mirror of
https://github.com/bolero-MURAKAMI/Sprout
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49 lines
1.8 KiB
C++
49 lines
1.8 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2017 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_DARKROOM_CAMERAS_CALCULATE_HPP
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#define SPROUT_DARKROOM_CAMERAS_CALCULATE_HPP
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#include <sprout/config.hpp>
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#include <sprout/type_traits/identity.hpp>
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namespace sprout {
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namespace darkroom {
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namespace cameras {
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//
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// calculate_result
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//
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template<typename Camera, typename Unit2D>
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struct calculate_result
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: public sprout::identity<typename Camera::ray_type>
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{};
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template<typename Camera, typename Unit2D>
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struct calculate_result<Camera const, Unit2D>
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: public sprout::darkroom::cameras::calculate_result<Camera, Unit2D>
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{};
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template<typename Camera, typename Unit2D>
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struct calculate_result<Camera volatile, Unit2D>
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: public sprout::darkroom::cameras::calculate_result<Camera, Unit2D>
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{};
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template<typename Camera, typename Unit2D>
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struct calculate_result<Camera const volatile, Unit2D>
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: public sprout::darkroom::cameras::calculate_result<Camera, Unit2D>
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{};
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//
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// calculate
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//
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template<typename Camera, typename Unit2D>
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inline SPROUT_CONSTEXPR typename sprout::darkroom::cameras::calculate_result<Camera, Unit2D>::type
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calculate(Camera const& camera, Unit2D const& x, Unit2D const& y, Unit2D const& width, Unit2D const& height) {
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return camera(x, y, width, height);
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}
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} // namespace cameras
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} // namespace darkroom
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} // namespace sprout
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#endif // #ifndef SPROUT_DARKROOM_CAMERAS_CALCULATE_HPP
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