Mercurial > hg > orthanc-wsi
annotate Framework/Enumerations.cpp @ 214:1e864138f0da
upgrade to year 2021
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 06 Jan 2021 18:10:07 +0100 |
parents | 628201cb48c2 |
children | 49f647ed1b4c |
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) 2017-2021 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 | |
16
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22 #include "PrecompiledHeadersWSI.h" |
0 | 23 #include "Enumerations.h" |
24 | |
25 #include "Jpeg2000Reader.h" | |
209 | 26 |
27 #include <Logging.h> | |
192 | 28 #include <OrthancException.h> |
29 #include <SystemToolbox.h> | |
30 #include <Toolbox.h> | |
0 | 31 |
32 #include <string.h> | |
33 #include <boost/algorithm/string/predicate.hpp> | |
34 | |
35 #define HEADER(s) (const void*) (s), sizeof(s)-1 | |
36 | |
37 namespace OrthancWSI | |
38 { | |
39 const char* EnumerationToString(ImageCompression compression) | |
40 { | |
41 switch (compression) | |
42 { | |
43 case ImageCompression_Unknown: | |
44 return "Unknown"; | |
45 | |
46 case ImageCompression_None: | |
47 return "Raw image"; | |
48 | |
49 case ImageCompression_Png: | |
50 return "PNG"; | |
51 | |
52 case ImageCompression_Jpeg: | |
53 return "JPEG"; | |
54 | |
55 case ImageCompression_Jpeg2000: | |
56 return "JPEG2000"; | |
57 | |
58 case ImageCompression_Tiff: | |
59 return "TIFF"; | |
60 | |
61 case ImageCompression_Dicom: | |
62 return "DICOM"; | |
63 | |
64 default: | |
65 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
66 } | |
67 } | |
68 | |
69 | |
70 static bool MatchHeader(const void* actual, | |
71 size_t actualSize, | |
72 const void* expected, | |
73 size_t expectedSize) | |
74 { | |
75 if (actualSize < expectedSize) | |
76 { | |
77 return false; | |
78 } | |
79 else | |
80 { | |
81 return memcmp(actual, expected, expectedSize) == 0; | |
82 } | |
83 } | |
84 | |
85 | |
86 ImageCompression DetectFormatFromFile(const std::string& path) | |
87 { | |
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88 std::string lower; |
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89 Orthanc::Toolbox::ToLowerCase(lower, path); |
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90 |
0 | 91 std::string header; |
43 | 92 Orthanc::SystemToolbox::ReadHeader(header, path, 256); |
0 | 93 |
94 ImageCompression tmp = DetectFormatFromMemory(header.c_str(), header.size()); | |
95 if (tmp != ImageCompression_Unknown) | |
96 { | |
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97 if (tmp == ImageCompression_Jpeg && |
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98 boost::algorithm::ends_with(lower, ".mrxs")) |
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99 { |
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100 /** |
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101 * Special case of MIRAX / 3DHISTECH images, that contain a JPEG |
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102 * thumbnail, and that are thus confused with JPEG. |
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103 * https://bitbucket.org/sjodogne/orthanc/issues/163/ |
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104 **/ |
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105 |
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106 LOG(WARNING) << "The file extension \".mrxs\" indicates a MIRAX / 3DHISTECH image, " |
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107 << "skipping auto-detection of the file format"; |
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108 return ImageCompression_Unknown; |
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109 } |
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110 else |
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111 { |
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112 return tmp; |
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113 } |
0 | 114 } |
115 | |
116 // Cannot detect the format using the header, fallback to the use | |
117 // of the filename extension | |
118 | |
119 if (boost::algorithm::ends_with(lower, ".jpeg") || | |
120 boost::algorithm::ends_with(lower, ".jpg")) | |
121 { | |
122 return ImageCompression_Jpeg; | |
123 } | |
124 | |
125 if (boost::algorithm::ends_with(lower, ".png")) | |
126 { | |
127 return ImageCompression_Png; | |
128 } | |
129 | |
130 if (boost::algorithm::ends_with(lower, ".tiff") || | |
131 boost::algorithm::ends_with(lower, ".tif")) | |
132 { | |
133 return ImageCompression_Tiff; | |
134 } | |
135 | |
136 if (boost::algorithm::ends_with(lower, ".jp2") || | |
137 boost::algorithm::ends_with(lower, ".j2k")) | |
138 { | |
139 return ImageCompression_Jpeg2000; | |
140 } | |
141 | |
142 if (boost::algorithm::ends_with(lower, ".dcm")) | |
143 { | |
144 return ImageCompression_Dicom; | |
145 } | |
146 | |
147 return ImageCompression_Unknown; | |
148 } | |
149 | |
150 | |
151 ImageCompression DetectFormatFromMemory(const void* buffer, | |
152 size_t size) | |
153 { | |
154 if (MatchHeader(buffer, size, HEADER("\377\330\377"))) | |
155 { | |
156 return ImageCompression_Jpeg; | |
157 } | |
158 | |
159 if (MatchHeader(buffer, size, HEADER("\xff\x4f\xff\x51")) || | |
160 MatchHeader(buffer, size, HEADER("\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"))) | |
161 { | |
162 return ImageCompression_Jpeg2000; | |
163 } | |
164 | |
165 if (MatchHeader(buffer, size, HEADER("\211PNG\r\n\032\n"))) | |
166 { | |
167 return ImageCompression_Png; | |
168 } | |
169 | |
170 if (MatchHeader(buffer, size, HEADER("\115\115\000\052")) || | |
171 MatchHeader(buffer, size, HEADER("\111\111\052\000")) || | |
172 MatchHeader(buffer, size, HEADER("\115\115\000\053\000\010\000\000")) || | |
173 MatchHeader(buffer, size, HEADER("\111\111\053\000\010\000\000\000"))) | |
174 { | |
175 return ImageCompression_Tiff; | |
176 } | |
177 | |
178 if (size >= 128 + 4 && | |
179 MatchHeader(reinterpret_cast<const uint8_t*>(buffer) + 128, size - 128, HEADER("DICM"))) | |
180 { | |
181 bool ok = true; | |
182 for (size_t i = 0; ok && i < 128; i++) | |
183 { | |
184 if (reinterpret_cast<const uint8_t*>(buffer)[i] != 0) | |
185 { | |
186 ok = false; | |
187 } | |
188 } | |
189 | |
190 if (ok) | |
191 { | |
192 return ImageCompression_Dicom; | |
193 } | |
194 } | |
195 | |
196 Jpeg2000Format jpeg2000 = Jpeg2000Reader::DetectFormatFromMemory(buffer, size); | |
197 if (jpeg2000 == Jpeg2000Format_JP2 || | |
198 jpeg2000 == Jpeg2000Format_J2K) | |
199 { | |
200 return ImageCompression_Jpeg2000; | |
201 } | |
202 | |
203 return ImageCompression_Unknown; | |
204 } | |
205 } |