Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/PyramidReader.cpp @ 289:5f783bf882fe
add warning about anisotropic pixel spacing
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 13 Jul 2023 12:49:50 +0200 |
| parents | 20a730889ae2 |
| children | 7020852a8fa9 |
| 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 | |
| 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 | |
|
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23 #include "../PrecompiledHeadersWSI.h" |
| 0 | 24 #include "PyramidReader.h" |
| 25 | |
| 26 #include "../ImageToolbox.h" | |
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27 |
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28 #include <Compatibility.h> // For std::unique_ptr |
| 192 | 29 #include <Logging.h> |
| 30 #include <OrthancException.h> | |
| 0 | 31 |
| 32 #include <cassert> | |
| 33 | |
| 34 namespace OrthancWSI | |
| 35 { | |
| 36 class PyramidReader::SourceTile : public boost::noncopyable | |
| 37 { | |
| 38 private: | |
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39 PyramidReader& that_; |
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40 unsigned int tileX_; |
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41 unsigned int tileY_; |
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42 bool hasRawTile_; |
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43 std::string rawTile_; |
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44 ImageCompression rawTileCompression_; |
| 0 | 45 |
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46 std::unique_ptr<Orthanc::ImageAccessor> decoded_; |
| 0 | 47 |
| 48 bool IsRepaintNeeded() const | |
| 49 { | |
| 50 return (that_.parameters_.IsRepaintBackground() && | |
| 51 ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_ || | |
| 52 (tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_)); | |
| 53 } | |
| 54 | |
| 55 void RepaintBackground() | |
| 56 { | |
| 57 assert(decoded_.get() != NULL); | |
| 58 LOG(INFO) << "Repainting background of tile (" | |
| 59 << tileX_ << "," << tileY_ << ") at level " << that_.level_; | |
| 60 | |
| 61 if ((tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_) | |
| 62 { | |
| 63 // Bottom overflow | |
| 64 assert(tileY_ * that_.sourceTileHeight_ < that_.levelHeight_); | |
| 65 | |
| 66 unsigned int bottom = that_.levelHeight_ - tileY_ * that_.sourceTileHeight_; | |
| 154 | 67 Orthanc::ImageAccessor a; |
| 68 decoded_->GetRegion(a, 0, bottom, | |
| 69 that_.sourceTileWidth_, | |
| 70 that_.sourceTileHeight_ - bottom); | |
| 0 | 71 ImageToolbox::Set(a, |
| 72 that_.parameters_.GetBackgroundColorRed(), | |
| 73 that_.parameters_.GetBackgroundColorGreen(), | |
| 74 that_.parameters_.GetBackgroundColorBlue()); | |
| 75 | |
| 76 } | |
| 77 | |
| 78 if ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_) | |
| 79 { | |
| 80 // Right overflow | |
| 81 assert(tileX_ * that_.sourceTileWidth_ < that_.levelWidth_); | |
| 82 | |
| 83 unsigned int right = that_.levelWidth_ - tileX_ * that_.sourceTileWidth_; | |
| 154 | 84 Orthanc::ImageAccessor a; |
| 85 decoded_->GetRegion(a, right, 0, | |
| 86 that_.sourceTileWidth_ - right, | |
| 87 that_.sourceTileHeight_); | |
| 0 | 88 ImageToolbox::Set(a, |
| 89 that_.parameters_.GetBackgroundColorRed(), | |
| 90 that_.parameters_.GetBackgroundColorGreen(), | |
| 91 that_.parameters_.GetBackgroundColorBlue()); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 | |
| 96 public: | |
| 97 SourceTile(PyramidReader& that, | |
| 98 unsigned int tileX, | |
| 99 unsigned int tileY) : | |
| 100 that_(that), | |
| 101 tileX_(tileX), | |
| 102 tileY_(tileY) | |
| 103 { | |
| 104 if (!that_.parameters_.IsForceReencode() && | |
| 105 !IsRepaintNeeded() && | |
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106 that_.source_.ReadRawTile(rawTile_, rawTileCompression_, that_.level_, tileX, tileY)) |
| 0 | 107 { |
| 108 hasRawTile_ = true; | |
| 109 } | |
| 110 else | |
| 111 { | |
| 112 hasRawTile_ = false; | |
| 113 decoded_.reset(that_.source_.DecodeTile(that_.level_, tileX, tileY)); | |
| 114 if (decoded_.get() == NULL) | |
| 115 { | |
| 116 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 117 } | |
| 118 | |
| 119 RepaintBackground(); | |
| 120 } | |
| 121 } | |
| 122 | |
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123 bool HasRawTile(ImageCompression& compression) const |
| 0 | 124 { |
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125 if (hasRawTile_) |
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126 { |
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127 compression = rawTileCompression_; |
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128 return true; |
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129 } |
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130 else |
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131 { |
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132 return false; |
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133 } |
| 0 | 134 } |
| 135 | |
| 136 const std::string& GetRawTile() const | |
| 137 { | |
| 138 if (hasRawTile_) | |
| 139 { | |
| 140 return rawTile_; | |
| 141 } | |
| 142 else | |
| 143 { | |
| 144 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 const Orthanc::ImageAccessor& GetDecodedTile() | |
| 149 { | |
| 150 if (decoded_.get() == NULL) | |
| 151 { | |
| 152 if (!hasRawTile_) | |
| 153 { | |
| 154 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 155 } | |
| 156 | |
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157 decoded_.reset(ImageToolbox::DecodeTile(rawTile_, rawTileCompression_)); |
| 0 | 158 if (decoded_.get() == NULL) |
| 159 { | |
| 160 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 161 } | |
| 162 | |
| 163 RepaintBackground(); | |
| 164 } | |
| 165 | |
| 166 return *decoded_; | |
| 167 } | |
| 168 }; | |
| 169 | |
| 170 | |
| 171 Orthanc::ImageAccessor& PyramidReader::GetOutsideTile() | |
| 172 { | |
| 173 if (outside_.get() == NULL) | |
| 174 { | |
| 175 outside_.reset(ImageToolbox::Allocate(source_.GetPixelFormat(), targetTileWidth_, targetTileHeight_)); | |
| 176 ImageToolbox::Set(*outside_, | |
| 177 parameters_.GetBackgroundColorRed(), | |
| 178 parameters_.GetBackgroundColorGreen(), | |
| 179 parameters_.GetBackgroundColorBlue()); | |
| 180 } | |
| 181 | |
| 182 return *outside_; | |
| 183 } | |
| 184 | |
| 185 | |
| 186 void PyramidReader::CheckTileSize(const Orthanc::ImageAccessor& tile) const | |
| 187 { | |
| 188 if (tile.GetWidth() != sourceTileWidth_ || | |
| 189 tile.GetHeight() != sourceTileHeight_) | |
| 190 { | |
| 191 LOG(ERROR) << "One tile in the input image has size " << tile.GetWidth() << "x" << tile.GetHeight() | |
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192 << " instead of required " << sourceTileWidth_ << "x" << sourceTileHeight_; |
| 0 | 193 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
| 194 } | |
| 195 } | |
| 196 | |
| 197 | |
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198 void PyramidReader::CheckTileSize(const std::string& tile, |
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199 ImageCompression compression) const |
| 0 | 200 { |
| 201 if (parameters_.IsSafetyCheck()) | |
| 202 { | |
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203 std::unique_ptr<Orthanc::ImageAccessor> decoded(ImageToolbox::DecodeTile(tile, compression)); |
| 0 | 204 CheckTileSize(*decoded); |
| 205 } | |
| 206 } | |
| 207 | |
| 208 | |
| 209 PyramidReader::SourceTile& PyramidReader::AccessSourceTile(const Location& location) | |
| 210 { | |
| 211 Cache::iterator found = cache_.find(location); | |
| 212 if (found != cache_.end()) | |
| 213 { | |
| 214 return *found->second; | |
| 215 } | |
| 216 else | |
| 217 { | |
| 218 SourceTile *tile = new SourceTile(*this, location.first, location.second); | |
| 219 cache_[location] = tile; | |
| 220 return *tile; | |
| 221 } | |
| 222 } | |
| 223 | |
| 224 | |
| 225 PyramidReader::Location PyramidReader::MapTargetToSourceLocation(unsigned int tileX, | |
| 226 unsigned int tileY) | |
| 227 { | |
| 228 return std::make_pair(tileX / (sourceTileWidth_ / targetTileWidth_), | |
| 229 tileY / (sourceTileHeight_ / targetTileHeight_)); | |
| 230 } | |
| 231 | |
| 232 | |
| 233 PyramidReader::PyramidReader(ITiledPyramid& source, | |
| 234 unsigned int level, | |
| 235 unsigned int targetTileWidth, | |
| 236 unsigned int targetTileHeight, | |
| 237 const DicomizerParameters& parameters) : | |
| 238 source_(source), | |
| 239 level_(level), | |
| 240 levelWidth_(source.GetLevelWidth(level)), | |
| 241 levelHeight_(source.GetLevelHeight(level)), | |
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242 sourceTileWidth_(source.GetTileWidth(level)), |
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243 sourceTileHeight_(source.GetTileHeight(level)), |
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244 targetTileWidth_(targetTileWidth), |
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245 targetTileHeight_(targetTileHeight), |
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246 parameters_(parameters) |
| 0 | 247 { |
| 248 if (sourceTileWidth_ % targetTileWidth_ != 0 || | |
| 249 sourceTileHeight_ % targetTileHeight_ != 0) | |
| 250 { | |
| 251 LOG(ERROR) << "When resampling the tile size, it must be a integer divisor of the original tile size"; | |
| 252 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 | |
| 257 PyramidReader::~PyramidReader() | |
| 258 { | |
| 259 for (Cache::iterator it = cache_.begin(); it != cache_.end(); ++it) | |
| 260 { | |
| 261 assert(it->second != NULL); | |
| 262 delete it->second; | |
| 263 } | |
| 264 } | |
| 265 | |
| 266 | |
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267 const std::string* PyramidReader::GetRawTile(ImageCompression& compression, |
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268 unsigned int tileX, |
| 0 | 269 unsigned int tileY) |
| 270 { | |
| 271 if (sourceTileWidth_ != targetTileWidth_ || | |
| 272 sourceTileHeight_ != targetTileHeight_) | |
| 273 { | |
| 274 return NULL; | |
| 275 } | |
| 276 | |
| 277 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
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278 |
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279 if (source.HasRawTile(compression)) |
| 0 | 280 { |
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281 CheckTileSize(source.GetRawTile(), compression); |
| 0 | 282 return &source.GetRawTile(); |
| 283 } | |
| 284 else | |
| 285 { | |
| 286 return NULL; | |
| 287 } | |
| 288 } | |
| 289 | |
| 290 | |
| 154 | 291 void PyramidReader::GetDecodedTile(Orthanc::ImageAccessor& target, |
| 292 unsigned int tileX, | |
| 293 unsigned int tileY) | |
| 0 | 294 { |
| 295 if (tileX * targetTileWidth_ >= levelWidth_ || | |
| 296 tileY * targetTileHeight_ >= levelHeight_) | |
| 297 { | |
| 298 // Accessing a tile out of the source image | |
| 154 | 299 GetOutsideTile().GetReadOnlyAccessor(target); |
| 0 | 300 } |
| 154 | 301 else |
| 302 { | |
| 303 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
| 304 const Orthanc::ImageAccessor& tile = source.GetDecodedTile(); | |
| 0 | 305 |
| 154 | 306 CheckTileSize(tile); |
| 0 | 307 |
| 154 | 308 assert(sourceTileWidth_ % targetTileWidth_ == 0 && |
| 309 sourceTileHeight_ % targetTileHeight_ == 0); | |
| 0 | 310 |
| 154 | 311 unsigned int xx = tileX % (sourceTileWidth_ / targetTileWidth_); |
| 312 unsigned int yy = tileY % (sourceTileHeight_ / targetTileHeight_); | |
| 0 | 313 |
| 154 | 314 const uint8_t* bytes = |
| 315 reinterpret_cast<const uint8_t*>(tile.GetConstRow(yy * targetTileHeight_)) + | |
| 316 GetBytesPerPixel(tile.GetFormat()) * xx * targetTileWidth_; | |
| 0 | 317 |
| 154 | 318 target.AssignReadOnly(tile.GetFormat(), |
| 319 targetTileWidth_, | |
| 320 targetTileHeight_, | |
| 321 tile.GetPitch(), bytes); | |
| 322 } | |
| 0 | 323 } |
| 324 } |