Mercurial > hg > orthanc-wsi
comparison Framework/Algorithms/ReconstructPyramidCommand.cpp @ 0:4a7a53257c7d
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 22 Oct 2016 21:48:33 +0200 |
parents | |
children | 7a88c614be04 |
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-1:000000000000 | 0:4a7a53257c7d |
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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 | |
21 #include "ReconstructPyramidCommand.h" | |
22 | |
23 #include "../ImageToolbox.h" | |
24 #include "../Orthanc/Core/Logging.h" | |
25 #include "../Orthanc/Core/OrthancException.h" | |
26 #include "../Orthanc/Core/Images/Image.h" | |
27 | |
28 #include <cassert> | |
29 | |
30 namespace OrthancWSI | |
31 { | |
32 Orthanc::ImageAccessor* ReconstructPyramidCommand::Explore(unsigned int level, | |
33 unsigned int offsetX, | |
34 unsigned int offsetY) | |
35 { | |
36 unsigned int zoom = 1 << level; | |
37 assert(x_ % zoom == 0 && y_ % zoom == 0); | |
38 unsigned int x = x_ / zoom + offsetX; | |
39 unsigned int y = y_ / zoom + offsetY; | |
40 | |
41 if (x >= target_.GetCountTilesX(level + shiftTargetLevel_) || | |
42 y >= target_.GetCountTilesY(level + shiftTargetLevel_)) | |
43 { | |
44 return NULL; | |
45 } | |
46 | |
47 std::auto_ptr<Orthanc::ImageAccessor> result; | |
48 | |
49 if (level == 0) | |
50 { | |
51 result.reset(new Orthanc::ImageAccessor(source_.GetDecodedTile(x, y))); | |
52 | |
53 const std::string* rawTile = source_.GetRawTile(x, y); | |
54 | |
55 if (rawTile != NULL) | |
56 { | |
57 // Simple transcoding | |
58 target_.WriteRawTile(*rawTile, source_.GetImageCompression(), level + shiftTargetLevel_, x, y); | |
59 } | |
60 else | |
61 { | |
62 // Re-encoding the file | |
63 target_.EncodeTile(*result, level + shiftTargetLevel_, x, y); | |
64 } | |
65 } | |
66 else | |
67 { | |
68 std::auto_ptr<Orthanc::ImageAccessor> mosaic(ImageToolbox::Allocate(source_.GetPixelFormat(), | |
69 2 * target_.GetTileWidth(), | |
70 2 * target_.GetTileHeight())); | |
71 ImageToolbox::Set(*mosaic, | |
72 source_.GetParameters().GetBackgroundColorRed(), | |
73 source_.GetParameters().GetBackgroundColorGreen(), | |
74 source_.GetParameters().GetBackgroundColorBlue()); | |
75 | |
76 { | |
77 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX, 2 * offsetY)); | |
78 if (subTile.get() != NULL) | |
79 { | |
80 ImageToolbox::Embed(*mosaic, *subTile, 0, 0); | |
81 } | |
82 } | |
83 | |
84 { | |
85 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX + 1, 2 * offsetY)); | |
86 if (subTile.get() != NULL) | |
87 { | |
88 ImageToolbox::Embed(*mosaic, *subTile, target_.GetTileWidth(), 0); | |
89 } | |
90 } | |
91 | |
92 { | |
93 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX, 2 * offsetY + 1)); | |
94 if (subTile.get() != NULL) | |
95 { | |
96 ImageToolbox::Embed(*mosaic, *subTile, 0, target_.GetTileHeight()); | |
97 } | |
98 } | |
99 | |
100 { | |
101 std::auto_ptr<Orthanc::ImageAccessor> subTile(Explore(level - 1, 2 * offsetX + 1, 2 * offsetY + 1)); | |
102 if (subTile.get() != NULL) | |
103 { | |
104 ImageToolbox::Embed(*mosaic, *subTile, target_.GetTileWidth(), target_.GetTileHeight()); | |
105 } | |
106 } | |
107 | |
108 result.reset(ImageToolbox::Halve(*mosaic, source_.GetParameters().IsSmoothEnabled())); | |
109 | |
110 target_.EncodeTile(*result, level + shiftTargetLevel_, x, y); | |
111 } | |
112 | |
113 return result.release(); | |
114 } | |
115 | |
116 | |
117 ReconstructPyramidCommand::ReconstructPyramidCommand(IPyramidWriter& target, | |
118 ITiledPyramid& source, | |
119 unsigned int upToLevel, | |
120 unsigned int x, | |
121 unsigned int y, | |
122 const DicomizerParameters& parameters) : | |
123 target_(target), | |
124 source_(source, 0, target.GetTileWidth(), target.GetTileHeight(), parameters), | |
125 upToLevel_(upToLevel), | |
126 x_(x), | |
127 y_(y), | |
128 shiftTargetLevel_(0) | |
129 { | |
130 unsigned int zoom = 1 << upToLevel; | |
131 if (x % zoom != 0 || | |
132 y % zoom != 0) | |
133 { | |
134 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
135 } | |
136 | |
137 if (target.GetPixelFormat() != source.GetPixelFormat()) | |
138 { | |
139 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
140 } | |
141 } | |
142 | |
143 | |
144 bool ReconstructPyramidCommand::Execute() | |
145 { | |
146 std::auto_ptr<Orthanc::ImageAccessor> root(Explore(upToLevel_, 0, 0)); | |
147 return true; | |
148 } | |
149 | |
150 | |
151 void ReconstructPyramidCommand::PrepareBagOfTasks(Orthanc::BagOfTasks& tasks, | |
152 IPyramidWriter& target, | |
153 ITiledPyramid& source, | |
154 unsigned int countLevels, | |
155 unsigned int shiftTargetLevel, | |
156 const DicomizerParameters& parameters) | |
157 { | |
158 if (countLevels == 0) | |
159 { | |
160 return; | |
161 } | |
162 | |
163 if (shiftTargetLevel + countLevels > target.GetLevelCount()) | |
164 { | |
165 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
166 } | |
167 | |
168 const unsigned int targetCountTilesX = target.GetCountTilesX(shiftTargetLevel); | |
169 const unsigned int targetCountTilesY = target.GetCountTilesY(shiftTargetLevel); | |
170 const unsigned int step = 1 << (countLevels - 1); | |
171 | |
172 for (unsigned int y = 0; y < targetCountTilesY; y += step) | |
173 { | |
174 for (unsigned int x = 0; x < targetCountTilesX; x += step) | |
175 { | |
176 std::auto_ptr<ReconstructPyramidCommand> command; | |
177 command.reset(new ReconstructPyramidCommand | |
178 (target, source, countLevels - 1, x, y, parameters)); | |
179 command->SetShiftTargetLevel(shiftTargetLevel); | |
180 tasks.Push(command.release()); | |
181 } | |
182 } | |
183 } | |
184 } |