Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/PyramidReader.cpp @ 312:0683312e21ba
updated copyright, as Orthanc Team now replaces Osimis
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 30 May 2024 22:11:10 +0200 |
| parents | 7020852a8fa9 |
| children | 8ad12abde290 |
| 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) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 8 * |
| 9 * This program is free software: you can redistribute it and/or | |
| 10 * modify it under the terms of the GNU Affero General Public License | |
| 11 * as published by the Free Software Foundation, either version 3 of | |
| 12 * the License, or (at your option) any later version. | |
| 13 * | |
| 14 * This program is distributed in the hope that it will be useful, but | |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 * Affero General Public License for more details. | |
| 18 * | |
| 19 * You should have received a copy of the GNU Affero General Public License | |
| 20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 **/ | |
| 22 | |
| 23 | |
|
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24 #include "../PrecompiledHeadersWSI.h" |
| 0 | 25 #include "PyramidReader.h" |
| 26 | |
| 27 #include "../ImageToolbox.h" | |
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28 |
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29 #include <Compatibility.h> // For std::unique_ptr |
| 192 | 30 #include <Logging.h> |
| 31 #include <OrthancException.h> | |
| 0 | 32 |
| 33 #include <cassert> | |
| 34 | |
| 35 namespace OrthancWSI | |
| 36 { | |
| 37 class PyramidReader::SourceTile : public boost::noncopyable | |
| 38 { | |
| 39 private: | |
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40 PyramidReader& that_; |
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41 unsigned int tileX_; |
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42 unsigned int tileY_; |
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43 bool hasRawTile_; |
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44 std::string rawTile_; |
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45 ImageCompression rawTileCompression_; |
| 0 | 46 |
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47 std::unique_ptr<Orthanc::ImageAccessor> decoded_; |
| 0 | 48 |
| 49 bool IsRepaintNeeded() const | |
| 50 { | |
| 51 return (that_.parameters_.IsRepaintBackground() && | |
| 52 ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_ || | |
| 53 (tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_)); | |
| 54 } | |
| 55 | |
| 56 void RepaintBackground() | |
| 57 { | |
| 58 assert(decoded_.get() != NULL); | |
| 59 LOG(INFO) << "Repainting background of tile (" | |
| 60 << tileX_ << "," << tileY_ << ") at level " << that_.level_; | |
| 61 | |
| 62 if ((tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_) | |
| 63 { | |
| 64 // Bottom overflow | |
| 65 assert(tileY_ * that_.sourceTileHeight_ < that_.levelHeight_); | |
| 66 | |
| 67 unsigned int bottom = that_.levelHeight_ - tileY_ * that_.sourceTileHeight_; | |
| 154 | 68 Orthanc::ImageAccessor a; |
| 69 decoded_->GetRegion(a, 0, bottom, | |
| 70 that_.sourceTileWidth_, | |
| 71 that_.sourceTileHeight_ - bottom); | |
| 0 | 72 ImageToolbox::Set(a, |
| 73 that_.parameters_.GetBackgroundColorRed(), | |
| 74 that_.parameters_.GetBackgroundColorGreen(), | |
| 75 that_.parameters_.GetBackgroundColorBlue()); | |
| 76 | |
| 77 } | |
| 78 | |
| 79 if ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_) | |
| 80 { | |
| 81 // Right overflow | |
| 82 assert(tileX_ * that_.sourceTileWidth_ < that_.levelWidth_); | |
| 83 | |
| 84 unsigned int right = that_.levelWidth_ - tileX_ * that_.sourceTileWidth_; | |
| 154 | 85 Orthanc::ImageAccessor a; |
| 86 decoded_->GetRegion(a, right, 0, | |
| 87 that_.sourceTileWidth_ - right, | |
| 88 that_.sourceTileHeight_); | |
| 0 | 89 ImageToolbox::Set(a, |
| 90 that_.parameters_.GetBackgroundColorRed(), | |
| 91 that_.parameters_.GetBackgroundColorGreen(), | |
| 92 that_.parameters_.GetBackgroundColorBlue()); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 | |
| 97 public: | |
| 98 SourceTile(PyramidReader& that, | |
| 99 unsigned int tileX, | |
| 100 unsigned int tileY) : | |
| 101 that_(that), | |
| 102 tileX_(tileX), | |
| 103 tileY_(tileY) | |
| 104 { | |
| 105 if (!that_.parameters_.IsForceReencode() && | |
| 106 !IsRepaintNeeded() && | |
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107 that_.source_.ReadRawTile(rawTile_, rawTileCompression_, that_.level_, tileX, tileY)) |
| 0 | 108 { |
| 109 hasRawTile_ = true; | |
| 110 } | |
| 111 else | |
| 112 { | |
| 113 hasRawTile_ = false; | |
| 114 decoded_.reset(that_.source_.DecodeTile(that_.level_, tileX, tileY)); | |
| 115 if (decoded_.get() == NULL) | |
| 116 { | |
| 117 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 118 } | |
| 119 | |
| 120 RepaintBackground(); | |
| 121 } | |
| 122 } | |
| 123 | |
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124 bool HasRawTile(ImageCompression& compression) const |
| 0 | 125 { |
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126 if (hasRawTile_) |
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127 { |
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128 compression = rawTileCompression_; |
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129 return true; |
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130 } |
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131 else |
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132 { |
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133 return false; |
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134 } |
| 0 | 135 } |
| 136 | |
| 137 const std::string& GetRawTile() const | |
| 138 { | |
| 139 if (hasRawTile_) | |
| 140 { | |
| 141 return rawTile_; | |
| 142 } | |
| 143 else | |
| 144 { | |
| 145 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 const Orthanc::ImageAccessor& GetDecodedTile() | |
| 150 { | |
| 151 if (decoded_.get() == NULL) | |
| 152 { | |
| 153 if (!hasRawTile_) | |
| 154 { | |
| 155 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 156 } | |
| 157 | |
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158 decoded_.reset(ImageToolbox::DecodeTile(rawTile_, rawTileCompression_)); |
| 0 | 159 if (decoded_.get() == NULL) |
| 160 { | |
| 161 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 162 } | |
| 163 | |
| 164 RepaintBackground(); | |
| 165 } | |
| 166 | |
| 167 return *decoded_; | |
| 168 } | |
| 169 }; | |
| 170 | |
| 171 | |
| 172 Orthanc::ImageAccessor& PyramidReader::GetOutsideTile() | |
| 173 { | |
| 174 if (outside_.get() == NULL) | |
| 175 { | |
| 176 outside_.reset(ImageToolbox::Allocate(source_.GetPixelFormat(), targetTileWidth_, targetTileHeight_)); | |
| 177 ImageToolbox::Set(*outside_, | |
| 178 parameters_.GetBackgroundColorRed(), | |
| 179 parameters_.GetBackgroundColorGreen(), | |
| 180 parameters_.GetBackgroundColorBlue()); | |
| 181 } | |
| 182 | |
| 183 return *outside_; | |
| 184 } | |
| 185 | |
| 186 | |
| 187 void PyramidReader::CheckTileSize(const Orthanc::ImageAccessor& tile) const | |
| 188 { | |
| 189 if (tile.GetWidth() != sourceTileWidth_ || | |
| 190 tile.GetHeight() != sourceTileHeight_) | |
| 191 { | |
| 192 LOG(ERROR) << "One tile in the input image has size " << tile.GetWidth() << "x" << tile.GetHeight() | |
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193 << " instead of required " << sourceTileWidth_ << "x" << sourceTileHeight_; |
| 0 | 194 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); |
| 195 } | |
| 196 } | |
| 197 | |
| 198 | |
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199 void PyramidReader::CheckTileSize(const std::string& tile, |
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200 ImageCompression compression) const |
| 0 | 201 { |
| 202 if (parameters_.IsSafetyCheck()) | |
| 203 { | |
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204 std::unique_ptr<Orthanc::ImageAccessor> decoded(ImageToolbox::DecodeTile(tile, compression)); |
| 0 | 205 CheckTileSize(*decoded); |
| 206 } | |
| 207 } | |
| 208 | |
| 209 | |
| 210 PyramidReader::SourceTile& PyramidReader::AccessSourceTile(const Location& location) | |
| 211 { | |
| 212 Cache::iterator found = cache_.find(location); | |
| 213 if (found != cache_.end()) | |
| 214 { | |
| 215 return *found->second; | |
| 216 } | |
| 217 else | |
| 218 { | |
| 219 SourceTile *tile = new SourceTile(*this, location.first, location.second); | |
| 220 cache_[location] = tile; | |
| 221 return *tile; | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 | |
| 226 PyramidReader::Location PyramidReader::MapTargetToSourceLocation(unsigned int tileX, | |
| 227 unsigned int tileY) | |
| 228 { | |
| 229 return std::make_pair(tileX / (sourceTileWidth_ / targetTileWidth_), | |
| 230 tileY / (sourceTileHeight_ / targetTileHeight_)); | |
| 231 } | |
| 232 | |
| 233 | |
| 234 PyramidReader::PyramidReader(ITiledPyramid& source, | |
| 235 unsigned int level, | |
| 236 unsigned int targetTileWidth, | |
| 237 unsigned int targetTileHeight, | |
| 238 const DicomizerParameters& parameters) : | |
| 239 source_(source), | |
| 240 level_(level), | |
| 241 levelWidth_(source.GetLevelWidth(level)), | |
| 242 levelHeight_(source.GetLevelHeight(level)), | |
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243 sourceTileWidth_(source.GetTileWidth(level)), |
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244 sourceTileHeight_(source.GetTileHeight(level)), |
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245 targetTileWidth_(targetTileWidth), |
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246 targetTileHeight_(targetTileHeight), |
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247 parameters_(parameters) |
| 0 | 248 { |
| 249 if (sourceTileWidth_ % targetTileWidth_ != 0 || | |
| 250 sourceTileHeight_ % targetTileHeight_ != 0) | |
| 251 { | |
| 252 LOG(ERROR) << "When resampling the tile size, it must be a integer divisor of the original tile size"; | |
| 253 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
| 254 } | |
| 255 } | |
| 256 | |
| 257 | |
| 258 PyramidReader::~PyramidReader() | |
| 259 { | |
| 260 for (Cache::iterator it = cache_.begin(); it != cache_.end(); ++it) | |
| 261 { | |
| 262 assert(it->second != NULL); | |
| 263 delete it->second; | |
| 264 } | |
| 265 } | |
| 266 | |
| 267 | |
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268 const std::string* PyramidReader::GetRawTile(ImageCompression& compression, |
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269 unsigned int tileX, |
| 0 | 270 unsigned int tileY) |
| 271 { | |
| 272 if (sourceTileWidth_ != targetTileWidth_ || | |
| 273 sourceTileHeight_ != targetTileHeight_) | |
| 274 { | |
| 275 return NULL; | |
| 276 } | |
| 277 | |
| 278 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
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279 |
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280 if (source.HasRawTile(compression)) |
| 0 | 281 { |
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282 CheckTileSize(source.GetRawTile(), compression); |
| 0 | 283 return &source.GetRawTile(); |
| 284 } | |
| 285 else | |
| 286 { | |
| 287 return NULL; | |
| 288 } | |
| 289 } | |
| 290 | |
| 291 | |
| 154 | 292 void PyramidReader::GetDecodedTile(Orthanc::ImageAccessor& target, |
| 293 unsigned int tileX, | |
| 294 unsigned int tileY) | |
| 0 | 295 { |
| 296 if (tileX * targetTileWidth_ >= levelWidth_ || | |
| 297 tileY * targetTileHeight_ >= levelHeight_) | |
| 298 { | |
| 299 // Accessing a tile out of the source image | |
| 154 | 300 GetOutsideTile().GetReadOnlyAccessor(target); |
| 0 | 301 } |
| 154 | 302 else |
| 303 { | |
| 304 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
| 305 const Orthanc::ImageAccessor& tile = source.GetDecodedTile(); | |
| 0 | 306 |
| 154 | 307 CheckTileSize(tile); |
| 0 | 308 |
| 154 | 309 assert(sourceTileWidth_ % targetTileWidth_ == 0 && |
| 310 sourceTileHeight_ % targetTileHeight_ == 0); | |
| 0 | 311 |
| 154 | 312 unsigned int xx = tileX % (sourceTileWidth_ / targetTileWidth_); |
| 313 unsigned int yy = tileY % (sourceTileHeight_ / targetTileHeight_); | |
| 0 | 314 |
| 154 | 315 const uint8_t* bytes = |
| 316 reinterpret_cast<const uint8_t*>(tile.GetConstRow(yy * targetTileHeight_)) + | |
| 317 GetBytesPerPixel(tile.GetFormat()) * xx * targetTileWidth_; | |
| 0 | 318 |
| 154 | 319 target.AssignReadOnly(tile.GetFormat(), |
| 320 targetTileWidth_, | |
| 321 targetTileHeight_, | |
| 322 tile.GetPitch(), bytes); | |
| 323 } | |
| 0 | 324 } |
| 325 } |