Mercurial > hg > orthanc-wsi
annotate Framework/Enumerations.cpp @ 29:8ba39f9ce8d4
fix
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Oct 2016 15:03:00 +0200 |
| parents | 7a88c614be04 |
| 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 } |