Mercurial > hg > orthanc-webviewer
annotate Plugin/ViewerToolbox.cpp @ 303:fb7d62e3235e
sync
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 21 Feb 2022 17:16:10 +0100 |
| parents | e376158e2dbb |
| children | 0a1ad7492050 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 122 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 0 | 4 * Department, University Hospital of Liege, Belgium |
| 303 | 5 * Copyright (C) 2017-2022 Osimis S.A., Belgium |
| 6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium | |
| 0 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Affero General Public License | |
| 10 * as published by the Free Software Foundation, either version 3 of | |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * Affero General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Affero General Public License | |
| 19 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 **/ | |
| 21 | |
| 22 | |
| 23 #include "ViewerToolbox.h" | |
| 24 | |
| 287 | 25 #include <Logging.h> |
|
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26 #include <OrthancException.h> |
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27 #include <Toolbox.h> |
| 0 | 28 |
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29 // To gain access to ORTHANC_PLUGINS_VERSION_IS_ABOVE if Orthanc SDK <= 1.3.0 |
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30 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
| 172 | 31 |
| 0 | 32 #include <stdexcept> |
| 33 #include <boost/lexical_cast.hpp> | |
| 34 #include <sys/stat.h> | |
| 35 | |
| 36 namespace OrthancPlugins | |
| 37 { | |
| 38 bool GetStringFromOrthanc(std::string& content, | |
| 39 OrthancPluginContext* context, | |
| 40 const std::string& uri) | |
| 41 { | |
| 42 OrthancPluginMemoryBuffer answer; | |
| 43 | |
| 44 if (OrthancPluginRestApiGet(context, &answer, uri.c_str())) | |
| 45 { | |
| 46 return false; | |
| 47 } | |
| 48 | |
| 49 if (answer.size) | |
| 50 { | |
| 51 try | |
| 52 { | |
| 53 content.assign(reinterpret_cast<const char*>(answer.data), answer.size); | |
| 54 } | |
| 55 catch (std::bad_alloc&) | |
| 56 { | |
| 57 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 79 | 58 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); |
| 0 | 59 } |
| 60 } | |
| 61 | |
| 62 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 63 return true; | |
| 64 } | |
| 65 | |
| 66 | |
| 67 bool GetJsonFromOrthanc(Json::Value& json, | |
| 68 OrthancPluginContext* context, | |
| 69 const std::string& uri) | |
| 70 { | |
| 71 OrthancPluginMemoryBuffer answer; | |
| 72 | |
| 73 if (OrthancPluginRestApiGet(context, &answer, uri.c_str())) | |
| 74 { | |
| 75 return false; | |
| 76 } | |
| 77 | |
| 78 if (answer.size) | |
| 79 { | |
| 80 try | |
| 81 { | |
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82 if (!Orthanc::Toolbox::ReadJsonWithoutComments(json, answer.data, answer.size)) |
| 0 | 83 { |
| 84 return false; | |
| 85 } | |
| 86 } | |
| 87 catch (std::runtime_error&) | |
| 88 { | |
| 89 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 90 return false; | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 95 return true; | |
| 96 } | |
| 97 | |
| 98 | |
| 99 | |
| 100 | |
| 101 bool TokenizeVector(std::vector<float>& result, | |
| 102 const std::string& value, | |
| 103 unsigned int expectedSize) | |
| 104 { | |
| 105 std::vector<std::string> tokens; | |
| 106 Orthanc::Toolbox::TokenizeString(tokens, value, '\\'); | |
| 107 | |
| 108 if (tokens.size() != expectedSize) | |
| 109 { | |
| 110 return false; | |
| 111 } | |
| 112 | |
| 113 result.resize(tokens.size()); | |
| 114 | |
| 115 for (size_t i = 0; i < tokens.size(); i++) | |
| 116 { | |
| 117 try | |
| 118 { | |
| 119 result[i] = boost::lexical_cast<float>(tokens[i]); | |
| 120 } | |
| 121 catch (boost::bad_lexical_cast&) | |
| 122 { | |
| 123 return false; | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 return true; | |
| 128 } | |
| 129 | |
| 130 | |
| 79 | 131 void CompressUsingDeflate(std::string& compressed, |
| 132 OrthancPluginContext* context, | |
| 0 | 133 const void* uncompressed, |
| 79 | 134 size_t uncompressedSize) |
| 0 | 135 { |
| 79 | 136 OrthancPluginMemoryBuffer tmp; |
| 137 | |
| 138 OrthancPluginErrorCode code = OrthancPluginBufferCompression( | |
| 139 context, &tmp, uncompressed, uncompressedSize, | |
| 140 OrthancPluginCompressionType_Zlib, 0 /*compress*/); | |
| 141 | |
| 142 if (code != OrthancPluginErrorCode_Success) | |
| 0 | 143 { |
| 79 | 144 throw Orthanc::OrthancException(static_cast<Orthanc::ErrorCode>(code)); |
| 0 | 145 } |
| 146 | |
| 79 | 147 try |
| 148 { | |
| 149 compressed.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); | |
| 150 } | |
| 151 catch (...) | |
| 152 { | |
| 153 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); | |
| 154 } | |
| 0 | 155 |
| 79 | 156 OrthancPluginFreeMemoryBuffer(context, &tmp); |
| 0 | 157 } |
| 158 | |
| 159 | |
| 160 const char* GetMimeType(const std::string& path) | |
| 161 { | |
| 162 size_t dot = path.find_last_of('.'); | |
| 163 | |
| 164 std::string extension = (dot == std::string::npos) ? "" : path.substr(dot); | |
| 165 std::transform(extension.begin(), extension.end(), extension.begin(), tolower); | |
| 166 | |
| 167 if (extension == ".html") | |
| 168 { | |
| 169 return "text/html"; | |
| 170 } | |
| 171 else if (extension == ".css") | |
| 172 { | |
| 173 return "text/css"; | |
| 174 } | |
| 175 else if (extension == ".js") | |
| 176 { | |
| 177 return "application/javascript"; | |
| 178 } | |
| 179 else if (extension == ".gif") | |
| 180 { | |
| 181 return "image/gif"; | |
| 182 } | |
| 183 else if (extension == ".svg") | |
| 184 { | |
| 185 return "image/svg+xml"; | |
| 186 } | |
| 187 else if (extension == ".json") | |
| 188 { | |
| 189 return "application/json"; | |
| 190 } | |
| 191 else if (extension == ".xml") | |
| 192 { | |
| 193 return "application/xml"; | |
| 194 } | |
| 195 else if (extension == ".png") | |
| 196 { | |
| 197 return "image/png"; | |
| 198 } | |
| 199 else if (extension == ".jpg" || extension == ".jpeg") | |
| 200 { | |
| 201 return "image/jpeg"; | |
| 202 } | |
| 203 else | |
| 204 { | |
| 205 return "application/octet-stream"; | |
| 206 } | |
| 207 } | |
| 208 | |
| 209 | |
| 210 bool ReadConfiguration(Json::Value& configuration, | |
| 211 OrthancPluginContext* context) | |
| 212 { | |
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213 std::string s; |
| 0 | 214 |
| 215 { | |
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216 char* tmp = OrthancPluginGetConfiguration(context); |
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217 if (tmp == NULL) |
| 0 | 218 { |
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219 LOG(ERROR) << "Error while retrieving the configuration from Orthanc"; |
| 0 | 220 return false; |
| 221 } | |
| 222 | |
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223 s.assign(tmp); |
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224 OrthancPluginFreeString(context, tmp); |
| 0 | 225 } |
| 226 | |
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227 if (Orthanc::Toolbox::ReadJson(configuration, s)) |
| 0 | 228 { |
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229 return true; |
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230 } |
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231 else |
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232 { |
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233 LOG(ERROR) << "Unable to parse the configuration"; |
| 0 | 234 return false; |
| 235 } | |
| 236 } | |
| 237 | |
| 238 | |
| 239 std::string GetStringValue(const Json::Value& configuration, | |
| 240 const std::string& key, | |
| 241 const std::string& defaultValue) | |
| 242 { | |
| 243 if (configuration.type() != Json::objectValue || | |
| 244 !configuration.isMember(key) || | |
| 245 configuration[key].type() != Json::stringValue) | |
| 246 { | |
| 247 return defaultValue; | |
| 248 } | |
| 249 else | |
| 250 { | |
| 251 return configuration[key].asString(); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 | |
| 256 int GetIntegerValue(const Json::Value& configuration, | |
| 257 const std::string& key, | |
| 258 int defaultValue) | |
| 259 { | |
| 260 if (configuration.type() != Json::objectValue || | |
| 261 !configuration.isMember(key) || | |
| 262 configuration[key].type() != Json::intValue) | |
| 263 { | |
| 264 return defaultValue; | |
| 265 } | |
| 266 else | |
| 267 { | |
| 268 return configuration[key].asInt(); | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 | |
| 79 | 273 OrthancPluginPixelFormat Convert(Orthanc::PixelFormat format) |
| 0 | 274 { |
| 79 | 275 switch (format) |
| 276 { | |
| 277 case Orthanc::PixelFormat_Grayscale16: | |
| 278 return OrthancPluginPixelFormat_Grayscale16; | |
| 279 | |
| 280 case Orthanc::PixelFormat_Grayscale8: | |
| 281 return OrthancPluginPixelFormat_Grayscale8; | |
| 282 | |
| 283 case Orthanc::PixelFormat_RGB24: | |
| 284 return OrthancPluginPixelFormat_RGB24; | |
| 285 | |
| 172 | 286 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 3, 1) |
| 287 case Orthanc::PixelFormat_RGB48: | |
| 288 return OrthancPluginPixelFormat_RGB48; | |
| 289 #endif | |
| 290 | |
| 79 | 291 case Orthanc::PixelFormat_RGBA32: |
| 292 return OrthancPluginPixelFormat_RGBA32; | |
| 293 | |
| 294 case Orthanc::PixelFormat_SignedGrayscale16: | |
| 295 return OrthancPluginPixelFormat_SignedGrayscale16; | |
| 296 | |
| 297 default: | |
| 298 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 | |
| 303 Orthanc::PixelFormat Convert(OrthancPluginPixelFormat format) | |
| 304 { | |
| 305 switch (format) | |
| 0 | 306 { |
| 79 | 307 case OrthancPluginPixelFormat_Grayscale16: |
| 308 return Orthanc::PixelFormat_Grayscale16; | |
| 309 | |
| 310 case OrthancPluginPixelFormat_Grayscale8: | |
| 311 return Orthanc::PixelFormat_Grayscale8; | |
| 312 | |
| 313 case OrthancPluginPixelFormat_RGB24: | |
| 314 return Orthanc::PixelFormat_RGB24; | |
| 315 | |
| 172 | 316 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 3, 1) |
| 317 case OrthancPluginPixelFormat_RGB48: | |
| 318 return Orthanc::PixelFormat_RGB48; | |
| 319 #endif | |
| 320 | |
| 79 | 321 case OrthancPluginPixelFormat_RGBA32: |
| 322 return Orthanc::PixelFormat_RGBA32; | |
| 323 | |
| 324 case OrthancPluginPixelFormat_SignedGrayscale16: | |
| 325 return Orthanc::PixelFormat_SignedGrayscale16; | |
| 0 | 326 |
| 79 | 327 default: |
| 328 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 329 } | |
| 330 } | |
| 331 | |
| 332 | |
| 333 void WriteJpegToMemory(std::string& result, | |
| 334 OrthancPluginContext* context, | |
| 335 const Orthanc::ImageAccessor& accessor, | |
| 336 uint8_t quality) | |
| 337 { | |
| 338 OrthancPluginMemoryBuffer tmp; | |
| 339 | |
| 340 OrthancPluginErrorCode code = OrthancPluginCompressJpegImage | |
| 341 (context, &tmp, Convert(accessor.GetFormat()), | |
| 342 accessor.GetWidth(), accessor.GetHeight(), accessor.GetPitch(), | |
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343 accessor.GetConstBuffer(), quality); |
| 79 | 344 |
| 345 if (code != OrthancPluginErrorCode_Success) | |
| 0 | 346 { |
| 79 | 347 throw Orthanc::OrthancException(static_cast<Orthanc::ErrorCode>(code)); |
| 0 | 348 } |
| 349 | |
| 79 | 350 try |
| 0 | 351 { |
| 79 | 352 result.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); |
| 353 } | |
| 354 catch (...) | |
| 355 { | |
| 356 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); | |
| 0 | 357 } |
| 358 | |
| 79 | 359 OrthancPluginFreeMemoryBuffer(context, &tmp); |
| 360 } | |
| 361 | |
| 362 | |
| 363 | |
| 364 ImageReader::ImageReader(OrthancPluginContext* context, | |
| 365 const std::string& image, | |
| 366 OrthancPluginImageFormat format) : context_(context) | |
| 367 { | |
| 368 image_ = OrthancPluginUncompressImage(context_, image.c_str(), image.size(), format); | |
| 369 | |
| 370 if (image_ == NULL) | |
| 0 | 371 { |
| 79 | 372 throw Orthanc::OrthancException(Orthanc::ErrorCode_CorruptedFile); |
| 0 | 373 } |
| 79 | 374 } |
| 0 | 375 |
| 376 | |
| 79 | 377 ImageReader::~ImageReader() |
| 378 { | |
| 379 OrthancPluginFreeImage(context_, image_); | |
| 380 } | |
| 381 | |
| 0 | 382 |
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383 void ImageReader::GetAccessor(Orthanc::ImageAccessor& target) const |
| 79 | 384 { |
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385 target.AssignReadOnly(Convert(OrthancPluginGetImagePixelFormat(context_, image_)), |
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386 OrthancPluginGetImageWidth(context_, image_), |
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387 OrthancPluginGetImageHeight(context_, image_), |
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388 OrthancPluginGetImagePitch(context_, image_), |
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389 OrthancPluginGetImageBuffer(context_, image_)); |
| 0 | 390 } |
| 391 } |