Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/Plugin.cpp @ 256:7deea131c3c0 iiif
implementation of IIIF Image API
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 08 Jul 2023 18:44:54 +0200 |
parents | 20a730889ae2 |
children | 9af4ba0d92fe |
rev | line source |
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0 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
254 | 5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium | |
0 | 7 * |
8 * This program is free software: you can redistribute it and/or | |
9 * modify it under the terms of the GNU Affero General Public License | |
10 * as published by the Free Software Foundation, either version 3 of | |
11 * the License, or (at your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 * Affero General Public License for more details. | |
17 * | |
18 * You should have received a copy of the GNU Affero General Public License | |
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 **/ | |
21 | |
22 | |
16
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23 #include "../Framework/PrecompiledHeadersWSI.h" |
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24 |
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25 #include "../Framework/ImageToolbox.h" |
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26 #include "../Framework/Jpeg2000Reader.h" |
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27 #include "DicomPyramidCache.h" |
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28 #include "OrthancPluginConnection.h" |
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29 |
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30 #include <Compatibility.h> // For std::unique_ptr |
192 | 31 #include <Logging.h> |
32 #include <Images/ImageProcessing.h> | |
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33 #include <Images/JpegReader.h> |
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34 #include <Images/JpegWriter.h> |
192 | 35 #include <Images/PngWriter.h> |
36 #include <MultiThreading/Semaphore.h> | |
37 #include <OrthancException.h> | |
38 #include <SystemToolbox.h> | |
39 | |
194 | 40 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
0 | 41 |
42 #include <EmbeddedResources.h> | |
43 | |
44 #include <cassert> | |
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45 #include <boost/regex.hpp> |
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46 #include <boost/math/special_functions/round.hpp> |
0 | 47 |
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48 std::unique_ptr<OrthancWSI::OrthancPluginConnection> orthanc_; |
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49 std::unique_ptr<OrthancWSI::DicomPyramidCache> cache_; |
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50 std::unique_ptr<Orthanc::Semaphore> transcoderSemaphore_; |
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51 static std::string publicIIIFUrl_; |
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52 |
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53 static void AnswerSparseTile(OrthancPluginRestOutput* output, |
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54 unsigned int tileWidth, |
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55 unsigned int tileHeight) |
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56 { |
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57 Orthanc::Image tile(Orthanc::PixelFormat_RGB24, tileWidth, tileHeight, false); |
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58 |
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59 // Black (TODO parameter) |
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60 uint8_t red = 0; |
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61 uint8_t green = 0; |
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62 uint8_t blue = 0; |
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63 Orthanc::ImageProcessing::Set(tile, red, green, blue, 255); |
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64 |
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65 // TODO Cache the tile |
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66 OrthancPluginCompressAndAnswerPngImage(OrthancPlugins::GetGlobalContext(), |
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67 output, OrthancPluginPixelFormat_RGB24, |
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68 tile.GetWidth(), tile.GetHeight(), |
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69 tile.GetPitch(), tile.GetBuffer()); |
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70 } |
0 | 71 |
72 | |
73 static bool DisplayPerformanceWarning() | |
74 { | |
75 (void) DisplayPerformanceWarning; // Disable warning about unused function | |
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76 OrthancPluginLogWarning(OrthancPlugins::GetGlobalContext(), "Performance warning in whole-slide imaging: " |
0 | 77 "Non-release build, runtime debug assertions are turned on"); |
78 return true; | |
79 } | |
80 | |
81 | |
82 void ServePyramid(OrthancPluginRestOutput* output, | |
83 const char* url, | |
84 const OrthancPluginHttpRequest* request) | |
85 { | |
86 std::string seriesId(request->groups[0]); | |
87 | |
88 char tmp[1024]; | |
89 sprintf(tmp, "Accessing whole-slide pyramid of series %s", seriesId.c_str()); | |
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90 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 91 |
92 | |
93 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
94 | |
95 unsigned int totalWidth = locker.GetPyramid().GetLevelWidth(0); | |
96 unsigned int totalHeight = locker.GetPyramid().GetLevelHeight(0); | |
97 | |
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98 Json::Value sizes = Json::arrayValue; |
0 | 99 Json::Value resolutions = Json::arrayValue; |
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100 Json::Value tilesCount = Json::arrayValue; |
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101 Json::Value tilesSizes = Json::arrayValue; |
0 | 102 for (unsigned int i = 0; i < locker.GetPyramid().GetLevelCount(); i++) |
103 { | |
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104 const unsigned int levelWidth = locker.GetPyramid().GetLevelWidth(i); |
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105 const unsigned int levelHeight = locker.GetPyramid().GetLevelHeight(i); |
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106 const unsigned int tileWidth = locker.GetPyramid().GetTileWidth(i); |
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107 const unsigned int tileHeight = locker.GetPyramid().GetTileHeight(i); |
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108 |
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109 resolutions.append(static_cast<float>(totalWidth) / static_cast<float>(levelWidth)); |
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110 |
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111 Json::Value s = Json::arrayValue; |
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112 s.append(levelWidth); |
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113 s.append(levelHeight); |
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114 sizes.append(s); |
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115 |
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116 s = Json::arrayValue; |
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117 s.append(OrthancWSI::CeilingDivision(levelWidth, tileWidth)); |
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118 s.append(OrthancWSI::CeilingDivision(levelHeight, tileHeight)); |
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119 tilesCount.append(s); |
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120 |
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121 s = Json::arrayValue; |
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122 s.append(tileWidth); |
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123 s.append(tileHeight); |
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124 tilesSizes.append(s); |
0 | 125 } |
126 | |
127 Json::Value result; | |
128 result["ID"] = seriesId; | |
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129 result["Resolutions"] = resolutions; |
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130 result["Sizes"] = sizes; |
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131 result["TilesCount"] = tilesCount; |
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132 result["TilesSizes"] = tilesSizes; |
0 | 133 result["TotalHeight"] = totalHeight; |
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134 result["TotalWidth"] = totalWidth; |
0 | 135 |
136 std::string s = result.toStyledString(); | |
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137 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), "application/json"); |
0 | 138 } |
139 | |
140 | |
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141 class RawTile : public boost::noncopyable |
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142 { |
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143 private: |
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144 Orthanc::PixelFormat format_; |
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145 unsigned int tileWidth_; |
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146 unsigned int tileHeight_; |
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147 Orthanc::PhotometricInterpretation photometric_; |
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148 std::string tile_; |
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149 OrthancWSI::ImageCompression compression_; |
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150 |
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151 Orthanc::ImageAccessor* DecodeInternal() |
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152 { |
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153 switch (compression_) |
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154 { |
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155 case OrthancWSI::ImageCompression_Jpeg: |
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156 { |
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157 std::unique_ptr<Orthanc::JpegReader> decoded(new Orthanc::JpegReader); |
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158 decoded->ReadFromMemory(tile_); |
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159 return decoded.release(); |
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160 } |
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161 |
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162 case OrthancWSI::ImageCompression_Jpeg2000: |
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163 { |
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164 std::unique_ptr<OrthancWSI::Jpeg2000Reader> decoded(new OrthancWSI::Jpeg2000Reader); |
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165 decoded->ReadFromMemory(tile_); |
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166 |
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167 if (photometric_ == Orthanc::PhotometricInterpretation_YBR_ICT) |
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168 { |
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169 OrthancWSI::ImageToolbox::ConvertJpegYCbCrToRgb(*decoded); |
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170 } |
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171 |
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172 return decoded.release(); |
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173 } |
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174 |
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175 case OrthancWSI::ImageCompression_None: |
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176 { |
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177 unsigned int bpp = Orthanc::GetBytesPerPixel(format_); |
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178 if (bpp * tileWidth_ * tileHeight_ != tile_.size()) |
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179 { |
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180 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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181 } |
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182 |
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183 std::unique_ptr<Orthanc::ImageAccessor> decoded(new Orthanc::ImageAccessor); |
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184 decoded->AssignReadOnly(format_, tileWidth_, tileHeight_, bpp * tileWidth_, tile_.c_str()); |
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185 |
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186 return decoded.release(); |
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187 } |
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188 |
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189 default: |
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190 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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191 } |
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192 } |
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193 |
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194 static void EncodeInternal(std::string& encoded, |
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195 const Orthanc::ImageAccessor& decoded, |
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196 Orthanc::MimeType transcodingType) |
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197 { |
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198 switch (transcodingType) |
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199 { |
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200 case Orthanc::MimeType_Png: |
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201 { |
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202 Orthanc::PngWriter writer; |
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203 Orthanc::IImageWriter::WriteToMemory(writer, encoded, decoded); |
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204 break; |
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205 } |
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206 |
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207 case Orthanc::MimeType_Jpeg: |
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208 { |
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209 Orthanc::JpegWriter writer; |
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210 Orthanc::IImageWriter::WriteToMemory(writer, encoded, decoded); |
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211 break; |
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212 } |
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213 |
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214 default: |
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215 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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216 } |
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217 } |
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218 |
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219 |
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220 public: |
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221 RawTile(OrthancWSI::ITiledPyramid& pyramid, |
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222 unsigned int level, |
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223 unsigned int tileX, |
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224 unsigned int tileY) : |
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225 format_(pyramid.GetPixelFormat()), |
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226 tileWidth_(pyramid.GetTileWidth(level)), |
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227 tileHeight_(pyramid.GetTileHeight(level)), |
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228 photometric_(pyramid.GetPhotometricInterpretation()) |
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229 { |
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230 if (!pyramid.ReadRawTile(tile_, compression_, level, tileX, tileY)) |
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231 { |
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232 // Handling of missing tile (for sparse tiling): TODO parameter? |
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233 // AnswerSparseTile(output, tileWidth, tileHeight); return; |
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234 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); |
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235 } |
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236 } |
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237 |
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238 void Answer(OrthancPluginRestOutput* output, |
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239 Orthanc::MimeType transcodingType) |
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240 { |
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241 if (compression_ == OrthancWSI::ImageCompression_Jpeg) |
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242 { |
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243 // The tile is already a JPEG image. In such a case, we can |
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244 // serve it as such, because any Web browser can handle JPEG. |
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245 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, tile_.c_str(), |
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246 tile_.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); |
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247 } |
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248 else |
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249 { |
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250 // This is a lossless frame (coming from a JPEG2000 or an |
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251 // uncompressed DICOM instance), which is not a DICOM-JPEG |
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252 // instance. We need to decompress the raw tile, then transcode |
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253 // it to the PNG/JPEG, depending on the "transcodingType". |
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254 |
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255 std::string transcoded; |
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256 |
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257 { |
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258 // The semaphore is used to throttle the number of simultaneous computations |
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259 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); |
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260 |
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261 std::unique_ptr<Orthanc::ImageAccessor> decoded(DecodeInternal()); |
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262 EncodeInternal(transcoded, *decoded, transcodingType); |
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263 } |
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264 |
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265 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, transcoded.c_str(), |
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266 transcoded.size(), Orthanc::EnumerationToString(transcodingType)); |
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267 } |
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268 } |
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269 |
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270 Orthanc::ImageAccessor* Decode() |
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271 { |
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272 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); |
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273 return DecodeInternal(); |
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274 } |
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275 |
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276 static void Encode(std::string& encoded, |
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277 const Orthanc::ImageAccessor& decoded, |
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278 Orthanc::MimeType transcodingType) |
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279 { |
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280 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); |
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281 EncodeInternal(encoded, decoded, transcodingType); |
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282 } |
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283 }; |
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284 |
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285 |
0 | 286 void ServeTile(OrthancPluginRestOutput* output, |
287 const char* url, | |
288 const OrthancPluginHttpRequest* request) | |
289 { | |
290 std::string seriesId(request->groups[0]); | |
291 int level = boost::lexical_cast<int>(request->groups[1]); | |
292 int tileY = boost::lexical_cast<int>(request->groups[3]); | |
293 int tileX = boost::lexical_cast<int>(request->groups[2]); | |
294 | |
295 char tmp[1024]; | |
296 sprintf(tmp, "Accessing tile in series %s: (%d,%d) at level %d", seriesId.c_str(), tileX, tileY, level); | |
156
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297 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 298 |
299 if (level < 0 || | |
300 tileX < 0 || | |
301 tileY < 0) | |
302 { | |
303 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
304 } | |
305 | |
306 // Retrieve the raw tile from the WSI pyramid | |
256
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307 std::unique_ptr<RawTile> rawTile; |
0 | 308 |
309 { | |
310 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); | |
256
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311 rawTile.reset(new RawTile(locker.GetPyramid(), |
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312 static_cast<unsigned int>(level), |
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313 static_cast<unsigned int>(tileX), |
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314 static_cast<unsigned int>(tileY))); |
0 | 315 } |
316 | |
256
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317 /** |
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318 * In the case the DICOM file doesn't use the JPEG transfer syntax, |
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319 * transfer the tile (which is presumably lossless) as a PNG image |
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320 * so as to prevent lossy compression. Don't call "rawTile" while |
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321 * the Locker is around, as "Answer()" can be a costly operation. |
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322 **/ |
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323 rawTile->Answer(output, Orthanc::MimeType_Png); |
0 | 324 } |
325 | |
326 | |
327 OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, | |
328 OrthancPluginResourceType resourceType, | |
329 const char *resourceId) | |
330 { | |
331 if (resourceType == OrthancPluginResourceType_Series && | |
332 changeType == OrthancPluginChangeType_NewChildInstance) | |
333 { | |
334 char tmp[1024]; | |
335 sprintf(tmp, "New instance has been added to series %s, invalidating it", resourceId); | |
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336 OrthancPluginLogInfo(OrthancPlugins::GetGlobalContext(), tmp); |
0 | 337 |
338 cache_->Invalidate(resourceId); | |
339 } | |
340 | |
341 return OrthancPluginErrorCode_Success; | |
342 } | |
343 | |
344 | |
345 | |
346 void ServeFile(OrthancPluginRestOutput* output, | |
347 const char* url, | |
348 const OrthancPluginHttpRequest* request) | |
349 { | |
350 Orthanc::EmbeddedResources::FileResourceId resource; | |
351 | |
352 std::string f(request->groups[0]); | |
353 std::string mime; | |
354 | |
355 if (f == "viewer.html") | |
356 { | |
357 resource = Orthanc::EmbeddedResources::VIEWER_HTML; | |
358 mime = "text/html"; | |
359 } | |
360 else if (f == "viewer.js") | |
361 { | |
362 resource = Orthanc::EmbeddedResources::VIEWER_JS; | |
363 mime = "application/javascript"; | |
364 } | |
365 else if (f == "ol.js") | |
366 { | |
367 resource = Orthanc::EmbeddedResources::OPENLAYERS_JS; | |
368 mime = "application/javascript"; | |
369 } | |
370 else if (f == "ol.css") | |
371 { | |
372 resource = Orthanc::EmbeddedResources::OPENLAYERS_CSS; | |
373 mime = "text/css"; | |
374 } | |
375 else | |
376 { | |
377 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
378 } | |
379 | |
380 std::string content; | |
381 Orthanc::EmbeddedResources::GetFileResource(content, resource); | |
382 | |
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383 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, content.c_str(), content.size(), mime.c_str()); |
0 | 384 } |
385 | |
386 | |
387 | |
256
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388 void ServeIIIFImageInfo(OrthancPluginRestOutput* output, |
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389 const char* url, |
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390 const OrthancPluginHttpRequest* request) |
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391 { |
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392 std::string seriesId(request->groups[0]); |
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393 |
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394 LOG(INFO) << "IIIF: Accessing whole-slide pyramid of series " << seriesId; |
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395 |
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396 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); |
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397 |
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398 if (locker.GetPyramid().GetLevelCount() == 0) |
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399 { |
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400 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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401 } |
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402 |
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403 if (locker.GetPyramid().GetTileWidth(0) != locker.GetPyramid().GetTileHeight(0)) |
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404 { |
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405 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat, |
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406 "IIIF doesn't support non-isotropic tile sizes"); |
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407 } |
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408 |
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409 for (unsigned int i = 1; i < locker.GetPyramid().GetLevelCount(); i++) |
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410 { |
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411 if (locker.GetPyramid().GetTileWidth(i) != locker.GetPyramid().GetTileWidth(0) || |
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412 locker.GetPyramid().GetTileHeight(i) != locker.GetPyramid().GetTileHeight(0)) |
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413 { |
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414 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat, |
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415 "IIIF doesn't support levels with varying tile sizes"); |
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416 } |
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417 } |
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418 |
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419 Json::Value sizes = Json::arrayValue; |
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420 for (unsigned int i = locker.GetPyramid().GetLevelCount(); i > 0; i--) |
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421 { |
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422 Json::Value level; |
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423 level["width"] = locker.GetPyramid().GetLevelWidth(i - 1); |
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424 level["height"] = locker.GetPyramid().GetLevelHeight(i - 1); |
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425 sizes.append(level); |
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426 } |
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427 |
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428 Json::Value scaleFactors = Json::arrayValue; |
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429 for (unsigned int i = locker.GetPyramid().GetLevelCount(); i > 0; i--) |
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430 { |
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431 scaleFactors.append(static_cast<float>(locker.GetPyramid().GetLevelWidth(0)) / |
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432 static_cast<float>(locker.GetPyramid().GetLevelWidth(i - 1))); |
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433 } |
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434 |
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435 Json::Value tiles; |
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436 tiles["width"] = locker.GetPyramid().GetTileWidth(0); |
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437 tiles["height"] = locker.GetPyramid().GetTileHeight(0); |
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438 tiles["scaleFactors"] = scaleFactors; |
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439 |
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440 Json::Value result; |
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441 result["@context"] = "http://iiif.io/api/image/2/context.json"; |
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442 result["@id"] = publicIIIFUrl_ + seriesId; |
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443 result["profile"] = "http://iiif.io/api/image/2/level0.json"; |
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444 result["protocol"] = "http://iiif.io/api/image"; |
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445 result["width"] = locker.GetPyramid().GetLevelWidth(0); |
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446 result["height"] = locker.GetPyramid().GetLevelHeight(0); |
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447 result["sizes"] = sizes; |
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448 |
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449 result["tiles"] = Json::arrayValue; |
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450 result["tiles"].append(tiles); |
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451 |
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452 std::string s = result.toStyledString(); |
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453 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(), s.size(), "application/json"); |
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454 } |
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455 |
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456 |
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457 static unsigned int GetPhysicalTileWidth(const OrthancWSI::ITiledPyramid& pyramid, |
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458 unsigned int level) |
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459 { |
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460 return static_cast<unsigned int>(boost::math::iround( |
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461 static_cast<float>(pyramid.GetTileWidth(level)) * |
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462 static_cast<float>(pyramid.GetLevelWidth(0)) / |
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463 static_cast<float>(pyramid.GetLevelWidth(level)))); |
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464 } |
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465 |
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466 |
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467 static unsigned int GetPhysicalTileHeight(const OrthancWSI::ITiledPyramid& pyramid, |
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468 unsigned int level) |
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469 { |
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470 return static_cast<unsigned int>(boost::math::iround( |
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471 static_cast<float>(pyramid.GetTileHeight(level)) * |
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472 static_cast<float>(pyramid.GetLevelHeight(0)) / |
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473 static_cast<float>(pyramid.GetLevelHeight(level)))); |
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474 } |
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475 |
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476 |
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477 void ServeIIIFImageTile(OrthancPluginRestOutput* output, |
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478 const char* url, |
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479 const OrthancPluginHttpRequest* request) |
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480 { |
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481 std::string seriesId(request->groups[0]); |
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482 std::string region(request->groups[1]); |
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483 std::string size(request->groups[2]); |
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484 std::string rotation(request->groups[3]); |
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485 std::string quality(request->groups[4]); |
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486 std::string format(request->groups[5]); |
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487 |
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488 LOG(INFO) << "IIIF: Accessing tile of series " << seriesId << ": " |
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489 << "region=" << region << "; size=" << size << "; rotation=" |
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490 << rotation << "; quality=" << quality << "; format=" << format; |
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491 |
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492 if (region == "full") |
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493 { |
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494 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Full region is not supported for whole-slide images"); |
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495 } |
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496 |
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497 if (rotation != "0") |
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498 { |
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499 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported rotation: " + rotation); |
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500 } |
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501 |
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502 if (quality != "default") |
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503 { |
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504 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported quality: " + quality); |
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505 } |
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506 |
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507 if (format != "jpg") |
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508 { |
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509 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Unsupported format: " + format); |
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510 } |
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511 |
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512 int regionX, regionY, regionWidth, regionHeight; |
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513 |
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514 bool ok = false; |
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515 boost::regex regionPattern("([0-9]+),([0-9]+),([0-9]+),([0-9]+)"); |
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516 boost::cmatch regionWhat; |
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517 if (regex_match(region.c_str(), regionWhat, regionPattern)) |
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518 { |
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519 try |
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520 { |
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521 regionX = boost::lexical_cast<int>(regionWhat[1]); |
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522 regionY = boost::lexical_cast<int>(regionWhat[2]); |
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523 regionWidth = boost::lexical_cast<int>(regionWhat[3]); |
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524 regionHeight = boost::lexical_cast<int>(regionWhat[4]); |
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525 ok = (regionX >= 0 && |
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526 regionY >= 0 && |
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527 regionWidth > 0 && |
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528 regionHeight > 0); |
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529 } |
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530 catch (boost::bad_lexical_cast&) |
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531 { |
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532 } |
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533 } |
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534 |
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535 if (!ok) |
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536 { |
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537 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Not a (x,y,width,height) region: " + region); |
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538 } |
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539 |
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540 int cropWidth; |
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541 boost::regex sizePattern("([0-9]+),"); |
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542 boost::cmatch sizeWhat; |
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543 if (regex_match(size.c_str(), sizeWhat, sizePattern)) |
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544 { |
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545 try |
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546 { |
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547 cropWidth = boost::lexical_cast<int>(sizeWhat[1]); |
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548 ok = (cropWidth > 0); |
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549 } |
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550 catch (boost::bad_lexical_cast&) |
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551 { |
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552 } |
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553 } |
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554 |
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555 if (!ok) |
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556 { |
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557 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, "IIIF - Not a (width,) size: " + size); |
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558 } |
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559 |
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560 std::unique_ptr<RawTile> rawTile; |
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561 std::unique_ptr<Orthanc::ImageAccessor> toCrop; |
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562 |
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563 { |
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564 OrthancWSI::DicomPyramidCache::Locker locker(*cache_, seriesId); |
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565 |
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566 OrthancWSI::ITiledPyramid& pyramid = locker.GetPyramid(); |
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567 |
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568 unsigned int level; |
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569 for (level = 0; level < pyramid.GetLevelCount(); level++) |
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570 { |
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571 const unsigned int physicalTileWidth = GetPhysicalTileWidth(pyramid, level); |
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572 const unsigned int physicalTileHeight = GetPhysicalTileHeight(pyramid, level); |
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573 |
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574 if (regionX % physicalTileWidth == 0 && |
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575 regionY % physicalTileHeight == 0 && |
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576 regionWidth <= physicalTileWidth && |
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577 regionHeight <= physicalTileHeight) |
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578 { |
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579 break; |
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580 } |
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581 } |
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582 |
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583 if (cropWidth > pyramid.GetTileWidth(level)) |
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584 { |
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585 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Request for a cropping that is too large for the tile size"); |
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586 } |
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587 |
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588 if (level == pyramid.GetLevelCount()) |
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589 { |
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590 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadRequest, "IIIF - Cannot locate the level of interest"); |
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591 } |
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592 else |
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593 { |
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594 rawTile.reset(new RawTile(locker.GetPyramid(), level, |
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595 regionX / GetPhysicalTileWidth(pyramid, level), |
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596 regionY / GetPhysicalTileHeight(pyramid, level))); |
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597 |
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598 if (cropWidth < pyramid.GetTileWidth(level)) |
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599 { |
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600 toCrop.reset(rawTile->Decode()); |
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601 rawTile.reset(NULL); |
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602 } |
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603 } |
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604 } |
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605 |
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606 if (rawTile.get() != NULL) |
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607 { |
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608 assert(toCrop.get() == NULL); |
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609 |
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610 // Level 0 Compliance of IIIF expects JPEG files |
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611 rawTile->Answer(output, Orthanc::MimeType_Jpeg); |
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612 } |
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613 else if (toCrop.get() != NULL) |
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614 { |
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615 assert(rawTile.get() == NULL); |
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616 assert(cropWidth < toCrop->GetWidth()); |
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617 |
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618 Orthanc::ImageAccessor cropped; |
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619 toCrop->GetRegion(cropped, 0, 0, cropWidth, toCrop->GetHeight()); |
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620 |
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621 std::string encoded; |
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622 RawTile::Encode(encoded, cropped, Orthanc::MimeType_Jpeg); |
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623 |
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624 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, encoded.c_str(), |
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625 encoded.size(), Orthanc::EnumerationToString(Orthanc::MimeType_Jpeg)); |
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626 } |
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627 else |
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628 { |
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629 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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630 } |
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631 } |
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632 |
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633 |
0 | 634 extern "C" |
635 { | |
636 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
637 { | |
156
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638 OrthancPlugins::SetGlobalContext(context); |
0 | 639 assert(DisplayPerformanceWarning()); |
640 | |
641 /* Check the version of the Orthanc core */ | |
156
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642 if (OrthancPluginCheckVersion(OrthancPlugins::GetGlobalContext()) == 0) |
0 | 643 { |
644 char info[1024]; | |
645 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
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646 OrthancPlugins::GetGlobalContext()->orthancVersion, |
0 | 647 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, |
648 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
649 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
156
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650 OrthancPluginLogError(OrthancPlugins::GetGlobalContext(), info); |
0 | 651 return -1; |
652 } | |
653 | |
156
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654 if (!OrthancPlugins::CheckMinimalOrthancVersion(1, 1, 0)) |
5
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655 { |
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656 // We need the "/instances/.../frames/.../raw" URI that was introduced in Orthanc 1.1.0 |
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657 return -1; |
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658 } |
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659 |
206 | 660 #if ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 7, 2) |
191 | 661 Orthanc::Logging::InitializePluginContext(context); |
193 | 662 #else |
663 Orthanc::Logging::Initialize(context); | |
664 #endif | |
151 | 665 |
0 | 666 // Limit the number of PNG transcoders to the number of available |
667 // hardware threads (e.g. number of CPUs or cores or | |
668 // hyperthreading units) | |
153
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669 unsigned int threads = Orthanc::SystemToolbox::GetHardwareConcurrency(); |
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670 transcoderSemaphore_.reset(new Orthanc::Semaphore(threads)); |
0 | 671 |
672 char info[1024]; | |
145 | 673 sprintf(info, "The whole-slide imaging plugin will use at most %u threads to transcode the tiles", threads); |
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674 OrthancPluginLogWarning(OrthancPlugins::GetGlobalContext(), info); |
0 | 675 |
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676 OrthancPluginSetDescription(context, "Provides a Web viewer of whole-slide microscopic images within Orthanc."); |
0 | 677 |
196
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678 orthanc_.reset(new OrthancWSI::OrthancPluginConnection); |
73
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679 cache_.reset(new OrthancWSI::DicomPyramidCache(*orthanc_, 10 /* Number of pyramids to be cached - TODO parameter */)); |
0 | 680 |
256
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681 { |
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682 // TODO => CONFIG |
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683 publicIIIFUrl_ = "http://localhost:8042/wsi/iiif"; |
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684 |
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685 if (publicIIIFUrl_.empty() || |
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686 publicIIIFUrl_[publicIIIFUrl_.size() - 1] != '/') |
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687 { |
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688 publicIIIFUrl_ += "/"; |
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689 } |
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690 } |
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691 |
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692 OrthancPluginRegisterOnChangeCallback(OrthancPlugins::GetGlobalContext(), OnChangeCallback); |
0 | 693 |
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694 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(ol.css)", true); |
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695 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(ol.js)", true); |
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696 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(viewer.html)", true); |
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697 OrthancPlugins::RegisterRestCallback<ServeFile>("/wsi/app/(viewer.js)", true); |
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698 OrthancPlugins::RegisterRestCallback<ServePyramid>("/wsi/pyramids/([0-9a-f-]+)", true); |
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699 OrthancPlugins::RegisterRestCallback<ServeTile>("/wsi/tiles/([0-9a-f-]+)/([0-9-]+)/([0-9-]+)/([0-9-]+)", true); |
0 | 700 |
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701 OrthancPlugins::RegisterRestCallback<ServeIIIFImageInfo>("/wsi/iiif/([0-9a-f-]+)/info.json", true); |
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702 OrthancPlugins::RegisterRestCallback<ServeIIIFImageTile>("/wsi/iiif/([0-9a-f-]+)/([0-9a-z,:]+)/([0-9a-z,!:]+)/([0-9,!]+)/([a-z]+)\\.([a-z]+)", true); |
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703 |
0 | 704 // Extend the default Orthanc Explorer with custom JavaScript for WSI |
705 std::string explorer; | |
706 Orthanc::EmbeddedResources::GetFileResource(explorer, Orthanc::EmbeddedResources::ORTHANC_EXPLORER); | |
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707 OrthancPluginExtendOrthancExplorer(OrthancPlugins::GetGlobalContext(), explorer.c_str()); |
0 | 708 |
709 return 0; | |
710 } | |
711 | |
712 | |
713 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
714 { | |
715 cache_.reset(NULL); | |
716 orthanc_.reset(NULL); | |
717 transcoderSemaphore_.reset(NULL); | |
718 } | |
719 | |
720 | |
721 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
722 { | |
723 return "wsi"; | |
724 } | |
725 | |
726 | |
727 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
728 { | |
729 return ORTHANC_WSI_VERSION; | |
730 } | |
731 } |