110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
|
//
|
||
|
|
// Copyright 2007-2008 Christian Henning, Andreas Pokorny, Lubomir Bourdev
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0
|
||
|
|
// See accompanying file LICENSE_1_0.txt or copy at
|
||
|
|
// http://www.boost.org/LICENSE_1_0.txt
|
||
|
|
//
|
||
|
|
#ifndef BOOST_GIL_IO_BASE_HPP
|
||
|
|
#define BOOST_GIL_IO_BASE_HPP
|
||
|
|
|
||
|
|
#include <boost/gil/extension/toolbox/toolbox.hpp>
|
||
|
|
|
||
|
|
#include <boost/gil/bit_aligned_pixel_reference.hpp>
|
||
|
|
#include <boost/gil/bit_aligned_pixel_iterator.hpp>
|
||
|
|
#include <boost/gil/color_convert.hpp>
|
||
|
|
#include <boost/gil/utilities.hpp>
|
||
|
|
#include <boost/gil/io/error.hpp>
|
||
|
|
#include <boost/gil/io/typedefs.hpp>
|
||
|
|
|
||
|
|
#include <istream>
|
||
|
|
#include <ostream>
|
||
|
|
#include <type_traits>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace boost { namespace gil {
|
||
|
|
|
||
|
|
struct format_tag {};
|
||
|
|
|
||
|
|
template< typename Property >
|
||
|
|
struct property_base
|
||
|
|
{
|
||
|
|
using type = Property;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<typename FormatTag>
|
||
|
|
struct is_format_tag : std::is_base_of<format_tag, FormatTag> {};
|
||
|
|
|
||
|
|
struct image_read_settings_base
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
|
||
|
|
image_read_settings_base()
|
||
|
|
: _top_left( 0, 0 )
|
||
|
|
, _dim ( 0, 0 )
|
||
|
|
{}
|
||
|
|
|
||
|
|
image_read_settings_base( point_t const& top_left
|
||
|
|
, point_t const& dim
|
||
|
|
)
|
||
|
|
: _top_left( top_left )
|
||
|
|
, _dim ( dim )
|
||
|
|
{}
|
||
|
|
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
void set( point_t const& top_left
|
||
|
|
, point_t const& dim
|
||
|
|
)
|
||
|
|
{
|
||
|
|
_top_left = top_left;
|
||
|
|
_dim = dim;
|
||
|
|
}
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
point_t _top_left;
|
||
|
|
point_t _dim;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Boolean meta function, std::true_type if the pixel type \a PixelType is supported
|
||
|
|
* by the image format identified with \a FormatTag.
|
||
|
|
* \todo the name is_supported is to generic, pick something more IO realted.
|
||
|
|
*/
|
||
|
|
// Depending on image type the parameter Pixel can be a reference type
|
||
|
|
// for bit_aligned images or a pixel for byte images.
|
||
|
|
template< typename Pixel, typename FormatTag > struct is_read_supported {};
|
||
|
|
template< typename Pixel, typename FormatTag > struct is_write_supported {};
|
||
|
|
|
||
|
|
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
template< typename Property >
|
||
|
|
struct property_base
|
||
|
|
{
|
||
|
|
using type = Property;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
|
||
|
|
struct read_support_true { static constexpr bool is_supported = true; };
|
||
|
|
struct read_support_false { static constexpr bool is_supported = false; };
|
||
|
|
struct write_support_true { static constexpr bool is_supported = true; };
|
||
|
|
struct write_support_false{ static constexpr bool is_supported = false; };
|
||
|
|
|
||
|
|
class no_log {};
|
||
|
|
|
||
|
|
template< typename Device, typename FormatTag > struct reader_backend;
|
||
|
|
template< typename Device, typename FormatTag > struct writer_backend;
|
||
|
|
|
||
|
|
template< typename FormatTag > struct image_read_info;
|
||
|
|
template< typename FormatTag > struct image_read_settings;
|
||
|
|
template< typename FormatTag, typename Log = no_log > struct image_write_info;
|
||
|
|
|
||
|
|
} // namespace gil
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif
|