Mercurial > hg > orthanc-stone

annotate Framework/Radiography/RadiographySceneReader.cpp @ 884:aad5ccf1be10 am-dev

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cleanup
author Alain Mazy <alain@mazy.be>
date Tue, 09 Jul 2019 14:43:00 +0200
parents 238693c3bc51
children 1e80a925323a
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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) 2017-2018 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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50
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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 void RadiographySceneBuilder::Read(const Json::Value& input)
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57 {
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58 unsigned int version = input["version"].asUInt();
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59
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60 if (version != 1)
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61 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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62
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63 if (input.isMember("hasWindowing") && input["hasWindowing"].asBool())
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64 {
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65 scene_.SetWindowing(input["windowCenter"].asFloat(), input["windowWidth"].asFloat());
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66 }
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67
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68 RadiographyDicomLayer* dicomLayer = NULL;
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69 for(size_t layerIndex = 0; layerIndex < input["layers"].size(); layerIndex++)
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70 {
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71 const Json::Value& jsonLayer = input["layers"][(int)layerIndex];
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72 RadiographyLayer::Geometry geometry;
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73
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74 if (jsonLayer["type"].asString() == "dicom")
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75 {
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76 ReadLayerGeometry(geometry, jsonLayer);
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77 dicomLayer = LoadDicom(jsonLayer["instanceId"].asString(), jsonLayer["frame"].asUInt(), &geometry);
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78 }
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79 else if (jsonLayer["type"].asString() == "mask")
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80 {
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81 if (dicomLayer == NULL)
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82 {
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83 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); // we always assumed the dicom layer was read before the mask
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84 }
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85 ReadLayerGeometry(geometry, jsonLayer);
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86
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87 float foreground = jsonLayer["foreground"].asFloat();
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88 std::vector<Orthanc::ImageProcessing::ImagePoint> corners;
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89 for (size_t i = 0; i < jsonLayer["corners"].size(); i++)
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90 {
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91 Orthanc::ImageProcessing::ImagePoint corner(jsonLayer["corners"][(int)i]["x"].asInt(),
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92 jsonLayer["corners"][(int)i]["y"].asInt());
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93 corners.push_back(corner);
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94 }
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95
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96 scene_.LoadMask(corners, *dicomLayer, foreground, &geometry);
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97 }
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98 else if (jsonLayer["type"].asString() == "text")
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99 {
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100 if (fontRegistry_ == NULL || fontRegistry_->GetSize() == 0)
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101 {
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102 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); // you must provide a FontRegistry if you need to re-create text layers.
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103 }
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104
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105 ReadLayerGeometry(geometry, jsonLayer);
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106 const Orthanc::Font* font = fontRegistry_->FindFont(jsonLayer["fontName"].asString());
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107 if (font == NULL) // if not found, take the first font in the registry
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108 {
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109 font = &(fontRegistry_->GetFont(0));
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110 }
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111 scene_.LoadText(*font, jsonLayer["text"].asString(), &geometry);
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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::auto_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 void RadiographySceneReader::Read(const Json::Value& input)
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145 {
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146 unsigned int version = input["version"].asUInt();
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147
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148 if (version != 1)
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149 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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150
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151 if (input.isMember("hasWindowing") && input["hasWindowing"].asBool())
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152 {
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153 scene_.SetWindowing(input["windowCenter"].asFloat(), input["windowWidth"].asFloat());
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154 }
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155
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156 RadiographyDicomLayer* dicomLayer = NULL;
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157 for(size_t layerIndex = 0; layerIndex < input["layers"].size(); layerIndex++)
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158 {
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159 const Json::Value& jsonLayer = input["layers"][(int)layerIndex];
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160 RadiographyLayer::Geometry geometry;
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161
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162 if (jsonLayer["type"].asString() == "dicom")
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163 {
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164 ReadLayerGeometry(geometry, jsonLayer);
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165 dicomLayer = dynamic_cast<RadiographyDicomLayer*>(&(scene_.LoadDicomFrame(orthancApiClient_, jsonLayer["instanceId"].asString(), jsonLayer["frame"].asUInt(), false, &geometry)));
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166 }
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167 else if (jsonLayer["type"].asString() == "mask")
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168 {
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169 if (dicomLayer == NULL)
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170 {
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171 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); // we always assumed the dicom layer was read before the mask
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172 }
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173 ReadLayerGeometry(geometry, jsonLayer);
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174
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175 float foreground = jsonLayer["foreground"].asFloat();
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176 std::vector<Orthanc::ImageProcessing::ImagePoint> corners;
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177 for (size_t i = 0; i < jsonLayer["corners"].size(); i++)
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178 {
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179 Orthanc::ImageProcessing::ImagePoint corner(jsonLayer["corners"][(int)i]["x"].asInt(),
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180 jsonLayer["corners"][(int)i]["y"].asInt());
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181 corners.push_back(corner);
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182 }
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183
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184 scene_.LoadMask(corners, *dicomLayer, foreground, &geometry);
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185 }
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186 else if (jsonLayer["type"].asString() == "text")
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187 {
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188 if (fontRegistry_ == NULL || fontRegistry_->GetSize() == 0)
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189 {
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190 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); // you must provide a FontRegistry if you need to re-create text layers.
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191 }
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192
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193 ReadLayerGeometry(geometry, jsonLayer);
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194 const Orthanc::Font* font = fontRegistry_->FindFont(jsonLayer["fontName"].asString());
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195 if (font == NULL) // if not found, take the first font in the registry
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196 {
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197 font = &(fontRegistry_->GetFont(0));
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198 }
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199 scene_.LoadText(*font, jsonLayer["text"].asString(), &geometry);
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200 }
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201 else if (jsonLayer["type"].asString() == "alpha")
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202 {
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203 ReadLayerGeometry(geometry, jsonLayer);
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204
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205 const std::string& pngContentBase64 = jsonLayer["content"].asString();
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206 std::string pngContent;
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207 std::string mimeType;
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208 Orthanc::Toolbox::DecodeDataUriScheme(mimeType, pngContent, pngContentBase64);
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209
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210 std::auto_ptr<Orthanc::ImageAccessor> image;
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211 if (mimeType == "image/png")
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212 {
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213 image.reset(new Orthanc::PngReader());
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214 dynamic_cast<Orthanc::PngReader*>(image.get())->ReadFromMemory(pngContent);
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215 }
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216 else
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217 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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218
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219 RadiographyAlphaLayer& layer = dynamic_cast<RadiographyAlphaLayer&>(scene_.LoadAlphaBitmap(image.release(), &geometry));
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220
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221 if (!jsonLayer["isUsingWindowing"].asBool())
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222 {
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223 layer.SetForegroundValue((float)(jsonLayer["foreground"].asDouble()));
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224 }
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225 }
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226 else
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227 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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228 }
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229 }
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230
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231 void RadiographySceneBuilder::ReadLayerGeometry(RadiographyLayer::Geometry& geometry, const Json::Value& jsonLayer)
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232 {
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233 {// crop
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234 unsigned int x, y, width, height;
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235 if (jsonLayer["crop"]["hasCrop"].asBool())
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236 {
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237 x = jsonLayer["crop"]["x"].asUInt();
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238 y = jsonLayer["crop"]["y"].asUInt();
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239 width = jsonLayer["crop"]["width"].asUInt();
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240 height = jsonLayer["crop"]["height"].asUInt();
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241 geometry.SetCrop(x, y, width, height);
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242 }
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243 }
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244
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245 geometry.SetAngle(jsonLayer["angle"].asDouble());
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246 geometry.SetResizeable(jsonLayer["isResizable"].asBool());
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247 geometry.SetPan(jsonLayer["pan"]["x"].asDouble(), jsonLayer["pan"]["y"].asDouble());
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248 geometry.SetPixelSpacing(jsonLayer["pixelSpacing"]["x"].asDouble(), jsonLayer["pixelSpacing"]["y"].asDouble());
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249
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250 // these fields were introduced later -> they might not exist
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251 if (jsonLayer.isMember("flipVertical"))
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252 {
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253 geometry.SetFlipVertical(jsonLayer["flipVertical"].asBool());
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254 }
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255 if (jsonLayer.isMember("flipHorizontal"))
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256 {
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257 geometry.SetFlipHorizontal(jsonLayer["flipHorizontal"].asBool());
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258 }
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259
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260 }
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261 }