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/************************************************************************
*
* Copyright (C) 2014-2025 IRCAD France
* Copyright (C) 2014-2019 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 <data/integer.hpp>
#include <data/matrix4.hpp>
#include <service/controller.hpp>
namespace sight::module::geometry
{
/**
* @brief Switches between several matrices.
*
* @section Slots Slots
* - \b switch_matrix() : Each time the slot switchMatrix() is called the next matrix given in the configuration is
* copied on the matrix bound
* to the service
*
* @section XML XML Configuration
*
* @code{.xml}
<service uid="..." type="sight::module::geometry::switch_matrices" auto_connect="true">
<in group="matrix">
<key uid="..." />
<key uid="..." />
</in>
<inout key="output" uid="..." />
<properties index="0" />
</service>
@endcode
* @subsection Input Input:
* - \b matrix [sight::data::matrix4]: List of two matrices keys to switch.
* @subsection In-Out In-Out:
* - \b output [sight::data::matrix4]: Output matrix.
*
* @subsection Properties Properties:
* - \b index [sight::data::integer]: Index of the matrix to use.
*/
class switch_matrices : public service::controller
{
public:
SIGHT_DECLARE_SERVICE(switch_matrices, service::controller);
struct slots
{
static inline const core::com::slots::key_t SWITCH = "switch_matrix";
};
switch_matrices() noexcept;
~switch_matrices() noexcept override = default;
protected:
/// This method is used to configure the service.
void configuring() override;
/// This method is used to initialize the service.
void starting() override;
/// Does nothing.
void stopping() override;
/// Does nothing.
void updating() override;
/// Switch to next Matrix
void switch_matrix();
connections_t auto_connections() const override;
private:
data::ptr_vector<data::matrix4, data::access::in> m_matrix {this, "matrix"};
data::ptr<data::matrix4, data::access::inout> m_output {this, "output"};
data::property<data::integer> m_current_index {this, "index", 0};
};
} //namespace sight::module::geometry
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