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/*
Copyright 2007-2012 Christian Henning, Andreas Pokorny, Lubomir Bourdev
Use, modification and distribution are subject to 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_READ_AND_CONVERT_IMAGE_HPP
#define BOOST_GIL_IO_READ_AND_CONVERT_IMAGE_HPP
////////////////////////////////////////////////////////////////////////////////////////
/// \file
/// \brief
/// \author Christian Henning, Andreas Pokorny, Lubomir Bourdev \n
///
/// \date 2007-2012 \n
///
////////////////////////////////////////////////////////////////////////////////////////
#include <boost/type_traits/is_base_and_derived.hpp>
#include <boost/mpl/and.hpp>
#include <boost/utility/enable_if.hpp>
#include <boost/gil/io/base.hpp>
#include <boost/gil/io/device.hpp>
#include <boost/gil/io/path_spec.hpp>
#include <boost/gil/io/conversion_policies.hpp>
namespace boost{ namespace gil {
/// \ingroup IO
/// \brief Reads and color-converts an image. Image memory is allocated.
/// \param reader An image reader.
/// \param img The image in which the data is read into.
/// \param settings Specifies read settings depending on the image format.
/// \param cc Color converter function object.
/// \throw std::ios_base::failure
template< typename Reader
, typename Image
>
inline
void read_and_convert_image( Reader& reader
, Image& img
, typename enable_if< mpl::and_< detail::is_reader< Reader >
, is_format_tag< typename Reader::format_tag_t >
>
>::type* /* ptr */ = 0
)
{
reader.init_image( img
, reader._settings
);
reader.apply( view( img ));
}
/// \brief Reads and color-converts an image. Image memory is allocated.
/// \param device Must satisfy is_input_device metafunction.
/// \param img The image in which the data is read into.
/// \param settings Specifies read settings depending on the image format.
/// \param cc Color converter function object.
/// \throw std::ios_base::failure
template< typename Device
, typename Image
, typename ColorConverter
, typename FormatTag
>
inline
void read_and_convert_image( Device& device
, Image& img
, const image_read_settings< FormatTag >& settings
, const ColorConverter& cc
, typename enable_if< mpl::and_< detail::is_read_device< FormatTag
, Device
>
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< Device
, FormatTag
, detail::read_and_convert< ColorConverter >
>::type reader_t;
reader_t reader = make_reader( device
, settings
, detail::read_and_convert< ColorConverter >( cc )
);
read_and_convert_image( reader
, img
);
}
/// \brief Reads and color-converts an image. Image memory is allocated.
/// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
/// \param img The image in which the data is read into.
/// \param settings Specifies read settings depending on the image format.
/// \param cc Color converter function object.
/// \throw std::ios_base::failure
template < typename String
, typename Image
, typename ColorConverter
, typename FormatTag
>
inline
void read_and_convert_image( const String& file_name
, Image& img
, const image_read_settings< FormatTag >& settings
, const ColorConverter& cc
, typename enable_if< mpl::and_< is_format_tag< FormatTag >
, detail::is_supported_path_spec< String >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< String
, FormatTag
, detail::read_and_convert< ColorConverter >
>::type reader_t;
reader_t reader = make_reader( file_name
, settings
, detail::read_and_convert< ColorConverter >( cc )
);
read_and_convert_image( reader
, img
);
}
/// \brief Reads and color-converts an image. Image memory is allocated.
/// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
/// \param img The image in which the data is read into.
/// \param cc Color converter function object.
/// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
/// \throw std::ios_base::failure
template < typename String
, typename Image
, typename ColorConverter
, typename FormatTag
>
inline
void read_and_convert_image( const String& file_name
, Image& img
, const ColorConverter& cc
, const FormatTag& tag
, typename enable_if< mpl::and_< is_format_tag< FormatTag >
, detail::is_supported_path_spec< String >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< String
, FormatTag
, detail::read_and_convert< ColorConverter >
>::type reader_t;
reader_t reader = make_reader( file_name
, tag
, detail::read_and_convert< ColorConverter >( cc )
);
read_and_convert_image( reader
, img
);
}
/// \brief Reads and color-converts an image. Image memory is allocated.
/// \param device Must satisfy is_input_device metafunction or is_adaptable_input_device.
/// \param img The image in which the data is read into.
/// \param cc Color converter function object.
/// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
/// \throw std::ios_base::failure
template < typename Device
, typename Image
, typename ColorConverter
, typename FormatTag
>
inline
void read_and_convert_image( Device& device
, Image& img
, const ColorConverter& cc
, const FormatTag& tag
, typename enable_if< mpl::and_< detail::is_read_device< FormatTag
, Device
>
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< Device
, FormatTag
, detail::read_and_convert< ColorConverter >
>::type reader_t;
reader_t reader = make_reader( device
, tag
, detail::read_and_convert< ColorConverter >( cc )
);
read_and_convert_image( reader
, img
);
}
/// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
/// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
/// \param img The image in which the data is read into.
/// \param settings Specifies read settings depending on the image format.
/// \throw std::ios_base::failure
template < typename String
, typename Image
, typename FormatTag
>
inline
void read_and_convert_image( const String& file_name
, Image& img
, const image_read_settings< FormatTag >& settings
, typename enable_if< mpl::and_< is_format_tag< FormatTag >
, detail::is_supported_path_spec< String >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< String
, FormatTag
, detail::read_and_convert< default_color_converter >
>::type reader_t;
reader_t reader = make_reader( file_name
, settings
, detail::read_and_convert< default_color_converter >()
);
read_and_convert_image( reader
, img
);
}
/// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
/// \param device It's a device. Must satisfy is_input_device metafunction or is_adaptable_input_device.
/// \param img The image in which the data is read into.
/// \param settings Specifies read settings depending on the image format.
/// \throw std::ios_base::failure
template < typename Device
, typename Image
, typename FormatTag
>
inline
void read_and_convert_image( Device& device
, Image& img
, const image_read_settings< FormatTag >& settings
, typename enable_if< mpl::and_< detail::is_read_device< FormatTag
, Device
>
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< Device
, FormatTag
, detail::read_and_convert< default_color_converter >
>::type reader_t;
reader_t reader = make_reader( device
, settings
, detail::read_and_convert< default_color_converter >()
);
read_and_convert_image( reader
, img
);
}
/// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
/// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
/// \param img The image in which the data is read into.
/// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
/// \throw std::ios_base::failure
template < typename String
, typename Image
, typename FormatTag
>
inline
void read_and_convert_image( const String& file_name
, Image& img
, const FormatTag& tag
, typename enable_if< mpl::and_< is_format_tag< FormatTag >
, detail::is_supported_path_spec< String >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< String
, FormatTag
, detail::read_and_convert< default_color_converter >
>::type reader_t;
reader_t reader = make_reader( file_name
, tag
, detail::read_and_convert< default_color_converter >()
);
read_and_convert_image( reader
, img
);
}
/// \brief Reads and color-converts an image. Image memory is allocated. Default color converter is used.
/// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
/// \param img The image in which the data is read into.
/// \param tag Defines the image format. Must satisfy is_format_tag metafunction.
/// \throw std::ios_base::failure
template < typename Device
, typename Image
, typename FormatTag
>
inline
void read_and_convert_image( Device& device
, Image& img
, const FormatTag& tag
, typename enable_if< mpl::and_< detail::is_read_device< FormatTag
, Device
>
, is_format_tag< FormatTag >
>
>::type* /* ptr */ = 0
)
{
typedef typename get_reader< Device
, FormatTag
, detail::read_and_convert< default_color_converter >
>::type reader_t;
reader_t reader = make_reader( device
, tag
, detail::read_and_convert< default_color_converter >()
);
read_and_convert_image( reader
, img
);
}
} // namespace gil
} // namespace boost
#endif
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