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annotate Core/DicomParsing/FromDcmtkBridge.h @ 2439:66202ceff3f7

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 30 Nov 2017 10:26:20 +0100
parents e4045b3c9772
children 878b59270859
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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 Osimis, 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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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34 #pragma once
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35
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36 #include "../DicomFormat/DicomElement.h"
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37 #include "../DicomFormat/DicomMap.h"
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38
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39 #include <dcmtk/dcmdata/dcdatset.h>
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40 #include <dcmtk/dcmdata/dcmetinf.h>
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41 #include <dcmtk/dcmdata/dcpixseq.h>
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42 #include <dcmtk/dcmdata/dcfilefo.h>
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43 #include <json/json.h>
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44
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45 #if !defined(ORTHANC_ENABLE_LUA)
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46 # error The macro ORTHANC_ENABLE_LUA must be defined
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47 #endif
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48
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49 #if ORTHANC_ENABLE_DCMTK != 1
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50 # error The macro ORTHANC_ENABLE_DCMTK must be set to 1
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51 #endif
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52
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53 #if ORTHANC_BUILD_UNIT_TESTS == 1
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54 # include <gtest/gtest_prod.h>
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55 #endif
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56
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57 #if ORTHANC_ENABLE_LUA == 1
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58 # include "../Lua/LuaFunctionCall.h"
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59 #endif
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60
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61 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG)
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62 # error The macro ORTHANC_ENABLE_DCMTK_JPEG must be defined
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63 #endif
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65 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS)
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66 # error The macro ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS must be defined
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67 #endif
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70 namespace Orthanc
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71 {
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72 class FromDcmtkBridge : public boost::noncopyable
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73 {
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74 #if ORTHANC_BUILD_UNIT_TESTS == 1
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75 FRIEND_TEST(FromDcmtkBridge, FromJson);
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76 #endif
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77
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78 friend class ParsedDicomFile;
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79
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80 private:
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81 FromDcmtkBridge(); // Pure static class
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82
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83 static void ExtractDicomSummary(DicomMap& target,
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84 DcmItem& dataset,
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85 unsigned int maxStringLength,
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86 Encoding defaultEncoding);
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87
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88 static void DatasetToJson(Json::Value& parent,
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89 DcmItem& item,
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90 DicomToJsonFormat format,
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91 DicomToJsonFlags flags,
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92 unsigned int maxStringLength,
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93 Encoding encoding,
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94 const std::set<DicomTag>& ignoreTagLength);
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95
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96 static void ElementToJson(Json::Value& parent,
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97 DcmElement& element,
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98 DicomToJsonFormat format,
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99 DicomToJsonFlags flags,
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100 unsigned int maxStringLength,
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101 Encoding dicomEncoding,
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102 const std::set<DicomTag>& ignoreTagLength);
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103
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104 static void ExtractDicomAsJson(Json::Value& target,
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105 DcmDataset& dataset,
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106 DicomToJsonFormat format,
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107 DicomToJsonFlags flags,
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108 unsigned int maxStringLength,
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109 Encoding defaultEncoding,
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110 const std::set<DicomTag>& ignoreTagLength);
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111
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112 static void ChangeStringEncoding(DcmItem& dataset,
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113 Encoding source,
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114 Encoding target);
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115
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116 public:
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117 static void InitializeDictionary(bool loadPrivateDictionary);
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118
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119 static void RegisterDictionaryTag(const DicomTag& tag,
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120 ValueRepresentation vr,
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121 const std::string& name,
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122 unsigned int minMultiplicity,
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123 unsigned int maxMultiplicity,
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124 const std::string& privateCreator);
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125
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126 static Encoding DetectEncoding(DcmItem& dataset,
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127 Encoding defaultEncoding);
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128
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129 static DicomTag Convert(const DcmTag& tag);
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130
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131 static DicomTag GetTag(const DcmElement& element);
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132
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133 static bool IsUnknownTag(const DicomTag& tag);
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134
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135 static DicomValue* ConvertLeafElement(DcmElement& element,
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136 DicomToJsonFlags flags,
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137 unsigned int maxStringLength,
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138 Encoding encoding,
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139 const std::set<DicomTag>& ignoreTagLength);
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140
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141 static void ExtractHeaderAsJson(Json::Value& target,
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142 DcmMetaInfo& header,
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143 DicomToJsonFormat format,
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144 DicomToJsonFlags flags,
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145 unsigned int maxStringLength);
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146
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147 static std::string GetTagName(const DicomTag& tag,
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148 const std::string& privateCreator);
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149
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150 static std::string GetTagName(const DcmElement& element);
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151
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152 static std::string GetTagName(const DicomElement& element)
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153 {
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154 return GetTagName(element.GetTag(), "");
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155 }
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156
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157 static DicomTag ParseTag(const char* name);
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158
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159 static DicomTag ParseTag(const std::string& name)
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160 {
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161 return ParseTag(name.c_str());
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162 }
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163
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164 static bool HasTag(const DicomMap& fields,
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165 const std::string& tagName)
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166 {
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167 return fields.HasTag(ParseTag(tagName));
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168 }
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169
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170 static const DicomValue& GetValue(const DicomMap& fields,
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171 const std::string& tagName)
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172 {
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173 return fields.GetValue(ParseTag(tagName));
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174 }
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175
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176 static void SetValue(DicomMap& target,
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177 const std::string& tagName,
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178 DicomValue* value)
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179 {
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180 target.SetValue(ParseTag(tagName), value);
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181 }
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182
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183 static void ToJson(Json::Value& result,
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184 const DicomMap& values,
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185 bool simplify);
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186
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187 static std::string GenerateUniqueIdentifier(ResourceType level);
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188
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189 static bool SaveToMemoryBuffer(std::string& buffer,
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190 DcmDataset& dataSet);
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191
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192 static ValueRepresentation Convert(DcmEVR vr);
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193
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194 static ValueRepresentation LookupValueRepresentation(const DicomTag& tag);
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195
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196 static DcmElement* CreateElementForTag(const DicomTag& tag);
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197
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198 static void FillElementWithString(DcmElement& element,
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199 const DicomTag& tag,
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200 const std::string& utf8alue, // Encoded using UTF-8
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201 bool decodeDataUriScheme,
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202 Encoding dicomEncoding);
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203
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204 static DcmElement* FromJson(const DicomTag& tag,
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205 const Json::Value& element, // Encoded using UTF-8
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206 bool decodeDataUriScheme,
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207 Encoding dicomEncoding);
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208
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209 static DcmPixelSequence* GetPixelSequence(DcmDataset& dataset);
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210
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211 static Encoding ExtractEncoding(const Json::Value& json,
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212 Encoding defaultEncoding);
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213
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214 static DcmDataset* FromJson(const Json::Value& json, // Encoded using UTF-8
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215 bool generateIdentifiers,
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216 bool decodeDataUriScheme,
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217 Encoding defaultEncoding);
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218
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219 static DcmFileFormat* LoadFromMemoryBuffer(const void* buffer,
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220 size_t size);
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221
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222 static void FromJson(DicomMap& values,
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223 const Json::Value& result);
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224
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225 static bool LookupTransferSyntax(std::string& result,
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226 DcmFileFormat& dicom);
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227
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228 #if ORTHANC_ENABLE_LUA == 1
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229 static void ExecuteToDicom(DicomMap& target,
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230 LuaFunctionCall& call);
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231 #endif
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232
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233 static void ExtractDicomSummary(DicomMap& target,
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234 DcmItem& dataset);
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235
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236 static void ExtractDicomAsJson(Json::Value& target,
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237 DcmDataset& dataset,
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238 const std::set<DicomTag>& ignoreTagLength);
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239
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240 static void InitializeCodecs();
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241
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242 static void FinalizeCodecs();
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243 };
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244 }