Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/MessagingToolbox.cpp @ 40:7207a407bcd8
shared copyright with osimis
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 04 Jan 2017 16:37:42 +0100 |
| parents | 6465fbd23bce |
| children | 28956ed68280 |
| rev | line source |
|---|---|
| 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 } |