Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/IIIF.cpp @ 272:c766c25fe492 iiif
upgrade from IIIF Image API 2.1.1 to 3.0.0
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 12 Jul 2023 08:40:59 +0200 |
| parents | 45e3b5adf4ae |
| children | 1c95010d9d2e |
| rev | line source |
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| 261 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2023 Osimis S.A., Belgium | |
| 6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium | |
| 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 "../Framework/PrecompiledHeadersWSI.h" | |
| 24 #include "IIIF.h" | |
| 25 | |
| 26 #include "DicomPyramidCache.h" | |
| 27 #include "RawTile.h" | |
| 28 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" | |
| 29 | |
| 30 #include <Images/Image.h> | |
| 31 #include <Images/ImageProcessing.h> | |
| 32 #include <Logging.h> | |
| 265 | 33 #include <SerializationToolbox.h> |
| 261 | 34 |
| 35 #include <boost/regex.hpp> | |
| 36 #include <boost/math/special_functions/round.hpp> | |
| 37 | |
| 38 | |
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39 static const char* const ROWS = "0028,0010"; |
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40 static const char* const COLUMNS = "0028,0011"; |
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41 |
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42 |
| 261 | 43 static std::string iiifPublicUrl_; |
| 44 | |
| 45 | |
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46 static void ServeIIIFTiledImageInfo(OrthancPluginRestOutput* output, |
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47 const char* url, |
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48 const OrthancPluginHttpRequest* request) |
| 261 | 49 { |
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50 const std::string seriesId(request->groups[0]); |
| 261 | 51 |
| 52 LOG(INFO) << "IIIF: Image API call to whole-slide pyramid of series " << seriesId; | |
| 53 | |
| 54 OrthancWSI::DicomPyramidCache::Locker locker(seriesId); | |
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55 const OrthancWSI::ITiledPyramid& pyramid = locker.GetPyramid(); |
| 261 | 56 |
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57 if (pyramid.GetLevelCount() == 0) |
| 261 | 58 { |
| 59 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 60 } | |
| 61 | |
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62 if (pyramid.GetTileWidth(0) != pyramid.GetTileHeight(0)) |
| 261 | 63 { |
| 64 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat, | |
| 65 "IIIF doesn't support non-isotropic tile sizes"); | |
| 66 } | |
| 67 | |
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68 for (unsigned int i = 1; i < pyramid.GetLevelCount(); i++) |
| 261 | 69 { |
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70 if (pyramid.GetTileWidth(i) != pyramid.GetTileWidth(0) || |
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71 pyramid.GetTileHeight(i) != pyramid.GetTileHeight(0)) |
| 261 | 72 { |
| 73 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat, | |
| 74 "IIIF doesn't support levels with varying tile sizes"); | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 Json::Value sizes = Json::arrayValue; | |
| 79 Json::Value scaleFactors = Json::arrayValue; | |
| 80 | |
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81 for (unsigned int i = pyramid.GetLevelCount(); i > 0; i--) |
| 261 | 82 { |
| 83 /** | |
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84 * According to the IIIF Image API 3.0 specification, |
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85 * "scaleFactors" is: "The set of resolution scaling factors for |
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86 * the image's predefined tiles, expressed as POSITIVE INTEGERS by |
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87 * which to divide the full size of the image. For example, a |
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88 * scale factor of 4 indicates that the service can efficiently |
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89 * deliver images at 1/4 or 25% of the height and width of the |
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90 * full image." => We can only serve the levels for which the full |
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91 * width/height of the image is divisible by the width/height of |
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92 * the level. |
| 261 | 93 **/ |
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94 if (pyramid.GetLevelWidth(0) % pyramid.GetLevelWidth(i - 1) == 0 && |
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95 pyramid.GetLevelHeight(0) % pyramid.GetLevelHeight(i - 1) == 0) |
| 261 | 96 { |
| 97 Json::Value level; | |
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98 level["width"] = pyramid.GetLevelWidth(i - 1); |
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99 level["height"] = pyramid.GetLevelHeight(i - 1); |
| 261 | 100 sizes.append(level); |
| 101 | |
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102 scaleFactors.append(pyramid.GetLevelWidth(0) / |
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103 pyramid.GetLevelWidth(i - 1)); |
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104 } |
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105 else |
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106 { |
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107 LOG(WARNING) << "IIIF - Dropping level " << i << " of series " << seriesId |
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108 << ", as the full width/height (" |
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109 << pyramid.GetLevelWidth(0) << "x" << pyramid.GetLevelHeight(0) |
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110 << ") of the image is not an integer multiple of the level width/height (" |
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111 << pyramid.GetLevelWidth(i - 1) << "x" << pyramid.GetLevelHeight(i - 1) << ")"; |
| 261 | 112 } |
| 113 } | |
| 114 | |
| 115 Json::Value tiles; | |
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116 tiles["width"] = pyramid.GetTileWidth(0); |
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117 tiles["height"] = pyramid.GetTileHeight(0); |
| 261 | 118 tiles["scaleFactors"] = scaleFactors; |
| 119 | |
| 120 Json::Value result; | |
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121 result["@context"] = "http://iiif.io/api/image/3/context.json"; |
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122 result["profile"] = "level0"; |
| 261 | 123 result["protocol"] = "http://iiif.io/api/image"; |
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124 result["type"] = "ImageService3"; |
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125 |
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126 result["id"] = iiifPublicUrl_ + "tiles/" + seriesId; |
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127 result["width"] = pyramid.GetLevelWidth(0); |
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128 result["height"] = pyramid.GetLevelHeight(0); |
| 261 | 129 result["sizes"] = sizes; |
| 130 result["tiles"].append(tiles); | |
| 131 | |
| 132 std::string s = result.toStyledString(); | |
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133 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Json)); |
| 261 | 134 } |
| 135 | |
| 136 | |
| 137 static unsigned int GetPhysicalTileWidth(const OrthancWSI::ITiledPyramid& pyramid, | |
| 138 unsigned int level) | |
| 139 { | |
| 140 return static_cast<unsigned int>(boost::math::iround( | |
| 141 static_cast<float>(pyramid.GetTileWidth(level)) * | |
| 142 static_cast<float>(pyramid.GetLevelWidth(0)) / | |
| 143 static_cast<float>(pyramid.GetLevelWidth(level)))); | |
| 144 } | |
| 145 | |
| 146 | |
| 147 static unsigned int GetPhysicalTileHeight(const OrthancWSI::ITiledPyramid& pyramid, | |
| 148 unsigned int level) | |
| 149 { | |
| 150 return static_cast<unsigned int>(boost::math::iround( | |
| 151 static_cast<float>(pyramid.GetTileHeight(level)) * | |
| 152 static_cast<float>(pyramid.GetLevelHeight(0)) / | |
| 153 static_cast<float>(pyramid.GetLevelHeight(level)))); | |
| 154 } | |
| 155 | |
| 156 | |
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157 static void ServeIIIFTiledImageTile(OrthancPluginRestOutput* output, |
| 265 | 158 const char* url, |
| 159 const OrthancPluginHttpRequest* request) | |
| 261 | 160 { |
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161 const std::string seriesId(request->groups[0]); |
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162 const std::string region(request->groups[1]); |
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163 const std::string size(request->groups[2]); |
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164 const std::string rotation(request->groups[3]); |
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165 const std::string quality(request->groups[4]); |
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166 const std::string format(request->groups[5]); |
| 261 | 167 |
| 168 LOG(INFO) << "IIIF: Image API call to tile of series " << seriesId << ": " | |
| 169 << "region=" << region << "; size=" << size << "; rotation=" | |
| 170 << rotation << "; quality=" << quality << "; format=" << format; | |
| 171 | |
| 172 if (rotation != "0") | |
| 173 { | |
| 174 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported rotation: " + rotation); | |
| 175 } | |
| 176 | |
| 177 if (quality != "default") | |
| 178 { | |
| 179 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported quality: " + quality); | |
| 180 } | |
| 181 | |
| 182 if (format != "jpg") | |
| 183 { | |
| 184 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported format: " + format); | |
| 185 } | |
| 186 | |
| 187 if (region == "full") | |
| 188 { | |
| 189 OrthancWSI::DicomPyramidCache::Locker locker(seriesId); | |
| 190 | |
| 191 OrthancWSI::ITiledPyramid& pyramid = locker.GetPyramid(); | |
| 192 const unsigned int level = pyramid.GetLevelCount() - 1; | |
| 193 | |
| 194 Orthanc::Image full(Orthanc::PixelFormat_RGB24, pyramid.GetLevelWidth(level), pyramid.GetLevelHeight(level), false); | |
| 195 Orthanc::ImageProcessing::Set(full, 255, 255, 255, 0); | |
| 196 | |
| 197 const unsigned int nx = OrthancWSI::CeilingDivision(pyramid.GetLevelWidth(level), pyramid.GetTileWidth(level)); | |
| 198 const unsigned int ny = OrthancWSI::CeilingDivision(pyramid.GetLevelHeight(level), pyramid.GetTileHeight(level)); | |
| 199 for (unsigned int ty = 0; ty < ny; ty++) | |
| 200 { | |
| 201 const unsigned int y = ty * pyramid.GetTileHeight(level); | |
| 202 const unsigned int height = std::min(pyramid.GetTileHeight(level), full.GetHeight() - y); | |
| 203 | |
| 204 for (unsigned int tx = 0; tx < nx; tx++) | |
| 205 { | |
| 206 const unsigned int x = tx * pyramid.GetTileWidth(level); | |
| 207 std::unique_ptr<Orthanc::ImageAccessor> tile(pyramid.DecodeTile(level, tx, ty)); | |
| 208 | |
| 209 const unsigned int width = std::min(pyramid.GetTileWidth(level), full.GetWidth() - x); | |
| 210 | |
| 211 Orthanc::ImageAccessor source, target; | |
| 212 tile->GetRegion(source, 0, 0, width, height); | |
| 213 full.GetRegion(target, x, y, width, height); | |
| 214 | |
| 215 Orthanc::ImageProcessing::Copy(target, source); | |
| 216 } | |
| 217 } | |
| 218 | |
| 219 std::string encoded; | |
| 220 OrthancWSI::RawTile::Encode(encoded, full, Orthanc::MimeType_Jpeg); | |
| 221 | |
| 222 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, encoded.c_str(), | |
| 223 encoded.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); | |
| 224 } | |
| 225 else | |
| 226 { | |
| 227 int regionX, regionY, regionWidth, regionHeight; | |
| 228 | |
| 229 bool ok = false; | |
| 230 boost::regex regionPattern("([0-9]+),([0-9]+),([0-9]+),([0-9]+)"); | |
| 231 boost::cmatch regionWhat; | |
| 232 if (regex_match(region.c_str(), regionWhat, regionPattern)) | |
| 233 { | |
| 234 try | |
| 235 { | |
| 236 regionX = boost::lexical_cast<int>(regionWhat[1]); | |
| 237 regionY = boost::lexical_cast<int>(regionWhat[2]); | |
| 238 regionWidth = boost::lexical_cast<int>(regionWhat[3]); | |
| 239 regionHeight = boost::lexical_cast<int>(regionWhat[4]); | |
| 240 ok = (regionX >= 0 && | |
| 241 regionY >= 0 && | |
| 242 regionWidth > 0 && | |
| 243 regionHeight > 0); | |
| 244 } | |
| 245 catch (boost::bad_lexical_cast&) | |
| 246 { | |
| 247 } | |
| 248 } | |
| 249 | |
| 250 if (!ok) | |
| 251 { | |
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252 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Not a (x,y,width,height) region, found: " + region); |
| 261 | 253 } |
| 254 | |
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255 ok = false; |
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256 int cropWidth, cropHeight; |
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257 boost::regex sizePattern("([0-9]+),([0-9]+)"); |
| 261 | 258 boost::cmatch sizeWhat; |
| 259 if (regex_match(size.c_str(), sizeWhat, sizePattern)) | |
| 260 { | |
| 261 try | |
| 262 { | |
| 263 cropWidth = boost::lexical_cast<int>(sizeWhat[1]); | |
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264 cropHeight = boost::lexical_cast<int>(sizeWhat[2]); |
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265 ok = (cropWidth > 0 && cropHeight > 0); |
| 261 | 266 } |
| 267 catch (boost::bad_lexical_cast&) | |
| 268 { | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 if (!ok) | |
| 273 { | |
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274 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Not a (width,height) crop, found: " + size); |
| 261 | 275 } |
| 276 | |
| 277 std::unique_ptr<OrthancWSI::RawTile> rawTile; | |
| 278 std::unique_ptr<Orthanc::ImageAccessor> toCrop; | |
| 279 | |
| 280 { | |
| 281 OrthancWSI::DicomPyramidCache::Locker locker(seriesId); | |
| 282 | |
| 283 OrthancWSI::ITiledPyramid& pyramid = locker.GetPyramid(); | |
| 284 | |
| 285 unsigned int level; | |
| 286 for (level = 0; level < pyramid.GetLevelCount(); level++) | |
| 287 { | |
| 288 const unsigned int physicalTileWidth = GetPhysicalTileWidth(pyramid, level); | |
| 289 const unsigned int physicalTileHeight = GetPhysicalTileHeight(pyramid, level); | |
| 290 | |
| 291 if (regionX % physicalTileWidth == 0 && | |
| 292 regionY % physicalTileHeight == 0 && | |
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293 static_cast<unsigned int>(regionWidth) <= physicalTileWidth && |
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294 static_cast<unsigned int>(regionHeight) <= physicalTileHeight && |
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295 static_cast<unsigned int>(regionX + regionWidth) <= pyramid.GetLevelWidth(0) && |
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296 static_cast<unsigned int>(regionY + regionHeight) <= pyramid.GetLevelHeight(0)) |
| 261 | 297 { |
| 298 break; | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 if (level == pyramid.GetLevelCount()) | |
| 303 { | |
| 304 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Cannot locate the level of interest"); | |
| 305 } | |
|
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306 else if (static_cast<unsigned int>(cropWidth) > pyramid.GetTileWidth(level)) |
| 261 | 307 { |
| 308 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Request for a cropping that is too large for the tile size"); | |
| 309 } | |
| 310 else | |
| 311 { | |
| 312 rawTile.reset(new OrthancWSI::RawTile(locker.GetPyramid(), level, | |
| 313 regionX / GetPhysicalTileWidth(pyramid, level), | |
| 314 regionY / GetPhysicalTileHeight(pyramid, level))); | |
| 315 | |
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316 if (static_cast<unsigned int>(cropWidth) < pyramid.GetTileWidth(level) || |
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317 static_cast<unsigned int>(cropHeight) < pyramid.GetTileHeight(level)) |
| 261 | 318 { |
| 319 toCrop.reset(rawTile->Decode()); | |
| 320 rawTile.reset(NULL); | |
| 321 } | |
| 322 } | |
| 323 } | |
| 324 | |
| 325 if (rawTile.get() != NULL) | |
| 326 { | |
| 327 assert(toCrop.get() == NULL); | |
| 328 | |
| 329 // Level 0 Compliance of IIIF expects JPEG files | |
| 330 rawTile->Answer(output, Orthanc::MimeType_Jpeg); | |
| 331 } | |
| 332 else if (toCrop.get() != NULL) | |
| 333 { | |
| 334 assert(rawTile.get() == NULL); | |
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335 |
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336 if (static_cast<unsigned int>(cropWidth) > toCrop->GetWidth() || |
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337 static_cast<unsigned int>(cropHeight) > toCrop->GetHeight()) |
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338 { |
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339 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Asking to crop outside of the tile size"); |
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340 } |
| 261 | 341 |
| 342 Orthanc::ImageAccessor cropped; | |
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343 toCrop->GetRegion(cropped, 0, 0, cropWidth, cropHeight); |
| 261 | 344 |
| 345 std::string encoded; | |
| 346 OrthancWSI::RawTile::Encode(encoded, cropped, Orthanc::MimeType_Jpeg); | |
| 347 | |
| 348 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, encoded.c_str(), | |
| 349 encoded.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); | |
| 350 } | |
| 351 else | |
| 352 { | |
| 353 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 354 } | |
| 355 } | |
| 356 } | |
| 357 | |
| 358 | |
| 265 | 359 static void AddCanvas(Json::Value& manifest, |
| 360 const std::string& seriesId, | |
| 361 const std::string& imageService, | |
| 362 unsigned int page, | |
| 363 unsigned int width, | |
| 364 unsigned int height, | |
| 365 const std::string& description) | |
| 366 { | |
| 367 const std::string base = iiifPublicUrl_ + seriesId; | |
| 368 | |
| 369 Json::Value service; | |
| 370 service["id"] = iiifPublicUrl_ + imageService; | |
| 371 service["profile"] = "level0"; | |
| 372 service["type"] = "ImageService3"; | |
| 373 | |
| 374 Json::Value body; | |
| 375 body["id"] = iiifPublicUrl_ + imageService + "/full/max/0/default.jpg"; | |
| 376 body["type"] = "Image"; | |
| 377 body["format"] = Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg); | |
| 378 body["height"] = height; | |
| 379 body["width"] = width; | |
| 380 body["service"].append(service); | |
| 381 | |
| 382 Json::Value annotation; | |
| 383 annotation["id"] = base + "/annotation/p" + boost::lexical_cast<std::string>(page) + "-image"; | |
| 384 annotation["type"] = "Annotation"; | |
| 385 annotation["motivation"] = "painting"; | |
| 386 annotation["body"] = body; | |
| 387 annotation["target"] = base + "/canvas/p" + boost::lexical_cast<std::string>(page); | |
| 388 | |
| 389 Json::Value annotationPage; | |
| 390 annotationPage["id"] = base + "/page/p" + boost::lexical_cast<std::string>(page) + "/1"; | |
| 391 annotationPage["type"] = "AnnotationPage"; | |
| 392 annotationPage["items"].append(annotation); | |
| 393 | |
| 394 Json::Value canvas; | |
| 395 canvas["id"] = annotation["target"]; | |
| 396 canvas["type"] = "Canvas"; | |
| 397 canvas["width"] = width; | |
| 398 canvas["height"] = height; | |
| 399 canvas["label"]["en"].append(description); | |
| 400 canvas["items"].append(annotationPage); | |
| 401 | |
| 402 manifest["items"].append(canvas); | |
| 403 } | |
| 404 | |
| 405 | |
| 261 | 406 static void ServeIIIFManifest(OrthancPluginRestOutput* output, |
| 407 const char* url, | |
| 408 const OrthancPluginHttpRequest* request) | |
| 409 { | |
| 265 | 410 static const char* const KEY_INSTANCES = "Instances"; |
| 411 static const char* const SOP_CLASS_UID = "0008,0016"; | |
| 412 static const char* const SLICES_SHORT = "SlicesShort"; | |
| 261 | 413 |
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414 const std::string seriesId(request->groups[0]); |
| 261 | 415 |
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416 LOG(INFO) << "IIIF: Presentation API call to series " << seriesId; |
| 261 | 417 |
| 418 Json::Value study, series; | |
| 419 if (!OrthancPlugins::RestApiGet(series, "/series/" + seriesId, false) || | |
| 420 !OrthancPlugins::RestApiGet(study, "/series/" + seriesId + "/study", false)) | |
| 421 { | |
| 422 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 423 } | |
| 424 | |
| 265 | 425 if (study.type() != Json::objectValue || |
| 426 series.type() != Json::objectValue || | |
| 427 !series.isMember(KEY_INSTANCES) || | |
| 428 series[KEY_INSTANCES].type() != Json::arrayValue || | |
| 429 series[KEY_INSTANCES].size() == 0u || | |
| 430 series[KEY_INSTANCES][0].type() != Json::stringValue) | |
| 261 | 431 { |
| 265 | 432 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
| 261 | 433 } |
| 434 | |
| 265 | 435 Json::Value oneInstance; |
| 436 if (!OrthancPlugins::RestApiGet(oneInstance, "/instances/" + series[KEY_INSTANCES][0].asString() + "/tags?short", false) || | |
| 437 oneInstance.type() != Json::objectValue || | |
| 438 !oneInstance.isMember(SOP_CLASS_UID) || | |
| 439 oneInstance[SOP_CLASS_UID].type() != Json::stringValue) | |
| 440 { | |
| 441 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 442 } | |
| 443 | |
| 444 const std::string sopClassUid = Orthanc::Toolbox::StripSpaces(oneInstance[SOP_CLASS_UID].asString()); | |
| 445 | |
| 261 | 446 const std::string base = iiifPublicUrl_ + seriesId; |
| 447 | |
| 448 Json::Value manifest; | |
| 449 manifest["@context"] = "http://iiif.io/api/presentation/3/context.json"; | |
| 450 manifest["id"] = base + "/manifest.json"; | |
| 451 manifest["type"] = "Manifest"; | |
| 265 | 452 manifest["label"]["en"].append(study["MainDicomTags"]["StudyDate"].asString() + " - " + |
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453 series["MainDicomTags"]["Modality"].asString() + " - " + |
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454 study["MainDicomTags"]["StudyDescription"].asString() + " - " + |
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455 series["MainDicomTags"]["SeriesDescription"].asString()); |
| 261 | 456 |
| 265 | 457 if (sopClassUid == OrthancWSI::VL_WHOLE_SLIDE_MICROSCOPY_IMAGE_STORAGE_IOD) |
| 458 { | |
| 459 /** | |
| 460 * This is based on IIIF cookbook: "Support Deep Viewing with Basic | |
| 461 * Use of a IIIF Image Service." | |
| 462 * https://iiif.io/api/cookbook/recipe/0005-image-service/ | |
| 463 **/ | |
| 464 unsigned int width, height; | |
| 465 | |
| 466 { | |
| 467 OrthancWSI::DicomPyramidCache::Locker locker(seriesId); | |
| 468 width = locker.GetPyramid().GetLevelWidth(0); | |
| 469 height = locker.GetPyramid().GetLevelHeight(0); | |
| 470 } | |
| 471 | |
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472 AddCanvas(manifest, seriesId, "tiles/" + seriesId, 1, width, height, ""); |
| 265 | 473 } |
| 474 else | |
| 475 { | |
| 476 /** | |
| 477 * This is based on IIIF cookbook: "Simple Manifest - Book" | |
| 478 * https://iiif.io/api/cookbook/recipe/0009-book-1/ | |
| 479 **/ | |
| 480 | |
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481 manifest["behavior"].append("individuals"); |
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482 |
| 265 | 483 uint32_t width, height; |
| 484 if (!oneInstance.isMember(COLUMNS) || | |
| 485 !oneInstance.isMember(ROWS) || | |
| 486 oneInstance[COLUMNS].type() != Json::stringValue || | |
| 487 oneInstance[ROWS].type() != Json::stringValue || | |
| 488 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(width, oneInstance[COLUMNS].asString()) || | |
| 489 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(height, oneInstance[ROWS].asString())) | |
| 490 { | |
| 491 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 492 } | |
| 261 | 493 |
| 265 | 494 Json::Value orderedSlices; |
| 495 if (!OrthancPlugins::RestApiGet(orderedSlices, "/series/" + seriesId + "/ordered-slices", false)) | |
| 496 { | |
| 497 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 498 } | |
| 499 | |
| 500 if (orderedSlices.type() != Json::objectValue || | |
| 501 !orderedSlices.isMember(SLICES_SHORT) || | |
| 502 orderedSlices[SLICES_SHORT].type() != Json::arrayValue) | |
| 503 { | |
| 504 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 505 } | |
| 506 | |
| 507 const Json::Value& slicesShort = orderedSlices[SLICES_SHORT]; | |
| 508 | |
| 509 unsigned int page = 1; | |
| 510 for (Json::ArrayIndex instance = 0; instance < slicesShort.size(); instance++) | |
| 511 { | |
| 512 if (slicesShort[instance].type() != Json::arrayValue || | |
| 513 slicesShort[instance].size() != 3u || | |
| 514 slicesShort[instance][0].type() != Json::stringValue || | |
| 515 slicesShort[instance][1].type() != Json::intValue || | |
| 516 slicesShort[instance][2].type() != Json::intValue) | |
| 517 { | |
| 518 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 519 } | |
| 520 | |
| 521 const std::string instanceId = slicesShort[instance][0].asString(); | |
| 522 const unsigned int start = slicesShort[instance][1].asUInt(); | |
| 523 const unsigned int count = slicesShort[instance][2].asUInt(); | |
| 524 | |
| 525 for (unsigned int frame = start; frame < start + count; frame++, page++) | |
| 526 { | |
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527 AddCanvas(manifest, instanceId, "frames/" + instanceId + "/" + boost::lexical_cast<std::string>(frame), |
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528 page, width, height, ""); |
| 265 | 529 } |
| 530 } | |
| 531 } | |
| 261 | 532 |
| 533 std::string s = manifest.toStyledString(); | |
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534 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Json)); |
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535 } |
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536 |
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537 |
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538 static void ServeIIIFFrameInfo(OrthancPluginRestOutput* output, |
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539 const char* url, |
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540 const OrthancPluginHttpRequest* request) |
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541 { |
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542 const std::string instanceId(request->groups[0]); |
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543 const std::string frame(request->groups[1]); |
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544 |
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545 LOG(INFO) << "IIIF: Image API call to manifest of instance " << instanceId << " at frame " << frame; |
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546 |
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547 Json::Value instance; |
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548 if (!OrthancPlugins::RestApiGet(instance, "/instances/" + instanceId + "/tags?short", false)) |
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549 { |
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550 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
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551 } |
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552 |
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553 uint32_t width, height; |
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554 if (!instance.isMember(COLUMNS) || |
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555 !instance.isMember(ROWS) || |
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556 instance[COLUMNS].type() != Json::stringValue || |
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557 instance[ROWS].type() != Json::stringValue || |
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558 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(width, instance[COLUMNS].asString()) || |
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559 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(height, instance[ROWS].asString())) |
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560 { |
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561 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
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562 } |
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563 |
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564 Json::Value tile; |
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565 tile["height"] = height; |
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566 tile["width"] = width; |
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567 tile["scaleFactors"].append(1); |
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568 |
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569 Json::Value result; |
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570 result["@context"] = "http://iiif.io/api/image/3/context.json"; |
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571 result["profile"] = "http://iiif.io/api/image/3/level0.json"; |
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572 result["protocol"] = "http://iiif.io/api/image"; |
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573 result["type"] = "ImageService3"; |
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574 |
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575 result["id"] = iiifPublicUrl_ + "frames/" + instanceId + "/" + frame; |
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576 result["width"] = width; |
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577 result["height"] = height; |
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578 result["tiles"].append(tile); |
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579 |
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580 std::string s = result.toStyledString(); |
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581 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Json)); |
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582 } |
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583 |
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584 |
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585 static void ServeIIIFFrameImage(OrthancPluginRestOutput* output, |
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586 const char* url, |
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587 const OrthancPluginHttpRequest* request) |
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588 { |
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589 const std::string instanceId(request->groups[0]); |
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590 const std::string frame(request->groups[1]); |
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591 |
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592 LOG(INFO) << "IIIF: Image API call to JPEG of instance " << instanceId << " at frame " << frame; |
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593 |
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594 std::map<std::string, std::string> httpHeaders; |
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595 httpHeaders["Accept"] = Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg); |
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596 |
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597 std::string jpeg; |
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598 if (!OrthancPlugins::RestApiGetString(jpeg, "/instances/" + instanceId + "/frames/" + frame + "/preview", httpHeaders, false)) |
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599 { |
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600 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
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601 } |
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602 |
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603 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, jpeg.empty() ? NULL : jpeg.c_str(), |
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604 jpeg.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); |
| 261 | 605 } |
| 606 | |
| 607 | |
| 608 void InitializeIIIF(const std::string& iiifPublicUrl) | |
| 609 { | |
| 610 iiifPublicUrl_ = iiifPublicUrl; | |
| 611 | |
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612 OrthancPlugins::RegisterRestCallback<ServeIIIFTiledImageInfo>("/wsi/iiif/tiles/([0-9a-f-]+)/info.json", true); |
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613 OrthancPlugins::RegisterRestCallback<ServeIIIFTiledImageTile>("/wsi/iiif/tiles/([0-9a-f-]+)/([0-9a-z,:]+)/([0-9a-z,!:]+)/([0-9,!]+)/([a-z]+)\\.([a-z]+)", true); |
| 261 | 614 OrthancPlugins::RegisterRestCallback<ServeIIIFManifest>("/wsi/iiif/([0-9a-f-]+)/manifest.json", true); |
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615 OrthancPlugins::RegisterRestCallback<ServeIIIFFrameInfo>("/wsi/iiif/frames/([0-9a-f-]+)/([0-9]+)/info.json", true); |
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616 OrthancPlugins::RegisterRestCallback<ServeIIIFFrameImage>("/wsi/iiif/frames/([0-9a-f-]+)/([0-9]+)/full/max/0/default.jpg", true); |
| 261 | 617 } |