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comparison Framework/Scene2D/NullLayer.h @ 1324:4d8d642f7036 broker

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Added a NullLayer scene layer type that allows "booking" a scene depth entry.
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 24 Mar 2020 16:24:26 +0100
parents
children 30deba7bc8e2
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1323:c0af7657d398 1324:4d8d642f7036
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21 #pragma once
22
23 #include "ISceneLayer.h"
24
25 #include <Core/Enumerations.h>
26
27 #include <stdint.h>
28
29 /**
30 This layer can be used when a z-index needs to be booked inside a Scene2D.
31
32 It can later be replaced by the actual layer.
33 */
34 namespace OrthancStone
35 {
36 class NullLayer : public ISceneLayer
37 {
38 public:
39 NullLayer() {}
40
41 virtual ISceneLayer* Clone() const ORTHANC_OVERRIDE
42 {
43 return new NullLayer();
44 }
45
46 virtual Type GetType() const ORTHANC_OVERRIDE
47 {
48 return Type_NullLayer;
49 }
50
51 virtual bool GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE
52 {
53 target = Extent2D();
54 return false;
55 }
56
57 virtual uint64_t GetRevision() const ORTHANC_OVERRIDE
58 {
59 return 0;
60 }
61 };
62 }