Mercurial > hg > orthanc-stone
annotate Framework/Toolbox/MessagingToolbox.cpp @ 65:885932a893de wasm
OrthancFrameLayerSource
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 16 May 2017 22:12:41 +0200 |
| parents | 28956ed68280 |
| children | acb60cbb8301 4cff7b1ed31d |
| 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 | |
| 47 | 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. | |
| 0 | 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 | |
| 47 | 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 | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "MessagingToolbox.h" | |
| 23 | |
| 16 | 24 #include "../../Resources/Orthanc/Core/Images/Image.h" |
| 25 #include "../../Resources/Orthanc/Core/Images/ImageProcessing.h" | |
| 26 #include "../../Resources/Orthanc/Core/Images/JpegReader.h" | |
| 27 #include "../../Resources/Orthanc/Core/Images/PngReader.h" | |
| 28 #include "../../Resources/Orthanc/Core/OrthancException.h" | |
| 29 #include "../../Resources/Orthanc/Core/Toolbox.h" | |
| 30 #include "../../Resources/Orthanc/Core/Logging.h" | |
| 0 | 31 |
| 32 #include <boost/lexical_cast.hpp> | |
| 33 #include <json/reader.h> | |
| 34 | |
| 35 #if defined(__native_client__) | |
| 36 # include <boost/math/special_functions/round.hpp> | |
| 37 #else | |
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38 # include <boost/date_time/posix_time/posix_time.hpp> |
| 0 | 39 # include <boost/date_time/microsec_time_clock.hpp> |
| 40 #endif | |
| 41 | |
| 42 namespace OrthancStone | |
| 43 { | |
| 44 namespace MessagingToolbox | |
| 45 { | |
| 46 #if defined(__native_client__) | |
| 47 static pp::Core* core_ = NULL; | |
| 48 | |
| 49 void Timestamp::Initialize(pp::Core* core) | |
| 50 { | |
| 51 if (core == NULL) | |
| 52 { | |
| 53 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 54 } | |
| 55 | |
| 56 core_ = core; | |
| 57 } | |
| 58 | |
| 59 Timestamp::Timestamp() | |
| 60 { | |
| 61 if (core_ == NULL) | |
| 62 { | |
| 63 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 64 } | |
| 65 | |
| 66 time_ = core_->GetTimeTicks(); | |
| 67 } | |
| 68 | |
| 69 int Timestamp::GetMillisecondsSince(const Timestamp& other) | |
| 70 { | |
| 71 double difference = time_ - other.time_; | |
| 72 return static_cast<int>(boost::math::iround(difference * 1000.0)); | |
| 73 } | |
| 74 #else | |
| 75 Timestamp::Timestamp() | |
| 76 { | |
| 77 time_ = boost::posix_time::microsec_clock::local_time(); | |
| 78 } | |
| 79 | |
| 80 int Timestamp::GetMillisecondsSince(const Timestamp& other) | |
| 81 { | |
| 82 boost::posix_time::time_duration difference = time_ - other.time_; | |
| 83 return static_cast<int>(difference.total_milliseconds()); | |
| 84 } | |
| 85 #endif | |
| 86 | |
| 87 static bool ParseVersion(std::string& version, | |
| 88 unsigned int& major, | |
| 89 unsigned int& minor, | |
| 90 unsigned int& patch, | |
| 91 const Json::Value& info) | |
| 92 { | |
| 93 if (info.type() != Json::objectValue || | |
| 94 !info.isMember("Version") || | |
| 95 info["Version"].type() != Json::stringValue) | |
| 96 { | |
| 97 return false; | |
| 98 } | |
| 99 | |
| 100 version = info["Version"].asString(); | |
| 101 if (version == "mainline") | |
| 102 { | |
| 103 // Some arbitrary high values Orthanc versions will never reach ;) | |
| 104 major = 999; | |
| 105 minor = 999; | |
| 106 patch = 999; | |
| 107 return true; | |
| 108 } | |
| 109 | |
| 110 std::vector<std::string> tokens; | |
| 111 Orthanc::Toolbox::TokenizeString(tokens, version, '.'); | |
| 112 | |
| 113 if (tokens.size() != 2 && | |
| 114 tokens.size() != 3) | |
| 115 { | |
| 116 return false; | |
| 117 } | |
| 118 | |
| 119 int a, b, c; | |
| 120 try | |
| 121 { | |
| 122 a = boost::lexical_cast<int>(tokens[0]); | |
| 123 b = boost::lexical_cast<int>(tokens[1]); | |
| 124 | |
| 125 if (tokens.size() == 3) | |
| 126 { | |
| 127 c = boost::lexical_cast<int>(tokens[2]); | |
| 128 } | |
| 129 else | |
| 130 { | |
| 131 c = 0; | |
| 132 } | |
| 133 } | |
| 134 catch (boost::bad_lexical_cast&) | |
| 135 { | |
| 136 return false; | |
| 137 } | |
| 138 | |
| 139 if (a < 0 || | |
| 140 b < 0 || | |
| 141 c < 0) | |
| 142 { | |
| 143 return false; | |
| 144 } | |
| 145 else | |
| 146 { | |
| 147 major = static_cast<unsigned int>(a); | |
| 148 minor = static_cast<unsigned int>(b); | |
| 149 patch = static_cast<unsigned int>(c); | |
| 150 return true; | |
| 151 } | |
| 152 } | |
| 153 | |
| 34 | 154 |
| 155 static void ParseJson(Json::Value& target, | |
| 156 const std::string& source) | |
| 0 | 157 { |
| 158 Json::Reader reader; | |
| 159 if (!reader.parse(source, target)) | |
| 160 { | |
| 161 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 162 } | |
| 163 } | |
| 164 | |
| 34 | 165 |
| 0 | 166 void RestApiGet(Json::Value& target, |
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167 OrthancPlugins::IOrthancConnection& orthanc, |
| 0 | 168 const std::string& uri) |
| 169 { | |
| 170 std::string tmp; | |
| 171 orthanc.RestApiGet(tmp, uri); | |
| 172 ParseJson(target, tmp); | |
| 173 } | |
| 174 | |
| 175 | |
| 34 | 176 void RestApiPost(Json::Value& target, |
| 177 OrthancPlugins::IOrthancConnection& orthanc, | |
| 178 const std::string& uri, | |
| 179 const std::string& body) | |
| 180 { | |
| 181 std::string tmp; | |
| 182 orthanc.RestApiPost(tmp, uri, body); | |
| 183 ParseJson(target, tmp); | |
| 184 } | |
| 185 | |
| 186 | |
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187 bool HasWebViewerInstalled(OrthancPlugins::IOrthancConnection& orthanc) |
| 0 | 188 { |
| 189 try | |
| 190 { | |
| 191 Json::Value json; | |
| 192 RestApiGet(json, orthanc, "/plugins/web-viewer"); | |
| 193 return json.type() == Json::objectValue; | |
| 194 } | |
| 195 catch (Orthanc::OrthancException&) | |
| 196 { | |
| 197 return false; | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 | |
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202 bool CheckOrthancVersion(OrthancPlugins::IOrthancConnection& orthanc) |
| 0 | 203 { |
| 204 Json::Value json; | |
| 205 std::string version; | |
| 206 unsigned int major, minor, patch; | |
| 207 | |
| 208 try | |
| 209 { | |
| 210 RestApiGet(json, orthanc, "/system"); | |
| 211 } | |
| 212 catch (Orthanc::OrthancException&) | |
| 213 { | |
| 214 LOG(ERROR) << "Cannot connect to your Orthanc server"; | |
| 215 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 216 } | |
| 217 | |
| 218 if (!ParseVersion(version, major, minor, patch, json)) | |
| 219 { | |
| 220 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 221 } | |
| 222 | |
| 223 LOG(WARNING) << "Version of the Orthanc core (must be above 1.1.0): " << version; | |
| 224 | |
| 225 // Stone is only compatible with Orthanc >= 1.1.0, otherwise deadlocks might occur | |
| 226 if (major < 1 || | |
| 227 (major == 1 && minor < 1)) | |
| 228 { | |
| 229 return false; | |
| 230 } | |
| 231 | |
| 232 try | |
| 233 { | |
| 234 RestApiGet(json, orthanc, "/plugins/web-viewer"); | |
| 235 } | |
| 236 catch (Orthanc::OrthancException&) | |
| 237 { | |
| 238 // The Web viewer is not installed, this is OK | |
| 239 LOG(WARNING) << "The Web viewer plugin is not installed, progressive download is disabled"; | |
| 240 return true; | |
| 241 } | |
| 242 | |
| 243 if (!ParseVersion(version, major, minor, patch, json)) | |
| 244 { | |
| 245 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 246 } | |
| 247 | |
| 248 LOG(WARNING) << "Version of the Web viewer plugin (must be above 2.2): " << version; | |
| 249 | |
| 250 return (major >= 3 || | |
| 251 (major == 2 && minor >= 2)); | |
| 252 } | |
| 253 | |
| 254 | |
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255 Orthanc::ImageAccessor* DecodeFrame(OrthancPlugins::IOrthancConnection& orthanc, |
| 0 | 256 const std::string& instance, |
| 257 unsigned int frame, | |
| 258 Orthanc::PixelFormat targetFormat) | |
| 259 { | |
| 260 std::string uri = ("instances/" + instance + "/frames/" + | |
| 261 boost::lexical_cast<std::string>(frame)); | |
| 262 | |
| 263 std::string compressed; | |
| 264 | |
| 265 switch (targetFormat) | |
| 266 { | |
| 267 case Orthanc::PixelFormat_RGB24: | |
| 268 orthanc.RestApiGet(compressed, uri + "/preview"); | |
| 269 break; | |
| 270 | |
| 271 case Orthanc::PixelFormat_Grayscale16: | |
| 272 orthanc.RestApiGet(compressed, uri + "/image-uint16"); | |
| 273 break; | |
| 274 | |
| 275 case Orthanc::PixelFormat_SignedGrayscale16: | |
| 276 orthanc.RestApiGet(compressed, uri + "/image-int16"); | |
| 277 break; | |
| 278 | |
| 279 default: | |
| 280 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 281 } | |
| 282 | |
| 283 std::auto_ptr<Orthanc::PngReader> result(new Orthanc::PngReader); | |
| 284 result->ReadFromMemory(compressed); | |
| 285 | |
| 286 if (targetFormat == Orthanc::PixelFormat_SignedGrayscale16) | |
| 287 { | |
| 288 if (result->GetFormat() == Orthanc::PixelFormat_Grayscale16) | |
| 289 { | |
| 290 result->SetFormat(Orthanc::PixelFormat_SignedGrayscale16); | |
| 291 } | |
| 292 else | |
| 293 { | |
| 294 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 return result.release(); | |
| 299 } | |
| 300 | |
| 301 | |
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302 Orthanc::ImageAccessor* DecodeJpegFrame(OrthancPlugins::IOrthancConnection& orthanc, |
| 0 | 303 const std::string& instance, |
| 304 unsigned int frame, | |
| 305 unsigned int quality, | |
| 306 Orthanc::PixelFormat targetFormat) | |
| 307 { | |
| 308 if (quality <= 0 || | |
| 309 quality > 100) | |
| 310 { | |
| 311 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 312 } | |
| 313 | |
| 314 // This requires the official Web viewer plugin to be installed! | |
| 315 std::string uri = ("web-viewer/instances/jpeg" + | |
| 316 boost::lexical_cast<std::string>(quality) + | |
| 317 "-" + instance + "_" + | |
| 318 boost::lexical_cast<std::string>(frame)); | |
| 319 | |
| 320 Json::Value encoded; | |
| 321 RestApiGet(encoded, orthanc, uri); | |
| 322 | |
| 323 if (encoded.type() != Json::objectValue || | |
| 324 !encoded.isMember("Orthanc") || | |
| 325 encoded["Orthanc"].type() != Json::objectValue) | |
| 326 { | |
| 327 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 328 } | |
| 329 | |
| 330 Json::Value& info = encoded["Orthanc"]; | |
| 331 if (!info.isMember("PixelData") || | |
| 332 !info.isMember("Stretched") || | |
| 333 !info.isMember("Compression") || | |
| 334 info["Compression"].type() != Json::stringValue || | |
| 335 info["PixelData"].type() != Json::stringValue || | |
| 336 info["Stretched"].type() != Json::booleanValue || | |
| 337 info["Compression"].asString() != "Jpeg") | |
| 338 { | |
| 339 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 340 } | |
| 341 | |
| 342 bool isSigned = false; | |
| 343 bool isStretched = info["Stretched"].asBool(); | |
| 344 | |
| 345 if (info.isMember("IsSigned")) | |
| 346 { | |
| 347 if (info["IsSigned"].type() != Json::booleanValue) | |
| 348 { | |
| 349 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 350 } | |
| 351 else | |
| 352 { | |
| 353 isSigned = info["IsSigned"].asBool(); | |
| 354 } | |
| 355 } | |
| 356 | |
| 357 std::string jpeg; | |
| 358 Orthanc::Toolbox::DecodeBase64(jpeg, info["PixelData"].asString()); | |
| 359 | |
| 360 std::auto_ptr<Orthanc::JpegReader> reader(new Orthanc::JpegReader); | |
| 361 reader->ReadFromMemory(jpeg); | |
| 362 | |
| 363 if (reader->GetFormat() == Orthanc::PixelFormat_RGB24) // This is a color image | |
| 364 { | |
| 365 if (targetFormat != Orthanc::PixelFormat_RGB24) | |
| 366 { | |
| 367 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 368 } | |
| 369 | |
| 370 if (isSigned || isStretched) | |
| 371 { | |
| 372 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 373 } | |
| 374 else | |
| 375 { | |
| 376 return reader.release(); | |
| 377 } | |
| 378 } | |
| 379 | |
| 380 if (reader->GetFormat() != Orthanc::PixelFormat_Grayscale8) | |
| 381 { | |
| 382 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 383 } | |
| 384 | |
| 385 if (!isStretched) | |
| 386 { | |
| 387 if (targetFormat != reader->GetFormat()) | |
| 388 { | |
| 389 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 390 } | |
| 391 | |
| 392 return reader.release(); | |
| 393 } | |
| 394 | |
| 395 int32_t stretchLow = 0; | |
| 396 int32_t stretchHigh = 0; | |
| 397 | |
| 398 if (!info.isMember("StretchLow") || | |
| 399 !info.isMember("StretchHigh") || | |
| 400 info["StretchLow"].type() != Json::intValue || | |
| 401 info["StretchHigh"].type() != Json::intValue) | |
| 402 { | |
| 403 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 404 } | |
| 405 | |
| 406 stretchLow = info["StretchLow"].asInt(); | |
| 407 stretchHigh = info["StretchHigh"].asInt(); | |
| 408 | |
| 409 if (stretchLow < -32768 || | |
| 410 stretchHigh > 65535 || | |
| 411 (stretchLow < 0 && stretchHigh > 32767)) | |
| 412 { | |
| 413 // This range cannot be represented with a uint16_t or an int16_t | |
| 414 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 415 } | |
| 416 | |
| 417 // Decode a grayscale JPEG 8bpp image coming from the Web viewer | |
| 418 std::auto_ptr<Orthanc::ImageAccessor> image | |
| 11 | 419 (new Orthanc::Image(targetFormat, reader->GetWidth(), reader->GetHeight(), false)); |
| 0 | 420 |
| 421 float scaling = static_cast<float>(stretchHigh - stretchLow) / 255.0f; | |
| 422 float offset = static_cast<float>(stretchLow) / scaling; | |
| 423 | |
| 424 Orthanc::ImageProcessing::Convert(*image, *reader); | |
| 425 Orthanc::ImageProcessing::ShiftScale(*image, offset, scaling); | |
| 426 | |
| 427 #if 0 | |
| 428 /*info.removeMember("PixelData"); | |
| 429 std::cout << info.toStyledString();*/ | |
| 430 | |
| 431 int64_t a, b; | |
| 432 Orthanc::ImageProcessing::GetMinMaxValue(a, b, *image); | |
| 433 std::cout << stretchLow << "->" << stretchHigh << " = " << a << "->" << b << std::endl; | |
| 434 #endif | |
| 435 | |
| 436 return image.release(); | |
| 437 } | |
| 438 } | |
| 439 } |