//
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// Copyright 2005-2007 Adobe Systems Incorporated
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#ifndef BOOST_GIL_CONCEPTS_DYNAMIC_STEP_HPP
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#define BOOST_GIL_CONCEPTS_DYNAMIC_STEP_HPP
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#include <boost/gil/concepts/fwd.hpp>
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#include <boost/gil/concepts/concept_check.hpp>
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#if defined(BOOST_CLANG)
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunknown-pragmas"
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#pragma clang diagnostic ignored "-Wunused-local-typedefs"
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#endif
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#if defined(BOOST_GCC) && (BOOST_GCC >= 40900)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
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#endif
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namespace boost { namespace gil {
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/// \ingroup PixelIteratorConcept
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/// \brief Concept for iterators, locators and views that can define a type just like the given
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/// iterator, locator or view, except it supports runtime specified step along the X navigation.
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///
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/// \code
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/// concept HasDynamicXStepTypeConcept<typename T>
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/// {
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/// typename dynamic_x_step_type<T>;
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/// where Metafunction<dynamic_x_step_type<T> >;
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/// };
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/// \endcode
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template <typename T>
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struct HasDynamicXStepTypeConcept
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{
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void constraints()
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{
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using type = typename dynamic_x_step_type<T>::type;
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ignore_unused_variable_warning(type{});
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}
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};
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/// \ingroup PixelLocatorConcept
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/// \brief Concept for locators and views that can define a type just like the given locator or view,
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/// except it supports runtime specified step along the Y navigation
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/// \code
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/// concept HasDynamicYStepTypeConcept<typename T>
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/// {
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/// typename dynamic_y_step_type<T>;
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/// where Metafunction<dynamic_y_step_type<T> >;
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/// };
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/// \endcode
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template <typename T>
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struct HasDynamicYStepTypeConcept
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{
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void constraints()
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{
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using type = typename dynamic_y_step_type<T>::type;
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ignore_unused_variable_warning(type{});
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}
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};
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}} // namespace boost::gil
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#if defined(BOOST_CLANG)
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#pragma clang diagnostic pop
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#endif
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#if defined(BOOST_GCC) && (BOOST_GCC >= 40900)
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#pragma GCC diagnostic pop
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#endif
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#endif
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