Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/Plugin.cpp @ 206:e12a4588d4bd
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 04 Aug 2020 14:15:51 +0200 |
parents | a1c265cb2174 |
children | 7459819f3176 |
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) 2017-2020 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 "../Framework/Jpeg2000Reader.h" |
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25 #include "DicomPyramidCache.h" |
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26 #include "OrthancPluginConnection.h" |
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27 |
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28 #include <Compatibility.h> // For std::unique_ptr |
192 | 29 #include <Logging.h> |
30 #include <Images/ImageProcessing.h> | |
31 #include <Images/PngWriter.h> | |
32 #include <MultiThreading/Semaphore.h> | |
33 #include <OrthancException.h> | |
34 #include <SystemToolbox.h> | |
35 | |
194 | 36 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
0 | 37 |
38 #include <EmbeddedResources.h> | |
39 | |
40 #include <cassert> | |
41 | |
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42 std::unique_ptr<OrthancWSI::OrthancPluginConnection> orthanc_; |
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43 std::unique_ptr<OrthancWSI::DicomPyramidCache> cache_; |
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44 std::unique_ptr<Orthanc::Semaphore> transcoderSemaphore_; |
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45 |
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46 |
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47 static void AnswerSparseTile(OrthancPluginRestOutput* output, |
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48 unsigned int tileWidth, |
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49 unsigned int tileHeight) |
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50 { |
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51 Orthanc::Image tile(Orthanc::PixelFormat_RGB24, tileWidth, tileHeight, false); |
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52 |
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53 // Black (TODO parameter) |
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54 uint8_t red = 0; |
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55 uint8_t green = 0; |
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56 uint8_t blue = 0; |
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57 Orthanc::ImageProcessing::Set(tile, red, green, blue, 255); |
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58 |
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59 // TODO Cache the tile |
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60 OrthancPluginCompressAndAnswerPngImage(OrthancPlugins::GetGlobalContext(), |
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61 output, OrthancPluginPixelFormat_RGB24, |
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62 tile.GetWidth(), tile.GetHeight(), |
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63 tile.GetPitch(), tile.GetBuffer()); |
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64 } |
0 | 65 |
66 | |
67 static bool DisplayPerformanceWarning() | |
68 { | |
69 (void) DisplayPerformanceWarning; // Disable warning about unused function | |
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70 OrthancPluginLogWarning(OrthancPlugins::GetGlobalContext(), "Performance warning in whole-slide imaging: " |
0 | 71 "Non-release build, runtime debug assertions are turned on"); |
72 return true; | |
73 } | |
74 | |
75 | |
76 void ServePyramid(OrthancPluginRestOutput* output, | |
77 const char* url, | |
78 const OrthancPluginHttpRequest* request) | |
79 { | |
80 std::string seriesId(request->groups[0]); | |
81 | |
82 char tmp[1024]; | |
83 sprintf(tmp, "Accessing whole-slide pyramid of series %s", seriesId.c_str()); | |
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84 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 85 |
86 | |
87 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
88 | |
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89 unsigned int tileWidth = locker.GetPyramid().GetTileWidth(); |
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90 unsigned int tileHeight = locker.GetPyramid().GetTileHeight(); |
0 | 91 unsigned int totalWidth = locker.GetPyramid().GetLevelWidth(0); |
92 unsigned int totalHeight = locker.GetPyramid().GetLevelHeight(0); | |
93 | |
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94 Json::Value sizes = Json::arrayValue; |
0 | 95 Json::Value resolutions = Json::arrayValue; |
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96 Json::Value tilesCount = Json::arrayValue; |
0 | 97 for (unsigned int i = 0; i < locker.GetPyramid().GetLevelCount(); i++) |
98 { | |
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99 unsigned int levelWidth = locker.GetPyramid().GetLevelWidth(i); |
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100 unsigned int levelHeight = locker.GetPyramid().GetLevelHeight(i); |
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101 |
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102 resolutions.append(static_cast<float>(totalWidth) / static_cast<float>(levelWidth)); |
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103 |
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104 Json::Value s = Json::arrayValue; |
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105 s.append(levelWidth); |
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106 s.append(levelHeight); |
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107 sizes.append(s); |
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108 |
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109 s = Json::arrayValue; |
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110 s.append(OrthancWSI::CeilingDivision(levelWidth, tileWidth)); |
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111 s.append(OrthancWSI::CeilingDivision(levelHeight, tileHeight)); |
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112 tilesCount.append(s); |
0 | 113 } |
114 | |
115 Json::Value result; | |
116 result["ID"] = seriesId; | |
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117 result["Resolutions"] = resolutions; |
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118 result["Sizes"] = sizes; |
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119 result["TileHeight"] = tileHeight; |
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120 result["TileWidth"] = tileWidth; |
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121 result["TilesCount"] = tilesCount; |
0 | 122 result["TotalHeight"] = totalHeight; |
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123 result["TotalWidth"] = totalWidth; |
0 | 124 |
125 std::string s = result.toStyledString(); | |
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126 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), "application/json"); |
0 | 127 } |
128 | |
129 | |
130 void ServeTile(OrthancPluginRestOutput* output, | |
131 const char* url, | |
132 const OrthancPluginHttpRequest* request) | |
133 { | |
134 std::string seriesId(request->groups[0]); | |
135 int level = boost::lexical_cast<int>(request->groups[1]); | |
136 int tileY = boost::lexical_cast<int>(request->groups[3]); | |
137 int tileX = boost::lexical_cast<int>(request->groups[2]); | |
138 | |
139 char tmp[1024]; | |
140 sprintf(tmp, "Accessing tile in series %s: (%d,%d) at level %d", seriesId.c_str(), tileX, tileY, level); | |
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141 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 142 |
143 if (level < 0 || | |
144 tileX < 0 || | |
145 tileY < 0) | |
146 { | |
147 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
148 } | |
149 | |
150 // Retrieve the raw tile from the WSI pyramid | |
151 OrthancWSI::ImageCompression compression; | |
152 Orthanc::PixelFormat format; | |
153 std::string tile; | |
154 unsigned int tileWidth, tileHeight; | |
155 | |
156 { | |
157 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
158 | |
159 format = locker.GetPyramid().GetPixelFormat(); | |
160 tileWidth = locker.GetPyramid().GetTileWidth(); | |
161 tileHeight = locker.GetPyramid().GetTileHeight(); | |
162 | |
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163 if (!locker.GetPyramid().ReadRawTile(tile, compression, |
0 | 164 static_cast<unsigned int>(level), |
165 static_cast<unsigned int>(tileX), | |
166 static_cast<unsigned int>(tileY))) | |
167 { | |
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168 // Handling of missing tile (for sparse tiling): TODO parameter? |
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169 // AnswerSparseTile(output, tileWidth, tileHeight); return; |
0 | 170 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
171 } | |
172 } | |
173 | |
174 | |
175 // Test whether the tile is a JPEG image. In such a case, we can | |
176 // serve it as such, because any Web browser can handle JPEG | |
177 | |
178 if (compression == OrthancWSI::ImageCompression_Jpeg) | |
179 { | |
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180 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, tile.c_str(), tile.size(), "image/jpeg"); |
0 | 181 return; // We're done |
182 } | |
183 | |
184 | |
185 // The tile does not come from a DICOM-JPEG instance, we need to | |
186 // decompress the raw tile | |
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187 std::unique_ptr<Orthanc::ImageAccessor> decoded; |
0 | 188 |
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189 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); |
0 | 190 |
191 switch (compression) | |
192 { | |
193 case OrthancWSI::ImageCompression_Jpeg2000: | |
194 decoded.reset(new OrthancWSI::Jpeg2000Reader); | |
195 dynamic_cast<OrthancWSI::Jpeg2000Reader&>(*decoded).ReadFromMemory(tile); | |
196 break; | |
197 | |
198 case OrthancWSI::ImageCompression_None: | |
199 { | |
200 unsigned int bpp = Orthanc::GetBytesPerPixel(format); | |
201 if (bpp * tileWidth * tileHeight != tile.size()) | |
202 { | |
203 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
204 } | |
205 | |
206 decoded.reset(new Orthanc::ImageAccessor); | |
207 decoded->AssignReadOnly(format, tileWidth, tileHeight, bpp * tileWidth, tile.c_str()); | |
208 break; | |
209 } | |
210 | |
211 default: | |
212 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
213 } | |
214 | |
215 | |
216 // This is a lossless frame (coming from a JPEG2000 or uncompressed | |
217 // DICOM instance), serve it as a PNG image so as to prevent lossy | |
218 // compression | |
219 | |
220 std::string png; | |
221 Orthanc::PngWriter writer; | |
222 writer.WriteToMemory(png, *decoded); | |
223 | |
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224 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, png.c_str(), png.size(), "image/png"); |
0 | 225 } |
226 | |
227 | |
228 OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, | |
229 OrthancPluginResourceType resourceType, | |
230 const char *resourceId) | |
231 { | |
232 if (resourceType == OrthancPluginResourceType_Series && | |
233 changeType == OrthancPluginChangeType_NewChildInstance) | |
234 { | |
235 char tmp[1024]; | |
236 sprintf(tmp, "New instance has been added to series %s, invalidating it", resourceId); | |
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237 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 238 |
239 cache_->Invalidate(resourceId); | |
240 } | |
241 | |
242 return OrthancPluginErrorCode_Success; | |
243 } | |
244 | |
245 | |
246 | |
247 void ServeFile(OrthancPluginRestOutput* output, | |
248 const char* url, | |
249 const OrthancPluginHttpRequest* request) | |
250 { | |
251 Orthanc::EmbeddedResources::FileResourceId resource; | |
252 | |
253 std::string f(request->groups[0]); | |
254 std::string mime; | |
255 | |
256 if (f == "viewer.html") | |
257 { | |
258 resource = Orthanc::EmbeddedResources::VIEWER_HTML; | |
259 mime = "text/html"; | |
260 } | |
261 else if (f == "viewer.js") | |
262 { | |
263 resource = Orthanc::EmbeddedResources::VIEWER_JS; | |
264 mime = "application/javascript"; | |
265 } | |
266 else if (f == "ol.js") | |
267 { | |
268 resource = Orthanc::EmbeddedResources::OPENLAYERS_JS; | |
269 mime = "application/javascript"; | |
270 } | |
271 else if (f == "ol.css") | |
272 { | |
273 resource = Orthanc::EmbeddedResources::OPENLAYERS_CSS; | |
274 mime = "text/css"; | |
275 } | |
276 else | |
277 { | |
278 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
279 } | |
280 | |
281 std::string content; | |
282 Orthanc::EmbeddedResources::GetFileResource(content, resource); | |
283 | |
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284 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, content.c_str(), content.size(), mime.c_str()); |
0 | 285 } |
286 | |
287 | |
288 | |
289 extern "C" | |
290 { | |
291 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
292 { | |
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293 OrthancPlugins::SetGlobalContext(context); |
0 | 294 assert(DisplayPerformanceWarning()); |
295 | |
296 /* Check the version of the Orthanc core */ | |
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297 if (OrthancPluginCheckVersion(OrthancPlugins::GetGlobalContext()) == 0) |
0 | 298 { |
299 char info[1024]; | |
300 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
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301 OrthancPlugins::GetGlobalContext()->orthancVersion, |
0 | 302 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, |
303 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
304 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
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305 OrthancPluginLogError(OrthancPlugins::GetGlobalContext(), info); |
0 | 306 return -1; |
307 } | |
308 | |
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309 if (!OrthancPlugins::CheckMinimalOrthancVersion(1, 1, 0)) |
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310 { |
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311 // We need the "/instances/.../frames/.../raw" URI that was introduced in Orthanc 1.1.0 |
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312 return -1; |
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313 } |
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314 |
206 | 315 #if ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 7, 2) |
191 | 316 Orthanc::Logging::InitializePluginContext(context); |
193 | 317 #else |
318 Orthanc::Logging::Initialize(context); | |
319 #endif | |
151 | 320 |
0 | 321 // Limit the number of PNG transcoders to the number of available |
322 // hardware threads (e.g. number of CPUs or cores or | |
323 // hyperthreading units) | |
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324 unsigned int threads = Orthanc::SystemToolbox::GetHardwareConcurrency(); |
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325 transcoderSemaphore_.reset(new Orthanc::Semaphore(threads)); |
0 | 326 |
327 char info[1024]; | |
145 | 328 sprintf(info, "The whole-slide imaging plugin will use at most %u threads to transcode the tiles", threads); |
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329 OrthancPluginLogWarning(OrthancPlugins::GetGlobalContext(), info); |
0 | 330 |
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331 OrthancPluginSetDescription(context, "Provides a Web viewer of whole-slide microscopic images within Orthanc."); |
0 | 332 |
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333 orthanc_.reset(new OrthancWSI::OrthancPluginConnection); |
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334 cache_.reset(new OrthancWSI::DicomPyramidCache(*orthanc_, 10 /* Number of pyramids to be cached - TODO parameter */)); |
0 | 335 |
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336 OrthancPluginRegisterOnChangeCallback(OrthancPlugins::GetGlobalContext(), OnChangeCallback); |
0 | 337 |
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338 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(ol.css)", true); |
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339 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(ol.js)", true); |
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340 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(viewer.html)", true); |
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341 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(viewer.js)", true); |
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342 OrthancPlugins::RegisterRestCallback<ServePyramid>("/wsi/pyramids/([0-9a-f-]+)", true); |
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343 OrthancPlugins::RegisterRestCallback<ServeTile>("/wsi/tiles/([0-9a-f-]+)/([0-9-]+)/([0-9-]+)/([0-9-]+)", true); |
0 | 344 |
345 // Extend the default Orthanc Explorer with custom JavaScript for WSI | |
346 std::string explorer; | |
347 Orthanc::EmbeddedResources::GetFileResource(explorer, Orthanc::EmbeddedResources::ORTHANC_EXPLORER); | |
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348 OrthancPluginExtendOrthancExplorer(OrthancPlugins::GetGlobalContext(), explorer.c_str()); |
0 | 349 |
350 return 0; | |
351 } | |
352 | |
353 | |
354 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
355 { | |
356 cache_.reset(NULL); | |
357 orthanc_.reset(NULL); | |
358 transcoderSemaphore_.reset(NULL); | |
359 } | |
360 | |
361 | |
362 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
363 { | |
364 return "wsi"; | |
365 } | |
366 | |
367 | |
368 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
369 { | |
370 return ORTHANC_WSI_VERSION; | |
371 } | |
372 } |