Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/ParsedDicomCache.cpp @ 1606:874e178f34e9
- ViewportController now has weak ptr to Viewport
- Measuring tools + related commands and all trackers now store only a weak_ptr to the Viewport and lock() on demand for usage
- LayerHolder and FixedPoint aligner store only a weak_ptr to the Viewport, too
- Fixed float/double warning in GrayscaleWindowingSceneTracker
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Wed, 28 Oct 2020 20:14:34 +0100 |
parents | 8563ea5d8ae4 |
children | 59f95b9ea858 |
rev | line source |
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1116 | 1 /** |
2 * Stone of Orthanc | |
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 |
1116 | 6 * |
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 |
1116 | 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 | |
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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/>. |
1116 | 20 **/ |
21 | |
22 | |
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23 #include "ParsedDicomCache.h" |
1116 | 24 |
25 namespace OrthancStone | |
26 { | |
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27 class ParsedDicomCache::Item : public Orthanc::ICacheable |
1116 | 28 { |
29 private: | |
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30 std::unique_ptr<Orthanc::ParsedDicomFile> dicom_; |
1571 | 31 size_t fileSize_; |
32 bool hasPixelData_; | |
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33 |
1116 | 34 public: |
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35 Item(Orthanc::ParsedDicomFile* dicom, |
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36 size_t fileSize, |
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37 bool hasPixelData) : |
1116 | 38 dicom_(dicom), |
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39 fileSize_(fileSize), |
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40 hasPixelData_(hasPixelData) |
1116 | 41 { |
42 if (dicom == NULL) | |
43 { | |
44 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
45 } | |
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46 } |
1116 | 47 |
1571 | 48 virtual size_t GetMemoryUsage() const ORTHANC_OVERRIDE |
1116 | 49 { |
50 return fileSize_; | |
51 } | |
52 | |
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53 Orthanc::ParsedDicomFile& GetDicom() const |
1116 | 54 { |
55 assert(dicom_.get() != NULL); | |
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56 return *dicom_; |
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57 } |
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58 |
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59 bool HasPixelData() const |
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60 { |
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61 return hasPixelData_; |
1116 | 62 } |
63 }; | |
64 | |
65 | |
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66 std::string ParsedDicomCache::GetIndex(unsigned int bucket, |
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67 const std::string& bucketKey) |
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68 { |
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69 return boost::lexical_cast<std::string>(bucket) + "|" + bucketKey; |
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70 } |
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71 |
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72 |
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73 void ParsedDicomCache::Acquire(unsigned int bucket, |
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74 const std::string& bucketKey, |
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75 Orthanc::ParsedDicomFile* dicom, |
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76 size_t fileSize, |
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77 bool hasPixelData) |
1116 | 78 { |
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79 LOG(TRACE) << "new item stored in cache: bucket " << bucket << ", key " << bucketKey; |
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80 cache_.Acquire(GetIndex(bucket, bucketKey), new Item(dicom, fileSize, hasPixelData)); |
1116 | 81 } |
82 | |
83 | |
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84 ParsedDicomCache::Reader::Reader(ParsedDicomCache& cache, |
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85 unsigned int bucket, |
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86 const std::string& bucketKey) : |
1140 | 87 /** |
88 * The "DcmFileFormat" object cannot be accessed from multiple | |
89 * threads, even if using only getters. An unique lock (mutex) is | |
90 * mandatory. | |
91 **/ | |
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92 accessor_(cache.cache_, GetIndex(bucket, bucketKey), true /* unique */) |
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93 { |
1140 | 94 if (accessor_.IsValid()) |
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95 { |
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96 LOG(TRACE) << "accessing item within cache: bucket " << bucket << ", key " << bucketKey; |
1140 | 97 item_ = &dynamic_cast<Item&>(accessor_.GetValue()); |
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98 } |
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99 else |
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100 { |
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101 LOG(TRACE) << "missing item within cache: bucket " << bucket << ", key " << bucketKey; |
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102 item_ = NULL; |
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103 } |
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104 } |
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105 |
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106 |
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107 bool ParsedDicomCache::Reader::HasPixelData() const |
1116 | 108 { |
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109 if (item_ == NULL) |
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110 { |
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111 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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112 } |
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113 else |
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114 { |
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115 return item_->HasPixelData(); |
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116 } |
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117 } |
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118 |
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119 |
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120 Orthanc::ParsedDicomFile& ParsedDicomCache::Reader::GetDicom() const |
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121 { |
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122 if (item_ == NULL) |
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123 { |
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124 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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125 } |
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126 else |
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127 { |
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128 return item_->GetDicom(); |
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129 } |
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130 } |
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131 |
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132 |
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133 size_t ParsedDicomCache::Reader::GetFileSize() const |
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134 { |
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135 if (item_ == NULL) |
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136 { |
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137 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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138 } |
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139 else |
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140 { |
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141 return item_->GetMemoryUsage(); |
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142 } |
1116 | 143 } |
144 } |