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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 *
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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 General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "VolumeImageSimplePolicy.h"
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34
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35 #include "../Orthanc/Core/Images/ImageProcessing.h"
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36
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37 namespace OrthancStone
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38 {
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39 void VolumeImageSimplePolicy::InitializeInternal(ImageBuffer3D& buffer,
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40 ISeriesLoader& loader)
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41 {
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42 boost::mutex::scoped_lock lock(mutex_);
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43
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44 const size_t depth = loader.GetGeometry().GetSliceCount();
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45 pendingSlices_.clear();
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46
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47 for (size_t i = 0; i < depth; i++)
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48 {
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49 pendingSlices_.insert(i);
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50 }
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51
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52 doneSlices_.clear();
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53 doneSlices_.resize(depth, false);
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54 }
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55
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56
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57 bool VolumeImageSimplePolicy::DownloadStepInternal(bool& complete,
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58 ImageBuffer3D& buffer,
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59 ISeriesLoader& loader)
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60 {
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61 size_t slice;
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62
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63 {
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64 boost::mutex::scoped_lock lock(mutex_);
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65
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66 if (pendingSlices_.empty())
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67 {
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68 return true;
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69 }
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70 else
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71 {
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72 slice = *pendingSlices_.begin();
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73 pendingSlices_.erase(slice);
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74 }
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75 }
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76
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77 std::auto_ptr<Orthanc::ImageAccessor> frame;
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78
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79 try
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80 {
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81 frame.reset(loader.DownloadFrame(slice));
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82 }
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83 catch (Orthanc::OrthancException&)
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84 {
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85 // The Orthanc server cannot decode this instance
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86 return false;
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87 }
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88
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89 if (frame.get() != NULL)
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90 {
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91 {
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92 ImageBuffer3D::SliceWriter writer(buffer, VolumeProjection_Axial, slice);
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93 Orthanc::ImageProcessing::Convert(writer.GetAccessor(), *frame);
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94 }
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95
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96 {
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97 boost::mutex::scoped_lock lock(mutex_);
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98
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99 doneSlices_[slice] = true;
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100
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101 if (pendingSlices_.empty())
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102 {
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103 complete = true;
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104 return true;
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105 }
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106 }
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107 }
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108
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109 return false;
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110 }
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111
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112
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113 bool VolumeImageSimplePolicy::IsFullQualityAxial(size_t slice)
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114 {
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115 boost::mutex::scoped_lock lock(mutex_);
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116 return doneSlices_[slice];
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117 }
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118 }
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