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annotate Core/DicomParsing/Internals/DicomImageDecoder.h @ 3766:711d2ec2db34 transcoding

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 17 Mar 2020 13:11:44 +0100
parents accf1b60b108
children
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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) 2017-2020 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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 #include "../../Compatibility.h"
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37 #include "../../Images/ImageAccessor.h"
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38
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39 #include <memory>
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40
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41 #if !defined(ORTHANC_ENABLE_JPEG)
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42 # error The macro ORTHANC_ENABLE_JPEG must be defined
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43 #endif
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44
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45 #if !defined(ORTHANC_ENABLE_PNG)
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46 # error The macro ORTHANC_ENABLE_PNG must be defined
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47 #endif
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48
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49 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG)
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50 # error The macro ORTHANC_ENABLE_DCMTK_JPEG must be defined
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51 #endif
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52
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53 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS)
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54 # error The macro ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS must be defined
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55 #endif
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56
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57
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58 class DcmDataset;
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59 class DcmCodec;
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60 class DcmCodecParameter;
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61 class DcmRepresentationParameter;
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62
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63 namespace Orthanc
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64 {
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65 class ParsedDicomFile;
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66
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67 class DicomImageDecoder : public boost::noncopyable
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68 {
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69 private:
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70 class ImageSource;
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71
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72 DicomImageDecoder() // This is a fully abstract class, no constructor
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73 {
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74 }
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75
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76 static ImageAccessor* CreateImage(DcmDataset& dataset,
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77 bool ignorePhotometricInterpretation);
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78
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79 static ImageAccessor* DecodeUncompressedImage(DcmDataset& dataset,
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80 unsigned int frame);
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81
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82 static ImageAccessor* ApplyCodec(const DcmCodec& codec,
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83 const DcmCodecParameter& parameters,
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84 const DcmRepresentationParameter& representationParameter,
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85 DcmDataset& dataset,
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86 unsigned int frame);
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87
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88 static bool TruncateDecodedImage(std::unique_ptr<ImageAccessor>& image,
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89 PixelFormat format,
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90 bool allowColorConversion);
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91
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92 static bool PreviewDecodedImage(std::unique_ptr<ImageAccessor>& image);
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93
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94 static void ApplyExtractionMode(std::unique_ptr<ImageAccessor>& image,
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95 ImageExtractionMode mode,
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96 bool invert);
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97
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98 public:
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99 static bool IsPsmctRle1(DcmDataset& dataset);
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101 static bool DecodePsmctRle1(std::string& output,
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102 DcmDataset& dataset);
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103
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104 static ImageAccessor *Decode(ParsedDicomFile& dicom,
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105 unsigned int frame);
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106
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107 static ImageAccessor *Decode(DcmDataset& dataset,
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108 unsigned int frame);
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109
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110 static void ExtractPamImage(std::string& result,
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111 std::unique_ptr<ImageAccessor>& image,
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112 ImageExtractionMode mode,
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113 bool invert);
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114
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115 #if ORTHANC_ENABLE_PNG == 1
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116 static void ExtractPngImage(std::string& result,
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117 std::unique_ptr<ImageAccessor>& image,
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118 ImageExtractionMode mode,
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119 bool invert);
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120 #endif
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121
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122 #if ORTHANC_ENABLE_JPEG == 1
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123 static void ExtractJpegImage(std::string& result,
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124 std::unique_ptr<ImageAccessor>& image,
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125 ImageExtractionMode mode,
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126 bool invert,
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127 uint8_t quality);
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128 #endif
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129 };
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130 }