Mercurial > hg > orthanc-wsi
annotate Framework/Enumerations.cpp @ 192:f299c191cd76
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 11 Jun 2020 07:41:22 +0200 |
parents | c38811bf2992 |
children | 628201cb48c2 |
rev | line source |
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0 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
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22 #include "PrecompiledHeadersWSI.h" |
0 | 23 #include "Enumerations.h" |
24 | |
25 #include "Jpeg2000Reader.h" | |
192 | 26 #include <OrthancException.h> |
27 #include <SystemToolbox.h> | |
28 #include <Toolbox.h> | |
0 | 29 |
30 #include <string.h> | |
31 #include <boost/algorithm/string/predicate.hpp> | |
32 | |
33 #define HEADER(s) (const void*) (s), sizeof(s)-1 | |
34 | |
35 namespace OrthancWSI | |
36 { | |
37 const char* EnumerationToString(ImageCompression compression) | |
38 { | |
39 switch (compression) | |
40 { | |
41 case ImageCompression_Unknown: | |
42 return "Unknown"; | |
43 | |
44 case ImageCompression_None: | |
45 return "Raw image"; | |
46 | |
47 case ImageCompression_Png: | |
48 return "PNG"; | |
49 | |
50 case ImageCompression_Jpeg: | |
51 return "JPEG"; | |
52 | |
53 case ImageCompression_Jpeg2000: | |
54 return "JPEG2000"; | |
55 | |
56 case ImageCompression_Tiff: | |
57 return "TIFF"; | |
58 | |
59 case ImageCompression_Dicom: | |
60 return "DICOM"; | |
61 | |
62 default: | |
63 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
64 } | |
65 } | |
66 | |
67 | |
68 static bool MatchHeader(const void* actual, | |
69 size_t actualSize, | |
70 const void* expected, | |
71 size_t expectedSize) | |
72 { | |
73 if (actualSize < expectedSize) | |
74 { | |
75 return false; | |
76 } | |
77 else | |
78 { | |
79 return memcmp(actual, expected, expectedSize) == 0; | |
80 } | |
81 } | |
82 | |
83 | |
84 ImageCompression DetectFormatFromFile(const std::string& path) | |
85 { | |
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86 std::string lower; |
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87 Orthanc::Toolbox::ToLowerCase(lower, path); |
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88 |
0 | 89 std::string header; |
43 | 90 Orthanc::SystemToolbox::ReadHeader(header, path, 256); |
0 | 91 |
92 ImageCompression tmp = DetectFormatFromMemory(header.c_str(), header.size()); | |
93 if (tmp != ImageCompression_Unknown) | |
94 { | |
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95 if (tmp == ImageCompression_Jpeg && |
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96 boost::algorithm::ends_with(lower, ".mrxs")) |
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97 { |
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98 /** |
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99 * Special case of MIRAX / 3DHISTECH images, that contain a JPEG |
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100 * thumbnail, and that are thus confused with JPEG. |
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101 * https://bitbucket.org/sjodogne/orthanc/issues/163/ |
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102 **/ |
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103 |
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104 LOG(WARNING) << "The file extension \".mrxs\" indicates a MIRAX / 3DHISTECH image, " |
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105 << "skipping auto-detection of the file format"; |
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106 return ImageCompression_Unknown; |
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107 } |
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108 else |
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109 { |
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110 return tmp; |
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111 } |
0 | 112 } |
113 | |
114 // Cannot detect the format using the header, fallback to the use | |
115 // of the filename extension | |
116 | |
117 if (boost::algorithm::ends_with(lower, ".jpeg") || | |
118 boost::algorithm::ends_with(lower, ".jpg")) | |
119 { | |
120 return ImageCompression_Jpeg; | |
121 } | |
122 | |
123 if (boost::algorithm::ends_with(lower, ".png")) | |
124 { | |
125 return ImageCompression_Png; | |
126 } | |
127 | |
128 if (boost::algorithm::ends_with(lower, ".tiff") || | |
129 boost::algorithm::ends_with(lower, ".tif")) | |
130 { | |
131 return ImageCompression_Tiff; | |
132 } | |
133 | |
134 if (boost::algorithm::ends_with(lower, ".jp2") || | |
135 boost::algorithm::ends_with(lower, ".j2k")) | |
136 { | |
137 return ImageCompression_Jpeg2000; | |
138 } | |
139 | |
140 if (boost::algorithm::ends_with(lower, ".dcm")) | |
141 { | |
142 return ImageCompression_Dicom; | |
143 } | |
144 | |
145 return ImageCompression_Unknown; | |
146 } | |
147 | |
148 | |
149 ImageCompression DetectFormatFromMemory(const void* buffer, | |
150 size_t size) | |
151 { | |
152 if (MatchHeader(buffer, size, HEADER("\377\330\377"))) | |
153 { | |
154 return ImageCompression_Jpeg; | |
155 } | |
156 | |
157 if (MatchHeader(buffer, size, HEADER("\xff\x4f\xff\x51")) || | |
158 MatchHeader(buffer, size, HEADER("\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"))) | |
159 { | |
160 return ImageCompression_Jpeg2000; | |
161 } | |
162 | |
163 if (MatchHeader(buffer, size, HEADER("\211PNG\r\n\032\n"))) | |
164 { | |
165 return ImageCompression_Png; | |
166 } | |
167 | |
168 if (MatchHeader(buffer, size, HEADER("\115\115\000\052")) || | |
169 MatchHeader(buffer, size, HEADER("\111\111\052\000")) || | |
170 MatchHeader(buffer, size, HEADER("\115\115\000\053\000\010\000\000")) || | |
171 MatchHeader(buffer, size, HEADER("\111\111\053\000\010\000\000\000"))) | |
172 { | |
173 return ImageCompression_Tiff; | |
174 } | |
175 | |
176 if (size >= 128 + 4 && | |
177 MatchHeader(reinterpret_cast<const uint8_t*>(buffer) + 128, size - 128, HEADER("DICM"))) | |
178 { | |
179 bool ok = true; | |
180 for (size_t i = 0; ok && i < 128; i++) | |
181 { | |
182 if (reinterpret_cast<const uint8_t*>(buffer)[i] != 0) | |
183 { | |
184 ok = false; | |
185 } | |
186 } | |
187 | |
188 if (ok) | |
189 { | |
190 return ImageCompression_Dicom; | |
191 } | |
192 } | |
193 | |
194 Jpeg2000Format jpeg2000 = Jpeg2000Reader::DetectFormatFromMemory(buffer, size); | |
195 if (jpeg2000 == Jpeg2000Format_JP2 || | |
196 jpeg2000 == Jpeg2000Format_J2K) | |
197 { | |
198 return ImageCompression_Jpeg2000; | |
199 } | |
200 | |
201 return ImageCompression_Unknown; | |
202 } | |
203 } |