Mercurial > hg > orthanc-stone
comparison Framework/Radiography/RadiographyDicomLayer.cpp @ 430:b85f635f1eb5 am-vsol-upgrade
added serialization for RadiographyScene
author | am@osimis.io |
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date | Thu, 29 Nov 2018 15:11:19 +0100 |
parents | |
children | 4eb96c6b4e96 |
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429:c7fb700a7d12 | 430:b85f635f1eb5 |
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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 "RadiographyDicomLayer.h" | |
23 | |
24 #include "RadiographyScene.h" | |
25 #include "../Toolbox/DicomFrameConverter.h" | |
26 | |
27 #include <Core/OrthancException.h> | |
28 #include <Core/Images/Image.h> | |
29 #include <Core/Images/ImageProcessing.h> | |
30 #include <Plugins/Samples/Common/DicomDatasetReader.h> | |
31 | |
32 static OrthancPlugins::DicomTag ConvertTag(const Orthanc::DicomTag& tag) | |
33 { | |
34 return OrthancPlugins::DicomTag(tag.GetGroup(), tag.GetElement()); | |
35 } | |
36 | |
37 namespace OrthancStone | |
38 { | |
39 | |
40 void RadiographyDicomLayer::ApplyConverter() | |
41 { | |
42 if (source_.get() != NULL && | |
43 converter_.get() != NULL) | |
44 { | |
45 converted_.reset(converter_->ConvertFrame(*source_)); | |
46 } | |
47 } | |
48 | |
49 | |
50 void RadiographyDicomLayer::SetDicomTags(const OrthancPlugins::FullOrthancDataset& dataset) | |
51 { | |
52 converter_.reset(new DicomFrameConverter); | |
53 converter_->ReadParameters(dataset); | |
54 ApplyConverter(); | |
55 | |
56 std::string tmp; | |
57 Vector pixelSpacing; | |
58 | |
59 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PIXEL_SPACING)) && | |
60 LinearAlgebra::ParseVector(pixelSpacing, tmp) && | |
61 pixelSpacing.size() == 2) | |
62 { | |
63 SetPixelSpacing(pixelSpacing[0], pixelSpacing[1]); | |
64 } | |
65 | |
66 //SetPan(-0.5 * GetPixelSpacingX(), -0.5 * GetPixelSpacingY()); | |
67 | |
68 OrthancPlugins::DicomDatasetReader reader(dataset); | |
69 | |
70 unsigned int width, height; | |
71 if (!reader.GetUnsignedIntegerValue(width, ConvertTag(Orthanc::DICOM_TAG_COLUMNS)) || | |
72 !reader.GetUnsignedIntegerValue(height, ConvertTag(Orthanc::DICOM_TAG_ROWS))) | |
73 { | |
74 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
75 } | |
76 else | |
77 { | |
78 SetSize(width, height); | |
79 } | |
80 } | |
81 | |
82 void RadiographyDicomLayer::SetSourceImage(Orthanc::ImageAccessor* image) // Takes ownership | |
83 { | |
84 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
85 | |
86 if (image == NULL) | |
87 { | |
88 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
89 } | |
90 | |
91 SetSize(image->GetWidth(), image->GetHeight()); | |
92 | |
93 source_ = raii; | |
94 ApplyConverter(); | |
95 } | |
96 | |
97 void RadiographyDicomLayer::Render(Orthanc::ImageAccessor& buffer, | |
98 const AffineTransform2D& viewTransform, | |
99 ImageInterpolation interpolation) const | |
100 { | |
101 if (converted_.get() != NULL) | |
102 { | |
103 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
104 { | |
105 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
106 } | |
107 | |
108 unsigned int cropX, cropY, cropWidth, cropHeight; | |
109 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
110 | |
111 AffineTransform2D t = AffineTransform2D::Combine( | |
112 viewTransform, GetTransform(), | |
113 AffineTransform2D::CreateOffset(cropX, cropY)); | |
114 | |
115 Orthanc::ImageAccessor cropped; | |
116 converted_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
117 | |
118 t.Apply(buffer, cropped, interpolation, false); | |
119 } | |
120 } | |
121 | |
122 | |
123 bool RadiographyDicomLayer::GetDefaultWindowing(float& center, | |
124 float& width) const | |
125 { | |
126 if (converter_.get() != NULL && | |
127 converter_->HasDefaultWindow()) | |
128 { | |
129 center = static_cast<float>(converter_->GetDefaultWindowCenter()); | |
130 width = static_cast<float>(converter_->GetDefaultWindowWidth()); | |
131 return true; | |
132 } | |
133 else | |
134 { | |
135 return false; | |
136 } | |
137 } | |
138 | |
139 | |
140 bool RadiographyDicomLayer::GetRange(float& minValue, | |
141 float& maxValue) const | |
142 { | |
143 if (converted_.get() != NULL) | |
144 { | |
145 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
146 { | |
147 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
148 } | |
149 | |
150 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, *converted_); | |
151 return true; | |
152 } | |
153 else | |
154 { | |
155 return false; | |
156 } | |
157 } | |
158 | |
159 } |