Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographySceneReader.cpp @ 1313:f30905f5d246 broker

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Added support for OnGenericSdlEvent to GuiAdapter. This makes it possible to piggyback app-specific logic to special events (here, to support the Viewport refresh events)
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 16 Mar 2020 11:12:39 +0100
parents 257f2c9a02ac
children
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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 Affero 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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "RadiographySceneReader.h"
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23
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24 #include "../Deprecated/Toolbox/DicomFrameConverter.h"
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25
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26 #include <Core/Images/FontRegistry.h>
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27 #include <Core/Images/PngReader.h>
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28 #include <Core/OrthancException.h>
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29 #include <Core/Toolbox.h>
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30
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31 namespace OrthancStone
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32 {
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33
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34 void RadiographySceneBuilder::Read(const Json::Value& input, Orthanc::ImageAccessor* dicomImage /* takes ownership */,
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35 Deprecated::DicomFrameConverter* dicomFrameConverter /* takes ownership */,
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36 RadiographyPhotometricDisplayMode preferredPhotometricDisplayMode
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37 )
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38 {
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39 dicomImage_.reset(dicomImage);
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40 dicomFrameConverter_.reset(dicomFrameConverter);
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41 preferredPhotometricDisplayMode_ = preferredPhotometricDisplayMode;
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42 Read(input);
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43 }
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44
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45 RadiographyDicomLayer* RadiographySceneBuilder::LoadDicom(const std::string& instanceId, unsigned int frame, RadiographyLayer::Geometry* geometry)
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46 {
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47 return dynamic_cast<RadiographyDicomLayer*>(&(scene_.LoadDicomImage(dicomImage_.release(), instanceId, frame, dicomFrameConverter_.release(), preferredPhotometricDisplayMode_, geometry)));
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48 }
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49
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51 RadiographyDicomLayer* RadiographySceneReader::LoadDicom(const std::string& instanceId, unsigned int frame, RadiographyLayer::Geometry* geometry)
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52 {
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53 return dynamic_cast<RadiographyDicomLayer*>(&(scene_.LoadDicomFrame(orthancApiClient_, instanceId, frame, false, geometry)));
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54 }
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55
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56 RadiographyDicomLayer* RadiographySceneGeometryReader::LoadDicom(const std::string& instanceId, unsigned int frame, RadiographyLayer::Geometry* geometry)
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57 {
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58 std::unique_ptr<RadiographyPlaceholderLayer> layer(new RadiographyPlaceholderLayer(scene_));
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59 layer->SetGeometry(*geometry);
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60 layer->SetSize(dicomImageWidth_, dicomImageHeight_);
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61 scene_.RegisterLayer(layer.get());
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62
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63 return layer.release();
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64 }
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65
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66 void RadiographySceneBuilder::Read(const Json::Value& input)
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67 {
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68 unsigned int version = input["version"].asUInt();
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69
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70 if (version != 1)
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71 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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72
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73 if (input.isMember("hasWindowing") && input["hasWindowing"].asBool())
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74 {
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75 scene_.SetWindowing(input["windowCenter"].asFloat(), input["windowWidth"].asFloat());
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76 }
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77
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78 RadiographyDicomLayer* dicomLayer = NULL;
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79 for(size_t layerIndex = 0; layerIndex < input["layers"].size(); layerIndex++)
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80 {
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81 const Json::Value& jsonLayer = input["layers"][(int)layerIndex];
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82 RadiographyLayer::Geometry geometry;
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83
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84 if (jsonLayer["type"].asString() == "dicom")
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85 {
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86 ReadLayerGeometry(geometry, jsonLayer);
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87 dicomLayer = LoadDicom(jsonLayer["instanceId"].asString(), jsonLayer["frame"].asUInt(), &geometry);
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88 }
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89 else if (jsonLayer["type"].asString() == "mask")
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90 {
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91 if (dicomLayer == NULL)
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92 {
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93 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); // we always assumed the dicom layer was read before the mask
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94 }
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95 ReadLayerGeometry(geometry, jsonLayer);
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96
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97 float foreground = jsonLayer["foreground"].asFloat();
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98 std::vector<Orthanc::ImageProcessing::ImagePoint> corners;
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99 for (size_t i = 0; i < jsonLayer["corners"].size(); i++)
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100 {
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101 Orthanc::ImageProcessing::ImagePoint corner(jsonLayer["corners"][(int)i]["x"].asInt(),
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102 jsonLayer["corners"][(int)i]["y"].asInt());
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103 corners.push_back(corner);
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104 }
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105
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106 scene_.LoadMask(corners, *dicomLayer, foreground, &geometry);
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107 }
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108 else if (jsonLayer["type"].asString() == "text")
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109 {
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110 ReadLayerGeometry(geometry, jsonLayer);
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111 scene_.LoadText(jsonLayer["text"].asString(), jsonLayer["font"].asString(), jsonLayer["fontSize"].asUInt(), static_cast<uint8_t>(jsonLayer["foreground"].asUInt()), &geometry, false);
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112 }
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113 else if (jsonLayer["type"].asString() == "alpha")
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114 {
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115 ReadLayerGeometry(geometry, jsonLayer);
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116
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117 const std::string& pngContentBase64 = jsonLayer["content"].asString();
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118 std::string pngContent;
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119 std::string mimeType;
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120 Orthanc::Toolbox::DecodeDataUriScheme(mimeType, pngContent, pngContentBase64);
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121
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122 std::unique_ptr<Orthanc::ImageAccessor> image;
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123 if (mimeType == "image/png")
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124 {
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125 image.reset(new Orthanc::PngReader());
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126 dynamic_cast<Orthanc::PngReader*>(image.get())->ReadFromMemory(pngContent);
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127 }
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128 else
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129 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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130
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131 RadiographyAlphaLayer& layer = dynamic_cast<RadiographyAlphaLayer&>(scene_.LoadAlphaBitmap(image.release(), &geometry));
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132
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133 if (!jsonLayer["isUsingWindowing"].asBool())
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134 {
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135 layer.SetForegroundValue((float)(jsonLayer["foreground"].asDouble()));
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136 }
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137 }
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138 else
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139 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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140 }
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141 }
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142
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143
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144
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145
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146 void RadiographySceneBuilder::ReadDicomLayerGeometry(RadiographyLayer::Geometry& geometry, const Json::Value& input)
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147 {
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148 for(size_t layerIndex = 0; layerIndex < input["layers"].size(); layerIndex++)
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149 {
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150 const Json::Value& jsonLayer = input["layers"][(int)layerIndex];
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151 if (jsonLayer["type"].asString() == "dicom")
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152 {
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153 ReadLayerGeometry(geometry, jsonLayer);
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154 return;
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155 }
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156 }
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157 }
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158
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159 void RadiographySceneBuilder::ReadLayerGeometry(RadiographyLayer::Geometry& geometry, const Json::Value& jsonLayer)
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160 {
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161 {// crop
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162 unsigned int x, y, width, height;
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163 if (jsonLayer["crop"]["hasCrop"].asBool())
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164 {
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165 x = jsonLayer["crop"]["x"].asUInt();
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166 y = jsonLayer["crop"]["y"].asUInt();
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167 width = jsonLayer["crop"]["width"].asUInt();
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168 height = jsonLayer["crop"]["height"].asUInt();
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169 geometry.SetCrop(x, y, width, height);
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170 }
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171 }
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172
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173 geometry.SetAngle(jsonLayer["angle"].asDouble());
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174 geometry.SetResizeable(jsonLayer["isResizable"].asBool());
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175 geometry.SetPan(jsonLayer["pan"]["x"].asDouble(), jsonLayer["pan"]["y"].asDouble());
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176 geometry.SetPixelSpacing(jsonLayer["pixelSpacing"]["x"].asDouble(), jsonLayer["pixelSpacing"]["y"].asDouble());
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177
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178 // these fields were introduced later -> they might not exist
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179 if (jsonLayer.isMember("flipVertical"))
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180 {
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181 geometry.SetFlipVertical(jsonLayer["flipVertical"].asBool());
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182 }
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183 if (jsonLayer.isMember("flipHorizontal"))
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184 {
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185 geometry.SetFlipHorizontal(jsonLayer["flipHorizontal"].asBool());
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186 }
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187
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188 }
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189 }