Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DicomPyramid.cpp @ 69:d529d9ce3c7e
cache for DicomPyramidInstance
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 25 Nov 2016 21:56:07 +0100 |
parents | f45cec2c32e2 |
children | ff0ef01c332c |
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 | |
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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 | |
69
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63 void DicomPyramid::RegisterInstances(const std::string& seriesId, |
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64 bool useCache) |
0 | 65 { |
66 Json::Value series; | |
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67 OrthancPlugins::IOrthancConnection::RestApiGet(series, orthanc_, "/series/" + seriesId); |
0 | 68 |
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69 if (series.type() != Json::objectValue || |
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70 !series.isMember("Instances") || |
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71 series["Instances"].type() != Json::arrayValue) |
0 | 72 { |
73 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
74 } | |
75 | |
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76 const Json::Value& instances = series["Instances"]; |
0 | 77 instances_.reserve(instances.size()); |
78 | |
79 for (Json::Value::ArrayIndex i = 0; i < instances.size(); i++) | |
80 { | |
81 if (instances[i].type() != Json::stringValue) | |
82 { | |
83 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); | |
84 } | |
85 | |
86 std::string instance = instances[i].asString(); | |
87 | |
88 try | |
89 { | |
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90 instances_.push_back(new DicomPyramidInstance(orthanc_, instance, useCache)); |
0 | 91 } |
92 catch (Orthanc::OrthancException&) | |
93 { | |
94 LOG(ERROR) << "Skipping a DICOM instance that is not part of a whole-slide image: " << instance; | |
95 } | |
96 } | |
97 } | |
98 | |
99 | |
100 void DicomPyramid::Check(const std::string& seriesId) const | |
101 { | |
102 if (instances_.empty()) | |
103 { | |
104 LOG(ERROR) << "This series does not contain a whole-slide image: " << seriesId; | |
105 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
106 } | |
107 | |
108 const DicomPyramidInstance& a = *instances_[0]; | |
109 | |
110 for (size_t i = 1; i < instances_.size(); i++) | |
111 { | |
112 const DicomPyramidInstance& b = *instances_[i]; | |
113 | |
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114 if (a.GetPixelFormat() != b.GetPixelFormat() || |
0 | 115 a.GetTileWidth() != b.GetTileWidth() || |
116 a.GetTileHeight() != b.GetTileHeight() || | |
117 a.GetTotalWidth() < b.GetTotalWidth() || | |
118 a.GetTotalHeight() < b.GetTotalHeight()) | |
119 { | |
120 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
121 } | |
122 | |
123 if (a.GetTotalWidth() == b.GetTotalWidth() && | |
124 a.GetTotalHeight() != b.GetTotalHeight()) | |
125 { | |
126 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
127 } | |
128 } | |
129 } | |
130 | |
131 | |
132 void DicomPyramid::CheckLevel(size_t level) const | |
133 { | |
134 if (level >= levels_.size()) | |
135 { | |
136 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
137 } | |
138 } | |
139 | |
140 | |
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141 DicomPyramid::DicomPyramid(OrthancPlugins::IOrthancConnection& orthanc, |
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142 const std::string& seriesId, |
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143 bool useCache) : |
0 | 144 orthanc_(orthanc), |
145 seriesId_(seriesId) | |
146 { | |
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147 RegisterInstances(seriesId, useCache); |
0 | 148 |
149 // Sort the instances of the pyramid by decreasing total widths | |
150 std::sort(instances_.begin(), instances_.end(), Comparator()); | |
151 | |
152 try | |
153 { | |
154 Check(seriesId); | |
155 } | |
156 catch (Orthanc::OrthancException&) | |
157 { | |
158 Clear(); | |
159 throw; | |
160 } | |
161 | |
162 for (size_t i = 0; i < instances_.size(); i++) | |
163 { | |
164 if (i == 0 || | |
165 instances_[i - 1]->GetTotalWidth() != instances_[i]->GetTotalWidth()) | |
166 { | |
167 levels_.push_back(new DicomPyramidLevel(*instances_[i])); | |
168 } | |
169 else | |
170 { | |
171 assert(levels_.back() != NULL); | |
172 levels_.back()->AddInstance(*instances_[i]); | |
173 } | |
174 } | |
175 } | |
176 | |
177 | |
178 unsigned int DicomPyramid::GetLevelWidth(unsigned int level) const | |
179 { | |
180 CheckLevel(level); | |
181 return levels_[level]->GetTotalWidth(); | |
182 } | |
183 | |
184 | |
185 unsigned int DicomPyramid::GetLevelHeight(unsigned int level) const | |
186 { | |
187 CheckLevel(level); | |
188 return levels_[level]->GetTotalHeight(); | |
189 } | |
190 | |
191 | |
192 unsigned int DicomPyramid::GetTileWidth() const | |
193 { | |
194 assert(!levels_.empty() && levels_[0] != NULL); | |
195 return levels_[0]->GetTileWidth(); | |
196 } | |
197 | |
198 | |
199 unsigned int DicomPyramid::GetTileHeight() const | |
200 { | |
201 assert(!levels_.empty() && levels_[0] != NULL); | |
202 return levels_[0]->GetTileHeight(); | |
203 } | |
204 | |
205 | |
206 bool DicomPyramid::ReadRawTile(std::string& tile, | |
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207 ImageCompression& compression, |
0 | 208 unsigned int level, |
209 unsigned int tileX, | |
210 unsigned int tileY) | |
211 { | |
212 CheckLevel(level); | |
213 | |
214 Orthanc::PixelFormat format; | |
215 | |
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216 if (levels_[level]->DownloadRawTile(tile, format, compression, orthanc_, tileX, tileY)) |
0 | 217 { |
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218 if (format != GetPixelFormat()) |
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219 { |
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220 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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221 } |
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222 |
0 | 223 return true; |
224 } | |
225 else | |
226 { | |
227 return false; | |
228 } | |
229 } | |
230 | |
231 | |
232 Orthanc::PixelFormat DicomPyramid::GetPixelFormat() const | |
233 { | |
234 assert(!instances_.empty() && instances_[0] != NULL); | |
235 return instances_[0]->GetPixelFormat(); | |
236 } | |
237 } |