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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) 2017-2019 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 #pragma once
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23
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24 #include "DicomVolumeImage.h"
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25 #include "IVolumeSlicer.h"
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26
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27 #include <boost/shared_ptr.hpp>
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28
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29 namespace OrthancStone
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30 {
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31 /**
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32 Implements the IVolumeSlicer on Dicom volume data when the cutting plane
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33 that is supplied to the slicer is either axial, sagittal or coronal.
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34 Arbitrary planes are *not* supported
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35 */
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36 class DicomVolumeImageMPRSlicer : public IVolumeSlicer
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37 {
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38 public:
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39 class Slice : public IExtractedSlice
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40 {
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41 private:
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42 const DicomVolumeImage& volume_;
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43 bool valid_;
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44 VolumeProjection projection_;
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45 unsigned int sliceIndex_;
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46
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47 void CheckValid() const;
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48
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49 protected:
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50 // Can be overloaded in subclasses
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51 virtual uint64_t GetRevisionInternal(VolumeProjection projection,
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52 unsigned int sliceIndex) const
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53 {
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54 return volume_.GetRevision();
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55 }
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56
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57 public:
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58 /**
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59 Represents a slice of a volume image that is parallel to the
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60 coordinate system axis.
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61 The constructor initializes the type of projection (axial, sagittal or
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62 coronal) and the corresponding slice index, from the cutting plane.
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63 */
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64 Slice(const DicomVolumeImage& volume,
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65 const CoordinateSystem3D& cuttingPlane);
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66
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67 VolumeProjection GetProjection() const;
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68
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69 unsigned int GetSliceIndex() const;
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70
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71 virtual bool IsValid()
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72 {
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73 return valid_;
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74 }
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75
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76 virtual uint64_t GetRevision();
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77
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78 virtual ISceneLayer* CreateSceneLayer(const ILayerStyleConfigurator* configurator,
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79 const CoordinateSystem3D& cuttingPlane);
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80 };
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81
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82 private:
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83 boost::shared_ptr<DicomVolumeImage> volume_;
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84
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85 public:
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86 DicomVolumeImageMPRSlicer(const boost::shared_ptr<DicomVolumeImage>& volume) :
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87 volume_(volume)
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88 {
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89 }
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90
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91 virtual IExtractedSlice* ExtractSlice(const CoordinateSystem3D& cuttingPlane) ORTHANC_OVERRIDE;
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92 };
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93 }
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