Mercurial > hg > orthanc-wsi
annotate Framework/Algorithms/TranscodeTileCommand.cpp @ 137:90b392cb1aba
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 11 Apr 2018 15:45:26 +0200 |
| parents | a51dee6a1515 |
| children | a0f9a3df1110 |
| rev | line source |
|---|---|
| 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) 2017-2018 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 | |
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25 #include "../../Resources/Orthanc/Core/OrthancException.h" |
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26 #include "../../Resources/Orthanc/Core/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 { | |
| 76 Orthanc::ImageAccessor tile = source_.GetDecodedTile(x, y); | |
| 77 | |
| 78 // Re-encoding the file | |
| 79 target_.EncodeTile(tile, level_, x, y); | |
| 80 } | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 return true; | |
| 85 } | |
| 86 | |
| 87 | |
| 88 void TranscodeTileCommand::PrepareBagOfTasks(Orthanc::BagOfTasks& tasks, | |
| 89 IPyramidWriter& target, | |
| 90 ITiledPyramid& source, | |
| 91 const DicomizerParameters& parameters) | |
| 92 { | |
| 93 const unsigned int stepX = source.GetTileWidth() / target.GetTileWidth(); | |
| 94 const unsigned int stepY = source.GetTileHeight() / target.GetTileHeight(); | |
| 95 assert(stepX >= 1 && stepY >= 1); | |
| 96 | |
| 97 for (unsigned int level = 0; level < source.GetLevelCount(); level++) | |
| 98 { | |
| 99 const unsigned int targetCountTilesX = target.GetCountTilesX(level); | |
| 100 const unsigned int targetCountTilesY = target.GetCountTilesY(level); | |
| 101 | |
| 102 for (unsigned int y = 0; y < targetCountTilesY; y += stepY) | |
| 103 { | |
| 104 unsigned int cy = stepY; | |
| 105 if (y + cy > targetCountTilesY) | |
| 106 { | |
| 107 cy = targetCountTilesY - y; | |
| 108 } | |
| 109 | |
| 110 for (unsigned int x = 0; x < targetCountTilesX; x += stepX) | |
| 111 { | |
| 112 unsigned int cx = stepX; | |
| 113 if (x + cx > targetCountTilesX) | |
| 114 { | |
| 115 cx = targetCountTilesX - x; | |
| 116 } | |
| 117 | |
| 118 tasks.Push(new TranscodeTileCommand | |
| 119 (target, source, level, x, y, cx, cy, parameters)); | |
| 120 } | |
| 121 } | |
| 122 } | |
| 123 } | |
| 124 } |