Mercurial > hg > orthanc-stone
annotate Framework/Radiography/RadiographyDicomLayer.cpp @ 432:4eb96c6b4e96 am-vsol-upgrade
improved handling of MONOCHROME1, background and invertion
| author | am@osimis.io |
|---|---|
| date | Mon, 03 Dec 2018 13:53:29 +0100 |
| parents | b85f635f1eb5 |
| children | 77e0eb83ff63 |
| rev | line source |
|---|---|
| 430 | 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 OrthancPlugins::DicomDatasetReader reader(dataset); | |
| 67 | |
| 68 unsigned int width, height; | |
| 69 if (!reader.GetUnsignedIntegerValue(width, ConvertTag(Orthanc::DICOM_TAG_COLUMNS)) || | |
| 70 !reader.GetUnsignedIntegerValue(height, ConvertTag(Orthanc::DICOM_TAG_ROWS))) | |
| 71 { | |
| 72 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 73 } | |
| 74 else | |
| 75 { | |
| 76 SetSize(width, height); | |
| 77 } | |
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78 |
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79 if (dataset.GetStringValue(tmp, ConvertTag(Orthanc::DICOM_TAG_PHOTOMETRIC_INTERPRETATION))) |
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80 { |
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81 if (tmp == "MONOCHROME1") |
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82 { |
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83 SetPreferredPhotomotricDisplayMode(PhotometricDisplayMode_Monochrome1); |
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84 } |
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85 else if (tmp == "MONOCHROME2") |
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86 { |
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87 SetPreferredPhotomotricDisplayMode(PhotometricDisplayMode_Monochrome2); |
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88 } |
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89 } |
| 430 | 90 } |
| 91 | |
| 92 void RadiographyDicomLayer::SetSourceImage(Orthanc::ImageAccessor* image) // Takes ownership | |
| 93 { | |
| 94 std::auto_ptr<Orthanc::ImageAccessor> raii(image); | |
| 95 | |
| 96 if (image == NULL) | |
| 97 { | |
| 98 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 99 } | |
| 100 | |
| 101 SetSize(image->GetWidth(), image->GetHeight()); | |
| 102 | |
| 103 source_ = raii; | |
| 104 ApplyConverter(); | |
| 105 } | |
| 106 | |
| 107 void RadiographyDicomLayer::Render(Orthanc::ImageAccessor& buffer, | |
| 108 const AffineTransform2D& viewTransform, | |
| 109 ImageInterpolation interpolation) const | |
| 110 { | |
| 111 if (converted_.get() != NULL) | |
| 112 { | |
| 113 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 114 { | |
| 115 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 116 } | |
| 117 | |
| 118 unsigned int cropX, cropY, cropWidth, cropHeight; | |
| 119 GetCrop(cropX, cropY, cropWidth, cropHeight); | |
| 120 | |
| 121 AffineTransform2D t = AffineTransform2D::Combine( | |
| 122 viewTransform, GetTransform(), | |
| 123 AffineTransform2D::CreateOffset(cropX, cropY)); | |
| 124 | |
| 125 Orthanc::ImageAccessor cropped; | |
| 126 converted_->GetRegion(cropped, cropX, cropY, cropWidth, cropHeight); | |
| 127 | |
| 128 t.Apply(buffer, cropped, interpolation, false); | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 | |
| 133 bool RadiographyDicomLayer::GetDefaultWindowing(float& center, | |
| 134 float& width) const | |
| 135 { | |
| 136 if (converter_.get() != NULL && | |
| 137 converter_->HasDefaultWindow()) | |
| 138 { | |
| 139 center = static_cast<float>(converter_->GetDefaultWindowCenter()); | |
| 140 width = static_cast<float>(converter_->GetDefaultWindowWidth()); | |
| 141 return true; | |
| 142 } | |
| 143 else | |
| 144 { | |
| 145 return false; | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 | |
| 150 bool RadiographyDicomLayer::GetRange(float& minValue, | |
| 151 float& maxValue) const | |
| 152 { | |
| 153 if (converted_.get() != NULL) | |
| 154 { | |
| 155 if (converted_->GetFormat() != Orthanc::PixelFormat_Float32) | |
| 156 { | |
| 157 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 158 } | |
| 159 | |
| 160 Orthanc::ImageProcessing::GetMinMaxFloatValue(minValue, maxValue, *converted_); | |
| 161 return true; | |
| 162 } | |
| 163 else | |
| 164 { | |
| 165 return false; | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 } |