Mercurial > hg > orthanc-webviewer
annotate Plugin/ViewerToolbox.cpp @ 293:e376158e2dbb
upgrade to year 2021
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 06 Jan 2021 18:02:43 +0100 |
| parents | aadbffcee805 |
| children | fb7d62e3235e |
| 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 |
|
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5 * Copyright (C) 2017-2021 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 | |
| 22 #include "ViewerToolbox.h" | |
| 23 | |
| 287 | 24 #include <Logging.h> |
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25 #include <OrthancException.h> |
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26 #include <Toolbox.h> |
| 0 | 27 |
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28 // To gain access to ORTHANC_PLUGINS_VERSION_IS_ABOVE if Orthanc SDK <= 1.3.0 |
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29 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
| 172 | 30 |
| 0 | 31 #include <stdexcept> |
| 32 #include <boost/lexical_cast.hpp> | |
| 33 #include <sys/stat.h> | |
| 34 | |
| 35 namespace OrthancPlugins | |
| 36 { | |
| 37 bool GetStringFromOrthanc(std::string& content, | |
| 38 OrthancPluginContext* context, | |
| 39 const std::string& uri) | |
| 40 { | |
| 41 OrthancPluginMemoryBuffer answer; | |
| 42 | |
| 43 if (OrthancPluginRestApiGet(context, &answer, uri.c_str())) | |
| 44 { | |
| 45 return false; | |
| 46 } | |
| 47 | |
| 48 if (answer.size) | |
| 49 { | |
| 50 try | |
| 51 { | |
| 52 content.assign(reinterpret_cast<const char*>(answer.data), answer.size); | |
| 53 } | |
| 54 catch (std::bad_alloc&) | |
| 55 { | |
| 56 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 79 | 57 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); |
| 0 | 58 } |
| 59 } | |
| 60 | |
| 61 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 62 return true; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 bool GetJsonFromOrthanc(Json::Value& json, | |
| 67 OrthancPluginContext* context, | |
| 68 const std::string& uri) | |
| 69 { | |
| 70 OrthancPluginMemoryBuffer answer; | |
| 71 | |
| 72 if (OrthancPluginRestApiGet(context, &answer, uri.c_str())) | |
| 73 { | |
| 74 return false; | |
| 75 } | |
| 76 | |
| 77 if (answer.size) | |
| 78 { | |
| 79 try | |
| 80 { | |
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81 if (!Orthanc::Toolbox::ReadJsonWithoutComments(json, answer.data, answer.size)) |
| 0 | 82 { |
| 83 return false; | |
| 84 } | |
| 85 } | |
| 86 catch (std::runtime_error&) | |
| 87 { | |
| 88 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 89 return false; | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 94 return true; | |
| 95 } | |
| 96 | |
| 97 | |
| 98 | |
| 99 | |
| 100 bool TokenizeVector(std::vector<float>& result, | |
| 101 const std::string& value, | |
| 102 unsigned int expectedSize) | |
| 103 { | |
| 104 std::vector<std::string> tokens; | |
| 105 Orthanc::Toolbox::TokenizeString(tokens, value, '\\'); | |
| 106 | |
| 107 if (tokens.size() != expectedSize) | |
| 108 { | |
| 109 return false; | |
| 110 } | |
| 111 | |
| 112 result.resize(tokens.size()); | |
| 113 | |
| 114 for (size_t i = 0; i < tokens.size(); i++) | |
| 115 { | |
| 116 try | |
| 117 { | |
| 118 result[i] = boost::lexical_cast<float>(tokens[i]); | |
| 119 } | |
| 120 catch (boost::bad_lexical_cast&) | |
| 121 { | |
| 122 return false; | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 return true; | |
| 127 } | |
| 128 | |
| 129 | |
| 79 | 130 void CompressUsingDeflate(std::string& compressed, |
| 131 OrthancPluginContext* context, | |
| 0 | 132 const void* uncompressed, |
| 79 | 133 size_t uncompressedSize) |
| 0 | 134 { |
| 79 | 135 OrthancPluginMemoryBuffer tmp; |
| 136 | |
| 137 OrthancPluginErrorCode code = OrthancPluginBufferCompression( | |
| 138 context, &tmp, uncompressed, uncompressedSize, | |
| 139 OrthancPluginCompressionType_Zlib, 0 /*compress*/); | |
| 140 | |
| 141 if (code != OrthancPluginErrorCode_Success) | |
| 0 | 142 { |
| 79 | 143 throw Orthanc::OrthancException(static_cast<Orthanc::ErrorCode>(code)); |
| 0 | 144 } |
| 145 | |
| 79 | 146 try |
| 147 { | |
| 148 compressed.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); | |
| 149 } | |
| 150 catch (...) | |
| 151 { | |
| 152 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); | |
| 153 } | |
| 0 | 154 |
| 79 | 155 OrthancPluginFreeMemoryBuffer(context, &tmp); |
| 0 | 156 } |
| 157 | |
| 158 | |
| 159 const char* GetMimeType(const std::string& path) | |
| 160 { | |
| 161 size_t dot = path.find_last_of('.'); | |
| 162 | |
| 163 std::string extension = (dot == std::string::npos) ? "" : path.substr(dot); | |
| 164 std::transform(extension.begin(), extension.end(), extension.begin(), tolower); | |
| 165 | |
| 166 if (extension == ".html") | |
| 167 { | |
| 168 return "text/html"; | |
| 169 } | |
| 170 else if (extension == ".css") | |
| 171 { | |
| 172 return "text/css"; | |
| 173 } | |
| 174 else if (extension == ".js") | |
| 175 { | |
| 176 return "application/javascript"; | |
| 177 } | |
| 178 else if (extension == ".gif") | |
| 179 { | |
| 180 return "image/gif"; | |
| 181 } | |
| 182 else if (extension == ".svg") | |
| 183 { | |
| 184 return "image/svg+xml"; | |
| 185 } | |
| 186 else if (extension == ".json") | |
| 187 { | |
| 188 return "application/json"; | |
| 189 } | |
| 190 else if (extension == ".xml") | |
| 191 { | |
| 192 return "application/xml"; | |
| 193 } | |
| 194 else if (extension == ".png") | |
| 195 { | |
| 196 return "image/png"; | |
| 197 } | |
| 198 else if (extension == ".jpg" || extension == ".jpeg") | |
| 199 { | |
| 200 return "image/jpeg"; | |
| 201 } | |
| 202 else | |
| 203 { | |
| 204 return "application/octet-stream"; | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 | |
| 209 bool ReadConfiguration(Json::Value& configuration, | |
| 210 OrthancPluginContext* context) | |
| 211 { | |
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212 std::string s; |
| 0 | 213 |
| 214 { | |
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215 char* tmp = OrthancPluginGetConfiguration(context); |
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216 if (tmp == NULL) |
| 0 | 217 { |
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218 LOG(ERROR) << "Error while retrieving the configuration from Orthanc"; |
| 0 | 219 return false; |
| 220 } | |
| 221 | |
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222 s.assign(tmp); |
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223 OrthancPluginFreeString(context, tmp); |
| 0 | 224 } |
| 225 | |
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226 if (Orthanc::Toolbox::ReadJson(configuration, s)) |
| 0 | 227 { |
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228 return true; |
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229 } |
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230 else |
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231 { |
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232 LOG(ERROR) << "Unable to parse the configuration"; |
| 0 | 233 return false; |
| 234 } | |
| 235 } | |
| 236 | |
| 237 | |
| 238 std::string GetStringValue(const Json::Value& configuration, | |
| 239 const std::string& key, | |
| 240 const std::string& defaultValue) | |
| 241 { | |
| 242 if (configuration.type() != Json::objectValue || | |
| 243 !configuration.isMember(key) || | |
| 244 configuration[key].type() != Json::stringValue) | |
| 245 { | |
| 246 return defaultValue; | |
| 247 } | |
| 248 else | |
| 249 { | |
| 250 return configuration[key].asString(); | |
| 251 } | |
| 252 } | |
| 253 | |
| 254 | |
| 255 int GetIntegerValue(const Json::Value& configuration, | |
| 256 const std::string& key, | |
| 257 int defaultValue) | |
| 258 { | |
| 259 if (configuration.type() != Json::objectValue || | |
| 260 !configuration.isMember(key) || | |
| 261 configuration[key].type() != Json::intValue) | |
| 262 { | |
| 263 return defaultValue; | |
| 264 } | |
| 265 else | |
| 266 { | |
| 267 return configuration[key].asInt(); | |
| 268 } | |
| 269 } | |
| 270 | |
| 271 | |
| 79 | 272 OrthancPluginPixelFormat Convert(Orthanc::PixelFormat format) |
| 0 | 273 { |
| 79 | 274 switch (format) |
| 275 { | |
| 276 case Orthanc::PixelFormat_Grayscale16: | |
| 277 return OrthancPluginPixelFormat_Grayscale16; | |
| 278 | |
| 279 case Orthanc::PixelFormat_Grayscale8: | |
| 280 return OrthancPluginPixelFormat_Grayscale8; | |
| 281 | |
| 282 case Orthanc::PixelFormat_RGB24: | |
| 283 return OrthancPluginPixelFormat_RGB24; | |
| 284 | |
| 172 | 285 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 3, 1) |
| 286 case Orthanc::PixelFormat_RGB48: | |
| 287 return OrthancPluginPixelFormat_RGB48; | |
| 288 #endif | |
| 289 | |
| 79 | 290 case Orthanc::PixelFormat_RGBA32: |
| 291 return OrthancPluginPixelFormat_RGBA32; | |
| 292 | |
| 293 case Orthanc::PixelFormat_SignedGrayscale16: | |
| 294 return OrthancPluginPixelFormat_SignedGrayscale16; | |
| 295 | |
| 296 default: | |
| 297 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 298 } | |
| 299 } | |
| 300 | |
| 301 | |
| 302 Orthanc::PixelFormat Convert(OrthancPluginPixelFormat format) | |
| 303 { | |
| 304 switch (format) | |
| 0 | 305 { |
| 79 | 306 case OrthancPluginPixelFormat_Grayscale16: |
| 307 return Orthanc::PixelFormat_Grayscale16; | |
| 308 | |
| 309 case OrthancPluginPixelFormat_Grayscale8: | |
| 310 return Orthanc::PixelFormat_Grayscale8; | |
| 311 | |
| 312 case OrthancPluginPixelFormat_RGB24: | |
| 313 return Orthanc::PixelFormat_RGB24; | |
| 314 | |
| 172 | 315 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 3, 1) |
| 316 case OrthancPluginPixelFormat_RGB48: | |
| 317 return Orthanc::PixelFormat_RGB48; | |
| 318 #endif | |
| 319 | |
| 79 | 320 case OrthancPluginPixelFormat_RGBA32: |
| 321 return Orthanc::PixelFormat_RGBA32; | |
| 322 | |
| 323 case OrthancPluginPixelFormat_SignedGrayscale16: | |
| 324 return Orthanc::PixelFormat_SignedGrayscale16; | |
| 0 | 325 |
| 79 | 326 default: |
| 327 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 | |
| 332 void WriteJpegToMemory(std::string& result, | |
| 333 OrthancPluginContext* context, | |
| 334 const Orthanc::ImageAccessor& accessor, | |
| 335 uint8_t quality) | |
| 336 { | |
| 337 OrthancPluginMemoryBuffer tmp; | |
| 338 | |
| 339 OrthancPluginErrorCode code = OrthancPluginCompressJpegImage | |
| 340 (context, &tmp, Convert(accessor.GetFormat()), | |
| 341 accessor.GetWidth(), accessor.GetHeight(), accessor.GetPitch(), | |
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342 accessor.GetConstBuffer(), quality); |
| 79 | 343 |
| 344 if (code != OrthancPluginErrorCode_Success) | |
| 0 | 345 { |
| 79 | 346 throw Orthanc::OrthancException(static_cast<Orthanc::ErrorCode>(code)); |
| 0 | 347 } |
| 348 | |
| 79 | 349 try |
| 0 | 350 { |
| 79 | 351 result.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); |
| 352 } | |
| 353 catch (...) | |
| 354 { | |
| 355 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); | |
| 0 | 356 } |
| 357 | |
| 79 | 358 OrthancPluginFreeMemoryBuffer(context, &tmp); |
| 359 } | |
| 360 | |
| 361 | |
| 362 | |
| 363 ImageReader::ImageReader(OrthancPluginContext* context, | |
| 364 const std::string& image, | |
| 365 OrthancPluginImageFormat format) : context_(context) | |
| 366 { | |
| 367 image_ = OrthancPluginUncompressImage(context_, image.c_str(), image.size(), format); | |
| 368 | |
| 369 if (image_ == NULL) | |
| 0 | 370 { |
| 79 | 371 throw Orthanc::OrthancException(Orthanc::ErrorCode_CorruptedFile); |
| 0 | 372 } |
| 79 | 373 } |
| 0 | 374 |
| 375 | |
| 79 | 376 ImageReader::~ImageReader() |
| 377 { | |
| 378 OrthancPluginFreeImage(context_, image_); | |
| 379 } | |
| 380 | |
| 0 | 381 |
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382 void ImageReader::GetAccessor(Orthanc::ImageAccessor& target) const |
| 79 | 383 { |
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384 target.AssignReadOnly(Convert(OrthancPluginGetImagePixelFormat(context_, image_)), |
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385 OrthancPluginGetImageWidth(context_, image_), |
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386 OrthancPluginGetImageHeight(context_, image_), |
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387 OrthancPluginGetImagePitch(context_, image_), |
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388 OrthancPluginGetImageBuffer(context_, image_)); |
| 0 | 389 } |
| 390 } |