Mercurial > hg > orthanc

annotate Core/DicomParsing/Internals/DicomImageDecoder.h @ 3349:ef18ea68a362

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author Alain Mazy <alain@mazy.be>
date Thu, 18 Apr 2019 15:52:56 +0200
parents 4e43e67f8ecf
children 94f4a18a79cc
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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) 2017-2019 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 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 "../ParsedDicomFile.h"
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37
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38 #include <memory>
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39
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40 #if !defined(ORTHANC_ENABLE_JPEG)
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41 # error The macro ORTHANC_ENABLE_JPEG must be defined
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42 #endif
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43
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44 #if !defined(ORTHANC_ENABLE_PNG)
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45 # error The macro ORTHANC_ENABLE_PNG must be defined
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46 #endif
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47
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48 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG)
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49 # error The macro ORTHANC_ENABLE_DCMTK_JPEG must be defined
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50 #endif
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51
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52 #if !defined(ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS)
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53 # error The macro ORTHANC_ENABLE_DCMTK_JPEG_LOSSLESS must be defined
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54 #endif
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55
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56
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57 class DcmDataset;
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58 class DcmCodec;
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59 class DcmCodecParameter;
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60 class DcmRepresentationParameter;
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61
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62 namespace Orthanc
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63 {
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64 class DicomImageDecoder : public boost::noncopyable
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65 {
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66 private:
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67 class ImageSource;
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68
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69 DicomImageDecoder() // This is a fully abstract class, no constructor
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70 {
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71 }
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72
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73 static ImageAccessor* CreateImage(DcmDataset& dataset,
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74 bool ignorePhotometricInterpretation);
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75
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76 static ImageAccessor* DecodeUncompressedImage(DcmDataset& dataset,
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77 unsigned int frame);
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78
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79 static ImageAccessor* ApplyCodec(const DcmCodec& codec,
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80 const DcmCodecParameter& parameters,
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81 const DcmRepresentationParameter& representationParameter,
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82 DcmDataset& dataset,
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83 unsigned int frame);
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84
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85 static bool TruncateDecodedImage(std::auto_ptr<ImageAccessor>& image,
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86 PixelFormat format,
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87 bool allowColorConversion);
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88
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89 static bool PreviewDecodedImage(std::auto_ptr<ImageAccessor>& image);
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91 static void ApplyExtractionMode(std::auto_ptr<ImageAccessor>& image,
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92 ImageExtractionMode mode,
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93 bool invert);
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95 public:
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96 static bool IsPsmctRle1(DcmDataset& dataset);
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98 static bool DecodePsmctRle1(std::string& output,
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99 DcmDataset& dataset);
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100
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101 static ImageAccessor *Decode(ParsedDicomFile& dicom,
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102 unsigned int frame);
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103
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104 static void ExtractPamImage(std::string& result,
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105 std::auto_ptr<ImageAccessor>& image,
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106 ImageExtractionMode mode,
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107 bool invert);
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108
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109 #if ORTHANC_ENABLE_PNG == 1
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110 static void ExtractPngImage(std::string& result,
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111 std::auto_ptr<ImageAccessor>& image,
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112 ImageExtractionMode mode,
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113 bool invert);
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114 #endif
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115
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116 #if ORTHANC_ENABLE_JPEG == 1
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117 static void ExtractJpegImage(std::string& result,
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118 std::auto_ptr<ImageAccessor>& image,
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119 ImageExtractionMode mode,
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120 bool invert,
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121 uint8_t quality);
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122 #endif
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123 };
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124 }