Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/PyramidReader.cpp @ 233:c0a554576721 OrthancWSI-1.0
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 14 Jan 2021 08:49:23 +0100 |
| parents | 20bc074ec19a |
| children | 49f647ed1b4c |
| 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 | |
|
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
|
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22 #include "../PrecompiledHeadersWSI.h" |
| 0 | 23 #include "PyramidReader.h" |
| 24 | |
| 25 #include "../ImageToolbox.h" | |
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26 |
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27 #include <Compatibility.h> // For std::unique_ptr |
| 192 | 28 #include <Logging.h> |
| 29 #include <OrthancException.h> | |
| 0 | 30 |
| 31 #include <cassert> | |
| 32 | |
| 33 namespace OrthancWSI | |
| 34 { | |
| 35 class PyramidReader::SourceTile : public boost::noncopyable | |
| 36 { | |
| 37 private: | |
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38 PyramidReader& that_; |
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39 unsigned int tileX_; |
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40 unsigned int tileY_; |
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41 bool hasRawTile_; |
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42 std::string rawTile_; |
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43 ImageCompression rawTileCompression_; |
| 0 | 44 |
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45 std::unique_ptr<Orthanc::ImageAccessor> decoded_; |
| 0 | 46 |
| 47 bool IsRepaintNeeded() const | |
| 48 { | |
| 49 return (that_.parameters_.IsRepaintBackground() && | |
| 50 ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_ || | |
| 51 (tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_)); | |
| 52 } | |
| 53 | |
| 54 void RepaintBackground() | |
| 55 { | |
| 56 assert(decoded_.get() != NULL); | |
| 57 LOG(INFO) << "Repainting background of tile (" | |
| 58 << tileX_ << "," << tileY_ << ") at level " << that_.level_; | |
| 59 | |
| 60 if ((tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_) | |
| 61 { | |
| 62 // Bottom overflow | |
| 63 assert(tileY_ * that_.sourceTileHeight_ < that_.levelHeight_); | |
| 64 | |
| 65 unsigned int bottom = that_.levelHeight_ - tileY_ * that_.sourceTileHeight_; | |
| 154 | 66 Orthanc::ImageAccessor a; |
| 67 decoded_->GetRegion(a, 0, bottom, | |
| 68 that_.sourceTileWidth_, | |
| 69 that_.sourceTileHeight_ - bottom); | |
| 0 | 70 ImageToolbox::Set(a, |
| 71 that_.parameters_.GetBackgroundColorRed(), | |
| 72 that_.parameters_.GetBackgroundColorGreen(), | |
| 73 that_.parameters_.GetBackgroundColorBlue()); | |
| 74 | |
| 75 } | |
| 76 | |
| 77 if ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_) | |
| 78 { | |
| 79 // Right overflow | |
| 80 assert(tileX_ * that_.sourceTileWidth_ < that_.levelWidth_); | |
| 81 | |
| 82 unsigned int right = that_.levelWidth_ - tileX_ * that_.sourceTileWidth_; | |
| 154 | 83 Orthanc::ImageAccessor a; |
| 84 decoded_->GetRegion(a, right, 0, | |
| 85 that_.sourceTileWidth_ - right, | |
| 86 that_.sourceTileHeight_); | |
| 0 | 87 ImageToolbox::Set(a, |
| 88 that_.parameters_.GetBackgroundColorRed(), | |
| 89 that_.parameters_.GetBackgroundColorGreen(), | |
| 90 that_.parameters_.GetBackgroundColorBlue()); | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 | |
| 95 public: | |
| 96 SourceTile(PyramidReader& that, | |
| 97 unsigned int tileX, | |
| 98 unsigned int tileY) : | |
| 99 that_(that), | |
| 100 tileX_(tileX), | |
| 101 tileY_(tileY) | |
| 102 { | |
| 103 if (!that_.parameters_.IsForceReencode() && | |
| 104 !IsRepaintNeeded() && | |
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105 that_.source_.ReadRawTile(rawTile_, rawTileCompression_, that_.level_, tileX, tileY)) |
| 0 | 106 { |
| 107 hasRawTile_ = true; | |
| 108 } | |
| 109 else | |
| 110 { | |
| 111 hasRawTile_ = false; | |
| 112 decoded_.reset(that_.source_.DecodeTile(that_.level_, tileX, tileY)); | |
| 113 if (decoded_.get() == NULL) | |
| 114 { | |
| 115 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 116 } | |
| 117 | |
| 118 RepaintBackground(); | |
| 119 } | |
| 120 } | |
| 121 | |
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122 bool HasRawTile(ImageCompression& compression) const |
| 0 | 123 { |
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124 if (hasRawTile_) |
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125 { |
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126 compression = rawTileCompression_; |
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127 return true; |
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128 } |
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129 else |
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130 { |
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131 return false; |
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132 } |
| 0 | 133 } |
| 134 | |
| 135 const std::string& GetRawTile() const | |
| 136 { | |
| 137 if (hasRawTile_) | |
| 138 { | |
| 139 return rawTile_; | |
| 140 } | |
| 141 else | |
| 142 { | |
| 143 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 const Orthanc::ImageAccessor& GetDecodedTile() | |
| 148 { | |
| 149 if (decoded_.get() == NULL) | |
| 150 { | |
| 151 if (!hasRawTile_) | |
| 152 { | |
| 153 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 154 } | |
| 155 | |
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156 decoded_.reset(ImageToolbox::DecodeTile(rawTile_, rawTileCompression_)); |
| 0 | 157 if (decoded_.get() == NULL) |
| 158 { | |
| 159 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 160 } | |
| 161 | |
| 162 RepaintBackground(); | |
| 163 } | |
| 164 | |
| 165 return *decoded_; | |
| 166 } | |
| 167 }; | |
| 168 | |
| 169 | |
| 170 Orthanc::ImageAccessor& PyramidReader::GetOutsideTile() | |
| 171 { | |
| 172 if (outside_.get() == NULL) | |
| 173 { | |
| 174 outside_.reset(ImageToolbox::Allocate(source_.GetPixelFormat(), targetTileWidth_, targetTileHeight_)); | |
| 175 ImageToolbox::Set(*outside_, | |
| 176 parameters_.GetBackgroundColorRed(), | |
| 177 parameters_.GetBackgroundColorGreen(), | |
| 178 parameters_.GetBackgroundColorBlue()); | |
| 179 } | |
| 180 | |
| 181 return *outside_; | |
| 182 } | |
| 183 | |
| 184 | |
| 185 void PyramidReader::CheckTileSize(const Orthanc::ImageAccessor& tile) const | |
| 186 { | |
| 187 if (tile.GetWidth() != sourceTileWidth_ || | |
| 188 tile.GetHeight() != sourceTileHeight_) | |
| 189 { | |
| 190 LOG(ERROR) << "One tile in the input image has size " << tile.GetWidth() << "x" << tile.GetHeight() | |
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191 << " instead of required " << sourceTileWidth_ << "x" << sourceTileHeight_; |
| 0 | 192 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
| 193 } | |
| 194 } | |
| 195 | |
| 196 | |
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197 void PyramidReader::CheckTileSize(const std::string& tile, |
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198 ImageCompression compression) const |
| 0 | 199 { |
| 200 if (parameters_.IsSafetyCheck()) | |
| 201 { | |
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202 std::unique_ptr<Orthanc::ImageAccessor> decoded(ImageToolbox::DecodeTile(tile, compression)); |
| 0 | 203 CheckTileSize(*decoded); |
| 204 } | |
| 205 } | |
| 206 | |
| 207 | |
| 208 PyramidReader::SourceTile& PyramidReader::AccessSourceTile(const Location& location) | |
| 209 { | |
| 210 Cache::iterator found = cache_.find(location); | |
| 211 if (found != cache_.end()) | |
| 212 { | |
| 213 return *found->second; | |
| 214 } | |
| 215 else | |
| 216 { | |
| 217 SourceTile *tile = new SourceTile(*this, location.first, location.second); | |
| 218 cache_[location] = tile; | |
| 219 return *tile; | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 | |
| 224 PyramidReader::Location PyramidReader::MapTargetToSourceLocation(unsigned int tileX, | |
| 225 unsigned int tileY) | |
| 226 { | |
| 227 return std::make_pair(tileX / (sourceTileWidth_ / targetTileWidth_), | |
| 228 tileY / (sourceTileHeight_ / targetTileHeight_)); | |
| 229 } | |
| 230 | |
| 231 | |
| 232 PyramidReader::PyramidReader(ITiledPyramid& source, | |
| 233 unsigned int level, | |
| 234 unsigned int targetTileWidth, | |
| 235 unsigned int targetTileHeight, | |
| 236 const DicomizerParameters& parameters) : | |
| 237 source_(source), | |
| 238 level_(level), | |
| 239 levelWidth_(source.GetLevelWidth(level)), | |
| 240 levelHeight_(source.GetLevelHeight(level)), | |
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241 sourceTileWidth_(source.GetTileWidth(level)), |
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242 sourceTileHeight_(source.GetTileHeight(level)), |
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243 targetTileWidth_(targetTileWidth), |
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244 targetTileHeight_(targetTileHeight), |
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245 parameters_(parameters) |
| 0 | 246 { |
| 247 if (sourceTileWidth_ % targetTileWidth_ != 0 || | |
| 248 sourceTileHeight_ % targetTileHeight_ != 0) | |
| 249 { | |
| 250 LOG(ERROR) << "When resampling the tile size, it must be a integer divisor of the original tile size"; | |
| 251 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 | |
| 256 PyramidReader::~PyramidReader() | |
| 257 { | |
| 258 for (Cache::iterator it = cache_.begin(); it != cache_.end(); ++it) | |
| 259 { | |
| 260 assert(it->second != NULL); | |
| 261 delete it->second; | |
| 262 } | |
| 263 } | |
| 264 | |
| 265 | |
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266 const std::string* PyramidReader::GetRawTile(ImageCompression& compression, |
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267 unsigned int tileX, |
| 0 | 268 unsigned int tileY) |
| 269 { | |
| 270 if (sourceTileWidth_ != targetTileWidth_ || | |
| 271 sourceTileHeight_ != targetTileHeight_) | |
| 272 { | |
| 273 return NULL; | |
| 274 } | |
| 275 | |
| 276 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
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277 |
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278 if (source.HasRawTile(compression)) |
| 0 | 279 { |
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280 CheckTileSize(source.GetRawTile(), compression); |
| 0 | 281 return &source.GetRawTile(); |
| 282 } | |
| 283 else | |
| 284 { | |
| 285 return NULL; | |
| 286 } | |
| 287 } | |
| 288 | |
| 289 | |
| 154 | 290 void PyramidReader::GetDecodedTile(Orthanc::ImageAccessor& target, |
| 291 unsigned int tileX, | |
| 292 unsigned int tileY) | |
| 0 | 293 { |
| 294 if (tileX * targetTileWidth_ >= levelWidth_ || | |
| 295 tileY * targetTileHeight_ >= levelHeight_) | |
| 296 { | |
| 297 // Accessing a tile out of the source image | |
| 154 | 298 GetOutsideTile().GetReadOnlyAccessor(target); |
| 0 | 299 } |
| 154 | 300 else |
| 301 { | |
| 302 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
| 303 const Orthanc::ImageAccessor& tile = source.GetDecodedTile(); | |
| 0 | 304 |
| 154 | 305 CheckTileSize(tile); |
| 0 | 306 |
| 154 | 307 assert(sourceTileWidth_ % targetTileWidth_ == 0 && |
| 308 sourceTileHeight_ % targetTileHeight_ == 0); | |
| 0 | 309 |
| 154 | 310 unsigned int xx = tileX % (sourceTileWidth_ / targetTileWidth_); |
| 311 unsigned int yy = tileY % (sourceTileHeight_ / targetTileHeight_); | |
| 0 | 312 |
| 154 | 313 const uint8_t* bytes = |
| 314 reinterpret_cast<const uint8_t*>(tile.GetConstRow(yy * targetTileHeight_)) + | |
| 315 GetBytesPerPixel(tile.GetFormat()) * xx * targetTileWidth_; | |
| 0 | 316 |
| 154 | 317 target.AssignReadOnly(tile.GetFormat(), |
| 318 targetTileWidth_, | |
| 319 targetTileHeight_, | |
| 320 tile.GetPitch(), bytes); | |
| 321 } | |
| 0 | 322 } |
| 323 } |