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annotate Framework/Algorithms/PyramidReader.h @ 233:c0a554576721 OrthancWSI-1.0

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 14 Jan 2021 08:49:23 +0100
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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) 2017-2021 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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27 #include <Compatibility.h> // For std::unique_ptr
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29 #include <map>
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30 #include <memory>
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31
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32 namespace OrthancWSI
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33 {
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34 // This class is not thread-safe
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35 class PyramidReader : public boost::noncopyable
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36 {
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37 private:
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38 class SourceTile;
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39
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40 typedef std::pair<unsigned int, unsigned int> Location;
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41 typedef std::map<Location, SourceTile*> Cache;
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42
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43 ITiledPyramid& source_;
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44 unsigned int level_;
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45 unsigned int levelWidth_;
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46 unsigned int levelHeight_;
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47 unsigned int sourceTileWidth_;
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48 unsigned int sourceTileHeight_;
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49 unsigned int targetTileWidth_;
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50 unsigned int targetTileHeight_;
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51 const DicomizerParameters& parameters_;
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52
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53 Cache cache_;
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54
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55 std::unique_ptr<Orthanc::ImageAccessor> outside_;
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58 Orthanc::ImageAccessor& GetOutsideTile();
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60 void CheckTileSize(const Orthanc::ImageAccessor& tile) const;
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61
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62 void CheckTileSize(const std::string& tile,
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63 ImageCompression compression) const;
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65 SourceTile& AccessSourceTile(const Location& location);
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66
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67 Location MapTargetToSourceLocation(unsigned int tileX,
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68 unsigned int tileY);
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70 public:
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71 PyramidReader(ITiledPyramid& source,
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72 unsigned int level,
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73 unsigned int targetTileWidth,
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74 unsigned int targetTileHeight,
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75 const DicomizerParameters& parameters);
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76
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77 ~PyramidReader();
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78
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79 const DicomizerParameters& GetParameters() const
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80 {
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81 return parameters_;
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82 }
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83
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84 Orthanc::PixelFormat GetPixelFormat() const
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85 {
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86 return source_.GetPixelFormat();
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87 }
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89 const std::string* GetRawTile(ImageCompression& compression,
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90 unsigned int tileX,
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91 unsigned int tileY);
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92
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93 void GetDecodedTile(Orthanc::ImageAccessor& target,
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94 unsigned int tileX,
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95 unsigned int tileY);
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96 };
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97 }