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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU Affero General Public License
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8 * as published by the Free Software Foundation, either version 3 of
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9 * the License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #pragma once
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22
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23 #include "../Enumerations.h"
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24 #include "../Orthanc/Core/ChunkedBuffer.h"
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25
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26 #include <boost/noncopyable.hpp>
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27 #include <memory>
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28 #include <stdint.h>
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29
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30 #include <dcmtk/dcmdata/dcpixseq.h>
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31 #include <dcmtk/dcmdata/dcdatset.h>
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32 #include <dcmtk/dcmdata/dcfilefo.h>
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33
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34 namespace OrthancWSI
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35 {
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36 class MultiframeDicomWriter : public boost::noncopyable
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37 {
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38 private:
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39 ImageCompression compression_;
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40 E_TransferSyntax transferSyntax_;
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41 DcmDataset sharedTags_;
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42 size_t writtenSize_;
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43 size_t framesCount_;
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44 size_t uncompressedFrameSize_;
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45 unsigned int width_;
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46 unsigned int height_;
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47
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48 Orthanc::ChunkedBuffer uncompressedPixelData_;
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49 std::auto_ptr<DcmSequenceOfItems> perFrameFunctionalGroups_;
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50 std::auto_ptr<DcmPixelSequence> compressedPixelSequence_;
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51 DcmPixelItem* offsetTable_;
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52 std::auto_ptr<DcmOffsetList> offsetList_;
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53
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54 void ResetImage();
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55
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56 void InjectUncompressedPixelData(DcmFileFormat& dicom);
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57
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58 public:
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59 MultiframeDicomWriter(const DcmDataset& dataset,
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60 ImageCompression compression,
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61 Orthanc::PixelFormat pixelFormat,
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62 unsigned int width,
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63 unsigned int height,
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64 unsigned int tileWidth,
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65 unsigned int tileHeight);
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66
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67 void AddFrame(const std::string& frame,
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68 DcmItem* functionalGroup); // This takes the ownership
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69
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70 void Flush(std::string& target,
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71 unsigned int instanceNumber);
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72
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73 unsigned int GetFramesCount() const
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74 {
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75 return framesCount_;
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76 }
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77
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78 size_t GetSize() const
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79 {
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80 return writtenSize_;
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81 }
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82
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83 unsigned int GetTotalWidth() const
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84 {
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85 return width_;
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86 }
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87
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88 unsigned int GetTotalHeight() const
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89 {
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90 return height_;
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91 }
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92 };
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93 }
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