/*

Copyright (C) 2017-2026 Topological Manifold

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#pragma once

#include "constant.h"

#include <cmath>

namespace ns

{

template <typename T>

[[nodiscard]] int points_to_pixels(const T points, const T pixels_per_inch)

{

static_assert(std::is_floating_point_v<T>);

return std::lround(points / 72 * pixels_per_inch);

}

template <typename T>

[[nodiscard]] int millimeters_to_pixels(const T millimeters, const T pixels_per_inch)

{

static_assert(std::is_floating_point_v<T>);

return std::lround(millimeters / T{25.4L} * pixels_per_inch);

}

template <typename T>

[[nodiscard]] constexpr T pixels_to_millimeters(const T pixels, const T pixels_per_inch)

{

static_assert(std::is_floating_point_v<T>);

return pixels / pixels_per_inch * T{25.4L};

}

template <typename T>

[[nodiscard]] constexpr T size_to_ppi(const T size_in_mm, const unsigned size_in_pixels)

{

static_assert(std::is_floating_point_v<T>);

return size_in_pixels / size_in_mm * T{25.4L};

}

template <typename T>

[[nodiscard]] constexpr T radians_to_degrees(const T angle)

{

static_assert(std::is_floating_point_v<T>);

return angle * (180 / PI<T>);

}

template <typename T>

[[nodiscard]] constexpr T degrees_to_radians(const T angle)

{

static_assert(std::is_floating_point_v<T>);

return angle * (PI<T> / 180);

}

template <typename T>

[[nodiscard]] constexpr T mps_to_kph(const T mps)

{

static_assert(std::is_floating_point_v<T>);

return mps * T{3.6L};

}

template <typename T>

[[nodiscard]] constexpr T kph_to_mps(const T kph)

{

static_assert(std::is_floating_point_v<T>);

return kph / T{3.6L};

}

}