Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DicomPyramid.cpp @ 64:63d0a5c74460
DicomPyramidInstance::Serialize
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 25 Nov 2016 18:34:17 +0100 |
parents | f45cec2c32e2 |
children | d529d9ce3c7e |
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
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21 #include "../PrecompiledHeadersWSI.h" |
0 | 22 #include "DicomPyramid.h" |
23 | |
24 #include "../DicomToolbox.h" | |
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25 #include "../../Resources/Orthanc/Core/Logging.h" |
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26 #include "../../Resources/Orthanc/Core/OrthancException.h" |
0 | 27 |
28 #include <algorithm> | |
29 #include <cassert> | |
30 | |
31 namespace OrthancWSI | |
32 { | |
33 struct DicomPyramid::Comparator | |
34 { | |
35 bool operator() (DicomPyramidInstance* const& a, | |
36 DicomPyramidInstance* const& b) const | |
37 { | |
38 return a->GetTotalWidth() > b->GetTotalWidth(); | |
39 } | |
40 }; | |
41 | |
42 | |
43 void DicomPyramid::Clear() | |
44 { | |
45 for (size_t i = 0; i < levels_.size(); i++) | |
46 { | |
47 if (levels_[i] != NULL) | |
48 { | |
49 delete levels_[i]; | |
50 } | |
51 } | |
52 | |
53 for (size_t i = 0; i < instances_.size(); i++) | |
54 { | |
55 if (instances_[i] != NULL) | |
56 { | |
57 delete instances_[i]; | |
58 } | |
59 } | |
60 } | |
61 | |
62 | |
63 void DicomPyramid::RegisterInstances(const std::string& seriesId) | |
64 { | |
65 Json::Value series; | |
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66 OrthancPlugins::IOrthancConnection::RestApiGet(series, orthanc_, "/series/" + seriesId); |
0 | 67 |
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68 if (series.type() != Json::objectValue || |
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69 !series.isMember("Instances") || |
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70 series["Instances"].type() != Json::arrayValue) |
0 | 71 { |
72 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
73 } | |
74 | |
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75 const Json::Value& instances = series["Instances"]; |
0 | 76 instances_.reserve(instances.size()); |
77 | |
78 for (Json::Value::ArrayIndex i = 0; i < instances.size(); i++) | |
79 { | |
80 if (instances[i].type() != Json::stringValue) | |
81 { | |
82 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
83 } | |
84 | |
85 std::string instance = instances[i].asString(); | |
86 | |
87 try | |
88 { | |
89 instances_.push_back(new DicomPyramidInstance(orthanc_, instance)); | |
90 } | |
91 catch (Orthanc::OrthancException&) | |
92 { | |
93 LOG(ERROR) << "Skipping a DICOM instance that is not part of a whole-slide image: " << instance; | |
94 } | |
95 } | |
96 } | |
97 | |
98 | |
99 void DicomPyramid::Check(const std::string& seriesId) const | |
100 { | |
101 if (instances_.empty()) | |
102 { | |
103 LOG(ERROR) << "This series does not contain a whole-slide image: " << seriesId; | |
104 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
105 } | |
106 | |
107 const DicomPyramidInstance& a = *instances_[0]; | |
108 | |
109 for (size_t i = 1; i < instances_.size(); i++) | |
110 { | |
111 const DicomPyramidInstance& b = *instances_[i]; | |
112 | |
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113 if (a.GetPixelFormat() != b.GetPixelFormat() || |
0 | 114 a.GetTileWidth() != b.GetTileWidth() || |
115 a.GetTileHeight() != b.GetTileHeight() || | |
116 a.GetTotalWidth() < b.GetTotalWidth() || | |
117 a.GetTotalHeight() < b.GetTotalHeight()) | |
118 { | |
119 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
120 } | |
121 | |
122 if (a.GetTotalWidth() == b.GetTotalWidth() && | |
123 a.GetTotalHeight() != b.GetTotalHeight()) | |
124 { | |
125 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
126 } | |
127 } | |
128 } | |
129 | |
130 | |
131 void DicomPyramid::CheckLevel(size_t level) const | |
132 { | |
133 if (level >= levels_.size()) | |
134 { | |
135 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
136 } | |
137 } | |
138 | |
139 | |
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140 DicomPyramid::DicomPyramid(OrthancPlugins::IOrthancConnection& orthanc, |
0 | 141 const std::string& seriesId) : |
142 orthanc_(orthanc), | |
143 seriesId_(seriesId) | |
144 { | |
145 RegisterInstances(seriesId); | |
146 | |
147 // Sort the instances of the pyramid by decreasing total widths | |
148 std::sort(instances_.begin(), instances_.end(), Comparator()); | |
149 | |
150 try | |
151 { | |
152 Check(seriesId); | |
153 } | |
154 catch (Orthanc::OrthancException&) | |
155 { | |
156 Clear(); | |
157 throw; | |
158 } | |
159 | |
160 for (size_t i = 0; i < instances_.size(); i++) | |
161 { | |
162 if (i == 0 || | |
163 instances_[i - 1]->GetTotalWidth() != instances_[i]->GetTotalWidth()) | |
164 { | |
165 levels_.push_back(new DicomPyramidLevel(*instances_[i])); | |
166 } | |
167 else | |
168 { | |
169 assert(levels_.back() != NULL); | |
170 levels_.back()->AddInstance(*instances_[i]); | |
171 } | |
172 } | |
173 } | |
174 | |
175 | |
176 unsigned int DicomPyramid::GetLevelWidth(unsigned int level) const | |
177 { | |
178 CheckLevel(level); | |
179 return levels_[level]->GetTotalWidth(); | |
180 } | |
181 | |
182 | |
183 unsigned int DicomPyramid::GetLevelHeight(unsigned int level) const | |
184 { | |
185 CheckLevel(level); | |
186 return levels_[level]->GetTotalHeight(); | |
187 } | |
188 | |
189 | |
190 unsigned int DicomPyramid::GetTileWidth() const | |
191 { | |
192 assert(!levels_.empty() && levels_[0] != NULL); | |
193 return levels_[0]->GetTileWidth(); | |
194 } | |
195 | |
196 | |
197 unsigned int DicomPyramid::GetTileHeight() const | |
198 { | |
199 assert(!levels_.empty() && levels_[0] != NULL); | |
200 return levels_[0]->GetTileHeight(); | |
201 } | |
202 | |
203 | |
204 bool DicomPyramid::ReadRawTile(std::string& tile, | |
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205 ImageCompression& compression, |
0 | 206 unsigned int level, |
207 unsigned int tileX, | |
208 unsigned int tileY) | |
209 { | |
210 CheckLevel(level); | |
211 | |
212 Orthanc::PixelFormat format; | |
213 | |
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214 if (levels_[level]->DownloadRawTile(tile, format, compression, orthanc_, tileX, tileY)) |
0 | 215 { |
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216 if (format != GetPixelFormat()) |
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217 { |
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218 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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219 } |
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220 |
0 | 221 return true; |
222 } | |
223 else | |
224 { | |
225 return false; | |
226 } | |
227 } | |
228 | |
229 | |
230 Orthanc::PixelFormat DicomPyramid::GetPixelFormat() const | |
231 { | |
232 assert(!instances_.empty() && instances_[0] != NULL); | |
233 return instances_[0]->GetPixelFormat(); | |
234 } | |
235 } |