Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Scene2D/RotateSceneTracker.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Scene2D/RotateSceneTracker.cpp@ab81ee8fce1f |
children | 85e117739eca |
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1511:9dfeee74c1e6 | 1512:244ad1e4e76a |
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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 #include "RotateSceneTracker.h" | |
22 #include "../Scene2DViewport/ViewportController.h" | |
23 | |
24 namespace OrthancStone | |
25 { | |
26 RotateSceneTracker::RotateSceneTracker(boost::shared_ptr<IViewport> viewport, | |
27 const PointerEvent& event) | |
28 : OneGesturePointerTracker(viewport) | |
29 , click_(event.GetMainPosition()) | |
30 , aligner_(viewport, click_) | |
31 , isFirst_(true) | |
32 { | |
33 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
34 originalSceneToCanvas_ = lock->GetController().GetSceneToCanvasTransform(); | |
35 | |
36 } | |
37 | |
38 void RotateSceneTracker::PointerMove(const PointerEvent& event) | |
39 { | |
40 ScenePoint2D p = event.GetMainPosition(); | |
41 double dx = p.GetX() - click_.GetX(); | |
42 double dy = p.GetY() - click_.GetY(); | |
43 | |
44 if (std::abs(dx) > 5.0 || | |
45 std::abs(dy) > 5.0) | |
46 { | |
47 double a = atan2(dy, dx); | |
48 | |
49 if (isFirst_) | |
50 { | |
51 referenceAngle_ = a; | |
52 isFirst_ = false; | |
53 } | |
54 | |
55 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
56 | |
57 lock->GetController().SetSceneToCanvasTransform( | |
58 AffineTransform2D::Combine( | |
59 AffineTransform2D::CreateRotation(a - referenceAngle_), | |
60 originalSceneToCanvas_)); | |
61 aligner_.Apply(); | |
62 lock->Invalidate(); | |
63 } | |
64 } | |
65 | |
66 void RotateSceneTracker::Cancel() | |
67 { | |
68 // See remark above | |
69 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); | |
70 lock->GetController().SetSceneToCanvasTransform(originalSceneToCanvas_); | |
71 lock->Invalidate(); | |
72 } | |
73 } |