Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/Plugin.cpp @ 157:6b8ccfc02051
preparing for 2019
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 24 Dec 2018 13:48:31 +0100 |
parents | dafbb7ebc00f |
children | e3cbf890b588 |
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 | |
157 | 5 * Copyright (C) 2017-2019 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 | |
16
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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 |
151 | 27 #include <Core/Logging.h> |
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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/MultiThreading/Semaphore.h> |
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31 #include <Core/OrthancException.h> |
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32 #include <Core/SystemToolbox.h> |
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33 #include <Plugins/Samples/Common/OrthancPluginCppWrapper.h> |
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34 #include <Plugins/Samples/Common/OrthancPluginConnection.h> |
0 | 35 |
36 #include <EmbeddedResources.h> | |
37 | |
38 #include <cassert> | |
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(OrthancPlugins::GetGlobalContext(), |
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59 output, OrthancPluginPixelFormat_RGB24, |
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60 tile.GetWidth(), tile.GetHeight(), |
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61 tile.GetPitch(), tile.GetBuffer()); |
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62 } |
0 | 63 |
64 | |
65 static bool DisplayPerformanceWarning() | |
66 { | |
67 (void) DisplayPerformanceWarning; // Disable warning about unused function | |
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68 OrthancPluginLogWarning(OrthancPlugins::GetGlobalContext(), "Performance warning in whole-slide imaging: " |
0 | 69 "Non-release build, runtime debug assertions are turned on"); |
70 return true; | |
71 } | |
72 | |
73 | |
74 void ServePyramid(OrthancPluginRestOutput* output, | |
75 const char* url, | |
76 const OrthancPluginHttpRequest* request) | |
77 { | |
78 std::string seriesId(request->groups[0]); | |
79 | |
80 char tmp[1024]; | |
81 sprintf(tmp, "Accessing whole-slide pyramid of series %s", seriesId.c_str()); | |
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82 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 83 |
84 | |
85 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
86 | |
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87 unsigned int tileWidth = locker.GetPyramid().GetTileWidth(); |
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88 unsigned int tileHeight = locker.GetPyramid().GetTileHeight(); |
0 | 89 unsigned int totalWidth = locker.GetPyramid().GetLevelWidth(0); |
90 unsigned int totalHeight = locker.GetPyramid().GetLevelHeight(0); | |
91 | |
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92 Json::Value sizes = Json::arrayValue; |
0 | 93 Json::Value resolutions = Json::arrayValue; |
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94 Json::Value tilesCount = Json::arrayValue; |
0 | 95 for (unsigned int i = 0; i < locker.GetPyramid().GetLevelCount(); i++) |
96 { | |
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97 unsigned int levelWidth = locker.GetPyramid().GetLevelWidth(i); |
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98 unsigned int levelHeight = locker.GetPyramid().GetLevelHeight(i); |
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99 |
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100 resolutions.append(static_cast<float>(totalWidth) / static_cast<float>(levelWidth)); |
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101 |
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102 Json::Value s = Json::arrayValue; |
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103 s.append(levelWidth); |
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104 s.append(levelHeight); |
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105 sizes.append(s); |
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106 |
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107 s = Json::arrayValue; |
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108 s.append(OrthancWSI::CeilingDivision(levelWidth, tileWidth)); |
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109 s.append(OrthancWSI::CeilingDivision(levelHeight, tileHeight)); |
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110 tilesCount.append(s); |
0 | 111 } |
112 | |
113 Json::Value result; | |
114 result["ID"] = seriesId; | |
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115 result["Resolutions"] = resolutions; |
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116 result["Sizes"] = sizes; |
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117 result["TileHeight"] = tileHeight; |
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118 result["TileWidth"] = tileWidth; |
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119 result["TilesCount"] = tilesCount; |
0 | 120 result["TotalHeight"] = totalHeight; |
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121 result["TotalWidth"] = totalWidth; |
0 | 122 |
123 std::string s = result.toStyledString(); | |
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124 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), "application/json"); |
0 | 125 } |
126 | |
127 | |
128 void ServeTile(OrthancPluginRestOutput* output, | |
129 const char* url, | |
130 const OrthancPluginHttpRequest* request) | |
131 { | |
132 std::string seriesId(request->groups[0]); | |
133 int level = boost::lexical_cast<int>(request->groups[1]); | |
134 int tileY = boost::lexical_cast<int>(request->groups[3]); | |
135 int tileX = boost::lexical_cast<int>(request->groups[2]); | |
136 | |
137 char tmp[1024]; | |
138 sprintf(tmp, "Accessing tile in series %s: (%d,%d) at level %d", seriesId.c_str(), tileX, tileY, level); | |
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139 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 140 |
141 if (level < 0 || | |
142 tileX < 0 || | |
143 tileY < 0) | |
144 { | |
145 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
146 } | |
147 | |
148 // Retrieve the raw tile from the WSI pyramid | |
149 OrthancWSI::ImageCompression compression; | |
150 Orthanc::PixelFormat format; | |
151 std::string tile; | |
152 unsigned int tileWidth, tileHeight; | |
153 | |
154 { | |
155 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
156 | |
157 format = locker.GetPyramid().GetPixelFormat(); | |
158 tileWidth = locker.GetPyramid().GetTileWidth(); | |
159 tileHeight = locker.GetPyramid().GetTileHeight(); | |
160 | |
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161 if (!locker.GetPyramid().ReadRawTile(tile, compression, |
0 | 162 static_cast<unsigned int>(level), |
163 static_cast<unsigned int>(tileX), | |
164 static_cast<unsigned int>(tileY))) | |
165 { | |
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166 // Handling of missing tile (for sparse tiling): TODO parameter? |
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167 // AnswerSparseTile(output, tileWidth, tileHeight); return; |
0 | 168 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
169 } | |
170 } | |
171 | |
172 | |
173 // Test whether the tile is a JPEG image. In such a case, we can | |
174 // serve it as such, because any Web browser can handle JPEG | |
175 | |
176 if (compression == OrthancWSI::ImageCompression_Jpeg) | |
177 { | |
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178 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, tile.c_str(), tile.size(), "image/jpeg"); |
0 | 179 return; // We're done |
180 } | |
181 | |
182 | |
183 // The tile does not come from a DICOM-JPEG instance, we need to | |
184 // decompress the raw tile | |
185 std::auto_ptr<Orthanc::ImageAccessor> decoded; | |
186 | |
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187 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); |
0 | 188 |
189 switch (compression) | |
190 { | |
191 case OrthancWSI::ImageCompression_Jpeg2000: | |
192 decoded.reset(new OrthancWSI::Jpeg2000Reader); | |
193 dynamic_cast<OrthancWSI::Jpeg2000Reader&>(*decoded).ReadFromMemory(tile); | |
194 break; | |
195 | |
196 case OrthancWSI::ImageCompression_None: | |
197 { | |
198 unsigned int bpp = Orthanc::GetBytesPerPixel(format); | |
199 if (bpp * tileWidth * tileHeight != tile.size()) | |
200 { | |
201 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
202 } | |
203 | |
204 decoded.reset(new Orthanc::ImageAccessor); | |
205 decoded->AssignReadOnly(format, tileWidth, tileHeight, bpp * tileWidth, tile.c_str()); | |
206 break; | |
207 } | |
208 | |
209 default: | |
210 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
211 } | |
212 | |
213 | |
214 // This is a lossless frame (coming from a JPEG2000 or uncompressed | |
215 // DICOM instance), serve it as a PNG image so as to prevent lossy | |
216 // compression | |
217 | |
218 std::string png; | |
219 Orthanc::PngWriter writer; | |
220 writer.WriteToMemory(png, *decoded); | |
221 | |
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222 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, png.c_str(), png.size(), "image/png"); |
0 | 223 } |
224 | |
225 | |
226 OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, | |
227 OrthancPluginResourceType resourceType, | |
228 const char *resourceId) | |
229 { | |
230 if (resourceType == OrthancPluginResourceType_Series && | |
231 changeType == OrthancPluginChangeType_NewChildInstance) | |
232 { | |
233 char tmp[1024]; | |
234 sprintf(tmp, "New instance has been added to series %s, invalidating it", resourceId); | |
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235 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 236 |
237 cache_->Invalidate(resourceId); | |
238 } | |
239 | |
240 return OrthancPluginErrorCode_Success; | |
241 } | |
242 | |
243 | |
244 | |
245 void ServeFile(OrthancPluginRestOutput* output, | |
246 const char* url, | |
247 const OrthancPluginHttpRequest* request) | |
248 { | |
249 Orthanc::EmbeddedResources::FileResourceId resource; | |
250 | |
251 std::string f(request->groups[0]); | |
252 std::string mime; | |
253 | |
254 if (f == "viewer.html") | |
255 { | |
256 resource = Orthanc::EmbeddedResources::VIEWER_HTML; | |
257 mime = "text/html"; | |
258 } | |
259 else if (f == "viewer.js") | |
260 { | |
261 resource = Orthanc::EmbeddedResources::VIEWER_JS; | |
262 mime = "application/javascript"; | |
263 } | |
264 else if (f == "ol.js") | |
265 { | |
266 resource = Orthanc::EmbeddedResources::OPENLAYERS_JS; | |
267 mime = "application/javascript"; | |
268 } | |
269 else if (f == "ol.css") | |
270 { | |
271 resource = Orthanc::EmbeddedResources::OPENLAYERS_CSS; | |
272 mime = "text/css"; | |
273 } | |
274 else | |
275 { | |
276 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
277 } | |
278 | |
279 std::string content; | |
280 Orthanc::EmbeddedResources::GetFileResource(content, resource); | |
281 | |
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282 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, content.c_str(), content.size(), mime.c_str()); |
0 | 283 } |
284 | |
285 | |
286 | |
287 extern "C" | |
288 { | |
289 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
290 { | |
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291 OrthancPlugins::SetGlobalContext(context); |
0 | 292 assert(DisplayPerformanceWarning()); |
293 | |
294 /* Check the version of the Orthanc core */ | |
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295 if (OrthancPluginCheckVersion(OrthancPlugins::GetGlobalContext()) == 0) |
0 | 296 { |
297 char info[1024]; | |
298 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
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299 OrthancPlugins::GetGlobalContext()->orthancVersion, |
0 | 300 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, |
301 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
302 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
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303 OrthancPluginLogError(OrthancPlugins::GetGlobalContext(), info); |
0 | 304 return -1; |
305 } | |
306 | |
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307 if (!OrthancPlugins::CheckMinimalOrthancVersion(1, 1, 0)) |
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308 { |
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309 // We need the "/instances/.../frames/.../raw" URI that was introduced in Orthanc 1.1.0 |
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310 return -1; |
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311 } |
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312 |
151 | 313 Orthanc::Logging::Initialize(context); |
314 | |
0 | 315 // Limit the number of PNG transcoders to the number of available |
316 // hardware threads (e.g. number of CPUs or cores or | |
317 // hyperthreading units) | |
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318 unsigned int threads = Orthanc::SystemToolbox::GetHardwareConcurrency(); |
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319 transcoderSemaphore_.reset(new Orthanc::Semaphore(threads)); |
0 | 320 |
321 char info[1024]; | |
145 | 322 sprintf(info, "The whole-slide imaging plugin will use at most %u threads to transcode the tiles", threads); |
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323 OrthancPluginLogWarning(OrthancPlugins::GetGlobalContext(), info); |
0 | 324 |
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325 OrthancPluginSetDescription(context, "Provides a Web viewer of whole-slide microscopic images within Orthanc."); |
0 | 326 |
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327 orthanc_.reset(new OrthancPlugins::OrthancPluginConnection); |
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328 cache_.reset(new OrthancWSI::DicomPyramidCache(*orthanc_, 10 /* Number of pyramids to be cached - TODO parameter */)); |
0 | 329 |
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330 OrthancPluginRegisterOnChangeCallback(OrthancPlugins::GetGlobalContext(), OnChangeCallback); |
0 | 331 |
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332 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(ol.css)", true); |
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333 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(ol.js)", true); |
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334 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(viewer.html)", true); |
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335 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(viewer.js)", true); |
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336 OrthancPlugins::RegisterRestCallback<ServePyramid>("/wsi/pyramids/([0-9a-f-]+)", true); |
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337 OrthancPlugins::RegisterRestCallback<ServeTile>("/wsi/tiles/([0-9a-f-]+)/([0-9-]+)/([0-9-]+)/([0-9-]+)", true); |
0 | 338 |
339 // Extend the default Orthanc Explorer with custom JavaScript for WSI | |
340 std::string explorer; | |
341 Orthanc::EmbeddedResources::GetFileResource(explorer, Orthanc::EmbeddedResources::ORTHANC_EXPLORER); | |
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342 OrthancPluginExtendOrthancExplorer(OrthancPlugins::GetGlobalContext(), explorer.c_str()); |
0 | 343 |
344 return 0; | |
345 } | |
346 | |
347 | |
348 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
349 { | |
350 cache_.reset(NULL); | |
351 orthanc_.reset(NULL); | |
352 transcoderSemaphore_.reset(NULL); | |
353 } | |
354 | |
355 | |
356 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
357 { | |
358 return "wsi"; | |
359 } | |
360 | |
361 | |
362 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
363 { | |
364 return ORTHANC_WSI_VERSION; | |
365 } | |
366 } |