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comparison OrthancStone/Sources/Scene2D/MacroSceneLayer.h @ 1609:5f5c549499ff

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new class MacroSceneLayer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 29 Oct 2020 17:01:29 +0100
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children b7630b1a0253
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1608:646e581e115b 1609:5f5c549499ff
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 Lesser 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 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this program. If not, see
19 * <http://www.gnu.org/licenses/>.
20 **/
21
22
23 #pragma once
24
25 #include "ISceneLayer.h"
26
27 #include <Compatibility.h> // For ORTHANC_OVERRIDE
28
29 #include <vector>
30
31 namespace OrthancStone
32 {
33 /**
34 * A "macro layer" is a group of sublayers that are handled as a
35 * whole.
36 **/
37 class MacroSceneLayer : public ISceneLayer
38 {
39 private:
40 std::vector<ISceneLayer*> layers_;
41 uint64_t revision_;
42
43 protected:
44 void BumpRevision()
45 {
46 // this is *not* thread-safe!!! => (SJO) no problem, Stone assumes mono-threading
47 revision_++;
48 }
49
50 public:
51 MacroSceneLayer() :
52 revision_(0)
53 {
54 }
55
56 virtual ~MacroSceneLayer()
57 {
58 Clear();
59 }
60
61 void Clear();
62
63 void Reserve(size_t size)
64 {
65 layers_.reserve(size);
66 }
67
68 void AddLayer(ISceneLayer* layer); // takes ownership
69
70 size_t GetSize() const
71 {
72 return layers_.size();
73 }
74
75 virtual ISceneLayer* Clone() const ORTHANC_OVERRIDE;
76
77 virtual Type GetType() const ORTHANC_OVERRIDE
78 {
79 return Type_Macro;
80 }
81
82 virtual bool GetBoundingBox(Extent2D& target) const ORTHANC_OVERRIDE;
83
84 virtual uint64_t GetRevision() const ORTHANC_OVERRIDE
85 {
86 return revision_;
87 }
88 };
89 }