Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/IIIF.cpp @ 299:9cd5690e7684
contributing
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 14 Aug 2023 10:21:04 +0200 |
| parents | 995dbab2e3dd |
| children | 7020852a8fa9 |
| rev | line source |
|---|---|
| 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/math/special_functions/round.hpp> | |
| 36 | |
| 37 | |
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38 static const char* const ROWS = "0028,0010"; |
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39 static const char* const COLUMNS = "0028,0011"; |
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40 |
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41 |
| 261 | 42 static std::string iiifPublicUrl_; |
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43 static bool iiifForcePowersOfTwoScaleFactors_ = false; |
| 261 | 44 |
| 45 | |
| 288 | 46 void ServeIIIFTiledImageInfo(OrthancPluginRestOutput* output, |
| 47 const char* url, | |
| 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 unsigned int power = 1; |
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82 |
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83 for (unsigned int i = 0; i < pyramid.GetLevelCount(); i++) |
| 261 | 84 { |
| 85 /** | |
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86 * According to the IIIF Image API 3.0 specification, |
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87 * "scaleFactors" is: "The set of resolution scaling factors for |
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88 * the image's predefined tiles, expressed as POSITIVE INTEGERS by |
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89 * which to divide the full size of the image. For example, a |
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90 * scale factor of 4 indicates that the service can efficiently |
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91 * deliver images at 1/4 or 25% of the height and width of the |
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92 * full image." => We can only serve the levels for which the full |
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93 * width/height of the image is divisible by the width/height of |
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94 * the level. |
| 261 | 95 **/ |
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96 if (pyramid.GetLevelWidth(0) % pyramid.GetLevelWidth(i) == 0 && |
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97 pyramid.GetLevelHeight(0) % pyramid.GetLevelHeight(i) == 0) |
| 261 | 98 { |
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99 unsigned int scaleFactor = pyramid.GetLevelWidth(0) / pyramid.GetLevelWidth(i); |
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100 |
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101 if (!iiifForcePowersOfTwoScaleFactors_ || |
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102 scaleFactor == power) |
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103 { |
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104 Json::Value level; |
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105 level["width"] = pyramid.GetLevelWidth(i); |
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106 level["height"] = pyramid.GetLevelHeight(i); |
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107 sizes.append(level); |
| 261 | 108 |
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109 scaleFactors.append(scaleFactor); |
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110 |
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111 power *= 2; |
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112 } |
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113 else |
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114 { |
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115 LOG(WARNING) << "IIIF - Dropping level " << i << " of series " << seriesId |
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116 << ", as it doesn't follow the powers-of-two pattern"; |
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117 } |
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118 } |
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119 else |
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120 { |
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121 LOG(WARNING) << "IIIF - Dropping level " << i << " of series " << seriesId |
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122 << ", as the full width/height (" |
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123 << pyramid.GetLevelWidth(0) << "x" << pyramid.GetLevelHeight(0) |
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124 << ") of the image is not an integer multiple of the level width/height (" |
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125 << pyramid.GetLevelWidth(i) << "x" << pyramid.GetLevelHeight(i) << ")"; |
| 261 | 126 } |
| 127 } | |
| 128 | |
| 129 Json::Value tiles; | |
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130 tiles["width"] = pyramid.GetTileWidth(0); |
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131 tiles["height"] = pyramid.GetTileHeight(0); |
| 261 | 132 tiles["scaleFactors"] = scaleFactors; |
| 133 | |
| 134 Json::Value result; | |
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135 result["@context"] = "http://iiif.io/api/image/3/context.json"; |
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136 result["profile"] = "level0"; |
| 261 | 137 result["protocol"] = "http://iiif.io/api/image"; |
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138 result["type"] = "ImageService3"; |
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139 |
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140 result["id"] = iiifPublicUrl_ + "tiles/" + seriesId; |
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141 result["width"] = pyramid.GetLevelWidth(0); |
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142 result["height"] = pyramid.GetLevelHeight(0); |
| 261 | 143 result["sizes"] = sizes; |
| 144 result["tiles"].append(tiles); | |
| 145 | |
| 146 std::string s = result.toStyledString(); | |
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147 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Json)); |
| 261 | 148 } |
| 149 | |
| 150 | |
| 151 static unsigned int GetPhysicalTileWidth(const OrthancWSI::ITiledPyramid& pyramid, | |
| 152 unsigned int level) | |
| 153 { | |
| 154 return static_cast<unsigned int>(boost::math::iround( | |
| 155 static_cast<float>(pyramid.GetTileWidth(level)) * | |
| 156 static_cast<float>(pyramid.GetLevelWidth(0)) / | |
| 157 static_cast<float>(pyramid.GetLevelWidth(level)))); | |
| 158 } | |
| 159 | |
| 160 | |
| 161 static unsigned int GetPhysicalTileHeight(const OrthancWSI::ITiledPyramid& pyramid, | |
| 162 unsigned int level) | |
| 163 { | |
| 164 return static_cast<unsigned int>(boost::math::iround( | |
| 165 static_cast<float>(pyramid.GetTileHeight(level)) * | |
| 166 static_cast<float>(pyramid.GetLevelHeight(0)) / | |
| 167 static_cast<float>(pyramid.GetLevelHeight(level)))); | |
| 168 } | |
| 169 | |
| 170 | |
| 288 | 171 void ServeIIIFTiledImageTile(OrthancPluginRestOutput* output, |
| 172 const char* url, | |
| 173 const OrthancPluginHttpRequest* request) | |
| 261 | 174 { |
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175 const std::string seriesId(request->groups[0]); |
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176 const std::string region(request->groups[1]); |
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177 const std::string size(request->groups[2]); |
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178 const std::string rotation(request->groups[3]); |
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179 const std::string quality(request->groups[4]); |
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180 const std::string format(request->groups[5]); |
| 261 | 181 |
| 182 LOG(INFO) << "IIIF: Image API call to tile of series " << seriesId << ": " | |
| 183 << "region=" << region << "; size=" << size << "; rotation=" | |
| 184 << rotation << "; quality=" << quality << "; format=" << format; | |
| 185 | |
| 186 if (rotation != "0") | |
| 187 { | |
| 188 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported rotation: " + rotation); | |
| 189 } | |
| 190 | |
| 191 if (quality != "default") | |
| 192 { | |
| 193 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported quality: " + quality); | |
| 194 } | |
| 195 | |
| 196 if (format != "jpg") | |
| 197 { | |
| 198 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported format: " + format); | |
| 199 } | |
| 200 | |
| 201 if (region == "full") | |
| 202 { | |
| 203 OrthancWSI::DicomPyramidCache::Locker locker(seriesId); | |
| 204 | |
| 205 OrthancWSI::ITiledPyramid& pyramid = locker.GetPyramid(); | |
| 206 const unsigned int level = pyramid.GetLevelCount() - 1; | |
| 207 | |
| 208 Orthanc::Image full(Orthanc::PixelFormat_RGB24, pyramid.GetLevelWidth(level), pyramid.GetLevelHeight(level), false); | |
| 209 Orthanc::ImageProcessing::Set(full, 255, 255, 255, 0); | |
| 210 | |
| 211 const unsigned int nx = OrthancWSI::CeilingDivision(pyramid.GetLevelWidth(level), pyramid.GetTileWidth(level)); | |
| 212 const unsigned int ny = OrthancWSI::CeilingDivision(pyramid.GetLevelHeight(level), pyramid.GetTileHeight(level)); | |
| 213 for (unsigned int ty = 0; ty < ny; ty++) | |
| 214 { | |
| 215 const unsigned int y = ty * pyramid.GetTileHeight(level); | |
| 216 const unsigned int height = std::min(pyramid.GetTileHeight(level), full.GetHeight() - y); | |
| 217 | |
| 218 for (unsigned int tx = 0; tx < nx; tx++) | |
| 219 { | |
| 220 const unsigned int x = tx * pyramid.GetTileWidth(level); | |
| 221 std::unique_ptr<Orthanc::ImageAccessor> tile(pyramid.DecodeTile(level, tx, ty)); | |
| 222 | |
| 223 const unsigned int width = std::min(pyramid.GetTileWidth(level), full.GetWidth() - x); | |
| 224 | |
| 225 Orthanc::ImageAccessor source, target; | |
| 226 tile->GetRegion(source, 0, 0, width, height); | |
| 227 full.GetRegion(target, x, y, width, height); | |
| 228 | |
| 229 Orthanc::ImageProcessing::Copy(target, source); | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 std::string encoded; | |
| 234 OrthancWSI::RawTile::Encode(encoded, full, Orthanc::MimeType_Jpeg); | |
| 235 | |
| 236 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, encoded.c_str(), | |
| 237 encoded.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); | |
| 238 } | |
| 239 else | |
| 240 { | |
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241 std::vector<std::string> tokens; |
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242 Orthanc::Toolbox::TokenizeString(tokens, region, ','); |
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243 |
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244 uint32_t regionX, regionY, regionWidth, regionHeight; |
| 261 | 245 |
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246 if (tokens.size() != 4 || |
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247 !Orthanc::SerializationToolbox::ParseUnsignedInteger32(regionX, tokens[0]) || |
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248 !Orthanc::SerializationToolbox::ParseUnsignedInteger32(regionY, tokens[1]) || |
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249 !Orthanc::SerializationToolbox::ParseUnsignedInteger32(regionWidth, tokens[2]) || |
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250 !Orthanc::SerializationToolbox::ParseUnsignedInteger32(regionHeight, tokens[3])) |
| 261 | 251 { |
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252 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Invalid (x,y,width,height) region, found: " + region); |
| 261 | 253 } |
| 254 | |
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255 uint32_t cropWidth, cropHeight; |
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256 |
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257 Orthanc::Toolbox::TokenizeString(tokens, size, ','); |
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258 |
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259 bool ok = false; |
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260 if (tokens.size() == 2 && |
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261 Orthanc::SerializationToolbox::ParseUnsignedInteger32(cropWidth, tokens[0])) |
| 261 | 262 { |
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263 if (tokens[1].empty()) |
| 261 | 264 { |
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265 cropHeight = cropWidth; |
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266 ok = true; |
| 261 | 267 } |
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268 else if (Orthanc::SerializationToolbox::ParseUnsignedInteger32(cropHeight, tokens[1])) |
| 261 | 269 { |
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270 ok = true; |
| 261 | 271 } |
| 272 } | |
| 273 | |
| 274 if (!ok) | |
| 275 { | |
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276 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Invalid (width,height) crop, found: " + size); |
| 261 | 277 } |
| 278 | |
| 279 std::unique_ptr<OrthancWSI::RawTile> rawTile; | |
| 280 std::unique_ptr<Orthanc::ImageAccessor> toCrop; | |
| 281 | |
| 282 { | |
| 283 OrthancWSI::DicomPyramidCache::Locker locker(seriesId); | |
| 284 | |
| 285 OrthancWSI::ITiledPyramid& pyramid = locker.GetPyramid(); | |
| 286 | |
| 287 unsigned int level; | |
| 288 for (level = 0; level < pyramid.GetLevelCount(); level++) | |
| 289 { | |
| 290 const unsigned int physicalTileWidth = GetPhysicalTileWidth(pyramid, level); | |
| 291 const unsigned int physicalTileHeight = GetPhysicalTileHeight(pyramid, level); | |
| 292 | |
| 293 if (regionX % physicalTileWidth == 0 && | |
| 294 regionY % physicalTileHeight == 0 && | |
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295 static_cast<unsigned int>(regionWidth) <= physicalTileWidth && |
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296 static_cast<unsigned int>(regionHeight) <= physicalTileHeight && |
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297 static_cast<unsigned int>(regionX + regionWidth) <= pyramid.GetLevelWidth(0) && |
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298 static_cast<unsigned int>(regionY + regionHeight) <= pyramid.GetLevelHeight(0)) |
| 261 | 299 { |
| 300 break; | |
| 301 } | |
| 302 } | |
| 303 | |
| 304 if (level == pyramid.GetLevelCount()) | |
| 305 { | |
| 306 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Cannot locate the level of interest"); | |
| 307 } | |
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308 else if (static_cast<unsigned int>(cropWidth) > pyramid.GetTileWidth(level)) |
| 261 | 309 { |
| 310 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Request for a cropping that is too large for the tile size"); | |
| 311 } | |
| 312 else | |
| 313 { | |
| 314 rawTile.reset(new OrthancWSI::RawTile(locker.GetPyramid(), level, | |
| 315 regionX / GetPhysicalTileWidth(pyramid, level), | |
| 316 regionY / GetPhysicalTileHeight(pyramid, level))); | |
| 317 | |
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318 if (static_cast<unsigned int>(cropWidth) < pyramid.GetTileWidth(level) || |
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319 static_cast<unsigned int>(cropHeight) < pyramid.GetTileHeight(level)) |
| 261 | 320 { |
| 321 toCrop.reset(rawTile->Decode()); | |
| 322 rawTile.reset(NULL); | |
| 323 } | |
| 324 } | |
| 325 } | |
| 326 | |
| 327 if (rawTile.get() != NULL) | |
| 328 { | |
| 329 assert(toCrop.get() == NULL); | |
| 330 | |
| 331 // Level 0 Compliance of IIIF expects JPEG files | |
| 332 rawTile->Answer(output, Orthanc::MimeType_Jpeg); | |
| 333 } | |
| 334 else if (toCrop.get() != NULL) | |
| 335 { | |
| 336 assert(rawTile.get() == NULL); | |
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337 |
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338 if (static_cast<unsigned int>(cropWidth) > toCrop->GetWidth() || |
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339 static_cast<unsigned int>(cropHeight) > toCrop->GetHeight()) |
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340 { |
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341 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Asking to crop outside of the tile size"); |
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342 } |
| 261 | 343 |
| 344 Orthanc::ImageAccessor cropped; | |
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345 toCrop->GetRegion(cropped, 0, 0, cropWidth, cropHeight); |
| 261 | 346 |
| 347 std::string encoded; | |
| 348 OrthancWSI::RawTile::Encode(encoded, cropped, Orthanc::MimeType_Jpeg); | |
| 349 | |
| 350 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, encoded.c_str(), | |
| 351 encoded.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); | |
| 352 } | |
| 353 else | |
| 354 { | |
| 355 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 356 } | |
| 357 } | |
| 358 } | |
| 359 | |
| 360 | |
| 265 | 361 static void AddCanvas(Json::Value& manifest, |
| 362 const std::string& seriesId, | |
| 363 const std::string& imageService, | |
| 364 unsigned int page, | |
| 365 unsigned int width, | |
| 366 unsigned int height, | |
| 367 const std::string& description) | |
| 368 { | |
| 369 const std::string base = iiifPublicUrl_ + seriesId; | |
| 370 | |
| 371 Json::Value service; | |
| 372 service["id"] = iiifPublicUrl_ + imageService; | |
| 373 service["profile"] = "level0"; | |
| 374 service["type"] = "ImageService3"; | |
| 375 | |
| 376 Json::Value body; | |
| 377 body["id"] = iiifPublicUrl_ + imageService + "/full/max/0/default.jpg"; | |
| 378 body["type"] = "Image"; | |
| 379 body["format"] = Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg); | |
| 380 body["height"] = height; | |
| 381 body["width"] = width; | |
| 382 body["service"].append(service); | |
| 383 | |
| 384 Json::Value annotation; | |
| 385 annotation["id"] = base + "/annotation/p" + boost::lexical_cast<std::string>(page) + "-image"; | |
| 386 annotation["type"] = "Annotation"; | |
| 387 annotation["motivation"] = "painting"; | |
| 388 annotation["body"] = body; | |
| 389 annotation["target"] = base + "/canvas/p" + boost::lexical_cast<std::string>(page); | |
| 390 | |
| 391 Json::Value annotationPage; | |
| 392 annotationPage["id"] = base + "/page/p" + boost::lexical_cast<std::string>(page) + "/1"; | |
| 393 annotationPage["type"] = "AnnotationPage"; | |
| 394 annotationPage["items"].append(annotation); | |
| 395 | |
| 396 Json::Value canvas; | |
| 397 canvas["id"] = annotation["target"]; | |
| 398 canvas["type"] = "Canvas"; | |
| 399 canvas["width"] = width; | |
| 400 canvas["height"] = height; | |
| 401 canvas["label"]["en"].append(description); | |
| 402 canvas["items"].append(annotationPage); | |
| 403 | |
| 404 manifest["items"].append(canvas); | |
| 405 } | |
| 406 | |
| 407 | |
| 288 | 408 void ServeIIIFManifest(OrthancPluginRestOutput* output, |
| 409 const char* url, | |
| 410 const OrthancPluginHttpRequest* request) | |
| 261 | 411 { |
| 265 | 412 static const char* const KEY_INSTANCES = "Instances"; |
| 413 static const char* const SOP_CLASS_UID = "0008,0016"; | |
| 414 static const char* const SLICES_SHORT = "SlicesShort"; | |
| 261 | 415 |
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416 const std::string seriesId(request->groups[0]); |
| 261 | 417 |
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418 LOG(INFO) << "IIIF: Presentation API call to series " << seriesId; |
| 261 | 419 |
| 420 Json::Value study, series; | |
| 421 if (!OrthancPlugins::RestApiGet(series, "/series/" + seriesId, false) || | |
| 422 !OrthancPlugins::RestApiGet(study, "/series/" + seriesId + "/study", false)) | |
| 423 { | |
| 424 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 425 } | |
| 426 | |
| 265 | 427 if (study.type() != Json::objectValue || |
| 428 series.type() != Json::objectValue || | |
| 429 !series.isMember(KEY_INSTANCES) || | |
| 430 series[KEY_INSTANCES].type() != Json::arrayValue || | |
| 431 series[KEY_INSTANCES].size() == 0u || | |
| 432 series[KEY_INSTANCES][0].type() != Json::stringValue) | |
| 261 | 433 { |
| 265 | 434 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
| 261 | 435 } |
| 436 | |
| 265 | 437 Json::Value oneInstance; |
| 438 if (!OrthancPlugins::RestApiGet(oneInstance, "/instances/" + series[KEY_INSTANCES][0].asString() + "/tags?short", false) || | |
| 439 oneInstance.type() != Json::objectValue || | |
| 440 !oneInstance.isMember(SOP_CLASS_UID) || | |
| 441 oneInstance[SOP_CLASS_UID].type() != Json::stringValue) | |
| 442 { | |
| 443 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 444 } | |
| 445 | |
| 446 const std::string sopClassUid = Orthanc::Toolbox::StripSpaces(oneInstance[SOP_CLASS_UID].asString()); | |
| 447 | |
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448 const std::string base = iiifPublicUrl_ + "series/" + seriesId; |
| 261 | 449 |
| 450 Json::Value manifest; | |
| 451 manifest["@context"] = "http://iiif.io/api/presentation/3/context.json"; | |
| 452 manifest["id"] = base + "/manifest.json"; | |
| 453 manifest["type"] = "Manifest"; | |
| 265 | 454 manifest["label"]["en"].append(study["MainDicomTags"]["StudyDate"].asString() + " - " + |
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455 series["MainDicomTags"]["Modality"].asString() + " - " + |
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456 study["MainDicomTags"]["StudyDescription"].asString() + " - " + |
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457 series["MainDicomTags"]["SeriesDescription"].asString()); |
| 261 | 458 |
| 265 | 459 if (sopClassUid == OrthancWSI::VL_WHOLE_SLIDE_MICROSCOPY_IMAGE_STORAGE_IOD) |
| 460 { | |
| 461 /** | |
| 462 * This is based on IIIF cookbook: "Support Deep Viewing with Basic | |
| 463 * Use of a IIIF Image Service." | |
| 464 * https://iiif.io/api/cookbook/recipe/0005-image-service/ | |
| 465 **/ | |
| 466 unsigned int width, height; | |
| 467 | |
| 468 { | |
| 469 OrthancWSI::DicomPyramidCache::Locker locker(seriesId); | |
| 470 width = locker.GetPyramid().GetLevelWidth(0); | |
| 471 height = locker.GetPyramid().GetLevelHeight(0); | |
| 472 } | |
| 473 | |
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474 AddCanvas(manifest, seriesId, "tiles/" + seriesId, 1, width, height, ""); |
| 265 | 475 } |
| 476 else | |
| 477 { | |
| 478 /** | |
| 479 * This is based on IIIF cookbook: "Simple Manifest - Book" | |
| 480 * https://iiif.io/api/cookbook/recipe/0009-book-1/ | |
| 481 **/ | |
| 482 | |
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483 manifest["behavior"].append("individuals"); |
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484 |
| 265 | 485 uint32_t width, height; |
| 486 if (!oneInstance.isMember(COLUMNS) || | |
| 487 !oneInstance.isMember(ROWS) || | |
| 488 oneInstance[COLUMNS].type() != Json::stringValue || | |
| 489 oneInstance[ROWS].type() != Json::stringValue || | |
| 490 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(width, oneInstance[COLUMNS].asString()) || | |
| 491 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(height, oneInstance[ROWS].asString())) | |
| 492 { | |
| 493 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 494 } | |
| 261 | 495 |
| 265 | 496 Json::Value orderedSlices; |
| 497 if (!OrthancPlugins::RestApiGet(orderedSlices, "/series/" + seriesId + "/ordered-slices", false)) | |
| 498 { | |
| 499 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 500 } | |
| 501 | |
| 502 if (orderedSlices.type() != Json::objectValue || | |
| 503 !orderedSlices.isMember(SLICES_SHORT) || | |
| 504 orderedSlices[SLICES_SHORT].type() != Json::arrayValue) | |
| 505 { | |
| 506 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 507 } | |
| 508 | |
| 509 const Json::Value& slicesShort = orderedSlices[SLICES_SHORT]; | |
| 510 | |
| 511 unsigned int page = 1; | |
| 512 for (Json::ArrayIndex instance = 0; instance < slicesShort.size(); instance++) | |
| 513 { | |
| 514 if (slicesShort[instance].type() != Json::arrayValue || | |
| 515 slicesShort[instance].size() != 3u || | |
| 516 slicesShort[instance][0].type() != Json::stringValue || | |
| 517 slicesShort[instance][1].type() != Json::intValue || | |
| 518 slicesShort[instance][2].type() != Json::intValue) | |
| 519 { | |
| 520 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 521 } | |
| 522 | |
| 523 const std::string instanceId = slicesShort[instance][0].asString(); | |
| 524 const unsigned int start = slicesShort[instance][1].asUInt(); | |
| 525 const unsigned int count = slicesShort[instance][2].asUInt(); | |
| 526 | |
| 527 for (unsigned int frame = start; frame < start + count; frame++, page++) | |
| 528 { | |
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529 AddCanvas(manifest, instanceId, "frames/" + instanceId + "/" + boost::lexical_cast<std::string>(frame), |
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530 page, width, height, ""); |
| 265 | 531 } |
| 532 } | |
| 533 } | |
| 261 | 534 |
| 535 std::string s = manifest.toStyledString(); | |
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536 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Json)); |
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537 } |
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538 |
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539 |
| 288 | 540 void ServeIIIFFrameInfo(OrthancPluginRestOutput* output, |
| 541 const char* url, | |
| 542 const OrthancPluginHttpRequest* request) | |
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543 { |
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544 const std::string instanceId(request->groups[0]); |
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545 const std::string frame(request->groups[1]); |
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546 |
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547 LOG(INFO) << "IIIF: Image API call to manifest of instance " << instanceId << " at frame " << frame; |
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548 |
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549 Json::Value instance; |
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550 if (!OrthancPlugins::RestApiGet(instance, "/instances/" + instanceId + "/tags?short", false)) |
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551 { |
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552 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
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553 } |
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554 |
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555 uint32_t width, height; |
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556 if (!instance.isMember(COLUMNS) || |
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557 !instance.isMember(ROWS) || |
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558 instance[COLUMNS].type() != Json::stringValue || |
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559 instance[ROWS].type() != Json::stringValue || |
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560 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(width, instance[COLUMNS].asString()) || |
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561 !Orthanc::SerializationToolbox::ParseFirstUnsignedInteger32(height, instance[ROWS].asString())) |
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562 { |
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563 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
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564 } |
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565 |
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566 Json::Value tile; |
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567 tile["height"] = height; |
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568 tile["width"] = width; |
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569 tile["scaleFactors"].append(1); |
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570 |
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571 Json::Value result; |
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572 result["@context"] = "http://iiif.io/api/image/3/context.json"; |
| 290 | 573 result["profile"] = "level0"; |
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574 result["protocol"] = "http://iiif.io/api/image"; |
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575 result["type"] = "ImageService3"; |
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576 |
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577 result["id"] = iiifPublicUrl_ + "frames/" + instanceId + "/" + frame; |
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578 result["width"] = width; |
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579 result["height"] = height; |
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580 result["tiles"].append(tile); |
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581 |
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582 std::string s = result.toStyledString(); |
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583 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Json)); |
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584 } |
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585 |
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586 |
| 288 | 587 void ServeIIIFFrameImage(OrthancPluginRestOutput* output, |
| 588 const char* url, | |
| 589 const OrthancPluginHttpRequest* request) | |
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590 { |
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591 const std::string instanceId(request->groups[0]); |
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592 const std::string frame(request->groups[1]); |
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593 |
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594 LOG(INFO) << "IIIF: Image API call to JPEG of instance " << instanceId << " at frame " << frame; |
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595 |
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596 std::map<std::string, std::string> httpHeaders; |
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597 httpHeaders["Accept"] = Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg); |
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598 |
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599 std::string jpeg; |
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600 if (!OrthancPlugins::RestApiGetString(jpeg, "/instances/" + instanceId + "/frames/" + frame + "/preview", httpHeaders, false)) |
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601 { |
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602 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
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603 } |
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604 |
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605 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, jpeg.empty() ? NULL : jpeg.c_str(), |
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606 jpeg.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); |
| 261 | 607 } |
| 608 | |
| 609 | |
| 610 void InitializeIIIF(const std::string& iiifPublicUrl) | |
| 611 { | |
| 612 iiifPublicUrl_ = iiifPublicUrl; | |
| 613 | |
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614 OrthancPlugins::RegisterRestCallback<ServeIIIFTiledImageInfo>("/wsi/iiif/tiles/([0-9a-f-]+)/info.json", true); |
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615 OrthancPlugins::RegisterRestCallback<ServeIIIFTiledImageTile>("/wsi/iiif/tiles/([0-9a-f-]+)/([0-9a-z,:]+)/([0-9a-z,!:]+)/([0-9,!]+)/([a-z]+)\\.([a-z]+)", true); |
|
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616 OrthancPlugins::RegisterRestCallback<ServeIIIFManifest>("/wsi/iiif/series/([0-9a-f-]+)/manifest.json", true); |
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617 OrthancPlugins::RegisterRestCallback<ServeIIIFFrameInfo>("/wsi/iiif/frames/([0-9a-f-]+)/([0-9]+)/info.json", true); |
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618 OrthancPlugins::RegisterRestCallback<ServeIIIFFrameImage>("/wsi/iiif/frames/([0-9a-f-]+)/([0-9]+)/full/max/0/default.jpg", true); |
| 261 | 619 } |
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620 |
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621 void SetIIIFForcePowersOfTwoScaleFactors(bool force) |
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622 { |
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623 iiifForcePowersOfTwoScaleFactors_ = force; |
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624 } |