Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/PyramidReader.cpp @ 16:7a88c614be04
preparing for precompiled headers
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 27 Oct 2016 11:01:26 +0200 |
parents | 4a7a53257c7d |
children | 91fc9583b2de |
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 | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU Affero General Public License | |
8 * as published by the Free Software Foundation, either version 3 of | |
9 * the License, or (at your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * Affero General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU Affero General Public License | |
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 **/ | |
19 | |
20 | |
16
7a88c614be04
preparing for precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
21 #include "../PrecompiledHeadersWSI.h" |
0 | 22 #include "PyramidReader.h" |
23 | |
24 #include "../ImageToolbox.h" | |
25 #include "../Orthanc/Core/Logging.h" | |
26 #include "../Orthanc/Core/OrthancException.h" | |
27 | |
28 #include <cassert> | |
29 | |
30 namespace OrthancWSI | |
31 { | |
32 class PyramidReader::SourceTile : public boost::noncopyable | |
33 { | |
34 private: | |
35 PyramidReader& that_; | |
36 unsigned int tileX_; | |
37 unsigned int tileY_; | |
38 bool hasRawTile_; | |
39 std::string rawTile_; | |
40 | |
41 std::auto_ptr<Orthanc::ImageAccessor> decoded_; | |
42 | |
43 bool IsRepaintNeeded() const | |
44 { | |
45 return (that_.parameters_.IsRepaintBackground() && | |
46 ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_ || | |
47 (tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_)); | |
48 } | |
49 | |
50 void RepaintBackground() | |
51 { | |
52 assert(decoded_.get() != NULL); | |
53 LOG(INFO) << "Repainting background of tile (" | |
54 << tileX_ << "," << tileY_ << ") at level " << that_.level_; | |
55 | |
56 if ((tileY_ + 1) * that_.sourceTileHeight_ > that_.levelHeight_) | |
57 { | |
58 // Bottom overflow | |
59 assert(tileY_ * that_.sourceTileHeight_ < that_.levelHeight_); | |
60 | |
61 unsigned int bottom = that_.levelHeight_ - tileY_ * that_.sourceTileHeight_; | |
62 Orthanc::ImageAccessor a = decoded_->GetRegion(0, bottom, | |
63 that_.sourceTileWidth_, | |
64 that_.sourceTileHeight_ - bottom); | |
65 ImageToolbox::Set(a, | |
66 that_.parameters_.GetBackgroundColorRed(), | |
67 that_.parameters_.GetBackgroundColorGreen(), | |
68 that_.parameters_.GetBackgroundColorBlue()); | |
69 | |
70 } | |
71 | |
72 if ((tileX_ + 1) * that_.sourceTileWidth_ > that_.levelWidth_) | |
73 { | |
74 // Right overflow | |
75 assert(tileX_ * that_.sourceTileWidth_ < that_.levelWidth_); | |
76 | |
77 unsigned int right = that_.levelWidth_ - tileX_ * that_.sourceTileWidth_; | |
78 Orthanc::ImageAccessor a = decoded_->GetRegion(right, 0, | |
79 that_.sourceTileWidth_ - right, | |
80 that_.sourceTileHeight_); | |
81 ImageToolbox::Set(a, | |
82 that_.parameters_.GetBackgroundColorRed(), | |
83 that_.parameters_.GetBackgroundColorGreen(), | |
84 that_.parameters_.GetBackgroundColorBlue()); | |
85 } | |
86 } | |
87 | |
88 | |
89 public: | |
90 SourceTile(PyramidReader& that, | |
91 unsigned int tileX, | |
92 unsigned int tileY) : | |
93 that_(that), | |
94 tileX_(tileX), | |
95 tileY_(tileY) | |
96 { | |
97 if (!that_.parameters_.IsForceReencode() && | |
98 !IsRepaintNeeded() && | |
99 that_.source_.ReadRawTile(rawTile_, that_.level_, tileX, tileY)) | |
100 { | |
101 hasRawTile_ = true; | |
102 } | |
103 else | |
104 { | |
105 hasRawTile_ = false; | |
106 decoded_.reset(that_.source_.DecodeTile(that_.level_, tileX, tileY)); | |
107 if (decoded_.get() == NULL) | |
108 { | |
109 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
110 } | |
111 | |
112 RepaintBackground(); | |
113 } | |
114 } | |
115 | |
116 bool HasRawTile() const | |
117 { | |
118 return hasRawTile_; | |
119 } | |
120 | |
121 const std::string& GetRawTile() const | |
122 { | |
123 if (hasRawTile_) | |
124 { | |
125 return rawTile_; | |
126 } | |
127 else | |
128 { | |
129 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
130 } | |
131 } | |
132 | |
133 const Orthanc::ImageAccessor& GetDecodedTile() | |
134 { | |
135 if (decoded_.get() == NULL) | |
136 { | |
137 if (!hasRawTile_) | |
138 { | |
139 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
140 } | |
141 | |
142 decoded_.reset(ImageToolbox::DecodeTile(rawTile_, that_.source_.GetImageCompression())); | |
143 if (decoded_.get() == NULL) | |
144 { | |
145 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
146 } | |
147 | |
148 RepaintBackground(); | |
149 } | |
150 | |
151 return *decoded_; | |
152 } | |
153 }; | |
154 | |
155 | |
156 Orthanc::ImageAccessor& PyramidReader::GetOutsideTile() | |
157 { | |
158 if (outside_.get() == NULL) | |
159 { | |
160 outside_.reset(ImageToolbox::Allocate(source_.GetPixelFormat(), targetTileWidth_, targetTileHeight_)); | |
161 ImageToolbox::Set(*outside_, | |
162 parameters_.GetBackgroundColorRed(), | |
163 parameters_.GetBackgroundColorGreen(), | |
164 parameters_.GetBackgroundColorBlue()); | |
165 } | |
166 | |
167 return *outside_; | |
168 } | |
169 | |
170 | |
171 void PyramidReader::CheckTileSize(const Orthanc::ImageAccessor& tile) const | |
172 { | |
173 if (tile.GetWidth() != sourceTileWidth_ || | |
174 tile.GetHeight() != sourceTileHeight_) | |
175 { | |
176 LOG(ERROR) << "One tile in the input image has size " << tile.GetWidth() << "x" << tile.GetHeight() | |
177 << " instead of required " << source_.GetTileWidth() << "x" << source_.GetTileHeight(); | |
178 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
179 } | |
180 } | |
181 | |
182 | |
183 void PyramidReader::CheckTileSize(const std::string& tile) const | |
184 { | |
185 if (parameters_.IsSafetyCheck()) | |
186 { | |
187 std::auto_ptr<Orthanc::ImageAccessor> decoded(ImageToolbox::DecodeTile(tile, source_.GetImageCompression())); | |
188 CheckTileSize(*decoded); | |
189 } | |
190 } | |
191 | |
192 | |
193 PyramidReader::SourceTile& PyramidReader::AccessSourceTile(const Location& location) | |
194 { | |
195 Cache::iterator found = cache_.find(location); | |
196 if (found != cache_.end()) | |
197 { | |
198 return *found->second; | |
199 } | |
200 else | |
201 { | |
202 SourceTile *tile = new SourceTile(*this, location.first, location.second); | |
203 cache_[location] = tile; | |
204 return *tile; | |
205 } | |
206 } | |
207 | |
208 | |
209 PyramidReader::Location PyramidReader::MapTargetToSourceLocation(unsigned int tileX, | |
210 unsigned int tileY) | |
211 { | |
212 return std::make_pair(tileX / (sourceTileWidth_ / targetTileWidth_), | |
213 tileY / (sourceTileHeight_ / targetTileHeight_)); | |
214 } | |
215 | |
216 | |
217 PyramidReader::PyramidReader(ITiledPyramid& source, | |
218 unsigned int level, | |
219 unsigned int targetTileWidth, | |
220 unsigned int targetTileHeight, | |
221 const DicomizerParameters& parameters) : | |
222 source_(source), | |
223 level_(level), | |
224 levelWidth_(source.GetLevelWidth(level)), | |
225 levelHeight_(source.GetLevelHeight(level)), | |
226 sourceTileWidth_(source.GetTileWidth()), | |
227 sourceTileHeight_(source.GetTileHeight()), | |
228 targetTileWidth_(targetTileWidth), | |
229 targetTileHeight_(targetTileHeight), | |
230 parameters_(parameters) | |
231 { | |
232 if (sourceTileWidth_ % targetTileWidth_ != 0 || | |
233 sourceTileHeight_ % targetTileHeight_ != 0) | |
234 { | |
235 LOG(ERROR) << "When resampling the tile size, it must be a integer divisor of the original tile size"; | |
236 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageSize); | |
237 } | |
238 } | |
239 | |
240 | |
241 PyramidReader::~PyramidReader() | |
242 { | |
243 for (Cache::iterator it = cache_.begin(); it != cache_.end(); ++it) | |
244 { | |
245 assert(it->second != NULL); | |
246 delete it->second; | |
247 } | |
248 } | |
249 | |
250 | |
251 const std::string* PyramidReader::GetRawTile(unsigned int tileX, | |
252 unsigned int tileY) | |
253 { | |
254 if (sourceTileWidth_ != targetTileWidth_ || | |
255 sourceTileHeight_ != targetTileHeight_) | |
256 { | |
257 return NULL; | |
258 } | |
259 | |
260 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
261 if (source.HasRawTile()) | |
262 { | |
263 CheckTileSize(source.GetRawTile()); | |
264 return &source.GetRawTile(); | |
265 } | |
266 else | |
267 { | |
268 return NULL; | |
269 } | |
270 } | |
271 | |
272 | |
273 Orthanc::ImageAccessor PyramidReader::GetDecodedTile(unsigned int tileX, | |
274 unsigned int tileY) | |
275 { | |
276 if (tileX * targetTileWidth_ >= levelWidth_ || | |
277 tileY * targetTileHeight_ >= levelHeight_) | |
278 { | |
279 // Accessing a tile out of the source image | |
280 return GetOutsideTile(); | |
281 } | |
282 | |
283 SourceTile& source = AccessSourceTile(MapTargetToSourceLocation(tileX, tileY)); | |
284 const Orthanc::ImageAccessor& tile = source.GetDecodedTile(); | |
285 | |
286 CheckTileSize(tile); | |
287 | |
288 assert(sourceTileWidth_ % targetTileWidth_ == 0 && | |
289 sourceTileHeight_ % targetTileHeight_ == 0); | |
290 | |
291 unsigned int xx = tileX % (sourceTileWidth_ / targetTileWidth_); | |
292 unsigned int yy = tileY % (sourceTileHeight_ / targetTileHeight_); | |
293 | |
294 const uint8_t* bytes = | |
295 reinterpret_cast<const uint8_t*>(tile.GetConstRow(yy * targetTileHeight_)) + | |
296 GetBytesPerPixel(tile.GetFormat()) * xx * targetTileWidth_; | |
297 | |
298 Orthanc::ImageAccessor region; | |
299 region.AssignReadOnly(tile.GetFormat(), | |
300 targetTileWidth_, | |
301 targetTileHeight_, | |
302 tile.GetPitch(), bytes); | |
303 | |
304 return region; | |
305 } | |
306 } |