Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/MessagingToolbox.cpp @ 45:ecd96e563929 wasm
new wasm branch
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 19 Apr 2017 10:28:08 +0200 |
parents | 7207a407bcd8 |
children | 28956ed68280 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017 Osimis, Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "MessagingToolbox.h" | |
35 | |
16 | 36 #include "../../Resources/Orthanc/Core/Images/Image.h" |
37 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" | |
38 #include "../../Resources/Orthanc/Core/Images/JpegReader.h" | |
39 #include "../../Resources/Orthanc/Core/Images/PngReader.h" | |
40 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
41 #include "../../Resources/Orthanc/Core/Toolbox.h" | |
42 #include "../../Resources/Orthanc/Core/Logging.h" | |
0 | 43 |
44 #include <boost/lexical_cast.hpp> | |
45 #include <json/reader.h> | |
46 | |
47 #if defined(__native_client__) | |
48 # include <boost/math/special_functions/round.hpp> | |
49 #else | |
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50 # include <boost/date_time/posix_time/posix_time.hpp> |
0 | 51 # include <boost/date_time/microsec_time_clock.hpp> |
52 #endif | |
53 | |
54 namespace OrthancStone | |
55 { | |
56 namespace MessagingToolbox | |
57 { | |
58 #if defined(__native_client__) | |
59 static pp::Core* core_ = NULL; | |
60 | |
61 void Timestamp::Initialize(pp::Core* core) | |
62 { | |
63 if (core == NULL) | |
64 { | |
65 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
66 } | |
67 | |
68 core_ = core; | |
69 } | |
70 | |
71 Timestamp::Timestamp() | |
72 { | |
73 if (core_ == NULL) | |
74 { | |
75 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
76 } | |
77 | |
78 time_ = core_->GetTimeTicks(); | |
79 } | |
80 | |
81 int Timestamp::GetMillisecondsSince(const Timestamp& other) | |
82 { | |
83 double difference = time_ - other.time_; | |
84 return static_cast<int>(boost::math::iround(difference * 1000.0)); | |
85 } | |
86 #else | |
87 Timestamp::Timestamp() | |
88 { | |
89 time_ = boost::posix_time::microsec_clock::local_time(); | |
90 } | |
91 | |
92 int Timestamp::GetMillisecondsSince(const Timestamp& other) | |
93 { | |
94 boost::posix_time::time_duration difference = time_ - other.time_; | |
95 return static_cast<int>(difference.total_milliseconds()); | |
96 } | |
97 #endif | |
98 | |
99 static bool ParseVersion(std::string& version, | |
100 unsigned int& major, | |
101 unsigned int& minor, | |
102 unsigned int& patch, | |
103 const Json::Value& info) | |
104 { | |
105 if (info.type() != Json::objectValue || | |
106 !info.isMember("Version") || | |
107 info["Version"].type() != Json::stringValue) | |
108 { | |
109 return false; | |
110 } | |
111 | |
112 version = info["Version"].asString(); | |
113 if (version == "mainline") | |
114 { | |
115 // Some arbitrary high values Orthanc versions will never reach ;) | |
116 major = 999; | |
117 minor = 999; | |
118 patch = 999; | |
119 return true; | |
120 } | |
121 | |
122 std::vector<std::string> tokens; | |
123 Orthanc::Toolbox::TokenizeString(tokens, version, '.'); | |
124 | |
125 if (tokens.size() != 2 && | |
126 tokens.size() != 3) | |
127 { | |
128 return false; | |
129 } | |
130 | |
131 int a, b, c; | |
132 try | |
133 { | |
134 a = boost::lexical_cast<int>(tokens[0]); | |
135 b = boost::lexical_cast<int>(tokens[1]); | |
136 | |
137 if (tokens.size() == 3) | |
138 { | |
139 c = boost::lexical_cast<int>(tokens[2]); | |
140 } | |
141 else | |
142 { | |
143 c = 0; | |
144 } | |
145 } | |
146 catch (boost::bad_lexical_cast&) | |
147 { | |
148 return false; | |
149 } | |
150 | |
151 if (a < 0 || | |
152 b < 0 || | |
153 c < 0) | |
154 { | |
155 return false; | |
156 } | |
157 else | |
158 { | |
159 major = static_cast<unsigned int>(a); | |
160 minor = static_cast<unsigned int>(b); | |
161 patch = static_cast<unsigned int>(c); | |
162 return true; | |
163 } | |
164 } | |
165 | |
34 | 166 |
167 static void ParseJson(Json::Value& target, | |
168 const std::string& source) | |
0 | 169 { |
170 Json::Reader reader; | |
171 if (!reader.parse(source, target)) | |
172 { | |
173 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
174 } | |
175 } | |
176 | |
34 | 177 |
0 | 178 void RestApiGet(Json::Value& target, |
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179 OrthancPlugins::IOrthancConnection& orthanc, |
0 | 180 const std::string& uri) |
181 { | |
182 std::string tmp; | |
183 orthanc.RestApiGet(tmp, uri); | |
184 ParseJson(target, tmp); | |
185 } | |
186 | |
187 | |
34 | 188 void RestApiPost(Json::Value& target, |
189 OrthancPlugins::IOrthancConnection& orthanc, | |
190 const std::string& uri, | |
191 const std::string& body) | |
192 { | |
193 std::string tmp; | |
194 orthanc.RestApiPost(tmp, uri, body); | |
195 ParseJson(target, tmp); | |
196 } | |
197 | |
198 | |
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199 bool HasWebViewerInstalled(OrthancPlugins::IOrthancConnection& orthanc) |
0 | 200 { |
201 try | |
202 { | |
203 Json::Value json; | |
204 RestApiGet(json, orthanc, "/plugins/web-viewer"); | |
205 return json.type() == Json::objectValue; | |
206 } | |
207 catch (Orthanc::OrthancException&) | |
208 { | |
209 return false; | |
210 } | |
211 } | |
212 | |
213 | |
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214 bool CheckOrthancVersion(OrthancPlugins::IOrthancConnection& orthanc) |
0 | 215 { |
216 Json::Value json; | |
217 std::string version; | |
218 unsigned int major, minor, patch; | |
219 | |
220 try | |
221 { | |
222 RestApiGet(json, orthanc, "/system"); | |
223 } | |
224 catch (Orthanc::OrthancException&) | |
225 { | |
226 LOG(ERROR) << "Cannot connect to your Orthanc server"; | |
227 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
228 } | |
229 | |
230 if (!ParseVersion(version, major, minor, patch, json)) | |
231 { | |
232 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
233 } | |
234 | |
235 LOG(WARNING) << "Version of the Orthanc core (must be above 1.1.0): " << version; | |
236 | |
237 // Stone is only compatible with Orthanc >= 1.1.0, otherwise deadlocks might occur | |
238 if (major < 1 || | |
239 (major == 1 && minor < 1)) | |
240 { | |
241 return false; | |
242 } | |
243 | |
244 try | |
245 { | |
246 RestApiGet(json, orthanc, "/plugins/web-viewer"); | |
247 } | |
248 catch (Orthanc::OrthancException&) | |
249 { | |
250 // The Web viewer is not installed, this is OK | |
251 LOG(WARNING) << "The Web viewer plugin is not installed, progressive download is disabled"; | |
252 return true; | |
253 } | |
254 | |
255 if (!ParseVersion(version, major, minor, patch, json)) | |
256 { | |
257 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
258 } | |
259 | |
260 LOG(WARNING) << "Version of the Web viewer plugin (must be above 2.2): " << version; | |
261 | |
262 return (major >= 3 || | |
263 (major == 2 && minor >= 2)); | |
264 } | |
265 | |
266 | |
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267 Orthanc::ImageAccessor* DecodeFrame(OrthancPlugins::IOrthancConnection& orthanc, |
0 | 268 const std::string& instance, |
269 unsigned int frame, | |
270 Orthanc::PixelFormat targetFormat) | |
271 { | |
272 std::string uri = ("instances/" + instance + "/frames/" + | |
273 boost::lexical_cast<std::string>(frame)); | |
274 | |
275 std::string compressed; | |
276 | |
277 switch (targetFormat) | |
278 { | |
279 case Orthanc::PixelFormat_RGB24: | |
280 orthanc.RestApiGet(compressed, uri + "/preview"); | |
281 break; | |
282 | |
283 case Orthanc::PixelFormat_Grayscale16: | |
284 orthanc.RestApiGet(compressed, uri + "/image-uint16"); | |
285 break; | |
286 | |
287 case Orthanc::PixelFormat_SignedGrayscale16: | |
288 orthanc.RestApiGet(compressed, uri + "/image-int16"); | |
289 break; | |
290 | |
291 default: | |
292 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
293 } | |
294 | |
295 std::auto_ptr<Orthanc::PngReader> result(new Orthanc::PngReader); | |
296 result->ReadFromMemory(compressed); | |
297 | |
298 if (targetFormat == Orthanc::PixelFormat_SignedGrayscale16) | |
299 { | |
300 if (result->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
301 { | |
302 result->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
303 } | |
304 else | |
305 { | |
306 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
307 } | |
308 } | |
309 | |
310 return result.release(); | |
311 } | |
312 | |
313 | |
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314 Orthanc::ImageAccessor* DecodeJpegFrame(OrthancPlugins::IOrthancConnection& orthanc, |
0 | 315 const std::string& instance, |
316 unsigned int frame, | |
317 unsigned int quality, | |
318 Orthanc::PixelFormat targetFormat) | |
319 { | |
320 if (quality <= 0 || | |
321 quality > 100) | |
322 { | |
323 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
324 } | |
325 | |
326 // This requires the official Web viewer plugin to be installed! | |
327 std::string uri = ("web-viewer/instances/jpeg" + | |
328 boost::lexical_cast<std::string>(quality) + | |
329 "-" + instance + "_" + | |
330 boost::lexical_cast<std::string>(frame)); | |
331 | |
332 Json::Value encoded; | |
333 RestApiGet(encoded, orthanc, uri); | |
334 | |
335 if (encoded.type() != Json::objectValue || | |
336 !encoded.isMember("Orthanc") || | |
337 encoded["Orthanc"].type() != Json::objectValue) | |
338 { | |
339 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
340 } | |
341 | |
342 Json::Value& info = encoded["Orthanc"]; | |
343 if (!info.isMember("PixelData") || | |
344 !info.isMember("Stretched") || | |
345 !info.isMember("Compression") || | |
346 info["Compression"].type() != Json::stringValue || | |
347 info["PixelData"].type() != Json::stringValue || | |
348 info["Stretched"].type() != Json::booleanValue || | |
349 info["Compression"].asString() != "Jpeg") | |
350 { | |
351 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
352 } | |
353 | |
354 bool isSigned = false; | |
355 bool isStretched = info["Stretched"].asBool(); | |
356 | |
357 if (info.isMember("IsSigned")) | |
358 { | |
359 if (info["IsSigned"].type() != Json::booleanValue) | |
360 { | |
361 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
362 } | |
363 else | |
364 { | |
365 isSigned = info["IsSigned"].asBool(); | |
366 } | |
367 } | |
368 | |
369 std::string jpeg; | |
370 Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); | |
371 | |
372 std::auto_ptr<Orthanc::JpegReader> reader(new Orthanc::JpegReader); | |
373 reader->ReadFromMemory(jpeg); | |
374 | |
375 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image | |
376 { | |
377 if (targetFormat != Orthanc::PixelFormat_RGB24) | |
378 { | |
379 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
380 } | |
381 | |
382 if (isSigned || isStretched) | |
383 { | |
384 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
385 } | |
386 else | |
387 { | |
388 return reader.release(); | |
389 } | |
390 } | |
391 | |
392 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
393 { | |
394 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
395 } | |
396 | |
397 if (!isStretched) | |
398 { | |
399 if (targetFormat != reader->GetFormat()) | |
400 { | |
401 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
402 } | |
403 | |
404 return reader.release(); | |
405 } | |
406 | |
407 int32_t stretchLow = 0; | |
408 int32_t stretchHigh = 0; | |
409 | |
410 if (!info.isMember("StretchLow") || | |
411 !info.isMember("StretchHigh") || | |
412 info["StretchLow"].type() != Json::intValue || | |
413 info["StretchHigh"].type() != Json::intValue) | |
414 { | |
415 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
416 } | |
417 | |
418 stretchLow = info["StretchLow"].asInt(); | |
419 stretchHigh = info["StretchHigh"].asInt(); | |
420 | |
421 if (stretchLow < -32768 || | |
422 stretchHigh > 65535 || | |
423 (stretchLow < 0 && stretchHigh > 32767)) | |
424 { | |
425 // This range cannot be represented with a uint16_t or an int16_t | |
426 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
427 } | |
428 | |
429 // Decode a grayscale JPEG 8bpp image coming from the Web viewer | |
430 std::auto_ptr<Orthanc::ImageAccessor> image | |
11 | 431 (new Orthanc::Image(targetFormat, reader->GetWidth(), reader->GetHeight(), false)); |
0 | 432 |
433 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; | |
434 float offset = static_cast<float>(stretchLow) / scaling; | |
435 | |
436 Orthanc::ImageProcessing::Convert(*image, *reader); | |
437 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling); | |
438 | |
439 #if 0 | |
440 /*info.removeMember("PixelData"); | |
441 std::cout << info.toStyledString();*/ | |
442 | |
443 int64_t a, b; | |
444 Orthanc::ImageProcessing::GetMinMaxValue(a, b, *image); | |
445 std::cout << stretchLow << "->" << stretchHigh << " = " << a << "->" << b << std::endl; | |
446 #endif | |
447 | |
448 return image.release(); | |
449 } | |
450 } | |
451 } |