Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/PyramidReader.cpp @ 309:7020852a8fa9
updated year to 2024
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 22 Mar 2024 15:48:12 +0100 |
parents | 20a730889ae2 |
children | 0683312e21ba |
rev | line source |
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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 | |
309
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5 * Copyright (C) 2017-2024 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2024 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)), | |
217
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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 } |