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comparison OrthancStone/Sources/Viewport/ViewportLocker.cpp @ 1973:596f4752fa42

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added ViewportLocker
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 28 Oct 2022 16:23:18 +0200
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children b31e494e34c5
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1972:9c0adcc8feec 1973:596f4752fa42
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
7 *
8 * This program is free software: you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation, either version 3 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
21 **/
22
23
24 #include "ViewportLocker.h"
25
26 #include <OrthancException.h>
27
28 namespace OrthancStone
29 {
30 IViewport::ILock& ViewportLocker::GetLock() const
31 {
32 if (lock2_.get() == NULL)
33 {
34 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
35 }
36 else
37 {
38 return *lock2_;
39 }
40 }
41
42
43 ViewportLocker::ViewportLocker(boost::weak_ptr<IViewport> viewport)
44 {
45 lock1_ = viewport.lock();
46 if (lock1_)
47 {
48 lock2_.reset(lock1_->Lock());
49 }
50 }
51 }