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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 <Core/Images/FontRegistry.h>
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25 #include <Core/Images/PngReader.h>
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26 #include <Core/OrthancException.h>
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27 #include <Core/Toolbox.h>
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28
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29 namespace OrthancStone
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30 {
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31 void RadiographySceneReader::Read(const Json::Value& input)
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32 {
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33 unsigned int version = input["version"].asUInt();
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34
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35 if (version != 1)
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36 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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37
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38 for(size_t layerIndex = 0; layerIndex < input["layers"].size(); layerIndex++)
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39 {
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40 const Json::Value& jsonLayer = input["layers"][(int)layerIndex];
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41 RadiographyLayer::Geometry geometry;
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42
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43 if (jsonLayer["type"].asString() == "dicom")
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44 {
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45 ReadLayerGeometry(geometry, jsonLayer);
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437
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46 scene_.LoadDicomFrame(orthancApiClient_, jsonLayer["instanceId"].asString(), jsonLayer["frame"].asUInt(), false, &geometry);
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430
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47 }
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48 else if (jsonLayer["type"].asString() == "text")
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49 {
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50 if (fontRegistry_ == NULL || fontRegistry_->GetSize() == 0)
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51 {
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52 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); // you must provide a FontRegistry if you need to re-create text layers.
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53 }
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54
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55 ReadLayerGeometry(geometry, jsonLayer);
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56 const Orthanc::Font* font = fontRegistry_->FindFont(jsonLayer["fontName"].asString());
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57 if (font == NULL) // if not found, take the first font in the registry
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58 {
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59 font = &(fontRegistry_->GetFont(0));
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60 }
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61 scene_.LoadText(*font, jsonLayer["text"].asString(), &geometry);
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62 }
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63 else if (jsonLayer["type"].asString() == "alpha")
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64 {
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65 ReadLayerGeometry(geometry, jsonLayer);
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66
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67 const std::string& pngContentBase64 = jsonLayer["content"].asString();
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68 std::string pngContent;
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69 std::string mimeType;
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70 Orthanc::Toolbox::DecodeDataUriScheme(mimeType, pngContent, pngContentBase64);
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71
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72 std::auto_ptr<Orthanc::ImageAccessor> image;
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73 if (mimeType == "image/png")
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74 {
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75 image.reset(new Orthanc::PngReader());
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76 dynamic_cast<Orthanc::PngReader*>(image.get())->ReadFromMemory(pngContent);
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77 }
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78 else
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79 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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80
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81 RadiographyAlphaLayer& layer = dynamic_cast<RadiographyAlphaLayer&>(scene_.LoadAlphaBitmap(image.release(), &geometry));
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82
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83 if (!jsonLayer["isUsingWindowing"].asBool())
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84 {
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85 layer.SetForegroundValue((float)(jsonLayer["foreground"].asDouble()));
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86 }
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87 }
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88 else
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89 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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90 }
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91 }
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92
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93 void RadiographySceneReader::ReadLayerGeometry(RadiographyLayer::Geometry& geometry, const Json::Value& jsonLayer)
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94 {
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95 {// crop
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96 unsigned int x, y, width, height;
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97 if (jsonLayer["crop"]["hasCrop"].asBool())
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98 {
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99 x = jsonLayer["crop"]["x"].asUInt();
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100 y = jsonLayer["crop"]["y"].asUInt();
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101 width = jsonLayer["crop"]["width"].asUInt();
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102 height = jsonLayer["crop"]["height"].asUInt();
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103 geometry.SetCrop(x, y, width, height);
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104 }
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105 }
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106
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107 geometry.SetAngle(jsonLayer["angle"].asDouble());
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108 geometry.SetResizeable(jsonLayer["isResizable"].asBool());
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109 geometry.SetPan(jsonLayer["pan"]["x"].asDouble(), jsonLayer["pan"]["y"].asDouble());
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110 geometry.SetPixelSpacing(jsonLayer["pixelSpacing"]["x"].asDouble(), jsonLayer["pixelSpacing"]["y"].asDouble());
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111 }
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112 }
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