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annotate OrthancStone/Sources/Toolbox/ParsedDicomCache.h @ 1779:9ab251c03eda

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unit test VolumeRendering.TextureCorners
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 May 2021 10:01:20 +0200
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1 /**
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2 * Stone of Orthanc
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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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #pragma once
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24
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25 #include <Cache/MemoryObjectCache.h>
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26 #include <DicomParsing/ParsedDicomFile.h>
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27
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28 namespace OrthancStone
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29 {
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30 class ParsedDicomCache : public boost::noncopyable
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31 {
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32 private:
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33 class Item;
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34
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35 static std::string GetIndex(unsigned int bucket,
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36 const std::string& bucketKey);
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37
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38 Orthanc::MemoryObjectCache cache_;
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39 size_t lowCacheSizeWarning_;
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41 public:
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42 explicit ParsedDicomCache(size_t size) :
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43 lowCacheSizeWarning_(0)
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44 {
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45 cache_.SetMaximumSize(size);
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46 }
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47
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48 void Invalidate(unsigned int bucket,
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49 const std::string& bucketKey)
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50 {
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51 cache_.Invalidate(GetIndex(bucket, bucketKey));
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52 }
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53
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54 void Acquire(unsigned int bucket,
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55 const std::string& bucketKey,
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56 Orthanc::ParsedDicomFile* dicom,
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57 size_t fileSize,
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58 bool hasPixelData);
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59
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60 class Reader : public boost::noncopyable
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61 {
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62 private:
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63 Orthanc::MemoryObjectCache::Accessor accessor_;
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64 Item* item_;
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65
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66 public:
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67 Reader(ParsedDicomCache& cache,
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68 unsigned int bucket,
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69 const std::string& bucketKey);
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70
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71 bool IsValid() const
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72 {
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73 return item_ != NULL;
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74 }
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75
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76 bool HasPixelData() const;
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77
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78 Orthanc::ParsedDicomFile& GetDicom() const;
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79
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80 size_t GetFileSize() const;
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81 };
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82 };
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83 }