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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 * 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 Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #include "IWebService.h"
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25 #include "SlicesSorter.h"
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26
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27 #include <boost/shared_ptr.hpp>
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28
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29 namespace OrthancStone
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30 {
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31 class OrthancSlicesLoader : public boost::noncopyable
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32 {
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33 public:
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34 class ICallback : public boost::noncopyable
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35 {
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36 public:
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37 virtual ~ICallback()
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38 {
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39 }
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40
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41 virtual void NotifyGeometryReady(const OrthancSlicesLoader& loader) = 0;
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42
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43 virtual void NotifyGeometryError(const OrthancSlicesLoader& loader) = 0;
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44
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45 virtual void NotifySliceImageReady(const OrthancSlicesLoader& loader,
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46 unsigned int sliceIndex,
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47 const Slice& slice,
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48 Orthanc::ImageAccessor* image) = 0;
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49
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50 virtual void NotifySliceImageError(const OrthancSlicesLoader& loader,
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51 unsigned int sliceIndex,
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52 const Slice& slice) = 0;
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53 };
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54
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55 private:
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56 enum State
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57 {
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58 State_Error,
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59 State_Initialization,
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60 State_LoadingGeometry,
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61 State_GeometryReady
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62 };
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63
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64 enum Mode
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65 {
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66 Mode_SeriesGeometry,
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67 Mode_InstanceGeometry,
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68 Mode_LoadImage
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69 };
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70
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71 class Operation;
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72 class WebCallback;
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73
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74 boost::shared_ptr<WebCallback> webCallback_; // This is a PImpl pattern
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75
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76 ICallback& userCallback_;
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77 IWebService& orthanc_;
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78 State state_;
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79 SlicesSorter slices_;
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80
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81
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82 void ParseSeriesGeometry(const void* answer,
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83 size_t size);
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84
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85 void ParseInstanceGeometry(const std::string& instanceId,
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86 unsigned int frame,
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87 const void* answer,
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88 size_t size);
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89
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90 void ParseSliceImage(const Operation& operation,
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91 const void* answer,
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92 size_t size);
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93
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94
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95 public:
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96 OrthancSlicesLoader(ICallback& callback,
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97 IWebService& orthanc);
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98
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99 void ScheduleLoadSeries(const std::string& seriesId);
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100
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101 void ScheduleLoadInstance(const std::string& instanceId,
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102 unsigned int frame);
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103
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104 bool IsGeometryReady() const;
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105
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106 size_t GetSliceCount() const;
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107
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108 const Slice& GetSlice(size_t index) const;
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109
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110 bool LookupSlice(size_t& index,
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111 const SliceGeometry& plane) const;
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112
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113 void ScheduleLoadSliceImage(size_t index);
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114 };
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115 }
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