Mercurial > hg > orthanc-wsi
annotate Framework/Enumerations.cpp @ 43:9621fd6f17c9
sync
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 09 Nov 2016 17:34:20 +0100 |
parents | 7a88c614be04 |
children | 7a3853d51c45 |
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 | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU Affero General Public License | |
8 * as published by the Free Software Foundation, either version 3 of | |
9 * the License, or (at your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * Affero General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU Affero General Public License | |
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 **/ | |
19 | |
20 | |
16
7a88c614be04
preparing for precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
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21 #include "PrecompiledHeadersWSI.h" |
0 | 22 #include "Enumerations.h" |
23 | |
24 #include "Jpeg2000Reader.h" | |
25 #include "Orthanc/Core/OrthancException.h" | |
43 | 26 #include "Orthanc/Core/SystemToolbox.h" |
0 | 27 #include "Orthanc/Core/Toolbox.h" |
28 | |
29 #include <string.h> | |
30 #include <boost/algorithm/string/predicate.hpp> | |
31 | |
32 #define HEADER(s) (const void*) (s), sizeof(s)-1 | |
33 | |
34 namespace OrthancWSI | |
35 { | |
36 const char* EnumerationToString(ImageCompression compression) | |
37 { | |
38 switch (compression) | |
39 { | |
40 case ImageCompression_Unknown: | |
41 return "Unknown"; | |
42 | |
43 case ImageCompression_None: | |
44 return "Raw image"; | |
45 | |
46 case ImageCompression_Png: | |
47 return "PNG"; | |
48 | |
49 case ImageCompression_Jpeg: | |
50 return "JPEG"; | |
51 | |
52 case ImageCompression_Jpeg2000: | |
53 return "JPEG2000"; | |
54 | |
55 case ImageCompression_Tiff: | |
56 return "TIFF"; | |
57 | |
58 case ImageCompression_Dicom: | |
59 return "DICOM"; | |
60 | |
61 default: | |
62 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
63 } | |
64 } | |
65 | |
66 | |
67 static bool MatchHeader(const void* actual, | |
68 size_t actualSize, | |
69 const void* expected, | |
70 size_t expectedSize) | |
71 { | |
72 if (actualSize < expectedSize) | |
73 { | |
74 return false; | |
75 } | |
76 else | |
77 { | |
78 return memcmp(actual, expected, expectedSize) == 0; | |
79 } | |
80 } | |
81 | |
82 | |
83 ImageCompression DetectFormatFromFile(const std::string& path) | |
84 { | |
85 std::string header; | |
43 | 86 Orthanc::SystemToolbox::ReadHeader(header, path, 256); |
0 | 87 |
88 ImageCompression tmp = DetectFormatFromMemory(header.c_str(), header.size()); | |
89 if (tmp != ImageCompression_Unknown) | |
90 { | |
91 return tmp; | |
92 } | |
93 | |
94 // Cannot detect the format using the header, fallback to the use | |
95 // of the filename extension | |
96 | |
97 std::string lower; | |
98 Orthanc::Toolbox::ToLowerCase(lower, path); | |
99 | |
100 if (boost::algorithm::ends_with(lower, ".jpeg") || | |
101 boost::algorithm::ends_with(lower, ".jpg")) | |
102 { | |
103 return ImageCompression_Jpeg; | |
104 } | |
105 | |
106 if (boost::algorithm::ends_with(lower, ".png")) | |
107 { | |
108 return ImageCompression_Png; | |
109 } | |
110 | |
111 if (boost::algorithm::ends_with(lower, ".tiff") || | |
112 boost::algorithm::ends_with(lower, ".tif")) | |
113 { | |
114 return ImageCompression_Tiff; | |
115 } | |
116 | |
117 if (boost::algorithm::ends_with(lower, ".jp2") || | |
118 boost::algorithm::ends_with(lower, ".j2k")) | |
119 { | |
120 return ImageCompression_Jpeg2000; | |
121 } | |
122 | |
123 if (boost::algorithm::ends_with(lower, ".dcm")) | |
124 { | |
125 return ImageCompression_Dicom; | |
126 } | |
127 | |
128 return ImageCompression_Unknown; | |
129 } | |
130 | |
131 | |
132 ImageCompression DetectFormatFromMemory(const void* buffer, | |
133 size_t size) | |
134 { | |
135 if (MatchHeader(buffer, size, HEADER("\377\330\377"))) | |
136 { | |
137 return ImageCompression_Jpeg; | |
138 } | |
139 | |
140 if (MatchHeader(buffer, size, HEADER("\xff\x4f\xff\x51")) || | |
141 MatchHeader(buffer, size, HEADER("\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"))) | |
142 { | |
143 return ImageCompression_Jpeg2000; | |
144 } | |
145 | |
146 if (MatchHeader(buffer, size, HEADER("\211PNG\r\n\032\n"))) | |
147 { | |
148 return ImageCompression_Png; | |
149 } | |
150 | |
151 if (MatchHeader(buffer, size, HEADER("\115\115\000\052")) || | |
152 MatchHeader(buffer, size, HEADER("\111\111\052\000")) || | |
153 MatchHeader(buffer, size, HEADER("\115\115\000\053\000\010\000\000")) || | |
154 MatchHeader(buffer, size, HEADER("\111\111\053\000\010\000\000\000"))) | |
155 { | |
156 return ImageCompression_Tiff; | |
157 } | |
158 | |
159 if (size >= 128 + 4 && | |
160 MatchHeader(reinterpret_cast<const uint8_t*>(buffer) + 128, size - 128, HEADER("DICM"))) | |
161 { | |
162 bool ok = true; | |
163 for (size_t i = 0; ok && i < 128; i++) | |
164 { | |
165 if (reinterpret_cast<const uint8_t*>(buffer)[i] != 0) | |
166 { | |
167 ok = false; | |
168 } | |
169 } | |
170 | |
171 if (ok) | |
172 { | |
173 return ImageCompression_Dicom; | |
174 } | |
175 } | |
176 | |
177 Jpeg2000Format jpeg2000 = Jpeg2000Reader::DetectFormatFromMemory(buffer, size); | |
178 if (jpeg2000 == Jpeg2000Format_JP2 || | |
179 jpeg2000 == Jpeg2000Format_J2K) | |
180 { | |
181 return ImageCompression_Jpeg2000; | |
182 } | |
183 | |
184 return ImageCompression_Unknown; | |
185 } | |
186 } |