mesh,
sight::data::mesh::sptr _out_mesh,
const sight::data::matrix4& _t
);
/// Apply a transformation 4x4 on a mesh
SIGHT_GEOMETRY_DATA_API static void transform(sight::data::mesh::sptr _mesh, const sight::data::matrix4& _t);
/**
* @brief Colorize the mesh points with the given color
* @pre point color array must be allocated
* @pre mesh must only contain triangle
*/
SIGHT_GEOMETRY_DATA_API static void colorize_mesh_points(
const sight::data::mesh::sptr& _mesh,
std::uint8_t _color_r,
std::uint8_t _color_g,
std::uint8_t _color_b,
std::uint8_t _color_a = 255
);
/**
* @brief Colorize the mesh points associated to the triangle in _vectorNumTriangle
* @pre point color array must be allocated
* @pre mesh must only contain triangle
*/
SIGHT_GEOMETRY_DATA_API static void colorize_mesh_points(
const sight::data::mesh::sptr& _mesh,
const std::vector<std::size_t>& _vector_num_triangle,
std::uint8_t _color_r,
std::uint8_t _color_g,
std::uint8_t _color_b,
std::uint8_t _color_a = 255
);
/**
* @brief Colorize the mesh cells with the given rgb color
* @pre cell color array must be allocated
* @pre mesh must only contain triangle
*/
SIGHT_GEOMETRY_DATA_API static void colorize_mesh_cells(
const sight::data::mesh::sptr& _mesh,
std::uint8_t _color_r,
std::uint8_t _color_g,
std::uint8_t _color_b,
std::uint8_t _color_a = 255
);
/**
* @brief Colorize the cells in vectorNumTriangle
* @pre cell color array must be allocated
* @pre mesh must only contain triangle
*/
SIGHT_GEOMETRY_DATA_API static void colorize_mesh_cells(
const sight::data::mesh::sptr& _mesh,
const std::vector<std::size_t>& _triangle_index_vector,
std::uint8_t _color_r,
std::uint8_t _color_g,
std::uint8_t _color_b,
std::uint8_t _color_a = 255
);
/*!
* @brief Return true if the mesh is closed.
* The result is computed for each call.
*/
SIGHT_GEOMETRY_DATA_API static bool is_closed(const sight::data::mesh::csptr& _mesh);
/**
* @brief Verify if the point is inside the Axis-aligned bounding box.
* @param _point : The coordinates of the point to be tested.
* @param _box : The coordinates of the bounding box.
* @return true if the point is inside the Axis-aligned bounding box false otherwise.
*/
SIGHT_GEOMETRY_DATA_API static bool is_inside_bounding_box(
const sight::vec3d_t& _point,
const sight::data::mesh::axis_aligned_box_t& _box
);
/**
* @brief Merge a point into an Axis-aligned bounding box.
* @param _point : The coordinates of the point to be merged.
* @param _box : The coordinates of the bounding box.
* @return The merged Axis-aligned bounding box.
*/
SIGHT_GEOMETRY_DATA_API static sight::data::mesh::axis_aligned_box_t merge_bounding_box(
const sight::vec3f_t& _point,
const sight::data::mesh::axis_aligned_box_t& _box
);
};
} // namespace sight::geometry::data
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