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annotate Framework/Algorithms/PyramidReader.h @ 175:e3cbf890b588

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 31 Jan 2020 17:44:03 +0100
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children a1c265cb2174
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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21
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22 #pragma once
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23
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24 #include "../Inputs/ITiledPyramid.h"
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25 #include "../DicomizerParameters.h"
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26
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27 #include <map>
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28 #include <memory>
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29
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30 namespace OrthancWSI
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31 {
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32 // This class is not thread-safe
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33 class PyramidReader : public boost::noncopyable
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34 {
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35 private:
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36 class SourceTile;
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37
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38 typedef std::pair<unsigned int, unsigned int> Location;
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39 typedef std::map<Location, SourceTile*> Cache;
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40
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41 ITiledPyramid& source_;
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42 unsigned int level_;
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43 unsigned int levelWidth_;
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44 unsigned int levelHeight_;
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45 unsigned int sourceTileWidth_;
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46 unsigned int sourceTileHeight_;
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47 unsigned int targetTileWidth_;
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48 unsigned int targetTileHeight_;
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49 const DicomizerParameters& parameters_;
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50
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51 Cache cache_;
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52
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53 std::auto_ptr<Orthanc::ImageAccessor> outside_;
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56 Orthanc::ImageAccessor& GetOutsideTile();
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58 void CheckTileSize(const Orthanc::ImageAccessor& tile) const;
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59
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60 void CheckTileSize(const std::string& tile,
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61 ImageCompression compression) const;
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63 SourceTile& AccessSourceTile(const Location& location);
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64
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65 Location MapTargetToSourceLocation(unsigned int tileX,
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66 unsigned int tileY);
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67
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68 public:
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69 PyramidReader(ITiledPyramid& source,
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70 unsigned int level,
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71 unsigned int targetTileWidth,
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72 unsigned int targetTileHeight,
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73 const DicomizerParameters& parameters);
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74
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75 ~PyramidReader();
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76
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77 const DicomizerParameters& GetParameters() const
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78 {
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79 return parameters_;
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80 }
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81
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82 Orthanc::PixelFormat GetPixelFormat() const
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83 {
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84 return source_.GetPixelFormat();
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85 }
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86
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87 const std::string* GetRawTile(ImageCompression& compression,
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88 unsigned int tileX,
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89 unsigned int tileY);
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90
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91 void GetDecodedTile(Orthanc::ImageAccessor& target,
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92 unsigned int tileX,
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93 unsigned int tileY);
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94 };
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95 }