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> |
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date | Thu, 30 May 2024 22:11:10 +0200 |
parents | 7020852a8fa9 |
children | 8ad12abde290 |
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 | |
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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)), | |
217
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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 } |