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> |
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date | Thu, 14 Jan 2021 08:49:23 +0100 |
parents | 20bc074ec19a |
children | 49f647ed1b4c |
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) 2017-2021 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)), | |
217
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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 } |