Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Loaders/SeriesFramesLoader.h @ 1598:8563ea5d8ae4

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 26 Oct 2020 20:49:28 +0100
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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) 2017-2020 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 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 "../OrthancStone.h"
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27 #if !defined(ORTHANC_ENABLE_DCMTK)
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28 # error The macro ORTHANC_ENABLE_DCMTK must be defined
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29 #endif
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30
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31 #include "OracleScheduler.h"
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32 #include "DicomSource.h"
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33 #include "SeriesOrderedFrames.h"
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34 #include "ILoaderFactory.h"
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35
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36 namespace OrthancStone
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37 {
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38 class SeriesFramesLoader :
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39 public ObserverBase<SeriesFramesLoader>,
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40 public IObservable
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41 {
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42 private:
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43 class Payload;
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44
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45 ILoadersContext& context_;
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46 SeriesOrderedFrames frames_;
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47 std::string dicomDirPath_;
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48 boost::shared_ptr<LoadedDicomResources> dicomDir_;
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49
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50 SeriesFramesLoader(ILoadersContext& context,
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51 LoadedDicomResources& instances,
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52 const std::string& dicomDirPath,
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53 boost::shared_ptr<LoadedDicomResources> dicomDir);
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54
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55 void EmitMessage(const Payload& payload,
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56 const Orthanc::ImageAccessor& image);
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57
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58 #if ORTHANC_ENABLE_DCMTK == 1
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59 void HandleDicom(const Payload& payload,
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60 const Orthanc::ParsedDicomFile& dicom);
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61 #endif
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62
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63 void HandleDicomWebRendered(const Payload& payload,
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64 const std::string& body,
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65 const std::map<std::string, std::string>& headers);
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66
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67 #if ORTHANC_ENABLE_DCMTK == 1
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68 void Handle(const ParseDicomSuccessMessage& message);
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69 #endif
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70
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71 void Handle(const GetOrthancImageCommand::SuccessMessage& message);
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72
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73 void Handle(const GetOrthancWebViewerJpegCommand::SuccessMessage& message);
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74
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75 void Handle(const OrthancRestApiCommand::SuccessMessage& message);
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76
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77 void Handle(const HttpCommand::SuccessMessage& message);
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78
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79 void GetPreviewWindowing(float& center,
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80 float& width,
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81 size_t index) const;
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82
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83 public:
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84 class FrameLoadedMessage : public OriginMessage<SeriesFramesLoader>
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85 {
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86 ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
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87
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88 private:
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89 size_t frameIndex_;
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90 unsigned int quality_;
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91 const Orthanc::ImageAccessor& image_;
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92 const Orthanc::DicomMap& instance_;
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93 const DicomInstanceParameters& parameters_;
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94 Orthanc::IDynamicObject* userPayload_; // Ownership is maintained by the caller
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95
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96 public:
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97 FrameLoadedMessage(const SeriesFramesLoader& loader,
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98 size_t frameIndex,
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99 unsigned int quality,
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100 const Orthanc::ImageAccessor& image,
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101 const Orthanc::DicomMap& instance,
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102 const DicomInstanceParameters& parameters,
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103 Orthanc::IDynamicObject* userPayload) :
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104 OriginMessage(loader),
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105 frameIndex_(frameIndex),
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106 quality_(quality),
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107 image_(image),
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108 instance_(instance),
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109 parameters_(parameters),
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110 userPayload_(userPayload)
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111 {
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112 }
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113
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114 size_t GetFrameIndex() const
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115 {
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116 return frameIndex_;
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117 }
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118
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119 unsigned int GetQuality() const
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120 {
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121 return quality_;
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122 }
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123
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124 const Orthanc::ImageAccessor& GetImage() const
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125 {
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126 return image_;
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127 }
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128
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129 const Orthanc::DicomMap& GetInstance() const
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130 {
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131 return instance_;
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132 }
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133
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134 const DicomInstanceParameters& GetInstanceParameters() const
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135 {
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136 return parameters_;
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137 }
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138
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139 bool HasUserPayload() const
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140 {
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141 return userPayload_ != NULL;
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142 }
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143
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144 Orthanc::IDynamicObject& GetUserPayload() const;
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145 };
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146
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147
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148 class Factory : public ILoaderFactory
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149 {
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150 private:
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151 LoadedDicomResources& instances_;
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152 std::string dicomDirPath_;
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153 boost::shared_ptr<LoadedDicomResources> dicomDir_;
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154
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155 public:
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156 // No "const" because "LoadedDicomResources::GetResource()" will call "Flatten()"
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157 explicit Factory(LoadedDicomResources& instances) :
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158 instances_(instances)
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159 {
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160 }
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161
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162 void SetDicomDir(const std::string& dicomDirPath,
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163 boost::shared_ptr<LoadedDicomResources> dicomDir);
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164
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165 virtual boost::shared_ptr<IObserver> Create(ILoadersContext::ILock& context) ORTHANC_OVERRIDE;
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166 };
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167
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168 const SeriesOrderedFrames& GetOrderedFrames() const
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169 {
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170 return frames_;
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171 }
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172
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173 void ScheduleLoadFrame(int priority,
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174 const DicomSource& source,
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175 size_t index,
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176 unsigned int quality,
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177 Orthanc::IDynamicObject* userPayload /* transfer ownership */);
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178 };
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179 }