Mercurial > hg > orthanc-wsi
annotate Framework/Enumerations.cpp @ 111:bfc0d433f9dd
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 24 Aug 2017 19:50:03 +0200 |
| parents | ff0ef01c332c |
| children | a51dee6a1515 |
| 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 | |
|
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ff0ef01c332c
shared copyright with osimis
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5 * Copyright (C) 2017 Osimis, 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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preparing for precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
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22 #include "PrecompiledHeadersWSI.h" |
| 0 | 23 #include "Enumerations.h" |
| 24 | |
| 25 #include "Jpeg2000Reader.h" | |
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Move "Framework/Orthanc/" as "Resources/Orthanc/"
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26 #include "../Resources/Orthanc/Core/OrthancException.h" |
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7a3853d51c45
Move "Framework/Orthanc/" as "Resources/Orthanc/"
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27 #include "../Resources/Orthanc/Core/SystemToolbox.h" |
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Move "Framework/Orthanc/" as "Resources/Orthanc/"
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28 #include "../Resources/Orthanc/Core/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 { | |
| 86 std::string header; | |
| 43 | 87 Orthanc::SystemToolbox::ReadHeader(header, path, 256); |
| 0 | 88 |
| 89 ImageCompression tmp = DetectFormatFromMemory(header.c_str(), header.size()); | |
| 90 if (tmp != ImageCompression_Unknown) | |
| 91 { | |
| 92 return tmp; | |
| 93 } | |
| 94 | |
| 95 // Cannot detect the format using the header, fallback to the use | |
| 96 // of the filename extension | |
| 97 | |
| 98 std::string lower; | |
| 99 Orthanc::Toolbox::ToLowerCase(lower, path); | |
| 100 | |
| 101 if (boost::algorithm::ends_with(lower, ".jpeg") || | |
| 102 boost::algorithm::ends_with(lower, ".jpg")) | |
| 103 { | |
| 104 return ImageCompression_Jpeg; | |
| 105 } | |
| 106 | |
| 107 if (boost::algorithm::ends_with(lower, ".png")) | |
| 108 { | |
| 109 return ImageCompression_Png; | |
| 110 } | |
| 111 | |
| 112 if (boost::algorithm::ends_with(lower, ".tiff") || | |
| 113 boost::algorithm::ends_with(lower, ".tif")) | |
| 114 { | |
| 115 return ImageCompression_Tiff; | |
| 116 } | |
| 117 | |
| 118 if (boost::algorithm::ends_with(lower, ".jp2") || | |
| 119 boost::algorithm::ends_with(lower, ".j2k")) | |
| 120 { | |
| 121 return ImageCompression_Jpeg2000; | |
| 122 } | |
| 123 | |
| 124 if (boost::algorithm::ends_with(lower, ".dcm")) | |
| 125 { | |
| 126 return ImageCompression_Dicom; | |
| 127 } | |
| 128 | |
| 129 return ImageCompression_Unknown; | |
| 130 } | |
| 131 | |
| 132 | |
| 133 ImageCompression DetectFormatFromMemory(const void* buffer, | |
| 134 size_t size) | |
| 135 { | |
| 136 if (MatchHeader(buffer, size, HEADER("\377\330\377"))) | |
| 137 { | |
| 138 return ImageCompression_Jpeg; | |
| 139 } | |
| 140 | |
| 141 if (MatchHeader(buffer, size, HEADER("\xff\x4f\xff\x51")) || | |
| 142 MatchHeader(buffer, size, HEADER("\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"))) | |
| 143 { | |
| 144 return ImageCompression_Jpeg2000; | |
| 145 } | |
| 146 | |
| 147 if (MatchHeader(buffer, size, HEADER("\211PNG\r\n\032\n"))) | |
| 148 { | |
| 149 return ImageCompression_Png; | |
| 150 } | |
| 151 | |
| 152 if (MatchHeader(buffer, size, HEADER("\115\115\000\052")) || | |
| 153 MatchHeader(buffer, size, HEADER("\111\111\052\000")) || | |
| 154 MatchHeader(buffer, size, HEADER("\115\115\000\053\000\010\000\000")) || | |
| 155 MatchHeader(buffer, size, HEADER("\111\111\053\000\010\000\000\000"))) | |
| 156 { | |
| 157 return ImageCompression_Tiff; | |
| 158 } | |
| 159 | |
| 160 if (size >= 128 + 4 && | |
| 161 MatchHeader(reinterpret_cast<const uint8_t*>(buffer) + 128, size - 128, HEADER("DICM"))) | |
| 162 { | |
| 163 bool ok = true; | |
| 164 for (size_t i = 0; ok && i < 128; i++) | |
| 165 { | |
| 166 if (reinterpret_cast<const uint8_t*>(buffer)[i] != 0) | |
| 167 { | |
| 168 ok = false; | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 if (ok) | |
| 173 { | |
| 174 return ImageCompression_Dicom; | |
| 175 } | |
| 176 } | |
| 177 | |
| 178 Jpeg2000Format jpeg2000 = Jpeg2000Reader::DetectFormatFromMemory(buffer, size); | |
| 179 if (jpeg2000 == Jpeg2000Format_JP2 || | |
| 180 jpeg2000 == Jpeg2000Format_J2K) | |
| 181 { | |
| 182 return ImageCompression_Jpeg2000; | |
| 183 } | |
| 184 | |
| 185 return ImageCompression_Unknown; | |
| 186 } | |
| 187 } |