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1 | // |
2 | // Copyright 2013 Christian Henning | |
3 | // | |
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 | |
7 | // | |
8 | //#define BOOST_TEST_MODULE pnm_read_test_module | |
9 | ||
10 | #include <boost/gil/extension/io/pnm.hpp> | |
11 | ||
12 | #include <boost/test/unit_test.hpp> | |
13 | ||
14 | #include "paths.hpp" | |
15 | #include "scanline_read_test.hpp" | |
16 | ||
17 | using namespace std; | |
18 | using namespace boost::gil; | |
19 | ||
20 | using tag_t = pnm_tag; | |
21 | ||
22 | BOOST_AUTO_TEST_SUITE( gil_io_pnm_tests ) | |
23 | ||
24 | #ifdef BOOST_GIL_IO_USE_PNM_TEST_SUITE_IMAGES | |
25 | ||
26 | template< typename Image > | |
27 | void write( Image& img | |
28 | , const string& file_name | |
29 | ) | |
30 | { | |
31 | #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES | |
32 | write_view( pnm_out + file_name | |
33 | , view( img ) | |
34 | , tag_t() | |
35 | ); | |
36 | #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES | |
37 | } | |
38 | ||
39 | template< typename Image > | |
40 | void test_pnm_scanline_reader( string filename ) | |
41 | { | |
42 | test_scanline_reader<Image, pnm_tag>( string( pnm_in + filename ).c_str() ); | |
43 | } | |
44 | ||
45 | BOOST_AUTO_TEST_CASE( read_header_test ) | |
46 | { | |
47 | { | |
48 | using backend_t = get_reader_backend<std::string const, tag_t>::type; | |
49 | ||
50 | backend_t backend = read_image_info( pnm_filename | |
51 | , tag_t() | |
52 | ); | |
53 | ||
54 | BOOST_CHECK_EQUAL( backend._info._type , pnm_image_type::color_asc_t::value ); | |
55 | BOOST_CHECK_EQUAL( backend._info._width , 256u ); | |
56 | BOOST_CHECK_EQUAL( backend._info._height , 256u ); | |
57 | BOOST_CHECK_EQUAL( backend._info._max_value, 255u ); | |
58 | } | |
59 | } | |
60 | ||
61 | BOOST_AUTO_TEST_CASE( read_reference_images_test ) | |
62 | { | |
63 | // p1.pnm | |
64 | { | |
65 | gray8_image_t img; | |
66 | ||
67 | read_image( pnm_in + "p1.pnm", img, tag_t() ); | |
68 | BOOST_CHECK_EQUAL( view( img ).width() , 200u ); | |
69 | BOOST_CHECK_EQUAL( view( img ).height(), 200u ); | |
70 | ||
71 | write( img, "p1.pnm" ); | |
72 | ||
73 | test_pnm_scanline_reader< gray8_image_t >( "p1.pnm" ); | |
74 | } | |
75 | ||
76 | // p2.pnm | |
77 | { | |
78 | gray8_image_t img; | |
79 | ||
80 | read_image( pnm_in + "p2.pnm", img, tag_t() ); | |
81 | BOOST_CHECK_EQUAL( view( img ).width() , 200u ); | |
82 | BOOST_CHECK_EQUAL( view( img ).height(), 200u ); | |
83 | ||
84 | write( img, "p2.pnm" ); | |
85 | ||
86 | test_pnm_scanline_reader< gray8_image_t >( "p2.pnm" ); | |
87 | } | |
88 | ||
89 | // p3.pnm | |
90 | { | |
91 | rgb8_image_t img; | |
92 | ||
93 | read_image( pnm_in + "p3.pnm", img, tag_t() ); | |
94 | BOOST_CHECK_EQUAL( view( img ).width() , 256u ); | |
95 | BOOST_CHECK_EQUAL( view( img ).height(), 256u ); | |
96 | ||
97 | write( img, "p3.pnm" ); | |
98 | ||
99 | test_pnm_scanline_reader< rgb8_image_t >( "p3.pnm" ); | |
100 | } | |
101 | ||
102 | // p4.pnm | |
103 | { | |
104 | gray1_image_t img; | |
105 | ||
106 | read_image( pnm_in + "p4.pnm", img, tag_t() ); | |
107 | BOOST_CHECK_EQUAL( view( img ).width() , 200u ); | |
108 | BOOST_CHECK_EQUAL( view( img ).height(), 200u ); | |
109 | ||
110 | write( img, "p4.pnm" ); | |
111 | ||
112 | test_pnm_scanline_reader< gray1_image_t >( "p4.pnm" ); | |
113 | } | |
114 | ||
115 | // p5.pnm | |
116 | { | |
117 | gray8_image_t img; | |
118 | ||
119 | read_image( pnm_in + "p5.pnm", img, tag_t() ); | |
120 | BOOST_CHECK_EQUAL( view( img ).width() , 200u ); | |
121 | BOOST_CHECK_EQUAL( view( img ).height(), 200u ); | |
122 | ||
123 | write( img, "p5.pnm" ); | |
124 | ||
125 | test_pnm_scanline_reader< gray8_image_t >( "p5.pnm" ); | |
126 | } | |
127 | ||
128 | // p6.pnm | |
129 | { | |
130 | rgb8_image_t img; | |
131 | ||
132 | read_image( pnm_in + "p6.pnm", img, tag_t() ); | |
133 | BOOST_CHECK_EQUAL( view( img ).width() , 256u ); | |
134 | BOOST_CHECK_EQUAL( view( img ).height(), 256u ); | |
135 | ||
136 | write( img, "p6.pnm" ); | |
137 | ||
138 | test_pnm_scanline_reader< rgb8_image_t >( "p6.pnm" ); | |
139 | } | |
140 | } | |
141 | ||
142 | #endif // BOOST_GIL_IO_USE_PNM_TEST_SUITE_IMAGES | |
143 | ||
144 | BOOST_AUTO_TEST_SUITE_END() |