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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include "ServerEnumerations.h"
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36
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37 #include "../Core/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 namespace Orthanc
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46 {
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47 class FromDcmtkBridge
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48 {
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49 public:
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50 static void InitializeDictionary();
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51
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52 static void RegisterDictionaryTag(const DicomTag& tag,
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53 ValueRepresentation vr,
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54 const std::string& name,
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55 unsigned int minMultiplicity,
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56 unsigned int maxMultiplicity);
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57
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58 static Encoding DetectEncoding(DcmItem& dataset,
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59 Encoding defaultEncoding);
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60
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61 static void Convert(DicomMap& target,
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62 DcmItem& dataset,
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63 unsigned int maxStringLength,
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64 Encoding defaultEncoding);
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65
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66 static DicomTag Convert(const DcmTag& tag);
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67
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68 static DicomTag GetTag(const DcmElement& element);
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69
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70 static bool IsUnknownTag(const DicomTag& tag);
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71
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72 static DicomValue* ConvertLeafElement(DcmElement& element,
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73 DicomToJsonFlags flags,
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74 unsigned int maxStringLength,
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75 Encoding encoding);
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76
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77 static void ToJson(Json::Value& parent,
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78 DcmElement& element,
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79 DicomToJsonFormat format,
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80 DicomToJsonFlags flags,
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81 unsigned int maxStringLength,
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82 Encoding dicomEncoding);
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83
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84 static void ToJson(Json::Value& target,
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85 DcmDataset& dataset,
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86 DicomToJsonFormat format,
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87 DicomToJsonFlags flags,
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88 unsigned int maxStringLength,
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89 Encoding defaultEncoding);
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90
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91 static void ToJson(Json::Value& target,
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92 DcmMetaInfo& header,
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93 DicomToJsonFormat format,
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94 DicomToJsonFlags flags,
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95 unsigned int maxStringLength);
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96
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97 static std::string GetName(const DicomTag& tag);
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98
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99 static DicomTag ParseTag(const char* name);
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100
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101 static DicomTag ParseTag(const std::string& name)
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102 {
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103 return ParseTag(name.c_str());
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104 }
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105
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106 static bool HasTag(const DicomMap& fields,
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107 const std::string& tagName)
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108 {
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109 return fields.HasTag(ParseTag(tagName));
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110 }
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111
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112 static const DicomValue& GetValue(const DicomMap& fields,
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113 const std::string& tagName)
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114 {
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115 return fields.GetValue(ParseTag(tagName));
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116 }
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117
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118 static void SetValue(DicomMap& target,
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119 const std::string& tagName,
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120 DicomValue* value)
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121 {
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122 target.SetValue(ParseTag(tagName), value);
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123 }
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124
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125 static void ToJson(Json::Value& result,
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126 const DicomMap& values,
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127 bool simplify);
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128
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129 static std::string GenerateUniqueIdentifier(ResourceType level);
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130
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131 static bool SaveToMemoryBuffer(std::string& buffer,
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132 DcmDataset& dataSet);
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133
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134 static ValueRepresentation Convert(DcmEVR vr);
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135
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136 static ValueRepresentation LookupValueRepresentation(const DicomTag& tag);
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137
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138 static DcmElement* CreateElementForTag(const DicomTag& tag);
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139
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140 static void FillElementWithString(DcmElement& element,
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141 const DicomTag& tag,
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142 const std::string& utf8alue, // Encoded using UTF-8
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143 bool decodeDataUriScheme,
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144 Encoding dicomEncoding);
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145
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146 static DcmElement* FromJson(const DicomTag& tag,
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147 const Json::Value& element, // Encoded using UTF-8
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148 bool decodeDataUriScheme,
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149 Encoding dicomEncoding);
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150
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151 static DcmPixelSequence* GetPixelSequence(DcmDataset& dataset);
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152
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153 static Encoding ExtractEncoding(const Json::Value& json,
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154 Encoding defaultEncoding);
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155
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156 static DcmDataset* FromJson(const Json::Value& json, // Encoded using UTF-8
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157 bool generateIdentifiers,
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158 bool decodeDataUriScheme,
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159 Encoding defaultEncoding);
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160
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161 static DcmFileFormat* LoadFromMemoryBuffer(const void* buffer,
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162 size_t size);
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163
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164 static void FromJson(DicomMap& values,
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165 const Json::Value& result);
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166 };
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167 }
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