Mercurial > hg > orthanc-stone
annotate RenderingPlugin/Sources/Plugin.cpp @ 1883:fba6e550e0ee
apply rescale slope/intercept in rendering plugin
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 12 Jan 2022 18:26:05 +0100 |
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children | 0c6923982fdd |
rev | line source |
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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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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8 * This program is free software: you can redistribute it and/or |
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9 * modify it under the terms of the GNU General Public License as |
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10 * published by the Free Software Foundation, either version 3 of the |
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11 * License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU General Public License |
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19 * along with this program. If not, see <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 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" |
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24 |
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25 #include "../../OrthancStone/Sources/Toolbox/AffineTransform2D.h" |
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26 #include "../../OrthancStone/Sources/Toolbox/DicomInstanceParameters.h" |
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27 |
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28 #include <EmbeddedResources.h> |
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29 |
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30 #include <Images/Image.h> |
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31 #include <Images/ImageProcessing.h> |
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32 #include <Images/NumpyWriter.h> |
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33 #include <Logging.h> |
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34 |
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35 #include <boost/math/constants/constants.hpp> |
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36 |
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37 |
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38 static Orthanc::PixelFormat Convert(OrthancPluginPixelFormat format) |
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39 { |
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40 switch (format) |
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41 { |
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42 case OrthancPluginPixelFormat_RGB24: |
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43 return Orthanc::PixelFormat_RGB24; |
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44 |
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45 case OrthancPluginPixelFormat_Grayscale8: |
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46 return Orthanc::PixelFormat_Grayscale8; |
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47 |
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48 case OrthancPluginPixelFormat_Grayscale16: |
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49 return Orthanc::PixelFormat_Grayscale16; |
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50 |
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51 case OrthancPluginPixelFormat_SignedGrayscale16: |
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52 return Orthanc::PixelFormat_SignedGrayscale16; |
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53 |
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54 default: |
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55 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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56 } |
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57 } |
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58 |
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59 |
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60 static void RenderNumpyFrame(OrthancPluginRestOutput* output, |
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61 const char* url, |
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62 const OrthancPluginHttpRequest* request) |
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63 { |
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64 // TODO: Parameters in GET |
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65 |
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66 OrthancPlugins::MemoryBuffer tags; |
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67 if (!tags.RestApiGet("/instances/" + std::string(request->groups[0]) + "/tags", false)) |
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68 { |
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69 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem); |
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70 } |
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71 |
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72 Json::Value json; |
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73 tags.ToJson(json); |
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74 |
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75 Orthanc::DicomMap m; |
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76 m.FromDicomAsJson(json); |
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78 OrthancStone::DicomInstanceParameters parameters(m); |
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79 |
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80 OrthancPlugins::MemoryBuffer dicom; |
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81 dicom.GetDicomInstance(request->groups[0]); |
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82 |
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83 unsigned int frame = boost::lexical_cast<unsigned int>(request->groups[1]); |
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84 |
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85 OrthancPlugins::OrthancImage image; |
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86 image.DecodeDicomImage(dicom.GetData(), dicom.GetSize(), frame); |
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87 |
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88 Orthanc::ImageAccessor source; |
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89 source.AssignReadOnly(Convert(image.GetPixelFormat()), image.GetWidth(), image.GetHeight(), |
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90 image.GetPitch(), image.GetBuffer()); |
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91 |
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92 double angle = 0; |
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93 double scaling = 1; |
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94 double offsetX = 0; |
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95 double offsetY = 0; |
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96 bool flipX = false; |
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97 bool flipY = false; |
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98 |
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99 OrthancStone::AffineTransform2D t; |
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100 t = OrthancStone::AffineTransform2D::Combine( |
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101 OrthancStone::AffineTransform2D::CreateOffset(static_cast<double>(image.GetWidth()) / 2.0 + offsetX, |
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102 static_cast<double>(image.GetHeight()) / 2.0 + offsetY), |
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103 OrthancStone::AffineTransform2D::CreateScaling(scaling, scaling), |
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104 OrthancStone::AffineTransform2D::CreateRotation(angle / 180.0 * boost::math::constants::pi<double>()), |
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105 OrthancStone::AffineTransform2D::CreateOffset(-static_cast<double>(image.GetWidth()) / 2.0, |
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106 -static_cast<double>(image.GetHeight()) / 2.0), |
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107 OrthancStone::AffineTransform2D::CreateFlip(flipX, flipY, image.GetWidth(), image.GetHeight())); |
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108 |
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109 std::unique_ptr<Orthanc::ImageAccessor> modified; |
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110 |
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111 if (source.GetFormat() == Orthanc::PixelFormat_RGB24) |
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112 { |
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113 LOG(WARNING) << "Bilinear interpolation for color images is not implemented yet"; |
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114 |
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115 modified.reset(new Orthanc::Image(source.GetFormat(), source.GetWidth(), source.GetHeight(), false)); |
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116 t.Apply(*modified, source, OrthancStone::ImageInterpolation_Nearest, true); |
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117 } |
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118 else |
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119 { |
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120 std::unique_ptr<Orthanc::ImageAccessor> converted(parameters.ConvertToFloat(source)); |
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121 |
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122 assert(converted.get() != NULL); |
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123 modified.reset(new Orthanc::Image(converted->GetFormat(), converted->GetWidth(), converted->GetHeight(), false)); |
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124 t.Apply(*modified, *converted, OrthancStone::ImageInterpolation_Bilinear, true); |
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125 } |
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126 |
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127 assert(modified.get() != NULL); |
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128 |
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129 std::string answer; |
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130 Orthanc::NumpyWriter writer; |
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131 Orthanc::IImageWriter::WriteToMemory(writer, answer, *modified); |
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132 |
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133 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, |
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134 answer.c_str(), answer.size(), "text/plain"); |
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135 } |
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136 |
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137 |
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138 extern "C" |
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139 { |
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140 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) |
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141 { |
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142 OrthancPlugins::SetGlobalContext(context); |
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143 |
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144 #if ORTHANC_FRAMEWORK_VERSION_IS_ABOVE(1, 7, 2) |
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145 Orthanc::Logging::InitializePluginContext(context); |
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146 #else |
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147 Orthanc::Logging::Initialize(context); |
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148 #endif |
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149 |
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150 /* Check the version of the Orthanc core */ |
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151 if (OrthancPluginCheckVersion(context) == 0) |
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152 { |
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153 char info[1024]; |
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154 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", |
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155 context->orthancVersion, |
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156 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, |
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157 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, |
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158 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); |
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159 OrthancPluginLogError(context, info); |
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160 return -1; |
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161 } |
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162 |
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163 try |
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164 { |
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165 OrthancPlugins::RegisterRestCallback<RenderNumpyFrame>("/stone/instances/([^/]+)/frames/([0-9]+)/numpy", true); |
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166 } |
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167 catch (...) |
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168 { |
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169 OrthancPlugins::LogError("Exception while initializing the Stone Web viewer plugin"); |
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170 return -1; |
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171 } |
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172 |
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173 return 0; |
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174 } |
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175 |
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176 |
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177 ORTHANC_PLUGINS_API void OrthancPluginFinalize() |
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178 { |
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179 } |
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180 |
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181 |
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182 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() |
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183 { |
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184 return PLUGIN_NAME; |
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185 } |
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186 |
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187 |
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188 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() |
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189 { |
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190 return PLUGIN_VERSION; |
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191 } |
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192 } |