2 // Copyright 2013 Christian Henning
4 // Distributed under the Boost Software License, Version 1.0
5 // See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt
8 #define BOOST_TEST_MODULE jpeg_test
9 #define BOOST_FILESYSTEM_VERSION 3
10 #define BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
12 #include <boost/gil.hpp>
13 #include <boost/gil/extension/io/jpeg.hpp>
15 #include <boost/mp11.hpp>
16 #include <boost/test/unit_test.hpp>
20 #include "mandel_view.hpp"
22 #include "subimage_test.hpp"
24 using namespace boost
;
27 using tag_t
= jpeg_tag
;
29 BOOST_AUTO_TEST_SUITE( gil_io_jpeg_tests
)
31 #ifdef BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
33 BOOST_AUTO_TEST_CASE( read_image_info_test
)
37 using backend_t
= get_reader_backend
43 backend_t backend
= read_image_info( jpeg_filename
47 BOOST_CHECK_EQUAL( backend
._info
._width
, 1000u );
48 BOOST_CHECK_EQUAL( backend
._info
._height
, 600u );
52 std::ifstream
in( jpeg_filename
.c_str(), ios::binary
);
54 using backend_t
= get_reader_backend
<std::ifstream
, tag_t
>::type
;
56 backend_t backend
= read_image_info( in
60 BOOST_CHECK_EQUAL( backend
._info
._width
, 1000u );
61 BOOST_CHECK_EQUAL( backend
._info
._height
, 600u );
65 FILE* file
= fopen( jpeg_filename
.c_str(), "rb" );
67 using backend_t
= get_reader_backend
<FILE*, tag_t
>::type
;
69 backend_t backend
= boost::gil::read_image_info( file
73 BOOST_CHECK_EQUAL( backend
._info
._width
, 1000u );
74 BOOST_CHECK_EQUAL( backend
._info
._height
, 600u );
78 using backend_t
= get_reader_backend
<boost::filesystem::path
, tag_t
>::type
;
81 boost::gil::read_image_info(
82 boost::filesystem::path(jpeg_filename
),
85 BOOST_CHECK_EQUAL( backend
._info
._width
, 1000u );
86 BOOST_CHECK_EQUAL( backend
._info
._height
, 600u );
90 BOOST_AUTO_TEST_CASE( read_image_test
)
94 read_image( jpeg_filename
, img
, tag_t() );
96 BOOST_CHECK_EQUAL( img
.width() , 1000u );
97 BOOST_CHECK_EQUAL( img
.height(), 600u );
101 std::ifstream
in( jpeg_filename
.c_str(), ios::binary
);
104 read_image( in
, img
, tag_t() );
106 BOOST_CHECK_EQUAL( img
.width() , 1000u );
107 BOOST_CHECK_EQUAL( img
.height(), 600u );
111 FILE* file
= fopen( jpeg_filename
.c_str(), "rb" );
114 read_image( file
, img
, tag_t() );
116 BOOST_CHECK_EQUAL( img
.width() , 1000u );
117 BOOST_CHECK_EQUAL( img
.height(), 600u );
123 image_read_settings
< jpeg_tag
> settings( point_t( 0, 0 )
125 , jpeg_dct_method::slow
128 read_image( jpeg_filename
, img
, settings
);
130 BOOST_CHECK_EQUAL( img
.width() , 10u );
131 BOOST_CHECK_EQUAL( img
.height(), 10u );
136 BOOST_AUTO_TEST_CASE( read_and_convert_image_test
)
140 read_and_convert_image( jpeg_filename
, img
, tag_t() );
144 std::ifstream
in( jpeg_filename
.c_str(), ios::binary
);
147 read_and_convert_image( in
, img
, tag_t() );
151 BOOST_AUTO_TEST_CASE( read_view_test
)
154 rgb8_image_t
img( 1000, 600 );
155 read_view( jpeg_filename
, view( img
), tag_t() );
159 std::ifstream
in( jpeg_filename
.c_str(), ios::binary
);
161 rgb8_image_t
img( 1000, 600 );
162 read_view( in
, view( img
), tag_t() );
166 FILE* file
= fopen( jpeg_filename
.c_str(), "rb" );
168 rgb8_image_t
img( 1000, 600 );
169 read_view( file
, view( img
), tag_t() );
172 BOOST_AUTO_TEST_CASE( read_and_convert_view_test
)
175 rgb8_image_t
img( 1000, 600 );
176 read_and_convert_view( jpeg_filename
, view( img
), tag_t() );
180 std::ifstream
in( jpeg_filename
.c_str(), ios::binary
);
182 rgb8_image_t
img( 1000, 600 );
183 read_and_convert_view( in
, view( img
), tag_t() );
187 FILE* file
= fopen( jpeg_filename
.c_str(), "rb" );
189 rgb8_image_t
img( 1000, 600 );
190 read_and_convert_view( file
197 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
198 BOOST_AUTO_TEST_CASE( write_view_test
)
201 std::string
filename( jpeg_out
+ "write_test_string.jpg" );
204 , create_mandel_view( 320, 240
205 , rgb8_pixel_t( 0, 0, 255 )
206 , rgb8_pixel_t( 0, 255, 0 )
213 std::string
filename( jpeg_out
+ "write_test_ofstream.jpg" );
214 std::ofstream
out( filename
.c_str(), ios::binary
);
217 , create_mandel_view( 320, 240
218 , rgb8_pixel_t( 0, 0, 255 )
219 , rgb8_pixel_t( 0, 255, 0 )
226 std::string
filename( jpeg_out
+ "write_test_file.jpg" );
227 FILE* file
= fopen( filename
.c_str(), "wb" );
230 , create_mandel_view( 320, 240
231 , rgb8_pixel_t( 0, 0, 255 )
232 , rgb8_pixel_t( 0, 255, 0 )
239 std::string
filename( jpeg_out
+ "write_test_info.jpg" );
240 FILE* file
= fopen( filename
.c_str(), "wb" );
242 image_write_info
< jpeg_tag
> info
;
244 , create_mandel_view( 320, 240
245 , rgb8_pixel_t( 0, 0, 255 )
246 , rgb8_pixel_t( 0, 255, 0 )
252 #endif //BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
254 BOOST_AUTO_TEST_CASE( stream_test
)
257 std::ifstream
in( jpeg_filename
.c_str(), ios::binary
);
260 read_image( in
, img
, tag_t() );
262 // 2. Write image to in-memory buffer.
263 std::stringstream
out_buffer( ios_base::in
| ios_base::out
| ios_base::binary
);
264 write_view( out_buffer
, view( img
), tag_t() );
266 // 3. Copy in-memory buffer to another.
267 std::stringstream
in_buffer( ios_base::in
| ios_base::out
| ios_base::binary
);
268 in_buffer
<< out_buffer
.rdbuf();
270 // 4. Read in-memory buffer to gil image
272 read_image( in_buffer
, dst
, tag_t() );
274 // 5. Write out image.
275 std::string
filename( jpeg_out
+ "stream_test.jpg" );
276 std::ofstream
out( filename
.c_str(), ios_base::binary
);
277 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
278 write_view( out
, view( dst
), tag_t() );
279 #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
282 BOOST_AUTO_TEST_CASE( stream_test_2
)
285 if( !in_buf
.open( jpeg_filename
.c_str(), ios::in
| ios::binary
) )
287 BOOST_CHECK( false );
290 std::istream
in( &in_buf
);
293 read_image( in
, img
, tag_t() );
296 BOOST_AUTO_TEST_CASE( subimage_test
)
298 run_subimage_test
< rgb8_image_t
, tag_t
>( jpeg_filename
303 run_subimage_test
< rgb8_image_t
, tag_t
>( jpeg_filename
309 BOOST_AUTO_TEST_CASE( dynamic_image_test
)
311 using my_img_types
= mp11::mp_list
320 any_image
< my_img_types
> runtime_image
;
322 read_image( jpeg_filename
.c_str()
327 #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
328 write_view( jpeg_out
+ "old_dynamic_image_test.jpg"
329 , view( runtime_image
)
332 #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
335 #endif // BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
337 BOOST_AUTO_TEST_SUITE_END()