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comparison Framework/Radiography/RadiographySceneReader.cpp @ 430:b85f635f1eb5 am-vsol-upgrade

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added serialization for RadiographyScene
author am@osimis.io
date Thu, 29 Nov 2018 15:11:19 +0100
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children 8f7220433b59
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429:c7fb700a7d12 430:b85f635f1eb5
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "RadiographySceneReader.h"
23
24 #include <Core/Images/FontRegistry.h>
25 #include <Core/Images/PngReader.h>
26 #include <Core/OrthancException.h>
27 #include <Core/Toolbox.h>
28
29 namespace OrthancStone
30 {
31 void RadiographySceneReader::Read(const Json::Value& input)
32 {
33 unsigned int version = input["version"].asUInt();
34
35 if (version != 1)
36 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
37
38 for(size_t layerIndex = 0; layerIndex < input["layers"].size(); layerIndex++)
39 {
40 const Json::Value& jsonLayer = input["layers"][(int)layerIndex];
41 RadiographyLayer::Geometry geometry;
42
43 if (jsonLayer["type"].asString() == "dicom")
44 {
45 ReadLayerGeometry(geometry, jsonLayer);
46 scene_.LoadDicomFrame(orthancApiClient_, jsonLayer["instanceId"].asString(), jsonLayer["frame"].asUInt(), true, &geometry);
47 }
48 else if (jsonLayer["type"].asString() == "text")
49 {
50 if (fontRegistry_ == NULL || fontRegistry_->GetSize() == 0)
51 {
52 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); // you must provide a FontRegistry if you need to re-create text layers.
53 }
54
55 ReadLayerGeometry(geometry, jsonLayer);
56 const Orthanc::Font* font = fontRegistry_->FindFont(jsonLayer["fontName"].asString());
57 if (font == NULL) // if not found, take the first font in the registry
58 {
59 font = &(fontRegistry_->GetFont(0));
60 }
61 scene_.LoadText(*font, jsonLayer["text"].asString(), &geometry);
62 }
63 else if (jsonLayer["type"].asString() == "alpha")
64 {
65 ReadLayerGeometry(geometry, jsonLayer);
66
67 const std::string& pngContentBase64 = jsonLayer["content"].asString();
68 std::string pngContent;
69 std::string mimeType;
70 Orthanc::Toolbox::DecodeDataUriScheme(mimeType, pngContent, pngContentBase64);
71
72 std::auto_ptr<Orthanc::ImageAccessor> image;
73 if (mimeType == "image/png")
74 {
75 image.reset(new Orthanc::PngReader());
76 dynamic_cast<Orthanc::PngReader*>(image.get())->ReadFromMemory(pngContent);
77 }
78 else
79 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
80
81 RadiographyAlphaLayer& layer = dynamic_cast<RadiographyAlphaLayer&>(scene_.LoadAlphaBitmap(image.release(), &geometry));
82
83 if (!jsonLayer["isUsingWindowing"].asBool())
84 {
85 layer.SetForegroundValue((float)(jsonLayer["foreground"].asDouble()));
86 }
87 }
88 else
89 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
90 }
91 }
92
93 void RadiographySceneReader::ReadLayerGeometry(RadiographyLayer::Geometry& geometry, const Json::Value& jsonLayer)
94 {
95 {// crop
96 unsigned int x, y, width, height;
97 if (jsonLayer["crop"]["hasCrop"].asBool())
98 {
99 x = jsonLayer["crop"]["x"].asUInt();
100 y = jsonLayer["crop"]["y"].asUInt();
101 width = jsonLayer["crop"]["width"].asUInt();
102 height = jsonLayer["crop"]["height"].asUInt();
103 geometry.SetCrop(x, y, width, height);
104 }
105 }
106
107 geometry.SetAngle(jsonLayer["angle"].asDouble());
108 geometry.SetResizeable(jsonLayer["isResizable"].asBool());
109 geometry.SetPan(jsonLayer["pan"]["x"].asDouble(), jsonLayer["pan"]["y"].asDouble());
110 geometry.SetPixelSpacing(jsonLayer["pixelSpacing"]["x"].asDouble(), jsonLayer["pixelSpacing"]["y"].asDouble());
111 }
112 }