Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/TranscodeTileCommand.cpp @ 205:a8f25caebc07
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 04 Aug 2020 13:29:52 +0200 |
parents | f299c191cd76 |
children | 1e864138f0da |
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 "TranscodeTileCommand.h" |
24 | |
192 | 25 #include <OrthancException.h> |
26 #include <Logging.h> | |
0 | 27 |
28 #include <cassert> | |
29 | |
30 namespace OrthancWSI | |
31 { | |
32 TranscodeTileCommand::TranscodeTileCommand(IPyramidWriter& target, | |
33 ITiledPyramid& source, | |
34 unsigned int level, | |
35 unsigned int x, | |
36 unsigned int y, | |
37 unsigned int countTilesX, | |
38 unsigned int countTilesY, | |
39 const DicomizerParameters& parameters) : | |
40 target_(target), | |
41 source_(source, level, target.GetTileWidth(), target.GetTileHeight(), parameters), | |
42 level_(level), | |
43 x_(x), | |
44 y_(y), | |
45 countTilesX_(countTilesX), | |
46 countTilesY_(countTilesY) | |
47 { | |
48 assert(x_ + countTilesX_ <= target_.GetCountTilesX(level_) && | |
49 y_ + countTilesY_ <= target_.GetCountTilesY(level_)); | |
50 | |
51 if (target.GetPixelFormat() != source.GetPixelFormat()) | |
52 { | |
53 throw Orthanc::OrthancException(Orthanc::ErrorCode_IncompatibleImageFormat); | |
54 } | |
55 } | |
56 | |
57 | |
58 bool TranscodeTileCommand::Execute() | |
59 { | |
60 for (unsigned int x = x_; x < x_ + countTilesX_; x++) | |
61 { | |
62 for (unsigned int y = y_; y < y_ + countTilesY_; y++) | |
63 { | |
64 LOG(INFO) << "Adding tile (" << x << "," << y << ") at level " << level_; | |
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65 |
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66 ImageCompression compression; |
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67 const std::string* rawTile = source_.GetRawTile(compression, x, y); |
0 | 68 |
69 if (rawTile != NULL) | |
70 { | |
71 // Simple transcoding | |
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72 target_.WriteRawTile(*rawTile, compression, level_, x, y); |
0 | 73 } |
74 else | |
75 { | |
154 | 76 Orthanc::ImageAccessor tile; |
77 source_.GetDecodedTile(tile, x, y); | |
0 | 78 |
79 // Re-encoding the file | |
80 target_.EncodeTile(tile, level_, x, y); | |
81 } | |
82 } | |
83 } | |
84 | |
85 return true; | |
86 } | |
87 | |
88 | |
89 void TranscodeTileCommand::PrepareBagOfTasks(Orthanc::BagOfTasks& tasks, | |
90 IPyramidWriter& target, | |
91 ITiledPyramid& source, | |
92 const DicomizerParameters& parameters) | |
93 { | |
94 const unsigned int stepX = source.GetTileWidth() / target.GetTileWidth(); | |
95 const unsigned int stepY = source.GetTileHeight() / target.GetTileHeight(); | |
96 assert(stepX >= 1 && stepY >= 1); | |
97 | |
98 for (unsigned int level = 0; level < source.GetLevelCount(); level++) | |
99 { | |
100 const unsigned int targetCountTilesX = target.GetCountTilesX(level); | |
101 const unsigned int targetCountTilesY = target.GetCountTilesY(level); | |
102 | |
103 for (unsigned int y = 0; y < targetCountTilesY; y += stepY) | |
104 { | |
105 unsigned int cy = stepY; | |
106 if (y + cy > targetCountTilesY) | |
107 { | |
108 cy = targetCountTilesY - y; | |
109 } | |
110 | |
111 for (unsigned int x = 0; x < targetCountTilesX; x += stepX) | |
112 { | |
113 unsigned int cx = stepX; | |
114 if (x + cx > targetCountTilesX) | |
115 { | |
116 cx = targetCountTilesX - x; | |
117 } | |
118 | |
119 tasks.Push(new TranscodeTileCommand | |
120 (target, source, level, x, y, cx, cy, parameters)); | |
121 } | |
122 } | |
123 } | |
124 } | |
125 } |