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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 <core/com/helper/sig_slot_connection.hpp>
#include <core/macros.hpp>
#include <data/matrix4.hpp>
#include <data/mesh.hpp>
#include <ui/__/service.hpp>
namespace sight::module::viz::sample
{
/**
* @brief Render a 3D mesh.
*
* @section Slots Slots
* - \b update_cam_position(): update the camera position.
* - \b update_cam_transform(): send the signal cam_updated().
*
* @section Signals Signals
* - \b cam_updated(): emitted when the camera move.
*
* @section XML XML Configuration
* @code{.xml}
<service uid="..." type="sight::module::viz::sample::mesh" >
<in key="mesh" uid="..." />
</service>
*
* @subsection Input Input
* - \b mesh [sight::data::mesh]: mesh to display.
*/
class mesh : public sight::ui::service
{
public:
/// Generates default methods as New, dynamicCast, ...
SIGHT_DECLARE_SERVICE(mesh, sight::ui::service);
static const core::com::slots::key_t UPDATE_CAM_POSITION_SLOT;
static const core::com::signals::key_t CAM_UPDATED_SIG;
using cam_updated_signal_t = core::com::signal<void (data::matrix4::sptr)>;
/// Creates slots and the signal.
mesh() noexcept;
/// Destroys the service.
~mesh() noexcept override = default;
private:
/// Checks if the input mesh is autoconnect.
void configuring() override;
/// Registers and starts sub-services.
void starting() override;
/// Does nothing.
void updating() override;
/// Stops and unregisters sub-services.
void stopping() override;
private:
/// SLOT: receives new camera transform and update the camera.
void update_cam_position(data::matrix4::sptr _transform);
/// SLOT: receives new camera transform from the camera service and trigger the signal.
void update_cam_transform();
/// Contains the render service.
sight::service::base::sptr m_render_srv;
/// Contains the trackball interactor adaptor.
service::base::sptr m_interactor_srv;
/// Contains the mesh adaptor.
service::base::sptr m_mesh_srv;
/// Contains the camera adaptor.
service::base::sptr m_camera_srv;
/// Contains the transformation adaptor.
data::matrix4::sptr m_camera_transform;
/// Stores connection with the camera transform.
core::com::helper::sig_slot_connection m_connections;
data::ptr<data::mesh, data::access::in> m_mesh {this, "mesh"};
};
} // namespace sight::module::viz::sample.
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