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annotate Framework/Layers/ILayerSource.h @ 299:3897f9f28cfa am-callable-and-promise

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backup work in progress: updated messaging framework with ICallable
author am@osimis.io
date Fri, 14 Sep 2018 16:44:01 +0200
parents 89d02de83c03
children b4abaeb783b1
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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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e2fe9352f240 upgrade to year 2018
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5 * Copyright (C) 2017-2018 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 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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22 #pragma once
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24 #include "ILayerRenderer.h"
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25 #include "../Toolbox/Slice.h"
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26 #include "../../Framework/Messages/IObservable.h"
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27 #include "../../Framework/Messages/IMessage.h"
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29 namespace OrthancStone
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30 {
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31 class ILayerSource : public IObservable
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32 {
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33 public:
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35 typedef NoPayloadMessage<MessageType_LayerSource_GeometryReady> GeometryReadyMessage;
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36 typedef NoPayloadMessage<MessageType_LayerSource_GeometryError> GeometryErrorMessage;
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37 typedef NoPayloadMessage<MessageType_LayerSource_ContentChanged> ContentChangedMessage;
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38
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39 struct SliceChangedMessage : public IMessage
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40 {
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41 const Slice& slice_;
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42 SliceChangedMessage(const Slice& slice)
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43 : IMessage(MessageType_LayerSource_SliceChanged),
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44 slice_(slice)
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45 {
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46 }
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47 };
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49 struct LayerReadyMessage : public IMessage
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50 {
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51 std::auto_ptr<ILayerRenderer>& layer_;
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52 const CoordinateSystem3D& slice_;
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53 bool isError_;
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55 LayerReadyMessage(std::auto_ptr<ILayerRenderer>& layer,
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56 const CoordinateSystem3D& slice,
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57 bool isError) // TODO Shouldn't this be separate as NotifyLayerError?
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58 : IMessage(MessageType_LayerSource_LayerReady),
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59 layer_(layer),
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60 slice_(slice),
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61 isError_(isError)
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62 {
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63 }
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64 };
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66 // class IObserver : public boost::noncopyable
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67 // {
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68 // public:
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69 // virtual ~IObserver()
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70 // {
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71 // }
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73 // // Triggered as soon as the source has enough information to
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74 // // answer to "GetExtent()"
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75 // virtual void NotifyGeometryReady(const ILayerSource& source) = 0;
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77 // virtual void NotifyGeometryError(const ILayerSource& source) = 0;
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79 // // Triggered if the content of several slices in the source
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80 // // volume has changed
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81 // virtual void NotifyContentChange(const ILayerSource& source) = 0;
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83 // // Triggered if the content of some individual slice in the
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84 // // source volume has changed
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85 // virtual void NotifySliceChange(const ILayerSource& source,
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86 // const Slice& slice) = 0;
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88 // // The layer must be deleted by the observer that releases the
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89 // // std::auto_ptr
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90 // virtual void NotifyLayerReady(std::auto_ptr<ILayerRenderer>& layer,
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91 // const ILayerSource& source,
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92 // const CoordinateSystem3D& slice,
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93 // bool isError) = 0; // TODO Shouldn't this be separate as NotifyLayerError?
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94 // };
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96 ILayerSource(MessageBroker& broker)
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97 : IObservable(broker)
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98 {}
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99
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100 virtual ~ILayerSource()
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101 {
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102 }
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104 // virtual void Register(IObserver& observer) = 0;
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106 virtual bool GetExtent(std::vector<Vector>& points,
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107 const CoordinateSystem3D& viewportSlice) = 0;
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108
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109 virtual void ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice) = 0;
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110 };
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111 }