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annotate Framework/Layers/ILayerSource.h @ 77:f5f54ed8d307 wasm

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refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 24 May 2017 21:13:29 +0200
parents 298f375dcb68
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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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22 #pragma once
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24 #include "ILayerRenderer.h"
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25 #include "../Toolbox/Slice.h"
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27 namespace OrthancStone
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28 {
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29 class ILayerSource : public boost::noncopyable
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30 {
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31 public:
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32 class IObserver : public boost::noncopyable
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33 {
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34 public:
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35 virtual ~IObserver()
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36 {
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37 }
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38
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39 // Triggered as soon as the source has enough information to
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40 // answer to "GetExtent()"
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41 virtual void NotifyGeometryReady(ILayerSource& source) = 0;
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42
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43 virtual void NotifyGeometryError(ILayerSource& source) = 0;
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45 // Triggered if the extent or the content of the volume has changed
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46 virtual void NotifySourceChange(ILayerSource& source) = 0;
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47
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48 // Triggered if the content of some slice in the source volume has changed
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49 virtual void NotifySliceChange(ILayerSource& source,
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50 const Slice& slice) = 0;
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52 // The layer must be deleted by the observer. "layer" will never
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53 // be "NULL", otherwise "NotifyLayerError()" would have been
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54 // called.
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55 virtual void NotifyLayerReady(ILayerRenderer *layer,
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56 ILayerSource& source,
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57 const Slice& slice) = 0;
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59 virtual void NotifyLayerError(ILayerSource& source,
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60 const SliceGeometry& slice) = 0;
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61 };
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63 virtual ~ILayerSource()
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64 {
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65 }
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67 virtual void SetObserver(IObserver& observer) = 0;
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69 virtual bool GetExtent(double& x1,
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70 double& y1,
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71 double& x2,
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72 double& y2,
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73 const SliceGeometry& viewportSlice) = 0;
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75 virtual void ScheduleLayerCreation(const SliceGeometry& viewportSlice) = 0;
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77 virtual void Start() = 0;
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78 };
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79 }