Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/PyramidReader.cpp @ 154:32a94bbb7d05
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 08 Oct 2018 12:12:39 +0200 |
| parents | a0f9a3df1110 |
| children | 6b8ccfc02051 |
| 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) 2017-2018 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 #include <Core/Logging.h> |
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27 #include <Core/OrthancException.h> |
| 0 | 28 |
| 29 #include <cassert> | |
| 30 | |
| 31 namespace OrthancWSI | |
| 32 { | |
| 33 class PyramidReader::SourceTile : public boost::noncopyable | |
| 34 { | |
| 35 private: | |
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36 PyramidReader& that_; |
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37 unsigned int tileX_; |
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38 unsigned int tileY_; |
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39 bool hasRawTile_; |
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40 std::string rawTile_; |
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41 ImageCompression rawTileCompression_; |
| 0 | 42 |
| 43 std::auto_ptr<Orthanc::ImageAccessor> decoded_; | |
| 44 | |
| 45 bool IsRepaintNeeded() const | |
| 46 { | |
| 47 return (that_.parameters_.IsRepaintBackground() && | |
| 48 ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_ || | |
| 49 (tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_)); | |
| 50 } | |
| 51 | |
| 52 void RepaintBackground() | |
| 53 { | |
| 54 assert(decoded_.get() != NULL); | |
| 55 LOG(INFO) << "Repainting background of tile (" | |
| 56 << tileX_ << "," << tileY_ << ") at level " << that_.level_; | |
| 57 | |
| 58 if ((tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_) | |
| 59 { | |
| 60 // Bottom overflow | |
| 61 assert(tileY_ * that_.sourceTileHeight_ < that_.levelHeight_); | |
| 62 | |
| 63 unsigned int bottom = that_.levelHeight_ - tileY_ * that_.sourceTileHeight_; | |
| 154 | 64 Orthanc::ImageAccessor a; |
| 65 decoded_->GetRegion(a, 0, bottom, | |
| 66 that_.sourceTileWidth_, | |
| 67 that_.sourceTileHeight_ - bottom); | |
| 0 | 68 ImageToolbox::Set(a, |
| 69 that_.parameters_.GetBackgroundColorRed(), | |
| 70 that_.parameters_.GetBackgroundColorGreen(), | |
| 71 that_.parameters_.GetBackgroundColorBlue()); | |
| 72 | |
| 73 } | |
| 74 | |
| 75 if ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_) | |
| 76 { | |
| 77 // Right overflow | |
| 78 assert(tileX_ * that_.sourceTileWidth_ < that_.levelWidth_); | |
| 79 | |
| 80 unsigned int right = that_.levelWidth_ - tileX_ * that_.sourceTileWidth_; | |
| 154 | 81 Orthanc::ImageAccessor a; |
| 82 decoded_->GetRegion(a, right, 0, | |
| 83 that_.sourceTileWidth_ - right, | |
| 84 that_.sourceTileHeight_); | |
| 0 | 85 ImageToolbox::Set(a, |
| 86 that_.parameters_.GetBackgroundColorRed(), | |
| 87 that_.parameters_.GetBackgroundColorGreen(), | |
| 88 that_.parameters_.GetBackgroundColorBlue()); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 | |
| 93 public: | |
| 94 SourceTile(PyramidReader& that, | |
| 95 unsigned int tileX, | |
| 96 unsigned int tileY) : | |
| 97 that_(that), | |
| 98 tileX_(tileX), | |
| 99 tileY_(tileY) | |
| 100 { | |
| 101 if (!that_.parameters_.IsForceReencode() && | |
| 102 !IsRepaintNeeded() && | |
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103 that_.source_.ReadRawTile(rawTile_, rawTileCompression_, that_.level_, tileX, tileY)) |
| 0 | 104 { |
| 105 hasRawTile_ = true; | |
| 106 } | |
| 107 else | |
| 108 { | |
| 109 hasRawTile_ = false; | |
| 110 decoded_.reset(that_.source_.DecodeTile(that_.level_, tileX, tileY)); | |
| 111 if (decoded_.get() == NULL) | |
| 112 { | |
| 113 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 114 } | |
| 115 | |
| 116 RepaintBackground(); | |
| 117 } | |
| 118 } | |
| 119 | |
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120 bool HasRawTile(ImageCompression& compression) const |
| 0 | 121 { |
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122 if (hasRawTile_) |
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123 { |
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124 compression = rawTileCompression_; |
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125 return true; |
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126 } |
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127 else |
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128 { |
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129 return false; |
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130 } |
| 0 | 131 } |
| 132 | |
| 133 const std::string& GetRawTile() const | |
| 134 { | |
| 135 if (hasRawTile_) | |
| 136 { | |
| 137 return rawTile_; | |
| 138 } | |
| 139 else | |
| 140 { | |
| 141 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 const Orthanc::ImageAccessor& GetDecodedTile() | |
| 146 { | |
| 147 if (decoded_.get() == NULL) | |
| 148 { | |
| 149 if (!hasRawTile_) | |
| 150 { | |
| 151 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 152 } | |
| 153 | |
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154 decoded_.reset(ImageToolbox::DecodeTile(rawTile_, rawTileCompression_)); |
| 0 | 155 if (decoded_.get() == NULL) |
| 156 { | |
| 157 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 158 } | |
| 159 | |
| 160 RepaintBackground(); | |
| 161 } | |
| 162 | |
| 163 return *decoded_; | |
| 164 } | |
| 165 }; | |
| 166 | |
| 167 | |
| 168 Orthanc::ImageAccessor& PyramidReader::GetOutsideTile() | |
| 169 { | |
| 170 if (outside_.get() == NULL) | |
| 171 { | |
| 172 outside_.reset(ImageToolbox::Allocate(source_.GetPixelFormat(), targetTileWidth_, targetTileHeight_)); | |
| 173 ImageToolbox::Set(*outside_, | |
| 174 parameters_.GetBackgroundColorRed(), | |
| 175 parameters_.GetBackgroundColorGreen(), | |
| 176 parameters_.GetBackgroundColorBlue()); | |
| 177 } | |
| 178 | |
| 179 return *outside_; | |
| 180 } | |
| 181 | |
| 182 | |
| 183 void PyramidReader::CheckTileSize(const Orthanc::ImageAccessor& tile) const | |
| 184 { | |
| 185 if (tile.GetWidth() != sourceTileWidth_ || | |
| 186 tile.GetHeight() != sourceTileHeight_) | |
| 187 { | |
| 188 LOG(ERROR) << "One tile in the input image has size " << tile.GetWidth() << "x" << tile.GetHeight() | |
| 189 << " instead of required " << source_.GetTileWidth() << "x" << source_.GetTileHeight(); | |
| 190 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
| 191 } | |
| 192 } | |
| 193 | |
| 194 | |
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195 void PyramidReader::CheckTileSize(const std::string& tile, |
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196 ImageCompression compression) const |
| 0 | 197 { |
| 198 if (parameters_.IsSafetyCheck()) | |
| 199 { | |
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200 std::auto_ptr<Orthanc::ImageAccessor> decoded(ImageToolbox::DecodeTile(tile, compression)); |
| 0 | 201 CheckTileSize(*decoded); |
| 202 } | |
| 203 } | |
| 204 | |
| 205 | |
| 206 PyramidReader::SourceTile& PyramidReader::AccessSourceTile(const Location& location) | |
| 207 { | |
| 208 Cache::iterator found = cache_.find(location); | |
| 209 if (found != cache_.end()) | |
| 210 { | |
| 211 return *found->second; | |
| 212 } | |
| 213 else | |
| 214 { | |
| 215 SourceTile *tile = new SourceTile(*this, location.first, location.second); | |
| 216 cache_[location] = tile; | |
| 217 return *tile; | |
| 218 } | |
| 219 } | |
| 220 | |
| 221 | |
| 222 PyramidReader::Location PyramidReader::MapTargetToSourceLocation(unsigned int tileX, | |
| 223 unsigned int tileY) | |
| 224 { | |
| 225 return std::make_pair(tileX / (sourceTileWidth_ / targetTileWidth_), | |
| 226 tileY / (sourceTileHeight_ / targetTileHeight_)); | |
| 227 } | |
| 228 | |
| 229 | |
| 230 PyramidReader::PyramidReader(ITiledPyramid& source, | |
| 231 unsigned int level, | |
| 232 unsigned int targetTileWidth, | |
| 233 unsigned int targetTileHeight, | |
| 234 const DicomizerParameters& parameters) : | |
| 235 source_(source), | |
| 236 level_(level), | |
| 237 levelWidth_(source.GetLevelWidth(level)), | |
| 238 levelHeight_(source.GetLevelHeight(level)), | |
| 239 sourceTileWidth_(source.GetTileWidth()), | |
| 240 sourceTileHeight_(source.GetTileHeight()), | |
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241 targetTileWidth_(targetTileWidth), |
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242 targetTileHeight_(targetTileHeight), |
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243 parameters_(parameters) |
| 0 | 244 { |
| 245 if (sourceTileWidth_ % targetTileWidth_ != 0 || | |
| 246 sourceTileHeight_ % targetTileHeight_ != 0) | |
| 247 { | |
| 248 LOG(ERROR) << "When resampling the tile size, it must be a integer divisor of the original tile size"; | |
| 249 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 | |
| 254 PyramidReader::~PyramidReader() | |
| 255 { | |
| 256 for (Cache::iterator it = cache_.begin(); it != cache_.end(); ++it) | |
| 257 { | |
| 258 assert(it->second != NULL); | |
| 259 delete it->second; | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 | |
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264 const std::string* PyramidReader::GetRawTile(ImageCompression& compression, |
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265 unsigned int tileX, |
| 0 | 266 unsigned int tileY) |
| 267 { | |
| 268 if (sourceTileWidth_ != targetTileWidth_ || | |
| 269 sourceTileHeight_ != targetTileHeight_) | |
| 270 { | |
| 271 return NULL; | |
| 272 } | |
| 273 | |
| 274 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
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275 |
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276 if (source.HasRawTile(compression)) |
| 0 | 277 { |
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278 CheckTileSize(source.GetRawTile(), compression); |
| 0 | 279 return &source.GetRawTile(); |
| 280 } | |
| 281 else | |
| 282 { | |
| 283 return NULL; | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 | |
| 154 | 288 void PyramidReader::GetDecodedTile(Orthanc::ImageAccessor& target, |
| 289 unsigned int tileX, | |
| 290 unsigned int tileY) | |
| 0 | 291 { |
| 292 if (tileX * targetTileWidth_ >= levelWidth_ || | |
| 293 tileY * targetTileHeight_ >= levelHeight_) | |
| 294 { | |
| 295 // Accessing a tile out of the source image | |
| 154 | 296 GetOutsideTile().GetReadOnlyAccessor(target); |
| 0 | 297 } |
| 154 | 298 else |
| 299 { | |
| 300 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
| 301 const Orthanc::ImageAccessor& tile = source.GetDecodedTile(); | |
| 0 | 302 |
| 154 | 303 CheckTileSize(tile); |
| 0 | 304 |
| 154 | 305 assert(sourceTileWidth_ % targetTileWidth_ == 0 && |
| 306 sourceTileHeight_ % targetTileHeight_ == 0); | |
| 0 | 307 |
| 154 | 308 unsigned int xx = tileX % (sourceTileWidth_ / targetTileWidth_); |
| 309 unsigned int yy = tileY % (sourceTileHeight_ / targetTileHeight_); | |
| 0 | 310 |
| 154 | 311 const uint8_t* bytes = |
| 312 reinterpret_cast<const uint8_t*>(tile.GetConstRow(yy * targetTileHeight_)) + | |
| 313 GetBytesPerPixel(tile.GetFormat()) * xx * targetTileWidth_; | |
| 0 | 314 |
| 154 | 315 target.AssignReadOnly(tile.GetFormat(), |
| 316 targetTileWidth_, | |
| 317 targetTileHeight_, | |
| 318 tile.GetPitch(), bytes); | |
| 319 } | |
| 0 | 320 } |
| 321 } |