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/*
Copyright 2012 Christian Henning
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_EXTENSION_IO_RAW_DETAIL_READER_BACKEND_HPP
#define BOOST_GIL_EXTENSION_IO_RAW_DETAIL_READER_BACKEND_HPP
////////////////////////////////////////////////////////////////////////////////////////
/// \file
/// \brief
/// \author Christian Henning \n
///
/// \date 2012 \n
///
////////////////////////////////////////////////////////////////////////////////////////
#include <boost/gil/extension/io/raw/tags.hpp>
namespace boost { namespace gil {
#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
#pragma warning(push)
#pragma warning(disable:4512) //assignment operator could not be generated
#endif
///
/// RAW Backend
///
template< typename Device >
struct reader_backend< Device
, raw_tag
>
{
public:
typedef raw_tag format_tag_t;
public:
reader_backend( const Device& io_dev
, const image_read_settings< raw_tag >& settings
)
: _io_dev ( io_dev )
, _settings( settings )
, _info()
, _scanline_length( 0 )
{
read_header();
if( _settings._dim.x == 0 )
{
_settings._dim.x = _info._width;
}
if( _settings._dim.y == 0 )
{
_settings._dim.y = _info._height;
}
}
void read_header()
{
_io_dev.get_mem_image_format( &_info._width
, &_info._height
, &_info._samples_per_pixel
, &_info._bits_per_pixel
);
// iparams
_info._camera_manufacturer = _io_dev.get_camera_manufacturer();
_info._camera_model = _io_dev.get_camera_model();
_info._raw_images_count = _io_dev.get_raw_count();
_info._dng_version = _io_dev.get_dng_version();
_info._number_colors = _io_dev.get_colors();
//_io_dev.get_filters();
_info._colors_description = _io_dev.get_cdesc();
// image_sizes
_info._raw_width = _io_dev.get_raw_width();
_info._raw_height = _io_dev.get_raw_height();
_info._visible_width = _io_dev.get_image_width();
_info._visible_height = _io_dev.get_image_height();
_info._top_margin = _io_dev.get_top_margin();
_info._left_margin = _io_dev.get_left_margin();
_info._output_width = _io_dev.get_iwidth();
_info._output_height = _io_dev.get_iheight();
_info._pixel_aspect = _io_dev.get_pixel_aspect();
_info._flip = _io_dev.get_flip();
// imgother
_info._iso_speed = _io_dev.get_iso_speed();
_info._shutter = _io_dev.get_shutter();
_info._aperture = _io_dev.get_aperture();
_info._focal_length = _io_dev.get_focal_len();
_info._timestamp = _io_dev.get_timestamp();
_info._shot_order = static_cast< uint16_t >( _io_dev.get_shot_order() );
//_io_dev.get_gpsdata();
_info._image_description = _io_dev.get_desc();
_info._artist = _io_dev.get_artist();
_info._libraw_version = _io_dev.get_version();
_info._valid = true;
}
/// Check if image is large enough.
void check_image_size( const point_t& img_dim )
{
if( _settings._dim.x > 0 )
{
if( img_dim.x < _settings._dim.x ) { io_error( "Supplied image is too small" ); }
}
else
{
if( img_dim.x < _info._width ) { io_error( "Supplied image is too small" ); }
}
if( _settings._dim.y > 0 )
{
if( img_dim.y < _settings._dim.y ) { io_error( "Supplied image is too small" ); }
}
else
{
if( img_dim.y < _info._height ) { io_error( "Supplied image is too small" ); }
}
}
public:
Device _io_dev;
image_read_settings< raw_tag > _settings;
image_read_info< raw_tag > _info;
std::size_t _scanline_length;
};
#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
#pragma warning(pop)
#endif
} // namespace gil
} // namespace boost
#endif
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