Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/ReconstructPyramidCommand.cpp @ 175:e3cbf890b588
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 31 Jan 2020 17:44:03 +0100 |
parents | 6b8ccfc02051 |
children | f299c191cd76 |
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) 2017-2020 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 "ReconstructPyramidCommand.h" |
24 | |
25 #include "../ImageToolbox.h" | |
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26 #include <Core/Logging.h> |
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27 #include <Core/OrthancException.h> |
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28 #include <Core/Images/Image.h> |
0 | 29 |
30 #include <cassert> | |
31 | |
32 namespace OrthancWSI | |
33 { | |
34 Orthanc::ImageAccessor* ReconstructPyramidCommand::Explore(unsigned int level, | |
35 unsigned int offsetX, | |
36 unsigned int offsetY) | |
37 { | |
38 unsigned int zoom = 1 << level; | |
39 assert(x_ % zoom == 0 && y_ % zoom == 0); | |
40 unsigned int x = x_ / zoom + offsetX; | |
41 unsigned int y = y_ / zoom + offsetY; | |
42 | |
43 if (x >= target_.GetCountTilesX(level + shiftTargetLevel_) || | |
44 y >= target_.GetCountTilesY(level + shiftTargetLevel_)) | |
45 { | |
46 return NULL; | |
47 } | |
48 | |
49 std::auto_ptr<Orthanc::ImageAccessor> result; | |
50 | |
51 if (level == 0) | |
52 { | |
154 | 53 result.reset(new Orthanc::ImageAccessor); |
54 source_.GetDecodedTile(*result, x, y); | |
0 | 55 |
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56 ImageCompression compression; |
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57 const std::string* rawTile = source_.GetRawTile(compression, x, y); |
0 | 58 |
59 if (rawTile != NULL) | |
60 { | |
61 // Simple transcoding | |
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62 target_.WriteRawTile(*rawTile, compression, level + shiftTargetLevel_, x, y); |
0 | 63 } |
64 else | |
65 { | |
66 // Re-encoding the file | |
67 target_.EncodeTile(*result, level + shiftTargetLevel_, x, y); | |
68 } | |
69 } | |
70 else | |
71 { | |
72 std::auto_ptr<Orthanc::ImageAccessor> mosaic(ImageToolbox::Allocate(source_.GetPixelFormat(), | |
73 2 * target_.GetTileWidth(), | |
74 2 * target_.GetTileHeight())); | |
75 ImageToolbox::Set(*mosaic, | |
76 source_.GetParameters().GetBackgroundColorRed(), | |
77 source_.GetParameters().GetBackgroundColorGreen(), | |
78 source_.GetParameters().GetBackgroundColorBlue()); | |
79 | |
80 { | |
81 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX, 2 * offsetY)); | |
82 if (subTile.get() != NULL) | |
83 { | |
84 ImageToolbox::Embed(*mosaic, *subTile, 0, 0); | |
85 } | |
86 } | |
87 | |
88 { | |
89 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX + 1, 2 * offsetY)); | |
90 if (subTile.get() != NULL) | |
91 { | |
92 ImageToolbox::Embed(*mosaic, *subTile, target_.GetTileWidth(), 0); | |
93 } | |
94 } | |
95 | |
96 { | |
97 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX, 2 * offsetY + 1)); | |
98 if (subTile.get() != NULL) | |
99 { | |
100 ImageToolbox::Embed(*mosaic, *subTile, 0, target_.GetTileHeight()); | |
101 } | |
102 } | |
103 | |
104 { | |
105 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX + 1, 2 * offsetY + 1)); | |
106 if (subTile.get() != NULL) | |
107 { | |
108 ImageToolbox::Embed(*mosaic, *subTile, target_.GetTileWidth(), target_.GetTileHeight()); | |
109 } | |
110 } | |
111 | |
112 result.reset(ImageToolbox::Halve(*mosaic, source_.GetParameters().IsSmoothEnabled())); | |
113 | |
114 target_.EncodeTile(*result, level + shiftTargetLevel_, x, y); | |
115 } | |
116 | |
117 return result.release(); | |
118 } | |
119 | |
120 | |
121 ReconstructPyramidCommand::ReconstructPyramidCommand(IPyramidWriter& target, | |
122 ITiledPyramid& source, | |
123 unsigned int upToLevel, | |
124 unsigned int x, | |
125 unsigned int y, | |
126 const DicomizerParameters& parameters) : | |
127 target_(target), | |
128 source_(source, 0, target.GetTileWidth(), target.GetTileHeight(), parameters), | |
129 upToLevel_(upToLevel), | |
130 x_(x), | |
131 y_(y), | |
132 shiftTargetLevel_(0) | |
133 { | |
134 unsigned int zoom = 1 << upToLevel; | |
135 if (x % zoom != 0 || | |
136 y % zoom != 0) | |
137 { | |
138 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
139 } | |
140 | |
141 if (target.GetPixelFormat() != source.GetPixelFormat()) | |
142 { | |
143 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
144 } | |
145 } | |
146 | |
147 | |
148 bool ReconstructPyramidCommand::Execute() | |
149 { | |
150 std::auto_ptr<Orthanc::ImageAccessor> root(Explore(upToLevel_, 0, 0)); | |
151 return true; | |
152 } | |
153 | |
154 | |
155 void ReconstructPyramidCommand::PrepareBagOfTasks(Orthanc::BagOfTasks& tasks, | |
156 IPyramidWriter& target, | |
157 ITiledPyramid& source, | |
158 unsigned int countLevels, | |
159 unsigned int shiftTargetLevel, | |
160 const DicomizerParameters& parameters) | |
161 { | |
162 if (countLevels == 0) | |
163 { | |
164 return; | |
165 } | |
166 | |
167 if (shiftTargetLevel + countLevels > target.GetLevelCount()) | |
168 { | |
169 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
170 } | |
171 | |
172 const unsigned int targetCountTilesX = target.GetCountTilesX(shiftTargetLevel); | |
173 const unsigned int targetCountTilesY = target.GetCountTilesY(shiftTargetLevel); | |
174 const unsigned int step = 1 << (countLevels - 1); | |
175 | |
176 for (unsigned int y = 0; y < targetCountTilesY; y += step) | |
177 { | |
178 for (unsigned int x = 0; x < targetCountTilesX; x += step) | |
179 { | |
180 std::auto_ptr<ReconstructPyramidCommand> command; | |
181 command.reset(new ReconstructPyramidCommand | |
182 (target, source, countLevels - 1, x, y, parameters)); | |
183 command->SetShiftTargetLevel(shiftTargetLevel); | |
184 tasks.Push(command.release()); | |
185 } | |
186 } | |
187 } | |
188 } |