Mercurial > hg > orthanc-wsi
annotate Framework/Enumerations.cpp @ 16:7a88c614be04
preparing for precompiled headers
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Thu, 27 Oct 2016 11:01:26 +0200 |
parents | 4a7a53257c7d |
children | 9621fd6f17c9 |
rev | line source |
---|---|
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
|
21 #include "PrecompiledHeadersWSI.h" |
0 | 22 #include "Enumerations.h" |
23 | |
24 #include "Jpeg2000Reader.h" | |
25 #include "Orthanc/Core/OrthancException.h" | |
26 #include "Orthanc/Core/Toolbox.h" | |
27 | |
28 #include <string.h> | |
29 #include <boost/algorithm/string/predicate.hpp> | |
30 | |
31 #define HEADER(s) (const void*) (s), sizeof(s)-1 | |
32 | |
33 namespace OrthancWSI | |
34 { | |
35 const char* EnumerationToString(ImageCompression compression) | |
36 { | |
37 switch (compression) | |
38 { | |
39 case ImageCompression_Unknown: | |
40 return "Unknown"; | |
41 | |
42 case ImageCompression_None: | |
43 return "Raw image"; | |
44 | |
45 case ImageCompression_Png: | |
46 return "PNG"; | |
47 | |
48 case ImageCompression_Jpeg: | |
49 return "JPEG"; | |
50 | |
51 case ImageCompression_Jpeg2000: | |
52 return "JPEG2000"; | |
53 | |
54 case ImageCompression_Tiff: | |
55 return "TIFF"; | |
56 | |
57 case ImageCompression_Dicom: | |
58 return "DICOM"; | |
59 | |
60 default: | |
61 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
62 } | |
63 } | |
64 | |
65 | |
66 static bool MatchHeader(const void* actual, | |
67 size_t actualSize, | |
68 const void* expected, | |
69 size_t expectedSize) | |
70 { | |
71 if (actualSize < expectedSize) | |
72 { | |
73 return false; | |
74 } | |
75 else | |
76 { | |
77 return memcmp(actual, expected, expectedSize) == 0; | |
78 } | |
79 } | |
80 | |
81 | |
82 ImageCompression DetectFormatFromFile(const std::string& path) | |
83 { | |
84 std::string header; | |
85 Orthanc::Toolbox::ReadHeader(header, path, 256); | |
86 | |
87 ImageCompression tmp = DetectFormatFromMemory(header.c_str(), header.size()); | |
88 if (tmp != ImageCompression_Unknown) | |
89 { | |
90 return tmp; | |
91 } | |
92 | |
93 // Cannot detect the format using the header, fallback to the use | |
94 // of the filename extension | |
95 | |
96 std::string lower; | |
97 Orthanc::Toolbox::ToLowerCase(lower, path); | |
98 | |
99 if (boost::algorithm::ends_with(lower, ".jpeg") || | |
100 boost::algorithm::ends_with(lower, ".jpg")) | |
101 { | |
102 return ImageCompression_Jpeg; | |
103 } | |
104 | |
105 if (boost::algorithm::ends_with(lower, ".png")) | |
106 { | |
107 return ImageCompression_Png; | |
108 } | |
109 | |
110 if (boost::algorithm::ends_with(lower, ".tiff") || | |
111 boost::algorithm::ends_with(lower, ".tif")) | |
112 { | |
113 return ImageCompression_Tiff; | |
114 } | |
115 | |
116 if (boost::algorithm::ends_with(lower, ".jp2") || | |
117 boost::algorithm::ends_with(lower, ".j2k")) | |
118 { | |
119 return ImageCompression_Jpeg2000; | |
120 } | |
121 | |
122 if (boost::algorithm::ends_with(lower, ".dcm")) | |
123 { | |
124 return ImageCompression_Dicom; | |
125 } | |
126 | |
127 return ImageCompression_Unknown; | |
128 } | |
129 | |
130 | |
131 ImageCompression DetectFormatFromMemory(const void* buffer, | |
132 size_t size) | |
133 { | |
134 if (MatchHeader(buffer, size, HEADER("\377\330\377"))) | |
135 { | |
136 return ImageCompression_Jpeg; | |
137 } | |
138 | |
139 if (MatchHeader(buffer, size, HEADER("\xff\x4f\xff\x51")) || | |
140 MatchHeader(buffer, size, HEADER("\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"))) | |
141 { | |
142 return ImageCompression_Jpeg2000; | |
143 } | |
144 | |
145 if (MatchHeader(buffer, size, HEADER("\211PNG\r\n\032\n"))) | |
146 { | |
147 return ImageCompression_Png; | |
148 } | |
149 | |
150 if (MatchHeader(buffer, size, HEADER("\115\115\000\052")) || | |
151 MatchHeader(buffer, size, HEADER("\111\111\052\000")) || | |
152 MatchHeader(buffer, size, HEADER("\115\115\000\053\000\010\000\000")) || | |
153 MatchHeader(buffer, size, HEADER("\111\111\053\000\010\000\000\000"))) | |
154 { | |
155 return ImageCompression_Tiff; | |
156 } | |
157 | |
158 if (size >= 128 + 4 && | |
159 MatchHeader(reinterpret_cast<const uint8_t*>(buffer) + 128, size - 128, HEADER("DICM"))) | |
160 { | |
161 bool ok = true; | |
162 for (size_t i = 0; ok && i < 128; i++) | |
163 { | |
164 if (reinterpret_cast<const uint8_t*>(buffer)[i] != 0) | |
165 { | |
166 ok = false; | |
167 } | |
168 } | |
169 | |
170 if (ok) | |
171 { | |
172 return ImageCompression_Dicom; | |
173 } | |
174 } | |
175 | |
176 Jpeg2000Format jpeg2000 = Jpeg2000Reader::DetectFormatFromMemory(buffer, size); | |
177 if (jpeg2000 == Jpeg2000Format_JP2 || | |
178 jpeg2000 == Jpeg2000Format_J2K) | |
179 { | |
180 return ImageCompression_Jpeg2000; | |
181 } | |
182 | |
183 return ImageCompression_Unknown; | |
184 } | |
185 } |