1//
2// Copyright 2012 Olivier Tournaire
3// Copyright 2007 Christian Henning
4//
5// Distributed under the Boost Software License, Version 1.0
6// See accompanying file LICENSE_1_0.txt or copy at
7// http://www.boost.org/LICENSE_1_0.txt
8//
9#ifndef BOOST_GIL_EXTENSION_IO_RAW_DETAIL_DEVICE_HPP
10#define BOOST_GIL_EXTENSION_IO_RAW_DETAIL_DEVICE_HPP
11
12#include <boost/gil/extension/io/raw/tags.hpp>
13
14#include <boost/gil/io/base.hpp>
15#include <boost/gil/io/device.hpp>
16
17#include <memory>
18#include <string>
19#include <type_traits>
20
21namespace boost { namespace gil { namespace detail {
22
23class raw_device_base
24{
25public:
26
27 ///
28 /// Constructor
29 ///
30 raw_device_base()
31 : _processor_ptr( new LibRaw )
32 {}
33
34 // iparams getters
35 std::string get_camera_manufacturer() { return std::string(_processor_ptr.get()->imgdata.idata.make); }
36 std::string get_camera_model() { return std::string(_processor_ptr.get()->imgdata.idata.model); }
37 unsigned get_raw_count() { return _processor_ptr.get()->imgdata.idata.raw_count; }
38 unsigned get_dng_version() { return _processor_ptr.get()->imgdata.idata.dng_version; }
39 int get_colors() { return _processor_ptr.get()->imgdata.idata.colors; }
40 unsigned get_filters() { return _processor_ptr.get()->imgdata.idata.filters; }
41 std::string get_cdesc() { return std::string(_processor_ptr.get()->imgdata.idata.cdesc); }
42
43 // image_sizes getters
44 unsigned short get_raw_width() { return _processor_ptr.get()->imgdata.sizes.raw_width; }
45 unsigned short get_raw_height() { return _processor_ptr.get()->imgdata.sizes.raw_height; }
46 unsigned short get_image_width() { return _processor_ptr.get()->imgdata.sizes.width; }
47 unsigned short get_image_height() { return _processor_ptr.get()->imgdata.sizes.height; }
48 unsigned short get_top_margin() { return _processor_ptr.get()->imgdata.sizes.top_margin; }
49 unsigned short get_left_margin() { return _processor_ptr.get()->imgdata.sizes.left_margin; }
50 unsigned short get_iwidth() { return _processor_ptr.get()->imgdata.sizes.iwidth; }
51 unsigned short get_iheight() { return _processor_ptr.get()->imgdata.sizes.iheight; }
52 double get_pixel_aspect() { return _processor_ptr.get()->imgdata.sizes.pixel_aspect; }
53 int get_flip() { return _processor_ptr.get()->imgdata.sizes.flip; }
54
55 // colordata getters
56 // TODO
57
58 // imgother getters
59 float get_iso_speed() { return _processor_ptr.get()->imgdata.other.iso_speed; }
60 float get_shutter() { return _processor_ptr.get()->imgdata.other.shutter; }
61 float get_aperture() { return _processor_ptr.get()->imgdata.other.aperture; }
62 float get_focal_len() { return _processor_ptr.get()->imgdata.other.focal_len; }
63 time_t get_timestamp() { return _processor_ptr.get()->imgdata.other.timestamp; }
64 unsigned int get_shot_order() { return _processor_ptr.get()->imgdata.other.shot_order; }
65 unsigned* get_gpsdata() { return _processor_ptr.get()->imgdata.other.gpsdata; }
66 std::string get_desc() { return std::string(_processor_ptr.get()->imgdata.other.desc); }
67 std::string get_artist() { return std::string(_processor_ptr.get()->imgdata.other.artist); }
68
69 std::string get_version() { return std::string(_processor_ptr.get()->version()); }
70 std::string get_unpack_function_name() { return std::string(_processor_ptr.get()->unpack_function_name()); }
71
72 void get_mem_image_format(int *widthp, int *heightp, int *colorsp, int *bpp) { _processor_ptr.get()->get_mem_image_format(widthp, heightp, colorsp, bpp); }
73
74 int unpack() { return _processor_ptr.get()->unpack(); }
75 int dcraw_process() { return _processor_ptr.get()->dcraw_process(); }
76 libraw_processed_image_t* dcraw_make_mem_image(int* error_code=nullptr) { return _processor_ptr.get()->dcraw_make_mem_image(error_code); }
77
78protected:
79
80 using libraw_ptr_t = std::shared_ptr<LibRaw>;
81 libraw_ptr_t _processor_ptr;
82};
83
84/*!
85 *
86 * file_stream_device specialization for raw images
87 */
88template<>
89class file_stream_device< raw_tag > : public raw_device_base
90{
91public:
92
93 struct read_tag {};
94
95 ///
96 /// Constructor
97 ///
98 file_stream_device( std::string const& file_name
99 , read_tag = read_tag()
100 )
101 {
102 io_error_if( _processor_ptr.get()->open_file( file_name.c_str() ) != LIBRAW_SUCCESS
103 , "file_stream_device: failed to open file"
104 );
105 }
106
107 ///
108 /// Constructor
109 ///
110 file_stream_device( const char* file_name
111 , read_tag = read_tag()
112 )
113 {
114 io_error_if( _processor_ptr.get()->open_file( file_name ) != LIBRAW_SUCCESS
115 , "file_stream_device: failed to open file"
116 );
117 }
118};
119
120template< typename FormatTag >
121struct is_adaptable_input_device<FormatTag, LibRaw, void> : std::true_type
122{
123 using device_type = file_stream_device<FormatTag>;
124};
125
126
127} // namespace detail
128} // namespace gil
129} // namespace boost
130
131#endif
132

Provided by KDAB

Privacy Policy
Update your C++ knowledge – Modern C++11/14/17 Training
Find out more

source code of boost/libs/gil/include/boost/gil/extension/io/raw/detail/device.hpp