Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/ReconstructPyramidCommand.cpp @ 94:5164bb05f972 OrthancWSI-0.3
OrthancWSI-0.3
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 23 Dec 2016 17:04:01 +0100 |
parents | 7a3853d51c45 |
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 | |
16
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preparing for precompiled headers
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21 #include "../PrecompiledHeadersWSI.h" |
0 | 22 #include "ReconstructPyramidCommand.h" |
23 | |
24 #include "../ImageToolbox.h" | |
59
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25 #include "../../Resources/Orthanc/Core/Logging.h" |
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26 #include "../../Resources/Orthanc/Core/OrthancException.h" |
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27 #include "../../Resources/Orthanc/Core/Images/Image.h" |
0 | 28 |
29 #include <cassert> | |
30 | |
31 namespace OrthancWSI | |
32 { | |
33 Orthanc::ImageAccessor* ReconstructPyramidCommand::Explore(unsigned int level, | |
34 unsigned int offsetX, | |
35 unsigned int offsetY) | |
36 { | |
37 unsigned int zoom = 1 << level; | |
38 assert(x_ % zoom == 0 && y_ % zoom == 0); | |
39 unsigned int x = x_ / zoom + offsetX; | |
40 unsigned int y = y_ / zoom + offsetY; | |
41 | |
42 if (x >= target_.GetCountTilesX(level + shiftTargetLevel_) || | |
43 y >= target_.GetCountTilesY(level + shiftTargetLevel_)) | |
44 { | |
45 return NULL; | |
46 } | |
47 | |
48 std::auto_ptr<Orthanc::ImageAccessor> result; | |
49 | |
50 if (level == 0) | |
51 { | |
52 result.reset(new Orthanc::ImageAccessor(source_.GetDecodedTile(x, y))); | |
53 | |
57
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54 ImageCompression compression; |
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55 const std::string* rawTile = source_.GetRawTile(compression, x, y); |
0 | 56 |
57 if (rawTile != NULL) | |
58 { | |
59 // Simple transcoding | |
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60 target_.WriteRawTile(*rawTile, compression, level + shiftTargetLevel_, x, y); |
0 | 61 } |
62 else | |
63 { | |
64 // Re-encoding the file | |
65 target_.EncodeTile(*result, level + shiftTargetLevel_, x, y); | |
66 } | |
67 } | |
68 else | |
69 { | |
70 std::auto_ptr<Orthanc::ImageAccessor> mosaic(ImageToolbox::Allocate(source_.GetPixelFormat(), | |
71 2 * target_.GetTileWidth(), | |
72 2 * target_.GetTileHeight())); | |
73 ImageToolbox::Set(*mosaic, | |
74 source_.GetParameters().GetBackgroundColorRed(), | |
75 source_.GetParameters().GetBackgroundColorGreen(), | |
76 source_.GetParameters().GetBackgroundColorBlue()); | |
77 | |
78 { | |
79 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX, 2 * offsetY)); | |
80 if (subTile.get() != NULL) | |
81 { | |
82 ImageToolbox::Embed(*mosaic, *subTile, 0, 0); | |
83 } | |
84 } | |
85 | |
86 { | |
87 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX + 1, 2 * offsetY)); | |
88 if (subTile.get() != NULL) | |
89 { | |
90 ImageToolbox::Embed(*mosaic, *subTile, target_.GetTileWidth(), 0); | |
91 } | |
92 } | |
93 | |
94 { | |
95 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX, 2 * offsetY + 1)); | |
96 if (subTile.get() != NULL) | |
97 { | |
98 ImageToolbox::Embed(*mosaic, *subTile, 0, target_.GetTileHeight()); | |
99 } | |
100 } | |
101 | |
102 { | |
103 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX + 1, 2 * offsetY + 1)); | |
104 if (subTile.get() != NULL) | |
105 { | |
106 ImageToolbox::Embed(*mosaic, *subTile, target_.GetTileWidth(), target_.GetTileHeight()); | |
107 } | |
108 } | |
109 | |
110 result.reset(ImageToolbox::Halve(*mosaic, source_.GetParameters().IsSmoothEnabled())); | |
111 | |
112 target_.EncodeTile(*result, level + shiftTargetLevel_, x, y); | |
113 } | |
114 | |
115 return result.release(); | |
116 } | |
117 | |
118 | |
119 ReconstructPyramidCommand::ReconstructPyramidCommand(IPyramidWriter& target, | |
120 ITiledPyramid& source, | |
121 unsigned int upToLevel, | |
122 unsigned int x, | |
123 unsigned int y, | |
124 const DicomizerParameters& parameters) : | |
125 target_(target), | |
126 source_(source, 0, target.GetTileWidth(), target.GetTileHeight(), parameters), | |
127 upToLevel_(upToLevel), | |
128 x_(x), | |
129 y_(y), | |
130 shiftTargetLevel_(0) | |
131 { | |
132 unsigned int zoom = 1 << upToLevel; | |
133 if (x % zoom != 0 || | |
134 y % zoom != 0) | |
135 { | |
136 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
137 } | |
138 | |
139 if (target.GetPixelFormat() != source.GetPixelFormat()) | |
140 { | |
141 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
142 } | |
143 } | |
144 | |
145 | |
146 bool ReconstructPyramidCommand::Execute() | |
147 { | |
148 std::auto_ptr<Orthanc::ImageAccessor> root(Explore(upToLevel_, 0, 0)); | |
149 return true; | |
150 } | |
151 | |
152 | |
153 void ReconstructPyramidCommand::PrepareBagOfTasks(Orthanc::BagOfTasks& tasks, | |
154 IPyramidWriter& target, | |
155 ITiledPyramid& source, | |
156 unsigned int countLevels, | |
157 unsigned int shiftTargetLevel, | |
158 const DicomizerParameters& parameters) | |
159 { | |
160 if (countLevels == 0) | |
161 { | |
162 return; | |
163 } | |
164 | |
165 if (shiftTargetLevel + countLevels > target.GetLevelCount()) | |
166 { | |
167 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
168 } | |
169 | |
170 const unsigned int targetCountTilesX = target.GetCountTilesX(shiftTargetLevel); | |
171 const unsigned int targetCountTilesY = target.GetCountTilesY(shiftTargetLevel); | |
172 const unsigned int step = 1 << (countLevels - 1); | |
173 | |
174 for (unsigned int y = 0; y < targetCountTilesY; y += step) | |
175 { | |
176 for (unsigned int x = 0; x < targetCountTilesX; x += step) | |
177 { | |
178 std::auto_ptr<ReconstructPyramidCommand> command; | |
179 command.reset(new ReconstructPyramidCommand | |
180 (target, source, countLevels - 1, x, y, parameters)); | |
181 command->SetShiftTargetLevel(shiftTargetLevel); | |
182 tasks.Push(command.release()); | |
183 } | |
184 } | |
185 } | |
186 } |