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/************************************************************************
*
* Copyright (C) 2017-2025 IRCAD France
* Copyright (C) 2017-2020 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/filter/image/config.hpp>
#include <data/image.hpp>
#include <data/matrix4.hpp>
#include <filter/image/types.hpp>
#include <optional>
namespace sight::filter::image
{
/**
* @brief The resampler class
*/
class SIGHT_FILTER_IMAGE_CLASS_API resampler
{
public:
using parameters_t = std::tuple<data::image::size_t,
data::image::origin_t,
data::image::orientation_t,
data::image::spacing_t,
filter::image::interpolation_t>;
/**
* @brief transforms and resamples an image using ITK.
* @param[in] _in_image the input data::image.
* @param[out] _out_image the resulting transformed image.
* @param[in] _trf transform applied to the input.
* @param[in] _parameters set the desired origin, spacing, size and interpolation.
*/
static SIGHT_FILTER_IMAGE_API void resample(
const data::image::csptr& _in_image,
const data::image::sptr& _out_image,
const data::matrix4::csptr& _trf,
std::optional<parameters_t> _parameters = std::nullopt
);
/**
* @brief transforms and resamples the image into a new grid big enough so it won't crop the input image.
* @param _img image to resample.
* @param _trf transform applied to the image.
* @param _output_spacing desired sampling rate.
* @return resampled image.
*/
static SIGHT_FILTER_IMAGE_API data::image::sptr resample(
const data::image::csptr& _img,
const data::matrix4::csptr& _trf,
const data::image::spacing_t& _output_spacing,
filter::image::interpolation_t _interpolation = filter::image::interpolation_t::LINEAR
);
};
} // namespace sight::filter::image
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