Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DicomPyramid.cpp @ 112:999a17ecf9b6
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 26 Aug 2017 12:23:09 +0200 |
parents | ff0ef01c332c |
children | a51dee6a1515 |
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 Osimis, 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 "DicomPyramid.h" |
24 | |
25 #include "../DicomToolbox.h" | |
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26 #include "../../Resources/Orthanc/Core/Logging.h" |
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27 #include "../../Resources/Orthanc/Core/OrthancException.h" |
0 | 28 |
29 #include <algorithm> | |
30 #include <cassert> | |
31 | |
32 namespace OrthancWSI | |
33 { | |
34 struct DicomPyramid::Comparator | |
35 { | |
36 bool operator() (DicomPyramidInstance* const& a, | |
37 DicomPyramidInstance* const& b) const | |
38 { | |
39 return a->GetTotalWidth() > b->GetTotalWidth(); | |
40 } | |
41 }; | |
42 | |
43 | |
44 void DicomPyramid::Clear() | |
45 { | |
46 for (size_t i = 0; i < levels_.size(); i++) | |
47 { | |
48 if (levels_[i] != NULL) | |
49 { | |
50 delete levels_[i]; | |
51 } | |
52 } | |
53 | |
54 for (size_t i = 0; i < instances_.size(); i++) | |
55 { | |
56 if (instances_[i] != NULL) | |
57 { | |
58 delete instances_[i]; | |
59 } | |
60 } | |
61 } | |
62 | |
63 | |
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64 void DicomPyramid::RegisterInstances(const std::string& seriesId, |
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65 bool useCache) |
0 | 66 { |
67 Json::Value series; | |
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68 OrthancPlugins::IOrthancConnection::RestApiGet(series, orthanc_, "/series/" + seriesId); |
0 | 69 |
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70 if (series.type() != Json::objectValue || |
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71 !series.isMember("Instances") || |
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72 series["Instances"].type() != Json::arrayValue) |
0 | 73 { |
74 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
75 } | |
76 | |
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77 const Json::Value& instances = series["Instances"]; |
0 | 78 instances_.reserve(instances.size()); |
79 | |
80 for (Json::Value::ArrayIndex i = 0; i < instances.size(); i++) | |
81 { | |
82 if (instances[i].type() != Json::stringValue) | |
83 { | |
84 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
85 } | |
86 | |
87 std::string instance = instances[i].asString(); | |
88 | |
89 try | |
90 { | |
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91 instances_.push_back(new DicomPyramidInstance(orthanc_, instance, useCache)); |
0 | 92 } |
93 catch (Orthanc::OrthancException&) | |
94 { | |
95 LOG(ERROR) << "Skipping a DICOM instance that is not part of a whole-slide image: " << instance; | |
96 } | |
97 } | |
98 } | |
99 | |
100 | |
101 void DicomPyramid::Check(const std::string& seriesId) const | |
102 { | |
103 if (instances_.empty()) | |
104 { | |
105 LOG(ERROR) << "This series does not contain a whole-slide image: " << seriesId; | |
106 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
107 } | |
108 | |
109 const DicomPyramidInstance& a = *instances_[0]; | |
110 | |
111 for (size_t i = 1; i < instances_.size(); i++) | |
112 { | |
113 const DicomPyramidInstance& b = *instances_[i]; | |
114 | |
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115 if (a.GetPixelFormat() != b.GetPixelFormat() || |
0 | 116 a.GetTileWidth() != b.GetTileWidth() || |
117 a.GetTileHeight() != b.GetTileHeight() || | |
118 a.GetTotalWidth() < b.GetTotalWidth() || | |
119 a.GetTotalHeight() < b.GetTotalHeight()) | |
120 { | |
121 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
122 } | |
123 | |
124 if (a.GetTotalWidth() == b.GetTotalWidth() && | |
125 a.GetTotalHeight() != b.GetTotalHeight()) | |
126 { | |
127 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
128 } | |
129 } | |
130 } | |
131 | |
132 | |
133 void DicomPyramid::CheckLevel(size_t level) const | |
134 { | |
135 if (level >= levels_.size()) | |
136 { | |
137 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
138 } | |
139 } | |
140 | |
141 | |
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142 DicomPyramid::DicomPyramid(OrthancPlugins::IOrthancConnection& orthanc, |
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143 const std::string& seriesId, |
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144 bool useCache) : |
0 | 145 orthanc_(orthanc), |
146 seriesId_(seriesId) | |
147 { | |
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148 RegisterInstances(seriesId, useCache); |
0 | 149 |
150 // Sort the instances of the pyramid by decreasing total widths | |
151 std::sort(instances_.begin(), instances_.end(), Comparator()); | |
152 | |
153 try | |
154 { | |
155 Check(seriesId); | |
156 } | |
157 catch (Orthanc::OrthancException&) | |
158 { | |
159 Clear(); | |
160 throw; | |
161 } | |
162 | |
163 for (size_t i = 0; i < instances_.size(); i++) | |
164 { | |
165 if (i == 0 || | |
166 instances_[i - 1]->GetTotalWidth() != instances_[i]->GetTotalWidth()) | |
167 { | |
168 levels_.push_back(new DicomPyramidLevel(*instances_[i])); | |
169 } | |
170 else | |
171 { | |
172 assert(levels_.back() != NULL); | |
173 levels_.back()->AddInstance(*instances_[i]); | |
174 } | |
175 } | |
176 } | |
177 | |
178 | |
179 unsigned int DicomPyramid::GetLevelWidth(unsigned int level) const | |
180 { | |
181 CheckLevel(level); | |
182 return levels_[level]->GetTotalWidth(); | |
183 } | |
184 | |
185 | |
186 unsigned int DicomPyramid::GetLevelHeight(unsigned int level) const | |
187 { | |
188 CheckLevel(level); | |
189 return levels_[level]->GetTotalHeight(); | |
190 } | |
191 | |
192 | |
193 unsigned int DicomPyramid::GetTileWidth() const | |
194 { | |
195 assert(!levels_.empty() && levels_[0] != NULL); | |
196 return levels_[0]->GetTileWidth(); | |
197 } | |
198 | |
199 | |
200 unsigned int DicomPyramid::GetTileHeight() const | |
201 { | |
202 assert(!levels_.empty() && levels_[0] != NULL); | |
203 return levels_[0]->GetTileHeight(); | |
204 } | |
205 | |
206 | |
207 bool DicomPyramid::ReadRawTile(std::string& tile, | |
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208 ImageCompression& compression, |
0 | 209 unsigned int level, |
210 unsigned int tileX, | |
211 unsigned int tileY) | |
212 { | |
213 CheckLevel(level); | |
214 | |
215 Orthanc::PixelFormat format; | |
216 | |
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217 if (levels_[level]->DownloadRawTile(tile, format, compression, orthanc_, tileX, tileY)) |
0 | 218 { |
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219 if (format != GetPixelFormat()) |
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220 { |
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221 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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222 } |
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223 |
0 | 224 return true; |
225 } | |
226 else | |
227 { | |
228 return false; | |
229 } | |
230 } | |
231 | |
232 | |
233 Orthanc::PixelFormat DicomPyramid::GetPixelFormat() const | |
234 { | |
235 assert(!instances_.empty() && instances_[0] != NULL); | |
236 return instances_[0]->GetPixelFormat(); | |
237 } | |
238 } |