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comparison Framework/Scene2D/PointerEvent.cpp @ 596:b716763571ad

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IPointerTracker
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 26 Apr 2019 17:05:14 +0200
parents
children 7efa2543699d
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595:6e471e6cf09b 596:b716763571ad
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2019 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
22 #include "PointerEvent.h"
23
24 #include <Core/OrthancException.h>
25
26 namespace OrthancStone
27 {
28 PointerEvent::PointerEvent() :
29 hasAltModifier_(false),
30 hasControlModifier_(false),
31 hasShiftModifier_(false)
32 {
33 }
34
35
36 ScenePoint2D PointerEvent::GetMainPosition() const
37 {
38 if (positions_.empty())
39 {
40 return ScenePoint2D(0, 0);
41 }
42 else
43 {
44 return positions_[0];
45 }
46 }
47
48
49 // Add the center of the pixel
50 void PointerEvent::AddIntegerPosition(int x,
51 int y)
52 {
53 AddPosition(static_cast<double>(x) + 0.5,
54 static_cast<double>(y) + 0.5);
55 }
56
57
58 ScenePoint2D PointerEvent::GetPosition(size_t index) const
59 {
60 if (index < positions_.size())
61 {
62 return positions_[index];
63 }
64 else
65 {
66 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
67 }
68 }
69 }