//
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// Copyright 2007-2008 Christian Henning, Andreas Pokorny, Lubomir Bourdev
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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_IO_BASE_HPP
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#define BOOST_GIL_IO_BASE_HPP
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#include <boost/gil/extension/toolbox/toolbox.hpp>
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#include <boost/gil/bit_aligned_pixel_reference.hpp>
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#include <boost/gil/bit_aligned_pixel_iterator.hpp>
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#include <boost/gil/color_convert.hpp>
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#include <boost/gil/utilities.hpp>
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#include <boost/gil/io/error.hpp>
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#include <boost/gil/io/typedefs.hpp>
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#include <istream>
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#include <ostream>
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#include <type_traits>
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#include <vector>
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namespace boost { namespace gil {
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struct format_tag {};
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template< typename Property >
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struct property_base
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{
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using type = Property;
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};
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template<typename FormatTag>
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struct is_format_tag : std::is_base_of<format_tag, FormatTag> {};
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struct image_read_settings_base
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{
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protected:
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image_read_settings_base()
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: _top_left( 0, 0 )
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, _dim ( 0, 0 )
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{}
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image_read_settings_base( const point_t& top_left
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, const point_t& dim
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)
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: _top_left( top_left )
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, _dim ( dim )
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{}
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public:
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void set( const point_t& top_left
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, const point_t& dim
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)
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{
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_top_left = top_left;
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_dim = dim;
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}
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public:
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point_t _top_left;
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point_t _dim;
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};
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/**
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* Boolean meta function, std::true_type if the pixel type \a PixelType is supported
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* by the image format identified with \a FormatTag.
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* \todo the name is_supported is to generic, pick something more IO realted.
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*/
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// Depending on image type the parameter Pixel can be a reference type
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// for bit_aligned images or a pixel for byte images.
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template< typename Pixel, typename FormatTag > struct is_read_supported {};
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template< typename Pixel, typename FormatTag > struct is_write_supported {};
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namespace detail {
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template< typename Property >
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struct property_base
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{
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using type = Property;
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};
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} // namespace detail
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struct read_support_true { static constexpr bool is_supported = true; };
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struct read_support_false { static constexpr bool is_supported = false; };
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struct write_support_true { static constexpr bool is_supported = true; };
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struct write_support_false{ static constexpr bool is_supported = false; };
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class no_log {};
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template< typename Device, typename FormatTag > struct reader_backend;
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template< typename Device, typename FormatTag > struct writer_backend;
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template< typename FormatTag > struct image_read_info;
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template< typename FormatTag > struct image_read_settings;
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template< typename FormatTag, typename Log = no_log > struct image_write_info;
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} // namespace gil
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} // namespace boost
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#endif
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