annotate OrthancServer/Internals/DicomImageDecoder.h @ 2244:a3a65de1840f

shared copyright with osimis
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 04 Jan 2017 12:09:40 +0100
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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 Osimis, 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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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_JPEG_LOSSLESS)
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45 # error The macro ORTHANC_ENABLE_JPEG_LOSSLESS must be defined
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46 #endif
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49 class DcmDataset;
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50 class DcmCodec;
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51 class DcmCodecParameter;
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52
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53 namespace Orthanc
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54 {
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55 class DicomImageDecoder : public boost::noncopyable
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56 {
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57 private:
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58 class ImageSource;
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59
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60 DicomImageDecoder() // This is a fully abstract class, no constructor
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61 {
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62 }
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63
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64 static ImageAccessor* CreateImage(DcmDataset& dataset,
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65 bool ignorePhotometricInterpretation);
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66
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67 static ImageAccessor* DecodeUncompressedImage(DcmDataset& dataset,
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68 unsigned int frame);
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69
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70 static ImageAccessor* ApplyCodec(const DcmCodec& codec,
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71 const DcmCodecParameter& parameters,
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72 DcmDataset& dataset,
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73 unsigned int frame);
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74
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75 static bool TruncateDecodedImage(std::auto_ptr<ImageAccessor>& image,
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76 PixelFormat format,
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77 bool allowColorConversion);
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78
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79 static bool PreviewDecodedImage(std::auto_ptr<ImageAccessor>& image);
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81 static void ApplyExtractionMode(std::auto_ptr<ImageAccessor>& image,
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82 ImageExtractionMode mode);
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83
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84 public:
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85 static bool IsPsmctRle1(DcmDataset& dataset);
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87 static bool DecodePsmctRle1(std::string& output,
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88 DcmDataset& dataset);
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90 static ImageAccessor *Decode(ParsedDicomFile& dicom,
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91 unsigned int frame);
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93 static void ExtractPngImage(std::string& result,
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94 std::auto_ptr<ImageAccessor>& image,
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95 ImageExtractionMode mode);
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97 static void ExtractJpegImage(std::string& result,
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98 std::auto_ptr<ImageAccessor>& image,
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99 ImageExtractionMode mode,
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100 uint8_t quality);
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101 };
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102 }