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annotate OrthancStone/Sources/Scene2D/NullLayer.h @ 1870:3889ae96d2e9

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added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:04:09 +0100
parents 9ac2a65d4172
children 7053b8a0aaec
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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) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23 #pragma once
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25 #include "ISceneLayer.h"
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27 #include <Enumerations.h>
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28
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29 #include <stdint.h>
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30
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31 /**
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32 This layer can be used when a z-index needs to be booked inside a Scene2D.
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33
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34 It can later be replaced by the actual layer.
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35 */
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36 namespace OrthancStone
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37 {
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38 class NullLayer : public ISceneLayer
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39 {
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40 public:
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41 NullLayer()
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42 {
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43 }
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44
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45 virtual ISceneLayer* Clone() const ORTHANC_OVERRIDE
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46 {
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47 return new NullLayer();
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48 }
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49
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50 virtual Type GetType() const ORTHANC_OVERRIDE
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51 {
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52 return Type_NullLayer;
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53 }
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54
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55 virtual void GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE
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56 {
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57 target.Clear();
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58 }
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59
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60 virtual uint64_t GetRevision() const ORTHANC_OVERRIDE
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61 {
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62 return 0;
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63 }
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64 };
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65 }