Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/Plugin.cpp @ 145:0b7e7be7d655
cppcheck
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 23 Apr 2018 16:21:58 +0200 |
parents | a0f9a3df1110 |
children | 442102e14933 |
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 | |
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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" |
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26 |
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27 #include <Core/Images/ImageProcessing.h> |
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28 #include <Core/Images/PngWriter.h> |
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29 #include <Core/MultiThreading/Semaphore.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_; |
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42 std::auto_ptr<Orthanc::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 | |
186 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); | |
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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Sebastien Jodogne <s.jodogne@gmail.com>
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310 } |
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check the version of the Orthanc core
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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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 | |
322 transcoderSemaphore_.reset(new Orthanc::Semaphore(threads)); | |
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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Provide "--version" in command-line tools
Sebastien Jodogne <s.jodogne@gmail.com>
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328 OrthancPluginSetDescription(context, "Provides a Web viewer of whole-slide microscopic images within Orthanc."); |
0 | 329 |
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refactoring using new items in the plugin toolbox of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
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330 orthanc_.reset(new OrthancPlugins::OrthancPluginConnection(context)); |
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LRU caching of pyramids, OrthancWSIClearCache script
Sebastien Jodogne <s.jodogne@gmail.com>
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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 } |