Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DicomPyramid.cpp @ 62:f45cec2c32e2
Speed-up in the Web viewer plugin
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 25 Nov 2016 18:21:15 +0100 |
| parents | 147bd6dc28db |
| children | d529d9ce3c7e |
| rev | line source |
|---|---|
| 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 | |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU Affero General Public License | |
| 8 * as published by the Free Software Foundation, either version 3 of | |
| 9 * the License, or (at your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * Affero General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU Affero General Public License | |
| 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 **/ | |
| 19 | |
| 20 | |
|
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21 #include "../PrecompiledHeadersWSI.h" |
| 0 | 22 #include "DicomPyramid.h" |
| 23 | |
| 24 #include "../DicomToolbox.h" | |
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25 #include "../../Resources/Orthanc/Core/Logging.h" |
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26 #include "../../Resources/Orthanc/Core/OrthancException.h" |
| 0 | 27 |
| 28 #include <algorithm> | |
| 29 #include <cassert> | |
| 30 | |
| 31 namespace OrthancWSI | |
| 32 { | |
| 33 struct DicomPyramid::Comparator | |
| 34 { | |
| 35 bool operator() (DicomPyramidInstance* const& a, | |
| 36 DicomPyramidInstance* const& b) const | |
| 37 { | |
| 38 return a->GetTotalWidth() > b->GetTotalWidth(); | |
| 39 } | |
| 40 }; | |
| 41 | |
| 42 | |
| 43 void DicomPyramid::Clear() | |
| 44 { | |
| 45 for (size_t i = 0; i < levels_.size(); i++) | |
| 46 { | |
| 47 if (levels_[i] != NULL) | |
| 48 { | |
| 49 delete levels_[i]; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 for (size_t i = 0; i < instances_.size(); i++) | |
| 54 { | |
| 55 if (instances_[i] != NULL) | |
| 56 { | |
| 57 delete instances_[i]; | |
| 58 } | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 | |
| 63 void DicomPyramid::RegisterInstances(const std::string& seriesId) | |
| 64 { | |
| 65 Json::Value series; | |
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66 OrthancPlugins::IOrthancConnection::RestApiGet(series, orthanc_, "/series/" + seriesId); |
| 0 | 67 |
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68 if (series.type() != Json::objectValue || |
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69 !series.isMember("Instances") || |
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70 series["Instances"].type() != Json::arrayValue) |
| 0 | 71 { |
| 72 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 73 } | |
| 74 | |
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75 const Json::Value& instances = series["Instances"]; |
| 0 | 76 instances_.reserve(instances.size()); |
| 77 | |
| 78 for (Json::Value::ArrayIndex i = 0; i < instances.size(); i++) | |
| 79 { | |
| 80 if (instances[i].type() != Json::stringValue) | |
| 81 { | |
| 82 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
| 83 } | |
| 84 | |
| 85 std::string instance = instances[i].asString(); | |
| 86 | |
| 87 try | |
| 88 { | |
| 89 instances_.push_back(new DicomPyramidInstance(orthanc_, instance)); | |
| 90 } | |
| 91 catch (Orthanc::OrthancException&) | |
| 92 { | |
| 93 LOG(ERROR) << "Skipping a DICOM instance that is not part of a whole-slide image: " << instance; | |
| 94 } | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 | |
| 99 void DicomPyramid::Check(const std::string& seriesId) const | |
| 100 { | |
| 101 if (instances_.empty()) | |
| 102 { | |
| 103 LOG(ERROR) << "This series does not contain a whole-slide image: " << seriesId; | |
| 104 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 105 } | |
| 106 | |
| 107 const DicomPyramidInstance& a = *instances_[0]; | |
| 108 | |
| 109 for (size_t i = 1; i < instances_.size(); i++) | |
| 110 { | |
| 111 const DicomPyramidInstance& b = *instances_[i]; | |
| 112 | |
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113 if (a.GetPixelFormat() != b.GetPixelFormat() || |
| 0 | 114 a.GetTileWidth() != b.GetTileWidth() || |
| 115 a.GetTileHeight() != b.GetTileHeight() || | |
| 116 a.GetTotalWidth() < b.GetTotalWidth() || | |
| 117 a.GetTotalHeight() < b.GetTotalHeight()) | |
| 118 { | |
| 119 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 120 } | |
| 121 | |
| 122 if (a.GetTotalWidth() == b.GetTotalWidth() && | |
| 123 a.GetTotalHeight() != b.GetTotalHeight()) | |
| 124 { | |
| 125 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
| 126 } | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 | |
| 131 void DicomPyramid::CheckLevel(size_t level) const | |
| 132 { | |
| 133 if (level >= levels_.size()) | |
| 134 { | |
| 135 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 | |
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140 DicomPyramid::DicomPyramid(OrthancPlugins::IOrthancConnection& orthanc, |
| 0 | 141 const std::string& seriesId) : |
| 142 orthanc_(orthanc), | |
| 143 seriesId_(seriesId) | |
| 144 { | |
| 145 RegisterInstances(seriesId); | |
| 146 | |
| 147 // Sort the instances of the pyramid by decreasing total widths | |
| 148 std::sort(instances_.begin(), instances_.end(), Comparator()); | |
| 149 | |
| 150 try | |
| 151 { | |
| 152 Check(seriesId); | |
| 153 } | |
| 154 catch (Orthanc::OrthancException&) | |
| 155 { | |
| 156 Clear(); | |
| 157 throw; | |
| 158 } | |
| 159 | |
| 160 for (size_t i = 0; i < instances_.size(); i++) | |
| 161 { | |
| 162 if (i == 0 || | |
| 163 instances_[i - 1]->GetTotalWidth() != instances_[i]->GetTotalWidth()) | |
| 164 { | |
| 165 levels_.push_back(new DicomPyramidLevel(*instances_[i])); | |
| 166 } | |
| 167 else | |
| 168 { | |
| 169 assert(levels_.back() != NULL); | |
| 170 levels_.back()->AddInstance(*instances_[i]); | |
| 171 } | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 | |
| 176 unsigned int DicomPyramid::GetLevelWidth(unsigned int level) const | |
| 177 { | |
| 178 CheckLevel(level); | |
| 179 return levels_[level]->GetTotalWidth(); | |
| 180 } | |
| 181 | |
| 182 | |
| 183 unsigned int DicomPyramid::GetLevelHeight(unsigned int level) const | |
| 184 { | |
| 185 CheckLevel(level); | |
| 186 return levels_[level]->GetTotalHeight(); | |
| 187 } | |
| 188 | |
| 189 | |
| 190 unsigned int DicomPyramid::GetTileWidth() const | |
| 191 { | |
| 192 assert(!levels_.empty() && levels_[0] != NULL); | |
| 193 return levels_[0]->GetTileWidth(); | |
| 194 } | |
| 195 | |
| 196 | |
| 197 unsigned int DicomPyramid::GetTileHeight() const | |
| 198 { | |
| 199 assert(!levels_.empty() && levels_[0] != NULL); | |
| 200 return levels_[0]->GetTileHeight(); | |
| 201 } | |
| 202 | |
| 203 | |
| 204 bool DicomPyramid::ReadRawTile(std::string& tile, | |
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205 ImageCompression& compression, |
| 0 | 206 unsigned int level, |
| 207 unsigned int tileX, | |
| 208 unsigned int tileY) | |
| 209 { | |
| 210 CheckLevel(level); | |
| 211 | |
| 212 Orthanc::PixelFormat format; | |
| 213 | |
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214 if (levels_[level]->DownloadRawTile(tile, format, compression, orthanc_, tileX, tileY)) |
| 0 | 215 { |
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216 if (format != GetPixelFormat()) |
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217 { |
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218 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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219 } |
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220 |
| 0 | 221 return true; |
| 222 } | |
| 223 else | |
| 224 { | |
| 225 return false; | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 | |
| 230 Orthanc::PixelFormat DicomPyramid::GetPixelFormat() const | |
| 231 { | |
| 232 assert(!instances_.empty() && instances_[0] != NULL); | |
| 233 return instances_[0]->GetPixelFormat(); | |
| 234 } | |
| 235 } |