annotate Framework/Toolbox/DicomFrameConverter.h @ 593:6bf8f881fcb5

OpenGLBasicPolylineRenderer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 26 Apr 2019 13:04:56 +0200
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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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22 #pragma once
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24 #include <Plugins/Samples/Common/IDicomDataset.h>
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25 #include <Core/DicomFormat/DicomMap.h>
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26 #include <Core/Images/ImageAccessor.h>
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28 #include <memory>
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30 namespace OrthancStone
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31 {
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32 /**
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33 * This class is responsible for converting the pixel format of a
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34 * DICOM frame coming from Orthanc, into a pixel format that is
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35 * suitable for Stone, given the relevant DICOM tags:
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36 * - Color frames will stay in the RGB24 format.
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37 * - Grayscale frames will be converted to the Float32 format.
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38 **/
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39 class DicomFrameConverter
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40 {
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41 private:
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42 bool isSigned_;
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43 bool isColor_;
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44 bool hasRescale_;
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45 double rescaleIntercept_;
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46 double rescaleSlope_;
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47 bool hasDefaultWindow_;
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48 double defaultWindowCenter_;
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49 double defaultWindowWidth_;
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50
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51 Orthanc::PhotometricInterpretation photometric_;
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52 Orthanc::PixelFormat expectedPixelFormat_;
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54 void SetDefaultParameters();
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55
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56 public:
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57 DicomFrameConverter()
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58 {
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59 SetDefaultParameters();
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60 }
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61
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62 ~DicomFrameConverter()
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63 {
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64 // TODO: check whether this dtor is called or not
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65 // An MSVC warning explains that declaring an
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66 // std::auto_ptr with a forward-declared type
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67 // prevents its dtor from being called. Does not
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68 // seem an issue here (only POD types inside), but
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69 // definitely something to keep an eye on.
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70 (void)0;
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71 }
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72
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73 Orthanc::PixelFormat GetExpectedPixelFormat() const
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74 {
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75 return expectedPixelFormat_;
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76 }
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78 Orthanc::PhotometricInterpretation GetPhotometricInterpretation() const
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79 {
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80 return photometric_;
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81 }
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83 void ReadParameters(const Orthanc::DicomMap& dicom);
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85 void ReadParameters(const OrthancPlugins::IDicomDataset& dicom);
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86
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87 bool HasDefaultWindow() const
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88 {
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89 return hasDefaultWindow_;
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90 }
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91
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92 double GetDefaultWindowCenter() const
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93 {
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94 return defaultWindowCenter_;
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95 }
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96
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97 double GetDefaultWindowWidth() const
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98 {
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99 return defaultWindowWidth_;
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100 }
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101
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102 double GetRescaleIntercept() const
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103 {
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104 return rescaleIntercept_;
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105 }
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106
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107 double GetRescaleSlope() const
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108 {
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109 return rescaleSlope_;
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110 }
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111
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112 void ConvertFrameInplace(std::auto_ptr<Orthanc::ImageAccessor>& source) const;
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113
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114 Orthanc::ImageAccessor* ConvertFrame(const Orthanc::ImageAccessor& source) const;
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115
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116 void ApplyRescale(Orthanc::ImageAccessor& image,
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117 bool useDouble) const;
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118
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119 double Apply(double x) const;
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120 };
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121 }