68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
//
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// Copyright 2019 Mateusz Loskot <mateusz at loskot dot net>
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//
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// Distribtted 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_TEST_UNIT_TEST_UTILITY_HPP
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#define BOOST_GIL_TEST_UNIT_TEST_UTILITY_HPP
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#include <boost/gil/color_base_algorithm.hpp> // static_for_each
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#include <boost/gil/pixel.hpp>
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#include <boost/gil/promote_integral.hpp>
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#include <boost/core/typeinfo.hpp>
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#include <cstdint>
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#include <ostream>
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namespace boost { namespace gil {
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namespace detail {
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struct print_color_base
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{
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std::ostream& os_;
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std::size_t element_index_{0};
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print_color_base(std::ostream& os) : os_(os) {}
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template <typename Element>
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void operator()(Element& c)
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{
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typename ::boost::gil::promote_integral<Element>::type const v(c);
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if (element_index_ > 0) os_ << ", ";
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os_ << "v" << element_index_ << "=" << v;
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++element_index_;
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}
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};
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} // namespace detail
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// Make `point` printable for BOOST_TEST()
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template <typename T>
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std::ostream& operator<<(std::ostream& os, point<T> const& p)
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{
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os << "point<" << boost::core::demangled_name(typeid(T)) << ">";
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os << "(" << p.x << ", " << p.y << ")" << std::endl;
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return os;
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}
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// Make `pixel` printable for BOOST_TEST()
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template <typename ChannelValue, typename Layout>
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std::ostream& operator<<(std::ostream& os, pixel<ChannelValue, Layout> const& p)
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{
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os << "pixel<"
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<< "Channel=" << boost::core::demangled_name(typeid(ChannelValue))
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<< ", Layout=" << boost::core::demangled_name(typeid(Layout))
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<< ">(";
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static_for_each(p, detail::print_color_base{os});
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os << ")" << std::endl;
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return os;
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}
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}} // namespace boost::gil
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#endif
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