Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/Plugin.cpp @ 150:442102e14933
fix
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 17 Jul 2018 09:55:24 +0200 |
| parents | 0b7e7be7d655 |
| children | fb8d4cd2f618 b798d200ac90 |
| 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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5 * Copyright (C) 2017-2018 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 | |
|
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22 #include "../Framework/PrecompiledHeadersWSI.h" |
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23 |
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24 #include "DicomPyramidCache.h" |
| 0 | 25 #include "../Framework/Jpeg2000Reader.h" |
| 150 | 26 #include "../Framework/Semaphore.h" |
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27 |
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28 #include <Core/Images/ImageProcessing.h> |
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29 #include <Core/Images/PngWriter.h> |
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30 #include <Core/OrthancException.h> |
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31 #include <Plugins/Samples/Common/OrthancPluginCppWrapper.h> |
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32 #include <Plugins/Samples/Common/OrthancPluginConnection.h> |
| 0 | 33 |
| 34 #include <EmbeddedResources.h> | |
| 35 | |
| 36 #include <cassert> | |
| 37 | |
| 38 OrthancPluginContext* context_ = NULL; | |
| 39 | |
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40 std::auto_ptr<OrthancPlugins::OrthancPluginConnection> orthanc_; |
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41 std::auto_ptr<OrthancWSI::DicomPyramidCache> cache_; |
| 150 | 42 std::auto_ptr<OrthancWSI::Semaphore> transcoderSemaphore_; |
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43 |
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44 |
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45 static void AnswerSparseTile(OrthancPluginRestOutput* output, |
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46 unsigned int tileWidth, |
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47 unsigned int tileHeight) |
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48 { |
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49 Orthanc::Image tile(Orthanc::PixelFormat_RGB24, tileWidth, tileHeight, false); |
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50 |
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51 // Black (TODO parameter) |
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52 uint8_t red = 0; |
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53 uint8_t green = 0; |
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54 uint8_t blue = 0; |
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55 Orthanc::ImageProcessing::Set(tile, red, green, blue, 255); |
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56 |
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57 // TODO Cache the tile |
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58 OrthancPluginCompressAndAnswerPngImage(context_, output, OrthancPluginPixelFormat_RGB24, |
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59 tile.GetWidth(), tile.GetHeight(), |
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60 tile.GetPitch(), tile.GetBuffer()); |
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61 } |
| 0 | 62 |
| 63 | |
| 64 static bool DisplayPerformanceWarning() | |
| 65 { | |
| 66 (void) DisplayPerformanceWarning; // Disable warning about unused function | |
| 67 OrthancPluginLogWarning(context_, "Performance warning in whole-slide imaging: " | |
| 68 "Non-release build, runtime debug assertions are turned on"); | |
| 69 return true; | |
| 70 } | |
| 71 | |
| 72 | |
| 73 void ServePyramid(OrthancPluginRestOutput* output, | |
| 74 const char* url, | |
| 75 const OrthancPluginHttpRequest* request) | |
| 76 { | |
| 77 std::string seriesId(request->groups[0]); | |
| 78 | |
| 79 char tmp[1024]; | |
| 80 sprintf(tmp, "Accessing whole-slide pyramid of series %s", seriesId.c_str()); | |
| 81 OrthancPluginLogInfo(context_, tmp); | |
| 82 | |
| 83 | |
| 84 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
| 85 | |
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86 unsigned int tileWidth = locker.GetPyramid().GetTileWidth(); |
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87 unsigned int tileHeight = locker.GetPyramid().GetTileHeight(); |
| 0 | 88 unsigned int totalWidth = locker.GetPyramid().GetLevelWidth(0); |
| 89 unsigned int totalHeight = locker.GetPyramid().GetLevelHeight(0); | |
| 90 | |
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91 Json::Value sizes = Json::arrayValue; |
| 0 | 92 Json::Value resolutions = Json::arrayValue; |
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93 Json::Value tilesCount = Json::arrayValue; |
| 0 | 94 for (unsigned int i = 0; i < locker.GetPyramid().GetLevelCount(); i++) |
| 95 { | |
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96 unsigned int levelWidth = locker.GetPyramid().GetLevelWidth(i); |
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97 unsigned int levelHeight = locker.GetPyramid().GetLevelHeight(i); |
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98 |
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99 resolutions.append(static_cast<float>(totalWidth) / static_cast<float>(levelWidth)); |
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100 |
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101 Json::Value s = Json::arrayValue; |
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102 s.append(levelWidth); |
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103 s.append(levelHeight); |
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104 sizes.append(s); |
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105 |
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106 s = Json::arrayValue; |
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107 s.append(OrthancWSI::CeilingDivision(levelWidth, tileWidth)); |
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108 s.append(OrthancWSI::CeilingDivision(levelHeight, tileHeight)); |
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109 tilesCount.append(s); |
| 0 | 110 } |
| 111 | |
| 112 Json::Value result; | |
| 113 result["ID"] = seriesId; | |
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114 result["Resolutions"] = resolutions; |
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115 result["Sizes"] = sizes; |
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116 result["TileHeight"] = tileHeight; |
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117 result["TileWidth"] = tileWidth; |
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118 result["TilesCount"] = tilesCount; |
| 0 | 119 result["TotalHeight"] = totalHeight; |
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120 result["TotalWidth"] = totalWidth; |
| 0 | 121 |
| 122 std::string s = result.toStyledString(); | |
| 123 OrthancPluginAnswerBuffer(context_, output, s.c_str(), s.size(), "application/json"); | |
| 124 } | |
| 125 | |
| 126 | |
| 127 void ServeTile(OrthancPluginRestOutput* output, | |
| 128 const char* url, | |
| 129 const OrthancPluginHttpRequest* request) | |
| 130 { | |
| 131 std::string seriesId(request->groups[0]); | |
| 132 int level = boost::lexical_cast<int>(request->groups[1]); | |
| 133 int tileY = boost::lexical_cast<int>(request->groups[3]); | |
| 134 int tileX = boost::lexical_cast<int>(request->groups[2]); | |
| 135 | |
| 136 char tmp[1024]; | |
| 137 sprintf(tmp, "Accessing tile in series %s: (%d,%d) at level %d", seriesId.c_str(), tileX, tileY, level); | |
| 138 OrthancPluginLogInfo(context_, tmp); | |
| 139 | |
| 140 if (level < 0 || | |
| 141 tileX < 0 || | |
| 142 tileY < 0) | |
| 143 { | |
| 144 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 145 } | |
| 146 | |
| 147 // Retrieve the raw tile from the WSI pyramid | |
| 148 OrthancWSI::ImageCompression compression; | |
| 149 Orthanc::PixelFormat format; | |
| 150 std::string tile; | |
| 151 unsigned int tileWidth, tileHeight; | |
| 152 | |
| 153 { | |
| 154 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
| 155 | |
| 156 format = locker.GetPyramid().GetPixelFormat(); | |
| 157 tileWidth = locker.GetPyramid().GetTileWidth(); | |
| 158 tileHeight = locker.GetPyramid().GetTileHeight(); | |
| 159 | |
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160 if (!locker.GetPyramid().ReadRawTile(tile, compression, |
| 0 | 161 static_cast<unsigned int>(level), |
| 162 static_cast<unsigned int>(tileX), | |
| 163 static_cast<unsigned int>(tileY))) | |
| 164 { | |
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165 // Handling of missing tile (for sparse tiling): TODO parameter? |
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166 // AnswerSparseTile(output, tileWidth, tileHeight); return; |
| 0 | 167 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
| 168 } | |
| 169 } | |
| 170 | |
| 171 | |
| 172 // Test whether the tile is a JPEG image. In such a case, we can | |
| 173 // serve it as such, because any Web browser can handle JPEG | |
| 174 | |
| 175 if (compression == OrthancWSI::ImageCompression_Jpeg) | |
| 176 { | |
| 177 OrthancPluginAnswerBuffer(context_, output, tile.c_str(), tile.size(), "image/jpeg"); | |
| 178 return; // We're done | |
| 179 } | |
| 180 | |
| 181 | |
| 182 // The tile does not come from a DICOM-JPEG instance, we need to | |
| 183 // decompress the raw tile | |
| 184 std::auto_ptr<Orthanc::ImageAccessor> decoded; | |
| 185 | |
| 150 | 186 OrthancWSI::Semaphore::Locker locker(*transcoderSemaphore_); |
| 0 | 187 |
| 188 switch (compression) | |
| 189 { | |
| 190 case OrthancWSI::ImageCompression_Jpeg2000: | |
| 191 decoded.reset(new OrthancWSI::Jpeg2000Reader); | |
| 192 dynamic_cast<OrthancWSI::Jpeg2000Reader&>(*decoded).ReadFromMemory(tile); | |
| 193 break; | |
| 194 | |
| 195 case OrthancWSI::ImageCompression_None: | |
| 196 { | |
| 197 unsigned int bpp = Orthanc::GetBytesPerPixel(format); | |
| 198 if (bpp * tileWidth * tileHeight != tile.size()) | |
| 199 { | |
| 200 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 201 } | |
| 202 | |
| 203 decoded.reset(new Orthanc::ImageAccessor); | |
| 204 decoded->AssignReadOnly(format, tileWidth, tileHeight, bpp * tileWidth, tile.c_str()); | |
| 205 break; | |
| 206 } | |
| 207 | |
| 208 default: | |
| 209 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 210 } | |
| 211 | |
| 212 | |
| 213 // This is a lossless frame (coming from a JPEG2000 or uncompressed | |
| 214 // DICOM instance), serve it as a PNG image so as to prevent lossy | |
| 215 // compression | |
| 216 | |
| 217 std::string png; | |
| 218 Orthanc::PngWriter writer; | |
| 219 writer.WriteToMemory(png, *decoded); | |
| 220 | |
| 221 OrthancPluginAnswerBuffer(context_, output, png.c_str(), png.size(), "image/png"); | |
| 222 } | |
| 223 | |
| 224 | |
| 225 OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, | |
| 226 OrthancPluginResourceType resourceType, | |
| 227 const char *resourceId) | |
| 228 { | |
| 229 if (resourceType == OrthancPluginResourceType_Series && | |
| 230 changeType == OrthancPluginChangeType_NewChildInstance) | |
| 231 { | |
| 232 char tmp[1024]; | |
| 233 sprintf(tmp, "New instance has been added to series %s, invalidating it", resourceId); | |
| 234 OrthancPluginLogInfo(context_, tmp); | |
| 235 | |
| 236 cache_->Invalidate(resourceId); | |
| 237 } | |
| 238 | |
| 239 return OrthancPluginErrorCode_Success; | |
| 240 } | |
| 241 | |
| 242 | |
| 243 | |
| 244 void ServeFile(OrthancPluginRestOutput* output, | |
| 245 const char* url, | |
| 246 const OrthancPluginHttpRequest* request) | |
| 247 { | |
| 248 Orthanc::EmbeddedResources::FileResourceId resource; | |
| 249 | |
| 250 std::string f(request->groups[0]); | |
| 251 std::string mime; | |
| 252 | |
| 253 if (f == "viewer.html") | |
| 254 { | |
| 255 resource = Orthanc::EmbeddedResources::VIEWER_HTML; | |
| 256 mime = "text/html"; | |
| 257 } | |
| 258 else if (f == "viewer.js") | |
| 259 { | |
| 260 resource = Orthanc::EmbeddedResources::VIEWER_JS; | |
| 261 mime = "application/javascript"; | |
| 262 } | |
| 263 else if (f == "ol.js") | |
| 264 { | |
| 265 resource = Orthanc::EmbeddedResources::OPENLAYERS_JS; | |
| 266 mime = "application/javascript"; | |
| 267 } | |
| 268 else if (f == "ol.css") | |
| 269 { | |
| 270 resource = Orthanc::EmbeddedResources::OPENLAYERS_CSS; | |
| 271 mime = "text/css"; | |
| 272 } | |
| 273 else | |
| 274 { | |
| 275 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 276 } | |
| 277 | |
| 278 std::string content; | |
| 279 Orthanc::EmbeddedResources::GetFileResource(content, resource); | |
| 280 | |
| 281 OrthancPluginAnswerBuffer(context_, output, content.c_str(), content.size(), mime.c_str()); | |
| 282 } | |
| 283 | |
| 284 | |
| 285 | |
| 286 extern "C" | |
| 287 { | |
| 288 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
| 289 { | |
| 290 context_ = context; | |
| 291 assert(DisplayPerformanceWarning()); | |
| 292 | |
| 293 /* Check the version of the Orthanc core */ | |
| 294 if (OrthancPluginCheckVersion(context_) == 0) | |
| 295 { | |
| 296 char info[1024]; | |
| 297 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
| 298 context_->orthancVersion, | |
| 299 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
| 300 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
| 301 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
| 302 OrthancPluginLogError(context_, info); | |
| 303 return -1; | |
| 304 } | |
| 305 | |
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306 if (!OrthancPlugins::CheckMinimalOrthancVersion(context_, 1, 1, 0)) |
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307 { |
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308 // We need the "/instances/.../frames/.../raw" URI that was introduced in Orthanc 1.1.0 |
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309 return -1; |
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310 } |
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311 |
| 0 | 312 // Limit the number of PNG transcoders to the number of available |
| 313 // hardware threads (e.g. number of CPUs or cores or | |
| 314 // hyperthreading units) | |
| 315 unsigned int threads = boost::thread::hardware_concurrency(); | |
| 316 | |
| 317 if (threads <= 0) | |
| 318 { | |
| 319 threads = 1; | |
| 320 } | |
| 321 | |
| 150 | 322 transcoderSemaphore_.reset(new OrthancWSI::Semaphore(threads)); |
| 0 | 323 |
| 324 char info[1024]; | |
| 145 | 325 sprintf(info, "The whole-slide imaging plugin will use at most %u threads to transcode the tiles", threads); |
| 0 | 326 OrthancPluginLogWarning(context_, info); |
| 327 | |
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328 OrthancPluginSetDescription(context, "Provides a Web viewer of whole-slide microscopic images within Orthanc."); |
| 0 | 329 |
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330 orthanc_.reset(new OrthancPlugins::OrthancPluginConnection(context)); |
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331 cache_.reset(new OrthancWSI::DicomPyramidCache(*orthanc_, 10 /* Number of pyramids to be cached - TODO parameter */)); |
| 0 | 332 |
| 333 OrthancPluginRegisterOnChangeCallback(context_, OnChangeCallback); | |
| 334 | |
| 335 OrthancPlugins::RegisterRestCallback<ServeFile>(context, "/wsi/app/(ol.css)", true); | |
| 336 OrthancPlugins::RegisterRestCallback<ServeFile>(context, "/wsi/app/(ol.js)", true); | |
| 337 OrthancPlugins::RegisterRestCallback<ServeFile>(context, "/wsi/app/(viewer.html)", true); | |
| 338 OrthancPlugins::RegisterRestCallback<ServeFile>(context, "/wsi/app/(viewer.js)", true); | |
| 339 OrthancPlugins::RegisterRestCallback<ServePyramid>(context, "/wsi/pyramids/([0-9a-f-]+)", true); | |
| 340 OrthancPlugins::RegisterRestCallback<ServeTile>(context, "/wsi/tiles/([0-9a-f-]+)/([0-9-]+)/([0-9-]+)/([0-9-]+)", true); | |
| 341 | |
| 342 // Extend the default Orthanc Explorer with custom JavaScript for WSI | |
| 343 std::string explorer; | |
| 344 Orthanc::EmbeddedResources::GetFileResource(explorer, Orthanc::EmbeddedResources::ORTHANC_EXPLORER); | |
| 345 OrthancPluginExtendOrthancExplorer(context_, explorer.c_str()); | |
| 346 | |
| 347 return 0; | |
| 348 } | |
| 349 | |
| 350 | |
| 351 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
| 352 { | |
| 353 cache_.reset(NULL); | |
| 354 orthanc_.reset(NULL); | |
| 355 transcoderSemaphore_.reset(NULL); | |
| 356 } | |
| 357 | |
| 358 | |
| 359 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
| 360 { | |
| 361 return "wsi"; | |
| 362 } | |
| 363 | |
| 364 | |
| 365 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
| 366 { | |
| 367 return ORTHANC_WSI_VERSION; | |
| 368 } | |
| 369 } |