Mercurial > hg > orthanc-webviewer
annotate Plugin/ViewerToolbox.cpp @ 174:81f16c5667ba
upgrade to year 2018
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 02 Jan 2018 09:59:39 +0100 |
| parents | 330ecfd96aec |
| children | 993dd140bd30 |
| 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) 2017-2018 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 | |
| 26 | 24 #include "../Orthanc/Core/OrthancException.h" |
| 25 #include "../Orthanc/Core/Toolbox.h" | |
| 0 | 26 |
| 172 | 27 // Gain access to ORTHANC_PLUGINS_VERSION_IS_ABOVE if Orthanc SDK <= 1.3.0 |
| 28 #include "../Orthanc/Plugins/Samples/GdcmDecoder/GdcmImageDecoder.h" | |
| 29 | |
| 0 | 30 #include <json/reader.h> |
| 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 { | |
| 81 const char* data = reinterpret_cast<const char*>(answer.data); | |
| 82 Json::Reader reader; | |
| 83 if (!reader.parse(data, data + answer.size, json, | |
| 84 false /* don't collect comments */)) | |
| 85 { | |
| 86 return false; | |
| 87 } | |
| 88 } | |
| 89 catch (std::runtime_error&) | |
| 90 { | |
| 91 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 92 return false; | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 OrthancPluginFreeMemoryBuffer(context, &answer); | |
| 97 return true; | |
| 98 } | |
| 99 | |
| 100 | |
| 101 | |
| 102 | |
| 103 bool TokenizeVector(std::vector<float>& result, | |
| 104 const std::string& value, | |
| 105 unsigned int expectedSize) | |
| 106 { | |
| 107 std::vector<std::string> tokens; | |
| 108 Orthanc::Toolbox::TokenizeString(tokens, value, '\\'); | |
| 109 | |
| 110 if (tokens.size() != expectedSize) | |
| 111 { | |
| 112 return false; | |
| 113 } | |
| 114 | |
| 115 result.resize(tokens.size()); | |
| 116 | |
| 117 for (size_t i = 0; i < tokens.size(); i++) | |
| 118 { | |
| 119 try | |
| 120 { | |
| 121 result[i] = boost::lexical_cast<float>(tokens[i]); | |
| 122 } | |
| 123 catch (boost::bad_lexical_cast&) | |
| 124 { | |
| 125 return false; | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 return true; | |
| 130 } | |
| 131 | |
| 132 | |
| 79 | 133 void CompressUsingDeflate(std::string& compressed, |
| 134 OrthancPluginContext* context, | |
| 0 | 135 const void* uncompressed, |
| 79 | 136 size_t uncompressedSize) |
| 0 | 137 { |
| 79 | 138 OrthancPluginMemoryBuffer tmp; |
| 139 | |
| 140 OrthancPluginErrorCode code = OrthancPluginBufferCompression( | |
| 141 context, &tmp, uncompressed, uncompressedSize, | |
| 142 OrthancPluginCompressionType_Zlib, 0 /*compress*/); | |
| 143 | |
| 144 if (code != OrthancPluginErrorCode_Success) | |
| 0 | 145 { |
| 79 | 146 throw Orthanc::OrthancException(static_cast<Orthanc::ErrorCode>(code)); |
| 0 | 147 } |
| 148 | |
| 79 | 149 try |
| 150 { | |
| 151 compressed.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); | |
| 152 } | |
| 153 catch (...) | |
| 154 { | |
| 155 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); | |
| 156 } | |
| 0 | 157 |
| 79 | 158 OrthancPluginFreeMemoryBuffer(context, &tmp); |
| 0 | 159 } |
| 160 | |
| 161 | |
| 162 const char* GetMimeType(const std::string& path) | |
| 163 { | |
| 164 size_t dot = path.find_last_of('.'); | |
| 165 | |
| 166 std::string extension = (dot == std::string::npos) ? "" : path.substr(dot); | |
| 167 std::transform(extension.begin(), extension.end(), extension.begin(), tolower); | |
| 168 | |
| 169 if (extension == ".html") | |
| 170 { | |
| 171 return "text/html"; | |
| 172 } | |
| 173 else if (extension == ".css") | |
| 174 { | |
| 175 return "text/css"; | |
| 176 } | |
| 177 else if (extension == ".js") | |
| 178 { | |
| 179 return "application/javascript"; | |
| 180 } | |
| 181 else if (extension == ".gif") | |
| 182 { | |
| 183 return "image/gif"; | |
| 184 } | |
| 185 else if (extension == ".svg") | |
| 186 { | |
| 187 return "image/svg+xml"; | |
| 188 } | |
| 189 else if (extension == ".json") | |
| 190 { | |
| 191 return "application/json"; | |
| 192 } | |
| 193 else if (extension == ".xml") | |
| 194 { | |
| 195 return "application/xml"; | |
| 196 } | |
| 197 else if (extension == ".png") | |
| 198 { | |
| 199 return "image/png"; | |
| 200 } | |
| 201 else if (extension == ".jpg" || extension == ".jpeg") | |
| 202 { | |
| 203 return "image/jpeg"; | |
| 204 } | |
| 205 else | |
| 206 { | |
| 207 return "application/octet-stream"; | |
| 208 } | |
| 209 } | |
| 210 | |
| 211 | |
| 212 bool ReadConfiguration(Json::Value& configuration, | |
| 213 OrthancPluginContext* context) | |
| 214 { | |
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215 std::string s; |
| 0 | 216 |
| 217 { | |
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218 char* tmp = OrthancPluginGetConfiguration(context); |
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219 if (tmp == NULL) |
| 0 | 220 { |
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221 OrthancPluginLogError(context, "Error while retrieving the configuration from Orthanc"); |
| 0 | 222 return false; |
| 223 } | |
| 224 | |
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225 s.assign(tmp); |
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226 OrthancPluginFreeString(context, tmp); |
| 0 | 227 } |
| 228 | |
| 229 Json::Reader reader; | |
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230 if (reader.parse(s, configuration)) |
| 0 | 231 { |
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232 return true; |
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233 } |
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234 else |
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235 { |
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236 OrthancPluginLogError(context, "Unable to parse the configuration"); |
| 0 | 237 return false; |
| 238 } | |
| 239 } | |
| 240 | |
| 241 | |
| 242 std::string GetStringValue(const Json::Value& configuration, | |
| 243 const std::string& key, | |
| 244 const std::string& defaultValue) | |
| 245 { | |
| 246 if (configuration.type() != Json::objectValue || | |
| 247 !configuration.isMember(key) || | |
| 248 configuration[key].type() != Json::stringValue) | |
| 249 { | |
| 250 return defaultValue; | |
| 251 } | |
| 252 else | |
| 253 { | |
| 254 return configuration[key].asString(); | |
| 255 } | |
| 256 } | |
| 257 | |
| 258 | |
| 259 int GetIntegerValue(const Json::Value& configuration, | |
| 260 const std::string& key, | |
| 261 int defaultValue) | |
| 262 { | |
| 263 if (configuration.type() != Json::objectValue || | |
| 264 !configuration.isMember(key) || | |
| 265 configuration[key].type() != Json::intValue) | |
| 266 { | |
| 267 return defaultValue; | |
| 268 } | |
| 269 else | |
| 270 { | |
| 271 return configuration[key].asInt(); | |
| 272 } | |
| 273 } | |
| 274 | |
| 275 | |
| 79 | 276 OrthancPluginPixelFormat Convert(Orthanc::PixelFormat format) |
| 0 | 277 { |
| 79 | 278 switch (format) |
| 279 { | |
| 280 case Orthanc::PixelFormat_Grayscale16: | |
| 281 return OrthancPluginPixelFormat_Grayscale16; | |
| 282 | |
| 283 case Orthanc::PixelFormat_Grayscale8: | |
| 284 return OrthancPluginPixelFormat_Grayscale8; | |
| 285 | |
| 286 case Orthanc::PixelFormat_RGB24: | |
| 287 return OrthancPluginPixelFormat_RGB24; | |
| 288 | |
| 172 | 289 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 3, 1) |
| 290 case Orthanc::PixelFormat_RGB48: | |
| 291 return OrthancPluginPixelFormat_RGB48; | |
| 292 #endif | |
| 293 | |
| 79 | 294 case Orthanc::PixelFormat_RGBA32: |
| 295 return OrthancPluginPixelFormat_RGBA32; | |
| 296 | |
| 297 case Orthanc::PixelFormat_SignedGrayscale16: | |
| 298 return OrthancPluginPixelFormat_SignedGrayscale16; | |
| 299 | |
| 300 default: | |
| 301 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 302 } | |
| 303 } | |
| 304 | |
| 305 | |
| 306 Orthanc::PixelFormat Convert(OrthancPluginPixelFormat format) | |
| 307 { | |
| 308 switch (format) | |
| 0 | 309 { |
| 79 | 310 case OrthancPluginPixelFormat_Grayscale16: |
| 311 return Orthanc::PixelFormat_Grayscale16; | |
| 312 | |
| 313 case OrthancPluginPixelFormat_Grayscale8: | |
| 314 return Orthanc::PixelFormat_Grayscale8; | |
| 315 | |
| 316 case OrthancPluginPixelFormat_RGB24: | |
| 317 return Orthanc::PixelFormat_RGB24; | |
| 318 | |
| 172 | 319 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 3, 1) |
| 320 case OrthancPluginPixelFormat_RGB48: | |
| 321 return Orthanc::PixelFormat_RGB48; | |
| 322 #endif | |
| 323 | |
| 79 | 324 case OrthancPluginPixelFormat_RGBA32: |
| 325 return Orthanc::PixelFormat_RGBA32; | |
| 326 | |
| 327 case OrthancPluginPixelFormat_SignedGrayscale16: | |
| 328 return Orthanc::PixelFormat_SignedGrayscale16; | |
| 0 | 329 |
| 79 | 330 default: |
| 331 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 332 } | |
| 333 } | |
| 334 | |
| 335 | |
| 336 void WriteJpegToMemory(std::string& result, | |
| 337 OrthancPluginContext* context, | |
| 338 const Orthanc::ImageAccessor& accessor, | |
| 339 uint8_t quality) | |
| 340 { | |
| 341 OrthancPluginMemoryBuffer tmp; | |
| 342 | |
| 343 OrthancPluginErrorCode code = OrthancPluginCompressJpegImage | |
| 344 (context, &tmp, Convert(accessor.GetFormat()), | |
| 345 accessor.GetWidth(), accessor.GetHeight(), accessor.GetPitch(), | |
|
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346 accessor.GetConstBuffer(), quality); |
| 79 | 347 |
| 348 if (code != OrthancPluginErrorCode_Success) | |
| 0 | 349 { |
| 79 | 350 throw Orthanc::OrthancException(static_cast<Orthanc::ErrorCode>(code)); |
| 0 | 351 } |
| 352 | |
| 79 | 353 try |
| 0 | 354 { |
| 79 | 355 result.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); |
| 356 } | |
| 357 catch (...) | |
| 358 { | |
| 359 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); | |
| 0 | 360 } |
| 361 | |
| 79 | 362 OrthancPluginFreeMemoryBuffer(context, &tmp); |
| 363 } | |
| 364 | |
| 365 | |
| 366 | |
| 367 ImageReader::ImageReader(OrthancPluginContext* context, | |
| 368 const std::string& image, | |
| 369 OrthancPluginImageFormat format) : context_(context) | |
| 370 { | |
| 371 image_ = OrthancPluginUncompressImage(context_, image.c_str(), image.size(), format); | |
| 372 | |
| 373 if (image_ == NULL) | |
| 0 | 374 { |
| 79 | 375 throw Orthanc::OrthancException(Orthanc::ErrorCode_CorruptedFile); |
| 0 | 376 } |
| 79 | 377 } |
| 0 | 378 |
| 379 | |
| 79 | 380 ImageReader::~ImageReader() |
| 381 { | |
| 382 OrthancPluginFreeImage(context_, image_); | |
| 383 } | |
| 384 | |
| 0 | 385 |
| 79 | 386 Orthanc::ImageAccessor ImageReader::GetAccessor() const |
| 387 { | |
| 388 Orthanc::ImageAccessor accessor; | |
| 0 | 389 |
| 79 | 390 accessor.AssignReadOnly(Convert(OrthancPluginGetImagePixelFormat(context_, image_)), |
| 391 OrthancPluginGetImageWidth(context_, image_), | |
| 392 OrthancPluginGetImageHeight(context_, image_), | |
| 393 OrthancPluginGetImagePitch(context_, image_), | |
| 394 OrthancPluginGetImageBuffer(context_, image_)); | |
| 395 | |
| 396 return accessor; | |
| 0 | 397 } |
| 398 } |